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Diffstat (limited to 'sim/arm')
36 files changed, 0 insertions, 21219 deletions
diff --git a/sim/arm/COPYING b/sim/arm/COPYING deleted file mode 100644 index 60549be514a..00000000000 --- a/sim/arm/COPYING +++ /dev/null @@ -1,340 +0,0 @@ - GNU GENERAL PUBLIC LICENSE - Version 2, June 1991 - - Copyright (C) 1989, 1991 Free Software Foundation, Inc. - 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - Everyone is permitted to copy and distribute verbatim copies - of this license document, but changing it is not allowed. - - Preamble - - The licenses for most software are designed to take away your -freedom to share and change it. By contrast, the GNU General Public -License is intended to guarantee your freedom to share and change free -software--to make sure the software is free for all its users. This -General Public License applies to most of the Free Software -Foundation's software and to any other program whose authors commit to -using it. (Some other Free Software Foundation software is covered by -the GNU Library General Public License instead.) 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If this is what you want to do, use the GNU Library General -Public License instead of this License. diff --git a/sim/arm/ChangeLog b/sim/arm/ChangeLog deleted file mode 100644 index 181f6f47bd2..00000000000 --- a/sim/arm/ChangeLog +++ /dev/null @@ -1,825 +0,0 @@ -2001-05-11 Nick Clifton <nickc@cambridge.redhat.com> - - * armemu.c (ARMul_Emulate32): Fix handling of XScale LDRD and STRD - instructions with post indexed addressing modes. - -2001-05-08 Jens-Christian Lache <lache@tu-harburg.de> - - * armsupp.c (ARMul_FixCPSR): Check Mode not Bank in order to - determine rocesor mode. - -2001-04-18 matthew green <mrg@redhat.com> - - * armcopro.c (write_cp15_reg): Set CHANGEMODE if endianness changes. - (read_cp15_reg): Make non-static. - (XScale_cp15_LDC): Update for write_cp15_reg() change. - (XScale_cp15_MCR): Likewise. - (XScale_cp15_write_reg): Likewise. - (XScale_check_memacc): New function. Check for breakpoints being - activated by memory accesses. Does not support the Branch Target - Buffer. - (XScale_set_fsr_far): New function. Set FSR and FAR for XScale. - (XScale_debug_moe): New function. Set the debug Method Of Entry, - if configured. - (write_cp14_reg): Reset count counter if requested. - * armdefs.h (struct ARMul_State): New members `LastTime' and - `CP14R0_CCD' used for the timer/counters. - (ARMul_CP13_R0_FIQ, ARMul_CP13_R0_IRQ, ARMul_CP13_R8_PMUS, - ARMul_CP14_R0_ENABLE, ARMul_CP14_R0_CLKRST, ARMul_CP14_R0_CCD, - ARMul_CP14_R0_INTEN0, ARMul_CP14_R0_INTEN1, ARMul_CP14_R0_INTEN2, - ARMul_CP14_R0_FLAG0, ARMul_CP14_R0_FLAG1, ARMul_CP14_R0_FLAG2, - ARMul_CP14_R10_MOE_IB, ARMul_CP14_R10_MOE_DB, ARMul_CP14_R10_MOE_BT, - ARMul_CP15_R1_ENDIAN, ARMul_CP15_R1_ALIGN, ARMul_CP15_R5_X, - ARMul_CP15_R5_ST_ALIGN, ARMul_CP15_R5_IMPRE, ARMul_CP15_R5_MMU_EXCPT, - ARMul_CP15_DBCON_M, ARMul_CP15_DBCON_E1, ARMul_CP15_DBCON_E0): New - defines for XScale registers. - (XScale_check_memacc, XScale_set_fsr_far, XScale_debug_moe): Prototype. - (ARMul_Emulate32, ARMul_Emulate26): Clean up function definition. - (ARMul_Emulate32): Handle the clock counter and hardware instruction - breakpoints. Call XScale_set_fsr_far() for software breakpoints and - software interrupts. - (LoadMult): Call XScale_set_fsr_far() for data aborts. - (LoadSMult): Likewise. - (StoreMult): Likewise. - (StoreSMult): Likewise. - * armemu.h (write_cp15_reg): Update prototype. - * arminit.c (ARMul_NewState): Initialise CP14R0_CCD and LastTime. - (ARMul_Abort): If XScale, check for FIQ and IRQ being enabled in CP13 - register 0. - * armvirt.c (GetWord): Call XScale_check_memacc(). - (PutWord): Likewise. - -2001-03-20 Nick Clifton <nickc@redhat.com> - - * armvirt.c (ARMul_ReLoadInstr): Do not enable alignment checking - when loading unaligned thumb instructions. - -2001-03-06 Nick Clifton <nickc@redhat.com> - - * thumbemu.c (ARMul_ThumbDecode): Delete label bo_blx2. - Compute destination address of BLX(1) instruction by - taking bit 1 from PC and not from bit 0 of the offset. - -2001-02-27 Nick Clifton <nickc@redhat.com> - - * armvirt.c (GetWord): Add new parameter - check - to enable or - disable the alignment checking. - (PutWord): Add new parameter - check - to enable or disable the - alignment checking. - (ARMul_ReLoadInstr): Pass extra parameter to GetWord. - (ARMul_ReadWord): Pass extra parameter to GetWord. - (ARMul_WriteWord): Pass extra parameter to PutWord. - (ARMul_StoreHalfWord): Pass extra parameter to PutWord. - (ARMul_WriteByte): Pass extra parameter to GetWord. - (ARMul_SwapWord): Pass extra parameter to PutWord. - (ARMul_SafeReadByte): New Function: Read a byte but do not abort. - (ARMul_SafeWriteByte): New Function: Write a byte but do not abort. - - * armdefs.h: Add prototypes for ARMul_SafeReadByte and - ARMul_SafeWriteByte. - - * wrapper.c (sim_write): Use ARMul_SafeWriteByte. - (sim_read): Use ARMul_SafeReadByte. - - * armos.c (in_SWI_handler): Remove. - (SWIWrite0): Use ARMul_SafeReadByte. - (WriteCommandLineTo): Use ARMul_SafeWriteByte. - (SWIopen): Use ARMul_SafeReadByte. - (SWIread): Use ARMul_SafeWriteByte. - (SWIwrite): Use ARMul_SafeReadByte. - (ARMul_OSHandleSWI): Remove use of is_SWI_handler. - (ARMul_OSException): Remove use of is_SWI_handler. - -2001-02-16 Nick Clifton <nickc@redhat.com> - - * armemu.c: Remove Prefetch abort for breakpoints. Instead set - the state to RESUME. - -2001-02-14 Nick Clifton <nickc@redhat.com> - - * armemu.c: Add code to preserve processor mode when a prefetch - abort is signalled after processing a breakpoint. - - * wrapper.c (sim_create_inferior): Reset processor into ARM mode - for any machine type except the early ARMs. - -2001-02-13 Nick Clifton <nickc@redhat.com> - - * armos.c (in_SWI_handler): New static variable. - (ARMul_OSHandleSWI): Set in_SWI_handler whilst emulating a SWI. - (ARMul_OSException): Ignore exceptions generated whilst emulating - a SWI. - -2001-02-12 Nick Clifton <nickc@redhat.com> - - * armemu.h (NEGBRANCH): Fix defintion. - -2001-02-01 Nick Clifton <nickc@redhat.com> - - * armemu.c (LoadSMult): Update base address register after - restoring register bank. - (StoreMult): Update base address register after restoring register - bank. - -2001-01-31 Nick Clifton <nickc@redhat.com> - - * armvirt.c (PutWord): Detect installation of SWI vector. - (SWI_vector_installed): Define. - * armos.c (ARMul_OsInit): Reset SWI_vector_installed. - * armos.h (SWI_vector_installed): Declare. - * wrapper.c (SWI_vector_installed): Remove definition. - (sim_write): Remove check of SWI vector installation - -2000-12-18 Nick Clifton <nickc@redhat.com> - - * armemu.c (ARMul_Emulate26): Fix test for StoreDouble - instruction. - -2000-12-10 Nick Clifton <nickc@redhat.com> - - * armos.c (ARMul_OSHandleSWI): Add 0x91 as an FPE SWI. - -2000-12-07 Nick Clifton <nickc@redhat.com> - - * armemu.c (ARMul_Emulate26): Detect double word load and - store instructions and call emulation routines. - (Handle_Load_Double): Emulate a double word load instruction. - (Handle_Store_Double): Emulate a double word store - instruction. - -2000-12-03 Nick Clifton <nickc@redhat.com> - - * armos.c: Fix formatting. - (ARMul_OSHandleSWI): Suppress support of DEMON SWIs when in xscale - mode. - -2000-11-29 Nick Clifton <nickc@redhat.com> - - * armdefs.h (State): Add 'v5e' and 'xscale' fields. - (ARM_v5e_Prop): Define. - (ARM_XScale_Prop): Define. - - * wrapper.c (sim_create_inferior): Select processor based on - machine number. - (SWI_vector_installed): New boolean. Set to true if the SWI - vector address is written to by the executable. - - * arminit.c (ARMul_NewState): Switch default to 32 bit mode. - (ARMul_SelectProcessor): Initialise v5e and xscale signals. - (ARMul_Abort): Fix calculation of LR address. - - * armos.c (ARMul_OSHandleSWI): If a SWI vector has been installed - and a SWI is not handled by the simulator, pass the SWI off to the - vector, otherwise issue a warning message and continue. - - * armsupp.c (ARMul_CPSRAltered): Set S bit aswell. - - * thumbemu.c: Add v5 instruction simulation. - * armemu.c: Add v5, XScale and El Segundo instruction simulation. - - * armcopro.c: Add XScale co-processor emulation. - * armemu.h: Add exported XScale co-processor functions. - -2000-09-15 Nick Clifton <nickc@redhat.com> - - * armdefs.h: Rename StrongARM property to v4_ARM and add v5 ARM - property. Delete unnecessary processor names. - (ARM_Strong_Prop): Delete. - (STRONGARM): Delete. - (ARM_v4_Prop): Add. - (ARM_v5_Prop): Add - (State): Delete is_StrongARM boolean. Add is_v4 and is_v5 - booleans. - - * armemu.h (BUSUSEDINCPCS): Use is_v4 boolean. - (BUSUSEDINCPCN): Use is_v4 boolean. - - * arminit.c (ARMul_NewState): Initialise is_v4 and is_v5 fields. - (ARMul_SelectProcessor): Change second parameter from 'processor' - to 'properties'. Set is_v4 and is_v5 booleans in State. - - * armrdi.c: Remove use of ARM processor names. Replace with ARM - processor properties. - - * wrapper.c (sim_create_inferior): Choose properties passed to - ARMul_SelectProcessor based on machine number. - -2000-08-14 Nick Clifton <nickc@redhat.com> - - * armemu.c (LHPOSTDOWN): Compute write back value before - performing load in case the offset register is overwritten. - (LHPOSTUP): Ditto. - -2000-07-14 Fernando Nasser <fnasser@cygnus.com> - - * wrapper.c (sim_create_inferior): Fix typo in the previous patch. - -2000-07-14 Fernando Nasser <fnasser@cygnus.com> - - * wrapper.c (sim_create_inferior): Reset mode to ARM when creating a - new inferior. - -2000-07-04 Alexandre Oliva <aoliva@redhat.com> - - * armvirt.c (ABORTS): Do not define. - - * armdefs.h (struct ARMul_State): Add is_StrongARM. - (ARM_Strong_Prop, STRONGARM): Define. - * arminit.c (ARMul_NewState): Reset is_StrongARM. - (ARMul_SelectProcessor): Set is_StrongARM. - * wrapper.c (sim_create_inferior): Use bfd machine type to - determine processor type to emulate. - * armemu.h (BUSUSEDINCPCS, BUSUSEDINCPCN): Don't increment PC - when emulating StrongARM. - - * armemu.c (ARMul_Emulate, t_undefined): Proceed to next insn. - - * armemu.h (INSN_SIZE): New macro. - (SET_ABORT): Save CPSR in SPSR and set LR. - * armemu.c (ARMul_Emulate, isize): Set to INSN_SIZE. - (WriteR15, WriteSR15): Do not discard bit 1 in Thumb mode. - * arminit.c (ARMul_Abort): Use new SETABORT and INSN_SIZE. - - * armemu.c (LoadSMult): Use WriteR15() to discard the least - significant bits of PC. - - * armemu.h (WRITEDESTB): New macro. - * armemu.c (ARMul_Emulate26, bl): Use WriteR15Branch() to - modify PC. Moved the existing logic... - (WriteR15Branch): ... here. New function. - (WriteR15, WriteSR15): Drop the two least significant bits. - (LoadSMult): Use WriteR15Branch() to modify PC. - (LoadMult): Use WRITEDESTB() instead of WRITEDEST(). - - * armemu.h (GETSPSR): Call ARMul_GetSPSR(). - * armsupp.c (ARMul_CPSRAltered): Zero out bits as they're - extracted from state->Cpsr, but preserve the unused bits. - (ARMul_GetCPSR): Get bits preserved in state->Cpsr. - (ARMul_GetSPSR, ARMul_FixCPSR): Use ARMul_GetCPSR() to - get the full CPSR word. - - * armemu.h (PSR_FBITS, PSR_SBITS, PSR_XBITS, PSR_CBITS): New. - (SETPSR_F, SETPSR_S, SETPSR_X, SETPSR_C): New macros. - (SETPSR, SET_INTMODE, SETCC): Removed. - * armsupp.c (ARMul_FixCPSR, ARMul_FixSPSR): Do not test bit - mask. Use SETPSR_* to modify PSR. - (ARMul_SetCPSR): Load all bits from value. - * armemu.c (ARMul_Emulate, msr): Do not test bit mask. - - * armemu.c (ARMul_Emulate): Compute writeback value before - loading, since the offset register may be the destination - register. - - * armdefs.h (SYSTEMBANK): Define as USERBANK. - * armsupp.c (ARMul_SwitchMode): Remove SYSTEMBANK cases. - -2000-06-22 Alexandre Oliva <aoliva@cygnus.com> - - * armemu.c (Multiply64): Fix computation of flag N. - - * armemu.c (MultiplyAdd64): Fix computation of flag N. - -2000-06-20 Alexandre Oliva <aoliva@cygnus.com> - - * armemu.h (NEGBRANCH): Do not overwrite the two most significant - bits of the offset. - -2000-05-25 Nick Clifton <nickc@cygnus.com> - - * armcopro.c (MMUMCR): Only indicate mode change if a singal has - really changed. - (MMUWrite): Only indicate mode change if a singal has really - changed. - - * armdefs.h (SYSTEMMODE): Define. - (BANK_CAN_ACEESS_SPSR): Define. - - * armemu.c (ARM_Emulate26): If the mode has changed allow the PC - to advance before stopping the emulation. - - * arminit.c (ARMul_Reset): Ensure Mode field of State is set - correctly. - - * armos.c (ARMul_OSInit): Create a initial stack pointer for - System mode. - - * armsupp.c (ModeToBank): Remove unused first parameter. - Add support for System Mode. - (ARMul_GetSPSR): Use BANK_CAN_ACCESS_SPSR macro. - (ARMul_SetSPSR): Use BANK_CAN_ACCESS_SPSR macro. - (ARMul_FixSPSR): Use BANK_CAN_ACCESS_SPSR macro. - (ARMulSwitchMode): Add support for System Mode. - -Wed May 24 14:40:34 2000 Andrew Cagney <cagney@b1.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -2000-05-23 Nick Clifton <nickc@cygnus.com> - - * wrapper.c (sim_store_register): Special handling for CPSR - register. - -2000-03-11 Philip Blundell <philb@gnu.org> - - * armemu.c (LoadSMult, LoadMult): Correct handling of aborts. - Patch from Allan Skillman <Allan.Skillman@arm.com>. - -Wed Mar 22 15:24:21 2000 glen mccready <gkm@pobox.com> - - * wrapper.c (sim_open,sim_close): Copy into myname, free myname. - -2000-02-08 Nick Clifton <nickc@cygnus.com> - - * wrapper.c: Fix compile time warning messages. - * armcopro.c: Fix compile time warning messages. - * armdefs.h: Fix compile time warning messages. - * armemu.c: Fix compile time warning messages. - * armemu.h: Fix compile time warning messages. - * armos.c: Fix compile time warning messages. - * armsupp.c: Fix compile time warning messages. - * armvirt.c: Fix compile time warning messages. - * bag.c: Fix compile time warning messages. - -2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk> - - * *.[ch]: Use indent to make readable. - -1999-11-22 Nick Clifton <nickc@cygnus.com> - - * armos.c (SWIread): Generate an error message if a huge read is - performed. - (SWIwrite): Generate an error message if a huge write is - performed. - -1999-10-27 Nick Clifton <nickc@cygnus.com> - - * thumbemu.c (ARMul_ThumbDecode): Accept 0xbebe as a thumb - breakpoint. - -1999-10-08 Ulrich Drepper <drepper@cygnus.com> - - * armos.c (SWIopen): Always pass third parameter with 0666 since - otherwise uninitialized memory gets access if the O_CREAT bit is - set and so we possibly cannot access the file afterwards. - -1999-09-29 Doug Evans <devans@casey.cygnus.com> - - * armos.c (SWIWrite0): Send output to stdout instead of stderr. - (ARMul_OSHandleSWI, case SWI_WriteC,AngelSWI_Reason_WriteC): Ditto. - -Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -1999-05-08 Felix Lee <flee@cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -1999-04-06 Keith Seitz <keiths@cygnus.com> - - * wrapper.c (stop_simulator): New global. - (sim_stop): Set sim state to STOP and set - stop_simulator. - (sim_resume): Reset stop_simulator. - (sim_stop_reason): If stop_simulator is set, tell gdb - that the we took SIGINT. - * armemu.c (ARMul_Emulate26): Don't loop forever. Stop if - stop_simulator is set. - -1999-04-02 Keith Seitz <keiths@cygnus.com> - - * armemu.c (ARMul_Emulate26): If NEED_UI_LOOP_HOOK, call ui_loop_hook - whenever the counter expires. - * Makefile.in (SIM_EXTRA_CFLAGS): Include define NEED_UI_LOOP_HOOK. - -1999-03-24 Nick Clifton <nickc@cygnus.com> - - * armemu.c (ARMul_Emulate26): Handle new breakpoint value. - * thumbemu.c (ARMul_ThumbDecode): Handle new breakpoint value. - -Mon Sep 14 09:00:05 1998 Nick Clifton <nickc@cygnus.com> - - * wrapper.c (sim_open): Set endianness according to BFD or command - line switch. - - * tconfig.in: Define SIM_HAVE_BIENDIAN. - -Thu Aug 27 11:00:05 1998 Nick Clifton <nickc@cygnus.com> - - * armemu.c (Multiply64): Test for Rm (rather than Rs) not being - the same as either RdHi or RdLo. - -Thu Jul 2 10:24:35 1998 Nick Clifton <nickc@cygnus.com> - - * armos.c (ARMul_OSHandleSWI: AngelSWI_Reason_ReportException): - Set Reg[0] based on reason for for the exception. - -Thu Jun 4 15:22:03 1998 Jason Molenda (crash@bugshack.cygnus.com) - - * armos.c (SWIwrite0): New function. - (WriteCommandLineTo): New function. - (SWIopen): New function. - (SWIread): New function. - (SWIwrite): New function. - (SWIflen): New function. - (ARMul_OSHandleSWI): Call new functions instead of handling - these here. - (ARMul_OSHandleSWI): Handle Angel SWIs correctly. - (*): Reformat spacing to be a bit more GNUly. - Most code taken from a patch by Anthony Thompson - (athompso@cambridge.arm.com) - -Tue Jun 2 15:22:22 1998 Nick Clifton <nickc@cygnus.com> - - * armos.h: Add Angel SWI and its reason codes. - * armos.c (ARMul_OSHandleSWI): Ignore Angel SWIs (for now). - -Mon Jun 1 17:14:19 1998 Anthony Thompson (athompso@cambridge.arm.com) - - * armos.c (ARMul_OSHandleSWI::SWI_Open): Handle special case - of ":tt" to catch stdin in addition to stdout. - (ARMul_OSHandleSWI::SWI_Seek): Return 0 or 1 to indicate failure - or success of lseek(). - -Wed May 20 17:36:25 1998 Nick Clifton <nickc@cygnus.com> - - * armos.c (ARMul_OSHandleSWI): Special case code to catch attempts - to open stdout. - -Wed Apr 29 15:29:55 1998 Jeff Johnston <jjohnstn@cygnus.com> - - * armos.c (ARMul_OSHandleSWI): Added code for SWI_Clock, - SWI_Flen, and SWI_Time. Also fixed SWI_Seek code to only - seek from offset 0 and not to use R2 for whence since it is - not passed as part of the SWI call. - -Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - * config.in: Ditto. - -Sun Apr 26 15:20:26 1998 Tom Tromey <tromey@cygnus.com> - - * acconfig.h: New file. - * configure.in: Reverted change of Apr 24; use sinclude again. - -Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - * config.in: Ditto. - -Fri Apr 24 11:20:19 1998 Tom Tromey <tromey@cygnus.com> - - * configure.in: Don't call sinclude. - -Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Tue Mar 10 09:26:38 1998 Nick Clifton <nickc@cygnus.com> - - * armopts.h: Remove definition of LITTLEND - it is not used. - -Tue Feb 17 12:35:54 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * wrapper.c (sim_store_register, sim_fetch_register): Pass in - length parameter. Return -1. - -Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - * config.in: Ditto. - -Tue Dec 9 11:30:48 1997 Nick Clifton <nickc@cygnus.com> - - * Makefile.in: Updated with changes from branch. - * armdefs.h: ditto - * armemu.c: ditto these changes - * armemu.h: ditto add support for - * armos.c: ditto the Thumb instruction - * armsupp.c: ditto set and the new v4 - * armvirt.c: ditto architecture. - * wrapper.c: ditto - * thumbemu.c: New file from branch. - - -Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Thu Oct 30 13:54:06 1997 Nick Clifton <nickc@cygnus.com> - - * armos.c (ARMul_OSHandleSWI): Add support for GetEnv SWI. Patch - from Tony Thompson at ARM: athompso@arm.com - - * wrapper.c (sim_create_inferior): Add code to create an execution - environment. Patch from Tony Thompson at ARM: athompso@arm.com - -Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * wrapper.c (sim_load): Pass lma_p and sim_write args to - sim_load_file. - -Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - * config.in: Ditto. - -Tue Aug 26 10:37:27 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * wrapper.c (sim_kill): Delete. - (sim_create_inferior): Add ABFD argument. - (sim_load): Move setting of PC from here. - (sim_create_inferior): To here. - -Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - * config.in: Ditto. - -Mon Aug 25 15:35:45 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * wrapper.c (sim_open): Add ABFD argument. - -Tue May 20 10:13:26 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * wrapper.c (sim_open): Add callback argument. - (sim_set_callbacks): Drop SIM_DESC argument. - -Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Fri Apr 18 13:32:23 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * wrapper.c (sim_stop): Stub sim_stop function. - -Thu Apr 17 18:33:01 1997 Fred Fish <fnf@cygnus.com> - - * arminit.c (ARMul_NewState): Preinitialize the state to - all zero/NULL. - -Thu Apr 17 02:39:02 1997 Doug Evans <dje@canuck.cygnus.com> - - * Makefile.in (SIM_OBJS): Add sim-load.o. - * wrapper.c (sim_kind,myname): New static locals. - (sim_open): Set sim_kind, myname. - (sim_load): Call sim_load_file to do work. Set start address from bfd. - (sim_create_inferior): Return SIM_RC. Delete start_address arg. - -Thu Apr 17 11:48:25 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * wrapper.c (sim_trace): Update so that it matches prototype. - -Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - * config.in: Ditto. - -Mon Apr 7 12:01:17 1997 Andrew Cagney <cagney@kremvax.cygnus.com> - - * Makefile.in (armemu32.o): Replace $< with autoconf recommended - $(srcdir)/.... - (armemu26.o): Ditto. - -Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com> - - * wrapper.c (sim_open): New arg `kind'. - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Wed Apr 2 14:50:44 1997 Ian Lance Taylor <ian@cygnus.com> - - * COPYING: Update FSF address. - -Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com> - - * configure: Re-generate. - -Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com> - - * configure: Regenerate to track ../common/aclocal.m4 changes. - -Thu Mar 13 12:38:56 1997 Doug Evans <dje@canuck.cygnus.com> - - * wrapper.c (sim_open): Has result now. - (sim_*): New SIM_DESC argument. - -Tue Feb 4 13:22:21 1997 Doug Evans <dje@canuck.cygnus.com> - - * Makefile.in (@COMMON_MAKEFILE_FRAG@): Use - COMMON_{PRE,POST}_CONFIG_FRAG instead. - * configure.in: sinclude ../common/aclocal.m4. - * configure: Regenerated. - -Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com) - - * configure configure.in Makefile.in: Update to new configure - scheme which is more compatible with WinGDB builds. - * configure.in: Improve comment on how to run autoconf. - * configure: Re-run autoconf to get new ../common/aclocal.m4. - * Makefile.in: Use autoconf substitution to install common - makefile fragment. - -Wed Nov 20 01:05:10 1996 Doug Evans <dje@canuck.cygnus.com> - - * run.c: Deleted, use one in ../common now. - * Makefile.in: Delete everything that's been moved to - ../common/Make-common.in. - (SIM_OBJS): Define. - * configure.in: Simplify using macros in ../common/aclocal.m4. - * configure: Regenerated. - * config.in: New file. - * armos.c: #include config.h. - * wrapper.c (mem_size): Value is in bytes now. - (sim_callback): New global. - (arm_sim_set_profile{,_size}): Delete. - (arm_sim_set_mem_size): Rename to sim_size. - (sim_do_command): Call printf_filtered via callback. - (sim_set_callbacks): Record callback. - -Thu Oct 3 16:10:27 1996 Jason Molenda (crash@godzilla.cygnus.co.jp) - - * Makefile.in (mostlyclean): Remove config.log. - -Wed Jun 26 12:17:24 1996 Jason Molenda (crash@godzilla.cygnus.co.jp) - - * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir, - INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values. - (docdir): Removed. - * configure.in (AC_PREREQ): autoconf 2.5 or higher. - (AC_PROG_INSTALL): Added. - * configure: Rebuilt. - -Wed Feb 21 12:14:31 1996 Ian Lance Taylor <ian@cygnus.com> - - * configure: Regenerate with autoconf 2.7. - -Fri Dec 15 16:27:30 1995 Ian Lance Taylor <ian@cygnus.com> - - * run.c (main): Use new bfd_big_endian macro. - -Mon Nov 20 17:40:38 1995 Doug Evans <dje@canuck.cygnus.com> - - * run.c: Include "getopt.h". - (verbose): Delete. - (usage): Make static. - (main): Call arm_sim_set_verbosity. - Only load sections marked SEC_LOAD. - * wrapper.c (mem_size, verbosity): New static global. - (arm_sim_set_mem_size): Renamed from sim_size. Callers updated. - (arm_sim_set_profile{,_size}): Renamed from sim_foo. Callers updated. - -Fri Nov 17 19:35:11 1995 Doug Evans <dje@canuck.cygnus.com> - - * armdefs.h (ARMul_State): New member `verbose'. - * armrdi.c (ARMul_ConsolePrint): Add missing va_end. - * run.c (verbose): Make global. - * wrapper.c (init): Set state->verbose. - (ARMul_ConsolePrint): Don't print anything if !verbose. - -Fri Oct 13 15:30:30 1995 Doug Evans <dje@canuck.cygnus.com> - - * armos.c: #include dbg_rdi.h. - (ARMul_OSHandleSWI): Handle SWI_Breakpoint. - * armos.h (SWI_Breakpoint): Define. - * wrapper.c: #include armemu.h, dbg_rdi.h. - (rc): Delete. - (sim_resume): Use state->EndCondition to record stop state. - Call FLUSHPIPE before returning. - (sim_stop_reason): Determine reason from state->EndCondition. - -Fri Oct 13 15:04:05 1995 steve chamberlain <sac@slash.cygnus.com> - - * wrapper.c (sim_set_callbacks): New. - -Thu Sep 28 19:45:56 1995 Doug Evans <dje@deneb.cygnus.com> - - * armos.c (ARMul_OSHandleSWI): Result of read/write calls is - number of bytes not read/written (or -1). - -Wed Sep 20 13:35:54 1995 Ian Lance Taylor <ian@cygnus.com> - - * Makefile.in (maintainer-clean): New synonym for realclean. - -Fri Sep 8 14:27:20 1995 Ian Lance Taylor <ian@cygnus.com> - - * configure.in: Remove AC_PROG_INSTALL. - * configure: Rebuild. - * Makefile.in (INSTALL): Revert to using install.sh. - (INSTALL_PROGRAM, INSTALL_DATA): Set to $(INSTALL). - (INSTALL_XFORM, INSTALL_XFORM1): Restore. - (mostlyclean): Make the same as clean, not distclean. - (clean): Remove config.log. - (install): Don't install in $(tooldir). - -Thu Sep 7 12:00:17 1995 Doug Evans <dje@canuck.cygnus.com> - - (Try to) Update to new bfd autoconf scheme. - * run.c: Don't include sysdep.h. - * Makefile.in (INSTALL{,_PROGRAM,_DATA}): Use autoconf computed value. - (CC, CFLAGS, AR, RANLIB): Likewise. - (HDEFINES, TDEFINES): Define. - (CC_FOR_BUILD): Delete. - (host_makefile_frag): Delete. - (Makefile): Don't depend on frags. - * configure.in (sysdep.h): Don't create symlink. - (host_makefile_frag, frags): Deleted. - (CC, CFLAGS, AR, RANLIB, INSTALL): Compute values. - * configure: Regenerated. - -Thu Aug 3 10:45:37 1995 Fred Fish <fnf@cygnus.com> - - * Update all FSF addresses except those in COPYING* files. - -Wed Jul 5 16:15:54 1995 J.T. Conklin <jtc@rtl.cygnus.com> - - * Makefile.in (clean): Remove run, libsim.a. - - * Makefile.in, configure.in: converted to autoconf. - * configure: New file, generated with autconf 2.4. - - * arm.mt: Removed. - -Fri Jun 30 16:49:47 1995 Stan Shebs <shebs@andros.cygnus.com> - - * wrapper.c (sim_do_command): New function. - -Tue Jun 13 10:57:32 1995 Steve Chamberlain <sac@slash.cygnus.com> - - * armos.c (ARMul_OSHandleSWI): New version to work with - newlib simply. - -Thu Jun 8 14:37:14 1995 Steve Chamberlain <sac@slash.cygnus.com> - - * run.c (main): Grab return value from right register. - -Wed May 24 14:37:31 1995 Steve Chamberlain <sac@slash.cygnus.com> - - * New. - - diff --git a/sim/arm/Makefile.in b/sim/arm/Makefile.in deleted file mode 100644 index 19a9bcab4f9..00000000000 --- a/sim/arm/Makefile.in +++ /dev/null @@ -1,50 +0,0 @@ -# Makefile template for Configure for the arm sim library. -# Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. -# Written by Cygnus Support. -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - -## COMMON_PRE_CONFIG_FRAG - -SIM_EXTRA_CFLAGS = -DMODET -DNEED_UI_LOOP_HOOK - -COPRO=@COPRO@ - -SIM_OBJS = armemu26.o armemu32.o arminit.o armos.o armsupp.o \ - armvirt.o bag.o thumbemu.o wrapper.o sim-load.o $(COPRO) - -## COMMON_POST_CONFIG_FRAG - - -armos.o: armos.c armdefs.h armos.h armfpe.h - -armcopro.o: armcopro.c armdefs.h - -armemu26.o: armemu.c armdefs.h armemu.h - $(CC) -c $< -o armemu26.o $(ALL_CFLAGS) - -armemu32.o: armemu.c armdefs.h armemu.h - $(CC) -c $< -o armemu32.o -DMODE32 $(ALL_CFLAGS) - -arminit.o: arminit.c armdefs.h armemu.h - -armrdi.o: armrdi.c armdefs.h armemu.h armos.h dbg_cp.h dbg_conf.h dbg_rdi.h \ - dbg_hif.h communicate.h - -armsupp.o: armsupp.c armdefs.h armemu.h - -thumbemu.o: thumbemu.c armdefs.h armemu.h - -bag.o: bag.c bag.h diff --git a/sim/arm/README.Cygnus b/sim/arm/README.Cygnus deleted file mode 100644 index adfb766451d..00000000000 --- a/sim/arm/README.Cygnus +++ /dev/null @@ -1,27 +0,0 @@ - -This directory contains the standard release of the ARMulator from -Advanced RISC Machines, and was ftp'd from. - -ftp.cl.cam.ac.uk:/arm/gnu - -It likes to use TCP/IP between the simulator and the host, which is -nice, but is a pain to use under anything non-unix. - -I've added created a new Makefile.in (the original in Makefile.orig) -to build a version of the simulator without the TCP/IP stuff, and a -wrapper.c to link directly into gdb and the run command. - -It should be possible (barring major changes in the layout of -the armulator) to upgrade the simulator by copying all the files -out of a release into this directory and renaming the Makefile. - -(Except that I changed armos.c to work more simply with our -simulator rigs) - -Steve - -sac@cygnus.com - -Mon May 15 12:03:28 PDT 1995 - - diff --git a/sim/arm/acconfig.h b/sim/arm/acconfig.h deleted file mode 100644 index f9b87a10c60..00000000000 --- a/sim/arm/acconfig.h +++ /dev/null @@ -1,15 +0,0 @@ - -/* Define to 1 if NLS is requested. */ -#undef ENABLE_NLS - -/* Define as 1 if you have catgets and don't want to use GNU gettext. */ -#undef HAVE_CATGETS - -/* Define as 1 if you have gettext and don't want to use GNU gettext. */ -#undef HAVE_GETTEXT - -/* Define as 1 if you have the stpcpy function. */ -#undef HAVE_STPCPY - -/* Define if your locale.h file contains LC_MESSAGES. */ -#undef HAVE_LC_MESSAGES diff --git a/sim/arm/armcopro.c b/sim/arm/armcopro.c deleted file mode 100644 index 52b22d7b85a..00000000000 --- a/sim/arm/armcopro.c +++ /dev/null @@ -1,1420 +0,0 @@ -/* armcopro.c -- co-processor interface: ARM6 Instruction Emulator. - Copyright (C) 1994, 2000 Advanced RISC Machines Ltd. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#include "armdefs.h" -#include "armos.h" -#include "armemu.h" -#include "ansidecl.h" - -/* Dummy Co-processors. */ - -static unsigned -NoCoPro3R (ARMul_State * state ATTRIBUTE_UNUSED, - unsigned a ATTRIBUTE_UNUSED, - ARMword b ATTRIBUTE_UNUSED) -{ - return ARMul_CANT; -} - -static unsigned -NoCoPro4R (ARMul_State * state ATTRIBUTE_UNUSED, - unsigned a ATTRIBUTE_UNUSED, - ARMword b ATTRIBUTE_UNUSED, - ARMword c ATTRIBUTE_UNUSED) -{ - return ARMul_CANT; -} - -static unsigned -NoCoPro4W (ARMul_State * state ATTRIBUTE_UNUSED, - unsigned a ATTRIBUTE_UNUSED, - ARMword b ATTRIBUTE_UNUSED, - ARMword * c ATTRIBUTE_UNUSED) -{ - return ARMul_CANT; -} - -/* The XScale Co-processors. */ - -/* Coprocessor 15: System Control. */ - -/* There are two sets of registers for copro 15. - One set is available when opcode_2 is 0 and - the other set when opcode_2 >= 1. */ -static ARMword XScale_cp15_opcode_2_is_0_Regs[16]; -static ARMword XScale_cp15_opcode_2_is_not_0_Regs[16]; -/* There are also a set of breakpoint registers - which are accessed via CRm instead of opcode_2. */ -static ARMword XScale_cp15_DBR1; -static ARMword XScale_cp15_DBCON; -static ARMword XScale_cp15_IBCR0; -static ARMword XScale_cp15_IBCR1; - -static unsigned -XScale_cp15_init (ARMul_State * state ATTRIBUTE_UNUSED) -{ - int i; - - for (i = 16; i--;) - { - XScale_cp15_opcode_2_is_0_Regs[i] = 0; - XScale_cp15_opcode_2_is_not_0_Regs[i] = 0; - } - - /* Initialise the processor ID. */ - XScale_cp15_opcode_2_is_0_Regs[0] = 0x69052000; - - /* Initialise the cache type. */ - XScale_cp15_opcode_2_is_not_0_Regs[0] = 0x0B1AA1AA; - - /* Initialise the ARM Control Register. */ - XScale_cp15_opcode_2_is_0_Regs[1] = 0x00000078; - -} - -/* Check an access to a register. */ - -static unsigned -check_cp15_access (ARMul_State * state, - unsigned reg, - unsigned CRm, - unsigned opcode_1, - unsigned opcode_2) -{ - /* Do not allow access to these register in USER mode. */ - if (state->Mode == USER26MODE || state->Mode == USER32MODE) - return ARMul_CANT; - - /* Opcode_1should be zero. */ - if (opcode_1 != 0) - return ARMul_CANT; - - /* Different register have different access requirements. */ - switch (reg) - { - case 0: - case 1: - /* CRm must be 0. Opcode_2 can be anything. */ - if (CRm != 0) - return ARMul_CANT; - break; - case 2: - case 3: - /* CRm must be 0. Opcode_2 must be zero. */ - if ((CRm != 0) || (opcode_2 != 0)) - return ARMul_CANT; - break; - case 4: - /* Access not allowed. */ - return ARMul_CANT; - case 5: - case 6: - /* Opcode_2 must be zero. CRm must be 0. */ - if ((CRm != 0) || (opcode_2 != 0)) - return ARMul_CANT; - break; - case 7: - /* Permissable combinations: - Opcode_2 CRm - 0 5 - 0 6 - 0 7 - 1 5 - 1 6 - 1 10 - 4 10 - 5 2 - 6 5 */ - switch (opcode_2) - { - default: return ARMul_CANT; - case 6: if (CRm != 5) return ARMul_CANT; break; - case 5: if (CRm != 2) return ARMul_CANT; break; - case 4: if (CRm != 10) return ARMul_CANT; break; - case 1: if ((CRm != 5) && (CRm != 6) && (CRm != 10)) return ARMul_CANT; break; - case 0: if ((CRm < 5) || (CRm > 7)) return ARMul_CANT; break; - } - break; - - case 8: - /* Permissable combinations: - Opcode_2 CRm - 0 5 - 0 6 - 0 7 - 1 5 - 1 6 */ - if (opcode_2 > 1) - return ARMul_CANT; - if ((CRm < 5) || (CRm > 7)) - return ARMul_CANT; - if (opcode_2 == 1 && CRm == 7) - return ARMul_CANT; - break; - case 9: - /* Opcode_2 must be zero or one. CRm must be 1 or 2. */ - if ( ((CRm != 0) && (CRm != 1)) - || ((opcode_2 != 1) && (opcode_2 != 2))) - return ARMul_CANT; - break; - case 10: - /* Opcode_2 must be zero or one. CRm must be 4 or 8. */ - if ( ((CRm != 0) && (CRm != 1)) - || ((opcode_2 != 4) && (opcode_2 != 8))) - return ARMul_CANT; - break; - case 11: - /* Access not allowed. */ - return ARMul_CANT; - case 12: - /* Access not allowed. */ - return ARMul_CANT; - case 13: - /* Opcode_2 must be zero. CRm must be 0. */ - if ((CRm != 0) || (opcode_2 != 0)) - return ARMul_CANT; - break; - case 14: - /* Opcode_2 must be 0. CRm must be 0, 3, 4, 8 or 9. */ - if (opcode_2 != 0) - return ARMul_CANT; - - if ((CRm != 0) && (CRm != 3) && (CRm != 4) && (CRm != 8) && (CRm != 9)) - return ARMul_CANT; - break; - case 15: - /* Opcode_2 must be zero. CRm must be 1. */ - if ((CRm != 1) || (opcode_2 != 0)) - return ARMul_CANT; - break; - default: - /* Should never happen. */ - return ARMul_CANT; - } - - return ARMul_DONE; -} - -/* Store a value into one of coprocessor 15's registers. */ - -void -write_cp15_reg (ARMul_State * state, unsigned reg, unsigned opcode_2, unsigned CRm, ARMword value) -{ - if (opcode_2) - { - switch (reg) - { - case 0: /* Cache Type. */ - /* Writes are not allowed. */ - return; - - case 1: /* Auxillary Control. */ - /* Only BITS (5, 4) and BITS (1, 0) can be written. */ - value &= 0x33; - break; - - default: - return; - } - - XScale_cp15_opcode_2_is_not_0_Regs [reg] = value; - } - else - { - switch (reg) - { - case 0: /* ID. */ - /* Writes are not allowed. */ - return; - - case 1: /* ARM Control. */ - /* Only BITS (13, 11), BITS (9, 7) and BITS (2, 0) can be written. - BITS (31, 14) and BIT (10) write as zero, BITS (6, 3) write as one. */ - value &= 0x00003b87; - value |= 0x00000078; - - /* Change the endianness if necessary */ - if ((value & ARMul_CP15_R1_ENDIAN) != - (XScale_cp15_opcode_2_is_0_Regs [reg] & ARMul_CP15_R1_ENDIAN)) - { - state->bigendSig = value & ARMul_CP15_R1_ENDIAN; - /* Force ARMulator to notice these now. */ - state->Emulate = CHANGEMODE; - } - break; - - case 2: /* Translation Table Base. */ - /* Only BITS (31, 14) can be written. */ - value &= 0xffffc000; - break; - - case 3: /* Domain Access Control. */ - /* All bits writable. */ - break; - - case 5: /* Fault Status Register. */ - /* BITS (10, 9) and BITS (7, 0) can be written. */ - value &= 0x000006ff; - break; - - case 6: /* Fault Address Register. */ - /* All bits writable. */ - break; - - case 7: /* Cache Functions. */ - case 8: /* TLB Operations. */ - case 10: /* TLB Lock Down. */ - /* Ignore writes. */ - return; - - case 9: /* Data Cache Lock. */ - /* Only BIT (0) can be written. */ - value &= 0x1; - break; - - case 13: /* Process ID. */ - /* Only BITS (31, 25) are writable. */ - value &= 0xfe000000; - break; - - case 14: /* DBR0, DBR1, DBCON, IBCR0, IBCR1 */ - /* All bits can be written. Which register is accessed is - dependent upon CRm. */ - switch (CRm) - { - case 0: /* DBR0 */ - break; - case 3: /* DBR1 */ - XScale_cp15_DBR1 = value; - break; - case 4: /* DBCON */ - XScale_cp15_DBCON = value; - break; - case 8: /* IBCR0 */ - XScale_cp15_IBCR0 = value; - break; - case 9: /* IBCR1 */ - XScale_cp15_IBCR1 = value; - break; - default: - return; - } - break; - - case 15: /* Coprpcessor Access Register. */ - /* Access is only valid if CRm == 1. */ - if (CRm != 1) - return; - - /* Only BITS (13, 0) may be written. */ - value &= 0x00003fff; - break; - - default: - return; - } - - XScale_cp15_opcode_2_is_0_Regs [reg] = value; - } - - return; -} - -/* Return the value in a cp15 register. */ - -ARMword -read_cp15_reg (unsigned reg, unsigned opcode_2, unsigned CRm) -{ - if (opcode_2 == 0) - { - if (reg == 15 && CRm != 1) - return 0; - - if (reg == 14) - { - switch (CRm) - { - case 3: return XScale_cp15_DBR1; - case 4: return XScale_cp15_DBCON; - case 8: return XScale_cp15_IBCR0; - case 9: return XScale_cp15_IBCR1; - default: - break; - } - } - - return XScale_cp15_opcode_2_is_0_Regs [reg]; - } - else - return XScale_cp15_opcode_2_is_not_0_Regs [reg]; - - return 0; -} - -static unsigned -XScale_cp15_LDC (ARMul_State * state, unsigned type, ARMword instr, ARMword data) -{ - unsigned reg = BITS (12, 15); - unsigned result; - - result = check_cp15_access (state, reg, 0, 0, 0); - - if (result == ARMul_DONE && type == ARMul_DATA) - write_cp15_reg (state, reg, 0, 0, data); - - return result; -} - -static unsigned -XScale_cp15_STC (ARMul_State * state, unsigned type, ARMword instr, ARMword * data) -{ - unsigned reg = BITS (12, 15); - unsigned result; - - result = check_cp15_access (state, reg, 0, 0, 0); - - if (result == ARMul_DONE && type == ARMul_DATA) - * data = read_cp15_reg (reg, 0, 0); - - return result; -} - -static unsigned -XScale_cp15_MRC (ARMul_State * state, - unsigned type ATTRIBUTE_UNUSED, - ARMword instr, - ARMword * value) -{ - unsigned opcode_2 = BITS (5, 7); - unsigned CRm = BITS (0, 3); - unsigned reg = BITS (16, 19); - unsigned result; - - result = check_cp15_access (state, reg, CRm, BITS (21, 23), opcode_2); - - if (result == ARMul_DONE) - * value = read_cp15_reg (reg, opcode_2, CRm); - - return result; -} - -static unsigned -XScale_cp15_MCR (ARMul_State * state, - unsigned type ATTRIBUTE_UNUSED, - ARMword instr, - ARMword value) -{ - unsigned opcode_2 = BITS (5, 7); - unsigned CRm = BITS (0, 3); - unsigned reg = BITS (16, 19); - unsigned result; - - result = check_cp15_access (state, reg, CRm, BITS (21, 23), opcode_2); - - if (result == ARMul_DONE) - write_cp15_reg (state, reg, opcode_2, CRm, value); - - return result; -} - -static unsigned -XScale_cp15_read_reg (ARMul_State * state ATTRIBUTE_UNUSED, - unsigned reg, - ARMword * value) -{ - /* FIXME: Not sure what to do about the alternative register set - here. For now default to just accessing CRm == 0 registers. */ - * value = read_cp15_reg (reg, 0, 0); - - return TRUE; -} - -static unsigned -XScale_cp15_write_reg (ARMul_State * state ATTRIBUTE_UNUSED, - unsigned reg, - ARMword value) -{ - /* FIXME: Not sure what to do about the alternative register set - here. For now default to just accessing CRm == 0 registers. */ - write_cp15_reg (state, reg, 0, 0, value); - - return TRUE; -} - -/***************************************************************************\ -* Check for special XScale memory access features * -\***************************************************************************/ -void -XScale_check_memacc (ARMul_State * state, ARMword * address, int store) -{ - ARMword dbcon, r0, r1; - int e1, e0; - - if (!state->is_XScale) - return; - - /* Check for PID-ification. - XXX BTB access support will require this test failing. */ - r0 = (read_cp15_reg (13, 0, 0) & 0xfe000000); - if (r0 && (*address & 0xfe000000) == 0) - *address |= r0; - - /* Check alignment fault enable/disable. */ - if ((read_cp15_reg (1, 0, 0) & ARMul_CP15_R1_ALIGN) && (*address & 3)) - ARMul_Abort (state, ARMul_DataAbortV); - - if (XScale_debug_moe (state, -1)) - return; - - /* Check the data breakpoint registers. */ - dbcon = read_cp15_reg (14, 0, 4); - r0 = read_cp15_reg (14, 0, 0); - r1 = read_cp15_reg (14, 0, 3); - e0 = dbcon & ARMul_CP15_DBCON_E0; - - if (dbcon & ARMul_CP15_DBCON_M) - { - /* r1 is a inverse mask. */ - if (e0 != 0 && ((store && e0 != 3) || (!store && e0 != 1)) - && ((*address & ~r1) == (r0 & ~r1))) - { - XScale_debug_moe (state, ARMul_CP14_R10_MOE_DB); - ARMul_OSHandleSWI (state, SWI_Breakpoint); - } - } - else - { - if (e0 != 0 && ((store && e0 != 3) || (!store && e0 != 1)) - && ((*address & ~3) == (r0 & ~3))) - { - XScale_debug_moe (state, ARMul_CP14_R10_MOE_DB); - ARMul_OSHandleSWI (state, SWI_Breakpoint); - } - - e1 = (dbcon & ARMul_CP15_DBCON_E1) >> 2; - if (e1 != 0 && ((store && e1 != 3) || (!store && e1 != 1)) - && ((*address & ~3) == (r1 & ~3))) - { - XScale_debug_moe (state, ARMul_CP14_R10_MOE_DB); - ARMul_OSHandleSWI (state, SWI_Breakpoint); - } - } -} - -/***************************************************************************\ -* Check set -\***************************************************************************/ -void -XScale_set_fsr_far(ARMul_State * state, ARMword fsr, ARMword far) -{ - if (!state->is_XScale || (read_cp14_reg (10) & (1UL << 31)) == 0) - return; - - write_cp15_reg (state, 5, 0, 0, fsr); - write_cp15_reg (state, 6, 0, 0, far); -} - -/* Set the XScale debug `method of entry' if it is enabled. */ -int -XScale_debug_moe (ARMul_State * state, int moe) -{ - ARMword value; - - if (!state->is_XScale) - return 1; - - value = read_cp14_reg (10); - if (value & (1UL << 31)) - { - if (moe != -1) - { - value &= ~0x1c; - value |= moe; - - write_cp14_reg (10, value); - } - return 1; - } - return 0; -} - -/* Coprocessor 13: Interrupt Controller and Bus Controller. */ - -/* There are two sets of registers for copro 13. - One set (of three registers) is available when CRm is 0 - and the other set (of six registers) when CRm is 1. */ - -static ARMword XScale_cp13_CR0_Regs[16]; -static ARMword XScale_cp13_CR1_Regs[16]; - -static unsigned -XScale_cp13_init (ARMul_State * state ATTRIBUTE_UNUSED) -{ - int i; - - for (i = 16; i--;) - { - XScale_cp13_CR0_Regs[i] = 0; - XScale_cp13_CR1_Regs[i] = 0; - } -} - -/* Check an access to a register. */ - -static unsigned -check_cp13_access (ARMul_State * state, - unsigned reg, - unsigned CRm, - unsigned opcode_1, - unsigned opcode_2) -{ - /* Do not allow access to these register in USER mode. */ - if (state->Mode == USER26MODE || state->Mode == USER32MODE) - return ARMul_CANT; - - /* The opcodes should be zero. */ - if ((opcode_1 != 0) || (opcode_2 != 0)) - return ARMul_CANT; - - /* Do not allow access to these register if bit 13 of coprocessor - 15's register 15 is zero. */ - if ((XScale_cp15_opcode_2_is_0_Regs[15] & (1 << 13)) == 0) - return ARMul_CANT; - - /* Registers 0, 4 and 8 are defined when CRm == 0. - Registers 0, 4, 5, 6, 7, 8 are defined when CRm == 1. - For all other CRm values undefined behaviour results. */ - if (CRm == 0) - { - if (reg == 0 || reg == 4 || reg == 8) - return ARMul_DONE; - } - else if (CRm == 1) - { - if (reg == 0 || (reg >= 4 && reg <= 8)) - return ARMul_DONE; - } - - return ARMul_CANT; -} - -/* Store a value into one of coprocessor 13's registers. */ - -static void -write_cp13_reg (unsigned reg, unsigned CRm, ARMword value) -{ - switch (CRm) - { - case 0: - switch (reg) - { - case 0: /* INTCTL */ - /* Only BITS (3:0) can be written. */ - value &= 0xf; - break; - - case 4: /* INTSRC */ - /* No bits may be written. */ - return; - - case 8: /* INTSTR */ - /* Only BITS (1:0) can be written. */ - value &= 0x3; - break; - - default: - /* Should not happen. Ignore any writes to unimplemented registers. */ - return; - } - - XScale_cp13_CR0_Regs [reg] = value; - break; - - case 1: - switch (reg) - { - case 0: /* BCUCTL */ - /* Only BITS (30:28) and BITS (3:0) can be written. - BIT(31) is write ignored. */ - value &= 0x7000000f; - value |= XScale_cp13_CR1_Regs[0] & (1UL << 31); - break; - - case 4: /* ELOG0 */ - case 5: /* ELOG1 */ - case 6: /* ECAR0 */ - case 7: /* ECAR1 */ - /* No bits can be written. */ - return; - - case 8: /* ECTST */ - /* Only BITS (7:0) can be written. */ - value &= 0xff; - break; - - default: - /* Should not happen. Ignore any writes to unimplemented registers. */ - return; - } - - XScale_cp13_CR1_Regs [reg] = value; - break; - - default: - /* Should not happen. */ - break; - } - - return; -} - -/* Return the value in a cp13 register. */ - -static ARMword -read_cp13_reg (unsigned reg, unsigned CRm) -{ - if (CRm == 0) - return XScale_cp13_CR0_Regs [reg]; - else if (CRm == 1) - return XScale_cp13_CR1_Regs [reg]; - - return 0; -} - -static unsigned -XScale_cp13_LDC (ARMul_State * state, unsigned type, ARMword instr, ARMword data) -{ - unsigned reg = BITS (12, 15); - unsigned result; - - result = check_cp13_access (state, reg, 0, 0, 0); - - if (result == ARMul_DONE && type == ARMul_DATA) - write_cp13_reg (reg, 0, data); - - return result; -} - -static unsigned -XScale_cp13_STC (ARMul_State * state, unsigned type, ARMword instr, ARMword * data) -{ - unsigned reg = BITS (12, 15); - unsigned result; - - result = check_cp13_access (state, reg, 0, 0, 0); - - if (result == ARMul_DONE && type == ARMul_DATA) - * data = read_cp13_reg (reg, 0); - - return result; -} - -static unsigned -XScale_cp13_MRC (ARMul_State * state, - unsigned type ATTRIBUTE_UNUSED, - ARMword instr, - ARMword * value) -{ - unsigned CRm = BITS (0, 3); - unsigned reg = BITS (16, 19); - unsigned result; - - result = check_cp13_access (state, reg, CRm, BITS (21, 23), BITS (5, 7)); - - if (result == ARMul_DONE) - * value = read_cp13_reg (reg, CRm); - - return result; -} - -static unsigned -XScale_cp13_MCR (ARMul_State * state, - unsigned type ATTRIBUTE_UNUSED, - ARMword instr, - ARMword value) -{ - unsigned CRm = BITS (0, 3); - unsigned reg = BITS (16, 19); - unsigned result; - - result = check_cp13_access (state, reg, CRm, BITS (21, 23), BITS (5, 7)); - - if (result == ARMul_DONE) - write_cp13_reg (reg, CRm, value); - - return result; -} - -static unsigned -XScale_cp13_read_reg -( - ARMul_State * state ATTRIBUTE_UNUSED, - unsigned reg, - ARMword * value -) -{ - /* FIXME: Not sure what to do about the alternative register set - here. For now default to just accessing CRm == 0 registers. */ - * value = read_cp13_reg (reg, 0); - - return TRUE; -} - -static unsigned -XScale_cp13_write_reg -( - ARMul_State * state ATTRIBUTE_UNUSED, - unsigned reg, - ARMword value -) -{ - /* FIXME: Not sure what to do about the alternative register set - here. For now default to just accessing CRm == 0 registers. */ - write_cp13_reg (reg, 0, value); - - return TRUE; -} - -/* Coprocessor 14: Performance Monitoring, Clock and Power management, - Software Debug. */ - -static ARMword XScale_cp14_Regs[16]; - -static unsigned -XScale_cp14_init (ARMul_State * state ATTRIBUTE_UNUSED) -{ - int i; - - for (i = 16; i--;) - XScale_cp14_Regs[i] = 0; -} - -/* Check an access to a register. */ - -static unsigned -check_cp14_access (ARMul_State * state, - unsigned reg, - unsigned CRm, - unsigned opcode1, - unsigned opcode2) -{ - /* Not allowed to access these register in USER mode. */ - if (state->Mode == USER26MODE || state->Mode == USER32MODE) - return ARMul_CANT; - - /* CRm should be zero. */ - if (CRm != 0) - return ARMul_CANT; - - /* OPcodes should be zero. */ - if (opcode1 != 0 || opcode2 != 0) - return ARMul_CANT; - - /* Accessing registers 4 or 5 has unpredicatable results. */ - if (reg >= 4 && reg <= 5) - return ARMul_CANT; - - return ARMul_DONE; -} - -/* Store a value into one of coprocessor 14's registers. */ - -void -write_cp14_reg (unsigned reg, ARMword value) -{ - switch (reg) - { - case 0: /* PMNC */ - /* Only BITS (27:12), BITS (10:8) and BITS (6:0) can be written. */ - value &= 0x0ffff77f; - - /* Reset the clock counter if necessary */ - if (value & ARMul_CP14_R0_CLKRST) - XScale_cp14_Regs [1] = 0; - break; - - case 4: - case 5: - /* We should not normally reach this code. The debugger interface - can bypass the normal checks though, so it could happen. */ - value = 0; - break; - - case 6: /* CCLKCFG */ - /* Only BITS (3:0) can be written. */ - value &= 0xf; - break; - - case 7: /* PWRMODE */ - /* Although BITS (1:0) can be written with non-zero values, this would - have the side effect of putting the processor to sleep. Thus in - order for the register to be read again, it would have to go into - ACTIVE mode, which means that any read will see these bits as zero. - - Rather than trying to implement complex reset-to-zero-upon-read logic - we just override the write value with zero. */ - value = 0; - break; - - case 10: /* DCSR */ - /* Only BITS (31:30), BITS (23:22), BITS (20:16) and BITS (5:0) can - be written. */ - value &= 0xc0df003f; - break; - - case 11: /* TBREG */ - /* No writes are permitted. */ - value = 0; - break; - - case 14: /* TXRXCTRL */ - /* Only BITS (31:30) can be written. */ - value &= 0xc0000000; - break; - - default: - /* All bits can be written. */ - break; - } - - XScale_cp14_Regs [reg] = value; -} - -/* Return the value in a cp14 register. Not a static function since - it is used by the code to emulate the BKPT instruction in armemu.c. */ - -ARMword -read_cp14_reg (unsigned reg) -{ - return XScale_cp14_Regs [reg]; -} - -static unsigned -XScale_cp14_LDC (ARMul_State * state, unsigned type, ARMword instr, ARMword data) -{ - unsigned reg = BITS (12, 15); - unsigned result; - - result = check_cp14_access (state, reg, 0, 0, 0); - - if (result == ARMul_DONE && type == ARMul_DATA) - write_cp14_reg (reg, data); - - return result; -} - -static unsigned -XScale_cp14_STC (ARMul_State * state, unsigned type, ARMword instr, ARMword * data) -{ - unsigned reg = BITS (12, 15); - unsigned result; - - result = check_cp14_access (state, reg, 0, 0, 0); - - if (result == ARMul_DONE && type == ARMul_DATA) - * data = read_cp14_reg (reg); - - return result; -} - -static unsigned -XScale_cp14_MRC -( - ARMul_State * state, - unsigned type ATTRIBUTE_UNUSED, - ARMword instr, - ARMword * value -) -{ - unsigned reg = BITS (16, 19); - unsigned result; - - result = check_cp14_access (state, reg, BITS (0, 3), BITS (21, 23), BITS (5, 7)); - - if (result == ARMul_DONE) - * value = read_cp14_reg (reg); - - return result; -} - -static unsigned -XScale_cp14_MCR -( - ARMul_State * state, - unsigned type ATTRIBUTE_UNUSED, - ARMword instr, - ARMword value -) -{ - unsigned reg = BITS (16, 19); - unsigned result; - - result = check_cp14_access (state, reg, BITS (0, 3), BITS (21, 23), BITS (5, 7)); - - if (result == ARMul_DONE) - write_cp14_reg (reg, value); - - return result; -} - -static unsigned -XScale_cp14_read_reg -( - ARMul_State * state ATTRIBUTE_UNUSED, - unsigned reg, - ARMword * value -) -{ - * value = read_cp14_reg (reg); - - return TRUE; -} - -static unsigned -XScale_cp14_write_reg -( - ARMul_State * state ATTRIBUTE_UNUSED, - unsigned reg, - ARMword value -) -{ - write_cp14_reg (reg, value); - - return TRUE; -} - -/* Here's ARMulator's MMU definition. A few things to note: - 1) It has eight registers, but only two are defined. - 2) You can only access its registers with MCR and MRC. - 3) MMU Register 0 (ID) returns 0x41440110 - 4) Register 1 only has 4 bits defined. Bits 0 to 3 are unused, bit 4 - controls 32/26 bit program space, bit 5 controls 32/26 bit data space, - bit 6 controls late abort timimg and bit 7 controls big/little endian. */ - -static ARMword MMUReg[8]; - -static unsigned -MMUInit (ARMul_State * state) -{ - MMUReg[1] = state->prog32Sig << 4 | - state->data32Sig << 5 | state->lateabtSig << 6 | state->bigendSig << 7; - - ARMul_ConsolePrint (state, ", MMU present"); - - return TRUE; -} - -static unsigned -MMUMRC (ARMul_State * state ATTRIBUTE_UNUSED, - unsigned type ATTRIBUTE_UNUSED, - ARMword instr, - ARMword * value) -{ - int reg = BITS (16, 19) & 7; - - if (reg == 0) - *value = 0x41440110; - else - *value = MMUReg[reg]; - - return ARMul_DONE; -} - -static unsigned -MMUMCR (ARMul_State * state, - unsigned type ATTRIBUTE_UNUSED, - ARMword instr, - ARMword value) -{ - int reg = BITS (16, 19) & 7; - - MMUReg[reg] = value; - - if (reg == 1) - { - ARMword p,d,l,b; - - p = state->prog32Sig; - d = state->data32Sig; - l = state->lateabtSig; - b = state->bigendSig; - - state->prog32Sig = value >> 4 & 1; - state->data32Sig = value >> 5 & 1; - state->lateabtSig = value >> 6 & 1; - state->bigendSig = value >> 7 & 1; - - if ( p != state->prog32Sig - || d != state->data32Sig - || l != state->lateabtSig - || b != state->bigendSig) - /* Force ARMulator to notice these now. */ - state->Emulate = CHANGEMODE; - } - - return ARMul_DONE; -} - -static unsigned -MMURead (ARMul_State * state ATTRIBUTE_UNUSED, unsigned reg, ARMword * value) -{ - if (reg == 0) - *value = 0x41440110; - else if (reg < 8) - *value = MMUReg[reg]; - - return TRUE; -} - -static unsigned -MMUWrite (ARMul_State * state, unsigned reg, ARMword value) -{ - if (reg < 8) - MMUReg[reg] = value; - - if (reg == 1) - { - ARMword p,d,l,b; - - p = state->prog32Sig; - d = state->data32Sig; - l = state->lateabtSig; - b = state->bigendSig; - - state->prog32Sig = value >> 4 & 1; - state->data32Sig = value >> 5 & 1; - state->lateabtSig = value >> 6 & 1; - state->bigendSig = value >> 7 & 1; - - if ( p != state->prog32Sig - || d != state->data32Sig - || l != state->lateabtSig - || b != state->bigendSig) - /* Force ARMulator to notice these now. */ - state->Emulate = CHANGEMODE; - } - - return TRUE; -} - - -/* What follows is the Validation Suite Coprocessor. It uses two - co-processor numbers (4 and 5) and has the follwing functionality. - Sixteen registers. Both co-processor nuimbers can be used in an MCR - and MRC to access these registers. CP 4 can LDC and STC to and from - the registers. CP 4 and CP 5 CDP 0 will busy wait for the number of - cycles specified by a CP register. CP 5 CDP 1 issues a FIQ after a - number of cycles (specified in a CP register), CDP 2 issues an IRQW - in the same way, CDP 3 and 4 turn of the FIQ and IRQ source, and CDP 5 - stores a 32 bit time value in a CP register (actually it's the total - number of N, S, I, C and F cyles). */ - -static ARMword ValReg[16]; - -static unsigned -ValLDC (ARMul_State * state ATTRIBUTE_UNUSED, - unsigned type, - ARMword instr, - ARMword data) -{ - static unsigned words; - - if (type != ARMul_DATA) - words = 0; - else - { - ValReg[BITS (12, 15)] = data; - - if (BIT (22)) - /* It's a long access, get two words. */ - if (words++ != 4) - return ARMul_INC; - } - - return ARMul_DONE; -} - -static unsigned -ValSTC (ARMul_State * state ATTRIBUTE_UNUSED, - unsigned type, - ARMword instr, - ARMword * data) -{ - static unsigned words; - - if (type != ARMul_DATA) - words = 0; - else - { - * data = ValReg[BITS (12, 15)]; - - if (BIT (22)) - /* It's a long access, get two words. */ - if (words++ != 4) - return ARMul_INC; - } - - return ARMul_DONE; -} - -static unsigned -ValMRC (ARMul_State * state ATTRIBUTE_UNUSED, - unsigned type ATTRIBUTE_UNUSED, - ARMword instr, - ARMword * value) -{ - *value = ValReg[BITS (16, 19)]; - - return ARMul_DONE; -} - -static unsigned -ValMCR (ARMul_State * state ATTRIBUTE_UNUSED, - unsigned type ATTRIBUTE_UNUSED, - ARMword instr, - ARMword value) -{ - ValReg[BITS (16, 19)] = value; - - return ARMul_DONE; -} - -static unsigned -ValCDP (ARMul_State * state, unsigned type, ARMword instr) -{ - static unsigned long finish = 0; - - if (BITS (20, 23) != 0) - return ARMul_CANT; - - if (type == ARMul_FIRST) - { - ARMword howlong; - - howlong = ValReg[BITS (0, 3)]; - - /* First cycle of a busy wait. */ - finish = ARMul_Time (state) + howlong; - - return howlong == 0 ? ARMul_DONE : ARMul_BUSY; - } - else if (type == ARMul_BUSY) - { - if (ARMul_Time (state) >= finish) - return ARMul_DONE; - else - return ARMul_BUSY; - } - - return ARMul_CANT; -} - -static unsigned -DoAFIQ (ARMul_State * state) -{ - state->NfiqSig = LOW; - state->Exception++; - return 0; -} - -static unsigned -DoAIRQ (ARMul_State * state) -{ - state->NirqSig = LOW; - state->Exception++; - return 0; -} - -static unsigned -IntCDP (ARMul_State * state, unsigned type, ARMword instr) -{ - static unsigned long finish; - ARMword howlong; - - howlong = ValReg[BITS (0, 3)]; - - switch ((int) BITS (20, 23)) - { - case 0: - if (type == ARMul_FIRST) - { - /* First cycle of a busy wait. */ - finish = ARMul_Time (state) + howlong; - - return howlong == 0 ? ARMul_DONE : ARMul_BUSY; - } - else if (type == ARMul_BUSY) - { - if (ARMul_Time (state) >= finish) - return ARMul_DONE; - else - return ARMul_BUSY; - } - return ARMul_DONE; - - case 1: - if (howlong == 0) - ARMul_Abort (state, ARMul_FIQV); - else - ARMul_ScheduleEvent (state, howlong, DoAFIQ); - return ARMul_DONE; - - case 2: - if (howlong == 0) - ARMul_Abort (state, ARMul_IRQV); - else - ARMul_ScheduleEvent (state, howlong, DoAIRQ); - return ARMul_DONE; - - case 3: - state->NfiqSig = HIGH; - state->Exception--; - return ARMul_DONE; - - case 4: - state->NirqSig = HIGH; - state->Exception--; - return ARMul_DONE; - - case 5: - ValReg[BITS (0, 3)] = ARMul_Time (state); - return ARMul_DONE; - } - - return ARMul_CANT; -} - -/***************************************************************************\ -* Install co-processor instruction handlers in this routine * -\***************************************************************************/ - -unsigned -ARMul_CoProInit (ARMul_State * state) -{ - unsigned int i; - - /* Initialise tham all first. */ - for (i = 0; i < 16; i++) - ARMul_CoProDetach (state, i); - - /* Install CoPro Instruction handlers here. - The format is: - ARMul_CoProAttach (state, CP Number, - Init routine, Exit routine - LDC routine, STC routine, - MRC routine, MCR routine, - CDP routine, - Read Reg routine, Write Reg routine). */ - ARMul_CoProAttach (state, 4, NULL, NULL, - ValLDC, ValSTC, ValMRC, ValMCR, ValCDP, NULL, NULL); - - ARMul_CoProAttach (state, 5, NULL, NULL, - NULL, NULL, ValMRC, ValMCR, IntCDP, NULL, NULL); - - ARMul_CoProAttach (state, 15, MMUInit, NULL, - NULL, NULL, MMUMRC, MMUMCR, NULL, MMURead, MMUWrite); - - ARMul_CoProAttach (state, 13, XScale_cp13_init, NULL, - XScale_cp13_LDC, XScale_cp13_STC, XScale_cp13_MRC, - XScale_cp13_MCR, NULL, XScale_cp13_read_reg, - XScale_cp13_write_reg); - - ARMul_CoProAttach (state, 14, XScale_cp14_init, NULL, - XScale_cp14_LDC, XScale_cp14_STC, XScale_cp14_MRC, - XScale_cp14_MCR, NULL, XScale_cp14_read_reg, - XScale_cp14_write_reg); - - ARMul_CoProAttach (state, 15, XScale_cp15_init, NULL, - NULL, NULL, XScale_cp15_MRC, XScale_cp15_MCR, - NULL, XScale_cp15_read_reg, XScale_cp15_write_reg); - - /* No handlers below here. */ - - /* Call all the initialisation routines. */ - for (i = 0; i < 16; i++) - if (state->CPInit[i]) - (state->CPInit[i]) (state); - - return TRUE; -} - -/***************************************************************************\ -* Install co-processor finalisation routines in this routine * -\***************************************************************************/ - -void -ARMul_CoProExit (ARMul_State * state) -{ - register unsigned i; - - for (i = 0; i < 16; i++) - if (state->CPExit[i]) - (state->CPExit[i]) (state); - - for (i = 0; i < 16; i++) /* Detach all handlers. */ - ARMul_CoProDetach (state, i); -} - -/***************************************************************************\ -* Routines to hook Co-processors into ARMulator * -\***************************************************************************/ - -void -ARMul_CoProAttach (ARMul_State * state, - unsigned number, - ARMul_CPInits * init, - ARMul_CPExits * exit, - ARMul_LDCs * ldc, - ARMul_STCs * stc, - ARMul_MRCs * mrc, - ARMul_MCRs * mcr, - ARMul_CDPs * cdp, - ARMul_CPReads * read, - ARMul_CPWrites * write) -{ - if (init != NULL) - state->CPInit[number] = init; - if (exit != NULL) - state->CPExit[number] = exit; - if (ldc != NULL) - state->LDC[number] = ldc; - if (stc != NULL) - state->STC[number] = stc; - if (mrc != NULL) - state->MRC[number] = mrc; - if (mcr != NULL) - state->MCR[number] = mcr; - if (cdp != NULL) - state->CDP[number] = cdp; - if (read != NULL) - state->CPRead[number] = read; - if (write != NULL) - state->CPWrite[number] = write; -} - -void -ARMul_CoProDetach (ARMul_State * state, unsigned number) -{ - ARMul_CoProAttach (state, number, NULL, NULL, - NoCoPro4R, NoCoPro4W, NoCoPro4W, NoCoPro4R, - NoCoPro3R, NULL, NULL); - - state->CPInit[number] = NULL; - state->CPExit[number] = NULL; - state->CPRead[number] = NULL; - state->CPWrite[number] = NULL; -} diff --git a/sim/arm/armdefs.h b/sim/arm/armdefs.h deleted file mode 100644 index fde31251633..00000000000 --- a/sim/arm/armdefs.h +++ /dev/null @@ -1,416 +0,0 @@ -/* armdefs.h -- ARMulator common definitions: ARM6 Instruction Emulator. - Copyright (C) 1994 Advanced RISC Machines Ltd. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#include <stdio.h> -#include <stdlib.h> - -#define FALSE 0 -#define TRUE 1 -#define LOW 0 -#define HIGH 1 -#define LOWHIGH 1 -#define HIGHLOW 2 - -#ifndef __STDC__ -typedef char *VoidStar; -#endif - -typedef unsigned long ARMword; /* must be 32 bits wide */ -typedef unsigned long long ARMdword; /* Must be at least 64 bits wide. */ -typedef struct ARMul_State ARMul_State; - -typedef unsigned ARMul_CPInits (ARMul_State * state); -typedef unsigned ARMul_CPExits (ARMul_State * state); -typedef unsigned ARMul_LDCs (ARMul_State * state, unsigned type, - ARMword instr, ARMword value); -typedef unsigned ARMul_STCs (ARMul_State * state, unsigned type, - ARMword instr, ARMword * value); -typedef unsigned ARMul_MRCs (ARMul_State * state, unsigned type, - ARMword instr, ARMword * value); -typedef unsigned ARMul_MCRs (ARMul_State * state, unsigned type, - ARMword instr, ARMword value); -typedef unsigned ARMul_CDPs (ARMul_State * state, unsigned type, - ARMword instr); -typedef unsigned ARMul_CPReads (ARMul_State * state, unsigned reg, - ARMword * value); -typedef unsigned ARMul_CPWrites (ARMul_State * state, unsigned reg, - ARMword value); - -struct ARMul_State -{ - ARMword Emulate; /* to start and stop emulation */ - unsigned EndCondition; /* reason for stopping */ - unsigned ErrorCode; /* type of illegal instruction */ - ARMword Reg[16]; /* the current register file */ - ARMword RegBank[7][16]; /* all the registers */ - /* 40 bit accumulator. We always keep this 64 bits wide, - and move only 40 bits out of it in an MRA insn. */ - ARMdword Accumulator; - ARMword Cpsr; /* the current psr */ - ARMword Spsr[7]; /* the exception psr's */ - ARMword NFlag, ZFlag, CFlag, VFlag, IFFlags; /* dummy flags for speed */ - ARMword SFlag; -#ifdef MODET - ARMword TFlag; /* Thumb state */ -#endif - ARMword Bank; /* the current register bank */ - ARMword Mode; /* the current mode */ - ARMword instr, pc, temp; /* saved register state */ - ARMword loaded, decoded; /* saved pipeline state */ - unsigned long NumScycles, NumNcycles, NumIcycles, NumCcycles, NumFcycles; /* emulated cycles used */ - unsigned long NumInstrs; /* the number of instructions executed */ - unsigned NextInstr; - unsigned VectorCatch; /* caught exception mask */ - unsigned CallDebug; /* set to call the debugger */ - unsigned CanWatch; /* set by memory interface if its willing to suffer the - overhead of checking for watchpoints on each memory - access */ - unsigned MemReadDebug, MemWriteDebug; - unsigned long StopHandle; - - unsigned char *MemDataPtr; /* admin data */ - unsigned char *MemInPtr; /* the Data In bus */ - unsigned char *MemOutPtr; /* the Data Out bus (which you may not need */ - unsigned char *MemSparePtr; /* extra space */ - ARMword MemSize; - - unsigned char *OSptr; /* OS Handle */ - char *CommandLine; /* Command Line from ARMsd */ - - ARMul_CPInits *CPInit[16]; /* coprocessor initialisers */ - ARMul_CPExits *CPExit[16]; /* coprocessor finalisers */ - ARMul_LDCs *LDC[16]; /* LDC instruction */ - ARMul_STCs *STC[16]; /* STC instruction */ - ARMul_MRCs *MRC[16]; /* MRC instruction */ - ARMul_MCRs *MCR[16]; /* MCR instruction */ - ARMul_CDPs *CDP[16]; /* CDP instruction */ - ARMul_CPReads *CPRead[16]; /* Read CP register */ - ARMul_CPWrites *CPWrite[16]; /* Write CP register */ - unsigned char *CPData[16]; /* Coprocessor data */ - unsigned char const *CPRegWords[16]; /* map of coprocessor register sizes */ - unsigned long LastTime; /* Value of last call to ARMul_Time() */ - ARMword CP14R0_CCD; /* used to count 64 clock cycles with CP14 R0 bit - 3 set */ - - unsigned EventSet; /* the number of events in the queue */ - unsigned long Now; /* time to the nearest cycle */ - struct EventNode **EventPtr; /* the event list */ - - unsigned Exception; /* enable the next four values */ - unsigned Debug; /* show instructions as they are executed */ - unsigned NresetSig; /* reset the processor */ - unsigned NfiqSig; - unsigned NirqSig; - - unsigned abortSig; - unsigned NtransSig; - unsigned bigendSig; - unsigned prog32Sig; - unsigned data32Sig; - unsigned lateabtSig; - ARMword Vector; /* synthesize aborts in cycle modes */ - ARMword Aborted; /* sticky flag for aborts */ - ARMword Reseted; /* sticky flag for Reset */ - ARMword Inted, LastInted; /* sticky flags for interrupts */ - ARMword Base; /* extra hand for base writeback */ - ARMword AbortAddr; /* to keep track of Prefetch aborts */ - - const struct Dbg_HostosInterface *hostif; - - unsigned is_v4; /* Are we emulating a v4 architecture (or higher) ? */ - unsigned is_v5; /* Are we emulating a v5 architecture ? */ - unsigned is_v5e; /* Are we emulating a v5e architecture ? */ - unsigned is_XScale; /* Are we emulating an XScale architecture ? */ - unsigned verbose; /* Print various messages like the banner */ -}; - -#define ResetPin NresetSig -#define FIQPin NfiqSig -#define IRQPin NirqSig -#define AbortPin abortSig -#define TransPin NtransSig -#define BigEndPin bigendSig -#define Prog32Pin prog32Sig -#define Data32Pin data32Sig -#define LateAbortPin lateabtSig - -/***************************************************************************\ -* Properties of ARM we know about * -\***************************************************************************/ - -/* The bitflags */ -#define ARM_Fix26_Prop 0x01 -#define ARM_Nexec_Prop 0x02 -#define ARM_Debug_Prop 0x10 -#define ARM_Isync_Prop ARM_Debug_Prop -#define ARM_Lock_Prop 0x20 -#define ARM_v4_Prop 0x40 -#define ARM_v5_Prop 0x80 -#define ARM_v5e_Prop 0x100 -#define ARM_XScale_Prop 0x200 - -/***************************************************************************\ -* Macros to extract instruction fields * -\***************************************************************************/ - -#define BIT(n) ( (ARMword)(instr>>(n))&1) /* bit n of instruction */ -#define BITS(m,n) ( (ARMword)(instr<<(31-(n))) >> ((31-(n))+(m)) ) /* bits m to n of instr */ -#define TOPBITS(n) (instr >> (n)) /* bits 31 to n of instr */ - -/***************************************************************************\ -* The hardware vector addresses * -\***************************************************************************/ - -#define ARMResetV 0L -#define ARMUndefinedInstrV 4L -#define ARMSWIV 8L -#define ARMPrefetchAbortV 12L -#define ARMDataAbortV 16L -#define ARMAddrExceptnV 20L -#define ARMIRQV 24L -#define ARMFIQV 28L -#define ARMErrorV 32L /* This is an offset, not an address ! */ - -#define ARMul_ResetV ARMResetV -#define ARMul_UndefinedInstrV ARMUndefinedInstrV -#define ARMul_SWIV ARMSWIV -#define ARMul_PrefetchAbortV ARMPrefetchAbortV -#define ARMul_DataAbortV ARMDataAbortV -#define ARMul_AddrExceptnV ARMAddrExceptnV -#define ARMul_IRQV ARMIRQV -#define ARMul_FIQV ARMFIQV - -/***************************************************************************\ -* Mode and Bank Constants * -\***************************************************************************/ - -#define USER26MODE 0L -#define FIQ26MODE 1L -#define IRQ26MODE 2L -#define SVC26MODE 3L -#define USER32MODE 16L -#define FIQ32MODE 17L -#define IRQ32MODE 18L -#define SVC32MODE 19L -#define ABORT32MODE 23L -#define UNDEF32MODE 27L -#define SYSTEMMODE 31L - -#define ARM32BITMODE (state->Mode > 3) -#define ARM26BITMODE (state->Mode <= 3) -#define ARMMODE (state->Mode) -#define ARMul_MODEBITS 0x1fL -#define ARMul_MODE32BIT ARM32BITMODE -#define ARMul_MODE26BIT ARM26BITMODE - -#define USERBANK 0 -#define FIQBANK 1 -#define IRQBANK 2 -#define SVCBANK 3 -#define ABORTBANK 4 -#define UNDEFBANK 5 -#define DUMMYBANK 6 -#define SYSTEMBANK USERBANK - -#define BANK_CAN_ACCESS_SPSR(bank) \ - ((bank) != USERBANK && (bank) != SYSTEMBANK && (bank) != DUMMYBANK) - -/***************************************************************************\ -* Definitons of things in the emulator * -\***************************************************************************/ - -extern void ARMul_EmulateInit (void); -extern ARMul_State *ARMul_NewState (void); -extern void ARMul_Reset (ARMul_State * state); -extern ARMword ARMul_DoProg (ARMul_State * state); -extern ARMword ARMul_DoInstr (ARMul_State * state); - -/***************************************************************************\ -* Definitons of things for event handling * -\***************************************************************************/ - -extern void ARMul_ScheduleEvent (ARMul_State * state, unsigned long delay, - unsigned (*func) ()); -extern void ARMul_EnvokeEvent (ARMul_State * state); -extern unsigned long ARMul_Time (ARMul_State * state); - -/***************************************************************************\ -* Useful support routines * -\***************************************************************************/ - -extern ARMword ARMul_GetReg (ARMul_State * state, unsigned mode, - unsigned reg); -extern void ARMul_SetReg (ARMul_State * state, unsigned mode, unsigned reg, - ARMword value); -extern ARMword ARMul_GetPC (ARMul_State * state); -extern ARMword ARMul_GetNextPC (ARMul_State * state); -extern void ARMul_SetPC (ARMul_State * state, ARMword value); -extern ARMword ARMul_GetR15 (ARMul_State * state); -extern void ARMul_SetR15 (ARMul_State * state, ARMword value); - -extern ARMword ARMul_GetCPSR (ARMul_State * state); -extern void ARMul_SetCPSR (ARMul_State * state, ARMword value); -extern ARMword ARMul_GetSPSR (ARMul_State * state, ARMword mode); -extern void ARMul_SetSPSR (ARMul_State * state, ARMword mode, ARMword value); - -/***************************************************************************\ -* Definitons of things to handle aborts * -\***************************************************************************/ - -extern void ARMul_Abort (ARMul_State * state, ARMword address); -#define ARMul_ABORTWORD 0xefffffff /* SWI -1 */ -#define ARMul_PREFETCHABORT(address) if (state->AbortAddr == 1) \ - state->AbortAddr = (address & ~3L) -#define ARMul_DATAABORT(address) state->abortSig = HIGH ; \ - state->Aborted = ARMul_DataAbortV ; -#define ARMul_CLEARABORT state->abortSig = LOW - -/***************************************************************************\ -* Definitons of things in the memory interface * -\***************************************************************************/ - -extern unsigned ARMul_MemoryInit (ARMul_State * state, - unsigned long initmemsize); -extern void ARMul_MemoryExit (ARMul_State * state); - -extern ARMword ARMul_LoadInstrS (ARMul_State * state, ARMword address, - ARMword isize); -extern ARMword ARMul_LoadInstrN (ARMul_State * state, ARMword address, - ARMword isize); -extern ARMword ARMul_ReLoadInstr (ARMul_State * state, ARMword address, - ARMword isize); - -extern ARMword ARMul_LoadWordS (ARMul_State * state, ARMword address); -extern ARMword ARMul_LoadWordN (ARMul_State * state, ARMword address); -extern ARMword ARMul_LoadHalfWord (ARMul_State * state, ARMword address); -extern ARMword ARMul_LoadByte (ARMul_State * state, ARMword address); - -extern void ARMul_StoreWordS (ARMul_State * state, ARMword address, - ARMword data); -extern void ARMul_StoreWordN (ARMul_State * state, ARMword address, - ARMword data); -extern void ARMul_StoreHalfWord (ARMul_State * state, ARMword address, - ARMword data); -extern void ARMul_StoreByte (ARMul_State * state, ARMword address, - ARMword data); - -extern ARMword ARMul_SwapWord (ARMul_State * state, ARMword address, - ARMword data); -extern ARMword ARMul_SwapByte (ARMul_State * state, ARMword address, - ARMword data); - -extern void ARMul_Icycles (ARMul_State * state, unsigned number, - ARMword address); -extern void ARMul_Ccycles (ARMul_State * state, unsigned number, - ARMword address); - -extern ARMword ARMul_ReadWord (ARMul_State * state, ARMword address); -extern ARMword ARMul_ReadByte (ARMul_State * state, ARMword address); -extern ARMword ARMul_SafeReadByte (ARMul_State * state, ARMword address); -extern void ARMul_WriteWord (ARMul_State * state, ARMword address, - ARMword data); -extern void ARMul_WriteByte (ARMul_State * state, ARMword address, - ARMword data); -extern void ARMul_SafeWriteByte (ARMul_State * state, ARMword address, - ARMword data); - -extern ARMword ARMul_MemAccess (ARMul_State * state, ARMword, ARMword, - ARMword, ARMword, ARMword, ARMword, ARMword, - ARMword, ARMword, ARMword); - -/***************************************************************************\ -* Definitons of things in the co-processor interface * -\***************************************************************************/ - -#define ARMul_FIRST 0 -#define ARMul_TRANSFER 1 -#define ARMul_BUSY 2 -#define ARMul_DATA 3 -#define ARMul_INTERRUPT 4 -#define ARMul_DONE 0 -#define ARMul_CANT 1 -#define ARMul_INC 3 - -#define ARMul_CP13_R0_FIQ 0x1 -#define ARMul_CP13_R0_IRQ 0x2 -#define ARMul_CP13_R8_PMUS 0x1 - -#define ARMul_CP14_R0_ENABLE 0x0001 -#define ARMul_CP14_R0_CLKRST 0x0004 -#define ARMul_CP14_R0_CCD 0x0008 -#define ARMul_CP14_R0_INTEN0 0x0010 -#define ARMul_CP14_R0_INTEN1 0x0020 -#define ARMul_CP14_R0_INTEN2 0x0040 -#define ARMul_CP14_R0_FLAG0 0x0100 -#define ARMul_CP14_R0_FLAG1 0x0200 -#define ARMul_CP14_R0_FLAG2 0x0400 -#define ARMul_CP14_R10_MOE_IB 0x0004 -#define ARMul_CP14_R10_MOE_DB 0x0008 -#define ARMul_CP14_R10_MOE_BT 0x000c -#define ARMul_CP15_R1_ENDIAN 0x0080 -#define ARMul_CP15_R1_ALIGN 0x0002 -#define ARMul_CP15_R5_X 0x0400 -#define ARMul_CP15_R5_ST_ALIGN 0x0001 -#define ARMul_CP15_R5_IMPRE 0x0406 -#define ARMul_CP15_R5_MMU_EXCPT 0x0400 -#define ARMul_CP15_DBCON_M 0x0100 -#define ARMul_CP15_DBCON_E1 0x000c -#define ARMul_CP15_DBCON_E0 0x0003 - -extern unsigned ARMul_CoProInit (ARMul_State * state); -extern void ARMul_CoProExit (ARMul_State * state); -extern void ARMul_CoProAttach (ARMul_State * state, unsigned number, - ARMul_CPInits * init, ARMul_CPExits * exit, - ARMul_LDCs * ldc, ARMul_STCs * stc, - ARMul_MRCs * mrc, ARMul_MCRs * mcr, - ARMul_CDPs * cdp, - ARMul_CPReads * read, ARMul_CPWrites * write); -extern void ARMul_CoProDetach (ARMul_State * state, unsigned number); -extern void XScale_check_memacc (ARMul_State * state, ARMword * address, - int store); -extern void XScale_set_fsr_far (ARMul_State * state, ARMword fsr, ARMword far); -extern int XScale_debug_moe (ARMul_State * state, int moe); - -/***************************************************************************\ -* Definitons of things in the host environment * -\***************************************************************************/ - -extern unsigned ARMul_OSInit (ARMul_State * state); -extern void ARMul_OSExit (ARMul_State * state); -extern unsigned ARMul_OSHandleSWI (ARMul_State * state, ARMword number); -extern ARMword ARMul_OSLastErrorP (ARMul_State * state); - -extern ARMword ARMul_Debug (ARMul_State * state, ARMword pc, ARMword instr); -extern unsigned ARMul_OSException (ARMul_State * state, ARMword vector, - ARMword pc); -extern int rdi_log; - -/***************************************************************************\ -* Host-dependent stuff * -\***************************************************************************/ - -#ifdef macintosh -pascal void SpinCursor (short increment); /* copied from CursorCtl.h */ -# define HOURGLASS SpinCursor( 1 ) -# define HOURGLASS_RATE 1023 /* 2^n - 1 */ -#endif - -extern void ARMul_UndefInstr (ARMul_State *, ARMword); -extern void ARMul_FixCPSR (ARMul_State *, ARMword, ARMword); -extern void ARMul_FixSPSR (ARMul_State *, ARMword, ARMword); -extern void ARMul_ConsolePrint (ARMul_State *, const char *, ...); -extern void ARMul_SelectProcessor (ARMul_State *, unsigned); diff --git a/sim/arm/armemu.c b/sim/arm/armemu.c deleted file mode 100644 index 4edac6f4112..00000000000 --- a/sim/arm/armemu.c +++ /dev/null @@ -1,4847 +0,0 @@ -/* armemu.c -- Main instruction emulation: ARM7 Instruction Emulator. - Copyright (C) 1994 Advanced RISC Machines Ltd. - Modifications to add arch. v4 support by <jsmith@cygnus.com>. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#include "armdefs.h" -#include "armemu.h" -#include "armos.h" - -static ARMword GetDPRegRHS (ARMul_State * state, ARMword instr); -static ARMword GetDPSRegRHS (ARMul_State * state, ARMword instr); -static void WriteR15 (ARMul_State * state, ARMword src); -static void WriteSR15 (ARMul_State * state, ARMword src); -static void WriteR15Branch (ARMul_State * state, ARMword src); -static ARMword GetLSRegRHS (ARMul_State * state, ARMword instr); -static ARMword GetLS7RHS (ARMul_State * state, ARMword instr); -static unsigned LoadWord (ARMul_State * state, ARMword instr, - ARMword address); -static unsigned LoadHalfWord (ARMul_State * state, ARMword instr, - ARMword address, int signextend); -static unsigned LoadByte (ARMul_State * state, ARMword instr, ARMword address, - int signextend); -static unsigned StoreWord (ARMul_State * state, ARMword instr, - ARMword address); -static unsigned StoreHalfWord (ARMul_State * state, ARMword instr, - ARMword address); -static unsigned StoreByte (ARMul_State * state, ARMword instr, - ARMword address); -static void LoadMult (ARMul_State * state, ARMword address, ARMword instr, - ARMword WBBase); -static void StoreMult (ARMul_State * state, ARMword address, ARMword instr, - ARMword WBBase); -static void LoadSMult (ARMul_State * state, ARMword address, ARMword instr, - ARMword WBBase); -static void StoreSMult (ARMul_State * state, ARMword address, ARMword instr, - ARMword WBBase); -static unsigned Multiply64 (ARMul_State * state, ARMword instr, - int signextend, int scc); -static unsigned MultiplyAdd64 (ARMul_State * state, ARMword instr, - int signextend, int scc); -static void Handle_Load_Double (ARMul_State * state, ARMword instr); -static void Handle_Store_Double (ARMul_State * state, ARMword instr); - -#define LUNSIGNED (0) /* unsigned operation */ -#define LSIGNED (1) /* signed operation */ -#define LDEFAULT (0) /* default : do nothing */ -#define LSCC (1) /* set condition codes on result */ - -#ifdef NEED_UI_LOOP_HOOK -/* How often to run the ui_loop update, when in use */ -#define UI_LOOP_POLL_INTERVAL 0x32000 - -/* Counter for the ui_loop_hook update */ -static long ui_loop_hook_counter = UI_LOOP_POLL_INTERVAL; - -/* Actual hook to call to run through gdb's gui event loop */ -extern int (*ui_loop_hook) (int); -#endif /* NEED_UI_LOOP_HOOK */ - -extern int stop_simulator; - -/***************************************************************************\ -* short-hand macros for LDR/STR * -\***************************************************************************/ - -/* store post decrement writeback */ -#define SHDOWNWB() \ - lhs = LHS ; \ - if (StoreHalfWord(state, instr, lhs)) \ - LSBase = lhs - GetLS7RHS(state, instr) ; - -/* store post increment writeback */ -#define SHUPWB() \ - lhs = LHS ; \ - if (StoreHalfWord(state, instr, lhs)) \ - LSBase = lhs + GetLS7RHS(state, instr) ; - -/* store pre decrement */ -#define SHPREDOWN() \ - (void)StoreHalfWord(state, instr, LHS - GetLS7RHS(state, instr)) ; - -/* store pre decrement writeback */ -#define SHPREDOWNWB() \ - temp = LHS - GetLS7RHS(state, instr) ; \ - if (StoreHalfWord(state, instr, temp)) \ - LSBase = temp ; - -/* store pre increment */ -#define SHPREUP() \ - (void)StoreHalfWord(state, instr, LHS + GetLS7RHS(state, instr)) ; - -/* store pre increment writeback */ -#define SHPREUPWB() \ - temp = LHS + GetLS7RHS(state, instr) ; \ - if (StoreHalfWord(state, instr, temp)) \ - LSBase = temp ; - -/* Load post decrement writeback. */ -#define LHPOSTDOWN() \ -{ \ - int done = 1; \ - lhs = LHS; \ - temp = lhs - GetLS7RHS (state, instr); \ - \ - switch (BITS (5, 6)) \ - { \ - case 1: /* H */ \ - if (LoadHalfWord (state, instr, lhs, LUNSIGNED)) \ - LSBase = temp; \ - break; \ - case 2: /* SB */ \ - if (LoadByte (state, instr, lhs, LSIGNED)) \ - LSBase = temp; \ - break; \ - case 3: /* SH */ \ - if (LoadHalfWord (state, instr, lhs, LSIGNED)) \ - LSBase = temp; \ - break; \ - case 0: /* SWP handled elsewhere. */ \ - default: \ - done = 0; \ - break; \ - } \ - if (done) \ - break; \ -} - -/* Load post increment writeback. */ -#define LHPOSTUP() \ -{ \ - int done = 1; \ - lhs = LHS; \ - temp = lhs + GetLS7RHS (state, instr); \ - \ - switch (BITS (5, 6)) \ - { \ - case 1: /* H */ \ - if (LoadHalfWord (state, instr, lhs, LUNSIGNED)) \ - LSBase = temp; \ - break; \ - case 2: /* SB */ \ - if (LoadByte (state, instr, lhs, LSIGNED)) \ - LSBase = temp; \ - break; \ - case 3: /* SH */ \ - if (LoadHalfWord (state, instr, lhs, LSIGNED)) \ - LSBase = temp; \ - break; \ - case 0: /* SWP handled elsewhere. */ \ - default: \ - done = 0; \ - break; \ - } \ - if (done) \ - break; \ -} - - -/* load pre decrement */ -#define LHPREDOWN() \ -{ \ - int done = 1 ; \ - temp = LHS - GetLS7RHS(state,instr) ; \ - switch (BITS(5,6)) { \ - case 1: /* H */ \ - (void)LoadHalfWord(state,instr,temp,LUNSIGNED) ; \ - break ; \ - case 2: /* SB */ \ - (void)LoadByte(state,instr,temp,LSIGNED) ; \ - break ; \ - case 3: /* SH */ \ - (void)LoadHalfWord(state,instr,temp,LSIGNED) ; \ - break ; \ - case 0: /* SWP handled elsewhere */ \ - default: \ - done = 0 ; \ - break ; \ - } \ - if (done) \ - break ; \ -} - -/* load pre decrement writeback */ -#define LHPREDOWNWB() \ -{ \ - int done = 1 ; \ - temp = LHS - GetLS7RHS(state, instr) ; \ - switch (BITS(5,6)) { \ - case 1: /* H */ \ - if (LoadHalfWord(state,instr,temp,LUNSIGNED)) \ - LSBase = temp ; \ - break ; \ - case 2: /* SB */ \ - if (LoadByte(state,instr,temp,LSIGNED)) \ - LSBase = temp ; \ - break ; \ - case 3: /* SH */ \ - if (LoadHalfWord(state,instr,temp,LSIGNED)) \ - LSBase = temp ; \ - break ; \ - case 0: /* SWP handled elsewhere */ \ - default: \ - done = 0 ; \ - break ; \ - } \ - if (done) \ - break ; \ -} - -/* load pre increment */ -#define LHPREUP() \ -{ \ - int done = 1 ; \ - temp = LHS + GetLS7RHS(state,instr) ; \ - switch (BITS(5,6)) { \ - case 1: /* H */ \ - (void)LoadHalfWord(state,instr,temp,LUNSIGNED) ; \ - break ; \ - case 2: /* SB */ \ - (void)LoadByte(state,instr,temp,LSIGNED) ; \ - break ; \ - case 3: /* SH */ \ - (void)LoadHalfWord(state,instr,temp,LSIGNED) ; \ - break ; \ - case 0: /* SWP handled elsewhere */ \ - default: \ - done = 0 ; \ - break ; \ - } \ - if (done) \ - break ; \ -} - -/* load pre increment writeback */ -#define LHPREUPWB() \ -{ \ - int done = 1 ; \ - temp = LHS + GetLS7RHS(state, instr) ; \ - switch (BITS(5,6)) { \ - case 1: /* H */ \ - if (LoadHalfWord(state,instr,temp,LUNSIGNED)) \ - LSBase = temp ; \ - break ; \ - case 2: /* SB */ \ - if (LoadByte(state,instr,temp,LSIGNED)) \ - LSBase = temp ; \ - break ; \ - case 3: /* SH */ \ - if (LoadHalfWord(state,instr,temp,LSIGNED)) \ - LSBase = temp ; \ - break ; \ - case 0: /* SWP handled elsewhere */ \ - default: \ - done = 0 ; \ - break ; \ - } \ - if (done) \ - break ; \ -} - -/***************************************************************************\ -* EMULATION of ARM6 * -\***************************************************************************/ - -/* The PC pipeline value depends on whether ARM or Thumb instructions - are being executed: */ -ARMword isize; - -ARMword -#ifdef MODE32 -ARMul_Emulate32 (register ARMul_State * state) -#else -ARMul_Emulate26 (register ARMul_State * state) -#endif -{ - register ARMword instr, /* the current instruction */ - dest = 0, /* almost the DestBus */ - temp, /* ubiquitous third hand */ - pc = 0; /* the address of the current instruction */ - ARMword lhs, rhs; /* almost the ABus and BBus */ - ARMword decoded = 0, loaded = 0; /* instruction pipeline */ - -/***************************************************************************\ -* Execute the next instruction * -\***************************************************************************/ - - if (state->NextInstr < PRIMEPIPE) - { - decoded = state->decoded; - loaded = state->loaded; - pc = state->pc; - } - - do - { /* just keep going */ - isize = INSN_SIZE; - switch (state->NextInstr) - { - case SEQ: - state->Reg[15] += isize; /* Advance the pipeline, and an S cycle */ - pc += isize; - instr = decoded; - decoded = loaded; - loaded = ARMul_LoadInstrS (state, pc + (isize * 2), isize); - break; - - case NONSEQ: - state->Reg[15] += isize; /* Advance the pipeline, and an N cycle */ - pc += isize; - instr = decoded; - decoded = loaded; - loaded = ARMul_LoadInstrN (state, pc + (isize * 2), isize); - NORMALCYCLE; - break; - - case PCINCEDSEQ: - pc += isize; /* Program counter advanced, and an S cycle */ - instr = decoded; - decoded = loaded; - loaded = ARMul_LoadInstrS (state, pc + (isize * 2), isize); - NORMALCYCLE; - break; - - case PCINCEDNONSEQ: - pc += isize; /* Program counter advanced, and an N cycle */ - instr = decoded; - decoded = loaded; - loaded = ARMul_LoadInstrN (state, pc + (isize * 2), isize); - NORMALCYCLE; - break; - - case RESUME: /* The program counter has been changed */ - pc = state->Reg[15]; -#ifndef MODE32 - pc = pc & R15PCBITS; -#endif - state->Reg[15] = pc + (isize * 2); - state->Aborted = 0; - instr = ARMul_ReLoadInstr (state, pc, isize); - decoded = ARMul_ReLoadInstr (state, pc + isize, isize); - loaded = ARMul_ReLoadInstr (state, pc + isize * 2, isize); - NORMALCYCLE; - break; - - default: /* The program counter has been changed */ - pc = state->Reg[15]; -#ifndef MODE32 - pc = pc & R15PCBITS; -#endif - state->Reg[15] = pc + (isize * 2); - state->Aborted = 0; - instr = ARMul_LoadInstrN (state, pc, isize); - decoded = ARMul_LoadInstrS (state, pc + (isize), isize); - loaded = ARMul_LoadInstrS (state, pc + (isize * 2), isize); - NORMALCYCLE; - break; - } - if (state->EventSet) - ARMul_EnvokeEvent (state); - -#if 0 - /* Enable this for a helpful bit of debugging when tracing is needed. */ - fprintf (stderr, "pc: %x, instr: %x\n", pc & ~1, instr); - if (instr == 0) - abort (); -#endif - - if (state->Exception) - { /* Any exceptions */ - if (state->NresetSig == LOW) - { - ARMul_Abort (state, ARMul_ResetV); - break; - } - else if (!state->NfiqSig && !FFLAG) - { - ARMul_Abort (state, ARMul_FIQV); - break; - } - else if (!state->NirqSig && !IFLAG) - { - ARMul_Abort (state, ARMul_IRQV); - break; - } - } - - if (state->CallDebug > 0) - { - instr = ARMul_Debug (state, pc, instr); - if (state->Emulate < ONCE) - { - state->NextInstr = RESUME; - break; - } - if (state->Debug) - { - fprintf (stderr, "sim: At %08lx Instr %08lx Mode %02lx\n", pc, instr, - state->Mode); - (void) fgetc (stdin); - } - } - else if (state->Emulate < ONCE) - { - state->NextInstr = RESUME; - break; - } - - state->NumInstrs++; - -#ifdef MODET - /* Provide Thumb instruction decoding. If the processor is in Thumb - mode, then we can simply decode the Thumb instruction, and map it - to the corresponding ARM instruction (by directly loading the - instr variable, and letting the normal ARM simulator - execute). There are some caveats to ensure that the correct - pipelined PC value is used when executing Thumb code, and also for - dealing with the BL instruction. */ - if (TFLAG) - { /* check if in Thumb mode */ - ARMword new; - switch (ARMul_ThumbDecode (state, pc, instr, &new)) - { - case t_undefined: - ARMul_UndefInstr (state, instr); /* This is a Thumb instruction */ - goto donext; - - case t_branch: /* already processed */ - goto donext; - - case t_decoded: /* ARM instruction available */ - instr = new; /* so continue instruction decoding */ - break; - } - } -#endif - -/***************************************************************************\ -* Check the condition codes * -\***************************************************************************/ - if ((temp = TOPBITS (28)) == AL) - goto mainswitch; /* vile deed in the need for speed */ - - switch ((int) TOPBITS (28)) - { /* check the condition code */ - case AL: - temp = TRUE; - break; - case NV: - if (state->is_v5) - { - if (BITS (25, 27) == 5) /* BLX(1) */ - { - ARMword dest; - - state->Reg[14] = pc + 4; - - dest = pc + 8 + 1; /* Force entry into Thumb mode. */ - if (BIT (23)) - dest += (NEGBRANCH + (BIT (24) << 1)); - else - dest += POSBRANCH + (BIT (24) << 1); - - WriteR15Branch (state, dest); - goto donext; - } - else if ((instr & 0xFC70F000) == 0xF450F000) - /* The PLD instruction. Ignored. */ - goto donext; - else - /* UNDEFINED in v5, UNPREDICTABLE in v3, v4, non executed in v1, v2. */ - ARMul_UndefInstr (state, instr); - } - temp = FALSE; - break; - case EQ: - temp = ZFLAG; - break; - case NE: - temp = !ZFLAG; - break; - case VS: - temp = VFLAG; - break; - case VC: - temp = !VFLAG; - break; - case MI: - temp = NFLAG; - break; - case PL: - temp = !NFLAG; - break; - case CS: - temp = CFLAG; - break; - case CC: - temp = !CFLAG; - break; - case HI: - temp = (CFLAG && !ZFLAG); - break; - case LS: - temp = (!CFLAG || ZFLAG); - break; - case GE: - temp = ((!NFLAG && !VFLAG) || (NFLAG && VFLAG)); - break; - case LT: - temp = ((NFLAG && !VFLAG) || (!NFLAG && VFLAG)); - break; - case GT: - temp = ((!NFLAG && !VFLAG && !ZFLAG) || (NFLAG && VFLAG && !ZFLAG)); - break; - case LE: - temp = ((NFLAG && !VFLAG) || (!NFLAG && VFLAG)) || ZFLAG; - break; - } /* cc check */ - - /* Handle the Clock counter here. */ - if (state->is_XScale) - { - ARMword cp14r0 = state->CPRead[14] (state, 0, 0); - - if (cp14r0 && ARMul_CP14_R0_ENABLE) - { - unsigned long newcycles, nowtime = ARMul_Time(state); - - newcycles = nowtime - state->LastTime; - state->LastTime = nowtime; - if (cp14r0 && ARMul_CP14_R0_CCD) - { - if (state->CP14R0_CCD == -1) - state->CP14R0_CCD = newcycles; - else - state->CP14R0_CCD += newcycles; - if (state->CP14R0_CCD >= 64) - { - newcycles = 0; - while (state->CP14R0_CCD >= 64) - state->CP14R0_CCD -= 64, newcycles++; - goto check_PMUintr; - } - } - else - { - ARMword cp14r1; - int do_int = 0; - - state->CP14R0_CCD = -1; -check_PMUintr: - cp14r0 |= ARMul_CP14_R0_FLAG2; - (void) state->CPWrite[14] (state, 0, cp14r0); - - cp14r1 = state->CPRead[14] (state, 1, 0); - - /* coded like this for portability */ - while (newcycles) - { - if (cp14r1 == 0xffffffff) - { - cp14r1 = 0; - do_int = 1; - } - else - cp14r1++; - newcycles--; - } - (void) state->CPWrite[14] (state, 1, cp14r1); - if (do_int && (cp14r0 & ARMul_CP14_R0_INTEN2)) - { - if (state->CPRead[13] (state, 8, 0) - && ARMul_CP13_R8_PMUS) - ARMul_Abort (state, ARMul_FIQV); - else - ARMul_Abort (state, ARMul_IRQV); - } - } - } - } - - /* Handle hardware instructions breakpoints here. */ - if (state->is_XScale) - { - if ((pc | 3) == (read_cp15_reg (14, 0, 8) | 2) - || (pc | 3) == (read_cp15_reg (14, 0, 9) | 2)) - { - if (XScale_debug_moe (state, ARMul_CP14_R10_MOE_IB)) - ARMul_OSHandleSWI (state, SWI_Breakpoint); - } - } - -/***************************************************************************\ -* Actual execution of instructions begins here * -\***************************************************************************/ - - if (temp) - { /* if the condition codes don't match, stop here */ - mainswitch: - - if (state->is_XScale) - { - if (BIT (20) == 0 && BITS (25, 27) == 0) - { - if (BITS (4, 7) == 0xD) - { - /* XScale Load Consecutive insn. */ - ARMword temp = GetLS7RHS (state, instr); - ARMword temp2 = BIT (23) ? LHS + temp : LHS - temp; - ARMword addr = BIT (24) ? temp2 : LHS; - - if (BIT (12)) - ARMul_UndefInstr (state, instr); - else if (addr & 7) - /* Alignment violation. */ - ARMul_Abort (state, ARMul_DataAbortV); - else - { - int wb = BIT (21) || (! BIT (24)); - - state->Reg[BITS (12, 15)] = - ARMul_LoadWordN (state, addr); - state->Reg[BITS (12, 15) + 1] = - ARMul_LoadWordN (state, addr + 4); - if (wb) - LSBase = temp2; - } - - goto donext; - } - else if (BITS (4, 7) == 0xF) - { - /* XScale Store Consecutive insn. */ - ARMword temp = GetLS7RHS (state, instr); - ARMword temp2 = BIT (23) ? LHS + temp : LHS - temp; - ARMword addr = BIT (24) ? temp2 : LHS; - - if (BIT (12)) - ARMul_UndefInstr (state, instr); - else if (addr & 7) - /* Alignment violation. */ - ARMul_Abort (state, ARMul_DataAbortV); - else - { - ARMul_StoreWordN (state, addr, - state->Reg[BITS (12, 15)]); - ARMul_StoreWordN (state, addr + 4, - state->Reg[BITS (12, 15) + 1]); - - if (BIT (21)|| ! BIT (24)) - LSBase = temp2; - } - - goto donext; - } - } - } - - switch ((int) BITS (20, 27)) - { - -/***************************************************************************\ -* Data Processing Register RHS Instructions * -\***************************************************************************/ - - case 0x00: /* AND reg and MUL */ -#ifdef MODET - if (BITS (4, 11) == 0xB) - { - /* STRH register offset, no write-back, down, post indexed */ - SHDOWNWB (); - break; - } - if (BITS (4, 7) == 0xD) - { - Handle_Load_Double (state, instr); - break; - } - if (BITS (4, 7) == 0xF) - { - Handle_Store_Double (state, instr); - break; - } -#endif - if (BITS (4, 7) == 9) - { /* MUL */ - rhs = state->Reg[MULRHSReg]; - if (MULLHSReg == MULDESTReg) - { - UNDEF_MULDestEQOp1; - state->Reg[MULDESTReg] = 0; - } - else if (MULDESTReg != 15) - state->Reg[MULDESTReg] = state->Reg[MULLHSReg] * rhs; - else - { - UNDEF_MULPCDest; - } - for (dest = 0, temp = 0; dest < 32; dest++) - if (rhs & (1L << dest)) - temp = dest; /* mult takes this many/2 I cycles */ - ARMul_Icycles (state, ARMul_MultTable[temp], 0L); - } - else - { /* AND reg */ - rhs = DPRegRHS; - dest = LHS & rhs; - WRITEDEST (dest); - } - break; - - case 0x01: /* ANDS reg and MULS */ -#ifdef MODET - if ((BITS (4, 11) & 0xF9) == 0x9) - { - /* LDR register offset, no write-back, down, post indexed */ - LHPOSTDOWN (); - /* fall through to rest of decoding */ - } -#endif - if (BITS (4, 7) == 9) - { /* MULS */ - rhs = state->Reg[MULRHSReg]; - if (MULLHSReg == MULDESTReg) - { - UNDEF_MULDestEQOp1; - state->Reg[MULDESTReg] = 0; - CLEARN; - SETZ; - } - else if (MULDESTReg != 15) - { - dest = state->Reg[MULLHSReg] * rhs; - ARMul_NegZero (state, dest); - state->Reg[MULDESTReg] = dest; - } - else - { - UNDEF_MULPCDest; - } - for (dest = 0, temp = 0; dest < 32; dest++) - if (rhs & (1L << dest)) - temp = dest; /* mult takes this many/2 I cycles */ - ARMul_Icycles (state, ARMul_MultTable[temp], 0L); - } - else - { /* ANDS reg */ - rhs = DPSRegRHS; - dest = LHS & rhs; - WRITESDEST (dest); - } - break; - - case 0x02: /* EOR reg and MLA */ -#ifdef MODET - if (BITS (4, 11) == 0xB) - { - /* STRH register offset, write-back, down, post indexed */ - SHDOWNWB (); - break; - } -#endif - if (BITS (4, 7) == 9) - { /* MLA */ - rhs = state->Reg[MULRHSReg]; - if (MULLHSReg == MULDESTReg) - { - UNDEF_MULDestEQOp1; - state->Reg[MULDESTReg] = state->Reg[MULACCReg]; - } - else if (MULDESTReg != 15) - state->Reg[MULDESTReg] = - state->Reg[MULLHSReg] * rhs + state->Reg[MULACCReg]; - else - { - UNDEF_MULPCDest; - } - for (dest = 0, temp = 0; dest < 32; dest++) - if (rhs & (1L << dest)) - temp = dest; /* mult takes this many/2 I cycles */ - ARMul_Icycles (state, ARMul_MultTable[temp], 0L); - } - else - { - rhs = DPRegRHS; - dest = LHS ^ rhs; - WRITEDEST (dest); - } - break; - - case 0x03: /* EORS reg and MLAS */ -#ifdef MODET - if ((BITS (4, 11) & 0xF9) == 0x9) - { - /* LDR register offset, write-back, down, post-indexed */ - LHPOSTDOWN (); - /* fall through to rest of the decoding */ - } -#endif - if (BITS (4, 7) == 9) - { /* MLAS */ - rhs = state->Reg[MULRHSReg]; - if (MULLHSReg == MULDESTReg) - { - UNDEF_MULDestEQOp1; - dest = state->Reg[MULACCReg]; - ARMul_NegZero (state, dest); - state->Reg[MULDESTReg] = dest; - } - else if (MULDESTReg != 15) - { - dest = - state->Reg[MULLHSReg] * rhs + state->Reg[MULACCReg]; - ARMul_NegZero (state, dest); - state->Reg[MULDESTReg] = dest; - } - else - { - UNDEF_MULPCDest; - } - for (dest = 0, temp = 0; dest < 32; dest++) - if (rhs & (1L << dest)) - temp = dest; /* mult takes this many/2 I cycles */ - ARMul_Icycles (state, ARMul_MultTable[temp], 0L); - } - else - { /* EORS Reg */ - rhs = DPSRegRHS; - dest = LHS ^ rhs; - WRITESDEST (dest); - } - break; - - case 0x04: /* SUB reg */ -#ifdef MODET - if (BITS (4, 7) == 0xB) - { - /* STRH immediate offset, no write-back, down, post indexed */ - SHDOWNWB (); - break; - } - if (BITS (4, 7) == 0xD) - { - Handle_Load_Double (state, instr); - break; - } - if (BITS (4, 7) == 0xF) - { - Handle_Store_Double (state, instr); - break; - } -#endif - rhs = DPRegRHS; - dest = LHS - rhs; - WRITEDEST (dest); - break; - - case 0x05: /* SUBS reg */ -#ifdef MODET - if ((BITS (4, 7) & 0x9) == 0x9) - { - /* LDR immediate offset, no write-back, down, post indexed */ - LHPOSTDOWN (); - /* fall through to the rest of the instruction decoding */ - } -#endif - lhs = LHS; - rhs = DPRegRHS; - dest = lhs - rhs; - if ((lhs >= rhs) || ((rhs | lhs) >> 31)) - { - ARMul_SubCarry (state, lhs, rhs, dest); - ARMul_SubOverflow (state, lhs, rhs, dest); - } - else - { - CLEARC; - CLEARV; - } - WRITESDEST (dest); - break; - - case 0x06: /* RSB reg */ -#ifdef MODET - if (BITS (4, 7) == 0xB) - { - /* STRH immediate offset, write-back, down, post indexed */ - SHDOWNWB (); - break; - } -#endif - rhs = DPRegRHS; - dest = rhs - LHS; - WRITEDEST (dest); - break; - - case 0x07: /* RSBS reg */ -#ifdef MODET - if ((BITS (4, 7) & 0x9) == 0x9) - { - /* LDR immediate offset, write-back, down, post indexed */ - LHPOSTDOWN (); - /* fall through to remainder of instruction decoding */ - } -#endif - lhs = LHS; - rhs = DPRegRHS; - dest = rhs - lhs; - if ((rhs >= lhs) || ((rhs | lhs) >> 31)) - { - ARMul_SubCarry (state, rhs, lhs, dest); - ARMul_SubOverflow (state, rhs, lhs, dest); - } - else - { - CLEARC; - CLEARV; - } - WRITESDEST (dest); - break; - - case 0x08: /* ADD reg */ -#ifdef MODET - if (BITS (4, 11) == 0xB) - { - /* STRH register offset, no write-back, up, post indexed */ - SHUPWB (); - break; - } - if (BITS (4, 7) == 0xD) - { - Handle_Load_Double (state, instr); - break; - } - if (BITS (4, 7) == 0xF) - { - Handle_Store_Double (state, instr); - break; - } -#endif -#ifdef MODET - if (BITS (4, 7) == 0x9) - { /* MULL */ - /* 32x32 = 64 */ - ARMul_Icycles (state, - Multiply64 (state, instr, LUNSIGNED, - LDEFAULT), 0L); - break; - } -#endif - rhs = DPRegRHS; - dest = LHS + rhs; - WRITEDEST (dest); - break; - - case 0x09: /* ADDS reg */ -#ifdef MODET - if ((BITS (4, 11) & 0xF9) == 0x9) - { - /* LDR register offset, no write-back, up, post indexed */ - LHPOSTUP (); - /* fall through to remaining instruction decoding */ - } -#endif -#ifdef MODET - if (BITS (4, 7) == 0x9) - { /* MULL */ - /* 32x32=64 */ - ARMul_Icycles (state, - Multiply64 (state, instr, LUNSIGNED, LSCC), - 0L); - break; - } -#endif - lhs = LHS; - rhs = DPRegRHS; - dest = lhs + rhs; - ASSIGNZ (dest == 0); - if ((lhs | rhs) >> 30) - { /* possible C,V,N to set */ - ASSIGNN (NEG (dest)); - ARMul_AddCarry (state, lhs, rhs, dest); - ARMul_AddOverflow (state, lhs, rhs, dest); - } - else - { - CLEARN; - CLEARC; - CLEARV; - } - WRITESDEST (dest); - break; - - case 0x0a: /* ADC reg */ -#ifdef MODET - if (BITS (4, 11) == 0xB) - { - /* STRH register offset, write-back, up, post-indexed */ - SHUPWB (); - break; - } -#endif -#ifdef MODET - if (BITS (4, 7) == 0x9) - { /* MULL */ - /* 32x32=64 */ - ARMul_Icycles (state, - MultiplyAdd64 (state, instr, LUNSIGNED, - LDEFAULT), 0L); - break; - } -#endif - rhs = DPRegRHS; - dest = LHS + rhs + CFLAG; - WRITEDEST (dest); - break; - - case 0x0b: /* ADCS reg */ -#ifdef MODET - if ((BITS (4, 11) & 0xF9) == 0x9) - { - /* LDR register offset, write-back, up, post indexed */ - LHPOSTUP (); - /* fall through to remaining instruction decoding */ - } -#endif -#ifdef MODET - if (BITS (4, 7) == 0x9) - { /* MULL */ - /* 32x32=64 */ - ARMul_Icycles (state, - MultiplyAdd64 (state, instr, LUNSIGNED, - LSCC), 0L); - break; - } -#endif - lhs = LHS; - rhs = DPRegRHS; - dest = lhs + rhs + CFLAG; - ASSIGNZ (dest == 0); - if ((lhs | rhs) >> 30) - { /* possible C,V,N to set */ - ASSIGNN (NEG (dest)); - ARMul_AddCarry (state, lhs, rhs, dest); - ARMul_AddOverflow (state, lhs, rhs, dest); - } - else - { - CLEARN; - CLEARC; - CLEARV; - } - WRITESDEST (dest); - break; - - case 0x0c: /* SBC reg */ -#ifdef MODET - if (BITS (4, 7) == 0xB) - { - /* STRH immediate offset, no write-back, up post indexed */ - SHUPWB (); - break; - } - if (BITS (4, 7) == 0xD) - { - Handle_Load_Double (state, instr); - break; - } - if (BITS (4, 7) == 0xF) - { - Handle_Store_Double (state, instr); - break; - } -#endif -#ifdef MODET - if (BITS (4, 7) == 0x9) - { /* MULL */ - /* 32x32=64 */ - ARMul_Icycles (state, - Multiply64 (state, instr, LSIGNED, LDEFAULT), - 0L); - break; - } -#endif - rhs = DPRegRHS; - dest = LHS - rhs - !CFLAG; - WRITEDEST (dest); - break; - - case 0x0d: /* SBCS reg */ -#ifdef MODET - if ((BITS (4, 7) & 0x9) == 0x9) - { - /* LDR immediate offset, no write-back, up, post indexed */ - LHPOSTUP (); - } -#endif -#ifdef MODET - if (BITS (4, 7) == 0x9) - { /* MULL */ - /* 32x32=64 */ - ARMul_Icycles (state, - Multiply64 (state, instr, LSIGNED, LSCC), - 0L); - break; - } -#endif - lhs = LHS; - rhs = DPRegRHS; - dest = lhs - rhs - !CFLAG; - if ((lhs >= rhs) || ((rhs | lhs) >> 31)) - { - ARMul_SubCarry (state, lhs, rhs, dest); - ARMul_SubOverflow (state, lhs, rhs, dest); - } - else - { - CLEARC; - CLEARV; - } - WRITESDEST (dest); - break; - - case 0x0e: /* RSC reg */ -#ifdef MODET - if (BITS (4, 7) == 0xB) - { - /* STRH immediate offset, write-back, up, post indexed */ - SHUPWB (); - break; - } -#endif -#ifdef MODET - if (BITS (4, 7) == 0x9) - { /* MULL */ - /* 32x32=64 */ - ARMul_Icycles (state, - MultiplyAdd64 (state, instr, LSIGNED, - LDEFAULT), 0L); - break; - } -#endif - rhs = DPRegRHS; - dest = rhs - LHS - !CFLAG; - WRITEDEST (dest); - break; - - case 0x0f: /* RSCS reg */ -#ifdef MODET - if ((BITS (4, 7) & 0x9) == 0x9) - { - /* LDR immediate offset, write-back, up, post indexed */ - LHPOSTUP (); - /* fall through to remaining instruction decoding */ - } -#endif -#ifdef MODET - if (BITS (4, 7) == 0x9) - { /* MULL */ - /* 32x32=64 */ - ARMul_Icycles (state, - MultiplyAdd64 (state, instr, LSIGNED, LSCC), - 0L); - break; - } -#endif - lhs = LHS; - rhs = DPRegRHS; - dest = rhs - lhs - !CFLAG; - if ((rhs >= lhs) || ((rhs | lhs) >> 31)) - { - ARMul_SubCarry (state, rhs, lhs, dest); - ARMul_SubOverflow (state, rhs, lhs, dest); - } - else - { - CLEARC; - CLEARV; - } - WRITESDEST (dest); - break; - - case 0x10: /* TST reg and MRS CPSR and SWP word */ - if (state->is_v5e) - { - if (BIT (4) == 0 && BIT (7) == 1) - { - /* ElSegundo SMLAxy insn. */ - ARMword op1 = state->Reg[BITS (0, 3)]; - ARMword op2 = state->Reg[BITS (8, 11)]; - ARMword Rn = state->Reg[BITS (12, 15)]; - - if (BIT (5)) - op1 >>= 16; - if (BIT (6)) - op2 >>= 16; - op1 &= 0xFFFF; - op2 &= 0xFFFF; - if (op1 & 0x8000) - op1 -= 65536; - if (op2 & 0x8000) - op2 -= 65536; - op1 *= op2; - - if (AddOverflow (op1, Rn, op1 + Rn)) - SETS; - state->Reg[BITS (16, 19)] = op1 + Rn; - break; - } - - if (BITS (4, 11) == 5) - { - /* ElSegundo QADD insn. */ - ARMword op1 = state->Reg[BITS (0, 3)]; - ARMword op2 = state->Reg[BITS (16, 19)]; - ARMword result = op1 + op2; - if (AddOverflow (op1, op2, result)) - { - result = POS (result) ? 0x80000000 : 0x7fffffff; - SETS; - } - state->Reg[BITS (12, 15)] = result; - break; - } - } -#ifdef MODET - if (BITS (4, 11) == 0xB) - { - /* STRH register offset, no write-back, down, pre indexed */ - SHPREDOWN (); - break; - } - if (BITS (4, 7) == 0xD) - { - Handle_Load_Double (state, instr); - break; - } - if (BITS (4, 7) == 0xF) - { - Handle_Store_Double (state, instr); - break; - } -#endif - if (BITS (4, 11) == 9) - { /* SWP */ - UNDEF_SWPPC; - temp = LHS; - BUSUSEDINCPCS; -#ifndef MODE32 - if (VECTORACCESS (temp) || ADDREXCEPT (temp)) - { - INTERNALABORT (temp); - (void) ARMul_LoadWordN (state, temp); - (void) ARMul_LoadWordN (state, temp); - } - else -#endif - dest = ARMul_SwapWord (state, temp, state->Reg[RHSReg]); - if (temp & 3) - DEST = ARMul_Align (state, temp, dest); - else - DEST = dest; - if (state->abortSig || state->Aborted) - { - TAKEABORT; - } - } - else if ((BITS (0, 11) == 0) && (LHSReg == 15)) - { /* MRS CPSR */ - UNDEF_MRSPC; - DEST = ECC | EINT | EMODE; - } - else - { - UNDEF_Test; - } - break; - - case 0x11: /* TSTP reg */ -#ifdef MODET - if ((BITS (4, 11) & 0xF9) == 0x9) - { - /* LDR register offset, no write-back, down, pre indexed */ - LHPREDOWN (); - /* continue with remaining instruction decode */ - } -#endif - if (DESTReg == 15) - { /* TSTP reg */ -#ifdef MODE32 - state->Cpsr = GETSPSR (state->Bank); - ARMul_CPSRAltered (state); -#else - rhs = DPRegRHS; - temp = LHS & rhs; - SETR15PSR (temp); -#endif - } - else - { /* TST reg */ - rhs = DPSRegRHS; - dest = LHS & rhs; - ARMul_NegZero (state, dest); - } - break; - - case 0x12: /* TEQ reg and MSR reg to CPSR (ARM6) */ - if (state->is_v5) - { - if (BITS (4, 7) == 3) - { - /* BLX(2) */ - ARMword temp; - - if (TFLAG) - temp = (pc + 2) | 1; - else - temp = pc + 4; - - WriteR15Branch (state, state->Reg[RHSReg]); - state->Reg[14] = temp; - break; - } - } - - if (state->is_v5e) - { - if (BIT (4) == 0 && BIT (7) == 1 - && (BIT (5) == 0 || BITS (12, 15) == 0)) - { - /* ElSegundo SMLAWy/SMULWy insn. */ - unsigned long long op1 = state->Reg[BITS (0, 3)]; - unsigned long long op2 = state->Reg[BITS (8, 11)]; - unsigned long long result; - - if (BIT (6)) - op2 >>= 16; - if (op1 & 0x80000000) - op1 -= 1ULL << 32; - op2 &= 0xFFFF; - if (op2 & 0x8000) - op2 -= 65536; - result = (op1 * op2) >> 16; - - if (BIT (5) == 0) - { - ARMword Rn = state->Reg[BITS (12, 15)]; - - if (AddOverflow (result, Rn, result + Rn)) - SETS; - result += Rn; - } - state->Reg[BITS (16, 19)] = result; - break; - } - - if (BITS (4, 11) == 5) - { - /* ElSegundo QSUB insn. */ - ARMword op1 = state->Reg[BITS (0, 3)]; - ARMword op2 = state->Reg[BITS (16, 19)]; - ARMword result = op1 - op2; - - if (SubOverflow (op1, op2, result)) - { - result = POS (result) ? 0x80000000 : 0x7fffffff; - SETS; - } - - state->Reg[BITS (12, 15)] = result; - break; - } - } -#ifdef MODET - if (BITS (4, 11) == 0xB) - { - /* STRH register offset, write-back, down, pre indexed */ - SHPREDOWNWB (); - break; - } - if (BITS (4, 27) == 0x12FFF1) - { - /* BX */ - WriteR15Branch (state, state->Reg[RHSReg]); - break; - } - if (BITS (4, 7) == 0xD) - { - Handle_Load_Double (state, instr); - break; - } - if (BITS (4, 7) == 0xF) - { - Handle_Store_Double (state, instr); - break; - } -#endif - if (state->is_v5) - { - if (BITS (4, 7) == 0x7) - { - ARMword value; - extern int SWI_vector_installed; - - /* Hardware is allowed to optionally override this - instruction and treat it as a breakpoint. Since - this is a simulator not hardware, we take the position - that if a SWI vector was not installed, then an Abort - vector was probably not installed either, and so - normally this instruction would be ignored, even if an - Abort is generated. This is a bad thing, since GDB - uses this instruction for its breakpoints (at least in - Thumb mode it does). So intercept the instruction here - and generate a breakpoint SWI instead. */ - if (! SWI_vector_installed) - ARMul_OSHandleSWI (state, SWI_Breakpoint); - else - { - /* BKPT - normally this will cause an abort, but on the - XScale we must check the DCSR. */ - XScale_set_fsr_far (state, ARMul_CP15_R5_MMU_EXCPT, pc); - if (!XScale_debug_moe (state, ARMul_CP14_R10_MOE_BT)) - break; - } - - /* Force the next instruction to be refetched. */ - state->NextInstr = RESUME; - break; - } - } - if (DESTReg == 15) - { - /* MSR reg to CPSR */ - UNDEF_MSRPC; - temp = DPRegRHS; -#ifdef MODET - /* Don't allow TBIT to be set by MSR. */ - temp &= ~ TBIT; -#endif - ARMul_FixCPSR (state, instr, temp); - } - else - { - UNDEF_Test; - } - break; - - case 0x13: /* TEQP reg */ -#ifdef MODET - if ((BITS (4, 11) & 0xF9) == 0x9) - { - /* LDR register offset, write-back, down, pre indexed */ - LHPREDOWNWB (); - /* continue with remaining instruction decode */ - } -#endif - if (DESTReg == 15) - { /* TEQP reg */ -#ifdef MODE32 - state->Cpsr = GETSPSR (state->Bank); - ARMul_CPSRAltered (state); -#else - rhs = DPRegRHS; - temp = LHS ^ rhs; - SETR15PSR (temp); -#endif - } - else - { /* TEQ Reg */ - rhs = DPSRegRHS; - dest = LHS ^ rhs; - ARMul_NegZero (state, dest); - } - break; - - case 0x14: /* CMP reg and MRS SPSR and SWP byte */ - if (state->is_v5e) - { - if (BIT (4) == 0 && BIT (7) == 1) - { - /* ElSegundo SMLALxy insn. */ - unsigned long long op1 = state->Reg[BITS (0, 3)]; - unsigned long long op2 = state->Reg[BITS (8, 11)]; - unsigned long long dest; - unsigned long long result; - - if (BIT (5)) - op1 >>= 16; - if (BIT (6)) - op2 >>= 16; - op1 &= 0xFFFF; - if (op1 & 0x8000) - op1 -= 65536; - op2 &= 0xFFFF; - if (op2 & 0x8000) - op2 -= 65536; - - dest = (unsigned long long) state->Reg[BITS (16, 19)] << 32; - dest |= state->Reg[BITS (12, 15)]; - dest += op1 * op2; - state->Reg[BITS (12, 15)] = dest; - state->Reg[BITS (16, 19)] = dest >> 32; - break; - } - - if (BITS (4, 11) == 5) - { - /* ElSegundo QDADD insn. */ - ARMword op1 = state->Reg[BITS (0, 3)]; - ARMword op2 = state->Reg[BITS (16, 19)]; - ARMword op2d = op2 + op2; - ARMword result; - - if (AddOverflow (op2, op2, op2d)) - { - SETS; - op2d = POS (op2d) ? 0x80000000 : 0x7fffffff; - } - - result = op1 + op2d; - if (AddOverflow (op1, op2d, result)) - { - SETS; - result = POS (result) ? 0x80000000 : 0x7fffffff; - } - - state->Reg[BITS (12, 15)] = result; - break; - } - } -#ifdef MODET - if (BITS (4, 7) == 0xB) - { - /* STRH immediate offset, no write-back, down, pre indexed */ - SHPREDOWN (); - break; - } - if (BITS (4, 7) == 0xD) - { - Handle_Load_Double (state, instr); - break; - } - if (BITS (4, 7) == 0xF) - { - Handle_Store_Double (state, instr); - break; - } -#endif - if (BITS (4, 11) == 9) - { /* SWP */ - UNDEF_SWPPC; - temp = LHS; - BUSUSEDINCPCS; -#ifndef MODE32 - if (VECTORACCESS (temp) || ADDREXCEPT (temp)) - { - INTERNALABORT (temp); - (void) ARMul_LoadByte (state, temp); - (void) ARMul_LoadByte (state, temp); - } - else -#endif - DEST = ARMul_SwapByte (state, temp, state->Reg[RHSReg]); - if (state->abortSig || state->Aborted) - { - TAKEABORT; - } - } - else if ((BITS (0, 11) == 0) && (LHSReg == 15)) - { /* MRS SPSR */ - UNDEF_MRSPC; - DEST = GETSPSR (state->Bank); - } - else - { - UNDEF_Test; - } - break; - - case 0x15: /* CMPP reg */ -#ifdef MODET - if ((BITS (4, 7) & 0x9) == 0x9) - { - /* LDR immediate offset, no write-back, down, pre indexed */ - LHPREDOWN (); - /* continue with remaining instruction decode */ - } -#endif - if (DESTReg == 15) - { /* CMPP reg */ -#ifdef MODE32 - state->Cpsr = GETSPSR (state->Bank); - ARMul_CPSRAltered (state); -#else - rhs = DPRegRHS; - temp = LHS - rhs; - SETR15PSR (temp); -#endif - } - else - { /* CMP reg */ - lhs = LHS; - rhs = DPRegRHS; - dest = lhs - rhs; - ARMul_NegZero (state, dest); - if ((lhs >= rhs) || ((rhs | lhs) >> 31)) - { - ARMul_SubCarry (state, lhs, rhs, dest); - ARMul_SubOverflow (state, lhs, rhs, dest); - } - else - { - CLEARC; - CLEARV; - } - } - break; - - case 0x16: /* CMN reg and MSR reg to SPSR */ - if (state->is_v5e) - { - if (BIT (4) == 0 && BIT (7) == 1 && BITS (12, 15) == 0) - { - /* ElSegundo SMULxy insn. */ - ARMword op1 = state->Reg[BITS (0, 3)]; - ARMword op2 = state->Reg[BITS (8, 11)]; - ARMword Rn = state->Reg[BITS (12, 15)]; - - if (BIT (5)) - op1 >>= 16; - if (BIT (6)) - op2 >>= 16; - op1 &= 0xFFFF; - op2 &= 0xFFFF; - if (op1 & 0x8000) - op1 -= 65536; - if (op2 & 0x8000) - op2 -= 65536; - - state->Reg[BITS (16, 19)] = op1 * op2; - break; - } - - if (BITS (4, 11) == 5) - { - /* ElSegundo QDSUB insn. */ - ARMword op1 = state->Reg[BITS (0, 3)]; - ARMword op2 = state->Reg[BITS (16, 19)]; - ARMword op2d = op2 + op2; - ARMword result; - - if (AddOverflow (op2, op2, op2d)) - { - SETS; - op2d = POS (op2d) ? 0x80000000 : 0x7fffffff; - } - - result = op1 - op2d; - if (SubOverflow (op1, op2d, result)) - { - SETS; - result = POS (result) ? 0x80000000 : 0x7fffffff; - } - - state->Reg[BITS (12, 15)] = result; - break; - } - } - - if (state->is_v5) - { - if (BITS (4, 11) == 0xF1 && BITS (16, 19) == 0xF) - { - /* ARM5 CLZ insn. */ - ARMword op1 = state->Reg[BITS (0, 3)]; - int result = 32; - - if (op1) - for (result = 0; (op1 & 0x80000000) == 0; op1 <<= 1) - result++; - - state->Reg[BITS (12, 15)] = result; - break; - } - } -#ifdef MODET - if (BITS (4, 7) == 0xB) - { - /* STRH immediate offset, write-back, down, pre indexed */ - SHPREDOWNWB (); - break; - } - if (BITS (4, 7) == 0xD) - { - Handle_Load_Double (state, instr); - break; - } - if (BITS (4, 7) == 0xF) - { - Handle_Store_Double (state, instr); - break; - } -#endif - if (DESTReg == 15) - { /* MSR */ - UNDEF_MSRPC; - ARMul_FixSPSR (state, instr, DPRegRHS); - } - else - { - UNDEF_Test; - } - break; - - case 0x17: /* CMNP reg */ -#ifdef MODET - if ((BITS (4, 7) & 0x9) == 0x9) - { - /* LDR immediate offset, write-back, down, pre indexed */ - LHPREDOWNWB (); - /* continue with remaining instruction decoding */ - } -#endif - if (DESTReg == 15) - { -#ifdef MODE32 - state->Cpsr = GETSPSR (state->Bank); - ARMul_CPSRAltered (state); -#else - rhs = DPRegRHS; - temp = LHS + rhs; - SETR15PSR (temp); -#endif - break; - } - else - { /* CMN reg */ - lhs = LHS; - rhs = DPRegRHS; - dest = lhs + rhs; - ASSIGNZ (dest == 0); - if ((lhs | rhs) >> 30) - { /* possible C,V,N to set */ - ASSIGNN (NEG (dest)); - ARMul_AddCarry (state, lhs, rhs, dest); - ARMul_AddOverflow (state, lhs, rhs, dest); - } - else - { - CLEARN; - CLEARC; - CLEARV; - } - } - break; - - case 0x18: /* ORR reg */ -#ifdef MODET - if (BITS (4, 11) == 0xB) - { - /* STRH register offset, no write-back, up, pre indexed */ - SHPREUP (); - break; - } - if (BITS (4, 7) == 0xD) - { - Handle_Load_Double (state, instr); - break; - } - if (BITS (4, 7) == 0xF) - { - Handle_Store_Double (state, instr); - break; - } -#endif - rhs = DPRegRHS; - dest = LHS | rhs; - WRITEDEST (dest); - break; - - case 0x19: /* ORRS reg */ -#ifdef MODET - if ((BITS (4, 11) & 0xF9) == 0x9) - { - /* LDR register offset, no write-back, up, pre indexed */ - LHPREUP (); - /* continue with remaining instruction decoding */ - } -#endif - rhs = DPSRegRHS; - dest = LHS | rhs; - WRITESDEST (dest); - break; - - case 0x1a: /* MOV reg */ -#ifdef MODET - if (BITS (4, 11) == 0xB) - { - /* STRH register offset, write-back, up, pre indexed */ - SHPREUPWB (); - break; - } - if (BITS (4, 7) == 0xD) - { - Handle_Load_Double (state, instr); - break; - } - if (BITS (4, 7) == 0xF) - { - Handle_Store_Double (state, instr); - break; - } -#endif - dest = DPRegRHS; - WRITEDEST (dest); - break; - - case 0x1b: /* MOVS reg */ -#ifdef MODET - if ((BITS (4, 11) & 0xF9) == 0x9) - { - /* LDR register offset, write-back, up, pre indexed */ - LHPREUPWB (); - /* continue with remaining instruction decoding */ - } -#endif - dest = DPSRegRHS; - WRITESDEST (dest); - break; - - case 0x1c: /* BIC reg */ -#ifdef MODET - if (BITS (4, 7) == 0xB) - { - /* STRH immediate offset, no write-back, up, pre indexed */ - SHPREUP (); - break; - } - if (BITS (4, 7) == 0xD) - { - Handle_Load_Double (state, instr); - break; - } - else if (BITS (4, 7) == 0xF) - { - Handle_Store_Double (state, instr); - break; - } -#endif - rhs = DPRegRHS; - dest = LHS & ~rhs; - WRITEDEST (dest); - break; - - case 0x1d: /* BICS reg */ -#ifdef MODET - if ((BITS (4, 7) & 0x9) == 0x9) - { - /* LDR immediate offset, no write-back, up, pre indexed */ - LHPREUP (); - /* continue with instruction decoding */ - } -#endif - rhs = DPSRegRHS; - dest = LHS & ~rhs; - WRITESDEST (dest); - break; - - case 0x1e: /* MVN reg */ -#ifdef MODET - if (BITS (4, 7) == 0xB) - { - /* STRH immediate offset, write-back, up, pre indexed */ - SHPREUPWB (); - break; - } - if (BITS (4, 7) == 0xD) - { - Handle_Load_Double (state, instr); - break; - } - if (BITS (4, 7) == 0xF) - { - Handle_Store_Double (state, instr); - break; - } -#endif - dest = ~DPRegRHS; - WRITEDEST (dest); - break; - - case 0x1f: /* MVNS reg */ -#ifdef MODET - if ((BITS (4, 7) & 0x9) == 0x9) - { - /* LDR immediate offset, write-back, up, pre indexed */ - LHPREUPWB (); - /* continue instruction decoding */ - } -#endif - dest = ~DPSRegRHS; - WRITESDEST (dest); - break; - -/***************************************************************************\ -* Data Processing Immediate RHS Instructions * -\***************************************************************************/ - - case 0x20: /* AND immed */ - dest = LHS & DPImmRHS; - WRITEDEST (dest); - break; - - case 0x21: /* ANDS immed */ - DPSImmRHS; - dest = LHS & rhs; - WRITESDEST (dest); - break; - - case 0x22: /* EOR immed */ - dest = LHS ^ DPImmRHS; - WRITEDEST (dest); - break; - - case 0x23: /* EORS immed */ - DPSImmRHS; - dest = LHS ^ rhs; - WRITESDEST (dest); - break; - - case 0x24: /* SUB immed */ - dest = LHS - DPImmRHS; - WRITEDEST (dest); - break; - - case 0x25: /* SUBS immed */ - lhs = LHS; - rhs = DPImmRHS; - dest = lhs - rhs; - if ((lhs >= rhs) || ((rhs | lhs) >> 31)) - { - ARMul_SubCarry (state, lhs, rhs, dest); - ARMul_SubOverflow (state, lhs, rhs, dest); - } - else - { - CLEARC; - CLEARV; - } - WRITESDEST (dest); - break; - - case 0x26: /* RSB immed */ - dest = DPImmRHS - LHS; - WRITEDEST (dest); - break; - - case 0x27: /* RSBS immed */ - lhs = LHS; - rhs = DPImmRHS; - dest = rhs - lhs; - if ((rhs >= lhs) || ((rhs | lhs) >> 31)) - { - ARMul_SubCarry (state, rhs, lhs, dest); - ARMul_SubOverflow (state, rhs, lhs, dest); - } - else - { - CLEARC; - CLEARV; - } - WRITESDEST (dest); - break; - - case 0x28: /* ADD immed */ - dest = LHS + DPImmRHS; - WRITEDEST (dest); - break; - - case 0x29: /* ADDS immed */ - lhs = LHS; - rhs = DPImmRHS; - dest = lhs + rhs; - ASSIGNZ (dest == 0); - if ((lhs | rhs) >> 30) - { /* possible C,V,N to set */ - ASSIGNN (NEG (dest)); - ARMul_AddCarry (state, lhs, rhs, dest); - ARMul_AddOverflow (state, lhs, rhs, dest); - } - else - { - CLEARN; - CLEARC; - CLEARV; - } - WRITESDEST (dest); - break; - - case 0x2a: /* ADC immed */ - dest = LHS + DPImmRHS + CFLAG; - WRITEDEST (dest); - break; - - case 0x2b: /* ADCS immed */ - lhs = LHS; - rhs = DPImmRHS; - dest = lhs + rhs + CFLAG; - ASSIGNZ (dest == 0); - if ((lhs | rhs) >> 30) - { /* possible C,V,N to set */ - ASSIGNN (NEG (dest)); - ARMul_AddCarry (state, lhs, rhs, dest); - ARMul_AddOverflow (state, lhs, rhs, dest); - } - else - { - CLEARN; - CLEARC; - CLEARV; - } - WRITESDEST (dest); - break; - - case 0x2c: /* SBC immed */ - dest = LHS - DPImmRHS - !CFLAG; - WRITEDEST (dest); - break; - - case 0x2d: /* SBCS immed */ - lhs = LHS; - rhs = DPImmRHS; - dest = lhs - rhs - !CFLAG; - if ((lhs >= rhs) || ((rhs | lhs) >> 31)) - { - ARMul_SubCarry (state, lhs, rhs, dest); - ARMul_SubOverflow (state, lhs, rhs, dest); - } - else - { - CLEARC; - CLEARV; - } - WRITESDEST (dest); - break; - - case 0x2e: /* RSC immed */ - dest = DPImmRHS - LHS - !CFLAG; - WRITEDEST (dest); - break; - - case 0x2f: /* RSCS immed */ - lhs = LHS; - rhs = DPImmRHS; - dest = rhs - lhs - !CFLAG; - if ((rhs >= lhs) || ((rhs | lhs) >> 31)) - { - ARMul_SubCarry (state, rhs, lhs, dest); - ARMul_SubOverflow (state, rhs, lhs, dest); - } - else - { - CLEARC; - CLEARV; - } - WRITESDEST (dest); - break; - - case 0x30: /* TST immed */ - UNDEF_Test; - break; - - case 0x31: /* TSTP immed */ - if (DESTReg == 15) - { /* TSTP immed */ -#ifdef MODE32 - state->Cpsr = GETSPSR (state->Bank); - ARMul_CPSRAltered (state); -#else - temp = LHS & DPImmRHS; - SETR15PSR (temp); -#endif - } - else - { - DPSImmRHS; /* TST immed */ - dest = LHS & rhs; - ARMul_NegZero (state, dest); - } - break; - - case 0x32: /* TEQ immed and MSR immed to CPSR */ - if (DESTReg == 15) - { /* MSR immed to CPSR */ - ARMul_FixCPSR (state, instr, DPImmRHS); - } - else - { - UNDEF_Test; - } - break; - - case 0x33: /* TEQP immed */ - if (DESTReg == 15) - { /* TEQP immed */ -#ifdef MODE32 - state->Cpsr = GETSPSR (state->Bank); - ARMul_CPSRAltered (state); -#else - temp = LHS ^ DPImmRHS; - SETR15PSR (temp); -#endif - } - else - { - DPSImmRHS; /* TEQ immed */ - dest = LHS ^ rhs; - ARMul_NegZero (state, dest); - } - break; - - case 0x34: /* CMP immed */ - UNDEF_Test; - break; - - case 0x35: /* CMPP immed */ - if (DESTReg == 15) - { /* CMPP immed */ -#ifdef MODE32 - state->Cpsr = GETSPSR (state->Bank); - ARMul_CPSRAltered (state); -#else - temp = LHS - DPImmRHS; - SETR15PSR (temp); -#endif - break; - } - else - { - lhs = LHS; /* CMP immed */ - rhs = DPImmRHS; - dest = lhs - rhs; - ARMul_NegZero (state, dest); - if ((lhs >= rhs) || ((rhs | lhs) >> 31)) - { - ARMul_SubCarry (state, lhs, rhs, dest); - ARMul_SubOverflow (state, lhs, rhs, dest); - } - else - { - CLEARC; - CLEARV; - } - } - break; - - case 0x36: /* CMN immed and MSR immed to SPSR */ - if (DESTReg == 15) /* MSR */ - ARMul_FixSPSR (state, instr, DPImmRHS); - else - { - UNDEF_Test; - } - break; - - case 0x37: /* CMNP immed */ - if (DESTReg == 15) - { /* CMNP immed */ -#ifdef MODE32 - state->Cpsr = GETSPSR (state->Bank); - ARMul_CPSRAltered (state); -#else - temp = LHS + DPImmRHS; - SETR15PSR (temp); -#endif - break; - } - else - { - lhs = LHS; /* CMN immed */ - rhs = DPImmRHS; - dest = lhs + rhs; - ASSIGNZ (dest == 0); - if ((lhs | rhs) >> 30) - { /* possible C,V,N to set */ - ASSIGNN (NEG (dest)); - ARMul_AddCarry (state, lhs, rhs, dest); - ARMul_AddOverflow (state, lhs, rhs, dest); - } - else - { - CLEARN; - CLEARC; - CLEARV; - } - } - break; - - case 0x38: /* ORR immed */ - dest = LHS | DPImmRHS; - WRITEDEST (dest); - break; - - case 0x39: /* ORRS immed */ - DPSImmRHS; - dest = LHS | rhs; - WRITESDEST (dest); - break; - - case 0x3a: /* MOV immed */ - dest = DPImmRHS; - WRITEDEST (dest); - break; - - case 0x3b: /* MOVS immed */ - DPSImmRHS; - WRITESDEST (rhs); - break; - - case 0x3c: /* BIC immed */ - dest = LHS & ~DPImmRHS; - WRITEDEST (dest); - break; - - case 0x3d: /* BICS immed */ - DPSImmRHS; - dest = LHS & ~rhs; - WRITESDEST (dest); - break; - - case 0x3e: /* MVN immed */ - dest = ~DPImmRHS; - WRITEDEST (dest); - break; - - case 0x3f: /* MVNS immed */ - DPSImmRHS; - WRITESDEST (~rhs); - break; - -/***************************************************************************\ -* Single Data Transfer Immediate RHS Instructions * -\***************************************************************************/ - - case 0x40: /* Store Word, No WriteBack, Post Dec, Immed */ - lhs = LHS; - if (StoreWord (state, instr, lhs)) - LSBase = lhs - LSImmRHS; - break; - - case 0x41: /* Load Word, No WriteBack, Post Dec, Immed */ - lhs = LHS; - if (LoadWord (state, instr, lhs)) - LSBase = lhs - LSImmRHS; - break; - - case 0x42: /* Store Word, WriteBack, Post Dec, Immed */ - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - lhs = LHS; - temp = lhs - LSImmRHS; - state->NtransSig = LOW; - if (StoreWord (state, instr, lhs)) - LSBase = temp; - state->NtransSig = (state->Mode & 3) ? HIGH : LOW; - break; - - case 0x43: /* Load Word, WriteBack, Post Dec, Immed */ - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - lhs = LHS; - state->NtransSig = LOW; - if (LoadWord (state, instr, lhs)) - LSBase = lhs - LSImmRHS; - state->NtransSig = (state->Mode & 3) ? HIGH : LOW; - break; - - case 0x44: /* Store Byte, No WriteBack, Post Dec, Immed */ - lhs = LHS; - if (StoreByte (state, instr, lhs)) - LSBase = lhs - LSImmRHS; - break; - - case 0x45: /* Load Byte, No WriteBack, Post Dec, Immed */ - lhs = LHS; - if (LoadByte (state, instr, lhs, LUNSIGNED)) - LSBase = lhs - LSImmRHS; - break; - - case 0x46: /* Store Byte, WriteBack, Post Dec, Immed */ - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - lhs = LHS; - state->NtransSig = LOW; - if (StoreByte (state, instr, lhs)) - LSBase = lhs - LSImmRHS; - state->NtransSig = (state->Mode & 3) ? HIGH : LOW; - break; - - case 0x47: /* Load Byte, WriteBack, Post Dec, Immed */ - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - lhs = LHS; - state->NtransSig = LOW; - if (LoadByte (state, instr, lhs, LUNSIGNED)) - LSBase = lhs - LSImmRHS; - state->NtransSig = (state->Mode & 3) ? HIGH : LOW; - break; - - case 0x48: /* Store Word, No WriteBack, Post Inc, Immed */ - lhs = LHS; - if (StoreWord (state, instr, lhs)) - LSBase = lhs + LSImmRHS; - break; - - case 0x49: /* Load Word, No WriteBack, Post Inc, Immed */ - lhs = LHS; - if (LoadWord (state, instr, lhs)) - LSBase = lhs + LSImmRHS; - break; - - case 0x4a: /* Store Word, WriteBack, Post Inc, Immed */ - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - lhs = LHS; - state->NtransSig = LOW; - if (StoreWord (state, instr, lhs)) - LSBase = lhs + LSImmRHS; - state->NtransSig = (state->Mode & 3) ? HIGH : LOW; - break; - - case 0x4b: /* Load Word, WriteBack, Post Inc, Immed */ - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - lhs = LHS; - state->NtransSig = LOW; - if (LoadWord (state, instr, lhs)) - LSBase = lhs + LSImmRHS; - state->NtransSig = (state->Mode & 3) ? HIGH : LOW; - break; - - case 0x4c: /* Store Byte, No WriteBack, Post Inc, Immed */ - lhs = LHS; - if (StoreByte (state, instr, lhs)) - LSBase = lhs + LSImmRHS; - break; - - case 0x4d: /* Load Byte, No WriteBack, Post Inc, Immed */ - lhs = LHS; - if (LoadByte (state, instr, lhs, LUNSIGNED)) - LSBase = lhs + LSImmRHS; - break; - - case 0x4e: /* Store Byte, WriteBack, Post Inc, Immed */ - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - lhs = LHS; - state->NtransSig = LOW; - if (StoreByte (state, instr, lhs)) - LSBase = lhs + LSImmRHS; - state->NtransSig = (state->Mode & 3) ? HIGH : LOW; - break; - - case 0x4f: /* Load Byte, WriteBack, Post Inc, Immed */ - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - lhs = LHS; - state->NtransSig = LOW; - if (LoadByte (state, instr, lhs, LUNSIGNED)) - LSBase = lhs + LSImmRHS; - state->NtransSig = (state->Mode & 3) ? HIGH : LOW; - break; - - - case 0x50: /* Store Word, No WriteBack, Pre Dec, Immed */ - (void) StoreWord (state, instr, LHS - LSImmRHS); - break; - - case 0x51: /* Load Word, No WriteBack, Pre Dec, Immed */ - (void) LoadWord (state, instr, LHS - LSImmRHS); - break; - - case 0x52: /* Store Word, WriteBack, Pre Dec, Immed */ - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - temp = LHS - LSImmRHS; - if (StoreWord (state, instr, temp)) - LSBase = temp; - break; - - case 0x53: /* Load Word, WriteBack, Pre Dec, Immed */ - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - temp = LHS - LSImmRHS; - if (LoadWord (state, instr, temp)) - LSBase = temp; - break; - - case 0x54: /* Store Byte, No WriteBack, Pre Dec, Immed */ - (void) StoreByte (state, instr, LHS - LSImmRHS); - break; - - case 0x55: /* Load Byte, No WriteBack, Pre Dec, Immed */ - (void) LoadByte (state, instr, LHS - LSImmRHS, LUNSIGNED); - break; - - case 0x56: /* Store Byte, WriteBack, Pre Dec, Immed */ - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - temp = LHS - LSImmRHS; - if (StoreByte (state, instr, temp)) - LSBase = temp; - break; - - case 0x57: /* Load Byte, WriteBack, Pre Dec, Immed */ - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - temp = LHS - LSImmRHS; - if (LoadByte (state, instr, temp, LUNSIGNED)) - LSBase = temp; - break; - - case 0x58: /* Store Word, No WriteBack, Pre Inc, Immed */ - (void) StoreWord (state, instr, LHS + LSImmRHS); - break; - - case 0x59: /* Load Word, No WriteBack, Pre Inc, Immed */ - (void) LoadWord (state, instr, LHS + LSImmRHS); - break; - - case 0x5a: /* Store Word, WriteBack, Pre Inc, Immed */ - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - temp = LHS + LSImmRHS; - if (StoreWord (state, instr, temp)) - LSBase = temp; - break; - - case 0x5b: /* Load Word, WriteBack, Pre Inc, Immed */ - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - temp = LHS + LSImmRHS; - if (LoadWord (state, instr, temp)) - LSBase = temp; - break; - - case 0x5c: /* Store Byte, No WriteBack, Pre Inc, Immed */ - (void) StoreByte (state, instr, LHS + LSImmRHS); - break; - - case 0x5d: /* Load Byte, No WriteBack, Pre Inc, Immed */ - (void) LoadByte (state, instr, LHS + LSImmRHS, LUNSIGNED); - break; - - case 0x5e: /* Store Byte, WriteBack, Pre Inc, Immed */ - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - temp = LHS + LSImmRHS; - if (StoreByte (state, instr, temp)) - LSBase = temp; - break; - - case 0x5f: /* Load Byte, WriteBack, Pre Inc, Immed */ - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - temp = LHS + LSImmRHS; - if (LoadByte (state, instr, temp, LUNSIGNED)) - LSBase = temp; - break; - -/***************************************************************************\ -* Single Data Transfer Register RHS Instructions * -\***************************************************************************/ - - case 0x60: /* Store Word, No WriteBack, Post Dec, Reg */ - if (BIT (4)) - { - ARMul_UndefInstr (state, instr); - break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - lhs = LHS; - if (StoreWord (state, instr, lhs)) - LSBase = lhs - LSRegRHS; - break; - - case 0x61: /* Load Word, No WriteBack, Post Dec, Reg */ - if (BIT (4)) - { - ARMul_UndefInstr (state, instr); - break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - lhs = LHS; - temp = lhs - LSRegRHS; - if (LoadWord (state, instr, lhs)) - LSBase = temp; - break; - - case 0x62: /* Store Word, WriteBack, Post Dec, Reg */ - if (BIT (4)) - { - ARMul_UndefInstr (state, instr); - break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - lhs = LHS; - state->NtransSig = LOW; - if (StoreWord (state, instr, lhs)) - LSBase = lhs - LSRegRHS; - state->NtransSig = (state->Mode & 3) ? HIGH : LOW; - break; - - case 0x63: /* Load Word, WriteBack, Post Dec, Reg */ - if (BIT (4)) - { - ARMul_UndefInstr (state, instr); - break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - lhs = LHS; - temp = lhs - LSRegRHS; - state->NtransSig = LOW; - if (LoadWord (state, instr, lhs)) - LSBase = temp; - state->NtransSig = (state->Mode & 3) ? HIGH : LOW; - break; - - case 0x64: /* Store Byte, No WriteBack, Post Dec, Reg */ - if (BIT (4)) - { - ARMul_UndefInstr (state, instr); - break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - lhs = LHS; - if (StoreByte (state, instr, lhs)) - LSBase = lhs - LSRegRHS; - break; - - case 0x65: /* Load Byte, No WriteBack, Post Dec, Reg */ - if (BIT (4)) - { - ARMul_UndefInstr (state, instr); - break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - lhs = LHS; - temp = lhs - LSRegRHS; - if (LoadByte (state, instr, lhs, LUNSIGNED)) - LSBase = temp; - break; - - case 0x66: /* Store Byte, WriteBack, Post Dec, Reg */ - if (BIT (4)) - { - ARMul_UndefInstr (state, instr); - break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - lhs = LHS; - state->NtransSig = LOW; - if (StoreByte (state, instr, lhs)) - LSBase = lhs - LSRegRHS; - state->NtransSig = (state->Mode & 3) ? HIGH : LOW; - break; - - case 0x67: /* Load Byte, WriteBack, Post Dec, Reg */ - if (BIT (4)) - { - ARMul_UndefInstr (state, instr); - break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - lhs = LHS; - temp = lhs - LSRegRHS; - state->NtransSig = LOW; - if (LoadByte (state, instr, lhs, LUNSIGNED)) - LSBase = temp; - state->NtransSig = (state->Mode & 3) ? HIGH : LOW; - break; - - case 0x68: /* Store Word, No WriteBack, Post Inc, Reg */ - if (BIT (4)) - { - ARMul_UndefInstr (state, instr); - break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - lhs = LHS; - if (StoreWord (state, instr, lhs)) - LSBase = lhs + LSRegRHS; - break; - - case 0x69: /* Load Word, No WriteBack, Post Inc, Reg */ - if (BIT (4)) - { - ARMul_UndefInstr (state, instr); - break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - lhs = LHS; - temp = lhs + LSRegRHS; - if (LoadWord (state, instr, lhs)) - LSBase = temp; - break; - - case 0x6a: /* Store Word, WriteBack, Post Inc, Reg */ - if (BIT (4)) - { - ARMul_UndefInstr (state, instr); - break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - lhs = LHS; - state->NtransSig = LOW; - if (StoreWord (state, instr, lhs)) - LSBase = lhs + LSRegRHS; - state->NtransSig = (state->Mode & 3) ? HIGH : LOW; - break; - - case 0x6b: /* Load Word, WriteBack, Post Inc, Reg */ - if (BIT (4)) - { - ARMul_UndefInstr (state, instr); - break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - lhs = LHS; - temp = lhs + LSRegRHS; - state->NtransSig = LOW; - if (LoadWord (state, instr, lhs)) - LSBase = temp; - state->NtransSig = (state->Mode & 3) ? HIGH : LOW; - break; - - case 0x6c: /* Store Byte, No WriteBack, Post Inc, Reg */ - if (BIT (4)) - { - ARMul_UndefInstr (state, instr); - break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - lhs = LHS; - if (StoreByte (state, instr, lhs)) - LSBase = lhs + LSRegRHS; - break; - - case 0x6d: /* Load Byte, No WriteBack, Post Inc, Reg */ - if (BIT (4)) - { - ARMul_UndefInstr (state, instr); - break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - lhs = LHS; - temp = lhs + LSRegRHS; - if (LoadByte (state, instr, lhs, LUNSIGNED)) - LSBase = temp; - break; - - case 0x6e: /* Store Byte, WriteBack, Post Inc, Reg */ - if (BIT (4)) - { - ARMul_UndefInstr (state, instr); - break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - lhs = LHS; - state->NtransSig = LOW; - if (StoreByte (state, instr, lhs)) - LSBase = lhs + LSRegRHS; - state->NtransSig = (state->Mode & 3) ? HIGH : LOW; - break; - - case 0x6f: /* Load Byte, WriteBack, Post Inc, Reg */ - if (BIT (4)) - { - ARMul_UndefInstr (state, instr); - break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - lhs = LHS; - temp = lhs + LSRegRHS; - state->NtransSig = LOW; - if (LoadByte (state, instr, lhs, LUNSIGNED)) - LSBase = temp; - state->NtransSig = (state->Mode & 3) ? HIGH : LOW; - break; - - - case 0x70: /* Store Word, No WriteBack, Pre Dec, Reg */ - if (BIT (4)) - { - ARMul_UndefInstr (state, instr); - break; - } - (void) StoreWord (state, instr, LHS - LSRegRHS); - break; - - case 0x71: /* Load Word, No WriteBack, Pre Dec, Reg */ - if (BIT (4)) - { - ARMul_UndefInstr (state, instr); - break; - } - (void) LoadWord (state, instr, LHS - LSRegRHS); - break; - - case 0x72: /* Store Word, WriteBack, Pre Dec, Reg */ - if (BIT (4)) - { - ARMul_UndefInstr (state, instr); - break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - temp = LHS - LSRegRHS; - if (StoreWord (state, instr, temp)) - LSBase = temp; - break; - - case 0x73: /* Load Word, WriteBack, Pre Dec, Reg */ - if (BIT (4)) - { - ARMul_UndefInstr (state, instr); - break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - temp = LHS - LSRegRHS; - if (LoadWord (state, instr, temp)) - LSBase = temp; - break; - - case 0x74: /* Store Byte, No WriteBack, Pre Dec, Reg */ - if (BIT (4)) - { - ARMul_UndefInstr (state, instr); - break; - } - (void) StoreByte (state, instr, LHS - LSRegRHS); - break; - - case 0x75: /* Load Byte, No WriteBack, Pre Dec, Reg */ - if (BIT (4)) - { - ARMul_UndefInstr (state, instr); - break; - } - (void) LoadByte (state, instr, LHS - LSRegRHS, LUNSIGNED); - break; - - case 0x76: /* Store Byte, WriteBack, Pre Dec, Reg */ - if (BIT (4)) - { - ARMul_UndefInstr (state, instr); - break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - temp = LHS - LSRegRHS; - if (StoreByte (state, instr, temp)) - LSBase = temp; - break; - - case 0x77: /* Load Byte, WriteBack, Pre Dec, Reg */ - if (BIT (4)) - { - ARMul_UndefInstr (state, instr); - break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - temp = LHS - LSRegRHS; - if (LoadByte (state, instr, temp, LUNSIGNED)) - LSBase = temp; - break; - - case 0x78: /* Store Word, No WriteBack, Pre Inc, Reg */ - if (BIT (4)) - { - ARMul_UndefInstr (state, instr); - break; - } - (void) StoreWord (state, instr, LHS + LSRegRHS); - break; - - case 0x79: /* Load Word, No WriteBack, Pre Inc, Reg */ - if (BIT (4)) - { - ARMul_UndefInstr (state, instr); - break; - } - (void) LoadWord (state, instr, LHS + LSRegRHS); - break; - - case 0x7a: /* Store Word, WriteBack, Pre Inc, Reg */ - if (BIT (4)) - { - ARMul_UndefInstr (state, instr); - break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - temp = LHS + LSRegRHS; - if (StoreWord (state, instr, temp)) - LSBase = temp; - break; - - case 0x7b: /* Load Word, WriteBack, Pre Inc, Reg */ - if (BIT (4)) - { - ARMul_UndefInstr (state, instr); - break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - temp = LHS + LSRegRHS; - if (LoadWord (state, instr, temp)) - LSBase = temp; - break; - - case 0x7c: /* Store Byte, No WriteBack, Pre Inc, Reg */ - if (BIT (4)) - { - ARMul_UndefInstr (state, instr); - break; - } - (void) StoreByte (state, instr, LHS + LSRegRHS); - break; - - case 0x7d: /* Load Byte, No WriteBack, Pre Inc, Reg */ - if (BIT (4)) - { - ARMul_UndefInstr (state, instr); - break; - } - (void) LoadByte (state, instr, LHS + LSRegRHS, LUNSIGNED); - break; - - case 0x7e: /* Store Byte, WriteBack, Pre Inc, Reg */ - if (BIT (4)) - { - ARMul_UndefInstr (state, instr); - break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - temp = LHS + LSRegRHS; - if (StoreByte (state, instr, temp)) - LSBase = temp; - break; - - case 0x7f: /* Load Byte, WriteBack, Pre Inc, Reg */ - if (BIT (4)) - { - /* Check for the special breakpoint opcode. - This value should correspond to the value defined - as ARM_BE_BREAKPOINT in gdb/arm/tm-arm.h. */ - if (BITS (0, 19) == 0xfdefe) - { - if (!ARMul_OSHandleSWI (state, SWI_Breakpoint)) - ARMul_Abort (state, ARMul_SWIV); - } - else - ARMul_UndefInstr (state, instr); - break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - temp = LHS + LSRegRHS; - if (LoadByte (state, instr, temp, LUNSIGNED)) - LSBase = temp; - break; - -/***************************************************************************\ -* Multiple Data Transfer Instructions * -\***************************************************************************/ - - case 0x80: /* Store, No WriteBack, Post Dec */ - STOREMULT (instr, LSBase - LSMNumRegs + 4L, 0L); - break; - - case 0x81: /* Load, No WriteBack, Post Dec */ - LOADMULT (instr, LSBase - LSMNumRegs + 4L, 0L); - break; - - case 0x82: /* Store, WriteBack, Post Dec */ - temp = LSBase - LSMNumRegs; - STOREMULT (instr, temp + 4L, temp); - break; - - case 0x83: /* Load, WriteBack, Post Dec */ - temp = LSBase - LSMNumRegs; - LOADMULT (instr, temp + 4L, temp); - break; - - case 0x84: /* Store, Flags, No WriteBack, Post Dec */ - STORESMULT (instr, LSBase - LSMNumRegs + 4L, 0L); - break; - - case 0x85: /* Load, Flags, No WriteBack, Post Dec */ - LOADSMULT (instr, LSBase - LSMNumRegs + 4L, 0L); - break; - - case 0x86: /* Store, Flags, WriteBack, Post Dec */ - temp = LSBase - LSMNumRegs; - STORESMULT (instr, temp + 4L, temp); - break; - - case 0x87: /* Load, Flags, WriteBack, Post Dec */ - temp = LSBase - LSMNumRegs; - LOADSMULT (instr, temp + 4L, temp); - break; - - case 0x88: /* Store, No WriteBack, Post Inc */ - STOREMULT (instr, LSBase, 0L); - break; - - case 0x89: /* Load, No WriteBack, Post Inc */ - LOADMULT (instr, LSBase, 0L); - break; - - case 0x8a: /* Store, WriteBack, Post Inc */ - temp = LSBase; - STOREMULT (instr, temp, temp + LSMNumRegs); - break; - - case 0x8b: /* Load, WriteBack, Post Inc */ - temp = LSBase; - LOADMULT (instr, temp, temp + LSMNumRegs); - break; - - case 0x8c: /* Store, Flags, No WriteBack, Post Inc */ - STORESMULT (instr, LSBase, 0L); - break; - - case 0x8d: /* Load, Flags, No WriteBack, Post Inc */ - LOADSMULT (instr, LSBase, 0L); - break; - - case 0x8e: /* Store, Flags, WriteBack, Post Inc */ - temp = LSBase; - STORESMULT (instr, temp, temp + LSMNumRegs); - break; - - case 0x8f: /* Load, Flags, WriteBack, Post Inc */ - temp = LSBase; - LOADSMULT (instr, temp, temp + LSMNumRegs); - break; - - case 0x90: /* Store, No WriteBack, Pre Dec */ - STOREMULT (instr, LSBase - LSMNumRegs, 0L); - break; - - case 0x91: /* Load, No WriteBack, Pre Dec */ - LOADMULT (instr, LSBase - LSMNumRegs, 0L); - break; - - case 0x92: /* Store, WriteBack, Pre Dec */ - temp = LSBase - LSMNumRegs; - STOREMULT (instr, temp, temp); - break; - - case 0x93: /* Load, WriteBack, Pre Dec */ - temp = LSBase - LSMNumRegs; - LOADMULT (instr, temp, temp); - break; - - case 0x94: /* Store, Flags, No WriteBack, Pre Dec */ - STORESMULT (instr, LSBase - LSMNumRegs, 0L); - break; - - case 0x95: /* Load, Flags, No WriteBack, Pre Dec */ - LOADSMULT (instr, LSBase - LSMNumRegs, 0L); - break; - - case 0x96: /* Store, Flags, WriteBack, Pre Dec */ - temp = LSBase - LSMNumRegs; - STORESMULT (instr, temp, temp); - break; - - case 0x97: /* Load, Flags, WriteBack, Pre Dec */ - temp = LSBase - LSMNumRegs; - LOADSMULT (instr, temp, temp); - break; - - case 0x98: /* Store, No WriteBack, Pre Inc */ - STOREMULT (instr, LSBase + 4L, 0L); - break; - - case 0x99: /* Load, No WriteBack, Pre Inc */ - LOADMULT (instr, LSBase + 4L, 0L); - break; - - case 0x9a: /* Store, WriteBack, Pre Inc */ - temp = LSBase; - STOREMULT (instr, temp + 4L, temp + LSMNumRegs); - break; - - case 0x9b: /* Load, WriteBack, Pre Inc */ - temp = LSBase; - LOADMULT (instr, temp + 4L, temp + LSMNumRegs); - break; - - case 0x9c: /* Store, Flags, No WriteBack, Pre Inc */ - STORESMULT (instr, LSBase + 4L, 0L); - break; - - case 0x9d: /* Load, Flags, No WriteBack, Pre Inc */ - LOADSMULT (instr, LSBase + 4L, 0L); - break; - - case 0x9e: /* Store, Flags, WriteBack, Pre Inc */ - temp = LSBase; - STORESMULT (instr, temp + 4L, temp + LSMNumRegs); - break; - - case 0x9f: /* Load, Flags, WriteBack, Pre Inc */ - temp = LSBase; - LOADSMULT (instr, temp + 4L, temp + LSMNumRegs); - break; - -/***************************************************************************\ -* Branch forward * -\***************************************************************************/ - - case 0xa0: - case 0xa1: - case 0xa2: - case 0xa3: - case 0xa4: - case 0xa5: - case 0xa6: - case 0xa7: - state->Reg[15] = pc + 8 + POSBRANCH; - FLUSHPIPE; - break; - -/***************************************************************************\ -* Branch backward * -\***************************************************************************/ - - case 0xa8: - case 0xa9: - case 0xaa: - case 0xab: - case 0xac: - case 0xad: - case 0xae: - case 0xaf: - state->Reg[15] = pc + 8 + NEGBRANCH; - FLUSHPIPE; - break; - -/***************************************************************************\ -* Branch and Link forward * -\***************************************************************************/ - - case 0xb0: - case 0xb1: - case 0xb2: - case 0xb3: - case 0xb4: - case 0xb5: - case 0xb6: - case 0xb7: -#ifdef MODE32 - state->Reg[14] = pc + 4; /* put PC into Link */ -#else - state->Reg[14] = (pc + 4) | ECC | ER15INT | EMODE; /* put PC into Link */ -#endif - state->Reg[15] = pc + 8 + POSBRANCH; - FLUSHPIPE; - break; - -/***************************************************************************\ -* Branch and Link backward * -\***************************************************************************/ - - case 0xb8: - case 0xb9: - case 0xba: - case 0xbb: - case 0xbc: - case 0xbd: - case 0xbe: - case 0xbf: -#ifdef MODE32 - state->Reg[14] = pc + 4; /* put PC into Link */ -#else - state->Reg[14] = (pc + 4) | ECC | ER15INT | EMODE; /* put PC into Link */ -#endif - state->Reg[15] = pc + 8 + NEGBRANCH; - FLUSHPIPE; - break; - -/***************************************************************************\ -* Co-Processor Data Transfers * -\***************************************************************************/ - - case 0xc4: - if (state->is_XScale) - { - if (BITS (4, 7) != 0x00) - ARMul_UndefInstr (state, instr); - - if (BITS (8, 11) != 0x00) - ARMul_UndefInstr (state, instr); /* Not CP0. */ - - /* XScale MAR insn. Move two registers into accumulator. */ - if (BITS (0, 3) == 0x00) - { - state->Accumulator = state->Reg[BITS (12, 15)]; - state->Accumulator += (ARMdword) state->Reg[BITS (16, 19)] << 32; - break; - } - /* Access to any other acc is unpredicatable. */ - break; - } - /* Drop through. */ - - case 0xc0: /* Store , No WriteBack , Post Dec */ - ARMul_STC (state, instr, LHS); - break; - - case 0xc5: - if (state->is_XScale) - { - if (BITS (4, 7) != 0x00) - ARMul_UndefInstr (state, instr); - - if (BITS (8, 11) != 0x00) - ARMul_UndefInstr (state, instr); /* Not CP0. */ - - /* XScale MRA insn. Move accumulator into two registers. */ - if (BITS (0, 3) == 0x00) - { - ARMword t1 = (state->Accumulator >> 32) & 255; - - if (t1 & 128) - t1 -= 256; - - state->Reg[BITS (12, 15)] = state->Accumulator; - state->Reg[BITS (16, 19)] = t1; - break; - } - /* Access to any other acc is unpredicatable. */ - break; - } - /* Drop through. */ - - case 0xc1: /* Load , No WriteBack , Post Dec */ - ARMul_LDC (state, instr, LHS); - break; - - case 0xc2: - case 0xc6: /* Store , WriteBack , Post Dec */ - lhs = LHS; - state->Base = lhs - LSCOff; - ARMul_STC (state, instr, lhs); - break; - - case 0xc3: - case 0xc7: /* Load , WriteBack , Post Dec */ - lhs = LHS; - state->Base = lhs - LSCOff; - ARMul_LDC (state, instr, lhs); - break; - - case 0xc8: - case 0xcc: /* Store , No WriteBack , Post Inc */ - ARMul_STC (state, instr, LHS); - break; - - case 0xc9: - case 0xcd: /* Load , No WriteBack , Post Inc */ - ARMul_LDC (state, instr, LHS); - break; - - case 0xca: - case 0xce: /* Store , WriteBack , Post Inc */ - lhs = LHS; - state->Base = lhs + LSCOff; - ARMul_STC (state, instr, LHS); - break; - - case 0xcb: - case 0xcf: /* Load , WriteBack , Post Inc */ - lhs = LHS; - state->Base = lhs + LSCOff; - ARMul_LDC (state, instr, LHS); - break; - - - case 0xd0: - case 0xd4: /* Store , No WriteBack , Pre Dec */ - ARMul_STC (state, instr, LHS - LSCOff); - break; - - case 0xd1: - case 0xd5: /* Load , No WriteBack , Pre Dec */ - ARMul_LDC (state, instr, LHS - LSCOff); - break; - - case 0xd2: - case 0xd6: /* Store , WriteBack , Pre Dec */ - lhs = LHS - LSCOff; - state->Base = lhs; - ARMul_STC (state, instr, lhs); - break; - - case 0xd3: - case 0xd7: /* Load , WriteBack , Pre Dec */ - lhs = LHS - LSCOff; - state->Base = lhs; - ARMul_LDC (state, instr, lhs); - break; - - case 0xd8: - case 0xdc: /* Store , No WriteBack , Pre Inc */ - ARMul_STC (state, instr, LHS + LSCOff); - break; - - case 0xd9: - case 0xdd: /* Load , No WriteBack , Pre Inc */ - ARMul_LDC (state, instr, LHS + LSCOff); - break; - - case 0xda: - case 0xde: /* Store , WriteBack , Pre Inc */ - lhs = LHS + LSCOff; - state->Base = lhs; - ARMul_STC (state, instr, lhs); - break; - - case 0xdb: - case 0xdf: /* Load , WriteBack , Pre Inc */ - lhs = LHS + LSCOff; - state->Base = lhs; - ARMul_LDC (state, instr, lhs); - break; - -/***************************************************************************\ -* Co-Processor Register Transfers (MCR) and Data Ops * -\***************************************************************************/ - - case 0xe2: - if (state->is_XScale) - switch (BITS (18, 19)) - { - case 0x0: - { - /* XScale MIA instruction. Signed multiplication of two 32 bit - values and addition to 40 bit accumulator. */ - long long Rm = state->Reg[MULLHSReg]; - long long Rs = state->Reg[MULACCReg]; - - if (Rm & (1 << 31)) - Rm -= 1ULL << 32; - if (Rs & (1 << 31)) - Rs -= 1ULL << 32; - state->Accumulator += Rm * Rs; - } - goto donext; - - case 0x2: - { - /* XScale MIAPH instruction. */ - ARMword t1 = state->Reg[MULLHSReg] >> 16; - ARMword t2 = state->Reg[MULACCReg] >> 16; - ARMword t3 = state->Reg[MULLHSReg] & 0xffff; - ARMword t4 = state->Reg[MULACCReg] & 0xffff; - long long t5; - - if (t1 & (1 << 15)) - t1 -= 1 << 16; - if (t2 & (1 << 15)) - t2 -= 1 << 16; - if (t3 & (1 << 15)) - t3 -= 1 << 16; - if (t4 & (1 << 15)) - t4 -= 1 << 16; - t1 *= t2; - t5 = t1; - if (t5 & (1 << 31)) - t5 -= 1ULL << 32; - state->Accumulator += t5; - t3 *= t4; - t5 = t3; - if (t5 & (1 << 31)) - t5 -= 1ULL << 32; - state->Accumulator += t5; - } - goto donext; - - case 0x3: - { - /* XScale MIAxy instruction. */ - ARMword t1; - ARMword t2; - long long t5; - - if (BIT (17)) - t1 = state->Reg[MULLHSReg] >> 16; - else - t1 = state->Reg[MULLHSReg] & 0xffff; - - if (BIT (16)) - t2 = state->Reg[MULACCReg] >> 16; - else - t2 = state->Reg[MULACCReg] & 0xffff; - - if (t1 & (1 << 15)) - t1 -= 1 << 16; - if (t2 & (1 << 15)) - t2 -= 1 << 16; - t1 *= t2; - t5 = t1; - if (t5 & (1 << 31)) - t5 -= 1ULL << 32; - state->Accumulator += t5; - } - goto donext; - - default: - break; - } - /* Drop through. */ - - case 0xe0: - case 0xe4: - case 0xe6: - case 0xe8: - case 0xea: - case 0xec: - case 0xee: - if (BIT (4)) - { /* MCR */ - if (DESTReg == 15) - { - UNDEF_MCRPC; -#ifdef MODE32 - ARMul_MCR (state, instr, state->Reg[15] + isize); -#else - ARMul_MCR (state, instr, ECC | ER15INT | EMODE | - ((state->Reg[15] + isize) & R15PCBITS)); -#endif - } - else - ARMul_MCR (state, instr, DEST); - } - else /* CDP Part 1 */ - ARMul_CDP (state, instr); - break; - -/***************************************************************************\ -* Co-Processor Register Transfers (MRC) and Data Ops * -\***************************************************************************/ - - case 0xe1: - case 0xe3: - case 0xe5: - case 0xe7: - case 0xe9: - case 0xeb: - case 0xed: - case 0xef: - if (BIT (4)) - { /* MRC */ - temp = ARMul_MRC (state, instr); - if (DESTReg == 15) - { - ASSIGNN ((temp & NBIT) != 0); - ASSIGNZ ((temp & ZBIT) != 0); - ASSIGNC ((temp & CBIT) != 0); - ASSIGNV ((temp & VBIT) != 0); - } - else - DEST = temp; - } - else /* CDP Part 2 */ - ARMul_CDP (state, instr); - break; - -/***************************************************************************\ -* SWI instruction * -\***************************************************************************/ - - case 0xf0: - case 0xf1: - case 0xf2: - case 0xf3: - case 0xf4: - case 0xf5: - case 0xf6: - case 0xf7: - case 0xf8: - case 0xf9: - case 0xfa: - case 0xfb: - case 0xfc: - case 0xfd: - case 0xfe: - case 0xff: - if (instr == ARMul_ABORTWORD && state->AbortAddr == pc) - { - /* A prefetch abort. */ - XScale_set_fsr_far (state, ARMul_CP15_R5_MMU_EXCPT, pc); - ARMul_Abort (state, ARMul_PrefetchAbortV); - break; - } - - if (!ARMul_OSHandleSWI (state, BITS (0, 23))) - { - ARMul_Abort (state, ARMul_SWIV); - } - break; - } /* 256 way main switch */ - } /* if temp */ - -#ifdef MODET - donext: -#endif - -#ifdef NEED_UI_LOOP_HOOK - if (ui_loop_hook != NULL && ui_loop_hook_counter-- < 0) - { - ui_loop_hook_counter = UI_LOOP_POLL_INTERVAL; - ui_loop_hook (0); - } -#endif /* NEED_UI_LOOP_HOOK */ - - if (state->Emulate == ONCE) - state->Emulate = STOP; - /* If we have changed mode, allow the PC to advance before stopping. */ - else if (state->Emulate == CHANGEMODE) - continue; - else if (state->Emulate != RUN) - break; - } - while (!stop_simulator); /* do loop */ - - state->decoded = decoded; - state->loaded = loaded; - state->pc = pc; - - return pc; -} /* Emulate 26/32 in instruction based mode */ - - -/***************************************************************************\ -* This routine evaluates most Data Processing register RHS's with the S * -* bit clear. It is intended to be called from the macro DPRegRHS, which * -* filters the common case of an unshifted register with in line code * -\***************************************************************************/ - -static ARMword -GetDPRegRHS (ARMul_State * state, ARMword instr) -{ - ARMword shamt, base; - - base = RHSReg; - if (BIT (4)) - { /* shift amount in a register */ - UNDEF_Shift; - INCPC; -#ifndef MODE32 - if (base == 15) - base = ECC | ER15INT | R15PC | EMODE; - else -#endif - base = state->Reg[base]; - ARMul_Icycles (state, 1, 0L); - shamt = state->Reg[BITS (8, 11)] & 0xff; - switch ((int) BITS (5, 6)) - { - case LSL: - if (shamt == 0) - return (base); - else if (shamt >= 32) - return (0); - else - return (base << shamt); - case LSR: - if (shamt == 0) - return (base); - else if (shamt >= 32) - return (0); - else - return (base >> shamt); - case ASR: - if (shamt == 0) - return (base); - else if (shamt >= 32) - return ((ARMword) ((long int) base >> 31L)); - else - return ((ARMword) ((long int) base >> (int) shamt)); - case ROR: - shamt &= 0x1f; - if (shamt == 0) - return (base); - else - return ((base << (32 - shamt)) | (base >> shamt)); - } - } - else - { /* shift amount is a constant */ -#ifndef MODE32 - if (base == 15) - base = ECC | ER15INT | R15PC | EMODE; - else -#endif - base = state->Reg[base]; - shamt = BITS (7, 11); - switch ((int) BITS (5, 6)) - { - case LSL: - return (base << shamt); - case LSR: - if (shamt == 0) - return (0); - else - return (base >> shamt); - case ASR: - if (shamt == 0) - return ((ARMword) ((long int) base >> 31L)); - else - return ((ARMword) ((long int) base >> (int) shamt)); - case ROR: - if (shamt == 0) /* its an RRX */ - return ((base >> 1) | (CFLAG << 31)); - else - return ((base << (32 - shamt)) | (base >> shamt)); - } - } - return (0); /* just to shut up lint */ -} - -/***************************************************************************\ -* This routine evaluates most Logical Data Processing register RHS's * -* with the S bit set. It is intended to be called from the macro * -* DPSRegRHS, which filters the common case of an unshifted register * -* with in line code * -\***************************************************************************/ - -static ARMword -GetDPSRegRHS (ARMul_State * state, ARMword instr) -{ - ARMword shamt, base; - - base = RHSReg; - if (BIT (4)) - { /* shift amount in a register */ - UNDEF_Shift; - INCPC; -#ifndef MODE32 - if (base == 15) - base = ECC | ER15INT | R15PC | EMODE; - else -#endif - base = state->Reg[base]; - ARMul_Icycles (state, 1, 0L); - shamt = state->Reg[BITS (8, 11)] & 0xff; - switch ((int) BITS (5, 6)) - { - case LSL: - if (shamt == 0) - return (base); - else if (shamt == 32) - { - ASSIGNC (base & 1); - return (0); - } - else if (shamt > 32) - { - CLEARC; - return (0); - } - else - { - ASSIGNC ((base >> (32 - shamt)) & 1); - return (base << shamt); - } - case LSR: - if (shamt == 0) - return (base); - else if (shamt == 32) - { - ASSIGNC (base >> 31); - return (0); - } - else if (shamt > 32) - { - CLEARC; - return (0); - } - else - { - ASSIGNC ((base >> (shamt - 1)) & 1); - return (base >> shamt); - } - case ASR: - if (shamt == 0) - return (base); - else if (shamt >= 32) - { - ASSIGNC (base >> 31L); - return ((ARMword) ((long int) base >> 31L)); - } - else - { - ASSIGNC ((ARMword) ((long int) base >> (int) (shamt - 1)) & 1); - return ((ARMword) ((long int) base >> (int) shamt)); - } - case ROR: - if (shamt == 0) - return (base); - shamt &= 0x1f; - if (shamt == 0) - { - ASSIGNC (base >> 31); - return (base); - } - else - { - ASSIGNC ((base >> (shamt - 1)) & 1); - return ((base << (32 - shamt)) | (base >> shamt)); - } - } - } - else - { /* shift amount is a constant */ -#ifndef MODE32 - if (base == 15) - base = ECC | ER15INT | R15PC | EMODE; - else -#endif - base = state->Reg[base]; - shamt = BITS (7, 11); - switch ((int) BITS (5, 6)) - { - case LSL: - ASSIGNC ((base >> (32 - shamt)) & 1); - return (base << shamt); - case LSR: - if (shamt == 0) - { - ASSIGNC (base >> 31); - return (0); - } - else - { - ASSIGNC ((base >> (shamt - 1)) & 1); - return (base >> shamt); - } - case ASR: - if (shamt == 0) - { - ASSIGNC (base >> 31L); - return ((ARMword) ((long int) base >> 31L)); - } - else - { - ASSIGNC ((ARMword) ((long int) base >> (int) (shamt - 1)) & 1); - return ((ARMword) ((long int) base >> (int) shamt)); - } - case ROR: - if (shamt == 0) - { /* its an RRX */ - shamt = CFLAG; - ASSIGNC (base & 1); - return ((base >> 1) | (shamt << 31)); - } - else - { - ASSIGNC ((base >> (shamt - 1)) & 1); - return ((base << (32 - shamt)) | (base >> shamt)); - } - } - } - return (0); /* just to shut up lint */ -} - -/***************************************************************************\ -* This routine handles writes to register 15 when the S bit is not set. * -\***************************************************************************/ - -static void -WriteR15 (ARMul_State * state, ARMword src) -{ - /* The ARM documentation states that the two least significant bits - are discarded when setting PC, except in the cases handled by - WriteR15Branch() below. It's probably an oversight: in THUMB - mode, the second least significant bit should probably not be - discarded. */ -#ifdef MODET - if (TFLAG) - src &= 0xfffffffe; - else -#endif - src &= 0xfffffffc; -#ifdef MODE32 - state->Reg[15] = src & PCBITS; -#else - state->Reg[15] = (src & R15PCBITS) | ECC | ER15INT | EMODE; - ARMul_R15Altered (state); -#endif - FLUSHPIPE; -} - -/***************************************************************************\ -* This routine handles writes to register 15 when the S bit is set. * -\***************************************************************************/ - -static void -WriteSR15 (ARMul_State * state, ARMword src) -{ -#ifdef MODE32 - if (state->Bank > 0) - { - state->Cpsr = state->Spsr[state->Bank]; - ARMul_CPSRAltered (state); - } -#ifdef MODET - if (TFLAG) - src &= 0xfffffffe; - else -#endif - src &= 0xfffffffc; - state->Reg[15] = src & PCBITS; -#else -#ifdef MODET - if (TFLAG) - abort (); /* ARMul_R15Altered would have to support it. */ - else -#endif - src &= 0xfffffffc; - if (state->Bank == USERBANK) - state->Reg[15] = (src & (CCBITS | R15PCBITS)) | ER15INT | EMODE; - else - state->Reg[15] = src; - ARMul_R15Altered (state); -#endif - FLUSHPIPE; -} - -/* In machines capable of running in Thumb mode, BX, BLX, LDR and LDM - will switch to Thumb mode if the least significant bit is set. */ - -static void -WriteR15Branch (ARMul_State * state, ARMword src) -{ -#ifdef MODET - if (src & 1) - { /* Thumb bit */ - SETT; - state->Reg[15] = src & 0xfffffffe; - } - else - { - CLEART; - state->Reg[15] = src & 0xfffffffc; - } - FLUSHPIPE; -#else - WriteR15 (state, src); -#endif -} - -/***************************************************************************\ -* This routine evaluates most Load and Store register RHS's. It is * -* intended to be called from the macro LSRegRHS, which filters the * -* common case of an unshifted register with in line code * -\***************************************************************************/ - -static ARMword -GetLSRegRHS (ARMul_State * state, ARMword instr) -{ - ARMword shamt, base; - - base = RHSReg; -#ifndef MODE32 - if (base == 15) - base = ECC | ER15INT | R15PC | EMODE; /* Now forbidden, but .... */ - else -#endif - base = state->Reg[base]; - - shamt = BITS (7, 11); - switch ((int) BITS (5, 6)) - { - case LSL: - return (base << shamt); - case LSR: - if (shamt == 0) - return (0); - else - return (base >> shamt); - case ASR: - if (shamt == 0) - return ((ARMword) ((long int) base >> 31L)); - else - return ((ARMword) ((long int) base >> (int) shamt)); - case ROR: - if (shamt == 0) /* its an RRX */ - return ((base >> 1) | (CFLAG << 31)); - else - return ((base << (32 - shamt)) | (base >> shamt)); - } - return (0); /* just to shut up lint */ -} - -/***************************************************************************\ -* This routine evaluates the ARM7T halfword and signed transfer RHS's. * -\***************************************************************************/ - -static ARMword -GetLS7RHS (ARMul_State * state, ARMword instr) -{ - if (BIT (22) == 0) - { /* register */ -#ifndef MODE32 - if (RHSReg == 15) - return ECC | ER15INT | R15PC | EMODE; /* Now forbidden, but ... */ -#endif - return state->Reg[RHSReg]; - } - - /* else immediate */ - return BITS (0, 3) | (BITS (8, 11) << 4); -} - -/***************************************************************************\ -* This function does the work of loading a word for a LDR instruction. * -\***************************************************************************/ - -static unsigned -LoadWord (ARMul_State * state, ARMword instr, ARMword address) -{ - ARMword dest; - - BUSUSEDINCPCS; -#ifndef MODE32 - if (ADDREXCEPT (address)) - { - INTERNALABORT (address); - } -#endif - dest = ARMul_LoadWordN (state, address); - if (state->Aborted) - { - TAKEABORT; - return (state->lateabtSig); - } - if (address & 3) - dest = ARMul_Align (state, address, dest); - WRITEDESTB (dest); - ARMul_Icycles (state, 1, 0L); - - return (DESTReg != LHSReg); -} - -#ifdef MODET -/***************************************************************************\ -* This function does the work of loading a halfword. * -\***************************************************************************/ - -static unsigned -LoadHalfWord (ARMul_State * state, ARMword instr, ARMword address, - int signextend) -{ - ARMword dest; - - BUSUSEDINCPCS; -#ifndef MODE32 - if (ADDREXCEPT (address)) - { - INTERNALABORT (address); - } -#endif - dest = ARMul_LoadHalfWord (state, address); - if (state->Aborted) - { - TAKEABORT; - return (state->lateabtSig); - } - UNDEF_LSRBPC; - if (signextend) - { - if (dest & 1 << (16 - 1)) - dest = (dest & ((1 << 16) - 1)) - (1 << 16); - } - WRITEDEST (dest); - ARMul_Icycles (state, 1, 0L); - return (DESTReg != LHSReg); -} - -#endif /* MODET */ - -/***************************************************************************\ -* This function does the work of loading a byte for a LDRB instruction. * -\***************************************************************************/ - -static unsigned -LoadByte (ARMul_State * state, ARMword instr, ARMword address, int signextend) -{ - ARMword dest; - - BUSUSEDINCPCS; -#ifndef MODE32 - if (ADDREXCEPT (address)) - { - INTERNALABORT (address); - } -#endif - dest = ARMul_LoadByte (state, address); - if (state->Aborted) - { - TAKEABORT; - return (state->lateabtSig); - } - UNDEF_LSRBPC; - if (signextend) - { - if (dest & 1 << (8 - 1)) - dest = (dest & ((1 << 8) - 1)) - (1 << 8); - } - WRITEDEST (dest); - ARMul_Icycles (state, 1, 0L); - return (DESTReg != LHSReg); -} - -/***************************************************************************\ -* This function does the work of loading two words for a LDRD instruction. * -\***************************************************************************/ - -static void -Handle_Load_Double (ARMul_State * state, ARMword instr) -{ - ARMword dest_reg; - ARMword addr_reg; - ARMword write_back = BIT (21); - ARMword immediate = BIT (22); - ARMword add_to_base = BIT (23); - ARMword pre_indexed = BIT (24); - ARMword offset; - ARMword addr; - ARMword sum; - ARMword base; - ARMword value1; - ARMword value2; - - BUSUSEDINCPCS; - - /* If the writeback bit is set, the pre-index bit must be clear. */ - if (write_back && ! pre_indexed) - { - ARMul_UndefInstr (state, instr); - return; - } - - /* Extract the base address register. */ - addr_reg = LHSReg; - - /* Extract the destination register and check it. */ - dest_reg = DESTReg; - - /* Destination register must be even. */ - if ((dest_reg & 1) - /* Destination register cannot be LR. */ - || (dest_reg == 14)) - { - ARMul_UndefInstr (state, instr); - return; - } - - /* Compute the base address. */ - base = state->Reg[addr_reg]; - - /* Compute the offset. */ - offset = immediate ? ((BITS (8, 11) << 4) | BITS (0, 3)) : state->Reg[RHSReg]; - - /* Compute the sum of the two. */ - if (add_to_base) - sum = base + offset; - else - sum = base - offset; - - /* If this is a pre-indexed mode use the sum. */ - if (pre_indexed) - addr = sum; - else - addr = base; - - /* The address must be aligned on a 8 byte boundary. */ - if (addr & 0x7) - { -#ifdef ABORTS - ARMul_DATAABORT (addr); -#else - ARMul_UndefInstr (state, instr); -#endif - return; - } - - /* For pre indexed or post indexed addressing modes, - check that the destination registers do not overlap - the address registers. */ - if ((! pre_indexed || write_back) - && ( addr_reg == dest_reg - || addr_reg == dest_reg + 1)) - { - ARMul_UndefInstr (state, instr); - return; - } - - /* Load the words. */ - value1 = ARMul_LoadWordN (state, addr); - value2 = ARMul_LoadWordN (state, addr + 4); - - /* Check for data aborts. */ - if (state->Aborted) - { - TAKEABORT; - return; - } - - ARMul_Icycles (state, 2, 0L); - - /* Store the values. */ - state->Reg[dest_reg] = value1; - state->Reg[dest_reg + 1] = value2; - - /* Do the post addressing and writeback. */ - if (! pre_indexed) - addr = sum; - - if (! pre_indexed || write_back) - state->Reg[addr_reg] = addr; -} - -/***************************************************************************\ -* This function does the work of storing two words for a STRD instruction. * -\***************************************************************************/ - -static void -Handle_Store_Double (ARMul_State * state, ARMword instr) -{ - ARMword src_reg; - ARMword addr_reg; - ARMword write_back = BIT (21); - ARMword immediate = BIT (22); - ARMword add_to_base = BIT (23); - ARMword pre_indexed = BIT (24); - ARMword offset; - ARMword addr; - ARMword sum; - ARMword base; - - BUSUSEDINCPCS; - - /* If the writeback bit is set, the pre-index bit must be clear. */ - if (write_back && ! pre_indexed) - { - ARMul_UndefInstr (state, instr); - return; - } - - /* Extract the base address register. */ - addr_reg = LHSReg; - - /* Base register cannot be PC. */ - if (addr_reg == 15) - { - ARMul_UndefInstr (state, instr); - return; - } - - /* Extract the source register. */ - src_reg = DESTReg; - - /* Source register must be even. */ - if (src_reg & 1) - { - ARMul_UndefInstr (state, instr); - return; - } - - /* Compute the base address. */ - base = state->Reg[addr_reg]; - - /* Compute the offset. */ - offset = immediate ? ((BITS (8, 11) << 4) | BITS (0, 3)) : state->Reg[RHSReg]; - - /* Compute the sum of the two. */ - if (add_to_base) - sum = base + offset; - else - sum = base - offset; - - /* If this is a pre-indexed mode use the sum. */ - if (pre_indexed) - addr = sum; - else - addr = base; - - /* The address must be aligned on a 8 byte boundary. */ - if (addr & 0x7) - { -#ifdef ABORTS - ARMul_DATAABORT (addr); -#else - ARMul_UndefInstr (state, instr); -#endif - return; - } - - /* For pre indexed or post indexed addressing modes, - check that the destination registers do not overlap - the address registers. */ - if ((! pre_indexed || write_back) - && ( addr_reg == src_reg - || addr_reg == src_reg + 1)) - { - ARMul_UndefInstr (state, instr); - return; - } - - /* Load the words. */ - ARMul_StoreWordN (state, addr, state->Reg[src_reg]); - ARMul_StoreWordN (state, addr + 4, state->Reg[src_reg + 1]); - - if (state->Aborted) - { - TAKEABORT; - return; - } - - /* Do the post addressing and writeback. */ - if (! pre_indexed) - addr = sum; - - if (! pre_indexed || write_back) - state->Reg[addr_reg] = addr; -} - -/***************************************************************************\ -* This function does the work of storing a word from a STR instruction. * -\***************************************************************************/ - -static unsigned -StoreWord (ARMul_State * state, ARMword instr, ARMword address) -{ - BUSUSEDINCPCN; -#ifndef MODE32 - if (DESTReg == 15) - state->Reg[15] = ECC | ER15INT | R15PC | EMODE; -#endif -#ifdef MODE32 - ARMul_StoreWordN (state, address, DEST); -#else - if (VECTORACCESS (address) || ADDREXCEPT (address)) - { - INTERNALABORT (address); - (void) ARMul_LoadWordN (state, address); - } - else - ARMul_StoreWordN (state, address, DEST); -#endif - if (state->Aborted) - { - TAKEABORT; - return (state->lateabtSig); - } - return (TRUE); -} - -#ifdef MODET -/***************************************************************************\ -* This function does the work of storing a byte for a STRH instruction. * -\***************************************************************************/ - -static unsigned -StoreHalfWord (ARMul_State * state, ARMword instr, ARMword address) -{ - BUSUSEDINCPCN; - -#ifndef MODE32 - if (DESTReg == 15) - state->Reg[15] = ECC | ER15INT | R15PC | EMODE; -#endif - -#ifdef MODE32 - ARMul_StoreHalfWord (state, address, DEST); -#else - if (VECTORACCESS (address) || ADDREXCEPT (address)) - { - INTERNALABORT (address); - (void) ARMul_LoadHalfWord (state, address); - } - else - ARMul_StoreHalfWord (state, address, DEST); -#endif - - if (state->Aborted) - { - TAKEABORT; - return (state->lateabtSig); - } - - return (TRUE); -} - -#endif /* MODET */ - -/***************************************************************************\ -* This function does the work of storing a byte for a STRB instruction. * -\***************************************************************************/ - -static unsigned -StoreByte (ARMul_State * state, ARMword instr, ARMword address) -{ - BUSUSEDINCPCN; -#ifndef MODE32 - if (DESTReg == 15) - state->Reg[15] = ECC | ER15INT | R15PC | EMODE; -#endif -#ifdef MODE32 - ARMul_StoreByte (state, address, DEST); -#else - if (VECTORACCESS (address) || ADDREXCEPT (address)) - { - INTERNALABORT (address); - (void) ARMul_LoadByte (state, address); - } - else - ARMul_StoreByte (state, address, DEST); -#endif - if (state->Aborted) - { - TAKEABORT; - return (state->lateabtSig); - } - UNDEF_LSRBPC; - return (TRUE); -} - -/***************************************************************************\ -* This function does the work of loading the registers listed in an LDM * -* instruction, when the S bit is clear. The code here is always increment * -* after, it's up to the caller to get the input address correct and to * -* handle base register modification. * -\***************************************************************************/ - -static void -LoadMult (ARMul_State * state, ARMword instr, ARMword address, ARMword WBBase) -{ - ARMword dest, temp; - - UNDEF_LSMNoRegs; - UNDEF_LSMPCBase; - UNDEF_LSMBaseInListWb; - BUSUSEDINCPCS; -#ifndef MODE32 - if (ADDREXCEPT (address)) - { - INTERNALABORT (address); - } -#endif - if (BIT (21) && LHSReg != 15) - LSBase = WBBase; - - for (temp = 0; !BIT (temp); temp++); /* N cycle first */ - dest = ARMul_LoadWordN (state, address); - if (!state->abortSig && !state->Aborted) - state->Reg[temp++] = dest; - else if (!state->Aborted) - { - XScale_set_fsr_far(state, ARMul_CP15_R5_ST_ALIGN, address); - state->Aborted = ARMul_DataAbortV; - } - - for (; temp < 16; temp++) /* S cycles from here on */ - if (BIT (temp)) - { /* load this register */ - address += 4; - dest = ARMul_LoadWordS (state, address); - if (!state->abortSig && !state->Aborted) - state->Reg[temp] = dest; - else if (!state->Aborted) - { - XScale_set_fsr_far(state, ARMul_CP15_R5_ST_ALIGN, address); - state->Aborted = ARMul_DataAbortV; - } - } - - if (BIT (15) && !state->Aborted) - { /* PC is in the reg list */ - WriteR15Branch(state, PC); - } - - ARMul_Icycles (state, 1, 0L); /* to write back the final register */ - - if (state->Aborted) - { - if (BIT (21) && LHSReg != 15) - LSBase = WBBase; - TAKEABORT; - } -} - -/***************************************************************************\ -* This function does the work of loading the registers listed in an LDM * -* instruction, when the S bit is set. The code here is always increment * -* after, it's up to the caller to get the input address correct and to * -* handle base register modification. * -\***************************************************************************/ - -static void -LoadSMult (ARMul_State * state, - ARMword instr, - ARMword address, - ARMword WBBase) -{ - ARMword dest, temp; - - UNDEF_LSMNoRegs; - UNDEF_LSMPCBase; - UNDEF_LSMBaseInListWb; - - BUSUSEDINCPCS; - -#ifndef MODE32 - if (ADDREXCEPT (address)) - { - INTERNALABORT (address); - } -#endif - - if (BIT (21) && LHSReg != 15) - LSBase = WBBase; - - if (!BIT (15) && state->Bank != USERBANK) - { - /* Temporary reg bank switch. */ - (void) ARMul_SwitchMode (state, state->Mode, USER26MODE); - UNDEF_LSMUserBankWb; - } - - for (temp = 0; !BIT (temp); temp ++) - ; /* N cycle first. */ - - dest = ARMul_LoadWordN (state, address); - - if (!state->abortSig) - state->Reg[temp++] = dest; - else if (!state->Aborted) - { - XScale_set_fsr_far(state, ARMul_CP15_R5_ST_ALIGN, address); - state->Aborted = ARMul_DataAbortV; - } - - for (; temp < 16; temp++) - /* S cycles from here on. */ - if (BIT (temp)) - { - /* Load this register. */ - address += 4; - dest = ARMul_LoadWordS (state, address); - - if (!state->abortSig && !state->Aborted) - state->Reg[temp] = dest; - else if (!state->Aborted) - { - XScale_set_fsr_far(state, ARMul_CP15_R5_ST_ALIGN, address); - state->Aborted = ARMul_DataAbortV; - } - } - - if (BIT (15) && !state->Aborted) - { - /* PC is in the reg list. */ -#ifdef MODE32 - if (state->Mode != USER26MODE && state->Mode != USER32MODE) - { - state->Cpsr = GETSPSR (state->Bank); - ARMul_CPSRAltered (state); - } - - WriteR15 (state, PC); -#else - if (state->Mode == USER26MODE || state->Mode == USER32MODE) - { - /* Protect bits in user mode. */ - ASSIGNN ((state->Reg[15] & NBIT) != 0); - ASSIGNZ ((state->Reg[15] & ZBIT) != 0); - ASSIGNC ((state->Reg[15] & CBIT) != 0); - ASSIGNV ((state->Reg[15] & VBIT) != 0); - } - else - ARMul_R15Altered (state); - - FLUSHPIPE; -#endif - } - - if (!BIT (15) && state->Mode != USER26MODE && state->Mode != USER32MODE) - /* Restore the correct bank. */ - (void) ARMul_SwitchMode (state, USER26MODE, state->Mode); - - /* To write back the final register. */ - ARMul_Icycles (state, 1, 0L); - - if (state->Aborted) - { - if (BIT (21) && LHSReg != 15) - LSBase = WBBase; - - TAKEABORT; - } -} - -/***************************************************************************\ -* This function does the work of storing the registers listed in an STM * -* instruction, when the S bit is clear. The code here is always increment * -* after, it's up to the caller to get the input address correct and to * -* handle base register modification. * -\***************************************************************************/ - -static void -StoreMult (ARMul_State * state, ARMword instr, - ARMword address, ARMword WBBase) -{ - ARMword temp; - - UNDEF_LSMNoRegs; - UNDEF_LSMPCBase; - UNDEF_LSMBaseInListWb; - if (!TFLAG) - { - BUSUSEDINCPCN; /* N-cycle, increment the PC and update the NextInstr state */ - } - -#ifndef MODE32 - if (VECTORACCESS (address) || ADDREXCEPT (address)) - { - INTERNALABORT (address); - } - if (BIT (15)) - PATCHR15; -#endif - - for (temp = 0; !BIT (temp); temp++); /* N cycle first */ -#ifdef MODE32 - ARMul_StoreWordN (state, address, state->Reg[temp++]); -#else - if (state->Aborted) - { - (void) ARMul_LoadWordN (state, address); - for (; temp < 16; temp++) /* Fake the Stores as Loads */ - if (BIT (temp)) - { /* save this register */ - address += 4; - (void) ARMul_LoadWordS (state, address); - } - if (BIT (21) && LHSReg != 15) - LSBase = WBBase; - TAKEABORT; - return; - } - else - ARMul_StoreWordN (state, address, state->Reg[temp++]); -#endif - - if (state->abortSig && !state->Aborted) - { - XScale_set_fsr_far(state, ARMul_CP15_R5_ST_ALIGN, address); - state->Aborted = ARMul_DataAbortV; - } - - if (BIT (21) && LHSReg != 15) - LSBase = WBBase; - - for (; temp < 16; temp++) /* S cycles from here on */ - if (BIT (temp)) - { /* save this register */ - address += 4; - - ARMul_StoreWordS (state, address, state->Reg[temp]); - - if (state->abortSig && !state->Aborted) - { - XScale_set_fsr_far(state, ARMul_CP15_R5_ST_ALIGN, address); - state->Aborted = ARMul_DataAbortV; - } - } - - if (state->Aborted) - { - TAKEABORT; - } -} - -/***************************************************************************\ -* This function does the work of storing the registers listed in an STM * -* instruction when the S bit is set. The code here is always increment * -* after, it's up to the caller to get the input address correct and to * -* handle base register modification. * -\***************************************************************************/ - -static void -StoreSMult (ARMul_State * state, - ARMword instr, - ARMword address, - ARMword WBBase) -{ - ARMword temp; - - UNDEF_LSMNoRegs; - UNDEF_LSMPCBase; - UNDEF_LSMBaseInListWb; - - BUSUSEDINCPCN; - -#ifndef MODE32 - if (VECTORACCESS (address) || ADDREXCEPT (address)) - { - INTERNALABORT (address); - } - - if (BIT (15)) - PATCHR15; -#endif - - if (state->Bank != USERBANK) - { - /* Force User Bank. */ - (void) ARMul_SwitchMode (state, state->Mode, USER26MODE); - UNDEF_LSMUserBankWb; - } - - for (temp = 0; !BIT (temp); temp++) - ; /* N cycle first. */ - -#ifdef MODE32 - ARMul_StoreWordN (state, address, state->Reg[temp++]); -#else - if (state->Aborted) - { - (void) ARMul_LoadWordN (state, address); - - for (; temp < 16; temp++) - /* Fake the Stores as Loads. */ - if (BIT (temp)) - { - /* Save this register. */ - address += 4; - - (void) ARMul_LoadWordS (state, address); - } - - if (BIT (21) && LHSReg != 15) - LSBase = WBBase; - - TAKEABORT; - - return; - } - else - ARMul_StoreWordN (state, address, state->Reg[temp++]); -#endif - - if (state->abortSig && !state->Aborted) - { - XScale_set_fsr_far(state, ARMul_CP15_R5_ST_ALIGN, address); - state->Aborted = ARMul_DataAbortV; - } - - for (; temp < 16; temp++) - /* S cycles from here on. */ - if (BIT (temp)) - { - /* Save this register. */ - address += 4; - - ARMul_StoreWordS (state, address, state->Reg[temp]); - - if (state->abortSig && !state->Aborted) - { - XScale_set_fsr_far(state, ARMul_CP15_R5_ST_ALIGN, address); - state->Aborted = ARMul_DataAbortV; - } - } - - if (state->Mode != USER26MODE && state->Mode != USER32MODE) - /* Restore the correct bank. */ - (void) ARMul_SwitchMode (state, USER26MODE, state->Mode); - - if (BIT (21) && LHSReg != 15) - LSBase = WBBase; - - if (state->Aborted) - { - TAKEABORT; - } -} - -/***************************************************************************\ -* This function does the work of adding two 32bit values together, and * -* calculating if a carry has occurred. * -\***************************************************************************/ - -static ARMword -Add32 (ARMword a1, ARMword a2, int *carry) -{ - ARMword result = (a1 + a2); - unsigned int uresult = (unsigned int) result; - unsigned int ua1 = (unsigned int) a1; - - /* If (result == RdLo) and (state->Reg[nRdLo] == 0), - or (result > RdLo) then we have no carry: */ - if ((uresult == ua1) ? (a2 != 0) : (uresult < ua1)) - *carry = 1; - else - *carry = 0; - - return (result); -} - -/***************************************************************************\ -* This function does the work of multiplying two 32bit values to give a * -* 64bit result. * -\***************************************************************************/ - -static unsigned -Multiply64 (ARMul_State * state, ARMword instr, int msigned, int scc) -{ - int nRdHi, nRdLo, nRs, nRm; /* operand register numbers */ - ARMword RdHi = 0, RdLo = 0, Rm; - int scount; /* cycle count */ - - nRdHi = BITS (16, 19); - nRdLo = BITS (12, 15); - nRs = BITS (8, 11); - nRm = BITS (0, 3); - - /* Needed to calculate the cycle count: */ - Rm = state->Reg[nRm]; - - /* Check for illegal operand combinations first: */ - if (nRdHi != 15 - && nRdLo != 15 - && nRs != 15 - && nRm != 15 && nRdHi != nRdLo && nRdHi != nRm && nRdLo != nRm) - { - ARMword lo, mid1, mid2, hi; /* intermediate results */ - int carry; - ARMword Rs = state->Reg[nRs]; - int sign = 0; - - if (msigned) - { - /* Compute sign of result and adjust operands if necessary. */ - - sign = (Rm ^ Rs) & 0x80000000; - - if (((signed long) Rm) < 0) - Rm = -Rm; - - if (((signed long) Rs) < 0) - Rs = -Rs; - } - - /* We can split the 32x32 into four 16x16 operations. This ensures - that we do not lose precision on 32bit only hosts: */ - lo = ((Rs & 0xFFFF) * (Rm & 0xFFFF)); - mid1 = ((Rs & 0xFFFF) * ((Rm >> 16) & 0xFFFF)); - mid2 = (((Rs >> 16) & 0xFFFF) * (Rm & 0xFFFF)); - hi = (((Rs >> 16) & 0xFFFF) * ((Rm >> 16) & 0xFFFF)); - - /* We now need to add all of these results together, taking care - to propogate the carries from the additions: */ - RdLo = Add32 (lo, (mid1 << 16), &carry); - RdHi = carry; - RdLo = Add32 (RdLo, (mid2 << 16), &carry); - RdHi += - (carry + ((mid1 >> 16) & 0xFFFF) + ((mid2 >> 16) & 0xFFFF) + hi); - - if (sign) - { - /* Negate result if necessary. */ - - RdLo = ~RdLo; - RdHi = ~RdHi; - if (RdLo == 0xFFFFFFFF) - { - RdLo = 0; - RdHi += 1; - } - else - RdLo += 1; - } - - state->Reg[nRdLo] = RdLo; - state->Reg[nRdHi] = RdHi; - } /* else undefined result */ - else - fprintf (stderr, "sim: MULTIPLY64 - INVALID ARGUMENTS\n"); - - if (scc) - { - /* Ensure that both RdHi and RdLo are used to compute Z, but - don't let RdLo's sign bit make it to N. */ - ARMul_NegZero (state, RdHi | (RdLo >> 16) | (RdLo & 0xFFFF)); - } - - /* The cycle count depends on whether the instruction is a signed or - unsigned multiply, and what bits are clear in the multiplier: */ - if (msigned && (Rm & ((unsigned) 1 << 31))) - Rm = ~Rm; /* invert the bits to make the check against zero */ - - if ((Rm & 0xFFFFFF00) == 0) - scount = 1; - else if ((Rm & 0xFFFF0000) == 0) - scount = 2; - else if ((Rm & 0xFF000000) == 0) - scount = 3; - else - scount = 4; - - return 2 + scount; -} - -/***************************************************************************\ -* This function does the work of multiplying two 32bit values and adding * -* a 64bit value to give a 64bit result. * -\***************************************************************************/ - -static unsigned -MultiplyAdd64 (ARMul_State * state, ARMword instr, int msigned, int scc) -{ - unsigned scount; - ARMword RdLo, RdHi; - int nRdHi, nRdLo; - int carry = 0; - - nRdHi = BITS (16, 19); - nRdLo = BITS (12, 15); - - RdHi = state->Reg[nRdHi]; - RdLo = state->Reg[nRdLo]; - - scount = Multiply64 (state, instr, msigned, LDEFAULT); - - RdLo = Add32 (RdLo, state->Reg[nRdLo], &carry); - RdHi = (RdHi + state->Reg[nRdHi]) + carry; - - state->Reg[nRdLo] = RdLo; - state->Reg[nRdHi] = RdHi; - - if (scc) - { - /* Ensure that both RdHi and RdLo are used to compute Z, but - don't let RdLo's sign bit make it to N. */ - ARMul_NegZero (state, RdHi | (RdLo >> 16) | (RdLo & 0xFFFF)); - } - - return scount + 1; /* extra cycle for addition */ -} diff --git a/sim/arm/armemu.h b/sim/arm/armemu.h deleted file mode 100644 index 009e9c8771a..00000000000 --- a/sim/arm/armemu.h +++ /dev/null @@ -1,496 +0,0 @@ -/* armemu.h -- ARMulator emulation macros: ARM6 Instruction Emulator. - Copyright (C) 1994 Advanced RISC Machines Ltd. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -extern ARMword isize; - -/***************************************************************************\ -* Condition code values * -\***************************************************************************/ - -#define EQ 0 -#define NE 1 -#define CS 2 -#define CC 3 -#define MI 4 -#define PL 5 -#define VS 6 -#define VC 7 -#define HI 8 -#define LS 9 -#define GE 10 -#define LT 11 -#define GT 12 -#define LE 13 -#define AL 14 -#define NV 15 - -/***************************************************************************\ -* Shift Opcodes * -\***************************************************************************/ - -#define LSL 0 -#define LSR 1 -#define ASR 2 -#define ROR 3 - -/***************************************************************************\ -* Macros to twiddle the status flags and mode * -\***************************************************************************/ - -#define NBIT ((unsigned)1L << 31) -#define ZBIT (1L << 30) -#define CBIT (1L << 29) -#define VBIT (1L << 28) -#define SBIT (1L << 27) -#define IBIT (1L << 7) -#define FBIT (1L << 6) -#define IFBITS (3L << 6) -#define R15IBIT (1L << 27) -#define R15FBIT (1L << 26) -#define R15IFBITS (3L << 26) - -#define POS(i) ( (~(i)) >> 31 ) -#define NEG(i) ( (i) >> 31 ) - -#ifdef MODET /* Thumb support */ -/* ??? This bit is actually in the low order bit of the PC in the hardware. - It isn't clear if the simulator needs to model that or not. */ -#define TBIT (1L << 5) -#define TFLAG state->TFlag -#define SETT state->TFlag = 1 -#define CLEART state->TFlag = 0 -#define ASSIGNT(res) state->TFlag = res -#define INSN_SIZE (TFLAG ? 2 : 4) -#else -#define INSN_SIZE 4 -#endif - -#define NFLAG state->NFlag -#define SETN state->NFlag = 1 -#define CLEARN state->NFlag = 0 -#define ASSIGNN(res) state->NFlag = res - -#define ZFLAG state->ZFlag -#define SETZ state->ZFlag = 1 -#define CLEARZ state->ZFlag = 0 -#define ASSIGNZ(res) state->ZFlag = res - -#define CFLAG state->CFlag -#define SETC state->CFlag = 1 -#define CLEARC state->CFlag = 0 -#define ASSIGNC(res) state->CFlag = res - -#define VFLAG state->VFlag -#define SETV state->VFlag = 1 -#define CLEARV state->VFlag = 0 -#define ASSIGNV(res) state->VFlag = res - -#define SFLAG state->SFlag -#define SETS state->SFlag = 1 -#define CLEARS state->SFlag = 0 -#define ASSIGNS(res) state->SFlag = res - -#define IFLAG (state->IFFlags >> 1) -#define FFLAG (state->IFFlags & 1) -#define IFFLAGS state->IFFlags -#define ASSIGNINT(res) state->IFFlags = (((res) >> 6) & 3) -#define ASSIGNR15INT(res) state->IFFlags = (((res) >> 26) & 3) ; - -#define PSR_FBITS (0xff000000L) -#define PSR_SBITS (0x00ff0000L) -#define PSR_XBITS (0x0000ff00L) -#define PSR_CBITS (0x000000ffL) - -#if defined MODE32 || defined MODET -#define CCBITS (0xf8000000L) -#else -#define CCBITS (0xf0000000L) -#endif - -#define INTBITS (0xc0L) - -#if defined MODET && defined MODE32 -#define PCBITS (0xffffffffL) -#else -#define PCBITS (0xfffffffcL) -#endif - -#define MODEBITS (0x1fL) -#define R15INTBITS (3L << 26) - -#if defined MODET && defined MODE32 -#define R15PCBITS (0x03ffffffL) -#else -#define R15PCBITS (0x03fffffcL) -#endif - -#define R15PCMODEBITS (0x03ffffffL) -#define R15MODEBITS (0x3L) - -#ifdef MODE32 -#define PCMASK PCBITS -#define PCWRAP(pc) (pc) -#else -#define PCMASK R15PCBITS -#define PCWRAP(pc) ((pc) & R15PCBITS) -#endif - -#define PC (state->Reg[15] & PCMASK) -#define R15CCINTMODE (state->Reg[15] & (CCBITS | R15INTBITS | R15MODEBITS)) -#define R15INT (state->Reg[15] & R15INTBITS) -#define R15INTPC (state->Reg[15] & (R15INTBITS | R15PCBITS)) -#define R15INTPCMODE (state->Reg[15] & (R15INTBITS | R15PCBITS | R15MODEBITS)) -#define R15INTMODE (state->Reg[15] & (R15INTBITS | R15MODEBITS)) -#define R15PC (state->Reg[15] & R15PCBITS) -#define R15PCMODE (state->Reg[15] & (R15PCBITS | R15MODEBITS)) -#define R15MODE (state->Reg[15] & R15MODEBITS) - -#define ECC ((NFLAG << 31) | (ZFLAG << 30) | (CFLAG << 29) | (VFLAG << 28) | (SFLAG << 27)) -#define EINT (IFFLAGS << 6) -#define ER15INT (IFFLAGS << 26) -#define EMODE (state->Mode) - -#ifdef MODET -#define CPSR (ECC | EINT | EMODE | (TFLAG << 5)) -#else -#define CPSR (ECC | EINT | EMODE) -#endif - -#ifdef MODE32 -#define PATCHR15 -#else -#define PATCHR15 state->Reg[15] = ECC | ER15INT | EMODE | R15PC -#endif - -#define GETSPSR(bank) (ARMul_GetSPSR (state, EMODE)) -#define SETPSR_F(d,s) d = ((d) & ~PSR_FBITS) | ((s) & PSR_FBITS) -#define SETPSR_S(d,s) d = ((d) & ~PSR_SBITS) | ((s) & PSR_SBITS) -#define SETPSR_X(d,s) d = ((d) & ~PSR_XBITS) | ((s) & PSR_XBITS) -#define SETPSR_C(d,s) d = ((d) & ~PSR_CBITS) | ((s) & PSR_CBITS) -#define SETR15PSR(s) if (state->Mode == USER26MODE) { \ - state->Reg[15] = ((s) & CCBITS) | R15PC | ER15INT | EMODE ; \ - ASSIGNN((state->Reg[15] & NBIT) != 0) ; \ - ASSIGNZ((state->Reg[15] & ZBIT) != 0) ; \ - ASSIGNC((state->Reg[15] & CBIT) != 0) ; \ - ASSIGNV((state->Reg[15] & VBIT) != 0) ; \ - } \ - else { \ - state->Reg[15] = R15PC | ((s) & (CCBITS | R15INTBITS | R15MODEBITS)) ; \ - ARMul_R15Altered (state) ; \ - } -#define SETABORT(i,m,d) do { \ - int SETABORT_mode = (m); \ - ARMul_SetSPSR (state, SETABORT_mode, ARMul_GetCPSR (state)); \ - ARMul_SetCPSR (state, ((ARMul_GetCPSR (state) & ~(EMODE | TBIT)) \ - | (i) | SETABORT_mode)); \ - state->Reg[14] = temp - (d); \ -} while (0) - -#ifndef MODE32 -#define VECTORS 0x20 -#define LEGALADDR 0x03ffffff -#define VECTORACCESS(address) (address < VECTORS && ARMul_MODE26BIT && state->prog32Sig) -#define ADDREXCEPT(address) (address > LEGALADDR && !state->data32Sig) -#endif - -#define INTERNALABORT(address) if (address < VECTORS) \ - state->Aborted = ARMul_DataAbortV ; \ - else \ - state->Aborted = ARMul_AddrExceptnV ; - -#ifdef MODE32 -#define TAKEABORT ARMul_Abort(state,ARMul_DataAbortV) -#else -#define TAKEABORT if (state->Aborted == ARMul_AddrExceptnV) \ - ARMul_Abort(state,ARMul_AddrExceptnV) ; \ - else \ - ARMul_Abort(state,ARMul_DataAbortV) -#endif -#define CPTAKEABORT if (!state->Aborted) \ - ARMul_Abort(state,ARMul_UndefinedInstrV) ; \ - else if (state->Aborted == ARMul_AddrExceptnV) \ - ARMul_Abort(state,ARMul_AddrExceptnV) ; \ - else \ - ARMul_Abort(state,ARMul_DataAbortV) - - -/***************************************************************************\ -* Different ways to start the next instruction * -\***************************************************************************/ - -#define SEQ 0 -#define NONSEQ 1 -#define PCINCEDSEQ 2 -#define PCINCEDNONSEQ 3 -#define PRIMEPIPE 4 -#define RESUME 8 - -#define NORMALCYCLE state->NextInstr = 0 -#define BUSUSEDN state->NextInstr |= 1 /* The next fetch will be an N cycle. */ -#define BUSUSEDINCPCS \ - do \ - { \ - if (! state->is_v4) \ - { \ - state->Reg[15] += isize ; /* A standard PC inc and an S cycle. */ \ - state->NextInstr = (state->NextInstr & 0xff) | 2; \ - } \ - } \ - while (0) -#define BUSUSEDINCPCN \ - do \ - { \ - if (state->is_v4) \ - BUSUSEDN; \ - else \ - { \ - state->Reg[15] += isize ; /* A standard PC inc and an N cycle. */ \ - state->NextInstr |= 3; \ - } \ - } \ - while (0) -#define INCPC state->Reg[15] += isize ; /* a standard PC inc */ \ - state->NextInstr |= 2 -#define FLUSHPIPE state->NextInstr |= PRIMEPIPE - -/***************************************************************************\ -* Cycle based emulation * -\***************************************************************************/ - -#define OUTPUTCP(i,a,b) -#define NCYCLE -#define SCYCLE -#define ICYCLE -#define CCYCLE -#define NEXTCYCLE(c) - -/***************************************************************************\ -* States of the cycle based state machine * -\***************************************************************************/ - - -/***************************************************************************\ -* Macros to extract parts of instructions * -\***************************************************************************/ - -#define DESTReg (BITS(12,15)) -#define LHSReg (BITS(16,19)) -#define RHSReg (BITS(0,3)) - -#define DEST (state->Reg[DESTReg]) - -#ifdef MODE32 -#ifdef MODET -#define LHS ((LHSReg == 15) ? (state->Reg[15] & 0xFFFFFFFC): (state->Reg[LHSReg])) -#else -#define LHS (state->Reg[LHSReg]) -#endif -#else -#define LHS ((LHSReg == 15) ? R15PC : (state->Reg[LHSReg]) ) -#endif - -#define MULDESTReg (BITS(16,19)) -#define MULLHSReg (BITS(0,3)) -#define MULRHSReg (BITS(8,11)) -#define MULACCReg (BITS(12,15)) - -#define DPImmRHS (ARMul_ImmedTable[BITS(0,11)]) -#define DPSImmRHS temp = BITS(0,11) ; \ - rhs = ARMul_ImmedTable[temp] ; \ - if (temp > 255) /* there was a shift */ \ - ASSIGNC(rhs >> 31) ; - -#ifdef MODE32 -#define DPRegRHS ((BITS(4,11)==0) ? state->Reg[RHSReg] \ - : GetDPRegRHS(state, instr)) -#define DPSRegRHS ((BITS(4,11)==0) ? state->Reg[RHSReg] \ - : GetDPSRegRHS(state, instr)) -#else -#define DPRegRHS ((BITS(0,11)<15) ? state->Reg[RHSReg] \ - : GetDPRegRHS(state, instr)) -#define DPSRegRHS ((BITS(0,11)<15) ? state->Reg[RHSReg] \ - : GetDPSRegRHS(state, instr)) -#endif - -#define LSBase state->Reg[LHSReg] -#define LSImmRHS (BITS(0,11)) - -#ifdef MODE32 -#define LSRegRHS ((BITS(4,11)==0) ? state->Reg[RHSReg] \ - : GetLSRegRHS(state, instr)) -#else -#define LSRegRHS ((BITS(0,11)<15) ? state->Reg[RHSReg] \ - : GetLSRegRHS(state, instr)) -#endif - -#define LSMNumRegs ((ARMword)ARMul_BitList[BITS(0,7)] + \ - (ARMword)ARMul_BitList[BITS(8,15)] ) -#define LSMBaseFirst ((LHSReg == 0 && BIT(0)) || \ - (BIT(LHSReg) && BITS(0,LHSReg-1) == 0)) - -#define SWAPSRC (state->Reg[RHSReg]) - -#define LSCOff (BITS(0,7) << 2) -#define CPNum BITS(8,11) - -/***************************************************************************\ -* Macro to rotate n right by b bits * -\***************************************************************************/ - -#define ROTATER(n,b) (((n)>>(b))|((n)<<(32-(b)))) - -/***************************************************************************\ -* Macros to store results of instructions * -\***************************************************************************/ - -#define WRITEDEST(d) if (DESTReg==15) \ - WriteR15(state, d) ; \ - else \ - DEST = d - -#define WRITESDEST(d) if (DESTReg == 15) \ - WriteSR15(state, d) ; \ - else { \ - DEST = d ; \ - ARMul_NegZero(state, d) ; \ - } - -#define WRITEDESTB(d) if (DESTReg == 15) \ - WriteR15Branch(state, d) ; \ - else \ - DEST = d - -#define BYTETOBUS(data) ((data & 0xff) | \ - ((data & 0xff) << 8) | \ - ((data & 0xff) << 16) | \ - ((data & 0xff) << 24)) -#define BUSTOBYTE(address,data) \ - if (state->bigendSig) \ - temp = (data >> (((address ^ 3) & 3) << 3)) & 0xff ; \ - else \ - temp = (data >> ((address & 3) << 3)) & 0xff - -#define LOADMULT(instr,address,wb) LoadMult(state,instr,address,wb) -#define LOADSMULT(instr,address,wb) LoadSMult(state,instr,address,wb) -#define STOREMULT(instr,address,wb) StoreMult(state,instr,address,wb) -#define STORESMULT(instr,address,wb) StoreSMult(state,instr,address,wb) - -#define POSBRANCH ((instr & 0x7fffff) << 2) -#define NEGBRANCH ((0xff000000 |(instr & 0xffffff)) << 2) - - -/***************************************************************************\ -* Values for Emulate * -\***************************************************************************/ - -#define STOP 0 /* stop */ -#define CHANGEMODE 1 /* change mode */ -#define ONCE 2 /* execute just one interation */ -#define RUN 3 /* continuous execution */ - -/***************************************************************************\ -* Stuff that is shared across modes * -\***************************************************************************/ - -extern ARMword ARMul_Emulate26 (ARMul_State * state); -extern ARMword ARMul_Emulate32 (ARMul_State * state); -extern unsigned ARMul_MultTable[]; /* Number of I cycles for a mult */ -extern ARMword ARMul_ImmedTable[]; /* immediate DP LHS values */ -extern char ARMul_BitList[]; /* number of bits in a byte table */ -extern void ARMul_Abort26 (ARMul_State * state, ARMword); -extern void ARMul_Abort32 (ARMul_State * state, ARMword); -extern unsigned ARMul_NthReg (ARMword instr, unsigned number); -extern void ARMul_MSRCpsr (ARMul_State * state, ARMword instr, ARMword rhs); -extern void ARMul_NegZero (ARMul_State * state, ARMword result); -extern void ARMul_AddCarry (ARMul_State * state, ARMword a, ARMword b, - ARMword result); -extern int AddOverflow (ARMword a, ARMword b, ARMword result); -extern int SubOverflow (ARMword a, ARMword b, ARMword result); -extern void ARMul_AddOverflow (ARMul_State * state, ARMword a, ARMword b, - ARMword result); -extern void ARMul_SubCarry (ARMul_State * state, ARMword a, ARMword b, - ARMword result); -extern void ARMul_SubOverflow (ARMul_State * state, ARMword a, ARMword b, - ARMword result); -extern void ARMul_CPSRAltered (ARMul_State * state); -extern void ARMul_R15Altered (ARMul_State * state); -extern ARMword ARMul_SwitchMode (ARMul_State * state, ARMword oldmode, - ARMword newmode); -extern unsigned ARMul_NthReg (ARMword instr, unsigned number); -extern void ARMul_LDC (ARMul_State * state, ARMword instr, ARMword address); -extern void ARMul_STC (ARMul_State * state, ARMword instr, ARMword address); -extern void ARMul_MCR (ARMul_State * state, ARMword instr, ARMword source); -extern ARMword ARMul_MRC (ARMul_State * state, ARMword instr); -extern void ARMul_CDP (ARMul_State * state, ARMword instr); -extern unsigned IntPending (ARMul_State * state); -extern ARMword ARMul_Align (ARMul_State * state, ARMword address, - ARMword data); -#define EVENTLISTSIZE 1024L - -/* Thumb support: */ - -typedef enum -{ - t_undefined, /* undefined Thumb instruction */ - t_decoded, /* instruction decoded to ARM equivalent */ - t_branch /* Thumb branch (already processed) */ -} -tdstate; - -extern tdstate ARMul_ThumbDecode (ARMul_State * state, ARMword pc, - ARMword tinstr, ARMword * ainstr); - -/***************************************************************************\ -* Macros to scrutinize instructions * -\***************************************************************************/ - - -#define UNDEF_Test -#define UNDEF_Shift -#define UNDEF_MSRPC -#define UNDEF_MRSPC -#define UNDEF_MULPCDest -#define UNDEF_MULDestEQOp1 -#define UNDEF_LSRBPC -#define UNDEF_LSRBaseEQOffWb -#define UNDEF_LSRBaseEQDestWb -#define UNDEF_LSRPCBaseWb -#define UNDEF_LSRPCOffWb -#define UNDEF_LSMNoRegs -#define UNDEF_LSMPCBase -#define UNDEF_LSMUserBankWb -#define UNDEF_LSMBaseInListWb -#define UNDEF_SWPPC -#define UNDEF_CoProHS -#define UNDEF_MCRPC -#define UNDEF_LSCPCBaseWb -#define UNDEF_UndefNotBounced -#define UNDEF_ShortInt -#define UNDEF_IllegalMode -#define UNDEF_Prog32SigChange -#define UNDEF_Data32SigChange - -/* Coprocessor support functions. */ -extern unsigned ARMul_CoProInit (ARMul_State *); -extern void ARMul_CoProExit (ARMul_State *); -extern void ARMul_CoProAttach (ARMul_State *, unsigned, ARMul_CPInits *, ARMul_CPExits *, - ARMul_LDCs *, ARMul_STCs *, ARMul_MRCs *, ARMul_MCRs *, - ARMul_CDPs *, ARMul_CPReads *, ARMul_CPWrites *); -extern void ARMul_CoProDetach (ARMul_State *, unsigned); -extern void write_cp15_reg (ARMul_State *, unsigned, unsigned, unsigned, ARMword); -extern void write_cp14_reg (unsigned, ARMword); -extern ARMword read_cp14_reg (unsigned); diff --git a/sim/arm/armfpe.h b/sim/arm/armfpe.h deleted file mode 100644 index 8093096e2f2..00000000000 --- a/sim/arm/armfpe.h +++ /dev/null @@ -1,1352 +0,0 @@ -/* armfpe.h -- ARMulator pre-compiled FPE: ARM6 Instruction Emulator. - Copyright (C) 1994 Advanced RISC Machines Ltd. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -/* Array containing the Floating Point Emualtor (FPE). */ - - -unsigned long fpecode[] = { - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00070000, 0x00000000, 0xe92d400e, 0xeb0013ef, - 0xe28f00d4, 0xe1a00120, 0xe38004ea, 0xe3a01004, - 0xe5912000, 0xe24f3028, 0xe1500002, 0x15832000, - 0x15810000, 0xe3a00001, 0xe8bd800e, 0xe28d9040, - 0xe1a0a00e, 0xe24f7048, 0xe597b000, 0xe20b74ee, - 0xe14f8000, 0xe2088040, 0xe388809b, 0xe121f008, - 0xe35704ea, 0x004bb007, 0x01a0b10b, 0x028bf00c, - 0xe20b733b, 0xe3570339, 0x01a0ba0b, 0x01a0ba2b, - 0x059bb00c, 0x0249800c, 0x08880e00, 0x0919ff80, - 0xe24f7094, 0xe1a0f007, 0xe14f8000, 0xe2088040, - 0xe3888093, 0xe121f008, 0xe8dd7fff, 0xe1a00000, - 0xe28dd03c, 0xe8fd8000, 0xe14f8000, 0xe2088040, - 0xe3888093, 0xe121f008, 0xe8bd1fff, 0xe28dd00c, - 0xe1b0f00e, 0xe14f8000, 0xe2088040, 0xe3888093, - 0xe121f008, 0xe28dd01c, 0xe8bd1f80, 0xe28dd00c, - 0xe1b0f00e, 0x00002100, 0xe90d4007, 0xe14f0000, - 0xe24d1010, 0xe10f2000, 0xe20220c0, 0xe3822003, - 0xe121f002, 0xe169f000, 0xe8914007, 0xe24dd040, - 0xe8cd7fff, 0xe24fcf6b, 0xe58de03c, 0xe24ea004, - 0xe14f9000, 0xe20990c0, 0xe3899003, 0xe121f009, - 0xe4ba9008, 0xe20987fe, 0xe2197010, 0xe0077aa9, - 0xe0288a07, 0x02097402, 0x00077509, 0x00888007, - 0xe2097c0f, 0xe3370c01, 0x0209733e, 0x0337033a, - 0x008ff8a8, 0xea00009f, 0xea0003b7, 0xea0003b6, - 0xea000307, 0xea000306, 0xea0003b3, 0xea0003b2, - 0xea000303, 0xea000302, 0xea0003c3, 0xea0003c2, - 0xea00030d, 0xea00030c, 0xea0003bf, 0xea0003be, - 0xea000309, 0xea000308, 0xea0003cf, 0xea0003ce, - 0xea000314, 0xea000313, 0xea0003cb, 0xea0003ca, - 0xea000310, 0xea00030f, 0xea0003db, 0xea0003da, - 0xea00031a, 0xea000319, 0xea0003d7, 0xea0003d6, - 0xea000316, 0xea000315, 0xea0003e7, 0xea0003e6, - 0xea000321, 0xea000320, 0xea0003f7, 0xea0003f6, - 0xea00032b, 0xea00032a, 0xea000449, 0xea000448, - 0xea000335, 0xea000334, 0xea000459, 0xea000458, - 0xea000340, 0xea00033f, 0xea000469, 0xea000468, - 0xea00034b, 0xea00034a, 0xea000479, 0xea000478, - 0xea000355, 0xea000354, 0xea000489, 0xea000488, - 0xea00035f, 0xea00035e, 0xea000499, 0xea000498, - 0xea00036a, 0xea000369, 0xea000ac8, 0xea000ac5, - 0xea000c3d, 0xea000c3a, 0xea000b7b, 0xea000b78, - 0xea000b79, 0xea000b76, 0xea000d34, 0xea000d31, - 0xea000d08, 0xea000d05, 0xea000e34, 0xea000e31, - 0xea000e1c, 0xea000e19, 0xea000ecf, 0xea000ecc, - 0xea000c2d, 0xea000c2a, 0xea000d28, 0xea000d25, - 0xea000cfc, 0xea000cf9, 0xea00123d, 0xea00123a, - 0xeaffff55, 0xeaffff54, 0xeaffff53, 0xeaffff52, - 0xeaffff51, 0xeaffff50, 0xea0007b8, 0xea0007ec, - 0xea00073c, 0xea00073b, 0xea000806, 0xea000805, - 0xea00080f, 0xea00080e, 0xeaffff47, 0xeaffff46, - 0xeaffff45, 0xeaffff44, 0xeaffff43, 0xeaffff42, - 0xeaffff41, 0xeaffff40, 0xeaffff3f, 0xeaffff3e, - 0xea00086f, 0xea00086e, 0xeaffff3b, 0xeaffff3a, - 0xea00086b, 0xea00086a, 0xeaffff37, 0xeaffff36, - 0xea0007ff, 0xea0007fe, 0xeaffff33, 0xeaffff32, - 0xea0007fb, 0xea0007fa, 0xea000914, 0xea0008f3, - 0xea00091f, 0xea0008fb, 0xea00092b, 0xea000904, - 0xea0009dc, 0xea0009d9, 0xea0009fd, 0xea0009fa, - 0xea000ef8, 0xea000ef5, 0xea000ef6, 0xea000ef3, - 0xea000f9d, 0xea000f9a, 0xea00111e, 0xea00111b, - 0xea00111c, 0xea001119, 0xea00104e, 0xea00104b, - 0xea001147, 0xea001144, 0xea001145, 0xea001142, - 0xea00125a, 0xea001257, 0xeaffff13, 0xeaffff12, - 0xeaffff11, 0xeaffff10, 0xe3190c0e, 0x1affff0e, - 0xe3190c01, 0x13190302, 0x0affff0b, 0xe28fb016, - 0xe79b7d27, 0xe14fb000, 0xe1a0be2b, 0xe28bb010, - 0xe1170b37, 0x0affff51, 0xeaffff29, 0x8000f0f0, - 0x80000f0f, 0x8000cccc, 0x80003333, 0x8000ff00, - 0x800000ff, 0x8000aaaa, 0x80005555, 0x8000cfcf, - 0x80003030, 0x800055aa, 0x8000aa55, 0x80005faf, - 0x8000a050, 0x80000000, 0x8000ffff, 0xe1300007, - 0x5a000002, 0xea00004a, 0xe3100102, 0x1a000048, - 0xe053400b, 0x4a00002d, 0xe2745020, 0xda00001b, - 0xe092243a, 0x20822518, 0x30922518, 0xe0b11438, - 0xe1a0451a, 0x2a000006, 0xe0922fa4, 0xe2b11000, - 0x31b0f00e, 0xe3a01102, 0xe2833001, 0xe1a040a4, - 0xe1b0f00e, 0xe2833001, 0xe1a040a4, 0xe1844f82, - 0xe1a020a2, 0xe1822f81, 0xe1a01061, 0xe0922fa4, - 0xe2a11000, 0xe1b0f00e, 0xe1a04538, 0xe0922fa4, - 0xe2b11000, 0x23a01102, 0x22833001, 0xe1b0f00e, - 0xe2545040, 0xaafffff7, 0xe2444020, 0xe2645020, - 0xe0922438, 0xe2b11000, 0xe1a04518, 0xe184443a, - 0x2affffe7, 0xe0922fa4, 0xe2b11000, 0x31b0f00e, - 0xe3a01102, 0xe2833001, 0xe1a040a4, 0xe1b0f00e, - 0xe2644000, 0xe1a0300b, 0xe1a05001, 0xe1a01008, - 0xe1a08005, 0xe1a05002, 0xe1a0200a, 0xe1a0a005, - 0xe2745020, 0xdaffffe5, 0xe092243a, 0x20822518, - 0x30922518, 0xe0b11438, 0xe1a0451a, 0x2affffd0, - 0xe0922fa4, 0xe2b11000, 0x31b0f00e, 0xe3a01102, - 0xe2833001, 0xe1a040a4, 0xe1b0f00e, 0xe3100102, - 0x1affffb6, 0xe053600b, 0x4a00003d, 0x01510008, - 0x0152000a, 0x0a00004f, 0x3a000039, 0xe3a04000, - 0xe2765020, 0xda00001a, 0xe054451a, 0xe0d2263a, - 0x30422518, 0x20522518, 0xe0d11638, 0x5a000002, - 0xe0922fa4, 0xe2a11000, 0xe1b0f00e, 0xe0944004, - 0xe0b22002, 0xe0b11001, 0xe2433001, 0x5afffffa, - 0xe0922fa4, 0xe2b11000, 0x31b0f00e, 0xe3a01102, - 0xe2833001, 0xe1a040a4, 0xe1b0f00e, 0xe0544538, - 0x41b0f00e, 0xe2d22000, 0xe2d11000, 0x41b0f00e, - 0xeaffffed, 0xe3a04000, 0xe2565040, 0xaafffff6, - 0xe2466020, 0xe2665020, 0xe054751a, 0xe0d4463a, - 0x30444518, 0x20544518, 0xe0d22638, 0xe2d11000, - 0x5a000002, 0xe0922fa4, 0xe2a11000, 0xe1b0f00e, - 0xe0977007, 0xe0b44004, 0xe0b22002, 0xe0b11001, - 0xe2433001, 0x5afffff9, 0xe0922fa4, 0xe2b11000, - 0x31b0f00e, 0xe3a01102, 0xe2833001, 0xe1a040a4, - 0xe1b0f00e, 0xe2666000, 0xe2200102, 0xe1a0300b, - 0xe1a05001, 0xe1a01008, 0xe1a08005, 0xe1a05002, - 0xe1a0200a, 0xe1a0a005, 0xe3a04000, 0xe2765020, - 0xdaffffd7, 0xe054451a, 0xe0d2263a, 0x30422518, - 0x20522518, 0xe0d11638, 0x5affffbf, 0xe0922fa4, - 0xe2a11000, 0xe1b0f00e, 0xe3a03000, 0xe3a02000, - 0xe3a01000, 0xe3a04000, 0xe1b0f00e, 0xe1a07000, - 0xe1a08001, 0xe1a0a002, 0xe1a0b003, 0xe0200007, - 0xe1914002, 0x1198400a, 0x0afffff2, 0xe3b054ff, - 0xe0a3300b, 0xe185b425, 0xe043392b, 0xe92c4209, - 0xe1a04821, 0xe1c1500b, 0xe1a06822, 0xe1c2700b, - 0xe1c8900b, 0xe1a08828, 0xe1cab00b, 0xe1a0a82a, - 0xe0030b96, 0xe0020b94, 0xe0010994, 0xe0000a97, - 0xe0933000, 0xe0000a95, 0xe0b22000, 0xe0000895, - 0xe0b11000, 0x33a0e000, 0x23a0e001, 0xe0000996, - 0xe0922000, 0xe2b11000, 0xe2aee000, 0xe0000897, - 0xe0922000, 0xe2b11000, 0xe2aee000, 0xe18ee803, - 0xe1a03823, 0xe1833802, 0xe1a02822, 0xe1822801, - 0xe1a01821, 0xe181180e, 0xe3cee0ff, 0xe0000b95, - 0xe00b0b97, 0xe09eb00b, 0xe0b33000, 0xe0000896, - 0xe0b22000, 0xe0000894, 0xe0a11000, 0xe0000a94, - 0xe00a0a96, 0xe09aa003, 0xe0b22000, 0xe2a11000, - 0xe0000997, 0xe09a4000, 0xe0000995, 0xe0b22000, - 0xe2b11000, 0xe8bc4209, 0x4a000005, 0xe09bb00b, - 0xe0b44004, 0xe0b22002, 0xe0b11001, 0xe2433001, - 0x5afffff9, 0xe0922fa4, 0xe2b11000, 0x31b0f00e, - 0xe3a01102, 0xe2833001, 0xe1a040a4, 0xe1b0f00e, - 0xe1a07000, 0xe1a08001, 0xe1a0a002, 0xe1a0b003, - 0xe3a00000, 0xe3a01102, 0xe3b02100, 0xe2e23901, - 0xe0200007, 0xe1914002, 0x1198400a, 0x0affff9d, - 0xe043300b, 0xe2833901, 0xe2433001, 0xe3a0b000, - 0xe052500a, 0xe0d14008, 0x23a01003, 0x2a00000c, - 0xe1a05002, 0xe1a04001, 0xe3a01001, 0xe2433001, - 0xe0955005, 0xe0b44004, 0xe2abb000, 0xe055700a, - 0xe0d46008, 0x31b0b0ab, 0x21a05007, 0x21a04006, - 0xe0a11001, 0xe0955005, 0xe0b44004, 0xe2abb000, - 0xe055700a, 0xe0d46008, 0x31b0b0ab, 0x21a05007, - 0x21a04006, 0xe0a11001, 0xe0955005, 0xe0b44004, - 0xe2abb000, 0xe055700a, 0xe0d46008, 0x31b0b0ab, - 0x21a05007, 0x21a04006, 0xe0a11001, 0xe0955005, - 0xe0b44004, 0xe2abb000, 0xe055700a, 0xe0d46008, - 0x31b0b0ab, 0x21a05007, 0x21a04006, 0xe0b11001, - 0x3affffda, 0xe1942005, 0x01b0f00e, 0xe3a02001, - 0xe0955005, 0xe0b44004, 0xe2abb000, 0xe055700a, - 0xe0d46008, 0x31b0b0ab, 0x21a05007, 0x21a04006, - 0xe0a22002, 0xe0955005, 0xe0b44004, 0xe2abb000, - 0xe055700a, 0xe0d46008, 0x31b0b0ab, 0x21a05007, - 0x21a04006, 0xe0a22002, 0xe0955005, 0xe0b44004, - 0xe2abb000, 0xe055700a, 0xe0d46008, 0x31b0b0ab, - 0x21a05007, 0x21a04006, 0xe0a22002, 0xe0955005, - 0xe0b44004, 0xe2abb000, 0xe055700a, 0xe0d46008, - 0x31b0b0ab, 0x21a05007, 0x21a04006, 0xe0b22002, - 0x3affffda, 0xe0955005, 0xe0b44004, 0x2a000001, - 0xe1540008, 0x0155000a, 0xe2b22000, 0xe2b11000, - 0x31b0f00e, 0xe2a33000, 0xe3a01102, 0xe1b0f00e, - 0xe1b04883, 0x0affff37, 0xe2833901, 0xe2433001, - 0xe1b030a3, 0xe1a05002, 0x32414102, 0x22414101, - 0x33a07201, 0x23a07202, 0xe3a01102, 0xe0955005, - 0xe0b44004, 0xe0216007, 0x31540006, 0x20444006, - 0x20211087, 0xe1b070e7, 0x5afffff7, 0xe1942005, - 0x01b0f00e, 0xe3a02000, 0xe0955005, 0xe0b44004, - 0xe0a00000, 0xe0226007, 0xe055a006, 0xe0d48001, - 0x31b000a0, 0x21a0500a, 0x21a04008, 0x20222087, - 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0xe1b05883, 0x12955802, 0x0a000099, 0xe3a05901, - 0xe2455001, 0xe1530005, 0x3a000006, 0xe2855003, - 0xe1530005, 0x0351020a, 0x33a04000, 0x33a05000, - 0x392c4ff0, 0x3a000021, 0xe92c4fcf, 0xe3a00902, - 0xe2404003, 0xe0644083, 0xebfffc46, 0xe24bb001, - 0xe24f4078, 0xe894000e, 0xebfffb4b, 0xe3a04901, - 0xe2444002, 0xe0434004, 0xe2644020, 0xe1a09431, - 0xe1510419, 0x03520000, 0x1210b102, 0x12899001, - 0xe200b102, 0xe8bc000f, 0xe92c0a00, 0xeb0000bf, - 0xe59c4004, 0xe1b04004, 0x5bfffb90, 0x4bfffb3a, - 0xe3a05901, 0xe2455001, 0xe1530005, 0x3a000051, - 0xe2855003, 0xe1530005, 0x0351020a, 0x2a000040, - 0xe3a04901, 0xe2844002, 0xe0544003, 0xe2645020, - 0xe1a03512, 0x11a02432, 0x11822511, 0x11a01431, - 0xe1a04e21, 0xe3a07003, 0xe3c1120f, 0xe0933003, - 0xe0b22002, 0xe0a11001, 0xe1a08101, 0xe1888f22, - 0xe1a0a102, 0xe18aaf23, 0xe092200a, 0xe0a11008, - 0xe2577001, 0x11a04204, 0x11844e21, 0x1afffff1, - 0xe1915002, 0x03a06000, 0x0a000019, 0xe3a0700f, - 0xe1a05205, 0xe1855e26, 0xe1a06206, 0xe1866e21, - 0xe3c1120f, 0xe0922002, 0xe0a11001, 0xe1a08101, - 0xe1888f22, 0xe0922102, 0xe0a11008, 0xe2577001, - 0x1afffff2, 0xe1a05205, 0xe1855e26, 0xe1a06206, - 0xe1866e21, 0xe1b01281, 0x3a000005, 0xe2866001, - 0xe1911002, 0x03c66001, 0xe206100f, 0xe351000a, - 0x02466001, 0xe8bc0008, 0xeb000023, 0xe2000102, - 0xe1800221, 0xe8bc0080, 0xe18000a7, 0xe1800004, - 0xe1a01005, 0xe1a02006, 0xe3a0320e, 0xe8bc4fc0, - 0xe1a0f007, 0xe8bc0030, 0xe3150102, 0x12644000, - 0xe2844001, 0xe2145102, 0x12644000, 0xe92c0030, - 0xe3a07901, 0xe3a0820a, 0xe3a0a000, 0xe287b002, - 0xebfffb3a, 0xeaffffb1, 0xe8bc0030, 0xe3150102, - 0x12644000, 0xe2444001, 0xe2145102, 0x12644000, - 0xe92c0030, 0xe3a07901, 0xe3a0820a, 0xe3a0a000, - 0xe287b002, 0xebfffad8, 0xeaffffa4, 0xe1a02003, - 0xe3a03010, 0xe0922002, 0x3352020a, 0x2242220a, - 0xe0b33003, 0x3afffffa, 0xe1a01622, 0xe3530064, - 0xa2433064, 0xa2811201, 0xaafffffb, 0xe353000a, - 0xa243300a, 0xa2811401, 0xaafffffb, 0xe1811a03, - 0xe1b0f00e, 0xe3530000, 0x1a00000a, 0xe1915002, - 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0xe92c000f, 0xe2833003, 0xe3b0120a, 0x3bfffa6a, - 0xe1b090a9, 0x3afffffc, 0xe8bc0d80, 0x192c000f, - 0xebfffa69, 0x0a000007, 0xe8bc0d80, 0xe92c000f, - 0xe1a00007, 0xe1a01008, 0xe1a0200a, 0xe1a0300b, - 0xebfffa61, 0xeafffff1, 0xe1a07000, 0xe1a08001, - 0xe1a0a002, 0xe1a0b003, 0xe8bc400f, 0xe1b0f00e, - 0x00000000, 0x80000000, 0x00000000, 0x00003fff, - 0x00000000, 0xa0000000, 0x00000000, 0x00004002, - 0x00000000, 0xc8000000, 0x00000000, 0x00004005, - 0x00000000, 0xfa000000, 0x00000000, 0x00004008, - 0x00000000, 0x9c400000, 0x00000000, 0x0000400c, - 0x00000000, 0xc3500000, 0x00000000, 0x0000400f, - 0x00000000, 0xf4240000, 0x00000000, 0x00004012, - 0x00000000, 0x98968000, 0x00000000, 0x00004016, - 0x00000000, 0xbebc2000, 0x00000000, 0x00004019, - 0x00000000, 0xee6b2800, 0x00000000, 0x0000401c, - 0x00000000, 0x9502f900, 0x00000000, 0x00004020, - 0x00000000, 0xba43b740, 0x00000000, 0x00004023, - 0x00000000, 0xe8d4a510, 0x00000000, 0x00004026, - 0x00000000, 0x9184e72a, 0x00000000, 0x0000402a, - 0x00000000, 0xb5e620f4, 0x80000000, 0x0000402d, - 0x00000000, 0xe35fa931, 0xa0000000, 0x00004030, - 0x00000000, 0x8e1bc9bf, 0x04000000, 0x00004034, - 0x00000000, 0xb1a2bc2e, 0xc5000000, 0x00004037, - 0x00000000, 0xde0b6b3a, 0x76400000, 0x0000403a, - 0x00000000, 0x8ac72304, 0x89e80000, 0x0000403e, - 0x00000000, 0xad78ebc5, 0xac620000, 0x00004041, - 0xe0977007, 0xe0a66006, 0xe0978107, 0xe0a6af27, - 0xe08a6106, 0xe1a07008, 0xe0977e24, 0xe2a66000, - 0xe1a04204, 0xe2555001, 0x1afffff4, 0xe1b0f00e, - 0xe1a03280, 0xe1a038a3, 0xe1a026a2, 0xe1822981, - 0xe1a016a1, 0xe1811980, 0xe3c11102, 0xe2044007, - 0xeafffcb9, 0xe2144007, 0x13540005, 0x0a000003, - 0xe2000102, 0xe3540001, 0x0afffda0, 0xeafffdda, - 0xe2633000, 0xe3530040, 0xaa000008, 0xe2735020, - 0x42435020, 0x41a02531, 0x51a02332, 0x51822511, - 0xe1a01331, 0xe3a03000, 0xe2044007, 0xeafffca6, - 0xe2000102, 0xe3a01000, 0xe3a02000, 0xe1a03e84, - 0xe3a04008, 0xeafffd7b, 0xe2144007, 0x0a000003, - 0xe3a00000, 0xe3540003, 0x0afffdae, 0xbafffd71, - 0xe3a01000, 0xe3b02100, 0xe2e23902, 0xe2000102, - 0xe1800003, 0xe3540000, 0x13a0320a, 0xe3a04004, - 0xeafffd6c, 0xeafffffe, 0xe209aa0f, 0xe3190008, - 0x1a000069, 0xe2095007, 0xe08c5205, 0xe895000f, - 0xe1b04d23, 0xe28f7000, 0x1afffc87, 0xe1b04883, - 0x12944802, 0x0a00002b, 0x5a000039, 0xe354083e, - 0xe20448ff, 0x4a000049, 0xe1a048a4, 0xe2199060, - 0x1a00000e, 0xe2846002, 0xe1922611, 0xe3a02101, - 0xe0012432, 0x000220a1, 0xe264401f, 0xe1a01431, - 0xe3320000, 0x12811001, 0xe3100102, 0x12611000, - 0xe0312000, 0x4a000049, 0xe78d152a, 0xeafff805, - 0xe3590060, 0x1a000005, 0xe264401f, 0xe1a01431, - 0xe3100102, 0x12611000, 0xe78d152a, 0xeafff7fd, - 0xe0307d09, 0x5afffff7, 0xe2846001, 0xe1922611, - 0x0afffff4, 0xe264401f, 0xe1a01431, 0xe2811001, - 0xe3100102, 0x12611000, 0xe0312000, 0x4a000033, - 0xe78d152a, 0xeafff7ef, 0xe31300ff, 0x1a000003, - 0xe1921001, 0x1a000006, 0xe78d152a, 0xeafff7e9, - 0xe1921001, 0x0a000029, 0xe28f70bc, 0xe3a04001, - 0xeafffd28, 0xe02970a9, 0xe3170020, 0x0a000010, - 0xea000003, 0xe2199060, 0x0a000008, 0xe3590060, - 0x0a00000b, 0xe0307d09, 0x5a000009, 0xe3a01001, - 0xe3100102, 0x12611000, 0xe78d152a, 0xeafff7d5, - 0xe2947802, 0x5a000002, 0xe3510102, 0x03520000, - 0x8afffff5, 0xe3a01000, 0xe78d152a, 0xea000016, - 0xe354083e, 0x03510102, 0xe2000102, 0x03500102, - 0x1a00000a, 0xe3520000, 0x0affffae, 0xe2199060, - 0x0a000004, 0xe3590060, 0x0affffaa, 0xe0307d09, - 0x5affffa8, 0xea000001, 0xe3520102, 0x9affffa5, - 0xe28f7014, 0xe3a04001, 0xeafffcfe, 0xe2091007, - 0xe3510006, 0xaa000001, 0xe78d152a, 0xeafff7b5, - 0xe2811003, 0xe351000a, 0x13a01001, 0xe2099060, - 0x13590020, 0x1affffde, 0xe78d152a, 0xeafff7ad, - 0xe3190080, 0x1a000034, 0xe2097a0f, 0xe79d8527, - 0xe209b807, 0xe08cb62b, 0xe1b07008, 0x42688000, - 0xe3a0a09e, 0xe28aadfe, 0x03a0a01f, 0xe1b0c828, - 0x01a08808, 0x024aa010, 0xe1b0cc28, 0x01a08408, - 0x024aa008, 0xe1b0ce28, 0x01a08208, 0x024aa004, - 0xe1b0cf28, 0x01a08108, 0x024aa002, 0xe1b0cfa8, - 0x01a08088, 0x024aa001, 0xe1b0cc08, 0x1a000002, - 0xe3a09000, 0xe88b0780, 0xeafff79d, 0xe2199060, - 0x1a000008, 0xe1b0c08c, 0xe208c080, 0x000cc0a8, - 0xe098800c, 0xe2aaa000, 0x23a08102, 0xe3c880ff, - 0xe88b0780, 0xeafff792, 0xe2399060, 0x0afffffa, - 0xe027cc89, 0xe20cc102, 0xe0988bac, 0xe2aaa000, - 0x23a08102, 0xe3a09000, 0xe3c880ff, 0xe88b0780, - 0xeafff787, 0xe3190080, 0x1afff75f, 0xe2097a0f, - 0xe79d8527, 0xe209b807, 0xe08cb62b, 0xe1b07008, - 0x42688000, 0xe3a0a09e, 0xe28aadfe, 0x03a0a01f, - 0xe1b09828, 0x01a08808, 0x024aa010, 0xe1b09c28, - 0x01a08408, 0x024aa008, 0xe1b09e28, 0x01a08208, - 0x024aa004, 0xe1b09f28, 0x01a08108, 0x024aa002, - 0xe1b09fa8, 0x01a08088, 0x024aa001, 0xe3a09000, - 0xe88b0780, 0xeafff76a, 0xe2097a0f, 0xe79da527, - 0xe3ca801f, 0xe3d8881f, 0x1a000002, 0xe38aa000, - 0xe58ca080, 0xeafff762, 0xe24f700c, 0xe3a04001, - 0xeafffc94, 0xe2097a0f, 0xe59ca080, 0xe78da527, - 0xeafff74c, 0xe1b08e09, 0x4a000037, 0xe08c8c28, - 0xe898000f, 0xe1b04d23, 0xe28f7000, 0x1afffbae, - 0xe2097807, 0xe1a0b003, 0xe1a0a002, 0xe0208509, - 0xe1a09001, 0xe08cc627, 0xe89c000f, 0xe1b04d23, - 0xe28f7000, 0x1afffba4, 0x188c000f, 0xe3a04803, - 0xe0945883, 0x3094588b, 0x2a000015, 0xe0305008, - 0x4a000009, 0xe153000b, 0x01510009, 0x0152000a, - 0xe10f7000, 0xe2077206, 0x33877102, 0x13100102, - 0x1227720a, 0xe168f007, 0xeafff72a, 0xe19b4003, - 0x019a4002, 0x01994001, 0x0a000003, 0xe3100102, - 0x1368f102, 0x0368f202, 0xeafff722, 0xe368f206, - 0xeafff720, 0xe0945883, 0x3a000001, 0xe1915002, - 0x1a000003, 0xe094588b, 0x3affffe3, 0xe199500a, - 0x0affffe1, 0xe368f201, 0xe24fc0c0, 0xe24ccc24, - 0xe24f7038, 0xe3a04001, 0xeafffc56, 0xe2097807, - 0xe2095602, 0xe24f6074, 0xe0866c28, 0xe8960f00, - 0xe0288505, 0xeaffffca, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x80000000, - 0x00000000, 0x00003fff, 0x00000000, 0x80000000, - 0x00000000, 0x00004000, 0x00000000, 0xc0000000, - 0x00000000, 0x00004000, 0x00000000, 0x80000000, - 0x00000000, 0x00004001, 0x00000000, 0xa0000000, - 0x00000000, 0x00004001, 0x00000000, 0x80000000, - 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0x1afff6a9, 0xe3a02000, 0xe1a03080, 0xe1b03c23, - 0x133300ff, 0x11a01400, 0x13811102, 0x12833dfe, - 0x0afff7d9, 0xe888000f, 0xe2000102, 0xe183b000, - 0xe1a0a002, 0xe1a08001, 0xe2096807, 0xe08c6626, - 0xe896000f, 0xe1b04d23, 0x0a00000b, 0xe28f7024, - 0xe3540008, 0x1afff694, 0xe3a02000, 0xe1a03080, - 0xe1b03c23, 0x133300ff, 0x11a01400, 0x13811102, - 0x12833dfe, 0x0afff7c4, 0xe886000f, 0xe020000b, - 0xe3cbb102, 0xe1b04883, 0x11b0588b, 0x12944802, - 0x12955802, 0x0a000082, 0xe043300b, 0xe2833901, - 0xe2433001, 0xe3a0b000, 0xe052500a, 0xe0d14008, - 0x23a01003, 0x2a00000c, 0xe1a05002, 0xe1a04001, - 0xe3a01001, 0xe2433001, 0xe0955005, 0xe0b44004, - 0xe2abb000, 0xe055700a, 0xe0d46008, 0x31b0b0ab, - 0x21a05007, 0x21a04006, 0xe0a11001, 0xe0955005, - 0xe0b44004, 0xe2abb000, 0xe055700a, 0xe0d46008, - 0x31b0b0ab, 0x21a05007, 0x21a04006, 0xe0a11001, - 0xe0955005, 0xe0b44004, 0xe2abb000, 0xe055700a, - 0xe0d46008, 0x31b0b0ab, 0x21a05007, 0x21a04006, - 0xe0a11001, 0xe0955005, 0xe0b44004, 0xe2abb000, - 0xe055700a, 0xe0d46008, 0x31b0b0ab, 0x21a05007, - 0x21a04006, 0xe0b11001, 0x3affffda, 0xe1942005, - 0x11892629, 0x12122080, 0x0a000025, 0xe3a02001, - 0xe0955005, 0xe0b44004, 0xe2abb000, 0xe055700a, - 0xe0d46008, 0x31b0b0ab, 0x21a05007, 0x21a04006, - 0xe0a22002, 0xe0955005, 0xe0b44004, 0xe2abb000, - 0xe055700a, 0xe0d46008, 0x31b0b0ab, 0x21a05007, - 0x21a04006, 0xe0a22002, 0xe0955005, 0xe0b44004, - 0xe2abb000, 0xe055700a, 0xe0d46008, 0x31b0b0ab, - 0x21a05007, 0x21a04006, 0xe0a22002, 0xe0955005, - 0xe0b44004, 0xe2abb000, 0xe055700a, 0xe0d46008, - 0x31b0b0ab, 0x21a05007, 0x21a04006, 0xe0b22002, - 0x3affffda, 0xe3190702, 0x1a000007, 0xe1954004, - 0x13822001, 0xe3530000, 0xdafffe62, 0xe28f7048, - 0xe3190080, 0x0afffbb6, 0xeafffbea, 0xe2197060, - 0x1a000014, 0xe0955005, 0xe0b44004, 0x2a000002, - 0xe1540008, 0x0155000a, 0x011500a2, 0xe2b22000, - 0xe2b11000, 0xe2a33000, 0x23a01102, 0xe2934001, - 0xdaffff10, 0xe1b047a4, 0x1afffd86, 0xe59c5080, - 0xe3150010, 0x0afffd4e, 0xe2099a07, 0xe08c9429, - 0xe889000f, 0xeafff1a7, 0xe1945005, 0x13570060, - 0x0afffff1, 0xe1300c87, 0x4affffef, 0xe2922001, - 0xeaffffea, 0xe1b04883, 0x1a000013, 0xe1915002, - 0x1a00000d, 0xe1b0588b, 0x0198600a, 0x03a014c3, - 0x03a030ff, 0x01833383, 0x0afffd6a, 0xe2955802, - 0x1affffe8, 0xe198600a, 0x0affffe6, 0xe1a01008, - 0xe1a0200a, 0xe1a0300b, 0xeafffd62, 0xe0922002, - 0xe0b11001, 0xe2433001, 0x5afffffb, 0xe1b0588b, - 0x1a000010, 0xe198600a, 0x1a00000a, 0xe2944802, - 0x1a000001, 0xe1916002, 0x1afffd56, 0xe3a01000, - 0xe3a02000, 0xe3a030ff, 0xe1833383, 0xe24f70bc, - 0xe3a04002, 0xeafff6b7, 0xe09aa00a, 0xe0b88008, - 0xe24bb001, 0x5afffffb, 0xe2956802, 0x12946802, - 0x1affff50, 0xe2946802, 0x1a000006, 0xe1916002, - 0x1afffd44, 0xe2956802, 0x1affffbf, 0xe198600a, - 0x03a01331, 0x0afffd3f, 0xe198600a, 0x0afffe09, - 0xe1a01008, 0xe1a0200a, 0xe1a0300b, 0xeafffd39, - 0xe3190080, 0x1afff144, 0xe2096807, 0xe08c6626, - 0xe896000f, 0xe1b04d23, 0xe28f7000, 0x1afff5be, - 0x1886000f, 0xe2000102, 0xe183b000, 0xe1a0a002, - 0xe1a08001, 0xe1b06e09, 0x4afffacd, 0xe08c6c26, - 0xe896000f, 0xe1b04d23, 0xe28f7000, 0x1afff5b2, - 0x1886000f, 0xea000014, 0xe3190080, 0x1afff12e, - 0xe1b08e09, 0x4afffabc, 0xe08c8c28, 0xe898000f, - 0xe1b04d23, 0xe28f7000, 0x1afff5a7, 0x1888000f, - 0xe2000102, 0xe183b000, 0xe1a0a002, 0xe1a08001, - 0xe2096807, 0xe08c6626, 0xe896000f, 0xe1b04d23, - 0xe28f7000, 0x1afff59c, 0x1886000f, 0xe1a0700b, - 0xe3cbb102, 0xe1b04883, 0x12944802, 0x11b0588b, - 0x12955802, 0x0a00004e, 0xe92c4200, 0x5a000035, - 0xe24b4c3f, 0xe24440fe, 0xe3540010, 0xca00002a, - 0xe19a5418, 0x1a00002f, 0xe2649020, 0xe1a09938, - 0xe0000f89, 0xe92c0080, 0xe3a08102, 0xe3a0a000, - 0xe3a07901, 0xe257b001, 0xe92c0d80, 0x3bfff2b6, - 0xe1b090a9, 0x3afffffc, 0xe8bc0d80, 0x192c000f, - 0xebfff2b5, 0xe2834001, 0x0a000009, 0xe3540902, - 0xaa000010, 0xe8bc0d80, 0xe92c000f, 0xe1a00007, - 0xe1a01008, 0xe1a0200a, 0xe1a0300b, 0xebfff2aa, - 0xeaffffee, 0xe8bc0080, 0xe3170102, 0x1bfff2f3, - 0xe8bc4200, 0xe2934001, 0xdafffe6a, 0xe1b047a4, - 0x1afffce0, 0xea0000cb, 0xe28cc010, 0xe8bc4280, - 0xe3170102, 0x1afffda3, 0xeafffcda, 0xe3540040, - 0x2a000012, 0xe2545020, 0x21b0651a, 0x0a000010, - 0xe19a6418, 0x0a00000e, 0xe3100102, 0x1a00000e, - 0xe92c0001, 0xe3a00000, 0xe92c0d80, 0xe3c99601, - 0xeb0000e1, 0xe8bc0d80, 0xebfff28b, 0xeb000166, - 0xe8bc4201, 0x0a0000b3, 0xe28f7e2f, 0xeafff629, - 0x13b05100, 0x33a00000, 0xeafffff0, 0xe8bc4200, - 0xe3a014c7, 0xe3a02000, 0xe3a030ff, 0xe1833383, - 0xeafffcb8, 0xe3540000, 0x1a00001e, 0xe3530000, - 0x0a000002, 0xe1916002, 0x1afffcb2, 0xea000001, - 0xe1916002, 0x1a000010, 0xe1b0588b, 0x1a000006, - 0xe198600a, 0x03a01102, 0x03a02000, 0x03a00000, - 0x03a03901, 0x02433001, 0xea000096, 0xe2955802, - 0x1a000094, 0xe198600a, 0x0a000092, 0xe1a01008, - 0xe1a0200a, 0xe1a0300b, 0xeafffc9e, 0xe0922002, - 0xe0b11001, 0xe2433001, 0x5afffffb, 0xe1b0588b, - 0x12955802, 0x1affff8f, 0xe35b0000, 0x0a000008, - 0xe1a01008, 0xe1a0200a, 0xe1a00007, 0xe1a0300b, - 0xe198600a, 0x1afffc8f, 0xe3100102, 0x13a03000, - 0xea00007c, 0xe198600a, 0x0affffdd, 0xe09aa00a, - 0xe0b88008, 0xe24bb001, 0x5afffffb, 0xe92c4200, - 0xeaffffb4, 0xe3190080, 0x1afff08f, 0xe1b08e09, - 0x4afffa4e, 0xe08c8c28, 0xe898000f, 0xe1b04d23, - 0xe28f7000, 0x1afff508, 0x1888000f, 0xe2000102, - 0xe183b000, 0xe1a0a002, 0xe1a08001, 0xe2096807, - 0xe08c6626, 0xe896000f, 0xe1b04d23, 0xe28f7000, - 0x1afff4fd, 0x1886000f, 0xe1a0700b, 0xe3cbb102, - 0xe1b04883, 0x12944802, 0x11b0588b, 0x12955802, - 0x0a00000a, 0xe92c400f, 0xe92c0d80, 0xebfff27f, - 0xebfff36f, 0xe8bc0d80, 0xebfff227, 0xe2200102, - 0xe8bc0d80, 0xebfff178, 0xe8bc4000, 0xea00004d, - 0xe1b04883, 0x1a000010, 0xe1915002, 0x1a00000a, - 0xe1b0588b, 0x0198600a, 0x0a000013, 0xe2955802, - 0x1a000015, 0xe198600a, 0x0a000013, 0xe1a01008, - 0xe1a0200a, 0xe1a0300b, 0xeafffc4e, 0xe0922002, - 0xe0b11001, 0xe2433001, 0x5afffffb, 0xe1b0588b, - 0x1a000012, 0xe198600a, 0x1a00000c, 0xe2944802, - 0x1a000001, 0xe1916002, 0x1afffc42, 0xe3a01333, - 0xe3b02100, 0xe2e23902, 0xeafffc3e, 0xe3a00000, - 0xe3a01000, 0xe3a02000, 0xe3a03000, 0xea000029, - 0xe09aa00a, 0xe0b88008, 0xe24bb001, 0x5afffffb, - 0xe2956802, 0x12946802, 0x1affffc9, 0xe2946802, - 0x1a000008, 0xe1916002, 0x1afffc2e, 0x03a01333, - 0xe2956802, 0x1afffc2b, 0xe198600a, 0x11a01008, - 0x11a0200a, 0xeafffc27, 0xe198600a, 0x0a000015, - 0xe1a01008, 0xe1a0200a, 0xe1a0300b, 0xeafffc21, - 0xe3190080, 0x1afff02c, 0xe1b07e09, 0x4afff9cb, - 0xe08c8c27, 0xe898000f, 0xe1b04d23, 0xe28f7000, - 0x1afff4a5, 0x1888000f, 0xe1b04883, 0x12944802, - 0x0a00001d, 0xe3100102, 0x1a000016, 0xe92c4000, - 0xeb000029, 0xe8bc4000, 0xe3190702, 0x1a000005, - 0xe28f7018, 0xe3530000, 0xdafffa5d, 0xe3190080, - 0x0afffa2b, 0xeafffa5f, 0xe3530000, 0xba000006, - 0xe59c5080, 0xe3150010, 0x0afffbd1, 0xe2099a07, - 0xe08c9429, 0xe889000f, 0xeafff02a, 0xe3730040, - 0xcafffcce, 0xeafffa4e, 0xe3a014c6, 0xe3a02000, - 0xe3a030ff, 0xe1833383, 0xeafffbf6, 0xe3530000, - 0x1a000008, 0xe1914002, 0x0afffff6, 0xe1b01001, - 0x4affffdb, 0xe0922002, 0xe0b11001, 0xe2433001, - 0x5afffffb, 0xeaffffd6, 0xe1914002, 0x1afffbe9, - 0xe3100102, 0x0affffe1, 0xeaffffea, 0xe28f4f52, - 0xe8940500, 0xe1510008, 0x0152000a, 0xe1a0a0a2, - 0xe18aaf81, 0xe1a080a1, 0xe3888102, 0xe3a0b0fe, - 0xe18bb30b, 0xe043400b, 0x92444001, 0xe92c4210, - 0xe1a0300b, 0x8a000005, 0xe3c88101, 0xe0922002, - 0xe0b11001, 0xe2433001, 0x5a000003, 0xea000008, - 0xe3a00102, 0xe2722000, 0xe2f11000, 0x03520000, - 0x0a000035, 0xe0922002, 0xe0b11001, 0xe2433001, - 0x5afffff9, 0xe3a07000, 0xebfff1e0, 0xe92c000f, - 0xebfff185, 0xe92c000f, 0xe28f90c4, 0xe8b90d00, - 0xebfff125, 0xe89c0d80, 0xebfff183, 0xe8b90d00, - 0xebfff0d8, 0xe89c0d80, 0xebfff17f, 0xe8b90d00, - 0xebfff11d, 0xe89c0d80, 0xe92c000f, 0xe3a00102, - 0xe8b9000e, 0xebfff178, 0xe8b90d00, 0xebfff0cd, - 0xe28c4010, 0xe8940d80, 0xebfff173, 0xe8b90d00, - 0xebfff111, 0xe8bc0d80, 0xebfff1c4, 0xe8bc0d80, - 0xebfff16d, 0xe89c0d80, 0xebfff16b, 0xe8bc0d80, - 0xebfff0bd, 0xe8bc0010, 0xebfff25e, 0xe92c000f, - 0xe3a00000, 0xe8b9000e, 0xebfff163, 0xe8bc0d80, - 0xebfff0b5, 0xe8bc0200, 0xe3190601, 0xe28f7074, - 0x18970d00, 0x1bfff15c, 0xe8bc8000, 0xe3a00000, - 0xe3a03000, 0xe28f9050, 0xeaffffed, 0xb504f333, - 0xf9de6484, 0x8eac025b, 0x3e7076bb, 0x00004004, - 0x9c041fd0, 0xa933ef60, 0x00004007, 0xc05ff4e0, - 0x6c83bb96, 0x00004008, 0xca20ad9a, 0xb5e946e9, - 0x00003ffe, 0x83125100, 0xb57f6509, 0x00004003, - 0x803ff895, 0x9dacd228, 0x00004005, 0xb17217f7, - 0xd1cf79ac, 0x00003ffe, 0xde5bd8a9, 0x37287195, - 0x00003ffd, 0xe3190080, 0x1affef83, 0xe1b07e09, - 0x4afff926, 0xe08c8c27, 0xe898000f, 0xe1b04d23, - 0xe28f7000, 0x1afff3fc, 0x1888000f, 0xe1a04883, - 0xe2944802, 0x0a000005, 0xe92c4000, 0xeb00000a, - 0xe8bc4000, 0x0affff57, 0xe24f7d0a, 0xeafff4cd, - 0xe1914002, 0x1afffb63, 0xe3100102, 0x0affff5b, - 0xe3a00000, 0xe3a03000, 0xeaffff58, 0xe28f4f6e, - 0xe3100102, 0x128f4f72, 0xe8b40d00, 0xe153000b, - 0x01510008, 0x0152000a, 0x8a00005d, 0xe8940d00, - 0xe153000b, 0x01510008, 0x0152000a, 0x3a000052, - 0xe92c421f, 0xe28f9e1b, 0xe3a07000, 0xe8b90d00, - 0xebfff111, 0xebfff238, 0xe3170102, 0x12644000, - 0xe58c4010, 0xe92c0d80, 0xe3a00000, 0xe8b9000e, - 0xebfff109, 0xe8bc0d80, 0xe92c000f, 0xe8b9000e, - 0xe3a00102, 0xebfff104, 0xe92c000f, 0xe28c4020, - 0xe894000f, 0xebfff20c, 0xe3170102, 0x0bfff09e, - 0x1bfff054, 0xe1a0400c, 0xe92c000f, 0xe894000f, - 0xebfff04d, 0xe8bc0d80, 0xebfff04b, 0xe28cc010, - 0xe8bc0d80, 0xebfff048, 0xe88c000f, 0xebfff0ee, - 0xe92c000f, 0xe3a07000, 0xe8b90d00, 0xebfff0ee, - 0xe8b90d00, 0xebfff043, 0xe89c0d80, 0xebfff0ea, - 0xe8b90d00, 0xebfff03f, 0xe89c0d80, 0xebfff0e6, - 0xe8b90d00, 0xebfff03b, 0xe89c0d80, 0xe92c000f, - 0xe3a00000, 0xe8b9000e, 0xebfff0df, 0xe8b90d00, - 0xebfff034, 0xe28c7010, 0xe8970d80, 0xebfff0da, - 0xe8b90d00, 0xebfff02f, 0xe28c7020, 0xe8970d80, - 0xebfff0d5, 0xe8bc0d80, 0xe92c000f, 0xe2200102, - 0xebfff025, 0xe1a07000, 0xe1a08001, 0xe1a0a002, - 0xe1a0b003, 0xe8bc000f, 0xebfff120, 0xe8b90d00, - 0xebfff020, 0xe28cc020, 0xe8bc4210, 0xe2844001, - 0xe0833004, 0xe3b04000, 0xe1a0f00e, 0xe3b00000, - 0xe3a01102, 0xe3a02000, 0xe3a03901, 0xe2433001, - 0xe1a0f00e, 0xe3100102, 0xe3a00000, 0xe3a01000, - 0xe3a02000, 0x13a03000, 0x13a04008, 0x03a030ff, - 0x01833383, 0x03b04004, 0xe1a0f00e, 0xb17217f7, - 0xd1cf79ab, 0x0000400c, 0x80000000, 0x00000000, - 0x00003fbe, 0xb21dfe7f, 0x09e2baa9, 0x0000400c, - 0x80000000, 0x00000000, 0x00003fbe, 0xb8aa3b29, - 0x5c17f0bc, 0x00003fff, 0xde8082e3, 0x08654362, - 0x00003ff2, 0xb1800000, 0x00000000, 0x00003ffe, - 0xc99b1867, 0x2822a93e, 0x00003fea, 0xa57862e1, - 0x46a6fb39, 0x00003ff4, 0xe8b9428e, 0xfecff592, - 0x00003ffa, 0x80000000, 0x00000000, 0x00003ffe, - 0x845a2157, 0x3490f106, 0x00003ff0, 0xf83a5f91, - 0x50952c99, 0x00003ff7, 0x80000000, 0x00000000, - 0x00003ffd, 0x80000000, 0x00000000, 0x00003ffe, - 0xe3190080, 0x1affeecc, 0xe1b07e09, 0x4afff873, - 0xe08c8c27, 0xe898000f, 0xe1b04d23, 0xe28f7000, - 0x1afff345, 0x1888000f, 0xe1a04883, 0xe2944802, - 0x0a000006, 0xe92c4000, 0xeb000007, 0xe8bc4000, - 0x0afffea0, 0xe24f705c, 0xe2477c05, 0xeafff415, - 0xe1914002, 0x03a01332, 0xeafffaaa, 0xe28f4f8f, - 0xe8b40d00, 0xe153000b, 0x01510008, 0x0152000a, - 0x8a00006c, 0xe1b01001, 0x5a000063, 0xe92c421f, - 0xe3190601, 0xe28f9e22, 0xe3a07000, 0xe8b90d00, - 0xebfff061, 0xebfff188, 0x1b00006d, 0xe58c4010, - 0xe92c0d80, 0xe3a00000, 0xe8b9000e, 0xebfff05a, - 0xe8bc0d80, 0xe92c000f, 0xe8b9000e, 0xe3a00102, - 0xebfff055, 0xe92c000f, 0xe28c4020, 0xe894000f, - 0xebfff15d, 0xe3170102, 0x0bffefef, 0x1bffefa5, - 0xe1a0400c, 0xe92c000f, 0xe894000f, 0xebffef9e, - 0xe8bc0d80, 0xebffef9c, 0xe28cc010, 0xe8bc0d80, - 0xebffef99, 0xe3a04c3f, 0xe38440df, 0xe1530004, - 0xba000037, 0xe88c000f, 0xebfff03b, 0xe92c000f, - 0xe3a07000, 0xe8b90d00, 0xebfff03b, 0xe8b90d00, - 0xebffefd9, 0xe89c0d80, 0xebfff037, 0xe8b90d00, - 0xebffef8c, 0xe89c0d80, 0xebfff033, 0xe8b90d00, - 0xebffefd1, 0xe89c0d80, 0xebfff02f, 0xe8b90d00, - 0xebffef84, 0xe89c0d80, 0xe92c000f, 0xe3a00102, - 0xe8b9000e, 0xebfff028, 0xe8b90d00, 0xebffef7d, - 0xe28c7010, 0xe8970d80, 0xebfff023, 0xe8b90d00, - 0xebffefc1, 0xe28c7010, 0xe8970d80, 0xebfff01e, - 0xe28c7020, 0xe8970d80, 0xebfff01b, 0xe28c7020, - 0xe8970d80, 0xebffef6c, 0xe8bc0d80, 0xe28cc020, - 0xe8bc0010, 0xe3140001, 0x12200102, 0x1bfff1a7, - 0xe29b4902, 0x4a000018, 0xe35b0000, 0x0198400a, - 0x0a000015, 0xebfff061, 0xe8bc4200, 0xe3b04000, - 0xe1a0f00e, 0xe24cc010, 0xe3a07000, 0xe3a08102, - 0xe3b0a100, 0xe2eab901, 0xeaffffeb, 0xe1914002, - 0x0affff99, 0xe2433001, 0xe0922002, 0xe0b11001, - 0x5afffffb, 0xeaffff94, 0xe3a01332, 0xe3b02100, - 0xe2f23902, 0xe3a04001, 0xe1a0f00e, 0xe3a01000, - 0xe3b02100, 0xe2f33902, 0xe3a04004, 0xe8bc4200, - 0xe1a0f00e, 0xe2844001, 0xe35b0000, 0x03a08102, - 0xe3a06901, 0x0246b002, 0x01a0f00e, 0xe2466002, - 0xe04b6006, 0xe3a05102, 0xe153000b, 0x01510008, - 0x0152000a, 0x20888635, 0x21a0f00e, 0xe0588635, - 0x51a08088, 0x524bb001, 0xe2444001, 0xe1a0f00e, - 0xc90fdaa2, 0x00000000, 0x0000401d, 0xa2f9836e, - 0x4e44152a, 0x00003ffe, 0x95777a5c, 0xf72cece6, - 0x00003fed, 0xc9100000, 0x00000000, 0x00003fff, - 0x85bba783, 0xb3c748a9, 0x00003fea, 0xa37b24c8, - 0x4a42092e, 0x00003ff3, 0xd23cf50b, 0xf10aca84, - 0x00003ff9, 0xeef5823f, 0xdecea969, 0x00003ffd, - 0x80000000, 0x00000000, 0x00003fff, 0x95d5b975, - 0x16391da8, 0x00003fef, 0xe0741531, 0xdd56f650, - 0x00003ff6, 0x8895af2a, 0x6847fcd5, 0x00003ffc, - 0xe3190080, 0x1affee00, 0xe1b07e09, 0x4afff7ab, - 0xe08c8c27, 0xe898000f, 0xe1b04d23, 0xe28f7000, - 0x1afff279, 0x1888000f, 0xe1a04883, 0xe2944802, - 0x0a000015, 0xe1c00589, 0xe92c4000, 0xe1914002, - 0x12433001, 0xebffff38, 0x1a000012, 0xe92c000f, - 0xebffefa1, 0xe3a08102, 0xe3b0a100, 0xe2eab901, - 0xebffeef8, 0xe1a07000, 0xe1a08001, 0xe1a0a002, - 0xe1a0b003, 0xe8bc000f, 0xebffeff0, 0xe1914002, - 0x12833001, 0xe8bc4000, 0xeafffdc2, 0xe1914002, - 0x03a014c9, 0xeafff9cf, 0xe8bc4000, 0xe3540004, - 0x03a03000, 0x03a00000, 0x0afffdba, 0xe3a014c9, - 0xe3b02100, 0xe2e23902, 0xeafff9c6, 0xe3190080, - 0x1affedd1, 0xe1b07e09, 0x4afff780, 0xe08c8c27, - 0xe898000f, 0xe1b04d23, 0xe28f7000, 0x1afff24a, - 0x1888000f, 0xe1b04883, 0x0a00006b, 0x52944802, - 0x4a000072, 0xe92c4201, 0xe3a00000, 0xe3a05901, - 0xe2455002, 0xe1530005, 0xaa000009, 0xe2094501, - 0xe92c0010, 0xe3a04901, 0xe2444021, 0xe1530004, - 0xba000049, 0xe92c000f, 0xebffef6b, 0xe92c000f, - 0xea000012, 0xe2094501, 0xe2244501, 0xe92c0010, - 0xe3a00102, 0xe3a08102, 0xe3b0a100, 0xe2eab901, - 0xebffeebc, 0xe1914002, 0x0a00003b, 0xe2433001, - 0xe24cc010, 0xe92c000f, 0xebfff01c, 0xe2200102, - 0xe2833001, 0xe28c4010, 0xe884000f, 0xe89c000f, - 0xe28f9f59, 0xe8b90d00, 0xebffeef7, 0xe89c0d80, - 0xebffef55, 0xe8b90d00, 0xebffeeaa, 0xe89c0d80, - 0xebffef51, 0xe8b90d00, 0xebffeeef, 0xe89c0d80, - 0xebffef4d, 0xe8b90d00, 0xebffeea2, 0xe89c0d80, - 0xebffef49, 0xe8b90d00, 0xebffeee7, 0xe89c0d80, - 0xe92c000f, 0xe3a00102, 0xe8b9000e, 0xebffef42, - 0xe8b90d00, 0xebffee97, 0xe28c7010, 0xe8970d80, - 0xebffef3d, 0xe8b90d00, 0xebffeedb, 0xe28c7010, - 0xe8970d80, 0xebffef38, 0xe8b90d00, 0xebffee8d, - 0xe28c7010, 0xe8970d80, 0xebffef33, 0xe8b90d00, - 0xebffeed1, 0xe28c7010, 0xe8970d80, 0xebffef2e, - 0xe8bc0d80, 0xe28cc010, 0xebffef80, 0xe89c0d80, - 0xebffef29, 0xe8bc0d80, 0xebffee7b, 0xe8bc0230, - 0xe3190501, 0x0a000008, 0xe3150102, 0x028f5c01, - 0x128f5f46, 0xe0855924, 0x02200102, 0xe8950d00, - 0xebffee74, 0xe8bc4000, 0xeafffd46, 0xe3150102, - 0xe28f50dc, 0xe0855924, 0xe8950d00, 0xebffee6d, - 0x12200102, 0xe8bc4000, 0xeafffd3e, 0xe1915002, - 0x0affff93, 0xe1b01001, 0x4affff91, 0xe2433001, - 0xe0922002, 0xe0b11001, 0x5afffffb, 0xeaffff8c, - 0xe2f35901, 0x01925081, 0x0affff89, 0xe2944802, - 0x1a000001, 0xe1914002, 0x1afff93e, 0xe3a014ca, - 0xe3b02100, 0xe2e23902, 0xeafff93a, 0xbe974377, - 0xcc30f9e6, 0x00004003, 0x96f3e4b2, 0xc8e37cbc, - 0x00004006, 0xbeee77e2, 0xb5423cf3, 0x00004007, - 0xd0927880, 0xf5c2170b, 0x00004007, 0xa43601f1, - 0x5c3e6196, 0x00004006, 0xb25dedaf, 0x30f3242c, - 0x00003ffe, 0xa270bb27, 0x61c93957, 0x00004002, - 0x9ec1654d, 0x36d4f820, 0x00004004, 0xe4d539b0, - 0x56a451ad, 0x00004004, 0xdaf2ad41, 0xd05311c4, - 0x00004003, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0xc90fdaa2, 0x2168c235, 0x00003fff, - 0xc90fdaa2, 0x2168c235, 0x00004000, 0x00000000, - 0xc90fdaa2, 0x2168c235, 0x00003fff, 0xe3190080, - 0x1affed19, 0xe2096807, 0xe08c6626, 0xe896000f, - 0xe1b04d23, 0xe28f7000, 0x1afff193, 0x1886000f, - 0xe2000102, 0xe183b000, 0xe1a0a002, 0xe1a08001, - 0xe1b06e09, 0x4afff6c9, 0xe08c6c26, 0xe896000f, - 0xe1b04d23, 0xe28f7000, 0x1afff187, 0x1886000f, - 0xe1a0700b, 0xe3cbb102, 0xe1b04883, 0x12944802, - 0x11b0588b, 0x12955802, 0x192c4281, 0x1bffef0b, - 0x1a00004e, 0xe1b04883, 0x1a000010, 0xe1915002, - 0x1a00000a, 0xe1b0588b, 0x0198600a, 0x0a00001f, - 0xe2955802, 0x1a000016, 0xe198600a, 0x0a000014, - 0xe1a01008, 0xe1a0200a, 0xe1a0300b, 0xeafff8e1, - 0xe0922002, 0xe0b11001, 0xe2433001, 0x5afffffb, - 0xe1b0588b, 0x1a000019, 0xe198600a, 0x1a000013, - 0xe2944802, 0x1a000001, 0xe1916002, 0x1afff8d5, - 0xe1a04000, 0xe1a05007, 0xe28f0fbd, 0xe890000e, - 0xea00008c, 0xe1a04000, 0xe1a05007, 0xe3a00000, - 0xe3a01000, 0xe3a02000, 0xe3a03000, 0xea00007d, - 0xe3a014cb, 0xe3b02100, 0xe2e23902, 0xeafff8c5, - 0xe09aa00a, 0xe0b88008, 0xe24bb001, 0x5afffffb, - 0xe2956802, 0x12946802, 0x1affffca, 0xe2946802, - 0x1a000006, 0xe1916002, 0x1afff8ba, 0xe2956802, - 0x1affffe2, 0xe198600a, 0x03a014cb, 0x0afff8b5, - 0xe198600a, 0x0affffe2, 0xe1a01008, 0xe1a0200a, - 0xe1a0300b, 0xeafff8af, 0xe3190080, 0x1affecba, - 0xe1b07e09, 0x4afff671, 0xe08c8c27, 0xe898000f, - 0xe1b04d23, 0xe28f7000, 0x1afff133, 0x1888000f, - 0xe1b04883, 0x12944802, 0x0a000060, 0xe92c4281, - 0xe3b00100, 0xe2f34901, 0xdbffeeb0, 0xd3a04002, - 0xc3a04000, 0xe28f9d06, 0xe8b90d00, 0xe153000b, - 0x01510008, 0x0152000a, 0xc2844001, 0xe92c0010, - 0xda00000d, 0xe92c000f, 0xe8990d00, 0xebffedad, - 0xe8bc0d80, 0xe92c000f, 0xe3a00000, 0xe8b9000e, - 0xebffee51, 0xe3a08102, 0xe3b0a100, 0xe2eab901, - 0xebffeded, 0xe8bc0d80, 0xebffeea0, 0xe3a04901, - 0xe2444021, 0xe1530004, 0xba00002c, 0xe92c000f, - 0xebffee41, 0xe92c000f, 0xe28f9f49, 0xe8b90d00, - 0xebffed98, 0xe89c0d80, 0xebffee3f, 0xe8b90d00, - 0xebffed94, 0xe89c0d80, 0xebffee3b, 0xe8b90d00, - 0xebffed90, 0xe89c0d80, 0xebffee37, 0xe8b90d00, - 0xebffed8c, 0xe89c0d80, 0xe92c000f, 0xe3a00102, - 0xe8b9000e, 0xebffee30, 0xe8b90d00, 0xebffedce, - 0xe28c7010, 0xe8970d80, 0xebffee2b, 0xe8b90d00, - 0xebffedc9, 0xe28c7010, 0xe8970d80, 0xebffee26, - 0xe8b90d00, 0xebffedc4, 0xe28c7010, 0xe8970d80, - 0xebffee21, 0xe8bc0d80, 0xe28cc010, 0xebffee73, - 0xe89c0d80, 0xebffee1c, 0xe8bc0d80, 0xebffed6e, - 0xe28f90dc, 0xe8bc0010, 0xe0200f04, 0xe0899204, - 0xe8990d00, 0xebffed6b, 0xe8bc4230, 0xe3190601, - 0x10200004, 0x1afffc3b, 0xe3150102, 0x0a000005, - 0xe92c4010, 0xe2200102, 0xe24f7d0d, 0xe8970d00, - 0xebffed60, 0xe8bc4010, 0xe0200004, 0xeafffc31, - 0xe3530000, 0x0afffc2f, 0xe1914002, 0x1afff83d, - 0xe28f009c, 0xe890000e, 0xeafffc2a, 0x8930a2f4, - 0xf66ab18a, 0x00003ffd, 0xddb3d742, 0xc265539e, - 0x00003fff, 0xf0624f0a, 0x56388310, 0x00004002, - 0xee505190, 0x6d1eb4e8, 0x00004004, 0xac509020, - 0x5b6d243b, 0x00004005, 0xa443e5e6, 0x24ad4b90, - 0x00004004, 0xd66bd6cd, 0x8c3de934, 0x00003ffe, - 0x87e9fae4, 0x6b531a29, 0x00004002, 0xa40bfdcf, - 0x15e65691, 0x00004003, 0xdb053288, 0x30e70eb4, - 0x00004002, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x860a91c1, 0x6b9b2c23, 0x00003ffe, - 0x00000000, 0xc90fdaa2, 0x2168c235, 0x00003fff, - 0x00000000, 0x860a91c1, 0x6b9b2c23, 0x00003fff, - 0xe92d5001, 0xe24fc05c, 0xe24ccc50, 0xe3a00807, - 0xe58c0080, 0xe8bd9001, 0xe1a00000, 0xe3100001, - 0x128f0e15, 0x1a00000a, 0xe3100004, 0x128f0f47, - 0x1a000007, 0xe3100002, 0x128f00e0, 0x1a000004, - 0xe3100008, 0x128f00a8, 0x1a000001, 0xe28f0070, - 0xeaffffff, 0xe28f101c, 0xe14fb000, 0xe8bd07f8, - 0xe8a107f8, 0xe8bd07f8, 0xe24aa004, 0xe8a10ff8, - 0xe28f1000, 0xef000071, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00002278, - 0xffffffff, 0x80000204, 0x616f6c46, 0x676e6974, - 0x696f5020, 0x4520746e, 0x70656378, 0x6e6f6974, - 0x49203a20, 0x6178656e, 0x52207463, 0x6c757365, - 0x00000074, 0x80000203, 0x616f6c46, 0x676e6974, - 0x696f5020, 0x4520746e, 0x70656378, 0x6e6f6974, - 0x55203a20, 0x7265646e, 0x776f6c66, 0x00000000, - 0x80000202, 0x616f6c46, 0x676e6974, 0x696f5020, - 0x4520746e, 0x70656378, 0x6e6f6974, 0x44203a20, - 0x64697669, 0x79422065, 0x72655a20, 0x0000006f, - 0x80000201, 0x616f6c46, 0x676e6974, 0x696f5020, - 0x4520746e, 0x70656378, 0x6e6f6974, 0x4f203a20, - 0x66726576, 0x00776f6c, 0x80000200, 0x616f6c46, - 0x676e6974, 0x696f5020, 0x4520746e, 0x70656378, - 0x6e6f6974, 0x49203a20, 0x6c61766e, 0x4f206469, - 0x61726570, 0x6e6f6974, 0x00000000, 0xfefefeff, 0 -}; - -unsigned long fpesize = 0x00005300; diff --git a/sim/arm/arminit.c b/sim/arm/arminit.c deleted file mode 100644 index bdbb2c77771..00000000000 --- a/sim/arm/arminit.c +++ /dev/null @@ -1,319 +0,0 @@ -/* arminit.c -- ARMulator initialization: ARM6 Instruction Emulator. - Copyright (C) 1994 Advanced RISC Machines Ltd. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#include "armdefs.h" -#include "armemu.h" - -/***************************************************************************\ -* Definitions for the emulator architecture * -\***************************************************************************/ - -void ARMul_EmulateInit (void); -ARMul_State *ARMul_NewState (void); -void ARMul_Reset (ARMul_State * state); -ARMword ARMul_DoCycle (ARMul_State * state); -unsigned ARMul_DoCoPro (ARMul_State * state); -ARMword ARMul_DoProg (ARMul_State * state); -ARMword ARMul_DoInstr (ARMul_State * state); -void ARMul_Abort (ARMul_State * state, ARMword address); - -unsigned ARMul_MultTable[32] = - { 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, - 10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 16, 16, 16 -}; -ARMword ARMul_ImmedTable[4096]; /* immediate DP LHS values */ -char ARMul_BitList[256]; /* number of bits in a byte table */ - -/***************************************************************************\ -* Call this routine once to set up the emulator's tables. * -\***************************************************************************/ - -void -ARMul_EmulateInit (void) -{ - unsigned long i, j; - - for (i = 0; i < 4096; i++) - { /* the values of 12 bit dp rhs's */ - ARMul_ImmedTable[i] = ROTATER (i & 0xffL, (i >> 7L) & 0x1eL); - } - - for (i = 0; i < 256; ARMul_BitList[i++] = 0); /* how many bits in LSM */ - for (j = 1; j < 256; j <<= 1) - for (i = 0; i < 256; i++) - if ((i & j) > 0) - ARMul_BitList[i]++; - - for (i = 0; i < 256; i++) - ARMul_BitList[i] *= 4; /* you always need 4 times these values */ - -} - -/***************************************************************************\ -* Returns a new instantiation of the ARMulator's state * -\***************************************************************************/ - -ARMul_State * -ARMul_NewState (void) -{ - ARMul_State *state; - unsigned i, j; - - state = (ARMul_State *) malloc (sizeof (ARMul_State)); - memset (state, 0, sizeof (ARMul_State)); - - state->Emulate = RUN; - for (i = 0; i < 16; i++) - { - state->Reg[i] = 0; - for (j = 0; j < 7; j++) - state->RegBank[j][i] = 0; - } - for (i = 0; i < 7; i++) - state->Spsr[i] = 0; - - /* state->Mode = USER26MODE; */ - state->Mode = USER32MODE; - - state->CallDebug = FALSE; - state->Debug = FALSE; - state->VectorCatch = 0; - state->Aborted = FALSE; - state->Reseted = FALSE; - state->Inted = 3; - state->LastInted = 3; - - state->MemDataPtr = NULL; - state->MemInPtr = NULL; - state->MemOutPtr = NULL; - state->MemSparePtr = NULL; - state->MemSize = 0; - - state->OSptr = NULL; - state->CommandLine = NULL; - - state->CP14R0_CCD = -1; - state->LastTime = 0; - - state->EventSet = 0; - state->Now = 0; - state->EventPtr = (struct EventNode **) malloc ((unsigned) EVENTLISTSIZE * - sizeof (struct EventNode - *)); - for (i = 0; i < EVENTLISTSIZE; i++) - *(state->EventPtr + i) = NULL; - - state->prog32Sig = HIGH; - state->data32Sig = HIGH; - - state->lateabtSig = LOW; - state->bigendSig = LOW; - - state->is_v4 = LOW; - state->is_v5 = LOW; - state->is_v5e = LOW; - state->is_XScale = LOW; - - ARMul_Reset (state); - - return state; -} - -/***************************************************************************\ - Call this routine to set ARMulator to model certain processor properities -\***************************************************************************/ - -void -ARMul_SelectProcessor (ARMul_State * state, unsigned properties) -{ - if (properties & ARM_Fix26_Prop) - { - state->prog32Sig = LOW; - state->data32Sig = LOW; - } - else - { - state->prog32Sig = HIGH; - state->data32Sig = HIGH; - } - - state->lateabtSig = LOW; - - state->is_v4 = (properties & (ARM_v4_Prop | ARM_v5_Prop)) ? HIGH : LOW; - state->is_v5 = (properties & ARM_v5_Prop) ? HIGH : LOW; - state->is_v5e = (properties & ARM_v5e_Prop) ? HIGH : LOW; - state->is_XScale = (properties & ARM_XScale_Prop) ? HIGH : LOW; -} - -/***************************************************************************\ -* Call this routine to set up the initial machine state (or perform a RESET * -\***************************************************************************/ - -void -ARMul_Reset (ARMul_State * state) -{ - state->NextInstr = 0; - - if (state->prog32Sig) - { - state->Reg[15] = 0; - state->Cpsr = INTBITS | SVC32MODE; - state->Mode = SVC32MODE; - } - else - { - state->Reg[15] = R15INTBITS | SVC26MODE; - state->Cpsr = INTBITS | SVC26MODE; - state->Mode = SVC26MODE; - } - - ARMul_CPSRAltered (state); - state->Bank = SVCBANK; - - FLUSHPIPE; - - state->EndCondition = 0; - state->ErrorCode = 0; - - state->Exception = FALSE; - state->NresetSig = HIGH; - state->NfiqSig = HIGH; - state->NirqSig = HIGH; - state->NtransSig = (state->Mode & 3) ? HIGH : LOW; - state->abortSig = LOW; - state->AbortAddr = 1; - - state->NumInstrs = 0; - state->NumNcycles = 0; - state->NumScycles = 0; - state->NumIcycles = 0; - state->NumCcycles = 0; - state->NumFcycles = 0; -#ifdef ASIM - (void) ARMul_MemoryInit (); - ARMul_OSInit (state); -#endif -} - - -/***************************************************************************\ -* Emulate the execution of an entire program. Start the correct emulator * -* (Emulate26 for a 26 bit ARM and Emulate32 for a 32 bit ARM), return the * -* address of the last instruction that is executed. * -\***************************************************************************/ - -ARMword -ARMul_DoProg (ARMul_State * state) -{ - ARMword pc = 0; - - state->Emulate = RUN; - while (state->Emulate != STOP) - { - state->Emulate = RUN; - if (state->prog32Sig && ARMul_MODE32BIT) - pc = ARMul_Emulate32 (state); - else - pc = ARMul_Emulate26 (state); - } - return (pc); -} - -/***************************************************************************\ -* Emulate the execution of one instruction. Start the correct emulator * -* (Emulate26 for a 26 bit ARM and Emulate32 for a 32 bit ARM), return the * -* address of the instruction that is executed. * -\***************************************************************************/ - -ARMword -ARMul_DoInstr (ARMul_State * state) -{ - ARMword pc = 0; - - state->Emulate = ONCE; - if (state->prog32Sig && ARMul_MODE32BIT) - pc = ARMul_Emulate32 (state); - else - pc = ARMul_Emulate26 (state); - - return (pc); -} - -/***************************************************************************\ -* This routine causes an Abort to occur, including selecting the correct * -* mode, register bank, and the saving of registers. Call with the * -* appropriate vector's memory address (0,4,8 ....) * -\***************************************************************************/ - -void -ARMul_Abort (ARMul_State * state, ARMword vector) -{ - ARMword temp; - int isize = INSN_SIZE; - int esize = (TFLAG ? 0 : 4); - int e2size = (TFLAG ? -4 : 0); - - state->Aborted = FALSE; - - if (ARMul_OSException (state, vector, ARMul_GetPC (state))) - return; - - if (state->prog32Sig) - if (ARMul_MODE26BIT) - temp = R15PC; - else - temp = state->Reg[15]; - else - temp = R15PC | ECC | ER15INT | EMODE; - - switch (vector) - { - case ARMul_ResetV: /* RESET */ - SETABORT (INTBITS, state->prog32Sig ? SVC32MODE : SVC26MODE, 0); - break; - case ARMul_UndefinedInstrV: /* Undefined Instruction */ - SETABORT (IBIT, state->prog32Sig ? UNDEF32MODE : SVC26MODE, isize); - break; - case ARMul_SWIV: /* Software Interrupt */ - SETABORT (IBIT, state->prog32Sig ? SVC32MODE : SVC26MODE, isize); - break; - case ARMul_PrefetchAbortV: /* Prefetch Abort */ - state->AbortAddr = 1; - SETABORT (IBIT, state->prog32Sig ? ABORT32MODE : SVC26MODE, esize); - break; - case ARMul_DataAbortV: /* Data Abort */ - SETABORT (IBIT, state->prog32Sig ? ABORT32MODE : SVC26MODE, e2size); - break; - case ARMul_AddrExceptnV: /* Address Exception */ - SETABORT (IBIT, SVC26MODE, isize); - break; - case ARMul_IRQV: /* IRQ */ - if (!state->is_XScale - || (state->CPRead[13](state, 0, 0) & ARMul_CP13_R0_IRQ)) - SETABORT (IBIT, state->prog32Sig ? IRQ32MODE : IRQ26MODE, esize); - break; - case ARMul_FIQV: /* FIQ */ - if (!state->is_XScale - || (state->CPRead[13](state, 0, 0) & ARMul_CP13_R0_FIQ)) - SETABORT (INTBITS, state->prog32Sig ? FIQ32MODE : FIQ26MODE, esize); - break; - } - if (ARMul_MODE32BIT) - ARMul_SetR15 (state, vector); - else - ARMul_SetR15 (state, R15CCINTMODE | vector); -} diff --git a/sim/arm/armopts.h b/sim/arm/armopts.h deleted file mode 100644 index c3b5cb770d3..00000000000 --- a/sim/arm/armopts.h +++ /dev/null @@ -1,23 +0,0 @@ -/* armopts.h -- ARMulator configuration options: ARM6 Instruction Emulator. - Copyright (C) 1994 Advanced RISC Machines Ltd. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -/* Define one of ARM60 or ARM61 */ -#ifndef ARM60 -#ifndef ARM61 -#define ARM60 -#endif -#endif diff --git a/sim/arm/armos.c b/sim/arm/armos.c deleted file mode 100644 index 93dcbd89345..00000000000 --- a/sim/arm/armos.c +++ /dev/null @@ -1,680 +0,0 @@ -/* armos.c -- ARMulator OS interface: ARM6 Instruction Emulator. - Copyright (C) 1994 Advanced RISC Machines Ltd. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -/* This file contains a model of Demon, ARM Ltd's Debug Monitor, - including all the SWI's required to support the C library. The code in - it is not really for the faint-hearted (especially the abort handling - code), but it is a complete example. Defining NOOS will disable all the - fun, and definign VAILDATE will define SWI 1 to enter SVC mode, and SWI - 0x11 to halt the emulator. */ - -#include "config.h" -#include "ansidecl.h" - -#include <time.h> -#include <errno.h> -#include <string.h> -#include <fcntl.h> - -#ifndef O_RDONLY -#define O_RDONLY 0 -#endif -#ifndef O_WRONLY -#define O_WRONLY 1 -#endif -#ifndef O_RDWR -#define O_RDWR 2 -#endif -#ifndef O_BINARY -#define O_BINARY 0 -#endif - -#ifdef __STDC__ -#define unlink(s) remove(s) -#endif - -#ifdef HAVE_UNISTD_H -#include <unistd.h> /* For SEEK_SET etc */ -#endif - -#ifdef __riscos -extern int _fisatty (FILE *); -#define isatty_(f) _fisatty(f) -#else -#ifdef __ZTC__ -#include <io.h> -#define isatty_(f) isatty((f)->_file) -#else -#ifdef macintosh -#include <ioctl.h> -#define isatty_(f) (~ioctl ((f)->_file, FIOINTERACTIVE, NULL)) -#else -#define isatty_(f) isatty (fileno (f)) -#endif -#endif -#endif - -#include "armdefs.h" -#include "armos.h" -#include "armemu.h" - -#ifndef NOOS -#ifndef VALIDATE -/* #ifndef ASIM */ -#include "armfpe.h" -/* #endif */ -#endif -#endif - -/* For RDIError_BreakpointReached. */ -#include "dbg_rdi.h" - -extern unsigned ARMul_OSInit (ARMul_State * state); -extern void ARMul_OSExit (ARMul_State * state); -extern unsigned ARMul_OSHandleSWI (ARMul_State * state, ARMword number); -extern unsigned ARMul_OSException (ARMul_State * state, ARMword vector, - ARMword pc); -extern ARMword ARMul_OSLastErrorP (ARMul_State * state); -extern ARMword ARMul_Debug (ARMul_State * state, ARMword pc, ARMword instr); - -#define BUFFERSIZE 4096 -#ifndef FOPEN_MAX -#define FOPEN_MAX 64 -#endif -#define UNIQUETEMPS 256 - -/* OS private Information. */ - -struct OSblock -{ - ARMword Time0; - ARMword ErrorP; - ARMword ErrorNo; - FILE *FileTable[FOPEN_MAX]; - char FileFlags[FOPEN_MAX]; - char *tempnames[UNIQUETEMPS]; -}; - -#define NOOP 0 -#define BINARY 1 -#define READOP 2 -#define WRITEOP 4 - -#ifdef macintosh -#define FIXCRLF(t,c) ((t & BINARY) ? \ - c : \ - ((c == '\n' || c == '\r' ) ? (c ^ 7) : c) \ - ) -#else -#define FIXCRLF(t,c) c -#endif - -static ARMword softvectorcode[] = -{ - /* Basic: swi tidyexception + event; mov pc, lr; - ldmia r11,{r11,pc}; swi generateexception + event. */ - 0xef000090, 0xe1a0e00f, 0xe89b8800, 0xef000080, /* Reset */ - 0xef000091, 0xe1a0e00f, 0xe89b8800, 0xef000081, /* Undef */ - 0xef000092, 0xe1a0e00f, 0xe89b8800, 0xef000082, /* SWI */ - 0xef000093, 0xe1a0e00f, 0xe89b8800, 0xef000083, /* Prefetch abort */ - 0xef000094, 0xe1a0e00f, 0xe89b8800, 0xef000084, /* Data abort */ - 0xef000095, 0xe1a0e00f, 0xe89b8800, 0xef000085, /* Address exception */ - 0xef000096, 0xe1a0e00f, 0xe89b8800, 0xef000086, /* IRQ */ - 0xef000097, 0xe1a0e00f, 0xe89b8800, 0xef000087, /* FIQ */ - 0xef000098, 0xe1a0e00f, 0xe89b8800, 0xef000088, /* Error */ - 0xe1a0f00e /* Default handler */ -}; - -/* Time for the Operating System to initialise itself. */ - -unsigned -ARMul_OSInit (ARMul_State * state) -{ -#ifndef NOOS -#ifndef VALIDATE - ARMword instr, i, j; - struct OSblock *OSptr = (struct OSblock *) state->OSptr; - - if (state->OSptr == NULL) - { - state->OSptr = (unsigned char *) malloc (sizeof (struct OSblock)); - if (state->OSptr == NULL) - { - perror ("OS Memory"); - exit (15); - } - } - - OSptr = (struct OSblock *) state->OSptr; - OSptr->ErrorP = 0; - state->Reg[13] = ADDRSUPERSTACK; /* set up a stack for the current mode */ - ARMul_SetReg (state, SVC32MODE, 13, ADDRSUPERSTACK); /* and for supervisor mode */ - ARMul_SetReg (state, ABORT32MODE, 13, ADDRSUPERSTACK); /* and for abort 32 mode */ - ARMul_SetReg (state, UNDEF32MODE, 13, ADDRSUPERSTACK); /* and for undef 32 mode */ - ARMul_SetReg (state, SYSTEMMODE, 13, ADDRSUPERSTACK); /* and for system mode */ - instr = 0xe59ff000 | (ADDRSOFTVECTORS - 8); /* load pc from soft vector */ - - for (i = ARMul_ResetV; i <= ARMFIQV; i += 4) - ARMul_WriteWord (state, i, instr); /* write hardware vectors */ - - SWI_vector_installed = 0; - - for (i = ARMul_ResetV; i <= ARMFIQV + 4; i += 4) - { - ARMul_WriteWord (state, ADDRSOFTVECTORS + i, SOFTVECTORCODE + i * 4); - ARMul_WriteWord (state, ADDRSOFHANDLERS + 2 * i + 4L, - SOFTVECTORCODE + sizeof (softvectorcode) - 4L); - } - - for (i = 0; i < sizeof (softvectorcode); i += 4) - ARMul_WriteWord (state, SOFTVECTORCODE + i, softvectorcode[i / 4]); - - for (i = 0; i < FOPEN_MAX; i++) - OSptr->FileTable[i] = NULL; - - for (i = 0; i < UNIQUETEMPS; i++) - OSptr->tempnames[i] = NULL; - - ARMul_ConsolePrint (state, ", Demon 1.01"); - -/* #ifndef ASIM */ - - /* install fpe */ - for (i = 0; i < fpesize; i += 4) /* copy the code */ - ARMul_WriteWord (state, FPESTART + i, fpecode[i >> 2]); - - for (i = FPESTART + fpesize;; i -= 4) - { /* reverse the error strings */ - if ((j = ARMul_ReadWord (state, i)) == 0xffffffff) - break; - if (state->bigendSig && j < 0x80000000) - { /* it's part of the string so swap it */ - j = ((j >> 0x18) & 0x000000ff) | - ((j >> 0x08) & 0x0000ff00) | - ((j << 0x08) & 0x00ff0000) | ((j << 0x18) & 0xff000000); - ARMul_WriteWord (state, i, j); - } - } - - ARMul_WriteWord (state, FPEOLDVECT, ARMul_ReadWord (state, 4)); /* copy old illegal instr vector */ - ARMul_WriteWord (state, 4, FPENEWVECT (ARMul_ReadWord (state, i - 4))); /* install new vector */ - ARMul_ConsolePrint (state, ", FPE"); - -/* #endif ASIM */ -#endif /* VALIDATE */ -#endif /* NOOS */ - - return TRUE; -} - -void -ARMul_OSExit (ARMul_State * state) -{ - free ((char *) state->OSptr); -} - - -/* Return the last Operating System Error. */ - -ARMword ARMul_OSLastErrorP (ARMul_State * state) -{ - return ((struct OSblock *) state->OSptr)->ErrorP; -} - -static int translate_open_mode[] = -{ - O_RDONLY, /* "r" */ - O_RDONLY + O_BINARY, /* "rb" */ - O_RDWR, /* "r+" */ - O_RDWR + O_BINARY, /* "r+b" */ - O_WRONLY + O_CREAT + O_TRUNC, /* "w" */ - O_WRONLY + O_BINARY + O_CREAT + O_TRUNC, /* "wb" */ - O_RDWR + O_CREAT + O_TRUNC, /* "w+" */ - O_RDWR + O_BINARY + O_CREAT + O_TRUNC, /* "w+b" */ - O_WRONLY + O_APPEND + O_CREAT, /* "a" */ - O_WRONLY + O_BINARY + O_APPEND + O_CREAT, /* "ab" */ - O_RDWR + O_APPEND + O_CREAT, /* "a+" */ - O_RDWR + O_BINARY + O_APPEND + O_CREAT /* "a+b" */ -}; - -static void -SWIWrite0 (ARMul_State * state, ARMword addr) -{ - ARMword temp; - struct OSblock *OSptr = (struct OSblock *) state->OSptr; - - while ((temp = ARMul_SafeReadByte (state, addr++)) != 0) - (void) fputc ((char) temp, stdout); - - OSptr->ErrorNo = errno; -} - -static void -WriteCommandLineTo (ARMul_State * state, ARMword addr) -{ - ARMword temp; - char *cptr = state->CommandLine; - - if (cptr == NULL) - cptr = "\0"; - do - { - temp = (ARMword) * cptr++; - ARMul_SafeWriteByte (state, addr++, temp); - } - while (temp != 0); -} - -static void -SWIopen (ARMul_State * state, ARMword name, ARMword SWIflags) -{ - struct OSblock *OSptr = (struct OSblock *) state->OSptr; - char dummy[2000]; - int flags; - int i; - - for (i = 0; (dummy[i] = ARMul_SafeReadByte (state, name + i)); i++) - ; - - /* Now we need to decode the Demon open mode. */ - flags = translate_open_mode[SWIflags]; - - /* Filename ":tt" is special: it denotes stdin/out. */ - if (strcmp (dummy, ":tt") == 0) - { - if (flags == O_RDONLY) /* opening tty "r" */ - state->Reg[0] = 0; /* stdin */ - else - state->Reg[0] = 1; /* stdout */ - } - else - { - state->Reg[0] = (int) open (dummy, flags, 0666); - OSptr->ErrorNo = errno; - } -} - -static void -SWIread (ARMul_State * state, ARMword f, ARMword ptr, ARMword len) -{ - struct OSblock *OSptr = (struct OSblock *) state->OSptr; - int res; - int i; - char *local = malloc (len); - - if (local == NULL) - { - fprintf (stderr, "sim: Unable to read 0x%ulx bytes - out of memory\n", - len); - return; - } - - res = read (f, local, len); - if (res > 0) - for (i = 0; i < res; i++) - ARMul_SafeWriteByte (state, ptr + i, local[i]); - - free (local); - state->Reg[0] = res == -1 ? -1 : len - res; - OSptr->ErrorNo = errno; -} - -static void -SWIwrite (ARMul_State * state, ARMword f, ARMword ptr, ARMword len) -{ - struct OSblock *OSptr = (struct OSblock *) state->OSptr; - int res; - ARMword i; - char *local = malloc (len); - - if (local == NULL) - { - fprintf (stderr, "sim: Unable to write 0x%lx bytes - out of memory\n", - (long) len); - return; - } - - for (i = 0; i < len; i++) - local[i] = ARMul_SafeReadByte (state, ptr + i); - - res = write (f, local, len); - state->Reg[0] = res == -1 ? -1 : len - res; - free (local); - - OSptr->ErrorNo = errno; -} - -static void -SWIflen (ARMul_State * state, ARMword fh) -{ - struct OSblock *OSptr = (struct OSblock *) state->OSptr; - ARMword addr; - - if (fh == 0 || fh > FOPEN_MAX) - { - OSptr->ErrorNo = EBADF; - state->Reg[0] = -1L; - return; - } - - addr = lseek (fh, 0, SEEK_CUR); - - state->Reg[0] = lseek (fh, 0L, SEEK_END); - (void) lseek (fh, addr, SEEK_SET); - - OSptr->ErrorNo = errno; -} - -/* The emulator calls this routine when a SWI instruction is encuntered. - The parameter passed is the SWI number (lower 24 bits of the instruction). */ - -unsigned -ARMul_OSHandleSWI (ARMul_State * state, ARMword number) -{ - ARMword addr; - ARMword temp; - ARMword saved_number = 0; - struct OSblock * OSptr = (struct OSblock *) state->OSptr; - - /* Intel do not want DEMON SWI support. */ - if (state->is_XScale) - switch (number) - { - case SWI_Read: - case SWI_Write: - case SWI_Open: - case SWI_Clock: - case SWI_Time: - case SWI_Close: - case SWI_Flen: - case SWI_Exit: - case SWI_Seek: - case SWI_WriteC: - case SWI_Write0: - case SWI_GetErrno: - case SWI_GetEnv: - saved_number = number; - number = -1; - default: - break; - } - - switch (number) - { - case SWI_Read: - SWIread (state, state->Reg[0], state->Reg[1], state->Reg[2]); - break; - - case SWI_Write: - SWIwrite (state, state->Reg[0], state->Reg[1], state->Reg[2]); - break; - - case SWI_Open: - SWIopen (state, state->Reg[0], state->Reg[1]); - break; - - case SWI_Clock: - /* Return number of centi-seconds. */ - state->Reg[0] = -#ifdef CLOCKS_PER_SEC - (CLOCKS_PER_SEC >= 100) - ? (ARMword) (clock () / (CLOCKS_PER_SEC / 100)) - : (ARMword) ((clock () * 100) / CLOCKS_PER_SEC); -#else - /* Presume unix... clock() returns microseconds. */ - (ARMword) (clock () / 10000); -#endif - OSptr->ErrorNo = errno; - break; - - case SWI_Time: - state->Reg[0] = (ARMword) time (NULL); - OSptr->ErrorNo = errno; - break; - - case SWI_Close: - state->Reg[0] = close (state->Reg[0]); - OSptr->ErrorNo = errno; - break; - - case SWI_Flen: - SWIflen (state, state->Reg[0]); - break; - - case SWI_Exit: - state->Emulate = FALSE; - break; - - case SWI_Seek: - /* We must return non-zero for failure. */ - state->Reg[0] = -1 >= lseek (state->Reg[0], state->Reg[1], SEEK_SET); - OSptr->ErrorNo = errno; - break; - - case SWI_WriteC: - (void) fputc ((int) state->Reg[0], stdout); - OSptr->ErrorNo = errno; - break; - - case SWI_Write0: - SWIWrite0 (state, state->Reg[0]); - break; - - case SWI_GetErrno: - state->Reg[0] = OSptr->ErrorNo; - break; - - case SWI_GetEnv: - state->Reg[0] = ADDRCMDLINE; - if (state->MemSize) - state->Reg[1] = state->MemSize; - else - state->Reg[1] = ADDRUSERSTACK; - - WriteCommandLineTo (state, state->Reg[0]); - break; - - case SWI_Breakpoint: - state->EndCondition = RDIError_BreakpointReached; - state->Emulate = FALSE; - break; - - /* Handle Angel SWIs as well as Demon ones. */ - case AngelSWI_ARM: - case AngelSWI_Thumb: - /* R1 is almost always a parameter block. */ - addr = state->Reg[1]; - /* R0 is a reason code. */ - switch (state->Reg[0]) - { - /* Unimplemented reason codes. */ - case AngelSWI_Reason_ReadC: - case AngelSWI_Reason_IsTTY: - case AngelSWI_Reason_TmpNam: - case AngelSWI_Reason_Remove: - case AngelSWI_Reason_Rename: - case AngelSWI_Reason_System: - case AngelSWI_Reason_EnterSVC: - default: - state->Emulate = FALSE; - return FALSE; - - case AngelSWI_Reason_Clock: - /* Return number of centi-seconds. */ - state->Reg[0] = -#ifdef CLOCKS_PER_SEC - (CLOCKS_PER_SEC >= 100) - ? (ARMword) (clock () / (CLOCKS_PER_SEC / 100)) - : (ARMword) ((clock () * 100) / CLOCKS_PER_SEC); -#else - /* Presume unix... clock() returns microseconds. */ - (ARMword) (clock () / 10000); -#endif - OSptr->ErrorNo = errno; - break; - - case AngelSWI_Reason_Time: - state->Reg[0] = (ARMword) time (NULL); - OSptr->ErrorNo = errno; - break; - - case AngelSWI_Reason_WriteC: - (void) fputc ((int) ARMul_SafeReadByte (state, addr), stdout); - OSptr->ErrorNo = errno; - /* Fall thgrough. */ - - case AngelSWI_Reason_Write0: - SWIWrite0 (state, addr); - break; - - case AngelSWI_Reason_Close: - state->Reg[0] = close (ARMul_ReadWord (state, addr)); - OSptr->ErrorNo = errno; - break; - - case AngelSWI_Reason_Seek: - state->Reg[0] = -1 >= lseek (ARMul_ReadWord (state, addr), - ARMul_ReadWord (state, addr + 4), - SEEK_SET); - OSptr->ErrorNo = errno; - break; - - case AngelSWI_Reason_FLen: - SWIflen (state, ARMul_ReadWord (state, addr)); - break; - - case AngelSWI_Reason_GetCmdLine: - WriteCommandLineTo (state, ARMul_ReadWord (state, addr)); - break; - - case AngelSWI_Reason_HeapInfo: - /* R1 is a pointer to a pointer. */ - addr = ARMul_ReadWord (state, addr); - - /* Pick up the right memory limit. */ - if (state->MemSize) - temp = state->MemSize; - else - temp = ADDRUSERSTACK; - - ARMul_WriteWord (state, addr, 0); /* Heap base */ - ARMul_WriteWord (state, addr + 4, temp); /* Heap limit */ - ARMul_WriteWord (state, addr + 8, temp); /* Stack base */ - ARMul_WriteWord (state, addr + 12, temp); /* Stack limit */ - break; - - case AngelSWI_Reason_ReportException: - if (state->Reg[1] == ADP_Stopped_ApplicationExit) - state->Reg[0] = 0; - else - state->Reg[0] = -1; - state->Emulate = FALSE; - break; - - case ADP_Stopped_ApplicationExit: - state->Reg[0] = 0; - state->Emulate = FALSE; - break; - - case ADP_Stopped_RunTimeError: - state->Reg[0] = -1; - state->Emulate = FALSE; - break; - - case AngelSWI_Reason_Errno: - state->Reg[0] = OSptr->ErrorNo; - break; - - case AngelSWI_Reason_Open: - SWIopen (state, - ARMul_ReadWord (state, addr), - ARMul_ReadWord (state, addr + 4)); - break; - - case AngelSWI_Reason_Read: - SWIread (state, - ARMul_ReadWord (state, addr), - ARMul_ReadWord (state, addr + 4), - ARMul_ReadWord (state, addr + 8)); - break; - - case AngelSWI_Reason_Write: - SWIwrite (state, - ARMul_ReadWord (state, addr), - ARMul_ReadWord (state, addr + 4), - ARMul_ReadWord (state, addr + 8)); - break; - } - - case 0x90: - case 0x91: - case 0x92: - /* These are used by the FPE code. */ - break; - - default: - /* If there is a SWI vector installed use it. */ - if (state->is_XScale && saved_number != -1) - number = saved_number; - - if (SWI_vector_installed && number != SWI_Breakpoint) - { - ARMword cpsr; - ARMword i_size; - - cpsr = ARMul_GetCPSR (state); - i_size = INSN_SIZE; - - ARMul_SetSPSR (state, SVC32MODE, cpsr); - - cpsr &= ~0xbf; - cpsr |= SVC32MODE | 0x80; - ARMul_SetCPSR (state, cpsr); - - state->RegBank[SVCBANK][14] = state->Reg[14] = state->Reg[15] - i_size; - state->NextInstr = RESUME; - state->Reg[15] = state->pc = ARMSWIV; - FLUSHPIPE; - } - else - { - fprintf (stderr, "unknown SWI encountered - %x - ignoring\n", number); - return FALSE; - } - } - - return TRUE; -} - -#ifndef NOOS -#ifndef ASIM - -/* The emulator calls this routine when an Exception occurs. The second - parameter is the address of the relevant exception vector. Returning - FALSE from this routine causes the trap to be taken, TRUE causes it to - be ignored (so set state->Emulate to FALSE!). */ - -unsigned -ARMul_OSException (ARMul_State * state ATTRIBUTE_UNUSED, - ARMword vector ATTRIBUTE_UNUSED, - ARMword pc ATTRIBUTE_UNUSED) -{ - return FALSE; -} - -#endif -#endif /* NOOS */ diff --git a/sim/arm/armos.h b/sim/arm/armos.h deleted file mode 100644 index d943735d33e..00000000000 --- a/sim/arm/armos.h +++ /dev/null @@ -1,97 +0,0 @@ -/* armos.h -- ARMulator OS definitions: ARM6 Instruction Emulator. - Copyright (C) 1994 Advanced RISC Machines Ltd. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -/***************************************************************************\ -* Define the initial layout of memory * -\***************************************************************************/ - -#define ADDRSUPERSTACK 0x800L /* supervisor stack space */ -#define ADDRUSERSTACK 0x80000L /* default user stack start */ -#define ADDRSOFTVECTORS 0x840L /* soft vectors are here */ -#define ADDRCMDLINE 0xf00L /* command line is here after a SWI GetEnv */ -#define ADDRSOFHANDLERS 0xad0L /* address and workspace for installed handlers */ -#define SOFTVECTORCODE 0xb80L /* default handlers */ - -/***************************************************************************\ -* SWI numbers * -\***************************************************************************/ - -#define SWI_WriteC 0x0 -#define SWI_Write0 0x2 -#define SWI_ReadC 0x4 -#define SWI_CLI 0x5 -#define SWI_GetEnv 0x10 -#define SWI_Exit 0x11 -#define SWI_EnterOS 0x16 - -#define SWI_GetErrno 0x60 -#define SWI_Clock 0x61 -#define SWI_Time 0x63 -#define SWI_Remove 0x64 -#define SWI_Rename 0x65 -#define SWI_Open 0x66 - -#define SWI_Close 0x68 -#define SWI_Write 0x69 -#define SWI_Read 0x6a -#define SWI_Seek 0x6b -#define SWI_Flen 0x6c - -#define SWI_IsTTY 0x6e -#define SWI_TmpNam 0x6f -#define SWI_InstallHandler 0x70 -#define SWI_GenerateError 0x71 - -#define SWI_Breakpoint 0x180000 /* see gdb's tm-arm.h */ - -#define AngelSWI_ARM 0x123456 -#define AngelSWI_Thumb 0xAB - -/* The reason codes: */ -#define AngelSWI_Reason_Open (0x01) -#define AngelSWI_Reason_Close (0x02) -#define AngelSWI_Reason_WriteC (0x03) -#define AngelSWI_Reason_Write0 (0x04) -#define AngelSWI_Reason_Write (0x05) -#define AngelSWI_Reason_Read (0x06) -#define AngelSWI_Reason_ReadC (0x07) -#define AngelSWI_Reason_IsTTY (0x09) -#define AngelSWI_Reason_Seek (0x0A) -#define AngelSWI_Reason_FLen (0x0C) -#define AngelSWI_Reason_TmpNam (0x0D) -#define AngelSWI_Reason_Remove (0x0E) -#define AngelSWI_Reason_Rename (0x0F) -#define AngelSWI_Reason_Clock (0x10) -#define AngelSWI_Reason_Time (0x11) -#define AngelSWI_Reason_System (0x12) -#define AngelSWI_Reason_Errno (0x13) -#define AngelSWI_Reason_GetCmdLine (0x15) -#define AngelSWI_Reason_HeapInfo (0x16) -#define AngelSWI_Reason_EnterSVC (0x17) -#define AngelSWI_Reason_ReportException (0x18) -#define ADP_Stopped_ApplicationExit ((2 << 16) + 38) -#define ADP_Stopped_RunTimeError ((2 << 16) + 34) - -#define FPESTART 0x2000L -#define FPEEND 0x8000L -#define FPEOLDVECT FPESTART + 0x100L + 8L * 16L + 4L /* stack + 8 regs + fpsr */ -#define FPENEWVECT(addr) 0xea000000L + ((addr) >> 2) - 3L /* branch from 4 to 0x2400 */ - -extern unsigned long fpecode[]; -extern unsigned long fpesize; - -extern int SWI_vector_installed; diff --git a/sim/arm/armrdi.c b/sim/arm/armrdi.c deleted file mode 100644 index 14904e3be53..00000000000 --- a/sim/arm/armrdi.c +++ /dev/null @@ -1,1247 +0,0 @@ -/* armrdi.c -- ARMulator RDI interface: ARM6 Instruction Emulator. - Copyright (C) 1994 Advanced RISC Machines Ltd. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#include <string.h> -#include <ctype.h> -#include "armdefs.h" -#include "armemu.h" -#include "armos.h" -#include "dbg_cp.h" -#include "dbg_conf.h" -#include "dbg_rdi.h" -#include "dbg_hif.h" -#include "communicate.h" - -/***************************************************************************\ -* Declarations * -\***************************************************************************/ - -#define Watch_AnyRead (RDIWatch_ByteRead+RDIWatch_HalfRead+RDIWatch_WordRead) -#define Watch_AnyWrite (RDIWatch_ByteWrite+RDIWatch_HalfWrite+RDIWatch_WordWrite) - -static unsigned FPRegsAddr; /* last known address of FPE regs */ -#define FPESTART 0x2000L -#define FPEEND 0x8000L - -#define IGNORE(d) (d = d) -#ifdef RDI_VERBOSE -#define TracePrint(s) \ - if (rdi_log & 1) ARMul_DebugPrint s -#else -#define TracePrint(s) -#endif - -static ARMul_State *state = NULL; -static unsigned BreaksSet; /* The number of breakpoints set */ - -static int rdi_log = 0; /* debugging ? */ - -#define LOWEST_RDI_LEVEL 0 -#define HIGHEST_RDI_LEVEL 1 -static int MYrdi_level = LOWEST_RDI_LEVEL; - -typedef struct BreakNode BreakNode; -typedef struct WatchNode WatchNode; - -struct BreakNode -{ /* A breakpoint list node */ - BreakNode *next; - ARMword address; /* The address of this breakpoint */ - unsigned type; /* The type of comparison */ - ARMword bound; /* The other address for a range */ - ARMword inst; -}; - -struct WatchNode -{ /* A watchpoint list node */ - WatchNode *next; - ARMword address; /* The address of this watchpoint */ - unsigned type; /* The type of comparison */ - unsigned datatype; /* The type of access to watch for */ - ARMword bound; /* The other address for a range */ -}; - -BreakNode *BreakList = NULL; -WatchNode *WatchList = NULL; - -void -ARMul_DebugPrint_i (const Dbg_HostosInterface * hostif, const char *format, - ...) -{ - va_list ap; - va_start (ap, format); - hostif->dbgprint (hostif->dbgarg, format, ap); - va_end (ap); -} - -void -ARMul_DebugPrint (ARMul_State * state, const char *format, ...) -{ - va_list ap; - va_start (ap, format); - if (!(rdi_log & 8)) - state->hostif->dbgprint (state->hostif->dbgarg, format, ap); - va_end (ap); -} - -#define CONSOLE_PRINT_MAX_LEN 128 - -void -ARMul_ConsolePrint (ARMul_State * state, const char *format, ...) -{ - va_list ap; - int ch; - char *str, buf[CONSOLE_PRINT_MAX_LEN]; - int i, j; - ARMword junk; - - va_start (ap, format); - vsprintf (buf, format, ap); - - for (i = 0; buf[i]; i++); /* The string is i chars long */ - - str = buf; - while (i >= 32) - { - MYwrite_char (kidmum[1], RDP_OSOp); - MYwrite_word (kidmum[1], SWI_Write0); - MYwrite_char (kidmum[1], OS_SendString); - MYwrite_char (kidmum[1], 32); /* Send string 32bytes at a time */ - for (j = 0; j < 32; j++, str++) - MYwrite_char (kidmum[1], *str); - wait_for_osreply (&junk); - i -= 32; - } - - if (i > 0) - { - MYwrite_char (kidmum[1], RDP_OSOp); - MYwrite_word (kidmum[1], SWI_Write0); - MYwrite_char (kidmum[1], OS_SendString); - MYwrite_char (kidmum[1], (unsigned char) i); /* Send remainder of string */ - for (j = 0; j < i; j++, str++) - MYwrite_char (kidmum[1], *str); - wait_for_osreply (&junk); - } - - va_end (ap); - return; - -/* str = buf; */ -/* while ((ch=*str++) != 0) */ -/* state->hostif->writec(state->hostif->hostosarg, ch); */ -} - -void -ARMul_DebugPause (ARMul_State * state) -{ - if (!(rdi_log & 8)) - state->hostif->dbgpause (state->hostif->dbgarg); -} - -/***************************************************************************\ -* RDI_open * -\***************************************************************************/ - -static void -InitFail (int exitcode, char const *which) -{ - ARMul_ConsolePrint (state, "%s interface failed to initialise. Exiting\n", - which); - exit (exitcode); -} - -static void -RDIInit (unsigned type) -{ - if (type == 0) - { /* cold start */ - state->CallDebug = state->MemReadDebug = state->MemWriteDebug = 0; - BreaksSet = 0; - } -} - -#define UNKNOWNPROC 0 - -typedef struct -{ - char name[16]; - unsigned properties; -} -Processor; - -Processor const p_arm2 = { "ARM2", ARM_Fix26_Prop }; -Processor const p_arm2as = { "ARM2AS", ARM_Fix26_Prop }; -Processor const p_arm61 = { "ARM61", ARM_Fix26_Prop }; -Processor const p_arm3 = { "ARM3", ARM_Fix26_Prop }; -Processor const p_arm6 = { "ARM6", ARM_Lock_Prop }; -Processor const p_arm60 = { "ARM60", ARM_Lock_Prop }; -Processor const p_arm600 = { "ARM600", ARM_Lock_Prop }; -Processor const p_arm610 = { "ARM610", ARM_Lock_Prop }; -Processor const p_arm620 = { "ARM620", ARM_Lock_Prop }; -Processor const p_unknown = { "", 0 }; - -Processor const *const processors[] = -{ - &p_arm6, /* default: must come first */ - &p_arm2, - &p_arm2as, - &p_arm61, - &p_arm3, - &p_arm60, - &p_arm600, - &p_arm610, - &p_arm620, - &p_unknown -}; - -typedef struct ProcessorConfig ProcessorConfig; -struct ProcessorConfig -{ - long id[2]; - ProcessorConfig const *self; - long count; - Processor const *const *processors; -}; - -ProcessorConfig const processorconfig = { - {((((((long) 'x' << 8) | ' ') << 8) | 'c') << 8) | 'p', - ((((((long) 'u' << 8) | 's') << 8) | ' ') << 8) | 'x'}, - &processorconfig, - 16, - processors -}; - -static int -RDI_open (unsigned type, const Dbg_ConfigBlock * config, - const Dbg_HostosInterface * hostif, struct Dbg_MCState *dbg_state) -/* Initialise everything */ -{ - int virgin = (state == NULL); - IGNORE (dbg_state); - -#ifdef RDI_VERBOSE - if (rdi_log & 1) - { - if (virgin) - ARMul_DebugPrint_i (hostif, "RDI_open: type = %d\n", type); - else - ARMul_DebugPrint (state, "RDI_open: type = %d\n", type); - } -#endif - - if (type & 1) - { /* Warm start */ - ARMul_Reset (state); - RDIInit (1); - } - else - { - if (virgin) - { - ARMul_EmulateInit (); - state = ARMul_NewState (); - state->hostif = hostif; - { - int req = config->processor; - unsigned processor = processors[req]->val; - ARMul_SelectProcessor (state, processor); - ARMul_Reset (state); - ARMul_ConsolePrint (state, "ARMulator V1.50, %s", - processors[req]->name); - } - if (ARMul_MemoryInit (state, config->memorysize) == FALSE) - InitFail (1, "Memory"); - if (config->bytesex != RDISex_DontCare) - state->bigendSig = config->bytesex; - if (ARMul_CoProInit (state) == FALSE) - InitFail (2, "Co-Processor"); - if (ARMul_OSInit (state) == FALSE) - InitFail (3, "Operating System"); - } - ARMul_Reset (state); - RDIInit (0); - } - if (type & 2) - { /* Reset the comms link */ - /* what comms link ? */ - } - if (virgin && (type & 1) == 0) /* Cold start */ - ARMul_ConsolePrint (state, ", %s endian.\n", - state->bigendSig ? "Big" : "Little"); - - if (config->bytesex == RDISex_DontCare) - return (state->bigendSig ? RDIError_BigEndian : RDIError_LittleEndian); - else - return (RDIError_NoError); -} - -/***************************************************************************\ -* RDI_close * -\***************************************************************************/ - -static int -RDI_close (void) -{ - TracePrint ((state, "RDI_close\n")); - ARMul_OSExit (state); - ARMul_CoProExit (state); - ARMul_MemoryExit (state); - return (RDIError_NoError); -} - -/***************************************************************************\ -* RDI_read * -\***************************************************************************/ - -static int -RDI_read (ARMword source, void *dest, unsigned *nbytes) -{ - unsigned i; - char *memptr = (char *) dest; - - TracePrint ((state, "RDI_read: source=%.8lx dest=%p nbytes=%.8x\n", - source, dest, *nbytes)); - - for (i = 0; i < *nbytes; i++) - *memptr++ = (char) ARMul_ReadByte (state, source++); - if (state->abortSig) - { - state->abortSig = LOW; - return (RDIError_DataAbort); - } - return (RDIError_NoError); -} - -/***************************************************************************\ -* RDI_write * -\***************************************************************************/ - -static int -RDI_write (const void *source, ARMword dest, unsigned *nbytes) -{ - unsigned i; - char *memptr = (char *) source; - - TracePrint ((state, "RDI_write: source=%p dest=%.8lx nbytes=%.8x\n", - source, dest, *nbytes)); - - for (i = 0; i < *nbytes; i++) - ARMul_WriteByte (state, (ARMword) dest++, (ARMword) * memptr++); - - if (state->abortSig) - { - state->abortSig = LOW; - return (RDIError_DataAbort); - } - return (RDIError_NoError); -} - -/***************************************************************************\ -* RDI_CPUread * -\***************************************************************************/ - -static int -RDI_CPUread (unsigned mode, unsigned long mask, ARMword buffer[]) -{ - unsigned i, upto; - - if (mode == RDIMode_Curr) - mode = (unsigned) (ARMul_GetCPSR (state) & MODEBITS); - - for (upto = 0, i = 0; i < 15; i++) - if (mask & (1L << i)) - { - buffer[upto++] = ARMul_GetReg (state, mode, i); - } - - if (mask & RDIReg_R15) - { - buffer[upto++] = ARMul_GetR15 (state); - } - - if (mask & RDIReg_PC) - { - buffer[upto++] = ARMul_GetPC (state); - } - - if (mask & RDIReg_CPSR) - buffer[upto++] = ARMul_GetCPSR (state); - - if (mask & RDIReg_SPSR) - buffer[upto++] = ARMul_GetSPSR (state, mode); - - TracePrint ((state, "RDI_CPUread: mode=%.8x mask=%.8lx", mode, mask)); -#ifdef RDI_VERBOSE - if (rdi_log & 1) - { - for (upto = 0, i = 0; i <= 20; i++) - if (mask & (1L << i)) - { - ARMul_DebugPrint (state, "%c%.8lx", upto % 4 == 0 ? '\n' : ' ', - buffer[upto]); - upto++; - } - ARMul_DebugPrint (state, "\n"); - } -#endif - - return (RDIError_NoError); -} - -/***************************************************************************\ -* RDI_CPUwrite * -\***************************************************************************/ - -static int -RDI_CPUwrite (unsigned mode, unsigned long mask, ARMword const buffer[]) -{ - int i, upto; - - - TracePrint ((state, "RDI_CPUwrite: mode=%.8x mask=%.8lx", mode, mask)); -#ifdef RDI_VERBOSE - if (rdi_log & 1) - { - for (upto = 0, i = 0; i <= 20; i++) - if (mask & (1L << i)) - { - ARMul_DebugPrint (state, "%c%.8lx", upto % 4 == 0 ? '\n' : ' ', - buffer[upto]); - upto++; - } - ARMul_DebugPrint (state, "\n"); - } -#endif - - if (mode == RDIMode_Curr) - mode = (unsigned) (ARMul_GetCPSR (state) & MODEBITS); - - for (upto = 0, i = 0; i < 15; i++) - if (mask & (1L << i)) - ARMul_SetReg (state, mode, i, buffer[upto++]); - - if (mask & RDIReg_R15) - ARMul_SetR15 (state, buffer[upto++]); - - if (mask & RDIReg_PC) - { - - ARMul_SetPC (state, buffer[upto++]); - } - if (mask & RDIReg_CPSR) - ARMul_SetCPSR (state, buffer[upto++]); - - if (mask & RDIReg_SPSR) - ARMul_SetSPSR (state, mode, buffer[upto++]); - - return (RDIError_NoError); -} - -/***************************************************************************\ -* RDI_CPread * -\***************************************************************************/ - -static int -RDI_CPread (unsigned CPnum, unsigned long mask, ARMword buffer[]) -{ - ARMword fpregsaddr, word[4]; - - unsigned r, w; - unsigned upto; - - if (CPnum != 1 && CPnum != 2) - { - unsigned char const *rmap = state->CPRegWords[CPnum]; - if (rmap == NULL) - return (RDIError_UnknownCoPro); - for (upto = 0, r = 0; r < rmap[-1]; r++) - if (mask & (1L << r)) - { - (void) state->CPRead[CPnum] (state, r, &buffer[upto]); - upto += rmap[r]; - } - TracePrint ((state, "RDI_CPread: CPnum=%d mask=%.8lx", CPnum, mask)); -#ifdef RDI_VERBOSE - if (rdi_log & 1) - { - w = 0; - for (upto = 0, r = 0; r < rmap[-1]; r++) - if (mask & (1L << r)) - { - int words = rmap[r]; - ARMul_DebugPrint (state, "%c%2d", - (w >= 4 ? (w = 0, '\n') : ' '), r); - while (--words >= 0) - { - ARMul_DebugPrint (state, " %.8lx", buffer[upto++]); - w++; - } - } - ARMul_DebugPrint (state, "\n"); - } -#endif - return RDIError_NoError; - } - -#ifdef NOFPE - return RDIError_UnknownCoPro; - -#else - if (FPRegsAddr == 0) - { - fpregsaddr = ARMul_ReadWord (state, 4L); - if ((fpregsaddr & 0xff800000) != 0xea000000) /* Must be a forward branch */ - return RDIError_UnknownCoPro; - fpregsaddr = ((fpregsaddr & 0xffffff) << 2) + 8; /* address in __fp_decode - 4 */ - if ((fpregsaddr < FPESTART) || (fpregsaddr >= FPEEND)) - return RDIError_UnknownCoPro; - fpregsaddr = ARMul_ReadWord (state, fpregsaddr); /* pointer to fp registers */ - FPRegsAddr = fpregsaddr; - } - else - fpregsaddr = FPRegsAddr; - - if (fpregsaddr == 0) - return RDIError_UnknownCoPro; - for (upto = 0, r = 0; r < 8; r++) - if (mask & (1L << r)) - { - for (w = 0; w < 4; w++) - word[w] = - ARMul_ReadWord (state, - fpregsaddr + (ARMword) r * 16 + (ARMword) w * 4); - switch ((int) (word[3] >> 29)) - { - case 0: - case 2: - case 4: - case 6: /* its unpacked, convert to extended */ - buffer[upto++] = 2; /* mark as extended */ - buffer[upto++] = (word[3] & 0x7fff) | (word[0] & 0x80000000); /* exp and sign */ - buffer[upto++] = word[1]; /* mantissa 1 */ - buffer[upto++] = word[2]; /* mantissa 2 */ - break; - case 1: /* packed single */ - buffer[upto++] = 0; /* mark as single */ - buffer[upto++] = word[0]; /* sign, exp and mantissa */ - buffer[upto++] = word[1]; /* padding */ - buffer[upto++] = word[2]; /* padding */ - break; - case 3: /* packed double */ - buffer[upto++] = 1; /* mark as double */ - buffer[upto++] = word[0]; /* sign, exp and mantissa1 */ - buffer[upto++] = word[1]; /* mantissa 2 */ - buffer[upto++] = word[2]; /* padding */ - break; - case 5: /* packed extended */ - buffer[upto++] = 2; /* mark as extended */ - buffer[upto++] = word[0]; /* sign and exp */ - buffer[upto++] = word[1]; /* mantissa 1 */ - buffer[upto++] = word[2]; /* mantissa 2 */ - break; - case 7: /* packed decimal */ - buffer[upto++] = 3; /* mark as packed decimal */ - buffer[upto++] = word[0]; /* sign, exp and mantissa1 */ - buffer[upto++] = word[1]; /* mantissa 2 */ - buffer[upto++] = word[2]; /* mantissa 3 */ - break; - } - } - if (mask & (1L << r)) - buffer[upto++] = ARMul_ReadWord (state, fpregsaddr + 128); /* fpsr */ - if (mask & (1L << (r + 1))) - buffer[upto++] = 0; /* fpcr */ - - TracePrint ((state, "RDI_CPread: CPnum=%d mask=%.8lx\n", CPnum, mask)); -#ifdef RDI_VERBOSE - if (rdi_log & 1) - { - for (upto = 0, r = 0; r < 9; r++) - if (mask & (1L << r)) - { - if (r != 8) - { - ARMul_DebugPrint (state, "%08lx ", buffer[upto++]); - ARMul_DebugPrint (state, "%08lx ", buffer[upto++]); - ARMul_DebugPrint (state, "%08lx ", buffer[upto++]); - } - ARMul_DebugPrint (state, "%08lx\n", buffer[upto++]); - } - ARMul_DebugPrint (state, "\n"); - } -#endif - return (RDIError_NoError); -#endif /* NOFPE */ -} - -/***************************************************************************\ -* RDI_CPwrite * -\***************************************************************************/ - -static int -RDI_CPwrite (unsigned CPnum, unsigned long mask, ARMword const buffer[]) -{ - unsigned r; - unsigned upto; - ARMword fpregsaddr; - - if (CPnum != 1 && CPnum != 2) - { - unsigned char const *rmap = state->CPRegWords[CPnum]; - if (rmap == NULL) - return (RDIError_UnknownCoPro); - TracePrint ((state, "RDI_CPwrite: CPnum=%d mask=%.8lx", CPnum, mask)); -#ifdef RDI_VERBOSE - if (rdi_log & 1) - { - int w = 0; - for (upto = 0, r = 0; r < rmap[-1]; r++) - if (mask & (1L << r)) - { - int words = rmap[r]; - ARMul_DebugPrint (state, "%c%2d", - (w >= 4 ? (w = 0, '\n') : ' '), r); - while (--words >= 0) - { - ARMul_DebugPrint (state, " %.8lx", buffer[upto++]); - w++; - } - } - ARMul_DebugPrint (state, "\n"); - } -#endif - for (upto = 0, r = 0; r < rmap[-1]; r++) - if (mask & (1L << r)) - { - (void) state->CPWrite[CPnum] (state, r, &buffer[upto]); - upto += rmap[r]; - } - return RDIError_NoError; - } - -#ifdef NOFPE - return RDIError_UnknownCoPro; - -#else - TracePrint ((state, "RDI_CPwrite: CPnum=%d mask=%.8lx", CPnum, mask)); -#ifdef RDI_VERBOSE - if (rdi_log & 1) - { - for (upto = 0, r = 0; r < 9; r++) - if (mask & (1L << r)) - { - if (r != 8) - { - ARMul_DebugPrint (state, "%08lx ", buffer[upto++]); - ARMul_DebugPrint (state, "%08lx ", buffer[upto++]); - ARMul_DebugPrint (state, "%08lx ", buffer[upto++]); - } - ARMul_DebugPrint (state, "%08lx\n", buffer[upto++]); - } - ARMul_DebugPrint (state, "\n"); - } -#endif - - if (FPRegsAddr == 0) - { - fpregsaddr = ARMul_ReadWord (state, 4L); - if ((fpregsaddr & 0xff800000) != 0xea000000) /* Must be a forward branch */ - return RDIError_UnknownCoPro; - fpregsaddr = ((fpregsaddr & 0xffffff) << 2) + 8; /* address in __fp_decode - 4 */ - if ((fpregsaddr < FPESTART) || (fpregsaddr >= FPEEND)) - return RDIError_UnknownCoPro; - fpregsaddr = ARMul_ReadWord (state, fpregsaddr); /* pointer to fp registers */ - FPRegsAddr = fpregsaddr; - } - else - fpregsaddr = FPRegsAddr; - - if (fpregsaddr == 0) - return RDIError_UnknownCoPro; - for (upto = 0, r = 0; r < 8; r++) - if (mask & (1L << r)) - { - ARMul_WriteWord (state, fpregsaddr + (ARMword) r * 16, - buffer[upto + 1]); - ARMul_WriteWord (state, fpregsaddr + (ARMword) r * 16 + 4, - buffer[upto + 2]); - ARMul_WriteWord (state, fpregsaddr + (ARMword) r * 16 + 8, - buffer[upto + 3]); - ARMul_WriteWord (state, fpregsaddr + (ARMword) r * 16 + 12, - (buffer[upto] * 2 + 1) << 29); /* mark type */ - upto += 4; - } - if (mask & (1L << r)) - ARMul_WriteWord (state, fpregsaddr + 128, buffer[upto++]); /* fpsr */ - return (RDIError_NoError); -#endif /* NOFPE */ -} - -static void -deletebreaknode (BreakNode ** prevp) -{ - BreakNode *p = *prevp; - *prevp = p->next; - ARMul_WriteWord (state, p->address, p->inst); - free ((char *) p); - BreaksSet--; - state->CallDebug--; -} - -static int -removebreak (ARMword address, unsigned type) -{ - BreakNode *p, **prevp = &BreakList; - for (; (p = *prevp) != NULL; prevp = &p->next) - if (p->address == address && p->type == type) - { - deletebreaknode (prevp); - return TRUE; - } - return FALSE; -} - -/* This routine installs a breakpoint into the breakpoint table */ - -static BreakNode * -installbreak (ARMword address, unsigned type, ARMword bound) -{ - BreakNode *p = (BreakNode *) malloc (sizeof (BreakNode)); - p->next = BreakList; - BreakList = p; - p->address = address; - p->type = type; - p->bound = bound; - p->inst = ARMul_ReadWord (state, address); - ARMul_WriteWord (state, address, 0xee000000L); - return p; -} - -/***************************************************************************\ -* RDI_setbreak * -\***************************************************************************/ - -static int -RDI_setbreak (ARMword address, unsigned type, ARMword bound, - PointHandle * handle) -{ - BreakNode *p; - TracePrint ((state, "RDI_setbreak: address=%.8lx type=%d bound=%.8lx\n", - address, type, bound)); - - removebreak (address, type); - p = installbreak (address, type, bound); - BreaksSet++; - state->CallDebug++; - *handle = (PointHandle) p; - TracePrint ((state, " returns %.8lx\n", *handle)); - return RDIError_NoError; -} - -/***************************************************************************\ -* RDI_clearbreak * -\***************************************************************************/ - -static int -RDI_clearbreak (PointHandle handle) -{ - TracePrint ((state, "RDI_clearbreak: address=%.8lx\n", handle)); - { - BreakNode *p, **prevp = &BreakList; - for (; (p = *prevp) != NULL; prevp = &p->next) - if (p == (BreakNode *) handle) - break; - if (p == NULL) - return RDIError_NoSuchPoint; - deletebreaknode (prevp); - return RDIError_NoError; - } -} - -/***************************************************************************\ -* Internal functions for breakpoint table manipulation * -\***************************************************************************/ - -static void -deletewatchnode (WatchNode ** prevp) -{ - WatchNode *p = *prevp; - if (p->datatype & Watch_AnyRead) - state->MemReadDebug--; - if (p->datatype & Watch_AnyWrite) - state->MemWriteDebug--; - *prevp = p->next; - free ((char *) p); -} - -int -removewatch (ARMword address, unsigned type) -{ - WatchNode *p, **prevp = &WatchList; - for (; (p = *prevp) != NULL; prevp = &p->next) - if (p->address == address && p->type == type) - { /* found a match */ - deletewatchnode (prevp); - return TRUE; - } - return FALSE; /* never found a match */ -} - -static WatchNode * -installwatch (ARMword address, unsigned type, unsigned datatype, - ARMword bound) -{ - WatchNode *p = (WatchNode *) malloc (sizeof (WatchNode)); - p->next = WatchList; - WatchList = p; - p->address = address; - p->type = type; - p->datatype = datatype; - p->bound = bound; - return p; -} - -/***************************************************************************\ -* RDI_setwatch * -\***************************************************************************/ - -static int -RDI_setwatch (ARMword address, unsigned type, unsigned datatype, - ARMword bound, PointHandle * handle) -{ - WatchNode *p; - TracePrint ( - (state, - "RDI_setwatch: address=%.8lx type=%d datatype=%d bound=%.8lx", - address, type, datatype, bound)); - - if (!state->CanWatch) - return RDIError_UnimplementedMessage; - - removewatch (address, type); - p = installwatch (address, type, datatype, bound); - if (datatype & Watch_AnyRead) - state->MemReadDebug++; - if (datatype & Watch_AnyWrite) - state->MemWriteDebug++; - *handle = (PointHandle) p; - TracePrint ((state, " returns %.8lx\n", *handle)); - return RDIError_NoError; -} - -/***************************************************************************\ -* RDI_clearwatch * -\***************************************************************************/ - -static int -RDI_clearwatch (PointHandle handle) -{ - TracePrint ((state, "RDI_clearwatch: address=%.8lx\n", handle)); - { - WatchNode *p, **prevp = &WatchList; - for (; (p = *prevp) != NULL; prevp = &p->next) - if (p == (WatchNode *) handle) - break; - if (p == NULL) - return RDIError_NoSuchPoint; - deletewatchnode (prevp); - return RDIError_NoError; - } -} - -/***************************************************************************\ -* RDI_execute * -\***************************************************************************/ - -static int -RDI_execute (PointHandle * handle) -{ - TracePrint ((state, "RDI_execute\n")); - if (rdi_log & 4) - { - state->CallDebug++; - state->Debug = TRUE; - } - state->EndCondition = RDIError_NoError; - state->StopHandle = 0; - - ARMul_DoProg (state); - - *handle = state->StopHandle; - state->Reg[15] -= 8; /* undo the pipeline */ - if (rdi_log & 4) - { - state->CallDebug--; - state->Debug = FALSE; - } - return (state->EndCondition); -} - -/***************************************************************************\ -* RDI_step * -\***************************************************************************/ - -static int -RDI_step (unsigned ninstr, PointHandle * handle) -{ - - TracePrint ((state, "RDI_step\n")); - if (ninstr != 1) - return RDIError_UnimplementedMessage; - if (rdi_log & 4) - { - state->CallDebug++; - state->Debug = TRUE; - } - state->EndCondition = RDIError_NoError; - state->StopHandle = 0; - ARMul_DoInstr (state); - *handle = state->StopHandle; - state->Reg[15] -= 8; /* undo the pipeline */ - if (rdi_log & 4) - { - state->CallDebug--; - state->Debug = FALSE; - } - return (state->EndCondition); -} - -/***************************************************************************\ -* RDI_info * -\***************************************************************************/ - -static int -RDI_info (unsigned type, ARMword * arg1, ARMword * arg2) -{ - switch (type) - { - case RDIInfo_Target: - TracePrint ((state, "RDI_Info_Target\n")); - /* Emulator, speed 10**5 IPS */ - *arg1 = 5 | HIGHEST_RDI_LEVEL << 5 | LOWEST_RDI_LEVEL << 8; - *arg2 = 1298224434; - return RDIError_NoError; - - case RDIInfo_Points: - { - ARMword n = RDIPointCapability_Comparison | RDIPointCapability_Range | - RDIPointCapability_Mask | RDIPointCapability_Status; - TracePrint ((state, "RDI_Info_Points\n")); - if (state->CanWatch) - n |= (Watch_AnyRead + Watch_AnyWrite) << 2; - *arg1 = n; - return RDIError_NoError; - } - - case RDIInfo_Step: - TracePrint ((state, "RDI_Info_Step\n")); - *arg1 = RDIStep_Single; - return RDIError_NoError; - - case RDIInfo_MMU: - TracePrint ((state, "RDI_Info_MMU\n")); - *arg1 = 1313820229; - return RDIError_NoError; - - case RDISignal_Stop: - TracePrint ((state, "RDISignal_Stop\n")); - state->CallDebug++; - state->EndCondition = RDIError_UserInterrupt; - return RDIError_NoError; - - case RDIVector_Catch: - TracePrint ((state, "RDIVector_Catch %.8lx\n", *arg1)); - state->VectorCatch = (unsigned) *arg1; - return RDIError_NoError; - - case RDISet_Cmdline: - TracePrint ((state, "RDI_Set_Cmdline %s\n", (char *) arg1)); - state->CommandLine = - (char *) malloc ((unsigned) strlen ((char *) arg1) + 1); - (void) strcpy (state->CommandLine, (char *) arg1); - return RDIError_NoError; - - case RDICycles: - TracePrint ((state, "RDI_Info_Cycles\n")); - arg1[0] = 0; - arg1[1] = state->NumInstrs; - arg1[2] = 0; - arg1[3] = state->NumScycles; - arg1[4] = 0; - arg1[5] = state->NumNcycles; - arg1[6] = 0; - arg1[7] = state->NumIcycles; - arg1[8] = 0; - arg1[9] = state->NumCcycles; - arg1[10] = 0; - arg1[11] = state->NumFcycles; - return RDIError_NoError; - - case RDIErrorP: - *arg1 = ARMul_OSLastErrorP (state); - TracePrint ((state, "RDI_ErrorP returns %ld\n", *arg1)); - return RDIError_NoError; - - case RDIInfo_DescribeCoPro: - { - int cpnum = *(int *) arg1; - struct Dbg_CoProDesc *cpd = (struct Dbg_CoProDesc *) arg2; - int i; - unsigned char const *map = state->CPRegWords[cpnum]; - if (map == NULL) - return RDIError_UnknownCoPro; - for (i = 0; i < cpd->entries; i++) - { - unsigned r, w = cpd->regdesc[i].nbytes / sizeof (ARMword); - for (r = cpd->regdesc[i].rmin; r <= cpd->regdesc[i].rmax; r++) - if (map[r] != w) - return RDIError_BadCoProState; - } - return RDIError_NoError; - } - - case RDIInfo_RequestCoProDesc: - { - int cpnum = *(int *) arg1; - struct Dbg_CoProDesc *cpd = (struct Dbg_CoProDesc *) arg2; - int i = -1, lastw = -1, r; - unsigned char const *map; - if ((unsigned) cpnum >= 16) - return RDIError_UnknownCoPro; - map = state->CPRegWords[cpnum]; - if (map == NULL) - return RDIError_UnknownCoPro; - for (r = 0; r < map[-1]; r++) - { - int words = map[r]; - if (words == lastw) - cpd->regdesc[i].rmax = r; - else - { - if (++i >= cpd->entries) - return RDIError_BufferFull; - cpd->regdesc[i].rmax = cpd->regdesc[i].rmin = r; - cpd->regdesc[i].nbytes = words * sizeof (ARMword); - cpd->regdesc[i].access = - Dbg_Access_Readable + Dbg_Access_Writable; - } - } - cpd->entries = i + 1; - return RDIError_NoError; - } - - case RDIInfo_Log: - *arg1 = (ARMword) rdi_log; - return RDIError_NoError; - - case RDIInfo_SetLog: - rdi_log = (int) *arg1; - return RDIError_NoError; - - case RDIInfo_CoPro: - return RDIError_NoError; - - case RDIPointStatus_Watch: - { - WatchNode *p, *handle = (WatchNode *) * arg1; - for (p = WatchList; p != NULL; p = p->next) - if (p == handle) - { - *arg1 = -1; - *arg2 = 1; - return RDIError_NoError; - } - return RDIError_NoSuchPoint; - } - - case RDIPointStatus_Break: - { - BreakNode *p, *handle = (BreakNode *) * arg1; - for (p = BreakList; p != NULL; p = p->next) - if (p == handle) - { - *arg1 = -1; - *arg2 = 1; - return RDIError_NoError; - } - return RDIError_NoSuchPoint; - } - - case RDISet_RDILevel: - if (*arg1 < LOWEST_RDI_LEVEL || *arg1 > HIGHEST_RDI_LEVEL) - return RDIError_IncompatibleRDILevels; - MYrdi_level = *arg1; - return RDIError_NoError; - - default: - return RDIError_UnimplementedMessage; - - } -} - -/***************************************************************************\ -* The emulator calls this routine at the beginning of every cycle when the * -* CallDebug flag is set. The second parameter passed is the address of the * -* currently executing instruction (i.e Program Counter - 8), the third * -* parameter is the instruction being executed. * -\***************************************************************************/ - -ARMword -ARMul_Debug (ARMul_State * state, ARMword pc, ARMword instr) -{ - - if (state->EndCondition == RDIError_UserInterrupt) - { - TracePrint ((state, "User interrupt at %.8lx\n", pc)); - state->CallDebug--; - state->Emulate = STOP; - } - else - { - BreakNode *p = BreakList; - for (; p != NULL; p = p->next) - { - switch (p->type) - { - case RDIPoint_EQ: - if (pc == p->address) - break; - continue; - case RDIPoint_GT: - if (pc > p->address) - break; - continue; - case RDIPoint_GE: - if (pc >= p->address) - break; - continue; - case RDIPoint_LT: - if (pc < p->address) - break; - continue; - case RDIPoint_LE: - if (pc <= p->address) - break; - continue; - case RDIPoint_IN: - if (p->address <= pc && pc < p->address + p->bound) - break; - continue; - case RDIPoint_OUT: - if (p->address > pc || pc >= p->address + p->bound) - break; - continue; - case RDIPoint_MASK: - if ((pc & p->bound) == p->address) - break; - continue; - } - /* found a match */ - TracePrint ((state, "Breakpoint reached at %.8lx\n", pc)); - state->EndCondition = RDIError_BreakpointReached; - state->Emulate = STOP; - state->StopHandle = (ARMword) p; - break; - } - } - return instr; -} - -void -ARMul_CheckWatch (ARMul_State * state, ARMword addr, int access) -{ - WatchNode *p; - for (p = WatchList; p != NULL; p = p->next) - if (p->datatype & access) - { - switch (p->type) - { - case RDIPoint_EQ: - if (addr == p->address) - break; - continue; - case RDIPoint_GT: - if (addr > p->address) - break; - continue; - case RDIPoint_GE: - if (addr >= p->address) - break; - continue; - case RDIPoint_LT: - if (addr < p->address) - break; - continue; - case RDIPoint_LE: - if (addr <= p->address) - break; - continue; - case RDIPoint_IN: - if (p->address <= addr && addr < p->address + p->bound) - break; - continue; - case RDIPoint_OUT: - if (p->address > addr || addr >= p->address + p->bound) - break; - continue; - case RDIPoint_MASK: - if ((addr & p->bound) == p->address) - break; - continue; - } - /* found a match */ - TracePrint ((state, "Watchpoint at %.8lx accessed\n", addr)); - state->EndCondition = RDIError_WatchpointAccessed; - state->Emulate = STOP; - state->StopHandle = (ARMword) p; - return; - } -} - -static RDI_NameList const * -RDI_cpunames () -{ - return (RDI_NameList const *) &processorconfig.count; -} - -const struct RDIProcVec armul_rdi = { - "ARMUL", - RDI_open, - RDI_close, - RDI_read, - RDI_write, - RDI_CPUread, - RDI_CPUwrite, - RDI_CPread, - RDI_CPwrite, - RDI_setbreak, - RDI_clearbreak, - RDI_setwatch, - RDI_clearwatch, - RDI_execute, - RDI_step, - RDI_info, - - 0, /*pointinq */ - 0, /*addconfig */ - 0, /*loadconfigdata */ - 0, /*selectconfig */ - 0, /*drivernames */ - - RDI_cpunames -}; diff --git a/sim/arm/armsupp.c b/sim/arm/armsupp.c deleted file mode 100644 index 99b6099b3c3..00000000000 --- a/sim/arm/armsupp.c +++ /dev/null @@ -1,887 +0,0 @@ -/* armsupp.c -- ARMulator support code: ARM6 Instruction Emulator. - Copyright (C) 1994 Advanced RISC Machines Ltd. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#include "armdefs.h" -#include "armemu.h" -#include "ansidecl.h" - -/***************************************************************************\ -* Definitions for the support routines * -\***************************************************************************/ - -ARMword ARMul_GetReg (ARMul_State * state, unsigned mode, unsigned reg); -void ARMul_SetReg (ARMul_State * state, unsigned mode, unsigned reg, - ARMword value); -ARMword ARMul_GetPC (ARMul_State * state); -ARMword ARMul_GetNextPC (ARMul_State * state); -void ARMul_SetPC (ARMul_State * state, ARMword value); -ARMword ARMul_GetR15 (ARMul_State * state); -void ARMul_SetR15 (ARMul_State * state, ARMword value); - -ARMword ARMul_GetCPSR (ARMul_State * state); -void ARMul_SetCPSR (ARMul_State * state, ARMword value); -ARMword ARMul_GetSPSR (ARMul_State * state, ARMword mode); -void ARMul_SetSPSR (ARMul_State * state, ARMword mode, ARMword value); - -void ARMul_CPSRAltered (ARMul_State * state); -void ARMul_R15Altered (ARMul_State * state); - -ARMword ARMul_SwitchMode (ARMul_State * state, ARMword oldmode, - ARMword newmode); -static ARMword ModeToBank (ARMword mode); - -unsigned ARMul_NthReg (ARMword instr, unsigned number); - -void ARMul_NegZero (ARMul_State * state, ARMword result); -void ARMul_AddCarry (ARMul_State * state, ARMword a, ARMword b, - ARMword result); -void ARMul_AddOverflow (ARMul_State * state, ARMword a, ARMword b, - ARMword result); -void ARMul_SubCarry (ARMul_State * state, ARMword a, ARMword b, - ARMword result); -void ARMul_SubOverflow (ARMul_State * state, ARMword a, ARMword b, - ARMword result); - -void ARMul_LDC (ARMul_State * state, ARMword instr, ARMword address); -void ARMul_STC (ARMul_State * state, ARMword instr, ARMword address); -void ARMul_MCR (ARMul_State * state, ARMword instr, ARMword source); -ARMword ARMul_MRC (ARMul_State * state, ARMword instr); -void ARMul_CDP (ARMul_State * state, ARMword instr); -unsigned IntPending (ARMul_State * state); - -ARMword ARMul_Align (ARMul_State * state, ARMword address, ARMword data); - -void ARMul_ScheduleEvent (ARMul_State * state, unsigned long delay, - unsigned (*what) ()); -void ARMul_EnvokeEvent (ARMul_State * state); -unsigned long ARMul_Time (ARMul_State * state); -static void EnvokeList (ARMul_State * state, unsigned long from, - unsigned long to); - -struct EventNode -{ /* An event list node */ - unsigned (*func) (); /* The function to call */ - struct EventNode *next; -}; - -/***************************************************************************\ -* This routine returns the value of a register from a mode. * -\***************************************************************************/ - -ARMword -ARMul_GetReg (ARMul_State * state, unsigned mode, unsigned reg) -{ - mode &= MODEBITS; - if (mode != state->Mode) - return (state->RegBank[ModeToBank ((ARMword) mode)][reg]); - else - return (state->Reg[reg]); -} - -/***************************************************************************\ -* This routine sets the value of a register for a mode. * -\***************************************************************************/ - -void -ARMul_SetReg (ARMul_State * state, unsigned mode, unsigned reg, ARMword value) -{ - mode &= MODEBITS; - if (mode != state->Mode) - state->RegBank[ModeToBank ((ARMword) mode)][reg] = value; - else - state->Reg[reg] = value; -} - -/***************************************************************************\ -* This routine returns the value of the PC, mode independently. * -\***************************************************************************/ - -ARMword -ARMul_GetPC (ARMul_State * state) -{ - if (state->Mode > SVC26MODE) - return (state->Reg[15]); - else - return (R15PC); -} - -/***************************************************************************\ -* This routine returns the value of the PC, mode independently. * -\***************************************************************************/ - -ARMword -ARMul_GetNextPC (ARMul_State * state) -{ - if (state->Mode > SVC26MODE) - return (state->Reg[15] + isize); - else - return ((state->Reg[15] + isize) & R15PCBITS); -} - -/***************************************************************************\ -* This routine sets the value of the PC. * -\***************************************************************************/ - -void -ARMul_SetPC (ARMul_State * state, ARMword value) -{ - if (ARMul_MODE32BIT) - state->Reg[15] = value & PCBITS; - else - state->Reg[15] = R15CCINTMODE | (value & R15PCBITS); - FLUSHPIPE; -} - -/***************************************************************************\ -* This routine returns the value of register 15, mode independently. * -\***************************************************************************/ - -ARMword -ARMul_GetR15 (ARMul_State * state) -{ - if (state->Mode > SVC26MODE) - return (state->Reg[15]); - else - return (R15PC | ECC | ER15INT | EMODE); -} - -/***************************************************************************\ -* This routine sets the value of Register 15. * -\***************************************************************************/ - -void -ARMul_SetR15 (ARMul_State * state, ARMword value) -{ - if (ARMul_MODE32BIT) - state->Reg[15] = value & PCBITS; - else - { - state->Reg[15] = value; - ARMul_R15Altered (state); - } - FLUSHPIPE; -} - -/***************************************************************************\ -* This routine returns the value of the CPSR * -\***************************************************************************/ - -ARMword -ARMul_GetCPSR (ARMul_State * state) -{ - return (CPSR | state->Cpsr); -} - -/***************************************************************************\ -* This routine sets the value of the CPSR * -\***************************************************************************/ - -void -ARMul_SetCPSR (ARMul_State * state, ARMword value) -{ - state->Cpsr = value; - ARMul_CPSRAltered (state); -} - -/***************************************************************************\ -* This routine does all the nasty bits involved in a write to the CPSR, * -* including updating the register bank, given a MSR instruction. * -\***************************************************************************/ - -void -ARMul_FixCPSR (ARMul_State * state, ARMword instr, ARMword rhs) -{ - state->Cpsr = ARMul_GetCPSR (state); - if (state->Mode != USER26MODE - && state->Mode != USER32MODE) - { /* In user mode, only write flags */ - if (BIT (16)) - SETPSR_C (state->Cpsr, rhs); - if (BIT (17)) - SETPSR_X (state->Cpsr, rhs); - if (BIT (18)) - SETPSR_S (state->Cpsr, rhs); - } - if (BIT (19)) - SETPSR_F (state->Cpsr, rhs); - ARMul_CPSRAltered (state); -} - -/***************************************************************************\ -* Get an SPSR from the specified mode * -\***************************************************************************/ - -ARMword -ARMul_GetSPSR (ARMul_State * state, ARMword mode) -{ - ARMword bank = ModeToBank (mode & MODEBITS); - - if (! BANK_CAN_ACCESS_SPSR (bank)) - return ARMul_GetCPSR (state); - - return state->Spsr[bank]; -} - -/***************************************************************************\ -* This routine does a write to an SPSR * -\***************************************************************************/ - -void -ARMul_SetSPSR (ARMul_State * state, ARMword mode, ARMword value) -{ - ARMword bank = ModeToBank (mode & MODEBITS); - - if (BANK_CAN_ACCESS_SPSR (bank)) - state->Spsr[bank] = value; -} - -/***************************************************************************\ -* This routine does a write to the current SPSR, given an MSR instruction * -\***************************************************************************/ - -void -ARMul_FixSPSR (ARMul_State * state, ARMword instr, ARMword rhs) -{ - if (BANK_CAN_ACCESS_SPSR (state->Bank)) - { - if (BIT (16)) - SETPSR_C (state->Spsr[state->Bank], rhs); - if (BIT (17)) - SETPSR_X (state->Spsr[state->Bank], rhs); - if (BIT (18)) - SETPSR_S (state->Spsr[state->Bank], rhs); - if (BIT (19)) - SETPSR_F (state->Spsr[state->Bank], rhs); - } -} - -/***************************************************************************\ -* This routine updates the state of the emulator after the Cpsr has been * -* changed. Both the processor flags and register bank are updated. * -\***************************************************************************/ - -void -ARMul_CPSRAltered (ARMul_State * state) -{ - ARMword oldmode; - - if (state->prog32Sig == LOW) - state->Cpsr &= (CCBITS | INTBITS | R15MODEBITS); - - oldmode = state->Mode; - - if (state->Mode != (state->Cpsr & MODEBITS)) - { - state->Mode = - ARMul_SwitchMode (state, state->Mode, state->Cpsr & MODEBITS); - - state->NtransSig = (state->Mode & 3) ? HIGH : LOW; - } - state->Cpsr &= ~MODEBITS; - - ASSIGNINT (state->Cpsr & INTBITS); - state->Cpsr &= ~INTBITS; - ASSIGNN ((state->Cpsr & NBIT) != 0); - state->Cpsr &= ~NBIT; - ASSIGNZ ((state->Cpsr & ZBIT) != 0); - state->Cpsr &= ~ZBIT; - ASSIGNC ((state->Cpsr & CBIT) != 0); - state->Cpsr &= ~CBIT; - ASSIGNV ((state->Cpsr & VBIT) != 0); - state->Cpsr &= ~VBIT; - ASSIGNS ((state->Cpsr & SBIT) != 0); - state->Cpsr &= ~SBIT; -#ifdef MODET - ASSIGNT ((state->Cpsr & TBIT) != 0); - state->Cpsr &= ~TBIT; -#endif - - if (oldmode > SVC26MODE) - { - if (state->Mode <= SVC26MODE) - { - state->Emulate = CHANGEMODE; - state->Reg[15] = ECC | ER15INT | EMODE | R15PC; - } - } - else - { - if (state->Mode > SVC26MODE) - { - state->Emulate = CHANGEMODE; - state->Reg[15] = R15PC; - } - else - state->Reg[15] = ECC | ER15INT | EMODE | R15PC; - } -} - -/***************************************************************************\ -* This routine updates the state of the emulator after register 15 has * -* been changed. Both the processor flags and register bank are updated. * -* This routine should only be called from a 26 bit mode. * -\***************************************************************************/ - -void -ARMul_R15Altered (ARMul_State * state) -{ - if (state->Mode != R15MODE) - { - state->Mode = ARMul_SwitchMode (state, state->Mode, R15MODE); - state->NtransSig = (state->Mode & 3) ? HIGH : LOW; - } - if (state->Mode > SVC26MODE) - state->Emulate = CHANGEMODE; - ASSIGNR15INT (R15INT); - ASSIGNN ((state->Reg[15] & NBIT) != 0); - ASSIGNZ ((state->Reg[15] & ZBIT) != 0); - ASSIGNC ((state->Reg[15] & CBIT) != 0); - ASSIGNV ((state->Reg[15] & VBIT) != 0); -} - -/***************************************************************************\ -* This routine controls the saving and restoring of registers across mode * -* changes. The regbank matrix is largely unused, only rows 13 and 14 are * -* used across all modes, 8 to 14 are used for FIQ, all others use the USER * -* column. It's easier this way. old and new parameter are modes numbers. * -* Notice the side effect of changing the Bank variable. * -\***************************************************************************/ - -ARMword -ARMul_SwitchMode (ARMul_State * state, ARMword oldmode, ARMword newmode) -{ - unsigned i; - ARMword oldbank; - ARMword newbank; - - oldbank = ModeToBank (oldmode); - newbank = state->Bank = ModeToBank (newmode); - - if (oldbank != newbank) - { /* really need to do it */ - switch (oldbank) - { /* save away the old registers */ - case USERBANK: - case IRQBANK: - case SVCBANK: - case ABORTBANK: - case UNDEFBANK: - if (newbank == FIQBANK) - for (i = 8; i < 13; i++) - state->RegBank[USERBANK][i] = state->Reg[i]; - state->RegBank[oldbank][13] = state->Reg[13]; - state->RegBank[oldbank][14] = state->Reg[14]; - break; - case FIQBANK: - for (i = 8; i < 15; i++) - state->RegBank[FIQBANK][i] = state->Reg[i]; - break; - case DUMMYBANK: - for (i = 8; i < 15; i++) - state->RegBank[DUMMYBANK][i] = 0; - break; - default: - abort (); - } - - switch (newbank) - { /* restore the new registers */ - case USERBANK: - case IRQBANK: - case SVCBANK: - case ABORTBANK: - case UNDEFBANK: - if (oldbank == FIQBANK) - for (i = 8; i < 13; i++) - state->Reg[i] = state->RegBank[USERBANK][i]; - state->Reg[13] = state->RegBank[newbank][13]; - state->Reg[14] = state->RegBank[newbank][14]; - break; - case FIQBANK: - for (i = 8; i < 15; i++) - state->Reg[i] = state->RegBank[FIQBANK][i]; - break; - case DUMMYBANK: - for (i = 8; i < 15; i++) - state->Reg[i] = 0; - break; - default: - abort (); - } /* switch */ - } /* if */ - - return newmode; -} - -/***************************************************************************\ -* Given a processor mode, this routine returns the register bank that * -* will be accessed in that mode. * -\***************************************************************************/ - -static ARMword -ModeToBank (ARMword mode) -{ - static ARMword bankofmode[] = - { - USERBANK, FIQBANK, IRQBANK, SVCBANK, - DUMMYBANK, DUMMYBANK, DUMMYBANK, DUMMYBANK, - DUMMYBANK, DUMMYBANK, DUMMYBANK, DUMMYBANK, - DUMMYBANK, DUMMYBANK, DUMMYBANK, DUMMYBANK, - USERBANK, FIQBANK, IRQBANK, SVCBANK, - DUMMYBANK, DUMMYBANK, DUMMYBANK, ABORTBANK, - DUMMYBANK, DUMMYBANK, DUMMYBANK, UNDEFBANK, - DUMMYBANK, DUMMYBANK, DUMMYBANK, SYSTEMBANK - }; - - if (mode >= (sizeof (bankofmode) / sizeof (bankofmode[0]))) - return DUMMYBANK; - - return bankofmode[mode]; -} - -/***************************************************************************\ -* Returns the register number of the nth register in a reg list. * -\***************************************************************************/ - -unsigned -ARMul_NthReg (ARMword instr, unsigned number) -{ - unsigned bit, upto; - - for (bit = 0, upto = 0; upto <= number; bit++) - if (BIT (bit)) - upto++; - return (bit - 1); -} - -/***************************************************************************\ -* Assigns the N and Z flags depending on the value of result * -\***************************************************************************/ - -void -ARMul_NegZero (ARMul_State * state, ARMword result) -{ - if (NEG (result)) - { - SETN; - CLEARZ; - } - else if (result == 0) - { - CLEARN; - SETZ; - } - else - { - CLEARN; - CLEARZ; - }; -} - -/* Compute whether an addition of A and B, giving RESULT, overflowed. */ -int -AddOverflow (ARMword a, ARMword b, ARMword result) -{ - return ((NEG (a) && NEG (b) && POS (result)) - || (POS (a) && POS (b) && NEG (result))); -} - -/* Compute whether a subtraction of A and B, giving RESULT, overflowed. */ -int -SubOverflow (ARMword a, ARMword b, ARMword result) -{ - return ((NEG (a) && POS (b) && POS (result)) - || (POS (a) && NEG (b) && NEG (result))); -} - -/***************************************************************************\ -* Assigns the C flag after an addition of a and b to give result * -\***************************************************************************/ - -void -ARMul_AddCarry (ARMul_State * state, ARMword a, ARMword b, ARMword result) -{ - ASSIGNC ((NEG (a) && NEG (b)) || - (NEG (a) && POS (result)) || (NEG (b) && POS (result))); -} - -/***************************************************************************\ -* Assigns the V flag after an addition of a and b to give result * -\***************************************************************************/ - -void -ARMul_AddOverflow (ARMul_State * state, ARMword a, ARMword b, ARMword result) -{ - ASSIGNV (AddOverflow (a, b, result)); -} - -/***************************************************************************\ -* Assigns the C flag after an subtraction of a and b to give result * -\***************************************************************************/ - -void -ARMul_SubCarry (ARMul_State * state, ARMword a, ARMword b, ARMword result) -{ - ASSIGNC ((NEG (a) && POS (b)) || - (NEG (a) && POS (result)) || (POS (b) && POS (result))); -} - -/***************************************************************************\ -* Assigns the V flag after an subtraction of a and b to give result * -\***************************************************************************/ - -void -ARMul_SubOverflow (ARMul_State * state, ARMword a, ARMword b, ARMword result) -{ - ASSIGNV (SubOverflow (a, b, result)); -} - -/***************************************************************************\ -* This function does the work of generating the addresses used in an * -* LDC instruction. The code here is always post-indexed, it's up to the * -* caller to get the input address correct and to handle base register * -* modification. It also handles the Busy-Waiting. * -\***************************************************************************/ - -void -ARMul_LDC (ARMul_State * state, ARMword instr, ARMword address) -{ - unsigned cpab; - ARMword data; - - UNDEF_LSCPCBaseWb; - if (ADDREXCEPT (address)) - { - INTERNALABORT (address); - } - cpab = (state->LDC[CPNum]) (state, ARMul_FIRST, instr, 0); - while (cpab == ARMul_BUSY) - { - ARMul_Icycles (state, 1, 0); - if (IntPending (state)) - { - cpab = (state->LDC[CPNum]) (state, ARMul_INTERRUPT, instr, 0); - return; - } - else - cpab = (state->LDC[CPNum]) (state, ARMul_BUSY, instr, 0); - } - if (cpab == ARMul_CANT) - { - CPTAKEABORT; - return; - } - cpab = (state->LDC[CPNum]) (state, ARMul_TRANSFER, instr, 0); - data = ARMul_LoadWordN (state, address); - BUSUSEDINCPCN; - if (BIT (21)) - LSBase = state->Base; - cpab = (state->LDC[CPNum]) (state, ARMul_DATA, instr, data); - while (cpab == ARMul_INC) - { - address += 4; - data = ARMul_LoadWordN (state, address); - cpab = (state->LDC[CPNum]) (state, ARMul_DATA, instr, data); - } - if (state->abortSig || state->Aborted) - { - TAKEABORT; - } -} - -/***************************************************************************\ -* This function does the work of generating the addresses used in an * -* STC instruction. The code here is always post-indexed, it's up to the * -* caller to get the input address correct and to handle base register * -* modification. It also handles the Busy-Waiting. * -\***************************************************************************/ - -void -ARMul_STC (ARMul_State * state, ARMword instr, ARMword address) -{ - unsigned cpab; - ARMword data; - - UNDEF_LSCPCBaseWb; - if (ADDREXCEPT (address) || VECTORACCESS (address)) - { - INTERNALABORT (address); - } - cpab = (state->STC[CPNum]) (state, ARMul_FIRST, instr, &data); - while (cpab == ARMul_BUSY) - { - ARMul_Icycles (state, 1, 0); - if (IntPending (state)) - { - cpab = (state->STC[CPNum]) (state, ARMul_INTERRUPT, instr, 0); - return; - } - else - cpab = (state->STC[CPNum]) (state, ARMul_BUSY, instr, &data); - } - if (cpab == ARMul_CANT) - { - CPTAKEABORT; - return; - } -#ifndef MODE32 - if (ADDREXCEPT (address) || VECTORACCESS (address)) - { - INTERNALABORT (address); - } -#endif - BUSUSEDINCPCN; - if (BIT (21)) - LSBase = state->Base; - cpab = (state->STC[CPNum]) (state, ARMul_DATA, instr, &data); - ARMul_StoreWordN (state, address, data); - while (cpab == ARMul_INC) - { - address += 4; - cpab = (state->STC[CPNum]) (state, ARMul_DATA, instr, &data); - ARMul_StoreWordN (state, address, data); - } - if (state->abortSig || state->Aborted) - { - TAKEABORT; - } -} - -/***************************************************************************\ -* This function does the Busy-Waiting for an MCR instruction. * -\***************************************************************************/ - -void -ARMul_MCR (ARMul_State * state, ARMword instr, ARMword source) -{ - unsigned cpab; - - cpab = (state->MCR[CPNum]) (state, ARMul_FIRST, instr, source); - - while (cpab == ARMul_BUSY) - { - ARMul_Icycles (state, 1, 0); - - if (IntPending (state)) - { - cpab = (state->MCR[CPNum]) (state, ARMul_INTERRUPT, instr, 0); - return; - } - else - cpab = (state->MCR[CPNum]) (state, ARMul_BUSY, instr, source); - } - - if (cpab == ARMul_CANT) - ARMul_Abort (state, ARMul_UndefinedInstrV); - else - { - BUSUSEDINCPCN; - ARMul_Ccycles (state, 1, 0); - } -} - -/***************************************************************************\ -* This function does the Busy-Waiting for an MRC instruction. * -\***************************************************************************/ - -ARMword -ARMul_MRC (ARMul_State * state, ARMword instr) -{ - unsigned cpab; - ARMword result = 0; - - cpab = (state->MRC[CPNum]) (state, ARMul_FIRST, instr, &result); - while (cpab == ARMul_BUSY) - { - ARMul_Icycles (state, 1, 0); - if (IntPending (state)) - { - cpab = (state->MRC[CPNum]) (state, ARMul_INTERRUPT, instr, 0); - return (0); - } - else - cpab = (state->MRC[CPNum]) (state, ARMul_BUSY, instr, &result); - } - if (cpab == ARMul_CANT) - { - ARMul_Abort (state, ARMul_UndefinedInstrV); - result = ECC; /* Parent will destroy the flags otherwise */ - } - else - { - BUSUSEDINCPCN; - ARMul_Ccycles (state, 1, 0); - ARMul_Icycles (state, 1, 0); - } - return (result); -} - -/***************************************************************************\ -* This function does the Busy-Waiting for an CDP instruction. * -\***************************************************************************/ - -void -ARMul_CDP (ARMul_State * state, ARMword instr) -{ - unsigned cpab; - - cpab = (state->CDP[CPNum]) (state, ARMul_FIRST, instr); - while (cpab == ARMul_BUSY) - { - ARMul_Icycles (state, 1, 0); - if (IntPending (state)) - { - cpab = (state->CDP[CPNum]) (state, ARMul_INTERRUPT, instr); - return; - } - else - cpab = (state->CDP[CPNum]) (state, ARMul_BUSY, instr); - } - if (cpab == ARMul_CANT) - ARMul_Abort (state, ARMul_UndefinedInstrV); - else - BUSUSEDN; -} - -/***************************************************************************\ -* This function handles Undefined instructions, as CP isntruction * -\***************************************************************************/ - -void -ARMul_UndefInstr (ARMul_State * state, ARMword instr ATTRIBUTE_UNUSED) -{ - ARMul_Abort (state, ARMul_UndefinedInstrV); -} - -/***************************************************************************\ -* Return TRUE if an interrupt is pending, FALSE otherwise. * -\***************************************************************************/ - -unsigned -IntPending (ARMul_State * state) -{ - if (state->Exception) - { /* Any exceptions */ - if (state->NresetSig == LOW) - { - ARMul_Abort (state, ARMul_ResetV); - return (TRUE); - } - else if (!state->NfiqSig && !FFLAG) - { - ARMul_Abort (state, ARMul_FIQV); - return (TRUE); - } - else if (!state->NirqSig && !IFLAG) - { - ARMul_Abort (state, ARMul_IRQV); - return (TRUE); - } - } - return (FALSE); -} - -/***************************************************************************\ -* Align a word access to a non word boundary * -\***************************************************************************/ - -ARMword -ARMul_Align (state, address, data) - ARMul_State * state ATTRIBUTE_UNUSED; - ARMword address; - ARMword data; -{ - /* This code assumes the address is really unaligned, - as a shift by 32 is undefined in C. */ - - address = (address & 3) << 3; /* get the word address */ - return ((data >> address) | (data << (32 - address))); /* rot right */ -} - -/***************************************************************************\ -* This routine is used to call another routine after a certain number of * -* cycles have been executed. The first parameter is the number of cycles * -* delay before the function is called, the second argument is a pointer * -* to the function. A delay of zero doesn't work, just call the function. * -\***************************************************************************/ - -void -ARMul_ScheduleEvent (ARMul_State * state, unsigned long delay, - unsigned (*what) ()) -{ - unsigned long when; - struct EventNode *event; - - if (state->EventSet++ == 0) - state->Now = ARMul_Time (state); - when = (state->Now + delay) % EVENTLISTSIZE; - event = (struct EventNode *) malloc (sizeof (struct EventNode)); - event->func = what; - event->next = *(state->EventPtr + when); - *(state->EventPtr + when) = event; -} - -/***************************************************************************\ -* This routine is called at the beginning of every cycle, to envoke * -* scheduled events. * -\***************************************************************************/ - -void -ARMul_EnvokeEvent (ARMul_State * state) -{ - static unsigned long then; - - then = state->Now; - state->Now = ARMul_Time (state) % EVENTLISTSIZE; - if (then < state->Now) /* schedule events */ - EnvokeList (state, then, state->Now); - else if (then > state->Now) - { /* need to wrap around the list */ - EnvokeList (state, then, EVENTLISTSIZE - 1L); - EnvokeList (state, 0L, state->Now); - } -} - -static void -EnvokeList (ARMul_State * state, unsigned long from, unsigned long to) -/* envokes all the entries in a range */ -{ - struct EventNode *anevent; - - for (; from <= to; from++) - { - anevent = *(state->EventPtr + from); - while (anevent) - { - (anevent->func) (state); - state->EventSet--; - anevent = anevent->next; - } - *(state->EventPtr + from) = NULL; - } -} - -/***************************************************************************\ -* This routine is returns the number of clock ticks since the last reset. * -\***************************************************************************/ - -unsigned long -ARMul_Time (ARMul_State * state) -{ - return (state->NumScycles + state->NumNcycles + - state->NumIcycles + state->NumCcycles + state->NumFcycles); -} diff --git a/sim/arm/armvirt.c b/sim/arm/armvirt.c deleted file mode 100644 index ce1e77d8c45..00000000000 --- a/sim/arm/armvirt.c +++ /dev/null @@ -1,520 +0,0 @@ -/* armvirt.c -- ARMulator virtual memory interace: ARM6 Instruction Emulator. - Copyright (C) 1994 Advanced RISC Machines Ltd. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -/* This file contains a complete ARMulator memory model, modelling a -"virtual memory" system. A much simpler model can be found in armfast.c, -and that model goes faster too, but has a fixed amount of memory. This -model's memory has 64K pages, allocated on demand from a 64K entry page -table. The routines PutWord and GetWord implement this. Pages are never -freed as they might be needed again. A single area of memory may be -defined to generate aborts. */ - -#include "armopts.h" -#include "armos.h" -#include "armdefs.h" -#include "ansidecl.h" - -#ifdef VALIDATE /* for running the validate suite */ -#define TUBE 48 * 1024 * 1024 /* write a char on the screen */ -#define ABORTS 1 -#endif - -/* #define ABORTS */ - -#ifdef ABORTS /* the memory system will abort */ -/* For the old test suite Abort between 32 Kbytes and 32 Mbytes - For the new test suite Abort between 8 Mbytes and 26 Mbytes */ -/* #define LOWABORT 32 * 1024 -#define HIGHABORT 32 * 1024 * 1024 */ -#define LOWABORT 8 * 1024 * 1024 -#define HIGHABORT 26 * 1024 * 1024 - -#endif - -#define NUMPAGES 64 * 1024 -#define PAGESIZE 64 * 1024 -#define PAGEBITS 16 -#define OFFSETBITS 0xffff - -int SWI_vector_installed = FALSE; - -/***************************************************************************\ -* Get a Word from Virtual Memory, maybe allocating the page * -\***************************************************************************/ - -static ARMword -GetWord (ARMul_State * state, ARMword address, int check) -{ - ARMword page; - ARMword offset; - ARMword **pagetable; - ARMword *pageptr; - - XScale_check_memacc (state, &address, 0); - - page = address >> PAGEBITS; - offset = (address & OFFSETBITS) >> 2; - pagetable = (ARMword **) state->MemDataPtr; - pageptr = *(pagetable + page); - - if (pageptr == NULL) - { - pageptr = (ARMword *) malloc (PAGESIZE); - - if (pageptr == NULL) - { - perror ("ARMulator can't allocate VM page"); - exit (12); - } - - *(pagetable + page) = pageptr; - } - - return *(pageptr + offset); -} - -/***************************************************************************\ -* Put a Word into Virtual Memory, maybe allocating the page * -\***************************************************************************/ - -static void -PutWord (ARMul_State * state, ARMword address, ARMword data, int check) -{ - ARMword page; - ARMword offset; - ARMword **pagetable; - ARMword *pageptr; - - XScale_check_memacc (state, &address, 1); - - page = address >> PAGEBITS; - offset = (address & OFFSETBITS) >> 2; - pagetable = (ARMword **) state->MemDataPtr; - pageptr = *(pagetable + page); - - if (pageptr == NULL) - { - pageptr = (ARMword *) malloc (PAGESIZE); - if (pageptr == NULL) - { - perror ("ARMulator can't allocate VM page"); - exit (13); - } - - *(pagetable + page) = pageptr; - } - - if (address == 0x8) - SWI_vector_installed = TRUE; - - *(pageptr + offset) = data; -} - -/***************************************************************************\ -* Initialise the memory interface * -\***************************************************************************/ - -unsigned -ARMul_MemoryInit (ARMul_State * state, unsigned long initmemsize) -{ - ARMword **pagetable; - unsigned page; - - if (initmemsize) - state->MemSize = initmemsize; - - pagetable = (ARMword **) malloc (sizeof (ARMword) * NUMPAGES); - - if (pagetable == NULL) - return FALSE; - - for (page = 0; page < NUMPAGES; page++) - *(pagetable + page) = NULL; - - state->MemDataPtr = (unsigned char *) pagetable; - - ARMul_ConsolePrint (state, ", 4 Gb memory"); - - return TRUE; -} - -/***************************************************************************\ -* Remove the memory interface * -\***************************************************************************/ - -void -ARMul_MemoryExit (ARMul_State * state) -{ - ARMword page; - ARMword **pagetable; - ARMword *pageptr; - - pagetable = (ARMword **) state->MemDataPtr; - for (page = 0; page < NUMPAGES; page++) - { - pageptr = *(pagetable + page); - if (pageptr != NULL) - free ((char *) pageptr); - } - free ((char *) pagetable); - return; -} - -/***************************************************************************\ -* ReLoad Instruction * -\***************************************************************************/ - -ARMword -ARMul_ReLoadInstr (ARMul_State * state, ARMword address, ARMword isize) -{ -#ifdef ABORTS - if (address >= LOWABORT && address < HIGHABORT) - { - ARMul_PREFETCHABORT (address); - return ARMul_ABORTWORD; - } - else - { - ARMul_CLEARABORT; - } -#endif - - if ((isize == 2) && (address & 0x2)) - { - /* We return the next two halfwords: */ - ARMword lo = GetWord (state, address, FALSE); - ARMword hi = GetWord (state, address + 4, FALSE); - - if (state->bigendSig == HIGH) - return (lo << 16) | (hi >> 16); - else - return ((hi & 0xFFFF) << 16) | (lo >> 16); - } - - return GetWord (state, address, TRUE); -} - -/***************************************************************************\ -* Load Instruction, Sequential Cycle * -\***************************************************************************/ - -ARMword ARMul_LoadInstrS (ARMul_State * state, ARMword address, ARMword isize) -{ - state->NumScycles++; - -#ifdef HOURGLASS - if ((state->NumScycles & HOURGLASS_RATE) == 0) - { - HOURGLASS; - } -#endif - - return ARMul_ReLoadInstr (state, address, isize); -} - -/***************************************************************************\ -* Load Instruction, Non Sequential Cycle * -\***************************************************************************/ - -ARMword ARMul_LoadInstrN (ARMul_State * state, ARMword address, ARMword isize) -{ - state->NumNcycles++; - - return ARMul_ReLoadInstr (state, address, isize); -} - -/***************************************************************************\ -* Read Word (but don't tell anyone!) * -\***************************************************************************/ - -ARMword ARMul_ReadWord (ARMul_State * state, ARMword address) -{ -#ifdef ABORTS - if (address >= LOWABORT && address < HIGHABORT) - { - ARMul_DATAABORT (address); - return ARMul_ABORTWORD; - } - else - { - ARMul_CLEARABORT; - } -#endif - - return GetWord (state, address, TRUE); -} - -/***************************************************************************\ -* Load Word, Sequential Cycle * -\***************************************************************************/ - -ARMword ARMul_LoadWordS (ARMul_State * state, ARMword address) -{ - state->NumScycles++; - - return ARMul_ReadWord (state, address); -} - -/***************************************************************************\ -* Load Word, Non Sequential Cycle * -\***************************************************************************/ - -ARMword ARMul_LoadWordN (ARMul_State * state, ARMword address) -{ - state->NumNcycles++; - - return ARMul_ReadWord (state, address); -} - -/***************************************************************************\ -* Load Halfword, (Non Sequential Cycle) * -\***************************************************************************/ - -ARMword ARMul_LoadHalfWord (ARMul_State * state, ARMword address) -{ - ARMword temp, offset; - - state->NumNcycles++; - - temp = ARMul_ReadWord (state, address); - offset = (((ARMword) state->bigendSig * 2) ^ (address & 2)) << 3; /* bit offset into the word */ - - return (temp >> offset) & 0xffff; -} - -/***************************************************************************\ -* Read Byte (but don't tell anyone!) * -\***************************************************************************/ - -ARMword ARMul_ReadByte (ARMul_State * state, ARMword address) -{ - ARMword temp, offset; - - temp = ARMul_ReadWord (state, address); - offset = (((ARMword) state->bigendSig * 3) ^ (address & 3)) << 3; /* bit offset into the word */ - - return (temp >> offset & 0xffL); -} - -/***************************************************************************\ -* Load Byte, (Non Sequential Cycle) * -\***************************************************************************/ - -ARMword ARMul_LoadByte (ARMul_State * state, ARMword address) -{ - state->NumNcycles++; - - return ARMul_ReadByte (state, address); -} - -/***************************************************************************\ -* Write Word (but don't tell anyone!) * -\***************************************************************************/ - -void -ARMul_WriteWord (ARMul_State * state, ARMword address, ARMword data) -{ -#ifdef ABORTS - if (address >= LOWABORT && address < HIGHABORT) - { - ARMul_DATAABORT (address); - return; - } - else - { - ARMul_CLEARABORT; - } -#endif - - PutWord (state, address, data, TRUE); -} - -/***************************************************************************\ -* Store Word, Sequential Cycle * -\***************************************************************************/ - -void -ARMul_StoreWordS (ARMul_State * state, ARMword address, ARMword data) -{ - state->NumScycles++; - - ARMul_WriteWord (state, address, data); -} - -/***************************************************************************\ -* Store Word, Non Sequential Cycle * -\***************************************************************************/ - -void -ARMul_StoreWordN (ARMul_State * state, ARMword address, ARMword data) -{ - state->NumNcycles++; - - ARMul_WriteWord (state, address, data); -} - -/***************************************************************************\ -* Store HalfWord, (Non Sequential Cycle) * -\***************************************************************************/ - -void -ARMul_StoreHalfWord (ARMul_State * state, ARMword address, ARMword data) -{ - ARMword temp, offset; - - state->NumNcycles++; - -#ifdef VALIDATE - if (address == TUBE) - { - if (data == 4) - state->Emulate = FALSE; - else - (void) putc ((char) data, stderr); /* Write Char */ - return; - } -#endif - - temp = ARMul_ReadWord (state, address); - offset = (((ARMword) state->bigendSig * 2) ^ (address & 2)) << 3; /* bit offset into the word */ - - PutWord (state, address, - (temp & ~(0xffffL << offset)) | ((data & 0xffffL) << offset), - TRUE); -} - -/***************************************************************************\ -* Write Byte (but don't tell anyone!) * -\***************************************************************************/ - -void -ARMul_WriteByte (ARMul_State * state, ARMword address, ARMword data) -{ - ARMword temp, offset; - - temp = ARMul_ReadWord (state, address); - offset = (((ARMword) state->bigendSig * 3) ^ (address & 3)) << 3; /* bit offset into the word */ - - PutWord (state, address, - (temp & ~(0xffL << offset)) | ((data & 0xffL) << offset), - TRUE); -} - -/***************************************************************************\ -* Store Byte, (Non Sequential Cycle) * -\***************************************************************************/ - -void -ARMul_StoreByte (ARMul_State * state, ARMword address, ARMword data) -{ - state->NumNcycles++; - -#ifdef VALIDATE - if (address == TUBE) - { - if (data == 4) - state->Emulate = FALSE; - else - (void) putc ((char) data, stderr); /* Write Char */ - return; - } -#endif - - ARMul_WriteByte (state, address, data); -} - -/***************************************************************************\ -* Swap Word, (Two Non Sequential Cycles) * -\***************************************************************************/ - -ARMword ARMul_SwapWord (ARMul_State * state, ARMword address, ARMword data) -{ - ARMword temp; - - state->NumNcycles++; - - temp = ARMul_ReadWord (state, address); - - state->NumNcycles++; - - PutWord (state, address, data, TRUE); - - return temp; -} - -/***************************************************************************\ -* Swap Byte, (Two Non Sequential Cycles) * -\***************************************************************************/ - -ARMword ARMul_SwapByte (ARMul_State * state, ARMword address, ARMword data) -{ - ARMword temp; - - temp = ARMul_LoadByte (state, address); - ARMul_StoreByte (state, address, data); - - return temp; -} - -/***************************************************************************\ -* Count I Cycles * -\***************************************************************************/ - -void -ARMul_Icycles (ARMul_State * state, unsigned number, ARMword address ATTRIBUTE_UNUSED) -{ - state->NumIcycles += number; - ARMul_CLEARABORT; -} - -/***************************************************************************\ -* Count C Cycles * -\***************************************************************************/ - -void -ARMul_Ccycles (ARMul_State * state, unsigned number, ARMword address ATTRIBUTE_UNUSED) -{ - state->NumCcycles += number; - ARMul_CLEARABORT; -} - - -/* Read a byte. Do not check for alignment or access errors. */ - -ARMword -ARMul_SafeReadByte (ARMul_State * state, ARMword address) -{ - ARMword temp, offset; - - temp = GetWord (state, address, FALSE); - offset = (((ARMword) state->bigendSig * 3) ^ (address & 3)) << 3; - - return (temp >> offset & 0xffL); -} - -void -ARMul_SafeWriteByte (ARMul_State * state, ARMword address, ARMword data) -{ - ARMword temp, offset; - - temp = GetWord (state, address, FALSE); - offset = (((ARMword) state->bigendSig * 3) ^ (address & 3)) << 3; - - PutWord (state, address, - (temp & ~(0xffL << offset)) | ((data & 0xffL) << offset), - FALSE); -} diff --git a/sim/arm/bag.c b/sim/arm/bag.c deleted file mode 100644 index a09d749b002..00000000000 --- a/sim/arm/bag.c +++ /dev/null @@ -1,166 +0,0 @@ -/* bag.c -- ARMulator support code: ARM6 Instruction Emulator. - Copyright (C) 1994 Advanced RISC Machines Ltd. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -/********************************************************************/ -/* bag.c: */ -/* Offers a data structure for storing and getting pairs of number. */ -/* The numbers are stored together, put one can be looked up by */ -/* quoting the other. If a new pair is entered and one of the */ -/* numbers is a repeat of a previous pair, then the previos pair */ -/* is deleted. */ -/********************************************************************/ - -#include "bag.h" -#include <stdlib.h> - -#define HASH_TABLE_SIZE 256 -#define hash(x) (((x)&0xff)^(((x)>>8)&0xff)^(((x)>>16)&0xff)^(((x)>>24)&0xff)) - -typedef struct hashentry -{ - struct hashentry *next; - int first; - int second; -} -Hashentry; - -Hashentry *lookupbyfirst[HASH_TABLE_SIZE]; -Hashentry *lookupbysecond[HASH_TABLE_SIZE]; - -void -addtolist (Hashentry ** add, long first, long second) -{ - while (*add) - add = &((*add)->next); - /* Malloc will never fail? :o( */ - (*add) = (Hashentry *) malloc (sizeof (Hashentry)); - (*add)->next = (Hashentry *) 0; - (*add)->first = first; - (*add)->second = second; -} - -void -killwholelist (Hashentry * p) -{ - Hashentry *q; - - while (p) - { - q = p; - p = p->next; - free (q); - } -} - -static void -removefromlist (Hashentry ** p, long first) -{ - Hashentry *q; - - while (*p) - { - if ((*p)->first == first) - { - q = (*p)->next; - free (*p); - *p = q; - return; - } - p = &((*p)->next); - } -} - -void -BAG_putpair (long first, long second) -{ - long junk; - - if (BAG_getfirst (&junk, second) != NO_SUCH_PAIR) - BAG_killpair_bysecond (second); - addtolist (&lookupbyfirst[hash (first)], first, second); - addtolist (&lookupbysecond[hash (second)], first, second); -} - -Bag_error -BAG_getfirst (long *first, long second) -{ - Hashentry *look; - - look = lookupbysecond[hash (second)]; - while (look) - if (look->second == second) - { - *first = look->first; - return NO_ERROR; - } - return NO_SUCH_PAIR; -} - -Bag_error -BAG_getsecond (long first, long *second) -{ - Hashentry *look; - - look = lookupbyfirst[hash (first)]; - while (look) - { - if (look->first == first) - { - *second = look->second; - return NO_ERROR; - } - look = look->next; - } - return NO_SUCH_PAIR; -} - -Bag_error -BAG_killpair_byfirst (long first) -{ - long second; - - if (BAG_getsecond (first, &second) == NO_SUCH_PAIR) - return NO_SUCH_PAIR; - removefromlist (&lookupbyfirst[hash (first)], first); - removefromlist (&lookupbysecond[hash (second)], first); - return NO_ERROR; -} - -Bag_error -BAG_killpair_bysecond (long second) -{ - long first; - - if (BAG_getfirst (&first, second) == NO_SUCH_PAIR) - return NO_SUCH_PAIR; - removefromlist (&lookupbyfirst[hash (first)], first); - removefromlist (&lookupbysecond[hash (second)], first); - return NO_ERROR; -} - -void -BAG_newbag () -{ - int i; - - for (i = 0; i < 256; i++) - { - killwholelist (lookupbyfirst[i]); - killwholelist (lookupbysecond[i]); - lookupbyfirst[i] = lookupbysecond[i] = (Hashentry *) 0; - } -} diff --git a/sim/arm/bag.h b/sim/arm/bag.h deleted file mode 100644 index 0738195eca8..00000000000 --- a/sim/arm/bag.h +++ /dev/null @@ -1,43 +0,0 @@ -/* bag.h -- ARMulator support code: ARM6 Instruction Emulator. - Copyright (C) 1994 Advanced RISC Machines Ltd. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -/********************************************************************/ -/* bag.h: */ -/* Header file for bag.c */ -/* Offers a data structure for storing and getting pairs of number. */ -/* The numbers are stored together, put one can be looked up by */ -/* quoting the other. If a new pair is entered and one of the */ -/* numbers is a repeat of a previous pair, then the previos pair */ -/* is deleted. */ -/********************************************************************/ - -typedef enum -{ - NO_ERROR, - DELETED_OLD_PAIR, - NO_SUCH_PAIR, -} -Bag_error; - -void BAG_putpair (long first, long second); - -void BAG_newbag (void); -Bag_error BAG_killpair_byfirst (long first); -Bag_error BAG_killpair_bysecond (long second); - -Bag_error BAG_getfirst (long *first, long second); -Bag_error BAG_getsecond (long first, long *second); diff --git a/sim/arm/communicate.c b/sim/arm/communicate.c deleted file mode 100644 index 6f6d78581cd..00000000000 --- a/sim/arm/communicate.c +++ /dev/null @@ -1,255 +0,0 @@ -/* communicate.c -- ARMulator RDP comms code: ARM6 Instruction Emulator. - Copyright (C) 1994 Advanced RISC Machines Ltd. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -/**************************************************************************/ -/* Functions to read and write characters or groups of characters */ -/* down sockets or pipes. Those that return a value return -1 on failure */ -/* and 0 on success. */ -/**************************************************************************/ - -#include <sys/time.h> -#include <sys/types.h> -#include <sys/socket.h> -#include <netinet/in.h> - -#include "armdefs.h" - -/* The socket to the debugger */ -int debugsock; - -/* The maximum number of file descriptors */ -extern int nfds; - -/* The socket handle */ -extern int sockethandle; - -/* Read and Write routines down a pipe or socket */ - -/****************************************************************/ -/* Read an individual character. */ -/* All other read functions rely on this one. */ -/* It waits 15 seconds until there is a character available: if */ -/* no character is available, then it timeouts and returns -1. */ -/****************************************************************/ -int -MYread_char (int sock, unsigned char *c) -{ - int i; - fd_set readfds; - struct timeval timeout = { 15, 0 }; - struct sockaddr_in isa; - -retry: - - FD_ZERO (&readfds); - FD_SET (sock, &readfds); - - i = select (nfds, &readfds, (fd_set *) 0, (fd_set *) 0, &timeout); - - if (i < 0) - { - perror ("select"); - exit (1); - } - - if (!i) - { - fprintf (stderr, "read: Timeout\n"); - return -1; - } - - if ((i = read (sock, c, 1)) < 1) - { - if (!i && sock == debugsock) - { - fprintf (stderr, "Connection with debugger severed.\n"); - /* This shouldn't be necessary for a detached armulator, but - the armulator cannot be cold started a second time, so - this is probably preferable to locking up. */ - return -1; - fprintf (stderr, "Waiting for connection from debugger..."); - debugsock = accept (sockethandle, &isa, &i); - if (debugsock < 0) - { /* Now we are in serious trouble... */ - perror ("accept"); - return -1; - } - fprintf (stderr, " done.\nConnection Established.\n"); - sock = debugsock; - goto retry; - } - perror ("read"); - return -1; - } - -#ifdef DEBUG - if (sock == debugsock) - fprintf (stderr, "<%02x ", *c); -#endif - - return 0; -} - -/****************************************************************/ -/* Read an individual character. */ -/* It waits until there is a character available. Returns -1 if */ -/* an error occurs. */ -/****************************************************************/ -int -MYread_charwait (int sock, unsigned char *c) -{ - int i; - fd_set readfds; - struct sockaddr_in isa; - -retry: - - FD_ZERO (&readfds); - FD_SET (sock, &readfds); - - i = select (nfds, &readfds, - (fd_set *) 0, (fd_set *) 0, (struct timeval *) 0); - - if (i < 0) - { - perror ("select"); - exit (-1); - } - - if ((i = read (sock, c, 1)) < 1) - { - if (!i && sock == debugsock) - { - fprintf (stderr, "Connection with debugger severed.\n"); - return -1; - fprintf (stderr, "Waiting for connection from debugger..."); - debugsock = accept (sockethandle, &isa, &i); - if (debugsock < 0) - { /* Now we are in serious trouble... */ - perror ("accept"); - return -1; - } - fprintf (stderr, " done.\nConnection Established.\n"); - sock = debugsock; - goto retry; - } - perror ("read"); - return -1; - } - -#ifdef DEBUG - if (sock == debugsock) - fprintf (stderr, "<%02x ", *c); -#endif - - return 0; -} - -void -MYwrite_char (int sock, unsigned char c) -{ - - if (write (sock, &c, 1) < 1) - perror ("write"); -#ifdef DEBUG - if (sock == debugsock) - fprintf (stderr, ">%02x ", c); -#endif -} - -int -MYread_word (int sock, ARMword * here) -{ - unsigned char a, b, c, d; - - if (MYread_char (sock, &a) < 0) - return -1; - if (MYread_char (sock, &b) < 0) - return -1; - if (MYread_char (sock, &c) < 0) - return -1; - if (MYread_char (sock, &d) < 0) - return -1; - *here = a | b << 8 | c << 16 | d << 24; - return 0; -} - -void -MYwrite_word (int sock, ARMword i) -{ - MYwrite_char (sock, i & 0xff); - MYwrite_char (sock, (i & 0xff00) >> 8); - MYwrite_char (sock, (i & 0xff0000) >> 16); - MYwrite_char (sock, (i & 0xff000000) >> 24); -} - -void -MYwrite_string (int sock, char *s) -{ - int i; - for (i = 0; MYwrite_char (sock, s[i]), s[i]; i++); -} - -int -MYread_FPword (int sock, char *putinhere) -{ - int i; - for (i = 0; i < 16; i++) - if (MYread_char (sock, &putinhere[i]) < 0) - return -1; - return 0; -} - -void -MYwrite_FPword (int sock, char *fromhere) -{ - int i; - for (i = 0; i < 16; i++) - MYwrite_char (sock, fromhere[i]); -} - -/* Takes n bytes from source and those n bytes */ -/* down to dest */ -int -passon (int source, int dest, int n) -{ - char *p; - int i; - - p = (char *) malloc (n); - if (!p) - { - perror ("Out of memory\n"); - exit (1); - } - if (n) - { - for (i = 0; i < n; i++) - if (MYread_char (source, &p[i]) < 0) - return -1; - -#ifdef DEBUG - if (dest == debugsock) - for (i = 0; i < n; i++) - fprintf (stderr, ")%02x ", (unsigned char) p[i]); -#endif - - write (dest, p, n); - } - free (p); - return 0; -} diff --git a/sim/arm/communicate.h b/sim/arm/communicate.h deleted file mode 100644 index f6503ec10f3..00000000000 --- a/sim/arm/communicate.h +++ /dev/null @@ -1,36 +0,0 @@ -/* communicate.h -- ARMulator comms support defns: ARM6 Instruction Emulator. - Copyright (C) 1994 Advanced RISC Machines Ltd. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -int MYread_char (int sock, unsigned char *c); -void MYwrite_char (int sock, unsigned char c); -int MYread_word (int sock, ARMword * here); -void MYwrite_word (int sock, ARMword i); -void MYwrite_string (int sock, char *s); -int MYread_FPword (int sock, char *putinhere); -void MYwrite_FPword (int sock, char *fromhere); -int passon (int source, int dest, int n); - -int wait_for_osreply (ARMword * reply); /* from kid.c */ - -#define OS_SendNothing 0x0 -#define OS_SendChar 0x1 -#define OS_SendWord 0x2 -#define OS_SendString 0x3 - -/* The pipes between the two processes */ -extern int mumkid[2]; -extern int kidmum[2]; diff --git a/sim/arm/config.in b/sim/arm/config.in deleted file mode 100644 index 1f87a2bee4e..00000000000 --- a/sim/arm/config.in +++ /dev/null @@ -1,158 +0,0 @@ -/* config.in. Generated automatically from configure.in by autoheader. */ - -/* Define if using alloca.c. */ -#undef C_ALLOCA - -/* Define to empty if the keyword does not work. */ -#undef const - -/* Define to one of _getb67, GETB67, getb67 for Cray-2 and Cray-YMP systems. - This function is required for alloca.c support on those systems. */ -#undef CRAY_STACKSEG_END - -/* Define if you have alloca, as a function or macro. */ -#undef HAVE_ALLOCA - -/* Define if you have <alloca.h> and it should be used (not on Ultrix). */ -#undef HAVE_ALLOCA_H - -/* Define if you have a working `mmap' system call. */ -#undef HAVE_MMAP - -/* Define as __inline if that's what the C compiler calls it. */ -#undef inline - -/* Define to `long' if <sys/types.h> doesn't define. */ -#undef off_t - -/* Define if you need to in order for stat and other things to work. */ -#undef _POSIX_SOURCE - -/* Define as the return type of signal handlers (int or void). */ -#undef RETSIGTYPE - -/* Define to `unsigned' if <sys/types.h> doesn't define. */ -#undef size_t - -/* If using the C implementation of alloca, define if you know the - direction of stack growth for your system; otherwise it will be - automatically deduced at run-time. - STACK_DIRECTION > 0 => grows toward higher addresses - STACK_DIRECTION < 0 => grows toward lower addresses - STACK_DIRECTION = 0 => direction of growth unknown - */ -#undef STACK_DIRECTION - -/* Define if you have the ANSI C header files. */ -#undef STDC_HEADERS - -/* Define to 1 if NLS is requested. */ -#undef ENABLE_NLS - -/* Define as 1 if you have gettext and don't want to use GNU gettext. */ -#undef HAVE_GETTEXT - -/* Define as 1 if you have the stpcpy function. */ -#undef HAVE_STPCPY - -/* Define if your locale.h file contains LC_MESSAGES. */ -#undef HAVE_LC_MESSAGES - -/* Define if you have the __argz_count function. */ -#undef HAVE___ARGZ_COUNT - -/* Define if you have the __argz_next function. */ -#undef HAVE___ARGZ_NEXT - -/* Define if you have the __argz_stringify function. */ -#undef HAVE___ARGZ_STRINGIFY - -/* Define if you have the __setfpucw function. */ -#undef HAVE___SETFPUCW - -/* Define if you have the dcgettext function. */ -#undef HAVE_DCGETTEXT - -/* Define if you have the getcwd function. */ -#undef HAVE_GETCWD - -/* Define if you have the getpagesize function. */ -#undef HAVE_GETPAGESIZE - -/* Define if you have the getrusage function. */ -#undef HAVE_GETRUSAGE - -/* Define if you have the munmap function. */ -#undef HAVE_MUNMAP - -/* Define if you have the putenv function. */ -#undef HAVE_PUTENV - -/* Define if you have the setenv function. */ -#undef HAVE_SETENV - -/* Define if you have the setlocale function. */ -#undef HAVE_SETLOCALE - -/* Define if you have the sigaction function. */ -#undef HAVE_SIGACTION - -/* Define if you have the stpcpy function. */ -#undef HAVE_STPCPY - -/* Define if you have the strcasecmp function. */ -#undef HAVE_STRCASECMP - -/* Define if you have the strchr function. */ -#undef HAVE_STRCHR - -/* Define if you have the time function. */ -#undef HAVE_TIME - -/* Define if you have the <argz.h> header file. */ -#undef HAVE_ARGZ_H - -/* Define if you have the <fcntl.h> header file. */ -#undef HAVE_FCNTL_H - -/* Define if you have the <fpu_control.h> header file. */ -#undef HAVE_FPU_CONTROL_H - -/* Define if you have the <limits.h> header file. */ -#undef HAVE_LIMITS_H - -/* Define if you have the <locale.h> header file. */ -#undef HAVE_LOCALE_H - -/* Define if you have the <malloc.h> header file. */ -#undef HAVE_MALLOC_H - -/* Define if you have the <nl_types.h> header file. */ -#undef HAVE_NL_TYPES_H - -/* Define if you have the <stdlib.h> header file. */ -#undef HAVE_STDLIB_H - -/* Define if you have the <string.h> header file. */ -#undef HAVE_STRING_H - -/* Define if you have the <strings.h> header file. */ -#undef HAVE_STRINGS_H - -/* Define if you have the <sys/param.h> header file. */ -#undef HAVE_SYS_PARAM_H - -/* Define if you have the <sys/resource.h> header file. */ -#undef HAVE_SYS_RESOURCE_H - -/* Define if you have the <sys/time.h> header file. */ -#undef HAVE_SYS_TIME_H - -/* Define if you have the <time.h> header file. */ -#undef HAVE_TIME_H - -/* Define if you have the <unistd.h> header file. */ -#undef HAVE_UNISTD_H - -/* Define if you have the <values.h> header file. */ -#undef HAVE_VALUES_H diff --git a/sim/arm/configure b/sim/arm/configure deleted file mode 100755 index 2c574e4cd94..00000000000 --- a/sim/arm/configure +++ /dev/null @@ -1,4026 +0,0 @@ -#! /bin/sh - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -sim_inline="-DDEFAULT_INLINE=0" - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -# This file is derived from `gettext.m4'. The difference is that the -# included macros assume Cygnus-style source and build trees. - -# Macro to add for using GNU gettext. -# Ulrich Drepper <drepper@cygnus.com>, 1995. -# -# This file file be copied and used freely without restrictions. It can -# be used in projects which are not available under the GNU Public License -# but which still want to provide support for the GNU gettext functionality. -# Please note that the actual code is *not* freely available. - -# serial 3 - - - - - -# Search path for a program which passes the given test. -# Ulrich Drepper <drepper@cygnus.com>, 1996. -# -# This file file be copied and used freely without restrictions. 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See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#ifndef Dbg_Conf__h - -#define Dbg_Conf__h - -typedef struct Dbg_ConfigBlock -{ - int bytesex; - long memorysize; - int serialport; /*) remote connection parameters */ - int seriallinespeed; /*) (serial connection) */ - int parallelport; /*) ditto */ - int parallellinespeed; /*) (parallel connection) */ - int processor; /* processor the armulator is to emulate (eg ARM60) */ - int rditype; /* armulator / remote processor */ - int drivertype; /* parallel / serial / etc */ - char const *configtoload; - int flags; -} -Dbg_ConfigBlock; - -#define Dbg_ConfigFlag_Reset 1 - -typedef struct Dbg_HostosInterface Dbg_HostosInterface; -/* This structure allows access by the (host-independent) C-library support - module of armulator or pisd (armos.c) to host-dependent functions for - which there is no host-independent interface. Its contents are unknown - to the debugger toolbox. - The assumption is that, in a windowed system, fputc(stderr) for example - may not achieve the desired effect of the character appearing in some - window. - */ - -#endif diff --git a/sim/arm/dbg_cp.h b/sim/arm/dbg_cp.h deleted file mode 100644 index e59c0ec8a99..00000000000 --- a/sim/arm/dbg_cp.h +++ /dev/null @@ -1,70 +0,0 @@ -/* dbg_cp.h -- ARMulator debug interface: ARM6 Instruction Emulator. - Copyright (C) 1994 Advanced RISC Machines Ltd. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#ifndef Dbg_CP__h - -#define Dbg_CP__h - -#define Dbg_Access_Readable 1 -#define Dbg_Access_Writable 2 -#define Dbg_Access_CPDT 4 /* else CPRT */ - -typedef struct -{ - unsigned short rmin, rmax; - /* a single description can be used for a range of registers with - the same properties *accessed via CPDT instructions* - */ - unsigned char nbytes; /* size of register */ - unsigned char access; /* see above (Access_xxx) */ - union - { - struct - { - /* CPDT instructions do not allow the coprocessor much freedom: - only bit 22 ('N') and 12-15 ('CRd') are free for the - coprocessor to use as it sees fit. */ - unsigned char nbit; - unsigned char rdbits; - } - cpdt; - struct - { - /* CPRT instructions have much more latitude. The bits fixed - by the ARM are 24..31 (condition mask & opcode) - 20 (direction) - 8..15 (cpnum, arm register) - 4 (CPRT not CPDO) - leaving 14 bits free to the coprocessor (fortunately - falling within two bytes). */ - unsigned char read_b0, read_b1, write_b0, write_b1; - } - cprt; - } - accessinst; -} -Dbg_CoProRegDesc; - -struct Dbg_CoProDesc -{ - int entries; - Dbg_CoProRegDesc regdesc[1 /* really nentries */ ]; -}; - -#define Dbg_CoProDesc_Size(n) (sizeof(struct Dbg_CoProDesc) + (n-1)*sizeof(Dbg_CoProRegDesc)) - -#endif diff --git a/sim/arm/dbg_hif.h b/sim/arm/dbg_hif.h deleted file mode 100644 index 715551cb02c..00000000000 --- a/sim/arm/dbg_hif.h +++ /dev/null @@ -1,48 +0,0 @@ -/* dbg_hif.h -- ARMulator debug interface: ARM6 Instruction Emulator. - Copyright (C) 1994 Advanced RISC Machines Ltd. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#ifdef __STDC__ -# include <stdarg.h> -#else -# include <varargs.h> -#endif - -typedef void Hif_DbgPrint (void *arg, const char *format, va_list ap); -typedef void Hif_DbgPause (void *arg); - -typedef void Hif_WriteC (void *arg, int c); -typedef int Hif_ReadC (void *arg); -typedef int Hif_Write (void *arg, char const *buffer, int len); -typedef char *Hif_GetS (void *arg, char *buffer, int len); - -typedef void Hif_RDIResetProc (void *arg); - -struct Dbg_HostosInterface -{ - Hif_DbgPrint *dbgprint; - Hif_DbgPause *dbgpause; - void *dbgarg; - - Hif_WriteC *writec; - Hif_ReadC *readc; - Hif_Write *write; - Hif_GetS *gets; - void *hostosarg; - - Hif_RDIResetProc *reset; - void *resetarg; -}; diff --git a/sim/arm/dbg_rdi.h b/sim/arm/dbg_rdi.h deleted file mode 100644 index 35924ec2267..00000000000 --- a/sim/arm/dbg_rdi.h +++ /dev/null @@ -1,332 +0,0 @@ -/* dbg_rdi.h -- ARMulator RDI interface: ARM6 Instruction Emulator. - Copyright (C) 1994 Advanced RISC Machines Ltd. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#ifndef dbg_rdi__h -#define dbg_rdi__h - -/***************************************************************************\ -* Error Codes * -\***************************************************************************/ - -#define RDIError_NoError 0 - -#define RDIError_Reset 1 -#define RDIError_UndefinedInstruction 2 -#define RDIError_SoftwareInterrupt 3 -#define RDIError_PrefetchAbort 4 -#define RDIError_DataAbort 5 -#define RDIError_AddressException 6 -#define RDIError_IRQ 7 -#define RDIError_FIQ 8 -#define RDIError_Error 9 -#define RDIError_BranchThrough0 10 - -#define RDIError_NotInitialised 128 -#define RDIError_UnableToInitialise 129 -#define RDIError_WrongByteSex 130 -#define RDIError_UnableToTerminate 131 -#define RDIError_BadInstruction 132 -#define RDIError_IllegalInstruction 133 -#define RDIError_BadCPUStateSetting 134 -#define RDIError_UnknownCoPro 135 -#define RDIError_UnknownCoProState 136 -#define RDIError_BadCoProState 137 -#define RDIError_BadPointType 138 -#define RDIError_UnimplementedType 139 -#define RDIError_BadPointSize 140 -#define RDIError_UnimplementedSize 141 -#define RDIError_NoMorePoints 142 -#define RDIError_BreakpointReached 143 -#define RDIError_WatchpointAccessed 144 -#define RDIError_NoSuchPoint 145 -#define RDIError_ProgramFinishedInStep 146 -#define RDIError_UserInterrupt 147 -#define RDIError_CantSetPoint 148 -#define RDIError_IncompatibleRDILevels 149 - -#define RDIError_CantLoadConfig 150 -#define RDIError_BadConfigData 151 -#define RDIError_NoSuchConfig 152 -#define RDIError_BufferFull 153 -#define RDIError_OutOfStore 154 -#define RDIError_NotInDownload 155 -#define RDIError_PointInUse 156 -#define RDIError_BadImageFormat 157 -#define RDIError_TargetRunning 158 - -#define RDIError_LittleEndian 240 -#define RDIError_BigEndian 241 -#define RDIError_SoftInitialiseError 242 - -#define RDIError_InsufficientPrivilege 253 -#define RDIError_UnimplementedMessage 254 -#define RDIError_UndefinedMessage 255 - -/***************************************************************************\ -* RDP Message Numbers * -\***************************************************************************/ - -#define RDP_Start (unsigned char)0x0 -#define RDP_End (unsigned char)0x1 -#define RDP_Read (unsigned char)0x2 -#define RDP_Write (unsigned char)0x3 -#define RDP_CPUread (unsigned char)0x4 -#define RDP_CPUwrite (unsigned char)0x5 -#define RDP_CPread (unsigned char)0x6 -#define RDP_CPwrite (unsigned char)0x7 -#define RDP_SetBreak (unsigned char)0xa -#define RDP_ClearBreak (unsigned char)0xb -#define RDP_SetWatch (unsigned char)0xc -#define RDP_ClearWatch (unsigned char)0xd -#define RDP_Execute (unsigned char)0x10 -#define RDP_Step (unsigned char)0x11 -#define RDP_Info (unsigned char)0x12 -#define RDP_OSOpReply (unsigned char)0x13 - -#define RDP_AddConfig (unsigned char)0x14 -#define RDP_LoadConfigData (unsigned char)0x15 -#define RDP_SelectConfig (unsigned char)0x16 -#define RDP_LoadAgent (unsigned char)0x17 - -#define RDP_Stopped (unsigned char)0x20 -#define RDP_OSOp (unsigned char)0x21 -#define RDP_Fatal (unsigned char)0x5e -#define RDP_Return (unsigned char)0x5f -#define RDP_Reset (unsigned char)0x7f - -/***************************************************************************\ -* Other RDI values * -\***************************************************************************/ - -#define RDISex_Little 0 /* the byte sex of the debuggee */ -#define RDISex_Big 1 -#define RDISex_DontCare 2 - -#define RDIPoint_EQ 0 /* the different types of break/watchpoints */ -#define RDIPoint_GT 1 -#define RDIPoint_GE 2 -#define RDIPoint_LT 3 -#define RDIPoint_LE 4 -#define RDIPoint_IN 5 -#define RDIPoint_OUT 6 -#define RDIPoint_MASK 7 - -#define RDIPoint_Inquiry 64 /* ORRed with point type in extended RDP */ -#define RDIPoint_Handle 128 /* messages */ - -#define RDIWatch_ByteRead 1 /* types of data accesses to watch for */ -#define RDIWatch_HalfRead 2 -#define RDIWatch_WordRead 4 -#define RDIWatch_ByteWrite 8 -#define RDIWatch_HalfWrite 16 -#define RDIWatch_WordWrite 32 - -#define RDIReg_R15 (1L << 15) /* mask values for CPU */ -#define RDIReg_PC (1L << 16) -#define RDIReg_CPSR (1L << 17) -#define RDIReg_SPSR (1L << 18) -#define RDINumCPURegs 19 - -#define RDINumCPRegs 10 /* current maximum */ - -#define RDIMode_Curr 255 - -/* Bits set in return value from RDIInfo_Target */ -#define RDITarget_LogSpeed 0x0f -#define RDITarget_HW 0x10 /* else emulator */ -#define RDITarget_AgentMaxLevel 0xe0 -#define RDITarget_AgentLevelShift 5 -#define RDITarget_DebuggerMinLevel 0x700 -#define RDITarget_DebuggerLevelShift 8 -#define RDITarget_CanReloadAgent 0x800 -#define RDITarget_CanInquireLoadSize 0x1000 - -/* Bits set in return value from RDIInfo_Step */ -#define RDIStep_Multiple 1 -#define RDIStep_PCChange 2 -#define RDIStep_Single 4 - -/* Bits set in return value from RDIInfo_Points */ -#define RDIPointCapability_Comparison 1 -#define RDIPointCapability_Range 2 -/* 4 to 128 are RDIWatch_xx{Read,Write} left-shifted by two */ -#define RDIPointCapability_Mask 256 -#define RDIPointCapability_Status 512 /* Point status enquiries available */ - -/* RDI_Info subcodes */ -#define RDIInfo_Target 0 -#define RDIInfo_Points 1 -#define RDIInfo_Step 2 -#define RDIInfo_MMU 3 -#define RDIInfo_DownLoad 4 /* Inquires whether configuration download - and selection is available. - */ -#define RDIInfo_SemiHosting 5 /* Inquires whether RDISemiHosting_* RDI_Info - calls are available. - */ -#define RDIInfo_CoPro 6 /* Inquires whether CoPro RDI_Info calls are - available. - */ -#define RDIInfo_Icebreaker 7 - -/* The next two are only to be used if the value returned by RDIInfo_Points */ -/* has RDIPointCapability_Status set. */ -#define RDIPointStatus_Watch 0x80 -#define RDIPointStatus_Break 0x81 - -#define RDISignal_Stop 0x100 - -#define RDIVector_Catch 0x180 - -/* The next four are only to be used if RDIInfo_Semihosting returned no error */ -#define RDISemiHosting_SetState 0x181 -#define RDISemiHosting_GetState 0x182 -#define RDISemiHosting_SetVector 0x183 -#define RDISemiHosting_GetVector 0x184 - -/* The next two are only to be used if RDIInfo_Icebreaker returned no error */ -#define RDIIcebreaker_GetLocks 0x185 -#define RDIIcebreaker_SetLocks 0x186 - -/* Only if RDIInfo_Target returned RDITarget_CanInquireLoadSize */ -#define RDIInfo_GetLoadSize 0x187 - -#define RDICycles 0x200 -#define RDICycles_Size 48 -#define RDIErrorP 0x201 - -#define RDISet_Cmdline 0x300 -#define RDISet_RDILevel 0x301 -#define RDISet_Thread 0x302 - -/* The next two are only to be used if RDIInfo_CoPro returned no error */ -#define RDIInfo_DescribeCoPro 0x400 -#define RDIInfo_RequestCoProDesc 0x401 - -#define RDIInfo_Log 0x800 -#define RDIInfo_SetLog 0x801 - -typedef unsigned long PointHandle; -typedef unsigned long ThreadHandle; -#define RDINoPointHandle ((PointHandle)-1L) -#define RDINoHandle ((ThreadHandle)-1L) - -struct Dbg_ConfigBlock; -struct Dbg_HostosInterface; -struct Dbg_MCState; -typedef int rdi_open_proc (unsigned type, - struct Dbg_ConfigBlock const *config, - struct Dbg_HostosInterface const *i, - struct Dbg_MCState *dbg_state); -typedef int rdi_close_proc (void); -typedef int rdi_read_proc (ARMword source, void *dest, unsigned *nbytes); -typedef int rdi_write_proc (const void *source, ARMword dest, - unsigned *nbytes); -typedef int rdi_CPUread_proc (unsigned mode, unsigned long mask, - ARMword * state); -typedef int rdi_CPUwrite_proc (unsigned mode, unsigned long mask, - ARMword const *state); -typedef int rdi_CPread_proc (unsigned CPnum, unsigned long mask, - ARMword * state); -typedef int rdi_CPwrite_proc (unsigned CPnum, unsigned long mask, - ARMword const *state); -typedef int rdi_setbreak_proc (ARMword address, unsigned type, ARMword bound, - PointHandle * handle); -typedef int rdi_clearbreak_proc (PointHandle handle); -typedef int rdi_setwatch_proc (ARMword address, unsigned type, - unsigned datatype, ARMword bound, - PointHandle * handle); -typedef int rdi_clearwatch_proc (PointHandle handle); -typedef int rdi_execute_proc (PointHandle * handle); -typedef int rdi_step_proc (unsigned ninstr, PointHandle * handle); -typedef int rdi_info_proc (unsigned type, ARMword * arg1, ARMword * arg2); -typedef int rdi_pointinq_proc (ARMword * address, unsigned type, - unsigned datatype, ARMword * bound); - -typedef enum -{ - RDI_ConfigCPU, - RDI_ConfigSystem -} -RDI_ConfigAspect; - -typedef enum -{ - RDI_MatchAny, - RDI_MatchExactly, - RDI_MatchNoEarlier -} -RDI_ConfigMatchType; - -typedef int rdi_addconfig_proc (unsigned long nbytes); -typedef int rdi_loadconfigdata_proc (unsigned long nbytes, char const *data); -typedef int rdi_selectconfig_proc (RDI_ConfigAspect aspect, char const *name, - RDI_ConfigMatchType matchtype, - unsigned versionreq, unsigned *versionp); - -typedef char *getbufferproc (void *getbarg, unsigned long *sizep); -typedef int rdi_loadagentproc (ARMword dest, unsigned long size, - getbufferproc * getb, void *getbarg); - -typedef struct -{ - int itemmax; - char const *const *names; -} -RDI_NameList; - -typedef RDI_NameList const *rdi_namelistproc (void); - -typedef int rdi_errmessproc (char *buf, int buflen, int errno); - -struct RDIProcVec -{ - char rditypename[12]; - - rdi_open_proc *open; - rdi_close_proc *close; - rdi_read_proc *read; - rdi_write_proc *write; - rdi_CPUread_proc *CPUread; - rdi_CPUwrite_proc *CPUwrite; - rdi_CPread_proc *CPread; - rdi_CPwrite_proc *CPwrite; - rdi_setbreak_proc *setbreak; - rdi_clearbreak_proc *clearbreak; - rdi_setwatch_proc *setwatch; - rdi_clearwatch_proc *clearwatch; - rdi_execute_proc *execute; - rdi_step_proc *step; - rdi_info_proc *info; - /* V2 RDI */ - rdi_pointinq_proc *pointinquiry; - - /* These three useable only if RDIInfo_DownLoad returns no error */ - rdi_addconfig_proc *addconfig; - rdi_loadconfigdata_proc *loadconfigdata; - rdi_selectconfig_proc *selectconfig; - - rdi_namelistproc *drivernames; - rdi_namelistproc *cpunames; - - rdi_errmessproc *errmess; - - /* Only if RDIInfo_Target returns a value with RDITarget_LoadAgent set */ - rdi_loadagentproc *loadagent; -}; - -#endif diff --git a/sim/arm/gdbhost.c b/sim/arm/gdbhost.c deleted file mode 100644 index 5d12574f83c..00000000000 --- a/sim/arm/gdbhost.c +++ /dev/null @@ -1,113 +0,0 @@ -/* gdbhost.c -- ARMulator RDP to gdb comms code: ARM6 Instruction Emulator. - Copyright (C) 1994 Advanced RISC Machines Ltd. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -/***********************************************************/ -/* Functions that communicate info back to the debugger... */ -/***********************************************************/ - -#include <stdio.h> -#include <stdarg.h> -#include "armdefs.h" -#include "communicate.h" -#include "dbg_rdi.h" -#include "armos.h" - -#define OS_SendNothing 0x0 -#define OS_SendChar 0x1 -#define OS_SendWord 0x2 -#define OS_SendString 0x3 - -/* Defined in kid.c */ -extern int wait_for_osreply (ARMword * reply); - -/* A pipe for handling SWI return values that goes straight from the */ -/* parent to the ARMulator host interface, bypassing the childs RDP */ -/* to RDI interpreter */ -int DebuggerARMul[2]; - -/* The pipes between the two processes */ -int mumkid[2]; -int kidmum[2]; - -void -myprint (void *arg, const char *format, va_list ap) -{ -#ifdef DEBUG - fprintf (stderr, "Host: myprint\n"); -#endif - vfprintf (stderr, format, ap); -} - - -/* Waits for a keypress on the debuggers' keyboard */ -void -mypause (void *arg) -{ -#ifdef DEBUG - fprintf (stderr, "Host: mypause\n"); -#endif -} /* I do love exciting functions */ - -void -mywritec (void *arg, int c) -{ -#ifdef DEBUG - fprintf (stderr, "Mywrite : %c\n", c); -#endif - MYwrite_char (kidmum[1], RDP_OSOp); /* OS Operation Request Message */ - MYwrite_word (kidmum[1], SWI_WriteC); /* Print... */ - MYwrite_char (kidmum[1], OS_SendChar); /* ...a single character */ - MYwrite_char (kidmum[1], (unsigned char) c); - - wait_for_osreply ((ARMword *) 0); -} - -int -myreadc (void *arg) -{ - char c; - ARMword x; - -#ifdef DEBUG - fprintf (stderr, "Host: myreadc\n"); -#endif - MYwrite_char (kidmum[1], RDP_OSOp); /* OS Operation Request Message */ - MYwrite_word (kidmum[1], SWI_ReadC); /* Read... */ - MYwrite_char (kidmum[1], OS_SendNothing); - - c = wait_for_osreply (&x); - return (x); -} - - -int -mywrite (void *arg, char const *buffer, int len) -{ -#ifdef DEBUG - fprintf (stderr, "Host: mywrite\n"); -#endif - return 0; -} - -char * -mygets (void *arg, char *buffer, int len) -{ -#ifdef DEBUG - fprintf (stderr, "Host: mygets\n"); -#endif - return buffer; -} diff --git a/sim/arm/gdbhost.h b/sim/arm/gdbhost.h deleted file mode 100644 index 164d7716efa..00000000000 --- a/sim/arm/gdbhost.h +++ /dev/null @@ -1,23 +0,0 @@ -/* gdbhost.h -- ARMulator to gdb interface: ARM6 Instruction Emulator. - Copyright (C) 1994 Advanced RISC Machines Ltd. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -void myprint (void *arg, const char *format, va_list ap); -void mypause (void *arg); -void mywritec (void *arg, int c); -int myreadc (void *arg); -int mywrite (void *arg, char const *buffer, int len); -char *mygets (void *arg, char *buffer, int len); diff --git a/sim/arm/kid.c b/sim/arm/kid.c deleted file mode 100644 index c43d4dd1ae8..00000000000 --- a/sim/arm/kid.c +++ /dev/null @@ -1,540 +0,0 @@ -/* kid.c -- ARMulator RDP/RDI interface: ARM6 Instruction Emulator. - Copyright (C) 1994 Advanced RISC Machines Ltd. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -/*****************************************************************/ -/* The child process continues here... */ -/* It waits on a pipe from the parent and translates the RDP */ -/* messages into RDI calls to the ARMulator passing RDP replies */ -/* back up a pipe to the parent. */ -/*****************************************************************/ - -#include <sys/types.h> -#include <signal.h> - -#include "armdefs.h" -#include "dbg_conf.h" -#include "dbg_hif.h" -#include "dbg_rdi.h" -#include "gdbhost.h" -#include "communicate.h" - -/* The pipes between the two processes */ -extern int mumkid[2]; -extern int kidmum[2]; - -/* The maximum number of file descriptors */ -extern int nfds; - -/* The machine name */ -#define MAXHOSTNAMELENGTH 64 -extern char localhost[MAXHOSTNAMELENGTH + 1]; - -/* The socket number */ -extern unsigned int socketnumber; - -/* RDI interface */ -extern const struct RDIProcVec armul_rdi; - -static int MYrdp_level = 0; - -static int rdi_state = 0; - -/**************************************************************/ -/* Signal handler that terminates excecution in the ARMulator */ -/**************************************************************/ -void -kid_handlesignal (int sig) -{ -#ifdef DEBUG - fprintf (stderr, "Terminate ARMulator excecution\n"); -#endif - if (sig != SIGUSR1) - { - fprintf (stderr, "Unsupported signal.\n"); - return; - } - armul_rdi.info (RDISignal_Stop, (unsigned long *) 0, (unsigned long *) 0); -} - -/********************************************************************/ -/* Waits on a pipe from the socket demon for RDP and */ -/* acts as an RDP to RDI interpreter on the front of the ARMulator. */ -/********************************************************************/ -void -kid () -{ - char *p, *q; - int i, j, k; - long outofthebag; - unsigned char c, d, message; - ARMword x, y, z; - struct sigaction action; - PointHandle point; - Dbg_ConfigBlock config; - Dbg_HostosInterface hostif; - struct Dbg_MCState *MCState; - char command_line[256]; - struct fd_set readfds; - - /* Setup a signal handler for SIGUSR1 */ - action.sa_handler = kid_handlesignal; - action.sa_mask = 0; - action.sa_flags = 0; - - sigaction (SIGUSR1, &action, (struct sigaction *) 0); - - while (1) - { - /* Wait for ever */ - FD_ZERO (&readfds); - FD_SET (mumkid[0], &readfds); - - i = select (nfds, &readfds, - (fd_set *) 0, (fd_set *) 0, (struct timeval *) 0); - - if (i < 0) - { - perror ("select"); - } - - if (read (mumkid[0], &message, 1) < 1) - { - perror ("read"); - } - - switch (message) - { - case RDP_Start: - /* Open and/or Initialise */ - BAG_newbag (); - - MYread_char (mumkid[0], &c); /* type */ - MYread_word (mumkid[0], &x); /* memorysize */ - if (c & 0x2) - MYread_char (mumkid[0], &d); /* speed */ - config.processor = 0; - config.memorysize = x; - config.bytesex = (c & 0x4) ? RDISex_Big : RDISex_Little; - if (c & 0x8) - config.bytesex = RDISex_DontCare; - - hostif.dbgprint = myprint; - hostif.dbgpause = mypause; - hostif.dbgarg = stdout; - hostif.writec = mywritec; - hostif.readc = myreadc; - hostif.write = mywrite; - hostif.gets = mygets; - hostif.reset = mypause; /* do nothing */ - hostif.resetarg = "Do I love resetting or what!\n"; - - if (rdi_state) - { - /* we have restarted, so kill off the existing run. */ - /* armul_rdi.close(); */ - } - i = armul_rdi.open (c & 0x3, &config, &hostif, MCState); - rdi_state = 1; - - MYwrite_char (kidmum[1], RDP_Return); - MYwrite_char (kidmum[1], (unsigned char) i); - - x = ~0x4; - armul_rdi.info (RDIVector_Catch, &x, 0); - - break; - - case RDP_End: - /* Close and Finalise */ - i = armul_rdi.close (); - rdi_state = 0; - MYwrite_char (kidmum[1], RDP_Return); - MYwrite_char (kidmum[1], (unsigned char) i); - break; - - case RDP_Read: - /* Read Memory Address */ - MYread_word (mumkid[0], &x); /* address */ - MYread_word (mumkid[0], &y); /* nbytes */ - p = (char *) malloc (y); - i = armul_rdi.read (x, p, (unsigned *) &y); - MYwrite_char (kidmum[1], RDP_Return); - for (k = 0; k < y; k++) - MYwrite_char (kidmum[1], p[k]); - free (p); - MYwrite_char (kidmum[1], (unsigned char) i); - if (i) - MYwrite_word (kidmum[1], y); /* number of bytes sent without error */ - break; - - case RDP_Write: - /* Write Memory Address */ - MYread_word (mumkid[0], &x); /* address */ - MYread_word (mumkid[0], &y); /* nbytes */ - p = (char *) malloc (y); - for (k = 0; k < y; k++) - MYread_char (mumkid[0], &p[k]); - i = armul_rdi.write (p, x, (unsigned *) &y); - free (p); - MYwrite_char (kidmum[1], RDP_Return); - MYwrite_char (kidmum[1], (unsigned char) i); - if (i) - MYwrite_word (kidmum[1], y); /* number of bytes sent without error */ - break; - - case RDP_CPUread: - /* Read CPU State */ - MYread_char (mumkid[0], &c); /* mode */ - MYread_word (mumkid[0], &x); /* mask */ - p = (char *) malloc (4 * RDINumCPURegs); - i = armul_rdi.CPUread (c, x, (ARMword *) p); - MYwrite_char (kidmum[1], RDP_Return); - for (k = 1, j = 0; k != 0x80000000; k *= 2) - if (k & x) - MYwrite_word (kidmum[1], ((ARMword *) p)[j++]); - free (p); - if (i) - MYwrite_char (kidmum[1], (unsigned char) j); - MYwrite_char (kidmum[1], (unsigned char) i); - break; - - case RDP_CPUwrite: - /* Write CPU State */ - MYread_char (mumkid[0], &c); /* mode */ - MYread_word (mumkid[0], &x); /* mask */ - - p = (char *) malloc (4 * RDINumCPURegs); - for (k = 1, j = 0; k != 0x80000000; k *= 2) - if (k & x) - MYread_word (mumkid[0], &(((ARMword *) p)[j++])); - i = armul_rdi.CPUwrite (c, x, (ARMword *) p); - MYwrite_char (kidmum[1], RDP_Return); - MYwrite_char (kidmum[1], (unsigned char) i); - free (p); - break; - - case RDP_CPread: - /* Read Co-Processor State */ - MYread_char (mumkid[0], &c); /* CPnum */ - MYread_word (mumkid[0], &x); /* mask */ - p = q = (char *) malloc (16 * RDINumCPRegs); - i = armul_rdi.CPread (c, x, (ARMword *) p); - MYwrite_char (kidmum[1], RDP_Return); - for (k = 1, j = 0; k != 0x80000000; k *= 2, j++) - if (k & x) - { - if ((c == 1 || c == 2) && k <= 128) - { - MYwrite_FPword (kidmum[1], q); - q += 16; - } - else - { - MYwrite_word (kidmum[1], *q); - q += 4; - } - } - free (p); - if (i) - MYwrite_char (kidmum[1], (unsigned char) j); - MYwrite_char (kidmum[1], (unsigned char) i); - break; - - case RDP_CPwrite: - /* Write Co-Processor State */ - MYread_char (mumkid[0], &c); /* CPnum */ - MYread_word (mumkid[0], &x); /* mask */ - p = q = (char *) malloc (16 * RDINumCPURegs); - for (k = 1, j = 0; k != 0x80000000; k *= 2, j++) - if (k & x) - { - if ((c == 1 || c == 2) && k <= 128) - { - MYread_FPword (kidmum[1], q); - q += 16; - } - else - { - MYread_word (mumkid[0], (ARMword *) q); - q += 4; - } - } - i = armul_rdi.CPwrite (c, x, (ARMword *) p); - MYwrite_char (kidmum[1], RDP_Return); - MYwrite_char (kidmum[1], (unsigned char) i); - free (p); - break; - - case RDP_SetBreak: - /* Set Breakpoint */ - MYread_word (mumkid[0], &x); /* address */ - MYread_char (mumkid[0], &c); /* type */ - if ((c & 0xf) >= 5) - MYread_word (mumkid[0], &y); /* bound */ - i = armul_rdi.setbreak (x, c, y, &point); - if (!MYrdp_level) - BAG_putpair ((long) x, (long) point); - MYwrite_char (kidmum[1], RDP_Return); - if (MYrdp_level) - MYwrite_word (kidmum[1], point); - MYwrite_char (kidmum[1], (unsigned char) i); - break; - - case RDP_ClearBreak: - /* Clear Breakpoint */ - MYread_word (mumkid[0], &point); /* PointHandle */ - if (!MYrdp_level) - { - BAG_getsecond ((long) point, &outofthebag); /* swap pointhandle for address */ - BAG_killpair_byfirst (outofthebag); - point = outofthebag; - } - i = armul_rdi.clearbreak (point); - MYwrite_char (kidmum[1], RDP_Return); - MYwrite_char (kidmum[1], (unsigned char) i); - break; - - case RDP_SetWatch: - /* Set Watchpoint */ - MYread_word (mumkid[0], &x); /* address */ - MYread_char (mumkid[0], &c); /* type */ - MYread_char (mumkid[0], &d); /* datatype */ - if ((c & 0xf) >= 5) - MYread_word (mumkid[0], &y); /* bound */ - i = armul_rdi.setwatch (x, c, d, y, &point); - MYwrite_char (kidmum[1], RDP_Return); - MYwrite_word (kidmum[1], point); - MYwrite_char (kidmum[1], (unsigned char) i); - break; - - case RDP_ClearWatch: - /* Clear Watchpoint */ - MYread_word (mumkid[0], &point); /* PointHandle */ - i = armul_rdi.clearwatch (point); - MYwrite_char (kidmum[1], RDP_Return); - MYwrite_char (kidmum[1], (unsigned char) i); - break; - - case RDP_Execute: - /* Excecute */ - - MYread_char (mumkid[0], &c); /* return */ - -#ifdef DEBUG - fprintf (stderr, "Starting execution\n"); -#endif - i = armul_rdi.execute (&point); -#ifdef DEBUG - fprintf (stderr, "Completed execution\n"); -#endif - MYwrite_char (kidmum[1], RDP_Return); - if (c & 0x80) - MYwrite_word (kidmum[1], point); - MYwrite_char (kidmum[1], (unsigned char) i); - break; - - case RDP_Step: - /* Step */ - MYread_char (mumkid[0], &c); /* return */ - MYread_word (mumkid[0], &x); /* ninstr */ - point = 0x87654321; - i = armul_rdi.step (x, &point); - MYwrite_char (kidmum[1], RDP_Return); - if (c & 0x80) - MYwrite_word (kidmum[1], point); - MYwrite_char (kidmum[1], (unsigned char) i); - break; - - case RDP_Info: - /* Info */ - MYread_word (mumkid[0], &x); - switch (x) - { - case RDIInfo_Target: - i = armul_rdi.info (RDIInfo_Target, &y, &z); - MYwrite_char (kidmum[1], RDP_Return); - MYwrite_word (kidmum[1], y); /* Loads of info... */ - MYwrite_word (kidmum[1], z); /* Model */ - MYwrite_char (kidmum[1], (unsigned char) i); - break; - - case RDISet_RDILevel: - MYread_word (mumkid[0], &x); /* arg1, debug level */ - i = armul_rdi.info (RDISet_RDILevel, &x, 0); - if (i == RDIError_NoError) - MYrdp_level = x; - MYwrite_char (kidmum[1], RDP_Return); - MYwrite_char (kidmum[1], (unsigned char) i); - break; - - case RDISet_Cmdline: - for (p = command_line; MYread_char (mumkid[0], p), *p; p++) - ; /* String */ - i = armul_rdi.info (RDISet_Cmdline, - (unsigned long *) command_line, 0); - MYwrite_char (kidmum[1], RDP_Return); - MYwrite_char (kidmum[1], (unsigned char) i); - break; - - case RDIInfo_Step: - i = armul_rdi.info (RDIInfo_Step, &x, 0); - MYwrite_char (kidmum[1], RDP_Return); - MYwrite_word (kidmum[1], x); - MYwrite_char (kidmum[1], (unsigned char) i); - break; - - case RDIVector_Catch: - MYread_word (mumkid[0], &x); - i = armul_rdi.info (RDIVector_Catch, &x, 0); - MYwrite_char (kidmum[1], RDP_Return); - MYwrite_char (kidmum[1], i); - break; - - case RDIInfo_Points: - i = armul_rdi.info (RDIInfo_Points, &x, 0); - MYwrite_char (kidmum[1], RDP_Return); - MYwrite_word (kidmum[1], x); - MYwrite_char (kidmum[1], (unsigned char) i); - break; - - default: - fprintf (stderr, "Unsupported info code %d\n", x); - break; - } - break; - - case RDP_OSOpReply: - /* OS Operation Reply */ - MYwrite_char (kidmum[1], RDP_Fatal); - break; - - case RDP_Reset: - /* Reset */ - for (i = 0; i < 50; i++) - MYwrite_char (kidmum[1], RDP_Reset); - p = (char *) malloc (MAXHOSTNAMELENGTH + 5 + 20); - sprintf (p, "Running on %s:%d\n", localhost, socketnumber); - MYwrite_string (kidmum[1], p); - free (p); - - break; - default: - fprintf (stderr, "Oh dear: Something is seriously wrong :-(\n"); - /* Hmm.. bad RDP operation */ - break; - } - } -} - - -/* Handles memory read operations until an OS Operation Reply Message is */ -/* encounterd. It then returns the byte info value (0, 1, or 2) and fills */ -/* in 'putinr0' with the data if appropriate. */ -int -wait_for_osreply (ARMword * reply) -{ - char *p, *q; - int i, j, k; - unsigned char c, d, message; - ARMword x, y, z; - struct sigaction action; - PointHandle point; - Dbg_ConfigBlock config; - Dbg_HostosInterface hostif; - struct Dbg_MCState *MCState; - char command_line[256]; - struct fd_set readfds; - -#ifdef DEBUG - fprintf (stderr, "wait_for_osreply ().\n"); -#endif - - /* Setup a signal handler for SIGUSR1 */ - action.sa_handler = kid_handlesignal; - action.sa_mask = 0; - action.sa_flags = 0; - - sigaction (SIGUSR1, &action, (struct sigaction *) 0); - - while (1) - { - /* Wait for ever */ - FD_ZERO (&readfds); - FD_SET (mumkid[0], &readfds); - - i = select (nfds, &readfds, - (fd_set *) 0, (fd_set *) 0, (struct timeval *) 0); - - if (i < 0) - { - perror ("select"); - } - - if (read (mumkid[0], &message, 1) < 1) - { - perror ("read"); - } - - switch (message) - { - case RDP_Read: - /* Read Memory Address */ - MYread_word (mumkid[0], &x); /* address */ - MYread_word (mumkid[0], &y); /* nbytes */ - p = (char *) malloc (y); - i = armul_rdi.read (x, p, (unsigned *) &y); - MYwrite_char (kidmum[1], RDP_Return); - for (k = 0; k < y; k++) - MYwrite_char (kidmum[1], p[k]); - free (p); - MYwrite_char (kidmum[1], (unsigned char) i); - if (i) - MYwrite_word (kidmum[1], y); /* number of bytes sent without error */ - break; - - case RDP_Write: - /* Write Memory Address */ - MYread_word (mumkid[0], &x); /* address */ - MYread_word (mumkid[0], &y); /* nbytes */ - p = (char *) malloc (y); - for (k = 0; k < y; k++) - MYread_char (mumkid[0], &p[k]); - i = armul_rdi.write (p, x, (unsigned *) &y); - free (p); - MYwrite_char (kidmum[1], RDP_Return); - MYwrite_char (kidmum[1], (unsigned char) i); - if (i) - MYwrite_word (kidmum[1], y); /* number of bytes sent without error */ - break; - - case RDP_OSOpReply: - /* OS Operation Reply */ - MYread_char (mumkid[0], &c); - if (c == 1) - MYread_char (mumkid[0], (char *) reply); - if (c == 2) - MYread_word (mumkid[0], reply); - return c; - break; - - default: - fprintf (stderr, - "HELP! Unaccounted-for message during OS request. \n"); - MYwrite_char (kidmum[1], RDP_Fatal); - } - } -} diff --git a/sim/arm/main.c b/sim/arm/main.c deleted file mode 100644 index c7992908b44..00000000000 --- a/sim/arm/main.c +++ /dev/null @@ -1,194 +0,0 @@ -/* main.c -- top level of ARMulator: ARM6 Instruction Emulator. - Copyright (C) 1994 Advanced RISC Machines Ltd. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -/**********************************************************************/ -/* Forks the ARMulator and hangs on a socket passing on RDP messages */ -/* down a pipe to the ARMulator which translates them into RDI calls. */ -/**********************************************************************/ - -#include <stdio.h> -#include <string.h> -#include <sys/types.h> -#include <sys/socket.h> -#include <netinet/in.h> -#include <signal.h> -#include <netdb.h> -#include <unistd.h> - -#include "armdefs.h" -#include "dbg_rdi.h" -#include "dbg_conf.h" - -#define MAXHOSTNAMELENGTH 64 - -/* Read and write routines down sockets and pipes */ - -void MYread_chars (int sock, void *p, int n); -unsigned char MYread_char (int sock); -ARMword MYread_word (int sock); -void MYread_FPword (int sock, char *putinhere); - -void MYwrite_word (int sock, ARMword i); -void MYwrite_string (int sock, char *s); -void MYwrite_FPword (int sock, char *fromhere); -void MYwrite_char (int sock, unsigned char c); - -void passon (int source, int dest, int n); - - -/* Mother and child processes */ -void parent (void); -void kid (void); - -/* The child process id. */ -pid_t child; - -/* The socket to the debugger */ -int debugsock; - -/* The pipes between the two processes */ -int mumkid[2]; -int kidmum[2]; - -/* A pipe for handling SWI return values that goes straight from the */ -/* parent to the ARMulator host interface, bypassing the childs RDP */ -/* to RDI interpreter */ -int DebuggerARMul[2]; - -/* The maximum number of file descriptors */ -int nfds; - -/* The socket handle */ -int sockethandle; - -/* The machine name */ -char localhost[MAXHOSTNAMELENGTH + 1]; - -/* The socket number */ -unsigned int socketnumber; - -/**************************************************************/ -/* Takes one argument: the socket number. */ -/* Opens a socket to the debugger, and once opened spawns the */ -/* ARMulator and sets up a couple of pipes. */ -/**************************************************************/ -int -main (int argc, char *argv[]) -{ - int i; - struct sockaddr_in devil, isa; - struct hostent *hp; - - - if (argc == 1) - { - fprintf (stderr, "No socket number\n"); - return 1; - } - - sscanf (argv[1], "%d", &socketnumber); - if (!socketnumber || socketnumber > 0xffff) - { - fprintf (stderr, "Invalid socket number: %d\n", socketnumber); - return 1; - } - - gethostname (localhost, MAXHOSTNAMELENGTH); - hp = gethostbyname (localhost); - if (!hp) - { - fprintf (stderr, "Cannot get local host info\n"); - return 1; - } - - /* Open a socket */ - sockethandle = socket (hp->h_addrtype, SOCK_STREAM, 0); - if (sockethandle < 0) - { - perror ("socket"); - return 1; - } - - devil.sin_family = hp->h_addrtype; - devil.sin_port = htons (socketnumber); - devil.sin_addr.s_addr = 0; - for (i = 0; i < sizeof (devil.sin_zero); i++) - devil.sin_zero[i] = '\000'; - memcpy (&devil.sin_addr, hp->h_addr_list[0], hp->h_length); - - if (bind (sockethandle, &devil, sizeof (devil)) < 0) - { - perror ("bind"); - return 1; - } - - /* May only accept one debugger at once */ - - if (listen (sockethandle, 0)) - { - perror ("listen"); - return 1; - } - - fprintf (stderr, "Waiting for connection from debugger..."); - - debugsock = accept (sockethandle, &isa, &i); - if (debugsock < 0) - { - perror ("accept"); - return 1; - } - - fprintf (stderr, " done.\nConnection Established.\n"); - - nfds = getdtablesize (); - - if (pipe (mumkid)) - { - perror ("pipe"); - return 1; - } - if (pipe (kidmum)) - { - perror ("pipe"); - return 1; - } - - if (pipe (DebuggerARMul)) - { - perror ("pipe"); - return 1; - } - -#ifdef DEBUG - fprintf (stderr, "Created pipes ok\n"); -#endif - - child = fork (); - -#ifdef DEBUG - fprintf (stderr, "fork() ok\n"); -#endif - - if (child == 0) - kid (); - if (child != -1) - parent (); - - perror ("fork"); - return 1; -} diff --git a/sim/arm/parent.c b/sim/arm/parent.c deleted file mode 100644 index 684af842895..00000000000 --- a/sim/arm/parent.c +++ /dev/null @@ -1,481 +0,0 @@ -/* parent.c -- ARMulator RDP comms code: ARM6 Instruction Emulator. - Copyright (C) 1994 Advanced RISC Machines Ltd. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -/*****************************************************************/ -/* The Parent process continues here... */ -/* It waits on the socket and passes on RDP messages down a pipe */ -/* to the ARMulator RDP to RDI interpreter. */ -/*****************************************************************/ - -#include <stdio.h> -#include <sys/types.h> -#include <signal.h> -#include "time.h" -#include "armdefs.h" -#include "dbg_rdi.h" -#include "communicate.h" - -/* The socket to the debugger */ -extern int debugsock; - -/* The pipes between the two processes */ -extern int mumkid[2]; -extern int kidmum[2]; - -/* A pipe for handling SWI return values that goes straight from the */ -/* parent to the ARMulator host interface, bypassing the child's RDP */ -/* to RDI interpreter */ -extern int DebuggerARMul[2]; - -/* The maximum number of file descriptors */ -extern int nfds; - -/* The child process id. */ -extern pid_t child; - -void -parent () -{ - int i, j, k; - unsigned char message, CPnum, exreturn; - ARMword mask, nbytes, messagetype; - unsigned char c, d; - ARMword x, y; - int virgin = 1; - struct fd_set readfds; - -#ifdef DEBUG - fprintf (stderr, "parent ()...\n"); -#endif - -panic_error: - - if (!virgin) - { -#ifdef DEBUG - fprintf (stderr, "Arghh! What is going on?\n"); -#endif - kill (child, SIGHUP); - MYwrite_char (debugsock, RDP_Reset); - } - - virgin = 0; - - while (1) - { - - /* Wait either for the ARMulator or the debugger */ - - FD_ZERO (&readfds); - FD_SET (kidmum[0], &readfds); /* Wait for messages from ARMulator */ - FD_SET (debugsock, &readfds); /* Wait for messages from debugger */ - -#ifdef DEBUG - fprintf (stderr, "Waiting for ARMulator or debugger... "); -#endif - - while ((i = select (nfds, &readfds, (fd_set *) 0, (fd_set *) 0, 0)) < 0) - { - perror ("select"); - } - -#ifdef DEBUG - fprintf (stderr, "(%d/2)", i); -#endif - - if (FD_ISSET (debugsock, &readfds)) - { -#ifdef DEBUG - fprintf (stderr, "->debugger\n"); -#endif - - /* Inside this rather large if statement with simply pass on a complete - message to the ARMulator. The reason we need to pass messages on one - at a time is that we have to know whether the message is an OSOpReply - or an info(stop), so that we can take different action in those - cases. */ - - if (MYread_char (debugsock, &message)) - goto panic_error; - - switch (message) - { - case RDP_Start: - /* Open and/or Initialise */ -#ifdef DEBUG - fprintf (stderr, "RDP Open\n"); -#endif - if (MYread_char (debugsock, &c)) /* type */ - goto panic_error; - - if (MYread_word (debugsock, &x)) /* memory size */ - goto panic_error; - - MYwrite_char (mumkid[1], message); - MYwrite_char (mumkid[1], c); - MYwrite_word (mumkid[1], x); - if (c & 0x2) - { - passon (debugsock, mumkid[1], 1); /* speed */ - } - break; - - case RDP_End: - /* Close and Finalise */ -#ifdef DEBUG - fprintf (stderr, "RDP Close\n"); -#endif - MYwrite_char (mumkid[1], message); - break; - - case RDP_Read: - /* Read Memory Address */ -#ifdef DEBUG - fprintf (stderr, "RDP Read Memory\n"); -#endif - MYwrite_char (mumkid[1], message); - if (passon (debugsock, mumkid[1], 4)) - goto panic_error; /* address */ - if (MYread_word (debugsock, &nbytes)) - goto panic_error; /* nbytes */ - MYwrite_word (mumkid[1], nbytes); - break; - - case RDP_Write: - /* Write Memory Address */ -#ifdef DEBUG - fprintf (stderr, "RDP Write Memory\n"); -#endif - if (MYread_word (debugsock, &x)) - goto panic_error; /* address */ - - if (MYread_word (debugsock, &y)) - goto panic_error; /* nbytes */ - - MYwrite_char (mumkid[1], message); - MYwrite_word (mumkid[1], x); - MYwrite_word (mumkid[1], y); - passon (debugsock, mumkid[1], y); /* actual data */ - break; - - case RDP_CPUread: - /* Read CPU State */ -#ifdef DEBUG - fprintf (stderr, "RDP Read CPU\n"); -#endif - if (MYread_char (debugsock, &c)) - goto panic_error; /* mode */ - - if (MYread_word (debugsock, &mask)) - goto panic_error; /* mask */ - - MYwrite_char (mumkid[1], message); - MYwrite_char (mumkid[1], c); - MYwrite_word (mumkid[1], mask); - break; - - case RDP_CPUwrite: - /* Write CPU State */ -#ifdef DEBUG - fprintf (stderr, "RDP Write CPU\n"); -#endif - if (MYread_char (debugsock, &c)) - goto panic_error; /* mode */ - - if (MYread_word (debugsock, &x)) - goto panic_error; /* mask */ - - MYwrite_char (mumkid[1], message); - MYwrite_char (mumkid[1], c); - MYwrite_word (mumkid[1], x); - for (k = 1, j = 0; k != 0x80000000; k *= 2, j++) - if ((k & x) && passon (debugsock, mumkid[1], 4)) - goto panic_error; - break; - - case RDP_CPread: - /* Read Co-Processor State */ -#ifdef DEBUG - fprintf (stderr, "RDP Read CP state\n"); -#endif - if (MYread_char (debugsock, &CPnum)) - goto panic_error; - - if (MYread_word (debugsock, &mask)) - goto panic_error; - - MYwrite_char (mumkid[1], message); - MYwrite_char (mumkid[1], CPnum); - MYwrite_word (mumkid[1], mask); - break; - - case RDP_CPwrite: - /* Write Co-Processor State */ -#ifdef DEBUG - fprintf (stderr, "RDP Write CP state\n"); -#endif - if (MYread_char (debugsock, &CPnum)) - goto panic_error; - - if (MYread_word (debugsock, &mask)) - goto panic_error; - - MYwrite_char (mumkid[1], message); - MYwrite_char (mumkid[1], c); - MYwrite_char (mumkid[1], x); - for (k = 1, j = 0; k != 0x80000000; k *= 2, j++) - if (k & x) - { - if ((c == 1 || c == 2) && k <= 128) - { - /* FP register = 12 bytes + 4 bytes format */ - if (passon (debugsock, mumkid[1], 16)) - goto panic_error; - } - else - { - /* Normal register = 4 bytes */ - if (passon (debugsock, mumkid[1], 4)) - goto panic_error; - } - } - break; - - case RDP_SetBreak: - /* Set Breakpoint */ -#ifdef DEBUG - fprintf (stderr, "RDP Set Breakpoint\n"); -#endif - if (MYread_word (debugsock, &x)) - goto panic_error; /* address */ - - if (MYread_char (debugsock, &c)) - goto panic_error; /* type */ - - MYwrite_char (mumkid[1], message); - MYwrite_word (mumkid[1], x); - MYwrite_char (mumkid[1], c); - if (((c & 0xf) >= 5) && passon (debugsock, mumkid[1], 4)) - goto panic_error; /* bound */ - break; - - case RDP_ClearBreak: - /* Clear Breakpoint */ -#ifdef DEBUG - fprintf (stderr, "RDP Clear Breakpoint\n"); -#endif - MYwrite_char (mumkid[1], message); - if (passon (debugsock, mumkid[1], 4)) - goto panic_error; /* point */ - break; - - case RDP_SetWatch: - /* Set Watchpoint */ -#ifdef DEBUG - fprintf (stderr, "RDP Set Watchpoint\n"); -#endif - if (MYread_word (debugsock, &x)) - goto panic_error; /* address */ - - if (MYread_char (debugsock, &c)) - goto panic_error; /* type */ - - if (MYread_char (debugsock, &d)) - goto panic_error; /* datatype */ - - MYwrite_char (mumkid[1], message); - MYwrite_word (mumkid[1], x); - MYwrite_char (mumkid[1], c); - MYwrite_char (mumkid[1], d); - if (((c & 0xf) >= 5) && passon (debugsock, mumkid[1], 4)) - goto panic_error; /* bound */ - break; - - case RDP_ClearWatch: - /* Clear Watchpoint */ -#ifdef DEBUG - fprintf (stderr, "RDP Clear Watchpoint\n"); -#endif - MYwrite_char (mumkid[1], message); - if (passon (debugsock, mumkid[1], 4)) - goto panic_error; /* point */ - break; - - case RDP_Execute: - /* Excecute */ -#ifdef DEBUG - fprintf (stderr, "RDP Execute\n"); -#endif - - /* LEAVE THIS ONE 'TIL LATER... */ - /* NEED TO WORK THINGS OUT */ - - /* NO ASCYNCHROUS RUNNING */ - - if (MYread_char (debugsock, &c)) - goto panic_error; /* return */ - - /* Remember incase bit 7 is set and we have to send back a word */ - exreturn = c; - - MYwrite_char (mumkid[1], message); - MYwrite_char (mumkid[1], c); - break; - - case RDP_Step: - /* Step */ -#ifdef DEBUG - fprintf (stderr, "RDP Step\n"); -#endif - - if (MYread_char (debugsock, &c)) - goto panic_error; /* return */ - - if (MYread_word (debugsock, &x)) - goto panic_error; /* ninstr */ - - MYwrite_char (mumkid[1], message); - MYwrite_char (mumkid[1], c); - MYwrite_word (mumkid[1], x); - break; - - case RDP_Info: - /* Info */ -#ifdef DEBUG - fprintf (stderr, "RDP Info\n"); -#endif - /* INFO TARGET, SET RDI LEVEL */ - if (MYread_word (debugsock, &messagetype)) - goto panic_error; /* info */ - - switch (messagetype) - { - case RDIInfo_Target: - MYwrite_char (mumkid[1], message); - MYwrite_word (mumkid[1], messagetype); - break; - - case RDISet_RDILevel: - MYwrite_char (mumkid[1], message); - MYwrite_word (mumkid[1], messagetype); - if (passon (debugsock, mumkid[1], 1)) - goto panic_error; /* argument */ - break; - - case RDISet_Cmdline: - /* Got to pass on a string argument */ - MYwrite_char (mumkid[1], message); - MYwrite_word (mumkid[1], messagetype); - do - { - if (MYread_char (debugsock, &c)) - goto panic_error; - - MYwrite_char (mumkid[1], c); - } - while (c); - break; - - case RDISignal_Stop: - kill (child, SIGUSR1); - MYwrite_char (debugsock, RDP_Return); - MYwrite_char (debugsock, RDIError_UserInterrupt); - break; - - case RDIVector_Catch: - MYread_word (debugsock, &x); - MYwrite_char (mumkid[1], message); - MYwrite_word (mumkid[1], messagetype); - MYwrite_word (mumkid[1], x); - break; - - case RDIInfo_Step: - MYwrite_char (mumkid[1], message); - MYwrite_word (mumkid[1], messagetype); - break; - - case RDIInfo_Points: - MYwrite_char (mumkid[1], message); - MYwrite_word (mumkid[1], messagetype); - break; - - default: - fprintf (stderr, "Unrecognized RDIInfo request %d\n", - messagetype); - goto panic_error; - } - break; - - case RDP_OSOpReply: - /* OS Operation Reply */ -#ifdef DEBUG - fprintf (stderr, "RDP OS Reply\n"); -#endif - MYwrite_char (mumkid[1], message); - if (MYread_char (debugsock, &message)) - goto panic_error; - MYwrite_char (mumkid[1], message); - switch (message) - { - case 0: /* return value i.e. nothing else. */ - break; - - case 1: /* returns a byte... */ - if (MYread_char (debugsock, &c)) - goto panic_error; - - MYwrite_char (mumkid[1], c); - break; - - case 2: /* returns a word... */ - if (MYread_word (debugsock, &x)) - goto panic_error; - - MYwrite_word (mumkid[1], x); - break; - } - break; - - case RDP_Reset: - /* Reset */ -#ifdef DEBUG - fprintf (stderr, "RDP Reset\n"); -#endif - MYwrite_char (mumkid[1], message); - break; - - default: - /* Hmm.. bad RDP operation */ - fprintf (stderr, "RDP Bad RDP request (%d)\n", message); - MYwrite_char (debugsock, RDP_Return); - MYwrite_char (debugsock, RDIError_UnimplementedMessage); - break; - } - } - - if (FD_ISSET (kidmum[0], &readfds)) - { -#ifdef DEBUG - fprintf (stderr, "->ARMulator\n"); -#endif - /* Anything we get from the ARMulator has to go to the debugger... */ - /* It is that simple! */ - - passon (kidmum[0], debugsock, 1); - } - } -} diff --git a/sim/arm/tconfig.in b/sim/arm/tconfig.in deleted file mode 100644 index 04f702d5a4e..00000000000 --- a/sim/arm/tconfig.in +++ /dev/null @@ -1,17 +0,0 @@ -/* ARM target configuration file. */ - -/* Define this if the simulator supports profiling. - See the mips simulator for an example. - This enables the `-p foo' and `-s bar' options. - The target is required to provide sim_set_profile{,_size}. */ -/* #define SIM_HAVE_PROFILE */ - -/* Define this if the simulator uses an instruction cache. - See the h8/300 simulator for an example. - This enables the `-c size' option to set the size of the cache. - The target is required to provide sim_set_simcache_size. */ -/* #define SIM_HAVE_SIMCACHE */ - -/* Define this if the target cpu is bi-endian - and the simulator supports it. */ -#define SIM_HAVE_BIENDIAN diff --git a/sim/arm/thumbemu.c b/sim/arm/thumbemu.c deleted file mode 100644 index 4f007333363..00000000000 --- a/sim/arm/thumbemu.c +++ /dev/null @@ -1,559 +0,0 @@ -/* thumbemu.c -- Thumb instruction emulation. - Copyright (C) 1996, Cygnus Software Technologies Ltd. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -/* We can provide simple Thumb simulation by decoding the Thumb -instruction into its corresponding ARM instruction, and using the -existing ARM simulator. */ - -#ifndef MODET /* required for the Thumb instruction support */ -#if 1 -#error "MODET needs to be defined for the Thumb world to work" -#else -#define MODET (1) -#endif -#endif - -#include "armdefs.h" -#include "armemu.h" -#include "armos.h" - -/* Decode a 16bit Thumb instruction. The instruction is in the low - 16-bits of the tinstr field, with the following Thumb instruction - held in the high 16-bits. Passing in two Thumb instructions allows - easier simulation of the special dual BL instruction. */ - -tdstate ARMul_ThumbDecode (state, pc, tinstr, ainstr) - ARMul_State * - state; - ARMword - pc; - ARMword - tinstr; - ARMword * - ainstr; -{ - tdstate valid = t_decoded; /* default assumes a valid instruction */ - ARMword next_instr; - - if (state->bigendSig) - { - next_instr = tinstr & 0xFFFF; - tinstr >>= 16; - } - else - { - next_instr = tinstr >> 16; - tinstr &= 0xFFFF; - } - -#if 1 /* debugging to catch non updates */ - *ainstr = 0xDEADC0DE; -#endif - - switch ((tinstr & 0xF800) >> 11) - { - case 0: /* LSL */ - case 1: /* LSR */ - case 2: /* ASR */ - /* Format 1 */ - *ainstr = 0xE1B00000 /* base opcode */ - | ((tinstr & 0x1800) >> (11 - 5)) /* shift type */ - | ((tinstr & 0x07C0) << (7 - 6)) /* imm5 */ - | ((tinstr & 0x0038) >> 3) /* Rs */ - | ((tinstr & 0x0007) << 12); /* Rd */ - break; - case 3: /* ADD/SUB */ - /* Format 2 */ - { - ARMword subset[4] = { - 0xE0900000, /* ADDS Rd,Rs,Rn */ - 0xE0500000, /* SUBS Rd,Rs,Rn */ - 0xE2900000, /* ADDS Rd,Rs,#imm3 */ - 0xE2500000 /* SUBS Rd,Rs,#imm3 */ - }; - /* It is quicker indexing into a table, than performing switch - or conditionals: */ - *ainstr = subset[(tinstr & 0x0600) >> 9] /* base opcode */ - | ((tinstr & 0x01C0) >> 6) /* Rn or imm3 */ - | ((tinstr & 0x0038) << (16 - 3)) /* Rs */ - | ((tinstr & 0x0007) << (12 - 0)); /* Rd */ - } - break; - case 4: /* MOV */ - case 5: /* CMP */ - case 6: /* ADD */ - case 7: /* SUB */ - /* Format 3 */ - { - ARMword subset[4] = { - 0xE3B00000, /* MOVS Rd,#imm8 */ - 0xE3500000, /* CMP Rd,#imm8 */ - 0xE2900000, /* ADDS Rd,Rd,#imm8 */ - 0xE2500000, /* SUBS Rd,Rd,#imm8 */ - }; - *ainstr = subset[(tinstr & 0x1800) >> 11] /* base opcode */ - | ((tinstr & 0x00FF) >> 0) /* imm8 */ - | ((tinstr & 0x0700) << (16 - 8)) /* Rn */ - | ((tinstr & 0x0700) << (12 - 8)); /* Rd */ - } - break; - case 8: /* Arithmetic and high register transfers */ - /* TODO: Since the subsets for both Format 4 and Format 5 - instructions are made up of different ARM encodings, we could - save the following conditional, and just have one large - subset. */ - if ((tinstr & (1 << 10)) == 0) - { - /* Format 4 */ - struct - { - ARMword opcode; - enum - { t_norm, t_shift, t_neg, t_mul } - otype; - } - subset[16] = - { - { 0xE0100000, t_norm}, /* ANDS Rd,Rd,Rs */ - { 0xE0300000, t_norm}, /* EORS Rd,Rd,Rs */ - { 0xE1B00010, t_shift}, /* MOVS Rd,Rd,LSL Rs */ - { 0xE1B00030, t_shift}, /* MOVS Rd,Rd,LSR Rs */ - { 0xE1B00050, t_shift}, /* MOVS Rd,Rd,ASR Rs */ - { 0xE0B00000, t_norm}, /* ADCS Rd,Rd,Rs */ - { 0xE0D00000, t_norm}, /* SBCS Rd,Rd,Rs */ - { 0xE1B00070, t_shift}, /* MOVS Rd,Rd,ROR Rs */ - { 0xE1100000, t_norm}, /* TST Rd,Rs */ - { 0xE2700000, t_neg}, /* RSBS Rd,Rs,#0 */ - { 0xE1500000, t_norm}, /* CMP Rd,Rs */ - { 0xE1700000, t_norm}, /* CMN Rd,Rs */ - { 0xE1900000, t_norm}, /* ORRS Rd,Rd,Rs */ - { 0xE0100090, t_mul} , /* MULS Rd,Rd,Rs */ - { 0xE1D00000, t_norm}, /* BICS Rd,Rd,Rs */ - { 0xE1F00000, t_norm} /* MVNS Rd,Rs */ - }; - *ainstr = subset[(tinstr & 0x03C0) >> 6].opcode; /* base */ - switch (subset[(tinstr & 0x03C0) >> 6].otype) - { - case t_norm: - *ainstr |= ((tinstr & 0x0007) << 16) /* Rn */ - | ((tinstr & 0x0007) << 12) /* Rd */ - | ((tinstr & 0x0038) >> 3); /* Rs */ - break; - case t_shift: - *ainstr |= ((tinstr & 0x0007) << 12) /* Rd */ - | ((tinstr & 0x0007) >> 0) /* Rm */ - | ((tinstr & 0x0038) << (8 - 3)); /* Rs */ - break; - case t_neg: - *ainstr |= ((tinstr & 0x0007) << 12) /* Rd */ - | ((tinstr & 0x0038) << (16 - 3)); /* Rn */ - break; - case t_mul: - *ainstr |= ((tinstr & 0x0007) << 16) /* Rd */ - | ((tinstr & 0x0007) << 8) /* Rs */ - | ((tinstr & 0x0038) >> 3); /* Rm */ - break; - } - } - else - { - /* Format 5 */ - ARMword Rd = ((tinstr & 0x0007) >> 0); - ARMword Rs = ((tinstr & 0x0038) >> 3); - if (tinstr & (1 << 7)) - Rd += 8; - if (tinstr & (1 << 6)) - Rs += 8; - switch ((tinstr & 0x03C0) >> 6) - { - case 0x1: /* ADD Rd,Rd,Hs */ - case 0x2: /* ADD Hd,Hd,Rs */ - case 0x3: /* ADD Hd,Hd,Hs */ - *ainstr = 0xE0800000 /* base */ - | (Rd << 16) /* Rn */ - | (Rd << 12) /* Rd */ - | (Rs << 0); /* Rm */ - break; - case 0x5: /* CMP Rd,Hs */ - case 0x6: /* CMP Hd,Rs */ - case 0x7: /* CMP Hd,Hs */ - *ainstr = 0xE1500000 /* base */ - | (Rd << 16) /* Rn */ - | (Rd << 12) /* Rd */ - | (Rs << 0); /* Rm */ - break; - case 0x9: /* MOV Rd,Hs */ - case 0xA: /* MOV Hd,Rs */ - case 0xB: /* MOV Hd,Hs */ - *ainstr = 0xE1A00000 /* base */ - | (Rd << 16) /* Rn */ - | (Rd << 12) /* Rd */ - | (Rs << 0); /* Rm */ - break; - case 0xC: /* BX Rs */ - case 0xD: /* BX Hs */ - *ainstr = 0xE12FFF10 /* base */ - | ((tinstr & 0x0078) >> 3); /* Rd */ - break; - case 0xE: /* UNDEFINED */ - case 0xF: /* UNDEFINED */ - if (state->is_v5) - { - /* BLX Rs; BLX Hs */ - *ainstr = 0xE12FFF30 /* base */ - | ((tinstr & 0x0078) >> 3); /* Rd */ - break; - } - /* Drop through. */ - case 0x0: /* UNDEFINED */ - case 0x4: /* UNDEFINED */ - case 0x8: /* UNDEFINED */ - valid = t_undefined; - break; - } - } - break; - case 9: /* LDR Rd,[PC,#imm8] */ - /* Format 6 */ - *ainstr = 0xE59F0000 /* base */ - | ((tinstr & 0x0700) << (12 - 8)) /* Rd */ - | ((tinstr & 0x00FF) << (2 - 0)); /* off8 */ - break; - case 10: - case 11: - /* TODO: Format 7 and Format 8 perform the same ARM encoding, so - the following could be merged into a single subset, saving on - the following boolean: */ - if ((tinstr & (1 << 9)) == 0) - { - /* Format 7 */ - ARMword subset[4] = { - 0xE7800000, /* STR Rd,[Rb,Ro] */ - 0xE7C00000, /* STRB Rd,[Rb,Ro] */ - 0xE7900000, /* LDR Rd,[Rb,Ro] */ - 0xE7D00000 /* LDRB Rd,[Rb,Ro] */ - }; - *ainstr = subset[(tinstr & 0x0C00) >> 10] /* base */ - | ((tinstr & 0x0007) << (12 - 0)) /* Rd */ - | ((tinstr & 0x0038) << (16 - 3)) /* Rb */ - | ((tinstr & 0x01C0) >> 6); /* Ro */ - } - else - { - /* Format 8 */ - ARMword subset[4] = { - 0xE18000B0, /* STRH Rd,[Rb,Ro] */ - 0xE19000D0, /* LDRSB Rd,[Rb,Ro] */ - 0xE19000B0, /* LDRH Rd,[Rb,Ro] */ - 0xE19000F0 /* LDRSH Rd,[Rb,Ro] */ - }; - *ainstr = subset[(tinstr & 0x0C00) >> 10] /* base */ - | ((tinstr & 0x0007) << (12 - 0)) /* Rd */ - | ((tinstr & 0x0038) << (16 - 3)) /* Rb */ - | ((tinstr & 0x01C0) >> 6); /* Ro */ - } - break; - case 12: /* STR Rd,[Rb,#imm5] */ - case 13: /* LDR Rd,[Rb,#imm5] */ - case 14: /* STRB Rd,[Rb,#imm5] */ - case 15: /* LDRB Rd,[Rb,#imm5] */ - /* Format 9 */ - { - ARMword subset[4] = { - 0xE5800000, /* STR Rd,[Rb,#imm5] */ - 0xE5900000, /* LDR Rd,[Rb,#imm5] */ - 0xE5C00000, /* STRB Rd,[Rb,#imm5] */ - 0xE5D00000 /* LDRB Rd,[Rb,#imm5] */ - }; - /* The offset range defends on whether we are transferring a - byte or word value: */ - *ainstr = subset[(tinstr & 0x1800) >> 11] /* base */ - | ((tinstr & 0x0007) << (12 - 0)) /* Rd */ - | ((tinstr & 0x0038) << (16 - 3)) /* Rb */ - | ((tinstr & 0x07C0) >> (6 - ((tinstr & (1 << 12)) ? 0 : 2))); /* off5 */ - } - break; - case 16: /* STRH Rd,[Rb,#imm5] */ - case 17: /* LDRH Rd,[Rb,#imm5] */ - /* Format 10 */ - *ainstr = ((tinstr & (1 << 11)) /* base */ - ? 0xE1D000B0 /* LDRH */ - : 0xE1C000B0) /* STRH */ - | ((tinstr & 0x0007) << (12 - 0)) /* Rd */ - | ((tinstr & 0x0038) << (16 - 3)) /* Rb */ - | ((tinstr & 0x01C0) >> (6 - 1)) /* off5, low nibble */ - | ((tinstr & 0x0600) >> (9 - 8)); /* off5, high nibble */ - break; - case 18: /* STR Rd,[SP,#imm8] */ - case 19: /* LDR Rd,[SP,#imm8] */ - /* Format 11 */ - *ainstr = ((tinstr & (1 << 11)) /* base */ - ? 0xE59D0000 /* LDR */ - : 0xE58D0000) /* STR */ - | ((tinstr & 0x0700) << (12 - 8)) /* Rd */ - | ((tinstr & 0x00FF) << 2); /* off8 */ - break; - case 20: /* ADD Rd,PC,#imm8 */ - case 21: /* ADD Rd,SP,#imm8 */ - /* Format 12 */ - if ((tinstr & (1 << 11)) == 0) - { - /* NOTE: The PC value used here should by word aligned */ - /* We encode shift-left-by-2 in the rotate immediate field, - so no shift of off8 is needed. */ - *ainstr = 0xE28F0F00 /* base */ - | ((tinstr & 0x0700) << (12 - 8)) /* Rd */ - | (tinstr & 0x00FF); /* off8 */ - } - else - { - /* We encode shift-left-by-2 in the rotate immediate field, - so no shift of off8 is needed. */ - *ainstr = 0xE28D0F00 /* base */ - | ((tinstr & 0x0700) << (12 - 8)) /* Rd */ - | (tinstr & 0x00FF); /* off8 */ - } - break; - case 22: - case 23: - switch (tinstr & 0x0F00) - { - case 0x0000: - /* Format 13 */ - /* NOTE: The instruction contains a shift left of 2 - equivalent (implemented as ROR #30): */ - *ainstr = ((tinstr & (1 << 7)) /* base */ - ? 0xE24DDF00 /* SUB */ - : 0xE28DDF00) /* ADD */ - | (tinstr & 0x007F); /* off7 */ - break; - case 0x0400: - /* Format 14 - Push */ - * ainstr = 0xE92D0000 | (tinstr & 0x00FF); - break; - case 0x0500: - /* Format 14 - Push + LR */ - * ainstr = 0xE92D4000 | (tinstr & 0x00FF); - break; - case 0x0c00: - /* Format 14 - Pop */ - * ainstr = 0xE8BD0000 | (tinstr & 0x00FF); - break; - case 0x0d00: - /* Format 14 - Pop + PC */ - * ainstr = 0xE8BD8000 | (tinstr & 0x00FF); - break; - case 0x0e00: - if (state->is_v5) - { - /* This is normally an undefined instruction. The v5t architecture - defines this particular pattern as a BKPT instruction, for - hardware assisted debugging. We map onto the arm BKPT - instruction. */ - * ainstr = 0xE1200070 | ((tinstr & 0xf0) << 4) | (tinstr & 0xf); - break; - } - /* Drop through. */ - default: - /* Everything else is an undefined instruction. */ - valid = t_undefined; - break; - } - break; - case 24: /* STMIA */ - case 25: /* LDMIA */ - /* Format 15 */ - *ainstr = ((tinstr & (1 << 11)) /* base */ - ? 0xE8B00000 /* LDMIA */ - : 0xE8A00000) /* STMIA */ - | ((tinstr & 0x0700) << (16 - 8)) /* Rb */ - | (tinstr & 0x00FF); /* mask8 */ - break; - case 26: /* Bcc */ - case 27: /* Bcc/SWI */ - if ((tinstr & 0x0F00) == 0x0F00) - { - /* Format 17 : SWI */ - *ainstr = 0xEF000000; - /* Breakpoint must be handled specially. */ - if ((tinstr & 0x00FF) == 0x18) - *ainstr |= ((tinstr & 0x00FF) << 16); - /* New breakpoint value. See gdb/arm-tdep.c */ - else if ((tinstr & 0x00FF) == 0xFE) - *ainstr |= SWI_Breakpoint; - else - *ainstr |= (tinstr & 0x00FF); - } - else if ((tinstr & 0x0F00) != 0x0E00) - { - /* Format 16 */ - int doit = FALSE; - /* TODO: Since we are doing a switch here, we could just add - the SWI and undefined instruction checks into this - switch to same on a couple of conditionals: */ - switch ((tinstr & 0x0F00) >> 8) - { - case EQ: - doit = ZFLAG; - break; - case NE: - doit = !ZFLAG; - break; - case VS: - doit = VFLAG; - break; - case VC: - doit = !VFLAG; - break; - case MI: - doit = NFLAG; - break; - case PL: - doit = !NFLAG; - break; - case CS: - doit = CFLAG; - break; - case CC: - doit = !CFLAG; - break; - case HI: - doit = (CFLAG && !ZFLAG); - break; - case LS: - doit = (!CFLAG || ZFLAG); - break; - case GE: - doit = ((!NFLAG && !VFLAG) || (NFLAG && VFLAG)); - break; - case LT: - doit = ((NFLAG && !VFLAG) || (!NFLAG && VFLAG)); - break; - case GT: - doit = ((!NFLAG && !VFLAG && !ZFLAG) - || (NFLAG && VFLAG && !ZFLAG)); - break; - case LE: - doit = ((NFLAG && !VFLAG) || (!NFLAG && VFLAG)) || ZFLAG; - break; - } - if (doit) - { - state->Reg[15] = (pc + 4 - + (((tinstr & 0x7F) << 1) - | ((tinstr & (1 << 7)) ? 0xFFFFFF00 : 0))); - FLUSHPIPE; - } - valid = t_branch; - } - else /* UNDEFINED : cc=1110(AL) uses different format */ - valid = t_undefined; - break; - case 28: /* B */ - /* Format 18 */ - state->Reg[15] = (pc + 4 - + (((tinstr & 0x3FF) << 1) - | ((tinstr & (1 << 10)) ? 0xFFFFF800 : 0))); - FLUSHPIPE; - valid = t_branch; - break; - case 29: /* UNDEFINED */ - if (state->is_v5) - { - if (tinstr & 1) - { - valid = t_undefined; - break; - } - /* Drop through. */ - - /* Format 19 */ - /* There is no single ARM instruction equivalent for this - instruction. Also, it should only ever be matched with the - fmt19 "BL/BLX instruction 1" instruction. However, we do - allow the simulation of it on its own, with undefined results - if r14 is not suitably initialised. */ - { - ARMword tmp = (pc + 2); - - state->Reg[15] = ((state->Reg[14] + ((tinstr & 0x07FF) << 1)) - & 0xFFFFFFFC); - CLEART; - state->Reg[14] = (tmp | 1); - valid = t_branch; - FLUSHPIPE; - break; - } - } - valid = t_undefined; - break; - case 30: /* BL instruction 1 */ - /* Format 19 */ - /* There is no single ARM instruction equivalent for this Thumb - instruction. To keep the simulation simple (from the user - perspective) we check if the following instruction is the - second half of this BL, and if it is we simulate it - immediately. */ - state->Reg[14] = state->Reg[15] \ - +(((tinstr & 0x07FF) << 12) \ - |((tinstr & (1 << 10)) ? 0xFF800000 : 0)); - valid = t_branch; /* in-case we don't have the 2nd half */ - tinstr = next_instr; /* move the instruction down */ - pc += 2; /* point the pc at the 2nd half */ - if (((tinstr & 0xF800) >> 11) != 31) - { - if (((tinstr & 0xF800) >> 11) == 29) - { - ARMword tmp = (pc + 2); - - /* Bit one of the destination address comes from bit one of the - address of the first (H == 10) half of the instruction, not - from the offset in the instruction. */ - state->Reg[15] = ((state->Reg[14] - + ((tinstr & 0x07FE) << 1) - + ((pc - 2) & 2)) - & 0xFFFFFFFC); - CLEART; - state->Reg[14] = (tmp | 1); - valid = t_branch; - FLUSHPIPE; - } - else - /* Exit, since not correct instruction. */ - pc -= 2; - break; - } - /* else we fall through to process the second half of the BL */ - case 31: /* BL instruction 2 */ - /* Format 19 */ - /* There is no single ARM instruction equivalent for this - instruction. Also, it should only ever be matched with the - fmt19 "BL instruction 1" instruction. However, we do allow - the simulation of it on its own, with undefined results if - r14 is not suitably initialised. */ - { - ARMword tmp = (pc + 2); - state->Reg[15] = (state->Reg[14] + ((tinstr & 0x07FF) << 1)); - state->Reg[14] = (tmp | 1); - valid = t_branch; - FLUSHPIPE; - } - break; - } - - return valid; -} diff --git a/sim/arm/wrapper.c b/sim/arm/wrapper.c deleted file mode 100644 index 877f7fbfd6f..00000000000 --- a/sim/arm/wrapper.c +++ /dev/null @@ -1,534 +0,0 @@ -/* run front end support for arm - Copyright (C) 1995, 1996, 1997, 2000, 2001 Free Software Foundation, Inc. - -This file is part of ARM SIM. - -GNU CC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU CC is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -/* This file provides the interface between the simulator and run.c and gdb - (when the simulator is linked with gdb). - All simulator interaction should go through this file. */ - -#include <stdio.h> -#include <stdarg.h> -#include <string.h> -#include <bfd.h> -#include <signal.h> -#include "callback.h" -#include "remote-sim.h" -#include "armdefs.h" -#include "armemu.h" -#include "dbg_rdi.h" -#include "ansidecl.h" - -host_callback *sim_callback; - -static struct ARMul_State *state; - -/* Who is using the simulator. */ -static SIM_OPEN_KIND sim_kind; - -/* argv[0] */ -static char *myname; - -/* Memory size in bytes. */ -static int mem_size = (1 << 21); - -/* Non-zero to display start up banner, and maybe other things. */ -static int verbosity; - -/* Non-zero to set big endian mode. */ -static int big_endian; - -int stop_simulator; - -static void -init () -{ - static int done; - - if (!done) - { - ARMul_EmulateInit (); - state = ARMul_NewState (); - state->bigendSig = (big_endian ? HIGH : LOW); - ARMul_MemoryInit (state, mem_size); - ARMul_OSInit (state); - ARMul_CoProInit (state); - state->verbose = verbosity; - done = 1; - } -} - -/* Set verbosity level of simulator. - This is not intended to produce detailed tracing or debugging information. - Just summaries. */ -/* FIXME: common/run.c doesn't do this yet. */ - -void -sim_set_verbose (v) - int v; -{ - verbosity = v; -} - -/* Set the memory size to SIZE bytes. - Must be called before initializing simulator. */ -/* FIXME: Rename to sim_set_mem_size. */ - -void -sim_size (size) - int size; -{ - mem_size = size; -} - -void -ARMul_ConsolePrint (ARMul_State * state, const char *format, ...) -{ - va_list ap; - - if (state->verbose) - { - va_start (ap, format); - vprintf (format, ap); - va_end (ap); - } -} - -ARMword -ARMul_Debug (ARMul_State * state ATTRIBUTE_UNUSED, ARMword pc ATTRIBUTE_UNUSED, ARMword instr ATTRIBUTE_UNUSED) -{ - return 0; -} - -int -sim_write (sd, addr, buffer, size) - SIM_DESC sd ATTRIBUTE_UNUSED; - SIM_ADDR addr; - unsigned char *buffer; - int size; -{ - int i; - - init (); - - for (i = 0; i < size; i++) - ARMul_SafeWriteByte (state, addr + i, buffer[i]); - - return size; -} - -int -sim_read (sd, addr, buffer, size) - SIM_DESC sd ATTRIBUTE_UNUSED; - SIM_ADDR addr; - unsigned char *buffer; - int size; -{ - int i; - - init (); - for (i = 0; i < size; i++) - buffer[i] = ARMul_SafeReadByte (state, addr + i); - - return size; -} - -int -sim_trace (sd) - SIM_DESC sd ATTRIBUTE_UNUSED; -{ - (*sim_callback->printf_filtered) (sim_callback, - "This simulator does not support tracing\n"); - return 1; -} - -int -sim_stop (sd) - SIM_DESC sd ATTRIBUTE_UNUSED; -{ - state->Emulate = STOP; - stop_simulator = 1; - return 1; -} - -void -sim_resume (sd, step, siggnal) - SIM_DESC sd ATTRIBUTE_UNUSED; - int step; - int siggnal ATTRIBUTE_UNUSED; -{ - state->EndCondition = 0; - stop_simulator = 0; - - if (step) - { - state->Reg[15] = ARMul_DoInstr (state); - if (state->EndCondition == 0) - state->EndCondition = RDIError_BreakpointReached; - } - else - { -#if 1 /* JGS */ - state->NextInstr = RESUME; /* treat as PC change */ -#endif - state->Reg[15] = ARMul_DoProg (state); - } - - FLUSHPIPE; -} - -SIM_RC -sim_create_inferior (sd, abfd, argv, env) - SIM_DESC sd ATTRIBUTE_UNUSED; - struct _bfd *abfd; - char **argv; - char **env; -{ - int argvlen = 0; - int mach; - char **arg; - - if (abfd != NULL) - ARMul_SetPC (state, bfd_get_start_address (abfd)); - else - ARMul_SetPC (state, 0); /* ??? */ - - mach = bfd_get_mach (abfd); - - switch (mach) - { - default: - (*sim_callback->printf_filtered) (sim_callback, - "Unknown machine type; please update sim_create_inferior.\n"); - /* fall through */ - - case 0: - /* We wouldn't set the machine type with earlier toolchains, so we - explicitly select a processor capable of supporting all ARMs in - 32bit mode. */ - case bfd_mach_arm_5: - case bfd_mach_arm_5T: - ARMul_SelectProcessor (state, ARM_v5_Prop); - break; - - case bfd_mach_arm_5TE: - ARMul_SelectProcessor (state, ARM_v5_Prop | ARM_v5e_Prop); - break; - - case bfd_mach_arm_XScale: - ARMul_SelectProcessor (state, ARM_v5_Prop | ARM_v5e_Prop | ARM_XScale_Prop); - break; - - case bfd_mach_arm_4: - case bfd_mach_arm_4T: - ARMul_SelectProcessor (state, ARM_v4_Prop); - break; - - case bfd_mach_arm_3: - case bfd_mach_arm_3M: - ARMul_SelectProcessor (state, ARM_Lock_Prop); - break; - - case bfd_mach_arm_2: - case bfd_mach_arm_2a: - ARMul_SelectProcessor (state, ARM_Fix26_Prop); - break; - } - - if ( mach != bfd_mach_arm_3 - && mach != bfd_mach_arm_3M - && mach != bfd_mach_arm_2 - && mach != bfd_mach_arm_2a) - { - /* Reset mode to ARM. A gdb user may rerun a program that had entered - THUMB mode from the start and cause the ARM-mode startup code to be - executed in THUMB mode. */ - ARMul_SetCPSR (state, SVC32MODE); - } - - if (argv != NULL) - { - /* Set up the command line by laboriously stringing together - the environment carefully picked apart by our caller. */ - - /* Free any old stuff. */ - if (state->CommandLine != NULL) - { - free (state->CommandLine); - state->CommandLine = NULL; - } - - /* See how much we need. */ - for (arg = argv; *arg != NULL; arg++) - argvlen += strlen (*arg) + 1; - - /* Allocate it. */ - state->CommandLine = malloc (argvlen + 1); - if (state->CommandLine != NULL) - { - arg = argv; - state->CommandLine[0] = '\0'; - - for (arg = argv; *arg != NULL; arg++) - { - strcat (state->CommandLine, *arg); - strcat (state->CommandLine, " "); - } - } - } - - if (env != NULL) - { - /* Now see if there's a MEMSIZE spec in the environment. */ - while (*env) - { - if (strncmp (*env, "MEMSIZE=", sizeof ("MEMSIZE=") - 1) == 0) - { - char *end_of_num; - - /* Set up memory limit. */ - state->MemSize = - strtoul (*env + sizeof ("MEMSIZE=") - 1, &end_of_num, 0); - } - env++; - } - } - - return SIM_RC_OK; -} - -void -sim_info (sd, verbose) - SIM_DESC sd ATTRIBUTE_UNUSED; - int verbose ATTRIBUTE_UNUSED; -{ -} - - -static int -frommem (state, memory) - struct ARMul_State *state; - unsigned char *memory; -{ - if (state->bigendSig == HIGH) - { - return (memory[0] << 24) - | (memory[1] << 16) | (memory[2] << 8) | (memory[3] << 0); - } - else - { - return (memory[3] << 24) - | (memory[2] << 16) | (memory[1] << 8) | (memory[0] << 0); - } -} - - -static void -tomem (state, memory, val) - struct ARMul_State *state; - unsigned char *memory; - int val; -{ - if (state->bigendSig == HIGH) - { - memory[0] = val >> 24; - memory[1] = val >> 16; - memory[2] = val >> 8; - memory[3] = val >> 0; - } - else - { - memory[3] = val >> 24; - memory[2] = val >> 16; - memory[1] = val >> 8; - memory[0] = val >> 0; - } -} - -int -sim_store_register (sd, rn, memory, length) - SIM_DESC sd ATTRIBUTE_UNUSED; - int rn; - unsigned char *memory; - int length ATTRIBUTE_UNUSED; -{ - init (); - - if (rn == 25) - { - state->Cpsr = frommem (state, memory); - ARMul_CPSRAltered (state); - } - else - ARMul_SetReg (state, state->Mode, rn, frommem (state, memory)); - return -1; -} - -int -sim_fetch_register (sd, rn, memory, length) - SIM_DESC sd ATTRIBUTE_UNUSED; - int rn; - unsigned char *memory; - int length ATTRIBUTE_UNUSED; -{ - ARMword regval; - - init (); - - if (rn < 16) - regval = ARMul_GetReg (state, state->Mode, rn); - else if (rn == 25) /* FIXME: use PS_REGNUM from gdb/config/arm/tm-arm.h */ - regval = ARMul_GetCPSR (state); - else - regval = 0; /* FIXME: should report an error */ - tomem (state, memory, regval); - return -1; -} - -SIM_DESC -sim_open (kind, ptr, abfd, argv) - SIM_OPEN_KIND kind; - host_callback *ptr; - struct _bfd *abfd; - char **argv; -{ - sim_kind = kind; - if (myname) free (myname); - myname = (char *) xstrdup (argv[0]); - sim_callback = ptr; - - /* Decide upon the endian-ness of the processor. - If we can, get the information from the bfd itself. - Otherwise look to see if we have been given a command - line switch that tells us. Otherwise default to little endian. */ - if (abfd != NULL) - big_endian = bfd_big_endian (abfd); - else if (argv[1] != NULL) - { - int i; - - /* Scan for endian-ness switch. */ - for (i = 0; (argv[i] != NULL) && (argv[i][0] != 0); i++) - if (argv[i][0] == '-' && argv[i][1] == 'E') - { - char c; - - if ((c = argv[i][2]) == 0) - { - ++i; - c = argv[i][0]; - } - - switch (c) - { - case 0: - sim_callback->printf_filtered - (sim_callback, "No argument to -E option provided\n"); - break; - - case 'b': - case 'B': - big_endian = 1; - break; - - case 'l': - case 'L': - big_endian = 0; - break; - - default: - sim_callback->printf_filtered - (sim_callback, "Unrecognised argument to -E option\n"); - break; - } - } - } - - return (SIM_DESC) 1; -} - -void -sim_close (sd, quitting) - SIM_DESC sd ATTRIBUTE_UNUSED; - int quitting ATTRIBUTE_UNUSED; -{ - if (myname) free (myname); - myname = NULL; -} - -SIM_RC -sim_load (sd, prog, abfd, from_tty) - SIM_DESC sd; - char *prog; - bfd *abfd; - int from_tty ATTRIBUTE_UNUSED; -{ - extern bfd *sim_load_file (); /* ??? Don't know where this should live. */ - bfd *prog_bfd; - - prog_bfd = sim_load_file (sd, myname, sim_callback, prog, abfd, - sim_kind == SIM_OPEN_DEBUG, 0, sim_write); - if (prog_bfd == NULL) - return SIM_RC_FAIL; - ARMul_SetPC (state, bfd_get_start_address (prog_bfd)); - if (abfd == NULL) - bfd_close (prog_bfd); - return SIM_RC_OK; -} - -void -sim_stop_reason (sd, reason, sigrc) - SIM_DESC sd ATTRIBUTE_UNUSED; - enum sim_stop *reason; - int *sigrc; -{ - if (stop_simulator) - { - *reason = sim_stopped; - *sigrc = SIGINT; - } - else if (state->EndCondition == 0) - { - *reason = sim_exited; - *sigrc = state->Reg[0] & 255; - } - else - { - *reason = sim_stopped; - if (state->EndCondition == RDIError_BreakpointReached) - *sigrc = SIGTRAP; - else - *sigrc = 0; - } -} - -void -sim_do_command (sd, cmd) - SIM_DESC sd ATTRIBUTE_UNUSED; - char *cmd ATTRIBUTE_UNUSED; -{ - (*sim_callback->printf_filtered) (sim_callback, - "This simulator does not accept any commands.\n"); -} - - -void -sim_set_callbacks (ptr) - host_callback *ptr; -{ - sim_callback = ptr; -} |