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Diffstat (limited to 'newlib/libc/sys/a29khif/sys/romdcl.h')
| -rw-r--r-- | newlib/libc/sys/a29khif/sys/romdcl.h | 392 |
1 files changed, 392 insertions, 0 deletions
diff --git a/newlib/libc/sys/a29khif/sys/romdcl.h b/newlib/libc/sys/a29khif/sys/romdcl.h new file mode 100644 index 00000000000..d52ca05980f --- /dev/null +++ b/newlib/libc/sys/a29khif/sys/romdcl.h @@ -0,0 +1,392 @@ +; @(#)romdcl.h 1.4 90/10/14 20:56:12, Copyright 1988, 1989, 1990 AMD +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; +; Copyright 1990 Advanced Micro Devices, Inc. +; +; This software is the property of Advanced Micro Devices, Inc (AMD) which +; specifically grants the user the right to modify, use and distribute this +; software provided this notice is not removed or altered. All other rights +; are reserved by AMD. +; +; AMD MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARD TO THIS +; SOFTWARE. IN NO EVENT SHALL AMD BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL +; DAMAGES IN CONNECTION WITH OR ARISING FROM THE FURNISHING, PERFORMANCE, OR +; USE OF THIS SOFTWARE. +; +; So that all may benefit from your experience, please report any problems +; or suggestions about this software to the 29K Technical Support Center at +; 800-29-29-AMD (800-292-9263) in the USA, or 0800-89-1131 in the UK, or +; 0031-11-1129 in Japan, toll free. The direct dial number is 512-462-4118. +; +; Advanced Micro Devices, Inc. +; 29K Support Products +; Mail Stop 573 +; 5900 E. Ben White Blvd. +; Austin, TX 78741 +; 800-292-9263 +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; + + .sbttl "Register, Constant and Macro Declarations - v1.4" + +; Copyright 1988, Advanced Micro Devices +; Written by Gibbons and Associates, Inc. + +;v1.4 JG correct FUNCTION macro - fault in register padding to even + +;----------------------------------------------------------------------- +;Global registers +;----------------------------------------------------------------------- + .reg rsp, gr1 ;local reg. var. stack pointer + + .equ SYS_TEMP, 64 ;system temp registers + + .reg st0, gr64 + .reg st1, gr65 + .reg st2, gr66 + .reg st3, gr67 + .reg st4, gr68 + .reg st5, gr69 + .reg st6, gr70 + .reg st7, gr71 + .reg st8, gr72 + .reg st9, gr73 + .reg st10, gr74 + .reg st11, gr75 + .reg st12, gr76 + .reg st13, gr77 + .reg st14, gr78 + .reg st15, gr79 + + .equ SYS_STAT, 80 ;system static registers + + .reg ss0, gr80 + .reg ss1, gr81 + .reg ss2, gr82 + .reg ss3, gr83 + .reg ss4, gr84 + .reg ss5, gr85 + .reg ss6, gr86 + .reg ss7, gr87 + .reg ss8, gr88 + .reg ss9, gr89 + .reg ss10, gr90 + .reg ss11, gr91 + .reg ss12, gr92 + .reg ss13, gr93 + .reg ss14, gr94 + .reg ss15, gr95 + + .equ RET_VAL, 96 ;return registers + + .reg v0, gr96 + .reg v1, gr97 + .reg v2, gr98 + .reg v3, gr99 + .reg v4, gr100 + .reg v5, gr101 + .reg v6, gr102 + .reg v7, gr103 + .reg v8, gr104 + .reg v9, gr105 + .reg v10, gr106 + .reg v11, gr107 + .reg v12, gr108 + .reg v13, gr109 + .reg v14, gr110 + .reg v15, gr111 + + .equ TEMP_REG, 96 ;temp registers + + .reg t0, gr96 + .reg t1, gr97 + .reg t2, gr98 + .reg t3, gr99 + .reg t4, gr100 + .reg t5, gr101 + .reg t6, gr102 + .reg t7, gr103 + .reg t8, gr104 + .reg t9, gr105 + .reg t10, gr106 + .reg t11, gr107 + .reg t12, gr108 + .reg t13, gr109 + .reg t14, gr110 + .reg t15, gr111 + + .equ RES_REG, 112 ;reserved (for user) + + .reg r0, gr112 + .reg r1, gr113 + .reg r2, gr114 + .reg r3, gr115 + + .equ TEMP_EXT, 116 ;temp extension (and shared) + + .reg x0, gr116 + .reg x1, gr117 + .reg x2, gr118 + .reg x3, gr119 + .reg x4, gr120 + .reg x5, gr121 + .reg x6, gr122 + .reg x7, gr123 + .reg x8, gr124 + +;----------------------------------------------------------------------- +;Global registers with special calling convention uses +;----------------------------------------------------------------------- + + .reg tav, gr121 ;trap handler argument (also x6) + .reg tpc, gr122 ;trap handler return (also x7) + .reg lsrp, gr123 ;large return pointer (also x8) + .reg slp, gr124 ;static link pointer (also x9) + .reg msp, gr125 ;memory stack pointer + .reg rab, gr126 ;register alloc bound + .reg rfb, gr127 ;register frame bound + +;----------------------------------------------------------------------- +;Local compiler registers - output parameters, etc. +; (only valid if frame has been established) +;----------------------------------------------------------------------- + + .reg p15, lr17 ;parameter registers + .reg p14, lr16 + .reg p13, lr15 + .reg p12, lr14 + .reg p11, lr13 + .reg p10, lr12 + .reg p9, lr11 + .reg p8, lr10 + .reg p7, lr9 + .reg p6, lr8 + .reg p5, lr7 + .reg p4, lr6 + .reg p3, lr5 + .reg p2, lr4 + .reg p1, lr3 + .reg p0, lr2 + + +;----------------------------------------------------------------------- +;TLB register count +;----------------------------------------------------------------------- + + .equ TLB_CNT, 128 + + .eject + +;----------------------------------------------------------------------- +;constants for general use +;----------------------------------------------------------------------- + .equ WRD_SIZ, 4 ;word size + .equ TRUE, 0x80000000 ;logical true -- bit 31 + .equ FALSE, 0x00000000 ;logical false -- 0 + .equ CHKPAT_a5, 0xa5a5a5a5 ;check pattern + +;----------------------------------------------------------------------- +;constants for data access control +;----------------------------------------------------------------------- + .equ CE, 0b1 ;coprocessor enable + .equ CD, 0b0 ;coprocessor disable + + .equ AS, 0b1000000 ;set for I/O + .equ PA, 0b0100000 ;set for physical ad + .equ SB, 0b0010000 ;set for set BP + .equ UA, 0b0001000 ;set for user access + + .equ ROM_OPT, 0b100 ;OPT values for acc + .equ DATA_OPT, 0b000 + .equ INST_OPT, 0b000 + + .equ ROM_CTL, (PA + ROM_OPT) ;control field + .equ DATA_CTL, (PA + DATA_OPT) + .equ INST_CTL, (PA + INST_OPT) + .equ IO_CTL, (AS + PA + DATA_OPT) + + + .eject + +;----------------------------------------------------------------------- +;defined vectors +;----------------------------------------------------------------------- + + .equ V_IllegalOp, 0 + .equ V_Unaligned, 1 + .equ V_OutOfRange, 2 + .equ V_NoCoProc, 3 + .equ V_CoProcExcept, 4 + .equ V_ProtViol, 5 + .equ V_InstAccExcept, 6 + .equ V_DataAccExcept, 7 + .equ V_UserInstTLB, 8 + .equ V_UserDataTLB, 9 + .equ V_SupInstTLB, 10 + .equ V_SupDataTLB, 11 + .equ V_InstTLBProt, 12 + .equ V_DataTLBProt, 13 + .equ V_Timer, 14 + .equ V_Trace, 15 + .equ V_INTR0, 16 + .equ V_INTR1, 17 + .equ V_INTR2, 18 + .equ V_INTR3, 19 + .equ V_TRAP0, 20 + .equ V_TRAP1, 21 + + ; 22 - 31 reserved + + .equ V_MULTIPLY, 32 + .equ V_DIVIDE, 33 + .equ V_MULTIPLU, 34 + .equ V_DIVIDU, 35 + .equ V_CONVERT, 36 + + ; 37 - 41 reserved + + .equ V_FEQ, 42 + .equ V_DEQ, 43 + .equ V_FGT, 44 + .equ V_DGT, 45 + .equ V_FGE, 46 + .equ V_DGE, 47 + .equ V_FADD, 48 + .equ V_DADD, 49 + .equ V_FSUB, 50 + .equ V_DSUB, 51 + .equ V_FMUL, 52 + .equ V_DMUL, 53 + .equ V_FDIV, 54 + .equ V_DDIV, 55 + + ; 56 - 63 reserved + + .equ V_SPILL, 64 + .equ V_FILL, 65 + .equ V_BSDCALL, 66 + .equ V_SYSVCALL, 67 + .equ V_BRKPNT, 68 + .equ V_EPI_OS, 69 + + .eject + + .macro R_LEFT,REGVAR + + ;Rotate left + ; + ; Parameters: REGVAR register to rotate + + add REGVAR, REGVAR, REGVAR ;shift left by 1 bit, C = MSB + addc REGVAR, REGVAR, 0 ;add C to LSB + + .endm +;---------------------------------------------------------------------- + + + .macro FUNCTION,NAME,INCNT,LOCCNT,OUTCNT + + ;Introduces a non-leaf routine. + ; + ;This macro defines the standard tag word before the function, + ;then establishes the statement label with the function's name + ;and finally allocates a register stack frame. It may not be used + ;if a memory stack frame is required. + ; + ;Note also that the size of the register stack frame is limited. + ;Neither this nor the lack of a memory frame is considered to be + ;a severe restriction in an assembly language environment. The + ;assembler will report errors if the requested frame is too large + ;for this macro. + ; + ;It may be good practice to allocate an even number of both output + ;registers and local registers. This will help in maintaining + ;double word alignment within these groups. The macro will assure + ;double word alignment of the stack frame as a whole as required + ;for correct linkage. + ; + ; Paramters: NAME the function name + ; INCNT input parameter count + ; LOCCNT local register count + ; OUTCNT output parameter count + + .set ALLOC_CNT, ((2 + OUTCNT + LOCCNT) << 2) + .set PAD_CNT, (ALLOC_CNT & 4) + .set ALLOC_CNT, (ALLOC_CNT + PAD_CNT) + .set REG_PAD, (PAD_CNT >> 2) + .if (INCNT) + .set IN_PRM, (4 + OUTCNT + REG_PAD + LOCCNT + 0x80) + .endif + .if (LOCCNT) + .set LOC_REG, (2 + OUTCNT + REG_PAD + 0x80) + .endif + .if (OUTCNT) + .set OUT_PRM, (2 + 0x80) + .endif + + .word ((2 + OUTCNT + LOCCNT) << 16) +NAME: + sub rsp, rsp, ALLOC_CNT + asgeu V_SPILL, rsp, rab + add lr1, rsp, ((4 + OUTCNT + LOCCNT + REG_PAD + INCNT) << 2) + + .endm +;---------------------------------------------------------------------- + + + .macro LEAF,NAME,INCNT + + ;Introduces a leaf routine + ; + ;This macro defines the standard tag word before the function, + ;then establishes the statement label with the function's name. + ; + ; Paramters: NAME the function name + ; INCNT input parameter count + + .if (INCNT) + .set IN_PRM, (2 + 0x80) + .endif + .set ALLOC_CNT, 0 + + .word 0 +NAME: + + .endm +;---------------------------------------------------------------------- + + + .macro EPILOGUE + + ;De-allocates register stack frame (only and only if necessary). + + .if (ALLOC_CNT) + + add rsp, rsp, ALLOC_CNT + nop + jmpi lr0 + asleu V_FILL, lr1, rfb + + .else + + jmpi lr0 + nop + + .endif + + .set IN_PRM, (1024) ;illegal, to cause err on ref + .set LOC_REG, (1024) ;illegal, to cause err on ref + .set OUT_PRM, (1024) ;illegal, to cause err on ref + .set ALLOC_CNT, (1024) ;illegal, to cause err on ref + + .endm +;---------------------------------------------------------------------- + + +;Initial values for macro set variables to guard against misuse + + .set IN_PRM, (1024) ;illegal, to cause err on ref + .set LOC_REG, (1024) ;illegal, to cause err on ref + .set OUT_PRM, (1024) ;illegal, to cause err on ref + .set ALLOC_CNT, (1024) ;illegal, to cause err on ref + +;...................................................................... +; end of romdcl.h |