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-rw-r--r--sim/arm/wrapper.c479
1 files changed, 0 insertions, 479 deletions
diff --git a/sim/arm/wrapper.c b/sim/arm/wrapper.c
deleted file mode 100644
index 8417f40938e..00000000000
--- a/sim/arm/wrapper.c
+++ /dev/null
@@ -1,479 +0,0 @@
-/* run front end support for arm
- Copyright (C) 1995, 1996, 1997 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_WriteByte (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_ReadByte (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;
- char **arg;
-
- if (abfd != NULL)
- ARMul_SetPC (state, bfd_get_start_address (abfd));
- else
- ARMul_SetPC (state, 0); /* ??? */
-
-#if 1 /* JGS */
- /* We explicitly select a processor capable of supporting the ARM
- 32bit mode, and then we force the simulated CPU into the 32bit
- User mode: */
- ARMul_SelectProcessor (state, ARM600);
- ARMul_SetCPSR (state, USER32MODE);
-#endif
-
- 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 ();
- 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 = 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;
-}
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