aboutsummaryrefslogtreecommitdiff
path: root/sim/arm/wrapper.c
diff options
context:
space:
mode:
Diffstat (limited to 'sim/arm/wrapper.c')
-rw-r--r--sim/arm/wrapper.c397
1 files changed, 0 insertions, 397 deletions
diff --git a/sim/arm/wrapper.c b/sim/arm/wrapper.c
deleted file mode 100644
index 2a297c2..0000000
--- a/sim/arm/wrapper.c
+++ /dev/null
@@ -1,397 +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 <bfd.h>
-#include <signal.h>
-#include "callback.h"
-#include "remote-sim.h"
-#include "armdefs.h"
-#include "armemu.h"
-#include "dbg_rdi.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;
-
-static void
-init ()
-{
- static int done;
-
- if (!done)
- {
- ARMul_EmulateInit();
- state = ARMul_NewState ();
- 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, ARMword pc, ARMword instr)
-{
-
-}
-
-int
-sim_write (sd, addr, buffer, size)
- SIM_DESC sd;
- 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;
- 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;
-{
- (*sim_callback->printf_filtered) (sim_callback, "This simulator does not support tracing\n");
- return 1;
-}
-
-int
-sim_stop (sd)
- SIM_DESC sd;
-{
- return 0;
-}
-
-void
-sim_resume (sd, step, siggnal)
- SIM_DESC sd;
- int step, siggnal;
-{
- state->EndCondition = 0;
-
- if (step)
- {
- state->Reg[15] = ARMul_DoInstr (state);
- if (state->EndCondition == 0)
- state->EndCondition = RDIError_BreakpointReached;
- }
- else
- {
- state->Reg[15] = ARMul_DoProg (state);
- }
-
- FLUSHPIPE;
-}
-
-SIM_RC
-sim_create_inferior (sd, abfd, argv, env)
- SIM_DESC sd;
- struct _bfd *abfd;
- char **argv;
- char **env;
-{
- int argvlen=0;
- char **arg;
-
-#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)
- {
- unsigned long top_of_memory;
- 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;
- int verbose;
-{
-}
-
-
-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;
- }
-}
-
-void
-sim_store_register (sd, rn, memory)
- SIM_DESC sd;
- int rn;
- unsigned char *memory;
-{
- init ();
- ARMul_SetReg(state, state->Mode, rn, frommem (state, memory));
-}
-
-void
-sim_fetch_register (sd, rn, memory)
- SIM_DESC sd;
- int rn;
- unsigned char *memory;
-{
- init ();
- tomem (state, memory, ARMul_GetReg(state, state->Mode, rn));
-}
-
-
-
-
-SIM_DESC
-sim_open (kind, ptr, abfd, argv)
- SIM_OPEN_KIND kind;
- host_callback *ptr;
- struct _bfd *abfd;
- char **argv;
-{
- sim_kind = kind;
- myname = argv[0];
- sim_callback = ptr;
- return (SIM_DESC) 1;
-}
-
-void
-sim_close (sd, quitting)
- SIM_DESC sd;
- int quitting;
-{
- /* nothing to do */
-}
-
-SIM_RC
-sim_load (sd, prog, abfd, from_tty)
- SIM_DESC sd;
- char *prog;
- bfd *abfd;
- int from_tty;
-{
- 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;
- if (abfd == NULL)
- bfd_close (prog_bfd);
- return SIM_RC_OK;
-}
-
-void
-sim_stop_reason (sd, reason, sigrc)
- SIM_DESC sd;
- enum sim_stop *reason;
- int *sigrc;
-{
- 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;
- char *cmd;
-{
- (*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;
-}
generated by cgit v1.1 at 2024-09-16 09:07:42 +0000