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/* This file is part of the program psim.
Copyright (C) 1994-1996, Andrew Cagney <cagney@highland.com.au>
Copyright (C) 1997, Free Software Foundation
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 <signal.h> /* FIXME - should be machine dependant version */
#include <stdarg.h>
#include <ctype.h>
#include "bfd.h"
#include "sim-main.h"
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#else
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#endif
#define SIM_ADDR unsigned
/* Structures used by the simulator, for gdb just have static structures */
struct sim_state simulation = { 0 };
SIM_DESC
sim_open (SIM_OPEN_KIND kind, char **argv)
{
/*FIXME - later make these configurable */
static void *eit_ram;
static int sizeof_eit_ram = 0x1000;
STATE_OPEN_KIND (&simulation) = kind;
/* establish the simulator configuration */
sim_config (&simulation,
LITTLE_ENDIAN/*d30v always big endian*/);
if (sim_pre_argv_init (&simulation, argv[0]) != SIM_RC_OK)
return 0;
/* getopt will print the error message so we just have to exit if this fails.
FIXME: Hmmm... in the case of gdb we need getopt to call
print_filtered. */
if (sim_parse_args (&simulation, argv) != SIM_RC_OK)
return 0;
engine_init(&simulation);
/* external memory */
sim_core_attach(&simulation,
attach_raw_memory,
access_read_write_exec,
0, 0x2000000, 0x100000, NULL, NULL);
/* FIXME: for now */
return (SIM_DESC) &simulation;
}
/* NOTE: sim_size is going away */
void sim_size (int i);
void
sim_size (int i)
{
sim_io_error (NULL, "unexpected call to sim_size()");
}
void
sim_close (SIM_DESC sd, int quitting)
{
}
SIM_RC
sim_load (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, STATE_MY_NAME (sd),
STATE_CALLBACK (sd),
prog,
/* pass NULL for abfd, we always open our own */
NULL,
STATE_OPEN_KIND (sd) == SIM_OPEN_DEBUG);
if (prog_bfd == NULL)
return SIM_RC_FAIL;
sim_analyze_program (sd, prog_bfd);
return SIM_RC_OK;
}
void
sim_kill (SIM_DESC sd)
{
}
int
sim_read (SIM_DESC sd, SIM_ADDR mem, unsigned char *buf, int length)
{
sim_io_error (sd, "sim_read");
return 0;
}
int
sim_write (SIM_DESC sd, SIM_ADDR mem, unsigned char *buf, int length)
{
return sim_core_write_buffer (sd, sim_core_write_map,
buf, mem, length);
}
void
sim_fetch_register (SIM_DESC sd, int regno, unsigned char *buf)
{
sim_io_error (sd, "sim_fetch_register");
}
void
sim_store_register (SIM_DESC sd, int regno, unsigned char *buf)
{
sim_io_error (sd, "sim_info");
}
void
sim_info (SIM_DESC sd, int verbose)
{
}
SIM_RC
sim_create_inferior (SIM_DESC sd,
char **argv,
char **envp)
{
STATE_CPU (sd, 0)->cia.ip = STATE_START_ADDR(sd);
STATE_CPU (sd, 0)->cia.dp = (STATE_START_ADDR(sd)
+ sizeof (instruction_word));
return SIM_RC_OK;
}
volatile int keep_running = 1;
void
sim_stop_reason (SIM_DESC sd, enum sim_stop *reason, int *sigrc)
{
*reason = simulation.reason;
*sigrc = simulation.siggnal;
keep_running = 1; /* ready for next run */
}
int
sim_stop (SIM_DESC sd)
{
keep_running = 0;
return 1;
}
void
sim_resume (SIM_DESC sd, int step, int siggnal)
{
/* keep_running = 1 - in sim_stop_reason */
if (step)
keep_running = 0;
engine_run_until_stop(sd, &keep_running);
}
void
sim_do_command (SIM_DESC sd, char *cmd)
{
sim_io_error (sd, "sim_do_command - unimplemented");
}
void
sim_set_callbacks (SIM_DESC sd, host_callback *callback)
{
STATE_CALLBACK (&simulation) = callback;
}
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