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/* main.c --- main function for stand-alone M32C simulator.
Copyright (C) 2005 Free Software Foundation, Inc.
Contributed by Red Hat, Inc.
This file is part of the GNU simulators.
The GNU simulators are free software; you can redistribute them and/or
modify them 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.
The GNU simulators are distributed in the hope that they 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 the GNU simulators; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA */
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <assert.h>
#include <setjmp.h>
#include <signal.h>
#include "bfd.h"
#include "cpu.h"
#include "mem.h"
#include "misc.h"
#include "load.h"
#include "trace.h"
static int disassemble = 0;
static unsigned int cycles = 0;
static void
done (int exit_code)
{
if (verbose)
{
stack_heap_stats ();
mem_usage_stats ();
printf ("insns: %14s\n", comma (cycles));
}
exit (exit_code);
}
int
main (int argc, char **argv)
{
int o;
int save_trace;
bfd *prog;
while ((o = getopt (argc, argv, "tvdm:")) != -1)
switch (o)
{
case 't':
trace++;
break;
case 'v':
verbose++;
break;
case 'd':
disassemble++;
break;
case 'm':
if (strcmp (optarg, "r8c") == 0 || strcmp (optarg, "m16c") == 0)
default_machine = bfd_mach_m16c;
else if (strcmp (optarg, "m32cm") == 0
|| strcmp (optarg, "m32c") == 0)
default_machine = bfd_mach_m32c;
else
{
fprintf (stderr, "Invalid machine: %s\n", optarg);
exit (1);
}
break;
case '?':
fprintf (stderr,
"usage: run [-v] [-t] [-d] [-m r8c|m16c|m32cm|m32c]"
" program\n");
exit (1);
}
prog = bfd_openr (argv[optind], 0);
if (!prog)
{
fprintf (stderr, "Can't read %s\n", argv[optind]);
exit (1);
}
if (!bfd_check_format (prog, bfd_object))
{
fprintf (stderr, "%s not a m32c program\n", argv[optind]);
exit (1);
}
save_trace = trace;
trace = 0;
m32c_load (prog);
trace = save_trace;
if (disassemble)
sim_disasm_init (prog);
while (1)
{
int rc;
if (trace)
printf ("\n");
if (disassemble)
sim_disasm_one ();
enable_counting = verbose;
cycles++;
rc = decode_opcode ();
enable_counting = 0;
if (M32C_HIT_BREAK (rc))
done (1);
else if (M32C_EXITED (rc))
done (M32C_EXIT_STATUS (rc));
else
assert (M32C_STEPPED (rc));
trace_register_changes ();
}
}
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