/* main.c --- main function for stand-alone M32C simulator.
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/* main.c --- main function for stand-alone M32C simulator.
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Copyright (C) 2005, 2007, 2008 Free Software Foundation, Inc.
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Copyright (C) 2005, 2007, 2008 Free Software Foundation, Inc.
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Contributed by Red Hat, Inc.
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Contributed by Red Hat, Inc.
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This file is part of the GNU simulators.
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This file is part of the GNU simulators.
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This program is free software; you can redistribute it and/or modify
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include <stdio.h>
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#include <stdio.h>
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#include <string.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <unistd.h>
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#include <assert.h>
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#include <assert.h>
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#include <setjmp.h>
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#include <setjmp.h>
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#include <signal.h>
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#include <signal.h>
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#include "bfd.h"
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#include "bfd.h"
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#include "cpu.h"
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#include "cpu.h"
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#include "mem.h"
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#include "mem.h"
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#include "misc.h"
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#include "misc.h"
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#include "load.h"
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#include "load.h"
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#include "trace.h"
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#include "trace.h"
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static int disassemble = 0;
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static int disassemble = 0;
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static unsigned int cycles = 0;
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static unsigned int cycles = 0;
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static void
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static void
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done (int exit_code)
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done (int exit_code)
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{
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{
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if (verbose)
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if (verbose)
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{
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{
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stack_heap_stats ();
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stack_heap_stats ();
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mem_usage_stats ();
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mem_usage_stats ();
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printf ("insns: %14s\n", comma (cycles));
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printf ("insns: %14s\n", comma (cycles));
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}
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}
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exit (exit_code);
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exit (exit_code);
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}
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}
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int
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int
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main (int argc, char **argv)
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main (int argc, char **argv)
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{
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{
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int o;
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int o;
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int save_trace;
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int save_trace;
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bfd *prog;
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bfd *prog;
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while ((o = getopt (argc, argv, "tvdm:")) != -1)
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while ((o = getopt (argc, argv, "tvdm:")) != -1)
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switch (o)
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switch (o)
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{
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{
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case 't':
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case 't':
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trace++;
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trace++;
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break;
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break;
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case 'v':
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case 'v':
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verbose++;
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verbose++;
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break;
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break;
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case 'd':
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case 'd':
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disassemble++;
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disassemble++;
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break;
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break;
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case 'm':
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case 'm':
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if (strcmp (optarg, "r8c") == 0 || strcmp (optarg, "m16c") == 0)
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if (strcmp (optarg, "r8c") == 0 || strcmp (optarg, "m16c") == 0)
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default_machine = bfd_mach_m16c;
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default_machine = bfd_mach_m16c;
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else if (strcmp (optarg, "m32cm") == 0
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else if (strcmp (optarg, "m32cm") == 0
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|| strcmp (optarg, "m32c") == 0)
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|| strcmp (optarg, "m32c") == 0)
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default_machine = bfd_mach_m32c;
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default_machine = bfd_mach_m32c;
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else
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else
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{
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{
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fprintf (stderr, "Invalid machine: %s\n", optarg);
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fprintf (stderr, "Invalid machine: %s\n", optarg);
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exit (1);
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exit (1);
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}
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}
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break;
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break;
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case '?':
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case '?':
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fprintf (stderr,
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fprintf (stderr,
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"usage: run [-v] [-t] [-d] [-m r8c|m16c|m32cm|m32c]"
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"usage: run [-v] [-t] [-d] [-m r8c|m16c|m32cm|m32c]"
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" program\n");
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" program\n");
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exit (1);
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exit (1);
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}
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}
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prog = bfd_openr (argv[optind], 0);
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prog = bfd_openr (argv[optind], 0);
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if (!prog)
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if (!prog)
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{
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{
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fprintf (stderr, "Can't read %s\n", argv[optind]);
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fprintf (stderr, "Can't read %s\n", argv[optind]);
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exit (1);
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exit (1);
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}
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}
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if (!bfd_check_format (prog, bfd_object))
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if (!bfd_check_format (prog, bfd_object))
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{
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{
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fprintf (stderr, "%s not a m32c program\n", argv[optind]);
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fprintf (stderr, "%s not a m32c program\n", argv[optind]);
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exit (1);
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exit (1);
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}
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}
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save_trace = trace;
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save_trace = trace;
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trace = 0;
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trace = 0;
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m32c_load (prog);
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m32c_load (prog);
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trace = save_trace;
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trace = save_trace;
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if (disassemble)
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if (disassemble)
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sim_disasm_init (prog);
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sim_disasm_init (prog);
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while (1)
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while (1)
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{
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{
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int rc;
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int rc;
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if (trace)
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if (trace)
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printf ("\n");
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printf ("\n");
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if (disassemble)
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if (disassemble)
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sim_disasm_one ();
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sim_disasm_one ();
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enable_counting = verbose;
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enable_counting = verbose;
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cycles++;
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cycles++;
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rc = decode_opcode ();
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rc = decode_opcode ();
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enable_counting = 0;
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enable_counting = 0;
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if (M32C_HIT_BREAK (rc))
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if (M32C_HIT_BREAK (rc))
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done (1);
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done (1);
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else if (M32C_EXITED (rc))
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else if (M32C_EXITED (rc))
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done (M32C_EXIT_STATUS (rc));
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done (M32C_EXIT_STATUS (rc));
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else
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else
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assert (M32C_STEPPED (rc));
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assert (M32C_STEPPED (rc));
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trace_register_changes ();
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trace_register_changes ();
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}
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}
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}
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}
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