d45a4bef83
2005-10-06 Jim Blandy <jimb@redhat.com> Add simulator for Renesas M32C and M16C. * m32c: New directory. * configure.ac: Add entry for Renesas M32C. * configure: Regenerate. sim/m32c/ChangeLog: 2005-10-06 Jim Blandy <jimb@redhat.com> Simulator for Renesas M32C and M16C, by DJ Delorie <dj@redhat.com>, with further work from Jim Blandy <jimb@redhat.com> and Kevin Buettner <kevinb@redhat.com>. * ChangeLog: New. * Makefile.in: New. * blinky.S: New. * config.in: New. * configure: New. * configure.in: New. * cpu.h: New. * gdb-if.c: New. * gloss.S: New. * int.c: New. * int.h: New. * load.c: New. * load.h: New. * m32c.opc: New. * main.c: New. * mem.c: New. * mem.h: New. * misc.c: New. * misc.h: New. * opc2c.c: New. * r8c.opc: New. * reg.c: New. * safe-fgets.c: New. * safe-fgets.h: New. * sample.S: New. * sample.ld: New. * sample2.c: New. * srcdest.c: New. * syscalls.c: New. * syscalls.h: New. * trace.c: New. * trace.h: New.
139 lines
2.9 KiB
C
139 lines
2.9 KiB
C
/* main.c --- main function for stand-alone M32C simulator.
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Copyright (C) 2005 Free Software Foundation, 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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The GNU simulators are free software; you can redistribute them and/or
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modify them under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU simulators are distributed in the hope that they will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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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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along with the GNU simulators; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301, USA */
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <assert.h>
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#include <setjmp.h>
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#include <signal.h>
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#include "bfd.h"
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#include "cpu.h"
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#include "mem.h"
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#include "misc.h"
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#include "load.h"
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#include "trace.h"
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static int disassemble = 0;
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static unsigned int cycles = 0;
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static void
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done (int exit_code)
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{
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if (verbose)
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{
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stack_heap_stats ();
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mem_usage_stats ();
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printf ("insns: %14s\n", comma (cycles));
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}
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exit (exit_code);
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}
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int
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main (int argc, char **argv)
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{
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int o;
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int save_trace;
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bfd *prog;
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while ((o = getopt (argc, argv, "tvdm:")) != -1)
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switch (o)
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{
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case 't':
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trace++;
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break;
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case 'v':
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verbose++;
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break;
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case 'd':
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disassemble++;
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break;
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case 'm':
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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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else if (strcmp (optarg, "m32cm") == 0
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|| strcmp (optarg, "m32c") == 0)
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default_machine = bfd_mach_m32c;
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else
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{
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fprintf (stderr, "Invalid machine: %s\n", optarg);
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exit (1);
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}
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break;
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case '?':
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fprintf (stderr,
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"usage: run [-v] [-t] [-d] [-m r8c|m16c|m32cm|m32c]"
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" program\n");
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exit (1);
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}
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prog = bfd_openr (argv[optind], 0);
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if (!prog)
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{
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fprintf (stderr, "Can't read %s\n", argv[optind]);
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exit (1);
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}
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if (!bfd_check_format (prog, bfd_object))
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{
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fprintf (stderr, "%s not a m32c program\n", argv[optind]);
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exit (1);
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}
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save_trace = trace;
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trace = 0;
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m32c_load (prog);
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trace = save_trace;
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if (disassemble)
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sim_disasm_init (prog);
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while (1)
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{
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int rc;
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if (trace)
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printf ("\n");
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if (disassemble)
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sim_disasm_one ();
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enable_counting = verbose;
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cycles++;
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rc = decode_opcode ();
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enable_counting = 0;
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if (M32C_HIT_BREAK (rc))
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done (1);
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else if (M32C_EXITED (rc))
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done (M32C_EXIT_STATUS (rc));
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else
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assert (M32C_STEPPED (rc));
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trace_register_changes ();
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}
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}
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