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Diffstat (limited to 'sim/m32c/main.c')
-rw-r--r-- | sim/m32c/main.c | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/sim/m32c/main.c b/sim/m32c/main.c new file mode 100644 index 0000000..541bc43 --- /dev/null +++ b/sim/m32c/main.c @@ -0,0 +1,138 @@ +/* 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 (); + } +} |