| 1 | /* main.c --- main function for stand-alone RL78 simulator. |
| 2 | |
| 3 | Copyright (C) 2011-2020 Free Software Foundation, Inc. |
| 4 | Contributed by Red Hat, Inc. |
| 5 | |
| 6 | This file is part of the GNU simulators. |
| 7 | |
| 8 | This program is free software; you can redistribute it and/or modify |
| 9 | it under the terms of the GNU General Public License as published by |
| 10 | the Free Software Foundation; either version 3 of the License, or |
| 11 | (at your option) any later version. |
| 12 | |
| 13 | This program is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | GNU General Public License for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 20 | */ |
| 21 | |
| 22 | |
| 23 | #include "config.h" |
| 24 | #include <stdio.h> |
| 25 | #include <string.h> |
| 26 | #include <stdlib.h> |
| 27 | #ifdef HAVE_UNISTD_H |
| 28 | #include <unistd.h> |
| 29 | #endif |
| 30 | #include <assert.h> |
| 31 | #include <setjmp.h> |
| 32 | #include <signal.h> |
| 33 | #ifdef HAVE_GETOPT_H |
| 34 | #include <getopt.h> |
| 35 | #endif |
| 36 | |
| 37 | #include "libiberty.h" |
| 38 | #include "bfd.h" |
| 39 | |
| 40 | #include "cpu.h" |
| 41 | #include "mem.h" |
| 42 | #include "load.h" |
| 43 | #include "trace.h" |
| 44 | |
| 45 | static int disassemble = 0; |
| 46 | static const char * dump_counts_filename = NULL; |
| 47 | |
| 48 | static void |
| 49 | done (int exit_code) |
| 50 | { |
| 51 | if (verbose) |
| 52 | { |
| 53 | printf ("Exit code: %d\n", exit_code); |
| 54 | printf ("total clocks: %lld\n", total_clocks); |
| 55 | } |
| 56 | if (dump_counts_filename) |
| 57 | dump_counts_per_insn (dump_counts_filename); |
| 58 | exit (exit_code); |
| 59 | } |
| 60 | |
| 61 | int |
| 62 | main (int argc, char **argv) |
| 63 | { |
| 64 | int o; |
| 65 | int save_trace; |
| 66 | bfd *prog; |
| 67 | int rc; |
| 68 | |
| 69 | xmalloc_set_program_name (argv[0]); |
| 70 | |
| 71 | while ((o = getopt (argc, argv, "tvdr:D:M:")) != -1) |
| 72 | { |
| 73 | switch (o) |
| 74 | { |
| 75 | case 't': |
| 76 | trace ++; |
| 77 | break; |
| 78 | case 'v': |
| 79 | verbose ++; |
| 80 | break; |
| 81 | case 'd': |
| 82 | disassemble ++; |
| 83 | break; |
| 84 | case 'r': |
| 85 | mem_ram_size (atoi (optarg)); |
| 86 | break; |
| 87 | case 'D': |
| 88 | dump_counts_filename = optarg; |
| 89 | break; |
| 90 | case 'M': |
| 91 | if (strcmp (optarg, "g10") == 0) |
| 92 | { |
| 93 | rl78_g10_mode = 1; |
| 94 | g13_multiply = 0; |
| 95 | g14_multiply = 0; |
| 96 | mem_set_mirror (0, 0xf8000, 4096); |
| 97 | } |
| 98 | if (strcmp (optarg, "g13") == 0) |
| 99 | { |
| 100 | rl78_g10_mode = 0; |
| 101 | g13_multiply = 1; |
| 102 | g14_multiply = 0; |
| 103 | } |
| 104 | if (strcmp (optarg, "g14") == 0) |
| 105 | { |
| 106 | rl78_g10_mode = 0; |
| 107 | g13_multiply = 0; |
| 108 | g14_multiply = 1; |
| 109 | } |
| 110 | break; |
| 111 | case '?': |
| 112 | { |
| 113 | fprintf (stderr, |
| 114 | "usage: run [options] program [arguments]\n"); |
| 115 | fprintf (stderr, |
| 116 | "\t-v\t\t- increase verbosity.\n" |
| 117 | "\t-t\t\t- trace.\n" |
| 118 | "\t-d\t\t- disassemble.\n" |
| 119 | "\t-r <bytes>\t- ram size.\n" |
| 120 | "\t-M <mcu>\t- mcu type, default none, allowed: g10,g13,g14\n" |
| 121 | "\t-D <filename>\t- dump cycle count histogram\n"); |
| 122 | exit (1); |
| 123 | } |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | prog = bfd_openr (argv[optind], 0); |
| 128 | if (!prog) |
| 129 | { |
| 130 | fprintf (stderr, "Can't read %s\n", argv[optind]); |
| 131 | exit (1); |
| 132 | } |
| 133 | |
| 134 | if (!bfd_check_format (prog, bfd_object)) |
| 135 | { |
| 136 | fprintf (stderr, "%s not a rl78 program\n", argv[optind]); |
| 137 | exit (1); |
| 138 | } |
| 139 | |
| 140 | init_cpu (); |
| 141 | |
| 142 | rl78_in_gdb = 0; |
| 143 | save_trace = trace; |
| 144 | trace = 0; |
| 145 | rl78_load (prog, 0, argv[0]); |
| 146 | trace = save_trace; |
| 147 | |
| 148 | sim_disasm_init (prog); |
| 149 | |
| 150 | rc = setjmp (decode_jmp_buf); |
| 151 | |
| 152 | if (rc == 0) |
| 153 | { |
| 154 | if (!trace && !disassemble) |
| 155 | { |
| 156 | /* This will longjmp to the above if an exception |
| 157 | happens. */ |
| 158 | for (;;) |
| 159 | decode_opcode (); |
| 160 | } |
| 161 | else |
| 162 | while (1) |
| 163 | { |
| 164 | |
| 165 | if (trace) |
| 166 | printf ("\n"); |
| 167 | |
| 168 | if (disassemble) |
| 169 | sim_disasm_one (); |
| 170 | |
| 171 | rc = decode_opcode (); |
| 172 | |
| 173 | if (trace) |
| 174 | trace_register_changes (); |
| 175 | } |
| 176 | } |
| 177 | |
| 178 | if (RL78_HIT_BREAK (rc)) |
| 179 | done (1); |
| 180 | else if (RL78_EXITED (rc)) |
| 181 | done (RL78_EXIT_STATUS (rc)); |
| 182 | else if (RL78_STOPPED (rc)) |
| 183 | { |
| 184 | if (verbose) |
| 185 | printf ("Stopped on signal %d\n", RL78_STOP_SIG (rc)); |
| 186 | exit (1); |
| 187 | } |
| 188 | done (0); |
| 189 | exit (0); |
| 190 | } |