| 1 | /* main.c --- main function for stand-alone M32C simulator. |
| 2 | |
| 3 | Copyright (C) 2005, 2007-2012 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 | #include "config.h" |
| 23 | #include <stdio.h> |
| 24 | #include <string.h> |
| 25 | #include <stdlib.h> |
| 26 | #include <unistd.h> |
| 27 | #include <assert.h> |
| 28 | #include <setjmp.h> |
| 29 | #include <signal.h> |
| 30 | #include <sys/types.h> |
| 31 | |
| 32 | #ifdef HAVE_SYS_SOCKET_H |
| 33 | #ifdef HAVE_NETINET_IN_H |
| 34 | #ifdef HAVE_NETINET_TCP_H |
| 35 | #define HAVE_networking |
| 36 | #endif |
| 37 | #endif |
| 38 | #endif |
| 39 | |
| 40 | #ifdef HAVE_networking |
| 41 | #include <sys/socket.h> |
| 42 | #include <netinet/in.h> |
| 43 | #include <netinet/tcp.h> |
| 44 | #endif |
| 45 | |
| 46 | |
| 47 | #include "bfd.h" |
| 48 | |
| 49 | #include "cpu.h" |
| 50 | #include "mem.h" |
| 51 | #include "misc.h" |
| 52 | #include "load.h" |
| 53 | #include "trace.h" |
| 54 | #ifdef TIMER_A |
| 55 | #include "int.h" |
| 56 | #include "timer_a.h" |
| 57 | #endif |
| 58 | |
| 59 | #ifdef HAVE_networking |
| 60 | extern int m32c_console_ofd; |
| 61 | extern int m32c_console_ifd; |
| 62 | #endif |
| 63 | |
| 64 | int m32c_disassemble = 0; |
| 65 | static unsigned int cycles = 0; |
| 66 | |
| 67 | static void |
| 68 | done (int exit_code) |
| 69 | { |
| 70 | if (verbose) |
| 71 | { |
| 72 | stack_heap_stats (); |
| 73 | mem_usage_stats (); |
| 74 | printf ("insns: %14s\n", comma (cycles)); |
| 75 | } |
| 76 | exit (exit_code); |
| 77 | } |
| 78 | |
| 79 | #ifdef HAVE_networking |
| 80 | static void |
| 81 | setup_tcp_console (char *portname) |
| 82 | { |
| 83 | int port = atoi (portname); |
| 84 | struct sockaddr_in address; |
| 85 | int isocket; |
| 86 | socklen_t as; |
| 87 | unsigned char *a; |
| 88 | |
| 89 | if (port < 1024) |
| 90 | { |
| 91 | printf ("invalid port number %d\n", port); |
| 92 | exit (1); |
| 93 | } |
| 94 | printf ("waiting for tcp console on port %d\n", port); |
| 95 | |
| 96 | memset (&address, 0, sizeof (address)); |
| 97 | address.sin_family = AF_INET; |
| 98 | address.sin_port = htons (port); |
| 99 | |
| 100 | isocket = socket (AF_INET, SOCK_STREAM, 0); |
| 101 | if (isocket == -1) |
| 102 | { |
| 103 | perror ("socket"); |
| 104 | exit (1); |
| 105 | } |
| 106 | |
| 107 | if (bind (isocket, (struct sockaddr *) &address, sizeof (address))) |
| 108 | { |
| 109 | perror ("bind"); |
| 110 | exit (1); |
| 111 | } |
| 112 | listen (isocket, 2); |
| 113 | |
| 114 | printf ("waiting for connection...\n"); |
| 115 | as = sizeof (address); |
| 116 | m32c_console_ifd = accept (isocket, (struct sockaddr *) &address, &as); |
| 117 | if (m32c_console_ifd == -1) |
| 118 | { |
| 119 | perror ("accept"); |
| 120 | exit (1); |
| 121 | } |
| 122 | a = (unsigned char *) (&address.sin_addr.s_addr); |
| 123 | printf ("connection from %d.%d.%d.%d\n", a[0], a[1], a[2], a[3]); |
| 124 | m32c_console_ofd = m32c_console_ifd; |
| 125 | } |
| 126 | #endif |
| 127 | |
| 128 | int |
| 129 | main (int argc, char **argv) |
| 130 | { |
| 131 | int o; |
| 132 | int save_trace; |
| 133 | bfd *prog; |
| 134 | #ifdef HAVE_networking |
| 135 | char *console_port_s = 0; |
| 136 | #endif |
| 137 | |
| 138 | setbuf (stdout, 0); |
| 139 | |
| 140 | in_gdb = 0; |
| 141 | |
| 142 | while ((o = getopt (argc, argv, "tc:vdm:C")) != -1) |
| 143 | switch (o) |
| 144 | { |
| 145 | case 't': |
| 146 | trace++; |
| 147 | break; |
| 148 | case 'c': |
| 149 | #ifdef HAVE_networking |
| 150 | console_port_s = optarg; |
| 151 | #else |
| 152 | fprintf (stderr, "Nework console not available in this build.\n"); |
| 153 | #endif |
| 154 | break; |
| 155 | case 'C': |
| 156 | #ifdef HAVE_TERMIOS_H |
| 157 | m32c_use_raw_console = 1; |
| 158 | #else |
| 159 | fprintf (stderr, "Raw console not available in this build.\n"); |
| 160 | #endif |
| 161 | break; |
| 162 | case 'v': |
| 163 | verbose++; |
| 164 | break; |
| 165 | case 'd': |
| 166 | m32c_disassemble++; |
| 167 | break; |
| 168 | case 'm': |
| 169 | if (strcmp (optarg, "r8c") == 0 || strcmp (optarg, "m16c") == 0) |
| 170 | default_machine = bfd_mach_m16c; |
| 171 | else if (strcmp (optarg, "m32cm") == 0 |
| 172 | || strcmp (optarg, "m32c") == 0) |
| 173 | default_machine = bfd_mach_m32c; |
| 174 | else |
| 175 | { |
| 176 | fprintf (stderr, "Invalid machine: %s\n", optarg); |
| 177 | exit (1); |
| 178 | } |
| 179 | break; |
| 180 | case '?': |
| 181 | fprintf (stderr, |
| 182 | "usage: run [-v] [-C] [-c port] [-t] [-d] [-m r8c|m16c|m32cm|m32c]" |
| 183 | " program\n"); |
| 184 | exit (1); |
| 185 | } |
| 186 | |
| 187 | prog = bfd_openr (argv[optind], 0); |
| 188 | if (!prog) |
| 189 | { |
| 190 | fprintf (stderr, "Can't read %s\n", argv[optind]); |
| 191 | exit (1); |
| 192 | } |
| 193 | |
| 194 | if (!bfd_check_format (prog, bfd_object)) |
| 195 | { |
| 196 | fprintf (stderr, "%s not a m32c program\n", argv[optind]); |
| 197 | exit (1); |
| 198 | } |
| 199 | |
| 200 | save_trace = trace; |
| 201 | trace = 0; |
| 202 | m32c_load (prog); |
| 203 | trace = save_trace; |
| 204 | |
| 205 | #ifdef HAVE_networking |
| 206 | if (console_port_s) |
| 207 | setup_tcp_console (console_port_s); |
| 208 | #endif |
| 209 | |
| 210 | sim_disasm_init (prog); |
| 211 | |
| 212 | while (1) |
| 213 | { |
| 214 | int rc; |
| 215 | |
| 216 | if (trace) |
| 217 | printf ("\n"); |
| 218 | |
| 219 | if (m32c_disassemble) |
| 220 | sim_disasm_one (); |
| 221 | |
| 222 | enable_counting = verbose; |
| 223 | cycles++; |
| 224 | rc = decode_opcode (); |
| 225 | enable_counting = 0; |
| 226 | |
| 227 | if (M32C_HIT_BREAK (rc)) |
| 228 | done (1); |
| 229 | else if (M32C_EXITED (rc)) |
| 230 | done (M32C_EXIT_STATUS (rc)); |
| 231 | else |
| 232 | assert (M32C_STEPPED (rc)); |
| 233 | |
| 234 | trace_register_changes (); |
| 235 | |
| 236 | #ifdef TIMER_A |
| 237 | update_timer_a (); |
| 238 | #endif |
| 239 | } |
| 240 | } |