| 1 |
/* |
| 2 |
* Copyright (C) 2003-2007 Anders Gavare. All rights reserved. |
| 3 |
* |
| 4 |
* Redistribution and use in source and binary forms, with or without |
| 5 |
* modification, are permitted provided that the following conditions are met: |
| 6 |
* |
| 7 |
* 1. Redistributions of source code must retain the above copyright |
| 8 |
* notice, this list of conditions and the following disclaimer. |
| 9 |
* 2. Redistributions in binary form must reproduce the above copyright |
| 10 |
* notice, this list of conditions and the following disclaimer in the |
| 11 |
* documentation and/or other materials provided with the distribution. |
| 12 |
* 3. The name of the author may not be used to endorse or promote products |
| 13 |
* derived from this software without specific prior written permission. |
| 14 |
* |
| 15 |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| 16 |
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 17 |
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 18 |
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 19 |
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 20 |
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 21 |
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 22 |
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 23 |
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 24 |
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 25 |
* SUCH DAMAGE. |
| 26 |
* |
| 27 |
* |
| 28 |
* $Id: main.c,v 1.311 2007/06/28 14:58:38 debug Exp $ |
| 29 |
*/ |
| 30 |
|
| 31 |
#include <stdio.h> |
| 32 |
#include <stdlib.h> |
| 33 |
#include <stdarg.h> |
| 34 |
#include <string.h> |
| 35 |
#include <time.h> |
| 36 |
#include <unistd.h> |
| 37 |
|
| 38 |
#include "console.h" |
| 39 |
#include "cpu.h" |
| 40 |
#include "debugger.h" |
| 41 |
#include "device.h" |
| 42 |
#include "diskimage.h" |
| 43 |
#include "emul.h" |
| 44 |
#include "machine.h" |
| 45 |
#include "misc.h" |
| 46 |
#include "settings.h" |
| 47 |
#include "timer.h" |
| 48 |
#include "useremul.h" |
| 49 |
|
| 50 |
|
| 51 |
extern int single_step; |
| 52 |
extern int force_debugger_at_exit; |
| 53 |
|
| 54 |
extern int optind; |
| 55 |
extern char *optarg; |
| 56 |
|
| 57 |
struct settings *global_settings; |
| 58 |
|
| 59 |
int extra_argc; |
| 60 |
char **extra_argv; |
| 61 |
char *progname; |
| 62 |
|
| 63 |
size_t dyntrans_cache_size = DEFAULT_DYNTRANS_CACHE_SIZE; |
| 64 |
static int skip_srandom_call = 0; |
| 65 |
|
| 66 |
|
| 67 |
/***************************************************************************** |
| 68 |
* |
| 69 |
* NOTE: debug(), fatal(), and debug_indentation() are not re-entrant. |
| 70 |
* The global variable quiet_mode can be used to suppress the output |
| 71 |
* of debug(), but not the output of fatal(). |
| 72 |
* |
| 73 |
*****************************************************************************/ |
| 74 |
|
| 75 |
int verbose = 0; |
| 76 |
int quiet_mode = 0; |
| 77 |
|
| 78 |
static int debug_indent = 0; |
| 79 |
static int debug_currently_at_start_of_line = 1; |
| 80 |
|
| 81 |
|
| 82 |
/* |
| 83 |
* va_debug(): |
| 84 |
* |
| 85 |
* Used internally by debug() and fatal(). |
| 86 |
*/ |
| 87 |
static void va_debug(va_list argp, char *fmt) |
| 88 |
{ |
| 89 |
char buf[DEBUG_BUFSIZE + 1]; |
| 90 |
char *s; |
| 91 |
int i; |
| 92 |
|
| 93 |
buf[0] = buf[DEBUG_BUFSIZE] = 0; |
| 94 |
vsnprintf(buf, DEBUG_BUFSIZE, fmt, argp); |
| 95 |
|
| 96 |
s = buf; |
| 97 |
while (*s) { |
| 98 |
if (debug_currently_at_start_of_line) { |
| 99 |
for (i=0; i<debug_indent; i++) |
| 100 |
printf(" "); |
| 101 |
} |
| 102 |
|
| 103 |
printf("%c", *s); |
| 104 |
|
| 105 |
debug_currently_at_start_of_line = 0; |
| 106 |
if (*s == '\n' || *s == '\r') |
| 107 |
debug_currently_at_start_of_line = 1; |
| 108 |
s++; |
| 109 |
} |
| 110 |
} |
| 111 |
|
| 112 |
|
| 113 |
/* |
| 114 |
* debug_indentation(): |
| 115 |
* |
| 116 |
* Modify the debug indentation. |
| 117 |
*/ |
| 118 |
void debug_indentation(int diff) |
| 119 |
{ |
| 120 |
debug_indent += diff; |
| 121 |
if (debug_indent < 0) |
| 122 |
fprintf(stderr, "WARNING: debug_indent less than 0!\n"); |
| 123 |
} |
| 124 |
|
| 125 |
|
| 126 |
/* |
| 127 |
* debug(): |
| 128 |
* |
| 129 |
* Debug output (ignored if quiet_mode is set). |
| 130 |
*/ |
| 131 |
void debug(char *fmt, ...) |
| 132 |
{ |
| 133 |
va_list argp; |
| 134 |
|
| 135 |
if (quiet_mode) |
| 136 |
return; |
| 137 |
|
| 138 |
va_start(argp, fmt); |
| 139 |
va_debug(argp, fmt); |
| 140 |
va_end(argp); |
| 141 |
} |
| 142 |
|
| 143 |
|
| 144 |
/* |
| 145 |
* fatal(): |
| 146 |
* |
| 147 |
* Fatal works like debug(), but doesn't care about the quiet_mode |
| 148 |
* setting. |
| 149 |
*/ |
| 150 |
void fatal(char *fmt, ...) |
| 151 |
{ |
| 152 |
va_list argp; |
| 153 |
|
| 154 |
va_start(argp, fmt); |
| 155 |
va_debug(argp, fmt); |
| 156 |
va_end(argp); |
| 157 |
} |
| 158 |
|
| 159 |
|
| 160 |
/*****************************************************************************/ |
| 161 |
|
| 162 |
|
| 163 |
/* |
| 164 |
* internal_w(): |
| 165 |
* |
| 166 |
* For internal use by gxemul itself. |
| 167 |
*/ |
| 168 |
void internal_w(char *arg) |
| 169 |
{ |
| 170 |
if (arg == NULL || strncmp(arg, "W@", 2) != 0) { |
| 171 |
fprintf(stderr, "-W is for internal use by gxemul," |
| 172 |
" not for manual use.\n"); |
| 173 |
exit(1); |
| 174 |
} |
| 175 |
|
| 176 |
arg += 2; |
| 177 |
|
| 178 |
switch (arg[0]) { |
| 179 |
case 'S': |
| 180 |
console_slave(arg + 1); |
| 181 |
break; |
| 182 |
default: |
| 183 |
fprintf(stderr, "internal_w(): UNIMPLEMENTED arg = '%s'\n", |
| 184 |
arg); |
| 185 |
} |
| 186 |
} |
| 187 |
|
| 188 |
|
| 189 |
/*****************************************************************************/ |
| 190 |
|
| 191 |
|
| 192 |
/* |
| 193 |
* usage(): |
| 194 |
* |
| 195 |
* Prints program usage to stdout. |
| 196 |
*/ |
| 197 |
static void usage(int longusage) |
| 198 |
{ |
| 199 |
printf("GXemul "VERSION" Copyright (C) 2003-2007 Anders Gavare\n"); |
| 200 |
printf("Read the source code and/or documentation for " |
| 201 |
"other Copyright messages.\n"); |
| 202 |
|
| 203 |
printf("\nusage: %s [machine, other, and general options] [file " |
| 204 |
"[...]]\n", progname); |
| 205 |
printf(" or %s [general options] @configfile\n", progname); |
| 206 |
printf(" or %s [userland, other, and general options] file " |
| 207 |
"[args ...]\n", progname); |
| 208 |
|
| 209 |
if (!longusage) { |
| 210 |
printf("\nRun %s -h for help on command line options.\n", |
| 211 |
progname); |
| 212 |
return; |
| 213 |
} |
| 214 |
|
| 215 |
printf("\nMachine selection options:\n"); |
| 216 |
printf(" -E t try to emulate machine type t. (Use -H to get " |
| 217 |
"a list of types.)\n"); |
| 218 |
printf(" -e st try to emulate machine subtype st. (Use this " |
| 219 |
"with -E.)\n"); |
| 220 |
|
| 221 |
printf("\nOther options:\n"); |
| 222 |
printf(" -C x try to emulate a specific CPU. (Use -H to get a " |
| 223 |
"list of types.)\n"); |
| 224 |
printf(" -d fname add fname as a disk image. You can add \"xxx:\"" |
| 225 |
" as a prefix\n"); |
| 226 |
printf(" where xxx is one or more of the following:\n"); |
| 227 |
printf(" b specifies that this is the boot" |
| 228 |
" device\n"); |
| 229 |
printf(" c CD-ROM\n"); |
| 230 |
printf(" d DISK\n"); |
| 231 |
printf(" f FLOPPY\n"); |
| 232 |
printf(" gH;S; set geometry to H heads and S" |
| 233 |
" sectors-per-track\n"); |
| 234 |
printf(" i IDE\n"); |
| 235 |
printf(" oOFS; set base offset to OFS (for ISO9660" |
| 236 |
" filesystems)\n"); |
| 237 |
printf(" r read-only (don't allow changes to the" |
| 238 |
" file)\n"); |
| 239 |
printf(" s SCSI\n"); |
| 240 |
printf(" t tape\n"); |
| 241 |
printf(" V add an overlay\n"); |
| 242 |
printf(" 0-7 force a specific ID\n"); |
| 243 |
printf(" -I hz set the main cpu frequency to hz (not used by " |
| 244 |
"all combinations\n of machines and guest OSes)\n"); |
| 245 |
printf(" -i display each instruction as it is executed\n"); |
| 246 |
printf(" -J disable dyntrans instruction combinations\n"); |
| 247 |
printf(" -j name set the name of the kernel; for DECstation " |
| 248 |
"emulation, this passes\n the name to the bootloader," |
| 249 |
" for example:\n"); |
| 250 |
printf(" -j netbsd (NetBSD/pmax) " |
| 251 |
"-j bsd (OpenBSD/pmax)\n"); |
| 252 |
printf(" -j vmsprite (Sprite/pmax) " |
| 253 |
"-j vmunix (Ultrix/RISC)\n"); |
| 254 |
printf(" For other emulation modes, if the boot disk is an" |
| 255 |
" ISO9660\n filesystem, -j sets the name of the" |
| 256 |
" kernel to load.\n"); |
| 257 |
printf(" -M m emulate m MBs of physical RAM\n"); |
| 258 |
printf(" -N display nr of instructions/second average, at" |
| 259 |
" regular intervals\n"); |
| 260 |
printf(" -n nr set nr of CPUs (for SMP experiments)\n"); |
| 261 |
printf(" -O force netboot (tftp instead of disk), even when" |
| 262 |
" a disk image is\n" |
| 263 |
" present (for DECstation, SGI, and ARC emulation)\n"); |
| 264 |
printf(" -o arg set the boot argument, for DEC, ARC, or SGI" |
| 265 |
" emulation\n"); |
| 266 |
printf(" (default arg for DEC is -a, for ARC/SGI -aN)\n"); |
| 267 |
printf(" -p pc add a breakpoint (remember to use the '0x' " |
| 268 |
"prefix for hex!)\n"); |
| 269 |
printf(" -Q no built-in PROM emulation (use this for " |
| 270 |
"running ROM images)\n"); |
| 271 |
printf(" -R use random bootstrap cpu, instead of nr 0\n"); |
| 272 |
printf(" -r register dumps before every instruction\n"); |
| 273 |
printf(" -S initialize emulated RAM to random bytes, " |
| 274 |
"instead of zeroes\n"); |
| 275 |
printf(" -s f:name write statistics to file 'name', " |
| 276 |
"f is one or more of the following:\n"); |
| 277 |
printf(" v virtual program counter\n"); |
| 278 |
printf(" p physical equivalent of program counter\n"); |
| 279 |
printf(" i internal ic->f representation of " |
| 280 |
"the program counter\n"); |
| 281 |
printf(" and optionally:\n"); |
| 282 |
printf(" d disable statistics gathering at " |
| 283 |
"startup\n"); |
| 284 |
printf(" o overwrite instead of append\n"); |
| 285 |
printf(" -T halt on non-existant memory accesses\n"); |
| 286 |
printf(" -t show function trace tree\n"); |
| 287 |
printf(" -U enable slow_serial_interrupts_hack_for_linux\n"); |
| 288 |
#ifdef WITH_X11 |
| 289 |
printf(" -X use X11\n"); |
| 290 |
printf(" -x open up new xterms for emulated serial ports " |
| 291 |
"(default is on when\n using configuration files or" |
| 292 |
" when X11 is used, off otherwise)\n"); |
| 293 |
printf(" -Y n scale down framebuffer windows by n x n times\n"); |
| 294 |
#endif /* WITH_X11 */ |
| 295 |
printf(" -Z n set nr of graphics cards, for emulating a " |
| 296 |
"dual-head or tripple-head\n" |
| 297 |
" environment (only for DECstation emulation)\n"); |
| 298 |
printf(" -z disp add disp as an X11 display to use for " |
| 299 |
"framebuffers\n"); |
| 300 |
|
| 301 |
printf("\nUserland options:\n"); |
| 302 |
printf(" -u emul userland-only (syscall) emulation (use -H to" |
| 303 |
" get a list of\n available emulation modes)\n"); |
| 304 |
|
| 305 |
printf("\nGeneral options:\n"); |
| 306 |
printf(" -c cmd add cmd as a command to run before starting " |
| 307 |
"the simulation\n"); |
| 308 |
printf(" -D skip the srandom call at startup\n"); |
| 309 |
printf(" -H display a list of possible CPU and " |
| 310 |
"machine types\n"); |
| 311 |
printf(" -h display this help message\n"); |
| 312 |
printf(" -k n set dyntrans translation caches to n MB (default" |
| 313 |
" size is %i MB)\n", DEFAULT_DYNTRANS_CACHE_SIZE / 1048576); |
| 314 |
printf(" -K force the debugger to be entered at the end " |
| 315 |
"of a simulation\n"); |
| 316 |
printf(" -q quiet mode (don't print startup messages)\n"); |
| 317 |
printf(" -V start up in the single-step debugger, paused\n"); |
| 318 |
printf(" -v verbose debug messages\n"); |
| 319 |
printf("\n"); |
| 320 |
printf("If you are selecting a machine type to emulate directly " |
| 321 |
"on the command line,\nthen you must specify one or more names" |
| 322 |
" of files that you wish to load into\n" |
| 323 |
"memory. Supported formats are: ELF a.out ecoff srec syms raw\n" |
| 324 |
"where syms is the text produced by running 'nm' (or 'nm -S') " |
| 325 |
"on a binary.\n" |
| 326 |
"To load a raw binary into memory, add \"address:\" in front " |
| 327 |
"of the filename,\n" |
| 328 |
"or \"address:skiplen:\" or \"address:skiplen:initialpc:\".\n" |
| 329 |
"\nExamples:\n" |
| 330 |
" 0xbfc00000:rom.bin for a raw ROM image\n" |
| 331 |
" 0xbfc00000:0x100:rom.bin for an image with " |
| 332 |
"0x100 bytes header\n" |
| 333 |
" 0xbfc00000:0x100:0xbfc00884:rom.bin " |
| 334 |
"start with pc=0xbfc00884\n\n"); |
| 335 |
} |
| 336 |
|
| 337 |
|
| 338 |
/* |
| 339 |
* get_cmd_args(): |
| 340 |
* |
| 341 |
* Reads command line arguments. |
| 342 |
*/ |
| 343 |
int get_cmd_args(int argc, char *argv[], struct emul *emul, |
| 344 |
char ***diskimagesp, int *n_diskimagesp) |
| 345 |
{ |
| 346 |
int ch, res, using_switch_d = 0, using_switch_Z = 0; |
| 347 |
int using_switch_e = 0, using_switch_E = 0; |
| 348 |
char *type = NULL, *subtype = NULL; |
| 349 |
int n_cpus_set = 0; |
| 350 |
int msopts = 0; /* Machine-specific options used */ |
| 351 |
struct machine *m = emul_add_machine(emul, NULL); |
| 352 |
|
| 353 |
char *opts = |
| 354 |
"C:c:Dd:E:e:HhI:iJj:k:KM:Nn:Oo:p:QqRrSs:TtUu:VvW:" |
| 355 |
#ifdef WITH_X11 |
| 356 |
"XxY:" |
| 357 |
#endif |
| 358 |
"Z:z:"; |
| 359 |
|
| 360 |
while ((ch = getopt(argc, argv, opts)) != -1) { |
| 361 |
switch (ch) { |
| 362 |
case 'C': |
| 363 |
CHECK_ALLOCATION(m->cpu_name = strdup(optarg)); |
| 364 |
msopts = 1; |
| 365 |
break; |
| 366 |
case 'c': |
| 367 |
emul->n_debugger_cmds ++; |
| 368 |
CHECK_ALLOCATION(emul->debugger_cmds = |
| 369 |
realloc(emul->debugger_cmds, |
| 370 |
emul->n_debugger_cmds * sizeof(char *))); |
| 371 |
CHECK_ALLOCATION(emul->debugger_cmds[emul-> |
| 372 |
n_debugger_cmds-1] = strdup(optarg)); |
| 373 |
break; |
| 374 |
case 'D': |
| 375 |
skip_srandom_call = 1; |
| 376 |
break; |
| 377 |
case 'd': |
| 378 |
/* diskimage_add() is called further down */ |
| 379 |
(*n_diskimagesp) ++; |
| 380 |
CHECK_ALLOCATION( (*diskimagesp) = |
| 381 |
realloc(*diskimagesp, |
| 382 |
sizeof(char *) * (*n_diskimagesp)) ); |
| 383 |
CHECK_ALLOCATION( (*diskimagesp)[(*n_diskimagesp) - 1] = |
| 384 |
strdup(optarg) ); |
| 385 |
using_switch_d = 1; |
| 386 |
msopts = 1; |
| 387 |
break; |
| 388 |
case 'E': |
| 389 |
if (using_switch_E ++ > 0) { |
| 390 |
fprintf(stderr, "-E already used.\n"); |
| 391 |
exit(1); |
| 392 |
} |
| 393 |
type = optarg; |
| 394 |
msopts = 1; |
| 395 |
break; |
| 396 |
case 'e': |
| 397 |
if (using_switch_e ++ > 0) { |
| 398 |
fprintf(stderr, "-e already used.\n"); |
| 399 |
exit(1); |
| 400 |
} |
| 401 |
subtype = optarg; |
| 402 |
msopts = 1; |
| 403 |
break; |
| 404 |
case 'H': |
| 405 |
machine_list_available_types_and_cpus(); |
| 406 |
exit(1); |
| 407 |
case 'h': |
| 408 |
usage(1); |
| 409 |
exit(1); |
| 410 |
case 'I': |
| 411 |
m->emulated_hz = atoi(optarg); |
| 412 |
msopts = 1; |
| 413 |
break; |
| 414 |
case 'i': |
| 415 |
m->instruction_trace = 1; |
| 416 |
msopts = 1; |
| 417 |
break; |
| 418 |
case 'J': |
| 419 |
m->allow_instruction_combinations = 0; |
| 420 |
msopts = 1; |
| 421 |
break; |
| 422 |
case 'j': |
| 423 |
CHECK_ALLOCATION(m->boot_kernel_filename = |
| 424 |
strdup(optarg)); |
| 425 |
msopts = 1; |
| 426 |
break; |
| 427 |
case 'k': |
| 428 |
dyntrans_cache_size = atoi(optarg) * 1048576; |
| 429 |
if (dyntrans_cache_size < 1) { |
| 430 |
fprintf(stderr, "The dyntrans cache size must" |
| 431 |
" be at least 1 MB.\n"); |
| 432 |
exit(1); |
| 433 |
} |
| 434 |
break; |
| 435 |
case 'K': |
| 436 |
force_debugger_at_exit = 1; |
| 437 |
break; |
| 438 |
case 'M': |
| 439 |
m->physical_ram_in_mb = atoi(optarg); |
| 440 |
msopts = 1; |
| 441 |
break; |
| 442 |
case 'N': |
| 443 |
m->show_nr_of_instructions = 1; |
| 444 |
msopts = 1; |
| 445 |
break; |
| 446 |
case 'n': |
| 447 |
m->ncpus = atoi(optarg); |
| 448 |
n_cpus_set = 1; |
| 449 |
msopts = 1; |
| 450 |
break; |
| 451 |
case 'O': |
| 452 |
m->force_netboot = 1; |
| 453 |
msopts = 1; |
| 454 |
break; |
| 455 |
case 'o': |
| 456 |
CHECK_ALLOCATION(m->boot_string_argument = |
| 457 |
strdup(optarg)); |
| 458 |
msopts = 1; |
| 459 |
break; |
| 460 |
case 'p': |
| 461 |
machine_add_breakpoint_string(m, optarg); |
| 462 |
msopts = 1; |
| 463 |
break; |
| 464 |
case 'Q': |
| 465 |
m->prom_emulation = 0; |
| 466 |
msopts = 1; |
| 467 |
break; |
| 468 |
case 'q': |
| 469 |
quiet_mode = 1; |
| 470 |
break; |
| 471 |
case 'R': |
| 472 |
m->use_random_bootstrap_cpu = 1; |
| 473 |
msopts = 1; |
| 474 |
break; |
| 475 |
case 'r': |
| 476 |
m->register_dump = 1; |
| 477 |
msopts = 1; |
| 478 |
break; |
| 479 |
case 'S': |
| 480 |
m->random_mem_contents = 1; |
| 481 |
msopts = 1; |
| 482 |
break; |
| 483 |
case 's': |
| 484 |
machine_statistics_init(m, optarg); |
| 485 |
msopts = 1; |
| 486 |
break; |
| 487 |
case 'T': |
| 488 |
m->halt_on_nonexistant_memaccess = 1; |
| 489 |
msopts = 1; |
| 490 |
break; |
| 491 |
case 't': |
| 492 |
m->show_trace_tree = 1; |
| 493 |
msopts = 1; |
| 494 |
break; |
| 495 |
case 'U': |
| 496 |
m->slow_serial_interrupts_hack_for_linux = 1; |
| 497 |
msopts = 1; |
| 498 |
break; |
| 499 |
case 'u': |
| 500 |
CHECK_ALLOCATION(m->userland_emul = strdup(optarg)); |
| 501 |
m->machine_type = MACHINE_USERLAND; |
| 502 |
msopts = 1; |
| 503 |
break; |
| 504 |
case 'V': |
| 505 |
single_step = ENTER_SINGLE_STEPPING; |
| 506 |
break; |
| 507 |
case 'v': |
| 508 |
verbose ++; |
| 509 |
break; |
| 510 |
case 'W': |
| 511 |
internal_w(optarg); |
| 512 |
exit(0); |
| 513 |
case 'X': |
| 514 |
m->x11_md.in_use = 1; |
| 515 |
msopts = 1; |
| 516 |
/* FALL-THROUGH */ |
| 517 |
case 'x': |
| 518 |
console_allow_slaves(1); |
| 519 |
break; |
| 520 |
case 'Y': |
| 521 |
m->x11_md.scaledown = atoi(optarg); |
| 522 |
if (m->x11_md.scaledown < -1) { |
| 523 |
m->x11_md.scaleup = - m->x11_md.scaledown; |
| 524 |
m->x11_md.scaledown = 1; |
| 525 |
} |
| 526 |
if (m->x11_md.scaledown < 1) { |
| 527 |
fprintf(stderr, "Invalid scaledown value.\n"); |
| 528 |
exit(1); |
| 529 |
} |
| 530 |
msopts = 1; |
| 531 |
break; |
| 532 |
case 'Z': |
| 533 |
m->n_gfx_cards = atoi(optarg); |
| 534 |
using_switch_Z = 1; |
| 535 |
msopts = 1; |
| 536 |
break; |
| 537 |
case 'z': |
| 538 |
m->x11_md.n_display_names ++; |
| 539 |
CHECK_ALLOCATION(m->x11_md.display_names = realloc( |
| 540 |
m->x11_md.display_names, |
| 541 |
m->x11_md.n_display_names * sizeof(char *))); |
| 542 |
CHECK_ALLOCATION(m->x11_md.display_names[ |
| 543 |
m->x11_md.n_display_names-1] = strdup(optarg)); |
| 544 |
msopts = 1; |
| 545 |
break; |
| 546 |
default: |
| 547 |
fprintf(stderr, "Run %s -h for help on command " |
| 548 |
"line options.\n", progname); |
| 549 |
exit(1); |
| 550 |
} |
| 551 |
} |
| 552 |
|
| 553 |
if (type != NULL || subtype != NULL) { |
| 554 |
if (type == NULL) |
| 555 |
type = ""; |
| 556 |
if (subtype == NULL) |
| 557 |
subtype = ""; |
| 558 |
res = machine_name_to_type(type, subtype, |
| 559 |
&m->machine_type, &m->machine_subtype, &m->arch); |
| 560 |
if (!res) |
| 561 |
exit(1); |
| 562 |
} |
| 563 |
|
| 564 |
argc -= optind; |
| 565 |
argv += optind; |
| 566 |
|
| 567 |
extra_argc = argc; |
| 568 |
extra_argv = argv; |
| 569 |
|
| 570 |
|
| 571 |
if (m->machine_type == MACHINE_NONE && msopts) { |
| 572 |
fprintf(stderr, "Machine specific options used directly on " |
| 573 |
"the command line, but no machine\nemulation specified?\n"); |
| 574 |
exit(1); |
| 575 |
} |
| 576 |
|
| 577 |
|
| 578 |
/* -i and -r are pretty verbose: */ |
| 579 |
|
| 580 |
if (m->instruction_trace && !verbose) { |
| 581 |
fprintf(stderr, "Implicitly %sturning on -v, because" |
| 582 |
" of -i\n", quiet_mode? "turning off -q and " : ""); |
| 583 |
verbose = 1; |
| 584 |
quiet_mode = 0; |
| 585 |
} |
| 586 |
|
| 587 |
if (m->register_dump && !verbose) { |
| 588 |
fprintf(stderr, "Implicitly %sturning on -v, because" |
| 589 |
" of -r\n", quiet_mode? "turning off -q and " : ""); |
| 590 |
verbose = 1; |
| 591 |
quiet_mode = 0; |
| 592 |
} |
| 593 |
|
| 594 |
|
| 595 |
/* |
| 596 |
* Usually, an executable filename must be supplied. |
| 597 |
* |
| 598 |
* However, it is possible to boot directly from a harddisk image |
| 599 |
* file. If no kernel is supplied, but a diskimage is being used, |
| 600 |
* then try to boot from disk. |
| 601 |
*/ |
| 602 |
if (extra_argc == 0) { |
| 603 |
if (using_switch_d) { |
| 604 |
/* Booting directly from a disk image... */ |
| 605 |
} else { |
| 606 |
usage(0); |
| 607 |
fprintf(stderr, "\nNo filename given. Aborting.\n"); |
| 608 |
exit(1); |
| 609 |
} |
| 610 |
} else if (m->boot_kernel_filename[0] == '\0') { |
| 611 |
/* |
| 612 |
* Default boot_kernel_filename is "", which can be overriden |
| 613 |
* by the -j command line option. If it is still "" here, |
| 614 |
* and we're not booting directly from a disk image, then |
| 615 |
* try to set it to the last part of the last file name |
| 616 |
* given on the command line. (Last part = the stuff after |
| 617 |
* the last slash.) |
| 618 |
*/ |
| 619 |
char *s = extra_argv[extra_argc - 1]; |
| 620 |
char *s2; |
| 621 |
|
| 622 |
s2 = strrchr(s, '/'); |
| 623 |
if (s2 == NULL) |
| 624 |
s2 = s; |
| 625 |
else |
| 626 |
s2 ++; |
| 627 |
|
| 628 |
CHECK_ALLOCATION(m->boot_kernel_filename = strdup(s2)); |
| 629 |
} |
| 630 |
|
| 631 |
if (m->n_gfx_cards < 0 || m->n_gfx_cards > 3) { |
| 632 |
fprintf(stderr, "Bad number of gfx cards (-Z).\n"); |
| 633 |
exit(1); |
| 634 |
} |
| 635 |
|
| 636 |
if (!using_switch_Z && !m->x11_md.in_use) |
| 637 |
m->n_gfx_cards = 0; |
| 638 |
|
| 639 |
return 0; |
| 640 |
} |
| 641 |
|
| 642 |
|
| 643 |
/* |
| 644 |
* main(): |
| 645 |
* |
| 646 |
* Two kinds of emulations are started from here: |
| 647 |
* |
| 648 |
* o) Simple emulations, using command line arguments, compatible with |
| 649 |
* earlier version of GXemul/mips64emul. |
| 650 |
* |
| 651 |
* o) Emulations set up by parsing special config files. (0 or more.) |
| 652 |
*/ |
| 653 |
int main(int argc, char *argv[]) |
| 654 |
{ |
| 655 |
/* Setting constants: */ |
| 656 |
const int constant_yes = 1; |
| 657 |
const int constant_true = 1; |
| 658 |
const int constant_no = 0; |
| 659 |
const int constant_false = 0; |
| 660 |
|
| 661 |
struct emul *emul; |
| 662 |
int config_file = 0; |
| 663 |
|
| 664 |
char **diskimages = NULL; |
| 665 |
int n_diskimages = 0; |
| 666 |
int i; |
| 667 |
|
| 668 |
|
| 669 |
progname = argv[0]; |
| 670 |
|
| 671 |
|
| 672 |
/* |
| 673 |
* Create the settings object, and add global settings to it: |
| 674 |
* |
| 675 |
* Read-only "constants": yes, no, true, false. |
| 676 |
* Global emulator settings: verbose, single_step, ... |
| 677 |
*/ |
| 678 |
global_settings = settings_new(); |
| 679 |
|
| 680 |
settings_add(global_settings, "yes", 0, SETTINGS_TYPE_INT, |
| 681 |
SETTINGS_FORMAT_YESNO, (void *)&constant_yes); |
| 682 |
settings_add(global_settings, "no", 0, SETTINGS_TYPE_INT, |
| 683 |
SETTINGS_FORMAT_YESNO, (void *)&constant_no); |
| 684 |
settings_add(global_settings, "true", 0, SETTINGS_TYPE_INT, |
| 685 |
SETTINGS_FORMAT_BOOL, (void *)&constant_true); |
| 686 |
settings_add(global_settings, "false", 0, SETTINGS_TYPE_INT, |
| 687 |
SETTINGS_FORMAT_BOOL, (void *)&constant_false); |
| 688 |
|
| 689 |
/* Read-only settings: */ |
| 690 |
settings_add(global_settings, "single_step", 0, |
| 691 |
SETTINGS_TYPE_INT, SETTINGS_FORMAT_YESNO, (void *)&single_step); |
| 692 |
|
| 693 |
/* Read/write settings: */ |
| 694 |
settings_add(global_settings, "force_debugger_at_exit", 1, |
| 695 |
SETTINGS_TYPE_INT, SETTINGS_FORMAT_YESNO, |
| 696 |
(void *)&force_debugger_at_exit); |
| 697 |
settings_add(global_settings, "verbose", 1, |
| 698 |
SETTINGS_TYPE_INT, SETTINGS_FORMAT_YESNO, (void *)&verbose); |
| 699 |
settings_add(global_settings, "quiet_mode", 1, |
| 700 |
SETTINGS_TYPE_INT, SETTINGS_FORMAT_YESNO, (void *)&quiet_mode); |
| 701 |
|
| 702 |
/* Initialize all emulator subsystems: */ |
| 703 |
console_init(); |
| 704 |
cpu_init(); |
| 705 |
device_init(); |
| 706 |
machine_init(); |
| 707 |
timer_init(); |
| 708 |
useremul_init(); |
| 709 |
|
| 710 |
/* Create a simple emulation setup: */ |
| 711 |
emul = emul_new(NULL); |
| 712 |
settings_add(global_settings, "emul", 1, |
| 713 |
SETTINGS_TYPE_SUBSETTINGS, 0, emul->settings); |
| 714 |
|
| 715 |
get_cmd_args(argc, argv, emul, &diskimages, &n_diskimages); |
| 716 |
|
| 717 |
if (!skip_srandom_call) { |
| 718 |
struct timeval tv; |
| 719 |
gettimeofday(&tv, NULL); |
| 720 |
srandom(tv.tv_sec ^ getpid() ^ tv.tv_usec); |
| 721 |
} |
| 722 |
|
| 723 |
/* Print startup message: */ |
| 724 |
debug("GXemul "VERSION" Copyright (C) 2003-2007 Anders Gavare\n" |
| 725 |
"Read the source code and/or documentation for other Copyright " |
| 726 |
"messages.\n\n"); |
| 727 |
|
| 728 |
/* Simple initialization, from command line arguments: */ |
| 729 |
if (emul->machines[0]->machine_type != MACHINE_NONE) { |
| 730 |
for (i=0; i<n_diskimages; i++) |
| 731 |
diskimage_add(emul->machines[0], diskimages[i]); |
| 732 |
|
| 733 |
/* Make sure that there are no configuration files as well: */ |
| 734 |
for (i=1; i<argc; i++) |
| 735 |
if (argv[i][0] == '@') { |
| 736 |
fprintf(stderr, "You can either start one " |
| 737 |
"emulation with one machine directly from " |
| 738 |
"the command\nline, or start one or more " |
| 739 |
"emulations using configuration files." |
| 740 |
" Not both.\n"); |
| 741 |
exit(1); |
| 742 |
} |
| 743 |
|
| 744 |
/* Initialize one emul: */ |
| 745 |
emul_simple_init(emul); |
| 746 |
} |
| 747 |
|
| 748 |
/* Initialize an emulation from a config file: */ |
| 749 |
for (i=1; i<argc; i++) { |
| 750 |
if (argv[i][0] == '@') { |
| 751 |
char *s = argv[i] + 1; |
| 752 |
|
| 753 |
if (config_file) { |
| 754 |
fprintf(stderr, "More than one configuration " |
| 755 |
"file cannot be used.\n"); |
| 756 |
exit(1); |
| 757 |
} |
| 758 |
|
| 759 |
if (strlen(s) == 0 && i+1 < argc && *argv[i+1] != '@') |
| 760 |
s = argv[++i]; |
| 761 |
|
| 762 |
/* Always allow slave xterms: */ |
| 763 |
console_allow_slaves(1); |
| 764 |
|
| 765 |
/* Destroy the temporary emul, since it will |
| 766 |
be overwritten: */ |
| 767 |
if (emul != NULL) { |
| 768 |
emul_destroy(emul); |
| 769 |
settings_remove(global_settings, "emul"); |
| 770 |
emul = NULL; |
| 771 |
} |
| 772 |
|
| 773 |
emul = emul_create_from_configfile(s); |
| 774 |
|
| 775 |
settings_add(global_settings, "emul", 1, |
| 776 |
SETTINGS_TYPE_SUBSETTINGS, 0, emul->settings); |
| 777 |
|
| 778 |
config_file = 1; |
| 779 |
} |
| 780 |
} |
| 781 |
|
| 782 |
if (emul->n_machines == 0) { |
| 783 |
fprintf(stderr, "No emulations defined. Maybe you forgot to " |
| 784 |
"use -E xx and/or -e yy, to specify\nthe machine type." |
| 785 |
" For example:\n\n %s -e 3max -d disk.img\n\n" |
| 786 |
"to boot an emulated DECstation 5000/200 with a disk " |
| 787 |
"image.\n", progname); |
| 788 |
exit(1); |
| 789 |
} |
| 790 |
|
| 791 |
device_set_exit_on_error(0); |
| 792 |
console_warn_if_slaves_are_needed(1); |
| 793 |
|
| 794 |
|
| 795 |
/* Run the emulation: */ |
| 796 |
emul_run(emul); |
| 797 |
|
| 798 |
|
| 799 |
/* |
| 800 |
* Deinitialize everything: |
| 801 |
*/ |
| 802 |
|
| 803 |
console_deinit(); |
| 804 |
|
| 805 |
emul_destroy(emul); |
| 806 |
|
| 807 |
settings_remove_all(global_settings); |
| 808 |
settings_destroy(global_settings); |
| 809 |
|
| 810 |
return 0; |
| 811 |
} |
| 812 |
|
Parent Directory
| 
Revision Log