| 1 |
/* |
| 2 |
* Copyright (C) 2003-2006 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. |
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* |
| 27 |
* |
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* $Id: main.c,v 1.275 2006/06/24 19:52:28 debug Exp $ |
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*/ |
| 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 |
|
| 48 |
|
| 49 |
extern volatile int single_step; |
| 50 |
extern int force_debugger_at_exit; |
| 51 |
|
| 52 |
extern int optind; |
| 53 |
extern char *optarg; |
| 54 |
|
| 55 |
struct settings *global_settings; |
| 56 |
|
| 57 |
int extra_argc; |
| 58 |
char **extra_argv; |
| 59 |
char *progname; |
| 60 |
|
| 61 |
int fully_deterministic = 0; |
| 62 |
|
| 63 |
|
| 64 |
/***************************************************************************** |
| 65 |
* |
| 66 |
* NOTE: debug(), fatal(), and debug_indentation() are not re-entrant. |
| 67 |
* The global variable quiet_mode can be used to suppress the output |
| 68 |
* of debug(), but not the output of fatal(). |
| 69 |
* |
| 70 |
*****************************************************************************/ |
| 71 |
|
| 72 |
int verbose = 0; |
| 73 |
int quiet_mode = 0; |
| 74 |
|
| 75 |
static int debug_indent = 0; |
| 76 |
static int debug_currently_at_start_of_line = 1; |
| 77 |
|
| 78 |
|
| 79 |
/* |
| 80 |
* va_debug(): |
| 81 |
* |
| 82 |
* Used internally by debug() and fatal(). |
| 83 |
*/ |
| 84 |
static void va_debug(va_list argp, char *fmt) |
| 85 |
{ |
| 86 |
char buf[DEBUG_BUFSIZE + 1]; |
| 87 |
char *s; |
| 88 |
int i; |
| 89 |
|
| 90 |
buf[0] = buf[DEBUG_BUFSIZE] = 0; |
| 91 |
vsnprintf(buf, DEBUG_BUFSIZE, fmt, argp); |
| 92 |
|
| 93 |
s = buf; |
| 94 |
while (*s) { |
| 95 |
if (debug_currently_at_start_of_line) { |
| 96 |
for (i=0; i<debug_indent; i++) |
| 97 |
printf(" "); |
| 98 |
} |
| 99 |
|
| 100 |
printf("%c", *s); |
| 101 |
|
| 102 |
debug_currently_at_start_of_line = 0; |
| 103 |
if (*s == '\n' || *s == '\r') |
| 104 |
debug_currently_at_start_of_line = 1; |
| 105 |
s++; |
| 106 |
} |
| 107 |
} |
| 108 |
|
| 109 |
|
| 110 |
/* |
| 111 |
* debug_indentation(): |
| 112 |
* |
| 113 |
* Modify the debug indentation. |
| 114 |
*/ |
| 115 |
void debug_indentation(int diff) |
| 116 |
{ |
| 117 |
debug_indent += diff; |
| 118 |
if (debug_indent < 0) |
| 119 |
fprintf(stderr, "WARNING: debug_indent less than 0!\n"); |
| 120 |
} |
| 121 |
|
| 122 |
|
| 123 |
/* |
| 124 |
* debug(): |
| 125 |
* |
| 126 |
* Debug output (ignored if quiet_mode is set). |
| 127 |
*/ |
| 128 |
void debug(char *fmt, ...) |
| 129 |
{ |
| 130 |
va_list argp; |
| 131 |
|
| 132 |
if (quiet_mode) |
| 133 |
return; |
| 134 |
|
| 135 |
va_start(argp, fmt); |
| 136 |
va_debug(argp, fmt); |
| 137 |
va_end(argp); |
| 138 |
} |
| 139 |
|
| 140 |
|
| 141 |
/* |
| 142 |
* fatal(): |
| 143 |
* |
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* Fatal works like debug(), but doesn't care about the quiet_mode |
| 145 |
* setting. |
| 146 |
*/ |
| 147 |
void fatal(char *fmt, ...) |
| 148 |
{ |
| 149 |
va_list argp; |
| 150 |
|
| 151 |
va_start(argp, fmt); |
| 152 |
va_debug(argp, fmt); |
| 153 |
va_end(argp); |
| 154 |
} |
| 155 |
|
| 156 |
|
| 157 |
/*****************************************************************************/ |
| 158 |
|
| 159 |
|
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/* |
| 161 |
* internal_w(): |
| 162 |
* |
| 163 |
* For internal use by gxemul itself. |
| 164 |
*/ |
| 165 |
void internal_w(char *arg) |
| 166 |
{ |
| 167 |
if (arg == NULL || strncmp(arg, "W@", 2) != 0) { |
| 168 |
fprintf(stderr, "-W is for internal use by gxemul," |
| 169 |
" not for manual use.\n"); |
| 170 |
exit(1); |
| 171 |
} |
| 172 |
|
| 173 |
arg += 2; |
| 174 |
|
| 175 |
switch (arg[0]) { |
| 176 |
case 'S': |
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console_slave(arg + 1); |
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break; |
| 179 |
default: |
| 180 |
fprintf(stderr, "internal_w(): UNIMPLEMENTED arg = '%s'\n", |
| 181 |
arg); |
| 182 |
} |
| 183 |
} |
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|
| 185 |
|
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/*****************************************************************************/ |
| 187 |
|
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|
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/* |
| 190 |
* usage(): |
| 191 |
* |
| 192 |
* Prints program usage to stdout. |
| 193 |
*/ |
| 194 |
static void usage(int longusage) |
| 195 |
{ |
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printf("GXemul"); |
| 197 |
#ifdef VERSION |
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printf("-" VERSION); |
| 199 |
#endif |
| 200 |
printf(" Copyright (C) 2003-2006 Anders Gavare\n"); |
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printf("Read the source code and/or documentation for " |
| 202 |
"other Copyright messages.\n"); |
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|
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printf("\nusage: %s [machine, other, and general options] [file " |
| 205 |
"[...]]\n", progname); |
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printf(" or %s [general options] @configfile\n", progname); |
| 207 |
#ifdef UNSTABLE_DEVEL |
| 208 |
printf(" or %s [userland, other, and general options] file " |
| 209 |
"[args ...]\n", progname); |
| 210 |
#endif |
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|
| 212 |
if (!longusage) { |
| 213 |
printf("\nRun %s -h for help on command line options.\n", |
| 214 |
progname); |
| 215 |
return; |
| 216 |
} |
| 217 |
|
| 218 |
printf("\nMachine selection options:\n"); |
| 219 |
printf(" -E t try to emulate machine type t. (Use -H to get " |
| 220 |
"a list of types.)\n"); |
| 221 |
printf(" -e st try to emulate machine subtype st. (Use this " |
| 222 |
"with -E.)\n"); |
| 223 |
|
| 224 |
printf("\nOther options:\n"); |
| 225 |
printf(" -A disable alignment checks in some cases (for higher" |
| 226 |
" speed)\n"); |
| 227 |
printf(" -C x try to emulate a specific CPU. (Use -H to get a " |
| 228 |
"list of types.)\n"); |
| 229 |
printf(" -d fname add fname as a disk image. You can add \"xxx:\"" |
| 230 |
" as a prefix\n"); |
| 231 |
printf(" where xxx is one or more of the following:\n"); |
| 232 |
printf(" b specifies that this is the boot" |
| 233 |
" device\n"); |
| 234 |
printf(" c CD-ROM\n"); |
| 235 |
printf(" d DISK\n"); |
| 236 |
printf(" f FLOPPY\n"); |
| 237 |
printf(" gH;S; set geometry to H heads and S" |
| 238 |
" sectors-per-track\n"); |
| 239 |
printf(" i IDE\n"); |
| 240 |
printf(" r read-only (don't allow changes to the" |
| 241 |
" file)\n"); |
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printf(" s SCSI\n"); |
| 243 |
printf(" t tape\n"); |
| 244 |
printf(" 0-7 force a specific ID\n"); |
| 245 |
printf(" -G port listen to gdb remote connections on this port\n"); |
| 246 |
printf(" -I x emulate clock interrupts at x Hz (affects" |
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" rtc devices only, not\n"); |
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printf(" actual runtime speed) (this disables automatic" |
| 249 |
" clock adjustments)\n"); |
| 250 |
printf(" -i display each instruction as it is executed\n"); |
| 251 |
printf(" -J disable some speed tricks\n"); |
| 252 |
printf(" -j name set the name of the kernel; for DECstation " |
| 253 |
"emulation, this passes\n the name to the bootloader," |
| 254 |
" for example:\n"); |
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printf(" -j netbsd (NetBSD/pmax) " |
| 256 |
"-j bsd (OpenBSD/pmax)\n"); |
| 257 |
printf(" -j vmsprite (Sprite/pmax) " |
| 258 |
"-j vmunix (Ultrix/RISC)\n"); |
| 259 |
printf(" For other emulation modes, if the boot disk is an" |
| 260 |
" ISO9660\n filesystem, -j sets the name of the" |
| 261 |
" kernel to load.\n"); |
| 262 |
printf(" -M m emulate m MBs of physical RAM\n"); |
| 263 |
printf(" -N display nr of instructions/second average, at" |
| 264 |
" regular intervals\n"); |
| 265 |
printf(" -n nr set nr of CPUs (for SMP experiments)\n"); |
| 266 |
printf(" -O force netboot (tftp instead of disk), even when" |
| 267 |
" a disk image is\n" |
| 268 |
" present (for DECstation, SGI, and ARC emulation)\n"); |
| 269 |
printf(" -o arg set the boot argument, for DEC, ARC, or SGI" |
| 270 |
" emulation\n"); |
| 271 |
printf(" (default arg for DEC is -a, for ARC/SGI -aN)\n"); |
| 272 |
printf(" -p pc add a breakpoint (remember to use the '0x' " |
| 273 |
"prefix for hex!)\n"); |
| 274 |
printf(" -Q no built-in PROM emulation (use this for " |
| 275 |
"running ROM images)\n"); |
| 276 |
printf(" -R use random bootstrap cpu, instead of nr 0\n"); |
| 277 |
printf(" -r register dumps before every instruction\n"); |
| 278 |
printf(" -S initialize emulated RAM to random bytes, " |
| 279 |
"instead of zeroes\n"); |
| 280 |
printf(" -t show function trace tree\n"); |
| 281 |
printf(" -U enable slow_serial_interrupts_hack_for_linux\n"); |
| 282 |
#ifdef WITH_X11 |
| 283 |
printf(" -X use X11\n"); |
| 284 |
printf(" -x open up new xterms for emulated serial ports " |
| 285 |
"(default is on when\n using configuration files or" |
| 286 |
" when X11 is used, off otherwise)\n"); |
| 287 |
printf(" -Y n scale down framebuffer windows by n x n times\n"); |
| 288 |
#endif /* WITH_X11 */ |
| 289 |
printf(" -Z n set nr of graphics cards, for emulating a " |
| 290 |
"dual-head or tripple-head\n" |
| 291 |
" environment (only for DECstation emulation)\n"); |
| 292 |
printf(" -z disp add disp as an X11 display to use for " |
| 293 |
"framebuffers\n"); |
| 294 |
|
| 295 |
#ifdef UNSTABLE_DEVEL |
| 296 |
printf("\nUserland options:\n"); |
| 297 |
printf(" -u emul userland-only (syscall) emulation (use -H to" |
| 298 |
" get a list of\n available emulation modes)\n"); |
| 299 |
#endif |
| 300 |
|
| 301 |
printf("\nGeneral options:\n"); |
| 302 |
printf(" -c cmd add cmd as a command to run before starting " |
| 303 |
"the simulation\n"); |
| 304 |
printf(" -D guarantee (almost) fully deterministic " |
| 305 |
"behaviour\n"); |
| 306 |
printf(" -H display a list of possible CPU and " |
| 307 |
"machine types\n"); |
| 308 |
printf(" -h display this help message\n"); |
| 309 |
printf(" -K force the debugger to be entered at the end " |
| 310 |
"of a simulation\n"); |
| 311 |
printf(" -q quiet mode (don't print startup messages)\n"); |
| 312 |
printf(" -V start up in the single-step debugger, paused\n"); |
| 313 |
printf(" -v verbose debug messages\n"); |
| 314 |
printf("\n"); |
| 315 |
printf("If you are selecting a machine type to emulate directly " |
| 316 |
"on the command line,\nthen you must specify one or more names" |
| 317 |
" of files that you wish to load into\n" |
| 318 |
"memory. Supported formats are: ELF a.out ecoff srec syms raw\n" |
| 319 |
"where syms is the text produced by running 'nm' (or 'nm -S') " |
| 320 |
"on a binary.\n" |
| 321 |
"To load a raw binary into memory, add \"address:\" in front " |
| 322 |
"of the filename,\n" |
| 323 |
"or \"address:skiplen:\" or \"address:skiplen:initialpc:\".\n" |
| 324 |
"Examples:\n" |
| 325 |
" 0xbfc00000:rom.bin for a raw ROM image\n" |
| 326 |
" 0xbfc00000:0x100:rom.bin for an image with " |
| 327 |
"0x100 bytes header\n" |
| 328 |
" 0xbfc00000:0x100:0xbfc00884:rom.bin " |
| 329 |
"start with pc=0xbfc00884\n"); |
| 330 |
} |
| 331 |
|
| 332 |
|
| 333 |
/* |
| 334 |
* get_cmd_args(): |
| 335 |
* |
| 336 |
* Reads command line arguments. |
| 337 |
*/ |
| 338 |
int get_cmd_args(int argc, char *argv[], struct emul *emul, |
| 339 |
char ***diskimagesp, int *n_diskimagesp) |
| 340 |
{ |
| 341 |
int ch, res, using_switch_d = 0, using_switch_Z = 0; |
| 342 |
int using_switch_e = 0, using_switch_E = 0; |
| 343 |
char *type = NULL, *subtype = NULL; |
| 344 |
int n_cpus_set = 0; |
| 345 |
int msopts = 0; /* Machine-specific options used */ |
| 346 |
struct machine *m = emul_add_machine(emul, "default"); |
| 347 |
|
| 348 |
char *opts = |
| 349 |
"A" |
| 350 |
"C:c:Dd:E:e:G:HhI:iJj:KM:Nn:Oo:p:QqRrStU" |
| 351 |
#ifdef UNSTABLE_DEVEL |
| 352 |
"u:" |
| 353 |
#endif |
| 354 |
"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 'A': |
| 363 |
fprintf(stderr, "NOTE: The -A command line option" |
| 364 |
" is DEPRECATED and will be removed soon.\n"); |
| 365 |
m->dyntrans_alignment_check = 0; |
| 366 |
msopts = 1; |
| 367 |
break; |
| 368 |
case 'C': |
| 369 |
m->cpu_name = strdup(optarg); |
| 370 |
msopts = 1; |
| 371 |
break; |
| 372 |
case 'c': |
| 373 |
emul->n_debugger_cmds ++; |
| 374 |
emul->debugger_cmds = realloc(emul->debugger_cmds, |
| 375 |
emul->n_debugger_cmds * sizeof(char *)); |
| 376 |
if (emul->debugger_cmds == NULL) { |
| 377 |
fatal("out of memory\n"); |
| 378 |
exit(1); |
| 379 |
} |
| 380 |
emul->debugger_cmds[emul->n_debugger_cmds-1] = |
| 381 |
strdup(optarg); |
| 382 |
break; |
| 383 |
case 'D': |
| 384 |
fully_deterministic = 1; |
| 385 |
break; |
| 386 |
case 'd': |
| 387 |
/* diskimage_add() is called further down */ |
| 388 |
(*n_diskimagesp) ++; |
| 389 |
(*diskimagesp) = realloc(*diskimagesp, |
| 390 |
sizeof(char *) * (*n_diskimagesp)); |
| 391 |
if (*diskimagesp == NULL) { |
| 392 |
fprintf(stderr, "out of memory\n"); |
| 393 |
exit(1); |
| 394 |
} |
| 395 |
(*diskimagesp)[(*n_diskimagesp) - 1] = strdup(optarg); |
| 396 |
using_switch_d = 1; |
| 397 |
msopts = 1; |
| 398 |
break; |
| 399 |
case 'E': |
| 400 |
if (using_switch_E ++ > 0) { |
| 401 |
fprintf(stderr, "-E already used.\n"); |
| 402 |
exit(1); |
| 403 |
} |
| 404 |
type = optarg; |
| 405 |
msopts = 1; |
| 406 |
break; |
| 407 |
case 'e': |
| 408 |
if (using_switch_e ++ > 0) { |
| 409 |
fprintf(stderr, "-e already used.\n"); |
| 410 |
exit(1); |
| 411 |
} |
| 412 |
subtype = optarg; |
| 413 |
msopts = 1; |
| 414 |
break; |
| 415 |
case 'G': |
| 416 |
m->gdb.port = atoi(optarg); |
| 417 |
if (m->gdb.port < 1 || m->gdb.port > 65535) { |
| 418 |
fprintf(stderr, "Invalid debugger port %i.\n", |
| 419 |
m->gdb.port); |
| 420 |
exit(1); |
| 421 |
} |
| 422 |
/* Note: implicit -V */ |
| 423 |
single_step = ENTER_SINGLE_STEPPING; |
| 424 |
msopts = 1; |
| 425 |
break; |
| 426 |
case 'H': |
| 427 |
machine_list_available_types_and_cpus(); |
| 428 |
exit(1); |
| 429 |
case 'h': |
| 430 |
usage(1); |
| 431 |
exit(1); |
| 432 |
case 'I': |
| 433 |
m->emulated_hz = atoi(optarg); |
| 434 |
m->automatic_clock_adjustment = 0; |
| 435 |
msopts = 1; |
| 436 |
break; |
| 437 |
case 'i': |
| 438 |
m->instruction_trace = 1; |
| 439 |
msopts = 1; |
| 440 |
break; |
| 441 |
case 'J': |
| 442 |
m->speed_tricks = 0; |
| 443 |
msopts = 1; |
| 444 |
break; |
| 445 |
case 'j': |
| 446 |
m->boot_kernel_filename = strdup(optarg); |
| 447 |
if (m->boot_kernel_filename == NULL) { |
| 448 |
fprintf(stderr, "out of memory\n"); |
| 449 |
exit(1); |
| 450 |
} |
| 451 |
msopts = 1; |
| 452 |
break; |
| 453 |
case 'K': |
| 454 |
force_debugger_at_exit = 1; |
| 455 |
break; |
| 456 |
case 'M': |
| 457 |
m->physical_ram_in_mb = atoi(optarg); |
| 458 |
msopts = 1; |
| 459 |
break; |
| 460 |
case 'N': |
| 461 |
m->show_nr_of_instructions = 1; |
| 462 |
msopts = 1; |
| 463 |
break; |
| 464 |
case 'n': |
| 465 |
m->ncpus = atoi(optarg); |
| 466 |
n_cpus_set = 1; |
| 467 |
msopts = 1; |
| 468 |
break; |
| 469 |
case 'O': |
| 470 |
m->force_netboot = 1; |
| 471 |
msopts = 1; |
| 472 |
break; |
| 473 |
case 'o': |
| 474 |
m->boot_string_argument = strdup(optarg); |
| 475 |
if (m->boot_string_argument == NULL) { |
| 476 |
fprintf(stderr, "out of memory\n"); |
| 477 |
exit(1); |
| 478 |
} |
| 479 |
msopts = 1; |
| 480 |
break; |
| 481 |
case 'p': |
| 482 |
if (m->n_breakpoints >= MAX_BREAKPOINTS) { |
| 483 |
fprintf(stderr, "too many breakpoints\n"); |
| 484 |
exit(1); |
| 485 |
} |
| 486 |
m->breakpoint_string[m->n_breakpoints] = strdup(optarg); |
| 487 |
if (m->breakpoint_string[m->n_breakpoints] == NULL) { |
| 488 |
fprintf(stderr, "out of memory\n"); |
| 489 |
exit(1); |
| 490 |
} |
| 491 |
m->breakpoint_flags[m->n_breakpoints] = 0; |
| 492 |
m->n_breakpoints ++; |
| 493 |
msopts = 1; |
| 494 |
break; |
| 495 |
case 'Q': |
| 496 |
m->prom_emulation = 0; |
| 497 |
msopts = 1; |
| 498 |
break; |
| 499 |
case 'q': |
| 500 |
quiet_mode = 1; |
| 501 |
break; |
| 502 |
case 'R': |
| 503 |
m->use_random_bootstrap_cpu = 1; |
| 504 |
msopts = 1; |
| 505 |
break; |
| 506 |
case 'r': |
| 507 |
m->register_dump = 1; |
| 508 |
msopts = 1; |
| 509 |
break; |
| 510 |
case 'S': |
| 511 |
m->random_mem_contents = 1; |
| 512 |
msopts = 1; |
| 513 |
break; |
| 514 |
case 't': |
| 515 |
m->show_trace_tree = 1; |
| 516 |
msopts = 1; |
| 517 |
break; |
| 518 |
case 'U': |
| 519 |
m->slow_serial_interrupts_hack_for_linux = 1; |
| 520 |
msopts = 1; |
| 521 |
break; |
| 522 |
case 'u': |
| 523 |
m->userland_emul = strdup(optarg); |
| 524 |
if (m->userland_emul == NULL) { |
| 525 |
fprintf(stderr, "out of memory\n"); |
| 526 |
exit(1); |
| 527 |
} |
| 528 |
m->machine_type = MACHINE_USERLAND; |
| 529 |
msopts = 1; |
| 530 |
break; |
| 531 |
case 'V': |
| 532 |
single_step = ENTER_SINGLE_STEPPING; |
| 533 |
break; |
| 534 |
case 'v': |
| 535 |
verbose ++; |
| 536 |
break; |
| 537 |
case 'W': |
| 538 |
internal_w(optarg); |
| 539 |
exit(0); |
| 540 |
case 'X': |
| 541 |
m->use_x11 = 1; |
| 542 |
msopts = 1; |
| 543 |
/* FALL-THROUGH */ |
| 544 |
case 'x': |
| 545 |
console_allow_slaves(1); |
| 546 |
break; |
| 547 |
case 'Y': |
| 548 |
m->x11_scaledown = atoi(optarg); |
| 549 |
if (m->x11_scaledown < -1) { |
| 550 |
m->x11_scaleup = - m->x11_scaledown; |
| 551 |
m->x11_scaledown = 1; |
| 552 |
} |
| 553 |
if (m->x11_scaledown < 1) { |
| 554 |
fprintf(stderr, "Invalid scaledown value.\n"); |
| 555 |
exit(1); |
| 556 |
} |
| 557 |
msopts = 1; |
| 558 |
break; |
| 559 |
case 'Z': |
| 560 |
m->n_gfx_cards = atoi(optarg); |
| 561 |
using_switch_Z = 1; |
| 562 |
msopts = 1; |
| 563 |
break; |
| 564 |
case 'z': |
| 565 |
m->x11_n_display_names ++; |
| 566 |
m->x11_display_names = realloc( |
| 567 |
m->x11_display_names, |
| 568 |
m->x11_n_display_names * sizeof(char *)); |
| 569 |
if (m->x11_display_names == NULL) { |
| 570 |
fprintf(stderr, "out of memory\n"); |
| 571 |
exit(1); |
| 572 |
} |
| 573 |
m->x11_display_names[m->x11_n_display_names-1] = |
| 574 |
strdup(optarg); |
| 575 |
if (m->x11_display_names |
| 576 |
[m->x11_n_display_names-1] == NULL) { |
| 577 |
fprintf(stderr, "out of memory\n"); |
| 578 |
exit(1); |
| 579 |
} |
| 580 |
msopts = 1; |
| 581 |
break; |
| 582 |
default: |
| 583 |
fprintf(stderr, "Run %s -h for help on command " |
| 584 |
"line options.\n", progname); |
| 585 |
exit(1); |
| 586 |
} |
| 587 |
} |
| 588 |
|
| 589 |
if (type != NULL || subtype != NULL) { |
| 590 |
if (type == NULL) |
| 591 |
type = ""; |
| 592 |
if (subtype == NULL) |
| 593 |
subtype = ""; |
| 594 |
res = machine_name_to_type(type, subtype, |
| 595 |
&m->machine_type, &m->machine_subtype, &m->arch); |
| 596 |
if (!res) |
| 597 |
exit(1); |
| 598 |
} |
| 599 |
|
| 600 |
argc -= optind; |
| 601 |
argv += optind; |
| 602 |
|
| 603 |
extra_argc = argc; |
| 604 |
extra_argv = argv; |
| 605 |
|
| 606 |
|
| 607 |
if (m->machine_type == MACHINE_NONE && msopts) { |
| 608 |
fprintf(stderr, "Machine specific options used directly on " |
| 609 |
"the command line, but no machine\nemulation specified?\n"); |
| 610 |
exit(1); |
| 611 |
} |
| 612 |
|
| 613 |
|
| 614 |
/* -i and -r are pretty verbose: */ |
| 615 |
|
| 616 |
if (m->instruction_trace && !verbose) { |
| 617 |
fprintf(stderr, "Implicitly %sturning on -v, because" |
| 618 |
" of -i\n", quiet_mode? "turning off -q and " : ""); |
| 619 |
verbose = 1; |
| 620 |
quiet_mode = 0; |
| 621 |
} |
| 622 |
|
| 623 |
if (m->register_dump && !verbose) { |
| 624 |
fprintf(stderr, "Implicitly %sturning on -v, because" |
| 625 |
" of -r\n", quiet_mode? "turning off -q and " : ""); |
| 626 |
verbose = 1; |
| 627 |
quiet_mode = 0; |
| 628 |
} |
| 629 |
|
| 630 |
|
| 631 |
/* |
| 632 |
* Usually, an executable filename must be supplied. |
| 633 |
* |
| 634 |
* However, it is possible to boot directly from a harddisk image |
| 635 |
* file. If no kernel is supplied, but a diskimage is being used, |
| 636 |
* then try to boot from disk. |
| 637 |
*/ |
| 638 |
if (extra_argc == 0) { |
| 639 |
if (using_switch_d) { |
| 640 |
/* Booting directly from a disk image... */ |
| 641 |
} else { |
| 642 |
usage(0); |
| 643 |
fprintf(stderr, "\nNo filename given. Aborting.\n"); |
| 644 |
exit(1); |
| 645 |
} |
| 646 |
} else if (m->boot_kernel_filename[0] == '\0') { |
| 647 |
/* |
| 648 |
* Default boot_kernel_filename is "", which can be overriden |
| 649 |
* by the -j command line option. If it is still "" here, |
| 650 |
* and we're not booting directly from a disk image, then |
| 651 |
* try to set it to the last part of the last file name |
| 652 |
* given on the command line. (Last part = the stuff after |
| 653 |
* the last slash.) |
| 654 |
*/ |
| 655 |
char *s = extra_argv[extra_argc - 1]; |
| 656 |
char *s2; |
| 657 |
|
| 658 |
s2 = strrchr(s, '/'); |
| 659 |
if (s2 == NULL) |
| 660 |
s2 = s; |
| 661 |
else |
| 662 |
s2 ++; |
| 663 |
|
| 664 |
m->boot_kernel_filename = strdup(s2); |
| 665 |
if (m->boot_kernel_filename == NULL) { |
| 666 |
fprintf(stderr, "out of memory\n"); |
| 667 |
exit(1); |
| 668 |
} |
| 669 |
} |
| 670 |
|
| 671 |
if (m->n_gfx_cards < 0 || m->n_gfx_cards > 3) { |
| 672 |
fprintf(stderr, "Bad number of gfx cards (-Z).\n"); |
| 673 |
exit(1); |
| 674 |
} |
| 675 |
|
| 676 |
if (!using_switch_Z && !m->use_x11) |
| 677 |
m->n_gfx_cards = 0; |
| 678 |
|
| 679 |
return 0; |
| 680 |
} |
| 681 |
|
| 682 |
|
| 683 |
/* |
| 684 |
* main(): |
| 685 |
* |
| 686 |
* Two kinds of emulations are started from here: |
| 687 |
* |
| 688 |
* o) Simple emulations, using command line arguments, compatible with |
| 689 |
* earlier version of GXemul/mips64emul. |
| 690 |
* |
| 691 |
* o) Emulations set up by parsing special config files. (0 or more.) |
| 692 |
*/ |
| 693 |
int main(int argc, char *argv[]) |
| 694 |
{ |
| 695 |
struct emul **emuls; |
| 696 |
char **diskimages = NULL; |
| 697 |
int n_diskimages = 0; |
| 698 |
int n_emuls; |
| 699 |
int i; |
| 700 |
|
| 701 |
progname = argv[0]; |
| 702 |
|
| 703 |
/* Create the settings object, and add global settings to it: */ |
| 704 |
global_settings = settings_new(); |
| 705 |
|
| 706 |
settings_add(global_settings, "single_step", 0, |
| 707 |
SETTINGS_TYPE_INT, SETTINGS_FORMAT_YESNO, (void *)&single_step); |
| 708 |
settings_add(global_settings, "force_debugger_at_exit", 1, |
| 709 |
SETTINGS_TYPE_INT, SETTINGS_FORMAT_YESNO, |
| 710 |
(void *)&force_debugger_at_exit); |
| 711 |
settings_add(global_settings, "fully_deterministic", 0, |
| 712 |
SETTINGS_TYPE_INT, SETTINGS_FORMAT_YESNO, |
| 713 |
(void *)&fully_deterministic); |
| 714 |
settings_add(global_settings, "verbose", 1, |
| 715 |
SETTINGS_TYPE_INT, SETTINGS_FORMAT_YESNO, (void *)&verbose); |
| 716 |
settings_add(global_settings, "quiet_mode", 1, |
| 717 |
SETTINGS_TYPE_INT, SETTINGS_FORMAT_YESNO, (void *)&quiet_mode); |
| 718 |
|
| 719 |
/* Initialize all emulator subsystems: */ |
| 720 |
console_init(); |
| 721 |
cpu_init(); |
| 722 |
device_init(); |
| 723 |
machine_init(); |
| 724 |
useremul_init(); |
| 725 |
|
| 726 |
emuls = malloc(sizeof(struct emul *)); |
| 727 |
if (emuls == NULL) { |
| 728 |
fprintf(stderr, "out of memory\n"); |
| 729 |
exit(1); |
| 730 |
} |
| 731 |
|
| 732 |
/* Allocate space for a simple emul setup: */ |
| 733 |
n_emuls = 1; |
| 734 |
emuls[0] = emul_new(NULL); |
| 735 |
if (emuls[0] == NULL) { |
| 736 |
fprintf(stderr, "out of memory\n"); |
| 737 |
exit(1); |
| 738 |
} |
| 739 |
|
| 740 |
get_cmd_args(argc, argv, emuls[0], &diskimages, &n_diskimages); |
| 741 |
|
| 742 |
if (!fully_deterministic) { |
| 743 |
/* TODO: More than just time(). Use gettimeofday(). */ |
| 744 |
srandom(time(NULL) ^ (getpid() << 12)); |
| 745 |
} else { |
| 746 |
/* Fully deterministic. -I must have been supplied. */ |
| 747 |
if (emuls[0]->machines[0]->automatic_clock_adjustment) { |
| 748 |
fatal("Cannot have -D without -I.\n"); |
| 749 |
exit(1); |
| 750 |
} |
| 751 |
} |
| 752 |
|
| 753 |
/* Print startup message: */ |
| 754 |
debug("GXemul"); |
| 755 |
#ifdef VERSION |
| 756 |
debug("-" VERSION); |
| 757 |
#endif |
| 758 |
debug(" Copyright (C) 2003-2006 Anders Gavare\n"); |
| 759 |
debug("Read the source code and/or documentation for " |
| 760 |
"other Copyright messages.\n\n"); |
| 761 |
|
| 762 |
if (emuls[0]->machines[0]->machine_type == MACHINE_NONE) |
| 763 |
n_emuls --; |
| 764 |
else { |
| 765 |
for (i=0; i<n_diskimages; i++) |
| 766 |
diskimage_add(emuls[0]->machines[0], diskimages[i]); |
| 767 |
} |
| 768 |
|
| 769 |
/* Simple initialization, from command line arguments: */ |
| 770 |
if (n_emuls > 0) { |
| 771 |
/* Make sure that there are no configuration files as well: */ |
| 772 |
for (i=1; i<argc; i++) |
| 773 |
if (argv[i][0] == '@') { |
| 774 |
fprintf(stderr, "You can either start one " |
| 775 |
"emulation with one machine directly from " |
| 776 |
"the command\nline, or start one or more " |
| 777 |
"emulations using configuration files." |
| 778 |
" Not both.\n"); |
| 779 |
exit(1); |
| 780 |
} |
| 781 |
|
| 782 |
/* Initialize one emul: */ |
| 783 |
emul_simple_init(emuls[0]); |
| 784 |
} |
| 785 |
|
| 786 |
/* Initialize emulations from config files: */ |
| 787 |
for (i=1; i<argc; i++) { |
| 788 |
if (argv[i][0] == '@') { |
| 789 |
char *s = argv[i] + 1; |
| 790 |
if (strlen(s) == 0 && i+1 < argc && |
| 791 |
argv[i+1][0] != '@') { |
| 792 |
i++; |
| 793 |
s = argv[i]; |
| 794 |
} |
| 795 |
n_emuls ++; |
| 796 |
emuls = realloc(emuls, sizeof(struct emul *) * n_emuls); |
| 797 |
if (emuls == NULL) { |
| 798 |
fprintf(stderr, "out of memory\n"); |
| 799 |
exit(1); |
| 800 |
} |
| 801 |
|
| 802 |
/* Always allow slave xterms when using multiple |
| 803 |
emulations: */ |
| 804 |
console_allow_slaves(1); |
| 805 |
|
| 806 |
emuls[n_emuls - 1] = |
| 807 |
emul_create_from_configfile(s); |
| 808 |
} |
| 809 |
} |
| 810 |
|
| 811 |
if (n_emuls == 0) { |
| 812 |
fprintf(stderr, "No emulations defined. Maybe you forgot to " |
| 813 |
"use -E xx and/or -e yy, to specify\nthe machine type." |
| 814 |
" For example:\n\n %s -e 3max -d disk.img\n\n" |
| 815 |
"to boot an emulated DECstation 5000/200 with a disk " |
| 816 |
"image.\n", progname); |
| 817 |
exit(1); |
| 818 |
} |
| 819 |
|
| 820 |
device_set_exit_on_error(0); |
| 821 |
console_warn_if_slaves_are_needed(1); |
| 822 |
|
| 823 |
/* Run all emulations: */ |
| 824 |
emul_run(emuls, n_emuls); |
| 825 |
|
| 826 |
settings_destroy(global_settings); |
| 827 |
|
| 828 |
return 0; |
| 829 |
} |
| 830 |
|
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