| 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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* |
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* |
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* $Id: main.c,v 1.256 2006/02/04 11:10:58 debug Exp $ |
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*/ |
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|
| 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 "device.h" |
| 41 |
#include "diskimage.h" |
| 42 |
#include "emul.h" |
| 43 |
#include "machine.h" |
| 44 |
#include "misc.h" |
| 45 |
|
| 46 |
|
| 47 |
extern volatile int single_step; |
| 48 |
extern int force_debugger_at_exit; |
| 49 |
extern int show_opcode_statistics; |
| 50 |
|
| 51 |
extern int optind; |
| 52 |
extern char *optarg; |
| 53 |
|
| 54 |
int extra_argc; |
| 55 |
char **extra_argv; |
| 56 |
char *progname; |
| 57 |
|
| 58 |
int fully_deterministic = 0; |
| 59 |
int dyntrans_backend_enable = 1; |
| 60 |
|
| 61 |
|
| 62 |
/***************************************************************************** |
| 63 |
* |
| 64 |
* NOTE: debug(), fatal(), and debug_indentation() are not re-entrant. |
| 65 |
* The global variable quiet_mode can be used to suppress the output |
| 66 |
* of debug(), but not the output of fatal(). |
| 67 |
* |
| 68 |
*****************************************************************************/ |
| 69 |
|
| 70 |
int verbose = 0; |
| 71 |
int quiet_mode = 0; |
| 72 |
|
| 73 |
static int debug_indent = 0; |
| 74 |
static int debug_currently_at_start_of_line = 1; |
| 75 |
|
| 76 |
|
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/* |
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* va_debug(): |
| 79 |
* |
| 80 |
* Used internally by debug() and fatal(). |
| 81 |
*/ |
| 82 |
static void va_debug(va_list argp, char *fmt) |
| 83 |
{ |
| 84 |
char buf[DEBUG_BUFSIZE + 1]; |
| 85 |
char *s; |
| 86 |
int i; |
| 87 |
|
| 88 |
buf[0] = buf[DEBUG_BUFSIZE] = 0; |
| 89 |
vsnprintf(buf, DEBUG_BUFSIZE, fmt, argp); |
| 90 |
|
| 91 |
s = buf; |
| 92 |
while (*s) { |
| 93 |
if (debug_currently_at_start_of_line) { |
| 94 |
for (i=0; i<debug_indent; i++) |
| 95 |
printf(" "); |
| 96 |
} |
| 97 |
|
| 98 |
printf("%c", *s); |
| 99 |
|
| 100 |
debug_currently_at_start_of_line = 0; |
| 101 |
if (*s == '\n' || *s == '\r') |
| 102 |
debug_currently_at_start_of_line = 1; |
| 103 |
s++; |
| 104 |
} |
| 105 |
} |
| 106 |
|
| 107 |
|
| 108 |
/* |
| 109 |
* debug_indentation(): |
| 110 |
* |
| 111 |
* Modify the debug indentation. |
| 112 |
*/ |
| 113 |
void debug_indentation(int diff) |
| 114 |
{ |
| 115 |
debug_indent += diff; |
| 116 |
if (debug_indent < 0) |
| 117 |
fprintf(stderr, "WARNING: debug_indent less than 0!\n"); |
| 118 |
} |
| 119 |
|
| 120 |
|
| 121 |
/* |
| 122 |
* debug(): |
| 123 |
* |
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* Debug output (ignored if quiet_mode is set). |
| 125 |
*/ |
| 126 |
void debug(char *fmt, ...) |
| 127 |
{ |
| 128 |
va_list argp; |
| 129 |
|
| 130 |
if (quiet_mode) |
| 131 |
return; |
| 132 |
|
| 133 |
va_start(argp, fmt); |
| 134 |
va_debug(argp, fmt); |
| 135 |
va_end(argp); |
| 136 |
} |
| 137 |
|
| 138 |
|
| 139 |
/* |
| 140 |
* fatal(): |
| 141 |
* |
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* Fatal works like debug(), but doesn't care about the quiet_mode |
| 143 |
* setting. |
| 144 |
*/ |
| 145 |
void fatal(char *fmt, ...) |
| 146 |
{ |
| 147 |
va_list argp; |
| 148 |
|
| 149 |
va_start(argp, fmt); |
| 150 |
va_debug(argp, fmt); |
| 151 |
va_end(argp); |
| 152 |
} |
| 153 |
|
| 154 |
|
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/*****************************************************************************/ |
| 156 |
|
| 157 |
|
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/* |
| 159 |
* internal_w(): |
| 160 |
* |
| 161 |
* For internal use by gxemul itself. |
| 162 |
*/ |
| 163 |
void internal_w(char *arg) |
| 164 |
{ |
| 165 |
if (arg == NULL || strncmp(arg, "W@", 2) != 0) { |
| 166 |
fprintf(stderr, "-W is for internal use by gxemul," |
| 167 |
" not for manual use.\n"); |
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exit(1); |
| 169 |
} |
| 170 |
|
| 171 |
arg += 2; |
| 172 |
|
| 173 |
switch (arg[0]) { |
| 174 |
case 'S': |
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console_slave(arg + 1); |
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break; |
| 177 |
default: |
| 178 |
fprintf(stderr, "internal_w(): UNIMPLEMENTED arg = '%s'\n", |
| 179 |
arg); |
| 180 |
} |
| 181 |
} |
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|
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|
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/*****************************************************************************/ |
| 185 |
|
| 186 |
|
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/* |
| 188 |
* usage(): |
| 189 |
* |
| 190 |
* Prints program usage to stdout. |
| 191 |
*/ |
| 192 |
static void usage(int longusage) |
| 193 |
{ |
| 194 |
printf("GXemul"); |
| 195 |
#ifdef VERSION |
| 196 |
printf("-" VERSION); |
| 197 |
#endif |
| 198 |
printf(" Copyright (C) 2003-2006 Anders Gavare\n"); |
| 199 |
printf("Read the source code and/or documentation for " |
| 200 |
"other Copyright messages.\n"); |
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|
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printf("\nusage: %s [machine, other, and general options] [file " |
| 203 |
"[...]]\n", progname); |
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printf(" or %s [general options] @configfile\n", progname); |
| 205 |
printf(" or %s [userland, other, and general options] file " |
| 206 |
"[args ...]\n", progname); |
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|
| 208 |
if (!longusage) { |
| 209 |
printf("\nRun %s -h for help on command line options.\n", |
| 210 |
progname); |
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return; |
| 212 |
} |
| 213 |
|
| 214 |
printf("\nMachine selection options:\n"); |
| 215 |
printf(" -E t try to emulate machine type t. (Use -H to get " |
| 216 |
"a list of types.)\n"); |
| 217 |
printf(" -e st try to emulate machine subtype st. (Use this " |
| 218 |
"with -E.)\n"); |
| 219 |
|
| 220 |
printf("\nOther options:\n"); |
| 221 |
printf(" -A disable alignment checks in some cases (for higher" |
| 222 |
" speed)\n"); |
| 223 |
#if defined(BINTRANS) || defined(DYNTRANS_BACKEND) |
| 224 |
printf(" -B disable native translation backends. (translation" |
| 225 |
" is turned on\n by default, if it is supposed for " |
| 226 |
"the particular host)\n"); |
| 227 |
#endif |
| 228 |
printf(" -C x try to emulate a specific CPU. (Use -H to get a " |
| 229 |
"list of types.)\n"); |
| 230 |
printf(" -d fname add fname as a disk image. You can add \"xxx:\"" |
| 231 |
" as a prefix\n"); |
| 232 |
printf(" where xxx is one or more of the following:\n"); |
| 233 |
printf(" b specifies that this is the boot" |
| 234 |
" device\n"); |
| 235 |
printf(" c CD-ROM\n"); |
| 236 |
printf(" d DISK\n"); |
| 237 |
printf(" f FLOPPY\n"); |
| 238 |
printf(" gH;S; set geometry to H heads and S" |
| 239 |
" sectors-per-track\n"); |
| 240 |
printf(" i IDE\n"); |
| 241 |
printf(" r read-only (don't allow changes to the" |
| 242 |
" file)\n"); |
| 243 |
printf(" s SCSI\n"); |
| 244 |
printf(" t tape\n"); |
| 245 |
printf(" 0-7 force a specific ID\n"); |
| 246 |
printf(" -I x emulate clock interrupts at x Hz (affects" |
| 247 |
" rtc devices only, not\n"); |
| 248 |
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 example:\n"); |
| 253 |
printf(" -j netbsd for NetBSD/pmax\n"); |
| 254 |
printf(" -j bsd for OpenBSD/pmax\n"); |
| 255 |
printf(" -j vmunix for Ultrix/RISC\n"); |
| 256 |
printf(" -M m emulate m MBs of physical RAM\n"); |
| 257 |
printf(" -m nr run at most nr instructions (on any cpu)\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 '-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(" -T enter the single-step debugger on " |
| 276 |
"unimplemented memory accesses\n"); |
| 277 |
printf(" -t show function trace tree\n"); |
| 278 |
printf(" -U enable slow_serial_interrupts_hack_for_linux\n"); |
| 279 |
#ifdef WITH_X11 |
| 280 |
printf(" -X use X11\n"); |
| 281 |
#endif /* WITH_X11 */ |
| 282 |
printf(" -x open up new xterms for emulated serial ports " |
| 283 |
"(default is on when\n using configuration files or" |
| 284 |
" when X11 is used, off otherwise)\n"); |
| 285 |
#ifdef WITH_X11 |
| 286 |
printf(" -Y n scale down framebuffer windows by n x n times\n"); |
| 287 |
#endif /* WITH_X11 */ |
| 288 |
printf(" -y x set max_random_cycles_per_chunk to x" |
| 289 |
" (experimental)\n"); |
| 290 |
printf(" -Z n set nr of graphics cards, for emulating a " |
| 291 |
"dual-head or tripple-head\n" |
| 292 |
" environment (only for DECstation emulation)\n"); |
| 293 |
printf(" -z disp add disp as an X11 display to use for " |
| 294 |
"framebuffers\n"); |
| 295 |
|
| 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 |
|
| 300 |
printf("\nGeneral options:\n"); |
| 301 |
printf(" -c cmd add cmd as a command to run before starting " |
| 302 |
"the simulation\n"); |
| 303 |
printf(" -D guarantee fully deterministic behaviour\n"); |
| 304 |
printf(" -H display a list of possible CPU and " |
| 305 |
"machine types\n"); |
| 306 |
printf(" -h display this help message\n"); |
| 307 |
printf(" -K force the debugger to be entered at the end " |
| 308 |
"of a simulation\n"); |
| 309 |
printf(" -q quiet mode (don't print startup messages)\n"); |
| 310 |
printf(" -s show opcode usage statistics after simulation\n"); |
| 311 |
printf(" -V start up in the single-step debugger, paused\n"); |
| 312 |
printf(" -v verbose debug messages\n"); |
| 313 |
printf("\n"); |
| 314 |
printf("If you are selecting a machine type to emulate directly " |
| 315 |
"on the command line,\nthen you must specify one or more names" |
| 316 |
" of files that you wish to load into\n" |
| 317 |
"memory. Supported formats are: ELF a.out ecoff srec syms raw\n" |
| 318 |
"where syms is the text produced by running 'nm' (or 'nm -S') " |
| 319 |
"on a binary.\n" |
| 320 |
"To load a raw binary into memory, add \"address:\" in front " |
| 321 |
"of the filename,\n" |
| 322 |
"or \"address:skiplen:\" or \"address:skiplen:initialpc:\".\n" |
| 323 |
"Examples:\n" |
| 324 |
" 0xbfc00000:rom.bin for a raw ROM image\n" |
| 325 |
" 0xbfc00000:0x100:rom.bin for an image with " |
| 326 |
"0x100 bytes header\n" |
| 327 |
" 0xbfc00000:0x100:0xbfc00884:rom.bin " |
| 328 |
"start with pc=0xbfc00884\n"); |
| 329 |
} |
| 330 |
|
| 331 |
|
| 332 |
/* |
| 333 |
* get_cmd_args(): |
| 334 |
* |
| 335 |
* Reads command line arguments. |
| 336 |
*/ |
| 337 |
int get_cmd_args(int argc, char *argv[], struct emul *emul, |
| 338 |
char ***diskimagesp, int *n_diskimagesp) |
| 339 |
{ |
| 340 |
int ch, res, using_switch_d = 0, using_switch_Z = 0; |
| 341 |
char *type = NULL, *subtype = NULL; |
| 342 |
int n_cpus_set = 0; |
| 343 |
int msopts = 0; /* Machine-specific options used */ |
| 344 |
struct machine *m = emul_add_machine(emul, "default"); |
| 345 |
|
| 346 |
while ((ch = getopt(argc, argv, "ABC:c:Dd:E:e:HhI:iJj:KM:m:" |
| 347 |
"Nn:Oo:p:QqRrSsTtUu:VvW:XxY:y:Z:z:")) != -1) { |
| 348 |
switch (ch) { |
| 349 |
case 'A': |
| 350 |
m->dyntrans_alignment_check = 0; |
| 351 |
msopts = 1; |
| 352 |
break; |
| 353 |
case 'B': |
| 354 |
/* Turns off both bintrans and dyntrans. */ |
| 355 |
m->bintrans_enable = 0; |
| 356 |
dyntrans_backend_enable = 0; |
| 357 |
msopts = 1; |
| 358 |
break; |
| 359 |
case 'C': |
| 360 |
m->cpu_name = strdup(optarg); |
| 361 |
msopts = 1; |
| 362 |
break; |
| 363 |
case 'c': |
| 364 |
emul->n_debugger_cmds ++; |
| 365 |
emul->debugger_cmds = realloc(emul->debugger_cmds, |
| 366 |
emul->n_debugger_cmds * sizeof(char *)); |
| 367 |
if (emul->debugger_cmds == NULL) { |
| 368 |
fatal("out of memory\n"); |
| 369 |
exit(1); |
| 370 |
} |
| 371 |
emul->debugger_cmds[emul->n_debugger_cmds-1] = |
| 372 |
strdup(optarg); |
| 373 |
break; |
| 374 |
case 'D': |
| 375 |
fully_deterministic = 1; |
| 376 |
break; |
| 377 |
case 'd': |
| 378 |
/* diskimage_add() is called further down */ |
| 379 |
(*n_diskimagesp) ++; |
| 380 |
(*diskimagesp) = realloc(*diskimagesp, |
| 381 |
sizeof(char *) * (*n_diskimagesp)); |
| 382 |
if (*diskimagesp == NULL) { |
| 383 |
fprintf(stderr, "out of memory\n"); |
| 384 |
exit(1); |
| 385 |
} |
| 386 |
(*diskimagesp)[(*n_diskimagesp) - 1] = strdup(optarg); |
| 387 |
using_switch_d = 1; |
| 388 |
msopts = 1; |
| 389 |
break; |
| 390 |
case 'E': |
| 391 |
type = optarg; |
| 392 |
msopts = 1; |
| 393 |
break; |
| 394 |
case 'e': |
| 395 |
subtype = optarg; |
| 396 |
msopts = 1; |
| 397 |
break; |
| 398 |
case 'H': |
| 399 |
machine_list_available_types_and_cpus(); |
| 400 |
exit(1); |
| 401 |
case 'h': |
| 402 |
usage(1); |
| 403 |
exit(1); |
| 404 |
case 'I': |
| 405 |
m->emulated_hz = atoi(optarg); |
| 406 |
m->automatic_clock_adjustment = 0; |
| 407 |
msopts = 1; |
| 408 |
break; |
| 409 |
case 'i': |
| 410 |
m->instruction_trace = 1; |
| 411 |
msopts = 1; |
| 412 |
break; |
| 413 |
case 'J': |
| 414 |
m->speed_tricks = 0; |
| 415 |
msopts = 1; |
| 416 |
break; |
| 417 |
case 'j': |
| 418 |
m->boot_kernel_filename = strdup(optarg); |
| 419 |
if (m->boot_kernel_filename == NULL) { |
| 420 |
fprintf(stderr, "out of memory\n"); |
| 421 |
exit(1); |
| 422 |
} |
| 423 |
msopts = 1; |
| 424 |
break; |
| 425 |
case 'K': |
| 426 |
force_debugger_at_exit = 1; |
| 427 |
break; |
| 428 |
case 'M': |
| 429 |
m->physical_ram_in_mb = atoi(optarg); |
| 430 |
msopts = 1; |
| 431 |
break; |
| 432 |
case 'm': |
| 433 |
m->max_instructions = atoi(optarg); |
| 434 |
msopts = 1; |
| 435 |
break; |
| 436 |
case 'N': |
| 437 |
m->show_nr_of_instructions = 1; |
| 438 |
msopts = 1; |
| 439 |
break; |
| 440 |
case 'n': |
| 441 |
m->ncpus = atoi(optarg); |
| 442 |
n_cpus_set = 1; |
| 443 |
msopts = 1; |
| 444 |
break; |
| 445 |
case 'O': |
| 446 |
m->force_netboot = 1; |
| 447 |
msopts = 1; |
| 448 |
break; |
| 449 |
case 'o': |
| 450 |
m->boot_string_argument = strdup(optarg); |
| 451 |
if (m->boot_string_argument == NULL) { |
| 452 |
fprintf(stderr, "out of memory\n"); |
| 453 |
exit(1); |
| 454 |
} |
| 455 |
msopts = 1; |
| 456 |
break; |
| 457 |
case 'p': |
| 458 |
if (m->n_breakpoints >= MAX_BREAKPOINTS) { |
| 459 |
fprintf(stderr, "too many breakpoints\n"); |
| 460 |
exit(1); |
| 461 |
} |
| 462 |
m->breakpoint_string[m->n_breakpoints] = strdup(optarg); |
| 463 |
if (m->breakpoint_string[m->n_breakpoints] == NULL) { |
| 464 |
fprintf(stderr, "out of memory\n"); |
| 465 |
exit(1); |
| 466 |
} |
| 467 |
m->breakpoint_flags[m->n_breakpoints] = 0; |
| 468 |
m->n_breakpoints ++; |
| 469 |
msopts = 1; |
| 470 |
break; |
| 471 |
case 'Q': |
| 472 |
m->prom_emulation = 0; |
| 473 |
msopts = 1; |
| 474 |
break; |
| 475 |
case 'q': |
| 476 |
quiet_mode = 1; |
| 477 |
break; |
| 478 |
case 'R': |
| 479 |
m->use_random_bootstrap_cpu = 1; |
| 480 |
msopts = 1; |
| 481 |
break; |
| 482 |
case 'r': |
| 483 |
m->register_dump = 1; |
| 484 |
msopts = 1; |
| 485 |
break; |
| 486 |
case 'S': |
| 487 |
m->random_mem_contents = 1; |
| 488 |
msopts = 1; |
| 489 |
break; |
| 490 |
case 's': |
| 491 |
show_opcode_statistics = 1; |
| 492 |
break; |
| 493 |
case 'T': |
| 494 |
m->single_step_on_bad_addr = 1; |
| 495 |
msopts = 1; |
| 496 |
break; |
| 497 |
case 't': |
| 498 |
m->show_trace_tree = 1; |
| 499 |
msopts = 1; |
| 500 |
break; |
| 501 |
case 'U': |
| 502 |
m->slow_serial_interrupts_hack_for_linux = 1; |
| 503 |
msopts = 1; |
| 504 |
break; |
| 505 |
case 'u': |
| 506 |
m->userland_emul = strdup(optarg); |
| 507 |
if (m->userland_emul == NULL) { |
| 508 |
fprintf(stderr, "out of memory\n"); |
| 509 |
exit(1); |
| 510 |
} |
| 511 |
m->machine_type = MACHINE_USERLAND; |
| 512 |
msopts = 1; |
| 513 |
break; |
| 514 |
case 'V': |
| 515 |
single_step = 1; |
| 516 |
break; |
| 517 |
case 'v': |
| 518 |
verbose ++; |
| 519 |
break; |
| 520 |
case 'W': |
| 521 |
internal_w(optarg); |
| 522 |
exit(0); |
| 523 |
case 'X': |
| 524 |
m->use_x11 = 1; |
| 525 |
msopts = 1; |
| 526 |
/* FALL-THROUGH */ |
| 527 |
case 'x': |
| 528 |
console_allow_slaves(1); |
| 529 |
break; |
| 530 |
case 'Y': |
| 531 |
m->x11_scaledown = atoi(optarg); |
| 532 |
if (m->x11_scaledown < -1) { |
| 533 |
m->x11_scaleup = - m->x11_scaledown; |
| 534 |
m->x11_scaledown = 1; |
| 535 |
} |
| 536 |
if (m->x11_scaledown < 1) { |
| 537 |
fprintf(stderr, "Invalid scaledown value.\n"); |
| 538 |
exit(1); |
| 539 |
} |
| 540 |
msopts = 1; |
| 541 |
break; |
| 542 |
case 'y': |
| 543 |
m->max_random_cycles_per_chunk = atoi(optarg); |
| 544 |
msopts = 1; |
| 545 |
break; |
| 546 |
case 'Z': |
| 547 |
m->n_gfx_cards = atoi(optarg); |
| 548 |
using_switch_Z = 1; |
| 549 |
msopts = 1; |
| 550 |
break; |
| 551 |
case 'z': |
| 552 |
m->x11_n_display_names ++; |
| 553 |
m->x11_display_names = realloc( |
| 554 |
m->x11_display_names, |
| 555 |
m->x11_n_display_names * sizeof(char *)); |
| 556 |
if (m->x11_display_names == NULL) { |
| 557 |
fprintf(stderr, "out of memory\n"); |
| 558 |
exit(1); |
| 559 |
} |
| 560 |
m->x11_display_names[m->x11_n_display_names-1] = |
| 561 |
strdup(optarg); |
| 562 |
if (m->x11_display_names |
| 563 |
[m->x11_n_display_names-1] == NULL) { |
| 564 |
fprintf(stderr, "out of memory\n"); |
| 565 |
exit(1); |
| 566 |
} |
| 567 |
msopts = 1; |
| 568 |
break; |
| 569 |
default: |
| 570 |
fprintf(stderr, "Run %s -h for help on command " |
| 571 |
"line options.\n", progname); |
| 572 |
exit(1); |
| 573 |
} |
| 574 |
} |
| 575 |
|
| 576 |
if (type != NULL || subtype != NULL) { |
| 577 |
if (type == NULL) |
| 578 |
type = ""; |
| 579 |
if (subtype == NULL) |
| 580 |
subtype = ""; |
| 581 |
res = machine_name_to_type(type, subtype, |
| 582 |
&m->machine_type, &m->machine_subtype, &m->arch); |
| 583 |
if (!res) |
| 584 |
exit(1); |
| 585 |
} |
| 586 |
|
| 587 |
argc -= optind; |
| 588 |
argv += optind; |
| 589 |
|
| 590 |
extra_argc = argc; |
| 591 |
extra_argv = argv; |
| 592 |
|
| 593 |
|
| 594 |
if (m->machine_type == MACHINE_NONE && msopts) { |
| 595 |
fprintf(stderr, "Machine specific options used directly on " |
| 596 |
"the command line, but no machine\nemulation specified?\n"); |
| 597 |
exit(1); |
| 598 |
} |
| 599 |
|
| 600 |
|
| 601 |
/* -i and -r are pretty verbose: */ |
| 602 |
|
| 603 |
if (m->instruction_trace && !verbose) { |
| 604 |
fprintf(stderr, "Implicitly %sturning on -v, because" |
| 605 |
" of -i\n", quiet_mode? "turning off -q and " : ""); |
| 606 |
verbose = 1; |
| 607 |
quiet_mode = 0; |
| 608 |
} |
| 609 |
|
| 610 |
if (m->register_dump && !verbose) { |
| 611 |
fprintf(stderr, "Implicitly %sturning on -v, because" |
| 612 |
" of -r\n", quiet_mode? "turning off -q and " : ""); |
| 613 |
verbose = 1; |
| 614 |
quiet_mode = 0; |
| 615 |
} |
| 616 |
|
| 617 |
if ((m->instruction_trace || m->register_dump || m->show_trace_tree) |
| 618 |
&& m->bintrans_enable) { |
| 619 |
if (m->arch == ARCH_MIPS) |
| 620 |
fprintf(stderr, "Implicitly turning off bintrans.\n"); |
| 621 |
m->bintrans_enable = 0; |
| 622 |
} |
| 623 |
|
| 624 |
|
| 625 |
/* |
| 626 |
* Usually, an executable filename must be supplied. |
| 627 |
* |
| 628 |
* However, it is possible to boot directly from a harddisk image |
| 629 |
* file. If no kernel is supplied, but a diskimage is being used, |
| 630 |
* then try to boot from disk. |
| 631 |
*/ |
| 632 |
if (extra_argc == 0) { |
| 633 |
if (using_switch_d) { |
| 634 |
/* Booting directly from a disk image... */ |
| 635 |
} else { |
| 636 |
usage(0); |
| 637 |
fprintf(stderr, "\nNo filename given. Aborting.\n"); |
| 638 |
exit(1); |
| 639 |
} |
| 640 |
} else if (m->boot_kernel_filename[0] == '\0') { |
| 641 |
/* |
| 642 |
* Default boot_kernel_filename is "", which can be overriden |
| 643 |
* by the -j command line option. If it is still "" here, |
| 644 |
* and we're not booting directly from a disk image, then |
| 645 |
* try to set it to the last part of the last file name |
| 646 |
* given on the command line. (Last part = the stuff after |
| 647 |
* the last slash.) |
| 648 |
*/ |
| 649 |
char *s = extra_argv[extra_argc - 1]; |
| 650 |
char *s2; |
| 651 |
|
| 652 |
s2 = strrchr(s, '/'); |
| 653 |
if (s2 == NULL) |
| 654 |
s2 = s; |
| 655 |
else |
| 656 |
s2 ++; |
| 657 |
|
| 658 |
m->boot_kernel_filename = strdup(s2); |
| 659 |
if (m->boot_kernel_filename == NULL) { |
| 660 |
fprintf(stderr, "out of memory\n"); |
| 661 |
exit(1); |
| 662 |
} |
| 663 |
} |
| 664 |
|
| 665 |
if (m->n_gfx_cards < 0 || m->n_gfx_cards > 3) { |
| 666 |
fprintf(stderr, "Bad number of gfx cards (-Z).\n"); |
| 667 |
exit(1); |
| 668 |
} |
| 669 |
|
| 670 |
#ifndef EXPERIMENTAL_NEWMIPS |
| 671 |
if (m->bintrans_enable && m->arch == ARCH_MIPS) { |
| 672 |
m->speed_tricks = 0; |
| 673 |
/* TODO: Print a warning about this? */ |
| 674 |
} |
| 675 |
#endif |
| 676 |
|
| 677 |
if (m->n_breakpoints > 0 && |
| 678 |
m->bintrans_enable && m->arch == ARCH_MIPS) { |
| 679 |
fprintf(stderr, "Breakpoints and MIPS binary translation " |
| 680 |
"don't work too well together right now.\n"); |
| 681 |
exit(1); |
| 682 |
} |
| 683 |
|
| 684 |
#ifndef BINTRANS |
| 685 |
if (m->bintrans_enable) { |
| 686 |
fprintf(stderr, "WARNING: %s was compiled without " |
| 687 |
"bintrans support. Ignoring -b.\n", progname); |
| 688 |
m->bintrans_enable = 0; |
| 689 |
} |
| 690 |
#endif |
| 691 |
|
| 692 |
#ifndef WITH_X11 |
| 693 |
if (m->use_x11) { |
| 694 |
fprintf(stderr, "WARNING: %s was compiled without " |
| 695 |
"X11 support. Ignoring -X.\n", progname); |
| 696 |
m->use_x11 = 0; |
| 697 |
} |
| 698 |
#endif |
| 699 |
|
| 700 |
if (!using_switch_Z && !m->use_x11) |
| 701 |
m->n_gfx_cards = 0; |
| 702 |
|
| 703 |
m->bintrans_enabled_from_start = m->bintrans_enable; |
| 704 |
|
| 705 |
return 0; |
| 706 |
} |
| 707 |
|
| 708 |
|
| 709 |
/* |
| 710 |
* main(): |
| 711 |
* |
| 712 |
* Two kinds of emulations are started from here: |
| 713 |
* |
| 714 |
* o) Simple emulations, using command line arguments, compatible with |
| 715 |
* earlier version of GXemul/mips64emul. |
| 716 |
* |
| 717 |
* o) Emulations set up by parsing special config files. (0 or more.) |
| 718 |
*/ |
| 719 |
int main(int argc, char *argv[]) |
| 720 |
{ |
| 721 |
struct emul **emuls; |
| 722 |
char **diskimages = NULL; |
| 723 |
int n_diskimages = 0; |
| 724 |
int n_emuls; |
| 725 |
int i; |
| 726 |
|
| 727 |
progname = argv[0]; |
| 728 |
|
| 729 |
console_init(); |
| 730 |
cpu_init(); |
| 731 |
device_init(); |
| 732 |
machine_init(); |
| 733 |
useremul_init(); |
| 734 |
|
| 735 |
emuls = malloc(sizeof(struct emul *)); |
| 736 |
if (emuls == NULL) { |
| 737 |
fprintf(stderr, "out of memory\n"); |
| 738 |
exit(1); |
| 739 |
} |
| 740 |
|
| 741 |
/* Allocate space for a simple emul setup: */ |
| 742 |
n_emuls = 1; |
| 743 |
emuls[0] = emul_new(NULL); |
| 744 |
if (emuls[0] == NULL) { |
| 745 |
fprintf(stderr, "out of memory\n"); |
| 746 |
exit(1); |
| 747 |
} |
| 748 |
|
| 749 |
get_cmd_args(argc, argv, emuls[0], &diskimages, &n_diskimages); |
| 750 |
|
| 751 |
if (!fully_deterministic) { |
| 752 |
/* TODO: More than just time(). Use gettimeofday(). */ |
| 753 |
srandom(time(NULL) ^ (getpid() << 12)); |
| 754 |
} else { |
| 755 |
/* Fully deterministic. -I must have been supplied. */ |
| 756 |
if (emuls[0]->machines[0]->automatic_clock_adjustment) { |
| 757 |
fatal("Cannot have -D without -I.\n"); |
| 758 |
exit(1); |
| 759 |
} |
| 760 |
} |
| 761 |
|
| 762 |
/* Print startup message: */ |
| 763 |
debug("GXemul"); |
| 764 |
#ifdef VERSION |
| 765 |
debug("-" VERSION); |
| 766 |
#endif |
| 767 |
debug(" Copyright (C) 2003-2006 Anders Gavare\n"); |
| 768 |
debug("Read the source code and/or documentation for " |
| 769 |
"other Copyright messages.\n\n"); |
| 770 |
|
| 771 |
if (emuls[0]->machines[0]->machine_type == MACHINE_NONE) |
| 772 |
n_emuls --; |
| 773 |
else { |
| 774 |
for (i=0; i<n_diskimages; i++) |
| 775 |
diskimage_add(emuls[0]->machines[0], diskimages[i]); |
| 776 |
} |
| 777 |
|
| 778 |
/* Simple initialization, from command line arguments: */ |
| 779 |
if (n_emuls > 0) { |
| 780 |
/* Make sure that there are no configuration files as well: */ |
| 781 |
for (i=1; i<argc; i++) |
| 782 |
if (argv[i][0] == '@') { |
| 783 |
fprintf(stderr, "You can either start one " |
| 784 |
"emulation with one machine directly from " |
| 785 |
"the command\nline, or start one or more " |
| 786 |
"emulations using configuration files." |
| 787 |
" Not both.\n"); |
| 788 |
exit(1); |
| 789 |
} |
| 790 |
|
| 791 |
/* Initialize one emul: */ |
| 792 |
emul_simple_init(emuls[0]); |
| 793 |
} |
| 794 |
|
| 795 |
/* Initialize emulations from config files: */ |
| 796 |
for (i=1; i<argc; i++) { |
| 797 |
if (argv[i][0] == '@') { |
| 798 |
char *s = argv[i] + 1; |
| 799 |
if (strlen(s) == 0 && i+1 < argc && |
| 800 |
argv[i+1][0] != '@') { |
| 801 |
i++; |
| 802 |
s = argv[i]; |
| 803 |
} |
| 804 |
n_emuls ++; |
| 805 |
emuls = realloc(emuls, sizeof(struct emul *) * n_emuls); |
| 806 |
if (emuls == NULL) { |
| 807 |
fprintf(stderr, "out of memory\n"); |
| 808 |
exit(1); |
| 809 |
} |
| 810 |
|
| 811 |
/* Always allow slave xterms when using multiple |
| 812 |
emulations: */ |
| 813 |
console_allow_slaves(1); |
| 814 |
|
| 815 |
emuls[n_emuls - 1] = |
| 816 |
emul_create_from_configfile(s); |
| 817 |
} |
| 818 |
} |
| 819 |
|
| 820 |
if (n_emuls == 0) { |
| 821 |
fprintf(stderr, "No emulations defined. Maybe you forgot to " |
| 822 |
"use -E xx and/or -e yy, to specify\nthe machine type." |
| 823 |
" For example:\n\n %s -e 3max -d disk.img\n\n" |
| 824 |
"to boot an emulated DECstation 5000/200 with a disk " |
| 825 |
"image.\n", progname); |
| 826 |
exit(1); |
| 827 |
} |
| 828 |
|
| 829 |
device_set_exit_on_error(0); |
| 830 |
console_warn_if_slaves_are_needed(1); |
| 831 |
|
| 832 |
/* Run all emulations: */ |
| 833 |
emul_run(emuls, n_emuls); |
| 834 |
|
| 835 |
return 0; |
| 836 |
} |
| 837 |
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