| 1 |
/* |
| 2 |
* Copyright (C) 2005-2006 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. |
| 26 |
* |
| 27 |
* |
| 28 |
* $Id: emul_parse.c,v 1.42 2006/06/22 13:22:41 debug Exp $ |
| 29 |
* |
| 30 |
* Set up an emulation by parsing a config file. |
| 31 |
* |
| 32 |
* TODO: REWRITE THIS FROM SCRATCH! :-) |
| 33 |
*/ |
| 34 |
|
| 35 |
#include <stdio.h> |
| 36 |
#include <stdlib.h> |
| 37 |
#include <string.h> |
| 38 |
|
| 39 |
#include "diskimage.h" |
| 40 |
#include "emul.h" |
| 41 |
#include "machine.h" |
| 42 |
#include "misc.h" |
| 43 |
#include "net.h" |
| 44 |
|
| 45 |
|
| 46 |
#define is_word_char(ch) ( \ |
| 47 |
(ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') || \ |
| 48 |
ch == '_' || ch == '$' || (ch >= '0' && ch <= '9') ) |
| 49 |
|
| 50 |
#define MAX_WORD_LEN 200 |
| 51 |
|
| 52 |
#define EXPECT_WORD 1 |
| 53 |
#define EXPECT_LEFT_PARENTHESIS 2 |
| 54 |
#define EXPECT_RIGHT_PARENTHESIS 4 |
| 55 |
|
| 56 |
static int parenthesis_level = 0; |
| 57 |
|
| 58 |
|
| 59 |
/* |
| 60 |
* read_one_word(): |
| 61 |
* |
| 62 |
* Reads the file f until it has read a complete word. Whitespace is ignored, |
| 63 |
* and also any exclamation mark ('!') and anything following an exclamation |
| 64 |
* mark on a line. |
| 65 |
* |
| 66 |
* Used internally by emul_parse_config(). |
| 67 |
*/ |
| 68 |
static void read_one_word(FILE *f, char *buf, int buflen, int *line, |
| 69 |
int expect) |
| 70 |
{ |
| 71 |
int ch; |
| 72 |
int done = 0; |
| 73 |
int curlen = 0; |
| 74 |
int in_word = 0; |
| 75 |
|
| 76 |
while (!done) { |
| 77 |
if (curlen >= buflen - 1) |
| 78 |
break; |
| 79 |
|
| 80 |
ch = fgetc(f); |
| 81 |
if (ch == EOF) |
| 82 |
break; |
| 83 |
|
| 84 |
if (in_word) { |
| 85 |
if (is_word_char(ch)) { |
| 86 |
buf[curlen++] = ch; |
| 87 |
if (curlen == buflen - 1) |
| 88 |
done = 1; |
| 89 |
continue; |
| 90 |
} else { |
| 91 |
if (ungetc(ch, f) == EOF) { |
| 92 |
fatal("ungetc() failed?\n"); |
| 93 |
exit(1); |
| 94 |
} |
| 95 |
break; |
| 96 |
} |
| 97 |
} |
| 98 |
|
| 99 |
if (ch == '\n') { |
| 100 |
(*line) ++; |
| 101 |
continue; |
| 102 |
} |
| 103 |
|
| 104 |
if (ch == '\r') |
| 105 |
continue; |
| 106 |
|
| 107 |
if (ch == '!') { |
| 108 |
/* Skip until newline: */ |
| 109 |
while (ch != '\n' && ch != EOF) |
| 110 |
ch = fgetc(f); |
| 111 |
if (ch == '\n') |
| 112 |
(*line) ++; |
| 113 |
continue; |
| 114 |
} |
| 115 |
|
| 116 |
if (ch == '{') { |
| 117 |
int depth = 1; |
| 118 |
|
| 119 |
/* Skip until '}': */ |
| 120 |
while (depth > 0) { |
| 121 |
ch = fgetc(f); |
| 122 |
if (ch == '\n') |
| 123 |
(*line) ++; |
| 124 |
if (ch == '{') |
| 125 |
depth ++; |
| 126 |
if (ch == '}') |
| 127 |
depth --; |
| 128 |
if (ch == EOF) { |
| 129 |
fatal("line %i: unexpected EOF inside" |
| 130 |
" a nested comment\n", *line); |
| 131 |
exit(1); |
| 132 |
} |
| 133 |
} |
| 134 |
continue; |
| 135 |
} |
| 136 |
|
| 137 |
/* Whitespace? */ |
| 138 |
if (ch <= ' ') |
| 139 |
continue; |
| 140 |
|
| 141 |
if (ch == '"' || ch == '\'') { |
| 142 |
/* This is a quoted word. */ |
| 143 |
int start_ch = ch; |
| 144 |
|
| 145 |
if (expect & EXPECT_LEFT_PARENTHESIS) { |
| 146 |
fatal("unexpected character '%c', line %i\n", |
| 147 |
ch, *line); |
| 148 |
exit(1); |
| 149 |
} |
| 150 |
|
| 151 |
while (curlen < buflen - 1) { |
| 152 |
ch = fgetc(f); |
| 153 |
if (ch == '\n') { |
| 154 |
fatal("line %i: newline inside" |
| 155 |
" quotes?\n", *line); |
| 156 |
exit(1); |
| 157 |
} |
| 158 |
if (ch == EOF) { |
| 159 |
fatal("line %i: EOF inside a quoted" |
| 160 |
" string?\n", *line); |
| 161 |
exit(1); |
| 162 |
} |
| 163 |
if (ch == start_ch) |
| 164 |
break; |
| 165 |
buf[curlen++] = ch; |
| 166 |
} |
| 167 |
break; |
| 168 |
} |
| 169 |
|
| 170 |
if ((expect & EXPECT_WORD) && is_word_char(ch)) { |
| 171 |
buf[curlen++] = ch; |
| 172 |
in_word = 1; |
| 173 |
if (curlen == buflen - 1) |
| 174 |
done = 1; |
| 175 |
} else { |
| 176 |
if ((expect & EXPECT_LEFT_PARENTHESIS) && ch == '(') { |
| 177 |
parenthesis_level ++; |
| 178 |
buf[curlen++] = ch; |
| 179 |
break; |
| 180 |
} |
| 181 |
if ((expect & EXPECT_RIGHT_PARENTHESIS) && ch == ')') { |
| 182 |
parenthesis_level --; |
| 183 |
buf[curlen++] = ch; |
| 184 |
break; |
| 185 |
} |
| 186 |
|
| 187 |
fatal("unexpected character '%c', line %i\n", |
| 188 |
ch, *line); |
| 189 |
exit(1); |
| 190 |
} |
| 191 |
} |
| 192 |
|
| 193 |
buf[curlen] = '\0'; |
| 194 |
} |
| 195 |
|
| 196 |
|
| 197 |
#define PARSESTATE_NONE 0 |
| 198 |
#define PARSESTATE_EMUL 1 |
| 199 |
#define PARSESTATE_NET 2 |
| 200 |
#define PARSESTATE_MACHINE 3 |
| 201 |
|
| 202 |
static char cur_net_ipv4net[50]; |
| 203 |
static char cur_net_ipv4len[50]; |
| 204 |
static char cur_net_local_port[10]; |
| 205 |
#define MAX_N_REMOTE 20 |
| 206 |
#define MAX_REMOTE_LEN 100 |
| 207 |
static char *cur_net_remote[MAX_N_REMOTE]; |
| 208 |
static int cur_net_n_remote; |
| 209 |
|
| 210 |
static char cur_machine_name[50]; |
| 211 |
static char cur_machine_cpu[50]; |
| 212 |
static char cur_machine_type[50]; |
| 213 |
static char cur_machine_subtype[50]; |
| 214 |
static char cur_machine_bootname[150]; |
| 215 |
static char cur_machine_bootarg[250]; |
| 216 |
static char cur_machine_slowsi[10]; |
| 217 |
static char cur_machine_prom_emulation[10]; |
| 218 |
static char cur_machine_use_x11[10]; |
| 219 |
static char cur_machine_x11_scaledown[10]; |
| 220 |
static char cur_machine_byte_order[20]; |
| 221 |
static char cur_machine_random_mem[10]; |
| 222 |
static char cur_machine_random_cpu[10]; |
| 223 |
static char cur_machine_force_netboot[10]; |
| 224 |
static char cur_machine_start_paused[10]; |
| 225 |
static char cur_machine_ncpus[10]; |
| 226 |
static char cur_machine_n_gfx_cards[10]; |
| 227 |
static char cur_machine_serial_nr[10]; |
| 228 |
static char cur_machine_emulated_hz[10]; |
| 229 |
static char cur_machine_memory[10]; |
| 230 |
#define MAX_N_LOAD 15 |
| 231 |
#define MAX_LOAD_LEN 2000 |
| 232 |
static char *cur_machine_load[MAX_N_LOAD]; |
| 233 |
static int cur_machine_n_load; |
| 234 |
#define MAX_N_DISK 10 |
| 235 |
#define MAX_DISK_LEN 2000 |
| 236 |
static char *cur_machine_disk[MAX_N_DISK]; |
| 237 |
static int cur_machine_n_disk; |
| 238 |
#define MAX_N_DEVICE 20 |
| 239 |
#define MAX_DEVICE_LEN 400 |
| 240 |
static char *cur_machine_device[MAX_N_DISK]; |
| 241 |
static int cur_machine_n_device; |
| 242 |
#define MAX_N_X11_DISP 5 |
| 243 |
#define MAX_X11_DISP_LEN 1000 |
| 244 |
static char *cur_machine_x11_disp[MAX_N_X11_DISP]; |
| 245 |
static int cur_machine_n_x11_disp; |
| 246 |
|
| 247 |
#define WORD(w,var) { \ |
| 248 |
if (strcmp(word, w) == 0) { \ |
| 249 |
read_one_word(f, word, maxbuflen, \ |
| 250 |
line, EXPECT_LEFT_PARENTHESIS); \ |
| 251 |
read_one_word(f, var, sizeof(var), \ |
| 252 |
line, EXPECT_WORD); \ |
| 253 |
read_one_word(f, word, maxbuflen, \ |
| 254 |
line, EXPECT_RIGHT_PARENTHESIS); \ |
| 255 |
return; \ |
| 256 |
} \ |
| 257 |
} |
| 258 |
|
| 259 |
static void parse__machine(struct emul *e, FILE *f, int *in_emul, int *line, |
| 260 |
int *parsestate, char *word, size_t maxbuflen); |
| 261 |
|
| 262 |
|
| 263 |
/* |
| 264 |
* parse_on_off(): |
| 265 |
* |
| 266 |
* Returns 1 for "on", "yes", "enable", or "1". |
| 267 |
* Returns 0 for "off", "no", "disable", or "0". |
| 268 |
* Prints a fatal warning and exit()s for other values. |
| 269 |
*/ |
| 270 |
int parse_on_off(char *s) |
| 271 |
{ |
| 272 |
if (strcasecmp(s, "on") == 0 || strcasecmp(s, "yes") == 0 || |
| 273 |
strcasecmp(s, "enable") == 0 || strcasecmp(s, "1") == 0) |
| 274 |
return 1; |
| 275 |
if (strcasecmp(s, "off") == 0 || strcasecmp(s, "no") == 0 || |
| 276 |
strcasecmp(s, "disable") == 0 || strcasecmp(s, "0") == 0) |
| 277 |
return 0; |
| 278 |
|
| 279 |
fprintf(stderr, "parse_on_off(): WARNING: unknown value '%s'\n", s); |
| 280 |
|
| 281 |
return 0; |
| 282 |
} |
| 283 |
|
| 284 |
|
| 285 |
/* |
| 286 |
* parse__emul(): |
| 287 |
* |
| 288 |
* name, net, machine |
| 289 |
*/ |
| 290 |
static void parse__emul(struct emul *e, FILE *f, int *in_emul, int *line, |
| 291 |
int *parsestate, char *word, size_t maxbuflen) |
| 292 |
{ |
| 293 |
if (word[0] == ')') { |
| 294 |
*parsestate = PARSESTATE_NONE; |
| 295 |
return; |
| 296 |
} |
| 297 |
|
| 298 |
if (strcmp(word, "name") == 0) { |
| 299 |
char tmp[200]; |
| 300 |
read_one_word(f, word, maxbuflen, |
| 301 |
line, EXPECT_LEFT_PARENTHESIS); |
| 302 |
read_one_word(f, tmp, sizeof(tmp), line, EXPECT_WORD); |
| 303 |
read_one_word(f, word, maxbuflen, |
| 304 |
line, EXPECT_RIGHT_PARENTHESIS); |
| 305 |
if (e->name != NULL) { |
| 306 |
free(e->name); |
| 307 |
e->name = NULL; |
| 308 |
} |
| 309 |
e->name = strdup(tmp); |
| 310 |
if (e->name == NULL) { |
| 311 |
fprintf(stderr, "out of memory in parse__emul()\n"); |
| 312 |
exit(1); |
| 313 |
} |
| 314 |
debug("name: \"%s\"\n", e->name); |
| 315 |
return; |
| 316 |
} |
| 317 |
|
| 318 |
if (strcmp(word, "net") == 0) { |
| 319 |
*parsestate = PARSESTATE_NET; |
| 320 |
read_one_word(f, word, maxbuflen, |
| 321 |
line, EXPECT_LEFT_PARENTHESIS); |
| 322 |
|
| 323 |
/* Default net: */ |
| 324 |
strlcpy(cur_net_ipv4net, "10.0.0.0", sizeof(cur_net_ipv4net)); |
| 325 |
strlcpy(cur_net_ipv4len, "8", sizeof(cur_net_ipv4len)); |
| 326 |
strlcpy(cur_net_local_port, "", sizeof(cur_net_local_port)); |
| 327 |
cur_net_n_remote = 0; |
| 328 |
return; |
| 329 |
} |
| 330 |
|
| 331 |
if (strcmp(word, "machine") == 0) { |
| 332 |
*parsestate = PARSESTATE_MACHINE; |
| 333 |
read_one_word(f, word, maxbuflen, |
| 334 |
line, EXPECT_LEFT_PARENTHESIS); |
| 335 |
|
| 336 |
/* A "zero state": */ |
| 337 |
cur_machine_name[0] = '\0'; |
| 338 |
cur_machine_cpu[0] = '\0'; |
| 339 |
cur_machine_type[0] = '\0'; |
| 340 |
cur_machine_subtype[0] = '\0'; |
| 341 |
cur_machine_bootname[0] = '\0'; |
| 342 |
cur_machine_bootarg[0] = '\0'; |
| 343 |
cur_machine_n_load = 0; |
| 344 |
cur_machine_n_disk = 0; |
| 345 |
cur_machine_n_device = 0; |
| 346 |
cur_machine_n_x11_disp = 0; |
| 347 |
cur_machine_slowsi[0] = '\0'; |
| 348 |
cur_machine_prom_emulation[0] = '\0'; |
| 349 |
cur_machine_use_x11[0] = '\0'; |
| 350 |
cur_machine_x11_scaledown[0] = '\0'; |
| 351 |
cur_machine_byte_order[0] = '\0'; |
| 352 |
cur_machine_random_mem[0] = '\0'; |
| 353 |
cur_machine_random_cpu[0] = '\0'; |
| 354 |
cur_machine_force_netboot[0] = '\0'; |
| 355 |
cur_machine_start_paused[0] = '\0'; |
| 356 |
cur_machine_ncpus[0] = '\0'; |
| 357 |
cur_machine_n_gfx_cards[0] = '\0'; |
| 358 |
cur_machine_serial_nr[0] = '\0'; |
| 359 |
cur_machine_emulated_hz[0] = '\0'; |
| 360 |
cur_machine_memory[0] = '\0'; |
| 361 |
return; |
| 362 |
} |
| 363 |
|
| 364 |
fatal("line %i: not expecting '%s' in an 'emul' section\n", |
| 365 |
*line, word); |
| 366 |
exit(1); |
| 367 |
} |
| 368 |
|
| 369 |
|
| 370 |
/* |
| 371 |
* parse__net(): |
| 372 |
* |
| 373 |
* Simple words: ipv4net, ipv4len, local_port |
| 374 |
* |
| 375 |
* Complex: add_remote |
| 376 |
* |
| 377 |
* TODO: more words? for example an option to disable the gateway? that would |
| 378 |
* have to be implemented correctly in src/net.c first. |
| 379 |
*/ |
| 380 |
static void parse__net(struct emul *e, FILE *f, int *in_emul, int *line, |
| 381 |
int *parsestate, char *word, size_t maxbuflen) |
| 382 |
{ |
| 383 |
int i; |
| 384 |
|
| 385 |
if (word[0] == ')') { |
| 386 |
/* Finished with the 'net' section. Let's create the net: */ |
| 387 |
if (e->net != NULL) { |
| 388 |
fatal("line %i: more than one net isn't really " |
| 389 |
"supported yet\n", *line); |
| 390 |
exit(1); |
| 391 |
} |
| 392 |
|
| 393 |
if (!cur_net_local_port[0]) |
| 394 |
strlcpy(cur_net_local_port, "0", |
| 395 |
sizeof(cur_net_local_port)); |
| 396 |
|
| 397 |
e->net = net_init(e, NET_INIT_FLAG_GATEWAY, |
| 398 |
cur_net_ipv4net, atoi(cur_net_ipv4len), |
| 399 |
cur_net_remote, cur_net_n_remote, |
| 400 |
atoi(cur_net_local_port)); |
| 401 |
|
| 402 |
if (e->net == NULL) { |
| 403 |
fatal("line %i: fatal error: could not create" |
| 404 |
" the net (?)\n", *line); |
| 405 |
exit(1); |
| 406 |
} |
| 407 |
|
| 408 |
for (i=0; i<cur_net_n_remote; i++) { |
| 409 |
free(cur_net_remote[i]); |
| 410 |
cur_net_remote[i] = NULL; |
| 411 |
} |
| 412 |
|
| 413 |
*parsestate = PARSESTATE_EMUL; |
| 414 |
return; |
| 415 |
} |
| 416 |
|
| 417 |
WORD("ipv4net", cur_net_ipv4net); |
| 418 |
WORD("ipv4len", cur_net_ipv4len); |
| 419 |
WORD("local_port", cur_net_local_port); |
| 420 |
|
| 421 |
if (strcmp(word, "add_remote") == 0) { |
| 422 |
read_one_word(f, word, maxbuflen, |
| 423 |
line, EXPECT_LEFT_PARENTHESIS); |
| 424 |
if (cur_net_n_remote >= MAX_N_REMOTE) { |
| 425 |
fprintf(stderr, "too many remote networks\n"); |
| 426 |
exit(1); |
| 427 |
} |
| 428 |
cur_net_remote[cur_net_n_remote] = malloc(MAX_REMOTE_LEN); |
| 429 |
if (cur_net_remote[cur_net_n_remote] == NULL) { |
| 430 |
fprintf(stderr, "out of memory\n"); |
| 431 |
exit(1); |
| 432 |
} |
| 433 |
read_one_word(f, cur_net_remote[cur_net_n_remote], |
| 434 |
MAX_REMOTE_LEN, line, EXPECT_WORD); |
| 435 |
cur_net_n_remote ++; |
| 436 |
read_one_word(f, word, maxbuflen, line, |
| 437 |
EXPECT_RIGHT_PARENTHESIS); |
| 438 |
return; |
| 439 |
} |
| 440 |
|
| 441 |
fatal("line %i: not expecting '%s' in a 'net' section\n", *line, word); |
| 442 |
exit(1); |
| 443 |
} |
| 444 |
|
| 445 |
|
| 446 |
/* |
| 447 |
* parse__machine(): |
| 448 |
*/ |
| 449 |
static void parse__machine(struct emul *e, FILE *f, int *in_emul, int *line, |
| 450 |
int *parsestate, char *word, size_t maxbuflen) |
| 451 |
{ |
| 452 |
int r, i; |
| 453 |
|
| 454 |
if (word[0] == ')') { |
| 455 |
/* Finished with the 'machine' section. */ |
| 456 |
struct machine *m; |
| 457 |
|
| 458 |
if (!cur_machine_name[0]) |
| 459 |
strlcpy(cur_machine_name, "no_name", |
| 460 |
sizeof(cur_machine_name)); |
| 461 |
|
| 462 |
m = emul_add_machine(e, cur_machine_name); |
| 463 |
|
| 464 |
r = machine_name_to_type(cur_machine_type, cur_machine_subtype, |
| 465 |
&m->machine_type, &m->machine_subtype, &m->arch); |
| 466 |
if (!r) |
| 467 |
exit(1); |
| 468 |
|
| 469 |
if (cur_machine_cpu[0]) |
| 470 |
m->cpu_name = strdup(cur_machine_cpu); |
| 471 |
|
| 472 |
if (!cur_machine_use_x11[0]) |
| 473 |
strlcpy(cur_machine_use_x11, "no", |
| 474 |
sizeof(cur_machine_use_x11)); |
| 475 |
m->use_x11 = parse_on_off(cur_machine_use_x11); |
| 476 |
|
| 477 |
if (!cur_machine_slowsi[0]) |
| 478 |
strlcpy(cur_machine_slowsi, "no", |
| 479 |
sizeof(cur_machine_slowsi)); |
| 480 |
m->slow_serial_interrupts_hack_for_linux = |
| 481 |
parse_on_off(cur_machine_slowsi); |
| 482 |
|
| 483 |
if (!cur_machine_prom_emulation[0]) |
| 484 |
strlcpy(cur_machine_prom_emulation, "yes", |
| 485 |
sizeof(cur_machine_prom_emulation)); |
| 486 |
m->prom_emulation = parse_on_off(cur_machine_prom_emulation); |
| 487 |
|
| 488 |
if (!cur_machine_random_mem[0]) |
| 489 |
strlcpy(cur_machine_random_mem, "no", |
| 490 |
sizeof(cur_machine_random_mem)); |
| 491 |
m->random_mem_contents = |
| 492 |
parse_on_off(cur_machine_random_mem); |
| 493 |
|
| 494 |
if (!cur_machine_random_cpu[0]) |
| 495 |
strlcpy(cur_machine_random_cpu, "no", |
| 496 |
sizeof(cur_machine_random_cpu)); |
| 497 |
m->use_random_bootstrap_cpu = |
| 498 |
parse_on_off(cur_machine_random_cpu); |
| 499 |
|
| 500 |
m->byte_order_override = NO_BYTE_ORDER_OVERRIDE; |
| 501 |
if (cur_machine_byte_order[0]) { |
| 502 |
if (strncasecmp(cur_machine_byte_order, "big", 3) == 0) |
| 503 |
m->byte_order_override = EMUL_BIG_ENDIAN; |
| 504 |
else if (strncasecmp(cur_machine_byte_order, "little", |
| 505 |
6) == 0) |
| 506 |
m->byte_order_override = EMUL_LITTLE_ENDIAN; |
| 507 |
else { |
| 508 |
fatal("Byte order must be big-endian or" |
| 509 |
" little-endian\n"); |
| 510 |
exit(1); |
| 511 |
} |
| 512 |
} |
| 513 |
|
| 514 |
if (!cur_machine_force_netboot[0]) |
| 515 |
strlcpy(cur_machine_force_netboot, "no", |
| 516 |
sizeof(cur_machine_force_netboot)); |
| 517 |
m->force_netboot = parse_on_off(cur_machine_force_netboot); |
| 518 |
|
| 519 |
if (!cur_machine_start_paused[0]) |
| 520 |
strlcpy(cur_machine_start_paused, "no", |
| 521 |
sizeof(cur_machine_start_paused)); |
| 522 |
m->start_paused = parse_on_off(cur_machine_start_paused); |
| 523 |
|
| 524 |
/* NOTE: Default nr of CPUs is 0: */ |
| 525 |
if (!cur_machine_ncpus[0]) |
| 526 |
strlcpy(cur_machine_ncpus, "0", |
| 527 |
sizeof(cur_machine_ncpus)); |
| 528 |
m->ncpus = atoi(cur_machine_ncpus); |
| 529 |
|
| 530 |
if (cur_machine_n_gfx_cards[0]) |
| 531 |
m->n_gfx_cards = atoi(cur_machine_n_gfx_cards); |
| 532 |
|
| 533 |
if (cur_machine_serial_nr[0]) { |
| 534 |
m->serial_nr = atoi(cur_machine_serial_nr); |
| 535 |
e->next_serial_nr = m->serial_nr+1; |
| 536 |
} |
| 537 |
|
| 538 |
if (cur_machine_emulated_hz[0]) { |
| 539 |
m->emulated_hz = mystrtoull(cur_machine_emulated_hz, |
| 540 |
NULL, 0); |
| 541 |
m->automatic_clock_adjustment = 0; |
| 542 |
} |
| 543 |
|
| 544 |
/* NOTE: Default nr of CPUs is 0: */ |
| 545 |
if (!cur_machine_memory[0]) |
| 546 |
strlcpy(cur_machine_memory, "0", |
| 547 |
sizeof(cur_machine_memory)); |
| 548 |
m->physical_ram_in_mb = atoi(cur_machine_memory); |
| 549 |
|
| 550 |
if (!cur_machine_x11_scaledown[0]) |
| 551 |
m->x11_scaledown = 1; |
| 552 |
else { |
| 553 |
m->x11_scaledown = atoi(cur_machine_x11_scaledown); |
| 554 |
if (m->x11_scaledown < 0) { |
| 555 |
m->x11_scaleup = 0 - m->x11_scaledown; |
| 556 |
m->x11_scaledown = 1; |
| 557 |
} |
| 558 |
if (m->x11_scaledown < 1) { |
| 559 |
fprintf(stderr, "Invalid scaledown value" |
| 560 |
" (%i)\n", m->x11_scaledown); |
| 561 |
exit(1); |
| 562 |
} |
| 563 |
} |
| 564 |
|
| 565 |
for (i=0; i<cur_machine_n_disk; i++) { |
| 566 |
diskimage_add(m, cur_machine_disk[i]); |
| 567 |
free(cur_machine_disk[i]); |
| 568 |
cur_machine_disk[i] = NULL; |
| 569 |
} |
| 570 |
|
| 571 |
m->boot_kernel_filename = strdup(cur_machine_bootname); |
| 572 |
|
| 573 |
if (cur_machine_bootarg[0]) |
| 574 |
m->boot_string_argument = strdup(cur_machine_bootarg); |
| 575 |
|
| 576 |
for (i=0; i<cur_machine_n_x11_disp; i++) { |
| 577 |
m->x11_n_display_names ++; |
| 578 |
m->x11_display_names = realloc( |
| 579 |
m->x11_display_names, m->x11_n_display_names |
| 580 |
* sizeof(char *)); |
| 581 |
if (m->x11_display_names == NULL) { |
| 582 |
printf("out of memory\n"); |
| 583 |
exit(1); |
| 584 |
} |
| 585 |
m->x11_display_names[m->x11_n_display_names-1] = |
| 586 |
strdup(cur_machine_x11_disp[i]); |
| 587 |
if (m->x11_display_names |
| 588 |
[m->x11_n_display_names-1] == NULL) { |
| 589 |
printf("out of memory\n"); |
| 590 |
exit(1); |
| 591 |
} |
| 592 |
free(cur_machine_x11_disp[i]); |
| 593 |
cur_machine_x11_disp[i] = NULL; |
| 594 |
} |
| 595 |
|
| 596 |
emul_machine_setup(m, |
| 597 |
cur_machine_n_load, cur_machine_load, |
| 598 |
cur_machine_n_device, cur_machine_device); |
| 599 |
|
| 600 |
for (i=0; i<cur_machine_n_device; i++) { |
| 601 |
free(cur_machine_device[i]); |
| 602 |
cur_machine_device[i] = NULL; |
| 603 |
} |
| 604 |
|
| 605 |
for (i=0; i<cur_machine_n_load; i++) { |
| 606 |
free(cur_machine_load[i]); |
| 607 |
cur_machine_load[i] = NULL; |
| 608 |
} |
| 609 |
|
| 610 |
*parsestate = PARSESTATE_EMUL; |
| 611 |
return; |
| 612 |
} |
| 613 |
|
| 614 |
WORD("name", cur_machine_name); |
| 615 |
WORD("cpu", cur_machine_cpu); |
| 616 |
WORD("type", cur_machine_type); |
| 617 |
WORD("subtype", cur_machine_subtype); |
| 618 |
WORD("bootname", cur_machine_bootname); |
| 619 |
WORD("bootarg", cur_machine_bootarg); |
| 620 |
WORD("slow_serial_interrupts_hack_for_linux", cur_machine_slowsi); |
| 621 |
WORD("prom_emulation", cur_machine_prom_emulation); |
| 622 |
WORD("use_x11", cur_machine_use_x11); |
| 623 |
WORD("x11_scaledown", cur_machine_x11_scaledown); |
| 624 |
WORD("byte_order", cur_machine_byte_order); |
| 625 |
WORD("random_mem_contents", cur_machine_random_mem); |
| 626 |
WORD("use_random_bootstrap_cpu", cur_machine_random_cpu); |
| 627 |
WORD("force_netboot", cur_machine_force_netboot); |
| 628 |
WORD("ncpus", cur_machine_ncpus); |
| 629 |
WORD("serial_nr", cur_machine_serial_nr); |
| 630 |
WORD("n_gfx_cards", cur_machine_n_gfx_cards); |
| 631 |
WORD("emulated_hz", cur_machine_emulated_hz); |
| 632 |
WORD("memory", cur_machine_memory); |
| 633 |
WORD("start_paused", cur_machine_start_paused); |
| 634 |
|
| 635 |
if (strcmp(word, "load") == 0) { |
| 636 |
read_one_word(f, word, maxbuflen, |
| 637 |
line, EXPECT_LEFT_PARENTHESIS); |
| 638 |
if (cur_machine_n_load >= MAX_N_LOAD) { |
| 639 |
fprintf(stderr, "too many loads\n"); |
| 640 |
exit(1); |
| 641 |
} |
| 642 |
cur_machine_load[cur_machine_n_load] = malloc(MAX_LOAD_LEN); |
| 643 |
if (cur_machine_load[cur_machine_n_load] == NULL) { |
| 644 |
fprintf(stderr, "out of memory\n"); |
| 645 |
exit(1); |
| 646 |
} |
| 647 |
read_one_word(f, cur_machine_load[cur_machine_n_load], |
| 648 |
MAX_LOAD_LEN, line, EXPECT_WORD); |
| 649 |
cur_machine_n_load ++; |
| 650 |
read_one_word(f, word, maxbuflen, |
| 651 |
line, EXPECT_RIGHT_PARENTHESIS); |
| 652 |
return; |
| 653 |
} |
| 654 |
|
| 655 |
if (strcmp(word, "disk") == 0) { |
| 656 |
read_one_word(f, word, maxbuflen, |
| 657 |
line, EXPECT_LEFT_PARENTHESIS); |
| 658 |
if (cur_machine_n_disk >= MAX_N_DISK) { |
| 659 |
fprintf(stderr, "too many disks\n"); |
| 660 |
exit(1); |
| 661 |
} |
| 662 |
cur_machine_disk[cur_machine_n_disk] = malloc(MAX_DISK_LEN); |
| 663 |
if (cur_machine_disk[cur_machine_n_disk] == NULL) { |
| 664 |
fprintf(stderr, "out of memory\n"); |
| 665 |
exit(1); |
| 666 |
} |
| 667 |
read_one_word(f, cur_machine_disk[cur_machine_n_disk], |
| 668 |
MAX_DISK_LEN, line, EXPECT_WORD); |
| 669 |
cur_machine_n_disk ++; |
| 670 |
read_one_word(f, word, maxbuflen, |
| 671 |
line, EXPECT_RIGHT_PARENTHESIS); |
| 672 |
return; |
| 673 |
} |
| 674 |
|
| 675 |
if (strcmp(word, "device") == 0) { |
| 676 |
read_one_word(f, word, maxbuflen, |
| 677 |
line, EXPECT_LEFT_PARENTHESIS); |
| 678 |
if (cur_machine_n_device >= MAX_N_DEVICE) { |
| 679 |
fprintf(stderr, "too many devices\n"); |
| 680 |
exit(1); |
| 681 |
} |
| 682 |
cur_machine_device[cur_machine_n_device] = |
| 683 |
malloc(MAX_DEVICE_LEN); |
| 684 |
if (cur_machine_device[cur_machine_n_device] == NULL) { |
| 685 |
fprintf(stderr, "out of memory\n"); |
| 686 |
exit(1); |
| 687 |
} |
| 688 |
read_one_word(f, cur_machine_device[cur_machine_n_device], |
| 689 |
MAX_DEVICE_LEN, line, EXPECT_WORD); |
| 690 |
cur_machine_n_device ++; |
| 691 |
read_one_word(f, word, maxbuflen, |
| 692 |
line, EXPECT_RIGHT_PARENTHESIS); |
| 693 |
return; |
| 694 |
} |
| 695 |
|
| 696 |
if (strcmp(word, "add_x11_display") == 0) { |
| 697 |
read_one_word(f, word, maxbuflen, |
| 698 |
line, EXPECT_LEFT_PARENTHESIS); |
| 699 |
if (cur_machine_n_x11_disp >= MAX_N_X11_DISP) { |
| 700 |
fprintf(stderr, "too many x11 displays\n"); |
| 701 |
exit(1); |
| 702 |
} |
| 703 |
cur_machine_x11_disp[cur_machine_n_x11_disp] = |
| 704 |
malloc(MAX_X11_DISP_LEN); |
| 705 |
if (cur_machine_x11_disp[cur_machine_n_x11_disp] == NULL) { |
| 706 |
fprintf(stderr, "out of memory\n"); |
| 707 |
exit(1); |
| 708 |
} |
| 709 |
read_one_word(f, cur_machine_x11_disp[cur_machine_n_x11_disp], |
| 710 |
MAX_X11_DISP_LEN, line, EXPECT_WORD); |
| 711 |
cur_machine_n_x11_disp ++; |
| 712 |
read_one_word(f, word, maxbuflen, |
| 713 |
line, EXPECT_RIGHT_PARENTHESIS); |
| 714 |
return; |
| 715 |
} |
| 716 |
|
| 717 |
fatal("line %i: not expecting '%s' in a 'machine' section\n", |
| 718 |
*line, word); |
| 719 |
exit(1); |
| 720 |
} |
| 721 |
|
| 722 |
|
| 723 |
/* |
| 724 |
* emul_parse_config(): |
| 725 |
* |
| 726 |
* Set up an emulation by parsing a config file. |
| 727 |
*/ |
| 728 |
void emul_parse_config(struct emul *e, char *fname) |
| 729 |
{ |
| 730 |
FILE *f = fopen(fname, "r"); |
| 731 |
char word[MAX_WORD_LEN]; |
| 732 |
int in_emul = 0; |
| 733 |
int line = 1; |
| 734 |
int parsestate = PARSESTATE_EMUL; |
| 735 |
|
| 736 |
/* debug("emul_parse_config()\n"); */ |
| 737 |
if (f == NULL) { |
| 738 |
perror(fname); |
| 739 |
exit(1); |
| 740 |
} |
| 741 |
|
| 742 |
while (!feof(f)) { |
| 743 |
read_one_word(f, word, sizeof(word), &line, |
| 744 |
EXPECT_WORD | EXPECT_RIGHT_PARENTHESIS); |
| 745 |
if (!word[0]) |
| 746 |
break; |
| 747 |
|
| 748 |
/* debug("word = '%s'\n", word); */ |
| 749 |
|
| 750 |
switch (parsestate) { |
| 751 |
case PARSESTATE_EMUL: |
| 752 |
parse__emul(e, f, &in_emul, &line, &parsestate, |
| 753 |
word, sizeof(word)); |
| 754 |
break; |
| 755 |
case PARSESTATE_NET: |
| 756 |
parse__net(e, f, &in_emul, &line, &parsestate, |
| 757 |
word, sizeof(word)); |
| 758 |
break; |
| 759 |
case PARSESTATE_MACHINE: |
| 760 |
parse__machine(e, f, &in_emul, &line, &parsestate, |
| 761 |
word, sizeof(word)); |
| 762 |
break; |
| 763 |
case PARSESTATE_NONE: |
| 764 |
break; |
| 765 |
default: |
| 766 |
fatal("INTERNAL ERROR in emul_parse.c (" |
| 767 |
"parsestate %i is not imlemented yet?)\n", |
| 768 |
parsestate); |
| 769 |
exit(1); |
| 770 |
} |
| 771 |
} |
| 772 |
|
| 773 |
if (parenthesis_level != 0) { |
| 774 |
fatal("EOF but not enough right parentheses?\n"); |
| 775 |
exit(1); |
| 776 |
} |
| 777 |
|
| 778 |
fclose(f); |
| 779 |
} |
| 780 |
|
Parent Directory
| 
Revision Log