1 |
/* |
/* |
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* Copyright (C) 2005 Anders Gavare. All rights reserved. |
* Copyright (C) 2005-2006 Anders Gavare. All rights reserved. |
3 |
* |
* |
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* Redistribution and use in source and binary forms, with or without |
* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are met: |
* modification, are permitted provided that the following conditions are met: |
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* SUCH DAMAGE. |
* SUCH DAMAGE. |
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* |
* |
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* |
* |
28 |
* $Id: emul_parse.c,v 1.29 2005/03/14 19:14:04 debug Exp $ |
* $Id: emul_parse.c,v 1.42 2006/06/22 13:22:41 debug Exp $ |
29 |
* |
* |
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* Set up an emulation by parsing a config file. |
* Set up an emulation by parsing a config file. |
31 |
* |
* |
32 |
* |
* TODO: REWRITE THIS FROM SCRATCH! :-) |
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* TODO: This could be extended to support XML config files as well, but |
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* XML is ugly. |
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*/ |
*/ |
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#include <stdio.h> |
#include <stdio.h> |
47 |
(ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') || \ |
(ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') || \ |
48 |
ch == '_' || ch == '$' || (ch >= '0' && ch <= '9') ) |
ch == '_' || ch == '$' || (ch >= '0' && ch <= '9') ) |
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50 |
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#define MAX_WORD_LEN 200 |
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#define EXPECT_WORD 1 |
#define EXPECT_WORD 1 |
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#define EXPECT_LEFT_PARENTHESIS 2 |
#define EXPECT_LEFT_PARENTHESIS 2 |
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#define EXPECT_RIGHT_PARENTHESIS 4 |
#define EXPECT_RIGHT_PARENTHESIS 4 |
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static int parenthesis_level = 0; |
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/* |
/* |
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* read_one_word(): |
* read_one_word(): |
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done = 1; |
done = 1; |
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} else { |
} else { |
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if ((expect & EXPECT_LEFT_PARENTHESIS) && ch == '(') { |
if ((expect & EXPECT_LEFT_PARENTHESIS) && ch == '(') { |
177 |
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parenthesis_level ++; |
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buf[curlen++] = ch; |
buf[curlen++] = ch; |
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break; |
break; |
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} |
} |
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if ((expect & EXPECT_RIGHT_PARENTHESIS) && ch == ')') { |
if ((expect & EXPECT_RIGHT_PARENTHESIS) && ch == ')') { |
182 |
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parenthesis_level --; |
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buf[curlen++] = ch; |
buf[curlen++] = ch; |
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break; |
break; |
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} |
} |
201 |
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static char cur_net_ipv4net[50]; |
static char cur_net_ipv4net[50]; |
203 |
static char cur_net_ipv4len[50]; |
static char cur_net_ipv4len[50]; |
204 |
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static char cur_net_local_port[10]; |
205 |
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#define MAX_N_REMOTE 20 |
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#define MAX_REMOTE_LEN 100 |
207 |
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static char *cur_net_remote[MAX_N_REMOTE]; |
208 |
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static int cur_net_n_remote; |
209 |
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static char cur_machine_name[50]; |
static char cur_machine_name[50]; |
211 |
static char cur_machine_cpu[50]; |
static char cur_machine_cpu[50]; |
214 |
static char cur_machine_bootname[150]; |
static char cur_machine_bootname[150]; |
215 |
static char cur_machine_bootarg[250]; |
static char cur_machine_bootarg[250]; |
216 |
static char cur_machine_slowsi[10]; |
static char cur_machine_slowsi[10]; |
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static char cur_machine_debugger_on_badaddr[10]; |
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217 |
static char cur_machine_prom_emulation[10]; |
static char cur_machine_prom_emulation[10]; |
218 |
static char cur_machine_use_x11[10]; |
static char cur_machine_use_x11[10]; |
219 |
static char cur_machine_x11_scaledown[10]; |
static char cur_machine_x11_scaledown[10]; |
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static char cur_machine_bintrans[10]; |
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static char cur_machine_old_bintrans[10]; |
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static char cur_machine_bintrans_size[10]; |
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static char cur_machine_byte_order[20]; |
static char cur_machine_byte_order[20]; |
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static char cur_machine_random_mem[10]; |
static char cur_machine_random_mem[10]; |
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static char cur_machine_random_cpu[10]; |
static char cur_machine_random_cpu[10]; |
256 |
} \ |
} \ |
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} |
} |
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259 |
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static void parse__machine(struct emul *e, FILE *f, int *in_emul, int *line, |
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int *parsestate, char *word, size_t maxbuflen); |
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/* |
/* |
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* parse_on_off(): |
* parse_on_off(): |
276 |
strcasecmp(s, "disable") == 0 || strcasecmp(s, "0") == 0) |
strcasecmp(s, "disable") == 0 || strcasecmp(s, "0") == 0) |
277 |
return 0; |
return 0; |
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fatal("parse_on_off(): unknown value '%s'\n", s); |
fprintf(stderr, "parse_on_off(): WARNING: unknown value '%s'\n", s); |
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exit(1); |
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} |
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/* |
return 0; |
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* parse__none(): |
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* |
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* emul ( [...] ) |
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*/ |
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static void parse__none(struct emul *e, FILE *f, int *in_emul, int *line, |
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int *parsestate, char *word, size_t maxbuflen) |
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{ |
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if (strcmp(word, "emul") == 0) { |
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if (*in_emul) { |
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fatal("line %i: only one emul per config " |
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"file is supported!\n", *line); |
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exit(1); |
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} |
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*parsestate = PARSESTATE_EMUL; |
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*in_emul = 1; |
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read_one_word(f, word, maxbuflen, |
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line, EXPECT_LEFT_PARENTHESIS); |
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return; |
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} |
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fatal("line %i: expecting 'emul', not '%s'\n", *line, word); |
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exit(1); |
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} |
} |
283 |
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284 |
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line, EXPECT_LEFT_PARENTHESIS); |
line, EXPECT_LEFT_PARENTHESIS); |
322 |
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323 |
/* Default net: */ |
/* Default net: */ |
324 |
strcpy(cur_net_ipv4net, "10.0.0.0"); |
strlcpy(cur_net_ipv4net, "10.0.0.0", sizeof(cur_net_ipv4net)); |
325 |
strcpy(cur_net_ipv4len, "8"); |
strlcpy(cur_net_ipv4len, "8", sizeof(cur_net_ipv4len)); |
326 |
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strlcpy(cur_net_local_port, "", sizeof(cur_net_local_port)); |
327 |
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cur_net_n_remote = 0; |
328 |
return; |
return; |
329 |
} |
} |
330 |
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345 |
cur_machine_n_device = 0; |
cur_machine_n_device = 0; |
346 |
cur_machine_n_x11_disp = 0; |
cur_machine_n_x11_disp = 0; |
347 |
cur_machine_slowsi[0] = '\0'; |
cur_machine_slowsi[0] = '\0'; |
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cur_machine_debugger_on_badaddr[0] = '\0'; |
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348 |
cur_machine_prom_emulation[0] = '\0'; |
cur_machine_prom_emulation[0] = '\0'; |
349 |
cur_machine_use_x11[0] = '\0'; |
cur_machine_use_x11[0] = '\0'; |
350 |
cur_machine_x11_scaledown[0] = '\0'; |
cur_machine_x11_scaledown[0] = '\0'; |
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cur_machine_bintrans[0] = '\0'; |
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cur_machine_old_bintrans[0] = '\0'; |
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cur_machine_bintrans_size[0] = '\0'; |
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351 |
cur_machine_byte_order[0] = '\0'; |
cur_machine_byte_order[0] = '\0'; |
352 |
cur_machine_random_mem[0] = '\0'; |
cur_machine_random_mem[0] = '\0'; |
353 |
cur_machine_random_cpu[0] = '\0'; |
cur_machine_random_cpu[0] = '\0'; |
370 |
/* |
/* |
371 |
* parse__net(): |
* parse__net(): |
372 |
* |
* |
373 |
* Simple words: ipv4net, ipv4len |
* Simple words: ipv4net, ipv4len, local_port |
374 |
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* |
375 |
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* Complex: add_remote |
376 |
* |
* |
377 |
* TODO: more words? for example an option to disable the gateway? that would |
* TODO: more words? for example an option to disable the gateway? that would |
378 |
* have to be implemented correctly in src/net.c first. |
* have to be implemented correctly in src/net.c first. |
380 |
static void parse__net(struct emul *e, FILE *f, int *in_emul, int *line, |
static void parse__net(struct emul *e, FILE *f, int *in_emul, int *line, |
381 |
int *parsestate, char *word, size_t maxbuflen) |
int *parsestate, char *word, size_t maxbuflen) |
382 |
{ |
{ |
383 |
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int i; |
384 |
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385 |
if (word[0] == ')') { |
if (word[0] == ')') { |
386 |
/* Finished with the 'net' section. Let's create the net: */ |
/* Finished with the 'net' section. Let's create the net: */ |
387 |
if (e->net != NULL) { |
if (e->net != NULL) { |
390 |
exit(1); |
exit(1); |
391 |
} |
} |
392 |
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393 |
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if (!cur_net_local_port[0]) |
394 |
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strlcpy(cur_net_local_port, "0", |
395 |
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sizeof(cur_net_local_port)); |
396 |
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397 |
e->net = net_init(e, NET_INIT_FLAG_GATEWAY, |
e->net = net_init(e, NET_INIT_FLAG_GATEWAY, |
398 |
cur_net_ipv4net, atoi(cur_net_ipv4len)); |
cur_net_ipv4net, atoi(cur_net_ipv4len), |
399 |
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cur_net_remote, cur_net_n_remote, |
400 |
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atoi(cur_net_local_port)); |
401 |
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402 |
if (e->net == NULL) { |
if (e->net == NULL) { |
403 |
fatal("line %i: fatal error: could not create" |
fatal("line %i: fatal error: could not create" |
405 |
exit(1); |
exit(1); |
406 |
} |
} |
407 |
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408 |
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for (i=0; i<cur_net_n_remote; i++) { |
409 |
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free(cur_net_remote[i]); |
410 |
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cur_net_remote[i] = NULL; |
411 |
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} |
412 |
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413 |
*parsestate = PARSESTATE_EMUL; |
*parsestate = PARSESTATE_EMUL; |
414 |
return; |
return; |
415 |
} |
} |
416 |
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417 |
WORD("ipv4net", cur_net_ipv4net); |
WORD("ipv4net", cur_net_ipv4net); |
418 |
WORD("ipv4len", cur_net_ipv4len); |
WORD("ipv4len", cur_net_ipv4len); |
419 |
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WORD("local_port", cur_net_local_port); |
420 |
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421 |
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if (strcmp(word, "add_remote") == 0) { |
422 |
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read_one_word(f, word, maxbuflen, |
423 |
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line, EXPECT_LEFT_PARENTHESIS); |
424 |
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if (cur_net_n_remote >= MAX_N_REMOTE) { |
425 |
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fprintf(stderr, "too many remote networks\n"); |
426 |
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exit(1); |
427 |
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} |
428 |
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cur_net_remote[cur_net_n_remote] = malloc(MAX_REMOTE_LEN); |
429 |
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if (cur_net_remote[cur_net_n_remote] == NULL) { |
430 |
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fprintf(stderr, "out of memory\n"); |
431 |
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exit(1); |
432 |
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} |
433 |
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read_one_word(f, cur_net_remote[cur_net_n_remote], |
434 |
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MAX_REMOTE_LEN, line, EXPECT_WORD); |
435 |
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cur_net_n_remote ++; |
436 |
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read_one_word(f, word, maxbuflen, line, |
437 |
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EXPECT_RIGHT_PARENTHESIS); |
438 |
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return; |
439 |
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} |
440 |
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fatal("line %i: not expecting '%s' in a 'net' section\n", *line, word); |
fatal("line %i: not expecting '%s' in a 'net' section\n", *line, word); |
442 |
exit(1); |
exit(1); |
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struct machine *m; |
struct machine *m; |
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if (!cur_machine_name[0]) |
if (!cur_machine_name[0]) |
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strcpy(cur_machine_name, "no_name"); |
strlcpy(cur_machine_name, "no_name", |
460 |
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sizeof(cur_machine_name)); |
461 |
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m = emul_add_machine(e, cur_machine_name); |
m = emul_add_machine(e, cur_machine_name); |
463 |
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470 |
m->cpu_name = strdup(cur_machine_cpu); |
m->cpu_name = strdup(cur_machine_cpu); |
471 |
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if (!cur_machine_use_x11[0]) |
if (!cur_machine_use_x11[0]) |
473 |
strcpy(cur_machine_use_x11, "no"); |
strlcpy(cur_machine_use_x11, "no", |
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sizeof(cur_machine_use_x11)); |
475 |
m->use_x11 = parse_on_off(cur_machine_use_x11); |
m->use_x11 = parse_on_off(cur_machine_use_x11); |
476 |
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477 |
if (!cur_machine_slowsi[0]) |
if (!cur_machine_slowsi[0]) |
478 |
strcpy(cur_machine_slowsi, "no"); |
strlcpy(cur_machine_slowsi, "no", |
479 |
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sizeof(cur_machine_slowsi)); |
480 |
m->slow_serial_interrupts_hack_for_linux = |
m->slow_serial_interrupts_hack_for_linux = |
481 |
parse_on_off(cur_machine_slowsi); |
parse_on_off(cur_machine_slowsi); |
482 |
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if (!cur_machine_debugger_on_badaddr[0]) |
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strcpy(cur_machine_debugger_on_badaddr, "no"); |
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m->single_step_on_bad_addr = |
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parse_on_off(cur_machine_debugger_on_badaddr); |
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483 |
if (!cur_machine_prom_emulation[0]) |
if (!cur_machine_prom_emulation[0]) |
484 |
strcpy(cur_machine_prom_emulation, "yes"); |
strlcpy(cur_machine_prom_emulation, "yes", |
485 |
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sizeof(cur_machine_prom_emulation)); |
486 |
m->prom_emulation = parse_on_off(cur_machine_prom_emulation); |
m->prom_emulation = parse_on_off(cur_machine_prom_emulation); |
487 |
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488 |
if (!cur_machine_random_mem[0]) |
if (!cur_machine_random_mem[0]) |
489 |
strcpy(cur_machine_random_mem, "no"); |
strlcpy(cur_machine_random_mem, "no", |
490 |
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sizeof(cur_machine_random_mem)); |
491 |
m->random_mem_contents = |
m->random_mem_contents = |
492 |
parse_on_off(cur_machine_random_mem); |
parse_on_off(cur_machine_random_mem); |
493 |
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494 |
if (!cur_machine_random_cpu[0]) |
if (!cur_machine_random_cpu[0]) |
495 |
strcpy(cur_machine_random_cpu, "no"); |
strlcpy(cur_machine_random_cpu, "no", |
496 |
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sizeof(cur_machine_random_cpu)); |
497 |
m->use_random_bootstrap_cpu = |
m->use_random_bootstrap_cpu = |
498 |
parse_on_off(cur_machine_random_cpu); |
parse_on_off(cur_machine_random_cpu); |
499 |
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511 |
} |
} |
512 |
} |
} |
513 |
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if (!cur_machine_bintrans[0]) |
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strcpy(cur_machine_bintrans, "yes"); |
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m->bintrans_enable = m->bintrans_enabled_from_start = |
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parse_on_off(cur_machine_bintrans); |
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if (!cur_machine_old_bintrans[0]) |
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strcpy(cur_machine_old_bintrans, "no"); |
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m->old_bintrans_enable = parse_on_off(cur_machine_old_bintrans); |
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if (!m->bintrans_enable && m->old_bintrans_enable) { |
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fatal("cannot use old bintrans when bintrans is" |
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" disabled.\n"); |
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exit(1); |
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} |
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/* TODO: Hm... */ |
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if (m->bintrans_enable) |
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m->speed_tricks = 0; |
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if (cur_machine_bintrans_size[0]) |
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m->bintrans_size = 1048576 * |
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atoi(cur_machine_bintrans_size); |
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|
514 |
if (!cur_machine_force_netboot[0]) |
if (!cur_machine_force_netboot[0]) |
515 |
strcpy(cur_machine_force_netboot, "no"); |
strlcpy(cur_machine_force_netboot, "no", |
516 |
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sizeof(cur_machine_force_netboot)); |
517 |
m->force_netboot = parse_on_off(cur_machine_force_netboot); |
m->force_netboot = parse_on_off(cur_machine_force_netboot); |
518 |
|
|
519 |
if (!cur_machine_start_paused[0]) |
if (!cur_machine_start_paused[0]) |
520 |
strcpy(cur_machine_start_paused, "no"); |
strlcpy(cur_machine_start_paused, "no", |
521 |
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sizeof(cur_machine_start_paused)); |
522 |
m->start_paused = parse_on_off(cur_machine_start_paused); |
m->start_paused = parse_on_off(cur_machine_start_paused); |
523 |
|
|
524 |
/* NOTE: Default nr of CPUs is 0: */ |
/* NOTE: Default nr of CPUs is 0: */ |
525 |
if (!cur_machine_ncpus[0]) |
if (!cur_machine_ncpus[0]) |
526 |
strcpy(cur_machine_ncpus, "0"); |
strlcpy(cur_machine_ncpus, "0", |
527 |
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sizeof(cur_machine_ncpus)); |
528 |
m->ncpus = atoi(cur_machine_ncpus); |
m->ncpus = atoi(cur_machine_ncpus); |
529 |
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|
530 |
if (cur_machine_n_gfx_cards[0]) |
if (cur_machine_n_gfx_cards[0]) |
543 |
|
|
544 |
/* NOTE: Default nr of CPUs is 0: */ |
/* NOTE: Default nr of CPUs is 0: */ |
545 |
if (!cur_machine_memory[0]) |
if (!cur_machine_memory[0]) |
546 |
strcpy(cur_machine_memory, "0"); |
strlcpy(cur_machine_memory, "0", |
547 |
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sizeof(cur_machine_memory)); |
548 |
m->physical_ram_in_mb = atoi(cur_machine_memory); |
m->physical_ram_in_mb = atoi(cur_machine_memory); |
549 |
|
|
550 |
if (!cur_machine_x11_scaledown[0]) |
if (!cur_machine_x11_scaledown[0]) |
552 |
else { |
else { |
553 |
m->x11_scaledown = atoi(cur_machine_x11_scaledown); |
m->x11_scaledown = atoi(cur_machine_x11_scaledown); |
554 |
if (m->x11_scaledown < 0) { |
if (m->x11_scaledown < 0) { |
555 |
|
m->x11_scaleup = 0 - m->x11_scaledown; |
556 |
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m->x11_scaledown = 1; |
557 |
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} |
558 |
|
if (m->x11_scaledown < 1) { |
559 |
fprintf(stderr, "Invalid scaledown value" |
fprintf(stderr, "Invalid scaledown value" |
560 |
" (%i)\n", m->x11_scaledown); |
" (%i)\n", m->x11_scaledown); |
561 |
exit(1); |
exit(1); |
618 |
WORD("bootname", cur_machine_bootname); |
WORD("bootname", cur_machine_bootname); |
619 |
WORD("bootarg", cur_machine_bootarg); |
WORD("bootarg", cur_machine_bootarg); |
620 |
WORD("slow_serial_interrupts_hack_for_linux", cur_machine_slowsi); |
WORD("slow_serial_interrupts_hack_for_linux", cur_machine_slowsi); |
|
WORD("debugger_on_badaddr", cur_machine_debugger_on_badaddr); |
|
621 |
WORD("prom_emulation", cur_machine_prom_emulation); |
WORD("prom_emulation", cur_machine_prom_emulation); |
622 |
WORD("use_x11", cur_machine_use_x11); |
WORD("use_x11", cur_machine_use_x11); |
623 |
WORD("x11_scaledown", cur_machine_x11_scaledown); |
WORD("x11_scaledown", cur_machine_x11_scaledown); |
|
WORD("bintrans", cur_machine_bintrans); |
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WORD("old_bintrans", cur_machine_old_bintrans); |
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WORD("bintrans_size", cur_machine_bintrans_size); |
|
624 |
WORD("byte_order", cur_machine_byte_order); |
WORD("byte_order", cur_machine_byte_order); |
625 |
WORD("random_mem_contents", cur_machine_random_mem); |
WORD("random_mem_contents", cur_machine_random_mem); |
626 |
WORD("use_random_bootstrap_cpu", cur_machine_random_cpu); |
WORD("use_random_bootstrap_cpu", cur_machine_random_cpu); |
725 |
* |
* |
726 |
* Set up an emulation by parsing a config file. |
* Set up an emulation by parsing a config file. |
727 |
*/ |
*/ |
728 |
void emul_parse_config(struct emul *e, FILE *f) |
void emul_parse_config(struct emul *e, char *fname) |
729 |
{ |
{ |
730 |
char word[500]; |
FILE *f = fopen(fname, "r"); |
731 |
|
char word[MAX_WORD_LEN]; |
732 |
int in_emul = 0; |
int in_emul = 0; |
733 |
int line = 1; |
int line = 1; |
734 |
int parsestate = PARSESTATE_NONE; |
int parsestate = PARSESTATE_EMUL; |
735 |
|
|
736 |
/* debug("emul_parse_config()\n"); */ |
/* debug("emul_parse_config()\n"); */ |
737 |
|
if (f == NULL) { |
738 |
|
perror(fname); |
739 |
|
exit(1); |
740 |
|
} |
741 |
|
|
742 |
while (!feof(f)) { |
while (!feof(f)) { |
743 |
read_one_word(f, word, sizeof(word), &line, |
read_one_word(f, word, sizeof(word), &line, |
748 |
/* debug("word = '%s'\n", word); */ |
/* debug("word = '%s'\n", word); */ |
749 |
|
|
750 |
switch (parsestate) { |
switch (parsestate) { |
|
case PARSESTATE_NONE: |
|
|
parse__none(e, f, &in_emul, &line, &parsestate, |
|
|
word, sizeof(word)); |
|
|
break; |
|
751 |
case PARSESTATE_EMUL: |
case PARSESTATE_EMUL: |
752 |
parse__emul(e, f, &in_emul, &line, &parsestate, |
parse__emul(e, f, &in_emul, &line, &parsestate, |
753 |
word, sizeof(word)); |
word, sizeof(word)); |
760 |
parse__machine(e, f, &in_emul, &line, &parsestate, |
parse__machine(e, f, &in_emul, &line, &parsestate, |
761 |
word, sizeof(word)); |
word, sizeof(word)); |
762 |
break; |
break; |
763 |
|
case PARSESTATE_NONE: |
764 |
|
break; |
765 |
default: |
default: |
766 |
fatal("INTERNAL ERROR in emul_parse.c (" |
fatal("INTERNAL ERROR in emul_parse.c (" |
767 |
"parsestate %i is not imlemented yet?)\n", |
"parsestate %i is not imlemented yet?)\n", |
770 |
} |
} |
771 |
} |
} |
772 |
|
|
773 |
if (parsestate != PARSESTATE_NONE) { |
if (parenthesis_level != 0) { |
774 |
fatal("EOF but not enough right parentheses?\n"); |
fatal("EOF but not enough right parentheses?\n"); |
775 |
exit(1); |
exit(1); |
776 |
} |
} |
777 |
|
|
778 |
|
fclose(f); |
779 |
} |
} |
780 |
|
|