1 |
/* |
/* |
2 |
* Copyright (C) 2003-2005 Anders Gavare. All rights reserved. |
* Copyright (C) 2003-2006 Anders Gavare. All rights reserved. |
3 |
* |
* |
4 |
* Redistribution and use in source and binary forms, with or without |
* Redistribution and use in source and binary forms, with or without |
5 |
* modification, are permitted provided that the following conditions are met: |
* modification, are permitted provided that the following conditions are met: |
25 |
* SUCH DAMAGE. |
* SUCH DAMAGE. |
26 |
* |
* |
27 |
* |
* |
28 |
* $Id: emul.c,v 1.238 2005/11/19 18:53:06 debug Exp $ |
* $Id: emul.c,v 1.247 2006/02/04 12:27:12 debug Exp $ |
29 |
* |
* |
30 |
* Emulation startup and misc. routines. |
* Emulation startup and misc. routines. |
31 |
*/ |
*/ |
70 |
static char *diskimage_types[] = DISKIMAGE_TYPES; |
static char *diskimage_types[] = DISKIMAGE_TYPES; |
71 |
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72 |
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73 |
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static void print_separator(void) |
74 |
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{ |
75 |
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int i = 79; |
76 |
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while (i-- > 0) |
77 |
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debug("-"); |
78 |
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debug("\n"); |
79 |
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} |
80 |
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81 |
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82 |
/* |
/* |
83 |
* add_dump_points(): |
* add_dump_points(): |
84 |
* |
* |
161 |
int *n_loadp, char ***load_namesp) |
int *n_loadp, char ***load_namesp) |
162 |
{ |
{ |
163 |
char str[35]; |
char str[35]; |
164 |
int filenr, i, ofs, dirlen, res = 0, res2, iadd = 4; |
int filenr, i, ofs, dirlen, res = 0, res2, iadd = DEBUG_INDENTATION; |
165 |
int found_dir; |
int found_dir; |
166 |
uint64_t dirofs; |
uint64_t dirofs; |
167 |
uint64_t fileofs, filelen; |
uint64_t fileofs, filelen; |
170 |
char *p, *filename_orig; |
char *p, *filename_orig; |
171 |
char *filename = strdup(cpu->machine->boot_kernel_filename); |
char *filename = strdup(cpu->machine->boot_kernel_filename); |
172 |
unsigned char *filebuf = NULL; |
unsigned char *filebuf = NULL; |
173 |
char *tmpfilename = NULL; |
char *tmpfname = NULL; |
174 |
char **new_array; |
char **new_array; |
175 |
int tmpfile_handle; |
int tmpfile_handle; |
176 |
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216 |
fatal("WARNING: Root directory length mismatch?\n"); |
fatal("WARNING: Root directory length mismatch?\n"); |
217 |
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218 |
dirofs = (int64_t)(buf[0x8c] + (buf[0x8d] << 8) + (buf[0x8e] << 16) + |
dirofs = (int64_t)(buf[0x8c] + (buf[0x8d] << 8) + (buf[0x8e] << 16) + |
219 |
(buf[0x8f] << 24)) * 2048; |
((uint64_t)buf[0x8f] << 24)) * 2048; |
220 |
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221 |
/* debug("root = %i bytes at 0x%llx\n", dirlen, (long long)dirofs); */ |
/* debug("root = %i bytes at 0x%llx\n", dirlen, (long long)dirofs); */ |
222 |
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237 |
dp = dirbuf; filenr = 1; |
dp = dirbuf; filenr = 1; |
238 |
p = NULL; |
p = NULL; |
239 |
while (dp < dirbuf + dirlen) { |
while (dp < dirbuf + dirlen) { |
240 |
int i, nlen = dp[0]; |
size_t i, nlen = dp[0]; |
241 |
int x = dp[2] + (dp[3] << 8) + (dp[4] << 16) + (dp[5] << 24); |
int x = dp[2] + (dp[3] << 8) + (dp[4] << 16) + |
242 |
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((uint64_t)dp[5] << 24); |
243 |
int y = dp[6] + (dp[7] << 8); |
int y = dp[6] + (dp[7] << 8); |
244 |
char direntry[65]; |
char direntry[65]; |
245 |
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309 |
} |
} |
310 |
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311 |
for (;;) { |
for (;;) { |
312 |
int len, i; |
size_t len, i; |
313 |
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314 |
/* Too close to another sector? Then realign. */ |
/* Too close to another sector? Then realign. */ |
315 |
if ((dirofs & 2047) + 70 > 2047) { |
if ((dirofs & 2047) + 70 > 2047) { |
374 |
} |
} |
375 |
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376 |
fileofs = match_entry[2] + (match_entry[3] << 8) + |
fileofs = match_entry[2] + (match_entry[3] << 8) + |
377 |
(match_entry[4] << 16) + (match_entry[5] << 24); |
(match_entry[4] << 16) + ((uint64_t)match_entry[5] << 24); |
378 |
filelen = match_entry[10] + (match_entry[11] << 8) + |
filelen = match_entry[10] + (match_entry[11] << 8) + |
379 |
(match_entry[12] << 16) + (match_entry[13] << 24); |
(match_entry[12] << 16) + ((uint64_t)match_entry[13] << 24); |
380 |
fileofs *= 2048; |
fileofs *= 2048; |
381 |
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382 |
/* debug("filelen=%llx fileofs=%llx\n", (long long)filelen, |
/* debug("filelen=%llx fileofs=%llx\n", (long long)filelen, |
389 |
goto ret; |
goto ret; |
390 |
} |
} |
391 |
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392 |
tmpfilename = strdup("/tmp/gxemul.XXXXXXXXXXXX"); |
tmpfname = strdup("/tmp/gxemul.XXXXXXXXXXXX"); |
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debug("extracting %lli bytes into %s\n", |
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(long long)filelen, tmpfilename); |
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393 |
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394 |
res2 = diskimage_access(m, disk_id, disk_type, 0, fileofs, filebuf, |
res2 = diskimage_access(m, disk_id, disk_type, 0, fileofs, filebuf, |
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filelen); |
filelen); |
398 |
goto ret; |
goto ret; |
399 |
} |
} |
400 |
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401 |
tmpfile_handle = mkstemp(tmpfilename); |
tmpfile_handle = mkstemp(tmpfname); |
402 |
if (tmpfile_handle < 0) { |
if (tmpfile_handle < 0) { |
403 |
fatal("could not create %s\n", tmpfilename); |
fatal("could not create %s\n", tmpfname); |
404 |
exit(1); |
exit(1); |
405 |
} |
} |
406 |
write(tmpfile_handle, filebuf, filelen); |
write(tmpfile_handle, filebuf, filelen); |
407 |
close(tmpfile_handle); |
close(tmpfile_handle); |
408 |
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409 |
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debug("extracted %lli bytes into %s\n", (long long)filelen, tmpfname); |
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411 |
/* Add the temporary filename to the load_namesp array: */ |
/* Add the temporary filename to the load_namesp array: */ |
412 |
(*n_loadp)++; |
(*n_loadp)++; |
413 |
new_array = malloc(sizeof(char *) * (*n_loadp)); |
new_array = malloc(sizeof(char *) * (*n_loadp)); |
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/* This adds a Backspace char in front of the filename; this |
/* This adds a Backspace char in front of the filename; this |
422 |
is a special hack which causes the file to be removed once |
is a special hack which causes the file to be removed once |
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it has been loaded. */ |
it has been loaded. */ |
424 |
tmpfilename = realloc(tmpfilename, strlen(tmpfilename) + 2); |
tmpfname = realloc(tmpfname, strlen(tmpfname) + 2); |
425 |
memmove(tmpfilename + 1, tmpfilename, strlen(tmpfilename) + 1); |
memmove(tmpfname + 1, tmpfname, strlen(tmpfname) + 1); |
426 |
tmpfilename[0] = 8; |
tmpfname[0] = 8; |
427 |
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428 |
(*load_namesp)[*n_loadp - 1] = tmpfilename; |
(*load_namesp)[*n_loadp - 1] = tmpfname; |
429 |
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430 |
res = 1; |
res = 1; |
431 |
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478 |
int ofs = 0x200 * (partnr + 1); |
int ofs = 0x200 * (partnr + 1); |
479 |
if (partnr == 0) |
if (partnr == 0) |
480 |
n_partitions = buf[ofs + 7]; |
n_partitions = buf[ofs + 7]; |
481 |
start = (buf[ofs + 8] << 24) + (buf[ofs + 9] << 16) + |
start = ((uint64_t)buf[ofs + 8] << 24) + (buf[ofs + 9] << 16) + |
482 |
(buf[ofs + 10] << 8) + buf[ofs + 11]; |
(buf[ofs + 10] << 8) + buf[ofs + 11]; |
483 |
length = (buf[ofs + 12] << 24) + (buf[ofs + 13] << 16) + |
length = ((uint64_t)buf[ofs+12] << 24) + (buf[ofs + 13] << 16) + |
484 |
(buf[ofs + 14] << 8) + buf[ofs + 15]; |
(buf[ofs + 14] << 8) + buf[ofs + 15]; |
485 |
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486 |
debug("partition %i: '%s', type '%s', start %i, length %i\n", |
debug("partition %i: '%s', type '%s', start %i, length %i\n", |
535 |
return 0; |
return 0; |
536 |
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537 |
switch (m->machine_type) { |
switch (m->machine_type) { |
538 |
case MACHINE_DEC: |
case MACHINE_PMAX: |
539 |
/* |
/* |
540 |
* The first few bytes of a disk contains information about |
* The first few bytes of a disk contains information about |
541 |
* where the bootblock(s) are located. (These are all 32-bit |
* where the bootblock(s) are located. (These are all 32-bit |
556 |
minibuf, sizeof(minibuf)); |
minibuf, sizeof(minibuf)); |
557 |
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558 |
bootblock_loadaddr = minibuf[0x10] + (minibuf[0x11] << 8) |
bootblock_loadaddr = minibuf[0x10] + (minibuf[0x11] << 8) |
559 |
+ (minibuf[0x12] << 16) + (minibuf[0x13] << 24); |
+ (minibuf[0x12] << 16) + ((uint64_t)minibuf[0x13] << 24); |
560 |
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561 |
/* Convert loadaddr to uncached: */ |
/* Convert loadaddr to uncached: */ |
562 |
if ((bootblock_loadaddr & 0xf0000000ULL) != 0x80000000 && |
if ((bootblock_loadaddr & 0xf0000000ULL) != 0x80000000 && |
567 |
bootblock_loadaddr |= 0xffffffffa0000000ULL; |
bootblock_loadaddr |= 0xffffffffa0000000ULL; |
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569 |
bootblock_pc = minibuf[0x14] + (minibuf[0x15] << 8) |
bootblock_pc = minibuf[0x14] + (minibuf[0x15] << 8) |
570 |
+ (minibuf[0x16] << 16) + (minibuf[0x17] << 24); |
+ (minibuf[0x16] << 16) + ((uint64_t)minibuf[0x17] << 24); |
571 |
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572 |
bootblock_pc &= 0x0fffffffULL; |
bootblock_pc &= 0x0fffffffULL; |
573 |
bootblock_pc |= 0xffffffffa0000000ULL; |
bootblock_pc |= 0xffffffffa0000000ULL; |
588 |
} |
} |
589 |
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590 |
n_blocks = minibuf[0] + (minibuf[1] << 8) |
n_blocks = minibuf[0] + (minibuf[1] << 8) |
591 |
+ (minibuf[2] << 16) + (minibuf[3] << 24); |
+ (minibuf[2] << 16) + ((uint64_t)minibuf[3] << 24); |
592 |
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593 |
bootblock_offset = (minibuf[4] + (minibuf[5] << 8) |
bootblock_offset = (minibuf[4] + (minibuf[5] << 8) + |
594 |
+ (minibuf[6] << 16) + (minibuf[7] << 24)) * 512; |
(minibuf[6]<<16) + ((uint64_t)minibuf[7]<<24)) * 512; |
595 |
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596 |
if (n_blocks < 1) |
if (n_blocks < 1) |
597 |
break; |
break; |
912 |
void emul_machine_setup(struct machine *m, int n_load, char **load_names, |
void emul_machine_setup(struct machine *m, int n_load, char **load_names, |
913 |
int n_devices, char **device_names) |
int n_devices, char **device_names) |
914 |
{ |
{ |
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struct emul *emul; |
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915 |
struct cpu *cpu; |
struct cpu *cpu; |
916 |
int i, iadd=4; |
int i, iadd = DEBUG_INDENTATION; |
917 |
uint64_t memory_amount, entrypoint = 0, gp = 0, toc = 0; |
uint64_t memory_amount, entrypoint = 0, gp = 0, toc = 0; |
918 |
int byte_order; |
int byte_order; |
919 |
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emul = m->emul; |
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920 |
debug("machine \"%s\":\n", m->name); |
debug("machine \"%s\":\n", m->name); |
921 |
debug_indentation(iadd); |
debug_indentation(iadd); |
922 |
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1069 |
} |
} |
1070 |
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1071 |
diskimage_dump_info(m); |
diskimage_dump_info(m); |
1072 |
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console_debug_dump(m); |
1073 |
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1074 |
/* Load files (ROM code, boot code, ...) into memory: */ |
/* Load files (ROM code, boot code, ...) into memory: */ |
1075 |
if (n_load == 0) { |
if (n_load == 0) { |
1348 |
add_dump_points(m); |
add_dump_points(m); |
1349 |
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1350 |
/* TODO: This is MIPS-specific! */ |
/* TODO: This is MIPS-specific! */ |
1351 |
if (m->machine_type == MACHINE_DEC && |
if (m->machine_type == MACHINE_PMAX && |
1352 |
cpu->cd.mips.cpu_type.mmu_model == MMU3K) |
cpu->cd.mips.cpu_type.mmu_model == MMU3K) |
1353 |
add_symbol_name(&m->symbol_context, |
add_symbol_name(&m->symbol_context, |
1354 |
0x9fff0000, 0x10000, "r2k3k_cache", 0, 0); |
0x9fff0000, 0x10000, "r2k3k_cache", 0, 0); |
1364 |
m->machine_type == MACHINE_SGI) && m->prom_emulation) |
m->machine_type == MACHINE_SGI) && m->prom_emulation) |
1365 |
add_arc_components(m); |
add_arc_components(m); |
1366 |
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#if 0 |
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if (m->machine_type == MACHINE_IQ80321) { |
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store_32bit_word(cpu, 0xc0200000, 0); |
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store_32bit_word(cpu, 0xc0200004, 0xd0000000); |
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} |
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#endif |
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1367 |
debug("starting cpu%i at ", m->bootstrap_cpu); |
debug("starting cpu%i at ", m->bootstrap_cpu); |
1368 |
switch (m->arch) { |
switch (m->arch) { |
1369 |
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1407 |
break; |
break; |
1408 |
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1409 |
default: |
default: |
1410 |
debug("0x%016llx", (long long)cpu->pc); |
if (cpu->is_32bit) |
1411 |
|
debug("0x%08x", (int)cpu->pc); |
1412 |
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else |
1413 |
|
debug("0x%016llx", (long long)cpu->pc); |
1414 |
} |
} |
1415 |
debug("\n"); |
debug("\n"); |
1416 |
|
|
1425 |
*/ |
*/ |
1426 |
void emul_dumpinfo(struct emul *e) |
void emul_dumpinfo(struct emul *e) |
1427 |
{ |
{ |
1428 |
int j, nm, iadd = 4; |
int j, nm, iadd = DEBUG_INDENTATION; |
1429 |
|
|
1430 |
if (e->net != NULL) |
if (e->net != NULL) |
1431 |
net_dumpinfo(e->net); |
net_dumpinfo(e->net); |
1454 |
*/ |
*/ |
1455 |
void emul_simple_init(struct emul *emul) |
void emul_simple_init(struct emul *emul) |
1456 |
{ |
{ |
1457 |
int iadd=4; |
int iadd = DEBUG_INDENTATION; |
1458 |
struct machine *m; |
struct machine *m; |
1459 |
|
|
1460 |
if (emul->n_machines != 1) { |
if (emul->n_machines != 1) { |
1491 |
*/ |
*/ |
1492 |
struct emul *emul_create_from_configfile(char *fname) |
struct emul *emul_create_from_configfile(char *fname) |
1493 |
{ |
{ |
1494 |
int iadd = 4; |
int iadd = DEBUG_INDENTATION; |
1495 |
struct emul *e = emul_new(fname); |
struct emul *e = emul_new(fname); |
1496 |
FILE *f; |
FILE *f; |
1497 |
char buf[128]; |
char buf[128]; |
1545 |
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1546 |
atexit(fix_console); |
atexit(fix_console); |
1547 |
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i = 79; |
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while (i-- > 0) |
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debug("-"); |
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debug("\n\n"); |
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1548 |
/* Initialize the interactive debugger: */ |
/* Initialize the interactive debugger: */ |
1549 |
debugger_init(emuls, n_emuls); |
debugger_init(emuls, n_emuls); |
1550 |
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1551 |
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/* Run any additional debugger commands before starting: */ |
1552 |
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for (i=0; i<n_emuls; i++) { |
1553 |
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struct emul *emul = emuls[i]; |
1554 |
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if (emul->n_debugger_cmds > 0) { |
1555 |
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int j; |
1556 |
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if (i == 0) |
1557 |
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print_separator(); |
1558 |
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for (j = 0; j < emul->n_debugger_cmds; j ++) { |
1559 |
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debug("> %s\n", emul->debugger_cmds[j]); |
1560 |
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debugger_execute_cmd(emul->debugger_cmds[j], |
1561 |
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strlen(emul->debugger_cmds[j])); |
1562 |
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} |
1563 |
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} |
1564 |
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} |
1565 |
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1566 |
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print_separator(); |
1567 |
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debug("\n"); |
1568 |
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1569 |
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1570 |
/* |
/* |
1571 |
* console_init_main() makes sure that the terminal is in a |
* console_init_main() makes sure that the terminal is in a |
1572 |
* reasonable state. |
* reasonable state. |