25 |
* SUCH DAMAGE. |
* SUCH DAMAGE. |
26 |
* |
* |
27 |
* |
* |
28 |
* $Id: emul.c,v 1.282 2007/04/11 15:15:31 debug Exp $ |
* $Id: emul.c,v 1.297 2007/06/15 17:02:37 debug Exp $ |
29 |
* |
* |
30 |
* Emulation startup and misc. routines. |
* Emulation startup and misc. routines. |
31 |
*/ |
*/ |
52 |
#include "misc.h" |
#include "misc.h" |
53 |
#include "net.h" |
#include "net.h" |
54 |
#include "settings.h" |
#include "settings.h" |
|
#include "sgi_arcbios.h" |
|
55 |
#include "timer.h" |
#include "timer.h" |
56 |
|
#include "useremul.h" |
57 |
#include "x11.h" |
#include "x11.h" |
58 |
|
|
59 |
|
|
68 |
extern int old_instruction_trace; |
extern int old_instruction_trace; |
69 |
extern int old_quiet_mode; |
extern int old_quiet_mode; |
70 |
extern int quiet_mode; |
extern int quiet_mode; |
71 |
|
extern int native_code_translation_enabled; |
|
extern struct emul *debugger_emul; |
|
|
extern struct diskimage *diskimages[]; |
|
|
|
|
|
|
|
|
static void print_separator(void) |
|
|
{ |
|
|
int i = 79; |
|
|
while (i-- > 0) |
|
|
debug("-"); |
|
|
debug("\n"); |
|
|
} |
|
72 |
|
|
73 |
|
|
74 |
/* |
/* |
75 |
* add_dump_points(): |
* add_breakpoints(): |
76 |
* |
* |
77 |
* Take the strings breakpoint_string[] and convert to addresses |
* Take the strings breakpoint_string[] and convert to addresses |
78 |
* (and store them in breakpoint_addr[]). |
* (and store them in breakpoint_addr[]). |
79 |
* |
* |
80 |
* TODO: This function should be moved elsewhere. |
* TODO: This function should be moved elsewhere. |
81 |
*/ |
*/ |
82 |
static void add_dump_points(struct machine *m) |
static void add_breakpoints(struct machine *m) |
83 |
{ |
{ |
84 |
int i; |
int i; |
85 |
int string_flag; |
int string_flag; |
86 |
uint64_t dp; |
uint64_t dp; |
87 |
|
|
88 |
for (i=0; i<m->n_breakpoints; i++) { |
for (i=0; i<m->breakpoints.n; i++) { |
89 |
string_flag = 0; |
string_flag = 0; |
90 |
dp = strtoull(m->breakpoint_string[i], NULL, 0); |
dp = strtoull(m->breakpoints.string[i], NULL, 0); |
91 |
|
|
92 |
/* |
/* |
93 |
* If conversion resulted in 0, then perhaps it is a |
* If conversion resulted in 0, then perhaps it is a |
96 |
if (dp == 0) { |
if (dp == 0) { |
97 |
uint64_t addr; |
uint64_t addr; |
98 |
int res = get_symbol_addr(&m->symbol_context, |
int res = get_symbol_addr(&m->symbol_context, |
99 |
m->breakpoint_string[i], &addr); |
m->breakpoints.string[i], &addr); |
100 |
if (!res) { |
if (!res) { |
101 |
fprintf(stderr, |
fprintf(stderr, |
102 |
"ERROR! Breakpoint '%s' could not be" |
"ERROR! Breakpoint '%s' could not be" |
103 |
" parsed\n", |
" parsed\n", |
104 |
m->breakpoint_string[i]); |
m->breakpoints.string[i]); |
105 |
|
exit(1); |
106 |
} else { |
} else { |
107 |
dp = addr; |
dp = addr; |
108 |
string_flag = 1; |
string_flag = 1; |
119 |
dp |= 0xffffffff00000000ULL; |
dp |= 0xffffffff00000000ULL; |
120 |
} |
} |
121 |
|
|
122 |
m->breakpoint_addr[i] = dp; |
m->breakpoints.addr[i] = dp; |
123 |
|
|
124 |
debug("breakpoint %i: 0x%llx", i, (long long)dp); |
debug("breakpoint %i: 0x%llx", i, (long long)dp); |
125 |
if (string_flag) |
if (string_flag) |
126 |
debug(" (%s)", m->breakpoint_string[i]); |
debug(" (%s)", m->breakpoints.string[i]); |
127 |
debug("\n"); |
debug("\n"); |
128 |
} |
} |
129 |
} |
} |
146 |
struct emul *emul_new(char *name, int id) |
struct emul *emul_new(char *name, int id) |
147 |
{ |
{ |
148 |
struct emul *e; |
struct emul *e; |
|
e = malloc(sizeof(struct emul)); |
|
|
if (e == NULL) { |
|
|
fprintf(stderr, "out of memory in emul_new()\n"); |
|
|
exit(1); |
|
|
} |
|
149 |
|
|
150 |
|
CHECK_ALLOCATION(e = malloc(sizeof(struct emul))); |
151 |
memset(e, 0, sizeof(struct emul)); |
memset(e, 0, sizeof(struct emul)); |
152 |
|
|
153 |
e->path = malloc(15); |
CHECK_ALLOCATION(e->path = malloc(15)); |
|
if (e->path == NULL) { |
|
|
fprintf(stderr, "out of memory\n"); |
|
|
exit(1); |
|
|
} |
|
154 |
snprintf(e->path, 15, "emul[%i]", id); |
snprintf(e->path, 15, "emul[%i]", id); |
155 |
|
|
156 |
e->settings = settings_new(); |
e->settings = settings_new(); |
166 |
e->next_serial_nr = 1; |
e->next_serial_nr = 1; |
167 |
|
|
168 |
if (name != NULL) { |
if (name != NULL) { |
169 |
e->name = strdup(name); |
CHECK_ALLOCATION(e->name = strdup(name)); |
|
if (e->name == NULL) { |
|
|
fprintf(stderr, "out of memory in emul_new()\n"); |
|
|
exit(1); |
|
|
} |
|
|
|
|
170 |
settings_add(e->settings, "name", 0, |
settings_add(e->settings, "name", 0, |
171 |
SETTINGS_TYPE_STRING, SETTINGS_FORMAT_STRING, |
SETTINGS_TYPE_STRING, SETTINGS_FORMAT_STRING, |
172 |
(void *) &e->name); |
(void *) &e->name); |
221 |
m = machine_new(name, e, e->n_machines); |
m = machine_new(name, e, e->n_machines); |
222 |
m->serial_nr = (e->next_serial_nr ++); |
m->serial_nr = (e->next_serial_nr ++); |
223 |
|
|
224 |
i = e->n_machines; |
i = e->n_machines ++; |
225 |
|
|
226 |
e->n_machines ++; |
CHECK_ALLOCATION(e->machines = realloc(e->machines, |
227 |
e->machines = realloc(e->machines, |
sizeof(struct machine *) * e->n_machines)); |
|
sizeof(struct machine *) * e->n_machines); |
|
|
if (e->machines == NULL) { |
|
|
fprintf(stderr, "emul_add_machine(): out of memory\n"); |
|
|
exit(1); |
|
|
} |
|
228 |
|
|
229 |
e->machines[i] = m; |
e->machines[i] = m; |
230 |
|
|
419 |
/* TODO: This should be moved elsewhere... */ |
/* TODO: This should be moved elsewhere... */ |
420 |
if (m->machine_type == MACHINE_BEBOX) |
if (m->machine_type == MACHINE_BEBOX) |
421 |
m->ncpus = 2; |
m->ncpus = 2; |
|
else if (m->machine_type == MACHINE_ARC && |
|
|
m->machine_subtype == MACHINE_ARC_NEC_R96) |
|
|
m->ncpus = 2; |
|
|
else if (m->machine_type == MACHINE_ARC && |
|
|
m->machine_subtype == MACHINE_ARC_NEC_R98) |
|
|
m->ncpus = 4; |
|
422 |
else |
else |
423 |
m->ncpus = 1; |
m->ncpus = 1; |
424 |
} |
} |
425 |
m->cpus = malloc(sizeof(struct cpu *) * m->ncpus); |
|
426 |
if (m->cpus == NULL) { |
CHECK_ALLOCATION(m->cpus = malloc(sizeof(struct cpu *) * m->ncpus)); |
|
fprintf(stderr, "out of memory\n"); |
|
|
exit(1); |
|
|
} |
|
427 |
memset(m->cpus, 0, sizeof(struct cpu *) * m->ncpus); |
memset(m->cpus, 0, sizeof(struct cpu *) * m->ncpus); |
428 |
|
|
429 |
debug("cpu0"); |
debug("cpu0"); |
440 |
} |
} |
441 |
debug("\n"); |
debug("\n"); |
442 |
|
|
|
#if 0 |
|
|
/* Special case: The Playstation Portable has an additional CPU: */ |
|
|
if (m->machine_type == MACHINE_PSP) { |
|
|
debug("cpu%i: ", m->ncpus); |
|
|
m->cpus[m->ncpus] = cpu_new(m->memory, m, |
|
|
0 /* use 0 here to show info with debug() */, |
|
|
"Allegrex" /* TODO */); |
|
|
debug("\n"); |
|
|
m->ncpus ++; |
|
|
} |
|
|
#endif |
|
|
|
|
443 |
if (m->use_random_bootstrap_cpu) |
if (m->use_random_bootstrap_cpu) |
444 |
m->bootstrap_cpu = random() % m->ncpus; |
m->bootstrap_cpu = random() % m->ncpus; |
445 |
else |
else |
453 |
m->userland_emul, NULL, NULL, NULL); |
m->userland_emul, NULL, NULL, NULL); |
454 |
|
|
455 |
switch (m->arch) { |
switch (m->arch) { |
456 |
#ifdef ENABLE_ALPHA |
|
457 |
case ARCH_ALPHA: |
case ARCH_ALPHA: |
458 |
cpu->memory_rw = alpha_userland_memory_rw; |
cpu->memory_rw = alpha_userland_memory_rw; |
459 |
break; |
break; |
460 |
#endif |
|
461 |
default:cpu->memory_rw = userland_memory_rw; |
default: |
462 |
|
cpu->memory_rw = userland_memory_rw; |
463 |
} |
} |
464 |
} |
} |
465 |
|
|
466 |
if (m->use_x11) |
if (m->x11_md.in_use) |
467 |
x11_init(m); |
x11_init(m); |
468 |
|
|
469 |
/* Fill memory with random bytes: */ |
/* Fill memory with random bytes: */ |
532 |
fread(buf, 1, sizeof(buf), tmp_f); |
fread(buf, 1, sizeof(buf), tmp_f); |
533 |
if (buf[0]==0x1f && buf[1]==0x8b) { |
if (buf[0]==0x1f && buf[1]==0x8b) { |
534 |
size_t zzlen = strlen(name_to_load)*2 + 100; |
size_t zzlen = strlen(name_to_load)*2 + 100; |
535 |
char *zz = malloc(zzlen); |
char *zz; |
536 |
|
|
537 |
|
CHECK_ALLOCATION(zz = malloc(zzlen)); |
538 |
debug("gunziping %s\n", name_to_load); |
debug("gunziping %s\n", name_to_load); |
539 |
|
|
540 |
/* |
/* |
541 |
* gzip header found. If this was a file |
* gzip header found. If this was a file |
542 |
* extracted from, say, a CDROM image, then it |
* extracted from, say, a CDROM image, then it |
553 |
} else { |
} else { |
554 |
/* gunzip into new temp file: */ |
/* gunzip into new temp file: */ |
555 |
int tmpfile_handle; |
int tmpfile_handle; |
556 |
char *new_temp_name = |
char *new_temp_name; |
557 |
strdup("/tmp/gxemul.XXXXXXXXXXXX"); |
CHECK_ALLOCATION(new_temp_name = |
558 |
|
strdup("/tmp/gxemul.XXXXXXXXXXXX")); |
559 |
tmpfile_handle = mkstemp(new_temp_name); |
tmpfile_handle = mkstemp(new_temp_name); |
560 |
close(tmpfile_handle); |
close(tmpfile_handle); |
561 |
snprintf(zz, zzlen, "gunzip -c '%s' > " |
snprintf(zz, zzlen, "gunzip -c '%s' > " |
569 |
fclose(tmp_f); |
fclose(tmp_f); |
570 |
} |
} |
571 |
|
|
|
/* |
|
|
* Ugly (but usable) hack for Playstation Portable: If the |
|
|
* filename ends with ".pbp" and the file contains an ELF |
|
|
* header, then extract the ELF file into a temporary file. |
|
|
*/ |
|
|
if (strlen(name_to_load) > 4 && strcasecmp(name_to_load + |
|
|
strlen(name_to_load) - 4, ".pbp") == 0 && |
|
|
(tmp_f = fopen(name_to_load, "r")) != NULL) { |
|
|
off_t filesize, j, found=0; |
|
|
unsigned char *buf; |
|
|
fseek(tmp_f, 0, SEEK_END); |
|
|
filesize = ftello(tmp_f); |
|
|
fseek(tmp_f, 0, SEEK_SET); |
|
|
buf = malloc(filesize); |
|
|
if (buf == NULL) { |
|
|
fprintf(stderr, "out of memory while trying" |
|
|
" to read %s\n", name_to_load); |
|
|
exit(1); |
|
|
} |
|
|
fread(buf, 1, filesize, tmp_f); |
|
|
fclose(tmp_f); |
|
|
/* Search for the ELF header, from offset 1 (!): */ |
|
|
for (j=1; j<filesize - 4; j++) |
|
|
if (memcmp(buf + j, ELFMAG, SELFMAG) == 0) { |
|
|
found = j; |
|
|
break; |
|
|
} |
|
|
if (found != 0) { |
|
|
int tmpfile_handle; |
|
|
char *new_temp_name = |
|
|
strdup("/tmp/gxemul.XXXXXXXXXXXX"); |
|
|
debug("extracting ELF from %s (offset 0x%x)\n", |
|
|
name_to_load, (int)found); |
|
|
tmpfile_handle = mkstemp(new_temp_name); |
|
|
write(tmpfile_handle, buf + found, |
|
|
filesize - found); |
|
|
close(tmpfile_handle); |
|
|
name_to_load = new_temp_name; |
|
|
remove_after_load = 1; |
|
|
} |
|
|
} |
|
|
|
|
572 |
byte_order = NO_BYTE_ORDER_OVERRIDE; |
byte_order = NO_BYTE_ORDER_OVERRIDE; |
573 |
|
|
574 |
/* |
/* |
602 |
cpu->pc &= 0xfffffffc; |
cpu->pc &= 0xfffffffc; |
603 |
break; |
break; |
604 |
|
|
605 |
case ARCH_AVR: |
case ARCH_M88K: |
606 |
cpu->pc &= 0xfffff; |
if (cpu->pc & 3) { |
607 |
if (cpu->pc & 1) { |
fatal("M88K: lowest bits of pc set: TODO\n"); |
|
fatal("AVR: lowest bit of pc set: TODO\n"); |
|
608 |
exit(1); |
exit(1); |
609 |
} |
} |
610 |
break; |
cpu->pc &= 0xfffffffc; |
|
|
|
|
case ARCH_M68K: |
|
611 |
break; |
break; |
612 |
|
|
613 |
case ARCH_MIPS: |
case ARCH_MIPS: |
683 |
m->cpus[i]->running = 0; |
m->cpus[i]->running = 0; |
684 |
} |
} |
685 |
|
|
686 |
/* Add PC dump points: */ |
/* Parse and add breakpoints: */ |
687 |
add_dump_points(m); |
add_breakpoints(m); |
688 |
|
|
689 |
/* TODO: This is MIPS-specific! */ |
/* TODO: This is MIPS-specific! */ |
690 |
if (m->machine_type == MACHINE_PMAX && |
if (m->machine_type == MACHINE_PMAX && |
707 |
debug("0x%08"PRIx32, (uint32_t) entrypoint); |
debug("0x%08"PRIx32, (uint32_t) entrypoint); |
708 |
break; |
break; |
709 |
|
|
|
case ARCH_AVR: |
|
|
/* Atmel AVR uses a 16-bit or 22-bit program counter: */ |
|
|
debug("0x%04x", (int) entrypoint); |
|
|
break; |
|
|
|
|
710 |
case ARCH_MIPS: |
case ARCH_MIPS: |
711 |
if (cpu->is_32bit) { |
if (cpu->is_32bit) { |
712 |
debug("0x%08"PRIx32, (uint32_t) |
debug("0x%08"PRIx32, (uint32_t) |
861 |
if (emul->n_debugger_cmds > 0) { |
if (emul->n_debugger_cmds > 0) { |
862 |
int j; |
int j; |
863 |
if (i == 0) |
if (i == 0) |
864 |
print_separator(); |
print_separator_line(); |
865 |
for (j = 0; j < emul->n_debugger_cmds; j ++) { |
for (j = 0; j < emul->n_debugger_cmds; j ++) { |
866 |
debug("> %s\n", emul->debugger_cmds[j]); |
debug("> %s\n", emul->debugger_cmds[j]); |
867 |
debugger_execute_cmd(emul->debugger_cmds[j], |
debugger_execute_cmd(emul->debugger_cmds[j], |
870 |
} |
} |
871 |
} |
} |
872 |
|
|
873 |
print_separator(); |
print_separator_line(); |
874 |
debug("\n"); |
debug("\n"); |
875 |
|
|
876 |
|
|
912 |
/* |
/* |
913 |
* MAIN LOOP: |
* MAIN LOOP: |
914 |
* |
* |
915 |
* Run all emulations in parallel, running each machine in |
* Run all emulations in parallel, running instructions from each |
916 |
* each emulation. |
* cpu in each machine in each emulation. |
917 |
*/ |
*/ |
918 |
while (go) { |
while (go) { |
919 |
|
struct cpu *bootcpu = emuls[0]->machines[0]->cpus[ |
920 |
|
emuls[0]->machines[0]->bootstrap_cpu]; |
921 |
|
|
922 |
go = 0; |
go = 0; |
923 |
|
|
924 |
/* Flush X11 and serial console output every now and then: */ |
/* Flush X11 and serial console output every now and then: */ |
925 |
if (emuls[0]->machines[0]->ninstrs > |
if (bootcpu->ninstrs > bootcpu->ninstrs_flush + (1<<19)) { |
|
emuls[0]->machines[0]->ninstrs_flush + (1<<19)) { |
|
926 |
x11_check_event(emuls, n_emuls); |
x11_check_event(emuls, n_emuls); |
927 |
console_flush(); |
console_flush(); |
928 |
emuls[0]->machines[0]->ninstrs_flush = |
bootcpu->ninstrs_flush = bootcpu->ninstrs; |
|
emuls[0]->machines[0]->ninstrs; |
|
929 |
} |
} |
930 |
|
|
931 |
if (emuls[0]->machines[0]->ninstrs > |
if (bootcpu->ninstrs > bootcpu->ninstrs_show + (1<<25)) { |
932 |
emuls[0]->machines[0]->ninstrs_show + (1<<25)) { |
bootcpu->ninstrs_since_gettimeofday += |
933 |
emuls[0]->machines[0]->ninstrs_since_gettimeofday += |
(bootcpu->ninstrs - bootcpu->ninstrs_show); |
|
(emuls[0]->machines[0]->ninstrs - |
|
|
emuls[0]->machines[0]->ninstrs_show); |
|
934 |
cpu_show_cycles(emuls[0]->machines[0], 0); |
cpu_show_cycles(emuls[0]->machines[0], 0); |
935 |
emuls[0]->machines[0]->ninstrs_show = |
bootcpu->ninstrs_show = bootcpu->ninstrs; |
|
emuls[0]->machines[0]->ninstrs; |
|
936 |
} |
} |
937 |
|
|
938 |
if (single_step == ENTER_SINGLE_STEPPING) { |
if (single_step == ENTER_SINGLE_STEPPING) { |
985 |
n = 0; |
n = 0; |
986 |
for (i=0; i<n_emuls; i++) |
for (i=0; i<n_emuls; i++) |
987 |
for (j=0; j<emuls[i]->n_machines; j++) |
for (j=0; j<emuls[i]->n_machines; j++) |
988 |
if (emuls[i]->machines[j]->use_x11) |
if (emuls[i]->machines[j]->x11_md.in_use) |
989 |
n++; |
n++; |
990 |
if (n > 0) { |
if (n > 0) { |
991 |
printf("Press enter to quit.\n"); |
printf("Press enter to quit.\n"); |