25 |
* SUCH DAMAGE. |
* SUCH DAMAGE. |
26 |
* |
* |
27 |
* |
* |
28 |
* $Id: cpu.c,v 1.298 2005/06/27 10:43:16 debug Exp $ |
* $Id: cpu.c,v 1.316 2005/08/16 05:37:09 debug Exp $ |
29 |
* |
* |
30 |
* Common routines for CPU emulation. (Not specific to any CPU type.) |
* Common routines for CPU emulation. (Not specific to any CPU type.) |
31 |
*/ |
*/ |
37 |
|
|
38 |
#include "cpu.h" |
#include "cpu.h" |
39 |
#include "machine.h" |
#include "machine.h" |
40 |
|
#include "memory.h" |
41 |
#include "misc.h" |
#include "misc.h" |
42 |
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|
43 |
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|
72 |
exit(1); |
exit(1); |
73 |
} |
} |
74 |
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|
75 |
cpu = malloc(sizeof(struct cpu)); |
cpu = zeroed_alloc(sizeof(struct cpu)); |
|
if (cpu == NULL) { |
|
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fprintf(stderr, "out of memory\n"); |
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exit(1); |
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} |
|
76 |
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memset(cpu, 0, sizeof(struct cpu)); |
|
77 |
cpu->memory_rw = NULL; |
cpu->memory_rw = NULL; |
78 |
cpu->name = cpu_type_name; |
cpu->name = cpu_type_name; |
79 |
cpu->mem = mem; |
cpu->mem = mem; |
83 |
cpu->bootstrap_cpu_flag = 0; |
cpu->bootstrap_cpu_flag = 0; |
84 |
cpu->running = 0; |
cpu->running = 0; |
85 |
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|
86 |
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cpu_create_or_reset_tc(cpu); |
87 |
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|
88 |
fp = first_cpu_family; |
fp = first_cpu_family; |
89 |
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|
90 |
while (fp != NULL) { |
while (fp != NULL) { |
229 |
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|
230 |
|
|
231 |
/* |
/* |
232 |
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* cpu_functioncall_trace(): |
233 |
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* |
234 |
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* This function should be called if machine->show_trace_tree is enabled, and |
235 |
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* a function call is being made. f contains the address of the function. |
236 |
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*/ |
237 |
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void cpu_functioncall_trace(struct cpu *cpu, uint64_t f) |
238 |
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{ |
239 |
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int i, n_args = -1; |
240 |
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char *symbol; |
241 |
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uint64_t offset; |
242 |
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243 |
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if (cpu->machine->ncpus > 1) |
244 |
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fatal("cpu%i:\t", cpu->cpu_id); |
245 |
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246 |
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cpu->trace_tree_depth ++; |
247 |
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for (i=0; i<cpu->trace_tree_depth; i++) |
248 |
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fatal(" "); |
249 |
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250 |
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fatal("<"); |
251 |
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symbol = get_symbol_name_and_n_args(&cpu->machine->symbol_context, |
252 |
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f, &offset, &n_args); |
253 |
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if (symbol != NULL) |
254 |
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fatal("%s", symbol); |
255 |
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else { |
256 |
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if (cpu->is_32bit) |
257 |
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fatal("0x%08x", (int)f); |
258 |
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else |
259 |
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fatal("0x%llx", (long long)f); |
260 |
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} |
261 |
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fatal("("); |
262 |
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|
263 |
|
if (cpu->machine->cpu_family->functioncall_trace != NULL) |
264 |
|
cpu->machine->cpu_family->functioncall_trace(cpu, f, n_args); |
265 |
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|
266 |
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fatal(")>\n"); |
267 |
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} |
268 |
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|
269 |
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|
270 |
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/* |
271 |
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* cpu_functioncall_trace_return(): |
272 |
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* |
273 |
|
* This function should be called if machine->show_trace_tree is enabled, and |
274 |
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* a function is being returned from. |
275 |
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* |
276 |
|
* TODO: Print return value? This could be implemented similar to the |
277 |
|
* cpu->functioncall_trace function call above. |
278 |
|
*/ |
279 |
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void cpu_functioncall_trace_return(struct cpu *cpu) |
280 |
|
{ |
281 |
|
cpu->trace_tree_depth --; |
282 |
|
if (cpu->trace_tree_depth < 0) |
283 |
|
cpu->trace_tree_depth = 0; |
284 |
|
} |
285 |
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|
286 |
|
|
287 |
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/* |
288 |
|
* cpu_create_or_reset_tc(): |
289 |
|
* |
290 |
|
* Create the translation cache in memory (ie allocate memory for it), if |
291 |
|
* necessary, and then reset it to an initial state. |
292 |
|
*/ |
293 |
|
void cpu_create_or_reset_tc(struct cpu *cpu) |
294 |
|
{ |
295 |
|
if (cpu->translation_cache == NULL) |
296 |
|
cpu->translation_cache = zeroed_alloc(DYNTRANS_CACHE_SIZE + |
297 |
|
DYNTRANS_CACHE_MARGIN); |
298 |
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|
299 |
|
/* Create an empty table at the beginning of the translation cache: */ |
300 |
|
memset(cpu->translation_cache, 0, sizeof(uint32_t) |
301 |
|
* N_BASE_TABLE_ENTRIES); |
302 |
|
|
303 |
|
cpu->translation_cache_cur_ofs = |
304 |
|
N_BASE_TABLE_ENTRIES * sizeof(uint32_t); |
305 |
|
|
306 |
|
/* |
307 |
|
* There might be other translation pointers that still point to |
308 |
|
* within the translation_cache region. Let's invalidate those too: |
309 |
|
*/ |
310 |
|
if (cpu->invalidate_code_translation_caches != NULL) |
311 |
|
cpu->invalidate_code_translation_caches(cpu); |
312 |
|
} |
313 |
|
|
314 |
|
|
315 |
|
/* |
316 |
* cpu_run(): |
* cpu_run(): |
317 |
* |
* |
318 |
* Run instructions on all CPUs in this machine, for a "medium duration" |
* Run instructions on all CPUs in this machine, for a "medium duration" |
386 |
* Shuts down all CPUs in a machine when ending a simulation. (This function |
* Shuts down all CPUs in a machine when ending a simulation. (This function |
387 |
* should only need to be called once for each machine.) |
* should only need to be called once for each machine.) |
388 |
*/ |
*/ |
389 |
void cpu_run_deinit(struct emul *emul, struct machine *machine) |
void cpu_run_deinit(struct machine *machine) |
390 |
{ |
{ |
391 |
int te; |
int te; |
392 |
|
|
425 |
void cpu_show_cycles(struct machine *machine, int forced) |
void cpu_show_cycles(struct machine *machine, int forced) |
426 |
{ |
{ |
427 |
uint64_t offset, pc; |
uint64_t offset, pc; |
|
int is_32bit = 0, instrs_per_cycle = 1; |
|
428 |
char *symbol; |
char *symbol; |
429 |
int64_t mseconds, ninstrs; |
int64_t mseconds, ninstrs, is, avg; |
430 |
struct timeval tv; |
struct timeval tv; |
431 |
int h, m, s, ms, d; |
int h, m, s, ms, d, instrs_per_cycle = 1; |
432 |
|
|
433 |
static int64_t mseconds_last = 0; |
static int64_t mseconds_last = 0; |
434 |
static int64_t ninstrs_last = -1; |
static int64_t ninstrs_last = -1; |
435 |
|
|
436 |
switch (machine->arch) { |
switch (machine->arch) { |
437 |
case ARCH_MIPS: |
case ARCH_MIPS: |
|
if (machine->cpus[machine->bootstrap_cpu]->cd.mips. |
|
|
cpu_type.isa_level < 3 || machine->cpus[machine-> |
|
|
bootstrap_cpu]->cd.mips.cpu_type.isa_level == 32) |
|
|
is_32bit = 1; |
|
438 |
instrs_per_cycle = machine->cpus[machine->bootstrap_cpu]-> |
instrs_per_cycle = machine->cpus[machine->bootstrap_cpu]-> |
439 |
cd.mips.cpu_type.instrs_per_cycle; |
cd.mips.cpu_type.instrs_per_cycle; |
440 |
break; |
break; |
|
case ARCH_ARM: |
|
|
is_32bit = 1; |
|
|
break; |
|
441 |
} |
} |
442 |
|
|
443 |
pc = machine->cpus[machine->bootstrap_cpu]->pc; |
pc = machine->cpus[machine->bootstrap_cpu]->pc; |
473 |
cur_cycles_per_second) / 16; |
cur_cycles_per_second) / 16; |
474 |
} |
} |
475 |
|
|
476 |
debug("[ updating emulated_hz to %lli Hz ]\n", |
/* debug("[ updating emulated_hz to %lli Hz ]\n", |
477 |
(long long)machine->emulated_hz); |
(long long)machine->emulated_hz); */ |
478 |
} |
} |
479 |
|
|
480 |
|
|
501 |
} |
} |
502 |
|
|
503 |
/* Instructions per second, and average so far: */ |
/* Instructions per second, and average so far: */ |
504 |
printf("; i/s=%lli avg=%lli; ", |
is = 1000 * (ninstrs-ninstrs_last) / (mseconds-mseconds_last); |
505 |
(long long) ((long long)1000 * (ninstrs-ninstrs_last) |
avg = (long long)1000 * ninstrs / mseconds; |
506 |
/ (mseconds-mseconds_last)), |
if (is < 0) |
507 |
(long long) ((long long)1000 * ninstrs / mseconds)); |
is = 0; |
508 |
|
if (avg < 0) |
509 |
|
avg = 0; |
510 |
|
printf("; i/s=%lli avg=%lli", (long long)is, (long long)avg); |
511 |
|
|
512 |
symbol = get_symbol_name(&machine->symbol_context, pc, &offset); |
symbol = get_symbol_name(&machine->symbol_context, pc, &offset); |
513 |
|
|
514 |
if (is_32bit) |
if (machine->ncpus == 1) { |
515 |
printf("pc=0x%08x", (int)pc); |
if (machine->cpus[machine->bootstrap_cpu]->is_32bit) |
516 |
else |
printf("; pc=0x%08x", (int)pc); |
517 |
printf("pc=0x%016llx", (long long)pc); |
else |
518 |
|
printf("; pc=0x%016llx", (long long)pc); |
519 |
|
} |
520 |
|
|
521 |
if (symbol != NULL) |
if (symbol != NULL) |
522 |
printf(" <%s>", symbol); |
printf(" <%s>", symbol); |
534 |
* Prepare to run instructions on all CPUs in this machine. (This function |
* Prepare to run instructions on all CPUs in this machine. (This function |
535 |
* should only need to be called once for each machine.) |
* should only need to be called once for each machine.) |
536 |
*/ |
*/ |
537 |
void cpu_run_init(struct emul *emul, struct machine *machine) |
void cpu_run_init(struct machine *machine) |
538 |
{ |
{ |
539 |
int ncpus = machine->ncpus; |
int ncpus = machine->ncpus; |
540 |
int te; |
int te; |
644 |
void cpu_init(void) |
void cpu_init(void) |
645 |
{ |
{ |
646 |
/* Note: These are registered in alphabetic order. */ |
/* Note: These are registered in alphabetic order. */ |
647 |
|
|
648 |
|
#ifdef ENABLE_ALPHA |
649 |
|
add_cpu_family(alpha_cpu_family_init, ARCH_ALPHA); |
650 |
|
#endif |
651 |
|
|
652 |
|
#ifdef ENABLE_ARM |
653 |
add_cpu_family(arm_cpu_family_init, ARCH_ARM); |
add_cpu_family(arm_cpu_family_init, ARCH_ARM); |
654 |
|
#endif |
655 |
|
|
656 |
|
#ifdef ENABLE_IA64 |
657 |
|
add_cpu_family(ia64_cpu_family_init, ARCH_IA64); |
658 |
|
#endif |
659 |
|
|
660 |
|
#ifdef ENABLE_M68K |
661 |
|
add_cpu_family(m68k_cpu_family_init, ARCH_M68K); |
662 |
|
#endif |
663 |
|
|
664 |
|
#ifdef ENABLE_MIPS |
665 |
add_cpu_family(mips_cpu_family_init, ARCH_MIPS); |
add_cpu_family(mips_cpu_family_init, ARCH_MIPS); |
666 |
|
#endif |
667 |
|
|
668 |
|
#ifdef ENABLE_PPC |
669 |
add_cpu_family(ppc_cpu_family_init, ARCH_PPC); |
add_cpu_family(ppc_cpu_family_init, ARCH_PPC); |
670 |
add_cpu_family(urisc_cpu_family_init, ARCH_URISC); |
#endif |
671 |
|
|
672 |
|
#ifdef ENABLE_SPARC |
673 |
|
add_cpu_family(sparc_cpu_family_init, ARCH_SPARC); |
674 |
|
#endif |
675 |
|
|
676 |
|
#ifdef ENABLE_X86 |
677 |
add_cpu_family(x86_cpu_family_init, ARCH_X86); |
add_cpu_family(x86_cpu_family_init, ARCH_X86); |
678 |
|
#endif |
679 |
} |
} |
680 |
|
|