25 |
* SUCH DAMAGE. |
* SUCH DAMAGE. |
26 |
* |
* |
27 |
* |
* |
28 |
* $Id: cpu_dyntrans.c,v 1.99 2006/06/23 20:43:44 debug Exp $ |
* $Id: cpu_dyntrans.c,v 1.120 2006/08/12 11:43:12 debug Exp $ |
29 |
* |
* |
30 |
* Common dyntrans routines. Included from cpu_*.c. |
* Common dyntrans routines. Included from cpu_*.c. |
31 |
*/ |
*/ |
32 |
|
|
33 |
|
|
34 |
#ifdef DYNTRANS_CPU_RUN_INSTR |
#ifndef STATIC_STUFF |
35 |
#if 1 /* IC statistics: */ |
#define STATIC_STUFF |
36 |
|
/* |
37 |
|
* gather_statistics(): |
38 |
|
*/ |
39 |
static void gather_statistics(struct cpu *cpu) |
static void gather_statistics(struct cpu *cpu) |
40 |
{ |
{ |
41 |
|
char ch, buf[60]; |
42 |
struct DYNTRANS_IC *ic = cpu->cd.DYNTRANS_ARCH.next_ic; |
struct DYNTRANS_IC *ic = cpu->cd.DYNTRANS_ARCH.next_ic; |
43 |
static long long n = 0; |
int i = 0; |
|
static FILE *f = NULL; |
|
|
|
|
|
n++; |
|
|
if (n < 100000000) |
|
|
return; |
|
|
|
|
|
if (f == NULL) { |
|
|
f = fopen("instruction_call_statistics.raw", "w"); |
|
|
if (f == NULL) { |
|
|
fatal("Unable to open statistics file for output.\n"); |
|
|
exit(1); |
|
|
} |
|
|
} |
|
|
fwrite(&ic->f, 1, sizeof(void *), f); |
|
|
} |
|
|
#else /* PC statistics: */ |
|
|
static void gather_statistics(struct cpu *cpu) |
|
|
{ |
|
44 |
uint64_t a; |
uint64_t a; |
45 |
int low_pc = ((size_t)cpu->cd.DYNTRANS_ARCH.next_ic - (size_t) |
int low_pc = ((size_t)cpu->cd.DYNTRANS_ARCH.next_ic - (size_t) |
46 |
cpu->cd.DYNTRANS_ARCH.cur_ic_page) / sizeof(struct DYNTRANS_IC); |
cpu->cd.DYNTRANS_ARCH.cur_ic_page) / sizeof(struct DYNTRANS_IC); |
|
if (low_pc < 0 || low_pc >= DYNTRANS_IC_ENTRIES_PER_PAGE) |
|
|
return; |
|
|
|
|
|
#if 0 |
|
|
/* Use the physical address: */ |
|
|
cpu->cd.DYNTRANS_ARCH.cur_physpage = (void *) |
|
|
cpu->cd.DYNTRANS_ARCH.cur_ic_page; |
|
|
a = cpu->cd.DYNTRANS_ARCH.cur_physpage->physaddr; |
|
|
#else |
|
|
/* Use the PC (virtual address): */ |
|
|
a = cpu->pc; |
|
|
#endif |
|
47 |
|
|
48 |
a &= ~((DYNTRANS_IC_ENTRIES_PER_PAGE-1) << |
buf[0] = '\0'; |
|
DYNTRANS_INSTR_ALIGNMENT_SHIFT); |
|
|
a += low_pc << DYNTRANS_INSTR_ALIGNMENT_SHIFT; |
|
49 |
|
|
50 |
/* |
while ((ch = cpu->machine->statistics_fields[i]) != '\0') { |
51 |
* TODO: Everything below this line should be cleaned up :-) |
if (i != 0) |
52 |
*/ |
strlcat(buf, " ", sizeof(buf)); |
53 |
a &= 0x03ffffff; |
|
54 |
{ |
switch (ch) { |
55 |
static long long *array = NULL; |
case 'i': |
56 |
static char *array_16kpage_in_use = NULL; |
snprintf(buf + strlen(buf), sizeof(buf), |
57 |
static int n = 0; |
"%p", (void *)ic->f); |
58 |
a >>= DYNTRANS_INSTR_ALIGNMENT_SHIFT; |
break; |
59 |
if (array == NULL) |
case 'p': |
60 |
array = zeroed_alloc(sizeof(long long) * 16384*1024); |
/* Physical program counter address: */ |
61 |
if (array_16kpage_in_use == NULL) |
/* (low_pc must be within the page!) */ |
62 |
array_16kpage_in_use = zeroed_alloc(sizeof(char) * 1024); |
if (low_pc < 0 || |
63 |
a &= (16384*1024-1); |
low_pc >= DYNTRANS_IC_ENTRIES_PER_PAGE) |
64 |
array[a] ++; |
strlcat(buf, "-", sizeof(buf)); |
65 |
array_16kpage_in_use[a / 16384] = 1; |
cpu->cd.DYNTRANS_ARCH.cur_physpage = (void *) |
66 |
n++; |
cpu->cd.DYNTRANS_ARCH.cur_ic_page; |
67 |
if ((n & 0x3fffffff) == 0) { |
a = cpu->cd.DYNTRANS_ARCH.cur_physpage->physaddr; |
68 |
FILE *f = fopen("statistics.out", "w"); |
a &= ~((DYNTRANS_IC_ENTRIES_PER_PAGE-1) << |
69 |
int i, j; |
DYNTRANS_INSTR_ALIGNMENT_SHIFT); |
70 |
printf("Saving statistics... "); fflush(stdout); |
a += low_pc << DYNTRANS_INSTR_ALIGNMENT_SHIFT; |
71 |
for (i=0; i<1024; i++) |
if (cpu->is_32bit) |
72 |
if (array_16kpage_in_use[i]) { |
snprintf(buf + strlen(buf), sizeof(buf), |
73 |
for (j=0; j<16384; j++) |
"0x%016"PRIx32, (uint32_t)a); |
74 |
if (array[i*16384 + j] > 0) |
else |
75 |
fprintf(f, "%lli\t" |
snprintf(buf + strlen(buf), sizeof(buf), |
76 |
"0x%016"PRIx64"\n", |
"0x%016"PRIx64, (uint64_t)a); |
77 |
(uint64_t)array[i*16384+j], |
break; |
78 |
(uint64_t)((i*16384+j) << |
case 'v': |
79 |
DYNTRANS_INSTR_ALIGNMENT_SHIFT)); |
/* Virtual program counter address: */ |
80 |
} |
/* (low_pc inside the page, or in a delay slot) */ |
81 |
fclose(f); |
if (low_pc < 0 || |
82 |
printf("n=0x%08x\n", n); |
low_pc >= DYNTRANS_IC_ENTRIES_PER_PAGE + 2) |
83 |
|
strlcat(buf, "-", sizeof(buf)); |
84 |
|
a = cpu->pc; |
85 |
|
a &= ~((DYNTRANS_IC_ENTRIES_PER_PAGE-1) << |
86 |
|
DYNTRANS_INSTR_ALIGNMENT_SHIFT); |
87 |
|
a += low_pc << DYNTRANS_INSTR_ALIGNMENT_SHIFT; |
88 |
|
if (cpu->is_32bit) |
89 |
|
snprintf(buf + strlen(buf), sizeof(buf), |
90 |
|
"0x%016"PRIx32, (uint32_t)a); |
91 |
|
else |
92 |
|
snprintf(buf + strlen(buf), sizeof(buf), |
93 |
|
"0x%016"PRIx64, (uint64_t)a); |
94 |
|
break; |
95 |
|
} |
96 |
|
i++; |
97 |
} |
} |
98 |
|
|
99 |
|
fprintf(cpu->machine->statistics_file, "%s\n", buf); |
100 |
} |
} |
|
} |
|
|
#endif /* PC statistics */ |
|
101 |
|
|
102 |
|
|
103 |
#define S gather_statistics(cpu) |
#define S gather_statistics(cpu) |
156 |
ic = cpu->cd.DYNTRANS_ARCH.next_ic ++; ic->f(cpu, ic); } |
ic = cpu->cd.DYNTRANS_ARCH.next_ic ++; ic->f(cpu, ic); } |
157 |
*/ |
*/ |
158 |
#endif |
#endif |
159 |
|
#endif /* STATIC STUFF */ |
160 |
|
|
161 |
|
|
162 |
|
|
163 |
|
#ifdef DYNTRANS_RUN_INSTR |
164 |
/* |
/* |
165 |
* XXX_cpu_run_instr(): |
* XXX_run_instr(): |
166 |
* |
* |
167 |
* Execute one or more instructions on a specific CPU, using dyntrans. |
* Execute one or more instructions on a specific CPU, using dyntrans. |
168 |
|
* (For dualmode archs, this function is included twice.) |
169 |
* |
* |
170 |
* Return value is the number of instructions executed during this call, |
* Return value is the number of instructions executed during this call, |
171 |
* 0 if no instructions were executed. |
* 0 if no instructions were executed. |
172 |
*/ |
*/ |
173 |
int DYNTRANS_CPU_RUN_INSTR(struct emul *emul, struct cpu *cpu) |
int DYNTRANS_RUN_INSTR(struct cpu *cpu) |
174 |
{ |
{ |
175 |
/* |
MODE_uint_t cached_pc; |
|
* TODO: Statistics stuff! |
|
|
*/ |
|
|
int show_opcode_statistics = 0; |
|
|
|
|
|
#ifdef DYNTRANS_DUALMODE_32 |
|
|
uint64_t cached_pc; |
|
|
#else |
|
|
uint32_t cached_pc; |
|
|
#endif |
|
176 |
int low_pc, n_instrs; |
int low_pc, n_instrs; |
177 |
|
|
178 |
|
/* Ugly... fix this some day. */ |
179 |
#ifdef DYNTRANS_DUALMODE_32 |
#ifdef DYNTRANS_DUALMODE_32 |
180 |
if (cpu->is_32bit) |
#ifdef MODE32 |
181 |
DYNTRANS_PC_TO_POINTERS32(cpu); |
DYNTRANS_PC_TO_POINTERS32(cpu); |
182 |
else |
#else |
183 |
|
DYNTRANS_PC_TO_POINTERS(cpu); |
184 |
#endif |
#endif |
185 |
|
#else |
186 |
DYNTRANS_PC_TO_POINTERS(cpu); |
DYNTRANS_PC_TO_POINTERS(cpu); |
187 |
|
#endif |
188 |
|
|
189 |
/* |
/* |
190 |
* Interrupt assertion? (This is _below_ the initial PC to pointer |
* Interrupt assertion? (This is _below_ the initial PC to pointer |
223 |
#endif |
#endif |
224 |
#ifdef DYNTRANS_PPC |
#ifdef DYNTRANS_PPC |
225 |
if (cpu->cd.ppc.dec_intr_pending && cpu->cd.ppc.msr & PPC_MSR_EE) { |
if (cpu->cd.ppc.dec_intr_pending && cpu->cd.ppc.msr & PPC_MSR_EE) { |
226 |
ppc_exception(cpu, PPC_EXCEPTION_DEC); |
if (!(cpu->cd.ppc.cpu_type.flags & PPC_NO_DEC)) |
227 |
|
ppc_exception(cpu, PPC_EXCEPTION_DEC); |
228 |
cpu->cd.ppc.dec_intr_pending = 0; |
cpu->cd.ppc.dec_intr_pending = 0; |
229 |
} |
} |
230 |
if (cpu->cd.ppc.irq_asserted && cpu->cd.ppc.msr & PPC_MSR_EE) |
if (cpu->cd.ppc.irq_asserted && cpu->cd.ppc.msr & PPC_MSR_EE) |
234 |
cached_pc = cpu->pc; |
cached_pc = cpu->pc; |
235 |
|
|
236 |
cpu->n_translated_instrs = 0; |
cpu->n_translated_instrs = 0; |
|
cpu->running_translated = 1; |
|
237 |
|
|
238 |
cpu->cd.DYNTRANS_ARCH.cur_physpage = (void *) |
cpu->cd.DYNTRANS_ARCH.cur_physpage = (void *) |
239 |
cpu->cd.DYNTRANS_ARCH.cur_ic_page; |
cpu->cd.DYNTRANS_ARCH.cur_ic_page; |
263 |
|
|
264 |
if (!cpu->memory_rw(cpu, cpu->mem, cached_pc, &instr[0], |
if (!cpu->memory_rw(cpu, cpu->mem, cached_pc, &instr[0], |
265 |
sizeof(instr), MEM_READ, CACHE_INSTRUCTION)) { |
sizeof(instr), MEM_READ, CACHE_INSTRUCTION)) { |
266 |
fatal("XXX_cpu_run_instr(): could not read " |
fatal("XXX_run_instr(): could not read " |
267 |
"the instruction\n"); |
"the instruction\n"); |
268 |
} else { |
} else { |
269 |
cpu_disassemble_instr(cpu->machine, cpu, |
cpu_disassemble_instr(cpu->machine, cpu, |
292 |
} |
} |
293 |
} |
} |
294 |
|
|
295 |
/* When single-stepping, multiple instruction calls cannot |
if (cpu->machine->statistics_enabled) |
|
be combined into one. This clears all translations: */ |
|
|
if (cpu->cd.DYNTRANS_ARCH.cur_physpage->flags & COMBINATIONS) { |
|
|
int i; |
|
|
for (i=0; i<DYNTRANS_IC_ENTRIES_PER_PAGE; i++) { |
|
|
cpu->cd.DYNTRANS_ARCH.cur_physpage->ics[i].f = |
|
|
#ifdef DYNTRANS_DUALMODE_32 |
|
|
cpu->is_32bit? |
|
|
instr32(to_be_translated) : |
|
|
#endif |
|
|
instr(to_be_translated); |
|
|
#ifdef DYNTRANS_VARIABLE_INSTRUCTION_LENGTH |
|
|
cpu->cd.DYNTRANS_ARCH.cur_physpage->ics[i]. |
|
|
arg[0] = 0; |
|
|
#endif |
|
|
} |
|
|
fatal("[ Note: The translation of physical page 0x%" |
|
|
PRIx64" contained combinations of instructions; " |
|
|
"these are now flushed because we are single-" |
|
|
"stepping. ]\n", (long long)cpu->cd.DYNTRANS_ARCH. |
|
|
cur_physpage->physaddr); |
|
|
cpu->cd.DYNTRANS_ARCH.cur_physpage->flags &= |
|
|
~(COMBINATIONS | TRANSLATIONS); |
|
|
} |
|
|
|
|
|
if (show_opcode_statistics) |
|
296 |
S; |
S; |
297 |
|
|
298 |
/* Execute just one instruction: */ |
/* Execute just one instruction: */ |
316 |
cpu->machine->tick_func[1](cpu, cpu->machine->tick_extra[1]); |
cpu->machine->tick_func[1](cpu, cpu->machine->tick_extra[1]); |
317 |
/* printf("B\n"); */ |
/* printf("B\n"); */ |
318 |
|
|
319 |
if (!cpu->running_translated || |
if (n_instrs + cpu->n_translated_instrs >= |
320 |
n_instrs + cpu->n_translated_instrs >= |
N_SAFE_DYNTRANS_LIMIT) |
|
N_SAFE_DYNTRANS_LIMIT / 2) |
|
321 |
break; |
break; |
322 |
} |
} |
323 |
} else if (show_opcode_statistics) { |
} else if (cpu->machine->statistics_enabled) { |
324 |
/* Gather statistics while executing multiple instructions: */ |
/* Gather statistics while executing multiple instructions: */ |
325 |
n_instrs = 0; |
n_instrs = 0; |
326 |
for (;;) { |
for (;;) { |
333 |
|
|
334 |
n_instrs += 24; |
n_instrs += 24; |
335 |
|
|
336 |
if (!cpu->running_translated || |
if (n_instrs + cpu->n_translated_instrs >= |
337 |
n_instrs + cpu->n_translated_instrs >= |
N_SAFE_DYNTRANS_LIMIT) |
|
N_SAFE_DYNTRANS_LIMIT / 2) |
|
338 |
break; |
break; |
339 |
} |
} |
340 |
} else { |
} else { |
341 |
/* Execute multiple instructions: */ |
/* Execute multiple instructions: */ |
342 |
n_instrs = 0; |
int n = 0; |
343 |
for (;;) { |
for (;;) { |
344 |
struct DYNTRANS_IC *ic; |
struct DYNTRANS_IC *ic; |
345 |
|
|
351 |
|
|
352 |
I; I; I; I; I; I; I; I; I; I; |
I; I; I; I; I; I; I; I; I; I; |
353 |
|
|
354 |
n_instrs += 60; |
n += 60; |
355 |
|
|
356 |
if (!cpu->running_translated || |
if (n + cpu->n_translated_instrs >= |
357 |
n_instrs + cpu->n_translated_instrs >= |
N_SAFE_DYNTRANS_LIMIT) |
|
N_SAFE_DYNTRANS_LIMIT / 2) |
|
358 |
break; |
break; |
359 |
} |
} |
360 |
|
n_instrs = n; |
361 |
} |
} |
362 |
|
|
363 |
n_instrs += cpu->n_translated_instrs; |
n_instrs += cpu->n_translated_instrs; |
416 |
/* Return the nr of instructions executed: */ |
/* Return the nr of instructions executed: */ |
417 |
return n_instrs; |
return n_instrs; |
418 |
} |
} |
419 |
#endif /* DYNTRANS_CPU_RUN_INSTR */ |
#endif /* DYNTRANS_RUN_INSTR */ |
420 |
|
|
421 |
|
|
422 |
|
|
463 |
*/ |
*/ |
464 |
for (x=0; x<n_args_to_print; x++) { |
for (x=0; x<n_args_to_print; x++) { |
465 |
int64_t d; |
int64_t d; |
466 |
#ifdef DYNTRANS_X86 |
#if defined(DYNTRANS_X86) || defined(DYNTRANS_TRANSPUTER) |
467 |
d = 0; /* TODO */ |
d = 0; /* TODO */ |
468 |
#else |
#else |
469 |
/* Args in registers: */ |
/* Args in registers: */ |
533 |
|
|
534 |
|
|
535 |
#ifdef DYNTRANS_TC_ALLOCATE_DEFAULT_PAGE |
#ifdef DYNTRANS_TC_ALLOCATE_DEFAULT_PAGE |
|
|
|
|
/* forward declaration of to_be_translated and end_of_page: */ |
|
|
static void instr(to_be_translated)(struct cpu *, struct DYNTRANS_IC *); |
|
|
static void instr(end_of_page)(struct cpu *,struct DYNTRANS_IC *); |
|
|
#ifdef DYNTRANS_DUALMODE_32 |
|
|
static void instr32(to_be_translated)(struct cpu *, struct DYNTRANS_IC *); |
|
|
static void instr32(end_of_page)(struct cpu *,struct DYNTRANS_IC *); |
|
|
#endif |
|
|
|
|
|
#ifdef DYNTRANS_DELAYSLOT |
|
|
static void instr(end_of_page2)(struct cpu *,struct DYNTRANS_IC *); |
|
|
#ifdef DYNTRANS_DUALMODE_32 |
|
|
static void instr32(end_of_page2)(struct cpu *,struct DYNTRANS_IC *); |
|
|
#endif |
|
|
#endif |
|
|
|
|
536 |
/* |
/* |
537 |
* XXX_tc_allocate_default_page(): |
* XXX_tc_allocate_default_page(): |
538 |
* |
* |
543 |
uint64_t physaddr) |
uint64_t physaddr) |
544 |
{ |
{ |
545 |
struct DYNTRANS_TC_PHYSPAGE *ppp; |
struct DYNTRANS_TC_PHYSPAGE *ppp; |
|
int i; |
|
546 |
|
|
|
/* Create the physpage header: */ |
|
547 |
ppp = (struct DYNTRANS_TC_PHYSPAGE *)(cpu->translation_cache |
ppp = (struct DYNTRANS_TC_PHYSPAGE *)(cpu->translation_cache |
548 |
+ cpu->translation_cache_cur_ofs); |
+ cpu->translation_cache_cur_ofs); |
|
ppp->next_ofs = 0; |
|
|
ppp->physaddr = physaddr; |
|
549 |
|
|
550 |
/* TODO: Is this faster than copying an entire template page? */ |
/* Copy the entire template page first: */ |
551 |
for (i=0; i<DYNTRANS_IC_ENTRIES_PER_PAGE; i++) { |
memcpy(ppp, cpu->cd.DYNTRANS_ARCH.physpage_template, sizeof( |
552 |
ppp->ics[i].f = |
struct DYNTRANS_TC_PHYSPAGE)); |
|
#ifdef DYNTRANS_DUALMODE_32 |
|
|
cpu->is_32bit? instr32(to_be_translated) : |
|
|
#endif |
|
|
instr(to_be_translated); |
|
|
#ifdef DYNTRANS_VARIABLE_INSTRUCTION_LENGTH |
|
|
ppp->ics[i].arg[0] = 0; |
|
|
#endif |
|
|
} |
|
|
|
|
|
/* End-of-page: */ |
|
|
ppp->ics[DYNTRANS_IC_ENTRIES_PER_PAGE + 0].f = |
|
|
#ifdef DYNTRANS_DUALMODE_32 |
|
|
cpu->is_32bit? instr32(end_of_page) : |
|
|
#endif |
|
|
instr(end_of_page); |
|
553 |
|
|
554 |
#ifdef DYNTRANS_VARIABLE_INSTRUCTION_LENGTH |
ppp->physaddr = physaddr & ~(DYNTRANS_PAGESIZE - 1); |
|
ppp->ics[DYNTRANS_IC_ENTRIES_PER_PAGE + 0].arg[0] = 0; |
|
|
#endif |
|
|
|
|
|
/* End-of-page-2, for delay-slot architectures: */ |
|
|
#ifdef DYNTRANS_DELAYSLOT |
|
|
ppp->ics[DYNTRANS_IC_ENTRIES_PER_PAGE + 1].f = |
|
|
#ifdef DYNTRANS_DUALMODE_32 |
|
|
cpu->is_32bit? instr32(end_of_page2) : |
|
|
#endif |
|
|
instr(end_of_page2); |
|
|
#endif |
|
555 |
|
|
556 |
cpu->translation_cache_cur_ofs += sizeof(struct DYNTRANS_TC_PHYSPAGE); |
cpu->translation_cache_cur_ofs += sizeof(struct DYNTRANS_TC_PHYSPAGE); |
557 |
|
|
558 |
cpu->translation_cache_cur_ofs --; |
cpu->translation_cache_cur_ofs --; |
559 |
cpu->translation_cache_cur_ofs |= 63; |
cpu->translation_cache_cur_ofs |= 127; |
560 |
cpu->translation_cache_cur_ofs ++; |
cpu->translation_cache_cur_ofs ++; |
561 |
} |
} |
562 |
#endif /* DYNTRANS_TC_ALLOCATE_DEFAULT_PAGE */ |
#endif /* DYNTRANS_TC_ALLOCATE_DEFAULT_PAGE */ |
619 |
|
|
620 |
if (!ok) { |
if (!ok) { |
621 |
uint64_t paddr; |
uint64_t paddr; |
622 |
if (cpu->translate_address != NULL) |
if (cpu->translate_v2p != NULL) { |
623 |
ok = cpu->translate_address(cpu, cached_pc, |
uint64_t vaddr = |
624 |
&paddr, FLAG_INSTR); |
#if defined(MODE32) && defined(DYNTRANS_MIPS) |
625 |
else { |
/* 32-bit MIPS is _sign_ extend, not zero. */ |
626 |
|
(int32_t) |
627 |
|
#endif |
628 |
|
cached_pc; |
629 |
|
ok = cpu->translate_v2p( |
630 |
|
cpu, vaddr, &paddr, FLAG_INSTR); |
631 |
|
} else { |
632 |
paddr = cached_pc; |
paddr = cached_pc; |
633 |
ok = 1; |
ok = 1; |
634 |
} |
} |
635 |
if (!ok) { |
if (!ok) { |
636 |
|
/* |
637 |
|
* The PC is now set to the exception handler. |
638 |
|
* Try to find the paddr in the translation arrays, |
639 |
|
* or if that fails, call translate_v2p for the |
640 |
|
* exception handler. |
641 |
|
*/ |
642 |
/* fatal("TODO: instruction vaddr=>paddr translation " |
/* fatal("TODO: instruction vaddr=>paddr translation " |
643 |
"failed. vaddr=0x%"PRIx64"\n", (uint64_t)cached_pc); |
"failed. vaddr=0x%"PRIx64"\n", (uint64_t)cached_pc); |
644 |
fatal("!! cpu->pc=0x%"PRIx64"\n", (uint64_t)cpu->pc); */ |
fatal("!! cpu->pc=0x%"PRIx64"\n", (uint64_t)cpu->pc); */ |
645 |
|
|
646 |
ok = cpu->translate_address(cpu, cpu->pc, &paddr, |
/* If there was an exception, the PC has changed. |
647 |
FLAG_INSTR); |
Update cached_pc: */ |
648 |
|
cached_pc = cpu->pc; |
649 |
|
|
650 |
|
#ifdef MODE32 |
651 |
|
index = DYNTRANS_ADDR_TO_PAGENR(cached_pc); |
652 |
|
if (cpu->cd.DYNTRANS_ARCH.host_load[index] != NULL) { |
653 |
|
paddr = cpu->cd.DYNTRANS_ARCH.phys_addr[index]; |
654 |
|
ok = 1; |
655 |
|
} |
656 |
|
#else |
657 |
|
x1 = (cached_pc >> (64-DYNTRANS_L1N)) & mask1; |
658 |
|
x2 = (cached_pc >> (64-DYNTRANS_L1N-DYNTRANS_L2N)) & mask2; |
659 |
|
x3 = (cached_pc >> (64-DYNTRANS_L1N-DYNTRANS_L2N-DYNTRANS_L3N)) |
660 |
|
& mask3; |
661 |
|
l2 = cpu->cd.DYNTRANS_ARCH.l1_64[x1]; |
662 |
|
l3 = l2->l3[x2]; |
663 |
|
if (l3->host_load[x3] != NULL) { |
664 |
|
paddr = l3->phys_addr[x3]; |
665 |
|
ok = 1; |
666 |
|
} |
667 |
|
#endif |
668 |
|
|
669 |
|
if (!ok) { |
670 |
|
ok = cpu->translate_v2p(cpu, cpu->pc, &paddr, |
671 |
|
FLAG_INSTR); |
672 |
|
} |
673 |
|
|
674 |
/* printf("EXCEPTION HANDLER: vaddr = 0x%x ==> " |
/* printf("EXCEPTION HANDLER: vaddr = 0x%x ==> " |
675 |
"paddr = 0x%x\n", (int)cpu->pc, (int)paddr); |
"paddr = 0x%x\n", (int)cpu->pc, (int)paddr); |
682 |
} |
} |
683 |
} |
} |
684 |
|
|
|
/* If there was an exception, the PC can have changed. |
|
|
Update cached_pc: */ |
|
|
cached_pc = cpu->pc; |
|
|
|
|
|
#ifdef MODE32 |
|
|
index = DYNTRANS_ADDR_TO_PAGENR(cached_pc); |
|
|
#else |
|
|
x1 = (cached_pc >> (64-DYNTRANS_L1N)) & mask1; |
|
|
x2 = (cached_pc >> (64-DYNTRANS_L1N-DYNTRANS_L2N)) & mask2; |
|
|
x3 = (cached_pc >> (64-DYNTRANS_L1N-DYNTRANS_L2N-DYNTRANS_L3N)) |
|
|
& mask3; |
|
|
#endif |
|
|
|
|
685 |
physaddr = paddr; |
physaddr = paddr; |
686 |
} |
} |
687 |
|
|
688 |
|
physaddr &= ~(DYNTRANS_PAGESIZE - 1); |
689 |
|
|
690 |
#ifdef MODE32 |
#ifdef MODE32 |
691 |
if (cpu->cd.DYNTRANS_ARCH.host_load[index] == NULL) { |
if (cpu->cd.DYNTRANS_ARCH.host_load[index] == NULL) { |
692 |
#else |
#else |
693 |
if (l3->host_load[x3] == NULL) { |
if (l3->host_load[x3] == NULL) { |
694 |
#endif |
#endif |
695 |
|
int q = DYNTRANS_PAGESIZE - 1; |
696 |
unsigned char *host_page = memory_paddr_to_hostaddr(cpu->mem, |
unsigned char *host_page = memory_paddr_to_hostaddr(cpu->mem, |
697 |
physaddr, MEM_READ); |
physaddr, MEM_READ); |
698 |
if (host_page != NULL) { |
if (host_page != NULL) { |
|
int q = DYNTRANS_PAGESIZE - 1; |
|
|
host_page += (physaddr & |
|
|
((1 << BITS_PER_MEMBLOCK) - 1) & ~q); |
|
699 |
cpu->update_translation_table(cpu, cached_pc & ~q, |
cpu->update_translation_table(cpu, cached_pc & ~q, |
700 |
host_page, TLB_CODE, physaddr & ~q); |
host_page, 0, physaddr); |
|
#ifndef MODE32 |
|
|
/* Recalculate l2 and l3, since they might have |
|
|
changed now: */ |
|
|
l2 = cpu->cd.DYNTRANS_ARCH.l1_64[x1]; |
|
|
l3 = l2->l3[x2]; |
|
|
#endif |
|
701 |
} |
} |
702 |
} |
} |
703 |
|
|
704 |
if (cpu->translation_cache_cur_ofs >= DYNTRANS_CACHE_SIZE) { |
if (cpu->translation_cache_cur_ofs >= DYNTRANS_CACHE_SIZE) { |
705 |
debug("[ dyntrans: resetting the translation cache ]\n"); |
#ifdef UNSTABLE_DEVEL |
706 |
|
fatal("[ dyntrans: resetting the translation cache ]\n"); |
707 |
|
#endif |
708 |
cpu_create_or_reset_tc(cpu); |
cpu_create_or_reset_tc(cpu); |
709 |
} |
} |
710 |
|
|
719 |
while (physpage_ofs != 0) { |
while (physpage_ofs != 0) { |
720 |
ppp = (struct DYNTRANS_TC_PHYSPAGE *)(cpu->translation_cache |
ppp = (struct DYNTRANS_TC_PHYSPAGE *)(cpu->translation_cache |
721 |
+ physpage_ofs); |
+ physpage_ofs); |
722 |
|
|
723 |
/* If we found the page in the cache, then we're done: */ |
/* If we found the page in the cache, then we're done: */ |
724 |
if (DYNTRANS_ADDR_TO_PAGENR(ppp->physaddr) == pagenr) |
if (ppp->physaddr == physaddr) |
725 |
break; |
break; |
726 |
|
|
727 |
/* Try the next page in the chain: */ |
/* Try the next page in the chain: */ |
728 |
physpage_ofs = ppp->next_ofs; |
physpage_ofs = ppp->next_ofs; |
729 |
} |
} |
753 |
l3->phys_page[x3] = ppp; |
l3->phys_page[x3] = ppp; |
754 |
#endif |
#endif |
755 |
|
|
756 |
#ifdef MODE32 |
/* |
757 |
/* Small optimization: only mark the physical page as non-writable |
* If there are no translations yet on this page, then mark it |
758 |
if it did not contain translations. (Because if it does contain |
* as non-writable. If there are already translations, then it |
759 |
translations, it is already non-writable.) */ |
* should already have been marked as non-writable. |
760 |
if (!cpu->cd.DYNTRANS_ARCH.phystranslation[pagenr >> 5] & |
*/ |
761 |
(1 << (pagenr & 31))) |
if (ppp->translations == 0) { |
762 |
#endif |
cpu->invalidate_translation_caches(cpu, physaddr, |
763 |
cpu->invalidate_translation_caches(cpu, physaddr, |
JUST_MARK_AS_NON_WRITABLE | INVALIDATE_PADDR); |
764 |
JUST_MARK_AS_NON_WRITABLE | INVALIDATE_PADDR); |
} |
765 |
|
|
766 |
cpu->cd.DYNTRANS_ARCH.cur_ic_page = &ppp->ics[0]; |
cpu->cd.DYNTRANS_ARCH.cur_ic_page = &ppp->ics[0]; |
767 |
|
|
838 |
|
|
839 |
|
|
840 |
|
|
841 |
#ifdef DYNTRANS_INIT_64BIT_DUMMY_TABLES |
#ifdef DYNTRANS_INIT_TABLES |
842 |
|
|
843 |
|
/* forward declaration of to_be_translated and end_of_page: */ |
844 |
|
static void instr(to_be_translated)(struct cpu *, struct DYNTRANS_IC *); |
845 |
|
static void instr(end_of_page)(struct cpu *,struct DYNTRANS_IC *); |
846 |
|
#ifdef DYNTRANS_DUALMODE_32 |
847 |
|
static void instr32(to_be_translated)(struct cpu *, struct DYNTRANS_IC *); |
848 |
|
static void instr32(end_of_page)(struct cpu *,struct DYNTRANS_IC *); |
849 |
|
#endif |
850 |
|
|
851 |
|
#ifdef DYNTRANS_DELAYSLOT |
852 |
|
static void instr(end_of_page2)(struct cpu *,struct DYNTRANS_IC *); |
853 |
|
#ifdef DYNTRANS_DUALMODE_32 |
854 |
|
static void instr32(end_of_page2)(struct cpu *,struct DYNTRANS_IC *); |
855 |
|
#endif |
856 |
|
#endif |
857 |
|
|
858 |
/* |
/* |
859 |
* XXX_init_64bit_dummy_tables(): |
* XXX_init_tables(): |
860 |
* |
* |
861 |
* Initializes 64-bit dummy tables and pointers. |
* Initializes the default translation page (for newly allocated pages), and |
862 |
|
* for 64-bit emulation it also initializes 64-bit dummy tables and pointers. |
863 |
*/ |
*/ |
864 |
void DYNTRANS_INIT_64BIT_DUMMY_TABLES(struct cpu *cpu) |
void DYNTRANS_INIT_TABLES(struct cpu *cpu) |
865 |
{ |
{ |
866 |
|
#ifndef MODE32 |
867 |
struct DYNTRANS_L2_64_TABLE *dummy_l2; |
struct DYNTRANS_L2_64_TABLE *dummy_l2; |
868 |
struct DYNTRANS_L3_64_TABLE *dummy_l3; |
struct DYNTRANS_L3_64_TABLE *dummy_l3; |
869 |
int x1, x2; |
int x1, x2; |
870 |
|
#endif |
871 |
|
int i; |
872 |
|
struct DYNTRANS_TC_PHYSPAGE *ppp = malloc(sizeof( |
873 |
|
struct DYNTRANS_TC_PHYSPAGE)); |
874 |
|
|
875 |
|
if (ppp == NULL) { |
876 |
|
fprintf(stderr, "out of memory\n"); |
877 |
|
exit(1); |
878 |
|
} |
879 |
|
|
880 |
|
ppp->next_ofs = 0; |
881 |
|
ppp->translations = 0; |
882 |
|
/* ppp->physaddr is filled in by the page allocator */ |
883 |
|
|
884 |
|
for (i=0; i<DYNTRANS_IC_ENTRIES_PER_PAGE; i++) { |
885 |
|
ppp->ics[i].f = |
886 |
|
#ifdef DYNTRANS_DUALMODE_32 |
887 |
|
cpu->is_32bit? instr32(to_be_translated) : |
888 |
|
#endif |
889 |
|
instr(to_be_translated); |
890 |
|
#ifdef DYNTRANS_VARIABLE_INSTRUCTION_LENGTH |
891 |
|
ppp->ics[i].arg[0] = 0; |
892 |
|
#endif |
893 |
|
} |
894 |
|
|
895 |
|
/* End-of-page: */ |
896 |
|
ppp->ics[DYNTRANS_IC_ENTRIES_PER_PAGE + 0].f = |
897 |
|
#ifdef DYNTRANS_DUALMODE_32 |
898 |
|
cpu->is_32bit? instr32(end_of_page) : |
899 |
|
#endif |
900 |
|
instr(end_of_page); |
901 |
|
|
902 |
|
#ifdef DYNTRANS_VARIABLE_INSTRUCTION_LENGTH |
903 |
|
ppp->ics[DYNTRANS_IC_ENTRIES_PER_PAGE + 0].arg[0] = 0; |
904 |
|
#endif |
905 |
|
|
906 |
|
/* End-of-page-2, for delay-slot architectures: */ |
907 |
|
#ifdef DYNTRANS_DELAYSLOT |
908 |
|
ppp->ics[DYNTRANS_IC_ENTRIES_PER_PAGE + 1].f = |
909 |
|
#ifdef DYNTRANS_DUALMODE_32 |
910 |
|
cpu->is_32bit? instr32(end_of_page2) : |
911 |
|
#endif |
912 |
|
instr(end_of_page2); |
913 |
|
#endif |
914 |
|
|
915 |
|
cpu->cd.DYNTRANS_ARCH.physpage_template = ppp; |
916 |
|
|
917 |
|
|
918 |
|
/* Prepare 64-bit virtual address translation tables: */ |
919 |
|
#ifndef MODE32 |
920 |
if (cpu->is_32bit) |
if (cpu->is_32bit) |
921 |
return; |
return; |
922 |
|
|
931 |
|
|
932 |
for (x2 = 0; x2 < (1 << DYNTRANS_L2N); x2 ++) |
for (x2 = 0; x2 < (1 << DYNTRANS_L2N); x2 ++) |
933 |
dummy_l2->l3[x2] = dummy_l3; |
dummy_l2->l3[x2] = dummy_l3; |
934 |
|
#endif |
935 |
} |
} |
936 |
#endif /* DYNTRANS_INIT_64BIT_DUMMY_TABLES */ |
#endif /* DYNTRANS_INIT_TABLES */ |
937 |
|
|
938 |
|
|
939 |
|
|
1000 |
l3->host_store[x3] = NULL; |
l3->host_store[x3] = NULL; |
1001 |
return; |
return; |
1002 |
} |
} |
1003 |
|
|
1004 |
|
#ifdef BUGHUNT |
1005 |
|
|
1006 |
|
{ |
1007 |
|
/* Consistency check, for debugging: */ |
1008 |
|
int x1, x1b; // x2, x3; |
1009 |
|
struct DYNTRANS_L2_64_TABLE *l2; |
1010 |
|
//struct DYNTRANS_L3_64_TABLE *l3; |
1011 |
|
|
1012 |
|
for (x1 = 0; x1 <= mask1; x1 ++) { |
1013 |
|
l2 = cpu->cd.DYNTRANS_ARCH.l1_64[x1]; |
1014 |
|
if (l2 == cpu->cd.DYNTRANS_ARCH.l2_64_dummy) |
1015 |
|
continue; |
1016 |
|
/* Make sure that this l2 isn't used more than 1 time! */ |
1017 |
|
for (x1b = 0; x1b <= mask1; x1b ++) |
1018 |
|
if (x1 != x1b && |
1019 |
|
l2 == cpu->cd.DYNTRANS_ARCH.l1_64[x1b]) { |
1020 |
|
fatal("L2 reuse: %p\n", l2); |
1021 |
|
exit(1); |
1022 |
|
} |
1023 |
|
} |
1024 |
|
} |
1025 |
|
|
1026 |
|
/* Count how many pages are actually in use: */ |
1027 |
|
{ |
1028 |
|
int n=0, i; |
1029 |
|
for (i=0; i<=mask3; i++) |
1030 |
|
if (l3->vaddr_to_tlbindex[i]) |
1031 |
|
n++; |
1032 |
|
if (n != l3->refcount) { |
1033 |
|
printf("Z: %i in use, but refcount = %i!\n", n, l3->refcount); |
1034 |
|
exit(1); |
1035 |
|
} |
1036 |
|
|
1037 |
|
n = 0; |
1038 |
|
for (i=0; i<=mask3; i++) |
1039 |
|
if (l3->host_load[i] != NULL) |
1040 |
|
n++; |
1041 |
|
if (n != l3->refcount) { |
1042 |
|
printf("ZHL: %i in use, but refcount = %i!\n", n, l3->refcount); |
1043 |
|
exit(1); |
1044 |
|
} |
1045 |
|
} |
1046 |
|
#endif |
1047 |
|
|
1048 |
l3->host_load[x3] = NULL; |
l3->host_load[x3] = NULL; |
1049 |
l3->host_store[x3] = NULL; |
l3->host_store[x3] = NULL; |
1050 |
l3->phys_addr[x3] = 0; |
l3->phys_addr[x3] = 0; |
1051 |
l3->phys_page[x3] = NULL; |
l3->phys_page[x3] = NULL; |
1052 |
l3->refcount --; |
if (l3->vaddr_to_tlbindex[x3] != 0) { |
1053 |
|
cpu->cd.DYNTRANS_ARCH.vph_tlb_entry[ |
1054 |
|
l3->vaddr_to_tlbindex[x3] - 1].valid = 0; |
1055 |
|
l3->refcount --; |
1056 |
|
} |
1057 |
|
l3->vaddr_to_tlbindex[x3] = 0; |
1058 |
|
|
1059 |
if (l3->refcount < 0) { |
if (l3->refcount < 0) { |
1060 |
fatal("xxx_invalidate_tlb_entry(): huh? Refcount bug.\n"); |
fatal("xxx_invalidate_tlb_entry(): huh? Refcount bug.\n"); |
1061 |
exit(1); |
exit(1); |
1062 |
} |
} |
1063 |
|
|
1064 |
if (l3->refcount == 0) { |
if (l3->refcount == 0) { |
1065 |
l3->next = cpu->cd.DYNTRANS_ARCH.next_free_l3; |
l3->next = cpu->cd.DYNTRANS_ARCH.next_free_l3; |
1066 |
cpu->cd.DYNTRANS_ARCH.next_free_l3 = l3; |
cpu->cd.DYNTRANS_ARCH.next_free_l3 = l3; |
1067 |
l2->l3[x2] = cpu->cd.DYNTRANS_ARCH.l3_64_dummy; |
l2->l3[x2] = cpu->cd.DYNTRANS_ARCH.l3_64_dummy; |
1068 |
|
|
1069 |
|
#ifdef BUGHUNT |
1070 |
|
/* Make sure that we're placing a CLEAN page on the |
1071 |
|
freelist: */ |
1072 |
|
{ |
1073 |
|
int i; |
1074 |
|
for (i=0; i<=mask3; i++) |
1075 |
|
if (l3->host_load[i] != NULL) { |
1076 |
|
fatal("TRYING TO RETURN A NON-CLEAN L3 PAGE!\n"); |
1077 |
|
exit(1); |
1078 |
|
} |
1079 |
|
} |
1080 |
|
#endif |
1081 |
l2->refcount --; |
l2->refcount --; |
1082 |
if (l2->refcount < 0) { |
if (l2->refcount < 0) { |
1083 |
fatal("xxx_invalidate_tlb_entry(): Refcount bug L2.\n"); |
fatal("xxx_invalidate_tlb_entry(): Refcount bug L2.\n"); |
1219 |
struct DYNTRANS_TC_PHYSPAGE *ppp, *prev_ppp; |
struct DYNTRANS_TC_PHYSPAGE *ppp, *prev_ppp; |
1220 |
|
|
1221 |
pagenr = DYNTRANS_ADDR_TO_PAGENR(addr); |
pagenr = DYNTRANS_ADDR_TO_PAGENR(addr); |
|
|
|
|
#ifdef MODE32 |
|
|
/* If this page isn't marked as having any translations, |
|
|
then return immediately. */ |
|
|
if (!(cpu->cd.DYNTRANS_ARCH.phystranslation[pagenr >> 5] |
|
|
& 1 << (pagenr & 31))) |
|
|
return; |
|
|
/* Remove the mark: */ |
|
|
cpu->cd.DYNTRANS_ARCH.phystranslation[pagenr >> 5] &= |
|
|
~ (1 << (pagenr & 31)); |
|
|
#endif |
|
|
|
|
1222 |
table_index = PAGENR_TO_TABLE_INDEX(pagenr); |
table_index = PAGENR_TO_TABLE_INDEX(pagenr); |
1223 |
|
|
1224 |
physpage_entryp = &(((uint32_t *)cpu-> |
physpage_entryp = &(((uint32_t *)cpu-> |
1231 |
prev_ppp = ppp; |
prev_ppp = ppp; |
1232 |
ppp = (struct DYNTRANS_TC_PHYSPAGE *) |
ppp = (struct DYNTRANS_TC_PHYSPAGE *) |
1233 |
(cpu->translation_cache + physpage_ofs); |
(cpu->translation_cache + physpage_ofs); |
1234 |
|
|
1235 |
/* If we found the page in the cache, |
/* If we found the page in the cache, |
1236 |
then we're done: */ |
then we're done: */ |
1237 |
if (ppp->physaddr == addr) |
if (ppp->physaddr == addr) |
1238 |
break; |
break; |
1239 |
|
|
1240 |
/* Try the next page in the chain: */ |
/* Try the next page in the chain: */ |
1241 |
physpage_ofs = ppp->next_ofs; |
physpage_ofs = ppp->next_ofs; |
1242 |
} |
} |
1244 |
if (physpage_ofs == 0) |
if (physpage_ofs == 0) |
1245 |
ppp = NULL; |
ppp = NULL; |
1246 |
|
|
1247 |
#if 1 |
#if 0 |
1248 |
/* |
/* |
1249 |
* "Bypass" the page, removing it from the code cache. |
* "Bypass" the page, removing it from the code cache. |
1250 |
* |
* |
1266 |
* it might be faster since we don't risk wasting cache |
* it might be faster since we don't risk wasting cache |
1267 |
* memory as quickly (which would force unnecessary Restarts). |
* memory as quickly (which would force unnecessary Restarts). |
1268 |
*/ |
*/ |
1269 |
if (ppp != NULL) { |
if (ppp != NULL && ppp->translations != 0) { |
1270 |
/* TODO: Is this faster than copying an entire |
uint32_t x = ppp->translations; /* TODO: |
1271 |
template page? */ |
urk Should be same type as ppp->translations */ |
1272 |
int i; |
int i, j, n, m; |
1273 |
for (i=0; i<DYNTRANS_IC_ENTRIES_PER_PAGE; i++) |
n = 8 * sizeof(x); |
1274 |
ppp->ics[i].f = |
m = DYNTRANS_IC_ENTRIES_PER_PAGE / n; |
1275 |
|
|
1276 |
|
for (i=0; i<n; i++) { |
1277 |
|
if (x & 1) { |
1278 |
|
for (j=0; j<m; j++) |
1279 |
|
ppp->ics[i*m + j].f = |
1280 |
#ifdef DYNTRANS_DUALMODE_32 |
#ifdef DYNTRANS_DUALMODE_32 |
1281 |
cpu->is_32bit? instr32(to_be_translated) : |
cpu->is_32bit? |
1282 |
|
instr32(to_be_translated) : |
1283 |
#endif |
#endif |
1284 |
instr(to_be_translated); |
instr(to_be_translated); |
1285 |
|
} |
1286 |
|
|
1287 |
|
x >>= 1; |
1288 |
|
} |
1289 |
|
|
1290 |
|
ppp->translations = 0; |
1291 |
} |
} |
1292 |
#endif |
#endif |
1293 |
} |
} |
1294 |
|
|
1295 |
/* Invalidate entries (NOTE: only code entries) in the VPH table: */ |
/* Invalidate entries in the VPH table: */ |
1296 |
for (r = DYNTRANS_MAX_VPH_TLB_ENTRIES/2; |
for (r = 0; r < DYNTRANS_MAX_VPH_TLB_ENTRIES; r ++) { |
|
r < DYNTRANS_MAX_VPH_TLB_ENTRIES; r ++) { |
|
1297 |
if (cpu->cd.DYNTRANS_ARCH.vph_tlb_entry[r].valid) { |
if (cpu->cd.DYNTRANS_ARCH.vph_tlb_entry[r].valid) { |
1298 |
vaddr_page = cpu->cd.DYNTRANS_ARCH.vph_tlb_entry[r] |
vaddr_page = cpu->cd.DYNTRANS_ARCH.vph_tlb_entry[r] |
1299 |
.vaddr_page & ~(DYNTRANS_PAGESIZE-1); |
.vaddr_page & ~(DYNTRANS_PAGESIZE-1); |
1307 |
uint32_t index = |
uint32_t index = |
1308 |
DYNTRANS_ADDR_TO_PAGENR(vaddr_page); |
DYNTRANS_ADDR_TO_PAGENR(vaddr_page); |
1309 |
cpu->cd.DYNTRANS_ARCH.phys_page[index] = NULL; |
cpu->cd.DYNTRANS_ARCH.phys_page[index] = NULL; |
|
/* Remove the mark: */ |
|
|
index = DYNTRANS_ADDR_TO_PAGENR(paddr_page); |
|
|
cpu->cd.DYNTRANS_ARCH.phystranslation[ |
|
|
index >> 5] &= ~ (1 << (index & 31)); |
|
1310 |
#else |
#else |
1311 |
const uint32_t mask1 = (1 << DYNTRANS_L1N) - 1; |
const uint32_t mask1 = (1 << DYNTRANS_L1N) - 1; |
1312 |
const uint32_t mask2 = (1 << DYNTRANS_L2N) - 1; |
const uint32_t mask2 = (1 << DYNTRANS_L2N) - 1; |
1341 |
void DYNTRANS_UPDATE_TRANSLATION_TABLE(struct cpu *cpu, uint64_t vaddr_page, |
void DYNTRANS_UPDATE_TRANSLATION_TABLE(struct cpu *cpu, uint64_t vaddr_page, |
1342 |
unsigned char *host_page, int writeflag, uint64_t paddr_page) |
unsigned char *host_page, int writeflag, uint64_t paddr_page) |
1343 |
{ |
{ |
1344 |
#ifndef MODE32 |
int found, r, lowest_index, useraccess = 0; |
|
int64_t lowest, highest = -1; |
|
|
#endif |
|
|
int found, r, lowest_index, start, end, useraccess = 0; |
|
1345 |
|
|
1346 |
#ifdef MODE32 |
#ifdef MODE32 |
1347 |
uint32_t index; |
uint32_t index; |
1357 |
uint32_t x1, x2, x3; |
uint32_t x1, x2, x3; |
1358 |
struct DYNTRANS_L2_64_TABLE *l2; |
struct DYNTRANS_L2_64_TABLE *l2; |
1359 |
struct DYNTRANS_L3_64_TABLE *l3; |
struct DYNTRANS_L3_64_TABLE *l3; |
1360 |
/* fatal("update_translation_table(): v=0x%"PRIx64", h=%p w=%i" |
|
1361 |
" p=0x%"PRIx64"\n", (uint64_t)vaddr_page, host_page, writeflag, |
/* fatal("update_translation_table(): v=0x%016"PRIx64", h=%p w=%i" |
1362 |
|
" p=0x%016"PRIx64"\n", (uint64_t)vaddr_page, host_page, writeflag, |
1363 |
(uint64_t)paddr_page); */ |
(uint64_t)paddr_page); */ |
1364 |
#endif |
#endif |
1365 |
|
|
1366 |
|
assert((vaddr_page & (DYNTRANS_PAGESIZE-1)) == 0); |
1367 |
|
assert((paddr_page & (DYNTRANS_PAGESIZE-1)) == 0); |
1368 |
|
|
1369 |
if (writeflag & MEMORY_USER_ACCESS) { |
if (writeflag & MEMORY_USER_ACCESS) { |
1370 |
writeflag &= ~MEMORY_USER_ACCESS; |
writeflag &= ~MEMORY_USER_ACCESS; |
1371 |
useraccess = 1; |
useraccess = 1; |
1372 |
} |
} |
1373 |
|
|
|
start = 0; end = DYNTRANS_MAX_VPH_TLB_ENTRIES / 2; |
|
|
#if 1 |
|
|
/* Half of the TLB used for data, half for code: */ |
|
|
if (writeflag & TLB_CODE) { |
|
|
writeflag &= ~TLB_CODE; |
|
|
start = end; end = DYNTRANS_MAX_VPH_TLB_ENTRIES; |
|
|
} |
|
|
#else |
|
|
/* Data and code entries are mixed. */ |
|
|
end = DYNTRANS_MAX_VPH_TLB_ENTRIES; |
|
|
#endif |
|
|
|
|
1374 |
/* Scan the current TLB entries: */ |
/* Scan the current TLB entries: */ |
1375 |
lowest_index = start; |
lowest_index = 0; |
1376 |
|
|
1377 |
#ifdef MODE32 |
#ifdef MODE32 |
1378 |
/* |
/* |
1385 |
*/ |
*/ |
1386 |
found = (int)cpu->cd.DYNTRANS_ARCH.vaddr_to_tlbindex[ |
found = (int)cpu->cd.DYNTRANS_ARCH.vaddr_to_tlbindex[ |
1387 |
DYNTRANS_ADDR_TO_PAGENR(vaddr_page)] - 1; |
DYNTRANS_ADDR_TO_PAGENR(vaddr_page)] - 1; |
|
if (found < 0) { |
|
|
static unsigned int x = 0; |
|
|
lowest_index = (x % (end-start)) + start; |
|
|
x ++; |
|
|
} |
|
1388 |
#else |
#else |
1389 |
lowest = cpu->cd.DYNTRANS_ARCH.vph_tlb_entry[0].timestamp; |
x1 = (vaddr_page >> (64-DYNTRANS_L1N)) & mask1; |
1390 |
found = -1; |
x2 = (vaddr_page >> (64-DYNTRANS_L1N-DYNTRANS_L2N)) & mask2; |
1391 |
for (r=start; r<end; r++) { |
x3 = (vaddr_page >> (64-DYNTRANS_L1N-DYNTRANS_L2N-DYNTRANS_L3N)) |
1392 |
if (cpu->cd.DYNTRANS_ARCH.vph_tlb_entry[r].timestamp < lowest) { |
& mask3; |
1393 |
lowest = cpu->cd.DYNTRANS_ARCH. |
|
1394 |
vph_tlb_entry[r].timestamp; |
l2 = cpu->cd.DYNTRANS_ARCH.l1_64[x1]; |
1395 |
lowest_index = r; |
if (l2 == cpu->cd.DYNTRANS_ARCH.l2_64_dummy) |
1396 |
} |
found = -1; |
1397 |
if (cpu->cd.DYNTRANS_ARCH.vph_tlb_entry[r].timestamp > highest) |
else { |
1398 |
highest = cpu->cd.DYNTRANS_ARCH. |
l3 = l2->l3[x2]; |
1399 |
vph_tlb_entry[r].timestamp; |
if (l3 == cpu->cd.DYNTRANS_ARCH.l3_64_dummy) |
1400 |
if (cpu->cd.DYNTRANS_ARCH.vph_tlb_entry[r].valid && |
found = -1; |
1401 |
cpu->cd.DYNTRANS_ARCH.vph_tlb_entry[r].vaddr_page == |
else |
1402 |
vaddr_page) { |
found = (int)l3->vaddr_to_tlbindex[x3] - 1; |
|
found = r; |
|
|
break; |
|
|
} |
|
1403 |
} |
} |
1404 |
#endif |
#endif |
1405 |
|
|
1406 |
if (found < 0) { |
if (found < 0) { |
1407 |
|
static unsigned int x = 0; |
1408 |
|
lowest_index = (x++) % DYNTRANS_MAX_VPH_TLB_ENTRIES; |
1409 |
|
} |
1410 |
|
|
1411 |
|
if (found < 0) { |
1412 |
/* Create the new TLB entry, overwriting the oldest one: */ |
/* Create the new TLB entry, overwriting the oldest one: */ |
1413 |
r = lowest_index; |
r = lowest_index; |
1414 |
if (cpu->cd.DYNTRANS_ARCH.vph_tlb_entry[r].valid) { |
if (cpu->cd.DYNTRANS_ARCH.vph_tlb_entry[r].valid) { |
1424 |
cpu->cd.DYNTRANS_ARCH.vph_tlb_entry[r].vaddr_page = vaddr_page; |
cpu->cd.DYNTRANS_ARCH.vph_tlb_entry[r].vaddr_page = vaddr_page; |
1425 |
cpu->cd.DYNTRANS_ARCH.vph_tlb_entry[r].writeflag = |
cpu->cd.DYNTRANS_ARCH.vph_tlb_entry[r].writeflag = |
1426 |
writeflag & MEM_WRITE; |
writeflag & MEM_WRITE; |
|
#ifndef MODE32 |
|
|
cpu->cd.DYNTRANS_ARCH.vph_tlb_entry[r].timestamp = highest + 1; |
|
|
#endif |
|
1427 |
|
|
1428 |
/* Add the new translation to the table: */ |
/* Add the new translation to the table: */ |
1429 |
#ifdef MODE32 |
#ifdef MODE32 |
1440 |
|= 1 << (index & 31); |
|= 1 << (index & 31); |
1441 |
#endif |
#endif |
1442 |
#else /* !MODE32 */ |
#else /* !MODE32 */ |
|
x1 = (vaddr_page >> (64-DYNTRANS_L1N)) & mask1; |
|
|
x2 = (vaddr_page >> (64-DYNTRANS_L1N-DYNTRANS_L2N)) & mask2; |
|
|
x3 = (vaddr_page >> (64-DYNTRANS_L1N-DYNTRANS_L2N-DYNTRANS_L3N)) |
|
|
& mask3; |
|
1443 |
l2 = cpu->cd.DYNTRANS_ARCH.l1_64[x1]; |
l2 = cpu->cd.DYNTRANS_ARCH.l1_64[x1]; |
1444 |
if (l2 == cpu->cd.DYNTRANS_ARCH.l2_64_dummy) { |
if (l2 == cpu->cd.DYNTRANS_ARCH.l2_64_dummy) { |
1445 |
if (cpu->cd.DYNTRANS_ARCH.next_free_l2 != NULL) { |
if (cpu->cd.DYNTRANS_ARCH.next_free_l2 != NULL) { |
1450 |
int i; |
int i; |
1451 |
l2 = cpu->cd.DYNTRANS_ARCH.l1_64[x1] = |
l2 = cpu->cd.DYNTRANS_ARCH.l1_64[x1] = |
1452 |
malloc(sizeof(struct DYNTRANS_L2_64_TABLE)); |
malloc(sizeof(struct DYNTRANS_L2_64_TABLE)); |
1453 |
|
l2->refcount = 0; |
1454 |
for (i=0; i<(1 << DYNTRANS_L2N); i++) |
for (i=0; i<(1 << DYNTRANS_L2N); i++) |
1455 |
l2->l3[i] = cpu->cd.DYNTRANS_ARCH. |
l2->l3[i] = cpu->cd.DYNTRANS_ARCH. |
1456 |
l3_64_dummy; |
l3_64_dummy; |
1457 |
} |
} |
1458 |
|
if (l2->refcount != 0) { |
1459 |
|
fatal("Huh? l2 Refcount problem.\n"); |
1460 |
|
exit(1); |
1461 |
|
} |
1462 |
|
} |
1463 |
|
if (l2 == cpu->cd.DYNTRANS_ARCH.l2_64_dummy) { |
1464 |
|
fatal("INTERNAL ERROR L2 reuse\n"); |
1465 |
|
exit(1); |
1466 |
} |
} |
1467 |
l3 = l2->l3[x2]; |
l3 = l2->l3[x2]; |
1468 |
if (l3 == cpu->cd.DYNTRANS_ARCH.l3_64_dummy) { |
if (l3 == cpu->cd.DYNTRANS_ARCH.l3_64_dummy) { |
1474 |
l3 = l2->l3[x2] = zeroed_alloc(sizeof( |
l3 = l2->l3[x2] = zeroed_alloc(sizeof( |
1475 |
struct DYNTRANS_L3_64_TABLE)); |
struct DYNTRANS_L3_64_TABLE)); |
1476 |
} |
} |
1477 |
|
if (l3->refcount != 0) { |
1478 |
|
fatal("Huh? l3 Refcount problem.\n"); |
1479 |
|
exit(1); |
1480 |
|
} |
1481 |
l2->refcount ++; |
l2->refcount ++; |
1482 |
} |
} |
1483 |
|
if (l3 == cpu->cd.DYNTRANS_ARCH.l3_64_dummy) { |
1484 |
|
fatal("INTERNAL ERROR L3 reuse\n"); |
1485 |
|
exit(1); |
1486 |
|
} |
1487 |
|
|
1488 |
l3->host_load[x3] = host_page; |
l3->host_load[x3] = host_page; |
1489 |
l3->host_store[x3] = writeflag? host_page : NULL; |
l3->host_store[x3] = writeflag? host_page : NULL; |
1490 |
l3->phys_addr[x3] = paddr_page; |
l3->phys_addr[x3] = paddr_page; |
1491 |
l3->phys_page[x3] = NULL; |
l3->phys_page[x3] = NULL; |
1492 |
l3->vaddr_to_tlbindex[x3] = r + 1; |
l3->vaddr_to_tlbindex[x3] = r + 1; |
1493 |
l3->refcount ++; |
l3->refcount ++; |
1494 |
|
|
1495 |
|
#ifdef BUGHUNT |
1496 |
|
/* Count how many pages are actually in use: */ |
1497 |
|
{ |
1498 |
|
int n=0, i; |
1499 |
|
for (i=0; i<=mask3; i++) |
1500 |
|
if (l3->vaddr_to_tlbindex[i]) |
1501 |
|
n++; |
1502 |
|
if (n != l3->refcount) { |
1503 |
|
printf("X: %i in use, but refcount = %i!\n", n, l3->refcount); |
1504 |
|
exit(1); |
1505 |
|
} |
1506 |
|
|
1507 |
|
n = 0; |
1508 |
|
for (i=0; i<=mask3; i++) |
1509 |
|
if (l3->host_load[i] != NULL) |
1510 |
|
n++; |
1511 |
|
if (n != l3->refcount) { |
1512 |
|
printf("XHL: %i in use, but refcount = %i!\n", n, l3->refcount); |
1513 |
|
exit(1); |
1514 |
|
} |
1515 |
|
} |
1516 |
|
#endif |
1517 |
|
|
1518 |
#endif /* !MODE32 */ |
#endif /* !MODE32 */ |
1519 |
} else { |
} else { |
1520 |
/* |
/* |
1524 |
* Writeflag = MEM_DOWNGRADE: Downgrade to readonly. |
* Writeflag = MEM_DOWNGRADE: Downgrade to readonly. |
1525 |
*/ |
*/ |
1526 |
r = found; |
r = found; |
|
#ifndef MODE32 |
|
|
cpu->cd.DYNTRANS_ARCH.vph_tlb_entry[r].timestamp = highest + 1; |
|
|
#endif |
|
1527 |
if (writeflag & MEM_WRITE) |
if (writeflag & MEM_WRITE) |
1528 |
cpu->cd.DYNTRANS_ARCH.vph_tlb_entry[r].writeflag = 1; |
cpu->cd.DYNTRANS_ARCH.vph_tlb_entry[r].writeflag = 1; |
1529 |
if (writeflag & MEM_DOWNGRADE) |
if (writeflag & MEM_DOWNGRADE) |
1564 |
l3->host_store[x3] = NULL; |
l3->host_store[x3] = NULL; |
1565 |
} else { |
} else { |
1566 |
/* Change the entire physical/host mapping: */ |
/* Change the entire physical/host mapping: */ |
1567 |
|
printf("HOST LOAD 2 set to %p\n", host_page); |
1568 |
l3->host_load[x3] = host_page; |
l3->host_load[x3] = host_page; |
1569 |
l3->host_store[x3] = writeflag? host_page : NULL; |
l3->host_store[x3] = writeflag? host_page : NULL; |
1570 |
l3->phys_addr[x3] = paddr_page; |
l3->phys_addr[x3] = paddr_page; |
1571 |
} |
} |
1572 |
|
|
1573 |
|
#ifdef BUGHUNT |
1574 |
|
/* Count how many pages are actually in use: */ |
1575 |
|
{ |
1576 |
|
int n=0, i; |
1577 |
|
for (i=0; i<=mask3; i++) |
1578 |
|
if (l3->vaddr_to_tlbindex[i]) |
1579 |
|
n++; |
1580 |
|
if (n != l3->refcount) { |
1581 |
|
printf("Y: %i in use, but refcount = %i!\n", n, l3->refcount); |
1582 |
|
exit(1); |
1583 |
|
} |
1584 |
|
|
1585 |
|
n = 0; |
1586 |
|
for (i=0; i<=mask3; i++) |
1587 |
|
if (l3->host_load[i] != NULL) |
1588 |
|
n++; |
1589 |
|
if (n != l3->refcount) { |
1590 |
|
printf("YHL: %i in use, but refcount = %i!\n", n, l3->refcount); |
1591 |
|
printf("Entry r = %i\n", r); |
1592 |
|
printf("Valid = %i\n", |
1593 |
|
cpu->cd.DYNTRANS_ARCH.vph_tlb_entry[r].valid); |
1594 |
|
exit(1); |
1595 |
|
} |
1596 |
|
} |
1597 |
|
#endif |
1598 |
|
|
1599 |
#endif /* !MODE32 */ |
#endif /* !MODE32 */ |
1600 |
} |
} |
1601 |
} |
} |
1630 |
" slot! Not yet supported.\n"); |
" slot! Not yet supported.\n"); |
1631 |
#endif |
#endif |
1632 |
single_step_breakpoint = 1; |
single_step_breakpoint = 1; |
1633 |
single_step = 1; |
single_step = ENTER_SINGLE_STEPPING; |
1634 |
goto stop_running_translated; |
goto stop_running_translated; |
1635 |
} |
} |
1636 |
} |
} |
1642 |
|
|
1643 |
#ifdef DYNTRANS_TO_BE_TRANSLATED_TAIL |
#ifdef DYNTRANS_TO_BE_TRANSLATED_TAIL |
1644 |
/* |
/* |
1645 |
* If we end up here, then an instruction was translated. |
* If we end up here, then an instruction was translated. Let's mark |
1646 |
* Mark the page as containing a translation. |
* the page as containing a translation at this part of the page. |
|
* |
|
|
* (Special case for 32-bit mode: set the corresponding bit in the |
|
|
* phystranslation[] array.) |
|
1647 |
*/ |
*/ |
1648 |
|
|
1649 |
/* Make sure cur_physpage is in synch: */ |
/* Make sure cur_physpage is in synch: */ |
1650 |
cpu->cd.DYNTRANS_ARCH.cur_physpage = (void *) |
cpu->cd.DYNTRANS_ARCH.cur_physpage = (void *) |
1651 |
cpu->cd.DYNTRANS_ARCH.cur_ic_page; |
cpu->cd.DYNTRANS_ARCH.cur_ic_page; |
|
#ifdef MODE32 |
|
|
if (!(cpu->cd.DYNTRANS_ARCH.cur_physpage->flags & TRANSLATIONS)) { |
|
|
uint32_t index = DYNTRANS_ADDR_TO_PAGENR((uint32_t)addr); |
|
|
cpu->cd.DYNTRANS_ARCH.phystranslation[index >> 5] |= |
|
|
(1 << (index & 31)); |
|
|
} |
|
|
#endif |
|
|
cpu->cd.DYNTRANS_ARCH.cur_physpage->flags |= TRANSLATIONS; |
|
1652 |
|
|
1653 |
|
{ |
1654 |
|
int x = addr & (DYNTRANS_PAGESIZE - 1); |
1655 |
|
int addr_per_translation_range = DYNTRANS_PAGESIZE / (8 * |
1656 |
|
sizeof(cpu->cd.DYNTRANS_ARCH.cur_physpage->translations)); |
1657 |
|
x /= addr_per_translation_range; |
1658 |
|
|
1659 |
|
cpu->cd.DYNTRANS_ARCH.cur_physpage->translations |= (1 << x); |
1660 |
|
} |
1661 |
|
|
1662 |
/* |
/* |
1663 |
* Now it is time to check for combinations of instructions that can |
* Now it is time to check for combinations of instructions that can |
1672 |
#ifdef DYNTRANS_DELAYSLOT |
#ifdef DYNTRANS_DELAYSLOT |
1673 |
&& !in_crosspage_delayslot |
&& !in_crosspage_delayslot |
1674 |
#endif |
#endif |
1675 |
) { |
&& cpu->cd.DYNTRANS_ARCH.combination_check != NULL |
1676 |
if (cpu->cd.DYNTRANS_ARCH.combination_check != NULL && |
&& cpu->machine->allow_instruction_combinations) { |
1677 |
cpu->machine->speed_tricks) |
cpu->cd.DYNTRANS_ARCH.combination_check(cpu, ic, |
1678 |
cpu->cd.DYNTRANS_ARCH.combination_check(cpu, ic, |
addr & (DYNTRANS_PAGESIZE - 1)); |
|
addr & (DYNTRANS_PAGESIZE - 1)); |
|
1679 |
} |
} |
1680 |
|
|
1681 |
cpu->cd.DYNTRANS_ARCH.combination_check = NULL; |
cpu->cd.DYNTRANS_ARCH.combination_check = NULL; |
1755 |
} |
} |
1756 |
|
|
1757 |
cpu->running = 0; |
cpu->running = 0; |
1758 |
cpu->dead = 1; |
|
1759 |
|
/* Note: Single-stepping can jump here. */ |
1760 |
stop_running_translated: |
stop_running_translated: |
1761 |
|
|
1762 |
debugger_n_steps_left_before_interaction = 0; |
debugger_n_steps_left_before_interaction = 0; |
1763 |
cpu->running_translated = 0; |
|
1764 |
ic = cpu->cd.DYNTRANS_ARCH.next_ic = ¬hing_call; |
ic = cpu->cd.DYNTRANS_ARCH.next_ic = ¬hing_call; |
1765 |
cpu->cd.DYNTRANS_ARCH.next_ic ++; |
cpu->cd.DYNTRANS_ARCH.next_ic ++; |
1766 |
|
|
1767 |
/* Execute the "nothing" instruction: */ |
/* Execute the "nothing" instruction: */ |
1768 |
ic->f(cpu, ic); |
ic->f(cpu, ic); |
1769 |
|
|
1770 |
#endif /* DYNTRANS_TO_BE_TRANSLATED_TAIL */ |
#endif /* DYNTRANS_TO_BE_TRANSLATED_TAIL */ |
1771 |
|
|