378 |
378 |
{
|
379 |
379 |
uint64_t mask;
|
380 |
380 |
|
381 |
|
switch ((tlb->tte >> 61) & 3) {
|
|
381 |
switch (TTE_PGSIZE(tlb->tte)) {
|
382 |
382 |
default:
|
383 |
383 |
case 0x0: // 8k
|
384 |
384 |
mask = 0xffffffffffffe000ULL;
|
... | ... | |
445 |
445 |
uint8_t fault_type = 0;
|
446 |
446 |
|
447 |
447 |
// access ok?
|
448 |
|
if ((env->dtlb[i].tte & 0x4) && is_user) {
|
|
448 |
if (TTE_IS_PRIV(env->dtlb[i].tte) && is_user) {
|
449 |
449 |
fault_type |= 1; /* privilege violation */
|
450 |
450 |
env->exception_index = TT_DFAULT;
|
451 |
451 |
|
452 |
452 |
DPRINTF_MMU("DFAULT at %" PRIx64 " context %" PRIx64
|
453 |
453 |
" mmu_idx=%d tl=%d\n",
|
454 |
454 |
address, context, mmu_idx, env->tl);
|
455 |
|
} else if (!(env->dtlb[i].tte & 0x2) && (rw == 1)) {
|
|
455 |
} else if (!TTE_IS_W_OK(env->dtlb[i].tte) && (rw == 1)) {
|
456 |
456 |
env->exception_index = TT_DPROT;
|
457 |
457 |
|
458 |
458 |
DPRINTF_MMU("DPROT at %" PRIx64 " context %" PRIx64
|
... | ... | |
460 |
460 |
address, context, mmu_idx, env->tl);
|
461 |
461 |
} else {
|
462 |
462 |
*prot = PAGE_READ;
|
463 |
|
if (env->dtlb[i].tte & 0x2)
|
|
463 |
if (TTE_IS_W_OK(env->dtlb[i].tte)) {
|
464 |
464 |
*prot |= PAGE_WRITE;
|
|
465 |
}
|
465 |
466 |
|
466 |
467 |
TTE_SET_USED(env->dtlb[i].tte);
|
467 |
468 |
|
... | ... | |
522 |
523 |
if (ultrasparc_tag_match(&env->itlb[i],
|
523 |
524 |
address, context, physical)) {
|
524 |
525 |
// access ok?
|
525 |
|
if ((env->itlb[i].tte & 0x4) && is_user) {
|
|
526 |
if (TTE_IS_PRIV(env->itlb[i].tte) && is_user) {
|
526 |
527 |
if (env->immu.sfsr) /* Fault status register */
|
527 |
528 |
env->immu.sfsr = 2; /* overflow (not read before
|
528 |
529 |
another fault) */
|
... | ... | |
632 |
633 |
} else {
|
633 |
634 |
(*cpu_fprintf)(f, "DMMU dump\n");
|
634 |
635 |
for (i = 0; i < 64; i++) {
|
635 |
|
switch ((env->dtlb[i].tte >> 61) & 3) {
|
|
636 |
switch (TTE_PGSIZE(env->dtlb[i].tte)) {
|
636 |
637 |
default:
|
637 |
638 |
case 0x0:
|
638 |
639 |
mask = " 8k";
|
... | ... | |
647 |
648 |
mask = " 4M";
|
648 |
649 |
break;
|
649 |
650 |
}
|
650 |
|
if ((env->dtlb[i].tte & 0x8000000000000000ULL) != 0) {
|
|
651 |
if (TTE_IS_VALID(env->dtlb[i].tte)) {
|
651 |
652 |
(*cpu_fprintf)(f, "[%02u] VA: %" PRIx64 ", PA: %" PRIx64
|
652 |
653 |
", %s, %s, %s, %s, ctx %" PRId64 " %s\n",
|
653 |
654 |
i,
|
654 |
655 |
env->dtlb[i].tag & (uint64_t)~0x1fffULL,
|
655 |
|
env->dtlb[i].tte & (uint64_t)0x1ffffffe000ULL,
|
|
656 |
TTE_PA(env->dtlb[i].tte),
|
656 |
657 |
mask,
|
657 |
|
env->dtlb[i].tte & 0x4? "priv": "user",
|
658 |
|
env->dtlb[i].tte & 0x2? "RW": "RO",
|
659 |
|
env->dtlb[i].tte & 0x40? "locked": "unlocked",
|
|
658 |
TTE_IS_PRIV(env->dtlb[i].tte) ? "priv" : "user",
|
|
659 |
TTE_IS_W_OK(env->dtlb[i].tte) ? "RW" : "RO",
|
|
660 |
TTE_IS_LOCKED(env->dtlb[i].tte) ?
|
|
661 |
"locked" : "unlocked",
|
660 |
662 |
env->dtlb[i].tag & (uint64_t)0x1fffULL,
|
661 |
663 |
TTE_IS_GLOBAL(env->dtlb[i].tte)?
|
662 |
664 |
"global" : "local");
|
... | ... | |
668 |
670 |
} else {
|
669 |
671 |
(*cpu_fprintf)(f, "IMMU dump\n");
|
670 |
672 |
for (i = 0; i < 64; i++) {
|
671 |
|
switch ((env->itlb[i].tte >> 61) & 3) {
|
|
673 |
switch (TTE_PGSIZE(env->itlb[i].tte)) {
|
672 |
674 |
default:
|
673 |
675 |
case 0x0:
|
674 |
676 |
mask = " 8k";
|
... | ... | |
683 |
685 |
mask = " 4M";
|
684 |
686 |
break;
|
685 |
687 |
}
|
686 |
|
if ((env->itlb[i].tte & 0x8000000000000000ULL) != 0) {
|
|
688 |
if (TTE_IS_VALID(env->itlb[i].tte)) {
|
687 |
689 |
(*cpu_fprintf)(f, "[%02u] VA: %" PRIx64 ", PA: %" PRIx64
|
688 |
690 |
", %s, %s, %s, ctx %" PRId64 " %s\n",
|
689 |
691 |
i,
|
690 |
692 |
env->itlb[i].tag & (uint64_t)~0x1fffULL,
|
691 |
|
env->itlb[i].tte & (uint64_t)0x1ffffffe000ULL,
|
|
693 |
TTE_PA(env->itlb[i].tte),
|
692 |
694 |
mask,
|
693 |
|
env->itlb[i].tte & 0x4? "priv": "user",
|
694 |
|
env->itlb[i].tte & 0x40? "locked": "unlocked",
|
|
695 |
TTE_IS_PRIV(env->itlb[i].tte) ? "priv" : "user",
|
|
696 |
TTE_IS_LOCKED(env->itlb[i].tte) ?
|
|
697 |
"locked" : "unlocked",
|
695 |
698 |
env->itlb[i].tag & (uint64_t)0x1fffULL,
|
696 |
699 |
TTE_IS_GLOBAL(env->itlb[i].tte)?
|
697 |
700 |
"global" : "local");
|