tlb = &env->tlb[i];
/* Check ASID, virtual page number & size */
if ((tlb->G == 1 || tlb->ASID == ASID) &&
- tlb->VPN == tag && address < tlb->end2) {
+ tlb->VPN == tag) {
/* TLB match */
n = (address >> TARGET_PAGE_BITS) & 1;
/* Check access rights */
void invalidate_tlb (CPUState *env, int idx, int use_extra)
{
tlb_t *tlb;
- target_ulong addr;
uint8_t ASID;
ASID = env->CP0_EntryHi & 0xFF;
return;
}
- if (tlb->V0) {
- addr = tlb->VPN;
- while (addr < tlb->end) {
- tlb_flush_page (env, addr);
- addr += TARGET_PAGE_SIZE;
- }
- }
- if (tlb->V1) {
- addr = tlb->end;
- while (addr < tlb->end2) {
- tlb_flush_page (env, addr);
- addr += TARGET_PAGE_SIZE;
- }
- }
+ if (tlb->V0)
+ tlb_flush_page (env, tlb->VPN);
+ if (tlb->V1)
+ tlb_flush_page (env, tlb->VPN + TARGET_PAGE_SIZE);
}
-
static void fill_tlb (int idx)
{
tlb_t *tlb;
- int size;
/* XXX: detect conflicting TLBs and raise a MCHECK exception when needed */
tlb = &env->tlb[idx];
tlb->VPN = env->CP0_EntryHi & (int32_t)0xFFFFE000;
tlb->ASID = env->CP0_EntryHi & 0xFF;
- size = env->CP0_PageMask >> 13;
- size = 4 * (size + 1);
- tlb->end = tlb->VPN + (1 << (8 + size));
- tlb->end2 = tlb->end + (1 << (8 + size));
tlb->G = env->CP0_EntryLo0 & env->CP0_EntryLo1 & 1;
tlb->V0 = (env->CP0_EntryLo0 & 2) != 0;
tlb->D0 = (env->CP0_EntryLo0 & 4) != 0;
{
tlb_t *tlb;
uint8_t ASID;
- int size;
ASID = env->CP0_EntryHi & 0xFF;
tlb = &env->tlb[env->CP0_index & (MIPS_TLB_NB - 1)];
mips_tlb_flush_extra(env, MIPS_TLB_NB);
env->CP0_EntryHi = tlb->VPN | tlb->ASID;
- size = (tlb->end - tlb->VPN) >> 12;
- env->CP0_PageMask = (size - 1) << 13;
env->CP0_EntryLo0 = tlb->G | (tlb->V0 << 1) | (tlb->D0 << 2) |
(tlb->C0 << 3) | (tlb->PFN[0] >> 6);
env->CP0_EntryLo1 = tlb->G | (tlb->V1 << 1) | (tlb->D1 << 2) |