diff options
Diffstat (limited to 'target-mips/op_helper.c')
| -rw-r--r-- | target-mips/op_helper.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/target-mips/op_helper.c b/target-mips/op_helper.c index da882b8f35..dcadd031ed 100644 --- a/target-mips/op_helper.c +++ b/target-mips/op_helper.c @@ -1572,13 +1572,17 @@ static void r4k_fill_tlb (int idx) void r4k_do_tlbwi (void) { + int idx; + + idx = (env->CP0_Index & ~0x80000000) % env->tlb->nb_tlb; + /* Discard cached TLB entries. We could avoid doing this if the tlbwi is just upgrading access permissions on the current entry; that might be a further win. */ r4k_mips_tlb_flush_extra (env, env->tlb->nb_tlb); - r4k_invalidate_tlb(env, env->CP0_Index % env->tlb->nb_tlb, 0); - r4k_fill_tlb(env->CP0_Index % env->tlb->nb_tlb); + r4k_invalidate_tlb(env, idx, 0); + r4k_fill_tlb(idx); } void r4k_do_tlbwr (void) @@ -1635,9 +1639,11 @@ void r4k_do_tlbr (void) { r4k_tlb_t *tlb; uint8_t ASID; + int idx; ASID = env->CP0_EntryHi & 0xFF; - tlb = &env->tlb->mmu.r4k.tlb[env->CP0_Index % env->tlb->nb_tlb]; + idx = (env->CP0_Index & ~0x80000000) % env->tlb->nb_tlb; + tlb = &env->tlb->mmu.r4k.tlb[idx]; /* If this will change the current ASID, flush qemu's TLB. */ if (ASID != tlb->ASID) |