diff options
| author | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-02-18 00:19:08 +0000 |
|---|---|---|
| committer | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-02-18 00:19:08 +0000 |
| commit | 925fd0f202e430fc18e1e4986cc066ea44504c9e (patch) | |
| tree | b699d9187dc528f44c28bcf92d9ceb5fee4908fc /target-mips | |
| parent | 70705261e1c9762b149a2180e60b974ea9a5c2f0 (diff) | |
Fix sign-extension of VPN field in TLB, by Herve Poussineau.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2433 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-mips')
| -rw-r--r-- | target-mips/helper.c | 2 | ||||
| -rw-r--r-- | target-mips/op.c | 2 | ||||
| -rw-r--r-- | target-mips/op_helper.c | 2 |
3 files changed, 3 insertions, 3 deletions
diff --git a/target-mips/helper.c b/target-mips/helper.c index d2d7a9f871..51b8ca102c 100644 --- a/target-mips/helper.c +++ b/target-mips/helper.c @@ -41,12 +41,12 @@ enum { static int map_address (CPUState *env, target_ulong *physical, int *prot, target_ulong address, int rw, int access_type) { + uint8_t ASID = env->CP0_EntryHi & 0xFF; int i; for (i = 0; i < env->tlb_in_use; i++) { tlb_t *tlb = &env->tlb[i]; /* 1k pages are not supported. */ - uint8_t ASID = env->CP0_EntryHi & 0xFF; target_ulong mask = tlb->PageMask | 0x1FFF; target_ulong tag = address & ~mask; int n; diff --git a/target-mips/op.c b/target-mips/op.c index cd5c69ca46..34c17c1ab5 100644 --- a/target-mips/op.c +++ b/target-mips/op.c @@ -1340,7 +1340,7 @@ void op_mtc0_entryhi (void) /* 1k pages not implemented */ /* Ignore MIPS64 TLB for now */ - val = (int32_t)T0 & 0xFFFFE0FF; + val = (target_ulong)(int32_t)T0 & ~(target_ulong)0x1F00; old = env->CP0_EntryHi; env->CP0_EntryHi = val; /* If the ASID changes, flush qemu's TLB. */ diff --git a/target-mips/op_helper.c b/target-mips/op_helper.c index 9596d04fb6..1b8d9351a9 100644 --- a/target-mips/op_helper.c +++ b/target-mips/op_helper.c @@ -395,7 +395,7 @@ static void fill_tlb (int idx) /* XXX: detect conflicting TLBs and raise a MCHECK exception when needed */ tlb = &env->tlb[idx]; - tlb->VPN = env->CP0_EntryHi & (int32_t)0xFFFFE000; + tlb->VPN = env->CP0_EntryHi & ~(target_ulong)0x1FFF; tlb->ASID = env->CP0_EntryHi & 0xFF; tlb->PageMask = env->CP0_PageMask; tlb->G = env->CP0_EntryLo0 & env->CP0_EntryLo1 & 1; |