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[Qemu-devel] [PULL 2/2] target-mips: fix EntryHi.EHINV being cleared on
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From: |
Leon Alrae |
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Subject: |
[Qemu-devel] [PULL 2/2] target-mips: fix EntryHi.EHINV being cleared on TLB exception |
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Date: |
Fri, 29 Jul 2016 10:11:12 +0100 |
While implementing TLB invalidation feature we forgot to modify
part of code responsible for updating EntryHi during TLB exception.
Consequently EntryHi.EHINV is unexpectedly cleared on the exception.
Signed-off-by: Leon Alrae <address@hidden>
---
target-mips/helper.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/target-mips/helper.c b/target-mips/helper.c
index 9fbca26..c864b15 100644
--- a/target-mips/helper.c
+++ b/target-mips/helper.c
@@ -396,6 +396,7 @@ static void raise_mmu_exception(CPUMIPSState *env,
target_ulong address,
env->CP0_Context = (env->CP0_Context & ~0x007fffff) |
((address >> 9) & 0x007ffff0);
env->CP0_EntryHi = (env->CP0_EntryHi & env->CP0_EntryHi_ASID_mask) |
+ (env->CP0_EntryHi & (1 << CP0EnHi_EHINV)) |
(address & (TARGET_PAGE_MASK << 1));
#if defined(TARGET_MIPS64)
env->CP0_EntryHi &= env->SEGMask;
--
2.7.4