Correct updating XContext.Region field on mmu exceptions.
If Config3.CTXTC = 0 then the R filed of XContext has to be updated
with the value of bits 63..62 of the virtual address upon a TLB
exception.
Signed-off-by: Yongbok Kim <yongbok....@imgtec.com>
---
target-mips/helper.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/target-mips/helper.c b/target-mips/helper.c
index 01c4461..8ffc990 100644
--- a/target-mips/helper.c
+++ b/target-mips/helper.c
@@ -294,7 +294,7 @@ static void raise_mmu_exception(CPUMIPSState *env,
target_ulong address,
#if defined(TARGET_MIPS64)
env->CP0_EntryHi &= env->SEGMask;
env->CP0_XContext = (env->CP0_XContext & ((~0ULL) << (env->SEGBITS - 7))) |
- ((address & 0xC00000000000ULL) >> (55 - env->SEGBITS))
|
+ (((address >> 62) & 0x3) << (env->SEGBITS - 9)) |
((address & ((1ULL << env->SEGBITS) - 1) &
0xFFFFFFFFFFFFE000ULL) >> 9);
#endif
cs->exception_index = exception;
--
1.7.1
