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-rw-r--r--target-mips/op.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/target-mips/op.c b/target-mips/op.c
index 66e27e2..715c355 100644
--- a/target-mips/op.c
+++ b/target-mips/op.c
@@ -1328,7 +1328,7 @@ void op_mtc0_entryhi (void)
/* 1k pages not implemented */
val = T0 & ((TARGET_PAGE_MASK << 1) | 0xFF);
#ifdef TARGET_MIPS64
- val = T0 & 0xC00000FFFFFFFFFFULL;
+ val &= env->SEGMask;
#endif
old = env->CP0_EntryHi;
env->CP0_EntryHi = val;
@@ -1526,7 +1526,8 @@ void op_mtc0_desave (void)
#ifdef TARGET_MIPS64
void op_mtc0_xcontext (void)
{
- env->CP0_XContext = (env->CP0_XContext & 0x1ffffffffULL) | (T0 & ~0x1ffffffffULL);
+ target_ulong mask = (1ULL << (env->SEGBITS - 7)) - 1;
+ env->CP0_XContext = (env->CP0_XContext & mask) | (T0 & ~mask);
RETURN();
}