diff options
Diffstat (limited to 'target-mips/cpu.h')
| -rw-r--r-- | target-mips/cpu.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/target-mips/cpu.h b/target-mips/cpu.h index 3799d26d22..c68681dec8 100644 --- a/target-mips/cpu.h +++ b/target-mips/cpu.h @@ -1001,7 +1001,12 @@ static inline void cpu_mips_store_status(CPUMIPSState *env, target_ulong val) if (env->insn_flags & ISA_MIPS32R6) { bool has_supervisor = extract32(mask, CP0St_KSU, 2) == 0x3; - +#if defined(TARGET_MIPS64) + uint32_t ksux = (1 << CP0St_KX) & val; + ksux |= (ksux >> 1) & val; /* KX = 0 forces SX to be 0 */ + ksux |= (ksux >> 1) & val; /* SX = 0 forces UX to be 0 */ + val = (val & ~(7 << CP0St_UX)) | ksux; +#endif if (has_supervisor && extract32(val, CP0St_KSU, 2) == 0x3) { mask &= ~(3 << CP0St_KSU); } |