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-rw-r--r--target/mips/cpu.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/target/mips/cpu.c b/target/mips/cpu.c
index e997c1b9cb..7a565466cb 100644
--- a/target/mips/cpu.c
+++ b/target/mips/cpu.c
@@ -302,6 +302,12 @@ static void mips_cpu_reset(DeviceState *dev)
env->CP0_EntryHi_ASID_mask = (env->CP0_Config5 & (1 << CP0C5_MI)) ?
0x0 : (env->CP0_Config4 & (1 << CP0C4_AE)) ? 0x3ff : 0xff;
env->CP0_Status = (1 << CP0St_BEV) | (1 << CP0St_ERL);
+ if (env->insn_flags & INSN_LOONGSON2F) {
+ /* Loongson-2F has those bits hardcoded to 1 */
+ env->CP0_Status |= (1 << CP0St_KX) | (1 << CP0St_SX) |
+ (1 << CP0St_UX);
+ }
+
/*
* Vectored interrupts not implemented, timer on int 7,
* no performance counters.