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-rw-r--r--target-mips/cpu.h1
-rw-r--r--target-mips/translate.c3
2 files changed, 3 insertions, 1 deletions
diff --git a/target-mips/cpu.h b/target-mips/cpu.h
index 3e233ad639..2c4583931c 100644
--- a/target-mips/cpu.h
+++ b/target-mips/cpu.h
@@ -468,6 +468,7 @@ struct CPUMIPSState {
int32_t CP0_Config4_rw_bitmask;
#define CP0C4_M 31
#define CP0C4_IE 29
+#define CP0C4_AE 28
#define CP0C4_KScrExist 16
#define CP0C4_MMUExtDef 14
#define CP0C4_FTLBPageSize 8
diff --git a/target-mips/translate.c b/target-mips/translate.c
index 01510b38b1..bab52cb254 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -20302,7 +20302,8 @@ void cpu_state_reset(CPUMIPSState *env)
if (env->CP0_Config3 & (1 << CP0C3_CMGCR)) {
env->CP0_CMGCRBase = 0x1fbf8000 >> 4;
}
- env->CP0_EntryHi_ASID_mask = 0xff;
+ env->CP0_EntryHi_ASID_mask = (env->CP0_Config4 & (1 << CP0C4_AE)) ?
+ 0x3ff : 0xff;
env->CP0_Status = (1 << CP0St_BEV) | (1 << CP0St_ERL);
/* vectored interrupts not implemented, timer on int 7,
no performance counters. */