some tlb instructions get the tlb_ps from tlb->misc but the
value may has been initialized to 0,just check the tlb_ps skip
the function and write a log.
Signed-off-by: Song Gao <gaos...@loongson.cn>
Reviewed-by: Bibo Mao <maob...@loongson.cn>
---
target/loongarch/tcg/tlb_helper.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/target/loongarch/tcg/tlb_helper.c
b/target/loongarch/tcg/tlb_helper.c
index a323606e5a..112556301f 100644
--- a/target/loongarch/tcg/tlb_helper.c
+++ b/target/loongarch/tcg/tlb_helper.c
@@ -427,7 +427,11 @@ void helper_invtlb_page_asid(CPULoongArchState *env,
target_ulong info,
uint16_t tlb_asid = FIELD_EX64(tlb->tlb_misc, TLB_MISC, ASID);
uint64_t vpn, tlb_vppn;
uint8_t tlb_ps, compare_shift;
+ uint8_t tlb_e = FIELD_EX64(tlb->tlb_misc, TLB_MISC, E);
+ if (!tlb_e) {
+ continue;
+ }
if (i >= LOONGARCH_STLB) {
tlb_ps = FIELD_EX64(tlb->tlb_misc, TLB_MISC, PS);
} else {
@@ -456,7 +460,11 @@ void helper_invtlb_page_asid_or_g(CPULoongArchState *env,
uint16_t tlb_asid = FIELD_EX64(tlb->tlb_misc, TLB_MISC, ASID);
uint64_t vpn, tlb_vppn;
uint8_t tlb_ps, compare_shift;
+ uint8_t tlb_e = FIELD_EX64(tlb->tlb_misc, TLB_MISC, E);
+ if (!tlb_e) {
+ continue;
+ }
if (i >= LOONGARCH_STLB) {
tlb_ps = FIELD_EX64(tlb->tlb_misc, TLB_MISC, PS);
} else {
--
2.34.1
