[PULL 4/6] target/loongarch: Fix exception BCE missing to update CSR_BADV

Bibo Mao posted 6 patches 3 weeks, 1 day ago
Maintainers: Song Gao <gaosong@loongson.cn>, Bibo Mao <maobibo@loongson.cn>, Jiaxun Yang <jiaxun.yang@flygoat.com>
[PULL 4/6] target/loongarch: Fix exception BCE missing to update CSR_BADV
Posted by Bibo Mao 3 weeks, 1 day ago
From: Song Gao <gaosong@loongson.cn>

Exception BCE need update CSR_BADV, and the value is env->pc.

Signed-off-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
---
 target/loongarch/tcg/tcg_cpu.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/target/loongarch/tcg/tcg_cpu.c b/target/loongarch/tcg/tcg_cpu.c
index d91cb9904f..4b4bf39d09 100644
--- a/target/loongarch/tcg/tcg_cpu.c
+++ b/target/loongarch/tcg/tcg_cpu.c
@@ -113,6 +113,9 @@ static void loongarch_cpu_do_interrupt(CPUState *cs)
         cause = cs->exception_index;
         update_badinstr = 0;
         break;
+    case EXCCODE_BCE:
+        env->CSR_BADV = env->pc;
+        QEMU_FALLTHROUGH;
     case EXCCODE_SYS:
     case EXCCODE_BRK:
     case EXCCODE_INE:
@@ -121,7 +124,6 @@ static void loongarch_cpu_do_interrupt(CPUState *cs)
     case EXCCODE_FPE:
     case EXCCODE_SXD:
     case EXCCODE_ASXD:
-    case EXCCODE_BCE:
     case EXCCODE_ADEM:
     case EXCCODE_PIL:
     case EXCCODE_PIS:
-- 
2.52.0