According to Volume 1 Manual 7.4.8 ,exception,SYS,BRK,INE,IPE,PPD
FPE,SXD,ASXD are need't update CSR_BADV, this patch correct it.

Signed-off-by: Song Gao <gaosong@loongson.cn>
---
 target/loongarch/tcg/tcg_cpu.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/target/loongarch/tcg/tcg_cpu.c b/target/loongarch/tcg/tcg_cpu.c
index 9d077c56d9..ab247e82ec 100644
--- a/target/loongarch/tcg/tcg_cpu.c
+++ b/target/loongarch/tcg/tcg_cpu.c
@@ -121,8 +121,6 @@ static void loongarch_cpu_do_interrupt(CPUState *cs)
     case EXCCODE_FPE:
     case EXCCODE_SXD:
     case EXCCODE_ASXD:
-        env->CSR_BADV = env->pc;
-        QEMU_FALLTHROUGH;
     case EXCCODE_BCE:
     case EXCCODE_ADEM:
     case EXCCODE_PIL:
-- 
2.41.0

On 2025/12/24 上午11:19, Song Gao wrote:
> According to Volume 1 Manual 7.4.8 ,exception,SYS,BRK,INE,IPE,PPD
> FPE,SXD,ASXD are need't update CSR_BADV, this patch correct it.
> 
> Signed-off-by: Song Gao <gaosong@loongson.cn>
> ---
>   target/loongarch/tcg/tcg_cpu.c | 2 --
>   1 file changed, 2 deletions(-)
> 
> diff --git a/target/loongarch/tcg/tcg_cpu.c b/target/loongarch/tcg/tcg_cpu.c
> index 9d077c56d9..ab247e82ec 100644
> --- a/target/loongarch/tcg/tcg_cpu.c
> +++ b/target/loongarch/tcg/tcg_cpu.c
> @@ -121,8 +121,6 @@ static void loongarch_cpu_do_interrupt(CPUState *cs)
>       case EXCCODE_FPE:
>       case EXCCODE_SXD:
>       case EXCCODE_ASXD:
> -        env->CSR_BADV = env->pc;
> -        QEMU_FALLTHROUGH;
>       case EXCCODE_BCE:
>       case EXCCODE_ADEM:
>       case EXCCODE_PIL:
> 
Reviewed-by: Bibo Mao <maobibo@loongson.cn>