[Stable-10.1.4 43/74] target/loongach: Fix some exceptions failure in updating CSR_BADV

Michael Tokarev posted 74 patches 1 week ago
[Stable-10.1.4 43/74] target/loongach: Fix some exceptions failure in updating CSR_BADV
Posted by Michael Tokarev 1 week ago
From: Song Gao <gaosong@loongson.cn>

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>
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
(cherry picked from commit 70cf9b7bf7aff47f8d85ccce35b688dd91335cf0)
(Mjt: the changes are in target/loongarch/cpu.h in 10.1)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c
index abad84c054..74a988c24f 100644
--- a/target/loongarch/cpu.c
+++ b/target/loongarch/cpu.c
@@ -210,8 +210,6 @@ 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:
-- 
2.47.3