1.helper_asrtle_d/helper_asrtgt_d need use GETPC() to get PC;
2 LD/ST{LE/GT} need set CSR_BADV = gpr[rj];
3 ASRTLE.D/ASRTGT.D also write CSR_BADV, but this value is random
and has no reference value.
Signed-off-by: Song Gao <gaosong@loongson.cn>
---
target/loongarch/cpu.c | 2 +-
target/loongarch/op_helper.c | 6 ++++--
2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c
index c0afc21b2f..ad93ecac92 100644
--- a/target/loongarch/cpu.c
+++ b/target/loongarch/cpu.c
@@ -187,10 +187,10 @@ static void loongarch_cpu_do_interrupt(CPUState *cs)
case EXCCODE_IPE:
case EXCCODE_FPD:
case EXCCODE_FPE:
- case EXCCODE_BCE:
case EXCCODE_SXD:
env->CSR_BADV = env->pc;
QEMU_FALLTHROUGH;
+ case EXCCODE_BCE:
case EXCCODE_ADEM:
case EXCCODE_PIL:
case EXCCODE_PIS:
diff --git a/target/loongarch/op_helper.c b/target/loongarch/op_helper.c
index 568c071601..60335a05e2 100644
--- a/target/loongarch/op_helper.c
+++ b/target/loongarch/op_helper.c
@@ -49,14 +49,16 @@ target_ulong helper_bitswap(target_ulong v)
void helper_asrtle_d(CPULoongArchState *env, target_ulong rj, target_ulong rk)
{
if (rj > rk) {
- do_raise_exception(env, EXCCODE_BCE, 0);
+ env->CSR_BADV = rj;
+ do_raise_exception(env, EXCCODE_BCE, GETPC());
}
}
void helper_asrtgt_d(CPULoongArchState *env, target_ulong rj, target_ulong rk)
{
if (rj <= rk) {
- do_raise_exception(env, EXCCODE_BCE, 0);
+ env->CSR_BADV = rj;
+ do_raise_exception(env, EXCCODE_BCE, GETPC());
}
}
--
2.39.1