On 2024/7/5 上午10:18, Song Gao wrote:
After cpu_reset, DATF in CSR_CRMD is 0, DATM is 0.
See the manual[1] 6.4.
[1]:
https://github.com/loongson/LoongArch-Documentation/releases/download/2023.04.20/LoongArch-Vol1-v1.10-EN.pdf
Signed-off-by: Song Gao <gaos...@loongson.cn>
---
target/loongarch/cpu.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c
index 55d468af3c..763cde41c3 100644
--- a/target/loongarch/cpu.c
+++ b/target/loongarch/cpu.c
@@ -523,13 +523,13 @@ static void loongarch_cpu_reset_hold(Object *obj,
ResetType type)
env->fcsr0 = 0x0;
int n;
- /* Set csr registers value after reset */
+ /* Set csr registers value after reset, see the manual 6.4. */
env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, PLV, 0);
env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, IE, 0);
env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, DA, 1);
env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, PG, 0);
- env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, DATF, 1);
- env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, DATM, 1);
+ env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, DATF, 0);
+ env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, DATM, 0);
env->CSR_EUEN = FIELD_DP64(env->CSR_EUEN, CSR_EUEN, FPE, 0);
env->CSR_EUEN = FIELD_DP64(env->CSR_EUEN, CSR_EUEN, SXE, 0);
Reviewed-by: Bibo Mao <maob...@loongson.cn>
