[v2] loongarch-to-apply queue

[PULL v2 8/8] target/loongarch: Fix cpu_reset set wrong CSR_CRMD
Posted by Song Gao 4 months, 2 weeks ago
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 <gaosong@loongson.cn>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Message-Id: <20240705021839.1004374-2-gaosong@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 61af018eec..5e85b9dbef 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);
-- 
2.34.1