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authorXiaojuan Yang <yangxiaojuan@loongson.cn>2022-07-01 17:34:04 +0800
committerRichard Henderson <richard.henderson@linaro.org>2022-07-04 11:08:58 +0530
commit4623367697ebb531fce89a10f9c73a820a5ad82a (patch)
treeb2319dd46f0d9d3e346007ec9f995e0e9553138e /target/loongarch
parent59e52dcff7254603f3b5bf527806a830f016bf82 (diff)
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target/loongarch: Fix the meaning of ECFG reg's VS field
By the manual of LoongArch CSR, the VS field(18:16 bits) of ECFG reg means that the number of instructions between each exception entry is 2^VS. Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220701093407.2150607-9-yangxiaojuan@loongson.cn> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/loongarch')
-rw-r--r--target/loongarch/cpu.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c
index 47c0bdd..d2d4667 100644
--- a/target/loongarch/cpu.c
+++ b/target/loongarch/cpu.c
@@ -223,6 +223,10 @@ static void loongarch_cpu_do_interrupt(CPUState *cs)
env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, PLV, 0);
env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, IE, 0);
+ if (vec_size) {
+ vec_size = (1 << vec_size) * 4;
+ }
+
if (cs->exception_index == EXCCODE_INT) {
/* Interrupt */
uint32_t vector = 0;