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[PATCH 09/10] target/loongarch: Fix the meaning of ECFG reg's VS field
From: |
Xiaojuan Yang |
Subject: |
[PATCH 09/10] target/loongarch: Fix the meaning of ECFG reg's VS field |
Date: |
Wed, 22 Jun 2022 18:43:00 +0800 |
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>
---
target/loongarch/cpu.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c
index 401d3fd30a..d1a87e8e1c 100644
--- a/target/loongarch/cpu.c
+++ b/target/loongarch/cpu.c
@@ -219,6 +219,10 @@ 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;
--
2.31.1
- [PATCH 00/10] Add functions for LoongArch virt machine, Xiaojuan Yang, 2022/06/22
- [PATCH 02/10] hw/loongarch: Add fw_cfg table support, Xiaojuan Yang, 2022/06/22
- [PATCH 08/10] hw/loongarch: Fix ipi device access of 64bits, Xiaojuan Yang, 2022/06/22
- [PATCH 04/10] hw/loongarch: Add linux kernel booting support, Xiaojuan Yang, 2022/06/22
- [PATCH 03/10] hw/loongarch: Add uefi bios loading support, Xiaojuan Yang, 2022/06/22
- [PATCH 06/10] hw/loongarch: Add acpi ged support, Xiaojuan Yang, 2022/06/22
- [PATCH 10/10] target/loongarch: Add lock when writing timer clear reg, Xiaojuan Yang, 2022/06/22
- [PATCH 07/10] hw/loongarch: Add fdt support, Xiaojuan Yang, 2022/06/22
- [PATCH 05/10] hw/loongarch: Add smbios support, Xiaojuan Yang, 2022/06/22
- [PATCH 09/10] target/loongarch: Fix the meaning of ECFG reg's VS field,
Xiaojuan Yang <=
- [PATCH 01/10] hw/loongarch: rename macro prefix LS_PCI to LS7A_PCI, Xiaojuan Yang, 2022/06/22