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File _service:tar_scm:target-loongarch-Supplement-vcpu-env-initial-when-vc.patch of Package qemu
From 48dae5f461bf2cde206e879d52df6cf1bad3ac6e Mon Sep 17 00:00:00 2001 From: Tianrui Zhao <zhaotianrui@loongson.cn> Date: Fri, 5 Jan 2024 15:57:58 +0800 Subject: [PATCH] target/loongarch: Supplement vcpu env initial when vcpu reset Supplement vcpu env initial when vcpu reset, including init vcpu CSR_CPUID,CSR_TID to cpu->cpu_index. The two regs will be used in kvm_get/set_csr_ioctl. Signed-off-by: Tianrui Zhao <zhaotianrui@loongson.cn> Signed-off-by: xianglai li <lixianglai@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn> Message-Id: <20240105075804.1228596-4-zhaotianrui@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn> --- target/loongarch/cpu.c | 2 ++ target/loongarch/cpu.h | 2 +- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index db9a421cc4..021592798a 100644 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@ -531,10 +531,12 @@ static void loongarch_cpu_reset_hold(Object *obj) env->CSR_ESTAT = env->CSR_ESTAT & (~MAKE_64BIT_MASK(0, 2)); env->CSR_RVACFG = FIELD_DP64(env->CSR_RVACFG, CSR_RVACFG, RBITS, 0); + env->CSR_CPUID = cs->cpu_index; env->CSR_TCFG = FIELD_DP64(env->CSR_TCFG, CSR_TCFG, EN, 0); env->CSR_LLBCTL = FIELD_DP64(env->CSR_LLBCTL, CSR_LLBCTL, KLO, 0); env->CSR_TLBRERA = FIELD_DP64(env->CSR_TLBRERA, CSR_TLBRERA, ISTLBR, 0); env->CSR_MERRCTL = FIELD_DP64(env->CSR_MERRCTL, CSR_MERRCTL, ISMERR, 0); + env->CSR_TID = cs->cpu_index; env->CSR_PRCFG3 = FIELD_DP64(env->CSR_PRCFG3, CSR_PRCFG3, TLB_TYPE, 2); env->CSR_PRCFG3 = FIELD_DP64(env->CSR_PRCFG3, CSR_PRCFG3, MTLB_ENTRY, 63); diff --git a/target/loongarch/cpu.h b/target/loongarch/cpu.h index 00d1fba597..f6d5ef0852 100644 --- a/target/loongarch/cpu.h +++ b/target/loongarch/cpu.h @@ -319,6 +319,7 @@ typedef struct CPUArchState { uint64_t CSR_PWCH; uint64_t CSR_STLBPS; uint64_t CSR_RVACFG; + uint64_t CSR_CPUID; uint64_t CSR_PRCFG1; uint64_t CSR_PRCFG2; uint64_t CSR_PRCFG3; @@ -350,7 +351,6 @@ typedef struct CPUArchState { uint64_t CSR_DBG; uint64_t CSR_DERA; uint64_t CSR_DSAVE; - uint64_t CSR_CPUID; #ifndef CONFIG_USER_ONLY LoongArchTLB tlb[LOONGARCH_TLB_MAX]; -- 2.27.0
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