diff mbox series

[v4,3/9] target/loongarch: Supplement vcpu env initial when vcpu reset

Message ID 20240105075804.1228596-4-zhaotianrui@loongson.cn (mailing list archive)
State New, archived
Headers show
Series Add loongarch kvm accel support | expand

Commit Message

zhaotianrui Jan. 5, 2024, 7:57 a.m. UTC 
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>
---
 target/loongarch/cpu.c | 2 ++
 target/loongarch/cpu.h | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c
index 07319d6fb9..72b83e49aa 100644
--- a/target/loongarch/cpu.c
+++ b/target/loongarch/cpu.c
@@ -533,10 +533,12 @@  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];