diff options
| author | Bibo Mao <maobibo@loongson.cn> | 2024-08-22 10:28:27 +0800 |
|---|---|---|
| committer | Song Gao <gaosong@loongson.cn> | 2024-09-12 20:51:18 +0800 |
| commit | a724f5a84ef027cd481a18eda67ea2de58282c3e (patch) | |
| tree | ac2f49f2b73ef9a396e4f564a4abe876504b0952 /target/loongarch | |
| parent | d69490c499b628cdcacf7bf689cff0880147027f (diff) | |
target/loongarch/kvm: Add vCPU reset function
KVM provides interface KVM_REG_LOONGARCH_VCPU_RESET to reset vCPU,
it can be used to clear internal state about kvm kernel. vCPU reset
function is added here for kvm mode.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20240822022827.2273534-1-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Diffstat (limited to 'target/loongarch')
| -rw-r--r-- | target/loongarch/cpu.c | 2 | ||||
| -rw-r--r-- | target/loongarch/kvm/kvm.c | 5 | ||||
| -rw-r--r-- | target/loongarch/kvm/kvm_loongarch.h | 2 |
3 files changed, 6 insertions, 3 deletions
diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index 115922113a..6a569285b8 100644 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@ -577,7 +577,7 @@ static void loongarch_cpu_reset_hold(Object *obj, ResetType type) memset(env->tlb, 0, sizeof(env->tlb)); #endif if (kvm_enabled()) { - kvm_arch_reset_vcpu(env); + kvm_arch_reset_vcpu(cs); } #endif diff --git a/target/loongarch/kvm/kvm.c b/target/loongarch/kvm/kvm.c index e1be6a6959..4786cd5efa 100644 --- a/target/loongarch/kvm/kvm.c +++ b/target/loongarch/kvm/kvm.c @@ -476,9 +476,12 @@ static int kvm_loongarch_put_regs_fp(CPUState *cs) return ret; } -void kvm_arch_reset_vcpu(CPULoongArchState *env) +void kvm_arch_reset_vcpu(CPUState *cs) { + CPULoongArchState *env = cpu_env(cs); + env->mp_state = KVM_MP_STATE_RUNNABLE; + kvm_set_one_reg(cs, KVM_REG_LOONGARCH_VCPU_RESET, 0); } static int kvm_loongarch_get_mpstate(CPUState *cs) diff --git a/target/loongarch/kvm/kvm_loongarch.h b/target/loongarch/kvm/kvm_loongarch.h index d945b6bb82..1051a341ec 100644 --- a/target/loongarch/kvm/kvm_loongarch.h +++ b/target/loongarch/kvm/kvm_loongarch.h @@ -11,6 +11,6 @@ #define QEMU_KVM_LOONGARCH_H int kvm_loongarch_set_interrupt(LoongArchCPU *cpu, int irq, int level); -void kvm_arch_reset_vcpu(CPULoongArchState *env); +void kvm_arch_reset_vcpu(CPUState *cs); #endif |