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[PATCH RFC v3 14/14] target/riscv: Support virtual time context synchron
From: |
Yifei Jiang |
Subject: |
[PATCH RFC v3 14/14] target/riscv: Support virtual time context synchronization |
Date: |
Thu, 27 Aug 2020 17:21:37 +0800 |
Add virtual time context description to vmstate_riscv_cpu. After cpu being
loaded, virtual time context is updated to KVM.
Signed-off-by: Yifei Jiang <jiangyifei@huawei.com>
Signed-off-by: Yipeng Yin <yinyipeng1@huawei.com>
---
target/riscv/cpu.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index b698f4adbb..c6b207d201 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -496,11 +496,19 @@ static void riscv_cpu_init(Object *obj)
cpu_set_cpustate_pointers(cpu);
}
+static int cpu_post_load(void *opaque, int version_id)
+{
+ RISCVCPU *cpu = opaque;
+ cpu->env.kvm_timer_dirty = true;
+ return 0;
+}
+
#ifndef CONFIG_USER_ONLY
static const VMStateDescription vmstate_riscv_cpu = {
.name = "cpu",
.version_id = 1,
.minimum_version_id = 1,
+ .post_load = cpu_post_load,
.fields = (VMStateField[]) {
VMSTATE_UINTTL_ARRAY(env.gpr, RISCVCPU, 32),
VMSTATE_UINT64_ARRAY(env.fpr, RISCVCPU, 32),
@@ -514,6 +522,9 @@ static const VMStateDescription vmstate_riscv_cpu = {
VMSTATE_UINTTL(env.sbadaddr, RISCVCPU),
VMSTATE_UINTTL(env.mip, RISCVCPU),
VMSTATE_UINTTL(env.satp, RISCVCPU),
+ VMSTATE_UINT64(env.kvm_timer_time, RISCVCPU),
+ VMSTATE_UINT64(env.kvm_timer_compare, RISCVCPU),
+ VMSTATE_UINT64(env.kvm_timer_state, RISCVCPU),
VMSTATE_END_OF_LIST()
}
};
--
2.19.1
- [PATCH RFC v3 00/14] Add riscv kvm accel support, Yifei Jiang, 2020/08/27
- [PATCH RFC v3 03/14] target/riscv: Implement function kvm_arch_init_vcpu, Yifei Jiang, 2020/08/27
- [PATCH RFC v3 01/14] linux-header: Update linux/kvm.h, Yifei Jiang, 2020/08/27
- [PATCH RFC v3 05/14] arget/riscv: Implement kvm_arch_put_registers, Yifei Jiang, 2020/08/27
- [PATCH RFC v3 06/14] target/riscv: Support start kernel directly by KVM, Yifei Jiang, 2020/08/27
- [PATCH RFC v3 11/14] target/riscv: Support riscv cpu vmstate, Yifei Jiang, 2020/08/27
- [PATCH RFC v3 14/14] target/riscv: Support virtual time context synchronization,
Yifei Jiang <=
- [PATCH RFC v3 10/14] target/riscv: Add sifive_plic vmstate, Yifei Jiang, 2020/08/27
- [PATCH RFC v3 13/14] target/riscv: Implement virtual time adjusting with vm state changing, Yifei Jiang, 2020/08/27
- [PATCH RFC v3 08/14] target/riscv: Handler KVM_EXIT_RISCV_SBI exit, Yifei Jiang, 2020/08/27
- [PATCH RFC v3 02/14] target/riscv: Add target/riscv/kvm.c to place the public kvm interface, Yifei Jiang, 2020/08/27
- [PATCH RFC v3 09/14] target/riscv: Add host cpu type, Yifei Jiang, 2020/08/27
- [PATCH RFC v3 07/14] hw/riscv: PLIC update external interrupt by KVM when kvm enabled, Yifei Jiang, 2020/08/27
- [PATCH RFC v3 04/14] target/riscv: Implement kvm_arch_get_registers, Yifei Jiang, 2020/08/27
- [PATCH RFC v3 12/14] target/riscv: Add kvm_riscv_get/put_regs_timer, Yifei Jiang, 2020/08/27