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-rw-r--r--exec.c11
-rw-r--r--include/qom/cpu.h3
2 files changed, 12 insertions, 2 deletions
diff --git a/exec.c b/exec.c
index 0a96ddb..254ae62 100644
--- a/exec.c
+++ b/exec.c
@@ -219,7 +219,7 @@ void cpu_exec_init_all(void)
#endif
}
-#if defined(CPU_SAVE_VERSION) && !defined(CONFIG_USER_ONLY)
+#if !defined(CONFIG_USER_ONLY)
static int cpu_common_post_load(void *opaque, int version_id)
{
@@ -245,6 +245,8 @@ static const VMStateDescription vmstate_cpu_common = {
VMSTATE_END_OF_LIST()
}
};
+#else
+#define vmstate_cpu_common vmstate_dummy
#endif
CPUState *qemu_get_cpu(int index)
@@ -266,6 +268,7 @@ CPUState *qemu_get_cpu(int index)
void cpu_exec_init(CPUArchState *env)
{
CPUState *cpu = ENV_GET_CPU(env);
+ CPUClass *cc = CPU_GET_CLASS(cpu);
CPUArchState **penv;
int cpu_index;
@@ -290,11 +293,15 @@ void cpu_exec_init(CPUArchState *env)
#if defined(CONFIG_USER_ONLY)
cpu_list_unlock();
#endif
-#if defined(CPU_SAVE_VERSION) && !defined(CONFIG_USER_ONLY)
vmstate_register(NULL, cpu_index, &vmstate_cpu_common, env);
+#if defined(CPU_SAVE_VERSION) && !defined(CONFIG_USER_ONLY)
register_savevm(NULL, "cpu", cpu_index, CPU_SAVE_VERSION,
cpu_save, cpu_load, env);
+ assert(cc->vmsd == NULL);
#endif
+ if (cc->vmsd != NULL) {
+ vmstate_register(NULL, cpu_index, cc->vmsd, cpu);
+ }
}
#if defined(TARGET_HAS_ICE)
diff --git a/include/qom/cpu.h b/include/qom/cpu.h
index ab2657c..5b1b0d7 100644
--- a/include/qom/cpu.h
+++ b/include/qom/cpu.h
@@ -44,6 +44,7 @@ typedef struct CPUState CPUState;
* @class_by_name: Callback to map -cpu command line model name to an
* instantiatable CPU type.
* @reset: Callback to reset the #CPUState to its initial state.
+ * @vmsd: State description for migration.
*
* Represents a CPU family or model.
*/
@@ -55,6 +56,8 @@ typedef struct CPUClass {
ObjectClass *(*class_by_name)(const char *cpu_model);
void (*reset)(CPUState *cpu);
+
+ const struct VMStateDescription *vmsd;
} CPUClass;
struct KVMState;