Provide the vm_resume helper which resumes the vm in the requested state,
correctly restoring the suspended state.
Signed-off-by: Steve Sistare <steven.sist...@oracle.com>
---
include/sysemu/runstate.h | 8 ++++++++
system/cpus.c | 11 +++++++++++
2 files changed, 19 insertions(+)
diff --git a/include/sysemu/runstate.h b/include/sysemu/runstate.h
index 9e78c7f..3fa28a4 100644
--- a/include/sysemu/runstate.h
+++ b/include/sysemu/runstate.h
@@ -50,6 +50,14 @@ void vm_start(void);
*/
int vm_prepare_start(bool step_pending, RunState state);
+/**
+ * vm_resume: If @state is a running state, start the vm and set the state,
+ * else just set the state.
+ *
+ * @state: the state to restore
+ */
+void vm_resume(RunState state);
+
int vm_stop(RunState state);
int vm_stop_force_state(RunState state);
int vm_shutdown(void);
diff --git a/system/cpus.c b/system/cpus.c
index 4d05d83..1d867bb 100644
--- a/system/cpus.c
+++ b/system/cpus.c
@@ -725,6 +725,17 @@ void vm_start(void)
}
}
+void vm_resume(RunState state)
+{
+ if (state == RUN_STATE_RUNNING) {
+ vm_start();
+ } else if (state == RUN_STATE_SUSPENDED) {
+ vm_prepare_start(false, state);
+ } else {
+ runstate_set(state);
+ }
+}
+
/* does a state transition even if the VM is already stopped,
current state is forgotten forever */
int vm_stop_force_state(RunState state)
--
1.8.3.1
