Define the vm_resume helper, for use in subsequent patches.
Signed-off-by: Steve Sistare <steven.sist...@oracle.com>
Reviewed-by: Peter Xu <pet...@redhat.com>
---
include/sysemu/runstate.h | 9 +++++++++
system/cpus.c | 9 +++++++++
2 files changed, 18 insertions(+)
diff --git a/include/sysemu/runstate.h b/include/sysemu/runstate.h
index 867e53c..315046b 100644
--- a/include/sysemu/runstate.h
+++ b/include/sysemu/runstate.h
@@ -53,6 +53,15 @@ void vm_start(void);
* @step_pending: whether any of the CPUs is about to be single-stepped by gdb
*/
int vm_prepare_start(bool step_pending);
+
+/**
+ * vm_resume: If @state is a live 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 f162435..7d2c28b 100644
--- a/system/cpus.c
+++ b/system/cpus.c
@@ -748,6 +748,15 @@ void vm_start(void)
}
}
+void vm_resume(RunState state)
+{
+ if (runstate_is_live(state)) {
+ vm_start();
+ } 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
