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-rw-r--r--src/dev/arm/generic_timer.cc32
1 files changed, 18 insertions, 14 deletions
diff --git a/src/dev/arm/generic_timer.cc b/src/dev/arm/generic_timer.cc
index efaebb1ba..48f70e135 100644
--- a/src/dev/arm/generic_timer.cc
+++ b/src/dev/arm/generic_timer.cc
@@ -179,13 +179,6 @@ ArchTimer::serialize(CheckpointOut &cp) const
paramOut(cp, "control_serial", _control);
SERIALIZE_SCALAR(_counterLimit);
SERIALIZE_SCALAR(_offset);
-
- const bool event_scheduled(_counterLimitReachedEvent.scheduled());
- SERIALIZE_SCALAR(event_scheduled);
- if (event_scheduled) {
- const Tick event_time(_counterLimitReachedEvent.when());
- SERIALIZE_SCALAR(event_time);
- }
}
void
@@ -197,13 +190,24 @@ ArchTimer::unserialize(CheckpointIn &cp)
// compatibility.
if (!UNSERIALIZE_OPT_SCALAR(_offset))
_offset = 0;
- bool event_scheduled;
- UNSERIALIZE_SCALAR(event_scheduled);
- if (event_scheduled) {
- Tick event_time;
- UNSERIALIZE_SCALAR(event_time);
- _parent.schedule(_counterLimitReachedEvent, event_time);
- }
+
+ // We no longer schedule an event here because we may enter KVM
+ // emulation. The event creation is delayed until drainResume().
+}
+
+DrainState
+ArchTimer::drain()
+{
+ if (_counterLimitReachedEvent.scheduled())
+ _parent.deschedule(_counterLimitReachedEvent);
+
+ return DrainState::Drained;
+}
+
+void
+ArchTimer::drainResume()
+{
+ updateCounter();
}
void