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| author | Nikos Nikoleris <nikos.nikoleris@gmail.com> | 2015-04-03 11:42:10 -0500 |
|---|---|---|
| committer | Nikos Nikoleris <nikos.nikoleris@gmail.com> | 2015-04-03 11:42:10 -0500 |
| commit | 4bdbdd84136d75272cb1df6444746c8ff669893e (patch) | |
| tree | e6264d7b3badb98e5a1d1899475d2c560b91e600 | |
| parent | bebab7f24f9bbc661ae7f33c7a3f2f7785e6b088 (diff) | |
| download | gem5-4bdbdd84136d75272cb1df6444746c8ff669893e.tar.xz | |
dev: (un)serialize fix for the RTC and RTC Timer Interrupt events
Restoring from a checkpoint fails if either the RTC or the RTC Timer
Interrrupt event is disabled. The restored machine tried incorrectly
to schedule the next event with negative offset.
Committed by: Nilay Vaish <nilay@cs.wisc.edu>
| -rw-r--r-- | src/dev/mc146818.cc | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/dev/mc146818.cc b/src/dev/mc146818.cc index fa8350760..b5467f8cc 100644 --- a/src/dev/mc146818.cc +++ b/src/dev/mc146818.cc @@ -127,8 +127,11 @@ MC146818::startup() { assert(!event.scheduled()); assert(!tickEvent.scheduled()); - schedule(event, curTick() + event.offset); - schedule(tickEvent, curTick() + tickEvent.offset); + + if (stat_regB.pie) + schedule(event, curTick() + event.offset); + if (!rega_dv_disabled(stat_regA)) + schedule(tickEvent, curTick() + tickEvent.offset); } void |