From 28204b2a964983738726428269e61833f4e1dce9 Mon Sep 17 00:00:00 2001 From: Brad Beckmann Date: Thu, 15 Oct 2009 15:15:24 -0700 Subject: fixed MC146818 checkpointing bug and added isa serialization calls to simple_thread --- src/dev/mc146818.cc | 22 ++++++++++++++++++---- 1 file changed, 18 insertions(+), 4 deletions(-) (limited to 'src/dev/mc146818.cc') diff --git a/src/dev/mc146818.cc b/src/dev/mc146818.cc index b25b015d2..0bb6558c8 100644 --- a/src/dev/mc146818.cc +++ b/src/dev/mc146818.cc @@ -207,6 +207,15 @@ MC146818::serialize(const string &base, ostream &os) arrayParamOut(os, base + ".clock_data", clock_data, sizeof(clock_data)); paramOut(os, base + ".stat_regA", stat_regA); paramOut(os, base + ".stat_regB", stat_regB); + + // + // save the timer tick and rtc clock tick values to correctly reschedule + // them during unserialize + // + Tick rtcTimerInterruptTickOffset = event.when() - curTick; + SERIALIZE_SCALAR(rtcTimerInterruptTickOffset); + Tick rtcClockTickOffset = event.when() - curTick; + SERIALIZE_SCALAR(rtcClockTickOffset); } void @@ -218,10 +227,15 @@ MC146818::unserialize(const string &base, Checkpoint *cp, paramIn(cp, section, base + ".stat_regA", stat_regA); paramIn(cp, section, base + ".stat_regB", stat_regB); - // We're not unserializing the event here, but we need to - // rescehedule the event since curTick was moved forward by the - // checkpoint - reschedule(event, curTick + event.interval); + // + // properly schedule the timer and rtc clock events + // + Tick rtcTimerInterruptTickOffset; + UNSERIALIZE_SCALAR(rtcTimerInterruptTickOffset); + reschedule(event, curTick + rtcTimerInterruptTickOffset); + Tick rtcClockTickOffset; + UNSERIALIZE_SCALAR(rtcClockTickOffset); + reschedule(tickEvent, curTick + rtcClockTickOffset); } MC146818::RTCEvent::RTCEvent(MC146818 * _parent, Tick i) -- cgit v1.2.3