diff options
Diffstat (limited to 'src/dev/mc146818.cc')
| -rw-r--r-- | src/dev/mc146818.cc | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/src/dev/mc146818.cc b/src/dev/mc146818.cc index b25b015d2..2e6ed2a4b 100644 --- a/src/dev/mc146818.cc +++ b/src/dev/mc146818.cc @@ -105,6 +105,8 @@ MC146818::MC146818(EventManager *em, const string &n, const struct tm time, MC146818::~MC146818() { + deschedule(tickEvent); + deschedule(event); } void @@ -207,6 +209,15 @@ 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 +229,15 @@ 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) |