changeset ea26ba576891 in /z/repo/gem5
details: http://repo.gem5.org/gem5?cmd=changeset;node=ea26ba576891
description:
dev: Clarify why updates are delayed when the MC14818 is activated
diffstat:
src/dev/mc146818.cc | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diffs (16 lines):
diff -r 304a37519d11 -r ea26ba576891 src/dev/mc146818.cc
--- a/src/dev/mc146818.cc Mon Jun 03 13:55:41 2013 +0200
+++ b/src/dev/mc146818.cc Tue Jun 04 10:08:21 2013 +0200
@@ -163,8 +163,10 @@
if (tickEvent.scheduled())
deschedule(tickEvent);
} else if (rega_dv_disabled(old_rega)) {
- // If the divider chain goes from reset to active, we
- // need to schedule a tick after precisely 0.5s.
+ // According to the specification, the next tick
+ // happens after 0.5s when the divider chain goes
+ // from reset to active. So, we simply schedule the
+ // tick after 0.5s.
assert(!tickEvent.scheduled());
schedule(tickEvent, curTick() + SimClock::Int::s / 2);
}
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