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-rw-r--r--src/cpu/simple/atomic.cc16
1 files changed, 12 insertions, 4 deletions
diff --git a/src/cpu/simple/atomic.cc b/src/cpu/simple/atomic.cc
index edba55b0d..11e4d2acb 100644
--- a/src/cpu/simple/atomic.cc
+++ b/src/cpu/simple/atomic.cc
@@ -188,8 +188,11 @@ AtomicSimpleCPU::resume()
changeState(SimObject::Running);
if (thread->status() == ThreadContext::Active) {
- if (!tickEvent.scheduled())
- tickEvent.schedule(curTick);
+ if (!tickEvent.scheduled()) {
+ Tick nextTick = curTick + cycles(1) - 1;
+ nextTick -= (nextTick % (cycles(1)));
+ tickEvent.schedule(nextTick);
+ }
}
}
}
@@ -217,7 +220,9 @@ AtomicSimpleCPU::takeOverFrom(BaseCPU *oldCPU)
ThreadContext *tc = threadContexts[i];
if (tc->status() == ThreadContext::Active && _status != Running) {
_status = Running;
- tickEvent.schedule(curTick);
+ Tick nextTick = curTick + cycles(1) - 1;
+ nextTick -= (nextTick % (cycles(1)));
+ tickEvent.schedule(nextTick);
break;
}
}
@@ -234,7 +239,10 @@ AtomicSimpleCPU::activateContext(int thread_num, int delay)
assert(!tickEvent.scheduled());
notIdleFraction++;
- tickEvent.schedule(curTick + cycles(delay));
+ //Make sure ticks are still on multiples of cycles
+ Tick nextTick = curTick + cycles(delay + 1) - 1;
+ nextTick -= (nextTick % (cycles(1)));
+ tickEvent.schedule(nextTick);
_status = Running;
}