private static void WaitForMpSyncState(MpSyncState newState,
uint microseconds,
ref bool success)
{
Tracing.Log(
Tracing.Debug,
"Waiting for MP sync state {0} -> {1} ({2} microseconds)",
(uint)mpSyncState, (uint)newState, microseconds
);
ulong todo = microseconds * (Processor.CyclesPerSecond / 1000000);
ulong last = Processor.CycleCount;
ulong elapsed = 0;
success = false;
while (elapsed < todo)
{
ulong now = Processor.CycleCount;
elapsed += (now - last);
last = now;
if (HalDevicesApic.mpSyncState == newState)
{
success = true;
return;
}
}
Tracing.Log(Tracing.Debug, "Mp sync state timed out");
}
private static void WaitForMpSyncState(MpSyncState newState)
{
Tracing.Log(
Tracing.Debug,
"Waiting for MP sync state {0} -> {1} (indefinite)",
(uint)mpSyncState, (uint)newState
);
while (HalDevicesApic.mpSyncState != newState)
{
;
}
}
private static void AnnounceApFail(int nextCpu)
{
MpSyncState localMpState = mpSyncState;
DebugStub.Print("MpState {0}", __arglist(localMpState));
DebugStub.Break();
Platform bi = Platform.ThePlatform;
DebugStub.Print("Cpu {0} failed. ",
__arglist(nextCpu));
DebugStub.Print("GotBack-> Status {0} Count {1:x8}\n",
__arglist(bi.MpStatus32, bi.MpCpuCount));
}
private static void SetMpSyncState(MpSyncState newState)
{
Tracing.Log(Tracing.Debug, "Changing MP sync state {0} -> {1}",
(uint)mpSyncState, (uint)newState);
mpSyncState = newState;
}