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EmulatorPkg/Mpservice: Add StateLock where missing 

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chen Fan <chen.fan.fnst@cn.fujitsu.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15730 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Chen Fan 2014-07-31 15:45:27 +00:00 committed by jljusten
parent 0dd40e1460
commit a31a3b4a3e
1 changed files with 14 additions and 3 deletions
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17
EmulatorPkg/CpuRuntimeDxe/MpService.c
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@ -437,17 +437,17 @@ CpuMpServicesStartupAllAps (
// state 1 by 1, until the previous 1 finished its task
// if not "SingleThread", all APs are put to ready state from the beginning
//
gThread->MutexLock(ProcessorData->StateLock);
if (ProcessorData->State == CPU_STATE_IDLE) {
gMPSystem.StartCount++;
gThread->MutexLock (ProcessorData->StateLock);
ProcessorData->State = APInitialState;
gThread->MutexUnlock (ProcessorData->StateLock);
gMPSystem.StartCount++;
if (SingleThread) {
APInitialState = CPU_STATE_BLOCKED;
}
} else {
gThread->MutexUnlock (ProcessorData->StateLock);
return EFI_NOT_READY;
}
}
@ -671,9 +671,12 @@ CpuMpServicesStartupThisAP (
return EFI_INVALID_PARAMETER;
}
gThread->MutexLock(gMPSystem.ProcessorData[ProcessorNumber].StateLock);
if (gMPSystem.ProcessorData[ProcessorNumber].State != CPU_STATE_IDLE) {
gThread->MutexUnlock(gMPSystem.ProcessorData[ProcessorNumber].StateLock);
return EFI_NOT_READY;
}
gThread->MutexUnlock(gMPSystem.ProcessorData[ProcessorNumber].StateLock);
if ((WaitEvent != NULL) && gReadToBoot) {
return EFI_UNSUPPORTED;
@ -789,9 +792,12 @@ CpuMpServicesSwitchBSP (
}
ASSERT (Index != gMPSystem.NumberOfProcessors);
gThread->MutexLock (gMPSystem.ProcessorData[ProcessorNumber].StateLock);
if (gMPSystem.ProcessorData[ProcessorNumber].State != CPU_STATE_IDLE) {
gThread->MutexUnlock (gMPSystem.ProcessorData[ProcessorNumber].StateLock);
return EFI_NOT_READY;
}
gThread->MutexUnlock (gMPSystem.ProcessorData[ProcessorNumber].StateLock);
// Skip for now as we need switch a bunch of stack stuff around and it's complex
// May not be worth it?
@ -861,9 +867,12 @@ CpuMpServicesEnableDisableAP (
return EFI_INVALID_PARAMETER;
}
gThread->MutexLock (gMPSystem.ProcessorData[ProcessorNumber].StateLock);
if (gMPSystem.ProcessorData[ProcessorNumber].State != CPU_STATE_IDLE) {
gThread->MutexUnlock (gMPSystem.ProcessorData[ProcessorNumber].StateLock);
return EFI_UNSUPPORTED;
}
gThread->MutexUnlock (gMPSystem.ProcessorData[ProcessorNumber].StateLock);
if (EnableAP) {
if ((gMPSystem.ProcessorData[ProcessorNumber].Info.StatusFlag & PROCESSOR_ENABLED_BIT) == 0 ) {
@ -1019,7 +1028,9 @@ CpuCheckAllAPsStatus (
}
}
gThread->MutexLock (gMPSystem.ProcessorData[ProcessorNumber].StateLock);
gMPSystem.ProcessorData[ProcessorNumber].State = CPU_STATE_IDLE;
gThread->MutexUnlock (gMPSystem.ProcessorData[ProcessorNumber].StateLock);
gMPSystem.FinishCount++;
break;