Revision: 16361
http://sourceforge.net/p/edk2/code/16361
Author: jljusten
Date: 2014-11-13 18:28:10 +0000 (Thu, 13 Nov 2014)
Log Message:
-----------
UefiCpuPkg/CpuDxe: Ap do loop routine to execute procedure
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chen Fan <[email protected]>
Reviewed-by: Jeff Fan <[email protected]>
Modified Paths:
--------------
trunk/edk2/UefiCpuPkg/CpuDxe/CpuMp.c
Modified: trunk/edk2/UefiCpuPkg/CpuDxe/CpuMp.c
===================================================================
--- trunk/edk2/UefiCpuPkg/CpuDxe/CpuMp.c 2014-11-13 18:27:52 UTC (rev
16360)
+++ trunk/edk2/UefiCpuPkg/CpuDxe/CpuMp.c 2014-11-13 18:28:10 UTC (rev
16361)
@@ -1108,10 +1108,41 @@
IN VOID *Context2 OPTIONAL
)
{
- DEBUG ((DEBUG_INFO, "Ap apicid is %d\n", GetApicId ()));
+ UINTN ProcessorNumber;
+ CPU_DATA_BLOCK *CpuData;
+ EFI_AP_PROCEDURE Procedure;
+ VOID *ProcedureArgument;
+ WhoAmI (&mMpServicesTemplate, &ProcessorNumber);
+ CpuData = &mMpSystemData.CpuDatas[ProcessorNumber];
+
AsmApDoneWithCommonStack ();
+ while (TRUE) {
+ while (!AcquireSpinLockOrFail (&CpuData->CpuDataLock)) {
+ CpuPause ();
+ }
+
+ ProcedureArgument = CpuData->Parameter;
+ Procedure = CpuData->Procedure;
+ ReleaseSpinLock (&CpuData->CpuDataLock);
+
+ if (Procedure != NULL) {
+ Procedure (ProcedureArgument);
+
+ while (!AcquireSpinLockOrFail (&CpuData->CpuDataLock)) {
+ CpuPause ();
+ }
+
+ CpuData->Procedure = NULL;
+ ReleaseSpinLock (&CpuData->CpuDataLock);
+
+ SetApState (CpuData, CpuStateFinished);
+ }
+
+ CpuPause ();
+ }
+
CpuSleep ();
CpuDeadLoop ();
}
------------------------------------------------------------------------------
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