diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.c b/UefiCpuPkg/Library/MpInitLib/MpLib.c index d32adf0780..d5077e080e 100644 --- a/UefiCpuPkg/Library/MpInitLib/MpLib.c +++ b/UefiCpuPkg/Library/MpInitLib/MpLib.c @@ -548,7 +548,8 @@ InitializeApData ( IN UINT64 ApTopOfStack ) { - CPU_INFO_IN_HOB *CpuInfoInHob; + CPU_INFO_IN_HOB *CpuInfoInHob; + MSR_IA32_PLATFORM_ID_REGISTER PlatformIdMsr; CpuInfoInHob = (CPU_INFO_IN_HOB *) (UINTN) CpuMpData->CpuInfoInHob; CpuInfoInHob[ProcessorNumber].InitialApicId = GetInitialApicId (); @@ -559,6 +560,17 @@ InitializeApData ( CpuMpData->CpuData[ProcessorNumber].Waiting = FALSE; CpuMpData->CpuData[ProcessorNumber].CpuHealthy = (BistData == 0) ? TRUE : FALSE; + PlatformIdMsr.Uint64 = AsmReadMsr64 (MSR_IA32_PLATFORM_ID); + CpuMpData->CpuData[ProcessorNumber].PlatformId = (UINT8) PlatformIdMsr.Bits.PlatformId; + + AsmCpuid ( + CPUID_VERSION_INFO, + &CpuMpData->CpuData[ProcessorNumber].ProcessorSignature, + NULL, + NULL, + NULL + ); + InitializeSpinLock(&CpuMpData->CpuData[ProcessorNumber].ApLock); SetApState (&CpuMpData->CpuData[ProcessorNumber], CpuStateIdle); } diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.h b/UefiCpuPkg/Library/MpInitLib/MpLib.h index 8fa07b12c5..4440dc2701 100644 --- a/UefiCpuPkg/Library/MpInitLib/MpLib.h +++ b/UefiCpuPkg/Library/MpInitLib/MpLib.h @@ -122,6 +122,8 @@ typedef struct { UINT64 CurrentTime; UINT64 TotalTime; EFI_EVENT WaitEvent; + UINT32 ProcessorSignature; + UINT8 PlatformId; } CPU_AP_DATA; //