diff options
| -rw-r--r-- | UefiCpuPkg/CpuMpPei/PeiMpServices.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/UefiCpuPkg/CpuMpPei/PeiMpServices.c b/UefiCpuPkg/CpuMpPei/PeiMpServices.c index 503778fd93..625c24a6f4 100644 --- a/UefiCpuPkg/CpuMpPei/PeiMpServices.c +++ b/UefiCpuPkg/CpuMpPei/PeiMpServices.c @@ -804,6 +804,16 @@ PeiSwitchBSP ( ApicBaseMsr.Uint64 = AsmReadMsr64 (MSR_IA32_APIC_BASE_ADDRESS);
ApicBaseMsr.Bits.Bsp = 1;
AsmWriteMsr64 (MSR_IA32_APIC_BASE_ADDRESS, ApicBaseMsr.Uint64);
+ //
+ // Set old BSP enable state
+ //
+ if (!EnableOldBSP) {
+ PeiCpuMpData->CpuData[PeiCpuMpData->BspNumber].State = CpuStateDisabled;
+ }
+ //
+ // Save new BSP number
+ //
+ PeiCpuMpData->BspNumber = (UINT32) ProcessorNumber;
return EFI_SUCCESS;
}
|