(UINTN) mGdtEntries
};
+/**
+ Sort the APIC ID of all processors.
+
+ This function sorts the APIC ID of all processors so that processor number is
+ assigned in the ascending order of APIC ID which eases MP debugging.
+
+ @param PeiCpuMpData Pointer to PEI CPU MP Data
+**/
+VOID
+SortApicId (
+ IN PEI_CPU_MP_DATA *PeiCpuMpData
+ )
+{
+ UINTN Index1;
+ UINTN Index2;
+ UINTN Index3;
+ UINT32 ApicId;
+ EFI_HEALTH_FLAGS Health;
+ UINT32 ApCount;
+
+ ApCount = PeiCpuMpData->CpuCount - 1;
+
+ if (ApCount != 0) {
+ for (Index1 = 0; Index1 < ApCount; Index1++) {
+ Index3 = Index1;
+ //
+ // Sort key is the hardware default APIC ID
+ //
+ ApicId = PeiCpuMpData->CpuData[Index1].ApicId;
+ for (Index2 = Index1 + 1; Index2 <= ApCount; Index2++) {
+ if (ApicId > PeiCpuMpData->CpuData[Index2].ApicId) {
+ Index3 = Index2;
+ ApicId = PeiCpuMpData->CpuData[Index2].ApicId;
+ }
+ }
+ if (Index3 != Index1) {
+ PeiCpuMpData->CpuData[Index3].ApicId = PeiCpuMpData->CpuData[Index1].ApicId;
+ PeiCpuMpData->CpuData[Index1].ApicId = ApicId;
+ Health = PeiCpuMpData->CpuData[Index3].Health;
+ PeiCpuMpData->CpuData[Index3].Health = PeiCpuMpData->CpuData[Index1].Health;
+ PeiCpuMpData->CpuData[Index1].Health = Health;
+ }
+ }
+
+ //
+ // Get the processor number for the BSP
+ //
+ ApicId = GetInitialApicId ();
+ for (Index1 = 0; Index1 < PeiCpuMpData->CpuCount; Index1++) {
+ if (PeiCpuMpData->CpuData[Index1].ApicId == ApicId) {
+ PeiCpuMpData->BspNumber = (UINT32) Index1;
+ break;
+ }
+ }
+ }
+}
/**
This function will be called from AP reset code if BSP uses WakeUpAP.
MicroSecondDelay (PcdGet32 (PcdCpuApInitTimeOutInMicroSeconds));
PeiCpuMpData->InitFlag = 0;
PeiCpuMpData->CpuCount += (UINT32) PeiCpuMpData->MpCpuExchangeInfo->NumApsExecuting;
+ //
+ // Sort BSP/Aps by CPU APIC ID in ascending order
+ //
+ SortApicId (PeiCpuMpData);
DEBUG ((EFI_D_INFO, "CpuMpPei: Find %d processors in system.\n", PeiCpuMpData->CpuCount));
return PeiCpuMpData->CpuCount;