diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/MdeModulePkg/Core/Pei/PeiMain | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/MdeModulePkg/Core/Pei/PeiMain')
| -rw-r--r-- | roms/edk2/MdeModulePkg/Core/Pei/PeiMain/PeiMain.c | 524 |
1 files changed, 524 insertions, 0 deletions
diff --git a/roms/edk2/MdeModulePkg/Core/Pei/PeiMain/PeiMain.c b/roms/edk2/MdeModulePkg/Core/Pei/PeiMain/PeiMain.c new file mode 100644 index 000000000..2ad08878d --- /dev/null +++ b/roms/edk2/MdeModulePkg/Core/Pei/PeiMain/PeiMain.c @@ -0,0 +1,524 @@ +/** @file
+ Pei Core Main Entry Point
+
+Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "PeiMain.h"
+
+EFI_PEI_PPI_DESCRIPTOR mMemoryDiscoveredPpi = {
+ (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
+ &gEfiPeiMemoryDiscoveredPpiGuid,
+ NULL
+};
+
+///
+/// Pei service instance
+///
+EFI_PEI_SERVICES gPs = {
+ {
+ PEI_SERVICES_SIGNATURE,
+ PEI_SERVICES_REVISION,
+ sizeof (EFI_PEI_SERVICES),
+ 0,
+ 0
+ },
+ PeiInstallPpi,
+ PeiReInstallPpi,
+ PeiLocatePpi,
+ PeiNotifyPpi,
+
+ PeiGetBootMode,
+ PeiSetBootMode,
+
+ PeiGetHobList,
+ PeiCreateHob,
+
+ PeiFfsFindNextVolume,
+ PeiFfsFindNextFile,
+ PeiFfsFindSectionData,
+
+ PeiInstallPeiMemory,
+ PeiAllocatePages,
+ PeiAllocatePool,
+ (EFI_PEI_COPY_MEM)CopyMem,
+ (EFI_PEI_SET_MEM)SetMem,
+
+ PeiReportStatusCode,
+ PeiResetSystem,
+
+ &gPeiDefaultCpuIoPpi,
+ &gPeiDefaultPciCfg2Ppi,
+
+ PeiFfsFindFileByName,
+ PeiFfsGetFileInfo,
+ PeiFfsGetVolumeInfo,
+ PeiRegisterForShadow,
+ PeiFfsFindSectionData3,
+ PeiFfsGetFileInfo2,
+ PeiResetSystem2,
+ PeiFreePages,
+};
+
+/**
+ Shadow PeiCore module from flash to installed memory.
+
+ @param PrivateData PeiCore's private data structure
+
+ @return PeiCore function address after shadowing.
+**/
+PEICORE_FUNCTION_POINTER
+ShadowPeiCore (
+ IN PEI_CORE_INSTANCE *PrivateData
+ )
+{
+ EFI_PEI_FILE_HANDLE PeiCoreFileHandle;
+ EFI_PHYSICAL_ADDRESS EntryPoint;
+ EFI_STATUS Status;
+ UINT32 AuthenticationState;
+ UINTN Index;
+ EFI_PEI_CORE_FV_LOCATION_PPI *PeiCoreFvLocationPpi;
+ UINTN PeiCoreFvIndex;
+
+ PeiCoreFileHandle = NULL;
+ //
+ // Default PeiCore is in BFV
+ //
+ PeiCoreFvIndex = 0;
+ //
+ // Find the PEI Core either from EFI_PEI_CORE_FV_LOCATION_PPI indicated FV or BFV
+ //
+ Status = PeiServicesLocatePpi (
+ &gEfiPeiCoreFvLocationPpiGuid,
+ 0,
+ NULL,
+ (VOID **) &PeiCoreFvLocationPpi
+ );
+ if (!EFI_ERROR (Status) && (PeiCoreFvLocationPpi->PeiCoreFvLocation != NULL)) {
+ //
+ // If PeiCoreFvLocation present, the PEI Core should be found from indicated FV
+ //
+ for (Index = 0; Index < PrivateData->FvCount; Index ++) {
+ if (PrivateData->Fv[Index].FvHandle == PeiCoreFvLocationPpi->PeiCoreFvLocation) {
+ PeiCoreFvIndex = Index;
+ break;
+ }
+ }
+ ASSERT (Index < PrivateData->FvCount);
+ }
+ //
+ // Find PEI Core from the given FV index
+ //
+ Status = PrivateData->Fv[PeiCoreFvIndex].FvPpi->FindFileByType (
+ PrivateData->Fv[PeiCoreFvIndex].FvPpi,
+ EFI_FV_FILETYPE_PEI_CORE,
+ PrivateData->Fv[PeiCoreFvIndex].FvHandle,
+ &PeiCoreFileHandle
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Shadow PEI Core into memory so it will run faster
+ //
+ Status = PeiLoadImage (
+ GetPeiServicesTablePointer (),
+ *((EFI_PEI_FILE_HANDLE*)&PeiCoreFileHandle),
+ PEIM_STATE_REGISTER_FOR_SHADOW,
+ &EntryPoint,
+ &AuthenticationState
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Compute the PeiCore's function address after shadowed PeiCore.
+ // _ModuleEntryPoint is PeiCore main function entry
+ //
+ return (PEICORE_FUNCTION_POINTER)((UINTN) EntryPoint + (UINTN) PeiCore - (UINTN) _ModuleEntryPoint);
+}
+
+/**
+ This routine is invoked by main entry of PeiMain module during transition
+ from SEC to PEI. After switching stack in the PEI core, it will restart
+ with the old core data.
+
+ @param SecCoreDataPtr Points to a data structure containing information about the PEI core's operating
+ environment, such as the size and location of temporary RAM, the stack location and
+ the BFV location.
+ @param PpiList Points to a list of one or more PPI descriptors to be installed initially by the PEI core.
+ An empty PPI list consists of a single descriptor with the end-tag
+ EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST. As part of its initialization
+ phase, the PEI Foundation will add these SEC-hosted PPIs to its PPI database such
+ that both the PEI Foundation and any modules can leverage the associated service
+ calls and/or code in these early PPIs
+ @param Data Pointer to old core data that is used to initialize the
+ core's data areas.
+ If NULL, it is first PeiCore entering.
+
+**/
+VOID
+EFIAPI
+PeiCore (
+ IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreDataPtr,
+ IN CONST EFI_PEI_PPI_DESCRIPTOR *PpiList,
+ IN VOID *Data
+ )
+{
+ PEI_CORE_INSTANCE PrivateData;
+ EFI_SEC_PEI_HAND_OFF *SecCoreData;
+ EFI_SEC_PEI_HAND_OFF NewSecCoreData;
+ EFI_STATUS Status;
+ PEI_CORE_TEMP_POINTERS TempPtr;
+ PEI_CORE_INSTANCE *OldCoreData;
+ EFI_PEI_CPU_IO_PPI *CpuIo;
+ EFI_PEI_PCI_CFG2_PPI *PciCfg;
+ EFI_HOB_HANDOFF_INFO_TABLE *HandoffInformationTable;
+ EFI_PEI_TEMPORARY_RAM_DONE_PPI *TemporaryRamDonePpi;
+ UINTN Index;
+
+ //
+ // Retrieve context passed into PEI Core
+ //
+ OldCoreData = (PEI_CORE_INSTANCE *) Data;
+ SecCoreData = (EFI_SEC_PEI_HAND_OFF *) SecCoreDataPtr;
+
+ //
+ // Perform PEI Core phase specific actions.
+ //
+ if (OldCoreData == NULL) {
+ //
+ // If OldCoreData is NULL, means current is the first entry into the PEI Core before memory is available.
+ //
+ ZeroMem (&PrivateData, sizeof (PEI_CORE_INSTANCE));
+ PrivateData.Signature = PEI_CORE_HANDLE_SIGNATURE;
+ CopyMem (&PrivateData.ServiceTableShadow, &gPs, sizeof (gPs));
+ } else {
+ //
+ // Memory is available to the PEI Core. See if the PEI Core has been shadowed to memory yet.
+ //
+ if (OldCoreData->ShadowedPeiCore == NULL) {
+ //
+ // Fixup the PeiCore's private data
+ //
+ OldCoreData->Ps = &OldCoreData->ServiceTableShadow;
+ OldCoreData->CpuIo = &OldCoreData->ServiceTableShadow.CpuIo;
+ if (OldCoreData->HeapOffsetPositive) {
+ OldCoreData->HobList.Raw = (VOID *)(OldCoreData->HobList.Raw + OldCoreData->HeapOffset);
+ if (OldCoreData->UnknownFvInfo != NULL) {
+ OldCoreData->UnknownFvInfo = (PEI_CORE_UNKNOW_FORMAT_FV_INFO *) ((UINT8 *) OldCoreData->UnknownFvInfo + OldCoreData->HeapOffset);
+ }
+ if (OldCoreData->CurrentFvFileHandles != NULL) {
+ OldCoreData->CurrentFvFileHandles = (EFI_PEI_FILE_HANDLE *) ((UINT8 *) OldCoreData->CurrentFvFileHandles + OldCoreData->HeapOffset);
+ }
+ if (OldCoreData->PpiData.PpiList.PpiPtrs != NULL) {
+ OldCoreData->PpiData.PpiList.PpiPtrs = (PEI_PPI_LIST_POINTERS *) ((UINT8 *) OldCoreData->PpiData.PpiList.PpiPtrs + OldCoreData->HeapOffset);
+ }
+ if (OldCoreData->PpiData.CallbackNotifyList.NotifyPtrs != NULL) {
+ OldCoreData->PpiData.CallbackNotifyList.NotifyPtrs = (PEI_PPI_LIST_POINTERS *) ((UINT8 *) OldCoreData->PpiData.CallbackNotifyList.NotifyPtrs + OldCoreData->HeapOffset);
+ }
+ if (OldCoreData->PpiData.DispatchNotifyList.NotifyPtrs != NULL) {
+ OldCoreData->PpiData.DispatchNotifyList.NotifyPtrs = (PEI_PPI_LIST_POINTERS *) ((UINT8 *) OldCoreData->PpiData.DispatchNotifyList.NotifyPtrs + OldCoreData->HeapOffset);
+ }
+ OldCoreData->Fv = (PEI_CORE_FV_HANDLE *) ((UINT8 *) OldCoreData->Fv + OldCoreData->HeapOffset);
+ for (Index = 0; Index < OldCoreData->FvCount; Index ++) {
+ if (OldCoreData->Fv[Index].PeimState != NULL) {
+ OldCoreData->Fv[Index].PeimState = (UINT8 *) OldCoreData->Fv[Index].PeimState + OldCoreData->HeapOffset;
+ }
+ if (OldCoreData->Fv[Index].FvFileHandles != NULL) {
+ OldCoreData->Fv[Index].FvFileHandles = (EFI_PEI_FILE_HANDLE *) ((UINT8 *) OldCoreData->Fv[Index].FvFileHandles + OldCoreData->HeapOffset);
+ }
+ }
+ OldCoreData->TempFileGuid = (EFI_GUID *) ((UINT8 *) OldCoreData->TempFileGuid + OldCoreData->HeapOffset);
+ OldCoreData->TempFileHandles = (EFI_PEI_FILE_HANDLE *) ((UINT8 *) OldCoreData->TempFileHandles + OldCoreData->HeapOffset);
+ } else {
+ OldCoreData->HobList.Raw = (VOID *)(OldCoreData->HobList.Raw - OldCoreData->HeapOffset);
+ if (OldCoreData->UnknownFvInfo != NULL) {
+ OldCoreData->UnknownFvInfo = (PEI_CORE_UNKNOW_FORMAT_FV_INFO *) ((UINT8 *) OldCoreData->UnknownFvInfo - OldCoreData->HeapOffset);
+ }
+ if (OldCoreData->CurrentFvFileHandles != NULL) {
+ OldCoreData->CurrentFvFileHandles = (EFI_PEI_FILE_HANDLE *) ((UINT8 *) OldCoreData->CurrentFvFileHandles - OldCoreData->HeapOffset);
+ }
+ if (OldCoreData->PpiData.PpiList.PpiPtrs != NULL) {
+ OldCoreData->PpiData.PpiList.PpiPtrs = (PEI_PPI_LIST_POINTERS *) ((UINT8 *) OldCoreData->PpiData.PpiList.PpiPtrs - OldCoreData->HeapOffset);
+ }
+ if (OldCoreData->PpiData.CallbackNotifyList.NotifyPtrs != NULL) {
+ OldCoreData->PpiData.CallbackNotifyList.NotifyPtrs = (PEI_PPI_LIST_POINTERS *) ((UINT8 *) OldCoreData->PpiData.CallbackNotifyList.NotifyPtrs - OldCoreData->HeapOffset);
+ }
+ if (OldCoreData->PpiData.DispatchNotifyList.NotifyPtrs != NULL) {
+ OldCoreData->PpiData.DispatchNotifyList.NotifyPtrs = (PEI_PPI_LIST_POINTERS *) ((UINT8 *) OldCoreData->PpiData.DispatchNotifyList.NotifyPtrs - OldCoreData->HeapOffset);
+ }
+ OldCoreData->Fv = (PEI_CORE_FV_HANDLE *) ((UINT8 *) OldCoreData->Fv - OldCoreData->HeapOffset);
+ for (Index = 0; Index < OldCoreData->FvCount; Index ++) {
+ if (OldCoreData->Fv[Index].PeimState != NULL) {
+ OldCoreData->Fv[Index].PeimState = (UINT8 *) OldCoreData->Fv[Index].PeimState - OldCoreData->HeapOffset;
+ }
+ if (OldCoreData->Fv[Index].FvFileHandles != NULL) {
+ OldCoreData->Fv[Index].FvFileHandles = (EFI_PEI_FILE_HANDLE *) ((UINT8 *) OldCoreData->Fv[Index].FvFileHandles - OldCoreData->HeapOffset);
+ }
+ }
+ OldCoreData->TempFileGuid = (EFI_GUID *) ((UINT8 *) OldCoreData->TempFileGuid - OldCoreData->HeapOffset);
+ OldCoreData->TempFileHandles = (EFI_PEI_FILE_HANDLE *) ((UINT8 *) OldCoreData->TempFileHandles - OldCoreData->HeapOffset);
+ }
+
+ //
+ // Fixup for PeiService's address
+ //
+ SetPeiServicesTablePointer ((CONST EFI_PEI_SERVICES **)&OldCoreData->Ps);
+
+ //
+ // Initialize libraries that the PEI Core is linked against
+ //
+ ProcessLibraryConstructorList (NULL, (CONST EFI_PEI_SERVICES **)&OldCoreData->Ps);
+
+ //
+ // Update HandOffHob for new installed permanent memory
+ //
+ HandoffInformationTable = OldCoreData->HobList.HandoffInformationTable;
+ if (OldCoreData->HeapOffsetPositive) {
+ HandoffInformationTable->EfiEndOfHobList = HandoffInformationTable->EfiEndOfHobList + OldCoreData->HeapOffset;
+ } else {
+ HandoffInformationTable->EfiEndOfHobList = HandoffInformationTable->EfiEndOfHobList - OldCoreData->HeapOffset;
+ }
+ HandoffInformationTable->EfiMemoryTop = OldCoreData->PhysicalMemoryBegin + OldCoreData->PhysicalMemoryLength;
+ HandoffInformationTable->EfiMemoryBottom = OldCoreData->PhysicalMemoryBegin;
+ HandoffInformationTable->EfiFreeMemoryTop = OldCoreData->FreePhysicalMemoryTop;
+ HandoffInformationTable->EfiFreeMemoryBottom = HandoffInformationTable->EfiEndOfHobList + sizeof (EFI_HOB_GENERIC_HEADER);
+
+ //
+ // We need convert MemoryBaseAddress in memory allocation HOBs
+ //
+ ConvertMemoryAllocationHobs (OldCoreData);
+
+ //
+ // We need convert the PPI descriptor's pointer
+ //
+ ConvertPpiPointers (SecCoreData, OldCoreData);
+
+ //
+ // After the whole temporary memory is migrated, then we can allocate page in
+ // permanent memory.
+ //
+ OldCoreData->PeiMemoryInstalled = TRUE;
+
+ //
+ // Indicate that PeiCore reenter
+ //
+ OldCoreData->PeimDispatcherReenter = TRUE;
+
+ if (PcdGet64(PcdLoadModuleAtFixAddressEnable) != 0 && (OldCoreData->HobList.HandoffInformationTable->BootMode != BOOT_ON_S3_RESUME)) {
+ //
+ // if Loading Module at Fixed Address is enabled, allocate the PEI code memory range usage bit map array.
+ // Every bit in the array indicate the status of the corresponding memory page available or not
+ //
+ OldCoreData->PeiCodeMemoryRangeUsageBitMap = AllocateZeroPool (((PcdGet32(PcdLoadFixAddressPeiCodePageNumber)>>6) + 1)*sizeof(UINT64));
+ }
+
+ //
+ // Shadow PEI Core. When permanent memory is available, shadow
+ // PEI Core and PEIMs to get high performance.
+ //
+ OldCoreData->ShadowedPeiCore = (PEICORE_FUNCTION_POINTER) (UINTN) PeiCore;
+ if (PcdGetBool (PcdMigrateTemporaryRamFirmwareVolumes) ||
+ (HandoffInformationTable->BootMode == BOOT_ON_S3_RESUME && PcdGetBool (PcdShadowPeimOnS3Boot)) ||
+ (HandoffInformationTable->BootMode != BOOT_ON_S3_RESUME && PcdGetBool (PcdShadowPeimOnBoot))) {
+ OldCoreData->ShadowedPeiCore = ShadowPeiCore (OldCoreData);
+ }
+
+ //
+ // PEI Core has now been shadowed to memory. Restart PEI Core in memory.
+ //
+ OldCoreData->ShadowedPeiCore (SecCoreData, PpiList, OldCoreData);
+
+ //
+ // Should never reach here.
+ //
+ ASSERT (FALSE);
+ CpuDeadLoop();
+
+ UNREACHABLE ();
+ }
+
+ //
+ // Memory is available to the PEI Core and the PEI Core has been shadowed to memory.
+ //
+ CopyMem (&NewSecCoreData, SecCoreDataPtr, sizeof (NewSecCoreData));
+ SecCoreData = &NewSecCoreData;
+
+ CopyMem (&PrivateData, OldCoreData, sizeof (PrivateData));
+
+ CpuIo = (VOID*)PrivateData.ServiceTableShadow.CpuIo;
+ PciCfg = (VOID*)PrivateData.ServiceTableShadow.PciCfg;
+
+ CopyMem (&PrivateData.ServiceTableShadow, &gPs, sizeof (gPs));
+
+ PrivateData.ServiceTableShadow.CpuIo = CpuIo;
+ PrivateData.ServiceTableShadow.PciCfg = PciCfg;
+ }
+
+ //
+ // Cache a pointer to the PEI Services Table that is either in temporary memory or permanent memory
+ //
+ PrivateData.Ps = &PrivateData.ServiceTableShadow;
+
+ //
+ // Save PeiServicePointer so that it can be retrieved anywhere.
+ //
+ SetPeiServicesTablePointer ((CONST EFI_PEI_SERVICES **)&PrivateData.Ps);
+
+ //
+ // Initialize libraries that the PEI Core is linked against
+ //
+ ProcessLibraryConstructorList (NULL, (CONST EFI_PEI_SERVICES **)&PrivateData.Ps);
+
+ //
+ // Initialize PEI Core Services
+ //
+ InitializeMemoryServices (&PrivateData, SecCoreData, OldCoreData);
+
+ //
+ // Update performance measurements
+ //
+ if (OldCoreData == NULL) {
+ PERF_EVENT ("SEC"); // Means the end of SEC phase.
+
+ //
+ // If first pass, start performance measurement.
+ //
+ PERF_CROSSMODULE_BEGIN ("PEI");
+ PERF_INMODULE_BEGIN ("PreMem");
+
+ } else {
+ PERF_INMODULE_END ("PreMem");
+ PERF_INMODULE_BEGIN ("PostMem");
+ }
+
+ //
+ // Complete PEI Core Service initialization
+ //
+ InitializeSecurityServices (&PrivateData.Ps, OldCoreData);
+ InitializeDispatcherData (&PrivateData, OldCoreData, SecCoreData);
+ InitializeImageServices (&PrivateData, OldCoreData);
+
+ //
+ // Perform PEI Core Phase specific actions
+ //
+ if (OldCoreData == NULL) {
+ //
+ // Report Status Code EFI_SW_PC_INIT
+ //
+ REPORT_STATUS_CODE (
+ EFI_PROGRESS_CODE,
+ (EFI_SOFTWARE_PEI_CORE | EFI_SW_PC_INIT)
+ );
+
+ //
+ // If SEC provided the PpiList, process it.
+ //
+ if (PpiList != NULL) {
+ ProcessPpiListFromSec ((CONST EFI_PEI_SERVICES **) &PrivateData.Ps, PpiList);
+ }
+ } else {
+ if (PcdGetBool (PcdMigrateTemporaryRamFirmwareVolumes)) {
+ //
+ // When PcdMigrateTemporaryRamFirmwareVolumes is TRUE, alway shadow all
+ // PEIMs no matter the condition of PcdShadowPeimOnBoot and PcdShadowPeimOnS3Boot
+ //
+ DEBUG ((DEBUG_VERBOSE, "PPI lists before temporary RAM evacuation:\n"));
+ DumpPpiList (&PrivateData);
+
+ //
+ // Migrate installed content from Temporary RAM to Permanent RAM
+ //
+ EvacuateTempRam (&PrivateData, SecCoreData);
+
+ DEBUG ((DEBUG_VERBOSE, "PPI lists after temporary RAM evacuation:\n"));
+ DumpPpiList (&PrivateData);
+ }
+
+ //
+ // Try to locate Temporary RAM Done Ppi.
+ //
+ Status = PeiServicesLocatePpi (
+ &gEfiTemporaryRamDonePpiGuid,
+ 0,
+ NULL,
+ (VOID**)&TemporaryRamDonePpi
+ );
+ if (!EFI_ERROR (Status)) {
+ //
+ // Disable the use of Temporary RAM after the transition from Temporary RAM to Permanent RAM is complete.
+ //
+ TemporaryRamDonePpi->TemporaryRamDone ();
+ }
+
+ //
+ // Alert any listeners that there is permanent memory available
+ //
+ PERF_INMODULE_BEGIN ("DisMem");
+ Status = PeiServicesInstallPpi (&mMemoryDiscoveredPpi);
+
+ //
+ // Process the Notify list and dispatch any notifies for the Memory Discovered PPI
+ //
+ ProcessDispatchNotifyList (&PrivateData);
+
+ PERF_INMODULE_END ("DisMem");
+ }
+
+ //
+ // Call PEIM dispatcher
+ //
+ PeiDispatcher (SecCoreData, &PrivateData);
+
+ if (PrivateData.HobList.HandoffInformationTable->BootMode != BOOT_ON_S3_RESUME) {
+ //
+ // Check if InstallPeiMemory service was called on non-S3 resume boot path.
+ //
+ ASSERT(PrivateData.PeiMemoryInstalled == TRUE);
+ }
+
+ //
+ // Measure PEI Core execution time.
+ //
+ PERF_INMODULE_END ("PostMem");
+
+ //
+ // Lookup DXE IPL PPI
+ //
+ Status = PeiServicesLocatePpi (
+ &gEfiDxeIplPpiGuid,
+ 0,
+ NULL,
+ (VOID **)&TempPtr.DxeIpl
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ if (EFI_ERROR (Status)) {
+ //
+ // Report status code to indicate DXE IPL PPI could not be found.
+ //
+ REPORT_STATUS_CODE (
+ EFI_ERROR_CODE | EFI_ERROR_MAJOR,
+ (EFI_SOFTWARE_PEI_CORE | EFI_SW_PEI_CORE_EC_DXEIPL_NOT_FOUND)
+ );
+ CpuDeadLoop ();
+ }
+
+ //
+ // Enter DxeIpl to load Dxe core.
+ //
+ DEBUG ((EFI_D_INFO, "DXE IPL Entry\n"));
+ Status = TempPtr.DxeIpl->Entry (
+ TempPtr.DxeIpl,
+ &PrivateData.Ps,
+ PrivateData.HobList
+ );
+ //
+ // Should never reach here.
+ //
+ ASSERT_EFI_ERROR (Status);
+ CpuDeadLoop();
+
+ UNREACHABLE ();
+}
|