-/*++\r
-\r
-Copyright (c) 2006, Intel Corporation\r
-All rights reserved. This program and the accompanying materials\r
+/** @file\r
+ Pei Core Main Entry Point\r
+ \r
+Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>\r
+This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
http://opensource.org/licenses/bsd-license.php\r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
-Module Name:\r
-\r
- PeiMain.c\r
-\r
-Abstract:\r
-\r
- Pei Core Main Entry Point\r
-\r
-Revision History\r
+**/\r
\r
---*/\r
+#include "PeiMain.h"\r
\r
-#include <PeiMain.h>\r
-\r
-static EFI_PEI_PPI_DESCRIPTOR mMemoryDiscoveredPpi = {\r
+EFI_PEI_PPI_DESCRIPTOR mMemoryDiscoveredPpi = {\r
(EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r
&gEfiPeiMemoryDiscoveredPpiGuid,\r
NULL\r
};\r
\r
-//\r
-// Pei Core Module Variables\r
-//\r
-//\r
-static EFI_PEI_SERVICES mPS = {\r
+///\r
+/// Pei service instance\r
+///\r
+EFI_PEI_SERVICES gPs = {\r
{\r
PEI_SERVICES_SIGNATURE,\r
PEI_SERVICES_REVISION,\r
PeiGetHobList,\r
PeiCreateHob,\r
\r
- PeiFvFindNextVolume,\r
+ PeiFfsFindNextVolume,\r
PeiFfsFindNextFile,\r
PeiFfsFindSectionData,\r
\r
PeiReportStatusCode,\r
PeiResetSystem,\r
\r
- NULL,\r
- NULL,\r
+ &gPeiDefaultCpuIoPpi,\r
+ &gPeiDefaultPciCfg2Ppi,\r
\r
PeiFfsFindFileByName,\r
PeiFfsGetFileInfo,\r
PeiFfsGetVolumeInfo,\r
- PeiRegisterForShadow\r
+ PeiRegisterForShadow,\r
+ PeiFfsFindSectionData3,\r
+ PeiFfsGetFileInfo2,\r
+ PeiResetSystem2\r
};\r
\r
-EFI_STATUS\r
-EFIAPI\r
-PeiCore (\r
- IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData,\r
- IN CONST EFI_PEI_PPI_DESCRIPTOR *PpiList,\r
- IN VOID *Data\r
+/**\r
+ Shadow PeiCore module from flash to installed memory.\r
+ \r
+ @param PrivateData PeiCore's private data structure\r
+\r
+ @return PeiCore function address after shadowing.\r
+**/\r
+PEICORE_FUNCTION_POINTER\r
+ShadowPeiCore (\r
+ IN PEI_CORE_INSTANCE *PrivateData\r
)\r
-/*++\r
+{\r
+ EFI_PEI_FILE_HANDLE PeiCoreFileHandle;\r
+ EFI_PHYSICAL_ADDRESS EntryPoint;\r
+ EFI_STATUS Status;\r
+ UINT32 AuthenticationState;\r
\r
-Routine Description:\r
+ PeiCoreFileHandle = NULL;\r
\r
- The entry routine to Pei Core, invoked by PeiMain during transition\r
+ //\r
+ // Find the PEI Core in the BFV\r
+ //\r
+ Status = PrivateData->Fv[0].FvPpi->FindFileByType (\r
+ PrivateData->Fv[0].FvPpi,\r
+ EFI_FV_FILETYPE_PEI_CORE,\r
+ PrivateData->Fv[0].FvHandle,\r
+ &PeiCoreFileHandle\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+ //\r
+ // Shadow PEI Core into memory so it will run faster\r
+ //\r
+ Status = PeiLoadImage (\r
+ GetPeiServicesTablePointer (),\r
+ *((EFI_PEI_FILE_HANDLE*)&PeiCoreFileHandle),\r
+ PEIM_STATE_REGISITER_FOR_SHADOW,\r
+ &EntryPoint,\r
+ &AuthenticationState\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+ //\r
+ // Compute the PeiCore's function address after shaowed PeiCore.\r
+ // _ModuleEntryPoint is PeiCore main function entry\r
+ //\r
+ return (PEICORE_FUNCTION_POINTER)((UINTN) EntryPoint + (UINTN) PeiCore - (UINTN) _ModuleEntryPoint);\r
+}\r
+\r
+/**\r
+ This routine is invoked by main entry of PeiMain module during transition\r
from SEC to PEI. After switching stack in the PEI core, it will restart\r
with the old core data.\r
\r
-Arguments:\r
-\r
- SecCoreData - Points to a data structure containing information about the PEI core's operating\r
+ @param SecCoreDataPtr Points to a data structure containing information about the PEI core's operating\r
environment, such as the size and location of temporary RAM, the stack location and\r
the BFV location.\r
- PpiList - Points to a list of one or more PPI descriptors to be installed initially by the PEI core.\r
+ @param PpiList Points to a list of one or more PPI descriptors to be installed initially by the PEI core.\r
An empty PPI list consists of a single descriptor with the end-tag\r
EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST. As part of its initialization\r
phase, the PEI Foundation will add these SEC-hosted PPIs to its PPI database such\r
that both the PEI Foundation and any modules can leverage the associated service\r
calls and/or code in these early PPIs\r
- Data - Pointer to old core data that is used to initialize the\r
+ @param Data Pointer to old core data that is used to initialize the\r
core's data areas.\r
+ If NULL, it is first PeiCore entering.\r
\r
-Returns:\r
-\r
- This function never returns\r
- EFI_NOT_FOUND - Never reach\r
-\r
---*/\r
+**/\r
+VOID\r
+EFIAPI\r
+PeiCore (\r
+ IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreDataPtr,\r
+ IN CONST EFI_PEI_PPI_DESCRIPTOR *PpiList,\r
+ IN VOID *Data\r
+ )\r
{\r
- PEI_CORE_INSTANCE PrivateData;\r
- EFI_STATUS Status;\r
- PEI_CORE_TEMP_POINTERS TempPtr;\r
- UINT64 mTick;\r
- PEI_CORE_INSTANCE *OldCoreData;\r
- EFI_PEI_CPU_IO_PPI *CpuIo;\r
- EFI_PEI_PCI_CFG2_PPI *PciCfg;\r
- PEI_CORE_ENTRY_POINT ShadowedPeiCore;\r
-\r
- mTick = 0;\r
+ PEI_CORE_INSTANCE PrivateData;\r
+ EFI_SEC_PEI_HAND_OFF *SecCoreData;\r
+ EFI_SEC_PEI_HAND_OFF NewSecCoreData;\r
+ EFI_STATUS Status;\r
+ PEI_CORE_TEMP_POINTERS TempPtr;\r
+ PEI_CORE_INSTANCE *OldCoreData;\r
+ EFI_PEI_CPU_IO_PPI *CpuIo;\r
+ EFI_PEI_PCI_CFG2_PPI *PciCfg;\r
+ EFI_HOB_HANDOFF_INFO_TABLE *HandoffInformationTable;\r
+ EFI_PEI_TEMPORARY_RAM_DONE_PPI *TemporaryRamDonePpi;\r
+ UINTN Index;\r
+ \r
+ //\r
+ // Retrieve context passed into PEI Core\r
+ //\r
OldCoreData = (PEI_CORE_INSTANCE *) Data;\r
+ SecCoreData = (EFI_SEC_PEI_HAND_OFF *) SecCoreDataPtr;\r
\r
- if (PerformanceMeasurementEnabled()) {\r
- if (OldCoreData == NULL) {\r
- mTick = GetPerformanceCounter ();\r
+ //\r
+ // Perform PEI Core phase specific actions.\r
+ //\r
+ if (OldCoreData == NULL) {\r
+ //\r
+ // If OldCoreData is NULL, means current is the first entry into the PEI Core before memory is available.\r
+ //\r
+ ZeroMem (&PrivateData, sizeof (PEI_CORE_INSTANCE));\r
+ PrivateData.Signature = PEI_CORE_HANDLE_SIGNATURE;\r
+ CopyMem (&PrivateData.ServiceTableShadow, &gPs, sizeof (gPs));\r
+ } else {\r
+ //\r
+ // Memory is available to the PEI Core. See if the PEI Core has been shadowed to memory yet.\r
+ //\r
+ if (OldCoreData->ShadowedPeiCore == NULL) {\r
+ //\r
+ // Fixup the PeiCore's private data\r
+ //\r
+ OldCoreData->Ps = &OldCoreData->ServiceTableShadow;\r
+ OldCoreData->CpuIo = &OldCoreData->ServiceTableShadow.CpuIo;\r
+ if (OldCoreData->HeapOffsetPositive) {\r
+ OldCoreData->HobList.Raw = (VOID *)(OldCoreData->HobList.Raw + OldCoreData->HeapOffset);\r
+ OldCoreData->UnknownFvInfo = (PEI_CORE_UNKNOW_FORMAT_FV_INFO *) ((UINT8 *) OldCoreData->UnknownFvInfo + OldCoreData->HeapOffset);\r
+ OldCoreData->CurrentFvFileHandles = (EFI_PEI_FILE_HANDLE *) ((UINT8 *) OldCoreData->CurrentFvFileHandles + OldCoreData->HeapOffset);\r
+ OldCoreData->PpiData.PpiListPtrs = (PEI_PPI_LIST_POINTERS *) ((UINT8 *) OldCoreData->PpiData.PpiListPtrs + OldCoreData->HeapOffset);\r
+ OldCoreData->Fv = (PEI_CORE_FV_HANDLE *) ((UINT8 *) OldCoreData->Fv + OldCoreData->HeapOffset);\r
+ for (Index = 0; Index < PcdGet32 (PcdPeiCoreMaxFvSupported); Index ++) {\r
+ OldCoreData->Fv[Index].PeimState = (UINT8 *) OldCoreData->Fv[Index].PeimState + OldCoreData->HeapOffset;\r
+ OldCoreData->Fv[Index].FvFileHandles = (EFI_PEI_FILE_HANDLE *) ((UINT8 *) OldCoreData->Fv[Index].FvFileHandles + OldCoreData->HeapOffset);\r
+ }\r
+ OldCoreData->FileGuid = (EFI_GUID *) ((UINT8 *) OldCoreData->FileGuid + OldCoreData->HeapOffset);\r
+ OldCoreData->FileHandles = (EFI_PEI_FILE_HANDLE *) ((UINT8 *) OldCoreData->FileHandles + OldCoreData->HeapOffset);\r
+ } else {\r
+ OldCoreData->HobList.Raw = (VOID *)(OldCoreData->HobList.Raw - OldCoreData->HeapOffset);\r
+ OldCoreData->UnknownFvInfo = (PEI_CORE_UNKNOW_FORMAT_FV_INFO *) ((UINT8 *) OldCoreData->UnknownFvInfo - OldCoreData->HeapOffset);\r
+ OldCoreData->CurrentFvFileHandles = (EFI_PEI_FILE_HANDLE *) ((UINT8 *) OldCoreData->CurrentFvFileHandles - OldCoreData->HeapOffset);\r
+ OldCoreData->PpiData.PpiListPtrs = (PEI_PPI_LIST_POINTERS *) ((UINT8 *) OldCoreData->PpiData.PpiListPtrs - OldCoreData->HeapOffset);\r
+ OldCoreData->Fv = (PEI_CORE_FV_HANDLE *) ((UINT8 *) OldCoreData->Fv - OldCoreData->HeapOffset);\r
+ for (Index = 0; Index < PcdGet32 (PcdPeiCoreMaxFvSupported); Index ++) {\r
+ OldCoreData->Fv[Index].PeimState = (UINT8 *) OldCoreData->Fv[Index].PeimState - OldCoreData->HeapOffset;\r
+ OldCoreData->Fv[Index].FvFileHandles = (EFI_PEI_FILE_HANDLE *) ((UINT8 *) OldCoreData->Fv[Index].FvFileHandles - OldCoreData->HeapOffset);\r
+ }\r
+ OldCoreData->FileGuid = (EFI_GUID *) ((UINT8 *) OldCoreData->FileGuid - OldCoreData->HeapOffset);\r
+ OldCoreData->FileHandles = (EFI_PEI_FILE_HANDLE *) ((UINT8 *) OldCoreData->FileHandles - OldCoreData->HeapOffset);\r
+ }\r
+\r
+ //\r
+ // Initialize libraries that the PEI Core is linked against\r
+ //\r
+ ProcessLibraryConstructorList (NULL, (CONST EFI_PEI_SERVICES **)&OldCoreData->Ps);\r
+ \r
+ //\r
+ // Fixup for PeiService's address\r
+ //\r
+ SetPeiServicesTablePointer ((CONST EFI_PEI_SERVICES **)&OldCoreData->Ps);\r
+\r
+ //\r
+ // Update HandOffHob for new installed permenent memory\r
+ //\r
+ HandoffInformationTable = OldCoreData->HobList.HandoffInformationTable;\r
+ if (OldCoreData->HeapOffsetPositive) {\r
+ HandoffInformationTable->EfiEndOfHobList = HandoffInformationTable->EfiEndOfHobList + OldCoreData->HeapOffset;\r
+ } else {\r
+ HandoffInformationTable->EfiEndOfHobList = HandoffInformationTable->EfiEndOfHobList - OldCoreData->HeapOffset;\r
+ }\r
+ HandoffInformationTable->EfiMemoryTop = OldCoreData->PhysicalMemoryBegin + OldCoreData->PhysicalMemoryLength;\r
+ HandoffInformationTable->EfiMemoryBottom = OldCoreData->PhysicalMemoryBegin;\r
+ HandoffInformationTable->EfiFreeMemoryTop = OldCoreData->FreePhysicalMemoryTop;\r
+ HandoffInformationTable->EfiFreeMemoryBottom = HandoffInformationTable->EfiEndOfHobList + sizeof (EFI_HOB_GENERIC_HEADER);\r
+\r
+ //\r
+ // We need convert the PPI descriptor's pointer\r
+ //\r
+ ConvertPpiPointers (SecCoreData, OldCoreData);\r
+\r
+ //\r
+ // After the whole temporary memory is migrated, then we can allocate page in\r
+ // permenent memory.\r
+ //\r
+ OldCoreData->PeiMemoryInstalled = TRUE;\r
+\r
+ //\r
+ // Indicate that PeiCore reenter\r
+ //\r
+ OldCoreData->PeimDispatcherReenter = TRUE;\r
+ \r
+ if (PcdGet64(PcdLoadModuleAtFixAddressEnable) != 0 && (OldCoreData->HobList.HandoffInformationTable->BootMode != BOOT_ON_S3_RESUME)) {\r
+ //\r
+ // if Loading Module at Fixed Address is enabled, allocate the PEI code memory range usage bit map array.\r
+ // Every bit in the array indicate the status of the corresponding memory page available or not\r
+ //\r
+ OldCoreData->PeiCodeMemoryRangeUsageBitMap = AllocateZeroPool (((PcdGet32(PcdLoadFixAddressPeiCodePageNumber)>>6) + 1)*sizeof(UINT64));\r
+ }\r
+\r
+ //\r
+ // Shadow PEI Core. When permanent memory is avaiable, shadow\r
+ // PEI Core and PEIMs to get high performance.\r
+ //\r
+ OldCoreData->ShadowedPeiCore = (PEICORE_FUNCTION_POINTER) (UINTN) PeiCore;\r
+ if ((HandoffInformationTable->BootMode == BOOT_ON_S3_RESUME && PcdGetBool (PcdShadowPeimOnS3Boot))\r
+ || (HandoffInformationTable->BootMode != BOOT_ON_S3_RESUME && PcdGetBool (PcdShadowPeimOnBoot))) {\r
+ OldCoreData->ShadowedPeiCore = ShadowPeiCore (OldCoreData);\r
+ }\r
+ \r
+ //\r
+ // PEI Core has now been shadowed to memory. Restart PEI Core in memory.\r
+ //\r
+ OldCoreData->ShadowedPeiCore (SecCoreData, PpiList, OldCoreData);\r
+ \r
+ //\r
+ // Should never reach here.\r
+ //\r
+ ASSERT (FALSE);\r
+ CpuDeadLoop();\r
}\r
- }\r
\r
- if (OldCoreData != NULL) {\r
- ShadowedPeiCore = (PEI_CORE_ENTRY_POINT) (UINTN) OldCoreData->ShadowedPeiCore;\r
- if (ShadowedPeiCore != NULL) {\r
- OldCoreData->ShadowedPeiCore = NULL;\r
- ShadowedPeiCore (\r
- SecCoreData,\r
- PpiList,\r
- OldCoreData\r
- );\r
- }\r
+ //\r
+ // Memory is available to the PEI Core and the PEI Core has been shadowed to memory.\r
+ //\r
+ CopyMem (&NewSecCoreData, SecCoreDataPtr, sizeof (NewSecCoreData));\r
+ SecCoreData = &NewSecCoreData;\r
+\r
+ CopyMem (&PrivateData, OldCoreData, sizeof (PrivateData));\r
\r
- CopyMem (&PrivateData, OldCoreData, sizeof (PEI_CORE_INSTANCE));\r
- \r
CpuIo = (VOID*)PrivateData.ServiceTableShadow.CpuIo;\r
PciCfg = (VOID*)PrivateData.ServiceTableShadow.PciCfg;\r
\r
- CopyMem (&PrivateData.ServiceTableShadow, &mPS, sizeof (mPS));\r
+ CopyMem (&PrivateData.ServiceTableShadow, &gPs, sizeof (gPs));\r
\r
PrivateData.ServiceTableShadow.CpuIo = CpuIo;\r
PrivateData.ServiceTableShadow.PciCfg = PciCfg;\r
- } else {\r
- ZeroMem (&PrivateData, sizeof (PEI_CORE_INSTANCE));\r
- PrivateData.Signature = PEI_CORE_HANDLE_SIGNATURE;\r
- CopyMem (&PrivateData.ServiceTableShadow, &mPS, sizeof (mPS));\r
}\r
-\r
- PrivateData.PS = &PrivateData.ServiceTableShadow;\r
-\r
+ \r
//\r
- // Initialize libraries that the PeiCore is linked against\r
- // BUGBUG: The FileHandle is passed in as NULL. Do we look it up or remove it from the lib init?\r
+ // Cache a pointer to the PEI Services Table that is either in temporary memory or permanent memory\r
//\r
- ProcessLibraryConstructorList (NULL, &PrivateData.PS);\r
+ PrivateData.Ps = &PrivateData.ServiceTableShadow;\r
\r
- InitializeMemoryServices (&PrivateData, SecCoreData, OldCoreData);\r
-\r
- InitializePpiServices (&PrivateData, OldCoreData);\r
+ //\r
+ // Initialize libraries that the PEI Core is linked against\r
+ //\r
+ ProcessLibraryConstructorList (NULL, (CONST EFI_PEI_SERVICES **)&PrivateData.Ps);\r
\r
//\r
// Save PeiServicePointer so that it can be retrieved anywhere.\r
//\r
- SetPeiServicesTablePointer(&PrivateData.PS);\r
- \r
- if (OldCoreData != NULL) {\r
+ SetPeiServicesTablePointer ((CONST EFI_PEI_SERVICES **)&PrivateData.Ps);\r
\r
- PERF_END (NULL,"PreMem", NULL, 0);\r
- PERF_START (NULL,"PostMem", NULL, 0);\r
+ //\r
+ // Initialize PEI Core Services\r
+ //\r
+ InitializeMemoryServices (&PrivateData, SecCoreData, OldCoreData);\r
+ if (OldCoreData == NULL) {\r
+ //\r
+ // Initialize PEI Core Private Data Buffer\r
+ //\r
+ PrivateData.PpiData.PpiListPtrs = AllocateZeroPool (sizeof (PEI_PPI_LIST_POINTERS) * PcdGet32 (PcdPeiCoreMaxPpiSupported));\r
+ ASSERT (PrivateData.PpiData.PpiListPtrs != NULL);\r
+ PrivateData.Fv = AllocateZeroPool (sizeof (PEI_CORE_FV_HANDLE) * PcdGet32 (PcdPeiCoreMaxFvSupported));\r
+ ASSERT (PrivateData.Fv != NULL);\r
+ PrivateData.Fv[0].PeimState = AllocateZeroPool (sizeof (UINT8) * PcdGet32 (PcdPeiCoreMaxPeimPerFv) * PcdGet32 (PcdPeiCoreMaxFvSupported));\r
+ ASSERT (PrivateData.Fv[0].PeimState != NULL);\r
+ PrivateData.Fv[0].FvFileHandles = AllocateZeroPool (sizeof (EFI_PEI_FILE_HANDLE) * PcdGet32 (PcdPeiCoreMaxPeimPerFv) * PcdGet32 (PcdPeiCoreMaxFvSupported));\r
+ ASSERT (PrivateData.Fv[0].FvFileHandles != NULL);\r
+ for (Index = 1; Index < PcdGet32 (PcdPeiCoreMaxFvSupported); Index ++) {\r
+ PrivateData.Fv[Index].PeimState = PrivateData.Fv[Index - 1].PeimState + PcdGet32 (PcdPeiCoreMaxPeimPerFv);\r
+ PrivateData.Fv[Index].FvFileHandles = PrivateData.Fv[Index - 1].FvFileHandles + PcdGet32 (PcdPeiCoreMaxPeimPerFv);\r
+ }\r
+ PrivateData.UnknownFvInfo = AllocateZeroPool (sizeof (PEI_CORE_UNKNOW_FORMAT_FV_INFO) * PcdGet32 (PcdPeiCoreMaxFvSupported));\r
+ ASSERT (PrivateData.UnknownFvInfo != NULL);\r
+ PrivateData.CurrentFvFileHandles = AllocateZeroPool (sizeof (EFI_PEI_FILE_HANDLE) * PcdGet32 (PcdPeiCoreMaxPeimPerFv));\r
+ ASSERT (PrivateData.CurrentFvFileHandles != NULL);\r
+ PrivateData.FileGuid = AllocatePool (sizeof (EFI_GUID) * PcdGet32 (PcdPeiCoreMaxPeimPerFv));\r
+ ASSERT (PrivateData.FileGuid != NULL);\r
+ PrivateData.FileHandles = AllocatePool (sizeof (EFI_PEI_FILE_HANDLE) * (PcdGet32 (PcdPeiCoreMaxPeimPerFv) + 1));\r
+ ASSERT (PrivateData.FileHandles != NULL);\r
+ }\r
+ InitializePpiServices (&PrivateData, OldCoreData);\r
+ \r
+ //\r
+ // Update performance measurements \r
+ //\r
+ if (OldCoreData == NULL) {\r
+ PERF_START (NULL, "SEC", NULL, 1);\r
+ PERF_END (NULL, "SEC", NULL, 0);\r
\r
//\r
- // Alert any listeners that there is permanent memory available\r
+ // If first pass, start performance measurement.\r
//\r
- \r
- PERF_START (NULL,"DisMem", NULL, 0);\r
- Status = PeiServicesInstallPpi (&mMemoryDiscoveredPpi);\r
- PERF_END (NULL,"DisMem", NULL, 0);\r
+ PERF_START (NULL,"PEI", NULL, 0);\r
+ PERF_START (NULL,"PreMem", NULL, 0);\r
\r
} else {\r
+ PERF_END (NULL,"PreMem", NULL, 0);\r
+ PERF_START (NULL,"PostMem", NULL, 0);\r
+ }\r
+\r
+ //\r
+ // Complete PEI Core Service initialization\r
+ // \r
+ InitializeSecurityServices (&PrivateData.Ps, OldCoreData);\r
+ InitializeDispatcherData (&PrivateData, OldCoreData, SecCoreData);\r
+ InitializeImageServices (&PrivateData, OldCoreData);\r
\r
+ //\r
+ // Perform PEI Core Phase specific actions\r
+ // \r
+ if (OldCoreData == NULL) {\r
//\r
// Report Status Code EFI_SW_PC_INIT\r
//\r
REPORT_STATUS_CODE (\r
EFI_PROGRESS_CODE,\r
- FixedPcdGet32 (PcdStatusCodeValuePeiCoreEntry)\r
+ (EFI_SOFTWARE_PEI_CORE | EFI_SW_PC_INIT)\r
);\r
-\r
- PERF_START (NULL,"PEI", NULL, mTick);\r
- //\r
- // If first pass, start performance measurement.\r
- //\r
- PERF_START (NULL,"PreMem", NULL, mTick);\r
-\r
+ \r
//\r
// If SEC provided any PPI services to PEI, install them.\r
//\r
Status = PeiServicesInstallPpi (PpiList);\r
ASSERT_EFI_ERROR (Status);\r
}\r
- }\r
+ } else {\r
+ //\r
+ // Try to locate Temporary RAM Done Ppi.\r
+ //\r
+ Status = PeiServicesLocatePpi (\r
+ &gEfiTemporaryRamDonePpiGuid,\r
+ 0,\r
+ NULL,\r
+ (VOID**)&TemporaryRamDonePpi\r
+ );\r
+ if (!EFI_ERROR (Status)) {\r
+ //\r
+ // Disable the use of Temporary RAM after the transition from Temporary RAM to Permanent RAM is complete.\r
+ //\r
+ TemporaryRamDonePpi->TemporaryRamDone ();\r
+ }\r
\r
- InitializeSecurityServices (&PrivateData.PS, OldCoreData);\r
+ //\r
+ // Alert any listeners that there is permanent memory available\r
+ //\r
+ PERF_START (NULL,"DisMem", NULL, 0);\r
+ Status = PeiServicesInstallPpi (&mMemoryDiscoveredPpi);\r
\r
- InitializeDispatcherData (&PrivateData, OldCoreData, SecCoreData);\r
+ //\r
+ // Process the Notify list and dispatch any notifies for the Memory Discovered PPI\r
+ //\r
+ ProcessNotifyList (&PrivateData);\r
\r
- //\r
- // Install Pei Load File PPI. \r
- //\r
- InitializeImageServices (&PrivateData, OldCoreData);\r
+ PERF_END (NULL,"DisMem", NULL, 0);\r
+ }\r
\r
//\r
// Call PEIM dispatcher\r
//\r
PeiDispatcher (SecCoreData, &PrivateData);\r
\r
+ if (PrivateData.HobList.HandoffInformationTable->BootMode != BOOT_ON_S3_RESUME) {\r
+ //\r
+ // Check if InstallPeiMemory service was called on non-S3 resume boot path.\r
+ //\r
+ ASSERT(PrivateData.PeiMemoryInstalled == TRUE);\r
+ }\r
+\r
//\r
- // Check if InstallPeiMemory service was called.\r
+ // Measure PEI Core execution time.\r
//\r
- ASSERT(PrivateData.PeiMemoryInstalled == TRUE);\r
-\r
PERF_END (NULL, "PostMem", NULL, 0);\r
\r
+ //\r
+ // Lookup DXE IPL PPI\r
+ //\r
Status = PeiServicesLocatePpi (\r
&gEfiDxeIplPpiGuid,\r
0,\r
);\r
ASSERT_EFI_ERROR (Status);\r
\r
+ if (EFI_ERROR (Status)) {\r
+ //\r
+ // Report status code to indicate DXE IPL PPI could not be found.\r
+ //\r
+ REPORT_STATUS_CODE (\r
+ EFI_ERROR_CODE | EFI_ERROR_MAJOR,\r
+ (EFI_SOFTWARE_PEI_CORE | EFI_SW_PEI_CORE_EC_DXEIPL_NOT_FOUND)\r
+ );\r
+ CpuDeadLoop ();\r
+ }\r
+\r
+ //\r
+ // Enter DxeIpl to load Dxe core.\r
+ //\r
DEBUG ((EFI_D_INFO, "DXE IPL Entry\n"));\r
Status = TempPtr.DxeIpl->Entry (\r
TempPtr.DxeIpl,\r
- &PrivateData.PS,\r
+ &PrivateData.Ps,\r
PrivateData.HobList\r
);\r
-\r
+ //\r
+ // Should never reach here.\r
+ //\r
ASSERT_EFI_ERROR (Status);\r
-\r
- return EFI_NOT_FOUND;\r
+ CpuDeadLoop();\r
}\r
-\r
-\r
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