/** @file\r
EFI PEI Core dispatch services\r
\r
-Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2006 - 2015, 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
///\r
#define INIT_CAR_VALUE 0x5AA55AA5\r
\r
-typedef struct {\r
- EFI_STATUS_CODE_DATA DataHeader;\r
- EFI_HANDLE Handle;\r
-} PEIM_FILE_HANDLE_EXTENDED_DATA;\r
-\r
/**\r
\r
Discover all Peims and optional Apriori file in one FV. There is at most one\r
)\r
{\r
EFI_STATUS Status;\r
- EFI_PEI_FV_HANDLE FileHandle;\r
+ EFI_PEI_FILE_HANDLE FileHandle;\r
EFI_PEI_FILE_HANDLE AprioriFileHandle;\r
EFI_GUID *Apriori;\r
UINTN Index;\r
UINTN PeimIndex;\r
UINTN PeimCount;\r
EFI_GUID *Guid;\r
- EFI_PEI_FV_HANDLE TempFileHandles[FixedPcdGet32 (PcdPeiCoreMaxPeimPerFv)];\r
- EFI_GUID FileGuid[FixedPcdGet32 (PcdPeiCoreMaxPeimPerFv)];\r
+ EFI_PEI_FILE_HANDLE *TempFileHandles;\r
+ EFI_GUID *FileGuid;\r
EFI_PEI_FIRMWARE_VOLUME_PPI *FvPpi;\r
EFI_FV_FILE_INFO FileInfo;\r
\r
Private->CurrentFvFileHandles[0] = NULL;\r
Guid = NULL;\r
FileHandle = NULL;\r
+ TempFileHandles = Private->FileHandles;\r
+ FileGuid = Private->FileGuid;\r
\r
//\r
// If the current Fv has been scanned, directly get its cachable record.\r
//\r
if (Private->Fv[Private->CurrentPeimFvCount].ScanFv) {\r
- CopyMem (Private->CurrentFvFileHandles, Private->Fv[Private->CurrentPeimFvCount].FvFileHandles, sizeof (Private->CurrentFvFileHandles));\r
+ CopyMem (Private->CurrentFvFileHandles, Private->Fv[Private->CurrentPeimFvCount].FvFileHandles, sizeof (EFI_PEI_FILE_HANDLE) * PcdGet32 (PcdPeiCoreMaxPeimPerFv));\r
return;\r
}\r
\r
//\r
// Go ahead to scan this Fv, and cache FileHandles within it.\r
//\r
- for (PeimCount = 0; PeimCount < FixedPcdGet32 (PcdPeiCoreMaxPeimPerFv); PeimCount++) {\r
+ Status = EFI_NOT_FOUND;\r
+ for (PeimCount = 0; PeimCount <= PcdGet32 (PcdPeiCoreMaxPeimPerFv); PeimCount++) {\r
Status = FvPpi->FindFileByType (FvPpi, PEI_CORE_INTERNAL_FFS_FILE_DISPATCH_TYPE, CoreFileHandle->FvHandle, &FileHandle);\r
- if (Status != EFI_SUCCESS) {\r
+ if (Status != EFI_SUCCESS || PeimCount == PcdGet32 (PcdPeiCoreMaxPeimPerFv)) {\r
break;\r
}\r
\r
Private->CurrentFvFileHandles[PeimCount] = FileHandle;\r
}\r
- \r
+\r
//\r
- // Check whether the count of Peims exceeds the max support PEIMs in a FV image\r
- // If more Peims are required in a FV image, PcdPeiCoreMaxPeimPerFv can be set to a larger value in DSC file.\r
+ // Check whether the count of files exceeds the max support files in a FV image\r
+ // If more files are required in a FV image, PcdPeiCoreMaxPeimPerFv can be set to a larger value in DSC file.\r
//\r
- ASSERT (PeimCount < FixedPcdGet32 (PcdPeiCoreMaxPeimPerFv));\r
+ ASSERT ((Status != EFI_SUCCESS) || (PeimCount < PcdGet32 (PcdPeiCoreMaxPeimPerFv)));\r
\r
//\r
// Get Apriori File handle\r
//\r
Status = FvPpi->GetFileInfo (FvPpi, AprioriFileHandle, &FileInfo);\r
ASSERT_EFI_ERROR (Status);\r
- Private->AprioriCount = FileInfo.BufferSize & 0x00FFFFFF;\r
- Private->AprioriCount -= sizeof (EFI_COMMON_SECTION_HEADER);\r
+ Private->AprioriCount = FileInfo.BufferSize;\r
+ if (IS_SECTION2 (FileInfo.Buffer)) {\r
+ Private->AprioriCount -= sizeof (EFI_COMMON_SECTION_HEADER2);\r
+ } else {\r
+ Private->AprioriCount -= sizeof (EFI_COMMON_SECTION_HEADER);\r
+ }\r
Private->AprioriCount /= sizeof (EFI_GUID);\r
\r
- ZeroMem (FileGuid, sizeof (FileGuid));\r
for (Index = 0; Index < PeimCount; Index++) {\r
//\r
// Make an array of file name guids that matches the FileHandle array so we can convert\r
\r
//\r
// Walk through FileGuid array to find out who is invalid PEIM guid in Apriori file.\r
- // Add avalible PEIMs in Apriori file into TempFileHandles array at first.\r
+ // Add available PEIMs in Apriori file into TempFileHandles array at first.\r
//\r
Index2 = 0;\r
for (Index = 0; Index2 < Private->AprioriCount; Index++) {\r
// We need to update it to start with files in the A Priori list and\r
// then the remaining files in PEIM order.\r
//\r
- CopyMem (Private->CurrentFvFileHandles, TempFileHandles, sizeof (Private->CurrentFvFileHandles));\r
+ CopyMem (Private->CurrentFvFileHandles, TempFileHandles, sizeof (EFI_PEI_FILE_HANDLE) * PcdGet32 (PcdPeiCoreMaxPeimPerFv));\r
}\r
}\r
//\r
// Instead, we can retrieve the file handles within this Fv from cachable data.\r
//\r
Private->Fv[Private->CurrentPeimFvCount].ScanFv = TRUE;\r
- CopyMem (Private->Fv[Private->CurrentPeimFvCount].FvFileHandles, Private->CurrentFvFileHandles, sizeof (Private->CurrentFvFileHandles));\r
+ CopyMem (Private->Fv[Private->CurrentPeimFvCount].FvFileHandles, Private->CurrentFvFileHandles, sizeof (EFI_PEI_FILE_HANDLE) * PcdGet32 (PcdPeiCoreMaxPeimPerFv));\r
\r
}\r
\r
EFI_PEI_HOB_POINTERS CurrentHob;\r
EFI_PEI_HOB_POINTERS Hob;\r
EFI_PEI_HOB_POINTERS NextHob;\r
- EFI_PHYSICAL_ADDRESS MaxMemoryBaseAddress;\r
- UINT64 MaxMemoryLength;\r
EFI_HOB_MEMORY_ALLOCATION *MemoryHob;\r
//\r
// Initialize Local Variables\r
CurrentResourceHob = NULL;\r
ResourceHob = NULL;\r
NextResourceHob = NULL;\r
- MaxMemoryBaseAddress = 0;\r
- MaxMemoryLength = 0;\r
HighAddress = 0;\r
TopLoadingAddress = 0;\r
MemoryRangeEnd = 0;\r
//\r
// If range described in this hob is not system memory or heigher than MAX_ADDRESS, ignored.\r
//\r
- if (ResourceHob->ResourceType != EFI_RESOURCE_SYSTEM_MEMORY &&\r
+ if (ResourceHob->ResourceType != EFI_RESOURCE_SYSTEM_MEMORY ||\r
ResourceHob->PhysicalStart + ResourceHob->ResourceLength > MAX_ADDRESS) {\r
continue;\r
} \r
//\r
// If range described in this hob is not system memory or heigher than MAX_ADDRESS, ignored.\r
//\r
- if (NextResourceHob->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY && NextResourceHob->PhysicalStart + NextResourceHob->ResourceLength > MAX_ADDRESS) {\r
+ if (NextResourceHob->ResourceType != EFI_RESOURCE_SYSTEM_MEMORY || NextResourceHob->PhysicalStart + NextResourceHob->ResourceLength > MAX_ADDRESS) {\r
continue;\r
}\r
//\r
PrivateData->PhysicalMemoryBegin = TopLoadingAddress - TotalReservedMemorySize;\r
PrivateData->FreePhysicalMemoryTop = PrivateData->PhysicalMemoryBegin + PeiMemorySize;\r
}\r
+\r
+/**\r
+ This routine is invoked in switch stack as PeiCore Entry.\r
+\r
+ @param SecCoreData 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
+ @param Private Pointer to old core data that is used to initialize the\r
+ core's data areas.\r
+**/\r
+VOID\r
+EFIAPI\r
+PeiCoreEntry (\r
+ IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData,\r
+ IN PEI_CORE_INSTANCE *Private\r
+ )\r
+{\r
+ //\r
+ // Entry PEI Phase 2\r
+ //\r
+ PeiCore (SecCoreData, NULL, Private);\r
+}\r
+\r
+/**\r
+ Check SwitchStackSignal and switch stack if SwitchStackSignal is TRUE.\r
+\r
+ @param[in] SecCoreData 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
+ @param[in] Private Pointer to the private data passed in from caller.\r
+\r
+**/\r
+VOID\r
+PeiCheckAndSwitchStack (\r
+ IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData,\r
+ IN PEI_CORE_INSTANCE *Private\r
+ )\r
+{\r
+ VOID *LoadFixPeiCodeBegin;\r
+ EFI_STATUS Status;\r
+ CONST EFI_PEI_SERVICES **PeiServices;\r
+ UINT64 NewStackSize;\r
+ EFI_PHYSICAL_ADDRESS TopOfOldStack;\r
+ EFI_PHYSICAL_ADDRESS TopOfNewStack;\r
+ UINTN StackOffset;\r
+ BOOLEAN StackOffsetPositive;\r
+ EFI_PHYSICAL_ADDRESS TemporaryRamBase;\r
+ UINTN TemporaryRamSize;\r
+ UINTN TemporaryStackSize;\r
+ VOID *TemporaryStackBase;\r
+ UINTN PeiTemporaryRamSize;\r
+ VOID *PeiTemporaryRamBase;\r
+ EFI_PEI_TEMPORARY_RAM_SUPPORT_PPI *TemporaryRamSupportPpi;\r
+ EFI_PHYSICAL_ADDRESS BaseOfNewHeap;\r
+ EFI_PHYSICAL_ADDRESS HoleMemBase;\r
+ UINTN HoleMemSize;\r
+ UINTN HeapTemporaryRamSize;\r
+ EFI_PHYSICAL_ADDRESS TempBase1;\r
+ UINTN TempSize1;\r
+ EFI_PHYSICAL_ADDRESS TempBase2;\r
+ UINTN TempSize2;\r
+ UINTN Index;\r
+\r
+ PeiServices = (CONST EFI_PEI_SERVICES **) &Private->Ps;\r
+\r
+ if (Private->SwitchStackSignal) {\r
+ //\r
+ // Before switch stack from temporary memory to permenent memory, calculate the heap and stack\r
+ // usage in temporary memory for debuging.\r
+ //\r
+ DEBUG_CODE_BEGIN ();\r
+ UINT32 *StackPointer;\r
+\r
+ for (StackPointer = (UINT32*)SecCoreData->StackBase;\r
+ (StackPointer < (UINT32*)((UINTN)SecCoreData->StackBase + SecCoreData->StackSize)) \\r
+ && (*StackPointer == INIT_CAR_VALUE);\r
+ StackPointer ++);\r
+\r
+ DEBUG ((EFI_D_INFO, "Temp Stack : BaseAddress=0x%p Length=0x%X\n", SecCoreData->StackBase, (UINT32)SecCoreData->StackSize));\r
+ DEBUG ((EFI_D_INFO, "Temp Heap : BaseAddress=0x%p Length=0x%X\n", Private->HobList.Raw, (UINT32)((UINTN) Private->HobList.HandoffInformationTable->EfiFreeMemoryBottom - (UINTN) Private->HobList.Raw)));\r
+ DEBUG ((EFI_D_INFO, "Total temporary memory: %d bytes.\n", (UINT32)SecCoreData->TemporaryRamSize));\r
+ DEBUG ((EFI_D_INFO, " temporary memory stack ever used: %d bytes.\n",\r
+ (UINT32)(SecCoreData->StackSize - ((UINTN) StackPointer - (UINTN)SecCoreData->StackBase))\r
+ ));\r
+ DEBUG ((EFI_D_INFO, " temporary memory heap used: %d bytes.\n",\r
+ (UINT32)((UINTN)Private->HobList.HandoffInformationTable->EfiFreeMemoryBottom - (UINTN)Private->HobList.Raw)\r
+ ));\r
+ DEBUG_CODE_END ();\r
+\r
+ if (PcdGet64(PcdLoadModuleAtFixAddressEnable) != 0 && (Private->HobList.HandoffInformationTable->BootMode != BOOT_ON_S3_RESUME)) {\r
+ //\r
+ // Loading Module at Fixed Address is enabled\r
+ //\r
+ PeiLoadFixAddressHook (Private);\r
+\r
+ //\r
+ // If Loading Module at Fixed Address is enabled, Allocating memory range for Pei code range.\r
+ //\r
+ LoadFixPeiCodeBegin = AllocatePages((UINTN)PcdGet32(PcdLoadFixAddressPeiCodePageNumber));\r
+ DEBUG ((EFI_D_INFO, "LOADING MODULE FIXED INFO: PeiCodeBegin = 0x%lX, PeiCodeTop= 0x%lX\n", (UINT64)(UINTN)LoadFixPeiCodeBegin, (UINT64)((UINTN)LoadFixPeiCodeBegin + PcdGet32(PcdLoadFixAddressPeiCodePageNumber) * EFI_PAGE_SIZE)));\r
+ }\r
+\r
+ //\r
+ // Reserve the size of new stack at bottom of physical memory\r
+ //\r
+ // The size of new stack in permenent memory must be the same size \r
+ // or larger than the size of old stack in temporary memory.\r
+ // But if new stack is smaller than the size of old stack, we also reserve\r
+ // the size of old stack at bottom of permenent memory.\r
+ //\r
+ NewStackSize = RShiftU64 (Private->PhysicalMemoryLength, 1);\r
+ NewStackSize = ALIGN_VALUE (NewStackSize, EFI_PAGE_SIZE);\r
+ NewStackSize = MIN (PcdGet32(PcdPeiCoreMaxPeiStackSize), NewStackSize);\r
+ DEBUG ((EFI_D_INFO, "Old Stack size %d, New stack size %d\n", (UINT32)SecCoreData->StackSize, (UINT32)NewStackSize));\r
+ ASSERT (NewStackSize >= SecCoreData->StackSize);\r
+\r
+ //\r
+ // Calculate stack offset and heap offset between temporary memory and new permement \r
+ // memory seperately.\r
+ //\r
+ TopOfOldStack = (UINTN)SecCoreData->StackBase + SecCoreData->StackSize;\r
+ TopOfNewStack = Private->PhysicalMemoryBegin + NewStackSize;\r
+ if (TopOfNewStack >= TopOfOldStack) {\r
+ StackOffsetPositive = TRUE;\r
+ StackOffset = (UINTN)(TopOfNewStack - TopOfOldStack);\r
+ } else {\r
+ StackOffsetPositive = FALSE;\r
+ StackOffset = (UINTN)(TopOfOldStack - TopOfNewStack);\r
+ }\r
+ Private->StackOffsetPositive = StackOffsetPositive;\r
+ Private->StackOffset = StackOffset;\r
+\r
+ //\r
+ // Build Stack HOB that describes the permanent memory stack\r
+ //\r
+ DEBUG ((EFI_D_INFO, "Stack Hob: BaseAddress=0x%lX Length=0x%lX\n", TopOfNewStack - NewStackSize, NewStackSize));\r
+ BuildStackHob (TopOfNewStack - NewStackSize, NewStackSize);\r
+\r
+ //\r
+ // Cache information from SecCoreData into locals before SecCoreData is converted to a permanent memory address\r
+ //\r
+ TemporaryRamBase = (EFI_PHYSICAL_ADDRESS)(UINTN)SecCoreData->TemporaryRamBase;\r
+ TemporaryRamSize = SecCoreData->TemporaryRamSize;\r
+ TemporaryStackSize = SecCoreData->StackSize;\r
+ TemporaryStackBase = SecCoreData->StackBase;\r
+ PeiTemporaryRamSize = SecCoreData->PeiTemporaryRamSize;\r
+ PeiTemporaryRamBase = SecCoreData->PeiTemporaryRamBase;\r
+\r
+ //\r
+ // TemporaryRamSupportPpi is produced by platform's SEC\r
+ //\r
+ Status = PeiServicesLocatePpi (\r
+ &gEfiTemporaryRamSupportPpiGuid,\r
+ 0,\r
+ NULL,\r
+ (VOID**)&TemporaryRamSupportPpi\r
+ );\r
+ if (!EFI_ERROR (Status)) {\r
+ //\r
+ // Heap Offset\r
+ //\r
+ BaseOfNewHeap = TopOfNewStack;\r
+ if (BaseOfNewHeap >= (UINTN)SecCoreData->PeiTemporaryRamBase) {\r
+ Private->HeapOffsetPositive = TRUE;\r
+ Private->HeapOffset = (UINTN)(BaseOfNewHeap - (UINTN)SecCoreData->PeiTemporaryRamBase);\r
+ } else {\r
+ Private->HeapOffsetPositive = FALSE;\r
+ Private->HeapOffset = (UINTN)((UINTN)SecCoreData->PeiTemporaryRamBase - BaseOfNewHeap);\r
+ }\r
+\r
+ DEBUG ((EFI_D_INFO, "Heap Offset = 0x%lX Stack Offset = 0x%lX\n", (UINT64) Private->HeapOffset, (UINT64) Private->StackOffset));\r
+\r
+ //\r
+ // Calculate new HandOffTable and PrivateData address in permanent memory's stack\r
+ //\r
+ if (StackOffsetPositive) {\r
+ SecCoreData = (CONST EFI_SEC_PEI_HAND_OFF *)((UINTN)(VOID *)SecCoreData + StackOffset);\r
+ Private = (PEI_CORE_INSTANCE *)((UINTN)(VOID *)Private + StackOffset);\r
+ } else {\r
+ SecCoreData = (CONST EFI_SEC_PEI_HAND_OFF *)((UINTN)(VOID *)SecCoreData - StackOffset);\r
+ Private = (PEI_CORE_INSTANCE *)((UINTN)(VOID *)Private - StackOffset);\r
+ }\r
+\r
+ //\r
+ // Temporary Ram Support PPI is provided by platform, it will copy \r
+ // temporary memory to permenent memory and do stack switching.\r
+ // After invoking Temporary Ram Support PPI, the following code's \r
+ // stack is in permanent memory.\r
+ //\r
+ TemporaryRamSupportPpi->TemporaryRamMigration (\r
+ PeiServices,\r
+ TemporaryRamBase,\r
+ (EFI_PHYSICAL_ADDRESS)(UINTN)(TopOfNewStack - TemporaryStackSize),\r
+ TemporaryRamSize\r
+ );\r
+\r
+ //\r
+ // Entry PEI Phase 2\r
+ //\r
+ PeiCore (SecCoreData, NULL, Private);\r
+ } else {\r
+ //\r
+ // Migrate the PEI Services Table pointer from temporary RAM to permanent RAM.\r
+ //\r
+ MigratePeiServicesTablePointer ();\r
+ \r
+ //\r
+ // Heap Offset\r
+ //\r
+ BaseOfNewHeap = TopOfNewStack;\r
+ HoleMemBase = TopOfNewStack;\r
+ HoleMemSize = TemporaryRamSize - PeiTemporaryRamSize - TemporaryStackSize;\r
+ if (HoleMemSize != 0) {\r
+ //\r
+ // Make sure HOB List start address is 8 byte alignment.\r
+ //\r
+ BaseOfNewHeap = ALIGN_VALUE (BaseOfNewHeap + HoleMemSize, 8);\r
+ }\r
+ if (BaseOfNewHeap >= (UINTN)SecCoreData->PeiTemporaryRamBase) {\r
+ Private->HeapOffsetPositive = TRUE;\r
+ Private->HeapOffset = (UINTN)(BaseOfNewHeap - (UINTN)SecCoreData->PeiTemporaryRamBase);\r
+ } else {\r
+ Private->HeapOffsetPositive = FALSE;\r
+ Private->HeapOffset = (UINTN)((UINTN)SecCoreData->PeiTemporaryRamBase - BaseOfNewHeap);\r
+ }\r
+\r
+ DEBUG ((EFI_D_INFO, "Heap Offset = 0x%lX Stack Offset = 0x%lX\n", (UINT64) Private->HeapOffset, (UINT64) Private->StackOffset));\r
+\r
+ //\r
+ // Migrate Heap\r
+ //\r
+ HeapTemporaryRamSize = (UINTN) (Private->HobList.HandoffInformationTable->EfiFreeMemoryBottom - Private->HobList.HandoffInformationTable->EfiMemoryBottom);\r
+ ASSERT (BaseOfNewHeap + HeapTemporaryRamSize <= Private->FreePhysicalMemoryTop);\r
+ CopyMem ((UINT8 *) (UINTN) BaseOfNewHeap, (UINT8 *) PeiTemporaryRamBase, HeapTemporaryRamSize);\r
+\r
+ //\r
+ // Migrate Stack\r
+ //\r
+ CopyMem ((UINT8 *) (UINTN) (TopOfNewStack - TemporaryStackSize), TemporaryStackBase, TemporaryStackSize);\r
+\r
+ //\r
+ // Copy Hole Range Data\r
+ // Convert PPI from Hole. \r
+ //\r
+ if (HoleMemSize != 0) {\r
+ //\r
+ // Prepare Hole\r
+ //\r
+ if (PeiTemporaryRamBase < TemporaryStackBase) {\r
+ TempBase1 = (EFI_PHYSICAL_ADDRESS) (UINTN) PeiTemporaryRamBase;\r
+ TempSize1 = PeiTemporaryRamSize;\r
+ TempBase2 = (EFI_PHYSICAL_ADDRESS) (UINTN) TemporaryStackBase;\r
+ TempSize2 = TemporaryStackSize;\r
+ } else {\r
+ TempBase1 = (EFI_PHYSICAL_ADDRESS) (UINTN) TemporaryStackBase;\r
+ TempSize1 = TemporaryStackSize;\r
+ TempBase2 =(EFI_PHYSICAL_ADDRESS) (UINTN) PeiTemporaryRamBase;\r
+ TempSize2 = PeiTemporaryRamSize;\r
+ }\r
+ if (TemporaryRamBase < TempBase1) {\r
+ Private->HoleData[0].Base = TemporaryRamBase;\r
+ Private->HoleData[0].Size = (UINTN) (TempBase1 - TemporaryRamBase);\r
+ }\r
+ if (TempBase1 + TempSize1 < TempBase2) {\r
+ Private->HoleData[1].Base = TempBase1 + TempSize1;\r
+ Private->HoleData[1].Size = (UINTN) (TempBase2 - TempBase1 - TempSize1);\r
+ }\r
+ if (TempBase2 + TempSize2 < TemporaryRamBase + TemporaryRamSize) {\r
+ Private->HoleData[2].Base = TempBase2 + TempSize2;\r
+ Private->HoleData[2].Size = (UINTN) (TemporaryRamBase + TemporaryRamSize - TempBase2 - TempSize2);\r
+ }\r
+\r
+ //\r
+ // Copy Hole Range data.\r
+ //\r
+ for (Index = 0; Index < HOLE_MAX_NUMBER; Index ++) {\r
+ if (Private->HoleData[Index].Size > 0) {\r
+ if (HoleMemBase > Private->HoleData[Index].Base) {\r
+ Private->HoleData[Index].OffsetPositive = TRUE;\r
+ Private->HoleData[Index].Offset = (UINTN) (HoleMemBase - Private->HoleData[Index].Base);\r
+ } else {\r
+ Private->HoleData[Index].OffsetPositive = FALSE;\r
+ Private->HoleData[Index].Offset = (UINTN) (Private->HoleData[Index].Base - HoleMemBase);\r
+ }\r
+ CopyMem ((VOID *) (UINTN) HoleMemBase, (VOID *) (UINTN) Private->HoleData[Index].Base, Private->HoleData[Index].Size);\r
+ HoleMemBase = HoleMemBase + Private->HoleData[Index].Size;\r
+ }\r
+ }\r
+ }\r
+\r
+ //\r
+ // Switch new stack\r
+ //\r
+ SwitchStack (\r
+ (SWITCH_STACK_ENTRY_POINT)(UINTN)PeiCoreEntry,\r
+ (VOID *) SecCoreData,\r
+ (VOID *) Private,\r
+ (VOID *) (UINTN) TopOfNewStack\r
+ );\r
+ }\r
+\r
+ //\r
+ // Code should not come here\r
+ //\r
+ ASSERT (FALSE);\r
+ }\r
+}\r
+\r
/**\r
Conduct PEIM dispatch.\r
\r
UINTN SaveCurrentPeimCount;\r
UINTN SaveCurrentFvCount;\r
EFI_PEI_FILE_HANDLE SaveCurrentFileHandle;\r
- PEIM_FILE_HANDLE_EXTENDED_DATA ExtendedData;\r
- EFI_PEI_TEMPORARY_RAM_SUPPORT_PPI *TemporaryRamSupportPpi;\r
- UINT64 NewStackSize;\r
- EFI_PHYSICAL_ADDRESS TopOfNewStack;\r
- EFI_PHYSICAL_ADDRESS TopOfOldStack;\r
- EFI_PHYSICAL_ADDRESS TemporaryRamBase;\r
- UINTN TemporaryRamSize;\r
- EFI_PHYSICAL_ADDRESS TemporaryStackSize;\r
- UINTN StackOffset;\r
- BOOLEAN StackOffsetPositive;\r
EFI_FV_FILE_INFO FvFileInfo;\r
PEI_CORE_FV_HANDLE *CoreFvHandle;\r
- VOID *LoadFixPeiCodeBegin;\r
-\r
+ \r
PeiServices = (CONST EFI_PEI_SERVICES **) &Private->Ps;\r
PeimEntryPoint = NULL;\r
PeimFileHandle = NULL;\r
EntryPoint = 0;\r
\r
- if ((Private->PeiMemoryInstalled) && (Private->HobList.HandoffInformationTable->BootMode != BOOT_ON_S3_RESUME)) {\r
+ if ((Private->PeiMemoryInstalled) && (Private->HobList.HandoffInformationTable->BootMode != BOOT_ON_S3_RESUME || PcdGetBool (PcdShadowPeimOnS3Boot))) {\r
//\r
// Once real memory is available, shadow the RegisterForShadow modules. And meanwhile\r
// update the modules' status from PEIM_STATE_REGISITER_FOR_SHADOW to PEIM_STATE_DONE.\r
SaveCurrentFileHandle = Private->CurrentFileHandle;\r
\r
for (Index1 = 0; Index1 <= SaveCurrentFvCount; Index1++) {\r
- for (Index2 = 0; (Index2 < FixedPcdGet32 (PcdPeiCoreMaxPeimPerFv)) && (Private->Fv[Index1].FvFileHandles[Index2] != NULL); Index2++) {\r
+ for (Index2 = 0; (Index2 < PcdGet32 (PcdPeiCoreMaxPeimPerFv)) && (Private->Fv[Index1].FvFileHandles[Index2] != NULL); Index2++) {\r
if (Private->Fv[Index1].PeimState[Index2] == PEIM_STATE_REGISITER_FOR_SHADOW) {\r
PeimFileHandle = Private->Fv[Index1].FvFileHandles[Index2];\r
+ Private->CurrentFileHandle = PeimFileHandle;\r
+ Private->CurrentPeimFvCount = Index1;\r
+ Private->CurrentPeimCount = Index2;\r
Status = PeiLoadImage (\r
(CONST EFI_PEI_SERVICES **) &Private->Ps,\r
PeimFileHandle,\r
// PEIM_STATE_REGISITER_FOR_SHADOW move to PEIM_STATE_DONE\r
//\r
Private->Fv[Index1].PeimState[Index2]++;\r
- Private->CurrentFileHandle = PeimFileHandle;\r
- Private->CurrentPeimFvCount = Index1;\r
- Private->CurrentPeimCount = Index2;\r
//\r
// Call the PEIM entry point\r
//\r
// Start to dispatch all modules within the current Fv.\r
//\r
for (PeimCount = Private->CurrentPeimCount;\r
- (PeimCount < FixedPcdGet32 (PcdPeiCoreMaxPeimPerFv)) && (Private->CurrentFvFileHandles[PeimCount] != NULL);\r
+ (PeimCount < PcdGet32 (PcdPeiCoreMaxPeimPerFv)) && (Private->CurrentFvFileHandles[PeimCount] != NULL);\r
PeimCount++) {\r
Private->CurrentPeimCount = PeimCount;\r
PeimFileHandle = Private->CurrentFileHandle = Private->CurrentFvFileHandles[PeimCount];\r
//\r
// For Fv type file, Produce new FV PPI and FV hob\r
//\r
- Status = ProcessFvFile (&Private->Fv[FvCount], PeimFileHandle);\r
- AuthenticationState = 0;\r
+ Status = ProcessFvFile (Private, &Private->Fv[FvCount], PeimFileHandle);\r
+ if (Status == EFI_SUCCESS) {\r
+ //\r
+ // PEIM_STATE_NOT_DISPATCHED move to PEIM_STATE_DISPATCHED\r
+ //\r
+ Private->Fv[FvCount].PeimState[PeimCount]++;\r
+ Private->PeimDispatchOnThisPass = TRUE;\r
+ }\r
} else {\r
//\r
// For PEIM driver, Load its entry point\r
&EntryPoint,\r
&AuthenticationState\r
);\r
- }\r
-\r
- if (Status == EFI_SUCCESS) {\r
- //\r
- // The PEIM has its dependencies satisfied, and its entry point\r
- // has been found, so invoke it.\r
- //\r
- PERF_START (PeimFileHandle, "PEIM", NULL, 0);\r
-\r
- ExtendedData.Handle = (EFI_HANDLE)PeimFileHandle;\r
-\r
- REPORT_STATUS_CODE_WITH_EXTENDED_DATA (\r
- EFI_PROGRESS_CODE,\r
- (EFI_SOFTWARE_PEI_CORE | EFI_SW_PC_INIT_BEGIN),\r
- (VOID *)(&ExtendedData),\r
- sizeof (ExtendedData)\r
- );\r
-\r
- Status = VerifyPeim (Private, CoreFvHandle->FvHandle, PeimFileHandle);\r
- if (Status != EFI_SECURITY_VIOLATION && (AuthenticationState == 0)) {\r
+ if (Status == EFI_SUCCESS) {\r
//\r
- // PEIM_STATE_NOT_DISPATCHED move to PEIM_STATE_DISPATCHED\r
+ // The PEIM has its dependencies satisfied, and its entry point\r
+ // has been found, so invoke it.\r
//\r
- Private->Fv[FvCount].PeimState[PeimCount]++;\r
+ PERF_START (PeimFileHandle, "PEIM", NULL, 0);\r
+\r
+ REPORT_STATUS_CODE_WITH_EXTENDED_DATA (\r
+ EFI_PROGRESS_CODE,\r
+ (EFI_SOFTWARE_PEI_CORE | EFI_SW_PC_INIT_BEGIN),\r
+ (VOID *)(&PeimFileHandle),\r
+ sizeof (PeimFileHandle)\r
+ );\r
\r
- if (FvFileInfo.FileType != EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE) {\r
+ Status = VerifyPeim (Private, CoreFvHandle->FvHandle, PeimFileHandle, AuthenticationState);\r
+ if (Status != EFI_SECURITY_VIOLATION) {\r
+ //\r
+ // PEIM_STATE_NOT_DISPATCHED move to PEIM_STATE_DISPATCHED\r
+ //\r
+ Private->Fv[FvCount].PeimState[PeimCount]++;\r
//\r
// Call the PEIM entry point for PEIM driver\r
//\r
PeimEntryPoint = (EFI_PEIM_ENTRY_POINT2)(UINTN)EntryPoint;\r
PeimEntryPoint (PeimFileHandle, (const EFI_PEI_SERVICES **) PeiServices);\r
+ Private->PeimDispatchOnThisPass = TRUE;\r
}\r
\r
- Private->PeimDispatchOnThisPass = TRUE;\r
- }\r
-\r
- REPORT_STATUS_CODE_WITH_EXTENDED_DATA (\r
- EFI_PROGRESS_CODE,\r
- (EFI_SOFTWARE_PEI_CORE | EFI_SW_PC_INIT_END),\r
- (VOID *)(&ExtendedData),\r
- sizeof (ExtendedData)\r
- );\r
- PERF_END (PeimFileHandle, "PEIM", NULL, 0);\r
-\r
- }\r
-\r
- if (Private->SwitchStackSignal) {\r
- //\r
- // Before switch stack from temporary memory to permenent memory, caculate the heap and stack\r
- // usage in temporary memory for debuging.\r
- //\r
- DEBUG_CODE_BEGIN ();\r
- UINT32 *StackPointer;\r
- \r
- for (StackPointer = (UINT32*)SecCoreData->StackBase;\r
- (StackPointer < (UINT32*)((UINTN)SecCoreData->StackBase + SecCoreData->StackSize)) \\r
- && (*StackPointer == INIT_CAR_VALUE);\r
- StackPointer ++);\r
- \r
- DEBUG ((EFI_D_INFO, "Temp Stack : BaseAddress=0x%p Length=0x%X\n", SecCoreData->StackBase, (UINT32)SecCoreData->StackSize));\r
- DEBUG ((EFI_D_INFO, "Temp Heap : BaseAddress=0x%p Length=0x%X\n", Private->HobList.Raw, (UINT32)((UINTN) Private->HobList.HandoffInformationTable->EfiFreeMemoryBottom - (UINTN) Private->HobList.Raw)));\r
- DEBUG ((EFI_D_INFO, "Total temporary memory: %d bytes.\n", (UINT32)SecCoreData->TemporaryRamSize));\r
- DEBUG ((EFI_D_INFO, " temporary memory stack ever used: %d bytes.\n",\r
- (UINT32)(SecCoreData->StackSize - ((UINTN) StackPointer - (UINTN)SecCoreData->StackBase))\r
- ));\r
- DEBUG ((EFI_D_INFO, " temporary memory heap used: %d bytes.\n",\r
- (UINT32)((UINTN)Private->HobList.HandoffInformationTable->EfiFreeMemoryBottom - (UINTN)Private->HobList.Raw)\r
- ));\r
- DEBUG_CODE_END ();\r
- \r
- if (PcdGet64(PcdLoadModuleAtFixAddressEnable) != 0 && (Private->HobList.HandoffInformationTable->BootMode != BOOT_ON_S3_RESUME)) {\r
- //\r
- // Loading Module at Fixed Address is enabled\r
- //\r
- PeiLoadFixAddressHook (Private);\r
-\r
- //\r
- // If Loading Module at Fixed Address is enabled, Allocating memory range for Pei code range.\r
- //\r
- LoadFixPeiCodeBegin = AllocatePages((UINTN)PcdGet32(PcdLoadFixAddressPeiCodePageNumber));\r
- DEBUG ((EFI_D_INFO, "LOADING MODULE FIXED INFO: PeiCodeBegin = 0x%lX, PeiCodeTop= 0x%lX\n", (UINT64)(UINTN)LoadFixPeiCodeBegin, (UINT64)((UINTN)LoadFixPeiCodeBegin + PcdGet32(PcdLoadFixAddressPeiCodePageNumber) * EFI_PAGE_SIZE)));\r
- }\r
- \r
- //\r
- // Reserve the size of new stack at bottom of physical memory\r
- //\r
- // The size of new stack in permenent memory must be the same size \r
- // or larger than the size of old stack in temporary memory.\r
- // But if new stack is smaller than the size of old stack, we also reserve\r
- // the size of old stack at bottom of permenent memory.\r
- //\r
- NewStackSize = RShiftU64 (Private->PhysicalMemoryLength, 1);\r
- NewStackSize = ALIGN_VALUE (NewStackSize, EFI_PAGE_SIZE);\r
- NewStackSize = MIN (PcdGet32(PcdPeiCoreMaxPeiStackSize), NewStackSize);\r
- DEBUG ((EFI_D_INFO, "Old Stack size %d, New stack size %d\n", (UINT32)SecCoreData->StackSize, (UINT32)NewStackSize));\r
- ASSERT (NewStackSize >= SecCoreData->StackSize);\r
-\r
- //\r
- // Caculate stack offset and heap offset between temporary memory and new permement \r
- // memory seperately.\r
- //\r
- TopOfOldStack = (UINTN)SecCoreData->StackBase + SecCoreData->StackSize;\r
- TopOfNewStack = Private->PhysicalMemoryBegin + NewStackSize;\r
- if (TopOfNewStack >= (UINTN)SecCoreData->PeiTemporaryRamBase) {\r
- Private->HeapOffsetPositive = TRUE;\r
- Private->HeapOffset = (UINTN)(TopOfNewStack - (UINTN)SecCoreData->PeiTemporaryRamBase);\r
- } else {\r
- Private->HeapOffsetPositive = FALSE;\r
- Private->HeapOffset = (UINTN)((UINTN)SecCoreData->PeiTemporaryRamBase - TopOfNewStack);\r
- }\r
- if (TopOfNewStack >= TopOfOldStack) {\r
- StackOffsetPositive = TRUE;\r
- StackOffset = (UINTN)(TopOfNewStack - TopOfOldStack);\r
- } else {\r
- StackOffsetPositive = FALSE;\r
- StackOffset = (UINTN)(TopOfOldStack - TopOfNewStack);\r
- }\r
- Private->StackOffsetPositive = StackOffsetPositive;\r
- Private->StackOffset = StackOffset;\r
-\r
- DEBUG ((EFI_D_INFO, "Heap Offset = 0x%lX Stack Offset = 0x%lX\n", (UINT64)Private->HeapOffset, (UINT64)(StackOffset)));\r
-\r
- //\r
- // Build Stack HOB that describes the permanent memory stack\r
- //\r
- DEBUG ((EFI_D_INFO, "Stack Hob: BaseAddress=0x%lX Length=0x%lX\n", TopOfNewStack - NewStackSize, NewStackSize));\r
- BuildStackHob (TopOfNewStack - NewStackSize, NewStackSize);\r
-\r
- //\r
- // Cache information from SecCoreData into locals before SecCoreData is converted to a permanent memory address\r
- //\r
- TemporaryRamBase = (EFI_PHYSICAL_ADDRESS)(UINTN)SecCoreData->TemporaryRamBase;\r
- TemporaryRamSize = SecCoreData->TemporaryRamSize;\r
- TemporaryStackSize = SecCoreData->StackSize;\r
-\r
- //\r
- // Caculate new HandOffTable and PrivateData address in permanent memory's stack\r
- //\r
- if (StackOffsetPositive) {\r
- SecCoreData = (CONST EFI_SEC_PEI_HAND_OFF *)((UINTN)(VOID *)SecCoreData + StackOffset);\r
- Private = (PEI_CORE_INSTANCE *)((UINTN)(VOID *)Private + StackOffset);\r
- } else {\r
- SecCoreData = (CONST EFI_SEC_PEI_HAND_OFF *)((UINTN)(VOID *)SecCoreData - StackOffset);\r
- Private = (PEI_CORE_INSTANCE *)((UINTN)(VOID *)Private - StackOffset);\r
- }\r
+ REPORT_STATUS_CODE_WITH_EXTENDED_DATA (\r
+ EFI_PROGRESS_CODE,\r
+ (EFI_SOFTWARE_PEI_CORE | EFI_SW_PC_INIT_END),\r
+ (VOID *)(&PeimFileHandle),\r
+ sizeof (PeimFileHandle)\r
+ );\r
+ PERF_END (PeimFileHandle, "PEIM", NULL, 0);\r
\r
- //\r
- // TemporaryRamSupportPpi is produced by platform's SEC\r
- //\r
- Status = PeiServicesLocatePpi (\r
- &gEfiTemporaryRamSupportPpiGuid,\r
- 0,\r
- NULL,\r
- (VOID**)&TemporaryRamSupportPpi\r
- );\r
- if (!EFI_ERROR (Status)) {\r
- //\r
- // Temporary Ram Support PPI is provided by platform, it will copy \r
- // temporary memory to permenent memory and do stack switching.\r
- // After invoking Temporary Ram Support PPI, the following code's \r
- // stack is in permanent memory.\r
- //\r
- TemporaryRamSupportPpi->TemporaryRamMigration (\r
- PeiServices,\r
- TemporaryRamBase,\r
- (EFI_PHYSICAL_ADDRESS)(UINTN)(TopOfNewStack - TemporaryStackSize),\r
- TemporaryRamSize\r
- );\r
-\r
- } else {\r
- //\r
- // In IA32/x64/Itanium architecture, we need platform provide\r
- // TEMPORARY_RAM_MIGRATION_PPI.\r
- //\r
- ASSERT (FALSE);\r
}\r
-\r
- //\r
- // Entry PEI Phase 2\r
- //\r
- PeiCore (SecCoreData, NULL, Private);\r
-\r
- //\r
- // Code should not come here\r
- //\r
- ASSERT (FALSE);\r
}\r
\r
+ PeiCheckAndSwitchStack (SecCoreData, Private);\r
+\r
//\r
// Process the Notify list and dispatch any notifies for\r
// newly installed PPIs.\r
//\r
ProcessNotifyList (Private);\r
\r
+ //\r
+ // Recheck SwitchStackSignal after ProcessNotifyList()\r
+ // in case PeiInstallPeiMemory() is done in a callback with\r
+ // EFI_PEI_PPI_DESCRIPTOR_NOTIFY_DISPATCH.\r
+ //\r
+ PeiCheckAndSwitchStack (SecCoreData, Private);\r
+\r
if ((Private->PeiMemoryInstalled) && (Private->Fv[FvCount].PeimState[PeimCount] == PEIM_STATE_REGISITER_FOR_SHADOW) && \\r
- (Private->HobList.HandoffInformationTable->BootMode != BOOT_ON_S3_RESUME)) {\r
+ (Private->HobList.HandoffInformationTable->BootMode != BOOT_ON_S3_RESUME || PcdGetBool (PcdShadowPeimOnS3Boot))) {\r
//\r
// If memory is availble we shadow images by default for performance reasons.\r
// We call the entry point a 2nd time so the module knows it's shadowed.\r
//\r
//PERF_START (PeiServices, L"PEIM", PeimFileHandle, 0);\r
+ if ((Private->HobList.HandoffInformationTable->BootMode != BOOT_ON_S3_RESUME) && !PcdGetBool (PcdShadowPeimOnBoot)) {\r
+ //\r
+ // Load PEIM into Memory for Register for shadow PEIM.\r
+ //\r
+ Status = PeiLoadImage (\r
+ PeiServices,\r
+ PeimFileHandle,\r
+ PEIM_STATE_REGISITER_FOR_SHADOW,\r
+ &EntryPoint,\r
+ &AuthenticationState\r
+ );\r
+ if (Status == EFI_SUCCESS) {\r
+ PeimEntryPoint = (EFI_PEIM_ENTRY_POINT2)(UINTN)EntryPoint;\r
+ }\r
+ }\r
ASSERT (PeimEntryPoint != NULL);\r
PeimEntryPoint (PeimFileHandle, (const EFI_PEI_SERVICES **) PeiServices);\r
//PERF_END (PeiServices, L"PEIM", PeimFileHandle, 0);\r
//\r
// Before walking through the next FV,Private->CurrentFvFileHandles[]should set to NULL\r
//\r
- SetMem (Private->CurrentFvFileHandles, sizeof (Private->CurrentFvFileHandles), 0);\r
+ SetMem (Private->CurrentFvFileHandles, sizeof (EFI_PEI_FILE_HANDLE) * PcdGet32 (PcdPeiCoreMaxPeimPerFv), 0);\r
}\r
\r
//\r