-/*++\r
-\r
-Copyright (c) 2006, Intel Corporation\r
+/** @file\r
+ EFI PEI Core dispatch services\r
+ \r
+Copyright (c) 2006 - 2010, Intel Corporation\r
All rights reserved. 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
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
\r
- Dispatcher.c\r
+#include "PeiMain.h"\r
\r
-Abstract:\r
+///\r
+/// temporary memory is filled with this initial value during SEC phase\r
+///\r
+#define INIT_CAR_VALUE 0x5AA55AA5\r
\r
- EFI PEI Core dispatch services\r
+typedef struct {\r
+ EFI_STATUS_CODE_DATA DataHeader;\r
+ EFI_HANDLE Handle;\r
+} PEIM_FILE_HANDLE_EXTENDED_DATA;\r
\r
-Revision History\r
+/**\r
\r
---*/\r
+ Discover all Peims and optional Apriori file in one FV. There is at most one\r
+ Apriori file in one FV.\r
\r
-#include <PeiMain.h>\r
\r
-STATIC\r
-VOID\r
-InvokePeiCore (\r
- VOID *Context1,\r
- VOID *Context2\r
- );\r
+ @param Private Pointer to the private data passed in from caller\r
+ @param CoreFileHandle The instance of PEI_CORE_FV_HANDLE.\r
\r
+**/\r
VOID\r
DiscoverPeimsAndOrderWithApriori (\r
IN PEI_CORE_INSTANCE *Private,\r
- IN EFI_PEI_FV_HANDLE VolumeHandle\r
+ IN PEI_CORE_FV_HANDLE *CoreFileHandle\r
)\r
-/*++\r
-\r
-Routine Description:\r
-\r
- Discover all Peims and optional Apriori file in one FV. There is at most one\r
- Apriori file in one FV.\r
-\r
-Arguments:\r
-\r
- Private - Pointer to the private data passed in from caller\r
- VolumeHandle - Fv handle.\r
-Returns:\r
-\r
- NONE\r
-\r
---*/ \r
{\r
EFI_STATUS Status;\r
EFI_PEI_FV_HANDLE FileHandle;\r
EFI_GUID *Guid;\r
EFI_PEI_FV_HANDLE TempFileHandles[FixedPcdGet32 (PcdPeiCoreMaxPeimPerFv)];\r
EFI_GUID FileGuid[FixedPcdGet32 (PcdPeiCoreMaxPeimPerFv)];\r
-\r
+ EFI_PEI_FIRMWARE_VOLUME_PPI *FvPpi;\r
+ EFI_FV_FILE_INFO FileInfo;\r
+ \r
+ FvPpi = CoreFileHandle->FvPpi;\r
+ \r
//\r
// Walk the FV and find all the PEIMs and the Apriori file.\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 = PeiFindFileEx (\r
- VolumeHandle, \r
- NULL, \r
- PEI_CORE_INTERNAL_FFS_FILE_DISPATCH_TYPE, \r
- &FileHandle,\r
- &AprioriFileHandle\r
- );\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
break;\r
}\r
- \r
+\r
Private->CurrentFvFileHandles[PeimCount] = FileHandle;\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
+ //\r
+ ASSERT (PeimCount < PcdGet32 (PcdPeiCoreMaxPeimPerFv));\r
\r
- Private->AprioriCount = 0; \r
- if (AprioriFileHandle != NULL) {\r
+ //\r
+ // Get Apriori File handle\r
+ //\r
+ Private->AprioriCount = 0;\r
+ Status = FvPpi->FindFileByName (FvPpi, &gPeiAprioriFileNameGuid, &CoreFileHandle->FvHandle, &AprioriFileHandle);\r
+ if (!EFI_ERROR(Status) && AprioriFileHandle != NULL) {\r
//\r
// Read the Apriori file\r
//\r
- Status = PeiServicesFfsFindSectionData (EFI_SECTION_RAW, AprioriFileHandle, (VOID **) &Apriori);\r
+ Status = FvPpi->FindSectionByType (FvPpi, EFI_SECTION_RAW, AprioriFileHandle, (VOID **) &Apriori);\r
if (!EFI_ERROR (Status)) {\r
//\r
// Calculate the number of PEIMs in the A Priori list\r
//\r
- Private->AprioriCount = *(UINT32 *)(((EFI_FFS_FILE_HEADER *)AprioriFileHandle)->Size) & 0x00FFFFFF;\r
- Private->AprioriCount -= sizeof (EFI_FFS_FILE_HEADER) - sizeof (EFI_COMMON_SECTION_HEADER); \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 /= sizeof (EFI_GUID);\r
- \r
- SetMem (FileGuid, sizeof (FileGuid), 0);\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
// quickly from file name to file handle\r
//\r
- CopyMem (&FileGuid[Index], &((EFI_FFS_FILE_HEADER *)Private->CurrentFvFileHandles[Index])->Name,sizeof(EFI_GUID)); \r
+ Status = FvPpi->GetFileInfo (FvPpi, Private->CurrentFvFileHandles[Index], &FileInfo);\r
+ CopyMem (&FileGuid[Index], &FileInfo.FileName, sizeof(EFI_GUID));\r
}\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 avalible PEIMs in Apriori file into TempFileHandles array at first.\r
//\r
Index2 = 0;\r
for (Index = 0; Index2 < Private->AprioriCount; Index++) {\r
}\r
}\r
if (Guid == NULL) {\r
- break; \r
+ break;\r
}\r
PeimIndex = ((UINTN)Guid - (UINTN)&FileGuid[0])/sizeof (EFI_GUID);\r
TempFileHandles[Index] = Private->CurrentFvFileHandles[PeimIndex];\r
// Update valid Aprioricount\r
//\r
Private->AprioriCount = Index;\r
- \r
+\r
//\r
// Add in any PEIMs not in the Apriori file\r
//\r
//Index the end of array contains re-range Pei moudle.\r
//\r
TempFileHandles[Index] = NULL;\r
- \r
+\r
//\r
// Private->CurrentFvFileHandles is currently in PEIM in the FV order.\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
+ // 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
}\r
//\r
Private->Fv[Private->CurrentPeimFvCount].ScanFv = TRUE;\r
CopyMem (Private->Fv[Private->CurrentPeimFvCount].FvFileHandles, Private->CurrentFvFileHandles, sizeof (Private->CurrentFvFileHandles));\r
- \r
+\r
}\r
\r
-VOID\r
-PeiDispatcher (\r
- IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData,\r
- IN PEI_CORE_INSTANCE *Private\r
+/**\r
+ Shadow PeiCore module from flash to installed memory.\r
+ \r
+ @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.\r
+ @param PrivateInMem PeiCore's private data structure\r
+\r
+ @return PeiCore function address after shadowing.\r
+**/\r
+VOID*\r
+ShadowPeiCore(\r
+ IN CONST EFI_PEI_SERVICES **PeiServices,\r
+ IN PEI_CORE_INSTANCE *PrivateInMem\r
)\r
+{\r
+ EFI_PEI_FILE_HANDLE PeiCoreFileHandle;\r
+ EFI_PHYSICAL_ADDRESS EntryPoint;\r
+ EFI_STATUS Status;\r
+ UINT32 AuthenticationState;\r
+\r
+ PeiCoreFileHandle = NULL;\r
+\r
+ //\r
+ // Find the PEI Core in the BFV\r
+ //\r
+ Status = PrivateInMem->Fv[0].FvPpi->FindFileByType (\r
+ PrivateInMem->Fv[0].FvPpi,\r
+ EFI_FV_FILETYPE_PEI_CORE,\r
+ PrivateInMem->Fv[0].FvHandle,\r
+ &PeiCoreFileHandle\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
\r
-/*++\r
+ //\r
+ // Shadow PEI Core into memory so it will run faster\r
+ //\r
+ Status = PeiLoadImage (\r
+ PeiServices,\r
+ *((EFI_PEI_FILE_HANDLE*)&PeiCoreFileHandle),\r
+ PEIM_STATE_REGISITER_FOR_SHADOW,\r
+ &EntryPoint,\r
+ &AuthenticationState\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
\r
-Routine Description:\r
+ //\r
+ // Compute the PeiCore's function address after shaowed PeiCore.\r
+ // _ModuleEntryPoint is PeiCore main function entry\r
+ //\r
+ return (VOID*) ((UINTN) EntryPoint + (UINTN) PeiCore - (UINTN) _ModuleEntryPoint);\r
+}\r
\r
+/**\r
Conduct PEIM dispatch.\r
\r
-Arguments:\r
-\r
- SecCoreData - Points to a data structure containing information about the PEI core's operating\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
- PrivateData - Pointer to the private data passed in from caller\r
- DispatchData - Pointer to PEI_CORE_DISPATCH_DATA data.\r
-\r
-Returns:\r
+ @param Private Pointer to the private data passed in from caller\r
\r
- EFI_SUCCESS - Successfully dispatched PEIM.\r
- EFI_NOT_FOUND - The dispatch failed.\r
-\r
---*/\r
+**/\r
+VOID\r
+PeiDispatcher (\r
+ IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData,\r
+ IN PEI_CORE_INSTANCE *Private\r
+ )\r
{\r
EFI_STATUS Status;\r
UINT32 Index1;\r
UINT32 Index2;\r
- EFI_PEI_SERVICES **PeiServices;\r
- VOID *PrivateInMem;\r
- EFI_PEI_FV_HANDLE VolumeHandle; \r
- EFI_PEI_FILE_HANDLE PeiCoreFileHandle;\r
+ CONST EFI_PEI_SERVICES **PeiServices;\r
EFI_PEI_FILE_HANDLE PeimFileHandle;\r
UINTN FvCount;\r
UINTN PeimCount;\r
UINT32 AuthenticationState;\r
EFI_PHYSICAL_ADDRESS EntryPoint;\r
- EFI_PEIM_ENTRY_POINT PeimEntryPoint;\r
- BOOLEAN PeimNeedingDispatch;\r
- BOOLEAN PeimDispatchOnThisPass;\r
+ EFI_PEIM_ENTRY_POINT2 PeimEntryPoint;\r
UINTN SaveCurrentPeimCount;\r
UINTN SaveCurrentFvCount;\r
EFI_PEI_FILE_HANDLE SaveCurrentFileHandle;\r
- VOID *TopOfStack;\r
- PEI_CORE_PARAMETERS PeiCoreParameters;\r
- EFI_DEVICE_HANDLE_EXTENDED_DATA ExtendedData;\r
+ PEIM_FILE_HANDLE_EXTENDED_DATA ExtendedData;\r
+ EFI_PHYSICAL_ADDRESS NewPermenentMemoryBase;\r
+ TEMPORARY_RAM_SUPPORT_PPI *TemporaryRamSupportPpi;\r
+ EFI_HOB_HANDOFF_INFO_TABLE *OldHandOffTable;\r
+ EFI_HOB_HANDOFF_INFO_TABLE *NewHandOffTable;\r
+ INTN StackOffset;\r
+ INTN HeapOffset;\r
+ PEI_CORE_INSTANCE *PrivateInMem;\r
+ UINT64 NewPeiStackSize;\r
+ UINT64 OldPeiStackSize;\r
+ UINT64 StackGap;\r
EFI_FV_FILE_INFO FvFileInfo;\r
+ UINTN OldCheckingTop;\r
+ UINTN OldCheckingBottom;\r
+ PEI_CORE_FV_HANDLE *CoreFvHandle;\r
\r
-\r
- PeiServices = &Private->PS;\r
+ PeiServices = (CONST EFI_PEI_SERVICES **) &Private->PS;\r
PeimEntryPoint = NULL;\r
PeimFileHandle = NULL;\r
EntryPoint = 0;\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
+ PeimFileHandle = Private->Fv[Index1].FvFileHandles[Index2];\r
Status = PeiLoadImage (\r
- &Private->PS, \r
- PeimFileHandle, \r
- &EntryPoint, \r
+ (CONST EFI_PEI_SERVICES **) &Private->PS,\r
+ PeimFileHandle,\r
+ PEIM_STATE_REGISITER_FOR_SHADOW,\r
+ &EntryPoint,\r
&AuthenticationState\r
);\r
if (Status == EFI_SUCCESS) {\r
//\r
Private->Fv[Index1].PeimState[Index2]++;\r
Private->CurrentFileHandle = PeimFileHandle;\r
- Private->CurrentPeimFvCount = Index1; \r
- Private->CurrentPeimCount = Index2; \r
+ Private->CurrentPeimFvCount = Index1;\r
+ Private->CurrentPeimCount = Index2;\r
//\r
// Call the PEIM entry point\r
//\r
- PeimEntryPoint = (EFI_PEIM_ENTRY_POINT)(UINTN)EntryPoint;\r
- \r
- PERF_START (0, "PEIM", NULL, 0);\r
- PeimEntryPoint(PeimFileHandle, &Private->PS);\r
- PERF_END (0, "PEIM", NULL, 0);\r
- } \r
- \r
+ PeimEntryPoint = (EFI_PEIM_ENTRY_POINT2)(UINTN)EntryPoint;\r
+\r
+ PERF_START (PeimFileHandle, "PEIM", NULL, 0);\r
+ PeimEntryPoint(PeimFileHandle, (const EFI_PEI_SERVICES **) &Private->PS);\r
+ PERF_END (PeimFileHandle, "PEIM", NULL, 0);\r
+ }\r
+\r
//\r
// Process the Notify list and dispatch any notifies for\r
// newly installed PPIs.\r
}\r
}\r
}\r
- Private->CurrentFileHandle = SaveCurrentFileHandle; \r
- Private->CurrentPeimFvCount = SaveCurrentFvCount; \r
- Private->CurrentPeimCount = SaveCurrentPeimCount; \r
+ Private->CurrentFileHandle = SaveCurrentFileHandle;\r
+ Private->CurrentPeimFvCount = SaveCurrentFvCount;\r
+ Private->CurrentPeimCount = SaveCurrentPeimCount;\r
}\r
\r
//\r
// satisfied, this dipatcher should run only once.\r
//\r
do {\r
- PeimNeedingDispatch = FALSE;\r
- PeimDispatchOnThisPass = FALSE;\r
-\r
+ //\r
+ // In case that reenter PeiCore happens, the last pass record is still available. \r
+ //\r
+ if (!Private->PeimDispatcherReenter) {\r
+ Private->PeimNeedingDispatch = FALSE;\r
+ Private->PeimDispatchOnThisPass = FALSE;\r
+ } else {\r
+ Private->PeimDispatcherReenter = FALSE;\r
+ }\r
+ \r
for (FvCount = Private->CurrentPeimFvCount; FvCount < Private->FvCount; FvCount++) {\r
+ CoreFvHandle = FindNextCoreFvHandle (Private, FvCount);\r
+ ASSERT (CoreFvHandle != NULL);\r
+ \r
+ //\r
+ // If the FV has corresponding EFI_PEI_FIRMWARE_VOLUME_PPI instance, then dispatch it.\r
+ //\r
+ if (CoreFvHandle->FvPpi == NULL) {\r
+ continue;\r
+ }\r
+ \r
Private->CurrentPeimFvCount = FvCount;\r
- VolumeHandle = Private->Fv[FvCount].FvHeader;\r
\r
if (Private->CurrentPeimCount == 0) {\r
//\r
// When going through each FV, at first, search Apriori file to\r
- // reorder all PEIMs to ensure the PEIMs in Apriori file to get \r
+ // reorder all PEIMs to ensure the PEIMs in Apriori file to get\r
// dispatch at first.\r
//\r
- DiscoverPeimsAndOrderWithApriori (Private, VolumeHandle);\r
+ DiscoverPeimsAndOrderWithApriori (Private, CoreFvHandle);\r
}\r
\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
+ for (PeimCount = Private->CurrentPeimCount;\r
+ (PeimCount < PcdGet32 (PcdPeiCoreMaxPeimPerFv)) && (Private->CurrentFvFileHandles[PeimCount] != NULL);\r
PeimCount++) {\r
Private->CurrentPeimCount = PeimCount;\r
PeimFileHandle = Private->CurrentFileHandle = Private->CurrentFvFileHandles[PeimCount];\r
\r
if (Private->Fv[FvCount].PeimState[PeimCount] == PEIM_STATE_NOT_DISPATCHED) {\r
if (!DepexSatisfied (Private, PeimFileHandle, PeimCount)) {\r
- PeimNeedingDispatch = TRUE;\r
+ Private->PeimNeedingDispatch = TRUE;\r
} else {\r
- Status = PeiFfsGetFileInfo (PeimFileHandle, &FvFileInfo);\r
+ Status = CoreFvHandle->FvPpi->GetFileInfo (CoreFvHandle->FvPpi, PeimFileHandle, &FvFileInfo);\r
ASSERT_EFI_ERROR (Status);\r
if (FvFileInfo.FileType == EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE) {\r
//\r
// For Fv type file, Produce new FV PPI and FV hob\r
//\r
- Status = ProcessFvFile (PeiServices, PeimFileHandle, &AuthenticationState);\r
+ Status = ProcessFvFile (&Private->Fv[FvCount], PeimFileHandle);\r
+ AuthenticationState = 0;\r
} else {\r
//\r
// For PEIM driver, Load its entry point\r
//\r
Status = PeiLoadImage (\r
- PeiServices, \r
- PeimFileHandle, \r
- &EntryPoint, \r
+ PeiServices,\r
+ PeimFileHandle,\r
+ PEIM_STATE_NOT_DISPATCHED,\r
+ &EntryPoint,\r
&AuthenticationState\r
);\r
}\r
\r
if ((Status == EFI_SUCCESS)) {\r
//\r
- // The PEIM has its dependencies satisfied, and is processed.\r
+ // The PEIM has its dependencies satisfied, and its entry point\r
+ // has been found, so invoke it.\r
//\r
- PERF_START (0, "PEIM", NULL, 0);\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
+ (EFI_SOFTWARE_PEI_CORE | EFI_SW_PC_INIT_BEGIN),\r
(VOID *)(&ExtendedData),\r
sizeof (ExtendedData)\r
);\r
\r
- Status = VerifyPeim (Private, VolumeHandle, PeimFileHandle);\r
+ Status = VerifyPeim (Private, CoreFvHandle->FvHandle, PeimFileHandle);\r
if (Status != EFI_SECURITY_VIOLATION && (AuthenticationState == 0)) {\r
//\r
// PEIM_STATE_NOT_DISPATCHED move to PEIM_STATE_DISPATCHED\r
//\r
Private->Fv[FvCount].PeimState[PeimCount]++;\r
- \r
+\r
if (FvFileInfo.FileType != EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE) {\r
//\r
// Call the PEIM entry point for PEIM driver\r
//\r
- PeimEntryPoint = (EFI_PEIM_ENTRY_POINT)(UINTN)EntryPoint;\r
- PeimEntryPoint (PeimFileHandle, PeiServices);\r
+ PeimEntryPoint = (EFI_PEIM_ENTRY_POINT2)(UINTN)EntryPoint;\r
+ PeimEntryPoint (PeimFileHandle, (const EFI_PEI_SERVICES **) PeiServices);\r
}\r
- //\r
- // One module has been dispatched.\r
- //\r
- PeimDispatchOnThisPass = TRUE;\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
+ (EFI_SOFTWARE_PEI_CORE | EFI_SW_PC_INIT_BEGIN),\r
(VOID *)(&ExtendedData),\r
sizeof (ExtendedData)\r
);\r
- PERF_END (0, "PEIM", NULL, 0);\r
+ PERF_END (PeimFileHandle, "PEIM", NULL, 0);\r
\r
- } else {\r
+ }\r
+\r
+ if (Private->SwitchStackSignal) {\r
//\r
- // If PeiLoadImage fails, the section extraction PPI or Decompress PPI may not be ready,\r
- // we flag that more Peims need to be dispatched.\r
+ // Before switch stack from temporary memory to permenent memory, caculate the heap and stack\r
+ // usage in temporary memory for debuging.\r
//\r
- PeimNeedingDispatch = TRUE;\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, "Total temporary memory: %d bytes.\n", (UINT32)SecCoreData->TemporaryRamSize));\r
+ DEBUG ((EFI_D_INFO, " temporary memory stack ever used: %d bytes.\n",\r
+ (SecCoreData->StackSize - ((UINTN) StackPointer - (UINTN)SecCoreData->StackBase))\r
+ ));\r
+ DEBUG ((EFI_D_INFO, " temporary memory heap used: %d bytes.\n",\r
+ ((UINTN) Private->HobList.HandoffInformationTable->EfiFreeMemoryBottom -\r
+ (UINTN) Private->HobList.Raw)\r
+ ));\r
+ DEBUG_CODE_END ();\r
+ \r
+ //\r
+ // Reserve the size of new stack at bottom of physical memory\r
+ //\r
+ OldPeiStackSize = (UINT64) SecCoreData->StackSize;\r
+ NewPeiStackSize = (RShiftU64 (Private->PhysicalMemoryLength, 1) + EFI_PAGE_MASK) & ~EFI_PAGE_MASK;\r
+ if (PcdGet32(PcdPeiCoreMaxPeiStackSize) > (UINT32) NewPeiStackSize) {\r
+ Private->StackSize = NewPeiStackSize;\r
+ } else {\r
+ Private->StackSize = PcdGet32(PcdPeiCoreMaxPeiStackSize);\r
+ }\r
\r
- //\r
- // Process the Notify list and dispatch any notifies for\r
- // newly installed PPIs.\r
- //\r
- ProcessNotifyList (Private);\r
+ //\r
+ // In theory, the size of new stack in permenent memory should large than\r
+ // 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
+ DEBUG ((EFI_D_INFO, "Old Stack size %d, New stack size %d\n", (INT32) OldPeiStackSize, (INT32) Private->StackSize));\r
+ ASSERT (Private->StackSize >= OldPeiStackSize);\r
+ StackGap = Private->StackSize - OldPeiStackSize;\r
\r
- //\r
- // If permanent memory was discovered and installed by this\r
- // PEIM, shadow PEI Core and switch the stacks to the new memory. \r
- //\r
- if (Private->SwitchStackSignal) {\r
+ //\r
+ // Update HandOffHob for new installed permenent memory\r
+ //\r
+ OldHandOffTable = Private->HobList.HandoffInformationTable;\r
+ OldCheckingBottom = (UINTN)(SecCoreData->TemporaryRamBase);\r
+ OldCheckingTop = (UINTN)(OldCheckingBottom + SecCoreData->TemporaryRamSize);\r
\r
//\r
- // Make sure we don't retry the same PEIM that added memory\r
+ // The whole temporary memory will be migrated to physical memory.\r
+ // CAUTION: The new base is computed accounding to gap of new stack.\r
+ //\r
+ NewPermenentMemoryBase = Private->PhysicalMemoryBegin + StackGap;\r
+ \r
+ //\r
+ // Caculate stack offset and heap offset between temporary memory and new permement \r
+ // memory seperately.\r
+ //\r
+ StackOffset = (UINTN) NewPermenentMemoryBase - (UINTN) SecCoreData->StackBase;\r
+ HeapOffset = (INTN) ((UINTN) Private->PhysicalMemoryBegin + Private->StackSize - \\r
+ (UINTN) SecCoreData->PeiTemporaryRamBase);\r
+ DEBUG ((EFI_D_INFO, "Heap Offset = 0x%lX Stack Offset = 0x%lX\n", (INT64)HeapOffset, (INT64)StackOffset));\r
+ \r
+ //\r
+ // Caculate new HandOffTable and PrivateData address in permenet memory's stack\r
//\r
- Private->CurrentPeimCount++;\r
+ NewHandOffTable = (EFI_HOB_HANDOFF_INFO_TABLE *)((UINTN)OldHandOffTable + HeapOffset);\r
+ PrivateInMem = (PEI_CORE_INSTANCE *)((UINTN) (VOID*) Private + StackOffset);\r
\r
//\r
- // Migrate IDT from CAR into real memory, so after stack switches to\r
- // the new memory, the caller can get memory version PeiServiceTable. \r
+ // TemporaryRamSupportPpi is produced by platform's SEC\r
//\r
- MigrateIdtTable (PeiServices);\r
+ Status = PeiLocatePpi (\r
+ (CONST EFI_PEI_SERVICES **) PeiServices,\r
+ &gEfiTemporaryRamSupportPpiGuid,\r
+ 0,\r
+ NULL,\r
+ (VOID**)&TemporaryRamSupportPpi\r
+ );\r
+\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 invoken temporary Ram support, following code's stack is in \r
+ // memory but not in temporary memory.\r
+ //\r
+ TemporaryRamSupportPpi->TemporaryRamMigration (\r
+ (CONST EFI_PEI_SERVICES **) PeiServices,\r
+ (EFI_PHYSICAL_ADDRESS)(UINTN) SecCoreData->TemporaryRamBase,\r
+ (EFI_PHYSICAL_ADDRESS)(UINTN) NewPermenentMemoryBase,\r
+ SecCoreData->TemporaryRamSize\r
+ );\r
+\r
+ } else {\r
+ //\r
+ // In IA32/x64/Itanium architecture, we need platform provide\r
+ // TEMPORAY_RAM_MIGRATION_PPI.\r
+ //\r
+ ASSERT (FALSE);\r
+ }\r
+\r
\r
//\r
- // Since we are at dispatch level, only the Core's private data \r
- // is preserved, nobody else should have any data on the stack. \r
- // So we need to copy PEI core instance data to memory.\r
//\r
- PrivateInMem = AllocateCopyPool (sizeof (PEI_CORE_INSTANCE), Private);\r
- ASSERT (PrivateInMem != NULL);\r
+ // Fixup the PeiCore's private data\r
+ //\r
+ PrivateInMem->PS = &PrivateInMem->ServiceTableShadow;\r
+ PrivateInMem->CpuIo = &PrivateInMem->ServiceTableShadow.CpuIo;\r
+ PrivateInMem->HobList.Raw = (VOID*) ((UINTN) PrivateInMem->HobList.Raw + HeapOffset);\r
+ PrivateInMem->StackBase = (EFI_PHYSICAL_ADDRESS)(((UINTN)PrivateInMem->PhysicalMemoryBegin + EFI_PAGE_MASK) & ~EFI_PAGE_MASK);\r
+\r
+ PeiServices = (CONST EFI_PEI_SERVICES **) &PrivateInMem->PS;\r
\r
//\r
- // Shadow PEI Core. When permanent memory is avaiable, shadow\r
- // PEI Core and PEIMs to get high performance.\r
+ // Fixup for PeiService's address\r
//\r
- PeiCoreFileHandle = NULL;\r
+ SetPeiServicesTablePointer(PeiServices);\r
+\r
//\r
- // Find the PEI Core in the BFV\r
+ // Update HandOffHob for new installed permenent memory\r
//\r
- Status = PeiFindFileEx (\r
- (EFI_PEI_FV_HANDLE)Private->Fv[0].FvHeader, \r
- NULL, \r
- EFI_FV_FILETYPE_PEI_CORE, \r
- &PeiCoreFileHandle,\r
- NULL\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
- \r
+ NewHandOffTable->EfiEndOfHobList =\r
+ (EFI_PHYSICAL_ADDRESS)((UINTN) NewHandOffTable->EfiEndOfHobList + HeapOffset);\r
+ NewHandOffTable->EfiMemoryTop = PrivateInMem->PhysicalMemoryBegin +\r
+ PrivateInMem->PhysicalMemoryLength;\r
+ NewHandOffTable->EfiMemoryBottom = PrivateInMem->PhysicalMemoryBegin;\r
+ NewHandOffTable->EfiFreeMemoryTop = PrivateInMem->FreePhysicalMemoryTop;\r
+ NewHandOffTable->EfiFreeMemoryBottom = NewHandOffTable->EfiEndOfHobList +\r
+ sizeof (EFI_HOB_GENERIC_HEADER);\r
+\r
//\r
- // Shadow PEI Core into memory so it will run faster\r
+ // We need convert the PPI desciptor's pointer\r
//\r
- Status = PeiLoadImage (PeiServices, PeiCoreFileHandle, &EntryPoint, &AuthenticationState);\r
- ASSERT_EFI_ERROR (Status);\r
- \r
+ ConvertPpiPointers (PrivateInMem, \r
+ OldCheckingBottom, \r
+ OldCheckingTop, \r
+ HeapOffset\r
+ );\r
+\r
+ DEBUG ((EFI_D_INFO, "Stack Hob: BaseAddress=0x%lX Length=0x%lX\n",\r
+ PrivateInMem->StackBase,\r
+ PrivateInMem->StackSize));\r
+ BuildStackHob (PrivateInMem->StackBase, PrivateInMem->StackSize);\r
+\r
//\r
- // Switch to memory based stack and reenter PEI Core that has been\r
- // shadowed to memory.\r
+ // After the whole temporary memory is migrated, then we can allocate page in\r
+ // permenent memory.\r
//\r
+ PrivateInMem->PeiMemoryInstalled = TRUE;\r
+\r
//\r
- // Adjust the top of stack to be aligned at CPU_STACK_ALIGNMENT\r
+ // Indicate that PeiCore reenter\r
//\r
- TopOfStack = (VOID *)((UINTN)Private->StackBase + (UINTN)Private->StackSize - CPU_STACK_ALIGNMENT);\r
- TopOfStack = ALIGN_POINTER (TopOfStack, CPU_STACK_ALIGNMENT);\r
+ PrivateInMem->PeimDispatcherReenter = TRUE;\r
\r
- PeiCoreParameters.SecCoreData = SecCoreData;\r
- PeiCoreParameters.PpiList = NULL;\r
- PeiCoreParameters.Data = PrivateInMem;\r
- ASSERT (PeiCoreParameters.Data != 0);\r
-\r
- PeiSwitchStacks (\r
- InvokePeiCore,\r
- (VOID*) ((UINTN) EntryPoint + ((UINTN) PeiCore - (UINTN) _ModuleEntryPoint)),\r
- (VOID*) &PeiCoreParameters, \r
- TopOfStack,\r
- (VOID*)(UINTN)Private->StackBase\r
- );\r
+ //\r
+ // Shadow PEI Core. When permanent memory is avaiable, shadow\r
+ // PEI Core and PEIMs to get high performance.\r
+ //\r
+ PrivateInMem->ShadowedPeiCore = ShadowPeiCore (\r
+ PeiServices,\r
+ PrivateInMem\r
+ );\r
+ //\r
+ // Process the Notify list and dispatch any notifies for\r
+ // newly installed PPIs.\r
+ //\r
+ ProcessNotifyList (PrivateInMem);\r
+\r
+ //\r
+ // Entry PEI Phase 2\r
+ //\r
+ PeiCore (SecCoreData, NULL, PrivateInMem);\r
+\r
+ //\r
+ // Code should not come here\r
+ //\r
+ ASSERT_EFI_ERROR(FALSE);\r
}\r
\r
+ //\r
+ // Process the Notify list and dispatch any notifies for\r
+ // newly installed PPIs.\r
+ //\r
+ ProcessNotifyList (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
//\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
+ // 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
- PeimEntryPoint (PeimFileHandle, PeiServices);\r
+ ASSERT (PeimEntryPoint != NULL);\r
+ PeimEntryPoint (PeimFileHandle, (const EFI_PEI_SERVICES **) PeiServices);\r
//PERF_END (PeiServices, L"PEIM", PeimFileHandle, 0);\r
- \r
+\r
//\r
// PEIM_STATE_REGISITER_FOR_SHADOW move to PEIM_STATE_DONE\r
//\r
}\r
\r
//\r
- // Before making another pass, we should set Private->CurrentPeimFvCount =0 to go \r
+ // Before making another pass, we should set Private->CurrentPeimFvCount =0 to go\r
// through all the FV.\r
//\r
Private->CurrentPeimFvCount = 0;\r
\r
//\r
- // PeimNeedingDispatch being TRUE means we found a PEIM that did not get \r
+ // PeimNeedingDispatch being TRUE means we found a PEIM that did not get\r
// dispatched. So we need to make another pass\r
//\r
- // PeimDispatchOnThisPass being TRUE means we dispatched a PEIM on this \r
+ // PeimDispatchOnThisPass being TRUE means we dispatched a PEIM on this\r
// pass. If we did not dispatch a PEIM there is no point in trying again\r
// as it will fail the next time too (nothing has changed).\r
//\r
- } while (PeimNeedingDispatch && PeimDispatchOnThisPass);\r
+ } while (Private->PeimNeedingDispatch && Private->PeimDispatchOnThisPass);\r
\r
}\r
\r
-VOID\r
-InitializeDispatcherData (\r
- IN PEI_CORE_INSTANCE *PrivateData,\r
- IN PEI_CORE_INSTANCE *OldCoreData,\r
- IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData\r
- )\r
-/*++\r
-\r
-Routine Description:\r
-\r
+/**\r
Initialize the Dispatcher's data members\r
\r
-Arguments:\r
-\r
- PeiServices - The PEI core services table.\r
- OldCoreData - Pointer to old core data (before switching stack).\r
+ @param PrivateData PeiCore's private data structure\r
+ @param OldCoreData Old data from SecCore\r
NULL if being run in non-permament memory mode.\r
- SecCoreData - Points to a data structure containing information about the PEI core's operating\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
\r
-Returns:\r
-\r
- None.\r
+ @return None.\r
\r
---*/\r
+**/\r
+VOID\r
+InitializeDispatcherData (\r
+ IN PEI_CORE_INSTANCE *PrivateData,\r
+ IN PEI_CORE_INSTANCE *OldCoreData,\r
+ IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData\r
+ )\r
{\r
if (OldCoreData == NULL) {\r
+ PrivateData->PeimDispatcherReenter = FALSE;\r
PeiInitializeFv (PrivateData, SecCoreData);\r
+ } else {\r
+ PeiReinitializeFv (PrivateData);\r
}\r
\r
return;\r
}\r
\r
+/**\r
+ This routine parses the Dependency Expression, if available, and\r
+ decides if the module can be executed.\r
+\r
+\r
+ @param Private PeiCore's private data structure\r
+ @param FileHandle PEIM's file handle\r
+ @param PeimCount Peim count in all dispatched PEIMs.\r
\r
+ @retval TRUE Can be dispatched\r
+ @retval FALSE Cannot be dispatched\r
+\r
+**/\r
BOOLEAN\r
DepexSatisfied (\r
IN PEI_CORE_INSTANCE *Private,\r
IN EFI_PEI_FILE_HANDLE FileHandle,\r
IN UINTN PeimCount\r
)\r
-/*++\r
-\r
-Routine Description:\r
-\r
- This routine parses the Dependency Expression, if available, and\r
- decides if the module can be executed.\r
-\r
-Arguments:\r
- PeiServices - The PEI Service Table\r
- CurrentPeimAddress - Address of the PEIM Firmware File under investigation\r
-\r
-Returns:\r
- TRUE - Can be dispatched\r
- FALSE - Cannot be dispatched\r
-\r
---*/\r
{\r
EFI_STATUS Status;\r
VOID *DepexData;\r
//\r
return TRUE;\r
}\r
- \r
+\r
//\r
- // Depex section not in the encapsulated section. \r
+ // Depex section not in the encapsulated section.\r
//\r
Status = PeiServicesFfsFindSectionData (\r
EFI_SECTION_PEI_DEPEX,\r
- FileHandle, \r
+ FileHandle,\r
(VOID **)&DepexData\r
);\r
\r
This routine enable a PEIM to register itself to shadow when PEI Foundation\r
discovery permanent memory.\r
\r
- @param FileHandle File handle of a PEIM.\r
- \r
- @retval EFI_NOT_FOUND The file handle doesn't point to PEIM itself.\r
- @retval EFI_ALREADY_STARTED Indicate that the PEIM has been registered itself.\r
- @retval EFI_SUCCESS Successfully to register itself.\r
+ @param FileHandle File handle of a PEIM.\r
\r
-**/ \r
+ @retval EFI_NOT_FOUND The file handle doesn't point to PEIM itself.\r
+ @retval EFI_ALREADY_STARTED Indicate that the PEIM has been registered itself.\r
+ @retval EFI_SUCCESS Successfully to register itself.\r
+\r
+**/\r
EFI_STATUS\r
EFIAPI\r
PeiRegisterForShadow (\r
//\r
return EFI_ALREADY_STARTED;\r
}\r
- \r
+\r
Private->Fv[Private->CurrentPeimFvCount].PeimState[Private->CurrentPeimCount] = PEIM_STATE_REGISITER_FOR_SHADOW;\r
\r
return EFI_SUCCESS;\r
}\r
\r
\r
-/**\r
- This routine invoke the PeiCore's entry in new stack environment.\r
-\r
- @param Context1 The first context parameter is entry of PeiCore\r
- @param Context2 The second context parameter is parameter structure point for PeiCore\r
-\r
-**/ \r
-STATIC\r
-VOID\r
-InvokePeiCore (\r
- VOID *Context1,\r
- VOID *Context2\r
- )\r
-{\r
- PEI_CORE_ENTRY_POINT PeiCoreEntryPoint;\r
- PEI_CORE_PARAMETERS *PeiCoreParameters;\r
-\r
- //\r
- // Running on new stack in SEC Core\r
- //\r
-\r
- PeiCoreEntryPoint = (PEI_CORE_ENTRY_POINT) (UINTN) Context1;\r
- PeiCoreParameters = (PEI_CORE_PARAMETERS *)Context2;\r
-\r
- //\r
- // Call PEI Core using new stack\r
- //\r
- PeiCoreEntryPoint (\r
- PeiCoreParameters->SecCoreData,\r
- PeiCoreParameters->PpiList,\r
- PeiCoreParameters->Data\r
- );\r
-\r
- //\r
- // Never returns\r
- //\r
- ASSERT (FALSE);\r
- CpuDeadLoop ();\r
-}\r
-\r
-/**\r
- Get Fv image from the FV type file, then install FV INFO ppi, Build FV hob.\r
-\r
- @param PeiServices Pointer to the PEI Core Services Table.\r
- @param FileHandle File handle of a Fv type file.\r
- @param AuthenticationState Pointer to attestation authentication state of image.\r
-\r
- \r
- @retval EFI_NOT_FOUND FV image can't be found.\r
- @retval EFI_SUCCESS Successfully to process it.\r
-\r
-**/\r
-EFI_STATUS\r
-ProcessFvFile (\r
- IN EFI_PEI_SERVICES **PeiServices,\r
- IN EFI_PEI_FILE_HANDLE FvFileHandle,\r
- OUT UINT32 *AuthenticationState\r
- )\r
-{\r
- EFI_STATUS Status;\r
- EFI_PEI_FV_HANDLE FvImageHandle;\r
- EFI_FV_INFO FvImageInfo;\r
- UINT32 FvAlignment;\r
- VOID *FvBuffer;\r
- EFI_PEI_HOB_POINTERS HobFv2;\r
- \r
- FvBuffer = NULL;\r
- *AuthenticationState = 0;\r
-\r
- //\r
- // Check if this EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE file has already \r
- // been extracted.\r
- //\r
- HobFv2.Raw = GetHobList ();\r
- while ((HobFv2.Raw = GetNextHob (EFI_HOB_TYPE_FV2, HobFv2.Raw)) != NULL) {\r
- if (CompareGuid (&(((EFI_FFS_FILE_HEADER *)FvFileHandle)->Name), &HobFv2.FirmwareVolume2->FileName)) {\r
- //\r
- // this FILE has been dispatched, it will not be dispatched again.\r
- //\r
- return EFI_SUCCESS;\r
- }\r
- HobFv2.Raw = GET_NEXT_HOB (HobFv2);\r
- }\r
- \r
- //\r
- // Find FvImage in FvFile\r
- //\r
- Status = PeiFfsFindSectionData (\r
- (CONST EFI_PEI_SERVICES **) PeiServices,\r
- EFI_SECTION_FIRMWARE_VOLUME_IMAGE,\r
- FvFileHandle,\r
- (VOID **)&FvImageHandle\r
- );\r
- \r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
- //\r
- // Collect FvImage Info.\r
- //\r
- Status = PeiFfsGetVolumeInfo (FvImageHandle, &FvImageInfo);\r
- ASSERT_EFI_ERROR (Status);\r
- //\r
- // FvAlignment must be more than 8 bytes required by FvHeader structure.\r
- //\r
- FvAlignment = 1 << ((FvImageInfo.FvAttributes & EFI_FVB2_ALIGNMENT) >> 16);\r
- if (FvAlignment < 8) {\r
- FvAlignment = 8;\r
- }\r
- // \r
- // Check FvImage\r
- //\r
- if ((UINTN) FvImageInfo.FvStart % FvAlignment != 0) {\r
- FvBuffer = AllocateAlignedPages (EFI_SIZE_TO_PAGES ((UINT32) FvImageInfo.FvSize), FvAlignment);\r
- if (FvBuffer == NULL) {\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
- CopyMem (FvBuffer, FvImageInfo.FvStart, (UINTN) FvImageInfo.FvSize);\r
- //\r
- // Update FvImageInfo after reload FvImage to new aligned memory\r
- //\r
- PeiFfsGetVolumeInfo ((EFI_PEI_FV_HANDLE) FvBuffer, &FvImageInfo);\r
- }\r
- \r
- //\r
- // Install FvPpi and Build FvHob\r
- //\r
- PiLibInstallFvInfoPpi (\r
- NULL,\r
- FvImageInfo.FvStart,\r
- (UINT32) FvImageInfo.FvSize,\r
- &(FvImageInfo.FvName),\r
- &(((EFI_FFS_FILE_HEADER*)FvFileHandle)->Name)\r
- );\r
\r
- //\r
- // Inform HOB consumer phase, i.e. DXE core, the existance of this FV\r
- //\r
- BuildFvHob (\r
- (EFI_PHYSICAL_ADDRESS) (UINTN) FvImageInfo.FvStart,\r
- FvImageInfo.FvSize\r
- );\r
- //\r
- // Makes the encapsulated volume show up in DXE phase to skip processing of\r
- // encapsulated file again.\r
- //\r
- BuildFv2Hob (\r
- (EFI_PHYSICAL_ADDRESS) (UINTN) FvImageInfo.FvStart,\r
- FvImageInfo.FvSize,\r
- &FvImageInfo.FvName,\r
- &(((EFI_FFS_FILE_HEADER *)FvFileHandle)->Name)\r
- );\r
- \r
- return EFI_SUCCESS;\r
-}\r
projects / mirror_edk2.git / blobdiff