X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=MdeModulePkg%2FCore%2FPei%2FPeiMain.h;h=c3102950c558bb457e5568a650b427da44d1a1df;hb=0308e20dc67c63e48211b140558ae3bd13a1cbf5;hp=9e0d7a8530e9704c7f0eb4b10addb70943980c46;hpb=0c2b5da80e9551286cd02a92d91090290ae2d816;p=mirror_edk2.git diff --git a/MdeModulePkg/Core/Pei/PeiMain.h b/MdeModulePkg/Core/Pei/PeiMain.h index 9e0d7a8530..c3102950c5 100644 --- a/MdeModulePkg/Core/Pei/PeiMain.h +++ b/MdeModulePkg/Core/Pei/PeiMain.h @@ -1,6 +1,7 @@ -/*++ - -Copyright (c) 2006 - 2007, Intel Corporation +/** @file + Definition of Pei Core Structures and Services + +Copyright (c) 2006 - 2008, Intel Corporation All rights reserved. This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License which accompanies this distribution. The full text of the license may be found at @@ -9,31 +10,23 @@ http://opensource.org/licenses/bsd-license.php THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. -Module Name: - - PeiMain.h - -Abstract: - - Definition of Pei Core Structures and Services - -Revision History - ---*/ +**/ #ifndef _PEI_MAIN_H_ #define _PEI_MAIN_H_ #include -#include -#include #include #include -#include #include -#include #include -#include +#include +#include +#include +#include +#include +#include +#include #include #include #include @@ -41,42 +34,66 @@ Revision History #include #include #include +#include #include #include +#include #include +#include #include #include - -extern EFI_GUID gEfiPeiCorePrivateGuid; - +#include +#include +#include +#include + +/// +/// It is an FFS type extension used for PeiFindFileEx. It indicates current +/// Ffs searching is for all PEIMs can be dispatched by PeiCore. +/// #define PEI_CORE_INTERNAL_FFS_FILE_DISPATCH_TYPE 0xff -// -// Pei Core private data structures -// +/// +/// Pei Core private data structures +/// typedef union { EFI_PEI_PPI_DESCRIPTOR *Ppi; EFI_PEI_NOTIFY_DESCRIPTOR *Notify; VOID *Raw; } PEI_PPI_LIST_POINTERS; -#define PEI_STACK_SIZE 0x20000 - -#define MAX_PPI_DESCRIPTORS 64 - +/// +/// PPI database structure which contains two link: PpiList and NotifyList. PpiList +/// is in head of PpiListPtrs array and notify is in end of PpiListPtrs. +/// typedef struct { + /// + /// index of end of PpiList link list. + /// INTN PpiListEnd; + /// + /// index of end of notify link list. + /// INTN NotifyListEnd; + /// + /// index of the dispatched notify list. + /// INTN DispatchListEnd; + /// + /// index of last installed Ppi description in PpiList link list. + /// INTN LastDispatchedInstall; + /// + /// index of last dispatched notify in Notify link list. + /// INTN LastDispatchedNotify; - PEI_PPI_LIST_POINTERS PpiListPtrs[MAX_PPI_DESCRIPTORS]; + /// + /// Ppi database. + /// + PEI_PPI_LIST_POINTERS PpiListPtrs[FixedPcdGet32 (PcdPeiCoreMaxPpiSupported)]; } PEI_PPI_DATABASE; -#define PEI_CORE_MAX_FV_SUPPORTED 4 -#define PEI_CORE_MAX_PEIM_PER_FV 32 - // // PEI_CORE_FV_HANDE.PeimState // Do not change these values as there is code doing math to change states. @@ -89,79 +106,91 @@ typedef struct { typedef struct { EFI_FIRMWARE_VOLUME_HEADER *FvHeader; - UINT8 PeimState[PEI_CORE_MAX_PEIM_PER_FV]; - EFI_PEI_FILE_HANDLE FvFileHandles[PEI_CORE_MAX_PEIM_PER_FV]; + UINT8 PeimState[FixedPcdGet32 (PcdPeiCoreMaxPeimPerFv)]; + EFI_PEI_FILE_HANDLE FvFileHandles[FixedPcdGet32 (PcdPeiCoreMaxPeimPerFv)]; BOOLEAN ScanFv; } PEI_CORE_FV_HANDLE; +#define CACHE_SETION_MAX_NUMBER 0x10 typedef struct { - UINT8 CurrentPeim; - UINT8 CurrentFv; - UINT32 DispatchedPeimBitMap; - UINT32 PreviousPeimBitMap; - EFI_FFS_FILE_HEADER *CurrentPeimAddress; - EFI_FIRMWARE_VOLUME_HEADER *CurrentFvAddress; - EFI_FIRMWARE_VOLUME_HEADER *BootFvAddress; - EFI_PEI_FIND_FV_PPI *FindFv; -} PEI_CORE_DISPATCH_DATA; + EFI_COMMON_SECTION_HEADER* Section[CACHE_SETION_MAX_NUMBER]; + VOID* SectionData[CACHE_SETION_MAX_NUMBER]; + UINTN SectionSize[CACHE_SETION_MAX_NUMBER]; + UINTN AllSectionCount; + UINTN SectionIndex; +} CACHE_SECTION_DATA; -// -// Pei Core private data structure instance -// - #define PEI_CORE_HANDLE_SIGNATURE EFI_SIGNATURE_32('P','e','i','C') +/// +/// Pei Core private data structure instance +/// typedef struct{ UINTN Signature; EFI_PEI_SERVICES *PS; // Point to ServiceTableShadow PEI_PPI_DATABASE PpiData; - PEI_CORE_DISPATCH_DATA DispatchData; UINTN FvCount; - PEI_CORE_FV_HANDLE Fv[PEI_CORE_MAX_FV_SUPPORTED]; - EFI_PEI_FILE_HANDLE CurrentFvFileHandles[PEI_CORE_MAX_PEIM_PER_FV]; + PEI_CORE_FV_HANDLE Fv[FixedPcdGet32 (PcdPeiCoreMaxFvSupported)]; + EFI_PEI_FILE_HANDLE CurrentFvFileHandles[FixedPcdGet32 (PcdPeiCoreMaxPeimPerFv)]; UINTN AprioriCount; - UINTN CurrentPeimFvCount; + UINTN CurrentPeimFvCount; UINTN CurrentPeimCount; EFI_PEI_FILE_HANDLE CurrentFileHandle; + BOOLEAN PeimNeedingDispatch; + BOOLEAN PeimDispatchOnThisPass; + BOOLEAN PeimDispatcherReenter; UINTN AllFvCount; - EFI_PEI_FV_HANDLE AllFv[PEI_CORE_MAX_FV_SUPPORTED]; + EFI_PEI_FV_HANDLE AllFv[FixedPcdGet32 (PcdPeiCoreMaxFvSupported)]; EFI_PEI_HOB_POINTERS HobList; BOOLEAN SwitchStackSignal; BOOLEAN PeiMemoryInstalled; EFI_PHYSICAL_ADDRESS StackBase; UINT64 StackSize; - VOID *BottomOfCarHeap; - VOID *TopOfCarHeap; VOID *CpuIo; - EFI_PEI_SECURITY_PPI *PrivateSecurityPpi; + EFI_PEI_SECURITY2_PPI *PrivateSecurityPpi; EFI_PEI_SERVICES ServiceTableShadow; - UINTN SizeOfCacheAsRam; - VOID *MaxTopOfCarHeap; + EFI_PEI_PPI_DESCRIPTOR *XipLoadFile; + EFI_PHYSICAL_ADDRESS PhysicalMemoryBegin; + UINT64 PhysicalMemoryLength; + EFI_PHYSICAL_ADDRESS FreePhysicalMemoryTop; + VOID* ShadowedPeiCore; + CACHE_SECTION_DATA CacheSection; } PEI_CORE_INSTANCE; -// -// Pei Core Instance Data Macros -// - +/// +/// Pei Core Instance Data Macros +/// #define PEI_CORE_INSTANCE_FROM_PS_THIS(a) \ CR(a, PEI_CORE_INSTANCE, PS, PEI_CORE_HANDLE_SIGNATURE) -// -// BUGBUG: Where does this go really? -// +/** + Function Pointer type for PeiCore function. + @param SecCoreData 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. +**/ typedef EFI_STATUS -(EFIAPI *PEI_CORE_ENTRY_POINT)( - IN EFI_PEI_STARTUP_DESCRIPTOR *PeiStartupDescriptor, - IN PEI_CORE_INSTANCE *OldCoreData +(EFIAPI *PEICORE_FUNCTION_POINTER)( + IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData, + IN CONST EFI_PEI_PPI_DESCRIPTOR *PpiList, + IN PEI_CORE_INSTANCE *OldCoreData ); -// -// Union of temporarily used function pointers (to save stack space) -// +/// +/// Union of temporarily used function pointers (to save stack space) +/// typedef union { - PEI_CORE_ENTRY_POINT PeiCore; + PEICORE_FUNCTION_POINTER PeiCore; EFI_PEIM_ENTRY_POINT2 PeimEntry; EFI_PEIM_NOTIFY_ENTRY_POINT PeimNotifyEntry; EFI_DXE_IPL_PPI *DxeIpl; @@ -170,51 +199,50 @@ typedef union { VOID *Raw; } PEI_CORE_TEMP_POINTERS; +typedef struct { + CONST EFI_SEC_PEI_HAND_OFF *SecCoreData; + EFI_PEI_PPI_DESCRIPTOR *PpiList; + VOID *Data; +} PEI_CORE_PARAMETERS; // // PeiCore function // -EFI_STATUS -EFIAPI -PeiCore ( - IN EFI_PEI_STARTUP_DESCRIPTOR *PeiStartupDescriptor, - IN VOID *Data - ) -/*++ - -Routine Description: +/** The entry routine to Pei Core, invoked by PeiMain during transition from SEC to PEI. After switching stack in the PEI core, it will restart with the old core data. -Arguments: - PeiStartupDescriptor - Information and services provided by SEC phase. - OldCoreData - Pointer to old core data that is used to initialize the + @param SecCoreData 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. -Returns: - - This function never returns - EFI_NOT_FOUND - Never reach + @retval EFI_NOT_FOUND Never reach ---*/ -; +**/ +VOID +EFIAPI +PeiCore ( + IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData, + IN CONST EFI_PEI_PPI_DESCRIPTOR *PpiList, + IN VOID *Data + ); // // Dispatcher support functions // -EFI_STATUS -PeimDispatchReadiness ( - IN EFI_PEI_SERVICES **PeiServices, - IN VOID *DependencyExpression, - IN OUT BOOLEAN *Runnable - ) -/*++ - -Routine Description: +/** This is the POSTFIX version of the dependency evaluator. When a PUSH [PPI GUID] is encountered, a pointer to the GUID is stored on @@ -223,578 +251,358 @@ Routine Description: some time savings as not all PPIs must be checked for certain operation types (AND, OR). -Arguments: - - PeiServices - Calling context. - - DependencyExpression - Pointer to a dependency expression. The Grammar adheres to - the BNF described above and is stored in postfix notation. - Runnable - is True if the driver can be scheduled and False if the driver - cannot be scheduled. This is the value that the schedulers - should use for deciding the state of the driver. - -Returns: - - Status = EFI_SUCCESS if it is a well-formed Grammar - EFI_INVALID_PARAMETER if the dependency expression overflows - the evaluation stack - EFI_INVALID_PARAMETER if the dependency expression underflows - the evaluation stack - EFI_INVALID_PARAMETER if the dependency expression is not a - well-formed Grammar. ---*/ -; + @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. + @param DependencyExpression Pointer to a dependency expression. The Grammar adheres to + the BNF described above and is stored in postfix notation. -EFI_STATUS -PeiDispatcher ( - IN EFI_PEI_STARTUP_DESCRIPTOR *PeiStartupDescriptor, - IN PEI_CORE_INSTANCE *PrivateData, - IN PEI_CORE_DISPATCH_DATA *DispatchData - ) - -/*++ + @retval TRUE if it is a well-formed Grammar + @retval FALSE if the dependency expression overflows the evaluation stack + if the dependency expression underflows the evaluation stack + if the dependency expression is not a well-formed Grammar. -Routine Description: +**/ +BOOLEAN +PeimDispatchReadiness ( + IN EFI_PEI_SERVICES **PeiServices, + IN VOID *DependencyExpression + ); +/** Conduct PEIM dispatch. -Arguments: - - PeiStartupDescriptor - Pointer to IN EFI_PEI_STARTUP_DESCRIPTOR - PrivateData - Pointer to the private data passed in from caller - DispatchData - Pointer to PEI_CORE_DISPATCH_DATA data. - -Returns: - - EFI_SUCCESS - Successfully dispatched PEIM. - EFI_NOT_FOUND - The dispatch failed. - ---*/ -; - + @param SecCoreData Pointer to the data structure containing SEC to PEI handoff data + @param PrivateData Pointer to the private data passed in from caller +**/ VOID -InitializeDispatcherData ( - IN EFI_PEI_SERVICES **PeiServices, - IN PEI_CORE_INSTANCE *OldCoreData, - IN EFI_PEI_STARTUP_DESCRIPTOR *PeiStartupDescriptor - ) -/*++ - -Routine Description: +PeiDispatcher ( + IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData, + IN PEI_CORE_INSTANCE *PrivateData + ); +/** Initialize the Dispatcher's data members -Arguments: - - PeiServices - The PEI core services table. - OldCoreData - Pointer to old core data (before switching stack). + @param PrivateData PeiCore's private data structure + @param OldCoreData Old data from SecCore NULL if being run in non-permament memory mode. - PeiStartupDescriptor - Information and services provided by SEC phase. - - -Returns: - - None - ---*/ -; - - -EFI_STATUS -FindNextPeim ( - IN EFI_PEI_SERVICES **PeiServices, - IN EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader, - IN OUT EFI_FFS_FILE_HEADER **PeimFileHeader - ) -/*++ - -Routine Description: - Given the input file pointer, search for the next matching file in the - FFS volume. The search starts from FileHeader inside - the Firmware Volume defined by FwVolHeader. - -Arguments: - PeiServices - Pointer to the PEI Core Services Table. - - FwVolHeader - Pointer to the FV header of the volume to search. - This parameter must point to a valid FFS volume. - - PeimFileHeader - Pointer to the current file from which to begin searching. - This pointer will be updated upon return to reflect the file found. - -Returns: - EFI_NOT_FOUND - No files matching the search criteria were found - EFI_SUCCESS - ---*/ -; - -BOOLEAN -Dispatched ( - IN UINT8 CurrentPeim, - IN UINT32 DispatchedPeimBitMap - ) -/*++ - -Routine Description: - - This routine checks to see if a particular PEIM has been dispatched during - the PEI core dispatch. - -Arguments: - CurrentPeim - The PEIM/FV in the bit array to check. - DispatchedPeimBitMap - Bit array, each bit corresponds to a PEIM/FV. - -Returns: - TRUE if PEIM already dispatched - FALSE if not - ---*/ -; + @param SecCoreData 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. +**/ VOID -SetDispatched ( - IN EFI_PEI_SERVICES **PeiServices, - IN UINT8 CurrentPeim, - OUT UINT32 *DispatchedPeimBitMap - ) -/*++ - -Routine Description: - - This routine sets a PEIM as having been dispatched once its entry - point has been invoked. - -Arguments: - - PeiServices - The PEI core services table. - CurrentPeim - The PEIM/FV in the bit array to check. - DispatchedPeimBitMap - Bit array, each bit corresponds to a PEIM/FV. - -Returns: - None - ---*/ -; - -BOOLEAN -DepexSatisfied ( - IN EFI_PEI_SERVICES **PeiServices, - IN VOID *CurrentPeimAddress - ) -/*++ - -Routine Description: +InitializeDispatcherData ( + IN PEI_CORE_INSTANCE *PrivateData, + IN PEI_CORE_INSTANCE *OldCoreData, + IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData + ); +/** This routine parses the Dependency Expression, if available, and decides if the module can be executed. -Arguments: - PeiServices - The PEI Service Table - CurrentPeimAddress - Address of the PEIM Firmware File under investigation - -Returns: - TRUE - Can be dispatched - FALSE - Cannot be dispatched - ---*/ -; - -#if defined (MDE_CPU_IPF) - // - // In Ipf we should make special changes for the PHIT pointers to support - // recovery boot in cache mode. - // -#define SWITCH_TO_CACHE_MODE(CoreData) SwitchToCacheMode(CoreData) -#define CACHE_MODE_ADDRESS_MASK 0x7FFFFFFFFFFFFFFFULL -VOID -SwitchToCacheMode ( - IN PEI_CORE_INSTANCE *CoreData -) -/*++ - -Routine Description: - Switch the PHIT pointers to cache mode after InstallPeiMemory in CAR. + @param Private PeiCore's private data structure + @param FileHandle PEIM's file handle + @param PeimCount The index of last dispatched PEIM. -Arguments: + @retval TRUE Can be dispatched + @retval FALSE Cannot be dispatched - CoreData - The PEI core Private Data - -Returns: - ---*/ -; - -#else - -#define SWITCH_TO_CACHE_MODE(CoreData) - -#endif +**/ +BOOLEAN +DepexSatisfied ( + IN PEI_CORE_INSTANCE *Private, + IN EFI_PEI_FILE_HANDLE FileHandle, + IN UINTN PeimCount + ); // // PPI support functions // -VOID -InitializePpiServices ( - IN EFI_PEI_SERVICES **PeiServices, - IN PEI_CORE_INSTANCE *OldCoreData - ) -/*++ - -Routine Description: +/** Initialize PPI services. -Arguments: + @param PrivateData Pointer to the PEI Core data. + @param OldCoreData Pointer to old PEI Core data. + NULL if being run in non-permament memory mode. - PeiServices - The PEI core services table. - OldCoreData - Pointer to the PEI Core data. - NULL if being run in non-permament memory mode. +**/ +VOID +InitializePpiServices ( + IN PEI_CORE_INSTANCE *PrivateData, + IN PEI_CORE_INSTANCE *OldCoreData + ); + +/** -Returns: - Nothing + Migrate the Hob list from the CAR stack to PEI installed memory. ---*/ -; + @param PrivateData Pointer to PeiCore's private data structure. + @param OldCheckingBottom Bottom of temporary memory range. All Ppi in this range + will be fixup for PpiData and PpiDescriptor pointer. + @param OldCheckingTop Top of temporary memory range. All Ppi in this range + will be fixup for PpiData and PpiDescriptor. + @param Fixup The address difference between + the new Hob list and old Hob list. +**/ VOID ConvertPpiPointers ( - IN CONST EFI_PEI_SERVICES **PeiServices, - IN EFI_HOB_HANDOFF_INFO_TABLE *OldHandOffHob, - IN EFI_HOB_HANDOFF_INFO_TABLE *NewHandOffHob - ) -/*++ - -Routine Description: - - Migrate the Hob list from the CAR stack to PEI installed memory. + IN PEI_CORE_INSTANCE *PrivateData, + IN UINTN OldCheckingBottom, + IN UINTN OldCheckingTop, + IN INTN Fixup + ); -Arguments: +/** - PeiServices - The PEI core services table. - OldHandOffHob - The old handoff HOB list. - NewHandOffHob - The new handoff HOB list. + Install PPI services. It is implementation of EFI_PEI_SERVICE.InstallPpi. -Returns: + @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. + @param PpiList Pointer to ppi array that want to be installed. ---*/ -; + @retval EFI_SUCCESS if all PPIs in PpiList are successfully installed. + @retval EFI_INVALID_PARAMETER if PpiList is NULL pointer + if any PPI in PpiList is not valid + @retval EFI_OUT_OF_RESOURCES if there is no more memory resource to install PPI +**/ EFI_STATUS EFIAPI PeiInstallPpi ( IN CONST EFI_PEI_SERVICES **PeiServices, IN CONST EFI_PEI_PPI_DESCRIPTOR *PpiList - ) -/*++ - -Routine Description: - - Install PPI services. - -Arguments: + ); - PeiServices - Pointer to the PEI Service Table - PpiList - Pointer to a list of PEI PPI Descriptors. +/** -Returns: + Re-Install PPI services. - EFI_SUCCESS - if all PPIs in PpiList are successfully installed. - EFI_INVALID_PARAMETER - if PpiList is NULL pointer - EFI_INVALID_PARAMETER - if any PPI in PpiList is not valid - EFI_OUT_OF_RESOURCES - if there is no more memory resource to install PPI + @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. + @param OldPpi Pointer to the old PEI PPI Descriptors. + @param NewPpi Pointer to the new PEI PPI Descriptors. ---*/ -; + @retval EFI_SUCCESS if the operation was successful + @retval EFI_INVALID_PARAMETER if OldPpi or NewPpi is NULL + if NewPpi is not valid + @retval EFI_NOT_FOUND if the PPI was not in the database +**/ EFI_STATUS EFIAPI PeiReInstallPpi ( IN CONST EFI_PEI_SERVICES **PeiServices, IN CONST EFI_PEI_PPI_DESCRIPTOR *OldPpi, IN CONST EFI_PEI_PPI_DESCRIPTOR *NewPpi - ) -/*++ - -Routine Description: - - Re-Install PPI services. + ); -Arguments: +/** - PeiServices - Pointer to the PEI Service Table - OldPpi - Pointer to the old PEI PPI Descriptors. - NewPpi - Pointer to the new PEI PPI Descriptors. + Locate a given named PPI. -Returns: - EFI_SUCCESS - if the operation was successful - EFI_INVALID_PARAMETER - if OldPpi or NewPpi is NULL - EFI_INVALID_PARAMETER - if NewPpi is not valid - EFI_NOT_FOUND - if the PPI was not in the database + @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. + @param Guid Pointer to GUID of the PPI. + @param Instance Instance Number to discover. + @param PpiDescriptor Pointer to reference the found descriptor. If not NULL, + returns a pointer to the descriptor (includes flags, etc) + @param Ppi Pointer to reference the found PPI ---*/ -; + @retval EFI_SUCCESS if the PPI is in the database + @retval EFI_NOT_FOUND if the PPI is not in the database +**/ EFI_STATUS EFIAPI PeiLocatePpi ( - IN CONST EFI_PEI_SERVICES **PeiServices, - IN CONST EFI_GUID *Guid, + IN CONST EFI_PEI_SERVICES **PeiServices, + IN CONST EFI_GUID *Guid, IN UINTN Instance, IN OUT EFI_PEI_PPI_DESCRIPTOR **PpiDescriptor, IN OUT VOID **Ppi - ) -/*++ - -Routine Description: + ); - Locate a given named PPI. +/** -Arguments: + Install a notification for a given PPI. - PeiServices - Pointer to the PEI Service Table - Guid - Pointer to GUID of the PPI. - Instance - Instance Number to discover. - PpiDescriptor - Pointer to reference the found descriptor. If not NULL, - returns a pointer to the descriptor (includes flags, etc) - Ppi - Pointer to reference the found PPI -Returns: + @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. + @param NotifyList Pointer to list of Descriptors to notify upon. - Status - EFI_SUCCESS if the PPI is in the database - EFI_NOT_FOUND if the PPI is not in the database ---*/ -; + @retval EFI_SUCCESS if successful + @retval EFI_OUT_OF_RESOURCES if no space in the database + @retval EFI_INVALID_PARAMETER if not a good decriptor +**/ EFI_STATUS EFIAPI PeiNotifyPpi ( IN CONST EFI_PEI_SERVICES **PeiServices, IN CONST EFI_PEI_NOTIFY_DESCRIPTOR *NotifyList - ) -/*++ - -Routine Description: - - Install a notification for a given PPI. - -Arguments: - - PeiServices - Pointer to the PEI Service Table - NotifyList - Pointer to list of Descriptors to notify upon. + ); -Returns: +/** - Status - EFI_SUCCESS if successful - EFI_OUT_OF_RESOURCES if no space in the database - EFI_INVALID_PARAMETER if not a good decriptor + Process the Notify List at dispatch level. ---*/ -; + @param PrivateData PeiCore's private data structure. +**/ VOID ProcessNotifyList ( - IN EFI_PEI_SERVICES **PeiServices - ) -/*++ - -Routine Description: - - Process the Notify List at dispatch level. - -Arguments: + IN PEI_CORE_INSTANCE *PrivateData + ); - PeiServices - Pointer to the PEI Service Table +/** -Returns: + Dispatch notifications. ---*/ -; + @param PrivateData PeiCore's private data structure + @param NotifyType Type of notify to fire. + @param InstallStartIndex Install Beginning index. + @param InstallStopIndex Install Ending index. + @param NotifyStartIndex Notify Beginning index. + @param NotifyStopIndex Notify Ending index. +**/ VOID DispatchNotify ( - IN CONST EFI_PEI_SERVICES **PeiServices, + IN PEI_CORE_INSTANCE *PrivateData, IN UINTN NotifyType, IN INTN InstallStartIndex, IN INTN InstallStopIndex, IN INTN NotifyStartIndex, IN INTN NotifyStopIndex - ) -/*++ - -Routine Description: - - Dispatch notifications. - -Arguments: - - PeiServices - Pointer to the PEI Service Table - NotifyType - Type of notify to fire. - InstallStartIndex - Install Beginning index. - InstallStopIndex - Install Ending index. - NotifyStartIndex - Notify Beginning index. - NotifyStopIndex - Notify Ending index. - -Returns: None - ---*/ -; + ); // // Boot mode support functions // +/** + This service enables PEIMs to ascertain the present value of the boot mode. + + @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. + @param BootMode A pointer to contain the value of the boot mode. + + @retval EFI_SUCCESS The boot mode was returned successfully. + @retval EFI_INVALID_PARAMETER BootMode is NULL. + +**/ EFI_STATUS EFIAPI PeiGetBootMode ( IN CONST EFI_PEI_SERVICES **PeiServices, - IN OUT EFI_BOOT_MODE *BootMode - ) -/*++ - -Routine Description: - - This service enables PEIMs to ascertain the present value of the boot mode. - -Arguments: + IN OUT EFI_BOOT_MODE *BootMode + ); - PeiServices - The PEI core services table. - BootMode - A pointer to contain the value of the boot mode. +/** + This service enables PEIMs to update the boot mode variable. -Returns: - EFI_SUCCESS - The boot mode was returned successfully. - EFI_INVALID_PARAMETER - BootMode is NULL. + @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. + @param BootMode The value of the boot mode to set. ---*/ -; + @return EFI_SUCCESS The value was successfully updated +**/ EFI_STATUS EFIAPI PeiSetBootMode ( IN CONST EFI_PEI_SERVICES **PeiServices, IN EFI_BOOT_MODE BootMode - ) -/*++ - -Routine Description: - - This service enables PEIMs to update the boot mode variable. - -Arguments: - - PeiServices - The PEI core services table. - BootMode - The value of the boot mode to set. - -Returns: - - EFI_SUCCESS - The value was successfully updated - ---*/ -; + ); // // Security support functions // +/** + + Initialize the security services. + + @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. + @param OldCoreData Pointer to the old core data. + NULL if being run in non-permament memory mode. + +**/ VOID InitializeSecurityServices ( IN EFI_PEI_SERVICES **PeiServices, IN PEI_CORE_INSTANCE *OldCoreData - ) -/*++ - -Routine Description: - - Initialize the security services. - -Arguments: + ); - PeiServices - The PEI core services table. - OldCoreData - Pointer to the old core data. - NULL if being run in non-permament memory mode. -Returns: +/** + Verify a Firmware volume. - None + @param CurrentFvAddress Pointer to the current Firmware Volume under consideration ---*/ -; + @retval EFI_SUCCESS Firmware Volume is legal + @retval EFI_SECURITY_VIOLATION Firmware Volume fails integrity test +**/ EFI_STATUS VerifyFv ( IN EFI_FIRMWARE_VOLUME_HEADER *CurrentFvAddress - ) -/*++ - -Routine Description: - - Provide a callout to the OEM FV verification service. - -Arguments: + ); - CurrentFvAddress - Pointer to the FV under investigation. +/** -Returns: + Provide a callout to the security verification service. - Status - EFI_SUCCESS ---*/ -; + @param PrivateData PeiCore's private data structure + @param VolumeHandle Handle of FV + @param FileHandle Handle of PEIM's ffs + @retval EFI_SUCCESS Image is OK + @retval EFI_SECURITY_VIOLATION Image is illegal +**/ EFI_STATUS VerifyPeim ( - IN EFI_PEI_SERVICES **PeiServices, - IN EFI_FFS_FILE_HEADER *CurrentPeimAddress - ) -/*++ - -Routine Description: - - Provide a callout to the security verification service. - -Arguments: + IN PEI_CORE_INSTANCE *PrivateData, + IN EFI_PEI_FV_HANDLE VolumeHandle, + IN EFI_PEI_FILE_HANDLE FileHandle + ); - PeiServices - The PEI core services table. - CurrentPeimAddress - Pointer to the Firmware File under investigation. +/** -Returns: + Gets the pointer to the HOB List. - EFI_SUCCESS - Image is OK - EFI_SECURITY_VIOLATION - Image is illegal ---*/ -; + @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. + @param HobList Pointer to the HOB List. + @retval EFI_SUCCESS Get the pointer of HOB List + @retval EFI_NOT_AVAILABLE_YET the HOB List is not yet published + @retval EFI_INVALID_PARAMETER HobList is NULL (in debug mode) +**/ EFI_STATUS EFIAPI PeiGetHobList ( IN CONST EFI_PEI_SERVICES **PeiServices, IN OUT VOID **HobList - ) -/*++ - -Routine Description: - - Gets the pointer to the HOB List. - -Arguments: - - PeiServices - The PEI core services table. - HobList - Pointer to the HOB List. + ); -Returns: +/** + Add a new HOB to the HOB List. - EFI_SUCCESS - Get the pointer of HOB List - EFI_NOT_AVAILABLE_YET - the HOB List is not yet published - EFI_INVALID_PARAMETER - HobList is NULL (in debug mode) + @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. + @param Type Type of the new HOB. + @param Length Length of the new HOB to allocate. + @param Hob Pointer to the new HOB. ---*/ -; + @return EFI_SUCCESS Success to create hob. + @retval EFI_INVALID_PARAMETER if Hob is NULL + @retval EFI_NOT_AVAILABLE_YET if HobList is still not available. + @retval EFI_OUT_OF_RESOURCES if there is no more memory to grow the Hoblist. +**/ EFI_STATUS EFIAPI PeiCreateHob ( @@ -802,59 +610,46 @@ PeiCreateHob ( IN UINT16 Type, IN UINT16 Length, IN OUT VOID **Hob - ) -/*++ - -Routine Description: - - Add a new HOB to the HOB List. - -Arguments: + ); - PeiServices - The PEI core services table. - Type - Type of the new HOB. - Length - Length of the new HOB to allocate. - Hob - Pointer to the new HOB. +/** -Returns: + Builds a Handoff Information Table HOB - Status - EFI_SUCCESS - - EFI_INVALID_PARAMETER if Hob is NULL - - EFI_NOT_AVAILABLE_YET if HobList is still not available. - - EFI_OUT_OF_RESOURCES if there is no more memory to grow the Hoblist. + @param BootMode - Current Bootmode + @param MemoryBegin - Start Memory Address. + @param MemoryLength - Length of Memory. ---*/ -; + @return EFI_SUCCESS Always success to initialize HOB. +**/ EFI_STATUS PeiCoreBuildHobHandoffInfoTable ( IN EFI_BOOT_MODE BootMode, IN EFI_PHYSICAL_ADDRESS MemoryBegin, IN UINT64 MemoryLength - ) -/*++ - -Routine Description: - - Builds a Handoff Information Table HOB - -Arguments: - - BootMode - Current Bootmode - MemoryBegin - Start Memory Address. - MemoryLength - Length of Memory. - -Returns: - - EFI_SUCCESS - ---*/ -; + ); // // FFS Fw Volume support functions // +/** + Given the input file pointer, search for the next matching file in the + FFS volume as defined by SearchType. The search starts from FileHeader inside + the Firmware Volume defined by FwVolHeader. + + + @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. + @param SearchType Filter to find only files of this type. + Type EFI_FV_FILETYPE_ALL causes no filtering to be done. + @param FwVolHeader Pointer to the FV header of the volume to search. + @param FileHeader Pointer to the current file from which to begin searching. + This pointer will be updated upon return to reflect the file found. + @retval EFI_NOT_FOUND No files matching the search criteria were found + @retval EFI_SUCCESS Success to find next file in given volume + +**/ EFI_STATUS EFIAPI PeiFfsFindNextFile ( @@ -862,150 +657,110 @@ PeiFfsFindNextFile ( IN UINT8 SearchType, IN EFI_PEI_FV_HANDLE FwVolHeader, IN OUT EFI_PEI_FILE_HANDLE *FileHeader - ) -/*++ - -Routine Description: - Given the input file pointer, search for the next matching file in the - FFS volume as defined by SearchType. The search starts from FileHeader inside - the Firmware Volume defined by FwVolHeader. - -Arguments: - PeiServices - Pointer to the PEI Core Services Table. - - SearchType - Filter to find only files of this type. - Type EFI_FV_FILETYPE_ALL causes no filtering to be done. - - FwVolHeader - Pointer to the FV header of the volume to search. - This parameter must point to a valid FFS volume. + ); - FileHeader - Pointer to the current file from which to begin searching. - This pointer will be updated upon return to reflect the file found. +/** + Given the input file pointer, search for the next matching section in the + FFS volume. -Returns: - EFI_NOT_FOUND - No files matching the search criteria were found - EFI_SUCCESS + @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. + @param SectionType Filter to find only sections of this type. + @param FfsFileHeader Pointer to the current file to search. + @param SectionData Pointer to the Section matching SectionType in FfsFileHeader. + NULL if section not found ---*/ -; + @retval EFI_NOT_FOUND No files matching the search criteria were found + @retval EFI_SUCCESS Success to find section data in given file +**/ EFI_STATUS EFIAPI PeiFfsFindSectionData ( - IN CONST EFI_PEI_SERVICES **PeiServices, + IN CONST EFI_PEI_SERVICES **PeiServices, IN EFI_SECTION_TYPE SectionType, IN EFI_PEI_FILE_HANDLE FfsFileHeader, IN OUT VOID **SectionData - ) -/*++ - -Routine Description: - Given the input file pointer, search for the next matching section in the - FFS volume. + ); -Arguments: - PeiServices - Pointer to the PEI Core Services Table. - SearchType - Filter to find only sections of this type. - FfsFileHeader - Pointer to the current file to search. - SectionData - Pointer to the Section matching SectionType in FfsFileHeader. - - NULL if section not found +/** + search the firmware volumes by index -Returns: - EFI_NOT_FOUND - No files matching the search criteria were found - EFI_SUCCESS + @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. + @param Instance Instance of FV to find + @param FwVolHeader Pointer to found Volume. ---*/ -; + @retval EFI_INVALID_PARAMETER FwVolHeader is NULL + @retval EFI_SUCCESS Firmware volume instance successfully found. +**/ EFI_STATUS EFIAPI PeiFvFindNextVolume ( - IN CONST EFI_PEI_SERVICES **PeiServices, + IN CONST EFI_PEI_SERVICES **PeiServices, IN UINTN Instance, IN OUT EFI_PEI_FV_HANDLE *FwVolHeader - ) -/*++ - -Routine Description: - - Return the BFV location - - BugBug -- Move this to the location of this code to where the - other FV and FFS support code lives. - Also, update to use FindFV for instances #'s >= 1. - -Arguments: - - PeiServices - The PEI core services table. - Instance - Instance of FV to find - FwVolHeader - Pointer to contain the data to return - -Returns: - Pointer to the Firmware Volume instance requested - - EFI_INVALID_PARAMETER - FwVolHeader is NULL - - EFI_SUCCESS - Firmware volume instance successfully found. - ---*/ -; + ); // // Memory support functions // -VOID -InitializeMemoryServices ( - IN EFI_PEI_SERVICES **PeiServices, - IN EFI_PEI_STARTUP_DESCRIPTOR *PeiStartupDescriptor, - IN PEI_CORE_INSTANCE *OldCoreData - ) -/*++ - -Routine Description: +/** Initialize the memory services. -Arguments: - - PeiServices - The PEI core services table. - PeiStartupDescriptor - Information and services provided by SEC phase. - OldCoreData - Pointer to the PEI Core data. + @param PrivateData PeiCore's private data structure + @param SecCoreData 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 OldCoreData Pointer to the PEI Core data. NULL if being run in non-permament memory mode. -Returns: +**/ +VOID +InitializeMemoryServices ( + IN PEI_CORE_INSTANCE *PrivateData, + IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData, + IN PEI_CORE_INSTANCE *OldCoreData + ); - None +/** ---*/ -; + Install the permanent memory is now available. + Creates HOB (PHIT and Stack). + + @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. + @param MemoryBegin Start of memory address. + @param MemoryLength Length of memory. + + @return EFI_SUCCESS Always success. +**/ EFI_STATUS EFIAPI PeiInstallPeiMemory ( IN CONST EFI_PEI_SERVICES **PeiServices, IN EFI_PHYSICAL_ADDRESS MemoryBegin, IN UINT64 MemoryLength - ) -/*++ - -Routine Description: - - Install the permanent memory is now available. - Creates HOB (PHIT and Stack). + ); -Arguments: +/** - PeiServices - The PEI core services table. - MemoryBegin - Start of memory address. - MemoryLength - Length of memory. + Memory allocation service on permanent memory, + not usable prior to the memory installation. -Returns: - Status - EFI_SUCCESS + @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. + @param MemoryType Type of memory to allocate. + @param Pages Number of pages to allocate. + @param Memory Pointer of memory allocated. ---*/ -; + @retval EFI_SUCCESS The allocation was successful + @retval EFI_INVALID_PARAMETER Only AllocateAnyAddress is supported. + @retval EFI_NOT_AVAILABLE_YET Called with permanent memory not available + @retval EFI_OUT_OF_RESOURCES There is not enough HOB heap to satisfy the requirement + to allocate the number of pages. +**/ EFI_STATUS EFIAPI PeiAllocatePages ( @@ -1013,91 +768,69 @@ PeiAllocatePages ( IN EFI_MEMORY_TYPE MemoryType, IN UINTN Pages, OUT EFI_PHYSICAL_ADDRESS *Memory - ) -/*++ - -Routine Description: - - Memory allocation service on permanent memory, - not usable prior to the memory installation. + ); -Arguments: +/** - PeiServices - The PEI core services table. - Type - Type of allocation. - MemoryType - Type of memory to allocate. - Pages - Number of pages to allocate. - Memory - Pointer of memory allocated. + Memory allocation service on the CAR. -Returns: - Status - EFI_SUCCESS The allocation was successful - EFI_INVALID_PARAMETER Only AllocateAnyAddress is supported. - EFI_NOT_AVAILABLE_YET Called with permanent memory not available - EFI_OUT_OF_RESOURCES There is not enough HOB heap to satisfy the requirement - to allocate the number of pages. + @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. + @param Size Amount of memory required + @param Buffer Address of pointer to the buffer ---*/ -; + @retval EFI_SUCCESS The allocation was successful + @retval EFI_OUT_OF_RESOURCES There is not enough heap to satisfy the requirement + to allocate the requested size. +**/ EFI_STATUS EFIAPI PeiAllocatePool ( IN CONST EFI_PEI_SERVICES **PeiServices, IN UINTN Size, OUT VOID **Buffer - ) -/*++ - -Routine Description: - - Memory allocation service on the CAR. - -Arguments: - - PeiServices - The PEI core services table. + ); - Size - Amount of memory required +/** - Buffer - Address of pointer to the buffer + Routine for load image file. -Returns: - Status - EFI_SUCCESS The allocation was successful - EFI_OUT_OF_RESOURCES There is not enough heap to satisfy the requirement - to allocate the requested size. + @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. + @param FileHandle Pointer to the FFS file header of the image. + @param EntryPoint Pointer to entry point of specified image file for output. + @param AuthenticationState Pointer to attestation authentication state of image. ---*/ -; + @retval EFI_SUCCESS Image is successfully loaded. + @retval EFI_NOT_FOUND Fail to locate necessary PPI + @retval Others Fail to load file. +**/ EFI_STATUS PeiLoadImage ( - IN EFI_PEI_SERVICES **PeiServices, - IN EFI_FFS_FILE_HEADER *PeimFileHeader, - OUT VOID **EntryPoint - ) -/*++ - -Routine Description: - - Get entry point of a Peim file. - -Arguments: - - PeiServices - Calling context. - - PeimFileHeader - Peim file's header. + IN CONST EFI_PEI_SERVICES **PeiServices, + IN EFI_PEI_FILE_HANDLE FileHandle, + OUT EFI_PHYSICAL_ADDRESS *EntryPoint, + OUT UINT32 *AuthenticationState + ); - EntryPoint - Entry point of that Peim file. +/** -Returns: + Core version of the Status Code reporter - Status code. ---*/ -; + @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. + @param CodeType Type of Status Code. + @param Value Value to output for Status Code. + @param Instance Instance Number of this status code. + @param CallerId ID of the caller of this status code. + @param Data Optional data associated with this status code. + @retval EFI_SUCCESS if status code is successfully reported + @retval EFI_NOT_AVAILABLE_YET if StatusCodePpi has not been installed +**/ EFI_STATUS EFIAPI PeiReportStatusCode ( @@ -1107,109 +840,192 @@ PeiReportStatusCode ( IN UINT32 Instance, IN CONST EFI_GUID *CallerId, IN CONST EFI_STATUS_CODE_DATA *Data OPTIONAL - ) -/*++ + ); -Routine Description: +/** - Core version of the Status Code reporter + Core version of the Reset System -Arguments: - PeiServices - The PEI core services table. + @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. - CodeType - Type of Status Code. + @retval EFI_NOT_AVAILABLE_YET PPI not available yet. + @retval EFI_DEVICE_ERROR Did not reset system. + Otherwise, resets the system. - Value - Value to output for Status Code. +**/ +EFI_STATUS +EFIAPI +PeiResetSystem ( + IN CONST EFI_PEI_SERVICES **PeiServices + ); - Instance - Instance Number of this status code. +/** - CallerId - ID of the caller of this status code. + Initialize PeiCore Fv List. - Data - Optional data associated with this status code. -Returns: + @param PrivateData - Pointer to PEI_CORE_INSTANCE. + @param SecCoreData - Pointer to EFI_SEC_PEI_HAND_OFF. - Status - EFI_SUCCESS if status code is successfully reported - - EFI_NOT_AVAILABLE_YET if StatusCodePpi has not been installed +**/ +VOID +PeiInitializeFv ( + IN PEI_CORE_INSTANCE *PrivateData, + IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData + ); ---*/ -; +/** + Process Firmware Volum Information once FvInfoPPI install. + + @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. + @param NotifyDescriptor Address of the notification descriptor data structure. + @param Ppi Address of the PPI that was installed. + @retval EFI_SUCCESS if the interface could be successfully installed +**/ EFI_STATUS EFIAPI -PeiResetSystem ( - IN EFI_PEI_SERVICES **PeiServices - ) -/*++ +FirmwareVolmeInfoPpiNotifyCallback ( + IN EFI_PEI_SERVICES **PeiServices, + IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor, + IN VOID *Ppi + ); -Routine Description: +/** - Core version of the Reset System + Given the input VolumeHandle, search for the next matching name file. + + @param FileName File name to search. + @param VolumeHandle The current FV to search. + @param FileHandle Pointer to the file matching name in VolumeHandle. + NULL if file not found + + @retval EFI_NOT_FOUND No files matching the search criteria were found + @retval EFI_SUCCESS Success to search given file + +**/ +EFI_STATUS +EFIAPI +PeiFfsFindFileByName ( + IN CONST EFI_GUID *FileName, + IN EFI_PEI_FV_HANDLE VolumeHandle, + OUT EFI_PEI_FILE_HANDLE *FileHandle + ); -Arguments: +/** - PeiServices - The PEI core services table. + Returns information about a specific file. -Returns: - Status - EFI_NOT_AVAILABLE_YET. PPI not available yet. - - EFI_DEVICE_ERROR. Did not reset system. + @param FileHandle The handle to file. + @param FileInfo Pointer to the file information. - Otherwise, resets the system. + @retval EFI_INVALID_PARAMETER Invalid FileHandle or FileInfo. + @retval EFI_SUCCESS Success to collect file info. ---*/ -; +**/ +EFI_STATUS +EFIAPI +PeiFfsGetFileInfo ( + IN EFI_PEI_FILE_HANDLE FileHandle, + OUT EFI_FV_FILE_INFO *FileInfo + ); + +/** + + Collect information of given Fv Volume. + + @param VolumeHandle The handle to Fv Volume. + @param VolumeInfo The pointer to volume information. + + @retval EFI_INVALID_PARAMETER VolumeInfo is NULL + @retval EFI_SUCCESS Success to collect fv info. +**/ +EFI_STATUS +EFIAPI +PeiFfsGetVolumeInfo ( + IN EFI_PEI_FV_HANDLE VolumeHandle, + OUT EFI_FV_INFO *VolumeInfo + ); /** This routine enable a PEIM to register itself to shadow when PEI Foundation discovery permanent memory. - @param FileHandle File handle of a PEIM. - - @retval EFI_NOT_FOUND The file handle doesn't point to PEIM itself. - @retval EFI_ALREADY_STARTED Indicate that the PEIM has been registered itself. - @retval EFI_SUCCESS Successfully to register itself. + @param FileHandle File handle of a PEIM. + + @retval EFI_NOT_FOUND The file handle doesn't point to PEIM itself. + @retval EFI_ALREADY_STARTED Indicate that the PEIM has been registered itself. + @retval EFI_SUCCESS Successfully to register itself. -**/ +**/ EFI_STATUS EFIAPI PeiRegisterForShadow ( IN EFI_PEI_FILE_HANDLE FileHandle - ) -; + ); /** - Transfers control to a function starting with a new stack. - - Transfers control to the function specified by EntryPoint using the new stack - specified by NewStack and passing in the parameters specified by Context1 and - Context2. Context1 and Context2 are optional and may be NULL. The function - EntryPoint must never return. - - If EntryPoint is NULL, then ASSERT(). - If NewStack is NULL, then ASSERT(). - - @param EntryPoint A pointer to function to call with the new stack. - @param Context1 A pointer to the context to pass into the EntryPoint - function. - @param Context2 A pointer to the context to pass into the EntryPoint - function. - @param NewStack A pointer to the new stack to use for the EntryPoint - function. - @param NewBsp A pointer to the new BSP for the EntryPoint on IPF. It's - Reserved on other architectures. + Given the input file pointer, search for the next matching file in the + FFS volume as defined by SearchType. The search starts from FileHeader inside + the Firmware Volume defined by FwVolHeader. + + + @param FvHandle Pointer to the FV header of the volume to search + @param FileName File name + @param SearchType Filter to find only files of this type. + Type EFI_FV_FILETYPE_ALL causes no filtering to be done. + @param FileHandle This parameter must point to a valid FFS volume. + @param AprioriFile Pointer to AprioriFile image in this FV if has + + @return EFI_NOT_FOUND No files matching the search criteria were found + @retval EFI_SUCCESS Success to search given file + +**/ +EFI_STATUS +PeiFindFileEx ( + IN CONST EFI_PEI_FV_HANDLE FvHandle, + IN CONST EFI_GUID *FileName, OPTIONAL + IN EFI_FV_FILETYPE SearchType, + IN OUT EFI_PEI_FILE_HANDLE *FileHandle, + IN OUT EFI_PEI_FV_HANDLE *AprioriFile OPTIONAL + ); + +/** + Initialize image service that install PeiLoadFilePpi. + + @param PrivateData Pointer to PeiCore's private data structure PEI_CORE_INSTANCE. + @param OldCoreData Pointer to Old PeiCore's private data. + If NULL, PeiCore is entered at first time, stack/heap in temporary memory. + If not NULL, PeiCore is entered at second time, stack/heap has been moved + to permenent memory. **/ VOID -EFIAPI -PeiSwitchStacks ( - IN SWITCH_STACK_ENTRY_POINT EntryPoint, - IN VOID *Context1, OPTIONAL - IN VOID *Context2, OPTIONAL - IN VOID *NewStack, - IN VOID *NewBsp +InitializeImageServices ( + IN PEI_CORE_INSTANCE *PrivateData, + IN PEI_CORE_INSTANCE *OldCoreData + ); + +/** + Get Fv image from the FV type file, then install FV INFO ppi, Build FV hob. + + @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. + @param FvFileHandle File handle of a Fv type file. + @param AuthenticationState Pointer to attestation authentication state of image. + If return 0, means pass security checking. + + @retval EFI_NOT_FOUND FV image can't be found. + @retval EFI_SUCCESS Successfully to process it. + +**/ +EFI_STATUS +ProcessFvFile ( + IN CONST EFI_PEI_SERVICES **PeiServices, + IN EFI_PEI_FILE_HANDLE FvFileHandle, + OUT UINT32 *AuthenticationState ); #endif