/*++ Copyright (c) 2006 - 2007, 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 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 #include #include #include #include #include #include #include #include #include #include #include #define PEI_CORE_INTERNAL_FFS_FILE_DISPATCH_TYPE 0xff // // Pei Core private data structures // typedef union { EFI_PEI_PPI_DESCRIPTOR *Ppi; EFI_PEI_NOTIFY_DESCRIPTOR *Notify; VOID *Raw; } PEI_PPI_LIST_POINTERS; #define MAX_PPI_DESCRIPTORS 64 typedef struct { INTN PpiListEnd; INTN NotifyListEnd; INTN DispatchListEnd; INTN LastDispatchedInstall; INTN LastDispatchedNotify; PEI_PPI_LIST_POINTERS PpiListPtrs[MAX_PPI_DESCRIPTORS]; } PEI_PPI_DATABASE; // // PEI_CORE_FV_HANDE.PeimState // Do not change these values as there is code doing math to change states. // Look for Private->Fv[FvCount].PeimState[PeimCount]++; // #define PEIM_STATE_NOT_DISPATCHED 0x00 #define PEIM_STATE_DISPATCHED 0x01 #define PEIM_STATE_REGISITER_FOR_SHADOW 0x02 #define PEIM_STATE_DONE 0x03 typedef struct { EFI_FIRMWARE_VOLUME_HEADER *FvHeader; 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 { 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') typedef struct{ UINTN Signature; EFI_PEI_SERVICES *PS; // Point to ServiceTableShadow PEI_PPI_DATABASE PpiData; UINTN FvCount; PEI_CORE_FV_HANDLE Fv[FixedPcdGet32 (PcdPeiCoreMaxFvSupported)]; EFI_PEI_FILE_HANDLE CurrentFvFileHandles[FixedPcdGet32 (PcdPeiCoreMaxPeimPerFv)]; UINTN AprioriCount; UINTN CurrentPeimFvCount; UINTN CurrentPeimCount; EFI_PEI_FILE_HANDLE CurrentFileHandle; UINTN AllFvCount; 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_SECURITY2_PPI *PrivateSecurityPpi; EFI_PEI_SERVICES ServiceTableShadow; UINTN SizeOfTemporaryMemory; 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 // #define PEI_CORE_INSTANCE_FROM_PS_THIS(a) \ CR(a, PEI_CORE_INSTANCE, PS, PEI_CORE_HANDLE_SIGNATURE) // // BUGBUG: Where does this go really? // typedef EFI_STATUS (EFIAPI *PEI_CORE_ENTRY_POINT)( 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) // typedef union { PEI_CORE_ENTRY_POINT PeiCore; EFI_PEIM_ENTRY_POINT2 PeimEntry; EFI_PEIM_NOTIFY_ENTRY_POINT PeimNotifyEntry; EFI_DXE_IPL_PPI *DxeIpl; EFI_PEI_PPI_DESCRIPTOR *PpiDescriptor; EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor; 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 CONST EFI_SEC_PEI_HAND_OFF *SecCoreData, IN CONST EFI_PEI_PPI_DESCRIPTOR *PpList, 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 core's data areas. Returns: This function never returns EFI_NOT_FOUND - Never reach --*/ ; // // Dispatcher support functions // BOOLEAN PeimDispatchReadiness ( IN EFI_PEI_SERVICES **PeiServices, IN VOID *DependencyExpression ) /*++ 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 the evaluation stack. When that entry is poped from the evaluation stack, the PPI is checked if it is installed. This method allows 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. 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. --*/ ; VOID PeiDispatcher ( IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData, IN PEI_CORE_INSTANCE *PrivateData ) /*++ Routine Description: 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. --*/ ; VOID InitializeDispatcherData ( IN PEI_CORE_INSTANCE *PrivateData, IN PEI_CORE_INSTANCE *OldCoreData, IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData ) /*++ Routine Description: Initialize the Dispatcher's data members Arguments: PeiServices - The PEI core services table. OldCoreData - Pointer to old core data (before switching stack). 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 --*/ ; 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 PEI_CORE_INSTANCE *Private, IN EFI_PEI_FILE_HANDLE FileHandle, IN UINTN PeimCount ) /*++ Routine Description: 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 --*/ ; // // PPI support functions // VOID InitializePpiServices ( IN PEI_CORE_INSTANCE *PrivateData, IN PEI_CORE_INSTANCE *OldCoreData ) /*++ Routine Description: Initialize PPI services. Arguments: PeiServices - The PEI core services table. OldCoreData - Pointer to the PEI Core data. NULL if being run in non-permament memory mode. Returns: Nothing --*/ ; VOID ConvertPpiPointers ( IN CONST EFI_PEI_SERVICES **PeiServices, IN UINTN OldCheckingBottom, IN UINTN OldCheckingTop, IN EFI_HOB_HANDOFF_INFO_TABLE *NewHandOffHob ) /*++ Routine Description: Migrate the Hob list from the CAR stack to PEI installed memory. Arguments: PeiServices - The PEI core services table. OldCheckingBottom - The old checking bottom. OldCheckingTop - The old checking top. NewHandOffHob - The new handoff HOB list. Returns: --*/ ; 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: 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 --*/ ; 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. 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 --*/ ; EFI_STATUS EFIAPI PeiLocatePpi ( 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: 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: Status - EFI_SUCCESS if the PPI is in the database EFI_NOT_FOUND if the PPI is not in the database --*/ ; 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 --*/ ; VOID ProcessNotifyList ( IN PEI_CORE_INSTANCE *PrivateData ) /*++ Routine Description: Process the Notify List at dispatch level. Arguments: PeiServices - Pointer to the PEI Service Table Returns: --*/ ; VOID DispatchNotify ( 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 // 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: PeiServices - The PEI core services table. BootMode - A pointer to contain the value of the boot mode. Returns: EFI_SUCCESS - The boot mode was returned successfully. EFI_INVALID_PARAMETER - BootMode is NULL. --*/ ; 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 // 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: None --*/ ; 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: Status - EFI_SUCCESS --*/ ; EFI_STATUS VerifyPeim ( IN PEI_CORE_INSTANCE *PrivateData, IN EFI_PEI_FV_HANDLE VolumeHandle, IN EFI_PEI_FILE_HANDLE FileHandle ) /*++ Routine Description: Provide a callout to the security verification service. Arguments: PeiServices - The PEI core services table. CurrentPeimAddress - Pointer to the Firmware File under investigation. Returns: EFI_SUCCESS - Image is OK EFI_SECURITY_VIOLATION - Image is illegal --*/ ; 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: 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) --*/ ; EFI_STATUS EFIAPI PeiCreateHob ( IN CONST EFI_PEI_SERVICES **PeiServices, 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: 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. --*/ ; 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 // EFI_STATUS EFIAPI PeiFfsFindNextFile ( IN CONST EFI_PEI_SERVICES **PeiServices, 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. Returns: EFI_NOT_FOUND - No files matching the search criteria were found EFI_SUCCESS --*/ ; EFI_STATUS EFIAPI PeiFfsFindSectionData ( 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 Returns: EFI_NOT_FOUND - No files matching the search criteria were found EFI_SUCCESS --*/ ; EFI_STATUS EFIAPI PeiFvFindNextVolume ( 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 PEI_CORE_INSTANCE *PrivateData, IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData, 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. NULL if being run in non-permament memory mode. Returns: None --*/ ; 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. Returns: Status - EFI_SUCCESS --*/ ; EFI_STATUS EFIAPI PeiAllocatePages ( IN CONST EFI_PEI_SERVICES **PeiServices, 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. 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. --*/ ; 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 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. --*/ ; EFI_STATUS PeiLoadImage ( IN EFI_PEI_SERVICES **PeiServices, IN EFI_PEI_FILE_HANDLE FileHandle, OUT EFI_PHYSICAL_ADDRESS *EntryPoint, OUT UINT32 *AuthenticationState ) /*++ Routine Description: Get entry point of a Peim file. Arguments: PeiServices - Calling context. PeimFileHeader - Peim file's header. EntryPoint - Entry point of that Peim file. Returns: Status code. --*/ ; EFI_STATUS EFIAPI PeiReportStatusCode ( IN CONST EFI_PEI_SERVICES **PeiServices, IN EFI_STATUS_CODE_TYPE CodeType, IN EFI_STATUS_CODE_VALUE Value, 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 Arguments: PeiServices - The PEI core services table. CodeType - Type of Status Code. Value - Value to output for Status Code. Instance - Instance Number of this status code. CallerId - ID of the caller of this status code. Data - Optional data associated with this status code. Returns: Status - EFI_SUCCESS if status code is successfully reported - EFI_NOT_AVAILABLE_YET if StatusCodePpi has not been installed --*/ ; EFI_STATUS EFIAPI PeiResetSystem ( IN CONST EFI_PEI_SERVICES **PeiServices ) /*++ Routine Description: Core version of the Reset System Arguments: PeiServices - The PEI core services table. Returns: Status - EFI_NOT_AVAILABLE_YET. PPI not available yet. - EFI_DEVICE_ERROR. Did not reset system. Otherwise, resets the system. --*/ ; VOID PeiInitializeFv ( IN PEI_CORE_INSTANCE *PrivateData, IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData ) /*++ Routine Description: Initialize PeiCore Fv List. Arguments: PrivateData - Pointer to PEI_CORE_INSTANCE. SecCoreData - Pointer to EFI_SEC_PEI_HAND_OFF. Returns: NONE --*/ ; EFI_STATUS EFIAPI FirmwareVolmeInfoPpiNotifyCallback ( IN EFI_PEI_SERVICES **PeiServices, IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor, IN VOID *Ppi ) /*++ Routine Description: Process Firmware Volum Information once FvInfoPPI install. Arguments: PeiServices - General purpose services available to every PEIM. Returns: Status - EFI_SUCCESS if the interface could be successfully installed --*/ ; EFI_STATUS EFIAPI PeiFfsFindFileByName ( IN CONST EFI_GUID *FileName, IN EFI_PEI_FV_HANDLE VolumeHandle, OUT EFI_PEI_FILE_HANDLE *FileHandle ) /*++ Routine Description: Given the input VolumeHandle, search for the next matching name file. Arguments: FileName - File name to search. VolumeHandle - The current FV to search. FileHandle - Pointer to the file matching name in VolumeHandle. - NULL if file not found Returns: EFI_STATUS --*/ ; EFI_STATUS EFIAPI PeiFfsGetFileInfo ( IN EFI_PEI_FILE_HANDLE FileHandle, OUT EFI_FV_FILE_INFO *FileInfo ) /*++ Routine Description: Collect information of given file. Arguments: FileHandle - The handle to file. FileInfo - Pointer to the file information. Returns: EFI_STATUS --*/ ; EFI_STATUS EFIAPI PeiFfsGetVolumeInfo ( IN EFI_PEI_FV_HANDLE VolumeHandle, OUT EFI_FV_INFO *VolumeInfo ) /*++ Routine Description: Collect information of given Fv Volume. Arguments: VolumeHandle - The handle to Fv Volume. VolumeInfo - The pointer to volume information. Returns: EFI_STATUS --*/ ; EFI_STATUS EFIAPI PeiRegisterForShadow ( IN EFI_PEI_FILE_HANDLE FileHandle ) /*++ Routine Description: This routine enable a PEIM to register itself to shadow when PEI Foundation discovery permanent memory. Arguments: FileHandle - File handle of a PEIM. Returns: EFI_NOT_FOUND - The file handle doesn't point to PEIM itself. EFI_ALREADY_STARTED - Indicate that the PEIM has been registered itself. EFI_SUCCESS - Successfully to register itself. --*/ ; /** 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. **/ EFI_STATUS EFIAPI PeiRegisterForShadow ( IN EFI_PEI_FILE_HANDLE FileHandle ) ; 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 ) /*++ 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. Flag - Indicator for if this is for PEI Dispath search Returns: EFI_NOT_FOUND - No files matching the search criteria were found EFI_SUCCESS --*/ ; VOID InitializeImageServices ( IN PEI_CORE_INSTANCE *PrivateData, IN PEI_CORE_INSTANCE *OldCoreData ) /*++ Routine Description: Install Pei Load File PPI. Arguments: PrivateData - Pointer to PEI_CORE_INSTANCE. OldCoreData - Pointer to PEI_CORE_INSTANCE. Returns: NONE. --*/ ; /** Get Fv image from the FV type file, then install FV INFO ppi, Build FV hob. @param PeiServices Pointer to the PEI Core Services Table. @param FileHandle File handle of a Fv type file. @param AuthenticationState Pointer to attestation authentication state of image. @retval EFI_NOT_FOUND FV image can't be found. @retval EFI_SUCCESS Successfully to process it. **/ EFI_STATUS ProcessFvFile ( IN EFI_PEI_SERVICES **PeiServices, IN EFI_PEI_FILE_HANDLE FvFileHandle, OUT UINT32 *AuthenticationState ); #endif