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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2646 6f19259b-4bc3-4df7-8a09-765794883524
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yshang1
2007-06-08 11:31:52 +00:00
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MdePkg/Include/Pi/PiPeiCis.h Normal file
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/** @file
PI PEI master include file. This file should match the PI spec.
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: PiPeiCis.h
@par Revision Reference:
Version 1.0.
**/
#ifndef __PI_PEICIS_H__
#define __PI_PEICIS_H__
#include <Pi/PiMultiPhase.h>
#define EFI_NOT_AVAILABLE_YET EFIERR (28)
//
// Handles of EFI FV/FFS.
//
typedef VOID *EFI_PEI_FV_HANDLE;
typedef VOID *EFI_PEI_FILE_HANDLE;
//
// Declare forward referenced data structures
//
typedef struct _EFI_PEI_SERVICES EFI_PEI_SERVICES;
typedef struct _EFI_PEI_NOTIFY_DESCRIPTOR EFI_PEI_NOTIFY_DESCRIPTOR;
#include <Ppi/CpuIo.h>
#include <Ppi/PciCfg2.h>
/**
The PEI Dispatcher will invoke each PEIM one time. During this pass, the PEI
Dispatcher will pass control to the PEIM at the AddressOfEntryPoint in the PE Header.
@param FfsHeader Pointer to the FFS file header.
@param PeiServices Describes the list of possible PEI Services.
@return Status code
**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEIM_ENTRY_POINT)(
IN EFI_FFS_FILE_HEADER *FfsHeader,
IN EFI_PEI_SERVICES **PeiServices
);
/**
Entry point of the notification callback function itself within the PEIM.
@param PeiServices Indirect reference to the PEI Services Table.
@param NotifyDescriptor Address of the notification descriptor data structure.
@param Ppi Address of the PPI that was installed.
@return Status code
**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEIM_NOTIFY_ENTRY_POINT) (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,
IN VOID *Ppi
);
//
// PEI Ppi Services List Descriptors
//
#define EFI_PEI_PPI_DESCRIPTOR_PIC 0x00000001
#define EFI_PEI_PPI_DESCRIPTOR_PPI 0x00000010
#define EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK 0x00000020
#define EFI_PEI_PPI_DESCRIPTOR_NOTIFY_DISPATCH 0x00000040
#define EFI_PEI_PPI_DESCRIPTOR_NOTIFY_TYPES 0x00000060
#define EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST 0x80000000
typedef struct {
UINTN Flags;
EFI_GUID *Guid;
VOID *Ppi;
} EFI_PEI_PPI_DESCRIPTOR;
struct _EFI_PEI_NOTIFY_DESCRIPTOR {
UINTN Flags;
EFI_GUID *Guid;
EFI_PEIM_NOTIFY_ENTRY_POINT Notify;
};
//
// Describes request of the module to be loaded to
// the permanent memory once it is available. Unlike most of the other HOBs,
// this HOB is produced and consumed during the HOB producer phase.
//
typedef struct _EFI_HOB_LOAD_PEIM {
EFI_HOB_GENERIC_HEADER Header;
EFI_PEI_FILE_HANDLE FileHandle;
EFI_PEIM_ENTRY_POINT EntryPoint;
EFI_PEIM_ENTRY_POINT InMemEntryPoint;
} EFI_HOB_LOAD_PEIM;
/**
This service is the first one provided by the PEI Foundation. This function
installs an interface in the PEI PPI database by GUID. The purpose of the
service is to publish an interface that other parties can use to call
additional PEIMs.
@param PeiServices An indirect pointer to the EFI_PEI_SERVICES table
published by the PEI Foundation.
@param PpiList A pointer to the list of interfaces that the caller shall install.
@retval EFI_SUCCESS The interface was successfully installed.
@retval EFI_INVALID_PARAMETER The PpiList pointer is NULL or Any of the PEI PPI descriptors in the list do not have the EFI_PEI_PPI_DESCRIPTOR_PPI bit set in the Flags field.
@retval EFI_OUT_OF_RESOURCES There is no additional space in the PPI database.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_INSTALL_PPI) (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_PPI_DESCRIPTOR *PpiList
);
/**
This function reinstalls an interface in the PEI PPI database by GUID.
The purpose of the service is to publish an interface that other parties
can use to replace a same-named interface in the protocol database
with a different interface.
@param PeiServices An indirect pointer to the EFI_PEI_SERVICES table
published by the PEI Foundation.
@param OldPpi A pointer to the former PPI in the database.
@param NewPpi A pointer to the new interfaces that the caller shall install.
@retval EFI_SUCCESS The interface was successfully installed.
@retval EFI_INVALID_PARAMETER The PpiList pointer is NULL or Any of the PEI PPI descriptors in the
list do not have the EFI_PEI_PPI_DESCRIPTOR_PPI bit set in the Flags field.
@retval EFI_OUT_OF_RESOURCES There is no additional space in the PPI database.
@retval EFI_NOT_FOUND The PPI for which the reinstallation was requested has not been installed.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_REINSTALL_PPI) (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_PPI_DESCRIPTOR *OldPpi,
IN EFI_PEI_PPI_DESCRIPTOR *NewPpi
);
/**
This function locates an interface in the PEI PPI database by GUID.
@param PeiServices An indirect pointer to the EFI_PEI_SERVICES published by the PEI Foundation.
@param Guid A pointer to the GUID whose corresponding interface needs to be found.
@param Instance The N-th instance of the interface that is required.
@param PpiDescriptor A pointer to instance of the EFI_PEI_PPI_DESCRIPTOR.
@param Ppi A pointer to the instance of the interface.
@retval EFI_SUCCESS The interface was successfully returned.
@retval EFI_NOT_FOUND The PPI descriptor is not found in the database.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_LOCATE_PPI) (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_GUID *Guid,
IN UINTN Instance,
IN OUT EFI_PEI_PPI_DESCRIPTOR **PpiDescriptor,
IN OUT VOID **Ppi
);
/**
This function installs a notification service to be called back when a
given interface is installed or reinstalled. The purpose of the service
is to publish an interface that other parties can use to call additional PPIs
that may materialize later.
@param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation
@param NotifyList A pointer to the list of notification interfaces that the caller shall install.
@retval EFI_SUCCESS The interface was successfully installed.
@retval EFI_INVALID_PARAMETER The PpiList pointer is NULL or Any of the PEI PPI descriptors in the
list do not have the EFI_PEI_PPI_DESCRIPTOR_PPI bit set in the Flags field.
@retval EFI_OUT_OF_RESOURCES There is no additional space in the PPI database.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_NOTIFY_PPI) (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyList
);
/**
This function returns 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.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_GET_BOOT_MODE) (
IN EFI_PEI_SERVICES **PeiServices,
OUT EFI_BOOT_MODE *BootMode
);
/**
This function sets the value of the boot mode.
@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.
@retval EFI_SUCCESS The boot mode was returned successfully.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_SET_BOOT_MODE) (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_BOOT_MODE BootMode
);
/**
This function returns the pointer to the list of Hand-Off Blocks (HOBs) in memory.
@param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation
@param HobList A pointer to the list of HOBs that the PEI Foundation will initialize
@retval EFI_SUCCESS The list was successfully returned.
@retval EFI_NOT_AVAILABLE_YET The HOB list is not yet published.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_GET_HOB_LIST) (
IN EFI_PEI_SERVICES **PeiServices,
IN OUT VOID **HobList
);
/**
This service published by the PEI Foundation abstracts the creation of a Hand-Off Block's (HOB's) headers.
@param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
@param Type The type of HOB to be installed.
@param Length The length of the HOB to be added.
@param Hob The address of a pointer that will contain the HOB header.
@retval EFI_SUCCESS The HOB was successfully created.
@retval EFI_OUT_OF_RESOURCES There is no additional space for HOB creation.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_CREATE_HOB) (
IN EFI_PEI_SERVICES **PeiServices,
IN UINT16 Type,
IN UINT16 Length,
IN OUT VOID **Hob
);
/**
The purpose of the service is to abstract the capability of the PEI
Foundation to discover instances of firmware volumes in the system.
Given the input file pointer, this service searches for the next
matching file in the Firmware File System (FFS) volume.
@param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
@param Instance This instance of the firmware volume to find. The value 0 is the Boot Firmware Volume (BFV).
@param FwVolHeader Pointer to the firmware volume header of the volume to return.
@retval EFI_SUCCESS The volume was found.
@retval EFI_NOT_FOUND The volume was not found.
@retval EFI_INVALID_PARAMETER FwVolHeader is NULL
**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_FFS_FIND_NEXT_VOLUME2) (
IN EFI_PEI_SERVICES **PeiServices,
IN UINTN Instance,
IN OUT EFI_FIRMWARE_VOLUME_HEADER **FwVolHeader
);
/**
The purpose of the service is to abstract the capability of the PEI
Foundation to discover instances of firmware files in the system.
Given the input file pointer, this service searches for the next matching
file in the Firmware File System (FFS) volume.
@param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
@param SearchType A filter to find files only of this type.
@param FwVolHeader Pointer to the firmware volume header of the volume to search.This parameter
must point to a valid FFS volume.
@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_SUCCESS The file was found.
@retval EFI_NOT_FOUND The file was not found.
@retval EFI_NOT_FOUND The header checksum was not zero.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_FFS_FIND_NEXT_FILE2) (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_FV_FILETYPE SearchType,
IN EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader,
IN OUT EFI_FFS_FILE_HEADER **FileHeader
);
/**
Given the input file pointer, this service searches for the next
matching file in the Firmware File System (FFS) volume.
@param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
@param SectionType The value of the section type to find.
@param FfsFileHeader A pointer to the file header that contains the set of sections to be searched.
@param SectionData A pointer to the discovered section, if successful.
@retval EFI_SUCCESS The section was found.
@retval EFI_NOT_FOUND The section was not found.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_FFS_FIND_SECTION_DATA2) (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_SECTION_TYPE SectionType,
IN EFI_FFS_FILE_HEADER *FfsFileHeader,
IN OUT VOID **SectionData
);
/**
This function registers the found memory configuration with the PEI Foundation.
@param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
@param MemoryBegin The value of a region of installed memory
@param MemoryLength The corresponding length of a region of installed memory.
@retval EFI_SUCCESS The region was successfully installed in a HOB.
@retval EFI_INVALID_PARAMETER MemoryBegin and MemoryLength are illegal for this system.
@retval EFI_OUT_OF_RESOURCES There is no additional space for HOB creation.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_INSTALL_PEI_MEMORY) (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PHYSICAL_ADDRESS MemoryBegin,
IN UINT64 MemoryLength
);
/**
The purpose of the service is to publish an interface that allows
PEIMs to allocate memory ranges that are managed by the PEI Foundation.
@param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
@param MemoryType The type of memory to allocate.
@param Pages The number of contiguous 4 KB pages to allocate.
@param Memory Pointer to a physical address. On output, the address is set to the base
of the page range that was allocated.
@retval EFI_SUCCESS The memory range was successfully allocated.
@retval EFI_OUT_OF_RESOURCES The pages could not be allocated.
@retval EFI_INVALID_PARAMETER Type is not equal to AllocateAnyPages.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_ALLOCATE_PAGES) (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_MEMORY_TYPE MemoryType,
IN UINTN Pages,
IN OUT EFI_PHYSICAL_ADDRESS *Memory
);
/**
The purpose of this service is to publish an interface that
allows PEIMs to allocate memory ranges that are managed by the PEI Foundation.
@param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
@param Size The number of bytes to allocate from the pool.
@param Buffer If the call succeeds, a pointer to a pointer to the allocated buffer; undefined otherwise.
@retval EFI_SUCCESS The allocation was successful.
@retval EFI_OUT_OF_RESOURCES There is not enough heap to allocate the requested size.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_ALLOCATE_POOL) (
IN EFI_PEI_SERVICES **PeiServices,
IN UINTN Size,
OUT VOID **Buffer
);
/**
This service copies the contents of one buffer to another buffer.
@param Destination Pointer to the destination buffer of the memory copy.
@param Source Pointer to the source buffer of the memory copy
@param Length Number of bytes to copy from Source to Destination.
@return None
**/
typedef
VOID
(EFIAPI *EFI_PEI_COPY_MEM) (
IN VOID *Destination,
IN VOID *Source,
IN UINTN Length
);
/**
The service fills a buffer with a specified value.
@param Buffer Pointer to the buffer to fill.
@param Size Number of bytes in Buffer to fill.
@param Value Value to fill Buffer with
@return None
**/
typedef
VOID
(EFIAPI *EFI_PEI_SET_MEM) (
IN VOID *Buffer,
IN UINTN Size,
IN UINT8 Value
);
/**
This service publishes an interface that allows PEIMs to report status codes.
@param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
@param Type Indicates the type of status code being reported.
@param Value Describes the current status of a hardware or
software entity. This includes information about the class and
subclass that is used to classify the entity as well as an operation.
For progress codes, the operation is the current activity.
For error codes, it is the exception.For debug codes,it is not defined at this time.
@param Instance The enumeration of a hardware or software entity within
the system. A system may contain multiple entities that match a class/subclass
pairing. The instance differentiates between them. An instance of 0 indicates
that instance information is unavailable, not meaningful, or not relevant.
Valid instance numbers start with 1.
@param CallerId This optional parameter may be used to identify the caller.
This parameter allows the status code driver to apply different rules to
different callers.
@param Data This optional parameter may be used to pass additional data.
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_NOT_AVAILABLE_YET No progress code provider has installed an interface in the system.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_REPORT_STATUS_CODE) (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_STATUS_CODE_TYPE Type,
IN EFI_STATUS_CODE_VALUE Value,
IN UINT32 Instance,
IN EFI_GUID *CallerId OPTIONAL,
IN EFI_STATUS_CODE_DATA *Data OPTIONAL
);
/**
Resets the entire platform.
@param PeiServices An indirect pointer to the EFI_PEI_SERVICES
table published by the PEI Foundation.
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_NOT_AVAILABLE_YET The service has not been installed yet.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_RESET_SYSTEM) (
IN EFI_PEI_SERVICES **PeiServices
);
/**
This service searches for files with a specific name, within
either the specified firmware volume or all firmware volumes.
The service returns a file handle of type EFI_PEI_FILE_HANDLE,
which must be unique within the system.
@param FileName A pointer to the name of the file to
find within the firmware volume.
@param VolumeHandle The firmware volume to search FileHandle
Upon exit, points to the found file's
handle or NULL if it could not be found.
@retval EFI_SUCCESS File was found.
@retval EFI_NOT_FOUND File was not found.
@retval EFI_INVALID_PARAMETER VolumeHandle or FileHandle or
FileName was NULL.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_FFS_FIND_BY_NAME) (
IN CONST EFI_GUID *FileName,
IN CONST EFI_PEI_FV_HANDLE VolumeHandle,
OUT EFI_PEI_FILE_HANDLE *FileHandle
);
/**
@param FileName Name of the file.
@param FileType File type. See EFI_FV_FILETYPE, which is
defined in the Platform Initialization
Firmware Storage Specification.
@param FileAttributes Attributes of the file. Type
EFI_FV_FILE_ATTRIBUTES is defined in
the Platform Initialization Firmware
Storage Specification.
@param Buffer Points to the file's data (not the header).
Not valid if EFI_FV_FILE_ATTRIB_MEMORY_MAPPED
is zero.
@param BufferSize Size of the file's data.
**/
typedef struct {
EFI_GUID FileName;
EFI_FV_FILETYPE FileType;
EFI_FV_FILE_ATTRIBUTES FileAttributes;
VOID *Buffer;
UINT32 BufferSize;
} EFI_FV_FILE_INFO;
/**
This function returns information about a specific file,
including its file name, type, attributes, starting address and
size. If the firmware volume is not memory mapped then the
Buffer member will be NULL.
@param FileHandle Handle of the file.
@param FileInfo Upon exit, points to the file<6C><65>s
information.
@retval EFI_SUCCESS File information returned.
@retval EFI_INVALID_PARAMETER If FileHandle does not
represent a valid file.
@retval EFI_INVALID_PARAMETER If FileInfo is NULL.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_FFS_GET_FILE_INFO) (
IN CONST EFI_PEI_FILE_HANDLE FileHandle,
OUT EFI_FV_FILE_INFO *FileInfo
);
/**
@param FvAttributes Attributes of the firmware volume. Type
EFI_FVB_ATTRIBUTES is defined in the
Platform Initialization Firmware Storage
Specficiation.
@param FvFormat Format of the firmware volume. For PI
Architecture Firmware Volumes, this can
be copied from FileSystemGuid in
EFI_FIRMWARE_VOLUME_HEADER.
@param FvName Name of the firmware volume. For PI
Architecture Firmware Volumes, this can
be copied from VolumeName in the
extended header of
EFI_FIRMWARE_VOLUME_HEADER.
@param FvStart Points to the first byte of the firmware
volume, if bit EFI_FVB_MEMORY_MAPPED is
set in FvAttributes. FvSize Size of the
firmware volume.
**/
typedef struct {
EFI_FVB_ATTRIBUTES FvAttributes;
EFI_GUID FvFormat;
EFI_GUID FvName;
VOID *FvStart;
UINT64 FvSize;
} EFI_FV_INFO;
/**
This function returns information about a specific firmware
volume, including its name, type, attributes, starting address
and size.
@param VolumeHandle Handle of the volume.
@param VolumeInfo Upon exit, points to the volume<6D><65>s
information.
@retval EFI_SUCCESS File information returned.
@retval EFI_INVALID_PARAMETER If FileHandle does not
represent a valid file.
@retval EFI_INVALID_PARAMETER If FileInfo is NULL.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_FFS_GET_VOLUME_INFO) (
IN CONST EFI_PEI_FV_HANDLE *VolumeHandle,
OUT EFI_FV_INFO *VolumeInfo
);
/**
This service registers a file handle so that after memory is
available, the PEIM will be re-loaded into permanent memory and
re-initialized. The PEIM registered this way will always be
initialized twice. The first time, this function call will
return EFI_SUCCESS. The second time, this function call will
return EFI_ALREADY_STARTED. Depending on the order in which
PEIMs are dispatched, the PEIM making this call may be
initialized after permanent memory is installed, even the first
time.
@param FileHandle PEIM<49><4D>s file handle. Must be the currently
xecuting PEIM.
@retval EFI_SUCCESS The PEIM was successfully registered for
shadowing.
@retval EFI_ALREADY_STARTED The PEIM was previously
registered for shadowing.
@retval EFI_NOT_FOUND The FileHandle does not refer to a
valid file handle.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_REGISTER_FOR_SHADOW) (
IN CONST EFI_PEI_FILE_HANDLE FileHandle
);
//
// PEI Specification Revision information
//
#define PEI_SPECIFICATION_MAJOR_REVISION 1
#define PEI_SPECIFICATION_MINOR_REVISION 0
//
// PEI Services Table
//
#define PEI_SERVICES_SIGNATURE 0x5652455320494550
#define PEI_SERVICES_REVISION (PEI_SPECIFICATION_MAJOR_REVISION<<16) | (PEI_SPECIFICATION_MINOR_REVISION)
struct EFI_PEI_SERVICES {
EFI_TABLE_HEADER Hdr;
//
// PPI Functions
//
EFI_PEI_INSTALL_PPI InstallPpi;
EFI_PEI_REINSTALL_PPI ReInstallPpi;
EFI_PEI_LOCATE_PPI LocatePpi;
EFI_PEI_NOTIFY_PPI NotifyPpi;
//
// Boot Mode Functions
//
EFI_PEI_GET_BOOT_MODE GetBootMode;
EFI_PEI_SET_BOOT_MODE SetBootMode;
//
// HOB Functions
//
EFI_PEI_GET_HOB_LIST GetHobList;
EFI_PEI_CREATE_HOB CreateHob;
//
// Firmware Volume Functions
//
EFI_PEI_FFS_FIND_NEXT_VOLUME2 FfsFindNextVolume;
EFI_PEI_FFS_FIND_NEXT_FILE2 FfsFindNextFile;
EFI_PEI_FFS_FIND_SECTION_DATA2 FfsFindSectionData;
//
// PEI Memory Functions
//
EFI_PEI_INSTALL_PEI_MEMORY InstallPeiMemory;
EFI_PEI_ALLOCATE_PAGES AllocatePages;
EFI_PEI_ALLOCATE_POOL AllocatePool;
EFI_PEI_COPY_MEM CopyMem;
EFI_PEI_SET_MEM SetMem;
//
// Status Code
EFI_PEI_REPORT_STATUS_CODE ReportStatusCode;
//
// Reset
//
EFI_PEI_RESET_SYSTEM ResetSystem;
//
// (the following interfaces are installed by publishing PEIM)
//
// I/O Abstractions
//
EFI_PEI_CPU_IO_PPI *CpuIo;
EFI_PEI_PCI_CFG2_PPI *PciCfg;
//
// Future Installed Services
EFI_PEI_FFS_FIND_BY_NAME FfsFindFileByName;
EFI_PEI_FFS_GET_FILE_INFO FfsGetFileInfo;
EFI_PEI_FFS_GET_VOLUME_INFO FfsGetVolumeInfo;
EFI_PEI_REGISTER_FOR_SHADOW RegisterForShadow;
} ;
typedef struct _EFI_SEC_PEI_HAND_OFF {
//
// Size of the data structure.
//
UINT16 DataSize;
//
// Points to the first byte of the boot firmware volume,
// which the PEI Dispatcher should search for
// PEI modules.
//
VOID *BootFirmwareVolumeBase;
//
// Size of the boot firmware volume, in bytes.
//
UINTN BootFirmwareVolumeSize;
//
// Points to the first byte of the temporary RAM.
//
VOID *TemporaryRamBase;
//
// Size of the temporary RAM, in bytes.
//
UINTN TemporaryRamSize;
//
// Points to the first byte of the temporary RAM
// available for use by the PEI Foundation. The area
// described by PeiTemporaryRamBase and PeiTemporaryRamSize
// must not extend outside beyond the area described by
// TemporaryRamBase & TemporaryRamSize. This area should not
// overlap with the area reported by StackBase and
// StackSize.
//
VOID *PeiTemporaryRamBase;
//
// Size of the available temporary RAM available for
// use by the PEI Foundation, in bytes.
//
UINTN PeiTemporaryRamSize;
//
// Points to the first byte of the stack.
// This are may be part of the memory described by
// TemporaryRamBase and TemporaryRamSize
// or may be an entirely separate area.
//
VOID *StackBase;
//
// Size of the stack, in bytes.
//
UINTN StackSize;
} EFI_SEC_PEI_HAND_OFF;
#endif