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audk/MdeModulePkg/Core/DxeIplPeim/DxeIpl.h

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/** @file
Master header file for DxeIpl PEIM. All source files in this module should
include this file for common defininitions.
Copyright (c) 2006 - 2008, Intel Corporation. <BR>
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.
**/
#ifndef __PEI_DXEIPL_H__
#define __PEI_DXEIPL_H__
#include <PiPei.h>
#include <Ppi/DxeIpl.h>
#include <Ppi/EndOfPeiPhase.h>
#include <Ppi/MemoryDiscovered.h>
#include <Ppi/ReadOnlyVariable2.h>
#include <Ppi/Decompress.h>
#include <Ppi/FirmwareVolumeInfo.h>
#include <Ppi/GuidedSectionExtraction.h>
#include <Guid/MemoryTypeInformation.h>
#include <Guid/MemoryAllocationHob.h>
#include <Guid/FirmwareFileSystem2.h>
#include <Library/DebugLib.h>
#include <Library/PeimEntryPoint.h>
#include <Library/BaseLib.h>
#include <Library/HobLib.h>
#include <Library/PeiServicesLib.h>
#include <Library/ReportStatusCodeLib.h>
#include <Library/CacheMaintenanceLib.h>
#include <Library/UefiDecompressLib.h>
#include <Library/ExtractGuidedSectionLib.h>
#include <Library/PeiServicesTablePointerLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/PcdLib.h>
#include <Library/PeCoffLib.h>
#include <Library/S3Lib.h>
#include <Library/RecoveryLib.h>
#define STACK_SIZE 0x20000
#define BSP_STORE_SIZE 0x4000
//
// This macro aligns the ActualSize with a given alignment and is used to
// calculate the size an image occupies.
//
#define GET_OCCUPIED_SIZE(ActualSize, Alignment) ((ActualSize + (Alignment - 1)) & ~(Alignment - 1))
//
// Indicate whether DxeIpl has been shadowed to memory.
//
extern BOOLEAN gInMemory;
//
// This PPI is installed to indicate the end of the PEI usage of memory
//
extern CONST EFI_PEI_PPI_DESCRIPTOR gEndOfPeiSignalPpi;
/**
Loads and relocates a PE/COFF image into memory.
@param FileHandle The image file handle
@param ImageAddress The base address of the relocated PE/COFF image
@param ImageSize The size of the relocated PE/COFF image
@param EntryPoint The entry point of the relocated PE/COFF image
@return EFI_SUCCESS The file was loaded and relocated
@return EFI_OUT_OF_RESOURCES There was not enough memory to load and relocate the PE/COFF file
**/
EFI_STATUS
PeiLoadFile (
IN EFI_PEI_FILE_HANDLE FileHandle,
OUT EFI_PHYSICAL_ADDRESS *ImageAddress,
OUT UINT64 *ImageSize,
OUT EFI_PHYSICAL_ADDRESS *EntryPoint
);
/**
Searches DxeCore in all firmware Volumes and loads the first
instance that contains DxeCore.
@return FileHandle of DxeCore to load DxeCore.
**/
EFI_PEI_FILE_HANDLE
DxeIplFindDxeCore (
VOID
);
/**
This function simply retrieves the function pointer of ImageRead in
ImageContext structure.
@param ImageContext A pointer to the structure of
PE_COFF_LOADER_IMAGE_CONTEXT
@retval EFI_SUCCESS This function always return EFI_SUCCESS.
**/
EFI_STATUS
GetImageReadFunction (
IN PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext
);
/**
Main entry point to last PEIM
@param This Entry point for DXE IPL PPI
@param PeiServices General purpose services available to every PEIM.
@param HobList Address to the Pei HOB list
@return EFI_SUCCESS DXE core was successfully loaded.
@return EFI_OUT_OF_RESOURCES There are not enough resources to load DXE core.
**/
EFI_STATUS
EFIAPI
DxeLoadCore (
IN CONST EFI_DXE_IPL_PPI *This,
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_HOB_POINTERS HobList
);
/**
Transfers control to DxeCore.
This function performs a CPU architecture specific operations to execute
the entry point of DxeCore with the parameters of HobList.
It also intalls EFI_END_OF_PEI_PPI to signal the end of PEI phase.
@param DxeCoreEntryPoint The entrypoint of DxeCore.
@param HobList The start of HobList passed to DxeCore.
**/
VOID
HandOffToDxeCore (
IN EFI_PHYSICAL_ADDRESS DxeCoreEntryPoint,
IN EFI_PEI_HOB_POINTERS HobList
);
/**
Updates the Stack HOB passed to DXE phase.
This function traverses the whole HOB list and update the stack HOB to
reflect the real stack that is used by DXE core.
@param BaseAddress The lower address of stack used by DxeCore.
@param Length The length of stack used by DxeCore.
**/
VOID
UpdateStackHob (
IN EFI_PHYSICAL_ADDRESS BaseAddress,
IN UINT64 Length
);
/**
The ExtractSection() function processes the input section and
returns a pointer to the section contents. If the section being
extracted does not require processing (if the section
GuidedSectionHeader.Attributes has the
EFI_GUIDED_SECTION_PROCESSING_REQUIRED field cleared), then
OutputBuffer is just updated to point to the start of the
section's contents. Otherwise, *Buffer must be allocated
from PEI permanent memory.
@param This Indicates the
EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI instance.
Buffer containing the input GUIDed section to be
processed. OutputBuffer OutputBuffer is
allocated from PEI permanent memory and contains
the new section stream.
@param InputSection A pointer to the input buffer, which contains
the input section to be processed.
@param OutputBuffer A pointer to a caller-allocated buffer, whose
size is specified by the contents of OutputSize.
@param OutputSize A pointer to a caller-allocated
UINTN in which the size of *OutputBuffer
allocation is stored. If the function
returns anything other than EFI_SUCCESS,
the value of OutputSize is undefined.
@param AuthenticationStatus A pointer to a caller-allocated
UINT32 that indicates the
authentication status of the
output buffer. If the input
section's GuidedSectionHeader.
Attributes field has the
EFI_GUIDED_SECTION_AUTH_STATUS_VALID
bit as clear,
AuthenticationStatus must return
zero. These bits reflect the
status of the extraction
operation. If the function
returns anything other than
EFI_SUCCESS, the value of
AuthenticationStatus is
undefined.
@retval EFI_SUCCESS The InputSection was
successfully processed and the
section contents were returned.
@retval EFI_OUT_OF_RESOURCES The system has insufficient
resources to process the request.
@retval EFI_INVALID_PARAMETER The GUID in InputSection does
not match this instance of the
GUIDed Section Extraction PPI.
**/
EFI_STATUS
CustomGuidedSectionExtract (
IN CONST EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI *This,
IN CONST VOID *InputSection,
OUT VOID **OutputBuffer,
OUT UINTN *OutputSize,
OUT UINT32 *AuthenticationStatus
);
/**
Decompresses a section to the output buffer.
This function lookes up the compression type field in the input section and
applies the appropriate compression algorithm to compress the section to a
callee allocated buffer.
@param This Points to this instance of the
EFI_PEI_DECOMPRESS_PEI PPI.
@param CompressionSection Points to the compressed section.
@param OutputBuffer Holds the returned pointer to the decompressed
sections.
@param OutputSize Holds the returned size of the decompress
section streams.
@retval EFI_SUCCESS The section was decompressed successfully.
OutputBuffer contains the resulting data and
OutputSize contains the resulting size.
**/
EFI_STATUS
EFIAPI
Decompress (
IN CONST EFI_PEI_DECOMPRESS_PPI *This,
IN CONST EFI_COMPRESSION_SECTION *CompressionSection,
OUT VOID **OutputBuffer,
OUT UINTN *OutputSize
);
/**
Initializes the Dxe Ipl PPI
@param FfsHandle The handle of FFS file.
@param PeiServices General purpose services available to
every PEIM.
@return EFI_SUCESS
**/
EFI_STATUS
EFIAPI
PeimInitializeDxeIpl (
IN EFI_PEI_FILE_HANDLE FfsHandle,
IN EFI_PEI_SERVICES **PeiServices
);
#endif
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