mirror of https://github.com/acidanthera/audk.git
224 lines
8.0 KiB
C
224 lines
8.0 KiB
C
/** @file
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Master header file for DxeIpl PEIM. All source files in this module should
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include this file for common definitions.
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Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef __PEI_DXEIPL_H__
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#define __PEI_DXEIPL_H__
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#include <PiPei.h>
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#include <Ppi/DxeIpl.h>
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#include <Ppi/EndOfPeiPhase.h>
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#include <Ppi/MemoryDiscovered.h>
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#include <Ppi/ReadOnlyVariable2.h>
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#include <Ppi/Decompress.h>
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#include <Ppi/FirmwareVolumeInfo.h>
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#include <Ppi/GuidedSectionExtraction.h>
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#include <Ppi/LoadFile.h>
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#include <Ppi/S3Resume2.h>
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#include <Ppi/RecoveryModule.h>
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#include <Guid/MemoryTypeInformation.h>
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#include <Guid/MemoryAllocationHob.h>
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#include <Guid/FirmwareFileSystem2.h>
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#include <Library/DebugLib.h>
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#include <Library/PeimEntryPoint.h>
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#include <Library/BaseLib.h>
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#include <Library/HobLib.h>
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#include <Library/PeiServicesLib.h>
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#include <Library/ReportStatusCodeLib.h>
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#include <Library/UefiDecompressLib.h>
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#include <Library/ExtractGuidedSectionLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/PcdLib.h>
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#include <Library/S3Lib.h>
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#include <Library/RecoveryLib.h>
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#include <Library/DebugAgentLib.h>
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#define STACK_SIZE 0x20000
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#define BSP_STORE_SIZE 0x4000
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//
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// This PPI is installed to indicate the end of the PEI usage of memory
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//
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extern CONST EFI_PEI_PPI_DESCRIPTOR gEndOfPeiSignalPpi;
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/**
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Searches DxeCore in all firmware Volumes and loads the first
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instance that contains DxeCore.
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@return FileHandle of DxeCore to load DxeCore.
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**/
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EFI_PEI_FILE_HANDLE
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DxeIplFindDxeCore (
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VOID
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);
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/**
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Main entry point to last PEIM
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@param This Entry point for DXE IPL PPI
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@param PeiServices General purpose services available to every PEIM.
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@param HobList Address to the Pei HOB list
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@return EFI_SUCCESS DXE core was successfully loaded.
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@return EFI_OUT_OF_RESOURCES There are not enough resources to load DXE core.
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**/
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EFI_STATUS
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EFIAPI
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DxeLoadCore (
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IN CONST EFI_DXE_IPL_PPI *This,
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IN EFI_PEI_SERVICES **PeiServices,
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IN EFI_PEI_HOB_POINTERS HobList
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);
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/**
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Transfers control to DxeCore.
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This function performs a CPU architecture specific operations to execute
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the entry point of DxeCore with the parameters of HobList.
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It also installs EFI_END_OF_PEI_PPI to signal the end of PEI phase.
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@param DxeCoreEntryPoint The entry point of DxeCore.
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@param HobList The start of HobList passed to DxeCore.
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**/
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VOID
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HandOffToDxeCore (
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IN EFI_PHYSICAL_ADDRESS DxeCoreEntryPoint,
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IN EFI_PEI_HOB_POINTERS HobList
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);
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/**
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Updates the Stack HOB passed to DXE phase.
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This function traverses the whole HOB list and update the stack HOB to
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reflect the real stack that is used by DXE core.
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@param BaseAddress The lower address of stack used by DxeCore.
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@param Length The length of stack used by DxeCore.
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**/
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VOID
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UpdateStackHob (
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IN EFI_PHYSICAL_ADDRESS BaseAddress,
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IN UINT64 Length
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);
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/**
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The ExtractSection() function processes the input section and
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returns a pointer to the section contents. If the section being
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extracted does not require processing (if the section
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GuidedSectionHeader.Attributes has the
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EFI_GUIDED_SECTION_PROCESSING_REQUIRED field cleared), then
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OutputBuffer is just updated to point to the start of the
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section's contents. Otherwise, *Buffer must be allocated
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from PEI permanent memory.
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@param This Indicates the
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EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI instance.
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Buffer containing the input GUIDed section to be
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processed. OutputBuffer OutputBuffer is
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allocated from PEI permanent memory and contains
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the new section stream.
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@param InputSection A pointer to the input buffer, which contains
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the input section to be processed.
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@param OutputBuffer A pointer to a caller-allocated buffer, whose
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size is specified by the contents of OutputSize.
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@param OutputSize A pointer to a caller-allocated
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UINTN in which the size of *OutputBuffer
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allocation is stored. If the function
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returns anything other than EFI_SUCCESS,
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the value of OutputSize is undefined.
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@param AuthenticationStatus A pointer to a caller-allocated
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UINT32 that indicates the
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authentication status of the
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output buffer. If the input
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section's GuidedSectionHeader.
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Attributes field has the
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EFI_GUIDED_SECTION_AUTH_STATUS_VALID
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bit as clear,
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AuthenticationStatus must return
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zero. These bits reflect the
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status of the extraction
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operation. If the function
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returns anything other than
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EFI_SUCCESS, the value of
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AuthenticationStatus is
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undefined.
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@retval EFI_SUCCESS The InputSection was
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successfully processed and the
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section contents were returned.
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@retval EFI_OUT_OF_RESOURCES The system has insufficient
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resources to process the request.
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@retval EFI_INVALID_PARAMETER The GUID in InputSection does
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not match this instance of the
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GUIDed Section Extraction PPI.
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**/
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EFI_STATUS
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EFIAPI
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CustomGuidedSectionExtract (
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IN CONST EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI *This,
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IN CONST VOID *InputSection,
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OUT VOID **OutputBuffer,
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OUT UINTN *OutputSize,
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OUT UINT32 *AuthenticationStatus
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);
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/**
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Decompresses a section to the output buffer.
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This function looks up the compression type field in the input section and
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applies the appropriate compression algorithm to compress the section to a
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callee allocated buffer.
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@param This Points to this instance of the
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EFI_PEI_DECOMPRESS_PEI PPI.
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@param CompressionSection Points to the compressed section.
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@param OutputBuffer Holds the returned pointer to the decompressed
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sections.
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@param OutputSize Holds the returned size of the decompress
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section streams.
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@retval EFI_SUCCESS The section was decompressed successfully.
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OutputBuffer contains the resulting data and
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OutputSize contains the resulting size.
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**/
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EFI_STATUS
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EFIAPI
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Decompress (
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IN CONST EFI_PEI_DECOMPRESS_PPI *This,
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IN CONST EFI_COMPRESSION_SECTION *CompressionSection,
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OUT VOID **OutputBuffer,
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OUT UINTN *OutputSize
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);
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#endif
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