1. change *.msa to *.inf, and create platform configuration files .dec&.dsc&.fdf to comply with Edk2 build process 2. using PCD mechanism to replace macro. 3. change Sec code to cowork with PI1.0 Pei Core and produce temparory memory ppi. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5380 6f19259b-4bc3-4df7-8a09-765794883524
		
			
				
	
	
		
			226 lines
		
	
	
		
			8.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			226 lines
		
	
	
		
			8.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/**@file
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Copyright (c) 2006 - 2008, Intel Corporation
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All rights reserved. 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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Module Name:
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  DxeUnixPeCoffLib.c
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Abstract:
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  Wrap the Unix PE/COFF loader with the PE COFF LOADER guid structure
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  to produce PeCoff library class.
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**/
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#include <PiDxe.h>
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#include <Guid/PeiPeCoffLoader.h>
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#include <Library/DebugLib.h>
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#include <Library/PeCoffLib.h>
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#include <Library/HobLib.h>
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EFI_PEI_PE_COFF_LOADER_PROTOCOL  *mPeiEfiPeiPeCoffLoader;
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/**
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  The constructor function gets the pointer to PeCofferLoader guid structure
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  from the guid data hob.
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  It will ASSERT() if the guid hob of PeCofferLoader guid structure doesn't exist.
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  @param  ImageHandle   The firmware allocated handle for the EFI image.
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  @param  SystemTable   A pointer to the EFI System Table.
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  @retval EFI_SUCCESS   The constructor always returns EFI_SUCCESS.
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**/
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EFI_STATUS
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EFIAPI
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DxeUnixPeCoffLibConstructor (
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  IN EFI_HANDLE        ImageHandle,
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  IN EFI_SYSTEM_TABLE  *SystemTable
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  )
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{
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  EFI_HOB_GUID_TYPE    *GuidHob;
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  //
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  // Find guid data hob that contains PeCoffLoader guid structure.
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  //
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  GuidHob = GetFirstGuidHob (&gEfiPeiPeCoffLoaderGuid);
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  ASSERT (GuidHob != NULL);
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  //
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  // Get PeCofferLoader guid structure from guid hob data.
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  //
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  mPeiEfiPeiPeCoffLoader = (EFI_PEI_PE_COFF_LOADER_PROTOCOL *)(*(UINTN *)(GET_GUID_HOB_DATA (GuidHob)));
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  return EFI_SUCCESS;
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}
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/**
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  Retrieves information about a PE/COFF image.
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  Computes the PeCoffHeaderOffset, ImageAddress, ImageSize, DestinationAddress, CodeView,
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  PdbPointer, RelocationsStripped, SectionAlignment, SizeOfHeaders, and DebugDirectoryEntryRva
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  fields of the ImageContext structure.  If ImageContext is NULL, then return RETURN_INVALID_PARAMETER.
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  If the PE/COFF image accessed through the ImageRead service in the ImageContext structure is not
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  a supported PE/COFF image type, then return RETURN_UNSUPPORTED.  If any errors occur while
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  computing the fields of ImageContext, then the error status is returned in the ImageError field of
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  ImageContext. 
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  @param  ImageContext              Pointer to the image context structure that describes the PE/COFF
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                                    image that needs to be examined by this function.
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  @retval RETURN_SUCCESS            The information on the PE/COFF image was collected.
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  @retval RETURN_INVALID_PARAMETER  ImageContext is NULL.
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  @retval RETURN_UNSUPPORTED        The PE/COFF image is not supported.
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**/
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RETURN_STATUS
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EFIAPI
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PeCoffLoaderGetImageInfo (
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  IN OUT PE_COFF_LOADER_IMAGE_CONTEXT  *ImageContext
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  )
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{
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    return mPeiEfiPeiPeCoffLoader->GetImageInfo (mPeiEfiPeiPeCoffLoader, ImageContext);
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}
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/**
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  Applies relocation fixups to a PE/COFF image that was loaded with PeCoffLoaderLoadImage().
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  If the DestinationAddress field of ImageContext is 0, then use the ImageAddress field of
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  ImageContext as the relocation base address.  Otherwise, use the DestinationAddress field
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  of ImageContext as the relocation base address.  The caller must allocate the relocation
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  fixup log buffer and fill in the FixupData field of ImageContext prior to calling this function.  
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  If ImageContext is NULL, then ASSERT().
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  @param  ImageContext        Pointer to the image context structure that describes the PE/COFF
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                              image that is being relocated.
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  @retval RETURN_SUCCESS      The PE/COFF image was relocated.
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                              Extended status information is in the ImageError field of ImageContext.
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  @retval RETURN_LOAD_ERROR   The image in not a valid PE/COFF image.
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                              Extended status information is in the ImageError field of ImageContext.
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  @retval RETURN_UNSUPPORTED  A relocation record type is not supported.
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                              Extended status information is in the ImageError field of ImageContext.
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**/
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RETURN_STATUS
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EFIAPI
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PeCoffLoaderRelocateImage (
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  IN OUT PE_COFF_LOADER_IMAGE_CONTEXT  *ImageContext
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  )
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{
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  return mPeiEfiPeiPeCoffLoader->RelocateImage (mPeiEfiPeiPeCoffLoader, ImageContext);
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}
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/**
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  Loads a PE/COFF image into memory.
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  Loads the PE/COFF image accessed through the ImageRead service of ImageContext into the buffer
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  specified by the ImageAddress and ImageSize fields of ImageContext.  The caller must allocate
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  the load buffer and fill in the ImageAddress and ImageSize fields prior to calling this function.
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  The EntryPoint, FixupDataSize, CodeView, and PdbPointer fields of ImageContext are computed.
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  If ImageContext is NULL, then ASSERT().
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  @param  ImageContext              Pointer to the image context structure that describes the PE/COFF
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                                    image that is being loaded.
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  @retval RETURN_SUCCESS            The PE/COFF image was loaded into the buffer specified by
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                                    the ImageAddress and ImageSize fields of ImageContext.
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                                    Extended status information is in the ImageError field of ImageContext.
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  @retval RETURN_BUFFER_TOO_SMALL   The caller did not provide a large enough buffer.
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                                    Extended status information is in the ImageError field of ImageContext.
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  @retval RETURN_LOAD_ERROR         The PE/COFF image is an EFI Runtime image with no relocations.
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                                    Extended status information is in the ImageError field of ImageContext.
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  @retval RETURN_INVALID_PARAMETER  The image address is invalid.
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                                    Extended status information is in the ImageError field of ImageContext.
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**/
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RETURN_STATUS
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EFIAPI
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PeCoffLoaderLoadImage (
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  IN OUT PE_COFF_LOADER_IMAGE_CONTEXT  *ImageContext
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  )
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{
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  return mPeiEfiPeiPeCoffLoader->LoadImage (mPeiEfiPeiPeCoffLoader, ImageContext);
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}
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/**
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  ImageRead function that operates on a memory buffer whos base is passed into
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  FileHandle. 
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  @param  FileHandle        Ponter to baes of the input stream
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  @param  FileOffset        Offset to the start of the buffer
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  @param  ReadSize          Number of bytes to copy into the buffer
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  @param  Buffer            Location to place results of read
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  @retval RETURN_SUCCESS    Data is read from FileOffset from the Handle into 
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                            the buffer.
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**/
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RETURN_STATUS
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EFIAPI
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PeCoffLoaderImageReadFromMemory (
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  IN     VOID    *FileHandle,
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  IN     UINTN   FileOffset,
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  IN OUT UINTN   *ReadSize,
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  OUT    VOID    *Buffer
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  )
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{
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  return RETURN_UNSUPPORTED;
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}
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/**
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  Reapply fixups on a fixed up PE32/PE32+ image to allow virutal calling at EFI
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  runtime. 
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  PE_COFF_LOADER_IMAGE_CONTEXT.FixupData stores information needed to reapply
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  the fixups with a virtual mapping.
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  @param  ImageBase          Base address of relocated image
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  @param  VirtImageBase      Virtual mapping for ImageBase
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  @param  ImageSize          Size of the image to relocate
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  @param  RelocationData     Location to place results of read
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**/
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VOID
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EFIAPI
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PeCoffLoaderRelocateImageForRuntime (
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  IN  PHYSICAL_ADDRESS        ImageBase,
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  IN  PHYSICAL_ADDRESS        VirtImageBase,
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  IN  UINTN                   ImageSize,
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  IN  VOID                    *RelocationData
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  )
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{
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}
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/**
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  Unloads a loaded PE/COFF image from memory and releases its taken resource.
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  For Unix emulator, the PE/COFF image loaded by system needs to release.
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  For real platform, the PE/COFF image loaded by Core doesn't needs to be unloaded, 
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  this function can simply return RETURN_SUCCESS.
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  @param  ImageContext              Pointer to the image context structure that describes the PE/COFF
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                                    image to be unloaded.
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  @retval RETURN_SUCCESS            The PE/COFF image was unloaded successfully.
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**/
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RETURN_STATUS
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EFIAPI
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PeCoffLoaderUnloadImage (
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  IN PE_COFF_LOADER_IMAGE_CONTEXT         *ImageContext
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  )
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{
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  return mPeiEfiPeiPeCoffLoader->UnloadImage (mPeiEfiPeiPeCoffLoader, ImageContext);
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}
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