Step to UEFI (271）资源打包再研究

if File.Ext.upper() == '.PNG':
        TempBuffer = pack('B', EFI_HII_IIBT_IMAGE_PNG)
        TempBuffer += pack('I', len(Buffer))
        TempBuffer += Buffer
    elif File.Ext.upper() == '.JPG':
        ImageType, = struct.unpack('4s', Buffer[6:10])
        if ImageType != b'JFIF':
            EdkLogger.error("build", FILE_TYPE_MISMATCH, "The file %s is not a standard JPG file." % File.Path)
        TempBuffer = pack('B', EFI_HII_IIBT_IMAGE_JPEG)
        TempBuffer += pack('I', len(Buffer))
        TempBuffer += Buffer
    elif File.Ext.upper() == '.BMP':
        TempBuffer, TempPalette = BmpImageDecoder(File, Buffer, PaletteIndex, FileObj.TransParent)
        if len(TempPalette) > 1:
            PaletteIndex += 1
            NewPalette = pack('H', len(TempPalette))
            NewPalette += TempPalette
            PaletteBuffer += NewPalette
            PaletteStr = WriteLine(PaletteStr, '// %s: %s: %s' % (DecToHexStr(PaletteIndex - 1, 4), ID, DecToHexStr(PaletteIndex - 1, 4)))
            TempPaletteList = AscToHexList(NewPalette)
            PaletteStr = WriteLine(PaletteStr, CreateArrayItem(TempPaletteList, 16) + '\n')
    ImageBuffer += TempBuffer
    BufferStr = WriteLine(BufferStr, '// %s: %s: %s' % (DecToHexStr(Index, 4), ID, DecToHexStr(Index, 4)))
    TempBufferList = AscToHexList(TempBuffer)
    BufferStr = WriteLine(BufferStr, CreateArrayItem(TempBufferList, 16) + '\n')
 
    StringH.Append(Line)
    Index += 1

TempBuffer = pack('B', EFI_HII_IIBT_IMAGE_PNG)
                                    TempBuffer += pack('I', len(Buffer))
                                    TempBuffer += Buffer

EFI_HII_PACKAGE_LIST_HEADER
EFI_HII_IMAGE_PACKAGE_HDR
Type(EFI_HII_IIBT_IMAGE_PNG==0x19)
Length(len(Buffer)) //这里也就是我们放入的 BMP 的大小

/** @file
  Logo DXE Driver, install Edkii Platform Logo protocol.
 
Copyright (c) 2016 - 2017, Intel Corporation. All rights reserved.<BR>
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.
 
**/
 
 
#include <Uefi.h>
#include <Library/UefiLib.h>
#include <Library/ShellCEntryLib.h>
#include <Protocol/HiiDatabase.h>
#include <Protocol/GraphicsOutput.h>
#include <Protocol/HiiImageEx.h>
#include <Protocol/PlatformLogo.h>
#include <Protocol/HiiPackageList.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/DebugLib.h>
#include <Library/PrintLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/BaseLib.h>
#include <Library/UefiApplicationEntryPoint.h>
#include  <Library/ShellLib.h>
 
#define EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID \
  { \
    0x9042a9de, 0x23dc, 0x4a38, {0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a } \
  }
   
static EFI_GUID GraphicsOutputProtocolGuid = EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID;
 
//DO NOT REMOVE IMAGE_TOKEN (IMG_LOGO)
 
/**
  Entrypoint of this module.
 
  This function is the entrypoint of this module. It installs the Edkii
  Platform Logo protocol.
 
  @param  ImageHandle       The firmware allocated handle for the EFI image.
  @param  SystemTable       A pointer to the EFI System Table.
 
  @retval EFI_SUCCESS       The entry point is executed successfully.
 
**/
EFI_STATUS
EFIAPI
UefiMain (
  IN EFI_HANDLE        ImageHandle,
  IN EFI_SYSTEM_TABLE  *SystemTable
)
{
  EFI_STATUS                  Status;
   
   
   
  EFI_HII_PACKAGE_LIST_HEADER *PackageListHeader;
  EFI_HII_IMAGE_PACKAGE_HDR   *ImageHeader;
  UINT8                       *ImageData;
  UINTN                       FileSize;
  EFI_FILE_HANDLE             FileHandle;
   
        //Step1. Get Package List Header Address
         
        //
        // Retrieve HII package list from ImageHandle
        //
        Status = gBS->OpenProtocol (
                        ImageHandle,
                        &gEfiHiiPackageListProtocolGuid,
                        (VOID **) &PackageListHeader,
                        ImageHandle,
                        NULL,
                        EFI_OPEN_PROTOCOL_GET_PROTOCOL
                        );
        if (EFI_ERROR (Status)) {
          Print(L"HII Image Package with logo not found in PE/COFF resource section\n");
          return Status;
        }
                         
 
        Print(L"PackageList :\nGUID=[%g] Length=[%X]\n",
                      PackageListHeader->PackageListGuid,
                      PackageListHeader->PackageLength);
 
        //Step2. Parser HII Image
        ImageHeader=(EFI_HII_IMAGE_PACKAGE_HDR*)(PackageListHeader+1);
        ImageData=(UINT8 *)(ImageHeader+1);
         
        FileSize=ImageData[1]+(ImageData[2]<<8)+(ImageData[3]<<16)+(ImageData[4]<<24);
        Print(L"Type: 0x%x  Size:%d\n",ImageData[0],FileSize);
 
        //Create a new file
        Status = ShellOpenFileByName(L"dump.bin", 
                                        (SHELL_FILE_HANDLE *)&FileHandle,
                                        EFI_FILE_MODE_READ |
                                        EFI_FILE_MODE_WRITE|
                                        EFI_FILE_MODE_CREATE, 
                                    0);  
        if(Status != RETURN_SUCCESS) {
                Print(L"CreatFile failed [%r]!\n",Status);
                return EFI_SUCCESS;
            }   
        Status = ShellWriteFile(FileHandle,
                        &FileSize,
                        &ImageData[5]);
   
        //Close the source file
        ShellCloseFile(&FileHandle);        
         
        Print(L"Dump.bin is generated!\n");
         
  return Status;
}