Meta-data review.

[mirror_edk2.git] / MdeModulePkg / Core / DxeIplPeim / DxeIpl.h

/** @file\r
  Master header file for DxeIpl PEIM. All source files in this module should\r
  include this file for common definitions.\r
\r
Copyright (c) 2006 - 2008, Intel Corporation. <BR>\r
All rights reserved. This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution.  The full text of the license may be found at\r
http://opensource.org/licenses/bsd-license.php\r
\r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
#ifndef __PEI_DXEIPL_H__\r
#define __PEI_DXEIPL_H__\r
\r
#include <PiPei.h>\r
#include <Ppi/DxeIpl.h>\r
#include <Ppi/EndOfPeiPhase.h>\r
#include <Ppi/MemoryDiscovered.h>\r
#include <Ppi/ReadOnlyVariable2.h>\r
#include <Ppi/Decompress.h>\r
#include <Ppi/FirmwareVolumeInfo.h>\r
#include <Ppi/GuidedSectionExtraction.h>\r
\r
#include <Guid/MemoryTypeInformation.h>\r
#include <Guid/MemoryAllocationHob.h>\r
#include <Guid/FirmwareFileSystem2.h>\r
\r
#include <Library/DebugLib.h>\r
#include <Library/PeimEntryPoint.h>\r
#include <Library/BaseLib.h>\r
#include <Library/HobLib.h>\r
#include <Library/PeiServicesLib.h>\r
#include <Library/ReportStatusCodeLib.h>\r
#include <Library/CacheMaintenanceLib.h>\r
#include <Library/UefiDecompressLib.h>\r
#include <Library/ExtractGuidedSectionLib.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/MemoryAllocationLib.h>\r
#include <Library/PcdLib.h>\r
#include <Library/PeCoffLib.h>\r
#include <Library/S3Lib.h>\r
#include <Library/RecoveryLib.h>\r
\r
#define STACK_SIZE      0x20000\r
#define BSP_STORE_SIZE  0x4000\r
\r
\r
//\r
// This PPI is installed to indicate the end of the PEI usage of memory \r
//\r
extern CONST EFI_PEI_PPI_DESCRIPTOR gEndOfPeiSignalPpi;\r
\r
\r
\r
/**\r
   Loads and relocates a PE/COFF image into memory.\r
\r
   @param FileHandle        The image file handle\r
   @param ImageAddress      The base address of the relocated PE/COFF image\r
   @param ImageSize         The size of the relocated PE/COFF image\r
   @param EntryPoint        The entry point of the relocated PE/COFF image\r
   \r
   @return EFI_SUCCESS           The file was loaded and relocated\r
   @return EFI_OUT_OF_RESOURCES  There was not enough memory to load and relocate the PE/COFF file\r
\r
**/\r
EFI_STATUS\r
PeiLoadFile (\r
  IN  EFI_PEI_FILE_HANDLE                       FileHandle,\r
  OUT EFI_PHYSICAL_ADDRESS                      *ImageAddress,\r
  OUT UINT64                                    *ImageSize,\r
  OUT EFI_PHYSICAL_ADDRESS                      *EntryPoint\r
  );\r
\r
\r
\r
/**\r
   Searches DxeCore in all firmware Volumes and loads the first\r
   instance that contains DxeCore.\r
\r
   @return FileHandle of DxeCore to load DxeCore.\r
   \r
**/\r
EFI_PEI_FILE_HANDLE\r
DxeIplFindDxeCore (\r
  VOID\r
  );\r
\r
\r
/**\r
  Support routine for the PE/COFF Loader that reads a buffer from a PE/COFF file\r
\r
  @param  FileHandle   The handle to the PE/COFF file \r
  @param  FileOffset   The offset, in bytes, into the file to read \r
  @param  ReadSize     The number of bytes to read from the file starting at \r
                       FileOffset \r
  @param  Buffer       A pointer to the buffer to read the data into. \r
\r
  @retval EFI_SUCCESS  ReadSize bytes of data were read into Buffer from the \r
                       PE/COFF file starting at FileOffset\r
\r
**/\r
EFI_STATUS\r
PeiImageRead (\r
  IN     VOID    *FileHandle,\r
  IN     UINTN   FileOffset,\r
  IN OUT UINTN   *ReadSize,\r
  OUT    VOID    *Buffer\r
  );\r
\r
\r
/**\r
   Main entry point to last PEIM \r
    \r
   @param This          Entry point for DXE IPL PPI\r
   @param PeiServices   General purpose services available to every PEIM.\r
   @param HobList       Address to the Pei HOB list\r
   \r
   @return EFI_SUCCESS              DXE core was successfully loaded. \r
   @return EFI_OUT_OF_RESOURCES     There are not enough resources to load DXE core.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
DxeLoadCore (\r
  IN CONST EFI_DXE_IPL_PPI *This,\r
  IN EFI_PEI_SERVICES      **PeiServices,\r
  IN EFI_PEI_HOB_POINTERS  HobList\r
  );\r
\r
\r
\r
/**\r
   Transfers control to DxeCore.\r
\r
   This function performs a CPU architecture specific operations to execute\r
   the entry point of DxeCore with the parameters of HobList.\r
   It also installs EFI_END_OF_PEI_PPI to signal the end of PEI phase.\r
\r
   @param DxeCoreEntryPoint         The entry point of DxeCore.\r
   @param HobList                   The start of HobList passed to DxeCore.\r
\r
**/\r
VOID\r
HandOffToDxeCore (\r
  IN EFI_PHYSICAL_ADDRESS   DxeCoreEntryPoint,\r
  IN EFI_PEI_HOB_POINTERS   HobList\r
  );\r
\r
\r
\r
/**\r
   Updates the Stack HOB passed to DXE phase.\r
\r
   This function traverses the whole HOB list and update the stack HOB to\r
   reflect the real stack that is used by DXE core.\r
\r
   @param BaseAddress           The lower address of stack used by DxeCore.\r
   @param Length                The length of stack used by DxeCore.\r
\r
**/\r
VOID\r
UpdateStackHob (\r
  IN EFI_PHYSICAL_ADDRESS        BaseAddress,\r
  IN UINT64                      Length\r
  );\r
\r
/**\r
  The ExtractSection() function processes the input section and\r
  returns a pointer to the section contents. If the section being\r
  extracted does not require processing (if the section\r
  GuidedSectionHeader.Attributes has the\r
  EFI_GUIDED_SECTION_PROCESSING_REQUIRED field cleared), then\r
  OutputBuffer is just updated to point to the start of the\r
  section's contents. Otherwise, *Buffer must be allocated\r
  from PEI permanent memory.\r
\r
  @param This                   Indicates the\r
                                EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI instance.\r
                                Buffer containing the input GUIDed section to be\r
                                processed. OutputBuffer OutputBuffer is\r
                                allocated from PEI permanent memory and contains\r
                                the new section stream.\r
  @param InputSection           A pointer to the input buffer, which contains\r
                                the input section to be processed.\r
  @param OutputBuffer           A pointer to a caller-allocated buffer, whose\r
                                size is specified by the contents of OutputSize.\r
  @param OutputSize             A pointer to a caller-allocated\r
                                UINTN in which the size of *OutputBuffer\r
                                allocation is stored. If the function\r
                                returns anything other than EFI_SUCCESS,\r
                                the value of OutputSize is undefined.\r
  @param AuthenticationStatus   A pointer to a caller-allocated\r
                                UINT32 that indicates the\r
                                authentication status of the\r
                                output buffer. If the input\r
                                section's GuidedSectionHeader.\r
                                Attributes field has the\r
                                EFI_GUIDED_SECTION_AUTH_STATUS_VALID \r
                                bit as clear,\r
                                AuthenticationStatus must return\r
                                zero. These bits reflect the\r
                                status of the extraction\r
                                operation. If the function\r
                                returns anything other than\r
                                EFI_SUCCESS, the value of\r
                                AuthenticationStatus is\r
                                undefined.\r
  \r
  @retval EFI_SUCCESS           The InputSection was\r
                                successfully processed and the\r
                                section contents were returned.\r
  \r
  @retval EFI_OUT_OF_RESOURCES  The system has insufficient\r
                                resources to process the request.\r
  \r
  @retval EFI_INVALID_PARAMETER The GUID in InputSection does\r
                                not match this instance of the\r
                                GUIDed Section Extraction PPI.\r
\r
**/\r
EFI_STATUS\r
CustomGuidedSectionExtract (\r
  IN CONST  EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI *This,\r
  IN CONST  VOID                                  *InputSection,\r
  OUT       VOID                                  **OutputBuffer,\r
  OUT       UINTN                                 *OutputSize,\r
  OUT       UINT32                                *AuthenticationStatus\r
  );\r
\r
\r
/**\r
   Decompresses a section to the output buffer.\r
\r
   This function looks up the compression type field in the input section and\r
   applies the appropriate compression algorithm to compress the section to a\r
   callee allocated buffer.\r
    \r
   @param  This                  Points to this instance of the\r
                                 EFI_PEI_DECOMPRESS_PEI PPI.\r
   @param  CompressionSection    Points to the compressed section.\r
   @param  OutputBuffer          Holds the returned pointer to the decompressed\r
                                 sections.\r
   @param  OutputSize            Holds the returned size of the decompress\r
                                 section streams.\r
   \r
   @retval EFI_SUCCESS           The section was decompressed successfully.\r
                                 OutputBuffer contains the resulting data and\r
                                 OutputSize contains the resulting size.\r
\r
**/\r
EFI_STATUS\r
EFIAPI \r
Decompress (\r
  IN CONST  EFI_PEI_DECOMPRESS_PPI  *This,\r
  IN CONST  EFI_COMPRESSION_SECTION *CompressionSection,\r
  OUT       VOID                    **OutputBuffer,\r
  OUT       UINTN                   *OutputSize\r
  );\r
\r
#endif\r