git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@905 6f19259b...

[mirror_edk2.git] / EdkModulePkg / Library / DxeCoreUefiDecompressLibFromHob / DxeCoreUefiDecompressLibFromHob.c

/*++\r
\r
Copyright (c) 2006, Intel Corporation                                                         \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
Module Name:\r
\r
  DxeCoreUefiDecompressLibFromHob.c\r
\r
Abstract:\r
\r
  UEFI Decompress Library from HOBs \r
\r
--*/\r
\r
static DECOMPRESS_LIBRARY  mEfiDecompress;\r
\r
EFI_STATUS\r
DxeCoreUefiDecompressLibConstructor (\r
  IN EFI_HANDLE        ImageHandle,\r
  IN EFI_SYSTEM_TABLE  *SystemTable\r
  )\r
/*++\r
\r
Routine Description:\r
\r
Arguments:\r
\r
Returns:\r
\r
--*/\r
{\r
  EFI_HOB_GUID_TYPE  *GuidHob;\r
\r
  GuidHob = GetFirstGuidHob (&gEfiDecompressProtocolGuid);\r
  ASSERT (GuidHob != NULL);\r
  CopyMem (&mEfiDecompress, GET_GUID_HOB_DATA (GuidHob), sizeof (mEfiDecompress));  \r
  return EFI_SUCCESS;\r
}\r
\r
RETURN_STATUS\r
EFIAPI\r
UefiDecompressGetInfo (\r
  IN  CONST VOID  *Source,\r
  IN  UINT32      SourceSize,\r
  OUT UINT32      *DestinationSize,\r
  OUT UINT32      *ScratchSize\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  The internal implementation of *_DECOMPRESS_PROTOCOL.GetInfo().\r
\r
Arguments:\r
\r
  Source          - The source buffer containing the compressed data.\r
  SourceSize      - The size of source buffer\r
  DestinationSize - The size of destination buffer.\r
  ScratchSize     - The size of scratch buffer.\r
\r
Returns:\r
\r
  RETURN_SUCCESS           - The size of destination buffer and the size of scratch buffer are successull retrieved.\r
  RETURN_INVALID_PARAMETER - The source data is corrupted\r
\r
--*/\r
{\r
  return mEfiDecompress.GetInfo (Source, SourceSize, DestinationSize, ScratchSize);\r
}\r
\r
RETURN_STATUS\r
EFIAPI\r
UefiDecompress (\r
  IN CONST VOID  *Source,\r
  IN OUT VOID    *Destination,\r
  IN OUT VOID    *Scratch\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  The internal implementation of *_DECOMPRESS_PROTOCOL.Decompress().\r
\r
Arguments:\r
\r
  Source          - The source buffer containing the compressed data.\r
  Destination     - The destination buffer to store the decompressed data\r
  Scratch         - The buffer used internally by the decompress routine. This  buffer is needed to store intermediate data.\r
\r
Returns:\r
\r
  RETURN_SUCCESS           - Decompression is successfull\r
  RETURN_INVALID_PARAMETER - The source data is corrupted\r
\r
--*/\r
{\r
  return mEfiDecompress.Decompress (Source, Destination, Scratch);\r
}\r