FvLib.h revision 4fd606d1f5abe38e1f42c38de1d2e895166bd0f4
/** @file
Copyright (c) 2004 - 2008, 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
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
Abstract:
These functions assist in parsing and manipulating a Firmware Volume.
**/
#ifndef _EFI_FV_LIB_H
#define _EFI_FV_LIB_H
//
// Include files
//
#include <string.h>
#include <Common/UefiBaseTypes.h>
#include <Common/PiFirmwareFile.h>
#include <Common/PiFirmwareVolume.h>
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//
// will not parse compressed sections
//
VerifyFv (
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/*++
Routine Description:
Verify the current pointer points to a FFS file header.
Arguments:
FfsHeader Pointer to an alleged FFS file.
Returns:
EFI_SUCCESS The Ffs header is valid.
EFI_NOT_FOUND This "file" is the beginning of free space.
EFI_VOLUME_CORRUPTED The Ffs header is not valid.
--*/
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;
/*++
Routine Description:
Converts a three byte length value into a UINT32.
Arguments:
ThreeByteLength Pointer to the first of the 3 byte length.
Returns:
UINT32 Size of the section
--*/
)
;
/*++
Routine Description:
This function returns with the FV erase polarity. If the erase polarity
for a bit is 1, the function return TRUE.
Arguments:
ErasePolarity A pointer to the erase polarity.
Returns:
EFI_SUCCESS The function completed successfully.
EFI_INVALID_PARAMETER One of the input parameters was invalid.
--*/
)
;
/*++
Routine Description:
This function returns a the highest state bit in the FFS that is set.
It in no way validate the FFS file.
Arguments:
ErasePolarity The erase polarity for the file state bits.
FfsHeader Pointer to a FFS file.
Returns:
UINT8 The hightest set state of the file.
--*/
#endif