1 files changed, 189 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/Common/FvLib.h b/src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/Common/FvLib.h
new file mode 100644
index 00000000..0128779e
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/Common/FvLib.h
@@ -0,0 +1,189 @@
+/** @file
+These functions assist in parsing and manipulating a Firmware Volume.
+
+Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#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>
+
+EFI_STATUS
+InitializeFvLib (
+  IN VOID                         *Fv,
+  IN UINT32                       FvLength
+  )
+;
+
+EFI_STATUS
+GetFvHeader (
+  OUT EFI_FIRMWARE_VOLUME_HEADER  **FvHeader,
+  OUT UINT32                      *FvLength
+  )
+;
+
+EFI_STATUS
+GetNextFile (
+  IN EFI_FFS_FILE_HEADER          *CurrentFile,
+  OUT EFI_FFS_FILE_HEADER         **NextFile
+  )
+;
+
+EFI_STATUS
+GetFileByName (
+  IN EFI_GUID                     *FileName,
+  OUT EFI_FFS_FILE_HEADER         **File
+  )
+;
+
+EFI_STATUS
+GetFileByType (
+  IN EFI_FV_FILETYPE              FileType,
+  IN UINTN                        Instance,
+  OUT EFI_FFS_FILE_HEADER         **File
+  )
+;
+
+EFI_STATUS
+GetSectionByType (
+  IN EFI_FFS_FILE_HEADER          *File,
+  IN EFI_SECTION_TYPE             SectionType,
+  IN UINTN                        Instance,
+  OUT EFI_FILE_SECTION_POINTER    *Section
+  )
+;
+//
+// will not parse compressed sections
+//
+EFI_STATUS
+VerifyFv (
+  IN EFI_FIRMWARE_VOLUME_HEADER   *FvHeader
+  )
+;
+
+EFI_STATUS
+VerifyFfsFile (
+  IN EFI_FFS_FILE_HEADER          *FfsHeader
+  )
+;
+
+UINT32
+GetFfsFileLength (
+  EFI_FFS_FILE_HEADER *FfsHeader
+  )
+;
+
+UINT32
+GetSectionFileLength (
+  EFI_COMMON_SECTION_HEADER *SectionHeader
+  )
+;
+
+UINT32
+GetFfsHeaderLength(
+   IN EFI_FFS_FILE_HEADER *FfsHeader
+   )
+;
+
+UINT32
+GetSectionHeaderLength(
+   IN EFI_COMMON_SECTION_HEADER *SectionHeader
+   )
+;
+
+/*++
+
+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.
+
+--*/
+UINT32
+GetLength (
+  UINT8                           *ThreeByteLength
+  )
+;
+
+/*++
+
+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
+
+--*/
+EFI_STATUS
+GetErasePolarity (
+  OUT BOOLEAN   *ErasePolarity
+  )
+;
+
+/*++
+
+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.
+
+--*/
+UINT8
+GetFileState (
+  IN BOOLEAN              ErasePolarity,
+  IN EFI_FFS_FILE_HEADER  *FfsHeader
+  )
+;
+
+/*++
+
+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