diff options
Diffstat (limited to 'BaseTools/Source/C/Common/FirmwareVolumeBuffer.c')
| -rw-r--r-- | BaseTools/Source/C/Common/FirmwareVolumeBuffer.c | 803 |
1 files changed, 273 insertions, 530 deletions
diff --git a/BaseTools/Source/C/Common/FirmwareVolumeBuffer.c b/BaseTools/Source/C/Common/FirmwareVolumeBuffer.c index ace26eb71c..40e068c303 100644 --- a/BaseTools/Source/C/Common/FirmwareVolumeBuffer.c +++ b/BaseTools/Source/C/Common/FirmwareVolumeBuffer.c @@ -78,29 +78,21 @@ FvBufCalculateChecksum8 ( // Procedures start
//
+/**
+ Clears out all files from the Fv buffer in memory
+
+ @param SourceFv Address of the Fv in memory, this firmware volume will
+ be modified, if SourceFfsFile exists
+ @param SourceFfsFile Input FFS file to replace
+
+ @retval EFI_SUCCESS
+ @retval EFI_NOT_FOUND
+**/
EFI_STATUS
FvBufRemoveFileNew (
IN OUT VOID *Fv,
IN EFI_GUID *Name
)
-/*++
-
-Routine Description:
-
- Clears out all files from the Fv buffer in memory
-
-Arguments:
-
- SourceFv - Address of the Fv in memory, this firmware volume will
- be modified, if SourceFfsFile exists
- SourceFfsFile - Input FFS file to replace
-
-Returns:
-
- EFI_SUCCESS
- EFI_NOT_FOUND
-
---*/
{
EFI_STATUS Status;
EFI_FFS_FILE_HEADER* FileToRm;
@@ -127,30 +119,21 @@ Returns: return EFI_SUCCESS;
}
+/**
+ Clears out all files from the Fv buffer in memory
+ @param SourceFv Address of the Fv in memory, this firmware volume will
+ be modified, if SourceFfsFile exists
+ @param SourceFfsFile Input FFS file to replace
+
+ @retval EFI_SUCCESS
+ @retval EFI_NOT_FOUND
+**/
EFI_STATUS
FvBufRemoveFile (
IN OUT VOID *Fv,
IN EFI_GUID *Name
)
-/*++
-
-Routine Description:
-
- Clears out all files from the Fv buffer in memory
-
-Arguments:
-
- SourceFv - Address of the Fv in memory, this firmware volume will
- be modified, if SourceFfsFile exists
- SourceFfsFile - Input FFS file to replace
-
-Returns:
-
- EFI_SUCCESS
- EFI_NOT_FOUND
-
---*/
{
EFI_STATUS Status;
EFI_FFS_FILE_HEADER *NextFile;
@@ -216,27 +199,18 @@ Returns: return EFI_SUCCESS;
}
+/**
+ Clears out all files from the Fv buffer in memory
+
+ @param SourceFfsFile Input FFS file to update the checksum for
+ @retval EFI_SUCCESS
+ @retval EFI_NOT_FOUND
+**/
EFI_STATUS
FvBufChecksumFile (
IN OUT VOID *FfsFile
)
-/*++
-
-Routine Description:
-
- Clears out all files from the Fv buffer in memory
-
-Arguments:
-
- SourceFfsFile - Input FFS file to update the checksum for
-
-Returns:
-
- EFI_SUCCESS
- EFI_NOT_FOUND
-
---*/
{
EFI_FFS_FILE_HEADER* File = (EFI_FFS_FILE_HEADER*)FfsFile;
EFI_FFS_FILE_STATE StateBackup;
@@ -272,29 +246,20 @@ Returns: return EFI_SUCCESS;
}
+/**
+ Clears out all files from the Fv buffer in memory
+
+ @param SourceFv Address of the Fv in memory, this firmware volume will
+ be modified, if SourceFfsFile exists
+ @param SourceFfsFile Input FFS file to replace
+ @retval EFI_SUCCESS
+ @retval EFI_NOT_FOUND
+**/
EFI_STATUS
FvBufChecksumHeader (
IN OUT VOID *Fv
)
-/*++
-
-Routine Description:
-
- Clears out all files from the Fv buffer in memory
-
-Arguments:
-
- SourceFv - Address of the Fv in memory, this firmware volume will
- be modified, if SourceFfsFile exists
- SourceFfsFile - Input FFS file to replace
-
-Returns:
-
- EFI_SUCCESS
- EFI_NOT_FOUND
-
---*/
{
EFI_FIRMWARE_VOLUME_HEADER* FvHeader = (EFI_FIRMWARE_VOLUME_HEADER*)Fv;
@@ -308,31 +273,22 @@ Returns: return EFI_SUCCESS;
}
-
-EFI_STATUS
-FvBufDuplicate (
- IN VOID *SourceFv,
- IN OUT VOID **DestinationFv
- )
-/*++
-
-Routine Description:
-
+/**
Clears out all files from the Fv buffer in memory
-Arguments:
-
- SourceFv - Address of the Fv in memory
- DestinationFv - Output for destination Fv
+ @param SourceFv - Address of the Fv in memory
+ @param DestinationFv - Output for destination Fv
DestinationFv == NULL - invalid parameter
*DestinationFv == NULL - memory will be allocated
*DestinationFv != NULL - this address will be the destination
-Returns:
-
- EFI_SUCCESS
-
---*/
+ @retval EFI_SUCCESS
+**/
+EFI_STATUS
+FvBufDuplicate (
+ IN VOID *SourceFv,
+ IN OUT VOID **DestinationFv
+ )
{
EFI_STATUS Status;
UINTN size;
@@ -358,35 +314,26 @@ Returns: return EFI_SUCCESS;
}
-
-EFI_STATUS
-FvBufExtend (
- IN VOID **Fv,
- IN UINTN Size
- )
-/*++
-
-Routine Description:
-
+/**
Extends a firmware volume by the given number of bytes.
BUGBUG: Does not handle the case where the firmware volume has a
VTF (Volume Top File). The VTF will not be moved to the
end of the extended FV.
-Arguments:
-
- Fv - Source and destination firmware volume.
- Note: The original firmware volume buffer is freed!
+ @param Fv Source and destination firmware volume.
+ Note: The original firmware volume buffer is freed!
- Size - The minimum size that the firmware volume is to be extended by.
- The FV may be extended more than this size.
+ @param Size The minimum size that the firmware volume is to be extended by.
+ The FV may be extended more than this size.
-Returns:
-
- EFI_SUCCESS
-
---*/
+ @retval EFI_SUCCESS
+**/
+EFI_STATUS
+FvBufExtend (
+ IN VOID **Fv,
+ IN UINTN Size
+ )
{
EFI_STATUS Status;
UINTN OldSize;
@@ -469,27 +416,17 @@ Returns: }
+/**
+ Clears out all files from the Fv buffer in memory
+
+ @param Fv Address of the Fv in memory
+ @retval EFI_SUCCESS
+**/
EFI_STATUS
FvBufClearAllFiles (
IN OUT VOID *Fv
)
-/*++
-
-Routine Description:
-
- Clears out all files from the Fv buffer in memory
-
-Arguments:
-
- Fv - Address of the Fv in memory
-
-Returns:
-
- EFI_SUCCESS
-
---*/
-
{
EFI_FIRMWARE_VOLUME_HEADER *hdr = (EFI_FIRMWARE_VOLUME_HEADER*)Fv;
EFI_STATUS Status;
@@ -509,28 +446,18 @@ Returns: return EFI_SUCCESS;
}
+/**
+ Clears out all files from the Fv buffer in memory
+
+ @param Fv Address of the Fv in memory
+ @retval EFI_SUCCESS
+**/
EFI_STATUS
FvBufGetSize (
IN VOID *Fv,
OUT UINTN *Size
)
-/*++
-
-Routine Description:
-
- Clears out all files from the Fv buffer in memory
-
-Arguments:
-
- Fv - Address of the Fv in memory
-
-Returns:
-
- EFI_SUCCESS
-
---*/
-
{
EFI_FIRMWARE_VOLUME_HEADER *hdr = (EFI_FIRMWARE_VOLUME_HEADER*)Fv;
EFI_FV_BLOCK_MAP_ENTRY *blk = hdr->BlockMap;
@@ -554,28 +481,19 @@ Returns: return EFI_SUCCESS;
}
+/**
+ Adds a new FFS file
+
+ @param Fv Address of the Fv in memory
+ @param File FFS file to add to Fv
+ @retval EFI_SUCCESS
+**/
EFI_STATUS
FvBufAddFile (
IN OUT VOID *Fv,
IN VOID *File
)
-/*++
-
-Routine Description:
-
- Adds a new FFS file
-
-Arguments:
-
- Fv - Address of the Fv in memory
- File - FFS file to add to Fv
-
-Returns:
-
- EFI_SUCCESS
-
---*/
{
EFI_FIRMWARE_VOLUME_HEADER *hdr = (EFI_FIRMWARE_VOLUME_HEADER*)Fv;
@@ -652,32 +570,23 @@ Returns: return EFI_SUCCESS;
}
+/**
+ Adds a new FFS file. Extends the firmware volume if needed.
+
+ @param Fv Source and destination firmware volume.
+ Note: If the FV is extended, then the original firmware volume
+ buffer is freed!
+
+ @param Size The minimum size that the firmware volume is to be extended by.
+ The FV may be extended more than this size.
+ @retval EFI_SUCCESS
+**/
EFI_STATUS
FvBufAddFileWithExtend (
IN OUT VOID **Fv,
IN VOID *File
)
-/*++
-
-Routine Description:
-
- Adds a new FFS file. Extends the firmware volume if needed.
-
-Arguments:
-
- Fv - Source and destination firmware volume.
- Note: If the FV is extended, then the original firmware volume
- buffer is freed!
-
- Size - The minimum size that the firmware volume is to be extended by.
- The FV may be extended more than this size.
-
-Returns:
-
- EFI_SUCCESS
-
---*/
{
EFI_STATUS Status;
EFI_FFS_FILE_HEADER* NewFile;
@@ -706,29 +615,20 @@ Returns: return Status;
}
+/**
+ Adds a new FFS VFT (Volume Top File) file. In other words, adds the
+ file to the end of the firmware volume.
+
+ @param Fv Address of the Fv in memory
+ @param File FFS file to add to Fv
+ @retval EFI_SUCCESS
+**/
EFI_STATUS
FvBufAddVtfFile (
IN OUT VOID *Fv,
IN VOID *File
)
-/*++
-
-Routine Description:
-
- Adds a new FFS VFT (Volume Top File) file. In other words, adds the
- file to the end of the firmware volume.
-
-Arguments:
-
- Fv - Address of the Fv in memory
- File - FFS file to add to Fv
-
-Returns:
-
- EFI_SUCCESS
-
---*/
{
EFI_STATUS Status;
@@ -811,52 +711,35 @@ Returns: return EFI_SUCCESS;
}
+/**
+ Expands the 3 byte size commonly used in Firmware Volume data structures
+
+ @param Size Address of the 3 byte array representing the size
+ @return UINT32
+**/
VOID
FvBufCompact3ByteSize (
OUT VOID* SizeDest,
IN UINT32 Size
)
-/*++
-
-Routine Description:
-
- Expands the 3 byte size commonly used in Firmware Volume data structures
-
-Arguments:
-
- Size - Address of the 3 byte array representing the size
-
-Returns:
-
- UINT32
-
---*/
{
((UINT8*)SizeDest)[0] = (UINT8)Size;
((UINT8*)SizeDest)[1] = (UINT8)(Size >> 8);
((UINT8*)SizeDest)[2] = (UINT8)(Size >> 16);
}
+/**
+ Get the FFS file size.
+
+ @param Ffs Pointer to FFS header
+
+ @return UINT32
+**/
UINT32
FvBufGetFfsFileSize (
IN EFI_FFS_FILE_HEADER *Ffs
)
-/*++
-
-Routine Description:
-
- Get the FFS file size.
-
-Arguments:
-
- Ffs - Pointer to FFS header
-
-Returns:
-
- UINT32
-
---*/
{
if (Ffs == NULL) {
return 0;
@@ -867,25 +750,17 @@ Returns: return FvBufExpand3ByteSize(Ffs->Size);
}
+/**
+ Get the FFS header size.
+
+ @param Ffs Pointer to FFS header
+
+ @return UINT32
+**/
UINT32
FvBufGetFfsHeaderSize (
IN EFI_FFS_FILE_HEADER *Ffs
)
-/*++
-
-Routine Description:
-
- Get the FFS header size.
-
-Arguments:
-
- Ffs - Pointer to FFS header
-
-Returns:
-
- UINT32
-
---*/
{
if (Ffs == NULL) {
return 0;
@@ -896,60 +771,44 @@ Returns: return sizeof(EFI_FFS_FILE_HEADER);
}
+/**
+ Expands the 3 byte size commonly used in Firmware Volume data structures
+
+ @param Size Address of the 3 byte array representing the size
+
+ @return UINT32
+**/
UINT32
FvBufExpand3ByteSize (
IN VOID* Size
)
-/*++
-
-Routine Description:
-
- Expands the 3 byte size commonly used in Firmware Volume data structures
-
-Arguments:
-
- Size - Address of the 3 byte array representing the size
-
-Returns:
-
- UINT32
-
---*/
{
return (((UINT8*)Size)[2] << 16) +
(((UINT8*)Size)[1] << 8) +
((UINT8*)Size)[0];
}
+/**
+ Iterates through the files contained within the firmware volume
+
+ @param Fv Address of the Fv in memory
+ @param Key Should be 0 to get the first file. After that, it should be
+ passed back in without modifying its contents to retrieve
+ subsequent files.
+ @param File Output file pointer
+ File == NULL - invalid parameter
+ otherwise - *File will be update to the location of the file
+
+ @retval EFI_SUCCESS
+ @retval EFI_NOT_FOUND
+ @retval EFI_VOLUME_CORRUPTED
+**/
EFI_STATUS
FvBufFindNextFile (
IN VOID *Fv,
IN OUT UINTN *Key,
OUT VOID **File
)
-/*++
-
-Routine Description:
-
- Iterates through the files contained within the firmware volume
-
-Arguments:
-
- Fv - Address of the Fv in memory
- Key - Should be 0 to get the first file. After that, it should be
- passed back in without modifying its contents to retrieve
- subsequent files.
- File - Output file pointer
- File == NULL - invalid parameter
- otherwise - *File will be update to the location of the file
-
-Returns:
-
- EFI_SUCCESS
- EFI_NOT_FOUND
- EFI_VOLUME_CORRUPTED
-
---*/
{
EFI_FIRMWARE_VOLUME_HEADER *hdr = (EFI_FIRMWARE_VOLUME_HEADER*)Fv;
@@ -1028,35 +887,26 @@ Returns: return EFI_NOT_FOUND;
}
+/**
+ Searches the Fv for a file by its name
+ @param Fv Address of the Fv in memory
+ @param Name Guid filename to search for in the firmware volume
+ @param File Output file pointer
+ File == NULL - Only determine if the file exists, based on return
+ value from the function call.
+ otherwise - *File will be update to the location of the file
+
+ @retval EFI_SUCCESS
+ @retval EFI_NOT_FOUND
+ @retval EFI_VOLUME_CORRUPTED
+**/
EFI_STATUS
FvBufFindFileByName (
IN VOID *Fv,
IN EFI_GUID *Name,
OUT VOID **File
)
-/*++
-
-Routine Description:
-
- Searches the Fv for a file by its name
-
-Arguments:
-
- Fv - Address of the Fv in memory
- Name - Guid filename to search for in the firmware volume
- File - Output file pointer
- File == NULL - Only determine if the file exists, based on return
- value from the function call.
- otherwise - *File will be update to the location of the file
-
-Returns:
-
- EFI_SUCCESS
- EFI_NOT_FOUND
- EFI_VOLUME_CORRUPTED
-
---*/
{
EFI_STATUS Status;
UINTN Key;
@@ -1080,35 +930,26 @@ Returns: return EFI_NOT_FOUND;
}
+/**
+ Searches the Fv for a file by its type
+
+ @param Fv Address of the Fv in memory
+ @param Type FFS FILE type to search for
+ @param File Output file pointer
+ (File == NULL) -> Only determine if the file exists, based on return
+ value from the function call.
+ otherwise -> *File will be update to the location of the file
+ @retval EFI_SUCCESS
+ @retval EFI_NOT_FOUND
+ @retval EFI_VOLUME_CORRUPTED
+**/
EFI_STATUS
FvBufFindFileByType (
IN VOID *Fv,
IN EFI_FV_FILETYPE Type,
OUT VOID **File
)
-/*++
-
-Routine Description:
-
- Searches the Fv for a file by its type
-
-Arguments:
-
- Fv - Address of the Fv in memory
- Type - FFS FILE type to search for
- File - Output file pointer
- (File == NULL) -> Only determine if the file exists, based on return
- value from the function call.
- otherwise -> *File will be update to the location of the file
-
-Returns:
-
- EFI_SUCCESS
- EFI_NOT_FOUND
- EFI_VOLUME_CORRUPTED
-
---*/
{
EFI_STATUS Status;
UINTN Key;
@@ -1132,34 +973,25 @@ Returns: return EFI_NOT_FOUND;
}
+/**
+ Searches the requested file for raw data.
+
+ This routine either returns all the payload of a EFI_FV_FILETYPE_RAW file,
+ or finds the EFI_SECTION_RAW section within the file and returns its data.
+
+ @param FfsFile Address of the FFS file in memory
+ @param RawData Pointer to the raw data within the file
+ (This is NOT allocated. It is within the file.)
+ @param RawDataSize Size of the raw data within the file
+ @return EFI_STATUS
+**/
EFI_STATUS
FvBufGetFileRawData (
IN VOID* FfsFile,
OUT VOID** RawData,
OUT UINTN* RawDataSize
)
-/*++
-
-Routine Description:
-
- Searches the requested file for raw data.
-
- This routine either returns all the payload of a EFI_FV_FILETYPE_RAW file,
- or finds the EFI_SECTION_RAW section within the file and returns its data.
-
-Arguments:
-
- FfsFile - Address of the FFS file in memory
- RawData - Pointer to the raw data within the file
- (This is NOT allocated. It is within the file.)
- RawDataSize - Size of the raw data within the file
-
-Returns:
-
- EFI_STATUS
-
---*/
{
EFI_STATUS Status;
EFI_FFS_FILE_HEADER* File;
@@ -1195,7 +1027,19 @@ Returns: }
+/**
+ Packages up a FFS file containing the input raw data.
+
+ The file created will have a type of EFI_FV_FILETYPE_FREEFORM, and will
+ contain one EFI_FV_FILETYPE_RAW section.
+
+ @param RawData Pointer to the raw data to be packed
+ @param RawDataSize Size of the raw data to be packed
+ @param FfsFile Address of the packaged FFS file.
+ Note: The called must deallocate this memory!
+ @return EFI_STATUS
+**/
EFI_STATUS
FvBufPackageFreeformRawFile (
IN EFI_GUID* Filename,
@@ -1203,27 +1047,6 @@ FvBufPackageFreeformRawFile ( IN UINTN RawDataSize,
OUT VOID** FfsFile
)
-/*++
-
-Routine Description:
-
- Packages up a FFS file containing the input raw data.
-
- The file created will have a type of EFI_FV_FILETYPE_FREEFORM, and will
- contain one EFI_FV_FILETYPE_RAW section.
-
-Arguments:
-
- RawData - Pointer to the raw data to be packed
- RawDataSize - Size of the raw data to be packed
- FfsFile - Address of the packaged FFS file.
- Note: The called must deallocate this memory!
-
-Returns:
-
- EFI_STATUS
-
---*/
{
EFI_FFS_FILE_HEADER* NewFile;
UINT32 NewFileSize;
@@ -1304,7 +1127,22 @@ Returns: return EFI_SUCCESS;
}
+/**
+ Iterates through the sections contained within a given array of sections
+
+ @param SectionsStart Address of the start of the FFS sections array
+ @param TotalSectionsSize Total size of all the sections
+ @param Key Should be 0 to get the first section. After that, it should be
+ passed back in without modifying its contents to retrieve
+ subsequent files.
+ @param Section Output section pointer
+ (Section == NULL) -> invalid parameter
+ otherwise -> *Section will be update to the location of the file
+ @retval EFI_SUCCESS
+ @retval EFI_NOT_FOUND
+ @retval EFI_VOLUME_CORRUPTED
+**/
EFI_STATUS
FvBufFindNextSection (
IN VOID *SectionsStart,
@@ -1312,30 +1150,6 @@ FvBufFindNextSection ( IN OUT UINTN *Key,
OUT VOID **Section
)
-/*++
-
-Routine Description:
-
- Iterates through the sections contained within a given array of sections
-
-Arguments:
-
- SectionsStart - Address of the start of the FFS sections array
- TotalSectionsSize - Total size of all the sections
- Key - Should be 0 to get the first section. After that, it should be
- passed back in without modifying its contents to retrieve
- subsequent files.
- Section - Output section pointer
- (Section == NULL) -> invalid parameter
- otherwise -> *Section will be update to the location of the file
-
-Returns:
-
- EFI_SUCCESS
- EFI_NOT_FOUND
- EFI_VOLUME_CORRUPTED
-
---*/
{
EFI_COMMON_SECTION_HEADER *sectionHdr;
UINTN sectionSize;
@@ -1363,31 +1177,22 @@ Returns: }
+/**
+ Searches the FFS file and counts the number of sections found.
+ The sections are NOT recursed.
+
+ @param FfsFile Address of the FFS file in memory
+ @param Count The location to store the section count in
+ @retval EFI_SUCCESS
+ @retval EFI_NOT_FOUND
+ @retval EFI_VOLUME_CORRUPTED
+**/
EFI_STATUS
FvBufCountSections (
IN VOID* FfsFile,
IN UINTN* Count
)
-/*++
-
-Routine Description:
-
- Searches the FFS file and counts the number of sections found.
- The sections are NOT recursed.
-
-Arguments:
-
- FfsFile - Address of the FFS file in memory
- Count - The location to store the section count in
-
-Returns:
-
- EFI_SUCCESS
- EFI_NOT_FOUND
- EFI_VOLUME_CORRUPTED
-
---*/
{
EFI_STATUS Status;
UINTN Key;
@@ -1424,35 +1229,26 @@ Returns: return EFI_NOT_FOUND;
}
+/**
+ Searches the FFS file for a section by its type
+ @param FfsFile Address of the FFS file in memory
+ @param Type FFS FILE section type to search for
+ @param Section Output section pointer
+ (Section == NULL) -> Only determine if the section exists, based on return
+ value from the function call.
+ otherwise -> *Section will be update to the location of the file
+
+ @retval EFI_SUCCESS
+ @retval EFI_NOT_FOUND
+ @retval EFI_VOLUME_CORRUPTED
+**/
EFI_STATUS
FvBufFindSectionByType (
IN VOID *FfsFile,
IN UINT8 Type,
OUT VOID **Section
)
-/*++
-
-Routine Description:
-
- Searches the FFS file for a section by its type
-
-Arguments:
-
- FfsFile - Address of the FFS file in memory
- Type - FFS FILE section type to search for
- Section - Output section pointer
- (Section == NULL) -> Only determine if the section exists, based on return
- value from the function call.
- otherwise -> *Section will be update to the location of the file
-
-Returns:
-
- EFI_SUCCESS
- EFI_NOT_FOUND
- EFI_VOLUME_CORRUPTED
-
---*/
{
EFI_STATUS Status;
UINTN Key;
@@ -1487,30 +1283,21 @@ Returns: return EFI_NOT_FOUND;
}
-
-EFI_STATUS
-FvBufShrinkWrap (
- IN VOID *Fv
- )
-/*++
-
-Routine Description:
-
+/**
Shrinks a firmware volume (in place) to provide a minimal FV.
BUGBUG: Does not handle the case where the firmware volume has a
VTF (Volume Top File). The VTF will not be moved to the
end of the extended FV.
-Arguments:
-
- Fv - Firmware volume.
+ @param Fv Firmware volume.
-Returns:
-
- EFI_SUCCESS
-
---*/
+ @retval EFI_SUCCESS
+**/
+EFI_STATUS
+FvBufShrinkWrap (
+ IN VOID *Fv
+ )
{
EFI_STATUS Status;
UINTN OldSize;
@@ -1569,32 +1356,23 @@ Returns: }
+/**
+ Searches the FFS file for a section by its type
+
+ @param Fv Address of the Fv in memory
+ @param BlockSize The size of the blocks to convert the Fv to. If the total size
+ of the Fv is not evenly divisible by this size, then
+ EFI_INVALID_PARAMETER will be returned.
+ @retval EFI_SUCCESS
+ @retval EFI_NOT_FOUND
+ @retval EFI_VOLUME_CORRUPTED
+**/
EFI_STATUS
FvBufUnifyBlockSizes (
IN OUT VOID *Fv,
IN UINTN BlockSize
)
-/*++
-
-Routine Description:
-
- Searches the FFS file for a section by its type
-
-Arguments:
-
- Fv - Address of the Fv in memory
- BlockSize - The size of the blocks to convert the Fv to. If the total size
- of the Fv is not evenly divisible by this size, then
- EFI_INVALID_PARAMETER will be returned.
-
-Returns:
-
- EFI_SUCCESS
- EFI_NOT_FOUND
- EFI_VOLUME_CORRUPTED
-
---*/
{
EFI_FIRMWARE_VOLUME_HEADER *hdr = (EFI_FIRMWARE_VOLUME_HEADER*)Fv;
EFI_FV_BLOCK_MAP_ENTRY *blk = hdr->BlockMap;
@@ -1641,28 +1419,20 @@ Returns: return EFI_SUCCESS;
}
+/**
+ This function calculates the UINT16 sum for the requested region.
+
+ @param Buffer Pointer to buffer containing byte data of component.
+ @param Size Size of the buffer
+
+ @return The 16 bit checksum
+**/
STATIC
UINT16
FvBufCalculateSum16 (
IN UINT16 *Buffer,
IN UINTN Size
)
-/*++
-
-Routine Description:
-
- This function calculates the UINT16 sum for the requested region.
-
-Arguments:
-
- Buffer Pointer to buffer containing byte data of component.
- Size Size of the buffer
-
-Returns:
-
- The 16 bit checksum
-
---*/
{
UINTN Index;
UINT16 Sum;
@@ -1679,56 +1449,38 @@ Returns: return (UINT16) Sum;
}
+/**
+ This function calculates the value needed for a valid UINT16 checksum
+
+ @param Buffer Pointer to buffer containing byte data of component.
+ @param Size Size of the buffer
+ @return The 16 bit checksum value needed.
+**/
STATIC
UINT16
FvBufCalculateChecksum16 (
IN UINT16 *Buffer,
IN UINTN Size
)
-/*++
-
-Routine Description::
-
- This function calculates the value needed for a valid UINT16 checksum
-
-Arguments:
-
- Buffer Pointer to buffer containing byte data of component.
- Size Size of the buffer
-
-Returns:
-
- The 16 bit checksum value needed.
-
---*/
{
return (UINT16)(0x10000 - FvBufCalculateSum16 (Buffer, Size));
}
+/**
+ This function calculates the UINT8 sum for the requested region.
+
+ @param Buffer Pointer to buffer containing byte data of component.
+ @param Size Size of the buffer
+ @return The 8 bit checksum value needed.
+**/
STATIC
UINT8
FvBufCalculateSum8 (
IN UINT8 *Buffer,
IN UINTN Size
)
-/*++
-
-Description:
-
- This function calculates the UINT8 sum for the requested region.
-
-Input:
-
- Buffer Pointer to buffer containing byte data of component.
- Size Size of the buffer
-
-Return:
-
- The 8 bit checksum value needed.
-
---*/
{
UINTN Index;
UINT8 Sum;
@@ -1745,29 +1497,20 @@ Return: return Sum;
}
+/**
+ This function calculates the value needed for a valid UINT8 checksum
+
+ @param Buffer Pointer to buffer containing byte data of component.
+ @param Size Size of the buffer
+ @return The 8 bit checksum value needed.
+**/
STATIC
UINT8
FvBufCalculateChecksum8 (
IN UINT8 *Buffer,
IN UINTN Size
)
-/*++
-
-Description:
-
- This function calculates the value needed for a valid UINT8 checksum
-
-Input:
-
- Buffer Pointer to buffer containing byte data of component.
- Size Size of the buffer
-
-Return:
-
- The 8 bit checksum value needed.
-
---*/
{
return (UINT8)(0x100 - FvBufCalculateSum8 (Buffer, Size));
}
|