diff options
Diffstat (limited to 'StandaloneMmPkg/Library/FvLib/FvLib.c')
| -rw-r--r-- | StandaloneMmPkg/Library/FvLib/FvLib.c | 201 |
1 files changed, 101 insertions, 100 deletions
diff --git a/StandaloneMmPkg/Library/FvLib/FvLib.c b/StandaloneMmPkg/Library/FvLib/FvLib.c index 94139ae..aa36a35 100644 --- a/StandaloneMmPkg/Library/FvLib/FvLib.c +++ b/StandaloneMmPkg/Library/FvLib/FvLib.c @@ -37,7 +37,7 @@ GetFileState ( FileState = FfsHeader->State;
if (ErasePolarity != 0) {
- FileState = (EFI_FFS_FILE_STATE)~FileState;
+ FileState = (EFI_FFS_FILE_STATE) ~FileState;
}
HighestBit = 0x80;
@@ -60,31 +60,32 @@ CalculateHeaderChecksum ( IN EFI_FFS_FILE_HEADER *FileHeader
)
{
- UINT8 *ptr;
- UINTN Index;
- UINT8 Sum;
+ UINT8 *ptr;
+ UINTN Index;
+ UINT8 Sum;
Sum = 0;
- ptr = (UINT8 *) FileHeader;
+ ptr = (UINT8 *)FileHeader;
for (Index = 0; Index < sizeof (EFI_FFS_FILE_HEADER) - 3; Index += 4) {
- Sum = (UINT8) (Sum + ptr[Index]);
- Sum = (UINT8) (Sum + ptr[Index + 1]);
- Sum = (UINT8) (Sum + ptr[Index + 2]);
- Sum = (UINT8) (Sum + ptr[Index + 3]);
+ Sum = (UINT8)(Sum + ptr[Index]);
+ Sum = (UINT8)(Sum + ptr[Index + 1]);
+ Sum = (UINT8)(Sum + ptr[Index + 2]);
+ Sum = (UINT8)(Sum + ptr[Index + 3]);
}
- for (; Index < sizeof (EFI_FFS_FILE_HEADER); Index++) {
- Sum = (UINT8) (Sum + ptr[Index]);
+ for ( ; Index < sizeof (EFI_FFS_FILE_HEADER); Index++) {
+ Sum = (UINT8)(Sum + ptr[Index]);
}
+
//
// State field (since this indicates the different state of file).
//
- Sum = (UINT8) (Sum - FileHeader->State);
+ Sum = (UINT8)(Sum - FileHeader->State);
//
// Checksum field of the file is not part of the header checksum.
//
- Sum = (UINT8) (Sum - FileHeader->IntegrityCheck.Checksum.File);
+ Sum = (UINT8)(Sum - FileHeader->IntegrityCheck.Checksum.File);
return Sum;
}
@@ -112,15 +113,15 @@ FfsFindNextFile ( IN OUT EFI_FFS_FILE_HEADER **FileHeader
)
{
- EFI_FIRMWARE_VOLUME_EXT_HEADER *FvExtHeader;
+ EFI_FIRMWARE_VOLUME_EXT_HEADER *FvExtHeader;
- EFI_FFS_FILE_HEADER *FfsFileHeader;
- UINT32 FileLength;
- UINT32 FileOccupiedSize;
- UINT32 FileOffset;
- UINT64 FvLength;
- UINT8 ErasePolarity;
- UINT8 FileState;
+ EFI_FFS_FILE_HEADER *FfsFileHeader;
+ UINT32 FileLength;
+ UINT32 FileOccupiedSize;
+ UINT32 FileOffset;
+ UINT64 FvLength;
+ UINT8 ErasePolarity;
+ UINT8 FileState;
FvLength = FwVolHeader->FvLength;
if (FwVolHeader->Attributes & EFI_FVB2_ERASE_POLARITY) {
@@ -128,41 +129,40 @@ FfsFindNextFile ( } else {
ErasePolarity = 0;
}
+
//
// If FileHeader is not specified (NULL) start with the first file in the
// firmware volume. Otherwise, start from the FileHeader.
//
if (*FileHeader == NULL) {
-
if (FwVolHeader->ExtHeaderOffset != 0) {
-
FvExtHeader = (EFI_FIRMWARE_VOLUME_EXT_HEADER *)((UINT8 *)FwVolHeader +
FwVolHeader->ExtHeaderOffset);
FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)FvExtHeader +
FvExtHeader->ExtHeaderSize);
-
} else {
-
FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)FwVolHeader +
FwVolHeader->HeaderLength);
-
}
FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINTN)FwVolHeader +
- ALIGN_VALUE((UINTN)FfsFileHeader -
- (UINTN)FwVolHeader, 8));
+ ALIGN_VALUE (
+ (UINTN)FfsFileHeader -
+ (UINTN)FwVolHeader,
+ 8
+ ));
} else {
//
// Length is 24 bits wide so mask upper 8 bits
// FileLength is adjusted to FileOccupiedSize as it is 8 byte aligned.
//
- FileLength = FFS_FILE_SIZE(*FileHeader);
- FileOccupiedSize = GET_OCCUPIED_SIZE (FileLength, 8);
- FfsFileHeader = (EFI_FFS_FILE_HEADER *) ((UINT8 *) *FileHeader + FileOccupiedSize);
+ FileLength = FFS_FILE_SIZE (*FileHeader);
+ FileOccupiedSize = GET_OCCUPIED_SIZE (FileLength, 8);
+ FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)*FileHeader + FileOccupiedSize);
}
- FileOffset = (UINT32) ((UINT8 *) FfsFileHeader - (UINT8 *) FwVolHeader);
+ FileOffset = (UINT32)((UINT8 *)FfsFileHeader - (UINT8 *)FwVolHeader);
while (FileOffset < (FvLength - sizeof (EFI_FFS_FILE_HEADER))) {
//
@@ -171,42 +171,40 @@ FfsFindNextFile ( FileState = GetFileState (ErasePolarity, FfsFileHeader);
switch (FileState) {
-
- case EFI_FILE_HEADER_INVALID:
- FileOffset += sizeof (EFI_FFS_FILE_HEADER);
- FfsFileHeader = (EFI_FFS_FILE_HEADER *) ((UINT8 *) FfsFileHeader + sizeof (EFI_FFS_FILE_HEADER));
- break;
-
- case EFI_FILE_DATA_VALID:
- case EFI_FILE_MARKED_FOR_UPDATE:
- if (CalculateHeaderChecksum (FfsFileHeader) == 0) {
- FileLength = FFS_FILE_SIZE(FfsFileHeader);
- FileOccupiedSize = GET_OCCUPIED_SIZE (FileLength, 8);
-
- if ((SearchType == FfsFileHeader->Type) || (SearchType == EFI_FV_FILETYPE_ALL)) {
-
- *FileHeader = FfsFileHeader;
-
- return EFI_SUCCESS;
+ case EFI_FILE_HEADER_INVALID:
+ FileOffset += sizeof (EFI_FFS_FILE_HEADER);
+ FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)FfsFileHeader + sizeof (EFI_FFS_FILE_HEADER));
+ break;
+
+ case EFI_FILE_DATA_VALID:
+ case EFI_FILE_MARKED_FOR_UPDATE:
+ if (CalculateHeaderChecksum (FfsFileHeader) == 0) {
+ FileLength = FFS_FILE_SIZE (FfsFileHeader);
+ FileOccupiedSize = GET_OCCUPIED_SIZE (FileLength, 8);
+
+ if ((SearchType == FfsFileHeader->Type) || (SearchType == EFI_FV_FILETYPE_ALL)) {
+ *FileHeader = FfsFileHeader;
+
+ return EFI_SUCCESS;
+ }
+
+ FileOffset += FileOccupiedSize;
+ FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)FfsFileHeader + FileOccupiedSize);
+ } else {
+ return EFI_NOT_FOUND;
}
- FileOffset += FileOccupiedSize;
- FfsFileHeader = (EFI_FFS_FILE_HEADER *) ((UINT8 *) FfsFileHeader + FileOccupiedSize);
- } else {
- return EFI_NOT_FOUND;
- }
- break;
-
- case EFI_FILE_DELETED:
- FileLength = FFS_FILE_SIZE(FfsFileHeader);
- FileOccupiedSize = GET_OCCUPIED_SIZE (FileLength, 8);
- FileOffset += FileOccupiedSize;
- FfsFileHeader = (EFI_FFS_FILE_HEADER *) ((UINT8 *) FfsFileHeader + FileOccupiedSize);
- break;
+ break;
- default:
- return EFI_NOT_FOUND;
+ case EFI_FILE_DELETED:
+ FileLength = FFS_FILE_SIZE (FfsFileHeader);
+ FileOccupiedSize = GET_OCCUPIED_SIZE (FileLength, 8);
+ FileOffset += FileOccupiedSize;
+ FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)FfsFileHeader + FileOccupiedSize);
+ break;
+ default:
+ return EFI_NOT_FOUND;
}
}
@@ -229,30 +227,31 @@ FfsFindNextFile ( EFI_STATUS
EFIAPI
FindFfsSectionInSections (
- IN VOID *Sections,
- IN UINTN SizeOfSections,
- IN EFI_SECTION_TYPE SectionType,
- OUT EFI_COMMON_SECTION_HEADER **FoundSection
+ IN VOID *Sections,
+ IN UINTN SizeOfSections,
+ IN EFI_SECTION_TYPE SectionType,
+ OUT EFI_COMMON_SECTION_HEADER **FoundSection
)
{
- EFI_PHYSICAL_ADDRESS CurrentAddress;
- UINT32 Size;
- EFI_PHYSICAL_ADDRESS EndOfSections;
- EFI_COMMON_SECTION_HEADER *Section;
- EFI_PHYSICAL_ADDRESS EndOfSection;
+ EFI_PHYSICAL_ADDRESS CurrentAddress;
+ UINT32 Size;
+ EFI_PHYSICAL_ADDRESS EndOfSections;
+ EFI_COMMON_SECTION_HEADER *Section;
+ EFI_PHYSICAL_ADDRESS EndOfSection;
//
// Loop through the FFS file sections
//
- EndOfSection = (EFI_PHYSICAL_ADDRESS)(UINTN) Sections;
+ EndOfSection = (EFI_PHYSICAL_ADDRESS)(UINTN)Sections;
EndOfSections = EndOfSection + SizeOfSections;
- for (;;) {
+ for ( ; ;) {
if (EndOfSection == EndOfSections) {
break;
}
+
CurrentAddress = EndOfSection;
- Section = (EFI_COMMON_SECTION_HEADER*)(UINTN) CurrentAddress;
+ Section = (EFI_COMMON_SECTION_HEADER *)(UINTN)CurrentAddress;
Size = SECTION_SIZE (Section);
if (Size < sizeof (*Section)) {
@@ -263,6 +262,7 @@ FindFfsSectionInSections ( if (EndOfSection > EndOfSections) {
return EFI_VOLUME_CORRUPTED;
}
+
Size = GET_OCCUPIED_SIZE (Size, 4);
//
@@ -292,22 +292,22 @@ FindFfsSectionInSections ( EFI_STATUS
EFIAPI
FfsFindSection (
- IN EFI_SECTION_TYPE SectionType,
- IN EFI_FFS_FILE_HEADER *FfsFileHeader,
- IN OUT EFI_COMMON_SECTION_HEADER **SectionHeader
+ IN EFI_SECTION_TYPE SectionType,
+ IN EFI_FFS_FILE_HEADER *FfsFileHeader,
+ IN OUT EFI_COMMON_SECTION_HEADER **SectionHeader
)
{
- UINT32 FileSize;
- EFI_COMMON_SECTION_HEADER *Section;
- EFI_STATUS Status;
+ UINT32 FileSize;
+ EFI_COMMON_SECTION_HEADER *Section;
+ EFI_STATUS Status;
//
// Size is 24 bits wide so mask upper 8 bits.
// Does not include FfsFileHeader header size
// FileSize is adjusted to FileOccupiedSize as it is 8 byte aligned.
//
- Section = (EFI_COMMON_SECTION_HEADER *) (FfsFileHeader + 1);
- FileSize = FFS_FILE_SIZE(FfsFileHeader);
+ Section = (EFI_COMMON_SECTION_HEADER *)(FfsFileHeader + 1);
+ FileSize = FFS_FILE_SIZE (FfsFileHeader);
FileSize -= sizeof (EFI_FFS_FILE_HEADER);
Status = FindFfsSectionInSections (
@@ -335,44 +335,45 @@ FfsFindSection ( EFI_STATUS
EFIAPI
FfsFindSectionData (
- IN EFI_SECTION_TYPE SectionType,
- IN EFI_FFS_FILE_HEADER *FfsFileHeader,
- IN OUT VOID **SectionData,
- IN OUT UINTN *SectionDataSize
+ IN EFI_SECTION_TYPE SectionType,
+ IN EFI_FFS_FILE_HEADER *FfsFileHeader,
+ IN OUT VOID **SectionData,
+ IN OUT UINTN *SectionDataSize
)
{
- UINT32 FileSize;
- EFI_COMMON_SECTION_HEADER *Section;
- UINT32 SectionLength;
- UINT32 ParsedLength;
+ UINT32 FileSize;
+ EFI_COMMON_SECTION_HEADER *Section;
+ UINT32 SectionLength;
+ UINT32 ParsedLength;
//
// Size is 24 bits wide so mask upper 8 bits.
// Does not include FfsFileHeader header size
// FileSize is adjusted to FileOccupiedSize as it is 8 byte aligned.
//
- Section = (EFI_COMMON_SECTION_HEADER *) (FfsFileHeader + 1);
- FileSize = FFS_FILE_SIZE(FfsFileHeader);
+ Section = (EFI_COMMON_SECTION_HEADER *)(FfsFileHeader + 1);
+ FileSize = FFS_FILE_SIZE (FfsFileHeader);
FileSize -= sizeof (EFI_FFS_FILE_HEADER);
- *SectionData = NULL;
- ParsedLength = 0;
+ *SectionData = NULL;
+ ParsedLength = 0;
while (ParsedLength < FileSize) {
if (Section->Type == SectionType) {
- *SectionData = (VOID *) (Section + 1);
- *SectionDataSize = SECTION_SIZE(Section);
+ *SectionData = (VOID *)(Section + 1);
+ *SectionDataSize = SECTION_SIZE (Section);
return EFI_SUCCESS;
}
+
//
// Size is 24 bits wide so mask upper 8 bits.
// SectionLength is adjusted it is 4 byte aligned.
// Go to the next section
//
- SectionLength = SECTION_SIZE(Section);
+ SectionLength = SECTION_SIZE (Section);
SectionLength = GET_OCCUPIED_SIZE (SectionLength, 4);
ParsedLength += SectionLength;
- Section = (EFI_COMMON_SECTION_HEADER *) ((UINT8 *) Section + SectionLength);
+ Section = (EFI_COMMON_SECTION_HEADER *)((UINT8 *)Section + SectionLength);
}
return EFI_NOT_FOUND;
|