diff options
Diffstat (limited to 'EmulatorPkg/Library/SecPeiServicesLib/FwVol.c')
| -rw-r--r-- | EmulatorPkg/Library/SecPeiServicesLib/FwVol.c | 157 |
1 files changed, 80 insertions, 77 deletions
diff --git a/EmulatorPkg/Library/SecPeiServicesLib/FwVol.c b/EmulatorPkg/Library/SecPeiServicesLib/FwVol.c index aee3003a26..e1cc6c6a51 100644 --- a/EmulatorPkg/Library/SecPeiServicesLib/FwVol.c +++ b/EmulatorPkg/Library/SecPeiServicesLib/FwVol.c @@ -9,7 +9,6 @@ SPDX-License-Identifier: BSD-2-Clause-Patent #include <PiPei.h>
-
#define GET_OCCUPIED_SIZE(ActualSize, Alignment) \
(ActualSize) + (((Alignment) - ((ActualSize) & ((Alignment) - 1))) & ((Alignment) - 1))
@@ -18,6 +17,7 @@ GetFileState ( IN UINT8 ErasePolarity,
IN EFI_FFS_FILE_HEADER *FfsHeader
)
+
/*++
Routine Description:
@@ -39,7 +39,7 @@ Returns: FileState = FfsHeader->State;
if (ErasePolarity != 0) {
- FileState = (EFI_FFS_FILE_STATE)~FileState;
+ FileState = (EFI_FFS_FILE_STATE) ~FileState;
}
HighestBit = 0x80;
@@ -54,6 +54,7 @@ UINT8 CalculateHeaderChecksum (
IN EFI_FFS_FILE_HEADER *FileHeader
)
+
/*++
Routine Description:
@@ -67,41 +68,43 @@ Returns: **/
{
- 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;
}
EFI_STATUS
SecFfsFindNextFile (
- IN EFI_FV_FILETYPE SearchType,
- IN EFI_PEI_FV_HANDLE FvHandle,
- IN OUT EFI_PEI_FILE_HANDLE *FileHandle
+ IN EFI_FV_FILETYPE SearchType,
+ IN EFI_PEI_FV_HANDLE FvHandle,
+ IN OUT EFI_PEI_FILE_HANDLE *FileHandle
)
+
/*++
Routine Description:
@@ -124,20 +127,20 @@ Returns: **/
{
- 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;
EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;
EFI_FFS_FILE_HEADER **FileHeader;
//
// Convert the handle of FV to FV header for memory-mapped firmware volume
//
- FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *) FvHandle;
+ FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *)FvHandle;
FileHeader = (EFI_FFS_FILE_HEADER **)FileHandle;
FvLength = FwVolHeader->FvLength;
@@ -146,23 +149,24 @@ Returns: } 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) {
- FfsFileHeader = (EFI_FFS_FILE_HEADER *) ((UINT8 *) FwVolHeader + FwVolHeader->HeaderLength);
+ FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)FwVolHeader + FwVolHeader->HeaderLength);
} else {
//
// Length is 24 bits wide so mask upper 8 bits
// FileLength is adjusted to FileOccupiedSize as it is 8 byte aligned.
//
- FileLength = *(UINT32 *) (*FileHeader)->Size & 0x00FFFFFF;
- FileOccupiedSize = GET_OCCUPIED_SIZE (FileLength, 8);
- FfsFileHeader = (EFI_FFS_FILE_HEADER *) ((UINT8 *) *FileHeader + FileOccupiedSize);
+ FileLength = *(UINT32 *)(*FileHeader)->Size & 0x00FFFFFF;
+ 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 +175,40 @@ Returns: 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 = *(UINT32 *) (FfsFileHeader->Size) & 0x00FFFFFF;
- 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 = *(UINT32 *)(FfsFileHeader->Size) & 0x00FFFFFF;
+ 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 = *(UINT32 *) (FfsFileHeader->Size) & 0x00FFFFFF;
- 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 = *(UINT32 *)(FfsFileHeader->Size) & 0x00FFFFFF;
+ FileOccupiedSize = GET_OCCUPIED_SIZE (FileLength, 8);
+ FileOffset += FileOccupiedSize;
+ FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)FfsFileHeader + FileOccupiedSize);
+ break;
+ default:
+ return EFI_NOT_FOUND;
}
}
@@ -215,10 +217,11 @@ Returns: EFI_STATUS
SecFfsFindSectionData (
- IN EFI_SECTION_TYPE SectionType,
- IN EFI_FFS_FILE_HEADER *FfsFileHeader,
- IN OUT VOID **SectionData
+ IN EFI_SECTION_TYPE SectionType,
+ IN EFI_FFS_FILE_HEADER *FfsFileHeader,
+ IN OUT VOID **SectionData
)
+
/*++
Routine Description:
@@ -237,39 +240,39 @@ Returns: **/
{
- 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 = *(UINT32 *) (FfsFileHeader->Size) & 0x00FFFFFF;
+ Section = (EFI_COMMON_SECTION_HEADER *)(FfsFileHeader + 1);
+ FileSize = *(UINT32 *)(FfsFileHeader->Size) & 0x00FFFFFF;
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);
+ *SectionData = (VOID *)(Section + 1);
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 = *(UINT32 *) Section->Size & 0x00FFFFFF;
+ SectionLength = *(UINT32 *)Section->Size & 0x00FFFFFF;
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;
}
-
|