/** @file\r
Implements functions to read firmware file\r
\r
-Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2006 - 2017, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
#include "FwVolDriver.h"\r
\r
/**\r
-Required Alignment Alignment Value in FFS Alignment Value in\r
-(bytes) Attributes Field Firmware Volume Interfaces\r
-1 0 0\r
-2 0 1\r
-4 0 2\r
-8 0 3\r
-16 1 4\r
-128 2 7\r
-512 3 9\r
-1 KB 4 10\r
-4 KB 5 12\r
-32 KB 6 15\r
-64 KB 7 16\r
+Required Alignment Alignment Value in FFS FFS_ATTRIB_DATA_ALIGNMENT2 Alignment Value in\r
+(bytes) Attributes Field in FFS Attributes Field Firmware Volume Interfaces\r
+1 0 0 0\r
+16 1 0 4\r
+128 2 0 7\r
+512 3 0 9\r
+1 KB 4 0 10\r
+4 KB 5 0 12\r
+32 KB 6 0 15\r
+64 KB 7 0 16\r
+128 KB 0 1 17\r
+256 KB 1 1 18\r
+512 KB 2 1 19\r
+1 MB 3 1 20\r
+2 MB 4 1 21\r
+4 MB 5 1 22\r
+8 MB 6 1 23\r
+16 MB 7 1 24\r
**/\r
UINT8 mFvAttributes[] = {0, 4, 7, 9, 10, 12, 15, 16};\r
-\r
-\r
+UINT8 mFvAttributes2[] = {17, 18, 19, 20, 21, 22, 23, 24};\r
\r
/**\r
Convert the FFS File Attributes to FV File Attributes\r
IN EFI_FFS_FILE_ATTRIBUTES FfsAttributes\r
)\r
{\r
- FfsAttributes = (EFI_FFS_FILE_ATTRIBUTES)((FfsAttributes & FFS_ATTRIB_DATA_ALIGNMENT) >> 3);\r
- ASSERT (FfsAttributes < 8);\r
+ UINT8 DataAlignment;\r
+ EFI_FV_FILE_ATTRIBUTES FileAttribute;\r
\r
- return (EFI_FV_FILE_ATTRIBUTES) mFvAttributes[FfsAttributes];\r
-}\r
+ DataAlignment = (UINT8) ((FfsAttributes & FFS_ATTRIB_DATA_ALIGNMENT) >> 3);\r
+ ASSERT (DataAlignment < 8);\r
+\r
+ if ((FfsAttributes & FFS_ATTRIB_DATA_ALIGNMENT_2) != 0) {\r
+ FileAttribute = (EFI_FV_FILE_ATTRIBUTES) mFvAttributes2[DataAlignment];\r
+ } else {\r
+ FileAttribute = (EFI_FV_FILE_ATTRIBUTES) mFvAttributes[DataAlignment];\r
+ }\r
\r
+ if ((FfsAttributes & FFS_ATTRIB_FIXED) == FFS_ATTRIB_FIXED) {\r
+ FileAttribute |= EFI_FV_FILE_ATTRIB_FIXED;\r
+ }\r
\r
+ return FileAttribute;\r
+}\r
\r
/**\r
Given the input key, search for the next matching file in the volume.\r
UINTN *KeyValue;\r
LIST_ENTRY *Link;\r
FFS_FILE_LIST_ENTRY *FfsFileEntry;\r
- UINTN FileLength;\r
\r
FvDevice = FV_DEVICE_FROM_THIS (This);\r
\r
*FileType = FfsFileHeader->Type;\r
CopyGuid (NameGuid, &FfsFileHeader->Name);\r
*Attributes = FfsAttributes2FvFileAttributes (FfsFileHeader->Attributes);\r
-\r
- //\r
- // Read four bytes out of the 3 byte array and throw out extra data\r
- //\r
- FileLength = *(UINT32 *)&FfsFileHeader->Size[0] & 0x00FFFFFF;\r
+ if ((FvDevice->FwVolHeader->Attributes & EFI_FVB2_MEMORY_MAPPED) == EFI_FVB2_MEMORY_MAPPED) {\r
+ *Attributes |= EFI_FV_FILE_ATTRIB_MEMORY_MAPPED;\r
+ }\r
\r
//\r
// we need to substract the header size\r
//\r
- *Size = FileLength - sizeof(EFI_FFS_FILE_HEADER);\r
+ if (IS_FFS_FILE2 (FfsFileHeader)) {\r
+ *Size = FFS_FILE2_SIZE (FfsFileHeader) - sizeof (EFI_FFS_FILE_HEADER2);\r
+ } else {\r
+ *Size = FFS_FILE_SIZE (FfsFileHeader) - sizeof (EFI_FFS_FILE_HEADER);\r
+ }\r
\r
return EFI_SUCCESS;\r
}\r
UINT8 *SrcPtr;\r
EFI_FFS_FILE_HEADER *FfsHeader;\r
UINTN InputBufferSize;\r
+ UINTN WholeFileSize;\r
\r
if (NameGuid == NULL) {\r
return EFI_INVALID_PARAMETER;\r
\r
//\r
// Keep looking until we find the matching NameGuid.\r
- // The Key is really an FfsFileEntry\r
+ // The Key is really a FfsFileEntry\r
//\r
FvDevice->LastKey = 0;\r
do {\r
// Get a pointer to the header\r
//\r
FfsHeader = FvDevice->LastKey->FfsHeader;\r
+ if (FvDevice->IsMemoryMapped) {\r
+ //\r
+ // Memory mapped FV has not been cached, so here is to cache by file.\r
+ //\r
+ if (!FvDevice->LastKey->FileCached) {\r
+ //\r
+ // Cache FFS file to memory buffer.\r
+ //\r
+ WholeFileSize = IS_FFS_FILE2 (FfsHeader) ? FFS_FILE2_SIZE (FfsHeader): FFS_FILE_SIZE (FfsHeader);\r
+ FfsHeader = AllocateCopyPool (WholeFileSize, FfsHeader);\r
+ if (FfsHeader == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+ //\r
+ // Let FfsHeader in FfsFileEntry point to the cached file buffer.\r
+ //\r
+ FvDevice->LastKey->FfsHeader = FfsHeader;\r
+ FvDevice->LastKey->FileCached = TRUE;\r
+ }\r
+ }\r
\r
//\r
// Remember callers buffer size\r
//\r
*FoundType = FfsHeader->Type;\r
*FileAttributes = FfsAttributes2FvFileAttributes (FfsHeader->Attributes);\r
- *AuthenticationStatus = 0;\r
+ if ((FvDevice->FwVolHeader->Attributes & EFI_FVB2_MEMORY_MAPPED) == EFI_FVB2_MEMORY_MAPPED) {\r
+ *FileAttributes |= EFI_FV_FILE_ATTRIB_MEMORY_MAPPED;\r
+ }\r
+ //\r
+ // Inherit the authentication status.\r
+ //\r
+ *AuthenticationStatus = FvDevice->AuthenticationStatus;\r
*BufferSize = FileSize;\r
\r
if (Buffer == NULL) {\r
//\r
- // If Buffer is NULL, we only want to get the information colected so far\r
+ // If Buffer is NULL, we only want to get the information collected so far\r
//\r
return EFI_SUCCESS;\r
}\r
//\r
// Skip over file header\r
//\r
- SrcPtr = ((UINT8 *)FfsHeader) + sizeof (EFI_FFS_FILE_HEADER);\r
+ if (IS_FFS_FILE2 (FfsHeader)) {\r
+ SrcPtr = ((UINT8 *) FfsHeader) + sizeof (EFI_FFS_FILE_HEADER2);\r
+ } else {\r
+ SrcPtr = ((UINT8 *) FfsHeader) + sizeof (EFI_FFS_FILE_HEADER);\r
+ }\r
\r
Status = EFI_SUCCESS;\r
if (*Buffer == NULL) {\r
FvDevice = FV_DEVICE_FROM_THIS (This);\r
\r
//\r
- // Read the whole file into buffer\r
+ // Read the file\r
//\r
- FileBuffer = NULL;\r
Status = FvReadFile (\r
This,\r
NameGuid,\r
- (VOID **)&FileBuffer,\r
+ NULL,\r
&FileSize,\r
&FileType,\r
&FileAttributes,\r
if (EFI_ERROR (Status)) {\r
return Status;\r
}\r
-\r
+ if (IS_FFS_FILE2 (FfsEntry->FfsHeader)) {\r
+ FileBuffer = ((UINT8 *) FfsEntry->FfsHeader) + sizeof (EFI_FFS_FILE_HEADER2);\r
+ } else {\r
+ FileBuffer = ((UINT8 *) FfsEntry->FfsHeader) + sizeof (EFI_FFS_FILE_HEADER);\r
+ }\r
//\r
// Check to see that the file actually HAS sections before we go any further.\r
//\r
}\r
\r
//\r
- // Use FfsEntry to cache Section Extraction Protocol Inforomation\r
+ // Use FfsEntry to cache Section Extraction Protocol Information\r
//\r
if (FfsEntry->StreamHandle == 0) {\r
Status = OpenSectionStream (\r
(SectionType == 0) ? 0 : SectionInstance,\r
Buffer,\r
BufferSize,\r
- AuthenticationStatus\r
+ AuthenticationStatus,\r
+ FvDevice->IsFfs3Fv\r
);\r
\r
+ if (!EFI_ERROR (Status)) {\r
+ //\r
+ // Inherit the authentication status.\r
+ //\r
+ *AuthenticationStatus |= FvDevice->AuthenticationStatus;\r
+ }\r
+\r
//\r
// Close of stream defered to close of FfsHeader list to allow SEP to cache data\r
//\r
\r
Done:\r
- CoreFreePool (FileBuffer);\r
-\r
return Status;\r
}\r
\r
projects / mirror_edk2.git / blobdiff