-/*++\r
+/** @file \r
+\r
+ Implements functions to read firmware file\r
\r
-Copyright (c) 2006, Intel Corporation \r
+Copyright (c) 2006 - 2008, Intel Corporation \r
All rights reserved. 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
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
\r
-Module Name:\r
-\r
- FwVolRead.c\r
-\r
-Abstract:\r
-\r
- Implements read firmware file\r
-\r
---*/\r
+**/\r
\r
#include <DxeMain.h>\r
\r
UINT8 mFvAttributes[] = {0, 4, 7, 9, 10, 12, 15, 16}; \r
\r
\r
+\r
+/**\r
+ Convert the FFS File Attributes to FV File Attributes\r
+\r
+ @param FfsAttributes The attributes of UINT8 type. \r
+\r
+ @return The attributes of EFI_FV_FILE_ATTRIBUTES\r
+\r
+**/\r
STATIC\r
EFI_FV_FILE_ATTRIBUTES\r
FfsAttributes2FvFileAttributes (\r
IN EFI_FFS_FILE_ATTRIBUTES FfsAttributes\r
)\r
-/*++\r
-\r
- Routine Description:\r
- Convert the FFS File Attributes to FV File Attributes\r
- \r
- Arguments:\r
- FfsAttributes - The attributes of UINT8 type.\r
- \r
- Returns:\r
- The attributes of EFI_FV_FILE_ATTRIBUTES\r
- \r
---*/\r
{\r
FfsAttributes = (EFI_FFS_FILE_ATTRIBUTES)((FfsAttributes & FFS_ATTRIB_DATA_ALIGNMENT) >> 3);\r
ASSERT (FfsAttributes < 8);\r
}\r
\r
\r
+\r
+/**\r
+ Given the input key, search for the next matching file in the volume.\r
+\r
+ @param This Indicates the calling context. \r
+ @param Key Key is a pointer to a caller allocated \r
+ buffer that contains implementation specific \r
+ data that is used to track where to begin \r
+ the search for the next file. The size of \r
+ the buffer must be at least This->KeySize \r
+ bytes long. To reinitialize the search and \r
+ begin from the beginning of the firmware \r
+ volume, the entire buffer must be cleared to \r
+ zero. Other than clearing the buffer to \r
+ initiate a new search, the caller must not \r
+ modify the data in the buffer between calls \r
+ to GetNextFile(). \r
+ @param FileType FileType is a pointer to a caller allocated \r
+ EFI_FV_FILETYPE. The GetNextFile() API can \r
+ filter it's search for files based on the \r
+ value of *FileType input. A *FileType input \r
+ of 0 causes GetNextFile() to search for \r
+ files of all types. If a file is found, the \r
+ file's type is returned in *FileType. \r
+ *FileType is not modified if no file is \r
+ found. \r
+ @param NameGuid NameGuid is a pointer to a caller allocated \r
+ EFI_GUID. If a file is found, the file's \r
+ name is returned in *NameGuid. *NameGuid is \r
+ not modified if no file is found. \r
+ @param Attributes Attributes is a pointer to a caller \r
+ allocated EFI_FV_FILE_ATTRIBUTES. If a file \r
+ is found, the file's attributes are returned \r
+ in *Attributes. *Attributes is not modified \r
+ if no file is found. \r
+ @param Size Size is a pointer to a caller allocated \r
+ UINTN. If a file is found, the file's size \r
+ is returned in *Size. *Size is not modified \r
+ if no file is found. \r
+\r
+ @retval EFI_SUCCESS Successfully find the file. \r
+ @retval EFI_DEVICE_ERROR Device error. \r
+ @retval EFI_ACCESS_DENIED Fv could not read. \r
+ @retval EFI_NOT_FOUND No matching file found. \r
+ @retval EFI_INVALID_PARAMETER Invalid parameter\r
+\r
+**/\r
EFI_STATUS\r
EFIAPI\r
FvGetNextFile (\r
- IN EFI_FIRMWARE_VOLUME_PROTOCOL *This,\r
- IN OUT VOID *Key,\r
- IN OUT EFI_FV_FILETYPE *FileType,\r
+ IN CONST EFI_FIRMWARE_VOLUME2_PROTOCOL *This,\r
+ IN OUT VOID *Key,\r
+ IN OUT EFI_FV_FILETYPE *FileType,\r
OUT EFI_GUID *NameGuid,\r
OUT EFI_FV_FILE_ATTRIBUTES *Attributes,\r
- OUT UINTN *Size\r
+ OUT UINTN *Size\r
)\r
-/*++\r
-\r
-Routine Description:\r
- Given the input key, search for the next matching file in the volume.\r
-\r
-Arguments:\r
- This - Indicates the calling context.\r
- FileType - FileType is a pointer to a caller allocated\r
- EFI_FV_FILETYPE. The GetNextFile() API can filter it's\r
- search for files based on the value of *FileType input.\r
- A *FileType input of 0 causes GetNextFile() to search for\r
- files of all types. If a file is found, the file's type\r
- is returned in *FileType. *FileType is not modified if\r
- no file is found.\r
- Key - Key is a pointer to a caller allocated buffer that\r
- contains implementation specific data that is used to\r
- track where to begin the search for the next file.\r
- The size of the buffer must be at least This->KeySize\r
- bytes long. To reinitialize the search and begin from\r
- the beginning of the firmware volume, the entire buffer\r
- must be cleared to zero. Other than clearing the buffer\r
- to initiate a new search, the caller must not modify the\r
- data in the buffer between calls to GetNextFile().\r
- NameGuid - NameGuid is a pointer to a caller allocated EFI_GUID.\r
- If a file is found, the file's name is returned in\r
- *NameGuid. *NameGuid is not modified if no file is\r
- found.\r
- Attributes - Attributes is a pointer to a caller allocated\r
- EFI_FV_FILE_ATTRIBUTES. If a file is found, the file's\r
- attributes are returned in *Attributes. *Attributes is\r
- not modified if no file is found.\r
- Size - Size is a pointer to a caller allocated UINTN.\r
- If a file is found, the file's size is returned in *Size.\r
- *Size is not modified if no file is found.\r
-\r
-Returns:\r
- EFI_SUCCESS - Successfully find the file.\r
- EFI_DEVICE_ERROR - Device error.\r
- EFI_ACCESS_DENIED - Fv could not read.\r
- EFI_NOT_FOUND - No matching file found.\r
- EFI_INVALID_PARAMETER - Invalid parameter\r
-\r
---*/\r
{\r
EFI_STATUS Status;\r
FV_DEVICE *FvDevice;\r
//\r
// Check if read operation is enabled\r
//\r
- if ((FvAttributes & EFI_FV_READ_STATUS) == 0) {\r
+ if ((FvAttributes & EFI_FV2_READ_STATUS) == 0) {\r
return EFI_ACCESS_DENIED;\r
}\r
\r
//\r
// File type needs to be in 0 - 0x0B\r
//\r
- return EFI_INVALID_PARAMETER;\r
+ return EFI_NOT_FOUND;\r
}\r
\r
KeyValue = (UINTN *)Key;\r
continue;\r
}\r
\r
- if (*FileType == 0) {\r
+ if (*FileType == EFI_FV_FILETYPE_ALL) {\r
//\r
// Process all file types so we have a match\r
//\r
//\r
*Size = FileLength - sizeof(EFI_FFS_FILE_HEADER);\r
\r
- if (FfsFileHeader->Attributes & FFS_ATTRIB_TAIL_PRESENT) {\r
- //\r
- // If tail is present substract it's size;\r
- //\r
- *Size -= sizeof(EFI_FFS_FILE_TAIL);\r
- }\r
-\r
return EFI_SUCCESS;\r
}\r
\r
\r
+\r
+/**\r
+ Locates a file in the firmware volume and\r
+ copies it to the supplied buffer.\r
+\r
+ @param This Indicates the calling context. \r
+ @param NameGuid Pointer to an EFI_GUID, which is the \r
+ filename. \r
+ @param Buffer Buffer is a pointer to pointer to a buffer \r
+ in which the file or section contents or are \r
+ returned. \r
+ @param BufferSize BufferSize is a pointer to caller allocated \r
+ UINTN. On input *BufferSize indicates the \r
+ size in bytes of the memory region pointed \r
+ to by Buffer. On output, *BufferSize \r
+ contains the number of bytes required to \r
+ read the file. \r
+ @param FoundType FoundType is a pointer to a caller allocated \r
+ EFI_FV_FILETYPE that on successful return \r
+ from Read() contains the type of file read. \r
+ This output reflects the file type \r
+ irrespective of the value of the SectionType \r
+ input. \r
+ @param FileAttributes FileAttributes is a pointer to a caller \r
+ allocated EFI_FV_FILE_ATTRIBUTES. On \r
+ successful return from Read(), \r
+ *FileAttributes contains the attributes of \r
+ the file read. \r
+ @param AuthenticationStatus AuthenticationStatus is a pointer to a \r
+ caller allocated UINTN in which the \r
+ authentication status is returned. \r
+\r
+ @retval EFI_SUCCESS Successfully read to memory buffer. \r
+ @retval EFI_WARN_BUFFER_TOO_SMALL Buffer too small. \r
+ @retval EFI_NOT_FOUND Not found. \r
+ @retval EFI_DEVICE_ERROR Device error. \r
+ @retval EFI_ACCESS_DENIED Could not read. \r
+ @retval EFI_INVALID_PARAMETER Invalid parameter. \r
+ @retval EFI_OUT_OF_RESOURCES Not enough buffer to be allocated.\r
+\r
+**/\r
EFI_STATUS\r
EFIAPI\r
FvReadFile (\r
- IN EFI_FIRMWARE_VOLUME_PROTOCOL *This,\r
- IN EFI_GUID *NameGuid,\r
- IN OUT VOID **Buffer,\r
- IN OUT UINTN *BufferSize,\r
- OUT EFI_FV_FILETYPE *FoundType,\r
- OUT EFI_FV_FILE_ATTRIBUTES *FileAttributes,\r
- OUT UINT32 *AuthenticationStatus\r
+ IN CONST EFI_FIRMWARE_VOLUME2_PROTOCOL *This,\r
+ IN CONST EFI_GUID *NameGuid,\r
+ IN OUT VOID **Buffer,\r
+ IN OUT UINTN *BufferSize,\r
+ OUT EFI_FV_FILETYPE *FoundType,\r
+ OUT EFI_FV_FILE_ATTRIBUTES *FileAttributes,\r
+ OUT UINT32 *AuthenticationStatus\r
)\r
-/*++\r
-\r
-Routine Description:\r
- Locates a file in the firmware volume and\r
- copies it to the supplied buffer.\r
-\r
-Arguments:\r
- This - Indicates the calling context.\r
- NameGuid - Pointer to an EFI_GUID, which is the filename.\r
- Buffer - Buffer is a pointer to pointer to a buffer in\r
- which the file or section contents or are returned.\r
- BufferSize - BufferSize is a pointer to caller allocated\r
- UINTN. On input *BufferSize indicates the size\r
- in bytes of the memory region pointed to by\r
- Buffer. On output, *BufferSize contains the number\r
- of bytes required to read the file.\r
- FoundType - FoundType is a pointer to a caller allocated\r
- EFI_FV_FILETYPE that on successful return from Read()\r
- contains the type of file read. This output reflects\r
- the file type irrespective of the value of the\r
- SectionType input.\r
- FileAttributes - FileAttributes is a pointer to a caller allocated\r
- EFI_FV_FILE_ATTRIBUTES. On successful return from\r
- Read(), *FileAttributes contains the attributes of\r
- the file read.\r
- AuthenticationStatus - AuthenticationStatus is a pointer to a caller\r
- allocated UINTN in which the authentication status\r
- is returned.\r
-Returns:\r
- EFI_SUCCESS - Successfully read to memory buffer.\r
- EFI_WARN_BUFFER_TOO_SMALL - Buffer too small.\r
- EFI_NOT_FOUND - Not found.\r
- EFI_DEVICE_ERROR - Device error.\r
- EFI_ACCESS_DENIED - Could not read.\r
- EFI_INVALID_PARAMETER - Invalid parameter.\r
- EFI_OUT_OF_RESOURCES - Not enough buffer to be allocated.\r
-\r
---*/\r
{\r
EFI_STATUS Status;\r
FV_DEVICE *FvDevice;\r
}\r
\r
\r
+\r
+/**\r
+ Locates a section in a given FFS File and\r
+ copies it to the supplied buffer (not including section header).\r
+\r
+ @param This Indicates the calling context. \r
+ @param NameGuid Pointer to an EFI_GUID, which is the \r
+ filename. \r
+ @param SectionType Indicates the section type to return. \r
+ @param SectionInstance Indicates which instance of sections with a \r
+ type of SectionType to return. \r
+ @param Buffer Buffer is a pointer to pointer to a buffer \r
+ in which the file or section contents or are \r
+ returned. \r
+ @param BufferSize BufferSize is a pointer to caller allocated \r
+ UINTN.\r
+ @param AuthenticationStatus AuthenticationStatus is a pointer to a \r
+ caller allocated UINT32 in which the \r
+ authentication status is returned. \r
+\r
+ @retval EFI_SUCCESS Successfully read the file section into \r
+ buffer. \r
+ @retval EFI_WARN_BUFFER_TOO_SMALL Buffer too small. \r
+ @retval EFI_NOT_FOUND Section not found. \r
+ @retval EFI_DEVICE_ERROR Device error. \r
+ @retval EFI_ACCESS_DENIED Could not read. \r
+ @retval EFI_INVALID_PARAMETER Invalid parameter.\r
+\r
+**/\r
EFI_STATUS\r
EFIAPI\r
FvReadFileSection (\r
- IN EFI_FIRMWARE_VOLUME_PROTOCOL *This,\r
- IN EFI_GUID *NameGuid,\r
- IN EFI_SECTION_TYPE SectionType,\r
- IN UINTN SectionInstance,\r
- IN OUT VOID **Buffer,\r
- IN OUT UINTN *BufferSize,\r
- OUT UINT32 *AuthenticationStatus\r
+ IN CONST EFI_FIRMWARE_VOLUME2_PROTOCOL *This,\r
+ IN CONST EFI_GUID *NameGuid,\r
+ IN EFI_SECTION_TYPE SectionType,\r
+ IN UINTN SectionInstance,\r
+ IN OUT VOID **Buffer,\r
+ IN OUT UINTN *BufferSize,\r
+ OUT UINT32 *AuthenticationStatus\r
)\r
-/*++\r
-\r
- Routine Description:\r
- Locates a section in a given FFS File and\r
- copies it to the supplied buffer (not including section header).\r
-\r
- Arguments:\r
- This - Indicates the calling context.\r
- NameGuid - Pointer to an EFI_GUID, which is the filename.\r
- SectionType - Indicates the section type to return.\r
- SectionInstance - Indicates which instance of sections with a type of\r
- SectionType to return.\r
- Buffer - Buffer is a pointer to pointer to a buffer in which\r
- the file or section contents or are returned.\r
- BufferSize - BufferSize is a pointer to caller allocated UINTN.\r
- AuthenticationStatus -AuthenticationStatus is a pointer to a caller\r
- allocated UINT32 in which the authentication status\r
- is returned.\r
-\r
- Returns:\r
- EFI_SUCCESS - Successfully read the file section into buffer.\r
- EFI_WARN_BUFFER_TOO_SMALL - Buffer too small.\r
- EFI_NOT_FOUND - Section not found.\r
- EFI_DEVICE_ERROR - Device error.\r
- EFI_ACCESS_DENIED - Could not read.\r
- EFI_INVALID_PARAMETER - Invalid parameter.\r
-\r
---*/\r
{\r
EFI_STATUS Status;\r
FV_DEVICE *FvDevice;\r
EFI_FV_FILE_ATTRIBUTES FileAttributes;\r
UINTN FileSize;\r
UINT8 *FileBuffer;\r
- EFI_SECTION_EXTRACTION_PROTOCOL *Sep;\r
FFS_FILE_LIST_ENTRY *FfsEntry;\r
\r
if (NULL == NameGuid || Buffer == NULL) {\r
// Use FfsEntry to cache Section Extraction Protocol Inforomation\r
//\r
if (FfsEntry->StreamHandle == 0) {\r
- //\r
- // Located the protocol\r
- //\r
- Status = CoreLocateProtocol (&gEfiSectionExtractionProtocolGuid, NULL, (VOID **)&Sep);\r
- //\r
- // Section Extraction Protocol is part of Dxe Core so this should never fail\r
- //\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- Status = Sep->OpenSectionStream (\r
- Sep,\r
+ Status = OpenSectionStream (\r
FileSize,\r
FileBuffer,\r
&FfsEntry->StreamHandle\r
if (EFI_ERROR (Status)) {\r
goto Done;\r
}\r
-\r
- FfsEntry->Sep = Sep;\r
- } else {\r
- //\r
- // Get cached copy of Sep\r
- //\r
- Sep = FfsEntry->Sep;\r
}\r
\r
//\r
// If SectionType == 0 We need the whole section stream\r
//\r
- Status = Sep->GetSection (\r
- Sep,\r
- FfsEntry->StreamHandle,\r
- (SectionType == 0) ? NULL : &SectionType,\r
- NULL,\r
- (SectionType == 0) ? 0 : SectionInstance,\r
- Buffer,\r
- BufferSize,\r
- AuthenticationStatus\r
- );\r
+ Status = GetSection (\r
+ FfsEntry->StreamHandle,\r
+ (SectionType == 0) ? NULL : &SectionType,\r
+ NULL,\r
+ (SectionType == 0) ? 0 : SectionInstance,\r
+ Buffer,\r
+ BufferSize,\r
+ AuthenticationStatus\r
+ );\r
\r
//\r
// Close of stream defered to close of FfsHeader list to allow SEP to cache data\r
return Status;\r
}\r
\r
+\r
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