/** @file\r
*\r
-* Copyright (c) 2011, ARM Limited. All rights reserved.\r
+* Copyright (c) 2011-2014, ARM Limited. All rights reserved.\r
*\r
* This program and the accompanying materials\r
* are licensed and made available under the terms and conditions of the BSD License\r
EFI_STATUS\r
BdsLoadOptionFileSystemCreateDevicePath (\r
IN CHAR16* FileName,\r
- OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNode,\r
- OUT ARM_BDS_LOADER_TYPE *BootType,\r
- OUT UINT32 *Attributes\r
+ OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNodes\r
);\r
\r
EFI_STATUS\r
BdsLoadOptionFileSystemUpdateDevicePath (\r
IN EFI_DEVICE_PATH *OldDevicePath,\r
IN CHAR16* FileName,\r
- OUT EFI_DEVICE_PATH_PROTOCOL **NewDevicePath,\r
- OUT ARM_BDS_LOADER_TYPE *BootType,\r
- OUT UINT32 *Attributes\r
+ OUT EFI_DEVICE_PATH_PROTOCOL **NewDevicePath\r
);\r
\r
BOOLEAN\r
EFI_STATUS\r
BdsLoadOptionMemMapCreateDevicePath (\r
IN CHAR16* FileName,\r
- OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNode,\r
- OUT ARM_BDS_LOADER_TYPE *BootType,\r
- OUT UINT32 *Attributes\r
+ OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNodes\r
);\r
\r
EFI_STATUS\r
BdsLoadOptionMemMapUpdateDevicePath (\r
IN EFI_DEVICE_PATH *OldDevicePath,\r
IN CHAR16* FileName,\r
- OUT EFI_DEVICE_PATH_PROTOCOL **NewDevicePath,\r
- OUT ARM_BDS_LOADER_TYPE *BootType,\r
- OUT UINT32 *Attributes\r
+ OUT EFI_DEVICE_PATH_PROTOCOL **NewDevicePath\r
);\r
\r
BOOLEAN\r
EFI_STATUS\r
BdsLoadOptionPxeCreateDevicePath (\r
IN CHAR16* FileName,\r
- OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNode,\r
- OUT ARM_BDS_LOADER_TYPE *BootType,\r
- OUT UINT32 *Attributes\r
+ OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNodes\r
);\r
\r
EFI_STATUS\r
BdsLoadOptionPxeUpdateDevicePath (\r
IN EFI_DEVICE_PATH *OldDevicePath,\r
IN CHAR16* FileName,\r
- OUT EFI_DEVICE_PATH_PROTOCOL **NewDevicePath,\r
- OUT ARM_BDS_LOADER_TYPE *BootType,\r
- OUT UINT32 *Attributes\r
+ OUT EFI_DEVICE_PATH_PROTOCOL **NewDevicePath\r
);\r
\r
BOOLEAN\r
EFI_STATUS\r
BdsLoadOptionTftpCreateDevicePath (\r
IN CHAR16* FileName,\r
- OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNode,\r
- OUT ARM_BDS_LOADER_TYPE *BootType,\r
- OUT UINT32 *Attributes\r
+ OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNodes\r
);\r
\r
EFI_STATUS\r
BdsLoadOptionTftpUpdateDevicePath (\r
IN EFI_DEVICE_PATH *OldDevicePath,\r
IN CHAR16* FileName,\r
- OUT EFI_DEVICE_PATH_PROTOCOL **NewDevicePath,\r
- OUT ARM_BDS_LOADER_TYPE *BootType,\r
- OUT UINT32 *Attributes\r
+ OUT EFI_DEVICE_PATH_PROTOCOL **NewDevicePath\r
);\r
\r
BOOLEAN\r
BdsLoadOptionFileSystemList,\r
BdsLoadOptionFileSystemIsSupported,\r
BdsLoadOptionFileSystemCreateDevicePath,\r
- BdsLoadOptionFileSystemUpdateDevicePath\r
+ BdsLoadOptionFileSystemUpdateDevicePath,\r
+ TRUE\r
},\r
{\r
BDS_DEVICE_MEMMAP,\r
BdsLoadOptionMemMapList,\r
BdsLoadOptionMemMapIsSupported,\r
BdsLoadOptionMemMapCreateDevicePath,\r
- BdsLoadOptionMemMapUpdateDevicePath\r
+ BdsLoadOptionMemMapUpdateDevicePath,\r
+ TRUE\r
},\r
{\r
BDS_DEVICE_PXE,\r
BdsLoadOptionPxeList,\r
BdsLoadOptionPxeIsSupported,\r
BdsLoadOptionPxeCreateDevicePath,\r
- BdsLoadOptionPxeUpdateDevicePath\r
+ BdsLoadOptionPxeUpdateDevicePath,\r
+ FALSE\r
},\r
{\r
BDS_DEVICE_TFTP,\r
BdsLoadOptionTftpList,\r
BdsLoadOptionTftpIsSupported,\r
BdsLoadOptionTftpCreateDevicePath,\r
- BdsLoadOptionTftpUpdateDevicePath\r
+ BdsLoadOptionTftpUpdateDevicePath,\r
+ TRUE\r
}\r
};\r
\r
return EFI_UNSUPPORTED;\r
}\r
\r
-STATIC\r
EFI_STATUS\r
BootDeviceGetType (\r
- IN CHAR16* FileName,\r
+ IN EFI_DEVICE_PATH* DevicePath,\r
OUT ARM_BDS_LOADER_TYPE *BootType,\r
OUT UINT32 *Attributes\r
)\r
{\r
- EFI_STATUS Status;\r
- BOOLEAN IsEfiApp;\r
- BOOLEAN IsBootLoader;\r
- BOOLEAN HasFDTSupport;\r
+ EFI_STATUS Status;\r
+ BOOLEAN IsEfiApp;\r
+ BOOLEAN IsBootLoader;\r
+ BOOLEAN HasFDTSupport;\r
+ CHAR16* FileName;\r
+ EFI_DEVICE_PATH* PrevDevicePathNode;\r
+ EFI_DEVICE_PATH* DevicePathNode;\r
+ EFI_PHYSICAL_ADDRESS Image;\r
+ UINTN FileSize;\r
+ EFI_IMAGE_DOS_HEADER* DosHeader;\r
+ UINTN PeCoffHeaderOffset;\r
+ EFI_IMAGE_NT_HEADERS32* NtHeader;\r
+\r
+ //\r
+ // Check if the last node of the device path is a FilePath node\r
+ //\r
+ PrevDevicePathNode = NULL;\r
+ DevicePathNode = DevicePath;\r
+ while ((DevicePathNode != NULL) && !IsDevicePathEnd (DevicePathNode)) {\r
+ PrevDevicePathNode = DevicePathNode;\r
+ DevicePathNode = NextDevicePathNode (DevicePathNode);\r
+ }\r
+\r
+ if ((PrevDevicePathNode != NULL) &&\r
+ (PrevDevicePathNode->Type == MEDIA_DEVICE_PATH) &&\r
+ (PrevDevicePathNode->SubType == MEDIA_FILEPATH_DP))\r
+ {\r
+ FileName = ((FILEPATH_DEVICE_PATH*)PrevDevicePathNode)->PathName;\r
+ } else {\r
+ FileName = NULL;\r
+ }\r
\r
if (FileName == NULL) {\r
Print(L"Is an EFI Application? ");\r
} else if (HasFilePathEfiExtension(FileName)) {\r
IsEfiApp = TRUE;\r
} else {\r
- IsEfiApp = FALSE;\r
+ // Check if the file exist\r
+ Status = BdsLoadImage (DevicePath, AllocateAnyPages, &Image, &FileSize);\r
+ if (!EFI_ERROR (Status)) {\r
+\r
+ DosHeader = (EFI_IMAGE_DOS_HEADER *)(UINTN) Image;\r
+ if (DosHeader->e_magic == EFI_IMAGE_DOS_SIGNATURE) {\r
+ //\r
+ // DOS image header is present,\r
+ // so read the PE header after the DOS image header.\r
+ //\r
+ PeCoffHeaderOffset = DosHeader->e_lfanew;\r
+ } else {\r
+ PeCoffHeaderOffset = 0;\r
+ }\r
+\r
+ //\r
+ // Check PE/COFF image.\r
+ //\r
+ NtHeader = (EFI_IMAGE_NT_HEADERS32 *)(UINTN) (Image + PeCoffHeaderOffset);\r
+ if (NtHeader->Signature != EFI_IMAGE_NT_SIGNATURE) {\r
+ IsEfiApp = FALSE;\r
+ } else {\r
+ IsEfiApp = TRUE;\r
+ }\r
+\r
+ // Free memory\r
+ gBS->FreePages (Image, EFI_SIZE_TO_PAGES(FileSize));\r
+ } else {\r
+ // If we did not manage to open it then ask for the type\r
+ Print(L"Is an EFI Application? ");\r
+ Status = GetHIInputBoolean (&IsEfiApp);\r
+ if (EFI_ERROR(Status)) {\r
+ return EFI_ABORTED;\r
+ }\r
+ }\r
}\r
\r
if (IsEfiApp) {\r
EFI_STATUS\r
BdsLoadOptionFileSystemCreateDevicePath (\r
IN CHAR16* FileName,\r
- OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNode,\r
- OUT ARM_BDS_LOADER_TYPE *BootType,\r
- OUT UINT32 *Attributes\r
+ OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNodes\r
)\r
{\r
EFI_STATUS Status;\r
\r
BootFilePathSize = StrSize (BootFilePath);\r
if (BootFilePathSize == 2) {\r
- *DevicePathNode = NULL;\r
+ *DevicePathNodes = NULL;\r
return EFI_NOT_FOUND;\r
}\r
\r
// Create the FilePath Device Path node\r
- FilePathDevicePath = (FILEPATH_DEVICE_PATH*)AllocatePool(SIZE_OF_FILEPATH_DEVICE_PATH + BootFilePathSize);\r
+ FilePathDevicePath = (FILEPATH_DEVICE_PATH*)AllocatePool(SIZE_OF_FILEPATH_DEVICE_PATH + BootFilePathSize + END_DEVICE_PATH_LENGTH);\r
FilePathDevicePath->Header.Type = MEDIA_DEVICE_PATH;\r
FilePathDevicePath->Header.SubType = MEDIA_FILEPATH_DP;\r
SetDevicePathNodeLength (FilePathDevicePath, SIZE_OF_FILEPATH_DEVICE_PATH + BootFilePathSize);\r
CopyMem (FilePathDevicePath->PathName, BootFilePath, BootFilePathSize);\r
-\r
- if (BootType != NULL || Attributes != NULL) {\r
- Status = BootDeviceGetType (FilePathDevicePath->PathName, BootType, Attributes);\r
- }\r
-\r
- if (EFI_ERROR(Status)) {\r
- FreePool (FilePathDevicePath);\r
- } else {\r
- *DevicePathNode = (EFI_DEVICE_PATH_PROTOCOL*)FilePathDevicePath;\r
- }\r
+ SetDevicePathEndNode ((VOID*)((UINTN)FilePathDevicePath + SIZE_OF_FILEPATH_DEVICE_PATH + BootFilePathSize));\r
+ *DevicePathNodes = (EFI_DEVICE_PATH_PROTOCOL*)FilePathDevicePath;\r
\r
return Status;\r
}\r
BdsLoadOptionFileSystemUpdateDevicePath (\r
IN EFI_DEVICE_PATH *OldDevicePath,\r
IN CHAR16* FileName,\r
- OUT EFI_DEVICE_PATH_PROTOCOL **NewDevicePath,\r
- OUT ARM_BDS_LOADER_TYPE *BootType,\r
- OUT UINT32 *Attributes\r
+ OUT EFI_DEVICE_PATH_PROTOCOL **NewDevicePath\r
)\r
{\r
EFI_STATUS Status;\r
FILEPATH_DEVICE_PATH* FilePathDevicePath;\r
EFI_DEVICE_PATH* DevicePath;\r
\r
- DevicePath = DuplicateDevicePath(OldDevicePath);\r
+ DevicePath = DuplicateDevicePath (OldDevicePath);\r
\r
EndingDevicePath = (FILEPATH_DEVICE_PATH*)GetLastDevicePathNode (DevicePath);\r
\r
*NewDevicePath = AppendDevicePathNode (DevicePath, (CONST EFI_DEVICE_PATH_PROTOCOL *)FilePathDevicePath);\r
FreePool(DevicePath);\r
\r
- if (BootType != NULL || Attributes != NULL) {\r
- return BootDeviceGetType (FilePathDevicePath->PathName, BootType, Attributes);\r
- }\r
-\r
return EFI_SUCCESS;\r
}\r
\r
+/**\r
+ Check if a boot option path is a file system boot option path or not.\r
+\r
+ The device specified by the beginning of the path has to support the Simple File\r
+ System protocol. Furthermore, the remaining part of the path has to be composed of\r
+ a single node of type MEDIA_DEVICE_PATH and sub-type MEDIA_FILEPATH_DP.\r
+\r
+ @param[in] DevicePath Complete device path of a boot option.\r
+\r
+ @retval FALSE The boot option path has not been identified as that of a\r
+ file system boot option.\r
+ @retval TRUE The boot option path is a file system boot option.\r
+**/\r
BOOLEAN\r
BdsLoadOptionFileSystemIsSupported (\r
- IN EFI_DEVICE_PATH *DevicePath\r
+ IN EFI_DEVICE_PATH *DevicePath\r
)\r
{\r
- EFI_DEVICE_PATH* DevicePathNode;\r
+ EFI_STATUS Status;\r
+ EFI_HANDLE Handle;\r
+ EFI_DEVICE_PATH *RemainingDevicePath;\r
+ EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *FileProtocol;\r
\r
- DevicePathNode = GetLastDevicePathNode (DevicePath);\r
+ Status = BdsConnectDevicePath (DevicePath, &Handle, &RemainingDevicePath);\r
+ if (EFI_ERROR (Status)) {\r
+ return FALSE;\r
+ }\r
\r
- return IS_DEVICE_PATH_NODE(DevicePathNode,MEDIA_DEVICE_PATH,MEDIA_FILEPATH_DP);\r
+ Status = gBS->HandleProtocol (\r
+ Handle,\r
+ &gEfiSimpleFileSystemProtocolGuid,\r
+ (VOID **)(&FileProtocol)\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return FALSE;\r
+ }\r
+\r
+ if (!IS_DEVICE_PATH_NODE (RemainingDevicePath, MEDIA_DEVICE_PATH, MEDIA_FILEPATH_DP))\r
+ return FALSE;\r
+\r
+ return TRUE;\r
}\r
\r
STATIC\r
EFI_STATUS\r
BdsLoadOptionMemMapCreateDevicePath (\r
IN CHAR16* FileName,\r
- OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNode,\r
- OUT ARM_BDS_LOADER_TYPE *BootType,\r
- OUT UINT32 *Attributes\r
+ OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNodes\r
)\r
{\r
EFI_STATUS Status;\r
\r
// Set a Device Path End Node after the Memory Map Device Path Node\r
SetDevicePathEndNode (MemMapDevicePath + 1);\r
-\r
- if (BootType != NULL || Attributes != NULL) {\r
- Status = BootDeviceGetType (NULL, BootType, Attributes);\r
- }\r
-\r
- if (EFI_ERROR(Status)) {\r
- FreePool (MemMapDevicePath);\r
- } else {\r
- *DevicePathNode = (EFI_DEVICE_PATH_PROTOCOL*)MemMapDevicePath;\r
- }\r
+ *DevicePathNodes = (EFI_DEVICE_PATH_PROTOCOL*)MemMapDevicePath;\r
\r
return Status;\r
}\r
BdsLoadOptionMemMapUpdateDevicePath (\r
IN EFI_DEVICE_PATH *OldDevicePath,\r
IN CHAR16* FileName,\r
- OUT EFI_DEVICE_PATH_PROTOCOL **NewDevicePath,\r
- OUT ARM_BDS_LOADER_TYPE *BootType,\r
- OUT UINT32 *Attributes\r
+ OUT EFI_DEVICE_PATH_PROTOCOL **NewDevicePath\r
)\r
{\r
EFI_STATUS Status;\r
EndingDevicePath->StartingAddress = StrHexToUint64 (StrStartingAddress);\r
EndingDevicePath->EndingAddress = StrHexToUint64 (StrEndingAddress);\r
\r
- if (BootType != NULL || Attributes != NULL) {\r
- Status = BootDeviceGetType (NULL, BootType, Attributes);\r
- }\r
-\r
if (EFI_ERROR(Status)) {\r
FreePool(DevicePath);\r
} else {\r
return Status;\r
}\r
\r
+/**\r
+ Check if a boot option path is a memory map boot option path or not.\r
+\r
+ The device specified by the beginning of the path has to support the BlockIo\r
+ protocol. Furthermore, the remaining part of the path has to be composed of\r
+ a single node of type HARDWARE_DEVICE_PATH and sub-type HW_MEMMAP_DP.\r
+\r
+ @param[in] DevicePath Complete device path of a boot option.\r
+\r
+ @retval FALSE The boot option path has not been identified as that of a\r
+ memory map boot option.\r
+ @retval TRUE The boot option path is a a memory map boot option.\r
+**/\r
BOOLEAN\r
BdsLoadOptionMemMapIsSupported (\r
- IN EFI_DEVICE_PATH *DevicePath\r
+ IN EFI_DEVICE_PATH *DevicePath\r
)\r
{\r
- EFI_DEVICE_PATH* DevicePathNode;\r
+ EFI_STATUS Status;\r
+ EFI_HANDLE Handle;\r
+ EFI_DEVICE_PATH *RemainingDevicePath;\r
+ EFI_BLOCK_IO_PROTOCOL *BlockIoProtocol;\r
\r
- DevicePathNode = GetLastDevicePathNode (DevicePath);\r
+ Status = BdsConnectDevicePath (DevicePath, &Handle, &RemainingDevicePath);\r
+ if (EFI_ERROR (Status)) {\r
+ return FALSE;\r
+ }\r
+\r
+ Status = gBS->HandleProtocol (\r
+ Handle,\r
+ &gEfiBlockIoProtocolGuid,\r
+ (VOID **)(&BlockIoProtocol)\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return FALSE;\r
+ }\r
+\r
+ if (!IS_DEVICE_PATH_NODE (RemainingDevicePath, HARDWARE_DEVICE_PATH, HW_MEMMAP_DP))\r
+ return FALSE;\r
\r
- return IS_DEVICE_PATH_NODE(DevicePathNode,HARDWARE_DEVICE_PATH,HW_MEMMAP_DP);\r
+ return TRUE;\r
}\r
\r
EFI_STATUS\r
EFI_STATUS\r
BdsLoadOptionPxeCreateDevicePath (\r
IN CHAR16* FileName,\r
- OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNode,\r
- OUT ARM_BDS_LOADER_TYPE *BootType,\r
- OUT UINT32 *Attributes\r
+ OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNodes\r
)\r
{\r
- *DevicePathNode = (EFI_DEVICE_PATH_PROTOCOL *) AllocatePool (END_DEVICE_PATH_LENGTH);\r
- SetDevicePathEndNode (*DevicePathNode);\r
- *BootType = BDS_LOADER_EFI_APPLICATION;\r
+ *DevicePathNodes = (EFI_DEVICE_PATH_PROTOCOL *) AllocatePool (END_DEVICE_PATH_LENGTH);\r
+ SetDevicePathEndNode (*DevicePathNodes);\r
+\r
return EFI_SUCCESS;\r
}\r
\r
+/**\r
+ Update the parameters of a Pxe boot option\r
+\r
+ @param[in] OldDevicePath Current complete device path of the Pxe boot option.\r
+ This has to be a valid complete Pxe boot option path.\r
+ @param[in] FileName Description of the file the path is asked for\r
+ @param[out] NewDevicePath Pointer to the new complete device path.\r
+\r
+ @retval EFI_SUCCESS Update completed\r
+ @retval EFI_OUT_OF_RESOURCES Fail to perform the update due to lack of resource\r
+**/\r
EFI_STATUS\r
BdsLoadOptionPxeUpdateDevicePath (\r
IN EFI_DEVICE_PATH *OldDevicePath,\r
IN CHAR16* FileName,\r
- OUT EFI_DEVICE_PATH_PROTOCOL **NewDevicePath,\r
- OUT ARM_BDS_LOADER_TYPE *BootType,\r
- OUT UINT32 *Attributes\r
+ OUT EFI_DEVICE_PATH_PROTOCOL **NewDevicePath\r
)\r
{\r
- ASSERT (0);\r
- return EFI_SUCCESS;\r
+ //\r
+ // Make a copy of the complete device path that is made of :\r
+ // the device path of the device supporting the Pxe base code protocol\r
+ // followed by an end node.\r
+ //\r
+ *NewDevicePath = DuplicateDevicePath (OldDevicePath);\r
+ if (*NewDevicePath == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ } else {\r
+ return EFI_SUCCESS;\r
+ }\r
}\r
\r
BOOLEAN\r
BdsLoadOptionPxeIsSupported (\r
- IN EFI_DEVICE_PATH *DevicePath\r
+ IN EFI_DEVICE_PATH *DevicePath\r
)\r
{\r
EFI_STATUS Status;\r
Status = GenerateDeviceDescriptionName (HandleBuffer[Index], DeviceDescription);\r
ASSERT_EFI_ERROR (Status);\r
}\r
- UnicodeSPrint (SupportedDevice->Description,BOOT_DEVICE_DESCRIPTION_MAX,L"TFP on %s",DeviceDescription);\r
+ UnicodeSPrint (SupportedDevice->Description,BOOT_DEVICE_DESCRIPTION_MAX,L"TFTP on %s",DeviceDescription);\r
\r
SupportedDevice->DevicePathProtocol = DevicePathProtocol;\r
SupportedDevice->Support = &BdsLoadOptionSupportList[BDS_DEVICE_TFTP];\r
EFI_STATUS\r
BdsLoadOptionTftpCreateDevicePath (\r
IN CHAR16* FileName,\r
- OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNode,\r
- OUT ARM_BDS_LOADER_TYPE *BootType,\r
- OUT UINT32 *Attributes\r
+ OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNodes\r
)\r
{\r
EFI_STATUS Status;\r
}\r
\r
// Allocate the memory for the IPv4 + File Path Device Path Nodes\r
- IPv4DevicePathNode = (IPv4_DEVICE_PATH*)AllocatePool(sizeof(IPv4_DEVICE_PATH) + SIZE_OF_FILEPATH_DEVICE_PATH + BootFilePathSize);\r
+ IPv4DevicePathNode = (IPv4_DEVICE_PATH*)AllocatePool(sizeof(IPv4_DEVICE_PATH) + SIZE_OF_FILEPATH_DEVICE_PATH + BootFilePathSize + END_DEVICE_PATH_LENGTH);\r
\r
// Create the IPv4 Device Path\r
IPv4DevicePathNode->Header.Type = MESSAGING_DEVICE_PATH;\r
SetDevicePathNodeLength (FilePathDevicePath, SIZE_OF_FILEPATH_DEVICE_PATH + BootFilePathSize);\r
CopyMem (FilePathDevicePath->PathName, BootFilePath, BootFilePathSize);\r
\r
- if (BootType != NULL || Attributes != NULL) {\r
- Status = BootDeviceGetType (NULL, BootType, Attributes);\r
- }\r
-\r
- if (EFI_ERROR(Status)) {\r
- FreePool (IPv4DevicePathNode);\r
- } else {\r
- *DevicePathNode = (EFI_DEVICE_PATH_PROTOCOL*)IPv4DevicePathNode;\r
- }\r
+ // Set the End Device Path Node\r
+ SetDevicePathEndNode ((VOID*)((UINTN)FilePathDevicePath + SIZE_OF_FILEPATH_DEVICE_PATH + BootFilePathSize));\r
+ *DevicePathNodes = (EFI_DEVICE_PATH_PROTOCOL*)IPv4DevicePathNode;\r
\r
return Status;\r
}\r
\r
+/**\r
+ Update the parameters of a TFTP boot option\r
+\r
+ The function asks sequentially to update the IPv4 parameters as well as the boot file path,\r
+ providing the previously set value if any.\r
+\r
+ @param[in] OldDevicePath Current complete device path of the Tftp boot option.\r
+ This has to be a valid complete Tftp boot option path.\r
+ By complete, we mean that it is not only the Tftp\r
+ specific end part built by the\r
+ "BdsLoadOptionTftpCreateDevicePath()" function.\r
+ This path is handled as read only.\r
+ @param[in] FileName Description of the file the path is asked for\r
+ @param[out] NewDevicePath Pointer to the new complete device path.\r
+\r
+ @retval EFI_SUCCESS Update completed\r
+ @retval EFI_ABORTED Update aborted by the user\r
+ @retval EFI_OUT_OF_RESOURCES Fail to perform the update due to lack of resource\r
+**/\r
EFI_STATUS\r
BdsLoadOptionTftpUpdateDevicePath (\r
- IN EFI_DEVICE_PATH *OldDevicePath,\r
- IN CHAR16* FileName,\r
- OUT EFI_DEVICE_PATH_PROTOCOL **NewDevicePath,\r
- OUT ARM_BDS_LOADER_TYPE *BootType,\r
- OUT UINT32 *Attributes\r
+ IN EFI_DEVICE_PATH *OldDevicePath,\r
+ IN CHAR16 *FileName,\r
+ OUT EFI_DEVICE_PATH_PROTOCOL **NewDevicePath\r
)\r
{\r
- ASSERT (0);\r
- return EFI_SUCCESS;\r
+ EFI_STATUS Status;\r
+ EFI_DEVICE_PATH *DevicePath;\r
+ EFI_DEVICE_PATH *DevicePathNode;\r
+ UINT8 *Ipv4NodePtr;\r
+ IPv4_DEVICE_PATH Ipv4Node;\r
+ BOOLEAN IsDHCP;\r
+ EFI_IP_ADDRESS OldIp;\r
+ EFI_IP_ADDRESS LocalIp;\r
+ EFI_IP_ADDRESS RemoteIp;\r
+ UINT8 *FileNodePtr;\r
+ CHAR16 BootFilePath[BOOT_DEVICE_FILEPATH_MAX];\r
+ UINTN PathSize;\r
+ UINTN BootFilePathSize;\r
+ FILEPATH_DEVICE_PATH *NewFilePathNode;\r
+\r
+ Ipv4NodePtr = NULL;\r
+\r
+ //\r
+ // Make a copy of the complete device path that is made of :\r
+ // the device path of the device that support the Simple Network protocol\r
+ // followed by an IPv4 node (type IPv4_DEVICE_PATH),\r
+ // followed by a file path node (type FILEPATH_DEVICE_PATH) and ended up\r
+ // by an end node. The IPv6 case is not handled yet.\r
+ //\r
+\r
+ DevicePath = DuplicateDevicePath (OldDevicePath);\r
+ if (DevicePath == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto ErrorExit;\r
+ }\r
+\r
+ //\r
+ // Because of the check done by "BdsLoadOptionTftpIsSupported()" prior to the\r
+ // call to this function, we know that the device path ends with an IPv4 node\r
+ // followed by a file path node and finally an end node. To get the address of\r
+ // the last IPv4 node, we loop over the whole device path, noting down the\r
+ // address of each encountered IPv4 node.\r
+ //\r
+\r
+ for (DevicePathNode = DevicePath;\r
+ !IsDevicePathEnd (DevicePathNode);\r
+ DevicePathNode = NextDevicePathNode (DevicePathNode))\r
+ {\r
+ if (IS_DEVICE_PATH_NODE (DevicePathNode, MESSAGING_DEVICE_PATH, MSG_IPv4_DP)) {\r
+ Ipv4NodePtr = (UINT8*)DevicePathNode;\r
+ }\r
+ }\r
+\r
+ // Copy for alignment of the IPv4 node data\r
+ CopyMem (&Ipv4Node, Ipv4NodePtr, sizeof (IPv4_DEVICE_PATH));\r
+\r
+ Print (L"Get the IP address from DHCP: ");\r
+ Status = GetHIInputBoolean (&IsDHCP);\r
+ if (EFI_ERROR (Status)) {\r
+ goto ErrorExit;\r
+ }\r
+\r
+ if (!IsDHCP) {\r
+ Print (L"Local static IP address: ");\r
+ if (Ipv4Node.StaticIpAddress) {\r
+ // Copy local IPv4 address into IPv4 or IPv6 union\r
+ CopyMem (&OldIp.v4, &Ipv4Node.LocalIpAddress, sizeof (EFI_IPv4_ADDRESS));\r
+\r
+ Status = EditHIInputIP (&OldIp, &LocalIp);\r
+ } else {\r
+ Status = GetHIInputIP (&LocalIp);\r
+ }\r
+ if (EFI_ERROR (Status)) {\r
+ goto ErrorExit;\r
+ }\r
+ }\r
+\r
+ Print (L"TFTP server IP address: ");\r
+ // Copy remote IPv4 address into IPv4 or IPv6 union\r
+ CopyMem (&OldIp.v4, &Ipv4Node.RemoteIpAddress, sizeof (EFI_IPv4_ADDRESS));\r
+\r
+ Status = EditHIInputIP (&OldIp, &RemoteIp);\r
+ if (EFI_ERROR (Status)) {\r
+ goto ErrorExit;\r
+ }\r
+\r
+ // Get the path of the boot file and its size in number of bytes\r
+ FileNodePtr = Ipv4NodePtr + sizeof (IPv4_DEVICE_PATH);\r
+ BootFilePathSize = DevicePathNodeLength (FileNodePtr) - SIZE_OF_FILEPATH_DEVICE_PATH;\r
+\r
+ //\r
+ // Ask for update of the boot file path\r
+ //\r
+ do {\r
+ // Copy for 2-byte alignment of the Unicode string\r
+ CopyMem (\r
+ BootFilePath, FileNodePtr + SIZE_OF_FILEPATH_DEVICE_PATH,\r
+ MIN (BootFilePathSize, BOOT_DEVICE_FILEPATH_MAX)\r
+ );\r
+ BootFilePath[BOOT_DEVICE_FILEPATH_MAX - 1] = L'\0';\r
+\r
+ Print (L"File path of the %s: ", FileName);\r
+ Status = EditHIInputStr (BootFilePath, BOOT_DEVICE_FILEPATH_MAX);\r
+ if (EFI_ERROR (Status)) {\r
+ goto ErrorExit;\r
+ }\r
+ PathSize = StrSize (BootFilePath);\r
+ if (PathSize > 2) {\r
+ break;\r
+ }\r
+ // Empty string, give the user another try\r
+ Print (L"Empty string - Invalid path\n");\r
+ } while (PathSize <= 2) ;\r
+\r
+ //\r
+ // Update the IPv4 node. IPv6 case not handled yet.\r
+ //\r
+ if (IsDHCP == TRUE) {\r
+ Ipv4Node.StaticIpAddress = FALSE;\r
+ } else {\r
+ Ipv4Node.StaticIpAddress = TRUE;\r
+ }\r
+ CopyMem (&Ipv4Node.LocalIpAddress, &LocalIp.v4, sizeof (EFI_IPv4_ADDRESS));\r
+ CopyMem (&Ipv4Node.RemoteIpAddress, &RemoteIp.v4, sizeof (EFI_IPv4_ADDRESS));\r
+ CopyMem (Ipv4NodePtr, &Ipv4Node, sizeof (IPv4_DEVICE_PATH));\r
+\r
+ //\r
+ // Create the new file path node\r
+ //\r
+ NewFilePathNode = (FILEPATH_DEVICE_PATH*)AllocatePool (\r
+ SIZE_OF_FILEPATH_DEVICE_PATH +\r
+ PathSize\r
+ );\r
+ NewFilePathNode->Header.Type = MEDIA_DEVICE_PATH;\r
+ NewFilePathNode->Header.SubType = MEDIA_FILEPATH_DP;\r
+ SetDevicePathNodeLength (\r
+ NewFilePathNode,\r
+ SIZE_OF_FILEPATH_DEVICE_PATH + PathSize\r
+ );\r
+ CopyMem (NewFilePathNode->PathName, BootFilePath, PathSize);\r
+\r
+ //\r
+ // Generate the new Device Path by replacing the file path node at address\r
+ // "FileNodePtr" by the new one "NewFilePathNode" and return its address.\r
+ //\r
+ SetDevicePathEndNode (FileNodePtr);\r
+ *NewDevicePath = AppendDevicePathNode (\r
+ DevicePath,\r
+ (CONST EFI_DEVICE_PATH_PROTOCOL*)NewFilePathNode\r
+ );\r
+\r
+ErrorExit:\r
+ if (DevicePath != NULL) {\r
+ FreePool (DevicePath) ;\r
+ }\r
+\r
+ return Status;\r
}\r
\r
BOOLEAN\r