/** @file\r
Library functions which relates with booting.\r
\r
-Copyright (c) 2011 - 2016, Intel Corporation. All rights reserved.<BR>\r
-(C) Copyright 2015 Hewlett Packard Enterprise Development LP<BR>\r
+Copyright (c) 2011 - 2017, Intel Corporation. All rights reserved.<BR>\r
+(C) Copyright 2015-2016 Hewlett Packard Enterprise Development LP<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
\r
for (Index = 0; (Index < HandleCount) && (FileBuffer == NULL); Index++) {\r
FullDevicePath = AppendDevicePath (DevicePathFromHandle (Handles[Index]), RemainingDevicePath);\r
- FileBuffer = BmGetLoadOptionBuffer (FullDevicePath, FullPath, FileSize);\r
+ FileBuffer = EfiBootManagerGetLoadOptionBuffer (FullDevicePath, FullPath, FileSize);\r
FreePool (FullDevicePath);\r
}\r
\r
Handles = NULL;\r
}\r
\r
+ FileBuffer = NULL;\r
for (Index = 0; Index < HandleCount; Index++) {\r
FileBuffer = BmGetFileBufferFromLoadFile (Handles[Index], FilePath, FullPath, FileSize);\r
if (FileBuffer != NULL) {\r
Status = EfiBootManagerConnectDevicePath (Instance, NULL);\r
if (!EFI_ERROR (Status)) {\r
TempDevicePath = AppendDevicePath (Instance, NextDevicePathNode (FilePath));\r
- FileBuffer = BmGetLoadOptionBuffer (TempDevicePath, FullPath, FileSize);\r
+ FileBuffer = EfiBootManagerGetLoadOptionBuffer (TempDevicePath, FullPath, FileSize);\r
FreePool (TempDevicePath);\r
\r
if (FileBuffer != NULL) {\r
// Find the matched partition device path\r
//\r
TempDevicePath = AppendDevicePath (BlockIoDevicePath, NextDevicePathNode (FilePath));\r
- FileBuffer = BmGetLoadOptionBuffer (TempDevicePath, FullPath, FileSize);\r
+ FileBuffer = EfiBootManagerGetLoadOptionBuffer (TempDevicePath, FullPath, FileSize);\r
FreePool (TempDevicePath);\r
\r
if (FileBuffer != NULL) {\r
return FileBuffer;\r
}\r
\r
+ Status = gBS->LocateDevicePath (&gEfiBlockIoProtocolGuid, &TempDevicePath, &Handle);\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
//\r
- // For device boot option only pointing to the removable device handle, \r
- // should make sure all its children handles (its child partion or media handles) are created and connected. \r
+ // For device boot option only pointing to the removable device handle,\r
+ // should make sure all its children handles (its child partion or media handles)\r
+ // are created and connected.\r
//\r
gBS->ConnectController (Handle, NULL, NULL, TRUE);\r
\r
// returned. After the Block IO protocol is reinstalled, subsequent\r
// Block IO read/write will success.\r
//\r
- Status = gBS->LocateDevicePath (&gEfiBlockIoProtocolGuid, &TempDevicePath, &Handle);\r
- ASSERT_EFI_ERROR (Status);\r
Status = gBS->HandleProtocol (Handle, &gEfiBlockIoProtocolGuid, (VOID **) &BlockIo);\r
ASSERT_EFI_ERROR (Status);\r
Buffer = AllocatePool (BlockIo->Media->BlockSize);\r
@return The load option buffer. Caller is responsible to free the memory.\r
**/\r
VOID *\r
-BmGetLoadOptionBuffer (\r
+EFIAPI\r
+EfiBootManagerGetLoadOptionBuffer (\r
IN EFI_DEVICE_PATH_PROTOCOL *FilePath,\r
OUT EFI_DEVICE_PATH_PROTOCOL **FullPath,\r
OUT UINTN *FileSize\r
return BmGetFileBufferFromLoadFiles (FilePath, FullPath, FileSize);\r
}\r
\r
+/**\r
+ Check if it's a Device Path pointing to BootManagerMenu.\r
+\r
+ @param DevicePath Input device path.\r
+\r
+ @retval TRUE The device path is BootManagerMenu File Device Path.\r
+ @retval FALSE The device path is NOT BootManagerMenu File Device Path.\r
+**/\r
+BOOLEAN\r
+BmIsBootManagerMenuFilePath (\r
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath\r
+)\r
+{\r
+ EFI_HANDLE FvHandle;\r
+ VOID *NameGuid;\r
+ EFI_STATUS Status;\r
+\r
+ Status = gBS->LocateDevicePath (&gEfiFirmwareVolume2ProtocolGuid, &DevicePath, &FvHandle);\r
+ if (!EFI_ERROR (Status)) {\r
+ NameGuid = EfiGetNameGuidFromFwVolDevicePathNode ((CONST MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *) DevicePath);\r
+ if (NameGuid != NULL) {\r
+ return CompareGuid (NameGuid, PcdGetPtr (PcdBootManagerMenuFile));\r
+ }\r
+ }\r
+\r
+ return FALSE;\r
+}\r
+\r
/**\r
Attempt to boot the EFI boot option. This routine sets L"BootCurent" and\r
also signals the EFI ready to boot event. If the device path for the option\r
UINTN OptionNumber;\r
UINTN OriginalOptionNumber;\r
EFI_DEVICE_PATH_PROTOCOL *FilePath;\r
- EFI_DEVICE_PATH_PROTOCOL *Node;\r
EFI_DEVICE_PATH_PROTOCOL *RamDiskDevicePath;\r
- EFI_HANDLE FvHandle;\r
VOID *FileBuffer;\r
UINTN FileSize;\r
EFI_BOOT_LOGO_PROTOCOL *BootLogo;\r
// 3. Signal the EVT_SIGNAL_READY_TO_BOOT event when we are about to load and execute\r
// the boot option.\r
//\r
- Node = BootOption->FilePath;\r
- Status = gBS->LocateDevicePath (&gEfiFirmwareVolume2ProtocolGuid, &Node, &FvHandle);\r
- if (!EFI_ERROR (Status) && CompareGuid (\r
- EfiGetNameGuidFromFwVolDevicePathNode ((CONST MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *) Node),\r
- PcdGetPtr (PcdBootManagerMenuFile)\r
- )) {\r
+ if (BmIsBootManagerMenuFilePath (BootOption->FilePath)) {\r
DEBUG ((EFI_D_INFO, "[Bds] Booting Boot Manager Menu.\n"));\r
BmStopHotkeyService (NULL, NULL);\r
} else {\r
PERF_START_EX (gImageHandle, "BdsAttempt", NULL, 0, (UINT32) OptionNumber);\r
\r
//\r
- // 5. Load EFI boot option to ImageHandle\r
+ // 5. Adjust the different type memory page number just before booting\r
+ // and save the updated info into the variable for next boot to use\r
+ //\r
+ BmSetMemoryTypeInformationVariable (\r
+ (BOOLEAN) ((BootOption->Attributes & LOAD_OPTION_CATEGORY) == LOAD_OPTION_CATEGORY_BOOT)\r
+ );\r
+\r
//\r
+ // 6. Load EFI boot option to ImageHandle\r
+ //\r
+ DEBUG_CODE_BEGIN ();\r
+ if (BootOption->Description == NULL) {\r
+ DEBUG ((DEBUG_INFO | DEBUG_LOAD, "[Bds]Booting from unknown device path\n"));\r
+ } else {\r
+ DEBUG ((DEBUG_INFO | DEBUG_LOAD, "[Bds]Booting %s\n", BootOption->Description));\r
+ }\r
+ DEBUG_CODE_END ();\r
+\r
ImageHandle = NULL;\r
RamDiskDevicePath = NULL;\r
if (DevicePathType (BootOption->FilePath) != BBS_DEVICE_PATH) {\r
Status = EFI_NOT_FOUND;\r
- FileBuffer = BmGetLoadOptionBuffer (BootOption->FilePath, &FilePath, &FileSize);\r
+ FileBuffer = EfiBootManagerGetLoadOptionBuffer (BootOption->FilePath, &FilePath, &FileSize);\r
if (FileBuffer != NULL) {\r
RamDiskDevicePath = BmGetRamDiskDevicePath (FilePath);\r
}\r
}\r
}\r
\r
- //\r
- // 6. Adjust the different type memory page number just before booting\r
- // and save the updated info into the variable for next boot to use\r
- //\r
- BmSetMemoryTypeInformationVariable (\r
- (BOOLEAN) ((BootOption->Attributes & LOAD_OPTION_CATEGORY) == LOAD_OPTION_CATEGORY_BOOT)\r
- );\r
-\r
- DEBUG_CODE_BEGIN();\r
- if (BootOption->Description == NULL) {\r
- DEBUG ((DEBUG_INFO | DEBUG_LOAD, "[Bds]Booting from unknown device path\n"));\r
- } else {\r
- DEBUG ((DEBUG_INFO | DEBUG_LOAD, "[Bds]Booting %s\n", BootOption->Description));\r
- }\r
- DEBUG_CODE_END();\r
-\r
//\r
// Check to see if we should legacy BOOT. If yes then do the legacy boot\r
// Write boot to OS performance data for Legacy boot\r
}\r
\r
//\r
- // Parse load file, assuming UEFI Network boot option\r
+ // Parse load file protocol\r
//\r
gBS->LocateHandleBuffer (\r
ByProtocol,\r
&Handles\r
);\r
for (Index = 0; Index < HandleCount; Index++) {\r
+ //\r
+ // Ignore BootManagerMenu. its boot option will be created by EfiBootManagerGetBootManagerMenu().\r
+ //\r
+ if (BmIsBootManagerMenuFilePath (DevicePathFromHandle (Handles[Index]))) {\r
+ continue;\r
+ }\r
\r
Description = BmGetBootDescription (Handles[Index]);\r
BootOptions = ReallocatePool (\r
// Only check those added by BDS\r
// so that the boot options added by end-user or OS installer won't be deleted\r
//\r
- if (EfiBootManagerFindLoadOption (&NvBootOptions[Index], BootOptions, BootOptionCount) == (UINTN) -1) {\r
+ if (EfiBootManagerFindLoadOption (&NvBootOptions[Index], BootOptions, BootOptionCount) == -1) {\r
Status = EfiBootManagerDeleteLoadOptionVariable (NvBootOptions[Index].OptionNumber, LoadOptionTypeBoot);\r
//\r
// Deleting variable with current variable implementation shouldn't fail.\r
// Add new EFI boot options to NV\r
//\r
for (Index = 0; Index < BootOptionCount; Index++) {\r
- if (EfiBootManagerFindLoadOption (&BootOptions[Index], NvBootOptions, NvBootOptionCount) == (UINTN) -1) {\r
+ if (EfiBootManagerFindLoadOption (&BootOptions[Index], NvBootOptions, NvBootOptionCount) == -1) {\r
EfiBootManagerAddLoadOptionVariable (&BootOptions[Index], (UINTN) -1);\r
//\r
// Try best to add the boot options so continue upon failure.\r
}\r
\r
/**\r
- This function is called to create the boot option for the Boot Manager Menu.\r
+ This function is called to get or create the boot option for the Boot Manager Menu.\r
\r
The Boot Manager Menu is shown after successfully booting a boot option.\r
Assume the BootManagerMenuFile is in the same FV as the module links to this library.\r
@param BootOption Return the boot option of the Boot Manager Menu\r
\r
@retval EFI_SUCCESS Successfully register the Boot Manager Menu.\r
- @retval Status Return status of gRT->SetVariable (). BootOption still points\r
- to the Boot Manager Menu even the Status is not EFI_SUCCESS.\r
+ @retval EFI_NOT_FOUND The Boot Manager Menu cannot be found.\r
+ @retval others Return status of gRT->SetVariable (). BootOption still points\r
+ to the Boot Manager Menu even the Status is not EFI_SUCCESS\r
+ and EFI_NOT_FOUND.\r
**/\r
EFI_STATUS\r
BmRegisterBootManagerMenu (\r
EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;\r
MEDIA_FW_VOL_FILEPATH_DEVICE_PATH FileNode;\r
+ UINTN HandleCount;\r
+ EFI_HANDLE *Handles;\r
+ UINTN Index;\r
+ VOID *Data;\r
+ UINTN DataSize;\r
\r
- Status = GetSectionFromFv (\r
- PcdGetPtr (PcdBootManagerMenuFile),\r
- EFI_SECTION_USER_INTERFACE,\r
- 0,\r
- (VOID **) &Description,\r
- &DescriptionLength\r
- );\r
- if (EFI_ERROR (Status)) {\r
- Description = NULL;\r
+ DevicePath = NULL;\r
+ Description = NULL;\r
+ //\r
+ // Try to find BootManagerMenu from LoadFile protocol\r
+ //\r
+ gBS->LocateHandleBuffer (\r
+ ByProtocol,\r
+ &gEfiLoadFileProtocolGuid,\r
+ NULL,\r
+ &HandleCount,\r
+ &Handles\r
+ );\r
+ for (Index = 0; Index < HandleCount; Index++) {\r
+ if (BmIsBootManagerMenuFilePath (DevicePathFromHandle (Handles[Index]))) {\r
+ DevicePath = DuplicateDevicePath (DevicePathFromHandle (Handles[Index]));\r
+ Description = BmGetBootDescription (Handles[Index]);\r
+ break;\r
+ }\r
+ }\r
+ if (HandleCount != 0) {\r
+ FreePool (Handles);\r
}\r
\r
- EfiInitializeFwVolDevicepathNode (&FileNode, PcdGetPtr (PcdBootManagerMenuFile));\r
- Status = gBS->HandleProtocol (\r
- gImageHandle,\r
- &gEfiLoadedImageProtocolGuid,\r
- (VOID **) &LoadedImage\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
- DevicePath = AppendDevicePathNode (\r
- DevicePathFromHandle (LoadedImage->DeviceHandle),\r
- (EFI_DEVICE_PATH_PROTOCOL *) &FileNode\r
- );\r
- ASSERT (DevicePath != NULL);\r
+ if (DevicePath == NULL) {\r
+ Data = NULL;\r
+ Status = GetSectionFromFv (\r
+ PcdGetPtr (PcdBootManagerMenuFile),\r
+ EFI_SECTION_PE32,\r
+ 0,\r
+ (VOID **) &Data,\r
+ &DataSize\r
+ );\r
+ if (Data != NULL) {\r
+ FreePool (Data);\r
+ }\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((EFI_D_WARN, "[Bds]BootManagerMenu FFS section can not be found, skip its boot option registration\n"));\r
+ return EFI_NOT_FOUND;\r
+ }\r
+\r
+ //\r
+ // Get BootManagerMenu application's description from EFI User Interface Section.\r
+ //\r
+ Status = GetSectionFromFv (\r
+ PcdGetPtr (PcdBootManagerMenuFile),\r
+ EFI_SECTION_USER_INTERFACE,\r
+ 0,\r
+ (VOID **) &Description,\r
+ &DescriptionLength\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ Description = NULL;\r
+ }\r
+\r
+ EfiInitializeFwVolDevicepathNode (&FileNode, PcdGetPtr (PcdBootManagerMenuFile));\r
+ Status = gBS->HandleProtocol (\r
+ gImageHandle,\r
+ &gEfiLoadedImageProtocolGuid,\r
+ (VOID **) &LoadedImage\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
+ DevicePath = AppendDevicePathNode (\r
+ DevicePathFromHandle (LoadedImage->DeviceHandle),\r
+ (EFI_DEVICE_PATH_PROTOCOL *) &FileNode\r
+ );\r
+ ASSERT (DevicePath != NULL);\r
+ }\r
\r
Status = EfiBootManagerInitializeLoadOption (\r
BootOption,\r
/**\r
Return the boot option corresponding to the Boot Manager Menu.\r
It may automatically create one if the boot option hasn't been created yet.\r
- \r
+\r
@param BootOption Return the Boot Manager Menu.\r
\r
@retval EFI_SUCCESS The Boot Manager Menu is successfully returned.\r
- @retval Status Return status of gRT->SetVariable (). BootOption still points\r
- to the Boot Manager Menu even the Status is not EFI_SUCCESS.\r
+ @retval EFI_NOT_FOUND The Boot Manager Menu cannot be found.\r
+ @retval others Return status of gRT->SetVariable (). BootOption still points\r
+ to the Boot Manager Menu even the Status is not EFI_SUCCESS\r
+ and EFI_NOT_FOUND.\r
**/\r
EFI_STATUS\r
EFIAPI\r
UINTN BootOptionCount;\r
EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions;\r
UINTN Index;\r
- EFI_DEVICE_PATH_PROTOCOL *Node;\r
- EFI_HANDLE FvHandle;\r
\r
BootOptions = EfiBootManagerGetLoadOptions (&BootOptionCount, LoadOptionTypeBoot);\r
\r
for (Index = 0; Index < BootOptionCount; Index++) {\r
- Node = BootOptions[Index].FilePath;\r
- Status = gBS->LocateDevicePath (&gEfiFirmwareVolume2ProtocolGuid, &Node, &FvHandle);\r
- if (!EFI_ERROR (Status)) {\r
- if (CompareGuid (\r
- EfiGetNameGuidFromFwVolDevicePathNode ((CONST MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *) Node),\r
- PcdGetPtr (PcdBootManagerMenuFile)\r
- )\r
- ) { \r
+ if (BmIsBootManagerMenuFilePath (BootOptions[Index].FilePath)) {\r
Status = EfiBootManagerInitializeLoadOption (\r
BootOption,\r
BootOptions[Index].OptionNumber,\r
);\r
ASSERT_EFI_ERROR (Status);\r
break;\r
- }\r
}\r
}\r
\r
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