/** @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
#include "InternalBm.h"\r
\r
-#define VENDOR_IDENTIFICATION_OFFSET 3\r
-#define VENDOR_IDENTIFICATION_LENGTH 8\r
-#define PRODUCT_IDENTIFICATION_OFFSET 11\r
-#define PRODUCT_IDENTIFICATION_LENGTH 16\r
-\r
-CONST UINT16 mBmUsbLangId = 0x0409; // English\r
-CHAR16 mBmUefiPrefix[] = L"UEFI ";\r
+EFI_RAM_DISK_PROTOCOL *mRamDisk = NULL;\r
\r
EFI_BOOT_MANAGER_REFRESH_LEGACY_BOOT_OPTION mBmRefreshLegacyBootOption = NULL;\r
EFI_BOOT_MANAGER_LEGACY_BOOT mBmLegacyBoot = NULL;\r
\r
-LIST_ENTRY mPlatformBootDescriptionHandlers = INITIALIZE_LIST_HEAD_VARIABLE (mPlatformBootDescriptionHandlers);\r
-\r
///\r
/// This GUID is used for an EFI Variable that stores the front device pathes\r
/// for a partial device path that starts with the HD node.\r
}\r
}\r
\r
-/**\r
- For a bootable Device path, return its boot type.\r
-\r
- @param DevicePath The bootable device Path to check\r
-\r
- @retval AcpiFloppyBoot If given device path contains ACPI_DEVICE_PATH type device path node\r
- which HID is floppy device.\r
- @retval MessageAtapiBoot If given device path contains MESSAGING_DEVICE_PATH type device path node\r
- and its last device path node's subtype is MSG_ATAPI_DP.\r
- @retval MessageSataBoot If given device path contains MESSAGING_DEVICE_PATH type device path node\r
- and its last device path node's subtype is MSG_SATA_DP.\r
- @retval MessageScsiBoot If given device path contains MESSAGING_DEVICE_PATH type device path node\r
- and its last device path node's subtype is MSG_SCSI_DP.\r
- @retval MessageUsbBoot If given device path contains MESSAGING_DEVICE_PATH type device path node\r
- and its last device path node's subtype is MSG_USB_DP.\r
- @retval MessageNetworkBoot If given device path contains MESSAGING_DEVICE_PATH type device path node\r
- and its last device path node's subtype is MSG_MAC_ADDR_DP, MSG_VLAN_DP,\r
- MSG_IPv4_DP or MSG_IPv6_DP.\r
- @retval MessageHttpBoot If given device path contains MESSAGING_DEVICE_PATH type device path node\r
- and its last device path node's subtype is MSG_URI_DP.\r
- @retval UnsupportedBoot If tiven device path doesn't match the above condition, it's not supported.\r
-\r
-**/\r
-BM_BOOT_TYPE\r
-BmDevicePathType (\r
- IN EFI_DEVICE_PATH_PROTOCOL *DevicePath\r
- )\r
-{\r
- EFI_DEVICE_PATH_PROTOCOL *Node;\r
- EFI_DEVICE_PATH_PROTOCOL *NextNode;\r
-\r
- ASSERT (DevicePath != NULL);\r
-\r
- for (Node = DevicePath; !IsDevicePathEndType (Node); Node = NextDevicePathNode (Node)) {\r
- switch (DevicePathType (Node)) {\r
-\r
- case ACPI_DEVICE_PATH:\r
- if (EISA_ID_TO_NUM (((ACPI_HID_DEVICE_PATH *) Node)->HID) == 0x0604) {\r
- return BmAcpiFloppyBoot;\r
- }\r
- break;\r
-\r
- case HARDWARE_DEVICE_PATH:\r
- if (DevicePathSubType (Node) == HW_CONTROLLER_DP) {\r
- return BmHardwareDeviceBoot;\r
- }\r
- break;\r
-\r
- case MESSAGING_DEVICE_PATH:\r
- //\r
- // Skip LUN device node\r
- //\r
- NextNode = Node;\r
- do {\r
- NextNode = NextDevicePathNode (NextNode);\r
- } while (\r
- (DevicePathType (NextNode) == MESSAGING_DEVICE_PATH) &&\r
- (DevicePathSubType(NextNode) == MSG_DEVICE_LOGICAL_UNIT_DP)\r
- );\r
-\r
- //\r
- // If the device path not only point to driver device, it is not a messaging device path,\r
- //\r
- if (!IsDevicePathEndType (NextNode)) {\r
- continue;\r
- }\r
-\r
- switch (DevicePathSubType (Node)) {\r
- case MSG_ATAPI_DP:\r
- return BmMessageAtapiBoot;\r
- break;\r
-\r
- case MSG_SATA_DP:\r
- return BmMessageSataBoot;\r
- break;\r
-\r
- case MSG_USB_DP:\r
- return BmMessageUsbBoot;\r
- break;\r
-\r
- case MSG_SCSI_DP:\r
- return BmMessageScsiBoot;\r
- break;\r
-\r
- case MSG_MAC_ADDR_DP:\r
- case MSG_VLAN_DP:\r
- case MSG_IPv4_DP:\r
- case MSG_IPv6_DP:\r
- return BmMessageNetworkBoot;\r
- break;\r
-\r
- case MSG_URI_DP:\r
- return BmMessageHttpBoot;\r
- break;\r
- }\r
- }\r
- }\r
-\r
- return BmMiscBoot;\r
-}\r
-\r
/**\r
Find the boot option in the NV storage and return the option number.\r
\r
return TRUE;\r
}\r
\r
-/**\r
- Eliminate the extra spaces in the Str to one space.\r
-\r
- @param Str Input string info.\r
-**/\r
-VOID\r
-BmEliminateExtraSpaces (\r
- IN CHAR16 *Str\r
- )\r
-{\r
- UINTN Index;\r
- UINTN ActualIndex;\r
-\r
- for (Index = 0, ActualIndex = 0; Str[Index] != L'\0'; Index++) {\r
- if ((Str[Index] != L' ') || ((ActualIndex > 0) && (Str[ActualIndex - 1] != L' '))) {\r
- Str[ActualIndex++] = Str[Index];\r
- }\r
- }\r
- Str[ActualIndex] = L'\0';\r
-}\r
-\r
-/**\r
- Try to get the controller's ATA/ATAPI description.\r
-\r
- @param Handle Controller handle.\r
-\r
- @return The description string.\r
-**/\r
-CHAR16 *\r
-BmGetDescriptionFromDiskInfo (\r
- IN EFI_HANDLE Handle\r
- )\r
-{\r
- UINTN Index;\r
- EFI_STATUS Status;\r
- EFI_DISK_INFO_PROTOCOL *DiskInfo;\r
- UINT32 BufferSize;\r
- EFI_ATAPI_IDENTIFY_DATA IdentifyData;\r
- EFI_SCSI_INQUIRY_DATA InquiryData;\r
- CHAR16 *Description;\r
- UINTN Length;\r
- CONST UINTN ModelNameLength = 40;\r
- CONST UINTN SerialNumberLength = 20;\r
- CHAR8 *StrPtr;\r
- UINT8 Temp;\r
-\r
- Description = NULL;\r
-\r
- Status = gBS->HandleProtocol (\r
- Handle,\r
- &gEfiDiskInfoProtocolGuid,\r
- (VOID **) &DiskInfo\r
- );\r
- if (EFI_ERROR (Status)) {\r
- return NULL;\r
- }\r
-\r
- if (CompareGuid (&DiskInfo->Interface, &gEfiDiskInfoAhciInterfaceGuid) || \r
- CompareGuid (&DiskInfo->Interface, &gEfiDiskInfoIdeInterfaceGuid)) {\r
- BufferSize = sizeof (EFI_ATAPI_IDENTIFY_DATA);\r
- Status = DiskInfo->Identify (\r
- DiskInfo,\r
- &IdentifyData,\r
- &BufferSize\r
- );\r
- if (!EFI_ERROR (Status)) {\r
- Description = AllocateZeroPool ((ModelNameLength + SerialNumberLength + 2) * sizeof (CHAR16));\r
- ASSERT (Description != NULL);\r
- for (Index = 0; Index + 1 < ModelNameLength; Index += 2) {\r
- Description[Index] = (CHAR16) IdentifyData.ModelName[Index + 1];\r
- Description[Index + 1] = (CHAR16) IdentifyData.ModelName[Index];\r
- }\r
-\r
- Length = Index;\r
- Description[Length++] = L' ';\r
-\r
- for (Index = 0; Index + 1 < SerialNumberLength; Index += 2) {\r
- Description[Length + Index] = (CHAR16) IdentifyData.SerialNo[Index + 1];\r
- Description[Length + Index + 1] = (CHAR16) IdentifyData.SerialNo[Index];\r
- }\r
- Length += Index;\r
- Description[Length++] = L'\0';\r
- ASSERT (Length == ModelNameLength + SerialNumberLength + 2);\r
-\r
- BmEliminateExtraSpaces (Description);\r
- }\r
- } else if (CompareGuid (&DiskInfo->Interface, &gEfiDiskInfoScsiInterfaceGuid)) {\r
- BufferSize = sizeof (EFI_SCSI_INQUIRY_DATA);\r
- Status = DiskInfo->Inquiry (\r
- DiskInfo,\r
- &InquiryData,\r
- &BufferSize\r
- );\r
- if (!EFI_ERROR (Status)) {\r
- Description = AllocateZeroPool ((VENDOR_IDENTIFICATION_LENGTH + PRODUCT_IDENTIFICATION_LENGTH + 2) * sizeof (CHAR16));\r
- ASSERT (Description != NULL);\r
-\r
- //\r
- // Per SCSI spec, EFI_SCSI_INQUIRY_DATA.Reserved_5_95[3 - 10] save the Verdor identification\r
- // EFI_SCSI_INQUIRY_DATA.Reserved_5_95[11 - 26] save the product identification, \r
- // Here combine the vendor identification and product identification to the description.\r
- //\r
- StrPtr = (CHAR8 *) (&InquiryData.Reserved_5_95[VENDOR_IDENTIFICATION_OFFSET]);\r
- Temp = StrPtr[VENDOR_IDENTIFICATION_LENGTH];\r
- StrPtr[VENDOR_IDENTIFICATION_LENGTH] = '\0';\r
- AsciiStrToUnicodeStr (StrPtr, Description);\r
- StrPtr[VENDOR_IDENTIFICATION_LENGTH] = Temp;\r
-\r
- //\r
- // Add one space at the middle of vendor information and product information.\r
- //\r
- Description[VENDOR_IDENTIFICATION_LENGTH] = L' ';\r
-\r
- StrPtr = (CHAR8 *) (&InquiryData.Reserved_5_95[PRODUCT_IDENTIFICATION_OFFSET]);\r
- StrPtr[PRODUCT_IDENTIFICATION_LENGTH] = '\0';\r
- AsciiStrToUnicodeStr (StrPtr, Description + VENDOR_IDENTIFICATION_LENGTH + 1);\r
-\r
- BmEliminateExtraSpaces (Description);\r
- }\r
- }\r
-\r
- return Description;\r
-}\r
-\r
-/**\r
- Try to get the controller's USB description.\r
-\r
- @param Handle Controller handle.\r
-\r
- @return The description string.\r
-**/\r
-CHAR16 *\r
-BmGetUsbDescription (\r
- IN EFI_HANDLE Handle\r
- )\r
-{\r
- EFI_STATUS Status;\r
- EFI_USB_IO_PROTOCOL *UsbIo;\r
- CHAR16 NullChar;\r
- CHAR16 *Manufacturer;\r
- CHAR16 *Product;\r
- CHAR16 *SerialNumber;\r
- CHAR16 *Description;\r
- EFI_USB_DEVICE_DESCRIPTOR DevDesc;\r
- UINTN DescMaxSize;\r
-\r
- Status = gBS->HandleProtocol (\r
- Handle,\r
- &gEfiUsbIoProtocolGuid,\r
- (VOID **) &UsbIo\r
- );\r
- if (EFI_ERROR (Status)) {\r
- return NULL;\r
- }\r
-\r
- NullChar = L'\0';\r
-\r
- Status = UsbIo->UsbGetDeviceDescriptor (UsbIo, &DevDesc);\r
- if (EFI_ERROR (Status)) {\r
- return NULL;\r
- }\r
-\r
- Status = UsbIo->UsbGetStringDescriptor (\r
- UsbIo,\r
- mBmUsbLangId,\r
- DevDesc.StrManufacturer,\r
- &Manufacturer\r
- );\r
- if (EFI_ERROR (Status)) {\r
- Manufacturer = &NullChar;\r
- }\r
- \r
- Status = UsbIo->UsbGetStringDescriptor (\r
- UsbIo,\r
- mBmUsbLangId,\r
- DevDesc.StrProduct,\r
- &Product\r
- );\r
- if (EFI_ERROR (Status)) {\r
- Product = &NullChar;\r
- }\r
- \r
- Status = UsbIo->UsbGetStringDescriptor (\r
- UsbIo,\r
- mBmUsbLangId,\r
- DevDesc.StrSerialNumber,\r
- &SerialNumber\r
- );\r
- if (EFI_ERROR (Status)) {\r
- SerialNumber = &NullChar;\r
- }\r
-\r
- if ((Manufacturer == &NullChar) &&\r
- (Product == &NullChar) &&\r
- (SerialNumber == &NullChar)\r
- ) {\r
- return NULL;\r
- }\r
-\r
- DescMaxSize = StrSize (Manufacturer) + StrSize (Product) + StrSize (SerialNumber);\r
- Description = AllocateZeroPool (DescMaxSize);\r
- ASSERT (Description != NULL);\r
- StrCatS (Description, DescMaxSize/sizeof(CHAR16), Manufacturer);\r
- StrCatS (Description, DescMaxSize/sizeof(CHAR16), L" ");\r
-\r
- StrCatS (Description, DescMaxSize/sizeof(CHAR16), Product); \r
- StrCatS (Description, DescMaxSize/sizeof(CHAR16), L" ");\r
-\r
- StrCatS (Description, DescMaxSize/sizeof(CHAR16), SerialNumber);\r
-\r
- if (Manufacturer != &NullChar) {\r
- FreePool (Manufacturer);\r
- }\r
- if (Product != &NullChar) {\r
- FreePool (Product);\r
- }\r
- if (SerialNumber != &NullChar) {\r
- FreePool (SerialNumber);\r
- }\r
-\r
- BmEliminateExtraSpaces (Description);\r
-\r
- return Description;\r
-}\r
-\r
-/**\r
- Return the boot description for the controller based on the type.\r
-\r
- @param Handle Controller handle.\r
-\r
- @return The description string.\r
-**/\r
-CHAR16 *\r
-BmGetMiscDescription (\r
- IN EFI_HANDLE Handle\r
- )\r
-{\r
- EFI_STATUS Status;\r
- CHAR16 *Description;\r
- EFI_BLOCK_IO_PROTOCOL *BlockIo;\r
- EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *Fs;\r
-\r
- switch (BmDevicePathType (DevicePathFromHandle (Handle))) {\r
- case BmAcpiFloppyBoot:\r
- Description = L"Floppy";\r
- break;\r
-\r
- case BmMessageAtapiBoot:\r
- case BmMessageSataBoot:\r
- Status = gBS->HandleProtocol (Handle, &gEfiBlockIoProtocolGuid, (VOID **) &BlockIo);\r
- ASSERT_EFI_ERROR (Status);\r
- //\r
- // Assume a removable SATA device should be the DVD/CD device\r
- //\r
- Description = BlockIo->Media->RemovableMedia ? L"DVD/CDROM" : L"Hard Drive";\r
- break;\r
-\r
- case BmMessageUsbBoot:\r
- Description = L"USB Device";\r
- break;\r
-\r
- case BmMessageScsiBoot:\r
- Description = L"SCSI Device";\r
- break;\r
-\r
- case BmHardwareDeviceBoot:\r
- Status = gBS->HandleProtocol (Handle, &gEfiBlockIoProtocolGuid, (VOID **) &BlockIo);\r
- if (!EFI_ERROR (Status)) {\r
- Description = BlockIo->Media->RemovableMedia ? L"Removable Disk" : L"Hard Drive";\r
- } else {\r
- Description = L"Misc Device";\r
- }\r
- break;\r
-\r
- case BmMessageNetworkBoot:\r
- Description = L"Network";\r
- break;\r
-\r
- case BmMessageHttpBoot:\r
- Description = L"Http";\r
- break;\r
-\r
- default:\r
- Status = gBS->HandleProtocol (Handle, &gEfiSimpleFileSystemProtocolGuid, (VOID **) &Fs);\r
- if (!EFI_ERROR (Status)) {\r
- Description = L"Non-Block Boot Device";\r
- } else {\r
- Description = L"Misc Device";\r
- }\r
- break;\r
- }\r
-\r
- return AllocateCopyPool (StrSize (Description), Description);\r
-}\r
-\r
-/**\r
- Register the platform provided boot description handler.\r
-\r
- @param Handler The platform provided boot description handler\r
-\r
- @retval EFI_SUCCESS The handler was registered successfully.\r
- @retval EFI_ALREADY_STARTED The handler was already registered.\r
- @retval EFI_OUT_OF_RESOURCES There is not enough resource to perform the registration.\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-EfiBootManagerRegisterBootDescriptionHandler (\r
- IN EFI_BOOT_MANAGER_BOOT_DESCRIPTION_HANDLER Handler\r
- )\r
-{\r
- LIST_ENTRY *Link;\r
- BM_BOOT_DESCRIPTION_ENTRY *Entry;\r
-\r
- for ( Link = GetFirstNode (&mPlatformBootDescriptionHandlers)\r
- ; !IsNull (&mPlatformBootDescriptionHandlers, Link)\r
- ; Link = GetNextNode (&mPlatformBootDescriptionHandlers, Link)\r
- ) {\r
- Entry = CR (Link, BM_BOOT_DESCRIPTION_ENTRY, Link, BM_BOOT_DESCRIPTION_ENTRY_SIGNATURE);\r
- if (Entry->Handler == Handler) {\r
- return EFI_ALREADY_STARTED;\r
- }\r
- }\r
-\r
- Entry = AllocatePool (sizeof (BM_BOOT_DESCRIPTION_ENTRY));\r
- if (Entry == NULL) {\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
-\r
- Entry->Signature = BM_BOOT_DESCRIPTION_ENTRY_SIGNATURE;\r
- Entry->Handler = Handler;\r
- InsertTailList (&mPlatformBootDescriptionHandlers, &Entry->Link);\r
- return EFI_SUCCESS;\r
-}\r
-\r
-BM_GET_BOOT_DESCRIPTION mBmBootDescriptionHandlers[] = {\r
- BmGetUsbDescription,\r
- BmGetDescriptionFromDiskInfo,\r
- BmGetMiscDescription\r
-};\r
-\r
-/**\r
- Return the boot description for the controller.\r
-\r
- @param Handle Controller handle.\r
-\r
- @return The description string.\r
-**/\r
-CHAR16 *\r
-BmGetBootDescription (\r
- IN EFI_HANDLE Handle\r
- )\r
-{\r
- LIST_ENTRY *Link;\r
- BM_BOOT_DESCRIPTION_ENTRY *Entry;\r
- CHAR16 *Description;\r
- CHAR16 *DefaultDescription;\r
- CHAR16 *Temp;\r
- UINTN Index;\r
-\r
- //\r
- // Firstly get the default boot description\r
- //\r
- DefaultDescription = NULL;\r
- for (Index = 0; Index < sizeof (mBmBootDescriptionHandlers) / sizeof (mBmBootDescriptionHandlers[0]); Index++) {\r
- DefaultDescription = mBmBootDescriptionHandlers[Index] (Handle);\r
- if (DefaultDescription != NULL) {\r
- //\r
- // Avoid description confusion between UEFI & Legacy boot option by adding "UEFI " prefix\r
- // ONLY for core provided boot description handler.\r
- //\r
- Temp = AllocatePool (StrSize (DefaultDescription) + sizeof (mBmUefiPrefix)); \r
- ASSERT (Temp != NULL);\r
- StrCpyS ( Temp, \r
- (StrSize (DefaultDescription) + sizeof (mBmUefiPrefix))/sizeof(CHAR16), \r
- mBmUefiPrefix\r
- );\r
- StrCatS ( Temp, \r
- (StrSize (DefaultDescription) + sizeof (mBmUefiPrefix))/sizeof(CHAR16), \r
- DefaultDescription\r
- );\r
- FreePool (DefaultDescription);\r
- DefaultDescription = Temp;\r
- break;\r
- }\r
- }\r
- ASSERT (DefaultDescription != NULL);\r
-\r
- //\r
- // Secondly query platform for the better boot description\r
- //\r
- for ( Link = GetFirstNode (&mPlatformBootDescriptionHandlers)\r
- ; !IsNull (&mPlatformBootDescriptionHandlers, Link)\r
- ; Link = GetNextNode (&mPlatformBootDescriptionHandlers, Link)\r
- ) {\r
- Entry = CR (Link, BM_BOOT_DESCRIPTION_ENTRY, Link, BM_BOOT_DESCRIPTION_ENTRY_SIGNATURE);\r
- Description = Entry->Handler (Handle, DefaultDescription);\r
- if (Description != NULL) {\r
- FreePool (DefaultDescription);\r
- return Description;\r
- }\r
- }\r
-\r
- return DefaultDescription;\r
-}\r
-\r
/**\r
Check whether a USB device match the specified USB WWID device path. This\r
function follows "Load Option Processing" behavior in UEFI specification.\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
UINTN Index;\r
UINTN HandleCount;\r
EFI_HANDLE *Handles;\r
- EFI_LOAD_FILE_PROTOCOL *LoadFile;\r
VOID *FileBuffer;\r
\r
EfiBootManagerConnectAll ();\r
}\r
\r
FileBuffer = NULL;\r
-\r
for (Index = 0; Index < HandleCount; Index++) {\r
- Status = gBS->HandleProtocol (Handles[Index], &gEfiLoadFileProtocolGuid, (VOID *) &LoadFile);\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- FileBuffer = NULL;\r
- Status = LoadFile->LoadFile (LoadFile, FilePath, TRUE, FileSize, FileBuffer);\r
- if (Status == EFI_BUFFER_TOO_SMALL) {\r
- FileBuffer = AllocatePool (*FileSize);\r
- if (FileBuffer == NULL) {\r
- break;\r
- }\r
- Status = LoadFile->LoadFile (LoadFile, FilePath, TRUE, FileSize, FileBuffer);\r
- }\r
-\r
- if (!EFI_ERROR (Status)) {\r
- //\r
- // LoadFile() returns a file buffer mapping to a file system.\r
- //\r
- if (Status == EFI_WARN_FILE_SYSTEM) {\r
- return BmGetFileBufferFromLoadFileFileSystem (Handles[Index], FullPath, FileSize);\r
- }\r
-\r
- ASSERT (Status == EFI_SUCCESS);\r
- *FullPath = DuplicateDevicePath (DevicePathFromHandle (Handles[Index]));\r
- break;\r
- }\r
-\r
+ FileBuffer = BmGetFileBufferFromLoadFile (Handles[Index], FilePath, FullPath, FileSize);\r
if (FileBuffer != NULL) {\r
- FreePool (FileBuffer);\r
+ break;\r
}\r
}\r
\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
@param LoadFileHandle The handle of LoadFile instance.\r
@param FullPath Return the full device path pointing to the load option.\r
@param FileSize Return the size of the load option.\r
+ @param RamDiskHandle Return the RAM Disk handle.\r
\r
@return The load option buffer.\r
**/\r
VOID *\r
-BmGetFileBufferFromLoadFileFileSystem (\r
+BmGetFileBufferFromLoadFileSystem (\r
IN EFI_HANDLE LoadFileHandle,\r
OUT EFI_DEVICE_PATH_PROTOCOL **FullPath,\r
- OUT UINTN *FileSize\r
+ OUT UINTN *FileSize,\r
+ OUT EFI_HANDLE *RamDiskHandle\r
)\r
{\r
EFI_STATUS Status;\r
FreePool (Handles);\r
}\r
\r
- if (Index != HandleCount) {\r
+ if (Index == HandleCount) {\r
+ Handle = NULL;\r
+ }\r
+\r
+ *RamDiskHandle = Handle;\r
+\r
+ if (Handle != NULL) {\r
return BmExpandMediaDevicePath (DevicePathFromHandle (Handle), FullPath, FileSize);\r
} else {\r
return NULL;\r
}\r
}\r
\r
+\r
+/**\r
+ Return the RAM Disk device path created by LoadFile.\r
+\r
+ @param FilePath The source file path.\r
+\r
+ @return Callee-to-free RAM Disk device path\r
+**/\r
+EFI_DEVICE_PATH_PROTOCOL *\r
+BmGetRamDiskDevicePath (\r
+ IN EFI_DEVICE_PATH_PROTOCOL *FilePath\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_DEVICE_PATH_PROTOCOL *RamDiskDevicePath;\r
+ EFI_DEVICE_PATH_PROTOCOL *Node;\r
+ EFI_HANDLE Handle;\r
+\r
+ Node = FilePath;\r
+ Status = gBS->LocateDevicePath (&gEfiLoadFileProtocolGuid, &Node, &Handle);\r
+ if (!EFI_ERROR (Status) &&\r
+ (DevicePathType (Node) == MEDIA_DEVICE_PATH) &&\r
+ (DevicePathSubType (Node) == MEDIA_RAM_DISK_DP)\r
+ ) {\r
+\r
+ //\r
+ // Construct the device path pointing to RAM Disk\r
+ //\r
+ Node = NextDevicePathNode (Node);\r
+ RamDiskDevicePath = DuplicateDevicePath (FilePath);\r
+ ASSERT (RamDiskDevicePath != NULL);\r
+ SetDevicePathEndNode ((VOID *) ((UINTN) RamDiskDevicePath + ((UINTN) Node - (UINTN) FilePath)));\r
+ return RamDiskDevicePath;\r
+ }\r
+\r
+ return NULL;\r
+}\r
+\r
+/**\r
+ Return the buffer and buffer size occupied by the RAM Disk.\r
+\r
+ @param RamDiskDevicePath RAM Disk device path.\r
+ @param RamDiskSizeInPages Return RAM Disk size in pages.\r
+\r
+ @retval RAM Disk buffer.\r
+**/\r
+VOID *\r
+BmGetRamDiskMemoryInfo (\r
+ IN EFI_DEVICE_PATH_PROTOCOL *RamDiskDevicePath,\r
+ OUT UINTN *RamDiskSizeInPages\r
+ )\r
+{\r
+\r
+ EFI_STATUS Status;\r
+ EFI_HANDLE Handle;\r
+ UINT64 StartingAddr;\r
+ UINT64 EndingAddr;\r
+\r
+ ASSERT (RamDiskDevicePath != NULL);\r
+\r
+ *RamDiskSizeInPages = 0;\r
+\r
+ //\r
+ // Get the buffer occupied by RAM Disk.\r
+ //\r
+ Status = gBS->LocateDevicePath (&gEfiLoadFileProtocolGuid, &RamDiskDevicePath, &Handle);\r
+ ASSERT_EFI_ERROR (Status);\r
+ ASSERT ((DevicePathType (RamDiskDevicePath) == MEDIA_DEVICE_PATH) &&\r
+ (DevicePathSubType (RamDiskDevicePath) == MEDIA_RAM_DISK_DP));\r
+ StartingAddr = ReadUnaligned64 ((UINT64 *) ((MEDIA_RAM_DISK_DEVICE_PATH *) RamDiskDevicePath)->StartingAddr);\r
+ EndingAddr = ReadUnaligned64 ((UINT64 *) ((MEDIA_RAM_DISK_DEVICE_PATH *) RamDiskDevicePath)->EndingAddr);\r
+ *RamDiskSizeInPages = EFI_SIZE_TO_PAGES ((UINTN) (EndingAddr - StartingAddr + 1));\r
+ return (VOID *) (UINTN) StartingAddr;\r
+}\r
+\r
+/**\r
+ Destroy the RAM Disk.\r
+\r
+ The destroy operation includes to call RamDisk.Unregister to\r
+ unregister the RAM DISK from RAM DISK driver, free the memory\r
+ allocated for the RAM Disk.\r
+\r
+ @param RamDiskDevicePath RAM Disk device path.\r
+**/\r
+VOID\r
+BmDestroyRamDisk (\r
+ IN EFI_DEVICE_PATH_PROTOCOL *RamDiskDevicePath\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ VOID *RamDiskBuffer;\r
+ UINTN RamDiskSizeInPages;\r
+\r
+ ASSERT (RamDiskDevicePath != NULL);\r
+\r
+ RamDiskBuffer = BmGetRamDiskMemoryInfo (RamDiskDevicePath, &RamDiskSizeInPages);\r
+\r
+ //\r
+ // Destroy RAM Disk.\r
+ //\r
+ if (mRamDisk == NULL) {\r
+ Status = gBS->LocateProtocol (&gEfiRamDiskProtocolGuid, NULL, (VOID *) &mRamDisk);\r
+ ASSERT_EFI_ERROR (Status);\r
+ }\r
+ Status = mRamDisk->Unregister (RamDiskDevicePath);\r
+ ASSERT_EFI_ERROR (Status);\r
+ FreePages (RamDiskBuffer, RamDiskSizeInPages);\r
+}\r
+\r
+/**\r
+ Get the file buffer from the specified Load File instance.\r
+\r
+ @param LoadFileHandle The specified Load File instance.\r
+ @param FilePath The file path which will pass to LoadFile().\r
+ @param FullPath Return the full device path pointing to the load option.\r
+ @param FileSize Return the size of the load option.\r
+\r
+ @return The load option buffer or NULL if fails.\r
+**/\r
+VOID *\r
+BmGetFileBufferFromLoadFile (\r
+ IN EFI_HANDLE LoadFileHandle,\r
+ IN EFI_DEVICE_PATH_PROTOCOL *FilePath,\r
+ OUT EFI_DEVICE_PATH_PROTOCOL **FullPath,\r
+ OUT UINTN *FileSize\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_LOAD_FILE_PROTOCOL *LoadFile;\r
+ VOID *FileBuffer;\r
+ BOOLEAN LoadFileSystem;\r
+ EFI_HANDLE RamDiskHandle;\r
+ UINTN BufferSize;\r
+\r
+ *FileSize = 0;\r
+\r
+ Status = gBS->OpenProtocol (\r
+ LoadFileHandle,\r
+ &gEfiLoadFileProtocolGuid,\r
+ (VOID **) &LoadFile,\r
+ gImageHandle,\r
+ NULL,\r
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+ FileBuffer = NULL;\r
+ BufferSize = 0;\r
+ Status = LoadFile->LoadFile (LoadFile, FilePath, TRUE, &BufferSize, FileBuffer);\r
+ if ((Status != EFI_WARN_FILE_SYSTEM) && (Status != EFI_BUFFER_TOO_SMALL)) {\r
+ return NULL;\r
+ }\r
+\r
+ LoadFileSystem = (BOOLEAN) (Status == EFI_WARN_FILE_SYSTEM);\r
+ FileBuffer = LoadFileSystem ? AllocateReservedPages (EFI_SIZE_TO_PAGES (BufferSize)) : AllocatePool (BufferSize);\r
+ if (FileBuffer == NULL) {\r
+ return NULL;\r
+ }\r
+\r
+ Status = LoadFile->LoadFile (LoadFile, FilePath, TRUE, &BufferSize, FileBuffer);\r
+ if (EFI_ERROR (Status)) {\r
+ if (LoadFileSystem) {\r
+ FreePages (FileBuffer, EFI_SIZE_TO_PAGES (BufferSize));\r
+ } else {\r
+ FreePool (FileBuffer);\r
+ }\r
+ return NULL;\r
+ }\r
+\r
+ if (LoadFileSystem) {\r
+ FileBuffer = BmGetFileBufferFromLoadFileSystem (LoadFileHandle, FullPath, FileSize, &RamDiskHandle);\r
+ if (FileBuffer == NULL) {\r
+ //\r
+ // If there is no bootable executable in the populated\r
+ //\r
+ BmDestroyRamDisk (DevicePathFromHandle (RamDiskHandle));\r
+ }\r
+ } else {\r
+ *FileSize = BufferSize;\r
+ *FullPath = DuplicateDevicePath (DevicePathFromHandle (LoadFileHandle));\r
+ }\r
+\r
+ return FileBuffer;\r
+}\r
+\r
/**\r
- Get the file buffer from Load File instance.\r
+ Get the file buffer from all the Load File instances.\r
\r
@param FilePath The media device path pointing to a LoadFile instance.\r
@param FullPath Return the full device path pointing to the load option.\r
@return The load option buffer.\r
**/\r
VOID *\r
-BmGetFileBufferFromLoadFile (\r
+BmGetFileBufferFromLoadFiles (\r
IN EFI_DEVICE_PATH_PROTOCOL *FilePath,\r
OUT EFI_DEVICE_PATH_PROTOCOL **FullPath,\r
OUT UINTN *FileSize\r
{\r
EFI_STATUS Status;\r
EFI_HANDLE Handle;\r
- VOID *FileBuffer;\r
EFI_HANDLE *Handles;\r
UINTN HandleCount;\r
UINTN Index;\r
EFI_DEVICE_PATH_PROTOCOL *Node;\r
- EFI_LOAD_FILE_PROTOCOL *LoadFile;\r
- UINTN BufferSize;\r
\r
//\r
// Get file buffer from load file instance.\r
return NULL;\r
}\r
\r
- Status = gBS->HandleProtocol (Handle, &gEfiLoadFileProtocolGuid, (VOID **) &LoadFile);\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- BufferSize = 0;\r
- FileBuffer = NULL;\r
- Status = LoadFile->LoadFile (LoadFile, FilePath, TRUE, &BufferSize, FileBuffer);\r
- if (Status == EFI_BUFFER_TOO_SMALL) {\r
- FileBuffer = AllocatePool (BufferSize);\r
- if (FileBuffer != NULL) {\r
- Status = EFI_SUCCESS;\r
- }\r
- }\r
-\r
- if (!EFI_ERROR (Status)) {\r
- Status = LoadFile->LoadFile (LoadFile, FilePath, TRUE, &BufferSize, FileBuffer);\r
- }\r
-\r
- if (!EFI_ERROR (Status)) {\r
- //\r
- // LoadFile() returns a file buffer mapping to a file system.\r
- //\r
- if (Status == EFI_WARN_FILE_SYSTEM) {\r
- return BmGetFileBufferFromLoadFileFileSystem (Handle, FullPath, FileSize);\r
- }\r
-\r
- ASSERT (Status == EFI_SUCCESS);\r
- //\r
- // LoadFile () may cause the device path of the Handle be updated.\r
- //\r
- *FullPath = DuplicateDevicePath (DevicePathFromHandle (Handle));\r
- *FileSize = BufferSize;\r
- return FileBuffer;\r
- } else {\r
- return NULL;\r
- }\r
+ return BmGetFileBufferFromLoadFile (Handle, FilePath, FullPath, FileSize);\r
}\r
\r
/**\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 FileBuffer;\r
}\r
\r
- return BmGetFileBufferFromLoadFile (FilePath, FullPath, 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
UINTN OptionNumber;\r
UINTN OriginalOptionNumber;\r
EFI_DEVICE_PATH_PROTOCOL *FilePath;\r
- EFI_DEVICE_PATH_PROTOCOL *Node;\r
- EFI_HANDLE FvHandle;\r
+ EFI_DEVICE_PATH_PROTOCOL *RamDiskDevicePath;\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
- ImageHandle = NULL;\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
DEBUG_CODE (\r
if (FileBuffer != NULL && CompareMem (BootOption->FilePath, FilePath, GetDevicePathSize (FilePath)) != 0) {\r
DEBUG ((EFI_D_INFO, "[Bds] DevicePath expand: "));\r
(EFI_SOFTWARE_DXE_BS_DRIVER | EFI_SW_DXE_BS_EC_BOOT_OPTION_LOAD_ERROR)\r
);\r
BootOption->Status = Status;\r
+ //\r
+ // Destroy the RAM disk\r
+ //\r
+ if (RamDiskDevicePath != NULL) {\r
+ BmDestroyRamDisk (RamDiskDevicePath);\r
+ FreePool (RamDiskDevicePath);\r
+ }\r
return;\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
PERF_END_EX (gImageHandle, "BdsAttempt", NULL, 0, (UINT32) OptionNumber);\r
\r
+ //\r
+ // Destroy the RAM disk\r
+ //\r
+ if (RamDiskDevicePath != NULL) {\r
+ BmDestroyRamDisk (RamDiskDevicePath);\r
+ FreePool (RamDiskDevicePath);\r
+ }\r
+\r
//\r
// Clear the Watchdog Timer after the image returns\r
//\r
);\r
}\r
\r
-/**\r
- Enumerate all boot option descriptions and append " 2"/" 3"/... to make\r
- unique description.\r
-\r
- @param BootOptions Array of boot options.\r
- @param BootOptionCount Count of boot options.\r
-**/\r
-VOID\r
-BmMakeBootOptionDescriptionUnique (\r
- EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions,\r
- UINTN BootOptionCount\r
- )\r
-{\r
- UINTN Base;\r
- UINTN Index;\r
- UINTN DescriptionSize;\r
- UINTN MaxSuffixSize;\r
- BOOLEAN *Visited;\r
- UINTN MatchCount;\r
-\r
- if (BootOptionCount == 0) {\r
- return;\r
- }\r
-\r
- //\r
- // Calculate the maximum buffer size for the number suffix.\r
- // The initial sizeof (CHAR16) is for the blank space before the number.\r
- //\r
- MaxSuffixSize = sizeof (CHAR16);\r
- for (Index = BootOptionCount; Index != 0; Index = Index / 10) {\r
- MaxSuffixSize += sizeof (CHAR16);\r
- }\r
-\r
- Visited = AllocateZeroPool (sizeof (BOOLEAN) * BootOptionCount);\r
- ASSERT (Visited != NULL);\r
-\r
- for (Base = 0; Base < BootOptionCount; Base++) {\r
- if (!Visited[Base]) {\r
- MatchCount = 1;\r
- Visited[Base] = TRUE;\r
- DescriptionSize = StrSize (BootOptions[Base].Description);\r
- for (Index = Base + 1; Index < BootOptionCount; Index++) {\r
- if (!Visited[Index] && StrCmp (BootOptions[Base].Description, BootOptions[Index].Description) == 0) {\r
- Visited[Index] = TRUE;\r
- MatchCount++;\r
- FreePool (BootOptions[Index].Description);\r
- BootOptions[Index].Description = AllocatePool (DescriptionSize + MaxSuffixSize);\r
- UnicodeSPrint (\r
- BootOptions[Index].Description, DescriptionSize + MaxSuffixSize,\r
- L"%s %d",\r
- BootOptions[Base].Description, MatchCount\r
- );\r
- }\r
- }\r
- }\r
- }\r
-\r
- FreePool (Visited);\r
-}\r
-\r
/**\r
Emuerate all possible bootable medias in the following order:\r
1. Removable BlockIo - The boot option only points to the removable media\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
projects / mirror_edk2.git / blobdiff