diff options
Diffstat (limited to 'EdkUnixPkg/Library/EdkGenericBdsLib/BdsBoot.c')
| -rw-r--r-- | EdkUnixPkg/Library/EdkGenericBdsLib/BdsBoot.c | 1097 |
1 files changed, 0 insertions, 1097 deletions
diff --git a/EdkUnixPkg/Library/EdkGenericBdsLib/BdsBoot.c b/EdkUnixPkg/Library/EdkGenericBdsLib/BdsBoot.c deleted file mode 100644 index 755c042706..0000000000 --- a/EdkUnixPkg/Library/EdkGenericBdsLib/BdsBoot.c +++ /dev/null @@ -1,1097 +0,0 @@ -/*++
-
-Copyright (c) 2006, Intel Corporation
-All rights reserved. This program and the accompanying materials
-are licensed and made available under the terms and conditions of the BSD License
-which accompanies this distribution. The full text of the license may be found at
-http://opensource.org/licenses/bsd-license.php
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-Module Name:
-
- BdsBoot.c
-
-Abstract:
-
- BDS Lib functions which relate with create or process the boot
- option.
-
---*/
-#include "Performance.h"
-
-BOOLEAN mEnumBootDevice = FALSE;
-
-EFI_STATUS
-BdsLibDoLegacyBoot (
- IN BDS_COMMON_OPTION *Option
- )
-/*++
-
-Routine Description:
-
- Boot the legacy system with the boot option
-
-Arguments:
-
- Option - The legacy boot option which have BBS device path
-
-Returns:
-
- EFI_UNSUPPORTED - There is no legacybios protocol, do not support
- legacy boot.
-
- EFI_STATUS - Return the status of LegacyBios->LegacyBoot ().
-
---*/
-{
- EFI_STATUS Status;
- EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;
-
- Status = gBS->LocateProtocol (&gEfiLegacyBiosProtocolGuid, NULL, - (void **)&LegacyBios);
- if (EFI_ERROR (Status)) {
- //
- // If no LegacyBios protocol we do not support legacy boot
- //
- return EFI_UNSUPPORTED;
- }
- //
- // Notes: if we seperate the int 19, then we don't need to refresh BBS
- //
- BdsRefreshBbsTableForBoot (Option);
-
- //
- // Write boot to OS performance data to a file
- //
- PERF_CODE (
- WriteBootToOsPerformanceData ();
- );
-
-
- DEBUG ((EFI_D_INFO | EFI_D_LOAD, "Legacy Boot: %S\n", Option->Description));
- return LegacyBios->LegacyBoot (
- LegacyBios,
- (BBS_BBS_DEVICE_PATH *) Option->DevicePath,
- Option->LoadOptionsSize,
- Option->LoadOptions
- );
-}
-
-EFI_STATUS
-BdsLibBootViaBootOption (
- IN BDS_COMMON_OPTION * Option,
- IN EFI_DEVICE_PATH_PROTOCOL * DevicePath,
- OUT UINTN *ExitDataSize,
- OUT CHAR16 **ExitData OPTIONAL
- )
-/*++
-
-Routine Description:
-
- Process the boot option follow the EFI 1.1 specification and
- special treat the legacy boot option with BBS_DEVICE_PATH.
-
-Arguments:
-
- Option - The boot option need to be processed
-
- DevicePath - The device path which describe where to load
- the boot image or the legcy BBS device path
- to boot the legacy OS
-
- ExitDataSize - Returned directly from gBS->StartImage ()
-
- ExitData - Returned directly from gBS->StartImage ()
-
-Returns:
-
- EFI_SUCCESS - Status from gBS->StartImage (),
- or BdsBootByDiskSignatureAndPartition ()
-
- EFI_NOT_FOUND - If the Device Path is not found in the system
-
---*/
-{
- EFI_STATUS Status;
- EFI_HANDLE Handle;
- EFI_HANDLE ImageHandle;
- EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;
- EFI_DEVICE_PATH_PROTOCOL *FilePath;
- EFI_LOADED_IMAGE_PROTOCOL *ImageInfo;
- EFI_ACPI_S3_SAVE_PROTOCOL *AcpiS3Save;
- EFI_BLOCK_IO_PROTOCOL *BlkIo;
- VOID *Buffer;
-
- *ExitDataSize = 0;
- *ExitData = NULL;
-
- //
- // Notes: put EFI64 ROM Shadow Solution
- //
- EFI64_SHADOW_ALL_LEGACY_ROM ();
-
- //
- // Notes: this code can be remove after the s3 script table
- // hook on the event EFI_EVENT_SIGNAL_READY_TO_BOOT or
- // EFI_EVENT_SIGNAL_LEGACY_BOOT
- //
- Status = gBS->LocateProtocol (&gEfiAcpiS3SaveProtocolGuid, NULL, - (VOID **)&AcpiS3Save);
- if (!EFI_ERROR (Status)) {
- AcpiS3Save->S3Save (AcpiS3Save, NULL);
- }
- //
- // If it's Device Path that starts with a hard drive path,
- // this routine will do the booting.
- //
- Status = BdsBootByDiskSignatureAndPartition (
- Option,
- (HARDDRIVE_DEVICE_PATH *) DevicePath,
- Option->LoadOptionsSize,
- Option->LoadOptions,
- ExitDataSize,
- ExitData
- );
- if (!EFI_ERROR (Status)) {
- //
- // If we found a disk signature and partition device path return success
- //
- return EFI_SUCCESS;
- }
-
- EfiSignalEventReadyToBoot ();
-
- //
- // Set Boot Current
- //
- gRT->SetVariable (
- L"BootCurrent",
- &gEfiGlobalVariableGuid,
- EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
- sizeof (UINT16),
- &Option->BootCurrent
- );
-
- if ((DevicePathType (Option->DevicePath) == BBS_DEVICE_PATH) &&
- (DevicePathSubType (Option->DevicePath) == BBS_BBS_DP)
- ) {
- //
- // Check to see if we should legacy BOOT. If yes then do the legacy boot
- //
- return BdsLibDoLegacyBoot (Option);
- }
-
- DEBUG ((EFI_D_INFO | EFI_D_LOAD, "Booting EFI 1.1 way %S\n", Option->Description));
-
- Status = gBS->LoadImage (
- TRUE,
- mBdsImageHandle,
- DevicePath,
- NULL,
- 0,
- &ImageHandle
- );
-
- //
- // If we didn't find an image, we may need to load the default
- // boot behavior for the device.
- //
- if (EFI_ERROR (Status)) {
- //
- // Find a Simple File System protocol on the device path. If the remaining
- // device path is set to end then no Files are being specified, so try
- // the removable media file name.
- //
- TempDevicePath = DevicePath;
- Status = gBS->LocateDevicePath (
- &gEfiSimpleFileSystemProtocolGuid,
- &TempDevicePath,
- &Handle
- );
- if (!EFI_ERROR (Status) && IsDevicePathEnd (TempDevicePath)) {
- FilePath = FileDevicePath (Handle, EFI_REMOVABLE_MEDIA_FILE_NAME);
- if (FilePath) {
- //
- // Issue a dummy read to the device to check for media change.
- // When the removable media is changed, any Block IO read/write will
- // cause the BlockIo protocol be reinstalled and EFI_MEDIA_CHANGED is
- // returned. After the Block IO protocol is reinstalled, subsequent
- // Block IO read/write will success.
- //
- Status = gBS->HandleProtocol (
- Handle,
- &gEfiBlockIoProtocolGuid,
- (VOID **) &BlkIo
- );
- if (!EFI_ERROR (Status)) {
- Buffer = AllocatePool (BlkIo->Media->BlockSize);
- if (Buffer != NULL) {
- BlkIo->ReadBlocks (
- BlkIo,
- BlkIo->Media->MediaId,
- 0,
- BlkIo->Media->BlockSize,
- Buffer
- );
- gBS->FreePool (Buffer);
- }
- }
-
- Status = gBS->LoadImage (
- TRUE,
- mBdsImageHandle,
- FilePath,
- NULL,
- 0,
- &ImageHandle
- );
- if (EFI_ERROR (Status)) {
- //
- // The DevicePath failed, and it's not a valid
- // removable media device.
- //
- goto Done;
- }
- }
- } else {
- Status = EFI_NOT_FOUND;
- }
- }
-
- if (EFI_ERROR (Status)) {
- //
- // It there is any error from the Boot attempt exit now.
- //
- goto Done;
- }
- //
- // Provide the image with it's load options
- //
- Status = gBS->HandleProtocol (ImageHandle, &gEfiLoadedImageProtocolGuid, - (VOID **) &ImageInfo);
- ASSERT_EFI_ERROR (Status);
-
- if (Option->LoadOptionsSize != 0) {
- ImageInfo->LoadOptionsSize = Option->LoadOptionsSize;
- ImageInfo->LoadOptions = Option->LoadOptions;
- }
- //
- // Before calling the image, enable the Watchdog Timer for
- // the 5 Minute period
- //
- gBS->SetWatchdogTimer (5 * 60, 0x0000, 0x00, NULL);
-
- Status = gBS->StartImage (ImageHandle, ExitDataSize, ExitData);
- DEBUG ((EFI_D_INFO | EFI_D_LOAD, "Image Return Status = %r\n", Status));
-
- //
- // Clear the Watchdog Timer after the image returns
- //
- gBS->SetWatchdogTimer (0x0000, 0x0000, 0x0000, NULL);
-
-Done:
- //
- // Clear Boot Current
- //
- gRT->SetVariable (
- L"BootCurrent",
- &gEfiGlobalVariableGuid,
- EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
- 0,
- &Option->BootCurrent
- );
-
- return Status;
-}
-
-EFI_STATUS
-BdsBootByDiskSignatureAndPartition (
- IN BDS_COMMON_OPTION * Option,
- IN HARDDRIVE_DEVICE_PATH * HardDriveDevicePath,
- IN UINT32 LoadOptionsSize,
- IN VOID *LoadOptions,
- OUT UINTN *ExitDataSize,
- OUT CHAR16 **ExitData OPTIONAL
- )
-/*++
-
-Routine Description:
-
- Check to see if a hard ware device path was passed in. If it was then search
- all the block IO devices for the passed in hard drive device path.
-
-Arguments:
-
- Option - The current processing boot option.
-
- HardDriveDevicePath - EFI Device Path to boot, if it starts with a hard
- drive device path.
-
- LoadOptionsSize - Passed into gBS->StartImage ()
- via the loaded image protocol.
-
- LoadOptions - Passed into gBS->StartImage ()
- via the loaded image protocol.
-
- ExitDataSize - returned directly from gBS->StartImage ()
-
- ExitData - returned directly from gBS->StartImage ()
-
-Returns:
-
- EFI_SUCCESS - Status from gBS->StartImage (),
- or BootByDiskSignatureAndPartition ()
-
- EFI_NOT_FOUND - If the Device Path is not found in the system
-
---*/
-{
- EFI_STATUS Status;
- UINTN BlockIoHandleCount;
- EFI_HANDLE *BlockIoBuffer;
- EFI_DEVICE_PATH_PROTOCOL *BlockIoDevicePath;
- EFI_DEVICE_PATH_PROTOCOL *BlockIoHdDevicePath;
- HARDDRIVE_DEVICE_PATH *TmpHdPath;
- EFI_DEVICE_PATH_PROTOCOL *DevicePath;
- EFI_DEVICE_PATH_PROTOCOL *NewDevicePath;
- UINTN Index;
- BOOLEAN DevicePathMatch;
- HARDDRIVE_DEVICE_PATH *TempPath;
-
- *ExitDataSize = 0;
- *ExitData = NULL;
-
- if ( !((DevicePathType (&HardDriveDevicePath->Header) == MEDIA_DEVICE_PATH) &&
- (DevicePathSubType (&HardDriveDevicePath->Header) == MEDIA_HARDDRIVE_DP))
- ) {
- //
- // If the HardDriveDevicePath does not start with a Hard Drive Device Path
- // exit.
- //
- return EFI_NOT_FOUND;
- }
- //
- // The boot device have already been connected
- //
- Status = gBS->LocateHandleBuffer (ByProtocol, &gEfiBlockIoProtocolGuid, NULL, &BlockIoHandleCount, &BlockIoBuffer);
- if (EFI_ERROR (Status) || BlockIoHandleCount == 0) {
- //
- // If there was an error or there are no device handles that support
- // the BLOCK_IO Protocol, then return.
- //
- return EFI_NOT_FOUND;
- }
- //
- // Loop through all the device handles that support the BLOCK_IO Protocol
- //
- for (Index = 0; Index < BlockIoHandleCount; Index++) {
-
- Status = gBS->HandleProtocol (BlockIoBuffer[Index], &gEfiDevicePathProtocolGuid, (VOID *) &BlockIoDevicePath);
- if (EFI_ERROR (Status) || BlockIoDevicePath == NULL) {
- continue;
- }
- //
- // Make PreviousDevicePath == the device path node before the end node
- //
- DevicePath = BlockIoDevicePath;
- BlockIoHdDevicePath = NULL;
-
- //
- // find HardDriver device path node
- //
- while (!IsDevicePathEnd (DevicePath)) {
- if ((DevicePathType (DevicePath) == MEDIA_DEVICE_PATH) &&
- (DevicePathSubType (DevicePath) == MEDIA_HARDDRIVE_DP)
- ) {
- BlockIoHdDevicePath = DevicePath;
- break;
- }
-
- DevicePath = NextDevicePathNode (DevicePath);
- }
-
- if (BlockIoHdDevicePath == NULL) {
- continue;
- }
- //
- // See if the harddrive device path in blockio matches the orig Hard Drive Node
- //
- DevicePathMatch = FALSE;
-
- TmpHdPath = (HARDDRIVE_DEVICE_PATH *) BlockIoHdDevicePath;
- TempPath = (HARDDRIVE_DEVICE_PATH *) BdsLibUnpackDevicePath ((EFI_DEVICE_PATH_PROTOCOL *) HardDriveDevicePath);
-
- //
- // Only several fields will be checked. NOT whole NODE
- //
- if ( TmpHdPath->PartitionNumber == TempPath->PartitionNumber &&
- TmpHdPath->MBRType == TempPath->MBRType &&
- TmpHdPath->SignatureType == TempPath->SignatureType &&
- CompareGuid ((EFI_GUID *) TmpHdPath->Signature, (EFI_GUID *) TempPath->Signature)) {
- //
- // Get the matched device path
- //
- DevicePathMatch = TRUE;
- }
- //
- // Only do the boot, when devicepath match
- //
- if (DevicePathMatch) {
- //
- // Combine the Block IO and Hard Drive Device path together and try
- // to boot from it.
- //
- DevicePath = NextDevicePathNode ((EFI_DEVICE_PATH_PROTOCOL *) HardDriveDevicePath);
- NewDevicePath = AppendDevicePath (BlockIoDevicePath, DevicePath);
-
- //
- // Recursive boot with new device path
- //
- Status = BdsLibBootViaBootOption (Option, NewDevicePath, ExitDataSize, ExitData);
- if (!EFI_ERROR (Status)) {
- break;
- }
- }
- }
-
- gBS->FreePool (BlockIoBuffer);
- return Status;
-}
-
-EFI_STATUS
-BdsLibDeleteOptionFromHandle (
- IN EFI_HANDLE Handle
- )
-/*++
-
-Routine Description:
-
- Delete the boot option associated with the handle passed in
-
-Arguments:
-
- Handle - The handle which present the device path to create boot option
-
-Returns:
-
- EFI_SUCCESS - Delete the boot option success
-
- EFI_NOT_FOUND - If the Device Path is not found in the system
-
- EFI_OUT_OF_RESOURCES - Lack of memory resource
-
- Other - Error return value from SetVariable()
-
---*/
-{
- UINT16 *BootOrder;
- UINT8 *BootOptionVar;
- UINTN BootOrderSize;
- UINTN BootOptionSize;
- EFI_STATUS Status;
- UINTN Index;
- UINT16 BootOption[BOOT_OPTION_MAX_CHAR];
- UINTN DevicePathSize;
- UINTN OptionDevicePathSize;
- EFI_DEVICE_PATH_PROTOCOL *DevicePath;
- EFI_DEVICE_PATH_PROTOCOL *OptionDevicePath;
- UINT8 *TempPtr;
- CHAR16 *Description;
-
- Status = EFI_SUCCESS;
- BootOrder = NULL;
- BootOrderSize = 0;
-
- BootOrder = BdsLibGetVariableAndSize (
- L"BootOrder",
- &gEfiGlobalVariableGuid,
- &BootOrderSize
- );
- if (NULL == BootOrder) {
- return EFI_NOT_FOUND;
- }
-
- DevicePath = DevicePathFromHandle (Handle);
- if (DevicePath == NULL) {
- return EFI_NOT_FOUND;
- }
- DevicePathSize = GetDevicePathSize (DevicePath);
-
- Index = 0;
- while (Index < BootOrderSize / sizeof (UINT16)) {
- UnicodeSPrint (BootOption, sizeof (BootOption), L"Boot%04x", BootOrder[Index]);
- BootOptionVar = BdsLibGetVariableAndSize (
- BootOption,
- &gEfiGlobalVariableGuid,
- &BootOptionSize
- );
- if (NULL == BootOptionVar) {
- gBS->FreePool (BootOrder);
- return EFI_OUT_OF_RESOURCES;
- }
-
- TempPtr = BootOptionVar;
- TempPtr += sizeof (UINT32) + sizeof (UINT16);
- Description = (CHAR16 *) TempPtr;
- TempPtr += StrSize ((CHAR16 *) TempPtr);
- OptionDevicePath = (EFI_DEVICE_PATH_PROTOCOL *) TempPtr;
- OptionDevicePathSize = GetDevicePathSize (OptionDevicePath);
-
- //
- // Check whether the device path match
- //
- if ((OptionDevicePathSize == DevicePathSize) &&
- (CompareMem (DevicePath, OptionDevicePath, DevicePathSize) == 0)) {
- BdsDeleteBootOption (BootOrder[Index], BootOrder, &BootOrderSize);
- gBS->FreePool (BootOptionVar);
- break;
- }
-
- gBS->FreePool (BootOptionVar);
- Index++;
- }
-
- Status = gRT->SetVariable (
- L"BootOrder",
- &gEfiGlobalVariableGuid,
- EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
- BootOrderSize,
- BootOrder
- );
-
- gBS->FreePool (BootOrder);
-
- return Status;
-}
-
-EFI_STATUS
-BdsDeleteAllInvalidEfiBootOption (
- VOID
- )
-/*++
-
-Routine Description:
-
- Delete all invalid EFI boot options. The probable invalid boot option could
- be Removable media or Network boot device.
-
-Arguments:
-
- VOID
-
-Returns:
-
- EFI_SUCCESS - Delete all invalid boot option success
-
- EFI_NOT_FOUND - Variable "BootOrder" is not found
-
- EFI_OUT_OF_RESOURCES - Lack of memory resource
-
- Other - Error return value from SetVariable()
-
---*/
-{
- UINT16 *BootOrder;
- UINT8 *BootOptionVar;
- UINTN BootOrderSize;
- UINTN BootOptionSize;
- EFI_STATUS Status;
- UINTN Index;
- UINTN Index2;
- UINT16 BootOption[BOOT_OPTION_MAX_CHAR];
- UINTN OptionDevicePathSize;
- EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;
- EFI_DEVICE_PATH_PROTOCOL *LastDeviceNode;
- EFI_DEVICE_PATH_PROTOCOL *OptionDevicePath;
- UINT8 *TempPtr;
- CHAR16 *Description;
- EFI_HANDLE Handle;
- BOOLEAN NeedDelete;
-
- Status = EFI_SUCCESS;
- BootOrder = NULL;
- BootOrderSize = 0;
-
- BootOrder = BdsLibGetVariableAndSize (
- L"BootOrder",
- &gEfiGlobalVariableGuid,
- &BootOrderSize
- );
- if (NULL == BootOrder) {
- return EFI_NOT_FOUND;
- }
-
- Index = 0;
- while (Index < BootOrderSize / sizeof (UINT16)) {
- UnicodeSPrint (BootOption, sizeof (BootOption), L"Boot%04x", BootOrder[Index]);
- BootOptionVar = BdsLibGetVariableAndSize (
- BootOption,
- &gEfiGlobalVariableGuid,
- &BootOptionSize
- );
- if (NULL == BootOptionVar) {
- gBS->FreePool (BootOrder);
- return EFI_OUT_OF_RESOURCES;
- }
-
- TempPtr = BootOptionVar;
- TempPtr += sizeof (UINT32) + sizeof (UINT16);
- Description = (CHAR16 *) TempPtr;
- TempPtr += StrSize ((CHAR16 *) TempPtr);
- OptionDevicePath = (EFI_DEVICE_PATH_PROTOCOL *) TempPtr;
- OptionDevicePathSize = GetDevicePathSize (OptionDevicePath);
-
- //
- // Skip legacy boot option (BBS boot device)
- //
- if ((DevicePathType (OptionDevicePath) == BBS_DEVICE_PATH) &&
- (DevicePathSubType (OptionDevicePath) == BBS_BBS_DP)) {
- gBS->FreePool (BootOptionVar);
- Index++;
- continue;
- }
-
- TempDevicePath = OptionDevicePath;
- LastDeviceNode = OptionDevicePath;
- while (!EfiIsDevicePathEnd (TempDevicePath)) {
- LastDeviceNode = TempDevicePath;
- TempDevicePath = EfiNextDevicePathNode (TempDevicePath);
- }
- //
- // Skip the boot option that point to a file, since the device path in
- // removable media boot option doesn't contains a file name.
- //
- if (((DevicePathType (LastDeviceNode) == MEDIA_DEVICE_PATH) &&
- (DevicePathSubType (LastDeviceNode) == MEDIA_FILEPATH_DP)) ||
- //
- // Skip boot option for internal Shell, it's always valid
- //
- (EfiGetNameGuidFromFwVolDevicePathNode ((MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *) LastDeviceNode) != NULL)) {
- gBS->FreePool (BootOptionVar);
- Index++;
- continue;
- }
-
- NeedDelete = TRUE;
- //
- // Check if it's a valid boot option for removable media
- //
- TempDevicePath = OptionDevicePath;
- Status = gBS->LocateDevicePath (
- &gEfiSimpleFileSystemProtocolGuid,
- &TempDevicePath,
- &Handle
- );
- if (!EFI_ERROR (Status)) {
- NeedDelete = FALSE;
- }
- //
- // Check if it's a valid boot option for network boot device
- //
- TempDevicePath = OptionDevicePath;
- Status = gBS->LocateDevicePath (
- &gEfiLoadFileProtocolGuid,
- &TempDevicePath,
- &Handle
- );
- if (!EFI_ERROR (Status)) {
- NeedDelete = FALSE;
- }
-
- if (NeedDelete) {
- //
- // Delete this invalid boot option "Boot####"
- //
- Status = gRT->SetVariable (
- BootOption,
- &gEfiGlobalVariableGuid,
- EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
- 0,
- NULL
- );
- //
- // Mark this boot option in boot order as deleted
- //
- BootOrder[Index] = 0xffff;
- }
-
- gBS->FreePool (BootOptionVar);
- Index++;
- }
-
- //
- // Adjust boot order array
- //
- Index2 = 0;
- for (Index = 0; Index < BootOrderSize / sizeof (UINT16); Index++) {
- if (BootOrder[Index] != 0xffff) {
- BootOrder[Index2] = BootOrder[Index];
- Index2 ++;
- }
- }
- Status = gRT->SetVariable (
- L"BootOrder",
- &gEfiGlobalVariableGuid,
- EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
- Index2 * sizeof (UINT16),
- BootOrder
- );
-
- gBS->FreePool (BootOrder);
-
- return Status;
-}
-
-EFI_STATUS
-BdsLibEnumerateAllBootOption (
- IN OUT LIST_ENTRY *BdsBootOptionList
- )
-/*++
-
-Routine Description:
-
- This function will enumerate all possible boot device in the system,
- it will only excute once of every boot.
-
-Arguments:
-
- BdsBootOptionList - The header of the link list which indexed all
- current boot options
-
-Returns:
-
- EFI_SUCCESS - Finished all the boot device enumerate and create
- the boot option base on that boot device
-
---*/
-{
- EFI_STATUS Status;
- UINT16 BootOptionNumber;
- UINTN NumberFileSystemHandles;
- EFI_HANDLE *FileSystemHandles;
- EFI_BLOCK_IO_PROTOCOL *BlkIo;
- UINTN Index;
- UINTN NumberLoadFileHandles;
- EFI_HANDLE *LoadFileHandles;
- VOID *ProtocolInstance;
- EFI_FIRMWARE_VOLUME_PROTOCOL *Fv;
- UINTN FvHandleCount;
- EFI_HANDLE *FvHandleBuffer;
- EFI_FV_FILETYPE Type;
- UINTN Size;
- EFI_FV_FILE_ATTRIBUTES Attributes;
- UINT32 AuthenticationStatus;
- EFI_DEVICE_PATH_PROTOCOL *FilePath;
- EFI_HANDLE ImageHandle;
- EFI_LOADED_IMAGE_PROTOCOL *ImageInfo;
- BOOLEAN NeedDelete;
-
- BootOptionNumber = 0;
-
- //
- // If the boot device enumerate happened, just get the boot
- // device from the boot order variable
- //
- if (mEnumBootDevice) {
- BdsLibBuildOptionFromVar (BdsBootOptionList, L"BootOrder");
- return EFI_SUCCESS;
- }
- //
- // Notes: this dirty code is to get the legacy boot option from the
- // BBS table and create to variable as the EFI boot option, it should
- // be removed after the CSM can provide legacy boot option directly
- //
- REFRESH_LEGACY_BOOT_OPTIONS;
-
- //
- // Delete invalid boot option
- //
- BdsDeleteAllInvalidEfiBootOption ();
- //
- // Parse removable media
- //
- gBS->LocateHandleBuffer (
- ByProtocol,
- &gEfiSimpleFileSystemProtocolGuid,
- NULL,
- &NumberFileSystemHandles,
- &FileSystemHandles
- );
- for (Index = 0; Index < NumberFileSystemHandles; Index++) {
- Status = gBS->HandleProtocol (
- FileSystemHandles[Index],
- &gEfiBlockIoProtocolGuid,
- (VOID **) &BlkIo
- );
- if (!EFI_ERROR (Status)) {
- if (!BlkIo->Media->RemovableMedia) {
- //
- // If the file system handle supports a BlkIo protocol,
- // skip the removable media devices
- //
- continue;
- }
- }
-
- //
- // Do the removable Media thing. \EFI\BOOT\boot{machinename}.EFI
- // machinename is ia32, ia64, x64, ...
- //
- FilePath = FileDevicePath (FileSystemHandles[Index], EFI_REMOVABLE_MEDIA_FILE_NAME);
- NeedDelete = TRUE;
- Status = gBS->LoadImage (
- TRUE,
- mBdsImageHandle,
- FilePath,
- NULL,
- 0,
- &ImageHandle
- );
- if (!EFI_ERROR(Status)) {
- //
- // Verify the image is a EFI application (and not a driver)
- //
- Status = gBS->HandleProtocol (ImageHandle, &gEfiLoadedImageProtocolGuid, (VOID **) &ImageInfo);
- ASSERT (!EFI_ERROR(Status));
-
- if (ImageInfo->ImageCodeType == EfiLoaderCode) {
- NeedDelete = FALSE;
- }
- }
-
- if (NeedDelete) {
- //
- // No such file or the file is not a EFI application, delete this boot option
- //
- BdsLibDeleteOptionFromHandle (FileSystemHandles[Index]);
- } else {
- BdsLibBuildOptionFromHandle (FileSystemHandles[Index], BdsBootOptionList);
- BootOptionNumber++;
- }
- }
-
- if (NumberFileSystemHandles) {
- gBS->FreePool (FileSystemHandles);
- }
- //
- // Parse Network Boot Device
- //
- gBS->LocateHandleBuffer (
- ByProtocol,
- &gEfiSimpleNetworkProtocolGuid,
- NULL,
- &NumberLoadFileHandles,
- &LoadFileHandles
- );
- for (Index = 0; Index < NumberLoadFileHandles; Index++) {
- Status = gBS->HandleProtocol (
- LoadFileHandles[Index],
- &gEfiLoadFileProtocolGuid,
- (VOID **) &ProtocolInstance
- );
- if (EFI_ERROR (Status)) {
- continue;
- }
-
- BdsLibBuildOptionFromHandle (LoadFileHandles[Index], BdsBootOptionList);
- BootOptionNumber++;
- }
-
- if (NumberLoadFileHandles) {
- gBS->FreePool (LoadFileHandles);
- }
- //
- // Check if we have on flash shell
- //
- gBS->LocateHandleBuffer (
- ByProtocol,
- &gEfiFirmwareVolumeProtocolGuid,
- NULL,
- &FvHandleCount,
- &FvHandleBuffer
- );
- for (Index = 0; Index < FvHandleCount; Index++) {
- gBS->HandleProtocol (
- FvHandleBuffer[Index],
- &gEfiFirmwareVolumeProtocolGuid,
- (VOID **) &Fv
- );
-
- Status = Fv->ReadFile (
- Fv,
- &gEfiShellFileGuid,
- NULL,
- &Size,
- &Type,
- &Attributes,
- &AuthenticationStatus
- );
- if (EFI_ERROR (Status)) {
- //
- // Skip if no shell file in the FV
- //
- continue;
- }
- //
- // Build the shell boot option
- //
- BdsLibBuildOptionFromShell (FvHandleBuffer[Index], BdsBootOptionList);
- BootOptionNumber++;
- }
-
- if (FvHandleCount) {
- gBS->FreePool (FvHandleBuffer);
- }
- //
- // Make sure every boot only have one time
- // boot device enumerate
- //
- BdsLibBuildOptionFromVar (BdsBootOptionList, L"BootOrder");
- mEnumBootDevice = TRUE;
-
- return EFI_SUCCESS;
-}
-
-VOID
-BdsLibBuildOptionFromHandle (
- IN EFI_HANDLE Handle,
- IN LIST_ENTRY *BdsBootOptionList
- )
-/*++
-
-Routine Description:
-
- Build the boot option with the handle parsed in
-
-Arguments:
-
- Handle - The handle which present the device path to create boot option
-
- BdsBootOptionList - The header of the link list which indexed all current
- boot options
-
-Returns:
-
- VOID
-
---*/
-{
- EFI_DEVICE_PATH_PROTOCOL *DevicePath;
- CHAR16 *TempString;
-
- DevicePath = DevicePathFromHandle (Handle);
- TempString = DevicePathToStr (DevicePath);
-
- //
- // Create and register new boot option
- //
- BdsLibRegisterNewOption (BdsBootOptionList, DevicePath, TempString, L"BootOrder");
-}
-
-VOID
-BdsLibBuildOptionFromShell (
- IN EFI_HANDLE Handle,
- IN OUT LIST_ENTRY *BdsBootOptionList
- )
-/*++
-
-Routine Description:
-
- Build the on flash shell boot option with the handle parsed in
-
-Arguments:
-
- Handle - The handle which present the device path to create on flash shell
- boot option
-
- BdsBootOptionList - The header of the link list which indexed all current
- boot options
-
-Returns:
-
- None
-
---*/
-{
- EFI_DEVICE_PATH_PROTOCOL *DevicePath;
- MEDIA_FW_VOL_FILEPATH_DEVICE_PATH ShellNode;
-
- DevicePath = DevicePathFromHandle (Handle);
-
- //
- // Build the shell device path
- //
- EfiInitializeFwVolDevicepathNode (&ShellNode, &gEfiShellFileGuid);
- DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *) &ShellNode);
-
- //
- // Create and register the shell boot option
- //
- BdsLibRegisterNewOption (BdsBootOptionList, DevicePath, L"Internal EFI Shell", L"BootOrder");
-
-}
-
-VOID
-BdsLibBootNext (
- VOID
- )
-/*++
-
-Routine Description:
-
- Boot from the EFI1.1 spec defined "BootNext" variable
-
-Arguments:
-
- None
-
-Returns:
-
- None
-
---*/
-{
- UINT16 *BootNext;
- UINTN BootNextSize;
- CHAR16 Buffer[20];
- BDS_COMMON_OPTION *BootOption;
- LIST_ENTRY TempList;
- UINTN ExitDataSize;
- CHAR16 *ExitData;
-
- //
- // Init the boot option name buffer and temp link list
- //
- InitializeListHead (&TempList);
- ZeroMem (Buffer, sizeof (Buffer));
-
- BootNext = BdsLibGetVariableAndSize (
- L"BootNext",
- &gEfiGlobalVariableGuid,
- &BootNextSize
- );
-
- //
- // Clear the boot next variable first
- //
- if (BootNext != NULL) {
- gRT->SetVariable (
- L"BootNext",
- &gEfiGlobalVariableGuid,
- EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
- 0,
- BootNext
- );
-
- //
- // Start to build the boot option and try to boot
- //
- UnicodeSPrint (Buffer, sizeof (Buffer), L"Boot%04x", *BootNext);
- BootOption = BdsLibVariableToOption (&TempList, Buffer);
- BdsLibConnectDevicePath (BootOption->DevicePath);
- BdsLibBootViaBootOption (BootOption, BootOption->DevicePath, &ExitDataSize, &ExitData);
- }
-
-}
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