diff options
| author | qhuang8 <qhuang8@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-04-09 05:39:18 +0000 |
|---|---|---|
| committer | qhuang8 <qhuang8@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-04-09 05:39:18 +0000 |
| commit | 897f0eee20a4962038398c9c3a7dd1f938f27b9a (patch) | |
| tree | e35aabd8807c69347e3b7fc778870823375c755b /MdeModulePkg/Library/GenericBdsLib | |
| parent | fd6a62f3bf892fef356b8dce86d799831d7c0f09 (diff) | |
| download | edk2-platforms-897f0eee20a4962038398c9c3a7dd1f938f27b9a.tar.xz | |
Clean up BDS lib to remove assembly files, remove R8Lib.h & R8Lib.c by applying Mde Lib.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5020 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Library/GenericBdsLib')
17 files changed, 5809 insertions, 6254 deletions
diff --git a/MdeModulePkg/Library/GenericBdsLib/BdsBoot.c b/MdeModulePkg/Library/GenericBdsLib/BdsBoot.c index 4f9ab144e4..6a1c92139f 100644 --- a/MdeModulePkg/Library/GenericBdsLib/BdsBoot.c +++ b/MdeModulePkg/Library/GenericBdsLib/BdsBoot.c @@ -1,1888 +1,1877 @@ -/** @file - -Copyright (c) 2004 - 2007, 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 "InternalBdsLib.h" - -BOOLEAN mEnumBootDevice = FALSE; - -// -// This GUID is used for an EFI Variable that stores the front device pathes -// for a partial device path that starts with the HD node. -// -EFI_GUID mHdBootVariablePrivateGuid = { 0xfab7e9e1, 0x39dd, 0x4f2b, { 0x84, 0x8, 0xe2, 0xe, 0x90, 0x6c, 0xb6, 0xde } }; - - - -/** - Boot the legacy system with the boot option - - @param Option The legacy boot option which have BBS device path - - @retval EFI_UNSUPPORTED There is no legacybios protocol, do not support - legacy boot. - @retval EFI_STATUS Return the status of LegacyBios->LegacyBoot (). - -**/ -EFI_STATUS -BdsLibDoLegacyBoot ( - IN BDS_COMMON_OPTION *Option - ) -{ - 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 ((DEBUG_INFO | DEBUG_LOAD, "Legacy Boot: %S\n", Option->Description)); - return LegacyBios->LegacyBoot ( - LegacyBios, - (BBS_BBS_DEVICE_PATH *) Option->DevicePath, - Option->LoadOptionsSize, - Option->LoadOptions - ); -} - - -/** - Process the boot option follow the EFI 1.1 specification and - special treat the legacy boot option with BBS_DEVICE_PATH. - - @param Option The boot option need to be processed - @param DevicePath The device path which describe where to load the - boot image or the legcy BBS device path to boot - the legacy OS - @param ExitDataSize Returned directly from gBS->StartImage () - @param ExitData Returned directly from gBS->StartImage () - - @retval EFI_SUCCESS Status from gBS->StartImage () - @retval EFI_NOT_FOUND If the Device Path is not found in the system - -**/ -EFI_STATUS -BdsLibBootViaBootOption ( - IN BDS_COMMON_OPTION * Option, - IN EFI_DEVICE_PATH_PROTOCOL * DevicePath, - OUT UINTN *ExitDataSize, - OUT CHAR16 **ExitData OPTIONAL - ) -{ - EFI_STATUS Status; - EFI_HANDLE Handle; - EFI_HANDLE ImageHandle; - EFI_DEVICE_PATH_PROTOCOL *FilePath; - EFI_LOADED_IMAGE_PROTOCOL *ImageInfo; - EFI_DEVICE_PATH_PROTOCOL *WorkingDevicePath; - EFI_ACPI_S3_SAVE_PROTOCOL *AcpiS3Save; - LIST_ENTRY TempBootLists; - - // - // Record the performance data for End of BDS - // - PERF_END (0, BDS_TOK, NULL, 0); - - *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, append it with the front part to compose a - // full device path - // - WorkingDevicePath = NULL; - if ((DevicePathType (DevicePath) == MEDIA_DEVICE_PATH) && - (DevicePathSubType (DevicePath) == MEDIA_HARDDRIVE_DP)) { - WorkingDevicePath = BdsExpandPartitionPartialDevicePathToFull ( - (HARDDRIVE_DEVICE_PATH *)DevicePath - ); - if (WorkingDevicePath != NULL) { - DevicePath = WorkingDevicePath; - } - } - // - // Signal the EFI_EVENT_SIGNAL_READY_TO_BOOT event - // - 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); - } - - // - // If the boot option point to Internal FV shell, make sure it is valid - // - Status = BdsLibUpdateFvFileDevicePath (&DevicePath, &gEfiShellFileGuid); - if (!EFI_ERROR(Status)) { - if (Option->DevicePath != NULL) { - SafeFreePool(Option->DevicePath); - } - Option->DevicePath = AllocateZeroPool (GetDevicePathSize (DevicePath)); - CopyMem (Option->DevicePath, DevicePath, GetDevicePathSize (DevicePath)); - // - // Update the shell boot option - // - InitializeListHead (&TempBootLists); - BdsLibRegisterNewOption (&TempBootLists, DevicePath, L"EFI Internal Shell", L"BootOrder"); - } - - // - // Drop the TPL level from TPL_APPLICATION to TPL_APPLICATION - // - gBS->RestoreTPL (TPL_APPLICATION); - - DEBUG ((DEBUG_INFO | DEBUG_LOAD, "Booting EFI way %S\n", Option->Description)); - - Status = gBS->LoadImage ( - TRUE, - mBdsImageHandle, - DevicePath, - NULL, - 0, - &ImageHandle - ); - - // - // If we didn't find an image directly, we need to try as if it is a removable device boot opotion - // and load the image according to the default boot behavior for removable device. - // - if (EFI_ERROR (Status)) { - // - // check if there is a bootable removable media could be found in this device path , - // and get the bootable media handle - // - Handle = BdsLibGetBootableHandle(DevicePath); - if (Handle == NULL) { - goto Done; - } - // - // Load the default boot file \EFI\BOOT\boot{machinename}.EFI from removable Media - // machinename is ia32, ia64, x64, ... - // - FilePath = FileDevicePath (Handle, DEFAULT_REMOVABLE_FILE_NAME); - if (FilePath) { - 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; - } - } - } - - 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 ((DEBUG_INFO | DEBUG_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 - ); - - // - // Raise the TPL level back to TPL_APPLICATION - // - gBS->RaiseTPL (TPL_APPLICATION); - - return Status; -} - - -/** - Expand a device path that starts with a hard drive media device path node to be a - full device path that includes the full hardware path to the device. We need - to do this so it can be booted. As an optimizaiton the front match (the part point - to the partition node. E.g. ACPI() /PCI()/ATA()/Partition() ) is saved in a variable - so a connect all is not required on every boot. All successful history device path - which point to partition node (the front part) will be saved. - - @param HardDriveDevicePath EFI Device Path to boot, if it starts with a hard - drive media device path. - A Pointer to the full device path. - @retval NULL Cannot find a valid Hard Drive devic path - -**/ -EFI_DEVICE_PATH_PROTOCOL * -BdsExpandPartitionPartialDevicePathToFull ( - IN HARDDRIVE_DEVICE_PATH *HardDriveDevicePath - ) -{ - EFI_STATUS Status; - UINTN BlockIoHandleCount; - EFI_HANDLE *BlockIoBuffer; - EFI_DEVICE_PATH_PROTOCOL *FullDevicePath; - EFI_DEVICE_PATH_PROTOCOL *BlockIoDevicePath; - EFI_DEVICE_PATH_PROTOCOL *DevicePath; - UINTN Index; - UINTN InstanceNum; - EFI_DEVICE_PATH_PROTOCOL *CachedDevicePath; - EFI_DEVICE_PATH_PROTOCOL *TempNewDevicePath; - UINTN CachedDevicePathSize; - BOOLEAN DeviceExist; - BOOLEAN NeedAdjust; - EFI_DEVICE_PATH_PROTOCOL *Instance; - UINTN Size; - - FullDevicePath = NULL; - // - // Check if there is prestore 'HDDP' variable. - // If exist, search the front path which point to partition node in the variable instants. - // If fail to find or 'HDDP' not exist, reconnect all and search in all system - // - CachedDevicePath = BdsLibGetVariableAndSize ( - L"HDDP", - &mHdBootVariablePrivateGuid, - &CachedDevicePathSize - ); - if (CachedDevicePath != NULL) { - TempNewDevicePath = CachedDevicePath; - DeviceExist = FALSE; - NeedAdjust = FALSE; - do { - // - // Check every instance of the variable - // First, check wheather the instance contain the partition node, which is needed for distinguishing multi - // partial partition boot option. Second, check wheather the instance could be connected. - // - Instance = GetNextDevicePathInstance (&TempNewDevicePath, &Size); - if (MatchPartitionDevicePathNode (Instance, HardDriveDevicePath)) { - // - // Connect the device path instance, the device path point to hard drive media device path node - // e.g. ACPI() /PCI()/ATA()/Partition() - // - Status = BdsLibConnectDevicePath (Instance); - if (!EFI_ERROR (Status)) { - DeviceExist = TRUE; - break; - } - } - // - // Come here means the first instance is not matched - // - NeedAdjust = TRUE; - SafeFreePool(Instance); - } while (TempNewDevicePath != NULL); - - if (DeviceExist) { - // - // Find the matched device path. - // Append the file path infomration from the boot option and return the fully expanded device path. - // - DevicePath = NextDevicePathNode ((EFI_DEVICE_PATH_PROTOCOL *) HardDriveDevicePath); - FullDevicePath = AppendDevicePath (Instance, DevicePath); - - // - // Adjust the 'HDDP' instances sequense if the matched one is not first one. - // - if (NeedAdjust) { - // - // First delete the matched instance. - // - TempNewDevicePath = CachedDevicePath; - CachedDevicePath = BdsLibDelPartMatchInstance ( CachedDevicePath, Instance ); - SafeFreePool (TempNewDevicePath); - // - // Second, append the remaining parth after the matched instance - // - TempNewDevicePath = CachedDevicePath; - CachedDevicePath = AppendDevicePathInstance ( Instance, CachedDevicePath ); - SafeFreePool (TempNewDevicePath); - // - // Save the matching Device Path so we don't need to do a connect all next time - // - Status = gRT->SetVariable ( - L"HDDP", - &mHdBootVariablePrivateGuid, - EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE, - GetDevicePathSize (CachedDevicePath), - CachedDevicePath - ); - } - SafeFreePool(Instance); - gBS->FreePool (CachedDevicePath); - return FullDevicePath; - } - } - - // - // If we get here we fail to find or 'HDDP' not exist, and now we need - // to seach all devices in the system for a matched partition - // - BdsLibConnectAllDriversToAllControllers (); - 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 NULL; - } - // - // 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; - } - - if (MatchPartitionDevicePathNode (BlockIoDevicePath, HardDriveDevicePath)) { - // - // Find the matched partition device path - // - DevicePath = NextDevicePathNode ((EFI_DEVICE_PATH_PROTOCOL *) HardDriveDevicePath); - FullDevicePath = AppendDevicePath (BlockIoDevicePath, DevicePath); - - // - // Save the matched patition device path in 'HDDP' variable - // - if (CachedDevicePath != NULL) { - // - // Save the matched patition device path as first instance of 'HDDP' variable - // - if (BdsLibMatchDevicePaths (CachedDevicePath, BlockIoDevicePath)) { - TempNewDevicePath = CachedDevicePath; - CachedDevicePath = BdsLibDelPartMatchInstance (CachedDevicePath, BlockIoDevicePath); - SafeFreePool(TempNewDevicePath); - - TempNewDevicePath = CachedDevicePath; - CachedDevicePath = AppendDevicePathInstance (BlockIoDevicePath, CachedDevicePath); - SafeFreePool(TempNewDevicePath); - } else { - TempNewDevicePath = CachedDevicePath; - CachedDevicePath = AppendDevicePathInstance (BlockIoDevicePath, CachedDevicePath); - SafeFreePool(TempNewDevicePath); - } - // - // Here limit the device path instance number to 12, which is max number for a system support 3 IDE controller - // If the user try to boot many OS in different HDs or partitions, in theary, the 'HDDP' variable maybe become larger and larger. - // - InstanceNum = 0; - TempNewDevicePath = CachedDevicePath; - while (!IsDevicePathEnd (TempNewDevicePath)) { - TempNewDevicePath = NextDevicePathNode (TempNewDevicePath); - // - // Parse one instance - // - while (!IsDevicePathEndType (TempNewDevicePath)) { - TempNewDevicePath = NextDevicePathNode (TempNewDevicePath); - } - InstanceNum++; - // - // If the CachedDevicePath variable contain too much instance, only remain 12 instances. - // - if (InstanceNum >= 12) { - SetDevicePathEndNode (TempNewDevicePath); - break; - } - } - } else { - CachedDevicePath = DuplicateDevicePath (BlockIoDevicePath); - } - - // - // Save the matching Device Path so we don't need to do a connect all next time - // - Status = gRT->SetVariable ( - L"HDDP", - &mHdBootVariablePrivateGuid, - EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE, - GetDevicePathSize (CachedDevicePath), - CachedDevicePath - ); - - break; - } - } - gBS->FreePool (CachedDevicePath); - gBS->FreePool (BlockIoBuffer); - return FullDevicePath; -} - - -/** - Check whether there is a instance in BlockIoDevicePath, which contain multi device path - instances, has the same partition node with HardDriveDevicePath device path - - @param BlockIoDevicePath Multi device path instances which need to check - @param HardDriveDevicePath A device path which starts with a hard drive media - device path. - - @retval TRUE There is a matched device path instance FALSE - -There is no matched device path instance - -**/ -BOOLEAN -MatchPartitionDevicePathNode ( - IN EFI_DEVICE_PATH_PROTOCOL *BlockIoDevicePath, - IN HARDDRIVE_DEVICE_PATH *HardDriveDevicePath - ) -{ - HARDDRIVE_DEVICE_PATH *TmpHdPath; - HARDDRIVE_DEVICE_PATH *TempPath; - EFI_DEVICE_PATH_PROTOCOL *DevicePath; - BOOLEAN Match; - EFI_DEVICE_PATH_PROTOCOL *BlockIoHdDevicePathNode; - - if ((BlockIoDevicePath == NULL) || (HardDriveDevicePath == NULL)) { - return FALSE; - } - // - // Make PreviousDevicePath == the device path node before the end node - // - DevicePath = BlockIoDevicePath; - BlockIoHdDevicePathNode = NULL; - - // - // find the partition device path node - // - while (!IsDevicePathEnd (DevicePath)) { - if ((DevicePathType (DevicePath) == MEDIA_DEVICE_PATH) && - (DevicePathSubType (DevicePath) == MEDIA_HARDDRIVE_DP) - ) { - BlockIoHdDevicePathNode = DevicePath; - break; - } - - DevicePath = NextDevicePathNode (DevicePath); - } - - if (BlockIoHdDevicePathNode == NULL) { - return FALSE; - } - // - // See if the harddrive device path in blockio matches the orig Hard Drive Node - // - TmpHdPath = (HARDDRIVE_DEVICE_PATH *) BlockIoHdDevicePathNode; - TempPath = (HARDDRIVE_DEVICE_PATH *) BdsLibUnpackDevicePath ((EFI_DEVICE_PATH_PROTOCOL *) HardDriveDevicePath); - Match = FALSE; - // - // Check for the match - // - if ((TmpHdPath->MBRType == TempPath->MBRType) && - (TmpHdPath->SignatureType == TempPath->SignatureType)) { - switch (TmpHdPath->SignatureType) { - case SIGNATURE_TYPE_GUID: - Match = CompareGuid ((EFI_GUID *)TmpHdPath->Signature, (EFI_GUID *)TempPath->Signature); - break; - case SIGNATURE_TYPE_MBR: - Match = (BOOLEAN)(*((UINT32 *)(&(TmpHdPath->Signature[0]))) == *(UINT32 *)(&(TempPath->Signature[0]))); - break; - default: - Match = FALSE; - break; - } - } - - return Match; -} - - -/** - Delete the boot option associated with the handle passed in - - @param Handle The handle which present the device path to create - boot option - - @retval EFI_SUCCESS Delete the boot option success - @retval EFI_NOT_FOUND If the Device Path is not found in the system - @retval EFI_OUT_OF_RESOURCES Lack of memory resource - @retval Other Error return value from SetVariable() - -**/ -EFI_STATUS -BdsLibDeleteOptionFromHandle ( - IN EFI_HANDLE Handle - ) -{ - 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; - - 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); - 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; -} - - -/** - Delete all invalid EFI boot options. The probable invalid boot option could - be Removable media or Network boot device. - - VOID - - @retval EFI_SUCCESS Delete all invalid boot option success - @retval EFI_NOT_FOUND Variable "BootOrder" is not found - @retval EFI_OUT_OF_RESOURCES Lack of memory resource - @retval Other Error return value from SetVariable() - -**/ -EFI_STATUS -BdsDeleteAllInvalidEfiBootOption ( - VOID - ) -{ - UINT16 *BootOrder; - UINT8 *BootOptionVar; - UINTN BootOrderSize; - UINTN BootOptionSize; - EFI_STATUS Status; - UINTN Index; - UINTN Index2; - UINT16 BootOption[BOOT_OPTION_MAX_CHAR]; - EFI_DEVICE_PATH_PROTOCOL *OptionDevicePath; - UINT8 *TempPtr; - - 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); - TempPtr += StrSize ((CHAR16 *) TempPtr); - OptionDevicePath = (EFI_DEVICE_PATH_PROTOCOL *) TempPtr; - - // - // Skip legacy boot option (BBS boot device) - // - if ((DevicePathType (OptionDevicePath) == BBS_DEVICE_PATH) && - (DevicePathSubType (OptionDevicePath) == BBS_BBS_DP)) { - gBS->FreePool (BootOptionVar); - Index++; - continue; - } - - if (!BdsLibIsValidEFIBootOptDevicePath (OptionDevicePath, FALSE)) { - // - // 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; -} - - -/** - This function will enumerate all possible boot device in the system, - it will only excute once of every boot. - - @param BdsBootOptionList The header of the link list which indexed all - current boot options - - @retval EFI_SUCCESS Finished all the boot device enumerate and create - the boot option base on that boot device - -**/ -EFI_STATUS -BdsLibEnumerateAllBootOption ( - IN OUT LIST_ENTRY *BdsBootOptionList - ) -{ - EFI_STATUS Status; - UINT16 FloppyNumber; - UINT16 CdromNumber; - UINT16 UsbNumber; - UINT16 MiscNumber; - UINT16 NonBlockNumber; - UINTN NumberBlockIoHandles; - EFI_HANDLE *BlockIoHandles; - EFI_BLOCK_IO_PROTOCOL *BlkIo; - UINTN Index; - UINTN NumberSimpleNetworkHandles; - EFI_HANDLE *SimpleNetworkHandles; - UINTN FvHandleCount; - EFI_HANDLE *FvHandleBuffer; - EFI_FV_FILETYPE Type; - UINTN Size; - EFI_FV_FILE_ATTRIBUTES Attributes; - UINT32 AuthenticationStatus; - EFI_FIRMWARE_VOLUME2_PROTOCOL *Fv; - EFI_DEVICE_PATH_PROTOCOL *DevicePath; - UINTN DevicePathType; - CHAR16 Buffer[40]; - EFI_HANDLE *FileSystemHandles; - UINTN NumberFileSystemHandles; - BOOLEAN NeedDelete; - EFI_IMAGE_DOS_HEADER DosHeader; - EFI_IMAGE_OPTIONAL_HEADER_UNION HdrData; - EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr; - - FloppyNumber = 0; - CdromNumber = 0; - UsbNumber = 0; - MiscNumber = 0; - ZeroMem (Buffer, sizeof (Buffer)); - // - // 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, - &gEfiBlockIoProtocolGuid, - NULL, - &NumberBlockIoHandles, - &BlockIoHandles - ); - for (Index = 0; Index < NumberBlockIoHandles; Index++) { - Status = gBS->HandleProtocol ( - BlockIoHandles[Index], - &gEfiBlockIoProtocolGuid, - (VOID **) &BlkIo - ); - if (!EFI_ERROR (Status)) { - if (!BlkIo->Media->RemovableMedia) { - // - // skip the non-removable block devices - // - continue; - } - } - DevicePath = DevicePathFromHandle (BlockIoHandles[Index]); - DevicePathType = BdsGetBootTypeFromDevicePath (DevicePath); - - switch (DevicePathType) { - case BDS_EFI_ACPI_FLOPPY_BOOT: - if (FloppyNumber == 0) { - UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI Floppy"); - } else { - UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI Floppy %d", FloppyNumber); - } - BdsLibBuildOptionFromHandle (BlockIoHandles[Index], BdsBootOptionList, Buffer); - FloppyNumber++; - break; - - case BDS_EFI_MESSAGE_ATAPI_BOOT: - if (CdromNumber == 0) { - UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI DVD/CDROM"); - } else { - UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI DVD/CDROM %d", CdromNumber); - } - BdsLibBuildOptionFromHandle (BlockIoHandles[Index], BdsBootOptionList, Buffer); - CdromNumber++; - break; - - case BDS_EFI_MESSAGE_USB_DEVICE_BOOT: - if (UsbNumber == 0) { - UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI USB Device"); - } else { - UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI USB Device %d", UsbNumber); - } - BdsLibBuildOptionFromHandle (BlockIoHandles[Index], BdsBootOptionList, Buffer); - UsbNumber++; - break; - - case BDS_EFI_MESSAGE_SCSI_BOOT: - if (UsbNumber == 0) { - UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI SCSI Device"); - } else { - UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI SCSI Device %d", UsbNumber); - } - BdsLibBuildOptionFromHandle (BlockIoHandles[Index], BdsBootOptionList, Buffer); - UsbNumber++; - break; - - case BDS_EFI_MESSAGE_MISC_BOOT: - if (MiscNumber == 0) { - UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI Misc Device"); - } else { - UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI Misc Device %d", MiscNumber); - } - BdsLibBuildOptionFromHandle (BlockIoHandles[Index], BdsBootOptionList, Buffer); - MiscNumber++; - break; - - default: - break; - } - } - - if (NumberBlockIoHandles) { - gBS->FreePool (BlockIoHandles); - } - - // - // If there is simple file protocol which does not consume block Io protocol, create a boot option for it here. - // - NonBlockNumber = 0; - 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)) { - // - // Skip if the file system handle supports a BlkIo protocol, - // - continue; - } - - // - // Do the removable Media thing. \EFI\BOOT\boot{machinename}.EFI - // machinename is ia32, ia64, x64, ... - // - Hdr.Union = &HdrData; - NeedDelete = TRUE; - Status = BdsLibGetImageHeader ( - FileSystemHandles[Index], - DEFAULT_REMOVABLE_FILE_NAME, - &DosHeader, - Hdr - ); - if (!EFI_ERROR (Status) && - EFI_IMAGE_MACHINE_TYPE_SUPPORTED (Hdr.Pe32->FileHeader.Machine) && - Hdr.Pe32->OptionalHeader.Subsystem == EFI_IMAGE_SUBSYSTEM_EFI_APPLICATION) { - NeedDelete = FALSE; - } - - if (NeedDelete) { - // - // No such file or the file is not a EFI application, delete this boot option - // - BdsLibDeleteOptionFromHandle (FileSystemHandles[Index]); - } else { - if (NonBlockNumber == 0) { - UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI Non-Block Boot Device"); - } else { - UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI Non-Block Boot Device %d", NonBlockNumber); - } - BdsLibBuildOptionFromHandle (FileSystemHandles[Index], BdsBootOptionList, Buffer); - NonBlockNumber++; - } - } - - if (NumberFileSystemHandles) { - gBS->FreePool (FileSystemHandles); - } - - // - // Parse Network Boot Device - // - gBS->LocateHandleBuffer ( - ByProtocol, - &gEfiSimpleNetworkProtocolGuid, - NULL, - &NumberSimpleNetworkHandles, - &SimpleNetworkHandles - ); - for (Index = 0; Index < NumberSimpleNetworkHandles; Index++) { - if (Index == 0) { - UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI Network"); - } else { - UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI Network %d", Index); - } - BdsLibBuildOptionFromHandle (SimpleNetworkHandles[Index], BdsBootOptionList, Buffer); - } - - if (NumberSimpleNetworkHandles) { - gBS->FreePool (SimpleNetworkHandles); - } - - // - // Check if we have on flash shell - // - gBS->LocateHandleBuffer ( - ByProtocol, - &gEfiFirmwareVolume2ProtocolGuid, - NULL, - &FvHandleCount, - &FvHandleBuffer - ); - for (Index = 0; Index < FvHandleCount; Index++) { - // - // Only care the dispatched FV. If no dispatch protocol on the FV, it is not dispatched, then skip it. - // - Status = gBS->HandleProtocol ( - FvHandleBuffer[Index], - &gEfiFirmwareVolumeDispatchProtocolGuid, - (VOID **) &Fv - ); - if (EFI_ERROR (Status)) { - continue; - } - - gBS->HandleProtocol ( - FvHandleBuffer[Index], - &gEfiFirmwareVolume2ProtocolGuid, - (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); - } - - 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; -} - - -/** - Build the boot option with the handle parsed in - - @param Handle The handle which present the device path to create - boot option - @param BdsBootOptionList The header of the link list which indexed all - current boot options - - @return VOID - -**/ -VOID -BdsLibBuildOptionFromHandle ( - IN EFI_HANDLE Handle, - IN LIST_ENTRY *BdsBootOptionList, - IN CHAR16 *String - ) -{ - EFI_DEVICE_PATH_PROTOCOL *DevicePath; - - DevicePath = DevicePathFromHandle (Handle); - - // - // Create and register new boot option - // - BdsLibRegisterNewOption (BdsBootOptionList, DevicePath, String, L"BootOrder"); -} - - -/** - Build the on flash shell boot option with the handle parsed in - - @param Handle The handle which present the device path to create - on flash shell boot option - @param BdsBootOptionList The header of the link list which indexed all - current boot options - - @return None - -**/ -VOID -BdsLibBuildOptionFromShell ( - IN EFI_HANDLE Handle, - IN OUT LIST_ENTRY *BdsBootOptionList - ) -{ - EFI_DEVICE_PATH_PROTOCOL *DevicePath; - MEDIA_FW_VOL_FILEPATH_DEVICE_PATH ShellNode; - - DevicePath = DevicePathFromHandle (Handle); - - // - // Build the shell device path - // - EfiInitializeFwVolDevicepathNode (&ShellNode, &gEfiShellFileGuid); - // - //ShellNode.Header.Type = MEDIA_DEVICE_PATH; - //ShellNode.Header.SubType = MEDIA_FV_FILEPATH_DP; - //SetDevicePathNodeLength (&ShellNode.Header, sizeof (MEDIA_FW_VOL_FILEPATH_DEVICE_PATH)); - //CopyMem (&ShellNode.NameGuid, &gEfiShellFileGuid, sizeof (EFI_GUID)); - // - DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *) &ShellNode); - - // - // Create and register the shell boot option - // - BdsLibRegisterNewOption (BdsBootOptionList, DevicePath, L"EFI Internal Shell", L"BootOrder"); - -} - - -/** - Boot from the EFI1.1 spec defined "BootNext" variable - - None - - @return None - -**/ -VOID -BdsLibBootNext ( - VOID - ) -{ - 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); - } - -} - - - -/** - Return the bootable media handle. - First, check the device is connected - Second, check whether the device path point to a device which support SimpleFileSystemProtocol, - Third, detect the the default boot file in the Media, and return the removable Media handle. - - @param DevicePath Device Path to a bootable device - - @retval NULL The device path points to an EFI bootable Media - @retval NULL The media on the DevicePath is not bootable - -**/ -EFI_HANDLE -BdsLibGetBootableHandle ( - IN EFI_DEVICE_PATH_PROTOCOL *DevicePath - ) -{ - EFI_STATUS Status; - EFI_DEVICE_PATH_PROTOCOL *UpdatedDevicePath; - EFI_DEVICE_PATH_PROTOCOL *DupDevicePath; - EFI_HANDLE Handle; - EFI_BLOCK_IO_PROTOCOL *BlockIo; - VOID *Buffer; - EFI_DEVICE_PATH_PROTOCOL *TempDevicePath; - UINTN Size; - UINTN TempSize; - EFI_HANDLE ReturnHandle; - EFI_HANDLE *SimpleFileSystemHandles; - - UINTN NumberSimpleFileSystemHandles; - UINTN Index; - EFI_IMAGE_DOS_HEADER DosHeader; - EFI_IMAGE_OPTIONAL_HEADER_UNION HdrData; - EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr; - - UpdatedDevicePath = DevicePath; - // - // Check whether the device is connected - // - Status = gBS->LocateDevicePath (&gEfiBlockIoProtocolGuid, &UpdatedDevicePath, &Handle); - if (EFI_ERROR (Status)) { - // - // Skip the case that the boot option point to a simple file protocol which does not consume block Io protocol, - // - Status = gBS->LocateDevicePath (&gEfiSimpleFileSystemProtocolGuid, &UpdatedDevicePath, &Handle); - if (EFI_ERROR (Status)) { - // - // Fail to find the proper BlockIo and simple file protocol, maybe because device not present, we need to connect it firstly - // - UpdatedDevicePath = DevicePath; - Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid, &UpdatedDevicePath, &Handle); - gBS->ConnectController (Handle, NULL, NULL, TRUE); - } - } else { - // - // Get BlockIo protocal and check removable attribute - // - Status = gBS->HandleProtocol (Handle, &gEfiBlockIoProtocolGuid, (VOID **)&BlockIo); - // - // 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. - // - Buffer = AllocatePool (BlockIo->Media->BlockSize); - if (Buffer != NULL) { - BlockIo->ReadBlocks ( - BlockIo, - BlockIo->Media->MediaId, - 0, - BlockIo->Media->BlockSize, - Buffer - ); - gBS->FreePool (Buffer); - } - } - - // - // Detect the the default boot file from removable Media - // - - // - // If fail to get bootable handle specified by a USB boot option, the BDS should try to find other bootable device in the same USB bus - // Try to locate the USB node device path first, if fail then use its previour PCI node to search - // - DupDevicePath = DuplicateDevicePath (DevicePath); - UpdatedDevicePath = DupDevicePath; - Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid, &UpdatedDevicePath, &Handle); - // - // if the resulting device path point to a usb node, and the usb node is a dummy node, should only let device path only point to the previous Pci node - // Acpi()/Pci()/Usb() --> Acpi()/Pci() - // - if ((DevicePathType (UpdatedDevicePath) == MESSAGING_DEVICE_PATH) && - (DevicePathSubType (UpdatedDevicePath) == MSG_USB_DP)) { - // - // Remove the usb node, let the device path only point to PCI node - // - SetDevicePathEndNode (UpdatedDevicePath); - UpdatedDevicePath = DupDevicePath; - } else { - UpdatedDevicePath = DevicePath; - } - - // - // Get the device path size of boot option - // - Size = GetDevicePathSize(UpdatedDevicePath) - sizeof (EFI_DEVICE_PATH_PROTOCOL); // minus the end node - ReturnHandle = NULL; - gBS->LocateHandleBuffer ( - ByProtocol, - &gEfiSimpleFileSystemProtocolGuid, - NULL, - &NumberSimpleFileSystemHandles, - &SimpleFileSystemHandles - ); - for (Index = 0; Index < NumberSimpleFileSystemHandles; Index++) { - // - // Get the device path size of SimpleFileSystem handle - // - TempDevicePath = DevicePathFromHandle (SimpleFileSystemHandles[Index]); - TempSize = GetDevicePathSize (TempDevicePath)- sizeof (EFI_DEVICE_PATH_PROTOCOL); // minus the end node - // - // Check whether the device path of boot option is part of the SimpleFileSystem handle's device path - // - if (Size <= TempSize && CompareMem (TempDevicePath, UpdatedDevicePath, Size)==0) { - // - // Load the default boot file \EFI\BOOT\boot{machinename}.EFI from removable Media - // machinename is ia32, ia64, x64, ... - // - Hdr.Union = &HdrData; - Status = BdsLibGetImageHeader ( - SimpleFileSystemHandles[Index], - DEFAULT_REMOVABLE_FILE_NAME, - &DosHeader, - Hdr - ); - if (!EFI_ERROR (Status) && - EFI_IMAGE_MACHINE_TYPE_SUPPORTED (Hdr.Pe32->FileHeader.Machine) && - Hdr.Pe32->OptionalHeader.Subsystem == EFI_IMAGE_SUBSYSTEM_EFI_APPLICATION) { - ReturnHandle = SimpleFileSystemHandles[Index]; - break; - } - } - } - - if (DupDevicePath != NULL) { - SafeFreePool(DupDevicePath); - } - if (SimpleFileSystemHandles !=NULL ) { - gBS->FreePool (SimpleFileSystemHandles); - } - - return ReturnHandle; -} - - - - -/** - Check to see if the network cable is plugged in. If the DevicePath is not - connected it will be connected. - - @param DevicePath Device Path to check - - @retval TRUE DevicePath points to an Network that is connected - @retval FALSE DevicePath does not point to a bootable network - -**/ -BOOLEAN -BdsLibNetworkBootWithMediaPresent ( - IN EFI_DEVICE_PATH_PROTOCOL *DevicePath - ) -{ - EFI_STATUS Status; - EFI_DEVICE_PATH_PROTOCOL *UpdatedDevicePath; - EFI_HANDLE Handle; - EFI_SIMPLE_NETWORK_PROTOCOL *Snp; - BOOLEAN MediaPresent; - - MediaPresent = FALSE; - - UpdatedDevicePath = DevicePath; - Status = gBS->LocateDevicePath (&gEfiSimpleNetworkProtocolGuid, &UpdatedDevicePath, &Handle); - if (EFI_ERROR (Status)) { - // - // Device not present so see if we need to connect it - // - Status = BdsLibConnectDevicePath (DevicePath); - if (!EFI_ERROR (Status)) { - // - // This one should work after we did the connect - // - Status = gBS->LocateDevicePath (&gEfiSimpleNetworkProtocolGuid, &UpdatedDevicePath, &Handle); - } - } - - if (!EFI_ERROR (Status)) { - Status = gBS->HandleProtocol (Handle, &gEfiSimpleNetworkProtocolGuid, (VOID **)&Snp); - if (!EFI_ERROR (Status)) { - if (Snp->Mode->MediaPresentSupported) { - if (Snp->Mode->State == EfiSimpleNetworkInitialized) { - // - // In case some one else is using the SNP check to see if it's connected - // - MediaPresent = Snp->Mode->MediaPresent; - } else { - // - // No one is using SNP so we need to Start and Initialize so - // MediaPresent will be valid. - // - Status = Snp->Start (Snp); - if (!EFI_ERROR (Status)) { - Status = Snp->Initialize (Snp, 0, 0); - if (!EFI_ERROR (Status)) { - MediaPresent = Snp->Mode->MediaPresent; - Snp->Shutdown (Snp); - } - Snp->Stop (Snp); - } - } - } else { - MediaPresent = TRUE; - } - } - } - - return MediaPresent; -} - - - -/** - For a bootable Device path, return its boot type - - @param DevicePath The bootable device Path to check - - @return UINT32 Boot type : - @return // - @return // If the device path contains any media deviec path node, it is media boot type - @return // For the floppy node, handle it as media node - @return // - @return BDS_EFI_MEDIA_HD_BOOT - @return BDS_EFI_MEDIA_CDROM_BOOT - @return BDS_EFI_ACPI_FLOPPY_BOOT - @return // - @return // If the device path not contains any media deviec path node, and - @return // its last device path node point to a message device path node, it is - @return // a message boot type - @return // - @return BDS_EFI_MESSAGE_ATAPI_BOOT - @return BDS_EFI_MESSAGE_SCSI_BOOT - @return BDS_EFI_MESSAGE_USB_DEVICE_BOOT - @return BDS_EFI_MESSAGE_MISC_BOOT - @return // - @return // Legacy boot type - @return // - @return BDS_LEGACY_BBS_BOOT - @return // - @return // If a EFI Removable BlockIO device path not point to a media and message devie, - @return // it is unsupported - @return // - @return BDS_EFI_UNSUPPORT - -**/ -UINT32 -BdsGetBootTypeFromDevicePath ( - IN EFI_DEVICE_PATH_PROTOCOL *DevicePath - ) -{ - ACPI_HID_DEVICE_PATH *Acpi; - EFI_DEVICE_PATH_PROTOCOL *TempDevicePath; - EFI_DEVICE_PATH_PROTOCOL *LastDeviceNode; - - - if (NULL == DevicePath) { - return BDS_EFI_UNSUPPORT; - } - - TempDevicePath = DevicePath; - - while (!IsDevicePathEndType (TempDevicePath)) { - switch (DevicePathType (TempDevicePath)) { - case BBS_DEVICE_PATH: - return BDS_LEGACY_BBS_BOOT; - case MEDIA_DEVICE_PATH: - if (DevicePathSubType (TempDevicePath) == MEDIA_HARDDRIVE_DP) { - return BDS_EFI_MEDIA_HD_BOOT; - } else if (DevicePathSubType (TempDevicePath) == MEDIA_CDROM_DP) { - return BDS_EFI_MEDIA_CDROM_BOOT; - } - break; - case ACPI_DEVICE_PATH: - Acpi = (ACPI_HID_DEVICE_PATH *) TempDevicePath; - if (EISA_ID_TO_NUM (Acpi->HID) == 0x0604) { - return BDS_EFI_ACPI_FLOPPY_BOOT; - } - break; - case MESSAGING_DEVICE_PATH: - // - // if the device path not only point to driver device, it is not a messaging device path. - // - LastDeviceNode = NextDevicePathNode (TempDevicePath); - if (!IsDevicePathEndType (LastDeviceNode)) { - break; - } - - if (DevicePathSubType(TempDevicePath) == MSG_ATAPI_DP) { - return BDS_EFI_MESSAGE_ATAPI_BOOT; - } else if (DevicePathSubType(TempDevicePath) == MSG_USB_DP) { - return BDS_EFI_MESSAGE_USB_DEVICE_BOOT; - } else if (DevicePathSubType(TempDevicePath) == MSG_SCSI_DP) { - return BDS_EFI_MESSAGE_SCSI_BOOT; - } - return BDS_EFI_MESSAGE_MISC_BOOT; - default: - break; - } - TempDevicePath = NextDevicePathNode (TempDevicePath); - } - - return BDS_EFI_UNSUPPORT; -} - - -/** - Check whether the Device path in a boot option point to a valide bootable device, - And if CheckMedia is true, check the device is ready to boot now. - - DevPath -- the Device path in a boot option - CheckMedia -- if true, check the device is ready to boot now. - - @return TRUE -- the Device path is valide - @return FALSE -- the Device path is invalide . - -**/ -BOOLEAN -BdsLibIsValidEFIBootOptDevicePath ( - IN EFI_DEVICE_PATH_PROTOCOL *DevPath, - IN BOOLEAN CheckMedia - ) -{ - EFI_STATUS Status; - EFI_HANDLE Handle; - EFI_DEVICE_PATH_PROTOCOL *TempDevicePath; - EFI_DEVICE_PATH_PROTOCOL *LastDeviceNode; - EFI_BLOCK_IO_PROTOCOL *BlockIo; - - TempDevicePath = DevPath; - LastDeviceNode = DevPath; - // - // Check if it's a valid boot option for network boot device - // Only check if there is SimpleNetworkProtocol installed. If yes, that means - // there is the network card there. - // - Status = gBS->LocateDevicePath ( - &gEfiSimpleNetworkProtocolGuid, - &TempDevicePath, - &Handle - ); - if (EFI_ERROR (Status)) { - // - // Device not present so see if we need to connect it - // - TempDevicePath = DevPath; - BdsLibConnectDevicePath (TempDevicePath); - Status = gBS->LocateDevicePath ( - &gEfiSimpleNetworkProtocolGuid, - &TempDevicePath, - &Handle - ); - } - if (!EFI_ERROR (Status)) { - if (CheckMedia) { - // - // Test if it is ready to boot now - // - if (BdsLibNetworkBootWithMediaPresent(DevPath)) { - return TRUE; - } - } else { - return TRUE; - } - } - - // - // If the boot option point to a file, it is a valid EFI boot option, - // and assume it is ready to boot now - // - while (!EfiIsDevicePathEnd (TempDevicePath)) { - LastDeviceNode = TempDevicePath; - TempDevicePath = EfiNextDevicePathNode (TempDevicePath); - } - if ((DevicePathType (LastDeviceNode) == MEDIA_DEVICE_PATH) && - (DevicePathSubType (LastDeviceNode) == MEDIA_FILEPATH_DP)) { - return TRUE; - } - - // - // If the boot option point to a internal Shell, it is a valid EFI boot option, - // and assume it is ready to boot now - // - if (EfiGetNameGuidFromFwVolDevicePathNode ((MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *) LastDeviceNode) != NULL) { - return TRUE; - } - - // - // If the boot option point to a blockIO device, no matter whether or not it is a removeable device, it is a valid EFI boot option - // - TempDevicePath = DevPath; - Status = gBS->LocateDevicePath (&gEfiBlockIoProtocolGuid, &TempDevicePath, &Handle); - if (EFI_ERROR (Status)) { - // - // Device not present so see if we need to connect it - // - Status = BdsLibConnectDevicePath (DevPath); - if (!EFI_ERROR (Status)) { - // - // Try again to get the Block Io protocol after we did the connect - // - TempDevicePath = DevPath; - Status = gBS->LocateDevicePath (&gEfiBlockIoProtocolGuid, &TempDevicePath, &Handle); - } - } - if (!EFI_ERROR (Status)) { - Status = gBS->HandleProtocol (Handle, &gEfiBlockIoProtocolGuid, (VOID **)&BlockIo); - if (!EFI_ERROR (Status)) { - if (CheckMedia) { - // - // Test if it is ready to boot now - // - if (BdsLibGetBootableHandle (DevPath) != NULL) { - return TRUE; - } - } else { - return TRUE; - } - } - } else { - // - // if the boot option point to a simple file protocol which does not consume block Io protocol, it is also a valid EFI boot option, - // - Status = gBS->LocateDevicePath (&gEfiSimpleFileSystemProtocolGuid, &TempDevicePath, &Handle); - if (!EFI_ERROR (Status)) { - if (CheckMedia) { - // - // Test if it is ready to boot now - // - if (BdsLibGetBootableHandle (DevPath) != NULL) { - return TRUE; - } - } else { - return TRUE; - } - } - } - - return FALSE; -} - - -/** - According to a file guild, check a Fv file device path is valid. If it is invalid, - try to return the valid device path. - FV address maybe changes for memory layout adjust from time to time, use this funciton - could promise the Fv file device path is right. - - @param DevicePath on input, the Fv file device path need to check on - output, the updated valid Fv file device path - @param FileGuid the Fv file guild - - @retval EFI_INVALID_PARAMETER the input DevicePath or FileGuid is invalid - parameter - @retval EFI_UNSUPPORTED the input DevicePath does not contain Fv file - guild at all - @retval EFI_ALREADY_STARTED the input DevicePath has pointed to Fv file, it is - valid - @retval EFI_SUCCESS has successfully updated the invalid DevicePath, - and return the updated device path in DevicePath - -**/ -EFI_STATUS -EFIAPI -BdsLibUpdateFvFileDevicePath ( - IN OUT EFI_DEVICE_PATH_PROTOCOL ** DevicePath, - IN EFI_GUID *FileGuid - ) -{ - EFI_DEVICE_PATH_PROTOCOL *TempDevicePath; - EFI_DEVICE_PATH_PROTOCOL *LastDeviceNode; - EFI_STATUS Status; - EFI_GUID *GuidPoint; - UINTN Index; - UINTN FvHandleCount; - EFI_HANDLE *FvHandleBuffer; - EFI_FV_FILETYPE Type; - UINTN Size; - EFI_FV_FILE_ATTRIBUTES Attributes; - UINT32 AuthenticationStatus; - BOOLEAN FindFvFile; - EFI_LOADED_IMAGE_PROTOCOL *LoadedImage; - EFI_FIRMWARE_VOLUME2_PROTOCOL *Fv; - MEDIA_FW_VOL_FILEPATH_DEVICE_PATH FvFileNode; - EFI_HANDLE FoundFvHandle; - EFI_DEVICE_PATH_PROTOCOL *NewDevicePath; - - if ((DevicePath == NULL) || (*DevicePath == NULL)) { - return EFI_INVALID_PARAMETER; - } - if (FileGuid == NULL) { - return EFI_INVALID_PARAMETER; - } - // - // Check whether the device path point to the default the input Fv file - // - TempDevicePath = *DevicePath; - LastDeviceNode = TempDevicePath; - while (!EfiIsDevicePathEnd (TempDevicePath)) { - LastDeviceNode = TempDevicePath; - TempDevicePath = EfiNextDevicePathNode (TempDevicePath); - } - GuidPoint = EfiGetNameGuidFromFwVolDevicePathNode ( - (MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *) LastDeviceNode - ); - if (GuidPoint == NULL) { - // - // if this option does not points to a Fv file, just return EFI_UNSUPPORTED - // - return EFI_UNSUPPORTED; - } - if (!CompareGuid (GuidPoint, FileGuid)) { - // - // If the Fv file is not the input file guid, just return EFI_UNSUPPORTED - // - return EFI_UNSUPPORTED; - } - - // - // Check whether the input Fv file device path is valid - // - TempDevicePath = *DevicePath; - FoundFvHandle = NULL; - Status = gBS->LocateDevicePath ( - &gEfiFirmwareVolume2ProtocolGuid, - &TempDevicePath, - &FoundFvHandle - ); - if (!EFI_ERROR (Status)) { - Status = gBS->HandleProtocol ( - FoundFvHandle, - &gEfiFirmwareVolume2ProtocolGuid, - (VOID **) &Fv - ); - if (!EFI_ERROR (Status)) { - // - // Set FV ReadFile Buffer as NULL, only need to check whether input Fv file exist there - // - Status = Fv->ReadFile ( - Fv, - FileGuid, - NULL, - &Size, - &Type, - &Attributes, - &AuthenticationStatus - ); - if (!EFI_ERROR (Status)) { - return EFI_ALREADY_STARTED; - } - } - } - - // - // Look for the input wanted FV file in current FV - // First, try to look for in Bds own FV. Bds and input wanted FV file usually are in the same FV - // - FindFvFile = FALSE; - FoundFvHandle = NULL; - Status = gBS->HandleProtocol ( - mBdsImageHandle, - &gEfiLoadedImageProtocolGuid, - (VOID **) &LoadedImage - ); - if (!EFI_ERROR (Status)) { - Status = gBS->HandleProtocol ( - LoadedImage->DeviceHandle, - &gEfiFirmwareVolume2ProtocolGuid, - (VOID **) &Fv - ); - if (!EFI_ERROR (Status)) { - Status = Fv->ReadFile ( - Fv, - FileGuid, - NULL, - &Size, - &Type, - &Attributes, - &AuthenticationStatus - ); - if (!EFI_ERROR (Status)) { - FindFvFile = TRUE; - FoundFvHandle = LoadedImage->DeviceHandle; - } - } - } - // - // Second, if fail to find, try to enumerate all FV - // - if (!FindFvFile) { - gBS->LocateHandleBuffer ( - ByProtocol, - &gEfiFirmwareVolume2ProtocolGuid, - NULL, - &FvHandleCount, - &FvHandleBuffer - ); - for (Index = 0; Index < FvHandleCount; Index++) { - gBS->HandleProtocol ( - FvHandleBuffer[Index], - &gEfiFirmwareVolume2ProtocolGuid, - (VOID **) &Fv - ); - - Status = Fv->ReadFile ( - Fv, - FileGuid, - NULL, - &Size, - &Type, - &Attributes, - &AuthenticationStatus - ); - if (EFI_ERROR (Status)) { - // - // Skip if input Fv file not in the FV - // - continue; - } - FindFvFile = TRUE; - FoundFvHandle = FvHandleBuffer[Index]; - break; - } - } - - if (FindFvFile) { - // - // Build the shell device path - // - NewDevicePath = DevicePathFromHandle (FoundFvHandle); - EfiInitializeFwVolDevicepathNode (&FvFileNode, FileGuid); - NewDevicePath = AppendDevicePathNode (NewDevicePath, (EFI_DEVICE_PATH_PROTOCOL *) &FvFileNode); - *DevicePath = NewDevicePath; - return EFI_SUCCESS; - } - return EFI_NOT_FOUND; -} +/** @file
+ BDS Lib functions which relate with create or process the boot
+ option.
+
+Copyright (c) 2004 - 2008, Intel Corporation. <BR>
+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.
+
+**/
+
+#include "InternalBdsLib.h"
+
+BOOLEAN mEnumBootDevice = FALSE;
+
+//
+// This GUID is used for an EFI Variable that stores the front device pathes
+// for a partial device path that starts with the HD node.
+//
+EFI_GUID mHdBootVariablePrivateGuid = { 0xfab7e9e1, 0x39dd, 0x4f2b, { 0x84, 0x8, 0xe2, 0xe, 0x90, 0x6c, 0xb6, 0xde } };
+
+
+
+/**
+ Boot the legacy system with the boot option
+
+ @param Option The legacy boot option which have BBS device path
+
+ @retval EFI_UNSUPPORTED There is no legacybios protocol, do not support
+ legacy boot.
+ @retval EFI_STATUS Return the status of LegacyBios->LegacyBoot ().
+
+**/
+EFI_STATUS
+BdsLibDoLegacyBoot (
+ IN BDS_COMMON_OPTION *Option
+ )
+{
+ 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 ((DEBUG_INFO | DEBUG_LOAD, "Legacy Boot: %S\n", Option->Description));
+ return LegacyBios->LegacyBoot (
+ LegacyBios,
+ (BBS_BBS_DEVICE_PATH *) Option->DevicePath,
+ Option->LoadOptionsSize,
+ Option->LoadOptions
+ );
+}
+
+
+/**
+ Process the boot option follow the EFI 1.1 specification and
+ special treat the legacy boot option with BBS_DEVICE_PATH.
+
+ @param Option The boot option need to be processed
+ @param DevicePath The device path which describe where to load the
+ boot image or the legcy BBS device path to boot
+ the legacy OS
+ @param ExitDataSize Returned directly from gBS->StartImage ()
+ @param ExitData Returned directly from gBS->StartImage ()
+
+ @retval EFI_SUCCESS Status from gBS->StartImage ()
+ @retval EFI_NOT_FOUND If the Device Path is not found in the system
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibBootViaBootOption (
+ IN BDS_COMMON_OPTION * Option,
+ IN EFI_DEVICE_PATH_PROTOCOL * DevicePath,
+ OUT UINTN *ExitDataSize,
+ OUT CHAR16 **ExitData OPTIONAL
+ )
+{
+ EFI_STATUS Status;
+ EFI_HANDLE Handle;
+ EFI_HANDLE ImageHandle;
+ EFI_DEVICE_PATH_PROTOCOL *FilePath;
+ EFI_LOADED_IMAGE_PROTOCOL *ImageInfo;
+ EFI_DEVICE_PATH_PROTOCOL *WorkingDevicePath;
+ EFI_ACPI_S3_SAVE_PROTOCOL *AcpiS3Save;
+ LIST_ENTRY TempBootLists;
+
+ //
+ // Record the performance data for End of BDS
+ //
+ PERF_END (0, BDS_TOK, NULL, 0);
+
+ *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, append it with the front part to compose a
+ // full device path
+ //
+ WorkingDevicePath = NULL;
+ if ((DevicePathType (DevicePath) == MEDIA_DEVICE_PATH) &&
+ (DevicePathSubType (DevicePath) == MEDIA_HARDDRIVE_DP)) {
+ WorkingDevicePath = BdsExpandPartitionPartialDevicePathToFull (
+ (HARDDRIVE_DEVICE_PATH *)DevicePath
+ );
+ if (WorkingDevicePath != NULL) {
+ DevicePath = WorkingDevicePath;
+ }
+ }
+ //
+ // Signal the EFI_EVENT_SIGNAL_READY_TO_BOOT event
+ //
+ 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);
+ }
+
+ //
+ // If the boot option point to Internal FV shell, make sure it is valid
+ //
+ Status = BdsLibUpdateFvFileDevicePath (&DevicePath, &gEfiShellFileGuid);
+ if (!EFI_ERROR(Status)) {
+ if (Option->DevicePath != NULL) {
+ SafeFreePool(Option->DevicePath);
+ }
+ Option->DevicePath = AllocateZeroPool (GetDevicePathSize (DevicePath));
+ CopyMem (Option->DevicePath, DevicePath, GetDevicePathSize (DevicePath));
+ //
+ // Update the shell boot option
+ //
+ InitializeListHead (&TempBootLists);
+ BdsLibRegisterNewOption (&TempBootLists, DevicePath, L"EFI Internal Shell", L"BootOrder");
+ }
+
+ //
+ // Drop the TPL level from TPL_APPLICATION to TPL_APPLICATION
+ //
+ gBS->RestoreTPL (TPL_APPLICATION);
+
+ DEBUG ((DEBUG_INFO | DEBUG_LOAD, "Booting EFI way %S\n", Option->Description));
+
+ Status = gBS->LoadImage (
+ TRUE,
+ mBdsImageHandle,
+ DevicePath,
+ NULL,
+ 0,
+ &ImageHandle
+ );
+
+ //
+ // If we didn't find an image directly, we need to try as if it is a removable device boot opotion
+ // and load the image according to the default boot behavior for removable device.
+ //
+ if (EFI_ERROR (Status)) {
+ //
+ // check if there is a bootable removable media could be found in this device path ,
+ // and get the bootable media handle
+ //
+ Handle = BdsLibGetBootableHandle(DevicePath);
+ if (Handle == NULL) {
+ goto Done;
+ }
+ //
+ // Load the default boot file \EFI\BOOT\boot{machinename}.EFI from removable Media
+ // machinename is ia32, ia64, x64, ...
+ //
+ FilePath = FileDevicePath (Handle, DEFAULT_REMOVABLE_FILE_NAME);
+ if (FilePath) {
+ 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;
+ }
+ }
+ }
+
+ 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 ((DEBUG_INFO | DEBUG_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
+ );
+
+ //
+ // Raise the TPL level back to TPL_APPLICATION
+ //
+ gBS->RaiseTPL (TPL_APPLICATION);
+
+ return Status;
+}
+
+
+/**
+ Expand a device path that starts with a hard drive media device path node to be a
+ full device path that includes the full hardware path to the device. We need
+ to do this so it can be booted. As an optimizaiton the front match (the part point
+ to the partition node. E.g. ACPI() /PCI()/ATA()/Partition() ) is saved in a variable
+ so a connect all is not required on every boot. All successful history device path
+ which point to partition node (the front part) will be saved.
+
+ @param HardDriveDevicePath EFI Device Path to boot, if it starts with a hard
+ drive media device path.
+ @return A Pointer to the full device path or NULL if a valid Hard Drive devic path
+ cannot be found.
+
+**/
+EFI_DEVICE_PATH_PROTOCOL *
+EFIAPI
+BdsExpandPartitionPartialDevicePathToFull (
+ IN HARDDRIVE_DEVICE_PATH *HardDriveDevicePath
+ )
+{
+ EFI_STATUS Status;
+ UINTN BlockIoHandleCount;
+ EFI_HANDLE *BlockIoBuffer;
+ EFI_DEVICE_PATH_PROTOCOL *FullDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *BlockIoDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ UINTN Index;
+ UINTN InstanceNum;
+ EFI_DEVICE_PATH_PROTOCOL *CachedDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *TempNewDevicePath;
+ UINTN CachedDevicePathSize;
+ BOOLEAN DeviceExist;
+ BOOLEAN NeedAdjust;
+ EFI_DEVICE_PATH_PROTOCOL *Instance;
+ UINTN Size;
+
+ FullDevicePath = NULL;
+ //
+ // Check if there is prestore 'HDDP' variable.
+ // If exist, search the front path which point to partition node in the variable instants.
+ // If fail to find or 'HDDP' not exist, reconnect all and search in all system
+ //
+ CachedDevicePath = BdsLibGetVariableAndSize (
+ L"HDDP",
+ &mHdBootVariablePrivateGuid,
+ &CachedDevicePathSize
+ );
+ if (CachedDevicePath != NULL) {
+ TempNewDevicePath = CachedDevicePath;
+ DeviceExist = FALSE;
+ NeedAdjust = FALSE;
+ do {
+ //
+ // Check every instance of the variable
+ // First, check wheather the instance contain the partition node, which is needed for distinguishing multi
+ // partial partition boot option. Second, check wheather the instance could be connected.
+ //
+ Instance = GetNextDevicePathInstance (&TempNewDevicePath, &Size);
+ if (MatchPartitionDevicePathNode (Instance, HardDriveDevicePath)) {
+ //
+ // Connect the device path instance, the device path point to hard drive media device path node
+ // e.g. ACPI() /PCI()/ATA()/Partition()
+ //
+ Status = BdsLibConnectDevicePath (Instance);
+ if (!EFI_ERROR (Status)) {
+ DeviceExist = TRUE;
+ break;
+ }
+ }
+ //
+ // Come here means the first instance is not matched
+ //
+ NeedAdjust = TRUE;
+ SafeFreePool(Instance);
+ } while (TempNewDevicePath != NULL);
+
+ if (DeviceExist) {
+ //
+ // Find the matched device path.
+ // Append the file path infomration from the boot option and return the fully expanded device path.
+ //
+ DevicePath = NextDevicePathNode ((EFI_DEVICE_PATH_PROTOCOL *) HardDriveDevicePath);
+ FullDevicePath = AppendDevicePath (Instance, DevicePath);
+
+ //
+ // Adjust the 'HDDP' instances sequense if the matched one is not first one.
+ //
+ if (NeedAdjust) {
+ //
+ // First delete the matched instance.
+ //
+ TempNewDevicePath = CachedDevicePath;
+ CachedDevicePath = BdsLibDelPartMatchInstance ( CachedDevicePath, Instance );
+ SafeFreePool (TempNewDevicePath);
+ //
+ // Second, append the remaining parth after the matched instance
+ //
+ TempNewDevicePath = CachedDevicePath;
+ CachedDevicePath = AppendDevicePathInstance ( Instance, CachedDevicePath );
+ SafeFreePool (TempNewDevicePath);
+ //
+ // Save the matching Device Path so we don't need to do a connect all next time
+ //
+ Status = gRT->SetVariable (
+ L"HDDP",
+ &mHdBootVariablePrivateGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
+ GetDevicePathSize (CachedDevicePath),
+ CachedDevicePath
+ );
+ }
+ SafeFreePool(Instance);
+ gBS->FreePool (CachedDevicePath);
+ return FullDevicePath;
+ }
+ }
+
+ //
+ // If we get here we fail to find or 'HDDP' not exist, and now we need
+ // to seach all devices in the system for a matched partition
+ //
+ BdsLibConnectAllDriversToAllControllers ();
+ 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 NULL;
+ }
+ //
+ // 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;
+ }
+
+ if (MatchPartitionDevicePathNode (BlockIoDevicePath, HardDriveDevicePath)) {
+ //
+ // Find the matched partition device path
+ //
+ DevicePath = NextDevicePathNode ((EFI_DEVICE_PATH_PROTOCOL *) HardDriveDevicePath);
+ FullDevicePath = AppendDevicePath (BlockIoDevicePath, DevicePath);
+
+ //
+ // Save the matched patition device path in 'HDDP' variable
+ //
+ if (CachedDevicePath != NULL) {
+ //
+ // Save the matched patition device path as first instance of 'HDDP' variable
+ //
+ if (BdsLibMatchDevicePaths (CachedDevicePath, BlockIoDevicePath)) {
+ TempNewDevicePath = CachedDevicePath;
+ CachedDevicePath = BdsLibDelPartMatchInstance (CachedDevicePath, BlockIoDevicePath);
+ SafeFreePool(TempNewDevicePath);
+
+ TempNewDevicePath = CachedDevicePath;
+ CachedDevicePath = AppendDevicePathInstance (BlockIoDevicePath, CachedDevicePath);
+ SafeFreePool(TempNewDevicePath);
+ } else {
+ TempNewDevicePath = CachedDevicePath;
+ CachedDevicePath = AppendDevicePathInstance (BlockIoDevicePath, CachedDevicePath);
+ SafeFreePool(TempNewDevicePath);
+ }
+ //
+ // Here limit the device path instance number to 12, which is max number for a system support 3 IDE controller
+ // If the user try to boot many OS in different HDs or partitions, in theary, the 'HDDP' variable maybe become larger and larger.
+ //
+ InstanceNum = 0;
+ TempNewDevicePath = CachedDevicePath;
+ while (!IsDevicePathEnd (TempNewDevicePath)) {
+ TempNewDevicePath = NextDevicePathNode (TempNewDevicePath);
+ //
+ // Parse one instance
+ //
+ while (!IsDevicePathEndType (TempNewDevicePath)) {
+ TempNewDevicePath = NextDevicePathNode (TempNewDevicePath);
+ }
+ InstanceNum++;
+ //
+ // If the CachedDevicePath variable contain too much instance, only remain 12 instances.
+ //
+ if (InstanceNum >= 12) {
+ SetDevicePathEndNode (TempNewDevicePath);
+ break;
+ }
+ }
+ } else {
+ CachedDevicePath = DuplicateDevicePath (BlockIoDevicePath);
+ }
+
+ //
+ // Save the matching Device Path so we don't need to do a connect all next time
+ //
+ Status = gRT->SetVariable (
+ L"HDDP",
+ &mHdBootVariablePrivateGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
+ GetDevicePathSize (CachedDevicePath),
+ CachedDevicePath
+ );
+
+ break;
+ }
+ }
+ gBS->FreePool (CachedDevicePath);
+ gBS->FreePool (BlockIoBuffer);
+ return FullDevicePath;
+}
+
+
+/**
+ Check whether there is a instance in BlockIoDevicePath, which contain multi device path
+ instances, has the same partition node with HardDriveDevicePath device path
+
+ @param BlockIoDevicePath Multi device path instances which need to check
+ @param HardDriveDevicePath A device path which starts with a hard drive media
+ device path.
+
+ @retval TRUE There is a matched device path instance FALSE
+ -There is no matched device path instance
+
+**/
+BOOLEAN
+EFIAPI
+MatchPartitionDevicePathNode (
+ IN EFI_DEVICE_PATH_PROTOCOL *BlockIoDevicePath,
+ IN HARDDRIVE_DEVICE_PATH *HardDriveDevicePath
+ )
+{
+ HARDDRIVE_DEVICE_PATH *TmpHdPath;
+ HARDDRIVE_DEVICE_PATH *TempPath;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ BOOLEAN Match;
+ EFI_DEVICE_PATH_PROTOCOL *BlockIoHdDevicePathNode;
+
+ if ((BlockIoDevicePath == NULL) || (HardDriveDevicePath == NULL)) {
+ return FALSE;
+ }
+ //
+ // Make PreviousDevicePath == the device path node before the end node
+ //
+ DevicePath = BlockIoDevicePath;
+ BlockIoHdDevicePathNode = NULL;
+
+ //
+ // find the partition device path node
+ //
+ while (!IsDevicePathEnd (DevicePath)) {
+ if ((DevicePathType (DevicePath) == MEDIA_DEVICE_PATH) &&
+ (DevicePathSubType (DevicePath) == MEDIA_HARDDRIVE_DP)
+ ) {
+ BlockIoHdDevicePathNode = DevicePath;
+ break;
+ }
+
+ DevicePath = NextDevicePathNode (DevicePath);
+ }
+
+ if (BlockIoHdDevicePathNode == NULL) {
+ return FALSE;
+ }
+ //
+ // See if the harddrive device path in blockio matches the orig Hard Drive Node
+ //
+ TmpHdPath = (HARDDRIVE_DEVICE_PATH *) BlockIoHdDevicePathNode;
+ TempPath = (HARDDRIVE_DEVICE_PATH *) BdsLibUnpackDevicePath ((EFI_DEVICE_PATH_PROTOCOL *) HardDriveDevicePath);
+ Match = FALSE;
+ //
+ // Check for the match
+ //
+ if ((TmpHdPath->MBRType == TempPath->MBRType) &&
+ (TmpHdPath->SignatureType == TempPath->SignatureType)) {
+ switch (TmpHdPath->SignatureType) {
+ case SIGNATURE_TYPE_GUID:
+ Match = CompareGuid ((EFI_GUID *)TmpHdPath->Signature, (EFI_GUID *)TempPath->Signature);
+ break;
+ case SIGNATURE_TYPE_MBR:
+ Match = (BOOLEAN)(*((UINT32 *)(&(TmpHdPath->Signature[0]))) == *(UINT32 *)(&(TempPath->Signature[0])));
+ break;
+ default:
+ Match = FALSE;
+ break;
+ }
+ }
+
+ return Match;
+}
+
+
+/**
+ Delete the boot option associated with the handle passed in
+
+ @param Handle The handle which present the device path to create
+ boot option
+
+ @retval EFI_SUCCESS Delete the boot option success
+ @retval EFI_NOT_FOUND If the Device Path is not found in the system
+ @retval EFI_OUT_OF_RESOURCES Lack of memory resource
+ @retval Other Error return value from SetVariable()
+
+**/
+EFI_STATUS
+BdsLibDeleteOptionFromHandle (
+ IN EFI_HANDLE Handle
+ )
+{
+ 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;
+
+ 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);
+ 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;
+}
+
+
+/**
+ Delete all invalid EFI boot options. The probable invalid boot option could
+ be Removable media or Network boot device.
+
+ VOID
+
+ @retval EFI_SUCCESS Delete all invalid boot option success
+ @retval EFI_NOT_FOUND Variable "BootOrder" is not found
+ @retval EFI_OUT_OF_RESOURCES Lack of memory resource
+ @retval Other Error return value from SetVariable()
+
+**/
+EFI_STATUS
+BdsDeleteAllInvalidEfiBootOption (
+ VOID
+ )
+{
+ UINT16 *BootOrder;
+ UINT8 *BootOptionVar;
+ UINTN BootOrderSize;
+ UINTN BootOptionSize;
+ EFI_STATUS Status;
+ UINTN Index;
+ UINTN Index2;
+ UINT16 BootOption[BOOT_OPTION_MAX_CHAR];
+ EFI_DEVICE_PATH_PROTOCOL *OptionDevicePath;
+ UINT8 *TempPtr;
+
+ 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);
+ TempPtr += StrSize ((CHAR16 *) TempPtr);
+ OptionDevicePath = (EFI_DEVICE_PATH_PROTOCOL *) TempPtr;
+
+ //
+ // Skip legacy boot option (BBS boot device)
+ //
+ if ((DevicePathType (OptionDevicePath) == BBS_DEVICE_PATH) &&
+ (DevicePathSubType (OptionDevicePath) == BBS_BBS_DP)) {
+ gBS->FreePool (BootOptionVar);
+ Index++;
+ continue;
+ }
+
+ if (!BdsLibIsValidEFIBootOptDevicePath (OptionDevicePath, FALSE)) {
+ //
+ // 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;
+}
+
+
+/**
+ This function will enumerate all possible boot device in the system,
+ it will only excute once of every boot.
+
+ @param BdsBootOptionList The header of the link list which indexed all
+ current boot options
+
+ @retval EFI_SUCCESS Finished all the boot device enumerate and create
+ the boot option base on that boot device
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibEnumerateAllBootOption (
+ IN OUT LIST_ENTRY *BdsBootOptionList
+ )
+{
+ EFI_STATUS Status;
+ UINT16 FloppyNumber;
+ UINT16 CdromNumber;
+ UINT16 UsbNumber;
+ UINT16 MiscNumber;
+ UINT16 NonBlockNumber;
+ UINTN NumberBlockIoHandles;
+ EFI_HANDLE *BlockIoHandles;
+ EFI_BLOCK_IO_PROTOCOL *BlkIo;
+ UINTN Index;
+ UINTN NumberSimpleNetworkHandles;
+ EFI_HANDLE *SimpleNetworkHandles;
+ UINTN FvHandleCount;
+ EFI_HANDLE *FvHandleBuffer;
+ EFI_FV_FILETYPE Type;
+ UINTN Size;
+ EFI_FV_FILE_ATTRIBUTES Attributes;
+ UINT32 AuthenticationStatus;
+ EFI_FIRMWARE_VOLUME2_PROTOCOL *Fv;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ UINTN DevicePathType;
+ CHAR16 Buffer[40];
+ EFI_HANDLE *FileSystemHandles;
+ UINTN NumberFileSystemHandles;
+ BOOLEAN NeedDelete;
+ EFI_IMAGE_DOS_HEADER DosHeader;
+ EFI_IMAGE_OPTIONAL_HEADER_UNION HdrData;
+ EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr;
+
+ FloppyNumber = 0;
+ CdromNumber = 0;
+ UsbNumber = 0;
+ MiscNumber = 0;
+ ZeroMem (Buffer, sizeof (Buffer));
+ //
+ // 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,
+ &gEfiBlockIoProtocolGuid,
+ NULL,
+ &NumberBlockIoHandles,
+ &BlockIoHandles
+ );
+ for (Index = 0; Index < NumberBlockIoHandles; Index++) {
+ Status = gBS->HandleProtocol (
+ BlockIoHandles[Index],
+ &gEfiBlockIoProtocolGuid,
+ (VOID **) &BlkIo
+ );
+ if (!EFI_ERROR (Status)) {
+ if (!BlkIo->Media->RemovableMedia) {
+ //
+ // skip the non-removable block devices
+ //
+ continue;
+ }
+ }
+ DevicePath = DevicePathFromHandle (BlockIoHandles[Index]);
+ DevicePathType = BdsGetBootTypeFromDevicePath (DevicePath);
+
+ switch (DevicePathType) {
+ case BDS_EFI_ACPI_FLOPPY_BOOT:
+ if (FloppyNumber == 0) {
+ UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI Floppy");
+ } else {
+ UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI Floppy %d", FloppyNumber);
+ }
+ BdsLibBuildOptionFromHandle (BlockIoHandles[Index], BdsBootOptionList, Buffer);
+ FloppyNumber++;
+ break;
+
+ case BDS_EFI_MESSAGE_ATAPI_BOOT:
+ if (CdromNumber == 0) {
+ UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI DVD/CDROM");
+ } else {
+ UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI DVD/CDROM %d", CdromNumber);
+ }
+ BdsLibBuildOptionFromHandle (BlockIoHandles[Index], BdsBootOptionList, Buffer);
+ CdromNumber++;
+ break;
+
+ case BDS_EFI_MESSAGE_USB_DEVICE_BOOT:
+ if (UsbNumber == 0) {
+ UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI USB Device");
+ } else {
+ UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI USB Device %d", UsbNumber);
+ }
+ BdsLibBuildOptionFromHandle (BlockIoHandles[Index], BdsBootOptionList, Buffer);
+ UsbNumber++;
+ break;
+
+ case BDS_EFI_MESSAGE_SCSI_BOOT:
+ if (UsbNumber == 0) {
+ UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI SCSI Device");
+ } else {
+ UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI SCSI Device %d", UsbNumber);
+ }
+ BdsLibBuildOptionFromHandle (BlockIoHandles[Index], BdsBootOptionList, Buffer);
+ UsbNumber++;
+ break;
+
+ case BDS_EFI_MESSAGE_MISC_BOOT:
+ if (MiscNumber == 0) {
+ UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI Misc Device");
+ } else {
+ UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI Misc Device %d", MiscNumber);
+ }
+ BdsLibBuildOptionFromHandle (BlockIoHandles[Index], BdsBootOptionList, Buffer);
+ MiscNumber++;
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ if (NumberBlockIoHandles) {
+ gBS->FreePool (BlockIoHandles);
+ }
+
+ //
+ // If there is simple file protocol which does not consume block Io protocol, create a boot option for it here.
+ //
+ NonBlockNumber = 0;
+ 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)) {
+ //
+ // Skip if the file system handle supports a BlkIo protocol,
+ //
+ continue;
+ }
+
+ //
+ // Do the removable Media thing. \EFI\BOOT\boot{machinename}.EFI
+ // machinename is ia32, ia64, x64, ...
+ //
+ Hdr.Union = &HdrData;
+ NeedDelete = TRUE;
+ Status = BdsLibGetImageHeader (
+ FileSystemHandles[Index],
+ DEFAULT_REMOVABLE_FILE_NAME,
+ &DosHeader,
+ Hdr
+ );
+ if (!EFI_ERROR (Status) &&
+ EFI_IMAGE_MACHINE_TYPE_SUPPORTED (Hdr.Pe32->FileHeader.Machine) &&
+ Hdr.Pe32->OptionalHeader.Subsystem == EFI_IMAGE_SUBSYSTEM_EFI_APPLICATION) {
+ NeedDelete = FALSE;
+ }
+
+ if (NeedDelete) {
+ //
+ // No such file or the file is not a EFI application, delete this boot option
+ //
+ BdsLibDeleteOptionFromHandle (FileSystemHandles[Index]);
+ } else {
+ if (NonBlockNumber == 0) {
+ UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI Non-Block Boot Device");
+ } else {
+ UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI Non-Block Boot Device %d", NonBlockNumber);
+ }
+ BdsLibBuildOptionFromHandle (FileSystemHandles[Index], BdsBootOptionList, Buffer);
+ NonBlockNumber++;
+ }
+ }
+
+ if (NumberFileSystemHandles) {
+ gBS->FreePool (FileSystemHandles);
+ }
+
+ //
+ // Parse Network Boot Device
+ //
+ gBS->LocateHandleBuffer (
+ ByProtocol,
+ &gEfiSimpleNetworkProtocolGuid,
+ NULL,
+ &NumberSimpleNetworkHandles,
+ &SimpleNetworkHandles
+ );
+ for (Index = 0; Index < NumberSimpleNetworkHandles; Index++) {
+ if (Index == 0) {
+ UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI Network");
+ } else {
+ UnicodeSPrint (Buffer, sizeof (Buffer), L"EFI Network %d", Index);
+ }
+ BdsLibBuildOptionFromHandle (SimpleNetworkHandles[Index], BdsBootOptionList, Buffer);
+ }
+
+ if (NumberSimpleNetworkHandles) {
+ gBS->FreePool (SimpleNetworkHandles);
+ }
+
+ //
+ // Check if we have on flash shell
+ //
+ gBS->LocateHandleBuffer (
+ ByProtocol,
+ &gEfiFirmwareVolume2ProtocolGuid,
+ NULL,
+ &FvHandleCount,
+ &FvHandleBuffer
+ );
+ for (Index = 0; Index < FvHandleCount; Index++) {
+ //
+ // Only care the dispatched FV. If no dispatch protocol on the FV, it is not dispatched, then skip it.
+ //
+ Status = gBS->HandleProtocol (
+ FvHandleBuffer[Index],
+ &gEfiFirmwareVolumeDispatchProtocolGuid,
+ (VOID **) &Fv
+ );
+ if (EFI_ERROR (Status)) {
+ continue;
+ }
+
+ gBS->HandleProtocol (
+ FvHandleBuffer[Index],
+ &gEfiFirmwareVolume2ProtocolGuid,
+ (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);
+ }
+
+ 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;
+}
+
+
+/**
+ Build the boot option with the handle parsed in
+
+ @param Handle The handle which present the device path to create
+ boot option
+ @param BdsBootOptionList The header of the link list which indexed all
+ current boot options
+
+ @return VOID
+
+**/
+VOID
+EFIAPI
+BdsLibBuildOptionFromHandle (
+ IN EFI_HANDLE Handle,
+ IN LIST_ENTRY *BdsBootOptionList,
+ IN CHAR16 *String
+ )
+{
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+
+ DevicePath = DevicePathFromHandle (Handle);
+
+ //
+ // Create and register new boot option
+ //
+ BdsLibRegisterNewOption (BdsBootOptionList, DevicePath, String, L"BootOrder");
+}
+
+
+/**
+ Build the on flash shell boot option with the handle parsed in
+
+ @param Handle The handle which present the device path to create
+ on flash shell boot option
+ @param BdsBootOptionList The header of the link list which indexed all
+ current boot options
+
+ @return None
+
+**/
+VOID
+EFIAPI
+BdsLibBuildOptionFromShell (
+ IN EFI_HANDLE Handle,
+ IN OUT LIST_ENTRY *BdsBootOptionList
+ )
+{
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ MEDIA_FW_VOL_FILEPATH_DEVICE_PATH ShellNode;
+
+ DevicePath = DevicePathFromHandle (Handle);
+
+ //
+ // Build the shell device path
+ //
+ EfiInitializeFwVolDevicepathNode (&ShellNode, &gEfiShellFileGuid);
+ //
+ //ShellNode.Header.Type = MEDIA_DEVICE_PATH;
+ //ShellNode.Header.SubType = MEDIA_FV_FILEPATH_DP;
+ //SetDevicePathNodeLength (&ShellNode.Header, sizeof (MEDIA_FW_VOL_FILEPATH_DEVICE_PATH));
+ //CopyMem (&ShellNode.NameGuid, &gEfiShellFileGuid, sizeof (EFI_GUID));
+ //
+ DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *) &ShellNode);
+
+ //
+ // Create and register the shell boot option
+ //
+ BdsLibRegisterNewOption (BdsBootOptionList, DevicePath, L"EFI Internal Shell", L"BootOrder");
+
+}
+
+
+/**
+ Boot from the EFI1.1 spec defined "BootNext" variable
+
+**/
+VOID
+EFIAPI
+BdsLibBootNext (
+ VOID
+ )
+{
+ 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);
+ }
+
+}
+
+
+
+/**
+ Return the bootable media handle.
+ First, check the device is connected
+ Second, check whether the device path point to a device which support SimpleFileSystemProtocol,
+ Third, detect the the default boot file in the Media, and return the removable Media handle.
+
+ @param DevicePath Device Path to a bootable device
+
+ @retval NULL The device path points to an EFI bootable Media
+ @retval NULL The media on the DevicePath is not bootable
+
+**/
+EFI_HANDLE
+EFIAPI
+BdsLibGetBootableHandle (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
+ )
+{
+ EFI_STATUS Status;
+ EFI_DEVICE_PATH_PROTOCOL *UpdatedDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *DupDevicePath;
+ EFI_HANDLE Handle;
+ EFI_BLOCK_IO_PROTOCOL *BlockIo;
+ VOID *Buffer;
+ EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;
+ UINTN Size;
+ UINTN TempSize;
+ EFI_HANDLE ReturnHandle;
+ EFI_HANDLE *SimpleFileSystemHandles;
+
+ UINTN NumberSimpleFileSystemHandles;
+ UINTN Index;
+ EFI_IMAGE_DOS_HEADER DosHeader;
+ EFI_IMAGE_OPTIONAL_HEADER_UNION HdrData;
+ EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr;
+
+ UpdatedDevicePath = DevicePath;
+ //
+ // Check whether the device is connected
+ //
+ Status = gBS->LocateDevicePath (&gEfiBlockIoProtocolGuid, &UpdatedDevicePath, &Handle);
+ if (EFI_ERROR (Status)) {
+ //
+ // Skip the case that the boot option point to a simple file protocol which does not consume block Io protocol,
+ //
+ Status = gBS->LocateDevicePath (&gEfiSimpleFileSystemProtocolGuid, &UpdatedDevicePath, &Handle);
+ if (EFI_ERROR (Status)) {
+ //
+ // Fail to find the proper BlockIo and simple file protocol, maybe because device not present, we need to connect it firstly
+ //
+ UpdatedDevicePath = DevicePath;
+ Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid, &UpdatedDevicePath, &Handle);
+ gBS->ConnectController (Handle, NULL, NULL, TRUE);
+ }
+ } else {
+ //
+ // Get BlockIo protocal and check removable attribute
+ //
+ Status = gBS->HandleProtocol (Handle, &gEfiBlockIoProtocolGuid, (VOID **)&BlockIo);
+ //
+ // 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.
+ //
+ Buffer = AllocatePool (BlockIo->Media->BlockSize);
+ if (Buffer != NULL) {
+ BlockIo->ReadBlocks (
+ BlockIo,
+ BlockIo->Media->MediaId,
+ 0,
+ BlockIo->Media->BlockSize,
+ Buffer
+ );
+ gBS->FreePool (Buffer);
+ }
+ }
+
+ //
+ // Detect the the default boot file from removable Media
+ //
+
+ //
+ // If fail to get bootable handle specified by a USB boot option, the BDS should try to find other bootable device in the same USB bus
+ // Try to locate the USB node device path first, if fail then use its previour PCI node to search
+ //
+ DupDevicePath = DuplicateDevicePath (DevicePath);
+ UpdatedDevicePath = DupDevicePath;
+ Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid, &UpdatedDevicePath, &Handle);
+ //
+ // if the resulting device path point to a usb node, and the usb node is a dummy node, should only let device path only point to the previous Pci node
+ // Acpi()/Pci()/Usb() --> Acpi()/Pci()
+ //
+ if ((DevicePathType (UpdatedDevicePath) == MESSAGING_DEVICE_PATH) &&
+ (DevicePathSubType (UpdatedDevicePath) == MSG_USB_DP)) {
+ //
+ // Remove the usb node, let the device path only point to PCI node
+ //
+ SetDevicePathEndNode (UpdatedDevicePath);
+ UpdatedDevicePath = DupDevicePath;
+ } else {
+ UpdatedDevicePath = DevicePath;
+ }
+
+ //
+ // Get the device path size of boot option
+ //
+ Size = GetDevicePathSize(UpdatedDevicePath) - sizeof (EFI_DEVICE_PATH_PROTOCOL); // minus the end node
+ ReturnHandle = NULL;
+ gBS->LocateHandleBuffer (
+ ByProtocol,
+ &gEfiSimpleFileSystemProtocolGuid,
+ NULL,
+ &NumberSimpleFileSystemHandles,
+ &SimpleFileSystemHandles
+ );
+ for (Index = 0; Index < NumberSimpleFileSystemHandles; Index++) {
+ //
+ // Get the device path size of SimpleFileSystem handle
+ //
+ TempDevicePath = DevicePathFromHandle (SimpleFileSystemHandles[Index]);
+ TempSize = GetDevicePathSize (TempDevicePath)- sizeof (EFI_DEVICE_PATH_PROTOCOL); // minus the end node
+ //
+ // Check whether the device path of boot option is part of the SimpleFileSystem handle's device path
+ //
+ if (Size <= TempSize && CompareMem (TempDevicePath, UpdatedDevicePath, Size)==0) {
+ //
+ // Load the default boot file \EFI\BOOT\boot{machinename}.EFI from removable Media
+ // machinename is ia32, ia64, x64, ...
+ //
+ Hdr.Union = &HdrData;
+ Status = BdsLibGetImageHeader (
+ SimpleFileSystemHandles[Index],
+ DEFAULT_REMOVABLE_FILE_NAME,
+ &DosHeader,
+ Hdr
+ );
+ if (!EFI_ERROR (Status) &&
+ EFI_IMAGE_MACHINE_TYPE_SUPPORTED (Hdr.Pe32->FileHeader.Machine) &&
+ Hdr.Pe32->OptionalHeader.Subsystem == EFI_IMAGE_SUBSYSTEM_EFI_APPLICATION) {
+ ReturnHandle = SimpleFileSystemHandles[Index];
+ break;
+ }
+ }
+ }
+
+ if (DupDevicePath != NULL) {
+ SafeFreePool(DupDevicePath);
+ }
+ if (SimpleFileSystemHandles !=NULL ) {
+ gBS->FreePool (SimpleFileSystemHandles);
+ }
+
+ return ReturnHandle;
+}
+
+
+
+
+/**
+ Check to see if the network cable is plugged in. If the DevicePath is not
+ connected it will be connected.
+
+ @param DevicePath Device Path to check
+
+ @retval TRUE DevicePath points to an Network that is connected
+ @retval FALSE DevicePath does not point to a bootable network
+
+**/
+BOOLEAN
+BdsLibNetworkBootWithMediaPresent (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
+ )
+{
+ EFI_STATUS Status;
+ EFI_DEVICE_PATH_PROTOCOL *UpdatedDevicePath;
+ EFI_HANDLE Handle;
+ EFI_SIMPLE_NETWORK_PROTOCOL *Snp;
+ BOOLEAN MediaPresent;
+
+ MediaPresent = FALSE;
+
+ UpdatedDevicePath = DevicePath;
+ Status = gBS->LocateDevicePath (&gEfiSimpleNetworkProtocolGuid, &UpdatedDevicePath, &Handle);
+ if (EFI_ERROR (Status)) {
+ //
+ // Device not present so see if we need to connect it
+ //
+ Status = BdsLibConnectDevicePath (DevicePath);
+ if (!EFI_ERROR (Status)) {
+ //
+ // This one should work after we did the connect
+ //
+ Status = gBS->LocateDevicePath (&gEfiSimpleNetworkProtocolGuid, &UpdatedDevicePath, &Handle);
+ }
+ }
+
+ if (!EFI_ERROR (Status)) {
+ Status = gBS->HandleProtocol (Handle, &gEfiSimpleNetworkProtocolGuid, (VOID **)&Snp);
+ if (!EFI_ERROR (Status)) {
+ if (Snp->Mode->MediaPresentSupported) {
+ if (Snp->Mode->State == EfiSimpleNetworkInitialized) {
+ //
+ // In case some one else is using the SNP check to see if it's connected
+ //
+ MediaPresent = Snp->Mode->MediaPresent;
+ } else {
+ //
+ // No one is using SNP so we need to Start and Initialize so
+ // MediaPresent will be valid.
+ //
+ Status = Snp->Start (Snp);
+ if (!EFI_ERROR (Status)) {
+ Status = Snp->Initialize (Snp, 0, 0);
+ if (!EFI_ERROR (Status)) {
+ MediaPresent = Snp->Mode->MediaPresent;
+ Snp->Shutdown (Snp);
+ }
+ Snp->Stop (Snp);
+ }
+ }
+ } else {
+ MediaPresent = TRUE;
+ }
+ }
+ }
+
+ return MediaPresent;
+}
+
+
+
+/**
+ For a bootable Device path, return its boot type
+
+ @param DevicePath The bootable device Path to check
+
+ @retval BDS_EFI_MEDIA_HD_BOOT If the device path contains any media deviec path node, it is media boot type
+ For the floppy node, handle it as media node
+ @retval BDS_EFI_MEDIA_CDROM_BOOT If the device path contains any media deviec path node, it is media boot type
+ For the floppy node, handle it as media node
+ @retval BDS_EFI_ACPI_FLOPPY_BOOT If the device path contains any media deviec path node, it is media boot type
+ For the floppy node, handle it as media node
+ @retval BDS_EFI_MESSAGE_ATAPI_BOOT If the device path not contains any media deviec path node, and
+ its last device path node point to a message device path node, it is
+
+ @retval BDS_EFI_MESSAGE_SCSI_BOOT If the device path not contains any media deviec path node, and
+ its last device path node point to a message device path node, it is
+ @retval BDS_EFI_MESSAGE_USB_DEVICE_BOOT If the device path not contains any media deviec path node, and
+ its last device path node point to a message device path node, it is
+ @retval BDS_EFI_MESSAGE_MISC_BOOT If the device path not contains any media deviec path node, and
+ its last device path node point to a message device path node, it is
+ @retval BDS_LEGACY_BBS_BOOT Legacy boot type
+ @retval BDS_EFI_UNSUPPORT An EFI Removable BlockIO device path not point to a media and message devie,
+
+**/
+UINT32
+EFIAPI
+BdsGetBootTypeFromDevicePath (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
+ )
+{
+ ACPI_HID_DEVICE_PATH *Acpi;
+ EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *LastDeviceNode;
+
+
+ if (NULL == DevicePath) {
+ return BDS_EFI_UNSUPPORT;
+ }
+
+ TempDevicePath = DevicePath;
+
+ while (!IsDevicePathEndType (TempDevicePath)) {
+ switch (DevicePathType (TempDevicePath)) {
+ case BBS_DEVICE_PATH:
+ return BDS_LEGACY_BBS_BOOT;
+ case MEDIA_DEVICE_PATH:
+ if (DevicePathSubType (TempDevicePath) == MEDIA_HARDDRIVE_DP) {
+ return BDS_EFI_MEDIA_HD_BOOT;
+ } else if (DevicePathSubType (TempDevicePath) == MEDIA_CDROM_DP) {
+ return BDS_EFI_MEDIA_CDROM_BOOT;
+ }
+ break;
+ case ACPI_DEVICE_PATH:
+ Acpi = (ACPI_HID_DEVICE_PATH *) TempDevicePath;
+ if (EISA_ID_TO_NUM (Acpi->HID) == 0x0604) {
+ return BDS_EFI_ACPI_FLOPPY_BOOT;
+ }
+ break;
+ case MESSAGING_DEVICE_PATH:
+ //
+ // if the device path not only point to driver device, it is not a messaging device path.
+ //
+ LastDeviceNode = NextDevicePathNode (TempDevicePath);
+ if (!IsDevicePathEndType (LastDeviceNode)) {
+ break;
+ }
+
+ if (DevicePathSubType(TempDevicePath) == MSG_ATAPI_DP) {
+ return BDS_EFI_MESSAGE_ATAPI_BOOT;
+ } else if (DevicePathSubType(TempDevicePath) == MSG_USB_DP) {
+ return BDS_EFI_MESSAGE_USB_DEVICE_BOOT;
+ } else if (DevicePathSubType(TempDevicePath) == MSG_SCSI_DP) {
+ return BDS_EFI_MESSAGE_SCSI_BOOT;
+ }
+ return BDS_EFI_MESSAGE_MISC_BOOT;
+ default:
+ break;
+ }
+ TempDevicePath = NextDevicePathNode (TempDevicePath);
+ }
+
+ return BDS_EFI_UNSUPPORT;
+}
+
+
+/**
+ Check whether the Device path in a boot option point to a valide bootable device,
+ And if CheckMedia is true, check the device is ready to boot now.
+
+ DevPath -- the Device path in a boot option
+ CheckMedia -- if true, check the device is ready to boot now.
+
+ @return TRUE -- the Device path is valide
+ @return FALSE -- the Device path is invalide .
+
+**/
+BOOLEAN
+EFIAPI
+BdsLibIsValidEFIBootOptDevicePath (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevPath,
+ IN BOOLEAN CheckMedia
+ )
+{
+ EFI_STATUS Status;
+ EFI_HANDLE Handle;
+ EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *LastDeviceNode;
+ EFI_BLOCK_IO_PROTOCOL *BlockIo;
+
+ TempDevicePath = DevPath;
+ LastDeviceNode = DevPath;
+ //
+ // Check if it's a valid boot option for network boot device
+ // Only check if there is SimpleNetworkProtocol installed. If yes, that means
+ // there is the network card there.
+ //
+ Status = gBS->LocateDevicePath (
+ &gEfiSimpleNetworkProtocolGuid,
+ &TempDevicePath,
+ &Handle
+ );
+ if (EFI_ERROR (Status)) {
+ //
+ // Device not present so see if we need to connect it
+ //
+ TempDevicePath = DevPath;
+ BdsLibConnectDevicePath (TempDevicePath);
+ Status = gBS->LocateDevicePath (
+ &gEfiSimpleNetworkProtocolGuid,
+ &TempDevicePath,
+ &Handle
+ );
+ }
+ if (!EFI_ERROR (Status)) {
+ if (CheckMedia) {
+ //
+ // Test if it is ready to boot now
+ //
+ if (BdsLibNetworkBootWithMediaPresent(DevPath)) {
+ return TRUE;
+ }
+ } else {
+ return TRUE;
+ }
+ }
+
+ //
+ // If the boot option point to a file, it is a valid EFI boot option,
+ // and assume it is ready to boot now
+ //
+ while (!EfiIsDevicePathEnd (TempDevicePath)) {
+ LastDeviceNode = TempDevicePath;
+ TempDevicePath = EfiNextDevicePathNode (TempDevicePath);
+ }
+ if ((DevicePathType (LastDeviceNode) == MEDIA_DEVICE_PATH) &&
+ (DevicePathSubType (LastDeviceNode) == MEDIA_FILEPATH_DP)) {
+ return TRUE;
+ }
+
+ //
+ // If the boot option point to a internal Shell, it is a valid EFI boot option,
+ // and assume it is ready to boot now
+ //
+ if (EfiGetNameGuidFromFwVolDevicePathNode ((MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *) LastDeviceNode) != NULL) {
+ return TRUE;
+ }
+
+ //
+ // If the boot option point to a blockIO device, no matter whether or not it is a removeable device, it is a valid EFI boot option
+ //
+ TempDevicePath = DevPath;
+ Status = gBS->LocateDevicePath (&gEfiBlockIoProtocolGuid, &TempDevicePath, &Handle);
+ if (EFI_ERROR (Status)) {
+ //
+ // Device not present so see if we need to connect it
+ //
+ Status = BdsLibConnectDevicePath (DevPath);
+ if (!EFI_ERROR (Status)) {
+ //
+ // Try again to get the Block Io protocol after we did the connect
+ //
+ TempDevicePath = DevPath;
+ Status = gBS->LocateDevicePath (&gEfiBlockIoProtocolGuid, &TempDevicePath, &Handle);
+ }
+ }
+ if (!EFI_ERROR (Status)) {
+ Status = gBS->HandleProtocol (Handle, &gEfiBlockIoProtocolGuid, (VOID **)&BlockIo);
+ if (!EFI_ERROR (Status)) {
+ if (CheckMedia) {
+ //
+ // Test if it is ready to boot now
+ //
+ if (BdsLibGetBootableHandle (DevPath) != NULL) {
+ return TRUE;
+ }
+ } else {
+ return TRUE;
+ }
+ }
+ } else {
+ //
+ // if the boot option point to a simple file protocol which does not consume block Io protocol, it is also a valid EFI boot option,
+ //
+ Status = gBS->LocateDevicePath (&gEfiSimpleFileSystemProtocolGuid, &TempDevicePath, &Handle);
+ if (!EFI_ERROR (Status)) {
+ if (CheckMedia) {
+ //
+ // Test if it is ready to boot now
+ //
+ if (BdsLibGetBootableHandle (DevPath) != NULL) {
+ return TRUE;
+ }
+ } else {
+ return TRUE;
+ }
+ }
+ }
+
+ return FALSE;
+}
+
+
+/**
+ According to a file guild, check a Fv file device path is valid. If it is invalid,
+ try to return the valid device path.
+ FV address maybe changes for memory layout adjust from time to time, use this funciton
+ could promise the Fv file device path is right.
+
+ @param DevicePath on input, the Fv file device path need to check on
+ output, the updated valid Fv file device path
+ @param FileGuid the Fv file guild
+
+ @retval EFI_INVALID_PARAMETER the input DevicePath or FileGuid is invalid
+ parameter
+ @retval EFI_UNSUPPORTED the input DevicePath does not contain Fv file
+ guild at all
+ @retval EFI_ALREADY_STARTED the input DevicePath has pointed to Fv file, it is
+ valid
+ @retval EFI_SUCCESS has successfully updated the invalid DevicePath,
+ and return the updated device path in DevicePath
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibUpdateFvFileDevicePath (
+ IN OUT EFI_DEVICE_PATH_PROTOCOL ** DevicePath,
+ IN EFI_GUID *FileGuid
+ )
+{
+ EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *LastDeviceNode;
+ EFI_STATUS Status;
+ EFI_GUID *GuidPoint;
+ UINTN Index;
+ UINTN FvHandleCount;
+ EFI_HANDLE *FvHandleBuffer;
+ EFI_FV_FILETYPE Type;
+ UINTN Size;
+ EFI_FV_FILE_ATTRIBUTES Attributes;
+ UINT32 AuthenticationStatus;
+ BOOLEAN FindFvFile;
+ EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;
+ EFI_FIRMWARE_VOLUME2_PROTOCOL *Fv;
+ MEDIA_FW_VOL_FILEPATH_DEVICE_PATH FvFileNode;
+ EFI_HANDLE FoundFvHandle;
+ EFI_DEVICE_PATH_PROTOCOL *NewDevicePath;
+
+ if ((DevicePath == NULL) || (*DevicePath == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+ if (FileGuid == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+ //
+ // Check whether the device path point to the default the input Fv file
+ //
+ TempDevicePath = *DevicePath;
+ LastDeviceNode = TempDevicePath;
+ while (!EfiIsDevicePathEnd (TempDevicePath)) {
+ LastDeviceNode = TempDevicePath;
+ TempDevicePath = EfiNextDevicePathNode (TempDevicePath);
+ }
+ GuidPoint = EfiGetNameGuidFromFwVolDevicePathNode (
+ (MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *) LastDeviceNode
+ );
+ if (GuidPoint == NULL) {
+ //
+ // if this option does not points to a Fv file, just return EFI_UNSUPPORTED
+ //
+ return EFI_UNSUPPORTED;
+ }
+ if (!CompareGuid (GuidPoint, FileGuid)) {
+ //
+ // If the Fv file is not the input file guid, just return EFI_UNSUPPORTED
+ //
+ return EFI_UNSUPPORTED;
+ }
+
+ //
+ // Check whether the input Fv file device path is valid
+ //
+ TempDevicePath = *DevicePath;
+ FoundFvHandle = NULL;
+ Status = gBS->LocateDevicePath (
+ &gEfiFirmwareVolume2ProtocolGuid,
+ &TempDevicePath,
+ &FoundFvHandle
+ );
+ if (!EFI_ERROR (Status)) {
+ Status = gBS->HandleProtocol (
+ FoundFvHandle,
+ &gEfiFirmwareVolume2ProtocolGuid,
+ (VOID **) &Fv
+ );
+ if (!EFI_ERROR (Status)) {
+ //
+ // Set FV ReadFile Buffer as NULL, only need to check whether input Fv file exist there
+ //
+ Status = Fv->ReadFile (
+ Fv,
+ FileGuid,
+ NULL,
+ &Size,
+ &Type,
+ &Attributes,
+ &AuthenticationStatus
+ );
+ if (!EFI_ERROR (Status)) {
+ return EFI_ALREADY_STARTED;
+ }
+ }
+ }
+
+ //
+ // Look for the input wanted FV file in current FV
+ // First, try to look for in Bds own FV. Bds and input wanted FV file usually are in the same FV
+ //
+ FindFvFile = FALSE;
+ FoundFvHandle = NULL;
+ Status = gBS->HandleProtocol (
+ mBdsImageHandle,
+ &gEfiLoadedImageProtocolGuid,
+ (VOID **) &LoadedImage
+ );
+ if (!EFI_ERROR (Status)) {
+ Status = gBS->HandleProtocol (
+ LoadedImage->DeviceHandle,
+ &gEfiFirmwareVolume2ProtocolGuid,
+ (VOID **) &Fv
+ );
+ if (!EFI_ERROR (Status)) {
+ Status = Fv->ReadFile (
+ Fv,
+ FileGuid,
+ NULL,
+ &Size,
+ &Type,
+ &Attributes,
+ &AuthenticationStatus
+ );
+ if (!EFI_ERROR (Status)) {
+ FindFvFile = TRUE;
+ FoundFvHandle = LoadedImage->DeviceHandle;
+ }
+ }
+ }
+ //
+ // Second, if fail to find, try to enumerate all FV
+ //
+ if (!FindFvFile) {
+ gBS->LocateHandleBuffer (
+ ByProtocol,
+ &gEfiFirmwareVolume2ProtocolGuid,
+ NULL,
+ &FvHandleCount,
+ &FvHandleBuffer
+ );
+ for (Index = 0; Index < FvHandleCount; Index++) {
+ gBS->HandleProtocol (
+ FvHandleBuffer[Index],
+ &gEfiFirmwareVolume2ProtocolGuid,
+ (VOID **) &Fv
+ );
+
+ Status = Fv->ReadFile (
+ Fv,
+ FileGuid,
+ NULL,
+ &Size,
+ &Type,
+ &Attributes,
+ &AuthenticationStatus
+ );
+ if (EFI_ERROR (Status)) {
+ //
+ // Skip if input Fv file not in the FV
+ //
+ continue;
+ }
+ FindFvFile = TRUE;
+ FoundFvHandle = FvHandleBuffer[Index];
+ break;
+ }
+ }
+
+ if (FindFvFile) {
+ //
+ // Build the shell device path
+ //
+ NewDevicePath = DevicePathFromHandle (FoundFvHandle);
+ EfiInitializeFwVolDevicepathNode (&FvFileNode, FileGuid);
+ NewDevicePath = AppendDevicePathNode (NewDevicePath, (EFI_DEVICE_PATH_PROTOCOL *) &FvFileNode);
+ *DevicePath = NewDevicePath;
+ return EFI_SUCCESS;
+ }
+ return EFI_NOT_FOUND;
+}
diff --git a/MdeModulePkg/Library/GenericBdsLib/BdsConnect.c b/MdeModulePkg/Library/GenericBdsLib/BdsConnect.c index 54a650dcea..50675429c3 100644 --- a/MdeModulePkg/Library/GenericBdsLib/BdsConnect.c +++ b/MdeModulePkg/Library/GenericBdsLib/BdsConnect.c @@ -1,422 +1,408 @@ -/** @file - -Copyright (c) 2004 - 2007, 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: - - BdsConnect.c - -Abstract: - - BDS Lib functions which relate with connect the device - - -**/ - -#include "InternalBdsLib.h" - - -/** - This function will connect all the system driver to controller - first, and then special connect the default console, this make - sure all the system controller avialbe and the platform default - console connected. - - None - - @return None - -**/ -VOID -BdsLibConnectAll ( - VOID - ) -{ - // - // Connect the platform console first - // - BdsLibConnectAllDefaultConsoles (); - - // - // Generic way to connect all the drivers - // - BdsLibConnectAllDriversToAllControllers (); - - // - // Here we have the assumption that we have already had - // platform default console - // - BdsLibConnectAllDefaultConsoles (); -} - - -/** - This function will connect all the system drivers to all controllers - first, and then connect all the console devices the system current - have. After this we should get all the device work and console avariable - if the system have console device. - - None - - @return None - -**/ -VOID -BdsLibGenericConnectAll ( - VOID - ) -{ - // - // Most generic way to connect all the drivers - // - BdsLibConnectAllDriversToAllControllers (); - BdsLibConnectAllConsoles (); -} - - -/** - This function will create all handles associate with every device - path node. If the handle associate with one device path node can not - be created success, then still give one chance to do the dispatch, - which load the missing drivers if possible. - - @param DevicePathToConnect The device path which will be connected, it can be - a multi-instance device path - - @retval EFI_SUCCESS All handles associate with every device path node - have been created - @retval EFI_OUT_OF_RESOURCES There is no resource to create new handles - @retval EFI_NOT_FOUND Create the handle associate with one device path - node failed - -**/ -EFI_STATUS -BdsLibConnectDevicePath ( - IN EFI_DEVICE_PATH_PROTOCOL *DevicePathToConnect - ) -{ - EFI_STATUS Status; - EFI_DEVICE_PATH_PROTOCOL *DevicePath; - EFI_DEVICE_PATH_PROTOCOL *CopyOfDevicePath; - EFI_DEVICE_PATH_PROTOCOL *Instance; - EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath; - EFI_DEVICE_PATH_PROTOCOL *Next; - EFI_HANDLE Handle; - EFI_HANDLE PreviousHandle; - UINTN Size; - - if (DevicePathToConnect == NULL) { - return EFI_SUCCESS; - } - - DevicePath = DuplicateDevicePath (DevicePathToConnect); - CopyOfDevicePath = DevicePath; - if (DevicePath == NULL) { - return EFI_OUT_OF_RESOURCES; - } - - do { - // - // The outer loop handles multi instance device paths. - // Only console variables contain multiple instance device paths. - // - // After this call DevicePath points to the next Instance - // - Instance = GetNextDevicePathInstance (&DevicePath, &Size); - Next = Instance; - while (!IsDevicePathEndType (Next)) { - Next = NextDevicePathNode (Next); - } - - SetDevicePathEndNode (Next); - - // - // Start the real work of connect with RemainingDevicePath - // - PreviousHandle = NULL; - do { - // - // Find the handle that best matches the Device Path. If it is only a - // partial match the remaining part of the device path is returned in - // RemainingDevicePath. - // - RemainingDevicePath = Instance; - Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid, &RemainingDevicePath, &Handle); - - if (!EFI_ERROR (Status)) { - if (Handle == PreviousHandle) { - // - // If no forward progress is made try invoking the Dispatcher. - // A new FV may have been added to the system an new drivers - // may now be found. - // Status == EFI_SUCCESS means a driver was dispatched - // Status == EFI_NOT_FOUND means no new drivers were dispatched - // - Status = gDS->Dispatch (); - } - - if (!EFI_ERROR (Status)) { - PreviousHandle = Handle; - // - // Connect all drivers that apply to Handle and RemainingDevicePath, - // the Recursive flag is FALSE so only one level will be expanded. - // - // Do not check the connect status here, if the connect controller fail, - // then still give the chance to do dispatch, because partial - // RemainingDevicepath may be in the new FV - // - // 1. If the connect fail, RemainingDevicepath and handle will not - // change, so next time will do the dispatch, then dispatch's status - // will take effect - // 2. If the connect success, the RemainingDevicepath and handle will - // change, then avoid the dispatch, we have chance to continue the - // next connection - // - gBS->ConnectController (Handle, NULL, RemainingDevicePath, FALSE); - } - } - // - // Loop until RemainingDevicePath is an empty device path - // - } while (!EFI_ERROR (Status) && !IsDevicePathEnd (RemainingDevicePath)); - - } while (DevicePath != NULL); - - if (CopyOfDevicePath != NULL) { - gBS->FreePool (CopyOfDevicePath); - } - // - // All handle with DevicePath exists in the handle database - // - return Status; -} - - -/** - This function will connect all current system handles recursively. The - connection will finish until every handle's child handle created if it have. - - None - - @retval EFI_SUCCESS All handles and it's child handle have been - connected - @retval EFI_STATUS Return the status of gBS->LocateHandleBuffer(). - -**/ -EFI_STATUS -BdsLibConnectAllEfi ( - VOID - ) -{ - EFI_STATUS Status; - UINTN HandleCount; - EFI_HANDLE *HandleBuffer; - UINTN Index; - - Status = gBS->LocateHandleBuffer ( - AllHandles, - NULL, - NULL, - &HandleCount, - &HandleBuffer - ); - if (EFI_ERROR (Status)) { - return Status; - } - - for (Index = 0; Index < HandleCount; Index++) { - Status = gBS->ConnectController (HandleBuffer[Index], NULL, NULL, TRUE); - } - - gBS->FreePool (HandleBuffer); - - return EFI_SUCCESS; -} - - -/** - This function will disconnect all current system handles. The disconnection - will finish until every handle have been disconnected. - - None - - @retval EFI_SUCCESS All handles have been disconnected - @retval EFI_STATUS Return the status of gBS->LocateHandleBuffer(). - -**/ -EFI_STATUS -BdsLibDisconnectAllEfi ( - VOID - ) -{ - EFI_STATUS Status; - UINTN HandleCount; - EFI_HANDLE *HandleBuffer; - UINTN Index; - - // - // Disconnect all - // - Status = gBS->LocateHandleBuffer ( - AllHandles, - NULL, - NULL, - &HandleCount, - &HandleBuffer - ); - if (EFI_ERROR (Status)) { - return Status; - } - - for (Index = 0; Index < HandleCount; Index++) { - Status = gBS->DisconnectController (HandleBuffer[Index], NULL, NULL); - } - - gBS->FreePool (HandleBuffer); - - return EFI_SUCCESS; -} - - -/** - Connects all drivers to all controllers. - This function make sure all the current system driver will manage - the correspoinding controllers if have. And at the same time, make - sure all the system controllers have driver to manage it if have. - - None - - @return None - -**/ -VOID -BdsLibConnectAllDriversToAllControllers ( - VOID - ) -{ - EFI_STATUS Status; - - do { - // - // Connect All EFI 1.10 drivers following EFI 1.10 algorithm - // - BdsLibConnectAllEfi (); - - // - // Check to see if it's possible to dispatch an more DXE drivers. - // The BdsLibConnectAllEfi () may have made new DXE drivers show up. - // If anything is Dispatched Status == EFI_SUCCESS and we will try - // the connect again. - // - Status = gDS->Dispatch (); - - } while (!EFI_ERROR (Status)); - -} - - -/** - Connect the specific Usb device which match the short form device path, - and whose bus is determined by Host Controller (Uhci or Ehci) - - @param HostControllerPI Uhci (0x00) or Ehci (0x20) or Both uhci and ehci - (0xFF) - @param RemainingDevicePath a short-form device path that starts with the first - element being a USB WWID or a USB Class device - path - - @return EFI_INVALID_PARAMETER - @return EFI_SUCCESS - @return EFI_NOT_FOUND - -**/ -EFI_STATUS -BdsLibConnectUsbDevByShortFormDP( - IN UINT8 HostControllerPI, - IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath - ) -{ - EFI_STATUS Status; - EFI_HANDLE *HandleArray; - UINTN HandleArrayCount; - UINTN Index; - EFI_PCI_IO_PROTOCOL *PciIo; - UINT8 Class[3]; - BOOLEAN AtLeastOneConnected; - - // - // Check the passed in parameters - // - if (RemainingDevicePath == NULL) { - return EFI_INVALID_PARAMETER; - } - - if ((DevicePathType (RemainingDevicePath) != MESSAGING_DEVICE_PATH) || - ((DevicePathSubType (RemainingDevicePath) != MSG_USB_CLASS_DP) - && (DevicePathSubType (RemainingDevicePath) != MSG_USB_WWID_DP) - )) { - return EFI_INVALID_PARAMETER; - } - - if (HostControllerPI != 0xFF && - HostControllerPI != 0x00 && - HostControllerPI != 0x20) { - return EFI_INVALID_PARAMETER; - } - - // - // Find the usb host controller firstly, then connect with the remaining device path - // - AtLeastOneConnected = FALSE; - Status = gBS->LocateHandleBuffer ( - ByProtocol, - &gEfiPciIoProtocolGuid, - NULL, - &HandleArrayCount, - &HandleArray - ); - if (!EFI_ERROR (Status)) { - for (Index = 0; Index < HandleArrayCount; Index++) { - Status = gBS->HandleProtocol ( - HandleArray[Index], - &gEfiPciIoProtocolGuid, - (VOID **)&PciIo - ); - if (!EFI_ERROR (Status)) { - // - // Check whether the Pci device is the wanted usb host controller - // - Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint8, 0x09, 3, &Class); - if (!EFI_ERROR (Status)) { - if ((PCI_CLASS_SERIAL == Class[2]) && - (PCI_CLASS_SERIAL_USB == Class[1])) { - if (HostControllerPI == Class[0] || HostControllerPI == 0xFF) { - Status = gBS->ConnectController ( - HandleArray[Index], - NULL, - RemainingDevicePath, - FALSE - ); - if (!EFI_ERROR(Status)) { - AtLeastOneConnected = TRUE; - } - } - } - } - } - } - - if (AtLeastOneConnected) { - return EFI_SUCCESS; - } - } - - return EFI_NOT_FOUND; -} +/** @file
+ BDS Lib functions which relate with connect the device
+
+Copyright (c) 2004 - 2008, Intel Corporation. <BR>
+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.
+
+**/
+
+#include "InternalBdsLib.h"
+
+
+/**
+ This function will connect all the system driver to controller
+ first, and then special connect the default console, this make
+ sure all the system controller avialbe and the platform default
+ console connected.
+
+**/
+VOID
+EFIAPI
+BdsLibConnectAll (
+ VOID
+ )
+{
+ //
+ // Connect the platform console first
+ //
+ BdsLibConnectAllDefaultConsoles ();
+
+ //
+ // Generic way to connect all the drivers
+ //
+ BdsLibConnectAllDriversToAllControllers ();
+
+ //
+ // Here we have the assumption that we have already had
+ // platform default console
+ //
+ BdsLibConnectAllDefaultConsoles ();
+}
+
+
+/**
+ This function will connect all the system drivers to all controllers
+ first, and then connect all the console devices the system current
+ have. After this we should get all the device work and console avariable
+ if the system have console device.
+
+ None
+
+ @return None
+
+**/
+VOID
+BdsLibGenericConnectAll (
+ VOID
+ )
+{
+ //
+ // Most generic way to connect all the drivers
+ //
+ BdsLibConnectAllDriversToAllControllers ();
+ BdsLibConnectAllConsoles ();
+}
+
+
+/**
+ This function will create all handles associate with every device
+ path node. If the handle associate with one device path node can not
+ be created success, then still give one chance to do the dispatch,
+ which load the missing drivers if possible.
+
+ @param DevicePathToConnect The device path which will be connected, it can be
+ a multi-instance device path
+
+ @retval EFI_SUCCESS All handles associate with every device path node
+ have been created
+ @retval EFI_OUT_OF_RESOURCES There is no resource to create new handles
+ @retval EFI_NOT_FOUND Create the handle associate with one device path
+ node failed
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibConnectDevicePath (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePathToConnect
+ )
+{
+ EFI_STATUS Status;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *CopyOfDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *Instance;
+ EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *Next;
+ EFI_HANDLE Handle;
+ EFI_HANDLE PreviousHandle;
+ UINTN Size;
+
+ if (DevicePathToConnect == NULL) {
+ return EFI_SUCCESS;
+ }
+
+ DevicePath = DuplicateDevicePath (DevicePathToConnect);
+ CopyOfDevicePath = DevicePath;
+ if (DevicePath == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ do {
+ //
+ // The outer loop handles multi instance device paths.
+ // Only console variables contain multiple instance device paths.
+ //
+ // After this call DevicePath points to the next Instance
+ //
+ Instance = GetNextDevicePathInstance (&DevicePath, &Size);
+ Next = Instance;
+ while (!IsDevicePathEndType (Next)) {
+ Next = NextDevicePathNode (Next);
+ }
+
+ SetDevicePathEndNode (Next);
+
+ //
+ // Start the real work of connect with RemainingDevicePath
+ //
+ PreviousHandle = NULL;
+ do {
+ //
+ // Find the handle that best matches the Device Path. If it is only a
+ // partial match the remaining part of the device path is returned in
+ // RemainingDevicePath.
+ //
+ RemainingDevicePath = Instance;
+ Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid, &RemainingDevicePath, &Handle);
+
+ if (!EFI_ERROR (Status)) {
+ if (Handle == PreviousHandle) {
+ //
+ // If no forward progress is made try invoking the Dispatcher.
+ // A new FV may have been added to the system an new drivers
+ // may now be found.
+ // Status == EFI_SUCCESS means a driver was dispatched
+ // Status == EFI_NOT_FOUND means no new drivers were dispatched
+ //
+ Status = gDS->Dispatch ();
+ }
+
+ if (!EFI_ERROR (Status)) {
+ PreviousHandle = Handle;
+ //
+ // Connect all drivers that apply to Handle and RemainingDevicePath,
+ // the Recursive flag is FALSE so only one level will be expanded.
+ //
+ // Do not check the connect status here, if the connect controller fail,
+ // then still give the chance to do dispatch, because partial
+ // RemainingDevicepath may be in the new FV
+ //
+ // 1. If the connect fail, RemainingDevicepath and handle will not
+ // change, so next time will do the dispatch, then dispatch's status
+ // will take effect
+ // 2. If the connect success, the RemainingDevicepath and handle will
+ // change, then avoid the dispatch, we have chance to continue the
+ // next connection
+ //
+ gBS->ConnectController (Handle, NULL, RemainingDevicePath, FALSE);
+ }
+ }
+ //
+ // Loop until RemainingDevicePath is an empty device path
+ //
+ } while (!EFI_ERROR (Status) && !IsDevicePathEnd (RemainingDevicePath));
+
+ } while (DevicePath != NULL);
+
+ if (CopyOfDevicePath != NULL) {
+ gBS->FreePool (CopyOfDevicePath);
+ }
+ //
+ // All handle with DevicePath exists in the handle database
+ //
+ return Status;
+}
+
+
+/**
+ This function will connect all current system handles recursively. The
+ connection will finish until every handle's child handle created if it have.
+
+ @retval EFI_SUCCESS All handles and it's child handle have been
+ connected
+ @retval EFI_STATUS Return the status of gBS->LocateHandleBuffer().
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibConnectAllEfi (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+ UINTN HandleCount;
+ EFI_HANDLE *HandleBuffer;
+ UINTN Index;
+
+ Status = gBS->LocateHandleBuffer (
+ AllHandles,
+ NULL,
+ NULL,
+ &HandleCount,
+ &HandleBuffer
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ for (Index = 0; Index < HandleCount; Index++) {
+ Status = gBS->ConnectController (HandleBuffer[Index], NULL, NULL, TRUE);
+ }
+
+ gBS->FreePool (HandleBuffer);
+
+ return EFI_SUCCESS;
+}
+
+
+/**
+ This function will disconnect all current system handles. The disconnection
+ will finish until every handle have been disconnected.
+
+ @retval EFI_SUCCESS All handles have been disconnected
+ @retval EFI_STATUS Return the status of gBS->LocateHandleBuffer().
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibDisconnectAllEfi (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+ UINTN HandleCount;
+ EFI_HANDLE *HandleBuffer;
+ UINTN Index;
+
+ //
+ // Disconnect all
+ //
+ Status = gBS->LocateHandleBuffer (
+ AllHandles,
+ NULL,
+ NULL,
+ &HandleCount,
+ &HandleBuffer
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ for (Index = 0; Index < HandleCount; Index++) {
+ Status = gBS->DisconnectController (HandleBuffer[Index], NULL, NULL);
+ }
+
+ gBS->FreePool (HandleBuffer);
+
+ return EFI_SUCCESS;
+}
+
+
+/**
+ Connects all drivers to all controllers.
+ This function make sure all the current system driver will manage
+ the correspoinding controllers if have. And at the same time, make
+ sure all the system controllers have driver to manage it if have.
+
+**/
+VOID
+EFIAPI
+BdsLibConnectAllDriversToAllControllers (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+
+ do {
+ //
+ // Connect All EFI 1.10 drivers following EFI 1.10 algorithm
+ //
+ BdsLibConnectAllEfi ();
+
+ //
+ // Check to see if it's possible to dispatch an more DXE drivers.
+ // The BdsLibConnectAllEfi () may have made new DXE drivers show up.
+ // If anything is Dispatched Status == EFI_SUCCESS and we will try
+ // the connect again.
+ //
+ Status = gDS->Dispatch ();
+
+ } while (!EFI_ERROR (Status));
+
+}
+
+
+/**
+ Connect the specific Usb device which match the short form device path,
+ and whose bus is determined by Host Controller (Uhci or Ehci)
+
+ @param HostControllerPI Uhci (0x00) or Ehci (0x20) or Both uhci and ehci
+ (0xFF)
+ @param RemainingDevicePath a short-form device path that starts with the first
+ element being a USB WWID or a USB Class device
+ path
+
+ @return EFI_INVALID_PARAMETER
+ @return EFI_SUCCESS
+ @return EFI_NOT_FOUND
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibConnectUsbDevByShortFormDP(
+ IN UINT8 HostControllerPI,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ )
+{
+ EFI_STATUS Status;
+ EFI_HANDLE *HandleArray;
+ UINTN HandleArrayCount;
+ UINTN Index;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ UINT8 Class[3];
+ BOOLEAN AtLeastOneConnected;
+
+ //
+ // Check the passed in parameters
+ //
+ if (RemainingDevicePath == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if ((DevicePathType (RemainingDevicePath) != MESSAGING_DEVICE_PATH) ||
+ ((DevicePathSubType (RemainingDevicePath) != MSG_USB_CLASS_DP)
+ && (DevicePathSubType (RemainingDevicePath) != MSG_USB_WWID_DP)
+ )) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (HostControllerPI != 0xFF &&
+ HostControllerPI != 0x00 &&
+ HostControllerPI != 0x20) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ //
+ // Find the usb host controller firstly, then connect with the remaining device path
+ //
+ AtLeastOneConnected = FALSE;
+ Status = gBS->LocateHandleBuffer (
+ ByProtocol,
+ &gEfiPciIoProtocolGuid,
+ NULL,
+ &HandleArrayCount,
+ &HandleArray
+ );
+ if (!EFI_ERROR (Status)) {
+ for (Index = 0; Index < HandleArrayCount; Index++) {
+ Status = gBS->HandleProtocol (
+ HandleArray[Index],
+ &gEfiPciIoProtocolGuid,
+ (VOID **)&PciIo
+ );
+ if (!EFI_ERROR (Status)) {
+ //
+ // Check whether the Pci device is the wanted usb host controller
+ //
+ Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint8, 0x09, 3, &Class);
+ if (!EFI_ERROR (Status)) {
+ if ((PCI_CLASS_SERIAL == Class[2]) &&
+ (PCI_CLASS_SERIAL_USB == Class[1])) {
+ if (HostControllerPI == Class[0] || HostControllerPI == 0xFF) {
+ Status = gBS->ConnectController (
+ HandleArray[Index],
+ NULL,
+ RemainingDevicePath,
+ FALSE
+ );
+ if (!EFI_ERROR(Status)) {
+ AtLeastOneConnected = TRUE;
+ }
+ }
+ }
+ }
+ }
+ }
+
+ if (AtLeastOneConnected) {
+ return EFI_SUCCESS;
+ }
+ }
+
+ return EFI_NOT_FOUND;
+}
diff --git a/MdeModulePkg/Library/GenericBdsLib/BdsConsole.c b/MdeModulePkg/Library/GenericBdsLib/BdsConsole.c index 53766f98a8..b8dbffb665 100644 --- a/MdeModulePkg/Library/GenericBdsLib/BdsConsole.c +++ b/MdeModulePkg/Library/GenericBdsLib/BdsConsole.c @@ -1,396 +1,386 @@ -/** @file - -Copyright (c) 2004 - 2007, 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: - - BdsConsole.c - -Abstract: - - BDS Lib functions which contain all the code to connect console device - - -**/ - -#include "InternalBdsLib.h" - -BOOLEAN -IsNvNeed ( - IN CHAR16 *ConVarName - ) -{ - CHAR16 *Ptr; - - Ptr = ConVarName; - - // - // If the variable includes "Dev" at last, we consider - // it does not support NV attribute. - // - while (*Ptr) { - Ptr++; - } - - if ((*(Ptr-3) == 'D') && (*(Ptr-2) == 'e') && (*(Ptr-1) == 'v')) { - return FALSE; - } else { - return TRUE; - } -} - - -/** - This function update console variable based on ConVarName, it can - add or remove one specific console device path from the variable - - @param ConVarName Console related variable name, ConIn, ConOut, - ErrOut. - @param CustomizedConDevicePath The console device path which will be added to - the console variable ConVarName, this parameter - can not be multi-instance. - @param ExclusiveDevicePath The console device path which will be removed - from the console variable ConVarName, this - parameter can not be multi-instance. - - @retval EFI_UNSUPPORTED Add or remove the same device path. - @retval EFI_SUCCESS Success add or remove the device path from the - console variable. - -**/ -EFI_STATUS -BdsLibUpdateConsoleVariable ( - IN CHAR16 *ConVarName, - IN EFI_DEVICE_PATH_PROTOCOL *CustomizedConDevicePath, - IN EFI_DEVICE_PATH_PROTOCOL *ExclusiveDevicePath - ) -{ - EFI_DEVICE_PATH_PROTOCOL *VarConsole; - UINTN DevicePathSize; - EFI_DEVICE_PATH_PROTOCOL *NewDevicePath; - EFI_DEVICE_PATH_PROTOCOL *TempNewDevicePath; - UINT32 Attributes; - - VarConsole = NULL; - DevicePathSize = 0; - - // - // Notes: check the device path point, here should check - // with compare memory - // - if (CustomizedConDevicePath == ExclusiveDevicePath) { - return EFI_UNSUPPORTED; - } - // - // Delete the ExclusiveDevicePath from current default console - // - VarConsole = BdsLibGetVariableAndSize ( - ConVarName, - &gEfiGlobalVariableGuid, - &DevicePathSize - ); - - // - // Initialize NewDevicePath - // - NewDevicePath = VarConsole; - - // - // If ExclusiveDevicePath is even the part of the instance in VarConsole, delete it. - // In the end, NewDevicePath is the final device path. - // - if (ExclusiveDevicePath != NULL && VarConsole != NULL) { - NewDevicePath = BdsLibDelPartMatchInstance (VarConsole, ExclusiveDevicePath); - } - // - // Try to append customized device path to NewDevicePath. - // - if (CustomizedConDevicePath != NULL) { - if (!BdsLibMatchDevicePaths (NewDevicePath, CustomizedConDevicePath)) { - // - // Check if there is part of CustomizedConDevicePath in NewDevicePath, delete it. - // - NewDevicePath = BdsLibDelPartMatchInstance (NewDevicePath, CustomizedConDevicePath); - // - // In the first check, the default console variable will be _ModuleEntryPoint, - // just append current customized device path - // - TempNewDevicePath = NewDevicePath; - NewDevicePath = AppendDevicePathInstance (NewDevicePath, CustomizedConDevicePath); - SafeFreePool(TempNewDevicePath); - } - } - - // - // The attribute for ConInDev, ConOutDev and ErrOutDev does not include NV. - // - if (IsNvNeed(ConVarName)) { - // - // ConVarName has NV attribute. - // - Attributes = EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE; - } else { - // - // ConVarName does not have NV attribute. - // - Attributes = EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS; - } - - // - // Finally, Update the variable of the default console by NewDevicePath - // - gRT->SetVariable ( - ConVarName, - &gEfiGlobalVariableGuid, - Attributes, - GetDevicePathSize (NewDevicePath), - NewDevicePath - ); - - if (VarConsole == NewDevicePath) { - SafeFreePool(VarConsole); - } else { - SafeFreePool(VarConsole); - SafeFreePool(NewDevicePath); - } - - return EFI_SUCCESS; - -} - - -/** - Connect the console device base on the variable ConVarName, if - device path of the ConVarName is multi-instance device path, if - anyone of the instances is connected success, then this function - will return success. - - @param ConVarName Console related variable name, ConIn, ConOut, - ErrOut. - - @retval EFI_NOT_FOUND There is not any console devices connected - success - @retval EFI_SUCCESS Success connect any one instance of the console - device path base on the variable ConVarName. - -**/ -EFI_STATUS -BdsLibConnectConsoleVariable ( - IN CHAR16 *ConVarName - ) -{ - EFI_STATUS Status; - EFI_DEVICE_PATH_PROTOCOL *StartDevicePath; - UINTN VariableSize; - EFI_DEVICE_PATH_PROTOCOL *Instance; - EFI_DEVICE_PATH_PROTOCOL *Next; - EFI_DEVICE_PATH_PROTOCOL *CopyOfDevicePath; - UINTN Size; - BOOLEAN DeviceExist; - - Status = EFI_SUCCESS; - DeviceExist = FALSE; - - // - // Check if the console variable exist - // - StartDevicePath = BdsLibGetVariableAndSize ( - ConVarName, - &gEfiGlobalVariableGuid, - &VariableSize - ); - if (StartDevicePath == NULL) { - return EFI_UNSUPPORTED; - } - - CopyOfDevicePath = StartDevicePath; - do { - // - // Check every instance of the console variable - // - Instance = GetNextDevicePathInstance (&CopyOfDevicePath, &Size); - Next = Instance; - while (!IsDevicePathEndType (Next)) { - Next = NextDevicePathNode (Next); - } - - SetDevicePathEndNode (Next); - // - // Check USB1.1 console - // - if ((DevicePathType (Instance) == MESSAGING_DEVICE_PATH) && - ((DevicePathSubType (Instance) == MSG_USB_CLASS_DP) - || (DevicePathSubType (Instance) == MSG_USB_WWID_DP) - )) { - // - // Check the Usb console in Usb2.0 bus firstly, then Usb1.1 bus - // - Status = BdsLibConnectUsbDevByShortFormDP (PCI_CLASSC_PI_EHCI, Instance); - if (!EFI_ERROR (Status)) { - DeviceExist = TRUE; - } - - Status = BdsLibConnectUsbDevByShortFormDP (PCI_CLASSC_PI_UHCI, Instance); - if (!EFI_ERROR (Status)) { - DeviceExist = TRUE; - } - } else { - // - // Connect the instance device path - // - Status = BdsLibConnectDevicePath (Instance); - if (EFI_ERROR (Status)) { - // - // Delete the instance from the console varialbe - // - BdsLibUpdateConsoleVariable (ConVarName, NULL, Instance); - } else { - DeviceExist = TRUE; - } - } - SafeFreePool(Instance); - } while (CopyOfDevicePath != NULL); - - gBS->FreePool (StartDevicePath); - - if (DeviceExist == FALSE) { - return EFI_NOT_FOUND; - } - - return EFI_SUCCESS; -} - - -/** - This function will search every simpletxt devive in current system, - and make every simpletxt device as pertantial console device. - - None - - @return None - -**/ -VOID -BdsLibConnectAllConsoles ( - VOID - ) -{ - UINTN Index; - EFI_DEVICE_PATH_PROTOCOL *ConDevicePath; - UINTN HandleCount; - EFI_HANDLE *HandleBuffer; - - Index = 0; - HandleCount = 0; - HandleBuffer = NULL; - ConDevicePath = NULL; - - // - // Update all the console varables - // - gBS->LocateHandleBuffer ( - ByProtocol, - &gEfiSimpleTextInProtocolGuid, - NULL, - &HandleCount, - &HandleBuffer - ); - - for (Index = 0; Index < HandleCount; Index++) { - gBS->HandleProtocol ( - HandleBuffer[Index], - &gEfiDevicePathProtocolGuid, - (VOID **) &ConDevicePath - ); - BdsLibUpdateConsoleVariable (L"ConIn", ConDevicePath, NULL); - } - - SafeFreePool(HandleBuffer); - - gBS->LocateHandleBuffer ( - ByProtocol, - &gEfiSimpleTextOutProtocolGuid, - NULL, - &HandleCount, - &HandleBuffer - ); - for (Index = 0; Index < HandleCount; Index++) { - gBS->HandleProtocol ( - HandleBuffer[Index], - &gEfiDevicePathProtocolGuid, - (VOID **) &ConDevicePath - ); - BdsLibUpdateConsoleVariable (L"ConOut", ConDevicePath, NULL); - BdsLibUpdateConsoleVariable (L"ErrOut", ConDevicePath, NULL); - } - - SafeFreePool(HandleBuffer); - - // - // Connect all console variables - // - BdsLibConnectAllDefaultConsoles (); - -} - - -/** - This function will connect console device base on the console - device variable ConIn, ConOut and ErrOut. - - None - - @retval EFI_SUCCESS At least one of the ConIn and ConOut device have - been connected success. - @retval EFI_STATUS Return the status of - BdsLibConnectConsoleVariable (). - -**/ -EFI_STATUS -BdsLibConnectAllDefaultConsoles ( - VOID - ) -{ - EFI_STATUS Status; - - // - // Connect all default console variables - // - - // - // It seems impossible not to have any ConOut device on platform, - // so we check the status here. - // - Status = BdsLibConnectConsoleVariable (L"ConOut"); - if (EFI_ERROR (Status)) { - return Status; - } - - // - // Insert the performance probe for Console Out - // - PERF_START (NULL, "ConOut", "BDS", 1); - PERF_END (NULL, "ConOut", "BDS", 0); - - // - // Because possibly the platform is legacy free, in such case, - // ConIn devices (Serial Port and PS2 Keyboard ) does not exist, - // so we need not check the status. - // - BdsLibConnectConsoleVariable (L"ConIn"); - - // - // The _ModuleEntryPoint err out var is legal. - // - BdsLibConnectConsoleVariable (L"ErrOut"); - - return EFI_SUCCESS; - -} +/** @file
+ BDS Lib functions which contain all the code to connect console device
+
+Copyright (c) 2004 - 2008, Intel Corporation. <BR>
+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.
+
+**/
+
+#include "InternalBdsLib.h"
+
+BOOLEAN
+IsNvNeed (
+ IN CHAR16 *ConVarName
+ )
+{
+ CHAR16 *Ptr;
+
+ Ptr = ConVarName;
+
+ //
+ // If the variable includes "Dev" at last, we consider
+ // it does not support NV attribute.
+ //
+ while (*Ptr) {
+ Ptr++;
+ }
+
+ if ((*(Ptr-3) == 'D') && (*(Ptr-2) == 'e') && (*(Ptr-1) == 'v')) {
+ return FALSE;
+ } else {
+ return TRUE;
+ }
+}
+
+
+/**
+ This function update console variable based on ConVarName, it can
+ add or remove one specific console device path from the variable
+
+ @param ConVarName Console related variable name, ConIn, ConOut,
+ ErrOut.
+ @param CustomizedConDevicePath The console device path which will be added to
+ the console variable ConVarName, this parameter
+ can not be multi-instance.
+ @param ExclusiveDevicePath The console device path which will be removed
+ from the console variable ConVarName, this
+ parameter can not be multi-instance.
+
+ @retval EFI_UNSUPPORTED Add or remove the same device path.
+ @retval EFI_SUCCESS Success add or remove the device path from the
+ console variable.
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibUpdateConsoleVariable (
+ IN CHAR16 *ConVarName,
+ IN EFI_DEVICE_PATH_PROTOCOL *CustomizedConDevicePath,
+ IN EFI_DEVICE_PATH_PROTOCOL *ExclusiveDevicePath
+ )
+{
+ EFI_DEVICE_PATH_PROTOCOL *VarConsole;
+ UINTN DevicePathSize;
+ EFI_DEVICE_PATH_PROTOCOL *NewDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *TempNewDevicePath;
+ UINT32 Attributes;
+
+ VarConsole = NULL;
+ DevicePathSize = 0;
+
+ //
+ // Notes: check the device path point, here should check
+ // with compare memory
+ //
+ if (CustomizedConDevicePath == ExclusiveDevicePath) {
+ return EFI_UNSUPPORTED;
+ }
+ //
+ // Delete the ExclusiveDevicePath from current default console
+ //
+ VarConsole = BdsLibGetVariableAndSize (
+ ConVarName,
+ &gEfiGlobalVariableGuid,
+ &DevicePathSize
+ );
+
+ //
+ // Initialize NewDevicePath
+ //
+ NewDevicePath = VarConsole;
+
+ //
+ // If ExclusiveDevicePath is even the part of the instance in VarConsole, delete it.
+ // In the end, NewDevicePath is the final device path.
+ //
+ if (ExclusiveDevicePath != NULL && VarConsole != NULL) {
+ NewDevicePath = BdsLibDelPartMatchInstance (VarConsole, ExclusiveDevicePath);
+ }
+ //
+ // Try to append customized device path to NewDevicePath.
+ //
+ if (CustomizedConDevicePath != NULL) {
+ if (!BdsLibMatchDevicePaths (NewDevicePath, CustomizedConDevicePath)) {
+ //
+ // Check if there is part of CustomizedConDevicePath in NewDevicePath, delete it.
+ //
+ NewDevicePath = BdsLibDelPartMatchInstance (NewDevicePath, CustomizedConDevicePath);
+ //
+ // In the first check, the default console variable will be _ModuleEntryPoint,
+ // just append current customized device path
+ //
+ TempNewDevicePath = NewDevicePath;
+ NewDevicePath = AppendDevicePathInstance (NewDevicePath, CustomizedConDevicePath);
+ SafeFreePool(TempNewDevicePath);
+ }
+ }
+
+ //
+ // The attribute for ConInDev, ConOutDev and ErrOutDev does not include NV.
+ //
+ if (IsNvNeed(ConVarName)) {
+ //
+ // ConVarName has NV attribute.
+ //
+ Attributes = EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE;
+ } else {
+ //
+ // ConVarName does not have NV attribute.
+ //
+ Attributes = EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS;
+ }
+
+ //
+ // Finally, Update the variable of the default console by NewDevicePath
+ //
+ gRT->SetVariable (
+ ConVarName,
+ &gEfiGlobalVariableGuid,
+ Attributes,
+ GetDevicePathSize (NewDevicePath),
+ NewDevicePath
+ );
+
+ if (VarConsole == NewDevicePath) {
+ SafeFreePool(VarConsole);
+ } else {
+ SafeFreePool(VarConsole);
+ SafeFreePool(NewDevicePath);
+ }
+
+ return EFI_SUCCESS;
+
+}
+
+
+/**
+ Connect the console device base on the variable ConVarName, if
+ device path of the ConVarName is multi-instance device path, if
+ anyone of the instances is connected success, then this function
+ will return success.
+
+ @param ConVarName Console related variable name, ConIn, ConOut,
+ ErrOut.
+
+ @retval EFI_NOT_FOUND There is not any console devices connected
+ success
+ @retval EFI_SUCCESS Success connect any one instance of the console
+ device path base on the variable ConVarName.
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibConnectConsoleVariable (
+ IN CHAR16 *ConVarName
+ )
+{
+ EFI_STATUS Status;
+ EFI_DEVICE_PATH_PROTOCOL *StartDevicePath;
+ UINTN VariableSize;
+ EFI_DEVICE_PATH_PROTOCOL *Instance;
+ EFI_DEVICE_PATH_PROTOCOL *Next;
+ EFI_DEVICE_PATH_PROTOCOL *CopyOfDevicePath;
+ UINTN Size;
+ BOOLEAN DeviceExist;
+
+ Status = EFI_SUCCESS;
+ DeviceExist = FALSE;
+
+ //
+ // Check if the console variable exist
+ //
+ StartDevicePath = BdsLibGetVariableAndSize (
+ ConVarName,
+ &gEfiGlobalVariableGuid,
+ &VariableSize
+ );
+ if (StartDevicePath == NULL) {
+ return EFI_UNSUPPORTED;
+ }
+
+ CopyOfDevicePath = StartDevicePath;
+ do {
+ //
+ // Check every instance of the console variable
+ //
+ Instance = GetNextDevicePathInstance (&CopyOfDevicePath, &Size);
+ Next = Instance;
+ while (!IsDevicePathEndType (Next)) {
+ Next = NextDevicePathNode (Next);
+ }
+
+ SetDevicePathEndNode (Next);
+ //
+ // Check USB1.1 console
+ //
+ if ((DevicePathType (Instance) == MESSAGING_DEVICE_PATH) &&
+ ((DevicePathSubType (Instance) == MSG_USB_CLASS_DP)
+ || (DevicePathSubType (Instance) == MSG_USB_WWID_DP)
+ )) {
+ //
+ // Check the Usb console in Usb2.0 bus firstly, then Usb1.1 bus
+ //
+ Status = BdsLibConnectUsbDevByShortFormDP (PCI_CLASSC_PI_EHCI, Instance);
+ if (!EFI_ERROR (Status)) {
+ DeviceExist = TRUE;
+ }
+
+ Status = BdsLibConnectUsbDevByShortFormDP (PCI_CLASSC_PI_UHCI, Instance);
+ if (!EFI_ERROR (Status)) {
+ DeviceExist = TRUE;
+ }
+ } else {
+ //
+ // Connect the instance device path
+ //
+ Status = BdsLibConnectDevicePath (Instance);
+ if (EFI_ERROR (Status)) {
+ //
+ // Delete the instance from the console varialbe
+ //
+ BdsLibUpdateConsoleVariable (ConVarName, NULL, Instance);
+ } else {
+ DeviceExist = TRUE;
+ }
+ }
+ SafeFreePool(Instance);
+ } while (CopyOfDevicePath != NULL);
+
+ gBS->FreePool (StartDevicePath);
+
+ if (DeviceExist == FALSE) {
+ return EFI_NOT_FOUND;
+ }
+
+ return EFI_SUCCESS;
+}
+
+
+/**
+ This function will search every simpletxt devive in current system,
+ and make every simpletxt device as pertantial console device.
+
+**/
+VOID
+EFIAPI
+BdsLibConnectAllConsoles (
+ VOID
+ )
+{
+ UINTN Index;
+ EFI_DEVICE_PATH_PROTOCOL *ConDevicePath;
+ UINTN HandleCount;
+ EFI_HANDLE *HandleBuffer;
+
+ Index = 0;
+ HandleCount = 0;
+ HandleBuffer = NULL;
+ ConDevicePath = NULL;
+
+ //
+ // Update all the console varables
+ //
+ gBS->LocateHandleBuffer (
+ ByProtocol,
+ &gEfiSimpleTextInProtocolGuid,
+ NULL,
+ &HandleCount,
+ &HandleBuffer
+ );
+
+ for (Index = 0; Index < HandleCount; Index++) {
+ gBS->HandleProtocol (
+ HandleBuffer[Index],
+ &gEfiDevicePathProtocolGuid,
+ (VOID **) &ConDevicePath
+ );
+ BdsLibUpdateConsoleVariable (L"ConIn", ConDevicePath, NULL);
+ }
+
+ SafeFreePool(HandleBuffer);
+
+ gBS->LocateHandleBuffer (
+ ByProtocol,
+ &gEfiSimpleTextOutProtocolGuid,
+ NULL,
+ &HandleCount,
+ &HandleBuffer
+ );
+ for (Index = 0; Index < HandleCount; Index++) {
+ gBS->HandleProtocol (
+ HandleBuffer[Index],
+ &gEfiDevicePathProtocolGuid,
+ (VOID **) &ConDevicePath
+ );
+ BdsLibUpdateConsoleVariable (L"ConOut", ConDevicePath, NULL);
+ BdsLibUpdateConsoleVariable (L"ErrOut", ConDevicePath, NULL);
+ }
+
+ SafeFreePool(HandleBuffer);
+
+ //
+ // Connect all console variables
+ //
+ BdsLibConnectAllDefaultConsoles ();
+
+}
+
+
+/**
+ This function will connect console device base on the console
+ device variable ConIn, ConOut and ErrOut.
+
+ @retval EFI_SUCCESS At least one of the ConIn and ConOut device have
+ been connected success.
+ @retval EFI_STATUS Return the status of
+ BdsLibConnectConsoleVariable ().
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibConnectAllDefaultConsoles (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+
+ //
+ // Connect all default console variables
+ //
+
+ //
+ // It seems impossible not to have any ConOut device on platform,
+ // so we check the status here.
+ //
+ Status = BdsLibConnectConsoleVariable (L"ConOut");
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Insert the performance probe for Console Out
+ //
+ PERF_START (NULL, "ConOut", "BDS", 1);
+ PERF_END (NULL, "ConOut", "BDS", 0);
+
+ //
+ // Because possibly the platform is legacy free, in such case,
+ // ConIn devices (Serial Port and PS2 Keyboard ) does not exist,
+ // so we need not check the status.
+ //
+ BdsLibConnectConsoleVariable (L"ConIn");
+
+ //
+ // The _ModuleEntryPoint err out var is legal.
+ //
+ BdsLibConnectConsoleVariable (L"ErrOut");
+
+ return EFI_SUCCESS;
+
+}
diff --git a/MdeModulePkg/Library/GenericBdsLib/BdsMisc.c b/MdeModulePkg/Library/GenericBdsLib/BdsMisc.c index 2c567fc3de..084fa0de4b 100644 --- a/MdeModulePkg/Library/GenericBdsLib/BdsMisc.c +++ b/MdeModulePkg/Library/GenericBdsLib/BdsMisc.c @@ -1,1342 +1,1280 @@ -/** @file - -Copyright (c) 2004 - 2007, 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: - - BdsMisc.c - -Abstract: - - Misc BDS library function - - -**/ - -#include "InternalBdsLib.h" - - -#define MAX_STRING_LEN 200 - -static BOOLEAN mFeaturerSwitch = TRUE; -static BOOLEAN mResetRequired = FALSE; - -extern UINT16 gPlatformBootTimeOutDefault; - - -/** - Return the default value for system Timeout variable. - - None - - @return Timeout value. - -**/ -UINT16 -BdsLibGetTimeout ( - VOID - ) -{ - UINT16 Timeout; - UINTN Size; - EFI_STATUS Status; - - // - // Return Timeout variable or 0xffff if no valid - // Timeout variable exists. - // - Size = sizeof (UINT16); - Status = gRT->GetVariable (L"Timeout", &gEfiGlobalVariableGuid, NULL, &Size, &Timeout); - if (!EFI_ERROR (Status)) { - return Timeout; - } - // - // To make the current EFI Automatic-Test activity possible, just add - // following code to make AutoBoot enabled when this variable is not - // present. - // This code should be removed later. - // - Timeout = PcdGet16 (PcdPlatformBootTimeOutDefault); - - // - // Notes: Platform should set default variable if non exists on all error cases!!! - // - Status = gRT->SetVariable ( - L"Timeout", - &gEfiGlobalVariableGuid, - EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE, - sizeof (UINT16), - &Timeout - ); - return Timeout; -} - - -/** - The function will go through the driver optoin link list, load and start - every driver the driver optoin device path point to. - - @param BdsDriverLists The header of the current driver option link list - - @return None - -**/ -VOID -BdsLibLoadDrivers ( - IN LIST_ENTRY *BdsDriverLists - ) -{ - EFI_STATUS Status; - LIST_ENTRY *Link; - BDS_COMMON_OPTION *Option; - EFI_HANDLE ImageHandle; - EFI_LOADED_IMAGE_PROTOCOL *ImageInfo; - UINTN ExitDataSize; - CHAR16 *ExitData; - BOOLEAN ReconnectAll; - - ReconnectAll = FALSE; - - // - // Process the driver option - // - for (Link = BdsDriverLists->ForwardLink; Link != BdsDriverLists; Link = Link->ForwardLink) { - Option = CR (Link, BDS_COMMON_OPTION, Link, BDS_LOAD_OPTION_SIGNATURE); - // - // If a load option is not marked as LOAD_OPTION_ACTIVE, - // the boot manager will not automatically load the option. - // - if (!IS_LOAD_OPTION_TYPE (Option->Attribute, LOAD_OPTION_ACTIVE)) { - continue; - } - // - // If a driver load option is marked as LOAD_OPTION_FORCE_RECONNECT, - // then all of the EFI drivers in the system will be disconnected and - // reconnected after the last driver load option is processed. - // - if (IS_LOAD_OPTION_TYPE (Option->Attribute, LOAD_OPTION_FORCE_RECONNECT)) { - ReconnectAll = TRUE; - } - // - // Make sure the driver path is connected. - // - BdsLibConnectDevicePath (Option->DevicePath); - - // - // Load and start the image that Driver#### describes - // - Status = gBS->LoadImage ( - FALSE, - mBdsImageHandle, - Option->DevicePath, - NULL, - 0, - &ImageHandle - ); - - if (!EFI_ERROR (Status)) { - gBS->HandleProtocol (ImageHandle, &gEfiLoadedImageProtocolGuid, (VOID **) &ImageInfo); - - // - // Verify whether this image is a driver, if not, - // exit it and continue to parse next load option - // - if (ImageInfo->ImageCodeType != EfiBootServicesCode && ImageInfo->ImageCodeType != EfiRuntimeServicesCode) { - gBS->Exit (ImageHandle, EFI_INVALID_PARAMETER, 0, NULL); - continue; - } - - 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 ((DEBUG_INFO | DEBUG_LOAD, "Driver Return Status = %r\n", Status)); - - // - // Clear the Watchdog Timer after the image returns - // - gBS->SetWatchdogTimer (0x0000, 0x0000, 0x0000, NULL); - } - } - // - // Process the LOAD_OPTION_FORCE_RECONNECT driver option - // - if (ReconnectAll) { - BdsLibDisconnectAllEfi (); - BdsLibConnectAll (); - } - -} - - -/** - Get the Option Number that does not used - Try to locate the specific option variable one by one untile find a free number - - @param VariableName Indicate if the boot#### or driver#### option - - @return The Minimal Free Option Number - -**/ -UINT16 -BdsLibGetFreeOptionNumber ( - IN CHAR16 *VariableName - ) -{ - UINT16 Number; - UINTN Index; - CHAR16 StrTemp[10]; - UINT16 *OptionBuffer; - UINTN OptionSize; - - // - // Try to find the minimum free number from 0, 1, 2, 3.... - // - Index = 0; - do { - if (*VariableName == 'B') { - UnicodeSPrint (StrTemp, sizeof (StrTemp), L"Boot%04x", Index); - } else { - UnicodeSPrint (StrTemp, sizeof (StrTemp), L"Driver%04x", Index); - } - // - // try if the option number is used - // - OptionBuffer = BdsLibGetVariableAndSize ( - StrTemp, - &gEfiGlobalVariableGuid, - &OptionSize - ); - if (OptionBuffer == NULL) { - break; - } - Index++; - } while (1); - - Number = (UINT16) Index; - return Number; -} - - -/** - This function will register the new boot#### or driver#### option base on - the VariableName. The new registered boot#### or driver#### will be linked - to BdsOptionList and also update to the VariableName. After the boot#### or - driver#### updated, the BootOrder or DriverOrder will also be updated. - - @param BdsOptionList The header of the boot#### or driver#### link list - @param DevicePath The device path which the boot#### or driver#### - option present - @param String The description of the boot#### or driver#### - @param VariableName Indicate if the boot#### or driver#### option - - @retval EFI_SUCCESS The boot#### or driver#### have been success - registered - @retval EFI_STATUS Return the status of gRT->SetVariable (). - -**/ -EFI_STATUS -BdsLibRegisterNewOption ( - IN LIST_ENTRY *BdsOptionList, - IN EFI_DEVICE_PATH_PROTOCOL *DevicePath, - IN CHAR16 *String, - IN CHAR16 *VariableName - ) -{ - EFI_STATUS Status; - UINTN Index; - UINT16 RegisterOptionNumber; - UINT16 *TempOptionPtr; - UINTN TempOptionSize; - UINT16 *OptionOrderPtr; - VOID *OptionPtr; - UINTN OptionSize; - UINT8 *TempPtr; - EFI_DEVICE_PATH_PROTOCOL *OptionDevicePath; - CHAR16 *Description; - CHAR16 OptionName[10]; - BOOLEAN UpdateDescription; - UINT16 BootOrderEntry; - UINTN OrderItemNum; - - - OptionPtr = NULL; - OptionSize = 0; - TempPtr = NULL; - OptionDevicePath = NULL; - Description = NULL; - OptionOrderPtr = NULL; - UpdateDescription = FALSE; - ZeroMem (OptionName, sizeof (OptionName)); - - TempOptionSize = 0; - TempOptionPtr = BdsLibGetVariableAndSize ( - VariableName, - &gEfiGlobalVariableGuid, - &TempOptionSize - ); - - // - // Compare with current option variable - // - for (Index = 0; Index < TempOptionSize / sizeof (UINT16); Index++) { - - if (*VariableName == 'B') { - UnicodeSPrint (OptionName, sizeof (OptionName), L"Boot%04x", TempOptionPtr[Index]); - } else { - UnicodeSPrint (OptionName, sizeof (OptionName), L"Driver%04x", TempOptionPtr[Index]); - } - - OptionPtr = BdsLibGetVariableAndSize ( - OptionName, - &gEfiGlobalVariableGuid, - &OptionSize - ); - if (OptionPtr == NULL) { - continue; - } - TempPtr = OptionPtr; - TempPtr += sizeof (UINT32) + sizeof (UINT16); - Description = (CHAR16 *) TempPtr; - TempPtr += StrSize ((CHAR16 *) TempPtr); - OptionDevicePath = (EFI_DEVICE_PATH_PROTOCOL *) TempPtr; - - // - // Notes: the description may will change base on the GetStringToken - // - if (CompareMem (OptionDevicePath, DevicePath, GetDevicePathSize (OptionDevicePath)) == 0) { - if (CompareMem (Description, String, StrSize (Description)) == 0) { - // - // Got the option, so just return - // - gBS->FreePool (OptionPtr); - gBS->FreePool (TempOptionPtr); - return EFI_SUCCESS; - } else { - // - // Option description changed, need update. - // - UpdateDescription = TRUE; - gBS->FreePool (OptionPtr); - break; - } - } - - gBS->FreePool (OptionPtr); - } - - OptionSize = sizeof (UINT32) + sizeof (UINT16) + StrSize (String); - OptionSize += GetDevicePathSize (DevicePath); - OptionPtr = AllocateZeroPool (OptionSize); - TempPtr = OptionPtr; - *(UINT32 *) TempPtr = LOAD_OPTION_ACTIVE; - TempPtr += sizeof (UINT32); - *(UINT16 *) TempPtr = (UINT16) GetDevicePathSize (DevicePath); - TempPtr += sizeof (UINT16); - CopyMem (TempPtr, String, StrSize (String)); - TempPtr += StrSize (String); - CopyMem (TempPtr, DevicePath, GetDevicePathSize (DevicePath)); - - if (UpdateDescription) { - // - // The number in option#### to be updated - // - RegisterOptionNumber = TempOptionPtr[Index]; - } else { - // - // The new option#### number - // - RegisterOptionNumber = BdsLibGetFreeOptionNumber(VariableName); - } - - if (*VariableName == 'B') { - UnicodeSPrint (OptionName, sizeof (OptionName), L"Boot%04x", RegisterOptionNumber); - } else { - UnicodeSPrint (OptionName, sizeof (OptionName), L"Driver%04x", RegisterOptionNumber); - } - - Status = gRT->SetVariable ( - OptionName, - &gEfiGlobalVariableGuid, - EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE, - OptionSize, - OptionPtr - ); - // - // Return if only need to update a changed description or fail to set option. - // - if (EFI_ERROR (Status) || UpdateDescription) { - gBS->FreePool (OptionPtr); - gBS->FreePool (TempOptionPtr); - return Status; - } - - gBS->FreePool (OptionPtr); - - // - // Update the option order variable - // - - // - // If no option order - // - if (TempOptionSize == 0) { - BootOrderEntry = 0; - Status = gRT->SetVariable ( - VariableName, - &gEfiGlobalVariableGuid, - EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE, - sizeof (UINT16), - &BootOrderEntry - ); - if (EFI_ERROR (Status)) { - gBS->FreePool (TempOptionPtr); - return Status; - } - return EFI_SUCCESS; - } - - // - // Append the new option number to the original option order - // - OrderItemNum = (TempOptionSize / sizeof (UINT16)) + 1 ; - OptionOrderPtr = AllocateZeroPool ( OrderItemNum * sizeof (UINT16)); - CopyMem (OptionOrderPtr, TempOptionPtr, (OrderItemNum - 1) * sizeof (UINT16)); - - OptionOrderPtr[Index] = RegisterOptionNumber; - - Status = gRT->SetVariable ( - VariableName, - &gEfiGlobalVariableGuid, - EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE, - OrderItemNum * sizeof (UINT16), - OptionOrderPtr - ); - if (EFI_ERROR (Status)) { - gBS->FreePool (TempOptionPtr); - gBS->FreePool (OptionOrderPtr); - return Status; - } - - gBS->FreePool (TempOptionPtr); - gBS->FreePool (OptionOrderPtr); - - return EFI_SUCCESS; -} - - -/** - Build the boot#### or driver#### option from the VariableName, the - build boot#### or driver#### will also be linked to BdsCommonOptionList - - @param BdsCommonOptionList The header of the boot#### or driver#### option - link list - @param VariableName EFI Variable name indicate if it is boot#### or - driver#### - - @retval BDS_COMMON_OPTION Get the option just been created - @retval NULL Failed to get the new option - -**/ -BDS_COMMON_OPTION * -BdsLibVariableToOption ( - IN OUT LIST_ENTRY *BdsCommonOptionList, - IN CHAR16 *VariableName - ) -{ - UINT32 Attribute; - UINT16 FilePathSize; - UINT8 *Variable; - UINT8 *TempPtr; - UINTN VariableSize; - EFI_DEVICE_PATH_PROTOCOL *DevicePath; - BDS_COMMON_OPTION *Option; - VOID *LoadOptions; - UINT32 LoadOptionsSize; - CHAR16 *Description; - UINT8 NumOff; - // - // Read the variable. We will never free this data. - // - Variable = BdsLibGetVariableAndSize ( - VariableName, - &gEfiGlobalVariableGuid, - &VariableSize - ); - if (Variable == NULL) { - return NULL; - } - // - // Notes: careful defined the variable of Boot#### or - // Driver####, consider use some macro to abstract the code - // - // - // Get the option attribute - // - TempPtr = Variable; - Attribute = *(UINT32 *) Variable; - TempPtr += sizeof (UINT32); - - // - // Get the option's device path size - // - FilePathSize = *(UINT16 *) TempPtr; - TempPtr += sizeof (UINT16); - - // - // Get the option's description string - // - Description = (CHAR16 *) TempPtr; - - // - // Get the option's description string size - // - TempPtr += StrSize ((CHAR16 *) TempPtr); - - // - // Get the option's device path - // - DevicePath = (EFI_DEVICE_PATH_PROTOCOL *) TempPtr; - TempPtr += FilePathSize; - - LoadOptions = TempPtr; - LoadOptionsSize = (UINT32) (VariableSize - (UINTN) (TempPtr - Variable)); - - // - // The Console variables may have multiple device paths, so make - // an Entry for each one. - // - Option = AllocateZeroPool (sizeof (BDS_COMMON_OPTION)); - if (Option == NULL) { - return NULL; - } - - Option->Signature = BDS_LOAD_OPTION_SIGNATURE; - Option->DevicePath = AllocateZeroPool (GetDevicePathSize (DevicePath)); - CopyMem (Option->DevicePath, DevicePath, GetDevicePathSize (DevicePath)); - Option->Attribute = Attribute; - Option->Description = AllocateZeroPool (StrSize (Description)); - CopyMem (Option->Description, Description, StrSize (Description)); - Option->LoadOptions = AllocateZeroPool (LoadOptionsSize); - CopyMem (Option->LoadOptions, LoadOptions, LoadOptionsSize); - Option->LoadOptionsSize = LoadOptionsSize; - - // - // Get the value from VariableName Unicode string - // since the ISO standard assumes ASCII equivalent abbreviations, we can be safe in converting this - // Unicode stream to ASCII without any loss in meaning. - // - if (*VariableName == 'B') { - NumOff = sizeof (L"Boot")/sizeof(CHAR16) -1 ; - Option->BootCurrent = (UINT16) ((VariableName[NumOff] -'0') * 0x1000); - Option->BootCurrent = (UINT16) (Option->BootCurrent + ((VariableName[NumOff+1]-'0') * 0x100)); - Option->BootCurrent = (UINT16) (Option->BootCurrent + ((VariableName[NumOff+2]-'0') * 0x10)); - Option->BootCurrent = (UINT16) (Option->BootCurrent + ((VariableName[NumOff+3]-'0'))); - } - // - // Insert active entry to BdsDeviceList - // - if ((Option->Attribute & LOAD_OPTION_ACTIVE) == LOAD_OPTION_ACTIVE) { - InsertTailList (BdsCommonOptionList, &Option->Link); - gBS->FreePool (Variable); - return Option; - } - - gBS->FreePool (Variable); - gBS->FreePool (Option); - return NULL; - -} - - -/** - Process BootOrder, or DriverOrder variables, by calling - BdsLibVariableToOption () for each UINT16 in the variables. - - @param BdsCommonOptionList The header of the option list base on variable - VariableName - @param VariableName EFI Variable name indicate the BootOrder or - DriverOrder - - @retval EFI_SUCCESS Success create the boot option or driver option - list - @retval EFI_OUT_OF_RESOURCES Failed to get the boot option or driver option list - -**/ -EFI_STATUS -BdsLibBuildOptionFromVar ( - IN LIST_ENTRY *BdsCommonOptionList, - IN CHAR16 *VariableName - ) -{ - UINT16 *OptionOrder; - UINTN OptionOrderSize; - UINTN Index; - BDS_COMMON_OPTION *Option; - CHAR16 OptionName[20]; - - // - // Zero Buffer in order to get all BOOT#### variables - // - ZeroMem (OptionName, sizeof (OptionName)); - - // - // Read the BootOrder, or DriverOrder variable. - // - OptionOrder = BdsLibGetVariableAndSize ( - VariableName, - &gEfiGlobalVariableGuid, - &OptionOrderSize - ); - if (OptionOrder == NULL) { - return EFI_OUT_OF_RESOURCES; - } - - for (Index = 0; Index < OptionOrderSize / sizeof (UINT16); Index++) { - if (*VariableName == 'B') { - UnicodeSPrint (OptionName, sizeof (OptionName), L"Boot%04x", OptionOrder[Index]); - } else { - UnicodeSPrint (OptionName, sizeof (OptionName), L"Driver%04x", OptionOrder[Index]); - } - - Option = BdsLibVariableToOption (BdsCommonOptionList, OptionName); - Option->BootCurrent = OptionOrder[Index]; - - } - - gBS->FreePool (OptionOrder); - - return EFI_SUCCESS; -} - - -/** - Get boot mode by looking up configuration table and parsing HOB list - - @param BootMode Boot mode from PEI handoff HOB. - - @retval EFI_SUCCESS Successfully get boot mode - @retval EFI_NOT_FOUND Can not find the current system boot mode - -**/ -EFI_STATUS -BdsLibGetBootMode ( - OUT EFI_BOOT_MODE *BootMode - ) -{ - VOID *HobList; - EFI_STATUS Status; - - // - // Get Hob list - // - Status = EfiGetSystemConfigurationTable (&gEfiHobListGuid, &HobList); - if (EFI_ERROR (Status)) { - DEBUG ((DEBUG_ERROR, "Hob list not found\n")); - *BootMode = 0; - return EFI_NOT_FOUND; - } - - Status = R8_GetHobBootMode (HobList, BootMode); - if (EFI_ERROR (Status)) { - return EFI_NOT_FOUND; - } - - return EFI_SUCCESS; -} - - -/** - Read the EFI variable (VendorGuid/Name) and return a dynamically allocated - buffer, and the size of the buffer. If failure return NULL. - - @param Name String part of EFI variable name - @param VendorGuid GUID part of EFI variable name - @param VariableSize Returns the size of the EFI variable that was read - - @return Dynamically allocated memory that contains a copy of the EFI variable. - @return Caller is responsible freeing the buffer. - @retval NULL Variable was not read - -**/ -VOID * -BdsLibGetVariableAndSize ( - IN CHAR16 *Name, - IN EFI_GUID *VendorGuid, - OUT UINTN *VariableSize - ) -{ - EFI_STATUS Status; - UINTN BufferSize; - VOID *Buffer; - - Buffer = NULL; - - // - // Pass in a zero size buffer to find the required buffer size. - // - BufferSize = 0; - Status = gRT->GetVariable (Name, VendorGuid, NULL, &BufferSize, Buffer); - if (Status == EFI_BUFFER_TOO_SMALL) { - // - // Allocate the buffer to return - // - Buffer = AllocateZeroPool (BufferSize); - if (Buffer == NULL) { - return NULL; - } - // - // Read variable into the allocated buffer. - // - Status = gRT->GetVariable (Name, VendorGuid, NULL, &BufferSize, Buffer); - if (EFI_ERROR (Status)) { - BufferSize = 0; - } - } - - *VariableSize = BufferSize; - return Buffer; -} - - -/** - Delete the instance in Multi which matches partly with Single instance - - @param Multi A pointer to a multi-instance device path data - structure. - @param Single A pointer to a single-instance device path data - structure. - - @return This function will remove the device path instances in Multi which partly - @return match with the Single, and return the result device path. If there is no - @return remaining device path as a result, this function will return NULL. - -**/ -EFI_DEVICE_PATH_PROTOCOL * -BdsLibDelPartMatchInstance ( - IN EFI_DEVICE_PATH_PROTOCOL *Multi, - IN EFI_DEVICE_PATH_PROTOCOL *Single - ) -{ - EFI_DEVICE_PATH_PROTOCOL *Instance; - EFI_DEVICE_PATH_PROTOCOL *NewDevicePath; - EFI_DEVICE_PATH_PROTOCOL *TempNewDevicePath; - UINTN InstanceSize; - UINTN SingleDpSize; - UINTN Size; - - NewDevicePath = NULL; - TempNewDevicePath = NULL; - - if (Multi == NULL || Single == NULL) { - return Multi; - } - - Instance = GetNextDevicePathInstance (&Multi, &InstanceSize); - SingleDpSize = GetDevicePathSize (Single) - END_DEVICE_PATH_LENGTH; - InstanceSize -= END_DEVICE_PATH_LENGTH; - - while (Instance != NULL) { - - Size = (SingleDpSize < InstanceSize) ? SingleDpSize : InstanceSize; - - if ((CompareMem (Instance, Single, Size) != 0)) { - // - // Append the device path instance which does not match with Single - // - TempNewDevicePath = NewDevicePath; - NewDevicePath = AppendDevicePathInstance (NewDevicePath, Instance); - SafeFreePool(TempNewDevicePath); - } - SafeFreePool(Instance); - Instance = GetNextDevicePathInstance (&Multi, &InstanceSize); - InstanceSize -= END_DEVICE_PATH_LENGTH; - } - - return NewDevicePath; -} - - -/** - Function compares a device path data structure to that of all the nodes of a - second device path instance. - - @param Multi A pointer to a multi-instance device path data - structure. - @param Single A pointer to a single-instance device path data - structure. - - @retval TRUE If the Single is contained within Multi - @retval FALSE The Single is not match within Multi - -**/ -BOOLEAN -BdsLibMatchDevicePaths ( - IN EFI_DEVICE_PATH_PROTOCOL *Multi, - IN EFI_DEVICE_PATH_PROTOCOL *Single - ) -{ - EFI_DEVICE_PATH_PROTOCOL *DevicePath; - EFI_DEVICE_PATH_PROTOCOL *DevicePathInst; - UINTN Size; - - if (!Multi || !Single) { - return FALSE; - } - - DevicePath = Multi; - DevicePathInst = GetNextDevicePathInstance (&DevicePath, &Size); - - // - // Search for the match of 'Single' in 'Multi' - // - while (DevicePathInst != NULL) { - // - // If the single device path is found in multiple device paths, - // return success - // - if (CompareMem (Single, DevicePathInst, Size) == 0) { - gBS->FreePool (DevicePathInst); - return TRUE; - } - - gBS->FreePool (DevicePathInst); - DevicePathInst = GetNextDevicePathInstance (&DevicePath, &Size); - } - - return FALSE; -} - - -/** - This function prints a series of strings. - - @param ConOut Pointer to EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL - @param ... A variable argument list containing series of - strings, the last string must be NULL. - - @retval EFI_SUCCESS Success print out the string using ConOut. - @retval EFI_STATUS Return the status of the ConOut->OutputString (). - -**/ -EFI_STATUS -BdsLibOutputStrings ( - IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *ConOut, - ... - ) -{ - VA_LIST args; - EFI_STATUS Status; - CHAR16 *String; - - Status = EFI_SUCCESS; - VA_START (args, ConOut); - - while (!EFI_ERROR (Status)) { - // - // If String is NULL, then it's the end of the list - // - String = VA_ARG (args, CHAR16 *); - if (!String) { - break; - } - - Status = ConOut->OutputString (ConOut, String); - - if (EFI_ERROR (Status)) { - break; - } - } - - return Status; -} - -// -// Following are BDS Lib functions which contain all the code about setup browser reset reminder feature. -// Setup Browser reset reminder feature is that an reset reminder will be given before user leaves the setup browser if -// user change any option setting which needs a reset to be effective, and the reset will be applied according to the user selection. -// - - -/** - Enable the setup browser reset reminder feature. - This routine is used in platform tip. If the platform policy need the feature, use the routine to enable it. - - VOID - - @return VOID - -**/ -VOID -EnableResetReminderFeature ( - VOID - ) -{ - mFeaturerSwitch = TRUE; -} - - -/** - Disable the setup browser reset reminder feature. - This routine is used in platform tip. If the platform policy do not want the feature, use the routine to disable it. - - VOID - - @return VOID - -**/ -VOID -DisableResetReminderFeature ( - VOID - ) -{ - mFeaturerSwitch = FALSE; -} - - -/** - Record the info that a reset is required. - A module boolean variable is used to record whether a reset is required. - - VOID - - @return VOID - -**/ -VOID -EnableResetRequired ( - VOID - ) -{ - mResetRequired = TRUE; -} - - -/** - Record the info that no reset is required. - A module boolean variable is used to record whether a reset is required. - - VOID - - @return VOID - -**/ -VOID -DisableResetRequired ( - VOID - ) -{ - mResetRequired = FALSE; -} - - -/** - Check whether platform policy enable the reset reminder feature. The default is enabled. - - VOID - - @return VOID - -**/ -BOOLEAN -IsResetReminderFeatureEnable ( - VOID - ) -{ - return mFeaturerSwitch; -} - - -/** - Check if user changed any option setting which needs a system reset to be effective. - - VOID - - @return VOID - -**/ -BOOLEAN -IsResetRequired ( - VOID - ) -{ - return mResetRequired; -} - - -/** - Check whether a reset is needed, and finish the reset reminder feature. - If a reset is needed, Popup a menu to notice user, and finish the feature - according to the user selection. - - VOID - - @return VOID - -**/ -VOID -SetupResetReminder ( - VOID - ) -{ - EFI_INPUT_KEY Key; - CHAR16 *StringBuffer1; - CHAR16 *StringBuffer2; - - - // - //check any reset required change is applied? if yes, reset system - // - if (IsResetReminderFeatureEnable ()) { - if (IsResetRequired ()) { - - StringBuffer1 = AllocateZeroPool (MAX_STRING_LEN * sizeof (CHAR16)); - ASSERT (StringBuffer1 != NULL); - StringBuffer2 = AllocateZeroPool (MAX_STRING_LEN * sizeof (CHAR16)); - ASSERT (StringBuffer2 != NULL); - StrCpy (StringBuffer1, L"Configuration changed. Reset to apply it Now ? "); - StrCpy (StringBuffer2, L"Enter (YES) / Esc (NO)"); - // - // Popup a menu to notice user - // - do { - IfrLibCreatePopUp (2, &Key, StringBuffer1, StringBuffer2); - } while ((Key.ScanCode != SCAN_ESC) && (Key.UnicodeChar != CHAR_CARRIAGE_RETURN)); - - gBS->FreePool (StringBuffer1); - gBS->FreePool (StringBuffer2); - // - // If the user hits the YES Response key, reset - // - if ((Key.UnicodeChar == CHAR_CARRIAGE_RETURN)) { - gRT->ResetSystem (EfiResetCold, EFI_SUCCESS, 0, NULL); - } - gST->ConOut->ClearScreen (gST->ConOut); - } - } -} - - -/** - Get the headers (dos, image, optional header) from an image - - @param Device SimpleFileSystem device handle - @param FileName File name for the image - @param DosHeader Pointer to dos header - @param ImageHeader Pointer to image header - @param OptionalHeader Pointer to optional header - - @retval EFI_SUCCESS Successfully get the machine type. - @retval EFI_NOT_FOUND The file is not found. - @retval EFI_LOAD_ERROR File is not a valid image file. - -**/ -EFI_STATUS -BdsLibGetImageHeader ( - IN EFI_HANDLE Device, - IN CHAR16 *FileName, - OUT EFI_IMAGE_DOS_HEADER *DosHeader, - OUT EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr - ) -{ - EFI_STATUS Status; - EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *Volume; - EFI_FILE_HANDLE Root; - EFI_FILE_HANDLE ThisFile; - UINTN BufferSize; - UINT64 FileSize; - EFI_FILE_INFO *Info; - - Root = NULL; - ThisFile = NULL; - // - // Handle the file system interface to the device - // - Status = gBS->HandleProtocol ( - Device, - &gEfiSimpleFileSystemProtocolGuid, - (VOID *) &Volume - ); - if (EFI_ERROR (Status)) { - goto Done; - } - - Status = Volume->OpenVolume ( - Volume, - &Root - ); - if (EFI_ERROR (Status)) { - goto Done; - } - - Status = Root->Open (Root, &ThisFile, FileName, EFI_FILE_MODE_READ, 0); - if (EFI_ERROR (Status)) { - goto Done; - } - - // - // Get file size - // - BufferSize = SIZE_OF_EFI_FILE_INFO + 200; - do { - Info = NULL; - Status = gBS->AllocatePool (EfiBootServicesData, BufferSize, (VOID **) &Info); - if (EFI_ERROR (Status)) { - goto Done; - } - Status = ThisFile->GetInfo ( - ThisFile, - &gEfiFileInfoGuid, - &BufferSize, - Info - ); - if (!EFI_ERROR (Status)) { - break; - } - if (Status != EFI_BUFFER_TOO_SMALL) { - goto Done; - } - gBS->FreePool (Info); - } while (TRUE); - - FileSize = Info->FileSize; - gBS->FreePool (Info); - - // - // Read dos header - // - BufferSize = sizeof (EFI_IMAGE_DOS_HEADER); - Status = ThisFile->Read (ThisFile, &BufferSize, DosHeader); - if (EFI_ERROR (Status) || - BufferSize < sizeof (EFI_IMAGE_DOS_HEADER) || - FileSize <= DosHeader->e_lfanew || - DosHeader->e_magic != EFI_IMAGE_DOS_SIGNATURE) { - Status = EFI_LOAD_ERROR; - goto Done; - } - - // - // Move to PE signature - // - Status = ThisFile->SetPosition (ThisFile, DosHeader->e_lfanew); - if (EFI_ERROR (Status)) { - Status = EFI_LOAD_ERROR; - goto Done; - } - - // - // Read and check PE signature - // - BufferSize = sizeof (EFI_IMAGE_OPTIONAL_HEADER_UNION); - Status = ThisFile->Read (ThisFile, &BufferSize, Hdr.Pe32); - if (EFI_ERROR (Status) || - BufferSize < sizeof (EFI_IMAGE_OPTIONAL_HEADER_UNION) || - Hdr.Pe32->Signature != EFI_IMAGE_NT_SIGNATURE) { - Status = EFI_LOAD_ERROR; - goto Done; - } - - // - // Check PE32 or PE32+ magic - // - if (Hdr.Pe32->OptionalHeader.Magic != EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC && - Hdr.Pe32->OptionalHeader.Magic != EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC) { - Status = EFI_LOAD_ERROR; - goto Done; - } - - Done: - if (ThisFile != NULL) { - ThisFile->Close (ThisFile); - } - if (Root != NULL) { - Root->Close (Root); - } - return Status; -} - -VOID -EFIAPI -BdsSetMemoryTypeInformationVariable ( - EFI_EVENT Event, - VOID *Context - ) -/*++ - -Routine Description: - - This routine is a notification function for legayc boot or exit boot - service event. It will adjust the memory information for different - memory type and save them into the variables for next boot - -Arguments: - - Event - The event that triggered this notification function - Context - Pointer to the notification functions context - -Returns: - - None. - ---*/ -{ - EFI_STATUS Status; - EFI_MEMORY_TYPE_INFORMATION *PreviousMemoryTypeInformation; - EFI_MEMORY_TYPE_INFORMATION *CurrentMemoryTypeInformation; - UINTN VariableSize; - BOOLEAN UpdateRequired; - UINTN Index; - UINTN Index1; - UINT32 Previous; - UINT32 Current; - UINT32 Next; - VOID *HobList; - - UpdateRequired = FALSE; - - // - // Retrieve the current memory usage statistics. If they are not found, then - // no adjustments can be made to the Memory Type Information variable. - // - Status = EfiGetSystemConfigurationTable ( - &gEfiMemoryTypeInformationGuid, - (VOID **) &CurrentMemoryTypeInformation - ); - if (EFI_ERROR (Status)) { - return; - } - - // - // Get the Memory Type Information settings from Hob if they exist, - // PEI is responsible for getting them from variable and build a Hob to save them. - // If the previous Memory Type Information is not available, then set defaults - // - EfiGetSystemConfigurationTable (&gEfiHobListGuid, &HobList); - Status = R8_GetNextGuidHob (&HobList, &gEfiMemoryTypeInformationGuid, (VOID **) &PreviousMemoryTypeInformation, &VariableSize); - if (EFI_ERROR (Status) || PreviousMemoryTypeInformation == NULL) { - // - // If Platform has not built Memory Type Info into the Hob, just return. - // - return; - } - - // - // Use a heuristic to adjust the Memory Type Information for the next boot - // - for (Index = 0; PreviousMemoryTypeInformation[Index].Type != EfiMaxMemoryType; Index++) { - - Current = 0; - for (Index1 = 0; CurrentMemoryTypeInformation[Index1].Type != EfiMaxMemoryType; Index1++) { - if (PreviousMemoryTypeInformation[Index].Type == CurrentMemoryTypeInformation[Index1].Type) { - Current = CurrentMemoryTypeInformation[Index1].NumberOfPages; - break; - } - } - - if (CurrentMemoryTypeInformation[Index1].Type == EfiMaxMemoryType) { - continue; - } - - Previous = PreviousMemoryTypeInformation[Index].NumberOfPages; - - // - // Write next varible to 125% * current and Inconsistent Memory Reserved across bootings may lead to S4 fail - // - if (Current > Previous) { - Next = Current + (Current >> 2); - } else { - Next = Previous; - } - if (Next > 0 && Next < 4) { - Next = 4; - } - - if (Next != Previous) { - PreviousMemoryTypeInformation[Index].NumberOfPages = Next; - UpdateRequired = TRUE; - } - - } - - // - // If any changes were made to the Memory Type Information settings, then set the new variable value - // - if (UpdateRequired) { - Status = gRT->SetVariable ( - EFI_MEMORY_TYPE_INFORMATION_VARIABLE_NAME, - &gEfiMemoryTypeInformationGuid, - EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS, - VariableSize, - PreviousMemoryTypeInformation - ); - } - - return; -} - - -/** - This routine register a function to adjust the different type memory page number just before booting - and save the updated info into the variable for next boot to use - - None - - @return None. - -**/ -VOID -EFIAPI -BdsLibSaveMemoryTypeInformation ( - VOID - ) -{ - EFI_STATUS Status; - EFI_EVENT ReadyToBootEvent; - - Status = EfiCreateEventReadyToBootEx ( - TPL_CALLBACK, - BdsSetMemoryTypeInformationVariable, - NULL, - &ReadyToBootEvent - ); - if (EFI_ERROR (Status)) { - DEBUG ((DEBUG_ERROR,"Bds Set Memory Type Informationa Variable Fails\n")); - } - -} - - -/** - return the current TPL, copied from the EDKII glue lib. - - VOID - - @return Current TPL - -**/ -EFI_TPL -BdsLibGetCurrentTpl ( - VOID - ) -{ - EFI_TPL Tpl; - - Tpl = gBS->RaiseTPL (TPL_HIGH_LEVEL); - gBS->RestoreTPL (Tpl); - - return Tpl; -} +/** @file
+ Misc BDS library function
+
+Copyright (c) 2004 - 2008, Intel Corporation. <BR>
+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.
+
+**/
+
+#include "InternalBdsLib.h"
+
+
+#define MAX_STRING_LEN 200
+
+static BOOLEAN mFeaturerSwitch = TRUE;
+static BOOLEAN mResetRequired = FALSE;
+
+extern UINT16 gPlatformBootTimeOutDefault;
+
+
+/**
+ Return the default value for system Timeout variable.
+
+ @return Timeout value.
+
+**/
+UINT16
+EFIAPI
+BdsLibGetTimeout (
+ VOID
+ )
+{
+ UINT16 Timeout;
+ UINTN Size;
+ EFI_STATUS Status;
+
+ //
+ // Return Timeout variable or 0xffff if no valid
+ // Timeout variable exists.
+ //
+ Size = sizeof (UINT16);
+ Status = gRT->GetVariable (L"Timeout", &gEfiGlobalVariableGuid, NULL, &Size, &Timeout);
+ if (!EFI_ERROR (Status)) {
+ return Timeout;
+ }
+ //
+ // To make the current EFI Automatic-Test activity possible, just add
+ // following code to make AutoBoot enabled when this variable is not
+ // present.
+ // This code should be removed later.
+ //
+ Timeout = PcdGet16 (PcdPlatformBootTimeOutDefault);
+
+ //
+ // Notes: Platform should set default variable if non exists on all error cases!!!
+ //
+ Status = gRT->SetVariable (
+ L"Timeout",
+ &gEfiGlobalVariableGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
+ sizeof (UINT16),
+ &Timeout
+ );
+ return Timeout;
+}
+
+
+/**
+ The function will go through the driver optoin link list, load and start
+ every driver the driver optoin device path point to.
+
+ @param BdsDriverLists The header of the current driver option link list
+
+**/
+VOID
+EFIAPI
+BdsLibLoadDrivers (
+ IN LIST_ENTRY *BdsDriverLists
+ )
+{
+ EFI_STATUS Status;
+ LIST_ENTRY *Link;
+ BDS_COMMON_OPTION *Option;
+ EFI_HANDLE ImageHandle;
+ EFI_LOADED_IMAGE_PROTOCOL *ImageInfo;
+ UINTN ExitDataSize;
+ CHAR16 *ExitData;
+ BOOLEAN ReconnectAll;
+
+ ReconnectAll = FALSE;
+
+ //
+ // Process the driver option
+ //
+ for (Link = BdsDriverLists->ForwardLink; Link != BdsDriverLists; Link = Link->ForwardLink) {
+ Option = CR (Link, BDS_COMMON_OPTION, Link, BDS_LOAD_OPTION_SIGNATURE);
+ //
+ // If a load option is not marked as LOAD_OPTION_ACTIVE,
+ // the boot manager will not automatically load the option.
+ //
+ if (!IS_LOAD_OPTION_TYPE (Option->Attribute, LOAD_OPTION_ACTIVE)) {
+ continue;
+ }
+ //
+ // If a driver load option is marked as LOAD_OPTION_FORCE_RECONNECT,
+ // then all of the EFI drivers in the system will be disconnected and
+ // reconnected after the last driver load option is processed.
+ //
+ if (IS_LOAD_OPTION_TYPE (Option->Attribute, LOAD_OPTION_FORCE_RECONNECT)) {
+ ReconnectAll = TRUE;
+ }
+ //
+ // Make sure the driver path is connected.
+ //
+ BdsLibConnectDevicePath (Option->DevicePath);
+
+ //
+ // Load and start the image that Driver#### describes
+ //
+ Status = gBS->LoadImage (
+ FALSE,
+ mBdsImageHandle,
+ Option->DevicePath,
+ NULL,
+ 0,
+ &ImageHandle
+ );
+
+ if (!EFI_ERROR (Status)) {
+ gBS->HandleProtocol (ImageHandle, &gEfiLoadedImageProtocolGuid, (VOID **) &ImageInfo);
+
+ //
+ // Verify whether this image is a driver, if not,
+ // exit it and continue to parse next load option
+ //
+ if (ImageInfo->ImageCodeType != EfiBootServicesCode && ImageInfo->ImageCodeType != EfiRuntimeServicesCode) {
+ gBS->Exit (ImageHandle, EFI_INVALID_PARAMETER, 0, NULL);
+ continue;
+ }
+
+ 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 ((DEBUG_INFO | DEBUG_LOAD, "Driver Return Status = %r\n", Status));
+
+ //
+ // Clear the Watchdog Timer after the image returns
+ //
+ gBS->SetWatchdogTimer (0x0000, 0x0000, 0x0000, NULL);
+ }
+ }
+ //
+ // Process the LOAD_OPTION_FORCE_RECONNECT driver option
+ //
+ if (ReconnectAll) {
+ BdsLibDisconnectAllEfi ();
+ BdsLibConnectAll ();
+ }
+
+}
+
+
+/**
+ Get the Option Number that does not used
+ Try to locate the specific option variable one by one untile find a free number
+
+ @param VariableName Indicate if the boot#### or driver#### option
+
+ @return The Minimal Free Option Number
+
+**/
+UINT16
+BdsLibGetFreeOptionNumber (
+ IN CHAR16 *VariableName
+ )
+{
+ UINT16 Number;
+ UINTN Index;
+ CHAR16 StrTemp[10];
+ UINT16 *OptionBuffer;
+ UINTN OptionSize;
+
+ //
+ // Try to find the minimum free number from 0, 1, 2, 3....
+ //
+ Index = 0;
+ do {
+ if (*VariableName == 'B') {
+ UnicodeSPrint (StrTemp, sizeof (StrTemp), L"Boot%04x", Index);
+ } else {
+ UnicodeSPrint (StrTemp, sizeof (StrTemp), L"Driver%04x", Index);
+ }
+ //
+ // try if the option number is used
+ //
+ OptionBuffer = BdsLibGetVariableAndSize (
+ StrTemp,
+ &gEfiGlobalVariableGuid,
+ &OptionSize
+ );
+ if (OptionBuffer == NULL) {
+ break;
+ }
+ Index++;
+ } while (1);
+
+ Number = (UINT16) Index;
+ return Number;
+}
+
+
+/**
+ This function will register the new boot#### or driver#### option base on
+ the VariableName. The new registered boot#### or driver#### will be linked
+ to BdsOptionList and also update to the VariableName. After the boot#### or
+ driver#### updated, the BootOrder or DriverOrder will also be updated.
+
+ @param BdsOptionList The header of the boot#### or driver#### link list
+ @param DevicePath The device path which the boot#### or driver####
+ option present
+ @param String The description of the boot#### or driver####
+ @param VariableName Indicate if the boot#### or driver#### option
+
+ @retval EFI_SUCCESS The boot#### or driver#### have been success
+ registered
+ @retval EFI_STATUS Return the status of gRT->SetVariable ().
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibRegisterNewOption (
+ IN LIST_ENTRY *BdsOptionList,
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
+ IN CHAR16 *String,
+ IN CHAR16 *VariableName
+ )
+{
+ EFI_STATUS Status;
+ UINTN Index;
+ UINT16 RegisterOptionNumber;
+ UINT16 *TempOptionPtr;
+ UINTN TempOptionSize;
+ UINT16 *OptionOrderPtr;
+ VOID *OptionPtr;
+ UINTN OptionSize;
+ UINT8 *TempPtr;
+ EFI_DEVICE_PATH_PROTOCOL *OptionDevicePath;
+ CHAR16 *Description;
+ CHAR16 OptionName[10];
+ BOOLEAN UpdateDescription;
+ UINT16 BootOrderEntry;
+ UINTN OrderItemNum;
+
+
+ OptionPtr = NULL;
+ OptionSize = 0;
+ TempPtr = NULL;
+ OptionDevicePath = NULL;
+ Description = NULL;
+ OptionOrderPtr = NULL;
+ UpdateDescription = FALSE;
+ ZeroMem (OptionName, sizeof (OptionName));
+
+ TempOptionSize = 0;
+ TempOptionPtr = BdsLibGetVariableAndSize (
+ VariableName,
+ &gEfiGlobalVariableGuid,
+ &TempOptionSize
+ );
+
+ //
+ // Compare with current option variable
+ //
+ for (Index = 0; Index < TempOptionSize / sizeof (UINT16); Index++) {
+
+ if (*VariableName == 'B') {
+ UnicodeSPrint (OptionName, sizeof (OptionName), L"Boot%04x", TempOptionPtr[Index]);
+ } else {
+ UnicodeSPrint (OptionName, sizeof (OptionName), L"Driver%04x", TempOptionPtr[Index]);
+ }
+
+ OptionPtr = BdsLibGetVariableAndSize (
+ OptionName,
+ &gEfiGlobalVariableGuid,
+ &OptionSize
+ );
+ if (OptionPtr == NULL) {
+ continue;
+ }
+ TempPtr = OptionPtr;
+ TempPtr += sizeof (UINT32) + sizeof (UINT16);
+ Description = (CHAR16 *) TempPtr;
+ TempPtr += StrSize ((CHAR16 *) TempPtr);
+ OptionDevicePath = (EFI_DEVICE_PATH_PROTOCOL *) TempPtr;
+
+ //
+ // Notes: the description may will change base on the GetStringToken
+ //
+ if (CompareMem (OptionDevicePath, DevicePath, GetDevicePathSize (OptionDevicePath)) == 0) {
+ if (CompareMem (Description, String, StrSize (Description)) == 0) {
+ //
+ // Got the option, so just return
+ //
+ gBS->FreePool (OptionPtr);
+ gBS->FreePool (TempOptionPtr);
+ return EFI_SUCCESS;
+ } else {
+ //
+ // Option description changed, need update.
+ //
+ UpdateDescription = TRUE;
+ gBS->FreePool (OptionPtr);
+ break;
+ }
+ }
+
+ gBS->FreePool (OptionPtr);
+ }
+
+ OptionSize = sizeof (UINT32) + sizeof (UINT16) + StrSize (String);
+ OptionSize += GetDevicePathSize (DevicePath);
+ OptionPtr = AllocateZeroPool (OptionSize);
+ TempPtr = OptionPtr;
+ *(UINT32 *) TempPtr = LOAD_OPTION_ACTIVE;
+ TempPtr += sizeof (UINT32);
+ *(UINT16 *) TempPtr = (UINT16) GetDevicePathSize (DevicePath);
+ TempPtr += sizeof (UINT16);
+ CopyMem (TempPtr, String, StrSize (String));
+ TempPtr += StrSize (String);
+ CopyMem (TempPtr, DevicePath, GetDevicePathSize (DevicePath));
+
+ if (UpdateDescription) {
+ //
+ // The number in option#### to be updated
+ //
+ RegisterOptionNumber = TempOptionPtr[Index];
+ } else {
+ //
+ // The new option#### number
+ //
+ RegisterOptionNumber = BdsLibGetFreeOptionNumber(VariableName);
+ }
+
+ if (*VariableName == 'B') {
+ UnicodeSPrint (OptionName, sizeof (OptionName), L"Boot%04x", RegisterOptionNumber);
+ } else {
+ UnicodeSPrint (OptionName, sizeof (OptionName), L"Driver%04x", RegisterOptionNumber);
+ }
+
+ Status = gRT->SetVariable (
+ OptionName,
+ &gEfiGlobalVariableGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
+ OptionSize,
+ OptionPtr
+ );
+ //
+ // Return if only need to update a changed description or fail to set option.
+ //
+ if (EFI_ERROR (Status) || UpdateDescription) {
+ gBS->FreePool (OptionPtr);
+ gBS->FreePool (TempOptionPtr);
+ return Status;
+ }
+
+ gBS->FreePool (OptionPtr);
+
+ //
+ // Update the option order variable
+ //
+
+ //
+ // If no option order
+ //
+ if (TempOptionSize == 0) {
+ BootOrderEntry = 0;
+ Status = gRT->SetVariable (
+ VariableName,
+ &gEfiGlobalVariableGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
+ sizeof (UINT16),
+ &BootOrderEntry
+ );
+ if (EFI_ERROR (Status)) {
+ gBS->FreePool (TempOptionPtr);
+ return Status;
+ }
+ return EFI_SUCCESS;
+ }
+
+ //
+ // Append the new option number to the original option order
+ //
+ OrderItemNum = (TempOptionSize / sizeof (UINT16)) + 1 ;
+ OptionOrderPtr = AllocateZeroPool ( OrderItemNum * sizeof (UINT16));
+ CopyMem (OptionOrderPtr, TempOptionPtr, (OrderItemNum - 1) * sizeof (UINT16));
+
+ OptionOrderPtr[Index] = RegisterOptionNumber;
+
+ Status = gRT->SetVariable (
+ VariableName,
+ &gEfiGlobalVariableGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
+ OrderItemNum * sizeof (UINT16),
+ OptionOrderPtr
+ );
+ if (EFI_ERROR (Status)) {
+ gBS->FreePool (TempOptionPtr);
+ gBS->FreePool (OptionOrderPtr);
+ return Status;
+ }
+
+ gBS->FreePool (TempOptionPtr);
+ gBS->FreePool (OptionOrderPtr);
+
+ return EFI_SUCCESS;
+}
+
+
+/**
+ Build the boot#### or driver#### option from the VariableName, the
+ build boot#### or driver#### will also be linked to BdsCommonOptionList
+
+ @param BdsCommonOptionList The header of the boot#### or driver#### option
+ link list
+ @param VariableName EFI Variable name indicate if it is boot#### or
+ driver####
+
+ @retval BDS_COMMON_OPTION Get the option just been created
+ @retval NULL Failed to get the new option
+
+**/
+BDS_COMMON_OPTION *
+EFIAPI
+BdsLibVariableToOption (
+ IN OUT LIST_ENTRY *BdsCommonOptionList,
+ IN CHAR16 *VariableName
+ )
+{
+ UINT32 Attribute;
+ UINT16 FilePathSize;
+ UINT8 *Variable;
+ UINT8 *TempPtr;
+ UINTN VariableSize;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ BDS_COMMON_OPTION *Option;
+ VOID *LoadOptions;
+ UINT32 LoadOptionsSize;
+ CHAR16 *Description;
+ UINT8 NumOff;
+ //
+ // Read the variable. We will never free this data.
+ //
+ Variable = BdsLibGetVariableAndSize (
+ VariableName,
+ &gEfiGlobalVariableGuid,
+ &VariableSize
+ );
+ if (Variable == NULL) {
+ return NULL;
+ }
+ //
+ // Notes: careful defined the variable of Boot#### or
+ // Driver####, consider use some macro to abstract the code
+ //
+ //
+ // Get the option attribute
+ //
+ TempPtr = Variable;
+ Attribute = *(UINT32 *) Variable;
+ TempPtr += sizeof (UINT32);
+
+ //
+ // Get the option's device path size
+ //
+ FilePathSize = *(UINT16 *) TempPtr;
+ TempPtr += sizeof (UINT16);
+
+ //
+ // Get the option's description string
+ //
+ Description = (CHAR16 *) TempPtr;
+
+ //
+ // Get the option's description string size
+ //
+ TempPtr += StrSize ((CHAR16 *) TempPtr);
+
+ //
+ // Get the option's device path
+ //
+ DevicePath = (EFI_DEVICE_PATH_PROTOCOL *) TempPtr;
+ TempPtr += FilePathSize;
+
+ LoadOptions = TempPtr;
+ LoadOptionsSize = (UINT32) (VariableSize - (UINTN) (TempPtr - Variable));
+
+ //
+ // The Console variables may have multiple device paths, so make
+ // an Entry for each one.
+ //
+ Option = AllocateZeroPool (sizeof (BDS_COMMON_OPTION));
+ if (Option == NULL) {
+ return NULL;
+ }
+
+ Option->Signature = BDS_LOAD_OPTION_SIGNATURE;
+ Option->DevicePath = AllocateZeroPool (GetDevicePathSize (DevicePath));
+ CopyMem (Option->DevicePath, DevicePath, GetDevicePathSize (DevicePath));
+ Option->Attribute = Attribute;
+ Option->Description = AllocateZeroPool (StrSize (Description));
+ CopyMem (Option->Description, Description, StrSize (Description));
+ Option->LoadOptions = AllocateZeroPool (LoadOptionsSize);
+ CopyMem (Option->LoadOptions, LoadOptions, LoadOptionsSize);
+ Option->LoadOptionsSize = LoadOptionsSize;
+
+ //
+ // Get the value from VariableName Unicode string
+ // since the ISO standard assumes ASCII equivalent abbreviations, we can be safe in converting this
+ // Unicode stream to ASCII without any loss in meaning.
+ //
+ if (*VariableName == 'B') {
+ NumOff = sizeof (L"Boot")/sizeof(CHAR16) -1 ;
+ Option->BootCurrent = (UINT16) ((VariableName[NumOff] -'0') * 0x1000);
+ Option->BootCurrent = (UINT16) (Option->BootCurrent + ((VariableName[NumOff+1]-'0') * 0x100));
+ Option->BootCurrent = (UINT16) (Option->BootCurrent + ((VariableName[NumOff+2]-'0') * 0x10));
+ Option->BootCurrent = (UINT16) (Option->BootCurrent + ((VariableName[NumOff+3]-'0')));
+ }
+ //
+ // Insert active entry to BdsDeviceList
+ //
+ if ((Option->Attribute & LOAD_OPTION_ACTIVE) == LOAD_OPTION_ACTIVE) {
+ InsertTailList (BdsCommonOptionList, &Option->Link);
+ gBS->FreePool (Variable);
+ return Option;
+ }
+
+ gBS->FreePool (Variable);
+ gBS->FreePool (Option);
+ return NULL;
+
+}
+
+
+/**
+ Process BootOrder, or DriverOrder variables, by calling
+ BdsLibVariableToOption () for each UINT16 in the variables.
+
+ @param BdsCommonOptionList The header of the option list base on variable
+ VariableName
+ @param VariableName EFI Variable name indicate the BootOrder or
+ DriverOrder
+
+ @retval EFI_SUCCESS Success create the boot option or driver option
+ list
+ @retval EFI_OUT_OF_RESOURCES Failed to get the boot option or driver option list
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibBuildOptionFromVar (
+ IN LIST_ENTRY *BdsCommonOptionList,
+ IN CHAR16 *VariableName
+ )
+{
+ UINT16 *OptionOrder;
+ UINTN OptionOrderSize;
+ UINTN Index;
+ BDS_COMMON_OPTION *Option;
+ CHAR16 OptionName[20];
+
+ //
+ // Zero Buffer in order to get all BOOT#### variables
+ //
+ ZeroMem (OptionName, sizeof (OptionName));
+
+ //
+ // Read the BootOrder, or DriverOrder variable.
+ //
+ OptionOrder = BdsLibGetVariableAndSize (
+ VariableName,
+ &gEfiGlobalVariableGuid,
+ &OptionOrderSize
+ );
+ if (OptionOrder == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ for (Index = 0; Index < OptionOrderSize / sizeof (UINT16); Index++) {
+ if (*VariableName == 'B') {
+ UnicodeSPrint (OptionName, sizeof (OptionName), L"Boot%04x", OptionOrder[Index]);
+ } else {
+ UnicodeSPrint (OptionName, sizeof (OptionName), L"Driver%04x", OptionOrder[Index]);
+ }
+
+ Option = BdsLibVariableToOption (BdsCommonOptionList, OptionName);
+ Option->BootCurrent = OptionOrder[Index];
+
+ }
+
+ gBS->FreePool (OptionOrder);
+
+ return EFI_SUCCESS;
+}
+
+
+/**
+ Get boot mode by looking up configuration table and parsing HOB list
+
+ @param BootMode Boot mode from PEI handoff HOB.
+
+ @retval EFI_SUCCESS Successfully get boot mode
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibGetBootMode (
+ OUT EFI_BOOT_MODE *BootMode
+ )
+{
+ *BootMode = GetBootModeHob ();
+
+ return EFI_SUCCESS;
+}
+
+
+/**
+ Read the EFI variable (VendorGuid/Name) and return a dynamically allocated
+ buffer, and the size of the buffer. If failure return NULL.
+
+ @param Name String part of EFI variable name
+ @param VendorGuid GUID part of EFI variable name
+ @param VariableSize Returns the size of the EFI variable that was read
+
+ @return Dynamically allocated memory that contains a copy of the EFI variable.
+ @return Caller is responsible freeing the buffer.
+ @retval NULL Variable was not read
+
+**/
+VOID *
+EFIAPI
+BdsLibGetVariableAndSize (
+ IN CHAR16 *Name,
+ IN EFI_GUID *VendorGuid,
+ OUT UINTN *VariableSize
+ )
+{
+ EFI_STATUS Status;
+ UINTN BufferSize;
+ VOID *Buffer;
+
+ Buffer = NULL;
+
+ //
+ // Pass in a zero size buffer to find the required buffer size.
+ //
+ BufferSize = 0;
+ Status = gRT->GetVariable (Name, VendorGuid, NULL, &BufferSize, Buffer);
+ if (Status == EFI_BUFFER_TOO_SMALL) {
+ //
+ // Allocate the buffer to return
+ //
+ Buffer = AllocateZeroPool (BufferSize);
+ if (Buffer == NULL) {
+ return NULL;
+ }
+ //
+ // Read variable into the allocated buffer.
+ //
+ Status = gRT->GetVariable (Name, VendorGuid, NULL, &BufferSize, Buffer);
+ if (EFI_ERROR (Status)) {
+ BufferSize = 0;
+ }
+ }
+
+ *VariableSize = BufferSize;
+ return Buffer;
+}
+
+
+/**
+ Delete the instance in Multi which matches partly with Single instance
+
+ @param Multi A pointer to a multi-instance device path data
+ structure.
+ @param Single A pointer to a single-instance device path data
+ structure.
+
+ @return This function will remove the device path instances in Multi which partly
+ match with the Single, and return the result device path. If there is no
+ remaining device path as a result, this function will return NULL.
+
+**/
+EFI_DEVICE_PATH_PROTOCOL *
+EFIAPI
+BdsLibDelPartMatchInstance (
+ IN EFI_DEVICE_PATH_PROTOCOL *Multi,
+ IN EFI_DEVICE_PATH_PROTOCOL *Single
+ )
+{
+ EFI_DEVICE_PATH_PROTOCOL *Instance;
+ EFI_DEVICE_PATH_PROTOCOL *NewDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *TempNewDevicePath;
+ UINTN InstanceSize;
+ UINTN SingleDpSize;
+ UINTN Size;
+
+ NewDevicePath = NULL;
+ TempNewDevicePath = NULL;
+
+ if (Multi == NULL || Single == NULL) {
+ return Multi;
+ }
+
+ Instance = GetNextDevicePathInstance (&Multi, &InstanceSize);
+ SingleDpSize = GetDevicePathSize (Single) - END_DEVICE_PATH_LENGTH;
+ InstanceSize -= END_DEVICE_PATH_LENGTH;
+
+ while (Instance != NULL) {
+
+ Size = (SingleDpSize < InstanceSize) ? SingleDpSize : InstanceSize;
+
+ if ((CompareMem (Instance, Single, Size) != 0)) {
+ //
+ // Append the device path instance which does not match with Single
+ //
+ TempNewDevicePath = NewDevicePath;
+ NewDevicePath = AppendDevicePathInstance (NewDevicePath, Instance);
+ SafeFreePool(TempNewDevicePath);
+ }
+ SafeFreePool(Instance);
+ Instance = GetNextDevicePathInstance (&Multi, &InstanceSize);
+ InstanceSize -= END_DEVICE_PATH_LENGTH;
+ }
+
+ return NewDevicePath;
+}
+
+
+/**
+ Function compares a device path data structure to that of all the nodes of a
+ second device path instance.
+
+ @param Multi A pointer to a multi-instance device path data
+ structure.
+ @param Single A pointer to a single-instance device path data
+ structure.
+
+ @retval TRUE If the Single is contained within Multi
+ @retval FALSE The Single is not match within Multi
+
+**/
+BOOLEAN
+EFIAPI
+BdsLibMatchDevicePaths (
+ IN EFI_DEVICE_PATH_PROTOCOL *Multi,
+ IN EFI_DEVICE_PATH_PROTOCOL *Single
+ )
+{
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePathInst;
+ UINTN Size;
+
+ if (!Multi || !Single) {
+ return FALSE;
+ }
+
+ DevicePath = Multi;
+ DevicePathInst = GetNextDevicePathInstance (&DevicePath, &Size);
+
+ //
+ // Search for the match of 'Single' in 'Multi'
+ //
+ while (DevicePathInst != NULL) {
+ //
+ // If the single device path is found in multiple device paths,
+ // return success
+ //
+ if (CompareMem (Single, DevicePathInst, Size) == 0) {
+ gBS->FreePool (DevicePathInst);
+ return TRUE;
+ }
+
+ gBS->FreePool (DevicePathInst);
+ DevicePathInst = GetNextDevicePathInstance (&DevicePath, &Size);
+ }
+
+ return FALSE;
+}
+
+
+/**
+ This function prints a series of strings.
+
+ @param ConOut Pointer to EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL
+ @param ... A variable argument list containing series of
+ strings, the last string must be NULL.
+
+ @retval EFI_SUCCESS Success print out the string using ConOut.
+ @retval EFI_STATUS Return the status of the ConOut->OutputString ().
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibOutputStrings (
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *ConOut,
+ ...
+ )
+{
+ VA_LIST args;
+ EFI_STATUS Status;
+ CHAR16 *String;
+
+ Status = EFI_SUCCESS;
+ VA_START (args, ConOut);
+
+ while (!EFI_ERROR (Status)) {
+ //
+ // If String is NULL, then it's the end of the list
+ //
+ String = VA_ARG (args, CHAR16 *);
+ if (!String) {
+ break;
+ }
+
+ Status = ConOut->OutputString (ConOut, String);
+
+ if (EFI_ERROR (Status)) {
+ break;
+ }
+ }
+
+ return Status;
+}
+
+//
+// Following are BDS Lib functions which contain all the code about setup browser reset reminder feature.
+// Setup Browser reset reminder feature is that an reset reminder will be given before user leaves the setup browser if
+// user change any option setting which needs a reset to be effective, and the reset will be applied according to the user selection.
+//
+
+
+/**
+ Enable the setup browser reset reminder feature.
+ This routine is used in platform tip. If the platform policy need the feature, use the routine to enable it.
+
+**/
+VOID
+EFIAPI
+EnableResetReminderFeature (
+ VOID
+ )
+{
+ mFeaturerSwitch = TRUE;
+}
+
+
+/**
+ Disable the setup browser reset reminder feature.
+ This routine is used in platform tip. If the platform policy do not want the feature, use the routine to disable it.
+
+**/
+VOID
+EFIAPI
+DisableResetReminderFeature (
+ VOID
+ )
+{
+ mFeaturerSwitch = FALSE;
+}
+
+
+/**
+ Record the info that a reset is required.
+ A module boolean variable is used to record whether a reset is required.
+
+**/
+VOID
+EFIAPI
+EnableResetRequired (
+ VOID
+ )
+{
+ mResetRequired = TRUE;
+}
+
+
+/**
+ Record the info that no reset is required.
+ A module boolean variable is used to record whether a reset is required.
+
+**/
+VOID
+EFIAPI
+DisableResetRequired (
+ VOID
+ )
+{
+ mResetRequired = FALSE;
+}
+
+
+/**
+ Check whether platform policy enable the reset reminder feature. The default is enabled.
+
+**/
+BOOLEAN
+EFIAPI
+IsResetReminderFeatureEnable (
+ VOID
+ )
+{
+ return mFeaturerSwitch;
+}
+
+
+/**
+ Check if user changed any option setting which needs a system reset to be effective.
+
+**/
+BOOLEAN
+EFIAPI
+IsResetRequired (
+ VOID
+ )
+{
+ return mResetRequired;
+}
+
+
+/**
+ Check whether a reset is needed, and finish the reset reminder feature.
+ If a reset is needed, Popup a menu to notice user, and finish the feature
+ according to the user selection.
+
+**/
+VOID
+EFIAPI
+SetupResetReminder (
+ VOID
+ )
+{
+ EFI_INPUT_KEY Key;
+ CHAR16 *StringBuffer1;
+ CHAR16 *StringBuffer2;
+
+
+ //
+ //check any reset required change is applied? if yes, reset system
+ //
+ if (IsResetReminderFeatureEnable ()) {
+ if (IsResetRequired ()) {
+
+ StringBuffer1 = AllocateZeroPool (MAX_STRING_LEN * sizeof (CHAR16));
+ ASSERT (StringBuffer1 != NULL);
+ StringBuffer2 = AllocateZeroPool (MAX_STRING_LEN * sizeof (CHAR16));
+ ASSERT (StringBuffer2 != NULL);
+ StrCpy (StringBuffer1, L"Configuration changed. Reset to apply it Now ? ");
+ StrCpy (StringBuffer2, L"Enter (YES) / Esc (NO)");
+ //
+ // Popup a menu to notice user
+ //
+ do {
+ IfrLibCreatePopUp (2, &Key, StringBuffer1, StringBuffer2);
+ } while ((Key.ScanCode != SCAN_ESC) && (Key.UnicodeChar != CHAR_CARRIAGE_RETURN));
+
+ gBS->FreePool (StringBuffer1);
+ gBS->FreePool (StringBuffer2);
+ //
+ // If the user hits the YES Response key, reset
+ //
+ if ((Key.UnicodeChar == CHAR_CARRIAGE_RETURN)) {
+ gRT->ResetSystem (EfiResetCold, EFI_SUCCESS, 0, NULL);
+ }
+ gST->ConOut->ClearScreen (gST->ConOut);
+ }
+ }
+}
+
+
+/**
+ Get the headers (dos, image, optional header) from an image
+
+ @param Device SimpleFileSystem device handle
+ @param FileName File name for the image
+ @param DosHeader Pointer to dos header
+ @param ImageHeader Pointer to image header
+ @param OptionalHeader Pointer to optional header
+
+ @retval EFI_SUCCESS Successfully get the machine type.
+ @retval EFI_NOT_FOUND The file is not found.
+ @retval EFI_LOAD_ERROR File is not a valid image file.
+
+**/
+EFI_STATUS
+EFIAPI
+BdsLibGetImageHeader (
+ IN EFI_HANDLE Device,
+ IN CHAR16 *FileName,
+ OUT EFI_IMAGE_DOS_HEADER *DosHeader,
+ OUT EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr
+ )
+{
+ EFI_STATUS Status;
+ EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *Volume;
+ EFI_FILE_HANDLE Root;
+ EFI_FILE_HANDLE ThisFile;
+ UINTN BufferSize;
+ UINT64 FileSize;
+ EFI_FILE_INFO *Info;
+
+ Root = NULL;
+ ThisFile = NULL;
+ //
+ // Handle the file system interface to the device
+ //
+ Status = gBS->HandleProtocol (
+ Device,
+ &gEfiSimpleFileSystemProtocolGuid,
+ (VOID *) &Volume
+ );
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+
+ Status = Volume->OpenVolume (
+ Volume,
+ &Root
+ );
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+
+ Status = Root->Open (Root, &ThisFile, FileName, EFI_FILE_MODE_READ, 0);
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+
+ //
+ // Get file size
+ //
+ BufferSize = SIZE_OF_EFI_FILE_INFO + 200;
+ do {
+ Info = NULL;
+ Status = gBS->AllocatePool (EfiBootServicesData, BufferSize, (VOID **) &Info);
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+ Status = ThisFile->GetInfo (
+ ThisFile,
+ &gEfiFileInfoGuid,
+ &BufferSize,
+ Info
+ );
+ if (!EFI_ERROR (Status)) {
+ break;
+ }
+ if (Status != EFI_BUFFER_TOO_SMALL) {
+ goto Done;
+ }
+ gBS->FreePool (Info);
+ } while (TRUE);
+
+ FileSize = Info->FileSize;
+ gBS->FreePool (Info);
+
+ //
+ // Read dos header
+ //
+ BufferSize = sizeof (EFI_IMAGE_DOS_HEADER);
+ Status = ThisFile->Read (ThisFile, &BufferSize, DosHeader);
+ if (EFI_ERROR (Status) ||
+ BufferSize < sizeof (EFI_IMAGE_DOS_HEADER) ||
+ FileSize <= DosHeader->e_lfanew ||
+ DosHeader->e_magic != EFI_IMAGE_DOS_SIGNATURE) {
+ Status = EFI_LOAD_ERROR;
+ goto Done;
+ }
+
+ //
+ // Move to PE signature
+ //
+ Status = ThisFile->SetPosition (ThisFile, DosHeader->e_lfanew);
+ if (EFI_ERROR (Status)) {
+ Status = EFI_LOAD_ERROR;
+ goto Done;
+ }
+
+ //
+ // Read and check PE signature
+ //
+ BufferSize = sizeof (EFI_IMAGE_OPTIONAL_HEADER_UNION);
+ Status = ThisFile->Read (ThisFile, &BufferSize, Hdr.Pe32);
+ if (EFI_ERROR (Status) ||
+ BufferSize < sizeof (EFI_IMAGE_OPTIONAL_HEADER_UNION) ||
+ Hdr.Pe32->Signature != EFI_IMAGE_NT_SIGNATURE) {
+ Status = EFI_LOAD_ERROR;
+ goto Done;
+ }
+
+ //
+ // Check PE32 or PE32+ magic
+ //
+ if (Hdr.Pe32->OptionalHeader.Magic != EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC &&
+ Hdr.Pe32->OptionalHeader.Magic != EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC) {
+ Status = EFI_LOAD_ERROR;
+ goto Done;
+ }
+
+ Done:
+ if (ThisFile != NULL) {
+ ThisFile->Close (ThisFile);
+ }
+ if (Root != NULL) {
+ Root->Close (Root);
+ }
+ return Status;
+}
+
+VOID
+EFIAPI
+BdsSetMemoryTypeInformationVariable (
+ EFI_EVENT Event,
+ VOID *Context
+ )
+/*++
+
+Routine Description:
+
+ This routine is a notification function for legayc boot or exit boot
+ service event. It will adjust the memory information for different
+ memory type and save them into the variables for next boot
+
+Arguments:
+
+ Event - The event that triggered this notification function
+ Context - Pointer to the notification functions context
+
+Returns:
+
+ None.
+
+--*/
+{
+ EFI_STATUS Status;
+ EFI_MEMORY_TYPE_INFORMATION *PreviousMemoryTypeInformation;
+ EFI_MEMORY_TYPE_INFORMATION *CurrentMemoryTypeInformation;
+ UINTN VariableSize;
+ BOOLEAN UpdateRequired;
+ UINTN Index;
+ UINTN Index1;
+ UINT32 Previous;
+ UINT32 Current;
+ UINT32 Next;
+ EFI_HOB_GUID_TYPE *GuidHob;
+
+ UpdateRequired = FALSE;
+
+ //
+ // Retrieve the current memory usage statistics. If they are not found, then
+ // no adjustments can be made to the Memory Type Information variable.
+ //
+ Status = EfiGetSystemConfigurationTable (
+ &gEfiMemoryTypeInformationGuid,
+ (VOID **) &CurrentMemoryTypeInformation
+ );
+ if (EFI_ERROR (Status)) {
+ return;
+ }
+
+ //
+ // Get the Memory Type Information settings from Hob if they exist,
+ // PEI is responsible for getting them from variable and build a Hob to save them.
+ // If the previous Memory Type Information is not available, then set defaults
+ //
+ GuidHob = GetFirstGuidHob (&gEfiMemoryTypeInformationGuid);
+ if (GuidHob == NULL) {
+ //
+ // If Platform has not built Memory Type Info into the Hob, just return.
+ //
+ return;
+ }
+ PreviousMemoryTypeInformation = GET_GUID_HOB_DATA (GuidHob);
+ VariableSize = GET_GUID_HOB_DATA_SIZE (GuidHob);
+
+ //
+ // Use a heuristic to adjust the Memory Type Information for the next boot
+ //
+ for (Index = 0; PreviousMemoryTypeInformation[Index].Type != EfiMaxMemoryType; Index++) {
+
+ Current = 0;
+ for (Index1 = 0; CurrentMemoryTypeInformation[Index1].Type != EfiMaxMemoryType; Index1++) {
+ if (PreviousMemoryTypeInformation[Index].Type == CurrentMemoryTypeInformation[Index1].Type) {
+ Current = CurrentMemoryTypeInformation[Index1].NumberOfPages;
+ break;
+ }
+ }
+
+ if (CurrentMemoryTypeInformation[Index1].Type == EfiMaxMemoryType) {
+ continue;
+ }
+
+ Previous = PreviousMemoryTypeInformation[Index].NumberOfPages;
+
+ //
+ // Write next varible to 125% * current and Inconsistent Memory Reserved across bootings may lead to S4 fail
+ //
+ if (Current > Previous) {
+ Next = Current + (Current >> 2);
+ } else {
+ Next = Previous;
+ }
+ if (Next > 0 && Next < 4) {
+ Next = 4;
+ }
+
+ if (Next != Previous) {
+ PreviousMemoryTypeInformation[Index].NumberOfPages = Next;
+ UpdateRequired = TRUE;
+ }
+
+ }
+
+ //
+ // If any changes were made to the Memory Type Information settings, then set the new variable value
+ //
+ if (UpdateRequired) {
+ Status = gRT->SetVariable (
+ EFI_MEMORY_TYPE_INFORMATION_VARIABLE_NAME,
+ &gEfiMemoryTypeInformationGuid,
+ EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
+ VariableSize,
+ PreviousMemoryTypeInformation
+ );
+ }
+
+ return;
+}
+
+
+/**
+ This routine register a function to adjust the different type memory page number just before booting
+ and save the updated info into the variable for next boot to use
+
+**/
+VOID
+EFIAPI
+BdsLibSaveMemoryTypeInformation (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+ EFI_EVENT ReadyToBootEvent;
+
+ Status = EfiCreateEventReadyToBootEx (
+ TPL_CALLBACK,
+ BdsSetMemoryTypeInformationVariable,
+ NULL,
+ &ReadyToBootEvent
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR,"Bds Set Memory Type Informationa Variable Fails\n"));
+ }
+
+}
+
+
diff --git a/MdeModulePkg/Library/GenericBdsLib/DevicePath.c b/MdeModulePkg/Library/GenericBdsLib/DevicePath.c index 6701fd2b44..7801def6b6 100644 --- a/MdeModulePkg/Library/GenericBdsLib/DevicePath.c +++ b/MdeModulePkg/Library/GenericBdsLib/DevicePath.c @@ -1,1311 +1,1302 @@ -/** @file - -Copyright (c) 2004 - 2007, 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: - - DevicePath.c - -Abstract: - - BDS internal function define the default device path string, it can be - replaced by platform device path. - - -**/ - -#include "InternalBdsLib.h" - -// -// Platform Code should implement the Vendor specific Device Path display routine. -// -extern -VOID -DevPathVendor ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -; - -EFI_GUID mEfiDevicePathMessagingUartFlowControlGuid = DEVICE_PATH_MESSAGING_UART_FLOW_CONTROL; - -EFI_GUID mEfiDevicePathMessagingSASGuid = DEVICE_PATH_MESSAGING_SAS; - - -VOID * -ReallocatePool ( - IN VOID *OldPool, - IN UINTN OldSize, - IN UINTN NewSize - ) -/*++ - -Routine Description: - - Adjusts the size of a previously allocated buffer. - -Arguments: - - OldPool - A pointer to the buffer whose size is being adjusted. - - OldSize - The size of the current buffer. - - NewSize - The size of the new buffer. - -Returns: - - EFI_SUCEESS - The requested number of bytes were allocated. - - EFI_OUT_OF_RESOURCES - The pool requested could not be allocated. - - EFI_INVALID_PARAMETER - The buffer was invalid. - ---*/ -{ - VOID *NewPool; - - NewPool = NULL; - if (NewSize) { - NewPool = AllocateZeroPool (NewSize); - } - - if (OldPool) { - if (NewPool) { - CopyMem (NewPool, OldPool, OldSize < NewSize ? OldSize : NewSize); - } - - gBS->FreePool (OldPool); - } - - return NewPool; -} - - -/** - Concatenates a formatted unicode string to allocated pool. - The caller must free the resulting buffer. - - @param Str Tracks the allocated pool, size in use, and amount of pool - allocated. - @param fmt The format string - - @return Allocated buffer with the formatted string printed in it. - @return The caller must free the allocated buffer. The buffer - @return allocation is not packed. - -**/ -CHAR16 * -CatPrint ( - IN OUT POOL_PRINT *Str, - IN CHAR16 *fmt, - ... - ) -{ - UINT16 *AppendStr; - VA_LIST args; - UINTN strsize; - - AppendStr = AllocateZeroPool (0x1000); - if (AppendStr == NULL) { - return Str->str; - } - - VA_START (args, fmt); - UnicodeVSPrint (AppendStr, 0x1000, fmt, args); - VA_END (args); - if (NULL == Str->str) { - strsize = StrSize (AppendStr); - Str->str = AllocateZeroPool (strsize); - ASSERT (Str->str != NULL); - } else { - strsize = StrSize (AppendStr); - strsize += (StrSize (Str->str) - sizeof (UINT16)); - - Str->str = ReallocatePool ( - Str->str, - StrSize (Str->str), - strsize - ); - ASSERT (Str->str != NULL); - } - - Str->maxlen = MAX_CHAR * sizeof (UINT16); - if (strsize < Str->maxlen) { - StrCat (Str->str, AppendStr); - Str->len = strsize - sizeof (UINT16); - } - - gBS->FreePool (AppendStr); - return Str->str; -} - - -/** - Function unpacks a device path data structure so that all the nodes - of a device path are naturally aligned. - - @param DevPath A pointer to a device path data structure - - @return If the memory for the device path is successfully allocated, then a - @return pointer to the new device path is returned. Otherwise, NULL is returned. - -**/ -EFI_DEVICE_PATH_PROTOCOL * -BdsLibUnpackDevicePath ( - IN EFI_DEVICE_PATH_PROTOCOL *DevPath - ) -{ - EFI_DEVICE_PATH_PROTOCOL *Src; - EFI_DEVICE_PATH_PROTOCOL *Dest; - EFI_DEVICE_PATH_PROTOCOL *NewPath; - UINTN Size; - - // - // Walk device path and round sizes to valid boundries - // - Src = DevPath; - Size = 0; - for (;;) { - Size += DevicePathNodeLength (Src); - Size += ALIGN_SIZE (Size); - - if (IsDevicePathEnd (Src)) { - break; - } - - Src = NextDevicePathNode (Src); - } - // - // Allocate space for the unpacked path - // - NewPath = AllocateZeroPool (Size); - if (NewPath) { - - ASSERT (((UINTN) NewPath) % MIN_ALIGNMENT_SIZE == 0); - - // - // Copy each node - // - Src = DevPath; - Dest = NewPath; - for (;;) { - Size = DevicePathNodeLength (Src); - CopyMem (Dest, Src, Size); - Size += ALIGN_SIZE (Size); - SetDevicePathNodeLength (Dest, Size); - Dest->Type |= EFI_DP_TYPE_UNPACKED; - Dest = (EFI_DEVICE_PATH_PROTOCOL *) (((UINT8 *) Dest) + Size); - - if (IsDevicePathEnd (Src)) { - break; - } - - Src = NextDevicePathNode (Src); - } - } - - return NewPath; -} - -VOID -DevPathPci ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -{ - PCI_DEVICE_PATH *Pci; - - Pci = DevPath; - CatPrint (Str, L"Pci(%x|%x)", (UINTN) Pci->Device, (UINTN) Pci->Function); -} - -VOID -DevPathPccard ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -{ - PCCARD_DEVICE_PATH *Pccard; - - Pccard = DevPath; - CatPrint (Str, L"Pcmcia(Function%x)", (UINTN) Pccard->FunctionNumber); -} - -VOID -DevPathMemMap ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -{ - MEMMAP_DEVICE_PATH *MemMap; - - MemMap = DevPath; - CatPrint ( - Str, - L"MemMap(%d:%lx-%lx)", - MemMap->MemoryType, - MemMap->StartingAddress, - MemMap->EndingAddress - ); -} - -VOID -DevPathController ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -{ - CONTROLLER_DEVICE_PATH *Controller; - - Controller = DevPath; - CatPrint (Str, L"Ctrl(%d)", (UINTN) Controller->ControllerNumber); -} - - -/** - Convert Vendor device path to device name - - @param Str The buffer store device name - @param DevPath Pointer to vendor device path - - @return When it return, the device name have been stored in *Str. - -**/ -VOID -DevPathVendor ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -{ - VENDOR_DEVICE_PATH *Vendor; - CHAR16 *Type; - UINTN DataLength; - UINTN Index; - UINT32 FlowControlMap; - - UINT16 Info; - - Vendor = DevPath; - - switch (DevicePathType (&Vendor->Header)) { - case HARDWARE_DEVICE_PATH: - Type = L"Hw"; -// bugbug: nt 32 specific definition -#if 0 - // - // If the device is a winntbus device, we will give it a readable device name. - // - if (CompareGuid (&Vendor->Guid, &mEfiWinNtThunkProtocolGuid)) { - CatPrint (Str, L"%s", L"WinNtBus"); - return ; - } else if (CompareGuid (&Vendor->Guid, &mEfiWinNtGopGuid)) { - CatPrint (Str, L"%s", L"GOP"); - return ; - } else if (CompareGuid (&Vendor->Guid, &mEfiWinNtSerialPortGuid)) { - CatPrint (Str, L"%s", L"Serial"); - return ; - } -#endif - break; - - case MESSAGING_DEVICE_PATH: - Type = L"Msg"; - if (CompareGuid (&Vendor->Guid, &gEfiPcAnsiGuid)) { - CatPrint (Str, L"VenPcAnsi()"); - return ; - } else if (CompareGuid (&Vendor->Guid, &gEfiVT100Guid)) { - CatPrint (Str, L"VenVt100()"); - return ; - } else if (CompareGuid (&Vendor->Guid, &gEfiVT100PlusGuid)) { - CatPrint (Str, L"VenVt100Plus()"); - return ; - } else if (CompareGuid (&Vendor->Guid, &gEfiVTUTF8Guid)) { - CatPrint (Str, L"VenUft8()"); - return ; - } else if (CompareGuid (&Vendor->Guid, &mEfiDevicePathMessagingUartFlowControlGuid)) { - FlowControlMap = (((UART_FLOW_CONTROL_DEVICE_PATH *) Vendor)->FlowControlMap); - switch (FlowControlMap & 0x00000003) { - case 0: - CatPrint (Str, L"UartFlowCtrl(%s)", L"None"); - break; - - case 1: - CatPrint (Str, L"UartFlowCtrl(%s)", L"Hardware"); - break; - - case 2: - CatPrint (Str, L"UartFlowCtrl(%s)", L"XonXoff"); - break; - - default: - break; - } - - return ; - - } else if (CompareGuid (&Vendor->Guid, &mEfiDevicePathMessagingSASGuid)) { - CatPrint ( - Str, - L"SAS(%lx,%lx,%x,", - ((SAS_DEVICE_PATH *) Vendor)->SasAddress, - ((SAS_DEVICE_PATH *) Vendor)->Lun, - ((SAS_DEVICE_PATH *) Vendor)->RelativeTargetPort - ); - Info = (((SAS_DEVICE_PATH *) Vendor)->DeviceTopology); - if ((Info & 0x0f) == 0) { - CatPrint (Str, L"NoTopology,0,0,0,"); - } else if (((Info & 0x0f) == 1) || ((Info & 0x0f) == 2)) { - CatPrint ( - Str, - L"%s,%s,%s,", - (Info & (0x1 << 4)) ? L"SATA" : L"SAS", - (Info & (0x1 << 5)) ? L"External" : L"Internal", - (Info & (0x1 << 6)) ? L"Expanded" : L"Direct" - ); - if ((Info & 0x0f) == 1) { - CatPrint (Str, L"0,"); - } else { - CatPrint (Str, L"%x,", (UINTN) ((Info >> 8) & 0xff)); - } - } else { - CatPrint (Str, L"0,0,0,0,"); - } - - CatPrint (Str, L"%x)", (UINTN) ((SAS_DEVICE_PATH *) Vendor)->Reserved); - return ; - - } else if (CompareGuid (&Vendor->Guid, &gEfiDebugPortProtocolGuid)) { - CatPrint (Str, L"DebugPort()"); - return ; - } - break; - - case MEDIA_DEVICE_PATH: - Type = L"Media"; - break; - - default: - Type = L"?"; - break; - } - - CatPrint (Str, L"Ven%s(%g", Type, &Vendor->Guid); - DataLength = DevicePathNodeLength (&Vendor->Header) - sizeof (VENDOR_DEVICE_PATH); - if (DataLength > 0) { - CatPrint (Str, L","); - for (Index = 0; Index < DataLength; Index++) { - CatPrint (Str, L"%02x", (UINTN) ((VENDOR_DEVICE_PATH_WITH_DATA *) Vendor)->VendorDefinedData[Index]); - } - } - CatPrint (Str, L")"); -} - - -VOID -DevPathAcpi ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -{ - ACPI_HID_DEVICE_PATH *Acpi; - - Acpi = DevPath; - if ((Acpi->HID & PNP_EISA_ID_MASK) == PNP_EISA_ID_CONST) { - CatPrint (Str, L"Acpi(PNP%04x,%x)", (UINTN) EISA_ID_TO_NUM (Acpi->HID), (UINTN) Acpi->UID); - } else { - CatPrint (Str, L"Acpi(%08x,%x)", (UINTN) Acpi->HID, (UINTN) Acpi->UID); - } -} - -VOID -DevPathExtendedAcpi ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -{ - ACPI_EXTENDED_HID_DEVICE_PATH *ExtendedAcpi; - // - // Index for HID, UID and CID strings, 0 for non-exist - // - UINT16 HIDSTRIdx; - UINT16 UIDSTRIdx; - UINT16 CIDSTRIdx; - UINT16 Index; - UINT16 Length; - UINT16 Anchor; - CHAR8 *AsChar8Array; - - ASSERT (Str != NULL); - ASSERT (DevPath != NULL); - - HIDSTRIdx = 0; - UIDSTRIdx = 0; - CIDSTRIdx = 0; - ExtendedAcpi = DevPath; - Length = (UINT16) DevicePathNodeLength ((EFI_DEVICE_PATH_PROTOCOL *) ExtendedAcpi); - - ASSERT (Length >= 19); - AsChar8Array = (CHAR8 *) ExtendedAcpi; - - // - // find HIDSTR - // - Anchor = 16; - for (Index = Anchor; Index < Length && AsChar8Array[Index]; Index++) { - ; - } - if (Index > Anchor) { - HIDSTRIdx = Anchor; - } - // - // find UIDSTR - // - Anchor = (UINT16) (Index + 1); - for (Index = Anchor; Index < Length && AsChar8Array[Index]; Index++) { - ; - } - if (Index > Anchor) { - UIDSTRIdx = Anchor; - } - // - // find CIDSTR - // - Anchor = (UINT16) (Index + 1); - for (Index = Anchor; Index < Length && AsChar8Array[Index]; Index++) { - ; - } - if (Index > Anchor) { - CIDSTRIdx = Anchor; - } - - if (HIDSTRIdx == 0 && CIDSTRIdx == 0 && ExtendedAcpi->UID == 0) { - CatPrint (Str, L"AcpiExp("); - if ((ExtendedAcpi->HID & PNP_EISA_ID_MASK) == PNP_EISA_ID_CONST) { - CatPrint (Str, L"PNP%04x,", (UINTN) EISA_ID_TO_NUM (ExtendedAcpi->HID)); - } else { - CatPrint (Str, L"%08x,", (UINTN) ExtendedAcpi->HID); - } - if ((ExtendedAcpi->CID & PNP_EISA_ID_MASK) == PNP_EISA_ID_CONST) { - CatPrint (Str, L"PNP%04x,", (UINTN) EISA_ID_TO_NUM (ExtendedAcpi->CID)); - } else { - CatPrint (Str, L"%08x,", (UINTN) ExtendedAcpi->CID); - } - if (UIDSTRIdx != 0) { - CatPrint (Str, L"%a)", AsChar8Array + UIDSTRIdx); - } else { - CatPrint (Str, L"\"\")"); - } - } else { - CatPrint (Str, L"AcpiEx("); - if ((ExtendedAcpi->HID & PNP_EISA_ID_MASK) == PNP_EISA_ID_CONST) { - CatPrint (Str, L"PNP%04x,", (UINTN) EISA_ID_TO_NUM (ExtendedAcpi->HID)); - } else { - CatPrint (Str, L"%08x,", (UINTN) ExtendedAcpi->HID); - } - if ((ExtendedAcpi->CID & PNP_EISA_ID_MASK) == PNP_EISA_ID_CONST) { - CatPrint (Str, L"PNP%04x,", (UINTN) EISA_ID_TO_NUM (ExtendedAcpi->CID)); - } else { - CatPrint (Str, L"%08x,", (UINTN) ExtendedAcpi->CID); - } - CatPrint (Str, L"%x,", (UINTN) ExtendedAcpi->UID); - - if (HIDSTRIdx != 0) { - CatPrint (Str, L"%a,", AsChar8Array + HIDSTRIdx); - } else { - CatPrint (Str, L"\"\","); - } - if (CIDSTRIdx != 0) { - CatPrint (Str, L"%a,", AsChar8Array + CIDSTRIdx); - } else { - CatPrint (Str, L"\"\","); - } - if (UIDSTRIdx != 0) { - CatPrint (Str, L"%a)", AsChar8Array + UIDSTRIdx); - } else { - CatPrint (Str, L"\"\")"); - } - } - -} - -VOID -DevPathAdrAcpi ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -{ - ACPI_ADR_DEVICE_PATH *AcpiAdr; - UINT16 Index; - UINT16 Length; - UINT16 AdditionalAdrCount; - - AcpiAdr = DevPath; - Length = (UINT16) DevicePathNodeLength ((EFI_DEVICE_PATH_PROTOCOL *) AcpiAdr); - AdditionalAdrCount = (UINT16) ((Length - 8) / 4); - - CatPrint (Str, L"AcpiAdr(%x", (UINTN) AcpiAdr->ADR); - for (Index = 0; Index < AdditionalAdrCount; Index++) { - CatPrint (Str, L",%x", (UINTN) *(UINT32 *) ((UINT8 *) AcpiAdr + 8 + Index * 4)); - } - CatPrint (Str, L")"); -} - -VOID -DevPathAtapi ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -{ - ATAPI_DEVICE_PATH *Atapi; - - Atapi = DevPath; - CatPrint ( - Str, - L"Ata(%s,%s)", - Atapi->PrimarySecondary ? L"Secondary" : L"Primary", - Atapi->SlaveMaster ? L"Slave" : L"Master" - ); -} - -VOID -DevPathScsi ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -{ - SCSI_DEVICE_PATH *Scsi; - - Scsi = DevPath; - CatPrint (Str, L"Scsi(Pun%x,Lun%x)", (UINTN) Scsi->Pun, (UINTN) Scsi->Lun); -} - -VOID -DevPathFibre ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -{ - FIBRECHANNEL_DEVICE_PATH *Fibre; - - Fibre = DevPath; - CatPrint (Str, L"Fibre(Wwn%lx,Lun%x)", Fibre->WWN, Fibre->Lun); -} - -VOID -DevPath1394 ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -{ - F1394_DEVICE_PATH *F1394; - - F1394 = DevPath; - CatPrint (Str, L"1394(%g)", &F1394->Guid); -} - -VOID -DevPathUsb ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -{ - USB_DEVICE_PATH *Usb; - - Usb = DevPath; - CatPrint (Str, L"Usb(%x,%x)", (UINTN) Usb->ParentPortNumber, (UINTN) Usb->InterfaceNumber); -} - -VOID -DevPathUsbWWID ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -{ - USB_WWID_DEVICE_PATH *UsbWWId; - - UsbWWId = DevPath; - CatPrint ( - Str, - L"UsbWwid(%x,%x,%x,\"WWID\")", - (UINTN) UsbWWId->VendorId, - (UINTN) UsbWWId->ProductId, - (UINTN) UsbWWId->InterfaceNumber - ); -} - -VOID -DevPathLogicalUnit ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -{ - DEVICE_LOGICAL_UNIT_DEVICE_PATH *LogicalUnit; - - LogicalUnit = DevPath; - CatPrint (Str, L"Unit(%x)", (UINTN) LogicalUnit->Lun); -} - -VOID -DevPathUsbClass ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -{ - USB_CLASS_DEVICE_PATH *UsbClass; - - UsbClass = DevPath; - CatPrint ( - Str, - L"Usb Class(%x,%x,%x,%x,%x)", - (UINTN) UsbClass->VendorId, - (UINTN) UsbClass->ProductId, - (UINTN) UsbClass->DeviceClass, - (UINTN) UsbClass->DeviceSubClass, - (UINTN) UsbClass->DeviceProtocol - ); -} - -VOID -DevPathSata ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -{ - SATA_DEVICE_PATH *Sata; - - Sata = DevPath; - CatPrint ( - Str, - L"Sata(%x,%x,%x)", - (UINTN) Sata->HBAPortNumber, - (UINTN) Sata->PortMultiplierPortNumber, - (UINTN) Sata->Lun - ); -} - -VOID -DevPathI2O ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -{ - I2O_DEVICE_PATH *I2O; - - I2O = DevPath; - CatPrint (Str, L"I2O(%x)", (UINTN) I2O->Tid); -} - -VOID -DevPathMacAddr ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -{ - MAC_ADDR_DEVICE_PATH *MAC; - UINTN HwAddressSize; - UINTN Index; - - MAC = DevPath; - - HwAddressSize = sizeof (EFI_MAC_ADDRESS); - if (MAC->IfType == 0x01 || MAC->IfType == 0x00) { - HwAddressSize = 6; - } - - CatPrint (Str, L"Mac("); - - for (Index = 0; Index < HwAddressSize; Index++) { - CatPrint (Str, L"%02x", (UINTN) MAC->MacAddress.Addr[Index]); - } - - CatPrint (Str, L")"); -} - -VOID -DevPathIPv4 ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -{ - IPv4_DEVICE_PATH *IP; - - IP = DevPath; - CatPrint ( - Str, - L"IPv4(%d.%d.%d.%d:%d)", - (UINTN) IP->RemoteIpAddress.Addr[0], - (UINTN) IP->RemoteIpAddress.Addr[1], - (UINTN) IP->RemoteIpAddress.Addr[2], - (UINTN) IP->RemoteIpAddress.Addr[3], - (UINTN) IP->RemotePort - ); -} - -VOID -DevPathIPv6 ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -{ - IPv6_DEVICE_PATH *IP; - - IP = DevPath; - CatPrint ( - Str, - L"IPv6(%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x)", - (UINTN) IP->RemoteIpAddress.Addr[0], - (UINTN) IP->RemoteIpAddress.Addr[1], - (UINTN) IP->RemoteIpAddress.Addr[2], - (UINTN) IP->RemoteIpAddress.Addr[3], - (UINTN) IP->RemoteIpAddress.Addr[4], - (UINTN) IP->RemoteIpAddress.Addr[5], - (UINTN) IP->RemoteIpAddress.Addr[6], - (UINTN) IP->RemoteIpAddress.Addr[7], - (UINTN) IP->RemoteIpAddress.Addr[8], - (UINTN) IP->RemoteIpAddress.Addr[9], - (UINTN) IP->RemoteIpAddress.Addr[10], - (UINTN) IP->RemoteIpAddress.Addr[11], - (UINTN) IP->RemoteIpAddress.Addr[12], - (UINTN) IP->RemoteIpAddress.Addr[13], - (UINTN) IP->RemoteIpAddress.Addr[14], - (UINTN) IP->RemoteIpAddress.Addr[15] - ); -} - -VOID -DevPathInfiniBand ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -{ - INFINIBAND_DEVICE_PATH *InfiniBand; - - InfiniBand = DevPath; - CatPrint ( - Str, - L"Infiniband(%x,%g,%lx,%lx,%lx)", - (UINTN) InfiniBand->ResourceFlags, - InfiniBand->PortGid, - InfiniBand->ServiceId, - InfiniBand->TargetPortId, - InfiniBand->DeviceId - ); -} - -VOID -DevPathUart ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -{ - UART_DEVICE_PATH *Uart; - CHAR8 Parity; - - Uart = DevPath; - switch (Uart->Parity) { - case 0: - Parity = 'D'; - break; - - case 1: - Parity = 'N'; - break; - - case 2: - Parity = 'E'; - break; - - case 3: - Parity = 'O'; - break; - - case 4: - Parity = 'M'; - break; - - case 5: - Parity = 'S'; - break; - - default: - Parity = 'x'; - break; - } - - if (Uart->BaudRate == 0) { - CatPrint (Str, L"Uart(DEFAULT,%c,", Parity); - } else { - CatPrint (Str, L"Uart(%d,%c,", Uart->BaudRate, Parity); - } - - if (Uart->DataBits == 0) { - CatPrint (Str, L"D,"); - } else { - CatPrint (Str, L"%d,", (UINTN) Uart->DataBits); - } - - switch (Uart->StopBits) { - case 0: - CatPrint (Str, L"D)"); - break; - - case 1: - CatPrint (Str, L"1)"); - break; - - case 2: - CatPrint (Str, L"1.5)"); - break; - - case 3: - CatPrint (Str, L"2)"); - break; - - default: - CatPrint (Str, L"x)"); - break; - } -} - -VOID -DevPathiSCSI ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -{ - ISCSI_DEVICE_PATH_WITH_NAME *iSCSI; - UINT16 Options; - - ASSERT (Str != NULL); - ASSERT (DevPath != NULL); - - iSCSI = DevPath; - CatPrint ( - Str, - L"iSCSI(%s,%x,%lx,", - iSCSI->iSCSITargetName, - iSCSI->TargetPortalGroupTag, - iSCSI->Lun - ); - - Options = iSCSI->LoginOption; - CatPrint (Str, L"%s,", ((Options >> 1) & 0x0001) ? L"CRC32C" : L"None"); - CatPrint (Str, L"%s,", ((Options >> 3) & 0x0001) ? L"CRC32C" : L"None"); - if ((Options >> 11) & 0x0001) { - CatPrint (Str, L"%s,", L"None"); - } else if ((Options >> 12) & 0x0001) { - CatPrint (Str, L"%s,", L"CHAP_UNI"); - } else { - CatPrint (Str, L"%s,", L"CHAP_BI"); - - } - - CatPrint (Str, L"%s)", (iSCSI->NetworkProtocol == 0) ? L"TCP" : L"reserved"); -} - -VOID -DevPathHardDrive ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -{ - HARDDRIVE_DEVICE_PATH *Hd; - - Hd = DevPath; - switch (Hd->SignatureType) { - case SIGNATURE_TYPE_MBR: - CatPrint ( - Str, - L"HD(Part%d,Sig%08x)", - (UINTN) Hd->PartitionNumber, - (UINTN) *((UINT32 *) (&(Hd->Signature[0]))) - ); - break; - - case SIGNATURE_TYPE_GUID: - CatPrint ( - Str, - L"HD(Part%d,Sig%g)", - (UINTN) Hd->PartitionNumber, - (EFI_GUID *) &(Hd->Signature[0]) - ); - break; - - default: - CatPrint ( - Str, - L"HD(Part%d,MBRType=%02x,SigType=%02x)", - (UINTN) Hd->PartitionNumber, - (UINTN) Hd->MBRType, - (UINTN) Hd->SignatureType - ); - break; - } -} - -VOID -DevPathCDROM ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -{ - CDROM_DEVICE_PATH *Cd; - - Cd = DevPath; - CatPrint (Str, L"CDROM(Entry%x)", (UINTN) Cd->BootEntry); -} - -VOID -DevPathFilePath ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -{ - FILEPATH_DEVICE_PATH *Fp; - - Fp = DevPath; - CatPrint (Str, L"%s", Fp->PathName); -} - -VOID -DevPathMediaProtocol ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -{ - MEDIA_PROTOCOL_DEVICE_PATH *MediaProt; - - MediaProt = DevPath; - CatPrint (Str, L"Media(%g)", &MediaProt->Protocol); -} - -VOID -DevPathFvFilePath ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -{ - MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FvFilePath; - - FvFilePath = DevPath; - CatPrint (Str, L"%g", &FvFilePath->FvFileName); -} - -VOID -DevPathBssBss ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -{ - BBS_BBS_DEVICE_PATH *Bbs; - CHAR16 *Type; - - Bbs = DevPath; - switch (Bbs->DeviceType) { - case BBS_TYPE_FLOPPY: - Type = L"Floppy"; - break; - - case BBS_TYPE_HARDDRIVE: - Type = L"Harddrive"; - break; - - case BBS_TYPE_CDROM: - Type = L"CDROM"; - break; - - case BBS_TYPE_PCMCIA: - Type = L"PCMCIA"; - break; - - case BBS_TYPE_USB: - Type = L"Usb"; - break; - - case BBS_TYPE_EMBEDDED_NETWORK: - Type = L"Net"; - break; - - case BBS_TYPE_BEV: - Type = L"BEV"; - break; - - default: - Type = L"?"; - break; - } - CatPrint (Str, L"Legacy-%s", Type); -} - -VOID -DevPathEndInstance ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -{ - CatPrint (Str, L","); -} - -VOID -DevPathNodeUnknown ( - IN OUT POOL_PRINT *Str, - IN VOID *DevPath - ) -{ - CatPrint (Str, L"?"); -} - -DEVICE_PATH_STRING_TABLE DevPathTable[] = { - HARDWARE_DEVICE_PATH, - HW_PCI_DP, - DevPathPci, - HARDWARE_DEVICE_PATH, - HW_PCCARD_DP, - DevPathPccard, - HARDWARE_DEVICE_PATH, - HW_MEMMAP_DP, - DevPathMemMap, - HARDWARE_DEVICE_PATH, - HW_VENDOR_DP, - DevPathVendor, - HARDWARE_DEVICE_PATH, - HW_CONTROLLER_DP, - DevPathController, - ACPI_DEVICE_PATH, - ACPI_DP, - DevPathAcpi, - ACPI_DEVICE_PATH, - ACPI_EXTENDED_DP, - DevPathExtendedAcpi, - ACPI_DEVICE_PATH, - ACPI_ADR_DP, - DevPathAdrAcpi, - MESSAGING_DEVICE_PATH, - MSG_ATAPI_DP, - DevPathAtapi, - MESSAGING_DEVICE_PATH, - MSG_SCSI_DP, - DevPathScsi, - MESSAGING_DEVICE_PATH, - MSG_FIBRECHANNEL_DP, - DevPathFibre, - MESSAGING_DEVICE_PATH, - MSG_1394_DP, - DevPath1394, - MESSAGING_DEVICE_PATH, - MSG_USB_DP, - DevPathUsb, - MESSAGING_DEVICE_PATH, - MSG_USB_WWID_DP, - DevPathUsbWWID, - MESSAGING_DEVICE_PATH, - MSG_DEVICE_LOGICAL_UNIT_DP, - DevPathLogicalUnit, - MESSAGING_DEVICE_PATH, - MSG_USB_CLASS_DP, - DevPathUsbClass, - MESSAGING_DEVICE_PATH, - MSG_SATA_DP, - DevPathSata, - MESSAGING_DEVICE_PATH, - MSG_I2O_DP, - DevPathI2O, - MESSAGING_DEVICE_PATH, - MSG_MAC_ADDR_DP, - DevPathMacAddr, - MESSAGING_DEVICE_PATH, - MSG_IPv4_DP, - DevPathIPv4, - MESSAGING_DEVICE_PATH, - MSG_IPv6_DP, - DevPathIPv6, - MESSAGING_DEVICE_PATH, - MSG_INFINIBAND_DP, - DevPathInfiniBand, - MESSAGING_DEVICE_PATH, - MSG_UART_DP, - DevPathUart, - MESSAGING_DEVICE_PATH, - MSG_VENDOR_DP, - DevPathVendor, - MESSAGING_DEVICE_PATH, - MSG_ISCSI_DP, - DevPathiSCSI, - MEDIA_DEVICE_PATH, - MEDIA_HARDDRIVE_DP, - DevPathHardDrive, - MEDIA_DEVICE_PATH, - MEDIA_CDROM_DP, - DevPathCDROM, - MEDIA_DEVICE_PATH, - MEDIA_VENDOR_DP, - DevPathVendor, - MEDIA_DEVICE_PATH, - MEDIA_FILEPATH_DP, - DevPathFilePath, - MEDIA_DEVICE_PATH, - MEDIA_PROTOCOL_DP, - DevPathMediaProtocol, - MEDIA_DEVICE_PATH, - MEDIA_PIWG_FW_FILE_DP, - DevPathFvFilePath, - BBS_DEVICE_PATH, - BBS_BBS_DP, - DevPathBssBss, - END_DEVICE_PATH_TYPE, - END_INSTANCE_DEVICE_PATH_SUBTYPE, - DevPathEndInstance, - 0, - 0, - NULL -}; - - -/** - -**/ -CHAR16 * -DevicePathToStr ( - IN EFI_DEVICE_PATH_PROTOCOL *DevPath - ) -{ - POOL_PRINT Str; - EFI_DEVICE_PATH_PROTOCOL *DevPathNode; - VOID (*DumpNode) (POOL_PRINT *, VOID *); - - UINTN Index; - UINTN NewSize; - - EFI_STATUS Status; - CHAR16 *ToText; - EFI_DEVICE_PATH_TO_TEXT_PROTOCOL *DevPathToText; - - ZeroMem (&Str, sizeof (Str)); - - if (DevPath == NULL) { - goto Done; - } - - Status = gBS->LocateProtocol ( - &gEfiDevicePathToTextProtocolGuid, - NULL, - (VOID **) &DevPathToText - ); - if (!EFI_ERROR (Status)) { - ToText = DevPathToText->ConvertDevicePathToText ( - DevPath, - FALSE, - TRUE - ); - ASSERT (ToText != NULL); - return ToText; - } - - // - // Unpacked the device path - // - DevPath = BdsLibUnpackDevicePath (DevPath); - ASSERT (DevPath); - - // - // Process each device path node - // - DevPathNode = DevPath; - while (!IsDevicePathEnd (DevPathNode)) { - // - // Find the handler to dump this device path node - // - DumpNode = NULL; - for (Index = 0; DevPathTable[Index].Function; Index += 1) { - - if (DevicePathType (DevPathNode) == DevPathTable[Index].Type && - DevicePathSubType (DevPathNode) == DevPathTable[Index].SubType - ) { - DumpNode = DevPathTable[Index].Function; - break; - } - } - // - // If not found, use a generic function - // - if (!DumpNode) { - DumpNode = DevPathNodeUnknown; - } - // - // Put a path seperator in if needed - // - if (Str.len && DumpNode != DevPathEndInstance) { - CatPrint (&Str, L"/"); - } - // - // Print this node of the device path - // - DumpNode (&Str, DevPathNode); - - // - // Next device path node - // - DevPathNode = NextDevicePathNode (DevPathNode); - } - // - // Shrink pool used for string allocation - // - gBS->FreePool (DevPath); - -Done: - NewSize = (Str.len + 1) * sizeof (CHAR16); - Str.str = ReallocatePool (Str.str, NewSize, NewSize); - ASSERT (Str.str != NULL); - Str.str[Str.len] = 0; - return Str.str; -} - - -/** - Function creates a device path data structure that identically matches the - device path passed in. - - @param DevPath A pointer to a device path data structure. - - @return The new copy of DevPath is created to identically match the input. - @return Otherwise, NULL is returned. - -**/ -EFI_DEVICE_PATH_PROTOCOL * -LibDuplicateDevicePathInstance ( - IN EFI_DEVICE_PATH_PROTOCOL *DevPath - ) -{ - EFI_DEVICE_PATH_PROTOCOL *NewDevPath; - EFI_DEVICE_PATH_PROTOCOL *DevicePathInst; - EFI_DEVICE_PATH_PROTOCOL *Temp; - UINTN Size; - - // - // get the size of an instance from the input - // - Temp = DevPath; - DevicePathInst = GetNextDevicePathInstance (&Temp, &Size); - - // - // Make a copy - // - NewDevPath = NULL; - if (Size) { - NewDevPath = AllocateZeroPool (Size); - ASSERT (NewDevPath != NULL); - } - - if (NewDevPath) { - CopyMem (NewDevPath, DevicePathInst, Size); - } - - return NewDevPath; -} +/** @file
+ BDS internal function define the default device path string, it can be
+ replaced by platform device path.
+
+Copyright (c) 2004 - 2008, Intel Corporation. <BR>
+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.
+
+**/
+
+#include "InternalBdsLib.h"
+
+
+EFI_GUID mEfiDevicePathMessagingUartFlowControlGuid = DEVICE_PATH_MESSAGING_UART_FLOW_CONTROL;
+
+EFI_GUID mEfiDevicePathMessagingSASGuid = DEVICE_PATH_MESSAGING_SAS;
+
+
+VOID *
+ReallocatePool (
+ IN VOID *OldPool,
+ IN UINTN OldSize,
+ IN UINTN NewSize
+ )
+/*++
+
+Routine Description:
+
+ Adjusts the size of a previously allocated buffer.
+
+Arguments:
+
+ OldPool - A pointer to the buffer whose size is being adjusted.
+
+ OldSize - The size of the current buffer.
+
+ NewSize - The size of the new buffer.
+
+Returns:
+
+ EFI_SUCEESS - The requested number of bytes were allocated.
+
+ EFI_OUT_OF_RESOURCES - The pool requested could not be allocated.
+
+ EFI_INVALID_PARAMETER - The buffer was invalid.
+
+--*/
+{
+ VOID *NewPool;
+
+ NewPool = NULL;
+ if (NewSize) {
+ NewPool = AllocateZeroPool (NewSize);
+ }
+
+ if (OldPool) {
+ if (NewPool) {
+ CopyMem (NewPool, OldPool, OldSize < NewSize ? OldSize : NewSize);
+ }
+
+ gBS->FreePool (OldPool);
+ }
+
+ return NewPool;
+}
+
+
+/**
+ Concatenates a formatted unicode string to allocated pool.
+ The caller must free the resulting buffer.
+
+ @param Str Tracks the allocated pool, size in use, and amount of pool
+ allocated.
+ @param fmt The format string
+
+ @return Allocated buffer with the formatted string printed in it.
+ @return The caller must free the allocated buffer. The buffer
+ @return allocation is not packed.
+
+**/
+CHAR16 *
+EFIAPI
+CatPrint (
+ IN OUT POOL_PRINT *Str,
+ IN CHAR16 *fmt,
+ ...
+ )
+{
+ UINT16 *AppendStr;
+ VA_LIST args;
+ UINTN strsize;
+
+ AppendStr = AllocateZeroPool (0x1000);
+ if (AppendStr == NULL) {
+ return Str->str;
+ }
+
+ VA_START (args, fmt);
+ UnicodeVSPrint (AppendStr, 0x1000, fmt, args);
+ VA_END (args);
+ if (NULL == Str->str) {
+ strsize = StrSize (AppendStr);
+ Str->str = AllocateZeroPool (strsize);
+ ASSERT (Str->str != NULL);
+ } else {
+ strsize = StrSize (AppendStr);
+ strsize += (StrSize (Str->str) - sizeof (UINT16));
+
+ Str->str = ReallocatePool (
+ Str->str,
+ StrSize (Str->str),
+ strsize
+ );
+ ASSERT (Str->str != NULL);
+ }
+
+ Str->maxlen = MAX_CHAR * sizeof (UINT16);
+ if (strsize < Str->maxlen) {
+ StrCat (Str->str, AppendStr);
+ Str->len = strsize - sizeof (UINT16);
+ }
+
+ gBS->FreePool (AppendStr);
+ return Str->str;
+}
+
+
+/**
+ Function unpacks a device path data structure so that all the nodes
+ of a device path are naturally aligned.
+
+ @param DevPath A pointer to a device path data structure
+
+ @return A ponter to new device If the memory for the device path is successfully allocated, then a
+ pointer to the new device path is returned. Otherwise, NULL is returned.
+
+**/
+EFI_DEVICE_PATH_PROTOCOL *
+EFIAPI
+BdsLibUnpackDevicePath (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevPath
+ )
+{
+ EFI_DEVICE_PATH_PROTOCOL *Src;
+ EFI_DEVICE_PATH_PROTOCOL *Dest;
+ EFI_DEVICE_PATH_PROTOCOL *NewPath;
+ UINTN Size;
+
+ //
+ // Walk device path and round sizes to valid boundries
+ //
+ Src = DevPath;
+ Size = 0;
+ for (;;) {
+ Size += DevicePathNodeLength (Src);
+ Size += ALIGN_SIZE (Size);
+
+ if (IsDevicePathEnd (Src)) {
+ break;
+ }
+
+ Src = NextDevicePathNode (Src);
+ }
+ //
+ // Allocate space for the unpacked path
+ //
+ NewPath = AllocateZeroPool (Size);
+ if (NewPath) {
+
+ ASSERT (((UINTN) NewPath) % MIN_ALIGNMENT_SIZE == 0);
+
+ //
+ // Copy each node
+ //
+ Src = DevPath;
+ Dest = NewPath;
+ for (;;) {
+ Size = DevicePathNodeLength (Src);
+ CopyMem (Dest, Src, Size);
+ Size += ALIGN_SIZE (Size);
+ SetDevicePathNodeLength (Dest, Size);
+ Dest->Type |= EFI_DP_TYPE_UNPACKED;
+ Dest = (EFI_DEVICE_PATH_PROTOCOL *) (((UINT8 *) Dest) + Size);
+
+ if (IsDevicePathEnd (Src)) {
+ break;
+ }
+
+ Src = NextDevicePathNode (Src);
+ }
+ }
+
+ return NewPath;
+}
+
+VOID
+DevPathPci (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ PCI_DEVICE_PATH *Pci;
+
+ Pci = DevPath;
+ CatPrint (Str, L"Pci(%x|%x)", (UINTN) Pci->Device, (UINTN) Pci->Function);
+}
+
+VOID
+DevPathPccard (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ PCCARD_DEVICE_PATH *Pccard;
+
+ Pccard = DevPath;
+ CatPrint (Str, L"Pcmcia(Function%x)", (UINTN) Pccard->FunctionNumber);
+}
+
+VOID
+DevPathMemMap (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ MEMMAP_DEVICE_PATH *MemMap;
+
+ MemMap = DevPath;
+ CatPrint (
+ Str,
+ L"MemMap(%d:%lx-%lx)",
+ MemMap->MemoryType,
+ MemMap->StartingAddress,
+ MemMap->EndingAddress
+ );
+}
+
+VOID
+DevPathController (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ CONTROLLER_DEVICE_PATH *Controller;
+
+ Controller = DevPath;
+ CatPrint (Str, L"Ctrl(%d)", (UINTN) Controller->ControllerNumber);
+}
+
+
+/**
+ Convert Vendor device path to device name
+
+ @param Str The buffer store device name
+ @param DevPath Pointer to vendor device path
+
+ @return When it return, the device name have been stored in *Str.
+
+**/
+VOID
+EFIAPI
+DevPathVendor (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ VENDOR_DEVICE_PATH *Vendor;
+ CHAR16 *Type;
+ UINTN DataLength;
+ UINTN Index;
+ UINT32 FlowControlMap;
+
+ UINT16 Info;
+
+ Vendor = DevPath;
+
+ switch (DevicePathType (&Vendor->Header)) {
+ case HARDWARE_DEVICE_PATH:
+ Type = L"Hw";
+// bugbug: nt 32 specific definition
+#if 0
+ //
+ // If the device is a winntbus device, we will give it a readable device name.
+ //
+ if (CompareGuid (&Vendor->Guid, &mEfiWinNtThunkProtocolGuid)) {
+ CatPrint (Str, L"%s", L"WinNtBus");
+ return ;
+ } else if (CompareGuid (&Vendor->Guid, &mEfiWinNtGopGuid)) {
+ CatPrint (Str, L"%s", L"GOP");
+ return ;
+ } else if (CompareGuid (&Vendor->Guid, &mEfiWinNtSerialPortGuid)) {
+ CatPrint (Str, L"%s", L"Serial");
+ return ;
+ }
+#endif
+ break;
+
+ case MESSAGING_DEVICE_PATH:
+ Type = L"Msg";
+ if (CompareGuid (&Vendor->Guid, &gEfiPcAnsiGuid)) {
+ CatPrint (Str, L"VenPcAnsi()");
+ return ;
+ } else if (CompareGuid (&Vendor->Guid, &gEfiVT100Guid)) {
+ CatPrint (Str, L"VenVt100()");
+ return ;
+ } else if (CompareGuid (&Vendor->Guid, &gEfiVT100PlusGuid)) {
+ CatPrint (Str, L"VenVt100Plus()");
+ return ;
+ } else if (CompareGuid (&Vendor->Guid, &gEfiVTUTF8Guid)) {
+ CatPrint (Str, L"VenUft8()");
+ return ;
+ } else if (CompareGuid (&Vendor->Guid, &mEfiDevicePathMessagingUartFlowControlGuid)) {
+ FlowControlMap = (((UART_FLOW_CONTROL_DEVICE_PATH *) Vendor)->FlowControlMap);
+ switch (FlowControlMap & 0x00000003) {
+ case 0:
+ CatPrint (Str, L"UartFlowCtrl(%s)", L"None");
+ break;
+
+ case 1:
+ CatPrint (Str, L"UartFlowCtrl(%s)", L"Hardware");
+ break;
+
+ case 2:
+ CatPrint (Str, L"UartFlowCtrl(%s)", L"XonXoff");
+ break;
+
+ default:
+ break;
+ }
+
+ return ;
+
+ } else if (CompareGuid (&Vendor->Guid, &mEfiDevicePathMessagingSASGuid)) {
+ CatPrint (
+ Str,
+ L"SAS(%lx,%lx,%x,",
+ ((SAS_DEVICE_PATH *) Vendor)->SasAddress,
+ ((SAS_DEVICE_PATH *) Vendor)->Lun,
+ ((SAS_DEVICE_PATH *) Vendor)->RelativeTargetPort
+ );
+ Info = (((SAS_DEVICE_PATH *) Vendor)->DeviceTopology);
+ if ((Info & 0x0f) == 0) {
+ CatPrint (Str, L"NoTopology,0,0,0,");
+ } else if (((Info & 0x0f) == 1) || ((Info & 0x0f) == 2)) {
+ CatPrint (
+ Str,
+ L"%s,%s,%s,",
+ (Info & (0x1 << 4)) ? L"SATA" : L"SAS",
+ (Info & (0x1 << 5)) ? L"External" : L"Internal",
+ (Info & (0x1 << 6)) ? L"Expanded" : L"Direct"
+ );
+ if ((Info & 0x0f) == 1) {
+ CatPrint (Str, L"0,");
+ } else {
+ CatPrint (Str, L"%x,", (UINTN) ((Info >> 8) & 0xff));
+ }
+ } else {
+ CatPrint (Str, L"0,0,0,0,");
+ }
+
+ CatPrint (Str, L"%x)", (UINTN) ((SAS_DEVICE_PATH *) Vendor)->Reserved);
+ return ;
+
+ } else if (CompareGuid (&Vendor->Guid, &gEfiDebugPortProtocolGuid)) {
+ CatPrint (Str, L"DebugPort()");
+ return ;
+ }
+ break;
+
+ case MEDIA_DEVICE_PATH:
+ Type = L"Media";
+ break;
+
+ default:
+ Type = L"?";
+ break;
+ }
+
+ CatPrint (Str, L"Ven%s(%g", Type, &Vendor->Guid);
+ DataLength = DevicePathNodeLength (&Vendor->Header) - sizeof (VENDOR_DEVICE_PATH);
+ if (DataLength > 0) {
+ CatPrint (Str, L",");
+ for (Index = 0; Index < DataLength; Index++) {
+ CatPrint (Str, L"%02x", (UINTN) ((VENDOR_DEVICE_PATH_WITH_DATA *) Vendor)->VendorDefinedData[Index]);
+ }
+ }
+ CatPrint (Str, L")");
+}
+
+
+VOID
+DevPathAcpi (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ ACPI_HID_DEVICE_PATH *Acpi;
+
+ Acpi = DevPath;
+ if ((Acpi->HID & PNP_EISA_ID_MASK) == PNP_EISA_ID_CONST) {
+ CatPrint (Str, L"Acpi(PNP%04x,%x)", (UINTN) EISA_ID_TO_NUM (Acpi->HID), (UINTN) Acpi->UID);
+ } else {
+ CatPrint (Str, L"Acpi(%08x,%x)", (UINTN) Acpi->HID, (UINTN) Acpi->UID);
+ }
+}
+
+VOID
+DevPathExtendedAcpi (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ ACPI_EXTENDED_HID_DEVICE_PATH *ExtendedAcpi;
+ //
+ // Index for HID, UID and CID strings, 0 for non-exist
+ //
+ UINT16 HIDSTRIdx;
+ UINT16 UIDSTRIdx;
+ UINT16 CIDSTRIdx;
+ UINT16 Index;
+ UINT16 Length;
+ UINT16 Anchor;
+ CHAR8 *AsChar8Array;
+
+ ASSERT (Str != NULL);
+ ASSERT (DevPath != NULL);
+
+ HIDSTRIdx = 0;
+ UIDSTRIdx = 0;
+ CIDSTRIdx = 0;
+ ExtendedAcpi = DevPath;
+ Length = (UINT16) DevicePathNodeLength ((EFI_DEVICE_PATH_PROTOCOL *) ExtendedAcpi);
+
+ ASSERT (Length >= 19);
+ AsChar8Array = (CHAR8 *) ExtendedAcpi;
+
+ //
+ // find HIDSTR
+ //
+ Anchor = 16;
+ for (Index = Anchor; Index < Length && AsChar8Array[Index]; Index++) {
+ ;
+ }
+ if (Index > Anchor) {
+ HIDSTRIdx = Anchor;
+ }
+ //
+ // find UIDSTR
+ //
+ Anchor = (UINT16) (Index + 1);
+ for (Index = Anchor; Index < Length && AsChar8Array[Index]; Index++) {
+ ;
+ }
+ if (Index > Anchor) {
+ UIDSTRIdx = Anchor;
+ }
+ //
+ // find CIDSTR
+ //
+ Anchor = (UINT16) (Index + 1);
+ for (Index = Anchor; Index < Length && AsChar8Array[Index]; Index++) {
+ ;
+ }
+ if (Index > Anchor) {
+ CIDSTRIdx = Anchor;
+ }
+
+ if (HIDSTRIdx == 0 && CIDSTRIdx == 0 && ExtendedAcpi->UID == 0) {
+ CatPrint (Str, L"AcpiExp(");
+ if ((ExtendedAcpi->HID & PNP_EISA_ID_MASK) == PNP_EISA_ID_CONST) {
+ CatPrint (Str, L"PNP%04x,", (UINTN) EISA_ID_TO_NUM (ExtendedAcpi->HID));
+ } else {
+ CatPrint (Str, L"%08x,", (UINTN) ExtendedAcpi->HID);
+ }
+ if ((ExtendedAcpi->CID & PNP_EISA_ID_MASK) == PNP_EISA_ID_CONST) {
+ CatPrint (Str, L"PNP%04x,", (UINTN) EISA_ID_TO_NUM (ExtendedAcpi->CID));
+ } else {
+ CatPrint (Str, L"%08x,", (UINTN) ExtendedAcpi->CID);
+ }
+ if (UIDSTRIdx != 0) {
+ CatPrint (Str, L"%a)", AsChar8Array + UIDSTRIdx);
+ } else {
+ CatPrint (Str, L"\"\")");
+ }
+ } else {
+ CatPrint (Str, L"AcpiEx(");
+ if ((ExtendedAcpi->HID & PNP_EISA_ID_MASK) == PNP_EISA_ID_CONST) {
+ CatPrint (Str, L"PNP%04x,", (UINTN) EISA_ID_TO_NUM (ExtendedAcpi->HID));
+ } else {
+ CatPrint (Str, L"%08x,", (UINTN) ExtendedAcpi->HID);
+ }
+ if ((ExtendedAcpi->CID & PNP_EISA_ID_MASK) == PNP_EISA_ID_CONST) {
+ CatPrint (Str, L"PNP%04x,", (UINTN) EISA_ID_TO_NUM (ExtendedAcpi->CID));
+ } else {
+ CatPrint (Str, L"%08x,", (UINTN) ExtendedAcpi->CID);
+ }
+ CatPrint (Str, L"%x,", (UINTN) ExtendedAcpi->UID);
+
+ if (HIDSTRIdx != 0) {
+ CatPrint (Str, L"%a,", AsChar8Array + HIDSTRIdx);
+ } else {
+ CatPrint (Str, L"\"\",");
+ }
+ if (CIDSTRIdx != 0) {
+ CatPrint (Str, L"%a,", AsChar8Array + CIDSTRIdx);
+ } else {
+ CatPrint (Str, L"\"\",");
+ }
+ if (UIDSTRIdx != 0) {
+ CatPrint (Str, L"%a)", AsChar8Array + UIDSTRIdx);
+ } else {
+ CatPrint (Str, L"\"\")");
+ }
+ }
+
+}
+
+VOID
+DevPathAdrAcpi (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ ACPI_ADR_DEVICE_PATH *AcpiAdr;
+ UINT16 Index;
+ UINT16 Length;
+ UINT16 AdditionalAdrCount;
+
+ AcpiAdr = DevPath;
+ Length = (UINT16) DevicePathNodeLength ((EFI_DEVICE_PATH_PROTOCOL *) AcpiAdr);
+ AdditionalAdrCount = (UINT16) ((Length - 8) / 4);
+
+ CatPrint (Str, L"AcpiAdr(%x", (UINTN) AcpiAdr->ADR);
+ for (Index = 0; Index < AdditionalAdrCount; Index++) {
+ CatPrint (Str, L",%x", (UINTN) *(UINT32 *) ((UINT8 *) AcpiAdr + 8 + Index * 4));
+ }
+ CatPrint (Str, L")");
+}
+
+VOID
+DevPathAtapi (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ ATAPI_DEVICE_PATH *Atapi;
+
+ Atapi = DevPath;
+ CatPrint (
+ Str,
+ L"Ata(%s,%s)",
+ Atapi->PrimarySecondary ? L"Secondary" : L"Primary",
+ Atapi->SlaveMaster ? L"Slave" : L"Master"
+ );
+}
+
+VOID
+DevPathScsi (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ SCSI_DEVICE_PATH *Scsi;
+
+ Scsi = DevPath;
+ CatPrint (Str, L"Scsi(Pun%x,Lun%x)", (UINTN) Scsi->Pun, (UINTN) Scsi->Lun);
+}
+
+VOID
+DevPathFibre (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ FIBRECHANNEL_DEVICE_PATH *Fibre;
+
+ Fibre = DevPath;
+ CatPrint (Str, L"Fibre(Wwn%lx,Lun%x)", Fibre->WWN, Fibre->Lun);
+}
+
+VOID
+DevPath1394 (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ F1394_DEVICE_PATH *F1394;
+
+ F1394 = DevPath;
+ CatPrint (Str, L"1394(%g)", &F1394->Guid);
+}
+
+VOID
+DevPathUsb (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ USB_DEVICE_PATH *Usb;
+
+ Usb = DevPath;
+ CatPrint (Str, L"Usb(%x,%x)", (UINTN) Usb->ParentPortNumber, (UINTN) Usb->InterfaceNumber);
+}
+
+VOID
+DevPathUsbWWID (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ USB_WWID_DEVICE_PATH *UsbWWId;
+
+ UsbWWId = DevPath;
+ CatPrint (
+ Str,
+ L"UsbWwid(%x,%x,%x,\"WWID\")",
+ (UINTN) UsbWWId->VendorId,
+ (UINTN) UsbWWId->ProductId,
+ (UINTN) UsbWWId->InterfaceNumber
+ );
+}
+
+VOID
+DevPathLogicalUnit (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ DEVICE_LOGICAL_UNIT_DEVICE_PATH *LogicalUnit;
+
+ LogicalUnit = DevPath;
+ CatPrint (Str, L"Unit(%x)", (UINTN) LogicalUnit->Lun);
+}
+
+VOID
+DevPathUsbClass (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ USB_CLASS_DEVICE_PATH *UsbClass;
+
+ UsbClass = DevPath;
+ CatPrint (
+ Str,
+ L"Usb Class(%x,%x,%x,%x,%x)",
+ (UINTN) UsbClass->VendorId,
+ (UINTN) UsbClass->ProductId,
+ (UINTN) UsbClass->DeviceClass,
+ (UINTN) UsbClass->DeviceSubClass,
+ (UINTN) UsbClass->DeviceProtocol
+ );
+}
+
+VOID
+DevPathSata (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ SATA_DEVICE_PATH *Sata;
+
+ Sata = DevPath;
+ CatPrint (
+ Str,
+ L"Sata(%x,%x,%x)",
+ (UINTN) Sata->HBAPortNumber,
+ (UINTN) Sata->PortMultiplierPortNumber,
+ (UINTN) Sata->Lun
+ );
+}
+
+VOID
+DevPathI2O (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ I2O_DEVICE_PATH *I2O;
+
+ I2O = DevPath;
+ CatPrint (Str, L"I2O(%x)", (UINTN) I2O->Tid);
+}
+
+VOID
+DevPathMacAddr (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ MAC_ADDR_DEVICE_PATH *MAC;
+ UINTN HwAddressSize;
+ UINTN Index;
+
+ MAC = DevPath;
+
+ HwAddressSize = sizeof (EFI_MAC_ADDRESS);
+ if (MAC->IfType == 0x01 || MAC->IfType == 0x00) {
+ HwAddressSize = 6;
+ }
+
+ CatPrint (Str, L"Mac(");
+
+ for (Index = 0; Index < HwAddressSize; Index++) {
+ CatPrint (Str, L"%02x", (UINTN) MAC->MacAddress.Addr[Index]);
+ }
+
+ CatPrint (Str, L")");
+}
+
+VOID
+DevPathIPv4 (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ IPv4_DEVICE_PATH *IP;
+
+ IP = DevPath;
+ CatPrint (
+ Str,
+ L"IPv4(%d.%d.%d.%d:%d)",
+ (UINTN) IP->RemoteIpAddress.Addr[0],
+ (UINTN) IP->RemoteIpAddress.Addr[1],
+ (UINTN) IP->RemoteIpAddress.Addr[2],
+ (UINTN) IP->RemoteIpAddress.Addr[3],
+ (UINTN) IP->RemotePort
+ );
+}
+
+VOID
+DevPathIPv6 (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ IPv6_DEVICE_PATH *IP;
+
+ IP = DevPath;
+ CatPrint (
+ Str,
+ L"IPv6(%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x)",
+ (UINTN) IP->RemoteIpAddress.Addr[0],
+ (UINTN) IP->RemoteIpAddress.Addr[1],
+ (UINTN) IP->RemoteIpAddress.Addr[2],
+ (UINTN) IP->RemoteIpAddress.Addr[3],
+ (UINTN) IP->RemoteIpAddress.Addr[4],
+ (UINTN) IP->RemoteIpAddress.Addr[5],
+ (UINTN) IP->RemoteIpAddress.Addr[6],
+ (UINTN) IP->RemoteIpAddress.Addr[7],
+ (UINTN) IP->RemoteIpAddress.Addr[8],
+ (UINTN) IP->RemoteIpAddress.Addr[9],
+ (UINTN) IP->RemoteIpAddress.Addr[10],
+ (UINTN) IP->RemoteIpAddress.Addr[11],
+ (UINTN) IP->RemoteIpAddress.Addr[12],
+ (UINTN) IP->RemoteIpAddress.Addr[13],
+ (UINTN) IP->RemoteIpAddress.Addr[14],
+ (UINTN) IP->RemoteIpAddress.Addr[15]
+ );
+}
+
+VOID
+DevPathInfiniBand (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ INFINIBAND_DEVICE_PATH *InfiniBand;
+
+ InfiniBand = DevPath;
+ CatPrint (
+ Str,
+ L"Infiniband(%x,%g,%lx,%lx,%lx)",
+ (UINTN) InfiniBand->ResourceFlags,
+ InfiniBand->PortGid,
+ InfiniBand->ServiceId,
+ InfiniBand->TargetPortId,
+ InfiniBand->DeviceId
+ );
+}
+
+VOID
+DevPathUart (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ UART_DEVICE_PATH *Uart;
+ CHAR8 Parity;
+
+ Uart = DevPath;
+ switch (Uart->Parity) {
+ case 0:
+ Parity = 'D';
+ break;
+
+ case 1:
+ Parity = 'N';
+ break;
+
+ case 2:
+ Parity = 'E';
+ break;
+
+ case 3:
+ Parity = 'O';
+ break;
+
+ case 4:
+ Parity = 'M';
+ break;
+
+ case 5:
+ Parity = 'S';
+ break;
+
+ default:
+ Parity = 'x';
+ break;
+ }
+
+ if (Uart->BaudRate == 0) {
+ CatPrint (Str, L"Uart(DEFAULT,%c,", Parity);
+ } else {
+ CatPrint (Str, L"Uart(%d,%c,", Uart->BaudRate, Parity);
+ }
+
+ if (Uart->DataBits == 0) {
+ CatPrint (Str, L"D,");
+ } else {
+ CatPrint (Str, L"%d,", (UINTN) Uart->DataBits);
+ }
+
+ switch (Uart->StopBits) {
+ case 0:
+ CatPrint (Str, L"D)");
+ break;
+
+ case 1:
+ CatPrint (Str, L"1)");
+ break;
+
+ case 2:
+ CatPrint (Str, L"1.5)");
+ break;
+
+ case 3:
+ CatPrint (Str, L"2)");
+ break;
+
+ default:
+ CatPrint (Str, L"x)");
+ break;
+ }
+}
+
+VOID
+DevPathiSCSI (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ ISCSI_DEVICE_PATH_WITH_NAME *iSCSI;
+ UINT16 Options;
+
+ ASSERT (Str != NULL);
+ ASSERT (DevPath != NULL);
+
+ iSCSI = DevPath;
+ CatPrint (
+ Str,
+ L"iSCSI(%s,%x,%lx,",
+ iSCSI->iSCSITargetName,
+ iSCSI->TargetPortalGroupTag,
+ iSCSI->Lun
+ );
+
+ Options = iSCSI->LoginOption;
+ CatPrint (Str, L"%s,", ((Options >> 1) & 0x0001) ? L"CRC32C" : L"None");
+ CatPrint (Str, L"%s,", ((Options >> 3) & 0x0001) ? L"CRC32C" : L"None");
+ if ((Options >> 11) & 0x0001) {
+ CatPrint (Str, L"%s,", L"None");
+ } else if ((Options >> 12) & 0x0001) {
+ CatPrint (Str, L"%s,", L"CHAP_UNI");
+ } else {
+ CatPrint (Str, L"%s,", L"CHAP_BI");
+
+ }
+
+ CatPrint (Str, L"%s)", (iSCSI->NetworkProtocol == 0) ? L"TCP" : L"reserved");
+}
+
+VOID
+DevPathHardDrive (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ HARDDRIVE_DEVICE_PATH *Hd;
+
+ Hd = DevPath;
+ switch (Hd->SignatureType) {
+ case SIGNATURE_TYPE_MBR:
+ CatPrint (
+ Str,
+ L"HD(Part%d,Sig%08x)",
+ (UINTN) Hd->PartitionNumber,
+ (UINTN) *((UINT32 *) (&(Hd->Signature[0])))
+ );
+ break;
+
+ case SIGNATURE_TYPE_GUID:
+ CatPrint (
+ Str,
+ L"HD(Part%d,Sig%g)",
+ (UINTN) Hd->PartitionNumber,
+ (EFI_GUID *) &(Hd->Signature[0])
+ );
+ break;
+
+ default:
+ CatPrint (
+ Str,
+ L"HD(Part%d,MBRType=%02x,SigType=%02x)",
+ (UINTN) Hd->PartitionNumber,
+ (UINTN) Hd->MBRType,
+ (UINTN) Hd->SignatureType
+ );
+ break;
+ }
+}
+
+VOID
+DevPathCDROM (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ CDROM_DEVICE_PATH *Cd;
+
+ Cd = DevPath;
+ CatPrint (Str, L"CDROM(Entry%x)", (UINTN) Cd->BootEntry);
+}
+
+VOID
+DevPathFilePath (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ FILEPATH_DEVICE_PATH *Fp;
+
+ Fp = DevPath;
+ CatPrint (Str, L"%s", Fp->PathName);
+}
+
+VOID
+DevPathMediaProtocol (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ MEDIA_PROTOCOL_DEVICE_PATH *MediaProt;
+
+ MediaProt = DevPath;
+ CatPrint (Str, L"Media(%g)", &MediaProt->Protocol);
+}
+
+VOID
+DevPathFvFilePath (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FvFilePath;
+
+ FvFilePath = DevPath;
+ CatPrint (Str, L"%g", &FvFilePath->FvFileName);
+}
+
+VOID
+DevPathBssBss (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ BBS_BBS_DEVICE_PATH *Bbs;
+ CHAR16 *Type;
+
+ Bbs = DevPath;
+ switch (Bbs->DeviceType) {
+ case BBS_TYPE_FLOPPY:
+ Type = L"Floppy";
+ break;
+
+ case BBS_TYPE_HARDDRIVE:
+ Type = L"Harddrive";
+ break;
+
+ case BBS_TYPE_CDROM:
+ Type = L"CDROM";
+ break;
+
+ case BBS_TYPE_PCMCIA:
+ Type = L"PCMCIA";
+ break;
+
+ case BBS_TYPE_USB:
+ Type = L"Usb";
+ break;
+
+ case BBS_TYPE_EMBEDDED_NETWORK:
+ Type = L"Net";
+ break;
+
+ case BBS_TYPE_BEV:
+ Type = L"BEV";
+ break;
+
+ default:
+ Type = L"?";
+ break;
+ }
+ CatPrint (Str, L"Legacy-%s", Type);
+}
+
+VOID
+DevPathEndInstance (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ CatPrint (Str, L",");
+}
+
+VOID
+DevPathNodeUnknown (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath
+ )
+{
+ CatPrint (Str, L"?");
+}
+
+DEVICE_PATH_STRING_TABLE DevPathTable[] = {
+ HARDWARE_DEVICE_PATH,
+ HW_PCI_DP,
+ DevPathPci,
+ HARDWARE_DEVICE_PATH,
+ HW_PCCARD_DP,
+ DevPathPccard,
+ HARDWARE_DEVICE_PATH,
+ HW_MEMMAP_DP,
+ DevPathMemMap,
+ HARDWARE_DEVICE_PATH,
+ HW_VENDOR_DP,
+ DevPathVendor,
+ HARDWARE_DEVICE_PATH,
+ HW_CONTROLLER_DP,
+ DevPathController,
+ ACPI_DEVICE_PATH,
+ ACPI_DP,
+ DevPathAcpi,
+ ACPI_DEVICE_PATH,
+ ACPI_EXTENDED_DP,
+ DevPathExtendedAcpi,
+ ACPI_DEVICE_PATH,
+ ACPI_ADR_DP,
+ DevPathAdrAcpi,
+ MESSAGING_DEVICE_PATH,
+ MSG_ATAPI_DP,
+ DevPathAtapi,
+ MESSAGING_DEVICE_PATH,
+ MSG_SCSI_DP,
+ DevPathScsi,
+ MESSAGING_DEVICE_PATH,
+ MSG_FIBRECHANNEL_DP,
+ DevPathFibre,
+ MESSAGING_DEVICE_PATH,
+ MSG_1394_DP,
+ DevPath1394,
+ MESSAGING_DEVICE_PATH,
+ MSG_USB_DP,
+ DevPathUsb,
+ MESSAGING_DEVICE_PATH,
+ MSG_USB_WWID_DP,
+ DevPathUsbWWID,
+ MESSAGING_DEVICE_PATH,
+ MSG_DEVICE_LOGICAL_UNIT_DP,
+ DevPathLogicalUnit,
+ MESSAGING_DEVICE_PATH,
+ MSG_USB_CLASS_DP,
+ DevPathUsbClass,
+ MESSAGING_DEVICE_PATH,
+ MSG_SATA_DP,
+ DevPathSata,
+ MESSAGING_DEVICE_PATH,
+ MSG_I2O_DP,
+ DevPathI2O,
+ MESSAGING_DEVICE_PATH,
+ MSG_MAC_ADDR_DP,
+ DevPathMacAddr,
+ MESSAGING_DEVICE_PATH,
+ MSG_IPv4_DP,
+ DevPathIPv4,
+ MESSAGING_DEVICE_PATH,
+ MSG_IPv6_DP,
+ DevPathIPv6,
+ MESSAGING_DEVICE_PATH,
+ MSG_INFINIBAND_DP,
+ DevPathInfiniBand,
+ MESSAGING_DEVICE_PATH,
+ MSG_UART_DP,
+ DevPathUart,
+ MESSAGING_DEVICE_PATH,
+ MSG_VENDOR_DP,
+ DevPathVendor,
+ MESSAGING_DEVICE_PATH,
+ MSG_ISCSI_DP,
+ DevPathiSCSI,
+ MEDIA_DEVICE_PATH,
+ MEDIA_HARDDRIVE_DP,
+ DevPathHardDrive,
+ MEDIA_DEVICE_PATH,
+ MEDIA_CDROM_DP,
+ DevPathCDROM,
+ MEDIA_DEVICE_PATH,
+ MEDIA_VENDOR_DP,
+ DevPathVendor,
+ MEDIA_DEVICE_PATH,
+ MEDIA_FILEPATH_DP,
+ DevPathFilePath,
+ MEDIA_DEVICE_PATH,
+ MEDIA_PROTOCOL_DP,
+ DevPathMediaProtocol,
+ MEDIA_DEVICE_PATH,
+ MEDIA_PIWG_FW_FILE_DP,
+ DevPathFvFilePath,
+ BBS_DEVICE_PATH,
+ BBS_BBS_DP,
+ DevPathBssBss,
+ END_DEVICE_PATH_TYPE,
+ END_INSTANCE_DEVICE_PATH_SUBTYPE,
+ DevPathEndInstance,
+ 0,
+ 0,
+ NULL
+};
+
+
+/**
+ This function converts an input device structure to a Unicode string.
+
+ @param DevPath A pointer to the device path structure.
+
+ @return A new allocated Unicode string that represents the device path.
+
+**/
+CHAR16 *
+EFIAPI
+DevicePathToStr (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevPath
+ )
+{
+ POOL_PRINT Str;
+ EFI_DEVICE_PATH_PROTOCOL *DevPathNode;
+ VOID (*DumpNode) (POOL_PRINT *, VOID *);
+
+ UINTN Index;
+ UINTN NewSize;
+
+ EFI_STATUS Status;
+ CHAR16 *ToText;
+ EFI_DEVICE_PATH_TO_TEXT_PROTOCOL *DevPathToText;
+
+ ZeroMem (&Str, sizeof (Str));
+
+ if (DevPath == NULL) {
+ goto Done;
+ }
+
+ Status = gBS->LocateProtocol (
+ &gEfiDevicePathToTextProtocolGuid,
+ NULL,
+ (VOID **) &DevPathToText
+ );
+ if (!EFI_ERROR (Status)) {
+ ToText = DevPathToText->ConvertDevicePathToText (
+ DevPath,
+ FALSE,
+ TRUE
+ );
+ ASSERT (ToText != NULL);
+ return ToText;
+ }
+
+ //
+ // Unpacked the device path
+ //
+ DevPath = BdsLibUnpackDevicePath (DevPath);
+ ASSERT (DevPath);
+
+ //
+ // Process each device path node
+ //
+ DevPathNode = DevPath;
+ while (!IsDevicePathEnd (DevPathNode)) {
+ //
+ // Find the handler to dump this device path node
+ //
+ DumpNode = NULL;
+ for (Index = 0; DevPathTable[Index].Function; Index += 1) {
+
+ if (DevicePathType (DevPathNode) == DevPathTable[Index].Type &&
+ DevicePathSubType (DevPathNode) == DevPathTable[Index].SubType
+ ) {
+ DumpNode = DevPathTable[Index].Function;
+ break;
+ }
+ }
+ //
+ // If not found, use a generic function
+ //
+ if (!DumpNode) {
+ DumpNode = DevPathNodeUnknown;
+ }
+ //
+ // Put a path seperator in if needed
+ //
+ if (Str.len && DumpNode != DevPathEndInstance) {
+ CatPrint (&Str, L"/");
+ }
+ //
+ // Print this node of the device path
+ //
+ DumpNode (&Str, DevPathNode);
+
+ //
+ // Next device path node
+ //
+ DevPathNode = NextDevicePathNode (DevPathNode);
+ }
+ //
+ // Shrink pool used for string allocation
+ //
+ gBS->FreePool (DevPath);
+
+Done:
+ NewSize = (Str.len + 1) * sizeof (CHAR16);
+ Str.str = ReallocatePool (Str.str, NewSize, NewSize);
+ ASSERT (Str.str != NULL);
+ Str.str[Str.len] = 0;
+ return Str.str;
+}
+
+
+/**
+ Function creates a device path data structure that identically matches the
+ device path passed in.
+
+ @param DevPath A pointer to a device path data structure.
+
+ @return The new copy of DevPath is created to identically match the input.
+ @return Otherwise, NULL is returned.
+
+**/
+EFI_DEVICE_PATH_PROTOCOL *
+LibDuplicateDevicePathInstance (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevPath
+ )
+{
+ EFI_DEVICE_PATH_PROTOCOL *NewDevPath;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePathInst;
+ EFI_DEVICE_PATH_PROTOCOL *Temp;
+ UINTN Size;
+
+ //
+ // get the size of an instance from the input
+ //
+ Temp = DevPath;
+ DevicePathInst = GetNextDevicePathInstance (&Temp, &Size);
+
+ //
+ // Make a copy
+ //
+ NewDevPath = NULL;
+ if (Size) {
+ NewDevPath = AllocateZeroPool (Size);
+ ASSERT (NewDevPath != NULL);
+ }
+
+ if (NewDevPath) {
+ CopyMem (NewDevPath, DevicePathInst, Size);
+ }
+
+ return NewDevPath;
+}
diff --git a/MdeModulePkg/Library/GenericBdsLib/Ebc/BmMachine.h b/MdeModulePkg/Library/GenericBdsLib/Ebc/BmMachine.h index dc4d728733..55245ac6ee 100644 --- a/MdeModulePkg/Library/GenericBdsLib/Ebc/BmMachine.h +++ b/MdeModulePkg/Library/GenericBdsLib/Ebc/BmMachine.h @@ -1,35 +1,23 @@ -/** @file - -Copyright (c) 2007, 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: - - BmMachine.h - -Abstract: - - Boot Manager Machine type - - - -Revision History - - -**/ - -#ifndef _BM_MACHINE_H -#define _BM_MACHINE_H - -// -// NOTE: This is not defined in UEFI spec. -// -#define DEFAULT_REMOVABLE_FILE_NAME L"\\EFI\\BOOT\\BOOTEBC.EFI" - -#endif +/** @file
+ Boot Manager Machine type
+
+Copyright (c) 2007 - 2008, Intel Corporation. <BR>
+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.
+
+**/
+
+#ifndef _BM_MACHINE_H
+#define _BM_MACHINE_H
+
+//
+// NOTE: This is not defined in UEFI spec.
+//
+#define DEFAULT_REMOVABLE_FILE_NAME L"\\EFI\\BOOT\\BOOTEBC.EFI"
+
+#endif
diff --git a/MdeModulePkg/Library/GenericBdsLib/GenericBdsLib.inf b/MdeModulePkg/Library/GenericBdsLib/GenericBdsLib.inf index 0752bc88f2..5100d011ce 100644 --- a/MdeModulePkg/Library/GenericBdsLib/GenericBdsLib.inf +++ b/MdeModulePkg/Library/GenericBdsLib/GenericBdsLib.inf @@ -1,18 +1,16 @@ #/** @file
-# Component name for module GenericBdsLib
-#
-# FIX ME!
-# Copyright (c) 2007, Intel Corporation. All rights reserved.
-#
-# 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,
+# Component name for module GenericBdsLib
+#
+# Copyright (c) 2007 - 2008, Intel Corporation. <BR>
+# 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.
-#
-#
+#
#**/
[Defines]
@@ -37,18 +35,14 @@ Performance.c
BdsConnect.c
BdsMisc.c
- R8Lib.c
BdsConsole.c
BdsBoot.c
InternalBdsLib.h
- R8Lib.h
[Sources.Ia32]
- Ia32/ClearDr.asm
Ia32/BmMachine.h
[Sources.X64]
- x64/ClearDr.asm
x64/BmMachine.h
[Sources.IPF]
diff --git a/MdeModulePkg/Library/GenericBdsLib/Ia32/BmMachine.h b/MdeModulePkg/Library/GenericBdsLib/Ia32/BmMachine.h index e0b1fcace5..1eba5c8122 100644 --- a/MdeModulePkg/Library/GenericBdsLib/Ia32/BmMachine.h +++ b/MdeModulePkg/Library/GenericBdsLib/Ia32/BmMachine.h @@ -1,34 +1,22 @@ -/** @file - -Copyright (c) 2004 - 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: - - BmMachine.h - -Abstract: - - Boot Manager Machine type - - - -Revision History - - -**/ - -#ifndef _BM_MACHINE_H -#define _BM_MACHINE_H - -//@MT:#include "CpuIA32.h" - -#define DEFAULT_REMOVABLE_FILE_NAME L"\\EFI\\BOOT\\BOOTIA32.EFI" - -#endif +/** @file
+ Boot Manager Machine type
+
+Copyright (c) 2004 - 2008, Intel Corporation. <BR>
+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.
+
+**/
+
+#ifndef _BM_MACHINE_H
+#define _BM_MACHINE_H
+
+//@MT:#include "CpuIA32.h"
+
+#define DEFAULT_REMOVABLE_FILE_NAME L"\\EFI\\BOOT\\BOOTIA32.EFI"
+
+#endif
diff --git a/MdeModulePkg/Library/GenericBdsLib/Ia32/ClearDr.asm b/MdeModulePkg/Library/GenericBdsLib/Ia32/ClearDr.asm deleted file mode 100644 index c4c16655a4..0000000000 --- a/MdeModulePkg/Library/GenericBdsLib/Ia32/ClearDr.asm +++ /dev/null @@ -1,43 +0,0 @@ - title ClearDr.asm -;------------------------------------------------------------------------------ -; -; Copyright (c) 2004, 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: -; -; ClearDr.asm -; -; Abstract: -; -; Clear dr0 dr1 register -; -;------------------------------------------------------------------------------ - - .686 - .MODEL FLAT,C - .CODE - -;------------------------------------------------------------------------------ -; VOID -; ClearDebugRegisters ( -; VOID -; ) -;------------------------------------------------------------------------------ -ClearDebugRegisters PROC PUBLIC - push eax - xor eax, eax - mov dr0, eax - mov dr1, eax - pop eax - ret -ClearDebugRegisters ENDP - -END - diff --git a/MdeModulePkg/Library/GenericBdsLib/InternalBdsLib.h b/MdeModulePkg/Library/GenericBdsLib/InternalBdsLib.h index cf63e80afd..9619c31e7a 100644 --- a/MdeModulePkg/Library/GenericBdsLib/InternalBdsLib.h +++ b/MdeModulePkg/Library/GenericBdsLib/InternalBdsLib.h @@ -1,103 +1,93 @@ -/** @file - -Copyright (c) 2004 - 2007, 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: - - InternalBdsLib.h - -Abstract: - - BDS library definition, include the file and data structure - - -**/ - -#ifndef _INTERNAL_BDS_LIB_H_ -#define _INTERNAL_BDS_LIB_H_ - -#include <PiDxe.h> - -#include <IndustryStandard/Pci22.h> - -#include <Protocol/BlockIo.h> -#include <Protocol/LoadedImage.h> -#include <Protocol/Cpu.h> -#include <Protocol/SimpleFileSystem.h> -#include <Protocol/DebugPort.h> -#include <Protocol/DevicePath.h> -#include <Protocol/SimpleTextIn.h> -#include <Protocol/LegacyBios.h> -#include <Protocol/SimpleTextOut.h> -#include <Protocol/SimpleNetwork.h> -#include <Protocol/DevicePathToText.h> -#include <Protocol/FirmwareVolume2.h> -#include <Protocol/PciIo.h> -#include <Protocol/AcpiS3Save.h> -#include <Protocol/Performance.h> -#include <Protocol/FirmwareVolumeDispatch.h> - -#include <Guid/MemoryTypeInformation.h> -#include <Guid/FileInfo.h> -#include <Guid/GlobalVariable.h> -#include <Guid/PcAnsi.h> -#include <Guid/ShellFile.h> -#include <Guid/HobList.h> -#include <Guid/GenericPlatformVariable.h> - -#include <Library/PrintLib.h> -#include <Library/DebugLib.h> -#include <Library/BaseMemoryLib.h> -#include <Library/UefiBootServicesTableLib.h> -#include <Library/UefiLib.h> -#include <Library/MemoryAllocationLib.h> -#include <Library/DxeServicesTableLib.h> -#include <Library/UefiRuntimeServicesTableLib.h> -#include <Library/HobLib.h> -#include <Library/BaseLib.h> -#include <Library/DevicePathLib.h> -#include <Library/PerformanceLib.h> -#include <Library/PcdLib.h> -#include <Library/IfrSupportLib.h> -#include <Library/PeCoffGetEntryPointLib.h> -#include <Library/GenericBdsLib.h> -#include <Library/TimerLib.h> - -#include "BmMachine.h" - -#include "R8Lib.h" - -#define PERFORMANCE_SIGNATURE EFI_SIGNATURE_32 ('P', 'e', 'r', 'f') -#define PERF_TOKEN_SIZE 28 -#define PERF_TOKEN_LENGTH (PERF_TOKEN_SIZE - 1) -#define PERF_PEI_ENTRY_MAX_NUM 50 - -typedef struct { - CHAR8 Token[PERF_TOKEN_SIZE]; - UINT32 Duration; -} PERF_DATA; - -typedef struct { - UINT64 BootToOs; - UINT64 S3Resume; - UINT32 S3EntryNum; - PERF_DATA S3Entry[PERF_PEI_ENTRY_MAX_NUM]; - UINT64 CpuFreq; - UINT64 BDSRaw; - UINT32 Count; - UINT32 Signiture; -} PERF_HEADER; - -VOID -WriteBootToOsPerformanceData ( - VOID - ); - -#endif // _BDS_LIB_H_ +/** @file
+ BDS library definition, include the file and data structure
+
+Copyright (c) 2004 - 2008, Intel Corporation. <BR>
+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.
+
+**/
+
+#ifndef _INTERNAL_BDS_LIB_H_
+#define _INTERNAL_BDS_LIB_H_
+
+#include <PiDxe.h>
+
+#include <IndustryStandard/Pci22.h>
+
+#include <Protocol/BlockIo.h>
+#include <Protocol/LoadedImage.h>
+#include <Protocol/Cpu.h>
+#include <Protocol/SimpleFileSystem.h>
+#include <Protocol/DebugPort.h>
+#include <Protocol/DevicePath.h>
+#include <Protocol/SimpleTextIn.h>
+#include <Protocol/LegacyBios.h>
+#include <Protocol/SimpleTextOut.h>
+#include <Protocol/SimpleNetwork.h>
+#include <Protocol/DevicePathToText.h>
+#include <Protocol/FirmwareVolume2.h>
+#include <Protocol/PciIo.h>
+#include <Protocol/AcpiS3Save.h>
+#include <Protocol/Performance.h>
+#include <Protocol/FirmwareVolumeDispatch.h>
+
+#include <Guid/MemoryTypeInformation.h>
+#include <Guid/FileInfo.h>
+#include <Guid/GlobalVariable.h>
+#include <Guid/PcAnsi.h>
+#include <Guid/ShellFile.h>
+#include <Guid/HobList.h>
+#include <Guid/GenericPlatformVariable.h>
+
+#include <Library/PrintLib.h>
+#include <Library/DebugLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/DxeServicesTableLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+#include <Library/HobLib.h>
+#include <Library/BaseLib.h>
+#include <Library/DevicePathLib.h>
+#include <Library/PerformanceLib.h>
+#include <Library/PcdLib.h>
+#include <Library/IfrSupportLib.h>
+#include <Library/PeCoffGetEntryPointLib.h>
+#include <Library/GenericBdsLib.h>
+#include <Library/TimerLib.h>
+
+#include "BmMachine.h"
+
+#define PERFORMANCE_SIGNATURE EFI_SIGNATURE_32 ('P', 'e', 'r', 'f')
+#define PERF_TOKEN_SIZE 28
+#define PERF_TOKEN_LENGTH (PERF_TOKEN_SIZE - 1)
+#define PERF_PEI_ENTRY_MAX_NUM 50
+
+typedef struct {
+ CHAR8 Token[PERF_TOKEN_SIZE];
+ UINT32 Duration;
+} PERF_DATA;
+
+typedef struct {
+ UINT64 BootToOs;
+ UINT64 S3Resume;
+ UINT32 S3EntryNum;
+ PERF_DATA S3Entry[PERF_PEI_ENTRY_MAX_NUM];
+ UINT64 CpuFreq;
+ UINT64 BDSRaw;
+ UINT32 Count;
+ UINT32 Signiture;
+} PERF_HEADER;
+
+VOID
+WriteBootToOsPerformanceData (
+ VOID
+ );
+
+#endif // _BDS_LIB_H_
diff --git a/MdeModulePkg/Library/GenericBdsLib/Ipf/BmMachine.h b/MdeModulePkg/Library/GenericBdsLib/Ipf/BmMachine.h index e9afc8a293..399c02fec2 100644 --- a/MdeModulePkg/Library/GenericBdsLib/Ipf/BmMachine.h +++ b/MdeModulePkg/Library/GenericBdsLib/Ipf/BmMachine.h @@ -1,34 +1,22 @@ -/** @file - -Copyright (c) 2004 - 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: - - BmMachine.h - -Abstract: - - Boot Manager Machine type - - - -Revision History - - -**/ - -#ifndef _BM_MACHINE_H -#define _BM_MACHINE_H - -//@MT:#include "CpuIA64.h" - -#define DEFAULT_REMOVABLE_FILE_NAME L"\\EFI\\BOOT\\BOOTIA64.EFI" - -#endif +/** @file
+ Boot Manager Machine type
+
+Copyright (c) 2004 - 2008, Intel Corporation. <BR>
+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.
+
+**/
+
+#ifndef _BM_MACHINE_H
+#define _BM_MACHINE_H
+
+//@MT:#include "CpuIA64.h"
+
+#define DEFAULT_REMOVABLE_FILE_NAME L"\\EFI\\BOOT\\BOOTIA64.EFI"
+
+#endif
diff --git a/MdeModulePkg/Library/GenericBdsLib/Ipf/ShadowRom.c b/MdeModulePkg/Library/GenericBdsLib/Ipf/ShadowRom.c index b1bec9db6e..cd9f39bafa 100644 --- a/MdeModulePkg/Library/GenericBdsLib/Ipf/ShadowRom.c +++ b/MdeModulePkg/Library/GenericBdsLib/Ipf/ShadowRom.c @@ -1,56 +1,46 @@ -/** @file - -Copyright (c) 2004, 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: - - ShadowRom.c - -Abstract: - - Shadow all option rom - -Revision History - - -**/ - -//@MT:#include "Tiano.h" -//@MT:#include "EfiDriverLib.h" - -//@MT:#include EFI_PROTOCOL_DEFINITION (LegacyBios) - -#include "InternalBdsLib.h" - -UINT8 mShadowRomFlag = 0; - -VOID -ShadowAllOptionRom() -{ - EFI_STATUS Status; - EFI_LEGACY_BIOS_PROTOCOL *LegacyBios; - // - // Rom shadow only do once. - // - if (mShadowRomFlag == 0) { - Status = gBS->LocateProtocol ( - &gEfiLegacyBiosProtocolGuid, - NULL, - (VOID **) &LegacyBios - ); - if (!EFI_ERROR (Status)) { - LegacyBios->PrepareToBootEfi (LegacyBios, NULL, NULL); - } - - mShadowRomFlag = 1; - } - - return ; -} +/** @file
+ Shadow all option rom
+
+Copyright (c) 2004 - 2008, Intel Corporation. <BR>
+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.
+
+**/
+
+//@MT:#include "Tiano.h"
+//@MT:#include "EfiDriverLib.h"
+
+//@MT:#include EFI_PROTOCOL_DEFINITION (LegacyBios)
+
+#include "InternalBdsLib.h"
+
+UINT8 mShadowRomFlag = 0;
+
+VOID
+ShadowAllOptionRom()
+{
+ EFI_STATUS Status;
+ EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;
+ //
+ // Rom shadow only do once.
+ //
+ if (mShadowRomFlag == 0) {
+ Status = gBS->LocateProtocol (
+ &gEfiLegacyBiosProtocolGuid,
+ NULL,
+ (VOID **) &LegacyBios
+ );
+ if (!EFI_ERROR (Status)) {
+ LegacyBios->PrepareToBootEfi (LegacyBios, NULL, NULL);
+ }
+
+ mShadowRomFlag = 1;
+ }
+
+ return ;
+}
diff --git a/MdeModulePkg/Library/GenericBdsLib/Performance.c b/MdeModulePkg/Library/GenericBdsLib/Performance.c index 0a42428a06..29547a3b42 100644 --- a/MdeModulePkg/Library/GenericBdsLib/Performance.c +++ b/MdeModulePkg/Library/GenericBdsLib/Performance.c @@ -1,326 +1,318 @@ -/** @file - -Copyright (c) 2004 - 2007, 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: - - Performance.c - -Abstract: - - This file include the file which can help to get the system - performance, all the function will only include if the performance - switch is set. - - -**/ - -#include "InternalBdsLib.h" - -STATIC PERF_HEADER mPerfHeader; -STATIC PERF_DATA mPerfData; - -STATIC -VOID -GetShortPdbFileName ( - CHAR8 *PdbFileName, - CHAR8 *GaugeString - ) -/*++ - -Routine Description: - -Arguments: - -Returns: - ---*/ -{ - UINTN Index; - UINTN Index1; - UINTN StartIndex; - UINTN EndIndex; - - if (PdbFileName == NULL) { - AsciiStrCpy (GaugeString, " "); - } else { - StartIndex = 0; - for (EndIndex = 0; PdbFileName[EndIndex] != 0; EndIndex++) - ; - - for (Index = 0; PdbFileName[Index] != 0; Index++) { - if (PdbFileName[Index] == '\\') { - StartIndex = Index + 1; - } - - if (PdbFileName[Index] == '.') { - EndIndex = Index; - } - } - - Index1 = 0; - for (Index = StartIndex; Index < EndIndex; Index++) { - GaugeString[Index1] = PdbFileName[Index]; - Index1++; - if (Index1 == PERF_TOKEN_LENGTH - 1) { - break; - } - } - - GaugeString[Index1] = 0; - } - - return ; -} - -STATIC -VOID -GetNameFromHandle ( - IN EFI_HANDLE Handle, - OUT CHAR8 *GaugeString - ) -{ - EFI_STATUS Status; - EFI_LOADED_IMAGE_PROTOCOL *Image; - CHAR8 *PdbFileName; - EFI_DRIVER_BINDING_PROTOCOL *DriverBinding; - - AsciiStrCpy (GaugeString, " "); - - // - // Get handle name from image protocol - // - Status = gBS->HandleProtocol ( - Handle, - &gEfiLoadedImageProtocolGuid, - (VOID **) &Image - ); - - if (EFI_ERROR (Status)) { - Status = gBS->OpenProtocol ( - Handle, - &gEfiDriverBindingProtocolGuid, - (VOID **) &DriverBinding, - NULL, - NULL, - EFI_OPEN_PROTOCOL_GET_PROTOCOL - ); - if (EFI_ERROR (Status)) { - return ; - } - // - // Get handle name from image protocol - // - Status = gBS->HandleProtocol ( - DriverBinding->ImageHandle, - &gEfiLoadedImageProtocolGuid, - (VOID **) &Image - ); - } - - PdbFileName = PeCoffLoaderGetPdbPointer (Image->ImageBase); - - if (PdbFileName != NULL) { - GetShortPdbFileName (PdbFileName, GaugeString); - } - - return ; -} - -VOID -WriteBootToOsPerformanceData ( - VOID - ) -/*++ - -Routine Description: - - Allocates a block of memory and writes performance data of booting to OS into it. - -Arguments: - - None - -Returns: - - None - ---*/ -{ - EFI_STATUS Status; - EFI_PHYSICAL_ADDRESS AcpiLowMemoryBase; - UINT32 AcpiLowMemoryLength; - UINT32 LimitCount; - EFI_HANDLE *Handles; - UINTN NoHandles; - CHAR8 GaugeString[PERF_TOKEN_LENGTH]; - UINT8 *Ptr; - UINT32 Index; - UINT64 Ticker; - UINT64 Freq; - UINT32 Duration; - UINTN LogEntryKey; - CONST VOID *Handle; - CONST CHAR8 *Token; - CONST CHAR8 *Module; - UINT64 StartTicker; - UINT64 EndTicker; - UINT64 StartValue; - UINT64 EndValue; - BOOLEAN CountUp; - - // - // Retrive time stamp count as early as possilbe - // - Ticker = GetPerformanceCounter (); - - Freq = GetPerformanceCounterProperties (&StartValue, &EndValue); - - Freq = DivU64x32 (Freq, 1000); - - mPerfHeader.CpuFreq = Freq; - - // - // Record BDS raw performance data - // - if (EndValue >= StartValue) { - mPerfHeader.BDSRaw = Ticker - StartValue; - CountUp = TRUE; - } else { - mPerfHeader.BDSRaw = StartValue - Ticker; - CountUp = FALSE; - } - - AcpiLowMemoryLength = 0x2000; - - // - // Allocate a block of memory that contain performance data to OS - // - Status = gBS->AllocatePages ( - AllocateAnyPages, - EfiACPIReclaimMemory, - EFI_SIZE_TO_PAGES (AcpiLowMemoryLength), - &AcpiLowMemoryBase - ); - if (EFI_ERROR (Status)) { - return ; - } - - - Ptr = (UINT8 *) ((UINT32) AcpiLowMemoryBase + sizeof (PERF_HEADER)); - LimitCount = (AcpiLowMemoryLength - sizeof (PERF_HEADER)) / sizeof (PERF_DATA); - - // - // Put Detailed performance data into memory - // - Handles = NULL; - Status = gBS->LocateHandleBuffer ( - AllHandles, - NULL, - NULL, - &NoHandles, - &Handles - ); - if (EFI_ERROR (Status)) { - gBS->FreePages (AcpiLowMemoryBase, 1); - return ; - } - // - // Get DXE drivers performance - // - for (Index = 0; Index < NoHandles; Index++) { - Ticker = 0; - LogEntryKey = 0; - while ((LogEntryKey = GetPerformanceMeasurement ( - LogEntryKey, - &Handle, - &Token, - &Module, - &StartTicker, - &EndTicker)) != 0) { - if ((Handle == Handles[Index]) && (EndTicker != 0)) { - Ticker += CountUp ? (EndTicker - StartTicker) : (StartTicker - EndTicker); - } - } - - Duration = (UINT32) DivU64x32 (Ticker, (UINT32) Freq); - - if (Duration > 0) { - - GetNameFromHandle (Handles[Index], GaugeString); - - AsciiStrCpy (mPerfData.Token, GaugeString); - mPerfData.Duration = Duration; - - CopyMem (Ptr, &mPerfData, sizeof (PERF_DATA)); - Ptr += sizeof (PERF_DATA); - - mPerfHeader.Count++; - if (mPerfHeader.Count == LimitCount) { - goto Done; - } - } - } - - FreePool (Handles); - - // - // Get inserted performance data - // - LogEntryKey = 0; - while ((LogEntryKey = GetPerformanceMeasurement ( - LogEntryKey, - &Handle, - &Token, - &Module, - &StartTicker, - &EndTicker)) != 0) { - if (Handle == NULL && EndTicker != 0) { - - ZeroMem (&mPerfData, sizeof (PERF_DATA)); - - AsciiStrnCpy (mPerfData.Token, Token, PERF_TOKEN_LENGTH); - Ticker = CountUp ? (EndTicker - StartTicker) : (StartTicker - EndTicker); - - mPerfData.Duration = (UINT32) DivU64x32 (Ticker, (UINT32) Freq); - - CopyMem (Ptr, &mPerfData, sizeof (PERF_DATA)); - Ptr += sizeof (PERF_DATA); - - mPerfHeader.Count++; - if (mPerfHeader.Count == LimitCount) { - goto Done; - } - } - } - -Done: - - mPerfHeader.Signiture = PERFORMANCE_SIGNATURE; - - // - // Put performance data to memory - // - CopyMem ( - (UINTN *) (UINTN) AcpiLowMemoryBase, - &mPerfHeader, - sizeof (PERF_HEADER) - ); - - gRT->SetVariable ( - L"PerfDataMemAddr", - &gEfiGenericPlatformVariableGuid, - EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS, - sizeof (EFI_PHYSICAL_ADDRESS), - &AcpiLowMemoryBase - ); - - return ; -} +/** @file
+ This file include the file which can help to get the system
+ performance, all the function will only include if the performance
+ switch is set.
+
+Copyright (c) 2004 - 2008, Intel Corporation. <BR>
+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.
+
+**/
+
+#include "InternalBdsLib.h"
+
+STATIC PERF_HEADER mPerfHeader;
+STATIC PERF_DATA mPerfData;
+
+STATIC
+VOID
+GetShortPdbFileName (
+ CHAR8 *PdbFileName,
+ CHAR8 *GaugeString
+ )
+/*++
+
+Routine Description:
+
+Arguments:
+
+Returns:
+
+--*/
+{
+ UINTN Index;
+ UINTN Index1;
+ UINTN StartIndex;
+ UINTN EndIndex;
+
+ if (PdbFileName == NULL) {
+ AsciiStrCpy (GaugeString, " ");
+ } else {
+ StartIndex = 0;
+ for (EndIndex = 0; PdbFileName[EndIndex] != 0; EndIndex++)
+ ;
+
+ for (Index = 0; PdbFileName[Index] != 0; Index++) {
+ if (PdbFileName[Index] == '\\') {
+ StartIndex = Index + 1;
+ }
+
+ if (PdbFileName[Index] == '.') {
+ EndIndex = Index;
+ }
+ }
+
+ Index1 = 0;
+ for (Index = StartIndex; Index < EndIndex; Index++) {
+ GaugeString[Index1] = PdbFileName[Index];
+ Index1++;
+ if (Index1 == PERF_TOKEN_LENGTH - 1) {
+ break;
+ }
+ }
+
+ GaugeString[Index1] = 0;
+ }
+
+ return ;
+}
+
+STATIC
+VOID
+GetNameFromHandle (
+ IN EFI_HANDLE Handle,
+ OUT CHAR8 *GaugeString
+ )
+{
+ EFI_STATUS Status;
+ EFI_LOADED_IMAGE_PROTOCOL *Image;
+ CHAR8 *PdbFileName;
+ EFI_DRIVER_BINDING_PROTOCOL *DriverBinding;
+
+ AsciiStrCpy (GaugeString, " ");
+
+ //
+ // Get handle name from image protocol
+ //
+ Status = gBS->HandleProtocol (
+ Handle,
+ &gEfiLoadedImageProtocolGuid,
+ (VOID **) &Image
+ );
+
+ if (EFI_ERROR (Status)) {
+ Status = gBS->OpenProtocol (
+ Handle,
+ &gEfiDriverBindingProtocolGuid,
+ (VOID **) &DriverBinding,
+ NULL,
+ NULL,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ return ;
+ }
+ //
+ // Get handle name from image protocol
+ //
+ Status = gBS->HandleProtocol (
+ DriverBinding->ImageHandle,
+ &gEfiLoadedImageProtocolGuid,
+ (VOID **) &Image
+ );
+ }
+
+ PdbFileName = PeCoffLoaderGetPdbPointer (Image->ImageBase);
+
+ if (PdbFileName != NULL) {
+ GetShortPdbFileName (PdbFileName, GaugeString);
+ }
+
+ return ;
+}
+
+VOID
+WriteBootToOsPerformanceData (
+ VOID
+ )
+/*++
+
+Routine Description:
+
+ Allocates a block of memory and writes performance data of booting to OS into it.
+
+Arguments:
+
+ None
+
+Returns:
+
+ None
+
+--*/
+{
+ EFI_STATUS Status;
+ EFI_PHYSICAL_ADDRESS AcpiLowMemoryBase;
+ UINT32 AcpiLowMemoryLength;
+ UINT32 LimitCount;
+ EFI_HANDLE *Handles;
+ UINTN NoHandles;
+ CHAR8 GaugeString[PERF_TOKEN_LENGTH];
+ UINT8 *Ptr;
+ UINT32 Index;
+ UINT64 Ticker;
+ UINT64 Freq;
+ UINT32 Duration;
+ UINTN LogEntryKey;
+ CONST VOID *Handle;
+ CONST CHAR8 *Token;
+ CONST CHAR8 *Module;
+ UINT64 StartTicker;
+ UINT64 EndTicker;
+ UINT64 StartValue;
+ UINT64 EndValue;
+ BOOLEAN CountUp;
+
+ //
+ // Retrive time stamp count as early as possilbe
+ //
+ Ticker = GetPerformanceCounter ();
+
+ Freq = GetPerformanceCounterProperties (&StartValue, &EndValue);
+
+ Freq = DivU64x32 (Freq, 1000);
+
+ mPerfHeader.CpuFreq = Freq;
+
+ //
+ // Record BDS raw performance data
+ //
+ if (EndValue >= StartValue) {
+ mPerfHeader.BDSRaw = Ticker - StartValue;
+ CountUp = TRUE;
+ } else {
+ mPerfHeader.BDSRaw = StartValue - Ticker;
+ CountUp = FALSE;
+ }
+
+ AcpiLowMemoryLength = 0x2000;
+
+ //
+ // Allocate a block of memory that contain performance data to OS
+ //
+ Status = gBS->AllocatePages (
+ AllocateAnyPages,
+ EfiACPIReclaimMemory,
+ EFI_SIZE_TO_PAGES (AcpiLowMemoryLength),
+ &AcpiLowMemoryBase
+ );
+ if (EFI_ERROR (Status)) {
+ return ;
+ }
+
+
+ Ptr = (UINT8 *) ((UINT32) AcpiLowMemoryBase + sizeof (PERF_HEADER));
+ LimitCount = (AcpiLowMemoryLength - sizeof (PERF_HEADER)) / sizeof (PERF_DATA);
+
+ //
+ // Put Detailed performance data into memory
+ //
+ Handles = NULL;
+ Status = gBS->LocateHandleBuffer (
+ AllHandles,
+ NULL,
+ NULL,
+ &NoHandles,
+ &Handles
+ );
+ if (EFI_ERROR (Status)) {
+ gBS->FreePages (AcpiLowMemoryBase, 1);
+ return ;
+ }
+ //
+ // Get DXE drivers performance
+ //
+ for (Index = 0; Index < NoHandles; Index++) {
+ Ticker = 0;
+ LogEntryKey = 0;
+ while ((LogEntryKey = GetPerformanceMeasurement (
+ LogEntryKey,
+ &Handle,
+ &Token,
+ &Module,
+ &StartTicker,
+ &EndTicker)) != 0) {
+ if ((Handle == Handles[Index]) && (EndTicker != 0)) {
+ Ticker += CountUp ? (EndTicker - StartTicker) : (StartTicker - EndTicker);
+ }
+ }
+
+ Duration = (UINT32) DivU64x32 (Ticker, (UINT32) Freq);
+
+ if (Duration > 0) {
+
+ GetNameFromHandle (Handles[Index], GaugeString);
+
+ AsciiStrCpy (mPerfData.Token, GaugeString);
+ mPerfData.Duration = Duration;
+
+ CopyMem (Ptr, &mPerfData, sizeof (PERF_DATA));
+ Ptr += sizeof (PERF_DATA);
+
+ mPerfHeader.Count++;
+ if (mPerfHeader.Count == LimitCount) {
+ goto Done;
+ }
+ }
+ }
+
+ FreePool (Handles);
+
+ //
+ // Get inserted performance data
+ //
+ LogEntryKey = 0;
+ while ((LogEntryKey = GetPerformanceMeasurement (
+ LogEntryKey,
+ &Handle,
+ &Token,
+ &Module,
+ &StartTicker,
+ &EndTicker)) != 0) {
+ if (Handle == NULL && EndTicker != 0) {
+
+ ZeroMem (&mPerfData, sizeof (PERF_DATA));
+
+ AsciiStrnCpy (mPerfData.Token, Token, PERF_TOKEN_LENGTH);
+ Ticker = CountUp ? (EndTicker - StartTicker) : (StartTicker - EndTicker);
+
+ mPerfData.Duration = (UINT32) DivU64x32 (Ticker, (UINT32) Freq);
+
+ CopyMem (Ptr, &mPerfData, sizeof (PERF_DATA));
+ Ptr += sizeof (PERF_DATA);
+
+ mPerfHeader.Count++;
+ if (mPerfHeader.Count == LimitCount) {
+ goto Done;
+ }
+ }
+ }
+
+Done:
+
+ mPerfHeader.Signiture = PERFORMANCE_SIGNATURE;
+
+ //
+ // Put performance data to memory
+ //
+ CopyMem (
+ (UINTN *) (UINTN) AcpiLowMemoryBase,
+ &mPerfHeader,
+ sizeof (PERF_HEADER)
+ );
+
+ gRT->SetVariable (
+ L"PerfDataMemAddr",
+ &gEfiGenericPlatformVariableGuid,
+ EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
+ sizeof (EFI_PHYSICAL_ADDRESS),
+ &AcpiLowMemoryBase
+ );
+
+ return ;
+}
diff --git a/MdeModulePkg/Library/GenericBdsLib/R8Lib.c b/MdeModulePkg/Library/GenericBdsLib/R8Lib.c deleted file mode 100644 index 537dc123da..0000000000 --- a/MdeModulePkg/Library/GenericBdsLib/R8Lib.c +++ /dev/null @@ -1,114 +0,0 @@ -/**@file - Copyright (c) 2007, 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. - - -**/ - -#include "InternalBdsLib.h" - -/** - Get current boot mode. - - @param HobStart Start pointer of hob list - @param BootMode Current boot mode recorded in PHIT hob - - @retval EFI_NOT_FOUND Invalid hob header - @retval EFI_SUCCESS Boot mode found - -**/ -EFI_STATUS -R8_GetHobBootMode ( - IN VOID *HobStart, - OUT EFI_BOOT_MODE *BootMode - ) -{ - // - // Porting Guide: - // This library interface is simply obsolete. - // Include the source code to user code. - // In fact, since EFI_HANDOFF_HOB must be the first Hob, - // the following code can retrieve boot mode. - // - // EFI_HOB_HANDOFF_INFO_TABLE *HandOffHob; - // - // HandOffHob = GetHobList (); - // ASSERT (HandOffHob->Header.HobType == EFI_HOB_TYPE_HANDOFF); - // - // BootMode = HandOffHob->BootMode; - // - EFI_PEI_HOB_POINTERS Hob; - - Hob.Raw = HobStart; - if (Hob.Header->HobType != EFI_HOB_TYPE_HANDOFF) { - return EFI_NOT_FOUND; - } - - *BootMode = Hob.HandoffInformationTable->BootMode; - return EFI_SUCCESS; -} - - - - -/** - Get the next guid hob. - - @param HobStart A pointer to the start hob. - @param Guid A pointer to a guid. - @param Buffer A pointer to the buffer. - @param BufferSize Buffer size. - - @retval EFI_NOT_FOUND Next Guid hob not found - @retval EFI_SUCCESS Next Guid hob found and data for this Guid got - @retval EFI_INVALID_PARAMETER invalid parameter - -**/ -EFI_STATUS -R8_GetNextGuidHob ( - IN OUT VOID **HobStart, - IN EFI_GUID * Guid, - OUT VOID **Buffer, - OUT UINTN *BufferSize OPTIONAL - ) -{ - // - // Porting Guide: - // This library interface is changed substantially with R9 counerpart GetNextGuidHob (). - // 1. R9 GetNextGuidHob has two parameters and returns the matched GUID HOB from the StartHob. - // 2. R9 GetNextGuidHob does not strip the HOB header, so caller is required to apply - // GET_GUID_HOB_DATA () and GET_GUID_HOB_DATA_SIZE () to extract the data section and its - // size info respectively. - // 3. this function does not skip the starting HOB pointer unconditionally: - // it returns HobStart back if HobStart itself meets the requirement; - // caller is required to use GET_NEXT_HOB() if it wishes to skip current HobStart. - // - EFI_PEI_HOB_POINTERS GuidHob; - - if (Buffer == NULL) { - return EFI_INVALID_PARAMETER; - } - - GuidHob.Raw = GetNextGuidHob (Guid, *HobStart); - if (GuidHob.Raw == NULL) { - return EFI_NOT_FOUND; - } - - *Buffer = GET_GUID_HOB_DATA (GuidHob.Guid); - if (BufferSize != NULL) { - *BufferSize = GET_GUID_HOB_DATA_SIZE (GuidHob.Guid); - } - - *HobStart = GET_NEXT_HOB (GuidHob); - - return EFI_SUCCESS; -} - - diff --git a/MdeModulePkg/Library/GenericBdsLib/R8Lib.h b/MdeModulePkg/Library/GenericBdsLib/R8Lib.h deleted file mode 100644 index f62de991b4..0000000000 --- a/MdeModulePkg/Library/GenericBdsLib/R8Lib.h +++ /dev/null @@ -1,59 +0,0 @@ -/**@file - Copyright (c) 2007, 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. - - -**/ - - - -/** - Get current boot mode. - - @param HobStart Start pointer of hob list - @param BootMode Current boot mode recorded in PHIT hob - - @retval EFI_NOT_FOUND Invalid hob header - @retval EFI_SUCCESS Boot mode found - -**/ -EFI_STATUS -R8_GetHobBootMode ( - IN VOID *HobStart, - OUT EFI_BOOT_MODE *BootMode - ) -; - - - - -/** - Get the next guid hob. - - @param HobStart A pointer to the start hob. - @param Guid A pointer to a guid. - @param Buffer A pointer to the buffer. - @param BufferSize Buffer size. - - @retval EFI_NOT_FOUND Next Guid hob not found - @retval EFI_SUCCESS Next Guid hob found and data for this Guid got - @retval EFI_INVALID_PARAMETER invalid parameter - -**/ -EFI_STATUS -R8_GetNextGuidHob ( - IN OUT VOID **HobStart, - IN EFI_GUID * Guid, - OUT VOID **Buffer, - OUT UINTN *BufferSize OPTIONAL - ) -; - - diff --git a/MdeModulePkg/Library/GenericBdsLib/x64/BmMachine.h b/MdeModulePkg/Library/GenericBdsLib/x64/BmMachine.h index a646371e59..530976c141 100644 --- a/MdeModulePkg/Library/GenericBdsLib/x64/BmMachine.h +++ b/MdeModulePkg/Library/GenericBdsLib/x64/BmMachine.h @@ -1,34 +1,22 @@ -/** @file - -Copyright (c) 2005 - 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: - - BmMachine.h - -Abstract: - - Boot Manager Machine type - - - -Revision History - - -**/ - -#ifndef _BM_MACHINE_H -#define _BM_MACHINE_H - -//@MT:#include "CpuIA32.h" - -#define DEFAULT_REMOVABLE_FILE_NAME L"\\EFI\\BOOT\\BOOTX64.EFI" - -#endif +/** @file
+ Boot Manager Machine type
+
+Copyright (c) 2005 - 2008, Intel Corporation. <BR>
+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.
+
+**/
+
+#ifndef _BM_MACHINE_H
+#define _BM_MACHINE_H
+
+//@MT:#include "CpuIA32.h"
+
+#define DEFAULT_REMOVABLE_FILE_NAME L"\\EFI\\BOOT\\BOOTX64.EFI"
+
+#endif
diff --git a/MdeModulePkg/Library/GenericBdsLib/x64/ClearDr.asm b/MdeModulePkg/Library/GenericBdsLib/x64/ClearDr.asm deleted file mode 100644 index 83d198df1f..0000000000 --- a/MdeModulePkg/Library/GenericBdsLib/x64/ClearDr.asm +++ /dev/null @@ -1,41 +0,0 @@ - title ClearDr.asm -;------------------------------------------------------------------------------ -; -; Copyright (c) 2005, 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: -; -; ClearDr.asm -; -; Abstract: -; -; Clear dr0 dr1 register -; -;------------------------------------------------------------------------------ - -text SEGMENT - -;------------------------------------------------------------------------------ -; VOID -; ClearDebugRegisters ( -; VOID -; ) -;------------------------------------------------------------------------------ -ClearDebugRegisters PROC PUBLIC - push rax - xor rax, rax - mov dr0, rax - mov dr1, rax - pop rax - ret -ClearDebugRegisters ENDP - -END - |