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

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
-