Renormalized end-of-lines from master@27b044605cd5f6b33a3d231576003850b3fe305btrunk

1 files changed, 1017 insertions, 1017 deletions

diff --git a/MdeModulePkg/Library/BootMaintenanceManagerUiLib/BootOption.c b/MdeModulePkg/Library/BootMaintenanceManagerUiLib/BootOption.c
index e22aaf3039..6f3c4bde04 100644
--- a/MdeModulePkg/Library/BootMaintenanceManagerUiLib/BootOption.c
+++ b/MdeModulePkg/Library/BootMaintenanceManagerUiLib/BootOption.c
@@ -1,1017 +1,1017 @@
-/** @file

-  Provide boot option support for Application "BootMaint"

-

-  Include file system navigation, system handle selection

-

-  Boot option manipulation

-

-Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>

-SPDX-License-Identifier: BSD-2-Clause-Patent

-

-**/

-

-#include "BootMaintenanceManager.h"

-

-///

-/// Define the maximum characters that will be accepted.

-///

-#define MAX_CHAR  480

-

-/**

-

-  Check whether a reset is needed, if reset is needed, Popup a menu to notice user.

-

-**/

-VOID

-BmmSetupResetReminder (

-  VOID

-  )

-{

-  EFI_INPUT_KEY                           Key;

-  CHAR16                                  *StringBuffer1;

-  CHAR16                                  *StringBuffer2;

-  EFI_STATUS                              Status;

-  EDKII_FORM_BROWSER_EXTENSION2_PROTOCOL  *FormBrowserEx2;

-

-  //

-  // Use BrowserEx2 protocol to check whether reset is required.

-  //

-  Status = gBS->LocateProtocol (&gEdkiiFormBrowserEx2ProtocolGuid, NULL, (VOID **)&FormBrowserEx2);

-

-  //

-  // check any reset required change is applied? if yes, reset system

-  //

-  if (!EFI_ERROR (Status) && FormBrowserEx2->IsResetRequired ()) {

-    StringBuffer1 = AllocateZeroPool (MAX_CHAR * sizeof (CHAR16));

-    ASSERT (StringBuffer1 != NULL);

-    StringBuffer2 = AllocateZeroPool (MAX_CHAR * sizeof (CHAR16));

-    ASSERT (StringBuffer2 != NULL);

-    StrCpyS (StringBuffer1, MAX_CHAR, L"Configuration changed. Reset to apply it Now.");

-    StrCpyS (StringBuffer2, MAX_CHAR, L"Press ENTER to reset");

-    //

-    // Popup a menu to notice user

-    //

-    do {

-      CreatePopUp (EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE, &Key, StringBuffer1, StringBuffer2, NULL);

-    } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);

-

-    FreePool (StringBuffer1);

-    FreePool (StringBuffer2);

-

-    gRT->ResetSystem (EfiResetCold, EFI_SUCCESS, 0, NULL);

-  }

-}

-

-/**

-  Create a menu entry by given menu type.

-

-  @param MenuType        The Menu type to be created.

-

-  @retval NULL           If failed to create the menu.

-  @return the new menu entry.

-

-**/

-BM_MENU_ENTRY *

-BOpt_CreateMenuEntry (

-  UINTN  MenuType

-  )

-{

-  BM_MENU_ENTRY  *MenuEntry;

-  UINTN          ContextSize;

-

-  //

-  // Get context size according to menu type

-  //

-  switch (MenuType) {

-    case BM_LOAD_CONTEXT_SELECT:

-      ContextSize = sizeof (BM_LOAD_CONTEXT);

-      break;

-

-    case BM_FILE_CONTEXT_SELECT:

-      ContextSize = sizeof (BM_FILE_CONTEXT);

-      break;

-

-    case BM_CONSOLE_CONTEXT_SELECT:

-      ContextSize = sizeof (BM_CONSOLE_CONTEXT);

-      break;

-

-    case BM_TERMINAL_CONTEXT_SELECT:

-      ContextSize = sizeof (BM_TERMINAL_CONTEXT);

-      break;

-

-    case BM_HANDLE_CONTEXT_SELECT:

-      ContextSize = sizeof (BM_HANDLE_CONTEXT);

-      break;

-

-    default:

-      ContextSize = 0;

-      break;

-  }

-

-  if (ContextSize == 0) {

-    return NULL;

-  }

-

-  //

-  // Create new menu entry

-  //

-  MenuEntry = AllocateZeroPool (sizeof (BM_MENU_ENTRY));

-  if (MenuEntry == NULL) {

-    return NULL;

-  }

-

-  MenuEntry->VariableContext = AllocateZeroPool (ContextSize);

-  if (MenuEntry->VariableContext == NULL) {

-    FreePool (MenuEntry);

-    return NULL;

-  }

-

-  MenuEntry->Signature        = BM_MENU_ENTRY_SIGNATURE;

-  MenuEntry->ContextSelection = MenuType;

-  return MenuEntry;

-}

-

-/**

-  Free up all resource allocated for a BM_MENU_ENTRY.

-

-  @param MenuEntry   A pointer to BM_MENU_ENTRY.

-

-**/

-VOID

-BOpt_DestroyMenuEntry (

-  BM_MENU_ENTRY  *MenuEntry

-  )

-{

-  BM_LOAD_CONTEXT      *LoadContext;

-  BM_FILE_CONTEXT      *FileContext;

-  BM_CONSOLE_CONTEXT   *ConsoleContext;

-  BM_TERMINAL_CONTEXT  *TerminalContext;

-  BM_HANDLE_CONTEXT    *HandleContext;

-

-  //

-  //  Select by the type in Menu entry for current context type

-  //

-  switch (MenuEntry->ContextSelection) {

-    case BM_LOAD_CONTEXT_SELECT:

-      LoadContext = (BM_LOAD_CONTEXT *)MenuEntry->VariableContext;

-      FreePool (LoadContext->FilePathList);

-      if (LoadContext->OptionalData != NULL) {

-        FreePool (LoadContext->OptionalData);

-      }

-

-      FreePool (LoadContext);

-      break;

-

-    case BM_FILE_CONTEXT_SELECT:

-      FileContext = (BM_FILE_CONTEXT *)MenuEntry->VariableContext;

-

-      if (!FileContext->IsRoot) {

-        FreePool (FileContext->DevicePath);

-      } else {

-        if (FileContext->FHandle != NULL) {

-          FileContext->FHandle->Close (FileContext->FHandle);

-        }

-      }

-

-      if (FileContext->FileName != NULL) {

-        FreePool (FileContext->FileName);

-      }

-

-      if (FileContext->Info != NULL) {

-        FreePool (FileContext->Info);

-      }

-

-      FreePool (FileContext);

-      break;

-

-    case BM_CONSOLE_CONTEXT_SELECT:

-      ConsoleContext = (BM_CONSOLE_CONTEXT *)MenuEntry->VariableContext;

-      FreePool (ConsoleContext->DevicePath);

-      FreePool (ConsoleContext);

-      break;

-

-    case BM_TERMINAL_CONTEXT_SELECT:

-      TerminalContext = (BM_TERMINAL_CONTEXT *)MenuEntry->VariableContext;

-      FreePool (TerminalContext->DevicePath);

-      FreePool (TerminalContext);

-      break;

-

-    case BM_HANDLE_CONTEXT_SELECT:

-      HandleContext = (BM_HANDLE_CONTEXT *)MenuEntry->VariableContext;

-      FreePool (HandleContext);

-      break;

-

-    default:

-      break;

-  }

-

-  FreePool (MenuEntry->DisplayString);

-  if (MenuEntry->HelpString != NULL) {

-    FreePool (MenuEntry->HelpString);

-  }

-

-  FreePool (MenuEntry);

-}

-

-/**

-  Get the Menu Entry from the list in Menu Entry List.

-

-  If MenuNumber is great or equal to the number of Menu

-  Entry in the list, then ASSERT.

-

-  @param MenuOption      The Menu Entry List to read the menu entry.

-  @param MenuNumber      The index of Menu Entry.

-

-  @return The Menu Entry.

-

-**/

-BM_MENU_ENTRY *

-BOpt_GetMenuEntry (

-  BM_MENU_OPTION  *MenuOption,

-  UINTN           MenuNumber

-  )

-{

-  BM_MENU_ENTRY  *NewMenuEntry;

-  UINTN          Index;

-  LIST_ENTRY     *List;

-

-  ASSERT (MenuNumber < MenuOption->MenuNumber);

-

-  List = MenuOption->Head.ForwardLink;

-  for (Index = 0; Index < MenuNumber; Index++) {

-    List = List->ForwardLink;

-  }

-

-  NewMenuEntry = CR (List, BM_MENU_ENTRY, Link, BM_MENU_ENTRY_SIGNATURE);

-

-  return NewMenuEntry;

-}

-

-/**

-  Free resources allocated in Allocate Rountine.

-

-  @param FreeMenu        Menu to be freed

-**/

-VOID

-BOpt_FreeMenu (

-  BM_MENU_OPTION  *FreeMenu

-  )

-{

-  BM_MENU_ENTRY  *MenuEntry;

-

-  while (!IsListEmpty (&FreeMenu->Head)) {

-    MenuEntry = CR (

-                  FreeMenu->Head.ForwardLink,

-                  BM_MENU_ENTRY,

-                  Link,

-                  BM_MENU_ENTRY_SIGNATURE

-                  );

-    RemoveEntryList (&MenuEntry->Link);

-    BOpt_DestroyMenuEntry (MenuEntry);

-  }

-

-  FreeMenu->MenuNumber = 0;

-}

-

-/**

-

-  Build the BootOptionMenu according to BootOrder Variable.

-  This Routine will access the Boot#### to get EFI_LOAD_OPTION.

-

-  @param CallbackData The BMM context data.

-

-  @return EFI_NOT_FOUND Fail to find "BootOrder" variable.

-  @return EFI_SUCESS    Success build boot option menu.

-

-**/

-EFI_STATUS

-BOpt_GetBootOptions (

-  IN  BMM_CALLBACK_DATA  *CallbackData

-  )

-{

-  UINTN                         Index;

-  UINT16                        BootString[10];

-  UINT8                         *LoadOptionFromVar;

-  UINTN                         BootOptionSize;

-  BOOLEAN                       BootNextFlag;

-  UINT16                        *BootOrderList;

-  UINTN                         BootOrderListSize;

-  UINT16                        *BootNext;

-  UINTN                         BootNextSize;

-  BM_MENU_ENTRY                 *NewMenuEntry;

-  BM_LOAD_CONTEXT               *NewLoadContext;

-  UINT8                         *LoadOptionPtr;

-  UINTN                         StringSize;

-  UINTN                         OptionalDataSize;

-  UINT8                         *LoadOptionEnd;

-  EFI_DEVICE_PATH_PROTOCOL      *DevicePath;

-  UINTN                         MenuCount;

-  UINT8                         *Ptr;

-  EFI_BOOT_MANAGER_LOAD_OPTION  *BootOption;

-  UINTN                         BootOptionCount;

-

-  MenuCount         = 0;

-  BootOrderListSize = 0;

-  BootNextSize      = 0;

-  BootOrderList     = NULL;

-  BootNext          = NULL;

-  LoadOptionFromVar = NULL;

-  BOpt_FreeMenu (&BootOptionMenu);

-  InitializeListHead (&BootOptionMenu.Head);

-

-  //

-  // Get the BootOrder from the Var

-  //

-  GetEfiGlobalVariable2 (L"BootOrder", (VOID **)&BootOrderList, &BootOrderListSize);

-  if (BootOrderList == NULL) {

-    return EFI_NOT_FOUND;

-  }

-

-  //

-  // Get the BootNext from the Var

-  //

-  GetEfiGlobalVariable2 (L"BootNext", (VOID **)&BootNext, &BootNextSize);

-  if (BootNext != NULL) {

-    if (BootNextSize != sizeof (UINT16)) {

-      FreePool (BootNext);

-      BootNext = NULL;

-    }

-  }

-

-  BootOption = EfiBootManagerGetLoadOptions (&BootOptionCount, LoadOptionTypeBoot);

-  for (Index = 0; Index < BootOrderListSize / sizeof (UINT16); Index++) {

-    //

-    // Don't display the hidden/inactive boot option

-    //

-    if (((BootOption[Index].Attributes & LOAD_OPTION_HIDDEN) != 0) || ((BootOption[Index].Attributes & LOAD_OPTION_ACTIVE) == 0)) {

-      continue;

-    }

-

-    UnicodeSPrint (BootString, sizeof (BootString), L"Boot%04x", BootOrderList[Index]);

-    //

-    //  Get all loadoptions from the VAR

-    //

-    GetEfiGlobalVariable2 (BootString, (VOID **)&LoadOptionFromVar, &BootOptionSize);

-    if (LoadOptionFromVar == NULL) {

-      continue;

-    }

-

-    if (BootNext != NULL) {

-      BootNextFlag = (BOOLEAN)(*BootNext == BootOrderList[Index]);

-    } else {

-      BootNextFlag = FALSE;

-    }

-

-    NewMenuEntry = BOpt_CreateMenuEntry (BM_LOAD_CONTEXT_SELECT);

-    ASSERT (NULL != NewMenuEntry);

-

-    NewLoadContext = (BM_LOAD_CONTEXT *)NewMenuEntry->VariableContext;

-

-    LoadOptionPtr = LoadOptionFromVar;

-    LoadOptionEnd = LoadOptionFromVar + BootOptionSize;

-

-    NewMenuEntry->OptionNumber = BootOrderList[Index];

-    NewLoadContext->Deleted    = FALSE;

-    NewLoadContext->IsBootNext = BootNextFlag;

-

-    //

-    // Is a Legacy Device?

-    //

-    Ptr = (UINT8 *)LoadOptionFromVar;

-

-    //

-    // Attribute = *(UINT32 *)Ptr;

-    //

-    Ptr += sizeof (UINT32);

-

-    //

-    // FilePathSize = *(UINT16 *)Ptr;

-    //

-    Ptr += sizeof (UINT16);

-

-    //

-    // Description = (CHAR16 *)Ptr;

-    //

-    Ptr += StrSize ((CHAR16 *)Ptr);

-

-    //

-    // Now Ptr point to Device Path

-    //

-    DevicePath = (EFI_DEVICE_PATH_PROTOCOL *)Ptr;

-    if ((BBS_DEVICE_PATH == DevicePath->Type) && (BBS_BBS_DP == DevicePath->SubType)) {

-      NewLoadContext->IsLegacy = TRUE;

-    } else {

-      NewLoadContext->IsLegacy = FALSE;

-    }

-

-    //

-    // LoadOption is a pointer type of UINT8

-    // for easy use with following LOAD_OPTION

-    // embedded in this struct

-    //

-

-    NewLoadContext->Attributes = *(UINT32 *)LoadOptionPtr;

-

-    LoadOptionPtr += sizeof (UINT32);

-

-    NewLoadContext->FilePathListLength = *(UINT16 *)LoadOptionPtr;

-    LoadOptionPtr                     += sizeof (UINT16);

-

-    StringSize = StrSize ((UINT16 *)LoadOptionPtr);

-

-    NewLoadContext->Description = AllocateZeroPool (StrSize ((UINT16 *)LoadOptionPtr));

-    ASSERT (NewLoadContext->Description != NULL);

-    StrCpyS (NewLoadContext->Description, StrSize ((UINT16 *)LoadOptionPtr) / sizeof (UINT16), (UINT16 *)LoadOptionPtr);

-

-    ASSERT (NewLoadContext->Description != NULL);

-    NewMenuEntry->DisplayString      = NewLoadContext->Description;

-    NewMenuEntry->DisplayStringToken = HiiSetString (CallbackData->BmmHiiHandle, 0, NewMenuEntry->DisplayString, NULL);

-

-    LoadOptionPtr += StringSize;

-

-    NewLoadContext->FilePathList = AllocateZeroPool (NewLoadContext->FilePathListLength);

-    ASSERT (NewLoadContext->FilePathList != NULL);

-    CopyMem (

-      NewLoadContext->FilePathList,

-      (EFI_DEVICE_PATH_PROTOCOL *)LoadOptionPtr,

-      NewLoadContext->FilePathListLength

-      );

-

-    NewMenuEntry->HelpString      = UiDevicePathToStr (NewLoadContext->FilePathList);

-    NewMenuEntry->HelpStringToken = HiiSetString (CallbackData->BmmHiiHandle, 0, NewMenuEntry->HelpString, NULL);

-

-    LoadOptionPtr += NewLoadContext->FilePathListLength;

-

-    if (LoadOptionPtr < LoadOptionEnd) {

-      OptionalDataSize = BootOptionSize -

-                         sizeof (UINT32) -

-                         sizeof (UINT16) -

-                         StringSize -

-                         NewLoadContext->FilePathListLength;

-

-      NewLoadContext->OptionalData = AllocateZeroPool (OptionalDataSize);

-      ASSERT (NewLoadContext->OptionalData != NULL);

-      CopyMem (

-        NewLoadContext->OptionalData,

-        LoadOptionPtr,

-        OptionalDataSize

-        );

-    }

-

-    InsertTailList (&BootOptionMenu.Head, &NewMenuEntry->Link);

-    MenuCount++;

-    FreePool (LoadOptionFromVar);

-  }

-

-  EfiBootManagerFreeLoadOptions (BootOption, BootOptionCount);

-

-  if (BootNext != NULL) {

-    FreePool (BootNext);

-  }

-

-  if (BootOrderList != NULL) {

-    FreePool (BootOrderList);

-  }

-

-  BootOptionMenu.MenuNumber = MenuCount;

-  return EFI_SUCCESS;

-}

-

-/**

-

-  Find drivers that will be added as Driver#### variables from handles

-  in current system environment

-  All valid handles in the system except those consume SimpleFs, LoadFile

-  are stored in DriverMenu for future use.

-

-  @retval EFI_SUCCESS The function complets successfully.

-  @return Other value if failed to build the DriverMenu.

-

-**/

-EFI_STATUS

-BOpt_FindDrivers (

-  VOID

-  )

-{

-  UINTN                            NoDevicePathHandles;

-  EFI_HANDLE                       *DevicePathHandle;

-  UINTN                            Index;

-  EFI_STATUS                       Status;

-  BM_MENU_ENTRY                    *NewMenuEntry;

-  BM_HANDLE_CONTEXT                *NewHandleContext;

-  EFI_HANDLE                       CurHandle;

-  UINTN                            OptionNumber;

-  EFI_SIMPLE_FILE_SYSTEM_PROTOCOL  *SimpleFs;

-  EFI_LOAD_FILE_PROTOCOL           *LoadFile;

-

-  SimpleFs = NULL;

-  LoadFile = NULL;

-

-  InitializeListHead (&DriverMenu.Head);

-

-  //

-  // At first, get all handles that support Device Path

-  // protocol which is the basic requirement for

-  // Driver####

-  //

-  Status = gBS->LocateHandleBuffer (

-                  ByProtocol,

-                  &gEfiDevicePathProtocolGuid,

-                  NULL,

-                  &NoDevicePathHandles,

-                  &DevicePathHandle

-                  );

-  if (EFI_ERROR (Status)) {

-    return Status;

-  }

-

-  OptionNumber = 0;

-  for (Index = 0; Index < NoDevicePathHandles; Index++) {

-    CurHandle = DevicePathHandle[Index];

-

-    Status = gBS->HandleProtocol (

-                    CurHandle,

-                    &gEfiSimpleFileSystemProtocolGuid,

-                    (VOID **)&SimpleFs

-                    );

-    if (Status == EFI_SUCCESS) {

-      continue;

-    }

-

-    Status = gBS->HandleProtocol (

-                    CurHandle,

-                    &gEfiLoadFileProtocolGuid,

-                    (VOID **)&LoadFile

-                    );

-    if (Status == EFI_SUCCESS) {

-      continue;

-    }

-

-    NewMenuEntry = BOpt_CreateMenuEntry (BM_HANDLE_CONTEXT_SELECT);

-    if (NULL == NewMenuEntry) {

-      FreePool (DevicePathHandle);

-      return EFI_OUT_OF_RESOURCES;

-    }

-

-    NewHandleContext                 = (BM_HANDLE_CONTEXT *)NewMenuEntry->VariableContext;

-    NewHandleContext->Handle         = CurHandle;

-    NewHandleContext->DevicePath     = DevicePathFromHandle (CurHandle);

-    NewMenuEntry->DisplayString      = UiDevicePathToStr (NewHandleContext->DevicePath);

-    NewMenuEntry->DisplayStringToken = HiiSetString (mBmmCallbackInfo->BmmHiiHandle, 0, NewMenuEntry->DisplayString, NULL);

-    NewMenuEntry->HelpString         = NULL;

-    NewMenuEntry->HelpStringToken    = NewMenuEntry->DisplayStringToken;

-    NewMenuEntry->OptionNumber       = OptionNumber;

-    OptionNumber++;

-    InsertTailList (&DriverMenu.Head, &NewMenuEntry->Link);

-  }

-

-  if (DevicePathHandle != NULL) {

-    FreePool (DevicePathHandle);

-  }

-

-  DriverMenu.MenuNumber = OptionNumber;

-  return EFI_SUCCESS;

-}

-

-/**

-

-  Get the Option Number that has not been allocated for use.

-

-  @param Type  The type of Option.

-

-  @return The available Option Number.

-

-**/

-UINT16

-BOpt_GetOptionNumber (

-  CHAR16  *Type

-  )

-{

-  UINT16  *OrderList;

-  UINTN   OrderListSize;

-  UINTN   Index;

-  CHAR16  StrTemp[20];

-  UINT16  *OptionBuffer;

-  UINT16  OptionNumber;

-  UINTN   OptionSize;

-

-  OrderListSize = 0;

-  OrderList     = NULL;

-  OptionNumber  = 0;

-  Index         = 0;

-

-  UnicodeSPrint (StrTemp, sizeof (StrTemp), L"%sOrder", Type);

-

-  GetEfiGlobalVariable2 (StrTemp, (VOID **)&OrderList, &OrderListSize);

-  for (OptionNumber = 0; ; OptionNumber++) {

-    if (OrderList != NULL) {

-      for (Index = 0; Index < OrderListSize / sizeof (UINT16); Index++) {

-        if (OptionNumber == OrderList[Index]) {

-          break;

-        }

-      }

-    }

-

-    if (Index < OrderListSize / sizeof (UINT16)) {

-      //

-      // The OptionNumber occurs in the OrderList, continue to use next one

-      //

-      continue;

-    }

-

-    UnicodeSPrint (StrTemp, sizeof (StrTemp), L"%s%04x", Type, (UINTN)OptionNumber);

-    DEBUG ((DEBUG_ERROR, "Option = %s\n", StrTemp));

-    GetEfiGlobalVariable2 (StrTemp, (VOID **)&OptionBuffer, &OptionSize);

-    if (NULL == OptionBuffer) {

-      //

-      // The Boot[OptionNumber] / Driver[OptionNumber] NOT occurs, we found it

-      //

-      break;

-    }

-  }

-

-  return OptionNumber;

-}

-

-/**

-

-  Get the Option Number for Boot#### that does not used.

-

-  @return The available Option Number.

-

-**/

-UINT16

-BOpt_GetBootOptionNumber (

-  VOID

-  )

-{

-  return BOpt_GetOptionNumber (L"Boot");

-}

-

-/**

-

-  Get the Option Number for Driver#### that does not used.

-

-  @return The unused Option Number.

-

-**/

-UINT16

-BOpt_GetDriverOptionNumber (

-  VOID

-  )

-{

-  return BOpt_GetOptionNumber (L"Driver");

-}

-

-/**

-

-  Build up all DriverOptionMenu

-

-  @param CallbackData The BMM context data.

-

-  @retval EFI_SUCESS           The functin completes successfully.

-  @retval EFI_OUT_OF_RESOURCES Not enough memory to compete the operation.

-  @retval EFI_NOT_FOUND        Fail to get "DriverOrder" variable.

-

-**/

-EFI_STATUS

-BOpt_GetDriverOptions (

-  IN  BMM_CALLBACK_DATA  *CallbackData

-  )

-{

-  UINTN   Index;

-  UINT16  DriverString[12];

-  UINT8   *LoadOptionFromVar;

-  UINTN   DriverOptionSize;

-

-  UINT16           *DriverOrderList;

-  UINTN            DriverOrderListSize;

-  BM_MENU_ENTRY    *NewMenuEntry;

-  BM_LOAD_CONTEXT  *NewLoadContext;

-  UINT8            *LoadOptionPtr;

-  UINTN            StringSize;

-  UINTN            OptionalDataSize;

-  UINT8            *LoadOptionEnd;

-

-  DriverOrderListSize = 0;

-  DriverOrderList     = NULL;

-  DriverOptionSize    = 0;

-  LoadOptionFromVar   = NULL;

-  BOpt_FreeMenu (&DriverOptionMenu);

-  InitializeListHead (&DriverOptionMenu.Head);

-  //

-  // Get the DriverOrder from the Var

-  //

-  GetEfiGlobalVariable2 (L"DriverOrder", (VOID **)&DriverOrderList, &DriverOrderListSize);

-  if (DriverOrderList == NULL) {

-    return EFI_NOT_FOUND;

-  }

-

-  for (Index = 0; Index < DriverOrderListSize / sizeof (UINT16); Index++) {

-    UnicodeSPrint (

-      DriverString,

-      sizeof (DriverString),

-      L"Driver%04x",

-      DriverOrderList[Index]

-      );

-    //

-    //  Get all loadoptions from the VAR

-    //

-    GetEfiGlobalVariable2 (DriverString, (VOID **)&LoadOptionFromVar, &DriverOptionSize);

-    if (LoadOptionFromVar == NULL) {

-      continue;

-    }

-

-    NewMenuEntry = BOpt_CreateMenuEntry (BM_LOAD_CONTEXT_SELECT);

-    if (NULL == NewMenuEntry) {

-      return EFI_OUT_OF_RESOURCES;

-    }

-

-    NewLoadContext             = (BM_LOAD_CONTEXT *)NewMenuEntry->VariableContext;

-    LoadOptionPtr              = LoadOptionFromVar;

-    LoadOptionEnd              = LoadOptionFromVar + DriverOptionSize;

-    NewMenuEntry->OptionNumber = DriverOrderList[Index];

-    NewLoadContext->Deleted    = FALSE;

-    NewLoadContext->IsLegacy   = FALSE;

-

-    //

-    // LoadOption is a pointer type of UINT8

-    // for easy use with following LOAD_OPTION

-    // embedded in this struct

-    //

-

-    NewLoadContext->Attributes = *(UINT32 *)LoadOptionPtr;

-

-    LoadOptionPtr += sizeof (UINT32);

-

-    NewLoadContext->FilePathListLength = *(UINT16 *)LoadOptionPtr;

-    LoadOptionPtr                     += sizeof (UINT16);

-

-    StringSize                  = StrSize ((UINT16 *)LoadOptionPtr);

-    NewLoadContext->Description = AllocateZeroPool (StringSize);

-    ASSERT (NewLoadContext->Description != NULL);

-    CopyMem (

-      NewLoadContext->Description,

-      (UINT16 *)LoadOptionPtr,

-      StringSize

-      );

-    NewMenuEntry->DisplayString      = NewLoadContext->Description;

-    NewMenuEntry->DisplayStringToken = HiiSetString (CallbackData->BmmHiiHandle, 0, NewMenuEntry->DisplayString, NULL);

-

-    LoadOptionPtr += StringSize;

-

-    NewLoadContext->FilePathList = AllocateZeroPool (NewLoadContext->FilePathListLength);

-    ASSERT (NewLoadContext->FilePathList != NULL);

-    CopyMem (

-      NewLoadContext->FilePathList,

-      (EFI_DEVICE_PATH_PROTOCOL *)LoadOptionPtr,

-      NewLoadContext->FilePathListLength

-      );

-

-    NewMenuEntry->HelpString      = UiDevicePathToStr (NewLoadContext->FilePathList);

-    NewMenuEntry->HelpStringToken = HiiSetString (CallbackData->BmmHiiHandle, 0, NewMenuEntry->HelpString, NULL);

-

-    LoadOptionPtr += NewLoadContext->FilePathListLength;

-

-    if (LoadOptionPtr < LoadOptionEnd) {

-      OptionalDataSize = DriverOptionSize -

-                         sizeof (UINT32) -

-                         sizeof (UINT16) -

-                         StringSize -

-                         NewLoadContext->FilePathListLength;

-

-      NewLoadContext->OptionalData = AllocateZeroPool (OptionalDataSize);

-      ASSERT (NewLoadContext->OptionalData != NULL);

-      CopyMem (

-        NewLoadContext->OptionalData,

-        LoadOptionPtr,

-        OptionalDataSize

-        );

-    }

-

-    InsertTailList (&DriverOptionMenu.Head, &NewMenuEntry->Link);

-    FreePool (LoadOptionFromVar);

-  }

-

-  if (DriverOrderList != NULL) {

-    FreePool (DriverOrderList);

-  }

-

-  DriverOptionMenu.MenuNumber = Index;

-  return EFI_SUCCESS;

-}

-

-/**

-  Get option number according to Boot#### and BootOrder variable.

-  The value is saved as #### + 1.

-

-  @param CallbackData    The BMM context data.

-**/

-VOID

-GetBootOrder (

-  IN  BMM_CALLBACK_DATA  *CallbackData

-  )

-{

-  BMM_FAKE_NV_DATA  *BmmConfig;

-  UINT16            Index;

-  UINT16            OptionOrderIndex;

-  UINTN             DeviceType;

-  BM_MENU_ENTRY     *NewMenuEntry;

-  BM_LOAD_CONTEXT   *NewLoadContext;

-

-  ASSERT (CallbackData != NULL);

-

-  DeviceType = (UINTN)-1;

-  BmmConfig  = &CallbackData->BmmFakeNvData;

-  ZeroMem (BmmConfig->BootOptionOrder, sizeof (BmmConfig->BootOptionOrder));

-

-  for (Index = 0, OptionOrderIndex = 0; ((Index < BootOptionMenu.MenuNumber) &&

-                                         (OptionOrderIndex < (sizeof (BmmConfig->BootOptionOrder) / sizeof (BmmConfig->BootOptionOrder[0]))));

-       Index++)

-  {

-    NewMenuEntry   = BOpt_GetMenuEntry (&BootOptionMenu, Index);

-    NewLoadContext = (BM_LOAD_CONTEXT *)NewMenuEntry->VariableContext;

-

-    if (NewLoadContext->IsLegacy) {

-      if (((BBS_BBS_DEVICE_PATH *)NewLoadContext->FilePathList)->DeviceType != DeviceType) {

-        DeviceType = ((BBS_BBS_DEVICE_PATH *)NewLoadContext->FilePathList)->DeviceType;

-      } else {

-        //

-        // Only show one legacy boot option for the same device type

-        // assuming the boot options are grouped by the device type

-        //

-        continue;

-      }

-    }

-

-    BmmConfig->BootOptionOrder[OptionOrderIndex++] = (UINT32)(NewMenuEntry->OptionNumber + 1);

-  }

-}

-

-/**

-  Get driver option order from globalc DriverOptionMenu.

-

-  @param CallbackData    The BMM context data.

-

-**/

-VOID

-GetDriverOrder (

-  IN  BMM_CALLBACK_DATA  *CallbackData

-  )

-{

-  BMM_FAKE_NV_DATA  *BmmConfig;

-  UINT16            Index;

-  UINT16            OptionOrderIndex;

-  UINTN             DeviceType;

-  BM_MENU_ENTRY     *NewMenuEntry;

-  BM_LOAD_CONTEXT   *NewLoadContext;

-

-  ASSERT (CallbackData != NULL);

-

-  DeviceType = (UINTN)-1;

-  BmmConfig  = &CallbackData->BmmFakeNvData;

-  ZeroMem (BmmConfig->DriverOptionOrder, sizeof (BmmConfig->DriverOptionOrder));

-

-  for (Index = 0, OptionOrderIndex = 0; ((Index < DriverOptionMenu.MenuNumber) &&

-                                         (OptionOrderIndex < (sizeof (BmmConfig->DriverOptionOrder) / sizeof (BmmConfig->DriverOptionOrder[0]))));

-       Index++)

-  {

-    NewMenuEntry   = BOpt_GetMenuEntry (&DriverOptionMenu, Index);

-    NewLoadContext = (BM_LOAD_CONTEXT *)NewMenuEntry->VariableContext;

-

-    if (NewLoadContext->IsLegacy) {

-      if (((BBS_BBS_DEVICE_PATH *)NewLoadContext->FilePathList)->DeviceType != DeviceType) {

-        DeviceType = ((BBS_BBS_DEVICE_PATH *)NewLoadContext->FilePathList)->DeviceType;

-      } else {

-        //

-        // Only show one legacy boot option for the same device type

-        // assuming the boot options are grouped by the device type

-        //

-        continue;

-      }

-    }

-

-    BmmConfig->DriverOptionOrder[OptionOrderIndex++] = (UINT32)(NewMenuEntry->OptionNumber + 1);

-  }

-}

-

-/**

-  Boot the file specified by the input file path info.

-

-  @param FilePath    Point to the file path.

-

-  @retval TRUE   Exit caller function.

-  @retval FALSE  Not exit caller function.

-**/

-BOOLEAN

-EFIAPI

-BootFromFile (

-  IN EFI_DEVICE_PATH_PROTOCOL  *FilePath

-  )

-{

-  EFI_STATUS                    Status;

-  EFI_BOOT_MANAGER_LOAD_OPTION  BootOption;

-  CHAR16                        *FileName;

-

-  Status   = EFI_NOT_STARTED;

-  FileName = NULL;

-

-  FileName = ExtractFileNameFromDevicePath (FilePath);

-  if (FileName != NULL) {

-    Status = EfiBootManagerInitializeLoadOption (

-               &BootOption,

-               0,

-               LoadOptionTypeBoot,

-               LOAD_OPTION_ACTIVE,

-               FileName,

-               FilePath,

-               NULL,

-               0

-               );

-  }

-

-  if (!EFI_ERROR (Status)) {

-    //

-    // Since current no boot from removable media directly is allowed */

-    //

-    gST->ConOut->ClearScreen (gST->ConOut);

-    //

-    // Check whether need to reset system.

-    //

-    BmmSetupResetReminder ();

-

-    BmmSetConsoleMode (FALSE);

-    EfiBootManagerBoot (&BootOption);

-    BmmSetConsoleMode (TRUE);

-

-    FreePool (FileName);

-

-    EfiBootManagerFreeLoadOption (&BootOption);

-  }

-

-  return FALSE;

-}

-

-/**

-  Display the form base on the selected file.

-

-  @param FilePath   Point to the file path.

-  @param FormId     The form need to display.

-

-**/

-BOOLEAN

-ReSendForm (

-  IN  EFI_DEVICE_PATH_PROTOCOL  *FilePath,

-  IN  EFI_FORM_ID               FormId

-  )

-{

-  gBootMaintenancePrivate.LoadContext->FilePathList = FilePath;

-

-  UpdateOptionPage (&gBootMaintenancePrivate, FormId, FilePath);

-

-  gBootMaintenancePrivate.FormBrowser2->SendForm (

-                                          gBootMaintenancePrivate.FormBrowser2,

-                                          &gBootMaintenancePrivate.BmmHiiHandle,

-                                          1,

-                                          &mBootMaintGuid,

-                                          FormId,

-                                          NULL,

-                                          NULL

-                                          );

-  return TRUE;

-}

-

-/**

-  Create boot option base on the input file path info.

-

-  @param FilePath    Point to the file path.

-

-  @retval TRUE   Exit caller function.

-  @retval FALSE  Not exit caller function.

-**/

-BOOLEAN

-EFIAPI

-CreateBootOptionFromFile (

-  IN EFI_DEVICE_PATH_PROTOCOL  *FilePath

-  )

-{

-  return ReSendForm (FilePath, FORM_BOOT_ADD_ID);

-}

-

-/**

-  Create driver option base on the input file path info.

-

-  @param FilePath    Point to the file path.

-

-  @retval TRUE   Exit caller function.

-  @retval FALSE  Not exit caller function.

-

-**/

-BOOLEAN

-EFIAPI

-CreateDriverOptionFromFile (

-  IN EFI_DEVICE_PATH_PROTOCOL  *FilePath

-  )

-{

-  return ReSendForm (FilePath, FORM_DRV_ADD_FILE_ID);

-}

+/** @file
+  Provide boot option support for Application "BootMaint"
+
+  Include file system navigation, system handle selection
+
+  Boot option manipulation
+
+Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "BootMaintenanceManager.h"
+
+///
+/// Define the maximum characters that will be accepted.
+///
+#define MAX_CHAR  480
+
+/**
+
+  Check whether a reset is needed, if reset is needed, Popup a menu to notice user.
+
+**/
+VOID
+BmmSetupResetReminder (
+  VOID
+  )
+{
+  EFI_INPUT_KEY                           Key;
+  CHAR16                                  *StringBuffer1;
+  CHAR16                                  *StringBuffer2;
+  EFI_STATUS                              Status;
+  EDKII_FORM_BROWSER_EXTENSION2_PROTOCOL  *FormBrowserEx2;
+
+  //
+  // Use BrowserEx2 protocol to check whether reset is required.
+  //
+  Status = gBS->LocateProtocol (&gEdkiiFormBrowserEx2ProtocolGuid, NULL, (VOID **)&FormBrowserEx2);
+
+  //
+  // check any reset required change is applied? if yes, reset system
+  //
+  if (!EFI_ERROR (Status) && FormBrowserEx2->IsResetRequired ()) {
+    StringBuffer1 = AllocateZeroPool (MAX_CHAR * sizeof (CHAR16));
+    ASSERT (StringBuffer1 != NULL);
+    StringBuffer2 = AllocateZeroPool (MAX_CHAR * sizeof (CHAR16));
+    ASSERT (StringBuffer2 != NULL);
+    StrCpyS (StringBuffer1, MAX_CHAR, L"Configuration changed. Reset to apply it Now.");
+    StrCpyS (StringBuffer2, MAX_CHAR, L"Press ENTER to reset");
+    //
+    // Popup a menu to notice user
+    //
+    do {
+      CreatePopUp (EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE, &Key, StringBuffer1, StringBuffer2, NULL);
+    } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);
+
+    FreePool (StringBuffer1);
+    FreePool (StringBuffer2);
+
+    gRT->ResetSystem (EfiResetCold, EFI_SUCCESS, 0, NULL);
+  }
+}
+
+/**
+  Create a menu entry by given menu type.
+
+  @param MenuType        The Menu type to be created.
+
+  @retval NULL           If failed to create the menu.
+  @return the new menu entry.
+
+**/
+BM_MENU_ENTRY *
+BOpt_CreateMenuEntry (
+  UINTN  MenuType
+  )
+{
+  BM_MENU_ENTRY  *MenuEntry;
+  UINTN          ContextSize;
+
+  //
+  // Get context size according to menu type
+  //
+  switch (MenuType) {
+    case BM_LOAD_CONTEXT_SELECT:
+      ContextSize = sizeof (BM_LOAD_CONTEXT);
+      break;
+
+    case BM_FILE_CONTEXT_SELECT:
+      ContextSize = sizeof (BM_FILE_CONTEXT);
+      break;
+
+    case BM_CONSOLE_CONTEXT_SELECT:
+      ContextSize = sizeof (BM_CONSOLE_CONTEXT);
+      break;
+
+    case BM_TERMINAL_CONTEXT_SELECT:
+      ContextSize = sizeof (BM_TERMINAL_CONTEXT);
+      break;
+
+    case BM_HANDLE_CONTEXT_SELECT:
+      ContextSize = sizeof (BM_HANDLE_CONTEXT);
+      break;
+
+    default:
+      ContextSize = 0;
+      break;
+  }
+
+  if (ContextSize == 0) {
+    return NULL;
+  }
+
+  //
+  // Create new menu entry
+  //
+  MenuEntry = AllocateZeroPool (sizeof (BM_MENU_ENTRY));
+  if (MenuEntry == NULL) {
+    return NULL;
+  }
+
+  MenuEntry->VariableContext = AllocateZeroPool (ContextSize);
+  if (MenuEntry->VariableContext == NULL) {
+    FreePool (MenuEntry);
+    return NULL;
+  }
+
+  MenuEntry->Signature        = BM_MENU_ENTRY_SIGNATURE;
+  MenuEntry->ContextSelection = MenuType;
+  return MenuEntry;
+}
+
+/**
+  Free up all resource allocated for a BM_MENU_ENTRY.
+
+  @param MenuEntry   A pointer to BM_MENU_ENTRY.
+
+**/
+VOID
+BOpt_DestroyMenuEntry (
+  BM_MENU_ENTRY  *MenuEntry
+  )
+{
+  BM_LOAD_CONTEXT      *LoadContext;
+  BM_FILE_CONTEXT      *FileContext;
+  BM_CONSOLE_CONTEXT   *ConsoleContext;
+  BM_TERMINAL_CONTEXT  *TerminalContext;
+  BM_HANDLE_CONTEXT    *HandleContext;
+
+  //
+  //  Select by the type in Menu entry for current context type
+  //
+  switch (MenuEntry->ContextSelection) {
+    case BM_LOAD_CONTEXT_SELECT:
+      LoadContext = (BM_LOAD_CONTEXT *)MenuEntry->VariableContext;
+      FreePool (LoadContext->FilePathList);
+      if (LoadContext->OptionalData != NULL) {
+        FreePool (LoadContext->OptionalData);
+      }
+
+      FreePool (LoadContext);
+      break;
+
+    case BM_FILE_CONTEXT_SELECT:
+      FileContext = (BM_FILE_CONTEXT *)MenuEntry->VariableContext;
+
+      if (!FileContext->IsRoot) {
+        FreePool (FileContext->DevicePath);
+      } else {
+        if (FileContext->FHandle != NULL) {
+          FileContext->FHandle->Close (FileContext->FHandle);
+        }
+      }
+
+      if (FileContext->FileName != NULL) {
+        FreePool (FileContext->FileName);
+      }
+
+      if (FileContext->Info != NULL) {
+        FreePool (FileContext->Info);
+      }
+
+      FreePool (FileContext);
+      break;
+
+    case BM_CONSOLE_CONTEXT_SELECT:
+      ConsoleContext = (BM_CONSOLE_CONTEXT *)MenuEntry->VariableContext;
+      FreePool (ConsoleContext->DevicePath);
+      FreePool (ConsoleContext);
+      break;
+
+    case BM_TERMINAL_CONTEXT_SELECT:
+      TerminalContext = (BM_TERMINAL_CONTEXT *)MenuEntry->VariableContext;
+      FreePool (TerminalContext->DevicePath);
+      FreePool (TerminalContext);
+      break;
+
+    case BM_HANDLE_CONTEXT_SELECT:
+      HandleContext = (BM_HANDLE_CONTEXT *)MenuEntry->VariableContext;
+      FreePool (HandleContext);
+      break;
+
+    default:
+      break;
+  }
+
+  FreePool (MenuEntry->DisplayString);
+  if (MenuEntry->HelpString != NULL) {
+    FreePool (MenuEntry->HelpString);
+  }
+
+  FreePool (MenuEntry);
+}
+
+/**
+  Get the Menu Entry from the list in Menu Entry List.
+
+  If MenuNumber is great or equal to the number of Menu
+  Entry in the list, then ASSERT.
+
+  @param MenuOption      The Menu Entry List to read the menu entry.
+  @param MenuNumber      The index of Menu Entry.
+
+  @return The Menu Entry.
+
+**/
+BM_MENU_ENTRY *
+BOpt_GetMenuEntry (
+  BM_MENU_OPTION  *MenuOption,
+  UINTN           MenuNumber
+  )
+{
+  BM_MENU_ENTRY  *NewMenuEntry;
+  UINTN          Index;
+  LIST_ENTRY     *List;
+
+  ASSERT (MenuNumber < MenuOption->MenuNumber);
+
+  List = MenuOption->Head.ForwardLink;
+  for (Index = 0; Index < MenuNumber; Index++) {
+    List = List->ForwardLink;
+  }
+
+  NewMenuEntry = CR (List, BM_MENU_ENTRY, Link, BM_MENU_ENTRY_SIGNATURE);
+
+  return NewMenuEntry;
+}
+
+/**
+  Free resources allocated in Allocate Rountine.
+
+  @param FreeMenu        Menu to be freed
+**/
+VOID
+BOpt_FreeMenu (
+  BM_MENU_OPTION  *FreeMenu
+  )
+{
+  BM_MENU_ENTRY  *MenuEntry;
+
+  while (!IsListEmpty (&FreeMenu->Head)) {
+    MenuEntry = CR (
+                  FreeMenu->Head.ForwardLink,
+                  BM_MENU_ENTRY,
+                  Link,
+                  BM_MENU_ENTRY_SIGNATURE
+                  );
+    RemoveEntryList (&MenuEntry->Link);
+    BOpt_DestroyMenuEntry (MenuEntry);
+  }
+
+  FreeMenu->MenuNumber = 0;
+}
+
+/**
+
+  Build the BootOptionMenu according to BootOrder Variable.
+  This Routine will access the Boot#### to get EFI_LOAD_OPTION.
+
+  @param CallbackData The BMM context data.
+
+  @return EFI_NOT_FOUND Fail to find "BootOrder" variable.
+  @return EFI_SUCESS    Success build boot option menu.
+
+**/
+EFI_STATUS
+BOpt_GetBootOptions (
+  IN  BMM_CALLBACK_DATA  *CallbackData
+  )
+{
+  UINTN                         Index;
+  UINT16                        BootString[10];
+  UINT8                         *LoadOptionFromVar;
+  UINTN                         BootOptionSize;
+  BOOLEAN                       BootNextFlag;
+  UINT16                        *BootOrderList;
+  UINTN                         BootOrderListSize;
+  UINT16                        *BootNext;
+  UINTN                         BootNextSize;
+  BM_MENU_ENTRY                 *NewMenuEntry;
+  BM_LOAD_CONTEXT               *NewLoadContext;
+  UINT8                         *LoadOptionPtr;
+  UINTN                         StringSize;
+  UINTN                         OptionalDataSize;
+  UINT8                         *LoadOptionEnd;
+  EFI_DEVICE_PATH_PROTOCOL      *DevicePath;
+  UINTN                         MenuCount;
+  UINT8                         *Ptr;
+  EFI_BOOT_MANAGER_LOAD_OPTION  *BootOption;
+  UINTN                         BootOptionCount;
+
+  MenuCount         = 0;
+  BootOrderListSize = 0;
+  BootNextSize      = 0;
+  BootOrderList     = NULL;
+  BootNext          = NULL;
+  LoadOptionFromVar = NULL;
+  BOpt_FreeMenu (&BootOptionMenu);
+  InitializeListHead (&BootOptionMenu.Head);
+
+  //
+  // Get the BootOrder from the Var
+  //
+  GetEfiGlobalVariable2 (L"BootOrder", (VOID **)&BootOrderList, &BootOrderListSize);
+  if (BootOrderList == NULL) {
+    return EFI_NOT_FOUND;
+  }
+
+  //
+  // Get the BootNext from the Var
+  //
+  GetEfiGlobalVariable2 (L"BootNext", (VOID **)&BootNext, &BootNextSize);
+  if (BootNext != NULL) {
+    if (BootNextSize != sizeof (UINT16)) {
+      FreePool (BootNext);
+      BootNext = NULL;
+    }
+  }
+
+  BootOption = EfiBootManagerGetLoadOptions (&BootOptionCount, LoadOptionTypeBoot);
+  for (Index = 0; Index < BootOrderListSize / sizeof (UINT16); Index++) {
+    //
+    // Don't display the hidden/inactive boot option
+    //
+    if (((BootOption[Index].Attributes & LOAD_OPTION_HIDDEN) != 0) || ((BootOption[Index].Attributes & LOAD_OPTION_ACTIVE) == 0)) {
+      continue;
+    }
+
+    UnicodeSPrint (BootString, sizeof (BootString), L"Boot%04x", BootOrderList[Index]);
+    //
+    //  Get all loadoptions from the VAR
+    //
+    GetEfiGlobalVariable2 (BootString, (VOID **)&LoadOptionFromVar, &BootOptionSize);
+    if (LoadOptionFromVar == NULL) {
+      continue;
+    }
+
+    if (BootNext != NULL) {
+      BootNextFlag = (BOOLEAN)(*BootNext == BootOrderList[Index]);
+    } else {
+      BootNextFlag = FALSE;
+    }
+
+    NewMenuEntry = BOpt_CreateMenuEntry (BM_LOAD_CONTEXT_SELECT);
+    ASSERT (NULL != NewMenuEntry);
+
+    NewLoadContext = (BM_LOAD_CONTEXT *)NewMenuEntry->VariableContext;
+
+    LoadOptionPtr = LoadOptionFromVar;
+    LoadOptionEnd = LoadOptionFromVar + BootOptionSize;
+
+    NewMenuEntry->OptionNumber = BootOrderList[Index];
+    NewLoadContext->Deleted    = FALSE;
+    NewLoadContext->IsBootNext = BootNextFlag;
+
+    //
+    // Is a Legacy Device?
+    //
+    Ptr = (UINT8 *)LoadOptionFromVar;
+
+    //
+    // Attribute = *(UINT32 *)Ptr;
+    //
+    Ptr += sizeof (UINT32);
+
+    //
+    // FilePathSize = *(UINT16 *)Ptr;
+    //
+    Ptr += sizeof (UINT16);
+
+    //
+    // Description = (CHAR16 *)Ptr;
+    //
+    Ptr += StrSize ((CHAR16 *)Ptr);
+
+    //
+    // Now Ptr point to Device Path
+    //
+    DevicePath = (EFI_DEVICE_PATH_PROTOCOL *)Ptr;
+    if ((BBS_DEVICE_PATH == DevicePath->Type) && (BBS_BBS_DP == DevicePath->SubType)) {
+      NewLoadContext->IsLegacy = TRUE;
+    } else {
+      NewLoadContext->IsLegacy = FALSE;
+    }
+
+    //
+    // LoadOption is a pointer type of UINT8
+    // for easy use with following LOAD_OPTION
+    // embedded in this struct
+    //
+
+    NewLoadContext->Attributes = *(UINT32 *)LoadOptionPtr;
+
+    LoadOptionPtr += sizeof (UINT32);
+
+    NewLoadContext->FilePathListLength = *(UINT16 *)LoadOptionPtr;
+    LoadOptionPtr                     += sizeof (UINT16);
+
+    StringSize = StrSize ((UINT16 *)LoadOptionPtr);
+
+    NewLoadContext->Description = AllocateZeroPool (StrSize ((UINT16 *)LoadOptionPtr));
+    ASSERT (NewLoadContext->Description != NULL);
+    StrCpyS (NewLoadContext->Description, StrSize ((UINT16 *)LoadOptionPtr) / sizeof (UINT16), (UINT16 *)LoadOptionPtr);
+
+    ASSERT (NewLoadContext->Description != NULL);
+    NewMenuEntry->DisplayString      = NewLoadContext->Description;
+    NewMenuEntry->DisplayStringToken = HiiSetString (CallbackData->BmmHiiHandle, 0, NewMenuEntry->DisplayString, NULL);
+
+    LoadOptionPtr += StringSize;
+
+    NewLoadContext->FilePathList = AllocateZeroPool (NewLoadContext->FilePathListLength);
+    ASSERT (NewLoadContext->FilePathList != NULL);
+    CopyMem (
+      NewLoadContext->FilePathList,
+      (EFI_DEVICE_PATH_PROTOCOL *)LoadOptionPtr,
+      NewLoadContext->FilePathListLength
+      );
+
+    NewMenuEntry->HelpString      = UiDevicePathToStr (NewLoadContext->FilePathList);
+    NewMenuEntry->HelpStringToken = HiiSetString (CallbackData->BmmHiiHandle, 0, NewMenuEntry->HelpString, NULL);
+
+    LoadOptionPtr += NewLoadContext->FilePathListLength;
+
+    if (LoadOptionPtr < LoadOptionEnd) {
+      OptionalDataSize = BootOptionSize -
+                         sizeof (UINT32) -
+                         sizeof (UINT16) -
+                         StringSize -
+                         NewLoadContext->FilePathListLength;
+
+      NewLoadContext->OptionalData = AllocateZeroPool (OptionalDataSize);
+      ASSERT (NewLoadContext->OptionalData != NULL);
+      CopyMem (
+        NewLoadContext->OptionalData,
+        LoadOptionPtr,
+        OptionalDataSize
+        );
+    }
+
+    InsertTailList (&BootOptionMenu.Head, &NewMenuEntry->Link);
+    MenuCount++;
+    FreePool (LoadOptionFromVar);
+  }
+
+  EfiBootManagerFreeLoadOptions (BootOption, BootOptionCount);
+
+  if (BootNext != NULL) {
+    FreePool (BootNext);
+  }
+
+  if (BootOrderList != NULL) {
+    FreePool (BootOrderList);
+  }
+
+  BootOptionMenu.MenuNumber = MenuCount;
+  return EFI_SUCCESS;
+}
+
+/**
+
+  Find drivers that will be added as Driver#### variables from handles
+  in current system environment
+  All valid handles in the system except those consume SimpleFs, LoadFile
+  are stored in DriverMenu for future use.
+
+  @retval EFI_SUCCESS The function complets successfully.
+  @return Other value if failed to build the DriverMenu.
+
+**/
+EFI_STATUS
+BOpt_FindDrivers (
+  VOID
+  )
+{
+  UINTN                            NoDevicePathHandles;
+  EFI_HANDLE                       *DevicePathHandle;
+  UINTN                            Index;
+  EFI_STATUS                       Status;
+  BM_MENU_ENTRY                    *NewMenuEntry;
+  BM_HANDLE_CONTEXT                *NewHandleContext;
+  EFI_HANDLE                       CurHandle;
+  UINTN                            OptionNumber;
+  EFI_SIMPLE_FILE_SYSTEM_PROTOCOL  *SimpleFs;
+  EFI_LOAD_FILE_PROTOCOL           *LoadFile;
+
+  SimpleFs = NULL;
+  LoadFile = NULL;
+
+  InitializeListHead (&DriverMenu.Head);
+
+  //
+  // At first, get all handles that support Device Path
+  // protocol which is the basic requirement for
+  // Driver####
+  //
+  Status = gBS->LocateHandleBuffer (
+                  ByProtocol,
+                  &gEfiDevicePathProtocolGuid,
+                  NULL,
+                  &NoDevicePathHandles,
+                  &DevicePathHandle
+                  );
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+
+  OptionNumber = 0;
+  for (Index = 0; Index < NoDevicePathHandles; Index++) {
+    CurHandle = DevicePathHandle[Index];
+
+    Status = gBS->HandleProtocol (
+                    CurHandle,
+                    &gEfiSimpleFileSystemProtocolGuid,
+                    (VOID **)&SimpleFs
+                    );
+    if (Status == EFI_SUCCESS) {
+      continue;
+    }
+
+    Status = gBS->HandleProtocol (
+                    CurHandle,
+                    &gEfiLoadFileProtocolGuid,
+                    (VOID **)&LoadFile
+                    );
+    if (Status == EFI_SUCCESS) {
+      continue;
+    }
+
+    NewMenuEntry = BOpt_CreateMenuEntry (BM_HANDLE_CONTEXT_SELECT);
+    if (NULL == NewMenuEntry) {
+      FreePool (DevicePathHandle);
+      return EFI_OUT_OF_RESOURCES;
+    }
+
+    NewHandleContext                 = (BM_HANDLE_CONTEXT *)NewMenuEntry->VariableContext;
+    NewHandleContext->Handle         = CurHandle;
+    NewHandleContext->DevicePath     = DevicePathFromHandle (CurHandle);
+    NewMenuEntry->DisplayString      = UiDevicePathToStr (NewHandleContext->DevicePath);
+    NewMenuEntry->DisplayStringToken = HiiSetString (mBmmCallbackInfo->BmmHiiHandle, 0, NewMenuEntry->DisplayString, NULL);
+    NewMenuEntry->HelpString         = NULL;
+    NewMenuEntry->HelpStringToken    = NewMenuEntry->DisplayStringToken;
+    NewMenuEntry->OptionNumber       = OptionNumber;
+    OptionNumber++;
+    InsertTailList (&DriverMenu.Head, &NewMenuEntry->Link);
+  }
+
+  if (DevicePathHandle != NULL) {
+    FreePool (DevicePathHandle);
+  }
+
+  DriverMenu.MenuNumber = OptionNumber;
+  return EFI_SUCCESS;
+}
+
+/**
+
+  Get the Option Number that has not been allocated for use.
+
+  @param Type  The type of Option.
+
+  @return The available Option Number.
+
+**/
+UINT16
+BOpt_GetOptionNumber (
+  CHAR16  *Type
+  )
+{
+  UINT16  *OrderList;
+  UINTN   OrderListSize;
+  UINTN   Index;
+  CHAR16  StrTemp[20];
+  UINT16  *OptionBuffer;
+  UINT16  OptionNumber;
+  UINTN   OptionSize;
+
+  OrderListSize = 0;
+  OrderList     = NULL;
+  OptionNumber  = 0;
+  Index         = 0;
+
+  UnicodeSPrint (StrTemp, sizeof (StrTemp), L"%sOrder", Type);
+
+  GetEfiGlobalVariable2 (StrTemp, (VOID **)&OrderList, &OrderListSize);
+  for (OptionNumber = 0; ; OptionNumber++) {
+    if (OrderList != NULL) {
+      for (Index = 0; Index < OrderListSize / sizeof (UINT16); Index++) {
+        if (OptionNumber == OrderList[Index]) {
+          break;
+        }
+      }
+    }
+
+    if (Index < OrderListSize / sizeof (UINT16)) {
+      //
+      // The OptionNumber occurs in the OrderList, continue to use next one
+      //
+      continue;
+    }
+
+    UnicodeSPrint (StrTemp, sizeof (StrTemp), L"%s%04x", Type, (UINTN)OptionNumber);
+    DEBUG ((DEBUG_ERROR, "Option = %s\n", StrTemp));
+    GetEfiGlobalVariable2 (StrTemp, (VOID **)&OptionBuffer, &OptionSize);
+    if (NULL == OptionBuffer) {
+      //
+      // The Boot[OptionNumber] / Driver[OptionNumber] NOT occurs, we found it
+      //
+      break;
+    }
+  }
+
+  return OptionNumber;
+}
+
+/**
+
+  Get the Option Number for Boot#### that does not used.
+
+  @return The available Option Number.
+
+**/
+UINT16
+BOpt_GetBootOptionNumber (
+  VOID
+  )
+{
+  return BOpt_GetOptionNumber (L"Boot");
+}
+
+/**
+
+  Get the Option Number for Driver#### that does not used.
+
+  @return The unused Option Number.
+
+**/
+UINT16
+BOpt_GetDriverOptionNumber (
+  VOID
+  )
+{
+  return BOpt_GetOptionNumber (L"Driver");
+}
+
+/**
+
+  Build up all DriverOptionMenu
+
+  @param CallbackData The BMM context data.
+
+  @retval EFI_SUCESS           The functin completes successfully.
+  @retval EFI_OUT_OF_RESOURCES Not enough memory to compete the operation.
+  @retval EFI_NOT_FOUND        Fail to get "DriverOrder" variable.
+
+**/
+EFI_STATUS
+BOpt_GetDriverOptions (
+  IN  BMM_CALLBACK_DATA  *CallbackData
+  )
+{
+  UINTN   Index;
+  UINT16  DriverString[12];
+  UINT8   *LoadOptionFromVar;
+  UINTN   DriverOptionSize;
+
+  UINT16           *DriverOrderList;
+  UINTN            DriverOrderListSize;
+  BM_MENU_ENTRY    *NewMenuEntry;
+  BM_LOAD_CONTEXT  *NewLoadContext;
+  UINT8            *LoadOptionPtr;
+  UINTN            StringSize;
+  UINTN            OptionalDataSize;
+  UINT8            *LoadOptionEnd;
+
+  DriverOrderListSize = 0;
+  DriverOrderList     = NULL;
+  DriverOptionSize    = 0;
+  LoadOptionFromVar   = NULL;
+  BOpt_FreeMenu (&DriverOptionMenu);
+  InitializeListHead (&DriverOptionMenu.Head);
+  //
+  // Get the DriverOrder from the Var
+  //
+  GetEfiGlobalVariable2 (L"DriverOrder", (VOID **)&DriverOrderList, &DriverOrderListSize);
+  if (DriverOrderList == NULL) {
+    return EFI_NOT_FOUND;
+  }
+
+  for (Index = 0; Index < DriverOrderListSize / sizeof (UINT16); Index++) {
+    UnicodeSPrint (
+      DriverString,
+      sizeof (DriverString),
+      L"Driver%04x",
+      DriverOrderList[Index]
+      );
+    //
+    //  Get all loadoptions from the VAR
+    //
+    GetEfiGlobalVariable2 (DriverString, (VOID **)&LoadOptionFromVar, &DriverOptionSize);
+    if (LoadOptionFromVar == NULL) {
+      continue;
+    }
+
+    NewMenuEntry = BOpt_CreateMenuEntry (BM_LOAD_CONTEXT_SELECT);
+    if (NULL == NewMenuEntry) {
+      return EFI_OUT_OF_RESOURCES;
+    }
+
+    NewLoadContext             = (BM_LOAD_CONTEXT *)NewMenuEntry->VariableContext;
+    LoadOptionPtr              = LoadOptionFromVar;
+    LoadOptionEnd              = LoadOptionFromVar + DriverOptionSize;
+    NewMenuEntry->OptionNumber = DriverOrderList[Index];
+    NewLoadContext->Deleted    = FALSE;
+    NewLoadContext->IsLegacy   = FALSE;
+
+    //
+    // LoadOption is a pointer type of UINT8
+    // for easy use with following LOAD_OPTION
+    // embedded in this struct
+    //
+
+    NewLoadContext->Attributes = *(UINT32 *)LoadOptionPtr;
+
+    LoadOptionPtr += sizeof (UINT32);
+
+    NewLoadContext->FilePathListLength = *(UINT16 *)LoadOptionPtr;
+    LoadOptionPtr                     += sizeof (UINT16);
+
+    StringSize                  = StrSize ((UINT16 *)LoadOptionPtr);
+    NewLoadContext->Description = AllocateZeroPool (StringSize);
+    ASSERT (NewLoadContext->Description != NULL);
+    CopyMem (
+      NewLoadContext->Description,
+      (UINT16 *)LoadOptionPtr,
+      StringSize
+      );
+    NewMenuEntry->DisplayString      = NewLoadContext->Description;
+    NewMenuEntry->DisplayStringToken = HiiSetString (CallbackData->BmmHiiHandle, 0, NewMenuEntry->DisplayString, NULL);
+
+    LoadOptionPtr += StringSize;
+
+    NewLoadContext->FilePathList = AllocateZeroPool (NewLoadContext->FilePathListLength);
+    ASSERT (NewLoadContext->FilePathList != NULL);
+    CopyMem (
+      NewLoadContext->FilePathList,
+      (EFI_DEVICE_PATH_PROTOCOL *)LoadOptionPtr,
+      NewLoadContext->FilePathListLength
+      );
+
+    NewMenuEntry->HelpString      = UiDevicePathToStr (NewLoadContext->FilePathList);
+    NewMenuEntry->HelpStringToken = HiiSetString (CallbackData->BmmHiiHandle, 0, NewMenuEntry->HelpString, NULL);
+
+    LoadOptionPtr += NewLoadContext->FilePathListLength;
+
+    if (LoadOptionPtr < LoadOptionEnd) {
+      OptionalDataSize = DriverOptionSize -
+                         sizeof (UINT32) -
+                         sizeof (UINT16) -
+                         StringSize -
+                         NewLoadContext->FilePathListLength;
+
+      NewLoadContext->OptionalData = AllocateZeroPool (OptionalDataSize);
+      ASSERT (NewLoadContext->OptionalData != NULL);
+      CopyMem (
+        NewLoadContext->OptionalData,
+        LoadOptionPtr,
+        OptionalDataSize
+        );
+    }
+
+    InsertTailList (&DriverOptionMenu.Head, &NewMenuEntry->Link);
+    FreePool (LoadOptionFromVar);
+  }
+
+  if (DriverOrderList != NULL) {
+    FreePool (DriverOrderList);
+  }
+
+  DriverOptionMenu.MenuNumber = Index;
+  return EFI_SUCCESS;
+}
+
+/**
+  Get option number according to Boot#### and BootOrder variable.
+  The value is saved as #### + 1.
+
+  @param CallbackData    The BMM context data.
+**/
+VOID
+GetBootOrder (
+  IN  BMM_CALLBACK_DATA  *CallbackData
+  )
+{
+  BMM_FAKE_NV_DATA  *BmmConfig;
+  UINT16            Index;
+  UINT16            OptionOrderIndex;
+  UINTN             DeviceType;
+  BM_MENU_ENTRY     *NewMenuEntry;
+  BM_LOAD_CONTEXT   *NewLoadContext;
+
+  ASSERT (CallbackData != NULL);
+
+  DeviceType = (UINTN)-1;
+  BmmConfig  = &CallbackData->BmmFakeNvData;
+  ZeroMem (BmmConfig->BootOptionOrder, sizeof (BmmConfig->BootOptionOrder));
+
+  for (Index = 0, OptionOrderIndex = 0; ((Index < BootOptionMenu.MenuNumber) &&
+                                         (OptionOrderIndex < (sizeof (BmmConfig->BootOptionOrder) / sizeof (BmmConfig->BootOptionOrder[0]))));
+       Index++)
+  {
+    NewMenuEntry   = BOpt_GetMenuEntry (&BootOptionMenu, Index);
+    NewLoadContext = (BM_LOAD_CONTEXT *)NewMenuEntry->VariableContext;
+
+    if (NewLoadContext->IsLegacy) {
+      if (((BBS_BBS_DEVICE_PATH *)NewLoadContext->FilePathList)->DeviceType != DeviceType) {
+        DeviceType = ((BBS_BBS_DEVICE_PATH *)NewLoadContext->FilePathList)->DeviceType;
+      } else {
+        //
+        // Only show one legacy boot option for the same device type
+        // assuming the boot options are grouped by the device type
+        //
+        continue;
+      }
+    }
+
+    BmmConfig->BootOptionOrder[OptionOrderIndex++] = (UINT32)(NewMenuEntry->OptionNumber + 1);
+  }
+}
+
+/**
+  Get driver option order from globalc DriverOptionMenu.
+
+  @param CallbackData    The BMM context data.
+
+**/
+VOID
+GetDriverOrder (
+  IN  BMM_CALLBACK_DATA  *CallbackData
+  )
+{
+  BMM_FAKE_NV_DATA  *BmmConfig;
+  UINT16            Index;
+  UINT16            OptionOrderIndex;
+  UINTN             DeviceType;
+  BM_MENU_ENTRY     *NewMenuEntry;
+  BM_LOAD_CONTEXT   *NewLoadContext;
+
+  ASSERT (CallbackData != NULL);
+
+  DeviceType = (UINTN)-1;
+  BmmConfig  = &CallbackData->BmmFakeNvData;
+  ZeroMem (BmmConfig->DriverOptionOrder, sizeof (BmmConfig->DriverOptionOrder));
+
+  for (Index = 0, OptionOrderIndex = 0; ((Index < DriverOptionMenu.MenuNumber) &&
+                                         (OptionOrderIndex < (sizeof (BmmConfig->DriverOptionOrder) / sizeof (BmmConfig->DriverOptionOrder[0]))));
+       Index++)
+  {
+    NewMenuEntry   = BOpt_GetMenuEntry (&DriverOptionMenu, Index);
+    NewLoadContext = (BM_LOAD_CONTEXT *)NewMenuEntry->VariableContext;
+
+    if (NewLoadContext->IsLegacy) {
+      if (((BBS_BBS_DEVICE_PATH *)NewLoadContext->FilePathList)->DeviceType != DeviceType) {
+        DeviceType = ((BBS_BBS_DEVICE_PATH *)NewLoadContext->FilePathList)->DeviceType;
+      } else {
+        //
+        // Only show one legacy boot option for the same device type
+        // assuming the boot options are grouped by the device type
+        //
+        continue;
+      }
+    }
+
+    BmmConfig->DriverOptionOrder[OptionOrderIndex++] = (UINT32)(NewMenuEntry->OptionNumber + 1);
+  }
+}
+
+/**
+  Boot the file specified by the input file path info.
+
+  @param FilePath    Point to the file path.
+
+  @retval TRUE   Exit caller function.
+  @retval FALSE  Not exit caller function.
+**/
+BOOLEAN
+EFIAPI
+BootFromFile (
+  IN EFI_DEVICE_PATH_PROTOCOL  *FilePath
+  )
+{
+  EFI_STATUS                    Status;
+  EFI_BOOT_MANAGER_LOAD_OPTION  BootOption;
+  CHAR16                        *FileName;
+
+  Status   = EFI_NOT_STARTED;
+  FileName = NULL;
+
+  FileName = ExtractFileNameFromDevicePath (FilePath);
+  if (FileName != NULL) {
+    Status = EfiBootManagerInitializeLoadOption (
+               &BootOption,
+               0,
+               LoadOptionTypeBoot,
+               LOAD_OPTION_ACTIVE,
+               FileName,
+               FilePath,
+               NULL,
+               0
+               );
+  }
+
+  if (!EFI_ERROR (Status)) {
+    //
+    // Since current no boot from removable media directly is allowed */
+    //
+    gST->ConOut->ClearScreen (gST->ConOut);
+    //
+    // Check whether need to reset system.
+    //
+    BmmSetupResetReminder ();
+
+    BmmSetConsoleMode (FALSE);
+    EfiBootManagerBoot (&BootOption);
+    BmmSetConsoleMode (TRUE);
+
+    FreePool (FileName);
+
+    EfiBootManagerFreeLoadOption (&BootOption);
+  }
+
+  return FALSE;
+}
+
+/**
+  Display the form base on the selected file.
+
+  @param FilePath   Point to the file path.
+  @param FormId     The form need to display.
+
+**/
+BOOLEAN
+ReSendForm (
+  IN  EFI_DEVICE_PATH_PROTOCOL  *FilePath,
+  IN  EFI_FORM_ID               FormId
+  )
+{
+  gBootMaintenancePrivate.LoadContext->FilePathList = FilePath;
+
+  UpdateOptionPage (&gBootMaintenancePrivate, FormId, FilePath);
+
+  gBootMaintenancePrivate.FormBrowser2->SendForm (
+                                          gBootMaintenancePrivate.FormBrowser2,
+                                          &gBootMaintenancePrivate.BmmHiiHandle,
+                                          1,
+                                          &mBootMaintGuid,
+                                          FormId,
+                                          NULL,
+                                          NULL
+                                          );
+  return TRUE;
+}
+
+/**
+  Create boot option base on the input file path info.
+
+  @param FilePath    Point to the file path.
+
+  @retval TRUE   Exit caller function.
+  @retval FALSE  Not exit caller function.
+**/
+BOOLEAN
+EFIAPI
+CreateBootOptionFromFile (
+  IN EFI_DEVICE_PATH_PROTOCOL  *FilePath
+  )
+{
+  return ReSendForm (FilePath, FORM_BOOT_ADD_ID);
+}
+
+/**
+  Create driver option base on the input file path info.
+
+  @param FilePath    Point to the file path.
+
+  @retval TRUE   Exit caller function.
+  @retval FALSE  Not exit caller function.
+
+**/
+BOOLEAN
+EFIAPI
+CreateDriverOptionFromFile (
+  IN EFI_DEVICE_PATH_PROTOCOL  *FilePath
+  )
+{
+  return ReSendForm (FilePath, FORM_DRV_ADD_FILE_ID);
+}