/**
 Create the global UpdateData structure.

**/
VOID
CreateUpdateData (
  VOID
  )
{
  //
  // Init OpCode Handle and Allocate space for creation of Buffer
  //
  mStartOpCodeHandle = HiiAllocateOpCodeHandle ();
  ASSERT (mStartOpCodeHandle != NULL);
  
  mEndOpCodeHandle = HiiAllocateOpCodeHandle ();
  ASSERT (mEndOpCodeHandle != NULL);
  
  //
  // Create Hii Extend Label OpCode as the start opcode
  //
  mStartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (mStartOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
  mStartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
  
  //
  // Create Hii Extend Label OpCode as the end opcode
  //
  mEndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (mEndOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
  mEndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
  mEndLabel->Number       = LABEL_END;
}

/**

  Update the menus in the front page.

**/
VOID
UpdateFrontPageForm (
  VOID
  )
{
  VOID                        *StartOpCodeHandle;
  VOID                        *EndOpCodeHandle;
  EFI_IFR_GUID_LABEL          *StartGuidLabel;
  EFI_IFR_GUID_LABEL          *EndGuidLabel;

  //
  // Allocate space for creation of UpdateData Buffer
  //
  StartOpCodeHandle = HiiAllocateOpCodeHandle ();
  ASSERT (StartOpCodeHandle != NULL);

  EndOpCodeHandle = HiiAllocateOpCodeHandle ();
  ASSERT (EndOpCodeHandle != NULL);
  //
  // Create Hii Extend Label OpCode as the start opcode
  //
  StartGuidLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (StartOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
  StartGuidLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
  StartGuidLabel->Number       = LABEL_FRANTPAGE_INFORMATION;
  //
  // Create Hii Extend Label OpCode as the end opcode
  //
  EndGuidLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (EndOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
  EndGuidLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
  EndGuidLabel->Number       = LABEL_END;

  //
  //Updata Front Page form
  //
  UiCustomizeFrontPage (
    gFrontPagePrivate.HiiHandle,
    StartOpCodeHandle
    );

  HiiUpdateForm (
    gFrontPagePrivate.HiiHandle,
    &mFrontPageGuid,
    FRONT_PAGE_FORM_ID,
    StartOpCodeHandle,
    EndOpCodeHandle
    );

  HiiFreeOpCodeHandle (StartOpCodeHandle);
  HiiFreeOpCodeHandle (EndOpCodeHandle);
}

/**

  Update the menus in the BMM page.

**/
VOID
CustomizeMenus (
  VOID
  )
{
  VOID                        *StartOpCodeHandle;
  VOID                        *EndOpCodeHandle;
  EFI_IFR_GUID_LABEL          *StartGuidLabel;
  EFI_IFR_GUID_LABEL          *EndGuidLabel;

  //
  // Allocate space for creation of UpdateData Buffer
  //
  StartOpCodeHandle = HiiAllocateOpCodeHandle ();
  ASSERT (StartOpCodeHandle != NULL);

  EndOpCodeHandle = HiiAllocateOpCodeHandle ();
  ASSERT (EndOpCodeHandle != NULL);
  //
  // Create Hii Extend Label OpCode as the start opcode
  //
  StartGuidLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (StartOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
  StartGuidLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
  StartGuidLabel->Number       = LABEL_FORM_MAIN_START;
  //
  // Create Hii Extend Label OpCode as the end opcode
  //
  EndGuidLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (EndOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
  EndGuidLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
  EndGuidLabel->Number       = LABEL_FORM_MAIN_END;

  //
  //Updata Front Page form
  //
  UiCustomizeBMMPage (
    mBmmCallbackInfo->BmmHiiHandle,
    StartOpCodeHandle
    );

  HiiUpdateForm (
    mBmmCallbackInfo->BmmHiiHandle,
    &mBootMaintGuid,
    FORM_MAIN_ID,
    StartOpCodeHandle,
    EndOpCodeHandle
    );

  HiiFreeOpCodeHandle (StartOpCodeHandle);
  HiiFreeOpCodeHandle (EndOpCodeHandle);
}

/**
  Refresh the global UpdateData structure.

**/
VOID
RefreshLegacyUpdateData (
  VOID
  )
{
  //
  // Free current updated date
  //
  if (mLegacyStartOpCodeHandle != NULL) {
    HiiFreeOpCodeHandle (mLegacyStartOpCodeHandle);
  }
  if (mLegacyEndOpCodeHandle != NULL) {
    HiiFreeOpCodeHandle (mLegacyEndOpCodeHandle);
  }

  //
  // Create new OpCode Handle
  //
  mLegacyStartOpCodeHandle = HiiAllocateOpCodeHandle ();
  mLegacyEndOpCodeHandle = HiiAllocateOpCodeHandle ();

  //
  // Create Hii Extend Label OpCode as the start opcode
  //
  mLegacyStartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (
                                         mLegacyStartOpCodeHandle,
                                         &gEfiIfrTianoGuid,
                                         NULL,
                                         sizeof (EFI_IFR_GUID_LABEL)
                                         );
  mLegacyStartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;

  mLegacyStartLabel->Number = FORM_BOOT_LEGACY_DEVICE_ID;

  //
  // Create Hii Extend Label OpCode as the start opcode
  //
  mLegacyEndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (
                                         mLegacyEndOpCodeHandle,
                                         &gEfiIfrTianoGuid,
                                         NULL,
                                         sizeof (EFI_IFR_GUID_LABEL)
                                         );
  mLegacyEndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;

  mLegacyEndLabel->Number = FORM_BOOT_LEGACY_LABEL_END;

}

/**
  Refresh the global UpdateData structure.

**/
VOID
RefreshUpdateData (
  VOID
  )
{
  //
  // Free current updated date
  //
  if (mStartOpCodeHandle != NULL) {
    HiiFreeOpCodeHandle (mStartOpCodeHandle);
  }

  //
  // Create new OpCode Handle
  //
  mStartOpCodeHandle = HiiAllocateOpCodeHandle ();

  //
  // Create Hii Extend Label OpCode as the start opcode
  //
  mStartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (
                                         mStartOpCodeHandle,
                                         &gEfiIfrTianoGuid,
                                         NULL,
                                         sizeof (EFI_IFR_GUID_LABEL)
                                         );
  mStartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
}

/**
  Create the dynamic page to allow user to set the "TimeOut" value.

  @param CallbackData    The BMM context data.

**/
VOID
UpdateTimeOutPage (
  IN BMM_CALLBACK_DATA                *CallbackData
  )
{
  VOID    *DefaultOpCodeHandle;

  CallbackData->BmmAskSaveOrNot = TRUE;

  UpdatePageStart (CallbackData);

  DefaultOpCodeHandle = HiiAllocateOpCodeHandle ();
  ASSERT (DefaultOpCodeHandle != NULL);
  HiiCreateDefaultOpCode (DefaultOpCodeHandle, EFI_HII_DEFAULT_CLASS_STANDARD, EFI_IFR_TYPE_NUM_SIZE_16, CallbackData->BmmFakeNvData.BootTimeOut);

  HiiCreateNumericOpCode (
    mStartOpCodeHandle,
    (EFI_QUESTION_ID) BOOT_TIME_OUT_QUESTION_ID,
    VARSTORE_ID_BOOT_MAINT,
    BOOT_TIME_OUT_VAR_OFFSET,
    STRING_TOKEN (STR_NUM_AUTO_BOOT),
    STRING_TOKEN (STR_HLP_AUTO_BOOT),
    0,
    EFI_IFR_NUMERIC_SIZE_2 | EFI_IFR_DISPLAY_UINT_DEC,
    0,
    65535,
    0,
    DefaultOpCodeHandle
    );
  
  HiiFreeOpCodeHandle (DefaultOpCodeHandle);

  UpdatePageEnd (CallbackData);
}

/**
  Refresh the global UpdateData structure.

**/
VOID
LibRefreshUpdateData (
  VOID
  )
{
  //
  // Free current updated date
  //
  if (mLibStartOpCodeHandle != NULL) {
    HiiFreeOpCodeHandle (mLibStartOpCodeHandle);
  }
  if (mLibEndOpCodeHandle != NULL) {
    HiiFreeOpCodeHandle (mLibEndOpCodeHandle);
  }

  //
  // Create new OpCode Handle
  //
  mLibStartOpCodeHandle = HiiAllocateOpCodeHandle ();
  mLibEndOpCodeHandle = HiiAllocateOpCodeHandle ();

  //
  // Create Hii Extend Label OpCode as the start opcode
  //
  mLibStartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (
                                         mLibStartOpCodeHandle,
                                         &gEfiIfrTianoGuid,
                                         NULL,
                                         sizeof (EFI_IFR_GUID_LABEL)
                                         );
  mLibStartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;

  mLibStartLabel->Number = FORM_FILE_EXPLORER_ID;

  //
  // Create Hii Extend Label OpCode as the start opcode
  //
  mLibEndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (
                                         mLibEndOpCodeHandle,
                                         &gEfiIfrTianoGuid,
                                         NULL,
                                         sizeof (EFI_IFR_GUID_LABEL)
                                         );
  mLibEndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;

  mLibEndLabel->Number = LABEL_END;
}

/**
  Create a set of "one-of-many" (ie. "drop down list") option IFR opcodes,
  based on available GOP resolutions, to be placed under a "one-of-many" (ie.
  "drop down list") opcode.

  @param[in]  PackageList   The package list with the formset and form for
                            which the drop down options are produced. Option
                            names are added as new strings to PackageList.

  @param[out] OpCodeBuffer  On output, a dynamically allocated opcode buffer
                            with drop down list options corresponding to GOP
                            resolutions. The caller is responsible for freeing
                            OpCodeBuffer with HiiFreeOpCodeHandle() after use.

  @param[in]  NumGopModes   Number of entries in GopModes.

  @param[in]  GopModes      Array of resolutions retrieved from the GOP.

  @retval EFI_SUCESS  Opcodes have been successfully produced.

  @return             Status codes from underlying functions. PackageList may
                      have been extended with new strings. OpCodeBuffer is
                      unchanged.
**/
STATIC
EFI_STATUS
EFIAPI
CreateResolutionOptions (
  IN  EFI_HII_HANDLE  *PackageList,
  OUT VOID            **OpCodeBuffer,
  IN  UINTN           NumGopModes,
  IN  GOP_MODE        *GopModes
  )
{
  EFI_STATUS Status;
  VOID       *OutputBuffer;
  UINTN      ModeNumber;

  OutputBuffer = HiiAllocateOpCodeHandle ();
  if (OutputBuffer == NULL) {
    return EFI_OUT_OF_RESOURCES;
  }

  for (ModeNumber = 0; ModeNumber < NumGopModes; ++ModeNumber) {
    CHAR16        Desc[MAXSIZE_RES_CUR];
    EFI_STRING_ID NewString;
    VOID          *OpCode;

    UnicodeSPrintAsciiFormat (Desc, sizeof Desc, "%Ldx%Ld",
      (INT64) GopModes[ModeNumber].X, (INT64) GopModes[ModeNumber].Y);
    NewString = HiiSetString (PackageList, 0 /* new string */, Desc,
                  NULL /* for all languages */);
    if (NewString == 0) {
      Status = EFI_OUT_OF_RESOURCES;
      goto FreeOutputBuffer;
    }
    OpCode = HiiCreateOneOfOptionOpCode (OutputBuffer, NewString,
               0 /* Flags */, EFI_IFR_NUMERIC_SIZE_4, ModeNumber);
    if (OpCode == NULL) {
      Status = EFI_OUT_OF_RESOURCES;
      goto FreeOutputBuffer;
    }
  }

  *OpCodeBuffer = OutputBuffer;
  return EFI_SUCCESS;

FreeOutputBuffer:
  HiiFreeOpCodeHandle (OutputBuffer);

  return Status;
}

//.........这里部分代码省略.........
    BbsType     = BBS_CDROM;
    Default     = mLegacyBootOptionPrivate->MaintainMapData->CurrentNvData.LegacyCD;
    break;

  case FORM_NET_BOOT_ID:
    OptionMenu  = (LEGACY_MENU_OPTION *) &LegacyNETMenu;
    Key         = (UINT16) LEGACY_NET_QUESTION_ID;
    TypeStr     = STR_NET;
    TypeStrHelp = STR_NET_HELP;
    FormTitle   = STR_NET_TITLE;
    BbsType     = BBS_EMBED_NETWORK;
    Default     = mLegacyBootOptionPrivate->MaintainMapData->CurrentNvData.LegacyNET;
    break;

  case FORM_BEV_BOOT_ID:
    OptionMenu  = (LEGACY_MENU_OPTION *) &LegacyBEVMenu;
    Key         = (UINT16) LEGACY_BEV_QUESTION_ID;
    TypeStr     = STR_BEV;
    TypeStrHelp = STR_BEV_HELP;
    FormTitle   = STR_BEV_TITLE;
    BbsType     = BBS_BEV_DEVICE;
    Default     = mLegacyBootOptionPrivate->MaintainMapData->CurrentNvData.LegacyBEV;
    break;

  default:
    DEBUG ((EFI_D_ERROR, "Invalid command ID for updating page!\n"));
    return;
  }
  
  HiiSetString (mLegacyBootOptionPrivate->HiiHandle, STRING_TOKEN(STR_ORDER_CHANGE_PROMPT), FormTitle, NULL);

  CreateLegacyMenuStringToken (mLegacyBootOptionPrivate->HiiHandle, OptionMenu);

  OptionsOpCodeHandle = HiiAllocateOpCodeHandle ();
  ASSERT (OptionsOpCodeHandle != NULL);


  for (Index = 0; Index < OptionMenu->MenuNumber; Index++) {
    NewMenuEntry = GetMenuEntry (OptionMenu, Index);
    //
    // Create OneOf for each legacy device
    //
    HiiCreateOneOfOptionOpCode (
      OptionsOpCodeHandle,
      NewMenuEntry->DisplayStringToken,
      0,
      EFI_IFR_TYPE_NUM_SIZE_16,
      ((LEGACY_DEVICE_CONTEXT *) NewMenuEntry->VariableContext)->BbsIndex
      );
  }

  //
  // Create OneOf for item "Disabled"
  //
  HiiCreateOneOfOptionOpCode (
    OptionsOpCodeHandle,
    STRING_TOKEN (STR_DISABLE_LEGACY_DEVICE),
    0,
    EFI_IFR_TYPE_NUM_SIZE_16,
    0xFF
    );

  //
  // Create oneof tag here for FD/HD/CD #1 #2
  //
  for (Index = 0; Index < OptionMenu->MenuNumber; Index++) {

/**
  Create dynamic code for BMM.

  @param  BmmCallbackInfo        The BMM context data.

**/
VOID
InitializeDrivers(
  IN BMM_CALLBACK_DATA        *BmmCallbackInfo
  )
{
  EFI_HII_HANDLE              HiiHandle;
  VOID                        *StartOpCodeHandle;
  VOID                        *EndOpCodeHandle;
  EFI_IFR_GUID_LABEL          *StartLabel;
  EFI_IFR_GUID_LABEL          *EndLabel;
  UINTN                       Index;  
  EFI_STRING_ID               FormSetTitle;
  EFI_STRING_ID               FormSetHelp;  
  EFI_STRING                  String;
  EFI_STRING_ID               Token;
  EFI_STRING_ID               TokenHelp;  
  EFI_HII_HANDLE              *HiiHandles;
  UINTN                       SkipCount;
  EFI_GUID                    FormSetGuid;
  CHAR16                      *DevicePathStr;
  EFI_STRING_ID               DevicePathId;

  HiiHandle = BmmCallbackInfo->BmmHiiHandle;
  //
  // Allocate space for creation of UpdateData Buffer
  //
  StartOpCodeHandle = HiiAllocateOpCodeHandle ();
  ASSERT (StartOpCodeHandle != NULL);

  EndOpCodeHandle = HiiAllocateOpCodeHandle ();
  ASSERT (EndOpCodeHandle != NULL);

  //
  // Create Hii Extend Label OpCode as the start opcode
  //
  StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (StartOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
  StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
  StartLabel->Number       = LABEL_BMM_PLATFORM_INFORMATION;

  //
  // Create Hii Extend Label OpCode as the end opcode
  //
  EndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (EndOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
  EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
  EndLabel->Number       = LABEL_END;

  //
  // Get all the Hii handles
  //
  HiiHandles = HiiGetHiiHandles (NULL);
  ASSERT (HiiHandles != NULL);

  //
  // Search for formset of each class type
  //
  SkipCount = 0;
  for (Index = 0; HiiHandles[Index] != NULL; Index++) {
    if (!ExtractDisplayedHiiFormFromHiiHandle (HiiHandles[Index], &gEfiIfrBootMaintenanceGuid, SkipCount, &FormSetTitle, &FormSetHelp, &FormSetGuid)) {
      SkipCount = 0;
      continue;
    }
    String = HiiGetString (HiiHandles[Index], FormSetTitle, NULL);
    if (String == NULL) {
      String = HiiGetString (HiiHandle, STR_MISSING_STRING, NULL);
      ASSERT (String != NULL);
    }
    Token = HiiSetString (HiiHandle, 0, String, NULL);
    FreePool (String);

    String = HiiGetString (HiiHandles[Index], FormSetHelp, NULL);
    if (String == NULL) {
      String = HiiGetString (HiiHandle, STR_MISSING_STRING, NULL);
      ASSERT (String != NULL);
    }
    TokenHelp = HiiSetString (HiiHandle, 0, String, NULL);
    FreePool (String);

    DevicePathStr = ExtractDevicePathFromHiiHandle(HiiHandles[Index]);
    DevicePathId  = 0;
    if (DevicePathStr != NULL){
      DevicePathId = HiiSetString (HiiHandle, 0, DevicePathStr, NULL);
      FreePool (DevicePathStr);
    }

    HiiCreateGotoExOpCode (
      StartOpCodeHandle,
      0,
      Token,
      TokenHelp,
      0,
      (EFI_QUESTION_ID) (Index + FRONT_PAGE_KEY_OFFSET),
      0,
      &FormSetGuid,
      DevicePathId
//.........这里部分代码省略.........

/**
  This function invokes Boot Manager. If all devices have not a chance to be connected,
  the connect all will be triggered. It then enumerate all boot options. If
  a boot option from the Boot Manager page is selected, Boot Manager will boot
  from this boot option.

**/
VOID
CallBootManager (
    VOID
)
{
    EFI_STATUS                  Status;
    BDS_COMMON_OPTION           *Option;
    LIST_ENTRY                  *Link;
    CHAR16                      *ExitData;
    UINTN                       ExitDataSize;
    EFI_STRING_ID               Token;
    EFI_INPUT_KEY               Key;
    CHAR16                      *HelpString;
    UINTN                       HelpSize;
    EFI_STRING_ID               HelpToken;
    UINT16                      *TempStr;
    EFI_HII_HANDLE              HiiHandle;
    EFI_BROWSER_ACTION_REQUEST  ActionRequest;
    VOID                        *StartOpCodeHandle;
    VOID                        *EndOpCodeHandle;
    EFI_IFR_GUID_LABEL          *StartLabel;
    EFI_IFR_GUID_LABEL          *EndLabel;
    UINT16                      DeviceType;
    BOOLEAN                     IsLegacyOption;
    BOOLEAN                     NeedEndOp;

    DeviceType = (UINT16) -1;
    gOption    = NULL;
    InitializeListHead (&mBootOptionsList);

    //
    // Connect all prior to entering the platform setup menu.
    //
    if (!gConnectAllHappened) {
        BdsLibConnectAllDriversToAllControllers ();
        gConnectAllHappened = TRUE;
    }

    BdsLibEnumerateAllBootOption (&mBootOptionsList);

    //
    // Group the legacy boot options for the same device type
    //
    GroupMultipleLegacyBootOption4SameType ();

    InitializeListHead (&mBootOptionsList);
    BdsLibBuildOptionFromVar (&mBootOptionsList, L"BootOrder");

    HiiHandle = gBootManagerPrivate.HiiHandle;

    //
    // Allocate space for creation of UpdateData Buffer
    //
    StartOpCodeHandle = HiiAllocateOpCodeHandle ();
    ASSERT (StartOpCodeHandle != NULL);

    EndOpCodeHandle = HiiAllocateOpCodeHandle ();
    ASSERT (EndOpCodeHandle != NULL);

    //
    // Create Hii Extend Label OpCode as the start opcode
    //
    StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (StartOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
    StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
    StartLabel->Number       = LABEL_BOOT_OPTION;

    //
    // Create Hii Extend Label OpCode as the end opcode
    //
    EndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (EndOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
    EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
    EndLabel->Number       = LABEL_BOOT_OPTION_END;

    mKeyInput = 0;
    NeedEndOp = FALSE;
    for (Link = GetFirstNode (&mBootOptionsList); !IsNull (&mBootOptionsList, Link); Link = GetNextNode (&mBootOptionsList, Link)) {
        Option = CR (Link, BDS_COMMON_OPTION, Link, BDS_LOAD_OPTION_SIGNATURE);

        //
        // At this stage we are creating a menu entry, thus the Keys are reproduceable
        //
        mKeyInput++;

        //
        // Don't display the hidden/inactive boot option
        //
        if (((Option->Attribute & LOAD_OPTION_HIDDEN) != 0) || ((Option->Attribute & LOAD_OPTION_ACTIVE) == 0)) {
            continue;
        }

        //
        // Group the legacy boot option in the sub title created dynamically
        //
//.........这里部分代码省略.........

/**
  Initialize HII information for the FrontPage


  @param InitializeHiiData    TRUE if HII elements need to be initialized.

  @retval  EFI_SUCCESS        The operation is successful.
  @retval  EFI_DEVICE_ERROR   If the dynamic opcode creation failed.

**/
EFI_STATUS
InitializeFrontPage (
  IN BOOLEAN                         InitializeHiiData
  )
{
  EFI_STATUS                  Status;
  CHAR8                       *LangCode;
  CHAR8                       *Lang;
  CHAR8                       *CurrentLang;
  UINTN                       OptionCount;
  CHAR16                      *StringBuffer;
  EFI_HII_HANDLE              HiiHandle;
  VOID                        *OptionsOpCodeHandle;
  VOID                        *StartOpCodeHandle;
  VOID                        *EndOpCodeHandle;
  EFI_IFR_GUID_LABEL          *StartLabel;
  EFI_IFR_GUID_LABEL          *EndLabel;
  EFI_HII_STRING_PROTOCOL     *HiiString;
  UINTN                       StringSize;

  Lang         = NULL;
  StringBuffer = NULL;

  if (InitializeHiiData) {
    //
    // Initialize the Device Manager
    //
    InitializeDeviceManager ();

    //
    // Initialize the Device Manager
    //
    InitializeBootManager ();

    gCallbackKey  = 0;

    //
    // Locate Hii relative protocols
    //
    Status = gBS->LocateProtocol (&gEfiFormBrowser2ProtocolGuid, NULL, (VOID **) &gFormBrowser2);
    if (EFI_ERROR (Status)) {
      return Status;
    }

    //
    // Install Device Path Protocol and Config Access protocol to driver handle
    //
    Status = gBS->InstallMultipleProtocolInterfaces (
                    &gFrontPagePrivate.DriverHandle,
                    &gEfiDevicePathProtocolGuid,
                    &mFrontPageHiiVendorDevicePath,
                    &gEfiHiiConfigAccessProtocolGuid,
                    &gFrontPagePrivate.ConfigAccess,
                    NULL
                    );
    ASSERT_EFI_ERROR (Status);

    //
    // Publish our HII data
    //
    gFrontPagePrivate.HiiHandle = HiiAddPackages (
                                    &gFrontPageFormSetGuid,
                                    gFrontPagePrivate.DriverHandle,
                                    FrontPageVfrBin,
                                    BdsDxeStrings,
                                    NULL
                                    );
    if (gFrontPagePrivate.HiiHandle == NULL) {
      return EFI_OUT_OF_RESOURCES;
    }
  }


  //
  // Init OpCode Handle and Allocate space for creation of UpdateData Buffer
  //
  StartOpCodeHandle = HiiAllocateOpCodeHandle ();
  ASSERT (StartOpCodeHandle != NULL);

  EndOpCodeHandle = HiiAllocateOpCodeHandle ();
  ASSERT (EndOpCodeHandle != NULL);

  OptionsOpCodeHandle = HiiAllocateOpCodeHandle ();
  ASSERT (OptionsOpCodeHandle != NULL);
  //
  // Create Hii Extend Label OpCode as the start opcode
  //
  StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (StartOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
  StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
  StartLabel->Number       = LABEL_SELECT_LANGUAGE;
//.........这里部分代码省略.........

/**
  Update the form to include the driver health instances.

  @param ConfigureOnly  Only include the configure required driver health instances
                        when TRUE, include all the driver health instances otherwise.
**/
VOID
DriverHealthManagerUpdateForm (
  BOOLEAN                     ConfigureOnly
  )
{
  EFI_STATUS                  Status;
  EFI_IFR_GUID_LABEL          *StartLabel;
  EFI_IFR_GUID_LABEL          *EndLabel;
  VOID                        *StartOpCodeHandle;
  VOID                        *EndOpCodeHandle;
  UINTN                       Index;
  EFI_STRING_ID               Prompt;
  EFI_STRING_ID               Help;
  CHAR16                      String[512];
  UINTN                       StringCount;
  EFI_STRING                  TmpString;
  EFI_STRING                  DriverName;
  EFI_STRING                  ControllerName;
  UINTN                       MessageIndex;
  EFI_HANDLE                  DriverHandle;
  EFI_STRING_ID               DevicePath;
  EFI_GUID                    FormsetGuid;

  EfiBootManagerFreeDriverHealthInfo (mDriverHealthManagerHealthInfo, mDriverHealthManagerHealthInfoCount);
  mDriverHealthManagerHealthInfo = EfiBootManagerGetDriverHealthInfo (&mDriverHealthManagerHealthInfoCount);

  //
  // Allocate space for creation of UpdateData Buffer
  //
  StartOpCodeHandle = HiiAllocateOpCodeHandle ();
  ASSERT (StartOpCodeHandle != NULL);

  EndOpCodeHandle = HiiAllocateOpCodeHandle ();
  ASSERT (EndOpCodeHandle != NULL);

  //
  // Create Hii Extend Label OpCode as the start opcode
  //
  StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (StartOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
  StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
  StartLabel->Number       = LABEL_BEGIN;

  //
  // Create Hii Extend Label OpCode as the end opcode
  //
  EndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (EndOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
  EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
  EndLabel->Number       = LABEL_END;

  for (Index = 0; Index < mDriverHealthManagerHealthInfoCount; Index++) {
    if (ConfigureOnly && mDriverHealthManagerHealthInfo[Index].HealthStatus != EfiDriverHealthStatusConfigurationRequired) {
      continue;
    }
    DriverName = DriverHealthManagerGetDriverName (mDriverHealthManagerHealthInfo[Index].DriverHealthHandle);
    ASSERT (DriverName != NULL);

    if (mDriverHealthManagerHealthInfo[Index].ControllerHandle == NULL) {
      //
      // The ControllerHandle is set to NULL and the HealthStatus is set to EfiDriverHealthStatusHealthy
      // if all the controllers managed by the driver are in healthy state.
      //
      ASSERT (mDriverHealthManagerHealthInfo[Index].HealthStatus == EfiDriverHealthStatusHealthy);
      UnicodeSPrint (String, sizeof (String), L"%s", DriverName);
    } else {
      ControllerName = DriverHealthManagerGetControllerName (
                         mDriverHealthManagerHealthInfo[Index].DriverHealthHandle,
                         mDriverHealthManagerHealthInfo[Index].ControllerHandle,
                         mDriverHealthManagerHealthInfo[Index].ChildHandle
                         );
      ASSERT (ControllerName != NULL);
      UnicodeSPrint (String, sizeof (String), L"%s    %s", DriverName, ControllerName);
      FreePool (ControllerName);
    }
    FreePool (DriverName);

    Prompt = HiiSetString (mDriverHealthManagerHiiHandle, 0, String, NULL);

    switch(mDriverHealthManagerHealthInfo[Index].HealthStatus) {
    case EfiDriverHealthStatusRepairRequired:
      TmpString = HiiGetString (mDriverHealthManagerHiiHandle, STRING_TOKEN (STR_REPAIR_REQUIRED), NULL);
      break;
    case EfiDriverHealthStatusConfigurationRequired:
      TmpString = HiiGetString (mDriverHealthManagerHiiHandle, STRING_TOKEN (STR_CONFIGURATION_REQUIRED), NULL);
      break;
    case EfiDriverHealthStatusFailed:
      TmpString = HiiGetString (mDriverHealthManagerHiiHandle, STRING_TOKEN (STR_FAILED), NULL);
      break;
    case EfiDriverHealthStatusReconnectRequired:
      TmpString = HiiGetString (mDriverHealthManagerHiiHandle, STRING_TOKEN (STR_RECONNECT_REQUIRED), NULL);
      break;
    case EfiDriverHealthStatusRebootRequired:
      TmpString = HiiGetString (mDriverHealthManagerHiiHandle, STRING_TOKEN (STR_REBOOT_REQUIRED), NULL);
      break;
    default:
//.........这里部分代码省略.........

//.........这里部分代码省略.........
                  NULL
                  );
  if (EFI_ERROR (Status)) {
    goto Exit;
  }

  //
  // Post our Boot Maint VFR binary to the HII database.
  //
  BmmCallbackInfo->BmmHiiHandle = HiiAddPackages (
                                    &gBootMaintFormSetGuid,
                                    BmmCallbackInfo->BmmDriverHandle,
                                    BmBin,
                                    BdsDxeStrings,
                                    NULL
                                    );
  ASSERT (BmmCallbackInfo->BmmHiiHandle != NULL);

  //
  // Post our File Explorer VFR binary to the HII database.
  //
  BmmCallbackInfo->FeHiiHandle = HiiAddPackages (
                                   &gFileExploreFormSetGuid,
                                   BmmCallbackInfo->FeDriverHandle,
                                   FEBin,
                                   BdsDxeStrings,
                                   NULL
                                   );
  ASSERT (BmmCallbackInfo->FeHiiHandle != NULL);

  //
  // Init OpCode Handle and Allocate space for creation of Buffer
  //
  mStartOpCodeHandle = HiiAllocateOpCodeHandle ();
  if (mStartOpCodeHandle == NULL) {
    Status = EFI_OUT_OF_RESOURCES;
    goto Exit;
  }

  mEndOpCodeHandle = HiiAllocateOpCodeHandle ();
  if (mEndOpCodeHandle == NULL) {
    Status = EFI_OUT_OF_RESOURCES;
    goto Exit;
  }

  //
  // Create Hii Extend Label OpCode as the start opcode
  //
  mStartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (mStartOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
  mStartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;

  //
  // Create Hii Extend Label OpCode as the end opcode
  //
  mEndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (mEndOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
  mEndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
  mEndLabel->Number       = LABEL_END;

  InitializeStringDepository ();

  InitAllMenu (BmmCallbackInfo);

  CreateMenuStringToken (BmmCallbackInfo, BmmCallbackInfo->BmmHiiHandle, &ConsoleInpMenu);
  CreateMenuStringToken (BmmCallbackInfo, BmmCallbackInfo->BmmHiiHandle, &ConsoleOutMenu);
  CreateMenuStringToken (BmmCallbackInfo, BmmCallbackInfo->BmmHiiHandle, &ConsoleErrMenu);
  CreateMenuStringToken (BmmCallbackInfo, BmmCallbackInfo->BmmHiiHandle, &BootOptionMenu);

/**
  Display user select form, cab select a user to delete.

**/
VOID
SelectUserToDelete (
  VOID
  )
{
  EFI_STATUS              Status;
  UINT8                   Index;
  EFI_USER_PROFILE_HANDLE User;
  EFI_USER_PROFILE_HANDLE CurrentUser;
  VOID                    *StartOpCodeHandle;
  VOID                    *EndOpCodeHandle;
  EFI_IFR_GUID_LABEL      *StartLabel;
  EFI_IFR_GUID_LABEL      *EndLabel;

  //
  // Initialize the container for dynamic opcodes.
  //
  StartOpCodeHandle = HiiAllocateOpCodeHandle ();
  ASSERT (StartOpCodeHandle != NULL);

  EndOpCodeHandle = HiiAllocateOpCodeHandle ();
  ASSERT (EndOpCodeHandle != NULL);

  //
  // Create Hii Extend Label OpCode.
  //
  StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (
                                        StartOpCodeHandle,
                                        &gEfiIfrTianoGuid,
                                        NULL,
                                        sizeof (EFI_IFR_GUID_LABEL)
                                        );
  StartLabel->ExtendOpCode  = EFI_IFR_EXTEND_OP_LABEL;
  StartLabel->Number        = LABEL_USER_DEL_FUNC;

  EndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (
                                      EndOpCodeHandle,
                                      &gEfiIfrTianoGuid,
                                      NULL,
                                      sizeof (EFI_IFR_GUID_LABEL)
                                      );
  EndLabel->ExtendOpCode  = EFI_IFR_EXTEND_OP_LABEL;
  EndLabel->Number        = LABEL_END;

  //
  // Add each user can be deleted.
  //
  User  = NULL;
  Index = 1;
  mUserManager->Current (mUserManager, &CurrentUser);
  while (TRUE) {
    Status = mUserManager->GetNext (mUserManager, &User);
    if (EFI_ERROR (Status)) {
      break;
    }

    if (User != CurrentUser) {
      AddUserToForm (
        User,
        (UINT16)(KEY_DEL_USER | KEY_SELECT_USER | Index),
        StartOpCodeHandle
        );
    }
    Index++;
  }

  HiiUpdateForm (
    mCallbackInfo->HiiHandle, // HII handle
    &gUserProfileManagerGuid, // Formset GUID
    FORMID_DEL_USER,          // Form ID
    StartOpCodeHandle,        // Label for where to insert opcodes
    EndOpCodeHandle           // Replace data
    );

  HiiFreeOpCodeHandle (StartOpCodeHandle);
  HiiFreeOpCodeHandle (EndOpCodeHandle);
}

/**
  Display the permit load device path in the loadable device path list.

**/
VOID
DisplayLoadPermit(
  VOID
  )
{
  EFI_STATUS          Status;
  CHAR16              *Order;
  UINTN               OrderSize;
  UINTN               ListCount;
  UINTN               Index;
  UINT8               *Var;
  UINT8               *VarPtr;
  CHAR16              VarName[12];
  VOID                *StartOpCodeHandle;
  VOID                *EndOpCodeHandle;
  EFI_IFR_GUID_LABEL  *StartLabel;
  EFI_IFR_GUID_LABEL  *EndLabel;

  //
  // Get DriverOrder.
  //
  OrderSize = 0;
  Status    = gRT->GetVariable (
                     L"DriverOrder", 
                     &gEfiGlobalVariableGuid, 
                     NULL, 
                     &OrderSize, 
                     NULL
                     );
  if (Status != EFI_BUFFER_TOO_SMALL) {
    return ;
  }

  Order = AllocateZeroPool (OrderSize);
  if (Order == NULL) {
    return ;
  }

  Status = gRT->GetVariable (
                  L"DriverOrder", 
                  &gEfiGlobalVariableGuid, 
                  NULL, 
                  &OrderSize, 
                  Order
                  );
  if (EFI_ERROR (Status)) {
    return ;
  }
  
  //
  // Initialize the container for dynamic opcodes.
  //
  StartOpCodeHandle = HiiAllocateOpCodeHandle ();
  ASSERT (StartOpCodeHandle != NULL);

  EndOpCodeHandle = HiiAllocateOpCodeHandle ();
  ASSERT (EndOpCodeHandle != NULL);

  //
  // Create Hii Extend Label OpCode.
  //
  StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (
                                        StartOpCodeHandle,
                                        &gEfiIfrTianoGuid,
                                        NULL,
                                        sizeof (EFI_IFR_GUID_LABEL)
                                        );
  StartLabel->ExtendOpCode  = EFI_IFR_EXTEND_OP_LABEL;
  StartLabel->Number        = LABEL_PERMIT_LOAD_FUNC;

  EndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (
                                      EndOpCodeHandle,
                                      &gEfiIfrTianoGuid,
                                      NULL,
                                      sizeof (EFI_IFR_GUID_LABEL)
                                      );
  EndLabel->ExtendOpCode  = EFI_IFR_EXTEND_OP_LABEL;
  EndLabel->Number        = LABEL_END;

  //
  // Add each driver option.
  //
  Var       = NULL;
  ListCount = OrderSize / sizeof (UINT16);
  for (Index = 0; Index < ListCount; Index++) {
    //
    // Get driver device path.
    //
    UnicodeSPrint (VarName, sizeof (VarName), L"Driver%04x", Order[Index]);
    Var = GetEfiGlobalVariable (VarName);
    if (Var == NULL) {
      continue;
    }
    
    //
    // Check whether the driver is already forbidden.
//.........这里部分代码省略.........

/**
  This function invokes Boot Manager. If all devices have not a chance to be connected,
  the connect all will be triggered. It then enumerate all boot options. If 
  a boot option from the Boot Manager page is selected, Boot Manager will boot
  from this boot option.
  
**/
VOID
UpdateBootManager (
  VOID
  )
{
  UINTN                         Index;
  EFI_BOOT_MANAGER_LOAD_OPTION  *BootOption;
  UINTN                         BootOptionCount;
  EFI_STRING_ID                 Token;
  CHAR16                        *HelpString;
  EFI_STRING_ID                 HelpToken;
  UINT16                        *TempStr;
  EFI_HII_HANDLE                HiiHandle;
  UINTN                         TempSize;
  VOID                          *StartOpCodeHandle;
  VOID                          *EndOpCodeHandle;
  EFI_IFR_GUID_LABEL            *StartLabel;
  EFI_IFR_GUID_LABEL            *EndLabel;
  UINT16                        DeviceType;
  BOOLEAN                       IsLegacyOption;
  BOOLEAN                       NeedEndOp;
  UINTN                         MaxLen;

  DeviceType = (UINT16) -1;

  EfiBootManagerConnectAll ();

  //
  // for better user experience
  // 1. User changes HD configuration (e.g.: unplug HDD), here we have a chance to remove the HDD boot option
  // 2. User enables/disables UEFI PXE, here we have a chance to add/remove EFI Network boot option
  //
  EfiBootManagerRefreshAllBootOption ();

  //
  // BdsDxe doesn't group the legacy boot options for the same device type
  // It's UI's choice.
  //
  GroupMultipleLegacyBootOption4SameType ();

  BootOption = EfiBootManagerGetLoadOptions (&BootOptionCount, LoadOptionTypeBoot);

  HiiHandle = gBootManagerPrivate.HiiHandle;

  //
  // Allocate space for creation of UpdateData Buffer
  //
  StartOpCodeHandle = HiiAllocateOpCodeHandle ();
  ASSERT (StartOpCodeHandle != NULL);

  EndOpCodeHandle = HiiAllocateOpCodeHandle ();
  ASSERT (EndOpCodeHandle != NULL);

  //
  // Create Hii Extend Label OpCode as the start opcode
  //
  StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (StartOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
  StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
  StartLabel->Number       = LABEL_BOOT_OPTION;

  //
  // Create Hii Extend Label OpCode as the end opcode
  //
  EndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (EndOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
  EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
  EndLabel->Number       = LABEL_BOOT_OPTION_END;
  mKeyInput = 0;
  NeedEndOp = FALSE;
  for (Index = 0; Index < BootOptionCount; Index++) {
    //
    // At this stage we are creating a menu entry, thus the Keys are reproduceable
    //
    mKeyInput++;

    //
    // Don't display the hidden/inactive boot option
    //
    if (((BootOption[Index].Attributes & LOAD_OPTION_HIDDEN) != 0) || ((BootOption[Index].Attributes & LOAD_OPTION_ACTIVE) == 0)) {
      continue;
    }

    //
    // Group the legacy boot option in the sub title created dynamically
    //
    IsLegacyOption = (BOOLEAN) (
                       (DevicePathType (BootOption[Index].FilePath) == BBS_DEVICE_PATH) &&
                       (DevicePathSubType (BootOption[Index].FilePath) == BBS_BBS_DP)
                       );

    if (!IsLegacyOption && NeedEndOp) {
      NeedEndOp = FALSE;
      HiiCreateEndOpCode (StartOpCodeHandle);
    }
//.........这里部分代码省略.........

/**
  Update the page's NV Map if user has changed the order
  a list. This list can be Boot Order or Driver Order.

  @param UpdatePageId    The form ID to be updated.
  @param OptionMenu      The new list.
  @param CallbackData    The BMM context data.

**/
VOID
UpdateOrderPage (
  IN UINT16                           UpdatePageId,