BootMaint.h revision 4fd606d1f5abe38e1f42c38de1d2e895166bd0f4
/** @file
Header file for boot maintenance module.
Copyright (c) 2004 - 2011, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _BOOT_MAINT_H_
#define _BOOT_MAINT_H_
#include "Bds.h"
#include "BBSsupport.h"
#include "FormGuid.h"
#include "FrontPage.h"
//
// Constants which are variable names used to access variables
//
#define VAR_CON_OUT_MODE L"ConOutMode"
//
// String Contant
//
#define STR_FLOPPY L"Floppy Drive #%02x"
#define STR_HARDDISK L"HardDisk Drive #%02x"
#define STR_CDROM L"ATAPI CDROM Drive #%02x"
#define STR_NET L"NET Drive #%02x"
#define STR_BEV L"BEV Drive #%02x"
#define STR_FLOPPY_HELP L"Select Floppy Drive #%02x"
#define STR_HARDDISK_HELP L"Select HardDisk Drive #%02x"
#define STR_CDROM_HELP L"Select ATAPI CDROM Drive #%02x"
#define STR_NET_HELP L"NET Drive #%02x"
#define STR_BEV_HELP L"BEV Drive #%02x"
//
// Variable created with this flag will be "Efi:...."
//
#define VAR_FLAG EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE
extern CHAR16 mFileExplorerStorageName[];
extern CHAR16 mBootMaintStorageName[];
//
// These are the VFR compiler generated data representing our VFR data.
//
//
// Below are the number of options in Baudrate, Databits,
// Parity and Stopbits selection for serial ports.
//
#define BM_COM_ATTR_BUADRATE 19
#define BM_COM_ATTR_DATABITS 4
#define BM_COM_ATTR_PARITY 5
#define BM_COM_ATTR_STOPBITS 3
//
// Callback function helper
//
#define BMM_CALLBACK_DATA_FROM_THIS(a) CR (a, BMM_CALLBACK_DATA, BmmConfigAccess, BMM_CALLBACK_DATA_SIGNATURE)
#define FE_CALLBACK_DATA_FROM_THIS(a) CR (a, BMM_CALLBACK_DATA, FeConfigAccess, BMM_CALLBACK_DATA_SIGNATURE)
//
// Enumeration type definition
//
typedef enum _TYPE_OF_TERMINAL {
TerminalTypePcAnsi = 0,
typedef enum _FILE_EXPLORER_STATE {
typedef enum _FILE_EXPLORER_DISPLAY_CONTEXT {
//
// All of the signatures that will be used in list structure
//
#define BM_LOAD_CONTEXT_SELECT 0x0
#define BM_CONSOLE_CONTEXT_SELECT 0x1
#define BM_FILE_CONTEXT_SELECT 0x2
#define BM_HANDLE_CONTEXT_SELECT 0x3
#define BM_TERMINAL_CONTEXT_SELECT 0x5
#define BM_CONSOLE_IN_CONTEXT_SELECT 0x6
#define BM_CONSOLE_OUT_CONTEXT_SELECT 0x7
#define BM_CONSOLE_ERR_CONTEXT_SELECT 0x8
#define BM_LEGACY_DEV_CONTEXT_SELECT 0x9
//
// Buffer size for update data
//
#define UPDATE_DATA_SIZE 0x100000
//
// Namespace of callback keys used in display and file system navigation
//
#define MAX_BBS_OFFSET 0xE000
#define NET_OPTION_OFFSET 0xD800
#define BEV_OPTION_OFFSET 0xD000
#define FD_OPTION_OFFSET 0xC000
#define HD_OPTION_OFFSET 0xB000
#define CD_OPTION_OFFSET 0xA000
#define FILE_OPTION_OFFSET 0x8000
#define FILE_OPTION_MASK 0x7FFF
#define HANDLE_OPTION_OFFSET 0x7000
#define CONSOLE_OPTION_OFFSET 0x6000
#define TERMINAL_OPTION_OFFSET 0x5000
#define CONFIG_OPTION_OFFSET 0x1200
#define KEY_VALUE_OFFSET 0x1100
#define FORM_ID_OFFSET 0x1000
//
// VarOffset that will be used to create question
// all these values are computed from the structure
// defined below
//
//
// Question Id of Zero is invalid, so add an offset to it
//
#define STRING_DEPOSITORY_NUMBER 8
///
/// Serial Ports attributes, first one is the value for
/// return from callback function, stringtoken is used to
/// display the value properly
///
typedef struct {
} COM_ATTR;
#pragma pack(1)
///
/// For each legacy boot option in BBS table, a corresponding Boot#### variables is created.
/// The structure saves the mapping relationship between #### and the index in the BBS table.
///
typedef struct {
#pragma pack()
typedef struct {
typedef struct {
typedef struct {
typedef struct {
typedef struct {
typedef struct {
typedef struct {
typedef struct {
typedef struct {
typedef struct {
//
// Shared callback data.
//
//
// BMM main formset callback data.
//
//
// File explorer formset callback data.
//
typedef struct _STRING_LIST_NODE STRING_LIST_NODE;
struct _STRING_LIST_NODE {
};
typedef struct _STRING_DEPOSITORY {
//
// #pragma pack()
//
// For initializing File System menu
//
/**
This function build the FsOptionMenu list which records all
available file system in the system. They includes all instances
of EFI_SIMPLE_FILE_SYSTEM_PROTOCOL, all instances of EFI_LOAD_FILE_SYSTEM
and all type of legacy boot device.
@param CallbackData BMM context data
@retval EFI_SUCCESS Success find the file system
@retval EFI_OUT_OF_RESOURCES Can not create menu entry
**/
);
/**
Find files under current directory
All files and sub-directories in current directory
will be stored in DirectoryMenu for future use.
@param CallbackData The BMM context data.
@param MenuEntry The Menu Entry.
@retval EFI_SUCCESS Get files from current dir successfully.
@return Other value if can't get files from current dir.
**/
);
/**
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.
**/
);
/**
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 The number of the Var Boot####.
**/
);
/**
Build up all DriverOptionMenu
@param CallbackData The BMM context data.
@return EFI_SUCESS The functin completes successfully.
@retval EFI_OUT_OF_RESOURCES Not enough memory to compete the operation.
**/
);
/**
Build the LegacyFDMenu LegacyHDMenu LegacyCDMenu according to LegacyBios.GetBbsInfo().
@retval EFI_SUCCESS The function complete successfully.
@retval EFI_OUT_OF_RESOURCES No enough memory to complete this function.
**/
);
/**
Free out resouce allocated from Legacy Boot Options.
**/
);
/**
Free resources allocated in Allocate Rountine.
@param FreeMenu Menu to be freed
**/
);
/**
Append file name to existing file name.
@param Str1 The existing file name
@param Str2 The file name to be appended
@return Allocate a new string to hold the appended result.
Caller is responsible to free the returned string.
**/
);
/**
Check whether current FileName point to a valid
Efi Image File.
@param FileName File need to be checked.
@retval TRUE Is Efi Image
@retval FALSE Not a valid Efi Image
**/
);
/**
Check whether current FileName point to a valid Efi Application
@param Dir Pointer to current Directory
@param FileName Pointer to current File name.
@retval TRUE Is a valid Efi Application
@retval FALSE not a valid Efi Application
**/
);
/**
Get the Option Number that has not been allocated for use.
@param Type The type of Option.
@return The available Option Number.
**/
);
/**
Get the Option Number for Boot#### that does not used.
@return The available Option Number.
**/
);
/**
Get the Option Number for Driver#### that does not used.
@return The unused Option Number.
**/
);
/**
Create a menu entry give a Menu type.
@param MenuType The Menu type to be created.
@retval NULL If failed to create the menu.
@return The menu.
**/
);
/**
Free up all resource allocated for a BM_MENU_ENTRY.
@param MenuEntry A pointer to BM_MENU_ENTRY.
**/
);
/**
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.
**/
);
//
// Locate all serial io devices for console
//
/**
Build a list containing all serial devices.
@retval EFI_SUCCESS The function complete successfully.
@retval EFI_UNSUPPORTED No serial ports present.
**/
);
//
// Initializing Console menu
//
/**
Build up ConsoleOutMenu, ConsoleInpMenu and ConsoleErrMenu
@retval EFI_SUCCESS The function always complete successfully.
**/
);
//
// Get current mode information
//
/**
Get mode number according to column and row
@param CallbackData The BMM context data.
**/
);
//
// Cleaning up console menu
//
/**
Free ConsoleOutMenu, ConsoleInpMenu and ConsoleErrMenu
@retval EFI_SUCCESS The function always complete successfully.
**/
);
/**
Update the device path that describing a terminal device
based on the new BaudRate, Data Bits, parity and Stop Bits
set.
@param DevicePath The devicepath protocol instance wanted to be updated.
**/
);
/**
Update the multi-instance device path of Terminal Device based on
the global TerminalMenu. If ChangeTernimal is TRUE, the terminal
device path in the Terminal Device in TerminalMenu is also updated.
@param DevicePath The multi-instance device path.
@param ChangeTerminal TRUE, then device path in the Terminal Device
in TerminalMenu is also updated; FALSE, no update.
@return EFI_SUCCESS The function completes successfully.
**/
);
//
// Variable operation by menu selection
//
/**
This function create a currently loaded Boot Option from
the BMM. It then appends this Boot Option to the end of
the "BootOrder" list. It also append this Boot Opotion to the end
of BootOptionMenu.
@param CallbackData The BMM context data.
@param NvRamMap The file explorer formset internal state.
@retval EFI_OUT_OF_RESOURCES If not enought memory to complete the operation.
@retval EFI_SUCCESS If function completes successfully.
**/
);
/**
Delete Boot Option that represent a Deleted state in BootOptionMenu.
After deleting this boot option, call Var_ChangeBootOrder to
make sure BootOrder is in valid state.
@retval EFI_SUCCESS If all boot load option EFI Variables corresponding to
BM_LOAD_CONTEXT marked for deletion is deleted
@return Others If failed to update the "BootOrder" variable after deletion.
**/
);
/**
After any operation on Boot####, there will be a discrepancy in BootOrder.
Since some are missing but in BootOrder, while some are present but are
not reflected by BootOrder. Then a function rebuild BootOrder from
scratch by content from BootOptionMenu is needed.
@retval EFI_SUCCESS The boot order is updated successfully.
@return other than EFI_SUCCESS if failed to change the "BootOrder" EFI Variable.
**/
);
/**
This function create a currently loaded Drive Option from
the BMM. It then appends this Driver Option to the end of
the "DriverOrder" list. It append this Driver Opotion to the end
of DriverOptionMenu.
@param CallbackData The BMM context data.
@param HiiHandle The HII handle associated with the BMM formset.
@param DescriptionData The description of this driver option.
@param OptionalData The optional load option.
@param ForceReconnect If to force reconnect.
@retval EFI_OUT_OF_RESOURCES If not enought memory to complete the operation.
@retval EFI_SUCCESS If function completes successfully.
**/
);
/**
Delete Load Option that represent a Deleted state in BootOptionMenu.
After deleting this Driver option, call Var_ChangeDriverOrder to
make sure DriverOrder is in valid state.
@retval EFI_SUCCESS Load Option is successfully updated.
@return Other value than EFI_SUCCESS if failed to update "Driver Order" EFI
Variable.
**/
);
/**
After any operation on Driver####, there will be a discrepancy in
DriverOrder. Since some are missing but in DriverOrder, while some
are present but are not reflected by DriverOrder. Then a function
rebuild DriverOrder from scratch by content from DriverOptionMenu is
needed.
@retval EFI_SUCCESS The driver order is updated successfully.
@return other than EFI_SUCCESS if failed to set the "DriverOrder" EFI Variable.
**/
);
/**
This function delete and build multi-instance device path ConIn
console device.
@retval EFI_SUCCESS The function complete successfully.
@return The EFI variable can not be saved. See gRT->SetVariable for detail return information.
**/
);
/**
This function delete and build multi-instance device path ConOut console device.
@retval EFI_SUCCESS The function complete successfully.
@return The EFI variable can not be saved. See gRT->SetVariable for detail return information.
**/
);
/**
This function delete and build multi-instance device path ErrOut console device.
@retval EFI_SUCCESS The function complete successfully.
@return The EFI variable can not be saved. See gRT->SetVariable for detail return information.
**/
);
/**
Update the device path of "ConOut", "ConIn" and "ErrOut" based on the new BaudRate, Data Bits,
parity and stop Bits set.
**/
);
/**
This function update the "BootNext" EFI Variable. If there is no "BootNex" specified in BMM,
this EFI Variable is deleted.
It also update the BMM context data specified the "BootNext" value.
@param CallbackData The BMM context data.
@retval EFI_SUCCESS The function complete successfully.
@return The EFI variable can not be saved. See gRT->SetVariable for detail return information.
**/
);
/**
This function update the "BootOrder" EFI Variable based on BMM Formset's NV map. It then refresh
BootOptionMenu with the new "BootOrder" list.
@param CallbackData The BMM context data.
@retval EFI_SUCCESS The function complete successfully.
@retval EFI_OUT_OF_RESOURCES Not enough memory to complete the function.
@return not The EFI variable can not be saved. See gRT->SetVariable for detail return information.
**/
);
/**
This function update the "DriverOrder" EFI Variable based on
BMM Formset's NV map. It then refresh DriverOptionMenu
with the new "DriverOrder" list.
@param CallbackData The BMM context data.
@retval EFI_SUCCESS The function complete successfully.
@retval EFI_OUT_OF_RESOURCES Not enough memory to complete the function.
@return The EFI variable can not be saved. See gRT->SetVariable for detail return information.
**/
);
/**
Update the legacy BBS boot option. VAR_LEGACY_DEV_ORDER and gEfiLegacyDevOrderVariableGuid EFI Variable
is udpated with the new Legacy Boot order. The EFI Variable of "Boot####" and gEfiGlobalVariableGuid
is also updated.
@param CallbackData The context data for BMM.
@return EFI_SUCCESS The function completed successfully.
@retval EFI_NOT_FOUND If VAR_LEGACY_DEV_ORDER and gEfiLegacyDevOrderVariableGuid EFI Variable can not be found.
**/
);
/**
Update the Text Mode of Console.
@param CallbackData The context data for BMM.
@retval EFI_SUCCSS If the Text Mode of Console is updated.
@return Other value if the Text Mode of Console is not updated.
**/
);
//
// Following are page create and refresh functions
//
/**
Refresh the global UpdateData structure.
**/
);
/**
Clean up the dynamic opcode at label and form specified by
both LabelId.
@param LabelId It is both the Form ID and Label ID for
opcode deletion.
@param CallbackData The BMM context data.
**/
);
/**
Create a lit of boot option from global BootOptionMenu. It
allow user to delete the boot option.
@param CallbackData The BMM context data.
**/
);
/**
Create a lit of driver option from global DriverMenu.
@param CallbackData The BMM context data.
**/
);
/**
Create a lit of driver option from global DriverOptionMenu. It
allow user to delete the driver option.
@param CallbackData The BMM context data.
**/
);
/**
Prepare the page to allow user to add description for a Driver Option.
@param CallbackData The BMM context data.
**/
);
/**
Dispatch the correct update page function to call based on the UpdatePageId.
@param UpdatePageId The form ID.
@param CallbackData The BMM context data.
**/
);
/**
Create the dynamic page to allow user to set the "BootNext" vaule.
@param CallbackData The BMM context data.
**/
);
/**
Create the dynamic page to allow user to set the "TimeOut" vaule.
@param CallbackData The BMM context data.
**/
);
/**
Create the dynamic page which allows user to set the property such as Baud Rate, Data Bits,
Parity, Stop Bits, Terminal Type.
@param CallbackData The BMM context data.
**/
);
/**
Refresh the text mode page
@param CallbackData The BMM context data.
**/
);
/**
Create a list of Goto Opcode for all terminal devices logged
by TerminaMenu. This list will be inserted to form FORM_CON_COM_SETUP_ID.
@param CallbackData The BMM context data.
**/
);
/**
Create a dynamic page so that Legacy Device boot order
can be set for specified device type.
@param UpdatePageId The form ID. It also spefies the legacy device type.
@param CallbackData The BMM context data.
**/
);
/**
Function opens and returns a file handle to the root directory of a volume.
@param DeviceHandle A handle for a device
@return A valid file handle or NULL is returned
**/
);
/**
Function gets the file system information from an open file descriptor,
and stores it in a buffer allocated from pool.
@param FHand The file handle.
@return A pointer to a buffer with file information.
NULL is returned if failed to get Vaolume Label Info.
**/
);
/**
Function gets the file information from an open file descriptor, and stores it
in a buffer allocated from pool.
@param FHand File Handle.
@return A pointer to a buffer with file information or NULL is returned
**/
);
/**
Find the first instance of this Protocol in the system and return it's interface.
@param ProtocolGuid Provides the protocol to search for
@param Interface On return, a pointer to the first interface
that matches ProtocolGuid
@retval EFI_SUCCESS A protocol instance matching ProtocolGuid was found
@retval EFI_NOT_FOUND No protocol instances were found that match ProtocolGuid
**/
);
/**
Adjusts the size of a previously allocated buffer.
@param OldPool A pointer to the buffer whose size is being adjusted.
@param OldSize The size of the current buffer.
@param NewSize The size of the new buffer.
@return The newly allocated buffer. if NULL, allocation failed.
**/
VOID*
);
/**
Function deletes the variable specified by VarName and VarGuid.
@param VarName A Null-terminated Unicode string that is
the name of the vendor's variable.
@param VarGuid A unique identifier for the vendor.
@retval EFI_SUCCESS The variable was found and removed
@retval EFI_UNSUPPORTED The variable store was inaccessible
@retval EFI_OUT_OF_RESOURCES The temporary buffer was not available
@retval EFI_NOT_FOUND The variable was not found
**/
);
/**
Duplicate a string.
@param Src The source.
@return A new string which is duplicated copy of the source.
@retval NULL If there is not enough memory.
**/
CHAR16 *
);
/**
Function is used to determine the number of device path instances
that exist in a device path.
@param DevicePath A pointer to a device path data structure.
@return This function counts and returns the number of device path instances
in DevicePath.
**/
);
/**
Create string tokens for a menu from its help strings and display strings
@param CallbackData The BMM context data.
@param HiiHandle Hii Handle of the package to be updated.
@param MenuOption The Menu whose string tokens need to be created
@retval EFI_SUCCESS string tokens created successfully
@retval others contain some errors
**/
);
/**
Get a string from the Data Hub record based on
a device path.
@param DevPath The device Path.
@return A string located from the Data Hub records based on
the device path.
@retval NULL If failed to get the String from Data Hub.
**/
UINT16 *
);
/**
Get the index number (#### in Boot####) for the boot option pointed to a BBS legacy device type
specified by DeviceType.
@param DeviceType The legacy device type. It can be floppy, network, harddisk, cdrom,
etc.
@param OptionIndex Returns the index number (#### in Boot####).
@param OptionSize Return the size of the Boot### variable.
**/
VOID *
);
/**
Initialize the Boot Maintenance Utitliy.
@retval EFI_SUCCESS utility ended successfully.
@retval others contain some errors.
**/
);
/**
Start boot maintenance manager
@retval EFI_SUCCESS If BMM is invoked successfully.
@return Other value if BMM return unsuccessfully.
**/
);
/**
Intialize all the string depositories.
**/
);
/**
Fetch a usable string node from the string depository and return the string token.
@param CallbackData The BMM context data.
@param StringDepository Pointer of the string depository.
@retval EFI_STRING_ID String token.
**/
);
/**
Reclaim string depositories by moving the current node pointer to list head..
**/
);
/**
Release resource for all the string depositories.
**/
);
/**
Function handling request to apply changes for BMM pages.
@param Private Pointer to callback data buffer.
@param CurrentFakeNVMap Pointer to buffer holding data of various values used by BMM
@param FormId ID of the form which has sent the request to apply change.
@retval EFI_SUCCESS Change successfully applied.
@retval Other Error occurs while trying to apply changes.
**/
);
/**
Discard all changes done to the BMM pages such as Boot Order change,
Driver order change.
@param Private The BMM context data.
@param CurrentFakeNVMap The current Fack NV Map.
**/
);
/**
Dispatch the display to the next page based on NewPageId.
@param Private The BMM context data.
@param NewPageId The original page ID.
**/
);
/**
Boot a file selected by user at File Expoloer of BMM.
@param FileContext The file context data, which contains the device path
of the file to be boot from.
@retval EFI_SUCCESS The function completed successfull.
@return Other value if the boot from the file fails.
**/
);
/**
Update the file explower page with the refershed file system.
@param CallbackData BMM context data
@param KeyValue Key value to identify the type of data to expect.
@retval TRUE Inform the caller to create a callback packet to exit file explorer.
@retval FALSE Indicate that there is no need to exit file explorer.
**/
);
/**
This function processes the results of changes in configuration.
When user select a interactive opcode, this callback will be triggered.
Based on the Question(QuestionId) that triggers the callback, the corresponding
actions is performed. It handles:
1) the addition of boot option.
2) the addition of driver option.
3) exit from file browser
4) update of file content if a dir is selected.
5) boot the file if a file is selected in "boot from file"
@param This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
@param Action Specifies the type of action taken by the browser.
@param QuestionId A unique value which is sent to the original exporting driver
so that it can identify the type of data to expect.
@param Type The type of value for the question.
@param Value A pointer to the data being sent to the original exporting driver.
@param ActionRequest On return, points to the action requested by the callback function.
@retval EFI_SUCCESS The callback successfully handled the action.
@retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the variable and its data.
@retval EFI_DEVICE_ERROR The variable could not be saved.
@retval EFI_UNSUPPORTED The specified Action is not supported by the callback.
**/
);
/**
Dispatch BMM formset and FileExplorer formset.
@param CallbackData The BMM context data.
@retval EFI_SUCCESS If function complete successfully.
@return Other value if the Setup Browser process BMM's pages and
return unsuccessfully.
**/
);
/**
Function returns the value of the specified variable.
@param Name A Null-terminated Unicode string that is
the name of the vendor's variable.
@param VendorGuid A unique identifier for the vendor.
@return The payload of the variable.
@retval NULL If the variable can't be read.
**/
VOID *
);
//
// Global variable in this program (defined in data.c)
//
extern BM_MENU_OPTION BootOptionMenu;
extern BM_MENU_OPTION DriverOptionMenu;
extern BM_MENU_OPTION FsOptionMenu;
extern BM_MENU_OPTION ConsoleInpMenu;
extern BM_MENU_OPTION ConsoleOutMenu;
extern BM_MENU_OPTION ConsoleErrMenu;
extern BM_MENU_OPTION DirectoryMenu;
extern BM_MENU_OPTION DriverMenu;
extern BM_MENU_OPTION TerminalMenu;
extern BM_MENU_OPTION LegacyFDMenu;
extern BM_MENU_OPTION LegacyHDMenu;
extern BM_MENU_OPTION LegacyCDMenu;
extern BM_MENU_OPTION LegacyNETMenu;
extern BM_MENU_OPTION LegacyBEVMenu;
extern UINT16 TerminalType[];
extern STRING_DEPOSITORY *FileOptionStrDepository;
extern STRING_DEPOSITORY *BootOptionStrDepository;
extern STRING_DEPOSITORY *TerminalStrDepository;
extern EFI_DEVICE_PATH_PROTOCOL EndDevicePath[];
//
// Shared IFR form update data
//
extern VOID *mStartOpCodeHandle;
extern VOID *mEndOpCodeHandle;
extern EFI_IFR_GUID_LABEL *mStartLabel;
extern EFI_IFR_GUID_LABEL *mEndLabel;
#endif