diff options
Diffstat (limited to 'IntelFrameworkModulePkg/Universal/BdsDxe/BootMaint/BootMaint.h')
| -rw-r--r-- | IntelFrameworkModulePkg/Universal/BdsDxe/BootMaint/BootMaint.h | 1612 |
1 files changed, 1612 insertions, 0 deletions
diff --git a/IntelFrameworkModulePkg/Universal/BdsDxe/BootMaint/BootMaint.h b/IntelFrameworkModulePkg/Universal/BdsDxe/BootMaint/BootMaint.h new file mode 100644 index 0000000000..2db13372af --- /dev/null +++ b/IntelFrameworkModulePkg/Universal/BdsDxe/BootMaint/BootMaint.h @@ -0,0 +1,1612 @@ +/** @file
+ Header file for boot maintenance module.
+
+Copyright (c) 2004 - 2008, Intel Corporation. <BR>
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef _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_LEGACY_DEV_ORDER L"LegacyDevOrder"
+
+#define VAR_CON_OUT_MODE L"ConOutMode"
+
+///
+/// Guid of a NV Variable which store the information about the
+/// FD/HD/CD/NET/BEV order
+///
+#define EFI_LEGACY_DEV_ORDER_VARIABLE_GUID \
+ { \
+ 0xa56074db, 0x65fe, 0x45f7, {0xbd, 0x21, 0x2d, 0x2b, 0xdd, 0x8e, 0x96, 0x52} \
+ }
+
+//
+// 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
+
+//
+// Define Maxmim characters that will be accepted
+//
+#define MAX_CHAR 480
+#define MAX_CHAR_SIZE (MAX_CHAR * 2)
+
+extern EFI_GUID mBootMaintGuid;
+extern EFI_GUID mFileExplorerGuid;
+
+//
+// These are the VFR compiler generated data representing our VFR data.
+//
+extern UINT8 BmBin[];
+extern UINT8 FEBin[];
+
+//
+// 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_SIGNATURE SIGNATURE_32 ('C', 'b', 'c', 'k')
+#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 UINT8 BBS_TYPE;
+
+typedef enum {
+ PC_ANSI = 0,
+ VT_100,
+ VT_100_PLUS,
+ VT_UTF8
+} TYPE_OF_TERMINAL;
+
+typedef enum {
+ COM1 = 0,
+ COM2,
+ UNKNOW_COM
+} TYPE_OF_COM;
+
+typedef enum {
+ CONIN = 0,
+ CONOUT,
+ CONERR,
+ UNKNOWN_CON
+} TYPE_OF_CON;
+
+typedef enum {
+ BAUDRATE = 0,
+ DATABITS,
+ PARITY,
+ STOPBITS,
+ UNKNOW_ATTR
+} TYPE_OF_ATTRIBUTE;
+
+typedef enum {
+ MANNER_GOTO = 0,
+ MANNER_CHECK,
+ MANNER_ONEOF,
+ MANNER_USER_DEFINE
+} TYPE_OF_UPATE_MANNER;
+
+typedef enum {
+ INACTIVE_STATE = 0,
+ BOOT_FROM_FILE_STATE,
+ ADD_BOOT_OPTION_STATE,
+ ADD_DRIVER_OPTION_STATE,
+ UNKNOWN_STATE
+} FILE_EXPLORER_STATE;
+
+typedef enum {
+ FILE_SYSTEM,
+ DIRECTORY,
+ UNKNOWN_CONTEXT
+} FILE_EXPLORER_DISPLAY_CONTEXT;
+
+//
+// All of the signatures that will be used in list structure
+//
+#define BM_MENU_OPTION_SIGNATURE SIGNATURE_32 ('m', 'e', 'n', 'u')
+#define BM_LOAD_OPTION_SIGNATURE SIGNATURE_32 ('l', 'o', 'a', 'd')
+#define BM_CONSOLE_OPTION_SIGNATURE SIGNATURE_32 ('c', 'n', 's', 'l')
+#define BM_FILE_OPTION_SIGNATURE SIGNATURE_32 ('f', 'i', 'l', 'e')
+#define BM_HANDLE_OPTION_SIGNATURE SIGNATURE_32 ('h', 'n', 'd', 'l')
+#define BM_TERMINAL_OPTION_SIGNATURE SIGNATURE_32 ('t', 'r', 'm', 'l')
+#define BM_MENU_ENTRY_SIGNATURE SIGNATURE_32 ('e', 'n', 't', 'r')
+
+#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
+//
+#define VAR_OFFSET(Field) ((UINT16) ((UINTN) &(((BMM_FAKE_NV_DATA *) 0)->Field)))
+
+//
+// Question Id of Zero is invalid, so add an offset to it
+//
+#define QUESTION_ID(Field) (VAR_OFFSET (Field) + CONFIG_OPTION_OFFSET)
+
+#define BOOT_TIME_OUT_VAR_OFFSET VAR_OFFSET (BootTimeOut)
+#define BOOT_NEXT_VAR_OFFSET VAR_OFFSET (BootNext)
+#define COM1_BAUD_RATE_VAR_OFFSET VAR_OFFSET (COM1BaudRate)
+#define COM1_DATA_RATE_VAR_OFFSET VAR_OFFSET (COM1DataRate)
+#define COM1_STOP_BITS_VAR_OFFSET VAR_OFFSET (COM1StopBits)
+#define COM1_PARITY_VAR_OFFSET VAR_OFFSET (COM1Parity)
+#define COM1_TERMINAL_VAR_OFFSET VAR_OFFSET (COM2TerminalType)
+#define COM2_BAUD_RATE_VAR_OFFSET VAR_OFFSET (COM2BaudRate)
+#define COM2_DATA_RATE_VAR_OFFSET VAR_OFFSET (COM2DataRate)
+#define COM2_STOP_BITS_VAR_OFFSET VAR_OFFSET (COM2StopBits)
+#define COM2_PARITY_VAR_OFFSET VAR_OFFSET (COM2Parity)
+#define COM2_TERMINAL_VAR_OFFSET VAR_OFFSET (COM2TerminalType)
+#define DRV_ADD_HANDLE_DESC_VAR_OFFSET VAR_OFFSET (DriverAddHandleDesc)
+#define DRV_ADD_ACTIVE_VAR_OFFSET VAR_OFFSET (DriverAddActive)
+#define DRV_ADD_RECON_VAR_OFFSET VAR_OFFSET (DriverAddForceReconnect)
+#define CON_IN_COM1_VAR_OFFSET VAR_OFFSET (ConsoleInputCOM1)
+#define CON_IN_COM2_VAR_OFFSET VAR_OFFSET (ConsoleInputCOM2)
+#define CON_OUT_COM1_VAR_OFFSET VAR_OFFSET (ConsoleOutputCOM1)
+#define CON_OUT_COM2_VAR_OFFSET VAR_OFFSET (ConsoleOutputCOM2)
+#define CON_ERR_COM1_VAR_OFFSET VAR_OFFSET (ConsoleErrorCOM1)
+#define CON_ERR_COM2_VAR_OFFSET VAR_OFFSET (ConsoleErrorCOM2)
+#define CON_MODE_VAR_OFFSET VAR_OFFSET (ConsoleOutMode)
+#define CON_DEVICE_VAR_OFFSET VAR_OFFSET (ConsoleCheck)
+#define OPTION_ORDER_VAR_OFFSET VAR_OFFSET (OptionOrder)
+#define DRIVER_OPTION_ORDER_VAR_OFFSET VAR_OFFSET (DriverOptionToBeDeleted)
+#define BOOT_OPTION_DEL_VAR_OFFSET VAR_OFFSET (BootOptionDel)
+#define DRIVER_OPTION_DEL_VAR_OFFSET VAR_OFFSET (DriverOptionDel)
+#define DRIVER_ADD_OPTION_VAR_OFFSET VAR_OFFSET (DriverAddHandleOptionalData)
+#define COM_BAUD_RATE_VAR_OFFSET VAR_OFFSET (COMBaudRate)
+#define COM_DATA_RATE_VAR_OFFSET VAR_OFFSET (COMDataRate)
+#define COM_STOP_BITS_VAR_OFFSET VAR_OFFSET (COMStopBits)
+#define COM_PARITY_VAR_OFFSET VAR_OFFSET (COMParity)
+#define COM_TERMINAL_VAR_OFFSET VAR_OFFSET (COMTerminalType)
+#define LEGACY_FD_VAR_OFFSET VAR_OFFSET (LegacyFD)
+#define LEGACY_HD_VAR_OFFSET VAR_OFFSET (LegacyHD)
+#define LEGACY_CD_VAR_OFFSET VAR_OFFSET (LegacyCD)
+#define LEGACY_NET_VAR_OFFSET VAR_OFFSET (LegacyNET)
+#define LEGACY_BEV_VAR_OFFSET VAR_OFFSET (LegacyBEV)
+
+#define BOOT_TIME_OUT_QUESTION_ID QUESTION_ID (BootTimeOut)
+#define BOOT_NEXT_QUESTION_ID QUESTION_ID (BootNext)
+#define COM1_BAUD_RATE_QUESTION_ID QUESTION_ID (COM1BaudRate)
+#define COM1_DATA_RATE_QUESTION_ID QUESTION_ID (COM1DataRate)
+#define COM1_STOP_BITS_QUESTION_ID QUESTION_ID (COM1StopBits)
+#define COM1_PARITY_QUESTION_ID QUESTION_ID (COM1Parity)
+#define COM1_TERMINAL_QUESTION_ID QUESTION_ID (COM2TerminalType)
+#define COM2_BAUD_RATE_QUESTION_ID QUESTION_ID (COM2BaudRate)
+#define COM2_DATA_RATE_QUESTION_ID QUESTION_ID (COM2DataRate)
+#define COM2_STOP_BITS_QUESTION_ID QUESTION_ID (COM2StopBits)
+#define COM2_PARITY_QUESTION_ID QUESTION_ID (COM2Parity)
+#define COM2_TERMINAL_QUESTION_ID QUESTION_ID (COM2TerminalType)
+#define DRV_ADD_HANDLE_DESC_QUESTION_ID QUESTION_ID (DriverAddHandleDesc)
+#define DRV_ADD_ACTIVE_QUESTION_ID QUESTION_ID (DriverAddActive)
+#define DRV_ADD_RECON_QUESTION_ID QUESTION_ID (DriverAddForceReconnect)
+#define CON_IN_COM1_QUESTION_ID QUESTION_ID (ConsoleInputCOM1)
+#define CON_IN_COM2_QUESTION_ID QUESTION_ID (ConsoleInputCOM2)
+#define CON_OUT_COM1_QUESTION_ID QUESTION_ID (ConsoleOutputCOM1)
+#define CON_OUT_COM2_QUESTION_ID QUESTION_ID (ConsoleOutputCOM2)
+#define CON_ERR_COM1_QUESTION_ID QUESTION_ID (ConsoleErrorCOM1)
+#define CON_ERR_COM2_QUESTION_ID QUESTION_ID (ConsoleErrorCOM2)
+#define CON_MODE_QUESTION_ID QUESTION_ID (ConsoleOutMode)
+#define CON_DEVICE_QUESTION_ID QUESTION_ID (ConsoleCheck)
+#define OPTION_ORDER_QUESTION_ID QUESTION_ID (OptionOrder)
+#define DRIVER_OPTION_ORDER_QUESTION_ID QUESTION_ID (DriverOptionToBeDeleted)
+#define BOOT_OPTION_DEL_QUESTION_ID QUESTION_ID (BootOptionDel)
+#define DRIVER_OPTION_DEL_QUESTION_ID QUESTION_ID (DriverOptionDel)
+#define DRIVER_ADD_OPTION_QUESTION_ID QUESTION_ID (DriverAddHandleOptionalData)
+#define COM_BAUD_RATE_QUESTION_ID QUESTION_ID (COMBaudRate)
+#define COM_DATA_RATE_QUESTION_ID QUESTION_ID (COMDataRate)
+#define COM_STOP_BITS_QUESTION_ID QUESTION_ID (COMStopBits)
+#define COM_PARITY_QUESTION_ID QUESTION_ID (COMParity)
+#define COM_TERMINAL_QUESTION_ID QUESTION_ID (COMTerminalType)
+#define LEGACY_FD_QUESTION_ID QUESTION_ID (LegacyFD)
+#define LEGACY_HD_QUESTION_ID QUESTION_ID (LegacyHD)
+#define LEGACY_CD_QUESTION_ID QUESTION_ID (LegacyCD)
+#define LEGACY_NET_QUESTION_ID QUESTION_ID (LegacyNET)
+#define LEGACY_BEV_QUESTION_ID QUESTION_ID (LegacyBEV)
+
+#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 {
+ UINTN Value;
+ UINT16 StringToken;
+} COM_ATTR;
+
+#pragma pack(1)
+typedef struct {
+ BBS_TYPE BbsType;
+ ///
+ /// Length = sizeof (UINT16) + SIZEOF (Data)
+ ///
+ UINT16 Length;
+ UINT16 *Data;
+} BM_LEGACY_DEV_ORDER_CONTEXT;
+#pragma pack()
+
+typedef struct {
+ UINT64 BaudRate;
+ UINT8 DataBits;
+ UINT8 Parity;
+ UINT8 StopBits;
+
+ UINT8 BaudRateIndex;
+ UINT8 DataBitsIndex;
+ UINT8 ParityIndex;
+ UINT8 StopBitsIndex;
+
+ UINT8 IsConIn;
+ UINT8 IsConOut;
+ UINT8 IsStdErr;
+ UINT8 TerminalType;
+
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+} BM_TERMINAL_CONTEXT;
+
+typedef struct {
+ BOOLEAN IsBootNext;
+ BOOLEAN LoadOptionModified;
+ BOOLEAN Deleted;
+
+ BOOLEAN IsLegacy;
+ BOOLEAN IsActive;
+ BOOLEAN ForceReconnect;
+ UINTN OptionalDataSize;
+
+ UINTN LoadOptionSize;
+ UINT8 *LoadOption;
+
+ UINT32 Attributes;
+ UINT16 FilePathListLength;
+ UINT16 *Description;
+ EFI_DEVICE_PATH_PROTOCOL *FilePathList;
+ UINT8 *OptionalData;
+
+ UINT16 BbsIndex;
+} BM_LOAD_CONTEXT;
+
+typedef struct {
+ BBS_TABLE *BbsTable;
+ UINTN Index;
+ UINTN BbsCount;
+ UINT16 *Description;
+} BM_LEGACY_DEVICE_CONTEXT;
+
+typedef struct {
+
+ BOOLEAN IsActive;
+
+ BOOLEAN IsTerminal;
+
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+} BM_CONSOLE_CONTEXT;
+
+typedef struct {
+ UINTN Column;
+ UINTN Row;
+} CONSOLE_OUT_MODE;
+
+typedef struct {
+ EFI_HANDLE Handle;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ EFI_FILE_HANDLE FHandle;
+ UINT16 *FileName;
+ EFI_FILE_SYSTEM_VOLUME_LABEL *Info;
+
+ BOOLEAN IsRoot;
+ BOOLEAN IsDir;
+ BOOLEAN IsRemovableMedia;
+ BOOLEAN IsLoadFile;
+ BOOLEAN IsBootLegacy;
+} BM_FILE_CONTEXT;
+
+typedef struct {
+ EFI_HANDLE Handle;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+} BM_HANDLE_CONTEXT;
+
+typedef struct {
+ UINTN Signature;
+ LIST_ENTRY Head;
+ UINTN MenuNumber;
+} BM_MENU_OPTION;
+
+typedef struct {
+ UINTN Signature;
+ LIST_ENTRY Link;
+ UINTN OptionNumber;
+ UINT16 *DisplayString;
+ UINT16 *HelpString;
+ EFI_STRING_ID DisplayStringToken;
+ EFI_STRING_ID HelpStringToken;
+ UINTN ContextSelection;
+ VOID *VariableContext;
+} BM_MENU_ENTRY;
+
+typedef struct {
+ //
+ // Shared callback data.
+ //
+ UINTN Signature;
+
+ BM_MENU_ENTRY *MenuEntry;
+ BM_HANDLE_CONTEXT *HandleContext;
+ BM_FILE_CONTEXT *FileContext;
+ BM_LOAD_CONTEXT *LoadContext;
+ BM_TERMINAL_CONTEXT *TerminalContext;
+ UINTN CurrentTerminal;
+ BBS_TYPE BbsType;
+
+ //
+ // BMM main formset callback data.
+ //
+ EFI_HII_HANDLE BmmHiiHandle;
+ EFI_HANDLE BmmDriverHandle;
+ EFI_HII_CONFIG_ACCESS_PROTOCOL BmmConfigAccess;
+ EFI_FORM_ID BmmCurrentPageId;
+ EFI_FORM_ID BmmPreviousPageId;
+ BOOLEAN BmmAskSaveOrNot;
+ BMM_FAKE_NV_DATA BmmFakeNvData;
+ BMM_FAKE_NV_DATA BmmOldFakeNVData;
+
+ //
+ // File explorer formset callback data.
+ //
+ EFI_HII_HANDLE FeHiiHandle;
+ EFI_HANDLE FeDriverHandle;
+ EFI_HII_CONFIG_ACCESS_PROTOCOL FeConfigAccess;
+ FILE_EXPLORER_STATE FeCurrentState;
+ FILE_EXPLORER_DISPLAY_CONTEXT FeDisplayContext;
+ FILE_EXPLORER_NV_DATA FeFakeNvData;
+} BMM_CALLBACK_DATA;
+
+typedef struct _STRING_LIST_NODE {
+ EFI_STRING_ID StringToken;
+ struct _STRING_LIST_NODE *Next;
+} STRING_LIST_NODE;
+
+typedef struct _STRING_DEPOSITORY {
+ UINTN TotalNodeNumber;
+ STRING_LIST_NODE *CurrentNode;
+ STRING_LIST_NODE *ListHead;
+} 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
+
+**/
+EFI_STATUS
+BOpt_FindFileSystem (
+ IN BMM_CALLBACK_DATA *CallbackData
+ );
+
+/**
+ 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.
+
+**/
+EFI_STATUS
+BOpt_FindFiles (
+ IN BMM_CALLBACK_DATA *CallbackData,
+ IN BM_MENU_ENTRY *MenuEntry
+ );
+
+/**
+
+ 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
+ );
+
+/**
+
+ 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####.
+
+**/
+EFI_STATUS
+BOpt_GetBootOptions (
+ IN BMM_CALLBACK_DATA *CallbackData
+ );
+
+/**
+
+ 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.
+
+
+**/
+EFI_STATUS
+BOpt_GetDriverOptions (
+ IN BMM_CALLBACK_DATA *CallbackData
+ );
+
+
+/**
+ 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.
+
+**/
+EFI_STATUS
+BOpt_GetLegacyOptions (
+ VOID
+ );
+
+/**
+ Free out resouce allocated from Legacy Boot Options.
+
+**/
+VOID
+BOpt_FreeLegacyOptions (
+ VOID
+ );
+
+/**
+ Free resources allocated in Allocate Rountine.
+
+ @param FreeMenu Menu to be freed
+
+**/
+VOID
+BOpt_FreeMenu (
+ BM_MENU_OPTION *FreeMenu
+ );
+
+
+/**
+
+ 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.
+
+**/
+CHAR16*
+BOpt_AppendFileName (
+ IN CHAR16 *Str1,
+ IN CHAR16 *Str2
+ );
+
+/**
+
+ 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
+
+**/
+BOOLEAN
+BOpt_IsEfiImageName (
+ IN UINT16 *FileName
+ );
+
+/**
+
+ 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
+
+**/
+BOOLEAN
+BOpt_IsEfiApp (
+ IN EFI_FILE_HANDLE Dir,
+ IN UINT16 *FileName
+ );
+
+/**
+
+ Get the Option Number that has not been allocated for use.
+
+ @return The available Option Number.
+
+**/
+UINT16
+BOpt_GetBootOptionNumber (
+ VOID
+ );
+
+/**
+
+ Get the Option Number that is not in use.
+
+ @return The unused Option Number.
+
+**/
+UINT16
+BOpt_GetDriverOptionNumber (
+ VOID
+ );
+
+/**
+ 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.
+
+**/
+BM_MENU_ENTRY *
+BOpt_CreateMenuEntry (
+ UINTN MenuType
+ );
+
+/**
+ 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
+ );
+
+/**
+ 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
+ );
+
+//
+// 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.
+
+**/
+EFI_STATUS
+LocateSerialIo (
+ VOID
+ );
+
+//
+// Initializing Console menu
+//
+/**
+ Build up ConsoleOutMenu, ConsoleInpMenu and ConsoleErrMenu
+
+ @retval EFI_SUCCESS The function always complete successfully.
+
+**/
+EFI_STATUS
+GetAllConsoles(
+ VOID
+ );
+
+//
+// Get current mode information
+//
+/**
+ Get mode number according to column and row
+
+ @param CallbackData The BMM context data.
+**/
+VOID
+GetConsoleOutMode (
+ IN BMM_CALLBACK_DATA *CallbackData
+ );
+
+//
+// Cleaning up console menu
+//
+/**
+ Free ConsoleOutMenu, ConsoleInpMenu and ConsoleErrMenu
+
+ @retval EFI_SUCCESS The function always complete successfully.
+**/
+EFI_STATUS
+FreeAllConsoles (
+ VOID
+ );
+
+/**
+ 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.
+
+**/
+VOID
+ChangeVariableDevicePath (
+ IN OUT EFI_DEVICE_PATH_PROTOCOL *DevicePath
+ );
+
+/**
+ 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.
+
+**/
+EFI_STATUS
+ChangeTerminalDevicePath (
+ IN OUT EFI_DEVICE_PATH_PROTOCOL *DevicePath,
+ IN BOOLEAN ChangeTerminal
+ );
+
+//
+// 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.
+
+**/
+EFI_STATUS
+Var_UpdateBootOption (
+ IN BMM_CALLBACK_DATA *CallbackData,
+ IN FILE_EXPLORER_NV_DATA *NvRamMap
+ );
+
+/**
+ 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.
+
+**/
+EFI_STATUS
+Var_DelBootOption (
+ VOID
+ );
+
+/**
+ 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.
+
+**/
+EFI_STATUS
+Var_ChangeBootOrder (
+ VOID
+ );
+
+/**
+ 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.
+
+**/
+EFI_STATUS
+Var_UpdateDriverOption (
+ IN BMM_CALLBACK_DATA *CallbackData,
+ IN EFI_HII_HANDLE HiiHandle,
+ IN UINT16 *DescriptionData,
+ IN UINT16 *OptionalData,
+ IN UINT8 ForceReconnect
+ );
+
+/**
+ 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.
+
+**/
+EFI_STATUS
+Var_DelDriverOption (
+ VOID
+ );
+
+/**
+ 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.
+
+**/
+EFI_STATUS
+Var_ChangeDriverOrder (
+ VOID
+ );
+
+/**
+ 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.
+**/
+EFI_STATUS
+Var_UpdateConsoleInpOption (
+ VOID
+ );
+
+/**
+ 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.
+**/
+EFI_STATUS
+Var_UpdateConsoleOutOption (
+ VOID
+ );
+
+/**
+ 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.
+**/
+EFI_STATUS
+Var_UpdateErrorOutOption (
+ VOID
+ );
+
+/**
+ Update the device path of "ConOut", "ConIn" and "ErrOut" based on the new BaudRate, Data Bits,
+ parity and stop Bits set.
+
+**/
+VOID
+Var_UpdateAllConsoleOption (
+ VOID
+ );
+
+/**
+ 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.
+
+**/
+EFI_STATUS
+Var_UpdateBootNext (
+ IN BMM_CALLBACK_DATA *CallbackData
+ );
+
+/**
+ 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.
+
+**/
+EFI_STATUS
+Var_UpdateBootOrder (
+ IN BMM_CALLBACK_DATA *CallbackData
+ );
+
+/**
+ 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.
+
+**/
+EFI_STATUS
+Var_UpdateDriverOrder (
+ IN BMM_CALLBACK_DATA *CallbackData
+ );
+
+/**
+ Update the legacy BBS boot option. L"LegacyDevOrder" and EfiLegacyDevOrderGuid 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 L"LegacyDevOrder" and EfiLegacyDevOrderGuid EFI Variable can not be found.
+
+**/
+EFI_STATUS
+Var_UpdateBBSOption (
+ IN BMM_CALLBACK_DATA *CallbackData
+ );
+
+/**
+ 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.
+
+**/
+EFI_STATUS
+Var_UpdateConMode (
+ IN BMM_CALLBACK_DATA *CallbackData
+ );
+
+//
+// Following are page create and refresh functions
+//
+/**
+ Refresh the global UpdateData structure.
+
+**/
+VOID
+RefreshUpdateData (
+ VOID
+ );
+
+/**
+ 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.
+
+**/
+VOID
+CleanUpPage (
+ IN UINT16 LabelId,
+ IN BMM_CALLBACK_DATA *CallbackData
+ );
+
+/**
+ Create a lit of boot option from global BootOptionMenu. It
+ allow user to delete the boot option.
+
+ @param CallbackData The BMM context data.
+
+**/
+VOID
+UpdateBootDelPage (
+ IN BMM_CALLBACK_DATA *CallbackData
+ );
+
+/**
+ Create a lit of driver option from global DriverMenu.
+
+ @param CallbackData The BMM context data.
+**/
+VOID
+UpdateDrvAddHandlePage (
+ IN BMM_CALLBACK_DATA *CallbackData
+ );
+
+/**
+ Create a lit of driver option from global DriverOptionMenu. It
+ allow user to delete the driver option.
+
+ @param CallbackData The BMM context data.
+**/
+VOID
+UpdateDrvDelPage (
+ IN BMM_CALLBACK_DATA *CallbackData
+ );
+
+/**
+ Prepare the page to allow user to add description for a Driver Option.
+
+ @param CallbackData The BMM context data.
+**/
+VOID
+UpdateDriverAddHandleDescPage (
+ IN BMM_CALLBACK_DATA *CallbackData
+ );
+
+/**
+ Dispatch the correct update page function to call based on the UpdatePageId.
+
+ @param UpdatePageId The form ID.
+ @param CallbackData The BMM context data.
+**/
+VOID
+UpdatePageBody (
+ IN UINT16 UpdatePageId,
+ IN BMM_CALLBACK_DATA *CallbackData
+ );
+
+/**
+ Create the dynamic page to allow user to set the "BootNext" vaule.
+
+ @param CallbackData The BMM context data.
+**/
+VOID
+UpdateBootNextPage (
+ IN BMM_CALLBACK_DATA *CallbackData
+ );
+
+/**
+ Create the dynamic page to allow user to set the "TimeOut" vaule.
+
+ @param CallbackData The BMM context data.
+**/
+VOID
+UpdateTimeOutPage (
+ IN BMM_CALLBACK_DATA *CallbackData
+ );
+
+/**
+ 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.
+**/
+VOID
+UpdateTerminalPage (
+ IN BMM_CALLBACK_DATA *CallbackData
+ );
+
+/**
+ Refresh the text mode page
+
+ @param CallbackData The BMM context data.
+**/
+VOID
+UpdateConModePage (
+ IN BMM_CALLBACK_DATA *CallbackData
+ );
+
+/**
+ 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.
+**/
+VOID
+UpdateConCOMPage (
+ IN BMM_CALLBACK_DATA *CallbackData
+ );
+
+/**
+ 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.
+**/
+VOID
+UpdateSetLegacyDeviceOrderPage (
+ IN UINT16 UpdatePageId,
+ IN BMM_CALLBACK_DATA *CallbackData
+ );
+
+
+/**
+ 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
+**/
+EFI_FILE_HANDLE
+EfiLibOpenRoot (
+ IN EFI_HANDLE DeviceHandle
+ );
+
+/**
+ 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.
+**/
+EFI_FILE_SYSTEM_VOLUME_LABEL *
+EfiLibFileSystemVolumeLabelInfo (
+ IN EFI_FILE_HANDLE FHand
+ );
+
+/**
+
+ 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
+
+**/
+EFI_FILE_INFO *
+EfiLibFileInfo (
+ IN EFI_FILE_HANDLE FHand
+ );
+
+/**
+ This function converts an input device structure to a Unicode string.
+
+ @param DevPath A pointer to the device path structure.
+
+ @return A new allocated Unicode string that represents the device path.
+
+**/
+CHAR16 *
+DevicePathToStr (
+ EFI_DEVICE_PATH_PROTOCOL *DevPath
+ );
+
+/**
+ 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
+
+**/
+EFI_STATUS
+EfiLibLocateProtocol (
+ IN EFI_GUID *ProtocolGuid,
+ OUT VOID **Interface
+ );
+
+/**
+ 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*
+EfiReallocatePool (
+ IN VOID *OldPool,
+ IN UINTN OldSize,
+ IN UINTN NewSize
+ );
+
+/**
+ Read the EFI variable (VendorGuid/Name) and return a dynamically allocated
+ buffer, and the size of the buffer. If failure return NULL.
+
+ @param Name String part of EFI variable name
+ @param VendorGuid GUID part of EFI variable name
+ @param VarSize Returns the size of the EFI variable that was read
+
+ @return Dynamically allocated memory that contains a copy of the EFI variable.
+ @return Caller is responsible freeing the buffer.
+ @retval NULL Variable was not read
+
+**/
+VOID *
+BdsLibGetVariableAndSize (
+ IN CHAR16 *Name,
+ IN EFI_GUID *VendorGuid,
+ OUT UINTN *VarSize
+ );
+
+/**
+ 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
+
+**/
+EFI_STATUS
+EfiLibDeleteVariable (
+ IN CHAR16 *VarName,
+ IN EFI_GUID *VarGuid
+ );
+
+/**
+ 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 *
+EfiStrDuplicate (
+ IN CHAR16 *Src
+ );
+
+/**
+ 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.
+
+**/
+UINTN
+EfiDevicePathInstanceCount (
+ IN EFI_DEVICE_PATH_PROTOCOL *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
+
+**/
+EFI_STATUS
+CreateMenuStringToken (
+ IN BMM_CALLBACK_DATA *CallbackData,
+ IN EFI_HII_HANDLE HiiHandle,
+ IN BM_MENU_OPTION *MenuOption
+ );
+
+/**
+ 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 *
+EfiLibStrFromDatahub (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevPath
+ );
+
+/**
+ 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 *
+GetLegacyBootOptionVar (
+ IN UINTN DeviceType,
+ OUT UINTN *OptionIndex,
+ OUT UINTN *OptionSize
+ );
+
+/**
+ Initialize the Boot Maintenance Utitliy.
+
+ @retval EFI_SUCCESS utility ended successfully.
+ @retval others contain some errors.
+
+**/
+EFI_STATUS
+InitializeBM (
+ VOID
+ );
+
+/**
+ Start boot maintenance manager
+
+ @retval EFI_SUCCESS If BMM is invoked successfully.
+ @return Other value if BMM return unsuccessfully.
+
+**/
+EFI_STATUS
+BdsStartBootMaint (
+ VOID
+ );
+
+/**
+ Intialize all the string depositories.
+
+**/
+VOID
+InitializeStringDepository (
+ VOID
+ );
+
+/**
+ 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.
+
+**/
+EFI_STRING_ID
+GetStringTokenFromDepository (
+ IN BMM_CALLBACK_DATA *CallbackData,
+ IN STRING_DEPOSITORY *StringDepository
+ );
+
+/**
+ Reclaim string depositories by moving the current node pointer to list head..
+**/
+VOID
+ReclaimStringDepository (
+ VOID
+ );
+
+/**
+ Release resource for all the string depositories.
+
+**/
+VOID
+CleanUpStringDepository (
+ VOID
+ );
+
+/**
+ 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.
+
+**/
+EFI_STATUS
+ApplyChangeHandler (
+ IN BMM_CALLBACK_DATA *Private,
+ IN BMM_FAKE_NV_DATA *CurrentFakeNVMap,
+ IN EFI_FORM_ID FormId
+ );
+
+/**
+ 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.
+
+**/
+VOID
+DiscardChangeHandler (
+ IN BMM_CALLBACK_DATA *Private,
+ IN BMM_FAKE_NV_DATA *CurrentFakeNVMap
+ );
+
+/**
+ Dispatch the display to the next page based on NewPageId.
+
+ @param Private The BMM context data.
+ @param NewPageId The original page ID.
+
+**/
+VOID
+UpdatePageId (
+ BMM_CALLBACK_DATA *Private,
+ UINT16 NewPageId
+ );
+
+/**
+ 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.
+
+**/
+EFI_STATUS
+BootThisFile (
+ IN BM_FILE_CONTEXT *FileContext
+ );
+
+/**
+ 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.
+
+**/
+BOOLEAN
+UpdateFileExplorer (
+ IN BMM_CALLBACK_DATA *CallbackData,
+ IN UINT16 KeyValue
+ );
+
+/**
+ 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.
+
+**/
+EFI_STATUS
+EFIAPI
+FileExplorerCallback (
+ IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
+ IN EFI_BROWSER_ACTION Action,
+ IN EFI_QUESTION_ID QuestionId,
+ IN UINT8 Type,
+ IN EFI_IFR_TYPE_VALUE *Value,
+ OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest
+ );
+
+/**
+ 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.
+
+**/
+EFI_STATUS
+FormSetDispatcher (
+ IN BMM_CALLBACK_DATA *CallbackData
+ );
+
+/**
+ 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 *
+EfiLibGetVariable (
+ IN CHAR16 *Name,
+ IN EFI_GUID *VendorGuid
+ );
+
+//
+// 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 COM_ATTR BaudRateList[19];
+extern COM_ATTR DataBitsList[4];
+extern COM_ATTR ParityList[5];
+extern COM_ATTR StopBitsList[3];
+extern EFI_GUID TerminalTypeGuid[4];
+extern EFI_HII_UPDATE_DATA gUpdateData;
+extern STRING_DEPOSITORY *FileOptionStrDepository;
+extern STRING_DEPOSITORY *ConsoleOptionStrDepository;
+extern STRING_DEPOSITORY *BootOptionStrDepository;
+extern STRING_DEPOSITORY *BootOptionHelpStrDepository;
+extern STRING_DEPOSITORY *DriverOptionStrDepository;
+extern STRING_DEPOSITORY *DriverOptionHelpStrDepository;
+extern STRING_DEPOSITORY *TerminalStrDepository;
+extern EFI_DEVICE_PATH_PROTOCOL EndDevicePath[];
+extern EFI_GUID EfiLegacyDevOrderGuid;
+
+#endif
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