[mirror_edk2.git] / MdeModulePkg / Application / UiApp / BootMaint / UpdatePage.c

/** @file\r
Dynamically update the pages.\r
\r
Copyright (c) 2004 - 2015, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution.  The full text of the license may be found at\r
http://opensource.org/licenses/bsd-license.php\r
\r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
#include "BootMaint.h"\r
\r
/**\r
  Refresh the global UpdateData structure.\r
\r
**/\r
VOID\r
RefreshUpdateData (\r
  VOID\r
  )\r
{\r
  //\r
  // Free current updated date\r
  //  \r
  if (mStartOpCodeHandle != NULL) {\r
    HiiFreeOpCodeHandle (mStartOpCodeHandle);\r
  }\r
\r
  //\r
  // Create new OpCode Handle\r
  //\r
  mStartOpCodeHandle = HiiAllocateOpCodeHandle ();\r
\r
  //\r
  // Create Hii Extend Label OpCode as the start opcode\r
  //\r
  mStartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (mStartOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));\r
  mStartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r
\r
}\r
\r
/**\r
  Add a "Go back to main page" tag in front of the form when there are no\r
  "Apply changes" and "Discard changes" tags in the end of the form.\r
 \r
  @param CallbackData    The BMM context data.\r
\r
**/\r
VOID\r
UpdatePageStart (\r
  IN BMM_CALLBACK_DATA                *CallbackData\r
  )\r
{\r
  RefreshUpdateData ();\r
  mStartLabel->Number = CallbackData->BmmCurrentPageId;\r
\r
  if (!(CallbackData->BmmAskSaveOrNot)) {\r
    //\r
    // Add a "Go back to main page" tag in front of the form when there are no\r
    // "Apply changes" and "Discard changes" tags in the end of the form.\r
    //\r
    HiiCreateGotoOpCode (\r
      mStartOpCodeHandle,\r
      FORM_MAIN_ID,\r
      STRING_TOKEN (STR_FORM_GOTO_MAIN),\r
      STRING_TOKEN (STR_FORM_GOTO_MAIN),\r
      0,\r
      FORM_MAIN_ID\r
      );\r
  }\r
\r
}\r
\r
/**\r
  Create the "Apply changes" and "Discard changes" tags. And\r
  ensure user can return to the main page.\r
\r
  @param CallbackData    The BMM context data.\r
\r
**/\r
VOID\r
UpdatePageEnd (\r
  IN BMM_CALLBACK_DATA                *CallbackData\r
  )\r
{\r
  //\r
  // Create the "Apply changes" and "Discard changes" tags.\r
  //\r
  if (CallbackData->BmmAskSaveOrNot) {\r
    HiiCreateSubTitleOpCode (\r
      mStartOpCodeHandle,\r
      STRING_TOKEN (STR_NULL_STRING),\r
      0,\r
      0,\r
      0\r
      );\r
\r
    HiiCreateActionOpCode (\r
      mStartOpCodeHandle,\r
      KEY_VALUE_SAVE_AND_EXIT,\r
      STRING_TOKEN (STR_SAVE_AND_EXIT),\r
      STRING_TOKEN (STR_NULL_STRING),\r
      EFI_IFR_FLAG_CALLBACK,\r
      0\r
      );\r
  }\r
\r
  //\r
  // Ensure user can return to the main page.\r
  //\r
  HiiCreateActionOpCode (\r
    mStartOpCodeHandle,\r
    KEY_VALUE_NO_SAVE_AND_EXIT,\r
    STRING_TOKEN (STR_NO_SAVE_AND_EXIT),\r
    STRING_TOKEN (STR_NULL_STRING),\r
    EFI_IFR_FLAG_CALLBACK,\r
    0\r
    );\r
\r
  HiiUpdateForm (\r
    CallbackData->BmmHiiHandle,\r
    &mBootMaintGuid,\r
    CallbackData->BmmCurrentPageId,\r
    mStartOpCodeHandle, // Label CallbackData->BmmCurrentPageId\r
    mEndOpCodeHandle    // LABEL_END\r
    );\r
}\r
\r
/**\r
  Clean up the dynamic opcode at label and form specified by both LabelId. \r
\r
  @param LabelId         It is both the Form ID and Label ID for opcode deletion.\r
  @param CallbackData    The BMM context data.\r
\r
**/\r
VOID\r
CleanUpPage (\r
  IN UINT16                           LabelId,\r
  IN BMM_CALLBACK_DATA                *CallbackData\r
  )\r
{\r
  RefreshUpdateData ();\r
\r
  //\r
  // Remove all op-codes from dynamic page\r
  //\r
  mStartLabel->Number = LabelId;\r
  HiiUpdateForm (\r
    CallbackData->BmmHiiHandle,\r
    &mBootMaintGuid,\r
    LabelId,\r
    mStartOpCodeHandle, // Label LabelId\r
    mEndOpCodeHandle    // LABEL_END\r
    );\r
}\r
\r
/**\r
  Boot a file selected by user at File Expoloer of BMM.\r
\r
  @param FileContext     The file context data, which contains the device path\r
                         of the file to be boot from.\r
\r
  @retval EFI_SUCCESS    The function completed successfull.\r
  @return Other value if the boot from the file fails.\r
\r
**/\r
EFI_STATUS\r
BootThisFile (\r
  IN BM_FILE_CONTEXT                   *FileContext\r
  )\r
{\r
  EFI_BOOT_MANAGER_LOAD_OPTION BootOption;\r
\r
  EfiBootManagerInitializeLoadOption (\r
    &BootOption,\r
    0,\r
    LoadOptionTypeBoot,\r
    LOAD_OPTION_ACTIVE,\r
    FileContext->FileName,\r
    FileContext->DevicePath,\r
    NULL,\r
    0\r
    );\r
  //\r
  // Since current no boot from removable media directly is allowed */\r
  //\r
  gST->ConOut->ClearScreen (gST->ConOut);\r
\r
  BdsSetConsoleMode (FALSE);\r
  EfiBootManagerBoot (&BootOption);\r
  BdsSetConsoleMode (TRUE);\r
\r
  EfiBootManagerFreeLoadOption (&BootOption);\r
\r
  return BootOption.Status;\r
\r
}\r
\r
/**\r
  Create a list of Goto Opcode for all terminal devices logged\r
  by TerminaMenu. This list will be inserted to form FORM_CON_COM_SETUP_ID.\r
\r
  @param CallbackData    The BMM context data.\r
**/\r
VOID\r
UpdateConCOMPage (\r
  IN BMM_CALLBACK_DATA                *CallbackData\r
  )\r
{\r
  BM_MENU_ENTRY       *NewMenuEntry;\r
  UINT16              Index;\r
\r
  CallbackData->BmmAskSaveOrNot = TRUE;\r
\r
  UpdatePageStart (CallbackData);\r
\r
  for (Index = 0; Index < TerminalMenu.MenuNumber; Index++) {\r
    NewMenuEntry = BOpt_GetMenuEntry (&TerminalMenu, Index);\r
\r
    HiiCreateGotoOpCode (\r
      mStartOpCodeHandle,\r
      FORM_CON_COM_SETUP_ID,\r
      NewMenuEntry->DisplayStringToken,\r
      STRING_TOKEN (STR_NULL_STRING),\r
      EFI_IFR_FLAG_CALLBACK,\r
      (UINT16) (TERMINAL_OPTION_OFFSET + Index)\r
      );\r
  }\r
\r
  UpdatePageEnd (CallbackData);\r
}\r
\r
\r
/**\r
  Create a list of boot option from global BootOptionMenu. It\r
  allow user to delete the boot option.\r
\r
  @param CallbackData    The BMM context data.\r
\r
**/\r
VOID\r
UpdateBootDelPage (\r
  IN BMM_CALLBACK_DATA                *CallbackData\r
  )\r
{\r
  BM_MENU_ENTRY   *NewMenuEntry;\r
  BM_LOAD_CONTEXT *NewLoadContext;\r
  UINT16          Index;\r
\r
  CallbackData->BmmAskSaveOrNot = TRUE;\r
\r
  UpdatePageStart (CallbackData);\r
  CreateMenuStringToken (CallbackData, CallbackData->BmmHiiHandle, &BootOptionMenu);\r
\r
  ASSERT (BootOptionMenu.MenuNumber <= (sizeof (CallbackData->BmmFakeNvData.BootOptionDel) / sizeof (CallbackData->BmmFakeNvData.BootOptionDel[0])));\r
  for (Index = 0; Index < BootOptionMenu.MenuNumber; Index++) {\r
    NewMenuEntry    = BOpt_GetMenuEntry (&BootOptionMenu, Index);\r
    NewLoadContext  = (BM_LOAD_CONTEXT *) NewMenuEntry->VariableContext;\r
    if (NewLoadContext->IsLegacy) {\r
      continue;\r
    }\r
\r
    NewLoadContext->Deleted = FALSE;\r
\r
    if (CallbackData->BmmFakeNvData.BootOptionDel[Index] && !CallbackData->BmmFakeNvData.BootOptionDelMark[Index]) {\r
      //\r
      // CallbackData->BmmFakeNvData.BootOptionDel[Index] == TRUE means browser knows this boot option is selected\r
      // CallbackData->BmmFakeNvData.BootOptionDelMark[Index] = FALSE means BDS knows the selected boot option has\r
      // deleted, browser maintains old useless info. So clear this info here, and later update this info to browser\r
      // through HiiSetBrowserData function.\r
      //\r
      CallbackData->BmmFakeNvData.BootOptionDel[Index] = FALSE;\r
    }\r
\r
    //\r
    // Check to see if the current boot option devicepath is the ShellDevice \r
    // path. If it is keep only UEFI Shell in the delete boot option list \r
    // or else continue\r
    // \r
    //if ((NULL != NewLoadContext->FilePathList) && (TRUE == IsShellNodeDevicePath(NewLoadContext->FilePathList))) {\r
    //  NewLoadContext->Deleted = FALSE;\r
    //  CallbackData->BmmFakeNvData.OptionDel[Index] = FALSE;\r
\r
      HiiCreateCheckBoxOpCode (\r
        mStartOpCodeHandle,\r
        (EFI_QUESTION_ID) (BOOT_OPTION_DEL_QUESTION_ID + Index),\r
        VARSTORE_ID_BOOT_MAINT,\r
        (UINT16) (BOOT_OPTION_DEL_VAR_OFFSET + Index),\r
        NewMenuEntry->DisplayStringToken,\r
        NewMenuEntry->HelpStringToken,\r
        EFI_IFR_FLAG_CALLBACK,\r
        0,\r
        NULL\r
        );\r
    //} else {\r
    //    continue;\r
    //}\r
  }\r
  UpdatePageEnd (CallbackData);\r
}\r
\r
/**\r
  Create a lit of driver option from global DriverMenu.\r
\r
  @param CallbackData    The BMM context data.\r
\r
**/\r
VOID\r
UpdateDrvAddHandlePage (\r
  IN BMM_CALLBACK_DATA                *CallbackData\r
  )\r
{\r
  BM_MENU_ENTRY *NewMenuEntry;\r
  UINT16        Index;\r
\r
  CallbackData->BmmAskSaveOrNot = FALSE;\r
\r
  UpdatePageStart (CallbackData);\r
\r
  for (Index = 0; Index < DriverMenu.MenuNumber; Index++) {\r
    NewMenuEntry = BOpt_GetMenuEntry (&DriverMenu, Index);\r
\r
    HiiCreateGotoOpCode (\r
      mStartOpCodeHandle,\r
      FORM_DRV_ADD_HANDLE_DESC_ID,\r
      NewMenuEntry->DisplayStringToken,\r
      STRING_TOKEN (STR_NULL_STRING),\r
      EFI_IFR_FLAG_CALLBACK,\r
      (UINT16) (HANDLE_OPTION_OFFSET + Index)\r
      );\r
  }\r
\r
  UpdatePageEnd (CallbackData);\r
}\r
\r
/**\r
  Create a lit of driver option from global DriverOptionMenu. It\r
  allow user to delete the driver option.\r
\r
  @param CallbackData    The BMM context data.\r
\r
**/\r
VOID\r
UpdateDrvDelPage (\r
  IN BMM_CALLBACK_DATA                *CallbackData\r
  )\r
{\r
  BM_MENU_ENTRY   *NewMenuEntry;\r
  BM_LOAD_CONTEXT *NewLoadContext;\r
  UINT16          Index;\r
\r
  CallbackData->BmmAskSaveOrNot = TRUE;\r
\r
  UpdatePageStart (CallbackData);\r
\r
  CreateMenuStringToken (CallbackData, CallbackData->BmmHiiHandle, &DriverOptionMenu);\r
  \r
  ASSERT (DriverOptionMenu.MenuNumber <= (sizeof (CallbackData->BmmFakeNvData.DriverOptionDel) / sizeof (CallbackData->BmmFakeNvData.DriverOptionDel[0])));\r
  for (Index = 0; Index < DriverOptionMenu.MenuNumber; Index++) {\r
    NewMenuEntry            = BOpt_GetMenuEntry (&DriverOptionMenu, Index);\r
\r
    NewLoadContext          = (BM_LOAD_CONTEXT *) NewMenuEntry->VariableContext;\r
    NewLoadContext->Deleted = FALSE;\r
\r
    if (CallbackData->BmmFakeNvData.DriverOptionDel[Index] && !CallbackData->BmmFakeNvData.DriverOptionDelMark[Index]) {\r
      //\r
      // CallbackData->BmmFakeNvData.BootOptionDel[Index] == TRUE means browser knows this boot option is selected\r
      // CallbackData->BmmFakeNvData.BootOptionDelMark[Index] = FALSE means BDS knows the selected boot option has\r
      // deleted, browser maintains old useless info. So clear this info here, and later update this info to browser\r
      // through HiiSetBrowserData function.\r
      //\r
      CallbackData->BmmFakeNvData.DriverOptionDel[Index] = FALSE;\r
    }\r
    HiiCreateCheckBoxOpCode (\r
      mStartOpCodeHandle,\r
      (EFI_QUESTION_ID) (DRIVER_OPTION_DEL_QUESTION_ID + Index),\r
      VARSTORE_ID_BOOT_MAINT,\r
      (UINT16) (DRIVER_OPTION_DEL_VAR_OFFSET + Index),\r
      NewMenuEntry->DisplayStringToken,\r
      NewMenuEntry->HelpStringToken,\r
      EFI_IFR_FLAG_CALLBACK,\r
      0,\r
      NULL\r
      );\r
  }\r
\r
  UpdatePageEnd (CallbackData);\r
}\r
\r
/**\r
  Prepare the page to allow user to add description for \r
  a Driver Option.\r
\r
  @param CallbackData    The BMM context data.\r
\r
**/\r
VOID\r
UpdateDriverAddHandleDescPage (\r
  IN BMM_CALLBACK_DATA                *CallbackData\r
  )\r
{\r
  BM_MENU_ENTRY *NewMenuEntry;\r
\r
  CallbackData->BmmFakeNvData.DriverAddActive          = 0x01;\r
  CallbackData->BmmFakeNvData.DriverAddForceReconnect  = 0x00;\r
  CallbackData->BmmAskSaveOrNot                        = TRUE;\r
  NewMenuEntry = CallbackData->MenuEntry;\r
\r
  UpdatePageStart (CallbackData);\r
\r
  HiiCreateSubTitleOpCode (\r
    mStartOpCodeHandle,\r
    NewMenuEntry->DisplayStringToken,\r
    0,\r
    0,\r
    0\r
    );\r
\r
  HiiCreateStringOpCode (\r
    mStartOpCodeHandle,\r
    (EFI_QUESTION_ID) DRV_ADD_HANDLE_DESC_QUESTION_ID,\r
    VARSTORE_ID_BOOT_MAINT,\r
    DRV_ADD_HANDLE_DESC_VAR_OFFSET,\r
    STRING_TOKEN (STR_LOAD_OPTION_DESC),\r
    STRING_TOKEN (STR_NULL_STRING),\r
    0,\r
    0,\r
    6,\r
    75,\r
    NULL\r
    );\r
\r
  HiiCreateCheckBoxOpCode (\r
    mStartOpCodeHandle,\r
    (EFI_QUESTION_ID) DRV_ADD_RECON_QUESTION_ID,\r
    VARSTORE_ID_BOOT_MAINT,\r
    DRV_ADD_RECON_VAR_OFFSET,\r
    STRING_TOKEN (STR_LOAD_OPTION_FORCE_RECON),\r
    STRING_TOKEN (STR_LOAD_OPTION_FORCE_RECON),\r
    0,\r
    0,\r
    NULL\r
    );\r
\r
  HiiCreateStringOpCode (\r
    mStartOpCodeHandle,\r
    (EFI_QUESTION_ID) DRIVER_ADD_OPTION_QUESTION_ID,\r
    VARSTORE_ID_BOOT_MAINT,\r
    DRIVER_ADD_OPTION_VAR_OFFSET,\r
    STRING_TOKEN (STR_OPTIONAL_DATA),\r
    STRING_TOKEN (STR_NULL_STRING),\r
    0,\r
    0,\r
    6,\r
    75,\r
    NULL\r
    );\r
\r
  UpdatePageEnd (CallbackData);\r
}\r
\r
/**\r
  Update console page.\r
\r
  @param UpdatePageId    The form ID to be updated.\r
  @param ConsoleMenu     The console menu list.\r
  @param CallbackData    The BMM context data.\r
\r
**/\r
VOID\r
UpdateConsolePage (\r
  IN UINT16                           UpdatePageId,\r
  IN BM_MENU_OPTION                   *ConsoleMenu,\r
  IN BMM_CALLBACK_DATA                *CallbackData\r
  )\r
{\r
  BM_MENU_ENTRY       *NewMenuEntry;\r
  BM_CONSOLE_CONTEXT  *NewConsoleContext;\r
  BM_TERMINAL_CONTEXT *NewTerminalContext;\r
  UINT16              Index;\r
  UINT16              Index2;\r
  UINT8               CheckFlags;\r
  UINT8               *ConsoleCheck;\r
  UINT8               *OldConsoleCheck;\r
  UINTN               ConsoleCheckSize;\r
  EFI_QUESTION_ID     QuestionIdBase;\r
  UINT16              VariableOffsetBase;\r
\r
  CallbackData->BmmAskSaveOrNot = TRUE;\r
\r
  UpdatePageStart (CallbackData);\r
\r
  ConsoleCheck       = NULL;\r
  QuestionIdBase     = 0;\r
  VariableOffsetBase = 0;\r
\r
  switch (UpdatePageId) {\r
  case FORM_CON_IN_ID:\r
    ConsoleCheck       = &CallbackData->BmmFakeNvData.ConsoleInCheck[0];\r
    OldConsoleCheck    = &CallbackData->BmmOldFakeNVData.ConsoleInCheck[0];\r
    ConsoleCheckSize   = sizeof (CallbackData->BmmFakeNvData.ConsoleInCheck);\r
    QuestionIdBase     = CON_IN_DEVICE_QUESTION_ID;\r
    VariableOffsetBase = CON_IN_DEVICE_VAR_OFFSET;\r
    break;\r
\r
  case FORM_CON_OUT_ID:\r
    ConsoleCheck       = &CallbackData->BmmFakeNvData.ConsoleOutCheck[0];\r
    OldConsoleCheck    = &CallbackData->BmmOldFakeNVData.ConsoleOutCheck[0];\r
    ConsoleCheckSize   = sizeof (CallbackData->BmmFakeNvData.ConsoleOutCheck);\r
    QuestionIdBase     = CON_OUT_DEVICE_QUESTION_ID;\r
    VariableOffsetBase = CON_OUT_DEVICE_VAR_OFFSET;\r
    break;\r
\r
  case FORM_CON_ERR_ID:\r
    ConsoleCheck       = &CallbackData->BmmFakeNvData.ConsoleErrCheck[0];\r
    OldConsoleCheck    = &CallbackData->BmmOldFakeNVData.ConsoleErrCheck[0];\r
    ConsoleCheckSize   = sizeof (CallbackData->BmmFakeNvData.ConsoleErrCheck);\r
    QuestionIdBase     = CON_ERR_DEVICE_QUESTION_ID;\r
    VariableOffsetBase = CON_ERR_DEVICE_VAR_OFFSET;\r
    break;\r
  }\r
  ASSERT (ConsoleCheck != NULL);\r
\r
  for (Index = 0; ((Index < ConsoleMenu->MenuNumber) && \\r
       (Index < MAX_MENU_NUMBER)) ; Index++) {\r
    CheckFlags = 0;\r
    NewMenuEntry = BOpt_GetMenuEntry (ConsoleMenu, Index);\r
    NewConsoleContext = (BM_CONSOLE_CONTEXT *) NewMenuEntry->VariableContext;\r
    if (NewConsoleContext->IsActive) {\r
      CheckFlags |= EFI_IFR_CHECKBOX_DEFAULT;\r
      ConsoleCheck[Index] = TRUE;\r
    } else {\r
      ConsoleCheck[Index] = FALSE;\r
    }\r
    HiiCreateCheckBoxOpCode (\r
      mStartOpCodeHandle,\r
      (EFI_QUESTION_ID) (QuestionIdBase + Index),\r
      VARSTORE_ID_BOOT_MAINT,\r
      (UINT16) (VariableOffsetBase + Index),\r
      NewMenuEntry->DisplayStringToken,\r
      NewMenuEntry->HelpStringToken,\r
      0,\r
      CheckFlags,\r
      NULL\r
      );\r
  }\r
\r
  for (Index2 = 0; ((Index2 < TerminalMenu.MenuNumber) && \\r
       (Index2 < MAX_MENU_NUMBER)); Index2++) {\r
    CheckFlags          = 0;\r
    NewMenuEntry        = BOpt_GetMenuEntry (&TerminalMenu, Index2);\r
    NewTerminalContext  = (BM_TERMINAL_CONTEXT *) NewMenuEntry->VariableContext;\r
\r
    ASSERT (Index < MAX_MENU_NUMBER);\r
    if (((NewTerminalContext->IsConIn != 0) && (UpdatePageId == FORM_CON_IN_ID)) ||\r
        ((NewTerminalContext->IsConOut != 0) && (UpdatePageId == FORM_CON_OUT_ID)) ||\r
        ((NewTerminalContext->IsStdErr != 0) && (UpdatePageId == FORM_CON_ERR_ID))\r
        ) {\r
      CheckFlags |= EFI_IFR_CHECKBOX_DEFAULT;\r
      ConsoleCheck[Index] = TRUE;\r
    } else {\r
      ConsoleCheck[Index] = FALSE;\r
    }\r
    HiiCreateCheckBoxOpCode (\r
      mStartOpCodeHandle,\r
      (EFI_QUESTION_ID) (QuestionIdBase + Index),\r
      VARSTORE_ID_BOOT_MAINT,\r
      (UINT16) (VariableOffsetBase + Index),\r
      NewMenuEntry->DisplayStringToken,\r
      NewMenuEntry->HelpStringToken,\r
      0,\r
      CheckFlags,\r
      NULL\r
      );\r
\r
    Index++;\r
  }\r
\r
  CopyMem (OldConsoleCheck, ConsoleCheck, ConsoleCheckSize);\r
\r
  UpdatePageEnd (CallbackData);\r
}\r
\r
/**\r
  Update the page's NV Map if user has changed the order\r
  a list. This list can be Boot Order or Driver Order.\r
\r
  @param UpdatePageId    The form ID to be updated.\r
  @param OptionMenu      The new list.\r
  @param CallbackData    The BMM context data.\r
\r
**/\r
VOID\r
UpdateOrderPage (\r
  IN UINT16                           UpdatePageId,\r
  IN BM_MENU_OPTION                   *OptionMenu,\r
  IN BMM_CALLBACK_DATA                *CallbackData\r
  )\r
{\r
  BM_MENU_ENTRY     *NewMenuEntry;\r
  UINT16            Index;\r
  UINT16            OptionIndex;\r
  VOID              *OptionsOpCodeHandle;\r
  BM_LOAD_CONTEXT   *NewLoadContext;\r
  BOOLEAN           BootOptionFound;\r
  UINT32            *OptionOrder;\r
  EFI_QUESTION_ID   QuestionId;\r
  UINT16            VarOffset;\r
\r
\r
  UpdatePageStart (CallbackData);\r
\r
  CreateMenuStringToken (CallbackData, CallbackData->BmmHiiHandle, OptionMenu);\r
  \r
  OptionOrder = NULL;\r
  QuestionId = 0;\r
  VarOffset = 0;\r
  switch (UpdatePageId) { \r
  \r
  case FORM_BOOT_CHG_ID:\r
    GetBootOrder (CallbackData);\r
    OptionOrder = CallbackData->BmmFakeNvData.BootOptionOrder;\r
    QuestionId = BOOT_OPTION_ORDER_QUESTION_ID;\r
    VarOffset = BOOT_OPTION_ORDER_VAR_OFFSET;\r
    break;\r
    \r
  case FORM_DRV_CHG_ID:\r
    GetDriverOrder (CallbackData);\r
    OptionOrder = CallbackData->BmmFakeNvData.DriverOptionOrder;\r
    QuestionId = DRIVER_OPTION_ORDER_QUESTION_ID;\r
    VarOffset = DRIVER_OPTION_ORDER_VAR_OFFSET;\r
    break;\r
  }  \r
  ASSERT (OptionOrder != NULL);   \r
  \r
  OptionsOpCodeHandle = HiiAllocateOpCodeHandle ();\r
  ASSERT (OptionsOpCodeHandle != NULL);\r
  \r
  NewMenuEntry = NULL;\r
  for (OptionIndex = 0; (OptionOrder[OptionIndex] != 0 && OptionIndex < MAX_MENU_NUMBER); OptionIndex++) {\r
    BootOptionFound = FALSE;\r
    for (Index = 0; Index < OptionMenu->MenuNumber; Index++) {\r
      NewMenuEntry   = BOpt_GetMenuEntry (OptionMenu, Index);\r
      NewLoadContext = (BM_LOAD_CONTEXT *) NewMenuEntry->VariableContext;\r
      if ((UINT32) (NewMenuEntry->OptionNumber + 1) == OptionOrder[OptionIndex]) {\r
        BootOptionFound = TRUE;\r
        break;\r
      }\r
    }\r
    if (BootOptionFound) {\r
      HiiCreateOneOfOptionOpCode (\r
        OptionsOpCodeHandle,\r
        NewMenuEntry->DisplayStringToken,\r
        0,\r
        EFI_IFR_TYPE_NUM_SIZE_32,\r
        OptionOrder[OptionIndex]\r
        );\r
    }\r
  }\r
  \r
  if (OptionMenu->MenuNumber > 0) {\r
    HiiCreateOrderedListOpCode (                   \r
      mStartOpCodeHandle,                          // Container for dynamic created opcodes     \r
      QuestionId,                                  // Question ID                               \r
      VARSTORE_ID_BOOT_MAINT,                      // VarStore ID                               \r
      VarOffset,                                   // Offset in Buffer Storage                  \r
      STRING_TOKEN (STR_CHANGE_ORDER),             // Question prompt text                      \r
      STRING_TOKEN (STR_CHANGE_ORDER),             // Question help text                        \r
      0,                                           // Question flag                             \r
      0,                                           // Ordered list flag, e.g. EFI_IFR_UNIQUE_SET\r
      EFI_IFR_TYPE_NUM_SIZE_32,                    // Data type of Question value               \r
      100,                                         // Maximum container                         \r
      OptionsOpCodeHandle,                         // Option Opcode list                        \r
      NULL                                         // Default Opcode is NULL                    \r
      );\r
  }\r
\r
  HiiFreeOpCodeHandle (OptionsOpCodeHandle);\r
\r
  UpdatePageEnd (CallbackData);\r
\r
}\r
\r
/**\r
  Create the dynamic page to allow user to set\r
  the "BootNext" value.\r
\r
  @param CallbackData    The BMM context data.\r
\r
**/\r
VOID\r
UpdateBootNextPage (\r
  IN BMM_CALLBACK_DATA                *CallbackData\r
  )\r
{\r
  BM_MENU_ENTRY   *NewMenuEntry;\r
  BM_LOAD_CONTEXT *NewLoadContext;\r
  UINTN           NumberOfOptions;\r
  UINT16          Index;\r
  VOID            *OptionsOpCodeHandle;\r
\r
  NumberOfOptions               = BootOptionMenu.MenuNumber;\r
  CallbackData->BmmAskSaveOrNot = TRUE;\r
\r
  UpdatePageStart (CallbackData);\r
  CreateMenuStringToken (CallbackData, CallbackData->BmmHiiHandle, &BootOptionMenu);\r
\r
  if (NumberOfOptions > 0) {\r
    OptionsOpCodeHandle = HiiAllocateOpCodeHandle ();\r
    ASSERT (OptionsOpCodeHandle != NULL);\r
\r
    CallbackData->BmmFakeNvData.BootNext = (UINT16) (BootOptionMenu.MenuNumber);\r
\r
    for (Index = 0; Index < BootOptionMenu.MenuNumber; Index++) {\r
      NewMenuEntry    = BOpt_GetMenuEntry (&BootOptionMenu, Index);\r
      NewLoadContext  = (BM_LOAD_CONTEXT *) NewMenuEntry->VariableContext;\r
\r
      if (NewLoadContext->IsBootNext) {\r
        HiiCreateOneOfOptionOpCode (\r
          OptionsOpCodeHandle,\r
          NewMenuEntry->DisplayStringToken,\r
          EFI_IFR_OPTION_DEFAULT,\r
          EFI_IFR_TYPE_NUM_SIZE_16,\r
          Index\r
          );\r
        CallbackData->BmmFakeNvData.BootNext = Index;\r
      } else {\r
        HiiCreateOneOfOptionOpCode (\r
          OptionsOpCodeHandle,\r
          NewMenuEntry->DisplayStringToken,\r
          0,\r
          EFI_IFR_TYPE_NUM_SIZE_16,\r
          Index\r
          );\r
      }\r
    }\r
\r
    if (CallbackData->BmmFakeNvData.BootNext == Index) {\r
      HiiCreateOneOfOptionOpCode (\r
        OptionsOpCodeHandle,\r
        STRING_TOKEN (STR_NONE),\r
        EFI_IFR_OPTION_DEFAULT,\r
        EFI_IFR_TYPE_NUM_SIZE_16,\r
        Index\r
        );\r
    } else {\r
      HiiCreateOneOfOptionOpCode (\r
        OptionsOpCodeHandle,\r
        STRING_TOKEN (STR_NONE),\r
        0,\r
        EFI_IFR_TYPE_NUM_SIZE_16,\r
        Index\r
        );\r
    }      \r
\r
    HiiCreateOneOfOpCode (\r
      mStartOpCodeHandle,\r
      (EFI_QUESTION_ID) BOOT_NEXT_QUESTION_ID,\r
      VARSTORE_ID_BOOT_MAINT,\r
      BOOT_NEXT_VAR_OFFSET,\r
      STRING_TOKEN (STR_BOOT_NEXT),\r
      STRING_TOKEN (STR_BOOT_NEXT_HELP),\r
      0,\r
      EFI_IFR_NUMERIC_SIZE_2,\r
      OptionsOpCodeHandle,\r
      NULL\r
      );\r
\r
    HiiFreeOpCodeHandle (OptionsOpCodeHandle);\r
  }\r
\r
  UpdatePageEnd (CallbackData);\r
}\r
\r
/**\r
  Create the dynamic page to allow user to set the "TimeOut" value.\r
\r
  @param CallbackData    The BMM context data.\r
\r
**/\r
VOID\r
UpdateTimeOutPage (\r
  IN BMM_CALLBACK_DATA                *CallbackData\r
  )\r
{\r
  UINT16  BootTimeOut;\r
  VOID    *DefaultOpCodeHandle;\r
\r
  CallbackData->BmmAskSaveOrNot = TRUE;\r
\r
  UpdatePageStart (CallbackData);\r
\r
  BootTimeOut = PcdGet16 (PcdPlatformBootTimeOut);\r
\r
  DefaultOpCodeHandle = HiiAllocateOpCodeHandle ();\r
  ASSERT (DefaultOpCodeHandle != NULL);\r
  HiiCreateDefaultOpCode (DefaultOpCodeHandle, EFI_HII_DEFAULT_CLASS_STANDARD, EFI_IFR_TYPE_NUM_SIZE_16, BootTimeOut);\r
\r
  HiiCreateNumericOpCode (\r
    mStartOpCodeHandle,\r
    (EFI_QUESTION_ID) BOOT_TIME_OUT_QUESTION_ID,\r
    VARSTORE_ID_BOOT_MAINT,\r
    BOOT_TIME_OUT_VAR_OFFSET,\r
    STRING_TOKEN (STR_NUM_AUTO_BOOT),\r
    STRING_TOKEN (STR_HLP_AUTO_BOOT),\r
    0,\r
    EFI_IFR_NUMERIC_SIZE_2 | EFI_IFR_DISPLAY_UINT_DEC,\r
    0,\r
    65535,\r
    0,\r
    DefaultOpCodeHandle\r
    );\r
  \r
  HiiFreeOpCodeHandle (DefaultOpCodeHandle);\r
\r
  CallbackData->BmmFakeNvData.BootTimeOut = BootTimeOut;\r
\r
  UpdatePageEnd (CallbackData);\r
}\r
\r
\r
/**\r
  Refresh the text mode page.\r
\r
  @param CallbackData    The BMM context data.\r
\r
**/\r
VOID\r
UpdateConModePage (\r
  IN BMM_CALLBACK_DATA                *CallbackData\r
  )\r
{\r
  UINTN                         Mode;\r
  UINTN                         Index;\r
  UINTN                         Col;\r
  UINTN                         Row;\r
  CHAR16                        ModeString[50];\r
  CHAR16                        *PStr;\r
  UINTN                         MaxMode;\r
  UINTN                         ValidMode;\r
  EFI_STRING_ID                 *ModeToken;\r
  EFI_STATUS                    Status;\r
  VOID                          *OptionsOpCodeHandle;\r
  EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL  *ConOut;\r
\r
  ConOut    = gST->ConOut;\r
  Index     = 0;\r
  ValidMode = 0;\r
  MaxMode   = (UINTN) (ConOut->Mode->MaxMode);\r
\r
  CallbackData->BmmAskSaveOrNot = TRUE;\r
\r
  UpdatePageStart (CallbackData);\r
\r
  //\r
  // Check valid mode\r
  //\r
  for (Mode = 0; Mode < MaxMode; Mode++) {\r
    Status = ConOut->QueryMode (ConOut, Mode, &Col, &Row);\r
    if (EFI_ERROR (Status)) {\r
      continue;\r
    }\r
    ValidMode++;\r
  }\r
\r
  if (ValidMode == 0) {\r
    return;\r
  }\r
\r
  OptionsOpCodeHandle = HiiAllocateOpCodeHandle ();\r
  ASSERT (OptionsOpCodeHandle != NULL);\r
\r
  ModeToken           = AllocateZeroPool (sizeof (EFI_STRING_ID) * ValidMode);\r
  ASSERT(ModeToken != NULL);\r
\r
  //\r
  // Determin which mode should be the first entry in menu\r
  //\r
  GetConsoleOutMode (CallbackData);\r
\r
  //\r
  // Build text mode options\r
  //\r
  for (Mode = 0; Mode < MaxMode; Mode++) {\r
    Status = ConOut->QueryMode (ConOut, Mode, &Col, &Row);\r
    if (EFI_ERROR (Status)) {\r
      continue;\r
    }\r
    \r
    //\r
    // Build mode string Column x Row\r
    //\r
    UnicodeValueToString (ModeString, 0, Col, 0);\r
    PStr = &ModeString[0];\r
    StrnCatS (PStr, sizeof (ModeString) / sizeof (ModeString[0]), L" x ", StrLen(L" x ") + 1);\r
    PStr = PStr + StrLen (PStr);\r
    UnicodeValueToString (PStr , 0, Row, 0);\r
\r
    ModeToken[Index] = HiiSetString (CallbackData->BmmHiiHandle, 0, ModeString, NULL);\r
\r
    if (Mode == CallbackData->BmmFakeNvData.ConsoleOutMode) {\r
      HiiCreateOneOfOptionOpCode (\r
        OptionsOpCodeHandle,\r
        ModeToken[Index],\r
        EFI_IFR_OPTION_DEFAULT,\r
        EFI_IFR_TYPE_NUM_SIZE_16,\r
        (UINT16) Mode\r
        );\r
    } else {\r
      HiiCreateOneOfOptionOpCode (\r
        OptionsOpCodeHandle,\r
        ModeToken[Index],\r
        0,\r
        EFI_IFR_TYPE_NUM_SIZE_16,\r
        (UINT16) Mode\r
        );\r
    }\r
    Index++;\r
  }\r
\r
  HiiCreateOneOfOpCode (\r
    mStartOpCodeHandle,\r
    (EFI_QUESTION_ID) CON_MODE_QUESTION_ID,\r
    VARSTORE_ID_BOOT_MAINT,\r
    CON_MODE_VAR_OFFSET,\r
    STRING_TOKEN (STR_CON_MODE_SETUP),\r
    STRING_TOKEN (STR_CON_MODE_SETUP),\r
    EFI_IFR_FLAG_RESET_REQUIRED,\r
    EFI_IFR_NUMERIC_SIZE_2,\r
    OptionsOpCodeHandle,\r
    NULL\r
    );\r
\r
  HiiFreeOpCodeHandle (OptionsOpCodeHandle);\r
  FreePool (ModeToken);\r
\r
  UpdatePageEnd (CallbackData);\r
}\r
\r
 /**\r
  Create the dynamic page which allows user to set the property such as Baud Rate, Data Bits,\r
  Parity, Stop Bits, Terminal Type.\r
\r
  @param CallbackData    The BMM context data.\r
\r
**/\r
VOID\r
UpdateTerminalPage (\r
  IN BMM_CALLBACK_DATA                *CallbackData\r
  )\r
{\r
  UINT8               Index;\r
  UINT8               CheckFlags;\r
  BM_MENU_ENTRY       *NewMenuEntry;\r
  VOID                *OptionsOpCodeHandle;\r
  UINTN               CurrentTerminal;\r
\r
  CallbackData->BmmAskSaveOrNot = TRUE;\r
\r
  UpdatePageStart (CallbackData);\r
\r
  CurrentTerminal = CallbackData->CurrentTerminal;\r
  NewMenuEntry = BOpt_GetMenuEntry (\r
                  &TerminalMenu,\r
                  CurrentTerminal\r
                  );\r
\r
  if (NewMenuEntry == NULL) {\r
    return ;\r
  }\r
\r
  OptionsOpCodeHandle = HiiAllocateOpCodeHandle ();\r
  ASSERT (OptionsOpCodeHandle != NULL);\r
\r
  for (Index = 0; Index < sizeof (BaudRateList) / sizeof (BaudRateList [0]); Index++) {\r
    CheckFlags = 0;\r
    if (BaudRateList[Index].Value == 115200) {\r
      CheckFlags |= EFI_IFR_OPTION_DEFAULT;\r
    }\r
    HiiCreateOneOfOptionOpCode (\r
      OptionsOpCodeHandle,\r
      BaudRateList[Index].StringToken,\r
      CheckFlags,\r
      EFI_IFR_TYPE_NUM_SIZE_8,\r
      Index\r
      );\r
  }\r
\r
  HiiCreateOneOfOpCode (\r
    mStartOpCodeHandle,\r
    (EFI_QUESTION_ID) (COM_BAUD_RATE_QUESTION_ID + CurrentTerminal),\r
    VARSTORE_ID_BOOT_MAINT,\r
    (UINT16) (COM_BAUD_RATE_VAR_OFFSET + CurrentTerminal),\r
    STRING_TOKEN (STR_COM_BAUD_RATE),\r
    STRING_TOKEN (STR_COM_BAUD_RATE),\r
    0,\r
    EFI_IFR_NUMERIC_SIZE_1,\r
    OptionsOpCodeHandle,\r
    NULL\r
    );\r
  \r
  HiiFreeOpCodeHandle (OptionsOpCodeHandle);\r
  OptionsOpCodeHandle = HiiAllocateOpCodeHandle ();\r
  ASSERT (OptionsOpCodeHandle != NULL);\r
\r
  for (Index = 0; Index < sizeof (DataBitsList) / sizeof (DataBitsList[0]); Index++) {\r
    CheckFlags = 0;\r
\r
    if (DataBitsList[Index].Value == 8) {\r
      CheckFlags |= EFI_IFR_OPTION_DEFAULT;\r
    }\r
\r
    HiiCreateOneOfOptionOpCode (\r
      OptionsOpCodeHandle,\r
      DataBitsList[Index].StringToken,\r
      CheckFlags,\r
      EFI_IFR_TYPE_NUM_SIZE_8,\r
      Index\r
      );\r
  }\r
\r
  HiiCreateOneOfOpCode (\r
    mStartOpCodeHandle,\r
    (EFI_QUESTION_ID) (COM_DATA_RATE_QUESTION_ID + CurrentTerminal),\r
    VARSTORE_ID_BOOT_MAINT,\r
    (UINT16) (COM_DATA_RATE_VAR_OFFSET + CurrentTerminal),\r
    STRING_TOKEN (STR_COM_DATA_BITS),\r
    STRING_TOKEN (STR_COM_DATA_BITS),\r
    0,\r
    EFI_IFR_NUMERIC_SIZE_1,\r
    OptionsOpCodeHandle,\r
    NULL\r
    );\r
\r
  HiiFreeOpCodeHandle (OptionsOpCodeHandle);\r
  OptionsOpCodeHandle = HiiAllocateOpCodeHandle ();\r
  ASSERT (OptionsOpCodeHandle != NULL);\r
\r
  for (Index = 0; Index < sizeof (ParityList) / sizeof (ParityList[0]); Index++) {\r
    CheckFlags = 0;\r
    if (ParityList[Index].Value ==  NoParity) {\r
      CheckFlags |= EFI_IFR_OPTION_DEFAULT;\r
    }\r
\r
    HiiCreateOneOfOptionOpCode (\r
      OptionsOpCodeHandle,\r
      ParityList[Index].StringToken,\r
      CheckFlags,\r
      EFI_IFR_TYPE_NUM_SIZE_8,\r
      Index\r
      );\r
  }\r
\r
  HiiCreateOneOfOpCode (\r
    mStartOpCodeHandle,\r
    (EFI_QUESTION_ID) (COM_PARITY_QUESTION_ID + CurrentTerminal),\r
    VARSTORE_ID_BOOT_MAINT,\r
    (UINT16) (COM_PARITY_VAR_OFFSET + CurrentTerminal),\r
    STRING_TOKEN (STR_COM_PARITY),\r
    STRING_TOKEN (STR_COM_PARITY),\r
    0,\r
    EFI_IFR_NUMERIC_SIZE_1,\r
    OptionsOpCodeHandle,\r
    NULL\r
    );\r
\r
  HiiFreeOpCodeHandle (OptionsOpCodeHandle);\r
  OptionsOpCodeHandle = HiiAllocateOpCodeHandle ();\r
  ASSERT (OptionsOpCodeHandle != NULL);\r
\r
  for (Index = 0; Index < sizeof (StopBitsList) / sizeof (StopBitsList[0]); Index++) {\r
    CheckFlags = 0;\r
    if (StopBitsList[Index].Value == OneStopBit) {\r
      CheckFlags |= EFI_IFR_OPTION_DEFAULT;\r
    }\r
\r
    HiiCreateOneOfOptionOpCode (\r
      OptionsOpCodeHandle,\r
      StopBitsList[Index].StringToken,\r
      CheckFlags,\r
      EFI_IFR_TYPE_NUM_SIZE_8,\r
      Index\r
      );\r
  }\r
\r
  HiiCreateOneOfOpCode (\r
    mStartOpCodeHandle,\r
    (EFI_QUESTION_ID) (COM_STOP_BITS_QUESTION_ID + CurrentTerminal),\r
    VARSTORE_ID_BOOT_MAINT,\r
    (UINT16) (COM_STOP_BITS_VAR_OFFSET + CurrentTerminal),\r
    STRING_TOKEN (STR_COM_STOP_BITS),\r
    STRING_TOKEN (STR_COM_STOP_BITS),\r
    0,\r
    EFI_IFR_NUMERIC_SIZE_1,\r
    OptionsOpCodeHandle,\r
    NULL\r
    );\r
\r
  HiiFreeOpCodeHandle (OptionsOpCodeHandle);\r
  OptionsOpCodeHandle = HiiAllocateOpCodeHandle ();\r
  ASSERT (OptionsOpCodeHandle != NULL);\r
\r
  for (Index = 0; Index < sizeof (TerminalType) / sizeof (TerminalType[0]); Index++) {\r
    CheckFlags = 0;\r
    if (Index == 0) {\r
      CheckFlags |= EFI_IFR_OPTION_DEFAULT;\r
    }\r
\r
    HiiCreateOneOfOptionOpCode (\r
      OptionsOpCodeHandle,\r
      (EFI_STRING_ID) TerminalType[Index],\r
      CheckFlags,\r
      EFI_IFR_TYPE_NUM_SIZE_8,\r
      Index\r
      );\r
  }\r
\r
  HiiCreateOneOfOpCode (\r
    mStartOpCodeHandle,\r
    (EFI_QUESTION_ID) (COM_TERMINAL_QUESTION_ID + CurrentTerminal),\r
    VARSTORE_ID_BOOT_MAINT,\r
    (UINT16) (COM_TERMINAL_VAR_OFFSET + CurrentTerminal),\r
    STRING_TOKEN (STR_COM_TERMI_TYPE),\r
    STRING_TOKEN (STR_COM_TERMI_TYPE),\r
    0,\r
    EFI_IFR_NUMERIC_SIZE_1,\r
    OptionsOpCodeHandle,\r
    NULL\r
    );\r
\r
  HiiFreeOpCodeHandle (OptionsOpCodeHandle);\r
  OptionsOpCodeHandle = HiiAllocateOpCodeHandle ();\r
  ASSERT (OptionsOpCodeHandle != NULL);\r
\r
  for (Index = 0; Index < sizeof (mFlowControlType) / sizeof (mFlowControlType[0]); Index++) {\r
  CheckFlags = 0;\r
    if (Index == 0) {\r
      CheckFlags |= EFI_IFR_OPTION_DEFAULT;\r
    }\r
    HiiCreateOneOfOptionOpCode (\r
      OptionsOpCodeHandle,\r
      (EFI_STRING_ID) mFlowControlType[Index],\r
      CheckFlags,\r
      EFI_IFR_TYPE_NUM_SIZE_8,\r
      mFlowControlValue[Index]\r
      );\r
  }\r
\r
  HiiCreateOneOfOpCode (\r
    mStartOpCodeHandle,\r
    (EFI_QUESTION_ID) (COM_FLOWCONTROL_QUESTION_ID + CurrentTerminal),\r
    VARSTORE_ID_BOOT_MAINT,\r
    (UINT16) (COM_FLOWCONTROL_VAR_OFFSET + CurrentTerminal),\r
    STRING_TOKEN (STR_COM_FLOW_CONTROL),\r
    STRING_TOKEN (STR_COM_FLOW_CONTROL),\r
    0,\r
    EFI_IFR_NUMERIC_SIZE_1,\r
    OptionsOpCodeHandle,\r
    NULL\r
    );\r
\r
  HiiFreeOpCodeHandle (OptionsOpCodeHandle);\r
\r
  UpdatePageEnd (CallbackData);\r
}\r
\r
/**\r
  Dispatch the correct update page function to call based on\r
  the UpdatePageId.\r
\r
  @param UpdatePageId    The form ID.\r
  @param CallbackData    The BMM context data.\r
\r
**/\r
VOID\r
UpdatePageBody (\r
  IN UINT16                           UpdatePageId,\r
  IN BMM_CALLBACK_DATA                *CallbackData\r
  )\r
{\r
  CleanUpPage (UpdatePageId, CallbackData);\r
  switch (UpdatePageId) {\r
  case FORM_CON_IN_ID:\r
    UpdateConsolePage (UpdatePageId, &ConsoleInpMenu, CallbackData);\r
    break;\r
\r
  case FORM_CON_OUT_ID:\r
    UpdateConsolePage (UpdatePageId, &ConsoleOutMenu, CallbackData);\r
    break;\r
\r
  case FORM_CON_ERR_ID:\r
    UpdateConsolePage (UpdatePageId, &ConsoleErrMenu, CallbackData);\r
    break;\r
\r
  case FORM_BOOT_CHG_ID:\r
    UpdateOrderPage (UpdatePageId, &BootOptionMenu, CallbackData);\r
    break;\r
\r
  case FORM_DRV_CHG_ID:\r
    UpdateOrderPage (UpdatePageId, &DriverOptionMenu, CallbackData);\r
    break;\r
\r
  default:\r
    break;\r
  }\r
}\r
\r
/**\r
  Dispatch the display to the next page based on NewPageId.\r
\r
  @param Private         The BMM context data.\r
  @param NewPageId       The original page ID.\r
\r
**/\r
VOID\r
UpdatePageId (\r
  BMM_CALLBACK_DATA              *Private,\r
  UINT16                         NewPageId\r
  )\r
{\r
  if ((NewPageId < FILE_OPTION_OFFSET) && (NewPageId >= HANDLE_OPTION_OFFSET)) {\r
    //\r
    // If we select a handle to add driver option, advance to the add handle description page.\r
    //\r
    NewPageId = FORM_DRV_ADD_HANDLE_DESC_ID;\r
  } else if ((NewPageId == KEY_VALUE_SAVE_AND_EXIT) || (NewPageId == KEY_VALUE_NO_SAVE_AND_EXIT)) {\r
    //\r
    // Return to main page after "Save Changes" or "Discard Changes".\r
    //\r
    NewPageId = FORM_MAIN_ID;\r
  } else if ((NewPageId >= TERMINAL_OPTION_OFFSET) && (NewPageId < CONSOLE_OPTION_OFFSET)) {\r
    NewPageId = FORM_CON_COM_SETUP_ID;\r
  }\r
\r
  if ((NewPageId > 0) && (NewPageId < MAXIMUM_FORM_ID)) {\r
    Private->BmmPreviousPageId  = Private->BmmCurrentPageId;\r
    Private->BmmCurrentPageId   = NewPageId;\r
  }\r
}\r