audk/MdeModulePkg/Universal/BdsDxe/BootMngr/BootManager.c

/** @file
  The platform boot manager reference implement

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.

**/

#include "BootManager.h"

UINT16             mKeyInput;
EFI_GUID           mBootManagerGuid = BOOT_MANAGER_FORMSET_GUID;
LIST_ENTRY         *mBootOptionsList;
BDS_COMMON_OPTION  *gOption;

BOOT_MANAGER_CALLBACK_DATA  gBootManagerPrivate = {
  BOOT_MANAGER_CALLBACK_DATA_SIGNATURE,
  NULL,
  NULL,
  {
    FakeExtractConfig,
    FakeRouteConfig,
    BootManagerCallback
  }
};

/**
  This function processes the results of changes in configuration.


  @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
BootManagerCallback (
  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
  )
{
  BDS_COMMON_OPTION       *Option;
  LIST_ENTRY              *Link;
  UINT16                  KeyCount;

  if ((Value == NULL) || (ActionRequest == NULL)) {
    return EFI_INVALID_PARAMETER;
  }

  //
  // Initialize the key count
  //
  KeyCount = 0;

  for (Link = mBootOptionsList->ForwardLink; Link != mBootOptionsList; Link = Link->ForwardLink) {
    Option = CR (Link, BDS_COMMON_OPTION, Link, BDS_LOAD_OPTION_SIGNATURE);

    KeyCount++;

    gOption = Option;

    //
    // Is this device the one chosen?
    //
    if (KeyCount == QuestionId) {
      //
      // Assigning the returned Key to a global allows the original routine to know what was chosen
      //
      mKeyInput = QuestionId;

      //
      // Request to exit SendForm(), so that we could boot the selected option
      //
      *ActionRequest = EFI_BROWSER_ACTION_REQUEST_EXIT;
      break;
    }
  }

  return EFI_SUCCESS;
}

/**

  Initialize HII information for the FrontPage


  @param VOID            EDES_TODO: Add parameter description

  @return EDES_TODO: Add description for return value

**/
EFI_STATUS
InitializeBootManager (
  VOID
  )
{
  EFI_STATUS                  Status;
  EFI_HII_PACKAGE_LIST_HEADER *PackageList;

  //
  // Create driver handle used by HII database
  //
  Status = HiiLibCreateHiiDriverHandle (&gBootManagerPrivate.DriverHandle);
  if (EFI_ERROR (Status)) {
    return Status;
  }

  //
  // Install Config Access protocol to driver handle
  //
  Status = gBS->InstallProtocolInterface (
                  &gBootManagerPrivate.DriverHandle,
                  &gEfiHiiConfigAccessProtocolGuid,
                  EFI_NATIVE_INTERFACE,
                  &gBootManagerPrivate.ConfigAccess
                  );
  ASSERT_EFI_ERROR (Status);

  //
  // Publish our HII data
  //
  PackageList = HiiLibPreparePackageList (2, &mBootManagerGuid, BootManagerVfrBin, BdsDxeStrings);
  ASSERT (PackageList != NULL);

  Status = gHiiDatabase->NewPackageList (
                           gHiiDatabase,
                           PackageList,
                           gBootManagerPrivate.DriverHandle,
                           &gBootManagerPrivate.HiiHandle
                           );
  FreePool (PackageList);

  return Status;
}

/**
  Hook to enable UI timeout override behavior.


  @param VOID            EDES_TODO: Add parameter description

           EDES_TODO: Incomplete Descriptions  NONE

**/
VOID
CallBootManager (
  VOID
  )
{
  EFI_STATUS                  Status;
  BDS_COMMON_OPTION           *Option;
  LIST_ENTRY                  *Link;
  EFI_HII_UPDATE_DATA         UpdateData;
  CHAR16                      *ExitData;
  UINTN                       ExitDataSize;
  EFI_STRING_ID               Token;
  EFI_INPUT_KEY               Key;
  LIST_ENTRY                  BdsBootOptionList;
  CHAR16                      *HelpString;
  EFI_STRING_ID               HelpToken;
  UINT16                      *TempStr;
  EFI_HII_HANDLE              HiiHandle;
  EFI_BROWSER_ACTION_REQUEST  ActionRequest;
  UINTN                       TempSize;

  gOption = NULL;
  InitializeListHead (&BdsBootOptionList);

  //
  // Connect all prior to entering the platform setup menu.
  //
  if (!gConnectAllHappened) {
    BdsLibConnectAllDriversToAllControllers ();
    gConnectAllHappened = TRUE;
  }
  //
  // BugBug: Here we can not remove the legacy refresh macro, so we need
  // get the boot order every time from "BootOrder" variable.
  // Recreate the boot option list base on the BootOrder variable
  //
  BdsLibEnumerateAllBootOption (&BdsBootOptionList);

  mBootOptionsList  = &BdsBootOptionList;

  HiiHandle = gBootManagerPrivate.HiiHandle;

  //
  // Allocate space for creation of UpdateData Buffer
  //
  UpdateData.BufferSize = 0x1000;
  UpdateData.Offset = 0;
  UpdateData.Data = AllocateZeroPool (0x1000);
  ASSERT (UpdateData.Data != NULL);

  mKeyInput = 0;

  for (Link = BdsBootOptionList.ForwardLink; Link != &BdsBootOptionList; Link = Link->ForwardLink) {
    Option = CR (Link, BDS_COMMON_OPTION, Link, BDS_LOAD_OPTION_SIGNATURE);

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

    //
    // Don't display the boot option marked as LOAD_OPTION_HIDDEN
    //
    if (Option->Attribute & LOAD_OPTION_HIDDEN) {
      continue;
    }

    HiiLibNewString (HiiHandle, &Token, Option->Description);

    TempStr = DevicePathToStr (Option->DevicePath);
    TempSize = StrSize (TempStr);
    HelpString = AllocateZeroPool (TempSize + StrSize (L"Device Path : "));
    StrCat (HelpString, L"Device Path : ");
    StrCat (HelpString, TempStr);

    HiiLibNewString (HiiHandle, &HelpToken, HelpString);

    CreateActionOpCode (
      mKeyInput,
      Token,
      HelpToken,
      EFI_IFR_FLAG_CALLBACK,
      0,
      &UpdateData
      );
  }

  IfrLibUpdateForm (
    HiiHandle,
    &mBootManagerGuid,
    BOOT_MANAGER_FORM_ID,
    LABEL_BOOT_OPTION,
    FALSE,
    &UpdateData
    );
  FreePool (UpdateData.Data);

  //
  // Drop the TPL level from TPL_APPLICATION to TPL_APPLICATION
  //
  gBS->RestoreTPL (TPL_APPLICATION);

  ActionRequest = EFI_BROWSER_ACTION_REQUEST_NONE;
  Status = gFormBrowser2->SendForm (
                           gFormBrowser2,
                           &HiiHandle,
                           1,
                           NULL,
                           0,
                           NULL,
                           &ActionRequest
                           );
  if (ActionRequest == EFI_BROWSER_ACTION_REQUEST_RESET) {
    EnableResetRequired ();
  }

  if (gOption == NULL) {
    gBS->RaiseTPL (TPL_APPLICATION);
    return ;
  }

  //
  //Will leave browser, check any reset required change is applied? if yes, reset system
  //
  SetupResetReminder ();

  //
  // Raise the TPL level back to TPL_APPLICATION
  //
  gBS->RaiseTPL (TPL_APPLICATION);

  //
  // parse the selected option
  //
  Status = BdsLibBootViaBootOption (gOption, gOption->DevicePath, &ExitDataSize, &ExitData);

  if (!EFI_ERROR (Status)) {
    gOption->StatusString = GetStringById (STRING_TOKEN (STR_BOOT_SUCCEEDED));
    PlatformBdsBootSuccess (gOption);
  } else {
    gOption->StatusString = GetStringById (STRING_TOKEN (STR_BOOT_FAILED));
    PlatformBdsBootFail (gOption, Status, ExitData, ExitDataSize);
    gST->ConOut->OutputString (
                  gST->ConOut,
                  GetStringById (STRING_TOKEN (STR_ANY_KEY_CONTINUE))
                  );
    gBS->RestoreTPL (TPL_APPLICATION);
    //
    // BdsLibUiWaitForSingleEvent (gST->ConIn->WaitForKey, 0);
    //
    gBS->RaiseTPL (TPL_APPLICATION);
    gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
  }
}