Exemple #1
0
/**

  Install Boot Manager Menu driver.

  @param ImageHandle     The image handle.
  @param SystemTable     The system table.

  @retval  EFI_SUCEESS  Install Boot manager menu success.
  @retval  Other        Return error status.

**/
EFI_STATUS
EFIAPI
BootManagerLibConstructor (
  IN EFI_HANDLE                            ImageHandle,
  IN EFI_SYSTEM_TABLE                      *SystemTable
  )
{
  EFI_STATUS                     Status;

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

  //
  // Publish our HII data
  //
  gBootManagerPrivate.HiiHandle = HiiAddPackages (
                                    &mBootManagerGuid,
                                    gBootManagerPrivate.DriverHandle,
                                    BootManagerVfrBin,
                                    BootManagerLibStrings,
                                    NULL
                                    );
  ASSERT (gBootManagerPrivate.HiiHandle != NULL);

  //
  // Update boot manager page 
  //
  UpdateBootManager ();

  return EFI_SUCCESS;
}
Exemple #2
0
/**
  This call back function is registered with Boot Manager formset.
  When user selects a boot option, this call back function will
  be triggered. The boot option is saved for later processing.


  @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_INVALID_PARAMETER The setup browser call this function with invalid parameters.

**/
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
  )
{
  EFI_BOOT_MANAGER_LOAD_OPTION *BootOption;
  UINTN                        BootOptionCount;
  EFI_INPUT_KEY                Key;

  if (Action == EFI_BROWSER_ACTION_FORM_OPEN) {
    //
    //Means enter the boot manager form.
    //Update the boot manage page,because the boot option may changed.
    //
    if (QuestionId == 0x1212){
      UpdateBootManager();
    }
    return EFI_SUCCESS;
  }

  if (Action != EFI_BROWSER_ACTION_CHANGED) {
    //
    // Do nothing for other UEFI Action. Only do call back when data is changed.
    //
    return EFI_UNSUPPORTED;
  }

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

  BootOption = EfiBootManagerGetLoadOptions (&BootOptionCount, LoadOptionTypeBoot);

  //
  // Clear  the  screen  before.
  //
  gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK));
  gST->ConOut->ClearScreen (gST->ConOut);

  //
  // parse the selected option
  //
  BmBdsSetConsoleMode (FALSE);
  EfiBootManagerBoot (&BootOption[QuestionId - 1]);
  BmBdsSetConsoleMode (TRUE);

  if (EFI_ERROR (BootOption[QuestionId - 1].Status)) {
    gST->ConOut->OutputString (
                  gST->ConOut,
                  HiiGetString (gBootManagerPrivate.HiiHandle, STRING_TOKEN (STR_ANY_KEY_CONTINUE), NULL)
                  );
    gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
  }

  EfiBootManagerFreeLoadOptions (BootOption, BootOptionCount);

  return EFI_SUCCESS;
}