/**
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
LegacyBootMaintUiLibConstructor (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;
LEGACY_BOOT_OPTION_CALLBACK_DATA *LegacyBootOptionData;
Status = gBS->LocateProtocol (&gEfiLegacyBiosProtocolGuid, NULL, (VOID **) &LegacyBios);
if (!EFI_ERROR (Status)) {
//
// Create LegacyBootOptionData structures for Driver Callback
//
LegacyBootOptionData = AllocateZeroPool (sizeof (LEGACY_BOOT_OPTION_CALLBACK_DATA));
ASSERT (LegacyBootOptionData != NULL);
LegacyBootOptionData->MaintainMapData = AllocateZeroPool (sizeof (LEGACY_BOOT_MAINTAIN_DATA));
ASSERT (LegacyBootOptionData->MaintainMapData != NULL);
LegacyBootOptionData->ConfigAccess.ExtractConfig = LegacyBootOptionExtractConfig;
LegacyBootOptionData->ConfigAccess.RouteConfig = LegacyBootOptionRouteConfig;
LegacyBootOptionData->ConfigAccess.Callback = LegacyBootOptionCallback;
//
// Install Device Path Protocol and Config Access protocol to driver handle
//
Status = gBS->InstallMultipleProtocolInterfaces (
&LegacyBootOptionData->DriverHandle,
&gEfiDevicePathProtocolGuid,
&mLegacyBootOptionHiiVendorDevicePath,
&gEfiHiiConfigAccessProtocolGuid,
&LegacyBootOptionData->ConfigAccess,
NULL
);
ASSERT_EFI_ERROR (Status);
//
// Publish our HII data
//
LegacyBootOptionData->HiiHandle = HiiAddPackages (
&mLegacyBootOptionGuid,
LegacyBootOptionData->DriverHandle,
LegacyBootMaintUiVfrBin,
LegacyBootMaintUiLibStrings,
NULL
);
ASSERT (LegacyBootOptionData->HiiHandle != NULL);
mLegacyBootOptionPrivate = LegacyBootOptionData;
GetLegacyOptions ();
GetLegacyOptionsOrder();
}
return EFI_SUCCESS;
}
/**
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
LegacyBootOptionCallback (
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
)
{
if (Action != EFI_BROWSER_ACTION_CHANGED && Action != EFI_BROWSER_ACTION_CHANGING && Action != EFI_BROWSER_ACTION_FORM_OPEN) {
//
// Do nothing for other UEFI Action. Only do call back when data is changed or the form is open.
//
return EFI_UNSUPPORTED;
}
if ((Value == NULL) || (ActionRequest == NULL)) {
return EFI_INVALID_PARAMETER;
}
if (Action == EFI_BROWSER_ACTION_FORM_OPEN) {
if (QuestionId == FORM_FLOPPY_BOOT_ID) {
if (!mFirstEnterLegacyForm) {
//
// The leagcyBootMaintUiLib depends on the LegacyBootManagerLib to realize its functionality.
// We need to do the leagcy boot options related actions after the LegacyBootManagerLib has been initialized.
// Opening the legacy menus is the appropriate time that the LegacyBootManagerLib has already been initialized.
//
mFirstEnterLegacyForm = TRUE;
GetLegacyOptions ();
GetLegacyOptionsOrder ();
}
}
}
if (Action == EFI_BROWSER_ACTION_CHANGING) {
switch (QuestionId) {
case FORM_FLOPPY_BOOT_ID:
case FORM_HARDDISK_BOOT_ID:
case FORM_CDROM_BOOT_ID:
case FORM_NET_BOOT_ID:
case FORM_BEV_BOOT_ID:
UpdateLegacyDeviceOrderPage (QuestionId);
break;
default:
break;
}
} else if (Action == EFI_BROWSER_ACTION_CHANGED) {
if ((Value == NULL) || (ActionRequest == NULL)) {
return EFI_INVALID_PARAMETER;
}
if ((QuestionId >= LEGACY_FD_QUESTION_ID) && (QuestionId < LEGACY_BEV_QUESTION_ID + MAX_MENU_NUMBER)) {
AdjustOptionValue(QuestionId, Value);
}
}
return EFI_SUCCESS;
}
