/**
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
)
{
EFI_STATUS Status;
EFI_BROWSER_ACTION_REQUEST ActionRequest;
while (TRUE) {
UpdatePageId (CallbackData, FORM_MAIN_ID);
ActionRequest = EFI_BROWSER_ACTION_REQUEST_NONE;
Status = gFormBrowser2->SendForm (
gFormBrowser2,
&CallbackData->BmmHiiHandle,
1,
&gBootMaintFormSetGuid,
0,
NULL,
&ActionRequest
);
if (ActionRequest == EFI_BROWSER_ACTION_REQUEST_RESET) {
EnableResetRequired ();
}
ReclaimStringDepository ();
//
// When this Formset returns, check if we are going to explore files.
//
if (FileExplorerStateInActive != CallbackData->FeCurrentState) {
UpdateFileExplorer (CallbackData, 0);
ActionRequest = EFI_BROWSER_ACTION_REQUEST_NONE;
Status = gFormBrowser2->SendForm (
gFormBrowser2,
&CallbackData->FeHiiHandle,
1,
&gFileExploreFormSetGuid,
0,
NULL,
&ActionRequest
);
if (ActionRequest == EFI_BROWSER_ACTION_REQUEST_RESET) {
EnableResetRequired ();
}
CallbackData->FeCurrentState = FileExplorerStateInActive;
CallbackData->FeDisplayContext = FileExplorerDisplayUnknown;
ReclaimStringDepository ();
} else {
break;
}
}
return Status;
}
/**
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
FrontPageCallback (
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
)
{
CHAR8 *LangCode;
CHAR8 *Lang;
UINTN Index;
EFI_STATUS Status;
//
//Chech whether exit from BMM and reenter frontpage,if yes,reclaim string depositories
//
if (Action == EFI_BROWSER_ACTION_FORM_OPEN){
if (mEnterBmm){
ReclaimStringDepository();
mEnterBmm = FALSE;
}
}
if (Action != EFI_BROWSER_ACTION_CHANGING && Action != EFI_BROWSER_ACTION_CHANGED) {
//
// Do nothing for other UEFI Action. Only do call back when data is changed.
//
return EFI_UNSUPPORTED;
}
if (Action == EFI_BROWSER_ACTION_CHANGED) {
if ((Value == NULL) || (ActionRequest == NULL)) {
return EFI_INVALID_PARAMETER;
}
switch (QuestionId) {
case FRONT_PAGE_KEY_CONTINUE:
//
// This is the continue - clear the screen and return an error to get out of FrontPage loop
//
*ActionRequest = EFI_BROWSER_ACTION_REQUEST_EXIT;
break;
case FRONT_PAGE_KEY_LANGUAGE:
//
// Allocate working buffer for RFC 4646 language in supported LanguageString.
//
Lang = AllocatePool (AsciiStrSize (mLanguageString));
ASSERT (Lang != NULL);
Index = 0;
LangCode = mLanguageString;
while (*LangCode != 0) {
GetNextLanguage (&LangCode, Lang);
if (Index == Value->u8) {
break;
}
Index++;
}
if (Index == Value->u8) {
Status = gRT->SetVariable (
L"PlatformLang",
&gEfiGlobalVariableGuid,
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
AsciiStrSize (Lang),
Lang
);
ASSERT_EFI_ERROR(Status);
} else {
ASSERT (FALSE);
}
FreePool (Lang);
//
//Current language of platform is changed,recreate oneof options for language.
//
InitializeLanguage();
break;
default:
break;
}
} else if (Action == EFI_BROWSER_ACTION_CHANGING) {
if (Value == NULL) {
return EFI_INVALID_PARAMETER;
}
//
// The first 4 entries in the Front Page are to be GUARANTEED to remain constant so IHV's can
// describe to their customers in documentation how to find their setup information (namely
// under the device manager and specific buckets)
//
switch (QuestionId) {
case FRONT_PAGE_KEY_BOOT_MANAGER:
//
// Boot Manager
//
EnumerateBootOptions ();
break;
case FRONT_PAGE_KEY_DEVICE_MANAGER:
//
// Device Manager
//
CreateDeviceManagerForm(DEVICE_MANAGER_FORM_ID);
break;
case FRONT_PAGE_KEY_BOOT_MAINTAIN:
//
// Boot Maintenance Manager
//
InitializeBM ();
mEnterBmm = TRUE;
break;
default:
break;
}
}
return EFI_SUCCESS;
}
/**
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.
@retval EFI_INVALID_PARAMETER The parameter of Value or ActionRequest is invalid.
**/
EFI_STATUS
EFIAPI
BootMaintCallback (
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
)
{
BMM_CALLBACK_DATA *Private;
BM_MENU_ENTRY *NewMenuEntry;
BMM_FAKE_NV_DATA *CurrentFakeNVMap;
EFI_STATUS Status;
UINTN OldValue;
UINTN NewValue;
UINTN Number;
UINTN Index;
//
//Chech whether exit from FileExplorer and reenter BM,if yes,reclaim string depositories
//
if (Action == EFI_BROWSER_ACTION_FORM_OPEN){
if(mEnterFileExplorer ){
ReclaimStringDepository();
mEnterFileExplorer = FALSE;
}
}
if (Action != EFI_BROWSER_ACTION_CHANGING && Action != EFI_BROWSER_ACTION_CHANGED) {
//
// Do nothing for other UEFI Action. Only do call back when data is changed.
//
return EFI_UNSUPPORTED;
}
OldValue = 0;
NewValue = 0;
Number = 0;
Private = BMM_CALLBACK_DATA_FROM_THIS (This);
//
// Retrive uncommitted data from Form Browser
//
CurrentFakeNVMap = &Private->BmmFakeNvData;
HiiGetBrowserData (&mBootMaintGuid, mBootMaintStorageName, sizeof (BMM_FAKE_NV_DATA), (UINT8 *) CurrentFakeNVMap);
if (Action == EFI_BROWSER_ACTION_CHANGING) {
if (Value == NULL) {
return EFI_INVALID_PARAMETER;
}
UpdatePageId (Private, QuestionId);
if (QuestionId < FILE_OPTION_OFFSET) {
if (QuestionId < CONFIG_OPTION_OFFSET) {
switch (QuestionId) {
case FORM_BOOT_ADD_ID:
// Leave Bm and enter FileExplorer.
Private->FeCurrentState = FileExplorerStateAddBootOption;
Private->FeDisplayContext = FileExplorerDisplayUnknown;
ReclaimStringDepository ();
UpdateFileExplorer(Private, 0);
mEnterFileExplorer = TRUE;
break;
case FORM_DRV_ADD_FILE_ID:
// Leave Bm and enter FileExplorer.
Private->FeCurrentState = FileExplorerStateAddDriverOptionState;
Private->FeDisplayContext = FileExplorerDisplayUnknown;
ReclaimStringDepository ();
UpdateFileExplorer(Private, 0);
mEnterFileExplorer = TRUE;
break;
case FORM_DRV_ADD_HANDLE_ID:
CleanUpPage (FORM_DRV_ADD_HANDLE_ID, Private);
UpdateDrvAddHandlePage (Private);
break;
case FORM_BOOT_DEL_ID:
CleanUpPage (FORM_BOOT_DEL_ID, Private);
UpdateBootDelPage (Private);
break;
case FORM_BOOT_CHG_ID:
case FORM_DRV_CHG_ID:
UpdatePageBody (QuestionId, Private);
break;
case FORM_DRV_DEL_ID:
CleanUpPage (FORM_DRV_DEL_ID, Private);
UpdateDrvDelPage (Private);
break;
case FORM_BOOT_NEXT_ID:
CleanUpPage (FORM_BOOT_NEXT_ID, Private);
UpdateBootNextPage (Private);
break;
case FORM_TIME_OUT_ID:
CleanUpPage (FORM_TIME_OUT_ID, Private);
UpdateTimeOutPage (Private);
break;
case FORM_CON_IN_ID:
case FORM_CON_OUT_ID:
case FORM_CON_ERR_ID:
UpdatePageBody (QuestionId, Private);
break;
case FORM_CON_MODE_ID:
CleanUpPage (FORM_CON_MODE_ID, Private);
UpdateConModePage (Private);
break;
case FORM_CON_COM_ID:
CleanUpPage (FORM_CON_COM_ID, Private);
UpdateConCOMPage (Private);
break;
default:
break;
}
} else if ((QuestionId >= TERMINAL_OPTION_OFFSET) && (QuestionId < CONSOLE_OPTION_OFFSET)) {
Index = (UINT16) (QuestionId - TERMINAL_OPTION_OFFSET);
Private->CurrentTerminal = Index;
CleanUpPage (FORM_CON_COM_SETUP_ID, Private);
UpdateTerminalPage (Private);
} else if (QuestionId >= HANDLE_OPTION_OFFSET) {
Index = (UINT16) (QuestionId - HANDLE_OPTION_OFFSET);
NewMenuEntry = BOpt_GetMenuEntry (&DriverMenu, Index);
ASSERT (NewMenuEntry != NULL);
Private->HandleContext = (BM_HANDLE_CONTEXT *) NewMenuEntry->VariableContext;
CleanUpPage (FORM_DRV_ADD_HANDLE_DESC_ID, Private);
Private->MenuEntry = NewMenuEntry;
Private->LoadContext->FilePathList = Private->HandleContext->DevicePath;
UpdateDriverAddHandleDescPage (Private);
}
}
if (QuestionId == KEY_VALUE_BOOT_FROM_FILE){
// Leave Bm and enter FileExplorer.
Private->FeCurrentState = FileExplorerStateBootFromFile;
Private->FeDisplayContext = FileExplorerDisplayUnknown;
ReclaimStringDepository ();
UpdateFileExplorer(Private, 0);
mEnterFileExplorer = TRUE;
}
} else if (Action == EFI_BROWSER_ACTION_CHANGED) {
if ((Value == NULL) || (ActionRequest == NULL)) {
return EFI_INVALID_PARAMETER;
}
switch (QuestionId) {
case KEY_VALUE_SAVE_AND_EXIT:
case KEY_VALUE_NO_SAVE_AND_EXIT:
if (QuestionId == KEY_VALUE_SAVE_AND_EXIT) {
Status = ApplyChangeHandler (Private, CurrentFakeNVMap, Private->BmmPreviousPageId);
if (EFI_ERROR (Status)) {
return Status;
}
} else if (QuestionId == KEY_VALUE_NO_SAVE_AND_EXIT) {
DiscardChangeHandler (Private, CurrentFakeNVMap);
}
//
// Tell browser not to ask for confirmation of changes,
// since we have already applied or discarded.
//
*ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_SUBMIT_EXIT;
break;
case FORM_RESET:
gRT->ResetSystem (EfiResetCold, EFI_SUCCESS, 0, NULL);
return EFI_UNSUPPORTED;
default:
break;
}
}
//
// Pass changed uncommitted data back to Form Browser
//
HiiSetBrowserData (&mBootMaintGuid, mBootMaintStorageName, sizeof (BMM_FAKE_NV_DATA), (UINT8 *) CurrentFakeNVMap, NULL);
return EFI_SUCCESS;
}
