/**
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 Pos;
UINTN Bit;
UINT16 NewValuePos;
UINT16 Index3;
UINT16 Index2;
UINT16 Index;
UINT8 *OldLegacyDev;
UINT8 *NewLegacyDev;
UINT8 *DisMap;
if (Action != EFI_BROWSER_ACTION_CHANGING && Action != EFI_BROWSER_ACTION_CHANGED) {
//
// All other action return unsupported.
//
return EFI_UNSUPPORTED;
}
Status = EFI_SUCCESS;
OldValue = 0;
NewValue = 0;
Number = 0;
OldLegacyDev = NULL;
NewLegacyDev = NULL;
NewValuePos = 0;
DisMap = NULL;
Private = BMM_CALLBACK_DATA_FROM_THIS (This);
//
// Retrive uncommitted data from Form Browser
//
CurrentFakeNVMap = &Private->BmmFakeNvData;
HiiGetBrowserData (&gBootMaintFormSetGuid, mBootMaintStorageName, sizeof (BMM_FAKE_NV_DATA), (UINT8 *) CurrentFakeNVMap);
if (Action == EFI_BROWSER_ACTION_CHANGING) {
if (Value == NULL) {
return EFI_INVALID_PARAMETER;
}
UpdatePageId (Private, QuestionId);
//
// need to be subtituded.
//
// Update Select FD/HD/CD/NET/BEV Order Form
//
if ((QuestionId >= LEGACY_FD_QUESTION_ID) && (QuestionId < LEGACY_BEV_QUESTION_ID + MAX_MENU_NUMBER)) {
DisMap = Private->BmmOldFakeNVData.DisableMap;
if (QuestionId >= LEGACY_FD_QUESTION_ID && QuestionId < LEGACY_FD_QUESTION_ID + MAX_MENU_NUMBER) {
Number = (UINT16) LegacyFDMenu.MenuNumber;
OldLegacyDev = Private->BmmOldFakeNVData.LegacyFD;
NewLegacyDev = CurrentFakeNVMap->LegacyFD;
} else if (QuestionId >= LEGACY_HD_QUESTION_ID && QuestionId < LEGACY_HD_QUESTION_ID + MAX_MENU_NUMBER) {
Number = (UINT16) LegacyHDMenu.MenuNumber;
OldLegacyDev = Private->BmmOldFakeNVData.LegacyHD;
NewLegacyDev = CurrentFakeNVMap->LegacyHD;
} else if (QuestionId >= LEGACY_CD_QUESTION_ID && QuestionId < LEGACY_CD_QUESTION_ID + MAX_MENU_NUMBER) {
Number = (UINT16) LegacyCDMenu.MenuNumber;
OldLegacyDev = Private->BmmOldFakeNVData.LegacyCD;
NewLegacyDev = CurrentFakeNVMap->LegacyCD;
} else if (QuestionId >= LEGACY_NET_QUESTION_ID && QuestionId < LEGACY_NET_QUESTION_ID + MAX_MENU_NUMBER) {
Number = (UINT16) LegacyNETMenu.MenuNumber;
OldLegacyDev = Private->BmmOldFakeNVData.LegacyNET;
NewLegacyDev = CurrentFakeNVMap->LegacyNET;
} else if (QuestionId >= LEGACY_BEV_QUESTION_ID && QuestionId < LEGACY_BEV_QUESTION_ID + MAX_MENU_NUMBER) {
Number = (UINT16) LegacyBEVMenu.MenuNumber;
OldLegacyDev = Private->BmmOldFakeNVData.LegacyBEV;
NewLegacyDev = CurrentFakeNVMap->LegacyBEV;
}
//
// First, find the different position
// if there is change, it should be only one
//
for (Index = 0; Index < Number; Index++) {
if (OldLegacyDev[Index] != NewLegacyDev[Index]) {
OldValue = OldLegacyDev[Index];
NewValue = NewLegacyDev[Index];
break;
}
}
if (Index != Number) {
//
// there is change, now process
//
if (0xFF == NewValue) {
//
// This item will be disable
// Just move the items behind this forward to overlap it
//
Pos = OldValue / 8;
Bit = 7 - (OldValue % 8);
DisMap[Pos] = (UINT8) (DisMap[Pos] | (UINT8) (1 << Bit));
for (Index2 = Index; Index2 < Number - 1; Index2++) {
NewLegacyDev[Index2] = NewLegacyDev[Index2 + 1];
}
NewLegacyDev[Index2] = 0xFF;
} else {
for (Index2 = 0; Index2 < Number; Index2++) {
if (Index2 == Index) {
continue;
}
if (OldLegacyDev[Index2] == NewValue) {
//
// If NewValue is in OldLegacyDev array
// remember its old position
//
NewValuePos = Index2;
break;
}
}
if (Index2 != Number) {
//
// We will change current item to an existing item
// (It's hard to describe here, please read code, it's like a cycle-moving)
//
for (Index2 = NewValuePos; Index2 != Index;) {
if (NewValuePos < Index) {
NewLegacyDev[Index2] = OldLegacyDev[Index2 + 1];
Index2++;
} else {
NewLegacyDev[Index2] = OldLegacyDev[Index2 - 1];
Index2--;
}
}
} else {
//
// If NewValue is not in OldlegacyDev array, we are changing to a disabled item
// so we should modify DisMap to reflect the change
//
Pos = NewValue / 8;
Bit = 7 - (NewValue % 8);
DisMap[Pos] = (UINT8) (DisMap[Pos] & (~ (UINT8) (1 << Bit)));
if (0xFF != OldValue) {
//
// Because NewValue is a item that was disabled before
// so after changing the OldValue should be disabled
// actually we are doing a swap of enable-disable states of two items
//
Pos = OldValue / 8;
Bit = 7 - (OldValue % 8);
DisMap[Pos] = (UINT8) (DisMap[Pos] | (UINT8) (1 << Bit));
}
}
}
//
// To prevent DISABLE appears in the middle of the list
// we should perform a re-ordering
//
Index3 = Index;
Index = 0;
while (Index < Number) {
if (0xFF != NewLegacyDev[Index]) {
Index++;
continue;
}
Index2 = Index;
Index2++;
while (Index2 < Number) {
if (0xFF != NewLegacyDev[Index2]) {
break;
}
Index2++;
}
if (Index2 < Number) {
NewLegacyDev[Index] = NewLegacyDev[Index2];
NewLegacyDev[Index2] = 0xFF;
}
Index++;
}
CopyMem (
OldLegacyDev,
NewLegacyDev,
Number
);
//
// Return correct question value.
//
Value->u8 = NewLegacyDev[Index3];
}
}
if (QuestionId < FILE_OPTION_OFFSET) {
if (QuestionId < CONFIG_OPTION_OFFSET) {
switch (QuestionId) {
case KEY_VALUE_BOOT_FROM_FILE:
Private->FeCurrentState = FileExplorerStateBootFromFile;
break;
case FORM_BOOT_ADD_ID:
Private->FeCurrentState = FileExplorerStateAddBootOption;
break;
case FORM_DRV_ADD_FILE_ID:
Private->FeCurrentState = FileExplorerStateAddDriverOptionState;
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;
case FORM_SET_FD_ORDER_ID:
case FORM_SET_HD_ORDER_ID:
case FORM_SET_CD_ORDER_ID:
case FORM_SET_NET_ORDER_ID:
case FORM_SET_BEV_ORDER_ID:
CleanUpPage (QuestionId, Private);
UpdateSetLegacyDeviceOrderPage (QuestionId, Private);
break;
default:
break;
}
} else if ((QuestionId >= TERMINAL_OPTION_OFFSET) && (QuestionId < CONSOLE_OPTION_OFFSET)) {
Index2 = (UINT16) (QuestionId - TERMINAL_OPTION_OFFSET);
Private->CurrentTerminal = Index2;
CleanUpPage (FORM_CON_COM_SETUP_ID, Private);
UpdateTerminalPage (Private);
} else if (QuestionId >= HANDLE_OPTION_OFFSET) {
Index2 = (UINT16) (QuestionId - HANDLE_OPTION_OFFSET);
NewMenuEntry = BOpt_GetMenuEntry (&DriverMenu, Index2);
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);
}
}
} 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 (&gBootMaintFormSetGuid, mBootMaintStorageName, sizeof (BMM_FAKE_NV_DATA), (UINT8 *) CurrentFakeNVMap, NULL);
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;
}
