/**
Determine the current language that will be used
based on language related EFI Variables.
@param LangCodesSettingRequired - If required to set LangCodes variable
**/
VOID
InitializeLanguage (
BOOLEAN LangCodesSettingRequired
)
{
EFI_STATUS Status;
CHAR8 *LangCodes;
CHAR8 *PlatformLangCodes;
ExportFonts ();
LangCodes = (CHAR8 *)PcdGetPtr (PcdUefiVariableDefaultLangCodes);
PlatformLangCodes = (CHAR8 *)PcdGetPtr (PcdUefiVariableDefaultPlatformLangCodes);
if (LangCodesSettingRequired) {
if (!FeaturePcdGet (PcdUefiVariableDefaultLangDeprecate)) {
//
// UEFI 2.0 depricated this variable so we support turning it off
//
Status = gRT->SetVariable (
L"LangCodes",
&gEfiGlobalVariableGuid,
EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
AsciiStrSize (LangCodes),
LangCodes
);
//
// Platform needs to make sure setting volatile variable before calling 3rd party code shouldn't fail.
//
ASSERT_EFI_ERROR (Status);
}
Status = gRT->SetVariable (
L"PlatformLangCodes",
&gEfiGlobalVariableGuid,
EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
AsciiStrSize (PlatformLangCodes),
PlatformLangCodes
);
//
// Platform needs to make sure setting volatile variable before calling 3rd party code shouldn't fail.
//
ASSERT_EFI_ERROR (Status);
}
if (!FeaturePcdGet (PcdUefiVariableDefaultLangDeprecate)) {
//
// UEFI 2.0 depricated this variable so we support turning it off
//
InitializeLangVariable (L"Lang", LangCodes, (CHAR8 *) PcdGetPtr (PcdUefiVariableDefaultLang), TRUE);
}
InitializeLangVariable (L"PlatformLang", PlatformLangCodes, (CHAR8 *) PcdGetPtr (PcdUefiVariableDefaultPlatformLang), FALSE);
}
VOID
InitializeLanguage (
BOOLEAN LangCodesSettingRequired
)
/*++
Routine Description:
Determine the current language that will be used
based on language related EFI Variables
Arguments:
LangCodesSettingRequired - If required to set LangCode variable
Returns:
--*/
{
EFI_STATUS Status;
UINTN Size;
CHAR8 Lang[RFC_3066_ENTRY_SIZE];
CHAR8 CurrentLang[RFC_3066_ENTRY_SIZE];
CHAR8 *LangCodes;
CHAR8 *LangStrings;
#ifdef LANG_SUPPORT
CHAR8 *OldLangCodes;
CHAR8 OldLang[ISO_639_2_ENTRY_SIZE];
#endif
ExportFonts ();
//
// Collect the languages from what our current Language support is based on our VFR
//
LangCodes = GetSupportedLanguages (gStringPackHandle);
ASSERT (LangCodes != NULL);
if (LangCodesSettingRequired) {
Status = gRT->SetVariable (
L"PlatformLangCodes",
&gEfiGlobalVariableGuid,
EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
EfiAsciiStrSize (LangCodes),
LangCodes
);
#ifdef LANG_SUPPORT
//
// Set UEFI deprecated variable "LangCodes" for backwards compatibility
//
OldLangCodes = Rfc3066ToIso639 (LangCodes);
Status = gRT->SetVariable (
L"LangCodes",
&gEfiGlobalVariableGuid,
EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
EfiAsciiStrLen (OldLangCodes),
OldLangCodes
);
gBS->FreePool (OldLangCodes);
#endif
}
//
// Find current LangCode from Lang NV Variable
//
Size = RFC_3066_ENTRY_SIZE;
Status = gRT->GetVariable (
L"PlatformLang",
&gEfiGlobalVariableGuid,
NULL,
&Size,
CurrentLang
);
if (!EFI_ERROR (Status)) {
Status = EFI_NOT_FOUND;
LangStrings = LangCodes;
while (*LangStrings != 0) {
GetNextLanguage (&LangStrings, Lang);
if (EfiAsciiStrCmp (Lang, CurrentLang) == 0) {
Status = EFI_SUCCESS;
break;
}
}
}
//
// If we cannot get language code from variable,
// or LangCode cannot be found from language table,
// set the first language in language table to variable.
//
if (EFI_ERROR (Status)) {
LangStrings = LangCodes;
GetNextLanguage (&LangStrings, Lang);
Status = gRT->SetVariable (
L"PlatformLang",
&gEfiGlobalVariableGuid,
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
EfiAsciiStrSize (mDefaultLangCode),
Lang
);
#ifdef LANG_SUPPORT
//
// Set UEFI deprecated variable "Lang" for backwards compatibility
//
Status = ConvertRfc3066LanguageToIso639Language (mDefaultLangCode, OldLang);
if (!EFI_ERROR (Status)) {
Status = gRT->SetVariable (
L"Lang",
&gEfiGlobalVariableGuid,
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
ISO_639_2_ENTRY_SIZE,
OldLang
);
}
#endif
}
if (LangCodes != NULL) {
gBS->FreePool (LangCodes);
}
}
/**
The user Entry Point for Application. The user code starts with this function
as the real entry point for the image goes into a library that calls this
function.
@param[in] ImageHandle The firmware allocated handle for the EFI image.
@param[in] SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS The entry point is executed successfully.
@retval other Some error occurs when executing this entry point.
**/
EFI_STATUS
EFIAPI
InitializeUserInterface (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_HII_HANDLE HiiHandle;
EFI_STATUS Status;
EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *SimpleTextOut;
UINTN BootTextColumn;
UINTN BootTextRow;
if (!mModeInitialized) {
//
// After the console is ready, get current video resolution
// and text mode before launching setup at first time.
//
Status = gBS->HandleProtocol (
gST->ConsoleOutHandle,
&gEfiGraphicsOutputProtocolGuid,
(VOID**)&GraphicsOutput
);
if (EFI_ERROR (Status)) {
GraphicsOutput = NULL;
}
Status = gBS->HandleProtocol (
gST->ConsoleOutHandle,
&gEfiSimpleTextOutProtocolGuid,
(VOID**)&SimpleTextOut
);
if (EFI_ERROR (Status)) {
SimpleTextOut = NULL;
}
if (GraphicsOutput != NULL) {
//
// Get current video resolution and text mode.
//
mBootHorizontalResolution = GraphicsOutput->Mode->Info->HorizontalResolution;
mBootVerticalResolution = GraphicsOutput->Mode->Info->VerticalResolution;
}
if (SimpleTextOut != NULL) {
Status = SimpleTextOut->QueryMode (
SimpleTextOut,
SimpleTextOut->Mode->Mode,
&BootTextColumn,
&BootTextRow
);
mBootTextModeColumn = (UINT32)BootTextColumn;
mBootTextModeRow = (UINT32)BootTextRow;
}
//
// Get user defined text mode for setup.
//
mSetupHorizontalResolution = PcdGet32 (PcdSetupVideoHorizontalResolution);
mSetupVerticalResolution = PcdGet32 (PcdSetupVideoVerticalResolution);
mSetupTextModeColumn = PcdGet32 (PcdSetupConOutColumn);
mSetupTextModeRow = PcdGet32 (PcdSetupConOutRow);
mModeInitialized = TRUE;
}
gBS->SetWatchdogTimer (0x0000, 0x0000, 0x0000, NULL);
gST->ConOut->ClearScreen (gST->ConOut);
//
// Install customized fonts needed by Front Page
//
HiiHandle = ExportFonts ();
ASSERT (HiiHandle != NULL);
InitializeStringSupport ();
UiSetConsoleMode (TRUE);
UiEntry (FALSE);
UiSetConsoleMode (FALSE);
UninitializeStringSupport ();
HiiRemovePackages (HiiHandle);
return EFI_SUCCESS;
}
/**
Determine the current language that will be used
based on language related EFI Variables.
@param LangCodesSettingRequired - If required to set LangCode variable
**/
VOID
InitializeLanguage (
BOOLEAN LangCodesSettingRequired
)
{
EFI_STATUS Status;
UINTN Size;
CHAR8 *Lang;
CHAR8 LangCode[ISO_639_2_ENTRY_SIZE + 1];
CHAR8 *LangCodes;
CHAR8 *PlatformLang;
CHAR8 *PlatformLangCodes;
UINTN Index;
BOOLEAN Invalid;
ExportFonts ();
LangCodes = (CHAR8 *)PcdGetPtr (PcdUefiVariableDefaultLangCodes);
if (LangCodesSettingRequired) {
if (!FeaturePcdGet (PcdUefiVariableDefaultLangDeprecate)) {
//
// UEFI 2.1 depricated this variable so we support turning it off
//
Status = gRT->SetVariable (
L"LangCodes",
&gEfiGlobalVariableGuid,
EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
AsciiStrSize (LangCodes),
LangCodes
);
}
PlatformLangCodes = (CHAR8 *)PcdGetPtr (PcdUefiVariableDefaultPlatformLangCodes);
Status = gRT->SetVariable (
L"PlatformLangCodes",
&gEfiGlobalVariableGuid,
EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
AsciiStrSize (PlatformLangCodes),
PlatformLangCodes
);
}
if (!FeaturePcdGet (PcdUefiVariableDefaultLangDeprecate)) {
//
// UEFI 2.1 depricated this variable so we support turning it off
//
//
// Find current LangCode from Lang NV Variable
//
Size = ISO_639_2_ENTRY_SIZE + 1;
Status = gRT->GetVariable (
L"Lang",
&gEfiGlobalVariableGuid,
NULL,
&Size,
&LangCode
);
if (!EFI_ERROR (Status)) {
Status = EFI_NOT_FOUND;
for (Index = 0; LangCodes[Index] != 0; Index += ISO_639_2_ENTRY_SIZE) {
if (CompareMem (&LangCodes[Index], LangCode, ISO_639_2_ENTRY_SIZE) == 0) {
Status = EFI_SUCCESS;
break;
}
}
}
//
// If we cannot get language code from Lang variable,
// or LangCode cannot be found from language table,
// set the mDefaultLangCode to Lang variable.
//
if (EFI_ERROR (Status)) {
Lang = (CHAR8 *)PcdGetPtr (PcdUefiVariableDefaultLang);
Status = gRT->SetVariable (
L"Lang",
&gEfiGlobalVariableGuid,
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
ISO_639_2_ENTRY_SIZE + 1,
Lang
);
}
}
Invalid = FALSE;
PlatformLang = BdsLibGetVariableAndSize (L"PlatformLang", &gEfiGlobalVariableGuid, &Size);
if (PlatformLang != NULL) {
//
// Check Current PlatformLang value against PlatformLangCode. Need a library that is TBD
// Set Invalid based on state of PlatformLang.
//
FreePool (PlatformLang);
} else {
// No valid variable is set
Invalid = TRUE;
}
if (Invalid) {
PlatformLang = (CHAR8 *)PcdGetPtr (PcdUefiVariableDefaultPlatformLang);
Status = gRT->SetVariable (
L"PlatformLang",
&gEfiGlobalVariableGuid,
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
AsciiStrSize (PlatformLang),
PlatformLang
);
}
}
