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audk/MdeModulePkg/Universal/BdsDxe/Language.c

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C
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/** @file
Language settings
Copyright (c) 2004 - 2008, Intel Corporation. <BR>
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "Language.h"
#include "FrontPage.h"
#define NARROW_GLYPH_NUMBER 8
#define WIDE_GLYPH_NUMBER 75
EFI_GUID mFontPackageGuid = {
0x78941450, 0x90ab, 0x4fb1, {0xb7, 0x5f, 0x58, 0x92, 0x14, 0xe2, 0x4a, 0xc}
};
typedef struct {
///
/// This 4-bytes total array length is required by HiiLibPreparePackageList()
///
UINT32 Length;
//
// This is the Font package definition
//
EFI_HII_PACKAGE_HEADER Header;
UINT16 NumberOfNarrowGlyphs;
UINT16 NumberOfWideGlyphs;
EFI_NARROW_GLYPH NarrowArray[NARROW_GLYPH_NUMBER];
EFI_WIDE_GLYPH WideArray[WIDE_GLYPH_NUMBER];
} FONT_PACK_BIN;
FONT_PACK_BIN mFontBin = {
sizeof (FONT_PACK_BIN),
{
sizeof (FONT_PACK_BIN) - sizeof (UINT32),
EFI_HII_PACKAGE_SIMPLE_FONTS,
},
NARROW_GLYPH_NUMBER,
0,
{ // Narrow Glyphs
{
0x05d0,
0x00,
{
0x00,
0x00,
0x00,
0x4E,
0x6E,
0x62,
0x32,
0x32,
0x3C,
0x68,
0x4C,
0x4C,
0x46,
0x76,
0x72,
0x00,
0x00,
0x00,
0x00
}
},
{
0x05d1,
0x00,
{
0x00,
0x00,
0x00,
0x78,
0x7C,
0x0C,
0x0C,
0x0C,
0x0C,
0x0C,
0x0C,
0x0C,
0x0C,
0x7E,
0x7E,
0x00,
0x00,
0x00,
0x00
}
},
{
0x05d2,
0x00,
{
0x00,
0x00,
0x00,
0x78,
0x7C,
0x0C,
0x0C,
0x0C,
0x0C,
0x0C,
0x0C,
0x1C,
0x3E,
0x66,
0x66,
0x00,
0x00,
0x00,
0x00
}
},
{
0x05d3,
0x00,
{
0x00,
0x00,
0x00,
0x7E,
0x7E,
0x0C,
0x0C,
0x0C,
0x0C,
0x0C,
0x0C,
0x0C,
0x0C,
0x0C,
0x0C,
0x00,
0x00,
0x00,
0x00
}
},
{
0x05d4,
0x00,
{
0x00,
0x00,
0x00,
0x7C,
0x7E,
0x06,
0x06,
0x06,
0x06,
0x66,
0x66,
0x66,
0x66,
0x66,
0x66,
0x00,
0x00,
0x00,
0x00
}
},
{
0x05d5,
0x00,
{
0x00,
0x00,
0x00,
0x3C,
0x3C,
0x0C,
0x0C,
0x0C,
0x0C,
0x0C,
0x0C,
0x0C,
0x0C,
0x0C,
0x0C,
0x00,
0x00,
0x00,
0x00
}
},
{
0x05d6,
0x00,
{
0x00,
0x00,
0x00,
0x38,
0x38,
0x1E,
0x1E,
0x18,
0x18,
0x18,
0x18,
0x18,
0x18,
0x18,
0x18,
0x00,
0x00,
0x00,
0x00
}
},
{
0x0000,
0x00,
{
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00
}
}
}
};
/**
Routine to export glyphs to the HII database. This is in addition to whatever is defined in the Graphics Console driver.
**/
VOID
ExportFonts (
VOID
)
{
EFI_STATUS Status;
EFI_HANDLE DriverHandle;
EFI_HII_HANDLE HiiHandle;
EFI_HII_PACKAGE_LIST_HEADER *PackageList;
//
// Create driver handle used by HII database
//
Status = HiiLibCreateHiiDriverHandle (&DriverHandle);
if (EFI_ERROR (Status)) {
return ;
}
PackageList = HiiLibPreparePackageList (1, &mFontPackageGuid, &mFontBin);
ASSERT (PackageList != NULL);
gHiiDatabase->NewPackageList (gHiiDatabase, PackageList, DriverHandle, &HiiHandle);
FreePool (PackageList);
}
/**
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];
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,
AsciiStrLen (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;
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,
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
);
}
}
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