git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8109 6f19259b-4bc3-4df7-8a09-765794883524
		
			
				
	
	
		
			610 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			610 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /** @file
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|   Language settings
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| 
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| Copyright (c) 2004 - 2008, Intel Corporation. <BR>
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| All rights reserved. This program and the accompanying materials
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| are licensed and made available under the terms and conditions of the BSD License
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| which accompanies this distribution.  The full text of the license may be found at
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| http://opensource.org/licenses/bsd-license.php
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| 
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| THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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| WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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| 
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| **/
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| 
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| #include "Language.h"
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| #include "FrontPage.h"
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| 
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| //
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| // Lookup table of ISO639-2 3 character language codes to ISO 639-1 2 character language codes
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| // Each entry is 5 CHAR8 values long.  The first 3 CHAR8 values are the ISO 639-2 code.
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| // The last 2 CHAR8 values are the ISO 639-1 code.
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| //
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| GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 Iso639ToRfc3066ConversionTable[] =
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| "\
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| aaraa\
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| abkab\
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| afraf\
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| amham\
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| araar\
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| asmas\
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| aymay\
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| azeaz\
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| bakba\
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| belbe\
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| benbn\
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| bihbh\
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| bisbi\
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| bodbo\
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| brebr\
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| bulbg\
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| catca\
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| cescs\
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| corkw\
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| cosco\
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| cymcy\
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| danda\
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| deude\
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| dzodz\
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| ellel\
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| engen\
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| epoeo\
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| estet\
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| euseu\
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| faofo\
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| fasfa\
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| fijfj\
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| finfi\
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| frafr\
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| fryfy\
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| gaiga\
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| gdhgd\
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| glggl\
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| grngn\
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| gujgu\
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| hauha\
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| hebhe\
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| hinhi\
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| hrvhr\
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| hunhu\
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| hyehy\
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| ikuiu\
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| ileie\
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| inaia\
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| indid\
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| ipkik\
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| islis\
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| itait\
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| jawjw\
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| jpnja\
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| kalkl\
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| kankn\
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| kasks\
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| katka\
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| kazkk\
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| khmkm\
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| kinrw\
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| kirky\
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| korko\
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| kurku\
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| laolo\
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| latla\
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| lavlv\
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| linln\
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| litlt\
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| ltzlb\
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| malml\
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| marmr\
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| mkdmk\
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| mlgmg\
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| mltmt\
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| molmo\
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| monmn\
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| mrimi\
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| msams\
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| myamy\
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| nauna\
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| nepne\
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| nldnl\
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| norno\
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| ocioc\
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| ormom\
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| panpa\
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| polpl\
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| porpt\
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| pusps\
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| quequ\
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| rohrm\
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| ronro\
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| runrn\
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| rusru\
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| sagsg\
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| sansa\
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| sinsi\
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| slksk\
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| slvsl\
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| smise\
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| smosm\
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| snasn\
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| sndsd\
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| somso\
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| sotst\
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| spaes\
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| sqisq\
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| srpsr\
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| sswss\
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| sunsu\
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| swasw\
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| swesv\
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| tamta\
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| tattt\
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| telte\
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| tgktg\
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| tgltl\
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| thath\
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| tsnts\
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| tuktk\
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| twitw\
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| uigug\
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| ukruk\
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| urdur\
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| uzbuz\
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| vievi\
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| volvo\
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| wolwo\
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| xhoxh\
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| yidyi\
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| zhaza\
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| zhozh\
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| zulzu\
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| ";
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| 
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| #define NARROW_GLYPH_NUMBER 8
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| #define WIDE_GLYPH_NUMBER   75
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| 
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| EFI_GUID  mFontPackageGuid = {
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|   0x78941450, 0x90ab, 0x4fb1, {0xb7, 0x5f, 0x58, 0x92, 0x14, 0xe2, 0x4a, 0xc}
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| };
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| 
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| typedef struct {
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|   ///
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|   /// This 4-bytes total array length is required by HiiAddPackages()
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|   ///
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|   UINT32                 Length;
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| 
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|   //
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|   // This is the Font package definition
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|   //
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|   EFI_HII_PACKAGE_HEADER Header;
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|   UINT16                 NumberOfNarrowGlyphs;
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|   UINT16                 NumberOfWideGlyphs;
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|   EFI_NARROW_GLYPH       NarrowArray[NARROW_GLYPH_NUMBER];
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|   EFI_WIDE_GLYPH         WideArray[WIDE_GLYPH_NUMBER];
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| } FONT_PACK_BIN;
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| 
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| FONT_PACK_BIN mFontBin = {
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|   sizeof (FONT_PACK_BIN),
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|   {
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|     sizeof (FONT_PACK_BIN) - sizeof (UINT32),
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|     EFI_HII_PACKAGE_SIMPLE_FONTS,
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|   },
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|   NARROW_GLYPH_NUMBER,
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|   0,
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|   {     // Narrow Glyphs
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|     {
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|       0x05d0,
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|       0x00,
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|       {
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|         0x00,
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|         0x00,
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|         0x00,
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|         0x4E,
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|         0x6E,
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|         0x62,
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|         0x32,
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|         0x32,
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|         0x3C,
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|         0x68,
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|         0x4C,
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|         0x4C,
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|         0x46,
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|         0x76,
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|         0x72,
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|         0x00,
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|         0x00,
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|         0x00,
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|         0x00
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|       }
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|     },
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|     {
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|       0x05d1,
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|       0x00,
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|       {
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|         0x00,
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|         0x00,
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|         0x00,
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|         0x78,
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|         0x7C,
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|         0x0C,
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|         0x0C,
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|         0x0C,
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|         0x0C,
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|         0x0C,
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|         0x0C,
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|         0x0C,
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|         0x0C,
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|         0x7E,
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|         0x7E,
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|         0x00,
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|         0x00,
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|         0x00,
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|         0x00
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|       }
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|     },
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|     {
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|       0x05d2,
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|       0x00,
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|       {
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|         0x00,
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|         0x00,
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|         0x00,
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|         0x78,
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|         0x7C,
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|         0x0C,
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|         0x0C,
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|         0x0C,
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|         0x0C,
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|         0x0C,
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|         0x0C,
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|         0x1C,
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|         0x3E,
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|         0x66,
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|         0x66,
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|         0x00,
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|         0x00,
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|         0x00,
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|         0x00
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|       }
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|     },
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|     {
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|       0x05d3,
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|       0x00,
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|       {
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|         0x00,
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|         0x00,
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|         0x00,
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|         0x7E,
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|         0x7E,
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|         0x0C,
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|         0x0C,
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|         0x0C,
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|         0x0C,
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|         0x0C,
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|         0x0C,
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|         0x0C,
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|         0x0C,
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|         0x0C,
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|         0x0C,
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|         0x00,
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|         0x00,
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|         0x00,
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|         0x00
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|       }
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|     },
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|     {
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|       0x05d4,
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|       0x00,
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|       {
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|         0x00,
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|         0x00,
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|         0x00,
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|         0x7C,
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|         0x7E,
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|         0x06,
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|         0x06,
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|         0x06,
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|         0x06,
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|         0x66,
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|         0x66,
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|         0x66,
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|         0x66,
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|         0x66,
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|         0x66,
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|         0x00,
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|         0x00,
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|         0x00,
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|         0x00
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|       }
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|     },
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|     {
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|       0x05d5,
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|       0x00,
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|       {
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|         0x00,
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|         0x00,
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|         0x00,
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|         0x3C,
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|         0x3C,
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|         0x0C,
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|         0x0C,
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|         0x0C,
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|         0x0C,
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|         0x0C,
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|         0x0C,
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|         0x0C,
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|         0x0C,
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|         0x0C,
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|         0x0C,
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|         0x00,
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|         0x00,
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|         0x00,
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|         0x00
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|       }
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|     },
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|     {
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|       0x05d6,
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|       0x00,
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|       {
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|         0x00,
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|         0x00,
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|         0x00,
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|         0x38,
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|         0x38,
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|         0x1E,
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|         0x1E,
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|         0x18,
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|         0x18,
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|         0x18,
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|         0x18,
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|         0x18,
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|         0x18,
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|         0x18,
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|         0x18,
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|         0x00,
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|         0x00,
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|         0x00,
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|         0x00
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|       }
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|     },
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|     {
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|       0x0000,
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|       0x00,
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|       {
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|         0x00,
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|         0x00,
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|         0x00,
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|         0x00,
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|         0x00,
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|         0x00,
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|         0x00,
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|         0x00,
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|         0x00,
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|         0x00,
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|         0x00,
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|         0x00,
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|         0x00,
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|         0x00,
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|         0x00,
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|         0x00,
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|         0x00,
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|         0x00,
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|         0x00
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|       }
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|     }
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|   }
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| };
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| 
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| /**
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|   Routine to export glyphs to the HII database.  This is in addition to whatever is defined in the Graphics Console driver.
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| 
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| **/
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| VOID
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| ExportFonts (
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|   VOID
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|   )
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| {
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|   EFI_HII_HANDLE               HiiHandle;
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| 
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|   HiiHandle = HiiAddPackages (
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|                 &mFontPackageGuid,
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|                 mBdsImageHandle,
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|                 &mFontBin,
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|                 NULL
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|                 );
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|   ASSERT (HiiHandle != NULL);
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| }
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| 
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| /**
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|   Convert language code from RFC3066 to ISO639-2.
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| 
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|   @param  LanguageRfc3066        RFC3066 language code.
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|   @param  LanguageIso639         ISO639-2 language code.
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| 
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|   @retval EFI_SUCCESS            Language code converted.
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|   @retval EFI_NOT_FOUND          Language code not found.
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| 
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| **/
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| EFI_STATUS
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| EFIAPI
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| ConvertRfc3066LanguageToIso639Language (
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|   IN  CHAR8   *LanguageRfc3066,
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|   OUT CHAR8   *LanguageIso639
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|   )
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| {
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|   UINTN  Index;
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| 
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|   if ((LanguageRfc3066[2] != '-') && (LanguageRfc3066[2] != 0)) {
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|     CopyMem (LanguageIso639, LanguageRfc3066, 3);
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|     return EFI_SUCCESS;
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|   }
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| 
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|   for (Index = 0; Iso639ToRfc3066ConversionTable[Index] != 0; Index += 5) {
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|     if (CompareMem (LanguageRfc3066, &Iso639ToRfc3066ConversionTable[Index + 3], 2) == 0) {
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|       CopyMem (LanguageIso639, &Iso639ToRfc3066ConversionTable[Index], 3);
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|       return EFI_SUCCESS;
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|     }
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|   }
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| 
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|   return EFI_NOT_FOUND;
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| }
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| 
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| /**
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|   Get next language from language code list (with separator ';').
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| 
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|   If LangCode is NULL, then ASSERT.
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|   If Lang is NULL, then ASSERT.
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| 
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|   @param  LangCode    On input: point to first language in the list. On
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|                                  output: point to next language in the list, or
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|                                  NULL if no more language in the list.
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|   @param  Lang           The first language in the list.
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| 
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| **/
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| VOID
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| EFIAPI
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| GetNextLanguage (
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|   IN OUT CHAR8      **LangCode,
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|   OUT CHAR8         *Lang
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|   )
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| {
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|   UINTN  Index;
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|   CHAR8  *StringPtr;
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| 
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|   ASSERT (LangCode != NULL);
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|   ASSERT (*LangCode != NULL);
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|   ASSERT (Lang != NULL);
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| 
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|   Index = 0;
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|   StringPtr = *LangCode;
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|   while (StringPtr[Index] != 0 && StringPtr[Index] != ';') {
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|     Index++;
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|   }
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| 
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|   CopyMem (Lang, StringPtr, Index);
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|   Lang[Index] = 0;
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| 
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|   if (StringPtr[Index] == ';') {
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|     Index++;
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|   }
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|   *LangCode = StringPtr + Index;
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| }
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| 
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| /**
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|   Determine the current language that will be used
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|   based on language related EFI Variables.
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| 
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|   @param LangCodesSettingRequired - If required to set LangCode variable
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| 
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| **/
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| VOID
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| InitializeLanguage (
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|   BOOLEAN LangCodesSettingRequired
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|   )
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| {
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|   EFI_STATUS  Status;
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|   UINTN       Size;
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|   CHAR8       *Lang;
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|   CHAR8       LangCode[ISO_639_2_ENTRY_SIZE];
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|   CHAR8       *LangCodes;
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|   CHAR8       *PlatformLang;
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|   CHAR8       *PlatformLangCodes;
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|   UINTN       Index;
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|   BOOLEAN     Invalid;
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| 
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|   ExportFonts ();
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| 
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|   LangCodes = (CHAR8 *)PcdGetPtr (PcdUefiVariableDefaultLangCodes);
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|   if (LangCodesSettingRequired) {
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|     if (!FeaturePcdGet (PcdUefiVariableDefaultLangDeprecate)) {
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|       //
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|       // UEFI 2.1 depricated this variable so we support turning it off
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|       //
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|       Status = gRT->SetVariable (
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|                       L"LangCodes",
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|                       &gEfiGlobalVariableGuid,
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|                       EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
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|                       AsciiStrLen (LangCodes),
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|                       LangCodes
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|                       );
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|     }
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| 
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| 
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|     PlatformLangCodes = (CHAR8 *)PcdGetPtr (PcdUefiVariableDefaultPlatformLangCodes);
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|     Status = gRT->SetVariable (
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|                     L"PlatformLangCodes",
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|                     &gEfiGlobalVariableGuid,
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|                     EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
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|                     AsciiStrSize (PlatformLangCodes),
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|                     PlatformLangCodes
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|                     );
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|   }
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| 
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|   if (!FeaturePcdGet (PcdUefiVariableDefaultLangDeprecate)) {
 | |
|     //
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|     // UEFI 2.1 depricated this variable so we support turning it off
 | |
|     //
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| 
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|     //
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|     // Find current LangCode from Lang NV Variable
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|     //
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|     Size = ISO_639_2_ENTRY_SIZE;
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|     Status = gRT->GetVariable (
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|                     L"Lang",
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|                     &gEfiGlobalVariableGuid,
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|                     NULL,
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|                     &Size,
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|                     &LangCode
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|                     );
 | |
|     if (!EFI_ERROR (Status)) {
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|       Status = EFI_NOT_FOUND;
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|       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)) {
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|       Lang = (CHAR8 *)PcdGetPtr (PcdUefiVariableDefaultLang);
 | |
|       Status = gRT->SetVariable (
 | |
|                       L"Lang",
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|                       &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
 | |
|                     );
 | |
|   }
 | |
| }
 |