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bc11b829 | 1 | /*++\r |
2 | \r | |
3 | Copyright (c) 2006 - 2007, Intel Corporation\r | |
4 | All rights reserved. This program and the accompanying materials\r | |
5 | are licensed and made available under the terms and conditions of the BSD License\r | |
6 | which accompanies this distribution. The full text of the license may be found at\r | |
7 | http://opensource.org/licenses/bsd-license.php\r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | language.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | Language settings\r | |
19 | \r | |
20 | Revision History\r | |
21 | \r | |
22 | --*/\r | |
40f18da1 | 23 | #include "Bds.h"\r |
06335580 | 24 | #include "BdsString.h"\r |
bc11b829 | 25 | #include "Language.h"\r |
26 | \r | |
bc11b829 | 27 | \r |
28 | VOID\r | |
29 | InitializeLanguage (\r | |
30 | BOOLEAN LangCodesSettingRequired\r | |
31 | )\r | |
32 | /*++\r | |
33 | \r | |
34 | Routine Description:\r | |
35 | Determine the current language that will be used\r | |
36 | based on language related EFI Variables\r | |
37 | \r | |
38 | Arguments:\r | |
39 | LangCodesSettingRequired - If required to set LangCode variable\r | |
40 | \r | |
41 | Returns:\r | |
42 | \r | |
43 | --*/\r | |
44 | {\r | |
45 | EFI_STATUS Status;\r | |
bc11b829 | 46 | UINTN Size;\r |
7658d609 | 47 | CHAR8 *Lang;\r |
bc11b829 | 48 | CHAR8 LangCode[ISO_639_2_ENTRY_SIZE];\r |
49 | CHAR8 *LangCodes;\r | |
7658d609 A |
50 | CHAR8 *PlatformLang;\r |
51 | CHAR8 *PlatformLangCodes;\r | |
52 | UINTN Index;\r | |
53 | BOOLEAN Invalid;\r | |
bc11b829 | 54 | \r |
bc11b829 | 55 | \r |
7658d609 A |
56 | LangCodes = (CHAR8 *)PcdGetPtr (PcdUefiVariableDefaultLangCodes);\r |
57 | if (LangCodesSettingRequired) {\r | |
58 | if (!FeaturePcdGet (PcdUefiVariableDefaultLangDepricate)) {\r | |
59 | //\r | |
60 | // UEFI 2.1 depricated this variable so we support turning it off\r | |
61 | //\r | |
62 | Status = gRT->SetVariable (\r | |
63 | L"LangCodes",\r | |
64 | &gEfiGlobalVariableGuid,\r | |
65 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r | |
66 | AsciiStrLen (LangCodes),\r | |
67 | LangCodes\r | |
68 | );\r | |
69 | }\r | |
bc11b829 | 70 | \r |
bc11b829 | 71 | \r |
7658d609 | 72 | PlatformLangCodes = (CHAR8 *)PcdGetPtr (PcdUefiVariableDefaultPlatformLangCodes);\r |
bc11b829 | 73 | Status = gRT->SetVariable (\r |
7658d609 | 74 | L"PlatformLangCodes",\r |
bc11b829 | 75 | &gEfiGlobalVariableGuid,\r |
76 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r | |
7658d609 A |
77 | AsciiStrSize (PlatformLangCodes),\r |
78 | PlatformLangCodes\r | |
bc11b829 | 79 | );\r |
80 | }\r | |
7658d609 A |
81 | \r |
82 | if (!FeaturePcdGet (PcdUefiVariableDefaultLangDepricate)) {\r | |
83 | //\r | |
84 | // UEFI 2.1 depricated this variable so we support turning it off\r | |
85 | //\r | |
86 | \r | |
87 | //\r | |
88 | // Find current LangCode from Lang NV Variable\r | |
89 | //\r | |
90 | Size = ISO_639_2_ENTRY_SIZE;\r | |
91 | Status = gRT->GetVariable (\r | |
bc11b829 | 92 | L"Lang",\r |
93 | &gEfiGlobalVariableGuid,\r | |
7658d609 A |
94 | NULL,\r |
95 | &Size,\r | |
96 | &LangCode\r | |
bc11b829 | 97 | );\r |
7658d609 A |
98 | if (!EFI_ERROR (Status)) {\r |
99 | Status = EFI_NOT_FOUND;\r | |
100 | for (Index = 0; LangCodes[Index] != 0; Index += ISO_639_2_ENTRY_SIZE) {\r | |
101 | if (CompareMem (&LangCodes[Index], LangCode, ISO_639_2_ENTRY_SIZE) == 0) {\r | |
102 | Status = EFI_SUCCESS;\r | |
103 | break;\r | |
104 | }\r | |
105 | }\r | |
106 | }\r | |
bc11b829 | 107 | \r |
7658d609 A |
108 | //\r |
109 | // If we cannot get language code from Lang variable,\r | |
110 | // or LangCode cannot be found from language table,\r | |
111 | // set the mDefaultLangCode to Lang variable.\r | |
112 | //\r | |
113 | if (EFI_ERROR (Status)) {\r | |
114 | Lang = (CHAR8 *)PcdGetPtr (PcdUefiVariableDefaultLang);\r | |
115 | Status = gRT->SetVariable (\r | |
116 | L"Lang",\r | |
117 | &gEfiGlobalVariableGuid,\r | |
118 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r | |
119 | ISO_639_2_ENTRY_SIZE,\r | |
120 | Lang\r | |
121 | );\r | |
122 | }\r | |
bc11b829 | 123 | }\r |
124 | \r | |
7658d609 A |
125 | Invalid = FALSE;\r |
126 | PlatformLang = BdsLibGetVariableAndSize (L"PlatformLang", &gEfiGlobalVariableGuid, &Size);\r | |
127 | if (PlatformLang != NULL) {\r | |
128 | //\r | |
129 | // Check Current PlatformLang value against PlatformLangCode. Need a library that is TBD\r | |
130 | // Set Invalid based on state of PlatformLang.\r | |
131 | //\r | |
132 | \r | |
133 | FreePool (PlatformLang);\r | |
134 | } else {\r | |
135 | // No valid variable is set\r | |
136 | Invalid = TRUE;\r | |
bc11b829 | 137 | }\r |
138 | \r | |
7658d609 A |
139 | if (Invalid) {\r |
140 | PlatformLang = (CHAR8 *)PcdGetPtr (PcdUefiVariableDefaultPlatformLang);\r | |
141 | Status = gRT->SetVariable (\r | |
142 | L"PlatformLang",\r | |
143 | &gEfiGlobalVariableGuid,\r | |
144 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r | |
145 | AsciiStrSize (PlatformLang),\r | |
146 | PlatformLang\r | |
147 | );\r | |
148 | }\r | |
bc11b829 | 149 | }\r |