1 /** @file
2
3 Copyright (c) 2009 - 2012, Intel Corporation. All rights reserved.<BR>
4 Copyright (c) 2015, Hisilicon Limited. All rights reserved.<BR>
5 Copyright (c) 2015, Linaro Limited. All rights reserved.<BR>
6 This program and the accompanying materials
7 are licensed and made available under the terms and conditions of the BSD License
8 which accompanies this distribution. The full text of the license may be found at
9 http://opensource.org/licenses/bsd-license.php
10
11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
13
14 Based on files under Nt32Pkg/MiscSubClassPlatformDxe/
15 **/
16
17 /* Modify list
18 DATA AUTHOR REASON
19 */
20
21 #include "SmbiosMisc.h"
22
23 /**
24 Get next language from language code list (with separator ';').
25
26 @param LangCode Input: point to first language in the list. On
27 Otput: point to next language in the list, or
28 NULL if no more language in the list.
29 @param Lang The first language in the list.
30
31 **/
32 VOID
33 EFIAPI
GetNextLanguage(IN OUT CHAR8 ** LangCode,OUT CHAR8 * Lang)34 GetNextLanguage (
35 IN OUT CHAR8 **LangCode,
36 OUT CHAR8 *Lang
37 )
38 {
39 UINTN Index;
40 CHAR8 *StringPtr;
41
42 if(NULL == LangCode || NULL == *LangCode || NULL == Lang) {
43 return;
44 }
45
46 Index = 0;
47 StringPtr = *LangCode;
48 while (StringPtr[Index] != 0 && StringPtr[Index] != ';') {
49 Index++;
50 }
51
52 (VOID)CopyMem(Lang, StringPtr, Index);
53 Lang[Index] = 0;
54
55 if (StringPtr[Index] == ';') {
56 Index++;
57 }
58 *LangCode = StringPtr + Index;
59 }
60
61 /**
62 This function returns the number of supported languages on HiiHandle.
63
64 @param HiiHandle The HII package list handle.
65
66 @retval The number of supported languages.
67
68 **/
69 UINT16
70 EFIAPI
GetSupportedLanguageNumber(IN EFI_HII_HANDLE HiiHandle)71 GetSupportedLanguageNumber (
72 IN EFI_HII_HANDLE HiiHandle
73 )
74 {
75 CHAR8 *Lang;
76 CHAR8 *Languages;
77 CHAR8 *LanguageString;
78 UINT16 LangNumber;
79
80 Languages = HiiGetSupportedLanguages (HiiHandle);
81 if (Languages == NULL) {
82 return 0;
83 }
84
85 LangNumber = 0;
86 Lang = AllocatePool (AsciiStrSize (Languages));
87 if (Lang != NULL) {
88 LanguageString = Languages;
89 while (*LanguageString != 0) {
90 GetNextLanguage (&LanguageString, Lang);
91 LangNumber++;
92 }
93 FreePool (Lang);
94 }
95 FreePool (Languages);
96 return LangNumber;
97 }
98
99
100 /**
101 This function makes boot time changes to the contents of the
102 MiscNumberOfInstallableLanguages (Type 13).
103
104 @param RecordData Pointer to copy of RecordData from the Data Table.
105
106 @retval EFI_SUCCESS All parameters were valid.
107 @retval EFI_UNSUPPORTED Unexpected RecordType value.
108 @retval EFI_INVALID_PARAMETER Invalid parameter was found.
109
110 **/
MISC_SMBIOS_TABLE_FUNCTION(MiscNumberOfInstallableLanguages)111 MISC_SMBIOS_TABLE_FUNCTION(MiscNumberOfInstallableLanguages)
112 {
113 UINTN LangStrLen;
114 CHAR8 CurrentLang[SMBIOS_STRING_MAX_LENGTH + 1];
115 CHAR8 *OptionalStrStart;
116 EFI_STATUS Status;
117 EFI_SMBIOS_HANDLE SmbiosHandle;
118 SMBIOS_TABLE_TYPE13 *SmbiosRecord;
119 SMBIOS_TABLE_TYPE13 *InputData = NULL;;
120
121 //
122 // First check for invalid parameters.
123 //
124 if (RecordData == NULL) {
125 return EFI_INVALID_PARAMETER;
126 }
127
128 InputData = (SMBIOS_TABLE_TYPE13 *)RecordData;
129
130 InputData->InstallableLanguages = GetSupportedLanguageNumber (mHiiHandle);
131
132 //
133 // Try to check if current langcode matches with the langcodes in installed languages
134 //
135 ZeroMem(CurrentLang, SMBIOS_STRING_MAX_LENGTH - 1);
136 (VOID)AsciiStrCpyS(CurrentLang, SMBIOS_STRING_MAX_LENGTH - 1, "en|US|iso8859-1");
137 LangStrLen = AsciiStrLen(CurrentLang);
138
139 //
140 // Two zeros following the last string.
141 //
142 SmbiosRecord = AllocateZeroPool(sizeof (SMBIOS_TABLE_TYPE13) + LangStrLen + 1 + 1);
143 if(NULL == SmbiosRecord) {
144 return EFI_OUT_OF_RESOURCES;
145 }
146
147 (VOID)CopyMem(SmbiosRecord, InputData, sizeof (SMBIOS_TABLE_TYPE13));
148
149 SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE13);
150
151 OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1);
152 (VOID)AsciiStrCpyS(OptionalStrStart, SMBIOS_STRING_MAX_LENGTH - 1, CurrentLang);
153 //
154 // Now we have got the full smbios record, call smbios protocol to add this record.
155 //
156 Status = LogSmbiosData((UINT8*)SmbiosRecord, &SmbiosHandle);
157 if(EFI_ERROR(Status)) {
158 DEBUG((EFI_D_ERROR, "[%a]:[%dL] Smbios Type13 Table Log Failed! %r \n", __FUNCTION__, __LINE__, Status));
159 }
160
161 FreePool(SmbiosRecord);
162 return Status;
163 }
164