/** @file
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Copyright (c) 2009 - 2012, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2015, Hisilicon Limited. All rights reserved.<BR>
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Copyright (c) 2015, Linaro Limited. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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Based on files under Nt32Pkg/MiscSubClassPlatformDxe/
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**/
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/* Modify list
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DATA AUTHOR REASON
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*/
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#include "SmbiosMisc.h"
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/**
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Get next language from language code list (with separator ';').
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@param LangCode Input: point to first language in the list. On
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Otput: 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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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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if(NULL == LangCode || NULL == *LangCode || NULL == Lang) {
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return;
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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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(VOID)CopyMem(Lang, StringPtr, Index);
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Lang[Index] = 0;
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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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This function returns the number of supported languages on HiiHandle.
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@param HiiHandle The HII package list handle.
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@retval The number of supported languages.
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**/
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UINT16
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EFIAPI
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GetSupportedLanguageNumber (
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IN EFI_HII_HANDLE HiiHandle
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)
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{
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CHAR8 *Lang;
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CHAR8 *Languages;
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CHAR8 *LanguageString;
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UINT16 LangNumber;
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Languages = HiiGetSupportedLanguages (HiiHandle);
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if (Languages == NULL) {
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return 0;
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}
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LangNumber = 0;
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Lang = AllocatePool (AsciiStrSize (Languages));
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if (Lang != NULL) {
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LanguageString = Languages;
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while (*LanguageString != 0) {
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GetNextLanguage (&LanguageString, Lang);
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LangNumber++;
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}
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FreePool (Lang);
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}
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FreePool (Languages);
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return LangNumber;
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}
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/**
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This function makes boot time changes to the contents of the
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MiscNumberOfInstallableLanguages (Type 13).
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@param RecordData Pointer to copy of RecordData from the Data Table.
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@retval EFI_SUCCESS All parameters were valid.
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@retval EFI_UNSUPPORTED Unexpected RecordType value.
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@retval EFI_INVALID_PARAMETER Invalid parameter was found.
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**/
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MISC_SMBIOS_TABLE_FUNCTION(MiscNumberOfInstallableLanguages)
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{
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UINTN LangStrLen;
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CHAR8 CurrentLang[SMBIOS_STRING_MAX_LENGTH + 1];
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CHAR8 *OptionalStrStart;
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EFI_STATUS Status;
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EFI_SMBIOS_HANDLE SmbiosHandle;
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SMBIOS_TABLE_TYPE13 *SmbiosRecord;
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SMBIOS_TABLE_TYPE13 *InputData = NULL;;
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//
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// First check for invalid parameters.
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//
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if (RecordData == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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InputData = (SMBIOS_TABLE_TYPE13 *)RecordData;
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InputData->InstallableLanguages = GetSupportedLanguageNumber (mHiiHandle);
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//
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// Try to check if current langcode matches with the langcodes in installed languages
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//
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ZeroMem(CurrentLang, SMBIOS_STRING_MAX_LENGTH - 1);
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(VOID)AsciiStrCpyS(CurrentLang, SMBIOS_STRING_MAX_LENGTH - 1, "en|US|iso8859-1");
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LangStrLen = AsciiStrLen(CurrentLang);
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//
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// Two zeros following the last string.
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//
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SmbiosRecord = AllocateZeroPool(sizeof (SMBIOS_TABLE_TYPE13) + LangStrLen + 1 + 1);
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if(NULL == SmbiosRecord) {
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return EFI_OUT_OF_RESOURCES;
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}
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(VOID)CopyMem(SmbiosRecord, InputData, sizeof (SMBIOS_TABLE_TYPE13));
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SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE13);
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OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1);
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(VOID)AsciiStrCpyS(OptionalStrStart, SMBIOS_STRING_MAX_LENGTH - 1, CurrentLang);
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//
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// Now we have got the full smbios record, call smbios protocol to add this record.
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//
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Status = LogSmbiosData((UINT8*)SmbiosRecord, &SmbiosHandle);
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if(EFI_ERROR(Status)) {
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DEBUG((EFI_D_ERROR, "[%a]:[%dL] Smbios Type13 Table Log Failed! %r \n", __FUNCTION__, __LINE__, Status));
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}
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FreePool(SmbiosRecord);
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return Status;
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}
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