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[mirror_edk2.git] / ArmPkg / Universal / Smbios / SmbiosMiscDxe / Type13 / MiscNumberOfInstallableLanguagesFunction.c

/** @file\r
  Based on files under Nt32Pkg/MiscSubClassPlatformDxe/\r
\r
  Copyright (c) 2021, NUVIA Inc. All rights reserved.<BR>\r
  Copyright (c) 2009 - 2012, Intel Corporation. All rights reserved.<BR>\r
  Copyright (c) 2015, Hisilicon Limited. All rights reserved.<BR>\r
  Copyright (c) 2015, Linaro Limited. All rights reserved.<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include <Library/BaseLib.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/HiiLib.h>\r
#include <Library/MemoryAllocationLib.h>\r
#include <Library/OemMiscLib.h>\r
#include <Library/PrintLib.h>\r
#include <Library/UefiBootServicesTableLib.h>\r
\r
#include "SmbiosMisc.h"\r
\r
/**\r
  Get next language from language code list (with separator ';').\r
\r
  @param  LangCode       Input:  point to first language in the list. On\r
                         Output: point to next language in the list, or\r
                                 NULL if no more language in the list.\r
  @param  Lang           The first language in the list.\r
\r
**/\r
VOID\r
EFIAPI\r
GetNextLanguage (\r
  IN OUT CHAR8  **LangCode,\r
  OUT CHAR8     *Lang\r
  )\r
{\r
  UINTN  Index;\r
  CHAR8  *StringPtr;\r
\r
  if ((LangCode == NULL) || (*LangCode == NULL) || (Lang == NULL)) {\r
    return;\r
  }\r
\r
  Index     = 0;\r
  StringPtr = *LangCode;\r
  while (StringPtr[Index] != 0 && StringPtr[Index] != ';') {\r
    Index++;\r
  }\r
\r
  (VOID)CopyMem (Lang, StringPtr, Index);\r
  Lang[Index] = 0;\r
\r
  if (StringPtr[Index] == ';') {\r
    Index++;\r
  }\r
\r
  *LangCode = StringPtr + Index;\r
}\r
\r
/**\r
  This function returns the number of supported languages on HiiHandle.\r
\r
  @param   HiiHandle    The HII package list handle.\r
\r
  @retval  The number of supported languages.\r
\r
**/\r
UINT16\r
EFIAPI\r
GetSupportedLanguageNumber (\r
  IN EFI_HII_HANDLE  HiiHandle\r
  )\r
{\r
  CHAR8   *Lang;\r
  CHAR8   *Languages;\r
  CHAR8   *LanguageString;\r
  UINT16  LangNumber;\r
\r
  Languages = HiiGetSupportedLanguages (HiiHandle);\r
  if (Languages == NULL) {\r
    return 0;\r
  }\r
\r
  LangNumber = 0;\r
  Lang       = AllocatePool (AsciiStrSize (Languages));\r
  if (Lang != NULL) {\r
    LanguageString = Languages;\r
    while (*LanguageString != 0) {\r
      GetNextLanguage (&LanguageString, Lang);\r
      LangNumber++;\r
    }\r
\r
    FreePool (Lang);\r
  }\r
\r
  FreePool (Languages);\r
  return LangNumber;\r
}\r
\r
/**\r
  This function makes boot time changes to the contents of the\r
  MiscNumberOfInstallableLanguages (Type 13) record.\r
\r
  @param  RecordData                 Pointer to SMBIOS table with default values.\r
  @param  Smbios                     SMBIOS protocol.\r
\r
  @retval EFI_SUCCESS                The SMBIOS table was successfully added.\r
  @retval EFI_INVALID_PARAMETER      Invalid parameter was found.\r
  @retval EFI_OUT_OF_RESOURCES       Failed to allocate required memory.\r
\r
**/\r
SMBIOS_MISC_TABLE_FUNCTION (MiscNumberOfInstallableLanguages) {\r
  UINTN                LangStrLen;\r
  CHAR8                CurrentLang[SMBIOS_STRING_MAX_LENGTH + 1];\r
  CHAR8                *OptionalStrStart;\r
  EFI_STATUS           Status;\r
  SMBIOS_TABLE_TYPE13  *SmbiosRecord;\r
  SMBIOS_TABLE_TYPE13  *InputData;\r
\r
  InputData = NULL;\r
\r
  //\r
  // First check for invalid parameters.\r
  //\r
  if (RecordData == NULL) {\r
    return EFI_INVALID_PARAMETER;\r
  }\r
\r
  InputData = (SMBIOS_TABLE_TYPE13 *)RecordData;\r
\r
  InputData->InstallableLanguages = GetSupportedLanguageNumber (mSmbiosMiscHiiHandle);\r
\r
  //\r
  // Try to check if current langcode matches with the langcodes in installed languages\r
  //\r
  ZeroMem (CurrentLang, SMBIOS_STRING_MAX_LENGTH - 1);\r
  (VOID)AsciiStrCpyS (CurrentLang, SMBIOS_STRING_MAX_LENGTH - 1, "en|US|iso8859-1");\r
  LangStrLen = AsciiStrLen (CurrentLang);\r
\r
  //\r
  // Two zeros following the last string.\r
  //\r
  SmbiosRecord = AllocateZeroPool (sizeof (SMBIOS_TABLE_TYPE13) + LangStrLen + 1 + 1);\r
  if (SmbiosRecord == NULL) {\r
    return EFI_OUT_OF_RESOURCES;\r
  }\r
\r
  (VOID)CopyMem (SmbiosRecord, InputData, sizeof (SMBIOS_TABLE_TYPE13));\r
\r
  SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE13);\r
\r
  OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1);\r
  (VOID)AsciiStrCpyS (OptionalStrStart, SMBIOS_STRING_MAX_LENGTH - 1, CurrentLang);\r
  //\r
  // Now we have got the full smbios record, call smbios protocol to add this record.\r
  //\r
  Status = SmbiosMiscAddRecord ((UINT8 *)SmbiosRecord, NULL);\r
  if (EFI_ERROR (Status)) {\r
    DEBUG ((\r
      DEBUG_ERROR,\r
      "[%a]:[%dL] Smbios Type13 Table Log Failed! %r \n",\r
      __FUNCTION__,\r
      DEBUG_LINE_NUMBER,\r
      Status\r
      ));\r
  }\r
\r
  FreePool (SmbiosRecord);\r
  return Status;\r
}\r