Vlv2TbltDevicePkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / Vlv2TbltDevicePkg / Library / MultiPlatformLib / PlatformInfoHob.c

/** @file\r
  Platform Hob access interface for multiplatform.\r
\r
  Copyright (c) 2010 - 2014, Intel Corporation. All rights reserved.<BR>\r
                                                                                   \r\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
                                                                                   \r\r
\r
**/\r
\r
#include <MultiPlatformLib.h>\r
\r
/**\r
  Returns the Platform Info of the platform from the HOB.\r
\r
  @param PeiServices         General purpose services available to every PEIM.\r
  @param PlatformInfoHob     Pointer to the PLATFORM_INFO_HOB Pointer\r
\r
  @retval EFI_SUCCESS        The function completed successfully.\r
  @retval EFI_NOT_FOUND      PlatformInfoHob data doesn't exist, use default instead.\r
\r
**/\r
EFI_STATUS\r
GetPlatformInfoHob (\r
  IN CONST EFI_PEI_SERVICES           **PeiServices,\r
  OUT EFI_PLATFORM_INFO_HOB     **PlatformInfoHob\r
  )\r
{\r
  EFI_PEI_HOB_POINTERS        GuidHob;\r
\r
  //\r
  // Find the PlatformInfo HOB\r
  //\r
  GuidHob.Raw = GetHobList ();\r
  if (GuidHob.Raw == NULL) {\r
    return EFI_NOT_FOUND;\r
  }\r
\r
  if ((GuidHob.Raw = GetNextGuidHob (&gEfiPlatformInfoGuid, GuidHob.Raw)) != NULL) {\r
    *PlatformInfoHob = GET_GUID_HOB_DATA (GuidHob.Guid);\r
  }\r
\r
  //\r
  // PlatformInfo PEIM should provide this HOB data, if not ASSERT and return error.\r
  //\r
  ASSERT (*PlatformInfoHob != NULL);\r
  if (!(*PlatformInfoHob)) {\r
    return EFI_NOT_FOUND;\r
  }\r
\r
  return EFI_SUCCESS;\r
}\r
\r