1 /** @file 2 Platform Hob access interface for multiplatform. 3 4 Copyright (c) 2010 - 2014, Intel Corporation. All rights reserved.<BR> 5 6 This program and the accompanying materials are licensed and made available under 8 the terms and conditions of the BSD License that accompanies this distribution. 10 The full text of the license may be found at 12 http://opensource.org/licenses/bsd-license.php. 14 16 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 18 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 20 22 24 **/ 25 26 #include <MultiPlatformLib.h> 27 28 /** 29 Returns the Platform Info of the platform from the HOB. 30 31 @param PeiServices General purpose services available to every PEIM. 32 @param PlatformInfoHob Pointer to the PLATFORM_INFO_HOB Pointer 33 34 @retval EFI_SUCCESS The function completed successfully. 35 @retval EFI_NOT_FOUND PlatformInfoHob data doesn't exist, use default instead. 36 37 **/ 38 EFI_STATUS 39 GetPlatformInfoHob ( 40 IN CONST EFI_PEI_SERVICES **PeiServices, 41 OUT EFI_PLATFORM_INFO_HOB **PlatformInfoHob 42 ) 43 { 44 EFI_PEI_HOB_POINTERS GuidHob; 45 46 // 47 // Find the PlatformInfo HOB 48 // 49 GuidHob.Raw = GetHobList (); 50 if (GuidHob.Raw == NULL) { 51 return EFI_NOT_FOUND; 52 } 53 54 if ((GuidHob.Raw = GetNextGuidHob (&gEfiPlatformInfoGuid, GuidHob.Raw)) != NULL) { 55 *PlatformInfoHob = GET_GUID_HOB_DATA (GuidHob.Guid); 56 } 57 58 // 59 // PlatformInfo PEIM should provide this HOB data, if not ASSERT and return error. 60 // 61 ASSERT (*PlatformInfoHob != NULL); 62 if (!(*PlatformInfoHob)) { 63 return EFI_NOT_FOUND; 64 } 65 66 return EFI_SUCCESS; 67 } 68 69
