1 /** @file 2 * 3 * Copyright (c) 2011, ARM Limited. All rights reserved. 4 * 5 * This program and the accompanying materials 6 * are licensed and made available under the terms and conditions of the BSD License 7 * which accompanies this distribution. The full text of the license may be found at 8 * http://opensource.org/licenses/bsd-license.php 9 * 10 * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 12 * 13 **/ 14 15 #include <PiPei.h> 16 #include <Library/ArmLib.h> 17 #include <Library/PrePiHobListPointerLib.h> 18 #include <Library/DebugLib.h> 19 20 /** 21 Returns the pointer to the HOB list. 22 23 This function returns the pointer to first HOB in the list. 24 25 @return The pointer to the HOB list. 26 27 **/ 28 VOID * 29 EFIAPI PrePeiGetHobList(VOID)30PrePeiGetHobList ( 31 VOID 32 ) 33 { 34 return (VOID *)ArmReadTpidrurw(); 35 } 36 37 38 39 /** 40 Updates the pointer to the HOB list. 41 42 @param HobList Hob list pointer to store 43 44 **/ 45 EFI_STATUS 46 EFIAPI PrePeiSetHobList(IN VOID * HobList)47PrePeiSetHobList ( 48 IN VOID *HobList 49 ) 50 { 51 ArmWriteTpidrurw((UINTN)HobList); 52 53 return EFI_SUCCESS; 54 } 55