1 /** @file 2 3 Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> 4 Portions copyright (c) 2011 - 2014, ARM Ltd. All rights reserved.<BR> 5 6 This program and the accompanying materials 7 are licensed and made available under the terms and conditions of the BSD License 8 which accompanies this distribution. The full text of the license may be found at 9 http://opensource.org/licenses/bsd-license.php 10 11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 13 14 **/ 15 16 #include <Uefi.h> 17 #include <Chipset/AArch64.h> 18 #include <Library/ArmLib.h> 19 #include <Library/BaseLib.h> 20 #include <Library/IoLib.h> 21 #include "AArch64Lib.h" 22 #include "ArmLibPrivate.h" 23 24 VOID 25 AArch64DataCacheOperation ( 26 IN AARCH64_CACHE_OPERATION DataCacheOperation 27 ) 28 { 29 UINTN SavedInterruptState; 30 31 SavedInterruptState = ArmGetInterruptState (); 32 ArmDisableInterrupts(); 33 34 AArch64AllDataCachesOperation (DataCacheOperation); 35 36 ArmDataSynchronizationBarrier (); 37 38 if (SavedInterruptState) { 39 ArmEnableInterrupts (); 40 } 41 } 42 43 VOID 44 EFIAPI 45 ArmInvalidateDataCache ( 46 VOID 47 ) 48 { 49 ArmDataSynchronizationBarrier (); 50 AArch64DataCacheOperation (ArmInvalidateDataCacheEntryBySetWay); 51 } 52 53 VOID 54 EFIAPI 55 ArmCleanInvalidateDataCache ( 56 VOID 57 ) 58 { 59 ArmDataSynchronizationBarrier (); 60 AArch64DataCacheOperation (ArmCleanInvalidateDataCacheEntryBySetWay); 61 } 62 63 VOID 64 EFIAPI 65 ArmCleanDataCache ( 66 VOID 67 ) 68 { 69 ArmDataSynchronizationBarrier (); 70 AArch64DataCacheOperation (ArmCleanDataCacheEntryBySetWay); 71 } 72
