diff options
Diffstat (limited to 'ArmPkg/Library/ArmCacheMaintenanceLib/ArmCacheMaintenanceLib.c')
| -rw-r--r-- | ArmPkg/Library/ArmCacheMaintenanceLib/ArmCacheMaintenanceLib.c | 250 |
1 files changed, 125 insertions, 125 deletions
diff --git a/ArmPkg/Library/ArmCacheMaintenanceLib/ArmCacheMaintenanceLib.c b/ArmPkg/Library/ArmCacheMaintenanceLib/ArmCacheMaintenanceLib.c index 0dd453003c..2557a2cf09 100644 --- a/ArmPkg/Library/ArmCacheMaintenanceLib/ArmCacheMaintenanceLib.c +++ b/ArmPkg/Library/ArmCacheMaintenanceLib/ArmCacheMaintenanceLib.c @@ -1,125 +1,125 @@ -/** @file - - Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> - - This program and the accompanying materials - are licensed and made available under the terms and conditions of the BSD License - which accompanies this distribution. The full text of the license may be found at - http://opensource.org/licenses/bsd-license.php - - THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, - WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. - -**/ -#include <Base.h> -#include <Library/ArmLib.h> -#include <Library/PcdLib.h> - -VOID -CacheRangeOperation ( - IN VOID *Start, - IN UINTN Length, - IN CACHE_OPERATION CacheOperation, - IN LINE_OPERATION LineOperation - ) -{ - UINTN ArmCacheLineLength = ArmDataCacheLineLength(); - UINTN ArmCacheLineAlignmentMask = ArmCacheLineLength - 1; - UINTN ArmCacheOperationThreshold = PcdGet32(PcdArmCacheOperationThreshold); - - if ((CacheOperation != NULL) && (Length >= ArmCacheOperationThreshold)) { - CacheOperation (); - } else { - // Align address (rounding down) - UINTN AlignedAddress = (UINTN)Start - ((UINTN)Start & ArmCacheLineAlignmentMask); - UINTN EndAddress = (UINTN)Start + Length; - - // Perform the line operation on an address in each cache line - while (AlignedAddress < EndAddress) { - LineOperation(AlignedAddress); - AlignedAddress += ArmCacheLineLength; - } - } -} - -VOID -EFIAPI -InvalidateInstructionCache ( - VOID - ) -{ - ArmCleanDataCache(); - ArmInvalidateInstructionCache(); -} - -VOID -EFIAPI -InvalidateDataCache ( - VOID - ) -{ - ArmInvalidateDataCache(); -} - -VOID * -EFIAPI -InvalidateInstructionCacheRange ( - IN VOID *Address, - IN UINTN Length - ) -{ - CacheRangeOperation (Address, Length, ArmCleanDataCacheToPoU, ArmCleanDataCacheEntryByMVA); - ArmInvalidateInstructionCache (); - return Address; -} - -VOID -EFIAPI -WriteBackInvalidateDataCache ( - VOID - ) -{ - ArmCleanInvalidateDataCache(); -} - -VOID * -EFIAPI -WriteBackInvalidateDataCacheRange ( - IN VOID *Address, - IN UINTN Length - ) -{ - CacheRangeOperation(Address, Length, ArmCleanInvalidateDataCache, ArmCleanInvalidateDataCacheEntryByMVA); - return Address; -} - -VOID -EFIAPI -WriteBackDataCache ( - VOID - ) -{ - ArmCleanDataCache(); -} - -VOID * -EFIAPI -WriteBackDataCacheRange ( - IN VOID *Address, - IN UINTN Length - ) -{ - CacheRangeOperation(Address, Length, ArmCleanDataCache, ArmCleanDataCacheEntryByMVA); - return Address; -} - -VOID * -EFIAPI -InvalidateDataCacheRange ( - IN VOID *Address, - IN UINTN Length - ) -{ - CacheRangeOperation(Address, Length, NULL, ArmInvalidateDataCacheEntryByMVA); - return Address; -} +/** @file
+
+ Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
+
+ This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+#include <Base.h>
+#include <Library/ArmLib.h>
+#include <Library/PcdLib.h>
+
+VOID
+CacheRangeOperation (
+ IN VOID *Start,
+ IN UINTN Length,
+ IN CACHE_OPERATION CacheOperation,
+ IN LINE_OPERATION LineOperation
+ )
+{
+ UINTN ArmCacheLineLength = ArmDataCacheLineLength();
+ UINTN ArmCacheLineAlignmentMask = ArmCacheLineLength - 1;
+ UINTN ArmCacheOperationThreshold = PcdGet32(PcdArmCacheOperationThreshold);
+
+ if ((CacheOperation != NULL) && (Length >= ArmCacheOperationThreshold)) {
+ CacheOperation ();
+ } else {
+ // Align address (rounding down)
+ UINTN AlignedAddress = (UINTN)Start - ((UINTN)Start & ArmCacheLineAlignmentMask);
+ UINTN EndAddress = (UINTN)Start + Length;
+
+ // Perform the line operation on an address in each cache line
+ while (AlignedAddress < EndAddress) {
+ LineOperation(AlignedAddress);
+ AlignedAddress += ArmCacheLineLength;
+ }
+ }
+}
+
+VOID
+EFIAPI
+InvalidateInstructionCache (
+ VOID
+ )
+{
+ ArmCleanDataCache();
+ ArmInvalidateInstructionCache();
+}
+
+VOID
+EFIAPI
+InvalidateDataCache (
+ VOID
+ )
+{
+ ArmInvalidateDataCache();
+}
+
+VOID *
+EFIAPI
+InvalidateInstructionCacheRange (
+ IN VOID *Address,
+ IN UINTN Length
+ )
+{
+ CacheRangeOperation (Address, Length, ArmCleanDataCacheToPoU, ArmCleanDataCacheEntryByMVA);
+ ArmInvalidateInstructionCache ();
+ return Address;
+}
+
+VOID
+EFIAPI
+WriteBackInvalidateDataCache (
+ VOID
+ )
+{
+ ArmCleanInvalidateDataCache();
+}
+
+VOID *
+EFIAPI
+WriteBackInvalidateDataCacheRange (
+ IN VOID *Address,
+ IN UINTN Length
+ )
+{
+ CacheRangeOperation(Address, Length, ArmCleanInvalidateDataCache, ArmCleanInvalidateDataCacheEntryByMVA);
+ return Address;
+}
+
+VOID
+EFIAPI
+WriteBackDataCache (
+ VOID
+ )
+{
+ ArmCleanDataCache();
+}
+
+VOID *
+EFIAPI
+WriteBackDataCacheRange (
+ IN VOID *Address,
+ IN UINTN Length
+ )
+{
+ CacheRangeOperation(Address, Length, ArmCleanDataCache, ArmCleanDataCacheEntryByMVA);
+ return Address;
+}
+
+VOID *
+EFIAPI
+InvalidateDataCacheRange (
+ IN VOID *Address,
+ IN UINTN Length
+ )
+{
+ CacheRangeOperation(Address, Length, NULL, ArmInvalidateDataCacheEntryByMVA);
+ return Address;
+}
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