X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=ArmPkg%2FLibrary%2FArmLib%2FArm%2FArmV7Lib.c;fp=ArmPkg%2FLibrary%2FArmLib%2FArm%2FArmV7Lib.c;h=23a7f2f2bb235106deed74873794e31e418eb4e9;hb=e51a677dea1b4ec3536e32b590b165dbcd30a87d;hp=0000000000000000000000000000000000000000;hpb=20d988be998dfb54d00e12853b1a06445a830f5e;p=mirror_edk2.git

diff --git a/ArmPkg/Library/ArmLib/Arm/ArmV7Lib.c b/ArmPkg/Library/ArmLib/Arm/ArmV7Lib.c
new file mode 100644
index 0000000000..23a7f2f2bb
--- /dev/null
+++ b/ArmPkg/Library/ArmLib/Arm/ArmV7Lib.c
@@ -0,0 +1,70 @@
+/** @file
+
+  Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
+  Copyright (c) 2011 - 2014, ARM Limited. All rights reserved.
+
+  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 <Uefi.h>
+#include <Chipset/ArmV7.h>
+#include <Library/ArmLib.h>
+#include <Library/BaseLib.h>
+#include <Library/IoLib.h>
+#include "ArmV7Lib.h"
+#include "ArmLibPrivate.h"
+
+VOID
+ArmV7DataCacheOperation (
+  IN  ARM_V7_CACHE_OPERATION  DataCacheOperation
+  )
+{
+  UINTN     SavedInterruptState;
+
+  SavedInterruptState = ArmGetInterruptState ();
+  ArmDisableInterrupts ();
+
+  ArmV7AllDataCachesOperation (DataCacheOperation);
+
+  ArmDataSynchronizationBarrier ();
+
+  if (SavedInterruptState) {
+    ArmEnableInterrupts ();
+  }
+}
+
+VOID
+EFIAPI
+ArmInvalidateDataCache (
+  VOID
+  )
+{
+  ArmDataSynchronizationBarrier ();
+  ArmV7DataCacheOperation (ArmInvalidateDataCacheEntryBySetWay);
+}
+
+VOID
+EFIAPI
+ArmCleanInvalidateDataCache (
+  VOID
+  )
+{
+  ArmDataSynchronizationBarrier ();
+  ArmV7DataCacheOperation (ArmCleanInvalidateDataCacheEntryBySetWay);
+}
+
+VOID
+EFIAPI
+ArmCleanDataCache (
+  VOID
+  )
+{
+  ArmDataSynchronizationBarrier ();
+  ArmV7DataCacheOperation (ArmCleanDataCacheEntryBySetWay);
+}