ArmPkg/ArmLib: Added helper functions for accessing CPU ACTLR

[mirror_edk2.git] / ArmPkg / Library / ArmLib / Common / ArmLib.c

diff --git a/ArmPkg/Library/ArmLib/Common/ArmLib.c b/ArmPkg/Library/ArmLib/Common/ArmLib.c
index d70003ebb0141f19dd5caf65d98abd9fab05d152..72d5af4a5532dabdad43d0e99e7f7a12c946493e 100644 (file)
--- a/ArmPkg/Library/ArmLib/Common/ArmLib.c
+++ b/ArmPkg/Library/ArmLib/Common/ArmLib.c
@@ -1,7 +1,7 @@
 /** @file\r
 \r
   Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
-  Copyright (c) 2011 - 2012, ARM Ltd. All rights reserved.<BR>\r
+  Copyright (c) 2011 - 2014, ARM Ltd. All rights reserved.<BR>\r
   \r
   This program and the accompanying materials\r
   are licensed and made available under the terms and conditions of the BSD License\r
@@ -62,3 +62,31 @@ ArmUnsetAuxCrBit (
   val &= ~Bits;\r
   ArmWriteAuxCr(val);\r
 }\r
+\r
+//\r
+// Helper functions for accessing CPUACTLR\r
+//\r
+\r
+VOID\r
+EFIAPI\r
+ArmSetCpuActlrBit (\r
+  IN  UINTN    Bits\r
+  )\r
+{\r
+  UINTN Value;\r
+  Value =  ArmReadCpuActlr ();\r
+  Value |= Bits;\r
+  ArmWriteCpuActlr (Value);\r
+}\r
+\r
+VOID\r
+EFIAPI\r
+ArmUnsetCpuActlrBit (\r
+  IN  UINTN    Bits\r
+  )\r
+{\r
+  UINTN Value;\r
+  Value = ArmReadCpuActlr ();\r
+  Value &= ~Bits;\r
+  ArmWriteCpuActlr (Value);\r
+}\r