ArmPkg/ArmCortexA5x: Declared the helper functions to access the CPU Extended Control Register

This register is A5x specific. It is the reason why the code moved from ArmLib
to ArmCpuLib/ArmCortexA5xLib.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15397 6f19259b-4bc3-4df7-8a09-765794883524

ArmPkg/Include/Chipset/ArmCortexA5x.h

@@ -1,6 +1,6 @@
 /** @file
 
-  Copyright (c) 2012-2013, ARM Limited. All rights reserved.
+  Copyright (c) 2012-2014, 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
@@ -20,4 +20,31 @@
 //
 #define A5X_FEATURE_SMP     (1 << 6)
 
+//
+// Helper functions to access CPU Extended Control Register
+//
+UINT64
+EFIAPI
+ArmReadCpuExCr (
+  VOID
+  );
+
+VOID
+EFIAPI
+ArmWriteCpuExCr (
+  IN  UINT64 Val
+  );
+
+VOID
+EFIAPI
+ArmSetCpuExCrBit (
+  IN  UINT64    Bits
+  );
+
+VOID
+EFIAPI
+ArmUnsetCpuExCrBit (
+  IN  UINT64    Bits
+  );
+
 #endif