ArmPlatformPkg/ArmSmcLib: Added helper library to make SMC call to the Secure World

This library adds C-wrapper around the SMC instruction and allows to pass
parameters to the Secure World.



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13133 6f19259b-4bc3-4df7-8a09-765794883524

ArmPlatformPkg/Include/Library/ArmSmcLib.h

@@ -0,0 +1,44 @@
+/** @file
+*
+*  Copyright (c) 2012, 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.
+*
+**/
+
+#ifndef __ARM_SMC_LIB__
+#define __ARM_SMC_LIB__
+
+VOID
+ArmCallSmc (
+  IN OUT UINTN *Rx
+  );
+
+VOID
+ArmCallSmcArg1 (
+  IN OUT UINTN *Rx,
+  IN OUT UINTN *Arg1
+  );
+
+VOID
+ArmCallSmcArg2 (
+  IN OUT UINTN *Rx,
+  IN OUT UINTN *Arg1,
+  IN OUT UINTN *Arg2
+  );
+
+VOID
+ArmCallSmcArg3 (
+  IN OUT UINTN *Rx,
+  IN OUT UINTN *Arg1,
+  IN OUT UINTN *Arg2,
+  IN OUT UINTN *Arg3
+  );
+
+#endif