Add DebugPort & DebugSupport drivers

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3018 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Universal/DebugSupportDxe/ipf/common.i

@@ -0,0 +1,34 @@
+//++
+// Copyright (c) 2006, Intel Corporation                                                         
+// 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.             
+// 
+// Module Name:
+//
+//  Common.i
+//
+// Abstract:
+//
+//  This is set of useful macros
+//
+// Revision History:
+//
+//--
+
+#define NESTED_SETUP(i,l,o,r)               \
+         alloc loc1=ar##.##pfs,i,l,o,r ;    \
+         mov loc0=b0 ;;
+
+
+#define NESTED_RETURN                       \
+         mov b0=loc0 ;                      \
+         mov ar##.##pfs=loc1 ;;             \
+         br##.##ret##.##dpnt  b0 ;;
+
+#define MASK(bp,value)  (value << bp)
+