--- /dev/null
+/** @file\r
+ CpuBreakpoint function.\r
+\r
+ Copyright (c) 2006 - 2007, Intel Corporation<BR>\r
+ All rights reserved. This program and the accompanying materials\r
+ are licensed and made available under the terms and conditions of the BSD License\r
+ which accompanies this distribution. The full text of the license may be found at\r
+ http://opensource.org/licenses/bsd-license.php\r
+\r
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+**/\r
+\r
+//\r
+// Microsoft Visual Studio 7.1 Function Prototypes for I/O Intrinsics\r
+//\r
+void __writemsr (unsigned long Register, unsigned __int64 Value);\r
+\r
+#pragma intrinsic(__writemsr)\r
+\r
+UINT64\r
+EFIAPI\r
+AsmWriteMsr64 (\r
+ IN UINT32 Index,\r
+ IN UINT64 Value\r
+ )\r
+{\r
+ __writemsr (Index, Value);\r
+ return Value;\r
+}\r
+\r