--- /dev/null
+/** @file\r
+ InterlockedCompareExchange32 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
+long _InterlockedCompareExchange(\r
+ long volatile * Destination,\r
+ long Exchange,\r
+ long Comperand\r
+);\r
+\r
+#pragma intrinsic(_InterlockedCompareExchange)\r
+\r
+UINT32\r
+EFIAPI\r
+InternalSyncCompareExchange32 (\r
+ IN UINT32 *Value,\r
+ IN UINT32 CompareValue,\r
+ IN UINT32 ExchangeValue\r
+ )\r
+{\r
+ return _InterlockedCompareExchange (Value, ExchangeValue, CompareValue);\r
+}\r
+\r