/** @file\r
AsmReadTsc function\r
\r
- Copyright (c) 2006, Intel Corporation<BR>\r
- All rights reserved. This program and the accompanying materials\r
+ Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>\r
+ 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
**/\r
\r
-#if _MSC_EXTENSIONS\r
\r
+\r
+\r
+/**\r
+ Reads the current value of Time Stamp Counter (TSC).\r
+\r
+ Reads and returns the current value of TSC. This function is only available\r
+ on IA-32 and x64.\r
+\r
+ @return The current value of TSC\r
+\r
+**/\r
UINT64\r
EFIAPI\r
AsmReadTsc (\r
}\r
}\r
\r
-#endif\r