Add Network1 profile.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11423 6f19259b-4bc3-4df7-8a09-765794883524

ShellPkg/Library/UefiShellNetwork1CommandsLib/X64/Tsc.c

@@ -0,0 +1,28 @@
+/** @file
+  The implement to read TSC in X64 platform.
+
+  Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
+
+  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.
+
+**/
+
+#include <Library/BaseLib.h>
+
+/**
+  Reads and returns the current value of Time Stamp Counter (TSC).
+
+  @return The current value of TSC
+
+**/
+UINT64
+ReadTime ()
+{
+  return AsmReadTsc ();
+}