MdePkg/BaseCacheMaintenanceLib: Support IA32 processors without CLFLUSH

[mirror_edk2.git] / MdePkg / Library / BaseLib / Ia32 / ReadMm7.c

diff --git a/MdePkg/Library/BaseLib/Ia32/ReadMm7.c b/MdePkg/Library/BaseLib/Ia32/ReadMm7.c
index af98994636536c38e3788d09226f461e163abcaa..d8a4cc43419c925d86d62a52d22113d38d0f66e7 100644 (file)
--- a/MdePkg/Library/BaseLib/Ia32/ReadMm7.c
+++ b/MdePkg/Library/BaseLib/Ia32/ReadMm7.c
@@ -1,22 +1,29 @@
 /** @file\r
   AsmReadMm7 function\r
 \r
-  Copyright (c) 2006 - 2007, 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
+  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
-// Include common header file for this module.\r
-//\r
 \r
 \r
+\r
+/**\r
+  Reads the current value of 64-bit MMX Register #7 (MM7).\r
+\r
+  Reads and returns the current value of MM7. This function is only available\r
+  on IA-32 and x64.\r
+\r
+  @return The current value of MM7.\r
+\r
+**/\r
 UINT64\r
 EFIAPI\r
 AsmReadMm7 (\r