MdePkg/BaseLib: Support IA32 processors without CLFLUSH

[mirror_edk2.git] / MdePkg / Library / BaseLib / Ia32 / ReadMm2.c

diff --git a/MdePkg/Library/BaseLib/Ia32/ReadMm2.c b/MdePkg/Library/BaseLib/Ia32/ReadMm2.c
index c2e49209b875219cd3cf3b8309308d4e11615e8d..361cf39496896eb3bc5a4fbc74e02fa0ec15c466 100644 (file)
--- a/MdePkg/Library/BaseLib/Ia32/ReadMm2.c
+++ b/MdePkg/Library/BaseLib/Ia32/ReadMm2.c
@@ -1,17 +1,29 @@
 /** @file\r
   AsmReadMm2 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
+\r
+\r
+/**\r
+  Reads the current value of 64-bit MMX Register #2 (MM2).\r
+\r
+  Reads and returns the current value of MM2. This function is only available\r
+  on IA-32 and x64.\r
+\r
+  @return The current value of MM2.\r
+\r
+**/\r
 UINT64\r
 EFIAPI\r
 AsmReadMm2 (\r