MdePkg/BaseLib: Support IA32 processors without CLFLUSH

[mirror_edk2.git] / MdePkg / Library / BaseLib / Ia32 / ReadMm6.c

diff --git a/MdePkg/Library/BaseLib/Ia32/ReadMm6.c b/MdePkg/Library/BaseLib/Ia32/ReadMm6.c
index 9aa892e89ce8814f8e10e390a625ad65dcc0bb95..c1d1065e05fd1423c94cbf055006d4a5f562acba 100644 (file)
--- a/MdePkg/Library/BaseLib/Ia32/ReadMm6.c
+++ b/MdePkg/Library/BaseLib/Ia32/ReadMm6.c
@@ -1,19 +1,29 @@
 /** @file\r
   AsmReadMm6 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
+  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
-#if _MSC_EXTENSIONS\r
 \r
+\r
+\r
+/**\r
+  Reads the current value of 64-bit MMX Register #6 (MM6).\r
+\r
+  Reads and returns the current value of MM6. This function is only available\r
+  on IA-32 and x64.\r
+\r
+  @return The current value of MM6.\r
+\r
+**/\r
 UINT64\r
 EFIAPI\r
 AsmReadMm6 (\r
@@ -30,4 +40,3 @@ AsmReadMm6 (
   }\r
 }\r
 \r
-#endif\r