MdePkg/BaseLib: Support IA32 processors without CLFLUSH

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

diff --git a/MdePkg/Library/BaseLib/Ia32/FxSave.c b/MdePkg/Library/BaseLib/Ia32/FxSave.c
index 8a3402360010b03d73c7f1da3f3fae7787eb37cd..74949f29976402237729aa5dcdc5d8e50bf2bdbb 100644 (file)
--- a/MdePkg/Library/BaseLib/Ia32/FxSave.c
+++ b/MdePkg/Library/BaseLib/Ia32/FxSave.c
@@ -1,19 +1,31 @@
 /** @file\r
   AsmFxSave 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
+#include "BaseLibInternals.h"\r
+\r
+\r
+/**\r
+  Save the current floating point/SSE/SSE2 context to a buffer.\r
+\r
+  Saves the current floating point/SSE/SSE2 state to the buffer specified by\r
+  Buffer. Buffer must be aligned on a 16-byte boundary. This function is only\r
+  available on IA-32 and x64.\r
+\r
+  @param  Buffer  The pointer to a buffer to save the floating point/SSE/SSE2 context.\r
+\r
+**/\r
 VOID\r
 EFIAPI\r
 InternalX86FxSave (\r
@@ -26,4 +38,3 @@ InternalX86FxSave (
   }\r
 }\r
 \r
-#endif\r