--- /dev/null
+/** @file\r
+ IA-32/x64 AsmFxSave()\r
+\r
+ Copyright (c) 2006, Intel Corporation<BR>\r
+ All rights reserved. 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
+\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
+ Module Name: x86FxSave.c\r
+\r
+**/\r
+\r
+#include "BaseLibInternals.h"\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
+ If Buffer is NULL, then ASSERT().\r
+ If Buffer is not aligned on a 16-byte boundary, then ASSERT().\r
+\r
+ @param Buffer Pointer to a buffer to save the floating point/SSE/SSE2 context.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+AsmFxSave (\r
+ OUT IA32_FX_BUFFER *Buffer\r
+ )\r
+{\r
+ ASSERT (Buffer != NULL);\r
+ ASSERT (((UINTN)Buffer & 0xf) == 0);\r
+\r
+ InternalX86FxSave (Buffer);\r
+\r
+ //\r
+ // Mark one flag at end of Buffer, it will be check by AsmFxRestor()\r
+ //\r
+ *(UINT32 *) (&Buffer[sizeof (IA32_FX_BUFFER) - 4]) = 0xAA5555AA;\r
+}\r