1 files changed, 40 insertions, 0 deletions
diff --git a/Core/MdePkg/Library/BaseLib/Ia32/FxSave.c b/Core/MdePkg/Library/BaseLib/Ia32/FxSave.c
new file mode 100644
index 0000000000..74949f2997
--- /dev/null
+++ b/Core/MdePkg/Library/BaseLib/Ia32/FxSave.c
@@ -0,0 +1,40 @@
+/** @file
+  AsmFxSave function
+
+  Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+  This program and the accompanying materials
+  are licensed and made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php.
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+
+#include "BaseLibInternals.h"
+
+
+/**
+  Save the current floating point/SSE/SSE2 context to a buffer.
+
+  Saves the current floating point/SSE/SSE2 state to the buffer specified by
+  Buffer. Buffer must be aligned on a 16-byte boundary. This function is only
+  available on IA-32 and x64.
+
+  @param  Buffer  The pointer to a buffer to save the floating point/SSE/SSE2 context.
+
+**/
+VOID
+EFIAPI
+InternalX86FxSave (
+  OUT IA32_FX_BUFFER *Buffer
+  )
+{
+  _asm {
+    mov     eax, Buffer
+    fxsave  [eax]
+  }
+}
+