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[mirror_edk2.git] / MdePkg / Library / BaseLib / Ia32 / FxSave.c
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e1f414b6 1/** @file\r
2 AsmFxSave function\r
3\r
4 Copyright (c) 2006 - 2007, Intel Corporation<BR>\r
5 All rights reserved. This program and the accompanying materials\r
6 are licensed and made available under the terms and conditions of the BSD License\r
7 which accompanies this distribution. The full text of the license may be found at\r
8 http://opensource.org/licenses/bsd-license.php\r
9\r
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
12\r
13**/\r
14\r
1efcc4ae 15\r
47fc17d8 16#include "BaseLibInternals.h"\r
f734a10a 17\r
e1f414b6 18\r
42eedea9 19/**\r
20 Save the current floating point/SSE/SSE2 context to a buffer.\r
21\r
22 Saves the current floating point/SSE/SSE2 state to the buffer specified by\r
23 Buffer. Buffer must be aligned on a 16-byte boundary. This function is only\r
030cd1a2 24 available on IA-32 and x64.\r
42eedea9 25\r
26 @param Buffer Pointer to a buffer to save the floating point/SSE/SSE2 context.\r
27\r
28**/\r
e1f414b6 29VOID\r
30EFIAPI\r
31InternalX86FxSave (\r
32 OUT IA32_FX_BUFFER *Buffer\r
33 )\r
34{\r
35 _asm {\r
36 mov eax, Buffer\r
37 fxsave [eax]\r
38 }\r
39}\r
40\r