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Removed MdePkg usage of ModuleName: in file headers
[mirror_edk2.git] / MdePkg / Library / BaseLib / x86FxRestore.c
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e1f414b6 1/** @file\r
2 IA-32/x64 AsmFxRestore()\r
3\r
4 Copyright (c) 2006, 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
e1f414b6 13**/\r
14\r
15//\r
16// Include common header file for this module.\r
17//\r
f734a10a 18\r
e1f414b6 19\r
20#include "BaseLibInternals.h"\r
21\r
22/**\r
23 Restores the current floating point/SSE/SSE2 context from a buffer.\r
24\r
25 Restores the current floating point/SSE/SSE2 state from the buffer specified\r
26 by Buffer. Buffer must be aligned on a 16-byte boundary. This function is\r
27 only available on IA-32 and X64.\r
28\r
29 If Buffer is NULL, then ASSERT().\r
30 If Buffer is not aligned on a 16-byte boundary, then ASSERT().\r
31 If Buffer was not saved with AsmFxSave(), then ASSERT().\r
32\r
33 @param Buffer Pointer to a buffer to save the floating point/SSE/SSE2 context.\r
34\r
35**/\r
36VOID\r
37EFIAPI\r
38AsmFxRestore (\r
39 IN CONST IA32_FX_BUFFER *Buffer\r
40 )\r
41{\r
42 ASSERT (Buffer != NULL);\r
43 ASSERT (((UINTN)Buffer & 0xf) == 0);\r
44\r
45 //\r
46 // Check the flag recorded by AsmFxSave()\r
47 //\r
48 ASSERT (*(UINT32 *) (&Buffer[sizeof (IA32_FX_BUFFER) - 4]) == 0xAA5555AA);\r
49\r
50 InternalX86FxRestore (Buffer);\r
51}\r