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1/** @file\r
2 IA-32/x64 AsmFxRestore()\r
3\r
4 Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>\r
5 SPDX-License-Identifier: BSD-2-Clause-Patent\r
6\r
7**/\r
8\r
9#include "BaseLibInternals.h"\r
10\r
11/**\r
12 Restores the current floating point/SSE/SSE2 context from a buffer.\r
13\r
14 Restores the current floating point/SSE/SSE2 state from the buffer specified\r
15 by Buffer. Buffer must be aligned on a 16-byte boundary. This function is\r
16 only available on IA-32 and x64.\r
17\r
18 If Buffer is NULL, then ASSERT().\r
19 If Buffer is not aligned on a 16-byte boundary, then ASSERT().\r
20 If Buffer was not saved with AsmFxSave(), then ASSERT().\r
21\r
22 @param Buffer A pointer to a buffer to save the floating point/SSE/SSE2 context.\r
23\r
24**/\r
25VOID\r
26EFIAPI\r
27AsmFxRestore (\r
28 IN CONST IA32_FX_BUFFER *Buffer\r
29 )\r
30{\r
31 ASSERT (Buffer != NULL);\r
32 ASSERT (0 == ((UINTN)Buffer & 0xf));\r
33\r
34 //\r
35 // Check the flag recorded by AsmFxSave()\r
36 //\r
37 ASSERT (0xAA5555AA == *(UINT32 *)(&Buffer->Buffer[sizeof (Buffer->Buffer) - 4]));\r
38\r
39 InternalX86FxRestore (Buffer);\r
40}\r