]> git.proxmox.com Git - mirror_edk2.git/blame - MdePkg/Library/BaseLib/X86FxRestore.c
Update the text to use "x64" instead of "X64" in MdePkg.
[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
1efcc4ae 15\r
f734a10a 16\r
e1f414b6 17\r
18#include "BaseLibInternals.h"\r
19\r
20/**\r
21 Restores the current floating point/SSE/SSE2 context from a buffer.\r
22\r
23 Restores the current floating point/SSE/SSE2 state from the buffer specified\r
24 by Buffer. Buffer must be aligned on a 16-byte boundary. This function is\r
030cd1a2 25 only available on IA-32 and x64.\r
e1f414b6 26\r
27 If Buffer is NULL, then ASSERT().\r
28 If Buffer is not aligned on a 16-byte boundary, then ASSERT().\r
29 If Buffer was not saved with AsmFxSave(), then ASSERT().\r
30\r
31 @param Buffer Pointer to a buffer to save the floating point/SSE/SSE2 context.\r
32\r
33**/\r
34VOID\r
35EFIAPI\r
36AsmFxRestore (\r
37 IN CONST IA32_FX_BUFFER *Buffer\r
38 )\r
39{\r
40 ASSERT (Buffer != NULL);\r
38bbd3d9 41 ASSERT (0 == ((UINTN)Buffer & 0xf));\r
e1f414b6 42\r
43 //\r
44 // Check the flag recorded by AsmFxSave()\r
45 //\r
38bbd3d9 46 ASSERT (0xAA5555AA == *(UINT32 *) (&Buffer[sizeof (IA32_FX_BUFFER) - 4]));\r
e1f414b6 47\r
48 InternalX86FxRestore (Buffer);\r
49}\r