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e1f414b6 | 1 | /** @file\r |
2 | IA-32/x64 AsmFxRestore()\r | |
3 | \r | |
2054fd13 | 4 | Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>\r |
bb817c56 | 5 | This program and the accompanying materials\r |
e1f414b6 | 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 | |
127010dd | 8 | http://opensource.org/licenses/bsd-license.php.\r |
e1f414b6 | 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 | |
127010dd | 31 | @param Buffer A pointer to a buffer to save the floating point/SSE/SSE2 context.\r |
e1f414b6 | 32 | \r |
33 | **/\r | |
34 | VOID\r | |
35 | EFIAPI\r | |
36 | AsmFxRestore (\r | |
2fc60b70 | 37 | IN CONST IA32_FX_BUFFER *Buffer\r |
e1f414b6 | 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 | |
2054fd13 | 46 | ASSERT (0xAA5555AA == *(UINT32 *) (&Buffer->Buffer[sizeof (Buffer->Buffer) - 4]));\r |
e1f414b6 | 47 | \r |
48 | InternalX86FxRestore (Buffer);\r | |
49 | }\r |