|
Last change
on this file since 89916 was 80721, checked in by vboxsync, 6 years ago |
|
Devices/EFI/FirmwareNew: Start upgrade process to edk2-stable201908 (compiles on Windows and works to some extent), bugref:4643
|
-
Property svn:eol-style
set to
native
|
|
File size:
972 bytes
|
| Line | |
|---|
| 1 | /** @file
|
|---|
| 2 | IA-32/x64 AsmFxSave()
|
|---|
| 3 |
|
|---|
| 4 | Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
|
|---|
| 5 | SPDX-License-Identifier: BSD-2-Clause-Patent
|
|---|
| 6 |
|
|---|
| 7 | **/
|
|---|
| 8 |
|
|---|
| 9 |
|
|---|
| 10 |
|
|---|
| 11 |
|
|---|
| 12 | #include "BaseLibInternals.h"
|
|---|
| 13 |
|
|---|
| 14 | /**
|
|---|
| 15 | Save the current floating point/SSE/SSE2 context to a buffer.
|
|---|
| 16 |
|
|---|
| 17 | Saves the current floating point/SSE/SSE2 state to the buffer specified by
|
|---|
| 18 | Buffer. Buffer must be aligned on a 16-byte boundary. This function is only
|
|---|
| 19 | available on IA-32 and x64.
|
|---|
| 20 |
|
|---|
| 21 | If Buffer is NULL, then ASSERT().
|
|---|
| 22 | If Buffer is not aligned on a 16-byte boundary, then ASSERT().
|
|---|
| 23 |
|
|---|
| 24 | @param Buffer A pointer to a buffer to save the floating point/SSE/SSE2 context.
|
|---|
| 25 |
|
|---|
| 26 | **/
|
|---|
| 27 | VOID
|
|---|
| 28 | EFIAPI
|
|---|
| 29 | AsmFxSave (
|
|---|
| 30 | OUT IA32_FX_BUFFER *Buffer
|
|---|
| 31 | )
|
|---|
| 32 | {
|
|---|
| 33 | ASSERT (Buffer != NULL);
|
|---|
| 34 | ASSERT (0 == ((UINTN)Buffer & 0xf));
|
|---|
| 35 |
|
|---|
| 36 | InternalX86FxSave (Buffer);
|
|---|
| 37 |
|
|---|
| 38 | //
|
|---|
| 39 | // Mark one flag at end of Buffer, it will be check by AsmFxRestor()
|
|---|
| 40 | //
|
|---|
| 41 | *(UINT32 *) (&Buffer->Buffer[sizeof (Buffer->Buffer) - 4]) = 0xAA5555AA;
|
|---|
| 42 | }
|
|---|
Note:
See
TracBrowser
for help on using the repository browser.
