|
Last change
on this file since 5490 was 4071, checked in by vboxsync, 17 years ago |
|
Biggest check-in ever. New source code headers for all (C) innotek files.
|
|
File size:
1.1 KB
|
| Line | |
|---|
| 1 | ;; @file
|
|---|
| 2 | ; innotek Portable Runtime - ASMAtomicXchgU8().
|
|---|
| 3 | ;
|
|---|
| 4 |
|
|---|
| 5 | ;
|
|---|
| 6 | ; Copyright (C) 2006-2007 innotek GmbH
|
|---|
| 7 | ;
|
|---|
| 8 | ; This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 9 | ; available from http://www.virtualbox.org. This file is free software;
|
|---|
| 10 | ; you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 11 | ; General Public License as published by the Free Software Foundation,
|
|---|
| 12 | ; in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
|
|---|
| 13 | ; distribution. VirtualBox OSE is distributed in the hope that it will
|
|---|
| 14 | ; be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 15 |
|
|---|
| 16 | ;*******************************************************************************
|
|---|
| 17 | ;* Header Files *
|
|---|
| 18 | ;*******************************************************************************
|
|---|
| 19 | %include "iprt/asmdefs.mac"
|
|---|
| 20 |
|
|---|
| 21 | BEGINCODE
|
|---|
| 22 |
|
|---|
| 23 | ;;
|
|---|
| 24 | ; @returns al Current *pu8 value
|
|---|
| 25 | ; @param rcx pu8 Pointer to the 8-bit variable to update.
|
|---|
| 26 | ; @param dl u8 The 8-bit value to assign to *pu8.
|
|---|
| 27 | BEGINPROC_EXPORTED ASMAtomicXchgU8
|
|---|
| 28 | xchg [rcx], dl
|
|---|
| 29 | movzx eax, dl
|
|---|
| 30 | ret
|
|---|
| 31 | ENDPROC ASMAtomicXchgU8
|
|---|
| 32 |
|
|---|
Note:
See
TracBrowser
for help on using the repository browser.
