kolibrios/programs/develop/open watcom/trunk/clib/intel/segread.c
Sergey Semyonov (Serge) 43bd1e645f Clib char & math functions
git-svn-id: svn://kolibrios.org@554 a494cfbc-eb01-0410-851d-a64ba20cac60
2007-06-26 11:19:49 +00:00

61 lines
2.3 KiB
C

/****************************************************************************
*
* Open Watcom Project
*
* Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
*
* ========================================================================
*
* This file contains Original Code and/or Modifications of Original
* Code as defined in and that are subject to the Sybase Open Watcom
* Public License version 1.0 (the 'License'). You may not use this file
* except in compliance with the License. BY USING THIS FILE YOU AGREE TO
* ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
* provided with the Original Code and Modifications, and is also
* available at www.sybase.com/developer/opensource.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
* ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
* NON-INFRINGEMENT. Please see the License for the specific language
* governing rights and limitations under the License.
*
* ========================================================================
*
* Description: WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
* DESCRIBE IT HERE!
*
****************************************************************************/
#include "variety.h"
#include <i86.h>
extern unsigned short _CS(), _DS(), _ES(), _SS();
#pragma aux _CS = 0x8C 0xC8 /* mov ax,cs */ value [ax];
#pragma aux _DS = 0x8C 0xD8 /* mov ax,ds */ value [ax];
#pragma aux _ES = 0x8C 0xC0 /* mov ax,es */ value [ax];
#pragma aux _SS = 0x8C 0xD0 /* mov ax,ss */ value [ax];
#if defined(__386__)
extern unsigned short _FS(), _GS();
#pragma aux _FS = 0x8C 0xE0 /* mov ax,fs */ value [ax];
#pragma aux _GS = 0x8C 0xE8 /* mov ax,gs */ value [ax];
#endif
_WCRTLINK void segread( struct SREGS *segregs )
{
__ptr_check( segregs, 0 );
segregs->cs = _CS();
segregs->ds = _DS();
segregs->es = _ES();
segregs->ss = _SS();
#if defined(__386__)
segregs->fs = _FS();
segregs->gs = _GS();
#endif
}