source: vbox/trunk/src/VBox/Additions/x11/x11include/xorg-server-1.0.1/scoasm.h

/* $XFree86: xc/programs/Xserver/hw/xfree86/common/scoasm.h,v 3.1 2003/08/24 17:36:49 dawes Exp $ */

/*
 * Copyright (c) 1996 by The XFree86 Project, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Except as contained in this notice, the name of the copyright holder(s)
 * and author(s) shall not be used in advertising or otherwise to promote
 * the sale, use or other dealings in this Software without prior written
 * authorization from the copyright holder(s) and author(s).
 */

/*
 * scoasm.h - used to define inline versions of certain functions which
 * do NOT appear in sys/inline.h.
 */
#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif

#if defined(__SCO__) && defined(__USLC__)
#ifndef _SCOASM_HDR_INC
#define _SCOASM_HDR_INC

asm     void outl(port,val)
{
%reg    port,val;
        movl    port, %edx
        movl    val, %eax
        outl    (%dx)
%reg    port; mem       val;
        movl    port, %edx
        movl    val, %eax
        outl    (%dx)
%mem    port; reg       val;
        movw    port, %dx
        movl    val, %eax
        outl    (%dx)
%mem    port,val;
        movw    port, %dx
        movl    val, %eax
        outl    (%dx)
}

asm     void outw(port,val)
{
%reg    port,val;
        movl    port, %edx
        movl    val, %eax
        data16
        outl    (%dx)
%reg    port; mem       val;
        movl    port, %edx
        movw    val, %ax
        data16
        outl    (%dx)
%mem    port; reg       val;
        movw    port, %dx
        movl    val, %eax
        data16
        outl    (%dx)
%mem    port,val;
        movw    port, %dx
        movw    val, %ax
        data16
        outl    (%dx)
}

asm     void outb(port,val)
{
%reg    port,val;
        movl    port, %edx
        movl    val, %eax
        outb    (%dx)
%reg    port; mem       val;
        movl    port, %edx
        movb    val, %al
        outb    (%dx)
%mem    port; reg       val;
        movw    port, %dx
        movl    val, %eax
        outb    (%dx)
%mem    port,val;
        movw    port, %dx
        movb    val, %al
        outb    (%dx)
}

asm     int inl(port)
{
%reg    port;
        movl    port, %edx
        inl     (%dx)
%mem    port;
        movw    port, %dx
        inl     (%dx)
}

asm     int inw(port)
{
%reg    port;
        subl    %eax, %eax
        movl    port, %edx
        data16
        inl     (%dx)
%mem    port;
        subl    %eax, %eax
        movw    port, %dx
        data16
        inl     (%dx)
}

asm     int inb(port)
{
%reg    port;
        subl    %eax, %eax
        movl    port, %edx
        inb     (%dx)
%mem    port;
        subl    %eax, %eax
        movw    port, %dx
        inb     (%dx)
}

#endif /* _SCOASM_HDR_INC */
#endif /* __SCO__ && __USLC__ */