/*
 * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This 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 APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * @OSF_COPYRIGHT@
 */
/* 
 * Mach Operating System
 * Copyright (c) 1991,1990 Carnegie Mellon University
 * All Rights Reserved.
 * 
 * Permission to use, copy, modify and distribute this software and its
 * documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 * 
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 * 
 * Carnegie Mellon requests users of this software to return to
 * 
 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 * 
 * any improvements or extensions that they make and grant Carnegie Mellon
 * the rights to redistribute these changes.
 */
/* 
 */
#ifndef _ARCH_I386_PIO_H_
#define _ARCH_I386_PIO_H_

typedef unsigned short i386_ioport_t;

#if defined(__GNUC__)
static __inline__ unsigned long	inl(
				i386_ioport_t port)
{
	unsigned long datum;
	__asm__ volatile("inl %w1, %0" : "=a" (datum) : "Nd" (port));
	return(datum);
}

static __inline__ unsigned short inw(
				i386_ioport_t port)
{
	unsigned short datum;
	__asm__ volatile("inw %w1, %w0" : "=a" (datum) : "Nd" (port));
	return(datum);
}

static __inline__ unsigned char inb(
				i386_ioport_t port)
{
	unsigned char datum;
	__asm__ volatile("inb %w1, %b0" : "=a" (datum) : "Nd" (port));
	return(datum);
}

static __inline__ void outl(
				i386_ioport_t port,
				unsigned long datum)
{
	__asm__ volatile("outl %0, %w1" : : "a" (datum), "Nd" (port));
}

static __inline__ void outw(
				i386_ioport_t port,
				unsigned short datum)
{
	__asm__ volatile("outw %w0, %w1" : : "a" (datum), "Nd" (port));
}

static __inline__ void outb(
				i386_ioport_t port,
				unsigned char datum)
{
	__asm__ volatile("outb %b0, %w1" : : "a" (datum), "Nd" (port));
}
#endif /* defined(__GNUC__) */
#endif /* _ARCH_I386_PIO_H_ */
