1/*	$NetBSD: pio.h,v 1.3 1994/10/26 08:46:38 cgd Exp $	*/
2
3/*
4 * Mach Operating System
5 * Copyright (c) 1990 Carnegie-Mellon University
6 * All rights reserved.  The CMU software License Agreement specifies
7 * the terms and conditions for use and redistribution.
8 */
9
10#define inl(y) \
11({ unsigned long _tmp__; \
12	__asm volatile("inl %1, %0" : "=a" (_tmp__) : "d" ((unsigned short)(y))); \
13	_tmp__; })
14
15#define inw(y) \
16({ unsigned short _tmp__; \
17	__asm volatile(".byte 0x66; inl %1, %0" : "=a" (_tmp__) : "d" ((unsigned short)(y))); \
18	_tmp__; })
19
20#define inb(y) \
21({ unsigned char _tmp__; \
22	__asm volatile("inb %1, %0" : "=a" (_tmp__) : "d" ((unsigned short)(y))); \
23	_tmp__; })
24
25
26#define outl(x, y) \
27{ __asm volatile("outl %0, %1" : : "a" (y) , "d" ((unsigned short)(x))); }
28
29
30#define outw(x, y) \
31{__asm volatile(".byte 0x66; outl %0, %1" : : "a" ((unsigned short)(y)) , "d" ((unsigned short)(x))); }
32
33
34#define outb(x, y) \
35{ __asm volatile("outb %0, %1" : : "a" ((unsigned char)(y)) , "d" ((unsigned short)(x))); }
36