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/* $OpenBSD: pio.h,v 1.3 1997/11/30 06:10:32 gene Exp $ */
/* $NetBSD: pio.h,v 1.3 1994/10/26 08:46:38 cgd Exp $ */
/*
* Mach Operating System
* Copyright (c) 1990 Carnegie-Mellon University
* All rights reserved. The CMU software License Agreement specifies
* the terms and conditions for use and redistribution.
*/
#ifndef _MAC68K_PIO_H_
#define _MAC68K_PIO_H_
#define inl(y) \
({ unsigned long _tmp__; \
asm volatile("inl %1, %0" : "=a" (_tmp__) : "d" ((unsigned short)(y))); \
_tmp__; })
#define inw(y) \
({ unsigned short _tmp__; \
asm volatile(".byte 0x66; inl %1, %0" : "=a" (_tmp__) : "d" ((unsigned short)(y))); \
_tmp__; })
#define inb(y) \
({ unsigned char _tmp__; \
asm volatile("inb %1, %0" : "=a" (_tmp__) : "d" ((unsigned short)(y))); \
_tmp__; })
#define outl(x, y) \
{ asm volatile("outl %0, %1" : : "a" (y) , "d" ((unsigned short)(x))); }
#define outw(x, y) \
{asm volatile(".byte 0x66; outl %0, %1" : : "a" ((unsigned short)(y)) , "d" ((unsigned short)(x))); }
#define outb(x, y) \
{ asm volatile("outb %0, %1" : : "a" ((unsigned char)(y)) , "d" ((unsigned short)(x))); }
#endif /* _MAC68K_PIO_H_ */
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