/* $OpenBSD: pio.h,v 1.4 2001/01/15 19:50:38 deraadt 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_ */