/* $NetBSD: pio.h,v 1.4 2005/12/24 22:45:35 perry 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. */ #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))); } |