36 lines
1009 B
C
36 lines
1009 B
C
/* $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.
|
|
*/
|
|
|
|
#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))); }
|