/* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * @OSF_COPYRIGHT@ */ /* * Mach Operating System * Copyright (c) 1991,1990 Carnegie Mellon University * All Rights Reserved. * * Permission to use, copy, modify and distribute this software and its * documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * Carnegie Mellon requests users of this software to return to * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 * * any improvements or extensions that they make and grant Carnegie Mellon * the rights to redistribute these changes. */ /* */ #ifndef I386_PIO_H #define I386_PIO_H #include <mach_assert.h> typedef unsigned short i386_ioport_t; /* read a longword */ extern unsigned long inl( i386_ioport_t port); /* read a shortword */ extern unsigned short inw( i386_ioport_t port); /* read a byte */ extern unsigned char inb( i386_ioport_t port); /* write a longword */ extern void outl( i386_ioport_t port, unsigned long datum); /* write a word */ extern void outw( i386_ioport_t port, unsigned short datum); /* write a longword */ extern void outb( i386_ioport_t port, unsigned char datum); /* input an array of longwords */ extern void linl( i386_ioport_t port, int * data, int count); /* output an array of longwords */ extern void loutl( i386_ioport_t port, int * data, int count); /* input an array of words */ extern void linw( i386_ioport_t port, int * data, int count); /* output an array of words */ extern void loutw( i386_ioport_t port, int * data, int count); /* input an array of bytes */ extern void linb( i386_ioport_t port, char * data, int count); /* output an array of bytes */ extern void loutb( i386_ioport_t port, char * data, int count); #if defined(__GNUC__) && (!MACH_ASSERT) extern __inline__ unsigned long inl( i386_ioport_t port) { unsigned long datum; __asm__ volatile("inl %1, %0" : "=a" (datum) : "d" (port)); return(datum); } extern __inline__ unsigned short inw( i386_ioport_t port) { unsigned short datum; __asm__ volatile(".byte 0x66; inl %1, %0" : "=a" (datum) : "d" (port)); return(datum); } extern __inline__ unsigned char inb( i386_ioport_t port) { unsigned char datum; __asm__ volatile("inb %1, %0" : "=a" (datum) : "d" (port)); return(datum); } extern __inline__ void outl( i386_ioport_t port, unsigned long datum) { __asm__ volatile("outl %0, %1" : : "a" (datum), "d" (port)); } extern __inline__ void outw( i386_ioport_t port, unsigned short datum) { __asm__ volatile(".byte 0x66; outl %0, %1" : : "a" (datum), "d" (port)); } extern __inline__ void outb( i386_ioport_t port, unsigned char datum) { __asm__ volatile("outb %0, %1" : : "a" (datum), "d" (port)); } #endif /* defined(__GNUC__) && (!MACH_ASSERT) */ #endif /* I386_PIO_H */