110 lines
3.4 KiB
C
110 lines
3.4 KiB
C
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/*
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* Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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/*
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* @OSF_COPYRIGHT@
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*/
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/*
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* Mach Operating System
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* Copyright (c) 1991,1990 Carnegie Mellon University
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* All Rights Reserved.
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*
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* Permission to use, copy, modify and distribute this software and its
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* documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
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* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie Mellon
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* the rights to redistribute these changes.
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*/
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/*
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*/
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#ifndef _ARCH_I386_PIO_H_
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#define _ARCH_I386_PIO_H_
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typedef unsigned short i386_ioport_t;
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#if defined(__GNUC__)
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static __inline__ unsigned int inl(
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i386_ioport_t port)
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{
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unsigned int datum;
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__asm__ volatile("inl %w1, %0" : "=a" (datum) : "Nd" (port));
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return(datum);
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}
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static __inline__ unsigned short inw(
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i386_ioport_t port)
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{
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unsigned short datum;
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__asm__ volatile("inw %w1, %w0" : "=a" (datum) : "Nd" (port));
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return(datum);
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}
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static __inline__ unsigned char inb(
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i386_ioport_t port)
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{
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unsigned char datum;
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__asm__ volatile("inb %w1, %b0" : "=a" (datum) : "Nd" (port));
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return(datum);
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}
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static __inline__ void outl(
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i386_ioport_t port,
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unsigned int datum)
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{
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__asm__ volatile("outl %0, %w1" : : "a" (datum), "Nd" (port));
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}
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static __inline__ void outw(
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i386_ioport_t port,
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unsigned short datum)
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{
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__asm__ volatile("outw %w0, %w1" : : "a" (datum), "Nd" (port));
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}
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static __inline__ void outb(
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i386_ioport_t port,
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unsigned char datum)
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{
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__asm__ volatile("outb %b0, %w1" : : "a" (datum), "Nd" (port));
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}
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#endif /* defined(__GNUC__) */
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#endif /* _ARCH_I386_PIO_H_ */
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