2012-01-25 13:29:07 +01:00
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/* $NetBSD: pio.h,v 1.9 2011/05/22 16:01:43 christos Exp $ */
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2012-01-09 15:07:58 +01:00
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/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Charles M. Hannum.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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2012-01-25 13:29:07 +01:00
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#ifndef _X86_PIO_H_
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#define _X86_PIO_H_
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2012-01-09 15:07:58 +01:00
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/*
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2012-01-25 13:29:07 +01:00
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* Functions to provide access to x86 programmed I/O instructions.
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2012-01-09 15:07:58 +01:00
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*/
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2012-01-25 13:29:07 +01:00
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uint8_t inb(unsigned);
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void insb(unsigned, void *, int);
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uint16_t inw(unsigned);
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void insw(unsigned, void *, int);
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uint32_t inl(unsigned);
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void insl(unsigned, void *, int);
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2012-01-09 15:07:58 +01:00
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2012-01-25 13:29:07 +01:00
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void outb(unsigned, uint8_t);
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void outsb(unsigned, void *, int);
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void outw(unsigned, uint16_t);
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void outsw(unsigned, void *, int);
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void outl(unsigned, uint32_t);
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void outsl(unsigned, void *, int);
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#endif /* _X86_PIO_H_ */
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