47 lines
2.1 KiB
C
47 lines
2.1 KiB
C
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/* $NetBSD: pio.h,v 1.1.1.1 1996/03/13 04:58:08 jonathan Exp $ */
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/*
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* Copyright (c) 1995 Per Fogelstrom. All rights reserved.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Charles M. Hannum.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* I/O macros.
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*/
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#define outb(a,v) (*(volatile unsigned char*)(a) = (v))
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#define outw(a,v) (*(volatile unsigned short*)(a) = (v))
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#define out16(a,v) outw(a,v)
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#define outl(a,v) (*(volatile unsigned int*)(a) = (v))
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#define out32(a,v) outl(a,v)
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#define inb(a) (*(volatile unsigned char*)(a))
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#define inw(a) (*(volatile unsigned short*)(a))
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#define in16(a) inw(a)
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#define inl(a) (*(volatile unsigned int*)(a))
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#define in32(a) inl(a)
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