66 lines
2.4 KiB
Groff
66 lines
2.4 KiB
Groff
.\"
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.\" Copyright (c) 1997 Colin Wood
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.\" 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 Colin Wood
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.\" for the NetBSD Project.
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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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.\" $NetBSD: mainbus.4,v 1.4 2002/01/15 01:47:38 wiz Exp $
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.\"
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.Dd July 2, 1997
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.Dt MAINBUS 4 mac68k
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.Os
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.Sh NAME
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.Nm mainbus
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.Nd Mac68k main processor bus device
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.Sh SYNOPSIS
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.Cd "mainbus0 at root"
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.Sh DESCRIPTION
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The
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.Nm
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interface serves as an abstraction used by the autoconfiguration
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system to help find and attach busses
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.Pq e.g. the Tn NuBus expansion bus
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or devices
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.Pq e.g. the math coprocessor
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connected to the
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.Tn Macintosh
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main processor bus.
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.Sh DIAGNOSTICS
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.Bl -diag -compact
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.It mainbus0 (root).
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This is the normal autoconfiguration message indicating that the
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main processor bus has been found.
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.El
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.Sh SEE ALSO
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.Xr autoconf 4 ,
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.Xr obio 4
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.Sh HISTORY
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The
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.Nm
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first appeared in
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.Nx 1.2 .
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