xref: /openbsd-src/share/man/man4/man4.hppa/runway.4 (revision 9490d37cb6a2f9c8feb8d4b7f9c43b2ac41784aa)
1*9490d37cSjmc.\"	$OpenBSD: runway.4,v 1.5 2007/05/31 19:19:54 jmc Exp $
2dac0ebebSmickey.\"
3dac0ebebSmickey.\" Copyright (c) 2004 Michael Shalayeff
4dac0ebebSmickey.\" All rights reserved.
5dac0ebebSmickey.\"
6dac0ebebSmickey.\" Redistribution and use in source and binary forms, with or without
7dac0ebebSmickey.\" modification, are permitted provided that the following conditions
8dac0ebebSmickey.\" are met:
9dac0ebebSmickey.\" 1. Redistributions of source code must retain the above copyright
10dac0ebebSmickey.\"    notice, this list of conditions and the following disclaimer.
11dac0ebebSmickey.\" 2. Redistributions in binary form must reproduce the above copyright
12dac0ebebSmickey.\"    notice, this list of conditions and the following disclaimer in the
13dac0ebebSmickey.\"    documentation and/or other materials provided with the distribution.
14dac0ebebSmickey.\"
15dac0ebebSmickey.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16dac0ebebSmickey.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17dac0ebebSmickey.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18dac0ebebSmickey.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19dac0ebebSmickey.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20dac0ebebSmickey.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF MIND,
21dac0ebebSmickey.\" USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22dac0ebebSmickey.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23dac0ebebSmickey.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24dac0ebebSmickey.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25dac0ebebSmickey.\"
26*9490d37cSjmc.Dd $Mdocdate: May 31 2007 $
27bf7d18a1Smickey.Dt RUNWAY 4 hppa
28dac0ebebSmickey.Os
29dac0ebebSmickey.Sh NAME
30dac0ebebSmickey.Nm runway
31dac0ebebSmickey.Nd Runway bus
32dac0ebebSmickey.Sh SYNOPSIS
33dac0ebebSmickey.Cd "uturn* at mainbus?"
34dac0ebebSmickey.Sh DESCRIPTION
359cc2ffafSmickeyThe
369cc2ffafSmickey.Nm
372c2ec4bdSjmcbus is a CPU and memory bus on systems based on the PA-7200,
382c2ec4bdSjmcPA-8000, and later CPUs.
399cc2ffafSmickeyThe
409cc2ffafSmickey.Nm
419cc2ffafSmickeybus is a 64-bit multiplexed address/data bus with support for cache
422c2ec4bdSjmccoherency and allows up to 4-way SMP system configurations.
439cc2ffafSmickey.Pp
449cc2ffafSmickeyOne or two
459cc2ffafSmickey.Xr uturn 4
462c2ec4bdSjmcbridges connect the
479cc2ffafSmickey.Nm
489cc2ffafSmickeybus to the system's
499cc2ffafSmickey.Xr gsc 4
509cc2ffafSmickeyor
519cc2ffafSmickey.Xr pci 4
522c2ec4bdSjmcbuses.
53dac0ebebSmickey.Sh SEE ALSO
549cc2ffafSmickey.Xr cpu 4 ,
55dac0ebebSmickey.Xr dino 4 ,
56dac0ebebSmickey.Xr gsc 4 ,
57dac0ebebSmickey.Xr intro 4 ,
589cc2ffafSmickey.Xr pci 4 ,
59dac0ebebSmickey.Xr uturn 4
60dac0ebebSmickey.Sh HISTORY
61dac0ebebSmickeyThe
62dac0ebebSmickey.Nm
63dac0ebebSmickeydriver
642c2ec4bdSjmcfirst appeared in
65dac0ebebSmickey.Ox 3.7 .
66