173 lines
5.0 KiB
Groff
173 lines
5.0 KiB
Groff
.\" Copyright (c) 1980, 1991 The Regents of the University of California.
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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 the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" from: @(#)config.8 6.5 (Berkeley) 3/16/91
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.\" $Id: config.old.8,v 1.8 1995/04/28 08:15:56 cgd Exp $
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.\"
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.Dd March 16, 1991
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.Dt CONFIG.OLD 8
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.Os BSD 4
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.Sh NAME
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.Nm config.old
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.Nd build system configuration files
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.Sh SYNOPSIS
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.Nm config.old
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.Op Fl gkp
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.Ar SYSTEM_NAME
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.Sh DESCRIPTION
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.Pp
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.Nm config.old
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builds a set of system configuration files from the file
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.Ar SYSTEM_NAME
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which describes
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the system to configure.
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A second file
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tells
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.Nm config.old
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what files are needed to generate a system and
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can be augmented by configuration specific set of files
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that give alternate files for a specific machine.
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(see the
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.Sx FILES
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section below)
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.Pp
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Available option and operand:
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.Pp
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.Bl -tag -width SYSTEM_NAME
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.It Fl g
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If the
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.Fl g
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option is supplied,
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.Nm config.old
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will configure a system for debugging.
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.It Fl k
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If the
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.Fl k
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option is supplied,
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.Nm config.old
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will not fail immediately on detection of a configuration error.
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.It Fl p
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If the
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.Fl p
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option is supplied,
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.Nm config.old
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will configure a system for profiling; for example,
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.Xr kgmon 8
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and
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.Xr gprof 1 .
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.It Ar SYSTEM_NAME
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specifies the name of the system configuration file
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containing device specifications, configuration options
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and other system parameters for one system configuration.
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.El
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.Pp
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.Nm config.old
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should be run from the
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.Pa conf
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subdirectory of the system source (usually
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.Pa /sys/arch/ARCH/conf ) .
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.Nm Config.old
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assumes the directory
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.Pa ../compile/SYSTEM_NAME
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exists and places all output files there.
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The output of
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.Nm config.old
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consists of a number of files; for the
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.Tn i386 ,
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they are:
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.Pa ioconf.c ,
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a description
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of what I/O devices are attached to the system;
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.Pa vector.s ,
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a set of interrupt service routines for devices
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attached to the bus plus
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offsets into a structure used for counting per-device interrupts;
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.Pa Makefile ,
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used by
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.Xr make 1
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in building the system;
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header files,
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definitions of
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the number of various devices that will be compiled into the system;
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swap configuration files,
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definitions for
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the disk areas to be used for swapping, the root file system,
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argument processing, and system dumps.
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.Pp
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After running
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.Nm config.old ,
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it is necessary to run
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.Dq Li make depend
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in the directory where the new makefile
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was created.
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.Nm Config.old
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prints a reminder of this when it completes.
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.Pp
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If any other error messages are produced by
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.Nm config.old ,
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the problems in the configuration file should be corrected and
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.Nm config.old
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should be run again.
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Attempts to compile a system that had configuration errors
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are likely to fail.
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.Sh FILES
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.Bl -tag -width /sys/arch/i386/conf/Makefile.i386 -compact
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.It Pa /sys/arch/i386/conf/Makefile.i386
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generic makefile for the
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.Tn i386
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.It Pa /sys/conf/files.oldconf
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list of common files system is built from
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.It Pa /sys/arch/i386/conf/files.i386.oldconf
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list of
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.Tn i386
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specific files
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.It Pa /sys/arch/i386/conf/devices.i386.oldconf
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name to major device mapping file for the
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.Tn i386
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.It Pa /sys/arch/i386/conf/files.oldconf. Ns Em ERNIE
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list of files specific to
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.Em ERNIE
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system
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.El
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.Sh SEE ALSO
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The SYNOPSIS portion of each device in section 4.
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.Rs
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.%T "Building 4.3 BSD UNIX System with Config"
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.Re
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.Sh BUGS
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The line numbers reported in error messages are usually off by one.
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.Sh HISTORY
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The
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.Nm
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command appeared in
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.Bx 4.1 .
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