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1.1 root 1: .\" Copyright (c) 1980 Regents of the University of California.
2: .\" All rights reserved. The Berkeley software License Agreement
3: .\" specifies the terms and conditions for redistribution.
4: .\"
5: .\" @(#)config.8 6.2 (Berkeley) 5/20/86
6: .\"
7: .TH CONFIG 8 "May 20, 1986"
8: .UC 4
9: .SH NAME
10: config \- build system configuration files
11: .SH SYNOPSIS
12: .B /etc/config
13: [
14: .B \-p
15: ]
16: .I SYSTEM_NAME
17: .SH DESCRIPTION
18: .PP
19: .I Config
20: builds a set of system configuration files from a short file which describes
21: the sort of system that is being configured. It also takes as input a file
22: which tells
23: .I config
24: what files are needed to generate a system.
25: This can be augmented by a configuration specific set of files
26: that give alternate files for a specific machine.
27: (see the FILES section below)
28: If the
29: .B \-p
30: option is supplied,
31: .I config
32: will configure a system for profiling; c.f.
33: .IR kgmon (8)
34: and
35: .IR gprof (1).
36: .PP
37: .I Config
38: should be run from the
39: .B conf
40: subdirectory of the system source (usually /sys/conf).
41: Its argument is the name of a system configuration file
42: containing device specifications, configuration options
43: and other system parameters for one system configuration.
44: .I Config
45: assumes that there is already a directory
46: .I "../SYSTEM_NAME"
47: created and it places all its output files in there.
48: The output of
49: .I config
50: consists of a number of files; for the VAX, they are:
51: .B ioconf.c
52: contains a description
53: of what I/O devices are attached to the system,;
54: .B ubglue.s
55: contains a set of interrupt service routines for devices
56: attached to the UNIBUS;
57: .B ubvec.s
58: contains offsets into a structure used for counting per-device interrupts;
59: .B Makefile
60: is a file used by
61: .IR make (1)
62: in building the system; a set of header files contain definitions of
63: the number of various devices that will be compiled into the system;
64: and a set of swap configuration files contain definitions for
65: the disk areas to be used for swapping, the root file system,
66: argument processing, and system dumps.
67: .PP
68: After running
69: .IR config ,
70: it is necessary to run ``make depend'' in the directory where the new makefile
71: was created.
72: .I Config
73: prints a reminder of this when it completes.
74: .PP
75: If any other error messages are produced by
76: .I config,
77: the problems in the configuration file should be corrected and
78: .I config
79: should be run again.
80: Attempts to compile a system that had configuration errors
81: are likely to meet with failure.
82: .SH FILES
83: .nf
84: /sys/conf/Makefile.vax generic makefile for the VAX
85: /sys/conf/files list of common files system is built from
86: /sys/conf/files.vax list of VAX specific files
87: /sys/conf/devices.vax name to major device mapping file for the VAX
88: /sys/conf/files.ERNIE list of files specific to ERNIE system
89: .fi
90: .SH SEE ALSO
91: ``Building 4.3BSD UNIX System with Config''
92: .br
93: The SYNOPSIS portion of each device in section 4.
94: .SH BUGS
95: The line numbers reported in error messages are usually off by one.
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