NetBSD/etc/etc.evbsh3/MAKEDEV
dsl 818622e67a Change the way pseudo tty devices are generated in order to avoid
any pipes and running other commands (eg dd).
Measurable speeds up creating pseudo ttys.
(there has to be a better way than editing 51 files! - tedious at only
6 key presses per file)
2003-08-30 11:00:20 +00:00

383 lines
9.5 KiB
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#!/bin/sh -
#
# $NetBSD: MAKEDEV,v 1.30 2003/08/30 11:00:26 dsl Exp $
#
# Copyright (c) 1990 The Regents of the University of California.
# All rights reserved.
#
# Written and contributed by W. Jolitz 12/90
#
# Redistribution and use in source and binary forms are permitted provided
# that: (1) source distributions retain this entire copyright notice and
# comment, and (2) distributions including binaries display the following
# acknowledgement: ``This product includes software developed by the
# University of California, Berkeley and its contributors'' in the
# documentation or other materials provided with the distribution and in
# all advertising materials mentioning features or use of this software.
# Neither the name of the University nor the names of its contributors may
# be used to endorse or promote products derived from this software without
# specific prior written permission.
# THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
#
# @(#)MAKEDEV 5.2 (Berkeley) 6/22/90
#
###########################################################################
#
# PLEASE RUN "cd ../share/man/man8 ; make makedevs"
# AFTER CHANGING THIS FILE, AND COMMIT THE UPDATED MANPAGE!
#
###########################################################################
#
# Device "make" file. Valid arguments:
# all makes all known devices, including local devices.
# Tries to make the 'standard' number of each type.
# init A set of devices that is used for MFS /dev by init.
# May be equal to "all".
# floppy devices to be put on install floppies
# std standard devices
# local configuration specific devices
#
# Tapes:
# wt* QIC-interfaced (e.g. not SCSI) 3M cartridge tape
# st* SCSI tapes
#
# Disks:
# wd* "winchester" disk drives (ST506,IDE,ESDI,RLL,...)
# fd* "floppy" disk drives (3 1/2", 5 1/4")
# sd* SCSI disks
# cd* SCSI CD-ROM
# mcd* Mitsumi CD-ROM
# vnd* "file" pseudo-disks
# md* memory pseudo-disks
# ccd* concatenated disk devices
# cgd* cryptographic disk devices
#
# Console ports:
#
# Terminal ports:
# com* standard PC COM ports (XXX)
# tty* alias for PC COM ports, this is what the system really wants
#
# Pseudo terminals:
# pty* set of 62 master and slave pseudo terminals
# opty first 16 ptys, to save inodes on install media
#
# Call units:
#
# Special purpose devices:
# clockctl clock control for non root users
# fd file descriptors
# bpf* packet filter
# ipl IP Filter
# pf PF packet filter
# crypto hardware crypto access driver
# cbq Alternate Queueing (ALTQ)
# random Random number generator
# speaker PC speaker (XXX - installed)
# lkm loadable kernel modules interface
# audio audio device
# tun* network tunnel driver
# joy* joystick device
# systrace syscall tracer
#
PATH=/sbin:/usr/sbin:/bin:/usr/bin
umask 77
# Check if we have fdesc mounted
if [ -d fd ]; then
case "`df fd`" in
*fdesc*) nofdesc=false;;
*) nofdesc=true;;
esac
else
nofdesc=true
fi
makedev()
{
for i
do
case $i in
init|all)
makedev std fd fd0
makedev tty0 tty1 pty0
makedev vnd0 vnd1
makedev bpf0 bpf1 bpf2 bpf3 tun0 tun1 ipl pf crypto
makedev ccd0 ccd1 ccd2 ccd3 md0 random
makedev cgd0 cgd1 cgd2 cgd3
makedev lkm audio local
makedev clockctl
makedev systrace
;;
ramdisk)
makedev std md0
makedev tty0 tty1 opty
makedev bpf0 bpf1 bpf2 bpf3 tun0 tun1 ipl
;;
std)
rm -f console drum mem kmem null zero io tty klog stdin stdout stderr
rm -f ksyms
mknod console c 0 0
mknod drum c 4 0 ; chmod 640 drum ; chgrp kmem drum
mknod kmem c 2 1 ; chmod 640 kmem ; chgrp kmem kmem
mknod mem c 2 0 ; chmod 640 mem ; chgrp kmem mem
mknod null c 2 2 ; chmod 666 null
mknod zero c 2 12 ; chmod 666 zero
mknod tty c 1 0 ; chmod 666 tty
mknod klog c 7 0 ; chmod 600 klog
mknod stdin c 22 0 ; chmod 666 stdin
mknod stdout c 22 1 ; chmod 666 stdout
mknod stderr c 22 2 ; chmod 666 stderr
mknod ksyms c 55 0 ; chmod 444 ksyms
;;
fd)
if $nofdesc; then
rm -f fd/*
mkdir fd 2>/dev/null
n=0
while [ $n -lt 64 ]; do
mknod fd/$n c 22 $n
n=$(($n + 1))
done
chmod 755 fd
chmod 666 fd/*
fi
;;
md*)
case $i in
md*) name=md; unit=${i#md}; chr=24; blk=17;;
esac
rm -f $name$unit? r$name$unit?
mknod ${name}${unit}a b $blk $(($unit * 8 + 0))
mknod ${name}${unit}c b $blk $(($unit * 8 + 2))
# mknod r${name}${unit}a c $chr $(($unit * 8 + 0))
# mknod r${name}${unit}c c $chr $(($unit * 8 + 2))
chgrp operator $name$unit? #r$name$unit?
chmod 640 $name$unit? #r$name$unit?
;;
ccd*|cgd*|fd*|sd*|vnd*|wd*)
case $i in
ccd*) name=ccd; unit=${i#ccd}; blk=16; chr=18;;
cgd*) name=cgd; unit=${i#cgd}; blk=19; chr=54;;
fd*) name=fd; unit=${i#fd}; blk=2; chr=9;;
sd*) name=sd; unit=${i#sd}; blk=4; chr=13;;
vnd*) name=vnd; unit=${i#vnd}; blk=14; chr=41;;
wd*) name=wd; unit=${i#wd}; blk=0; chr=3;;
esac
rm -f $name$unit? r$name$unit?
mknod ${name}${unit}a b $blk $(($unit * 16 + 0))
mknod ${name}${unit}b b $blk $(($unit * 16 + 1))
mknod ${name}${unit}c b $blk $(($unit * 16 + 2))
mknod ${name}${unit}d b $blk $(($unit * 16 + 3))
mknod ${name}${unit}e b $blk $(($unit * 16 + 4))
mknod ${name}${unit}f b $blk $(($unit * 16 + 5))
mknod ${name}${unit}g b $blk $(($unit * 16 + 6))
mknod ${name}${unit}h b $blk $(($unit * 16 + 7))
mknod ${name}${unit}i b $blk $(($unit * 16 + 8))
mknod ${name}${unit}j b $blk $(($unit * 16 + 9))
mknod ${name}${unit}k b $blk $(($unit * 16 + 10))
mknod ${name}${unit}l b $blk $(($unit * 16 + 11))
mknod ${name}${unit}m b $blk $(($unit * 16 + 12))
mknod ${name}${unit}n b $blk $(($unit * 16 + 13))
mknod ${name}${unit}o b $blk $(($unit * 16 + 14))
mknod ${name}${unit}p b $blk $(($unit * 16 + 15))
mknod r${name}${unit}a c $chr $(($unit * 16 + 0))
mknod r${name}${unit}b c $chr $(($unit * 16 + 1))
mknod r${name}${unit}c c $chr $(($unit * 16 + 2))
mknod r${name}${unit}d c $chr $(($unit * 16 + 3))
mknod r${name}${unit}e c $chr $(($unit * 16 + 4))
mknod r${name}${unit}f c $chr $(($unit * 16 + 5))
mknod r${name}${unit}g c $chr $(($unit * 16 + 6))
mknod r${name}${unit}h c $chr $(($unit * 16 + 7))
mknod r${name}${unit}i c $chr $(($unit * 16 + 8))
mknod r${name}${unit}j c $chr $(($unit * 16 + 9))
mknod r${name}${unit}k c $chr $(($unit * 16 + 10))
mknod r${name}${unit}l c $chr $(($unit * 16 + 11))
mknod r${name}${unit}m c $chr $(($unit * 16 + 12))
mknod r${name}${unit}n c $chr $(($unit * 16 + 13))
mknod r${name}${unit}o c $chr $(($unit * 16 + 14))
mknod r${name}${unit}p c $chr $(($unit * 16 + 15))
chgrp operator $name$unit? r$name$unit?
chmod 640 $name$unit? r$name$unit?
;;
com*|tty*) # (XXX -- com should die)
unit=${i#???}
rm -f com$unit tty0$unit
mknod tty0$unit c 8 $unit
chown uucp tty0$unit
;;
opty)
rm -f ttyp[0-9a-f] ptyp[0-9a-f]
for j in 0 1 2 3 4 5 6 7 8 9 a b c d e f
do
case $j in
[0-9]) jn=$j ;;
a) jn=10 ;;
b) jn=11 ;;
c) jn=12 ;;
d) jn=13 ;;
e) jn=14 ;;
f) jn=15 ;;
esac
mknod ttyp$j c 5 $jn
mknod ptyp$j c 6 $jn
done
chmod 666 ttyp[0-9a-f] ptyp[0-9a-f]
;;
pty*)
class=${i#pty}
set -- p q r s t u v w x y z P Q R S T
if [ "$class" -ge $# ]; then
echo "$MAKEDEV: $i: pty unit must be between 0 and 15"
continue
fi
shift $class
name=$1
if [ "$name" = v ]; then
echo "$MAKEDEV: $i: pty unit conflicts with console ttyv0 device."
continue
fi
rm -f tty$name[0-9a-zA-Z] pty$name[0-9a-zA-Z]
jn=0
unit=$(($class * 16))
names=
set -- - 0 1 2 3 4 5 6 7 8 9 a b c d e f g h i j k l m n o p q r s t u v w x y z A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
while
shift
j=$1
[ -n "$j" ]
do
if [ $j = g ]; then
unit=$(($unit + $class * 30 + 256 - 16))
fi
mknod tty$name$j c 5 $unit
mknod pty$name$j c 6 $unit
names="$names tty$name$j pty$name$j"
unit=$(($unit + 1))
done
chmod 666 $names
unset names
;;
cd*|mcd*)
case $i in
cd*) name=cd; unit=${i#cd}; chr=15; blk=6;;
mcd*) name=mcd; unit=${i#mcd}; chr=39; blk=7;;
esac
rm -f $name$unit? r$name$unit?
mknod ${name}${unit}a b $blk $(($unit * 8 + 0))
mknod ${name}${unit}c b $blk $(($unit * 8 + 2))
mknod r${name}${unit}a c $chr $(($unit * 8 + 0))
mknod r${name}${unit}c c $chr $(($unit * 8 + 2))
chgrp operator $name$unit? r$name$unit?
chmod 640 $name$unit? r$name$unit?
;;
bpf*|tun*|joy*)
case $i in
bpf*) name=bpf; unit=${i#bpf}; chr=23;;
tun*) name=tun; unit=${i#tun}; chr=40;;
joy*) name=joy; unit=${i#joy}; chr=26;;
esac
rm -f $name$unit
mknod $name$unit c $chr $unit
;;
ipl)
rm -f ipl ipnat ipstate ipauth
mknod ipl c 44 0
mknod ipnat c 44 1
mknod ipstate c 44 2
mknod ipauth c 44 3
chmod 600 ipl ipnat ipstate ipauth
;;
pf)
rm -f pf
mknod pf c 56 0
chmod 600 pf
;;
crypto)
rm -f crypto
mknod crypto c 57 0
chmod 666 crypto
;;
lkm)
rm -f lkm
mknod lkm c 28 0
chgrp kmem lkm
chmod 640 lkm
;;
audio*)
unit=${i#audio}
audio=audio$unit
sound=sound$unit
mixer=mixer$unit
major=42
audioctl=audioctl$unit
if [ "$unit" = "" ]; then unit=0; fi
rm -f $audio $sound $mixer $audioctl
mknod $sound c $major $(($unit + 0))
mknod $audio c $major $(($unit + 128))
mknod $mixer c $major $(($unit + 16))
mknod $audioctl c $major $(($unit + 192))
chmod 666 $audio $sound $mixer $audioctl
;;
random)
rm -f random urandom
mknod random c 46 0
mknod urandom c 46 1
chmod 444 random
chmod 644 urandom
;;
clockctl)
rm -f clockctl
mknod clockctl c 52 0
chgrp ntpd clockctl
chmod 660 clockctl
;;
systrace)
rm -f systrace
mknod systrace c 53 0
chmod 644 systrace
;;
local)
if [ -f "$0.local" ]; then
umask 0
sh $0.local all
umask 77
fi
;;
*)
echo $i: unknown device
;;
esac
done
}
makedev $*