#!/bin/sh -
#	$OpenBSD: MAKEDEV,v 1.24 1998/10/15 21:24:53 art 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.
#
#	from: @(#)MAKEDEV	5.2 (Berkeley) 6/22/90
#	$NetBSD: MAKEDEV,v 1.17 1996/02/03 15:02:42 briggs Exp $ 
#
# Device "make" file.  Valid arguments:
#	all	makes all known devices, including local devices.
#		Tries to make the ``standard'' number of each type.
#	std	standard devices
#	fd	makes fd/* for the fdescfs.
#	local	configuration specific devices
#	ramdisk	makes all devices for a ramdisk kernel
#
# Tapes:
#	st*	SCSI tapes
#
# Disks:
#	fd*	Floppy disk drives (3 1/2", 5 1/4")
#	sd*	SCSI disks
#	cd*	SCSI cdrom drives
#	ch*	SCSI media changer
#	vnd*	"file" pseudo-disks
#	rd*	"ramdisk" pseudo-disks
#	ccd*	concatenated disk devices
#
# Terminal ports:
#	ttye*	ite bitmapped consoles
#	tty*	standard built-in serial ports (2)
#
# Pseudo terminals:
#	pty*	set of 16 master and slave pseudo terminals
#
# Graphics devices:
#	grf*	custom chip (grf0), Retina Z2/Z3 (grf1/grf2),
#		Cirrus boards (grf3), A2410 (grf4) video or
#		CyberVision 64 (grf5)
#
# Special purpose devices:
#	bpf*	Berkeley Packet Filter
#	tun*	network tunnel driver
#	lkm	loadable kernel modules interface
#	*random	inkernal random data source
#

PATH=/sbin:/bin:/usr/bin:/usr/sbin
this=$0
umask 77

# default shell support functions
add ()
{
	tmp=0
	while [ "$1" ]
	do
		tmp=$(( $1 + $tmp ))
		shift
	done
	echo $tmp
}
mult ()
{
	echo "$(( $1 * $2 ))"
}
hex ()
{
	case $1 in
		[0-9]) echo -n $1;;
		10) echo -n a;;
		11) echo -n b;;
		12) echo -n c;;
		13) echo -n d;;
		14) echo -n e;;
		15) echo -n f;;
	esac
}
trunc ()
{
	# XXX pdksh can't seem to deal with locally scoped variables
	# in ${foo#$bar} expansions
	arg1="$1"
	arg2="$2"
	echo ${arg1#$arg2}
}
unt()
{
	# XXX pdksh can't seem to deal with locally scoped variables
	# in ${foo#$bar} expansions
	arg1="$1"
	tmp="${arg1#[a-z]*}"
	while [ "$tmp" != "$arg1" ]
	do
		arg1=$tmp
		tmp="${arg1#[a-z]*}"
	done
	tmp="${arg1%*[a-z]}"
	while [ "$tmp" != "$arg1" ]
	do
		arg1=$tmp
		tmp="${arg1%*[a-z]}"
	done
	echo $arg1
}

for i
do

unit=`unt $1`
[ "$unit" ] || unit=0

case $i in

all)
	sh $this std fd
	sh $this sd0 sd1 sd2 sd3 st0 st1 cd0 cd1
	sh $this ofdisk0 ofdisk1 ofdisk2 ofdisk3 ofdisk4 
	sh $this ofdisk5 ofdisk6 ofdisk7 ofdisk8 ofdisk9 
	sh $this vnd0 vnd1 vnd2 vnd3
	sh $this ccd0 ccd1 ccd2 ccd3
	sh $this rd0 ipl
	sh $this ttyo0 ttyE0
	sh $this tty00 tty01 tty02 tty03 pty0
	sh $this bpf0 bpf1 bpf2 bpf3 bpf4 bpf5 bpf6 bpf7 bpf8 bpf9
	sh $this tun0 tun1 tun2 tun3
	sh $this random uk0 uk1 ss0 ss1
	sh $this kbd mouse
	sh $this lkm xfs0
	sh $this local
	;;

ramdisk)
	sh $this std
	sh $this sd0 sd1 sd2 sd3 sd4 st0 st1 cd0 cd1
	sh $this ofdisk0 ofdisk1 ofdisk2 ofdisk3 ofdisk4 
	sh $this rd0
	sh $this ttyo0 ttyE0
	sh $this random
	sh $this tty00 tty01 pty0
	;;

std)
	rm -f console drum kmem mem reload zero null tty
	rm -f klog stdin stdout stderr # ksyms
	mknod console		c 0 0
	mknod drum		c 3 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 reload		c 2 20	; chmod 640 reload ; chgrp kmem reload
	mknod zero		c 2 12	; chmod 666 zero
	mknod null		c 2 2	; chmod 666 null
	mknod tty		c 1 0	; chmod 666 tty
	mknod klog		c 6 0	; chmod 600 klog
	mknod stdin		c 21 0	; chmod 666 stdin
	mknod stdout		c 21 1	; chmod 666 stdout
	mknod stderr		c 21 2	; chmod 666 stderr
#	mknod ksyms		c 43 0  ; chmod 640 ksyms ; chown root.kmem ksyms
	;;

fd)
	rm -f fd/*
	mkdir fd > /dev/null 2>&1
	n=0
	(cd fd && while [ $n -lt 64 ]; do mknod $n c 21 $n; n="$(( $n + 1 ))"; done)
	chown -R root.wheel fd
	chmod 555 fd
	chmod 666 fd/*
	;;

sd*|ccd*|ofdisk*)
	umask 2 ; unit=${i##*[a-z]}
	case $i in
	sd*) name=sd; blk=2; chr=8;;
	ofdisk*) name=ofdisk; blk=4; chr=13;;
	ccd*) name=ccd; blk=16; chr=18;;
	esac
	rm -f $name$unit? r$name$unit?
	case $unit in
	0|1|2|3|4|5|6|7|8|9)
		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}[a-p] r${name}${unit}[a-p]
		chmod 640 ${name}${unit}[a-p] r${name}${unit}[a-p]
		;;
	*)
		echo bad unit for disk in: $i
		;;
	esac
	umask 77
	;;

vnd*)
	umask 2 ; unit=${i##*[a-z]}
	for name in vnd svnd; do
		blk=14; chr=19;
		case $name in
		vnd)	off=0;;
		svnd)	off=128;;
		esac
		rm -f $name$unit? r$name$unit?
		mknod ${name}${unit}a	b $blk $(( $unit * 16 + $off + 0 ))
		mknod ${name}${unit}b	b $blk $(( $unit * 16 + $off + 1 ))
		mknod ${name}${unit}c	b $blk $(( $unit * 16 + $off + 2 ))
		mknod ${name}${unit}d	b $blk $(( $unit * 16 + $off + 3 ))
		mknod ${name}${unit}e	b $blk $(( $unit * 16 + $off + 4 ))
		mknod ${name}${unit}f	b $blk $(( $unit * 16 + $off + 5 ))
		mknod ${name}${unit}g	b $blk $(( $unit * 16 + $off + 6 ))
		mknod ${name}${unit}h	b $blk $(( $unit * 16 + $off + 7 ))
		mknod ${name}${unit}i	b $blk $(( $unit * 16 + $off + 8 ))
		mknod ${name}${unit}j	b $blk $(( $unit * 16 + $off + 9 ))
		mknod ${name}${unit}k	b $blk $(( $unit * 16 + $off + 10 ))
		mknod ${name}${unit}l	b $blk $(( $unit * 16 + $off + 11 ))
		mknod ${name}${unit}m	b $blk $(( $unit * 16 + $off + 12 ))
		mknod ${name}${unit}n	b $blk $(( $unit * 16 + $off + 13 ))
		mknod ${name}${unit}o	b $blk $(( $unit * 16 + $off + 14 ))
		mknod ${name}${unit}p	b $blk $(( $unit * 16 + $off + 15 ))
		mknod r${name}${unit}a	c $chr $(( $unit * 16 + $off + 0 ))
		mknod r${name}${unit}b	c $chr $(( $unit * 16 + $off + 1 ))
		mknod r${name}${unit}c	c $chr $(( $unit * 16 + $off + 2 ))
		mknod r${name}${unit}d	c $chr $(( $unit * 16 + $off + 3 ))
		mknod r${name}${unit}e	c $chr $(( $unit * 16 + $off + 4 ))
		mknod r${name}${unit}f	c $chr $(( $unit * 16 + $off + 5 ))
		mknod r${name}${unit}g	c $chr $(( $unit * 16 + $off + 6 ))
		mknod r${name}${unit}h	c $chr $(( $unit * 16 + $off + 7 ))
		mknod r${name}${unit}i	c $chr $(( $unit * 16 + $off + 8 ))
		mknod r${name}${unit}j	c $chr $(( $unit * 16 + $off + 9 ))
		mknod r${name}${unit}k	c $chr $(( $unit * 16 + $off + 10 ))
		mknod r${name}${unit}l	c $chr $(( $unit * 16 + $off + 11 ))
		mknod r${name}${unit}m	c $chr $(( $unit * 16 + $off + 12 ))
		mknod r${name}${unit}n	c $chr $(( $unit * 16 + $off + 13 ))
		mknod r${name}${unit}o	c $chr $(( $unit * 16 + $off + 14 ))
		mknod r${name}${unit}p	c $chr $(( $unit * 16 + $off + 15 ))
		chown root.operator ${name}${unit}[a-p] r${name}${unit}[a-p]
		chmod 640 ${name}${unit}[a-p] r${name}${unit}[a-p]
	done
	umask 77
	;;

ttyo*)
	unit=${i##*[a-z]}
	rm -f ser${unit} tty${unit} ttyo${unit}
	case ${unit} in
	0|1)
		mknod ttyo${unit} c 14 ${unit}
		chown uucp.wheel ttyo${unit}
		;;
	*)
		echo bad unit for serial tty in: $i
		;;
	esac
	;;
tty0*)
	unit=${i##tty0}
	rm -f tty0$unit cua0$unit
	mknod tty0$unit c 7 $unit
	mknod cua0$unit c 7 `expr $unit + 128`
	chown uucp.wheel tty0$unit cua0$unit
	;;

pty*)
	class=${i##*[a-z]}
	case $class in
	0) offset=0 name=p;;
	1) offset=16 name=q;;
	2) offset=32 name=r;;
	3) offset=48 name=s;;
# Note that telnetd, rlogind, and xterm (at least) only look at p-s.
	4) offset=64 name=t;;
	*) echo bad unit for pty in: $i;;
	esac
	case $class in
	0|1|2|3|4)
		umask 0
		n=0
		while [ $n -lt 16 ]
		do
			nam=$name`hex $n`
			rm -f {tty,pty}$nam
			mknod tty$nam c 4 $(( $offset + $n ))
			mknod pty$nam c 5 $(( $offset + $n ))
			n="$(( $n + 1 ))"
		done
		umask 77
		;;
	esac
	;;

st*)
	umask 2 ; unit=${i##*[a-z]}
	case $i in
	st*) name=st;  chr=20; blk=5;;
	esac
	rm -f $name$unit n$name$unit e$name$unit en$name$unit \
		r$name$unit nr$name$unit er$name$unit enr$name$unit 
	case $unit in
	0|1|2|3|4|5|6)
		mknod ${name}${unit}	b $blk $(( $unit * 16 + 0 ))
		mknod n${name}${unit}	b $blk $(( $unit * 16 + 1 ))
		mknod e${name}${unit}	b $blk $(( $unit * 16 + 2 ))
		mknod en${name}${unit}	b $blk $(( $unit * 16 + 3 ))
		mknod r${name}${unit}	c $chr $(( $unit * 16 + 0 ))
		mknod nr${name}${unit}	c $chr $(( $unit * 16 + 1 ))
		mknod er${name}${unit}	c $chr $(( $unit * 16 + 2 ))
		mknod enr${name}${unit}	c $chr $(( $unit * 16 + 3 ))
		chgrp operator ${name}${unit} n${name}${unit} \
			e$name$unit en$name$unit \
			r${name}${unit} nr${name}${unit} \
			er${name}${unit} enr${name}${unit} 
		chmod 640 ${name}${unit} n${name}${unit} \
			e$name$unit en$name$unit \
			r${name}${unit} nr${name}${unit} \
			er${name}${unit} enr${name}${unit} 
		;;
	*)
		echo bad unit for tape in: $i
		;;
	esac
	umask 77
	;;

ch*)
	umask 2 ; unit=${i##*[a-z]}
	case $i in
	ch*) name=ch;  chr=10;;
	esac
	rm -f $name$unit
	case $unit in
	0|1|2|3|4|5|6)
		mknod ${name}${unit}	c $chr $unit
		chgrp operator ${name}${unit}
		chmod 640 ${name}${unit}
		;;
	*)
		echo bad unit for media changer in: $i
		;;
	esac
	umask 77
	;;

cd*)
	umask 2 ; unit=${i##*[a-z]}
	case $i in
	cd*) name=cd; blk=3; chr=9;;
	esac
	rm -f $name$unit? r$name$unit?
	case $unit in
	0|1|2|3|4|5|6)
		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}[a-h] r${name}${unit}[a-h]
		chmod 640 ${name}${unit}[a-h] r${name}${unit}[a-h]
		;;
	*)
		echo bad unit for disk in: $i
		;;
	esac
	umask 77
	;;

ttyE*)
		  type=E
		  unit=${i##ttyE}
	case $type in
	E)	major=25; minor=$unit ;;
	esac
        rm -f tty$type$unit
        mknod tty$type$unit c $major $minor
        chown root.wheel tty$type$unit
        ;;

bpf*)
	unit=${i##*[a-z]}
	rm -f bpf${unit}
	mknod bpf${unit} c 22 ${unit}
	chown root.wheel bpf${unit}
	;;

ipl)
	rm -f ipl ipnat ipstate ipauth
	mknod ipl c 39 0
	mknod ipnat c 39 1
	mknod ipstate c 39 2
	mknod ipauth c 39 3
	chown root.wheel ipl ipnat ipstate ipauth
	;;

tun*)
	unit=${i##*[a-z]}
	rm -f tun$unit
	mknod tun$unit c 23 $unit
	chmod 600 tun$unit
	chown root.wheel tun$unit
	;;

rd*)
	blk=17; chr=17;
	umask 2 ; unit=${i##*[a-z]}
	rm -f rd${unit}a rd${unit}c rrd${unit}a rrd${unit}c
	mknod rd${unit}a b ${blk} $(( $unit * 16 + 0 ))
	mknod rd${unit}c b ${blk} $(( $unit * 16 + 2 ))
	mknod rrd${unit}a c ${chr} $(( $unit * 16 + 0 ))
	mknod rrd${unit}c c ${chr} $(( $unit * 16 + 2 ))
	chown root.operator rd${unit}[ac] rrd${unit}[ac]
	chmod 640 rd${unit}[ac] rrd${unit}[ac]
	umask 77
	;;

lkm)
	rm -f lkm
	mknod lkm c 24 0
	chown root.kmem lkm
	chmod 640 lkm
	;;

kbd)
	rm -f kbd
	mknod kbd c 29 0
	chmod 666 kbd
	;;

mouse)
	rm -f mouse
	mknod mouse c 30 0
	chmod 666 mouse
	;;

random|srandom|urandom|prandom|arandom)
	rm -f random urandom srandom prandom arandom
	mknod  random c 40 0
	mknod srandom c 40 1
	mknod urandom c 40 2
	mknod prandom c 40 3
	mknod arandom c 40 4
	chown root.wheel random srandom urandom prandom arandom
	chmod 644 random srandom urandom prandom arandom
	;;
uk*)
	unit=${i##*[a-z]}
	rm -f uk$unit
	mknod uk$unit c 41 $unit
	chown root.operator uk$unit
	chmod 640 uk$unit
	;;

ss*)
	unit=${i##*[a-z]}
	rm -f ss$unit
	mknod ss$unit c 42 $unit
	chown root.operator ss$unit
	chmod 440 ss$unit
#	backwards compatibility with older PINTs
	rm -f scan$unit
	ln -s ss$unit scan$unit
	;;
xfs*)
	rm -f xfs$unit
	mknod xfs$unit c 51 $unit 
	chmod 600 xfs$unit 
	chown root.wheel xfs$unit
	;;

local)
	umask 0
	test -s MAKEDEV.local && sh $this.local
	;;

*)
	echo $i: unknown device
esac
done