#!/bin/sh -
#
#	$OpenBSD: MAKEDEV,v 1.35 2001/06/28 02:58:54 kjc 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
#	vnd*	"file" 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:
#	ch*	SCSI media changer
#	bpf*	Berkeley Packet Filter
#	tun*	network tunnel driver
#	lkm	loadable kernel modules interface
#	*random	inkernal random data source
#	uk*	SCSI Unknown device
#	ss*	SCSI scanners
#	altq	ALTQ control interface
#

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 $i`
[ "$unit" ] || unit=0

case $i in

all)
	sh $this std fd
	sh $this sd0 sd1 sd2 sd3 st0 st1 cd0 cd1
	sh $this vnd0 vnd1 vnd2 vnd3
	sh $this ccd0 ccd1 ccd2 ccd3
	sh $this adb asc0 grf0 grf1 grf2 grf3 ttye0
	sh $this tty00 tty01 pty0
	sh $this bpf0 bpf1 bpf2 bpf3 bpf4 bpf5 bpf6 bpf7 bpf8 bpf9
	sh $this pf tun0 tun1 tun2 tun3
	sh $this lkm
	sh $this random
	sh $this uk0 uk1
	sh $this ss0 xfs0 altq
	sh $this local
	;;

ramdisk)
	sh $this std
	sh $this sd0 sd1 sd2 sd3 st0 st1 cd0 cd1
	sh $this adb asc0 grf0 grf1 ttye0
	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 ; chown root.kmem drum
	mknod kmem		c 2 1	; chmod 640 kmem ; chown root.kmem kmem
	mknod mem		c 2 0	; chmod 640 mem ; chown root.kmem mem
	mknod reload		c 2 20	; chmod 640 reload ; chown root.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 37 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=`add $n 1`; done)
	chown -R root.wheel fd
	chmod 555 fd
	chmod 666 fd/*
	;;

sd*|ccd*)
	umask 2 ; unit=`expr $i : '.*[^0-9]\([0-9]*\)'`
	case $i in
	sd*) name=sd; blk=4; chr=13;;
	ccd*) name=ccd; blk=9; chr=20;;
	esac
	rm -f $name$unit? r$name$unit?
	case $unit in
	0|1|2|3|4|5|6)
		mknod ${name}${unit}a	b $blk `expr $unit '*' 8 + 0`
		mknod ${name}${unit}b	b $blk `expr $unit '*' 8 + 1`
		mknod ${name}${unit}c	b $blk `expr $unit '*' 8 + 2`
		mknod ${name}${unit}d	b $blk `expr $unit '*' 8 + 3`
		mknod ${name}${unit}e	b $blk `expr $unit '*' 8 + 4`
		mknod ${name}${unit}f	b $blk `expr $unit '*' 8 + 5`
		mknod ${name}${unit}g	b $blk `expr $unit '*' 8 + 6`
		mknod ${name}${unit}h	b $blk `expr $unit '*' 8 + 7`
		mknod r${name}${unit}a	c $chr `expr $unit '*' 8 + 0`
		mknod r${name}${unit}b	c $chr `expr $unit '*' 8 + 1`
		mknod r${name}${unit}c	c $chr `expr $unit '*' 8 + 2`
		mknod r${name}${unit}d	c $chr `expr $unit '*' 8 + 3`
		mknod r${name}${unit}e	c $chr `expr $unit '*' 8 + 4`
		mknod r${name}${unit}f	c $chr `expr $unit '*' 8 + 5`
		mknod r${name}${unit}g	c $chr `expr $unit '*' 8 + 6`
		mknod r${name}${unit}h	c $chr `expr $unit '*' 8 + 7`
		chown root.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
	;;

vnd*)
	umask 2 ; unit=`expr $i : 'vnd\(.*\)'`
	for name in vnd svnd; do
		blk=8; 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 `expr $unit '*' 8 + $off + 0`
		mknod ${name}${unit}b	b $blk `expr $unit '*' 8 + $off + 1`
		mknod ${name}${unit}c	b $blk `expr $unit '*' 8 + $off + 2`
		mknod ${name}${unit}d	b $blk `expr $unit '*' 8 + $off + 3`
		mknod ${name}${unit}e	b $blk `expr $unit '*' 8 + $off + 4`
		mknod ${name}${unit}f	b $blk `expr $unit '*' 8 + $off + 5`
		mknod ${name}${unit}g	b $blk `expr $unit '*' 8 + $off + 6`
		mknod ${name}${unit}h	b $blk `expr $unit '*' 8 + $off + 7`
		mknod r${name}${unit}a	c $chr `expr $unit '*' 8 + $off + 0`
		mknod r${name}${unit}b	c $chr `expr $unit '*' 8 + $off + 1`
		mknod r${name}${unit}c	c $chr `expr $unit '*' 8 + $off + 2`
		mknod r${name}${unit}d	c $chr `expr $unit '*' 8 + $off + 3`
		mknod r${name}${unit}e	c $chr `expr $unit '*' 8 + $off + 4`
		mknod r${name}${unit}f	c $chr `expr $unit '*' 8 + $off + 5`
		mknod r${name}${unit}g	c $chr `expr $unit '*' 8 + $off + 6`
		mknod r${name}${unit}h	c $chr `expr $unit '*' 8 + $off + 7`
		chown root.operator ${name}${unit}[a-h] r${name}${unit}[a-h]
		chmod 640 ${name}${unit}[a-h] r${name}${unit}[a-h]
	done
	umask 77
	;;

tty0*)
	unit=`expr $i : 'tty0\(.*\)'`
	rm -f ser${unit} tty${unit} tty0${unit}
	case ${unit} in
	0|1)
		mknod tty0${unit} c 12 ${unit}
		chown uucp.dialer tty0${unit}
		chmod 660 tty0${unit}
		;;
	*)
		echo bad unit for serial tty in: $i
		;;
	esac
	;;

ttye*)
	unit=`expr $i : 'ttye\(.*\)'`
	rm -f ttye${unit}
	rm -f ite*
	case $unit in
	0|1)
		mknod ttye${unit} c 11 ${unit}
		;;
	*)
		echo bad unit for ttye in: $i
		;;
	esac
	;;

pty*)
	class=`expr $i : 'pty\(.*\)'`
	case $class in
	0) offset=0 name=p;;
	1) offset=16 name=q;;
	2) offset=32 name=r;;
	3) offset=48 name=s;;
	4) offset=64 name=t;;
	5) offset=80 name=u;;
	6) offset=96 name=v;;
	7) offset=112 name=w;;
	8) offset=128 name=x;;
	9) offset=144 name=y;;
	10) offset=160 name=z;;
	11) offset=176 name=P;;
	12) offset=192 name=Q;;
	13) offset=208 name=R;;
	14) offset=224 name=S;;
	15) offset=240 name=T;;
	*) echo bad unit for pty in: $i;;
	esac
	case $class in
	0|1|2|3|4|5|6|7|8|9|10|11|12|13|14|15)
		umask 0
		n=0
		while [ $n -lt 16 ]
		do
			nam=$name`hex $n`
			rm -f {tty,pty}$nam
			mknod tty$nam c 4 `add $offset $n`
			mknod pty$nam c 5 `add $offset $n`
			n=`add $n 1`
		done
		umask 77
		;;
	esac
	;;

st*)
	umask 2 ; unit=`expr $i : '..\(.*\)'`
	case $i in
	st*) name=st;  chr=14; 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 `expr $unit '*' 16 + 0`
		mknod n${name}${unit}	b $blk `expr $unit '*' 16 + 1`
		mknod e${name}${unit}	b $blk `expr $unit '*' 16 + 2`
		mknod en${name}${unit}	b $blk `expr $unit '*' 16 + 3`
		mknod r${name}${unit}	c $chr `expr $unit '*' 16 + 0`
		mknod nr${name}${unit}	c $chr `expr $unit '*' 16 + 1`
		mknod er${name}${unit}	c $chr `expr $unit '*' 16 + 2`
		mknod enr${name}${unit}	c $chr `expr $unit '*' 16 + 3`
		chown root.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 660 ${name}${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=`expr $i : '..\(.*\)'`
	case $i in
	ch*) name=ch;  chr=17;;
	esac
	rm -f $name$unit
	case $unit in
	0|1|2|3|4|5|6)
		mknod ${name}${unit}	c $chr $unit
		chown root.operator ${name}${unit}
		chmod 660 ${name}${unit}
		;;
	*)
		echo bad unit for media changer in: $i
		;;
	esac
	umask 77
	;;

cd*)
	umask 2 ; unit=`expr $i : '..\(.*\)'`
	case $i in
	cd*) name=cd; blk=6; chr=15;;
	esac
	rm -f $name$unit? r$name$unit?
	case $unit in
	0|1|2|3|4|5|6)
		mknod ${name}${unit}a	b $blk `expr $unit '*' 8 + 0`
		mknod ${name}${unit}d	b $blk `expr $unit '*' 8 + 3`
		mknod r${name}${unit}a	c $chr `expr $unit '*' 8 + 0`
		mknod r${name}${unit}d	c $chr `expr $unit '*' 8 + 3`
		chown root.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
	;;

grf*)
	unit=`expr $i : 'grf\(.*\)'`
	rm -f grf${unit}
	case ${unit} in
      0|1|2|3)
		mknod grf${unit} c 10 ${unit} ; chmod 666 grf${unit}
		;;
	*)
		echo bad unit for grf in: $i
		;;
	esac
	;;

adb)
	rm -f adb
	mknod adb c 23 0 ; chmod 666 adb
	;;

asc*)
        unit=${i#asc}
        rm -f asc$unit
        mknod asc$unit c 36 $unit
        chmod 666 asc$unit
        ;;

bpf*)
	unit=`expr $i : 'bpf\(.*\)'`
	rm -f bpf${unit}
	mknod bpf${unit} c 22 ${unit}
	chown root.wheel bpf${unit}
	;;

pf)
	rm -f pf
	mknod pf c 35 0
	chown root.wheel pf
	chmod 600 pf
	;;

tun*)
	unit=`expr $i : 'tun\(.*\)'`
	rm -f tun$unit
	mknod tun$unit c 24 $unit
	chmod 600 tun$unit
	chown root.wheel tun$unit
	;;

lkm)
	rm -f lkm
	mknod lkm c 25 0
	chown root.kmem lkm
	chmod 640 lkm
	;;

random|srandom|urandom|prandom|arandom)
	rm -f random urandom srandom prandom arandom
	mknod  random c 32 0
	mknod srandom c 32 1
	mknod urandom c 32 2
	mknod prandom c 32 3
	mknod arandom c 32 4
	chown root.wheel random srandom urandom prandom arandom
	chmod 644 random srandom urandom prandom arandom
	;;

uk*)
	unit=`expr $i : 'uk\(.*\)'`
	rm -f uk$unit
	mknod uk$unit c 34 $unit
	chown root.operator uk$unit
	chmod 640 uk$unit
	;;

ss*)
	unit=`expr $i : 'ss\(.*\)'`
	rm -f ss$unit
	mknod ss$unit c 33 $unit
	chown root.operator ss$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
	;;

altq)
	mkdir -p altq
	chmod 755 altq
	unit=0
	for dev in altq cbq wfq afm fifoq red rio localq hfsc \
	    cdnr blue priq; do
		rm -f altq/$dev
		mknod altq/$dev c 52 $unit
		chmod 644 altq/$dev
		unit=$(($unit + 1))
	done
	;;

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

*)
	echo $i: unknown device
esac
done