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ch* creation on platforms which had them in conf.c but missed them in MAKEDEV

#!/bin/sh -
#	$OpenBSD: MAKEDEV,v 1.34 2000/03/22 08:08:52 niklas Exp $
#	@(#)MAKEDEV	8.1 (Berkeley) 6/9/93
#

# Device "make" file.  Valid arguments:
#	all	makes all known devices, including local devices.
#		Tries to make the ``standard'' number of each type.
#	ramdisk	makes all devices for a ramdisk kernel
#	std	standard devices
#	local	configuration specific devices
#
# Tapes:
#	st*	SCSI tapes
#
# Disks:
#	fd*	Floppy disk drives (3 1/2", 5 1/4")
#	sd*	SCSI disks
#	wd*	ISA "winchester" disk drives (ST506,IDE,ESDI,RLL,...)
#	cd*	SCSI cdrom drives
#	vnd*	"file" pseudo-disks
#	rd*	"ramdisk" pseudo-disks
#	ccd*	concatenated disk devices
#
# Console ports:
#	ttyC0	pccons
#
# Pointing devices:
#	pms*	PS/2 compatible mouse
#
# Terminal ports:
#	tty*	tty ports
#
# Pseudo terminals:
#	pty*	set of 16 master and slave pseudo terminals
#
# Printers:
#	lpt*	stock lp
#
# Call units:
#
# Special purpose devices:
#	ch*	SCSI media changer
#	bpf*	Berkeley Packet Filter
#	lkm	loadable kernel modules interface
#	tun*	network tunnel driver
#	joy*	joystick driver
#	*random	inkernal random data source
#
# Platform-specific devices:
#

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 fd0 wd0 wd1 wd2 wd3 sd0 sd1 sd2 st0 cd0 ss0
	sh $this ccd0 ccd1 ccd2 xfs0
	sh $this vnd0 vnd1 vnd2 vnd3 tty00 tty01 tty02 tty03 pty0 pty1
	sh $this bpf0 bpf1 bpf2 bpf3 bpf4 bpf5 bpf6 bpf7 bpf8 bpf9
	sh $this ipl tun0 tun1 tun2
	sh $this ttyC0 lpt0 pms0 random uk0 uk1 local joy0 joy1
	;;

joy*)
	unit=`expr $i : 'joy\(.*\)'`
	rm -f joy$unit
	mknod joy$unit c 26 $unit
	chown root.wheel joy$unit
	chmod 666 joy$unit
	;;

ramdisk)
	sh $this std fd0 wd0 wd1 wd2 wd3 sd0 sd1 sd2 st0 cd0 
	sh $this tty00 tty01 ttyC0 lpt0 random rd0
	;;

std)
	mknod console		c 0 0
	mknod drum		c 1 0	; chmod 640 drum ; chown root.kmem drum
	mknod kmem		c 3 1	; chmod 640 kmem ; chown root.kmem kmem
	mknod mem		c 3 0	; chmod 640 mem ; chown root.kmem mem
	mknod null		c 3 2	; chmod 666 null
	mknod zero		c 3 12  ; chmod 666 zero
	mknod tty		c 2 0	; chmod 666 tty
	mknod klog		c 6 0	; chmod 600 klog
	mknod stdin		c 7 0	; chmod 666 stdin
	mknod stdout		c 7 1	; chmod 666 stdout
	mknod stderr		c 7 2	; chmod 666 stderr
	mknod ksyms		c 35 0  ; chmod 640 ksyms ; chown root.kmem ksyms
	;;

ttyC*)
	unit=`expr $i : 'ttyC\(.*\)'`
	rm -f ttyC$unit
	mknod ttyC$unit c 14 $unit
	chown root.wheel ttyC$unit
	case $unit in
	0)
		rm -f pccons
		ln -s ttyC0 pccons
		;;
	esac
	;;

pms*)
	unit=`expr $i : '.ms\(.*\)'`
	unit=`expr $unit \* 2 + 1`
	case $i in
	pms*) name=pms; chr=15;;
	esac
	rm -f $name$unit
	mknod $name$unit c $chr $unit
	chown root.wheel $name$unit
	;;

fd)
	rm -rf fd/*
	mkdir fd > /dev/null 2>&1
	n=0
	(cd fd && while [ $n -lt 64 ]; do mknod $n c 7 $n; n="$(( $n + 1 ))"; done)
	chown -R root.wheel fd
	chmod 555 fd
	chmod 666 fd/*
	;;

st*)
	umask 2 ; unit=`expr $i : '..\(.*\)'`
	case $i in
	st*) name=st; chr=10;;
	esac
	case $unit in
	0|1|2|3|4|5|6)
		unit0=`expr $unit \* 16`
		unit1=`expr $unit \* 16 + 1`
		unit2=`expr $unit \* 16 + 4`
		unit3=`expr $unit \* 16 + 5`
		mknod r${name}${unit} c $chr $unit0
		mknod nr${name}${unit} c $chr $unit1
		mknod r${name}h${unit} c $chr $unit2
		mknod nr${name}h${unit} c $chr $unit3
		chown root.operator r${name}${unit} nr${name}${unit} \
			r${name}h${unit} nr${name}h${unit}
		chmod 660 r${name}${unit} nr${name}${unit} \
			r${name}h${unit} nr${name}h${unit}
		;;
	*)
		echo bad unit for tape in: $1
		;;
	esac
	umask 77
	;;

ch*)
	umask 2
	name=ch; chr=36
	rm -f $name$unit
	mknod ${name}${unit}	c $chr $unit
	chown root.operator ${name}${unit}
	chmod 660 ${name}${unit}
	umask 77
	;;

bpf*|tun*)
	unit=`expr $i : '...\(.*\)'`
	case $i in
	bpf*) name=bpf; chr=12;;
	tun*) name=tun; chr=40;;
	esac
	rm -f $name$unit
	mknod $name$unit c $chr $unit
	chown root.wheel $name$unit
	;;

ipl)
	rm -f ipl ipnat ipstate ipauth
	mknod ipl c 31 0
	mknod ipnat c 31 1
	mknod ipstate c 31 2
	mknod ipauth c 31 3
	chown root.wheel ipl ipnat ipstate ipauth
	;;

rd*)
	umask 2 ; unit=`expr $i : '.*d\(.*\)'`
	mknod rd${unit}a b 8 `expr $unit '*' 16 + 0`
	mknod rd${unit}c b 8 `expr $unit '*' 16 + 2`
	mknod rrd${unit}a c 22 `expr $unit '*' 16 + 0`
	mknod rrd${unit}c c 22 `expr $unit '*' 16 + 2`
	chown root.operator rd${unit}[ac] rrd${unit}[ac]
	chmod 640 rd${unit}[ac] rrd${unit}[ac]
	umask 77
	;;

#lkm)
#	rm -f lkm
#	mknod lkm c 112 0
#	chown root.kmem lkm
#	chmod 640 lkm
#	;;

ccd*|fd*|sd*|wd*)
	umask 2 ; unit=`expr $i : '.*d\(.*\)'`
	case $i in
	ccd*) name=ccd; blk=6; chr=23;;
	sd*) name=sd; blk=0; chr=9;;
	fd*) name=fd; blk=7; chr=13;;
	wd*) name=wd; blk=4; chr=18;;
	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 $unit '*' 16 + 0`
	    mknod r${name}${unit}a	c $chr `expr $unit '*' 16 + 0`
	    mknod ${name}${unit}c	b $blk `expr $unit '*' 16 + 2`
	    mknod r${name}${unit}c	c $chr `expr $unit '*' 16 + 2`
		mknod ${name}${unit}b	b $blk `expr $unit '*' 16 + 1`
		mknod ${name}${unit}d	b $blk `expr $unit '*' 16 + 3`
		mknod ${name}${unit}e	b $blk `expr $unit '*' 16 + 4`
		mknod ${name}${unit}f	b $blk `expr $unit '*' 16 + 5`
		mknod ${name}${unit}g	b $blk `expr $unit '*' 16 + 6`
		mknod ${name}${unit}h	b $blk `expr $unit '*' 16 + 7`
		mknod ${name}${unit}i	b $blk `expr $unit '*' 16 + 8`
		mknod ${name}${unit}j	b $blk `expr $unit '*' 16 + 9`
		mknod ${name}${unit}k	b $blk `expr $unit '*' 16 + 10`
		mknod ${name}${unit}l	b $blk `expr $unit '*' 16 + 11`
		mknod ${name}${unit}m	b $blk `expr $unit '*' 16 + 12`
		mknod ${name}${unit}n	b $blk `expr $unit '*' 16 + 13`
		mknod ${name}${unit}o	b $blk `expr $unit '*' 16 + 14`
		mknod ${name}${unit}p	b $blk `expr $unit '*' 16 + 15`
		mknod r${name}${unit}b	c $chr `expr $unit '*' 16 + 1`
		mknod r${name}${unit}d	c $chr `expr $unit '*' 16 + 3`
		mknod r${name}${unit}e	c $chr `expr $unit '*' 16 + 4`
		mknod r${name}${unit}f	c $chr `expr $unit '*' 16 + 5`
		mknod r${name}${unit}g	c $chr `expr $unit '*' 16 + 6`
		mknod r${name}${unit}h	c $chr `expr $unit '*' 16 + 7`
		mknod r${name}${unit}i	c $chr `expr $unit '*' 16 + 8`
		mknod r${name}${unit}j	c $chr `expr $unit '*' 16 + 9`
		mknod r${name}${unit}k	c $chr `expr $unit '*' 16 + 10`
		mknod r${name}${unit}l	c $chr `expr $unit '*' 16 + 11`
		mknod r${name}${unit}m	c $chr `expr $unit '*' 16 + 12`
		mknod r${name}${unit}n	c $chr `expr $unit '*' 16 + 13`
		mknod r${name}${unit}o	c $chr `expr $unit '*' 16 + 14`
		mknod r${name}${unit}p	c $chr `expr $unit '*' 16 + 15`
	    chown root.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=`expr $i : 'vnd\(.*\)'`
	for name in vnd svnd; do
		blk=2; chr=11;
		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 '*' 16 + $off + 0`
		mknod ${name}${unit}b	b $blk `expr $unit '*' 16 + $off + 1`
		mknod ${name}${unit}c	b $blk `expr $unit '*' 16 + $off + 2`
		mknod ${name}${unit}d	b $blk `expr $unit '*' 16 + $off + 3`
		mknod ${name}${unit}e	b $blk `expr $unit '*' 16 + $off + 4`
		mknod ${name}${unit}f	b $blk `expr $unit '*' 16 + $off + 5`
		mknod ${name}${unit}g	b $blk `expr $unit '*' 16 + $off + 6`
		mknod ${name}${unit}h	b $blk `expr $unit '*' 16 + $off + 7`
		mknod ${name}${unit}i	b $blk `expr $unit '*' 16 + $off + 8`
		mknod ${name}${unit}j	b $blk `expr $unit '*' 16 + $off + 9`
		mknod ${name}${unit}k	b $blk `expr $unit '*' 16 + $off + 10`
		mknod ${name}${unit}l	b $blk `expr $unit '*' 16 + $off + 11`
		mknod ${name}${unit}m	b $blk `expr $unit '*' 16 + $off + 12`
		mknod ${name}${unit}n	b $blk `expr $unit '*' 16 + $off + 13`
		mknod ${name}${unit}o	b $blk `expr $unit '*' 16 + $off + 14`
		mknod ${name}${unit}p	b $blk `expr $unit '*' 16 + $off + 15`
		mknod r${name}${unit}a	c $chr `expr $unit '*' 16 + $off + 0`
		mknod r${name}${unit}b	c $chr `expr $unit '*' 16 + $off + 1`
		mknod r${name}${unit}c	c $chr `expr $unit '*' 16 + $off + 2`
		mknod r${name}${unit}d	c $chr `expr $unit '*' 16 + $off + 3`
		mknod r${name}${unit}e	c $chr `expr $unit '*' 16 + $off + 4`
		mknod r${name}${unit}f	c $chr `expr $unit '*' 16 + $off + 5`
		mknod r${name}${unit}g	c $chr `expr $unit '*' 16 + $off + 6`
		mknod r${name}${unit}h	c $chr `expr $unit '*' 16 + $off + 7`
		mknod r${name}${unit}i	c $chr `expr $unit '*' 16 + $off + 8`
		mknod r${name}${unit}j	c $chr `expr $unit '*' 16 + $off + 9`
		mknod r${name}${unit}k	c $chr `expr $unit '*' 16 + $off + 10`
		mknod r${name}${unit}l	c $chr `expr $unit '*' 16 + $off + 11`
		mknod r${name}${unit}m	c $chr `expr $unit '*' 16 + $off + 12`
		mknod r${name}${unit}n	c $chr `expr $unit '*' 16 + $off + 13`
		mknod r${name}${unit}o	c $chr `expr $unit '*' 16 + $off + 14`
		mknod r${name}${unit}p	c $chr `expr $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
	;;

cd*)
	umask 2 ; unit=`expr $i : '.*cd\(.*\)'`
	case $i in
	cd*) name=cd; blk=3; chr=8;;
	esac
	rm -f $name$unit? r$name$unit?
	mknod ${name}${unit}a   b $blk `expr $unit '*' 16 + 0`
	mknod ${name}${unit}c   b $blk `expr $unit '*' 16 + 2`
	mknod r${name}${unit}a  c $chr `expr $unit '*' 16 + 0`
	mknod r${name}${unit}c  c $chr `expr $unit '*' 16 + 2`
	chown root.operator ${name}${unit}[a-p] r${name}${unit}[a-p]
	chmod 640 ${name}${unit}[a-p] r${name}${unit}[a-p]
	umask 77
	;;

uk*)
	unit=`expr $i : 'uk\(.*\)'`
	rm -f uk$unit
	mknod uk$unit c 32 $unit
	chown root.operator uk$unit
	chmod 640 uk$unit
	;;

ss*)
	unit=`expr $i : 'ss\(.*\)'`
	rm -f ss$unit
	mknod ss$unit c 34 $unit
	chown root.operator ss$unit
	chmod 440 ss$unit
#	backwards compatibility with older PINTs
	rm -f scan$unit
	ln -s ss$unit scan$unit
	;;

lpt*)
	unit=`expr $i : 'lpt\(.*\)'`
	rm -f lpt$unit
	mknod lpt$unit c 16 $unit
	chown root.wheel lpt$unit
	;;

tty*)
	unit=`expr $i : '...\(.*\)'`
	rm -f tty$unit cua$unit
	mknod tty$unit c 17 $unit
	mknod cua$unit c 17 `expr $unit + 128`
	chown uucp.dialer tty$unit cua$unit
	chmod 660 tty$unit cua$unit
	;;

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$nam c 4 "$(( $offset + $n ))"
			mknod pty$nam c 5 "$(( $offset + $n ))"
			n="$(( $n + 1 ))"
		done
		umask 77
		;;
	esac
	;;

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
	;;
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