freebsd-dev/etc/MAKEDEV

#!/bin/sh -
#
# 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
# $FreeBSD$
#
# Device "make" file.  Valid arguments:
#	all	makes all known devices, standard number of units (or close)
#	std	standard devices
#	jail	suitable for a jail(8)
#	local	configuration specific devices
#	mach-4	mach4&lites+devices for Mach's XFree86 distribution
#	(see http://www.cs.hut.fi/lites.html for more info on LITES)
#
# Tapes:
#	wt*	QIC-interfaced (e.g. not SCSI) 3M cartridge tape
#	sa*	SCSI Sequential Access Devices
#
# Disks:
#	aac*	Adaptec FSA RAID controllers
#	aacd*	Adaptec FSA RAID
#	acd*	ATAPI CD-ROM disks
#	amrd*	AMI MegaRAID
#	cd*	SCSI CD-ROM disks
#	da*	SCSI Direct Access Devices
#	fd*	floppy disk drives (3 1/2", 5 1/4")
#	fla*	M-Systems DiskOnChip
#	idad*	Compaq Smart-2 RAID arrays
#	mcd*	Mitsumi CD-ROM disks
#	md*	Memory (or malloc) disk
#	mlx*	Mylex DAC960 RAID controllers
#	mlxd*	Mylex DAC960 RAID disk volumes
#	mly*	Mylex RAID controllers (newer models)
#	scd*	Sony CD-ROM disks
#	wd*	"Winchester" disk drives (ST506,IDE,ESDI,RLL,...)
#	wfd*	IDE floppy disk drives (LS-120)
#
# Console ports:
#	vty*	virtual console devices for syscons/pcvt/codrv
#
# Pointing devices:
#	mse*	Logitech and ATI Inport bus mouse
#	psm*	PS/2 mouse
#	jogdial	Sony VAIO jog dial
#	sysmouse Mousesystems mouse emulator for syscons
#
# Time devices:
#	refclock-*  serial ports used by xntpd parse refclocks
#
# Terminal ports:
#	tty*	general purpose serial ports
#	cua*	dialout serial ports
#	ttyA*	Specialix SI/XIO dialin ports ('*' = number of devices)
#	cuaA*	Specialix SI/XIO dialout ports
#	ttyDXX	Digiboard Xi - 16 dialin ports (dgb)
#	cuaDXX	Digiboard Xi - 16 dialout ports (dgb)
#	ttyDX.X	Digiboards (work in progress) - 16 dialin ports (digi)
#	cuaDX.X	Digiboards (work in progress) - 16 dialout ports (digi)
#	ttyM*	Digiboard Xem - 16 dialin ports (dgm)
#	cuaM*	Digiboard Xem - 16 dialout ports (dgm)
#	ttyR*	Rocketport dialin ports
#	cuaR*	Rocketport dialout ports
#
# Pseudo terminals:
#	pty*	set of 32 master and slave pseudo terminals
#	vty*	virtual terminals using syscons/pcvt/codrv console
#
# Parallel port:
#	lpt*	Printer
#	ppi*	Parallel port i/o
#	pps*	Pulse per second timing interface
#	pcfclock*  Parallel time sync interface
#
# I2C and SMBus:
#	iic*	I2C devices
#	smb*	SMBUS devices
#
# USB devices:
#	usb*	USB bus control device
#	ugen*	generic USB device
#	uhid*	Human Interface Device (HID)
#	ulpt*	printer
#	umodem*	modems
#	ums*	mouse
#	urio*	Diamond Rio 500
#	uscanner* USB scanners
#	ucom*	USB serial devices
#
# SCSI devices (other than CD-ROM, tape and disk):
#	ch*	SCSI Media-Changer (juke box) driver
#	pt*	Processor Type (HP scanner, as one example)
#	pass*	CAM Passthrough device
#	ses*	SES (SCSI Environmental Services) and
#		SAF-TE (Scsi Accessable Fault-Tolerant Enclosures) device
#
# PC-CARD (previously called PCMCIA) support
#	card*	PC-CARD slots
#
# ISDN devices:
#	i4b	isdnd call control device
#	i4bctl	debugging control device
#	i4btrc*	trace data interface(s), one per passive card
#	i4btel*	telephony interface(s)
#	i4bteld* telephony dialout interface(s)
#	i4brbch* raw b channel access device(s)
#
# Special purpose devices:
#	acpi	Advanced Configuration and Power Interface
#	apm	Advanced Power Management BIOS
#	apmctl	APM BIOS control device
#	bpf*	packet filter
#	crypto	crypto interface
#	speaker	pc speaker
#	tw*	xten power controller
#	snd*	various sound cards
#	pcaudio	PCM audio driver
#	socksys	iBCS2 socket system driver
#	vat	VAT compatibility audio driver (requires snd*)
#	gsc	Genius GS-4500 hand scanner
#	joy	pc joystick
#	tun*	Tunneling IP device
#	tap*	Ethernet Tunneling device
#	snp*	tty snoop devices
#	spigot	Video Spigot video acquisition card
#	ctx*	Cortex-I video acquisition card
#	meteor*	Matrox Meteor video acquisition card (pci)
#	bktr*	Bt848 based video acquisition card (pci)
#	labpc*	National Instrument's Lab-PC and LAB-PC+
#	perfmon	CPU performance-monitoring counters
#	pci	PCI configuration-space access from user mode
#	ipl	ipfilter control devices (ipl, ipnat, ipstate, ipauth)
#	kbd	keyboard devices
#	3dfx*	3dfx voodoo device for glide (tdfx) (/dev/3dfx,3dfxN,voodoo)
#	agpgart	AGP interface
#	cfs*	Coda Distributed Filesystem
#	nsmb*	SMB/CIFS protocol interface
#	elan-mmcr	AMD Elan support (e.g. mmap MMCR)
#

if [ -n "$MAKEDEVPATH" ]; then
	PATH="$MAKEDEVPATH"
else
	PATH=/sbin:/bin
fi
umask 77

# Usage: die exitcode msg
die() {
	echo $2
	exit $1
}

# Convert integer to partition name
dkitop() {
	local p

	case $1 in
	0) p=a;; 1) p=b;; 2) p=c;; 3) p=d;; 4) p=e;; 5) p=f;; 6) p=g;; 7) p=h;;
	*) p="?";;
	esac
	echo $p
}

# Convert integer to slice name
dkitos() {
	local s

	case $1 in
	0) s="";;
	1) s="";;
	*) s=s$(($1-1));;
	esac
	echo $s
}

# Convert disk (type, unit, slice, partition) to minor number
dkminor()
{
	echo $(($1 << 25 | ($2 / 32) << 21 | ($2 % 32) << 3 | $3 << 16 | $4))
}

# Print the hexadecimal representation of a decimal value from 0 to 15.
hexdigit() {
	local d

	if [ $1 -lt 10 ]; then
		d=$1
	else
		case $1 in
		10) d=a;; 11) d=b;; 12) d=c;; 13) d=d;; 14) d=e;; 15) d=f;;
		*) d="?";;
		esac
	fi
	echo $d
}

# Print the hexadecimal representation of an arbitrary decimal value.
hexprint() {
	local dig
	local str
	local val

	val=$1
	str=''
	dig=`hexdigit $(($val & 15))`
	str=$dig$str
	val=$(($val >> 4))
	while [ $val -gt 0 ]; do
		dig=`hexdigit $(($val & 15))`
		str=$dig$str
		val=$(($val >> 4))
	done
	echo $str
}

# Override mknod(2) to add extra handling to it.
mknod=/sbin/mknod
for i in `IFS=':'; echo $PATH`; do
	if [ -x "${i}/mknod" ]; then
		mknod="${i}/mknod"
		break
	fi
done
mknod() {
	rm -f "$1" || exit 1
	case $# in
	4) "$mknod" "$@" root:wheel || die 2 "$mknod $@ failed";;
	5) "$mknod" "$@"            || die 2 "$mknod $@ failed";;
	*) die 2 "bad node: mknod $@";;
	esac
}

# Convert tape (ctrl, unit, mode, access) to minor number
saminor()
{
	echo $(($1 << 29 | ($2 / 16) << 16 | ($2 % 16) << 4 | $3 << 2 | $4))
}

# Convert the last character of a tty name to a minor number.
ttyminor()
{
	case $1 in
	[0-9]) m=$1;;
	a) m=10;; b) m=11;; c) m=12;; d) m=13;; e) m=14;; f) m=15;; g) m=16;;
	h) m=17;; i) m=18;; j) m=19;; k) m=20;; l) m=21;; m) m=22;; n) m=23;;
	o) m=24;; p) m=25;; q) m=26;; r) m=27;; s) m=28;; t) m=29;; u) m=30;;
	v) m=31;;
	*) m="?";;
	esac
	echo $m
}

# Convert a unit number to a minor number.
unit2minor()
{
	echo $(((($1 >> 8) << 16) | ($1 % 256)))
}

# Zero-pad a value to the appropriate minimum length.
zeropad() {
	local min
	local val

	min=$1
	val=$2
	while [ ${#val} -lt $min ]; do
		val=0$val
	done
	echo $val
}

# Raw partition for disks
dkrawpart=2

# Compatibility slice for disks
dkcompatslice=0

# Raw slice for disks
dkrawslice=1

# Standard umasks
disk_umask=037			# allow group operator to read disks
tape_umask=017			# allow group operator to read/write tapes

for i in $*; do
case $i in

all)
	sh $0 std					# standard
	sh $0 fd0 fd1					# floppy disk
	sh $0 da0 da1 da2 da3 				# SCSI disk
	sh $0 ata					# ATA control
	sh $0 ad0 ad1 ad2 ad3 				# ATA disk
	sh $0 ar0 ar1					# ATA RAID disk
	sh $0 acd0 acd0t0 afd0 ast0			# ATAPI devices
	sh $0 wd0 wd1 wd2 wd3				# OLD disk
	sh $0 wcd0 wfd0 wst0				# OLD ATAPI devs
	sh $0 cd0 mcd0 scd0				# cdrom
	sh $0 sa0 wt0					# tape
	sh $0 vty12					# virtual tty
	sh $0 cuaa0 cuaa1 cuaa2 cuaa3			# serial tty
	sh $0 pty0					# pseudo tty
	sh $0 ttyd0 ttyd1 ttyd2 ttyd3			# serial tty
	sh $0 kbd0 kbd1					# keyboard
	sh $0 mse0 psm0 jogdial sysmouse		# mouse
	sh $0 pcaudio speaker				# noise
	sh $0 lpt0 lpt1 lpt2				# printer
	sh $0 ppi0 ppi1 ppi2				# parallel port
	sh $0 iic0 iic1					# I2C device
	sh $0 smb0 smb1					# SMBus device
	sh $0 usb usb0 uhid0 ums0 ulpt0 ugen0		# USB devices
	sh $0 urio0 uscanner0 umodem0			# USB devices too
	sh $0 bpf0 bpf1 bpf2 bpf3 			# network
	sh $0 ipl tun0 tun1 tun2 tun3			# network
	sh $0 tap0 tap1 tap2 tap3			# network
	sh $0 ch0 perfmon tw0				# miscellaneous
	sh $0 acpi					# ACPI
	sh $0 apm apmctl card0 card1 card2 card3	# laptop
	sh $0 pass4 xpt2				# CAM
	sh $0 i4b i4bctl i4btrc0 i4btrc1		# ISDN
	sh $0 i4btel0 i4btel1 i4bteld0 i4bteld1		# ISDN
	sh $0 i4brbch0 i4brbch1				# ISDN
	sh $0 agpgart					# AGP
 	sh $0 nsmb0					# SMB/CIFS
	sh $0 ti0 ti1					# ti(4)
	sh $0 crypto					# crypto
	;;

# a much restricted set of the above, to save precious i-nodes on the
# fixit floppy
fixit)
	sh $0 std					# standard
	sh $0 fd0					# floppy disk
	sh $0 da0 					# SCSI disk
	sh $0 ad0		 			# ATA disk
	sh $0 acd0 afd0 ast0				# ATAPI devices
	sh $0 wd0					# OLD disk
	sh $0 wcd0 wfd0 wst0				# OLD ATAPI devs
	sh $0 cd0					# cdrom
	sh $0 sa0					# tape
	sh $0 vty2					# virtual tty
	sh $0 cuaa0					# serial tty
	sh $0 pty0					# pseudo tty
	sh $0 ttyd0					# serial tty
	sh $0 kbd0					# keyboard
	sh $0 mse0 psm0 jogdial sysmouse		# mouse
	sh $0 lpt0					# printer
	sh $0 ppi0					# parallel port
	sh $0 iic0					# I2C device
	sh $0 smb0					# SMBus device
	sh $0 ums0					# USB devices
	sh $0 tun0					# network
	sh $0 tap0					# network
	sh $0 ch0					# miscellaneous
	sh $0 acpi					# ACPI
	sh $0 apm apmctl card0				# laptop
	sh $0 pass1 xpt1				# CAM
	sh $0 i4b i4bctl i4btrc0 i4btrc1		# ISDN
	sh $0 i4btel0 i4bteld0		 		# ISDN
	sh $0 i4brbch0					# ISDN
	rm -f fd/[1-9]?
	;;

std)
	mknod console	c 0 0;			chmod 600 console
	mknod kmem	c 2 1 root:kmem;	chmod 640 kmem
	mknod mem	c 2 0 root:kmem;	chmod 640 mem
	mknod null	c 2 2;			chmod 666 null
	mknod random	c 2 3;			chmod 666 random
	ln -f random urandom
	mknod zero	c 2 12;			chmod 666 zero
	mknod io	c 2 14;			chmod 600 io
	mknod tty	c 1 0;			chmod 666 tty
	mknod klog	c 7 0;			chmod 600 klog
	mknod pci	c 78 0; 		chmod 644 pci
	mknod mdctl	c 95 0xffff00ff;	chmod 600 mdctl
	mkdir -p fd
	(cd fd && i=0 &&
		while [ $i -lt 64 ]; do
			mknod $i c 22 $i
			i=$(($i + 1))
		done
	)
	chmod 555 fd
	chmod 666 fd/*
	ln -sf fd/0 stdin
	ln -sf fd/1 stdout
	ln -sf fd/2 stderr
	;;

jail)
	sh $0 std pty0
	rm mem kmem pci io klog console		# for security
	ln -sf null mem			# for libkvm (ab)users
	ln -sf null kmem		# --//--
	ln -sf null console
	;;

mach-4)
	mknod iopl c 22 0
	mknod kbd c 23 0
	mknod mouse c 24 0
	mknod time c 25 0
	mknod timezone c 26 0
	;;

# Create device files for new Archive/Wangtek QIC-02 tape driver (vak)
wt*)
	umask $tape_umask
	u=`expr $i : '..\(.*\)'`
	if [ -z "${u}" ]; then u=0; fi
	# default density, 512b blocks
	mknod rwt${u}   c 10 $(( 0 + $u)) root:operator
	mknod nrwt${u}  c 10 $(( 4 + $u)) root:operator
	# default density, 1024b blocks
#	mknod rWt${u}   c 10 $((64 + $u)) root:operator
#	mknod nrWt${u}  c 10 $((68 + $u)) root:operator
	mknod rwt${u}b  c 10 $((16 + $u)) root:operator	# 60 megabytes
	mknod nrwt${u}b c 10 $((20 + $u)) root:operator
	mknod rwt${u}c  c 10 $((24 + $u)) root:operator	# 120 megabytes
	mknod nrwt${u}c c 10 $((28 + $u)) root:operator
	mknod rwt${u}d  c 10 $((32 + $u)) root:operator	# 150 megabytes
	mknod nrwt${u}d c 10 $((36 + $u)) root:operator
#	mknod rwt${u}e  c 10 $((40 + $u)) root:operator	# 300 megabytes?
#	mknod nrwt${u}e c 10 $((44 + $u)) root:operator
#	mknod rwt${u}f  c 10 $((48 + $u)) root:operator	# 600 megabytes?
#	mknod nrwt${u}f c 10 $((52 + $u)) root:operator
	umask 77
	;;

# Individual slices.
aacd*s*|ad*s*|ar*s*|afd*s*|amrd*s*|da*s*|fla*s*|idad*s*|md*s*|mlxd*s*|twed*s*|wd*s*|wfd*s*)
	umask $disk_umask
	case $i in
	aacd*s*) name=aacd; chr=151;;
	ad*s*) name=ad; chr=116;;
	ar*s*) name=ar; chr=157;;
	afd*s*) name=afd; chr=118;;
	amrd*s*) name=amrd; chr=133;;
	da*s*) name=da;  chr=13;;
	fla*s*) name=fla; chr=102;;
	idad*s*) name=idad; chr=109;;
	md*s*) name=md;  chr=95;;
	mlxd*s*) name=mlxd; chr=131;;
	twed*s*) name=twed; chr=147;;
	wd*s*) name=wd;  chr=3;;
	wfd*s*) name=wfd; chr=87;;
	esac
	case $i in
	aacd*s*|amrd*s*|idad*s*|mlxd*s*|twed*s*)
		unit=`expr $i : '....\([0-9]*\)s'`
		slice=`expr $i : '....[0-9]*s\([0-9]*\)'`
		part=`expr $i : '....[0-9]*s[0-9]*\(.*\)'`
		;;
	afd*s*|fla*s*|wfd*s*)
		unit=`expr $i : '...\([0-9]*\)s'`
		slice=`expr $i : '...[0-9]*s\([0-9]*\)'`
		part=`expr $i : '...[0-9]*s[0-9]*\(.*\)'`
		;;
	*)
		unit=`expr $i : '..\([0-9]*\)s'`
		slice=`expr $i : '..[0-9]*s\([0-9]*\)'`
		part=`expr $i : '..[0-9]*s[0-9]*\(.*\)'`
		;;
	esac
	case $unit in
	[0-9]|[0-9][0-9]|[0-4][0-9][0-9]|50[0-9]|51[0-1])
		case $slice in
		[0-9]|[1-2][0-9]|30)
			oldslice=$slice
			slice=$(($slice+1))
			slicename=`dkitos $slice`
			minor=`dkminor 0 $unit $slice $dkrawpart`
			mknod  $name$unit$slicename c $chr $minor root:operator
			ln -f $name$unit$slicename r$name$unit$slicename
			case $part in
			[a-h])
				case $oldslice in
				0) slice=$oldslice ;;
				esac
				for part in 0 1 2 3 4 5 6 7
				do
					minor=`dkminor 0 $unit $slice $part`
					partname=`dkitop $part`
					mknod  $name$unit$slicename$partname \
					      c $chr $minor root:operator
					ln -f $name$unit$slicename$partname \
					     r$name$unit$slicename$partname
				done
				;;
			"")
				;;
			*)
				echo bad partition for disk in: $i
				;;
			esac
			;;
		*)
			echo bad slice for disk in: $i
			;;
		esac
		;;
	*)
		echo bad unit for disk in: $i "(unit=$unit, slice=$slice, part=$part)"
		;;
	esac
	umask 77
	;;

fd*)
	umask $disk_umask
	unit=`expr $i : '..\(.*\)'`
	name=fd; chr=9
	case $unit in
	0|1|2|3)
		mknod ${name}${unit}   c $chr $(($unit * 64)) root:operator
		# Fake BSD partitions
		for i in a b c d e f g h
		do
			ln -f ${name}${unit} ${name}${unit}$i
		done
		;;
	*)
		echo bad unit for disk in: $i
		;;
	esac
	umask 77
	;;

ata)
	umask 177
	mknod ata c 159 0 root:operator
	umask 77
	;;
	

aacd*|ad*|ar*|afd*|amrd*|da*|fla*|idad*|md*|mlxd*|twed*|wd*|wfd*)
	umask $disk_umask
	case $i in
	aacd*) name=aacd; chr=151;;
	ad*) name=ad; chr=116;;
	ar*) name=ar; chr=157;;
	afd*) name=afd; chr=118;;
	amrd*) name=amrd; chr=133;;
	da*) name=da;  chr=13;;
	fla*) name=fla; chr=102;;
	idad*) name=idad; chr=109;;
	md*) name=md; chr=95;;
	mlxd*) name=mlxd; chr=131;;
	twed*) name=twed; chr=147;;
	wd*) name=wd;  chr=3;;
	wfd*) name=wfd; chr=87;;
	esac
	case $i in
	aacd*|amrd*|idad*|mlxd*|twed*)
		unit=`expr $i : '....\(.*\)'`
		;;
	afd*|fla*|wfd*)
		unit=`expr $i : '...\(.*\)'`
		;;
	*)
		unit=`expr $i : '..\(.*\)'`
		;;
	esac
	case $unit in
	[0-9]|[0-9][0-9]|[0-4][0-9][0-9]|50[0-9]|51[0-1])
		for slicepartname in s0h s1h s2 s3 s4
		do
			sh $0 $name$unit$slicepartname
		done
		;;
	*)
		echo bad unit for disk in: $i
		;;
	esac
	umask 77
	;;

ccd*)
	umask $disk_umask
	name=ccd
	chr=74
	unit=`expr $i : '...\(.*\)'`
	case $unit in
	[0-9]|[0-9][0-9]|[0-4][0-9][0-9]|50[0-9]|51[0-1])
		for part in 0 1 2 3 4 5 6 7
		do
			minor=`dkminor 0 $unit 0 $part`
			partname=`dkitop $part`
			mknod  $name$unit$partname c $chr $minor root:operator
			ln -f $name$unit$partname r$name$unit$partname
		done
		;;
	*)
		echo bad unit for disk in: $i
		;;
	esac
	umask 77
	;;

# SCSI processor type driver
pt[0-9]*)
	chr=61
	name=pt
	unit=`expr $i : 'pt\([0-9][0-9]*\)'`
	if [ -z "${unit}" ]; then
		unit=0
	fi
	unit=$(($unit + 1 - 1))
	mknod ${name}${unit} c $chr `unit2minor $unit`
	;;

# SCSI SES/SAF-TE type driver
ses[0-9]*)
	chr=110
	name=ses
	unit=`expr $i : 'ses\([0-9][0-9]*\)'`
	if [ -z "${unit}" ]; then
		unit=0
	fi
	unit=$(($unit + 1 - 1))
	mknod ${name}${unit} c $chr `unit2minor $unit`
	;;
# SCSI target mode sample driver
targ[0-9]*)
	chr=65
	name=targ
	unit=`expr $i : 'targ\([0-9][0-9]*\)'`
	if [ -z "${unit}" ]; then
		unit=0
	fi
	unit=$(($unit + 1 - 1))
	mknod ${name}${unit} c $chr `unit2minor $unit`
	mknod ${name}.ctl c $chr 0xffff00ff
	;;

# CAM transport layer device
xpt*)
	# This major number is temporary
	chr=104
	name=xpt
	units=`expr $i : 'xpt\(.*\)'`
	if [ -z "${units}" ]; then
		units=1
	fi
	i=0
	while [ $i -lt $units ]; do
		dname=$name$i
		rm -rf $dname r$dname
		mknod $dname c $chr `unit2minor $i` root:operator
		i=$(($i + 1))
	done	
	;;

# CAM passthrough device
pass*)
	# This major number is temporary
	chr=31
	name=pass
	units=`expr $i : 'pass\(.*\)'`
	if [ -z "${units}" ]; then
		units=1
	fi
	i=0
	while [ $i -lt $units ]; do
		dname=$name$i
		rm -rf $dname r$dname
		mknod $dname c $chr `unit2minor $i` root:operator
		i=$(($i + 1))
	done	
	;;
pty*)
	class=`expr $i : 'pty\(.*\)'`
	case $class in
	0) offset=0 name=p;;
	1) offset=32 name=q;;
	2) offset=64 name=r;;
	3) offset=96 name=s;;
# Note that xterm (at least) only look at p-s.
	4) offset=128 name=P;;
	5) offset=160 name=Q;;
	6) offset=192 name=R;;
	7) offset=224 name=S;;
	# This still leaves [tuTU].
	*) echo bad unit for pty in: $i;;
	esac
	umask 0
	case $class in
	0|1|2|3|4|5|6|7)
		i=0
		while [ $i -lt 32 ]; do
#			This was an awk substr() before.
			c=$(echo 0123456789abcdefghijklmnopqrstuv |
			    dd bs=1 skip=$i count=1 2>/dev/null)
			mknod tty$name$c c 5 $(($offset + $i))
			mknod pty$name$c c 6 $(($offset + $i))
			i=$(($i + 1))
		done
		;;
	esac
	umask 77
	;;

sa*)
	umask $tape_umask
	unit=`expr $i : '..\(.*\)'`
	chr=14

	case $unit in
	[0-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9])
		mknod sa${unit}.ctl c $chr `saminor 1 ${unit} 0 0`
		ln -f sa${unit}.ctl rsa${unit}.ctl
		for m in 0 1 2 3
		do
			mknod sa${unit}.${m} c $chr \
			    `saminor 0 ${unit} ${m} 0`  root:operator
			ln -f sa${unit}.${m} rsa${unit}.${m}
			mknod nsa${unit}.${m} c $chr \
			    `saminor 0 ${unit} ${m} 1` root:operator
			ln -f nsa${unit}.${m} nrsa${unit}.${m}
			mknod esa${unit}.${m} c $chr \
			    `saminor 0 ${unit} ${m} 2` root:operator
			ln -f esa${unit}.${m} ersa${unit}.${m}
		done
		ln -f sa${unit}.0 sa${unit}
		ln -f sa${unit}.0 rsa${unit}.0
		ln -f sa${unit}.0 rsa${unit}
		ln -f nsa${unit}.0 nsa${unit}
		ln -f nsa${unit}.0 nrsa${unit}.0
		ln -f nsa${unit}.0 nrsa${unit}
		ln -f esa${unit}.0 esa${unit}
		ln -f esa${unit}.0 ersa${unit}.0
		ln -f esa${unit}.0 ersa${unit}
		;;
	*)
		echo bad unit for tape in: $i
		;;
	esac
	umask 77
	;;

ch*)
	umask 37
	unit=`expr $i : '..\(.*\)'`
	case $i in
	ch*) name=ch;  chr=17;;
	esac
	case $unit in
	0|1|2|3|4|5|6)
		mknod ${name}${unit}	c $chr $unit root:operator
		;;
	*)
		echo bad unit for media changer in: $i
		;;
	esac
	umask 77
	;;

ast*)
	umask 2 ;
	unit=`expr $i : '...\(.*\)'`
	chr=119
	case $unit in
	0|1|2|3)
		mknod ast${unit} c $chr $(($unit * 8 + 0)) root:operator
		chmod 640 ast${unit}
		mknod nast${unit} c $chr $(($unit * 8 + 1)) root:operator
		chmod 640 nast${unit}
		;;
	*)
		echo bad unit for tape in: $i
		;;
	esac
	umask 77
	;;

acd*t*)
	umask $disk_umask
	units=`expr $i : '...\(.*\)t'`;
	tracks=`expr $i : '.*t\(.*\)'`;
	name=acd;
	chr=117;
	if [ -z "${units}" ]; then
		units=0
	fi
	if [ -z "${tracks}" ]; then
		tracks=100
	fi
	if [ "${units}" -le 31 -a "${tracks}" -le 169 ]; then
		i=0
		while [ $i -le $units ]; do
			dname=$name$i
			rm -rf ${dname}t*
			j=1
			while [ $j -le ${tracks} ]; do
				mknod ${dname}t$j c $chr \
					$((($i * 8) + (65536 * $j))) \
					root:operator
				j=$(($j + 1))
			done
			i=$(($i + 1))
		done
	else
		echo "$i is invalid -- can't have more than 32 cd devices or 169 tracks"
	fi
	umask 77
	;;

acd*|cd*|mcd*|scd*)
	umask $disk_umask
	case $i in
	acd*) units=`expr $i : '...\(.*\)'`; name=acd; chr=117;;
	cd*) units=`expr $i : '..\(.*\)'`; name=cd; chr=15;;
	mcd*) units=`expr $i : '...\(.*\)'`; name=mcd; chr=29;;
	scd*) units=`expr $i : '...\(.*\)'`; name=scd; chr=45;;
	esac
	if [ -z "${units}" ]; then
		units=0
	fi
	if [ "${units}" -le 31 ]; then
		i=0
		while [ $i -le $units ]; do
			dname=$name$i
			rm -rf ${dname}[!t]* r${dname}*
			mknod ${dname}a c $chr $(($i * 8)) root:operator
			mknod ${dname}c c $chr $(($i * 8 + 2)) root:operator
			ln -f ${dname}a r${dname}a
			ln -f ${dname}c r${dname}c
			i=$(($i + 1))
		done
	else
		echo "$i is invalid -- can't have more than 32 cd devices"
	fi
	umask 77
	;;

wcd*)
	umask 2 ;
	unit=`expr $i : '...\(.*\)'`
	chr=69
	case $unit in
	0|1|2|3|4|5|6|7)
		mknod wcd${unit}a  c $chr $(($unit * 8 + 0)) root:operator
		mknod wcd${unit}c  c $chr $(($unit * 8 + 2)) root:operator
		ln -f wcd${unit}a rwcd${unit}a
		ln -f wcd${unit}c rwcd${unit}c
		chmod 640 wcd${unit}[a-h] rwcd${unit}[a-h]
		;;
	*)
		echo bad unit for disk in: $i
		;;
	esac
	umask 77
	;;

wst*)
	umask 2 ;
	unit=`expr $i : '...\(.*\)'`
	chr=90
	case $unit in
	0|1|2|3)
		mknod rwst${unit} c $chr $(($unit * 8 + 0)) root:operator
		chmod 640 rwst${unit}
		;;
	esac
	umask 77
	;;

iic*)
	unit=`expr $i : 'iic\(.*\)'`
	mknod iic$unit c 105 `unit2minor $unit`
	;;

smb*)
	unit=`expr $i : 'smb\(.*\)'`
	mknod smb$unit c 106 `unit2minor $unit`
	;;

pcfclock*)
	unit=`expr $i : 'pcfclock\(.*\)'`
	mknod pcfclock$unit c 140 `unit2minor $unit`
	;;

ppi*)
	unit=`expr $i : 'ppi\(.*\)'`
	mknod ppi$unit c 82 `unit2minor $unit`
	;;

pps*)
	unit=`expr $i : 'pps\(.*\)'`
	mknod pps$unit c 89 `unit2minor $unit`
	;;

usb)
	mknod usb$unit c 108 255 root:operator
	chmod 0660 usb$unit
	;;

usb*)
	umask 7
	unit=`expr $i : 'usb\(.*\)'`
	mknod usb$unit c 108 `unit2minor $unit` root:operator
	umask 77
	;;

uhid*)
	umask 7
	unit=`expr $i : 'uhid\(.*\)'`
	mknod uhid$unit c 122 `unit2minor $unit` root:operator
	umask 77
	;;

ums*)
	umask 7
	unit=`expr $i : 'ums\(.*\)'`
	mknod ums$unit c 111 `unit2minor $unit` root:operator
	umask 77
	;;

ulpt*)
	unit=`expr $i : 'ulpt\(.*\)'`
	minor=`unit2minor $unit`
	mknod ulpt$unit c 113 $minor
	minor=`unit2minor $(($unit + 64))`
	mknod unlpt$unit c 113 $minor		# and the 'no prime' version
	;;

ugen*)
	umask 7
	unit=`expr $i : 'ugen\([0-9][0-9]*\)'`
	endpoint=`expr $i : 'ugen.*\.\([0-9][0-9]*\)'`
	if [ -z "${unit}" ]; then
		echo $i - Invalid unit number
	fi
	if [ -z "${endpoint}" ]; then		# ugen0 & ugen0.1 - ugen0.15
		mknod ugen$unit c 114 \
				`unit2minor $(($unit * 16))` root:operator
		i=1
		while [ $i -lt 16 ]; do
			mknod ugen$unit.$i c 114 \
				`unit2minor $(($unit * 16 + $i))` root:operator
			i=$(($i + 1))
		done
	else
		minor=`unit2minor $(($unit * 16 + $endpoint))`
		mknod ugen$unit.$endpoint c 114 $minor root:operator
	fi
	umask 77
	;;

urio*)
	umask 7
	unit=`expr $i : 'urio\(.*\)'`
	mknod urio$unit c 143 `unit2minor $unit` root:operator
	umask 77
	;;

ucom*)
	umask 7
	unit=`expr $i : 'ucom\(.*\)'`
	minor=`unit2minor $(($unit + 128))`
	mknod ucom$unit c 138 $minor uucp:dialer
	umask 77
	;;

uscanner*)
	umask 7
	unit=`expr $i : 'uscanner\(.*\)'`
	mknod uscanner$unit c 156 `unit2minor $unit` root:operator
	umask 77
	;;

umodem*)
	umask 7
	unit=`expr $i : 'umodem\(.*\)'`
	mknod umodem$unit c 124 `unit2minor $unit` uucp:dialer
	umask 77
	;;

lpt*)
	unit=`expr $i : 'lpt\(.*\)'`
	mknod lpt$unit c 16 `unit2minor $unit`
	mknod lpctl$unit c 16 `unit2minor $(($unit + 128))`
	;;

# Use this to create virtual consoles for syscons, pcvt or codrv
# ttyv0-b
# use as MAKEDEV vtyNN to create NN entries
vty*)
	chr=12
	units=`expr $i : 'vty\(.*\)'`
	i=0
	while [ $i -lt $units ]; do
		mknod ttyv$(hexprint $i) c $chr `unit2minor $i`
		i=$(($i + 1))
	done
	ln -fs ttyv0 vga	# XXX X still needs this pccons relic
	;;

nmdm*)
	units=`expr $i : 'nmdm\(.*\)'`
	chr=18
	i=0
	while [ $i -lt $units ]; do
		minor=`unit2minor $i`
		minor=$(($minor + $minor))
		mknod nmdm${i}A c $chr $minor
		mknod nmdm${i}B c $chr $(($minor + 1))
		i=$(($i + 1))
	done
	;;

bpf*)
	units=`expr $i : 'bpf\(.*\)$'`
	unit=0
	while [ $unit -le $units ]; do
		mknod bpf$unit c 23 `unit2minor $unit`
		unit=$(($unit + 1))
	done
	;;

speaker)
	mknod speaker c 26 0
	;;

cua?|cuaa?|cuaa??)
	umask 7
	unit_low=`expr $i : 'cua.*\(.\)$'`
	case $i in
	cua?|cuaa?)
		unit_high=""
		m_high=0
		;;
	cuaa??)
		unit_high=`expr $i : 'cuaa\(.\).$'`
		m_high=`ttyminor $unit_high`
		;;
	esac
	unit=$unit_high$unit_low
	m=$(($m_high << 16 | `ttyminor $unit_low`))
	mknod cuaa$unit c 28 $(($m | 128)) uucp:dialer
	mknod cuaia$unit c 28 $(($m | 32 | 128)) uucp:dialer
	mknod cuala$unit c 28 $(($m | 64 | 128)) uucp:dialer
	umask 77
	;;

tty?|tty0?|ttyd?|ttyd??)
	unit_low=`expr $i : 'tty.*\(.\)$'`
	case $i in
	tty?|tty0?|ttyd?)
		unit_high=""
		m_high=0
		;;
	ttyd??)
		unit_high=`expr $i : 'ttyd\(.\).$'`
		m_high=`ttyminor $unit_high`
		;;
	esac
	unit=$unit_high$unit_low
	m=$(($m_high << 16 | `ttyminor $unit_low`))
	mknod ttyd$unit c 28 $m
	mknod ttyid$unit c 28 $(($m | 32))
	mknod ttyld$unit c 28 $(($m | 64))
	;;

cuac?)
	umask 7
	portlist="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"
	major=48
	card=`expr $i : 'cua.*\(.\)$'`
	for unit in $portlist
	do
		minor=`ttyminor $unit`
		minor=$(($card * 65536 + $minor))
		name=$card$unit
		mknod cuac$name c $major $(($minor + 128)) uucp:dialer
		mknod cuaic$name c $major $(($minor + 32 + 128)) uucp:dialer
		mknod cualc$name c $major $(($minor + 64 + 128)) uucp:dialer
	done
	umask 77
	;;

ttyc?)
	portlist="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"
	major=48
	card=`expr $i : 'tty.*\(.\)$'`
	for unit in $portlist
	do
		minor=`ttyminor $unit`
		minor=$(($card * 65536 + $minor))
		name=$card$unit
		mknod ttyc$name c $major $minor
		mknod ttyic$name c $major $(($minor + 32))
		mknod ttylc$name c $major $(($minor + 64))
	done
	;;

# RISCom8 'rc' driver entries

cuam?)
	umask 7
	unit=`expr $i : 'cua.*\(.\)$'`
	m=`ttyminor $unit`
	mknod cuam$unit c 63 $(($m + 128)) uucp:dialer
	umask 77
	;;

ttym?)
	unit=`expr $i : 'tty.*\(.\)$'`
	m=`ttyminor $unit`
	mknod ttym$unit c 63 $m
	;;

# Specialix SI/XIO.
# Note: these are 'base 1' to match the numbers on the panels, and to match
#       the manual that comes with the system.
ttyA*)
	major=68
	units=`expr $i : 'ttyA\(.*\)$'`
	port=1
	while [ $port -le $units ]; do
		minor=$(($port - 1))
		name=$(zeropad 2 $port)
		mknod ttyA$name c $major $minor
		mknod ttyiA$name c $major $(($minor + 65536))
		mknod ttylA$name c $major $(($minor + 131072))
		port=$(($port + 1))
	done
	# For the user-mode control program, 'sicontrol'
	mknod si_control c 68 262144
	;;

cuaA*)
	umask 7
	major=68
	units=`expr $i : 'cuaA\(.*\)$'`
	port=1
	while [ $port -le $units ]; do
		minor=$(($port - 1))
		name=$(zeropad 2 $port)
		mknod cuaA$name c $major $(($minor + 128)) uucp:dialer
		mknod cuaiA$name c $major $(($minor + 128 + 65536)) \
		    uucp:dialer
		mknod cualA$name c $major $(($minor + 128 + 131072)) \
		    uucp:dialer
		port=$(($port + 1))
	done
	umask 77
	;;

# Alpha AS8[24]00 (TurboLaser) console.
zs?)
	unit=`expr $i : 'zs.*\(.\)$'`
	m=`ttyminor $unit`
	mknod zs$unit c 135 $m
	;;

# Digiboard PC/?? 16 port card.
# The current scheme of minor numbering is:
#
#       unused{14} CARD{2} major{8} CALLOUT{1} LOCK{1} INIT{1} PORT{5}
#
#   CARD bitfield in future versions may be extended to 3 bits.
#
# See dgb(4)
#
ttyD?)
	portlist="0 1 2 3 4 5 6 7 8 9 a b c d e f"
	major=58
	card=`expr $i : 'tty.*\(.\)$'`
	for unit in $portlist
	do
		minor=`ttyminor $unit`
		minor=$(($card * 65536 + $minor))
		name=$card$unit
		mknod ttyD$name c $major $minor
		mknod ttyiD$name c $major $(($minor + 32))
		mknod ttylD$name c $major $(($minor + 64))
	done

	# Also create devices for the digi driver
	umask 7
	major=162
	card=`expr $i : 'tty.*\(.\)$'`
	rm -f digi$card.ctl
	mknod digi$card.ctl c $major $(($card * 65536 + 8388608)) uucp:dialer
	unit=0
	while [ $unit -lt 16 ]
	do
		base=$(($card * 65536 + $unit))
		name=$card.$unit
		rm -f tty*D$name
		mknod ttyD$name c $major $base
		mknod ttyiD$name c $major $(($base + 1048576))
		mknod ttylD$name c $major $(($base + 2097152))
		unit=$(($unit + 1))
	done
	umask 77
	;;

cuaD?)
	umask 7
	portlist="0 1 2 3 4 5 6 7 8 9 a b c d e f"
	major=58
	card=`expr $i : 'cua.*\(.\)$'`
	for unit in $portlist
	do
		minor=`ttyminor $unit`
		minor=$(($card * 65536 + $minor))
		name=$card$unit
		mknod cuaD$name c $major $(($minor + 128)) uucp:dialer
		mknod cuaiD$name c $major $(($minor + 32 + 128)) uucp:dialer
		mknod cualD$name c $major $(($minor + 64 + 128)) uucp:dialer
	done

	# Also create devices for the digi driver
	major=162
	card=`expr $i : 'cua.*\(.\)$'`
	rm -f digi$card.ctl
	mknod digi$card.ctl c $major $(($card * 65536 + 8388608)) uucp:dialer
	unit=0
	while [ $unit -lt 16 ]
	do
		base=$(($card * 65536 + $unit))
		name=$card.$unit
		rm -f cua*D$name
		mknod cuaD$name c $major $(($base + 4194304)) uucp:dialer
		mknod cuaiD$name c $major $(($base + 5242880)) uucp:dialer
		mknod cualD$name c $major $(($base + 6291456)) uucp:dialer
		unit=$(($unit + 1))
	done
	umask 77
	;;

# Digiboard Xem - superceeded by the digi device above
#
ttyM*)
	portlist="0 1 2 3 4 5 6 7 8 9 a b c d e f"
	modulelist="a b c d"
	major=101
	card=`expr $i : 'tty.*\(.\)$'`
	for unit in $modulelist
	do
		moduleminor=`ttyminor $unit`
		moduleminor=$(($moduleminor % 10 * 16))
		modulename=$unit

		for unit in $portlist
		do
			minor=`ttyminor $unit`
			minor=$(($card * 65536 + $minor + $moduleminor))
			name=$card$modulename$unit
			rm -f tty*M$name
			mknod ttyM$name c $major $minor
			mknod ttyiM$name c $major $(($minor + 64))
			mknod ttylM$name c $major $(($minor + 128))
		done
	done
	;;

cuaM?)
	umask 7
	portlist="0 1 2 3 4 5 6 7 8 9 a b c d e f"
	modulelist="a b c d"
	major=101
	card=`expr $i : 'cua.*\(.\)$'`
	for unit in $modulelist
	do
		moduleminor=`ttyminor $unit`
		moduleminor=$(($moduleminor % 10 * 16))
		modulename=$unit

		for unit in $portlist
		do
			minor=`ttyminor $unit`
			minor=$(($card * 65536 + $minor + $moduleminor))
			name=$card$modulename$unit
			rm -f cua*M$name
			mknod cuaM$name c $major $(($minor + 262144)) \
			    uucp:dialer
			mknod cuaiM$name c $major $(($minor + 64 + 262144)) \
			    uucp:dialer
			mknod cualM$name c $major $(($minor + 128 + 262144)) \
			    uucp:dialer
		done
	done
	umask 77
	;;

ttyR?)
	major=81
	BOARD=1; Rnum=0
	MINOR=$(($BOARD * 65536))
	controllers=$(
		dmesg | while read first rest; do
			case "$first" in
			RocketPort[0-4])
				echo "$first"
				;;
			esac
		done
	)
	rm -f ttyR* ttyiR* ttylR*
	for i in $controllers; do
	   ndevices=$(
		dmesg | while read first foo bar ports rest; do
			case "$first" in
			$i*)
				echo "$ports"
				;;
			esac
		done
	   )
	   echo -n "Creating $ndevices devices for $i: "
	   dev=0
	   while [ $dev -lt $ndevices ]; do
		   mknod ttyR$Rnum c $major $MINOR
		   mknod ttyiR$Rnum c $major $(($MINOR + 32))
		   mknod ttylR$Rnum c $major $(($MINOR + 64))
		   Rnum=$(($Rnum + 1))
		   MINOR=$(($MINOR + 1))
		   dev=$(($dev + 1))
	   done
		BOARD=$(($BOARD + 1))
		MINOR=$(($BOARD * 65536))
	   echo " "
	done
	;;

cuaR?)
	major=81
	BOARD=1; Rnum=0
	MINOR=$(($BOARD * 65536))
	controllers=$(
		dmesg | while read first rest; do
			case "$first" in
			RocketPort[0-4])
				echo "$first"
				;;
			esac
		done
	)
	rm -f cuaR* cuaiR* cualR*
	for i in $controllers; do
	   ndevices=$(
		dmesg | while read first foo bar ports rest; do
			case "$first" in
			$i*)
				echo "$ports"
				;;
			esac
		done
	   )
	   echo -n "Creating $ndevices devices for $i: "
	   dev=0
	   while [ $dev -lt $ndevices ]; do
		   mknod cuaR$Rnum c  $major $(($MINOR + 128)) uucp:dialer
		   mknod cuaiR$Rnum c $major $(($MINOR + 128 + 32)) \
		       uucp:dialer
		   mknod cualR$Rnum c $major $(($MINOR + 128 + 64)) \
		       uucp:dialer
		   Rnum=$(($Rnum + 1))
		   MINOR=$(($MINOR + 1))
		   dev=$(($dev + 1))
	   done
		BOARD=$(($BOARD + 1))
		MINOR=$(($BOARD * 65536))
	   echo " "
	done
	;;

mse*)
	unit=`expr $i : 'mse\(.*\)'`
	chr=27
	# non-blocking for X11
	mknod mse$unit c $chr `unit2minor $(($unit * 2 + 1))`
	;;

psm*)
	unit=`expr $i : 'psm\(.*\)'`
	chr=21
	# non-blocking for X11
	mknod psm$unit c $chr `unit2minor $(($unit * 2 + 1))`
	;;

mouse*)
	name=`expr $i : 'mouse\(.*\)'`
	if [ ! -c $name ]; then
		$0 $name			# make the appropriate device
	fi
	ln -fs $name mouse
	;;

pcaudio)
	mknod pcaudio c 24 0
	mknod pcaudioctl c 24 128
	;;

socksys)
	mknod socksys c 41 0
	mknod spx c 41 1
	ln -fs socksys nfsd
	chmod 666 socksys nfsd spx
	;;

snd*)
#
# changes from Linux voxware
# minor		Linux			FreeBSD
# 8		sequencer2 (aka music0)	music0
# 17		patmgr0			sequencer1
# 33		patmgr1			sequencer2
#

	unit=`expr $i : 'snd\(.*\)'`
	chr=30

	# XXX write this less verbosely, like std
	snd_security_hole=0	# XXX
	umask $snd_security_hole

	ln -fs mixer$unit mixer
	ln -fs sequencer$unit sequencer
	ln -fs dsp$unit dsp
	ln -fs audio$unit audio
	ln -fs dspW$unit dspW
	ln -fs music$unit music
	ln -fs pss$unit pss

	mknod mixer$unit	c $chr `unit2minor $(($unit * 16 + 0))`
	mknod sequencer$unit	c $chr `unit2minor $(($unit * 16 + 1))`
	mknod midi$unit		c $chr `unit2minor $(($unit * 16 + 2))`
	mknod dsp$unit		c $chr `unit2minor $(($unit * 16 + 3))`
	mknod audio$unit	c $chr `unit2minor $(($unit * 16 + 4))`
	mknod dspW$unit		c $chr `unit2minor $(($unit * 16 + 5))`
	mknod sndstat		c $chr 6
				# minor number 7 is unused
	mknod music$unit	c $chr `unit2minor $(($unit * 16 + 8))`
	mknod pss$unit		c $chr `unit2minor $(($unit * 16 + 9))`
				# minor number 10 is unused
	mknod midistat		c $chr 11
				# minor numbers 12-15 are unused
	umask 77
	;;

vat)
	mknod vatio c 25 128
	chmod 660 vatio
	;;

gsc*)
	unit=`expr $i : 'gsc\(.*\)'`
	mknod gsc${unit} c 47 `unit2minor $unit`
	mknod gsc${unit}p c 47 `unit2minor $(($unit + 8))`
	mknod gsc${unit}d c 47 `unit2minor $(($unit + 32))`
	mknod gsc${unit}pd c 47 `unit2minor $(($unit + 40))`
	chmod 666 gsc${unit}*
	;;

acpi)
	mknod acpi c 152 0 root:operator
	chmod 660 acpi
	;;

apm)
	mknod apm c 39 0 root:operator
	chmod 664 apm
	;;

apmctl)
	mknod apmctl c 39 8 root:operator
	chmod 660 apmctl
	;;

card*)
	unit=`expr $i : 'card\(.*\)'`
	chr=50
	mknod card$unit c $chr `unit2minor $unit`
	chmod 644 card$unit
	;;

ti*)	unit=`expr $i : 'ti\(.*\)'`
	chr=153
	mknod ti$unit c $chr `unit2minor $unit`
	chmod 600 ti$unit
	;;

ttyx?|ttyy?|ttyz?)
	case $i in
	*0) unit=0;;	*1) unit=1;;	*2) unit=2;;	*3) unit=3;;
	*4) unit=4;;	*5) unit=5;;	*6) unit=6;;	*7) unit=7;;
	*8) unit=8;;	*9) unit=9;;	*a) unit=10;;	*b) unit=11;;
	*c) unit=12;;	*d) unit=13;;	*e) unit=14;;	*f) unit=15;;
	esac
	case $i in
	ttyy?)  unit=$(($unit + 16));;
	ttyz?)  unit=$(($unit + 32));;
	esac
	mknod $i c 42 $unit
	;;

cronyx)
	mknod cronyx c 42 63
	;;

joy)
	mknod joy0 c 51 0 root:operator
	mknod joy1 c 51 1 root:operator
	chmod 640  joy0 joy1
	;;

spigot)
	mknod spigot c 11 0
	chmod 444 spigot
	;;

ctx?)
	unit=`expr $i : 'ctx\(.*\)'`
	mknod ctx$unit c 40 `unit2minor $unit`
	chmod 444 ctx$unit
	;;

meteor?)
	unit=`expr $i : 'meteor\(.*\)'`
	mknod meteor$unit c 67 `unit2minor $unit`
	chmod 444 meteor$unit
	;;

bktr?)
	unit=`expr $i : 'bktr\(.*\)'`
	mknod bktr$unit c 92 `unit2minor $unit`
	mknod tuner$unit c 92 `unit2minor $((16 + $unit))`
	mknod vbi$unit c 92 `unit2minor $((32 + $unit))`
	chmod 444 bktr$unit tuner$unit vbi$unit
	;;

tun*)
	units=`expr $i : 'tun\(.*\)$'`
	unit=0
	while [ $unit -le $units ]; do
		mknod tun$unit c 52 `unit2minor $unit`
		unit=$(($unit + 1))
	done
	;;

tap*)
	units=`expr $i : 'tap\(.*\)$'`
	unit=0
	while [ $unit -le $units ]; do
		mknod tap$unit c 149 `unit2minor $unit` root:network
		unit=$(($unit + 1))
	done
	;;

sysmouse)
	mknod sysmouse c 12 128
	mknod consolectl c 12 255
	;;

jogdial)
	mknod jogdial c 160 0
	;;

snp?)
	unit=`expr $i : 'snp\(.*\)'`
	mknod snp$unit c 53 `unit2minor $unit`
	;;

# dufault@hda.com: If I do much more work on other A-D boards
# then eventually we'll have a "ad" and "dio" interface and some of these
# "labpcaio" ones will be gone.
# labpcaio: D-A and A-D.
# labpcdio: Digital in and Digital out.
#
labpc*)
	umask 7
	case $i in
	labpcaio*)
		name=labpcaio
		unit=`expr $i : 'labpcaio\(.*\)'`
		all="0 1 2 3 4 5 6 7"
		offset=0
		;;
	labpcdio*)
		name=labpcdio
		unit=`expr $i : 'labpcdio\(.*\)'`
		all="0 1 2 3"
		offset=8
		;;
	*)
		die 3 "Don't know LabPC type $i"
		;;
	esac
	if [ -z "${unit}" ]; then
		unit=all
	fi
	case $unit in
		0|1|2|3|4|5|6|7)
				mknod $name$unit c 66 $(($offset + $unit))
		;;
		all)
			for i in $all
			do
				mknod $name$i c 66 $(($offset + $i))
			done
			;;
		*)
			echo "No such LabPC unit: $unit"
			;;
	esac
	umask 77
	;;

perfmon)
	mknod perfmon c 2 32 root:kmem
	chmod 640 perfmon
	;;

ipl)
	mknod ipl c 79 0
	mknod ipnat c 79 1
	mknod ipstate c 79 2
	mknod ipauth c 79 3
	;;

kbd*)
	unit=`expr $i : 'kbd\(.*\)'`
	chr=112
	mknod kbd$unit c $chr `unit2minor $unit`
	;;

i4b)
	mknod i4b c 60 0
	;;

i4bctl)
	mknod i4bctl c 55 0
	;;

i4brbch*)
	unit=`expr $i : 'i4brbch\(.*\)'`
	mknod i4brbch$unit c 57 `unit2minor $unit`
	;;

i4bteld*)
	offset=64
	unit=`expr $i : 'i4bteld\(.*\)'`
	mknod i4bteld$unit c 56 `unit2minor $(($offset + $unit))`
	;;

i4btel*)
	unit=`expr $i : 'i4btel\(.*\)'`
	mknod i4btel$unit c 56 `unit2minor $unit`
	;;

i4btrc*)
	unit=`expr $i : 'i4btrc\(.*\)'`
	mknod i4btrc$unit c 59 `unit2minor $unit`
	;;

aac*)
	unit=`expr $i : 'aac\(.*\)'`
	mknod aac$unit c 150 `unit2minor $unit`
	ln -fs aac$unit afa$unit
	ln -fs aac$unit hpn$unit
	;;

mlx*)
	unit=`expr $i : 'mlx\(.*\)'`
	mknod mlx$unit c 130 `unit2minor $unit`
	;;

mly*)
	unit=`expr $i : 'mlx\(.*\)'`
	mknod mlx$unit c 158 `unit2minor $unit`
	;;

amr*)
	unit=`expr $i : 'amr\(.*\)'`
	mknod amr$unit c 132 `unit2minor $unit`
	;;

ciss*)
	unit=`expr $i : 'ciss\(.*\)'`
	mknod ciss$unit c 166 `unit2minor $unit`
	;;

3dfx*)
	unit=`expr $i : '3dfx\(.*\)'`
	mknod 3dfx$unit c 107 `unit2minor $unit`
	ln -sf 3dfx$unit 3dfx
   ln -sf 3dfx$unit voodoo
	;;

agpgart)
	mknod agpgart c 148 0
	;;

twe*)
	unit=`expr $i : 'twe\(.*\)'`
	mknod twe$unit c 146 `unit2minor $unit`
	;;

tw*)
	unit=`expr $i : 'tw\(.*\)'`
	mknod tw$unit c 19 `unit2minor $unit` root:operator
	;;

cfs*)
	unit=`expr $i : 'cfs\(.*\)'`
	mknod cfs$unit c 93 $unit root:operator
	;;

nsmb*)
	unit=`expr $i : 'nsmb\(.*\)'`
	mknod nsmb$unit c 144 $unit
	;;

elan*)
	mknod elan-mmcr c 100 0	# XXX local major
	chmod 600 elan-mmcr
	;;

crypto)
	mknod crypto c 70 0 root:operator
	chmod 666 crypto
	;;

local)
	umask 0			# XXX should be elsewhere
	sh $0.local
	umask 77
	;;

*)
	echo $i - no such device name
	;;

esac
done