#!/bin/sh -
#
#	$NetBSD: MAKEDEV,v 1.43 2002/05/17 16:32:18 lukem Exp $
#
# Copyright (c) 1990 The Regents of the University of California.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. All advertising materials mentioning features or use of this software
#    must display the following acknowledgement:
#	This product includes software developed by the University of
#	California, Berkeley and its contributors.
# 4. 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 BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
#	@(#)MAKEDEV	5.5 (Berkeley) 5/28/91
#
###########################################################################
#
#   PLEASE RUN "cd ../share/man/man8 ; perl5 MAKEDEV2manpage.pl"
#   AFTER CHANGING THIS FILE, AND COMMIT THE UPDATED MANPAGE!
#
###########################################################################
#
# Device "make" file.  Valid arguments:
#	std	standard devices
#	local	configuration specific devices
# Tapes:
#	st*	SCSI tape
# Disks:
#	sd*	Sun SCSI disks
#	fd*	Floppies
#	vnd*	"file" pseudo-disks
#	ccd*	concatenated disk driver
#	raid*	RAIDframe disk driver
#	md*	memory pseudo-disk devices
# Pseudo terminals:
#	pty*	set of 62 master and slave pseudo terminals
#	opty	first 16 ptys, to save inodes on install media
# Special purpose devices:
#	clockctl clock control for non root users
#	bwtwo*	monochromatic frame buffer
#	cgtwo*	8-bit VME bus color frame buffer
#	cgfour*	8-bit color frame buffer
#	bpf*	packet filter
#	lkm	loadable kernel modules interface
#	tun*	network tunnel driver
#	random	Random number generator
#	scsibus* SCSI busses, see scsi(4), scsictl(8)

# XXX - Keep /usr/etc so SunOS can find chown
PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/etc
umask 77

# set this to echo for Echo-Only debugging
eo=

# when we're making devices for the ramdisk, we conserve
# inodes by not making block devices or devices for 
# partitions greater than d:
__ramdisk=false

# mk name b/c major minor [mode] [group]
mk() {
	$eo rm -f $1
	$eo mknod $1 $2 $3 $4
	$eo chmod ${5-666} $1
	test -n "$6" && $eo chgrp $6 $1
	return 0
}


# 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 arg
do

unit=`expr $arg : '[a-z][a-z]*\([0-9][0-9]*\)'`
[ "$unit" ] || unit=0

case $arg in

all)
	makedev std fd pty0
	makedev bwtwo0 cgtwo0 cgfour0
	makedev raid0 raid1 raid2 raid3 raid4 raid5 raid6 raid7
	makedev sd0 sd1 sd2 sd3 sd4 sd5 sd6
	makedev cd0 cd1 st0 st1 st2 fd0 md0 md1
	makedev xd0 xd1 xd2 xd3
	makedev xy0 xy1 xy2 xy3
	makedev vnd0 vnd1 vnd2 vnd3 ccd0 ccd1 ccd2 ccd3
	makedev bpf0 bpf1 bpf2 bpf3 bpf4 bpf5 bpf6 bpf7
	makedev tun0 tun1
	makedev lkm random
	makedev scsibus0 scsibus1 scsibus2 scsibus3
	makedev local
	makedev clockctl
	;;

std)
	mk console	c 0 0 622
	mk kd		c 1 0 622

	mk mem		c 3 0 640 kmem
	mk kmem		c 3 1 640 kmem
	mk null		c 3 2
	mk eeprom	c 3 11 640 kmem
	mk zero		c 3 12
	mk leds		c 3 13
	mk drum		c 7 0 640 kmem

	mk ttya		c 12 0
	mk ttyb		c 12 1
	mk mouse	c 13 0
	mk klog		c 16 0 600
	mk fb		c 22 0
	mk kbd		c 29 0
	if $nofdesc; then
		mk tty		c 2 0
		mk stdin	c 23 0
		mk stdout	c 23 1
		mk stderr	c 23 2
	fi
	;;

fd)
	if $nofdesc; then
		rm -f fd/*
		mkdir fd 2>/dev/null
		n=0
		while [ $n -lt 64 ]; do
			mk fd/$n c 23 $n 666
			n=$(($n + 1))
		done
		chmod 755 fd
		chmod 666 fd/*
	fi
	;;

bpf*)
	mk bpf$unit c 36 $unit 600
	;;

tun*)
	mk tun$unit c 24 $unit 600
	;;

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 20 $jn
		mknod ptyp$j c 21 $jn
	done
	chmod 666 ttyp[0-9a-f] ptyp[0-9a-f]
	;;

		
pty*)
	class=${arg#pty}
	name=`echo pqrstuvwxyzPQRST | dd bs=1 count=1 skip=$class 2>/dev/null`
	case $name in
	v)	echo "$0: $arg: pty unit conflicts with console ttyv0 device."
		continue;;
	?)      ;;
	*)      echo "$0: $arg:: pty unit must be between 0 and 15"
	        continue ;;
	esac
	rm -f tty$name[0-9a-zA-Z] pty$name[0-9a-zA-Z]
	jn=0
	while [ $jn -lt 62 ]
	do
		j=`echo 0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ | dd bs=1 count=1 skip=$jn 2>/dev/null`
		skip=0
		if [ $jn -ge 16 ]; then
			skip=$(($class * 30 + 256 - 16))
		fi
		unit=$(($class * 16 + $jn + $skip))
		mknod tty$name$j c 20 $unit
		mknod pty$name$j c 21 $unit
		jn=$(($jn + 1))
	done
	chmod 666 tty$name[0-9a-zA-Z] pty$name[0-9a-zA-Z]
	;;

ccd*|cd*|fd*|sd*|xd*|xy*|vnd*|raid*)
	case $arg in
	  ccd*) name=ccd; blk=9; chr=33;;
	  cd*) name=cd; blk=18; chr=58;;
	  fd*) name=fd; blk=16; chr=54;;
	  raid*) name=raid; blk=25; chr=82;;
	  sd*) name=sd; blk=7; chr=17;;
	  xd*) name=xd; blk=10; chr=42;;
	  xy*) name=xy; blk=3; chr=9 ;;
	  vnd*) name=vnd; blk=5; chr=19;;
	esac
	case $unit in
	  [0-7]) offset=$(($unit * 8));;
	  *) echo bad unit for $name in: $arg;;
	esac
	parts="a.0 b.1 c.2 d.3"
	if ! $__ramdisk; then parts="$parts e.4 f.5 g.6 h.7"; fi
	for part in $parts
	do
	(
		tmp="$IFS" ; IFS="$IFS."
		set -- $part
		IFS="$tmp" ; unset tmp
		minor=$(($offset + $2))
		if ! $__ramdisk; then 
			mk  $name$unit$1 b $blk $minor 640 operator
		fi
		mk r$name$unit$1 c $chr $minor 640 operator
	)
	done
	;;

st*)
	name=st; blk=11; chr=18
	mk   r$name$unit c $chr $(($unit * 16 + 0)) 660 operator
	mk  nr$name$unit c $chr $(($unit * 16 + 1)) 660 operator
	mk  er$name$unit c $chr $(($unit * 16 + 2)) 660 operator
	mk enr$name$unit c $chr $(($unit * 16 + 3)) 660 operator
	;;

bwtwo*)
	mk bwtwo$unit c 27 $unit
	;;

cgtwo*)
	mk cgtwo$unit c 31 $unit
	;;

cgfour*)
	mk cgfour$unit c 39 $unit
	;;

md*)
	name=md; blk=13; chr=52
	mk  md${unit}a b $blk $(($unit * 8 + 0)) 640 operator
	mk  md${unit}c b $blk $(($unit * 8 + 2)) 640 operator
#	mk rmd${unit}a c $chr $(($unit * 8 + 0)) 640 operator
#	mk rmd${unit}c c $chr $(($unit * 8 + 2)) 640 operator
	;;

lkm)
	mk lkm c 72 0 640 kmem
	;;

random)
	mk  random c 80 0 444
	mk urandom c 80 1
	;;

scsibus*)
	mk scsibus${unit} c 81 $unit 644 wheel
	;;

clockctl)
	rm -f clockctl
	mknod clockctl c 84 0
	chgrp ntpd clockctl
	chmod 660 clockctl
	;;

local)
	umask 0
	sh $0.local all
	umask 77
	;;

__ramdisk)
	__ramdisk=true
	;;

*)
	echo $arg: unknown device
	;;

esac
done

}

makedev $*