270 lines
6.5 KiB
Bash
270 lines
6.5 KiB
Bash
#!/bin/sh -
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#
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# $NetBSD: MAKEDEV,v 1.7 2002/12/14 05:28:47 tsutsui Exp $
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#
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# Copyright (c) 1990 The Regents of the University of California.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. All advertising materials mentioning features or use of this software
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# must display the following acknowledgement:
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# This product includes software developed by the University of
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# California, Berkeley and its contributors.
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# 4. Neither the name of the University nor the names of its contributors
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# may be used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# @(#)MAKEDEV 5.5 (Berkeley) 5/28/91
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#
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###########################################################################
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#
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# PLEASE RUN "cd ../share/man/man8 ; make makedevs"
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# AFTER CHANGING THIS FILE, AND COMMIT THE UPDATED MANPAGE!
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#
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###########################################################################
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#
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# Device "make" file. Valid arguments:
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# std standard devices
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# local configuration specific devices
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# Tapes:
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# st* SCSI tape
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# Disks:
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# sd* SCSI disks
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# vnd* "file" pseudo-disks
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# ccd* concatenated disk driver
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# cgd* cryptographic disk driver
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# raid* RAIDframe disk driver
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# md* memory pseudo-disk devices
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# Pseudo terminals:
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# pty* set of 16 master and slave pseudo terminals
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# Special purpose devices:
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# bpf* packet filter
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# lkm loadable kernel modules interface
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# tun* network tunnel driver
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# random Random number generator
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# scsibus* SCSI busses, see scsictl(8), scsi(4)
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# systrace syscall tracer
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PATH=/sbin:/bin:/usr/sbin:/usr/bin
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umask 77
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# Check if we have fdesc mounted
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if [ -d fd ]; then
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case "`df fd`" in
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*fdesc*) nofdesc=false;;
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*) nofdesc=true;;
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esac
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else
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nofdesc=true
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fi
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# set this to echo for Echo-Only debugging
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eo=
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# mk name b/c major minor [mode] [group]
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mk() {
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$eo rm -f $1
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$eo mknod $1 $2 $3 $4
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$eo chmod ${5-666} $1
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test -n "$6" && $eo chgrp $6 $1
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return 0
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}
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makedev()
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{
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for arg
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do
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unit=`expr $arg : '[a-z][a-z]*\([0-9][0-9]*\)'`
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[ "$unit" ] || unit=0
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case $arg in
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all)
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makedev std pty0 pty1 pty2 pty3
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makedev raid0 raid1 raid2 raid3
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makedev sd0 sd1 sd2 sd3 sd4 sd5 sd6
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makedev cd0 cd1 st0 st1 st2 md0 md1
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makedev vnd0 vnd1 vnd2 vnd3 ccd0 ccd1 ccd2 ccd3
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makedev cgd0 cgd1 cgd2 cgd3
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makedev bpf0 bpf1 bpf2 bpf3 bpf4 bpf5 bpf6 bpf7
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makedev tun0 tun1
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makedev lkm random
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makedev scsibus0 scsibus1 scsibus2 scsibus3
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makedev local
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makedev systrace
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;;
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std)
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mk console c 0 0 622
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mk tty c 1 0
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mk mem c 2 0 640 kmem
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mk kmem c 2 1 640 kmem
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mk null c 2 2
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mk zero c 2 12
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mk drum c 3 0 640 kmem
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mk klog c 6 0 600
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mk stdin c 16 0
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mk stdout c 16 1
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mk stderr c 16 2
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;;
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bpf*)
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mk bpf$unit c 17 $unit 600
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;;
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tun*)
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mk tun$unit c 18 $unit 600
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;;
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pty*)
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class=${i#pty}
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name=`echo pqrstuvwxyzPQRST | dd bs=1 count=1 skip=$class 2>/dev/null`
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case $name in
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v) echo "$0: $i: pty unit conflicts with console ttyv0 device."
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continue;;
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?) ;;
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*) echo "$0: $i: pty unit must be between 0 and 15"
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continue ;;
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esac
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rm -f tty$name[0-9a-zA-Z] pty$name[0-9a-zA-Z]
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jn=0
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while [ $jn -lt 62 ]
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do
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j=`echo 0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ | dd bs=1 count=1 skip=$jn 2>/dev/null`
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skip=0
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if [ $jn -ge 16 ]; then
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skip=$(($class * 30 + 256 - 16))
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fi
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unit=$(($class * 62 + $jn + $skip))
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mknod tty$name$j c 4 $unit
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mknod pty$name$j c 5 $unit
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jn=$(($jn + 1))
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done
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chmod 666 tty$name[0-9a-zA-Z] pty$name[0-9a-zA-Z]
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;;
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raid*)
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# XXX fredette - need to reenable raid below, readd to case arm:
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;;
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ccd*|cgd*|cd*|fd*|sd*|vnd*)
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case $arg in
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ccd*) name=ccd; blk=1; chr=7;;
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cgd*) name=cgd; blk=8; chr=35;;
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cd*) name=cd; blk=6; chr=12;;
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fd*) name=fd; blk=7; chr=24;;
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# raid*) name=raid; blk=25; chr=82;;
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sd*) name=sd; blk=4; chr=10;;
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vnd*) name=vnd; blk=2; chr=8;;
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esac
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case $unit in
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[0-7]) offset=$(($unit * 16));;
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*) echo bad unit for $name in: $arg;;
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esac
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for part in a.0 b.1 c.2 d.3 e.4 f.5 g.6 h.7 i.8 j.9 k.10 l.11 m.12 n.13 o.14 p.15
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do
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(
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tmp="$IFS" ; IFS="$IFS."
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set -- $part
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IFS="$tmp" ; unset tmp
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minor=$(($offset + $2))
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mk $name$unit$1 b $blk $minor 640 operator
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mk r$name$unit$1 c $chr $minor 640 operator
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)
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done
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;;
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st*)
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name=st; blk=5; chr=11
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mk r$name$unit c $chr $(($unit * 16 + 0)) 660 operator
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mk nr$name$unit c $chr $(($unit * 16 + 1)) 660 operator
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mk er$name$unit c $chr $(($unit * 16 + 2)) 660 operator
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mk enr$name$unit c $chr $(($unit * 16 + 3)) 660 operator
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;;
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fd)
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if $nofdesc; then
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rm -f fd/*
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mkdir fd 2>/dev/null
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n=0
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while [ $n -lt 64 ]; do
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mknod fd/$n c 16 $n
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n=$(($n + 1))
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done
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chmod 755 fd
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chmod 666 fd/*
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fi
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;;
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# XXX fredette - MD devices could go here:
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md*)
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# XXX fredette - need to put in MD:
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# name=md; blk=13; chr=52
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# mk md${unit}a b $blk $(($unit * 16 + 0)) 640 operator
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# mk md${unit}c b $blk $(($unit * 16 + 2)) 640 operator
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## mk rmd${unit}a c $chr $(($unit * 16 + 0)) 640 operator
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## mk rmd${unit}c c $chr $(($unit * 16 + 2)) 640 operator
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;;
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lkm)
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mk lkm c 19 0 640 kmem
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;;
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random)
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mk random c 20 0 444
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mk urandom c 20 1
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;;
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scsibus*)
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# XXX fredette - need to put in scsibus:
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# mk scsibus${unit} c 81 $unit 644
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;;
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systrace)
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rm -f systrace
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mknod systrace c 34 0
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chmod 644 systrace
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;;
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local)
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if [ -f "$0.local" ]; then
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umask 0
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sh $0.local all
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umask 77
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fi
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;;
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*)
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echo $arg: unknown device
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;;
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esac
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done
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}
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makedev $*
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