258 lines
6.5 KiB
Bash
Executable file
258 lines
6.5 KiB
Bash
Executable file
#!/bin/sh
|
|
#
|
|
# MAKEDEV 3.3 - Make special devices. Author: Kees J. Bot
|
|
|
|
case $1 in
|
|
-n) e=echo; shift ;; # Just echo when -n is given.
|
|
*) e=
|
|
esac
|
|
|
|
case $#:$1 in
|
|
1:std) # Standard devices.
|
|
set -$- mem fd0 fd1 fd0p0 fd1p0 \
|
|
c0d0 c0d0p0 c0d0p0s0 c0d1 c0d1p0 c0d1p0s0 \
|
|
c0d2 c0d2p0 c0d2p0s0 c0d3 c0d3p0 c0d3p0s0 \
|
|
c0d4 c0d4p0 c0d4p0s0 c0d5 c0d5p0 c0d5p0s0 \
|
|
c0d6 c0d6p0 c0d6p0s0 c0d7 c0d7p0 c0d7p0s0 \
|
|
tty ttyc1 ttyc2 ttyc3 tty00 tty01 tty02 tty03 ttyp0 ttyp1 ttyp2 ttyp3 \
|
|
eth klog random cmos kbd kbdaux rescue
|
|
;;
|
|
0:|1:-\?)
|
|
cat >&2 <<EOF
|
|
Usage: $0 [-n] key ...
|
|
Where key is one of the following:
|
|
ram mem kmem null boot zero # One of these makes all these memory devices
|
|
fd0 fd1 ... # Floppy devices for drive 0, 1, ...
|
|
fd0p0 fd1p0 ... # Make floppy partitions fd0p[0-3], fd1p[0-3], ...
|
|
c0d0 c0d1 ... # Make disks c0d0, c0d1, ...
|
|
c0d0p0 c0d1p0 ... # Make partitions c0d0p[0-3], c0d1p[0-3], ...
|
|
c0d0p0s0 c0d1p0s0 ... # Subparts c0d0p[0-3]s[0-3], c0d1p[0-3]s[0-3], ...
|
|
c1d0(p0)(s0) # Likewise for controller 1
|
|
c0t0 c0t1 c1t0 ... # Make tape devices c0t0, c0t0n, c0t1, ...
|
|
console lp tty log # One of these makes all four
|
|
ttyc1 ... ttyc7 # Virtual consoles
|
|
tty00 ... tty03 # Make serial lines
|
|
ttyp0 ... ttyq0 ... # Make tty, pty pairs
|
|
eth ip tcp udp # One of these makes some TCP/IP devices
|
|
audio mixer # Make audio devices
|
|
klog # Make /dev/klog
|
|
random # Make /dev/random, /dev/urandom
|
|
cmos # Make /dev/cmos
|
|
rescue # Make /dev/rescue
|
|
kbd # Make /dev/kbd
|
|
kbdaux # Make /dev/kbdaux
|
|
std # All standard devices
|
|
EOF
|
|
exit 1
|
|
esac
|
|
|
|
umask 077
|
|
ex=0
|
|
|
|
for dev
|
|
do
|
|
case $dev in # One of the controllers? Precompute major device nr.
|
|
c0*) maj=3 ;;
|
|
c1*) maj=8 ;;
|
|
c2*) maj=10 ;;
|
|
c3*) maj=12 ;;
|
|
esac
|
|
|
|
case $dev in
|
|
ram|mem|kmem|null|boot|zero)
|
|
# Memory devices.
|
|
#
|
|
$e mknod ram b 1 0; $e chmod 600 ram
|
|
$e mknod mem c 1 1; $e chmod 640 mem
|
|
$e mknod kmem c 1 2; $e chmod 640 kmem
|
|
$e mknod null c 1 3; $e chmod 666 null
|
|
$e mknod boot b 1 4; $e chmod 600 ram
|
|
$e mknod zero c 1 5; $e chmod 644 zero
|
|
$e chgrp kmem ram mem kmem null boot zero
|
|
;;
|
|
fd[0-3])
|
|
# Floppy disk drive n.
|
|
#
|
|
d=`expr $dev : '.*\\(.\\)'` # Drive number.
|
|
$e mknod $dev b 2 $d
|
|
$e chmod 666 $dev
|
|
;;
|
|
pc[0-3]|at[0-3]|qd[0-3]|ps[0-3]|pat[0-3]|qh[0-3]|PS[0-3])
|
|
# Obsolete density locked floppy disk drive n.
|
|
#
|
|
d=`expr $dev : '.*\\(.\\)'` # Drive number.
|
|
m=$d # Minor device number.
|
|
|
|
$e mknod pc$d b 2 $m; m=`expr $m + 4`
|
|
$e mknod at$d b 2 $m; m=`expr $m + 4`
|
|
$e mknod qd$d b 2 $m; m=`expr $m + 4`
|
|
$e mknod ps$d b 2 $m; m=`expr $m + 4`
|
|
$e mknod pat$d b 2 $m; m=`expr $m + 4`
|
|
$e mknod qh$d b 2 $m; m=`expr $m + 4`
|
|
$e mknod PS$d b 2 $m; m=`expr $m + 4`
|
|
|
|
$e chmod 666 pc$d at$d qd$d ps$d pat$d qh$d PS$d
|
|
;;
|
|
fd[0-3]p[0-3])
|
|
# Floppy disk partitions.
|
|
#
|
|
n=`expr $dev : '\\(.*\\)..'` # Name prefix.
|
|
d=`expr $dev : '..\\(.\\)'` # Drive number.
|
|
m=`expr 112 + $d` # Minor of partition 0.
|
|
alldev=
|
|
|
|
for p in 0 1 2 3
|
|
do
|
|
m=`expr 112 + $d + $p '*' 4` # Minor of partition $p.
|
|
$e mknod ${n}p${p} b 2 $m # Make e.g. fd0p0 - fd0p3
|
|
alldev="$alldev ${n}p${p}"
|
|
done
|
|
$e chmod 666 $alldev
|
|
;;
|
|
c[0-3]d[0-7])
|
|
# Whole disk devices.
|
|
d=`expr $dev : '...\\(.\\)'` # Disk number.
|
|
m=`expr $d '*' 5` # Minor device number.
|
|
$e mknod $dev b $maj $m
|
|
$e chmod 600 $dev
|
|
;;
|
|
c[0-3]d[0-7]p[0-3])
|
|
# Disk primary partitions.
|
|
n=`expr $dev : '\\(.*\\).'` # Name prefix.
|
|
d=`expr $dev : '...\\(.\\)'` # Disk number.
|
|
alldev=
|
|
|
|
for p in 0 1 2 3
|
|
do
|
|
m=`expr $d '*' 5 + 1 + $p` # Minor device number.
|
|
$e mknod $n$p b $maj $m
|
|
alldev="$alldev $n$p"
|
|
done
|
|
$e chmod 600 $alldev
|
|
;;
|
|
c[0-3]d[0-7]p[0-3]s[0-3])
|
|
# Disk subpartition.
|
|
n=`expr $dev : '\\(.*\\)...'` # Name prefix.
|
|
d=`expr $dev : '...\\(.\\)'` # Disk number.
|
|
alldev=
|
|
|
|
for p in 0 1 2 3
|
|
do
|
|
for s in 0 1 2 3
|
|
do
|
|
m=`expr 128 + $d '*' 16 + $p '*' 4 + $s` # Minor device nr.
|
|
$e mknod ${n}${p}s${s} b $maj $m
|
|
alldev="$alldev ${n}${p}s${s}"
|
|
done
|
|
done
|
|
$e chmod 600 $alldev
|
|
;;
|
|
c[0-3]t[0-7]|c[0-3]t[0-7]n)
|
|
# Tape devices.
|
|
n=`expr $dev : '\\(....\\)'` # Name prefix.
|
|
t=`expr $dev : '...\\(.\\)'` # Tape number.
|
|
m=`expr 64 + $t '*' 2` # Minor device number.
|
|
$e mknod ${n}n c $maj $m
|
|
$e mknod ${n} c $maj `expr $m + 1`
|
|
$e chmod 660 ${n}n ${n}
|
|
;;
|
|
console|lp|tty|log|kbd|kbdaux)
|
|
# Console, line printer, anonymous tty, diagnostics device,
|
|
# raw keyboard, ps/2 mouse.
|
|
$e mknod console c 4 0
|
|
$e chmod 600 console
|
|
$e chgrp tty console
|
|
$e mknod tty c 5 0
|
|
$e chmod 666 tty
|
|
$e mknod lp c 6 0
|
|
$e chown daemon lp
|
|
$e chgrp daemon lp
|
|
$e chmod 200 lp
|
|
$e mknod log c 4 15
|
|
$e chmod 222 log
|
|
$e mknod kbd c 4 13
|
|
$e mknod kbdaux c 4 14
|
|
$e chmod 660 kbd kbdaux
|
|
$e chgrp operator kbd kbdaux
|
|
;;
|
|
ttyc[1-7])
|
|
# Virtual consoles.
|
|
#
|
|
m=`expr $dev : '....\\(.*\\)'` # Minor device number.
|
|
$e mknod $dev c 4 $m
|
|
$e chgrp tty $dev
|
|
$e chmod 600 $dev
|
|
;;
|
|
tty0[0-3])
|
|
# Serial lines.
|
|
#
|
|
n=`expr $dev : '.*\\(.\\)'`
|
|
$e mknod $dev c 4 `expr $n + 16`
|
|
$e chmod 666 $dev
|
|
$e chgrp tty $dev
|
|
;;
|
|
tty[p-s][0-9a-f]|pty[p-s][0-9a-f])
|
|
# Pseudo ttys.
|
|
#
|
|
dev=`expr $dev : '...\\(..\\)'`
|
|
g=`expr $dev : '\\(.\\)'` # Which group.
|
|
g=`echo $g | tr 'pqrs' '0123'`
|
|
n=`expr $dev : '.\\(.\\)'` # Which pty in the group.
|
|
case $n in
|
|
[a-f]) n=1`echo $n | tr 'abcdef' '012345'`
|
|
esac
|
|
|
|
$e mknod tty$dev c 4 `expr $g '*' 16 + $n + 128`
|
|
$e mknod pty$dev c 4 `expr $g '*' 16 + $n + 192`
|
|
$e chgrp tty tty$dev pty$dev
|
|
$e chmod 666 tty$dev pty$dev
|
|
;;
|
|
eth|ip|tcp|udp|eth0|ip0|tcp0|udp0)
|
|
# TCP/IP devices.
|
|
#
|
|
$e mknod eth0 c 7 0 # Network 0 (Ethernet)
|
|
$e mknod ip0 c 7 1
|
|
$e mknod tcp0 c 7 2
|
|
$e mknod udp0 c 7 3
|
|
$e chmod 600 eth0 ip0
|
|
$e chmod 666 tcp0 udp0
|
|
$e ln -f eth0 eth # Default interface
|
|
$e ln -f ip0 ip
|
|
$e ln -f tcp0 tcp
|
|
$e ln -f udp0 udp
|
|
;;
|
|
audio|mixer)
|
|
# Audio devices.
|
|
#
|
|
$e mknod audio c 13 0
|
|
$e mknod mixer c 14 0
|
|
$e chmod 666 audio mixer
|
|
;;
|
|
random|urandom)
|
|
# random data generator.
|
|
$e mknod random c 16 0; $e chmod 644 random
|
|
$e mknod urandom c 16 0; $e chmod 644 urandom
|
|
$e chgrp operator random urandom
|
|
;;
|
|
cmos)
|
|
# cmos device (set/get system time).
|
|
$e mknod cmos c 17 0
|
|
$e chmod 600 cmos
|
|
;;
|
|
rescue)
|
|
# rescue device
|
|
$e mknod rescue b 9 0
|
|
$e chmod 644 rescue
|
|
;;
|
|
klog)
|
|
# logging device.
|
|
$e mknod klog c 15 0
|
|
$e chmod 600 klog
|
|
;;
|
|
*)
|
|
echo "$0: don't know about $dev" >&2
|
|
ex=1
|
|
esac
|
|
done
|
|
|
|
exit $ex
|