| 1 | #!/bin/sh
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| 2 | #
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| 3 | # MAKEDEV 3.3 - Make special devices. Author: Kees J. Bot
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| 4 |
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| 5 | case $1 in
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| 6 | -n) e=echo; shift ;; # Just echo when -n is given.
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| 7 | *) e=
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| 8 | esac
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| 9 |
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| 10 | case $#:$1 in
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| 11 | 1:std) # Standard devices.
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| 12 | set -$- mem fd0 fd1 fd0p0 fd1p0 \
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| 13 | c0d0 c0d0p0 c0d0p0s0 c0d1 c0d1p0 c0d1p0s0 \
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| 14 | c0d2 c0d2p0 c0d2p0s0 c0d3 c0d3p0 c0d3p0s0 \
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| 15 | c0d4 c0d4p0 c0d4p0s0 c0d5 c0d5p0 c0d5p0s0 \
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| 16 | c0d6 c0d6p0 c0d6p0s0 c0d7 c0d7p0 c0d7p0s0 \
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| 17 | tty ttyc1 ttyc2 ttyc3 tty00 tty01 tty02 tty03 \
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| 18 | ttyp0 ttyp1 ttyp2 ttyp3 ttyp4 ttyp5 ttyp6 ttyp7 ttyp8 ttyp9 \
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| 19 | ttypa ttypb ttypc ttypd ttype ttypf \
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| 20 | ttyq0 ttyq1 ttyq2 ttyq3 ttyq4 ttyq5 ttyq6 ttyq7 ttyq8 ttyq9 \
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| 21 | ttyqa ttyqb ttyqc ttyqd ttyqe ttyqf \
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| 22 | eth klog random cmos rescue
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| 23 | ;;
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| 24 | 0:|1:-\?)
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| 25 | cat >&2 <<EOF
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| 26 | Usage: $0 [-n] key ...
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| 27 | Where key is one of the following:
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| 28 | ram mem kmem null boot zero # One of these makes all these memory devices
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| 29 | fd0 fd1 ... # Floppy devices for drive 0, 1, ...
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| 30 | fd0p0 fd1p0 ... # Make floppy partitions fd0p[0-3], fd1p[0-3], ...
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| 31 | c0d0 c0d1 ... # Make disks c0d0, c0d1, ...
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| 32 | c0d0p0 c0d1p0 ... # Make partitions c0d0p[0-3], c0d1p[0-3], ...
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| 33 | c0d0p0s0 c0d1p0s0 ... # Subparts c0d0p[0-3]s[0-3], c0d1p[0-3]s[0-3], ...
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| 34 | c1d0(p0)(s0) # Likewise for controller 1
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| 35 | c0t0 c0t1 c1t0 ... # Make tape devices c0t0, c0t0n, c0t1, ...
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| 36 | console lp tty log # One of these makes all four
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| 37 | ttyc1 ... ttyc7 # Virtual consoles
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| 38 | tty00 ... tty03 # Make serial lines
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| 39 | ttyp0 ... ttyq0 ... # Make tty, pty pairs
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| 40 | eth ip tcp udp # One of these makes some TCP/IP devices
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| 41 | audio mixer # Make audio devices
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| 42 | klog # Make /dev/klog
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| 43 | random # Make /dev/random, /dev/urandom
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| 44 | cmos # Make /dev/cmos
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| 45 | kbd # Make /dev/kbd
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| 46 | kbdaux # Make /dev/kbdaux
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| 47 | rescue # Make /dev/rescue
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| 48 | video # Make /dev/video
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| 49 | std # All standard devices
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| 50 | EOF
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| 51 | exit 1
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| 52 | esac
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| 53 |
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| 54 | umask 077
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| 55 | ex=0
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| 56 |
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| 57 | for dev
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| 58 | do
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| 59 | case $dev in # One of the controllers? Precompute major device nr.
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| 60 | c0*) maj=3 ;;
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| 61 | c1*) maj=8 ;;
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| 62 | c2*) maj=10 ;;
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| 63 | c3*) maj=12 ;;
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| 64 | esac
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| 65 |
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| 66 | case $dev in
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| 67 | ram|mem|kmem|null|boot|zero)
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| 68 | # Memory devices.
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| 69 | #
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| 70 | $e mknod ram b 1 0; $e chmod 600 ram
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| 71 | $e mknod mem c 1 1; $e chmod 640 mem
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| 72 | $e mknod kmem c 1 2; $e chmod 640 kmem
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| 73 | $e mknod null c 1 3; $e chmod 666 null
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| 74 | $e mknod boot b 1 4; $e chmod 600 ram
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| 75 | $e mknod zero c 1 5; $e chmod 644 zero
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| 76 | $e chgrp kmem ram mem kmem null boot zero
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| 77 | ;;
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| 78 | fd[0-3])
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| 79 | # Floppy disk drive n.
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| 80 | #
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| 81 | d=`expr $dev : '.*\\(.\\)'` # Drive number.
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| 82 | $e mknod $dev b 2 $d
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| 83 | $e chmod 666 $dev
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| 84 | ;;
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| 85 | pc[0-3]|at[0-3]|qd[0-3]|ps[0-3]|pat[0-3]|qh[0-3]|PS[0-3])
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| 86 | # Obsolete density locked floppy disk drive n.
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| 87 | #
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| 88 | d=`expr $dev : '.*\\(.\\)'` # Drive number.
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| 89 | m=$d # Minor device number.
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| 90 |
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| 91 | $e mknod pc$d b 2 $m; m=`expr $m + 4`
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| 92 | $e mknod at$d b 2 $m; m=`expr $m + 4`
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| 93 | $e mknod qd$d b 2 $m; m=`expr $m + 4`
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| 94 | $e mknod ps$d b 2 $m; m=`expr $m + 4`
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| 95 | $e mknod pat$d b 2 $m; m=`expr $m + 4`
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| 96 | $e mknod qh$d b 2 $m; m=`expr $m + 4`
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| 97 | $e mknod PS$d b 2 $m; m=`expr $m + 4`
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| 98 |
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| 99 | $e chmod 666 pc$d at$d qd$d ps$d pat$d qh$d PS$d
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| 100 | ;;
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| 101 | fd[0-3]p[0-3])
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| 102 | # Floppy disk partitions.
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| 103 | #
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| 104 | n=`expr $dev : '\\(.*\\)..'` # Name prefix.
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| 105 | d=`expr $dev : '..\\(.\\)'` # Drive number.
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| 106 | m=`expr 112 + $d` # Minor of partition 0.
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| 107 | alldev=
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| 108 |
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| 109 | for p in 0 1 2 3
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| 110 | do
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| 111 | m=`expr 112 + $d + $p '*' 4` # Minor of partition $p.
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| 112 | $e mknod ${n}p${p} b 2 $m # Make e.g. fd0p0 - fd0p3
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| 113 | alldev="$alldev ${n}p${p}"
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| 114 | done
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| 115 | $e chmod 666 $alldev
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| 116 | ;;
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| 117 | c[0-3]d[0-7])
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| 118 | # Whole disk devices.
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| 119 | d=`expr $dev : '...\\(.\\)'` # Disk number.
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| 120 | m=`expr $d '*' 5` # Minor device number.
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| 121 | $e mknod $dev b $maj $m
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| 122 | $e chmod 600 $dev
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| 123 | ;;
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| 124 | c[0-3]d[0-7]p[0-3])
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| 125 | # Disk primary partitions.
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| 126 | n=`expr $dev : '\\(.*\\).'` # Name prefix.
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| 127 | d=`expr $dev : '...\\(.\\)'` # Disk number.
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| 128 | alldev=
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| 129 |
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| 130 | for p in 0 1 2 3
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| 131 | do
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| 132 | m=`expr $d '*' 5 + 1 + $p` # Minor device number.
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| 133 | $e mknod $n$p b $maj $m
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| 134 | alldev="$alldev $n$p"
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| 135 | done
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| 136 | $e chmod 600 $alldev
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| 137 | ;;
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| 138 | c[0-3]d[0-7]p[0-3]s[0-3])
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| 139 | # Disk subpartition.
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| 140 | n=`expr $dev : '\\(.*\\)...'` # Name prefix.
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| 141 | d=`expr $dev : '...\\(.\\)'` # Disk number.
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| 142 | alldev=
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| 143 |
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| 144 | for p in 0 1 2 3
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| 145 | do
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| 146 | for s in 0 1 2 3
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| 147 | do
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| 148 | m=`expr 128 + $d '*' 16 + $p '*' 4 + $s` # Minor device nr.
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| 149 | $e mknod ${n}${p}s${s} b $maj $m
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| 150 | alldev="$alldev ${n}${p}s${s}"
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| 151 | done
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| 152 | done
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| 153 | $e chmod 600 $alldev
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| 154 | ;;
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| 155 | c[0-3]t[0-7]|c[0-3]t[0-7]n)
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| 156 | # Tape devices.
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| 157 | n=`expr $dev : '\\(....\\)'` # Name prefix.
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| 158 | t=`expr $dev : '...\\(.\\)'` # Tape number.
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| 159 | m=`expr 64 + $t '*' 2` # Minor device number.
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| 160 | $e mknod ${n}n c $maj $m
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| 161 | $e mknod ${n} c $maj `expr $m + 1`
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| 162 | $e chmod 660 ${n}n ${n}
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| 163 | ;;
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| 164 | console|lp|tty|log|kbd|kbdaux|video)
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| 165 | # Console, line printer, anonymous tty, diagnostics device,
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| 166 | # raw keyboard, ps/2 mouse, video.
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| 167 | $e mknod console c 4 0
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| 168 | $e chmod 600 console
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| 169 | $e chgrp tty console
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| 170 | $e mknod tty c 5 0
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| 171 | $e chmod 666 tty
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| 172 | $e mknod lp c 6 0
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| 173 | $e chown daemon lp
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| 174 | $e chgrp daemon lp
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| 175 | $e chmod 200 lp
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| 176 | $e mknod log c 4 15
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| 177 | $e chmod 222 log
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| 178 | $e mknod kbd c 4 127
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| 179 | $e mknod kbdaux c 4 126
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| 180 | $e chmod 660 kbd kbdaux
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| 181 | $e chgrp operator kbd kbdaux
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| 182 | $e mknod video c 4 125
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| 183 | $e chmod 600 video
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| 184 | $e chgrp operator video
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| 185 | ;;
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| 186 | ttyc[1-7])
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| 187 | # Virtual consoles.
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| 188 | #
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| 189 | m=`expr $dev : '....\\(.*\\)'` # Minor device number.
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| 190 | $e mknod $dev c 4 $m
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| 191 | $e chgrp tty $dev
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| 192 | $e chmod 600 $dev
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| 193 | ;;
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| 194 | tty0[0-3])
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| 195 | # Serial lines.
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| 196 | #
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| 197 | n=`expr $dev : '.*\\(.\\)'`
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| 198 | $e mknod $dev c 4 `expr $n + 16`
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| 199 | $e chmod 666 $dev
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| 200 | $e chgrp tty $dev
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| 201 | ;;
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| 202 | tty[p-s][0-9a-f]|pty[p-s][0-9a-f])
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| 203 | # Pseudo ttys.
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| 204 | #
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| 205 | dev=`expr $dev : '...\\(..\\)'`
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| 206 | g=`expr $dev : '\\(.\\)'` # Which group.
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| 207 | g=`echo $g | tr 'pqrs' '0123'`
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| 208 | n=`expr $dev : '.\\(.\\)'` # Which pty in the group.
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| 209 | case $n in
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| 210 | [a-f]) n=1`echo $n | tr 'abcdef' '012345'`
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| 211 | esac
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| 212 |
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| 213 | $e mknod tty$dev c 4 `expr $g '*' 16 + $n + 128`
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| 214 | $e mknod pty$dev c 4 `expr $g '*' 16 + $n + 192`
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| 215 | $e chgrp tty tty$dev pty$dev
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| 216 | $e chmod 666 tty$dev pty$dev
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| 217 | ;;
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| 218 | eth|ip|tcp|udp|eth0|ip0|tcp0|udp0)
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| 219 | # TCP/IP devices.
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| 220 | #
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| 221 | $e mknod eth0 c 7 0 # Network 0 (Ethernet)
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| 222 | $e mknod ip0 c 7 1
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| 223 | $e mknod tcp0 c 7 2
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| 224 | $e mknod udp0 c 7 3
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| 225 | $e chmod 600 eth0 ip0
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| 226 | $e chmod 666 tcp0 udp0
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| 227 | $e ln -f eth0 eth # Default interface
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| 228 | $e ln -f ip0 ip
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| 229 | $e ln -f tcp0 tcp
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| 230 | $e ln -f udp0 udp
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| 231 | ;;
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| 232 | audio|mixer)
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| 233 | # Audio devices.
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| 234 | #
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| 235 | $e mknod audio c 13 0
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| 236 | $e mknod rec c 13 1
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| 237 | $e mknod mixer c 13 2
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| 238 | $e chmod 666 audio rec mixer
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| 239 | ;;
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| 240 | random|urandom)
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| 241 | # random data generator.
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| 242 | $e mknod random c 16 0; $e chmod 644 random
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| 243 | $e mknod urandom c 16 0; $e chmod 644 urandom
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| 244 | $e chgrp operator random urandom
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| 245 | ;;
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| 246 | cmos)
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| 247 | # cmos device (set/get system time).
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| 248 | $e mknod cmos c 17 0
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| 249 | $e chmod 600 cmos
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| 250 | ;;
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| 251 | rescue)
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| 252 | # rescue device
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| 253 | $e mknod rescue b 9 0
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| 254 | $e chmod 644 rescue
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| 255 | ;;
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| 256 | klog)
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| 257 | # logging device.
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| 258 | $e mknod klog c 15 0
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| 259 | $e chmod 600 klog
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| 260 | ;;
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| 261 | *)
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| 262 | echo "$0: don't know about $dev" >&2
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| 263 | ex=1
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| 264 | esac
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| 265 | done
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| 266 |
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| 267 | exit $ex
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