commands/scripts/MAKEDEV.sh

   1 #!/bin/sh
   2 #
   3 # MAKEDEV 3.3 - Make special devices.                   Author: Kees J. Bot
   4
   5 case $1 in
   6 -n)     e=echo; shift ;;        # Just echo when -n is given.
   7 *)      e=
   8 esac
   9
  10 case $#:$1 in
  11 1:std)          # Standard devices.
  12     set -$- mem fd0 fd1 fd0p0 fd1p0 \
  13         c0d0 c0d0p0 c0d0p0s0 c0d1 c0d1p0 c0d1p0s0 \
  14         c0d2 c0d2p0 c0d2p0s0 c0d3 c0d3p0 c0d3p0s0 \
  15         c0d4 c0d4p0 c0d4p0s0 c0d5 c0d5p0 c0d5p0s0 \
  16         c0d6 c0d6p0 c0d6p0s0 c0d7 c0d7p0 c0d7p0s0 \
  17         c1d0 c1d0p0 c1d0p0s0 c1d1 c1d1p0 c1d1p0s0 \
  18         c1d2 c1d2p0 c1d2p0s0 c1d3 c1d3p0 c1d3p0s0 \
  19         c1d4 c1d4p0 c1d4p0s0 c1d5 c1d5p0 c1d5p0s0 \
  20         c1d6 c1d6p0 c1d6p0s0 c1d7 c1d7p0 c1d7p0s0 \
  21         tty ttyc1 ttyc2 ttyc3 tty00 tty01 tty02 tty03 \
  22         ttyp0 ttyp1 ttyp2 ttyp3 ttyp4 ttyp5 ttyp6 ttyp7 ttyp8 ttyp9 \
  23         ttypa ttypb ttypc ttypd ttype ttypf \
  24         ttyq0 ttyq1 ttyq2 ttyq3 ttyq4 ttyq5 ttyq6 ttyq7 ttyq8 ttyq9 \
  25         ttyqa ttyqb ttyqc ttyqd ttyqe ttyqf \
  26         eth klog random filter hello
  27     ;;
  28 0:|1:-\?)
  29     cat >&2 <<EOF
  30 Usage:  $0 [-n] key ...
  31 Where key is one of the following:
  32   ram mem kmem null boot zero     # One of these makes all these memory devices
  33   fd0 fd1 ...             # Floppy devices for drive 0, 1, ...
  34   fd0p0 fd1p0 ...         # Make floppy partitions fd0p[0-3], fd1p[0-3], ...
  35   c0d0 c0d1 ...           # Make disks c0d0, c0d1, ...
  36   c0d0p0 c0d1p0 ...       # Make partitions c0d0p[0-3], c0d1p[0-3], ...
  37   c0d0p0s0 c0d1p0s0 ...   # Subparts c0d0p[0-3]s[0-3], c0d1p[0-3]s[0-3], ...
  38   c1d0(p0)(s0)            # Likewise for controller 1
  39   c0t0 c0t1 c1t0 ...      # Make tape devices c0t0, c0t0n, c0t1, ...
  40   console lp tty log      # One of these makes all four
  41   ttyc1 ... ttyc7         # Virtual consoles
  42   tty00 ... tty03         # Make serial lines
  43   ttyp0 ... ttyq0 ...     # Make tty, pty pairs
  44   eth ip tcp udp          # One of these makes some TCP/IP devices
  45   audio mixer             # Make audio devices
  46   klog                    # Make /dev/klog
  47   random                  # Make /dev/random, /dev/urandom
  48   kbd                     # Make /dev/kbd
  49   kbdaux                  # Make /dev/kbdaux
  50   filter                  # Make /dev/filter
  51   hello                   # Make /dev/hello
  52   video                   # Make /dev/video
  53   std                     # All standard devices
  54 EOF
  55     exit 1
  56 esac
  57
  58 umask 077
  59 ex=0
  60
  61 for dev
  62 do
  63     case $dev in        # One of the controllers?  Precompute major device nr.
  64     c0*) maj=3  ;;
  65     c1*) maj=8  ;;
  66     c2*) maj=10 ;;
  67     c3*) maj=12 ;;
  68     esac
  69
  70     case $dev in
  71     ram|mem|kmem|null|boot|zero|imgrd)
  72         # Memory devices.
  73         #
  74         $e mknod ram b 1 0;     $e chmod 600 ram
  75         $e mknod mem c 1 1;     $e chmod 640 mem
  76         $e mknod kmem c 1 2;    $e chmod 640 kmem
  77         $e mknod null c 1 3;    $e chmod 666 null
  78         $e mknod boot b 1 4;    $e chmod 600 ram
  79         $e mknod zero c 1 5;    $e chmod 644 zero
  80         $e mknod imgrd b 1 6;   $e chmod 644 zero
  81         for n in 0 1 2 3 4 5
  82         do      $e mknod ram$n b 1 $((7+$n));   $e chmod 600 ram$n
  83         done
  84         $e chgrp kmem ram* mem kmem null boot zero imgrd
  85         ;;
  86     fd[0-3])
  87         # Floppy disk drive n.
  88         #
  89         d=`expr $dev : '.*\\(.\\)'`     # Drive number.
  90         $e mknod $dev  b 2 $d
  91         $e chmod 666 $dev
  92         ;;
  93     pc[0-3]|at[0-3]|qd[0-3]|ps[0-3]|pat[0-3]|qh[0-3]|PS[0-3])
  94         # Obsolete density locked floppy disk drive n.
  95         #
  96         d=`expr $dev : '.*\\(.\\)'`     # Drive number.
  97         m=$d                            # Minor device number.
  98
  99         $e mknod pc$d  b 2 $m;  m=`expr $m + 4`
 100         $e mknod at$d  b 2 $m;  m=`expr $m + 4`
 101         $e mknod qd$d  b 2 $m;  m=`expr $m + 4`
 102         $e mknod ps$d  b 2 $m;  m=`expr $m + 4`
 103         $e mknod pat$d b 2 $m;  m=`expr $m + 4`
 104         $e mknod qh$d  b 2 $m;  m=`expr $m + 4`
 105         $e mknod PS$d  b 2 $m;  m=`expr $m + 4`
 106
 107         $e chmod 666 pc$d at$d qd$d ps$d pat$d qh$d PS$d
 108         ;;
 109     fd[0-3]p[0-3])
 110         # Floppy disk partitions.
 111         #
 112         n=`expr $dev : '\\(.*\\)..'`    # Name prefix.
 113         d=`expr $dev : '..\\(.\\)'`     # Drive number.
 114         m=`expr 112 + $d`               # Minor of partition 0.
 115         alldev=
 116
 117         for p in 0 1 2 3
 118         do
 119             m=`expr 112 + $d + $p '*' 4` # Minor of partition $p.
 120             $e mknod ${n}p${p} b 2 $m   # Make e.g. fd0p0 - fd0p3
 121             alldev="$alldev ${n}p${p}"
 122         done
 123         $e chmod 666 $alldev
 124         ;;
 125     c[0-3]d[0-7])
 126         # Whole disk devices.
 127         d=`expr $dev : '...\\(.\\)'`    # Disk number.
 128         m=`expr $d '*' 5`               # Minor device number.
 129         $e mknod $dev b $maj $m
 130         $e chmod 600 $dev
 131         ;;
 132     c[0-3]d[0-7]p[0-3])
 133         # Disk primary partitions.
 134         n=`expr $dev : '\\(.*\\).'`     # Name prefix.
 135         d=`expr $dev : '...\\(.\\)'`    # Disk number.
 136         alldev=
 137
 138         for p in 0 1 2 3
 139         do
 140             m=`expr $d '*' 5 + 1 + $p`  # Minor device number.
 141             $e mknod $n$p b $maj $m
 142             alldev="$alldev $n$p"
 143         done
 144         echo $alldev | xargs $e chmod 600
 145         ;;
 146     c[0-3]d[0-7]p[0-3]s[0-3])
 147         # Disk subpartition.
 148         n=`expr $dev : '\\(.*\\)...'`   # Name prefix.
 149         d=`expr $dev : '...\\(.\\)'`    # Disk number.
 150         alldev=
 151
 152         for p in 0 1 2 3
 153         do
 154             for s in 0 1 2 3
 155             do
 156                 m=`expr 128 + $d '*' 16 + $p '*' 4 + $s`  # Minor device nr.
 157                 $e mknod ${n}${p}s${s} b $maj $m
 158                 alldev="$alldev ${n}${p}s${s}"
 159             done
 160         done
 161         echo $alldev | xargs $e chmod 600
 162         ;;
 163     c[0-3]t[0-7]|c[0-3]t[0-7]n)
 164         # Tape devices.
 165         n=`expr $dev : '\\(....\\)'`    # Name prefix.
 166         t=`expr $dev : '...\\(.\\)'`    # Tape number.
 167         m=`expr 64 + $t '*' 2`          # Minor device number.
 168         $e mknod ${n}n c $maj $m
 169         $e mknod ${n} c $maj `expr $m + 1`
 170         $e chmod 660 ${n}n ${n}
 171         ;;
 172     console|lp|tty|log|kbd|kbdaux|video)
 173         # Console, line printer, anonymous tty, diagnostics device,
 174         # raw keyboard, ps/2 mouse, video.
 175         $e mknod console c 4 0
 176         $e chmod 600 console
 177         $e chgrp tty console
 178         $e mknod tty c 5 0
 179         $e chmod 666 tty
 180         $e mknod lp c 6 0
 181         $e chown daemon lp
 182         $e chgrp daemon lp
 183         $e chmod 200 lp
 184         $e mknod log c 4 15
 185         $e chmod 222 log
 186         $e mknod kbd c 4 127
 187         $e mknod kbdaux c 4 126
 188         $e chmod 660 kbd kbdaux
 189         $e chgrp operator kbd kbdaux
 190         $e mknod video c 4 125
 191         $e chmod 600 video
 192         $e chgrp operator video
 193         ;;
 194     ttyc[1-7])
 195         # Virtual consoles.
 196         #
 197         m=`expr $dev : '....\\(.*\\)'`  # Minor device number.
 198         $e mknod $dev c 4 $m
 199         $e chgrp tty $dev
 200         $e chmod 600 $dev
 201         ;;
 202     tty0[0-3])
 203         # Serial lines.
 204         #
 205         n=`expr $dev : '.*\\(.\\)'`
 206         $e mknod $dev c 4 `expr $n + 16`
 207         $e chmod 666 $dev
 208         $e chgrp tty $dev
 209         ;;
 210     tty[p-s][0-9a-f]|pty[p-s][0-9a-f])
 211         # Pseudo ttys.
 212         #
 213         dev=`expr $dev : '...\\(..\\)'`
 214         g=`expr $dev : '\\(.\\)'`       # Which group.
 215         g=`echo $g | tr 'pqrs' '0123'`
 216         n=`expr $dev : '.\\(.\\)'`      # Which pty in the group.
 217         case $n in
 218         [a-f])  n=1`/bin/echo $n | tr 'abcdef' '012345'`
 219         esac
 220
 221         $e mknod tty$dev c 4 `expr $g '*' 16 + $n + 128`
 222         $e mknod pty$dev c 4 `expr $g '*' 16 + $n + 192`
 223         $e chgrp tty tty$dev pty$dev
 224         $e chmod 666 tty$dev pty$dev
 225         ;;
 226     eth|ip|tcp|udp|eth0|ip0|tcp0|udp0)
 227         # TCP/IP devices.
 228         #
 229         $e mknod eth0 c 7 0             # Network 0 (Ethernet)
 230         $e mknod ip0 c 7 1
 231         $e mknod tcp0 c 7 2
 232         $e mknod udp0 c 7 3
 233         $e chmod 600 eth0 ip0
 234         $e chmod 666 tcp0 udp0
 235         $e ln -f eth0 eth               # Default interface
 236         $e ln -f ip0 ip
 237         $e ln -f tcp0 tcp
 238         $e ln -f udp0 udp
 239         ;;
 240     audio|mixer)
 241         # Audio devices.
 242         #
 243    $e mknod audio c 13 0
 244    $e mknod mixer c 13 1
 245    $e chmod 666 audio mixer
 246         ;;
 247     random|urandom)
 248         # random data generator.
 249         $e mknod random c 16 0; $e chmod 644 random
 250         $e mknod urandom c 16 0; $e chmod 644 urandom
 251         $e chgrp operator random urandom
 252         ;;
 253     klog)
 254         # logging device.
 255         $e mknod klog c 15 0
 256         $e chmod 600 klog
 257         ;;
 258     filter)
 259         # filter driver
 260         $e mknod filter b 11 0
 261         $e chmod 644 filter
 262         ;;
 263     hello)
 264         # hello driver
 265         $e mknod hello c 17 0
 266         $e chmod 644 hello
 267         ;;
 268     *)
 269         echo "$0: don't know about $dev" >&2
 270         ex=1
 271     esac
 272 done
 273
 274 exit $ex