commands/MAKEDEV/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 uds filter fbd 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   uds                     # Make /dev/uds
  49   kbd                     # Make /dev/kbd
  50   kbdaux                  # Make /dev/kbdaux
  51   filter                  # Make /dev/filter
  52   fbd                     # Make /dev/fbd
  53   hello                   # Make /dev/hello
  54   video                   # Make /dev/video
  55   std                     # All standard devices
  56 EOF
  57     exit 1
  58 esac
  59
  60 umask 077
  61 ex=0
  62
  63 for dev
  64 do
  65     case $dev in        # One of the controllers?  Precompute major device nr.
  66     c0*) maj=3  ;;
  67     c1*) maj=8  ;;
  68     c2*) maj=10 ;;
  69     c3*) maj=12 ;;
  70     esac
  71
  72     case $dev in
  73     ram|mem|kmem|null|boot|zero|imgrd)
  74         # Memory devices.
  75         #
  76         $e mknod ram b 1 0;     $e chmod 600 ram
  77         $e mknod mem c 1 1;     $e chmod 640 mem
  78         $e mknod kmem c 1 2;    $e chmod 640 kmem
  79         $e mknod null c 1 3;    $e chmod 666 null
  80         $e mknod boot b 1 4;    $e chmod 600 ram
  81         $e mknod zero c 1 5;    $e chmod 644 zero
  82         $e mknod imgrd b 1 6;   $e chmod 644 zero
  83         for n in 0 1 2 3 4 5
  84         do      $e mknod ram$n b 1 $((7+$n));   $e chmod 600 ram$n
  85         done
  86         $e chgrp kmem ram* mem kmem null boot zero imgrd
  87         ;;
  88     fd[0-3])
  89         # Floppy disk drive n.
  90         #
  91         d=`expr $dev : '.*\\(.\\)'`     # Drive number.
  92         $e mknod $dev  b 2 $d
  93         $e chmod 666 $dev
  94         ;;
  95     pc[0-3]|at[0-3]|qd[0-3]|ps[0-3]|pat[0-3]|qh[0-3]|PS[0-3])
  96         # Obsolete density locked floppy disk drive n.
  97         #
  98         d=`expr $dev : '.*\\(.\\)'`     # Drive number.
  99         m=$d                            # Minor device number.
 100
 101         $e mknod pc$d  b 2 $m;  m=`expr $m + 4`
 102         $e mknod at$d  b 2 $m;  m=`expr $m + 4`
 103         $e mknod qd$d  b 2 $m;  m=`expr $m + 4`
 104         $e mknod ps$d  b 2 $m;  m=`expr $m + 4`
 105         $e mknod pat$d b 2 $m;  m=`expr $m + 4`
 106         $e mknod qh$d  b 2 $m;  m=`expr $m + 4`
 107         $e mknod PS$d  b 2 $m;  m=`expr $m + 4`
 108
 109         $e chmod 666 pc$d at$d qd$d ps$d pat$d qh$d PS$d
 110         ;;
 111     fd[0-3]p[0-3])
 112         # Floppy disk partitions.
 113         #
 114         n=`expr $dev : '\\(.*\\)..'`    # Name prefix.
 115         d=`expr $dev : '..\\(.\\)'`     # Drive number.
 116         m=`expr 112 + $d`               # Minor of partition 0.
 117         alldev=
 118
 119         for p in 0 1 2 3
 120         do
 121             m=`expr 112 + $d + $p '*' 4` # Minor of partition $p.
 122             $e mknod ${n}p${p} b 2 $m   # Make e.g. fd0p0 - fd0p3
 123             alldev="$alldev ${n}p${p}"
 124         done
 125         $e chmod 666 $alldev
 126         ;;
 127     c[0-3]d[0-7])
 128         # Whole disk devices.
 129         d=`expr $dev : '...\\(.\\)'`    # Disk number.
 130         m=`expr $d '*' 5`               # Minor device number.
 131         $e mknod $dev b $maj $m
 132         $e chmod 600 $dev
 133         ;;
 134     c[0-3]d[0-7]p[0-3])
 135         # Disk primary partitions.
 136         n=`expr $dev : '\\(.*\\).'`     # Name prefix.
 137         d=`expr $dev : '...\\(.\\)'`    # Disk number.
 138         alldev=
 139
 140         for p in 0 1 2 3
 141         do
 142             m=`expr $d '*' 5 + 1 + $p`  # Minor device number.
 143             $e mknod $n$p b $maj $m
 144             alldev="$alldev $n$p"
 145         done
 146         echo $alldev | xargs $e chmod 600
 147         ;;
 148     c[0-3]d[0-7]p[0-3]s[0-3])
 149         # Disk subpartition.
 150         n=`expr $dev : '\\(.*\\)...'`   # Name prefix.
 151         d=`expr $dev : '...\\(.\\)'`    # Disk number.
 152         alldev=
 153
 154         for p in 0 1 2 3
 155         do
 156             for s in 0 1 2 3
 157             do
 158                 m=`expr 128 + $d '*' 16 + $p '*' 4 + $s`  # Minor device nr.
 159                 $e mknod ${n}${p}s${s} b $maj $m
 160                 alldev="$alldev ${n}${p}s${s}"
 161             done
 162         done
 163         echo $alldev | xargs $e chmod 600
 164         ;;
 165     c[0-3]t[0-7]|c[0-3]t[0-7]n)
 166         # Tape devices.
 167         n=`expr $dev : '\\(....\\)'`    # Name prefix.
 168         t=`expr $dev : '...\\(.\\)'`    # Tape number.
 169         m=`expr 64 + $t '*' 2`          # Minor device number.
 170         $e mknod ${n}n c $maj $m
 171         $e mknod ${n} c $maj `expr $m + 1`
 172         $e chmod 660 ${n}n ${n}
 173         ;;
 174     console|lp|tty|log|kbd|kbdaux|video)
 175         # Console, line printer, anonymous tty, diagnostics device,
 176         # raw keyboard, ps/2 mouse, video.
 177         $e mknod console c 4 0
 178         $e chmod 600 console
 179         $e chgrp tty console
 180         $e mknod tty c 5 0
 181         $e chmod 666 tty
 182         $e mknod lp c 6 0
 183         $e chown daemon lp
 184         $e chgrp daemon lp
 185         $e chmod 200 lp
 186         $e mknod log c 4 15
 187         $e chmod 222 log
 188         $e mknod kbd c 4 127
 189         $e mknod kbdaux c 4 126
 190         $e chmod 660 kbd kbdaux
 191         $e chgrp operator kbd kbdaux
 192         $e mknod video c 4 125
 193         $e chmod 600 video
 194         $e chgrp operator video
 195         ;;
 196     ttyc[1-7])
 197         # Virtual consoles.
 198         #
 199         m=`expr $dev : '....\\(.*\\)'`  # Minor device number.
 200         $e mknod $dev c 4 $m
 201         $e chgrp tty $dev
 202         $e chmod 600 $dev
 203         ;;
 204     tty0[0-3])
 205         # Serial lines.
 206         #
 207         n=`expr $dev : '.*\\(.\\)'`
 208         $e mknod $dev c 4 `expr $n + 16`
 209         $e chmod 666 $dev
 210         $e chgrp tty $dev
 211         ;;
 212     tty[p-s][0-9a-f]|pty[p-s][0-9a-f])
 213         # Pseudo ttys.
 214         #
 215         dev=`expr $dev : '...\\(..\\)'`
 216         g=`expr $dev : '\\(.\\)'`       # Which group.
 217         g=`echo $g | tr 'pqrs' '0123'`
 218         n=`expr $dev : '.\\(.\\)'`      # Which pty in the group.
 219         case $n in
 220         [a-f])  n=1`/bin/echo $n | tr 'abcdef' '012345'`
 221         esac
 222
 223         $e mknod tty$dev c 4 `expr $g '*' 16 + $n + 128`
 224         $e mknod pty$dev c 4 `expr $g '*' 16 + $n + 192`
 225         $e chgrp tty tty$dev pty$dev
 226         $e chmod 666 tty$dev pty$dev
 227         ;;
 228     eth|ip|tcp|udp|eth0|ip0|tcp0|udp0)
 229         # TCP/IP devices.
 230         #
 231         $e mknod eth0 c 7 0             # Network 0 (Ethernet)
 232         $e mknod ip0 c 7 1
 233         $e mknod tcp0 c 7 2
 234         $e mknod udp0 c 7 3
 235         $e chmod 600 eth0 ip0
 236         $e chmod 666 tcp0 udp0
 237         $e ln -f eth0 eth               # Default interface
 238         $e ln -f ip0 ip
 239         $e ln -f tcp0 tcp
 240         $e ln -f udp0 udp
 241         ;;
 242     audio|mixer)
 243         # Audio devices.
 244         #
 245    $e mknod audio c 13 0
 246    $e mknod mixer c 13 1
 247    $e chmod 666 audio mixer
 248         ;;
 249     random|urandom)
 250         # random data generator.
 251         $e mknod random c 16 0; $e chmod 644 random
 252         $e mknod urandom c 16 0; $e chmod 644 urandom
 253         $e chgrp operator random urandom
 254         ;;
 255     uds)
 256         # unix domain sockets device
 257         $e mknod uds c 18 0;    $e chmod 644 random
 258         $e chgrp operator uds
 259         $e chmod 666 uds
 260         ;;
 261     klog)
 262         # logging device.
 263         $e mknod klog c 15 0
 264         $e chmod 600 klog
 265         ;;
 266     filter)
 267         # filter driver
 268         $e mknod filter b 11 0
 269         $e chmod 600 filter
 270         ;;
 271     fbd)
 272         # faulty block device driver
 273         $e mknod fbd b 14 0
 274         $e chmod 600 fbd
 275         ;;
 276     hello)
 277         # hello driver
 278         $e mknod hello c 17 0
 279         $e chmod 644 hello
 280         ;;
 281     *)
 282         echo "$0: don't know about $dev" >&2
 283         ex=1
 284     esac
 285 done
 286
 287 exit $ex