1 #!/bin/sh 2 # 3 # config3270 -- Autoconfigure /dev/3270/* and /etc/inittab 4 # 5 # Usage: 6 # config3270 7 # 8 # Output: 9 # /tmp/mkdev3270 10 # 11 # Operation: 12 # 1. Run this script 13 # 2. Run the script it produces: /tmp/mkdev3270 14 # 3. Issue "telinit q" or reboot, as appropriate. 15 # 16 P=/proc/tty/driver/tty3270 17 ROOT= 18 D=$ROOT/dev 19 SUBD=3270 20 TTY=$SUBD/tty 21 TUB=$SUBD/tub 22 SCR=$ROOT/tmp/mkdev3270 23 SCRTMP=$SCR.a 24 GETTYLINE=:2345:respawn:/sbin/mingetty 25 INITTAB=$ROOT/etc/inittab 26 NINITTAB=$ROOT/etc/NEWinittab 27 OINITTAB=$ROOT/etc/OLDinittab 28 ADDNOTE=\\"# Additional mingettys for the 3270/tty* driver, tub3270 ---\\" 29 30 if ! ls $P > /dev/null 2>&1; then 31 modprobe tub3270 > /dev/null 2>&1 32 fi 33 ls $P > /dev/null 2>&1 || exit 1 34 35 # Initialize two files, one for /dev/3270 commands and one 36 # to replace the /etc/inittab file (old one saved in OLDinittab) 37 echo "#!/bin/sh" > $SCR || exit 1 38 echo " " >> $SCR 39 echo "# Script built by /sbin/config3270" >> $SCR 40 if [ ! -d /dev/dasd ]; then 41 echo rm -rf "$D/$SUBD/*" >> $SCR 42 fi 43 echo "grep -v $TTY $INITTAB > $NINITTAB" > $SCRTMP || exit 1 44 echo "echo $ADDNOTE >> $NINITTAB" >> $SCRTMP 45 if [ ! -d /dev/dasd ]; then 46 echo mkdir -p $D/$SUBD >> $SCR 47 fi 48 49 # Now query the tub3270 driver for 3270 device information 50 # and add appropriate mknod and mingetty lines to our files 51 echo what=config > $P 52 while read devno maj min;do 53 if [ $min = 0 ]; then 54 fsmaj=$maj 55 if [ ! -d /dev/dasd ]; then 56 echo mknod $D/$TUB c $fsmaj 0 >> $SCR 57 echo chmod 666 $D/$TUB >> $SCR 58 fi 59 elif [ $maj = CONSOLE ]; then 60 if [ ! -d /dev/dasd ]; then 61 echo mknod $D/$TUB$devno c $fsmaj $min >> $SCR 62 fi 63 else 64 if [ ! -d /dev/dasd ]; then 65 echo mknod $D/$TTY$devno c $maj $min >>$SCR 66 echo mknod $D/$TUB$devno c $fsmaj $min >> $SCR 67 fi 68 echo "echo t$min$GETTYLINE $TTY$devno >> $NINITTAB" >> $SCRTMP 69 fi 70 done < $P 71 72 echo mv $INITTAB $OINITTAB >> $SCRTMP || exit 1 73 echo mv $NINITTAB $INITTAB >> $SCRTMP 74 cat $SCRTMP >> $SCR 75 rm $SCRTMP 76 exit 0
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