projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
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 |