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#!/bin/bash
# $1 = base name
# $2 = type (b/c)
# $3 = start
# $4 = finish
# $5 = device major
# $6 = device minor of first index
mksubdevs() {
minor=$6
for i in `seq $3 $4`; do
devname="$1$i"
mknod $devname $2 $5 $minor
minor=$(($minor+1))
done
}
usage() {
echo "usage: makedevs <device root> [class] [class] ..."
echo
echo "available classes: base,ide,scsi,fd,tty,pty,rd,md,loop,dm"
echo " (use 'all' to select all)"
echo
echo "example: makedevs /dev base ide scsi"
echo
exit 0
}
DEV_ROOT=$1
[ "$1" == "" ] && usage
shift
cd $DEV_ROOT || exit 1
CLASSES=
while [ "$1" ]; do
if [ "$1" == "all" ]; then
CLASSES="base ide scsi fd tty pty rd md loop dm"
else
CLASSES="$CLASSES $1"
fi
shift
done
for CLASS in $CLASSES; do
case $CLASS in
base)
mknod console c 5 1
mknod full c 1 7
mknod mem c 1 1
mknod null c 1 3
mknod psaux c 10 1
mknod random c 1 8
mknod tty c 5 0
mknod urandom c 1 9
mknod zero c 1 5
;;
ide)
mknod hda b 3 0
mknod hdb b 3 64
mknod hdc b 22 0
mknod hdd b 22 64
mksubdevs hda b 1 12 3 1
mksubdevs hdb b 1 12 3 65
mksubdevs hdc b 1 12 22 1
mksubdevs hdd b 1 12 22 65
;;
scsi)
mknod sda b 8 0
mknod sdb b 8 16
mknod sdc b 8 32
mknod sdd b 8 48
mksubdevs sda b 1 12 8 1
mksubdevs sdb b 1 12 8 17
mksubdevs sdc b 1 12 8 33
mksubdevs sdd b 1 12 8 49
;;
fd)
mksubdevs fd b 1 4 2 0
;;
tty)
mksubdevs tty c 0 63 4 0
;;
pty)
mknod ptmx c 5 2
;;
rd)
mksubdevs ram b 0 15 1 0
;;
md)
mksubdevs md b 0 15 9 0
;;
loop)
mksubdevs loop b 0 7 7 0
;;
dm)
mkdir mapper >/dev/null 2>&1
mknod mapper/control c 10 63
;;
*)
echo "Unknown class: $CLASS" >&2
;;
esac
done
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