56 lines
1.3 KiB
Bash
56 lines
1.3 KiB
Bash
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#! /bin/bash
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#
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# A simple script to load up the kernel module and create the device nodes
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# for it.
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#
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# Note:
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# this must be run as root
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#
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# Work out where the module is
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kmodule="`dirname $0`/../kernel/plex86.o"
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# Check that root is executing us
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if [ "$EUID" != "0" ]; then
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echo "Sorry, you need to be root for this script to work."
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echo "use 'su -c $0' and enter the root password when prompted"
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exit -1
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fi
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# Check if the module exists
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if [ ! -f "$kmodule" ]; then
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echo "The kernel module ($kmodule) does not exist!"
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exit -1
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fi
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# Check if the module is already loaded
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if [ "x`grep plex86 /proc/devices`" != "x" ]; then
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echo "The kernel module is already loaded!"
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exit -1
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fi
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# Remove any stale device nodes
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# (extend for any minor devices created in the future)
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rm -f /dev/plex86
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# Load up the module with insmod
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/sbin/insmod $kmodule
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# Check if the module loaded
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major=`grep plex86 /proc/devices | awk '/plex86/ {print $1;}'`
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if [ "x$major" = "x" ]; then
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echo "The kernel module failed to load!"
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exit -1
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fi
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# Create the device node and set its permissions
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# (extend for any minor devices created in the future)
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if [ ! -c /dev/plex86 ]; then
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/bin/mknod /dev/plex86 c $major 0
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fi
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chmod a+rw /dev/plex86
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# Job done - Give a little positive feedback
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echo "The kernel module is sucessfully installed."
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exit 0
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