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| author | Kyle K <kylek389@gmail.com> | 2012-12-24 12:53:20 -0600 |
|---|---|---|
| committer | Kyle Kaminski <kyle@kkaminsk.com> | 2012-12-24 12:53:20 -0600 |
| commit | 0d9aff9bd305d18625c322a1a891aba278049862 (patch) | |
| tree | 274aa52bf311107232488fb3f924cef316cfcb28 /hello_load.sh | |
| parent | f0531d88e958b5fa77f8dc9bb34e697e872aeba9 (diff) | |
| download | kernelhello-0d9aff9bd305d18625c322a1a891aba278049862.tar.gz kernelhello-0d9aff9bd305d18625c322a1a891aba278049862.tar.bz2 kernelhello-0d9aff9bd305d18625c322a1a891aba278049862.zip | |
spawn char device at /dev/, implement read
Diffstat (limited to 'hello_load.sh')
| -rwxr-xr-x | hello_load.sh | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/hello_load.sh b/hello_load.sh new file mode 100755 index 0000000..fc54ab6 --- /dev/null +++ b/hello_load.sh @@ -0,0 +1,24 @@ +#!/bin/bash + +MODULE=hello +DEVICE=helloc +MODE=664 + +# invoke insmod with all arguments and use a pathname +# as newer modutils don't look into . by default +/usr/bin/insmod ./${MODULE}.ko $* || exit 1 + +# remove stale nodes +rm -f /dev/${DEVICE}[0] + +MAJOR=$(awk "\$2 == \"$DEVICE\" {print \$1}" /proc/devices) + +mknod /dev/${DEVICE}0 c $MAJOR 0 + +# give appriopriate permissions +GROUP=staff +grep -q '^staff' /etc/group || GROUP=wheel + +chgrp $GROUP /dev/${DEVICE}0 +chmod $MODE /dev/${DEVICE}0 + |