#!/bin/sh -e

FIRMWARE_DIRS="/lib/firmware /usr/local/lib/firmware"

err() {
	echo "$@" >&2
	logger -t "${0##*/}[$$]" "$@" 2>/dev/null || true
}

if [ ! -e /sys$DEVPATH/loading ]; then
	err "udev firmware loader misses sysfs directory"
	exit 1
fi

for DIR in $FIRMWARE_DIRS; do
	[ -e "$DIR/microcode.dat" ] || continue
	echo 1 > /sys$DEVPATH/loading
	/sbin/microcode_ctl -f "$DIR/microcode.dat" -d /sys$DEVPATH/data
	echo 0 > /sys$DEVPATH/loading
	exit 0
done

echo -1 > /sys$DEVPATH/loading
err "Cannot find microcode file 'microcode.dat'"
exit 1