43 lines
735 B
Bash
43 lines
735 B
Bash
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#!/bin/sh
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#
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# Load puzzlefw kernel driver.
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#
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start() {
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# Check that the FPGA is running.
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# If the PuzzleFW firmware is not running on the FPGA,
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# attempting to load the driver will crash the system.
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read fpga_state </sys/class/fpga_manager/fpga0/state
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if [ "$fpga_state" != "operating" ]; then
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echo "ERROR: FPGA not operating" >&2
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exit 1
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fi
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# Load module.
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echo "Loading puzzlefw driver ..."
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insmod /opt/puzzlefw/driver/puzzlefw.ko
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}
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stop() {
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echo -n "Unloading puzzlefw driver ..."
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rmmod puzzlefw
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}
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case "$1" in
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start)
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start
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;;
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stop)
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stop
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;;
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restart|reload)
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stop
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start
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;;
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*)
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echo "Usage: $0 {start|stop|restart}"
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exit 1
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esac
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