do_sysinfo_generic() { [ -d /proc/device-tree ] || return mkdir -p /tmp/sysinfo [ -e /tmp/sysinfo/board_name ] || \ echo "$(strings /proc/device-tree/compatible | head -1)" > /tmp/sysinfo/board_name [ -e /tmp/sysinfo/model ] || \ echo "$(cat /proc/device-tree/model)" > /tmp/sysinfo/model } boot_hook_add preinit_main do_sysinfo_generic