# write kargs.txt with additional args that should be executed by kexec to production mode
tmp="${BUILDTMP}/kargs.txt"
cat >$tmp <<EOF
-${serial:+console=${console_dev},${console_baud}${console_parity}${console_bits}
+${serial:+console=${console_dev},${console_baud}${console_parity}${console_bits}}
EOF
mcopy -i "$usb" "$tmp" ::/kargs.txt
rm -f "$tmp"