Arguments

ARGS="-cpu_arch=${HOST_CPU}"

[ -z "$CPU_CORES" ] && ARGS="$ARGS -cpu=${CPU_CORES}"

[ -z "$HOST_BUILD" ] && ARGS="$ARGS -build=${HOST_BUILD}"

[ -z "$HOST_SERIAL" ] && ARGS="$ARGS -hostsn=${HOST_SERIAL}" 

[ -z "$GUEST_SERIAL" ] && ARGS="$ARGS -guestsn=${GUEST_SERIAL}"  

[ -z "$HOST_VERSION" ] && ARGS="$ARGS -version=${HOST_VERSION}"

[ -z "$HOST_TIMESTAMP" ] && ARGS="$ARGS -ts=${HOST_TIMESTAMP}"

[ -n "$CPU_CORES" ] && ARGS="$ARGS -cpu=${CPU_CORES}"

[ -n "$HOST_BUILD" ] && ARGS="$ARGS -build=${HOST_BUILD}"

[ -n "$HOST_SERIAL" ] && ARGS="$ARGS -hostsn=${HOST_SERIAL}"

[ -n "$HOST_TIMESTAMP" ] && ARGS="$ARGS -ts=${HOST_TIMESTAMP}"

[ -n "$GUEST_SERIAL" ] && ARGS="$ARGS -guestsn=${GUEST_SERIAL}"

[ -n "$HOST_VERSION" ] && ARGS="$ARGS -version=${HOST_VERSION}"

./run/host.bin ${ARGS:+ $ARGS} > /dev/null 2>&1 &