+
+void rte_delay_us_callback_register(void (*userfunc)(unsigned int))
+{
+ rte_delay_us = userfunc;
+}
+
+static void __attribute__((constructor))
+rte_timer_init(void)
+{
+ /* set rte_delay_us_block as a delay function */
+ rte_delay_us_callback_register(rte_delay_us_block);
+}