HelenOS sources

E1000_REG_ADDR    112 uspace/drv/nic/e1k/e1k.c 	(pio_read_32(E1000_REG_ADDR(e1000, reg)))
E1000_REG_ADDR    115 uspace/drv/nic/e1k/e1k.c 	(pio_write_32(E1000_REG_ADDR(e1000, reg), value))
E1000_REG_ADDR   1182 uspace/drv/nic/e1k/e1k.c 	uint32_t *tail_addr = E1000_REG_ADDR(e1000, E1000_RDT);