HelenOS sources

CR_RE             515 uspace/drv/nic/rtl8139/driver.c 	pio_write_8(rtl8139->io_port + CR, cr & ~(uint8_t)CR_RE);
CR_RE             900 uspace/drv/nic/rtl8139/driver.c 	pio_write_8(io_base + CR, cr_value | CR_TE | CR_RE);
CR_RE             446 uspace/drv/nic/rtl8169/driver.c 	pio_write_8(rtl8169->regs + CR, cr_value | CR_TE | CR_RE);
CR_RE             760 uspace/drv/nic/rtl8169/driver.c 	cr |= CR_TE | CR_RE;