HelenOS sources
CMD_PIO_WRITE_8 114 kernel/generic/src/ipc/irq.c case CMD_PIO_WRITE_8:
CMD_PIO_WRITE_8 470 kernel/generic/src/ipc/irq.c case CMD_PIO_WRITE_8:
CMD_PIO_WRITE_8 108 uspace/drv/audio/hdaudio/hdaudio.c .cmd = CMD_PIO_WRITE_8,
CMD_PIO_WRITE_8 140 uspace/drv/audio/hdaudio/hdaudio.c .cmd = CMD_PIO_WRITE_8,
CMD_PIO_WRITE_8 116 uspace/drv/block/pci-ide/pci-ide.c .cmd = CMD_PIO_WRITE_8,
CMD_PIO_WRITE_8 102 uspace/drv/nic/ne2k/ne2k.c .cmd = CMD_PIO_WRITE_8,
HelenOS homepage, sources at GitHub