IOAPIC_VER
case IOAPIC_VER:
case IOAPIC_VER:
r = db_ioapic_read(io_addr, IOAPIC_VER);
value = ioapic_read(apic, IOAPIC_VER);
flags = ioapic_read(apic, IOAPIC_VER) & IOART_VER_VERSION;