APIC_INT_LEVELTRIG
apic_write(APIC_ICR, APIC_DEST_ALLINC | APIC_INT_LEVELTRIG | APIC_DM_INIT);
apic_icr_write(APIC_INT_LEVELTRIG | APIC_INT_ASSERT | APIC_DM_INIT, phys_apicid);
apic_icr_write(APIC_INT_LEVELTRIG | APIC_DM_INIT, phys_apicid);
irq->trig_mode = icr_low & APIC_INT_LEVELTRIG;
irq.trig_mode = icr & APIC_INT_LEVELTRIG;
icrl & APIC_INT_LEVELTRIG,