apic_icr_write
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);
apic_icr_write(APIC_DM_STARTUP | (start_eip >> 12),