LAPIC_ICRHI
i82489_writereg(LAPIC_ICRHI, target << LAPIC_ID_SHIFT);
i82489_writereg(LAPIC_ICRHI, target << LAPIC_ID_SHIFT);
i82489_writereg(LAPIC_ICRHI, target << LAPIC_ID_SHIFT);
i82489_writereg(LAPIC_ICRHI, target << LAPIC_ID_SHIFT);