LAPIC_TIMER_VECTOR
idt_vec_reserve(iv, LAPIC_TIMER_VECTOR);
idt_vec_set(iv, LAPIC_TIMER_VECTOR,
uint16_t reg = LAPIC_IRR + LAPIC_TIMER_VECTOR / 32 * 16;
if (lapic_readreg(reg) & (1 << (LAPIC_TIMER_VECTOR % 32))) {
LAPIC_LVT_TMM_PERIODIC | LAPIC_TIMER_VECTOR);
| LAPIC_LVT_MASKED | LAPIC_TIMER_VECTOR);