ICU_OFFSET
outb(IO_ICU1+1, ICU_OFFSET); /* starting at this vector index */
outb(IO_ICU2+1, ICU_OFFSET+8); /* staring at this vector index */
idtvec = ICU_OFFSET + legacy_irq;
idt_allocmap[ICU_OFFSET + i] = 1;
setgate(&idt[ICU_OFFSET + i],
setgate(&idt[ICU_OFFSET + i], IDTVEC(intr)[i], 0,
outb(IO_ICU1+1, ICU_OFFSET); /* starting at this vector index */
outb(IO_ICU2+1, ICU_OFFSET+8); /* staring at this vector index */