IDT_ALIGN
.align IDT_ALIGN
.fill 0b + IDT_ALIGN - ., 1, 0xcc
.align IDT_ALIGN
.fill 0b + IDT_ALIGN - ., 1, 0xcc
entry = irq_entries_start + IDT_ALIGN * (i - FIRST_EXTERNAL_VECTOR);
entry = spurious_entries_start + IDT_ALIGN * (i - FIRST_SYSTEM_VECTOR);