This example will wake up every Application Processor (AP) and make them, along with the Bootstrap Processor (BSP), display their LAPIC ID.
; Assemble boot sector and insert it into a 1.44MiB floppy image
;
; nasm -f bin boot.asm -o boot.bin
; dd if=/dev/zero of=disk.img bs=512 count=2880
; dd ...