SO78992609 - build

nasm -f bin first_stage.asm -o first_stage.bin
dd if=/dev/zero of=bootloader.img bs=512 count=131072
# Place second stage at sector 1 (seek=0)
dd if=first_stage.bin of=bootloader.img bs=512 seek=0 conv=notrunc
# Place second stage at sector 2 (seek=1)
nasm -f bin second_stage.asm -o second_stage.bin
dd if=second_stage.bin of=bootloader.img bs=512 seek=1 conv=notrunc
nasm -f bin kernel.asm -o kernel.bin
# Place kernel at sector 5 (seek=4)
dd if=kernel.bin of=bootloader.img bs=512 seek=4 conv=notrunc