> I got this running on qemu by cannibalizing a tiny bit of code from xv6 to replace the GRUB dependency. This thing doesn't depend on GRUB, per se. It require

> I got this running on qemu by cannibalizing a tiny bit of code from xv6 to replace the GRUB dependency. This thing doesn't depend on GRUB, per se. It requires a multiboot protocol compliant bootloader, and QEMU and Bochs emulator have one built-in. All you need to do is: qemu-system-i386 -kernel kernel This was mentioned in the last lines of the OP, perhaps they were added after you read it.