Instead of relying on some firmware plus a real-mode bootloader, Firecracker sets up some basic page tables, puts the vCPUs in 64-bit protected-mode and jumps directly into Linux's entry point.
And now QEMU is able to do that too. At least in this unpublished local branch. 😜
The social network of the future: No ads, no corporate surveillance, ethical design, and decentralization! Own your data with Mastodon!