firmware-notes.txt

# connect image to system as qemu nbd device
sudo modprobe nbd max_part=8
sudo qemu-nbd -f raw --connect=/dev/nbd0 disk.img
sudo partprobe /dev/nbd0

# examine img
sudo fdisk -l /dev/nbd0
sudo blkid /dev/nbd0*

# mount
sudo mount /dev/nbd0p3 ./rootfs
sudo mount /dev/nbd0p5 ./home

# disconnect
sudo umount ./rootfs
sudo umount ./home
sudo qemu-nbd --disconnect /dev/nbd0

# boot
qemu-system-x86_64 -drive file=disk.img,format=raw   -display none   -chardev stdio,id=terminal,mux=on   -device isa-debugcon,iobase=0x4
02,chardev=terminal   -serial chardev:terminal -bios /usr/share/ovmf/OVMF.fd -smbios type=0,uefi=on -m 4096