volumes:
pc:
bootloader: grub
structure:
- name: mbr
type: mbr
size: 440
content:
- image: pc-boot.img
- name: BIOS Boot
type: DA,21686148-6449-6E6F-744E-656564454649
size: 1M
offset: 1M
offset-write: mbr+92
content:
- image: pc-core.img
- name: EFI System
type: EF,C12A7328-F81F-11D2-BA4B-00A0C93EC93B
filesystem: vfat
filesystem-label: system-boot
size: 50M
content:
- source: grubx64.efi
target: EFI/boot/grubx64.efi
- source: shim.efi.signed
target: EFI/boot/bootx64.efi
- source: grub-cpc.cfg
target: EFI/ubuntu/grub.cfg