image efi-part.vfat {
    vfat {
      file startup.nsh {
        image = "efi-part/startup.nsh"
      }
      file EFI {
        image = "efi-part/EFI"
      }
      file bzImage {
        image = "bzImage"
      }
    }
    size = 16M
  }
  
  image disk.img {
  
    hdimage {
    }
  
    partition boot {
      partition-type = 0xEF
      image = "efi-part.vfat"
    }
  
    partition root {
      partition-type = 0x83
      image = "rootfs.ext2"
    }
  
  }