image boot.vfat { vfat { files = { "Image", "rk3399-nanopi-m4.dtb", "extlinux" } } size = 64M } image sdcard.img { hdimage { gpt = true } partition loader1 { image = "idbloader.img" offset = 32K } partition loader2 { image = "u-boot.itb" offset = 8M } partition boot { partition-type = 0xC bootable = "true" image = "boot.vfat" offset = 16M } partition rootfs { partition-type = 0x83 image = "rootfs.ext4" } }