image boot.vfat {
  vfat {
    files = {
      "bcm2710-rpi-3-b.dtb",
      "bcm2710-rpi-3-b-plus.dtb",
      "bcm2710-rpi-cm3.dtb",
      "cmdline.txt",
      "config.txt",
      "boot.scr",
      "uboot-env.img",
      "Image"
    }
    file overlays/README {
      image = "rpi-firmware/overlays/README"
    }
    file bootcode.bin {
      image = "rpi-firmware/bootcode.bin"
    }
    file fixup.dat {
      image = "rpi-firmware/fixup.dat"
    }
    file start.elf {
      image = "rpi-firmware/start.elf"
    }
  }
  size = 32M
}

image rootfs-A.ext4 {
  ext4 {
    label = "rootfs-A"
    use-mke2fs = true
  }
  size = 256M
}

image rootfs-B.ext4 {
  ext4 {
    label = "rootfs-B"
    use-mke2fs = true
  }
  size = 256M
}

image data.ext4 {
  ext4 {
    label = "data"
    use-mke2fs = true
  }
  size = 128M
}

image sdcard.img {
  hdimage {
    partition-table-type = "mbr"
  }

  partition boot {
    partition-type = 0xC
    bootable = "true"
    image = "boot.vfat"
  }

  partition rootfs-A {
    partition-type = 0x83
    image = "rootfs-A.ext4"
  }

  partition rootfs-B {
    partition-type = 0x83
    image = "rootfs-B.ext4"
  }

  partition data {
    partition-type = 0x83
    image = "data.ext4"
  }
}