def boot_image_opts(
        boot_image_header_version = 4,
        base_address = 0x80000000,
        page_size = 4096,
        super_image_size = 0x10000000,
        boot_partition_size = 0x6000000,
        lz4_ramdisk = True,
        earlycon_addr = None,
        kernel_vendor_cmdline_extras = ["bootconfig"],
        board_kernel_cmdline_extras = [],
        board_bootconfig_extras = []):
    return struct(
        boot_image_header_version = boot_image_header_version,
        base_address = base_address,
        page_size = page_size,
        super_image_size = super_image_size,
        boot_partition_size = boot_partition_size,
        lz4_ramdisk = lz4_ramdisk,
        earlycon_addr = earlycon_addr,
        kernel_vendor_cmdline_extras = kernel_vendor_cmdline_extras,
        board_kernel_cmdline_extras = board_kernel_cmdline_extras,
        board_bootconfig_extras = board_bootconfig_extras,
    )

def vm_image_opts(
        preferred_usespace = "vm",
        vm_dtb_img_create = True,
        kernel_offset = 0x0,
        dtb_offset = 0x2000000,
        ramdisk_offset = 0x2100000,
        cmdline_cpio_offset = 0x2100000,
        vm_size_ext4 = 270000000,
        dummy_img_size = 4096):
    return struct(
        preferred_usespace = preferred_usespace,
        vm_dtb_img_create = vm_dtb_img_create,
        kernel_offset = kernel_offset,
        dtb_offset = dtb_offset,
        ramdisk_offset = ramdisk_offset,
        cmdline_cpio_offset = cmdline_cpio_offset,
        vm_size_ext4 = vm_size_ext4,
        dummy_img_size = dummy_img_size,
    )