Function rt_fdt_unflatten_single

components/drivers/ofw/fdt.c:1036–1071

}

struct rt_ofw_node *rt_fdt_unflatten_single(void *fdt)
{
    int root_off;
    struct fdt_info *header;
    struct rt_ofw_node *root = RT_NULL;

    if (fdt && (root_off = fdt_path_offset(fdt, "/")) >= 0)
    {
        root = rt_calloc(1, sizeof(struct fdt_info) + sizeof(struct rt_ofw_node));
    }

    if (root)
    {
        header = (void *)root + sizeof(struct rt_ofw_node);

        rt_strncpy(header->name, "/", sizeof("/"));

        header->fdt = fdt;

        header->rsvmap = (struct fdt_reserve_entry *)((void *)fdt + fdt_off_mem_rsvmap(fdt));
        header->rsvmap_nr = fdt_num_mem_rsv(fdt);

        if (!fdt_unflatten_single(root, root_off))
        {
            root->name = (const char *)header;
        }
        else
        {
            rt_ofw_node_destroy(root);

            root = RT_NULL;
        }
    }

    return root;
}