Function dtb_node_load_from_memory

components/legacy/fdt/src/dtb_load.c:68–107

}

void *dtb_node_load_from_memory(void *dtb_ptr, rt_bool_t is_clone)
{
    void *fdt = NULL;

    if (dtb_ptr == NULL)
    {
        fdt_exec_status = FDT_RET_GET_EMPTY;
        goto end;
    }

    if (dtb_node_check(dtb_ptr) == RT_FALSE)
    {
        fdt_exec_status = FDT_RET_GET_EMPTY;
        fdt = NULL;
        goto end;
    }

    if (is_clone)
    {
        size_t dtb_sz = fdt_totalsize(dtb_ptr);
        if (dtb_sz > 0)
        {
            if ((fdt = (size_t *)malloc(dtb_sz)) != NULL)
            {
                memcpy(fdt, dtb_ptr, dtb_sz);
            }
            else
            {
                fdt_exec_status = FDT_RET_NO_MEMORY;
            }
        }
    }
    else
    {
        fdt = dtb_ptr;
    }

end:
    return fdt;
}