Function rt_varea_map_range

components/mm/mm_aspace.c:1374–1402

* @note Caller should take care of synchronization of its varea among all the map/unmap operation */

 * @note Caller should take care of synchronization of its varea among all the map/unmap operation
 */
int rt_varea_map_range(rt_varea_t varea, void *vaddr, void *paddr, rt_size_t length)
{
    int err;
    if (!varea || !vaddr || !paddr || !length ||
        !ALIGNED(vaddr) || !ALIGNED(paddr) || !(ALIGNED(length)))
    {
        LOG_W("%s(%p,%p,%p,%lx): invalid input", __func__, varea, vaddr, paddr, length);
        err = -RT_EINVAL;
    }
    else if (_not_in_range(MMF_MAP_FIXED, vaddr, length,
                           varea->start, varea->size))
    {
        LOG_W("%s(%p,%lx): not in range of varea(%p,%lx)", __func__,
            vaddr, length, varea->start, varea->size);
        err = -RT_EINVAL;
    }
    else
    {
        err = _do_named_map(
            varea->aspace,
            varea,
            vaddr,
            length,
            MM_PA_TO_OFF(paddr),
            varea->attr
        );
    }
    return err;
}

/**
 * @note Caller should take care of synchronization of its varea among all the map/unmap operation