Function _do_named_map

components/mm/mm_aspace.c:147–168

}

static int _do_named_map(rt_aspace_t aspace, rt_varea_t varea, void *vaddr,
                         rt_size_t length, rt_size_t offset, rt_size_t attr)
{
    LOG_D("%s: va %p length %p", __func__, vaddr, length);
    int err = RT_EOK;

    /* it's ensured by caller that (void*)end will not overflow */
    void *phyaddr = (void *)(offset << MM_PAGE_SHIFT);
    void *ret;

    attr = _get_effect_attr(aspace, varea);
    ret = rt_hw_mmu_map(aspace, vaddr, phyaddr, length, attr);
    if (ret == RT_NULL)
    {
        err = -RT_ERROR;
    }

    if (err == RT_EOK)
        rt_hw_tlb_invalidate_range(aspace, vaddr, length, ARCH_PAGE_SIZE);

    return err;
}

rt_inline void _do_page_fault(struct rt_aspace_fault_msg *msg, rt_size_t off,
                              void *vaddr, rt_mem_obj_t mem_obj,