Function rt_aspace_page_put_phy

components/mm/mm_aspace.c:1719–1754

}

rt_err_t rt_aspace_page_put_phy(rt_aspace_t aspace, void *page_va, void *buffer)
{
    rt_err_t rc = -RT_ERROR;

    char *frame_ka = rt_hw_mmu_v2p(aspace, page_va);
    if (frame_ka != ARCH_MAP_FAILED)
    {
        frame_ka = rt_kmem_p2v(frame_ka);
        if (frame_ka)
        {
            rt_memcpy(frame_ka, buffer, ARCH_PAGE_SIZE);
            rc = RT_EOK;
        }
        else if (aspace == _current_uspace() || aspace == &rt_kernel_space)
        {
            /* direct IO */
            rt_memcpy(page_va, buffer, ARCH_PAGE_SIZE);
            rc = RT_EOK;
        }
        else
        {
            /* user memory region remap ? */
            LOG_W("%s(aspace=0x%lx,va=%p): Operation not support",
                __func__, aspace, page_va);
            rc = -RT_ENOSYS;
        }
    }
    else
    {
        LOG_W("%s(aspace=0x%lx,va=%p): PTE not existed",
            __func__, aspace, page_va);
        rc = -RT_ENOENT;
    }

    return rc;
}

rt_err_t rt_aspace_page_put(rt_aspace_t aspace, void *page_va, void *buffer)
{