Function rt_aspace_map

components/mm/mm_aspace.c:672–710

}

int rt_aspace_map(rt_aspace_t aspace, void **addr, rt_size_t length,
                  rt_size_t attr, mm_flag_t flags, rt_mem_obj_t mem_obj,
                  rt_size_t offset)
{
    int err;
    rt_varea_t varea = RT_NULL;

    RT_DEBUG_SCHEDULER_AVAILABLE(1);

    if (!aspace || !addr || !mem_obj || length == 0)
    {
        err = -RT_EINVAL;
        LOG_I("%s(%p, %p, %lx, %lx, %lx, %p, %lx): Invalid input",
            __func__, aspace, addr, length, attr, flags, mem_obj, offset);
    }
    else if (_not_in_range(flags, *addr, length, aspace->start, aspace->size))
    {
        err = -RT_EINVAL;
        LOG_I("%s(addr:%p, len:%lx): out of range", __func__, *addr, length);
    }
    else if (_not_support(flags))
    {
        LOG_I("%s: no support flags 0x%lx", __func__, flags);
        err = -RT_ENOSYS;
    }
    else
    {
        RT_ASSERT((length & ARCH_PAGE_MASK) == 0);
        RT_ASSERT(((long)*addr & ARCH_PAGE_MASK) == 0);
        err = _mm_aspace_map(aspace, &varea, addr, length, attr, flags, mem_obj, offset);
    }

    if (err != RT_EOK)
    {
        *addr = NULL;
    }

    return err;
}

int rt_aspace_map_static(rt_aspace_t aspace, rt_varea_t varea, void **addr,
                         rt_size_t length, rt_size_t attr, mm_flag_t flags,