Function rt_kmem_p2v

components/mm/mm_kmem.c:82–106

}

void *rt_kmem_p2v(void *paddr)
{
    char *rc;
    char *linear_va;
    char *linear_pa;
    if (paddr != ARCH_MAP_FAILED)
    {
        linear_va = (char *)paddr - PV_OFFSET;
        linear_pa = rt_kmem_v2p(linear_va);
        if (linear_pa != paddr)
        {
            rc = RT_NULL;
        }
        else
        {
            rc = linear_va;
        }
    }
    else
    {
        rc = RT_NULL;
    }

    return rc;
}