#if 0
                {
                tmr :> sof_time;
                  if (last_sof_time && ((sof_time - last_sof_time) > 20000)) {
                    missed_sofcount = sofCount;
                    missed_count--;
                    if (!missed_count) {
                      asm("ecallf %0"::"r"(0));
                    }

                  }
                  last_sof_time = sof_time;
                }
#endif