FLCN_ERR
({ bool _cond = (c); _cond ? FLCN_ERR(f, fmt, ##a) : FLCN_DBG(f, fmt, ##a); _cond; })
FLCN_ERR(falcon, "halted");
FLCN_ERR(falcon, "get %d", ret);
FLCN_ERR(falcon, "map %d", ret);
FLCN_ERR(falcon, "TRACEPC SCTL %08x TIDX %08x", sctl, tidx);
FLCN_ERR(falcon, "TRACEPC: %08x", ip);
FLCN_ERR(falcon, "unexpected init message size %d vs %d",