OSIOP_TRACE
OSIOP_TRACE('s', 1, 0, 0);
OSIOP_TRACE('s', 2, 0, 0);
OSIOP_TRACE('s', 3,
OSIOP_TRACE('i', dstat, istat, (istat & OSIOP_ISTAT_DIP) ?
OSIOP_TRACE('m', osiop_read_1(sc, OSIOP_SBCL),
OSIOP_TRACE('d', 'a', status, 0);
OSIOP_TRACE('d', 'r', status, 0);
OSIOP_TRACE('d', 'n', status, 0);