_BS_CALL
ret = _BS_CALL(t, sparc_bus_alloc)(t, t0, rs, re, s, a, b, f, ap, hp);
_BS_CALL(t, sparc_bus_free)(t, t0, h, s);
ret = _BS_CALL(t, sparc_bus_map)(t, t0, a, s, f, hp);
ret = _BS_CALL(t, sparc_bus_protect)(t, t0, h, s, f);
ret = _BS_CALL(t, sparc_bus_unmap)(t, t0, h, s);
ret = _BS_CALL(t, sparc_bus_subregion)(t, t0, h, o, s, hp);
ret = _BS_CALL(t, sparc_bus_mmap)(t, t0, a, o, p, f);
ret = _BS_CALL(t, sparc_intr_establish)(t, t0, p, l, f, h, a, w);
ret = _BS_CALL(t, sparc_intr_establish_cpu)(t, t0, p, l, f, ci,