_BS_PRECALL
_BS_PRECALL(t, sparc_bus_alloc);
_BS_PRECALL(t, sparc_bus_free);
_BS_PRECALL(t, sparc_bus_map);
_BS_PRECALL(t, sparc_bus_protect);
_BS_PRECALL(t, sparc_bus_unmap);
_BS_PRECALL(t, sparc_bus_subregion);
_BS_PRECALL(t, sparc_bus_mmap);
_BS_PRECALL(t, sparc_intr_establish);
_BS_PRECALL(t, sparc_intr_establish_cpu);