ushort_t          273 dev/sbus/stp4020reg.h     volatile	ushort_t	ctl0;		/* window control register 0 */
ushort_t          274 dev/sbus/stp4020reg.h     volatile	ushort_t	ctl1;		/* window control register 1 */
ushort_t          282 dev/sbus/stp4020reg.h     volatile	ushort_t	ctl0;		/* socket control register 0 */
ushort_t          283 dev/sbus/stp4020reg.h     volatile	ushort_t	ctl1;		/* socket control register 1 */
ushort_t          284 dev/sbus/stp4020reg.h     volatile	ushort_t	stat0;		/* socket status register 0 */
ushort_t          285 dev/sbus/stp4020reg.h     volatile	ushort_t	stat1;		/* socket status register 1 */