| sio_pic.c | 292 	uint8_t ocw1[2], elcr[2];  local in function:sio_setirqstat 303 	ocw1[0] = bus_space_read_1(sio_iot, sio_ioh_icu1, PIC_OCW1);
 304 	ocw1[1] = bus_space_read_1(sio_iot, sio_ioh_icu2, PIC_OCW1);
 312 		ocw1[icu] &= ~(1 << bit);
 314 		ocw1[icu] |= 1 << bit;
 326 	ocw1[0] &= ~0x04;		/* always enable IRQ2 on first PIC */
 331 	bus_space_write_1(sio_iot, sio_ioh_icu1, 1, ocw1[0]);
 332 	bus_space_write_1(sio_iot, sio_ioh_icu2, 1, ocw1[1]);
 
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