81 	struct ssd ssd;  in sysi86()  local
138 		if (copyin((caddr_t)arg1, &ssd, sizeof (ssd)) < 0) {  in sysi86()
143 		error = setdscr(&ssd);  in sysi86()
247 usd_to_ssd(user_desc_t *usd, struct ssd *ssd, selector_t sel)  in usd_to_ssd()  argument
249 	ssd->bo = USEGD_GETBASE(usd);  in usd_to_ssd()
250 	ssd->ls = USEGD_GETLIMIT(usd);  in usd_to_ssd()
251 	ssd->sel = sel;  in usd_to_ssd()
256 	ssd->acc1 = usd->usd_type;  in usd_to_ssd()
257 	ssd->acc1 |= usd->usd_dpl << 5;  in usd_to_ssd()
258 	ssd->acc1 |= usd->usd_p << (5 + 2);  in usd_to_ssd()
263 	ssd->acc2 = usd->usd_avl;  in usd_to_ssd()
266 	ssd->acc2 |= usd->usd_long << 1;  in usd_to_ssd()
268 	ssd->acc2 |= usd->usd_reserved << 1;  in usd_to_ssd()
271 	ssd->acc2 |= usd->usd_def32 << (1 + 1);  in usd_to_ssd()
272 	ssd->acc2 |= usd->usd_gran << (1 + 1 + 1);  in usd_to_ssd()
276 ssd_to_usd(struct ssd *ssd, user_desc_t *usd)  in ssd_to_usd()  argument
281 	USEGD_SETBASE(usd, ssd->bo);  in ssd_to_usd()
282 	USEGD_SETLIMIT(usd, ssd->ls);  in ssd_to_usd()
287 	usd->usd_type = ssd->acc1;  in ssd_to_usd()
288 	usd->usd_dpl = ssd->acc1 >> 5;  in ssd_to_usd()
289 	usd->usd_p = ssd->acc1 >> (5 + 2);  in ssd_to_usd()
307 	usd->usd_avl = ssd->acc2;  in ssd_to_usd()
308 	usd->usd_def32 = ssd->acc2 >> (1 + 1);  in ssd_to_usd()
309 	usd->usd_gran = ssd->acc2 >> (1 + 1 + 1);  in ssd_to_usd()
316 ssd_to_sgd(struct ssd *ssd, gate_desc_t *sgd)  in ssd_to_sgd()  argument
321 	sgd->sgd_looffset = ssd->bo;  in ssd_to_sgd()
322 	sgd->sgd_hioffset = ssd->bo >> 16;  in ssd_to_sgd()
324 	sgd->sgd_selector = ssd->ls;  in ssd_to_sgd()
329 	sgd->sgd_type = ssd->acc1;  in ssd_to_sgd()
330 	sgd->sgd_dpl = ssd->acc1 >> 5;  in ssd_to_sgd()
331 	sgd->sgd_p = ssd->acc1 >> 7;  in ssd_to_sgd()
481 setdscr(struct ssd *ssd)  in setdscr()  argument
492 	if (!SELISLDT(ssd->sel) || !SELISUPL(ssd->sel))  in setdscr()
498 	seli = SELTOIDX(ssd->sel);  in setdscr()
575 	if (SI86SSD_PRES(ssd) == 0) {  in setdscr()
597 			if (ssd->sel == rp->r_cs || ssd->sel == rp->r_ss) {  in setdscr()
604 				if (ssd->sel == pcb->pcb_ds ||  in setdscr()
605 				    ssd->sel == pcb->pcb_es ||  in setdscr()
606 				    ssd->sel == pcb->pcb_fs ||  in setdscr()
607 				    ssd->sel == pcb->pcb_gs) {  in setdscr()
614 				if (ssd->sel == rp->r_ds ||  in setdscr()
615 				    ssd->sel == rp->r_es ||  in setdscr()
616 				    ssd->sel == rp->r_fs ||  in setdscr()
617 				    ssd->sel == rp->r_gs) {  in setdscr()
635 	if (ssd->acc1 == 0) {  in setdscr()
645 	if (SI86SSD_DPL(ssd) != SEL_UPL) {  in setdscr()
655 	if (SI86SSD_ISUSEG(ssd) && ((SI86SSD_TYPE(ssd) >> 3) & 1) == 1 &&  in setdscr()
656 	    SI86SSD_ISLONG(ssd)) {  in setdscr()
665 	if (SI86SSD_ISUSEG(ssd)) {  in setdscr()
666 		ssd_to_usd(ssd, &ndesc);  in setdscr()
684 	if (SI86SSD_TYPE(ssd) == SDT_SYSCGT && SELISLDT(ssd->ls)) {  in setdscr()
687 		ssd_to_sgd(ssd, (gate_desc_t *)&ndesc);  in setdscr()