v9/os/v9dep.c

87 	struct machpcb *mpcb;
92 	mpcb = lwptompcb(lwp);
140 		pfp->fpu_q = mpcb->mpcb_fpu_q;
478 	struct machpcb *mpcb = lwptompcb(lwp);
486 	if (mpcb->mpcb_wstate == WSTATE_USER32) {
494 	mpcb->mpcb_wbcnt = 0;
497 		mpcb->mpcb_spbuf[i] = sp;
499 		    (mpcb->mpcb_wbuf + (i * wbuf_rwindow_size));
504 		mpcb->mpcb_wbcnt++;
511 	struct machpcb *mpcb = lwptompcb(lwp);
520 	if (mpcb->mpcb_wstate == WSTATE_USER32) {
529 	mpcb->mpcb_wbcnt = 0;
532 		mpcb->mpcb_spbuf[i] = sp;
534 		    (mpcb->mpcb_wbuf + (i * wbuf_rwindow_size));
539 		mpcb->mpcb_wbcnt++;
551 	struct machpcb *mpcb = lwptompcb(lwp);
552 	int wbcnt = mpcb->mpcb_wbcnt;
559 	if (mpcb->mpcb_wstate == WSTATE_USER32) {
569 		sp = mpcb->mpcb_spbuf[i];
572 		    (mpcb->mpcb_wbuf + (i * wbuf_rwindow_size));
583 	struct machpcb *mpcb = lwptompcb(lwp);
584 	int wbcnt = mpcb->mpcb_wbcnt;
591 	if (mpcb->mpcb_wstate == WSTATE_USER32) {
602 		sp = mpcb->mpcb_spbuf[i];
604 		    (mpcb->mpcb_wbuf + (i * wbuf_rwindow_size));
626 	struct machpcb *mpcb = lwptompcb(ttolwp(curthread));
636 	if (mpcb->mpcb_wstate != WSTATE_USER32)
641 	j = mpcb->mpcb_wbcnt;
643 		sp = mpcb->mpcb_spbuf[--j];
645 		if ((mpcb->mpcb_wstate != WSTATE_USER32) &&
670 		err = xcopyout(mpcb->mpcb_wbuf +
678 				uint_t *kaddr = (uint_t *)(mpcb->mpcb_wbuf +
701 			mpcb->mpcb_wbcnt--;
702 			for (k = j; k < mpcb->mpcb_wbcnt; k++) {
703 				mpcb->mpcb_spbuf[k] = mpcb->mpcb_spbuf[k+1];
705 				    mpcb->mpcb_wbuf +
707 				    mpcb->mpcb_wbuf +
722 	struct machpcb *mpcb = lwptompcb(lwp);
728 	if (mpcb->mpcb_rsp[0] == NULL) {
743 			mpcb->mpcb_rsp[0] = sp1;
744 		rwindow_32ton(&rwindow32, &mpcb->mpcb_rwin[0]);
746 	mpcb->mpcb_rsp[1] = NULL;
747 	if (dotwo && mpcb->mpcb_rsp[0] != NULL &&
748 	    (sp2 = (caddr_t)mpcb->mpcb_rwin[0].rw_fp) != NULL) {
751 			mpcb->mpcb_rsp[1] = sp2;
752 		rwindow_32ton(&rwindow32, &mpcb->mpcb_rwin[1]);
754 	return (mpcb->mpcb_rsp[0] != NULL);
762 	struct machpcb *mpcb;
770 	mpcb = lwptompcb(lwp);
772 	if (mpcb->mpcb_rsp[0] == NULL) {
774 		if ((copyin_nowatch(sp1, &mpcb->mpcb_rwin[0],
776 			mpcb->mpcb_rsp[0] = sp1 - STACK_BIAS;
778 	mpcb->mpcb_rsp[1] = NULL;
779 	if (dotwo && mpcb->mpcb_rsp[0] != NULL &&
780 	    (sp2 = (caddr_t)mpcb->mpcb_rwin[0].rw_fp) != NULL) {
782 		if ((copyin_nowatch(sp2, &mpcb->mpcb_rwin[1],
784 			mpcb->mpcb_rsp[1] = sp2 - STACK_BIAS;
786 	return (mpcb->mpcb_rsp[0] != NULL);
798 	struct machpcb *mpcb = lwptompcb(lwp);
833 	    mpcb->mpcb_wstate != WSTATE_USER64) {
834 		ASSERT(mpcb->mpcb_wbcnt == 0);
835 		kmem_cache_free(wbuf32_cache, mpcb->mpcb_wbuf);
836 		mpcb->mpcb_wbuf = kmem_cache_alloc(wbuf64_cache, KM_SLEEP);
837 		ASSERT(((uintptr_t)mpcb->mpcb_wbuf & 7) == 0);
838 		mpcb->mpcb_wstate = WSTATE_USER64;
840 	    mpcb->mpcb_wstate != WSTATE_USER32) {
841 		ASSERT(mpcb->mpcb_wbcnt == 0);
842 		kmem_cache_free(wbuf64_cache, mpcb->mpcb_wbuf);
843 		mpcb->mpcb_wbuf = kmem_cache_alloc(wbuf32_cache, KM_SLEEP);
844 		mpcb->mpcb_wstate = WSTATE_USER32;
846 	mpcb->mpcb_pa = va_to_pa(mpcb);
847 	mpcb->mpcb_wbuf_pa = va_to_pa(mpcb->mpcb_wbuf);
866 	struct machpcb *mpcb = lwptompcb(ttolwp(tp));
868 	mpcb->mpcb_pa = va_to_pa(mpcb);
869 	mpcb->mpcb_wbuf_pa = va_to_pa(mpcb->mpcb_wbuf);
906 	struct machpcb *mpcb;
920 	mpcb = lwptompcb(lwp);
926 	mpcb->mpcb_rsp[0] = NULL;
927 	mpcb->mpcb_rsp[1] = NULL;
950 	mpcb = lwptompcb(lwp);
951 	if (mpcb->mpcb_wbcnt != 0) {
952 		gwin_size = (mpcb->mpcb_wbcnt * sizeof (struct rwindow)) +
993 		    mpcb->mpcb_wbcnt != 0 &&
1103 		copyout_noerr(mpcb->mpcb_fpu_q, fqp, fpq_size);
1114 		mpcb->mpcb_fpu->fpu_qcnt = 0;
1118 		mpcb->mpcb_flags |= FP_TRAPPED;
1133 	if (mpcb->mpcb_wbcnt == 0) {
1151 	mpcb->mpcb_wbcnt = 0;		/* let user go on */
1237 	struct machpcb *mpcb;
1251 	mpcb = lwptompcb(lwp);
1257 	mpcb->mpcb_rsp[0] = NULL;
1258 	mpcb->mpcb_rsp[1] = NULL;
1278 	mpcb = lwptompcb(lwp);
1279 	if (mpcb->mpcb_wbcnt != 0) {
1280 		gwin_size = (mpcb->mpcb_wbcnt * sizeof (struct rwindow32)) +
1323 		    mpcb->mpcb_wbcnt != 0 &&
1450 		mpcb->mpcb_fpu->fpu_qcnt = 0;
1454 		mpcb->mpcb_flags |= FP_TRAPPED;
1470 	if (mpcb->mpcb_wbcnt == 0) {
1494 	mpcb->mpcb_wbcnt = 0;		/* let user go on */