106 	int err = 0;  in copy_fpu_to_sigcontext()  local
112 		err |=  in copy_fpu_to_sigcontext()
116 	err |= __put_user(current->thread.fpu.fcc, fcc);  in copy_fpu_to_sigcontext()
117 	err |= __put_user(current->thread.fpu.fcsr, fcsr);  in copy_fpu_to_sigcontext()
119 	return err;  in copy_fpu_to_sigcontext()
125 	int err = 0;  in copy_fpu_from_sigcontext()  local
132 		err |= __get_user(fpr_val, &regs[i]);  in copy_fpu_from_sigcontext()
135 	err |= __get_user(current->thread.fpu.fcc, fcc);  in copy_fpu_from_sigcontext()
136 	err |= __get_user(current->thread.fpu.fcsr, fcsr);  in copy_fpu_from_sigcontext()
138 	return err;  in copy_fpu_from_sigcontext()
144 	int err = 0;  in copy_lsx_to_sigcontext()  local
150 		err |= __put_user(get_fpr64(&current->thread.fpu.fpr[i], 0),  in copy_lsx_to_sigcontext()
152 		err |= __put_user(get_fpr64(&current->thread.fpu.fpr[i], 1),  in copy_lsx_to_sigcontext()
155 	err |= __put_user(current->thread.fpu.fcc, fcc);  in copy_lsx_to_sigcontext()
156 	err |= __put_user(current->thread.fpu.fcsr, fcsr);  in copy_lsx_to_sigcontext()
158 	return err;  in copy_lsx_to_sigcontext()
164 	int err = 0;  in copy_lsx_from_sigcontext()  local
171 		err |= __get_user(fpr_val, &regs[2*i]);  in copy_lsx_from_sigcontext()
173 		err |= __get_user(fpr_val, &regs[2*i+1]);  in copy_lsx_from_sigcontext()
176 	err |= __get_user(current->thread.fpu.fcc, fcc);  in copy_lsx_from_sigcontext()
177 	err |= __get_user(current->thread.fpu.fcsr, fcsr);  in copy_lsx_from_sigcontext()
179 	return err;  in copy_lsx_from_sigcontext()
185 	int err = 0;  in copy_lasx_to_sigcontext()  local
191 		err |= __put_user(get_fpr64(&current->thread.fpu.fpr[i], 0),  in copy_lasx_to_sigcontext()
193 		err |= __put_user(get_fpr64(&current->thread.fpu.fpr[i], 1),  in copy_lasx_to_sigcontext()
195 		err |= __put_user(get_fpr64(&current->thread.fpu.fpr[i], 2),  in copy_lasx_to_sigcontext()
197 		err |= __put_user(get_fpr64(&current->thread.fpu.fpr[i], 3),  in copy_lasx_to_sigcontext()
200 	err |= __put_user(current->thread.fpu.fcc, fcc);  in copy_lasx_to_sigcontext()
201 	err |= __put_user(current->thread.fpu.fcsr, fcsr);  in copy_lasx_to_sigcontext()
203 	return err;  in copy_lasx_to_sigcontext()
209 	int err = 0;  in copy_lasx_from_sigcontext()  local
216 		err |= __get_user(fpr_val, &regs[4*i]);  in copy_lasx_from_sigcontext()
218 		err |= __get_user(fpr_val, &regs[4*i+1]);  in copy_lasx_from_sigcontext()
220 		err |= __get_user(fpr_val, &regs[4*i+2]);  in copy_lasx_from_sigcontext()
222 		err |= __get_user(fpr_val, &regs[4*i+3]);  in copy_lasx_from_sigcontext()
225 	err |= __get_user(current->thread.fpu.fcc, fcc);  in copy_lasx_from_sigcontext()
226 	err |= __get_user(current->thread.fpu.fcsr, fcsr);  in copy_lasx_from_sigcontext()
228 	return err;  in copy_lasx_from_sigcontext()
234 	int err = 0;  in copy_lbt_to_sigcontext()  local
238 	err |= __put_user(current->thread.lbt.scr0, &regs[0]);  in copy_lbt_to_sigcontext()
239 	err |= __put_user(current->thread.lbt.scr1, &regs[1]);  in copy_lbt_to_sigcontext()
240 	err |= __put_user(current->thread.lbt.scr2, &regs[2]);  in copy_lbt_to_sigcontext()
241 	err |= __put_user(current->thread.lbt.scr3, &regs[3]);  in copy_lbt_to_sigcontext()
242 	err |= __put_user(current->thread.lbt.eflags, eflags);  in copy_lbt_to_sigcontext()
244 	return err;  in copy_lbt_to_sigcontext()
249 	int err = 0;  in copy_lbt_from_sigcontext()  local
253 	err |= __get_user(current->thread.lbt.scr0, &regs[0]);  in copy_lbt_from_sigcontext()
254 	err |= __get_user(current->thread.lbt.scr1, &regs[1]);  in copy_lbt_from_sigcontext()
255 	err |= __get_user(current->thread.lbt.scr2, &regs[2]);  in copy_lbt_from_sigcontext()
256 	err |= __get_user(current->thread.lbt.scr3, &regs[3]);  in copy_lbt_from_sigcontext()
257 	err |= __get_user(current->thread.lbt.eflags, eflags);  in copy_lbt_from_sigcontext()
259 	return err;  in copy_lbt_from_sigcontext()
371 	int err, sig = 0;  in fcsr_pending()  local
374 	err = __get_user(csr, fcsr);  in fcsr_pending()
382 		err |= __put_user(csr, fcsr);  in fcsr_pending()
385 	return err ?: sig;  in fcsr_pending()
393 	int err = 0;  in protected_save_fpu_context()  local
403 			err = save_hw_fpu_context(fpu_ctx);  in protected_save_fpu_context()
405 			err = copy_fpu_to_sigcontext(fpu_ctx);  in protected_save_fpu_context()
408 		err |= __put_user(FPU_CTX_MAGIC, &info->magic);  in protected_save_fpu_context()
409 		err |= __put_user(extctx->fpu.size, &info->size);  in protected_save_fpu_context()
411 		if (likely(!err))  in protected_save_fpu_context()
414 		err = __put_user(0, &regs[0]) |  in protected_save_fpu_context()
418 		if (err)  in protected_save_fpu_context()
419 			return err;	/* really bad sigcontext */  in protected_save_fpu_context()
422 	return err;  in protected_save_fpu_context()
427 	int err = 0, sig = 0, tmp __maybe_unused;  in protected_restore_fpu_context()  local
434 	err = sig = fcsr_pending(fcsr);  in protected_restore_fpu_context()
435 	if (err < 0)  in protected_restore_fpu_context()
436 		return err;  in protected_restore_fpu_context()
441 			err = restore_hw_fpu_context(fpu_ctx);  in protected_restore_fpu_context()
443 			err = copy_fpu_from_sigcontext(fpu_ctx);  in protected_restore_fpu_context()
446 		if (likely(!err))  in protected_restore_fpu_context()
449 		err = __get_user(tmp, &regs[0]) |  in protected_restore_fpu_context()
453 		if (err)  in protected_restore_fpu_context()
457 	return err ?: sig;  in protected_restore_fpu_context()
462 	int err = 0;  in protected_save_lsx_context()  local
472 			err = save_hw_lsx_context(lsx_ctx);  in protected_save_lsx_context()
476 			err = copy_lsx_to_sigcontext(lsx_ctx);  in protected_save_lsx_context()
480 		err |= __put_user(LSX_CTX_MAGIC, &info->magic);  in protected_save_lsx_context()
481 		err |= __put_user(extctx->lsx.size, &info->size);  in protected_save_lsx_context()
483 		if (likely(!err))  in protected_save_lsx_context()
486 		err = __put_user(0, &regs[0]) |  in protected_save_lsx_context()
490 		if (err)  in protected_save_lsx_context()
491 			return err;	/* really bad sigcontext */  in protected_save_lsx_context()
494 	return err;  in protected_save_lsx_context()
499 	int err = 0, sig = 0, tmp __maybe_unused;  in protected_restore_lsx_context()  local
506 	err = sig = fcsr_pending(fcsr);  in protected_restore_lsx_context()
507 	if (err < 0)  in protected_restore_lsx_context()
508 		return err;  in protected_restore_lsx_context()
513 			err = restore_hw_lsx_context(lsx_ctx);  in protected_restore_lsx_context()
515 			err = copy_lsx_from_sigcontext(lsx_ctx);  in protected_restore_lsx_context()
521 		if (likely(!err))  in protected_restore_lsx_context()
524 		err = __get_user(tmp, &regs[0]) |  in protected_restore_lsx_context()
528 		if (err)  in protected_restore_lsx_context()
532 	return err ?: sig;  in protected_restore_lsx_context()
537 	int err = 0;  in protected_save_lasx_context()  local
548 			err = save_hw_lasx_context(lasx_ctx);  in protected_save_lasx_context()
554 			err = copy_lasx_to_sigcontext(lasx_ctx);  in protected_save_lasx_context()
558 		err |= __put_user(LASX_CTX_MAGIC, &info->magic);  in protected_save_lasx_context()
559 		err |= __put_user(extctx->lasx.size, &info->size);  in protected_save_lasx_context()
561 		if (likely(!err))  in protected_save_lasx_context()
564 		err = __put_user(0, &regs[0]) |  in protected_save_lasx_context()
568 		if (err)  in protected_save_lasx_context()
569 			return err;	/* really bad sigcontext */  in protected_save_lasx_context()
572 	return err;  in protected_save_lasx_context()
577 	int err = 0, sig = 0, tmp __maybe_unused;  in protected_restore_lasx_context()  local
585 	err = sig = fcsr_pending(fcsr);  in protected_restore_lasx_context()
586 	if (err < 0)  in protected_restore_lasx_context()
587 		return err;  in protected_restore_lasx_context()
592 			err = restore_hw_lasx_context(lasx_ctx);  in protected_restore_lasx_context()
594 			err = copy_lasx_from_sigcontext(lasx_ctx);  in protected_restore_lasx_context()
602 		if (likely(!err))  in protected_restore_lasx_context()
605 		err = __get_user(tmp, &regs[0]) |  in protected_restore_lasx_context()
609 		if (err)  in protected_restore_lasx_context()
613 	return err ?: sig;  in protected_restore_lasx_context()
619 	int err = 0;  in protected_save_lbt_context()  local
629 			err |= save_hw_lbt_context(lbt_ctx);  in protected_save_lbt_context()
631 			err |= copy_lbt_to_sigcontext(lbt_ctx);  in protected_save_lbt_context()
633 			err |= save_hw_ftop_context(lbt_ctx);  in protected_save_lbt_context()
635 			err |= copy_ftop_to_sigcontext(lbt_ctx);  in protected_save_lbt_context()
638 		err |= __put_user(LBT_CTX_MAGIC, &info->magic);  in protected_save_lbt_context()
639 		err |= __put_user(extctx->lbt.size, &info->size);  in protected_save_lbt_context()
641 		if (likely(!err))  in protected_save_lbt_context()
644 		err = __put_user(0, &regs[0]) | __put_user(0, eflags);  in protected_save_lbt_context()
646 		if (err)  in protected_save_lbt_context()
647 			return err;  in protected_save_lbt_context()
650 	return err;  in protected_save_lbt_context()
655 	int err = 0, tmp __maybe_unused;  in protected_restore_lbt_context()  local
665 			err |= restore_hw_lbt_context(lbt_ctx);  in protected_restore_lbt_context()
667 			err |= copy_lbt_from_sigcontext(lbt_ctx);  in protected_restore_lbt_context()
669 			err |= restore_hw_ftop_context(lbt_ctx);  in protected_restore_lbt_context()
671 			err |= copy_ftop_from_sigcontext(lbt_ctx);  in protected_restore_lbt_context()
674 		if (likely(!err))  in protected_restore_lbt_context()
677 		err = __get_user(tmp, &regs[0]) | __get_user(tmp, eflags);  in protected_restore_lbt_context()
679 		if (err)  in protected_restore_lbt_context()
680 			return err;  in protected_restore_lbt_context()
683 	return err;  in protected_restore_lbt_context()
690 	int i, err = 0;  in setup_sigcontext()  local
693 	err |= __put_user(regs->csr_era, &sc->sc_pc);  in setup_sigcontext()
694 	err |= __put_user(extctx->flags, &sc->sc_flags);  in setup_sigcontext()
696 	err |= __put_user(0, &sc->sc_regs[0]);  in setup_sigcontext()
698 		err |= __put_user(regs->regs[i], &sc->sc_regs[i]);  in setup_sigcontext()
701 		err |= protected_save_lasx_context(extctx);  in setup_sigcontext()
703 		err |= protected_save_lsx_context(extctx);  in setup_sigcontext()
705 		err |= protected_save_fpu_context(extctx);  in setup_sigcontext()
709 		err |= protected_save_lbt_context(extctx);  in setup_sigcontext()
714 	err |= __put_user(0, &info->magic);  in setup_sigcontext()
715 	err |= __put_user(0, &info->size);  in setup_sigcontext()
717 	return err;  in setup_sigcontext()
722 	int err = 0;  in parse_extcontext()  local
727 		err |= __get_user(magic, &info->magic);  in parse_extcontext()
728 		err |= __get_user(size, &info->size);  in parse_extcontext()
729 		if (err)  in parse_extcontext()
730 			return err;  in parse_extcontext()
780 	int i, err = 0;  in restore_sigcontext()  local
785 	err = __get_user(extctx.flags, &sc->sc_flags);  in restore_sigcontext()
786 	if (err)  in restore_sigcontext()
789 	err = parse_extcontext(sc, &extctx);  in restore_sigcontext()
790 	if (err)  in restore_sigcontext()
805 	err |= __get_user(regs->csr_era, &sc->sc_pc);  in restore_sigcontext()
807 		err |= __get_user(regs->regs[i], &sc->sc_regs[i]);  in restore_sigcontext()
810 		err |= protected_restore_lasx_context(&extctx);  in restore_sigcontext()
812 		err |= protected_restore_lsx_context(&extctx);  in restore_sigcontext()
814 		err |= protected_restore_fpu_context(&extctx);  in restore_sigcontext()
818 		err |= protected_restore_lbt_context(&extctx);  in restore_sigcontext()
822 	return err;  in restore_sigcontext()
962 	int err = 0;  in setup_rt_frame()  local
971 	err |= copy_siginfo_to_user(&frame->rs_info, &ksig->info);  in setup_rt_frame()
974 	err |= __put_user(0, &frame->rs_uctx.uc_flags);  in setup_rt_frame()
975 	err |= __put_user(NULL, &frame->rs_uctx.uc_link);  in setup_rt_frame()
976 	err |= __save_altstack(&frame->rs_uctx.uc_stack, regs->regs[3]);  in setup_rt_frame()
977 	err |= setup_sigcontext(regs, &frame->rs_uctx.uc_mcontext, &extctx);  in setup_rt_frame()
978 	err |= __copy_to_user(&frame->rs_uctx.uc_sigmask, set, sizeof(*set));  in setup_rt_frame()
980 	if (err)  in setup_rt_frame()