75 	int err = 0;  in copy_fp_to_sigcontext()  local
79 		err |=  in copy_fp_to_sigcontext()
83 	err |= __put_user(current->thread.fpu.fcr31, csr);  in copy_fp_to_sigcontext()
85 	return err;  in copy_fp_to_sigcontext()
94 	int err = 0;  in copy_fp_from_sigcontext()  local
99 		err |= __get_user(fpr_val, &fpregs[i]);  in copy_fp_from_sigcontext()
102 	err |= __get_user(current->thread.fpu.fcr31, csr);  in copy_fp_from_sigcontext()
104 	return err;  in copy_fp_from_sigcontext()
149 	int i, err;  in save_msa_extcontext()  local
170 		err = __put_user(read_msa_csr(), &msa->csr);  in save_msa_extcontext()
171 		err |= _save_msa_all_upper(&msa->wr);  in save_msa_extcontext()
177 		err = __put_user(current->thread.fpu.msacsr, &msa->csr);  in save_msa_extcontext()
181 			err |= __put_user(val, &msa->wr[i]);  in save_msa_extcontext()
185 	err |= __put_user(MSA_EXTCONTEXT_MAGIC, &msa->ext.magic);  in save_msa_extcontext()
186 	err |= __put_user(sizeof(*msa), &msa->ext.size);  in save_msa_extcontext()
188 	return err ? -EFAULT : sizeof(*msa);  in save_msa_extcontext()
196 	int i, err;  in restore_msa_extcontext()  local
204 	err = get_user(csr, &msa->csr);  in restore_msa_extcontext()
205 	if (err)  in restore_msa_extcontext()
206 		return err;  in restore_msa_extcontext()
221 		err |= _restore_msa_all_upper(&msa->wr);  in restore_msa_extcontext()
229 			err |= __get_user(val, &msa->wr[i]);  in restore_msa_extcontext()
234 	return err;  in restore_msa_extcontext()
261 	int err;  in restore_extcontext()  local
264 		err = __get_user(ext.magic, (unsigned int *)buf);  in restore_extcontext()
265 		if (err)  in restore_extcontext()
266 			return err;  in restore_extcontext()
271 		err = __get_user(ext.size, (unsigned int *)(buf  in restore_extcontext()
273 		if (err)  in restore_extcontext()
274 			return err;  in restore_extcontext()
278 			err = restore_msa_extcontext(buf, ext.size);  in restore_extcontext()
282 			err = -EINVAL;  in restore_extcontext()
286 		if (err)  in restore_extcontext()
287 			return err;  in restore_extcontext()
303 	int err;  in protected_save_fp_context()  local
324 			err = save_fp_context(sc);  in protected_save_fp_context()
328 			err = copy_fp_to_sigcontext(sc);  in protected_save_fp_context()
330 		if (likely(!err))  in protected_save_fp_context()
333 		err = __put_user(0, &fpregs[0]) |  in protected_save_fp_context()
336 		if (err)  in protected_save_fp_context()
337 			return err;	/* really bad sigcontext */  in protected_save_fp_context()
341 	ext_sz = err = save_extcontext(sc_to_extcontext(sc));  in protected_save_fp_context()
342 	if (err < 0)  in protected_save_fp_context()
343 		return err;  in protected_save_fp_context()
356 	int err, sig = 0, tmp __maybe_unused;  in protected_restore_fp_context()  local
358 	err = __get_user(used, used_math);  in protected_restore_fp_context()
365 	if (err || !(used & USED_FP))  in protected_restore_fp_context()
367 	if (err)  in protected_restore_fp_context()
368 		return err;  in protected_restore_fp_context()
372 	err = sig = fpcsr_pending(csr);  in protected_restore_fp_context()
373 	if (err < 0)  in protected_restore_fp_context()
374 		return err;  in protected_restore_fp_context()
387 			err = restore_fp_context(sc);  in protected_restore_fp_context()
391 			err = copy_fp_from_sigcontext(sc);  in protected_restore_fp_context()
393 		if (likely(!err))  in protected_restore_fp_context()
396 		err = __get_user(tmp, &fpregs[0]) |  in protected_restore_fp_context()
399 		if (err)  in protected_restore_fp_context()
404 	if (!err && (used & USED_EXTCONTEXT))  in protected_restore_fp_context()
405 		err = restore_extcontext(sc_to_extcontext(sc));  in protected_restore_fp_context()
407 	return err ?: sig;  in protected_restore_fp_context()
412 	int err = 0;  in setup_sigcontext()  local
415 	err |= __put_user(regs->cp0_epc, &sc->sc_pc);  in setup_sigcontext()
417 	err |= __put_user(0, &sc->sc_regs[0]);  in setup_sigcontext()
419 		err |= __put_user(regs->regs[i], &sc->sc_regs[i]);  in setup_sigcontext()
422 	err |= __put_user(regs->acx, &sc->sc_acx);  in setup_sigcontext()
424 	err |= __put_user(regs->hi, &sc->sc_mdhi);  in setup_sigcontext()
425 	err |= __put_user(regs->lo, &sc->sc_mdlo);  in setup_sigcontext()
427 		err |= __put_user(mfhi1(), &sc->sc_hi1);  in setup_sigcontext()
428 		err |= __put_user(mflo1(), &sc->sc_lo1);  in setup_sigcontext()
429 		err |= __put_user(mfhi2(), &sc->sc_hi2);  in setup_sigcontext()
430 		err |= __put_user(mflo2(), &sc->sc_lo2);  in setup_sigcontext()
431 		err |= __put_user(mfhi3(), &sc->sc_hi3);  in setup_sigcontext()
432 		err |= __put_user(mflo3(), &sc->sc_lo3);  in setup_sigcontext()
433 		err |= __put_user(rddsp(DSP_MASK), &sc->sc_dsp);  in setup_sigcontext()
441 	err |= protected_save_fp_context(sc);  in setup_sigcontext()
443 	return err;  in setup_sigcontext()
470 	int err, sig = 0;  in fpcsr_pending()  local
473 	err = __get_user(csr, fpcsr);  in fpcsr_pending()
481 		err |= __put_user(csr, fpcsr);  in fpcsr_pending()
484 	return err ?: sig;  in fpcsr_pending()
490 	int err = 0;  in restore_sigcontext()  local
496 	err |= __get_user(regs->cp0_epc, &sc->sc_pc);  in restore_sigcontext()
499 	err |= __get_user(regs->acx, &sc->sc_acx);  in restore_sigcontext()
501 	err |= __get_user(regs->hi, &sc->sc_mdhi);  in restore_sigcontext()
502 	err |= __get_user(regs->lo, &sc->sc_mdlo);  in restore_sigcontext()
504 		err |= __get_user(treg, &sc->sc_hi1); mthi1(treg);  in restore_sigcontext()
505 		err |= __get_user(treg, &sc->sc_lo1); mtlo1(treg);  in restore_sigcontext()
506 		err |= __get_user(treg, &sc->sc_hi2); mthi2(treg);  in restore_sigcontext()
507 		err |= __get_user(treg, &sc->sc_lo2); mtlo2(treg);  in restore_sigcontext()
508 		err |= __get_user(treg, &sc->sc_hi3); mthi3(treg);  in restore_sigcontext()
509 		err |= __get_user(treg, &sc->sc_lo3); mtlo3(treg);  in restore_sigcontext()
510 		err |= __get_user(treg, &sc->sc_dsp); wrdsp(treg, DSP_MASK);  in restore_sigcontext()
514 		err |= __get_user(regs->regs[i], &sc->sc_regs[i]);  in restore_sigcontext()
516 	return err ?: protected_restore_fp_context(sc);  in restore_sigcontext()
559 	int err = 0;  in SYSCALL_DEFINE3()  local
566 		err |= __get_user(new_ka.sa.sa_handler, &act->sa_handler);  in SYSCALL_DEFINE3()
567 		err |= __get_user(new_ka.sa.sa_flags, &act->sa_flags);  in SYSCALL_DEFINE3()
568 		err |= __get_user(mask, &act->sa_mask.sig[0]);  in SYSCALL_DEFINE3()
569 		if (err)  in SYSCALL_DEFINE3()
580 		err |= __put_user(old_ka.sa.sa_flags, &oact->sa_flags);  in SYSCALL_DEFINE3()
581 		err |= __put_user(old_ka.sa.sa_handler, &oact->sa_handler);  in SYSCALL_DEFINE3()
582 		err |= __put_user(old_ka.sa.sa_mask.sig[0], oact->sa_mask.sig);  in SYSCALL_DEFINE3()
583 		err |= __put_user(0, &oact->sa_mask.sig[1]);  in SYSCALL_DEFINE3()
584 		err |= __put_user(0, &oact->sa_mask.sig[2]);  in SYSCALL_DEFINE3()
585 		err |= __put_user(0, &oact->sa_mask.sig[3]);  in SYSCALL_DEFINE3()
586 		if (err)  in SYSCALL_DEFINE3()
672 	int err = 0;  in setup_frame()  local
678 	err |= setup_sigcontext(regs, &frame->sf_sc);  in setup_frame()
679 	err |= __copy_to_user(&frame->sf_mask, set, sizeof(*set));  in setup_frame()
680 	if (err)  in setup_frame()
711 	int err = 0;  in setup_rt_frame()  local
718 	err |= copy_siginfo_to_user(&frame->rs_info, &ksig->info);  in setup_rt_frame()
721 	err |= __put_user(0, &frame->rs_uc.uc_flags);  in setup_rt_frame()
722 	err |= __put_user(NULL, &frame->rs_uc.uc_link);  in setup_rt_frame()
723 	err |= __save_altstack(&frame->rs_uc.uc_stack, regs->regs[29]);  in setup_rt_frame()
724 	err |= setup_sigcontext(regs, &frame->rs_uc.uc_mcontext);  in setup_rt_frame()
725 	err |= __copy_to_user(&frame->rs_uc.uc_sigmask, set, sizeof(*set));  in setup_rt_frame()
727 	if (err)  in setup_rt_frame()