96 		struct task_struct *tsk, int signr, sigset_t *set,  in setup_sigcontext()  argument
111 	struct pt_regs *regs = tsk->thread.regs;  in setup_sigcontext()
117 	BUG_ON(tsk != current);  in setup_sigcontext()
123 	if (tsk->thread.used_vr) {  in setup_sigcontext()
124 		flush_altivec_to_thread(tsk);  in setup_sigcontext()
126 		err |= __copy_to_user(v_regs, &tsk->thread.vr_state,  in setup_sigcontext()
139 		tsk->thread.vrsave = vrsave;  in setup_sigcontext()
146 	flush_fp_to_thread(tsk);  in setup_sigcontext()
148 	err |= copy_fpr_to_user(&sc->fp_regs, tsk);  in setup_sigcontext()
161 	if (tsk->thread.used_vsr && ctx_has_vsx_region) {  in setup_sigcontext()
162 		flush_vsx_to_thread(tsk);  in setup_sigcontext()
164 		err |= copy_vsx_to_user(v_regs, tsk);  in setup_sigcontext()
198 				 struct task_struct *tsk,  in setup_tm_sigcontexts()  argument
213 	struct pt_regs *regs = tsk->thread.regs;  in setup_tm_sigcontexts()
214 	unsigned long msr = tsk->thread.regs->msr;  in setup_tm_sigcontexts()
217 	BUG_ON(tsk != current);  in setup_tm_sigcontexts()
227 	msr |= tsk->thread.ckpt_regs.msr & (MSR_FP | MSR_VEC | MSR_VSX);  in setup_tm_sigcontexts()
241 	if (tsk->thread.used_vr) {  in setup_tm_sigcontexts()
243 		err |= __copy_to_user(v_regs, &tsk->thread.ckvr_state,  in setup_tm_sigcontexts()
250 					      &tsk->thread.vr_state,  in setup_tm_sigcontexts()
254 					      &tsk->thread.ckvr_state,  in setup_tm_sigcontexts()
266 		tsk->thread.ckvrsave = mfspr(SPRN_VRSAVE);  in setup_tm_sigcontexts()
267 	err |= __put_user(tsk->thread.ckvrsave, (u32 __user *)&v_regs[33]);  in setup_tm_sigcontexts()
269 		err |= __put_user(tsk->thread.vrsave,  in setup_tm_sigcontexts()
272 		err |= __put_user(tsk->thread.ckvrsave,  in setup_tm_sigcontexts()
281 	err |= copy_ckfpr_to_user(&sc->fp_regs, tsk);  in setup_tm_sigcontexts()
283 		err |= copy_fpr_to_user(&tm_sc->fp_regs, tsk);  in setup_tm_sigcontexts()
285 		err |= copy_ckfpr_to_user(&tm_sc->fp_regs, tsk);  in setup_tm_sigcontexts()
293 	if (tsk->thread.used_vsr) {  in setup_tm_sigcontexts()
297 		err |= copy_ckvsx_to_user(v_regs, tsk);  in setup_tm_sigcontexts()
300 			err |= copy_vsx_to_user(tm_v_regs, tsk);  in setup_tm_sigcontexts()
302 			err |= copy_ckvsx_to_user(tm_v_regs, tsk);  in setup_tm_sigcontexts()
316 			      &tsk->thread.ckpt_regs, GP_REGS_SIZE);  in setup_tm_sigcontexts()
332 static long restore_sigcontext(struct task_struct *tsk, sigset_t *set, int sig,  in restore_sigcontext()  argument
341 	struct pt_regs *regs = tsk->thread.regs;  in restore_sigcontext()
346 	BUG_ON(tsk != current);  in restore_sigcontext()
390 		err |= __copy_from_user(&tsk->thread.vr_state, v_regs,  in restore_sigcontext()
392 		tsk->thread.used_vr = true;  in restore_sigcontext()
393 	} else if (tsk->thread.used_vr) {  in restore_sigcontext()
394 		memset(&tsk->thread.vr_state, 0, 33 * sizeof(vector128));  in restore_sigcontext()
398 		err |= __get_user(tsk->thread.vrsave, (u32 __user *)&v_regs[33]);  in restore_sigcontext()
400 		tsk->thread.vrsave = 0;  in restore_sigcontext()
402 		mtspr(SPRN_VRSAVE, tsk->thread.vrsave);  in restore_sigcontext()
405 	err |= copy_fpr_from_user(tsk, &sc->fp_regs);  in restore_sigcontext()
414 		err |= copy_vsx_from_user(tsk, v_regs);  in restore_sigcontext()
415 		tsk->thread.used_vsr = true;  in restore_sigcontext()
418 			tsk->thread.fp_state.fpr[i][TS_VSRLOWOFFSET] = 0;  in restore_sigcontext()
429 static long restore_tm_sigcontexts(struct task_struct *tsk,  in restore_tm_sigcontexts()  argument
438 	struct pt_regs *regs = tsk->thread.regs;  in restore_tm_sigcontexts()
443 	BUG_ON(tsk != current);  in restore_tm_sigcontexts()
450 	err |= __copy_from_user(&tsk->thread.ckpt_regs, sc->gp_regs,  in restore_tm_sigcontexts()
462 	err |= __get_user(tsk->thread.tm_tfhar, &sc->gp_regs[PT_NIP]);  in restore_tm_sigcontexts()
492 	err |= __get_user(tsk->thread.ckpt_regs.ctr,  in restore_tm_sigcontexts()
494 	err |= __get_user(tsk->thread.ckpt_regs.link,  in restore_tm_sigcontexts()
496 	err |= __get_user(tsk->thread.ckpt_regs.xer,  in restore_tm_sigcontexts()
498 	err |= __get_user(tsk->thread.ckpt_regs.ccr,  in restore_tm_sigcontexts()
526 		err |= __copy_from_user(&tsk->thread.ckvr_state, v_regs,  in restore_tm_sigcontexts()
528 		err |= __copy_from_user(&tsk->thread.vr_state, tm_v_regs,  in restore_tm_sigcontexts()
532 	else if (tsk->thread.used_vr) {  in restore_tm_sigcontexts()
533 		memset(&tsk->thread.vr_state, 0, 33 * sizeof(vector128));  in restore_tm_sigcontexts()
534 		memset(&tsk->thread.ckvr_state, 0, 33 * sizeof(vector128));  in restore_tm_sigcontexts()
538 		err |= __get_user(tsk->thread.ckvrsave,  in restore_tm_sigcontexts()
540 		err |= __get_user(tsk->thread.vrsave,  in restore_tm_sigcontexts()
544 		tsk->thread.vrsave = 0;  in restore_tm_sigcontexts()
545 		tsk->thread.ckvrsave = 0;  in restore_tm_sigcontexts()
548 		mtspr(SPRN_VRSAVE, tsk->thread.vrsave);  in restore_tm_sigcontexts()
551 	err |= copy_fpr_from_user(tsk, &tm_sc->fp_regs);  in restore_tm_sigcontexts()
552 	err |= copy_ckfpr_from_user(tsk, &sc->fp_regs);  in restore_tm_sigcontexts()
562 		err |= copy_vsx_from_user(tsk, tm_v_regs);  in restore_tm_sigcontexts()
563 		err |= copy_ckvsx_from_user(tsk, v_regs);  in restore_tm_sigcontexts()
564 		tsk->thread.used_vsr = true;  in restore_tm_sigcontexts()
567 			tsk->thread.fp_state.fpr[i][TS_VSRLOWOFFSET] = 0;  in restore_tm_sigcontexts()
568 			tsk->thread.ckfp_state.fpr[i][TS_VSRLOWOFFSET] = 0;  in restore_tm_sigcontexts()
574 	tsk->thread.tm_texasr |= TEXASR_FS;  in restore_tm_sigcontexts()
576 	tm_recheckpoint(&tsk->thread);  in restore_tm_sigcontexts()
580 		load_fp_state(&tsk->thread.fp_state);  in restore_tm_sigcontexts()
581 		regs->msr |= (MSR_FP | tsk->thread.fpexc_mode);  in restore_tm_sigcontexts()
584 		load_vr_state(&tsk->thread.vr_state);  in restore_tm_sigcontexts()
766 		struct task_struct *tsk)  in handle_rt_signal64()  argument
771 	struct pt_regs *regs = tsk->thread.regs;  in handle_rt_signal64()
773 	BUG_ON(tsk != current);  in handle_rt_signal64()
775 	frame = get_sigframe(ksig, get_tm_stackpointer(tsk), sizeof(*frame), 0);  in handle_rt_signal64()
796 					    tsk, ksig->sig, NULL,  in handle_rt_signal64()
802 		err |= setup_sigcontext(&frame->uc.uc_mcontext, tsk, ksig->sig,  in handle_rt_signal64()
811 	tsk->thread.fp_state.fpscr = 0;  in handle_rt_signal64()
814 	if (vdso64_rt_sigtramp && tsk->mm->context.vdso_base) {  in handle_rt_signal64()
815 		regs->link = tsk->mm->context.vdso_base + vdso64_rt_sigtramp;  in handle_rt_signal64()
865 				   tsk->comm, tsk->pid, "setup_rt_frame",  in handle_rt_signal64()