92 		struct task_struct *tsk, int signr, sigset_t *set,  in setup_sigcontext()  argument
107 	struct pt_regs *regs = tsk->thread.regs;  in setup_sigcontext()
113 	BUG_ON(tsk != current);  in setup_sigcontext()
119 	if (tsk->thread.used_vr) {  in setup_sigcontext()
120 		flush_altivec_to_thread(tsk);  in setup_sigcontext()
122 		err |= __copy_to_user(v_regs, &tsk->thread.vr_state,  in setup_sigcontext()
135 		tsk->thread.vrsave = vrsave;  in setup_sigcontext()
142 	flush_fp_to_thread(tsk);  in setup_sigcontext()
144 	err |= copy_fpr_to_user(&sc->fp_regs, tsk);  in setup_sigcontext()
157 	if (tsk->thread.used_vsr && ctx_has_vsx_region) {  in setup_sigcontext()
158 		flush_vsx_to_thread(tsk);  in setup_sigcontext()
160 		err |= copy_vsx_to_user(v_regs, tsk);  in setup_sigcontext()
194 				 struct task_struct *tsk,  in setup_tm_sigcontexts()  argument
210 	struct pt_regs *regs = tsk->thread.regs;  in setup_tm_sigcontexts()
213 	BUG_ON(tsk != current);  in setup_tm_sigcontexts()
223 	msr |= tsk->thread.ckpt_regs.msr & (MSR_FP | MSR_VEC | MSR_VSX);  in setup_tm_sigcontexts()
230 	if (tsk->thread.used_vr) {  in setup_tm_sigcontexts()
232 		err |= __copy_to_user(v_regs, &tsk->thread.ckvr_state,  in setup_tm_sigcontexts()
239 					      &tsk->thread.vr_state,  in setup_tm_sigcontexts()
243 					      &tsk->thread.ckvr_state,  in setup_tm_sigcontexts()
255 		tsk->thread.ckvrsave = mfspr(SPRN_VRSAVE);  in setup_tm_sigcontexts()
256 	err |= __put_user(tsk->thread.ckvrsave, (u32 __user *)&v_regs[33]);  in setup_tm_sigcontexts()
258 		err |= __put_user(tsk->thread.vrsave,  in setup_tm_sigcontexts()
261 		err |= __put_user(tsk->thread.ckvrsave,  in setup_tm_sigcontexts()
270 	err |= copy_ckfpr_to_user(&sc->fp_regs, tsk);  in setup_tm_sigcontexts()
272 		err |= copy_fpr_to_user(&tm_sc->fp_regs, tsk);  in setup_tm_sigcontexts()
274 		err |= copy_ckfpr_to_user(&tm_sc->fp_regs, tsk);  in setup_tm_sigcontexts()
282 	if (tsk->thread.used_vsr) {  in setup_tm_sigcontexts()
286 		err |= copy_ckvsx_to_user(v_regs, tsk);  in setup_tm_sigcontexts()
289 			err |= copy_vsx_to_user(tm_v_regs, tsk);  in setup_tm_sigcontexts()
291 			err |= copy_ckvsx_to_user(tm_v_regs, tsk);  in setup_tm_sigcontexts()
305 			      &tsk->thread.ckpt_regs, GP_REGS_SIZE);  in setup_tm_sigcontexts()
321 static long restore_sigcontext(struct task_struct *tsk, sigset_t *set, int sig,  in restore_sigcontext()  argument
330 	struct pt_regs *regs = tsk->thread.regs;  in restore_sigcontext()
335 	BUG_ON(tsk != current);  in restore_sigcontext()
379 		err |= __copy_from_user(&tsk->thread.vr_state, v_regs,  in restore_sigcontext()
381 		tsk->thread.used_vr = true;  in restore_sigcontext()
382 	} else if (tsk->thread.used_vr) {  in restore_sigcontext()
383 		memset(&tsk->thread.vr_state, 0, 33 * sizeof(vector128));  in restore_sigcontext()
387 		err |= __get_user(tsk->thread.vrsave, (u32 __user *)&v_regs[33]);  in restore_sigcontext()
389 		tsk->thread.vrsave = 0;  in restore_sigcontext()
391 		mtspr(SPRN_VRSAVE, tsk->thread.vrsave);  in restore_sigcontext()
394 	err |= copy_fpr_from_user(tsk, &sc->fp_regs);  in restore_sigcontext()
403 		err |= copy_vsx_from_user(tsk, v_regs);  in restore_sigcontext()
404 		tsk->thread.used_vsr = true;  in restore_sigcontext()
407 			tsk->thread.fp_state.fpr[i][TS_VSRLOWOFFSET] = 0;  in restore_sigcontext()
418 static long restore_tm_sigcontexts(struct task_struct *tsk,  in restore_tm_sigcontexts()  argument
427 	struct pt_regs *regs = tsk->thread.regs;  in restore_tm_sigcontexts()
432 	BUG_ON(tsk != current);  in restore_tm_sigcontexts()
439 	err |= __copy_from_user(&tsk->thread.ckpt_regs, sc->gp_regs,  in restore_tm_sigcontexts()
451 	err |= __get_user(tsk->thread.tm_tfhar, &sc->gp_regs[PT_NIP]);  in restore_tm_sigcontexts()
467 	err |= __get_user(tsk->thread.ckpt_regs.ctr,  in restore_tm_sigcontexts()
469 	err |= __get_user(tsk->thread.ckpt_regs.link,  in restore_tm_sigcontexts()
471 	err |= __get_user(tsk->thread.ckpt_regs.xer,  in restore_tm_sigcontexts()
473 	err |= __get_user(tsk->thread.ckpt_regs.ccr,  in restore_tm_sigcontexts()
500 		err |= __copy_from_user(&tsk->thread.ckvr_state, v_regs,  in restore_tm_sigcontexts()
502 		err |= __copy_from_user(&tsk->thread.vr_state, tm_v_regs,  in restore_tm_sigcontexts()
506 	else if (tsk->thread.used_vr) {  in restore_tm_sigcontexts()
507 		memset(&tsk->thread.vr_state, 0, 33 * sizeof(vector128));  in restore_tm_sigcontexts()
508 		memset(&tsk->thread.ckvr_state, 0, 33 * sizeof(vector128));  in restore_tm_sigcontexts()
512 		err |= __get_user(tsk->thread.ckvrsave,  in restore_tm_sigcontexts()
514 		err |= __get_user(tsk->thread.vrsave,  in restore_tm_sigcontexts()
518 		tsk->thread.vrsave = 0;  in restore_tm_sigcontexts()
519 		tsk->thread.ckvrsave = 0;  in restore_tm_sigcontexts()
522 		mtspr(SPRN_VRSAVE, tsk->thread.vrsave);  in restore_tm_sigcontexts()
525 	err |= copy_fpr_from_user(tsk, &tm_sc->fp_regs);  in restore_tm_sigcontexts()
526 	err |= copy_ckfpr_from_user(tsk, &sc->fp_regs);  in restore_tm_sigcontexts()
536 		err |= copy_vsx_from_user(tsk, tm_v_regs);  in restore_tm_sigcontexts()
537 		err |= copy_ckvsx_from_user(tsk, v_regs);  in restore_tm_sigcontexts()
538 		tsk->thread.used_vsr = true;  in restore_tm_sigcontexts()
541 			tsk->thread.fp_state.fpr[i][TS_VSRLOWOFFSET] = 0;  in restore_tm_sigcontexts()
542 			tsk->thread.ckfp_state.fpr[i][TS_VSRLOWOFFSET] = 0;  in restore_tm_sigcontexts()
548 	tsk->thread.tm_texasr |= TEXASR_FS;  in restore_tm_sigcontexts()
578 	tm_recheckpoint(&tsk->thread);  in restore_tm_sigcontexts()
582 		load_fp_state(&tsk->thread.fp_state);  in restore_tm_sigcontexts()
583 		regs->msr |= (MSR_FP | tsk->thread.fpexc_mode);  in restore_tm_sigcontexts()
586 		load_vr_state(&tsk->thread.vr_state);  in restore_tm_sigcontexts()
814 		struct task_struct *tsk)  in handle_rt_signal64()  argument
819 	struct pt_regs *regs = tsk->thread.regs;  in handle_rt_signal64()
825 	BUG_ON(tsk != current);  in handle_rt_signal64()
827 	frame = get_sigframe(ksig, get_tm_stackpointer(tsk), sizeof(*frame), 0);  in handle_rt_signal64()
848 					    tsk, ksig->sig, NULL,  in handle_rt_signal64()
855 		err |= setup_sigcontext(&frame->uc.uc_mcontext, tsk, ksig->sig,  in handle_rt_signal64()
864 	tsk->thread.fp_state.fpscr = 0;  in handle_rt_signal64()
867 	if (vdso64_rt_sigtramp && tsk->mm->context.vdso_base) {  in handle_rt_signal64()
868 		regs->nip = tsk->mm->context.vdso_base + vdso64_rt_sigtramp;  in handle_rt_signal64()
918 				   tsk->comm, tsk->pid, "setup_rt_frame",  in handle_rt_signal64()