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
209 	struct pt_regs *regs = tsk->thread.regs;  in setup_tm_sigcontexts()
210 	unsigned long msr = tsk->thread.regs->msr;  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()
237 	if (tsk->thread.used_vr) {  in setup_tm_sigcontexts()
239 		err |= __copy_to_user(v_regs, &tsk->thread.ckvr_state,  in setup_tm_sigcontexts()
246 					      &tsk->thread.vr_state,  in setup_tm_sigcontexts()
250 					      &tsk->thread.ckvr_state,  in setup_tm_sigcontexts()
262 		tsk->thread.ckvrsave = mfspr(SPRN_VRSAVE);  in setup_tm_sigcontexts()
263 	err |= __put_user(tsk->thread.ckvrsave, (u32 __user *)&v_regs[33]);  in setup_tm_sigcontexts()
265 		err |= __put_user(tsk->thread.vrsave,  in setup_tm_sigcontexts()
268 		err |= __put_user(tsk->thread.ckvrsave,  in setup_tm_sigcontexts()
277 	err |= copy_ckfpr_to_user(&sc->fp_regs, tsk);  in setup_tm_sigcontexts()
279 		err |= copy_fpr_to_user(&tm_sc->fp_regs, tsk);  in setup_tm_sigcontexts()
281 		err |= copy_ckfpr_to_user(&tm_sc->fp_regs, tsk);  in setup_tm_sigcontexts()
289 	if (tsk->thread.used_vsr) {  in setup_tm_sigcontexts()
293 		err |= copy_ckvsx_to_user(v_regs, tsk);  in setup_tm_sigcontexts()
296 			err |= copy_vsx_to_user(tm_v_regs, tsk);  in setup_tm_sigcontexts()
298 			err |= copy_ckvsx_to_user(tm_v_regs, tsk);  in setup_tm_sigcontexts()
312 			      &tsk->thread.ckpt_regs, GP_REGS_SIZE);  in setup_tm_sigcontexts()
328 static long restore_sigcontext(struct task_struct *tsk, sigset_t *set, int sig,  in restore_sigcontext()  argument
337 	struct pt_regs *regs = tsk->thread.regs;  in restore_sigcontext()
342 	BUG_ON(tsk != current);  in restore_sigcontext()
386 		err |= __copy_from_user(&tsk->thread.vr_state, v_regs,  in restore_sigcontext()
388 		tsk->thread.used_vr = true;  in restore_sigcontext()
389 	} else if (tsk->thread.used_vr) {  in restore_sigcontext()
390 		memset(&tsk->thread.vr_state, 0, 33 * sizeof(vector128));  in restore_sigcontext()
394 		err |= __get_user(tsk->thread.vrsave, (u32 __user *)&v_regs[33]);  in restore_sigcontext()
396 		tsk->thread.vrsave = 0;  in restore_sigcontext()
398 		mtspr(SPRN_VRSAVE, tsk->thread.vrsave);  in restore_sigcontext()
401 	err |= copy_fpr_from_user(tsk, &sc->fp_regs);  in restore_sigcontext()
410 		err |= copy_vsx_from_user(tsk, v_regs);  in restore_sigcontext()
411 		tsk->thread.used_vsr = true;  in restore_sigcontext()
414 			tsk->thread.fp_state.fpr[i][TS_VSRLOWOFFSET] = 0;  in restore_sigcontext()
425 static long restore_tm_sigcontexts(struct task_struct *tsk,  in restore_tm_sigcontexts()  argument
434 	struct pt_regs *regs = tsk->thread.regs;  in restore_tm_sigcontexts()
439 	BUG_ON(tsk != current);  in restore_tm_sigcontexts()
446 	err |= __copy_from_user(&tsk->thread.ckpt_regs, sc->gp_regs,  in restore_tm_sigcontexts()
458 	err |= __get_user(tsk->thread.tm_tfhar, &sc->gp_regs[PT_NIP]);  in restore_tm_sigcontexts()
474 	err |= __get_user(tsk->thread.ckpt_regs.ctr,  in restore_tm_sigcontexts()
476 	err |= __get_user(tsk->thread.ckpt_regs.link,  in restore_tm_sigcontexts()
478 	err |= __get_user(tsk->thread.ckpt_regs.xer,  in restore_tm_sigcontexts()
480 	err |= __get_user(tsk->thread.ckpt_regs.ccr,  in restore_tm_sigcontexts()
507 		err |= __copy_from_user(&tsk->thread.ckvr_state, v_regs,  in restore_tm_sigcontexts()
509 		err |= __copy_from_user(&tsk->thread.vr_state, tm_v_regs,  in restore_tm_sigcontexts()
513 	else if (tsk->thread.used_vr) {  in restore_tm_sigcontexts()
514 		memset(&tsk->thread.vr_state, 0, 33 * sizeof(vector128));  in restore_tm_sigcontexts()
515 		memset(&tsk->thread.ckvr_state, 0, 33 * sizeof(vector128));  in restore_tm_sigcontexts()
519 		err |= __get_user(tsk->thread.ckvrsave,  in restore_tm_sigcontexts()
521 		err |= __get_user(tsk->thread.vrsave,  in restore_tm_sigcontexts()
525 		tsk->thread.vrsave = 0;  in restore_tm_sigcontexts()
526 		tsk->thread.ckvrsave = 0;  in restore_tm_sigcontexts()
529 		mtspr(SPRN_VRSAVE, tsk->thread.vrsave);  in restore_tm_sigcontexts()
532 	err |= copy_fpr_from_user(tsk, &tm_sc->fp_regs);  in restore_tm_sigcontexts()
533 	err |= copy_ckfpr_from_user(tsk, &sc->fp_regs);  in restore_tm_sigcontexts()
543 		err |= copy_vsx_from_user(tsk, tm_v_regs);  in restore_tm_sigcontexts()
544 		err |= copy_ckvsx_from_user(tsk, v_regs);  in restore_tm_sigcontexts()
545 		tsk->thread.used_vsr = true;  in restore_tm_sigcontexts()
548 			tsk->thread.fp_state.fpr[i][TS_VSRLOWOFFSET] = 0;  in restore_tm_sigcontexts()
549 			tsk->thread.ckfp_state.fpr[i][TS_VSRLOWOFFSET] = 0;  in restore_tm_sigcontexts()
555 	tsk->thread.tm_texasr |= TEXASR_FS;  in restore_tm_sigcontexts()
585 	tm_recheckpoint(&tsk->thread);  in restore_tm_sigcontexts()
589 		load_fp_state(&tsk->thread.fp_state);  in restore_tm_sigcontexts()
590 		regs->msr |= (MSR_FP | tsk->thread.fpexc_mode);  in restore_tm_sigcontexts()
593 		load_vr_state(&tsk->thread.vr_state);  in restore_tm_sigcontexts()
821 		struct task_struct *tsk)  in handle_rt_signal64()  argument
826 	struct pt_regs *regs = tsk->thread.regs;  in handle_rt_signal64()
828 	BUG_ON(tsk != current);  in handle_rt_signal64()
830 	frame = get_sigframe(ksig, get_tm_stackpointer(tsk), sizeof(*frame), 0);  in handle_rt_signal64()
851 					    tsk, ksig->sig, NULL,  in handle_rt_signal64()
857 		err |= setup_sigcontext(&frame->uc.uc_mcontext, tsk, ksig->sig,  in handle_rt_signal64()
866 	tsk->thread.fp_state.fpscr = 0;  in handle_rt_signal64()
869 	if (vdso64_rt_sigtramp && tsk->mm->context.vdso_base) {  in handle_rt_signal64()
870 		regs->link = tsk->mm->context.vdso_base + vdso64_rt_sigtramp;  in handle_rt_signal64()
920 				   tsk->comm, tsk->pid, "setup_rt_frame",  in handle_rt_signal64()