97 	if (tsk == current && tsk->thread.regs &&  in check_if_tm_restore_required()
98 	    MSR_TM_ACTIVE(tsk->thread.regs->msr) &&  in check_if_tm_restore_required()
100 		tsk->thread.ckpt_regs.msr = tsk->thread.regs->msr;  in check_if_tm_restore_required()
112 	return msr_tm_active(tsk->thread.regs->msr) &&  in tm_active_with_fp()
113 		(tsk->thread.ckpt_regs.msr & MSR_FP);  in tm_active_with_fp()
118 	return msr_tm_active(tsk->thread.regs->msr) &&  in tm_active_with_altivec()
119 		(tsk->thread.ckpt_regs.msr & MSR_VEC);  in tm_active_with_altivec()
182 	msr = tsk->thread.regs->msr;  in __giveup_fpu()
188 	tsk->thread.regs->msr = msr;  in __giveup_fpu()
207 	if (tsk->thread.regs) {  in flush_fp_to_thread()
217 		if (tsk->thread.regs->msr & MSR_FP) {  in flush_fp_to_thread()
241 	if (current->thread.regs && (current->thread.regs->msr & MSR_FP)) {  in enable_kernel_fp()
250 		if(!msr_tm_active(cpumsr) && msr_tm_active(current->thread.regs->msr))  in enable_kernel_fp()
259 	if (tsk->thread.load_fp || tm_active_with_fp(tsk)) {  in restore_fp()
260 		load_fp_state(&current->thread.fp_state);  in restore_fp()
261 		current->thread.load_fp++;  in restore_fp()
278 	msr = tsk->thread.regs->msr;  in __giveup_altivec()
284 	tsk->thread.regs->msr = msr;  in __giveup_altivec()
305 	if (current->thread.regs && (current->thread.regs->msr & MSR_VEC)) {  in enable_kernel_altivec()
314 		if(!msr_tm_active(cpumsr) && msr_tm_active(current->thread.regs->msr))  in enable_kernel_altivec()
327 	if (tsk->thread.regs) {  in flush_altivec_to_thread()
329 		if (tsk->thread.regs->msr & MSR_VEC) {  in flush_altivec_to_thread()
341 		(tsk->thread.load_vec || tm_active_with_altivec(tsk))) {  in restore_altivec()
342 		load_vr_state(&tsk->thread.vr_state);  in restore_altivec()
343 		tsk->thread.used_vr = 1;  in restore_altivec()
344 		tsk->thread.load_vec++;  in restore_altivec()
358 	unsigned long msr = tsk->thread.regs->msr;  in __giveup_vsx()
390 	if (current->thread.regs &&  in enable_kernel_vsx()
391 	    (current->thread.regs->msr & (MSR_VSX|MSR_VEC|MSR_FP))) {  in enable_kernel_vsx()
400 		if(!msr_tm_active(cpumsr) && msr_tm_active(current->thread.regs->msr))  in enable_kernel_vsx()
409 	if (tsk->thread.regs) {  in flush_vsx_to_thread()
411 		if (tsk->thread.regs->msr & (MSR_VSX|MSR_VEC|MSR_FP)) {  in flush_vsx_to_thread()
423 		tsk->thread.used_vsr = 1;  in restore_vsx()
450 	if (current->thread.regs && (current->thread.regs->msr & MSR_SPE)) {  in enable_kernel_spe()
459 	if (tsk->thread.regs) {  in flush_spe_to_thread()
461 		if (tsk->thread.regs->msr & MSR_SPE) {  in flush_spe_to_thread()
463 			tsk->thread.spefscr = mfspr(SPRN_SPEFSCR);  in flush_spe_to_thread()
499 	if (!tsk->thread.regs)  in giveup_all()
502 	usermsr = tsk->thread.regs->msr;  in giveup_all()
534 		!current->thread.load_fp && !loadvec(current->thread))  in restore_math()
545 		msr |= MSR_FP | current->thread.fpexc_mode;  in restore_math()
564 	if (!tsk->thread.regs)  in save_all()
567 	usermsr = tsk->thread.regs->msr;  in save_all()
586 	thread_pkey_regs_save(&tsk->thread);  in save_all()
591 	if (tsk->thread.regs) {  in flush_all_to_thread()
597 		if (tsk->thread.regs->msr & MSR_SPE)  in flush_all_to_thread()
598 			tsk->thread.spefscr = mfspr(SPRN_SPEFSCR);  in flush_all_to_thread()
610 	current->thread.trap_nr = TRAP_HWBKPT;  in do_send_trap()
625 	current->thread.trap_nr = TRAP_HWBKPT;  in do_break()
652 static void set_debug_reg_defaults(struct thread_struct *thread)  in set_debug_reg_defaults()  argument
654 	thread->debug.iac1 = thread->debug.iac2 = 0;  in set_debug_reg_defaults()
656 	thread->debug.iac3 = thread->debug.iac4 = 0;  in set_debug_reg_defaults()
658 	thread->debug.dac1 = thread->debug.dac2 = 0;  in set_debug_reg_defaults()
660 	thread->debug.dvc1 = thread->debug.dvc2 = 0;  in set_debug_reg_defaults()
662 	thread->debug.dbcr0 = 0;  in set_debug_reg_defaults()
667 	thread->debug.dbcr1 = DBCR1_IAC1US | DBCR1_IAC2US |  in set_debug_reg_defaults()
673 	thread->debug.dbcr2 = DBCR2_DAC1US | DBCR2_DAC2US;  in set_debug_reg_defaults()
675 	thread->debug.dbcr1 = 0;  in set_debug_reg_defaults()
713 	if ((current->thread.debug.dbcr0 & DBCR0_IDM)  in switch_booke_debug_regs()
727 static void set_debug_reg_defaults(struct thread_struct *thread)  in set_debug_reg_defaults()  argument
729 	thread->hw_brk.address = 0;  in set_debug_reg_defaults()
730 	thread->hw_brk.type = 0;  in set_debug_reg_defaults()
732 		set_breakpoint(&thread->hw_brk);  in set_debug_reg_defaults()
867 	return tsk && tsk->thread.regs && (tsk->thread.regs->msr & MSR_TM);  in tm_enabled()
890 	giveup_all(container_of(thr, struct task_struct, thread));  in tm_reclaim_thread()
917 	tm_reclaim_thread(&current->thread, cause);  in tm_reclaim_current()
932 	struct thread_struct *thr = &tsk->thread;  in tm_reclaim_task()
962 extern void __tm_recheckpoint(struct thread_struct *thread);
964 void tm_recheckpoint(struct thread_struct *thread)  in tm_recheckpoint()  argument
968 	if (!(thread->regs->msr & MSR_TM))  in tm_recheckpoint()
981 	tm_restore_sprs(thread);  in tm_recheckpoint()
983 	__tm_recheckpoint(thread);  in tm_recheckpoint()
1004 	if (!MSR_TM_ACTIVE(new->thread.regs->msr)){  in tm_recheckpoint_new_task()
1005 		tm_restore_sprs(&new->thread);  in tm_recheckpoint_new_task()
1010 		 new->pid, new->thread.regs->msr);  in tm_recheckpoint_new_task()
1012 	tm_recheckpoint(&new->thread);  in tm_recheckpoint_new_task()
1019 	new->thread.regs->msr &= ~(MSR_FP | MSR_VEC | MSR_VSX);  in tm_recheckpoint_new_task()
1034 			prev->thread.load_tm++;  in __switch_to_tm()
1036 			if (!MSR_TM_ACTIVE(prev->thread.regs->msr) && prev->thread.load_tm == 0)  in __switch_to_tm()
1037 				prev->thread.regs->msr &= ~MSR_TM;  in __switch_to_tm()
1072 	msr_diff = current->thread.ckpt_regs.msr & ~regs->msr;  in restore_tm_state()
1077 		current->thread.load_fp = 1;  in restore_tm_state()
1080 		current->thread.load_vec = 1;  in restore_tm_state()
1177 	new_thread = &new->thread;  in __switch_to()
1178 	old_thread = &current->thread;  in __switch_to()
1193 	switch_booke_debug_regs(&new->thread.debug);  in __switch_to()
1200 	if (unlikely(!hw_brk_match(this_cpu_ptr(&current_brk), &new->thread.hw_brk)))  in __switch_to()
1201 		__set_breakpoint(&new->thread.hw_brk);  in __switch_to()
1209 	save_sprs(&prev->thread);  in __switch_to()
1243 	if (current_thread_info()->task->thread.regs) {  in __switch_to()
1244 		restore_math(current_thread_info()->task->thread.regs);  in __switch_to()
1254 		if (current_thread_info()->task->thread.used_vas)  in __switch_to()
1491 	set_debug_reg_defaults(&current->thread);  in flush_thread()
1501 	current->thread.used_vas = 1;  in set_thread_uses_vas()
1558 	if (t->thread.tidr)  in set_thread_tidr()
1561 	t->thread.tidr = (u16)task_pid_nr(t);  in set_thread_tidr()
1562 	mtspr(SPRN_TIDR, t->thread.tidr);  in set_thread_tidr()
1617 	p->thread.ksp_vsid = sp_vsid;  in setup_ksp_vsid()
1655 		p->thread.regs = NULL;	/* no user register state */  in copy_thread()
1665 		p->thread.regs = childregs;  in copy_thread()
1693 	p->thread.ksp = sp;  in copy_thread()
1695 	p->thread.ksp_limit = (unsigned long)task_stack_page(p) +  in copy_thread()
1699 	p->thread.ptrace_bps[0] = NULL;  in copy_thread()
1702 	p->thread.fp_save_area = NULL;  in copy_thread()
1704 	p->thread.vr_save_area = NULL;  in copy_thread()
1711 		p->thread.dscr_inherit = current->thread.dscr_inherit;  in copy_thread()
1712 		p->thread.dscr = mfspr(SPRN_DSCR);  in copy_thread()
1715 		p->thread.ppr = INIT_PPR;  in copy_thread()
1717 	p->thread.tidr = 0;  in copy_thread()
1736 	if (!current->thread.regs) {  in start_thread()
1738 		current->thread.regs = regs - 1;  in start_thread()
1818 	current->thread.used_vsr = 0;  in start_thread()
1820 	current->thread.load_fp = 0;  in start_thread()
1821 	memset(&current->thread.fp_state, 0, sizeof(current->thread.fp_state));  in start_thread()
1822 	current->thread.fp_save_area = NULL;  in start_thread()
1824 	memset(&current->thread.vr_state, 0, sizeof(current->thread.vr_state));  in start_thread()
1825 	current->thread.vr_state.vscr.u[3] = 0x00010000; /* Java mode disabled */  in start_thread()
1826 	current->thread.vr_save_area = NULL;  in start_thread()
1827 	current->thread.vrsave = 0;  in start_thread()
1828 	current->thread.used_vr = 0;  in start_thread()
1829 	current->thread.load_vec = 0;  in start_thread()
1832 	memset(current->thread.evr, 0, sizeof(current->thread.evr));  in start_thread()
1833 	current->thread.acc = 0;  in start_thread()
1834 	current->thread.spefscr = 0;  in start_thread()
1835 	current->thread.used_spe = 0;  in start_thread()
1838 	current->thread.tm_tfhar = 0;  in start_thread()
1839 	current->thread.tm_texasr = 0;  in start_thread()
1840 	current->thread.tm_tfiar = 0;  in start_thread()
1841 	current->thread.load_tm = 0;  in start_thread()
1844 	thread_pkey_regs_init(&current->thread);  in start_thread()
1853 	struct pt_regs *regs = tsk->thread.regs;  in set_fpexc_mode()
1874 			tsk->thread.spefscr_last = mfspr(SPRN_SPEFSCR);  in set_fpexc_mode()
1875 			tsk->thread.fpexc_mode = val &  in set_fpexc_mode()
1893 	tsk->thread.fpexc_mode = __pack_fe01(val);  in set_fpexc_mode()
1896 			| tsk->thread.fpexc_mode;  in set_fpexc_mode()
1904 	if (tsk->thread.fpexc_mode & PR_FP_EXC_SW_ENABLE)  in get_fpexc_mode()
1919 			tsk->thread.spefscr_last = mfspr(SPRN_SPEFSCR);  in get_fpexc_mode()
1920 			val = tsk->thread.fpexc_mode;  in get_fpexc_mode()
1927 		val = __unpack_fe01(tsk->thread.fpexc_mode);  in get_fpexc_mode()
1933 	struct pt_regs *regs = tsk->thread.regs;  in set_endian()
1954 	struct pt_regs *regs = tsk->thread.regs;  in get_endian()
1977 	tsk->thread.align_ctl = val;  in set_unalign_ctl()
1983 	return put_user(tsk->thread.align_ctl, (unsigned int __user *)adr);  in get_unalign_ctl()
2032 	sp = p->thread.ksp;  in get_wchan()
2070 			sp = tsk->thread.ksp;  in show_stack()