33 #define RESTART_CRIS_SYS(regs) regs->r10 = regs->orig_r10; regs->erp -= 2;  argument
50 void do_signal(int restart, struct pt_regs *regs);
52 		      struct pt_regs *regs);
55 restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)  in restore_sigcontext()  argument
68 	if (__copy_from_user(regs, sc, sizeof(struct pt_regs)))  in restore_sigcontext()
72 	regs->ccs |= (1 << (U_CCS_BITNR + CCS_SHIFT));  in restore_sigcontext()
75 	regs->exs = -1;  in restore_sigcontext()
89 	struct pt_regs *regs = current_pt_regs();  in sys_sigreturn()  local
92 	unsigned long oldspc = regs->spc;  in sys_sigreturn()
93 	unsigned long oldccs = regs->ccs;  in sys_sigreturn()
116 	if (restore_sigcontext(regs, &frame->sc))  in sys_sigreturn()
119 	keep_debug_flags(oldccs, oldspc, regs);  in sys_sigreturn()
121 	return regs->r10;  in sys_sigreturn()
130 	struct pt_regs *regs = current_pt_regs();  in sys_rt_sigreturn()  local
133 	unsigned long oldspc = regs->spc;  in sys_rt_sigreturn()
134 	unsigned long oldccs = regs->ccs;  in sys_rt_sigreturn()
154 	if (restore_sigcontext(regs, &frame->uc.uc_mcontext))  in sys_rt_sigreturn()
160 	keep_debug_flags(oldccs, oldspc, regs);  in sys_rt_sigreturn()
162 	return regs->r10;  in sys_rt_sigreturn()
171 setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs,  in setup_sigcontext()  argument
184 	err |= __copy_to_user(sc, regs, sizeof(struct pt_regs));  in setup_sigcontext()
212 setup_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs)  in setup_frame()  argument
224 	err |= setup_sigcontext(&frame->sc, regs, set->sig[0]);  in setup_frame()
269 	regs->erp = (unsigned long) ksig->ka.sa.sa_handler;  in setup_frame()
270 	regs->srp = return_ip;  in setup_frame()
271 	regs->r10 = ksig->sig;  in setup_frame()
280 setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs)  in setup_rt_frame()  argument
301 	err |= setup_sigcontext(&frame->uc.uc_mcontext, regs, set->sig[0]);  in setup_rt_frame()
345 	regs->erp = (unsigned long) ksig->ka.sa.sa_handler;  in setup_rt_frame()
346 	regs->srp = return_ip;  in setup_rt_frame()
347 	regs->r10 = ksig->sig;  in setup_rt_frame()
348 	regs->r11 = (unsigned long) &frame->info;  in setup_rt_frame()
349 	regs->r12 = 0;  in setup_rt_frame()
359 handle_signal(int canrestart, struct ksignal *ksig, struct pt_regs *regs)  in handle_signal()  argument
367 		switch (regs->r10) {  in handle_signal()
378 				regs->r10 = -EINTR;  in handle_signal()
388 					regs->r10 = -EINTR;  in handle_signal()
400 				RESTART_CRIS_SYS(regs);  in handle_signal()
407 		ret = setup_rt_frame(ksig, oldset, regs);  in handle_signal()
409 		ret = setup_frame(ksig, oldset, regs);  in handle_signal()
426 do_signal(int canrestart, struct pt_regs *regs)  in do_signal()  argument
430 	canrestart = canrestart && ((int)regs->exs >= 0);  in do_signal()
437 	if (!user_mode(regs))  in do_signal()
442 		handle_signal(canrestart, &ksig, regs);  in do_signal()
449 		if (regs->r10 == -ERESTARTNOHAND ||  in do_signal()
450 		    regs->r10 == -ERESTARTSYS ||  in do_signal()
451 		    regs->r10 == -ERESTARTNOINTR) {  in do_signal()
452 			RESTART_CRIS_SYS(regs);  in do_signal()
455 		if (regs->r10 == -ERESTART_RESTARTBLOCK){  in do_signal()
456 			regs->r9 = __NR_restart_syscall;  in do_signal()
457 			regs->erp -= 2;  in do_signal()
488 		 struct pt_regs *regs)  in keep_debug_flags()  argument
493 		regs->ccs |= (1 << Q_CCS_BITNR);  in keep_debug_flags()
498 		regs->ccs |= (1 << (S_CCS_BITNR + CCS_SHIFT));  in keep_debug_flags()
500 		regs->spc = oldspc;  in keep_debug_flags()
505 		regs->ccs |= (1 << (S_CCS_BITNR + CCS_SHIFT));  in keep_debug_flags()
508 	} else if (regs->spc) {  in keep_debug_flags()
512 		regs->spc = 0;  in keep_debug_flags()
513 		regs->ccs &= ~(1 << (S_CCS_BITNR + CCS_SHIFT));  in keep_debug_flags()