71 			regs->pc, regs->regs[30], regs->pstate);  in show_regs()
72 	printf("sp : %016lx\n", regs->sp);  in show_regs()
74 	for (i = 29; i >= 0; --i) {  in show_regs()
75 		printf("x%-2d: %016lx ", i, regs->regs[i]);  in show_regs()
105 static void bad_exception(enum vector v, struct pt_regs *regs,  in bad_exception()  argument
115 	       (uintptr_t)regs->pc, (uintptr_t)regs->pc - text);  in bad_exception()
118 		if (v < VECTOR_MAX)  in bad_exception()
119 			printf("Unhandled vector %d (%s)\n", v,  in bad_exception()
120 					vector_names[v]);  in bad_exception()
122 			printf("Got bad vector=%d\n", v);  in bad_exception()
131 	printf("Vector: %d (%s)\n", v, vector_names[v]);  in bad_exception()
136 	dump_frame_stack((void *)regs->pc, (void *)regs->regs[29]);  in bad_exception()
140 void install_exception_handler(enum vector v, unsigned int ec, exception_fn fn)  in install_exception_handler()  argument
144 	if (v < VECTOR_MAX && ec < EC_MAX)  in install_exception_handler()
145 		ti->exception_handlers[v][ec] = fn;  in install_exception_handler()
148 void install_irq_handler(enum vector v, irq_handler_fn fn)  in install_irq_handler()  argument
152 	if (v < VECTOR_MAX)  in install_irq_handler()
153 		ti->exception_handlers[v][0] = (exception_fn)fn;  in install_irq_handler()
156 void default_vector_sync_handler(enum vector v, struct pt_regs *regs,  in default_vector_sync_handler()  argument
159 	struct thread_info *ti = thread_info_sp(regs->sp);  in default_vector_sync_handler()
162 	if (ti->flags & TIF_USER_MODE) {  in default_vector_sync_handler()
163 		if (ec < EC_MAX && ti->exception_handlers[v][ec]) {  in default_vector_sync_handler()
164 			ti->exception_handlers[v][ec](regs, esr);  in default_vector_sync_handler()
170 	if (ec < EC_MAX && ti->exception_handlers[v][ec])  in default_vector_sync_handler()
171 		ti->exception_handlers[v][ec](regs, esr);  in default_vector_sync_handler()
173 		bad_exception(v, regs, esr, true, false);  in default_vector_sync_handler()
176 void default_vector_irq_handler(enum vector v, struct pt_regs *regs,  in default_vector_irq_handler()  argument
179 	struct thread_info *ti = thread_info_sp(regs->sp);  in default_vector_irq_handler()
181 		(irq_handler_fn)ti->exception_handlers[v][0];  in default_vector_irq_handler()
183 	if (ti->flags & TIF_USER_MODE) {  in default_vector_irq_handler()
189 		irq_handler = (irq_handler_fn)ti->exception_handlers[v][0];  in default_vector_irq_handler()
195 		bad_exception(v, regs, esr, false, false);  in default_vector_irq_handler()
206 /* Needed to compile with -Wmissing-prototypes */
207 void do_handle_exception(enum vector v, struct pt_regs *regs, unsigned int esr);
209 void do_handle_exception(enum vector v, struct pt_regs *regs, unsigned int esr)  in do_handle_exception()  argument
211 	struct thread_info *ti = thread_info_sp(regs->sp);  in do_handle_exception()
213 	if (ti->flags & TIF_USER_MODE) {  in do_handle_exception()
214 		if (v < VECTOR_MAX && ti->vector_handlers[v]) {  in do_handle_exception()
215 			ti->vector_handlers[v](v, regs, esr);  in do_handle_exception()
221 	if (v < VECTOR_MAX && ti->vector_handlers[v])  in do_handle_exception()
222 		ti->vector_handlers[v](v, regs, esr);  in do_handle_exception()
224 		bad_exception(v, regs, esr, true, true);  in do_handle_exception()
227 void install_vector_handler(enum vector v, vector_fn fn)  in install_vector_handler()  argument
231 	if (v < VECTOR_MAX)  in install_vector_handler()
232 		ti->vector_handlers[v] = fn;  in install_vector_handler()
238 	ti->cpu = mpidr_to_cpu(get_mpidr());  in __thread_info_init()
239 	ti->flags = flags;  in __thread_info_init()
245 	vector_handlers_default_init(ti->vector_handlers);  in thread_info_init()
250 	sp_usr &= (~15UL); /* stack ptr needs 16-byte alignment */  in start_usr()
253 	thread_info_sp(sp_usr)->pgtable = current_thread_info()->pgtable;  in start_usr()
267 	return current_thread_info()->flags & TIF_USER_MODE;  in is_user()