35 		regs->ARM_pc, regs->ARM_lr, regs->ARM_cpsr,  in show_regs()
36 		regs->ARM_sp, regs->ARM_ip, regs->ARM_fp);  in show_regs()
38 		regs->ARM_r10, regs->ARM_r9, regs->ARM_r8);  in show_regs()
40 		regs->ARM_r7, regs->ARM_r6, regs->ARM_r5, regs->ARM_r4);  in show_regs()
42 		regs->ARM_r3, regs->ARM_r2, regs->ARM_r1, regs->ARM_r0);  in show_regs()
44 	flags = regs->ARM_cpsr;  in show_regs()
48 	buf[3] = flags & PSR_V_BIT ? 'V' : 'v';  in show_regs()
68 void install_exception_handler(enum vector v, exception_fn fn)  in install_exception_handler()  argument
72 	if (v < EXCPTN_MAX)  in install_exception_handler()
73 		ti->exception_handlers[v] = fn;  in install_exception_handler()
76 /* Needed to compile with -Wmissing-prototypes */
77 void do_handle_exception(enum vector v, struct pt_regs *regs);
79 void do_handle_exception(enum vector v, struct pt_regs *regs)  in do_handle_exception()  argument
81 	struct thread_info *ti = thread_info_sp(regs->ARM_sp);  in do_handle_exception()
83 	if (ti->flags & TIF_USER_MODE) {  in do_handle_exception()
84 		if (v < EXCPTN_MAX && ti->exception_handlers[v]) {  in do_handle_exception()
85 			ti->exception_handlers[v](regs);  in do_handle_exception()
91 	if (v < EXCPTN_MAX && ti->exception_handlers[v]) {  in do_handle_exception()
92 		ti->exception_handlers[v](regs);  in do_handle_exception()
96 	if (v < EXCPTN_MAX)  in do_handle_exception()
97 		printf("Unhandled exception %d (%s)\n", v, vector_names[v]);  in do_handle_exception()
99 		printf("%s called with vector=%d\n", __func__, v);  in do_handle_exception()
103 	if (v == EXCPTN_DABT) {  in do_handle_exception()
108 	} else if (v == EXCPTN_PABT) {  in do_handle_exception()
114 	dump_frame_stack((void *)regs->ARM_pc, (void *)regs->ARM_fp);  in do_handle_exception()
121 	ti->cpu = mpidr_to_cpu(get_mpidr());  in thread_info_init()
122 	ti->flags = flags;  in thread_info_init()
127 	sp_usr &= (~7UL); /* stack ptr needs 8-byte alignment */  in start_usr()
130 	thread_info_sp(sp_usr)->pgtable = current_thread_info()->pgtable;  in start_usr()
146 	return current_thread_info()->flags & TIF_USER_MODE;  in is_user()