arch/arm64/arch_int.cpp

75 print_iframe(const char *event, struct iframe *frame)
81 		frame->elr, frame->spsr);
83 		frame->lr, frame->sp);
228 do_sync_handler(iframe * frame)
231 	print_iframe("Sync abort", frame);
234 	IFrameScope scope(frame);
237 	switch (ESR_ELx_EXCEPTION(frame->esr)) {
244 			bool write = (frame->esr & ISS_DATA_WnR) != 0;
249 			bool addrType = (frame->far & (1UL << 63)) != 0;
255 			switch (frame->esr & ISS_DATA_DFSC_MASK) {
267 					if (fixup_entry(ptPa, initialLevel, frame->far, false))
275 					if (write && fixup_entry(ptPa, initialLevel, frame->far, true))
288 						debug_set_page_fault_info(frame->far, frame->elr,
290 						frame->elr = cpu->fault_handler;
291 						frame->sp = cpu->fault_handler_stack_pointer;
300 			bool isUser = (frame->spsr & PSR_M_MASK) == PSR_M_EL0t;
302 			if ((frame->spsr & PSR_I) != 0) {
306 					frame->elr = handler;
310 				dprintf("PF: %lx\n", frame->far);
313 				vm_page_fault(frame->far, frame->elr, write, isExec, isUser, &ret);
315 					frame->elr = ret;
320 				frame->far, frame->elr, frame->esr);
326 			uint32 imm = (frame->esr & 0xffff);
333 				frame->x[0] = B_ERROR;
338 			memcpy(args, frame->x, (count < 8 ? count : 8) * 8);
341 				if (!IS_USER_ADDRESS(frame->sp)
342 					|| user_memcpy(&args[8], (void*)frame->sp, (count - 8) * 8) != B_OK) {
343 					frame->x[0] = B_BAD_ADDRESS;
348 			_fp_save(&frame->fpu);
353 			syscall_dispatcher(syscall, (void*)args, &frame->x[0]);
372 			_fp_restore(&frame->fpu);
379 		frame->far, frame->elr, frame->esr, (frame->esr >> 26) & 0x3f);
384 do_error_handler(iframe * frame)
387 	print_iframe("Error", frame);
390 	IFrameScope scope(frame);
392 	panic("unhandled error! FAR=%lx ELR=%lx ESR=%lx", frame->far, frame->elr, frame->esr);
397 do_irq_handler(iframe * frame)
400 	print_iframe("IRQ", frame);
403 	IFrameScope scope(frame);
405 	_fp_save(&frame->fpu);
413 	_fp_restore(&frame->fpu);
418 do_fiq_handler(iframe * frame)
421 	print_iframe("FIQ", frame);
424 	IFrameScope scope(frame);