108 extern void show_registers(struct pt_regs *regs);
883 static void emulate_load_store_insn(struct pt_regs *regs,  in emulate_load_store_insn()  argument
899 	orig31 = regs->regs[31];  in emulate_load_store_insn()
901 	perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, 1, regs, 0);  in emulate_load_store_insn()
962 			compute_return_epc(regs);  in emulate_load_store_insn()
963 			regs->regs[insn.spec3_format.rt] = value;  in emulate_load_store_insn()
975 			compute_return_epc(regs);  in emulate_load_store_insn()
976 			regs->regs[insn.spec3_format.rt] = value;  in emulate_load_store_insn()
988 			compute_return_epc(regs);  in emulate_load_store_insn()
989 			regs->regs[insn.spec3_format.rt] = value;  in emulate_load_store_insn()
996 			compute_return_epc(regs);  in emulate_load_store_insn()
997 			value = regs->regs[insn.spec3_format.rt];  in emulate_load_store_insn()
1009 			compute_return_epc(regs);  in emulate_load_store_insn()
1010 			value = regs->regs[insn.spec3_format.rt];  in emulate_load_store_insn()
1039 		compute_return_epc(regs);  in emulate_load_store_insn()
1040 		regs->regs[insn.i_format.rt] = value;  in emulate_load_store_insn()
1058 		compute_return_epc(regs);  in emulate_load_store_insn()
1059 		regs->regs[insn.i_format.rt] = value;  in emulate_load_store_insn()
1077 		compute_return_epc(regs);  in emulate_load_store_insn()
1078 		regs->regs[insn.i_format.rt] = value;  in emulate_load_store_insn()
1096 		compute_return_epc(regs);  in emulate_load_store_insn()
1097 		regs->regs[insn.i_format.rt] = value;  in emulate_load_store_insn()
1119 		compute_return_epc(regs);  in emulate_load_store_insn()
1120 		regs->regs[insn.i_format.rt] = value;  in emulate_load_store_insn()
1131 		compute_return_epc(regs);  in emulate_load_store_insn()
1132 		value = regs->regs[insn.i_format.rt];  in emulate_load_store_insn()
1151 		compute_return_epc(regs);  in emulate_load_store_insn()
1152 		value = regs->regs[insn.i_format.rt];  in emulate_load_store_insn()
1179 		compute_return_epc(regs);  in emulate_load_store_insn()
1180 		value = regs->regs[insn.i_format.rt];  in emulate_load_store_insn()
1194 		die_if_kernel("Unaligned FP access in kernel code", regs);  in emulate_load_store_insn()
1198 		res = fpu_emulator_cop1Handler(regs, &current->thread.fpu, 1,  in emulate_load_store_insn()
1284 		compute_return_epc(regs);  in emulate_load_store_insn()
1296 		cu2_notifier_call_chain(CU2_LWC2_OP, regs);  in emulate_load_store_insn()
1300 		cu2_notifier_call_chain(CU2_LDC2_OP, regs);  in emulate_load_store_insn()
1304 		cu2_notifier_call_chain(CU2_SWC2_OP, regs);  in emulate_load_store_insn()
1308 		cu2_notifier_call_chain(CU2_SDC2_OP, regs);  in emulate_load_store_insn()
1327 	regs->cp0_epc = origpc;  in emulate_load_store_insn()
1328 	regs->regs[31] = orig31;  in emulate_load_store_insn()
1330 	if (fixup_exception(regs))  in emulate_load_store_insn()
1333 	die_if_kernel("Unhandled kernel unaligned access", regs);  in emulate_load_store_insn()
1339 	die_if_kernel("Unhandled kernel unaligned access", regs);  in emulate_load_store_insn()
1346 	    ("Unhandled kernel unaligned access or invalid instruction", regs);  in emulate_load_store_insn()
1356 static void emulate_load_store_microMIPS(struct pt_regs *regs,  in emulate_load_store_microMIPS()  argument
1372 	origpc = regs->cp0_epc;  in emulate_load_store_microMIPS()
1373 	orig31 = regs->regs[31];  in emulate_load_store_microMIPS()
1380 	pc16 = (unsigned short __user *)msk_isa16_mode(regs->cp0_epc);  in emulate_load_store_microMIPS()
1383 	contpc = regs->cp0_epc + 2;  in emulate_load_store_microMIPS()
1390 		contpc = regs->cp0_epc + 4;  in emulate_load_store_microMIPS()
1411 	if (mm_isBranchInstr(regs, mminsn, &contpc))  in emulate_load_store_microMIPS()
1440 			regs->regs[reg] = value;  in emulate_load_store_microMIPS()
1445 			regs->regs[reg + 1] = value;  in emulate_load_store_microMIPS()
1456 			value = regs->regs[reg];  in emulate_load_store_microMIPS()
1461 			value = regs->regs[reg + 1];  in emulate_load_store_microMIPS()
1479 			regs->regs[reg] = value;  in emulate_load_store_microMIPS()
1484 			regs->regs[reg + 1] = value;  in emulate_load_store_microMIPS()
1499 			value = regs->regs[reg];  in emulate_load_store_microMIPS()
1504 			value = regs->regs[reg + 1];  in emulate_load_store_microMIPS()
1533 				regs->regs[i] = value;  in emulate_load_store_microMIPS()
1540 				regs->regs[30] = value;  in emulate_load_store_microMIPS()
1546 				regs->regs[31] = value;  in emulate_load_store_microMIPS()
1566 				value = regs->regs[i];  in emulate_load_store_microMIPS()
1573 				value = regs->regs[30];  in emulate_load_store_microMIPS()
1580 				value = regs->regs[31];  in emulate_load_store_microMIPS()
1609 				regs->regs[i] = value;  in emulate_load_store_microMIPS()
1616 				regs->regs[30] = value;  in emulate_load_store_microMIPS()
1622 				regs->regs[31] = value;  in emulate_load_store_microMIPS()
1647 				value = regs->regs[i];  in emulate_load_store_microMIPS()
1654 				value = regs->regs[30];  in emulate_load_store_microMIPS()
1661 				value = regs->regs[31];  in emulate_load_store_microMIPS()
1703 		regs->cp0_epc = origpc;  in emulate_load_store_microMIPS()
1704 		regs->regs[31] = orig31;  in emulate_load_store_microMIPS()
1706 		die_if_kernel("Unaligned FP access in kernel code", regs);  in emulate_load_store_microMIPS()
1711 		res = fpu_emulator_cop1Handler(regs, &current->thread.fpu, 1,  in emulate_load_store_microMIPS()
1763 				regs->regs[i] = value;  in emulate_load_store_microMIPS()
1768 			regs->regs[31] = value;  in emulate_load_store_microMIPS()
1779 				value = regs->regs[i];  in emulate_load_store_microMIPS()
1785 			value = regs->regs[31];  in emulate_load_store_microMIPS()
1835 	regs->regs[reg] = value;  in emulate_load_store_microMIPS()
1845 	regs->regs[reg] = value;  in emulate_load_store_microMIPS()
1855 	regs->regs[reg] = value;  in emulate_load_store_microMIPS()
1873 	regs->regs[reg] = value;  in emulate_load_store_microMIPS()
1895 	regs->regs[reg] = value;  in emulate_load_store_microMIPS()
1906 	value = regs->regs[reg];  in emulate_load_store_microMIPS()
1916 	value = regs->regs[reg];  in emulate_load_store_microMIPS()
1934 	value = regs->regs[reg];  in emulate_load_store_microMIPS()
1945 	regs->cp0_epc = contpc;	/* advance or branch */  in emulate_load_store_microMIPS()
1954 	regs->cp0_epc = origpc;  in emulate_load_store_microMIPS()
1955 	regs->regs[31] = orig31;  in emulate_load_store_microMIPS()
1957 	if (fixup_exception(regs))  in emulate_load_store_microMIPS()
1960 	die_if_kernel("Unhandled kernel unaligned access", regs);  in emulate_load_store_microMIPS()
1966 	die_if_kernel("Unhandled kernel unaligned access", regs);  in emulate_load_store_microMIPS()
1973 	    ("Unhandled kernel unaligned access or invalid instruction", regs);  in emulate_load_store_microMIPS()
1977 static void emulate_load_store_MIPS16e(struct pt_regs *regs, void __user * addr)  in emulate_load_store_MIPS16e()  argument
1987 	origpc = regs->cp0_epc;  in emulate_load_store_MIPS16e()
1988 	orig31 = regs->regs[31];  in emulate_load_store_MIPS16e()
2000 	} else if (delay_slot(regs)) {  in emulate_load_store_MIPS16e()
2060 		MIPS16e_compute_return_epc(regs, &oldinst);  in emulate_load_store_MIPS16e()
2061 		regs->regs[reg] = value;  in emulate_load_store_MIPS16e()
2071 		MIPS16e_compute_return_epc(regs, &oldinst);  in emulate_load_store_MIPS16e()
2072 		regs->regs[reg] = value;  in emulate_load_store_MIPS16e()
2084 		MIPS16e_compute_return_epc(regs, &oldinst);  in emulate_load_store_MIPS16e()
2085 		regs->regs[reg] = value;  in emulate_load_store_MIPS16e()
2103 		MIPS16e_compute_return_epc(regs, &oldinst);  in emulate_load_store_MIPS16e()
2104 		regs->regs[reg] = value;  in emulate_load_store_MIPS16e()
2127 		MIPS16e_compute_return_epc(regs, &oldinst);  in emulate_load_store_MIPS16e()
2128 		regs->regs[reg] = value;  in emulate_load_store_MIPS16e()
2139 		MIPS16e_compute_return_epc(regs, &oldinst);  in emulate_load_store_MIPS16e()
2140 		value = regs->regs[reg];  in emulate_load_store_MIPS16e()
2152 		MIPS16e_compute_return_epc(regs, &oldinst);  in emulate_load_store_MIPS16e()
2153 		value = regs->regs[reg];  in emulate_load_store_MIPS16e()
2172 		MIPS16e_compute_return_epc(regs, &oldinst);  in emulate_load_store_MIPS16e()
2173 		value = regs->regs[reg];  in emulate_load_store_MIPS16e()
2199 	regs->cp0_epc = origpc;  in emulate_load_store_MIPS16e()
2200 	regs->regs[31] = orig31;  in emulate_load_store_MIPS16e()
2202 	if (fixup_exception(regs))  in emulate_load_store_MIPS16e()
2205 	die_if_kernel("Unhandled kernel unaligned access", regs);  in emulate_load_store_MIPS16e()
2211 	die_if_kernel("Unhandled kernel unaligned access", regs);  in emulate_load_store_MIPS16e()
2218 	    ("Unhandled kernel unaligned access or invalid instruction", regs);  in emulate_load_store_MIPS16e()
2222 asmlinkage void do_ade(struct pt_regs *regs)  in do_ade()  argument
2230 			1, regs, regs->cp0_badvaddr);  in do_ade()
2234 	if (regs->cp0_badvaddr == regs->cp0_epc)  in do_ade()
2237 	if (user_mode(regs) && !test_thread_flag(TIF_FIXADE))  in do_ade()
2250 	if (get_isa16_mode(regs->cp0_epc)) {  in do_ade()
2255 		if (regs->cp0_badvaddr == msk_isa16_mode(regs->cp0_epc))  in do_ade()
2258 			show_registers(regs);  in do_ade()
2262 			if (!user_mode(regs))  in do_ade()
2264 			emulate_load_store_microMIPS(regs,  in do_ade()
2265 				(void __user *)regs->cp0_badvaddr);  in do_ade()
2273 			if (!user_mode(regs))  in do_ade()
2275 			emulate_load_store_MIPS16e(regs,  in do_ade()
2276 				(void __user *)regs->cp0_badvaddr);  in do_ade()
2286 		show_registers(regs);  in do_ade()
2287 	pc = (unsigned int __user *)exception_epc(regs);  in do_ade()
2290 	if (!user_mode(regs))  in do_ade()
2292 	emulate_load_store_insn(regs, (void __user *)regs->cp0_badvaddr, pc);  in do_ade()
2298 	die_if_kernel("Kernel unaligned instruction access", regs);  in do_ade()