4  * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
13  * This file handles the architecture-dependent parts of hardware exceptions
56 	_exception(SIGTRAP, regs, TRAP_BRKPT, regs->r16);  in sw_exception()
57 	flush_dcache_range(regs->r16, regs->r16 + 0x4);  in sw_exception()
58 	flush_icache_range(regs->r16, regs->r16 + 0x4);  in sw_exception()
61 void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr)  in _exception()  argument
64 		die("Exception in kernel mode", regs, signr);  in _exception()
66 	force_sig_fault(signr, code, (void __user *)addr);  in _exception()
70 							int fsr, int addr)  in full_exception()  argument
73 	addr = regs->pc;  in full_exception()
77 	pr_warn("Exception %02x in %s mode, FSR=%08x PC=%08x ESR=%08x\n",  in full_exception()
79 			(unsigned int) regs->pc, (unsigned int) regs->esr);  in full_exception()
85 			pr_debug("Illegal opcode exception in user mode\n");  in full_exception()
86 			_exception(SIGILL, regs, ILL_ILLOPC, addr);  in full_exception()
89 		pr_warn("Illegal opcode exception in kernel mode.\n");  in full_exception()
94 			pr_debug("Instruction bus error exception in user mode\n");  in full_exception()
95 			_exception(SIGBUS, regs, BUS_ADRERR, addr);  in full_exception()
98 		pr_warn("Instruction bus error exception in kernel mode.\n");  in full_exception()
103 			pr_debug("Data bus error exception in user mode\n");  in full_exception()
104 			_exception(SIGBUS, regs, BUS_ADRERR, addr);  in full_exception()
107 		pr_warn("Data bus error exception in kernel mode.\n");  in full_exception()
112 			pr_debug("Divide by zero exception in user mode\n");  in full_exception()
113 			_exception(SIGFPE, regs, FPE_INTDIV, addr);  in full_exception()
116 		pr_warn("Divide by zero exception in kernel mode.\n");  in full_exception()
133 		_exception(SIGFPE, regs, fsr, addr);  in full_exception()
139 		_exception(SIGILL, regs, ILL_PRVOPC, addr);  in full_exception()
144 		pr_warn("Unexpected exception %02x PC=%08x in %s mode\n",  in full_exception()
145 			type, (unsigned int) addr,  in full_exception()