88 void show_regs(struct pt_regs *regs)  in show_regs()  argument
93 	       regs->nip, regs->xer, regs->link, regs, regs->trap, regs->dar);  in show_regs()
95 	       regs->msr, regs->msr&MSR_EE ? 1 : 0, regs->msr&MSR_PR ? 1 : 0,  in show_regs()
96 	       regs->msr & MSR_FP ? 1 : 0,regs->msr&MSR_ME ? 1 : 0,  in show_regs()
97 	       regs->msr&MSR_IR ? 1 : 0,  in show_regs()
98 	       regs->msr&MSR_DR ? 1 : 0);  in show_regs()
107 		printf("%08lX ", regs->gpr[i]);  in show_regs()
116 static void _exception(int signr, struct pt_regs *regs)  in _exception()  argument
118 	show_regs(regs);  in _exception()
119 	print_backtrace((unsigned long *)regs->gpr[1]);  in _exception()
120 	panic("Exception in kernel pc %lx signal %d",regs->nip,signr);  in _exception()
123 void CritcalInputException(struct pt_regs *regs)  in CritcalInputException()  argument
130 void MachineCheckException(struct pt_regs *regs)  in MachineCheckException()  argument
139 	if ((fixup = search_exception_table(regs->nip)) != 0) {  in MachineCheckException()
140 		regs->nip = fixup;  in MachineCheckException()
153 	if (debugger_exception_handler && (*debugger_exception_handler)(regs))  in MachineCheckException()
185 	show_regs(regs);  in MachineCheckException()
188 	print_backtrace((unsigned long *)regs->gpr[1]);  in MachineCheckException()
194 		regs->nip += 4; /* skip offending instruction */  in MachineCheckException()
196 		       regs->nip);  in MachineCheckException()
198 		printf("Returning back to 0x%08lx\n",regs->nip);  in MachineCheckException()
202 void AlignmentException(struct pt_regs *regs)  in AlignmentException()  argument
205 	if (debugger_exception_handler && (*debugger_exception_handler)(regs))  in AlignmentException()
209 	show_regs(regs);  in AlignmentException()
210 	print_backtrace((unsigned long *)regs->gpr[1]);  in AlignmentException()
214 void ProgramCheckException(struct pt_regs *regs)  in ProgramCheckException()  argument
219 	if (debugger_exception_handler && (*debugger_exception_handler)(regs))  in ProgramCheckException()
223 	show_regs(regs);  in ProgramCheckException()
233 	print_backtrace((unsigned long *)regs->gpr[1]);  in ProgramCheckException()
237 void PITException(struct pt_regs *regs)  in PITException()  argument
250 void UnknownException(struct pt_regs *regs)  in UnknownException()  argument
253 	if (debugger_exception_handler && (*debugger_exception_handler)(regs))  in UnknownException()
258 	       regs->nip, regs->msr, regs->trap);  in UnknownException()
259 	_exception(0, regs);  in UnknownException()
262 void ExtIntException(struct pt_regs *regs)  in ExtIntException()  argument
269 	if (debugger_exception_handler && (*debugger_exception_handler)(regs))  in ExtIntException()
274 	       regs->nip, regs->msr, regs->trap);  in ExtIntException()
277 	show_regs(regs);  in ExtIntException()
278 	print_backtrace((unsigned long *)regs->gpr[1]);  in ExtIntException()
281 void DebugException(struct pt_regs *regs)  in DebugException()  argument
283 	printf("Debugger trap at @ %lx\n", regs->nip );  in DebugException()
284 	show_regs(regs);  in DebugException()
286 	do_bedbug_breakpoint( regs );  in DebugException()