55 static void show_regs(struct pt_regs *regs)  in show_regs()  argument
60 	       regs->nip, regs->xer, regs->link, regs, regs->trap, regs->dar);  in show_regs()
62 	       regs->msr, regs->msr & MSR_EE ? 1 : 0,  in show_regs()
63 	       regs->msr & MSR_PR ? 1 : 0, regs->msr & MSR_FP ? 1 : 0,  in show_regs()
64 	       regs->msr & MSR_ME ? 1 : 0, regs->msr & MSR_IR ? 1 : 0,  in show_regs()
65 	       regs->msr & MSR_DR ? 1 : 0);  in show_regs()
72 		printf("%08lX ", regs->gpr[i]);  in show_regs()
79 static void _exception(int signr, struct pt_regs *regs)  in _exception()  argument
81 	show_regs(regs);  in _exception()
82 	print_backtrace((unsigned long *)regs->gpr[1]);  in _exception()
83 	panic("Exception in kernel pc %lx signal %d", regs->nip, signr);  in _exception()
86 void MachineCheckException(struct pt_regs *regs)  in MachineCheckException()  argument
88 	unsigned long fixup = search_exception_table(regs->nip);  in MachineCheckException()
95 		regs->nip = fixup;  in MachineCheckException()
101 	printf("regs %p ", regs);  in MachineCheckException()
102 	switch (regs->msr & 0x000F0000) {  in MachineCheckException()
119 	show_regs(regs);  in MachineCheckException()
120 	print_backtrace((unsigned long *)regs->gpr[1]);  in MachineCheckException()
124 void AlignmentException(struct pt_regs *regs)  in AlignmentException()  argument
126 	show_regs(regs);  in AlignmentException()
127 	print_backtrace((unsigned long *)regs->gpr[1]);  in AlignmentException()
131 void ProgramCheckException(struct pt_regs *regs)  in ProgramCheckException()  argument
133 	show_regs(regs);  in ProgramCheckException()
134 	print_backtrace((unsigned long *)regs->gpr[1]);  in ProgramCheckException()
138 void SoftEmuException(struct pt_regs *regs)  in SoftEmuException()  argument
140 	show_regs(regs);  in SoftEmuException()
141 	print_backtrace((unsigned long *)regs->gpr[1]);  in SoftEmuException()
146 void UnknownException(struct pt_regs *regs)  in UnknownException()  argument
149 	       regs->nip, regs->msr, regs->trap);  in UnknownException()
150 	_exception(0, regs);  in UnknownException()
153 void DebugException(struct pt_regs *regs)  in DebugException()  argument
155 	printf("Debugger trap at @ %lx\n", regs->nip);  in DebugException()
156 	show_regs(regs);  in DebugException()