28 	struct pt_regs *regs = args->regs;  in __kgdb_notify()  local
30 	if (kgdb_handle_exception(1, args->signr, cmd, regs))  in __kgdb_notify()
63 void pt_regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs)  in pt_regs_to_gdb_regs()  argument
69 	memcpy(gr->gpr, regs->gr, sizeof(gr->gpr));  in pt_regs_to_gdb_regs()
70 	memcpy(gr->fr, regs->fr, sizeof(gr->fr));  in pt_regs_to_gdb_regs()
72 	gr->sr0 = regs->sr[0];  in pt_regs_to_gdb_regs()
73 	gr->sr1 = regs->sr[1];  in pt_regs_to_gdb_regs()
74 	gr->sr2 = regs->sr[2];  in pt_regs_to_gdb_regs()
75 	gr->sr3 = regs->sr[3];  in pt_regs_to_gdb_regs()
76 	gr->sr4 = regs->sr[4];  in pt_regs_to_gdb_regs()
77 	gr->sr5 = regs->sr[5];  in pt_regs_to_gdb_regs()
78 	gr->sr6 = regs->sr[6];  in pt_regs_to_gdb_regs()
79 	gr->sr7 = regs->sr[7];  in pt_regs_to_gdb_regs()
81 	gr->sar = regs->sar;  in pt_regs_to_gdb_regs()
82 	gr->iir = regs->iir;  in pt_regs_to_gdb_regs()
83 	gr->isr = regs->isr;  in pt_regs_to_gdb_regs()
84 	gr->ior = regs->ior;  in pt_regs_to_gdb_regs()
85 	gr->ipsw = regs->ipsw;  in pt_regs_to_gdb_regs()
86 	gr->cr27 = regs->cr27;  in pt_regs_to_gdb_regs()
88 	gr->iaoq_f = regs->iaoq[0];  in pt_regs_to_gdb_regs()
89 	gr->iasq_f = regs->iasq[0];  in pt_regs_to_gdb_regs()
91 	gr->iaoq_b = regs->iaoq[1];  in pt_regs_to_gdb_regs()
92 	gr->iasq_b = regs->iasq[1];  in pt_regs_to_gdb_regs()
95 void gdb_regs_to_pt_regs(unsigned long *gdb_regs, struct pt_regs *regs)  in gdb_regs_to_pt_regs()  argument
100 	memcpy(regs->gr, gr->gpr, sizeof(regs->gr));  in gdb_regs_to_pt_regs()
101 	memcpy(regs->fr, gr->fr, sizeof(regs->fr));  in gdb_regs_to_pt_regs()
103 	regs->sr[0] = gr->sr0;  in gdb_regs_to_pt_regs()
104 	regs->sr[1] = gr->sr1;  in gdb_regs_to_pt_regs()
105 	regs->sr[2] = gr->sr2;  in gdb_regs_to_pt_regs()
106 	regs->sr[3] = gr->sr3;  in gdb_regs_to_pt_regs()
107 	regs->sr[4] = gr->sr4;  in gdb_regs_to_pt_regs()
108 	regs->sr[5] = gr->sr5;  in gdb_regs_to_pt_regs()
109 	regs->sr[6] = gr->sr6;  in gdb_regs_to_pt_regs()
110 	regs->sr[7] = gr->sr7;  in gdb_regs_to_pt_regs()
112 	regs->sar = gr->sar;  in gdb_regs_to_pt_regs()
113 	regs->iir = gr->iir;  in gdb_regs_to_pt_regs()
114 	regs->isr = gr->isr;  in gdb_regs_to_pt_regs()
115 	regs->ior = gr->ior;  in gdb_regs_to_pt_regs()
116 	regs->ipsw = gr->ipsw;  in gdb_regs_to_pt_regs()
117 	regs->cr27 = gr->cr27;  in gdb_regs_to_pt_regs()
119 	regs->iaoq[0] = gr->iaoq_f;  in gdb_regs_to_pt_regs()
120 	regs->iasq[0] = gr->iasq_f;  in gdb_regs_to_pt_regs()
122 	regs->iaoq[1] = gr->iaoq_b;  in gdb_regs_to_pt_regs()
123 	regs->iasq[1] = gr->iasq_b;  in gdb_regs_to_pt_regs()
129 	struct pt_regs *regs = task_pt_regs(task);  in sleeping_thread_to_gdb_regs()  local
132 	gr30 = regs->gr[30];  in sleeping_thread_to_gdb_regs()
133 	iaoq = regs->iaoq[0];  in sleeping_thread_to_gdb_regs()
135 	regs->gr[30] = regs->ksp;  in sleeping_thread_to_gdb_regs()
136 	regs->iaoq[0] = regs->kpc;  in sleeping_thread_to_gdb_regs()
137 	pt_regs_to_gdb_regs(gdb_regs, regs);  in sleeping_thread_to_gdb_regs()
139 	regs->gr[30] = gr30;  in sleeping_thread_to_gdb_regs()
140 	regs->iaoq[0] = iaoq;  in sleeping_thread_to_gdb_regs()
144 static void step_instruction_queue(struct pt_regs *regs)  in step_instruction_queue()  argument
146 	regs->iaoq[0] = regs->iaoq[1];  in step_instruction_queue()
147 	regs->iaoq[1] += 4;  in step_instruction_queue()
150 void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long ip)  in kgdb_arch_set_pc()  argument
152 	regs->iaoq[0] = ip;  in kgdb_arch_set_pc()
153 	regs->iaoq[1] = ip + 4;  in kgdb_arch_set_pc()
176 		struct pt_regs *regs)  in kgdb_arch_handle_exception()  argument
189 			kgdb_arch_set_pc(regs, addr);  in kgdb_arch_handle_exception()
190 		else if (trap == 9 && regs->iir ==  in kgdb_arch_handle_exception()
192 			step_instruction_queue(regs);  in kgdb_arch_handle_exception()
197 			kgdb_arch_set_pc(regs, addr);  in kgdb_arch_handle_exception()
198 		} else if (trap == 9 && regs->iir ==  in kgdb_arch_handle_exception()
200 			step_instruction_queue(regs);  in kgdb_arch_handle_exception()
205 		regs->gr[0] |= PSW_R;  in kgdb_arch_handle_exception()