32 void pt_regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs)  in pt_regs_to_gdb_regs()  argument
34 	unsigned long ssp = (unsigned long) (regs + 1);  in pt_regs_to_gdb_regs()
36 	gdb_regs[GDB_FR_D0]	= regs->d0;  in pt_regs_to_gdb_regs()
37 	gdb_regs[GDB_FR_D1]	= regs->d1;  in pt_regs_to_gdb_regs()
38 	gdb_regs[GDB_FR_D2]	= regs->d2;  in pt_regs_to_gdb_regs()
39 	gdb_regs[GDB_FR_D3]	= regs->d3;  in pt_regs_to_gdb_regs()
40 	gdb_regs[GDB_FR_A0]	= regs->a0;  in pt_regs_to_gdb_regs()
41 	gdb_regs[GDB_FR_A1]	= regs->a1;  in pt_regs_to_gdb_regs()
42 	gdb_regs[GDB_FR_A2]	= regs->a2;  in pt_regs_to_gdb_regs()
43 	gdb_regs[GDB_FR_A3]	= regs->a3;  in pt_regs_to_gdb_regs()
44 	gdb_regs[GDB_FR_SP]	= (regs->epsw & EPSW_nSL) ? regs->sp : ssp;  in pt_regs_to_gdb_regs()
45 	gdb_regs[GDB_FR_PC]	= regs->pc;  in pt_regs_to_gdb_regs()
46 	gdb_regs[GDB_FR_MDR]	= regs->mdr;  in pt_regs_to_gdb_regs()
47 	gdb_regs[GDB_FR_EPSW]	= regs->epsw;  in pt_regs_to_gdb_regs()
48 	gdb_regs[GDB_FR_LIR]	= regs->lir;  in pt_regs_to_gdb_regs()
49 	gdb_regs[GDB_FR_LAR]	= regs->lar;  in pt_regs_to_gdb_regs()
50 	gdb_regs[GDB_FR_MDRQ]	= regs->mdrq;  in pt_regs_to_gdb_regs()
51 	gdb_regs[GDB_FR_E0]	= regs->e0;  in pt_regs_to_gdb_regs()
52 	gdb_regs[GDB_FR_E1]	= regs->e1;  in pt_regs_to_gdb_regs()
53 	gdb_regs[GDB_FR_E2]	= regs->e2;  in pt_regs_to_gdb_regs()
54 	gdb_regs[GDB_FR_E3]	= regs->e3;  in pt_regs_to_gdb_regs()
55 	gdb_regs[GDB_FR_E4]	= regs->e4;  in pt_regs_to_gdb_regs()
56 	gdb_regs[GDB_FR_E5]	= regs->e5;  in pt_regs_to_gdb_regs()
57 	gdb_regs[GDB_FR_E6]	= regs->e6;  in pt_regs_to_gdb_regs()
58 	gdb_regs[GDB_FR_E7]	= regs->e7;  in pt_regs_to_gdb_regs()
61 	gdb_regs[GDB_FR_USP]	= regs->sp;  in pt_regs_to_gdb_regs()
62 	gdb_regs[GDB_FR_MCRH]	= regs->mcrh;  in pt_regs_to_gdb_regs()
63 	gdb_regs[GDB_FR_MCRL]	= regs->mcrl;  in pt_regs_to_gdb_regs()
64 	gdb_regs[GDB_FR_MCVF]	= regs->mcvf;  in pt_regs_to_gdb_regs()
86 void gdb_regs_to_pt_regs(unsigned long *gdb_regs, struct pt_regs *regs)  in gdb_regs_to_pt_regs()  argument
88 	regs->d0	= gdb_regs[GDB_FR_D0];  in gdb_regs_to_pt_regs()
89 	regs->d1	= gdb_regs[GDB_FR_D1];  in gdb_regs_to_pt_regs()
90 	regs->d2	= gdb_regs[GDB_FR_D2];  in gdb_regs_to_pt_regs()
91 	regs->d3	= gdb_regs[GDB_FR_D3];  in gdb_regs_to_pt_regs()
92 	regs->a0	= gdb_regs[GDB_FR_A0];  in gdb_regs_to_pt_regs()
93 	regs->a1	= gdb_regs[GDB_FR_A1];  in gdb_regs_to_pt_regs()
94 	regs->a2	= gdb_regs[GDB_FR_A2];  in gdb_regs_to_pt_regs()
95 	regs->a3	= gdb_regs[GDB_FR_A3];  in gdb_regs_to_pt_regs()
96 	regs->sp	= gdb_regs[GDB_FR_SP];  in gdb_regs_to_pt_regs()
97 	regs->pc	= gdb_regs[GDB_FR_PC];  in gdb_regs_to_pt_regs()
98 	regs->mdr	= gdb_regs[GDB_FR_MDR];  in gdb_regs_to_pt_regs()
99 	regs->epsw	= gdb_regs[GDB_FR_EPSW];  in gdb_regs_to_pt_regs()
100 	regs->lir	= gdb_regs[GDB_FR_LIR];  in gdb_regs_to_pt_regs()
101 	regs->lar	= gdb_regs[GDB_FR_LAR];  in gdb_regs_to_pt_regs()
102 	regs->mdrq	= gdb_regs[GDB_FR_MDRQ];  in gdb_regs_to_pt_regs()
103 	regs->e0	= gdb_regs[GDB_FR_E0];  in gdb_regs_to_pt_regs()
104 	regs->e1	= gdb_regs[GDB_FR_E1];  in gdb_regs_to_pt_regs()
105 	regs->e2	= gdb_regs[GDB_FR_E2];  in gdb_regs_to_pt_regs()
106 	regs->e3	= gdb_regs[GDB_FR_E3];  in gdb_regs_to_pt_regs()
107 	regs->e4	= gdb_regs[GDB_FR_E4];  in gdb_regs_to_pt_regs()
108 	regs->e5	= gdb_regs[GDB_FR_E5];  in gdb_regs_to_pt_regs()
109 	regs->e6	= gdb_regs[GDB_FR_E6];  in gdb_regs_to_pt_regs()
110 	regs->e7	= gdb_regs[GDB_FR_E7];  in gdb_regs_to_pt_regs()
111 	regs->sp	= gdb_regs[GDB_FR_SSP];  in gdb_regs_to_pt_regs()
114 	regs->mcrh	= gdb_regs[GDB_FR_MCRH];  in gdb_regs_to_pt_regs()
115 	regs->mcrl	= gdb_regs[GDB_FR_MCRL];  in gdb_regs_to_pt_regs()
116 	regs->mcvf	= gdb_regs[GDB_FR_MCVF];  in gdb_regs_to_pt_regs()
155 static int kgdb_arch_do_singlestep(struct pt_regs *regs)  in kgdb_arch_do_singlestep()  argument
159 	u8 *pc = (u8 *)regs->pc, *sp = (u8 *)(regs + 1), cur;  in kgdb_arch_do_singlestep()
188 		if (regs->pc == regs->lar)  in kgdb_arch_do_singlestep()
190 		y = (u8 *)regs->lar;  in kgdb_arch_do_singlestep()
219 		x = (u8 *)regs->mdr;  in kgdb_arch_do_singlestep()
240 			case 0: x = (u8 *)regs->a0; break;  in kgdb_arch_do_singlestep()
241 			case 1: x = (u8 *)regs->a1; break;  in kgdb_arch_do_singlestep()
242 			case 2: x = (u8 *)regs->a2; break;  in kgdb_arch_do_singlestep()
243 			case 3: x = (u8 *)regs->a3; break;  in kgdb_arch_do_singlestep()
360 static bool kgdb_arch_undo_singlestep(struct pt_regs *regs)  in kgdb_arch_undo_singlestep()  argument
368 			if (x == (u8 *)regs->pc)  in kgdb_arch_undo_singlestep()
378 			if (y == (u8 *)regs->pc)  in kgdb_arch_undo_singlestep()
418 			       struct pt_regs *regs)  in kgdb_arch_handle_exception()  argument
429 			regs->pc = addr;  in kgdb_arch_handle_exception()
435 			kgdb_arch_do_singlestep(regs);  in kgdb_arch_handle_exception()
450 		       struct pt_regs *regs)  in debugger_intercept()  argument
454 	if (kgdb_arch_undo_singlestep(regs)) {  in debugger_intercept()
460 	ret = kgdb_handle_exception(excep, signo, si_code, regs);  in debugger_intercept()
470 int at_debugger_breakpoint(struct pt_regs *regs)  in at_debugger_breakpoint()  argument
472 	return regs->pc == (unsigned long)&__arch_kgdb_breakpoint;  in at_debugger_breakpoint()
491 void debugger_nmi_interrupt(struct pt_regs *regs, enum exception_code code)  in debugger_nmi_interrupt()  argument
493 	kgdb_nmicallback(arch_smp_processor_id(), regs);  in debugger_nmi_interrupt()