1 /* kgdb.c: KGDB support for 64-bit sparc.
17 	int i;  in pt_regs_to_gdb_regs()  local
20 	for (i = 0; i < 15; i++)  in pt_regs_to_gdb_regs()
21 		gdb_regs[GDB_G1 + i] = regs->u_regs[UREG_G1 + i];  in pt_regs_to_gdb_regs()
23 	win = (struct reg_window *) (regs->u_regs[UREG_FP] + STACK_BIAS);  in pt_regs_to_gdb_regs()
24 	for (i = 0; i < 8; i++)  in pt_regs_to_gdb_regs()
25 		gdb_regs[GDB_L0 + i] = win->locals[i];  in pt_regs_to_gdb_regs()
26 	for (i = 0; i < 8; i++)  in pt_regs_to_gdb_regs()
27 		gdb_regs[GDB_I0 + i] = win->ins[i];  in pt_regs_to_gdb_regs()
29 	for (i = GDB_F0; i <= GDB_F62; i++)  in pt_regs_to_gdb_regs()
30 		gdb_regs[i] = 0;  in pt_regs_to_gdb_regs()
32 	gdb_regs[GDB_PC] = regs->tpc;  in pt_regs_to_gdb_regs()
33 	gdb_regs[GDB_NPC] = regs->tnpc;  in pt_regs_to_gdb_regs()
34 	gdb_regs[GDB_STATE] = regs->tstate;  in pt_regs_to_gdb_regs()
37 	gdb_regs[GDB_Y] = regs->y;  in pt_regs_to_gdb_regs()
47 	int i;  in sleeping_thread_to_gdb_regs()  local
49 	for (i = GDB_G0; i < GDB_G6; i++)  in sleeping_thread_to_gdb_regs()
50 		gdb_regs[i] = 0;  in sleeping_thread_to_gdb_regs()
53 	for (i = GDB_O0; i < GDB_SP; i++)  in sleeping_thread_to_gdb_regs()
54 		gdb_regs[i] = 0;  in sleeping_thread_to_gdb_regs()
55 	gdb_regs[GDB_SP] = t->ksp;  in sleeping_thread_to_gdb_regs()
58 	win = (struct reg_window *) (t->ksp + STACK_BIAS);  in sleeping_thread_to_gdb_regs()
59 	for (i = 0; i < 8; i++)  in sleeping_thread_to_gdb_regs()
60 		gdb_regs[GDB_L0 + i] = win->locals[i];  in sleeping_thread_to_gdb_regs()
61 	for (i = 0; i < 8; i++)  in sleeping_thread_to_gdb_regs()
62 		gdb_regs[GDB_I0 + i] = win->ins[i];  in sleeping_thread_to_gdb_regs()
64 	for (i = GDB_F0; i <= GDB_F62; i++)  in sleeping_thread_to_gdb_regs()
65 		gdb_regs[i] = 0;  in sleeping_thread_to_gdb_regs()
67 	if (t->new_child)  in sleeping_thread_to_gdb_regs()
86 	int i;  in gdb_regs_to_pt_regs()  local
88 	for (i = 0; i < 15; i++)  in gdb_regs_to_pt_regs()
89 		regs->u_regs[UREG_G1 + i] = gdb_regs[GDB_G1 + i];  in gdb_regs_to_pt_regs()
94 	if (regs->tstate != gdb_regs[GDB_STATE]) {  in gdb_regs_to_pt_regs()
95 		unsigned long cwp = regs->tstate & TSTATE_CWP;  in gdb_regs_to_pt_regs()
97 		regs->tstate = (gdb_regs[GDB_STATE] & ~TSTATE_CWP) | cwp;  in gdb_regs_to_pt_regs()
100 	regs->tpc = gdb_regs[GDB_PC];  in gdb_regs_to_pt_regs()
101 	regs->tnpc = gdb_regs[GDB_NPC];  in gdb_regs_to_pt_regs()
102 	regs->y = gdb_regs[GDB_Y];  in gdb_regs_to_pt_regs()
104 	win = (struct reg_window *) (regs->u_regs[UREG_FP] + STACK_BIAS);  in gdb_regs_to_pt_regs()
105 	for (i = 0; i < 8; i++)  in gdb_regs_to_pt_regs()
106 		win->locals[i] = gdb_regs[GDB_L0 + i];  in gdb_regs_to_pt_regs()
107 	for (i = 0; i < 8; i++)  in gdb_regs_to_pt_regs()
108 		win->ins[i] = gdb_regs[GDB_I0 + i];  in gdb_regs_to_pt_regs()
119 			     : "i" (PSTATE_IE));  in smp_kgdb_capture_client()
123 	if (atomic_read(&kgdb_active) != -1)  in smp_kgdb_capture_client()
143 			linux_regs->tpc = addr;  in kgdb_arch_handle_exception()
144 			linux_regs->tnpc = addr + 4;  in kgdb_arch_handle_exception()
150 		if (linux_regs->tpc == (unsigned long) arch_kgdb_breakpoint) {  in kgdb_arch_handle_exception()
151 			linux_regs->tpc = linux_regs->tnpc;  in kgdb_arch_handle_exception()
152 			linux_regs->tnpc += 4;  in kgdb_arch_handle_exception()
156 	return -1;  in kgdb_arch_handle_exception()
186 	regs->tpc = ip;  in kgdb_arch_set_pc()
187 	regs->tnpc = regs->tpc + 4;  in kgdb_arch_set_pc()