Commit | Line | Data |
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c906108c SS |
1 | /* Remote debugging interface for DINK32 (PowerPC) ROM monitor for |
2 | GDB, the GNU debugger. | |
ecd75fc8 | 3 | Copyright (C) 1997-2014 Free Software Foundation, Inc. |
c906108c | 4 | |
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 10 | (at your option) any later version. |
c906108c | 11 | |
c5aa993b JM |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
c906108c | 16 | |
c5aa993b | 17 | You should have received a copy of the GNU General Public License |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
19 | |
20 | #include "defs.h" | |
21 | #include "gdbcore.h" | |
22 | #include "target.h" | |
23 | #include "monitor.h" | |
24 | #include "serial.h" | |
d4f3574e | 25 | #include "symfile.h" /* For generic_load() */ |
fb14de7b | 26 | #include "inferior.h" |
4e052eda | 27 | #include "regcache.h" |
c906108c | 28 | |
c906108c | 29 | static void |
c410a84c UW |
30 | dink32_supply_register (struct regcache *regcache, char *regname, |
31 | int regnamelen, char *val, int vallen) | |
c906108c | 32 | { |
d4f3574e | 33 | int regno = 0; |
c906108c SS |
34 | |
35 | if (regnamelen < 2 || regnamelen > 4) | |
36 | return; | |
37 | ||
38 | switch (regname[0]) | |
39 | { | |
40 | case 'R': | |
41 | if (regname[1] < '0' || regname[1] > '9') | |
42 | return; | |
43 | if (regnamelen == 2) | |
44 | regno = regname[1] - '0'; | |
45 | else if (regnamelen == 3 && regname[2] >= '0' && regname[2] <= '9') | |
46 | regno = (regname[1] - '0') * 10 + (regname[2] - '0'); | |
47 | else | |
48 | return; | |
49 | break; | |
50 | case 'F': | |
51 | if (regname[1] != 'R' || regname[2] < '0' || regname[2] > '9') | |
52 | return; | |
53 | if (regnamelen == 3) | |
54 | regno = 32 + regname[2] - '0'; | |
55 | else if (regnamelen == 4 && regname[3] >= '0' && regname[3] <= '9') | |
56 | regno = 32 + (regname[2] - '0') * 10 + (regname[3] - '0'); | |
57 | else | |
58 | return; | |
59 | break; | |
60 | case 'I': | |
61 | if (regnamelen != 2 || regname[1] != 'P') | |
62 | return; | |
63 | regno = 64; | |
64 | break; | |
65 | case 'M': | |
66 | if (regnamelen != 3 || regname[1] != 'S' || regname[2] != 'R') | |
67 | return; | |
68 | regno = 65; | |
69 | break; | |
70 | case 'C': | |
71 | if (regnamelen != 2 || regname[1] != 'R') | |
72 | return; | |
73 | regno = 66; | |
74 | break; | |
75 | case 'S': | |
76 | if (regnamelen != 4 || regname[1] != 'P' || regname[2] != 'R') | |
77 | return; | |
78 | else if (regname[3] == '8') | |
79 | regno = 67; | |
80 | else if (regname[3] == '9') | |
81 | regno = 68; | |
82 | else if (regname[3] == '1') | |
83 | regno = 69; | |
84 | else if (regname[3] == '0') | |
85 | regno = 70; | |
86 | else | |
87 | return; | |
88 | break; | |
89 | default: | |
90 | return; | |
91 | } | |
92 | ||
c410a84c | 93 | monitor_supply_register (regcache, regno, val); |
c906108c SS |
94 | } |
95 | ||
0963b4bd MS |
96 | /* This array of registers needs to match the indexes used by GDB. |
97 | The whole reason this exists is because the various ROM monitors | |
98 | use different names than GDB does, and don't support all the | |
99 | registers either. */ | |
c906108c | 100 | |
9aa1e687 | 101 | static char *dink32_regnames[] = |
c906108c | 102 | { |
c5aa993b JM |
103 | "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", |
104 | "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", | |
105 | "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", | |
106 | "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31", | |
c906108c | 107 | |
c5aa993b JM |
108 | "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", |
109 | "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", | |
110 | "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", | |
111 | "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", | |
c906108c | 112 | |
c5aa993b | 113 | "srr0", "msr", "cr", "lr", "ctr", "xer", "xer" |
c906108c SS |
114 | }; |
115 | ||
116 | static struct target_ops dink32_ops; | |
117 | ||
c5aa993b JM |
118 | static char *dink32_inits[] = |
119 | {"\r", NULL}; | |
c906108c SS |
120 | |
121 | static struct monitor_ops dink32_cmds; | |
122 | ||
123 | static void | |
014f9477 | 124 | dink32_open (const char *args, int from_tty) |
c906108c SS |
125 | { |
126 | monitor_open (args, &dink32_cmds, from_tty); | |
127 | } | |
128 | ||
a78f21af AC |
129 | extern initialize_file_ftype _initialize_dink32_rom; /* -Wmissing-prototypes */ |
130 | ||
c906108c | 131 | void |
fba45db2 | 132 | _initialize_dink32_rom (void) |
c906108c | 133 | { |
0963b4bd MS |
134 | dink32_cmds.flags = MO_HEX_PREFIX | MO_GETMEM_NEEDS_RANGE |
135 | | MO_FILL_USES_ADDR | MO_HANDLE_NL | MO_32_REGS_PAIRED | |
136 | | MO_SETREG_INTERACTIVE | MO_SETMEM_INTERACTIVE | |
137 | | MO_GETMEM_16_BOUNDARY | MO_CLR_BREAK_1_BASED | MO_SREC_ACK | |
138 | | MO_SREC_ACK_ROTATE; | |
c906108c SS |
139 | dink32_cmds.init = dink32_inits; |
140 | dink32_cmds.cont = "go +\r"; | |
141 | dink32_cmds.step = "tr +\r"; | |
142 | dink32_cmds.set_break = "bp 0x%x\r"; | |
143 | dink32_cmds.clr_break = "bp %d\r"; | |
0963b4bd | 144 | #if 0 /* Would need to follow strict alignment rules.. */ |
c906108c SS |
145 | dink32_cmds.fill = "mf %x %x %x\r"; |
146 | #endif | |
147 | dink32_cmds.setmem.cmdb = "mm -b %x\r"; | |
148 | dink32_cmds.setmem.cmdw = "mm -w %x\r"; | |
149 | dink32_cmds.setmem.cmdl = "mm %x\r"; | |
150 | dink32_cmds.setmem.term = " ? "; | |
151 | dink32_cmds.getmem.cmdb = "md %x\r"; | |
152 | dink32_cmds.getmem.resp_delim = " "; | |
153 | dink32_cmds.setreg.cmd = "rm %s\r"; | |
154 | dink32_cmds.setreg.term = " ? "; | |
155 | dink32_cmds.getreg.cmd = "rd %s\r"; | |
156 | dink32_cmds.getreg.resp_delim = ": "; | |
157 | dink32_cmds.dump_registers = "rd r\r"; | |
158 | dink32_cmds.register_pattern = "\\(\\w+\\) +=\\([0-9a-fA-F]+\\b\\)"; | |
159 | dink32_cmds.supply_register = dink32_supply_register; | |
160 | /* S-record download, via "keyboard port". */ | |
161 | dink32_cmds.load = "dl -k\r"; | |
162 | dink32_cmds.loadresp = "Set Input Port : set to Keyboard Port\r"; | |
c906108c SS |
163 | dink32_cmds.prompt = "DINK32_603 >>"; |
164 | dink32_cmds.line_term = "\r"; | |
165 | dink32_cmds.target = &dink32_ops; | |
166 | dink32_cmds.stopbits = SERIAL_1_STOPBITS; | |
167 | dink32_cmds.regnames = dink32_regnames; | |
168 | dink32_cmds.magic = MONITOR_OPS_MAGIC; | |
169 | ||
170 | init_monitor_ops (&dink32_ops); | |
171 | ||
172 | dink32_ops.to_shortname = "dink32"; | |
173 | dink32_ops.to_longname = "DINK32 monitor"; | |
174 | dink32_ops.to_doc = "Debug using the DINK32 monitor.\n\ | |
175 | Specify the serial device it is connected to (e.g. /dev/ttya)."; | |
176 | dink32_ops.to_open = dink32_open; | |
177 | ||
178 | add_target (&dink32_ops); | |
179 | } |