Commit | Line | Data |
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c906108c SS |
1 | /* Remote debugging interface for DINK32 (PowerPC) ROM monitor for |
2 | GDB, the GNU debugger. | |
3 | Copyright 1997 Free Software Foundation, Inc. | |
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 | |
9 | the Free Software Foundation; either version 2 of the License, or | |
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 JM |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
21 | |
22 | #include "defs.h" | |
23 | #include "gdbcore.h" | |
24 | #include "target.h" | |
25 | #include "monitor.h" | |
26 | #include "serial.h" | |
27 | ||
28 | static void dink32_open PARAMS ((char *args, int from_tty)); | |
29 | ||
30 | static void | |
31 | dink32_supply_register (regname, regnamelen, val, vallen) | |
32 | char *regname; | |
33 | int regnamelen; | |
34 | char *val; | |
35 | int vallen; | |
36 | { | |
37 | int regno = 0, base = 0; | |
38 | ||
39 | if (regnamelen < 2 || regnamelen > 4) | |
40 | return; | |
41 | ||
42 | switch (regname[0]) | |
43 | { | |
44 | case 'R': | |
45 | if (regname[1] < '0' || regname[1] > '9') | |
46 | return; | |
47 | if (regnamelen == 2) | |
48 | regno = regname[1] - '0'; | |
49 | else if (regnamelen == 3 && regname[2] >= '0' && regname[2] <= '9') | |
50 | regno = (regname[1] - '0') * 10 + (regname[2] - '0'); | |
51 | else | |
52 | return; | |
53 | break; | |
54 | case 'F': | |
55 | if (regname[1] != 'R' || regname[2] < '0' || regname[2] > '9') | |
56 | return; | |
57 | if (regnamelen == 3) | |
58 | regno = 32 + regname[2] - '0'; | |
59 | else if (regnamelen == 4 && regname[3] >= '0' && regname[3] <= '9') | |
60 | regno = 32 + (regname[2] - '0') * 10 + (regname[3] - '0'); | |
61 | else | |
62 | return; | |
63 | break; | |
64 | case 'I': | |
65 | if (regnamelen != 2 || regname[1] != 'P') | |
66 | return; | |
67 | regno = 64; | |
68 | break; | |
69 | case 'M': | |
70 | if (regnamelen != 3 || regname[1] != 'S' || regname[2] != 'R') | |
71 | return; | |
72 | regno = 65; | |
73 | break; | |
74 | case 'C': | |
75 | if (regnamelen != 2 || regname[1] != 'R') | |
76 | return; | |
77 | regno = 66; | |
78 | break; | |
79 | case 'S': | |
80 | if (regnamelen != 4 || regname[1] != 'P' || regname[2] != 'R') | |
81 | return; | |
82 | else if (regname[3] == '8') | |
83 | regno = 67; | |
84 | else if (regname[3] == '9') | |
85 | regno = 68; | |
86 | else if (regname[3] == '1') | |
87 | regno = 69; | |
88 | else if (regname[3] == '0') | |
89 | regno = 70; | |
90 | else | |
91 | return; | |
92 | break; | |
93 | default: | |
94 | return; | |
95 | } | |
96 | ||
97 | monitor_supply_register (regno, val); | |
98 | } | |
99 | ||
100 | static void | |
101 | dink32_load (monops, filename, from_tty) | |
102 | struct monitor_ops *monops; | |
103 | char *filename; | |
104 | int from_tty; | |
105 | { | |
106 | extern int inferior_pid; | |
107 | ||
108 | generic_load (filename, from_tty); | |
109 | ||
110 | /* Finally, make the PC point at the start address */ | |
111 | if (exec_bfd) | |
112 | write_pc (bfd_get_start_address (exec_bfd)); | |
113 | ||
c5aa993b | 114 | inferior_pid = 0; /* No process now */ |
c906108c SS |
115 | } |
116 | ||
117 | ||
118 | /* This array of registers needs to match the indexes used by GDB. The | |
119 | whole reason this exists is because the various ROM monitors use | |
120 | different names than GDB does, and don't support all the registers | |
121 | either. */ | |
122 | ||
123 | static char *dink32_regnames[NUM_REGS] = | |
124 | { | |
c5aa993b JM |
125 | "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", |
126 | "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", | |
127 | "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", | |
128 | "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31", | |
c906108c | 129 | |
c5aa993b JM |
130 | "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", |
131 | "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", | |
132 | "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", | |
133 | "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", | |
c906108c | 134 | |
c5aa993b | 135 | "srr0", "msr", "cr", "lr", "ctr", "xer", "xer" |
c906108c SS |
136 | }; |
137 | ||
138 | static struct target_ops dink32_ops; | |
139 | ||
c5aa993b JM |
140 | static char *dink32_inits[] = |
141 | {"\r", NULL}; | |
c906108c SS |
142 | |
143 | static struct monitor_ops dink32_cmds; | |
144 | ||
145 | static void | |
146 | dink32_open (args, from_tty) | |
147 | char *args; | |
148 | int from_tty; | |
149 | { | |
150 | monitor_open (args, &dink32_cmds, from_tty); | |
151 | } | |
152 | ||
153 | void | |
154 | _initialize_dink32_rom () | |
155 | { | |
156 | dink32_cmds.flags = MO_HEX_PREFIX | MO_GETMEM_NEEDS_RANGE | MO_FILL_USES_ADDR | MO_HANDLE_NL | MO_32_REGS_PAIRED | MO_SETREG_INTERACTIVE | MO_SETMEM_INTERACTIVE | MO_GETMEM_16_BOUNDARY | MO_CLR_BREAK_1_BASED | MO_SREC_ACK | MO_SREC_ACK_ROTATE; | |
157 | dink32_cmds.init = dink32_inits; | |
158 | dink32_cmds.cont = "go +\r"; | |
159 | dink32_cmds.step = "tr +\r"; | |
160 | dink32_cmds.set_break = "bp 0x%x\r"; | |
161 | dink32_cmds.clr_break = "bp %d\r"; | |
c5aa993b | 162 | #if 0 /* Would need to follow strict alignment rules.. */ |
c906108c SS |
163 | dink32_cmds.fill = "mf %x %x %x\r"; |
164 | #endif | |
165 | dink32_cmds.setmem.cmdb = "mm -b %x\r"; | |
166 | dink32_cmds.setmem.cmdw = "mm -w %x\r"; | |
167 | dink32_cmds.setmem.cmdl = "mm %x\r"; | |
168 | dink32_cmds.setmem.term = " ? "; | |
169 | dink32_cmds.getmem.cmdb = "md %x\r"; | |
170 | dink32_cmds.getmem.resp_delim = " "; | |
171 | dink32_cmds.setreg.cmd = "rm %s\r"; | |
172 | dink32_cmds.setreg.term = " ? "; | |
173 | dink32_cmds.getreg.cmd = "rd %s\r"; | |
174 | dink32_cmds.getreg.resp_delim = ": "; | |
175 | dink32_cmds.dump_registers = "rd r\r"; | |
176 | dink32_cmds.register_pattern = "\\(\\w+\\) +=\\([0-9a-fA-F]+\\b\\)"; | |
177 | dink32_cmds.supply_register = dink32_supply_register; | |
178 | /* S-record download, via "keyboard port". */ | |
179 | dink32_cmds.load = "dl -k\r"; | |
180 | dink32_cmds.loadresp = "Set Input Port : set to Keyboard Port\r"; | |
c5aa993b | 181 | #if 0 /* slow load routine not needed if S-records work... */ |
c906108c SS |
182 | dink32_cmds.load_routine = dink32_load; |
183 | #endif | |
184 | dink32_cmds.prompt = "DINK32_603 >>"; | |
185 | dink32_cmds.line_term = "\r"; | |
186 | dink32_cmds.target = &dink32_ops; | |
187 | dink32_cmds.stopbits = SERIAL_1_STOPBITS; | |
188 | dink32_cmds.regnames = dink32_regnames; | |
189 | dink32_cmds.magic = MONITOR_OPS_MAGIC; | |
190 | ||
191 | init_monitor_ops (&dink32_ops); | |
192 | ||
193 | dink32_ops.to_shortname = "dink32"; | |
194 | dink32_ops.to_longname = "DINK32 monitor"; | |
195 | dink32_ops.to_doc = "Debug using the DINK32 monitor.\n\ | |
196 | Specify the serial device it is connected to (e.g. /dev/ttya)."; | |
197 | dink32_ops.to_open = dink32_open; | |
198 | ||
199 | add_target (&dink32_ops); | |
200 | } |