Commit | Line | Data |
---|---|---|
1480482a | 1 | /* Remote target glue for the Hitachi SH-3 ROM monitor. |
c84e5000 | 2 | Copyright 1995, 1996 Free Software Foundation, Inc. |
1480482a SG |
3 | |
4 | This file is part of GDB. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
19 | ||
20 | #include "defs.h" | |
21 | #include "gdbcore.h" | |
22 | #include "target.h" | |
23 | #include "monitor.h" | |
24 | #include "serial.h" | |
5c8ba017 | 25 | #include "srec.h" |
1480482a | 26 | |
c84e5000 SC |
27 | static serial_t parallel; |
28 | static int parallel_in_use; | |
29 | ||
1480482a SG |
30 | static void sh3_open PARAMS ((char *args, int from_tty)); |
31 | ||
32 | static void | |
33 | sh3_supply_register (regname, regnamelen, val, vallen) | |
34 | char *regname; | |
35 | int regnamelen; | |
36 | char *val; | |
37 | int vallen; | |
38 | { | |
39 | int numregs; | |
40 | int regno; | |
41 | ||
42 | numregs = 1; | |
43 | regno = -1; | |
44 | ||
45 | if (regnamelen == 2) | |
00dd4fd9 SS |
46 | { |
47 | switch (regname[0]) | |
48 | { | |
49 | case 'S': | |
50 | if (regname[1] == 'R') | |
51 | regno = SR_REGNUM; | |
52 | break; | |
53 | case 'P': | |
54 | if (regname[1] == 'C') | |
55 | regno = PC_REGNUM; | |
56 | else if (regname[1] == 'R') | |
57 | regno = PR_REGNUM; | |
58 | break; | |
59 | } | |
60 | } | |
1480482a | 61 | else if (regnamelen == 3) |
00dd4fd9 SS |
62 | { |
63 | switch (regname[0]) | |
64 | { | |
65 | case 'G': | |
66 | case 'V': | |
67 | if (regname[1] == 'B' && regname[2] == 'R') | |
68 | if (regname[0] == 'G') | |
69 | regno = VBR_REGNUM; | |
70 | else | |
71 | regno = GBR_REGNUM; | |
72 | break; | |
1480482a | 73 | #if 0 |
00dd4fd9 SS |
74 | case 'S': |
75 | if (regname[1] == 'S' && regname[2] == 'R') | |
76 | regno = SSR_REGNUM; | |
77 | else if (regname[1] == 'P' && regname[2] == 'C') | |
78 | regno = SPC_REGNUM; | |
79 | break; | |
1480482a | 80 | #endif |
00dd4fd9 SS |
81 | } |
82 | } | |
1480482a | 83 | else if (regnamelen == 4) |
00dd4fd9 SS |
84 | { |
85 | switch (regname[0]) | |
86 | { | |
87 | case 'M': | |
88 | if (regname[1] == 'A' && regname[2] == 'C') | |
89 | if (regname[3] == 'H') | |
90 | regno = MACH_REGNUM; | |
91 | else if (regname[3] == 'L') | |
92 | regno = MACL_REGNUM; | |
93 | break; | |
94 | case 'R': | |
95 | if (regname[1] == '0' && regname[2] == '-' && regname[3] == '7') | |
96 | { | |
97 | regno = R0_REGNUM; | |
98 | numregs = 8; | |
99 | } | |
100 | } | |
101 | } | |
1480482a | 102 | else if (regnamelen == 5) |
00dd4fd9 SS |
103 | { |
104 | if (regname[1] == '8' && regname[2] == '-' && regname[3] == '1' | |
105 | && regname[4] =='5') | |
106 | { | |
107 | regno = R0_REGNUM + 8; | |
108 | numregs = 8; | |
109 | } | |
110 | } | |
111 | ||
1480482a SG |
112 | if (regno >= 0) |
113 | while (numregs-- > 0) | |
114 | val = monitor_supply_register (regno++, val); | |
115 | } | |
116 | ||
5c8ba017 SG |
117 | static void |
118 | sh3_load (desc, file, hashmark) | |
119 | serial_t desc; | |
120 | char *file; | |
121 | int hashmark; | |
122 | { | |
c84e5000 SC |
123 | if (parallel_in_use) |
124 | { | |
125 | monitor_printf("pl;s\r"); | |
126 | load_srec (parallel, file, 80, SREC_ALL, hashmark); | |
127 | monitor_expect_prompt (NULL, 0); | |
128 | } | |
129 | else | |
130 | { | |
131 | monitor_printf ("il;s:x\r"); | |
132 | monitor_expect ("\005", NULL, 0); /* Look for ENQ */ | |
133 | SERIAL_WRITE (desc, "\006", 1); /* Send ACK */ | |
134 | monitor_expect ("LO x\r", NULL, 0); /* Look for filename */ | |
5c8ba017 | 135 | |
c84e5000 | 136 | load_srec (desc, file, 80, SREC_ALL, hashmark); |
5c8ba017 | 137 | |
c84e5000 SC |
138 | monitor_expect ("\005", NULL, 0); /* Look for ENQ */ |
139 | SERIAL_WRITE (desc, "\006", 1); /* Send ACK */ | |
140 | monitor_expect_prompt (NULL, 0); | |
141 | } | |
5c8ba017 SG |
142 | } |
143 | ||
1480482a SG |
144 | /* This array of registers need to match the indexes used by GDB. |
145 | This exists because the various ROM monitors use different strings | |
146 | than does GDB, and don't necessarily support all the registers | |
147 | either. So, typing "info reg sp" becomes a "r30". */ | |
148 | ||
149 | static char *sh3_regnames[NUM_REGS] = { | |
00dd4fd9 SS |
150 | "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", |
151 | "R8", "R9", "R10", "R11","R12", "R13", "R14", "R15", | |
152 | "PC", "PR", "GBR", "VBR","MACH","MACL", "SR", | |
153 | NULL, NULL, | |
154 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
155 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
156 | "R0_BANK0", "R1_BANK0", "R2_BANK0", "R3_BANK0", | |
157 | "R4_BANK0", "R5_BANK0", "R6_BANK0", "R7_BANK0", | |
158 | "R0_BANK1", "R1_BANK1", "R2_BANK1", "R3_BANK1", | |
159 | "R4_BANK1", "R5_BANK1", "R6_BANK1", "R7_BANK1" | |
160 | }; | |
1480482a SG |
161 | |
162 | /* Define the monitor command strings. Since these are passed directly | |
163 | through to a printf style function, we may include formatting | |
164 | strings. We also need a CR or LF on the end. */ | |
165 | ||
166 | static struct target_ops sh3_ops; | |
167 | ||
168 | static char *sh3_inits[] = {"\003", NULL}; /* Exits sub-command mode & download cmds */ | |
169 | ||
170 | static struct monitor_ops sh3_cmds = | |
171 | { | |
283dc598 SG |
172 | MO_CLR_BREAK_USES_ADDR |
173 | | MO_GETMEM_READ_SINGLE, /* flags */ | |
1480482a SG |
174 | sh3_inits, /* monitor init string */ |
175 | "g\r", /* continue command */ | |
176 | "s\r", /* single step */ | |
177 | "\003", /* Interrupt program */ | |
178 | "b %x\r", /* set a breakpoint */ | |
179 | "b -%x\r", /* clear a breakpoint */ | |
180 | "b -\r", /* clear all breakpoints */ | |
181 | "f %x @%x %x\r", /* fill (start len val) */ | |
182 | { | |
183 | "m %x %x\r", /* setmem.cmdb (addr, value) */ | |
184 | "m %x %x;w\r", /* setmem.cmdw (addr, value) */ | |
185 | "m %x %x;l\r", /* setmem.cmdl (addr, value) */ | |
186 | NULL, /* setmem.cmdll (addr, value) */ | |
187 | NULL, /* setreg.resp_delim */ | |
188 | NULL, /* setreg.term */ | |
189 | NULL, /* setreg.term_cmd */ | |
190 | }, | |
191 | { | |
283dc598 SG |
192 | "m %x\r", /* getmem.cmdb (addr, len) */ |
193 | "m %x;w\r", /* getmem.cmdw (addr, len) */ | |
194 | "m %x;l\r", /* getmem.cmdl (addr, len) */ | |
1480482a | 195 | NULL, /* getmem.cmdll (addr, len) */ |
283dc598 SG |
196 | "^ [0-9A-F]+ ", /* getmem.resp_delim */ |
197 | "? ", /* getmem.term */ | |
198 | ".\r", /* getmem.term_cmd */ | |
1480482a SG |
199 | }, |
200 | { | |
201 | ".%s %x\r", /* setreg.cmd (name, value) */ | |
202 | NULL, /* setreg.resp_delim */ | |
203 | NULL, /* setreg.term */ | |
204 | NULL /* setreg.term_cmd */ | |
205 | }, | |
206 | { | |
207 | ".%s\r", /* getreg.cmd (name) */ | |
208 | "=", /* getreg.resp_delim */ | |
209 | "? ", /* getreg.term */ | |
210 | ".\r" /* getreg.term_cmd */ | |
211 | }, | |
212 | "r\r", /* dump_registers */ | |
213 | /* register_pattern */ | |
214 | "\\(\\w+\\)=\\([0-9a-fA-F]+\\( +[0-9a-fA-F]+\\b\\)*\\)", | |
215 | sh3_supply_register, /* supply_register */ | |
5c8ba017 SG |
216 | sh3_load, /* load_routine */ |
217 | NULL, /* download command */ | |
1480482a SG |
218 | NULL, /* Load response */ |
219 | "\n:", /* monitor command prompt */ | |
220 | "\r", /* end-of-line terminator */ | |
221 | ".\r", /* optional command terminator */ | |
222 | &sh3_ops, /* target operations */ | |
223 | SERIAL_1_STOPBITS, /* number of stop bits */ | |
224 | sh3_regnames, /* registers names */ | |
225 | MONITOR_OPS_MAGIC /* magic */ | |
226 | }; | |
227 | ||
228 | static void | |
229 | sh3_open (args, from_tty) | |
230 | char *args; | |
231 | int from_tty; | |
232 | { | |
c84e5000 SC |
233 | char *serial_port_name = args; |
234 | char *parallel_port_name = 0; | |
00dd4fd9 | 235 | |
c84e5000 SC |
236 | if (args) |
237 | { | |
00dd4fd9 | 238 | char *cursor = serial_port_name = strsave (args); |
c84e5000 SC |
239 | |
240 | while (*cursor && *cursor != ' ') | |
241 | cursor++; | |
242 | ||
243 | if (*cursor) | |
244 | *cursor++ = 0; | |
245 | ||
246 | while (*cursor == ' ') | |
247 | cursor++; | |
248 | ||
249 | if (*cursor) | |
250 | parallel_port_name = cursor; | |
251 | } | |
252 | ||
253 | monitor_open (serial_port_name, &sh3_cmds, from_tty); | |
254 | ||
255 | if (parallel_port_name) | |
256 | { | |
257 | parallel = SERIAL_OPEN (parallel_port_name); | |
00dd4fd9 | 258 | |
c84e5000 | 259 | if (!parallel) |
00dd4fd9 SS |
260 | perror_with_name ("Unable to open parallel port."); |
261 | ||
c84e5000 SC |
262 | parallel_in_use = 1; |
263 | } | |
00dd4fd9 SS |
264 | |
265 | /* If we connected successfully, we know the processor is an SH3. */ | |
266 | sh_set_processor_type ("sh3"); | |
c84e5000 SC |
267 | } |
268 | ||
269 | ||
270 | static void | |
271 | sh3_close (quitting) | |
272 | int quitting; | |
273 | { | |
274 | monitor_close (quitting); | |
275 | if (parallel_in_use) { | |
276 | SERIAL_CLOSE (parallel); | |
277 | parallel_in_use = 0; | |
278 | } | |
1480482a SG |
279 | } |
280 | ||
281 | void | |
282 | _initialize_sh3 () | |
283 | { | |
284 | init_monitor_ops (&sh3_ops); | |
285 | ||
286 | sh3_ops.to_shortname = "sh3"; | |
287 | sh3_ops.to_longname = "Hitachi SH-3 rom monitor"; | |
c84e5000 SC |
288 | |
289 | sh3_ops.to_doc = | |
290 | #ifdef _WINDOWS | |
291 | /* On windows we can talk through the parallel port too. */ | |
292 | "Debug on a Hitachi eval board running the SH-3 rom monitor.\n" | |
293 | "Specify the serial device it is connected to (e.g. com2).\n" | |
294 | "If you want to use the parallel port to download to it, specify that\n" | |
295 | "as the second argument. (e.g. lpt1)"; | |
296 | #else | |
297 | "Debug on a Hitachi eval board running the SH-3 rom monitor.\n\ | |
1480482a | 298 | Specify the serial device it is connected to (e.g. /dev/ttya)."; |
c84e5000 SC |
299 | #endif |
300 | ||
1480482a | 301 | sh3_ops.to_open = sh3_open; |
c84e5000 | 302 | sh3_ops.to_close = sh3_close; |
1480482a SG |
303 | |
304 | add_target (&sh3_ops); | |
305 | } |