replace berlios url's with sourceforge url's
[openocd.git] / src / openocd.c
1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
4 * *
5 * Copyright (C) 2007-2010 √ėyvind Harboe *
6 * oyvind.harboe@zylin.com *
7 * *
8 * Copyright (C) 2008 Richard Missenden *
9 * richard.missenden@googlemail.com *
10 * *
11 * This program is free software; you can redistribute it and/or modify *
12 * it under the terms of the GNU General Public License as published by *
13 * the Free Software Foundation; either version 2 of the License, or *
14 * (at your option) any later version. *
15 * *
16 * This program is distributed in the hope that it will be useful, *
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
19 * GNU General Public License for more details. *
20 * *
21 * You should have received a copy of the GNU General Public License *
22 * along with this program; if not, write to the *
23 * Free Software Foundation, Inc., *
24 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
25 ***************************************************************************/
26
27 #ifdef HAVE_CONFIG_H
28 #include "config.h"
29 #endif
30
31 #include "openocd.h"
32 #include <jtag/driver.h>
33 #include <jtag/jtag.h>
34 #include <transport/transport.h>
35 #include <helper/ioutil.h>
36 #include <helper/util.h>
37 #include <helper/configuration.h>
38 #include <flash/nor/core.h>
39 #include <flash/nand/core.h>
40 #include <pld/pld.h>
41 #include <flash/mflash.h>
42
43 #include <server/server.h>
44 #include <server/gdb_server.h>
45
46 #ifdef HAVE_STRINGS_H
47 #include <strings.h>
48 #endif
49
50
51 #define OPENOCD_VERSION \
52 "Open On-Chip Debugger " VERSION RELSTR " (" PKGBLDDATE ")"
53
54 /* Give scripts and TELNET a way to find out what version this is */
55 static int jim_version_command(Jim_Interp *interp, int argc,
56 Jim_Obj * const *argv)
57 {
58 if (argc > 2)
59 {
60 return JIM_ERR;
61 }
62 const char *str = "";
63 char * version_str;
64 version_str = OPENOCD_VERSION;
65
66 if (argc == 2)
67 str = Jim_GetString(argv[1], NULL);
68
69 if (strcmp("git", str) == 0)
70 {
71 version_str = GITVERSION;
72 }
73
74 Jim_SetResult(interp, Jim_NewStringObj(interp, version_str, -1));
75
76 return JIM_OK;
77 }
78
79 static int log_target_callback_event_handler(struct target *target, enum target_event event, void *priv)
80 {
81 switch (event)
82 {
83 case TARGET_EVENT_GDB_START:
84 target->display = 0;
85 break;
86 case TARGET_EVENT_GDB_END:
87 target->display = 1;
88 break;
89 case TARGET_EVENT_HALTED:
90 if (target->display)
91 {
92 /* do not display information when debugger caused the halt */
93 target_arch_state(target);
94 }
95 break;
96 default:
97 break;
98 }
99
100 return ERROR_OK;
101 }
102
103 static bool init_at_startup = true;
104
105 COMMAND_HANDLER(handle_noinit_command)
106 {
107 if (CMD_ARGC != 0)
108 return ERROR_COMMAND_SYNTAX_ERROR;
109 init_at_startup = false;
110 return ERROR_OK;
111 }
112
113 /* OpenOCD can't really handle failure of this command. Patches welcome! :-) */
114 COMMAND_HANDLER(handle_init_command)
115 {
116
117 if (CMD_ARGC != 0)
118 return ERROR_COMMAND_SYNTAX_ERROR;
119
120 int retval;
121 static int initialized = 0;
122 if (initialized)
123 return ERROR_OK;
124
125 initialized = 1;
126
127 retval = command_run_line(CMD_CTX, "target init");
128 if (ERROR_OK != retval)
129 return ERROR_FAIL;
130
131 if ((retval = adapter_init(CMD_CTX)) != ERROR_OK)
132 {
133 /* we must be able to set up the debug adapter */
134 return retval;
135 }
136
137 LOG_DEBUG("Debug Adapter init complete");
138
139 /* "transport init" verifies the expected devices are present;
140 * for JTAG, it checks the list of configured TAPs against
141 * what's discoverable, possibly with help from the platform's
142 * JTAG event handlers. (which require COMMAND_EXEC)
143 */
144 command_context_mode(CMD_CTX, COMMAND_EXEC);
145
146 retval = command_run_line(CMD_CTX, "transport init");
147 if (ERROR_OK != retval)
148 return ERROR_FAIL;
149
150 LOG_DEBUG("Examining targets...");
151 if (target_examine() != ERROR_OK)
152 LOG_DEBUG("target examination failed");
153
154 command_context_mode(CMD_CTX, COMMAND_CONFIG);
155
156 if (command_run_line(CMD_CTX, "flash init") != ERROR_OK)
157 return ERROR_FAIL;
158
159 if (command_run_line(CMD_CTX, "mflash init") != ERROR_OK)
160 return ERROR_FAIL;
161
162 if (command_run_line(CMD_CTX, "nand init") != ERROR_OK)
163 return ERROR_FAIL;
164
165 if (command_run_line(CMD_CTX, "pld init") != ERROR_OK)
166 return ERROR_FAIL;
167 command_context_mode(CMD_CTX, COMMAND_EXEC);
168
169 /* initialize telnet subsystem */
170 gdb_target_add_all(all_targets);
171
172 target_register_event_callback(log_target_callback_event_handler, CMD_CTX);
173
174 return ERROR_OK;
175 }
176
177 COMMAND_HANDLER(handle_add_script_search_dir_command)
178 {
179 if (CMD_ARGC != 1)
180 return ERROR_COMMAND_SYNTAX_ERROR;
181
182 add_script_search_dir(CMD_ARGV[0]);
183
184 return ERROR_OK;
185 }
186
187 static const struct command_registration openocd_command_handlers[] = {
188 {
189 .name = "version",
190 .jim_handler = jim_version_command,
191 .mode = COMMAND_ANY,
192 .help = "show program version",
193 },
194 {
195 .name = "noinit",
196 .handler = &handle_noinit_command,
197 .mode = COMMAND_CONFIG,
198 .help = "Prevent 'init' from being called at startup.",
199 },
200 {
201 .name = "init",
202 .handler = &handle_init_command,
203 .mode = COMMAND_ANY,
204 .help = "Initializes configured targets and servers. "
205 "Changes command mode from CONFIG to EXEC. "
206 "Unless 'noinit' is called, this command is "
207 "called automatically at the end of startup.",
208
209 },
210 {
211 .name = "add_script_search_dir",
212 .handler = &handle_add_script_search_dir_command,
213 .mode = COMMAND_ANY,
214 .help = "dir to search for config files and scripts",
215
216 },
217 COMMAND_REGISTRATION_DONE
218 };
219
220 static int openocd_register_commands(struct command_context *cmd_ctx)
221 {
222 return register_commands(cmd_ctx, NULL, openocd_command_handlers);
223 }
224
225 struct command_context *global_cmd_ctx;
226
227 /* NB! this fn can be invoked outside this file for non PC hosted builds
228 * NB! do not change to 'static'!!!!
229 */
230 struct command_context *setup_command_handler(Jim_Interp *interp)
231 {
232 log_init();
233 LOG_DEBUG("log_init: complete");
234
235 const char *startup = openocd_startup_tcl;
236 struct command_context *cmd_ctx = command_init(startup, interp);
237
238 /* register subsystem commands */
239 typedef int (*command_registrant_t)(struct command_context *cmd_ctx_value);
240 static const command_registrant_t command_registrants[] = {
241 &openocd_register_commands,
242 &server_register_commands,
243 &gdb_register_commands,
244 &log_register_commands,
245 &transport_register_commands,
246 &interface_register_commands,
247 &target_register_commands,
248 &flash_register_commands,
249 &nand_register_commands,
250 &pld_register_commands,
251 &mflash_register_commands,
252 NULL
253 };
254 for (unsigned i = 0; NULL != command_registrants[i]; i++)
255 {
256 int retval = (*command_registrants[i])(cmd_ctx);
257 if (ERROR_OK != retval)
258 {
259 command_done(cmd_ctx);
260 return NULL;
261 }
262 }
263 LOG_DEBUG("command registration: complete");
264
265 LOG_OUTPUT(OPENOCD_VERSION "\n"
266 "Licensed under GNU GPL v2\n");
267
268 global_cmd_ctx = cmd_ctx;
269
270 return cmd_ctx;
271 }
272
273 /** OpenOCD runtime meat that can become single-thread in future. It parse
274 * commandline, reads configuration, sets up the target and starts server loop.
275 * Commandline arguments are passed into this function from openocd_main().
276 */
277 static int openocd_thread(int argc, char *argv[], struct command_context *cmd_ctx)
278 {
279 int ret;
280
281 if (parse_cmdline_args(cmd_ctx, argc, argv) != ERROR_OK)
282 return EXIT_FAILURE;
283
284 if (server_preinit() != ERROR_OK)
285 return EXIT_FAILURE;
286
287 ret = parse_config_file(cmd_ctx);
288 if (ret != ERROR_OK)
289 return EXIT_FAILURE;
290
291 ret = server_init(cmd_ctx);
292 if (ERROR_OK != ret)
293 return EXIT_FAILURE;
294
295 ret = command_run_line(cmd_ctx, "init_targets");
296 if (ERROR_OK != ret)
297 ret = EXIT_FAILURE;
298
299 if (init_at_startup)
300 {
301 ret = command_run_line(cmd_ctx, "init");
302 if (ERROR_OK != ret)
303 return EXIT_FAILURE;
304 }
305
306 server_loop(cmd_ctx);
307
308 server_quit();
309
310 return ret;
311 }
312
313 /* normally this is the main() function entry, but if OpenOCD is linked
314 * into application, then this fn will not be invoked, but rather that
315 * application will have it's own implementation of main(). */
316 int openocd_main(int argc, char *argv[])
317 {
318 int ret;
319
320 /* initialize commandline interface */
321 struct command_context *cmd_ctx;
322
323 cmd_ctx = setup_command_handler(NULL);
324
325 if (util_init(cmd_ctx) != ERROR_OK)
326 return EXIT_FAILURE;
327
328 if (ioutil_init(cmd_ctx) != ERROR_OK)
329 return EXIT_FAILURE;
330
331 LOG_OUTPUT("For bug reports, read\n\t"
332 "http://openocd.sourceforge.net/doc/doxygen/bugs.html"
333 "\n");
334
335 command_context_mode(cmd_ctx, COMMAND_CONFIG);
336 command_set_output_handler(cmd_ctx, configuration_output_handler, NULL);
337
338 /* Start the executable meat that can evolve into thread in future. */
339 ret = openocd_thread(argc, argv, cmd_ctx);
340
341 unregister_all_commands(cmd_ctx, NULL);
342
343 /* free commandline interface */
344 command_done(cmd_ctx);
345
346 adapter_quit();
347
348 return ret;
349 }

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