1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
5 * Copyright (C) 2007-2010 Øyvind Harboe *
6 * oyvind.harboe@zylin.com *
8 * Copyright (C) 2008 Richard Missenden *
9 * richard.missenden@googlemail.com *
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. *
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. *
21 * You should have received a copy of the GNU General Public License *
22 * along with this program. If not, see <http://www.gnu.org/licenses/>. *
23 ***************************************************************************/
30 #include <jtag/driver.h>
31 #include <jtag/jtag.h>
32 #include <transport/transport.h>
33 #include <helper/ioutil.h>
34 #include <helper/util.h>
35 #include <helper/configuration.h>
36 #include <flash/nor/core.h>
37 #include <flash/nand/core.h>
39 #include <target/arm_cti.h>
40 #include <target/arm_adi_v5.h>
41 #include <target/arm_tpiu_swo.h>
44 #include <server/server.h>
45 #include <server/gdb_server.h>
46 #include <server/rtt_server.h>
53 #define OPENOCD_VERSION \
54 "Open On-Chip Debugger " VERSION RELSTR " (" PKGBLDDATE ")"
56 #define OPENOCD_VERSION \
57 "Open On-Chip Debugger " VERSION RELSTR
60 static const char openocd_startup_tcl
[] = {
61 #include "startup_tcl.inc"
62 0 /* Terminate with zero */
65 /* Give scripts and TELNET a way to find out what version this is */
66 static int jim_version_command(Jim_Interp
*interp
, int argc
,
67 Jim_Obj
* const *argv
)
73 version_str
= OPENOCD_VERSION
;
76 str
= Jim_GetString(argv
[1], NULL
);
78 if (strcmp("git", str
) == 0)
79 version_str
= GITVERSION
;
81 Jim_SetResult(interp
, Jim_NewStringObj(interp
, version_str
, -1));
86 static int log_target_callback_event_handler(struct target
*target
,
87 enum target_event event
,
91 case TARGET_EVENT_GDB_START
:
92 target
->verbose_halt_msg
= false;
94 case TARGET_EVENT_GDB_END
:
95 target
->verbose_halt_msg
= true;
97 case TARGET_EVENT_HALTED
:
98 if (target
->verbose_halt_msg
) {
99 /* do not display information when debugger caused the halt */
100 target_arch_state(target
);
110 static bool init_at_startup
= true;
112 COMMAND_HANDLER(handle_noinit_command
)
115 return ERROR_COMMAND_SYNTAX_ERROR
;
116 init_at_startup
= false;
120 /* OpenOCD can't really handle failure of this command. Patches welcome! :-) */
121 COMMAND_HANDLER(handle_init_command
)
125 return ERROR_COMMAND_SYNTAX_ERROR
;
128 static int initialized
;
134 retval
= command_run_line(CMD_CTX
, "target init");
135 if (ERROR_OK
!= retval
)
138 retval
= adapter_init(CMD_CTX
);
139 if (retval
!= ERROR_OK
) {
140 /* we must be able to set up the debug adapter */
144 LOG_DEBUG("Debug Adapter init complete");
146 /* "transport init" verifies the expected devices are present;
147 * for JTAG, it checks the list of configured TAPs against
148 * what's discoverable, possibly with help from the platform's
149 * JTAG event handlers. (which require COMMAND_EXEC)
151 command_context_mode(CMD_CTX
, COMMAND_EXEC
);
153 retval
= command_run_line(CMD_CTX
, "transport init");
154 if (ERROR_OK
!= retval
)
157 retval
= command_run_line(CMD_CTX
, "dap init");
158 if (ERROR_OK
!= retval
)
161 LOG_DEBUG("Examining targets...");
162 if (target_examine() != ERROR_OK
)
163 LOG_DEBUG("target examination failed");
165 command_context_mode(CMD_CTX
, COMMAND_CONFIG
);
167 if (command_run_line(CMD_CTX
, "flash init") != ERROR_OK
)
170 if (command_run_line(CMD_CTX
, "nand init") != ERROR_OK
)
173 if (command_run_line(CMD_CTX
, "pld init") != ERROR_OK
)
175 command_context_mode(CMD_CTX
, COMMAND_EXEC
);
177 /* in COMMAND_EXEC, after target_examine(), only tpiu or only swo */
178 if (command_run_line(CMD_CTX
, "tpiu init") != ERROR_OK
)
181 /* initialize telnet subsystem */
182 gdb_target_add_all(all_targets
);
184 target_register_event_callback(log_target_callback_event_handler
, CMD_CTX
);
189 COMMAND_HANDLER(handle_add_script_search_dir_command
)
192 return ERROR_COMMAND_SYNTAX_ERROR
;
194 add_script_search_dir(CMD_ARGV
[0]);
199 static const struct command_registration openocd_command_handlers
[] = {
202 .jim_handler
= jim_version_command
,
204 .help
= "show program version",
208 .handler
= &handle_noinit_command
,
209 .mode
= COMMAND_CONFIG
,
210 .help
= "Prevent 'init' from being called at startup.",
215 .handler
= &handle_init_command
,
217 .help
= "Initializes configured targets and servers. "
218 "Changes command mode from CONFIG to EXEC. "
219 "Unless 'noinit' is called, this command is "
220 "called automatically at the end of startup.",
224 .name
= "add_script_search_dir",
225 .handler
= &handle_add_script_search_dir_command
,
227 .help
= "dir to search for config files and scripts",
228 .usage
= "<directory>"
230 COMMAND_REGISTRATION_DONE
233 static int openocd_register_commands(struct command_context
*cmd_ctx
)
235 return register_commands(cmd_ctx
, NULL
, openocd_command_handlers
);
238 struct command_context
*global_cmd_ctx
;
240 static struct command_context
*setup_command_handler(Jim_Interp
*interp
)
243 LOG_DEBUG("log_init: complete");
245 struct command_context
*cmd_ctx
= command_init(openocd_startup_tcl
, interp
);
247 /* register subsystem commands */
248 typedef int (*command_registrant_t
)(struct command_context
*cmd_ctx_value
);
249 static const command_registrant_t command_registrants
[] = {
250 &openocd_register_commands
,
251 &server_register_commands
,
252 &gdb_register_commands
,
253 &log_register_commands
,
254 &rtt_server_register_commands
,
255 &transport_register_commands
,
256 &interface_register_commands
,
257 &target_register_commands
,
258 &flash_register_commands
,
259 &nand_register_commands
,
260 &pld_register_commands
,
261 &cti_register_commands
,
262 &dap_register_commands
,
263 &arm_tpiu_swo_register_commands
,
266 for (unsigned i
= 0; NULL
!= command_registrants
[i
]; i
++) {
267 int retval
= (*command_registrants
[i
])(cmd_ctx
);
268 if (ERROR_OK
!= retval
) {
269 command_done(cmd_ctx
);
273 LOG_DEBUG("command registration: complete");
275 LOG_OUTPUT(OPENOCD_VERSION
"\n"
276 "Licensed under GNU GPL v2\n");
278 global_cmd_ctx
= cmd_ctx
;
283 /** OpenOCD runtime meat that can become single-thread in future. It parse
284 * commandline, reads configuration, sets up the target and starts server loop.
285 * Commandline arguments are passed into this function from openocd_main().
287 static int openocd_thread(int argc
, char *argv
[], struct command_context
*cmd_ctx
)
291 if (parse_cmdline_args(cmd_ctx
, argc
, argv
) != ERROR_OK
)
294 if (server_preinit() != ERROR_OK
)
297 ret
= parse_config_file(cmd_ctx
);
298 if (ret
== ERROR_COMMAND_CLOSE_CONNECTION
) {
299 server_quit(); /* gdb server may be initialized by -c init */
301 } else if (ret
!= ERROR_OK
) {
302 server_quit(); /* gdb server may be initialized by -c init */
306 ret
= server_init(cmd_ctx
);
310 if (init_at_startup
) {
311 ret
= command_run_line(cmd_ctx
, "init");
312 if (ERROR_OK
!= ret
) {
318 ret
= server_loop(cmd_ctx
);
320 int last_signal
= server_quit();
321 if (last_signal
!= ERROR_OK
)
329 /* normally this is the main() function entry, but if OpenOCD is linked
330 * into application, then this fn will not be invoked, but rather that
331 * application will have it's own implementation of main(). */
332 int openocd_main(int argc
, char *argv
[])
336 /* initialize commandline interface */
337 struct command_context
*cmd_ctx
;
339 cmd_ctx
= setup_command_handler(NULL
);
341 if (util_init(cmd_ctx
) != ERROR_OK
)
344 if (ioutil_init(cmd_ctx
) != ERROR_OK
)
347 if (rtt_init() != ERROR_OK
)
350 LOG_OUTPUT("For bug reports, read\n\t"
351 "http://openocd.org/doc/doxygen/bugs.html"
354 command_context_mode(cmd_ctx
, COMMAND_CONFIG
);
355 command_set_output_handler(cmd_ctx
, configuration_output_handler
, NULL
);
357 server_host_os_entry();
359 /* Start the executable meat that can evolve into thread in future. */
360 ret
= openocd_thread(argc
, argv
, cmd_ctx
);
362 flash_free_all_banks();
364 arm_tpiu_swo_cleanup_all();
367 unregister_all_commands(cmd_ctx
, NULL
);
369 /* free all DAP and CTI objects */
371 arm_cti_cleanup_all();
375 server_host_os_close();
377 /* Shutdown commandline interface */
378 command_exit(cmd_ctx
);
383 if (ERROR_FAIL
== ret
)
385 else if (ERROR_OK
!= ret
)
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