openocd.c 7.96 KB
Newer Older
1
2
3
4
/***************************************************************************
 *   Copyright (C) 2005 by Dominic Rath                                    *
 *   Dominic.Rath@gmx.de                                                   *
 *                                                                         *
5
6
7
 *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
 *   oyvind.harboe@zylin.com                                               *
 *                                                                         *
8
9
10
 *   Copyright (C) 2008 Richard Missenden                                  *
 *   richard.missenden@googlemail.com                                      *
 *                                                                         *
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#define OPENOCD_VERSION "Open On-Chip Debugger " VERSION " (" PKGBLDDATE ") svn:" PKGBLDREV

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "log.h"
#include "types.h"
#include "jtag.h"
#include "configuration.h"
#include "xsvf.h"
#include "target.h"
#include "flash.h"
#include "nand.h"
#include "pld.h"
42
#include "mflash.h"
43
44
45
46
47

#include "command.h"
#include "server.h"
#include "telnet_server.h"
#include "gdb_server.h"
oharboe's avatar
oharboe committed
48
#include "tcl_server.h"
49
50
51
52
53
54
55
56
57
58

#include <sys/time.h>
#include <sys/types.h>
#include <strings.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>

ntfreak's avatar
ntfreak committed
59
60
61
62
63
64
65
#ifdef _WIN32
#include <malloc.h>
#else
#include <alloca.h>
#endif

#include "replacements.h"
oharboe's avatar
oharboe committed
66

ntfreak's avatar
ntfreak committed
67
void print_version(void)
68
69
70
71
72
73
{
	/* DANGER!!! make sure that the line below does not appear in a patch, do not remove */
	/* DANGER!!! make sure that the line below does not appear in a patch, do not remove */
	/* DANGER!!! make sure that the line below does not appear in a patch, do not remove */
	/* DANGER!!! make sure that the line below does not appear in a patch, do not remove */
	/* DANGER!!! make sure that the line below does not appear in a patch, do not remove */
74
	LOG_OUTPUT("$URL$\n");
75
76
77
78
79
80
81
	/* DANGER!!! make sure that the line above does not appear in a patch, do not remove */
	/* DANGER!!! make sure that the line above does not appear in a patch, do not remove */
	/* DANGER!!! make sure that the line above does not appear in a patch, do not remove */
	/* DANGER!!! make sure that the line above does not appear in a patch, do not remove */
	/* DANGER!!! make sure that the line above does not appear in a patch, do not remove */
}

82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
/* Give TELNET a way to find out what version this is */
int handle_version_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
	command_print(cmd_ctx, OPENOCD_VERSION);

	return ERROR_OK;
}

void exit_handler(void)
{
	/* close JTAG interface */
	if (jtag && jtag->quit)
		jtag->quit();
}

97
98
99
100
static int log_target_callback_event_handler(struct target_s *target, enum target_event event, void *priv)
{
	switch (event)
	{
101
102
103
104
105
106
		case TARGET_EVENT_GDB_START:
			target->display=0;
			break;
		case TARGET_EVENT_GDB_END:
			target->display=1;
			break;
107
		case TARGET_EVENT_HALTED:
108
109
110
111
112
			if (target->display)
			{
				/* do not display information when debugger caused the halt */
				target_arch_state(target);
			}
113
114
115
116
117
118
119
120
			break;
		default:
			break;
	}

	return ERROR_OK;
}

121
122
123
/* OpenOCD can't really handle failure of this command. Patches welcome! :-) */
int handle_init_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
124
	int retval;
125
126
127
	static int initialized=0;
	if (initialized)
		return ERROR_OK;
128

129
	initialized=1;
130

131
	atexit(exit_handler);
132

133
134
135
136
	if (target_init(cmd_ctx) != ERROR_OK)
		return ERROR_FAIL;
	LOG_DEBUG("target init complete");

137
138
139
140
141
142
143
144
	if ((retval=jtag_interface_init(cmd_ctx)) != ERROR_OK)
	{
		/* we must be able to set up the jtag interface */
		return retval;
	}
	LOG_DEBUG("jtag interface init complete");

	/* Try to initialize & examine the JTAG chain at this point, but
145
	 * continue startup regardless */
146
147
148
	if (jtag_init(cmd_ctx) == ERROR_OK)
	{
		LOG_DEBUG("jtag init complete");
ntfreak's avatar
ntfreak committed
149
		if (target_examine() == ERROR_OK)
150
151
152
153
		{
			LOG_DEBUG("jtag examine complete");
		}
	}
154

155
156
157
158
	if (flash_init_drivers(cmd_ctx) != ERROR_OK)
		return ERROR_FAIL;
	LOG_DEBUG("flash init complete");

159
160
161
162
	if (mflash_init_drivers(cmd_ctx) != ERROR_OK)
		return ERROR_FAIL;
	LOG_DEBUG("mflash init complete");

163
164
165
166
167
168
169
170
171
172
173
174
175
176
	if (nand_init(cmd_ctx) != ERROR_OK)
		return ERROR_FAIL;
	LOG_DEBUG("NAND init complete");

	if (pld_init(cmd_ctx) != ERROR_OK)
		return ERROR_FAIL;
	LOG_DEBUG("pld init complete");

	/* initialize tcp server */
	server_init();

	/* initialize telnet subsystem */
	telnet_init("Open On-Chip Debugger");
	gdb_init();
177
	tcl_init(); /* allows tcl to just connect without going thru telnet */
178

179
	target_register_event_callback(log_target_callback_event_handler, cmd_ctx);
180

181
182
183
	return ERROR_OK;
}

184
185
command_context_t *global_cmd_ctx;

186
command_context_t *setup_command_handler(void)
oharboe's avatar
oharboe committed
187
188
{
	command_context_t *cmd_ctx;
189

190
	global_cmd_ctx = cmd_ctx = command_init();
191

192
193
	register_command(cmd_ctx, NULL, "version", handle_version_command,
					 COMMAND_EXEC, "show OpenOCD version");
194

195
196
197
198
	/* register subsystem commands */
	server_register_commands(cmd_ctx);
	telnet_register_commands(cmd_ctx);
	gdb_register_commands(cmd_ctx);
199
	tcl_register_commands(cmd_ctx); /* tcl server commands */
200
201
202
203
204
205
206
	log_register_commands(cmd_ctx);
	jtag_register_commands(cmd_ctx);
	xsvf_register_commands(cmd_ctx);
	target_register_commands(cmd_ctx);
	flash_register_commands(cmd_ctx);
	nand_register_commands(cmd_ctx);
	pld_register_commands(cmd_ctx);
207
208
	mflash_register_commands(cmd_ctx);

209
	if (log_init(cmd_ctx) != ERROR_OK)
oharboe's avatar
oharboe committed
210
211
212
	{
		exit(-1);
	}
213
	LOG_DEBUG("log init complete");
oharboe's avatar
oharboe committed
214

215
	LOG_OUTPUT( OPENOCD_VERSION "\n" );
216

217
218
219
	register_command(cmd_ctx, NULL, "init", handle_init_command,
					 COMMAND_ANY, "initializes target and servers - nop on subsequent invocations");

oharboe's avatar
oharboe committed
220
221
222
	return cmd_ctx;
}

223
224
225
/* normally this is the main() function entry, but if OpenOCD is linked
 * into application, then this fn will not be invoked, but rather that
 * application will have it's own implementation of main(). */
oharboe's avatar
oharboe committed
226
227
int openocd_main(int argc, char *argv[])
{
228
229
	int ret;

oharboe's avatar
oharboe committed
230
231
	/* initialize commandline interface */
	command_context_t *cmd_ctx;
232
233

	cmd_ctx = setup_command_handler();
234

235
	LOG_OUTPUT("\n\nBUGS? Read http://svn.berlios.de/svnroot/repos/openocd/trunk/BUGS\n\n\n");
236

237
	print_version();
238

239
240
	command_context_mode(cmd_ctx, COMMAND_CONFIG);
	command_set_output_handler(cmd_ctx, configuration_output_handler, NULL);
241

242
	if (parse_cmdline_args(cmd_ctx, argc, argv) != ERROR_OK)
243
		return EXIT_FAILURE;
244

245
246
	ret = parse_config_file(cmd_ctx);
	if ( (ret != ERROR_OK) && (ret != ERROR_COMMAND_CLOSE_CONNECTION) )
247
248
		return EXIT_FAILURE;

249
	if (ret != ERROR_COMMAND_CLOSE_CONNECTION)
250
251
252
253
	{
		command_context_mode(cmd_ctx, COMMAND_EXEC);
		if (command_run_line(cmd_ctx, "init")!=ERROR_OK)
			return EXIT_FAILURE;
254

255
256
257
		/* handle network connections */
		server_loop(cmd_ctx);
	}
258
259
260
261

	/* shut server down */
	server_quit();

262
	unregister_all_commands(cmd_ctx);
263

264
265
266
267
268
	/* free commandline interface */
	command_done(cmd_ctx);

	return EXIT_SUCCESS;
}