src/openocd.c

   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21 #define OPENOCD_VERSION "Open On-Chip Debugger " VERSION " (" PKGBLDDATE ") svn:" PKGBLDREV
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include "config.h"
  25 #endif
  26
  27 #include "log.h"
  28 #include "types.h"
  29 #include "jtag.h"
  30 #include "configuration.h"
  31 #include "interpreter.h"
  32 #include "xsvf.h"
  33 #include "target.h"
  34 #include "flash.h"
  35 #include "nand.h"
  36 #include "pld.h"
  37
  38 #include "command.h"
  39 #include "server.h"
  40 #include "telnet_server.h"
  41 #include "gdb_server.h"
  42
  43 #include <sys/time.h>
  44 #include <sys/types.h>
  45 #include <strings.h>
  46 #include <stdio.h>
  47 #include <stdlib.h>
  48 #include <string.h>
  49 #include <unistd.h>
  50 #include <errno.h>
  51
  52 /* Give TELNET a way to find out what version this is */
  53 int handle_version_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
  54 {
  55         command_print(cmd_ctx, OPENOCD_VERSION);
  56
  57         return ERROR_OK;
  58 }
  59
  60 static int daemon_startup = 0;
  61
  62 int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
  63 {
  64         if (argc==0)
  65                 return ERROR_OK;
  66         if (argc > 1 )
  67                 return ERROR_COMMAND_SYNTAX_ERROR;
  68
  69         daemon_startup = strcmp("reset", args[0])==0;
  70
  71         command_print(cmd_ctx, OPENOCD_VERSION);
  72
  73         return ERROR_OK;
  74 }
  75
  76
  77 void exit_handler(void)
  78 {
  79         /* close JTAG interface */
  80         if (jtag && jtag->quit)
  81                 jtag->quit();
  82 }
  83
  84
  85 /* OpenOCD can't really handle failure of this command. Patches welcome! :-) */
  86 int handle_init_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
  87 {
  88         int retval;
  89         static int initialized=0;
  90         if (initialized)
  91                 return ERROR_OK;
  92
  93         initialized=1;
  94
  95         command_set_output_handler(cmd_ctx, configuration_output_handler, NULL);
  96
  97         atexit(exit_handler);
  98
  99
 100         if (target_init(cmd_ctx) != ERROR_OK)
 101                 return ERROR_FAIL;
 102         LOG_DEBUG("target init complete");
 103
 104         if ((retval=jtag_interface_init(cmd_ctx)) != ERROR_OK)
 105         {
 106                 /* we must be able to set up the jtag interface */
 107                 return retval;
 108         }
 109         LOG_DEBUG("jtag interface init complete");
 110
 111         /* Try to initialize & examine the JTAG chain at this point, but
 112          * continue startup regardless
 113          */
 114         if (jtag_init(cmd_ctx) == ERROR_OK)
 115         {
 116                 LOG_DEBUG("jtag init complete");
 117                 if (target_examine(cmd_ctx) == ERROR_OK)
 118                 {
 119                         LOG_DEBUG("jtag examine complete");
 120                 }
 121         }
 122
 123
 124         if (flash_init_drivers(cmd_ctx) != ERROR_OK)
 125                 return ERROR_FAIL;
 126         LOG_DEBUG("flash init complete");
 127
 128         if (nand_init(cmd_ctx) != ERROR_OK)
 129                 return ERROR_FAIL;
 130         LOG_DEBUG("NAND init complete");
 131
 132         if (pld_init(cmd_ctx) != ERROR_OK)
 133                 return ERROR_FAIL;
 134         LOG_DEBUG("pld init complete");
 135
 136         /* initialize tcp server */
 137         server_init();
 138
 139         /* initialize telnet subsystem */
 140         telnet_init("Open On-Chip Debugger");
 141         gdb_init();
 142
 143         return ERROR_OK;
 144 }
 145
 146
 147 /* implementations of OpenOCD that uses multithreading needs to lock OpenOCD while calling
 148  * OpenOCD fn's. No-op in vanilla OpenOCD
 149  */
 150 void lockBigLock()
 151 {
 152 }
 153 void unlockBigLock()
 154 {
 155 }
 156
 157
 158 int main(int argc, char *argv[])
 159 {
 160         /* initialize commandline interface */
 161         command_context_t *cmd_ctx, *cfg_cmd_ctx;
 162         cmd_ctx = command_init();
 163
 164         register_command(cmd_ctx, NULL, "version", handle_version_command,
 165                                          COMMAND_EXEC, "show OpenOCD version");
 166         register_command(cmd_ctx, NULL, "daemon_startup", handle_daemon_startup_command, COMMAND_CONFIG,
 167                         "deprecated - use \"init\" and \"reset\" at end of startup script instead");
 168
 169         /* register subsystem commands */
 170         server_register_commands(cmd_ctx);
 171         telnet_register_commands(cmd_ctx);
 172         gdb_register_commands(cmd_ctx);
 173         log_register_commands(cmd_ctx);
 174         jtag_register_commands(cmd_ctx);
 175         interpreter_register_commands(cmd_ctx);
 176         xsvf_register_commands(cmd_ctx);
 177         target_register_commands(cmd_ctx);
 178         flash_register_commands(cmd_ctx);
 179         nand_register_commands(cmd_ctx);
 180         pld_register_commands(cmd_ctx);
 181
 182         if (log_init(cmd_ctx) != ERROR_OK)
 183                 return EXIT_FAILURE;
 184         LOG_DEBUG("log init complete");
 185
 186         LOG_OUTPUT( OPENOCD_VERSION "\n" );
 187
 188
 189         /* DANGER!!! make sure that the line below does not appear in a patch, do not remove */
 190         /* DANGER!!! make sure that the line below does not appear in a patch, do not remove */
 191         /* DANGER!!! make sure that the line below does not appear in a patch, do not remove */
 192         /* DANGER!!! make sure that the line below does not appear in a patch, do not remove */
 193         /* DANGER!!! make sure that the line below does not appear in a patch, do not remove */
 194         LOG_OUTPUT( "$URL$\n");
 195         /* DANGER!!! make sure that the line above does not appear in a patch, do not remove */
 196         /* DANGER!!! make sure that the line above does not appear in a patch, do not remove */
 197         /* DANGER!!! make sure that the line above does not appear in a patch, do not remove */
 198         /* DANGER!!! make sure that the line above does not appear in a patch, do not remove */
 199         /* DANGER!!! make sure that the line above does not appear in a patch, do not remove */
 200
 201         register_command(cmd_ctx, NULL, "init", handle_init_command,
 202                                          COMMAND_ANY, "initializes target and servers - nop on subsequent invocations");
 203
 204         cfg_cmd_ctx = copy_command_context(cmd_ctx);
 205         cfg_cmd_ctx->mode = COMMAND_CONFIG;
 206         command_set_output_handler(cfg_cmd_ctx, configuration_output_handler, NULL);
 207
 208         if (parse_cmdline_args(cfg_cmd_ctx, argc, argv) != ERROR_OK)
 209                 return EXIT_FAILURE;
 210
 211         if (parse_config_file(cfg_cmd_ctx) != ERROR_OK)
 212                 return EXIT_FAILURE;
 213
 214         command_done(cfg_cmd_ctx);
 215
 216         if (command_run_line(cmd_ctx, "init")!=ERROR_OK)
 217                 return EXIT_FAILURE;
 218
 219         if (daemon_startup)
 220                 command_run_line(cmd_ctx, "reset");
 221
 222         /* handle network connections */
 223         server_loop(cmd_ctx);
 224
 225         /* shut server down */
 226         server_quit();
 227
 228         unregister_all_commands(cmd_ctx);
 229
 230         /* free commandline interface */
 231         command_done(cmd_ctx);
 232
 233         return EXIT_SUCCESS;
 234 }
 235