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         static int initialized=0;
  89         if (initialized)
  90                 return ERROR_OK;
  91
  92         initialized=1;
  93
  94         command_set_output_handler(cmd_ctx, configuration_output_handler, NULL);
  95
  96         atexit(exit_handler);
  97
  98         /* FIX!!! this should happen *after* target_init(), but
  99          * for now there are target initialisations that talk
 100          * to JTAG whereas that *should* happen during target_examine()
 101          */
 102         if (jtag_init(cmd_ctx) != ERROR_OK)
 103                 return ERROR_FAIL;
 104         LOG_DEBUG("jtag init complete");
 105
 106         if (target_init(cmd_ctx) != ERROR_OK)
 107                 return ERROR_FAIL;
 108         LOG_DEBUG("target init complete");
 109
 110         if (target_examine(cmd_ctx) != ERROR_OK)
 111                 return ERROR_FAIL;
 112         LOG_DEBUG("target examine complete");
 113
 114         if (flash_init_drivers(cmd_ctx) != ERROR_OK)
 115                 return ERROR_FAIL;
 116         LOG_DEBUG("flash init complete");
 117
 118         if (nand_init(cmd_ctx) != ERROR_OK)
 119                 return ERROR_FAIL;
 120         LOG_DEBUG("NAND init complete");
 121
 122         if (pld_init(cmd_ctx) != ERROR_OK)
 123                 return ERROR_FAIL;
 124         LOG_DEBUG("pld init complete");
 125
 126         /* initialize tcp server */
 127         server_init();
 128
 129         /* initialize telnet subsystem */
 130         telnet_init("Open On-Chip Debugger");
 131         gdb_init();
 132
 133         return ERROR_OK;
 134 }
 135
 136
 137 /* implementations of OpenOCD that uses multithreading needs to lock OpenOCD while calling
 138  * OpenOCD fn's. No-op in vanilla OpenOCD
 139  */
 140 void lockBigLock()
 141 {
 142 }
 143 void unlockBigLock()
 144 {
 145 }
 146
 147
 148 int main(int argc, char *argv[])
 149 {
 150         /* initialize commandline interface */
 151         command_context_t *cmd_ctx, *cfg_cmd_ctx;
 152         cmd_ctx = command_init();
 153
 154         register_command(cmd_ctx, NULL, "version", handle_version_command,
 155                                          COMMAND_EXEC, "show OpenOCD version");
 156         register_command(cmd_ctx, NULL, "daemon_startup", handle_daemon_startup_command, COMMAND_CONFIG,
 157                         "deprecated - use \"init\" and \"reset\" at end of startup script instead");
 158
 159         /* register subsystem commands */
 160         server_register_commands(cmd_ctx);
 161         telnet_register_commands(cmd_ctx);
 162         gdb_register_commands(cmd_ctx);
 163         log_register_commands(cmd_ctx);
 164         jtag_register_commands(cmd_ctx);
 165         interpreter_register_commands(cmd_ctx);
 166         xsvf_register_commands(cmd_ctx);
 167         target_register_commands(cmd_ctx);
 168         flash_register_commands(cmd_ctx);
 169         nand_register_commands(cmd_ctx);
 170         pld_register_commands(cmd_ctx);
 171
 172         if (log_init(cmd_ctx) != ERROR_OK)
 173                 return EXIT_FAILURE;
 174         LOG_DEBUG("log init complete");
 175
 176         LOG_OUTPUT( OPENOCD_VERSION "\n" );
 177
 178
 179         /* DANGER!!! make sure that the line below does not appear in a patch, do not remove */
 180         /* DANGER!!! make sure that the line below does not appear in a patch, do not remove */
 181         /* DANGER!!! make sure that the line below does not appear in a patch, do not remove */
 182         /* DANGER!!! make sure that the line below does not appear in a patch, do not remove */
 183         /* DANGER!!! make sure that the line below does not appear in a patch, do not remove */
 184         LOG_OUTPUT( "$URL$\n");
 185         /* DANGER!!! make sure that the line above does not appear in a patch, do not remove */
 186         /* DANGER!!! make sure that the line above does not appear in a patch, do not remove */
 187         /* DANGER!!! make sure that the line above does not appear in a patch, do not remove */
 188         /* DANGER!!! make sure that the line above does not appear in a patch, do not remove */
 189         /* DANGER!!! make sure that the line above does not appear in a patch, do not remove */
 190
 191         register_command(cmd_ctx, NULL, "init", handle_init_command,
 192                                          COMMAND_ANY, "initializes target and servers - nop on subsequent invocations");
 193
 194         cfg_cmd_ctx = copy_command_context(cmd_ctx);
 195         cfg_cmd_ctx->mode = COMMAND_CONFIG;
 196         command_set_output_handler(cfg_cmd_ctx, configuration_output_handler, NULL);
 197
 198         if (parse_cmdline_args(cfg_cmd_ctx, argc, argv) != ERROR_OK)
 199                 return EXIT_FAILURE;
 200
 201         if (parse_config_file(cfg_cmd_ctx) != ERROR_OK)
 202                 return EXIT_FAILURE;
 203
 204         command_done(cfg_cmd_ctx);
 205
 206         if (command_run_line(cmd_ctx, "init")!=ERROR_OK)
 207                 return EXIT_FAILURE;
 208
 209         if (daemon_startup)
 210                 command_run_line(cmd_ctx, "reset");
 211
 212         /* handle network connections */
 213         server_loop(cmd_ctx);
 214
 215         /* shut server down */
 216         server_quit();
 217
 218         /* free commandline interface */
 219         command_done(cmd_ctx);
 220
 221         return EXIT_SUCCESS;
 222 }
 223