jtag newtap change & huge manual update
[openocd.git] / src / openocd.c
index c2f877648f2acdf2ebf880ab62d54000a15c2bcd..51e40537781e5e35b9d012519b0f6570c7903b51 100644 (file)
-/***************************************************************************\r
- *   Copyright (C) 2005 by Dominic Rath                                    *\r
- *   Dominic.Rath@gmx.de                                                   *\r
- *                                                                         *\r
- *   This program is free software; you can redistribute it and/or modify  *\r
- *   it under the terms of the GNU General Public License as published by  *\r
- *   the Free Software Foundation; either version 2 of the License, or     *\r
- *   (at your option) any later version.                                   *\r
- *                                                                         *\r
- *   This program is distributed in the hope that it will be useful,       *\r
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *\r
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *\r
- *   GNU General Public License for more details.                          *\r
- *                                                                         *\r
- *   You should have received a copy of the GNU General Public License     *\r
- *   along with this program; if not, write to the                         *\r
- *   Free Software Foundation, Inc.,                                       *\r
- *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *\r
- ***************************************************************************/\r
-\r
-#define OPENOCD_VERSION "Open On-Chip Debugger " VERSION " (" PKGBLDDATE ") svn:" PKGBLDREV\r
-\r
-#ifdef HAVE_CONFIG_H\r
-#include "config.h"\r
-#endif\r
-\r
-#include "log.h"\r
-#include "types.h"\r
-#include "jtag.h"\r
-#include "configuration.h"\r
-#include "interpreter.h"\r
-#include "xsvf.h"\r
-#include "target.h"\r
-#include "flash.h"\r
-#include "nand.h"\r
-#include "pld.h"\r
-\r
-#include "command.h"\r
-#include "server.h"\r
-#include "telnet_server.h"\r
-#include "gdb_server.h"\r
-\r
-#include <sys/time.h>\r
-#include <sys/types.h>\r
-#include <strings.h>\r
-#include <stdio.h>\r
-#include <stdlib.h>\r
-#include <string.h>\r
-#include <unistd.h>\r
-#include <errno.h>\r
-\r
-/* Give TELNET a way to find out what version this is */\r
-int handle_version_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
-{\r
-       command_print(cmd_ctx, OPENOCD_VERSION);\r
-\r
-       return ERROR_OK;\r
-}\r
-\r
-void exit_handler(void)\r
-{\r
-       /* close JTAG interface */\r
-       if (jtag && jtag->quit)\r
-               jtag->quit();\r
-}\r
-\r
-int main(int argc, char *argv[])\r
-{\r
-       /* initialize commandline interface */\r
-       command_context_t *cmd_ctx, *cfg_cmd_ctx;\r
-       cmd_ctx = command_init();\r
-\r
-       register_command(cmd_ctx, NULL, "version", handle_version_command,\r
-                                        COMMAND_EXEC, "show OpenOCD version");\r
-\r
-       /* register subsystem commands */\r
-       server_register_commands(cmd_ctx);\r
-       telnet_register_commands(cmd_ctx);\r
-       gdb_register_commands(cmd_ctx);\r
-       log_register_commands(cmd_ctx);\r
-       jtag_register_commands(cmd_ctx);\r
-       interpreter_register_commands(cmd_ctx);\r
-       xsvf_register_commands(cmd_ctx);\r
-       target_register_commands(cmd_ctx);\r
-       flash_register_commands(cmd_ctx);\r
-       nand_register_commands(cmd_ctx);\r
-       pld_register_commands(cmd_ctx);\r
-       \r
-       if (log_init(cmd_ctx) != ERROR_OK)\r
-               return EXIT_FAILURE;\r
-       DEBUG("log init complete");\r
-       \r
-       printf( OPENOCD_VERSION );\r
-       printf( "\n$URL$\n");\r
-  \r
-       DEBUG( OPENOCD_VERSION );\r
-       DEBUG( "$URL$");\r
-\r
-       cfg_cmd_ctx = copy_command_context(cmd_ctx);\r
-       cfg_cmd_ctx->mode = COMMAND_CONFIG;\r
-       command_set_output_handler(cfg_cmd_ctx, configuration_output_handler, NULL);\r
-       \r
-       if (parse_cmdline_args(cfg_cmd_ctx, argc, argv) != ERROR_OK)\r
-               return EXIT_FAILURE;\r
-\r
-       if (parse_config_file(cfg_cmd_ctx) != ERROR_OK)\r
-               return EXIT_FAILURE;\r
-       \r
-       command_done(cfg_cmd_ctx);\r
-\r
-       command_set_output_handler(cmd_ctx, configuration_output_handler, NULL);\r
-\r
-       atexit(exit_handler);\r
-\r
-       if (jtag_init(cmd_ctx) != ERROR_OK)\r
-               return EXIT_FAILURE;\r
-       DEBUG("jtag init complete");\r
-\r
-       if (target_init(cmd_ctx) != ERROR_OK)\r
-               return EXIT_FAILURE;\r
-       DEBUG("target init complete");\r
-\r
-       if (flash_init_drivers(cmd_ctx) != ERROR_OK)\r
-               return EXIT_FAILURE;\r
-       DEBUG("flash init complete");\r
-\r
-       if (nand_init(cmd_ctx) != ERROR_OK)\r
-               return EXIT_FAILURE;\r
-       DEBUG("NAND init complete");\r
-\r
-       if (pld_init(cmd_ctx) != ERROR_OK)\r
-               return EXIT_FAILURE;\r
-       DEBUG("pld init complete");\r
-\r
-       /* initialize tcp server */\r
-       server_init();\r
-\r
-       /* initialize telnet subsystem */\r
-       telnet_init("Open On-Chip Debugger");\r
-       gdb_init();\r
-\r
-       /* call any target resets */\r
-       if (target_init_reset(cmd_ctx) != ERROR_OK)\r
-               return EXIT_FAILURE;\r
-       DEBUG("target init reset complete");\r
-\r
-       /* handle network connections */\r
-       server_loop(cmd_ctx);\r
-\r
-       /* shut server down */\r
-       server_quit();\r
-\r
-       /* free commandline interface */\r
-       command_done(cmd_ctx);\r
-\r
-       return EXIT_SUCCESS;\r
-}\r
+/***************************************************************************
+ *   Copyright (C) 2005 by Dominic Rath                                    *
+ *   Dominic.Rath@gmx.de                                                   *
+ *                                                                         *
+ *   Copyright (C) 2007,2008 Ã˜yvind Harboe                                 *
+ *   oyvind.harboe@zylin.com                                               *
+ *                                                                         *
+ *   Copyright (C) 2008 Richard Missenden                                  *
+ *   richard.missenden@googlemail.com                                      *
+ *                                                                         *
+ *   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"
+#include "mflash.h"
+
+#include "command.h"
+#include "server.h"
+#include "telnet_server.h"
+#include "gdb_server.h"
+#include "tcl_server.h"
+
+#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>
+
+#ifdef _WIN32
+#include <malloc.h>
+#else
+#include <alloca.h>
+#endif
+
+#include "replacements.h"
+
+void print_version(void)
+{
+       /* 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 */
+       LOG_OUTPUT( "$URL$\n");
+       /* 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 */
+}
+
+
+
+
+
+
+
+
+
+/* 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();
+}
+
+static int log_target_callback_event_handler(struct target_s *target, enum target_event event, void *priv)
+{
+       switch (event)
+       {
+               case TARGET_EVENT_GDB_START:
+                       target->display=0;
+                       break;
+               case TARGET_EVENT_GDB_END:
+                       target->display=1;
+                       break;
+               case TARGET_EVENT_HALTED:
+                       if (target->display)
+                       {
+                               /* do not display information when debugger caused the halt */
+                               target_arch_state(target);
+                       }
+                       break;
+               default:
+                       break;
+       }
+
+       return ERROR_OK;
+}
+
+/* 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)
+{
+       int retval;
+       static int initialized=0;
+       if (initialized)
+               return ERROR_OK;
+
+       initialized=1;
+
+       atexit(exit_handler);
+
+       if (target_init(cmd_ctx) != ERROR_OK)
+               return ERROR_FAIL;
+       LOG_DEBUG("target init complete");
+
+       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
+        * continue startup regardless */
+       if (jtag_init(cmd_ctx) == ERROR_OK)
+       {
+               LOG_DEBUG("jtag init complete");
+               if (target_examine() == ERROR_OK)
+               {
+                       LOG_DEBUG("jtag examine complete");
+               }
+       }
+
+       if (flash_init_drivers(cmd_ctx) != ERROR_OK)
+               return ERROR_FAIL;
+       LOG_DEBUG("flash init complete");
+
+       if (mflash_init_drivers(cmd_ctx) != ERROR_OK)
+               return ERROR_FAIL;
+       LOG_DEBUG("mflash init complete");
+
+       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();
+       tcl_init(); /* allows tcl to just connect without going thru telnet */
+
+       target_register_event_callback(log_target_callback_event_handler, cmd_ctx);
+
+       return ERROR_OK;
+}
+
+command_context_t *global_cmd_ctx;
+
+command_context_t *setup_command_handler(void)
+{
+       command_context_t *cmd_ctx;
+
+       global_cmd_ctx = cmd_ctx = command_init();
+
+       register_command(cmd_ctx, NULL, "version", handle_version_command,
+                                        COMMAND_EXEC, "show OpenOCD version");
+
+       /* register subsystem commands */
+       server_register_commands(cmd_ctx);
+       telnet_register_commands(cmd_ctx);
+       gdb_register_commands(cmd_ctx);
+       tcl_register_commands(cmd_ctx); /* tcl server commands */
+       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);
+       mflash_register_commands(cmd_ctx);
+
+       if (log_init(cmd_ctx) != ERROR_OK)
+       {
+               exit(-1);
+       }
+       LOG_DEBUG("log init complete");
+
+       LOG_OUTPUT( OPENOCD_VERSION "\n" );
+
+       register_command(cmd_ctx, NULL, "init", handle_init_command,
+                                        COMMAND_ANY, "initializes target and servers - nop on subsequent invocations");
+
+       return cmd_ctx;
+}
+
+/* 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(). */
+int openocd_main(int argc, char *argv[])
+{
+       int ret;
+
+       /* initialize commandline interface */
+       command_context_t *cmd_ctx;
+
+       cmd_ctx = setup_command_handler();
+
+       LOG_OUTPUT( "\n\nBUGS? Read http://svn.berlios.de/svnroot/repos/openocd/trunk/BUGS\n\n\n");
+
+       print_version();
+
+       command_context_mode(cmd_ctx, COMMAND_CONFIG);
+       command_set_output_handler(cmd_ctx, configuration_output_handler, NULL);
+
+       if (parse_cmdline_args(cmd_ctx, argc, argv) != ERROR_OK)
+               return EXIT_FAILURE;
+
+       ret = parse_config_file(cmd_ctx);
+       if ( (ret != ERROR_OK) && (ret != ERROR_COMMAND_CLOSE_CONNECTION) )
+               return EXIT_FAILURE;
+
+       if (ret != ERROR_COMMAND_CLOSE_CONNECTION)
+       {
+               command_context_mode(cmd_ctx, COMMAND_EXEC);
+               if (command_run_line(cmd_ctx, "init")!=ERROR_OK)
+                       return EXIT_FAILURE;
+
+               /* handle network connections */
+               server_loop(cmd_ctx);
+       }
+
+       /* shut server down */
+       server_quit();
+
+       unregister_all_commands(cmd_ctx);
+
+       /* free commandline interface */
+       command_done(cmd_ctx);
+
+       return EXIT_SUCCESS;
+}

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