X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fopenocd.c;h=3c7816eabb4c12a0edb0b4cd517de5ce1a333fd1;hp=ac8e2fea0d1122628544fe3426658555d7f399ba;hb=1de0b9d351313f186433f4d71d31241c95665cbf;hpb=53d1f9b2ca5718e4996e9cf3406f857d0ed26df2 diff --git a/src/openocd.c b/src/openocd.c index ac8e2fea0d..ff35f8782e 100644 --- a/src/openocd.c +++ b/src/openocd.c @@ -2,6 +2,12 @@ * Copyright (C) 2005 by Dominic Rath * * Dominic.Rath@gmx.de * * * + * Copyright (C) 2007,2008 Øyvind 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 * @@ -18,122 +24,279 @@ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * ***************************************************************************/ -#define OPENOCD_VERSION "Open On-Chip Debugger (2007-06-14 12:00 CEST)" - #ifdef HAVE_CONFIG_H #include "config.h" #endif -#include "log.h" -#include "types.h" +#include "openocd.h" #include "jtag.h" #include "configuration.h" -#include "interpreter.h" #include "xsvf.h" -#include "target.h" -#include "flash.h" +#include "svf.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 "httpd.h" -#include -#include +#ifdef HAVE_STRINGS_H #include -#include -#include -#include -#include -#include +#endif + + +#define OPENOCD_VERSION \ + "Open On-Chip Debugger " VERSION RELSTR " (" PKGBLDDATE ")" /* 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_HANDLER(handle_version_command) { - command_print(cmd_ctx, OPENOCD_VERSION); + if (CMD_ARGC != 0) + return ERROR_COMMAND_SYNTAX_ERROR; + + command_print(CMD_CTX, OPENOCD_VERSION); return ERROR_OK; } -int main(int argc, char *argv[]) + +static int log_target_callback_event_handler(struct target *target, enum target_event event, void *priv) { - /* initialize commandline interface */ - command_context_t *cmd_ctx, *cfg_cmd_ctx; - cmd_ctx = command_init(); + 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; +} + +int ioutil_init(struct command_context *cmd_ctx); + +static bool init_at_startup = true; + +COMMAND_HANDLER(handle_noinit_command) +{ + if (CMD_ARGC != 0) + return ERROR_COMMAND_SYNTAX_ERROR; + init_at_startup = false; + return ERROR_OK; +} + +/* OpenOCD can't really handle failure of this command. Patches welcome! :-) */ +COMMAND_HANDLER(handle_init_command) +{ + + if (CMD_ARGC != 0) + return ERROR_COMMAND_SYNTAX_ERROR; + + int retval; + static int initialized = 0; + if (initialized) + return ERROR_OK; + + initialized = 1; + + command_context_mode(CMD_CTX, COMMAND_EXEC); + + 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"); + + command_context_mode(CMD_CTX, COMMAND_CONFIG); + if (command_run_line(CMD_CTX, "mflash init") != ERROR_OK) + return ERROR_FAIL; + + if (command_run_line(CMD_CTX, "nand init") != ERROR_OK) + return ERROR_FAIL; + + if (command_run_line(CMD_CTX, "pld init") != ERROR_OK) + return ERROR_FAIL; + command_context_mode(CMD_CTX, COMMAND_EXEC); + + /* initialize telnet subsystem */ + gdb_target_add_all(all_targets); + + target_register_event_callback(log_target_callback_event_handler, CMD_CTX); + + return ERROR_OK; +} + +static const struct command_registration openocd_command_handlers[] = { + { + .name = "version", + .handler = &handle_version_command, + .mode = COMMAND_ANY, + .help = "show program version", + }, + { + .name = "noinit", + .handler = &handle_noinit_command, + .mode = COMMAND_CONFIG, + .help = "Prevent 'init' from being called at startup.", + }, + { + .name = "init", + .handler = &handle_init_command, + .mode = COMMAND_CONFIG, + .help = "Initializes configured targets and servers. " + "Changes command mode from CONFIG to EXEC. " + "Unless 'noinit' is called, this command is " + "called automatically at the end of startup.", + + }, + COMMAND_REGISTRATION_DONE +}; - register_command(cmd_ctx, NULL, "version", handle_version_command, - COMMAND_EXEC, "show OpenOCD version"); - +struct command_context *global_cmd_ctx; + +/* NB! this fn can be invoked outside this file for non PC hosted builds */ +struct command_context *setup_command_handler(Jim_Interp *interp) +{ + log_init(); + LOG_DEBUG("log_init: complete"); + + struct command_context *cmd_ctx; + + global_cmd_ctx = cmd_ctx = command_init(openocd_startup_tcl, interp); + + register_commands(cmd_ctx, NULL, openocd_command_handlers); /* register subsystem commands */ server_register_commands(cmd_ctx); - telnet_register_commands(cmd_ctx); gdb_register_commands(cmd_ctx); log_register_commands(cmd_ctx); jtag_register_commands(cmd_ctx); - interpreter_register_commands(cmd_ctx); xsvf_register_commands(cmd_ctx); + svf_register_commands(cmd_ctx); target_register_commands(cmd_ctx); flash_register_commands(cmd_ctx); nand_register_commands(cmd_ctx); pld_register_commands(cmd_ctx); - - if (log_init(cmd_ctx) != ERROR_OK) - return EXIT_FAILURE; - DEBUG("log init complete"); - - INFO( OPENOCD_VERSION ); - - cfg_cmd_ctx = copy_command_context(cmd_ctx); - cfg_cmd_ctx->mode = COMMAND_CONFIG; - command_set_output_handler(cfg_cmd_ctx, configuration_output_handler, NULL); - - if (parse_cmdline_args(cfg_cmd_ctx, argc, argv) != ERROR_OK) - return EXIT_FAILURE; + mflash_register_commands(cmd_ctx); - if (parse_config_file(cfg_cmd_ctx) != ERROR_OK) - return EXIT_FAILURE; - - command_done(cfg_cmd_ctx); + LOG_DEBUG("command registration: complete"); + + LOG_OUTPUT(OPENOCD_VERSION "\n"); + + return cmd_ctx; +} + +#if !BUILD_HTTPD && !BUILD_ECOSBOARD +/* implementations of OpenOCD that uses multithreading needs to know when + * OpenOCD is sleeping. No-op in vanilla OpenOCD + */ +void openocd_sleep_prelude(void) +{ +} + +void openocd_sleep_postlude(void) +{ +} +#endif - command_set_output_handler(cmd_ctx, configuration_output_handler, NULL); - if (jtag_init(cmd_ctx) != ERROR_OK) +/* 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 */ + struct command_context *cmd_ctx; + + cmd_ctx = setup_command_handler(NULL); + +#if BUILD_IOUTIL + if (ioutil_init(cmd_ctx) != ERROR_OK) + { return EXIT_FAILURE; - DEBUG("jtag init complete"); + } +#endif + + LOG_OUTPUT("For bug reports, read\n\t" + "http://openocd.berlios.de/doc/doxygen/bugs.html" + "\n"); + + + command_context_mode(cmd_ctx, COMMAND_CONFIG); + command_set_output_handler(cmd_ctx, configuration_output_handler, NULL); - if (target_init(cmd_ctx) != ERROR_OK) + if (parse_cmdline_args(cmd_ctx, argc, argv) != ERROR_OK) return EXIT_FAILURE; - DEBUG("target init complete"); - if (flash_init(cmd_ctx) != ERROR_OK) + ret = parse_config_file(cmd_ctx); + if (ret != ERROR_OK) return EXIT_FAILURE; - DEBUG("flash init complete"); - if (nand_init(cmd_ctx) != ERROR_OK) +#if BUILD_HTTPD + if (httpd_start(cmd_ctx) != ERROR_OK) return EXIT_FAILURE; - DEBUG("NAND init complete"); +#endif - if (pld_init(cmd_ctx) != ERROR_OK) + ret = server_init(cmd_ctx); + if (ERROR_OK != ret) return EXIT_FAILURE; - DEBUG("pld init complete"); - /* initialize tcp server */ - server_init(); - - /* initialize telnet subsystem */ - telnet_init("Open On-Chip Debugger"); - gdb_init(); + if (init_at_startup) + { + ret = command_run_line(cmd_ctx, "init"); + if (ERROR_OK != ret) + ret = EXIT_FAILURE; + } /* handle network connections */ - server_loop(cmd_ctx); - - /* shut server down */ + if (ERROR_OK == ret) + server_loop(cmd_ctx); + server_quit(); - + +#if BUILD_HTTPD + httpd_stop(); +#endif + + unregister_all_commands(cmd_ctx, NULL); + /* free commandline interface */ command_done(cmd_ctx); - - return EXIT_SUCCESS; + + jtag_interface_quit(); + + return ret; }