target/xtensa: avoid IHI for writes to non-executable memory
[openocd.git] / src / openocd.c
index c694b6a8afe3d6d5cbaf56b9b25f0896723bd8a3..54c5eb34f7880b273bfb1d2ff67c1ace45e4e992 100644 (file)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
 /***************************************************************************
  *   Copyright (C) 2005 by Dominic Rath                                    *
  *   Dominic.Rath@gmx.de                                                   *
  *                                                                         *
- *   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.                          *
+ *   Copyright (C) 2007-2010 Ã˜yvind Harboe                                 *
+ *   oyvind.harboe@zylin.com                                               *
  *                                                                         *
- *   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.             *
+ *   Copyright (C) 2008 Richard Missenden                                  *
+ *   richard.missenden@googlemail.com                                      *
  ***************************************************************************/
 
-#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 "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 "openocd.h"
+#include <jtag/adapter.h>
+#include <jtag/jtag.h>
+#include <transport/transport.h>
+#include <helper/util.h>
+#include <helper/configuration.h>
+#include <flash/nor/core.h>
+#include <flash/nand/core.h>
+#include <pld/pld.h>
+#include <target/arm_cti.h>
+#include <target/arm_adi_v5.h>
+#include <target/arm_tpiu_swo.h>
+#include <rtt/rtt.h>
+
+#include <server/server.h>
+#include <server/gdb_server.h>
+#include <server/rtt_server.h>
+
+#ifdef HAVE_STRINGS_H
 #include <strings.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <errno.h>
-
-#ifdef _WIN32
-#include <malloc.h>
+#endif
+
+#ifdef PKGBLDDATE
+#define OPENOCD_VERSION        \
+       "Open On-Chip Debugger " VERSION RELSTR " (" PKGBLDDATE ")"
 #else
-#include <alloca.h>
+#define OPENOCD_VERSION        \
+       "Open On-Chip Debugger " VERSION RELSTR
 #endif
 
-#include "replacements.h"
+static const char openocd_startup_tcl[] = {
+#include "startup_tcl.inc"
+0 /* Terminate with zero */
+};
+
+/* Give scripts and TELNET a way to find out what version this is */
+COMMAND_HANDLER(handler_version_command)
+{
+       char *version_str = OPENOCD_VERSION;
 
+       if (CMD_ARGC > 1)
+               return ERROR_COMMAND_SYNTAX_ERROR;
 
-/* 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)
+       if (CMD_ARGC == 1) {
+               if (strcmp("git", CMD_ARGV[0]))
+                       return ERROR_COMMAND_ARGUMENT_INVALID;
+
+               version_str = GITVERSION;
+       }
+
+       command_print(CMD, "%s", version_str);
+
+       return ERROR_OK;
+}
+
+static int log_target_callback_event_handler(struct target *target,
+       enum target_event event,
+       void *priv)
 {
-       command_print(cmd_ctx, OPENOCD_VERSION);
+       switch (event) {
+               case TARGET_EVENT_GDB_START:
+                       target->verbose_halt_msg = false;
+                       break;
+               case TARGET_EVENT_GDB_END:
+                       target->verbose_halt_msg = true;
+                       break;
+               case TARGET_EVENT_HALTED:
+                       if (target->verbose_halt_msg) {
+                               /* do not display information when debugger caused the halt */
+                               target_arch_state(target);
+                       }
+                       break;
+               default:
+                       break;
+       }
 
        return ERROR_OK;
 }
 
+static bool init_at_startup = true;
 
-void exit_handler(void)
+COMMAND_HANDLER(handle_noinit_command)
 {
-       /* close JTAG interface */
-       if (jtag && jtag->quit)
-               jtag->quit();
+       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! :-) */
-int handle_init_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_init_command)
 {
+
+       if (CMD_ARGC != 0)
+               return ERROR_COMMAND_SYNTAX_ERROR;
+
        int retval;
-       static int initialized=0;
+       static int initialized;
        if (initialized)
                return ERROR_OK;
-       
-       initialized=1;
-       
-       atexit(exit_handler);
-       
-       if (target_init(cmd_ctx) != ERROR_OK)
+
+       initialized = 1;
+
+       bool save_poll_mask = jtag_poll_mask();
+
+       retval = command_run_line(CMD_CTX, "target init");
+       if (retval != 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 */
+       retval = adapter_init(CMD_CTX);
+       if (retval != ERROR_OK) {
+               /* we must be able to set up the debug adapter */
                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(cmd_ctx) == ERROR_OK)
-               {
-                       LOG_DEBUG("jtag examine complete");
-               }
-       }
-       
-       if (flash_init_drivers(cmd_ctx) != ERROR_OK)
+       LOG_DEBUG("Debug Adapter init complete");
+
+       /* "transport init" verifies the expected devices are present;
+        * for JTAG, it checks the list of configured TAPs against
+        * what's discoverable, possibly with help from the platform's
+        * JTAG event handlers.  (which require COMMAND_EXEC)
+        */
+       command_context_mode(CMD_CTX, COMMAND_EXEC);
+
+       retval = command_run_line(CMD_CTX, "transport init");
+       if (retval != ERROR_OK)
+               return ERROR_FAIL;
+
+       retval = command_run_line(CMD_CTX, "dap init");
+       if (retval != ERROR_OK)
+               return ERROR_FAIL;
+
+       LOG_DEBUG("Examining targets...");
+       if (target_examine() != ERROR_OK)
+               LOG_DEBUG("target examination failed");
+
+       command_context_mode(CMD_CTX, COMMAND_CONFIG);
+
+       if (command_run_line(CMD_CTX, "flash init") != ERROR_OK)
+               return ERROR_FAIL;
+
+       if (command_run_line(CMD_CTX, "nand init") != ERROR_OK)
                return ERROR_FAIL;
-       LOG_DEBUG("flash init complete");
 
-       if (nand_init(cmd_ctx) != ERROR_OK)
+       if (command_run_line(CMD_CTX, "pld init") != ERROR_OK)
                return ERROR_FAIL;
-       LOG_DEBUG("NAND init complete");
+       command_context_mode(CMD_CTX, COMMAND_EXEC);
 
-       if (pld_init(cmd_ctx) != ERROR_OK)
+       /* in COMMAND_EXEC, after target_examine(), only tpiu or only swo */
+       if (command_run_line(CMD_CTX, "tpiu init") != ERROR_OK)
                return ERROR_FAIL;
-       LOG_DEBUG("pld init complete");
 
-       /* initialize tcp server */
-       server_init();
+       jtag_poll_unmask(save_poll_mask);
 
        /* initialize telnet subsystem */
-       telnet_init("Open On-Chip Debugger");
-       gdb_init();
-       tcl_init(); /* allows tcl to just connect without going thru telnet */
+       gdb_target_add_all(all_targets);
+
+       target_register_event_callback(log_target_callback_event_handler, CMD_CTX);
+
+       if (command_run_line(CMD_CTX, "_run_post_init_commands") != ERROR_OK)
+               return ERROR_FAIL;
 
        return ERROR_OK;
 }
 
-command_context_t *global_cmd_ctx;
+COMMAND_HANDLER(handle_add_script_search_dir_command)
+{
+       if (CMD_ARGC != 1)
+               return ERROR_COMMAND_SYNTAX_ERROR;
+
+       add_script_search_dir(CMD_ARGV[0]);
+
+       return ERROR_OK;
+}
 
-command_context_t *setup_command_handler(void)
+static const struct command_registration openocd_command_handlers[] = {
+       {
+               .name = "version",
+               .handler = handler_version_command,
+               .mode = COMMAND_ANY,
+               .help = "show program version",
+               .usage = "[git]",
+       },
+       {
+               .name = "noinit",
+               .handler = &handle_noinit_command,
+               .mode = COMMAND_CONFIG,
+               .help = "Prevent 'init' from being called at startup.",
+               .usage = ""
+       },
+       {
+               .name = "init",
+               .handler = &handle_init_command,
+               .mode = COMMAND_ANY,
+               .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.",
+               .usage = ""
+       },
+       {
+               .name = "add_script_search_dir",
+               .handler = &handle_add_script_search_dir_command,
+               .mode = COMMAND_ANY,
+               .help = "dir to search for config files and scripts",
+               .usage = "<directory>"
+       },
+       COMMAND_REGISTRATION_DONE
+};
+
+static int openocd_register_commands(struct command_context *cmd_ctx)
 {
-       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");
-       
+       return register_commands(cmd_ctx, NULL, openocd_command_handlers);
+}
+
+struct command_context *global_cmd_ctx;
+
+static struct command_context *setup_command_handler(Jim_Interp *interp)
+{
+       log_init();
+       LOG_DEBUG("log_init: complete");
+
+       struct command_context *cmd_ctx = command_init(openocd_startup_tcl, interp);
+
        /* 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);
-       
-       if (log_init(cmd_ctx) != ERROR_OK)
-       {
-               exit(-1);
+       typedef int (*command_registrant_t)(struct command_context *cmd_ctx_value);
+       static const command_registrant_t command_registrants[] = {
+               &openocd_register_commands,
+               &server_register_commands,
+               &gdb_register_commands,
+               &log_register_commands,
+               &rtt_server_register_commands,
+               &transport_register_commands,
+               &adapter_register_commands,
+               &target_register_commands,
+               &flash_register_commands,
+               &nand_register_commands,
+               &pld_register_commands,
+               &cti_register_commands,
+               &dap_register_commands,
+               &arm_tpiu_swo_register_commands,
+               NULL
+       };
+       for (unsigned i = 0; command_registrants[i]; i++) {
+               int retval = (*command_registrants[i])(cmd_ctx);
+               if (retval != ERROR_OK) {
+                       command_done(cmd_ctx);
+                       return NULL;
+               }
        }
-       LOG_DEBUG("log init complete");
+       LOG_DEBUG("command registration: 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");
+       LOG_OUTPUT(OPENOCD_VERSION "\n"
+               "Licensed under GNU GPL v2\n");
+
+       global_cmd_ctx = cmd_ctx;
 
        return cmd_ctx;
 }
 
+/** OpenOCD runtime meat that can become single-thread in future. It parse
+ * commandline, reads configuration, sets up the target and starts server loop.
+ * Commandline arguments are passed into this function from openocd_main().
+ */
+static int openocd_thread(int argc, char *argv[], struct command_context *cmd_ctx)
+{
+       int ret;
+
+       if (parse_cmdline_args(cmd_ctx, argc, argv) != ERROR_OK)
+               return ERROR_FAIL;
+
+       if (server_preinit() != ERROR_OK)
+               return ERROR_FAIL;
+
+       ret = parse_config_file(cmd_ctx);
+       if (ret == ERROR_COMMAND_CLOSE_CONNECTION) {
+               server_quit(); /* gdb server may be initialized by -c init */
+               return ERROR_OK;
+       } else if (ret != ERROR_OK) {
+               server_quit(); /* gdb server may be initialized by -c init */
+               return ERROR_FAIL;
+       }
+
+       ret = server_init(cmd_ctx);
+       if (ret != ERROR_OK)
+               return ERROR_FAIL;
+
+       if (init_at_startup) {
+               ret = command_run_line(cmd_ctx, "init");
+               if (ret != ERROR_OK) {
+                       server_quit();
+                       return ERROR_FAIL;
+               }
+       }
+
+       ret = server_loop(cmd_ctx);
+
+       int last_signal = server_quit();
+       if (last_signal != ERROR_OK)
+               return last_signal;
+
+       if (ret != ERROR_OK)
+               return ERROR_FAIL;
+       return 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 */
-       command_context_t *cmd_ctx;
-
-       cmd_ctx = setup_command_handler();
-
-       /* 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 */
+       struct command_context *cmd_ctx;
 
-       command_context_mode(cmd_ctx, COMMAND_CONFIG);
-       command_set_output_handler(cmd_ctx, configuration_output_handler, NULL);
+       cmd_ctx = setup_command_handler(NULL);
 
-       if (parse_cmdline_args(cmd_ctx, argc, argv) != ERROR_OK)
-               return EXIT_FAILURE;
-       
-       if (parse_config_file(cmd_ctx) != ERROR_OK)
+       if (util_init(cmd_ctx) != ERROR_OK)
                return EXIT_FAILURE;
 
-       command_context_mode(cmd_ctx, COMMAND_EXEC);
-       if (command_run_line(cmd_ctx, "init")!=ERROR_OK)
+       if (rtt_init() != ERROR_OK)
                return EXIT_FAILURE;
-       
-       /* handle network connections */
-       server_loop(cmd_ctx);
 
-       /* shut server down */
-       server_quit();
+       LOG_OUTPUT("For bug reports, read\n\t"
+               "http://openocd.org/doc/doxygen/bugs.html"
+               "\n");
+
+       command_context_mode(cmd_ctx, COMMAND_CONFIG);
+       command_set_output_handler(cmd_ctx, configuration_output_handler, NULL);
+
+       server_host_os_entry();
+
+       /* Start the executable meat that can evolve into thread in future. */
+       ret = openocd_thread(argc, argv, cmd_ctx);
+
+       flash_free_all_banks();
+       gdb_service_free();
+       arm_tpiu_swo_cleanup_all();
+       server_free();
+
+       unregister_all_commands(cmd_ctx, NULL);
+       help_del_all_commands(cmd_ctx);
+
+       /* free all DAP and CTI objects */
+       arm_cti_cleanup_all();
+       dap_cleanup_all();
 
-       unregister_all_commands(cmd_ctx);
-       
-       /* free commandline interface */
-       command_done(cmd_ctx);
+       adapter_quit();
+
+       server_host_os_close();
+
+       /* Shutdown commandline interface */
+       command_exit(cmd_ctx);
+
+       rtt_exit();
+       free_config();
+
+       log_exit();
+
+       if (ret == ERROR_FAIL)
+               return EXIT_FAILURE;
+       else if (ret != ERROR_OK)
+               exit_on_signal(ret);
 
-       return EXIT_SUCCESS;
+       return ret;
 }

Linking to existing account procedure

If you already have an account and want to add another login method you MUST first sign in with your existing account and then change URL to read https://review.openocd.org/login/?link to get to this page again but this time it'll work for linking. Thank you.

SSH host keys fingerprints

1024 SHA256:YKx8b7u5ZWdcbp7/4AeXNaqElP49m6QrwfXaqQGJAOk gerrit-code-review@openocd.zylin.com (DSA)
384 SHA256:jHIbSQa4REvwCFG4cq5LBlBLxmxSqelQPem/EXIrxjk gerrit-code-review@openocd.org (ECDSA)
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+--[ED25519 256]--+
|=..              |
|+o..   .         |
|*.o   . .        |
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|Bo. = o S        |
|Oo.+ + =         |
|oB=.* = . o      |
| =+=.+   + E     |
|. .=o   . o      |
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