config: add init_targets proc that is executed just before init
[fw/openocd] / src / openocd.c
index 623bd0c1625d0403e2ef294d25fe4ba31993f6b2..109f0e198e25feffd77d96a5af5089c935bb7f2a 100644 (file)
@@ -2,7 +2,7 @@
  *   Copyright (C) 2005 by Dominic Rath                                    *
  *   Dominic.Rath@gmx.de                                                   *
  *                                                                         *
- *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
+ *   Copyright (C) 2007-2010 Øyvind Harboe                                 *
  *   oyvind.harboe@zylin.com                                               *
  *                                                                         *
  *   Copyright (C) 2008 Richard Missenden                                  *
 #include "openocd.h"
 #include <jtag/driver.h>
 #include <jtag/jtag.h>
+#include <jtag/transport.h>
 #include <helper/ioutil.h>
+#include <helper/util.h>
 #include <helper/configuration.h>
-#include <xsvf/xsvf.h>
-#include <svf/svf.h>
 #include <flash/nor/core.h>
 #include <flash/nand/core.h>
 #include <pld/pld.h>
@@ -42,7 +42,6 @@
 
 #include <server/server.h>
 #include <server/gdb_server.h>
-#include <server/httpd.h>
 
 #ifdef HAVE_STRINGS_H
 #include <strings.h>
 #define OPENOCD_VERSION \
                "Open On-Chip Debugger " VERSION RELSTR " (" PKGBLDDATE ")"
 
-/* Give TELNET a way to find out what version this is */
-COMMAND_HANDLER(handle_version_command)
+/* Give scripts and TELNET a way to find out what version this is */
+static int jim_version_command(Jim_Interp *interp, int argc,
+               Jim_Obj * const *argv)
 {
-       if (CMD_ARGC != 0)
-               return ERROR_COMMAND_SYNTAX_ERROR;
-
-       command_print(CMD_CTX, OPENOCD_VERSION);
+       if (argc > 2)
+       {
+               return JIM_ERR;
+       }
+       const char *str = "";
+       char * version_str;
+       version_str = OPENOCD_VERSION;
+       
+       if (argc == 2)
+               str = Jim_GetString(argv[1], NULL);
+
+       if (strcmp("git", str) == 0)
+       {
+               version_str = GITVERSION;
+       } 
+       
+       Jim_SetResult(interp, Jim_NewStringObj(interp, version_str, -1));
 
-       return ERROR_OK;
+       return JIM_OK;
 }
 
 static int log_target_callback_event_handler(struct target *target, enum target_event event, void *priv)
@@ -120,22 +133,24 @@ COMMAND_HANDLER(handle_init_command)
                /* we must be able to set up the debug adapter */
                return retval;
        }
+
        LOG_DEBUG("Debug Adapter init complete");
 
-       /* Try to initialize & examine the JTAG chain at this point,
-        * but continue startup regardless.  Note that platforms
-        * need to be able to provide JTAG event handlers that use
-        * a variety of JTAG operations in order to do that...
+       /* "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);
-       if (command_run_line(CMD_CTX, "jtag init") == ERROR_OK)
-       {
-               LOG_DEBUG("Examining targets...");
-               if (target_examine() != ERROR_OK)
-                       LOG_DEBUG("target examination failed");
-       }
-       else
-               LOG_WARNING("jtag initialization failed; try 'jtag init' again.");
+
+       retval = command_run_line(CMD_CTX, "transport init");
+       if (ERROR_OK != retval)
+               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)
@@ -169,10 +184,33 @@ COMMAND_HANDLER(handle_add_script_search_dir_command)
        return ERROR_OK;
 }
 
+
+static int jim_stacktrace_command(Jim_Interp *interp, int argc,
+               Jim_Obj * const *argv)
+{
+       if (argc != 1)
+       {
+               return JIM_ERR;
+       }
+       Jim_Obj * stacktrace = Jim_DuplicateObj(interp, interp->stackTrace);
+       
+       /* insert actual error site at beginning of list*/
+       Jim_Obj *procname = Jim_NewStringObj(interp, "", -1); /* Uhhh... don't know this one. */
+       Jim_ListInsertElements(interp, stacktrace, 0, 1, &procname);
+       Jim_Obj *filename = Jim_NewStringObj(interp, interp->errorFileName, -1);
+       Jim_ListInsertElements(interp, stacktrace, 1, 1, &filename);
+       Jim_Obj *line = Jim_NewIntObj(interp, interp->errorLine);
+       Jim_ListInsertElements(interp, stacktrace, 2, 1, &line);
+
+       Jim_SetResult(interp, stacktrace);
+
+       return JIM_OK;
+}
+
 static const struct command_registration openocd_command_handlers[] = {
        {
                .name = "version",
-               .handler = &handle_version_command,
+               .jim_handler = jim_version_command,
                .mode = COMMAND_ANY,
                .help = "show program version",
        },
@@ -199,6 +237,14 @@ static const struct command_registration openocd_command_handlers[] = {
                .help = "dir to search for config files and scripts",
 
        },
+       {
+               .name = "stacktrace",
+               .jim_handler = jim_stacktrace_command,
+               .mode = COMMAND_ANY,
+               .help = "returns the stacktrace as a list of triples: proc, file, line."
+               "The stack trace is reset when a new stack trace is being built after "
+               "a new failure has occurred.",
+       },
        COMMAND_REGISTRATION_DONE
 };
 
@@ -209,8 +255,10 @@ static int openocd_register_commands(struct command_context *cmd_ctx)
 
 struct command_context *global_cmd_ctx;
 
-/* NB! this fn can be invoked outside this file for non PC hosted builds */
-static struct command_context *setup_command_handler(Jim_Interp *interp)
+/* NB! this fn can be invoked outside this file for non PC hosted builds
+ * NB! do not change to 'static'!!!!
+ */
+struct command_context *setup_command_handler(Jim_Interp *interp)
 {
        log_init();
        LOG_DEBUG("log_init: complete");
@@ -225,10 +273,8 @@ static struct command_context *setup_command_handler(Jim_Interp *interp)
                &server_register_commands,
                &gdb_register_commands,
                &log_register_commands,
+               &transport_register_commands,
                &interface_register_commands,
-               &jtag_register_commands,
-               &xsvf_register_commands,
-               &svf_register_commands,
                &target_register_commands,
                &flash_register_commands,
                &nand_register_commands,
@@ -267,6 +313,9 @@ int openocd_main(int argc, char *argv[])
 
        cmd_ctx = setup_command_handler(NULL);
 
+       if (util_init(cmd_ctx) != ERROR_OK)
+               return EXIT_FAILURE;
+
        if (ioutil_init(cmd_ctx) != ERROR_OK)
                return EXIT_FAILURE;
 
@@ -287,13 +336,14 @@ int openocd_main(int argc, char *argv[])
        if (ret != ERROR_OK)
                return EXIT_FAILURE;
 
-       if (httpd_start(cmd_ctx) != ERROR_OK)
-               return EXIT_FAILURE;
-
        ret = server_init(cmd_ctx);
        if (ERROR_OK != ret)
                return EXIT_FAILURE;
 
+       ret = command_run_line(cmd_ctx, "init_targets");
+       if (ERROR_OK != ret)
+               ret = EXIT_FAILURE;
+
        if (init_at_startup)
        {
                ret = command_run_line(cmd_ctx, "init");
@@ -307,8 +357,6 @@ int openocd_main(int argc, char *argv[])
 
        server_quit();
 
-       httpd_stop();
-
        unregister_all_commands(cmd_ctx, NULL);
 
        /* free commandline interface */