1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
5 * Copyright (C) 2007,2008 Øyvind Harboe *
6 * oyvind.harboe@zylin.com *
8 * Copyright (C) 2008, Duane Ellis *
9 * openocd@duaneeellis.com *
11 * part of this file is taken from libcli (libcli.sourceforge.net) *
12 * Copyright (C) David Parrish (david@dparrish.com) *
14 * This program is free software; you can redistribute it and/or modify *
15 * it under the terms of the GNU General Public License as published by *
16 * the Free Software Foundation; either version 2 of the License, or *
17 * (at your option) any later version. *
19 * This program is distributed in the hope that it will be useful, *
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
22 * GNU General Public License for more details. *
24 * You should have received a copy of the GNU General Public License *
25 * along with this program; if not, write to the *
26 * Free Software Foundation, Inc., *
27 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
28 ***************************************************************************/
34 /* see Embedder-HOWTO.txt in Jim Tcl project hosted on BerliOS*/
38 // @todo the inclusion of target.h here is a layering violation
41 #include "configuration.h"
43 #include "time_support.h"
44 #include "jim-eventloop.h"
47 /* nice short description of source file */
48 #define __THIS__FILE__ "command.c"
50 Jim_Interp *interp = NULL;
52 static int run_command(struct command_context *context,
53 struct command *c, const char *words[], unsigned num_words);
55 static void tcl_output(void *privData, const char *file, unsigned line,
56 const char *function, const char *string)
58 Jim_Obj *tclOutput = (Jim_Obj *)privData;
59 Jim_AppendString(interp, tclOutput, string, strlen(string));
62 static Jim_Obj *command_log_capture_start(Jim_Interp *interp)
64 /* capture log output and return it. A garbage collect can
65 * happen, so we need a reference count to this object */
66 Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
67 if (NULL == tclOutput)
69 Jim_IncrRefCount(tclOutput);
70 log_add_callback(tcl_output, tclOutput);
74 static void command_log_capture_finish(Jim_Interp *interp, Jim_Obj *tclOutput)
76 log_remove_callback(tcl_output, tclOutput);
77 Jim_SetResult(interp, tclOutput);
78 Jim_DecrRefCount(interp, tclOutput);
81 static int command_retval_set(Jim_Interp *interp, int retval)
83 int *return_retval = Jim_GetAssocData(interp, "retval");
84 if (return_retval != NULL)
85 *return_retval = retval;
87 return (retval == ERROR_OK) ? JIM_OK : JIM_ERR;
90 extern struct command_context *global_cmd_ctx;
92 void script_debug(Jim_Interp *interp, const char *name,
93 unsigned argc, Jim_Obj *const *argv)
95 LOG_DEBUG("command - %s", name);
96 for (unsigned i = 0; i < argc; i++)
99 const char *w = Jim_GetString(argv[i], &len);
101 /* end of line comment? */
105 LOG_DEBUG("%s - argv[%d]=%s", name, i, w);
109 static void script_command_args_free(const char **words, unsigned nwords)
111 for (unsigned i = 0; i < nwords; i++)
112 free((void *)words[i]);
115 static const char **script_command_args_alloc(
116 unsigned argc, Jim_Obj *const *argv, unsigned *nwords)
118 const char **words = malloc(argc * sizeof(char *));
123 for (i = 0; i < argc; i++)
126 const char *w = Jim_GetString(argv[i], &len);
127 /* a comment may end the line early */
131 words[i] = strdup(w);
132 if (words[i] == NULL)
134 script_command_args_free(words, i);
142 static struct command_context *current_command_context(void)
144 /* grab the command context from the associated data */
145 struct command_context *cmd_ctx = Jim_GetAssocData(interp, "context");
148 /* Tcl can invoke commands directly instead of via command_run_line(). This would
149 * happen when the Jim Tcl interpreter is provided by eCos.
151 cmd_ctx = global_cmd_ctx;
156 static int script_command_run(Jim_Interp *interp,
157 int argc, Jim_Obj *const *argv, struct command *c, bool capture)
159 target_call_timer_callbacks_now();
160 LOG_USER_N("%s", ""); /* Keep GDB connection alive*/
163 const char **words = script_command_args_alloc(argc, argv, &nwords);
167 Jim_Obj *tclOutput = NULL;
169 tclOutput = command_log_capture_start(interp);
171 struct command_context *cmd_ctx = current_command_context();
172 int retval = run_command(cmd_ctx, c, (const char **)words, nwords);
175 command_log_capture_finish(interp, tclOutput);
177 script_command_args_free(words, nwords);
178 return command_retval_set(interp, retval);
181 static int script_command(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
183 /* the private data is stashed in the interp structure */
185 struct command *c = interp->cmdPrivData;
187 script_debug(interp, c->name, argc, argv);
188 return script_command_run(interp, argc, argv, c, true);
191 static struct command *command_root(struct command *c)
193 while (NULL != c->parent)
199 * Find a command by name from a list of commands.
200 * @returns Returns the named command if it exists in the list.
201 * Returns NULL otherwise.
203 static struct command *command_find(struct command *head, const char *name)
205 for (struct command *cc = head; cc; cc = cc->next)
207 if (strcmp(cc->name, name) == 0)
212 struct command *command_find_in_context(struct command_context *cmd_ctx,
215 return command_find(cmd_ctx->commands, name);
217 struct command *command_find_in_parent(struct command *parent,
220 return command_find(parent->children, name);
224 * Add the command into the linked list, sorted by name.
225 * @param head Address to head of command list pointer, which may be
226 * updated if @c c gets inserted at the beginning of the list.
227 * @param c The command to add to the list pointed to by @c head.
229 static void command_add_child(struct command **head, struct command *c)
238 while ((*head)->next && (strcmp(c->name, (*head)->name) > 0))
239 head = &(*head)->next;
241 if (strcmp(c->name, (*head)->name) > 0) {
242 c->next = (*head)->next;
250 static struct command **command_list_for_parent(
251 struct command_context *cmd_ctx, struct command *parent)
253 return parent ? &parent->children : &cmd_ctx->commands;
256 static void command_free(struct command *c)
258 /// @todo if command has a handler, unregister its jim command!
260 while (NULL != c->children)
262 struct command *tmp = c->children;
263 c->children = tmp->next;
270 free((void*)c->help);
272 free((void*)c->usage);
276 static struct command *command_new(struct command_context *cmd_ctx,
277 struct command *parent, const struct command_registration *cr)
281 struct command *c = calloc(1, sizeof(struct command));
285 c->name = strdup(cr->name);
287 c->help = strdup(cr->help);
289 c->usage = strdup(cr->usage);
291 if (!c->name || (cr->help && !c->help) || (cr->usage && !c->usage))
292 goto command_new_error;
295 c->handler = cr->handler;
296 c->jim_handler = cr->jim_handler;
297 c->jim_handler_data = cr->jim_handler_data;
300 command_add_child(command_list_for_parent(cmd_ctx, parent), c);
309 static int command_unknown(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
311 static int register_command_handler(struct command *c)
313 const char *ocd_name = alloc_printf("ocd_%s", c->name);
314 if (NULL == ocd_name)
317 LOG_DEBUG("registering '%s'...", ocd_name);
319 Jim_CmdProc func = c->handler ? &script_command : &command_unknown;
320 int retval = Jim_CreateCommand(interp, ocd_name, func, c, NULL);
321 free((void *)ocd_name);
322 if (JIM_OK != retval)
325 /* we now need to add an overrideable proc */
326 const char *override_name = alloc_printf(
327 "proc %s {args} {eval ocd_bouncer %s $args}",
329 if (NULL == override_name)
332 retval = Jim_Eval_Named(interp, override_name, __FILE__, __LINE__);
333 free((void *)override_name);
338 struct command* register_command(struct command_context *context,
339 struct command *parent, const struct command_registration *cr)
341 if (!context || !cr->name)
344 const char *name = cr->name;
345 struct command **head = command_list_for_parent(context, parent);
346 struct command *c = command_find(*head, name);
349 LOG_ERROR("command '%s' is already registered in '%s' context",
350 name, parent ? parent->name : "<global>");
354 c = command_new(context, parent, cr);
358 int retval = ERROR_OK;
359 if (NULL != cr->jim_handler && NULL == parent)
361 retval = Jim_CreateCommand(interp, cr->name,
362 cr->jim_handler, cr->jim_handler_data, NULL);
364 else if (NULL != cr->handler || NULL != parent)
365 retval = register_command_handler(command_root(c));
367 if (ERROR_OK != retval)
369 unregister_command(context, parent, name);
375 int register_commands(struct command_context *cmd_ctx, struct command *parent,
376 const struct command_registration *cmds)
378 int retval = ERROR_OK;
380 for (i = 0; cmds[i].name || cmds[i].chain; i++)
382 const struct command_registration *cr = cmds + i;
384 struct command *c = NULL;
385 if (NULL != cr->name)
387 c = register_command(cmd_ctx, parent, cr);
394 if (NULL != cr->chain)
396 struct command *p = c ? : parent;
397 retval = register_commands(cmd_ctx, p, cr->chain);
398 if (ERROR_OK != retval)
402 if (ERROR_OK != retval)
404 for (unsigned j = 0; j < i; j++)
405 unregister_command(cmd_ctx, parent, cmds[j].name);
410 int unregister_all_commands(struct command_context *context,
411 struct command *parent)
416 struct command **head = command_list_for_parent(context, parent);
417 while (NULL != *head)
419 struct command *tmp = *head;
427 int unregister_command(struct command_context *context,
428 struct command *parent, const char *name)
430 if ((!context) || (!name))
431 return ERROR_INVALID_ARGUMENTS;
433 struct command *p = NULL;
434 struct command **head = command_list_for_parent(context, parent);
435 for (struct command *c = *head; NULL != c; p = c, c = c->next)
437 if (strcmp(name, c->name) != 0)
452 void command_set_handler_data(struct command *c, void *p)
454 if (NULL != c->handler || NULL != c->jim_handler)
455 c->jim_handler_data = p;
456 for (struct command *cc = c->children; NULL != cc; cc = cc->next)
457 command_set_handler_data(cc, p);
460 void command_output_text(struct command_context *context, const char *data)
462 if (context && context->output_handler && data) {
463 context->output_handler(context, data);
467 void command_print_sameline(struct command_context *context, const char *format, ...)
472 va_start(ap, format);
474 string = alloc_vprintf(format, ap);
477 /* we want this collected in the log + we also want to pick it up as a tcl return
480 * The latter bit isn't precisely neat, but will do for now.
482 LOG_USER_N("%s", string);
483 /* We already printed it above */
484 /* command_output_text(context, string); */
491 void command_print(struct command_context *context, const char *format, ...)
496 va_start(ap, format);
498 string = alloc_vprintf(format, ap);
501 strcat(string, "\n"); /* alloc_vprintf guaranteed the buffer to be at least one char longer */
502 /* we want this collected in the log + we also want to pick it up as a tcl return
505 * The latter bit isn't precisely neat, but will do for now.
507 LOG_USER_N("%s", string);
508 /* We already printed it above */
509 /* command_output_text(context, string); */
516 static char *__command_name(struct command *c, char delim, unsigned extra)
519 unsigned len = strlen(c->name);
520 if (NULL == c->parent) {
521 // allocate enough for the name, child names, and '\0'
522 name = malloc(len + extra + 1);
523 strcpy(name, c->name);
525 // parent's extra must include both the space and name
526 name = __command_name(c->parent, delim, 1 + len + extra);
527 char dstr[2] = { delim, 0 };
529 strcat(name, c->name);
533 char *command_name(struct command *c, char delim)
535 return __command_name(c, delim, 0);
538 static bool command_can_run(struct command_context *cmd_ctx, struct command *c)
540 return c->mode == COMMAND_ANY || c->mode == cmd_ctx->mode;
543 static int run_command(struct command_context *context,
544 struct command *c, const char *words[], unsigned num_words)
546 if (!command_can_run(context, c))
548 /* Config commands can not run after the config stage */
549 LOG_ERROR("The '%s' command must be used before 'init'.", c->name);
553 struct command_invocation cmd = {
556 .argc = num_words - 1,
559 int retval = c->handler(&cmd);
560 if (retval == ERROR_COMMAND_SYNTAX_ERROR)
562 /* Print help for command */
563 char *full_name = command_name(c, ' ');
564 if (NULL != full_name) {
565 command_run_linef(context, "usage %s", full_name);
570 else if (retval == ERROR_COMMAND_CLOSE_CONNECTION)
572 /* just fall through for a shutdown request */
574 else if (retval != ERROR_OK)
576 /* we do not print out an error message because the command *should*
577 * have printed out an error
579 LOG_DEBUG("Command failed with error code %d", retval);
585 int command_run_line(struct command_context *context, char *line)
587 /* all the parent commands have been registered with the interpreter
588 * so, can just evaluate the line as a script and check for
591 /* run the line thru a script engine */
592 int retval = ERROR_FAIL;
594 /* Beware! This code needs to be reentrant. It is also possible
595 * for OpenOCD commands to be invoked directly from Tcl. This would
596 * happen when the Jim Tcl interpreter is provided by eCos for
599 Jim_DeleteAssocData(interp, "context");
600 retcode = Jim_SetAssocData(interp, "context", NULL, context);
601 if (retcode == JIM_OK)
603 /* associated the return value */
604 Jim_DeleteAssocData(interp, "retval");
605 retcode = Jim_SetAssocData(interp, "retval", NULL, &retval);
606 if (retcode == JIM_OK)
608 retcode = Jim_Eval_Named(interp, line, __THIS__FILE__, __LINE__);
610 Jim_DeleteAssocData(interp, "retval");
612 Jim_DeleteAssocData(interp, "context");
614 if (retcode == JIM_ERR) {
615 if (retval != ERROR_COMMAND_CLOSE_CONNECTION)
617 /* We do not print the connection closed error message */
618 Jim_PrintErrorMessage(interp);
620 if (retval == ERROR_OK)
622 /* It wasn't a low level OpenOCD command that failed */
626 } else if (retcode == JIM_EXIT) {
628 /* exit(Jim_GetExitCode(interp)); */
633 result = Jim_GetString(Jim_GetResult(interp), &reslen);
638 for (i = 0; i < reslen; i += 256)
644 strncpy(buff, result + i, chunk);
646 LOG_USER_N("%s", buff);
648 LOG_USER_N("%s", "\n");
655 int command_run_linef(struct command_context *context, const char *format, ...)
657 int retval = ERROR_FAIL;
660 va_start(ap, format);
661 string = alloc_vprintf(format, ap);
664 retval = command_run_line(context, string);
670 void command_set_output_handler(struct command_context* context,
671 command_output_handler_t output_handler, void *priv)
673 context->output_handler = output_handler;
674 context->output_handler_priv = priv;
677 struct command_context* copy_command_context(struct command_context* context)
679 struct command_context* copy_context = malloc(sizeof(struct command_context));
681 *copy_context = *context;
686 void command_done(struct command_context *cmd_ctx)
694 /* find full path to file */
695 static int jim_find(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
699 const char *file = Jim_GetString(argv[1], NULL);
700 char *full_path = find_file(file);
701 if (full_path == NULL)
703 Jim_Obj *result = Jim_NewStringObj(interp, full_path, strlen(full_path));
706 Jim_SetResult(interp, result);
710 static int jim_echo(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
714 const char *str = Jim_GetString(argv[1], NULL);
719 static size_t openocd_jim_fwrite(const void *_ptr, size_t size, size_t n, void *cookie)
725 /* make it a char easier to read code */
729 if (ptr == NULL || interp == NULL || nbytes == 0) {
733 /* do we have to chunk it? */
734 if (ptr[nbytes] == 0)
736 /* no it is a C style string */
737 LOG_USER_N("%s", ptr);
740 /* GRR we must chunk - not null terminated */
750 memcpy(chunk, ptr, x);
754 LOG_USER_N("%s", chunk);
762 static size_t openocd_jim_fread(void *ptr, size_t size, size_t n, void *cookie)
764 /* TCL wants to read... tell him no */
768 static int openocd_jim_vfprintf(void *cookie, const char *fmt, va_list ap)
779 cp = alloc_vprintf(fmt, ap);
782 LOG_USER_N("%s", cp);
789 static int openocd_jim_fflush(void *cookie)
791 /* nothing to flush */
795 static char* openocd_jim_fgets(char *s, int size, void *cookie)
802 static int jim_capture(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
807 Jim_Obj *tclOutput = command_log_capture_start(interp);
809 const char *str = Jim_GetString(argv[1], NULL);
810 int retcode = Jim_Eval_Named(interp, str, __THIS__FILE__, __LINE__);
812 command_log_capture_finish(interp, tclOutput);
817 static COMMAND_HELPER(command_help_find, struct command *head,
818 struct command **out)
821 return ERROR_INVALID_ARGUMENTS;
822 *out = command_find(head, CMD_ARGV[0]);
823 if (NULL == *out && strncmp(CMD_ARGV[0], "ocd_", 4) == 0)
824 *out = command_find(head, CMD_ARGV[0] + 4);
826 return ERROR_INVALID_ARGUMENTS;
830 return CALL_COMMAND_HANDLER(command_help_find, (*out)->children, out);
833 static COMMAND_HELPER(command_help_show, struct command *c, unsigned n,
836 static COMMAND_HELPER(command_help_show_list, struct command *head, unsigned n,
839 for (struct command *c = head; NULL != c; c = c->next)
840 CALL_COMMAND_HANDLER(command_help_show, c, n, show_help);
844 #define HELP_LINE_WIDTH(_n) (int)(76 - (2 * _n))
846 static void command_help_show_indent(unsigned n)
848 for (unsigned i = 0; i < n; i++)
851 static void command_help_show_wrap(const char *str, unsigned n, unsigned n2)
853 const char *cp = str, *last = str;
856 const char *next = last;
861 } while (*next != ' ' && *next != '\t' && *next != '\0');
862 } while ((next - last < HELP_LINE_WIDTH(n)) && *next != '\0');
863 if (next - last < HELP_LINE_WIDTH(n))
865 command_help_show_indent(n);
866 LOG_USER_N("%.*s", (int)(cp - last), last);
872 static COMMAND_HELPER(command_help_show, struct command *c, unsigned n,
875 if (!command_can_run(CMD_CTX, c))
878 char *cmd_name = command_name(c, ' ');
879 if (NULL == cmd_name)
882 command_help_show_indent(n);
883 LOG_USER_N("%s", cmd_name);
888 command_help_show_wrap(c->usage, 0, n + 5);
895 const char *stage_msg;
897 case COMMAND_CONFIG: stage_msg = "CONFIG"; break;
898 case COMMAND_EXEC: stage_msg = "EXEC"; break;
899 case COMMAND_ANY: stage_msg = "CONFIG or EXEC"; break;
900 default: stage_msg = "***UNKNOWN***"; break;
902 char *msg = alloc_printf("%s%sValid Modes: %s",
903 c->help ? : "", c->help ? " " : "", stage_msg);
906 command_help_show_wrap(msg, n + 3, n + 3);
915 return CALL_COMMAND_HANDLER(command_help_show_list,
916 c->children, n, show_help);
918 COMMAND_HANDLER(handle_help_command)
920 bool full = strcmp(CMD_NAME, "help") == 0;
922 struct command *c = CMD_CTX->commands;
925 return CALL_COMMAND_HANDLER(command_help_show_list, c, 0, full);
927 int retval = CALL_COMMAND_HANDLER(command_help_find, c, &c);
928 if (ERROR_OK != retval)
931 return CALL_COMMAND_HANDLER(command_help_show, c, 0, full);
934 static int command_unknown_find(unsigned argc, Jim_Obj *const *argv,
935 struct command *head, struct command **out, bool top_level)
939 const char *cmd_name = Jim_GetString(argv[0], NULL);
940 struct command *c = command_find(head, cmd_name);
941 if (NULL == c && top_level && strncmp(cmd_name, "ocd_", 4) == 0)
942 c = command_find(head, cmd_name + 4);
946 return command_unknown_find(--argc, ++argv, (*out)->children, out, false);
949 static int command_unknown(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
951 const char *cmd_name = Jim_GetString(argv[0], NULL);
952 if (strcmp(cmd_name, "unknown") == 0)
959 script_debug(interp, cmd_name, argc, argv);
961 struct command_context *cmd_ctx = current_command_context();
962 struct command *c = cmd_ctx->commands;
963 int remaining = command_unknown_find(argc, argv, c, &c, true);
964 // if nothing could be consumed, then it's really an unknown command
965 if (remaining == argc)
967 const char *cmd = Jim_GetString(argv[0], NULL);
968 LOG_ERROR("Unknown command:\n %s", cmd);
973 Jim_Obj *const *start;
975 if (c->handler || c->jim_handler)
977 // include the command name in the list
978 count = remaining + 1;
979 start = argv + (argc - remaining - 1);
983 c = command_find(cmd_ctx->commands, "usage");
986 LOG_ERROR("unknown command, but usage is missing too");
989 count = argc - remaining;
993 // pass the command through to the intended handler
996 interp->cmdPrivData = c->jim_handler_data;
997 return (*c->jim_handler)(interp, count, start);
1000 return script_command_run(interp, count, start, c, found);
1003 static int jim_command_mode(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
1005 struct command_context *cmd_ctx = current_command_context();
1006 enum command_mode mode;
1009 struct command *c = cmd_ctx->commands;
1010 int remaining = command_unknown_find(argc - 1, argv + 1, c, &c, true);
1011 // if nothing could be consumed, then it's an unknown command
1012 if (remaining == argc - 1)
1014 Jim_SetResultString(interp, "unknown", -1);
1020 mode = cmd_ctx->mode;
1022 const char *mode_str;
1024 case COMMAND_ANY: mode_str = "any"; break;
1025 case COMMAND_CONFIG: mode_str = "config"; break;
1026 case COMMAND_EXEC: mode_str = "exec"; break;
1027 default: mode_str = "unknown"; break;
1029 Jim_SetResultString(interp, mode_str, -1);
1033 static int jim_command_type(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
1038 struct command_context *cmd_ctx = current_command_context();
1039 struct command *c = cmd_ctx->commands;
1040 int remaining = command_unknown_find(argc - 1, argv + 1, c, &c, true);
1041 // if nothing could be consumed, then it's an unknown command
1042 if (remaining == argc - 1)
1044 Jim_SetResultString(interp, "unknown", -1);
1049 Jim_SetResultString(interp, "native", -1);
1050 else if (c->handler)
1051 Jim_SetResultString(interp, "simple", -1);
1053 Jim_SetResultString(interp, "group", -1);
1058 int help_add_command(struct command_context *cmd_ctx, struct command *parent,
1059 const char *cmd_name, const char *help_text, const char *usage)
1061 struct command **head = command_list_for_parent(cmd_ctx, parent);
1062 struct command *nc = command_find(*head, cmd_name);
1065 // add a new command with help text
1066 struct command_registration cr = {
1068 .mode = COMMAND_ANY,
1072 nc = register_command(cmd_ctx, parent, &cr);
1075 LOG_ERROR("failed to add '%s' help text", cmd_name);
1078 LOG_DEBUG("added '%s' help text", cmd_name);
1083 bool replaced = false;
1086 free((void *)nc->help);
1089 nc->help = strdup(help_text);
1091 LOG_INFO("replaced existing '%s' help", cmd_name);
1093 LOG_DEBUG("added '%s' help text", cmd_name);
1097 bool replaced = false;
1100 free((void *)nc->usage);
1103 nc->usage = strdup(usage);
1105 LOG_INFO("replaced existing '%s' usage", cmd_name);
1107 LOG_DEBUG("added '%s' usage text", cmd_name);
1112 COMMAND_HANDLER(handle_help_add_command)
1116 LOG_ERROR("%s: insufficient arguments", CMD_NAME);
1117 return ERROR_INVALID_ARGUMENTS;
1120 // save help text and remove it from argument list
1121 const char *str = CMD_ARGV[--CMD_ARGC];
1122 const char *help = !strcmp(CMD_NAME, "add_help_text") ? str : NULL;
1123 const char *usage = !strcmp(CMD_NAME, "add_usage_text") ? str : NULL;
1124 if (!help && !usage)
1126 LOG_ERROR("command name '%s' is unknown", CMD_NAME);
1127 return ERROR_INVALID_ARGUMENTS;
1129 // likewise for the leaf command name
1130 const char *cmd_name = CMD_ARGV[--CMD_ARGC];
1132 struct command *c = NULL;
1135 c = CMD_CTX->commands;
1136 int retval = CALL_COMMAND_HANDLER(command_help_find, c, &c);
1137 if (ERROR_OK != retval)
1140 return help_add_command(CMD_CTX, c, cmd_name, help, usage);
1143 /* sleep command sleeps for <n> miliseconds
1144 * this is useful in target startup scripts
1146 COMMAND_HANDLER(handle_sleep_command)
1151 if (strcmp(CMD_ARGV[1], "busy") == 0)
1154 return ERROR_COMMAND_SYNTAX_ERROR;
1156 else if (CMD_ARGC < 1 || CMD_ARGC > 2)
1157 return ERROR_COMMAND_SYNTAX_ERROR;
1159 unsigned long duration = 0;
1160 int retval = parse_ulong(CMD_ARGV[0], &duration);
1161 if (ERROR_OK != retval)
1166 long long then = timeval_ms();
1167 while (timeval_ms() - then < (long long)duration)
1169 target_call_timer_callbacks_now();
1174 busy_sleep(duration);
1179 static const struct command_registration command_subcommand_handlers[] = {
1182 .mode = COMMAND_ANY,
1183 .jim_handler = &jim_command_mode,
1184 .usage = "[<name> ...]",
1185 .help = "Returns the command modes allowed by a command:"
1186 "'any', 'config', or 'exec'. If no command is"
1187 "specified, returns the current command mode.",
1191 .mode = COMMAND_ANY,
1192 .jim_handler = &jim_command_type,
1193 .usage = "<name> ...",
1194 .help = "Returns the type of built-in command:"
1195 "'native', 'simple', 'group', or 'unknown'",
1197 COMMAND_REGISTRATION_DONE
1200 static const struct command_registration command_builtin_handlers[] = {
1202 .name = "add_help_text",
1203 .handler = &handle_help_add_command,
1204 .mode = COMMAND_ANY,
1205 .help = "add new command help text",
1206 .usage = "<command> [...] <help_text>]",
1209 .name = "add_usage_text",
1210 .handler = &handle_help_add_command,
1211 .mode = COMMAND_ANY,
1212 .help = "add new command usage text",
1213 .usage = "<command> [...] <usage_text>]",
1217 .handler = &handle_sleep_command,
1218 .mode = COMMAND_ANY,
1219 .help = "sleep for n milliseconds. "
1220 "\"busy\" will busy wait",
1221 .usage = "<n> [busy]",
1225 .handler = &handle_help_command,
1226 .mode = COMMAND_ANY,
1227 .help = "show full command help",
1228 .usage = "[<command> ...]",
1232 .handler = &handle_help_command,
1233 .mode = COMMAND_ANY,
1234 .help = "show basic command usage",
1235 .usage = "[<command> ...]",
1240 .help = "core command group (introspection)",
1241 .chain = command_subcommand_handlers,
1243 COMMAND_REGISTRATION_DONE
1246 struct command_context* command_init(const char *startup_tcl)
1248 struct command_context* context = malloc(sizeof(struct command_context));
1251 context->mode = COMMAND_EXEC;
1252 context->commands = NULL;
1253 context->current_target = 0;
1254 context->output_handler = NULL;
1255 context->output_handler_priv = NULL;
1257 #if !BUILD_ECOSBOARD
1259 /* Create an interpreter */
1260 interp = Jim_CreateInterp();
1261 /* Add all the Jim core commands */
1262 Jim_RegisterCoreCommands(interp);
1265 #if defined(_MSC_VER)
1266 /* WinXX - is generic, the forward
1267 * looking problem is this:
1269 * "win32" or "win64"
1271 * "winxx" is generic.
1274 #elif defined(__linux__)
1276 #elif defined(__DARWIN__)
1278 #elif defined(__CYGWIN__)
1280 #elif defined(__MINGW32__)
1282 #elif defined(__ECOS)
1285 #warn unrecognized host OS...
1288 Jim_SetGlobalVariableStr(interp, "ocd_HOSTOS",
1289 Jim_NewStringObj(interp, HostOs , strlen(HostOs)));
1291 Jim_CreateCommand(interp, "ocd_find", jim_find, NULL, NULL);
1292 Jim_CreateCommand(interp, "echo", jim_echo, NULL, NULL);
1293 Jim_CreateCommand(interp, "capture", jim_capture, NULL, NULL);
1295 /* Set Jim's STDIO */
1296 interp->cookie_stdin = interp;
1297 interp->cookie_stdout = interp;
1298 interp->cookie_stderr = interp;
1299 interp->cb_fwrite = openocd_jim_fwrite;
1300 interp->cb_fread = openocd_jim_fread ;
1301 interp->cb_vfprintf = openocd_jim_vfprintf;
1302 interp->cb_fflush = openocd_jim_fflush;
1303 interp->cb_fgets = openocd_jim_fgets;
1305 register_commands(context, NULL, command_builtin_handlers);
1307 #if !BUILD_ECOSBOARD
1308 Jim_EventLoopOnLoad(interp);
1310 Jim_SetAssocData(interp, "context", NULL, context);
1311 if (Jim_Eval_Named(interp, startup_tcl, "embedded:startup.tcl",1) == JIM_ERR)
1313 LOG_ERROR("Failed to run startup.tcl (embedded into OpenOCD)");
1314 Jim_PrintErrorMessage(interp);
1317 Jim_DeleteAssocData(interp, "context");
1322 int command_context_mode(struct command_context *cmd_ctx, enum command_mode mode)
1325 return ERROR_INVALID_ARGUMENTS;
1327 cmd_ctx->mode = mode;
1331 void process_jim_events(void)
1333 #if !BUILD_ECOSBOARD
1334 static int recursion = 0;
1339 Jim_ProcessEvents (interp, JIM_ALL_EVENTS | JIM_DONT_WAIT);
1345 #define DEFINE_PARSE_NUM_TYPE(name, type, func, min, max) \
1346 int parse##name(const char *str, type *ul) \
1350 LOG_ERROR("Invalid command argument"); \
1351 return ERROR_COMMAND_ARGUMENT_INVALID; \
1354 *ul = func(str, &end, 0); \
1357 LOG_ERROR("Invalid command argument"); \
1358 return ERROR_COMMAND_ARGUMENT_INVALID; \
1360 if ((max == *ul) && (ERANGE == errno)) \
1362 LOG_ERROR("Argument overflow"); \
1363 return ERROR_COMMAND_ARGUMENT_OVERFLOW; \
1365 if (min && (min == *ul) && (ERANGE == errno)) \
1367 LOG_ERROR("Argument underflow"); \
1368 return ERROR_COMMAND_ARGUMENT_UNDERFLOW; \
1372 DEFINE_PARSE_NUM_TYPE(_ulong, unsigned long , strtoul, 0, ULONG_MAX)
1373 DEFINE_PARSE_NUM_TYPE(_ullong, unsigned long long, strtoull, 0, ULLONG_MAX)
1374 DEFINE_PARSE_NUM_TYPE(_long, long , strtol, LONG_MIN, LONG_MAX)
1375 DEFINE_PARSE_NUM_TYPE(_llong, long long, strtoll, LLONG_MIN, LLONG_MAX)
1377 #define DEFINE_PARSE_WRAPPER(name, type, min, max, functype, funcname) \
1378 int parse##name(const char *str, type *ul) \
1381 int retval = parse##funcname(str, &n); \
1382 if (ERROR_OK != retval) \
1385 return ERROR_COMMAND_ARGUMENT_OVERFLOW; \
1387 return ERROR_COMMAND_ARGUMENT_UNDERFLOW; \
1392 #define DEFINE_PARSE_ULONG(name, type, min, max) \
1393 DEFINE_PARSE_WRAPPER(name, type, min, max, unsigned long, _ulong)
1394 DEFINE_PARSE_ULONG(_uint, unsigned, 0, UINT_MAX)
1395 DEFINE_PARSE_ULONG(_u32, uint32_t, 0, UINT32_MAX)
1396 DEFINE_PARSE_ULONG(_u16, uint16_t, 0, UINT16_MAX)
1397 DEFINE_PARSE_ULONG(_u8, uint8_t, 0, UINT8_MAX)
1399 #define DEFINE_PARSE_LONG(name, type, min, max) \
1400 DEFINE_PARSE_WRAPPER(name, type, min, max, long, _long)
1401 DEFINE_PARSE_LONG(_int, int, n < INT_MIN, INT_MAX)
1402 DEFINE_PARSE_LONG(_s32, int32_t, n < INT32_MIN, INT32_MAX)
1403 DEFINE_PARSE_LONG(_s16, int16_t, n < INT16_MIN, INT16_MAX)
1404 DEFINE_PARSE_LONG(_s8, int8_t, n < INT8_MIN, INT8_MAX)
1406 static int command_parse_bool(const char *in, bool *out,
1407 const char *on, const char *off)
1409 if (strcasecmp(in, on) == 0)
1411 else if (strcasecmp(in, off) == 0)
1414 return ERROR_COMMAND_SYNTAX_ERROR;
1418 int command_parse_bool_arg(const char *in, bool *out)
1420 if (command_parse_bool(in, out, "on", "off") == ERROR_OK)
1422 if (command_parse_bool(in, out, "enable", "disable") == ERROR_OK)
1424 if (command_parse_bool(in, out, "true", "false") == ERROR_OK)
1426 if (command_parse_bool(in, out, "yes", "no") == ERROR_OK)
1428 if (command_parse_bool(in, out, "1", "0") == ERROR_OK)
1430 return ERROR_INVALID_ARGUMENTS;
1433 COMMAND_HELPER(handle_command_parse_bool, bool *out, const char *label)
1437 const char *in = CMD_ARGV[0];
1438 if (command_parse_bool_arg(in, out) != ERROR_OK)
1440 LOG_ERROR("%s: argument '%s' is not valid", CMD_NAME, in);
1441 return ERROR_INVALID_ARGUMENTS;
1446 LOG_INFO("%s is %s", label, *out ? "enabled" : "disabled");
1449 return ERROR_INVALID_ARGUMENTS;