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
39 #include <jtag/jtag.h>
40 #include <target/target.h>
42 #include "configuration.h"
44 #include "time_support.h"
45 #include "jim-eventloop.h"
48 /* nice short description of source file */
49 #define __THIS__FILE__ "command.c"
52 static int run_command(struct command_context
*context
,
53 struct command
*c
, const char *words
[], unsigned num_words
);
55 struct log_capture_state
{
60 static void tcl_output(void *privData
, const char *file
, unsigned line
,
61 const char *function
, const char *string
)
63 struct log_capture_state
*state
= (struct log_capture_state
*)privData
;
64 Jim_AppendString(state
->interp
, state
->output
, string
, strlen(string
));
67 static struct log_capture_state
*command_log_capture_start(Jim_Interp
*interp
)
69 /* capture log output and return it. A garbage collect can
70 * happen, so we need a reference count to this object */
71 Jim_Obj
*tclOutput
= Jim_NewStringObj(interp
, "", 0);
72 if (NULL
== tclOutput
)
75 struct log_capture_state
*state
= malloc(sizeof(*state
));
79 state
->interp
= interp
;
80 Jim_IncrRefCount(tclOutput
);
81 state
->output
= tclOutput
;
83 log_add_callback(tcl_output
, state
);
88 /* Classic openocd commands provide progress output which we
89 * will capture and return as a Tcl return value.
91 * However, if a non-openocd command has been invoked, then it
92 * makes sense to return the tcl return value from that command.
94 * The tcl return value is empty for openocd commands that provide
97 * Therefore we set the tcl return value only if we actually
100 static void command_log_capture_finish(struct log_capture_state
*state
)
105 log_remove_callback(tcl_output
, state
);
108 Jim_GetString(state
->output
, &length
);
112 Jim_SetResult(state
->interp
, state
->output
);
115 /* No output captured, use tcl return value (which could
118 Jim_DecrRefCount(state
->interp
, state
->output
);
123 static int command_retval_set(Jim_Interp
*interp
, int retval
)
125 int *return_retval
= Jim_GetAssocData(interp
, "retval");
126 if (return_retval
!= NULL
)
127 *return_retval
= retval
;
129 return (retval
== ERROR_OK
) ? JIM_OK
: JIM_ERR
;
132 extern struct command_context
*global_cmd_ctx
;
134 /* dump a single line to the log for the command.
135 * Do nothing in case we are not at debug level 3 */
136 void script_debug(Jim_Interp
*interp
, const char *name
,
137 unsigned argc
, Jim_Obj
*const *argv
)
139 if (debug_level
< LOG_LVL_DEBUG
)
142 char * dbg
= alloc_printf("command - %s", name
);
143 for (unsigned i
= 0; i
< argc
; i
++)
146 const char *w
= Jim_GetString(argv
[i
], &len
);
147 char * t
= alloc_printf("%s %s", dbg
, w
);
151 LOG_DEBUG("%s", dbg
);
155 static void script_command_args_free(const char **words
, unsigned nwords
)
157 for (unsigned i
= 0; i
< nwords
; i
++)
158 free((void *)words
[i
]);
161 static const char **script_command_args_alloc(
162 unsigned argc
, Jim_Obj
*const *argv
, unsigned *nwords
)
164 const char **words
= malloc(argc
* sizeof(char *));
169 for (i
= 0; i
< argc
; i
++)
172 const char *w
= Jim_GetString(argv
[i
], &len
);
173 words
[i
] = strdup(w
);
174 if (words
[i
] == NULL
)
176 script_command_args_free(words
, i
);
184 struct command_context
*current_command_context(Jim_Interp
*interp
)
186 /* grab the command context from the associated data */
187 struct command_context
*cmd_ctx
= Jim_GetAssocData(interp
, "context");
190 /* Tcl can invoke commands directly instead of via command_run_line(). This would
191 * happen when the Jim Tcl interpreter is provided by eCos or if we are running
192 * commands in a startup script.
194 * A telnet or gdb server would provide a non-default command context to
195 * handle piping of error output, have a separate current target, etc.
197 cmd_ctx
= global_cmd_ctx
;
202 static int script_command_run(Jim_Interp
*interp
,
203 int argc
, Jim_Obj
*const *argv
, struct command
*c
, bool capture
)
205 target_call_timer_callbacks_now();
206 LOG_USER_N("%s", ""); /* Keep GDB connection alive*/
209 const char **words
= script_command_args_alloc(argc
, argv
, &nwords
);
213 struct log_capture_state
*state
= NULL
;
215 state
= command_log_capture_start(interp
);
217 struct command_context
*cmd_ctx
= current_command_context(interp
);
218 int retval
= run_command(cmd_ctx
, c
, (const char **)words
, nwords
);
220 command_log_capture_finish(state
);
222 script_command_args_free(words
, nwords
);
223 return command_retval_set(interp
, retval
);
226 static int script_command(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
228 /* the private data is stashed in the interp structure */
230 struct command
*c
= interp
->cmdPrivData
;
232 script_debug(interp
, c
->name
, argc
, argv
);
233 return script_command_run(interp
, argc
, argv
, c
, true);
236 static struct command
*command_root(struct command
*c
)
238 while (NULL
!= c
->parent
)
244 * Find a command by name from a list of commands.
245 * @returns Returns the named command if it exists in the list.
246 * Returns NULL otherwise.
248 static struct command
*command_find(struct command
*head
, const char *name
)
250 for (struct command
*cc
= head
; cc
; cc
= cc
->next
)
252 if (strcmp(cc
->name
, name
) == 0)
257 struct command
*command_find_in_context(struct command_context
*cmd_ctx
,
260 return command_find(cmd_ctx
->commands
, name
);
262 struct command
*command_find_in_parent(struct command
*parent
,
265 return command_find(parent
->children
, name
);
269 * Add the command into the linked list, sorted by name.
270 * @param head Address to head of command list pointer, which may be
271 * updated if @c c gets inserted at the beginning of the list.
272 * @param c The command to add to the list pointed to by @c head.
274 static void command_add_child(struct command
**head
, struct command
*c
)
283 while ((*head
)->next
&& (strcmp(c
->name
, (*head
)->name
) > 0))
284 head
= &(*head
)->next
;
286 if (strcmp(c
->name
, (*head
)->name
) > 0) {
287 c
->next
= (*head
)->next
;
295 static struct command
**command_list_for_parent(
296 struct command_context
*cmd_ctx
, struct command
*parent
)
298 return parent
? &parent
->children
: &cmd_ctx
->commands
;
301 static void command_free(struct command
*c
)
303 /// @todo if command has a handler, unregister its jim command!
305 while (NULL
!= c
->children
)
307 struct command
*tmp
= c
->children
;
308 c
->children
= tmp
->next
;
313 free((void *)c
->name
);
315 free((void*)c
->help
);
317 free((void*)c
->usage
);
321 static struct command
*command_new(struct command_context
*cmd_ctx
,
322 struct command
*parent
, const struct command_registration
*cr
)
326 struct command
*c
= calloc(1, sizeof(struct command
));
330 c
->name
= strdup(cr
->name
);
332 c
->help
= strdup(cr
->help
);
334 c
->usage
= strdup(cr
->usage
);
336 if (!c
->name
|| (cr
->help
&& !c
->help
) || (cr
->usage
&& !c
->usage
))
337 goto command_new_error
;
340 c
->handler
= cr
->handler
;
341 c
->jim_handler
= cr
->jim_handler
;
342 c
->jim_handler_data
= cr
->jim_handler_data
;
345 command_add_child(command_list_for_parent(cmd_ctx
, parent
), c
);
354 static int command_unknown(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
);
356 static int register_command_handler(struct command_context
*cmd_ctx
,
359 Jim_Interp
*interp
= cmd_ctx
->interp
;
360 const char *ocd_name
= alloc_printf("ocd_%s", c
->name
);
361 if (NULL
== ocd_name
)
364 LOG_DEBUG("registering '%s'...", ocd_name
);
366 Jim_CmdProc func
= c
->handler
? &script_command
: &command_unknown
;
367 int retval
= Jim_CreateCommand(interp
, ocd_name
, func
, c
, NULL
);
368 free((void *)ocd_name
);
369 if (JIM_OK
!= retval
)
372 /* we now need to add an overrideable proc */
373 const char *override_name
= alloc_printf(
374 "proc %s {args} {eval ocd_bouncer %s $args}",
376 if (NULL
== override_name
)
379 retval
= Jim_Eval_Named(interp
, override_name
, 0, 0);
380 free((void *)override_name
);
385 struct command
* register_command(struct command_context
*context
,
386 struct command
*parent
, const struct command_registration
*cr
)
388 if (!context
|| !cr
->name
)
391 const char *name
= cr
->name
;
392 struct command
**head
= command_list_for_parent(context
, parent
);
393 struct command
*c
= command_find(*head
, name
);
396 /* TODO: originally we treated attempting to register a cmd twice as an error
397 * Sometimes we need this behaviour, such as with flash banks.
398 * http://www.mail-archive.com/openocd-development@lists.berlios.de/msg11152.html */
399 LOG_DEBUG("command '%s' is already registered in '%s' context",
400 name
, parent
? parent
->name
: "<global>");
404 c
= command_new(context
, parent
, cr
);
408 int retval
= ERROR_OK
;
409 if (NULL
!= cr
->jim_handler
&& NULL
== parent
)
411 retval
= Jim_CreateCommand(context
->interp
, cr
->name
,
412 cr
->jim_handler
, cr
->jim_handler_data
, NULL
);
414 else if (NULL
!= cr
->handler
|| NULL
!= parent
)
415 retval
= register_command_handler(context
, command_root(c
));
417 if (ERROR_OK
!= retval
)
419 unregister_command(context
, parent
, name
);
425 int register_commands(struct command_context
*cmd_ctx
, struct command
*parent
,
426 const struct command_registration
*cmds
)
428 int retval
= ERROR_OK
;
430 for (i
= 0; cmds
[i
].name
|| cmds
[i
].chain
; i
++)
432 const struct command_registration
*cr
= cmds
+ i
;
434 struct command
*c
= NULL
;
435 if (NULL
!= cr
->name
)
437 c
= register_command(cmd_ctx
, parent
, cr
);
444 if (NULL
!= cr
->chain
)
446 struct command
*p
= c
? : parent
;
447 retval
= register_commands(cmd_ctx
, p
, cr
->chain
);
448 if (ERROR_OK
!= retval
)
452 if (ERROR_OK
!= retval
)
454 for (unsigned j
= 0; j
< i
; j
++)
455 unregister_command(cmd_ctx
, parent
, cmds
[j
].name
);
460 int unregister_all_commands(struct command_context
*context
,
461 struct command
*parent
)
466 struct command
**head
= command_list_for_parent(context
, parent
);
467 while (NULL
!= *head
)
469 struct command
*tmp
= *head
;
477 int unregister_command(struct command_context
*context
,
478 struct command
*parent
, const char *name
)
480 if ((!context
) || (!name
))
481 return ERROR_INVALID_ARGUMENTS
;
483 struct command
*p
= NULL
;
484 struct command
**head
= command_list_for_parent(context
, parent
);
485 for (struct command
*c
= *head
; NULL
!= c
; p
= c
, c
= c
->next
)
487 if (strcmp(name
, c
->name
) != 0)
502 void command_set_handler_data(struct command
*c
, void *p
)
504 if (NULL
!= c
->handler
|| NULL
!= c
->jim_handler
)
505 c
->jim_handler_data
= p
;
506 for (struct command
*cc
= c
->children
; NULL
!= cc
; cc
= cc
->next
)
507 command_set_handler_data(cc
, p
);
510 void command_output_text(struct command_context
*context
, const char *data
)
512 if (context
&& context
->output_handler
&& data
) {
513 context
->output_handler(context
, data
);
517 void command_print_sameline(struct command_context
*context
, const char *format
, ...)
522 va_start(ap
, format
);
524 string
= alloc_vprintf(format
, ap
);
527 /* we want this collected in the log + we also want to pick it up as a tcl return
530 * The latter bit isn't precisely neat, but will do for now.
532 LOG_USER_N("%s", string
);
533 /* We already printed it above */
534 /* command_output_text(context, string); */
541 void command_print(struct command_context
*context
, const char *format
, ...)
546 va_start(ap
, format
);
548 string
= alloc_vprintf(format
, ap
);
551 strcat(string
, "\n"); /* alloc_vprintf guaranteed the buffer to be at least one char longer */
552 /* we want this collected in the log + we also want to pick it up as a tcl return
555 * The latter bit isn't precisely neat, but will do for now.
557 LOG_USER_N("%s", string
);
558 /* We already printed it above */
559 /* command_output_text(context, string); */
566 static char *__command_name(struct command
*c
, char delim
, unsigned extra
)
569 unsigned len
= strlen(c
->name
);
570 if (NULL
== c
->parent
) {
571 // allocate enough for the name, child names, and '\0'
572 name
= malloc(len
+ extra
+ 1);
573 strcpy(name
, c
->name
);
575 // parent's extra must include both the space and name
576 name
= __command_name(c
->parent
, delim
, 1 + len
+ extra
);
577 char dstr
[2] = { delim
, 0 };
579 strcat(name
, c
->name
);
583 char *command_name(struct command
*c
, char delim
)
585 return __command_name(c
, delim
, 0);
588 static bool command_can_run(struct command_context
*cmd_ctx
, struct command
*c
)
590 return c
->mode
== COMMAND_ANY
|| c
->mode
== cmd_ctx
->mode
;
593 static int run_command(struct command_context
*context
,
594 struct command
*c
, const char *words
[], unsigned num_words
)
596 if (!command_can_run(context
, c
))
598 /* Many commands may be run only before/after 'init' */
601 case COMMAND_CONFIG
: when
= "before"; break;
602 case COMMAND_EXEC
: when
= "after"; break;
603 // handle the impossible with humor; it guarantees a bug report!
604 default: when
= "if Cthulhu is summoned by"; break;
606 LOG_ERROR("The '%s' command must be used %s 'init'.",
611 struct command_invocation cmd
= {
615 .argc
= num_words
- 1,
618 int retval
= c
->handler(&cmd
);
619 if (retval
== ERROR_COMMAND_SYNTAX_ERROR
)
621 /* Print help for command */
622 char *full_name
= command_name(c
, ' ');
623 if (NULL
!= full_name
) {
624 command_run_linef(context
, "usage %s", full_name
);
629 else if (retval
== ERROR_COMMAND_CLOSE_CONNECTION
)
631 /* just fall through for a shutdown request */
633 else if (retval
!= ERROR_OK
)
635 /* we do not print out an error message because the command *should*
636 * have printed out an error
638 LOG_DEBUG("Command failed with error code %d", retval
);
644 int command_run_line(struct command_context
*context
, char *line
)
646 /* all the parent commands have been registered with the interpreter
647 * so, can just evaluate the line as a script and check for
650 /* run the line thru a script engine */
651 int retval
= ERROR_FAIL
;
653 /* Beware! This code needs to be reentrant. It is also possible
654 * for OpenOCD commands to be invoked directly from Tcl. This would
655 * happen when the Jim Tcl interpreter is provided by eCos for
658 Jim_Interp
*interp
= context
->interp
;
659 Jim_DeleteAssocData(interp
, "context");
660 retcode
= Jim_SetAssocData(interp
, "context", NULL
, context
);
661 if (retcode
== JIM_OK
)
663 /* associated the return value */
664 Jim_DeleteAssocData(interp
, "retval");
665 retcode
= Jim_SetAssocData(interp
, "retval", NULL
, &retval
);
666 if (retcode
== JIM_OK
)
668 retcode
= Jim_Eval_Named(interp
, line
, 0, 0);
670 Jim_DeleteAssocData(interp
, "retval");
672 Jim_DeleteAssocData(interp
, "context");
674 if (retcode
== JIM_ERR
) {
675 if (retval
!= ERROR_COMMAND_CLOSE_CONNECTION
)
677 /* We do not print the connection closed error message */
678 Jim_MakeErrorMessage(interp
);
679 LOG_USER("%s", Jim_GetString(Jim_GetResult(interp
), NULL
));
681 if (retval
== ERROR_OK
)
683 /* It wasn't a low level OpenOCD command that failed */
687 } else if (retcode
== JIM_EXIT
) {
689 /* exit(Jim_GetExitCode(interp)); */
694 result
= Jim_GetString(Jim_GetResult(interp
), &reslen
);
699 for (i
= 0; i
< reslen
; i
+= 256)
705 strncpy(buff
, result
+ i
, chunk
);
707 LOG_USER_N("%s", buff
);
716 int command_run_linef(struct command_context
*context
, const char *format
, ...)
718 int retval
= ERROR_FAIL
;
721 va_start(ap
, format
);
722 string
= alloc_vprintf(format
, ap
);
725 retval
= command_run_line(context
, string
);
732 void command_set_output_handler(struct command_context
* context
,
733 command_output_handler_t output_handler
, void *priv
)
735 context
->output_handler
= output_handler
;
736 context
->output_handler_priv
= priv
;
739 struct command_context
* copy_command_context(struct command_context
* context
)
741 struct command_context
* copy_context
= malloc(sizeof(struct command_context
));
743 *copy_context
= *context
;
748 void command_done(struct command_context
*cmd_ctx
)
756 /* find full path to file */
757 static int jim_find(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
761 const char *file
= Jim_GetString(argv
[1], NULL
);
762 char *full_path
= find_file(file
);
763 if (full_path
== NULL
)
765 Jim_Obj
*result
= Jim_NewStringObj(interp
, full_path
, strlen(full_path
));
768 Jim_SetResult(interp
, result
);
772 COMMAND_HANDLER(jim_echo
)
774 if (CMD_ARGC
== 2 && !strcmp(CMD_ARGV
[0], "-n"))
776 LOG_USER_N("%s", CMD_ARGV
[1]);
781 LOG_USER("%s", CMD_ARGV
[0]);
785 /* Capture progress output and return as tcl return value. If the
786 * progress output was empty, return tcl return value.
788 static int jim_capture(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
793 struct log_capture_state
*state
= command_log_capture_start(interp
);
795 /* disable polling during capture. This avoids capturing output
798 * This is necessary in order to avoid accidentially getting a non-empty
799 * string for tcl fn's.
801 bool save_poll
= jtag_poll_get_enabled();
803 jtag_poll_set_enabled(false);
805 const char *str
= Jim_GetString(argv
[1], NULL
);
806 int retcode
= Jim_Eval_Named(interp
, str
, __THIS__FILE__
, __LINE__
);
808 jtag_poll_set_enabled(save_poll
);
810 command_log_capture_finish(state
);
815 static COMMAND_HELPER(command_help_find
, struct command
*head
,
816 struct command
**out
)
819 return ERROR_INVALID_ARGUMENTS
;
820 *out
= command_find(head
, CMD_ARGV
[0]);
821 if (NULL
== *out
&& strncmp(CMD_ARGV
[0], "ocd_", 4) == 0)
822 *out
= command_find(head
, CMD_ARGV
[0] + 4);
824 return ERROR_INVALID_ARGUMENTS
;
828 return CALL_COMMAND_HANDLER(command_help_find
, (*out
)->children
, out
);
831 static COMMAND_HELPER(command_help_show
, struct command
*c
, unsigned n
,
832 bool show_help
, const char *match
);
834 static COMMAND_HELPER(command_help_show_list
, struct command
*head
, unsigned n
,
835 bool show_help
, const char *match
)
837 for (struct command
*c
= head
; NULL
!= c
; c
= c
->next
)
838 CALL_COMMAND_HANDLER(command_help_show
, c
, n
, show_help
, match
);
842 #define HELP_LINE_WIDTH(_n) (int)(76 - (2 * _n))
844 static void command_help_show_indent(unsigned n
)
846 for (unsigned i
= 0; i
< n
; i
++)
849 static void command_help_show_wrap(const char *str
, unsigned n
, unsigned n2
)
851 const char *cp
= str
, *last
= str
;
854 const char *next
= last
;
859 } while (*next
!= ' ' && *next
!= '\t' && *next
!= '\0');
860 } while ((next
- last
< HELP_LINE_WIDTH(n
)) && *next
!= '\0');
861 if (next
- last
< HELP_LINE_WIDTH(n
))
863 command_help_show_indent(n
);
864 LOG_USER("%.*s", (int)(cp
- last
), last
);
869 static COMMAND_HELPER(command_help_show
, struct command
*c
, unsigned n
,
870 bool show_help
, const char *match
)
872 char *cmd_name
= command_name(c
, ' ');
873 if (NULL
== cmd_name
)
876 /* If the match string occurs anywhere, we print out
877 * stuff for this command. */
878 bool is_match
= (strstr(cmd_name
, match
) != NULL
) ||
879 ((c
->usage
!= NULL
) && (strstr(c
->usage
, match
) != NULL
)) ||
880 ((c
->help
!= NULL
) && (strstr(c
->help
, match
) != NULL
));
884 command_help_show_indent(n
);
885 LOG_USER_N("%s", cmd_name
);
893 command_help_show_wrap(c
->usage
, 0, n
+ 5);
899 if (is_match
&& show_help
)
903 /* Normal commands are runtime-only; highlight exceptions */
904 if (c
->mode
!= COMMAND_EXEC
) {
905 const char *stage_msg
= "";
909 stage_msg
= " (configuration command)";
912 stage_msg
= " (command valid any time)";
915 stage_msg
= " (?mode error?)";
918 msg
= alloc_printf("%s%s", c
->help
? : "", stage_msg
);
920 msg
= alloc_printf("%s", c
->help
? : "");
924 command_help_show_wrap(msg
, n
+ 3, n
+ 3);
931 LOG_ERROR("command recursion exceeded");
935 return CALL_COMMAND_HANDLER(command_help_show_list
,
936 c
->children
, n
, show_help
, match
);
938 COMMAND_HANDLER(handle_help_command
)
940 bool full
= strcmp(CMD_NAME
, "help") == 0;
942 struct command
*c
= CMD_CTX
->commands
;
947 else if (CMD_ARGC
>= 1) {
950 for (i
= 0; i
< CMD_ARGC
; ++i
) {
954 match
= alloc_printf("%s %s", match
,
958 LOG_ERROR("unable to build "
963 match
= alloc_printf("%s", CMD_ARGV
[i
]);
965 LOG_ERROR("unable to build "
972 return ERROR_COMMAND_SYNTAX_ERROR
;
974 retval
= CALL_COMMAND_HANDLER(command_help_show_list
,
982 static int command_unknown_find(unsigned argc
, Jim_Obj
*const *argv
,
983 struct command
*head
, struct command
**out
, bool top_level
)
987 const char *cmd_name
= Jim_GetString(argv
[0], NULL
);
988 struct command
*c
= command_find(head
, cmd_name
);
989 if (NULL
== c
&& top_level
&& strncmp(cmd_name
, "ocd_", 4) == 0)
990 c
= command_find(head
, cmd_name
+ 4);
994 return command_unknown_find(--argc
, ++argv
, (*out
)->children
, out
, false);
998 static int command_unknown(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1000 const char *cmd_name
= Jim_GetString(argv
[0], NULL
);
1001 if (strcmp(cmd_name
, "unknown") == 0)
1008 script_debug(interp
, cmd_name
, argc
, argv
);
1010 struct command_context
*cmd_ctx
= current_command_context(interp
);
1011 struct command
*c
= cmd_ctx
->commands
;
1012 int remaining
= command_unknown_find(argc
, argv
, c
, &c
, true);
1013 // if nothing could be consumed, then it's really an unknown command
1014 if (remaining
== argc
)
1016 const char *cmd
= Jim_GetString(argv
[0], NULL
);
1017 LOG_ERROR("Unknown command:\n %s", cmd
);
1022 Jim_Obj
*const *start
;
1024 if (c
->handler
|| c
->jim_handler
)
1026 // include the command name in the list
1027 count
= remaining
+ 1;
1028 start
= argv
+ (argc
- remaining
- 1);
1032 c
= command_find(cmd_ctx
->commands
, "usage");
1035 LOG_ERROR("unknown command, but usage is missing too");
1038 count
= argc
- remaining
;
1042 // pass the command through to the intended handler
1045 interp
->cmdPrivData
= c
->jim_handler_data
;
1046 return (*c
->jim_handler
)(interp
, count
, start
);
1049 return script_command_run(interp
, count
, start
, c
, found
);
1052 static int jim_command_mode(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1054 struct command_context
*cmd_ctx
= current_command_context(interp
);
1055 enum command_mode mode
;
1059 struct command
*c
= cmd_ctx
->commands
;
1060 int remaining
= command_unknown_find(argc
- 1, argv
+ 1, c
, &c
, true);
1061 // if nothing could be consumed, then it's an unknown command
1062 if (remaining
== argc
- 1)
1064 Jim_SetResultString(interp
, "unknown", -1);
1070 mode
= cmd_ctx
->mode
;
1072 const char *mode_str
;
1074 case COMMAND_ANY
: mode_str
= "any"; break;
1075 case COMMAND_CONFIG
: mode_str
= "config"; break;
1076 case COMMAND_EXEC
: mode_str
= "exec"; break;
1077 default: mode_str
= "unknown"; break;
1079 Jim_SetResultString(interp
, mode_str
, -1);
1083 static int jim_command_type(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1088 struct command_context
*cmd_ctx
= current_command_context(interp
);
1089 struct command
*c
= cmd_ctx
->commands
;
1090 int remaining
= command_unknown_find(argc
- 1, argv
+ 1, c
, &c
, true);
1091 // if nothing could be consumed, then it's an unknown command
1092 if (remaining
== argc
- 1)
1094 Jim_SetResultString(interp
, "unknown", -1);
1099 Jim_SetResultString(interp
, "native", -1);
1100 else if (c
->handler
)
1101 Jim_SetResultString(interp
, "simple", -1);
1103 Jim_SetResultString(interp
, "group", -1);
1108 int help_add_command(struct command_context
*cmd_ctx
, struct command
*parent
,
1109 const char *cmd_name
, const char *help_text
, const char *usage
)
1111 struct command
**head
= command_list_for_parent(cmd_ctx
, parent
);
1112 struct command
*nc
= command_find(*head
, cmd_name
);
1115 // add a new command with help text
1116 struct command_registration cr
= {
1118 .mode
= COMMAND_ANY
,
1122 nc
= register_command(cmd_ctx
, parent
, &cr
);
1125 LOG_ERROR("failed to add '%s' help text", cmd_name
);
1128 LOG_DEBUG("added '%s' help text", cmd_name
);
1133 bool replaced
= false;
1136 free((void *)nc
->help
);
1139 nc
->help
= strdup(help_text
);
1141 LOG_INFO("replaced existing '%s' help", cmd_name
);
1143 LOG_DEBUG("added '%s' help text", cmd_name
);
1147 bool replaced
= false;
1150 free((void *)nc
->usage
);
1153 nc
->usage
= strdup(usage
);
1155 LOG_INFO("replaced existing '%s' usage", cmd_name
);
1157 LOG_DEBUG("added '%s' usage text", cmd_name
);
1162 COMMAND_HANDLER(handle_help_add_command
)
1166 LOG_ERROR("%s: insufficient arguments", CMD_NAME
);
1167 return ERROR_INVALID_ARGUMENTS
;
1170 // save help text and remove it from argument list
1171 const char *str
= CMD_ARGV
[--CMD_ARGC
];
1172 const char *help
= !strcmp(CMD_NAME
, "add_help_text") ? str
: NULL
;
1173 const char *usage
= !strcmp(CMD_NAME
, "add_usage_text") ? str
: NULL
;
1174 if (!help
&& !usage
)
1176 LOG_ERROR("command name '%s' is unknown", CMD_NAME
);
1177 return ERROR_INVALID_ARGUMENTS
;
1179 // likewise for the leaf command name
1180 const char *cmd_name
= CMD_ARGV
[--CMD_ARGC
];
1182 struct command
*c
= NULL
;
1185 c
= CMD_CTX
->commands
;
1186 int retval
= CALL_COMMAND_HANDLER(command_help_find
, c
, &c
);
1187 if (ERROR_OK
!= retval
)
1190 return help_add_command(CMD_CTX
, c
, cmd_name
, help
, usage
);
1193 /* sleep command sleeps for <n> milliseconds
1194 * this is useful in target startup scripts
1196 COMMAND_HANDLER(handle_sleep_command
)
1201 if (strcmp(CMD_ARGV
[1], "busy") == 0)
1204 return ERROR_COMMAND_SYNTAX_ERROR
;
1206 else if (CMD_ARGC
< 1 || CMD_ARGC
> 2)
1207 return ERROR_COMMAND_SYNTAX_ERROR
;
1209 unsigned long duration
= 0;
1210 int retval
= parse_ulong(CMD_ARGV
[0], &duration
);
1211 if (ERROR_OK
!= retval
)
1216 long long then
= timeval_ms();
1217 while (timeval_ms() - then
< (long long)duration
)
1219 target_call_timer_callbacks_now();
1224 busy_sleep(duration
);
1229 static const struct command_registration command_subcommand_handlers
[] = {
1232 .mode
= COMMAND_ANY
,
1233 .jim_handler
= jim_command_mode
,
1234 .usage
= "[command_name ...]",
1235 .help
= "Returns the command modes allowed by a command:"
1236 "'any', 'config', or 'exec'. If no command is"
1237 "specified, returns the current command mode. "
1238 "Returns 'unknown' if an unknown command is given. "
1239 "Command can be multiple tokens.",
1243 .mode
= COMMAND_ANY
,
1244 .jim_handler
= jim_command_type
,
1245 .usage
= "command_name [...]",
1246 .help
= "Returns the type of built-in command:"
1247 "'native', 'simple', 'group', or 'unknown'. "
1248 "Command can be multiple tokens.",
1250 COMMAND_REGISTRATION_DONE
1253 static const struct command_registration command_builtin_handlers
[] = {
1256 .handler
= jim_echo
,
1257 .mode
= COMMAND_ANY
,
1258 .help
= "Logs a message at \"user\" priority. "
1259 "Output message to stdout. "
1260 "Option \"-n\" suppresses trailing newline",
1261 .usage
= "[-n] string",
1264 .name
= "add_help_text",
1265 .handler
= handle_help_add_command
,
1266 .mode
= COMMAND_ANY
,
1267 .help
= "Add new command help text; "
1268 "Command can be multiple tokens.",
1269 .usage
= "command_name helptext_string",
1272 .name
= "add_usage_text",
1273 .handler
= handle_help_add_command
,
1274 .mode
= COMMAND_ANY
,
1275 .help
= "Add new command usage text; "
1276 "command can be multiple tokens.",
1277 .usage
= "command_name usage_string",
1281 .handler
= handle_sleep_command
,
1282 .mode
= COMMAND_ANY
,
1283 .help
= "Sleep for specified number of milliseconds. "
1284 "\"busy\" will busy wait instead (avoid this).",
1285 .usage
= "milliseconds ['busy']",
1289 .handler
= handle_help_command
,
1290 .mode
= COMMAND_ANY
,
1291 .help
= "Show full command help; "
1292 "command can be multiple tokens.",
1293 .usage
= "[command_name]",
1297 .handler
= handle_help_command
,
1298 .mode
= COMMAND_ANY
,
1299 .help
= "Show basic command usage; "
1300 "command can be multiple tokens.",
1301 .usage
= "[command_name]",
1306 .help
= "core command group (introspection)",
1307 .chain
= command_subcommand_handlers
,
1309 COMMAND_REGISTRATION_DONE
1312 struct command_context
* command_init(const char *startup_tcl
, Jim_Interp
*interp
)
1314 struct command_context
* context
= malloc(sizeof(struct command_context
));
1317 context
->mode
= COMMAND_EXEC
;
1318 context
->commands
= NULL
;
1319 context
->current_target
= 0;
1320 context
->output_handler
= NULL
;
1321 context
->output_handler_priv
= NULL
;
1323 #if !BUILD_ECOSBOARD
1324 /* Create a jim interpreter if we were not handed one */
1327 /* Create an interpreter */
1328 interp
= Jim_CreateInterp();
1329 /* Add all the Jim core commands */
1330 Jim_RegisterCoreCommands(interp
);
1331 Jim_InitStaticExtensions(interp
);
1334 context
->interp
= interp
;
1336 /* Stick to lowercase for HostOS strings. */
1337 #if defined(_MSC_VER)
1338 /* WinXX - is generic, the forward
1339 * looking problem is this:
1341 * "win32" or "win64"
1343 * "winxx" is generic.
1346 #elif defined(__linux__)
1348 #elif defined(__APPLE__) || defined(__DARWIN__)
1350 #elif defined(__CYGWIN__)
1352 #elif defined(__MINGW32__)
1354 #elif defined(__ECOS)
1356 #elif defined(__FreeBSD__)
1359 #warning "Unrecognized host OS..."
1362 Jim_SetGlobalVariableStr(interp
, "ocd_HOSTOS",
1363 Jim_NewStringObj(interp
, HostOs
, strlen(HostOs
)));
1365 Jim_CreateCommand(interp
, "ocd_find", jim_find
, NULL
, NULL
);
1366 Jim_CreateCommand(interp
, "capture", jim_capture
, NULL
, NULL
);
1368 register_commands(context
, NULL
, command_builtin_handlers
);
1370 Jim_SetAssocData(interp
, "context", NULL
, context
);
1371 if (Jim_Eval_Named(interp
, startup_tcl
, "embedded:startup.tcl",1) == JIM_ERR
)
1373 LOG_ERROR("Failed to run startup.tcl (embedded into OpenOCD)");
1374 Jim_MakeErrorMessage(interp
);
1375 LOG_USER_N("%s", Jim_GetString(Jim_GetResult(interp
), NULL
));
1378 Jim_DeleteAssocData(interp
, "context");
1383 int command_context_mode(struct command_context
*cmd_ctx
, enum command_mode mode
)
1386 return ERROR_INVALID_ARGUMENTS
;
1388 cmd_ctx
->mode
= mode
;
1392 void process_jim_events(struct command_context
*cmd_ctx
)
1394 #if !BUILD_ECOSBOARD
1395 static int recursion
= 0;
1400 Jim_ProcessEvents(cmd_ctx
->interp
, JIM_ALL_EVENTS
| JIM_DONT_WAIT
);
1405 #define DEFINE_PARSE_NUM_TYPE(name, type, func, min, max) \
1406 int parse##name(const char *str, type *ul) \
1410 LOG_ERROR("Invalid command argument"); \
1411 return ERROR_COMMAND_ARGUMENT_INVALID; \
1414 *ul = func(str, &end, 0); \
1417 LOG_ERROR("Invalid command argument"); \
1418 return ERROR_COMMAND_ARGUMENT_INVALID; \
1420 if ((max == *ul) && (ERANGE == errno)) \
1422 LOG_ERROR("Argument overflow"); \
1423 return ERROR_COMMAND_ARGUMENT_OVERFLOW; \
1425 if (min && (min == *ul) && (ERANGE == errno)) \
1427 LOG_ERROR("Argument underflow"); \
1428 return ERROR_COMMAND_ARGUMENT_UNDERFLOW; \
1432 DEFINE_PARSE_NUM_TYPE(_ulong
, unsigned long , strtoul
, 0, ULONG_MAX
)
1433 DEFINE_PARSE_NUM_TYPE(_ullong
, unsigned long long, strtoull
, 0, ULLONG_MAX
)
1434 DEFINE_PARSE_NUM_TYPE(_long
, long , strtol
, LONG_MIN
, LONG_MAX
)
1435 DEFINE_PARSE_NUM_TYPE(_llong
, long long, strtoll
, LLONG_MIN
, LLONG_MAX
)
1437 #define DEFINE_PARSE_WRAPPER(name, type, min, max, functype, funcname) \
1438 int parse##name(const char *str, type *ul) \
1441 int retval = parse##funcname(str, &n); \
1442 if (ERROR_OK != retval) \
1445 return ERROR_COMMAND_ARGUMENT_OVERFLOW; \
1447 return ERROR_COMMAND_ARGUMENT_UNDERFLOW; \
1452 #define DEFINE_PARSE_ULONG(name, type, min, max) \
1453 DEFINE_PARSE_WRAPPER(name, type, min, max, unsigned long, _ulong)
1454 DEFINE_PARSE_ULONG(_uint
, unsigned, 0, UINT_MAX
)
1455 DEFINE_PARSE_ULONG(_u32
, uint32_t, 0, UINT32_MAX
)
1456 DEFINE_PARSE_ULONG(_u16
, uint16_t, 0, UINT16_MAX
)
1457 DEFINE_PARSE_ULONG(_u8
, uint8_t, 0, UINT8_MAX
)
1459 #define DEFINE_PARSE_LONG(name, type, min, max) \
1460 DEFINE_PARSE_WRAPPER(name, type, min, max, long, _long)
1461 DEFINE_PARSE_LONG(_int
, int, n
< INT_MIN
, INT_MAX
)
1462 DEFINE_PARSE_LONG(_s32
, int32_t, n
< INT32_MIN
, INT32_MAX
)
1463 DEFINE_PARSE_LONG(_s16
, int16_t, n
< INT16_MIN
, INT16_MAX
)
1464 DEFINE_PARSE_LONG(_s8
, int8_t, n
< INT8_MIN
, INT8_MAX
)
1466 static int command_parse_bool(const char *in
, bool *out
,
1467 const char *on
, const char *off
)
1469 if (strcasecmp(in
, on
) == 0)
1471 else if (strcasecmp(in
, off
) == 0)
1474 return ERROR_COMMAND_SYNTAX_ERROR
;
1478 int command_parse_bool_arg(const char *in
, bool *out
)
1480 if (command_parse_bool(in
, out
, "on", "off") == ERROR_OK
)
1482 if (command_parse_bool(in
, out
, "enable", "disable") == ERROR_OK
)
1484 if (command_parse_bool(in
, out
, "true", "false") == ERROR_OK
)
1486 if (command_parse_bool(in
, out
, "yes", "no") == ERROR_OK
)
1488 if (command_parse_bool(in
, out
, "1", "0") == ERROR_OK
)
1490 return ERROR_INVALID_ARGUMENTS
;
1493 COMMAND_HELPER(handle_command_parse_bool
, bool *out
, const char *label
)
1497 const char *in
= CMD_ARGV
[0];
1498 if (command_parse_bool_arg(in
, out
) != ERROR_OK
)
1500 LOG_ERROR("%s: argument '%s' is not valid", CMD_NAME
, in
);
1501 return ERROR_INVALID_ARGUMENTS
;
1506 LOG_INFO("%s is %s", label
, *out
? "enabled" : "disabled");
1509 return ERROR_INVALID_ARGUMENTS
;
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