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, see <http://www.gnu.org/licenses/>. *
26 ***************************************************************************/
32 /* see Embedded-HOWTO.txt in Jim Tcl project hosted on BerliOS*/
35 /* @todo the inclusion of target.h here is a layering violation */
36 #include <jtag/jtag.h>
37 #include <target/target.h>
39 #include "configuration.h"
41 #include "time_support.h"
42 #include "jim-eventloop.h"
44 /* nice short description of source file */
45 #define __THIS__FILE__ "command.c"
47 static int run_command(struct command_context
*context
,
48 struct command
*c
, const char *words
[], unsigned num_words
);
50 struct log_capture_state
{
55 static int unregister_command(struct command_context
*context
,
56 struct command
*parent
, const char *name
);
57 static char *command_name(struct command
*c
, char delim
);
59 static void tcl_output(void *privData
, const char *file
, unsigned line
,
60 const char *function
, const char *string
)
62 struct log_capture_state
*state
= privData
;
63 Jim_AppendString(state
->interp
, state
->output
, string
, strlen(string
));
66 static struct log_capture_state
*command_log_capture_start(Jim_Interp
*interp
)
68 /* capture log output and return it. A garbage collect can
69 * happen, so we need a reference count to this object */
70 Jim_Obj
*tclOutput
= Jim_NewStringObj(interp
, "", 0);
71 if (NULL
== tclOutput
)
74 struct log_capture_state
*state
= malloc(sizeof(*state
));
78 state
->interp
= interp
;
79 Jim_IncrRefCount(tclOutput
);
80 state
->output
= tclOutput
;
82 log_add_callback(tcl_output
, state
);
87 /* Classic openocd commands provide progress output which we
88 * will capture and return as a Tcl return value.
90 * However, if a non-openocd command has been invoked, then it
91 * makes sense to return the tcl return value from that command.
93 * The tcl return value is empty for openocd commands that provide
96 * Therefore we set the tcl return value only if we actually
99 static void command_log_capture_finish(struct log_capture_state
*state
)
104 log_remove_callback(tcl_output
, state
);
107 Jim_GetString(state
->output
, &length
);
110 Jim_SetResult(state
->interp
, state
->output
);
112 /* No output captured, use tcl return value (which could
115 Jim_DecrRefCount(state
->interp
, state
->output
);
120 static int command_retval_set(Jim_Interp
*interp
, int retval
)
122 int *return_retval
= Jim_GetAssocData(interp
, "retval");
123 if (return_retval
!= NULL
)
124 *return_retval
= retval
;
126 return (retval
== ERROR_OK
) ? JIM_OK
: retval
;
129 extern struct command_context
*global_cmd_ctx
;
131 /* dump a single line to the log for the command.
132 * Do nothing in case we are not at debug level 3 */
133 void script_debug(Jim_Interp
*interp
, unsigned int argc
, Jim_Obj
* const *argv
)
135 if (debug_level
< LOG_LVL_DEBUG
)
138 char *dbg
= alloc_printf("command -");
139 for (unsigned i
= 0; i
< argc
; i
++) {
141 const char *w
= Jim_GetString(argv
[i
], &len
);
142 char *t
= alloc_printf("%s %s", dbg
, w
);
146 LOG_DEBUG("%s", dbg
);
150 static void script_command_args_free(char **words
, unsigned nwords
)
152 for (unsigned i
= 0; i
< nwords
; i
++)
157 static char **script_command_args_alloc(
158 unsigned argc
, Jim_Obj
* const *argv
, unsigned *nwords
)
160 char **words
= malloc(argc
* sizeof(char *));
165 for (i
= 0; i
< argc
; i
++) {
167 const char *w
= Jim_GetString(argv
[i
], &len
);
168 words
[i
] = strdup(w
);
169 if (words
[i
] == NULL
) {
170 script_command_args_free(words
, i
);
178 struct command_context
*current_command_context(Jim_Interp
*interp
)
180 /* grab the command context from the associated data */
181 struct command_context
*cmd_ctx
= Jim_GetAssocData(interp
, "context");
182 if (NULL
== cmd_ctx
) {
183 /* Tcl can invoke commands directly instead of via command_run_line(). This would
184 * happen when the Jim Tcl interpreter is provided by eCos or if we are running
185 * commands in a startup script.
187 * A telnet or gdb server would provide a non-default command context to
188 * handle piping of error output, have a separate current target, etc.
190 cmd_ctx
= global_cmd_ctx
;
195 static int script_command_run(Jim_Interp
*interp
,
196 int argc
, Jim_Obj
* const *argv
, struct command
*c
)
198 target_call_timer_callbacks_now();
199 LOG_USER_N("%s", ""); /* Keep GDB connection alive*/
202 char **words
= script_command_args_alloc(argc
, argv
, &nwords
);
206 struct command_context
*cmd_ctx
= current_command_context(interp
);
207 int retval
= run_command(cmd_ctx
, c
, (const char **)words
, nwords
);
209 script_command_args_free(words
, nwords
);
210 return command_retval_set(interp
, retval
);
213 static int script_command(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
215 /* the private data is stashed in the interp structure */
217 struct command
*c
= interp
->cmdPrivData
;
219 script_debug(interp
, argc
, argv
);
220 return script_command_run(interp
, argc
, argv
, c
);
223 static struct command
*command_root(struct command
*c
)
225 while (NULL
!= c
->parent
)
231 * Find a command by name from a list of commands.
232 * @returns Returns the named command if it exists in the list.
233 * Returns NULL otherwise.
235 static struct command
*command_find(struct command
*head
, const char *name
)
237 for (struct command
*cc
= head
; cc
; cc
= cc
->next
) {
238 if (strcmp(cc
->name
, name
) == 0)
244 struct command
*command_find_in_context(struct command_context
*cmd_ctx
,
247 return command_find(cmd_ctx
->commands
, name
);
251 * Add the command into the linked list, sorted by name.
252 * @param head Address to head of command list pointer, which may be
253 * updated if @c c gets inserted at the beginning of the list.
254 * @param c The command to add to the list pointed to by @c head.
256 static void command_add_child(struct command
**head
, struct command
*c
)
264 while ((*head
)->next
&& (strcmp(c
->name
, (*head
)->name
) > 0))
265 head
= &(*head
)->next
;
267 if (strcmp(c
->name
, (*head
)->name
) > 0) {
268 c
->next
= (*head
)->next
;
276 static struct command
**command_list_for_parent(
277 struct command_context
*cmd_ctx
, struct command
*parent
)
279 return parent
? &parent
->children
: &cmd_ctx
->commands
;
282 static void command_free(struct command
*c
)
284 /** @todo if command has a handler, unregister its jim command! */
286 while (NULL
!= c
->children
) {
287 struct command
*tmp
= c
->children
;
288 c
->children
= tmp
->next
;
298 static struct command
*command_new(struct command_context
*cmd_ctx
,
299 struct command
*parent
, const struct command_registration
*cr
)
304 * If it is a non-jim command with no .usage specified,
307 * strlen(.usage) == 0 means that the command takes no
310 if ((cr
->jim_handler
== NULL
) && (cr
->usage
== NULL
)) {
311 LOG_ERROR("BUG: command '%s%s%s' does not have the "
312 "'.usage' field filled out",
313 parent
&& parent
->name
? parent
->name
: "",
314 parent
&& parent
->name
? " " : "",
318 struct command
*c
= calloc(1, sizeof(struct command
));
322 c
->name
= strdup(cr
->name
);
324 c
->help
= strdup(cr
->help
);
326 c
->usage
= strdup(cr
->usage
);
328 if (!c
->name
|| (cr
->help
&& !c
->help
) || (cr
->usage
&& !c
->usage
))
329 goto command_new_error
;
332 c
->handler
= cr
->handler
;
333 c
->jim_handler
= cr
->jim_handler
;
336 command_add_child(command_list_for_parent(cmd_ctx
, parent
), c
);
345 static int command_unknown(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
);
347 static int register_command_handler(struct command_context
*cmd_ctx
,
350 Jim_Interp
*interp
= cmd_ctx
->interp
;
353 LOG_DEBUG("registering '%s'...", c
->name
);
356 Jim_CmdProc
*func
= c
->handler
? &script_command
: &command_unknown
;
357 int retval
= Jim_CreateCommand(interp
, c
->name
, func
, c
, NULL
);
362 static struct command
*register_command(struct command_context
*context
,
363 struct command
*parent
, const struct command_registration
*cr
)
365 if (!context
|| !cr
->name
)
368 const char *name
= cr
->name
;
369 struct command
**head
= command_list_for_parent(context
, parent
);
370 struct command
*c
= command_find(*head
, name
);
372 /* TODO: originally we treated attempting to register a cmd twice as an error
373 * Sometimes we need this behaviour, such as with flash banks.
374 * http://www.mail-archive.com/openocd-development@lists.berlios.de/msg11152.html */
375 LOG_DEBUG("command '%s' is already registered in '%s' context",
376 name
, parent
? parent
->name
: "<global>");
380 c
= command_new(context
, parent
, cr
);
385 if (NULL
!= cr
->jim_handler
&& NULL
== parent
) {
386 retval
= Jim_CreateCommand(context
->interp
, cr
->name
,
387 cr
->jim_handler
, NULL
, NULL
);
388 } else if (NULL
!= cr
->handler
|| NULL
!= parent
)
389 retval
= register_command_handler(context
, command_root(c
));
391 if (retval
!= JIM_OK
) {
392 unregister_command(context
, parent
, name
);
398 int register_commands(struct command_context
*cmd_ctx
, struct command
*parent
,
399 const struct command_registration
*cmds
)
401 int retval
= ERROR_OK
;
403 for (i
= 0; cmds
[i
].name
|| cmds
[i
].chain
; i
++) {
404 const struct command_registration
*cr
= cmds
+ i
;
406 struct command
*c
= NULL
;
407 if (NULL
!= cr
->name
) {
408 c
= register_command(cmd_ctx
, parent
, cr
);
414 if (NULL
!= cr
->chain
) {
415 struct command
*p
= c
? : parent
;
416 retval
= register_commands(cmd_ctx
, p
, cr
->chain
);
417 if (ERROR_OK
!= retval
)
421 if (ERROR_OK
!= retval
) {
422 for (unsigned j
= 0; j
< i
; j
++)
423 unregister_command(cmd_ctx
, parent
, cmds
[j
].name
);
428 int unregister_all_commands(struct command_context
*context
,
429 struct command
*parent
)
434 struct command
**head
= command_list_for_parent(context
, parent
);
435 while (NULL
!= *head
) {
436 struct command
*tmp
= *head
;
444 static int unregister_command(struct command_context
*context
,
445 struct command
*parent
, const char *name
)
447 if ((!context
) || (!name
))
448 return ERROR_COMMAND_SYNTAX_ERROR
;
450 struct command
*p
= NULL
;
451 struct command
**head
= command_list_for_parent(context
, parent
);
452 for (struct command
*c
= *head
; NULL
!= c
; p
= c
, c
= c
->next
) {
453 if (strcmp(name
, c
->name
) != 0)
468 void command_set_handler_data(struct command
*c
, void *p
)
470 if (NULL
!= c
->handler
|| NULL
!= c
->jim_handler
)
471 c
->jim_handler_data
= p
;
472 for (struct command
*cc
= c
->children
; NULL
!= cc
; cc
= cc
->next
)
473 command_set_handler_data(cc
, p
);
476 void command_output_text(struct command_context
*context
, const char *data
)
478 if (context
&& context
->output_handler
&& data
)
479 context
->output_handler(context
, data
);
482 void command_print_sameline(struct command_invocation
*cmd
, const char *format
, ...)
487 va_start(ap
, format
);
489 string
= alloc_vprintf(format
, ap
);
490 if (string
!= NULL
&& cmd
) {
491 /* we want this collected in the log + we also want to pick it up as a tcl return
494 * The latter bit isn't precisely neat, but will do for now.
496 Jim_AppendString(cmd
->ctx
->interp
, cmd
->output
, string
, -1);
497 /* We already printed it above
498 * command_output_text(context, string); */
505 void command_print(struct command_invocation
*cmd
, const char *format
, ...)
510 va_start(ap
, format
);
512 string
= alloc_vprintf(format
, ap
);
513 if (string
!= NULL
&& cmd
) {
514 strcat(string
, "\n"); /* alloc_vprintf guaranteed the buffer to be at least one
516 /* we want this collected in the log + we also want to pick it up as a tcl return
519 * The latter bit isn't precisely neat, but will do for now.
521 Jim_AppendString(cmd
->ctx
->interp
, cmd
->output
, string
, -1);
522 /* We already printed it above
523 * command_output_text(context, string); */
530 static char *__command_name(struct command
*c
, char delim
, unsigned extra
)
533 unsigned len
= strlen(c
->name
);
534 if (NULL
== c
->parent
) {
535 /* allocate enough for the name, child names, and '\0' */
536 name
= malloc(len
+ extra
+ 1);
538 LOG_ERROR("Out of memory");
541 strcpy(name
, c
->name
);
543 /* parent's extra must include both the space and name */
544 name
= __command_name(c
->parent
, delim
, 1 + len
+ extra
);
545 char dstr
[2] = { delim
, 0 };
547 strcat(name
, c
->name
);
552 static char *command_name(struct command
*c
, char delim
)
554 return __command_name(c
, delim
, 0);
557 static bool command_can_run(struct command_context
*cmd_ctx
, struct command
*c
)
559 if (c
->mode
== COMMAND_ANY
|| c
->mode
== cmd_ctx
->mode
)
562 /* Many commands may be run only before/after 'init' */
571 /* handle the impossible with humor; it guarantees a bug report! */
573 when
= "if Cthulhu is summoned by";
576 char *full_name
= command_name(c
, ' ');
577 LOG_ERROR("The '%s' command must be used %s 'init'.",
578 full_name
? full_name
: c
->name
, when
);
583 static int run_command(struct command_context
*context
,
584 struct command
*c
, const char *words
[], unsigned num_words
)
586 if (!command_can_run(context
, c
))
589 struct command_invocation cmd
= {
593 .argc
= num_words
- 1,
596 /* Black magic of overridden current target:
597 * If the command we are going to handle has a target prefix,
598 * override the current target temporarily for the time
599 * of processing the command.
600 * current_target_override is used also for event handlers
601 * therefore we prevent touching it if command has no prefix.
602 * Previous override is saved and restored back to ensure
603 * correct work when run_command() is re-entered. */
604 struct target
*saved_target_override
= context
->current_target_override
;
605 if (c
->jim_handler_data
)
606 context
->current_target_override
= c
->jim_handler_data
;
608 cmd
.output
= Jim_NewEmptyStringObj(context
->interp
);
609 Jim_IncrRefCount(cmd
.output
);
611 int retval
= c
->handler(&cmd
);
613 if (c
->jim_handler_data
)
614 context
->current_target_override
= saved_target_override
;
616 if (retval
== ERROR_COMMAND_SYNTAX_ERROR
) {
617 /* Print help for command */
618 char *full_name
= command_name(c
, ' ');
619 if (NULL
!= full_name
) {
620 command_run_linef(context
, "usage %s", full_name
);
623 } else if (retval
== ERROR_COMMAND_CLOSE_CONNECTION
) {
624 /* just fall through for a shutdown request */
626 if (retval
!= ERROR_OK
) {
627 char *full_name
= command_name(c
, ' ');
628 LOG_DEBUG("Command '%s' failed with error code %d",
629 full_name
? full_name
: c
->name
, retval
);
632 /* Use the command output as the Tcl result */
633 Jim_SetResult(context
->interp
, cmd
.output
);
635 Jim_DecrRefCount(context
->interp
, cmd
.output
);
640 int command_run_line(struct command_context
*context
, char *line
)
642 /* all the parent commands have been registered with the interpreter
643 * so, can just evaluate the line as a script and check for
646 /* run the line thru a script engine */
647 int retval
= ERROR_FAIL
;
649 /* Beware! This code needs to be reentrant. It is also possible
650 * for OpenOCD commands to be invoked directly from Tcl. This would
651 * happen when the Jim Tcl interpreter is provided by eCos for
654 struct target
*saved_target_override
= context
->current_target_override
;
655 context
->current_target_override
= NULL
;
657 Jim_Interp
*interp
= context
->interp
;
658 struct command_context
*old_context
= Jim_GetAssocData(interp
, "context");
659 Jim_DeleteAssocData(interp
, "context");
660 retcode
= Jim_SetAssocData(interp
, "context", NULL
, context
);
661 if (retcode
== JIM_OK
) {
662 /* associated the return value */
663 Jim_DeleteAssocData(interp
, "retval");
664 retcode
= Jim_SetAssocData(interp
, "retval", NULL
, &retval
);
665 if (retcode
== JIM_OK
) {
666 retcode
= Jim_Eval_Named(interp
, line
, 0, 0);
668 Jim_DeleteAssocData(interp
, "retval");
670 Jim_DeleteAssocData(interp
, "context");
671 int inner_retcode
= Jim_SetAssocData(interp
, "context", NULL
, old_context
);
672 if (retcode
== JIM_OK
)
673 retcode
= inner_retcode
;
675 context
->current_target_override
= saved_target_override
;
676 if (retcode
== JIM_OK
) {
680 result
= Jim_GetString(Jim_GetResult(interp
), &reslen
);
682 command_output_text(context
, result
);
683 command_output_text(context
, "\n");
686 } else if (retcode
== JIM_EXIT
) {
688 * exit(Jim_GetExitCode(interp)); */
689 } else if (retcode
== ERROR_COMMAND_CLOSE_CONNECTION
) {
692 Jim_MakeErrorMessage(interp
);
693 /* error is broadcast */
694 LOG_USER("%s", Jim_GetString(Jim_GetResult(interp
), NULL
));
696 if (retval
== ERROR_OK
) {
697 /* It wasn't a low level OpenOCD command that failed */
706 int command_run_linef(struct command_context
*context
, const char *format
, ...)
708 int retval
= ERROR_FAIL
;
711 va_start(ap
, format
);
712 string
= alloc_vprintf(format
, ap
);
713 if (string
!= NULL
) {
714 retval
= command_run_line(context
, string
);
721 void command_set_output_handler(struct command_context
*context
,
722 command_output_handler_t output_handler
, void *priv
)
724 context
->output_handler
= output_handler
;
725 context
->output_handler_priv
= priv
;
728 struct command_context
*copy_command_context(struct command_context
*context
)
730 struct command_context
*copy_context
= malloc(sizeof(struct command_context
));
732 *copy_context
= *context
;
737 void command_done(struct command_context
*cmd_ctx
)
745 /* find full path to file */
746 static int jim_find(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
750 const char *file
= Jim_GetString(argv
[1], NULL
);
751 char *full_path
= find_file(file
);
752 if (full_path
== NULL
)
754 Jim_Obj
*result
= Jim_NewStringObj(interp
, full_path
, strlen(full_path
));
757 Jim_SetResult(interp
, result
);
761 COMMAND_HANDLER(jim_echo
)
763 if (CMD_ARGC
== 2 && !strcmp(CMD_ARGV
[0], "-n")) {
764 LOG_USER_N("%s", CMD_ARGV
[1]);
769 LOG_USER("%s", CMD_ARGV
[0]);
773 /* Capture progress output and return as tcl return value. If the
774 * progress output was empty, return tcl return value.
776 static int jim_capture(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
781 struct log_capture_state
*state
= command_log_capture_start(interp
);
783 /* disable polling during capture. This avoids capturing output
786 * This is necessary in order to avoid accidentally getting a non-empty
787 * string for tcl fn's.
789 bool save_poll
= jtag_poll_get_enabled();
791 jtag_poll_set_enabled(false);
793 const char *str
= Jim_GetString(argv
[1], NULL
);
794 int retcode
= Jim_Eval_Named(interp
, str
, __THIS__FILE__
, __LINE__
);
796 jtag_poll_set_enabled(save_poll
);
798 command_log_capture_finish(state
);
803 static COMMAND_HELPER(command_help_find
, struct command
*head
,
804 struct command
**out
)
807 return ERROR_COMMAND_SYNTAX_ERROR
;
808 *out
= command_find(head
, CMD_ARGV
[0]);
810 return ERROR_COMMAND_SYNTAX_ERROR
;
814 return CALL_COMMAND_HANDLER(command_help_find
, (*out
)->children
, out
);
817 static COMMAND_HELPER(command_help_show
, struct command
*c
, unsigned n
,
818 bool show_help
, const char *cmd_match
);
820 static COMMAND_HELPER(command_help_show_list
, struct command
*head
, unsigned n
,
821 bool show_help
, const char *cmd_match
)
823 for (struct command
*c
= head
; NULL
!= c
; c
= c
->next
)
824 CALL_COMMAND_HANDLER(command_help_show
, c
, n
, show_help
, cmd_match
);
828 #define HELP_LINE_WIDTH(_n) (int)(76 - (2 * _n))
830 static void command_help_show_indent(unsigned n
)
832 for (unsigned i
= 0; i
< n
; i
++)
835 static void command_help_show_wrap(const char *str
, unsigned n
, unsigned n2
)
837 const char *cp
= str
, *last
= str
;
839 const char *next
= last
;
844 } while (*next
!= ' ' && *next
!= '\t' && *next
!= '\0');
845 } while ((next
- last
< HELP_LINE_WIDTH(n
)) && *next
!= '\0');
846 if (next
- last
< HELP_LINE_WIDTH(n
))
848 command_help_show_indent(n
);
849 LOG_USER("%.*s", (int)(cp
- last
), last
);
855 static COMMAND_HELPER(command_help_show
, struct command
*c
, unsigned n
,
856 bool show_help
, const char *cmd_match
)
858 char *cmd_name
= command_name(c
, ' ');
859 if (NULL
== cmd_name
)
862 /* If the match string occurs anywhere, we print out
863 * stuff for this command. */
864 bool is_match
= (strstr(cmd_name
, cmd_match
) != NULL
) ||
865 ((c
->usage
!= NULL
) && (strstr(c
->usage
, cmd_match
) != NULL
)) ||
866 ((c
->help
!= NULL
) && (strstr(c
->help
, cmd_match
) != NULL
));
869 command_help_show_indent(n
);
870 LOG_USER_N("%s", cmd_name
);
875 if (c
->usage
&& strlen(c
->usage
) > 0) {
877 command_help_show_wrap(c
->usage
, 0, n
+ 5);
882 if (is_match
&& show_help
) {
885 /* Normal commands are runtime-only; highlight exceptions */
886 if (c
->mode
!= COMMAND_EXEC
) {
887 const char *stage_msg
= "";
891 stage_msg
= " (configuration command)";
894 stage_msg
= " (command valid any time)";
897 stage_msg
= " (?mode error?)";
900 msg
= alloc_printf("%s%s", c
->help
? : "", stage_msg
);
902 msg
= alloc_printf("%s", c
->help
? : "");
905 command_help_show_wrap(msg
, n
+ 3, n
+ 3);
912 LOG_ERROR("command recursion exceeded");
916 return CALL_COMMAND_HANDLER(command_help_show_list
,
917 c
->children
, n
, show_help
, cmd_match
);
920 COMMAND_HANDLER(handle_help_command
)
922 bool full
= strcmp(CMD_NAME
, "help") == 0;
924 struct command
*c
= CMD_CTX
->commands
;
928 cmd_match
= strdup("");
931 cmd_match
= strdup(CMD_ARGV
[0]);
933 for (unsigned int i
= 1; i
< CMD_ARGC
&& cmd_match
; ++i
) {
934 char *prev
= cmd_match
;
935 cmd_match
= alloc_printf("%s %s", prev
, CMD_ARGV
[i
]);
940 if (cmd_match
== NULL
) {
941 LOG_ERROR("unable to build search string");
944 retval
= CALL_COMMAND_HANDLER(command_help_show_list
,
945 c
, 0, full
, cmd_match
);
951 static int command_unknown_find(unsigned argc
, Jim_Obj
*const *argv
,
952 struct command
*head
, struct command
**out
)
956 const char *cmd_name
= Jim_GetString(argv
[0], NULL
);
957 struct command
*c
= command_find(head
, cmd_name
);
961 return command_unknown_find(--argc
, ++argv
, (*out
)->children
, out
);
964 static char *alloc_concatenate_strings(int argc
, Jim_Obj
* const *argv
)
971 all
= strdup(Jim_GetString(argv
[0], NULL
));
973 LOG_ERROR("Out of memory");
977 for (i
= 1; i
< argc
; ++i
) {
979 all
= alloc_printf("%s %s", all
, Jim_GetString(argv
[i
], NULL
));
982 LOG_ERROR("Out of memory");
990 static int run_usage(Jim_Interp
*interp
, int argc_valid
, int argc
, Jim_Obj
* const *argv
)
992 struct command_context
*cmd_ctx
= current_command_context(interp
);
996 assert(argc_valid
>= 1);
997 assert(argc
>= argc_valid
);
999 command
= alloc_concatenate_strings(argc_valid
, argv
);
1003 retval
= command_run_linef(cmd_ctx
, "usage %s", command
);
1004 if (retval
!= ERROR_OK
) {
1005 LOG_ERROR("unable to execute command \"usage %s\"", command
);
1009 if (argc_valid
== argc
)
1010 LOG_ERROR("%s: command requires more arguments", command
);
1013 command
= alloc_concatenate_strings(argc
- argc_valid
, argv
+ argc_valid
);
1016 LOG_ERROR("invalid subcommand \"%s\"", command
);
1023 static int command_unknown(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1025 script_debug(interp
, argc
, argv
);
1027 struct command_context
*cmd_ctx
= current_command_context(interp
);
1028 struct command
*c
= cmd_ctx
->commands
;
1029 int remaining
= command_unknown_find(argc
, argv
, c
, &c
);
1030 /* if nothing could be consumed, then it's really an unknown command */
1031 if (remaining
== argc
) {
1032 const char *cmd
= Jim_GetString(argv
[0], NULL
);
1033 LOG_ERROR("Unknown command:\n %s", cmd
);
1037 Jim_Obj
*const *start
;
1039 if (c
->handler
|| c
->jim_handler
) {
1040 /* include the command name in the list */
1041 count
= remaining
+ 1;
1042 start
= argv
+ (argc
- remaining
- 1);
1044 count
= argc
- remaining
;
1046 run_usage(interp
, count
, argc
, start
);
1049 /* pass the command through to the intended handler */
1050 if (c
->jim_handler
) {
1051 if (!command_can_run(cmd_ctx
, c
))
1054 interp
->cmdPrivData
= c
->jim_handler_data
;
1055 return (*c
->jim_handler
)(interp
, count
, start
);
1058 return script_command_run(interp
, count
, start
, c
);
1061 static int jim_command_mode(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1063 struct command_context
*cmd_ctx
= current_command_context(interp
);
1064 enum command_mode mode
;
1067 struct command
*c
= cmd_ctx
->commands
;
1068 int remaining
= command_unknown_find(argc
- 1, argv
+ 1, c
, &c
);
1069 /* if nothing could be consumed, then it's an unknown command */
1070 if (remaining
== argc
- 1) {
1071 Jim_SetResultString(interp
, "unknown", -1);
1076 mode
= cmd_ctx
->mode
;
1078 const char *mode_str
;
1083 case COMMAND_CONFIG
:
1084 mode_str
= "config";
1090 mode_str
= "unknown";
1093 Jim_SetResultString(interp
, mode_str
, -1);
1097 int help_add_command(struct command_context
*cmd_ctx
, struct command
*parent
,
1098 const char *cmd_name
, const char *help_text
, const char *usage
)
1100 struct command
**head
= command_list_for_parent(cmd_ctx
, parent
);
1101 struct command
*nc
= command_find(*head
, cmd_name
);
1103 /* add a new command with help text */
1104 struct command_registration cr
= {
1106 .mode
= COMMAND_ANY
,
1108 .usage
= usage
? : "",
1110 nc
= register_command(cmd_ctx
, parent
, &cr
);
1112 LOG_ERROR("failed to add '%s' help text", cmd_name
);
1115 LOG_DEBUG("added '%s' help text", cmd_name
);
1119 bool replaced
= false;
1124 nc
->help
= strdup(help_text
);
1126 LOG_INFO("replaced existing '%s' help", cmd_name
);
1128 LOG_DEBUG("added '%s' help text", cmd_name
);
1131 bool replaced
= false;
1137 nc
->usage
= strdup(usage
);
1139 LOG_INFO("replaced existing '%s' usage", cmd_name
);
1141 LOG_DEBUG("added '%s' usage text", cmd_name
);
1146 COMMAND_HANDLER(handle_help_add_command
)
1149 LOG_ERROR("%s: insufficient arguments", CMD_NAME
);
1150 return ERROR_COMMAND_SYNTAX_ERROR
;
1153 /* save help text and remove it from argument list */
1154 const char *str
= CMD_ARGV
[--CMD_ARGC
];
1155 const char *help
= !strcmp(CMD_NAME
, "add_help_text") ? str
: NULL
;
1156 const char *usage
= !strcmp(CMD_NAME
, "add_usage_text") ? str
: NULL
;
1157 if (!help
&& !usage
) {
1158 LOG_ERROR("command name '%s' is unknown", CMD_NAME
);
1159 return ERROR_COMMAND_SYNTAX_ERROR
;
1161 /* likewise for the leaf command name */
1162 const char *cmd_name
= CMD_ARGV
[--CMD_ARGC
];
1164 struct command
*c
= NULL
;
1166 c
= CMD_CTX
->commands
;
1167 int retval
= CALL_COMMAND_HANDLER(command_help_find
, c
, &c
);
1168 if (ERROR_OK
!= retval
)
1171 return help_add_command(CMD_CTX
, c
, cmd_name
, help
, usage
);
1174 /* sleep command sleeps for <n> milliseconds
1175 * this is useful in target startup scripts
1177 COMMAND_HANDLER(handle_sleep_command
)
1180 if (CMD_ARGC
== 2) {
1181 if (strcmp(CMD_ARGV
[1], "busy") == 0)
1184 return ERROR_COMMAND_SYNTAX_ERROR
;
1185 } else if (CMD_ARGC
< 1 || CMD_ARGC
> 2)
1186 return ERROR_COMMAND_SYNTAX_ERROR
;
1188 unsigned long duration
= 0;
1189 int retval
= parse_ulong(CMD_ARGV
[0], &duration
);
1190 if (ERROR_OK
!= retval
)
1194 int64_t then
= timeval_ms();
1195 while (timeval_ms() - then
< (int64_t)duration
) {
1196 target_call_timer_callbacks_now();
1200 busy_sleep(duration
);
1205 static const struct command_registration command_subcommand_handlers
[] = {
1208 .mode
= COMMAND_ANY
,
1209 .jim_handler
= jim_command_mode
,
1210 .usage
= "[command_name ...]",
1211 .help
= "Returns the command modes allowed by a command: "
1212 "'any', 'config', or 'exec'. If no command is "
1213 "specified, returns the current command mode. "
1214 "Returns 'unknown' if an unknown command is given. "
1215 "Command can be multiple tokens.",
1217 COMMAND_REGISTRATION_DONE
1220 static const struct command_registration command_builtin_handlers
[] = {
1223 .mode
= COMMAND_ANY
,
1224 .jim_handler
= jim_find
,
1225 .help
= "find full path to file",
1230 .mode
= COMMAND_ANY
,
1231 .jim_handler
= jim_capture
,
1232 .help
= "Capture progress output and return as tcl return value. If the "
1233 "progress output was empty, return tcl return value.",
1238 .handler
= jim_echo
,
1239 .mode
= COMMAND_ANY
,
1240 .help
= "Logs a message at \"user\" priority. "
1241 "Output message to stdout. "
1242 "Option \"-n\" suppresses trailing newline",
1243 .usage
= "[-n] string",
1246 .name
= "add_help_text",
1247 .handler
= handle_help_add_command
,
1248 .mode
= COMMAND_ANY
,
1249 .help
= "Add new command help text; "
1250 "Command can be multiple tokens.",
1251 .usage
= "command_name helptext_string",
1254 .name
= "add_usage_text",
1255 .handler
= handle_help_add_command
,
1256 .mode
= COMMAND_ANY
,
1257 .help
= "Add new command usage text; "
1258 "command can be multiple tokens.",
1259 .usage
= "command_name usage_string",
1263 .handler
= handle_sleep_command
,
1264 .mode
= COMMAND_ANY
,
1265 .help
= "Sleep for specified number of milliseconds. "
1266 "\"busy\" will busy wait instead (avoid this).",
1267 .usage
= "milliseconds ['busy']",
1271 .handler
= handle_help_command
,
1272 .mode
= COMMAND_ANY
,
1273 .help
= "Show full command help; "
1274 "command can be multiple tokens.",
1275 .usage
= "[command_name]",
1279 .handler
= handle_help_command
,
1280 .mode
= COMMAND_ANY
,
1281 .help
= "Show basic command usage; "
1282 "command can be multiple tokens.",
1283 .usage
= "[command_name]",
1287 .mode
= COMMAND_ANY
,
1288 .help
= "core command group (introspection)",
1289 .chain
= command_subcommand_handlers
,
1292 COMMAND_REGISTRATION_DONE
1295 struct command_context
*command_init(const char *startup_tcl
, Jim_Interp
*interp
)
1297 struct command_context
*context
= calloc(1, sizeof(struct command_context
));
1300 context
->mode
= COMMAND_EXEC
;
1302 /* Create a jim interpreter if we were not handed one */
1303 if (interp
== NULL
) {
1304 /* Create an interpreter */
1305 interp
= Jim_CreateInterp();
1306 /* Add all the Jim core commands */
1307 Jim_RegisterCoreCommands(interp
);
1308 Jim_InitStaticExtensions(interp
);
1311 context
->interp
= interp
;
1313 /* Stick to lowercase for HostOS strings. */
1314 #if defined(_MSC_VER)
1315 /* WinXX - is generic, the forward
1316 * looking problem is this:
1318 * "win32" or "win64"
1320 * "winxx" is generic.
1323 #elif defined(__linux__)
1325 #elif defined(__APPLE__) || defined(__DARWIN__)
1327 #elif defined(__CYGWIN__)
1329 #elif defined(__MINGW32__)
1331 #elif defined(__ECOS)
1333 #elif defined(__FreeBSD__)
1335 #elif defined(__NetBSD__)
1337 #elif defined(__OpenBSD__)
1340 #warning "Unrecognized host OS..."
1343 Jim_SetGlobalVariableStr(interp
, "ocd_HOSTOS",
1344 Jim_NewStringObj(interp
, HostOs
, strlen(HostOs
)));
1346 register_commands(context
, NULL
, command_builtin_handlers
);
1348 Jim_SetAssocData(interp
, "context", NULL
, context
);
1349 if (Jim_Eval_Named(interp
, startup_tcl
, "embedded:startup.tcl", 1) == JIM_ERR
) {
1350 LOG_ERROR("Failed to run startup.tcl (embedded into OpenOCD)");
1351 Jim_MakeErrorMessage(interp
);
1352 LOG_USER_N("%s", Jim_GetString(Jim_GetResult(interp
), NULL
));
1355 Jim_DeleteAssocData(interp
, "context");
1360 void command_exit(struct command_context
*context
)
1365 Jim_FreeInterp(context
->interp
);
1366 command_done(context
);
1369 int command_context_mode(struct command_context
*cmd_ctx
, enum command_mode mode
)
1372 return ERROR_COMMAND_SYNTAX_ERROR
;
1374 cmd_ctx
->mode
= mode
;
1378 void process_jim_events(struct command_context
*cmd_ctx
)
1380 static int recursion
;
1385 Jim_ProcessEvents(cmd_ctx
->interp
, JIM_ALL_EVENTS
| JIM_DONT_WAIT
);
1389 #define DEFINE_PARSE_NUM_TYPE(name, type, func, min, max) \
1390 int parse ## name(const char *str, type * ul) \
1393 LOG_ERROR("Invalid command argument"); \
1394 return ERROR_COMMAND_ARGUMENT_INVALID; \
1398 *ul = func(str, &end, 0); \
1400 LOG_ERROR("Invalid command argument"); \
1401 return ERROR_COMMAND_ARGUMENT_INVALID; \
1403 if ((max == *ul) && (ERANGE == errno)) { \
1404 LOG_ERROR("Argument overflow"); \
1405 return ERROR_COMMAND_ARGUMENT_OVERFLOW; \
1407 if (min && (min == *ul) && (ERANGE == errno)) { \
1408 LOG_ERROR("Argument underflow"); \
1409 return ERROR_COMMAND_ARGUMENT_UNDERFLOW; \
1413 DEFINE_PARSE_NUM_TYPE(_ulong
, unsigned long, strtoul
, 0, ULONG_MAX
)
1414 DEFINE_PARSE_NUM_TYPE(_ullong
, unsigned long long, strtoull
, 0, ULLONG_MAX
)
1415 DEFINE_PARSE_NUM_TYPE(_long
, long, strtol
, LONG_MIN
, LONG_MAX
)
1416 DEFINE_PARSE_NUM_TYPE(_llong
, long long, strtoll
, LLONG_MIN
, LLONG_MAX
)
1418 #define DEFINE_PARSE_WRAPPER(name, type, min, max, functype, funcname) \
1419 int parse ## name(const char *str, type * ul) \
1422 int retval = parse ## funcname(str, &n); \
1423 if (ERROR_OK != retval) \
1426 return ERROR_COMMAND_ARGUMENT_OVERFLOW; \
1428 return ERROR_COMMAND_ARGUMENT_UNDERFLOW; \
1433 #define DEFINE_PARSE_ULONGLONG(name, type, min, max) \
1434 DEFINE_PARSE_WRAPPER(name, type, min, max, unsigned long long, _ullong)
1435 DEFINE_PARSE_ULONGLONG(_uint
, unsigned, 0, UINT_MAX
)
1436 DEFINE_PARSE_ULONGLONG(_u64
, uint64_t, 0, UINT64_MAX
)
1437 DEFINE_PARSE_ULONGLONG(_u32
, uint32_t, 0, UINT32_MAX
)
1438 DEFINE_PARSE_ULONGLONG(_u16
, uint16_t, 0, UINT16_MAX
)
1439 DEFINE_PARSE_ULONGLONG(_u8
, uint8_t, 0, UINT8_MAX
)
1441 DEFINE_PARSE_ULONGLONG(_target_addr
, target_addr_t
, 0, TARGET_ADDR_MAX
)
1443 #define DEFINE_PARSE_LONGLONG(name, type, min, max) \
1444 DEFINE_PARSE_WRAPPER(name, type, min, max, long long, _llong)
1445 DEFINE_PARSE_LONGLONG(_int
, int, n
< INT_MIN
, INT_MAX
)
1446 DEFINE_PARSE_LONGLONG(_s64
, int64_t, n
< INT64_MIN
, INT64_MAX
)
1447 DEFINE_PARSE_LONGLONG(_s32
, int32_t, n
< INT32_MIN
, INT32_MAX
)
1448 DEFINE_PARSE_LONGLONG(_s16
, int16_t, n
< INT16_MIN
, INT16_MAX
)
1449 DEFINE_PARSE_LONGLONG(_s8
, int8_t, n
< INT8_MIN
, INT8_MAX
)
1451 static int command_parse_bool(const char *in
, bool *out
,
1452 const char *on
, const char *off
)
1454 if (strcasecmp(in
, on
) == 0)
1456 else if (strcasecmp(in
, off
) == 0)
1459 return ERROR_COMMAND_SYNTAX_ERROR
;
1463 int command_parse_bool_arg(const char *in
, bool *out
)
1465 if (command_parse_bool(in
, out
, "on", "off") == ERROR_OK
)
1467 if (command_parse_bool(in
, out
, "enable", "disable") == ERROR_OK
)
1469 if (command_parse_bool(in
, out
, "true", "false") == ERROR_OK
)
1471 if (command_parse_bool(in
, out
, "yes", "no") == ERROR_OK
)
1473 if (command_parse_bool(in
, out
, "1", "0") == ERROR_OK
)
1475 return ERROR_COMMAND_SYNTAX_ERROR
;
1478 COMMAND_HELPER(handle_command_parse_bool
, bool *out
, const char *label
)
1482 const char *in
= CMD_ARGV
[0];
1483 if (command_parse_bool_arg(in
, out
) != ERROR_OK
) {
1484 LOG_ERROR("%s: argument '%s' is not valid", CMD_NAME
, in
);
1485 return ERROR_COMMAND_SYNTAX_ERROR
;
1490 LOG_INFO("%s is %s", label
, *out
? "enabled" : "disabled");
1493 return ERROR_COMMAND_SYNTAX_ERROR
;
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