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 Jim_Interp
*interp
= NULL
;
49 static int run_command(struct command_context
*context
,
50 struct command
*c
, const char *words
[], unsigned num_words
);
52 static void tcl_output(void *privData
, const char *file
, unsigned line
,
53 const char *function
, const char *string
)
55 Jim_Obj
*tclOutput
= (Jim_Obj
*)privData
;
56 Jim_AppendString(interp
, tclOutput
, string
, strlen(string
));
59 extern struct command_context
*global_cmd_ctx
;
61 void script_debug(Jim_Interp
*interp
, const char *name
,
62 unsigned argc
, Jim_Obj
*const *argv
)
64 LOG_DEBUG("command - %s", name
);
65 for (unsigned i
= 0; i
< argc
; i
++)
68 const char *w
= Jim_GetString(argv
[i
], &len
);
70 /* end of line comment? */
74 LOG_DEBUG("%s - argv[%d]=%s", name
, i
, w
);
78 static void script_command_args_free(const char **words
, unsigned nwords
)
80 for (unsigned i
= 0; i
< nwords
; i
++)
81 free((void *)words
[i
]);
84 static const char **script_command_args_alloc(
85 unsigned argc
, Jim_Obj
*const *argv
, unsigned *nwords
)
87 const char **words
= malloc(argc
* sizeof(char *));
92 for (i
= 0; i
< argc
; i
++)
95 const char *w
= Jim_GetString(argv
[i
], &len
);
96 /* a comment may end the line early */
100 words
[i
] = strdup(w
);
101 if (words
[i
] == NULL
)
103 script_command_args_free(words
, i
);
111 static struct command_context
*current_command_context(void)
113 /* grab the command context from the associated data */
114 struct command_context
*cmd_ctx
= Jim_GetAssocData(interp
, "context");
117 /* Tcl can invoke commands directly instead of via command_run_line(). This would
118 * happen when the Jim Tcl interpreter is provided by eCos.
120 cmd_ctx
= global_cmd_ctx
;
125 static int script_command(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
127 /* the private data is stashed in the interp structure */
131 /* DANGER!!!! be careful what we invoke here, since interp->cmdPrivData might
132 * get overwritten by running other Jim commands! Treat it as an
133 * emphemeral global variable that is used in lieu of an argument
134 * to the fn and fish it out manually.
136 c
= interp
->cmdPrivData
;
139 LOG_ERROR("BUG: interp->cmdPrivData == NULL");
142 target_call_timer_callbacks_now();
143 LOG_USER_N("%s", ""); /* Keep GDB connection alive*/
145 script_debug(interp
, c
->name
, argc
, argv
);
148 const char **words
= script_command_args_alloc(argc
, argv
, &nwords
);
152 /* capture log output and return it */
153 Jim_Obj
*tclOutput
= Jim_NewStringObj(interp
, "", 0);
154 /* a garbage collect can happen, so we need a reference count to this object */
155 Jim_IncrRefCount(tclOutput
);
157 log_add_callback(tcl_output
, tclOutput
);
159 struct command_context
*cmd_ctx
= current_command_context();
160 retval
= run_command(cmd_ctx
, c
, (const char **)words
, nwords
);
162 log_remove_callback(tcl_output
, tclOutput
);
164 /* We dump output into this local variable */
165 Jim_SetResult(interp
, tclOutput
);
166 Jim_DecrRefCount(interp
, tclOutput
);
168 script_command_args_free(words
, nwords
);
170 int *return_retval
= Jim_GetAssocData(interp
, "retval");
171 if (return_retval
!= NULL
)
173 *return_retval
= retval
;
176 return (retval
== ERROR_OK
)?JIM_OK
:JIM_ERR
;
179 /* nice short description of source file */
180 #define __THIS__FILE__ "command.c"
183 * Find a command by name from a list of commands.
184 * @returns Returns the named command if it exists in the list.
185 * Returns NULL otherwise.
187 static struct command
*command_find(struct command
*head
, const char *name
)
189 for (struct command
*cc
= head
; cc
; cc
= cc
->next
)
191 if (strcmp(cc
->name
, name
) == 0)
196 struct command
*command_find_in_context(struct command_context
*cmd_ctx
,
199 return command_find(cmd_ctx
->commands
, name
);
201 struct command
*command_find_in_parent(struct command
*parent
,
204 return command_find(parent
->children
, name
);
208 * Add the command into the linked list, sorted by name.
209 * @param head Address to head of command list pointer, which may be
210 * updated if @c c gets inserted at the beginning of the list.
211 * @param c The command to add to the list pointed to by @c head.
213 static void command_add_child(struct command
**head
, struct command
*c
)
222 while ((*head
)->next
&& (strcmp(c
->name
, (*head
)->name
) > 0))
223 head
= &(*head
)->next
;
225 if (strcmp(c
->name
, (*head
)->name
) > 0) {
226 c
->next
= (*head
)->next
;
234 static struct command
**command_list_for_parent(
235 struct command_context
*cmd_ctx
, struct command
*parent
)
237 return parent
? &parent
->children
: &cmd_ctx
->commands
;
240 static struct command
*command_new(struct command_context
*cmd_ctx
,
241 struct command
*parent
, const struct command_registration
*cr
)
245 struct command
*c
= malloc(sizeof(struct command
));
246 memset(c
, 0, sizeof(struct command
));
248 c
->name
= strdup(cr
->name
);
250 c
->help
= strdup(cr
->help
);
252 c
->usage
= strdup(cr
->usage
);
254 c
->handler
= cr
->handler
;
255 c
->jim_handler
= cr
->jim_handler
;
256 c
->jim_handler_data
= cr
->jim_handler_data
;
259 command_add_child(command_list_for_parent(cmd_ctx
, parent
), c
);
263 static void command_free(struct command
*c
)
265 /// @todo if command has a handler, unregister its jim command!
267 while (NULL
!= c
->children
)
269 struct command
*tmp
= c
->children
;
270 c
->children
= tmp
->next
;
277 free((void*)c
->help
);
279 free((void*)c
->usage
);
283 static int register_command_handler(struct command
*c
)
285 int retval
= -ENOMEM
;
286 const char *full_name
= command_name(c
, '_');
287 if (NULL
== full_name
)
290 const char *ocd_name
= alloc_printf("ocd_%s", full_name
);
291 if (NULL
== full_name
)
294 Jim_CreateCommand(interp
, ocd_name
, script_command
, c
, NULL
);
295 free((void *)ocd_name
);
297 /* we now need to add an overrideable proc */
298 const char *override_name
= alloc_printf("proc %s {args} {"
299 "if {[catch {eval ocd_%s $args}] == 0} "
300 "{return \"\"} else {return -code error}}",
301 full_name
, full_name
);
302 if (NULL
== full_name
)
305 Jim_Eval_Named(interp
, override_name
, __THIS__FILE__
, __LINE__
);
306 free((void *)override_name
);
311 free((void *)full_name
);
315 struct command
* register_command(struct command_context
*context
,
316 struct command
*parent
, const struct command_registration
*cr
)
318 if (!context
|| !cr
->name
)
321 const char *name
= cr
->name
;
322 struct command
**head
= command_list_for_parent(context
, parent
);
323 struct command
*c
= command_find(*head
, name
);
326 LOG_ERROR("command '%s' is already registered in '%s' context",
327 name
, parent
? parent
->name
: "<global>");
331 c
= command_new(context
, parent
, cr
);
335 if (NULL
!= c
->handler
)
337 int retval
= register_command_handler(c
);
338 if (ERROR_OK
!= retval
)
340 unregister_command(context
, parent
, name
);
345 if (NULL
!= cr
->jim_handler
&& NULL
== parent
)
346 Jim_CreateCommand(interp
, cr
->name
, cr
->jim_handler
, cr
->jim_handler_data
, NULL
);
351 int register_commands(struct command_context
*cmd_ctx
, struct command
*parent
,
352 const struct command_registration
*cmds
)
354 int retval
= ERROR_OK
;
356 for (i
= 0; cmds
[i
].name
|| cmds
[i
].chain
; i
++)
358 const struct command_registration
*cr
= cmds
+ i
;
360 struct command
*c
= NULL
;
361 if (NULL
!= cr
->name
)
363 c
= register_command(cmd_ctx
, parent
, cr
);
370 if (NULL
!= cr
->chain
)
372 struct command
*p
= c
? : parent
;
373 retval
= register_commands(cmd_ctx
, p
, cr
->chain
);
374 if (ERROR_OK
!= retval
)
378 if (ERROR_OK
!= retval
)
380 for (unsigned j
= 0; j
< i
; j
++)
381 unregister_command(cmd_ctx
, parent
, cmds
[j
].name
);
386 int unregister_all_commands(struct command_context
*context
,
387 struct command
*parent
)
392 struct command
**head
= command_list_for_parent(context
, parent
);
393 while (NULL
!= *head
)
395 struct command
*tmp
= *head
;
403 int unregister_command(struct command_context
*context
,
404 struct command
*parent
, const char *name
)
406 if ((!context
) || (!name
))
407 return ERROR_INVALID_ARGUMENTS
;
409 struct command
*p
= NULL
;
410 struct command
**head
= command_list_for_parent(context
, parent
);
411 for (struct command
*c
= *head
; NULL
!= c
; p
= c
, c
= c
->next
)
413 if (strcmp(name
, c
->name
) != 0)
428 void command_output_text(struct command_context
*context
, const char *data
)
430 if (context
&& context
->output_handler
&& data
) {
431 context
->output_handler(context
, data
);
435 void command_print_sameline(struct command_context
*context
, const char *format
, ...)
440 va_start(ap
, format
);
442 string
= alloc_vprintf(format
, ap
);
445 /* we want this collected in the log + we also want to pick it up as a tcl return
448 * The latter bit isn't precisely neat, but will do for now.
450 LOG_USER_N("%s", string
);
451 /* We already printed it above */
452 /* command_output_text(context, string); */
459 void command_print(struct command_context
*context
, const char *format
, ...)
464 va_start(ap
, format
);
466 string
= alloc_vprintf(format
, ap
);
469 strcat(string
, "\n"); /* alloc_vprintf guaranteed the buffer to be at least one char longer */
470 /* we want this collected in the log + we also want to pick it up as a tcl return
473 * The latter bit isn't precisely neat, but will do for now.
475 LOG_USER_N("%s", string
);
476 /* We already printed it above */
477 /* command_output_text(context, string); */
484 static char *__command_name(struct command
*c
, char delim
, unsigned extra
)
487 unsigned len
= strlen(c
->name
);
488 if (NULL
== c
->parent
) {
489 // allocate enough for the name, child names, and '\0'
490 name
= malloc(len
+ extra
+ 1);
491 strcpy(name
, c
->name
);
493 // parent's extra must include both the space and name
494 name
= __command_name(c
->parent
, delim
, 1 + len
+ extra
);
495 char dstr
[2] = { delim
, 0 };
497 strcat(name
, c
->name
);
501 char *command_name(struct command
*c
, char delim
)
503 return __command_name(c
, delim
, 0);
506 static int run_command(struct command_context
*context
,
507 struct command
*c
, const char *words
[], unsigned num_words
)
509 if (!((context
->mode
== COMMAND_CONFIG
) || (c
->mode
== COMMAND_ANY
) || (c
->mode
== context
->mode
)))
511 /* Config commands can not run after the config stage */
512 LOG_ERROR("Command '%s' only runs during configuration stage", c
->name
);
516 struct command_invocation cmd
= {
519 .argc
= num_words
- 1,
522 int retval
= c
->handler(&cmd
);
523 if (retval
== ERROR_COMMAND_SYNTAX_ERROR
)
525 /* Print help for command */
526 char *full_name
= command_name(c
, ' ');
527 if (NULL
!= full_name
) {
528 command_run_linef(context
, "help %s", full_name
);
533 else if (retval
== ERROR_COMMAND_CLOSE_CONNECTION
)
535 /* just fall through for a shutdown request */
537 else if (retval
!= ERROR_OK
)
539 /* we do not print out an error message because the command *should*
540 * have printed out an error
542 LOG_DEBUG("Command failed with error code %d", retval
);
548 int command_run_line(struct command_context
*context
, char *line
)
550 /* all the parent commands have been registered with the interpreter
551 * so, can just evaluate the line as a script and check for
554 /* run the line thru a script engine */
555 int retval
= ERROR_FAIL
;
557 /* Beware! This code needs to be reentrant. It is also possible
558 * for OpenOCD commands to be invoked directly from Tcl. This would
559 * happen when the Jim Tcl interpreter is provided by eCos for
562 Jim_DeleteAssocData(interp
, "context");
563 retcode
= Jim_SetAssocData(interp
, "context", NULL
, context
);
564 if (retcode
== JIM_OK
)
566 /* associated the return value */
567 Jim_DeleteAssocData(interp
, "retval");
568 retcode
= Jim_SetAssocData(interp
, "retval", NULL
, &retval
);
569 if (retcode
== JIM_OK
)
571 retcode
= Jim_Eval_Named(interp
, line
, __THIS__FILE__
, __LINE__
);
573 Jim_DeleteAssocData(interp
, "retval");
575 Jim_DeleteAssocData(interp
, "context");
577 if (retcode
== JIM_ERR
) {
578 if (retval
!= ERROR_COMMAND_CLOSE_CONNECTION
)
580 /* We do not print the connection closed error message */
581 Jim_PrintErrorMessage(interp
);
583 if (retval
== ERROR_OK
)
585 /* It wasn't a low level OpenOCD command that failed */
589 } else if (retcode
== JIM_EXIT
) {
591 /* exit(Jim_GetExitCode(interp)); */
596 result
= Jim_GetString(Jim_GetResult(interp
), &reslen
);
601 for (i
= 0; i
< reslen
; i
+= 256)
607 strncpy(buff
, result
+ i
, chunk
);
609 LOG_USER_N("%s", buff
);
611 LOG_USER_N("%s", "\n");
618 int command_run_linef(struct command_context
*context
, const char *format
, ...)
620 int retval
= ERROR_FAIL
;
623 va_start(ap
, format
);
624 string
= alloc_vprintf(format
, ap
);
627 retval
= command_run_line(context
, string
);
633 void command_set_output_handler(struct command_context
* context
,
634 command_output_handler_t output_handler
, void *priv
)
636 context
->output_handler
= output_handler
;
637 context
->output_handler_priv
= priv
;
640 struct command_context
* copy_command_context(struct command_context
* context
)
642 struct command_context
* copy_context
= malloc(sizeof(struct command_context
));
644 *copy_context
= *context
;
649 int command_done(struct command_context
*context
)
657 /* find full path to file */
658 static int jim_find(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
662 const char *file
= Jim_GetString(argv
[1], NULL
);
663 char *full_path
= find_file(file
);
664 if (full_path
== NULL
)
666 Jim_Obj
*result
= Jim_NewStringObj(interp
, full_path
, strlen(full_path
));
669 Jim_SetResult(interp
, result
);
673 static int jim_echo(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
677 const char *str
= Jim_GetString(argv
[1], NULL
);
682 static size_t openocd_jim_fwrite(const void *_ptr
, size_t size
, size_t n
, void *cookie
)
688 /* make it a char easier to read code */
692 if (ptr
== NULL
|| interp
== NULL
|| nbytes
== 0) {
696 /* do we have to chunk it? */
697 if (ptr
[nbytes
] == 0)
699 /* no it is a C style string */
700 LOG_USER_N("%s", ptr
);
703 /* GRR we must chunk - not null terminated */
713 memcpy(chunk
, ptr
, x
);
717 LOG_USER_N("%s", chunk
);
725 static size_t openocd_jim_fread(void *ptr
, size_t size
, size_t n
, void *cookie
)
727 /* TCL wants to read... tell him no */
731 static int openocd_jim_vfprintf(void *cookie
, const char *fmt
, va_list ap
)
742 cp
= alloc_vprintf(fmt
, ap
);
745 LOG_USER_N("%s", cp
);
752 static int openocd_jim_fflush(void *cookie
)
754 /* nothing to flush */
758 static char* openocd_jim_fgets(char *s
, int size
, void *cookie
)
765 static int jim_capture(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
770 const char *str
= Jim_GetString(argv
[1], NULL
);
772 /* capture log output and return it */
773 Jim_Obj
*tclOutput
= Jim_NewStringObj(interp
, "", 0);
774 /* a garbage collect can happen, so we need a reference count to this object */
775 Jim_IncrRefCount(tclOutput
);
777 log_add_callback(tcl_output
, tclOutput
);
779 retcode
= Jim_Eval_Named(interp
, str
, __THIS__FILE__
, __LINE__
);
781 log_remove_callback(tcl_output
, tclOutput
);
783 /* We dump output into this local variable */
784 Jim_SetResult(interp
, tclOutput
);
785 Jim_DecrRefCount(interp
, tclOutput
);
790 static COMMAND_HELPER(command_help_find
, struct command
*head
,
791 struct command
**out
)
794 return ERROR_INVALID_ARGUMENTS
;
795 *out
= command_find(head
, CMD_ARGV
[0]);
797 return ERROR_INVALID_ARGUMENTS
;
801 return CALL_COMMAND_HANDLER(command_help_find
, (*out
)->children
, out
);
804 static COMMAND_HELPER(command_help_show
, struct command
*c
, unsigned n
,
807 static COMMAND_HELPER(command_help_show_list
, struct command
*head
, unsigned n
,
810 for (struct command
*c
= head
; NULL
!= c
; c
= c
->next
)
811 CALL_COMMAND_HANDLER(command_help_show
, c
, n
, show_help
);
814 static COMMAND_HELPER(command_help_show
, struct command
*c
, unsigned n
,
817 const char *usage
= c
->usage
? : "";
818 const char *help
= "";
819 const char *sep
= "";
820 if (show_help
&& c
->help
)
822 help
= c
->help
? : "";
823 sep
= c
->usage
? " | " : "";
825 command_run_linef(CMD_CTX
, "cmd_help {%s} {%s%s%s} %d",
826 command_name(c
, ' '), usage
, sep
, help
, n
);
831 return CALL_COMMAND_HANDLER(command_help_show_list
,
832 c
->children
, n
, show_help
);
834 COMMAND_HANDLER(handle_help_command
)
836 struct command
*c
= CMD_CTX
->commands
;
839 return CALL_COMMAND_HANDLER(command_help_show_list
, c
, 0, true);
841 int retval
= CALL_COMMAND_HANDLER(command_help_find
, c
, &c
);
842 if (ERROR_OK
!= retval
)
845 return CALL_COMMAND_HANDLER(command_help_show
, c
, 0, true);
848 COMMAND_HANDLER(handle_usage_command
)
850 struct command
*c
= CMD_CTX
->commands
;
853 return CALL_COMMAND_HANDLER(command_help_show_list
, c
, 0, false);
855 int retval
= CALL_COMMAND_HANDLER(command_help_find
, c
, &c
);
856 if (ERROR_OK
!= retval
)
859 return CALL_COMMAND_HANDLER(command_help_show
, c
, 0, false);
862 static int command_unknown_find(unsigned argc
, Jim_Obj
*const *argv
,
863 struct command
*head
, struct command
**out
)
867 struct command
*c
= command_find(head
, Jim_GetString(argv
[0], NULL
));
871 return command_unknown_find(--argc
, ++argv
, (*out
)->children
, out
);
874 static int command_unknown(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
876 const char *cmd_name
= Jim_GetString(argv
[0], NULL
);
877 script_debug(interp
, cmd_name
, argc
- 1, argv
+ 1);
879 struct command_context
*cmd_ctx
= current_command_context();
880 struct command
*c
= cmd_ctx
->commands
;
881 int remaining
= command_unknown_find(argc
- 1, argv
+ 1, c
, &c
);
882 // if nothing could be consumed, then it's really an unknown command
883 if (remaining
== argc
- 1)
885 const char *cmd
= Jim_GetString(argv
[1], NULL
);
886 LOG_ERROR("Unknown command:\n %s", cmd
);
891 Jim_Obj
*const *start
;
893 if (c
->handler
|| c
->jim_handler
)
895 // include the command name in the list
896 count
= remaining
+ 1;
897 start
= argv
+ (argc
- remaining
- 1);
901 c
= command_find(cmd_ctx
->commands
, "help");
904 LOG_ERROR("unknown command, but help is missing too");
907 count
= argc
- remaining
;
911 // pass the command through to the intended handler
914 interp
->cmdPrivData
= c
->jim_handler_data
;
915 return (*c
->jim_handler
)(interp
, count
, start
);
919 const char **words
= script_command_args_alloc(count
, start
, &nwords
);
923 int retval
= run_command(cmd_ctx
, c
, words
, nwords
);
925 script_command_args_free(words
, nwords
);
927 if (!found
&& ERROR_OK
== retval
)
933 int help_add_command(struct command_context
*cmd_ctx
, struct command
*parent
,
934 const char *cmd_name
, const char *help_text
, const char *usage
)
936 struct command
**head
= command_list_for_parent(cmd_ctx
, parent
);
937 struct command
*nc
= command_find(*head
, cmd_name
);
940 // add a new command with help text
941 struct command_registration cr
= {
947 nc
= register_command(cmd_ctx
, parent
, &cr
);
950 LOG_ERROR("failed to add '%s' help text", cmd_name
);
953 LOG_DEBUG("added '%s' help text", cmd_name
);
957 bool replaced
= false;
960 free((void *)nc
->help
);
963 nc
->help
= strdup(help_text
);
966 LOG_INFO("replaced existing '%s' help", cmd_name
);
968 LOG_DEBUG("added '%s' help text", cmd_name
);
973 COMMAND_HANDLER(handle_help_add_command
)
977 LOG_ERROR("%s: insufficient arguments", CMD_NAME
);
978 return ERROR_INVALID_ARGUMENTS
;
981 // save help text and remove it from argument list
982 const char *help_text
= CMD_ARGV
[--CMD_ARGC
];
983 // likewise for the leaf command name
984 const char *cmd_name
= CMD_ARGV
[--CMD_ARGC
];
986 struct command
*c
= NULL
;
989 c
= CMD_CTX
->commands
;
990 int retval
= CALL_COMMAND_HANDLER(command_help_find
, c
, &c
);
991 if (ERROR_OK
!= retval
)
994 return help_add_command(CMD_CTX
, c
, cmd_name
, help_text
, NULL
);
997 /* sleep command sleeps for <n> miliseconds
998 * this is useful in target startup scripts
1000 COMMAND_HANDLER(handle_sleep_command
)
1005 if (strcmp(CMD_ARGV
[1], "busy") == 0)
1008 return ERROR_COMMAND_SYNTAX_ERROR
;
1010 else if (CMD_ARGC
< 1 || CMD_ARGC
> 2)
1011 return ERROR_COMMAND_SYNTAX_ERROR
;
1013 unsigned long duration
= 0;
1014 int retval
= parse_ulong(CMD_ARGV
[0], &duration
);
1015 if (ERROR_OK
!= retval
)
1020 long long then
= timeval_ms();
1021 while (timeval_ms() - then
< (long long)duration
)
1023 target_call_timer_callbacks_now();
1028 busy_sleep(duration
);
1033 static const struct command_registration command_builtin_handlers
[] = {
1035 .name
= "add_help_text",
1036 .handler
= &handle_help_add_command
,
1037 .mode
= COMMAND_ANY
,
1038 .help
= "add new command help text",
1039 .usage
= "<command> [...] <help_text>]",
1043 .handler
= &handle_sleep_command
,
1044 .mode
= COMMAND_ANY
,
1045 .help
= "sleep for n milliseconds. "
1046 "\"busy\" will busy wait",
1047 .usage
= "<n> [busy]",
1051 .handler
= &handle_help_command
,
1052 .mode
= COMMAND_ANY
,
1053 .help
= "show built-in command help",
1054 .usage
= "[<command_name> ...]",
1058 .handler
= &handle_usage_command
,
1059 .mode
= COMMAND_ANY
,
1060 .help
= "show command usage",
1061 .usage
= "[<command_name> ...]",
1063 COMMAND_REGISTRATION_DONE
1066 struct command_context
* command_init(const char *startup_tcl
)
1068 struct command_context
* context
= malloc(sizeof(struct command_context
));
1071 context
->mode
= COMMAND_EXEC
;
1072 context
->commands
= NULL
;
1073 context
->current_target
= 0;
1074 context
->output_handler
= NULL
;
1075 context
->output_handler_priv
= NULL
;
1077 #if !BUILD_ECOSBOARD
1079 /* Create an interpreter */
1080 interp
= Jim_CreateInterp();
1081 /* Add all the Jim core commands */
1082 Jim_RegisterCoreCommands(interp
);
1085 #if defined(_MSC_VER)
1086 /* WinXX - is generic, the forward
1087 * looking problem is this:
1089 * "win32" or "win64"
1091 * "winxx" is generic.
1094 #elif defined(__linux__)
1096 #elif defined(__DARWIN__)
1098 #elif defined(__CYGWIN__)
1100 #elif defined(__MINGW32__)
1102 #elif defined(__ECOS)
1105 #warn unrecognized host OS...
1108 Jim_SetGlobalVariableStr(interp
, "ocd_HOSTOS",
1109 Jim_NewStringObj(interp
, HostOs
, strlen(HostOs
)));
1111 Jim_CreateCommand(interp
, "unknown", &command_unknown
, NULL
, NULL
);
1112 Jim_CreateCommand(interp
, "ocd_find", jim_find
, NULL
, NULL
);
1113 Jim_CreateCommand(interp
, "echo", jim_echo
, NULL
, NULL
);
1114 Jim_CreateCommand(interp
, "capture", jim_capture
, NULL
, NULL
);
1116 /* Set Jim's STDIO */
1117 interp
->cookie_stdin
= interp
;
1118 interp
->cookie_stdout
= interp
;
1119 interp
->cookie_stderr
= interp
;
1120 interp
->cb_fwrite
= openocd_jim_fwrite
;
1121 interp
->cb_fread
= openocd_jim_fread
;
1122 interp
->cb_vfprintf
= openocd_jim_vfprintf
;
1123 interp
->cb_fflush
= openocd_jim_fflush
;
1124 interp
->cb_fgets
= openocd_jim_fgets
;
1126 register_commands(context
, NULL
, command_builtin_handlers
);
1128 #if !BUILD_ECOSBOARD
1129 Jim_EventLoopOnLoad(interp
);
1131 Jim_SetAssocData(interp
, "context", NULL
, context
);
1132 if (Jim_Eval_Named(interp
, startup_tcl
, "embedded:startup.tcl",1) == JIM_ERR
)
1134 LOG_ERROR("Failed to run startup.tcl (embedded into OpenOCD)");
1135 Jim_PrintErrorMessage(interp
);
1138 Jim_DeleteAssocData(interp
, "context");
1143 int command_context_mode(struct command_context
*cmd_ctx
, enum command_mode mode
)
1146 return ERROR_INVALID_ARGUMENTS
;
1148 cmd_ctx
->mode
= mode
;
1152 void process_jim_events(void)
1154 #if !BUILD_ECOSBOARD
1155 static int recursion
= 0;
1160 Jim_ProcessEvents (interp
, JIM_ALL_EVENTS
| JIM_DONT_WAIT
);
1166 #define DEFINE_PARSE_NUM_TYPE(name, type, func, min, max) \
1167 int parse##name(const char *str, type *ul) \
1171 LOG_ERROR("Invalid command argument"); \
1172 return ERROR_COMMAND_ARGUMENT_INVALID; \
1175 *ul = func(str, &end, 0); \
1178 LOG_ERROR("Invalid command argument"); \
1179 return ERROR_COMMAND_ARGUMENT_INVALID; \
1181 if ((max == *ul) && (ERANGE == errno)) \
1183 LOG_ERROR("Argument overflow"); \
1184 return ERROR_COMMAND_ARGUMENT_OVERFLOW; \
1186 if (min && (min == *ul) && (ERANGE == errno)) \
1188 LOG_ERROR("Argument underflow"); \
1189 return ERROR_COMMAND_ARGUMENT_UNDERFLOW; \
1193 DEFINE_PARSE_NUM_TYPE(_ulong
, unsigned long , strtoul
, 0, ULONG_MAX
)
1194 DEFINE_PARSE_NUM_TYPE(_ullong
, unsigned long long, strtoull
, 0, ULLONG_MAX
)
1195 DEFINE_PARSE_NUM_TYPE(_long
, long , strtol
, LONG_MIN
, LONG_MAX
)
1196 DEFINE_PARSE_NUM_TYPE(_llong
, long long, strtoll
, LLONG_MIN
, LLONG_MAX
)
1198 #define DEFINE_PARSE_WRAPPER(name, type, min, max, functype, funcname) \
1199 int parse##name(const char *str, type *ul) \
1202 int retval = parse##funcname(str, &n); \
1203 if (ERROR_OK != retval) \
1206 return ERROR_COMMAND_ARGUMENT_OVERFLOW; \
1208 return ERROR_COMMAND_ARGUMENT_UNDERFLOW; \
1213 #define DEFINE_PARSE_ULONG(name, type, min, max) \
1214 DEFINE_PARSE_WRAPPER(name, type, min, max, unsigned long, _ulong)
1215 DEFINE_PARSE_ULONG(_uint
, unsigned, 0, UINT_MAX
)
1216 DEFINE_PARSE_ULONG(_u32
, uint32_t, 0, UINT32_MAX
)
1217 DEFINE_PARSE_ULONG(_u16
, uint16_t, 0, UINT16_MAX
)
1218 DEFINE_PARSE_ULONG(_u8
, uint8_t, 0, UINT8_MAX
)
1220 #define DEFINE_PARSE_LONG(name, type, min, max) \
1221 DEFINE_PARSE_WRAPPER(name, type, min, max, long, _long)
1222 DEFINE_PARSE_LONG(_int
, int, n
< INT_MIN
, INT_MAX
)
1223 DEFINE_PARSE_LONG(_s32
, int32_t, n
< INT32_MIN
, INT32_MAX
)
1224 DEFINE_PARSE_LONG(_s16
, int16_t, n
< INT16_MIN
, INT16_MAX
)
1225 DEFINE_PARSE_LONG(_s8
, int8_t, n
< INT8_MIN
, INT8_MAX
)
1227 static int command_parse_bool(const char *in
, bool *out
,
1228 const char *on
, const char *off
)
1230 if (strcasecmp(in
, on
) == 0)
1232 else if (strcasecmp(in
, off
) == 0)
1235 return ERROR_COMMAND_SYNTAX_ERROR
;
1239 int command_parse_bool_arg(const char *in
, bool *out
)
1241 if (command_parse_bool(in
, out
, "on", "off") == ERROR_OK
)
1243 if (command_parse_bool(in
, out
, "enable", "disable") == ERROR_OK
)
1245 if (command_parse_bool(in
, out
, "true", "false") == ERROR_OK
)
1247 if (command_parse_bool(in
, out
, "yes", "no") == ERROR_OK
)
1249 if (command_parse_bool(in
, out
, "1", "0") == ERROR_OK
)
1251 return ERROR_INVALID_ARGUMENTS
;
1254 COMMAND_HELPER(handle_command_parse_bool
, bool *out
, const char *label
)
1258 const char *in
= CMD_ARGV
[0];
1259 if (command_parse_bool_arg(in
, out
) != ERROR_OK
)
1261 LOG_ERROR("%s: argument '%s' is not valid", CMD_NAME
, in
);
1262 return ERROR_INVALID_ARGUMENTS
;
1267 LOG_INFO("%s is %s", label
, *out
? "enabled" : "disabled");
1270 return ERROR_INVALID_ARGUMENTS
;
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