1 // SPDX-License-Identifier: GPL-2.0-or-later
3 /***************************************************************************
4 * Copyright (C) 2005 by Dominic Rath *
5 * Dominic.Rath@gmx.de *
7 * Copyright (C) 2007,2008 Øyvind Harboe *
8 * oyvind.harboe@zylin.com *
10 * Copyright (C) 2008, Duane Ellis *
11 * openocd@duaneeellis.com *
13 * part of this file is taken from libcli (libcli.sourceforge.net) *
14 * Copyright (C) David Parrish (david@dparrish.com) *
15 ***************************************************************************/
21 /* see Embedded-HOWTO.txt in Jim Tcl project hosted on BerliOS*/
24 /* @todo the inclusion of target.h here is a layering violation */
25 #include <jtag/jtag.h>
26 #include <target/target.h>
28 #include "configuration.h"
30 #include "time_support.h"
31 #include "jim-eventloop.h"
33 /* nice short description of source file */
34 #define __THIS__FILE__ "command.c"
36 struct log_capture_state
{
41 static int unregister_command(struct command_context
*context
,
42 const char *cmd_prefix
, const char *name
);
43 static int jim_command_dispatch(Jim_Interp
*interp
, int argc
, Jim_Obj
* const *argv
);
44 static int help_add_command(struct command_context
*cmd_ctx
,
45 const char *cmd_name
, const char *help_text
, const char *usage_text
);
46 static int help_del_command(struct command_context
*cmd_ctx
, const char *cmd_name
);
48 /* set of functions to wrap jimtcl internal data */
49 static inline bool jimcmd_is_proc(Jim_Cmd
*cmd
)
54 bool jimcmd_is_oocd_command(Jim_Cmd
*cmd
)
56 return !cmd
->isproc
&& cmd
->u
.native
.cmdProc
== jim_command_dispatch
;
59 void *jimcmd_privdata(Jim_Cmd
*cmd
)
61 return cmd
->isproc
? NULL
: cmd
->u
.native
.privData
;
64 static void tcl_output(void *privData
, const char *file
, unsigned line
,
65 const char *function
, const char *string
)
67 struct log_capture_state
*state
= privData
;
68 Jim_AppendString(state
->interp
, state
->output
, string
, strlen(string
));
71 static struct log_capture_state
*command_log_capture_start(Jim_Interp
*interp
)
73 /* capture log output and return it. A garbage collect can
74 * happen, so we need a reference count to this object */
75 Jim_Obj
*jim_output
= Jim_NewStringObj(interp
, "", 0);
79 Jim_IncrRefCount(jim_output
);
81 struct log_capture_state
*state
= malloc(sizeof(*state
));
83 LOG_ERROR("Out of memory");
84 Jim_DecrRefCount(interp
, jim_output
);
88 state
->interp
= interp
;
89 state
->output
= jim_output
;
91 log_add_callback(tcl_output
, state
);
96 /* Classic openocd commands provide progress output which we
97 * will capture and return as a Tcl return value.
99 * However, if a non-openocd command has been invoked, then it
100 * makes sense to return the tcl return value from that command.
102 * The tcl return value is empty for openocd commands that provide
105 * Therefore we set the tcl return value only if we actually
108 static void command_log_capture_finish(struct log_capture_state
*state
)
113 log_remove_callback(tcl_output
, state
);
116 Jim_GetString(state
->output
, &length
);
119 Jim_SetResult(state
->interp
, state
->output
);
121 /* No output captured, use tcl return value (which could
124 Jim_DecrRefCount(state
->interp
, state
->output
);
129 static int command_retval_set(Jim_Interp
*interp
, int retval
)
131 int *return_retval
= Jim_GetAssocData(interp
, "retval");
133 *return_retval
= retval
;
135 return (retval
== ERROR_OK
) ? JIM_OK
: retval
;
138 extern struct command_context
*global_cmd_ctx
;
140 /* dump a single line to the log for the command.
141 * Do nothing in case we are not at debug level 3 */
142 static void script_debug(Jim_Interp
*interp
, unsigned int argc
, Jim_Obj
* const *argv
)
144 if (debug_level
< LOG_LVL_DEBUG
)
147 char *dbg
= alloc_printf("command -");
148 for (unsigned i
= 0; i
< argc
; i
++) {
150 const char *w
= Jim_GetString(argv
[i
], &len
);
151 char *t
= alloc_printf("%s %s", dbg
, w
);
155 LOG_DEBUG("%s", dbg
);
159 static void script_command_args_free(char **words
, unsigned nwords
)
161 for (unsigned i
= 0; i
< nwords
; i
++)
166 static char **script_command_args_alloc(
167 unsigned argc
, Jim_Obj
* const *argv
, unsigned *nwords
)
169 char **words
= malloc(argc
* sizeof(char *));
174 for (i
= 0; i
< argc
; i
++) {
176 const char *w
= Jim_GetString(argv
[i
], &len
);
177 words
[i
] = strdup(w
);
179 script_command_args_free(words
, i
);
187 struct command_context
*current_command_context(Jim_Interp
*interp
)
189 /* grab the command context from the associated data */
190 struct command_context
*cmd_ctx
= Jim_GetAssocData(interp
, "context");
192 /* Tcl can invoke commands directly instead of via command_run_line(). This would
193 * happen when the Jim Tcl interpreter is provided by eCos or if we are running
194 * commands in a startup script.
196 * A telnet or gdb server would provide a non-default command context to
197 * handle piping of error output, have a separate current target, etc.
199 cmd_ctx
= global_cmd_ctx
;
205 * Find a openocd command from fullname.
206 * @returns Returns the named command if it is registred in interp.
207 * Returns NULL otherwise.
209 static struct command
*command_find_from_name(Jim_Interp
*interp
, const char *name
)
214 Jim_Obj
*jim_name
= Jim_NewStringObj(interp
, name
, -1);
215 Jim_IncrRefCount(jim_name
);
216 Jim_Cmd
*cmd
= Jim_GetCommand(interp
, jim_name
, JIM_NONE
);
217 Jim_DecrRefCount(interp
, jim_name
);
218 if (!cmd
|| jimcmd_is_proc(cmd
) || !jimcmd_is_oocd_command(cmd
))
221 return jimcmd_privdata(cmd
);
224 static struct command
*command_new(struct command_context
*cmd_ctx
,
225 const char *full_name
, const struct command_registration
*cr
)
230 * If it is a non-jim command with no .usage specified,
233 * strlen(.usage) == 0 means that the command takes no
236 if (!cr
->jim_handler
&& !cr
->usage
)
237 LOG_ERROR("BUG: command '%s' does not have the "
238 "'.usage' field filled out",
241 struct command
*c
= calloc(1, sizeof(struct command
));
245 c
->name
= strdup(cr
->name
);
251 c
->handler
= cr
->handler
;
252 c
->jim_handler
= cr
->jim_handler
;
255 if (cr
->help
|| cr
->usage
)
256 help_add_command(cmd_ctx
, full_name
, cr
->help
, cr
->usage
);
261 static void command_free(struct Jim_Interp
*interp
, void *priv
)
263 struct command
*c
= priv
;
269 static struct command
*register_command(struct command_context
*context
,
270 const char *cmd_prefix
, const struct command_registration
*cr
)
274 if (!context
|| !cr
->name
)
278 full_name
= alloc_printf("%s %s", cmd_prefix
, cr
->name
);
280 full_name
= strdup(cr
->name
);
284 struct command
*c
= command_find_from_name(context
->interp
, full_name
);
286 /* TODO: originally we treated attempting to register a cmd twice as an error
287 * Sometimes we need this behaviour, such as with flash banks.
288 * http://www.mail-archive.com/openocd-development@lists.berlios.de/msg11152.html */
289 LOG_DEBUG("command '%s' is already registered", full_name
);
294 c
= command_new(context
, full_name
, cr
);
300 if (false) /* too noisy with debug_level 3 */
301 LOG_DEBUG("registering '%s'...", full_name
);
302 int retval
= Jim_CreateCommand(context
->interp
, full_name
,
303 jim_command_dispatch
, c
, command_free
);
304 if (retval
!= JIM_OK
) {
305 command_run_linef(context
, "del_help_text {%s}", full_name
);
306 command_run_linef(context
, "del_usage_text {%s}", full_name
);
316 int __register_commands(struct command_context
*cmd_ctx
, const char *cmd_prefix
,
317 const struct command_registration
*cmds
, void *data
,
318 struct target
*override_target
)
320 int retval
= ERROR_OK
;
322 for (i
= 0; cmds
[i
].name
|| cmds
[i
].chain
; i
++) {
323 const struct command_registration
*cr
= cmds
+ i
;
325 struct command
*c
= NULL
;
327 c
= register_command(cmd_ctx
, cmd_prefix
, cr
);
332 c
->jim_handler_data
= data
;
333 c
->jim_override_target
= override_target
;
338 char *new_prefix
= alloc_printf("%s %s", cmd_prefix
, cr
->name
);
343 retval
= __register_commands(cmd_ctx
, new_prefix
, cr
->chain
, data
, override_target
);
346 retval
= __register_commands(cmd_ctx
, cr
->name
, cr
->chain
, data
, override_target
);
349 retval
= __register_commands(cmd_ctx
, cmd_prefix
, cr
->chain
, data
, override_target
);
351 if (retval
!= ERROR_OK
)
355 if (retval
!= ERROR_OK
) {
356 for (unsigned j
= 0; j
< i
; j
++)
357 unregister_command(cmd_ctx
, cmd_prefix
, cmds
[j
].name
);
362 static __attribute__ ((format (PRINTF_ATTRIBUTE_FORMAT
, 2, 3)))
363 int unregister_commands_match(struct command_context
*cmd_ctx
, const char *format
, ...)
365 Jim_Interp
*interp
= cmd_ctx
->interp
;
368 va_start(ap
, format
);
369 char *query
= alloc_vprintf(format
, ap
);
374 char *query_cmd
= alloc_printf("info commands {%s}", query
);
379 int retval
= Jim_EvalSource(interp
, __THIS__FILE__
, __LINE__
, query_cmd
);
381 if (retval
!= JIM_OK
)
384 Jim_Obj
*list
= Jim_GetResult(interp
);
385 Jim_IncrRefCount(list
);
387 int len
= Jim_ListLength(interp
, list
);
388 for (int i
= 0; i
< len
; i
++) {
389 Jim_Obj
*elem
= Jim_ListGetIndex(interp
, list
, i
);
390 Jim_IncrRefCount(elem
);
392 const char *name
= Jim_GetString(elem
, NULL
);
393 struct command
*c
= command_find_from_name(interp
, name
);
395 /* not openocd command */
396 Jim_DecrRefCount(interp
, elem
);
399 if (false) /* too noisy with debug_level 3 */
400 LOG_DEBUG("delete command \"%s\"", name
);
401 #if JIM_VERSION >= 80
402 Jim_DeleteCommand(interp
, elem
);
404 Jim_DeleteCommand(interp
, name
);
407 help_del_command(cmd_ctx
, name
);
409 Jim_DecrRefCount(interp
, elem
);
412 Jim_DecrRefCount(interp
, list
);
416 int unregister_all_commands(struct command_context
*context
,
417 const char *cmd_prefix
)
422 if (!cmd_prefix
|| !*cmd_prefix
)
423 return unregister_commands_match(context
, "*");
425 int retval
= unregister_commands_match(context
, "%s *", cmd_prefix
);
426 if (retval
!= ERROR_OK
)
429 return unregister_commands_match(context
, "%s", cmd_prefix
);
432 static int unregister_command(struct command_context
*context
,
433 const char *cmd_prefix
, const char *name
)
435 if (!context
|| !name
)
436 return ERROR_COMMAND_SYNTAX_ERROR
;
438 if (!cmd_prefix
|| !*cmd_prefix
)
439 return unregister_commands_match(context
, "%s", name
);
441 return unregister_commands_match(context
, "%s %s", cmd_prefix
, name
);
444 void command_output_text(struct command_context
*context
, const char *data
)
446 if (context
&& context
->output_handler
&& data
)
447 context
->output_handler(context
, data
);
450 void command_print_sameline(struct command_invocation
*cmd
, const char *format
, ...)
455 va_start(ap
, format
);
457 string
= alloc_vprintf(format
, ap
);
459 /* we want this collected in the log + we also want to pick it up as a tcl return
462 * The latter bit isn't precisely neat, but will do for now.
464 Jim_AppendString(cmd
->ctx
->interp
, cmd
->output
, string
, -1);
465 /* We already printed it above
466 * command_output_text(context, string); */
473 void command_print(struct command_invocation
*cmd
, const char *format
, ...)
478 va_start(ap
, format
);
480 string
= alloc_vprintf(format
, ap
);
482 strcat(string
, "\n"); /* alloc_vprintf guaranteed the buffer to be at least one
484 /* we want this collected in the log + we also want to pick it up as a tcl return
487 * The latter bit isn't precisely neat, but will do for now.
489 Jim_AppendString(cmd
->ctx
->interp
, cmd
->output
, string
, -1);
490 /* We already printed it above
491 * command_output_text(context, string); */
498 static bool command_can_run(struct command_context
*cmd_ctx
, struct command
*c
, const char *full_name
)
500 if (c
->mode
== COMMAND_ANY
|| c
->mode
== cmd_ctx
->mode
)
503 /* Many commands may be run only before/after 'init' */
512 /* handle the impossible with humor; it guarantees a bug report! */
514 when
= "if Cthulhu is summoned by";
517 LOG_ERROR("The '%s' command must be used %s 'init'.",
518 full_name
? full_name
: c
->name
, when
);
522 static int run_command(struct command_context
*context
,
523 struct command
*c
, const char **words
, unsigned num_words
)
525 struct command_invocation cmd
= {
529 .argc
= num_words
- 1,
533 cmd
.output
= Jim_NewEmptyStringObj(context
->interp
);
534 Jim_IncrRefCount(cmd
.output
);
536 int retval
= c
->handler(&cmd
);
537 if (retval
== ERROR_COMMAND_SYNTAX_ERROR
) {
538 /* Print help for command */
539 command_run_linef(context
, "usage %s", words
[0]);
540 } else if (retval
== ERROR_COMMAND_CLOSE_CONNECTION
) {
541 /* just fall through for a shutdown request */
543 if (retval
!= ERROR_OK
)
544 LOG_DEBUG("Command '%s' failed with error code %d",
546 /* Use the command output as the Tcl result */
547 Jim_SetResult(context
->interp
, cmd
.output
);
549 Jim_DecrRefCount(context
->interp
, cmd
.output
);
554 int command_run_line(struct command_context
*context
, char *line
)
556 /* all the parent commands have been registered with the interpreter
557 * so, can just evaluate the line as a script and check for
560 /* run the line thru a script engine */
561 int retval
= ERROR_FAIL
;
563 /* Beware! This code needs to be reentrant. It is also possible
564 * for OpenOCD commands to be invoked directly from Tcl. This would
565 * happen when the Jim Tcl interpreter is provided by eCos for
568 struct target
*saved_target_override
= context
->current_target_override
;
569 context
->current_target_override
= NULL
;
571 Jim_Interp
*interp
= context
->interp
;
572 struct command_context
*old_context
= Jim_GetAssocData(interp
, "context");
573 Jim_DeleteAssocData(interp
, "context");
574 retcode
= Jim_SetAssocData(interp
, "context", NULL
, context
);
575 if (retcode
== JIM_OK
) {
576 /* associated the return value */
577 Jim_DeleteAssocData(interp
, "retval");
578 retcode
= Jim_SetAssocData(interp
, "retval", NULL
, &retval
);
579 if (retcode
== JIM_OK
) {
580 retcode
= Jim_Eval_Named(interp
, line
, 0, 0);
582 Jim_DeleteAssocData(interp
, "retval");
584 Jim_DeleteAssocData(interp
, "context");
585 int inner_retcode
= Jim_SetAssocData(interp
, "context", NULL
, old_context
);
586 if (retcode
== JIM_OK
)
587 retcode
= inner_retcode
;
589 context
->current_target_override
= saved_target_override
;
590 if (retcode
== JIM_OK
) {
594 result
= Jim_GetString(Jim_GetResult(interp
), &reslen
);
596 command_output_text(context
, result
);
597 command_output_text(context
, "\n");
600 } else if (retcode
== JIM_EXIT
) {
602 * exit(Jim_GetExitCode(interp)); */
603 } else if (retcode
== ERROR_COMMAND_CLOSE_CONNECTION
) {
606 Jim_MakeErrorMessage(interp
);
607 /* error is broadcast */
608 LOG_USER("%s", Jim_GetString(Jim_GetResult(interp
), NULL
));
610 if (retval
== ERROR_OK
) {
611 /* It wasn't a low level OpenOCD command that failed */
620 int command_run_linef(struct command_context
*context
, const char *format
, ...)
622 int retval
= ERROR_FAIL
;
625 va_start(ap
, format
);
626 string
= alloc_vprintf(format
, ap
);
628 retval
= command_run_line(context
, string
);
635 void command_set_output_handler(struct command_context
*context
,
636 command_output_handler_t output_handler
, void *priv
)
638 context
->output_handler
= output_handler
;
639 context
->output_handler_priv
= priv
;
642 struct command_context
*copy_command_context(struct command_context
*context
)
644 struct command_context
*copy_context
= malloc(sizeof(struct command_context
));
646 *copy_context
= *context
;
651 void command_done(struct command_context
*cmd_ctx
)
659 /* find full path to file */
660 static int jim_find(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
664 const char *file
= Jim_GetString(argv
[1], NULL
);
665 char *full_path
= find_file(file
);
668 Jim_Obj
*result
= Jim_NewStringObj(interp
, full_path
, strlen(full_path
));
671 Jim_SetResult(interp
, result
);
675 COMMAND_HANDLER(handle_echo
)
677 if (CMD_ARGC
== 2 && !strcmp(CMD_ARGV
[0], "-n")) {
678 LOG_USER_N("%s", CMD_ARGV
[1]);
685 LOG_USER("%s", CMD_ARGV
[0]);
689 /* Capture progress output and return as tcl return value. If the
690 * progress output was empty, return tcl return value.
692 static int jim_capture(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
697 struct log_capture_state
*state
= command_log_capture_start(interp
);
699 /* disable polling during capture. This avoids capturing output
702 * This is necessary in order to avoid accidentally getting a non-empty
703 * string for tcl fn's.
705 bool save_poll_mask
= jtag_poll_mask();
707 const char *str
= Jim_GetString(argv
[1], NULL
);
708 int retcode
= Jim_Eval_Named(interp
, str
, __THIS__FILE__
, __LINE__
);
710 jtag_poll_unmask(save_poll_mask
);
712 command_log_capture_finish(state
);
724 static COMMAND_HELPER(command_help_show
, struct help_entry
*c
,
725 bool show_help
, const char *cmd_match
);
727 static COMMAND_HELPER(command_help_show_list
, bool show_help
, const char *cmd_match
)
729 struct help_entry
*entry
;
731 list_for_each_entry(entry
, CMD_CTX
->help_list
, lh
)
732 CALL_COMMAND_HANDLER(command_help_show
, entry
, show_help
, cmd_match
);
736 #define HELP_LINE_WIDTH(_n) (int)(76 - (2 * _n))
738 static void command_help_show_indent(unsigned n
)
740 for (unsigned i
= 0; i
< n
; i
++)
743 static void command_help_show_wrap(const char *str
, unsigned n
, unsigned n2
)
745 const char *cp
= str
, *last
= str
;
747 const char *next
= last
;
752 } while (*next
!= ' ' && *next
!= '\t' && *next
!= '\0');
753 } while ((next
- last
< HELP_LINE_WIDTH(n
)) && *next
!= '\0');
754 if (next
- last
< HELP_LINE_WIDTH(n
))
756 command_help_show_indent(n
);
757 LOG_USER("%.*s", (int)(cp
- last
), last
);
763 static COMMAND_HELPER(command_help_show
, struct help_entry
*c
,
764 bool show_help
, const char *cmd_match
)
767 for (const char *s
= strchr(c
->cmd_name
, ' '); s
; s
= strchr(s
+ 1, ' '))
770 /* If the match string occurs anywhere, we print out
771 * stuff for this command. */
772 bool is_match
= strstr(c
->cmd_name
, cmd_match
) ||
773 (c
->usage
&& strstr(c
->usage
, cmd_match
)) ||
774 (c
->help
&& strstr(c
->help
, cmd_match
));
777 if (c
->usage
&& strlen(c
->usage
) > 0) {
778 char *msg
= alloc_printf("%s %s", c
->cmd_name
, c
->usage
);
779 command_help_show_wrap(msg
, n
, n
+ 5);
782 command_help_show_wrap(c
->cmd_name
, n
, n
+ 5);
786 if (is_match
&& show_help
) {
789 /* TODO: factorize jim_command_mode() to avoid running jim command here */
790 char *request
= alloc_printf("command mode %s", c
->cmd_name
);
792 LOG_ERROR("Out of memory");
795 int retval
= Jim_Eval(CMD_CTX
->interp
, request
);
797 enum command_mode mode
= COMMAND_UNKNOWN
;
798 if (retval
!= JIM_ERR
) {
799 const char *result
= Jim_GetString(Jim_GetResult(CMD_CTX
->interp
), NULL
);
800 if (!strcmp(result
, "any"))
802 else if (!strcmp(result
, "config"))
803 mode
= COMMAND_CONFIG
;
804 else if (!strcmp(result
, "exec"))
808 /* Normal commands are runtime-only; highlight exceptions */
809 if (mode
!= COMMAND_EXEC
) {
810 const char *stage_msg
= "";
814 stage_msg
= " (configuration command)";
817 stage_msg
= " (command valid any time)";
820 stage_msg
= " (?mode error?)";
823 msg
= alloc_printf("%s%s", c
->help
? c
->help
: "", stage_msg
);
825 msg
= alloc_printf("%s", c
->help
? c
->help
: "");
828 command_help_show_wrap(msg
, n
+ 3, n
+ 3);
837 COMMAND_HANDLER(handle_help_command
)
839 bool full
= strcmp(CMD_NAME
, "help") == 0;
844 cmd_match
= strdup("");
847 cmd_match
= strdup(CMD_ARGV
[0]);
849 for (unsigned int i
= 1; i
< CMD_ARGC
&& cmd_match
; ++i
) {
850 char *prev
= cmd_match
;
851 cmd_match
= alloc_printf("%s %s", prev
, CMD_ARGV
[i
]);
857 LOG_ERROR("unable to build search string");
860 retval
= CALL_COMMAND_HANDLER(command_help_show_list
, full
, cmd_match
);
866 static char *alloc_concatenate_strings(int argc
, Jim_Obj
* const *argv
)
873 all
= strdup(Jim_GetString(argv
[0], NULL
));
875 LOG_ERROR("Out of memory");
879 for (i
= 1; i
< argc
; ++i
) {
881 all
= alloc_printf("%s %s", all
, Jim_GetString(argv
[i
], NULL
));
884 LOG_ERROR("Out of memory");
892 static int exec_command(Jim_Interp
*interp
, struct command_context
*cmd_ctx
,
893 struct command
*c
, int argc
, Jim_Obj
* const *argv
)
896 return c
->jim_handler(interp
, argc
, argv
);
900 char **words
= script_command_args_alloc(argc
, argv
, &nwords
);
904 int retval
= run_command(cmd_ctx
, c
, (const char **)words
, nwords
);
905 script_command_args_free(words
, nwords
);
906 return command_retval_set(interp
, retval
);
909 static int jim_command_dispatch(Jim_Interp
*interp
, int argc
, Jim_Obj
* const *argv
)
911 /* check subcommands */
913 char *s
= alloc_printf("%s %s", Jim_GetString(argv
[0], NULL
), Jim_GetString(argv
[1], NULL
));
914 Jim_Obj
*js
= Jim_NewStringObj(interp
, s
, -1);
915 Jim_IncrRefCount(js
);
917 Jim_Cmd
*cmd
= Jim_GetCommand(interp
, js
, JIM_NONE
);
919 int retval
= Jim_EvalObjPrefix(interp
, js
, argc
- 2, argv
+ 2);
920 Jim_DecrRefCount(interp
, js
);
923 Jim_DecrRefCount(interp
, js
);
926 script_debug(interp
, argc
, argv
);
928 struct command
*c
= jim_to_command(interp
);
929 if (!c
->jim_handler
&& !c
->handler
) {
930 Jim_EvalObjPrefix(interp
, Jim_NewStringObj(interp
, "usage", -1), 1, argv
);
934 struct command_context
*cmd_ctx
= current_command_context(interp
);
936 if (!command_can_run(cmd_ctx
, c
, Jim_GetString(argv
[0], NULL
)))
940 * TODO: to be removed after v0.12.0
941 * workaround for https://sourceforge.net/p/openocd/tickets/362/
942 * After syntax change of "expr" in jimtcl 0.81
943 * the replacement of jimtcl "expr" with openocd version in
944 * https://review.openocd.org/6510/
945 * introduces too many target polling during math expressions with
947 * After v0.12.0 replace the following two lines with
948 * target_call_timer_callbacks();
950 if (strcmp(c
->name
, "expr"))
951 target_call_timer_callbacks_now();
954 * Black magic of overridden current target:
955 * If the command we are going to handle has a target prefix,
956 * override the current target temporarily for the time
957 * of processing the command.
958 * current_target_override is used also for event handlers
959 * therefore we prevent touching it if command has no prefix.
960 * Previous override is saved and restored back to ensure
961 * correct work when jim_command_dispatch() is re-entered.
963 struct target
*saved_target_override
= cmd_ctx
->current_target_override
;
964 if (c
->jim_override_target
)
965 cmd_ctx
->current_target_override
= c
->jim_override_target
;
967 int retval
= exec_command(interp
, cmd_ctx
, c
, argc
, argv
);
969 if (c
->jim_override_target
)
970 cmd_ctx
->current_target_override
= saved_target_override
;
975 static int jim_command_mode(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
977 struct command_context
*cmd_ctx
= current_command_context(interp
);
978 enum command_mode mode
;
981 char *full_name
= alloc_concatenate_strings(argc
- 1, argv
+ 1);
984 Jim_Obj
*s
= Jim_NewStringObj(interp
, full_name
, -1);
986 Jim_Cmd
*cmd
= Jim_GetCommand(interp
, s
, JIM_NONE
);
987 Jim_DecrRefCount(interp
, s
);
989 if (!cmd
|| !(jimcmd_is_proc(cmd
) || jimcmd_is_oocd_command(cmd
))) {
990 Jim_SetResultString(interp
, "unknown", -1);
994 if (jimcmd_is_proc(cmd
)) {
998 struct command
*c
= jimcmd_privdata(cmd
);
1003 mode
= cmd_ctx
->mode
;
1005 const char *mode_str
;
1010 case COMMAND_CONFIG
:
1011 mode_str
= "config";
1017 mode_str
= "unknown";
1020 Jim_SetResultString(interp
, mode_str
, -1);
1024 int help_del_all_commands(struct command_context
*cmd_ctx
)
1026 struct help_entry
*curr
, *n
;
1028 list_for_each_entry_safe(curr
, n
, cmd_ctx
->help_list
, lh
) {
1029 list_del(&curr
->lh
);
1030 free(curr
->cmd_name
);
1038 static int help_del_command(struct command_context
*cmd_ctx
, const char *cmd_name
)
1040 struct help_entry
*curr
;
1042 list_for_each_entry(curr
, cmd_ctx
->help_list
, lh
) {
1043 if (!strcmp(cmd_name
, curr
->cmd_name
)) {
1044 list_del(&curr
->lh
);
1045 free(curr
->cmd_name
);
1056 static int help_add_command(struct command_context
*cmd_ctx
,
1057 const char *cmd_name
, const char *help_text
, const char *usage_text
)
1059 int cmp
= -1; /* add after curr */
1060 struct help_entry
*curr
;
1062 list_for_each_entry_reverse(curr
, cmd_ctx
->help_list
, lh
) {
1063 cmp
= strcmp(cmd_name
, curr
->cmd_name
);
1068 struct help_entry
*entry
;
1070 entry
= calloc(1, sizeof(*entry
));
1072 LOG_ERROR("Out of memory");
1075 entry
->cmd_name
= strdup(cmd_name
);
1076 if (!entry
->cmd_name
) {
1077 LOG_ERROR("Out of memory");
1081 list_add(&entry
->lh
, &curr
->lh
);
1087 char *text
= strdup(help_text
);
1089 LOG_ERROR("Out of memory");
1097 char *text
= strdup(usage_text
);
1099 LOG_ERROR("Out of memory");
1103 entry
->usage
= text
;
1109 COMMAND_HANDLER(handle_help_add_command
)
1112 return ERROR_COMMAND_SYNTAX_ERROR
;
1114 const char *help
= !strcmp(CMD_NAME
, "add_help_text") ? CMD_ARGV
[1] : NULL
;
1115 const char *usage
= !strcmp(CMD_NAME
, "add_usage_text") ? CMD_ARGV
[1] : NULL
;
1116 if (!help
&& !usage
) {
1117 LOG_ERROR("command name '%s' is unknown", CMD_NAME
);
1118 return ERROR_COMMAND_SYNTAX_ERROR
;
1120 const char *cmd_name
= CMD_ARGV
[0];
1121 return help_add_command(CMD_CTX
, cmd_name
, help
, usage
);
1124 /* sleep command sleeps for <n> milliseconds
1125 * this is useful in target startup scripts
1127 COMMAND_HANDLER(handle_sleep_command
)
1130 if (CMD_ARGC
== 2) {
1131 if (strcmp(CMD_ARGV
[1], "busy") == 0)
1134 return ERROR_COMMAND_SYNTAX_ERROR
;
1135 } else if (CMD_ARGC
< 1 || CMD_ARGC
> 2)
1136 return ERROR_COMMAND_SYNTAX_ERROR
;
1138 unsigned long duration
= 0;
1139 int retval
= parse_ulong(CMD_ARGV
[0], &duration
);
1140 if (retval
!= ERROR_OK
)
1144 int64_t then
= timeval_ms();
1145 while (timeval_ms() - then
< (int64_t)duration
) {
1146 target_call_timer_callbacks_now();
1151 busy_sleep(duration
);
1156 static const struct command_registration command_subcommand_handlers
[] = {
1159 .mode
= COMMAND_ANY
,
1160 .jim_handler
= jim_command_mode
,
1161 .usage
= "[command_name ...]",
1162 .help
= "Returns the command modes allowed by a command: "
1163 "'any', 'config', or 'exec'. If no command is "
1164 "specified, returns the current command mode. "
1165 "Returns 'unknown' if an unknown command is given. "
1166 "Command can be multiple tokens.",
1168 COMMAND_REGISTRATION_DONE
1171 static const struct command_registration command_builtin_handlers
[] = {
1174 .mode
= COMMAND_ANY
,
1175 .jim_handler
= jim_find
,
1176 .help
= "find full path to file",
1181 .mode
= COMMAND_ANY
,
1182 .jim_handler
= jim_capture
,
1183 .help
= "Capture progress output and return as tcl return value. If the "
1184 "progress output was empty, return tcl return value.",
1189 .handler
= handle_echo
,
1190 .mode
= COMMAND_ANY
,
1191 .help
= "Logs a message at \"user\" priority. "
1192 "Option \"-n\" suppresses trailing newline",
1193 .usage
= "[-n] string",
1196 .name
= "add_help_text",
1197 .handler
= handle_help_add_command
,
1198 .mode
= COMMAND_ANY
,
1199 .help
= "Add new command help text; "
1200 "Command can be multiple tokens.",
1201 .usage
= "command_name helptext_string",
1204 .name
= "add_usage_text",
1205 .handler
= handle_help_add_command
,
1206 .mode
= COMMAND_ANY
,
1207 .help
= "Add new command usage text; "
1208 "command can be multiple tokens.",
1209 .usage
= "command_name usage_string",
1213 .handler
= handle_sleep_command
,
1214 .mode
= COMMAND_ANY
,
1215 .help
= "Sleep for specified number of milliseconds. "
1216 "\"busy\" will busy wait instead (avoid this).",
1217 .usage
= "milliseconds ['busy']",
1221 .handler
= handle_help_command
,
1222 .mode
= COMMAND_ANY
,
1223 .help
= "Show full command help; "
1224 "command can be multiple tokens.",
1225 .usage
= "[command_name]",
1229 .handler
= handle_help_command
,
1230 .mode
= COMMAND_ANY
,
1231 .help
= "Show basic command usage; "
1232 "command can be multiple tokens.",
1233 .usage
= "[command_name]",
1237 .mode
= COMMAND_ANY
,
1238 .help
= "core command group (introspection)",
1239 .chain
= command_subcommand_handlers
,
1242 COMMAND_REGISTRATION_DONE
1245 struct command_context
*command_init(const char *startup_tcl
, Jim_Interp
*interp
)
1247 struct command_context
*context
= calloc(1, sizeof(struct command_context
));
1249 context
->mode
= COMMAND_EXEC
;
1251 /* context can be duplicated. Put list head on separate mem-chunk to keep list consistent */
1252 context
->help_list
= malloc(sizeof(*context
->help_list
));
1253 INIT_LIST_HEAD(context
->help_list
);
1255 /* Create a jim interpreter if we were not handed one */
1257 /* Create an interpreter */
1258 interp
= Jim_CreateInterp();
1259 /* Add all the Jim core commands */
1260 Jim_RegisterCoreCommands(interp
);
1261 Jim_InitStaticExtensions(interp
);
1264 context
->interp
= interp
;
1266 register_commands(context
, NULL
, command_builtin_handlers
);
1268 Jim_SetAssocData(interp
, "context", NULL
, context
);
1269 if (Jim_Eval_Named(interp
, startup_tcl
, "embedded:startup.tcl", 1) == JIM_ERR
) {
1270 LOG_ERROR("Failed to run startup.tcl (embedded into OpenOCD)");
1271 Jim_MakeErrorMessage(interp
);
1272 LOG_USER_N("%s", Jim_GetString(Jim_GetResult(interp
), NULL
));
1275 Jim_DeleteAssocData(interp
, "context");
1280 void command_exit(struct command_context
*context
)
1285 Jim_FreeInterp(context
->interp
);
1286 free(context
->help_list
);
1287 command_done(context
);
1290 int command_context_mode(struct command_context
*cmd_ctx
, enum command_mode mode
)
1293 return ERROR_COMMAND_SYNTAX_ERROR
;
1295 cmd_ctx
->mode
= mode
;
1299 void process_jim_events(struct command_context
*cmd_ctx
)
1301 static int recursion
;
1306 Jim_ProcessEvents(cmd_ctx
->interp
, JIM_ALL_EVENTS
| JIM_DONT_WAIT
);
1310 #define DEFINE_PARSE_NUM_TYPE(name, type, func, min, max) \
1311 int parse ## name(const char *str, type * ul) \
1314 LOG_ERROR("Invalid command argument"); \
1315 return ERROR_COMMAND_ARGUMENT_INVALID; \
1319 *ul = func(str, &end, 0); \
1321 LOG_ERROR("Invalid command argument"); \
1322 return ERROR_COMMAND_ARGUMENT_INVALID; \
1324 if ((max == *ul) && (errno == ERANGE)) { \
1325 LOG_ERROR("Argument overflow"); \
1326 return ERROR_COMMAND_ARGUMENT_OVERFLOW; \
1328 if (min && (min == *ul) && (errno == ERANGE)) { \
1329 LOG_ERROR("Argument underflow"); \
1330 return ERROR_COMMAND_ARGUMENT_UNDERFLOW; \
1334 DEFINE_PARSE_NUM_TYPE(_ulong
, unsigned long, strtoul
, 0, ULONG_MAX
)
1335 DEFINE_PARSE_NUM_TYPE(_ullong
, unsigned long long, strtoull
, 0, ULLONG_MAX
)
1336 DEFINE_PARSE_NUM_TYPE(_long
, long, strtol
, LONG_MIN
, LONG_MAX
)
1337 DEFINE_PARSE_NUM_TYPE(_llong
, long long, strtoll
, LLONG_MIN
, LLONG_MAX
)
1339 #define DEFINE_PARSE_WRAPPER(name, type, min, max, functype, funcname) \
1340 int parse ## name(const char *str, type * ul) \
1343 int retval = parse ## funcname(str, &n); \
1344 if (retval != ERROR_OK) \
1347 return ERROR_COMMAND_ARGUMENT_OVERFLOW; \
1349 return ERROR_COMMAND_ARGUMENT_UNDERFLOW; \
1354 #define DEFINE_PARSE_ULONGLONG(name, type, min, max) \
1355 DEFINE_PARSE_WRAPPER(name, type, min, max, unsigned long long, _ullong)
1356 DEFINE_PARSE_ULONGLONG(_uint
, unsigned, 0, UINT_MAX
)
1357 DEFINE_PARSE_ULONGLONG(_u64
, uint64_t, 0, UINT64_MAX
)
1358 DEFINE_PARSE_ULONGLONG(_u32
, uint32_t, 0, UINT32_MAX
)
1359 DEFINE_PARSE_ULONGLONG(_u16
, uint16_t, 0, UINT16_MAX
)
1360 DEFINE_PARSE_ULONGLONG(_u8
, uint8_t, 0, UINT8_MAX
)
1362 DEFINE_PARSE_ULONGLONG(_target_addr
, target_addr_t
, 0, TARGET_ADDR_MAX
)
1364 #define DEFINE_PARSE_LONGLONG(name, type, min, max) \
1365 DEFINE_PARSE_WRAPPER(name, type, min, max, long long, _llong)
1366 DEFINE_PARSE_LONGLONG(_int
, int, n
< INT_MIN
, INT_MAX
)
1367 DEFINE_PARSE_LONGLONG(_s64
, int64_t, n
< INT64_MIN
, INT64_MAX
)
1368 DEFINE_PARSE_LONGLONG(_s32
, int32_t, n
< INT32_MIN
, INT32_MAX
)
1369 DEFINE_PARSE_LONGLONG(_s16
, int16_t, n
< INT16_MIN
, INT16_MAX
)
1370 DEFINE_PARSE_LONGLONG(_s8
, int8_t, n
< INT8_MIN
, INT8_MAX
)
1372 static int command_parse_bool(const char *in
, bool *out
,
1373 const char *on
, const char *off
)
1375 if (strcasecmp(in
, on
) == 0)
1377 else if (strcasecmp(in
, off
) == 0)
1380 return ERROR_COMMAND_SYNTAX_ERROR
;
1384 int command_parse_bool_arg(const char *in
, bool *out
)
1386 if (command_parse_bool(in
, out
, "on", "off") == ERROR_OK
)
1388 if (command_parse_bool(in
, out
, "enable", "disable") == ERROR_OK
)
1390 if (command_parse_bool(in
, out
, "true", "false") == ERROR_OK
)
1392 if (command_parse_bool(in
, out
, "yes", "no") == ERROR_OK
)
1394 if (command_parse_bool(in
, out
, "1", "0") == ERROR_OK
)
1396 return ERROR_COMMAND_SYNTAX_ERROR
;
1399 COMMAND_HELPER(handle_command_parse_bool
, bool *out
, const char *label
)
1403 const char *in
= CMD_ARGV
[0];
1404 if (command_parse_bool_arg(in
, out
) != ERROR_OK
) {
1405 LOG_ERROR("%s: argument '%s' is not valid", CMD_NAME
, in
);
1406 return ERROR_COMMAND_SYNTAX_ERROR
;
1411 LOG_INFO("%s is %s", label
, *out
? "enabled" : "disabled");
1414 return ERROR_COMMAND_SYNTAX_ERROR
;
Linking to existing account procedure
If you already have an account and want to add another login method
you
MUST first sign in with your existing account and
then change URL to read
https://review.openocd.org/login/?link
to get to this page again but this time it'll work for linking. Thank you.
SSH host keys fingerprints
1024 SHA256:YKx8b7u5ZWdcbp7/4AeXNaqElP49m6QrwfXaqQGJAOk gerrit-code-review@openocd.zylin.com (DSA)
384 SHA256:jHIbSQa4REvwCFG4cq5LBlBLxmxSqelQPem/EXIrxjk gerrit-code-review@openocd.org (ECDSA)
521 SHA256:UAOPYkU9Fjtcao0Ul/Rrlnj/OsQvt+pgdYSZ4jOYdgs gerrit-code-review@openocd.org (ECDSA)
256 SHA256:A13M5QlnozFOvTllybRZH6vm7iSt0XLxbA48yfc2yfY gerrit-code-review@openocd.org (ECDSA)
256 SHA256:spYMBqEYoAOtK7yZBrcwE8ZpYt6b68Cfh9yEVetvbXg gerrit-code-review@openocd.org (ED25519)
+--[ED25519 256]--+
|=.. |
|+o.. . |
|*.o . . |
|+B . . . |
|Bo. = o S |
|Oo.+ + = |
|oB=.* = . o |
| =+=.+ + E |
|. .=o . o |
+----[SHA256]-----+
2048 SHA256:0Onrb7/PHjpo6iVZ7xQX2riKN83FJ3KGU0TvI0TaFG4 gerrit-code-review@openocd.zylin.com (RSA)