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
)))
939 target_call_timer_callbacks();
942 * Black magic of overridden current target:
943 * If the command we are going to handle has a target prefix,
944 * override the current target temporarily for the time
945 * of processing the command.
946 * current_target_override is used also for event handlers
947 * therefore we prevent touching it if command has no prefix.
948 * Previous override is saved and restored back to ensure
949 * correct work when jim_command_dispatch() is re-entered.
951 struct target
*saved_target_override
= cmd_ctx
->current_target_override
;
952 if (c
->jim_override_target
)
953 cmd_ctx
->current_target_override
= c
->jim_override_target
;
955 int retval
= exec_command(interp
, cmd_ctx
, c
, argc
, argv
);
957 if (c
->jim_override_target
)
958 cmd_ctx
->current_target_override
= saved_target_override
;
963 static int jim_command_mode(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
965 struct command_context
*cmd_ctx
= current_command_context(interp
);
966 enum command_mode mode
;
969 char *full_name
= alloc_concatenate_strings(argc
- 1, argv
+ 1);
972 Jim_Obj
*s
= Jim_NewStringObj(interp
, full_name
, -1);
974 Jim_Cmd
*cmd
= Jim_GetCommand(interp
, s
, JIM_NONE
);
975 Jim_DecrRefCount(interp
, s
);
977 if (!cmd
|| !(jimcmd_is_proc(cmd
) || jimcmd_is_oocd_command(cmd
))) {
978 Jim_SetResultString(interp
, "unknown", -1);
982 if (jimcmd_is_proc(cmd
)) {
986 struct command
*c
= jimcmd_privdata(cmd
);
991 mode
= cmd_ctx
->mode
;
993 const char *mode_str
;
1005 mode_str
= "unknown";
1008 Jim_SetResultString(interp
, mode_str
, -1);
1012 int help_del_all_commands(struct command_context
*cmd_ctx
)
1014 struct help_entry
*curr
, *n
;
1016 list_for_each_entry_safe(curr
, n
, cmd_ctx
->help_list
, lh
) {
1017 list_del(&curr
->lh
);
1018 free(curr
->cmd_name
);
1026 static int help_del_command(struct command_context
*cmd_ctx
, const char *cmd_name
)
1028 struct help_entry
*curr
;
1030 list_for_each_entry(curr
, cmd_ctx
->help_list
, lh
) {
1031 if (!strcmp(cmd_name
, curr
->cmd_name
)) {
1032 list_del(&curr
->lh
);
1033 free(curr
->cmd_name
);
1044 static int help_add_command(struct command_context
*cmd_ctx
,
1045 const char *cmd_name
, const char *help_text
, const char *usage_text
)
1047 int cmp
= -1; /* add after curr */
1048 struct help_entry
*curr
;
1050 list_for_each_entry_reverse(curr
, cmd_ctx
->help_list
, lh
) {
1051 cmp
= strcmp(cmd_name
, curr
->cmd_name
);
1056 struct help_entry
*entry
;
1058 entry
= calloc(1, sizeof(*entry
));
1060 LOG_ERROR("Out of memory");
1063 entry
->cmd_name
= strdup(cmd_name
);
1064 if (!entry
->cmd_name
) {
1065 LOG_ERROR("Out of memory");
1069 list_add(&entry
->lh
, &curr
->lh
);
1075 char *text
= strdup(help_text
);
1077 LOG_ERROR("Out of memory");
1085 char *text
= strdup(usage_text
);
1087 LOG_ERROR("Out of memory");
1091 entry
->usage
= text
;
1097 COMMAND_HANDLER(handle_help_add_command
)
1100 return ERROR_COMMAND_SYNTAX_ERROR
;
1102 const char *help
= !strcmp(CMD_NAME
, "add_help_text") ? CMD_ARGV
[1] : NULL
;
1103 const char *usage
= !strcmp(CMD_NAME
, "add_usage_text") ? CMD_ARGV
[1] : NULL
;
1104 if (!help
&& !usage
) {
1105 LOG_ERROR("command name '%s' is unknown", CMD_NAME
);
1106 return ERROR_COMMAND_SYNTAX_ERROR
;
1108 const char *cmd_name
= CMD_ARGV
[0];
1109 return help_add_command(CMD_CTX
, cmd_name
, help
, usage
);
1112 /* sleep command sleeps for <n> milliseconds
1113 * this is useful in target startup scripts
1115 COMMAND_HANDLER(handle_sleep_command
)
1118 if (CMD_ARGC
== 2) {
1119 if (strcmp(CMD_ARGV
[1], "busy") == 0)
1122 return ERROR_COMMAND_SYNTAX_ERROR
;
1123 } else if (CMD_ARGC
< 1 || CMD_ARGC
> 2)
1124 return ERROR_COMMAND_SYNTAX_ERROR
;
1126 unsigned long duration
= 0;
1127 int retval
= parse_ulong(CMD_ARGV
[0], &duration
);
1128 if (retval
!= ERROR_OK
)
1132 int64_t then
= timeval_ms();
1133 while (timeval_ms() - then
< (int64_t)duration
) {
1134 target_call_timer_callbacks_now();
1139 busy_sleep(duration
);
1144 static const struct command_registration command_subcommand_handlers
[] = {
1147 .mode
= COMMAND_ANY
,
1148 .jim_handler
= jim_command_mode
,
1149 .usage
= "[command_name ...]",
1150 .help
= "Returns the command modes allowed by a command: "
1151 "'any', 'config', or 'exec'. If no command is "
1152 "specified, returns the current command mode. "
1153 "Returns 'unknown' if an unknown command is given. "
1154 "Command can be multiple tokens.",
1156 COMMAND_REGISTRATION_DONE
1159 static const struct command_registration command_builtin_handlers
[] = {
1162 .mode
= COMMAND_ANY
,
1163 .jim_handler
= jim_find
,
1164 .help
= "find full path to file",
1169 .mode
= COMMAND_ANY
,
1170 .jim_handler
= jim_capture
,
1171 .help
= "Capture progress output and return as tcl return value. If the "
1172 "progress output was empty, return tcl return value.",
1177 .handler
= handle_echo
,
1178 .mode
= COMMAND_ANY
,
1179 .help
= "Logs a message at \"user\" priority. "
1180 "Option \"-n\" suppresses trailing newline",
1181 .usage
= "[-n] string",
1184 .name
= "add_help_text",
1185 .handler
= handle_help_add_command
,
1186 .mode
= COMMAND_ANY
,
1187 .help
= "Add new command help text; "
1188 "Command can be multiple tokens.",
1189 .usage
= "command_name helptext_string",
1192 .name
= "add_usage_text",
1193 .handler
= handle_help_add_command
,
1194 .mode
= COMMAND_ANY
,
1195 .help
= "Add new command usage text; "
1196 "command can be multiple tokens.",
1197 .usage
= "command_name usage_string",
1201 .handler
= handle_sleep_command
,
1202 .mode
= COMMAND_ANY
,
1203 .help
= "Sleep for specified number of milliseconds. "
1204 "\"busy\" will busy wait instead (avoid this).",
1205 .usage
= "milliseconds ['busy']",
1209 .handler
= handle_help_command
,
1210 .mode
= COMMAND_ANY
,
1211 .help
= "Show full command help; "
1212 "command can be multiple tokens.",
1213 .usage
= "[command_name]",
1217 .handler
= handle_help_command
,
1218 .mode
= COMMAND_ANY
,
1219 .help
= "Show basic command usage; "
1220 "command can be multiple tokens.",
1221 .usage
= "[command_name]",
1225 .mode
= COMMAND_ANY
,
1226 .help
= "core command group (introspection)",
1227 .chain
= command_subcommand_handlers
,
1230 COMMAND_REGISTRATION_DONE
1233 struct command_context
*command_init(const char *startup_tcl
, Jim_Interp
*interp
)
1235 struct command_context
*context
= calloc(1, sizeof(struct command_context
));
1237 context
->mode
= COMMAND_EXEC
;
1239 /* context can be duplicated. Put list head on separate mem-chunk to keep list consistent */
1240 context
->help_list
= malloc(sizeof(*context
->help_list
));
1241 INIT_LIST_HEAD(context
->help_list
);
1243 /* Create a jim interpreter if we were not handed one */
1245 /* Create an interpreter */
1246 interp
= Jim_CreateInterp();
1247 /* Add all the Jim core commands */
1248 Jim_RegisterCoreCommands(interp
);
1249 Jim_InitStaticExtensions(interp
);
1252 context
->interp
= interp
;
1254 register_commands(context
, NULL
, command_builtin_handlers
);
1256 Jim_SetAssocData(interp
, "context", NULL
, context
);
1257 if (Jim_Eval_Named(interp
, startup_tcl
, "embedded:startup.tcl", 1) == JIM_ERR
) {
1258 LOG_ERROR("Failed to run startup.tcl (embedded into OpenOCD)");
1259 Jim_MakeErrorMessage(interp
);
1260 LOG_USER_N("%s", Jim_GetString(Jim_GetResult(interp
), NULL
));
1263 Jim_DeleteAssocData(interp
, "context");
1268 void command_exit(struct command_context
*context
)
1273 Jim_FreeInterp(context
->interp
);
1274 free(context
->help_list
);
1275 command_done(context
);
1278 int command_context_mode(struct command_context
*cmd_ctx
, enum command_mode mode
)
1281 return ERROR_COMMAND_SYNTAX_ERROR
;
1283 cmd_ctx
->mode
= mode
;
1287 void process_jim_events(struct command_context
*cmd_ctx
)
1289 static int recursion
;
1294 Jim_ProcessEvents(cmd_ctx
->interp
, JIM_ALL_EVENTS
| JIM_DONT_WAIT
);
1298 #define DEFINE_PARSE_NUM_TYPE(name, type, func, min, max) \
1299 int parse ## name(const char *str, type * ul) \
1302 LOG_ERROR("Invalid command argument"); \
1303 return ERROR_COMMAND_ARGUMENT_INVALID; \
1307 *ul = func(str, &end, 0); \
1309 LOG_ERROR("Invalid command argument"); \
1310 return ERROR_COMMAND_ARGUMENT_INVALID; \
1312 if ((max == *ul) && (errno == ERANGE)) { \
1313 LOG_ERROR("Argument overflow"); \
1314 return ERROR_COMMAND_ARGUMENT_OVERFLOW; \
1316 if (min && (min == *ul) && (errno == ERANGE)) { \
1317 LOG_ERROR("Argument underflow"); \
1318 return ERROR_COMMAND_ARGUMENT_UNDERFLOW; \
1322 DEFINE_PARSE_NUM_TYPE(_ulong
, unsigned long, strtoul
, 0, ULONG_MAX
)
1323 DEFINE_PARSE_NUM_TYPE(_ullong
, unsigned long long, strtoull
, 0, ULLONG_MAX
)
1324 DEFINE_PARSE_NUM_TYPE(_long
, long, strtol
, LONG_MIN
, LONG_MAX
)
1325 DEFINE_PARSE_NUM_TYPE(_llong
, long long, strtoll
, LLONG_MIN
, LLONG_MAX
)
1327 #define DEFINE_PARSE_WRAPPER(name, type, min, max, functype, funcname) \
1328 int parse ## name(const char *str, type * ul) \
1331 int retval = parse ## funcname(str, &n); \
1332 if (retval != ERROR_OK) \
1335 return ERROR_COMMAND_ARGUMENT_OVERFLOW; \
1337 return ERROR_COMMAND_ARGUMENT_UNDERFLOW; \
1342 #define DEFINE_PARSE_ULONGLONG(name, type, min, max) \
1343 DEFINE_PARSE_WRAPPER(name, type, min, max, unsigned long long, _ullong)
1344 DEFINE_PARSE_ULONGLONG(_uint
, unsigned, 0, UINT_MAX
)
1345 DEFINE_PARSE_ULONGLONG(_u64
, uint64_t, 0, UINT64_MAX
)
1346 DEFINE_PARSE_ULONGLONG(_u32
, uint32_t, 0, UINT32_MAX
)
1347 DEFINE_PARSE_ULONGLONG(_u16
, uint16_t, 0, UINT16_MAX
)
1348 DEFINE_PARSE_ULONGLONG(_u8
, uint8_t, 0, UINT8_MAX
)
1350 DEFINE_PARSE_ULONGLONG(_target_addr
, target_addr_t
, 0, TARGET_ADDR_MAX
)
1352 #define DEFINE_PARSE_LONGLONG(name, type, min, max) \
1353 DEFINE_PARSE_WRAPPER(name, type, min, max, long long, _llong)
1354 DEFINE_PARSE_LONGLONG(_int
, int, n
< INT_MIN
, INT_MAX
)
1355 DEFINE_PARSE_LONGLONG(_s64
, int64_t, n
< INT64_MIN
, INT64_MAX
)
1356 DEFINE_PARSE_LONGLONG(_s32
, int32_t, n
< INT32_MIN
, INT32_MAX
)
1357 DEFINE_PARSE_LONGLONG(_s16
, int16_t, n
< INT16_MIN
, INT16_MAX
)
1358 DEFINE_PARSE_LONGLONG(_s8
, int8_t, n
< INT8_MIN
, INT8_MAX
)
1360 static int command_parse_bool(const char *in
, bool *out
,
1361 const char *on
, const char *off
)
1363 if (strcasecmp(in
, on
) == 0)
1365 else if (strcasecmp(in
, off
) == 0)
1368 return ERROR_COMMAND_SYNTAX_ERROR
;
1372 int command_parse_bool_arg(const char *in
, bool *out
)
1374 if (command_parse_bool(in
, out
, "on", "off") == ERROR_OK
)
1376 if (command_parse_bool(in
, out
, "enable", "disable") == ERROR_OK
)
1378 if (command_parse_bool(in
, out
, "true", "false") == ERROR_OK
)
1380 if (command_parse_bool(in
, out
, "yes", "no") == ERROR_OK
)
1382 if (command_parse_bool(in
, out
, "1", "0") == ERROR_OK
)
1384 return ERROR_COMMAND_SYNTAX_ERROR
;
1387 COMMAND_HELPER(handle_command_parse_bool
, bool *out
, const char *label
)
1391 const char *in
= CMD_ARGV
[0];
1392 if (command_parse_bool_arg(in
, out
) != ERROR_OK
) {
1393 LOG_ERROR("%s: argument '%s' is not valid", CMD_NAME
, in
);
1394 return ERROR_COMMAND_SYNTAX_ERROR
;
1399 LOG_INFO("%s is %s", label
, *out
? "enabled" : "disabled");
1402 return ERROR_COMMAND_SYNTAX_ERROR
;
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