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SEGFAULT gaffe in dummy register handling
[openocd] / src / target / target.c
1 /***************************************************************************
2  *   Copyright (C) 2005 by Dominic Rath                                    *
3  *   Dominic.Rath@gmx.de                                                   *
4  *                                                                         *
5  *   Copyright (C) 2007,2008 Ã˜yvind Harboe                                 *
6  *   oyvind.harboe@zylin.com                                               *
7  *                                                                         *
8  *   Copyright (C) 2008, Duane Ellis                                       *
9  *   openocd@duaneeellis.com                                               *
10  *                                                                         *
11  *   Copyright (C) 2008 by Spencer Oliver                                  *
12  *   spen@spen-soft.co.uk                                                  *
13  *                                                                         *
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.                                   *
18  *                                                                         *
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.                          *
23  *                                                                         *
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  ***************************************************************************/
29 #ifdef HAVE_CONFIG_H
30 #include "config.h"
31 #endif
32
33 #include "replacements.h"
34 #include "target.h"
35 #include "target_request.h"
36
37 #include "log.h"
38 #include "configuration.h"
39 #include "binarybuffer.h"
40 #include "jtag.h"
41
42 #include <string.h>
43 #include <stdlib.h>
44 #include <inttypes.h>
45
46 #include <sys/types.h>
47 #include <sys/stat.h>
48 #include <unistd.h>
49 #include <errno.h>
50
51 #include <sys/time.h>
52 #include <time.h>
53
54 #include <time_support.h>
55
56 #include <fileio.h>
57 #include <image.h>
58
59 static int USE_OLD_RESET = 0; // temp
60
61 int cli_target_callback_event_handler(struct target_s *target, enum target_event event, void *priv);
62
63
64 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
65
66 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
67
68 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
69 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
70 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
71 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
72 int handle_NEWreset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
73 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
74 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
75 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
76 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
77 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
78 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
79 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
80 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
81 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
82 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
83 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
84 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
85 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
86 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc);
87 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
88 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
89 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
90 static int jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv);
91
92 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
93 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
94
95
96
97 /* targets */
98 extern target_type_t arm7tdmi_target;
99 extern target_type_t arm720t_target;
100 extern target_type_t arm9tdmi_target;
101 extern target_type_t arm920t_target;
102 extern target_type_t arm966e_target;
103 extern target_type_t arm926ejs_target;
104 extern target_type_t feroceon_target;
105 extern target_type_t xscale_target;
106 extern target_type_t cortexm3_target;
107 extern target_type_t arm11_target;
108 extern target_type_t mips_m4k_target;
109
110 target_type_t *target_types[] =
111 {
112         &arm7tdmi_target,
113         &arm9tdmi_target,
114         &arm920t_target,
115         &arm720t_target,
116         &arm966e_target,
117         &arm926ejs_target,
118         &feroceon_target,
119         &xscale_target,
120         &cortexm3_target,
121         &arm11_target,
122         &mips_m4k_target,
123         NULL,
124 };
125
126 target_t *all_targets = NULL;
127 target_event_callback_t *target_event_callbacks = NULL;
128 target_timer_callback_t *target_timer_callbacks = NULL;
129
130 const Jim_Nvp nvp_assert[] = {
131         { .name = "assert", NVP_ASSERT },
132         { .name = "deassert", NVP_DEASSERT },
133         { .name = "T", NVP_ASSERT },
134         { .name = "F", NVP_DEASSERT },
135         { .name = "t", NVP_ASSERT },
136         { .name = "f", NVP_DEASSERT },
137         { .name = NULL, .value = -1 }
138 };
139
140 const Jim_Nvp nvp_error_target[] = {
141         { .value = ERROR_TARGET_INVALID, .name = "err-invalid" },
142         { .value = ERROR_TARGET_INIT_FAILED, .name = "err-init-failed" },
143         { .value = ERROR_TARGET_TIMEOUT, .name = "err-timeout" },
144         { .value = ERROR_TARGET_NOT_HALTED, .name = "err-not-halted" },
145         { .value = ERROR_TARGET_FAILURE, .name = "err-failure" },
146         { .value = ERROR_TARGET_UNALIGNED_ACCESS   , .name = "err-unaligned-access" },
147         { .value = ERROR_TARGET_DATA_ABORT , .name = "err-data-abort" },
148         { .value = ERROR_TARGET_RESOURCE_NOT_AVAILABLE , .name = "err-resource-not-available" },
149         { .value = ERROR_TARGET_TRANSLATION_FAULT  , .name = "err-translation-fault" },
150         { .value = ERROR_TARGET_NOT_RUNNING, .name = "err-not-running" },
151         { .value = ERROR_TARGET_NOT_EXAMINED, .name = "err-not-examined" },
152         { .value = -1, .name = NULL }
153 };
154
155 const char *target_strerror_safe( int err )
156 {
157         const Jim_Nvp *n;
158
159         n = Jim_Nvp_value2name_simple( nvp_error_target, err );
160         if( n->name == NULL ){
161                 return "unknown";
162         } else {
163                 return n->name;
164         }
165 }
166
167 const Jim_Nvp nvp_target_event[] = {
168         { .value = TARGET_EVENT_OLD_pre_reset          , .name = "old-pre_reset" },
169         { .value = TARGET_EVENT_OLD_gdb_program_config , .name = "old-gdb_program_config" },
170         { .value = TARGET_EVENT_OLD_post_reset         , .name = "old-post_reset" },
171         { .value = TARGET_EVENT_OLD_pre_resume         , .name = "old-pre_resume" },
172
173
174         { .value = TARGET_EVENT_EARLY_HALTED, .name = "early-halted" },
175         { .value = TARGET_EVENT_HALTED, .name = "halted" },
176         { .value = TARGET_EVENT_RESUMED, .name = "resumed" },
177         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
178         { .value = TARGET_EVENT_RESUME_END, .name = "resume-end" },
179
180         /* historical name */
181
182         { .value = TARGET_EVENT_RESET_START, .name = "reset-start" },
183
184         { .value = TARGET_EVENT_RESET_ASSERT_PRE,    .name = "reset-assert-pre" },
185         { .value = TARGET_EVENT_RESET_ASSERT_POST,   .name = "reset-assert-post" },
186         { .value = TARGET_EVENT_RESET_DEASSERT_PRE,  .name = "reset-deassert-pre" },
187         { .value = TARGET_EVENT_RESET_DEASSERT_POST, .name = "reset-deassert-post" },
188         { .value = TARGET_EVENT_RESET_HALT_PRE,      .name = "reset-halt-pre" },
189         { .value = TARGET_EVENT_RESET_HALT_POST,     .name = "reset-halt-post" },
190         { .value = TARGET_EVENT_RESET_WAIT_PRE,      .name = "reset-wait-pre" },
191         { .value = TARGET_EVENT_RESET_WAIT_POST,     .name = "reset-wait-post" },
192         { .value = TARGET_EVENT_RESET_INIT , .name = "reset-init" },
193         { .value = TARGET_EVENT_RESET_END, .name = "reset-end" },
194
195
196
197
198
199         { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-start" },
200         { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-end" },
201
202
203         { .value = TARGET_EVENT_DEBUG_HALTED, .name = "debug-halted" },
204         { .value = TARGET_EVENT_DEBUG_RESUMED, .name = "debug-resumed" },
205
206         { .value = TARGET_EVENT_GDB_ATTACH, .name = "gdb-attach" },
207         { .value = TARGET_EVENT_GDB_DETACH, .name = "gdb-detach" },
208
209
210         { .value = TARGET_EVENT_GDB_FLASH_WRITE_START, .name = "gdb-flash-write-start" },
211         { .value = TARGET_EVENT_GDB_FLASH_WRITE_END  , .name = "gdb-flash-write-end"   },
212
213         { .value = TARGET_EVENT_GDB_FLASH_ERASE_START, .name = "gdb-flash-erase-start" },
214         { .value = TARGET_EVENT_GDB_FLASH_ERASE_END  , .name = "gdb-flash-erase-end" },
215
216         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
217         { .value = TARGET_EVENT_RESUMED     , .name = "resume-ok" },
218         { .value = TARGET_EVENT_RESUME_END  , .name = "resume-end" },
219
220         { .name = NULL, .value = -1 }
221 };
222
223 const Jim_Nvp nvp_target_state[] = {
224         { .name = "unknown", .value = TARGET_UNKNOWN },
225         { .name = "running", .value = TARGET_RUNNING },
226         { .name = "halted",  .value = TARGET_HALTED },
227         { .name = "reset",   .value = TARGET_RESET },
228         { .name = "debug-running", .value = TARGET_DEBUG_RUNNING },
229         { .name = NULL, .value = -1 },
230 };
231
232
233 const Jim_Nvp nvp_target_debug_reason [] = {
234         { .name = "debug-request"            , .value = DBG_REASON_DBGRQ },
235         { .name = "breakpoint"               , .value = DBG_REASON_BREAKPOINT },
236         { .name = "watchpoint"               , .value = DBG_REASON_WATCHPOINT },
237         { .name = "watchpoint-and-breakpoint", .value = DBG_REASON_WPTANDBKPT },
238         { .name = "single-step"              , .value = DBG_REASON_SINGLESTEP },
239         { .name = "target-not-halted"        , .value = DBG_REASON_NOTHALTED  },
240         { .name = "undefined"                , .value = DBG_REASON_UNDEFINED },
241         { .name = NULL, .value = -1 },
242 };
243
244
245 const Jim_Nvp nvp_target_endian[] = {
246         { .name = "big",    .value = TARGET_BIG_ENDIAN },
247         { .name = "little", .value = TARGET_LITTLE_ENDIAN },
248         { .name = "be",     .value = TARGET_BIG_ENDIAN },
249         { .name = "le",     .value = TARGET_LITTLE_ENDIAN },
250         { .name = NULL,     .value = -1 },
251 };
252
253 const Jim_Nvp nvp_reset_modes[] = {
254         { .name = "unknown", .value = RESET_UNKNOWN },
255         { .name = "run"    , .value = RESET_RUN },
256         { .name = "halt"   , .value = RESET_HALT },
257         { .name = "init"   , .value = RESET_INIT },
258         { .name = NULL     , .value = -1 },
259 };
260
261 static int
262 max_target_number( void )
263 {
264         target_t *t;
265         int x;
266
267         x = -1;
268         t = all_targets;
269         while( t ){
270                 if( x < t->target_number ){
271                         x = (t->target_number)+1;
272                 }
273                 t = t->next;
274         }
275         return x;
276 }
277
278 /* determine the number of the new target */
279 static int
280 new_target_number( void )
281 {
282         target_t *t;
283         int x;
284
285         /* number is 0 based */
286         x = -1;
287         t = all_targets;
288         while(t){
289                 if( x < t->target_number ){
290                         x = t->target_number;
291                 }
292                 t = t->next;
293         }
294         return x+1;
295 }
296
297 static int target_continous_poll = 1;
298
299 /* read a u32 from a buffer in target memory endianness */
300 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
301 {
302         if (target->endianness == TARGET_LITTLE_ENDIAN)
303                 return le_to_h_u32(buffer);
304         else
305                 return be_to_h_u32(buffer);
306 }
307
308 /* read a u16 from a buffer in target memory endianness */
309 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
310 {
311         if (target->endianness == TARGET_LITTLE_ENDIAN)
312                 return le_to_h_u16(buffer);
313         else
314                 return be_to_h_u16(buffer);
315 }
316
317 /* read a u8 from a buffer in target memory endianness */
318 u8 target_buffer_get_u8(target_t *target, u8 *buffer)
319 {
320         return *buffer & 0x0ff;
321 }
322
323 /* write a u32 to a buffer in target memory endianness */
324 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
325 {
326         if (target->endianness == TARGET_LITTLE_ENDIAN)
327                 h_u32_to_le(buffer, value);
328         else
329                 h_u32_to_be(buffer, value);
330 }
331
332 /* write a u16 to a buffer in target memory endianness */
333 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
334 {
335         if (target->endianness == TARGET_LITTLE_ENDIAN)
336                 h_u16_to_le(buffer, value);
337         else
338                 h_u16_to_be(buffer, value);
339 }
340
341 /* write a u8 to a buffer in target memory endianness */
342 void target_buffer_set_u8(target_t *target, u8 *buffer, u8 value)
343 {
344         *buffer = value;
345 }
346
347 /* returns a pointer to the n-th configured target */
348 target_t* get_target_by_num(int num)
349 {
350         target_t *target = all_targets;
351
352         while (target){
353                 if( target->target_number == num ){
354                         return target;
355                 }
356                 target = target->next;
357         }
358
359         return NULL;
360 }
361
362 int get_num_by_target(target_t *query_target)
363 {
364         return query_target->target_number;
365 }
366
367 target_t* get_current_target(command_context_t *cmd_ctx)
368 {
369         target_t *target = get_target_by_num(cmd_ctx->current_target);
370
371         if (target == NULL)
372         {
373                 LOG_ERROR("BUG: current_target out of bounds");
374                 exit(-1);
375         }
376
377         return target;
378 }
379
380
381 int target_poll(struct target_s *target)
382 {
383         /* We can't poll until after examine */
384         if (!target->type->examined)
385         {
386                 /* Fail silently lest we pollute the log */
387                 return ERROR_FAIL;
388         }
389         return target->type->poll(target);
390 }
391
392 int target_halt(struct target_s *target)
393 {
394         /* We can't poll until after examine */
395         if (!target->type->examined)
396         {
397                 LOG_ERROR("Target not examined yet");
398                 return ERROR_FAIL;
399         }
400         return target->type->halt(target);
401 }
402
403 int target_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution)
404 {
405         int retval;
406
407         /* We can't poll until after examine */
408         if (!target->type->examined)
409         {
410                 LOG_ERROR("Target not examined yet");
411                 return ERROR_FAIL;
412         }
413
414         /* note that resume *must* be asynchronous. The CPU can halt before we poll. The CPU can
415          * even halt at the current PC as a result of a software breakpoint being inserted by (a bug?)
416          * the application.
417          */
418         if ((retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution)) != ERROR_OK)
419                 return retval;
420
421         return retval;
422 }
423
424
425 static int NEW_target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
426 {
427         char buf[100];
428         int retval;
429         Jim_Nvp *n;
430         n = Jim_Nvp_value2name_simple( nvp_reset_modes, reset_mode );
431         if( n->name == NULL ){
432                 LOG_ERROR("invalid reset mode");
433                 return ERROR_FAIL;
434         }
435
436         sprintf( buf, "ocd_process_reset %s", n->name );
437         retval = Jim_Eval( interp, buf );
438
439         if(retval != JIM_OK) {
440                 Jim_PrintErrorMessage(interp);
441                 return ERROR_FAIL;
442         }
443
444         /* We want any events to be processed before the prompt */
445         retval = target_call_timer_callbacks_now();
446
447         return retval;
448 }
449
450 // Next patch - this turns into TCL...
451 static int OLD_target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
452 {
453         int retval = ERROR_OK;
454         target_t *target;
455
456         target = all_targets;
457
458         target_all_handle_event( TARGET_EVENT_OLD_pre_reset );
459
460         if ((retval = jtag_init_reset(cmd_ctx)) != ERROR_OK)
461                 return retval;
462
463         keep_alive(); /* we might be running on a very slow JTAG clk */
464
465         /* First time this is executed after launching OpenOCD, it will read out
466          * the type of CPU, etc. and init Embedded ICE registers in host
467          * memory.
468          *
469          * It will also set up ICE registers in the target.
470          *
471          * However, if we assert TRST later, we need to set up the registers again.
472          *
473          * For the "reset halt/init" case we must only set up the registers here.
474          */
475         if ((retval = target_examine()) != ERROR_OK)
476                 return retval;
477
478         keep_alive(); /* we might be running on a very slow JTAG clk */
479
480         target = all_targets;
481         while (target)
482         {
483                 /* we have no idea what state the target is in, so we
484                  * have to drop working areas
485                  */
486                 target_free_all_working_areas_restore(target, 0);
487                 target->reset_halt=((reset_mode==RESET_HALT)||(reset_mode==RESET_INIT));
488                 if ((retval = target->type->assert_reset(target))!=ERROR_OK)
489                         return retval;
490                 target = target->next;
491         }
492
493         target = all_targets;
494         while (target)
495         {
496                 if ((retval = target->type->deassert_reset(target))!=ERROR_OK)
497                         return retval;
498                 target = target->next;
499         }
500
501         target = all_targets;
502         while (target)
503         {
504                 /* We can fail to bring the target into the halted state, try after reset has been deasserted  */
505                 if (target->reset_halt)
506                 {
507                         /* wait up to 1 second for halt. */
508                         if ((retval = target_wait_state(target, TARGET_HALTED, 1000)) != ERROR_OK)
509                                 return retval;
510                         if (target->state != TARGET_HALTED)
511                         {
512                                 LOG_WARNING("Failed to reset target into halted mode - issuing halt");
513                                 if ((retval = target->type->halt(target))!=ERROR_OK)
514                                         return retval;
515                         }
516                 }
517
518                 target = target->next;
519         }
520
521
522         LOG_DEBUG("Waiting for halted stated as appropriate");
523
524         if ((reset_mode == RESET_HALT) || (reset_mode == RESET_INIT))
525         {
526                 target = all_targets;
527                 while (target)
528                 {
529                         /* Wait for reset to complete, maximum 5 seconds. */
530                         if (((retval=target_wait_state(target, TARGET_HALTED, 5000)))==ERROR_OK)
531                         {
532                                 if (reset_mode == RESET_INIT){
533                                         target_handle_event( target, TARGET_EVENT_OLD_post_reset );
534                                 }
535
536                         }
537                         target = target->next;
538                 }
539         }
540
541         /* We want any events to be processed before the prompt */
542         if ((retval = target_call_timer_callbacks_now()) != ERROR_OK)
543                 return retval;
544
545         return retval;
546 }
547
548 int target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
549 {
550         if( USE_OLD_RESET ){
551                 return OLD_target_process_reset( cmd_ctx, reset_mode );
552         } else {
553                 return NEW_target_process_reset( cmd_ctx, reset_mode );
554         }
555 }
556
557
558 static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
559 {
560         *physical = virtual;
561         return ERROR_OK;
562 }
563
564 static int default_mmu(struct target_s *target, int *enabled)
565 {
566         *enabled = 0;
567         return ERROR_OK;
568 }
569
570 static int default_examine(struct target_s *target)
571 {
572         target->type->examined = 1;
573         return ERROR_OK;
574 }
575
576
577 /* Targets that correctly implement init+examine, i.e.
578  * no communication with target during init:
579  *
580  * XScale
581  */
582 int target_examine(void)
583 {
584         int retval = ERROR_OK;
585         target_t *target = all_targets;
586         while (target)
587         {
588                 if ((retval = target->type->examine(target))!=ERROR_OK)
589                         return retval;
590                 target = target->next;
591         }
592         return retval;
593 }
594
595 static int target_write_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
596 {
597         if (!target->type->examined)
598         {
599                 LOG_ERROR("Target not examined yet");
600                 return ERROR_FAIL;
601         }
602         return target->type->write_memory_imp(target, address, size, count, buffer);
603 }
604
605 static int target_read_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
606 {
607         if (!target->type->examined)
608         {
609                 LOG_ERROR("Target not examined yet");
610                 return ERROR_FAIL;
611         }
612         return target->type->read_memory_imp(target, address, size, count, buffer);
613 }
614
615 static int target_soft_reset_halt_imp(struct target_s *target)
616 {
617         if (!target->type->examined)
618         {
619                 LOG_ERROR("Target not examined yet");
620                 return ERROR_FAIL;
621         }
622         return target->type->soft_reset_halt_imp(target);
623 }
624
625 static int target_run_algorithm_imp(struct target_s *target, int num_mem_params, mem_param_t *mem_params, int num_reg_params, reg_param_t *reg_param, u32 entry_point, u32 exit_point, int timeout_ms, void *arch_info)
626 {
627         if (!target->type->examined)
628         {
629                 LOG_ERROR("Target not examined yet");
630                 return ERROR_FAIL;
631         }
632         return target->type->run_algorithm_imp(target, num_mem_params, mem_params, num_reg_params, reg_param, entry_point, exit_point, timeout_ms, arch_info);
633 }
634
635 int target_init(struct command_context_s *cmd_ctx)
636 {
637         target_t *target = all_targets;
638         int retval;
639
640         while (target)
641         {
642                 target->type->examined = 0;
643                 if (target->type->examine == NULL)
644                 {
645                         target->type->examine = default_examine;
646                 }
647
648                 if (target->type->init_target(cmd_ctx, target) != ERROR_OK)
649                 {
650                         LOG_ERROR("target '%s' init failed", target->type->name);
651                         exit(-1);
652                 }
653
654                 /* Set up default functions if none are provided by target */
655                 if (target->type->virt2phys == NULL)
656                 {
657                         target->type->virt2phys = default_virt2phys;
658                 }
659                 target->type->virt2phys = default_virt2phys;
660                 /* a non-invasive way(in terms of patches) to add some code that
661                  * runs before the type->write/read_memory implementation
662                  */
663                 target->type->write_memory_imp = target->type->write_memory;
664                 target->type->write_memory = target_write_memory_imp;
665                 target->type->read_memory_imp = target->type->read_memory;
666                 target->type->read_memory = target_read_memory_imp;
667                 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
668                 target->type->soft_reset_halt = target_soft_reset_halt_imp;
669                 target->type->run_algorithm_imp = target->type->run_algorithm;
670                 target->type->run_algorithm = target_run_algorithm_imp;
671
672
673                 if (target->type->mmu == NULL)
674                 {
675                         target->type->mmu = default_mmu;
676                 }
677                 target = target->next;
678         }
679
680         if (all_targets)
681         {
682                 if((retval = target_register_user_commands(cmd_ctx)) != ERROR_OK)
683                         return retval;
684                 if((retval = target_register_timer_callback(handle_target, 100, 1, NULL)) != ERROR_OK)
685                         return retval;
686         }
687
688         return ERROR_OK;
689 }
690
691 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
692 {
693         target_event_callback_t **callbacks_p = &target_event_callbacks;
694
695         if (callback == NULL)
696         {
697                 return ERROR_INVALID_ARGUMENTS;
698         }
699
700         if (*callbacks_p)
701         {
702                 while ((*callbacks_p)->next)
703                         callbacks_p = &((*callbacks_p)->next);
704                 callbacks_p = &((*callbacks_p)->next);
705         }
706
707         (*callbacks_p) = malloc(sizeof(target_event_callback_t));
708         (*callbacks_p)->callback = callback;
709         (*callbacks_p)->priv = priv;
710         (*callbacks_p)->next = NULL;
711
712         return ERROR_OK;
713 }
714
715 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
716 {
717         target_timer_callback_t **callbacks_p = &target_timer_callbacks;
718         struct timeval now;
719
720         if (callback == NULL)
721         {
722                 return ERROR_INVALID_ARGUMENTS;
723         }
724
725         if (*callbacks_p)
726         {
727                 while ((*callbacks_p)->next)
728                         callbacks_p = &((*callbacks_p)->next);
729                 callbacks_p = &((*callbacks_p)->next);
730         }
731
732         (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
733         (*callbacks_p)->callback = callback;
734         (*callbacks_p)->periodic = periodic;
735         (*callbacks_p)->time_ms = time_ms;
736
737         gettimeofday(&now, NULL);
738         (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
739         time_ms -= (time_ms % 1000);
740         (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
741         if ((*callbacks_p)->when.tv_usec > 1000000)
742         {
743                 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
744                 (*callbacks_p)->when.tv_sec += 1;
745         }
746
747         (*callbacks_p)->priv = priv;
748         (*callbacks_p)->next = NULL;
749
750         return ERROR_OK;
751 }
752
753 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
754 {
755         target_event_callback_t **p = &target_event_callbacks;
756         target_event_callback_t *c = target_event_callbacks;
757
758         if (callback == NULL)
759         {
760                 return ERROR_INVALID_ARGUMENTS;
761         }
762
763         while (c)
764         {
765                 target_event_callback_t *next = c->next;
766                 if ((c->callback == callback) && (c->priv == priv))
767                 {
768                         *p = next;
769                         free(c);
770                         return ERROR_OK;
771                 }
772                 else
773                         p = &(c->next);
774                 c = next;
775         }
776
777         return ERROR_OK;
778 }
779
780 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
781 {
782         target_timer_callback_t **p = &target_timer_callbacks;
783         target_timer_callback_t *c = target_timer_callbacks;
784
785         if (callback == NULL)
786         {
787                 return ERROR_INVALID_ARGUMENTS;
788         }
789
790         while (c)
791         {
792                 target_timer_callback_t *next = c->next;
793                 if ((c->callback == callback) && (c->priv == priv))
794                 {
795                         *p = next;
796                         free(c);
797                         return ERROR_OK;
798                 }
799                 else
800                         p = &(c->next);
801                 c = next;
802         }
803
804         return ERROR_OK;
805 }
806
807 int target_call_event_callbacks(target_t *target, enum target_event event)
808 {
809         target_event_callback_t *callback = target_event_callbacks;
810         target_event_callback_t *next_callback;
811
812         if (event == TARGET_EVENT_HALTED)
813         {
814                 /* execute early halted first */
815                 target_call_event_callbacks(target, TARGET_EVENT_EARLY_HALTED);
816         }
817
818
819         LOG_DEBUG("target event %i (%s)",
820                           event,
821                           Jim_Nvp_value2name_simple( nvp_target_event, event )->name );
822
823         target_handle_event( target, event );
824
825         while (callback)
826         {
827                 next_callback = callback->next;
828                 callback->callback(target, event, callback->priv);
829                 callback = next_callback;
830         }
831
832         return ERROR_OK;
833 }
834
835 static int target_call_timer_callbacks_check_time(int checktime)
836 {
837         target_timer_callback_t *callback = target_timer_callbacks;
838         target_timer_callback_t *next_callback;
839         struct timeval now;
840
841         keep_alive();
842
843         gettimeofday(&now, NULL);
844
845         while (callback)
846         {
847                 next_callback = callback->next;
848
849                 if ((!checktime&&callback->periodic)||
850                                 (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
851                                                 || (now.tv_sec > callback->when.tv_sec)))
852                 {
853                         if(callback->callback != NULL)
854                         {
855                                 callback->callback(callback->priv);
856                                 if (callback->periodic)
857                                 {
858                                         int time_ms = callback->time_ms;
859                                         callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
860                                         time_ms -= (time_ms % 1000);
861                                         callback->when.tv_sec = now.tv_sec + time_ms / 1000;
862                                         if (callback->when.tv_usec > 1000000)
863                                         {
864                                                 callback->when.tv_usec = callback->when.tv_usec - 1000000;
865                                                 callback->when.tv_sec += 1;
866                                         }
867                                 }
868                                 else
869                                 {
870                                         int retval;
871                                         if((retval = target_unregister_timer_callback(callback->callback, callback->priv)) != ERROR_OK)
872                                                 return retval;
873                                 }
874                         }
875                 }
876
877                 callback = next_callback;
878         }
879
880         return ERROR_OK;
881 }
882
883 int target_call_timer_callbacks(void)
884 {
885         return target_call_timer_callbacks_check_time(1);
886 }
887
888 /* invoke periodic callbacks immediately */
889 int target_call_timer_callbacks_now(void)
890 {
891         return target_call_timer_callbacks_check_time(0);
892 }
893
894 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
895 {
896         working_area_t *c = target->working_areas;
897         working_area_t *new_wa = NULL;
898
899         /* Reevaluate working area address based on MMU state*/
900         if (target->working_areas == NULL)
901         {
902                 int retval;
903                 int enabled;
904                 retval = target->type->mmu(target, &enabled);
905                 if (retval != ERROR_OK)
906                 {
907                         return retval;
908                 }
909                 if (enabled)
910                 {
911                         target->working_area = target->working_area_virt;
912                 }
913                 else
914                 {
915                         target->working_area = target->working_area_phys;
916                 }
917         }
918
919         /* only allocate multiples of 4 byte */
920         if (size % 4)
921         {
922                 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
923                 size = CEIL(size, 4);
924         }
925
926         /* see if there's already a matching working area */
927         while (c)
928         {
929                 if ((c->free) && (c->size == size))
930                 {
931                         new_wa = c;
932                         break;
933                 }
934                 c = c->next;
935         }
936
937         /* if not, allocate a new one */
938         if (!new_wa)
939         {
940                 working_area_t **p = &target->working_areas;
941                 u32 first_free = target->working_area;
942                 u32 free_size = target->working_area_size;
943
944                 LOG_DEBUG("allocating new working area");
945
946                 c = target->working_areas;
947                 while (c)
948                 {
949                         first_free += c->size;
950                         free_size -= c->size;
951                         p = &c->next;
952                         c = c->next;
953                 }
954
955                 if (free_size < size)
956                 {
957                         LOG_WARNING("not enough working area available(requested %d, free %d)", size, free_size);
958                         return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
959                 }
960
961                 new_wa = malloc(sizeof(working_area_t));
962                 new_wa->next = NULL;
963                 new_wa->size = size;
964                 new_wa->address = first_free;
965
966                 if (target->backup_working_area)
967                 {
968                         int retval;
969                         new_wa->backup = malloc(new_wa->size);
970                         if((retval = target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup)) != ERROR_OK)
971                         {
972                                 free(new_wa->backup);
973                                 free(new_wa);
974                                 return retval;
975                         }
976                 }
977                 else
978                 {
979                         new_wa->backup = NULL;
980                 }
981
982                 /* put new entry in list */
983                 *p = new_wa;
984         }
985
986         /* mark as used, and return the new (reused) area */
987         new_wa->free = 0;
988         *area = new_wa;
989
990         /* user pointer */
991         new_wa->user = area;
992
993         return ERROR_OK;
994 }
995
996 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
997 {
998         if (area->free)
999                 return ERROR_OK;
1000
1001         if (restore&&target->backup_working_area)
1002         {
1003                 int retval;
1004                 if((retval = target->type->write_memory(target, area->address, 4, area->size / 4, area->backup)) != ERROR_OK)
1005                         return retval;
1006         }
1007
1008         area->free = 1;
1009
1010         /* mark user pointer invalid */
1011         *area->user = NULL;
1012         area->user = NULL;
1013
1014         return ERROR_OK;
1015 }
1016
1017 int target_free_working_area(struct target_s *target, working_area_t *area)
1018 {
1019         return target_free_working_area_restore(target, area, 1);
1020 }
1021
1022 /* free resources and restore memory, if restoring memory fails,
1023  * free up resources anyway
1024  */
1025 void target_free_all_working_areas_restore(struct target_s *target, int restore)
1026 {
1027         working_area_t *c = target->working_areas;
1028
1029         while (c)
1030         {
1031                 working_area_t *next = c->next;
1032                 target_free_working_area_restore(target, c, restore);
1033
1034                 if (c->backup)
1035                         free(c->backup);
1036
1037                 free(c);
1038
1039                 c = next;
1040         }
1041
1042         target->working_areas = NULL;
1043 }
1044
1045 void target_free_all_working_areas(struct target_s *target)
1046 {
1047         target_free_all_working_areas_restore(target, 1);
1048 }
1049
1050 int target_register_commands(struct command_context_s *cmd_ctx)
1051 {
1052
1053         register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL);
1054         register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_ANY, "working_area <target#> <address> <size> <'backup'|'nobackup'> [virtual address]");
1055         register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "virt2phys <virtual address>");
1056         register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "PRELIMINARY! - profile <seconds> <gmon.out>");
1057
1058         register_jim(cmd_ctx, "target", jim_target, "configure target" );
1059
1060
1061         /* script procedures */
1062         register_jim(cmd_ctx, "ocd_mem2array", jim_mem2array, "read memory and return as a TCL array for script processing");
1063         register_jim(cmd_ctx, "ocd_array2mem", jim_array2mem, "convert a TCL array to memory locations and write the values");
1064         return ERROR_OK;
1065 }
1066
1067 int target_arch_state(struct target_s *target)
1068 {
1069         int retval;
1070         if (target==NULL)
1071         {
1072                 LOG_USER("No target has been configured");
1073                 return ERROR_OK;
1074         }
1075
1076         LOG_USER("target state: %s",
1077                  Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name);
1078
1079         if (target->state!=TARGET_HALTED)
1080                 return ERROR_OK;
1081
1082         retval=target->type->arch_state(target);
1083         return retval;
1084 }
1085
1086 /* Single aligned words are guaranteed to use 16 or 32 bit access
1087  * mode respectively, otherwise data is handled as quickly as
1088  * possible
1089  */
1090 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
1091 {
1092         int retval;
1093         LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
1094
1095         if (!target->type->examined)
1096         {
1097                 LOG_ERROR("Target not examined yet");
1098                 return ERROR_FAIL;
1099         }
1100
1101         if ((address + size - 1) < address)
1102         {
1103                 /* GDB can request this when e.g. PC is 0xfffffffc*/
1104                 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
1105                 return ERROR_FAIL;
1106         }
1107
1108         if (((address % 2) == 0) && (size == 2))
1109         {
1110                 return target->type->write_memory(target, address, 2, 1, buffer);
1111         }
1112
1113         /* handle unaligned head bytes */
1114         if (address % 4)
1115         {
1116                 int unaligned = 4 - (address % 4);
1117
1118                 if (unaligned > size)
1119                         unaligned = size;
1120
1121                 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1122                         return retval;
1123
1124                 buffer += unaligned;
1125                 address += unaligned;
1126                 size -= unaligned;
1127         }
1128
1129         /* handle aligned words */
1130         if (size >= 4)
1131         {
1132                 int aligned = size - (size % 4);
1133
1134                 /* use bulk writes above a certain limit. This may have to be changed */
1135                 if (aligned > 128)
1136                 {
1137                         if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1138                                 return retval;
1139                 }
1140                 else
1141                 {
1142                         if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1143                                 return retval;
1144                 }
1145
1146                 buffer += aligned;
1147                 address += aligned;
1148                 size -= aligned;
1149         }
1150
1151         /* handle tail writes of less than 4 bytes */
1152         if (size > 0)
1153         {
1154                 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1155                         return retval;
1156         }
1157
1158         return ERROR_OK;
1159 }
1160
1161
1162 /* Single aligned words are guaranteed to use 16 or 32 bit access
1163  * mode respectively, otherwise data is handled as quickly as
1164  * possible
1165  */
1166 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
1167 {
1168         int retval;
1169         LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
1170
1171         if (!target->type->examined)
1172         {
1173                 LOG_ERROR("Target not examined yet");
1174                 return ERROR_FAIL;
1175         }
1176
1177         if ((address + size - 1) < address)
1178         {
1179                 /* GDB can request this when e.g. PC is 0xfffffffc*/
1180                 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
1181                 return ERROR_FAIL;
1182         }
1183
1184         if (((address % 2) == 0) && (size == 2))
1185         {
1186                 return target->type->read_memory(target, address, 2, 1, buffer);
1187         }
1188
1189         /* handle unaligned head bytes */
1190         if (address % 4)
1191         {
1192                 int unaligned = 4 - (address % 4);
1193
1194                 if (unaligned > size)
1195                         unaligned = size;
1196
1197                 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1198                         return retval;
1199
1200                 buffer += unaligned;
1201                 address += unaligned;
1202                 size -= unaligned;
1203         }
1204
1205         /* handle aligned words */
1206         if (size >= 4)
1207         {
1208                 int aligned = size - (size % 4);
1209
1210                 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1211                         return retval;
1212
1213                 buffer += aligned;
1214                 address += aligned;
1215                 size -= aligned;
1216         }
1217
1218         /* handle tail writes of less than 4 bytes */
1219         if (size > 0)
1220         {
1221                 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1222                         return retval;
1223         }
1224
1225         return ERROR_OK;
1226 }
1227
1228 int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc)
1229 {
1230         u8 *buffer;
1231         int retval;
1232         int i;
1233         u32 checksum = 0;
1234         if (!target->type->examined)
1235         {
1236                 LOG_ERROR("Target not examined yet");
1237                 return ERROR_FAIL;
1238         }
1239
1240         if ((retval = target->type->checksum_memory(target, address,
1241                 size, &checksum)) != ERROR_OK)
1242         {
1243                 buffer = malloc(size);
1244                 if (buffer == NULL)
1245                 {
1246                         LOG_ERROR("error allocating buffer for section (%d bytes)", size);
1247                         return ERROR_INVALID_ARGUMENTS;
1248                 }
1249                 retval = target_read_buffer(target, address, size, buffer);
1250                 if (retval != ERROR_OK)
1251                 {
1252                         free(buffer);
1253                         return retval;
1254                 }
1255
1256                 /* convert to target endianess */
1257                 for (i = 0; i < (size/sizeof(u32)); i++)
1258                 {
1259                         u32 target_data;
1260                         target_data = target_buffer_get_u32(target, &buffer[i*sizeof(u32)]);
1261                         target_buffer_set_u32(target, &buffer[i*sizeof(u32)], target_data);
1262                 }
1263
1264                 retval = image_calculate_checksum( buffer, size, &checksum );
1265                 free(buffer);
1266         }
1267
1268         *crc = checksum;
1269
1270         return retval;
1271 }
1272
1273 int target_blank_check_memory(struct target_s *target, u32 address, u32 size, u32* blank)
1274 {
1275         int retval;
1276         if (!target->type->examined)
1277         {
1278                 LOG_ERROR("Target not examined yet");
1279                 return ERROR_FAIL;
1280         }
1281
1282         if (target->type->blank_check_memory == 0)
1283                 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1284
1285         retval = target->type->blank_check_memory(target, address, size, blank);
1286
1287         return retval;
1288 }
1289
1290 int target_read_u32(struct target_s *target, u32 address, u32 *value)
1291 {
1292         u8 value_buf[4];
1293         if (!target->type->examined)
1294         {
1295                 LOG_ERROR("Target not examined yet");
1296                 return ERROR_FAIL;
1297         }
1298
1299         int retval = target->type->read_memory(target, address, 4, 1, value_buf);
1300
1301         if (retval == ERROR_OK)
1302         {
1303                 *value = target_buffer_get_u32(target, value_buf);
1304                 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
1305         }
1306         else
1307         {
1308                 *value = 0x0;
1309                 LOG_DEBUG("address: 0x%8.8x failed", address);
1310         }
1311
1312         return retval;
1313 }
1314
1315 int target_read_u16(struct target_s *target, u32 address, u16 *value)
1316 {
1317         u8 value_buf[2];
1318         if (!target->type->examined)
1319         {
1320                 LOG_ERROR("Target not examined yet");
1321                 return ERROR_FAIL;
1322         }
1323
1324         int retval = target->type->read_memory(target, address, 2, 1, value_buf);
1325
1326         if (retval == ERROR_OK)
1327         {
1328                 *value = target_buffer_get_u16(target, value_buf);
1329                 LOG_DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
1330         }
1331         else
1332         {
1333                 *value = 0x0;
1334                 LOG_DEBUG("address: 0x%8.8x failed", address);
1335         }
1336
1337         return retval;
1338 }
1339
1340 int target_read_u8(struct target_s *target, u32 address, u8 *value)
1341 {
1342         int retval = target->type->read_memory(target, address, 1, 1, value);
1343         if (!target->type->examined)
1344         {
1345                 LOG_ERROR("Target not examined yet");
1346                 return ERROR_FAIL;
1347         }
1348
1349         if (retval == ERROR_OK)
1350         {
1351                 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
1352         }
1353         else
1354         {
1355                 *value = 0x0;
1356                 LOG_DEBUG("address: 0x%8.8x failed", address);
1357         }
1358
1359         return retval;
1360 }
1361
1362 int target_write_u32(struct target_s *target, u32 address, u32 value)
1363 {
1364         int retval;
1365         u8 value_buf[4];
1366         if (!target->type->examined)
1367         {
1368                 LOG_ERROR("Target not examined yet");
1369                 return ERROR_FAIL;
1370         }
1371
1372         LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1373
1374         target_buffer_set_u32(target, value_buf, value);
1375         if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1376         {
1377                 LOG_DEBUG("failed: %i", retval);
1378         }
1379
1380         return retval;
1381 }
1382
1383 int target_write_u16(struct target_s *target, u32 address, u16 value)
1384 {
1385         int retval;
1386         u8 value_buf[2];
1387         if (!target->type->examined)
1388         {
1389                 LOG_ERROR("Target not examined yet");
1390                 return ERROR_FAIL;
1391         }
1392
1393         LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1394
1395         target_buffer_set_u16(target, value_buf, value);
1396         if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1397         {
1398                 LOG_DEBUG("failed: %i", retval);
1399         }
1400
1401         return retval;
1402 }
1403
1404 int target_write_u8(struct target_s *target, u32 address, u8 value)
1405 {
1406         int retval;
1407         if (!target->type->examined)
1408         {
1409                 LOG_ERROR("Target not examined yet");
1410                 return ERROR_FAIL;
1411         }
1412
1413         LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
1414
1415         if ((retval = target->type->read_memory(target, address, 1, 1, &value)) != ERROR_OK)
1416         {
1417                 LOG_DEBUG("failed: %i", retval);
1418         }
1419
1420         return retval;
1421 }
1422
1423 int target_register_user_commands(struct command_context_s *cmd_ctx)
1424 {
1425         int retval = ERROR_OK;
1426         register_command(cmd_ctx,  NULL, "reg", handle_reg_command, COMMAND_EXEC, NULL);
1427         register_command(cmd_ctx,  NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1428         register_command(cmd_ctx,  NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1429         register_command(cmd_ctx,  NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1430         register_command(cmd_ctx,  NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1431         register_command(cmd_ctx,  NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1432         register_command(cmd_ctx,  NULL, "NEWreset", handle_NEWreset_command, COMMAND_EXEC, "reset target [run|halt|init] - default is run");
1433         register_command(cmd_ctx,  NULL, "reset", handle_reset_command, COMMAND_EXEC, "OLDreset target [run|halt|init] - default is run");
1434         register_command(cmd_ctx,  NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1435
1436         register_command(cmd_ctx,  NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
1437         register_command(cmd_ctx,  NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
1438         register_command(cmd_ctx,  NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
1439
1440         register_command(cmd_ctx,  NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value> [count]");
1441         register_command(cmd_ctx,  NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value> [count]");
1442         register_command(cmd_ctx,  NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value> [count]");
1443
1444         register_command(cmd_ctx,  NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
1445         register_command(cmd_ctx,  NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
1446         register_command(cmd_ctx,  NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
1447         register_command(cmd_ctx,  NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
1448
1449         register_command(cmd_ctx,  NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex'|'elf'|'s19'] [min_address] [max_length]");
1450         register_command(cmd_ctx,  NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1451         register_command(cmd_ctx,  NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1452
1453         if((retval = target_request_register_commands(cmd_ctx)) != ERROR_OK)
1454                 return retval;
1455         if((retval = trace_register_commands(cmd_ctx)) != ERROR_OK)
1456                 return retval;
1457
1458
1459         return retval;
1460 }
1461
1462 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1463 {
1464         char *cp;
1465         target_t *target = all_targets;
1466
1467         if (argc == 1)
1468         {
1469                 /* try as tcltarget name */
1470                 for( target = all_targets ; target ; target++ ){
1471                   if( target->cmd_name ){
1472                         if( 0 == strcmp( args[0], target->cmd_name ) ){
1473                                 /* MATCH */
1474                                 goto Match;
1475                         }
1476                   }
1477                 }
1478                 /* no match, try as number */
1479
1480                 int num = strtoul(args[0], &cp, 0 );
1481                 if( *cp != 0 ){
1482                         /* then it was not a number */
1483                         command_print( cmd_ctx, "Target: %s unknown, try one of:\n", args[0] );
1484                         goto DumpTargets;
1485                 }
1486
1487                 target = get_target_by_num( num );
1488                 if( target == NULL ){
1489                         command_print(cmd_ctx,"Target: %s is unknown, try one of:\n", args[0] );
1490                         goto DumpTargets;
1491                 }
1492         Match:
1493                 cmd_ctx->current_target = target->target_number;
1494                 return ERROR_OK;
1495         }
1496  DumpTargets:
1497
1498         command_print(cmd_ctx, "    CmdName    Type       Endian     ChainPos State     ");
1499         command_print(cmd_ctx, "--  ---------- ---------- ---------- -------- ----------");
1500         while (target)
1501         {
1502                 /* XX: abcdefghij abcdefghij abcdefghij abcdefghij */
1503                 command_print(cmd_ctx, "%2d: %-10s %-10s %-10s %8d %s",
1504                                           target->target_number,
1505                                           target->cmd_name,
1506                                           target->type->name,
1507                                           Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness )->name,
1508                                           target->chain_position,
1509                                           Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name );
1510                 target = target->next;
1511         }
1512
1513         return ERROR_OK;
1514 }
1515
1516
1517
1518 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1519 {
1520         int retval = ERROR_OK;
1521         target_t *target = NULL;
1522
1523         if ((argc < 4) || (argc > 5))
1524         {
1525                 return ERROR_COMMAND_SYNTAX_ERROR;
1526         }
1527
1528         target = get_target_by_num(strtoul(args[0], NULL, 0));
1529         if (!target)
1530         {
1531                 return ERROR_COMMAND_SYNTAX_ERROR;
1532         }
1533         target_free_all_working_areas(target);
1534
1535         target->working_area_phys = target->working_area_virt = strtoul(args[1], NULL, 0);
1536         if (argc == 5)
1537         {
1538                 target->working_area_virt = strtoul(args[4], NULL, 0);
1539         }
1540         target->working_area_size = strtoul(args[2], NULL, 0);
1541
1542         if (strcmp(args[3], "backup") == 0)
1543         {
1544                 target->backup_working_area = 1;
1545         }
1546         else if (strcmp(args[3], "nobackup") == 0)
1547         {
1548                 target->backup_working_area = 0;
1549         }
1550         else
1551         {
1552                 LOG_ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
1553                 return ERROR_COMMAND_SYNTAX_ERROR;
1554         }
1555
1556         return retval;
1557 }
1558
1559
1560 /* process target state changes */
1561 int handle_target(void *priv)
1562 {
1563         int retval = ERROR_OK;
1564         target_t *target = all_targets;
1565
1566         while (target)
1567         {
1568                 if (target_continous_poll)
1569                 {
1570                         /* polling may fail silently until the target has been examined */
1571                         if((retval = target_poll(target)) != ERROR_OK)
1572                                 return retval;
1573                 }
1574
1575                 target = target->next;
1576         }
1577
1578         return retval;
1579 }
1580
1581 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1582 {
1583         target_t *target;
1584         reg_t *reg = NULL;
1585         int count = 0;
1586         char *value;
1587
1588         LOG_DEBUG("-");
1589
1590         target = get_current_target(cmd_ctx);
1591
1592         /* list all available registers for the current target */
1593         if (argc == 0)
1594         {
1595                 reg_cache_t *cache = target->reg_cache;
1596
1597                 count = 0;
1598                 while(cache)
1599                 {
1600                         int i;
1601                         for (i = 0; i < cache->num_regs; i++)
1602                         {
1603                                 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1604                                 command_print(cmd_ctx, "(%i) %s (/%i): 0x%s (dirty: %i, valid: %i)", count++, cache->reg_list[i].name, cache->reg_list[i].size, value, cache->reg_list[i].dirty, cache->reg_list[i].valid);
1605                                 free(value);
1606                         }
1607                         cache = cache->next;
1608                 }
1609
1610                 return ERROR_OK;
1611         }
1612
1613         /* access a single register by its ordinal number */
1614         if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1615         {
1616                 int num = strtoul(args[0], NULL, 0);
1617                 reg_cache_t *cache = target->reg_cache;
1618
1619                 count = 0;
1620                 while(cache)
1621                 {
1622                         int i;
1623                         for (i = 0; i < cache->num_regs; i++)
1624                         {
1625                                 if (count++ == num)
1626                                 {
1627                                         reg = &cache->reg_list[i];
1628                                         break;
1629                                 }
1630                         }
1631                         if (reg)
1632                                 break;
1633                         cache = cache->next;
1634                 }
1635
1636                 if (!reg)
1637                 {
1638                         command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1639                         return ERROR_OK;
1640                 }
1641         } else /* access a single register by its name */
1642         {
1643                 reg = register_get_by_name(target->reg_cache, args[0], 1);
1644
1645                 if (!reg)
1646                 {
1647                         command_print(cmd_ctx, "register %s not found in current target", args[0]);
1648                         return ERROR_OK;
1649                 }
1650         }
1651
1652         /* display a register */
1653         if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1654         {
1655                 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1656                         reg->valid = 0;
1657
1658                 if (reg->valid == 0)
1659                 {
1660                         reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1661                         arch_type->get(reg);
1662                 }
1663                 value = buf_to_str(reg->value, reg->size, 16);
1664                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1665                 free(value);
1666                 return ERROR_OK;
1667         }
1668
1669         /* set register value */
1670         if (argc == 2)
1671         {
1672                 u8 *buf = malloc(CEIL(reg->size, 8));
1673                 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1674
1675                 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1676                 arch_type->set(reg, buf);
1677
1678                 value = buf_to_str(reg->value, reg->size, 16);
1679                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1680                 free(value);
1681
1682                 free(buf);
1683
1684                 return ERROR_OK;
1685         }
1686
1687         command_print(cmd_ctx, "usage: reg <#|name> [value]");
1688
1689         return ERROR_OK;
1690 }
1691
1692
1693 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1694 {
1695         int retval = ERROR_OK;
1696         target_t *target = get_current_target(cmd_ctx);
1697
1698         if (argc == 0)
1699         {
1700                 if((retval = target_poll(target)) != ERROR_OK)
1701                         return retval;
1702                 if((retval = target_arch_state(target)) != ERROR_OK)
1703                         return retval;
1704
1705         }
1706         else if (argc==1)
1707         {
1708                 if (strcmp(args[0], "on") == 0)
1709                 {
1710                         target_continous_poll = 1;
1711                 }
1712                 else if (strcmp(args[0], "off") == 0)
1713                 {
1714                         target_continous_poll = 0;
1715                 }
1716                 else
1717                 {
1718                         command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1719                 }
1720         } else
1721         {
1722                 return ERROR_COMMAND_SYNTAX_ERROR;
1723         }
1724
1725
1726         return retval;
1727 }
1728
1729 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1730 {
1731         int ms = 5000;
1732
1733         if (argc > 0)
1734         {
1735                 char *end;
1736
1737                 ms = strtoul(args[0], &end, 0) * 1000;
1738                 if (*end)
1739                 {
1740                         command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1741                         return ERROR_OK;
1742                 }
1743         }
1744         target_t *target = get_current_target(cmd_ctx);
1745
1746         return target_wait_state(target, TARGET_HALTED, ms);
1747 }
1748
1749 int target_wait_state(target_t *target, enum target_state state, int ms)
1750 {
1751         int retval;
1752         struct timeval timeout, now;
1753         int once=1;
1754         gettimeofday(&timeout, NULL);
1755         timeval_add_time(&timeout, 0, ms * 1000);
1756
1757         for (;;)
1758         {
1759                 if ((retval=target_poll(target))!=ERROR_OK)
1760                         return retval;
1761                 keep_alive();
1762                 if (target->state == state)
1763                 {
1764                         break;
1765                 }
1766                 if (once)
1767                 {
1768                         once=0;
1769                         LOG_DEBUG("waiting for target %s...",
1770                               Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1771                 }
1772
1773                 gettimeofday(&now, NULL);
1774                 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
1775                 {
1776                         LOG_ERROR("timed out while waiting for target %s",
1777                               Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1778                         return ERROR_FAIL;
1779                 }
1780         }
1781
1782         return ERROR_OK;
1783 }
1784
1785 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1786 {
1787         int retval;
1788         target_t *target = get_current_target(cmd_ctx);
1789
1790         LOG_DEBUG("-");
1791
1792         if ((retval = target_halt(target)) != ERROR_OK)
1793         {
1794                 return retval;
1795         }
1796
1797         return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1798 }
1799
1800 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1801 {
1802         target_t *target = get_current_target(cmd_ctx);
1803
1804         LOG_USER("requesting target halt and executing a soft reset");
1805
1806         target->type->soft_reset_halt(target);
1807
1808         return ERROR_OK;
1809 }
1810
1811 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1812 {
1813         const Jim_Nvp *n;
1814         enum target_reset_mode reset_mode = RESET_RUN;
1815
1816         if (argc >= 1)
1817         {
1818                 n = Jim_Nvp_name2value_simple( nvp_reset_modes, args[0] );
1819                 if( (n->name == NULL) || (n->value == RESET_UNKNOWN) ){
1820                         return ERROR_COMMAND_SYNTAX_ERROR;
1821                 }
1822                 reset_mode = n->value;
1823         }
1824
1825         /* reset *all* targets */
1826         return target_process_reset(cmd_ctx, reset_mode);
1827 }
1828
1829 int handle_NEWreset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1830 {
1831         int x;
1832         char *cp;
1833
1834         if (argc >= 1){
1835                 x = strtol( args[0], &cp, 0 );
1836                 if( *cp != 0 ){
1837                         command_print( cmd_ctx, "Not numeric: %s\n", args[0] );
1838                         return ERROR_COMMAND_SYNTAX_ERROR;
1839                 }
1840                 USE_OLD_RESET = !!x;
1841         }
1842         command_print( cmd_ctx, "reset method: %d (%s)\n",
1843                                    USE_OLD_RESET,
1844                                    USE_OLD_RESET ? "old-method" : "new-method" );
1845         return ERROR_OK;
1846 }
1847
1848 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1849 {
1850         int retval;
1851         target_t *target = get_current_target(cmd_ctx);
1852
1853         target_handle_event( target, TARGET_EVENT_OLD_pre_resume );
1854
1855         if (argc == 0)
1856                 retval = target_resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1857         else if (argc == 1)
1858                 retval = target_resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1859         else
1860         {
1861                 retval = ERROR_COMMAND_SYNTAX_ERROR;
1862         }
1863
1864         return retval;
1865 }
1866
1867 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1868 {
1869         target_t *target = get_current_target(cmd_ctx);
1870
1871         LOG_DEBUG("-");
1872
1873         if (argc == 0)
1874                 target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1875
1876         if (argc == 1)
1877                 target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1878
1879         return ERROR_OK;
1880 }
1881
1882 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1883 {
1884         const int line_bytecnt = 32;
1885         int count = 1;
1886         int size = 4;
1887         u32 address = 0;
1888         int line_modulo;
1889         int i;
1890
1891         char output[128];
1892         int output_len;
1893
1894         int retval;
1895
1896         u8 *buffer;
1897         target_t *target = get_current_target(cmd_ctx);
1898
1899         if (argc < 1)
1900                 return ERROR_OK;
1901
1902         if (argc == 2)
1903                 count = strtoul(args[1], NULL, 0);
1904
1905         address = strtoul(args[0], NULL, 0);
1906
1907
1908         switch (cmd[2])
1909         {
1910                 case 'w':
1911                         size = 4; line_modulo = line_bytecnt / 4;
1912                         break;
1913                 case 'h':
1914                         size = 2; line_modulo = line_bytecnt / 2;
1915                         break;
1916                 case 'b':
1917                         size = 1; line_modulo = line_bytecnt / 1;
1918                         break;
1919                 default:
1920                         return ERROR_OK;
1921         }
1922
1923         buffer = calloc(count, size);
1924         retval  = target->type->read_memory(target, address, size, count, buffer);
1925         if (retval == ERROR_OK)
1926         {
1927                 output_len = 0;
1928
1929                 for (i = 0; i < count; i++)
1930                 {
1931                         if (i%line_modulo == 0)
1932                                 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1933
1934                         switch (size)
1935                         {
1936                                 case 4:
1937                                         output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1938                                         break;
1939                                 case 2:
1940                                         output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1941                                         break;
1942                                 case 1:
1943                                         output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1944                                         break;
1945                         }
1946
1947                         if ((i%line_modulo == line_modulo-1) || (i == count - 1))
1948                         {
1949                                 command_print(cmd_ctx, output);
1950                                 output_len = 0;
1951                         }
1952                 }
1953         }
1954
1955         free(buffer);
1956
1957         return retval;
1958 }
1959
1960 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1961 {
1962         u32 address = 0;
1963         u32 value = 0;
1964         int count = 1;
1965         int i;
1966         int wordsize;
1967         target_t *target = get_current_target(cmd_ctx);
1968         u8 value_buf[4];
1969
1970          if ((argc < 2) || (argc > 3))
1971                 return ERROR_COMMAND_SYNTAX_ERROR;
1972
1973         address = strtoul(args[0], NULL, 0);
1974         value = strtoul(args[1], NULL, 0);
1975         if (argc == 3)
1976                 count = strtoul(args[2], NULL, 0);
1977
1978         switch (cmd[2])
1979         {
1980                 case 'w':
1981                         wordsize = 4;
1982                         target_buffer_set_u32(target, value_buf, value);
1983                         break;
1984                 case 'h':
1985                         wordsize = 2;
1986                         target_buffer_set_u16(target, value_buf, value);
1987                         break;
1988                 case 'b':
1989                         wordsize = 1;
1990                         value_buf[0] = value;
1991                         break;
1992                 default:
1993                         return ERROR_COMMAND_SYNTAX_ERROR;
1994         }
1995         for (i=0; i<count; i++)
1996         {
1997                 int retval;
1998                 switch (wordsize)
1999                 {
2000                         case 4:
2001                                 retval = target->type->write_memory(target, address + i*wordsize, 4, 1, value_buf);
2002                                 break;
2003                         case 2:
2004                                 retval = target->type->write_memory(target, address + i*wordsize, 2, 1, value_buf);
2005                                 break;
2006                         case 1:
2007                                 retval = target->type->write_memory(target, address + i*wordsize, 1, 1, value_buf);
2008                         break;
2009                         default:
2010                         return ERROR_OK;
2011                 }
2012                 keep_alive();
2013
2014                 if (retval!=ERROR_OK)
2015                 {
2016                         return retval;
2017                 }
2018         }
2019
2020         return ERROR_OK;
2021
2022 }
2023
2024 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2025 {
2026         u8 *buffer;
2027         u32 buf_cnt;
2028         u32 image_size;
2029         u32 min_address=0;
2030         u32 max_address=0xffffffff;
2031         int i;
2032         int retval, retvaltemp;
2033
2034         image_t image;
2035
2036         duration_t duration;
2037         char *duration_text;
2038
2039         target_t *target = get_current_target(cmd_ctx);
2040
2041         if ((argc < 1)||(argc > 5))
2042         {
2043                 return ERROR_COMMAND_SYNTAX_ERROR;
2044         }
2045
2046         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
2047         if (argc >= 2)
2048         {
2049                 image.base_address_set = 1;
2050                 image.base_address = strtoul(args[1], NULL, 0);
2051         }
2052         else
2053         {
2054                 image.base_address_set = 0;
2055         }
2056
2057
2058         image.start_address_set = 0;
2059
2060         if (argc>=4)
2061         {
2062                 min_address=strtoul(args[3], NULL, 0);
2063         }
2064         if (argc>=5)
2065         {
2066                 max_address=strtoul(args[4], NULL, 0)+min_address;
2067         }
2068
2069         if (min_address>max_address)
2070         {
2071                 return ERROR_COMMAND_SYNTAX_ERROR;
2072         }
2073
2074
2075         duration_start_measure(&duration);
2076
2077         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2078         {
2079                 return ERROR_OK;
2080         }
2081
2082         image_size = 0x0;
2083         retval = ERROR_OK;
2084         for (i = 0; i < image.num_sections; i++)
2085         {
2086                 buffer = malloc(image.sections[i].size);
2087                 if (buffer == NULL)
2088                 {
2089                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2090                         break;
2091                 }
2092
2093                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2094                 {
2095                         free(buffer);
2096                         break;
2097                 }
2098
2099                 u32 offset=0;
2100                 u32 length=buf_cnt;
2101
2102
2103                 /* DANGER!!! beware of unsigned comparision here!!! */
2104
2105                 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
2106                                 (image.sections[i].base_address<max_address))
2107                 {
2108                         if (image.sections[i].base_address<min_address)
2109                         {
2110                                 /* clip addresses below */
2111                                 offset+=min_address-image.sections[i].base_address;
2112                                 length-=offset;
2113                         }
2114
2115                         if (image.sections[i].base_address+buf_cnt>max_address)
2116                         {
2117                                 length-=(image.sections[i].base_address+buf_cnt)-max_address;
2118                         }
2119
2120                         if ((retval = target_write_buffer(target, image.sections[i].base_address+offset, length, buffer+offset)) != ERROR_OK)
2121                         {
2122                                 free(buffer);
2123                                 break;
2124                         }
2125                         image_size += length;
2126                         command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
2127                 }
2128
2129                 free(buffer);
2130         }
2131
2132         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2133         {
2134                 image_close(&image);
2135                 return retvaltemp;
2136         }
2137
2138         if (retval==ERROR_OK)
2139         {
2140                 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
2141         }
2142         free(duration_text);
2143
2144         image_close(&image);
2145
2146         return retval;
2147
2148 }
2149
2150 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2151 {
2152         fileio_t fileio;
2153
2154         u32 address;
2155         u32 size;
2156         u8 buffer[560];
2157         int retval=ERROR_OK, retvaltemp;
2158
2159         duration_t duration;
2160         char *duration_text;
2161
2162         target_t *target = get_current_target(cmd_ctx);
2163
2164         if (argc != 3)
2165         {
2166                 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2167                 return ERROR_OK;
2168         }
2169
2170         address = strtoul(args[1], NULL, 0);
2171         size = strtoul(args[2], NULL, 0);
2172
2173         if ((address & 3) || (size & 3))
2174         {
2175                 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
2176                 return ERROR_OK;
2177         }
2178
2179         if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2180         {
2181                 return ERROR_OK;
2182         }
2183
2184         duration_start_measure(&duration);
2185
2186         while (size > 0)
2187         {
2188                 u32 size_written;
2189                 u32 this_run_size = (size > 560) ? 560 : size;
2190
2191                 retval = target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
2192                 if (retval != ERROR_OK)
2193                 {
2194                         break;
2195                 }
2196
2197                 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2198                 if (retval != ERROR_OK)
2199                 {
2200                         break;
2201                 }
2202
2203                 size -= this_run_size;
2204                 address += this_run_size;
2205         }
2206
2207         if((retvaltemp = fileio_close(&fileio)) != ERROR_OK)
2208                 return retvaltemp;
2209
2210         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2211                 return retvaltemp;
2212
2213         if (retval==ERROR_OK)
2214         {
2215                 command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
2216         }
2217         free(duration_text);
2218
2219         return ERROR_OK;
2220 }
2221
2222 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2223 {
2224         u8 *buffer;
2225         u32 buf_cnt;
2226         u32 image_size;
2227         int i;
2228         int retval, retvaltemp;
2229         u32 checksum = 0;
2230         u32 mem_checksum = 0;
2231
2232         image_t image;
2233
2234         duration_t duration;
2235         char *duration_text;
2236
2237         target_t *target = get_current_target(cmd_ctx);
2238
2239         if (argc < 1)
2240         {
2241                 return ERROR_COMMAND_SYNTAX_ERROR;
2242         }
2243
2244         if (!target)
2245         {
2246                 LOG_ERROR("no target selected");
2247                 return ERROR_FAIL;
2248         }
2249
2250         duration_start_measure(&duration);
2251
2252         if (argc >= 2)
2253         {
2254                 image.base_address_set = 1;
2255                 image.base_address = strtoul(args[1], NULL, 0);
2256         }
2257         else
2258         {
2259                 image.base_address_set = 0;
2260                 image.base_address = 0x0;
2261         }
2262
2263         image.start_address_set = 0;
2264
2265         if ((retval=image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2266         {
2267                 return retval;
2268         }
2269
2270         image_size = 0x0;
2271         retval=ERROR_OK;
2272         for (i = 0; i < image.num_sections; i++)
2273         {
2274                 buffer = malloc(image.sections[i].size);
2275                 if (buffer == NULL)
2276                 {
2277                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2278                         break;
2279                 }
2280                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2281                 {
2282                         free(buffer);
2283                         break;
2284                 }
2285
2286                 /* calculate checksum of image */
2287                 image_calculate_checksum( buffer, buf_cnt, &checksum );
2288
2289                 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2290                 if( retval != ERROR_OK )
2291                 {
2292                         free(buffer);
2293                         break;
2294                 }
2295
2296                 if( checksum != mem_checksum )
2297                 {
2298                         /* failed crc checksum, fall back to a binary compare */
2299                         u8 *data;
2300
2301                         command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2302
2303                         data = (u8*)malloc(buf_cnt);
2304
2305                         /* Can we use 32bit word accesses? */
2306                         int size = 1;
2307                         int count = buf_cnt;
2308                         if ((count % 4) == 0)
2309                         {
2310                                 size *= 4;
2311                                 count /= 4;
2312                         }
2313                         retval = target->type->read_memory(target, image.sections[i].base_address, size, count, data);
2314                         if (retval == ERROR_OK)
2315                         {
2316                                 int t;
2317                                 for (t = 0; t < buf_cnt; t++)
2318                                 {
2319                                         if (data[t] != buffer[t])
2320                                         {
2321                                                 command_print(cmd_ctx, "Verify operation failed address 0x%08x. Was 0x%02x instead of 0x%02x\n", t + image.sections[i].base_address, data[t], buffer[t]);
2322                                                 free(data);
2323                                                 free(buffer);
2324                                                 retval=ERROR_FAIL;
2325                                                 goto done;
2326                                         }
2327                                         if ((t%16384)==0)
2328                                         {
2329                                                 keep_alive();
2330                                         }
2331                                 }
2332                         }
2333
2334                         free(data);
2335                 }
2336
2337                 free(buffer);
2338                 image_size += buf_cnt;
2339         }
2340 done:
2341
2342         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2343         {
2344                 image_close(&image);
2345                 return retvaltemp;
2346         }
2347
2348         if (retval==ERROR_OK)
2349         {
2350                 command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2351         }
2352         free(duration_text);
2353
2354         image_close(&image);
2355
2356         return retval;
2357 }
2358
2359 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2360 {
2361         int retval;
2362         target_t *target = get_current_target(cmd_ctx);
2363
2364         if (argc == 0)
2365         {
2366                 breakpoint_t *breakpoint = target->breakpoints;
2367
2368                 while (breakpoint)
2369                 {
2370                         if (breakpoint->type == BKPT_SOFT)
2371                         {
2372                                 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
2373                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
2374                                 free(buf);
2375                         }
2376                         else
2377                         {
2378                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
2379                         }
2380                         breakpoint = breakpoint->next;
2381                 }
2382         }
2383         else if (argc >= 2)
2384         {
2385                 int hw = BKPT_SOFT;
2386                 u32 length = 0;
2387
2388                 length = strtoul(args[1], NULL, 0);
2389
2390                 if (argc >= 3)
2391                         if (strcmp(args[2], "hw") == 0)
2392                                 hw = BKPT_HARD;
2393
2394                 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
2395                 {
2396                         LOG_ERROR("Failure setting breakpoints");
2397                 }
2398                 else
2399                 {
2400                         command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
2401                 }
2402         }
2403         else
2404         {
2405                 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2406         }
2407
2408         return ERROR_OK;
2409 }
2410
2411 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2412 {
2413         target_t *target = get_current_target(cmd_ctx);
2414
2415         if (argc > 0)
2416                 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2417
2418         return ERROR_OK;
2419 }
2420
2421 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2422 {
2423         target_t *target = get_current_target(cmd_ctx);
2424         int retval;
2425
2426         if (argc == 0)
2427         {
2428                 watchpoint_t *watchpoint = target->watchpoints;
2429
2430                 while (watchpoint)
2431                 {
2432                         command_print(cmd_ctx, "address: 0x%8.8x, len: 0x%8.8x, r/w/a: %i, value: 0x%8.8x, mask: 0x%8.8x", watchpoint->address, watchpoint->length, watchpoint->rw, watchpoint->value, watchpoint->mask);
2433                         watchpoint = watchpoint->next;
2434                 }
2435         }
2436         else if (argc >= 2)
2437         {
2438                 enum watchpoint_rw type = WPT_ACCESS;
2439                 u32 data_value = 0x0;
2440                 u32 data_mask = 0xffffffff;
2441
2442                 if (argc >= 3)
2443                 {
2444                         switch(args[2][0])
2445                         {
2446                                 case 'r':
2447                                         type = WPT_READ;
2448                                         break;
2449                                 case 'w':
2450                                         type = WPT_WRITE;
2451                                         break;
2452                                 case 'a':
2453                                         type = WPT_ACCESS;
2454                                         break;
2455                                 default:
2456                                         command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2457                                         return ERROR_OK;
2458                         }
2459                 }
2460                 if (argc >= 4)
2461                 {
2462                         data_value = strtoul(args[3], NULL, 0);
2463                 }
2464                 if (argc >= 5)
2465                 {
2466                         data_mask = strtoul(args[4], NULL, 0);
2467                 }
2468
2469                 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2470                                 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2471                 {
2472                         LOG_ERROR("Failure setting breakpoints");
2473                 }
2474         }
2475         else
2476         {
2477                 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2478         }
2479
2480         return ERROR_OK;
2481 }
2482
2483 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2484 {
2485         target_t *target = get_current_target(cmd_ctx);
2486
2487         if (argc > 0)
2488                 watchpoint_remove(target, strtoul(args[0], NULL, 0));
2489
2490         return ERROR_OK;
2491 }
2492
2493 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
2494 {
2495         int retval;
2496         target_t *target = get_current_target(cmd_ctx);
2497         u32 va;
2498         u32 pa;
2499
2500         if (argc != 1)
2501         {
2502                 return ERROR_COMMAND_SYNTAX_ERROR;
2503         }
2504         va = strtoul(args[0], NULL, 0);
2505
2506         retval = target->type->virt2phys(target, va, &pa);
2507         if (retval == ERROR_OK)
2508         {
2509                 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2510         }
2511         else
2512         {
2513                 /* lower levels will have logged a detailed error which is
2514                  * forwarded to telnet/GDB session.
2515                  */
2516         }
2517         return retval;
2518 }
2519 static void writeLong(FILE *f, int l)
2520 {
2521         int i;
2522         for (i=0; i<4; i++)
2523         {
2524                 char c=(l>>(i*8))&0xff;
2525                 fwrite(&c, 1, 1, f);
2526         }
2527
2528 }
2529 static void writeString(FILE *f, char *s)
2530 {
2531         fwrite(s, 1, strlen(s), f);
2532 }
2533
2534
2535
2536 // Dump a gmon.out histogram file.
2537 static void writeGmon(u32 *samples, int sampleNum, char *filename)
2538 {
2539         int i;
2540         FILE *f=fopen(filename, "w");
2541         if (f==NULL)
2542                 return;
2543         fwrite("gmon", 1, 4, f);
2544         writeLong(f, 0x00000001); // Version
2545         writeLong(f, 0); // padding
2546         writeLong(f, 0); // padding
2547         writeLong(f, 0); // padding
2548
2549         fwrite("", 1, 1, f);  // GMON_TAG_TIME_HIST
2550
2551         // figure out bucket size
2552         u32 min=samples[0];
2553         u32 max=samples[0];
2554         for (i=0; i<sampleNum; i++)
2555         {
2556                 if (min>samples[i])
2557                 {
2558                         min=samples[i];
2559                 }
2560                 if (max<samples[i])
2561                 {
2562                         max=samples[i];
2563                 }
2564         }
2565
2566         int addressSpace=(max-min+1);
2567
2568         static int const maxBuckets=256*1024; // maximum buckets.
2569         int length=addressSpace;
2570         if (length > maxBuckets)
2571         {
2572                 length=maxBuckets;
2573         }
2574         int *buckets=malloc(sizeof(int)*length);
2575         if (buckets==NULL)
2576         {
2577                 fclose(f);
2578                 return;
2579         }
2580         memset(buckets, 0, sizeof(int)*length);
2581         for (i=0; i<sampleNum;i++)
2582         {
2583                 u32 address=samples[i];
2584                 long long a=address-min;
2585                 long long b=length-1;
2586                 long long c=addressSpace-1;
2587                 int index=(a*b)/c; // danger!!!! int32 overflows
2588                 buckets[index]++;
2589         }
2590
2591         //                         append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr))
2592         writeLong(f, min);                                      // low_pc
2593         writeLong(f, max);              // high_pc
2594         writeLong(f, length);           // # of samples
2595         writeLong(f, 64000000);                         // 64MHz
2596         writeString(f, "seconds");
2597         for (i=0; i<(15-strlen("seconds")); i++)
2598         {
2599                 fwrite("", 1, 1, f);  // padding
2600         }
2601         writeString(f, "s");
2602
2603 //                         append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size)
2604
2605         char *data=malloc(2*length);
2606         if (data!=NULL)
2607         {
2608                 for (i=0; i<length;i++)
2609                 {
2610                         int val;
2611                         val=buckets[i];
2612                         if (val>65535)
2613                         {
2614                                 val=65535;
2615                         }
2616                         data[i*2]=val&0xff;
2617                         data[i*2+1]=(val>>8)&0xff;
2618                 }
2619                 free(buckets);
2620                 fwrite(data, 1, length*2, f);
2621                 free(data);
2622         } else
2623         {
2624                 free(buckets);
2625         }
2626
2627         fclose(f);
2628 }
2629
2630 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
2631 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2632 {
2633         target_t *target = get_current_target(cmd_ctx);
2634         struct timeval timeout, now;
2635
2636         gettimeofday(&timeout, NULL);
2637         if (argc!=2)
2638         {
2639                 return ERROR_COMMAND_SYNTAX_ERROR;
2640         }
2641         char *end;
2642         timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
2643         if (*end)
2644         {
2645                 return ERROR_OK;
2646         }
2647
2648         command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
2649
2650         static const int maxSample=10000;
2651         u32 *samples=malloc(sizeof(u32)*maxSample);
2652         if (samples==NULL)
2653                 return ERROR_OK;
2654
2655         int numSamples=0;
2656         int retval=ERROR_OK;
2657         // hopefully it is safe to cache! We want to stop/restart as quickly as possible.
2658         reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
2659
2660         for (;;)
2661         {
2662                 target_poll(target);
2663                 if (target->state == TARGET_HALTED)
2664                 {
2665                         u32 t=*((u32 *)reg->value);
2666                         samples[numSamples++]=t;
2667                         retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2668                         target_poll(target);
2669                         alive_sleep(10); // sleep 10ms, i.e. <100 samples/second.
2670                 } else if (target->state == TARGET_RUNNING)
2671                 {
2672                         // We want to quickly sample the PC.
2673                         if((retval = target_halt(target)) != ERROR_OK)
2674                         {
2675                                 free(samples);
2676                                 return retval;
2677                         }
2678                 } else
2679                 {
2680                         command_print(cmd_ctx, "Target not halted or running");
2681                         retval=ERROR_OK;
2682                         break;
2683                 }
2684                 if (retval!=ERROR_OK)
2685                 {
2686                         break;
2687                 }
2688
2689                 gettimeofday(&now, NULL);
2690                 if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
2691                 {
2692                         command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
2693                         if((retval = target_poll(target)) != ERROR_OK)
2694                         {
2695                                 free(samples);
2696                                 return retval;
2697                         }
2698                         if (target->state == TARGET_HALTED)
2699                         {
2700                                 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2701                         }
2702                         if((retval = target_poll(target)) != ERROR_OK)
2703                         {
2704                                 free(samples);
2705                                 return retval;
2706                         }
2707                         writeGmon(samples, numSamples, args[1]);
2708                         command_print(cmd_ctx, "Wrote %s", args[1]);
2709                         break;
2710                 }
2711         }
2712         free(samples);
2713
2714         return ERROR_OK;
2715 }
2716
2717 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 val)
2718 {
2719         char *namebuf;
2720         Jim_Obj *nameObjPtr, *valObjPtr;
2721         int result;
2722
2723         namebuf = alloc_printf("%s(%d)", varname, idx);
2724         if (!namebuf)
2725                 return JIM_ERR;
2726
2727         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2728         valObjPtr = Jim_NewIntObj(interp, val);
2729         if (!nameObjPtr || !valObjPtr)
2730         {
2731                 free(namebuf);
2732                 return JIM_ERR;
2733         }
2734
2735         Jim_IncrRefCount(nameObjPtr);
2736         Jim_IncrRefCount(valObjPtr);
2737         result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
2738         Jim_DecrRefCount(interp, nameObjPtr);
2739         Jim_DecrRefCount(interp, valObjPtr);
2740         free(namebuf);
2741         /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
2742         return result;
2743 }
2744
2745 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2746 {
2747         command_context_t *context;
2748         target_t *target;
2749
2750         context = Jim_GetAssocData(interp, "context");
2751         if (context == NULL)
2752         {
2753                 LOG_ERROR("mem2array: no command context");
2754                 return JIM_ERR;
2755         }
2756         target = get_current_target(context);
2757         if (target == NULL)
2758         {
2759                 LOG_ERROR("mem2array: no current target");
2760                 return JIM_ERR;
2761         }
2762
2763         return  target_mem2array(interp, target, argc,argv);
2764 }
2765
2766 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2767 {
2768         long l;
2769         u32 width;
2770         u32 len;
2771         u32 addr;
2772         u32 count;
2773         u32 v;
2774         const char *varname;
2775         u8 buffer[4096];
2776         int  i, n, e, retval;
2777
2778         /* argv[1] = name of array to receive the data
2779          * argv[2] = desired width
2780          * argv[3] = memory address
2781          * argv[4] = count of times to read
2782          */
2783         if (argc != 5) {
2784                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2785                 return JIM_ERR;
2786         }
2787         varname = Jim_GetString(argv[1], &len);
2788         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2789
2790         e = Jim_GetLong(interp, argv[2], &l);
2791         width = l;
2792         if (e != JIM_OK) {
2793                 return e;
2794         }
2795
2796         e = Jim_GetLong(interp, argv[3], &l);
2797         addr = l;
2798         if (e != JIM_OK) {
2799                 return e;
2800         }
2801         e = Jim_GetLong(interp, argv[4], &l);
2802         len = l;
2803         if (e != JIM_OK) {
2804                 return e;
2805         }
2806         switch (width) {
2807                 case 8:
2808                         width = 1;
2809                         break;
2810                 case 16:
2811                         width = 2;
2812                         break;
2813                 case 32:
2814                         width = 4;
2815                         break;
2816                 default:
2817                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2818                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2819                         return JIM_ERR;
2820         }
2821         if (len == 0) {
2822                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2823                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
2824                 return JIM_ERR;
2825         }
2826         if ((addr + (len * width)) < addr) {
2827                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2828                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
2829                 return JIM_ERR;
2830         }
2831         /* absurd transfer size? */
2832         if (len > 65536) {
2833                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2834                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
2835                 return JIM_ERR;
2836         }
2837
2838         if ((width == 1) ||
2839                 ((width == 2) && ((addr & 1) == 0)) ||
2840                 ((width == 4) && ((addr & 3) == 0))) {
2841                 /* all is well */
2842         } else {
2843                 char buf[100];
2844                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2845                 sprintf(buf, "mem2array address: 0x%08x is not aligned for %d byte reads", addr, width);
2846                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2847                 return JIM_ERR;
2848         }
2849
2850         /* Transfer loop */
2851
2852         /* index counter */
2853         n = 0;
2854         /* assume ok */
2855         e = JIM_OK;
2856         while (len) {
2857                 /* Slurp... in buffer size chunks */
2858
2859                 count = len; /* in objects.. */
2860                 if (count > (sizeof(buffer)/width)) {
2861                         count = (sizeof(buffer)/width);
2862                 }
2863
2864                 retval = target->type->read_memory( target, addr, width, count, buffer );
2865                 if (retval != ERROR_OK) {
2866                         /* BOO !*/
2867                         LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
2868                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2869                         Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
2870                         e = JIM_ERR;
2871                         len = 0;
2872                 } else {
2873                         v = 0; /* shut up gcc */
2874                         for (i = 0 ;i < count ;i++, n++) {
2875                                 switch (width) {
2876                                         case 4:
2877                                                 v = target_buffer_get_u32(target, &buffer[i*width]);
2878                                                 break;
2879                                         case 2:
2880                                                 v = target_buffer_get_u16(target, &buffer[i*width]);
2881                                                 break;
2882                                         case 1:
2883                                                 v = buffer[i] & 0x0ff;
2884                                                 break;
2885                                 }
2886                                 new_int_array_element(interp, varname, n, v);
2887                         }
2888                         len -= count;
2889                 }
2890         }
2891
2892         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2893
2894         return JIM_OK;
2895 }
2896
2897 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 *val)
2898 {
2899         char *namebuf;
2900         Jim_Obj *nameObjPtr, *valObjPtr;
2901         int result;
2902         long l;
2903
2904         namebuf = alloc_printf("%s(%d)", varname, idx);
2905         if (!namebuf)
2906                 return JIM_ERR;
2907
2908         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2909         if (!nameObjPtr)
2910         {
2911                 free(namebuf);
2912                 return JIM_ERR;
2913         }
2914
2915         Jim_IncrRefCount(nameObjPtr);
2916         valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
2917         Jim_DecrRefCount(interp, nameObjPtr);
2918         free(namebuf);
2919         if (valObjPtr == NULL)
2920                 return JIM_ERR;
2921
2922         result = Jim_GetLong(interp, valObjPtr, &l);
2923         /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
2924         *val = l;
2925         return result;
2926 }
2927
2928 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2929 {
2930         command_context_t *context;
2931         target_t *target;
2932
2933         context = Jim_GetAssocData(interp, "context");
2934         if (context == NULL){
2935                 LOG_ERROR("array2mem: no command context");
2936                 return JIM_ERR;
2937         }
2938         target = get_current_target(context);
2939         if (target == NULL){
2940                 LOG_ERROR("array2mem: no current target");
2941                 return JIM_ERR;
2942         }
2943
2944         return target_array2mem( interp,target, argc, argv );
2945 }
2946
2947
2948 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2949 {
2950         long l;
2951         u32 width;
2952         u32 len;
2953         u32 addr;
2954         u32 count;
2955         u32 v;
2956         const char *varname;
2957         u8 buffer[4096];
2958         int  i, n, e, retval;
2959
2960         /* argv[1] = name of array to get the data
2961          * argv[2] = desired width
2962          * argv[3] = memory address
2963          * argv[4] = count to write
2964          */
2965         if (argc != 5) {
2966                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2967                 return JIM_ERR;
2968         }
2969         varname = Jim_GetString(argv[1], &len);
2970         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2971
2972         e = Jim_GetLong(interp, argv[2], &l);
2973         width = l;
2974         if (e != JIM_OK) {
2975                 return e;
2976         }
2977
2978         e = Jim_GetLong(interp, argv[3], &l);
2979         addr = l;
2980         if (e != JIM_OK) {
2981                 return e;
2982         }
2983         e = Jim_GetLong(interp, argv[4], &l);
2984         len = l;
2985         if (e != JIM_OK) {
2986                 return e;
2987         }
2988         switch (width) {
2989                 case 8:
2990                         width = 1;
2991                         break;
2992                 case 16:
2993                         width = 2;
2994                         break;
2995                 case 32:
2996                         width = 4;
2997                         break;
2998                 default:
2999                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3000                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
3001                         return JIM_ERR;
3002         }
3003         if (len == 0) {
3004                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3005                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
3006                 return JIM_ERR;
3007         }
3008         if ((addr + (len * width)) < addr) {
3009                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3010                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
3011                 return JIM_ERR;
3012         }
3013         /* absurd transfer size? */
3014         if (len > 65536) {
3015                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3016                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
3017                 return JIM_ERR;
3018         }
3019
3020         if ((width == 1) ||
3021                 ((width == 2) && ((addr & 1) == 0)) ||
3022                 ((width == 4) && ((addr & 3) == 0))) {
3023                 /* all is well */
3024         } else {
3025                 char buf[100];
3026                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3027                 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads", addr, width);
3028                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3029                 return JIM_ERR;
3030         }
3031
3032
3033         /* Transfer loop */
3034
3035         /* index counter */
3036         n = 0;
3037         /* assume ok */
3038         e = JIM_OK;
3039         while (len) {
3040                 /* Slurp... in buffer size chunks */
3041
3042                 count = len; /* in objects.. */
3043                 if (count > (sizeof(buffer)/width)) {
3044                         count = (sizeof(buffer)/width);
3045                 }
3046
3047                 v = 0; /* shut up gcc */
3048                 for (i = 0 ;i < count ;i++, n++) {
3049                         get_int_array_element(interp, varname, n, &v);
3050                         switch (width) {
3051                         case 4:
3052                                 target_buffer_set_u32(target, &buffer[i*width], v);
3053                                 break;
3054                         case 2:
3055                                 target_buffer_set_u16(target, &buffer[i*width], v);
3056                                 break;
3057                         case 1:
3058                                 buffer[i] = v & 0x0ff;
3059                                 break;
3060                         }
3061                 }
3062                 len -= count;
3063
3064                 retval = target->type->write_memory(target, addr, width, count, buffer);
3065                 if (retval != ERROR_OK) {
3066                         /* BOO !*/
3067                         LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
3068                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3069                         Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
3070                         e = JIM_ERR;
3071                         len = 0;
3072                 }
3073         }
3074
3075         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3076
3077         return JIM_OK;
3078 }
3079
3080 void
3081 target_all_handle_event( enum target_event e )
3082 {
3083         target_t *target;
3084
3085
3086         LOG_DEBUG( "**all*targets: event: %d, %s",
3087                    e,
3088                    Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3089
3090         target = all_targets;
3091         while (target){
3092                 target_handle_event( target, e );
3093                 target = target->next;
3094         }
3095 }
3096
3097 void
3098 target_handle_event( target_t *target, enum target_event e )
3099 {
3100         target_event_action_t *teap;
3101         int done;
3102
3103         teap = target->event_action;
3104
3105         done = 0;
3106         while( teap ){
3107                 if( teap->event == e ){
3108                         done = 1;
3109                         LOG_DEBUG( "target: (%d) %s (%s) event: %d (%s) action: %s\n",
3110                                            target->target_number,
3111                                            target->cmd_name,
3112                                            target->type->name,
3113                                            e,
3114                                            Jim_Nvp_value2name_simple( nvp_target_event, e )->name,
3115                                            Jim_GetString( teap->body, NULL ) );
3116                         if (Jim_EvalObj( interp, teap->body )!=JIM_OK)
3117                         {
3118                                 Jim_PrintErrorMessage(interp);
3119                         }
3120                 }
3121                 teap = teap->next;
3122         }
3123         if( !done ){
3124                 LOG_DEBUG( "event: %d %s - no action",
3125                                    e,
3126                                    Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3127         }
3128 }
3129
3130 enum target_cfg_param {
3131         TCFG_TYPE,
3132         TCFG_EVENT,
3133         TCFG_WORK_AREA_VIRT,
3134         TCFG_WORK_AREA_PHYS,
3135         TCFG_WORK_AREA_SIZE,
3136         TCFG_WORK_AREA_BACKUP,
3137         TCFG_ENDIAN,
3138         TCFG_VARIANT,
3139         TCFG_CHAIN_POSITION,
3140 };
3141
3142
3143 static Jim_Nvp nvp_config_opts[] = {
3144         { .name = "-type",             .value = TCFG_TYPE },
3145         { .name = "-event",            .value = TCFG_EVENT },
3146         { .name = "-work-area-virt",   .value = TCFG_WORK_AREA_VIRT },
3147         { .name = "-work-area-phys",   .value = TCFG_WORK_AREA_PHYS },
3148         { .name = "-work-area-size",   .value = TCFG_WORK_AREA_SIZE },
3149         { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
3150         { .name = "-endian" ,          .value = TCFG_ENDIAN },
3151         { .name = "-variant",          .value = TCFG_VARIANT },
3152         { .name = "-chain-position",   .value = TCFG_CHAIN_POSITION },
3153
3154         { .name = NULL, .value = -1 }
3155 };
3156
3157
3158 static int
3159 target_configure( Jim_GetOptInfo *goi,
3160                                   target_t *target )
3161 {
3162         Jim_Nvp *n;
3163         Jim_Obj *o;
3164         jim_wide w;
3165         char *cp;
3166         int e;
3167
3168
3169         /* parse config or cget options ... */
3170         while( goi->argc > 0 ){
3171                 Jim_SetEmptyResult( goi->interp );
3172                 //Jim_GetOpt_Debug( goi );
3173
3174                 if( target->type->target_jim_configure ){
3175                         /* target defines a configure function */
3176                         /* target gets first dibs on parameters */
3177                         e = (*(target->type->target_jim_configure))( target, goi );
3178                         if( e == JIM_OK ){
3179                                 /* more? */
3180                                 continue;
3181                         }
3182                         if( e == JIM_ERR ){
3183                                 /* An error */
3184                                 return e;
3185                         }
3186                         /* otherwise we 'continue' below */
3187                 }
3188                 e = Jim_GetOpt_Nvp( goi, nvp_config_opts, &n );
3189                 if( e != JIM_OK ){
3190                         Jim_GetOpt_NvpUnknown( goi, nvp_config_opts, 0 );
3191                         return e;
3192                 }
3193                 switch( n->value ){
3194                 case TCFG_TYPE:
3195                         /* not setable */
3196                         if( goi->isconfigure ){
3197                                 Jim_SetResult_sprintf( goi->interp, "not setable: %s", n->name );
3198                                 return JIM_ERR;
3199                         } else {
3200                         no_params:
3201                                 if( goi->argc != 0 ){
3202                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "NO PARAMS");
3203                                         return JIM_ERR;
3204                                 }
3205                         }
3206                         Jim_SetResultString( goi->interp, target->type->name, -1 );
3207                         /* loop for more */
3208                         break;
3209                 case TCFG_EVENT:
3210                         if( goi->argc == 0 ){
3211                                 Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
3212                                 return JIM_ERR;
3213                         }
3214
3215                         e = Jim_GetOpt_Nvp( goi, nvp_target_event, &n );
3216                         if( e != JIM_OK ){
3217                                 Jim_GetOpt_NvpUnknown( goi, nvp_target_event, 1 );
3218                                 return e;
3219                         }
3220
3221                         if( goi->isconfigure ){
3222                                 if( goi->argc != 1 ){
3223                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
3224                                         return JIM_ERR;
3225                                 }
3226                         } else {
3227                                 if( goi->argc != 0 ){
3228                                         Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
3229                                         return JIM_ERR;
3230                                 }
3231                         }
3232
3233
3234                         {
3235                                 target_event_action_t *teap;
3236
3237                                 teap = target->event_action;
3238                                 /* replace existing? */
3239                                 while( teap ){
3240                                         if( teap->event == n->value ){
3241                                                 break;
3242                                         }
3243                                         teap = teap->next;
3244                                 }
3245
3246                                 if( goi->isconfigure ){
3247                                         if( teap == NULL ){
3248                                                 /* create new */
3249                                                 teap = calloc( 1, sizeof(*teap) );
3250                                         }
3251                                         teap->event = n->value;
3252                                         Jim_GetOpt_Obj( goi, &o );
3253                                         if( teap->body ){
3254                                                 Jim_DecrRefCount( interp, teap->body );
3255                                         }
3256                                         teap->body  = Jim_DuplicateObj( goi->interp, o );
3257                                         /*
3258                                          * FIXME:
3259                                          *     Tcl/TK - "tk events" have a nice feature.
3260                                          *     See the "BIND" command.
3261                                          *    We should support that here.
3262                                          *     You can specify %X and %Y in the event code.
3263                                          *     The idea is: %T - target name.
3264                                          *     The idea is: %N - target number
3265                                          *     The idea is: %E - event name.
3266                                          */
3267                                         Jim_IncrRefCount( teap->body );
3268
3269                                         /* add to head of event list */
3270                                         teap->next = target->event_action;
3271                                         target->event_action = teap;
3272                                         Jim_SetEmptyResult(goi->interp);
3273                                 } else {
3274                                         /* get */
3275                                         if( teap == NULL ){
3276                                                 Jim_SetEmptyResult( goi->interp );
3277                                         } else {
3278                                                 Jim_SetResult( goi->interp, Jim_DuplicateObj( goi->interp, teap->body ) );
3279                                         }
3280                                 }
3281                         }
3282                         /* loop for more */
3283                         break;
3284
3285                 case TCFG_WORK_AREA_VIRT:
3286                         if( goi->isconfigure ){
3287                                 target_free_all_working_areas(target);
3288                                 e = Jim_GetOpt_Wide( goi, &w );
3289                                 if( e != JIM_OK ){
3290                                         return e;
3291                                 }
3292                                 target->working_area_virt = w;
3293                         } else {
3294                                 if( goi->argc != 0 ){
3295                                         goto no_params;
3296                                 }
3297                         }
3298                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_virt ) );
3299                         /* loop for more */
3300                         break;
3301
3302                 case TCFG_WORK_AREA_PHYS:
3303                         if( goi->isconfigure ){
3304                                 target_free_all_working_areas(target);
3305                                 e = Jim_GetOpt_Wide( goi, &w );
3306                                 if( e != JIM_OK ){
3307                                         return e;
3308                                 }
3309                                 target->working_area_phys = w;
3310                         } else {
3311                                 if( goi->argc != 0 ){
3312                                         goto no_params;
3313                                 }
3314                         }
3315                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_phys ) );
3316                         /* loop for more */
3317                         break;
3318
3319                 case TCFG_WORK_AREA_SIZE:
3320                         if( goi->isconfigure ){
3321                                 target_free_all_working_areas(target);
3322                                 e = Jim_GetOpt_Wide( goi, &w );
3323                                 if( e != JIM_OK ){
3324                                         return e;
3325                                 }
3326                                 target->working_area_size = w;
3327                         } else {
3328                                 if( goi->argc != 0 ){
3329                                         goto no_params;
3330                                 }
3331                         }
3332                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3333                         /* loop for more */
3334                         break;
3335
3336                 case TCFG_WORK_AREA_BACKUP:
3337                         if( goi->isconfigure ){
3338                                 target_free_all_working_areas(target);
3339                                 e = Jim_GetOpt_Wide( goi, &w );
3340                                 if( e != JIM_OK ){
3341                                         return e;
3342                                 }
3343                                 /* make this exactly 1 or 0 */
3344                                 target->backup_working_area = (!!w);
3345                         } else {
3346                                 if( goi->argc != 0 ){
3347                                         goto no_params;
3348                                 }
3349                         }
3350                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3351                         /* loop for more e*/
3352                         break;
3353
3354                 case TCFG_ENDIAN:
3355                         if( goi->isconfigure ){
3356                                 e = Jim_GetOpt_Nvp( goi, nvp_target_endian, &n );
3357                                 if( e != JIM_OK ){
3358                                         Jim_GetOpt_NvpUnknown( goi, nvp_target_endian, 1 );
3359                                         return e;
3360                                 }
3361                                 target->endianness = n->value;
3362                         } else {
3363                                 if( goi->argc != 0 ){
3364                                         goto no_params;
3365                                 }
3366                         }
3367                         n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3368                         if( n->name == NULL ){
3369                                 target->endianness = TARGET_LITTLE_ENDIAN;
3370                                 n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3371                         }
3372                         Jim_SetResultString( goi->interp, n->name, -1 );
3373                         /* loop for more */
3374                         break;
3375
3376                 case TCFG_VARIANT:
3377                         if( goi->isconfigure ){
3378                                 if( goi->argc < 1 ){
3379                                         Jim_SetResult_sprintf( goi->interp,
3380                                                                                    "%s ?STRING?",
3381                                                                                    n->name );
3382                                         return JIM_ERR;
3383                                 }
3384                                 if( target->variant ){
3385                                         free((void *)(target->variant));
3386                                 }
3387                                 e = Jim_GetOpt_String( goi, &cp, NULL );
3388                                 target->variant = strdup(cp);
3389                         } else {
3390                                 if( goi->argc != 0 ){
3391                                         goto no_params;
3392                                 }
3393                         }
3394                         Jim_SetResultString( goi->interp, target->variant,-1 );
3395                         /* loop for more */
3396                         break;
3397                 case TCFG_CHAIN_POSITION:
3398                         if( goi->isconfigure ){
3399                                 target_free_all_working_areas(target);
3400                                 e = Jim_GetOpt_Wide( goi, &w );
3401                                 if( e != JIM_OK ){
3402                                         return e;
3403                                 }
3404                                 /* make this exactly 1 or 0 */
3405                                 target->chain_position = w;
3406                         } else {
3407                                 if( goi->argc != 0 ){
3408                                         goto no_params;
3409                                 }
3410                         }
3411                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->chain_position ) );
3412                         /* loop for more e*/
3413                         break;
3414                 }
3415         } /* while( goi->argc ) */
3416                 /* done - we return */
3417         return JIM_OK;
3418 }
3419
3420
3421 /** this is the 'tcl' handler for the target specific command */
3422 static int
3423 tcl_target_func( Jim_Interp *interp,
3424                                  int argc,
3425                                  Jim_Obj *const *argv )
3426 {
3427         Jim_GetOptInfo goi;
3428         jim_wide a,b,c;
3429         int x,y,z;
3430         u8  target_buf[32];
3431         Jim_Nvp *n;
3432         target_t *target;
3433         struct command_context_s *cmd_ctx;
3434         int e;
3435
3436
3437         enum {
3438                 TS_CMD_CONFIGURE,
3439                 TS_CMD_CGET,
3440
3441                 TS_CMD_MWW, TS_CMD_MWH, TS_CMD_MWB,
3442                 TS_CMD_MDW, TS_CMD_MDH, TS_CMD_MDB,
3443                 TS_CMD_MRW, TS_CMD_MRH, TS_CMD_MRB,
3444                 TS_CMD_MEM2ARRAY, TS_CMD_ARRAY2MEM,
3445                 TS_CMD_EXAMINE,
3446                 TS_CMD_POLL,
3447                 TS_CMD_RESET,
3448                 TS_CMD_HALT,
3449                 TS_CMD_WAITSTATE,
3450                 TS_CMD_EVENTLIST,
3451                 TS_CMD_CURSTATE,
3452                 TS_CMD_INVOKE_EVENT,
3453         };
3454
3455         static const Jim_Nvp target_options[] = {
3456                 { .name = "configure", .value = TS_CMD_CONFIGURE },
3457                 { .name = "cget", .value = TS_CMD_CGET },
3458                 { .name = "mww", .value = TS_CMD_MWW },
3459                 { .name = "mwh", .value = TS_CMD_MWH },
3460                 { .name = "mwb", .value = TS_CMD_MWB },
3461                 { .name = "mdw", .value = TS_CMD_MDW },
3462                 { .name = "mdh", .value = TS_CMD_MDH },
3463                 { .name = "mdb", .value = TS_CMD_MDB },
3464                 { .name = "mem2array", .value = TS_CMD_MEM2ARRAY },
3465                 { .name = "array2mem", .value = TS_CMD_ARRAY2MEM },
3466                 { .name = "eventlist", .value = TS_CMD_EVENTLIST },
3467                 { .name = "curstate",  .value = TS_CMD_CURSTATE },
3468
3469                 { .name = "arp_examine", .value = TS_CMD_EXAMINE },
3470                 { .name = "arp_poll", .value = TS_CMD_POLL },
3471                 { .name = "arp_reset", .value = TS_CMD_RESET },
3472                 { .name = "arp_halt", .value = TS_CMD_HALT },
3473                 { .name = "arp_waitstate", .value = TS_CMD_WAITSTATE },
3474                 { .name = "invoke-event", .value = TS_CMD_INVOKE_EVENT },
3475
3476                 { .name = NULL, .value = -1 },
3477         };
3478
3479
3480         /* go past the "command" */
3481         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3482
3483         target = Jim_CmdPrivData( goi.interp );
3484         cmd_ctx = Jim_GetAssocData(goi.interp, "context");
3485
3486         /* commands here are in an NVP table */
3487         e = Jim_GetOpt_Nvp( &goi, target_options, &n );
3488         if( e != JIM_OK ){
3489                 Jim_GetOpt_NvpUnknown( &goi, target_options, 0 );
3490                 return e;
3491         }
3492         // Assume blank result
3493         Jim_SetEmptyResult( goi.interp );
3494
3495         switch( n->value ){
3496         case TS_CMD_CONFIGURE:
3497                 if( goi.argc < 2 ){
3498                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "missing: -option VALUE ...");
3499                         return JIM_ERR;
3500                 }
3501                 goi.isconfigure = 1;
3502                 return target_configure( &goi, target );
3503         case TS_CMD_CGET:
3504                 // some things take params
3505                 if( goi.argc < 1 ){
3506                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "missing: ?-option?");
3507                         return JIM_ERR;
3508                 }
3509                 goi.isconfigure = 0;
3510                 return target_configure( &goi, target );
3511                 break;
3512         case TS_CMD_MWW:
3513         case TS_CMD_MWH:
3514         case TS_CMD_MWB:
3515                 /* argv[0] = cmd
3516                  * argv[1] = address
3517                  * argv[2] = data
3518                  * argv[3] = optional count.
3519                  */
3520
3521                 if( (goi.argc == 3) || (goi.argc == 4) ){
3522                         /* all is well */
3523                 } else {
3524                 mwx_error:
3525                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR DATA [COUNT]", n->name );
3526                         return JIM_ERR;
3527                 }
3528
3529                 e = Jim_GetOpt_Wide( &goi, &a );
3530                 if( e != JIM_OK ){
3531                         goto mwx_error;
3532                 }
3533
3534                 e = Jim_GetOpt_Wide( &goi, &b );
3535                 if( e != JIM_OK ){
3536                         goto mwx_error;
3537                 }
3538                 if( goi.argc ){
3539                         e = Jim_GetOpt_Wide( &goi, &c );
3540                         if( e != JIM_OK ){
3541                                 goto mwx_error;
3542                         }
3543                 } else {
3544                         c = 1;
3545                 }
3546
3547                 switch( n->value ){
3548                 case TS_CMD_MWW:
3549                         target_buffer_set_u32( target, target_buf, b );
3550                         b = 4;
3551                         break;
3552                 case TS_CMD_MWH:
3553                         target_buffer_set_u16( target, target_buf, b );
3554                         b = 2;
3555                         break;
3556                 case TS_CMD_MWB:
3557                         target_buffer_set_u8( target, target_buf, b );
3558                         b = 1;
3559                         break;
3560                 }
3561                 for( x = 0 ; x < c ; x++ ){
3562                         e = target->type->write_memory( target, a, b, 1, target_buf );
3563                         if( e != ERROR_OK ){
3564                                 Jim_SetResult_sprintf( interp, "Error writing @ 0x%08x: %d\n", (int)(a), e );
3565                                 return JIM_ERR;
3566                         }
3567                         /* b = width */
3568                         a = a + b;
3569                 }
3570                 return JIM_OK;
3571                 break;
3572
3573                 /* display */
3574         case TS_CMD_MDW:
3575         case TS_CMD_MDH:
3576         case TS_CMD_MDB:
3577                 /* argv[0] = command
3578                  * argv[1] = address
3579                  * argv[2] = optional count
3580                  */
3581                 if( (goi.argc == 2) || (goi.argc == 3) ){
3582                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR [COUNT]", n->name );
3583                         return JIM_ERR;
3584                 }
3585                 e = Jim_GetOpt_Wide( &goi, &a );
3586                 if( e != JIM_OK ){
3587                         return JIM_ERR;
3588                 }
3589                 if( goi.argc ){
3590                         e = Jim_GetOpt_Wide( &goi, &c );
3591                         if( e != JIM_OK ){
3592                                 return JIM_ERR;
3593                         }
3594                 } else {
3595                         c = 1;
3596                 }
3597                 b = 1; /* shut up gcc */
3598                 switch( n->value ){
3599                 case TS_CMD_MDW:
3600                         b =  4;
3601                         break;
3602                 case TS_CMD_MDH:
3603                         b = 2;
3604                         break;
3605                 case TS_CMD_MDB:
3606                         b = 1;
3607                         break;
3608                 }
3609
3610                 /* convert to "bytes" */
3611                 c = c * b;
3612                 /* count is now in 'BYTES' */
3613                 while( c > 0 ){
3614                         y = c;
3615                         if( y > 16 ){
3616                                 y = 16;
3617                         }
3618                         e = target->type->read_memory( target, a, b, y / b, target_buf );
3619                         if( e != ERROR_OK ){
3620                                 Jim_SetResult_sprintf( interp, "error reading target @ 0x%08lx", (int)(a) );
3621                                 return JIM_ERR;
3622                         }
3623
3624                         Jim_fprintf( interp, interp->cookie_stdout, "0x%08x ", (int)(a) );
3625                         switch( b ){
3626                         case 4:
3627                                 for( x = 0 ; (x < 16) && (x < y) ; x += 4 ){
3628                                         z = target_buffer_get_u32( target, &(target_buf[ x * 4 ]) );
3629                                         Jim_fprintf( interp, interp->cookie_stdout, "%08x ", (int)(z) );
3630                                 }
3631                                 for( ; (x < 16) ; x += 4 ){
3632                                         Jim_fprintf( interp, interp->cookie_stdout, "         " );
3633                                 }
3634                                 break;
3635                         case 2:
3636                                 for( x = 0 ; (x < 16) && (x < y) ; x += 2 ){
3637                                         z = target_buffer_get_u16( target, &(target_buf[ x * 2 ]) );
3638                                         Jim_fprintf( interp, interp->cookie_stdout, "%04x ", (int)(z) );
3639                                 }
3640                                 for( ; (x < 16) ; x += 2 ){
3641                                         Jim_fprintf( interp, interp->cookie_stdout, "     " );
3642                                 }
3643                                 break;
3644                         case 1:
3645                         default:
3646                                 for( x = 0 ; (x < 16) && (x < y) ; x += 1 ){
3647                                         z = target_buffer_get_u8( target, &(target_buf[ x * 4 ]) );
3648                                         Jim_fprintf( interp, interp->cookie_stdout, "%02x ", (int)(z) );
3649                                 }
3650                                 for( ; (x < 16) ; x += 1 ){
3651                                         Jim_fprintf( interp, interp->cookie_stdout, "   " );
3652                                 }
3653                                 break;
3654                         }
3655                         /* ascii-ify the bytes */
3656                         for( x = 0 ; x < y ; x++ ){
3657                                 if( (target_buf[x] >= 0x20) &&
3658                                         (target_buf[x] <= 0x7e) ){
3659                                         /* good */
3660                                 } else {
3661                                         /* smack it */
3662                                         target_buf[x] = '.';
3663                                 }
3664                         }
3665                         /* space pad  */
3666                         while( x < 16 ){
3667                                 target_buf[x] = ' ';
3668                                 x++;
3669                         }
3670                         /* terminate */
3671                         target_buf[16] = 0;
3672                         /* print - with a newline */
3673                         Jim_fprintf( interp, interp->cookie_stdout, "%s\n", target_buf );
3674                         /* NEXT... */
3675                         c -= 16;
3676                         a += 16;
3677                 }
3678                 return JIM_OK;
3679         case TS_CMD_MEM2ARRAY:
3680                 return target_mem2array( goi.interp, target, goi.argc, goi.argv );
3681                 break;
3682         case TS_CMD_ARRAY2MEM:
3683                 return target_array2mem( goi.interp, target, goi.argc, goi.argv );
3684                 break;
3685         case TS_CMD_EXAMINE:
3686                 if( goi.argc ){
3687                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3688                         return JIM_ERR;
3689                 }
3690                 e = target->type->examine( target );
3691                 if( e != ERROR_OK ){
3692                         Jim_SetResult_sprintf( interp, "examine-fails: %d", e );
3693                         return JIM_ERR;
3694                 }
3695                 return JIM_OK;
3696         case TS_CMD_POLL:
3697                 if( goi.argc ){
3698                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3699                         return JIM_ERR;
3700                 }
3701                 if( !(target->type->examined) ){
3702                         e = ERROR_TARGET_NOT_EXAMINED;
3703                 } else {
3704                         e = target->type->poll( target );
3705                 }
3706                 if( e != ERROR_OK ){
3707                         Jim_SetResult_sprintf( interp, "poll-fails: %d", e );
3708                         return JIM_ERR;
3709                 } else {
3710                         return JIM_OK;
3711                 }
3712                 break;
3713         case TS_CMD_RESET:
3714                 if( goi.argc != 2 ){
3715                         Jim_WrongNumArgs( interp, 2, argv, "t|f|assert|deassert BOOL");
3716                         return JIM_ERR;
3717                 }
3718                 e = Jim_GetOpt_Nvp( &goi, nvp_assert, &n );
3719                 if( e != JIM_OK ){
3720                         Jim_GetOpt_NvpUnknown( &goi, nvp_assert, 1 );
3721                         return e;
3722                 }
3723                 // the halt or not param
3724                 e = Jim_GetOpt_Wide( &goi, &a);
3725                 if( e != JIM_OK ){
3726                         return e;
3727                 }
3728                 // determine if we should halt or not.
3729                 target->reset_halt = !!a;
3730                 // When this happens - all workareas are invalid.
3731                 target_free_all_working_areas_restore(target, 0);
3732
3733                 // do the assert
3734                 if( n->value == NVP_ASSERT ){
3735                         target->type->assert_reset( target );
3736                 } else {
3737                         target->type->deassert_reset( target );
3738                 }
3739                 return JIM_OK;
3740         case TS_CMD_HALT:
3741                 if( goi.argc ){
3742                         Jim_WrongNumArgs( goi.interp, 0, argv, "halt [no parameters]");
3743                         return JIM_ERR;
3744                 }
3745                 target->type->halt( target );
3746                 return JIM_OK;
3747         case TS_CMD_WAITSTATE:
3748                 // params:  <name>  statename timeoutmsecs
3749                 if( goi.argc != 2 ){
3750                         Jim_SetResult_sprintf( goi.interp, "%s STATENAME TIMEOUTMSECS", n->name );
3751                         return JIM_ERR;
3752                 }
3753                 e = Jim_GetOpt_Nvp( &goi, nvp_target_state, &n );
3754                 if( e != JIM_OK ){
3755                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_state,1 );
3756                         return e;
3757                 }
3758                 e = Jim_GetOpt_Wide( &goi, &a );
3759                 if( e != JIM_OK ){
3760                         return e;
3761                 }
3762                 e = target_wait_state( target, n->value, a );
3763                 if( e != ERROR_OK ){
3764                         Jim_SetResult_sprintf( goi.interp,
3765                                                                    "target: %s wait %s fails (%d) %s",
3766                                                                    target->cmd_name,
3767                                                                    n->name,
3768                                                e, target_strerror_safe(e) );
3769                         return JIM_ERR;
3770                 } else {
3771                         return JIM_OK;
3772                 }
3773         case TS_CMD_EVENTLIST:
3774                 /* List for human, Events defined for this target.
3775                  * scripts/programs should use 'name cget -event NAME'
3776                  */
3777                 {
3778                         target_event_action_t *teap;
3779                         teap = target->event_action;
3780                         command_print( cmd_ctx, "Event actions for target (%d) %s\n",
3781                                                    target->target_number,
3782                                                    target->cmd_name );
3783                         command_print( cmd_ctx, "%-25s | Body", "Event");
3784                         command_print( cmd_ctx, "------------------------- | ----------------------------------------");
3785                         while( teap ){
3786                                 command_print( cmd_ctx,
3787                                                            "%-25s | %s",
3788                                                            Jim_Nvp_value2name_simple( nvp_target_event, teap->event )->name,
3789                                                            Jim_GetString( teap->body, NULL ) );
3790                                 teap = teap->next;
3791                         }
3792                         command_print( cmd_ctx, "***END***");
3793                         return JIM_OK;
3794                 }
3795         case TS_CMD_CURSTATE:
3796                 if( goi.argc != 0 ){
3797                         Jim_WrongNumArgs( goi.interp, 0, argv, "[no parameters]");
3798                         return JIM_ERR;
3799                 }
3800                 Jim_SetResultString( goi.interp,
3801                                                          Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name,-1);
3802                 return JIM_OK;
3803         case TS_CMD_INVOKE_EVENT:
3804                 if( goi.argc != 1 ){
3805                         Jim_SetResult_sprintf( goi.interp, "%s ?EVENTNAME?",n->name);
3806                         return JIM_ERR;
3807                 }
3808                 e = Jim_GetOpt_Nvp( &goi, nvp_target_event, &n );
3809                 if( e != JIM_OK ){
3810                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_event, 1 );
3811                         return e;
3812                 }
3813                 target_handle_event( target, n->value );
3814                 return JIM_OK;
3815         }
3816         return JIM_ERR;
3817 }
3818
3819
3820 static int
3821 target_create( Jim_GetOptInfo *goi )
3822 {
3823
3824         Jim_Obj *new_cmd;
3825         Jim_Cmd *cmd;
3826         const char *cp;
3827         char *cp2;
3828         int e;
3829         int x;
3830         target_t *target;
3831         struct command_context_s *cmd_ctx;
3832
3833         cmd_ctx = Jim_GetAssocData(goi->interp, "context");
3834         if( goi->argc < 3 ){
3835                 Jim_WrongNumArgs( goi->interp, 1, goi->argv, "?name? ?type? ..options...");
3836                 return JIM_ERR;
3837         }
3838
3839         /* COMMAND */
3840         Jim_GetOpt_Obj( goi, &new_cmd );
3841         /* does this command exist? */
3842         cmd = Jim_GetCommand( goi->interp, new_cmd, JIM_ERRMSG );
3843         if( cmd ){
3844                 cp = Jim_GetString( new_cmd, NULL );
3845                 Jim_SetResult_sprintf(goi->interp, "Command/target: %s Exists", cp);
3846                 return JIM_ERR;
3847         }
3848
3849         /* TYPE */
3850         e = Jim_GetOpt_String( goi, &cp2, NULL );
3851         cp = cp2;
3852         /* now does target type exist */
3853         for( x = 0 ; target_types[x] ; x++ ){
3854                 if( 0 == strcmp( cp, target_types[x]->name ) ){
3855                         /* found */
3856                         break;
3857                 }
3858         }
3859         if( target_types[x] == NULL ){
3860                 Jim_SetResult_sprintf( goi->interp, "Unknown target type %s, try one of ", cp );
3861                 for( x = 0 ; target_types[x] ; x++ ){
3862                         if( target_types[x+1] ){
3863                                 Jim_AppendStrings( goi->interp,
3864                                                                    Jim_GetResult(goi->interp),
3865                                                                    target_types[x]->name,
3866                                                                    ", ", NULL);
3867                         } else {
3868                                 Jim_AppendStrings( goi->interp,
3869                                                                    Jim_GetResult(goi->interp),
3870                                                                    " or ",
3871                                                                    target_types[x]->name,NULL );
3872                         }
3873                 }
3874                 return JIM_ERR;
3875         }
3876
3877
3878         /* Create it */
3879         target = calloc(1,sizeof(target_t));
3880         /* set target number */
3881         target->target_number = new_target_number();
3882
3883         /* allocate memory for each unique target type */
3884         target->type = (target_type_t*)calloc(1,sizeof(target_type_t));
3885
3886         memcpy( target->type, target_types[x], sizeof(target_type_t));
3887
3888         /* will be set by "-endian" */
3889         target->endianness = TARGET_ENDIAN_UNKNOWN;
3890
3891         target->working_area        = 0x0;
3892         target->working_area_size   = 0x0;
3893         target->working_areas       = NULL;
3894         target->backup_working_area = 0;
3895
3896         target->state               = TARGET_UNKNOWN;
3897         target->debug_reason        = DBG_REASON_UNDEFINED;
3898         target->reg_cache           = NULL;
3899         target->breakpoints         = NULL;
3900         target->watchpoints         = NULL;
3901         target->next                = NULL;
3902         target->arch_info           = NULL;
3903
3904         /* initialize trace information */
3905         target->trace_info = malloc(sizeof(trace_t));
3906         target->trace_info->num_trace_points         = 0;
3907         target->trace_info->trace_points_size        = 0;
3908         target->trace_info->trace_points             = NULL;
3909         target->trace_info->trace_history_size       = 0;
3910         target->trace_info->trace_history            = NULL;
3911         target->trace_info->trace_history_pos        = 0;
3912         target->trace_info->trace_history_overflowed = 0;
3913
3914         target->dbgmsg          = NULL;
3915         target->dbg_msg_enabled = 0;
3916
3917         target->endianness = TARGET_ENDIAN_UNKNOWN;
3918
3919         /* Do the rest as "configure" options */
3920         goi->isconfigure = 1;
3921         e = target_configure( goi, target);
3922         if( e != JIM_OK ){
3923                 free( target->type );
3924                 free( target );
3925                 return e;
3926         }
3927
3928         if( target->endianness == TARGET_ENDIAN_UNKNOWN ){
3929                 /* default endian to little if not specified */
3930                 target->endianness = TARGET_LITTLE_ENDIAN;
3931         }
3932
3933         /* create the target specific commands */
3934         if( target->type->register_commands ){
3935                 (*(target->type->register_commands))( cmd_ctx );
3936         }
3937         if( target->type->target_create ){
3938                 (*(target->type->target_create))( target, goi->interp );
3939         }
3940
3941         /* append to end of list */
3942         {
3943                 target_t **tpp;
3944                 tpp = &(all_targets);
3945                 while( *tpp ){
3946                         tpp = &( (*tpp)->next );
3947                 }
3948                 *tpp = target;
3949         }
3950
3951         cp = Jim_GetString( new_cmd, NULL );
3952         target->cmd_name = strdup(cp);
3953
3954         /* now - create the new target name command */
3955         e = Jim_CreateCommand( goi->interp,
3956                                                    /* name */
3957                                                    cp,
3958                                                    tcl_target_func, /* C function */
3959                                                    target, /* private data */
3960                                                    NULL ); /* no del proc */
3961
3962         (*(target->type->target_create))( target, goi->interp );
3963         return e;
3964 }
3965
3966 static int
3967 jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
3968 {
3969         int x,r,e;
3970         jim_wide w;
3971         struct command_context_s *cmd_ctx;
3972         const char *cp;
3973         target_t *target;
3974         Jim_GetOptInfo goi;
3975         enum tcmd {
3976                 /* TG = target generic */
3977                 TG_CMD_CREATE,
3978                 TG_CMD_TYPES,
3979                 TG_CMD_NAMES,
3980                 TG_CMD_CURRENT,
3981                 TG_CMD_NUMBER,
3982                 TG_CMD_COUNT,
3983         };
3984         const char *target_cmds[] = {
3985                 "create", "types", "names", "current", "number",
3986                 "count",
3987                 NULL // terminate
3988         };
3989
3990         LOG_DEBUG("Target command params:");
3991         LOG_DEBUG(Jim_Debug_ArgvString( interp, argc, argv) );
3992
3993         cmd_ctx = Jim_GetAssocData( interp, "context" );
3994
3995         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3996
3997         if( goi.argc == 0 ){
3998                 Jim_WrongNumArgs(interp, 1, argv, "missing: command ...");
3999                 return JIM_ERR;
4000         }
4001
4002         /* is this old syntax? */
4003         /* To determine: We have to peek at argv[0]*/
4004         cp = Jim_GetString( goi.argv[0], NULL );
4005         for( x = 0 ; target_types[x] ; x++ ){
4006                 if( 0 == strcmp(cp,target_types[x]->name) ){
4007                         break;
4008                 }
4009         }
4010         if( target_types[x] ){
4011                 /* YES IT IS OLD SYNTAX */
4012                 Jim_Obj *new_argv[10];
4013                 int      new_argc;
4014
4015                 /* target_old_syntax
4016                  *
4017                  * argv[0] typename (above)
4018                  * argv[1] endian
4019                  * argv[2] reset method, deprecated/ignored
4020                  * argv[3] = old param
4021                  * argv[4] = old param
4022                  *
4023                  * We will combine all "old params" into a single param.
4024                  * Then later, split them again.
4025                  */
4026                 if( argc < 4 ){
4027                         Jim_WrongNumArgs( interp, 1, argv, "[OLDSYNTAX] ?TYPE? ?ENDIAN? ?RESET? ?old-params?");
4028                         return JIM_ERR;
4029                 }
4030                 /* the command */
4031                 new_argv[0] = argv[0];
4032                 new_argv[1] = Jim_NewStringObj( interp, "create", -1 );
4033                 {
4034                         char buf[ 30 ];
4035                         sprintf( buf, "target%d", new_target_number() );
4036                         new_argv[2] = Jim_NewStringObj( interp, buf , -1 );
4037                 }
4038                 new_argv[3] = goi.argv[0]; /* typename */
4039                 new_argv[4] = Jim_NewStringObj( interp, "-endian", -1 );
4040                 new_argv[5] = goi.argv[1];
4041                 new_argv[6] = Jim_NewStringObj( interp, "-chain-position", -1 );
4042                 new_argv[7] = goi.argv[2];
4043                 new_argv[8] = Jim_NewStringObj( interp, "-variant", -1 );
4044                 new_argv[9] = goi.argv[3];
4045                 new_argc = 10;
4046                 /*
4047                  * new arg syntax:
4048                  *   argv[0] = command
4049                  *   argv[1] = create
4050                  *   argv[2] = cmdname
4051                  *   argv[3] = typename
4052                  *   argv[4] = **FIRST** "configure" option.
4053                  *
4054                  * Here, we make them:
4055                  *
4056                  *   argv[4] = -endian
4057                  *   argv[5] = little
4058                  *   argv[6] = -position
4059                  *   argv[7] = NUMBER
4060                  *   argv[8] = -variant
4061                  *   argv[9] = "somestring"
4062                  */
4063
4064                 /* don't let these be released */
4065                 for( x = 0 ; x < new_argc ; x++ ){
4066                         Jim_IncrRefCount( new_argv[x]);
4067                 }
4068                 /* call our self */
4069                 LOG_DEBUG("Target OLD SYNTAX - converted to new syntax");
4070
4071                 r = jim_target( goi.interp, new_argc, new_argv );
4072
4073                 /* release? these items */
4074                 for( x = 0 ; x < new_argc ; x++ ){
4075                         Jim_DecrRefCount( interp, new_argv[x] );
4076                 }
4077                 return r;
4078         }
4079
4080         //Jim_GetOpt_Debug( &goi );
4081         r = Jim_GetOpt_Enum( &goi, target_cmds, &x   );
4082         if( r != JIM_OK ){
4083                 return r;
4084         }
4085
4086         switch(x){
4087         default:
4088                 Jim_Panic(goi.interp,"Why am I here?");
4089                 return JIM_ERR;
4090         case TG_CMD_CURRENT:
4091                 if( goi.argc != 0 ){
4092                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters");
4093                         return JIM_ERR;
4094                 }
4095                 Jim_SetResultString( goi.interp, get_current_target( cmd_ctx )->cmd_name, -1 );
4096                 return JIM_OK;
4097         case TG_CMD_TYPES:
4098                 if( goi.argc != 0 ){
4099                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
4100                         return JIM_ERR;
4101                 }
4102                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
4103                 for( x = 0 ; target_types[x] ; x++ ){
4104                         Jim_ListAppendElement( goi.interp,
4105                                                                    Jim_GetResult(goi.interp),
4106                                                                    Jim_NewStringObj( goi.interp, target_types[x]->name, -1 ) );
4107                 }
4108                 return JIM_OK;
4109         case TG_CMD_NAMES:
4110                 if( goi.argc != 0 ){
4111                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
4112                         return JIM_ERR;
4113                 }
4114                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
4115                 target = all_targets;
4116                 while( target ){
4117                         Jim_ListAppendElement( goi.interp,
4118                                                                    Jim_GetResult(goi.interp),
4119                                                                    Jim_NewStringObj( goi.interp, target->cmd_name, -1 ) );
4120                         target = target->next;
4121                 }
4122                 return JIM_OK;
4123         case TG_CMD_CREATE:
4124                 if( goi.argc < 3 ){
4125                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "?name  ... config options ...");
4126                         return JIM_ERR;
4127                 }
4128                 return target_create( &goi );
4129                 break;
4130         case TG_CMD_NUMBER:
4131                 if( goi.argc != 1 ){
4132                         Jim_SetResult_sprintf( goi.interp, "expected: target number ?NUMBER?");
4133                         return JIM_ERR;
4134                 }
4135                 e = Jim_GetOpt_Wide( &goi, &w );
4136                 if( e != JIM_OK ){
4137                         return JIM_ERR;
4138                 }
4139                 {
4140                         target_t *t;
4141                         t = get_target_by_num(w);
4142                         if( t == NULL ){
4143                                 Jim_SetResult_sprintf( goi.interp,"Target: number %d does not exist", (int)(w));
4144                                 return JIM_ERR;
4145                         }
4146                         Jim_SetResultString( goi.interp, t->cmd_name, -1 );
4147                         return JIM_OK;
4148                 }
4149         case TG_CMD_COUNT:
4150                 if( goi.argc != 0 ){
4151                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "<no parameters>");
4152                         return JIM_ERR;
4153                 }
4154                 Jim_SetResult( goi.interp,
4155                                            Jim_NewIntObj( goi.interp, max_target_number()));
4156                 return JIM_OK;
4157         }
4158
4159         return JIM_ERR;
4160 }