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