1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
27 #include "configuration.h"
28 #include "binarybuffer.h"
34 #include <sys/types.h>
42 #include <time_support.h>
44 int cli_target_callback_event_handler(struct target_s *target, enum target_event event, void *priv);
46 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
47 int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
48 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
50 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
51 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
52 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
54 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
55 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
56 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
57 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
58 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
59 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
60 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
61 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
62 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
63 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
64 int handle_load_binary_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
65 int handle_dump_binary_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
66 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
67 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
68 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
69 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
73 extern target_type_t arm7tdmi_target;
74 extern target_type_t arm720t_target;
75 extern target_type_t arm9tdmi_target;
76 extern target_type_t arm920t_target;
78 target_type_t *target_types[] =
87 target_t *targets = NULL;
88 target_event_callback_t *target_event_callbacks = NULL;
89 target_timer_callback_t *target_timer_callbacks = NULL;
91 char *target_state_strings[] =
100 char *target_debug_reason_strings[] =
102 "debug request", "breakpoint", "watchpoint",
103 "watchpoint and breakpoint", "single step",
107 char *target_endianess_strings[] =
113 enum daemon_startup_mode startup_mode = DAEMON_ATTACH;
115 static int target_continous_poll = 1;
117 /* read a u32 from a buffer in target memory endianness */
118 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
120 if (target->endianness == TARGET_LITTLE_ENDIAN)
121 return le_to_h_u32(buffer);
123 return be_to_h_u32(buffer);
126 /* read a u16 from a buffer in target memory endianness */
127 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
129 if (target->endianness == TARGET_LITTLE_ENDIAN)
130 return le_to_h_u16(buffer);
132 return be_to_h_u16(buffer);
135 /* write a u32 to a buffer in target memory endianness */
136 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
138 if (target->endianness == TARGET_LITTLE_ENDIAN)
139 h_u32_to_le(buffer, value);
141 h_u32_to_be(buffer, value);
144 /* write a u16 to a buffer in target memory endianness */
145 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
147 if (target->endianness == TARGET_LITTLE_ENDIAN)
148 h_u16_to_le(buffer, value);
150 h_u16_to_be(buffer, value);
153 /* returns a pointer to the n-th configured target */
154 target_t* get_target_by_num(int num)
156 target_t *target = targets;
163 target = target->next;
170 int get_num_by_target(target_t *query_target)
172 target_t *target = targets;
177 if (target == query_target)
179 target = target->next;
186 target_t* get_current_target(command_context_t *cmd_ctx)
188 target_t *target = get_target_by_num(cmd_ctx->current_target);
192 ERROR("BUG: current_target out of bounds");
199 /* Process target initialization, when target entered debug out of reset
200 * the handler is unregistered at the end of this function, so it's only called once
202 int target_init_handler(struct target_s *target, enum target_event event, void *priv)
205 struct command_context_s *cmd_ctx = priv;
207 if ((event == TARGET_EVENT_HALTED) && (target->reset_script))
209 script = fopen(target->reset_script, "r");
212 ERROR("couldn't open script file %s", target->reset_script);
216 INFO("executing reset script '%s'", target->reset_script);
217 command_run_file(cmd_ctx, script, COMMAND_EXEC);
220 jtag_execute_queue();
222 target_unregister_event_callback(target_init_handler, priv);
228 int target_run_and_halt_handler(void *priv)
230 target_t *target = priv;
232 target->type->halt(target);
237 int target_process_reset(struct command_context_s *cmd_ctx)
239 int retval = ERROR_OK;
245 target->type->assert_reset(target);
246 target = target->next;
248 jtag_execute_queue();
250 /* request target halt if necessary, and schedule further action */
254 switch (target->reset_mode)
257 /* nothing to do if target just wants to be run */
259 case RESET_RUN_AND_HALT:
261 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
263 case RESET_RUN_AND_INIT:
265 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
266 target_register_event_callback(target_init_handler, cmd_ctx);
269 target->type->halt(target);
272 target->type->halt(target);
273 target_register_event_callback(target_init_handler, cmd_ctx);
276 ERROR("BUG: unknown target->reset_mode");
278 target = target->next;
284 target->type->deassert_reset(target);
285 target = target->next;
287 jtag_execute_queue();
292 int target_init(struct command_context_s *cmd_ctx)
294 target_t *target = targets;
298 if (target->type->init_target(cmd_ctx, target) != ERROR_OK)
300 ERROR("target '%s' init failed", target->type->name);
303 target = target->next;
308 target_register_user_commands(cmd_ctx);
309 target_register_timer_callback(handle_target, 100, 1, NULL);
312 if (startup_mode == DAEMON_RESET)
313 target_process_reset(cmd_ctx);
318 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
320 target_event_callback_t **callbacks_p = &target_event_callbacks;
322 if (callback == NULL)
324 return ERROR_INVALID_ARGUMENTS;
329 while ((*callbacks_p)->next)
330 callbacks_p = &((*callbacks_p)->next);
331 callbacks_p = &((*callbacks_p)->next);
334 (*callbacks_p) = malloc(sizeof(target_event_callback_t));
335 (*callbacks_p)->callback = callback;
336 (*callbacks_p)->priv = priv;
337 (*callbacks_p)->next = NULL;
342 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
344 target_timer_callback_t **callbacks_p = &target_timer_callbacks;
347 if (callback == NULL)
349 return ERROR_INVALID_ARGUMENTS;
354 while ((*callbacks_p)->next)
355 callbacks_p = &((*callbacks_p)->next);
356 callbacks_p = &((*callbacks_p)->next);
359 (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
360 (*callbacks_p)->callback = callback;
361 (*callbacks_p)->periodic = periodic;
362 (*callbacks_p)->time_ms = time_ms;
364 gettimeofday(&now, NULL);
365 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
366 time_ms -= (time_ms % 1000);
367 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
368 if ((*callbacks_p)->when.tv_usec > 1000000)
370 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
371 (*callbacks_p)->when.tv_sec += 1;
374 (*callbacks_p)->priv = priv;
375 (*callbacks_p)->next = NULL;
380 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
382 target_event_callback_t **p = &target_event_callbacks;
383 target_event_callback_t *c = target_event_callbacks;
385 if (callback == NULL)
387 return ERROR_INVALID_ARGUMENTS;
392 target_event_callback_t *next = c->next;
393 if ((c->callback == callback) && (c->priv == priv))
407 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
409 target_timer_callback_t **p = &target_timer_callbacks;
410 target_timer_callback_t *c = target_timer_callbacks;
412 if (callback == NULL)
414 return ERROR_INVALID_ARGUMENTS;
419 target_timer_callback_t *next = c->next;
420 if ((c->callback == callback) && (c->priv == priv))
434 int target_call_event_callbacks(target_t *target, enum target_event event)
436 target_event_callback_t *callback = target_event_callbacks;
437 target_event_callback_t *next_callback;
439 DEBUG("target event %i", event);
443 next_callback = callback->next;
444 callback->callback(target, event, callback->priv);
445 callback = next_callback;
451 int target_call_timer_callbacks()
453 target_timer_callback_t *callback = target_timer_callbacks;
454 target_timer_callback_t *next_callback;
457 gettimeofday(&now, NULL);
461 next_callback = callback->next;
463 if (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
464 || (now.tv_sec > callback->when.tv_sec))
466 callback->callback(callback->priv);
467 if (callback->periodic)
469 int time_ms = callback->time_ms;
470 callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
471 time_ms -= (time_ms % 1000);
472 callback->when.tv_sec = now.tv_sec + time_ms / 1000;
473 if (callback->when.tv_usec > 1000000)
475 callback->when.tv_usec = callback->when.tv_usec - 1000000;
476 callback->when.tv_sec += 1;
480 target_unregister_timer_callback(callback->callback, callback->priv);
483 callback = next_callback;
489 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
491 working_area_t *c = target->working_areas;
492 working_area_t *new_wa = NULL;
494 /* only allocate multiples of 4 byte */
497 ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
498 size = CEIL(size, 4);
501 /* see if there's already a matching working area */
504 if ((c->free) && (c->size == size))
512 /* if not, allocate a new one */
515 working_area_t **p = &target->working_areas;
516 u32 first_free = target->working_area;
517 u32 free_size = target->working_area_size;
519 DEBUG("allocating new working area");
521 c = target->working_areas;
524 first_free += c->size;
525 free_size -= c->size;
530 if (free_size < size)
532 WARNING("not enough working area available");
533 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
536 new_wa = malloc(sizeof(working_area_t));
539 new_wa->address = first_free;
541 if (target->backup_working_area)
543 new_wa->backup = malloc(new_wa->size);
544 target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup);
548 new_wa->backup = NULL;
551 /* put new entry in list */
555 /* mark as used, and return the new (reused) area */
565 int target_free_working_area(struct target_s *target, working_area_t *area)
570 if (target->backup_working_area)
571 target->type->write_memory(target, area->address, 4, area->size / 4, area->backup);
575 /* mark user pointer invalid */
582 int target_free_all_working_areas(struct target_s *target)
584 working_area_t *c = target->working_areas;
588 working_area_t *next = c->next;
589 target_free_working_area(target, c);
599 target->working_areas = NULL;
604 int target_register_commands(struct command_context_s *cmd_ctx)
606 register_command(cmd_ctx, NULL, "target", handle_target_command, COMMAND_CONFIG, NULL);
607 register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL);
608 register_command(cmd_ctx, NULL, "daemon_startup", handle_daemon_startup_command, COMMAND_CONFIG, NULL);
609 register_command(cmd_ctx, NULL, "target_script", handle_target_script_command, COMMAND_CONFIG, NULL);
610 register_command(cmd_ctx, NULL, "run_and_halt_time", handle_run_and_halt_time_command, COMMAND_CONFIG, NULL);
611 register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_CONFIG, NULL);
616 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
620 DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
622 /* handle writes of less than 4 byte */
625 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
629 /* handle unaligned head bytes */
632 int unaligned = 4 - (address % 4);
634 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
638 address += unaligned;
642 /* handle aligned words */
645 int aligned = size - (size % 4);
647 /* use bulk writes above a certain limit. This may have to be changed */
650 if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
655 if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
664 /* handle tail writes of less than 4 bytes */
667 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
674 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
678 DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
680 /* handle reads of less than 4 byte */
683 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
687 /* handle unaligned head bytes */
690 int unaligned = 4 - (address % 4);
692 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
695 address += unaligned;
699 /* handle aligned words */
702 int aligned = size - (size % 4);
704 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
711 /* handle tail writes of less than 4 bytes */
714 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
721 int target_register_user_commands(struct command_context_s *cmd_ctx)
723 register_command(cmd_ctx, NULL, "reg", handle_reg_command, COMMAND_EXEC, NULL);
724 register_command(cmd_ctx, NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
725 register_command(cmd_ctx, NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt");
726 register_command(cmd_ctx, NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
727 register_command(cmd_ctx, NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
728 register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction");
729 register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init|run_and_halt|run_and_init]");
730 register_command(cmd_ctx, NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
732 register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
733 register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
734 register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
736 register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value>");
737 register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value>");
738 register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value>");
740 register_command(cmd_ctx, NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
741 register_command(cmd_ctx, NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
742 register_command(cmd_ctx, NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
743 register_command(cmd_ctx, NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
745 register_command(cmd_ctx, NULL, "load_binary", handle_load_binary_command, COMMAND_EXEC, "load binary <file> <address>");
746 register_command(cmd_ctx, NULL, "dump_binary", handle_dump_binary_command, COMMAND_EXEC, "dump binary <file> <address> <size>");
751 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
753 target_t *target = targets;
758 int num = strtoul(args[0], NULL, 0);
763 target = target->next;
767 cmd_ctx->current_target = num;
769 command_print(cmd_ctx, "%i is out of bounds, only %i targets are configured", num, count);
776 command_print(cmd_ctx, "%i: %s (%s), state: %s", count++, target->type->name, target_endianess_strings[target->endianness], target_state_strings[target->state]);
777 target = target->next;
783 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
790 ERROR("target command requires at least three arguments: <type> <endianess> <reset_mode>");
794 /* search for the specified target */
795 if (args[0] && (args[0][0] != 0))
797 for (i = 0; target_types[i]; i++)
799 if (strcmp(args[0], target_types[i]->name) == 0)
801 target_t **last_target_p = &targets;
803 /* register target specific commands */
804 if (target_types[i]->register_commands(cmd_ctx) != ERROR_OK)
806 ERROR("couldn't register '%s' commands", args[0]);
812 while ((*last_target_p)->next)
813 last_target_p = &((*last_target_p)->next);
814 last_target_p = &((*last_target_p)->next);
817 *last_target_p = malloc(sizeof(target_t));
819 (*last_target_p)->type = target_types[i];
821 if (strcmp(args[1], "big") == 0)
822 (*last_target_p)->endianness = TARGET_BIG_ENDIAN;
823 else if (strcmp(args[1], "little") == 0)
824 (*last_target_p)->endianness = TARGET_LITTLE_ENDIAN;
827 ERROR("endianness must be either 'little' or 'big', not '%s'", args[1]);
831 /* what to do on a target reset */
832 if (strcmp(args[2], "reset_halt") == 0)
833 (*last_target_p)->reset_mode = RESET_HALT;
834 else if (strcmp(args[2], "reset_run") == 0)
835 (*last_target_p)->reset_mode = RESET_RUN;
836 else if (strcmp(args[2], "reset_init") == 0)
837 (*last_target_p)->reset_mode = RESET_INIT;
838 else if (strcmp(args[2], "run_and_halt") == 0)
839 (*last_target_p)->reset_mode = RESET_RUN_AND_HALT;
840 else if (strcmp(args[2], "run_and_init") == 0)
841 (*last_target_p)->reset_mode = RESET_RUN_AND_INIT;
844 ERROR("unknown target startup mode %s", args[2]);
847 (*last_target_p)->run_and_halt_time = 1000; /* default 1s */
849 (*last_target_p)->reset_script = NULL;
850 (*last_target_p)->post_halt_script = NULL;
851 (*last_target_p)->pre_resume_script = NULL;
853 (*last_target_p)->working_area = 0x0;
854 (*last_target_p)->working_area_size = 0x0;
855 (*last_target_p)->working_areas = NULL;
856 (*last_target_p)->backup_working_area = 0;
858 (*last_target_p)->endianness = TARGET_LITTLE_ENDIAN;
859 (*last_target_p)->state = TARGET_UNKNOWN;
860 (*last_target_p)->reg_cache = NULL;
861 (*last_target_p)->breakpoints = NULL;
862 (*last_target_p)->watchpoints = NULL;
863 (*last_target_p)->next = NULL;
864 (*last_target_p)->arch_info = NULL;
866 (*last_target_p)->type->target_command(cmd_ctx, cmd, args, argc, *last_target_p);
874 /* no matching target found */
877 ERROR("target '%s' not found", args[0]);
884 /* usage: target_script <target#> <event> <script_file> */
885 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
887 target_t *target = NULL;
891 ERROR("incomplete target_script command");
895 target = get_target_by_num(strtoul(args[0], NULL, 0));
899 ERROR("target number '%s' not defined", args[0]);
903 if (strcmp(args[1], "reset") == 0)
905 if (target->reset_script)
906 free(target->reset_script);
907 target->reset_script = strdup(args[2]);
909 else if (strcmp(args[1], "post_halt") == 0)
911 if (target->post_halt_script)
912 free(target->post_halt_script);
913 target->post_halt_script = strdup(args[2]);
915 else if (strcmp(args[1], "pre_resume") == 0)
917 if (target->pre_resume_script)
918 free(target->pre_resume_script);
919 target->pre_resume_script = strdup(args[2]);
923 ERROR("unknown event type: '%s", args[1]);
930 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
932 target_t *target = NULL;
936 ERROR("incomplete run_and_halt_time command");
940 target = get_target_by_num(strtoul(args[0], NULL, 0));
944 ERROR("target number '%s' not defined", args[0]);
948 target->run_and_halt_time = strtoul(args[1], NULL, 0);
953 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
955 target_t *target = NULL;
959 ERROR("incomplete working_area command. usage: working_area <target#> <address> <size> <'backup'|'nobackup'>");
963 target = get_target_by_num(strtoul(args[0], NULL, 0));
967 ERROR("target number '%s' not defined", args[0]);
971 target->working_area = strtoul(args[1], NULL, 0);
972 target->working_area_size = strtoul(args[2], NULL, 0);
974 if (strcmp(args[3], "backup") == 0)
976 target->backup_working_area = 1;
978 else if (strcmp(args[3], "nobackup") == 0)
980 target->backup_working_area = 0;
984 ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
992 /* process target state changes */
993 int handle_target(void *priv)
996 target_t *target = targets;
1000 /* only poll if target isn't already halted */
1001 if (target->state != TARGET_HALTED)
1003 if (target_continous_poll)
1004 if ((retval = target->type->poll(target)) < 0)
1006 ERROR("couldn't poll target, exiting");
1011 target = target->next;
1017 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1026 target = get_current_target(cmd_ctx);
1028 /* list all available registers for the current target */
1031 reg_cache_t *cache = target->reg_cache;
1037 for (i = 0; i < cache->num_regs; i++)
1039 value = buf_to_char(cache->reg_list[i].value, cache->reg_list[i].size);
1040 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);
1043 cache = cache->next;
1049 /* access a single register by its ordinal number */
1050 if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1052 int num = strtoul(args[0], NULL, 0);
1053 reg_cache_t *cache = target->reg_cache;
1059 for (i = 0; i < cache->num_regs; i++)
1063 reg = &cache->reg_list[i];
1069 cache = cache->next;
1074 command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1077 } else /* access a single register by its name */
1079 reg = register_get_by_name(target->reg_cache, args[0], 1);
1083 command_print(cmd_ctx, "register %s not found in current target", args[0]);
1088 /* display a register */
1089 if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1091 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1094 if (reg->valid == 0)
1096 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1097 if (arch_type == NULL)
1099 ERROR("BUG: encountered unregistered arch type");
1102 arch_type->get(reg);
1104 value = buf_to_char(reg->value, reg->size);
1105 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1110 /* set register value */
1113 u32 new_value = strtoul(args[1], NULL, 0);
1114 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1115 if (arch_type == NULL)
1117 ERROR("BUG: encountered unregistered arch type");
1121 arch_type->set(reg, new_value);
1122 value = buf_to_char(reg->value, reg->size);
1123 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1129 command_print(cmd_ctx, "usage: reg <#|name> [value]");
1134 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1136 target_t *target = get_current_target(cmd_ctx);
1141 command_print(cmd_ctx, "target state: %s", target_state_strings[target->type->poll(target)]);
1142 if (target->state == TARGET_HALTED)
1144 target->type->arch_state(target, buffer, 512);
1146 command_print(cmd_ctx, "%s", buffer);
1151 if (strcmp(args[0], "on") == 0)
1153 target_continous_poll = 1;
1155 else if (strcmp(args[0], "off") == 0)
1157 target_continous_poll = 0;
1165 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1167 target_t *target = get_current_target(cmd_ctx);
1168 struct timeval timeout, now;
1170 gettimeofday(&timeout, NULL);
1171 timeval_add_time(&timeout, 5, 0);
1173 command_print(cmd_ctx, "waiting for target halted...");
1175 while(target->type->poll(target))
1177 if (target->state == TARGET_HALTED)
1179 command_print(cmd_ctx, "target halted");
1182 target_call_timer_callbacks();
1184 gettimeofday(&now, NULL);
1185 if ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec))
1187 command_print(cmd_ctx, "timed out while waiting for target halt");
1188 ERROR("timed out while waiting for target halt");
1196 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1199 target_t *target = get_current_target(cmd_ctx);
1203 command_print(cmd_ctx, "requesting target halt...");
1205 if ((retval = target->type->halt(target)) != ERROR_OK)
1209 case ERROR_TARGET_ALREADY_HALTED:
1210 command_print(cmd_ctx, "target already halted");
1212 case ERROR_TARGET_TIMEOUT:
1213 command_print(cmd_ctx, "target timed out... shutting down");
1216 command_print(cmd_ctx, "unknown error... shutting down");
1225 /* what to do on daemon startup */
1226 int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1230 if (strcmp(args[0], "attach") == 0)
1232 startup_mode = DAEMON_ATTACH;
1235 else if (strcmp(args[0], "reset") == 0)
1237 startup_mode = DAEMON_RESET;
1242 WARNING("invalid daemon_startup configuration directive: %s", args[0]);
1247 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1249 target_t *target = get_current_target(cmd_ctx);
1252 command_print(cmd_ctx, "requesting target halt and executing a soft reset");
1254 if ((retval = target->type->soft_reset_halt(target)) != ERROR_OK)
1258 case ERROR_TARGET_TIMEOUT:
1259 command_print(cmd_ctx, "target timed out... shutting down");
1262 command_print(cmd_ctx, "unknown error... shutting down");
1270 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1272 target_t *target = get_current_target(cmd_ctx);
1273 enum target_reset_mode reset_mode = RESET_RUN;
1279 if (strcmp("run", args[0]) == 0)
1280 reset_mode = RESET_RUN;
1281 else if (strcmp("halt", args[0]) == 0)
1282 reset_mode = RESET_HALT;
1283 else if (strcmp("init", args[0]) == 0)
1284 reset_mode = RESET_INIT;
1285 else if (strcmp("run_and_halt", args[0]) == 0)
1287 reset_mode = RESET_RUN_AND_HALT;
1290 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1293 else if (strcmp("run_and_init", args[0]) == 0)
1295 reset_mode = RESET_RUN_AND_INIT;
1298 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1303 command_print(cmd_ctx, "usage: reset ['run', 'halt', 'init', 'run_and_halt', 'run_and_init]");
1306 target->reset_mode = reset_mode;
1309 target_process_reset(cmd_ctx);
1314 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1317 target_t *target = get_current_target(cmd_ctx);
1322 retval = target->type->resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1324 retval = target->type->resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1327 command_print(cmd_ctx, "usage: resume [address]");
1331 if (retval != ERROR_OK)
1335 case ERROR_TARGET_NOT_HALTED:
1336 command_print(cmd_ctx, "target not halted");
1339 command_print(cmd_ctx, "unknown error... shutting down");
1347 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1349 target_t *target = get_current_target(cmd_ctx);
1354 target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1357 target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1362 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1375 target_t *target = get_current_target(cmd_ctx);
1381 count = strtoul(args[1], NULL, 0);
1383 address = strtoul(args[0], NULL, 0);
1401 buffer = calloc(count, size);
1402 if ((retval = target->type->read_memory(target, address, size, count, buffer)) != ERROR_OK)
1406 case ERROR_TARGET_UNALIGNED_ACCESS:
1407 command_print(cmd_ctx, "error: address not aligned");
1409 case ERROR_TARGET_NOT_HALTED:
1410 command_print(cmd_ctx, "error: target must be halted for memory accesses");
1412 case ERROR_TARGET_DATA_ABORT:
1413 command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
1416 command_print(cmd_ctx, "error: unknown error");
1423 for (i = 0; i < count; i++)
1426 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1431 output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", ((u32*)buffer)[i]);
1434 output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", ((u16*)buffer)[i]);
1437 output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", ((u8*)buffer)[i]);
1441 if ((i%8 == 7) || (i == count - 1))
1443 command_print(cmd_ctx, output);
1453 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1458 target_t *target = get_current_target(cmd_ctx);
1463 address = strtoul(args[0], NULL, 0);
1464 value = strtoul(args[1], NULL, 0);
1469 retval = target->type->write_memory(target, address, 4, 1, (u8*)&value);
1472 retval = target->type->write_memory(target, address, 2, 1, (u8*)&value);
1475 retval = target->type->write_memory(target, address, 1, 1, (u8*)&value);
1483 case ERROR_TARGET_UNALIGNED_ACCESS:
1484 command_print(cmd_ctx, "error: address not aligned");
1486 case ERROR_TARGET_DATA_ABORT:
1487 command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
1489 case ERROR_TARGET_NOT_HALTED:
1490 command_print(cmd_ctx, "error: target must be halted for memory accesses");
1495 command_print(cmd_ctx, "error: unknown error");
1503 int handle_load_binary_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1507 struct stat binary_stat;
1513 struct timeval start, end, duration;
1515 target_t *target = get_current_target(cmd_ctx);
1519 command_print(cmd_ctx, "usage: load_binary <filename> <address>");
1523 address = strtoul(args[1], NULL, 0);
1525 if (stat(args[0], &binary_stat) == -1)
1527 ERROR("couldn't stat() %s: %s", args[0], strerror(errno));
1528 command_print(cmd_ctx, "error accessing file %s", args[0]);
1532 if (!(binary = fopen(args[0], "rb")))
1534 ERROR("couldn't open %s: %s", args[0], strerror(errno));
1535 command_print(cmd_ctx, "error accessing file %s", args[0]);
1539 buffer = malloc(128 * 1024);
1541 gettimeofday(&start, NULL);
1543 binary_size = binary_stat.st_size;
1544 while (binary_size > 0)
1546 buf_cnt = fread(buffer, 1, 128*1024, binary);
1547 target_write_buffer(target, address, buf_cnt, buffer);
1549 binary_size -= buf_cnt;
1552 gettimeofday(&end, NULL);
1556 timeval_subtract(&duration, &end, &start);
1557 command_print(cmd_ctx, "downloaded %lli byte in %is %ius", (long long) binary_stat.st_size, duration.tv_sec, duration.tv_usec);
1565 int handle_dump_binary_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1572 target_t *target = get_current_target(cmd_ctx);
1576 command_print(cmd_ctx, "usage: dump_binary <filename> <address> <size>");
1580 address = strtoul(args[1], NULL, 0);
1581 size = strtoul(args[2], NULL, 0);
1583 if (!(binary = fopen(args[0], "wb")))
1585 ERROR("couldn't open %s for writing: %s", args[0], strerror(errno));
1586 command_print(cmd_ctx, "error accessing file %s", args[0]);
1590 if ((address & 3) || (size & 3))
1592 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
1598 u32 this_run_size = (size > 560) ? 560 : size;
1599 target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
1600 fwrite(buffer, 1, this_run_size, binary);
1601 size -= this_run_size;
1602 address += this_run_size;
1611 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1614 target_t *target = get_current_target(cmd_ctx);
1618 breakpoint_t *breakpoint = target->breakpoints;
1622 if (breakpoint->type == BKPT_SOFT)
1624 char* buf = buf_to_char(breakpoint->orig_instr, breakpoint->length);
1625 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
1630 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
1632 breakpoint = breakpoint->next;
1640 length = strtoul(args[1], NULL, 0);
1643 if (strcmp(args[2], "hw") == 0)
1646 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
1650 case ERROR_TARGET_NOT_HALTED:
1651 command_print(cmd_ctx, "target must be halted to set breakpoints");
1653 case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
1654 command_print(cmd_ctx, "no more breakpoints available");
1657 command_print(cmd_ctx, "unknown error, breakpoint not set");
1666 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1668 target_t *target = get_current_target(cmd_ctx);
1671 breakpoint_remove(target, strtoul(args[0], NULL, 0));
1676 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1678 target_t *target = get_current_target(cmd_ctx);
1682 watchpoint_t *watchpoint = target->watchpoints;
1686 command_print(cmd_ctx, "address: 0x%8.8x, mask: 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);
1687 watchpoint = watchpoint->next;
1692 enum watchpoint_rw type = WPT_ACCESS;
1693 u32 data_value = 0x0;
1694 u32 data_mask = 0xffffffff;
1710 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
1716 data_value = strtoul(args[3], NULL, 0);
1720 data_mask = strtoul(args[4], NULL, 0);
1722 watchpoint_add(target, strtoul(args[0], NULL, 0), strtoul(args[1], NULL, 0), type, data_value, data_mask);
1726 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
1732 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1734 target_t *target = get_current_target(cmd_ctx);
1737 watchpoint_remove(target, strtoul(args[0], NULL, 0));