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 ***************************************************************************/
24 #include "replacements.h"
28 #include "configuration.h"
29 #include "binarybuffer.h"
35 #include <sys/types.h>
43 #include <time_support.h>
47 int cli_target_callback_event_handler(struct target_s *target, enum target_event event, void *priv);
49 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
50 int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
51 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
53 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
54 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
55 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
57 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
58 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
59 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
60 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
61 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
62 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
63 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
64 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
65 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
66 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
67 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
68 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
69 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
70 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
71 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
72 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
76 extern target_type_t arm7tdmi_target;
77 extern target_type_t arm720t_target;
78 extern target_type_t arm9tdmi_target;
79 extern target_type_t arm920t_target;
80 extern target_type_t arm966e_target;
81 extern target_type_t arm926ejs_target;
83 target_type_t *target_types[] =
94 target_t *targets = NULL;
95 target_event_callback_t *target_event_callbacks = NULL;
96 target_timer_callback_t *target_timer_callbacks = NULL;
98 char *target_state_strings[] =
107 char *target_debug_reason_strings[] =
109 "debug request", "breakpoint", "watchpoint",
110 "watchpoint and breakpoint", "single step",
114 char *target_endianess_strings[] =
120 enum daemon_startup_mode startup_mode = DAEMON_ATTACH;
122 static int target_continous_poll = 1;
124 /* read a u32 from a buffer in target memory endianness */
125 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
127 if (target->endianness == TARGET_LITTLE_ENDIAN)
128 return le_to_h_u32(buffer);
130 return be_to_h_u32(buffer);
133 /* read a u16 from a buffer in target memory endianness */
134 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
136 if (target->endianness == TARGET_LITTLE_ENDIAN)
137 return le_to_h_u16(buffer);
139 return be_to_h_u16(buffer);
142 /* write a u32 to a buffer in target memory endianness */
143 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
145 if (target->endianness == TARGET_LITTLE_ENDIAN)
146 h_u32_to_le(buffer, value);
148 h_u32_to_be(buffer, value);
151 /* write a u16 to a buffer in target memory endianness */
152 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
154 if (target->endianness == TARGET_LITTLE_ENDIAN)
155 h_u16_to_le(buffer, value);
157 h_u16_to_be(buffer, value);
160 /* returns a pointer to the n-th configured target */
161 target_t* get_target_by_num(int num)
163 target_t *target = targets;
170 target = target->next;
177 int get_num_by_target(target_t *query_target)
179 target_t *target = targets;
184 if (target == query_target)
186 target = target->next;
193 target_t* get_current_target(command_context_t *cmd_ctx)
195 target_t *target = get_target_by_num(cmd_ctx->current_target);
199 ERROR("BUG: current_target out of bounds");
206 /* Process target initialization, when target entered debug out of reset
207 * the handler is unregistered at the end of this function, so it's only called once
209 int target_init_handler(struct target_s *target, enum target_event event, void *priv)
212 struct command_context_s *cmd_ctx = priv;
214 if ((event == TARGET_EVENT_HALTED) && (target->reset_script))
216 target_unregister_event_callback(target_init_handler, priv);
218 script = fopen(target->reset_script, "r");
221 ERROR("couldn't open script file %s", target->reset_script);
225 INFO("executing reset script '%s'", target->reset_script);
226 command_run_file(cmd_ctx, script, COMMAND_EXEC);
229 jtag_execute_queue();
235 int target_run_and_halt_handler(void *priv)
237 target_t *target = priv;
239 target->type->halt(target);
244 int target_process_reset(struct command_context_s *cmd_ctx)
246 int retval = ERROR_OK;
252 target->type->assert_reset(target);
253 target = target->next;
255 jtag_execute_queue();
257 /* request target halt if necessary, and schedule further action */
261 switch (target->reset_mode)
264 /* nothing to do if target just wants to be run */
266 case RESET_RUN_AND_HALT:
268 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
270 case RESET_RUN_AND_INIT:
272 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
273 target_register_event_callback(target_init_handler, cmd_ctx);
276 target->type->halt(target);
279 target->type->halt(target);
280 target_register_event_callback(target_init_handler, cmd_ctx);
283 ERROR("BUG: unknown target->reset_mode");
285 target = target->next;
291 target->type->deassert_reset(target);
292 target = target->next;
294 jtag_execute_queue();
299 int target_init(struct command_context_s *cmd_ctx)
301 target_t *target = targets;
305 if (target->type->init_target(cmd_ctx, target) != ERROR_OK)
307 ERROR("target '%s' init failed", target->type->name);
310 target = target->next;
315 target_register_user_commands(cmd_ctx);
316 target_register_timer_callback(handle_target, 100, 1, NULL);
319 if (startup_mode == DAEMON_RESET)
320 target_process_reset(cmd_ctx);
325 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
327 target_event_callback_t **callbacks_p = &target_event_callbacks;
329 if (callback == NULL)
331 return ERROR_INVALID_ARGUMENTS;
336 while ((*callbacks_p)->next)
337 callbacks_p = &((*callbacks_p)->next);
338 callbacks_p = &((*callbacks_p)->next);
341 (*callbacks_p) = malloc(sizeof(target_event_callback_t));
342 (*callbacks_p)->callback = callback;
343 (*callbacks_p)->priv = priv;
344 (*callbacks_p)->next = NULL;
349 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
351 target_timer_callback_t **callbacks_p = &target_timer_callbacks;
354 if (callback == NULL)
356 return ERROR_INVALID_ARGUMENTS;
361 while ((*callbacks_p)->next)
362 callbacks_p = &((*callbacks_p)->next);
363 callbacks_p = &((*callbacks_p)->next);
366 (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
367 (*callbacks_p)->callback = callback;
368 (*callbacks_p)->periodic = periodic;
369 (*callbacks_p)->time_ms = time_ms;
371 gettimeofday(&now, NULL);
372 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
373 time_ms -= (time_ms % 1000);
374 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
375 if ((*callbacks_p)->when.tv_usec > 1000000)
377 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
378 (*callbacks_p)->when.tv_sec += 1;
381 (*callbacks_p)->priv = priv;
382 (*callbacks_p)->next = NULL;
387 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
389 target_event_callback_t **p = &target_event_callbacks;
390 target_event_callback_t *c = target_event_callbacks;
392 if (callback == NULL)
394 return ERROR_INVALID_ARGUMENTS;
399 target_event_callback_t *next = c->next;
400 if ((c->callback == callback) && (c->priv == priv))
414 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
416 target_timer_callback_t **p = &target_timer_callbacks;
417 target_timer_callback_t *c = target_timer_callbacks;
419 if (callback == NULL)
421 return ERROR_INVALID_ARGUMENTS;
426 target_timer_callback_t *next = c->next;
427 if ((c->callback == callback) && (c->priv == priv))
441 int target_call_event_callbacks(target_t *target, enum target_event event)
443 target_event_callback_t *callback = target_event_callbacks;
444 target_event_callback_t *next_callback;
446 DEBUG("target event %i", event);
450 next_callback = callback->next;
451 callback->callback(target, event, callback->priv);
452 callback = next_callback;
458 int target_call_timer_callbacks()
460 target_timer_callback_t *callback = target_timer_callbacks;
461 target_timer_callback_t *next_callback;
464 gettimeofday(&now, NULL);
468 next_callback = callback->next;
470 if (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
471 || (now.tv_sec > callback->when.tv_sec))
473 callback->callback(callback->priv);
474 if (callback->periodic)
476 int time_ms = callback->time_ms;
477 callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
478 time_ms -= (time_ms % 1000);
479 callback->when.tv_sec = now.tv_sec + time_ms / 1000;
480 if (callback->when.tv_usec > 1000000)
482 callback->when.tv_usec = callback->when.tv_usec - 1000000;
483 callback->when.tv_sec += 1;
487 target_unregister_timer_callback(callback->callback, callback->priv);
490 callback = next_callback;
496 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
498 working_area_t *c = target->working_areas;
499 working_area_t *new_wa = NULL;
501 /* only allocate multiples of 4 byte */
504 ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
505 size = CEIL(size, 4);
508 /* see if there's already a matching working area */
511 if ((c->free) && (c->size == size))
519 /* if not, allocate a new one */
522 working_area_t **p = &target->working_areas;
523 u32 first_free = target->working_area;
524 u32 free_size = target->working_area_size;
526 DEBUG("allocating new working area");
528 c = target->working_areas;
531 first_free += c->size;
532 free_size -= c->size;
537 if (free_size < size)
539 WARNING("not enough working area available");
540 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
543 new_wa = malloc(sizeof(working_area_t));
546 new_wa->address = first_free;
548 if (target->backup_working_area)
550 new_wa->backup = malloc(new_wa->size);
551 target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup);
555 new_wa->backup = NULL;
558 /* put new entry in list */
562 /* mark as used, and return the new (reused) area */
572 int target_free_working_area(struct target_s *target, working_area_t *area)
577 if (target->backup_working_area)
578 target->type->write_memory(target, area->address, 4, area->size / 4, area->backup);
582 /* mark user pointer invalid */
589 int target_free_all_working_areas(struct target_s *target)
591 working_area_t *c = target->working_areas;
595 working_area_t *next = c->next;
596 target_free_working_area(target, c);
606 target->working_areas = NULL;
611 int target_register_commands(struct command_context_s *cmd_ctx)
613 register_command(cmd_ctx, NULL, "target", handle_target_command, COMMAND_CONFIG, NULL);
614 register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL);
615 register_command(cmd_ctx, NULL, "daemon_startup", handle_daemon_startup_command, COMMAND_CONFIG, NULL);
616 register_command(cmd_ctx, NULL, "target_script", handle_target_script_command, COMMAND_CONFIG, NULL);
617 register_command(cmd_ctx, NULL, "run_and_halt_time", handle_run_and_halt_time_command, COMMAND_CONFIG, NULL);
618 register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_CONFIG, NULL);
623 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
627 DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
629 /* handle writes of less than 4 byte */
632 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
636 /* handle unaligned head bytes */
639 int unaligned = 4 - (address % 4);
641 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
645 address += unaligned;
649 /* handle aligned words */
652 int aligned = size - (size % 4);
654 /* use bulk writes above a certain limit. This may have to be changed */
657 if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
662 if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
671 /* handle tail writes of less than 4 bytes */
674 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
681 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
685 DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
687 /* handle reads of less than 4 byte */
690 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
694 /* handle unaligned head bytes */
697 int unaligned = 4 - (address % 4);
699 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
703 address += unaligned;
707 /* handle aligned words */
710 int aligned = size - (size % 4);
712 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
720 /* handle tail writes of less than 4 bytes */
723 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
730 void target_read_u32(struct target_s *target, u32 address, u32 *value)
734 target->type->read_memory(target, address, 4, 1, value_buf);
736 *value = target_buffer_get_u32(target, value_buf);
738 DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
741 void target_read_u16(struct target_s *target, u32 address, u16 *value)
745 target->type->read_memory(target, address, 2, 1, value_buf);
747 *value = target_buffer_get_u16(target, value_buf);
749 DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
752 void target_read_u8(struct target_s *target, u32 address, u8 *value)
754 target->type->read_memory(target, address, 1, 1, value);
756 DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
759 void target_write_u32(struct target_s *target, u32 address, u32 value)
763 DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
765 target_buffer_set_u32(target, value_buf, value);
766 target->type->write_memory(target, address, 4, 1, value_buf);
769 void target_write_u16(struct target_s *target, u32 address, u16 value)
773 DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
775 target_buffer_set_u16(target, value_buf, value);
776 target->type->write_memory(target, address, 2, 1, value_buf);
779 void target_write_u8(struct target_s *target, u32 address, u8 value)
781 DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
783 target->type->read_memory(target, address, 1, 1, &value);
786 int target_register_user_commands(struct command_context_s *cmd_ctx)
788 register_command(cmd_ctx, NULL, "reg", handle_reg_command, COMMAND_EXEC, NULL);
789 register_command(cmd_ctx, NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
790 register_command(cmd_ctx, NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
791 register_command(cmd_ctx, NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
792 register_command(cmd_ctx, NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
793 register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction");
794 register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init|run_and_halt|run_and_init]");
795 register_command(cmd_ctx, NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
797 register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
798 register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
799 register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
801 register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value>");
802 register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value>");
803 register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value>");
805 register_command(cmd_ctx, NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
806 register_command(cmd_ctx, NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
807 register_command(cmd_ctx, NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
808 register_command(cmd_ctx, NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
810 register_command(cmd_ctx, NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex']");
811 register_command(cmd_ctx, NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
812 register_command(cmd_ctx, NULL, "load_binary", handle_load_image_command, COMMAND_EXEC, "[DEPRECATED] load_binary <file> <address>");
813 register_command(cmd_ctx, NULL, "dump_binary", handle_dump_image_command, COMMAND_EXEC, "[DEPRECATED] dump_binary <file> <address> <size>");
818 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
820 target_t *target = targets;
825 int num = strtoul(args[0], NULL, 0);
830 target = target->next;
834 cmd_ctx->current_target = num;
836 command_print(cmd_ctx, "%i is out of bounds, only %i targets are configured", num, count);
843 command_print(cmd_ctx, "%i: %s (%s), state: %s", count++, target->type->name, target_endianess_strings[target->endianness], target_state_strings[target->state]);
844 target = target->next;
850 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
857 ERROR("target command requires at least three arguments: <type> <endianess> <reset_mode>");
861 /* search for the specified target */
862 if (args[0] && (args[0][0] != 0))
864 for (i = 0; target_types[i]; i++)
866 if (strcmp(args[0], target_types[i]->name) == 0)
868 target_t **last_target_p = &targets;
870 /* register target specific commands */
871 if (target_types[i]->register_commands(cmd_ctx) != ERROR_OK)
873 ERROR("couldn't register '%s' commands", args[0]);
879 while ((*last_target_p)->next)
880 last_target_p = &((*last_target_p)->next);
881 last_target_p = &((*last_target_p)->next);
884 *last_target_p = malloc(sizeof(target_t));
886 (*last_target_p)->type = target_types[i];
888 if (strcmp(args[1], "big") == 0)
889 (*last_target_p)->endianness = TARGET_BIG_ENDIAN;
890 else if (strcmp(args[1], "little") == 0)
891 (*last_target_p)->endianness = TARGET_LITTLE_ENDIAN;
894 ERROR("endianness must be either 'little' or 'big', not '%s'", args[1]);
898 /* what to do on a target reset */
899 if (strcmp(args[2], "reset_halt") == 0)
900 (*last_target_p)->reset_mode = RESET_HALT;
901 else if (strcmp(args[2], "reset_run") == 0)
902 (*last_target_p)->reset_mode = RESET_RUN;
903 else if (strcmp(args[2], "reset_init") == 0)
904 (*last_target_p)->reset_mode = RESET_INIT;
905 else if (strcmp(args[2], "run_and_halt") == 0)
906 (*last_target_p)->reset_mode = RESET_RUN_AND_HALT;
907 else if (strcmp(args[2], "run_and_init") == 0)
908 (*last_target_p)->reset_mode = RESET_RUN_AND_INIT;
911 ERROR("unknown target startup mode %s", args[2]);
914 (*last_target_p)->run_and_halt_time = 1000; /* default 1s */
916 (*last_target_p)->reset_script = NULL;
917 (*last_target_p)->post_halt_script = NULL;
918 (*last_target_p)->pre_resume_script = NULL;
920 (*last_target_p)->working_area = 0x0;
921 (*last_target_p)->working_area_size = 0x0;
922 (*last_target_p)->working_areas = NULL;
923 (*last_target_p)->backup_working_area = 0;
925 (*last_target_p)->state = TARGET_UNKNOWN;
926 (*last_target_p)->reg_cache = NULL;
927 (*last_target_p)->breakpoints = NULL;
928 (*last_target_p)->watchpoints = NULL;
929 (*last_target_p)->next = NULL;
930 (*last_target_p)->arch_info = NULL;
932 (*last_target_p)->type->target_command(cmd_ctx, cmd, args, argc, *last_target_p);
940 /* no matching target found */
943 ERROR("target '%s' not found", args[0]);
950 /* usage: target_script <target#> <event> <script_file> */
951 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
953 target_t *target = NULL;
957 ERROR("incomplete target_script command");
961 target = get_target_by_num(strtoul(args[0], NULL, 0));
965 ERROR("target number '%s' not defined", args[0]);
969 if (strcmp(args[1], "reset") == 0)
971 if (target->reset_script)
972 free(target->reset_script);
973 target->reset_script = strdup(args[2]);
975 else if (strcmp(args[1], "post_halt") == 0)
977 if (target->post_halt_script)
978 free(target->post_halt_script);
979 target->post_halt_script = strdup(args[2]);
981 else if (strcmp(args[1], "pre_resume") == 0)
983 if (target->pre_resume_script)
984 free(target->pre_resume_script);
985 target->pre_resume_script = strdup(args[2]);
989 ERROR("unknown event type: '%s", args[1]);
996 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
998 target_t *target = NULL;
1002 ERROR("incomplete run_and_halt_time command");
1006 target = get_target_by_num(strtoul(args[0], NULL, 0));
1010 ERROR("target number '%s' not defined", args[0]);
1014 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1019 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1021 target_t *target = NULL;
1025 ERROR("incomplete working_area command. usage: working_area <target#> <address> <size> <'backup'|'nobackup'>");
1029 target = get_target_by_num(strtoul(args[0], NULL, 0));
1033 ERROR("target number '%s' not defined", args[0]);
1037 target->working_area = strtoul(args[1], NULL, 0);
1038 target->working_area_size = strtoul(args[2], NULL, 0);
1040 if (strcmp(args[3], "backup") == 0)
1042 target->backup_working_area = 1;
1044 else if (strcmp(args[3], "nobackup") == 0)
1046 target->backup_working_area = 0;
1050 ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
1058 /* process target state changes */
1059 int handle_target(void *priv)
1062 target_t *target = targets;
1066 /* only poll if target isn't already halted */
1067 if (target->state != TARGET_HALTED)
1069 if (target_continous_poll)
1070 if ((retval = target->type->poll(target)) < 0)
1072 ERROR("couldn't poll target, exiting");
1077 target = target->next;
1083 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1092 target = get_current_target(cmd_ctx);
1094 /* list all available registers for the current target */
1097 reg_cache_t *cache = target->reg_cache;
1103 for (i = 0; i < cache->num_regs; i++)
1105 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1106 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);
1109 cache = cache->next;
1115 /* access a single register by its ordinal number */
1116 if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1118 int num = strtoul(args[0], NULL, 0);
1119 reg_cache_t *cache = target->reg_cache;
1125 for (i = 0; i < cache->num_regs; i++)
1129 reg = &cache->reg_list[i];
1135 cache = cache->next;
1140 command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1143 } else /* access a single register by its name */
1145 reg = register_get_by_name(target->reg_cache, args[0], 1);
1149 command_print(cmd_ctx, "register %s not found in current target", args[0]);
1154 /* display a register */
1155 if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1157 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1160 if (reg->valid == 0)
1162 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1163 if (arch_type == NULL)
1165 ERROR("BUG: encountered unregistered arch type");
1168 arch_type->get(reg);
1170 value = buf_to_str(reg->value, reg->size, 16);
1171 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1176 /* set register value */
1179 u8 *buf = malloc(CEIL(reg->size, 8));
1180 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1182 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1183 if (arch_type == NULL)
1185 ERROR("BUG: encountered unregistered arch type");
1189 arch_type->set(reg, buf);
1191 value = buf_to_str(reg->value, reg->size, 16);
1192 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1200 command_print(cmd_ctx, "usage: reg <#|name> [value]");
1205 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1207 target_t *target = get_current_target(cmd_ctx);
1212 command_print(cmd_ctx, "target state: %s", target_state_strings[target->type->poll(target)]);
1213 if (target->state == TARGET_HALTED)
1215 target->type->arch_state(target, buffer, 512);
1217 command_print(cmd_ctx, "%s", buffer);
1222 if (strcmp(args[0], "on") == 0)
1224 target_continous_poll = 1;
1226 else if (strcmp(args[0], "off") == 0)
1228 target_continous_poll = 0;
1236 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1238 target_t *target = get_current_target(cmd_ctx);
1239 struct timeval timeout, now;
1241 gettimeofday(&timeout, NULL);
1243 timeval_add_time(&timeout, 5, 0);
1247 timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
1249 command_print(cmd_ctx, "usage: wait_halt [seconds]");
1254 command_print(cmd_ctx, "waiting for target halted...");
1256 while(target->type->poll(target))
1258 if (target->state == TARGET_HALTED)
1260 command_print(cmd_ctx, "target halted");
1263 target_call_timer_callbacks();
1265 gettimeofday(&now, NULL);
1266 if ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec))
1268 command_print(cmd_ctx, "timed out while waiting for target halt");
1269 ERROR("timed out while waiting for target halt");
1277 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1280 target_t *target = get_current_target(cmd_ctx);
1284 command_print(cmd_ctx, "requesting target halt...");
1286 if ((retval = target->type->halt(target)) != ERROR_OK)
1290 case ERROR_TARGET_ALREADY_HALTED:
1291 command_print(cmd_ctx, "target already halted");
1293 case ERROR_TARGET_TIMEOUT:
1294 command_print(cmd_ctx, "target timed out... shutting down");
1297 command_print(cmd_ctx, "unknown error... shutting down");
1306 /* what to do on daemon startup */
1307 int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1311 if (strcmp(args[0], "attach") == 0)
1313 startup_mode = DAEMON_ATTACH;
1316 else if (strcmp(args[0], "reset") == 0)
1318 startup_mode = DAEMON_RESET;
1323 WARNING("invalid daemon_startup configuration directive: %s", args[0]);
1328 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1330 target_t *target = get_current_target(cmd_ctx);
1333 command_print(cmd_ctx, "requesting target halt and executing a soft reset");
1335 if ((retval = target->type->soft_reset_halt(target)) != ERROR_OK)
1339 case ERROR_TARGET_TIMEOUT:
1340 command_print(cmd_ctx, "target timed out... shutting down");
1343 command_print(cmd_ctx, "unknown error... shutting down");
1351 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1353 target_t *target = get_current_target(cmd_ctx);
1354 enum target_reset_mode reset_mode = RESET_RUN;
1360 if (strcmp("run", args[0]) == 0)
1361 reset_mode = RESET_RUN;
1362 else if (strcmp("halt", args[0]) == 0)
1363 reset_mode = RESET_HALT;
1364 else if (strcmp("init", args[0]) == 0)
1365 reset_mode = RESET_INIT;
1366 else if (strcmp("run_and_halt", args[0]) == 0)
1368 reset_mode = RESET_RUN_AND_HALT;
1371 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1374 else if (strcmp("run_and_init", args[0]) == 0)
1376 reset_mode = RESET_RUN_AND_INIT;
1379 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1384 command_print(cmd_ctx, "usage: reset ['run', 'halt', 'init', 'run_and_halt', 'run_and_init]");
1387 target->reset_mode = reset_mode;
1390 target_process_reset(cmd_ctx);
1395 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1398 target_t *target = get_current_target(cmd_ctx);
1403 retval = target->type->resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1405 retval = target->type->resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1408 command_print(cmd_ctx, "usage: resume [address]");
1412 if (retval != ERROR_OK)
1416 case ERROR_TARGET_NOT_HALTED:
1417 command_print(cmd_ctx, "target not halted");
1420 command_print(cmd_ctx, "unknown error... shutting down");
1428 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1430 target_t *target = get_current_target(cmd_ctx);
1435 target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1438 target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1443 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1456 target_t *target = get_current_target(cmd_ctx);
1462 count = strtoul(args[1], NULL, 0);
1464 address = strtoul(args[0], NULL, 0);
1482 buffer = calloc(count, size);
1483 if ((retval = target->type->read_memory(target, address, size, count, buffer)) != ERROR_OK)
1487 case ERROR_TARGET_UNALIGNED_ACCESS:
1488 command_print(cmd_ctx, "error: address not aligned");
1490 case ERROR_TARGET_NOT_HALTED:
1491 command_print(cmd_ctx, "error: target must be halted for memory accesses");
1493 case ERROR_TARGET_DATA_ABORT:
1494 command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
1497 command_print(cmd_ctx, "error: unknown error");
1505 for (i = 0; i < count; i++)
1508 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1513 output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1516 output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1519 output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1523 if ((i%8 == 7) || (i == count - 1))
1525 command_print(cmd_ctx, output);
1535 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1540 target_t *target = get_current_target(cmd_ctx);
1546 address = strtoul(args[0], NULL, 0);
1547 value = strtoul(args[1], NULL, 0);
1552 target_buffer_set_u32(target, value_buf, value);
1553 retval = target->type->write_memory(target, address, 4, 1, value_buf);
1556 target_buffer_set_u16(target, value_buf, value);
1557 retval = target->type->write_memory(target, address, 2, 1, value_buf);
1560 value_buf[0] = value;
1561 retval = target->type->write_memory(target, address, 1, 1, value_buf);
1569 case ERROR_TARGET_UNALIGNED_ACCESS:
1570 command_print(cmd_ctx, "error: address not aligned");
1572 case ERROR_TARGET_DATA_ABORT:
1573 command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
1575 case ERROR_TARGET_NOT_HALTED:
1576 command_print(cmd_ctx, "error: target must be halted for memory accesses");
1581 command_print(cmd_ctx, "error: unknown error");
1589 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1597 enum fileio_pri_type pri_type = FILEIO_IMAGE;
1598 fileio_image_t image_info;
1599 enum fileio_sec_type sec_type;
1601 duration_t duration;
1602 char *duration_text;
1604 target_t *target = get_current_target(cmd_ctx);
1608 command_print(cmd_ctx, "usage: load_image <filename> <address> [type]");
1612 memset(&file, 0, sizeof(fileio_t));
1613 fileio_identify_image_type(&sec_type, (argc == 3) ? args[2] : NULL);
1615 image_info.base_address = strtoul(args[1], NULL, 0);
1616 image_info.has_start_address = 0;
1618 buffer = malloc(128 * 1024);
1620 duration_start_measure(&duration);
1622 if (fileio_open(&file, args[0], FILEIO_READ,
1623 pri_type, &image_info, sec_type) != ERROR_OK)
1625 command_print(cmd_ctx, "load_image error: %s", file.error_str);
1629 binary_size = file.size;
1630 address = image_info.base_address;
1631 while ((binary_size > 0) &&
1632 (fileio_read(&file, 128 * 1024, buffer, &buf_cnt) == ERROR_OK))
1634 target_write_buffer(target, address, buf_cnt, buffer);
1636 binary_size -= buf_cnt;
1641 duration_stop_measure(&duration, &duration_text);
1642 command_print(cmd_ctx, "downloaded %lli byte in %s", file.size, duration_text);
1643 free(duration_text);
1645 fileio_close(&file);
1651 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1654 fileio_image_t image_info;
1660 duration_t duration;
1661 char *duration_text;
1663 target_t *target = get_current_target(cmd_ctx);
1667 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
1671 address = strtoul(args[1], NULL, 0);
1672 size = strtoul(args[2], NULL, 0);
1674 if ((address & 3) || (size & 3))
1676 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
1680 image_info.base_address = address;
1681 image_info.has_start_address = 0;
1683 if (fileio_open(&file, args[0], FILEIO_WRITE,
1684 FILEIO_IMAGE, &image_info, FILEIO_PLAIN) != ERROR_OK)
1686 command_print(cmd_ctx, "dump_image error: %s", file.error_str);
1690 duration_start_measure(&duration);
1695 u32 this_run_size = (size > 560) ? 560 : size;
1697 target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
1698 fileio_write(&file, this_run_size, buffer, &size_written);
1700 size -= this_run_size;
1701 address += this_run_size;
1704 fileio_close(&file);
1706 duration_stop_measure(&duration, &duration_text);
1707 command_print(cmd_ctx, "dumped %lli byte in %s", file.size, duration_text);
1708 free(duration_text);
1714 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1717 target_t *target = get_current_target(cmd_ctx);
1721 breakpoint_t *breakpoint = target->breakpoints;
1725 if (breakpoint->type == BKPT_SOFT)
1727 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
1728 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
1733 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
1735 breakpoint = breakpoint->next;
1743 length = strtoul(args[1], NULL, 0);
1746 if (strcmp(args[2], "hw") == 0)
1749 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
1753 case ERROR_TARGET_NOT_HALTED:
1754 command_print(cmd_ctx, "target must be halted to set breakpoints");
1756 case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
1757 command_print(cmd_ctx, "no more breakpoints available");
1760 command_print(cmd_ctx, "unknown error, breakpoint not set");
1766 command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
1771 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
1777 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1779 target_t *target = get_current_target(cmd_ctx);
1782 breakpoint_remove(target, strtoul(args[0], NULL, 0));
1787 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1789 target_t *target = get_current_target(cmd_ctx);
1793 watchpoint_t *watchpoint = target->watchpoints;
1797 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);
1798 watchpoint = watchpoint->next;
1803 enum watchpoint_rw type = WPT_ACCESS;
1804 u32 data_value = 0x0;
1805 u32 data_mask = 0xffffffff;
1821 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
1827 data_value = strtoul(args[3], NULL, 0);
1831 data_mask = strtoul(args[4], NULL, 0);
1833 watchpoint_add(target, strtoul(args[0], NULL, 0), strtoul(args[1], NULL, 0), type, data_value, data_mask);
1837 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
1843 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1845 target_t *target = get_current_target(cmd_ctx);
1848 watchpoint_remove(target, strtoul(args[0], NULL, 0));