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>
45 int cli_target_callback_event_handler(struct target_s *target, enum target_event event, void *priv);
47 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
48 int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
49 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
51 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
52 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
53 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
55 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
56 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
57 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
58 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
59 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
60 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
61 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
62 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
63 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
64 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
65 int handle_load_binary_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
66 int handle_dump_binary_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
67 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
68 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
69 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
70 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
74 extern target_type_t arm7tdmi_target;
75 extern target_type_t arm720t_target;
76 extern target_type_t arm9tdmi_target;
77 extern target_type_t arm920t_target;
78 extern target_type_t arm966e_target;
80 target_type_t *target_types[] =
90 target_t *targets = NULL;
91 target_event_callback_t *target_event_callbacks = NULL;
92 target_timer_callback_t *target_timer_callbacks = NULL;
94 char *target_state_strings[] =
103 char *target_debug_reason_strings[] =
105 "debug request", "breakpoint", "watchpoint",
106 "watchpoint and breakpoint", "single step",
110 char *target_endianess_strings[] =
116 enum daemon_startup_mode startup_mode = DAEMON_ATTACH;
118 static int target_continous_poll = 1;
120 /* read a u32 from a buffer in target memory endianness */
121 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
123 if (target->endianness == TARGET_LITTLE_ENDIAN)
124 return le_to_h_u32(buffer);
126 return be_to_h_u32(buffer);
129 /* read a u16 from a buffer in target memory endianness */
130 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
132 if (target->endianness == TARGET_LITTLE_ENDIAN)
133 return le_to_h_u16(buffer);
135 return be_to_h_u16(buffer);
138 /* write a u32 to a buffer in target memory endianness */
139 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
141 if (target->endianness == TARGET_LITTLE_ENDIAN)
142 h_u32_to_le(buffer, value);
144 h_u32_to_be(buffer, value);
147 /* write a u16 to a buffer in target memory endianness */
148 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
150 if (target->endianness == TARGET_LITTLE_ENDIAN)
151 h_u16_to_le(buffer, value);
153 h_u16_to_be(buffer, value);
156 /* returns a pointer to the n-th configured target */
157 target_t* get_target_by_num(int num)
159 target_t *target = targets;
166 target = target->next;
173 int get_num_by_target(target_t *query_target)
175 target_t *target = targets;
180 if (target == query_target)
182 target = target->next;
189 target_t* get_current_target(command_context_t *cmd_ctx)
191 target_t *target = get_target_by_num(cmd_ctx->current_target);
195 ERROR("BUG: current_target out of bounds");
202 /* Process target initialization, when target entered debug out of reset
203 * the handler is unregistered at the end of this function, so it's only called once
205 int target_init_handler(struct target_s *target, enum target_event event, void *priv)
208 struct command_context_s *cmd_ctx = priv;
210 if ((event == TARGET_EVENT_HALTED) && (target->reset_script))
212 script = fopen(target->reset_script, "r");
215 ERROR("couldn't open script file %s", target->reset_script);
219 INFO("executing reset script '%s'", target->reset_script);
220 command_run_file(cmd_ctx, script, COMMAND_EXEC);
223 jtag_execute_queue();
225 target_unregister_event_callback(target_init_handler, priv);
231 int target_run_and_halt_handler(void *priv)
233 target_t *target = priv;
235 target->type->halt(target);
240 int target_process_reset(struct command_context_s *cmd_ctx)
242 int retval = ERROR_OK;
248 target->type->assert_reset(target);
249 target = target->next;
251 jtag_execute_queue();
253 /* request target halt if necessary, and schedule further action */
257 switch (target->reset_mode)
260 /* nothing to do if target just wants to be run */
262 case RESET_RUN_AND_HALT:
264 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
266 case RESET_RUN_AND_INIT:
268 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
269 target_register_event_callback(target_init_handler, cmd_ctx);
272 target->type->halt(target);
275 target->type->halt(target);
276 target_register_event_callback(target_init_handler, cmd_ctx);
279 ERROR("BUG: unknown target->reset_mode");
281 target = target->next;
287 target->type->deassert_reset(target);
288 target = target->next;
290 jtag_execute_queue();
295 int target_init(struct command_context_s *cmd_ctx)
297 target_t *target = targets;
301 if (target->type->init_target(cmd_ctx, target) != ERROR_OK)
303 ERROR("target '%s' init failed", target->type->name);
306 target = target->next;
311 target_register_user_commands(cmd_ctx);
312 target_register_timer_callback(handle_target, 100, 1, NULL);
315 if (startup_mode == DAEMON_RESET)
316 target_process_reset(cmd_ctx);
321 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
323 target_event_callback_t **callbacks_p = &target_event_callbacks;
325 if (callback == NULL)
327 return ERROR_INVALID_ARGUMENTS;
332 while ((*callbacks_p)->next)
333 callbacks_p = &((*callbacks_p)->next);
334 callbacks_p = &((*callbacks_p)->next);
337 (*callbacks_p) = malloc(sizeof(target_event_callback_t));
338 (*callbacks_p)->callback = callback;
339 (*callbacks_p)->priv = priv;
340 (*callbacks_p)->next = NULL;
345 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
347 target_timer_callback_t **callbacks_p = &target_timer_callbacks;
350 if (callback == NULL)
352 return ERROR_INVALID_ARGUMENTS;
357 while ((*callbacks_p)->next)
358 callbacks_p = &((*callbacks_p)->next);
359 callbacks_p = &((*callbacks_p)->next);
362 (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
363 (*callbacks_p)->callback = callback;
364 (*callbacks_p)->periodic = periodic;
365 (*callbacks_p)->time_ms = time_ms;
367 gettimeofday(&now, NULL);
368 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
369 time_ms -= (time_ms % 1000);
370 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
371 if ((*callbacks_p)->when.tv_usec > 1000000)
373 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
374 (*callbacks_p)->when.tv_sec += 1;
377 (*callbacks_p)->priv = priv;
378 (*callbacks_p)->next = NULL;
383 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
385 target_event_callback_t **p = &target_event_callbacks;
386 target_event_callback_t *c = target_event_callbacks;
388 if (callback == NULL)
390 return ERROR_INVALID_ARGUMENTS;
395 target_event_callback_t *next = c->next;
396 if ((c->callback == callback) && (c->priv == priv))
410 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
412 target_timer_callback_t **p = &target_timer_callbacks;
413 target_timer_callback_t *c = target_timer_callbacks;
415 if (callback == NULL)
417 return ERROR_INVALID_ARGUMENTS;
422 target_timer_callback_t *next = c->next;
423 if ((c->callback == callback) && (c->priv == priv))
437 int target_call_event_callbacks(target_t *target, enum target_event event)
439 target_event_callback_t *callback = target_event_callbacks;
440 target_event_callback_t *next_callback;
442 DEBUG("target event %i", event);
446 next_callback = callback->next;
447 callback->callback(target, event, callback->priv);
448 callback = next_callback;
454 int target_call_timer_callbacks()
456 target_timer_callback_t *callback = target_timer_callbacks;
457 target_timer_callback_t *next_callback;
460 gettimeofday(&now, NULL);
464 next_callback = callback->next;
466 if (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
467 || (now.tv_sec > callback->when.tv_sec))
469 callback->callback(callback->priv);
470 if (callback->periodic)
472 int time_ms = callback->time_ms;
473 callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
474 time_ms -= (time_ms % 1000);
475 callback->when.tv_sec = now.tv_sec + time_ms / 1000;
476 if (callback->when.tv_usec > 1000000)
478 callback->when.tv_usec = callback->when.tv_usec - 1000000;
479 callback->when.tv_sec += 1;
483 target_unregister_timer_callback(callback->callback, callback->priv);
486 callback = next_callback;
492 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
494 working_area_t *c = target->working_areas;
495 working_area_t *new_wa = NULL;
497 /* only allocate multiples of 4 byte */
500 ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
501 size = CEIL(size, 4);
504 /* see if there's already a matching working area */
507 if ((c->free) && (c->size == size))
515 /* if not, allocate a new one */
518 working_area_t **p = &target->working_areas;
519 u32 first_free = target->working_area;
520 u32 free_size = target->working_area_size;
522 DEBUG("allocating new working area");
524 c = target->working_areas;
527 first_free += c->size;
528 free_size -= c->size;
533 if (free_size < size)
535 WARNING("not enough working area available");
536 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
539 new_wa = malloc(sizeof(working_area_t));
542 new_wa->address = first_free;
544 if (target->backup_working_area)
546 new_wa->backup = malloc(new_wa->size);
547 target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup);
551 new_wa->backup = NULL;
554 /* put new entry in list */
558 /* mark as used, and return the new (reused) area */
568 int target_free_working_area(struct target_s *target, working_area_t *area)
573 if (target->backup_working_area)
574 target->type->write_memory(target, area->address, 4, area->size / 4, area->backup);
578 /* mark user pointer invalid */
585 int target_free_all_working_areas(struct target_s *target)
587 working_area_t *c = target->working_areas;
591 working_area_t *next = c->next;
592 target_free_working_area(target, c);
602 target->working_areas = NULL;
607 int target_register_commands(struct command_context_s *cmd_ctx)
609 register_command(cmd_ctx, NULL, "target", handle_target_command, COMMAND_CONFIG, NULL);
610 register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL);
611 register_command(cmd_ctx, NULL, "daemon_startup", handle_daemon_startup_command, COMMAND_CONFIG, NULL);
612 register_command(cmd_ctx, NULL, "target_script", handle_target_script_command, COMMAND_CONFIG, NULL);
613 register_command(cmd_ctx, NULL, "run_and_halt_time", handle_run_and_halt_time_command, COMMAND_CONFIG, NULL);
614 register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_CONFIG, NULL);
619 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
623 DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
625 /* handle writes of less than 4 byte */
628 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
632 /* handle unaligned head bytes */
635 int unaligned = 4 - (address % 4);
637 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
641 address += unaligned;
645 /* handle aligned words */
648 int aligned = size - (size % 4);
650 /* use bulk writes above a certain limit. This may have to be changed */
653 if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
658 if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
667 /* handle tail writes of less than 4 bytes */
670 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
677 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
681 DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
683 /* handle reads of less than 4 byte */
686 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
690 /* handle unaligned head bytes */
693 int unaligned = 4 - (address % 4);
695 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
699 address += unaligned;
703 /* handle aligned words */
706 int aligned = size - (size % 4);
708 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
716 /* handle tail writes of less than 4 bytes */
719 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
726 void target_read_u32(struct target_s *target, u32 address, u32 *value)
730 target->type->read_memory(target, address, 4, 1, value_buf);
732 *value = target_buffer_get_u32(target, value_buf);
735 void target_read_u16(struct target_s *target, u32 address, u16 *value)
739 target->type->read_memory(target, address, 2, 1, value_buf);
741 *value = target_buffer_get_u16(target, value_buf);
744 void target_read_u8(struct target_s *target, u32 address, u8 *value)
746 target->type->read_memory(target, address, 1, 1, value);
749 void target_write_u32(struct target_s *target, u32 address, u32 value)
753 target_buffer_set_u32(target, value_buf, value);
754 target->type->write_memory(target, address, 4, 1, value_buf);
757 void target_write_u16(struct target_s *target, u32 address, u16 value)
761 target_buffer_set_u16(target, value_buf, value);
762 target->type->write_memory(target, address, 2, 1, value_buf);
765 void target_write_u8(struct target_s *target, u32 address, u8 value)
767 target->type->read_memory(target, address, 1, 1, &value);
770 int target_register_user_commands(struct command_context_s *cmd_ctx)
772 register_command(cmd_ctx, NULL, "reg", handle_reg_command, COMMAND_EXEC, NULL);
773 register_command(cmd_ctx, NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
774 register_command(cmd_ctx, NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt");
775 register_command(cmd_ctx, NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
776 register_command(cmd_ctx, NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
777 register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction");
778 register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init|run_and_halt|run_and_init]");
779 register_command(cmd_ctx, NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
781 register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
782 register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
783 register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
785 register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value>");
786 register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value>");
787 register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value>");
789 register_command(cmd_ctx, NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
790 register_command(cmd_ctx, NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
791 register_command(cmd_ctx, NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
792 register_command(cmd_ctx, NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
794 register_command(cmd_ctx, NULL, "load_binary", handle_load_binary_command, COMMAND_EXEC, "load binary <file> <address>");
795 register_command(cmd_ctx, NULL, "dump_binary", handle_dump_binary_command, COMMAND_EXEC, "dump binary <file> <address> <size>");
800 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
802 target_t *target = targets;
807 int num = strtoul(args[0], NULL, 0);
812 target = target->next;
816 cmd_ctx->current_target = num;
818 command_print(cmd_ctx, "%i is out of bounds, only %i targets are configured", num, count);
825 command_print(cmd_ctx, "%i: %s (%s), state: %s", count++, target->type->name, target_endianess_strings[target->endianness], target_state_strings[target->state]);
826 target = target->next;
832 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
839 ERROR("target command requires at least three arguments: <type> <endianess> <reset_mode>");
843 /* search for the specified target */
844 if (args[0] && (args[0][0] != 0))
846 for (i = 0; target_types[i]; i++)
848 if (strcmp(args[0], target_types[i]->name) == 0)
850 target_t **last_target_p = &targets;
852 /* register target specific commands */
853 if (target_types[i]->register_commands(cmd_ctx) != ERROR_OK)
855 ERROR("couldn't register '%s' commands", args[0]);
861 while ((*last_target_p)->next)
862 last_target_p = &((*last_target_p)->next);
863 last_target_p = &((*last_target_p)->next);
866 *last_target_p = malloc(sizeof(target_t));
868 (*last_target_p)->type = target_types[i];
870 if (strcmp(args[1], "big") == 0)
871 (*last_target_p)->endianness = TARGET_BIG_ENDIAN;
872 else if (strcmp(args[1], "little") == 0)
873 (*last_target_p)->endianness = TARGET_LITTLE_ENDIAN;
876 ERROR("endianness must be either 'little' or 'big', not '%s'", args[1]);
880 /* what to do on a target reset */
881 if (strcmp(args[2], "reset_halt") == 0)
882 (*last_target_p)->reset_mode = RESET_HALT;
883 else if (strcmp(args[2], "reset_run") == 0)
884 (*last_target_p)->reset_mode = RESET_RUN;
885 else if (strcmp(args[2], "reset_init") == 0)
886 (*last_target_p)->reset_mode = RESET_INIT;
887 else if (strcmp(args[2], "run_and_halt") == 0)
888 (*last_target_p)->reset_mode = RESET_RUN_AND_HALT;
889 else if (strcmp(args[2], "run_and_init") == 0)
890 (*last_target_p)->reset_mode = RESET_RUN_AND_INIT;
893 ERROR("unknown target startup mode %s", args[2]);
896 (*last_target_p)->run_and_halt_time = 1000; /* default 1s */
898 (*last_target_p)->reset_script = NULL;
899 (*last_target_p)->post_halt_script = NULL;
900 (*last_target_p)->pre_resume_script = NULL;
902 (*last_target_p)->working_area = 0x0;
903 (*last_target_p)->working_area_size = 0x0;
904 (*last_target_p)->working_areas = NULL;
905 (*last_target_p)->backup_working_area = 0;
907 (*last_target_p)->state = TARGET_UNKNOWN;
908 (*last_target_p)->reg_cache = NULL;
909 (*last_target_p)->breakpoints = NULL;
910 (*last_target_p)->watchpoints = NULL;
911 (*last_target_p)->next = NULL;
912 (*last_target_p)->arch_info = NULL;
914 (*last_target_p)->type->target_command(cmd_ctx, cmd, args, argc, *last_target_p);
922 /* no matching target found */
925 ERROR("target '%s' not found", args[0]);
932 /* usage: target_script <target#> <event> <script_file> */
933 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
935 target_t *target = NULL;
939 ERROR("incomplete target_script command");
943 target = get_target_by_num(strtoul(args[0], NULL, 0));
947 ERROR("target number '%s' not defined", args[0]);
951 if (strcmp(args[1], "reset") == 0)
953 if (target->reset_script)
954 free(target->reset_script);
955 target->reset_script = strdup(args[2]);
957 else if (strcmp(args[1], "post_halt") == 0)
959 if (target->post_halt_script)
960 free(target->post_halt_script);
961 target->post_halt_script = strdup(args[2]);
963 else if (strcmp(args[1], "pre_resume") == 0)
965 if (target->pre_resume_script)
966 free(target->pre_resume_script);
967 target->pre_resume_script = strdup(args[2]);
971 ERROR("unknown event type: '%s", args[1]);
978 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
980 target_t *target = NULL;
984 ERROR("incomplete run_and_halt_time command");
988 target = get_target_by_num(strtoul(args[0], NULL, 0));
992 ERROR("target number '%s' not defined", args[0]);
996 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1001 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1003 target_t *target = NULL;
1007 ERROR("incomplete working_area command. usage: working_area <target#> <address> <size> <'backup'|'nobackup'>");
1011 target = get_target_by_num(strtoul(args[0], NULL, 0));
1015 ERROR("target number '%s' not defined", args[0]);
1019 target->working_area = strtoul(args[1], NULL, 0);
1020 target->working_area_size = strtoul(args[2], NULL, 0);
1022 if (strcmp(args[3], "backup") == 0)
1024 target->backup_working_area = 1;
1026 else if (strcmp(args[3], "nobackup") == 0)
1028 target->backup_working_area = 0;
1032 ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
1040 /* process target state changes */
1041 int handle_target(void *priv)
1044 target_t *target = targets;
1048 /* only poll if target isn't already halted */
1049 if (target->state != TARGET_HALTED)
1051 if (target_continous_poll)
1052 if ((retval = target->type->poll(target)) < 0)
1054 ERROR("couldn't poll target, exiting");
1059 target = target->next;
1065 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1074 target = get_current_target(cmd_ctx);
1076 /* list all available registers for the current target */
1079 reg_cache_t *cache = target->reg_cache;
1085 for (i = 0; i < cache->num_regs; i++)
1087 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1088 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);
1091 cache = cache->next;
1097 /* access a single register by its ordinal number */
1098 if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1100 int num = strtoul(args[0], NULL, 0);
1101 reg_cache_t *cache = target->reg_cache;
1107 for (i = 0; i < cache->num_regs; i++)
1111 reg = &cache->reg_list[i];
1117 cache = cache->next;
1122 command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1125 } else /* access a single register by its name */
1127 reg = register_get_by_name(target->reg_cache, args[0], 1);
1131 command_print(cmd_ctx, "register %s not found in current target", args[0]);
1136 /* display a register */
1137 if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1139 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1142 if (reg->valid == 0)
1144 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1145 if (arch_type == NULL)
1147 ERROR("BUG: encountered unregistered arch type");
1150 arch_type->get(reg);
1152 value = buf_to_str(reg->value, reg->size, 16);
1153 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1158 /* set register value */
1161 u8 *buf = malloc(CEIL(reg->size, 8));
1162 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1164 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1165 if (arch_type == NULL)
1167 ERROR("BUG: encountered unregistered arch type");
1171 arch_type->set(reg, buf);
1173 value = buf_to_str(reg->value, reg->size, 16);
1174 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1182 command_print(cmd_ctx, "usage: reg <#|name> [value]");
1187 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1189 target_t *target = get_current_target(cmd_ctx);
1194 command_print(cmd_ctx, "target state: %s", target_state_strings[target->type->poll(target)]);
1195 if (target->state == TARGET_HALTED)
1197 target->type->arch_state(target, buffer, 512);
1199 command_print(cmd_ctx, "%s", buffer);
1204 if (strcmp(args[0], "on") == 0)
1206 target_continous_poll = 1;
1208 else if (strcmp(args[0], "off") == 0)
1210 target_continous_poll = 0;
1218 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1220 target_t *target = get_current_target(cmd_ctx);
1221 struct timeval timeout, now;
1223 gettimeofday(&timeout, NULL);
1224 timeval_add_time(&timeout, 5, 0);
1226 command_print(cmd_ctx, "waiting for target halted...");
1228 while(target->type->poll(target))
1230 if (target->state == TARGET_HALTED)
1232 command_print(cmd_ctx, "target halted");
1235 target_call_timer_callbacks();
1237 gettimeofday(&now, NULL);
1238 if ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec))
1240 command_print(cmd_ctx, "timed out while waiting for target halt");
1241 ERROR("timed out while waiting for target halt");
1249 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1252 target_t *target = get_current_target(cmd_ctx);
1256 command_print(cmd_ctx, "requesting target halt...");
1258 if ((retval = target->type->halt(target)) != ERROR_OK)
1262 case ERROR_TARGET_ALREADY_HALTED:
1263 command_print(cmd_ctx, "target already halted");
1265 case ERROR_TARGET_TIMEOUT:
1266 command_print(cmd_ctx, "target timed out... shutting down");
1269 command_print(cmd_ctx, "unknown error... shutting down");
1278 /* what to do on daemon startup */
1279 int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1283 if (strcmp(args[0], "attach") == 0)
1285 startup_mode = DAEMON_ATTACH;
1288 else if (strcmp(args[0], "reset") == 0)
1290 startup_mode = DAEMON_RESET;
1295 WARNING("invalid daemon_startup configuration directive: %s", args[0]);
1300 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1302 target_t *target = get_current_target(cmd_ctx);
1305 command_print(cmd_ctx, "requesting target halt and executing a soft reset");
1307 if ((retval = target->type->soft_reset_halt(target)) != ERROR_OK)
1311 case ERROR_TARGET_TIMEOUT:
1312 command_print(cmd_ctx, "target timed out... shutting down");
1315 command_print(cmd_ctx, "unknown error... shutting down");
1323 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1325 target_t *target = get_current_target(cmd_ctx);
1326 enum target_reset_mode reset_mode = RESET_RUN;
1332 if (strcmp("run", args[0]) == 0)
1333 reset_mode = RESET_RUN;
1334 else if (strcmp("halt", args[0]) == 0)
1335 reset_mode = RESET_HALT;
1336 else if (strcmp("init", args[0]) == 0)
1337 reset_mode = RESET_INIT;
1338 else if (strcmp("run_and_halt", args[0]) == 0)
1340 reset_mode = RESET_RUN_AND_HALT;
1343 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1346 else if (strcmp("run_and_init", args[0]) == 0)
1348 reset_mode = RESET_RUN_AND_INIT;
1351 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1356 command_print(cmd_ctx, "usage: reset ['run', 'halt', 'init', 'run_and_halt', 'run_and_init]");
1359 target->reset_mode = reset_mode;
1362 target_process_reset(cmd_ctx);
1367 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1370 target_t *target = get_current_target(cmd_ctx);
1375 retval = target->type->resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1377 retval = target->type->resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1380 command_print(cmd_ctx, "usage: resume [address]");
1384 if (retval != ERROR_OK)
1388 case ERROR_TARGET_NOT_HALTED:
1389 command_print(cmd_ctx, "target not halted");
1392 command_print(cmd_ctx, "unknown error... shutting down");
1400 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1402 target_t *target = get_current_target(cmd_ctx);
1407 target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1410 target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1415 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1428 target_t *target = get_current_target(cmd_ctx);
1434 count = strtoul(args[1], NULL, 0);
1436 address = strtoul(args[0], NULL, 0);
1454 buffer = calloc(count, size);
1455 if ((retval = target->type->read_memory(target, address, size, count, buffer)) != ERROR_OK)
1459 case ERROR_TARGET_UNALIGNED_ACCESS:
1460 command_print(cmd_ctx, "error: address not aligned");
1462 case ERROR_TARGET_NOT_HALTED:
1463 command_print(cmd_ctx, "error: target must be halted for memory accesses");
1465 case ERROR_TARGET_DATA_ABORT:
1466 command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
1469 command_print(cmd_ctx, "error: unknown error");
1477 for (i = 0; i < count; i++)
1480 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1485 output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1488 output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1491 output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1495 if ((i%8 == 7) || (i == count - 1))
1497 command_print(cmd_ctx, output);
1507 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1512 target_t *target = get_current_target(cmd_ctx);
1518 address = strtoul(args[0], NULL, 0);
1519 value = strtoul(args[1], NULL, 0);
1524 target_buffer_set_u32(target, value_buf, value);
1525 retval = target->type->write_memory(target, address, 4, 1, value_buf);
1528 target_buffer_set_u16(target, value_buf, value);
1529 retval = target->type->write_memory(target, address, 2, 1, value_buf);
1532 value_buf[0] = value;
1533 retval = target->type->write_memory(target, address, 1, 1, value_buf);
1541 case ERROR_TARGET_UNALIGNED_ACCESS:
1542 command_print(cmd_ctx, "error: address not aligned");
1544 case ERROR_TARGET_DATA_ABORT:
1545 command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
1547 case ERROR_TARGET_NOT_HALTED:
1548 command_print(cmd_ctx, "error: target must be halted for memory accesses");
1553 command_print(cmd_ctx, "error: unknown error");
1561 int handle_load_binary_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1565 struct stat binary_stat;
1571 struct timeval start, end, duration;
1573 target_t *target = get_current_target(cmd_ctx);
1577 command_print(cmd_ctx, "usage: load_binary <filename> <address>");
1581 address = strtoul(args[1], NULL, 0);
1583 if (stat(args[0], &binary_stat) == -1)
1585 ERROR("couldn't stat() %s: %s", args[0], strerror(errno));
1586 command_print(cmd_ctx, "error accessing file %s", args[0]);
1590 if (!(binary = fopen(args[0], "rb")))
1592 ERROR("couldn't open %s: %s", args[0], strerror(errno));
1593 command_print(cmd_ctx, "error accessing file %s", args[0]);
1597 buffer = malloc(128 * 1024);
1599 gettimeofday(&start, NULL);
1601 binary_size = binary_stat.st_size;
1602 while (binary_size > 0)
1604 buf_cnt = fread(buffer, 1, 128*1024, binary);
1605 target_write_buffer(target, address, buf_cnt, buffer);
1607 binary_size -= buf_cnt;
1610 gettimeofday(&end, NULL);
1614 timeval_subtract(&duration, &end, &start);
1615 command_print(cmd_ctx, "downloaded %lli byte in %is %ius", (long long) binary_stat.st_size, duration.tv_sec, duration.tv_usec);
1623 int handle_dump_binary_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1630 struct timeval start, end, duration;
1632 target_t *target = get_current_target(cmd_ctx);
1636 command_print(cmd_ctx, "usage: dump_binary <filename> <address> <size>");
1640 address = strtoul(args[1], NULL, 0);
1641 size = strtoul(args[2], NULL, 0);
1643 if (!(binary = fopen(args[0], "wb")))
1645 ERROR("couldn't open %s for writing: %s", args[0], strerror(errno));
1646 command_print(cmd_ctx, "error accessing file %s", args[0]);
1650 if ((address & 3) || (size & 3))
1652 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
1656 gettimeofday(&start, NULL);
1660 u32 this_run_size = (size > 560) ? 560 : size;
1661 target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
1662 fwrite(buffer, 1, this_run_size, binary);
1663 size -= this_run_size;
1664 address += this_run_size;
1669 gettimeofday(&end, NULL);
1671 timeval_subtract(&duration, &end, &start);
1672 command_print(cmd_ctx, "dumped %i byte in %is %ius", strtoul(args[2], NULL, 0), duration.tv_sec, duration.tv_usec);
1678 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1681 target_t *target = get_current_target(cmd_ctx);
1685 breakpoint_t *breakpoint = target->breakpoints;
1689 if (breakpoint->type == BKPT_SOFT)
1691 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
1692 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
1697 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
1699 breakpoint = breakpoint->next;
1707 length = strtoul(args[1], NULL, 0);
1710 if (strcmp(args[2], "hw") == 0)
1713 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
1717 case ERROR_TARGET_NOT_HALTED:
1718 command_print(cmd_ctx, "target must be halted to set breakpoints");
1720 case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
1721 command_print(cmd_ctx, "no more breakpoints available");
1724 command_print(cmd_ctx, "unknown error, breakpoint not set");
1730 command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
1735 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
1741 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1743 target_t *target = get_current_target(cmd_ctx);
1746 breakpoint_remove(target, strtoul(args[0], NULL, 0));
1751 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1753 target_t *target = get_current_target(cmd_ctx);
1757 watchpoint_t *watchpoint = target->watchpoints;
1761 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);
1762 watchpoint = watchpoint->next;
1767 enum watchpoint_rw type = WPT_ACCESS;
1768 u32 data_value = 0x0;
1769 u32 data_mask = 0xffffffff;
1785 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
1791 data_value = strtoul(args[3], NULL, 0);
1795 data_mask = strtoul(args[4], NULL, 0);
1797 watchpoint_add(target, strtoul(args[0], NULL, 0), strtoul(args[1], NULL, 0), type, data_value, data_mask);
1801 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
1807 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1809 target_t *target = get_current_target(cmd_ctx);
1812 watchpoint_remove(target, strtoul(args[0], NULL, 0));