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;
82 extern target_type_t xscale_target;
84 target_type_t *target_types[] =
96 target_t *targets = NULL;
97 target_event_callback_t *target_event_callbacks = NULL;
98 target_timer_callback_t *target_timer_callbacks = NULL;
100 char *target_state_strings[] =
109 char *target_debug_reason_strings[] =
111 "debug request", "breakpoint", "watchpoint",
112 "watchpoint and breakpoint", "single step",
116 char *target_endianess_strings[] =
122 enum daemon_startup_mode startup_mode = DAEMON_ATTACH;
124 static int target_continous_poll = 1;
126 /* read a u32 from a buffer in target memory endianness */
127 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
129 if (target->endianness == TARGET_LITTLE_ENDIAN)
130 return le_to_h_u32(buffer);
132 return be_to_h_u32(buffer);
135 /* read a u16 from a buffer in target memory endianness */
136 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
138 if (target->endianness == TARGET_LITTLE_ENDIAN)
139 return le_to_h_u16(buffer);
141 return be_to_h_u16(buffer);
144 /* write a u32 to a buffer in target memory endianness */
145 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
147 if (target->endianness == TARGET_LITTLE_ENDIAN)
148 h_u32_to_le(buffer, value);
150 h_u32_to_be(buffer, value);
153 /* write a u16 to a buffer in target memory endianness */
154 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
156 if (target->endianness == TARGET_LITTLE_ENDIAN)
157 h_u16_to_le(buffer, value);
159 h_u16_to_be(buffer, value);
162 /* returns a pointer to the n-th configured target */
163 target_t* get_target_by_num(int num)
165 target_t *target = targets;
172 target = target->next;
179 int get_num_by_target(target_t *query_target)
181 target_t *target = targets;
186 if (target == query_target)
188 target = target->next;
195 target_t* get_current_target(command_context_t *cmd_ctx)
197 target_t *target = get_target_by_num(cmd_ctx->current_target);
201 ERROR("BUG: current_target out of bounds");
208 /* Process target initialization, when target entered debug out of reset
209 * the handler is unregistered at the end of this function, so it's only called once
211 int target_init_handler(struct target_s *target, enum target_event event, void *priv)
214 struct command_context_s *cmd_ctx = priv;
216 if ((event == TARGET_EVENT_HALTED) && (target->reset_script))
218 target_unregister_event_callback(target_init_handler, priv);
220 script = fopen(target->reset_script, "r");
223 ERROR("couldn't open script file %s", target->reset_script);
227 INFO("executing reset script '%s'", target->reset_script);
228 command_run_file(cmd_ctx, script, COMMAND_EXEC);
231 jtag_execute_queue();
237 int target_run_and_halt_handler(void *priv)
239 target_t *target = priv;
241 target->type->halt(target);
246 int target_process_reset(struct command_context_s *cmd_ctx)
248 int retval = ERROR_OK;
251 /* prepare reset_halt where necessary */
255 switch (target->reset_mode)
259 target->type->prepare_reset_halt(target);
264 target = target->next;
270 target->type->assert_reset(target);
271 target = target->next;
273 jtag_execute_queue();
275 /* request target halt if necessary, and schedule further action */
279 switch (target->reset_mode)
282 /* nothing to do if target just wants to be run */
284 case RESET_RUN_AND_HALT:
286 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
288 case RESET_RUN_AND_INIT:
290 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
291 target_register_event_callback(target_init_handler, cmd_ctx);
294 target->type->halt(target);
297 target->type->halt(target);
298 target_register_event_callback(target_init_handler, cmd_ctx);
301 ERROR("BUG: unknown target->reset_mode");
303 target = target->next;
309 target->type->deassert_reset(target);
310 target = target->next;
312 jtag_execute_queue();
317 int target_init(struct command_context_s *cmd_ctx)
319 target_t *target = targets;
323 if (target->type->init_target(cmd_ctx, target) != ERROR_OK)
325 ERROR("target '%s' init failed", target->type->name);
328 target = target->next;
333 target_register_user_commands(cmd_ctx);
334 target_register_timer_callback(handle_target, 100, 1, NULL);
337 if (startup_mode == DAEMON_RESET)
338 target_process_reset(cmd_ctx);
343 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
345 target_event_callback_t **callbacks_p = &target_event_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_event_callback_t));
360 (*callbacks_p)->callback = callback;
361 (*callbacks_p)->priv = priv;
362 (*callbacks_p)->next = NULL;
367 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
369 target_timer_callback_t **callbacks_p = &target_timer_callbacks;
372 if (callback == NULL)
374 return ERROR_INVALID_ARGUMENTS;
379 while ((*callbacks_p)->next)
380 callbacks_p = &((*callbacks_p)->next);
381 callbacks_p = &((*callbacks_p)->next);
384 (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
385 (*callbacks_p)->callback = callback;
386 (*callbacks_p)->periodic = periodic;
387 (*callbacks_p)->time_ms = time_ms;
389 gettimeofday(&now, NULL);
390 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
391 time_ms -= (time_ms % 1000);
392 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
393 if ((*callbacks_p)->when.tv_usec > 1000000)
395 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
396 (*callbacks_p)->when.tv_sec += 1;
399 (*callbacks_p)->priv = priv;
400 (*callbacks_p)->next = NULL;
405 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
407 target_event_callback_t **p = &target_event_callbacks;
408 target_event_callback_t *c = target_event_callbacks;
410 if (callback == NULL)
412 return ERROR_INVALID_ARGUMENTS;
417 target_event_callback_t *next = c->next;
418 if ((c->callback == callback) && (c->priv == priv))
432 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
434 target_timer_callback_t **p = &target_timer_callbacks;
435 target_timer_callback_t *c = target_timer_callbacks;
437 if (callback == NULL)
439 return ERROR_INVALID_ARGUMENTS;
444 target_timer_callback_t *next = c->next;
445 if ((c->callback == callback) && (c->priv == priv))
459 int target_call_event_callbacks(target_t *target, enum target_event event)
461 target_event_callback_t *callback = target_event_callbacks;
462 target_event_callback_t *next_callback;
464 DEBUG("target event %i", event);
468 next_callback = callback->next;
469 callback->callback(target, event, callback->priv);
470 callback = next_callback;
476 int target_call_timer_callbacks()
478 target_timer_callback_t *callback = target_timer_callbacks;
479 target_timer_callback_t *next_callback;
482 gettimeofday(&now, NULL);
486 next_callback = callback->next;
488 if (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
489 || (now.tv_sec > callback->when.tv_sec))
491 callback->callback(callback->priv);
492 if (callback->periodic)
494 int time_ms = callback->time_ms;
495 callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
496 time_ms -= (time_ms % 1000);
497 callback->when.tv_sec = now.tv_sec + time_ms / 1000;
498 if (callback->when.tv_usec > 1000000)
500 callback->when.tv_usec = callback->when.tv_usec - 1000000;
501 callback->when.tv_sec += 1;
505 target_unregister_timer_callback(callback->callback, callback->priv);
508 callback = next_callback;
514 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
516 working_area_t *c = target->working_areas;
517 working_area_t *new_wa = NULL;
519 /* only allocate multiples of 4 byte */
522 ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
523 size = CEIL(size, 4);
526 /* see if there's already a matching working area */
529 if ((c->free) && (c->size == size))
537 /* if not, allocate a new one */
540 working_area_t **p = &target->working_areas;
541 u32 first_free = target->working_area;
542 u32 free_size = target->working_area_size;
544 DEBUG("allocating new working area");
546 c = target->working_areas;
549 first_free += c->size;
550 free_size -= c->size;
555 if (free_size < size)
557 WARNING("not enough working area available");
558 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
561 new_wa = malloc(sizeof(working_area_t));
564 new_wa->address = first_free;
566 if (target->backup_working_area)
568 new_wa->backup = malloc(new_wa->size);
569 target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup);
573 new_wa->backup = NULL;
576 /* put new entry in list */
580 /* mark as used, and return the new (reused) area */
590 int target_free_working_area(struct target_s *target, working_area_t *area)
595 if (target->backup_working_area)
596 target->type->write_memory(target, area->address, 4, area->size / 4, area->backup);
600 /* mark user pointer invalid */
607 int target_free_all_working_areas(struct target_s *target)
609 working_area_t *c = target->working_areas;
613 working_area_t *next = c->next;
614 target_free_working_area(target, c);
624 target->working_areas = NULL;
629 int target_register_commands(struct command_context_s *cmd_ctx)
631 register_command(cmd_ctx, NULL, "target", handle_target_command, COMMAND_CONFIG, NULL);
632 register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL);
633 register_command(cmd_ctx, NULL, "daemon_startup", handle_daemon_startup_command, COMMAND_CONFIG, NULL);
634 register_command(cmd_ctx, NULL, "target_script", handle_target_script_command, COMMAND_CONFIG, NULL);
635 register_command(cmd_ctx, NULL, "run_and_halt_time", handle_run_and_halt_time_command, COMMAND_CONFIG, NULL);
636 register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_CONFIG, NULL);
641 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
645 DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
647 /* handle writes of less than 4 byte */
650 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
654 /* handle unaligned head bytes */
657 int unaligned = 4 - (address % 4);
659 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
663 address += unaligned;
667 /* handle aligned words */
670 int aligned = size - (size % 4);
672 /* use bulk writes above a certain limit. This may have to be changed */
675 if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
680 if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
689 /* handle tail writes of less than 4 bytes */
692 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
699 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
703 DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
705 /* handle reads of less than 4 byte */
708 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
712 /* handle unaligned head bytes */
715 int unaligned = 4 - (address % 4);
717 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
721 address += unaligned;
725 /* handle aligned words */
728 int aligned = size - (size % 4);
730 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
738 /* handle tail writes of less than 4 bytes */
741 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
748 int target_read_u32(struct target_s *target, u32 address, u32 *value)
752 int retval = target->type->read_memory(target, address, 4, 1, value_buf);
754 if (retval == ERROR_OK)
756 *value = target_buffer_get_u32(target, value_buf);
757 DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
762 DEBUG("address: 0x%8.8x failed", address);
768 int target_read_u16(struct target_s *target, u32 address, u16 *value)
772 int retval = target->type->read_memory(target, address, 2, 1, value_buf);
774 if (retval == ERROR_OK)
776 *value = target_buffer_get_u16(target, value_buf);
777 DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
782 DEBUG("address: 0x%8.8x failed", address);
788 int target_read_u8(struct target_s *target, u32 address, u8 *value)
790 int retval = target->type->read_memory(target, address, 1, 1, value);
792 if (retval == ERROR_OK)
794 DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
799 DEBUG("address: 0x%8.8x failed", address);
805 int target_write_u32(struct target_s *target, u32 address, u32 value)
810 DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
812 target_buffer_set_u32(target, value_buf, value);
813 if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
815 DEBUG("failed: %i", retval);
821 int target_write_u16(struct target_s *target, u32 address, u16 value)
826 DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
828 target_buffer_set_u16(target, value_buf, value);
829 if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
831 DEBUG("failed: %i", retval);
837 int target_write_u8(struct target_s *target, u32 address, u8 value)
841 DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
843 if ((retval = target->type->read_memory(target, address, 1, 1, &value)) != ERROR_OK)
845 DEBUG("failed: %i", retval);
851 int target_register_user_commands(struct command_context_s *cmd_ctx)
853 register_command(cmd_ctx, NULL, "reg", handle_reg_command, COMMAND_EXEC, NULL);
854 register_command(cmd_ctx, NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
855 register_command(cmd_ctx, NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
856 register_command(cmd_ctx, NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
857 register_command(cmd_ctx, NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
858 register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction");
859 register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init|run_and_halt|run_and_init]");
860 register_command(cmd_ctx, NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
862 register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
863 register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
864 register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
866 register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value>");
867 register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value>");
868 register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value>");
870 register_command(cmd_ctx, NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
871 register_command(cmd_ctx, NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
872 register_command(cmd_ctx, NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
873 register_command(cmd_ctx, NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
875 register_command(cmd_ctx, NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex']");
876 register_command(cmd_ctx, NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
877 register_command(cmd_ctx, NULL, "load_binary", handle_load_image_command, COMMAND_EXEC, "[DEPRECATED] load_binary <file> <address>");
878 register_command(cmd_ctx, NULL, "dump_binary", handle_dump_image_command, COMMAND_EXEC, "[DEPRECATED] dump_binary <file> <address> <size>");
883 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
885 target_t *target = targets;
890 int num = strtoul(args[0], NULL, 0);
895 target = target->next;
899 cmd_ctx->current_target = num;
901 command_print(cmd_ctx, "%i is out of bounds, only %i targets are configured", num, count);
908 command_print(cmd_ctx, "%i: %s (%s), state: %s", count++, target->type->name, target_endianess_strings[target->endianness], target_state_strings[target->state]);
909 target = target->next;
915 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
922 ERROR("target command requires at least three arguments: <type> <endianess> <reset_mode>");
926 /* search for the specified target */
927 if (args[0] && (args[0][0] != 0))
929 for (i = 0; target_types[i]; i++)
931 if (strcmp(args[0], target_types[i]->name) == 0)
933 target_t **last_target_p = &targets;
935 /* register target specific commands */
936 if (target_types[i]->register_commands(cmd_ctx) != ERROR_OK)
938 ERROR("couldn't register '%s' commands", args[0]);
944 while ((*last_target_p)->next)
945 last_target_p = &((*last_target_p)->next);
946 last_target_p = &((*last_target_p)->next);
949 *last_target_p = malloc(sizeof(target_t));
951 (*last_target_p)->type = target_types[i];
953 if (strcmp(args[1], "big") == 0)
954 (*last_target_p)->endianness = TARGET_BIG_ENDIAN;
955 else if (strcmp(args[1], "little") == 0)
956 (*last_target_p)->endianness = TARGET_LITTLE_ENDIAN;
959 ERROR("endianness must be either 'little' or 'big', not '%s'", args[1]);
963 /* what to do on a target reset */
964 if (strcmp(args[2], "reset_halt") == 0)
965 (*last_target_p)->reset_mode = RESET_HALT;
966 else if (strcmp(args[2], "reset_run") == 0)
967 (*last_target_p)->reset_mode = RESET_RUN;
968 else if (strcmp(args[2], "reset_init") == 0)
969 (*last_target_p)->reset_mode = RESET_INIT;
970 else if (strcmp(args[2], "run_and_halt") == 0)
971 (*last_target_p)->reset_mode = RESET_RUN_AND_HALT;
972 else if (strcmp(args[2], "run_and_init") == 0)
973 (*last_target_p)->reset_mode = RESET_RUN_AND_INIT;
976 ERROR("unknown target startup mode %s", args[2]);
979 (*last_target_p)->run_and_halt_time = 1000; /* default 1s */
981 (*last_target_p)->reset_script = NULL;
982 (*last_target_p)->post_halt_script = NULL;
983 (*last_target_p)->pre_resume_script = NULL;
985 (*last_target_p)->working_area = 0x0;
986 (*last_target_p)->working_area_size = 0x0;
987 (*last_target_p)->working_areas = NULL;
988 (*last_target_p)->backup_working_area = 0;
990 (*last_target_p)->state = TARGET_UNKNOWN;
991 (*last_target_p)->reg_cache = NULL;
992 (*last_target_p)->breakpoints = NULL;
993 (*last_target_p)->watchpoints = NULL;
994 (*last_target_p)->next = NULL;
995 (*last_target_p)->arch_info = NULL;
997 (*last_target_p)->type->target_command(cmd_ctx, cmd, args, argc, *last_target_p);
1005 /* no matching target found */
1008 ERROR("target '%s' not found", args[0]);
1015 /* usage: target_script <target#> <event> <script_file> */
1016 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1018 target_t *target = NULL;
1022 ERROR("incomplete target_script command");
1026 target = get_target_by_num(strtoul(args[0], NULL, 0));
1030 ERROR("target number '%s' not defined", args[0]);
1034 if (strcmp(args[1], "reset") == 0)
1036 if (target->reset_script)
1037 free(target->reset_script);
1038 target->reset_script = strdup(args[2]);
1040 else if (strcmp(args[1], "post_halt") == 0)
1042 if (target->post_halt_script)
1043 free(target->post_halt_script);
1044 target->post_halt_script = strdup(args[2]);
1046 else if (strcmp(args[1], "pre_resume") == 0)
1048 if (target->pre_resume_script)
1049 free(target->pre_resume_script);
1050 target->pre_resume_script = strdup(args[2]);
1054 ERROR("unknown event type: '%s", args[1]);
1061 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1063 target_t *target = NULL;
1067 ERROR("incomplete run_and_halt_time command");
1071 target = get_target_by_num(strtoul(args[0], NULL, 0));
1075 ERROR("target number '%s' not defined", args[0]);
1079 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1084 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1086 target_t *target = NULL;
1090 ERROR("incomplete working_area command. usage: working_area <target#> <address> <size> <'backup'|'nobackup'>");
1094 target = get_target_by_num(strtoul(args[0], NULL, 0));
1098 ERROR("target number '%s' not defined", args[0]);
1102 target->working_area = strtoul(args[1], NULL, 0);
1103 target->working_area_size = strtoul(args[2], NULL, 0);
1105 if (strcmp(args[3], "backup") == 0)
1107 target->backup_working_area = 1;
1109 else if (strcmp(args[3], "nobackup") == 0)
1111 target->backup_working_area = 0;
1115 ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
1123 /* process target state changes */
1124 int handle_target(void *priv)
1127 target_t *target = targets;
1131 /* only poll if target isn't already halted */
1132 if (target->state != TARGET_HALTED)
1134 if (target_continous_poll)
1135 if ((retval = target->type->poll(target)) < 0)
1137 ERROR("couldn't poll target, exiting");
1142 target = target->next;
1148 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1157 target = get_current_target(cmd_ctx);
1159 /* list all available registers for the current target */
1162 reg_cache_t *cache = target->reg_cache;
1168 for (i = 0; i < cache->num_regs; i++)
1170 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1171 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);
1174 cache = cache->next;
1180 /* access a single register by its ordinal number */
1181 if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1183 int num = strtoul(args[0], NULL, 0);
1184 reg_cache_t *cache = target->reg_cache;
1190 for (i = 0; i < cache->num_regs; i++)
1194 reg = &cache->reg_list[i];
1200 cache = cache->next;
1205 command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1208 } else /* access a single register by its name */
1210 reg = register_get_by_name(target->reg_cache, args[0], 1);
1214 command_print(cmd_ctx, "register %s not found in current target", args[0]);
1219 /* display a register */
1220 if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1222 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1225 if (reg->valid == 0)
1227 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1228 if (arch_type == NULL)
1230 ERROR("BUG: encountered unregistered arch type");
1233 arch_type->get(reg);
1235 value = buf_to_str(reg->value, reg->size, 16);
1236 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1241 /* set register value */
1244 u8 *buf = malloc(CEIL(reg->size, 8));
1245 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1247 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1248 if (arch_type == NULL)
1250 ERROR("BUG: encountered unregistered arch type");
1254 arch_type->set(reg, buf);
1256 value = buf_to_str(reg->value, reg->size, 16);
1257 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1265 command_print(cmd_ctx, "usage: reg <#|name> [value]");
1270 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1272 target_t *target = get_current_target(cmd_ctx);
1277 command_print(cmd_ctx, "target state: %s", target_state_strings[target->type->poll(target)]);
1278 if (target->state == TARGET_HALTED)
1280 target->type->arch_state(target, buffer, 512);
1282 command_print(cmd_ctx, "%s", buffer);
1287 if (strcmp(args[0], "on") == 0)
1289 target_continous_poll = 1;
1291 else if (strcmp(args[0], "off") == 0)
1293 target_continous_poll = 0;
1301 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1303 target_t *target = get_current_target(cmd_ctx);
1304 struct timeval timeout, now;
1306 gettimeofday(&timeout, NULL);
1308 timeval_add_time(&timeout, 5, 0);
1312 timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
1314 command_print(cmd_ctx, "usage: wait_halt [seconds]");
1319 command_print(cmd_ctx, "waiting for target halted...");
1321 while(target->type->poll(target))
1323 if (target->state == TARGET_HALTED)
1325 command_print(cmd_ctx, "target halted");
1328 target_call_timer_callbacks();
1330 gettimeofday(&now, NULL);
1331 if ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec))
1333 command_print(cmd_ctx, "timed out while waiting for target halt");
1334 ERROR("timed out while waiting for target halt");
1342 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1345 target_t *target = get_current_target(cmd_ctx);
1349 command_print(cmd_ctx, "requesting target halt...");
1351 if ((retval = target->type->halt(target)) != ERROR_OK)
1355 case ERROR_TARGET_ALREADY_HALTED:
1356 command_print(cmd_ctx, "target already halted");
1358 case ERROR_TARGET_TIMEOUT:
1359 command_print(cmd_ctx, "target timed out... shutting down");
1362 command_print(cmd_ctx, "unknown error... shutting down");
1371 /* what to do on daemon startup */
1372 int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1376 if (strcmp(args[0], "attach") == 0)
1378 startup_mode = DAEMON_ATTACH;
1381 else if (strcmp(args[0], "reset") == 0)
1383 startup_mode = DAEMON_RESET;
1388 WARNING("invalid daemon_startup configuration directive: %s", args[0]);
1393 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1395 target_t *target = get_current_target(cmd_ctx);
1398 command_print(cmd_ctx, "requesting target halt and executing a soft reset");
1400 if ((retval = target->type->soft_reset_halt(target)) != ERROR_OK)
1404 case ERROR_TARGET_TIMEOUT:
1405 command_print(cmd_ctx, "target timed out... shutting down");
1408 command_print(cmd_ctx, "unknown error... shutting down");
1416 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1418 target_t *target = get_current_target(cmd_ctx);
1419 enum target_reset_mode reset_mode = RESET_RUN;
1425 if (strcmp("run", args[0]) == 0)
1426 reset_mode = RESET_RUN;
1427 else if (strcmp("halt", args[0]) == 0)
1428 reset_mode = RESET_HALT;
1429 else if (strcmp("init", args[0]) == 0)
1430 reset_mode = RESET_INIT;
1431 else if (strcmp("run_and_halt", args[0]) == 0)
1433 reset_mode = RESET_RUN_AND_HALT;
1436 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1439 else if (strcmp("run_and_init", args[0]) == 0)
1441 reset_mode = RESET_RUN_AND_INIT;
1444 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1449 command_print(cmd_ctx, "usage: reset ['run', 'halt', 'init', 'run_and_halt', 'run_and_init]");
1452 target->reset_mode = reset_mode;
1455 target_process_reset(cmd_ctx);
1460 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1463 target_t *target = get_current_target(cmd_ctx);
1468 retval = target->type->resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1470 retval = target->type->resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1473 command_print(cmd_ctx, "usage: resume [address]");
1477 if (retval != ERROR_OK)
1481 case ERROR_TARGET_NOT_HALTED:
1482 command_print(cmd_ctx, "target not halted");
1485 command_print(cmd_ctx, "unknown error... shutting down");
1493 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1495 target_t *target = get_current_target(cmd_ctx);
1500 target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1503 target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1508 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1521 target_t *target = get_current_target(cmd_ctx);
1527 count = strtoul(args[1], NULL, 0);
1529 address = strtoul(args[0], NULL, 0);
1547 buffer = calloc(count, size);
1548 if ((retval = target->type->read_memory(target, address, size, count, buffer)) != ERROR_OK)
1552 case ERROR_TARGET_UNALIGNED_ACCESS:
1553 command_print(cmd_ctx, "error: address not aligned");
1555 case ERROR_TARGET_NOT_HALTED:
1556 command_print(cmd_ctx, "error: target must be halted for memory accesses");
1558 case ERROR_TARGET_DATA_ABORT:
1559 command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
1562 command_print(cmd_ctx, "error: unknown error");
1570 for (i = 0; i < count; i++)
1573 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1578 output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1581 output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1584 output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1588 if ((i%8 == 7) || (i == count - 1))
1590 command_print(cmd_ctx, output);
1600 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1605 target_t *target = get_current_target(cmd_ctx);
1611 address = strtoul(args[0], NULL, 0);
1612 value = strtoul(args[1], NULL, 0);
1617 target_buffer_set_u32(target, value_buf, value);
1618 retval = target->type->write_memory(target, address, 4, 1, value_buf);
1621 target_buffer_set_u16(target, value_buf, value);
1622 retval = target->type->write_memory(target, address, 2, 1, value_buf);
1625 value_buf[0] = value;
1626 retval = target->type->write_memory(target, address, 1, 1, value_buf);
1634 case ERROR_TARGET_UNALIGNED_ACCESS:
1635 command_print(cmd_ctx, "error: address not aligned");
1637 case ERROR_TARGET_DATA_ABORT:
1638 command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
1640 case ERROR_TARGET_NOT_HALTED:
1641 command_print(cmd_ctx, "error: target must be halted for memory accesses");
1646 command_print(cmd_ctx, "error: unknown error");
1654 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1662 enum fileio_pri_type pri_type = FILEIO_IMAGE;
1663 fileio_image_t image_info;
1664 enum fileio_sec_type sec_type;
1666 duration_t duration;
1667 char *duration_text;
1669 target_t *target = get_current_target(cmd_ctx);
1673 command_print(cmd_ctx, "usage: load_image <filename> <address> [type]");
1677 memset(&file, 0, sizeof(fileio_t));
1678 fileio_identify_image_type(&sec_type, (argc == 3) ? args[2] : NULL);
1680 image_info.base_address = strtoul(args[1], NULL, 0);
1681 image_info.has_start_address = 0;
1683 buffer = malloc(128 * 1024);
1685 duration_start_measure(&duration);
1687 if (fileio_open(&file, args[0], FILEIO_READ,
1688 pri_type, &image_info, sec_type) != ERROR_OK)
1690 command_print(cmd_ctx, "load_image error: %s", file.error_str);
1694 binary_size = file.size;
1695 address = image_info.base_address;
1696 while ((binary_size > 0) &&
1697 (fileio_read(&file, 128 * 1024, buffer, &buf_cnt) == ERROR_OK))
1699 target_write_buffer(target, address, buf_cnt, buffer);
1701 binary_size -= buf_cnt;
1706 duration_stop_measure(&duration, &duration_text);
1707 command_print(cmd_ctx, "downloaded %lli byte in %s", file.size, duration_text);
1708 free(duration_text);
1710 fileio_close(&file);
1716 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1719 fileio_image_t image_info;
1725 duration_t duration;
1726 char *duration_text;
1728 target_t *target = get_current_target(cmd_ctx);
1732 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
1736 address = strtoul(args[1], NULL, 0);
1737 size = strtoul(args[2], NULL, 0);
1739 if ((address & 3) || (size & 3))
1741 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
1745 image_info.base_address = address;
1746 image_info.has_start_address = 0;
1748 if (fileio_open(&file, args[0], FILEIO_WRITE,
1749 FILEIO_IMAGE, &image_info, FILEIO_PLAIN) != ERROR_OK)
1751 command_print(cmd_ctx, "dump_image error: %s", file.error_str);
1755 duration_start_measure(&duration);
1760 u32 this_run_size = (size > 560) ? 560 : size;
1762 target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
1763 fileio_write(&file, this_run_size, buffer, &size_written);
1765 size -= this_run_size;
1766 address += this_run_size;
1769 fileio_close(&file);
1771 duration_stop_measure(&duration, &duration_text);
1772 command_print(cmd_ctx, "dumped %lli byte in %s", file.size, duration_text);
1773 free(duration_text);
1779 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1782 target_t *target = get_current_target(cmd_ctx);
1786 breakpoint_t *breakpoint = target->breakpoints;
1790 if (breakpoint->type == BKPT_SOFT)
1792 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
1793 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
1798 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
1800 breakpoint = breakpoint->next;
1808 length = strtoul(args[1], NULL, 0);
1811 if (strcmp(args[2], "hw") == 0)
1814 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
1818 case ERROR_TARGET_NOT_HALTED:
1819 command_print(cmd_ctx, "target must be halted to set breakpoints");
1821 case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
1822 command_print(cmd_ctx, "no more breakpoints available");
1825 command_print(cmd_ctx, "unknown error, breakpoint not set");
1831 command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
1836 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
1842 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1844 target_t *target = get_current_target(cmd_ctx);
1847 breakpoint_remove(target, strtoul(args[0], NULL, 0));
1852 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1854 target_t *target = get_current_target(cmd_ctx);
1858 watchpoint_t *watchpoint = target->watchpoints;
1862 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);
1863 watchpoint = watchpoint->next;
1868 enum watchpoint_rw type = WPT_ACCESS;
1869 u32 data_value = 0x0;
1870 u32 data_mask = 0xffffffff;
1886 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
1892 data_value = strtoul(args[3], NULL, 0);
1896 data_mask = strtoul(args[4], NULL, 0);
1898 watchpoint_add(target, strtoul(args[0], NULL, 0), strtoul(args[1], NULL, 0), type, data_value, data_mask);
1902 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
1908 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1910 target_t *target = get_current_target(cmd_ctx);
1913 watchpoint_remove(target, strtoul(args[0], NULL, 0));