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"
26 #include "target_request.h"
29 #include "configuration.h"
30 #include "binarybuffer.h"
37 #include <sys/types.h>
45 #include <time_support.h>
50 int cli_target_callback_event_handler(struct target_s *target, enum target_event event, void *priv);
52 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
53 int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
54 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
56 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
57 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
58 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
60 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
61 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
62 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
63 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
64 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
65 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
66 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
67 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
68 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
69 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
70 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
71 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
72 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
73 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
74 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
75 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
76 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
80 extern target_type_t arm7tdmi_target;
81 extern target_type_t arm720t_target;
82 extern target_type_t arm9tdmi_target;
83 extern target_type_t arm920t_target;
84 extern target_type_t arm966e_target;
85 extern target_type_t arm926ejs_target;
86 extern target_type_t xscale_target;
87 extern target_type_t cortexm3_target;
89 target_type_t *target_types[] =
102 target_t *targets = NULL;
103 target_event_callback_t *target_event_callbacks = NULL;
104 target_timer_callback_t *target_timer_callbacks = NULL;
106 char *target_state_strings[] =
115 char *target_debug_reason_strings[] =
117 "debug request", "breakpoint", "watchpoint",
118 "watchpoint and breakpoint", "single step",
122 char *target_endianess_strings[] =
128 enum daemon_startup_mode startup_mode = DAEMON_ATTACH;
130 static int target_continous_poll = 1;
132 /* read a u32 from a buffer in target memory endianness */
133 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
135 if (target->endianness == TARGET_LITTLE_ENDIAN)
136 return le_to_h_u32(buffer);
138 return be_to_h_u32(buffer);
141 /* read a u16 from a buffer in target memory endianness */
142 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
144 if (target->endianness == TARGET_LITTLE_ENDIAN)
145 return le_to_h_u16(buffer);
147 return be_to_h_u16(buffer);
150 /* write a u32 to a buffer in target memory endianness */
151 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
153 if (target->endianness == TARGET_LITTLE_ENDIAN)
154 h_u32_to_le(buffer, value);
156 h_u32_to_be(buffer, value);
159 /* write a u16 to a buffer in target memory endianness */
160 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
162 if (target->endianness == TARGET_LITTLE_ENDIAN)
163 h_u16_to_le(buffer, value);
165 h_u16_to_be(buffer, value);
168 /* returns a pointer to the n-th configured target */
169 target_t* get_target_by_num(int num)
171 target_t *target = targets;
178 target = target->next;
185 int get_num_by_target(target_t *query_target)
187 target_t *target = targets;
192 if (target == query_target)
194 target = target->next;
201 target_t* get_current_target(command_context_t *cmd_ctx)
203 target_t *target = get_target_by_num(cmd_ctx->current_target);
207 ERROR("BUG: current_target out of bounds");
214 /* Process target initialization, when target entered debug out of reset
215 * the handler is unregistered at the end of this function, so it's only called once
217 int target_init_handler(struct target_s *target, enum target_event event, void *priv)
220 struct command_context_s *cmd_ctx = priv;
222 if ((event == TARGET_EVENT_HALTED) && (target->reset_script))
224 target_unregister_event_callback(target_init_handler, priv);
226 script = fopen(target->reset_script, "r");
229 ERROR("couldn't open script file %s", target->reset_script);
233 INFO("executing reset script '%s'", target->reset_script);
234 command_run_file(cmd_ctx, script, COMMAND_EXEC);
237 jtag_execute_queue();
243 int target_run_and_halt_handler(void *priv)
245 target_t *target = priv;
247 target->type->halt(target);
252 int target_process_reset(struct command_context_s *cmd_ctx)
254 int retval = ERROR_OK;
257 /* prepare reset_halt where necessary */
261 switch (target->reset_mode)
265 target->type->prepare_reset_halt(target);
270 target = target->next;
276 target->type->assert_reset(target);
277 target = target->next;
279 jtag_execute_queue();
281 /* request target halt if necessary, and schedule further action */
285 switch (target->reset_mode)
288 /* nothing to do if target just wants to be run */
290 case RESET_RUN_AND_HALT:
292 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
294 case RESET_RUN_AND_INIT:
296 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
297 target_register_event_callback(target_init_handler, cmd_ctx);
300 target->type->halt(target);
303 target->type->halt(target);
304 target_register_event_callback(target_init_handler, cmd_ctx);
307 ERROR("BUG: unknown target->reset_mode");
309 target = target->next;
315 target->type->deassert_reset(target);
317 switch (target->reset_mode)
321 // If we're already halted, then this is harmless(reducing # of execution paths here)
322 // If nSRST & nTRST are tied together then the halt during reset failed(logged) and
323 // we use this as fallback(there is no other output to tell the user that reset halt
325 target->type->poll(target);
326 target->type->halt(target);
333 target = target->next;
335 jtag_execute_queue();
340 int target_init(struct command_context_s *cmd_ctx)
342 target_t *target = targets;
346 if (target->type->init_target(cmd_ctx, target) != ERROR_OK)
348 ERROR("target '%s' init failed", target->type->name);
351 target = target->next;
356 target_register_user_commands(cmd_ctx);
357 target_register_timer_callback(handle_target, 100, 1, NULL);
360 if (startup_mode == DAEMON_RESET)
361 target_process_reset(cmd_ctx);
366 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
368 target_event_callback_t **callbacks_p = &target_event_callbacks;
370 if (callback == NULL)
372 return ERROR_INVALID_ARGUMENTS;
377 while ((*callbacks_p)->next)
378 callbacks_p = &((*callbacks_p)->next);
379 callbacks_p = &((*callbacks_p)->next);
382 (*callbacks_p) = malloc(sizeof(target_event_callback_t));
383 (*callbacks_p)->callback = callback;
384 (*callbacks_p)->priv = priv;
385 (*callbacks_p)->next = NULL;
390 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
392 target_timer_callback_t **callbacks_p = &target_timer_callbacks;
395 if (callback == NULL)
397 return ERROR_INVALID_ARGUMENTS;
402 while ((*callbacks_p)->next)
403 callbacks_p = &((*callbacks_p)->next);
404 callbacks_p = &((*callbacks_p)->next);
407 (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
408 (*callbacks_p)->callback = callback;
409 (*callbacks_p)->periodic = periodic;
410 (*callbacks_p)->time_ms = time_ms;
412 gettimeofday(&now, NULL);
413 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
414 time_ms -= (time_ms % 1000);
415 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
416 if ((*callbacks_p)->when.tv_usec > 1000000)
418 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
419 (*callbacks_p)->when.tv_sec += 1;
422 (*callbacks_p)->priv = priv;
423 (*callbacks_p)->next = NULL;
428 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
430 target_event_callback_t **p = &target_event_callbacks;
431 target_event_callback_t *c = target_event_callbacks;
433 if (callback == NULL)
435 return ERROR_INVALID_ARGUMENTS;
440 target_event_callback_t *next = c->next;
441 if ((c->callback == callback) && (c->priv == priv))
455 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
457 target_timer_callback_t **p = &target_timer_callbacks;
458 target_timer_callback_t *c = target_timer_callbacks;
460 if (callback == NULL)
462 return ERROR_INVALID_ARGUMENTS;
467 target_timer_callback_t *next = c->next;
468 if ((c->callback == callback) && (c->priv == priv))
482 int target_call_event_callbacks(target_t *target, enum target_event event)
484 target_event_callback_t *callback = target_event_callbacks;
485 target_event_callback_t *next_callback;
487 DEBUG("target event %i", event);
491 next_callback = callback->next;
492 callback->callback(target, event, callback->priv);
493 callback = next_callback;
499 int target_call_timer_callbacks()
501 target_timer_callback_t *callback = target_timer_callbacks;
502 target_timer_callback_t *next_callback;
505 gettimeofday(&now, NULL);
509 next_callback = callback->next;
511 if (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
512 || (now.tv_sec > callback->when.tv_sec))
514 callback->callback(callback->priv);
515 if (callback->periodic)
517 int time_ms = callback->time_ms;
518 callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
519 time_ms -= (time_ms % 1000);
520 callback->when.tv_sec = now.tv_sec + time_ms / 1000;
521 if (callback->when.tv_usec > 1000000)
523 callback->when.tv_usec = callback->when.tv_usec - 1000000;
524 callback->when.tv_sec += 1;
528 target_unregister_timer_callback(callback->callback, callback->priv);
531 callback = next_callback;
537 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
539 working_area_t *c = target->working_areas;
540 working_area_t *new_wa = NULL;
542 /* only allocate multiples of 4 byte */
545 ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
546 size = CEIL(size, 4);
549 /* see if there's already a matching working area */
552 if ((c->free) && (c->size == size))
560 /* if not, allocate a new one */
563 working_area_t **p = &target->working_areas;
564 u32 first_free = target->working_area;
565 u32 free_size = target->working_area_size;
567 DEBUG("allocating new working area");
569 c = target->working_areas;
572 first_free += c->size;
573 free_size -= c->size;
578 if (free_size < size)
580 WARNING("not enough working area available");
581 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
584 new_wa = malloc(sizeof(working_area_t));
587 new_wa->address = first_free;
589 if (target->backup_working_area)
591 new_wa->backup = malloc(new_wa->size);
592 target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup);
596 new_wa->backup = NULL;
599 /* put new entry in list */
603 /* mark as used, and return the new (reused) area */
613 int target_free_working_area(struct target_s *target, working_area_t *area)
618 if (target->backup_working_area)
619 target->type->write_memory(target, area->address, 4, area->size / 4, area->backup);
623 /* mark user pointer invalid */
630 int target_free_all_working_areas(struct target_s *target)
632 working_area_t *c = target->working_areas;
636 working_area_t *next = c->next;
637 target_free_working_area(target, c);
647 target->working_areas = NULL;
652 int target_register_commands(struct command_context_s *cmd_ctx)
654 register_command(cmd_ctx, NULL, "target", handle_target_command, COMMAND_CONFIG, NULL);
655 register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL);
656 register_command(cmd_ctx, NULL, "daemon_startup", handle_daemon_startup_command, COMMAND_CONFIG, NULL);
657 register_command(cmd_ctx, NULL, "target_script", handle_target_script_command, COMMAND_CONFIG, NULL);
658 register_command(cmd_ctx, NULL, "run_and_halt_time", handle_run_and_halt_time_command, COMMAND_CONFIG, NULL);
659 register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_CONFIG, NULL);
664 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
668 DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
670 /* handle writes of less than 4 byte */
673 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
678 /* handle unaligned head bytes */
681 int unaligned = 4 - (address % 4);
683 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
687 address += unaligned;
691 /* handle aligned words */
694 int aligned = size - (size % 4);
696 /* use bulk writes above a certain limit. This may have to be changed */
699 if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
704 if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
713 /* handle tail writes of less than 4 bytes */
716 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
723 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
727 DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
729 /* handle reads of less than 4 byte */
732 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
737 /* handle unaligned head bytes */
740 int unaligned = 4 - (address % 4);
742 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
746 address += unaligned;
750 /* handle aligned words */
753 int aligned = size - (size % 4);
755 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
763 /* handle tail writes of less than 4 bytes */
766 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
773 int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc)
780 if ((retval = target->type->checksum_memory(target, address,
781 size, &checksum)) == ERROR_TARGET_RESOURCE_NOT_AVAILABLE)
783 buffer = malloc(size);
784 target_read_buffer(target, address, size, buffer);
786 /* convert to target endianess */
787 for (i = 0; i < (size/sizeof(u32)); i++)
790 target_data = target_buffer_get_u32(target, &buffer[i*sizeof(u32)]);
791 target_buffer_set_u32(target, &buffer[i*sizeof(u32)], target_data);
794 retval = image_calculate_checksum( buffer, size, &checksum );
803 int target_read_u32(struct target_s *target, u32 address, u32 *value)
807 int retval = target->type->read_memory(target, address, 4, 1, value_buf);
809 if (retval == ERROR_OK)
811 *value = target_buffer_get_u32(target, value_buf);
812 DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
817 DEBUG("address: 0x%8.8x failed", address);
823 int target_read_u16(struct target_s *target, u32 address, u16 *value)
827 int retval = target->type->read_memory(target, address, 2, 1, value_buf);
829 if (retval == ERROR_OK)
831 *value = target_buffer_get_u16(target, value_buf);
832 DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
837 DEBUG("address: 0x%8.8x failed", address);
843 int target_read_u8(struct target_s *target, u32 address, u8 *value)
845 int retval = target->type->read_memory(target, address, 1, 1, value);
847 if (retval == ERROR_OK)
849 DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
854 DEBUG("address: 0x%8.8x failed", address);
860 int target_write_u32(struct target_s *target, u32 address, u32 value)
865 DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
867 target_buffer_set_u32(target, value_buf, value);
868 if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
870 DEBUG("failed: %i", retval);
876 int target_write_u16(struct target_s *target, u32 address, u16 value)
881 DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
883 target_buffer_set_u16(target, value_buf, value);
884 if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
886 DEBUG("failed: %i", retval);
892 int target_write_u8(struct target_s *target, u32 address, u8 value)
896 DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
898 if ((retval = target->type->read_memory(target, address, 1, 1, &value)) != ERROR_OK)
900 DEBUG("failed: %i", retval);
906 int target_register_user_commands(struct command_context_s *cmd_ctx)
908 register_command(cmd_ctx, NULL, "reg", handle_reg_command, COMMAND_EXEC, NULL);
909 register_command(cmd_ctx, NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
910 register_command(cmd_ctx, NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
911 register_command(cmd_ctx, NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
912 register_command(cmd_ctx, NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
913 register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
914 register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init|run_and_halt|run_and_init]");
915 register_command(cmd_ctx, NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
917 register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
918 register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
919 register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
921 register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value>");
922 register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value>");
923 register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value>");
925 register_command(cmd_ctx, NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
926 register_command(cmd_ctx, NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
927 register_command(cmd_ctx, NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
928 register_command(cmd_ctx, NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
930 register_command(cmd_ctx, NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex'|'elf'|'s19']");
931 register_command(cmd_ctx, NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
932 register_command(cmd_ctx, NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
933 register_command(cmd_ctx, NULL, "load_binary", handle_load_image_command, COMMAND_EXEC, "[DEPRECATED] load_binary <file> <address>");
934 register_command(cmd_ctx, NULL, "dump_binary", handle_dump_image_command, COMMAND_EXEC, "[DEPRECATED] dump_binary <file> <address> <size>");
936 target_request_register_commands(cmd_ctx);
937 trace_register_commands(cmd_ctx);
942 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
944 target_t *target = targets;
949 int num = strtoul(args[0], NULL, 0);
954 target = target->next;
958 cmd_ctx->current_target = num;
960 command_print(cmd_ctx, "%i is out of bounds, only %i targets are configured", num, count);
967 command_print(cmd_ctx, "%i: %s (%s), state: %s", count++, target->type->name, target_endianess_strings[target->endianness], target_state_strings[target->state]);
968 target = target->next;
974 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
981 ERROR("target command requires at least three arguments: <type> <endianess> <reset_mode>");
985 /* search for the specified target */
986 if (args[0] && (args[0][0] != 0))
988 for (i = 0; target_types[i]; i++)
990 if (strcmp(args[0], target_types[i]->name) == 0)
992 target_t **last_target_p = &targets;
994 /* register target specific commands */
995 if (target_types[i]->register_commands(cmd_ctx) != ERROR_OK)
997 ERROR("couldn't register '%s' commands", args[0]);
1003 while ((*last_target_p)->next)
1004 last_target_p = &((*last_target_p)->next);
1005 last_target_p = &((*last_target_p)->next);
1008 *last_target_p = malloc(sizeof(target_t));
1010 (*last_target_p)->type = target_types[i];
1012 if (strcmp(args[1], "big") == 0)
1013 (*last_target_p)->endianness = TARGET_BIG_ENDIAN;
1014 else if (strcmp(args[1], "little") == 0)
1015 (*last_target_p)->endianness = TARGET_LITTLE_ENDIAN;
1018 ERROR("endianness must be either 'little' or 'big', not '%s'", args[1]);
1022 /* what to do on a target reset */
1023 if (strcmp(args[2], "reset_halt") == 0)
1024 (*last_target_p)->reset_mode = RESET_HALT;
1025 else if (strcmp(args[2], "reset_run") == 0)
1026 (*last_target_p)->reset_mode = RESET_RUN;
1027 else if (strcmp(args[2], "reset_init") == 0)
1028 (*last_target_p)->reset_mode = RESET_INIT;
1029 else if (strcmp(args[2], "run_and_halt") == 0)
1030 (*last_target_p)->reset_mode = RESET_RUN_AND_HALT;
1031 else if (strcmp(args[2], "run_and_init") == 0)
1032 (*last_target_p)->reset_mode = RESET_RUN_AND_INIT;
1035 ERROR("unknown target startup mode %s", args[2]);
1038 (*last_target_p)->run_and_halt_time = 1000; /* default 1s */
1040 (*last_target_p)->reset_script = NULL;
1041 (*last_target_p)->post_halt_script = NULL;
1042 (*last_target_p)->pre_resume_script = NULL;
1044 (*last_target_p)->working_area = 0x0;
1045 (*last_target_p)->working_area_size = 0x0;
1046 (*last_target_p)->working_areas = NULL;
1047 (*last_target_p)->backup_working_area = 0;
1049 (*last_target_p)->state = TARGET_UNKNOWN;
1050 (*last_target_p)->reg_cache = NULL;
1051 (*last_target_p)->breakpoints = NULL;
1052 (*last_target_p)->watchpoints = NULL;
1053 (*last_target_p)->next = NULL;
1054 (*last_target_p)->arch_info = NULL;
1056 /* initialize trace information */
1057 (*last_target_p)->trace_info = malloc(sizeof(trace_t));
1058 (*last_target_p)->trace_info->num_trace_points = 0;
1059 (*last_target_p)->trace_info->trace_points_size = 0;
1060 (*last_target_p)->trace_info->trace_points = NULL;
1061 (*last_target_p)->trace_info->trace_history_size = 0;
1062 (*last_target_p)->trace_info->trace_history = NULL;
1063 (*last_target_p)->trace_info->trace_history_pos = 0;
1064 (*last_target_p)->trace_info->trace_history_overflowed = 0;
1066 (*last_target_p)->dbgmsg = NULL;
1068 (*last_target_p)->type->target_command(cmd_ctx, cmd, args, argc, *last_target_p);
1076 /* no matching target found */
1079 ERROR("target '%s' not found", args[0]);
1086 /* usage: target_script <target#> <event> <script_file> */
1087 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1089 target_t *target = NULL;
1093 ERROR("incomplete target_script command");
1097 target = get_target_by_num(strtoul(args[0], NULL, 0));
1101 ERROR("target number '%s' not defined", args[0]);
1105 if (strcmp(args[1], "reset") == 0)
1107 if (target->reset_script)
1108 free(target->reset_script);
1109 target->reset_script = strdup(args[2]);
1111 else if (strcmp(args[1], "post_halt") == 0)
1113 if (target->post_halt_script)
1114 free(target->post_halt_script);
1115 target->post_halt_script = strdup(args[2]);
1117 else if (strcmp(args[1], "pre_resume") == 0)
1119 if (target->pre_resume_script)
1120 free(target->pre_resume_script);
1121 target->pre_resume_script = strdup(args[2]);
1125 ERROR("unknown event type: '%s", args[1]);
1132 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1134 target_t *target = NULL;
1138 ERROR("incomplete run_and_halt_time command");
1142 target = get_target_by_num(strtoul(args[0], NULL, 0));
1146 ERROR("target number '%s' not defined", args[0]);
1150 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1155 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1157 target_t *target = NULL;
1161 ERROR("incomplete working_area command. usage: working_area <target#> <address> <size> <'backup'|'nobackup'>");
1165 target = get_target_by_num(strtoul(args[0], NULL, 0));
1169 ERROR("target number '%s' not defined", args[0]);
1173 target->working_area = strtoul(args[1], NULL, 0);
1174 target->working_area_size = strtoul(args[2], NULL, 0);
1176 if (strcmp(args[3], "backup") == 0)
1178 target->backup_working_area = 1;
1180 else if (strcmp(args[3], "nobackup") == 0)
1182 target->backup_working_area = 0;
1186 ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
1194 /* process target state changes */
1195 int handle_target(void *priv)
1198 target_t *target = targets;
1202 /* only poll if target isn't already halted */
1203 if (target->state != TARGET_HALTED)
1205 if (target_continous_poll)
1206 if ((retval = target->type->poll(target)) < 0)
1208 ERROR("couldn't poll target. It's due for a reset.");
1212 target = target->next;
1218 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1227 target = get_current_target(cmd_ctx);
1229 /* list all available registers for the current target */
1232 reg_cache_t *cache = target->reg_cache;
1238 for (i = 0; i < cache->num_regs; i++)
1240 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1241 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);
1244 cache = cache->next;
1250 /* access a single register by its ordinal number */
1251 if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1253 int num = strtoul(args[0], NULL, 0);
1254 reg_cache_t *cache = target->reg_cache;
1260 for (i = 0; i < cache->num_regs; i++)
1264 reg = &cache->reg_list[i];
1270 cache = cache->next;
1275 command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1278 } else /* access a single register by its name */
1280 reg = register_get_by_name(target->reg_cache, args[0], 1);
1284 command_print(cmd_ctx, "register %s not found in current target", args[0]);
1289 /* display a register */
1290 if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1292 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1295 if (reg->valid == 0)
1297 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1298 if (arch_type == NULL)
1300 ERROR("BUG: encountered unregistered arch type");
1303 arch_type->get(reg);
1305 value = buf_to_str(reg->value, reg->size, 16);
1306 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1311 /* set register value */
1314 u8 *buf = malloc(CEIL(reg->size, 8));
1315 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1317 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1318 if (arch_type == NULL)
1320 ERROR("BUG: encountered unregistered arch type");
1324 arch_type->set(reg, buf);
1326 value = buf_to_str(reg->value, reg->size, 16);
1327 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1335 command_print(cmd_ctx, "usage: reg <#|name> [value]");
1340 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1342 target_t *target = get_current_target(cmd_ctx);
1347 command_print(cmd_ctx, "target state: %s", target_state_strings[target->type->poll(target)]);
1348 if (target->state == TARGET_HALTED)
1350 target->type->arch_state(target, buffer, 512);
1352 command_print(cmd_ctx, "%s", buffer);
1357 if (strcmp(args[0], "on") == 0)
1359 target_continous_poll = 1;
1361 else if (strcmp(args[0], "off") == 0)
1363 target_continous_poll = 0;
1371 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1373 target_t *target = get_current_target(cmd_ctx);
1374 struct timeval timeout, now;
1376 gettimeofday(&timeout, NULL);
1378 timeval_add_time(&timeout, 5, 0);
1382 timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
1384 command_print(cmd_ctx, "usage: wait_halt [seconds]");
1389 command_print(cmd_ctx, "waiting for target halted...");
1391 while(target->type->poll(target))
1393 if (target->state == TARGET_HALTED)
1395 command_print(cmd_ctx, "target halted");
1398 target_call_timer_callbacks();
1400 gettimeofday(&now, NULL);
1401 if ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec))
1403 command_print(cmd_ctx, "timed out while waiting for target halt");
1404 ERROR("timed out while waiting for target halt");
1412 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1415 target_t *target = get_current_target(cmd_ctx);
1419 command_print(cmd_ctx, "requesting target halt...");
1421 if ((retval = target->type->halt(target)) != ERROR_OK)
1425 case ERROR_TARGET_ALREADY_HALTED:
1426 command_print(cmd_ctx, "target already halted");
1428 case ERROR_TARGET_TIMEOUT:
1429 command_print(cmd_ctx, "target timed out... shutting down");
1432 command_print(cmd_ctx, "unknown error... shutting down");
1441 /* what to do on daemon startup */
1442 int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1446 if (strcmp(args[0], "attach") == 0)
1448 startup_mode = DAEMON_ATTACH;
1451 else if (strcmp(args[0], "reset") == 0)
1453 startup_mode = DAEMON_RESET;
1458 WARNING("invalid daemon_startup configuration directive: %s", args[0]);
1463 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1465 target_t *target = get_current_target(cmd_ctx);
1468 command_print(cmd_ctx, "requesting target halt and executing a soft reset");
1470 if ((retval = target->type->soft_reset_halt(target)) != ERROR_OK)
1474 case ERROR_TARGET_TIMEOUT:
1475 command_print(cmd_ctx, "target timed out... shutting down");
1478 command_print(cmd_ctx, "unknown error... shutting down");
1486 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1488 target_t *target = get_current_target(cmd_ctx);
1489 enum target_reset_mode reset_mode = RESET_RUN;
1495 if (strcmp("run", args[0]) == 0)
1496 reset_mode = RESET_RUN;
1497 else if (strcmp("halt", args[0]) == 0)
1498 reset_mode = RESET_HALT;
1499 else if (strcmp("init", args[0]) == 0)
1500 reset_mode = RESET_INIT;
1501 else if (strcmp("run_and_halt", args[0]) == 0)
1503 reset_mode = RESET_RUN_AND_HALT;
1506 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1509 else if (strcmp("run_and_init", args[0]) == 0)
1511 reset_mode = RESET_RUN_AND_INIT;
1514 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1519 command_print(cmd_ctx, "usage: reset ['run', 'halt', 'init', 'run_and_halt', 'run_and_init]");
1522 target->reset_mode = reset_mode;
1525 target_process_reset(cmd_ctx);
1530 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1533 target_t *target = get_current_target(cmd_ctx);
1538 retval = target->type->resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1540 retval = target->type->resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1543 command_print(cmd_ctx, "usage: resume [address]");
1547 if (retval != ERROR_OK)
1551 case ERROR_TARGET_NOT_HALTED:
1552 command_print(cmd_ctx, "target not halted");
1555 command_print(cmd_ctx, "unknown error... shutting down");
1563 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1565 target_t *target = get_current_target(cmd_ctx);
1570 target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1573 target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1578 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1591 target_t *target = get_current_target(cmd_ctx);
1597 count = strtoul(args[1], NULL, 0);
1599 address = strtoul(args[0], NULL, 0);
1617 buffer = calloc(count, size);
1618 if ((retval = target->type->read_memory(target, address, size, count, buffer)) != ERROR_OK)
1622 case ERROR_TARGET_UNALIGNED_ACCESS:
1623 command_print(cmd_ctx, "error: address not aligned");
1625 case ERROR_TARGET_NOT_HALTED:
1626 command_print(cmd_ctx, "error: target must be halted for memory accesses");
1628 case ERROR_TARGET_DATA_ABORT:
1629 command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
1632 command_print(cmd_ctx, "error: unknown error");
1640 for (i = 0; i < count; i++)
1643 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1648 output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1651 output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1654 output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1658 if ((i%8 == 7) || (i == count - 1))
1660 command_print(cmd_ctx, output);
1670 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1675 target_t *target = get_current_target(cmd_ctx);
1681 address = strtoul(args[0], NULL, 0);
1682 value = strtoul(args[1], NULL, 0);
1687 target_buffer_set_u32(target, value_buf, value);
1688 retval = target->type->write_memory(target, address, 4, 1, value_buf);
1691 target_buffer_set_u16(target, value_buf, value);
1692 retval = target->type->write_memory(target, address, 2, 1, value_buf);
1695 value_buf[0] = value;
1696 retval = target->type->write_memory(target, address, 1, 1, value_buf);
1704 case ERROR_TARGET_UNALIGNED_ACCESS:
1705 command_print(cmd_ctx, "error: address not aligned");
1707 case ERROR_TARGET_DATA_ABORT:
1708 command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
1710 case ERROR_TARGET_NOT_HALTED:
1711 command_print(cmd_ctx, "error: target must be halted for memory accesses");
1716 command_print(cmd_ctx, "error: unknown error");
1724 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1734 duration_t duration;
1735 char *duration_text;
1737 target_t *target = get_current_target(cmd_ctx);
1741 command_print(cmd_ctx, "usage: load_image <filename> [address] [type]");
1745 /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
1748 image.base_address_set = 1;
1749 image.base_address = strtoul(args[1], NULL, 0);
1753 image.base_address_set = 0;
1756 image.start_address_set = 0;
1758 duration_start_measure(&duration);
1760 if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
1762 command_print(cmd_ctx, "load_image error: %s", image.error_str);
1767 for (i = 0; i < image.num_sections; i++)
1769 buffer = malloc(image.sections[i].size);
1770 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
1772 ERROR("image_read_section failed with error code: %i", retval);
1773 command_print(cmd_ctx, "image reading failed, download aborted");
1775 image_close(&image);
1778 target_write_buffer(target, image.sections[i].base_address, buf_cnt, buffer);
1779 image_size += buf_cnt;
1780 command_print(cmd_ctx, "%u byte written at address 0x%8.8x", buf_cnt, image.sections[i].base_address);
1785 duration_stop_measure(&duration, &duration_text);
1786 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
1787 free(duration_text);
1789 image_close(&image);
1795 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1803 duration_t duration;
1804 char *duration_text;
1806 target_t *target = get_current_target(cmd_ctx);
1810 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
1814 address = strtoul(args[1], NULL, 0);
1815 size = strtoul(args[2], NULL, 0);
1817 if ((address & 3) || (size & 3))
1819 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
1823 if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
1825 command_print(cmd_ctx, "dump_image error: %s", fileio.error_str);
1829 duration_start_measure(&duration);
1834 u32 this_run_size = (size > 560) ? 560 : size;
1836 target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
1837 fileio_write(&fileio, this_run_size, buffer, &size_written);
1839 size -= this_run_size;
1840 address += this_run_size;
1843 fileio_close(&fileio);
1845 duration_stop_measure(&duration, &duration_text);
1846 command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
1847 free(duration_text);
1853 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1861 u32 mem_checksum = 0;
1865 duration_t duration;
1866 char *duration_text;
1868 target_t *target = get_current_target(cmd_ctx);
1872 command_print(cmd_ctx, "usage: verify_image <file> [offset] [type]");
1878 ERROR("no target selected");
1882 duration_start_measure(&duration);
1886 image.base_address_set = 1;
1887 image.base_address = strtoul(args[1], NULL, 0);
1891 image.base_address_set = 0;
1892 image.base_address = 0x0;
1895 image.start_address_set = 0;
1897 if (image_open(&image, args[0], (argc == 3) ? args[2] : NULL) != ERROR_OK)
1899 command_print(cmd_ctx, "verify_image error: %s", image.error_str);
1904 for (i = 0; i < image.num_sections; i++)
1906 buffer = malloc(image.sections[i].size);
1907 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
1909 ERROR("image_read_section failed with error code: %i", retval);
1910 command_print(cmd_ctx, "image reading failed, verify aborted");
1912 image_close(&image);
1916 /* calculate checksum of image */
1917 image_calculate_checksum( buffer, buf_cnt, &checksum );
1920 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
1922 if( retval != ERROR_OK )
1924 command_print(cmd_ctx, "image verify failed, verify aborted");
1925 image_close(&image);
1929 if( checksum != mem_checksum )
1931 command_print(cmd_ctx, "image verify failed, verify aborted");
1932 image_close(&image);
1936 image_size += buf_cnt;
1939 duration_stop_measure(&duration, &duration_text);
1940 command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
1941 free(duration_text);
1943 image_close(&image);
1948 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1951 target_t *target = get_current_target(cmd_ctx);
1955 breakpoint_t *breakpoint = target->breakpoints;
1959 if (breakpoint->type == BKPT_SOFT)
1961 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
1962 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
1967 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
1969 breakpoint = breakpoint->next;
1977 length = strtoul(args[1], NULL, 0);
1980 if (strcmp(args[2], "hw") == 0)
1983 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
1987 case ERROR_TARGET_NOT_HALTED:
1988 command_print(cmd_ctx, "target must be halted to set breakpoints");
1990 case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
1991 command_print(cmd_ctx, "no more breakpoints available");
1994 command_print(cmd_ctx, "unknown error, breakpoint not set");
2000 command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
2005 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2011 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2013 target_t *target = get_current_target(cmd_ctx);
2016 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2021 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2023 target_t *target = get_current_target(cmd_ctx);
2028 watchpoint_t *watchpoint = target->watchpoints;
2032 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);
2033 watchpoint = watchpoint->next;
2038 enum watchpoint_rw type = WPT_ACCESS;
2039 u32 data_value = 0x0;
2040 u32 data_mask = 0xffffffff;
2056 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2062 data_value = strtoul(args[3], NULL, 0);
2066 data_mask = strtoul(args[4], NULL, 0);
2069 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2070 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2074 case ERROR_TARGET_NOT_HALTED:
2075 command_print(cmd_ctx, "target must be halted to set watchpoints");
2077 case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
2078 command_print(cmd_ctx, "no more watchpoints available");
2081 command_print(cmd_ctx, "unknown error, watchpoint not set");
2088 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2094 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2096 target_t *target = get_current_target(cmd_ctx);
2099 watchpoint_remove(target, strtoul(args[0], NULL, 0));