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);
53 int handle_target_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);
77 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc);
78 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
82 extern target_type_t arm7tdmi_target;
83 extern target_type_t arm720t_target;
84 extern target_type_t arm9tdmi_target;
85 extern target_type_t arm920t_target;
86 extern target_type_t arm966e_target;
87 extern target_type_t arm926ejs_target;
88 extern target_type_t feroceon_target;
89 extern target_type_t xscale_target;
90 extern target_type_t cortexm3_target;
91 extern target_type_t arm11_target;
93 target_type_t *target_types[] =
108 target_t *targets = NULL;
109 target_event_callback_t *target_event_callbacks = NULL;
110 target_timer_callback_t *target_timer_callbacks = NULL;
112 char *target_state_strings[] =
121 char *target_debug_reason_strings[] =
123 "debug request", "breakpoint", "watchpoint",
124 "watchpoint and breakpoint", "single step",
125 "target not halted", "undefined"
128 char *target_endianess_strings[] =
134 static int target_continous_poll = 1;
136 /* read a u32 from a buffer in target memory endianness */
137 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
139 if (target->endianness == TARGET_LITTLE_ENDIAN)
140 return le_to_h_u32(buffer);
142 return be_to_h_u32(buffer);
145 /* read a u16 from a buffer in target memory endianness */
146 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
148 if (target->endianness == TARGET_LITTLE_ENDIAN)
149 return le_to_h_u16(buffer);
151 return be_to_h_u16(buffer);
154 /* write a u32 to a buffer in target memory endianness */
155 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
157 if (target->endianness == TARGET_LITTLE_ENDIAN)
158 h_u32_to_le(buffer, value);
160 h_u32_to_be(buffer, value);
163 /* write a u16 to a buffer in target memory endianness */
164 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
166 if (target->endianness == TARGET_LITTLE_ENDIAN)
167 h_u16_to_le(buffer, value);
169 h_u16_to_be(buffer, value);
172 /* returns a pointer to the n-th configured target */
173 target_t* get_target_by_num(int num)
175 target_t *target = targets;
182 target = target->next;
189 int get_num_by_target(target_t *query_target)
191 target_t *target = targets;
196 if (target == query_target)
198 target = target->next;
205 target_t* get_current_target(command_context_t *cmd_ctx)
207 target_t *target = get_target_by_num(cmd_ctx->current_target);
211 LOG_ERROR("BUG: current_target out of bounds");
218 /* Process target initialization, when target entered debug out of reset
219 * the handler is unregistered at the end of this function, so it's only called once
221 int target_init_handler(struct target_s *target, enum target_event event, void *priv)
224 struct command_context_s *cmd_ctx = priv;
226 if ((event == TARGET_EVENT_HALTED) && (target->reset_script))
228 target_unregister_event_callback(target_init_handler, priv);
230 script = open_file_from_path(target->reset_script, "r");
233 LOG_ERROR("couldn't open script file %s", target->reset_script);
237 LOG_INFO("executing reset script '%s'", target->reset_script);
238 command_run_file(cmd_ctx, script, COMMAND_EXEC);
241 jtag_execute_queue();
247 int target_run_and_halt_handler(void *priv)
249 target_t *target = priv;
256 int target_poll(struct target_s *target)
258 /* We can't poll until after examine */
259 if (!target->type->examined)
261 /* Fail silently lest we pollute the log */
264 return target->type->poll(target);
267 int target_halt(struct target_s *target)
269 /* We can't poll until after examine */
270 if (!target->type->examined)
272 LOG_ERROR("Target not examined yet");
275 return target->type->halt(target);
278 int target_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution)
280 /* We can't poll until after examine */
281 if (!target->type->examined)
283 LOG_ERROR("Target not examined yet");
286 return target->type->resume(target, current, address, handle_breakpoints, debug_execution);
290 int target_process_reset(struct command_context_s *cmd_ctx)
292 int retval = ERROR_OK;
294 struct timeval timeout, now;
296 jtag->speed(jtag_speed);
298 if ((retval = jtag_init_reset(cmd_ctx)) != ERROR_OK)
301 if ((retval = target_examine(cmd_ctx)) != ERROR_OK)
304 /* prepare reset_halt where necessary */
308 if (jtag_reset_config & RESET_SRST_PULLS_TRST)
310 switch (target->reset_mode)
313 command_print(cmd_ctx, "nSRST pulls nTRST, falling back to \"reset run_and_halt\"");
314 target->reset_mode = RESET_RUN_AND_HALT;
317 command_print(cmd_ctx, "nSRST pulls nTRST, falling back to \"reset run_and_init\"");
318 target->reset_mode = RESET_RUN_AND_INIT;
324 target = target->next;
330 /* we have no idea what state the target is in, so we
331 * have to drop working areas
333 target_free_all_working_areas_restore(target, 0);
334 target->type->assert_reset(target);
335 target = target->next;
337 if ((retval = jtag_execute_queue()) != ERROR_OK)
339 LOG_WARNING("JTAG communication failed asserting reset.");
343 /* request target halt if necessary, and schedule further action */
347 switch (target->reset_mode)
350 /* nothing to do if target just wants to be run */
352 case RESET_RUN_AND_HALT:
354 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
356 case RESET_RUN_AND_INIT:
358 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
359 target_register_event_callback(target_init_handler, cmd_ctx);
366 target_register_event_callback(target_init_handler, cmd_ctx);
369 LOG_ERROR("BUG: unknown target->reset_mode");
371 target = target->next;
374 if ((retval = jtag_execute_queue()) != ERROR_OK)
376 LOG_WARNING("JTAG communication failed while reset was asserted. Consider using srst_only for reset_config.");
383 target->type->deassert_reset(target);
384 target = target->next;
387 if ((retval = jtag_execute_queue()) != ERROR_OK)
389 LOG_WARNING("JTAG communication failed while deasserting reset.");
393 LOG_DEBUG("Waiting for halted stated as approperiate");
395 /* Wait for reset to complete, maximum 5 seconds. */
396 gettimeofday(&timeout, NULL);
397 timeval_add_time(&timeout, 5, 0);
400 gettimeofday(&now, NULL);
402 target_call_timer_callbacks_now();
407 LOG_DEBUG("Polling target");
409 if ((target->reset_mode == RESET_RUN_AND_INIT) ||
410 (target->reset_mode == RESET_RUN_AND_HALT) ||
411 (target->reset_mode == RESET_HALT) ||
412 (target->reset_mode == RESET_INIT))
414 if (target->state != TARGET_HALTED)
416 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
418 LOG_USER("Timed out waiting for halt after reset");
421 /* this will send alive messages on e.g. GDB remote protocol. */
423 LOG_USER_N("%s", ""); /* avoid warning about zero length formatting message*/
427 target = target->next;
429 /* All targets we're waiting for are halted */
437 /* We want any events to be processed before the prompt */
438 target_call_timer_callbacks_now();
440 /* if we timed out we need to unregister these handlers */
444 target_unregister_timer_callback(target_run_and_halt_handler, target);
445 target = target->next;
447 target_unregister_event_callback(target_init_handler, cmd_ctx);
450 jtag->speed(jtag_speed_post_reset);
455 static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
461 static int default_mmu(struct target_s *target, int *enabled)
467 static int default_examine(struct command_context_s *cmd_ctx, struct target_s *target)
469 target->type->examined = 1;
474 /* Targets that correctly implement init+examine, i.e.
475 * no communication with target during init:
479 int target_examine(struct command_context_s *cmd_ctx)
481 int retval = ERROR_OK;
482 target_t *target = targets;
485 if ((retval = target->type->examine(cmd_ctx, target))!=ERROR_OK)
487 target = target->next;
492 static int target_write_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
494 if (!target->type->examined)
496 LOG_ERROR("Target not examined yet");
499 return target->type->write_memory_imp(target, address, size, count, buffer);
502 static int target_read_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
504 if (!target->type->examined)
506 LOG_ERROR("Target not examined yet");
509 return target->type->read_memory_imp(target, address, size, count, buffer);
512 static int target_soft_reset_halt_imp(struct target_s *target)
514 if (!target->type->examined)
516 LOG_ERROR("Target not examined yet");
519 return target->type->soft_reset_halt_imp(target);
522 static int target_run_algorithm_imp(struct target_s *target, int num_mem_params, mem_param_t *mem_params, int num_reg_params, reg_param_t *reg_param, u32 entry_point, u32 exit_point, int timeout_ms, void *arch_info)
524 if (!target->type->examined)
526 LOG_ERROR("Target not examined yet");
529 return target->type->run_algorithm_imp(target, num_mem_params, mem_params, num_reg_params, reg_param, entry_point, exit_point, timeout_ms, arch_info);
532 int target_init(struct command_context_s *cmd_ctx)
534 target_t *target = targets;
538 target->type->examined = 0;
539 if (target->type->examine == NULL)
541 target->type->examine = default_examine;
544 if (target->type->init_target(cmd_ctx, target) != ERROR_OK)
546 LOG_ERROR("target '%s' init failed", target->type->name);
550 /* Set up default functions if none are provided by target */
551 if (target->type->virt2phys == NULL)
553 target->type->virt2phys = default_virt2phys;
555 target->type->virt2phys = default_virt2phys;
556 /* a non-invasive way(in terms of patches) to add some code that
557 * runs before the type->write/read_memory implementation
559 target->type->write_memory_imp = target->type->write_memory;
560 target->type->write_memory = target_write_memory_imp;
561 target->type->read_memory_imp = target->type->read_memory;
562 target->type->read_memory = target_read_memory_imp;
563 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
564 target->type->soft_reset_halt = target_soft_reset_halt_imp;
565 target->type->run_algorithm_imp = target->type->run_algorithm;
566 target->type->run_algorithm = target_run_algorithm_imp;
569 if (target->type->mmu == NULL)
571 target->type->mmu = default_mmu;
573 target = target->next;
578 target_register_user_commands(cmd_ctx);
579 target_register_timer_callback(handle_target, 100, 1, NULL);
585 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
587 target_event_callback_t **callbacks_p = &target_event_callbacks;
589 if (callback == NULL)
591 return ERROR_INVALID_ARGUMENTS;
596 while ((*callbacks_p)->next)
597 callbacks_p = &((*callbacks_p)->next);
598 callbacks_p = &((*callbacks_p)->next);
601 (*callbacks_p) = malloc(sizeof(target_event_callback_t));
602 (*callbacks_p)->callback = callback;
603 (*callbacks_p)->priv = priv;
604 (*callbacks_p)->next = NULL;
609 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
611 target_timer_callback_t **callbacks_p = &target_timer_callbacks;
614 if (callback == NULL)
616 return ERROR_INVALID_ARGUMENTS;
621 while ((*callbacks_p)->next)
622 callbacks_p = &((*callbacks_p)->next);
623 callbacks_p = &((*callbacks_p)->next);
626 (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
627 (*callbacks_p)->callback = callback;
628 (*callbacks_p)->periodic = periodic;
629 (*callbacks_p)->time_ms = time_ms;
631 gettimeofday(&now, NULL);
632 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
633 time_ms -= (time_ms % 1000);
634 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
635 if ((*callbacks_p)->when.tv_usec > 1000000)
637 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
638 (*callbacks_p)->when.tv_sec += 1;
641 (*callbacks_p)->priv = priv;
642 (*callbacks_p)->next = NULL;
647 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
649 target_event_callback_t **p = &target_event_callbacks;
650 target_event_callback_t *c = target_event_callbacks;
652 if (callback == NULL)
654 return ERROR_INVALID_ARGUMENTS;
659 target_event_callback_t *next = c->next;
660 if ((c->callback == callback) && (c->priv == priv))
674 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
676 target_timer_callback_t **p = &target_timer_callbacks;
677 target_timer_callback_t *c = target_timer_callbacks;
679 if (callback == NULL)
681 return ERROR_INVALID_ARGUMENTS;
686 target_timer_callback_t *next = c->next;
687 if ((c->callback == callback) && (c->priv == priv))
701 int target_call_event_callbacks(target_t *target, enum target_event event)
703 target_event_callback_t *callback = target_event_callbacks;
704 target_event_callback_t *next_callback;
706 LOG_DEBUG("target event %i", event);
710 next_callback = callback->next;
711 callback->callback(target, event, callback->priv);
712 callback = next_callback;
718 static int target_call_timer_callbacks_check_time(int checktime)
720 target_timer_callback_t *callback = target_timer_callbacks;
721 target_timer_callback_t *next_callback;
724 gettimeofday(&now, NULL);
728 next_callback = callback->next;
730 if ((!checktime&&callback->periodic)||
731 (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
732 || (now.tv_sec > callback->when.tv_sec)))
734 callback->callback(callback->priv);
735 if (callback->periodic)
737 int time_ms = callback->time_ms;
738 callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
739 time_ms -= (time_ms % 1000);
740 callback->when.tv_sec = now.tv_sec + time_ms / 1000;
741 if (callback->when.tv_usec > 1000000)
743 callback->when.tv_usec = callback->when.tv_usec - 1000000;
744 callback->when.tv_sec += 1;
748 target_unregister_timer_callback(callback->callback, callback->priv);
751 callback = next_callback;
757 int target_call_timer_callbacks()
759 return target_call_timer_callbacks_check_time(1);
762 /* invoke periodic callbacks immediately */
763 int target_call_timer_callbacks_now()
765 return target_call_timer_callbacks(0);
769 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
771 working_area_t *c = target->working_areas;
772 working_area_t *new_wa = NULL;
774 /* Reevaluate working area address based on MMU state*/
775 if (target->working_areas == NULL)
779 retval = target->type->mmu(target, &enabled);
780 if (retval != ERROR_OK)
786 target->working_area = target->working_area_virt;
790 target->working_area = target->working_area_phys;
794 /* only allocate multiples of 4 byte */
797 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
798 size = CEIL(size, 4);
801 /* see if there's already a matching working area */
804 if ((c->free) && (c->size == size))
812 /* if not, allocate a new one */
815 working_area_t **p = &target->working_areas;
816 u32 first_free = target->working_area;
817 u32 free_size = target->working_area_size;
819 LOG_DEBUG("allocating new working area");
821 c = target->working_areas;
824 first_free += c->size;
825 free_size -= c->size;
830 if (free_size < size)
832 LOG_WARNING("not enough working area available(requested %d, free %d)", size, free_size);
833 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
836 new_wa = malloc(sizeof(working_area_t));
839 new_wa->address = first_free;
841 if (target->backup_working_area)
843 new_wa->backup = malloc(new_wa->size);
844 target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup);
848 new_wa->backup = NULL;
851 /* put new entry in list */
855 /* mark as used, and return the new (reused) area */
865 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
870 if (restore&&target->backup_working_area)
871 target->type->write_memory(target, area->address, 4, area->size / 4, area->backup);
875 /* mark user pointer invalid */
882 int target_free_working_area(struct target_s *target, working_area_t *area)
884 return target_free_working_area_restore(target, area, 1);
887 int target_free_all_working_areas_restore(struct target_s *target, int restore)
889 working_area_t *c = target->working_areas;
893 working_area_t *next = c->next;
894 target_free_working_area_restore(target, c, restore);
904 target->working_areas = NULL;
909 int target_free_all_working_areas(struct target_s *target)
911 return target_free_all_working_areas_restore(target, 1);
914 int target_register_commands(struct command_context_s *cmd_ctx)
916 register_command(cmd_ctx, NULL, "target", handle_target_command, COMMAND_CONFIG, "target <cpu> [reset_init default - DEPRECATED] <chainpos> <endianness> <variant> [cpu type specifc args]");
917 register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL);
918 register_command(cmd_ctx, NULL, "target_script", handle_target_script_command, COMMAND_CONFIG, NULL);
919 register_command(cmd_ctx, NULL, "run_and_halt_time", handle_run_and_halt_time_command, COMMAND_CONFIG, "<target> <run time ms>");
920 register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_ANY, "working_area <target#> <address> <size> <'backup'|'nobackup'> [virtual address]");
921 register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "virt2phys <virtual address>");
922 register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "PRELIMINARY! - profile <seconds> <gmon.out>");
927 int target_arch_state(struct target_s *target)
932 LOG_USER("No target has been configured");
936 LOG_USER("target state: %s", target_state_strings[target->state]);
938 if (target->state!=TARGET_HALTED)
941 retval=target->type->arch_state(target);
945 /* Single aligned words are guaranteed to use 16 or 32 bit access
946 * mode respectively, otherwise data is handled as quickly as
949 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
952 if (!target->type->examined)
954 LOG_ERROR("Target not examined yet");
958 LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
960 if (((address % 2) == 0) && (size == 2))
962 return target->type->write_memory(target, address, 2, 1, buffer);
965 /* handle unaligned head bytes */
968 int unaligned = 4 - (address % 4);
970 if (unaligned > size)
973 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
977 address += unaligned;
981 /* handle aligned words */
984 int aligned = size - (size % 4);
986 /* use bulk writes above a certain limit. This may have to be changed */
989 if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
994 if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1003 /* handle tail writes of less than 4 bytes */
1006 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1014 /* Single aligned words are guaranteed to use 16 or 32 bit access
1015 * mode respectively, otherwise data is handled as quickly as
1018 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
1021 if (!target->type->examined)
1023 LOG_ERROR("Target not examined yet");
1027 LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
1029 if (((address % 2) == 0) && (size == 2))
1031 return target->type->read_memory(target, address, 2, 1, buffer);
1034 /* handle unaligned head bytes */
1037 int unaligned = 4 - (address % 4);
1039 if (unaligned > size)
1042 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1045 buffer += unaligned;
1046 address += unaligned;
1050 /* handle aligned words */
1053 int aligned = size - (size % 4);
1055 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1063 /* handle tail writes of less than 4 bytes */
1066 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1073 int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc)
1079 if (!target->type->examined)
1081 LOG_ERROR("Target not examined yet");
1085 if ((retval = target->type->checksum_memory(target, address,
1086 size, &checksum)) == ERROR_TARGET_RESOURCE_NOT_AVAILABLE)
1088 buffer = malloc(size);
1091 LOG_ERROR("error allocating buffer for section (%d bytes)", size);
1092 return ERROR_INVALID_ARGUMENTS;
1094 retval = target_read_buffer(target, address, size, buffer);
1095 if (retval != ERROR_OK)
1101 /* convert to target endianess */
1102 for (i = 0; i < (size/sizeof(u32)); i++)
1105 target_data = target_buffer_get_u32(target, &buffer[i*sizeof(u32)]);
1106 target_buffer_set_u32(target, &buffer[i*sizeof(u32)], target_data);
1109 retval = image_calculate_checksum( buffer, size, &checksum );
1118 int target_read_u32(struct target_s *target, u32 address, u32 *value)
1121 if (!target->type->examined)
1123 LOG_ERROR("Target not examined yet");
1127 int retval = target->type->read_memory(target, address, 4, 1, value_buf);
1129 if (retval == ERROR_OK)
1131 *value = target_buffer_get_u32(target, value_buf);
1132 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
1137 LOG_DEBUG("address: 0x%8.8x failed", address);
1143 int target_read_u16(struct target_s *target, u32 address, u16 *value)
1146 if (!target->type->examined)
1148 LOG_ERROR("Target not examined yet");
1152 int retval = target->type->read_memory(target, address, 2, 1, value_buf);
1154 if (retval == ERROR_OK)
1156 *value = target_buffer_get_u16(target, value_buf);
1157 LOG_DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
1162 LOG_DEBUG("address: 0x%8.8x failed", address);
1168 int target_read_u8(struct target_s *target, u32 address, u8 *value)
1170 int retval = target->type->read_memory(target, address, 1, 1, value);
1171 if (!target->type->examined)
1173 LOG_ERROR("Target not examined yet");
1177 if (retval == ERROR_OK)
1179 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
1184 LOG_DEBUG("address: 0x%8.8x failed", address);
1190 int target_write_u32(struct target_s *target, u32 address, u32 value)
1194 if (!target->type->examined)
1196 LOG_ERROR("Target not examined yet");
1200 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1202 target_buffer_set_u32(target, value_buf, value);
1203 if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1205 LOG_DEBUG("failed: %i", retval);
1211 int target_write_u16(struct target_s *target, u32 address, u16 value)
1215 if (!target->type->examined)
1217 LOG_ERROR("Target not examined yet");
1221 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1223 target_buffer_set_u16(target, value_buf, value);
1224 if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1226 LOG_DEBUG("failed: %i", retval);
1232 int target_write_u8(struct target_s *target, u32 address, u8 value)
1235 if (!target->type->examined)
1237 LOG_ERROR("Target not examined yet");
1241 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
1243 if ((retval = target->type->read_memory(target, address, 1, 1, &value)) != ERROR_OK)
1245 LOG_DEBUG("failed: %i", retval);
1251 int target_register_user_commands(struct command_context_s *cmd_ctx)
1253 register_command(cmd_ctx, NULL, "reg", handle_reg_command, COMMAND_EXEC, NULL);
1254 register_command(cmd_ctx, NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1255 register_command(cmd_ctx, NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1256 register_command(cmd_ctx, NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1257 register_command(cmd_ctx, NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1258 register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1259 register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init|run_and_halt|run_and_init]");
1260 register_command(cmd_ctx, NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1262 register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
1263 register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
1264 register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
1266 register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value> [count]");
1267 register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value> [count]");
1268 register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value> [count]");
1270 register_command(cmd_ctx, NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
1271 register_command(cmd_ctx, NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
1272 register_command(cmd_ctx, NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
1273 register_command(cmd_ctx, NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
1275 register_command(cmd_ctx, NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex'|'elf'|'s19']");
1276 register_command(cmd_ctx, NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1277 register_command(cmd_ctx, NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1278 register_command(cmd_ctx, NULL, "load_binary", handle_load_image_command, COMMAND_EXEC, "[DEPRECATED] load_binary <file> <address>");
1279 register_command(cmd_ctx, NULL, "dump_binary", handle_dump_image_command, COMMAND_EXEC, "[DEPRECATED] dump_binary <file> <address> <size>");
1281 target_request_register_commands(cmd_ctx);
1282 trace_register_commands(cmd_ctx);
1287 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1289 target_t *target = targets;
1294 int num = strtoul(args[0], NULL, 0);
1299 target = target->next;
1303 cmd_ctx->current_target = num;
1305 command_print(cmd_ctx, "%i is out of bounds, only %i targets are configured", num, count);
1312 command_print(cmd_ctx, "%i: %s (%s), state: %s", count++, target->type->name, target_endianess_strings[target->endianness], target_state_strings[target->state]);
1313 target = target->next;
1319 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1326 return ERROR_COMMAND_SYNTAX_ERROR;
1329 /* search for the specified target */
1330 if (args[0] && (args[0][0] != 0))
1332 for (i = 0; target_types[i]; i++)
1334 if (strcmp(args[0], target_types[i]->name) == 0)
1336 target_t **last_target_p = &targets;
1338 /* register target specific commands */
1339 if (target_types[i]->register_commands(cmd_ctx) != ERROR_OK)
1341 LOG_ERROR("couldn't register '%s' commands", args[0]);
1347 while ((*last_target_p)->next)
1348 last_target_p = &((*last_target_p)->next);
1349 last_target_p = &((*last_target_p)->next);
1352 *last_target_p = malloc(sizeof(target_t));
1354 (*last_target_p)->type = target_types[i];
1356 if (strcmp(args[1], "big") == 0)
1357 (*last_target_p)->endianness = TARGET_BIG_ENDIAN;
1358 else if (strcmp(args[1], "little") == 0)
1359 (*last_target_p)->endianness = TARGET_LITTLE_ENDIAN;
1362 LOG_ERROR("endianness must be either 'little' or 'big', not '%s'", args[1]);
1363 return ERROR_COMMAND_SYNTAX_ERROR;
1366 /* what to do on a target reset */
1367 (*last_target_p)->reset_mode = RESET_INIT; /* default */
1368 if (strcmp(args[2], "reset_halt") == 0)
1369 (*last_target_p)->reset_mode = RESET_HALT;
1370 else if (strcmp(args[2], "reset_run") == 0)
1371 (*last_target_p)->reset_mode = RESET_RUN;
1372 else if (strcmp(args[2], "reset_init") == 0)
1373 (*last_target_p)->reset_mode = RESET_INIT;
1374 else if (strcmp(args[2], "run_and_halt") == 0)
1375 (*last_target_p)->reset_mode = RESET_RUN_AND_HALT;
1376 else if (strcmp(args[2], "run_and_init") == 0)
1377 (*last_target_p)->reset_mode = RESET_RUN_AND_INIT;
1380 /* Kludge! we want to make this reset arg optional while remaining compatible! */
1384 (*last_target_p)->run_and_halt_time = 1000; /* default 1s */
1386 (*last_target_p)->reset_script = NULL;
1387 (*last_target_p)->post_halt_script = NULL;
1388 (*last_target_p)->pre_resume_script = NULL;
1389 (*last_target_p)->gdb_program_script = NULL;
1391 (*last_target_p)->working_area = 0x0;
1392 (*last_target_p)->working_area_size = 0x0;
1393 (*last_target_p)->working_areas = NULL;
1394 (*last_target_p)->backup_working_area = 0;
1396 (*last_target_p)->state = TARGET_UNKNOWN;
1397 (*last_target_p)->debug_reason = DBG_REASON_UNDEFINED;
1398 (*last_target_p)->reg_cache = NULL;
1399 (*last_target_p)->breakpoints = NULL;
1400 (*last_target_p)->watchpoints = NULL;
1401 (*last_target_p)->next = NULL;
1402 (*last_target_p)->arch_info = NULL;
1404 /* initialize trace information */
1405 (*last_target_p)->trace_info = malloc(sizeof(trace_t));
1406 (*last_target_p)->trace_info->num_trace_points = 0;
1407 (*last_target_p)->trace_info->trace_points_size = 0;
1408 (*last_target_p)->trace_info->trace_points = NULL;
1409 (*last_target_p)->trace_info->trace_history_size = 0;
1410 (*last_target_p)->trace_info->trace_history = NULL;
1411 (*last_target_p)->trace_info->trace_history_pos = 0;
1412 (*last_target_p)->trace_info->trace_history_overflowed = 0;
1414 (*last_target_p)->dbgmsg = NULL;
1415 (*last_target_p)->dbg_msg_enabled = 0;
1417 (*last_target_p)->type->target_command(cmd_ctx, cmd, args, argc, *last_target_p);
1425 /* no matching target found */
1428 LOG_ERROR("target '%s' not found", args[0]);
1429 return ERROR_COMMAND_SYNTAX_ERROR;
1435 /* usage: target_script <target#> <event> <script_file> */
1436 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1438 target_t *target = NULL;
1442 LOG_ERROR("incomplete target_script command");
1443 return ERROR_COMMAND_SYNTAX_ERROR;
1446 target = get_target_by_num(strtoul(args[0], NULL, 0));
1450 return ERROR_COMMAND_SYNTAX_ERROR;
1453 if (strcmp(args[1], "reset") == 0)
1455 if (target->reset_script)
1456 free(target->reset_script);
1457 target->reset_script = strdup(args[2]);
1459 else if (strcmp(args[1], "post_halt") == 0)
1461 if (target->post_halt_script)
1462 free(target->post_halt_script);
1463 target->post_halt_script = strdup(args[2]);
1465 else if (strcmp(args[1], "pre_resume") == 0)
1467 if (target->pre_resume_script)
1468 free(target->pre_resume_script);
1469 target->pre_resume_script = strdup(args[2]);
1471 else if (strcmp(args[1], "gdb_program_config") == 0)
1473 if (target->gdb_program_script)
1474 free(target->gdb_program_script);
1475 target->gdb_program_script = strdup(args[2]);
1479 LOG_ERROR("unknown event type: '%s", args[1]);
1480 return ERROR_COMMAND_SYNTAX_ERROR;
1486 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1488 target_t *target = NULL;
1492 return ERROR_COMMAND_SYNTAX_ERROR;
1495 target = get_target_by_num(strtoul(args[0], NULL, 0));
1498 return ERROR_COMMAND_SYNTAX_ERROR;
1501 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1506 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1508 target_t *target = NULL;
1510 if ((argc < 4) || (argc > 5))
1512 return ERROR_COMMAND_SYNTAX_ERROR;
1515 target = get_target_by_num(strtoul(args[0], NULL, 0));
1518 return ERROR_COMMAND_SYNTAX_ERROR;
1520 target_free_all_working_areas(target);
1522 target->working_area_phys = target->working_area_virt = strtoul(args[1], NULL, 0);
1525 target->working_area_virt = strtoul(args[4], NULL, 0);
1527 target->working_area_size = strtoul(args[2], NULL, 0);
1529 if (strcmp(args[3], "backup") == 0)
1531 target->backup_working_area = 1;
1533 else if (strcmp(args[3], "nobackup") == 0)
1535 target->backup_working_area = 0;
1539 LOG_ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
1540 return ERROR_COMMAND_SYNTAX_ERROR;
1547 /* process target state changes */
1548 int handle_target(void *priv)
1550 target_t *target = targets;
1554 if (target_continous_poll)
1556 /* polling may fail silently until the target has been examined */
1557 target_poll(target);
1560 target = target->next;
1566 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1575 target = get_current_target(cmd_ctx);
1577 /* list all available registers for the current target */
1580 reg_cache_t *cache = target->reg_cache;
1586 for (i = 0; i < cache->num_regs; i++)
1588 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1589 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);
1592 cache = cache->next;
1598 /* access a single register by its ordinal number */
1599 if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1601 int num = strtoul(args[0], NULL, 0);
1602 reg_cache_t *cache = target->reg_cache;
1608 for (i = 0; i < cache->num_regs; i++)
1612 reg = &cache->reg_list[i];
1618 cache = cache->next;
1623 command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1626 } else /* access a single register by its name */
1628 reg = register_get_by_name(target->reg_cache, args[0], 1);
1632 command_print(cmd_ctx, "register %s not found in current target", args[0]);
1637 /* display a register */
1638 if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1640 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1643 if (reg->valid == 0)
1645 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1646 if (arch_type == NULL)
1648 LOG_ERROR("BUG: encountered unregistered arch type");
1651 arch_type->get(reg);
1653 value = buf_to_str(reg->value, reg->size, 16);
1654 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1659 /* set register value */
1662 u8 *buf = malloc(CEIL(reg->size, 8));
1663 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1665 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1666 if (arch_type == NULL)
1668 LOG_ERROR("BUG: encountered unregistered arch type");
1672 arch_type->set(reg, buf);
1674 value = buf_to_str(reg->value, reg->size, 16);
1675 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1683 command_print(cmd_ctx, "usage: reg <#|name> [value]");
1688 static int wait_state(struct command_context_s *cmd_ctx, char *cmd, enum target_state state, int ms);
1690 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1692 target_t *target = get_current_target(cmd_ctx);
1696 target_poll(target);
1697 target_arch_state(target);
1701 if (strcmp(args[0], "on") == 0)
1703 target_continous_poll = 1;
1705 else if (strcmp(args[0], "off") == 0)
1707 target_continous_poll = 0;
1711 command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1719 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1727 ms = strtoul(args[0], &end, 0) * 1000;
1730 command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1735 return wait_state(cmd_ctx, cmd, TARGET_HALTED, ms);
1738 static void target_process_events(struct command_context_s *cmd_ctx)
1740 target_t *target = get_current_target(cmd_ctx);
1741 target_poll(target);
1742 target_call_timer_callbacks_now();
1745 static int wait_state(struct command_context_s *cmd_ctx, char *cmd, enum target_state state, int ms)
1748 struct timeval timeout, now;
1750 gettimeofday(&timeout, NULL);
1751 timeval_add_time(&timeout, 0, ms * 1000);
1753 target_t *target = get_current_target(cmd_ctx);
1756 if ((retval=target_poll(target))!=ERROR_OK)
1758 target_call_timer_callbacks_now();
1759 if (target->state == state)
1766 command_print(cmd_ctx, "waiting for target %s...", target_state_strings[state]);
1769 gettimeofday(&now, NULL);
1770 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
1772 LOG_ERROR("timed out while waiting for target %s", target_state_strings[state]);
1780 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1783 target_t *target = get_current_target(cmd_ctx);
1787 if ((retval = target_halt(target)) != ERROR_OK)
1792 return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1796 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1798 target_t *target = get_current_target(cmd_ctx);
1800 LOG_USER("requesting target halt and executing a soft reset");
1802 target->type->soft_reset_halt(target);
1807 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1809 target_t *target = get_current_target(cmd_ctx);
1810 enum target_reset_mode reset_mode = target->reset_mode;
1811 enum target_reset_mode save = target->reset_mode;
1817 if (strcmp("run", args[0]) == 0)
1818 reset_mode = RESET_RUN;
1819 else if (strcmp("halt", args[0]) == 0)
1820 reset_mode = RESET_HALT;
1821 else if (strcmp("init", args[0]) == 0)
1822 reset_mode = RESET_INIT;
1823 else if (strcmp("run_and_halt", args[0]) == 0)
1825 reset_mode = RESET_RUN_AND_HALT;
1828 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1831 else if (strcmp("run_and_init", args[0]) == 0)
1833 reset_mode = RESET_RUN_AND_INIT;
1836 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1841 command_print(cmd_ctx, "usage: reset ['run', 'halt', 'init', 'run_and_halt', 'run_and_init]");
1846 /* temporarily modify mode of current reset target */
1847 target->reset_mode = reset_mode;
1849 /* reset *all* targets */
1850 target_process_reset(cmd_ctx);
1852 /* Restore default reset mode for this target */
1853 target->reset_mode = save;
1858 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1861 target_t *target = get_current_target(cmd_ctx);
1864 retval = target_resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1866 retval = target_resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1869 return ERROR_COMMAND_SYNTAX_ERROR;
1872 target_process_events(cmd_ctx);
1877 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1879 target_t *target = get_current_target(cmd_ctx);
1884 target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1887 target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1892 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1894 const int line_bytecnt = 32;
1907 target_t *target = get_current_target(cmd_ctx);
1913 count = strtoul(args[1], NULL, 0);
1915 address = strtoul(args[0], NULL, 0);
1921 size = 4; line_modulo = line_bytecnt / 4;
1924 size = 2; line_modulo = line_bytecnt / 2;
1927 size = 1; line_modulo = line_bytecnt / 1;
1933 buffer = calloc(count, size);
1934 retval = target->type->read_memory(target, address, size, count, buffer);
1935 if (retval == ERROR_OK)
1939 for (i = 0; i < count; i++)
1941 if (i%line_modulo == 0)
1942 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1947 output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1950 output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1953 output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1957 if ((i%line_modulo == line_modulo-1) || (i == count - 1))
1959 command_print(cmd_ctx, output);
1965 LOG_ERROR("Failure examining memory");
1973 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1980 target_t *target = get_current_target(cmd_ctx);
1983 if ((argc < 2) || (argc > 3))
1984 return ERROR_COMMAND_SYNTAX_ERROR;
1986 address = strtoul(args[0], NULL, 0);
1987 value = strtoul(args[1], NULL, 0);
1989 count = strtoul(args[2], NULL, 0);
1996 target_buffer_set_u32(target, value_buf, value);
2000 target_buffer_set_u16(target, value_buf, value);
2004 value_buf[0] = value;
2007 return ERROR_COMMAND_SYNTAX_ERROR;
2009 for (i=0; i<count; i++)
2015 retval = target->type->write_memory(target, address + i*wordsize, 4, 1, value_buf);
2018 retval = target->type->write_memory(target, address + i*wordsize, 2, 1, value_buf);
2021 retval = target->type->write_memory(target, address + i*wordsize, 1, 1, value_buf);
2026 if (retval!=ERROR_OK)
2036 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2046 duration_t duration;
2047 char *duration_text;
2049 target_t *target = get_current_target(cmd_ctx);
2053 command_print(cmd_ctx, "usage: load_image <filename> [address] [type]");
2057 /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
2060 image.base_address_set = 1;
2061 image.base_address = strtoul(args[1], NULL, 0);
2065 image.base_address_set = 0;
2068 image.start_address_set = 0;
2070 duration_start_measure(&duration);
2072 if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2079 for (i = 0; i < image.num_sections; i++)
2081 buffer = malloc(image.sections[i].size);
2084 command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2088 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2093 if ((retval = target_write_buffer(target, image.sections[i].base_address, buf_cnt, buffer)) != ERROR_OK)
2098 image_size += buf_cnt;
2099 command_print(cmd_ctx, "%u byte written at address 0x%8.8x", buf_cnt, image.sections[i].base_address);
2104 duration_stop_measure(&duration, &duration_text);
2105 if (retval==ERROR_OK)
2107 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
2109 free(duration_text);
2111 image_close(&image);
2117 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2124 int retval=ERROR_OK;
2126 duration_t duration;
2127 char *duration_text;
2129 target_t *target = get_current_target(cmd_ctx);
2133 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2137 address = strtoul(args[1], NULL, 0);
2138 size = strtoul(args[2], NULL, 0);
2140 if ((address & 3) || (size & 3))
2142 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
2146 if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2151 duration_start_measure(&duration);
2156 u32 this_run_size = (size > 560) ? 560 : size;
2158 retval = target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
2159 if (retval != ERROR_OK)
2164 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2165 if (retval != ERROR_OK)
2170 size -= this_run_size;
2171 address += this_run_size;
2174 fileio_close(&fileio);
2176 duration_stop_measure(&duration, &duration_text);
2177 if (retval==ERROR_OK)
2179 command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
2181 free(duration_text);
2186 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2194 u32 mem_checksum = 0;
2198 duration_t duration;
2199 char *duration_text;
2201 target_t *target = get_current_target(cmd_ctx);
2205 return ERROR_COMMAND_SYNTAX_ERROR;
2210 LOG_ERROR("no target selected");
2214 duration_start_measure(&duration);
2218 image.base_address_set = 1;
2219 image.base_address = strtoul(args[1], NULL, 0);
2223 image.base_address_set = 0;
2224 image.base_address = 0x0;
2227 image.start_address_set = 0;
2229 if ((retval=image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2236 for (i = 0; i < image.num_sections; i++)
2238 buffer = malloc(image.sections[i].size);
2241 command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2244 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2250 /* calculate checksum of image */
2251 image_calculate_checksum( buffer, buf_cnt, &checksum );
2253 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2254 if( retval != ERROR_OK )
2260 if( checksum != mem_checksum )
2262 /* failed crc checksum, fall back to a binary compare */
2265 command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2267 data = (u8*)malloc(buf_cnt);
2269 /* Can we use 32bit word accesses? */
2271 int count = buf_cnt;
2272 if ((count % 4) == 0)
2277 retval = target->type->read_memory(target, image.sections[i].base_address, size, count, data);
2278 if (retval == ERROR_OK)
2281 for (t = 0; t < buf_cnt; t++)
2283 if (data[t] != buffer[t])
2285 command_print(cmd_ctx, "Verify operation failed address 0x%08x. Was 0x%02x instead of 0x%02x\n", t + image.sections[i].base_address, data[t], buffer[t]);
2298 image_size += buf_cnt;
2301 duration_stop_measure(&duration, &duration_text);
2302 if (retval==ERROR_OK)
2304 command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2306 free(duration_text);
2308 image_close(&image);
2313 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2316 target_t *target = get_current_target(cmd_ctx);
2320 breakpoint_t *breakpoint = target->breakpoints;
2324 if (breakpoint->type == BKPT_SOFT)
2326 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
2327 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
2332 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
2334 breakpoint = breakpoint->next;
2342 length = strtoul(args[1], NULL, 0);
2345 if (strcmp(args[2], "hw") == 0)
2348 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
2350 LOG_ERROR("Failure setting breakpoints");
2354 command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
2359 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2365 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2367 target_t *target = get_current_target(cmd_ctx);
2370 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2375 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2377 target_t *target = get_current_target(cmd_ctx);
2382 watchpoint_t *watchpoint = target->watchpoints;
2386 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);
2387 watchpoint = watchpoint->next;
2392 enum watchpoint_rw type = WPT_ACCESS;
2393 u32 data_value = 0x0;
2394 u32 data_mask = 0xffffffff;
2410 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2416 data_value = strtoul(args[3], NULL, 0);
2420 data_mask = strtoul(args[4], NULL, 0);
2423 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2424 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2426 LOG_ERROR("Failure setting breakpoints");
2431 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2437 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2439 target_t *target = get_current_target(cmd_ctx);
2442 watchpoint_remove(target, strtoul(args[0], NULL, 0));
2447 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
2450 target_t *target = get_current_target(cmd_ctx);
2456 return ERROR_COMMAND_SYNTAX_ERROR;
2458 va = strtoul(args[0], NULL, 0);
2460 retval = target->type->virt2phys(target, va, &pa);
2461 if (retval == ERROR_OK)
2463 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2467 /* lower levels will have logged a detailed error which is
2468 * forwarded to telnet/GDB session.
2473 static void writeLong(FILE *f, int l)
2478 char c=(l>>(i*8))&0xff;
2479 fwrite(&c, 1, 1, f);
2483 static void writeString(FILE *f, char *s)
2485 fwrite(s, 1, strlen(s), f);
2490 // Dump a gmon.out histogram file.
2491 static void writeGmon(u32 *samples, int sampleNum, char *filename)
2494 FILE *f=fopen(filename, "w");
2497 fwrite("gmon", 1, 4, f);
2498 writeLong(f, 0x00000001); // Version
2499 writeLong(f, 0); // padding
2500 writeLong(f, 0); // padding
2501 writeLong(f, 0); // padding
2503 fwrite("", 1, 1, f); // GMON_TAG_TIME_HIST
2505 // figure out bucket size
2508 for (i=0; i<sampleNum; i++)
2520 int addressSpace=(max-min+1);
2522 static int const maxBuckets=256*1024; // maximum buckets.
2523 int length=addressSpace;
2524 if (length > maxBuckets)
2528 int *buckets=malloc(sizeof(int)*length);
2534 memset(buckets, 0, sizeof(int)*length);
2535 for (i=0; i<sampleNum;i++)
2537 u32 address=samples[i];
2538 long long a=address-min;
2539 long long b=length-1;
2540 long long c=addressSpace-1;
2541 int index=(a*b)/c; // danger!!!! int32 overflows
2545 // append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr))
2546 writeLong(f, min); // low_pc
2547 writeLong(f, max); // high_pc
2548 writeLong(f, length); // # of samples
2549 writeLong(f, 64000000); // 64MHz
2550 writeString(f, "seconds");
2551 for (i=0; i<(15-strlen("seconds")); i++)
2553 fwrite("", 1, 1, f); // padding
2555 writeString(f, "s");
2557 // append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size)
2559 char *data=malloc(2*length);
2562 for (i=0; i<length;i++)
2571 data[i*2+1]=(val>>8)&0xff;
2574 fwrite(data, 1, length*2, f);
2584 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
2585 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2587 target_t *target = get_current_target(cmd_ctx);
2588 struct timeval timeout, now;
2590 gettimeofday(&timeout, NULL);
2593 return ERROR_COMMAND_SYNTAX_ERROR;
2596 timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
2602 command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
2604 static const int maxSample=10000;
2605 u32 *samples=malloc(sizeof(u32)*maxSample);
2610 int retval=ERROR_OK;
2611 // hopefully it is safe to cache! We want to stop/restart as quickly as possible.
2612 reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
2616 target_poll(target);
2617 if (target->state == TARGET_HALTED)
2619 u32 t=*((u32 *)reg->value);
2620 samples[numSamples++]=t;
2621 retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2622 target_poll(target);
2623 usleep(10*1000); // sleep 10ms, i.e. <100 samples/second.
2624 } else if (target->state == TARGET_RUNNING)
2626 // We want to quickly sample the PC.
2627 target_halt(target);
2630 command_print(cmd_ctx, "Target not halted or running");
2634 if (retval!=ERROR_OK)
2639 gettimeofday(&now, NULL);
2640 if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
2642 command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
2643 target_poll(target);
2644 if (target->state == TARGET_HALTED)
2646 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2648 target_poll(target);
2649 writeGmon(samples, numSamples, args[1]);
2650 command_print(cmd_ctx, "Wrote %s", args[1]);