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_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
55 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
56 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
57 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
59 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
60 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
61 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
62 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
63 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
64 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
65 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
66 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
67 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
68 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
69 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
70 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
71 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
72 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
73 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
74 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
75 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
76 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc);
77 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
81 extern target_type_t arm7tdmi_target;
82 extern target_type_t arm720t_target;
83 extern target_type_t arm9tdmi_target;
84 extern target_type_t arm920t_target;
85 extern target_type_t arm966e_target;
86 extern target_type_t arm926ejs_target;
87 extern target_type_t feroceon_target;
88 extern target_type_t xscale_target;
89 extern target_type_t cortexm3_target;
90 extern target_type_t arm11_target;
92 target_type_t *target_types[] =
107 target_t *targets = NULL;
108 target_event_callback_t *target_event_callbacks = NULL;
109 target_timer_callback_t *target_timer_callbacks = NULL;
111 char *target_state_strings[] =
120 char *target_debug_reason_strings[] =
122 "debug request", "breakpoint", "watchpoint",
123 "watchpoint and breakpoint", "single step",
124 "target not halted", "undefined"
127 char *target_endianess_strings[] =
133 static int target_continous_poll = 1;
135 /* read a u32 from a buffer in target memory endianness */
136 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
138 if (target->endianness == TARGET_LITTLE_ENDIAN)
139 return le_to_h_u32(buffer);
141 return be_to_h_u32(buffer);
144 /* read a u16 from a buffer in target memory endianness */
145 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
147 if (target->endianness == TARGET_LITTLE_ENDIAN)
148 return le_to_h_u16(buffer);
150 return be_to_h_u16(buffer);
153 /* write a u32 to a buffer in target memory endianness */
154 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
156 if (target->endianness == TARGET_LITTLE_ENDIAN)
157 h_u32_to_le(buffer, value);
159 h_u32_to_be(buffer, value);
162 /* write a u16 to a buffer in target memory endianness */
163 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
165 if (target->endianness == TARGET_LITTLE_ENDIAN)
166 h_u16_to_le(buffer, value);
168 h_u16_to_be(buffer, value);
171 /* returns a pointer to the n-th configured target */
172 target_t* get_target_by_num(int num)
174 target_t *target = targets;
181 target = target->next;
188 int get_num_by_target(target_t *query_target)
190 target_t *target = targets;
195 if (target == query_target)
197 target = target->next;
204 target_t* get_current_target(command_context_t *cmd_ctx)
206 target_t *target = get_target_by_num(cmd_ctx->current_target);
210 LOG_ERROR("BUG: current_target out of bounds");
217 /* Process target initialization, when target entered debug out of reset
218 * the handler is unregistered at the end of this function, so it's only called once
220 int target_init_handler(struct target_s *target, enum target_event event, void *priv)
222 struct command_context_s *cmd_ctx = priv;
224 if (event == TARGET_EVENT_HALTED)
226 target_unregister_event_callback(target_init_handler, priv);
227 target_invoke_script(cmd_ctx, target, "post_reset");
228 jtag_execute_queue();
234 int target_run_and_halt_handler(void *priv)
236 target_t *target = priv;
243 int target_poll(struct target_s *target)
245 /* We can't poll until after examine */
246 if (!target->type->examined)
248 /* Fail silently lest we pollute the log */
251 return target->type->poll(target);
254 int target_halt(struct target_s *target)
256 /* We can't poll until after examine */
257 if (!target->type->examined)
259 LOG_ERROR("Target not examined yet");
262 return target->type->halt(target);
265 int target_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution)
267 /* We can't poll until after examine */
268 if (!target->type->examined)
270 LOG_ERROR("Target not examined yet");
274 return target->type->resume(target, current, address, handle_breakpoints, debug_execution);
277 int target_process_reset(struct command_context_s *cmd_ctx)
279 int retval = ERROR_OK;
281 struct timeval timeout, now;
283 jtag->speed(jtag_speed);
288 target_invoke_script(cmd_ctx, target, "pre_reset");
289 target = target->next;
292 if ((retval = jtag_init_reset(cmd_ctx)) != ERROR_OK)
295 /* First time this is executed after launching OpenOCD, it will read out
296 * the type of CPU, etc. and init Embedded ICE registers in host
299 * It will also set up ICE registers in the target.
301 * However, if we assert TRST later, we need to set up the registers again.
303 * For the "reset halt/init" case we must only set up the registers here.
305 if ((retval = target_examine(cmd_ctx)) != ERROR_OK)
308 /* prepare reset_halt where necessary */
312 if (jtag_reset_config & RESET_SRST_PULLS_TRST)
314 switch (target->reset_mode)
317 command_print(cmd_ctx, "nSRST pulls nTRST, falling back to \"reset run_and_halt\"");
318 target->reset_mode = RESET_RUN_AND_HALT;
321 command_print(cmd_ctx, "nSRST pulls nTRST, falling back to \"reset run_and_init\"");
322 target->reset_mode = RESET_RUN_AND_INIT;
328 target = target->next;
334 /* we have no idea what state the target is in, so we
335 * have to drop working areas
337 target_free_all_working_areas_restore(target, 0);
338 target->type->assert_reset(target);
339 target = target->next;
341 if ((retval = jtag_execute_queue()) != ERROR_OK)
343 LOG_WARNING("JTAG communication failed asserting reset.");
347 /* request target halt if necessary, and schedule further action */
351 switch (target->reset_mode)
354 /* nothing to do if target just wants to be run */
356 case RESET_RUN_AND_HALT:
358 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
360 case RESET_RUN_AND_INIT:
362 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
363 target_register_event_callback(target_init_handler, cmd_ctx);
370 target_register_event_callback(target_init_handler, cmd_ctx);
373 LOG_ERROR("BUG: unknown target->reset_mode");
375 target = target->next;
378 if ((retval = jtag_execute_queue()) != ERROR_OK)
380 LOG_WARNING("JTAG communication failed while reset was asserted. Consider using srst_only for reset_config.");
387 target->type->deassert_reset(target);
388 target = target->next;
391 if ((retval = jtag_execute_queue()) != ERROR_OK)
393 LOG_WARNING("JTAG communication failed while deasserting reset.");
397 if (jtag_reset_config & RESET_SRST_PULLS_TRST)
399 /* If TRST was asserted we need to set up registers again */
400 if ((retval = target_examine(cmd_ctx)) != ERROR_OK)
405 LOG_DEBUG("Waiting for halted stated as approperiate");
407 /* Wait for reset to complete, maximum 5 seconds. */
408 gettimeofday(&timeout, NULL);
409 timeval_add_time(&timeout, 5, 0);
412 gettimeofday(&now, NULL);
414 target_call_timer_callbacks_now();
419 LOG_DEBUG("Polling target");
421 if ((target->reset_mode == RESET_RUN_AND_INIT) ||
422 (target->reset_mode == RESET_RUN_AND_HALT) ||
423 (target->reset_mode == RESET_HALT) ||
424 (target->reset_mode == RESET_INIT))
426 if (target->state != TARGET_HALTED)
428 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
430 LOG_USER("Timed out waiting for halt after reset");
433 /* this will send alive messages on e.g. GDB remote protocol. */
435 LOG_USER_N("%s", ""); /* avoid warning about zero length formatting message*/
439 target = target->next;
441 /* All targets we're waiting for are halted */
449 /* We want any events to be processed before the prompt */
450 target_call_timer_callbacks_now();
452 /* if we timed out we need to unregister these handlers */
456 target_unregister_timer_callback(target_run_and_halt_handler, target);
457 target = target->next;
459 target_unregister_event_callback(target_init_handler, cmd_ctx);
461 jtag->speed(jtag_speed_post_reset);
466 static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
472 static int default_mmu(struct target_s *target, int *enabled)
478 static int default_examine(struct command_context_s *cmd_ctx, struct target_s *target)
480 target->type->examined = 1;
485 /* Targets that correctly implement init+examine, i.e.
486 * no communication with target during init:
490 int target_examine(struct command_context_s *cmd_ctx)
492 int retval = ERROR_OK;
493 target_t *target = targets;
496 if ((retval = target->type->examine(cmd_ctx, target))!=ERROR_OK)
498 target = target->next;
503 static int target_write_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
505 if (!target->type->examined)
507 LOG_ERROR("Target not examined yet");
510 return target->type->write_memory_imp(target, address, size, count, buffer);
513 static int target_read_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
515 if (!target->type->examined)
517 LOG_ERROR("Target not examined yet");
520 return target->type->read_memory_imp(target, address, size, count, buffer);
523 static int target_soft_reset_halt_imp(struct target_s *target)
525 if (!target->type->examined)
527 LOG_ERROR("Target not examined yet");
530 return target->type->soft_reset_halt_imp(target);
533 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)
535 if (!target->type->examined)
537 LOG_ERROR("Target not examined yet");
540 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);
543 int target_init(struct command_context_s *cmd_ctx)
545 target_t *target = targets;
549 target->type->examined = 0;
550 if (target->type->examine == NULL)
552 target->type->examine = default_examine;
555 if (target->type->init_target(cmd_ctx, target) != ERROR_OK)
557 LOG_ERROR("target '%s' init failed", target->type->name);
561 /* Set up default functions if none are provided by target */
562 if (target->type->virt2phys == NULL)
564 target->type->virt2phys = default_virt2phys;
566 target->type->virt2phys = default_virt2phys;
567 /* a non-invasive way(in terms of patches) to add some code that
568 * runs before the type->write/read_memory implementation
570 target->type->write_memory_imp = target->type->write_memory;
571 target->type->write_memory = target_write_memory_imp;
572 target->type->read_memory_imp = target->type->read_memory;
573 target->type->read_memory = target_read_memory_imp;
574 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
575 target->type->soft_reset_halt = target_soft_reset_halt_imp;
576 target->type->run_algorithm_imp = target->type->run_algorithm;
577 target->type->run_algorithm = target_run_algorithm_imp;
580 if (target->type->mmu == NULL)
582 target->type->mmu = default_mmu;
584 target = target->next;
589 target_register_user_commands(cmd_ctx);
590 target_register_timer_callback(handle_target, 100, 1, NULL);
596 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
598 target_event_callback_t **callbacks_p = &target_event_callbacks;
600 if (callback == NULL)
602 return ERROR_INVALID_ARGUMENTS;
607 while ((*callbacks_p)->next)
608 callbacks_p = &((*callbacks_p)->next);
609 callbacks_p = &((*callbacks_p)->next);
612 (*callbacks_p) = malloc(sizeof(target_event_callback_t));
613 (*callbacks_p)->callback = callback;
614 (*callbacks_p)->priv = priv;
615 (*callbacks_p)->next = NULL;
620 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
622 target_timer_callback_t **callbacks_p = &target_timer_callbacks;
625 if (callback == NULL)
627 return ERROR_INVALID_ARGUMENTS;
632 while ((*callbacks_p)->next)
633 callbacks_p = &((*callbacks_p)->next);
634 callbacks_p = &((*callbacks_p)->next);
637 (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
638 (*callbacks_p)->callback = callback;
639 (*callbacks_p)->periodic = periodic;
640 (*callbacks_p)->time_ms = time_ms;
642 gettimeofday(&now, NULL);
643 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
644 time_ms -= (time_ms % 1000);
645 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
646 if ((*callbacks_p)->when.tv_usec > 1000000)
648 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
649 (*callbacks_p)->when.tv_sec += 1;
652 (*callbacks_p)->priv = priv;
653 (*callbacks_p)->next = NULL;
658 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
660 target_event_callback_t **p = &target_event_callbacks;
661 target_event_callback_t *c = target_event_callbacks;
663 if (callback == NULL)
665 return ERROR_INVALID_ARGUMENTS;
670 target_event_callback_t *next = c->next;
671 if ((c->callback == callback) && (c->priv == priv))
685 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
687 target_timer_callback_t **p = &target_timer_callbacks;
688 target_timer_callback_t *c = target_timer_callbacks;
690 if (callback == NULL)
692 return ERROR_INVALID_ARGUMENTS;
697 target_timer_callback_t *next = c->next;
698 if ((c->callback == callback) && (c->priv == priv))
712 int target_call_event_callbacks(target_t *target, enum target_event event)
714 target_event_callback_t *callback = target_event_callbacks;
715 target_event_callback_t *next_callback;
717 LOG_DEBUG("target event %i", event);
721 next_callback = callback->next;
722 callback->callback(target, event, callback->priv);
723 callback = next_callback;
729 static int target_call_timer_callbacks_check_time(int checktime)
731 target_timer_callback_t *callback = target_timer_callbacks;
732 target_timer_callback_t *next_callback;
735 gettimeofday(&now, NULL);
739 next_callback = callback->next;
741 if ((!checktime&&callback->periodic)||
742 (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
743 || (now.tv_sec > callback->when.tv_sec)))
745 if(callback->callback != NULL)
747 callback->callback(callback->priv);
748 if (callback->periodic)
750 int time_ms = callback->time_ms;
751 callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
752 time_ms -= (time_ms % 1000);
753 callback->when.tv_sec = now.tv_sec + time_ms / 1000;
754 if (callback->when.tv_usec > 1000000)
756 callback->when.tv_usec = callback->when.tv_usec - 1000000;
757 callback->when.tv_sec += 1;
761 target_unregister_timer_callback(callback->callback, callback->priv);
765 callback = next_callback;
771 int target_call_timer_callbacks()
773 return target_call_timer_callbacks_check_time(1);
776 /* invoke periodic callbacks immediately */
777 int target_call_timer_callbacks_now()
779 return target_call_timer_callbacks(0);
782 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
784 working_area_t *c = target->working_areas;
785 working_area_t *new_wa = NULL;
787 /* Reevaluate working area address based on MMU state*/
788 if (target->working_areas == NULL)
792 retval = target->type->mmu(target, &enabled);
793 if (retval != ERROR_OK)
799 target->working_area = target->working_area_virt;
803 target->working_area = target->working_area_phys;
807 /* only allocate multiples of 4 byte */
810 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
811 size = CEIL(size, 4);
814 /* see if there's already a matching working area */
817 if ((c->free) && (c->size == size))
825 /* if not, allocate a new one */
828 working_area_t **p = &target->working_areas;
829 u32 first_free = target->working_area;
830 u32 free_size = target->working_area_size;
832 LOG_DEBUG("allocating new working area");
834 c = target->working_areas;
837 first_free += c->size;
838 free_size -= c->size;
843 if (free_size < size)
845 LOG_WARNING("not enough working area available(requested %d, free %d)", size, free_size);
846 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
849 new_wa = malloc(sizeof(working_area_t));
852 new_wa->address = first_free;
854 if (target->backup_working_area)
856 new_wa->backup = malloc(new_wa->size);
857 target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup);
861 new_wa->backup = NULL;
864 /* put new entry in list */
868 /* mark as used, and return the new (reused) area */
878 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
883 if (restore&&target->backup_working_area)
884 target->type->write_memory(target, area->address, 4, area->size / 4, area->backup);
888 /* mark user pointer invalid */
895 int target_free_working_area(struct target_s *target, working_area_t *area)
897 return target_free_working_area_restore(target, area, 1);
900 int target_free_all_working_areas_restore(struct target_s *target, int restore)
902 working_area_t *c = target->working_areas;
906 working_area_t *next = c->next;
907 target_free_working_area_restore(target, c, restore);
917 target->working_areas = NULL;
922 int target_free_all_working_areas(struct target_s *target)
924 return target_free_all_working_areas_restore(target, 1);
927 int target_register_commands(struct command_context_s *cmd_ctx)
929 register_command(cmd_ctx, NULL, "target", handle_target_command, COMMAND_CONFIG, "target <cpu> [reset_init default - DEPRECATED] <chainpos> <endianness> <variant> [cpu type specifc args]");
930 register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL);
931 register_command(cmd_ctx, NULL, "target_script", handle_target_script_command, COMMAND_CONFIG,
932 "target_script <target#> <event=reset/pre_reset/post_halt/pre_resume/gdb_program_config> <script_file>");
933 register_command(cmd_ctx, NULL, "run_and_halt_time", handle_run_and_halt_time_command, COMMAND_CONFIG, "<target> <run time ms>");
934 register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_ANY, "working_area <target#> <address> <size> <'backup'|'nobackup'> [virtual address]");
935 register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "virt2phys <virtual address>");
936 register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "PRELIMINARY! - profile <seconds> <gmon.out>");
941 int target_arch_state(struct target_s *target)
946 LOG_USER("No target has been configured");
950 LOG_USER("target state: %s", target_state_strings[target->state]);
952 if (target->state!=TARGET_HALTED)
955 retval=target->type->arch_state(target);
959 /* Single aligned words are guaranteed to use 16 or 32 bit access
960 * mode respectively, otherwise data is handled as quickly as
963 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
966 if (!target->type->examined)
968 LOG_ERROR("Target not examined yet");
972 LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
974 if (((address % 2) == 0) && (size == 2))
976 return target->type->write_memory(target, address, 2, 1, buffer);
979 /* handle unaligned head bytes */
982 int unaligned = 4 - (address % 4);
984 if (unaligned > size)
987 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
991 address += unaligned;
995 /* handle aligned words */
998 int aligned = size - (size % 4);
1000 /* use bulk writes above a certain limit. This may have to be changed */
1003 if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1008 if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1017 /* handle tail writes of less than 4 bytes */
1020 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1028 /* Single aligned words are guaranteed to use 16 or 32 bit access
1029 * mode respectively, otherwise data is handled as quickly as
1032 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
1035 if (!target->type->examined)
1037 LOG_ERROR("Target not examined yet");
1041 LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
1043 if (((address % 2) == 0) && (size == 2))
1045 return target->type->read_memory(target, address, 2, 1, buffer);
1048 /* handle unaligned head bytes */
1051 int unaligned = 4 - (address % 4);
1053 if (unaligned > size)
1056 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1059 buffer += unaligned;
1060 address += unaligned;
1064 /* handle aligned words */
1067 int aligned = size - (size % 4);
1069 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1077 /* handle tail writes of less than 4 bytes */
1080 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1087 int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc)
1093 if (!target->type->examined)
1095 LOG_ERROR("Target not examined yet");
1099 if ((retval = target->type->checksum_memory(target, address,
1100 size, &checksum)) == ERROR_TARGET_RESOURCE_NOT_AVAILABLE)
1102 buffer = malloc(size);
1105 LOG_ERROR("error allocating buffer for section (%d bytes)", size);
1106 return ERROR_INVALID_ARGUMENTS;
1108 retval = target_read_buffer(target, address, size, buffer);
1109 if (retval != ERROR_OK)
1115 /* convert to target endianess */
1116 for (i = 0; i < (size/sizeof(u32)); i++)
1119 target_data = target_buffer_get_u32(target, &buffer[i*sizeof(u32)]);
1120 target_buffer_set_u32(target, &buffer[i*sizeof(u32)], target_data);
1123 retval = image_calculate_checksum( buffer, size, &checksum );
1132 int target_blank_check_memory(struct target_s *target, u32 address, u32 size, u32* blank)
1135 if (!target->type->examined)
1137 LOG_ERROR("Target not examined yet");
1141 if (target->type->blank_check_memory == 0)
1142 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1144 retval = target->type->blank_check_memory(target, address, size, blank);
1149 int target_read_u32(struct target_s *target, u32 address, u32 *value)
1152 if (!target->type->examined)
1154 LOG_ERROR("Target not examined yet");
1158 int retval = target->type->read_memory(target, address, 4, 1, value_buf);
1160 if (retval == ERROR_OK)
1162 *value = target_buffer_get_u32(target, value_buf);
1163 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
1168 LOG_DEBUG("address: 0x%8.8x failed", address);
1174 int target_read_u16(struct target_s *target, u32 address, u16 *value)
1177 if (!target->type->examined)
1179 LOG_ERROR("Target not examined yet");
1183 int retval = target->type->read_memory(target, address, 2, 1, value_buf);
1185 if (retval == ERROR_OK)
1187 *value = target_buffer_get_u16(target, value_buf);
1188 LOG_DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
1193 LOG_DEBUG("address: 0x%8.8x failed", address);
1199 int target_read_u8(struct target_s *target, u32 address, u8 *value)
1201 int retval = target->type->read_memory(target, address, 1, 1, value);
1202 if (!target->type->examined)
1204 LOG_ERROR("Target not examined yet");
1208 if (retval == ERROR_OK)
1210 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
1215 LOG_DEBUG("address: 0x%8.8x failed", address);
1221 int target_write_u32(struct target_s *target, u32 address, u32 value)
1225 if (!target->type->examined)
1227 LOG_ERROR("Target not examined yet");
1231 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1233 target_buffer_set_u32(target, value_buf, value);
1234 if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1236 LOG_DEBUG("failed: %i", retval);
1242 int target_write_u16(struct target_s *target, u32 address, u16 value)
1246 if (!target->type->examined)
1248 LOG_ERROR("Target not examined yet");
1252 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1254 target_buffer_set_u16(target, value_buf, value);
1255 if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1257 LOG_DEBUG("failed: %i", retval);
1263 int target_write_u8(struct target_s *target, u32 address, u8 value)
1266 if (!target->type->examined)
1268 LOG_ERROR("Target not examined yet");
1272 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
1274 if ((retval = target->type->read_memory(target, address, 1, 1, &value)) != ERROR_OK)
1276 LOG_DEBUG("failed: %i", retval);
1282 int target_register_user_commands(struct command_context_s *cmd_ctx)
1284 register_command(cmd_ctx, NULL, "reg", handle_reg_command, COMMAND_EXEC, NULL);
1285 register_command(cmd_ctx, NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1286 register_command(cmd_ctx, NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1287 register_command(cmd_ctx, NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1288 register_command(cmd_ctx, NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1289 register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1290 register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init|run_and_halt|run_and_init]");
1291 register_command(cmd_ctx, NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1293 register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
1294 register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
1295 register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
1297 register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value> [count]");
1298 register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value> [count]");
1299 register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value> [count]");
1301 register_command(cmd_ctx, NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
1302 register_command(cmd_ctx, NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
1303 register_command(cmd_ctx, NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
1304 register_command(cmd_ctx, NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
1306 register_command(cmd_ctx, NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex'|'elf'|'s19']");
1307 register_command(cmd_ctx, NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1308 register_command(cmd_ctx, NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1309 register_command(cmd_ctx, NULL, "load_binary", handle_load_image_command, COMMAND_EXEC, "[DEPRECATED] load_binary <file> <address>");
1310 register_command(cmd_ctx, NULL, "dump_binary", handle_dump_image_command, COMMAND_EXEC, "[DEPRECATED] dump_binary <file> <address> <size>");
1312 target_request_register_commands(cmd_ctx);
1313 trace_register_commands(cmd_ctx);
1318 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1320 target_t *target = targets;
1325 int num = strtoul(args[0], NULL, 0);
1330 target = target->next;
1334 cmd_ctx->current_target = num;
1336 command_print(cmd_ctx, "%i is out of bounds, only %i targets are configured", num, count);
1343 command_print(cmd_ctx, "%i: %s (%s), state: %s", count++, target->type->name, target_endianess_strings[target->endianness], target_state_strings[target->state]);
1344 target = target->next;
1350 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1357 return ERROR_COMMAND_SYNTAX_ERROR;
1360 /* search for the specified target */
1361 if (args[0] && (args[0][0] != 0))
1363 for (i = 0; target_types[i]; i++)
1365 if (strcmp(args[0], target_types[i]->name) == 0)
1367 target_t **last_target_p = &targets;
1369 /* register target specific commands */
1370 if (target_types[i]->register_commands(cmd_ctx) != ERROR_OK)
1372 LOG_ERROR("couldn't register '%s' commands", args[0]);
1378 while ((*last_target_p)->next)
1379 last_target_p = &((*last_target_p)->next);
1380 last_target_p = &((*last_target_p)->next);
1383 *last_target_p = malloc(sizeof(target_t));
1385 /* allocate memory for each unique target type */
1386 (*last_target_p)->type = (target_type_t*)malloc(sizeof(target_type_t));
1387 *((*last_target_p)->type) = *target_types[i];
1389 if (strcmp(args[1], "big") == 0)
1390 (*last_target_p)->endianness = TARGET_BIG_ENDIAN;
1391 else if (strcmp(args[1], "little") == 0)
1392 (*last_target_p)->endianness = TARGET_LITTLE_ENDIAN;
1395 LOG_ERROR("endianness must be either 'little' or 'big', not '%s'", args[1]);
1396 return ERROR_COMMAND_SYNTAX_ERROR;
1399 /* what to do on a target reset */
1400 (*last_target_p)->reset_mode = RESET_INIT; /* default */
1401 if (strcmp(args[2], "reset_halt") == 0)
1402 (*last_target_p)->reset_mode = RESET_HALT;
1403 else if (strcmp(args[2], "reset_run") == 0)
1404 (*last_target_p)->reset_mode = RESET_RUN;
1405 else if (strcmp(args[2], "reset_init") == 0)
1406 (*last_target_p)->reset_mode = RESET_INIT;
1407 else if (strcmp(args[2], "run_and_halt") == 0)
1408 (*last_target_p)->reset_mode = RESET_RUN_AND_HALT;
1409 else if (strcmp(args[2], "run_and_init") == 0)
1410 (*last_target_p)->reset_mode = RESET_RUN_AND_INIT;
1413 /* Kludge! we want to make this reset arg optional while remaining compatible! */
1417 (*last_target_p)->run_and_halt_time = 1000; /* default 1s */
1419 (*last_target_p)->working_area = 0x0;
1420 (*last_target_p)->working_area_size = 0x0;
1421 (*last_target_p)->working_areas = NULL;
1422 (*last_target_p)->backup_working_area = 0;
1424 (*last_target_p)->state = TARGET_UNKNOWN;
1425 (*last_target_p)->debug_reason = DBG_REASON_UNDEFINED;
1426 (*last_target_p)->reg_cache = NULL;
1427 (*last_target_p)->breakpoints = NULL;
1428 (*last_target_p)->watchpoints = NULL;
1429 (*last_target_p)->next = NULL;
1430 (*last_target_p)->arch_info = NULL;
1432 /* initialize trace information */
1433 (*last_target_p)->trace_info = malloc(sizeof(trace_t));
1434 (*last_target_p)->trace_info->num_trace_points = 0;
1435 (*last_target_p)->trace_info->trace_points_size = 0;
1436 (*last_target_p)->trace_info->trace_points = NULL;
1437 (*last_target_p)->trace_info->trace_history_size = 0;
1438 (*last_target_p)->trace_info->trace_history = NULL;
1439 (*last_target_p)->trace_info->trace_history_pos = 0;
1440 (*last_target_p)->trace_info->trace_history_overflowed = 0;
1442 (*last_target_p)->dbgmsg = NULL;
1443 (*last_target_p)->dbg_msg_enabled = 0;
1445 (*last_target_p)->type->target_command(cmd_ctx, cmd, args, argc, *last_target_p);
1453 /* no matching target found */
1456 LOG_ERROR("target '%s' not found", args[0]);
1457 return ERROR_COMMAND_SYNTAX_ERROR;
1463 int target_invoke_script(struct command_context_s *cmd_ctx, target_t *target, char *name)
1465 return command_run_linef(cmd_ctx, " if {[catch {info body target_%s_%d} t]==0} {target_%s_%d}",
1466 name, get_num_by_target(target),
1467 name, get_num_by_target(target));
1470 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1472 target_t *target = NULL;
1476 LOG_ERROR("incomplete target_script command");
1477 return ERROR_COMMAND_SYNTAX_ERROR;
1480 target = get_target_by_num(strtoul(args[0], NULL, 0));
1484 return ERROR_COMMAND_SYNTAX_ERROR;
1487 const char *event=args[1];
1488 if (strcmp("reset", event)==0)
1494 /* Define a tcl procedure which we'll invoke upon some event */
1495 command_run_linef(cmd_ctx,
1496 "proc target_%s_%d {} {"
1497 "openocd {script %s} ; return \"\""
1500 get_num_by_target(target),
1506 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1508 target_t *target = NULL;
1512 return ERROR_COMMAND_SYNTAX_ERROR;
1515 target = get_target_by_num(strtoul(args[0], NULL, 0));
1518 return ERROR_COMMAND_SYNTAX_ERROR;
1521 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1526 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1528 target_t *target = NULL;
1530 if ((argc < 4) || (argc > 5))
1532 return ERROR_COMMAND_SYNTAX_ERROR;
1535 target = get_target_by_num(strtoul(args[0], NULL, 0));
1538 return ERROR_COMMAND_SYNTAX_ERROR;
1540 target_free_all_working_areas(target);
1542 target->working_area_phys = target->working_area_virt = strtoul(args[1], NULL, 0);
1545 target->working_area_virt = strtoul(args[4], NULL, 0);
1547 target->working_area_size = strtoul(args[2], NULL, 0);
1549 if (strcmp(args[3], "backup") == 0)
1551 target->backup_working_area = 1;
1553 else if (strcmp(args[3], "nobackup") == 0)
1555 target->backup_working_area = 0;
1559 LOG_ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
1560 return ERROR_COMMAND_SYNTAX_ERROR;
1567 /* process target state changes */
1568 int handle_target(void *priv)
1570 target_t *target = targets;
1574 if (target_continous_poll)
1576 /* polling may fail silently until the target has been examined */
1577 target_poll(target);
1580 target = target->next;
1586 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1595 target = get_current_target(cmd_ctx);
1597 /* list all available registers for the current target */
1600 reg_cache_t *cache = target->reg_cache;
1606 for (i = 0; i < cache->num_regs; i++)
1608 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1609 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);
1612 cache = cache->next;
1618 /* access a single register by its ordinal number */
1619 if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1621 int num = strtoul(args[0], NULL, 0);
1622 reg_cache_t *cache = target->reg_cache;
1628 for (i = 0; i < cache->num_regs; i++)
1632 reg = &cache->reg_list[i];
1638 cache = cache->next;
1643 command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1646 } else /* access a single register by its name */
1648 reg = register_get_by_name(target->reg_cache, args[0], 1);
1652 command_print(cmd_ctx, "register %s not found in current target", args[0]);
1657 /* display a register */
1658 if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1660 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1663 if (reg->valid == 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");
1671 arch_type->get(reg);
1673 value = buf_to_str(reg->value, reg->size, 16);
1674 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1679 /* set register value */
1682 u8 *buf = malloc(CEIL(reg->size, 8));
1683 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1685 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1686 if (arch_type == NULL)
1688 LOG_ERROR("BUG: encountered unregistered arch type");
1692 arch_type->set(reg, buf);
1694 value = buf_to_str(reg->value, reg->size, 16);
1695 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1703 command_print(cmd_ctx, "usage: reg <#|name> [value]");
1708 static int wait_state(struct command_context_s *cmd_ctx, char *cmd, enum target_state state, int ms);
1710 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1712 target_t *target = get_current_target(cmd_ctx);
1716 target_poll(target);
1717 target_arch_state(target);
1721 if (strcmp(args[0], "on") == 0)
1723 target_continous_poll = 1;
1725 else if (strcmp(args[0], "off") == 0)
1727 target_continous_poll = 0;
1731 command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1739 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1747 ms = strtoul(args[0], &end, 0) * 1000;
1750 command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1755 return wait_state(cmd_ctx, cmd, TARGET_HALTED, ms);
1758 static int wait_state(struct command_context_s *cmd_ctx, char *cmd, enum target_state state, int ms)
1761 struct timeval timeout, now;
1763 gettimeofday(&timeout, NULL);
1764 timeval_add_time(&timeout, 0, ms * 1000);
1766 target_t *target = get_current_target(cmd_ctx);
1769 if ((retval=target_poll(target))!=ERROR_OK)
1771 target_call_timer_callbacks_now();
1772 if (target->state == state)
1779 command_print(cmd_ctx, "waiting for target %s...", target_state_strings[state]);
1782 gettimeofday(&now, NULL);
1783 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
1785 LOG_ERROR("timed out while waiting for target %s", target_state_strings[state]);
1793 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1796 target_t *target = get_current_target(cmd_ctx);
1800 if ((retval = target_halt(target)) != ERROR_OK)
1805 return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1808 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1810 target_t *target = get_current_target(cmd_ctx);
1812 LOG_USER("requesting target halt and executing a soft reset");
1814 target->type->soft_reset_halt(target);
1819 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1821 target_t *target = get_current_target(cmd_ctx);
1822 enum target_reset_mode reset_mode = target->reset_mode;
1823 enum target_reset_mode save = target->reset_mode;
1829 if (strcmp("run", args[0]) == 0)
1830 reset_mode = RESET_RUN;
1831 else if (strcmp("halt", args[0]) == 0)
1832 reset_mode = RESET_HALT;
1833 else if (strcmp("init", args[0]) == 0)
1834 reset_mode = RESET_INIT;
1835 else if (strcmp("run_and_halt", args[0]) == 0)
1837 reset_mode = RESET_RUN_AND_HALT;
1840 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1843 else if (strcmp("run_and_init", args[0]) == 0)
1845 reset_mode = RESET_RUN_AND_INIT;
1848 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1853 command_print(cmd_ctx, "usage: reset ['run', 'halt', 'init', 'run_and_halt', 'run_and_init]");
1858 /* temporarily modify mode of current reset target */
1859 target->reset_mode = reset_mode;
1861 /* reset *all* targets */
1862 target_process_reset(cmd_ctx);
1864 /* Restore default reset mode for this target */
1865 target->reset_mode = save;
1870 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1873 target_t *target = get_current_target(cmd_ctx);
1875 target_invoke_script(cmd_ctx, target, "pre_resume");
1878 retval = target_resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1880 retval = target_resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1883 return ERROR_COMMAND_SYNTAX_ERROR;
1889 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1891 target_t *target = get_current_target(cmd_ctx);
1896 target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1899 target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1904 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1906 const int line_bytecnt = 32;
1919 target_t *target = get_current_target(cmd_ctx);
1925 count = strtoul(args[1], NULL, 0);
1927 address = strtoul(args[0], NULL, 0);
1933 size = 4; line_modulo = line_bytecnt / 4;
1936 size = 2; line_modulo = line_bytecnt / 2;
1939 size = 1; line_modulo = line_bytecnt / 1;
1945 buffer = calloc(count, size);
1946 retval = target->type->read_memory(target, address, size, count, buffer);
1947 if (retval == ERROR_OK)
1951 for (i = 0; i < count; i++)
1953 if (i%line_modulo == 0)
1954 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1959 output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1962 output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1965 output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1969 if ((i%line_modulo == line_modulo-1) || (i == count - 1))
1971 command_print(cmd_ctx, output);
1982 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1989 target_t *target = get_current_target(cmd_ctx);
1992 if ((argc < 2) || (argc > 3))
1993 return ERROR_COMMAND_SYNTAX_ERROR;
1995 address = strtoul(args[0], NULL, 0);
1996 value = strtoul(args[1], NULL, 0);
1998 count = strtoul(args[2], NULL, 0);
2004 target_buffer_set_u32(target, value_buf, value);
2008 target_buffer_set_u16(target, value_buf, value);
2012 value_buf[0] = value;
2015 return ERROR_COMMAND_SYNTAX_ERROR;
2017 for (i=0; i<count; i++)
2023 retval = target->type->write_memory(target, address + i*wordsize, 4, 1, value_buf);
2026 retval = target->type->write_memory(target, address + i*wordsize, 2, 1, value_buf);
2029 retval = target->type->write_memory(target, address + i*wordsize, 1, 1, value_buf);
2034 if (retval!=ERROR_OK)
2044 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2054 duration_t duration;
2055 char *duration_text;
2057 target_t *target = get_current_target(cmd_ctx);
2061 command_print(cmd_ctx, "usage: load_image <filename> [address] [type]");
2065 /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
2068 image.base_address_set = 1;
2069 image.base_address = strtoul(args[1], NULL, 0);
2073 image.base_address_set = 0;
2076 image.start_address_set = 0;
2078 duration_start_measure(&duration);
2080 if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2087 for (i = 0; i < image.num_sections; i++)
2089 buffer = malloc(image.sections[i].size);
2092 command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2096 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2101 if ((retval = target_write_buffer(target, image.sections[i].base_address, buf_cnt, buffer)) != ERROR_OK)
2106 image_size += buf_cnt;
2107 command_print(cmd_ctx, "%u byte written at address 0x%8.8x", buf_cnt, image.sections[i].base_address);
2112 duration_stop_measure(&duration, &duration_text);
2113 if (retval==ERROR_OK)
2115 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
2117 free(duration_text);
2119 image_close(&image);
2125 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2132 int retval=ERROR_OK;
2134 duration_t duration;
2135 char *duration_text;
2137 target_t *target = get_current_target(cmd_ctx);
2141 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2145 address = strtoul(args[1], NULL, 0);
2146 size = strtoul(args[2], NULL, 0);
2148 if ((address & 3) || (size & 3))
2150 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
2154 if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2159 duration_start_measure(&duration);
2164 u32 this_run_size = (size > 560) ? 560 : size;
2166 retval = target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
2167 if (retval != ERROR_OK)
2172 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2173 if (retval != ERROR_OK)
2178 size -= this_run_size;
2179 address += this_run_size;
2182 fileio_close(&fileio);
2184 duration_stop_measure(&duration, &duration_text);
2185 if (retval==ERROR_OK)
2187 command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
2189 free(duration_text);
2194 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2202 u32 mem_checksum = 0;
2206 duration_t duration;
2207 char *duration_text;
2209 target_t *target = get_current_target(cmd_ctx);
2213 return ERROR_COMMAND_SYNTAX_ERROR;
2218 LOG_ERROR("no target selected");
2222 duration_start_measure(&duration);
2226 image.base_address_set = 1;
2227 image.base_address = strtoul(args[1], NULL, 0);
2231 image.base_address_set = 0;
2232 image.base_address = 0x0;
2235 image.start_address_set = 0;
2237 if ((retval=image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2244 for (i = 0; i < image.num_sections; i++)
2246 buffer = malloc(image.sections[i].size);
2249 command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2252 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2258 /* calculate checksum of image */
2259 image_calculate_checksum( buffer, buf_cnt, &checksum );
2261 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2262 if( retval != ERROR_OK )
2268 if( checksum != mem_checksum )
2270 /* failed crc checksum, fall back to a binary compare */
2273 command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2275 data = (u8*)malloc(buf_cnt);
2277 /* Can we use 32bit word accesses? */
2279 int count = buf_cnt;
2280 if ((count % 4) == 0)
2285 retval = target->type->read_memory(target, image.sections[i].base_address, size, count, data);
2286 if (retval == ERROR_OK)
2289 for (t = 0; t < buf_cnt; t++)
2291 if (data[t] != buffer[t])
2293 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]);
2306 image_size += buf_cnt;
2309 duration_stop_measure(&duration, &duration_text);
2310 if (retval==ERROR_OK)
2312 command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2314 free(duration_text);
2316 image_close(&image);
2321 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2324 target_t *target = get_current_target(cmd_ctx);
2328 breakpoint_t *breakpoint = target->breakpoints;
2332 if (breakpoint->type == BKPT_SOFT)
2334 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
2335 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
2340 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
2342 breakpoint = breakpoint->next;
2350 length = strtoul(args[1], NULL, 0);
2353 if (strcmp(args[2], "hw") == 0)
2356 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
2358 LOG_ERROR("Failure setting breakpoints");
2362 command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
2367 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2373 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2375 target_t *target = get_current_target(cmd_ctx);
2378 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2383 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2385 target_t *target = get_current_target(cmd_ctx);
2390 watchpoint_t *watchpoint = target->watchpoints;
2394 command_print(cmd_ctx, "address: 0x%8.8x, len: 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);
2395 watchpoint = watchpoint->next;
2400 enum watchpoint_rw type = WPT_ACCESS;
2401 u32 data_value = 0x0;
2402 u32 data_mask = 0xffffffff;
2418 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2424 data_value = strtoul(args[3], NULL, 0);
2428 data_mask = strtoul(args[4], NULL, 0);
2431 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2432 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2434 LOG_ERROR("Failure setting breakpoints");
2439 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2445 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2447 target_t *target = get_current_target(cmd_ctx);
2450 watchpoint_remove(target, strtoul(args[0], NULL, 0));
2455 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
2458 target_t *target = get_current_target(cmd_ctx);
2464 return ERROR_COMMAND_SYNTAX_ERROR;
2466 va = strtoul(args[0], NULL, 0);
2468 retval = target->type->virt2phys(target, va, &pa);
2469 if (retval == ERROR_OK)
2471 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2475 /* lower levels will have logged a detailed error which is
2476 * forwarded to telnet/GDB session.
2481 static void writeLong(FILE *f, int l)
2486 char c=(l>>(i*8))&0xff;
2487 fwrite(&c, 1, 1, f);
2491 static void writeString(FILE *f, char *s)
2493 fwrite(s, 1, strlen(s), f);
2498 // Dump a gmon.out histogram file.
2499 static void writeGmon(u32 *samples, int sampleNum, char *filename)
2502 FILE *f=fopen(filename, "w");
2505 fwrite("gmon", 1, 4, f);
2506 writeLong(f, 0x00000001); // Version
2507 writeLong(f, 0); // padding
2508 writeLong(f, 0); // padding
2509 writeLong(f, 0); // padding
2511 fwrite("", 1, 1, f); // GMON_TAG_TIME_HIST
2513 // figure out bucket size
2516 for (i=0; i<sampleNum; i++)
2528 int addressSpace=(max-min+1);
2530 static int const maxBuckets=256*1024; // maximum buckets.
2531 int length=addressSpace;
2532 if (length > maxBuckets)
2536 int *buckets=malloc(sizeof(int)*length);
2542 memset(buckets, 0, sizeof(int)*length);
2543 for (i=0; i<sampleNum;i++)
2545 u32 address=samples[i];
2546 long long a=address-min;
2547 long long b=length-1;
2548 long long c=addressSpace-1;
2549 int index=(a*b)/c; // danger!!!! int32 overflows
2553 // append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr))
2554 writeLong(f, min); // low_pc
2555 writeLong(f, max); // high_pc
2556 writeLong(f, length); // # of samples
2557 writeLong(f, 64000000); // 64MHz
2558 writeString(f, "seconds");
2559 for (i=0; i<(15-strlen("seconds")); i++)
2561 fwrite("", 1, 1, f); // padding
2563 writeString(f, "s");
2565 // append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size)
2567 char *data=malloc(2*length);
2570 for (i=0; i<length;i++)
2579 data[i*2+1]=(val>>8)&0xff;
2582 fwrite(data, 1, length*2, f);
2592 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
2593 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2595 target_t *target = get_current_target(cmd_ctx);
2596 struct timeval timeout, now;
2598 gettimeofday(&timeout, NULL);
2601 return ERROR_COMMAND_SYNTAX_ERROR;
2604 timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
2610 command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
2612 static const int maxSample=10000;
2613 u32 *samples=malloc(sizeof(u32)*maxSample);
2618 int retval=ERROR_OK;
2619 // hopefully it is safe to cache! We want to stop/restart as quickly as possible.
2620 reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
2624 target_poll(target);
2625 if (target->state == TARGET_HALTED)
2627 u32 t=*((u32 *)reg->value);
2628 samples[numSamples++]=t;
2629 retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2630 target_poll(target);
2631 usleep(10*1000); // sleep 10ms, i.e. <100 samples/second.
2632 } else if (target->state == TARGET_RUNNING)
2634 // We want to quickly sample the PC.
2635 target_halt(target);
2638 command_print(cmd_ctx, "Target not halted or running");
2642 if (retval!=ERROR_OK)
2647 gettimeofday(&now, NULL);
2648 if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
2650 command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
2651 target_poll(target);
2652 if (target->state == TARGET_HALTED)
2654 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2656 target_poll(target);
2657 writeGmon(samples, numSamples, args[1]);
2658 command_print(cmd_ctx, "Wrote %s", args[1]);