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)
223 struct command_context_s *cmd_ctx = priv;
225 if (event == TARGET_EVENT_HALTED)
227 target_unregister_event_callback(target_init_handler, priv);
229 target_invoke_script(cmd_ctx, target, "reset");
231 jtag_execute_queue();
237 int target_run_and_halt_handler(void *priv)
239 target_t *target = priv;
246 int target_poll(struct target_s *target)
248 /* We can't poll until after examine */
249 if (!target->type->examined)
251 /* Fail silently lest we pollute the log */
254 return target->type->poll(target);
257 int target_halt(struct target_s *target)
259 /* We can't poll until after examine */
260 if (!target->type->examined)
262 LOG_ERROR("Target not examined yet");
265 return target->type->halt(target);
268 int target_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution)
270 /* We can't poll until after examine */
271 if (!target->type->examined)
273 LOG_ERROR("Target not examined yet");
276 return target->type->resume(target, current, address, handle_breakpoints, debug_execution);
280 int target_process_reset(struct command_context_s *cmd_ctx)
282 int retval = ERROR_OK;
284 struct timeval timeout, now;
286 jtag->speed(jtag_speed);
291 target_invoke_script(cmd_ctx, target, "pre_reset");
292 target = target->next;
295 if ((retval = jtag_init_reset(cmd_ctx)) != ERROR_OK)
298 /* First time this is executed after launching OpenOCD, it will read out
299 * the type of CPU, etc. and init Embedded ICE registers in host
302 * It will also set up ICE registers in the target.
304 * However, if we assert TRST later, we need to set up the registers again.
306 * For the "reset halt/init" case we must only set up the registers here.
308 if ((retval = target_examine(cmd_ctx)) != ERROR_OK)
311 /* prepare reset_halt where necessary */
315 if (jtag_reset_config & RESET_SRST_PULLS_TRST)
317 switch (target->reset_mode)
320 command_print(cmd_ctx, "nSRST pulls nTRST, falling back to \"reset run_and_halt\"");
321 target->reset_mode = RESET_RUN_AND_HALT;
324 command_print(cmd_ctx, "nSRST pulls nTRST, falling back to \"reset run_and_init\"");
325 target->reset_mode = RESET_RUN_AND_INIT;
331 target = target->next;
337 /* we have no idea what state the target is in, so we
338 * have to drop working areas
340 target_free_all_working_areas_restore(target, 0);
341 target->type->assert_reset(target);
342 target = target->next;
344 if ((retval = jtag_execute_queue()) != ERROR_OK)
346 LOG_WARNING("JTAG communication failed asserting reset.");
350 /* request target halt if necessary, and schedule further action */
354 switch (target->reset_mode)
357 /* nothing to do if target just wants to be run */
359 case RESET_RUN_AND_HALT:
361 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
363 case RESET_RUN_AND_INIT:
365 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
366 target_register_event_callback(target_init_handler, cmd_ctx);
373 target_register_event_callback(target_init_handler, cmd_ctx);
376 LOG_ERROR("BUG: unknown target->reset_mode");
378 target = target->next;
381 if ((retval = jtag_execute_queue()) != ERROR_OK)
383 LOG_WARNING("JTAG communication failed while reset was asserted. Consider using srst_only for reset_config.");
390 target->type->deassert_reset(target);
391 target = target->next;
394 if ((retval = jtag_execute_queue()) != ERROR_OK)
396 LOG_WARNING("JTAG communication failed while deasserting reset.");
400 if (jtag_reset_config & RESET_SRST_PULLS_TRST)
402 /* If TRST was asserted we need to set up registers again */
403 if ((retval = target_examine(cmd_ctx)) != ERROR_OK)
408 LOG_DEBUG("Waiting for halted stated as approperiate");
410 /* Wait for reset to complete, maximum 5 seconds. */
411 gettimeofday(&timeout, NULL);
412 timeval_add_time(&timeout, 5, 0);
415 gettimeofday(&now, NULL);
417 target_call_timer_callbacks_now();
422 LOG_DEBUG("Polling target");
424 if ((target->reset_mode == RESET_RUN_AND_INIT) ||
425 (target->reset_mode == RESET_RUN_AND_HALT) ||
426 (target->reset_mode == RESET_HALT) ||
427 (target->reset_mode == RESET_INIT))
429 if (target->state != TARGET_HALTED)
431 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
433 LOG_USER("Timed out waiting for halt after reset");
436 /* this will send alive messages on e.g. GDB remote protocol. */
438 LOG_USER_N("%s", ""); /* avoid warning about zero length formatting message*/
442 target = target->next;
444 /* All targets we're waiting for are halted */
452 /* We want any events to be processed before the prompt */
453 target_call_timer_callbacks_now();
455 /* if we timed out we need to unregister these handlers */
459 target_unregister_timer_callback(target_run_and_halt_handler, target);
460 target = target->next;
462 target_unregister_event_callback(target_init_handler, cmd_ctx);
465 jtag->speed(jtag_speed_post_reset);
470 static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
476 static int default_mmu(struct target_s *target, int *enabled)
482 static int default_examine(struct command_context_s *cmd_ctx, struct target_s *target)
484 target->type->examined = 1;
489 /* Targets that correctly implement init+examine, i.e.
490 * no communication with target during init:
494 int target_examine(struct command_context_s *cmd_ctx)
496 int retval = ERROR_OK;
497 target_t *target = targets;
500 if ((retval = target->type->examine(cmd_ctx, target))!=ERROR_OK)
502 target = target->next;
507 static int target_write_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
509 if (!target->type->examined)
511 LOG_ERROR("Target not examined yet");
514 return target->type->write_memory_imp(target, address, size, count, buffer);
517 static int target_read_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
519 if (!target->type->examined)
521 LOG_ERROR("Target not examined yet");
524 return target->type->read_memory_imp(target, address, size, count, buffer);
527 static int target_soft_reset_halt_imp(struct target_s *target)
529 if (!target->type->examined)
531 LOG_ERROR("Target not examined yet");
534 return target->type->soft_reset_halt_imp(target);
537 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)
539 if (!target->type->examined)
541 LOG_ERROR("Target not examined yet");
544 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);
547 int target_init(struct command_context_s *cmd_ctx)
549 target_t *target = targets;
553 target->type->examined = 0;
554 if (target->type->examine == NULL)
556 target->type->examine = default_examine;
559 if (target->type->init_target(cmd_ctx, target) != ERROR_OK)
561 LOG_ERROR("target '%s' init failed", target->type->name);
565 /* Set up default functions if none are provided by target */
566 if (target->type->virt2phys == NULL)
568 target->type->virt2phys = default_virt2phys;
570 target->type->virt2phys = default_virt2phys;
571 /* a non-invasive way(in terms of patches) to add some code that
572 * runs before the type->write/read_memory implementation
574 target->type->write_memory_imp = target->type->write_memory;
575 target->type->write_memory = target_write_memory_imp;
576 target->type->read_memory_imp = target->type->read_memory;
577 target->type->read_memory = target_read_memory_imp;
578 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
579 target->type->soft_reset_halt = target_soft_reset_halt_imp;
580 target->type->run_algorithm_imp = target->type->run_algorithm;
581 target->type->run_algorithm = target_run_algorithm_imp;
584 if (target->type->mmu == NULL)
586 target->type->mmu = default_mmu;
588 target = target->next;
593 target_register_user_commands(cmd_ctx);
594 target_register_timer_callback(handle_target, 100, 1, NULL);
600 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
602 target_event_callback_t **callbacks_p = &target_event_callbacks;
604 if (callback == NULL)
606 return ERROR_INVALID_ARGUMENTS;
611 while ((*callbacks_p)->next)
612 callbacks_p = &((*callbacks_p)->next);
613 callbacks_p = &((*callbacks_p)->next);
616 (*callbacks_p) = malloc(sizeof(target_event_callback_t));
617 (*callbacks_p)->callback = callback;
618 (*callbacks_p)->priv = priv;
619 (*callbacks_p)->next = NULL;
624 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
626 target_timer_callback_t **callbacks_p = &target_timer_callbacks;
629 if (callback == NULL)
631 return ERROR_INVALID_ARGUMENTS;
636 while ((*callbacks_p)->next)
637 callbacks_p = &((*callbacks_p)->next);
638 callbacks_p = &((*callbacks_p)->next);
641 (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
642 (*callbacks_p)->callback = callback;
643 (*callbacks_p)->periodic = periodic;
644 (*callbacks_p)->time_ms = time_ms;
646 gettimeofday(&now, NULL);
647 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
648 time_ms -= (time_ms % 1000);
649 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
650 if ((*callbacks_p)->when.tv_usec > 1000000)
652 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
653 (*callbacks_p)->when.tv_sec += 1;
656 (*callbacks_p)->priv = priv;
657 (*callbacks_p)->next = NULL;
662 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
664 target_event_callback_t **p = &target_event_callbacks;
665 target_event_callback_t *c = target_event_callbacks;
667 if (callback == NULL)
669 return ERROR_INVALID_ARGUMENTS;
674 target_event_callback_t *next = c->next;
675 if ((c->callback == callback) && (c->priv == priv))
689 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
691 target_timer_callback_t **p = &target_timer_callbacks;
692 target_timer_callback_t *c = target_timer_callbacks;
694 if (callback == NULL)
696 return ERROR_INVALID_ARGUMENTS;
701 target_timer_callback_t *next = c->next;
702 if ((c->callback == callback) && (c->priv == priv))
716 int target_call_event_callbacks(target_t *target, enum target_event event)
718 target_event_callback_t *callback = target_event_callbacks;
719 target_event_callback_t *next_callback;
721 LOG_DEBUG("target event %i", event);
725 next_callback = callback->next;
726 callback->callback(target, event, callback->priv);
727 callback = next_callback;
733 static int target_call_timer_callbacks_check_time(int checktime)
735 target_timer_callback_t *callback = target_timer_callbacks;
736 target_timer_callback_t *next_callback;
739 gettimeofday(&now, NULL);
743 next_callback = callback->next;
745 if ((!checktime&&callback->periodic)||
746 (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
747 || (now.tv_sec > callback->when.tv_sec)))
749 if(callback->callback != NULL)
751 callback->callback(callback->priv);
752 if (callback->periodic)
754 int time_ms = callback->time_ms;
755 callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
756 time_ms -= (time_ms % 1000);
757 callback->when.tv_sec = now.tv_sec + time_ms / 1000;
758 if (callback->when.tv_usec > 1000000)
760 callback->when.tv_usec = callback->when.tv_usec - 1000000;
761 callback->when.tv_sec += 1;
765 target_unregister_timer_callback(callback->callback, callback->priv);
769 callback = next_callback;
775 int target_call_timer_callbacks()
777 return target_call_timer_callbacks_check_time(1);
780 /* invoke periodic callbacks immediately */
781 int target_call_timer_callbacks_now()
783 return target_call_timer_callbacks(0);
787 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
789 working_area_t *c = target->working_areas;
790 working_area_t *new_wa = NULL;
792 /* Reevaluate working area address based on MMU state*/
793 if (target->working_areas == NULL)
797 retval = target->type->mmu(target, &enabled);
798 if (retval != ERROR_OK)
804 target->working_area = target->working_area_virt;
808 target->working_area = target->working_area_phys;
812 /* only allocate multiples of 4 byte */
815 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
816 size = CEIL(size, 4);
819 /* see if there's already a matching working area */
822 if ((c->free) && (c->size == size))
830 /* if not, allocate a new one */
833 working_area_t **p = &target->working_areas;
834 u32 first_free = target->working_area;
835 u32 free_size = target->working_area_size;
837 LOG_DEBUG("allocating new working area");
839 c = target->working_areas;
842 first_free += c->size;
843 free_size -= c->size;
848 if (free_size < size)
850 LOG_WARNING("not enough working area available(requested %d, free %d)", size, free_size);
851 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
854 new_wa = malloc(sizeof(working_area_t));
857 new_wa->address = first_free;
859 if (target->backup_working_area)
861 new_wa->backup = malloc(new_wa->size);
862 target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup);
866 new_wa->backup = NULL;
869 /* put new entry in list */
873 /* mark as used, and return the new (reused) area */
883 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
888 if (restore&&target->backup_working_area)
889 target->type->write_memory(target, area->address, 4, area->size / 4, area->backup);
893 /* mark user pointer invalid */
900 int target_free_working_area(struct target_s *target, working_area_t *area)
902 return target_free_working_area_restore(target, area, 1);
905 int target_free_all_working_areas_restore(struct target_s *target, int restore)
907 working_area_t *c = target->working_areas;
911 working_area_t *next = c->next;
912 target_free_working_area_restore(target, c, restore);
922 target->working_areas = NULL;
927 int target_free_all_working_areas(struct target_s *target)
929 return target_free_all_working_areas_restore(target, 1);
932 int target_register_commands(struct command_context_s *cmd_ctx)
934 register_command(cmd_ctx, NULL, "target", handle_target_command, COMMAND_CONFIG, "target <cpu> [reset_init default - DEPRECATED] <chainpos> <endianness> <variant> [cpu type specifc args]");
935 register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL);
936 register_command(cmd_ctx, NULL, "target_script", handle_target_script_command, COMMAND_CONFIG,
937 "target_script <target#> <event=reset/pre_reset/post_halt/pre_resume/gdb_program_config> <script_file>");
938 register_command(cmd_ctx, NULL, "run_and_halt_time", handle_run_and_halt_time_command, COMMAND_CONFIG, "<target> <run time ms>");
939 register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_ANY, "working_area <target#> <address> <size> <'backup'|'nobackup'> [virtual address]");
940 register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "virt2phys <virtual address>");
941 register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "PRELIMINARY! - profile <seconds> <gmon.out>");
946 int target_arch_state(struct target_s *target)
951 LOG_USER("No target has been configured");
955 LOG_USER("target state: %s", target_state_strings[target->state]);
957 if (target->state!=TARGET_HALTED)
960 retval=target->type->arch_state(target);
964 /* Single aligned words are guaranteed to use 16 or 32 bit access
965 * mode respectively, otherwise data is handled as quickly as
968 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
971 if (!target->type->examined)
973 LOG_ERROR("Target not examined yet");
977 LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
979 if (((address % 2) == 0) && (size == 2))
981 return target->type->write_memory(target, address, 2, 1, buffer);
984 /* handle unaligned head bytes */
987 int unaligned = 4 - (address % 4);
989 if (unaligned > size)
992 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
996 address += unaligned;
1000 /* handle aligned words */
1003 int aligned = size - (size % 4);
1005 /* use bulk writes above a certain limit. This may have to be changed */
1008 if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1013 if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1022 /* handle tail writes of less than 4 bytes */
1025 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1033 /* Single aligned words are guaranteed to use 16 or 32 bit access
1034 * mode respectively, otherwise data is handled as quickly as
1037 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
1040 if (!target->type->examined)
1042 LOG_ERROR("Target not examined yet");
1046 LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
1048 if (((address % 2) == 0) && (size == 2))
1050 return target->type->read_memory(target, address, 2, 1, buffer);
1053 /* handle unaligned head bytes */
1056 int unaligned = 4 - (address % 4);
1058 if (unaligned > size)
1061 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1064 buffer += unaligned;
1065 address += unaligned;
1069 /* handle aligned words */
1072 int aligned = size - (size % 4);
1074 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1082 /* handle tail writes of less than 4 bytes */
1085 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1092 int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc)
1098 if (!target->type->examined)
1100 LOG_ERROR("Target not examined yet");
1104 if ((retval = target->type->checksum_memory(target, address,
1105 size, &checksum)) == ERROR_TARGET_RESOURCE_NOT_AVAILABLE)
1107 buffer = malloc(size);
1110 LOG_ERROR("error allocating buffer for section (%d bytes)", size);
1111 return ERROR_INVALID_ARGUMENTS;
1113 retval = target_read_buffer(target, address, size, buffer);
1114 if (retval != ERROR_OK)
1120 /* convert to target endianess */
1121 for (i = 0; i < (size/sizeof(u32)); i++)
1124 target_data = target_buffer_get_u32(target, &buffer[i*sizeof(u32)]);
1125 target_buffer_set_u32(target, &buffer[i*sizeof(u32)], target_data);
1128 retval = image_calculate_checksum( buffer, size, &checksum );
1137 int target_blank_check_memory(struct target_s *target, u32 address, u32 size, u32* blank)
1140 if (!target->type->examined)
1142 LOG_ERROR("Target not examined yet");
1146 if (target->type->blank_check_memory == 0)
1147 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1149 retval = target->type->blank_check_memory(target, address, size, blank);
1154 int target_read_u32(struct target_s *target, u32 address, u32 *value)
1157 if (!target->type->examined)
1159 LOG_ERROR("Target not examined yet");
1163 int retval = target->type->read_memory(target, address, 4, 1, value_buf);
1165 if (retval == ERROR_OK)
1167 *value = target_buffer_get_u32(target, value_buf);
1168 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
1173 LOG_DEBUG("address: 0x%8.8x failed", address);
1179 int target_read_u16(struct target_s *target, u32 address, u16 *value)
1182 if (!target->type->examined)
1184 LOG_ERROR("Target not examined yet");
1188 int retval = target->type->read_memory(target, address, 2, 1, value_buf);
1190 if (retval == ERROR_OK)
1192 *value = target_buffer_get_u16(target, value_buf);
1193 LOG_DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
1198 LOG_DEBUG("address: 0x%8.8x failed", address);
1204 int target_read_u8(struct target_s *target, u32 address, u8 *value)
1206 int retval = target->type->read_memory(target, address, 1, 1, value);
1207 if (!target->type->examined)
1209 LOG_ERROR("Target not examined yet");
1213 if (retval == ERROR_OK)
1215 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
1220 LOG_DEBUG("address: 0x%8.8x failed", address);
1226 int target_write_u32(struct target_s *target, u32 address, u32 value)
1230 if (!target->type->examined)
1232 LOG_ERROR("Target not examined yet");
1236 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1238 target_buffer_set_u32(target, value_buf, value);
1239 if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1241 LOG_DEBUG("failed: %i", retval);
1247 int target_write_u16(struct target_s *target, u32 address, u16 value)
1251 if (!target->type->examined)
1253 LOG_ERROR("Target not examined yet");
1257 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1259 target_buffer_set_u16(target, value_buf, value);
1260 if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1262 LOG_DEBUG("failed: %i", retval);
1268 int target_write_u8(struct target_s *target, u32 address, u8 value)
1271 if (!target->type->examined)
1273 LOG_ERROR("Target not examined yet");
1277 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
1279 if ((retval = target->type->read_memory(target, address, 1, 1, &value)) != ERROR_OK)
1281 LOG_DEBUG("failed: %i", retval);
1287 int target_register_user_commands(struct command_context_s *cmd_ctx)
1289 register_command(cmd_ctx, NULL, "reg", handle_reg_command, COMMAND_EXEC, NULL);
1290 register_command(cmd_ctx, NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1291 register_command(cmd_ctx, NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1292 register_command(cmd_ctx, NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1293 register_command(cmd_ctx, NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1294 register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1295 register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init|run_and_halt|run_and_init]");
1296 register_command(cmd_ctx, NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1298 register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
1299 register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
1300 register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
1302 register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value> [count]");
1303 register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value> [count]");
1304 register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value> [count]");
1306 register_command(cmd_ctx, NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
1307 register_command(cmd_ctx, NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
1308 register_command(cmd_ctx, NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
1309 register_command(cmd_ctx, NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
1311 register_command(cmd_ctx, NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex'|'elf'|'s19']");
1312 register_command(cmd_ctx, NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1313 register_command(cmd_ctx, NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1314 register_command(cmd_ctx, NULL, "load_binary", handle_load_image_command, COMMAND_EXEC, "[DEPRECATED] load_binary <file> <address>");
1315 register_command(cmd_ctx, NULL, "dump_binary", handle_dump_image_command, COMMAND_EXEC, "[DEPRECATED] dump_binary <file> <address> <size>");
1317 target_request_register_commands(cmd_ctx);
1318 trace_register_commands(cmd_ctx);
1323 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1325 target_t *target = targets;
1330 int num = strtoul(args[0], NULL, 0);
1335 target = target->next;
1339 cmd_ctx->current_target = num;
1341 command_print(cmd_ctx, "%i is out of bounds, only %i targets are configured", num, count);
1348 command_print(cmd_ctx, "%i: %s (%s), state: %s", count++, target->type->name, target_endianess_strings[target->endianness], target_state_strings[target->state]);
1349 target = target->next;
1355 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1362 return ERROR_COMMAND_SYNTAX_ERROR;
1365 /* search for the specified target */
1366 if (args[0] && (args[0][0] != 0))
1368 for (i = 0; target_types[i]; i++)
1370 if (strcmp(args[0], target_types[i]->name) == 0)
1372 target_t **last_target_p = &targets;
1374 /* register target specific commands */
1375 if (target_types[i]->register_commands(cmd_ctx) != ERROR_OK)
1377 LOG_ERROR("couldn't register '%s' commands", args[0]);
1383 while ((*last_target_p)->next)
1384 last_target_p = &((*last_target_p)->next);
1385 last_target_p = &((*last_target_p)->next);
1388 *last_target_p = malloc(sizeof(target_t));
1390 /* allocate memory for each unique target type */
1391 (*last_target_p)->type = (target_type_t*)malloc(sizeof(target_type_t));
1392 *((*last_target_p)->type) = *target_types[i];
1394 if (strcmp(args[1], "big") == 0)
1395 (*last_target_p)->endianness = TARGET_BIG_ENDIAN;
1396 else if (strcmp(args[1], "little") == 0)
1397 (*last_target_p)->endianness = TARGET_LITTLE_ENDIAN;
1400 LOG_ERROR("endianness must be either 'little' or 'big', not '%s'", args[1]);
1401 return ERROR_COMMAND_SYNTAX_ERROR;
1404 /* what to do on a target reset */
1405 (*last_target_p)->reset_mode = RESET_INIT; /* default */
1406 if (strcmp(args[2], "reset_halt") == 0)
1407 (*last_target_p)->reset_mode = RESET_HALT;
1408 else if (strcmp(args[2], "reset_run") == 0)
1409 (*last_target_p)->reset_mode = RESET_RUN;
1410 else if (strcmp(args[2], "reset_init") == 0)
1411 (*last_target_p)->reset_mode = RESET_INIT;
1412 else if (strcmp(args[2], "run_and_halt") == 0)
1413 (*last_target_p)->reset_mode = RESET_RUN_AND_HALT;
1414 else if (strcmp(args[2], "run_and_init") == 0)
1415 (*last_target_p)->reset_mode = RESET_RUN_AND_INIT;
1418 /* Kludge! we want to make this reset arg optional while remaining compatible! */
1422 (*last_target_p)->run_and_halt_time = 1000; /* default 1s */
1424 (*last_target_p)->working_area = 0x0;
1425 (*last_target_p)->working_area_size = 0x0;
1426 (*last_target_p)->working_areas = NULL;
1427 (*last_target_p)->backup_working_area = 0;
1429 (*last_target_p)->state = TARGET_UNKNOWN;
1430 (*last_target_p)->debug_reason = DBG_REASON_UNDEFINED;
1431 (*last_target_p)->reg_cache = NULL;
1432 (*last_target_p)->breakpoints = NULL;
1433 (*last_target_p)->watchpoints = NULL;
1434 (*last_target_p)->next = NULL;
1435 (*last_target_p)->arch_info = NULL;
1437 /* initialize trace information */
1438 (*last_target_p)->trace_info = malloc(sizeof(trace_t));
1439 (*last_target_p)->trace_info->num_trace_points = 0;
1440 (*last_target_p)->trace_info->trace_points_size = 0;
1441 (*last_target_p)->trace_info->trace_points = NULL;
1442 (*last_target_p)->trace_info->trace_history_size = 0;
1443 (*last_target_p)->trace_info->trace_history = NULL;
1444 (*last_target_p)->trace_info->trace_history_pos = 0;
1445 (*last_target_p)->trace_info->trace_history_overflowed = 0;
1447 (*last_target_p)->dbgmsg = NULL;
1448 (*last_target_p)->dbg_msg_enabled = 0;
1450 (*last_target_p)->type->target_command(cmd_ctx, cmd, args, argc, *last_target_p);
1458 /* no matching target found */
1461 LOG_ERROR("target '%s' not found", args[0]);
1462 return ERROR_COMMAND_SYNTAX_ERROR;
1468 int target_invoke_script(struct command_context_s *cmd_ctx, target_t *target, char *name)
1470 return command_run_linef(cmd_ctx, " if {[catch {info body target_%s_%d} t]==0} {target_%s_%d}",
1471 name, get_num_by_target(target),
1472 name, get_num_by_target(target));
1476 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1478 target_t *target = NULL;
1482 LOG_ERROR("incomplete target_script command");
1483 return ERROR_COMMAND_SYNTAX_ERROR;
1486 target = get_target_by_num(strtoul(args[0], NULL, 0));
1490 return ERROR_COMMAND_SYNTAX_ERROR;
1493 /* Define a tcl procedure which we'll invoke upon some event */
1494 command_run_linef(cmd_ctx,
1495 "proc target_%s_%d {} {"
1496 "openocd {script %s}"
1499 get_num_by_target(target),
1505 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1507 target_t *target = NULL;
1511 return ERROR_COMMAND_SYNTAX_ERROR;
1514 target = get_target_by_num(strtoul(args[0], NULL, 0));
1517 return ERROR_COMMAND_SYNTAX_ERROR;
1520 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1525 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1527 target_t *target = NULL;
1529 if ((argc < 4) || (argc > 5))
1531 return ERROR_COMMAND_SYNTAX_ERROR;
1534 target = get_target_by_num(strtoul(args[0], NULL, 0));
1537 return ERROR_COMMAND_SYNTAX_ERROR;
1539 target_free_all_working_areas(target);
1541 target->working_area_phys = target->working_area_virt = strtoul(args[1], NULL, 0);
1544 target->working_area_virt = strtoul(args[4], NULL, 0);
1546 target->working_area_size = strtoul(args[2], NULL, 0);
1548 if (strcmp(args[3], "backup") == 0)
1550 target->backup_working_area = 1;
1552 else if (strcmp(args[3], "nobackup") == 0)
1554 target->backup_working_area = 0;
1558 LOG_ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
1559 return ERROR_COMMAND_SYNTAX_ERROR;
1566 /* process target state changes */
1567 int handle_target(void *priv)
1569 target_t *target = targets;
1573 if (target_continous_poll)
1575 /* polling may fail silently until the target has been examined */
1576 target_poll(target);
1579 target = target->next;
1585 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1594 target = get_current_target(cmd_ctx);
1596 /* list all available registers for the current target */
1599 reg_cache_t *cache = target->reg_cache;
1605 for (i = 0; i < cache->num_regs; i++)
1607 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1608 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);
1611 cache = cache->next;
1617 /* access a single register by its ordinal number */
1618 if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1620 int num = strtoul(args[0], NULL, 0);
1621 reg_cache_t *cache = target->reg_cache;
1627 for (i = 0; i < cache->num_regs; i++)
1631 reg = &cache->reg_list[i];
1637 cache = cache->next;
1642 command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1645 } else /* access a single register by its name */
1647 reg = register_get_by_name(target->reg_cache, args[0], 1);
1651 command_print(cmd_ctx, "register %s not found in current target", args[0]);
1656 /* display a register */
1657 if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1659 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1662 if (reg->valid == 0)
1664 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1665 if (arch_type == NULL)
1667 LOG_ERROR("BUG: encountered unregistered arch type");
1670 arch_type->get(reg);
1672 value = buf_to_str(reg->value, reg->size, 16);
1673 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1678 /* set register value */
1681 u8 *buf = malloc(CEIL(reg->size, 8));
1682 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1684 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1685 if (arch_type == NULL)
1687 LOG_ERROR("BUG: encountered unregistered arch type");
1691 arch_type->set(reg, buf);
1693 value = buf_to_str(reg->value, reg->size, 16);
1694 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1702 command_print(cmd_ctx, "usage: reg <#|name> [value]");
1707 static int wait_state(struct command_context_s *cmd_ctx, char *cmd, enum target_state state, int ms);
1709 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1711 target_t *target = get_current_target(cmd_ctx);
1715 target_poll(target);
1716 target_arch_state(target);
1720 if (strcmp(args[0], "on") == 0)
1722 target_continous_poll = 1;
1724 else if (strcmp(args[0], "off") == 0)
1726 target_continous_poll = 0;
1730 command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1738 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1746 ms = strtoul(args[0], &end, 0) * 1000;
1749 command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1754 return wait_state(cmd_ctx, cmd, TARGET_HALTED, ms);
1757 static void target_process_events(struct command_context_s *cmd_ctx)
1759 target_t *target = get_current_target(cmd_ctx);
1760 target_poll(target);
1761 target_call_timer_callbacks_now();
1764 static int wait_state(struct command_context_s *cmd_ctx, char *cmd, enum target_state state, int ms)
1767 struct timeval timeout, now;
1769 gettimeofday(&timeout, NULL);
1770 timeval_add_time(&timeout, 0, ms * 1000);
1772 target_t *target = get_current_target(cmd_ctx);
1775 if ((retval=target_poll(target))!=ERROR_OK)
1777 target_call_timer_callbacks_now();
1778 if (target->state == state)
1785 command_print(cmd_ctx, "waiting for target %s...", target_state_strings[state]);
1788 gettimeofday(&now, NULL);
1789 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
1791 LOG_ERROR("timed out while waiting for target %s", target_state_strings[state]);
1799 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1802 target_t *target = get_current_target(cmd_ctx);
1806 if ((retval = target_halt(target)) != ERROR_OK)
1811 return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1815 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1817 target_t *target = get_current_target(cmd_ctx);
1819 LOG_USER("requesting target halt and executing a soft reset");
1821 target->type->soft_reset_halt(target);
1826 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1828 target_t *target = get_current_target(cmd_ctx);
1829 enum target_reset_mode reset_mode = target->reset_mode;
1830 enum target_reset_mode save = target->reset_mode;
1836 if (strcmp("run", args[0]) == 0)
1837 reset_mode = RESET_RUN;
1838 else if (strcmp("halt", args[0]) == 0)
1839 reset_mode = RESET_HALT;
1840 else if (strcmp("init", args[0]) == 0)
1841 reset_mode = RESET_INIT;
1842 else if (strcmp("run_and_halt", args[0]) == 0)
1844 reset_mode = RESET_RUN_AND_HALT;
1847 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1850 else if (strcmp("run_and_init", args[0]) == 0)
1852 reset_mode = RESET_RUN_AND_INIT;
1855 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1860 command_print(cmd_ctx, "usage: reset ['run', 'halt', 'init', 'run_and_halt', 'run_and_init]");
1865 /* temporarily modify mode of current reset target */
1866 target->reset_mode = reset_mode;
1868 /* reset *all* targets */
1869 target_process_reset(cmd_ctx);
1871 /* Restore default reset mode for this target */
1872 target->reset_mode = save;
1877 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1880 target_t *target = get_current_target(cmd_ctx);
1883 retval = target_resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1885 retval = target_resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1888 return ERROR_COMMAND_SYNTAX_ERROR;
1891 target_process_events(cmd_ctx);
1896 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1898 target_t *target = get_current_target(cmd_ctx);
1903 target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1906 target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1911 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1913 const int line_bytecnt = 32;
1926 target_t *target = get_current_target(cmd_ctx);
1932 count = strtoul(args[1], NULL, 0);
1934 address = strtoul(args[0], NULL, 0);
1940 size = 4; line_modulo = line_bytecnt / 4;
1943 size = 2; line_modulo = line_bytecnt / 2;
1946 size = 1; line_modulo = line_bytecnt / 1;
1952 buffer = calloc(count, size);
1953 retval = target->type->read_memory(target, address, size, count, buffer);
1954 if (retval == ERROR_OK)
1958 for (i = 0; i < count; i++)
1960 if (i%line_modulo == 0)
1961 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1966 output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1969 output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1972 output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1976 if ((i%line_modulo == line_modulo-1) || (i == count - 1))
1978 command_print(cmd_ctx, output);
1989 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1996 target_t *target = get_current_target(cmd_ctx);
1999 if ((argc < 2) || (argc > 3))
2000 return ERROR_COMMAND_SYNTAX_ERROR;
2002 address = strtoul(args[0], NULL, 0);
2003 value = strtoul(args[1], NULL, 0);
2005 count = strtoul(args[2], NULL, 0);
2012 target_buffer_set_u32(target, value_buf, value);
2016 target_buffer_set_u16(target, value_buf, value);
2020 value_buf[0] = value;
2023 return ERROR_COMMAND_SYNTAX_ERROR;
2025 for (i=0; i<count; i++)
2031 retval = target->type->write_memory(target, address + i*wordsize, 4, 1, value_buf);
2034 retval = target->type->write_memory(target, address + i*wordsize, 2, 1, value_buf);
2037 retval = target->type->write_memory(target, address + i*wordsize, 1, 1, value_buf);
2042 if (retval!=ERROR_OK)
2052 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2062 duration_t duration;
2063 char *duration_text;
2065 target_t *target = get_current_target(cmd_ctx);
2069 command_print(cmd_ctx, "usage: load_image <filename> [address] [type]");
2073 /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
2076 image.base_address_set = 1;
2077 image.base_address = strtoul(args[1], NULL, 0);
2081 image.base_address_set = 0;
2084 image.start_address_set = 0;
2086 duration_start_measure(&duration);
2088 if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2095 for (i = 0; i < image.num_sections; i++)
2097 buffer = malloc(image.sections[i].size);
2100 command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2104 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2109 if ((retval = target_write_buffer(target, image.sections[i].base_address, buf_cnt, buffer)) != ERROR_OK)
2114 image_size += buf_cnt;
2115 command_print(cmd_ctx, "%u byte written at address 0x%8.8x", buf_cnt, image.sections[i].base_address);
2120 duration_stop_measure(&duration, &duration_text);
2121 if (retval==ERROR_OK)
2123 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
2125 free(duration_text);
2127 image_close(&image);
2133 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2140 int retval=ERROR_OK;
2142 duration_t duration;
2143 char *duration_text;
2145 target_t *target = get_current_target(cmd_ctx);
2149 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2153 address = strtoul(args[1], NULL, 0);
2154 size = strtoul(args[2], NULL, 0);
2156 if ((address & 3) || (size & 3))
2158 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
2162 if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2167 duration_start_measure(&duration);
2172 u32 this_run_size = (size > 560) ? 560 : size;
2174 retval = target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
2175 if (retval != ERROR_OK)
2180 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2181 if (retval != ERROR_OK)
2186 size -= this_run_size;
2187 address += this_run_size;
2190 fileio_close(&fileio);
2192 duration_stop_measure(&duration, &duration_text);
2193 if (retval==ERROR_OK)
2195 command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
2197 free(duration_text);
2202 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2210 u32 mem_checksum = 0;
2214 duration_t duration;
2215 char *duration_text;
2217 target_t *target = get_current_target(cmd_ctx);
2221 return ERROR_COMMAND_SYNTAX_ERROR;
2226 LOG_ERROR("no target selected");
2230 duration_start_measure(&duration);
2234 image.base_address_set = 1;
2235 image.base_address = strtoul(args[1], NULL, 0);
2239 image.base_address_set = 0;
2240 image.base_address = 0x0;
2243 image.start_address_set = 0;
2245 if ((retval=image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2252 for (i = 0; i < image.num_sections; i++)
2254 buffer = malloc(image.sections[i].size);
2257 command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2260 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2266 /* calculate checksum of image */
2267 image_calculate_checksum( buffer, buf_cnt, &checksum );
2269 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2270 if( retval != ERROR_OK )
2276 if( checksum != mem_checksum )
2278 /* failed crc checksum, fall back to a binary compare */
2281 command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2283 data = (u8*)malloc(buf_cnt);
2285 /* Can we use 32bit word accesses? */
2287 int count = buf_cnt;
2288 if ((count % 4) == 0)
2293 retval = target->type->read_memory(target, image.sections[i].base_address, size, count, data);
2294 if (retval == ERROR_OK)
2297 for (t = 0; t < buf_cnt; t++)
2299 if (data[t] != buffer[t])
2301 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]);
2314 image_size += buf_cnt;
2317 duration_stop_measure(&duration, &duration_text);
2318 if (retval==ERROR_OK)
2320 command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2322 free(duration_text);
2324 image_close(&image);
2329 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2332 target_t *target = get_current_target(cmd_ctx);
2336 breakpoint_t *breakpoint = target->breakpoints;
2340 if (breakpoint->type == BKPT_SOFT)
2342 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
2343 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
2348 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
2350 breakpoint = breakpoint->next;
2358 length = strtoul(args[1], NULL, 0);
2361 if (strcmp(args[2], "hw") == 0)
2364 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
2366 LOG_ERROR("Failure setting breakpoints");
2370 command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
2375 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2381 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2383 target_t *target = get_current_target(cmd_ctx);
2386 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2391 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2393 target_t *target = get_current_target(cmd_ctx);
2398 watchpoint_t *watchpoint = target->watchpoints;
2402 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);
2403 watchpoint = watchpoint->next;
2408 enum watchpoint_rw type = WPT_ACCESS;
2409 u32 data_value = 0x0;
2410 u32 data_mask = 0xffffffff;
2426 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2432 data_value = strtoul(args[3], NULL, 0);
2436 data_mask = strtoul(args[4], NULL, 0);
2439 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2440 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2442 LOG_ERROR("Failure setting breakpoints");
2447 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2453 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2455 target_t *target = get_current_target(cmd_ctx);
2458 watchpoint_remove(target, strtoul(args[0], NULL, 0));
2463 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
2466 target_t *target = get_current_target(cmd_ctx);
2472 return ERROR_COMMAND_SYNTAX_ERROR;
2474 va = strtoul(args[0], NULL, 0);
2476 retval = target->type->virt2phys(target, va, &pa);
2477 if (retval == ERROR_OK)
2479 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2483 /* lower levels will have logged a detailed error which is
2484 * forwarded to telnet/GDB session.
2489 static void writeLong(FILE *f, int l)
2494 char c=(l>>(i*8))&0xff;
2495 fwrite(&c, 1, 1, f);
2499 static void writeString(FILE *f, char *s)
2501 fwrite(s, 1, strlen(s), f);
2506 // Dump a gmon.out histogram file.
2507 static void writeGmon(u32 *samples, int sampleNum, char *filename)
2510 FILE *f=fopen(filename, "w");
2513 fwrite("gmon", 1, 4, f);
2514 writeLong(f, 0x00000001); // Version
2515 writeLong(f, 0); // padding
2516 writeLong(f, 0); // padding
2517 writeLong(f, 0); // padding
2519 fwrite("", 1, 1, f); // GMON_TAG_TIME_HIST
2521 // figure out bucket size
2524 for (i=0; i<sampleNum; i++)
2536 int addressSpace=(max-min+1);
2538 static int const maxBuckets=256*1024; // maximum buckets.
2539 int length=addressSpace;
2540 if (length > maxBuckets)
2544 int *buckets=malloc(sizeof(int)*length);
2550 memset(buckets, 0, sizeof(int)*length);
2551 for (i=0; i<sampleNum;i++)
2553 u32 address=samples[i];
2554 long long a=address-min;
2555 long long b=length-1;
2556 long long c=addressSpace-1;
2557 int index=(a*b)/c; // danger!!!! int32 overflows
2561 // append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr))
2562 writeLong(f, min); // low_pc
2563 writeLong(f, max); // high_pc
2564 writeLong(f, length); // # of samples
2565 writeLong(f, 64000000); // 64MHz
2566 writeString(f, "seconds");
2567 for (i=0; i<(15-strlen("seconds")); i++)
2569 fwrite("", 1, 1, f); // padding
2571 writeString(f, "s");
2573 // append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size)
2575 char *data=malloc(2*length);
2578 for (i=0; i<length;i++)
2587 data[i*2+1]=(val>>8)&0xff;
2590 fwrite(data, 1, length*2, f);
2600 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
2601 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2603 target_t *target = get_current_target(cmd_ctx);
2604 struct timeval timeout, now;
2606 gettimeofday(&timeout, NULL);
2609 return ERROR_COMMAND_SYNTAX_ERROR;
2612 timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
2618 command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
2620 static const int maxSample=10000;
2621 u32 *samples=malloc(sizeof(u32)*maxSample);
2626 int retval=ERROR_OK;
2627 // hopefully it is safe to cache! We want to stop/restart as quickly as possible.
2628 reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
2632 target_poll(target);
2633 if (target->state == TARGET_HALTED)
2635 u32 t=*((u32 *)reg->value);
2636 samples[numSamples++]=t;
2637 retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2638 target_poll(target);
2639 usleep(10*1000); // sleep 10ms, i.e. <100 samples/second.
2640 } else if (target->state == TARGET_RUNNING)
2642 // We want to quickly sample the PC.
2643 target_halt(target);
2646 command_print(cmd_ctx, "Target not halted or running");
2650 if (retval!=ERROR_OK)
2655 gettimeofday(&now, NULL);
2656 if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
2658 command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
2659 target_poll(target);
2660 if (target->state == TARGET_HALTED)
2662 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2664 target_poll(target);
2665 writeGmon(samples, numSamples, args[1]);
2666 command_print(cmd_ctx, "Wrote %s", args[1]);