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 static void execute_script(struct command_context_s *cmd_ctx, char *reset_script)
220 if (reset_script==NULL)
223 script = open_file_from_path(reset_script, "r");
226 LOG_ERROR("couldn't open script file %s", reset_script);
230 LOG_INFO("executing script '%s'", reset_script);
231 command_run_file(cmd_ctx, script, COMMAND_EXEC);
235 /* Process target initialization, when target entered debug out of reset
236 * the handler is unregistered at the end of this function, so it's only called once
238 int target_init_handler(struct target_s *target, enum target_event event, void *priv)
240 struct command_context_s *cmd_ctx = priv;
242 if (event == TARGET_EVENT_HALTED)
244 target_unregister_event_callback(target_init_handler, priv);
246 execute_script(cmd_ctx, target->reset_script);
248 jtag_execute_queue();
254 int target_run_and_halt_handler(void *priv)
256 target_t *target = priv;
263 int target_poll(struct target_s *target)
265 /* We can't poll until after examine */
266 if (!target->type->examined)
268 /* Fail silently lest we pollute the log */
271 return target->type->poll(target);
274 int target_halt(struct target_s *target)
276 /* We can't poll until after examine */
277 if (!target->type->examined)
279 LOG_ERROR("Target not examined yet");
282 return target->type->halt(target);
285 int target_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution)
287 /* We can't poll until after examine */
288 if (!target->type->examined)
290 LOG_ERROR("Target not examined yet");
293 return target->type->resume(target, current, address, handle_breakpoints, debug_execution);
297 int target_process_reset(struct command_context_s *cmd_ctx)
299 int retval = ERROR_OK;
301 struct timeval timeout, now;
303 jtag->speed(jtag_speed);
308 execute_script(cmd_ctx, target->pre_reset_script);
309 target = target->next;
312 if ((retval = jtag_init_reset(cmd_ctx)) != ERROR_OK)
315 /* First time this is executed after launching OpenOCD, it will read out
316 * the type of CPU, etc. and init Embedded ICE registers in host
319 * It will also set up ICE registers in the target.
321 * However, if we assert TRST later, we need to set up the registers again.
323 * For the "reset halt/init" case we must only set up the registers here.
325 if ((retval = target_examine(cmd_ctx)) != ERROR_OK)
328 /* prepare reset_halt where necessary */
332 if (jtag_reset_config & RESET_SRST_PULLS_TRST)
334 switch (target->reset_mode)
337 command_print(cmd_ctx, "nSRST pulls nTRST, falling back to \"reset run_and_halt\"");
338 target->reset_mode = RESET_RUN_AND_HALT;
341 command_print(cmd_ctx, "nSRST pulls nTRST, falling back to \"reset run_and_init\"");
342 target->reset_mode = RESET_RUN_AND_INIT;
348 target = target->next;
354 /* we have no idea what state the target is in, so we
355 * have to drop working areas
357 target_free_all_working_areas_restore(target, 0);
358 target->type->assert_reset(target);
359 target = target->next;
361 if ((retval = jtag_execute_queue()) != ERROR_OK)
363 LOG_WARNING("JTAG communication failed asserting reset.");
367 /* request target halt if necessary, and schedule further action */
371 switch (target->reset_mode)
374 /* nothing to do if target just wants to be run */
376 case RESET_RUN_AND_HALT:
378 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
380 case RESET_RUN_AND_INIT:
382 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
383 target_register_event_callback(target_init_handler, cmd_ctx);
390 target_register_event_callback(target_init_handler, cmd_ctx);
393 LOG_ERROR("BUG: unknown target->reset_mode");
395 target = target->next;
398 if ((retval = jtag_execute_queue()) != ERROR_OK)
400 LOG_WARNING("JTAG communication failed while reset was asserted. Consider using srst_only for reset_config.");
407 target->type->deassert_reset(target);
408 target = target->next;
411 if ((retval = jtag_execute_queue()) != ERROR_OK)
413 LOG_WARNING("JTAG communication failed while deasserting reset.");
417 if (jtag_reset_config & RESET_SRST_PULLS_TRST)
419 /* If TRST was asserted we need to set up registers again */
420 if ((retval = target_examine(cmd_ctx)) != ERROR_OK)
425 LOG_DEBUG("Waiting for halted stated as approperiate");
427 /* Wait for reset to complete, maximum 5 seconds. */
428 gettimeofday(&timeout, NULL);
429 timeval_add_time(&timeout, 5, 0);
432 gettimeofday(&now, NULL);
434 target_call_timer_callbacks_now();
439 LOG_DEBUG("Polling target");
441 if ((target->reset_mode == RESET_RUN_AND_INIT) ||
442 (target->reset_mode == RESET_RUN_AND_HALT) ||
443 (target->reset_mode == RESET_HALT) ||
444 (target->reset_mode == RESET_INIT))
446 if (target->state != TARGET_HALTED)
448 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
450 LOG_USER("Timed out waiting for halt after reset");
453 /* this will send alive messages on e.g. GDB remote protocol. */
455 LOG_USER_N("%s", ""); /* avoid warning about zero length formatting message*/
459 target = target->next;
461 /* All targets we're waiting for are halted */
469 /* We want any events to be processed before the prompt */
470 target_call_timer_callbacks_now();
472 /* if we timed out we need to unregister these handlers */
476 target_unregister_timer_callback(target_run_and_halt_handler, target);
477 target = target->next;
479 target_unregister_event_callback(target_init_handler, cmd_ctx);
482 jtag->speed(jtag_speed_post_reset);
487 static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
493 static int default_mmu(struct target_s *target, int *enabled)
499 static int default_examine(struct command_context_s *cmd_ctx, struct target_s *target)
501 target->type->examined = 1;
506 /* Targets that correctly implement init+examine, i.e.
507 * no communication with target during init:
511 int target_examine(struct command_context_s *cmd_ctx)
513 int retval = ERROR_OK;
514 target_t *target = targets;
517 if ((retval = target->type->examine(cmd_ctx, target))!=ERROR_OK)
519 target = target->next;
524 static int target_write_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
526 if (!target->type->examined)
528 LOG_ERROR("Target not examined yet");
531 return target->type->write_memory_imp(target, address, size, count, buffer);
534 static int target_read_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
536 if (!target->type->examined)
538 LOG_ERROR("Target not examined yet");
541 return target->type->read_memory_imp(target, address, size, count, buffer);
544 static int target_soft_reset_halt_imp(struct target_s *target)
546 if (!target->type->examined)
548 LOG_ERROR("Target not examined yet");
551 return target->type->soft_reset_halt_imp(target);
554 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)
556 if (!target->type->examined)
558 LOG_ERROR("Target not examined yet");
561 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);
564 int target_init(struct command_context_s *cmd_ctx)
566 target_t *target = targets;
570 target->type->examined = 0;
571 if (target->type->examine == NULL)
573 target->type->examine = default_examine;
576 if (target->type->init_target(cmd_ctx, target) != ERROR_OK)
578 LOG_ERROR("target '%s' init failed", target->type->name);
582 /* Set up default functions if none are provided by target */
583 if (target->type->virt2phys == NULL)
585 target->type->virt2phys = default_virt2phys;
587 target->type->virt2phys = default_virt2phys;
588 /* a non-invasive way(in terms of patches) to add some code that
589 * runs before the type->write/read_memory implementation
591 target->type->write_memory_imp = target->type->write_memory;
592 target->type->write_memory = target_write_memory_imp;
593 target->type->read_memory_imp = target->type->read_memory;
594 target->type->read_memory = target_read_memory_imp;
595 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
596 target->type->soft_reset_halt = target_soft_reset_halt_imp;
597 target->type->run_algorithm_imp = target->type->run_algorithm;
598 target->type->run_algorithm = target_run_algorithm_imp;
601 if (target->type->mmu == NULL)
603 target->type->mmu = default_mmu;
605 target = target->next;
610 target_register_user_commands(cmd_ctx);
611 target_register_timer_callback(handle_target, 100, 1, NULL);
617 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
619 target_event_callback_t **callbacks_p = &target_event_callbacks;
621 if (callback == NULL)
623 return ERROR_INVALID_ARGUMENTS;
628 while ((*callbacks_p)->next)
629 callbacks_p = &((*callbacks_p)->next);
630 callbacks_p = &((*callbacks_p)->next);
633 (*callbacks_p) = malloc(sizeof(target_event_callback_t));
634 (*callbacks_p)->callback = callback;
635 (*callbacks_p)->priv = priv;
636 (*callbacks_p)->next = NULL;
641 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
643 target_timer_callback_t **callbacks_p = &target_timer_callbacks;
646 if (callback == NULL)
648 return ERROR_INVALID_ARGUMENTS;
653 while ((*callbacks_p)->next)
654 callbacks_p = &((*callbacks_p)->next);
655 callbacks_p = &((*callbacks_p)->next);
658 (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
659 (*callbacks_p)->callback = callback;
660 (*callbacks_p)->periodic = periodic;
661 (*callbacks_p)->time_ms = time_ms;
663 gettimeofday(&now, NULL);
664 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
665 time_ms -= (time_ms % 1000);
666 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
667 if ((*callbacks_p)->when.tv_usec > 1000000)
669 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
670 (*callbacks_p)->when.tv_sec += 1;
673 (*callbacks_p)->priv = priv;
674 (*callbacks_p)->next = NULL;
679 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
681 target_event_callback_t **p = &target_event_callbacks;
682 target_event_callback_t *c = target_event_callbacks;
684 if (callback == NULL)
686 return ERROR_INVALID_ARGUMENTS;
691 target_event_callback_t *next = c->next;
692 if ((c->callback == callback) && (c->priv == priv))
706 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
708 target_timer_callback_t **p = &target_timer_callbacks;
709 target_timer_callback_t *c = target_timer_callbacks;
711 if (callback == NULL)
713 return ERROR_INVALID_ARGUMENTS;
718 target_timer_callback_t *next = c->next;
719 if ((c->callback == callback) && (c->priv == priv))
733 int target_call_event_callbacks(target_t *target, enum target_event event)
735 target_event_callback_t *callback = target_event_callbacks;
736 target_event_callback_t *next_callback;
738 LOG_DEBUG("target event %i", event);
742 next_callback = callback->next;
743 callback->callback(target, event, callback->priv);
744 callback = next_callback;
750 static int target_call_timer_callbacks_check_time(int checktime)
752 target_timer_callback_t *callback = target_timer_callbacks;
753 target_timer_callback_t *next_callback;
756 gettimeofday(&now, NULL);
760 next_callback = callback->next;
762 if ((!checktime&&callback->periodic)||
763 (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
764 || (now.tv_sec > callback->when.tv_sec)))
766 if(callback->callback != NULL)
768 callback->callback(callback->priv);
769 if (callback->periodic)
771 int time_ms = callback->time_ms;
772 callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
773 time_ms -= (time_ms % 1000);
774 callback->when.tv_sec = now.tv_sec + time_ms / 1000;
775 if (callback->when.tv_usec > 1000000)
777 callback->when.tv_usec = callback->when.tv_usec - 1000000;
778 callback->when.tv_sec += 1;
782 target_unregister_timer_callback(callback->callback, callback->priv);
786 callback = next_callback;
792 int target_call_timer_callbacks()
794 return target_call_timer_callbacks_check_time(1);
797 /* invoke periodic callbacks immediately */
798 int target_call_timer_callbacks_now()
800 return target_call_timer_callbacks(0);
804 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
806 working_area_t *c = target->working_areas;
807 working_area_t *new_wa = NULL;
809 /* Reevaluate working area address based on MMU state*/
810 if (target->working_areas == NULL)
814 retval = target->type->mmu(target, &enabled);
815 if (retval != ERROR_OK)
821 target->working_area = target->working_area_virt;
825 target->working_area = target->working_area_phys;
829 /* only allocate multiples of 4 byte */
832 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
833 size = CEIL(size, 4);
836 /* see if there's already a matching working area */
839 if ((c->free) && (c->size == size))
847 /* if not, allocate a new one */
850 working_area_t **p = &target->working_areas;
851 u32 first_free = target->working_area;
852 u32 free_size = target->working_area_size;
854 LOG_DEBUG("allocating new working area");
856 c = target->working_areas;
859 first_free += c->size;
860 free_size -= c->size;
865 if (free_size < size)
867 LOG_WARNING("not enough working area available(requested %d, free %d)", size, free_size);
868 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
871 new_wa = malloc(sizeof(working_area_t));
874 new_wa->address = first_free;
876 if (target->backup_working_area)
878 new_wa->backup = malloc(new_wa->size);
879 target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup);
883 new_wa->backup = NULL;
886 /* put new entry in list */
890 /* mark as used, and return the new (reused) area */
900 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
905 if (restore&&target->backup_working_area)
906 target->type->write_memory(target, area->address, 4, area->size / 4, area->backup);
910 /* mark user pointer invalid */
917 int target_free_working_area(struct target_s *target, working_area_t *area)
919 return target_free_working_area_restore(target, area, 1);
922 int target_free_all_working_areas_restore(struct target_s *target, int restore)
924 working_area_t *c = target->working_areas;
928 working_area_t *next = c->next;
929 target_free_working_area_restore(target, c, restore);
939 target->working_areas = NULL;
944 int target_free_all_working_areas(struct target_s *target)
946 return target_free_all_working_areas_restore(target, 1);
949 int target_register_commands(struct command_context_s *cmd_ctx)
951 register_command(cmd_ctx, NULL, "target", handle_target_command, COMMAND_CONFIG, "target <cpu> [reset_init default - DEPRECATED] <chainpos> <endianness> <variant> [cpu type specifc args]");
952 register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL);
953 register_command(cmd_ctx, NULL, "target_script", handle_target_script_command, COMMAND_CONFIG, NULL);
954 register_command(cmd_ctx, NULL, "run_and_halt_time", handle_run_and_halt_time_command, COMMAND_CONFIG, "<target> <run time ms>");
955 register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_ANY, "working_area <target#> <address> <size> <'backup'|'nobackup'> [virtual address]");
956 register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "virt2phys <virtual address>");
957 register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "PRELIMINARY! - profile <seconds> <gmon.out>");
962 int target_arch_state(struct target_s *target)
967 LOG_USER("No target has been configured");
971 LOG_USER("target state: %s", target_state_strings[target->state]);
973 if (target->state!=TARGET_HALTED)
976 retval=target->type->arch_state(target);
980 /* Single aligned words are guaranteed to use 16 or 32 bit access
981 * mode respectively, otherwise data is handled as quickly as
984 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
987 if (!target->type->examined)
989 LOG_ERROR("Target not examined yet");
993 LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
995 if (((address % 2) == 0) && (size == 2))
997 return target->type->write_memory(target, address, 2, 1, buffer);
1000 /* handle unaligned head bytes */
1003 int unaligned = 4 - (address % 4);
1005 if (unaligned > size)
1008 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1011 buffer += unaligned;
1012 address += unaligned;
1016 /* handle aligned words */
1019 int aligned = size - (size % 4);
1021 /* use bulk writes above a certain limit. This may have to be changed */
1024 if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1029 if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1038 /* handle tail writes of less than 4 bytes */
1041 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1049 /* Single aligned words are guaranteed to use 16 or 32 bit access
1050 * mode respectively, otherwise data is handled as quickly as
1053 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
1056 if (!target->type->examined)
1058 LOG_ERROR("Target not examined yet");
1062 LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
1064 if (((address % 2) == 0) && (size == 2))
1066 return target->type->read_memory(target, address, 2, 1, buffer);
1069 /* handle unaligned head bytes */
1072 int unaligned = 4 - (address % 4);
1074 if (unaligned > size)
1077 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1080 buffer += unaligned;
1081 address += unaligned;
1085 /* handle aligned words */
1088 int aligned = size - (size % 4);
1090 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1098 /* handle tail writes of less than 4 bytes */
1101 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1108 int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc)
1114 if (!target->type->examined)
1116 LOG_ERROR("Target not examined yet");
1120 if ((retval = target->type->checksum_memory(target, address,
1121 size, &checksum)) == ERROR_TARGET_RESOURCE_NOT_AVAILABLE)
1123 buffer = malloc(size);
1126 LOG_ERROR("error allocating buffer for section (%d bytes)", size);
1127 return ERROR_INVALID_ARGUMENTS;
1129 retval = target_read_buffer(target, address, size, buffer);
1130 if (retval != ERROR_OK)
1136 /* convert to target endianess */
1137 for (i = 0; i < (size/sizeof(u32)); i++)
1140 target_data = target_buffer_get_u32(target, &buffer[i*sizeof(u32)]);
1141 target_buffer_set_u32(target, &buffer[i*sizeof(u32)], target_data);
1144 retval = image_calculate_checksum( buffer, size, &checksum );
1153 int target_blank_check_memory(struct target_s *target, u32 address, u32 size, u32* blank)
1156 if (!target->type->examined)
1158 LOG_ERROR("Target not examined yet");
1162 if (target->type->blank_check_memory == 0)
1163 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1165 retval = target->type->blank_check_memory(target, address, size, blank);
1170 int target_read_u32(struct target_s *target, u32 address, u32 *value)
1173 if (!target->type->examined)
1175 LOG_ERROR("Target not examined yet");
1179 int retval = target->type->read_memory(target, address, 4, 1, value_buf);
1181 if (retval == ERROR_OK)
1183 *value = target_buffer_get_u32(target, value_buf);
1184 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
1189 LOG_DEBUG("address: 0x%8.8x failed", address);
1195 int target_read_u16(struct target_s *target, u32 address, u16 *value)
1198 if (!target->type->examined)
1200 LOG_ERROR("Target not examined yet");
1204 int retval = target->type->read_memory(target, address, 2, 1, value_buf);
1206 if (retval == ERROR_OK)
1208 *value = target_buffer_get_u16(target, value_buf);
1209 LOG_DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
1214 LOG_DEBUG("address: 0x%8.8x failed", address);
1220 int target_read_u8(struct target_s *target, u32 address, u8 *value)
1222 int retval = target->type->read_memory(target, address, 1, 1, value);
1223 if (!target->type->examined)
1225 LOG_ERROR("Target not examined yet");
1229 if (retval == ERROR_OK)
1231 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
1236 LOG_DEBUG("address: 0x%8.8x failed", address);
1242 int target_write_u32(struct target_s *target, u32 address, u32 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_u32(target, value_buf, value);
1255 if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1257 LOG_DEBUG("failed: %i", retval);
1263 int target_write_u16(struct target_s *target, u32 address, u16 value)
1267 if (!target->type->examined)
1269 LOG_ERROR("Target not examined yet");
1273 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1275 target_buffer_set_u16(target, value_buf, value);
1276 if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1278 LOG_DEBUG("failed: %i", retval);
1284 int target_write_u8(struct target_s *target, u32 address, u8 value)
1287 if (!target->type->examined)
1289 LOG_ERROR("Target not examined yet");
1293 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
1295 if ((retval = target->type->read_memory(target, address, 1, 1, &value)) != ERROR_OK)
1297 LOG_DEBUG("failed: %i", retval);
1303 int target_register_user_commands(struct command_context_s *cmd_ctx)
1305 register_command(cmd_ctx, NULL, "reg", handle_reg_command, COMMAND_EXEC, NULL);
1306 register_command(cmd_ctx, NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1307 register_command(cmd_ctx, NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1308 register_command(cmd_ctx, NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1309 register_command(cmd_ctx, NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1310 register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1311 register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init|run_and_halt|run_and_init]");
1312 register_command(cmd_ctx, NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1314 register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
1315 register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
1316 register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
1318 register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value> [count]");
1319 register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value> [count]");
1320 register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value> [count]");
1322 register_command(cmd_ctx, NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
1323 register_command(cmd_ctx, NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
1324 register_command(cmd_ctx, NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
1325 register_command(cmd_ctx, NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
1327 register_command(cmd_ctx, NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex'|'elf'|'s19']");
1328 register_command(cmd_ctx, NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1329 register_command(cmd_ctx, NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1330 register_command(cmd_ctx, NULL, "load_binary", handle_load_image_command, COMMAND_EXEC, "[DEPRECATED] load_binary <file> <address>");
1331 register_command(cmd_ctx, NULL, "dump_binary", handle_dump_image_command, COMMAND_EXEC, "[DEPRECATED] dump_binary <file> <address> <size>");
1333 target_request_register_commands(cmd_ctx);
1334 trace_register_commands(cmd_ctx);
1339 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1341 target_t *target = targets;
1346 int num = strtoul(args[0], NULL, 0);
1351 target = target->next;
1355 cmd_ctx->current_target = num;
1357 command_print(cmd_ctx, "%i is out of bounds, only %i targets are configured", num, count);
1364 command_print(cmd_ctx, "%i: %s (%s), state: %s", count++, target->type->name, target_endianess_strings[target->endianness], target_state_strings[target->state]);
1365 target = target->next;
1371 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1378 return ERROR_COMMAND_SYNTAX_ERROR;
1381 /* search for the specified target */
1382 if (args[0] && (args[0][0] != 0))
1384 for (i = 0; target_types[i]; i++)
1386 if (strcmp(args[0], target_types[i]->name) == 0)
1388 target_t **last_target_p = &targets;
1390 /* register target specific commands */
1391 if (target_types[i]->register_commands(cmd_ctx) != ERROR_OK)
1393 LOG_ERROR("couldn't register '%s' commands", args[0]);
1399 while ((*last_target_p)->next)
1400 last_target_p = &((*last_target_p)->next);
1401 last_target_p = &((*last_target_p)->next);
1404 *last_target_p = malloc(sizeof(target_t));
1406 (*last_target_p)->type = target_types[i];
1408 if (strcmp(args[1], "big") == 0)
1409 (*last_target_p)->endianness = TARGET_BIG_ENDIAN;
1410 else if (strcmp(args[1], "little") == 0)
1411 (*last_target_p)->endianness = TARGET_LITTLE_ENDIAN;
1414 LOG_ERROR("endianness must be either 'little' or 'big', not '%s'", args[1]);
1415 return ERROR_COMMAND_SYNTAX_ERROR;
1418 /* what to do on a target reset */
1419 (*last_target_p)->reset_mode = RESET_INIT; /* default */
1420 if (strcmp(args[2], "reset_halt") == 0)
1421 (*last_target_p)->reset_mode = RESET_HALT;
1422 else if (strcmp(args[2], "reset_run") == 0)
1423 (*last_target_p)->reset_mode = RESET_RUN;
1424 else if (strcmp(args[2], "reset_init") == 0)
1425 (*last_target_p)->reset_mode = RESET_INIT;
1426 else if (strcmp(args[2], "run_and_halt") == 0)
1427 (*last_target_p)->reset_mode = RESET_RUN_AND_HALT;
1428 else if (strcmp(args[2], "run_and_init") == 0)
1429 (*last_target_p)->reset_mode = RESET_RUN_AND_INIT;
1432 /* Kludge! we want to make this reset arg optional while remaining compatible! */
1436 (*last_target_p)->run_and_halt_time = 1000; /* default 1s */
1438 (*last_target_p)->reset_script = NULL;
1439 (*last_target_p)->pre_reset_script = NULL;
1440 (*last_target_p)->post_halt_script = NULL;
1441 (*last_target_p)->pre_resume_script = NULL;
1442 (*last_target_p)->gdb_program_script = NULL;
1444 (*last_target_p)->working_area = 0x0;
1445 (*last_target_p)->working_area_size = 0x0;
1446 (*last_target_p)->working_areas = NULL;
1447 (*last_target_p)->backup_working_area = 0;
1449 (*last_target_p)->state = TARGET_UNKNOWN;
1450 (*last_target_p)->debug_reason = DBG_REASON_UNDEFINED;
1451 (*last_target_p)->reg_cache = NULL;
1452 (*last_target_p)->breakpoints = NULL;
1453 (*last_target_p)->watchpoints = NULL;
1454 (*last_target_p)->next = NULL;
1455 (*last_target_p)->arch_info = NULL;
1457 /* initialize trace information */
1458 (*last_target_p)->trace_info = malloc(sizeof(trace_t));
1459 (*last_target_p)->trace_info->num_trace_points = 0;
1460 (*last_target_p)->trace_info->trace_points_size = 0;
1461 (*last_target_p)->trace_info->trace_points = NULL;
1462 (*last_target_p)->trace_info->trace_history_size = 0;
1463 (*last_target_p)->trace_info->trace_history = NULL;
1464 (*last_target_p)->trace_info->trace_history_pos = 0;
1465 (*last_target_p)->trace_info->trace_history_overflowed = 0;
1467 (*last_target_p)->dbgmsg = NULL;
1468 (*last_target_p)->dbg_msg_enabled = 0;
1470 (*last_target_p)->type->target_command(cmd_ctx, cmd, args, argc, *last_target_p);
1478 /* no matching target found */
1481 LOG_ERROR("target '%s' not found", args[0]);
1482 return ERROR_COMMAND_SYNTAX_ERROR;
1488 /* usage: target_script <target#> <event> <script_file> */
1489 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1491 target_t *target = NULL;
1495 LOG_ERROR("incomplete target_script command");
1496 return ERROR_COMMAND_SYNTAX_ERROR;
1499 target = get_target_by_num(strtoul(args[0], NULL, 0));
1503 return ERROR_COMMAND_SYNTAX_ERROR;
1506 if ((strcmp(args[1], "reset") == 0)||(strcmp(args[1], "post_reset") == 0))
1508 if (target->reset_script)
1509 free(target->reset_script);
1510 target->reset_script = strdup(args[2]);
1512 else if (strcmp(args[1], "pre_reset") == 0)
1514 if (target->pre_reset_script)
1515 free(target->pre_reset_script);
1516 target->pre_reset_script = strdup(args[2]);
1518 else if (strcmp(args[1], "post_halt") == 0)
1520 if (target->post_halt_script)
1521 free(target->post_halt_script);
1522 target->post_halt_script = strdup(args[2]);
1524 else if (strcmp(args[1], "pre_resume") == 0)
1526 if (target->pre_resume_script)
1527 free(target->pre_resume_script);
1528 target->pre_resume_script = strdup(args[2]);
1530 else if (strcmp(args[1], "gdb_program_config") == 0)
1532 if (target->gdb_program_script)
1533 free(target->gdb_program_script);
1534 target->gdb_program_script = strdup(args[2]);
1538 LOG_ERROR("unknown event type: '%s", args[1]);
1539 return ERROR_COMMAND_SYNTAX_ERROR;
1545 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1547 target_t *target = NULL;
1551 return ERROR_COMMAND_SYNTAX_ERROR;
1554 target = get_target_by_num(strtoul(args[0], NULL, 0));
1557 return ERROR_COMMAND_SYNTAX_ERROR;
1560 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1565 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1567 target_t *target = NULL;
1569 if ((argc < 4) || (argc > 5))
1571 return ERROR_COMMAND_SYNTAX_ERROR;
1574 target = get_target_by_num(strtoul(args[0], NULL, 0));
1577 return ERROR_COMMAND_SYNTAX_ERROR;
1579 target_free_all_working_areas(target);
1581 target->working_area_phys = target->working_area_virt = strtoul(args[1], NULL, 0);
1584 target->working_area_virt = strtoul(args[4], NULL, 0);
1586 target->working_area_size = strtoul(args[2], NULL, 0);
1588 if (strcmp(args[3], "backup") == 0)
1590 target->backup_working_area = 1;
1592 else if (strcmp(args[3], "nobackup") == 0)
1594 target->backup_working_area = 0;
1598 LOG_ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
1599 return ERROR_COMMAND_SYNTAX_ERROR;
1606 /* process target state changes */
1607 int handle_target(void *priv)
1609 target_t *target = targets;
1613 if (target_continous_poll)
1615 /* polling may fail silently until the target has been examined */
1616 target_poll(target);
1619 target = target->next;
1625 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1634 target = get_current_target(cmd_ctx);
1636 /* list all available registers for the current target */
1639 reg_cache_t *cache = target->reg_cache;
1645 for (i = 0; i < cache->num_regs; i++)
1647 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1648 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);
1651 cache = cache->next;
1657 /* access a single register by its ordinal number */
1658 if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1660 int num = strtoul(args[0], NULL, 0);
1661 reg_cache_t *cache = target->reg_cache;
1667 for (i = 0; i < cache->num_regs; i++)
1671 reg = &cache->reg_list[i];
1677 cache = cache->next;
1682 command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1685 } else /* access a single register by its name */
1687 reg = register_get_by_name(target->reg_cache, args[0], 1);
1691 command_print(cmd_ctx, "register %s not found in current target", args[0]);
1696 /* display a register */
1697 if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1699 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1702 if (reg->valid == 0)
1704 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1705 if (arch_type == NULL)
1707 LOG_ERROR("BUG: encountered unregistered arch type");
1710 arch_type->get(reg);
1712 value = buf_to_str(reg->value, reg->size, 16);
1713 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1718 /* set register value */
1721 u8 *buf = malloc(CEIL(reg->size, 8));
1722 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1724 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1725 if (arch_type == NULL)
1727 LOG_ERROR("BUG: encountered unregistered arch type");
1731 arch_type->set(reg, buf);
1733 value = buf_to_str(reg->value, reg->size, 16);
1734 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1742 command_print(cmd_ctx, "usage: reg <#|name> [value]");
1747 static int wait_state(struct command_context_s *cmd_ctx, char *cmd, enum target_state state, int ms);
1749 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1751 target_t *target = get_current_target(cmd_ctx);
1755 target_poll(target);
1756 target_arch_state(target);
1760 if (strcmp(args[0], "on") == 0)
1762 target_continous_poll = 1;
1764 else if (strcmp(args[0], "off") == 0)
1766 target_continous_poll = 0;
1770 command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1778 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1786 ms = strtoul(args[0], &end, 0) * 1000;
1789 command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1794 return wait_state(cmd_ctx, cmd, TARGET_HALTED, ms);
1797 static void target_process_events(struct command_context_s *cmd_ctx)
1799 target_t *target = get_current_target(cmd_ctx);
1800 target_poll(target);
1801 target_call_timer_callbacks_now();
1804 static int wait_state(struct command_context_s *cmd_ctx, char *cmd, enum target_state state, int ms)
1807 struct timeval timeout, now;
1809 gettimeofday(&timeout, NULL);
1810 timeval_add_time(&timeout, 0, ms * 1000);
1812 target_t *target = get_current_target(cmd_ctx);
1815 if ((retval=target_poll(target))!=ERROR_OK)
1817 target_call_timer_callbacks_now();
1818 if (target->state == state)
1825 command_print(cmd_ctx, "waiting for target %s...", target_state_strings[state]);
1828 gettimeofday(&now, NULL);
1829 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
1831 LOG_ERROR("timed out while waiting for target %s", target_state_strings[state]);
1839 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1842 target_t *target = get_current_target(cmd_ctx);
1846 if ((retval = target_halt(target)) != ERROR_OK)
1851 return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1855 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1857 target_t *target = get_current_target(cmd_ctx);
1859 LOG_USER("requesting target halt and executing a soft reset");
1861 target->type->soft_reset_halt(target);
1866 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1868 target_t *target = get_current_target(cmd_ctx);
1869 enum target_reset_mode reset_mode = target->reset_mode;
1870 enum target_reset_mode save = target->reset_mode;
1876 if (strcmp("run", args[0]) == 0)
1877 reset_mode = RESET_RUN;
1878 else if (strcmp("halt", args[0]) == 0)
1879 reset_mode = RESET_HALT;
1880 else if (strcmp("init", args[0]) == 0)
1881 reset_mode = RESET_INIT;
1882 else if (strcmp("run_and_halt", args[0]) == 0)
1884 reset_mode = RESET_RUN_AND_HALT;
1887 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1890 else if (strcmp("run_and_init", args[0]) == 0)
1892 reset_mode = RESET_RUN_AND_INIT;
1895 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1900 command_print(cmd_ctx, "usage: reset ['run', 'halt', 'init', 'run_and_halt', 'run_and_init]");
1905 /* temporarily modify mode of current reset target */
1906 target->reset_mode = reset_mode;
1908 /* reset *all* targets */
1909 target_process_reset(cmd_ctx);
1911 /* Restore default reset mode for this target */
1912 target->reset_mode = save;
1917 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1920 target_t *target = get_current_target(cmd_ctx);
1923 retval = target_resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1925 retval = target_resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1928 return ERROR_COMMAND_SYNTAX_ERROR;
1931 target_process_events(cmd_ctx);
1936 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1938 target_t *target = get_current_target(cmd_ctx);
1943 target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1946 target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1951 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1953 const int line_bytecnt = 32;
1966 target_t *target = get_current_target(cmd_ctx);
1972 count = strtoul(args[1], NULL, 0);
1974 address = strtoul(args[0], NULL, 0);
1980 size = 4; line_modulo = line_bytecnt / 4;
1983 size = 2; line_modulo = line_bytecnt / 2;
1986 size = 1; line_modulo = line_bytecnt / 1;
1992 buffer = calloc(count, size);
1993 retval = target->type->read_memory(target, address, size, count, buffer);
1994 if (retval == ERROR_OK)
1998 for (i = 0; i < count; i++)
2000 if (i%line_modulo == 0)
2001 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
2006 output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
2009 output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
2012 output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
2016 if ((i%line_modulo == line_modulo-1) || (i == count - 1))
2018 command_print(cmd_ctx, output);
2024 LOG_ERROR("Failure examining memory");
2032 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2039 target_t *target = get_current_target(cmd_ctx);
2042 if ((argc < 2) || (argc > 3))
2043 return ERROR_COMMAND_SYNTAX_ERROR;
2045 address = strtoul(args[0], NULL, 0);
2046 value = strtoul(args[1], NULL, 0);
2048 count = strtoul(args[2], NULL, 0);
2055 target_buffer_set_u32(target, value_buf, value);
2059 target_buffer_set_u16(target, value_buf, value);
2063 value_buf[0] = value;
2066 return ERROR_COMMAND_SYNTAX_ERROR;
2068 for (i=0; i<count; i++)
2074 retval = target->type->write_memory(target, address + i*wordsize, 4, 1, value_buf);
2077 retval = target->type->write_memory(target, address + i*wordsize, 2, 1, value_buf);
2080 retval = target->type->write_memory(target, address + i*wordsize, 1, 1, value_buf);
2085 if (retval!=ERROR_OK)
2095 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2105 duration_t duration;
2106 char *duration_text;
2108 target_t *target = get_current_target(cmd_ctx);
2112 command_print(cmd_ctx, "usage: load_image <filename> [address] [type]");
2116 /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
2119 image.base_address_set = 1;
2120 image.base_address = strtoul(args[1], NULL, 0);
2124 image.base_address_set = 0;
2127 image.start_address_set = 0;
2129 duration_start_measure(&duration);
2131 if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2138 for (i = 0; i < image.num_sections; i++)
2140 buffer = malloc(image.sections[i].size);
2143 command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2147 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2152 if ((retval = target_write_buffer(target, image.sections[i].base_address, buf_cnt, buffer)) != ERROR_OK)
2157 image_size += buf_cnt;
2158 command_print(cmd_ctx, "%u byte written at address 0x%8.8x", buf_cnt, image.sections[i].base_address);
2163 duration_stop_measure(&duration, &duration_text);
2164 if (retval==ERROR_OK)
2166 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
2168 free(duration_text);
2170 image_close(&image);
2176 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2183 int retval=ERROR_OK;
2185 duration_t duration;
2186 char *duration_text;
2188 target_t *target = get_current_target(cmd_ctx);
2192 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2196 address = strtoul(args[1], NULL, 0);
2197 size = strtoul(args[2], NULL, 0);
2199 if ((address & 3) || (size & 3))
2201 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
2205 if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2210 duration_start_measure(&duration);
2215 u32 this_run_size = (size > 560) ? 560 : size;
2217 retval = target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
2218 if (retval != ERROR_OK)
2223 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2224 if (retval != ERROR_OK)
2229 size -= this_run_size;
2230 address += this_run_size;
2233 fileio_close(&fileio);
2235 duration_stop_measure(&duration, &duration_text);
2236 if (retval==ERROR_OK)
2238 command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
2240 free(duration_text);
2245 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2253 u32 mem_checksum = 0;
2257 duration_t duration;
2258 char *duration_text;
2260 target_t *target = get_current_target(cmd_ctx);
2264 return ERROR_COMMAND_SYNTAX_ERROR;
2269 LOG_ERROR("no target selected");
2273 duration_start_measure(&duration);
2277 image.base_address_set = 1;
2278 image.base_address = strtoul(args[1], NULL, 0);
2282 image.base_address_set = 0;
2283 image.base_address = 0x0;
2286 image.start_address_set = 0;
2288 if ((retval=image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2295 for (i = 0; i < image.num_sections; i++)
2297 buffer = malloc(image.sections[i].size);
2300 command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2303 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2309 /* calculate checksum of image */
2310 image_calculate_checksum( buffer, buf_cnt, &checksum );
2312 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2313 if( retval != ERROR_OK )
2319 if( checksum != mem_checksum )
2321 /* failed crc checksum, fall back to a binary compare */
2324 command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2326 data = (u8*)malloc(buf_cnt);
2328 /* Can we use 32bit word accesses? */
2330 int count = buf_cnt;
2331 if ((count % 4) == 0)
2336 retval = target->type->read_memory(target, image.sections[i].base_address, size, count, data);
2337 if (retval == ERROR_OK)
2340 for (t = 0; t < buf_cnt; t++)
2342 if (data[t] != buffer[t])
2344 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]);
2357 image_size += buf_cnt;
2360 duration_stop_measure(&duration, &duration_text);
2361 if (retval==ERROR_OK)
2363 command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2365 free(duration_text);
2367 image_close(&image);
2372 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2375 target_t *target = get_current_target(cmd_ctx);
2379 breakpoint_t *breakpoint = target->breakpoints;
2383 if (breakpoint->type == BKPT_SOFT)
2385 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
2386 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
2391 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
2393 breakpoint = breakpoint->next;
2401 length = strtoul(args[1], NULL, 0);
2404 if (strcmp(args[2], "hw") == 0)
2407 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
2409 LOG_ERROR("Failure setting breakpoints");
2413 command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
2418 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2424 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2426 target_t *target = get_current_target(cmd_ctx);
2429 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2434 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2436 target_t *target = get_current_target(cmd_ctx);
2441 watchpoint_t *watchpoint = target->watchpoints;
2445 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);
2446 watchpoint = watchpoint->next;
2451 enum watchpoint_rw type = WPT_ACCESS;
2452 u32 data_value = 0x0;
2453 u32 data_mask = 0xffffffff;
2469 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2475 data_value = strtoul(args[3], NULL, 0);
2479 data_mask = strtoul(args[4], NULL, 0);
2482 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2483 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2485 LOG_ERROR("Failure setting breakpoints");
2490 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2496 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2498 target_t *target = get_current_target(cmd_ctx);
2501 watchpoint_remove(target, strtoul(args[0], NULL, 0));
2506 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
2509 target_t *target = get_current_target(cmd_ctx);
2515 return ERROR_COMMAND_SYNTAX_ERROR;
2517 va = strtoul(args[0], NULL, 0);
2519 retval = target->type->virt2phys(target, va, &pa);
2520 if (retval == ERROR_OK)
2522 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2526 /* lower levels will have logged a detailed error which is
2527 * forwarded to telnet/GDB session.
2532 static void writeLong(FILE *f, int l)
2537 char c=(l>>(i*8))&0xff;
2538 fwrite(&c, 1, 1, f);
2542 static void writeString(FILE *f, char *s)
2544 fwrite(s, 1, strlen(s), f);
2549 // Dump a gmon.out histogram file.
2550 static void writeGmon(u32 *samples, int sampleNum, char *filename)
2553 FILE *f=fopen(filename, "w");
2556 fwrite("gmon", 1, 4, f);
2557 writeLong(f, 0x00000001); // Version
2558 writeLong(f, 0); // padding
2559 writeLong(f, 0); // padding
2560 writeLong(f, 0); // padding
2562 fwrite("", 1, 1, f); // GMON_TAG_TIME_HIST
2564 // figure out bucket size
2567 for (i=0; i<sampleNum; i++)
2579 int addressSpace=(max-min+1);
2581 static int const maxBuckets=256*1024; // maximum buckets.
2582 int length=addressSpace;
2583 if (length > maxBuckets)
2587 int *buckets=malloc(sizeof(int)*length);
2593 memset(buckets, 0, sizeof(int)*length);
2594 for (i=0; i<sampleNum;i++)
2596 u32 address=samples[i];
2597 long long a=address-min;
2598 long long b=length-1;
2599 long long c=addressSpace-1;
2600 int index=(a*b)/c; // danger!!!! int32 overflows
2604 // append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr))
2605 writeLong(f, min); // low_pc
2606 writeLong(f, max); // high_pc
2607 writeLong(f, length); // # of samples
2608 writeLong(f, 64000000); // 64MHz
2609 writeString(f, "seconds");
2610 for (i=0; i<(15-strlen("seconds")); i++)
2612 fwrite("", 1, 1, f); // padding
2614 writeString(f, "s");
2616 // append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size)
2618 char *data=malloc(2*length);
2621 for (i=0; i<length;i++)
2630 data[i*2+1]=(val>>8)&0xff;
2633 fwrite(data, 1, length*2, f);
2643 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
2644 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2646 target_t *target = get_current_target(cmd_ctx);
2647 struct timeval timeout, now;
2649 gettimeofday(&timeout, NULL);
2652 return ERROR_COMMAND_SYNTAX_ERROR;
2655 timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
2661 command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
2663 static const int maxSample=10000;
2664 u32 *samples=malloc(sizeof(u32)*maxSample);
2669 int retval=ERROR_OK;
2670 // hopefully it is safe to cache! We want to stop/restart as quickly as possible.
2671 reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
2675 target_poll(target);
2676 if (target->state == TARGET_HALTED)
2678 u32 t=*((u32 *)reg->value);
2679 samples[numSamples++]=t;
2680 retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2681 target_poll(target);
2682 usleep(10*1000); // sleep 10ms, i.e. <100 samples/second.
2683 } else if (target->state == TARGET_RUNNING)
2685 // We want to quickly sample the PC.
2686 target_halt(target);
2689 command_print(cmd_ctx, "Target not halted or running");
2693 if (retval!=ERROR_OK)
2698 gettimeofday(&now, NULL);
2699 if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
2701 command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
2702 target_poll(target);
2703 if (target->state == TARGET_HALTED)
2705 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2707 target_poll(target);
2708 writeGmon(samples, numSamples, args[1]);
2709 command_print(cmd_ctx, "Wrote %s", args[1]);