1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
24 #include "replacements.h"
26 #include "target_request.h"
29 #include "configuration.h"
30 #include "binarybuffer.h"
37 #include <sys/types.h>
45 #include <time_support.h>
50 int cli_target_callback_event_handler(struct target_s *target, enum target_event event, void *priv);
53 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
54 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
56 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
57 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
58 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
60 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
61 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
62 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
63 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
64 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
65 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
66 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
67 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
68 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
69 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
70 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
71 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
72 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
73 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
74 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
75 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
76 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
77 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc);
78 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
82 extern target_type_t arm7tdmi_target;
83 extern target_type_t arm720t_target;
84 extern target_type_t arm9tdmi_target;
85 extern target_type_t arm920t_target;
86 extern target_type_t arm966e_target;
87 extern target_type_t arm926ejs_target;
88 extern target_type_t feroceon_target;
89 extern target_type_t xscale_target;
90 extern target_type_t cortexm3_target;
91 extern target_type_t arm11_target;
93 target_type_t *target_types[] =
108 target_t *targets = NULL;
109 target_event_callback_t *target_event_callbacks = NULL;
110 target_timer_callback_t *target_timer_callbacks = NULL;
112 char *target_state_strings[] =
121 char *target_debug_reason_strings[] =
123 "debug request", "breakpoint", "watchpoint",
124 "watchpoint and breakpoint", "single step",
125 "target not halted", "undefined"
128 char *target_endianess_strings[] =
134 static int target_continous_poll = 1;
136 /* read a u32 from a buffer in target memory endianness */
137 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
139 if (target->endianness == TARGET_LITTLE_ENDIAN)
140 return le_to_h_u32(buffer);
142 return be_to_h_u32(buffer);
145 /* read a u16 from a buffer in target memory endianness */
146 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
148 if (target->endianness == TARGET_LITTLE_ENDIAN)
149 return le_to_h_u16(buffer);
151 return be_to_h_u16(buffer);
154 /* write a u32 to a buffer in target memory endianness */
155 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
157 if (target->endianness == TARGET_LITTLE_ENDIAN)
158 h_u32_to_le(buffer, value);
160 h_u32_to_be(buffer, value);
163 /* write a u16 to a buffer in target memory endianness */
164 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
166 if (target->endianness == TARGET_LITTLE_ENDIAN)
167 h_u16_to_le(buffer, value);
169 h_u16_to_be(buffer, value);
172 /* returns a pointer to the n-th configured target */
173 target_t* get_target_by_num(int num)
175 target_t *target = targets;
182 target = target->next;
189 int get_num_by_target(target_t *query_target)
191 target_t *target = targets;
196 if (target == query_target)
198 target = target->next;
205 target_t* get_current_target(command_context_t *cmd_ctx)
207 target_t *target = get_target_by_num(cmd_ctx->current_target);
211 LOG_ERROR("BUG: current_target out of bounds");
218 /* Process target initialization, when target entered debug out of reset
219 * the handler is unregistered at the end of this function, so it's only called once
221 int target_init_handler(struct target_s *target, enum target_event event, void *priv)
224 struct command_context_s *cmd_ctx = priv;
226 if ((event == TARGET_EVENT_HALTED) && (target->reset_script))
228 target_unregister_event_callback(target_init_handler, priv);
230 script = open_file_from_path(target->reset_script, "r");
233 LOG_ERROR("couldn't open script file %s", target->reset_script);
237 LOG_INFO("executing reset script '%s'", target->reset_script);
238 command_run_file(cmd_ctx, script, COMMAND_EXEC);
241 jtag_execute_queue();
247 int target_run_and_halt_handler(void *priv)
249 target_t *target = priv;
256 int target_poll(struct target_s *target)
258 /* We can't poll until after examine */
259 if (!target->type->examined)
261 /* Fail silently lest we pollute the log */
264 return target->type->poll(target);
267 int target_halt(struct target_s *target)
269 /* We can't poll until after examine */
270 if (!target->type->examined)
272 LOG_ERROR("Target not examined yet");
275 return target->type->halt(target);
278 int target_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution)
280 /* We can't poll until after examine */
281 if (!target->type->examined)
283 LOG_ERROR("Target not examined yet");
286 return target->type->resume(target, current, address, handle_breakpoints, debug_execution);
290 int target_process_reset(struct command_context_s *cmd_ctx)
292 int retval = ERROR_OK;
294 struct timeval timeout, now;
296 jtag->speed(jtag_speed);
298 if ((retval = jtag_init_reset(cmd_ctx)) != ERROR_OK)
301 if ((retval = target_examine(cmd_ctx)) != ERROR_OK)
304 /* prepare reset_halt where necessary */
308 if (jtag_reset_config & RESET_SRST_PULLS_TRST)
310 switch (target->reset_mode)
313 command_print(cmd_ctx, "nSRST pulls nTRST, falling back to \"reset run_and_halt\"");
314 target->reset_mode = RESET_RUN_AND_HALT;
317 command_print(cmd_ctx, "nSRST pulls nTRST, falling back to \"reset run_and_init\"");
318 target->reset_mode = RESET_RUN_AND_INIT;
324 target = target->next;
330 /* we have no idea what state the target is in, so we
331 * have to drop working areas
333 target_free_all_working_areas_restore(target, 0);
334 target->type->assert_reset(target);
335 target = target->next;
337 if ((retval = jtag_execute_queue()) != ERROR_OK)
339 LOG_WARNING("JTAG communication failed asserting reset.");
343 /* request target halt if necessary, and schedule further action */
347 switch (target->reset_mode)
350 /* nothing to do if target just wants to be run */
352 case RESET_RUN_AND_HALT:
354 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
356 case RESET_RUN_AND_INIT:
358 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
359 target_register_event_callback(target_init_handler, cmd_ctx);
366 target_register_event_callback(target_init_handler, cmd_ctx);
369 LOG_ERROR("BUG: unknown target->reset_mode");
371 target = target->next;
374 if ((retval = jtag_execute_queue()) != ERROR_OK)
376 LOG_WARNING("JTAG communication failed while reset was asserted. Consider using srst_only for reset_config.");
383 target->type->deassert_reset(target);
384 target = target->next;
387 if ((retval = jtag_execute_queue()) != ERROR_OK)
389 LOG_WARNING("JTAG communication failed while deasserting reset.");
393 LOG_DEBUG("Waiting for halted stated as approperiate");
395 /* Wait for reset to complete, maximum 5 seconds. */
396 gettimeofday(&timeout, NULL);
397 timeval_add_time(&timeout, 5, 0);
400 gettimeofday(&now, NULL);
402 target_call_timer_callbacks_now();
407 LOG_DEBUG("Polling target");
409 if ((target->reset_mode == RESET_RUN_AND_INIT) ||
410 (target->reset_mode == RESET_RUN_AND_HALT) ||
411 (target->reset_mode == RESET_HALT) ||
412 (target->reset_mode == RESET_INIT))
414 if (target->state != TARGET_HALTED)
416 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
418 LOG_USER("Timed out waiting for halt after reset");
421 /* this will send alive messages on e.g. GDB remote protocol. */
423 LOG_USER_N("%s", ""); /* avoid warning about zero length formatting message*/
427 target = target->next;
429 /* All targets we're waiting for are halted */
437 /* We want any events to be processed before the prompt */
438 target_call_timer_callbacks_now();
440 /* if we timed out we need to unregister these handlers */
444 target_unregister_timer_callback(target_run_and_halt_handler, target);
445 target = target->next;
447 target_unregister_event_callback(target_init_handler, cmd_ctx);
450 jtag->speed(jtag_speed_post_reset);
455 static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
461 static int default_mmu(struct target_s *target, int *enabled)
467 static int default_examine(struct command_context_s *cmd_ctx, struct target_s *target)
469 target->type->examined = 1;
474 /* Targets that correctly implement init+examine, i.e.
475 * no communication with target during init:
479 int target_examine(struct command_context_s *cmd_ctx)
481 int retval = ERROR_OK;
482 target_t *target = targets;
485 if ((retval = target->type->examine(cmd_ctx, target))!=ERROR_OK)
487 target = target->next;
493 int target_init(struct command_context_s *cmd_ctx)
495 target_t *target = targets;
499 target->type->examined = 0;
500 if (target->type->examine == NULL)
502 target->type->examine = default_examine;
505 if (target->type->init_target(cmd_ctx, target) != ERROR_OK)
507 LOG_ERROR("target '%s' init failed", target->type->name);
511 /* Set up default functions if none are provided by target */
512 if (target->type->virt2phys == NULL)
514 target->type->virt2phys = default_virt2phys;
516 if (target->type->mmu == NULL)
518 target->type->mmu = default_mmu;
520 target = target->next;
525 target_register_user_commands(cmd_ctx);
526 target_register_timer_callback(handle_target, 100, 1, NULL);
532 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
534 target_event_callback_t **callbacks_p = &target_event_callbacks;
536 if (callback == NULL)
538 return ERROR_INVALID_ARGUMENTS;
543 while ((*callbacks_p)->next)
544 callbacks_p = &((*callbacks_p)->next);
545 callbacks_p = &((*callbacks_p)->next);
548 (*callbacks_p) = malloc(sizeof(target_event_callback_t));
549 (*callbacks_p)->callback = callback;
550 (*callbacks_p)->priv = priv;
551 (*callbacks_p)->next = NULL;
556 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
558 target_timer_callback_t **callbacks_p = &target_timer_callbacks;
561 if (callback == NULL)
563 return ERROR_INVALID_ARGUMENTS;
568 while ((*callbacks_p)->next)
569 callbacks_p = &((*callbacks_p)->next);
570 callbacks_p = &((*callbacks_p)->next);
573 (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
574 (*callbacks_p)->callback = callback;
575 (*callbacks_p)->periodic = periodic;
576 (*callbacks_p)->time_ms = time_ms;
578 gettimeofday(&now, NULL);
579 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
580 time_ms -= (time_ms % 1000);
581 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
582 if ((*callbacks_p)->when.tv_usec > 1000000)
584 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
585 (*callbacks_p)->when.tv_sec += 1;
588 (*callbacks_p)->priv = priv;
589 (*callbacks_p)->next = NULL;
594 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
596 target_event_callback_t **p = &target_event_callbacks;
597 target_event_callback_t *c = target_event_callbacks;
599 if (callback == NULL)
601 return ERROR_INVALID_ARGUMENTS;
606 target_event_callback_t *next = c->next;
607 if ((c->callback == callback) && (c->priv == priv))
621 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
623 target_timer_callback_t **p = &target_timer_callbacks;
624 target_timer_callback_t *c = target_timer_callbacks;
626 if (callback == NULL)
628 return ERROR_INVALID_ARGUMENTS;
633 target_timer_callback_t *next = c->next;
634 if ((c->callback == callback) && (c->priv == priv))
648 int target_call_event_callbacks(target_t *target, enum target_event event)
650 target_event_callback_t *callback = target_event_callbacks;
651 target_event_callback_t *next_callback;
653 LOG_DEBUG("target event %i", event);
657 next_callback = callback->next;
658 callback->callback(target, event, callback->priv);
659 callback = next_callback;
665 static int target_call_timer_callbacks_check_time(int checktime)
667 target_timer_callback_t *callback = target_timer_callbacks;
668 target_timer_callback_t *next_callback;
671 gettimeofday(&now, NULL);
675 next_callback = callback->next;
677 if ((!checktime&&callback->periodic)||
678 (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
679 || (now.tv_sec > callback->when.tv_sec)))
681 callback->callback(callback->priv);
682 if (callback->periodic)
684 int time_ms = callback->time_ms;
685 callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
686 time_ms -= (time_ms % 1000);
687 callback->when.tv_sec = now.tv_sec + time_ms / 1000;
688 if (callback->when.tv_usec > 1000000)
690 callback->when.tv_usec = callback->when.tv_usec - 1000000;
691 callback->when.tv_sec += 1;
695 target_unregister_timer_callback(callback->callback, callback->priv);
698 callback = next_callback;
704 int target_call_timer_callbacks()
706 return target_call_timer_callbacks_check_time(1);
709 /* invoke periodic callbacks immediately */
710 int target_call_timer_callbacks_now()
712 return target_call_timer_callbacks(0);
716 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
718 working_area_t *c = target->working_areas;
719 working_area_t *new_wa = NULL;
721 /* Reevaluate working area address based on MMU state*/
722 if (target->working_areas == NULL)
726 retval = target->type->mmu(target, &enabled);
727 if (retval != ERROR_OK)
733 target->working_area = target->working_area_virt;
737 target->working_area = target->working_area_phys;
741 /* only allocate multiples of 4 byte */
744 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
745 size = CEIL(size, 4);
748 /* see if there's already a matching working area */
751 if ((c->free) && (c->size == size))
759 /* if not, allocate a new one */
762 working_area_t **p = &target->working_areas;
763 u32 first_free = target->working_area;
764 u32 free_size = target->working_area_size;
766 LOG_DEBUG("allocating new working area");
768 c = target->working_areas;
771 first_free += c->size;
772 free_size -= c->size;
777 if (free_size < size)
779 LOG_WARNING("not enough working area available(requested %d, free %d)", size, free_size);
780 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
783 new_wa = malloc(sizeof(working_area_t));
786 new_wa->address = first_free;
788 if (target->backup_working_area)
790 new_wa->backup = malloc(new_wa->size);
791 target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup);
795 new_wa->backup = NULL;
798 /* put new entry in list */
802 /* mark as used, and return the new (reused) area */
812 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
817 if (restore&&target->backup_working_area)
818 target->type->write_memory(target, area->address, 4, area->size / 4, area->backup);
822 /* mark user pointer invalid */
829 int target_free_working_area(struct target_s *target, working_area_t *area)
831 return target_free_working_area_restore(target, area, 1);
834 int target_free_all_working_areas_restore(struct target_s *target, int restore)
836 working_area_t *c = target->working_areas;
840 working_area_t *next = c->next;
841 target_free_working_area_restore(target, c, restore);
851 target->working_areas = NULL;
856 int target_free_all_working_areas(struct target_s *target)
858 return target_free_all_working_areas_restore(target, 1);
861 int target_register_commands(struct command_context_s *cmd_ctx)
863 register_command(cmd_ctx, NULL, "target", handle_target_command, COMMAND_CONFIG, "target <cpu> [reset_init default - DEPRECATED] <chainpos> <endianness> <variant> [cpu type specifc args]");
864 register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL);
865 register_command(cmd_ctx, NULL, "target_script", handle_target_script_command, COMMAND_CONFIG, NULL);
866 register_command(cmd_ctx, NULL, "run_and_halt_time", handle_run_and_halt_time_command, COMMAND_CONFIG, "<target> <run time ms>");
867 register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_ANY, "working_area <target#> <address> <size> <'backup'|'nobackup'> [virtual address]");
868 register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "virt2phys <virtual address>");
869 register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "PRELIMINARY! - profile <seconds> <gmon.out>");
874 int target_arch_state(struct target_s *target)
879 LOG_USER("No target has been configured");
883 LOG_USER("target state: %s", target_state_strings[target->state]);
885 if (target->state!=TARGET_HALTED)
888 retval=target->type->arch_state(target);
892 /* Single aligned words are guaranteed to use 16 or 32 bit access
893 * mode respectively, otherwise data is handled as quickly as
896 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
899 if (!target->type->examined)
901 LOG_ERROR("Target not examined yet");
905 LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
907 if (((address % 2) == 0) && (size == 2))
909 return target->type->write_memory(target, address, 2, 1, buffer);
912 /* handle unaligned head bytes */
915 int unaligned = 4 - (address % 4);
917 if (unaligned > size)
920 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
924 address += unaligned;
928 /* handle aligned words */
931 int aligned = size - (size % 4);
933 /* use bulk writes above a certain limit. This may have to be changed */
936 if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
941 if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
950 /* handle tail writes of less than 4 bytes */
953 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
961 /* Single aligned words are guaranteed to use 16 or 32 bit access
962 * mode respectively, otherwise data is handled as quickly as
965 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
968 if (!target->type->examined)
970 LOG_ERROR("Target not examined yet");
974 LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
976 if (((address % 2) == 0) && (size == 2))
978 return target->type->read_memory(target, address, 2, 1, buffer);
981 /* handle unaligned head bytes */
984 int unaligned = 4 - (address % 4);
986 if (unaligned > size)
989 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
993 address += unaligned;
997 /* handle aligned words */
1000 int aligned = size - (size % 4);
1002 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1010 /* handle tail writes of less than 4 bytes */
1013 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1020 int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc)
1026 if (!target->type->examined)
1028 LOG_ERROR("Target not examined yet");
1032 if ((retval = target->type->checksum_memory(target, address,
1033 size, &checksum)) == ERROR_TARGET_RESOURCE_NOT_AVAILABLE)
1035 buffer = malloc(size);
1038 LOG_ERROR("error allocating buffer for section (%d bytes)", size);
1039 return ERROR_INVALID_ARGUMENTS;
1041 retval = target_read_buffer(target, address, size, buffer);
1042 if (retval != ERROR_OK)
1048 /* convert to target endianess */
1049 for (i = 0; i < (size/sizeof(u32)); i++)
1052 target_data = target_buffer_get_u32(target, &buffer[i*sizeof(u32)]);
1053 target_buffer_set_u32(target, &buffer[i*sizeof(u32)], target_data);
1056 retval = image_calculate_checksum( buffer, size, &checksum );
1065 int target_read_u32(struct target_s *target, u32 address, u32 *value)
1068 if (!target->type->examined)
1070 LOG_ERROR("Target not examined yet");
1074 int retval = target->type->read_memory(target, address, 4, 1, value_buf);
1076 if (retval == ERROR_OK)
1078 *value = target_buffer_get_u32(target, value_buf);
1079 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
1084 LOG_DEBUG("address: 0x%8.8x failed", address);
1090 int target_read_u16(struct target_s *target, u32 address, u16 *value)
1093 if (!target->type->examined)
1095 LOG_ERROR("Target not examined yet");
1099 int retval = target->type->read_memory(target, address, 2, 1, value_buf);
1101 if (retval == ERROR_OK)
1103 *value = target_buffer_get_u16(target, value_buf);
1104 LOG_DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
1109 LOG_DEBUG("address: 0x%8.8x failed", address);
1115 int target_read_u8(struct target_s *target, u32 address, u8 *value)
1117 int retval = target->type->read_memory(target, address, 1, 1, value);
1118 if (!target->type->examined)
1120 LOG_ERROR("Target not examined yet");
1124 if (retval == ERROR_OK)
1126 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
1131 LOG_DEBUG("address: 0x%8.8x failed", address);
1137 int target_write_u32(struct target_s *target, u32 address, u32 value)
1141 if (!target->type->examined)
1143 LOG_ERROR("Target not examined yet");
1147 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1149 target_buffer_set_u32(target, value_buf, value);
1150 if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1152 LOG_DEBUG("failed: %i", retval);
1158 int target_write_u16(struct target_s *target, u32 address, u16 value)
1162 if (!target->type->examined)
1164 LOG_ERROR("Target not examined yet");
1168 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1170 target_buffer_set_u16(target, value_buf, value);
1171 if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1173 LOG_DEBUG("failed: %i", retval);
1179 int target_write_u8(struct target_s *target, u32 address, u8 value)
1182 if (!target->type->examined)
1184 LOG_ERROR("Target not examined yet");
1188 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
1190 if ((retval = target->type->read_memory(target, address, 1, 1, &value)) != ERROR_OK)
1192 LOG_DEBUG("failed: %i", retval);
1198 int target_register_user_commands(struct command_context_s *cmd_ctx)
1200 register_command(cmd_ctx, NULL, "reg", handle_reg_command, COMMAND_EXEC, NULL);
1201 register_command(cmd_ctx, NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1202 register_command(cmd_ctx, NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1203 register_command(cmd_ctx, NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1204 register_command(cmd_ctx, NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1205 register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1206 register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init|run_and_halt|run_and_init]");
1207 register_command(cmd_ctx, NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1209 register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
1210 register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
1211 register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
1213 register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value> [count]");
1214 register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value> [count]");
1215 register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value> [count]");
1217 register_command(cmd_ctx, NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
1218 register_command(cmd_ctx, NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
1219 register_command(cmd_ctx, NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
1220 register_command(cmd_ctx, NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
1222 register_command(cmd_ctx, NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex'|'elf'|'s19']");
1223 register_command(cmd_ctx, NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1224 register_command(cmd_ctx, NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1225 register_command(cmd_ctx, NULL, "load_binary", handle_load_image_command, COMMAND_EXEC, "[DEPRECATED] load_binary <file> <address>");
1226 register_command(cmd_ctx, NULL, "dump_binary", handle_dump_image_command, COMMAND_EXEC, "[DEPRECATED] dump_binary <file> <address> <size>");
1228 target_request_register_commands(cmd_ctx);
1229 trace_register_commands(cmd_ctx);
1234 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1236 target_t *target = targets;
1241 int num = strtoul(args[0], NULL, 0);
1246 target = target->next;
1250 cmd_ctx->current_target = num;
1252 command_print(cmd_ctx, "%i is out of bounds, only %i targets are configured", num, count);
1259 command_print(cmd_ctx, "%i: %s (%s), state: %s", count++, target->type->name, target_endianess_strings[target->endianness], target_state_strings[target->state]);
1260 target = target->next;
1266 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1273 return ERROR_COMMAND_SYNTAX_ERROR;
1276 /* search for the specified target */
1277 if (args[0] && (args[0][0] != 0))
1279 for (i = 0; target_types[i]; i++)
1281 if (strcmp(args[0], target_types[i]->name) == 0)
1283 target_t **last_target_p = &targets;
1285 /* register target specific commands */
1286 if (target_types[i]->register_commands(cmd_ctx) != ERROR_OK)
1288 LOG_ERROR("couldn't register '%s' commands", args[0]);
1294 while ((*last_target_p)->next)
1295 last_target_p = &((*last_target_p)->next);
1296 last_target_p = &((*last_target_p)->next);
1299 *last_target_p = malloc(sizeof(target_t));
1301 (*last_target_p)->type = target_types[i];
1303 if (strcmp(args[1], "big") == 0)
1304 (*last_target_p)->endianness = TARGET_BIG_ENDIAN;
1305 else if (strcmp(args[1], "little") == 0)
1306 (*last_target_p)->endianness = TARGET_LITTLE_ENDIAN;
1309 LOG_ERROR("endianness must be either 'little' or 'big', not '%s'", args[1]);
1310 return ERROR_COMMAND_SYNTAX_ERROR;
1313 /* what to do on a target reset */
1314 (*last_target_p)->reset_mode = RESET_INIT; /* default */
1315 if (strcmp(args[2], "reset_halt") == 0)
1316 (*last_target_p)->reset_mode = RESET_HALT;
1317 else if (strcmp(args[2], "reset_run") == 0)
1318 (*last_target_p)->reset_mode = RESET_RUN;
1319 else if (strcmp(args[2], "reset_init") == 0)
1320 (*last_target_p)->reset_mode = RESET_INIT;
1321 else if (strcmp(args[2], "run_and_halt") == 0)
1322 (*last_target_p)->reset_mode = RESET_RUN_AND_HALT;
1323 else if (strcmp(args[2], "run_and_init") == 0)
1324 (*last_target_p)->reset_mode = RESET_RUN_AND_INIT;
1327 /* Kludge! we want to make this reset arg optional while remaining compatible! */
1331 (*last_target_p)->run_and_halt_time = 1000; /* default 1s */
1333 (*last_target_p)->reset_script = NULL;
1334 (*last_target_p)->post_halt_script = NULL;
1335 (*last_target_p)->pre_resume_script = NULL;
1336 (*last_target_p)->gdb_program_script = NULL;
1338 (*last_target_p)->working_area = 0x0;
1339 (*last_target_p)->working_area_size = 0x0;
1340 (*last_target_p)->working_areas = NULL;
1341 (*last_target_p)->backup_working_area = 0;
1343 (*last_target_p)->state = TARGET_UNKNOWN;
1344 (*last_target_p)->debug_reason = DBG_REASON_UNDEFINED;
1345 (*last_target_p)->reg_cache = NULL;
1346 (*last_target_p)->breakpoints = NULL;
1347 (*last_target_p)->watchpoints = NULL;
1348 (*last_target_p)->next = NULL;
1349 (*last_target_p)->arch_info = NULL;
1351 /* initialize trace information */
1352 (*last_target_p)->trace_info = malloc(sizeof(trace_t));
1353 (*last_target_p)->trace_info->num_trace_points = 0;
1354 (*last_target_p)->trace_info->trace_points_size = 0;
1355 (*last_target_p)->trace_info->trace_points = NULL;
1356 (*last_target_p)->trace_info->trace_history_size = 0;
1357 (*last_target_p)->trace_info->trace_history = NULL;
1358 (*last_target_p)->trace_info->trace_history_pos = 0;
1359 (*last_target_p)->trace_info->trace_history_overflowed = 0;
1361 (*last_target_p)->dbgmsg = NULL;
1362 (*last_target_p)->dbg_msg_enabled = 0;
1364 (*last_target_p)->type->target_command(cmd_ctx, cmd, args, argc, *last_target_p);
1372 /* no matching target found */
1375 LOG_ERROR("target '%s' not found", args[0]);
1376 return ERROR_COMMAND_SYNTAX_ERROR;
1382 /* usage: target_script <target#> <event> <script_file> */
1383 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1385 target_t *target = NULL;
1389 LOG_ERROR("incomplete target_script command");
1390 return ERROR_COMMAND_SYNTAX_ERROR;
1393 target = get_target_by_num(strtoul(args[0], NULL, 0));
1397 return ERROR_COMMAND_SYNTAX_ERROR;
1400 if (strcmp(args[1], "reset") == 0)
1402 if (target->reset_script)
1403 free(target->reset_script);
1404 target->reset_script = strdup(args[2]);
1406 else if (strcmp(args[1], "post_halt") == 0)
1408 if (target->post_halt_script)
1409 free(target->post_halt_script);
1410 target->post_halt_script = strdup(args[2]);
1412 else if (strcmp(args[1], "pre_resume") == 0)
1414 if (target->pre_resume_script)
1415 free(target->pre_resume_script);
1416 target->pre_resume_script = strdup(args[2]);
1418 else if (strcmp(args[1], "gdb_program_config") == 0)
1420 if (target->gdb_program_script)
1421 free(target->gdb_program_script);
1422 target->gdb_program_script = strdup(args[2]);
1426 LOG_ERROR("unknown event type: '%s", args[1]);
1427 return ERROR_COMMAND_SYNTAX_ERROR;
1433 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1435 target_t *target = NULL;
1439 return ERROR_COMMAND_SYNTAX_ERROR;
1442 target = get_target_by_num(strtoul(args[0], NULL, 0));
1445 return ERROR_COMMAND_SYNTAX_ERROR;
1448 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1453 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1455 target_t *target = NULL;
1457 if ((argc < 4) || (argc > 5))
1459 return ERROR_COMMAND_SYNTAX_ERROR;
1462 target = get_target_by_num(strtoul(args[0], NULL, 0));
1465 return ERROR_COMMAND_SYNTAX_ERROR;
1467 target_free_all_working_areas(target);
1469 target->working_area_phys = target->working_area_virt = strtoul(args[1], NULL, 0);
1472 target->working_area_virt = strtoul(args[4], NULL, 0);
1474 target->working_area_size = strtoul(args[2], NULL, 0);
1476 if (strcmp(args[3], "backup") == 0)
1478 target->backup_working_area = 1;
1480 else if (strcmp(args[3], "nobackup") == 0)
1482 target->backup_working_area = 0;
1486 LOG_ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
1487 return ERROR_COMMAND_SYNTAX_ERROR;
1494 /* process target state changes */
1495 int handle_target(void *priv)
1497 target_t *target = targets;
1501 if (target_continous_poll)
1503 /* polling may fail silently until the target has been examined */
1504 target_poll(target);
1507 target = target->next;
1513 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1522 target = get_current_target(cmd_ctx);
1524 /* list all available registers for the current target */
1527 reg_cache_t *cache = target->reg_cache;
1533 for (i = 0; i < cache->num_regs; i++)
1535 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1536 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);
1539 cache = cache->next;
1545 /* access a single register by its ordinal number */
1546 if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1548 int num = strtoul(args[0], NULL, 0);
1549 reg_cache_t *cache = target->reg_cache;
1555 for (i = 0; i < cache->num_regs; i++)
1559 reg = &cache->reg_list[i];
1565 cache = cache->next;
1570 command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1573 } else /* access a single register by its name */
1575 reg = register_get_by_name(target->reg_cache, args[0], 1);
1579 command_print(cmd_ctx, "register %s not found in current target", args[0]);
1584 /* display a register */
1585 if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1587 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1590 if (reg->valid == 0)
1592 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1593 if (arch_type == NULL)
1595 LOG_ERROR("BUG: encountered unregistered arch type");
1598 arch_type->get(reg);
1600 value = buf_to_str(reg->value, reg->size, 16);
1601 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1606 /* set register value */
1609 u8 *buf = malloc(CEIL(reg->size, 8));
1610 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1612 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1613 if (arch_type == NULL)
1615 LOG_ERROR("BUG: encountered unregistered arch type");
1619 arch_type->set(reg, buf);
1621 value = buf_to_str(reg->value, reg->size, 16);
1622 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1630 command_print(cmd_ctx, "usage: reg <#|name> [value]");
1635 static int wait_state(struct command_context_s *cmd_ctx, char *cmd, enum target_state state, int ms);
1637 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1639 target_t *target = get_current_target(cmd_ctx);
1643 target_poll(target);
1644 target_arch_state(target);
1648 if (strcmp(args[0], "on") == 0)
1650 target_continous_poll = 1;
1652 else if (strcmp(args[0], "off") == 0)
1654 target_continous_poll = 0;
1658 command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1666 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1674 ms = strtoul(args[0], &end, 0) * 1000;
1677 command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1682 return wait_state(cmd_ctx, cmd, TARGET_HALTED, ms);
1685 static void target_process_events(struct command_context_s *cmd_ctx)
1687 target_t *target = get_current_target(cmd_ctx);
1688 target_poll(target);
1689 target_call_timer_callbacks_now();
1692 static int wait_state(struct command_context_s *cmd_ctx, char *cmd, enum target_state state, int ms)
1695 struct timeval timeout, now;
1697 gettimeofday(&timeout, NULL);
1698 timeval_add_time(&timeout, 0, ms * 1000);
1700 target_t *target = get_current_target(cmd_ctx);
1703 if ((retval=target_poll(target))!=ERROR_OK)
1705 target_call_timer_callbacks_now();
1706 if (target->state == state)
1713 command_print(cmd_ctx, "waiting for target %s...", target_state_strings[state]);
1716 gettimeofday(&now, NULL);
1717 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
1719 LOG_ERROR("timed out while waiting for target %s", target_state_strings[state]);
1727 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1730 target_t *target = get_current_target(cmd_ctx);
1734 if ((retval = target_halt(target)) != ERROR_OK)
1739 return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1743 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1745 target_t *target = get_current_target(cmd_ctx);
1747 LOG_USER("requesting target halt and executing a soft reset");
1749 target->type->soft_reset_halt(target);
1754 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1756 target_t *target = get_current_target(cmd_ctx);
1757 enum target_reset_mode reset_mode = target->reset_mode;
1758 enum target_reset_mode save = target->reset_mode;
1764 if (strcmp("run", args[0]) == 0)
1765 reset_mode = RESET_RUN;
1766 else if (strcmp("halt", args[0]) == 0)
1767 reset_mode = RESET_HALT;
1768 else if (strcmp("init", args[0]) == 0)
1769 reset_mode = RESET_INIT;
1770 else if (strcmp("run_and_halt", args[0]) == 0)
1772 reset_mode = RESET_RUN_AND_HALT;
1775 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1778 else if (strcmp("run_and_init", args[0]) == 0)
1780 reset_mode = RESET_RUN_AND_INIT;
1783 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1788 command_print(cmd_ctx, "usage: reset ['run', 'halt', 'init', 'run_and_halt', 'run_and_init]");
1793 /* temporarily modify mode of current reset target */
1794 target->reset_mode = reset_mode;
1796 /* reset *all* targets */
1797 target_process_reset(cmd_ctx);
1799 /* Restore default reset mode for this target */
1800 target->reset_mode = save;
1805 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1808 target_t *target = get_current_target(cmd_ctx);
1811 retval = target_resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1813 retval = target_resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1816 return ERROR_COMMAND_SYNTAX_ERROR;
1819 target_process_events(cmd_ctx);
1824 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1826 target_t *target = get_current_target(cmd_ctx);
1831 target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1834 target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1839 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1841 const int line_bytecnt = 32;
1854 target_t *target = get_current_target(cmd_ctx);
1860 count = strtoul(args[1], NULL, 0);
1862 address = strtoul(args[0], NULL, 0);
1868 size = 4; line_modulo = line_bytecnt / 4;
1871 size = 2; line_modulo = line_bytecnt / 2;
1874 size = 1; line_modulo = line_bytecnt / 1;
1880 buffer = calloc(count, size);
1881 retval = target->type->read_memory(target, address, size, count, buffer);
1882 if (retval == ERROR_OK)
1886 for (i = 0; i < count; i++)
1888 if (i%line_modulo == 0)
1889 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1894 output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1897 output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1900 output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1904 if ((i%line_modulo == line_modulo-1) || (i == count - 1))
1906 command_print(cmd_ctx, output);
1912 LOG_ERROR("Failure examining memory");
1920 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1927 target_t *target = get_current_target(cmd_ctx);
1930 if ((argc < 2) || (argc > 3))
1931 return ERROR_COMMAND_SYNTAX_ERROR;
1933 address = strtoul(args[0], NULL, 0);
1934 value = strtoul(args[1], NULL, 0);
1936 count = strtoul(args[2], NULL, 0);
1943 target_buffer_set_u32(target, value_buf, value);
1947 target_buffer_set_u16(target, value_buf, value);
1951 value_buf[0] = value;
1954 return ERROR_COMMAND_SYNTAX_ERROR;
1956 for (i=0; i<count; i++)
1962 retval = target->type->write_memory(target, address + i*wordsize, 4, 1, value_buf);
1965 retval = target->type->write_memory(target, address + i*wordsize, 2, 1, value_buf);
1968 retval = target->type->write_memory(target, address + i*wordsize, 1, 1, value_buf);
1973 if (retval!=ERROR_OK)
1983 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1993 duration_t duration;
1994 char *duration_text;
1996 target_t *target = get_current_target(cmd_ctx);
2000 command_print(cmd_ctx, "usage: load_image <filename> [address] [type]");
2004 /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
2007 image.base_address_set = 1;
2008 image.base_address = strtoul(args[1], NULL, 0);
2012 image.base_address_set = 0;
2015 image.start_address_set = 0;
2017 duration_start_measure(&duration);
2019 if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2026 for (i = 0; i < image.num_sections; i++)
2028 buffer = malloc(image.sections[i].size);
2031 command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2035 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2040 if ((retval = target_write_buffer(target, image.sections[i].base_address, buf_cnt, buffer)) != ERROR_OK)
2045 image_size += buf_cnt;
2046 command_print(cmd_ctx, "%u byte written at address 0x%8.8x", buf_cnt, image.sections[i].base_address);
2051 duration_stop_measure(&duration, &duration_text);
2052 if (retval==ERROR_OK)
2054 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
2056 free(duration_text);
2058 image_close(&image);
2064 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2071 int retval=ERROR_OK;
2073 duration_t duration;
2074 char *duration_text;
2076 target_t *target = get_current_target(cmd_ctx);
2080 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2084 address = strtoul(args[1], NULL, 0);
2085 size = strtoul(args[2], NULL, 0);
2087 if ((address & 3) || (size & 3))
2089 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
2093 if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2098 duration_start_measure(&duration);
2103 u32 this_run_size = (size > 560) ? 560 : size;
2105 retval = target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
2106 if (retval != ERROR_OK)
2111 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2112 if (retval != ERROR_OK)
2117 size -= this_run_size;
2118 address += this_run_size;
2121 fileio_close(&fileio);
2123 duration_stop_measure(&duration, &duration_text);
2124 if (retval==ERROR_OK)
2126 command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
2128 free(duration_text);
2133 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2141 u32 mem_checksum = 0;
2145 duration_t duration;
2146 char *duration_text;
2148 target_t *target = get_current_target(cmd_ctx);
2152 return ERROR_COMMAND_SYNTAX_ERROR;
2157 LOG_ERROR("no target selected");
2161 duration_start_measure(&duration);
2165 image.base_address_set = 1;
2166 image.base_address = strtoul(args[1], NULL, 0);
2170 image.base_address_set = 0;
2171 image.base_address = 0x0;
2174 image.start_address_set = 0;
2176 if ((retval=image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2183 for (i = 0; i < image.num_sections; i++)
2185 buffer = malloc(image.sections[i].size);
2188 command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2191 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2197 /* calculate checksum of image */
2198 image_calculate_checksum( buffer, buf_cnt, &checksum );
2200 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2201 if( retval != ERROR_OK )
2207 if( checksum != mem_checksum )
2209 /* failed crc checksum, fall back to a binary compare */
2212 command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2214 data = (u8*)malloc(buf_cnt);
2216 /* Can we use 32bit word accesses? */
2218 int count = buf_cnt;
2219 if ((count % 4) == 0)
2224 retval = target->type->read_memory(target, image.sections[i].base_address, size, count, data);
2225 if (retval == ERROR_OK)
2228 for (t = 0; t < buf_cnt; t++)
2230 if (data[t] != buffer[t])
2232 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]);
2245 image_size += buf_cnt;
2248 duration_stop_measure(&duration, &duration_text);
2249 if (retval==ERROR_OK)
2251 command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2253 free(duration_text);
2255 image_close(&image);
2260 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2263 target_t *target = get_current_target(cmd_ctx);
2267 breakpoint_t *breakpoint = target->breakpoints;
2271 if (breakpoint->type == BKPT_SOFT)
2273 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
2274 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
2279 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
2281 breakpoint = breakpoint->next;
2289 length = strtoul(args[1], NULL, 0);
2292 if (strcmp(args[2], "hw") == 0)
2295 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
2297 LOG_ERROR("Failure setting breakpoints");
2301 command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
2306 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2312 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2314 target_t *target = get_current_target(cmd_ctx);
2317 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2322 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2324 target_t *target = get_current_target(cmd_ctx);
2329 watchpoint_t *watchpoint = target->watchpoints;
2333 command_print(cmd_ctx, "address: 0x%8.8x, mask: 0x%8.8x, r/w/a: %i, value: 0x%8.8x, mask: 0x%8.8x", watchpoint->address, watchpoint->length, watchpoint->rw, watchpoint->value, watchpoint->mask);
2334 watchpoint = watchpoint->next;
2339 enum watchpoint_rw type = WPT_ACCESS;
2340 u32 data_value = 0x0;
2341 u32 data_mask = 0xffffffff;
2357 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2363 data_value = strtoul(args[3], NULL, 0);
2367 data_mask = strtoul(args[4], NULL, 0);
2370 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2371 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2373 LOG_ERROR("Failure setting breakpoints");
2378 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2384 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2386 target_t *target = get_current_target(cmd_ctx);
2389 watchpoint_remove(target, strtoul(args[0], NULL, 0));
2394 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
2397 target_t *target = get_current_target(cmd_ctx);
2403 return ERROR_COMMAND_SYNTAX_ERROR;
2405 va = strtoul(args[0], NULL, 0);
2407 retval = target->type->virt2phys(target, va, &pa);
2408 if (retval == ERROR_OK)
2410 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2414 /* lower levels will have logged a detailed error which is
2415 * forwarded to telnet/GDB session.
2420 static void writeLong(FILE *f, int l)
2425 char c=(l>>(i*8))&0xff;
2426 fwrite(&c, 1, 1, f);
2430 static void writeString(FILE *f, char *s)
2432 fwrite(s, 1, strlen(s), f);
2437 // Dump a gmon.out histogram file.
2438 static void writeGmon(u32 *samples, int sampleNum, char *filename)
2441 FILE *f=fopen(filename, "w");
2444 fwrite("gmon", 1, 4, f);
2445 writeLong(f, 0x00000001); // Version
2446 writeLong(f, 0); // padding
2447 writeLong(f, 0); // padding
2448 writeLong(f, 0); // padding
2450 fwrite("", 1, 1, f); // GMON_TAG_TIME_HIST
2452 // figure out bucket size
2455 for (i=0; i<sampleNum; i++)
2467 int addressSpace=(max-min+1);
2469 static int const maxBuckets=256*1024; // maximum buckets.
2470 int length=addressSpace;
2471 if (length > maxBuckets)
2475 int *buckets=malloc(sizeof(int)*length);
2481 memset(buckets, 0, sizeof(int)*length);
2482 for (i=0; i<sampleNum;i++)
2484 u32 address=samples[i];
2485 long long a=address-min;
2486 long long b=length-1;
2487 long long c=addressSpace-1;
2488 int index=(a*b)/c; // danger!!!! int32 overflows
2492 // append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr))
2493 writeLong(f, min); // low_pc
2494 writeLong(f, max); // high_pc
2495 writeLong(f, length); // # of samples
2496 writeLong(f, 64000000); // 64MHz
2497 writeString(f, "seconds");
2498 for (i=0; i<(15-strlen("seconds")); i++)
2500 fwrite("", 1, 1, f); // padding
2502 writeString(f, "s");
2504 // append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size)
2506 char *data=malloc(2*length);
2509 for (i=0; i<length;i++)
2518 data[i*2+1]=(val>>8)&0xff;
2521 fwrite(data, 1, length*2, f);
2531 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
2532 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2534 target_t *target = get_current_target(cmd_ctx);
2535 struct timeval timeout, now;
2537 gettimeofday(&timeout, NULL);
2540 return ERROR_COMMAND_SYNTAX_ERROR;
2543 timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
2549 command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
2551 static const int maxSample=10000;
2552 u32 *samples=malloc(sizeof(u32)*maxSample);
2557 int retval=ERROR_OK;
2558 // hopefully it is safe to cache! We want to stop/restart as quickly as possible.
2559 reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
2563 target_poll(target);
2564 if (target->state == TARGET_HALTED)
2566 u32 t=*((u32 *)reg->value);
2567 samples[numSamples++]=t;
2568 retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2569 target_poll(target);
2570 usleep(10*1000); // sleep 10ms, i.e. <100 samples/second.
2571 } else if (target->state == TARGET_RUNNING)
2573 // We want to quickly sample the PC.
2574 target_halt(target);
2577 command_print(cmd_ctx, "Target not halted or running");
2581 if (retval!=ERROR_OK)
2586 gettimeofday(&now, NULL);
2587 if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
2589 command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
2590 target_poll(target);
2591 if (target->state == TARGET_HALTED)
2593 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2595 target_poll(target);
2596 writeGmon(samples, numSamples, args[1]);
2597 command_print(cmd_ctx, "Wrote %s", args[1]);