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 /* First time this is executed after launching OpenOCD, it will read out
302 * the type of CPU, etc. and init Embedded ICE registers in host
305 * It will also set up ICE registers in the target.
307 * However, if we assert TRST later, we need to set up the registers again.
309 * For the "reset halt/init" case we must only set up the registers here.
311 if ((retval = target_examine(cmd_ctx)) != ERROR_OK)
314 /* prepare reset_halt where necessary */
318 if (jtag_reset_config & RESET_SRST_PULLS_TRST)
320 switch (target->reset_mode)
323 command_print(cmd_ctx, "nSRST pulls nTRST, falling back to \"reset run_and_halt\"");
324 target->reset_mode = RESET_RUN_AND_HALT;
327 command_print(cmd_ctx, "nSRST pulls nTRST, falling back to \"reset run_and_init\"");
328 target->reset_mode = RESET_RUN_AND_INIT;
334 target = target->next;
340 /* we have no idea what state the target is in, so we
341 * have to drop working areas
343 target_free_all_working_areas_restore(target, 0);
344 target->type->assert_reset(target);
345 target = target->next;
347 if ((retval = jtag_execute_queue()) != ERROR_OK)
349 LOG_WARNING("JTAG communication failed asserting reset.");
353 /* request target halt if necessary, and schedule further action */
357 switch (target->reset_mode)
360 /* nothing to do if target just wants to be run */
362 case RESET_RUN_AND_HALT:
364 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
366 case RESET_RUN_AND_INIT:
368 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
369 target_register_event_callback(target_init_handler, cmd_ctx);
376 target_register_event_callback(target_init_handler, cmd_ctx);
379 LOG_ERROR("BUG: unknown target->reset_mode");
381 target = target->next;
384 if ((retval = jtag_execute_queue()) != ERROR_OK)
386 LOG_WARNING("JTAG communication failed while reset was asserted. Consider using srst_only for reset_config.");
393 target->type->deassert_reset(target);
394 target = target->next;
397 if (jtag_reset_config & RESET_SRST_PULLS_TRST)
399 /* If TRST was asserted we need to set up registers again */
400 if ((retval = target_examine(cmd_ctx)) != ERROR_OK)
404 if ((retval = jtag_execute_queue()) != ERROR_OK)
406 LOG_WARNING("JTAG communication failed while deasserting reset.");
410 LOG_DEBUG("Waiting for halted stated as approperiate");
412 /* Wait for reset to complete, maximum 5 seconds. */
413 gettimeofday(&timeout, NULL);
414 timeval_add_time(&timeout, 5, 0);
417 gettimeofday(&now, NULL);
419 target_call_timer_callbacks_now();
424 LOG_DEBUG("Polling target");
426 if ((target->reset_mode == RESET_RUN_AND_INIT) ||
427 (target->reset_mode == RESET_RUN_AND_HALT) ||
428 (target->reset_mode == RESET_HALT) ||
429 (target->reset_mode == RESET_INIT))
431 if (target->state != TARGET_HALTED)
433 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
435 LOG_USER("Timed out waiting for halt after reset");
438 /* this will send alive messages on e.g. GDB remote protocol. */
440 LOG_USER_N("%s", ""); /* avoid warning about zero length formatting message*/
444 target = target->next;
446 /* All targets we're waiting for are halted */
454 /* We want any events to be processed before the prompt */
455 target_call_timer_callbacks_now();
457 /* if we timed out we need to unregister these handlers */
461 target_unregister_timer_callback(target_run_and_halt_handler, target);
462 target = target->next;
464 target_unregister_event_callback(target_init_handler, cmd_ctx);
467 jtag->speed(jtag_speed_post_reset);
472 static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
478 static int default_mmu(struct target_s *target, int *enabled)
484 static int default_examine(struct command_context_s *cmd_ctx, struct target_s *target)
486 target->type->examined = 1;
491 /* Targets that correctly implement init+examine, i.e.
492 * no communication with target during init:
496 int target_examine(struct command_context_s *cmd_ctx)
498 int retval = ERROR_OK;
499 target_t *target = targets;
502 if ((retval = target->type->examine(cmd_ctx, target))!=ERROR_OK)
504 target = target->next;
509 static int target_write_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
511 if (!target->type->examined)
513 LOG_ERROR("Target not examined yet");
516 return target->type->write_memory_imp(target, address, size, count, buffer);
519 static int target_read_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
521 if (!target->type->examined)
523 LOG_ERROR("Target not examined yet");
526 return target->type->read_memory_imp(target, address, size, count, buffer);
529 static int target_soft_reset_halt_imp(struct target_s *target)
531 if (!target->type->examined)
533 LOG_ERROR("Target not examined yet");
536 return target->type->soft_reset_halt_imp(target);
539 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)
541 if (!target->type->examined)
543 LOG_ERROR("Target not examined yet");
546 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);
549 int target_init(struct command_context_s *cmd_ctx)
551 target_t *target = targets;
555 target->type->examined = 0;
556 if (target->type->examine == NULL)
558 target->type->examine = default_examine;
561 if (target->type->init_target(cmd_ctx, target) != ERROR_OK)
563 LOG_ERROR("target '%s' init failed", target->type->name);
567 /* Set up default functions if none are provided by target */
568 if (target->type->virt2phys == NULL)
570 target->type->virt2phys = default_virt2phys;
572 target->type->virt2phys = default_virt2phys;
573 /* a non-invasive way(in terms of patches) to add some code that
574 * runs before the type->write/read_memory implementation
576 target->type->write_memory_imp = target->type->write_memory;
577 target->type->write_memory = target_write_memory_imp;
578 target->type->read_memory_imp = target->type->read_memory;
579 target->type->read_memory = target_read_memory_imp;
580 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
581 target->type->soft_reset_halt = target_soft_reset_halt_imp;
582 target->type->run_algorithm_imp = target->type->run_algorithm;
583 target->type->run_algorithm = target_run_algorithm_imp;
586 if (target->type->mmu == NULL)
588 target->type->mmu = default_mmu;
590 target = target->next;
595 target_register_user_commands(cmd_ctx);
596 target_register_timer_callback(handle_target, 100, 1, NULL);
602 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
604 target_event_callback_t **callbacks_p = &target_event_callbacks;
606 if (callback == NULL)
608 return ERROR_INVALID_ARGUMENTS;
613 while ((*callbacks_p)->next)
614 callbacks_p = &((*callbacks_p)->next);
615 callbacks_p = &((*callbacks_p)->next);
618 (*callbacks_p) = malloc(sizeof(target_event_callback_t));
619 (*callbacks_p)->callback = callback;
620 (*callbacks_p)->priv = priv;
621 (*callbacks_p)->next = NULL;
626 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
628 target_timer_callback_t **callbacks_p = &target_timer_callbacks;
631 if (callback == NULL)
633 return ERROR_INVALID_ARGUMENTS;
638 while ((*callbacks_p)->next)
639 callbacks_p = &((*callbacks_p)->next);
640 callbacks_p = &((*callbacks_p)->next);
643 (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
644 (*callbacks_p)->callback = callback;
645 (*callbacks_p)->periodic = periodic;
646 (*callbacks_p)->time_ms = time_ms;
648 gettimeofday(&now, NULL);
649 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
650 time_ms -= (time_ms % 1000);
651 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
652 if ((*callbacks_p)->when.tv_usec > 1000000)
654 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
655 (*callbacks_p)->when.tv_sec += 1;
658 (*callbacks_p)->priv = priv;
659 (*callbacks_p)->next = NULL;
664 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
666 target_event_callback_t **p = &target_event_callbacks;
667 target_event_callback_t *c = target_event_callbacks;
669 if (callback == NULL)
671 return ERROR_INVALID_ARGUMENTS;
676 target_event_callback_t *next = c->next;
677 if ((c->callback == callback) && (c->priv == priv))
691 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
693 target_timer_callback_t **p = &target_timer_callbacks;
694 target_timer_callback_t *c = target_timer_callbacks;
696 if (callback == NULL)
698 return ERROR_INVALID_ARGUMENTS;
703 target_timer_callback_t *next = c->next;
704 if ((c->callback == callback) && (c->priv == priv))
718 int target_call_event_callbacks(target_t *target, enum target_event event)
720 target_event_callback_t *callback = target_event_callbacks;
721 target_event_callback_t *next_callback;
723 LOG_DEBUG("target event %i", event);
727 next_callback = callback->next;
728 callback->callback(target, event, callback->priv);
729 callback = next_callback;
735 static int target_call_timer_callbacks_check_time(int checktime)
737 target_timer_callback_t *callback = target_timer_callbacks;
738 target_timer_callback_t *next_callback;
741 gettimeofday(&now, NULL);
745 next_callback = callback->next;
747 if ((!checktime&&callback->periodic)||
748 (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
749 || (now.tv_sec > callback->when.tv_sec)))
751 callback->callback(callback->priv);
752 if (callback->periodic)
754 int time_ms = callback->time_ms;
755 callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
756 time_ms -= (time_ms % 1000);
757 callback->when.tv_sec = now.tv_sec + time_ms / 1000;
758 if (callback->when.tv_usec > 1000000)
760 callback->when.tv_usec = callback->when.tv_usec - 1000000;
761 callback->when.tv_sec += 1;
765 target_unregister_timer_callback(callback->callback, callback->priv);
768 callback = next_callback;
774 int target_call_timer_callbacks()
776 return target_call_timer_callbacks_check_time(1);
779 /* invoke periodic callbacks immediately */
780 int target_call_timer_callbacks_now()
782 return target_call_timer_callbacks(0);
786 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
788 working_area_t *c = target->working_areas;
789 working_area_t *new_wa = NULL;
791 /* Reevaluate working area address based on MMU state*/
792 if (target->working_areas == NULL)
796 retval = target->type->mmu(target, &enabled);
797 if (retval != ERROR_OK)
803 target->working_area = target->working_area_virt;
807 target->working_area = target->working_area_phys;
811 /* only allocate multiples of 4 byte */
814 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
815 size = CEIL(size, 4);
818 /* see if there's already a matching working area */
821 if ((c->free) && (c->size == size))
829 /* if not, allocate a new one */
832 working_area_t **p = &target->working_areas;
833 u32 first_free = target->working_area;
834 u32 free_size = target->working_area_size;
836 LOG_DEBUG("allocating new working area");
838 c = target->working_areas;
841 first_free += c->size;
842 free_size -= c->size;
847 if (free_size < size)
849 LOG_WARNING("not enough working area available(requested %d, free %d)", size, free_size);
850 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
853 new_wa = malloc(sizeof(working_area_t));
856 new_wa->address = first_free;
858 if (target->backup_working_area)
860 new_wa->backup = malloc(new_wa->size);
861 target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup);
865 new_wa->backup = NULL;
868 /* put new entry in list */
872 /* mark as used, and return the new (reused) area */
882 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
887 if (restore&&target->backup_working_area)
888 target->type->write_memory(target, area->address, 4, area->size / 4, area->backup);
892 /* mark user pointer invalid */
899 int target_free_working_area(struct target_s *target, working_area_t *area)
901 return target_free_working_area_restore(target, area, 1);
904 int target_free_all_working_areas_restore(struct target_s *target, int restore)
906 working_area_t *c = target->working_areas;
910 working_area_t *next = c->next;
911 target_free_working_area_restore(target, c, restore);
921 target->working_areas = NULL;
926 int target_free_all_working_areas(struct target_s *target)
928 return target_free_all_working_areas_restore(target, 1);
931 int target_register_commands(struct command_context_s *cmd_ctx)
933 register_command(cmd_ctx, NULL, "target", handle_target_command, COMMAND_CONFIG, "target <cpu> [reset_init default - DEPRECATED] <chainpos> <endianness> <variant> [cpu type specifc args]");
934 register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL);
935 register_command(cmd_ctx, NULL, "target_script", handle_target_script_command, COMMAND_CONFIG, NULL);
936 register_command(cmd_ctx, NULL, "run_and_halt_time", handle_run_and_halt_time_command, COMMAND_CONFIG, "<target> <run time ms>");
937 register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_ANY, "working_area <target#> <address> <size> <'backup'|'nobackup'> [virtual address]");
938 register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "virt2phys <virtual address>");
939 register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "PRELIMINARY! - profile <seconds> <gmon.out>");
944 int target_arch_state(struct target_s *target)
949 LOG_USER("No target has been configured");
953 LOG_USER("target state: %s", target_state_strings[target->state]);
955 if (target->state!=TARGET_HALTED)
958 retval=target->type->arch_state(target);
962 /* Single aligned words are guaranteed to use 16 or 32 bit access
963 * mode respectively, otherwise data is handled as quickly as
966 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
969 if (!target->type->examined)
971 LOG_ERROR("Target not examined yet");
975 LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
977 if (((address % 2) == 0) && (size == 2))
979 return target->type->write_memory(target, address, 2, 1, buffer);
982 /* handle unaligned head bytes */
985 int unaligned = 4 - (address % 4);
987 if (unaligned > size)
990 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
994 address += unaligned;
998 /* handle aligned words */
1001 int aligned = size - (size % 4);
1003 /* use bulk writes above a certain limit. This may have to be changed */
1006 if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1011 if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1020 /* handle tail writes of less than 4 bytes */
1023 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1031 /* Single aligned words are guaranteed to use 16 or 32 bit access
1032 * mode respectively, otherwise data is handled as quickly as
1035 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
1038 if (!target->type->examined)
1040 LOG_ERROR("Target not examined yet");
1044 LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
1046 if (((address % 2) == 0) && (size == 2))
1048 return target->type->read_memory(target, address, 2, 1, buffer);
1051 /* handle unaligned head bytes */
1054 int unaligned = 4 - (address % 4);
1056 if (unaligned > size)
1059 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1062 buffer += unaligned;
1063 address += unaligned;
1067 /* handle aligned words */
1070 int aligned = size - (size % 4);
1072 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1080 /* handle tail writes of less than 4 bytes */
1083 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1090 int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc)
1096 if (!target->type->examined)
1098 LOG_ERROR("Target not examined yet");
1102 if ((retval = target->type->checksum_memory(target, address,
1103 size, &checksum)) == ERROR_TARGET_RESOURCE_NOT_AVAILABLE)
1105 buffer = malloc(size);
1108 LOG_ERROR("error allocating buffer for section (%d bytes)", size);
1109 return ERROR_INVALID_ARGUMENTS;
1111 retval = target_read_buffer(target, address, size, buffer);
1112 if (retval != ERROR_OK)
1118 /* convert to target endianess */
1119 for (i = 0; i < (size/sizeof(u32)); i++)
1122 target_data = target_buffer_get_u32(target, &buffer[i*sizeof(u32)]);
1123 target_buffer_set_u32(target, &buffer[i*sizeof(u32)], target_data);
1126 retval = image_calculate_checksum( buffer, size, &checksum );
1135 int target_read_u32(struct target_s *target, u32 address, u32 *value)
1138 if (!target->type->examined)
1140 LOG_ERROR("Target not examined yet");
1144 int retval = target->type->read_memory(target, address, 4, 1, value_buf);
1146 if (retval == ERROR_OK)
1148 *value = target_buffer_get_u32(target, value_buf);
1149 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
1154 LOG_DEBUG("address: 0x%8.8x failed", address);
1160 int target_read_u16(struct target_s *target, u32 address, u16 *value)
1163 if (!target->type->examined)
1165 LOG_ERROR("Target not examined yet");
1169 int retval = target->type->read_memory(target, address, 2, 1, value_buf);
1171 if (retval == ERROR_OK)
1173 *value = target_buffer_get_u16(target, value_buf);
1174 LOG_DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
1179 LOG_DEBUG("address: 0x%8.8x failed", address);
1185 int target_read_u8(struct target_s *target, u32 address, u8 *value)
1187 int retval = target->type->read_memory(target, address, 1, 1, value);
1188 if (!target->type->examined)
1190 LOG_ERROR("Target not examined yet");
1194 if (retval == ERROR_OK)
1196 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
1201 LOG_DEBUG("address: 0x%8.8x failed", address);
1207 int target_write_u32(struct target_s *target, u32 address, u32 value)
1211 if (!target->type->examined)
1213 LOG_ERROR("Target not examined yet");
1217 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1219 target_buffer_set_u32(target, value_buf, value);
1220 if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1222 LOG_DEBUG("failed: %i", retval);
1228 int target_write_u16(struct target_s *target, u32 address, u16 value)
1232 if (!target->type->examined)
1234 LOG_ERROR("Target not examined yet");
1238 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1240 target_buffer_set_u16(target, value_buf, value);
1241 if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1243 LOG_DEBUG("failed: %i", retval);
1249 int target_write_u8(struct target_s *target, u32 address, u8 value)
1252 if (!target->type->examined)
1254 LOG_ERROR("Target not examined yet");
1258 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
1260 if ((retval = target->type->read_memory(target, address, 1, 1, &value)) != ERROR_OK)
1262 LOG_DEBUG("failed: %i", retval);
1268 int target_register_user_commands(struct command_context_s *cmd_ctx)
1270 register_command(cmd_ctx, NULL, "reg", handle_reg_command, COMMAND_EXEC, NULL);
1271 register_command(cmd_ctx, NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1272 register_command(cmd_ctx, NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1273 register_command(cmd_ctx, NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1274 register_command(cmd_ctx, NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1275 register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1276 register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init|run_and_halt|run_and_init]");
1277 register_command(cmd_ctx, NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1279 register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
1280 register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
1281 register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
1283 register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value> [count]");
1284 register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value> [count]");
1285 register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value> [count]");
1287 register_command(cmd_ctx, NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
1288 register_command(cmd_ctx, NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
1289 register_command(cmd_ctx, NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
1290 register_command(cmd_ctx, NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
1292 register_command(cmd_ctx, NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex'|'elf'|'s19']");
1293 register_command(cmd_ctx, NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1294 register_command(cmd_ctx, NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1295 register_command(cmd_ctx, NULL, "load_binary", handle_load_image_command, COMMAND_EXEC, "[DEPRECATED] load_binary <file> <address>");
1296 register_command(cmd_ctx, NULL, "dump_binary", handle_dump_image_command, COMMAND_EXEC, "[DEPRECATED] dump_binary <file> <address> <size>");
1298 target_request_register_commands(cmd_ctx);
1299 trace_register_commands(cmd_ctx);
1304 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1306 target_t *target = targets;
1311 int num = strtoul(args[0], NULL, 0);
1316 target = target->next;
1320 cmd_ctx->current_target = num;
1322 command_print(cmd_ctx, "%i is out of bounds, only %i targets are configured", num, count);
1329 command_print(cmd_ctx, "%i: %s (%s), state: %s", count++, target->type->name, target_endianess_strings[target->endianness], target_state_strings[target->state]);
1330 target = target->next;
1336 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1343 return ERROR_COMMAND_SYNTAX_ERROR;
1346 /* search for the specified target */
1347 if (args[0] && (args[0][0] != 0))
1349 for (i = 0; target_types[i]; i++)
1351 if (strcmp(args[0], target_types[i]->name) == 0)
1353 target_t **last_target_p = &targets;
1355 /* register target specific commands */
1356 if (target_types[i]->register_commands(cmd_ctx) != ERROR_OK)
1358 LOG_ERROR("couldn't register '%s' commands", args[0]);
1364 while ((*last_target_p)->next)
1365 last_target_p = &((*last_target_p)->next);
1366 last_target_p = &((*last_target_p)->next);
1369 *last_target_p = malloc(sizeof(target_t));
1371 (*last_target_p)->type = target_types[i];
1373 if (strcmp(args[1], "big") == 0)
1374 (*last_target_p)->endianness = TARGET_BIG_ENDIAN;
1375 else if (strcmp(args[1], "little") == 0)
1376 (*last_target_p)->endianness = TARGET_LITTLE_ENDIAN;
1379 LOG_ERROR("endianness must be either 'little' or 'big', not '%s'", args[1]);
1380 return ERROR_COMMAND_SYNTAX_ERROR;
1383 /* what to do on a target reset */
1384 (*last_target_p)->reset_mode = RESET_INIT; /* default */
1385 if (strcmp(args[2], "reset_halt") == 0)
1386 (*last_target_p)->reset_mode = RESET_HALT;
1387 else if (strcmp(args[2], "reset_run") == 0)
1388 (*last_target_p)->reset_mode = RESET_RUN;
1389 else if (strcmp(args[2], "reset_init") == 0)
1390 (*last_target_p)->reset_mode = RESET_INIT;
1391 else if (strcmp(args[2], "run_and_halt") == 0)
1392 (*last_target_p)->reset_mode = RESET_RUN_AND_HALT;
1393 else if (strcmp(args[2], "run_and_init") == 0)
1394 (*last_target_p)->reset_mode = RESET_RUN_AND_INIT;
1397 /* Kludge! we want to make this reset arg optional while remaining compatible! */
1401 (*last_target_p)->run_and_halt_time = 1000; /* default 1s */
1403 (*last_target_p)->reset_script = NULL;
1404 (*last_target_p)->post_halt_script = NULL;
1405 (*last_target_p)->pre_resume_script = NULL;
1406 (*last_target_p)->gdb_program_script = NULL;
1408 (*last_target_p)->working_area = 0x0;
1409 (*last_target_p)->working_area_size = 0x0;
1410 (*last_target_p)->working_areas = NULL;
1411 (*last_target_p)->backup_working_area = 0;
1413 (*last_target_p)->state = TARGET_UNKNOWN;
1414 (*last_target_p)->debug_reason = DBG_REASON_UNDEFINED;
1415 (*last_target_p)->reg_cache = NULL;
1416 (*last_target_p)->breakpoints = NULL;
1417 (*last_target_p)->watchpoints = NULL;
1418 (*last_target_p)->next = NULL;
1419 (*last_target_p)->arch_info = NULL;
1421 /* initialize trace information */
1422 (*last_target_p)->trace_info = malloc(sizeof(trace_t));
1423 (*last_target_p)->trace_info->num_trace_points = 0;
1424 (*last_target_p)->trace_info->trace_points_size = 0;
1425 (*last_target_p)->trace_info->trace_points = NULL;
1426 (*last_target_p)->trace_info->trace_history_size = 0;
1427 (*last_target_p)->trace_info->trace_history = NULL;
1428 (*last_target_p)->trace_info->trace_history_pos = 0;
1429 (*last_target_p)->trace_info->trace_history_overflowed = 0;
1431 (*last_target_p)->dbgmsg = NULL;
1432 (*last_target_p)->dbg_msg_enabled = 0;
1434 (*last_target_p)->type->target_command(cmd_ctx, cmd, args, argc, *last_target_p);
1442 /* no matching target found */
1445 LOG_ERROR("target '%s' not found", args[0]);
1446 return ERROR_COMMAND_SYNTAX_ERROR;
1452 /* usage: target_script <target#> <event> <script_file> */
1453 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1455 target_t *target = NULL;
1459 LOG_ERROR("incomplete target_script command");
1460 return ERROR_COMMAND_SYNTAX_ERROR;
1463 target = get_target_by_num(strtoul(args[0], NULL, 0));
1467 return ERROR_COMMAND_SYNTAX_ERROR;
1470 if (strcmp(args[1], "reset") == 0)
1472 if (target->reset_script)
1473 free(target->reset_script);
1474 target->reset_script = strdup(args[2]);
1476 else if (strcmp(args[1], "post_halt") == 0)
1478 if (target->post_halt_script)
1479 free(target->post_halt_script);
1480 target->post_halt_script = strdup(args[2]);
1482 else if (strcmp(args[1], "pre_resume") == 0)
1484 if (target->pre_resume_script)
1485 free(target->pre_resume_script);
1486 target->pre_resume_script = strdup(args[2]);
1488 else if (strcmp(args[1], "gdb_program_config") == 0)
1490 if (target->gdb_program_script)
1491 free(target->gdb_program_script);
1492 target->gdb_program_script = strdup(args[2]);
1496 LOG_ERROR("unknown event type: '%s", args[1]);
1497 return ERROR_COMMAND_SYNTAX_ERROR;
1503 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1505 target_t *target = NULL;
1509 return ERROR_COMMAND_SYNTAX_ERROR;
1512 target = get_target_by_num(strtoul(args[0], NULL, 0));
1515 return ERROR_COMMAND_SYNTAX_ERROR;
1518 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1523 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1525 target_t *target = NULL;
1527 if ((argc < 4) || (argc > 5))
1529 return ERROR_COMMAND_SYNTAX_ERROR;
1532 target = get_target_by_num(strtoul(args[0], NULL, 0));
1535 return ERROR_COMMAND_SYNTAX_ERROR;
1537 target_free_all_working_areas(target);
1539 target->working_area_phys = target->working_area_virt = strtoul(args[1], NULL, 0);
1542 target->working_area_virt = strtoul(args[4], NULL, 0);
1544 target->working_area_size = strtoul(args[2], NULL, 0);
1546 if (strcmp(args[3], "backup") == 0)
1548 target->backup_working_area = 1;
1550 else if (strcmp(args[3], "nobackup") == 0)
1552 target->backup_working_area = 0;
1556 LOG_ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
1557 return ERROR_COMMAND_SYNTAX_ERROR;
1564 /* process target state changes */
1565 int handle_target(void *priv)
1567 target_t *target = targets;
1571 if (target_continous_poll)
1573 /* polling may fail silently until the target has been examined */
1574 target_poll(target);
1577 target = target->next;
1583 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1592 target = get_current_target(cmd_ctx);
1594 /* list all available registers for the current target */
1597 reg_cache_t *cache = target->reg_cache;
1603 for (i = 0; i < cache->num_regs; i++)
1605 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1606 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);
1609 cache = cache->next;
1615 /* access a single register by its ordinal number */
1616 if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1618 int num = strtoul(args[0], NULL, 0);
1619 reg_cache_t *cache = target->reg_cache;
1625 for (i = 0; i < cache->num_regs; i++)
1629 reg = &cache->reg_list[i];
1635 cache = cache->next;
1640 command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1643 } else /* access a single register by its name */
1645 reg = register_get_by_name(target->reg_cache, args[0], 1);
1649 command_print(cmd_ctx, "register %s not found in current target", args[0]);
1654 /* display a register */
1655 if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1657 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1660 if (reg->valid == 0)
1662 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1663 if (arch_type == NULL)
1665 LOG_ERROR("BUG: encountered unregistered arch type");
1668 arch_type->get(reg);
1670 value = buf_to_str(reg->value, reg->size, 16);
1671 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1676 /* set register value */
1679 u8 *buf = malloc(CEIL(reg->size, 8));
1680 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1682 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1683 if (arch_type == NULL)
1685 LOG_ERROR("BUG: encountered unregistered arch type");
1689 arch_type->set(reg, buf);
1691 value = buf_to_str(reg->value, reg->size, 16);
1692 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1700 command_print(cmd_ctx, "usage: reg <#|name> [value]");
1705 static int wait_state(struct command_context_s *cmd_ctx, char *cmd, enum target_state state, int ms);
1707 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1709 target_t *target = get_current_target(cmd_ctx);
1713 target_poll(target);
1714 target_arch_state(target);
1718 if (strcmp(args[0], "on") == 0)
1720 target_continous_poll = 1;
1722 else if (strcmp(args[0], "off") == 0)
1724 target_continous_poll = 0;
1728 command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1736 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1744 ms = strtoul(args[0], &end, 0) * 1000;
1747 command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1752 return wait_state(cmd_ctx, cmd, TARGET_HALTED, ms);
1755 static void target_process_events(struct command_context_s *cmd_ctx)
1757 target_t *target = get_current_target(cmd_ctx);
1758 target_poll(target);
1759 target_call_timer_callbacks_now();
1762 static int wait_state(struct command_context_s *cmd_ctx, char *cmd, enum target_state state, int ms)
1765 struct timeval timeout, now;
1767 gettimeofday(&timeout, NULL);
1768 timeval_add_time(&timeout, 0, ms * 1000);
1770 target_t *target = get_current_target(cmd_ctx);
1773 if ((retval=target_poll(target))!=ERROR_OK)
1775 target_call_timer_callbacks_now();
1776 if (target->state == state)
1783 command_print(cmd_ctx, "waiting for target %s...", target_state_strings[state]);
1786 gettimeofday(&now, NULL);
1787 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
1789 LOG_ERROR("timed out while waiting for target %s", target_state_strings[state]);
1797 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1800 target_t *target = get_current_target(cmd_ctx);
1804 if ((retval = target_halt(target)) != ERROR_OK)
1809 return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1813 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1815 target_t *target = get_current_target(cmd_ctx);
1817 LOG_USER("requesting target halt and executing a soft reset");
1819 target->type->soft_reset_halt(target);
1824 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1826 target_t *target = get_current_target(cmd_ctx);
1827 enum target_reset_mode reset_mode = target->reset_mode;
1828 enum target_reset_mode save = target->reset_mode;
1834 if (strcmp("run", args[0]) == 0)
1835 reset_mode = RESET_RUN;
1836 else if (strcmp("halt", args[0]) == 0)
1837 reset_mode = RESET_HALT;
1838 else if (strcmp("init", args[0]) == 0)
1839 reset_mode = RESET_INIT;
1840 else if (strcmp("run_and_halt", args[0]) == 0)
1842 reset_mode = RESET_RUN_AND_HALT;
1845 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1848 else if (strcmp("run_and_init", args[0]) == 0)
1850 reset_mode = RESET_RUN_AND_INIT;
1853 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1858 command_print(cmd_ctx, "usage: reset ['run', 'halt', 'init', 'run_and_halt', 'run_and_init]");
1863 /* temporarily modify mode of current reset target */
1864 target->reset_mode = reset_mode;
1866 /* reset *all* targets */
1867 target_process_reset(cmd_ctx);
1869 /* Restore default reset mode for this target */
1870 target->reset_mode = save;
1875 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1878 target_t *target = get_current_target(cmd_ctx);
1881 retval = target_resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1883 retval = target_resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1886 return ERROR_COMMAND_SYNTAX_ERROR;
1889 target_process_events(cmd_ctx);
1894 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1896 target_t *target = get_current_target(cmd_ctx);
1901 target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1904 target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1909 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1911 const int line_bytecnt = 32;
1924 target_t *target = get_current_target(cmd_ctx);
1930 count = strtoul(args[1], NULL, 0);
1932 address = strtoul(args[0], NULL, 0);
1938 size = 4; line_modulo = line_bytecnt / 4;
1941 size = 2; line_modulo = line_bytecnt / 2;
1944 size = 1; line_modulo = line_bytecnt / 1;
1950 buffer = calloc(count, size);
1951 retval = target->type->read_memory(target, address, size, count, buffer);
1952 if (retval == ERROR_OK)
1956 for (i = 0; i < count; i++)
1958 if (i%line_modulo == 0)
1959 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1964 output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1967 output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1970 output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1974 if ((i%line_modulo == line_modulo-1) || (i == count - 1))
1976 command_print(cmd_ctx, output);
1982 LOG_ERROR("Failure examining memory");
1990 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1997 target_t *target = get_current_target(cmd_ctx);
2000 if ((argc < 2) || (argc > 3))
2001 return ERROR_COMMAND_SYNTAX_ERROR;
2003 address = strtoul(args[0], NULL, 0);
2004 value = strtoul(args[1], NULL, 0);
2006 count = strtoul(args[2], NULL, 0);
2013 target_buffer_set_u32(target, value_buf, value);
2017 target_buffer_set_u16(target, value_buf, value);
2021 value_buf[0] = value;
2024 return ERROR_COMMAND_SYNTAX_ERROR;
2026 for (i=0; i<count; i++)
2032 retval = target->type->write_memory(target, address + i*wordsize, 4, 1, value_buf);
2035 retval = target->type->write_memory(target, address + i*wordsize, 2, 1, value_buf);
2038 retval = target->type->write_memory(target, address + i*wordsize, 1, 1, value_buf);
2043 if (retval!=ERROR_OK)
2053 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2063 duration_t duration;
2064 char *duration_text;
2066 target_t *target = get_current_target(cmd_ctx);
2070 command_print(cmd_ctx, "usage: load_image <filename> [address] [type]");
2074 /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
2077 image.base_address_set = 1;
2078 image.base_address = strtoul(args[1], NULL, 0);
2082 image.base_address_set = 0;
2085 image.start_address_set = 0;
2087 duration_start_measure(&duration);
2089 if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2096 for (i = 0; i < image.num_sections; i++)
2098 buffer = malloc(image.sections[i].size);
2101 command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2105 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2110 if ((retval = target_write_buffer(target, image.sections[i].base_address, buf_cnt, buffer)) != ERROR_OK)
2115 image_size += buf_cnt;
2116 command_print(cmd_ctx, "%u byte written at address 0x%8.8x", buf_cnt, image.sections[i].base_address);
2121 duration_stop_measure(&duration, &duration_text);
2122 if (retval==ERROR_OK)
2124 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
2126 free(duration_text);
2128 image_close(&image);
2134 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2141 int retval=ERROR_OK;
2143 duration_t duration;
2144 char *duration_text;
2146 target_t *target = get_current_target(cmd_ctx);
2150 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2154 address = strtoul(args[1], NULL, 0);
2155 size = strtoul(args[2], NULL, 0);
2157 if ((address & 3) || (size & 3))
2159 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
2163 if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2168 duration_start_measure(&duration);
2173 u32 this_run_size = (size > 560) ? 560 : size;
2175 retval = target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
2176 if (retval != ERROR_OK)
2181 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2182 if (retval != ERROR_OK)
2187 size -= this_run_size;
2188 address += this_run_size;
2191 fileio_close(&fileio);
2193 duration_stop_measure(&duration, &duration_text);
2194 if (retval==ERROR_OK)
2196 command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
2198 free(duration_text);
2203 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2211 u32 mem_checksum = 0;
2215 duration_t duration;
2216 char *duration_text;
2218 target_t *target = get_current_target(cmd_ctx);
2222 return ERROR_COMMAND_SYNTAX_ERROR;
2227 LOG_ERROR("no target selected");
2231 duration_start_measure(&duration);
2235 image.base_address_set = 1;
2236 image.base_address = strtoul(args[1], NULL, 0);
2240 image.base_address_set = 0;
2241 image.base_address = 0x0;
2244 image.start_address_set = 0;
2246 if ((retval=image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2253 for (i = 0; i < image.num_sections; i++)
2255 buffer = malloc(image.sections[i].size);
2258 command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2261 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2267 /* calculate checksum of image */
2268 image_calculate_checksum( buffer, buf_cnt, &checksum );
2270 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2271 if( retval != ERROR_OK )
2277 if( checksum != mem_checksum )
2279 /* failed crc checksum, fall back to a binary compare */
2282 command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2284 data = (u8*)malloc(buf_cnt);
2286 /* Can we use 32bit word accesses? */
2288 int count = buf_cnt;
2289 if ((count % 4) == 0)
2294 retval = target->type->read_memory(target, image.sections[i].base_address, size, count, data);
2295 if (retval == ERROR_OK)
2298 for (t = 0; t < buf_cnt; t++)
2300 if (data[t] != buffer[t])
2302 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]);
2315 image_size += buf_cnt;
2318 duration_stop_measure(&duration, &duration_text);
2319 if (retval==ERROR_OK)
2321 command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2323 free(duration_text);
2325 image_close(&image);
2330 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2333 target_t *target = get_current_target(cmd_ctx);
2337 breakpoint_t *breakpoint = target->breakpoints;
2341 if (breakpoint->type == BKPT_SOFT)
2343 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
2344 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
2349 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
2351 breakpoint = breakpoint->next;
2359 length = strtoul(args[1], NULL, 0);
2362 if (strcmp(args[2], "hw") == 0)
2365 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
2367 LOG_ERROR("Failure setting breakpoints");
2371 command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
2376 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2382 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2384 target_t *target = get_current_target(cmd_ctx);
2387 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2392 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2394 target_t *target = get_current_target(cmd_ctx);
2399 watchpoint_t *watchpoint = target->watchpoints;
2403 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);
2404 watchpoint = watchpoint->next;
2409 enum watchpoint_rw type = WPT_ACCESS;
2410 u32 data_value = 0x0;
2411 u32 data_mask = 0xffffffff;
2427 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2433 data_value = strtoul(args[3], NULL, 0);
2437 data_mask = strtoul(args[4], NULL, 0);
2440 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2441 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2443 LOG_ERROR("Failure setting breakpoints");
2448 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2454 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2456 target_t *target = get_current_target(cmd_ctx);
2459 watchpoint_remove(target, strtoul(args[0], NULL, 0));
2464 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
2467 target_t *target = get_current_target(cmd_ctx);
2473 return ERROR_COMMAND_SYNTAX_ERROR;
2475 va = strtoul(args[0], NULL, 0);
2477 retval = target->type->virt2phys(target, va, &pa);
2478 if (retval == ERROR_OK)
2480 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2484 /* lower levels will have logged a detailed error which is
2485 * forwarded to telnet/GDB session.
2490 static void writeLong(FILE *f, int l)
2495 char c=(l>>(i*8))&0xff;
2496 fwrite(&c, 1, 1, f);
2500 static void writeString(FILE *f, char *s)
2502 fwrite(s, 1, strlen(s), f);
2507 // Dump a gmon.out histogram file.
2508 static void writeGmon(u32 *samples, int sampleNum, char *filename)
2511 FILE *f=fopen(filename, "w");
2514 fwrite("gmon", 1, 4, f);
2515 writeLong(f, 0x00000001); // Version
2516 writeLong(f, 0); // padding
2517 writeLong(f, 0); // padding
2518 writeLong(f, 0); // padding
2520 fwrite("", 1, 1, f); // GMON_TAG_TIME_HIST
2522 // figure out bucket size
2525 for (i=0; i<sampleNum; i++)
2537 int addressSpace=(max-min+1);
2539 static int const maxBuckets=256*1024; // maximum buckets.
2540 int length=addressSpace;
2541 if (length > maxBuckets)
2545 int *buckets=malloc(sizeof(int)*length);
2551 memset(buckets, 0, sizeof(int)*length);
2552 for (i=0; i<sampleNum;i++)
2554 u32 address=samples[i];
2555 long long a=address-min;
2556 long long b=length-1;
2557 long long c=addressSpace-1;
2558 int index=(a*b)/c; // danger!!!! int32 overflows
2562 // append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr))
2563 writeLong(f, min); // low_pc
2564 writeLong(f, max); // high_pc
2565 writeLong(f, length); // # of samples
2566 writeLong(f, 64000000); // 64MHz
2567 writeString(f, "seconds");
2568 for (i=0; i<(15-strlen("seconds")); i++)
2570 fwrite("", 1, 1, f); // padding
2572 writeString(f, "s");
2574 // append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size)
2576 char *data=malloc(2*length);
2579 for (i=0; i<length;i++)
2588 data[i*2+1]=(val>>8)&0xff;
2591 fwrite(data, 1, length*2, f);
2601 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
2602 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2604 target_t *target = get_current_target(cmd_ctx);
2605 struct timeval timeout, now;
2607 gettimeofday(&timeout, NULL);
2610 return ERROR_COMMAND_SYNTAX_ERROR;
2613 timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
2619 command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
2621 static const int maxSample=10000;
2622 u32 *samples=malloc(sizeof(u32)*maxSample);
2627 int retval=ERROR_OK;
2628 // hopefully it is safe to cache! We want to stop/restart as quickly as possible.
2629 reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
2633 target_poll(target);
2634 if (target->state == TARGET_HALTED)
2636 u32 t=*((u32 *)reg->value);
2637 samples[numSamples++]=t;
2638 retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2639 target_poll(target);
2640 usleep(10*1000); // sleep 10ms, i.e. <100 samples/second.
2641 } else if (target->state == TARGET_RUNNING)
2643 // We want to quickly sample the PC.
2644 target_halt(target);
2647 command_print(cmd_ctx, "Target not halted or running");
2651 if (retval!=ERROR_OK)
2656 gettimeofday(&now, NULL);
2657 if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
2659 command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
2660 target_poll(target);
2661 if (target->state == TARGET_HALTED)
2663 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2665 target_poll(target);
2666 writeGmon(samples, numSamples, args[1]);
2667 command_print(cmd_ctx, "Wrote %s", args[1]);