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 if ((jtag_reset_config & RESET_SRST_PULLS_TRST)==0)
230 reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
231 u32 t=*((u32 *)reg->value);
234 LOG_ERROR("PC was not 0. Does this target does target need srst_pulls_trst?");
238 target_unregister_event_callback(target_init_handler, priv);
240 script = open_file_from_path(target->reset_script, "r");
243 LOG_ERROR("couldn't open script file %s", target->reset_script);
247 LOG_INFO("executing reset script '%s'", target->reset_script);
248 command_run_file(cmd_ctx, script, COMMAND_EXEC);
251 jtag_execute_queue();
257 int target_run_and_halt_handler(void *priv)
259 target_t *target = priv;
266 int target_poll(struct target_s *target)
268 /* We can't poll until after examine */
269 if (!target->type->examined)
271 /* Fail silently lest we pollute the log */
274 return target->type->poll(target);
277 int target_halt(struct target_s *target)
279 /* We can't poll until after examine */
280 if (!target->type->examined)
282 LOG_ERROR("Target not examined yet");
285 return target->type->halt(target);
288 int target_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution)
290 /* We can't poll until after examine */
291 if (!target->type->examined)
293 LOG_ERROR("Target not examined yet");
296 return target->type->resume(target, current, address, handle_breakpoints, debug_execution);
300 int target_process_reset(struct command_context_s *cmd_ctx)
302 int retval = ERROR_OK;
304 struct timeval timeout, now;
306 jtag->speed(jtag_speed);
308 if ((retval = jtag_init_reset(cmd_ctx)) != ERROR_OK)
311 /* First time this is executed after launching OpenOCD, it will read out
312 * the type of CPU, etc. and init Embedded ICE registers in host
315 * It will also set up ICE registers in the target.
317 * However, if we assert TRST later, we need to set up the registers again.
319 * For the "reset halt/init" case we must only set up the registers here.
321 if ((retval = target_examine(cmd_ctx)) != ERROR_OK)
324 /* prepare reset_halt where necessary */
328 if (jtag_reset_config & RESET_SRST_PULLS_TRST)
330 switch (target->reset_mode)
333 command_print(cmd_ctx, "nSRST pulls nTRST, falling back to \"reset run_and_halt\"");
334 target->reset_mode = RESET_RUN_AND_HALT;
337 command_print(cmd_ctx, "nSRST pulls nTRST, falling back to \"reset run_and_init\"");
338 target->reset_mode = RESET_RUN_AND_INIT;
344 target = target->next;
350 /* we have no idea what state the target is in, so we
351 * have to drop working areas
353 target_free_all_working_areas_restore(target, 0);
354 target->type->assert_reset(target);
355 target = target->next;
357 if ((retval = jtag_execute_queue()) != ERROR_OK)
359 LOG_WARNING("JTAG communication failed asserting reset.");
363 /* request target halt if necessary, and schedule further action */
367 switch (target->reset_mode)
370 /* nothing to do if target just wants to be run */
372 case RESET_RUN_AND_HALT:
374 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
376 case RESET_RUN_AND_INIT:
378 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
379 target_register_event_callback(target_init_handler, cmd_ctx);
386 target_register_event_callback(target_init_handler, cmd_ctx);
389 LOG_ERROR("BUG: unknown target->reset_mode");
391 target = target->next;
394 if ((retval = jtag_execute_queue()) != ERROR_OK)
396 LOG_WARNING("JTAG communication failed while reset was asserted. Consider using srst_only for reset_config.");
403 target->type->deassert_reset(target);
404 target = target->next;
407 if ((retval = jtag_execute_queue()) != ERROR_OK)
409 LOG_WARNING("JTAG communication failed while deasserting reset.");
413 if (jtag_reset_config & RESET_SRST_PULLS_TRST)
415 /* If TRST was asserted we need to set up registers again */
416 if ((retval = target_examine(cmd_ctx)) != ERROR_OK)
421 LOG_DEBUG("Waiting for halted stated as approperiate");
423 /* Wait for reset to complete, maximum 5 seconds. */
424 gettimeofday(&timeout, NULL);
425 timeval_add_time(&timeout, 5, 0);
428 gettimeofday(&now, NULL);
430 target_call_timer_callbacks_now();
435 LOG_DEBUG("Polling target");
437 if ((target->reset_mode == RESET_RUN_AND_INIT) ||
438 (target->reset_mode == RESET_RUN_AND_HALT) ||
439 (target->reset_mode == RESET_HALT) ||
440 (target->reset_mode == RESET_INIT))
442 if (target->state != TARGET_HALTED)
444 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
446 LOG_USER("Timed out waiting for halt after reset");
449 /* this will send alive messages on e.g. GDB remote protocol. */
451 LOG_USER_N("%s", ""); /* avoid warning about zero length formatting message*/
455 target = target->next;
457 /* All targets we're waiting for are halted */
465 /* We want any events to be processed before the prompt */
466 target_call_timer_callbacks_now();
468 /* if we timed out we need to unregister these handlers */
472 target_unregister_timer_callback(target_run_and_halt_handler, target);
473 target = target->next;
475 target_unregister_event_callback(target_init_handler, cmd_ctx);
478 jtag->speed(jtag_speed_post_reset);
483 static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
489 static int default_mmu(struct target_s *target, int *enabled)
495 static int default_examine(struct command_context_s *cmd_ctx, struct target_s *target)
497 target->type->examined = 1;
502 /* Targets that correctly implement init+examine, i.e.
503 * no communication with target during init:
507 int target_examine(struct command_context_s *cmd_ctx)
509 int retval = ERROR_OK;
510 target_t *target = targets;
513 if ((retval = target->type->examine(cmd_ctx, target))!=ERROR_OK)
515 target = target->next;
520 static int target_write_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
522 if (!target->type->examined)
524 LOG_ERROR("Target not examined yet");
527 return target->type->write_memory_imp(target, address, size, count, buffer);
530 static int target_read_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
532 if (!target->type->examined)
534 LOG_ERROR("Target not examined yet");
537 return target->type->read_memory_imp(target, address, size, count, buffer);
540 static int target_soft_reset_halt_imp(struct target_s *target)
542 if (!target->type->examined)
544 LOG_ERROR("Target not examined yet");
547 return target->type->soft_reset_halt_imp(target);
550 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)
552 if (!target->type->examined)
554 LOG_ERROR("Target not examined yet");
557 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);
560 int target_init(struct command_context_s *cmd_ctx)
562 target_t *target = targets;
566 target->type->examined = 0;
567 if (target->type->examine == NULL)
569 target->type->examine = default_examine;
572 if (target->type->init_target(cmd_ctx, target) != ERROR_OK)
574 LOG_ERROR("target '%s' init failed", target->type->name);
578 /* Set up default functions if none are provided by target */
579 if (target->type->virt2phys == NULL)
581 target->type->virt2phys = default_virt2phys;
583 target->type->virt2phys = default_virt2phys;
584 /* a non-invasive way(in terms of patches) to add some code that
585 * runs before the type->write/read_memory implementation
587 target->type->write_memory_imp = target->type->write_memory;
588 target->type->write_memory = target_write_memory_imp;
589 target->type->read_memory_imp = target->type->read_memory;
590 target->type->read_memory = target_read_memory_imp;
591 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
592 target->type->soft_reset_halt = target_soft_reset_halt_imp;
593 target->type->run_algorithm_imp = target->type->run_algorithm;
594 target->type->run_algorithm = target_run_algorithm_imp;
597 if (target->type->mmu == NULL)
599 target->type->mmu = default_mmu;
601 target = target->next;
606 target_register_user_commands(cmd_ctx);
607 target_register_timer_callback(handle_target, 100, 1, NULL);
613 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
615 target_event_callback_t **callbacks_p = &target_event_callbacks;
617 if (callback == NULL)
619 return ERROR_INVALID_ARGUMENTS;
624 while ((*callbacks_p)->next)
625 callbacks_p = &((*callbacks_p)->next);
626 callbacks_p = &((*callbacks_p)->next);
629 (*callbacks_p) = malloc(sizeof(target_event_callback_t));
630 (*callbacks_p)->callback = callback;
631 (*callbacks_p)->priv = priv;
632 (*callbacks_p)->next = NULL;
637 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
639 target_timer_callback_t **callbacks_p = &target_timer_callbacks;
642 if (callback == NULL)
644 return ERROR_INVALID_ARGUMENTS;
649 while ((*callbacks_p)->next)
650 callbacks_p = &((*callbacks_p)->next);
651 callbacks_p = &((*callbacks_p)->next);
654 (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
655 (*callbacks_p)->callback = callback;
656 (*callbacks_p)->periodic = periodic;
657 (*callbacks_p)->time_ms = time_ms;
659 gettimeofday(&now, NULL);
660 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
661 time_ms -= (time_ms % 1000);
662 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
663 if ((*callbacks_p)->when.tv_usec > 1000000)
665 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
666 (*callbacks_p)->when.tv_sec += 1;
669 (*callbacks_p)->priv = priv;
670 (*callbacks_p)->next = NULL;
675 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
677 target_event_callback_t **p = &target_event_callbacks;
678 target_event_callback_t *c = target_event_callbacks;
680 if (callback == NULL)
682 return ERROR_INVALID_ARGUMENTS;
687 target_event_callback_t *next = c->next;
688 if ((c->callback == callback) && (c->priv == priv))
702 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
704 target_timer_callback_t **p = &target_timer_callbacks;
705 target_timer_callback_t *c = target_timer_callbacks;
707 if (callback == NULL)
709 return ERROR_INVALID_ARGUMENTS;
714 target_timer_callback_t *next = c->next;
715 if ((c->callback == callback) && (c->priv == priv))
729 int target_call_event_callbacks(target_t *target, enum target_event event)
731 target_event_callback_t *callback = target_event_callbacks;
732 target_event_callback_t *next_callback;
734 LOG_DEBUG("target event %i", event);
738 next_callback = callback->next;
739 callback->callback(target, event, callback->priv);
740 callback = next_callback;
746 static int target_call_timer_callbacks_check_time(int checktime)
748 target_timer_callback_t *callback = target_timer_callbacks;
749 target_timer_callback_t *next_callback;
752 gettimeofday(&now, NULL);
756 next_callback = callback->next;
758 if ((!checktime&&callback->periodic)||
759 (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
760 || (now.tv_sec > callback->when.tv_sec)))
762 if(callback->callback != NULL)
764 callback->callback(callback->priv);
765 if (callback->periodic)
767 int time_ms = callback->time_ms;
768 callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
769 time_ms -= (time_ms % 1000);
770 callback->when.tv_sec = now.tv_sec + time_ms / 1000;
771 if (callback->when.tv_usec > 1000000)
773 callback->when.tv_usec = callback->when.tv_usec - 1000000;
774 callback->when.tv_sec += 1;
778 target_unregister_timer_callback(callback->callback, callback->priv);
782 callback = next_callback;
788 int target_call_timer_callbacks()
790 return target_call_timer_callbacks_check_time(1);
793 /* invoke periodic callbacks immediately */
794 int target_call_timer_callbacks_now()
796 return target_call_timer_callbacks(0);
800 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
802 working_area_t *c = target->working_areas;
803 working_area_t *new_wa = NULL;
805 /* Reevaluate working area address based on MMU state*/
806 if (target->working_areas == NULL)
810 retval = target->type->mmu(target, &enabled);
811 if (retval != ERROR_OK)
817 target->working_area = target->working_area_virt;
821 target->working_area = target->working_area_phys;
825 /* only allocate multiples of 4 byte */
828 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
829 size = CEIL(size, 4);
832 /* see if there's already a matching working area */
835 if ((c->free) && (c->size == size))
843 /* if not, allocate a new one */
846 working_area_t **p = &target->working_areas;
847 u32 first_free = target->working_area;
848 u32 free_size = target->working_area_size;
850 LOG_DEBUG("allocating new working area");
852 c = target->working_areas;
855 first_free += c->size;
856 free_size -= c->size;
861 if (free_size < size)
863 LOG_WARNING("not enough working area available(requested %d, free %d)", size, free_size);
864 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
867 new_wa = malloc(sizeof(working_area_t));
870 new_wa->address = first_free;
872 if (target->backup_working_area)
874 new_wa->backup = malloc(new_wa->size);
875 target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup);
879 new_wa->backup = NULL;
882 /* put new entry in list */
886 /* mark as used, and return the new (reused) area */
896 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
901 if (restore&&target->backup_working_area)
902 target->type->write_memory(target, area->address, 4, area->size / 4, area->backup);
906 /* mark user pointer invalid */
913 int target_free_working_area(struct target_s *target, working_area_t *area)
915 return target_free_working_area_restore(target, area, 1);
918 int target_free_all_working_areas_restore(struct target_s *target, int restore)
920 working_area_t *c = target->working_areas;
924 working_area_t *next = c->next;
925 target_free_working_area_restore(target, c, restore);
935 target->working_areas = NULL;
940 int target_free_all_working_areas(struct target_s *target)
942 return target_free_all_working_areas_restore(target, 1);
945 int target_register_commands(struct command_context_s *cmd_ctx)
947 register_command(cmd_ctx, NULL, "target", handle_target_command, COMMAND_CONFIG, "target <cpu> [reset_init default - DEPRECATED] <chainpos> <endianness> <variant> [cpu type specifc args]");
948 register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL);
949 register_command(cmd_ctx, NULL, "target_script", handle_target_script_command, COMMAND_CONFIG, NULL);
950 register_command(cmd_ctx, NULL, "run_and_halt_time", handle_run_and_halt_time_command, COMMAND_CONFIG, "<target> <run time ms>");
951 register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_ANY, "working_area <target#> <address> <size> <'backup'|'nobackup'> [virtual address]");
952 register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "virt2phys <virtual address>");
953 register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "PRELIMINARY! - profile <seconds> <gmon.out>");
958 int target_arch_state(struct target_s *target)
963 LOG_USER("No target has been configured");
967 LOG_USER("target state: %s", target_state_strings[target->state]);
969 if (target->state!=TARGET_HALTED)
972 retval=target->type->arch_state(target);
976 /* Single aligned words are guaranteed to use 16 or 32 bit access
977 * mode respectively, otherwise data is handled as quickly as
980 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
983 if (!target->type->examined)
985 LOG_ERROR("Target not examined yet");
989 LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
991 if (((address % 2) == 0) && (size == 2))
993 return target->type->write_memory(target, address, 2, 1, buffer);
996 /* handle unaligned head bytes */
999 int unaligned = 4 - (address % 4);
1001 if (unaligned > size)
1004 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1007 buffer += unaligned;
1008 address += unaligned;
1012 /* handle aligned words */
1015 int aligned = size - (size % 4);
1017 /* use bulk writes above a certain limit. This may have to be changed */
1020 if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1025 if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1034 /* handle tail writes of less than 4 bytes */
1037 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1045 /* Single aligned words are guaranteed to use 16 or 32 bit access
1046 * mode respectively, otherwise data is handled as quickly as
1049 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
1052 if (!target->type->examined)
1054 LOG_ERROR("Target not examined yet");
1058 LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
1060 if (((address % 2) == 0) && (size == 2))
1062 return target->type->read_memory(target, address, 2, 1, buffer);
1065 /* handle unaligned head bytes */
1068 int unaligned = 4 - (address % 4);
1070 if (unaligned > size)
1073 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1076 buffer += unaligned;
1077 address += unaligned;
1081 /* handle aligned words */
1084 int aligned = size - (size % 4);
1086 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1094 /* handle tail writes of less than 4 bytes */
1097 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1104 int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc)
1110 if (!target->type->examined)
1112 LOG_ERROR("Target not examined yet");
1116 if ((retval = target->type->checksum_memory(target, address,
1117 size, &checksum)) == ERROR_TARGET_RESOURCE_NOT_AVAILABLE)
1119 buffer = malloc(size);
1122 LOG_ERROR("error allocating buffer for section (%d bytes)", size);
1123 return ERROR_INVALID_ARGUMENTS;
1125 retval = target_read_buffer(target, address, size, buffer);
1126 if (retval != ERROR_OK)
1132 /* convert to target endianess */
1133 for (i = 0; i < (size/sizeof(u32)); i++)
1136 target_data = target_buffer_get_u32(target, &buffer[i*sizeof(u32)]);
1137 target_buffer_set_u32(target, &buffer[i*sizeof(u32)], target_data);
1140 retval = image_calculate_checksum( buffer, size, &checksum );
1149 int target_read_u32(struct target_s *target, u32 address, u32 *value)
1152 if (!target->type->examined)
1154 LOG_ERROR("Target not examined yet");
1158 int retval = target->type->read_memory(target, address, 4, 1, value_buf);
1160 if (retval == ERROR_OK)
1162 *value = target_buffer_get_u32(target, value_buf);
1163 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
1168 LOG_DEBUG("address: 0x%8.8x failed", address);
1174 int target_read_u16(struct target_s *target, u32 address, u16 *value)
1177 if (!target->type->examined)
1179 LOG_ERROR("Target not examined yet");
1183 int retval = target->type->read_memory(target, address, 2, 1, value_buf);
1185 if (retval == ERROR_OK)
1187 *value = target_buffer_get_u16(target, value_buf);
1188 LOG_DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
1193 LOG_DEBUG("address: 0x%8.8x failed", address);
1199 int target_read_u8(struct target_s *target, u32 address, u8 *value)
1201 int retval = target->type->read_memory(target, address, 1, 1, value);
1202 if (!target->type->examined)
1204 LOG_ERROR("Target not examined yet");
1208 if (retval == ERROR_OK)
1210 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
1215 LOG_DEBUG("address: 0x%8.8x failed", address);
1221 int target_write_u32(struct target_s *target, u32 address, u32 value)
1225 if (!target->type->examined)
1227 LOG_ERROR("Target not examined yet");
1231 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1233 target_buffer_set_u32(target, value_buf, value);
1234 if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1236 LOG_DEBUG("failed: %i", retval);
1242 int target_write_u16(struct target_s *target, u32 address, u16 value)
1246 if (!target->type->examined)
1248 LOG_ERROR("Target not examined yet");
1252 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1254 target_buffer_set_u16(target, value_buf, value);
1255 if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1257 LOG_DEBUG("failed: %i", retval);
1263 int target_write_u8(struct target_s *target, u32 address, u8 value)
1266 if (!target->type->examined)
1268 LOG_ERROR("Target not examined yet");
1272 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
1274 if ((retval = target->type->read_memory(target, address, 1, 1, &value)) != ERROR_OK)
1276 LOG_DEBUG("failed: %i", retval);
1282 int target_register_user_commands(struct command_context_s *cmd_ctx)
1284 register_command(cmd_ctx, NULL, "reg", handle_reg_command, COMMAND_EXEC, NULL);
1285 register_command(cmd_ctx, NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1286 register_command(cmd_ctx, NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1287 register_command(cmd_ctx, NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1288 register_command(cmd_ctx, NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1289 register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1290 register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init|run_and_halt|run_and_init]");
1291 register_command(cmd_ctx, NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1293 register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
1294 register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
1295 register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
1297 register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value> [count]");
1298 register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value> [count]");
1299 register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value> [count]");
1301 register_command(cmd_ctx, NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
1302 register_command(cmd_ctx, NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
1303 register_command(cmd_ctx, NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
1304 register_command(cmd_ctx, NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
1306 register_command(cmd_ctx, NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex'|'elf'|'s19']");
1307 register_command(cmd_ctx, NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1308 register_command(cmd_ctx, NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1309 register_command(cmd_ctx, NULL, "load_binary", handle_load_image_command, COMMAND_EXEC, "[DEPRECATED] load_binary <file> <address>");
1310 register_command(cmd_ctx, NULL, "dump_binary", handle_dump_image_command, COMMAND_EXEC, "[DEPRECATED] dump_binary <file> <address> <size>");
1312 target_request_register_commands(cmd_ctx);
1313 trace_register_commands(cmd_ctx);
1318 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1320 target_t *target = targets;
1325 int num = strtoul(args[0], NULL, 0);
1330 target = target->next;
1334 cmd_ctx->current_target = num;
1336 command_print(cmd_ctx, "%i is out of bounds, only %i targets are configured", num, count);
1343 command_print(cmd_ctx, "%i: %s (%s), state: %s", count++, target->type->name, target_endianess_strings[target->endianness], target_state_strings[target->state]);
1344 target = target->next;
1350 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1357 return ERROR_COMMAND_SYNTAX_ERROR;
1360 /* search for the specified target */
1361 if (args[0] && (args[0][0] != 0))
1363 for (i = 0; target_types[i]; i++)
1365 if (strcmp(args[0], target_types[i]->name) == 0)
1367 target_t **last_target_p = &targets;
1369 /* register target specific commands */
1370 if (target_types[i]->register_commands(cmd_ctx) != ERROR_OK)
1372 LOG_ERROR("couldn't register '%s' commands", args[0]);
1378 while ((*last_target_p)->next)
1379 last_target_p = &((*last_target_p)->next);
1380 last_target_p = &((*last_target_p)->next);
1383 *last_target_p = malloc(sizeof(target_t));
1385 (*last_target_p)->type = target_types[i];
1387 if (strcmp(args[1], "big") == 0)
1388 (*last_target_p)->endianness = TARGET_BIG_ENDIAN;
1389 else if (strcmp(args[1], "little") == 0)
1390 (*last_target_p)->endianness = TARGET_LITTLE_ENDIAN;
1393 LOG_ERROR("endianness must be either 'little' or 'big', not '%s'", args[1]);
1394 return ERROR_COMMAND_SYNTAX_ERROR;
1397 /* what to do on a target reset */
1398 (*last_target_p)->reset_mode = RESET_INIT; /* default */
1399 if (strcmp(args[2], "reset_halt") == 0)
1400 (*last_target_p)->reset_mode = RESET_HALT;
1401 else if (strcmp(args[2], "reset_run") == 0)
1402 (*last_target_p)->reset_mode = RESET_RUN;
1403 else if (strcmp(args[2], "reset_init") == 0)
1404 (*last_target_p)->reset_mode = RESET_INIT;
1405 else if (strcmp(args[2], "run_and_halt") == 0)
1406 (*last_target_p)->reset_mode = RESET_RUN_AND_HALT;
1407 else if (strcmp(args[2], "run_and_init") == 0)
1408 (*last_target_p)->reset_mode = RESET_RUN_AND_INIT;
1411 /* Kludge! we want to make this reset arg optional while remaining compatible! */
1415 (*last_target_p)->run_and_halt_time = 1000; /* default 1s */
1417 (*last_target_p)->reset_script = NULL;
1418 (*last_target_p)->post_halt_script = NULL;
1419 (*last_target_p)->pre_resume_script = NULL;
1420 (*last_target_p)->gdb_program_script = NULL;
1422 (*last_target_p)->working_area = 0x0;
1423 (*last_target_p)->working_area_size = 0x0;
1424 (*last_target_p)->working_areas = NULL;
1425 (*last_target_p)->backup_working_area = 0;
1427 (*last_target_p)->state = TARGET_UNKNOWN;
1428 (*last_target_p)->debug_reason = DBG_REASON_UNDEFINED;
1429 (*last_target_p)->reg_cache = NULL;
1430 (*last_target_p)->breakpoints = NULL;
1431 (*last_target_p)->watchpoints = NULL;
1432 (*last_target_p)->next = NULL;
1433 (*last_target_p)->arch_info = NULL;
1435 /* initialize trace information */
1436 (*last_target_p)->trace_info = malloc(sizeof(trace_t));
1437 (*last_target_p)->trace_info->num_trace_points = 0;
1438 (*last_target_p)->trace_info->trace_points_size = 0;
1439 (*last_target_p)->trace_info->trace_points = NULL;
1440 (*last_target_p)->trace_info->trace_history_size = 0;
1441 (*last_target_p)->trace_info->trace_history = NULL;
1442 (*last_target_p)->trace_info->trace_history_pos = 0;
1443 (*last_target_p)->trace_info->trace_history_overflowed = 0;
1445 (*last_target_p)->dbgmsg = NULL;
1446 (*last_target_p)->dbg_msg_enabled = 0;
1448 (*last_target_p)->type->target_command(cmd_ctx, cmd, args, argc, *last_target_p);
1456 /* no matching target found */
1459 LOG_ERROR("target '%s' not found", args[0]);
1460 return ERROR_COMMAND_SYNTAX_ERROR;
1466 /* usage: target_script <target#> <event> <script_file> */
1467 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1469 target_t *target = NULL;
1473 LOG_ERROR("incomplete target_script command");
1474 return ERROR_COMMAND_SYNTAX_ERROR;
1477 target = get_target_by_num(strtoul(args[0], NULL, 0));
1481 return ERROR_COMMAND_SYNTAX_ERROR;
1484 if (strcmp(args[1], "reset") == 0)
1486 if (target->reset_script)
1487 free(target->reset_script);
1488 target->reset_script = strdup(args[2]);
1490 else if (strcmp(args[1], "post_halt") == 0)
1492 if (target->post_halt_script)
1493 free(target->post_halt_script);
1494 target->post_halt_script = strdup(args[2]);
1496 else if (strcmp(args[1], "pre_resume") == 0)
1498 if (target->pre_resume_script)
1499 free(target->pre_resume_script);
1500 target->pre_resume_script = strdup(args[2]);
1502 else if (strcmp(args[1], "gdb_program_config") == 0)
1504 if (target->gdb_program_script)
1505 free(target->gdb_program_script);
1506 target->gdb_program_script = strdup(args[2]);
1510 LOG_ERROR("unknown event type: '%s", args[1]);
1511 return ERROR_COMMAND_SYNTAX_ERROR;
1517 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1519 target_t *target = NULL;
1523 return ERROR_COMMAND_SYNTAX_ERROR;
1526 target = get_target_by_num(strtoul(args[0], NULL, 0));
1529 return ERROR_COMMAND_SYNTAX_ERROR;
1532 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1537 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1539 target_t *target = NULL;
1541 if ((argc < 4) || (argc > 5))
1543 return ERROR_COMMAND_SYNTAX_ERROR;
1546 target = get_target_by_num(strtoul(args[0], NULL, 0));
1549 return ERROR_COMMAND_SYNTAX_ERROR;
1551 target_free_all_working_areas(target);
1553 target->working_area_phys = target->working_area_virt = strtoul(args[1], NULL, 0);
1556 target->working_area_virt = strtoul(args[4], NULL, 0);
1558 target->working_area_size = strtoul(args[2], NULL, 0);
1560 if (strcmp(args[3], "backup") == 0)
1562 target->backup_working_area = 1;
1564 else if (strcmp(args[3], "nobackup") == 0)
1566 target->backup_working_area = 0;
1570 LOG_ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
1571 return ERROR_COMMAND_SYNTAX_ERROR;
1578 /* process target state changes */
1579 int handle_target(void *priv)
1581 target_t *target = targets;
1585 if (target_continous_poll)
1587 /* polling may fail silently until the target has been examined */
1588 target_poll(target);
1591 target = target->next;
1597 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1606 target = get_current_target(cmd_ctx);
1608 /* list all available registers for the current target */
1611 reg_cache_t *cache = target->reg_cache;
1617 for (i = 0; i < cache->num_regs; i++)
1619 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1620 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);
1623 cache = cache->next;
1629 /* access a single register by its ordinal number */
1630 if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1632 int num = strtoul(args[0], NULL, 0);
1633 reg_cache_t *cache = target->reg_cache;
1639 for (i = 0; i < cache->num_regs; i++)
1643 reg = &cache->reg_list[i];
1649 cache = cache->next;
1654 command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1657 } else /* access a single register by its name */
1659 reg = register_get_by_name(target->reg_cache, args[0], 1);
1663 command_print(cmd_ctx, "register %s not found in current target", args[0]);
1668 /* display a register */
1669 if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1671 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1674 if (reg->valid == 0)
1676 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1677 if (arch_type == NULL)
1679 LOG_ERROR("BUG: encountered unregistered arch type");
1682 arch_type->get(reg);
1684 value = buf_to_str(reg->value, reg->size, 16);
1685 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1690 /* set register value */
1693 u8 *buf = malloc(CEIL(reg->size, 8));
1694 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1696 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1697 if (arch_type == NULL)
1699 LOG_ERROR("BUG: encountered unregistered arch type");
1703 arch_type->set(reg, buf);
1705 value = buf_to_str(reg->value, reg->size, 16);
1706 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1714 command_print(cmd_ctx, "usage: reg <#|name> [value]");
1719 static int wait_state(struct command_context_s *cmd_ctx, char *cmd, enum target_state state, int ms);
1721 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1723 target_t *target = get_current_target(cmd_ctx);
1727 target_poll(target);
1728 target_arch_state(target);
1732 if (strcmp(args[0], "on") == 0)
1734 target_continous_poll = 1;
1736 else if (strcmp(args[0], "off") == 0)
1738 target_continous_poll = 0;
1742 command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1750 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1758 ms = strtoul(args[0], &end, 0) * 1000;
1761 command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1766 return wait_state(cmd_ctx, cmd, TARGET_HALTED, ms);
1769 static void target_process_events(struct command_context_s *cmd_ctx)
1771 target_t *target = get_current_target(cmd_ctx);
1772 target_poll(target);
1773 target_call_timer_callbacks_now();
1776 static int wait_state(struct command_context_s *cmd_ctx, char *cmd, enum target_state state, int ms)
1779 struct timeval timeout, now;
1781 gettimeofday(&timeout, NULL);
1782 timeval_add_time(&timeout, 0, ms * 1000);
1784 target_t *target = get_current_target(cmd_ctx);
1787 if ((retval=target_poll(target))!=ERROR_OK)
1789 target_call_timer_callbacks_now();
1790 if (target->state == state)
1797 command_print(cmd_ctx, "waiting for target %s...", target_state_strings[state]);
1800 gettimeofday(&now, NULL);
1801 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
1803 LOG_ERROR("timed out while waiting for target %s", target_state_strings[state]);
1811 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1814 target_t *target = get_current_target(cmd_ctx);
1818 if ((retval = target_halt(target)) != ERROR_OK)
1823 return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1827 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1829 target_t *target = get_current_target(cmd_ctx);
1831 LOG_USER("requesting target halt and executing a soft reset");
1833 target->type->soft_reset_halt(target);
1838 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1840 target_t *target = get_current_target(cmd_ctx);
1841 enum target_reset_mode reset_mode = target->reset_mode;
1842 enum target_reset_mode save = target->reset_mode;
1848 if (strcmp("run", args[0]) == 0)
1849 reset_mode = RESET_RUN;
1850 else if (strcmp("halt", args[0]) == 0)
1851 reset_mode = RESET_HALT;
1852 else if (strcmp("init", args[0]) == 0)
1853 reset_mode = RESET_INIT;
1854 else if (strcmp("run_and_halt", args[0]) == 0)
1856 reset_mode = RESET_RUN_AND_HALT;
1859 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1862 else if (strcmp("run_and_init", args[0]) == 0)
1864 reset_mode = RESET_RUN_AND_INIT;
1867 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1872 command_print(cmd_ctx, "usage: reset ['run', 'halt', 'init', 'run_and_halt', 'run_and_init]");
1877 /* temporarily modify mode of current reset target */
1878 target->reset_mode = reset_mode;
1880 /* reset *all* targets */
1881 target_process_reset(cmd_ctx);
1883 /* Restore default reset mode for this target */
1884 target->reset_mode = save;
1889 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1892 target_t *target = get_current_target(cmd_ctx);
1895 retval = target_resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1897 retval = target_resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1900 return ERROR_COMMAND_SYNTAX_ERROR;
1903 target_process_events(cmd_ctx);
1908 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1910 target_t *target = get_current_target(cmd_ctx);
1915 target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1918 target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1923 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1925 const int line_bytecnt = 32;
1938 target_t *target = get_current_target(cmd_ctx);
1944 count = strtoul(args[1], NULL, 0);
1946 address = strtoul(args[0], NULL, 0);
1952 size = 4; line_modulo = line_bytecnt / 4;
1955 size = 2; line_modulo = line_bytecnt / 2;
1958 size = 1; line_modulo = line_bytecnt / 1;
1964 buffer = calloc(count, size);
1965 retval = target->type->read_memory(target, address, size, count, buffer);
1966 if (retval == ERROR_OK)
1970 for (i = 0; i < count; i++)
1972 if (i%line_modulo == 0)
1973 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1978 output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1981 output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1984 output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1988 if ((i%line_modulo == line_modulo-1) || (i == count - 1))
1990 command_print(cmd_ctx, output);
1996 LOG_ERROR("Failure examining memory");
2004 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2011 target_t *target = get_current_target(cmd_ctx);
2014 if ((argc < 2) || (argc > 3))
2015 return ERROR_COMMAND_SYNTAX_ERROR;
2017 address = strtoul(args[0], NULL, 0);
2018 value = strtoul(args[1], NULL, 0);
2020 count = strtoul(args[2], NULL, 0);
2027 target_buffer_set_u32(target, value_buf, value);
2031 target_buffer_set_u16(target, value_buf, value);
2035 value_buf[0] = value;
2038 return ERROR_COMMAND_SYNTAX_ERROR;
2040 for (i=0; i<count; i++)
2046 retval = target->type->write_memory(target, address + i*wordsize, 4, 1, value_buf);
2049 retval = target->type->write_memory(target, address + i*wordsize, 2, 1, value_buf);
2052 retval = target->type->write_memory(target, address + i*wordsize, 1, 1, value_buf);
2057 if (retval!=ERROR_OK)
2067 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2077 duration_t duration;
2078 char *duration_text;
2080 target_t *target = get_current_target(cmd_ctx);
2084 command_print(cmd_ctx, "usage: load_image <filename> [address] [type]");
2088 /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
2091 image.base_address_set = 1;
2092 image.base_address = strtoul(args[1], NULL, 0);
2096 image.base_address_set = 0;
2099 image.start_address_set = 0;
2101 duration_start_measure(&duration);
2103 if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2110 for (i = 0; i < image.num_sections; i++)
2112 buffer = malloc(image.sections[i].size);
2115 command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2119 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2124 if ((retval = target_write_buffer(target, image.sections[i].base_address, buf_cnt, buffer)) != ERROR_OK)
2129 image_size += buf_cnt;
2130 command_print(cmd_ctx, "%u byte written at address 0x%8.8x", buf_cnt, image.sections[i].base_address);
2135 duration_stop_measure(&duration, &duration_text);
2136 if (retval==ERROR_OK)
2138 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
2140 free(duration_text);
2142 image_close(&image);
2148 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2155 int retval=ERROR_OK;
2157 duration_t duration;
2158 char *duration_text;
2160 target_t *target = get_current_target(cmd_ctx);
2164 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2168 address = strtoul(args[1], NULL, 0);
2169 size = strtoul(args[2], NULL, 0);
2171 if ((address & 3) || (size & 3))
2173 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
2177 if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2182 duration_start_measure(&duration);
2187 u32 this_run_size = (size > 560) ? 560 : size;
2189 retval = target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
2190 if (retval != ERROR_OK)
2195 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2196 if (retval != ERROR_OK)
2201 size -= this_run_size;
2202 address += this_run_size;
2205 fileio_close(&fileio);
2207 duration_stop_measure(&duration, &duration_text);
2208 if (retval==ERROR_OK)
2210 command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
2212 free(duration_text);
2217 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2225 u32 mem_checksum = 0;
2229 duration_t duration;
2230 char *duration_text;
2232 target_t *target = get_current_target(cmd_ctx);
2236 return ERROR_COMMAND_SYNTAX_ERROR;
2241 LOG_ERROR("no target selected");
2245 duration_start_measure(&duration);
2249 image.base_address_set = 1;
2250 image.base_address = strtoul(args[1], NULL, 0);
2254 image.base_address_set = 0;
2255 image.base_address = 0x0;
2258 image.start_address_set = 0;
2260 if ((retval=image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2267 for (i = 0; i < image.num_sections; i++)
2269 buffer = malloc(image.sections[i].size);
2272 command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2275 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2281 /* calculate checksum of image */
2282 image_calculate_checksum( buffer, buf_cnt, &checksum );
2284 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2285 if( retval != ERROR_OK )
2291 if( checksum != mem_checksum )
2293 /* failed crc checksum, fall back to a binary compare */
2296 command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2298 data = (u8*)malloc(buf_cnt);
2300 /* Can we use 32bit word accesses? */
2302 int count = buf_cnt;
2303 if ((count % 4) == 0)
2308 retval = target->type->read_memory(target, image.sections[i].base_address, size, count, data);
2309 if (retval == ERROR_OK)
2312 for (t = 0; t < buf_cnt; t++)
2314 if (data[t] != buffer[t])
2316 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]);
2329 image_size += buf_cnt;
2332 duration_stop_measure(&duration, &duration_text);
2333 if (retval==ERROR_OK)
2335 command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2337 free(duration_text);
2339 image_close(&image);
2344 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2347 target_t *target = get_current_target(cmd_ctx);
2351 breakpoint_t *breakpoint = target->breakpoints;
2355 if (breakpoint->type == BKPT_SOFT)
2357 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
2358 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
2363 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
2365 breakpoint = breakpoint->next;
2373 length = strtoul(args[1], NULL, 0);
2376 if (strcmp(args[2], "hw") == 0)
2379 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
2381 LOG_ERROR("Failure setting breakpoints");
2385 command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
2390 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2396 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2398 target_t *target = get_current_target(cmd_ctx);
2401 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2406 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2408 target_t *target = get_current_target(cmd_ctx);
2413 watchpoint_t *watchpoint = target->watchpoints;
2417 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);
2418 watchpoint = watchpoint->next;
2423 enum watchpoint_rw type = WPT_ACCESS;
2424 u32 data_value = 0x0;
2425 u32 data_mask = 0xffffffff;
2441 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2447 data_value = strtoul(args[3], NULL, 0);
2451 data_mask = strtoul(args[4], NULL, 0);
2454 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2455 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2457 LOG_ERROR("Failure setting breakpoints");
2462 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2468 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2470 target_t *target = get_current_target(cmd_ctx);
2473 watchpoint_remove(target, strtoul(args[0], NULL, 0));
2478 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
2481 target_t *target = get_current_target(cmd_ctx);
2487 return ERROR_COMMAND_SYNTAX_ERROR;
2489 va = strtoul(args[0], NULL, 0);
2491 retval = target->type->virt2phys(target, va, &pa);
2492 if (retval == ERROR_OK)
2494 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2498 /* lower levels will have logged a detailed error which is
2499 * forwarded to telnet/GDB session.
2504 static void writeLong(FILE *f, int l)
2509 char c=(l>>(i*8))&0xff;
2510 fwrite(&c, 1, 1, f);
2514 static void writeString(FILE *f, char *s)
2516 fwrite(s, 1, strlen(s), f);
2521 // Dump a gmon.out histogram file.
2522 static void writeGmon(u32 *samples, int sampleNum, char *filename)
2525 FILE *f=fopen(filename, "w");
2528 fwrite("gmon", 1, 4, f);
2529 writeLong(f, 0x00000001); // Version
2530 writeLong(f, 0); // padding
2531 writeLong(f, 0); // padding
2532 writeLong(f, 0); // padding
2534 fwrite("", 1, 1, f); // GMON_TAG_TIME_HIST
2536 // figure out bucket size
2539 for (i=0; i<sampleNum; i++)
2551 int addressSpace=(max-min+1);
2553 static int const maxBuckets=256*1024; // maximum buckets.
2554 int length=addressSpace;
2555 if (length > maxBuckets)
2559 int *buckets=malloc(sizeof(int)*length);
2565 memset(buckets, 0, sizeof(int)*length);
2566 for (i=0; i<sampleNum;i++)
2568 u32 address=samples[i];
2569 long long a=address-min;
2570 long long b=length-1;
2571 long long c=addressSpace-1;
2572 int index=(a*b)/c; // danger!!!! int32 overflows
2576 // append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr))
2577 writeLong(f, min); // low_pc
2578 writeLong(f, max); // high_pc
2579 writeLong(f, length); // # of samples
2580 writeLong(f, 64000000); // 64MHz
2581 writeString(f, "seconds");
2582 for (i=0; i<(15-strlen("seconds")); i++)
2584 fwrite("", 1, 1, f); // padding
2586 writeString(f, "s");
2588 // append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size)
2590 char *data=malloc(2*length);
2593 for (i=0; i<length;i++)
2602 data[i*2+1]=(val>>8)&0xff;
2605 fwrite(data, 1, length*2, f);
2615 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
2616 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2618 target_t *target = get_current_target(cmd_ctx);
2619 struct timeval timeout, now;
2621 gettimeofday(&timeout, NULL);
2624 return ERROR_COMMAND_SYNTAX_ERROR;
2627 timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
2633 command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
2635 static const int maxSample=10000;
2636 u32 *samples=malloc(sizeof(u32)*maxSample);
2641 int retval=ERROR_OK;
2642 // hopefully it is safe to cache! We want to stop/restart as quickly as possible.
2643 reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
2647 target_poll(target);
2648 if (target->state == TARGET_HALTED)
2650 u32 t=*((u32 *)reg->value);
2651 samples[numSamples++]=t;
2652 retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2653 target_poll(target);
2654 usleep(10*1000); // sleep 10ms, i.e. <100 samples/second.
2655 } else if (target->state == TARGET_RUNNING)
2657 // We want to quickly sample the PC.
2658 target_halt(target);
2661 command_print(cmd_ctx, "Target not halted or running");
2665 if (retval!=ERROR_OK)
2670 gettimeofday(&now, NULL);
2671 if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
2673 command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
2674 target_poll(target);
2675 if (target->state == TARGET_HALTED)
2677 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2679 target_poll(target);
2680 writeGmon(samples, numSamples, args[1]);
2681 command_print(cmd_ctx, "Wrote %s", args[1]);