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);
52 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
53 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
55 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
56 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
58 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
59 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
60 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
61 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
62 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
63 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
64 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
65 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
66 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
67 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
68 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
69 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
70 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
71 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
72 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
73 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
74 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
75 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc);
76 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
77 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
78 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
82 extern target_type_t arm7tdmi_target;
83 extern target_type_t arm720t_target;
84 extern target_type_t arm9tdmi_target;
85 extern target_type_t arm920t_target;
86 extern target_type_t arm966e_target;
87 extern target_type_t arm926ejs_target;
88 extern target_type_t feroceon_target;
89 extern target_type_t xscale_target;
90 extern target_type_t cortexm3_target;
91 extern target_type_t arm11_target;
93 target_type_t *target_types[] =
108 target_t *targets = NULL;
109 target_event_callback_t *target_event_callbacks = NULL;
110 target_timer_callback_t *target_timer_callbacks = NULL;
112 char *target_state_strings[] =
121 char *target_debug_reason_strings[] =
123 "debug request", "breakpoint", "watchpoint",
124 "watchpoint and breakpoint", "single step",
125 "target not halted", "undefined"
128 char *target_endianess_strings[] =
134 static int target_continous_poll = 1;
136 /* read a u32 from a buffer in target memory endianness */
137 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
139 if (target->endianness == TARGET_LITTLE_ENDIAN)
140 return le_to_h_u32(buffer);
142 return be_to_h_u32(buffer);
145 /* read a u16 from a buffer in target memory endianness */
146 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
148 if (target->endianness == TARGET_LITTLE_ENDIAN)
149 return le_to_h_u16(buffer);
151 return be_to_h_u16(buffer);
154 /* write a u32 to a buffer in target memory endianness */
155 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
157 if (target->endianness == TARGET_LITTLE_ENDIAN)
158 h_u32_to_le(buffer, value);
160 h_u32_to_be(buffer, value);
163 /* write a u16 to a buffer in target memory endianness */
164 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
166 if (target->endianness == TARGET_LITTLE_ENDIAN)
167 h_u16_to_le(buffer, value);
169 h_u16_to_be(buffer, value);
172 /* returns a pointer to the n-th configured target */
173 target_t* get_target_by_num(int num)
175 target_t *target = targets;
182 target = target->next;
189 int get_num_by_target(target_t *query_target)
191 target_t *target = targets;
196 if (target == query_target)
198 target = target->next;
205 target_t* get_current_target(command_context_t *cmd_ctx)
207 target_t *target = get_target_by_num(cmd_ctx->current_target);
211 LOG_ERROR("BUG: current_target out of bounds");
218 /* Process target initialization, when target entered debug out of reset
219 * the handler is unregistered at the end of this function, so it's only called once
221 int target_init_handler(struct target_s *target, enum target_event event, void *priv)
223 struct command_context_s *cmd_ctx = priv;
225 if (event == TARGET_EVENT_HALTED)
227 target_unregister_event_callback(target_init_handler, priv);
228 target_invoke_script(cmd_ctx, target, "post_reset");
229 jtag_execute_queue();
235 int target_run_and_halt_handler(void *priv)
237 target_t *target = priv;
244 int target_poll(struct target_s *target)
246 /* We can't poll until after examine */
247 if (!target->type->examined)
249 /* Fail silently lest we pollute the log */
252 return target->type->poll(target);
255 int target_halt(struct target_s *target)
257 /* We can't poll until after examine */
258 if (!target->type->examined)
260 LOG_ERROR("Target not examined yet");
263 return target->type->halt(target);
266 int target_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution)
270 /* We can't poll until after examine */
271 if (!target->type->examined)
273 LOG_ERROR("Target not examined yet");
277 /* note that resume *must* be asynchronous. The CPU can halt before we poll. The CPU can
278 * even halt at the current PC as a result of a software breakpoint being inserted by (a bug?)
281 if ((retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution)) != ERROR_OK)
287 int target_process_reset(struct command_context_s *cmd_ctx)
289 int retval = ERROR_OK;
291 struct timeval timeout, now;
293 jtag->speed(jtag_speed);
298 target_invoke_script(cmd_ctx, target, "pre_reset");
299 target = target->next;
302 if ((retval = jtag_init_reset(cmd_ctx)) != ERROR_OK)
305 /* First time this is executed after launching OpenOCD, it will read out
306 * the type of CPU, etc. and init Embedded ICE registers in host
309 * It will also set up ICE registers in the target.
311 * However, if we assert TRST later, we need to set up the registers again.
313 * For the "reset halt/init" case we must only set up the registers here.
315 if ((retval = target_examine(cmd_ctx)) != ERROR_OK)
318 /* prepare reset_halt where necessary */
322 if (jtag_reset_config & RESET_SRST_PULLS_TRST)
324 switch (target->reset_mode)
327 command_print(cmd_ctx, "nSRST pulls nTRST, falling back to \"reset run_and_halt\"");
328 target->reset_mode = RESET_RUN_AND_HALT;
331 command_print(cmd_ctx, "nSRST pulls nTRST, falling back to \"reset run_and_init\"");
332 target->reset_mode = RESET_RUN_AND_INIT;
338 target = target->next;
344 /* we have no idea what state the target is in, so we
345 * have to drop working areas
347 target_free_all_working_areas_restore(target, 0);
348 target->type->assert_reset(target);
349 target = target->next;
351 if ((retval = jtag_execute_queue()) != ERROR_OK)
353 LOG_WARNING("JTAG communication failed asserting reset.");
357 /* request target halt if necessary, and schedule further action */
361 switch (target->reset_mode)
364 /* nothing to do if target just wants to be run */
366 case RESET_RUN_AND_HALT:
368 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
370 case RESET_RUN_AND_INIT:
372 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
373 target_register_event_callback(target_init_handler, cmd_ctx);
380 target_register_event_callback(target_init_handler, cmd_ctx);
383 LOG_ERROR("BUG: unknown target->reset_mode");
385 target = target->next;
388 if ((retval = jtag_execute_queue()) != ERROR_OK)
390 LOG_WARNING("JTAG communication failed while reset was asserted. Consider using srst_only for reset_config.");
397 target->type->deassert_reset(target);
398 target = target->next;
401 if ((retval = jtag_execute_queue()) != ERROR_OK)
403 LOG_WARNING("JTAG communication failed while deasserting reset.");
407 if (jtag_reset_config & RESET_SRST_PULLS_TRST)
409 /* If TRST was asserted we need to set up registers again */
410 if ((retval = target_examine(cmd_ctx)) != ERROR_OK)
414 /* post reset scripts can be quite long, increase speed now. If post
415 * reset scripts needs a different speed, they can set the speed to
416 * whatever they need.
418 jtag->speed(jtag_speed_post_reset);
420 LOG_DEBUG("Waiting for halted stated as approperiate");
422 /* Wait for reset to complete, maximum 5 seconds. */
423 gettimeofday(&timeout, NULL);
424 timeval_add_time(&timeout, 5, 0);
427 gettimeofday(&now, NULL);
429 target_call_timer_callbacks_now();
434 LOG_DEBUG("Polling target");
436 if ((target->reset_mode == RESET_RUN_AND_INIT) ||
437 (target->reset_mode == RESET_RUN_AND_HALT) ||
438 (target->reset_mode == RESET_HALT) ||
439 (target->reset_mode == RESET_INIT))
441 if (target->state != TARGET_HALTED)
443 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
445 LOG_USER("Timed out waiting for halt after reset");
448 /* this will send alive messages on e.g. GDB remote protocol. */
450 LOG_USER_N("%s", ""); /* avoid warning about zero length formatting message*/
454 target = target->next;
456 /* All targets we're waiting for are halted */
464 /* We want any events to be processed before the prompt */
465 target_call_timer_callbacks_now();
467 /* if we timed out we need to unregister these handlers */
471 target_unregister_timer_callback(target_run_and_halt_handler, target);
472 target = target->next;
474 target_unregister_event_callback(target_init_handler, cmd_ctx);
480 static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
486 static int default_mmu(struct target_s *target, int *enabled)
492 static int default_examine(struct command_context_s *cmd_ctx, struct target_s *target)
494 target->type->examined = 1;
499 /* Targets that correctly implement init+examine, i.e.
500 * no communication with target during init:
504 int target_examine(struct command_context_s *cmd_ctx)
506 int retval = ERROR_OK;
507 target_t *target = targets;
510 if ((retval = target->type->examine(cmd_ctx, target))!=ERROR_OK)
512 target = target->next;
517 static int target_write_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
519 if (!target->type->examined)
521 LOG_ERROR("Target not examined yet");
524 return target->type->write_memory_imp(target, address, size, count, buffer);
527 static int target_read_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
529 if (!target->type->examined)
531 LOG_ERROR("Target not examined yet");
534 return target->type->read_memory_imp(target, address, size, count, buffer);
537 static int target_soft_reset_halt_imp(struct target_s *target)
539 if (!target->type->examined)
541 LOG_ERROR("Target not examined yet");
544 return target->type->soft_reset_halt_imp(target);
547 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)
549 if (!target->type->examined)
551 LOG_ERROR("Target not examined yet");
554 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);
557 int target_init(struct command_context_s *cmd_ctx)
559 target_t *target = targets;
563 target->type->examined = 0;
564 if (target->type->examine == NULL)
566 target->type->examine = default_examine;
569 if (target->type->init_target(cmd_ctx, target) != ERROR_OK)
571 LOG_ERROR("target '%s' init failed", target->type->name);
575 /* Set up default functions if none are provided by target */
576 if (target->type->virt2phys == NULL)
578 target->type->virt2phys = default_virt2phys;
580 target->type->virt2phys = default_virt2phys;
581 /* a non-invasive way(in terms of patches) to add some code that
582 * runs before the type->write/read_memory implementation
584 target->type->write_memory_imp = target->type->write_memory;
585 target->type->write_memory = target_write_memory_imp;
586 target->type->read_memory_imp = target->type->read_memory;
587 target->type->read_memory = target_read_memory_imp;
588 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
589 target->type->soft_reset_halt = target_soft_reset_halt_imp;
590 target->type->run_algorithm_imp = target->type->run_algorithm;
591 target->type->run_algorithm = target_run_algorithm_imp;
594 if (target->type->mmu == NULL)
596 target->type->mmu = default_mmu;
598 target = target->next;
603 target_register_user_commands(cmd_ctx);
604 target_register_timer_callback(handle_target, 100, 1, NULL);
610 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
612 target_event_callback_t **callbacks_p = &target_event_callbacks;
614 if (callback == NULL)
616 return ERROR_INVALID_ARGUMENTS;
621 while ((*callbacks_p)->next)
622 callbacks_p = &((*callbacks_p)->next);
623 callbacks_p = &((*callbacks_p)->next);
626 (*callbacks_p) = malloc(sizeof(target_event_callback_t));
627 (*callbacks_p)->callback = callback;
628 (*callbacks_p)->priv = priv;
629 (*callbacks_p)->next = NULL;
634 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
636 target_timer_callback_t **callbacks_p = &target_timer_callbacks;
639 if (callback == NULL)
641 return ERROR_INVALID_ARGUMENTS;
646 while ((*callbacks_p)->next)
647 callbacks_p = &((*callbacks_p)->next);
648 callbacks_p = &((*callbacks_p)->next);
651 (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
652 (*callbacks_p)->callback = callback;
653 (*callbacks_p)->periodic = periodic;
654 (*callbacks_p)->time_ms = time_ms;
656 gettimeofday(&now, NULL);
657 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
658 time_ms -= (time_ms % 1000);
659 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
660 if ((*callbacks_p)->when.tv_usec > 1000000)
662 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
663 (*callbacks_p)->when.tv_sec += 1;
666 (*callbacks_p)->priv = priv;
667 (*callbacks_p)->next = NULL;
672 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
674 target_event_callback_t **p = &target_event_callbacks;
675 target_event_callback_t *c = target_event_callbacks;
677 if (callback == NULL)
679 return ERROR_INVALID_ARGUMENTS;
684 target_event_callback_t *next = c->next;
685 if ((c->callback == callback) && (c->priv == priv))
699 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
701 target_timer_callback_t **p = &target_timer_callbacks;
702 target_timer_callback_t *c = target_timer_callbacks;
704 if (callback == NULL)
706 return ERROR_INVALID_ARGUMENTS;
711 target_timer_callback_t *next = c->next;
712 if ((c->callback == callback) && (c->priv == priv))
726 int target_call_event_callbacks(target_t *target, enum target_event event)
728 target_event_callback_t *callback = target_event_callbacks;
729 target_event_callback_t *next_callback;
731 LOG_DEBUG("target event %i", event);
735 next_callback = callback->next;
736 callback->callback(target, event, callback->priv);
737 callback = next_callback;
743 static int target_call_timer_callbacks_check_time(int checktime)
745 target_timer_callback_t *callback = target_timer_callbacks;
746 target_timer_callback_t *next_callback;
751 gettimeofday(&now, NULL);
755 next_callback = callback->next;
757 if ((!checktime&&callback->periodic)||
758 (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
759 || (now.tv_sec > callback->when.tv_sec)))
761 if(callback->callback != NULL)
763 callback->callback(callback->priv);
764 if (callback->periodic)
766 int time_ms = callback->time_ms;
767 callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
768 time_ms -= (time_ms % 1000);
769 callback->when.tv_sec = now.tv_sec + time_ms / 1000;
770 if (callback->when.tv_usec > 1000000)
772 callback->when.tv_usec = callback->when.tv_usec - 1000000;
773 callback->when.tv_sec += 1;
777 target_unregister_timer_callback(callback->callback, callback->priv);
781 callback = next_callback;
787 int target_call_timer_callbacks()
789 return target_call_timer_callbacks_check_time(1);
792 /* invoke periodic callbacks immediately */
793 int target_call_timer_callbacks_now()
795 return target_call_timer_callbacks(0);
798 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
800 working_area_t *c = target->working_areas;
801 working_area_t *new_wa = NULL;
803 /* Reevaluate working area address based on MMU state*/
804 if (target->working_areas == NULL)
808 retval = target->type->mmu(target, &enabled);
809 if (retval != ERROR_OK)
815 target->working_area = target->working_area_virt;
819 target->working_area = target->working_area_phys;
823 /* only allocate multiples of 4 byte */
826 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
827 size = CEIL(size, 4);
830 /* see if there's already a matching working area */
833 if ((c->free) && (c->size == size))
841 /* if not, allocate a new one */
844 working_area_t **p = &target->working_areas;
845 u32 first_free = target->working_area;
846 u32 free_size = target->working_area_size;
848 LOG_DEBUG("allocating new working area");
850 c = target->working_areas;
853 first_free += c->size;
854 free_size -= c->size;
859 if (free_size < size)
861 LOG_WARNING("not enough working area available(requested %d, free %d)", size, free_size);
862 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
865 new_wa = malloc(sizeof(working_area_t));
868 new_wa->address = first_free;
870 if (target->backup_working_area)
872 new_wa->backup = malloc(new_wa->size);
873 target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup);
877 new_wa->backup = NULL;
880 /* put new entry in list */
884 /* mark as used, and return the new (reused) area */
894 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
899 if (restore&&target->backup_working_area)
900 target->type->write_memory(target, area->address, 4, area->size / 4, area->backup);
904 /* mark user pointer invalid */
911 int target_free_working_area(struct target_s *target, working_area_t *area)
913 return target_free_working_area_restore(target, area, 1);
916 int target_free_all_working_areas_restore(struct target_s *target, int restore)
918 working_area_t *c = target->working_areas;
922 working_area_t *next = c->next;
923 target_free_working_area_restore(target, c, restore);
933 target->working_areas = NULL;
938 int target_free_all_working_areas(struct target_s *target)
940 return target_free_all_working_areas_restore(target, 1);
943 int target_register_commands(struct command_context_s *cmd_ctx)
945 register_command(cmd_ctx, NULL, "target", handle_target_command, COMMAND_CONFIG, "target <cpu> [reset_init default - DEPRECATED] <chainpos> <endianness> <variant> [cpu type specifc args]");
946 register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL);
947 register_command(cmd_ctx, NULL, "run_and_halt_time", handle_run_and_halt_time_command, COMMAND_CONFIG, "<target> <run time ms>");
948 register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_ANY, "working_area <target#> <address> <size> <'backup'|'nobackup'> [virtual address]");
949 register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "virt2phys <virtual address>");
950 register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "PRELIMINARY! - profile <seconds> <gmon.out>");
952 /* script procedures */
953 register_jim(cmd_ctx, "openocd_mem2array", jim_mem2array, "read memory and return as a TCL array for script processing");
954 register_jim(cmd_ctx, "openocd_array2mem", jim_array2mem, "convert a TCL array to memory locations and write the values");
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_blank_check_memory(struct target_s *target, u32 address, u32 size, u32* blank)
1152 if (!target->type->examined)
1154 LOG_ERROR("Target not examined yet");
1158 if (target->type->blank_check_memory == 0)
1159 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1161 retval = target->type->blank_check_memory(target, address, size, blank);
1166 int target_read_u32(struct target_s *target, u32 address, u32 *value)
1169 if (!target->type->examined)
1171 LOG_ERROR("Target not examined yet");
1175 int retval = target->type->read_memory(target, address, 4, 1, value_buf);
1177 if (retval == ERROR_OK)
1179 *value = target_buffer_get_u32(target, value_buf);
1180 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
1185 LOG_DEBUG("address: 0x%8.8x failed", address);
1191 int target_read_u16(struct target_s *target, u32 address, u16 *value)
1194 if (!target->type->examined)
1196 LOG_ERROR("Target not examined yet");
1200 int retval = target->type->read_memory(target, address, 2, 1, value_buf);
1202 if (retval == ERROR_OK)
1204 *value = target_buffer_get_u16(target, value_buf);
1205 LOG_DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
1210 LOG_DEBUG("address: 0x%8.8x failed", address);
1216 int target_read_u8(struct target_s *target, u32 address, u8 *value)
1218 int retval = target->type->read_memory(target, address, 1, 1, value);
1219 if (!target->type->examined)
1221 LOG_ERROR("Target not examined yet");
1225 if (retval == ERROR_OK)
1227 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
1232 LOG_DEBUG("address: 0x%8.8x failed", address);
1238 int target_write_u32(struct target_s *target, u32 address, u32 value)
1242 if (!target->type->examined)
1244 LOG_ERROR("Target not examined yet");
1248 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1250 target_buffer_set_u32(target, value_buf, value);
1251 if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1253 LOG_DEBUG("failed: %i", retval);
1259 int target_write_u16(struct target_s *target, u32 address, u16 value)
1263 if (!target->type->examined)
1265 LOG_ERROR("Target not examined yet");
1269 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1271 target_buffer_set_u16(target, value_buf, value);
1272 if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1274 LOG_DEBUG("failed: %i", retval);
1280 int target_write_u8(struct target_s *target, u32 address, u8 value)
1283 if (!target->type->examined)
1285 LOG_ERROR("Target not examined yet");
1289 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
1291 if ((retval = target->type->read_memory(target, address, 1, 1, &value)) != ERROR_OK)
1293 LOG_DEBUG("failed: %i", retval);
1299 int target_register_user_commands(struct command_context_s *cmd_ctx)
1301 register_command(cmd_ctx, NULL, "reg", handle_reg_command, COMMAND_EXEC, NULL);
1302 register_command(cmd_ctx, NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1303 register_command(cmd_ctx, NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1304 register_command(cmd_ctx, NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1305 register_command(cmd_ctx, NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1306 register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1307 register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init|run_and_halt|run_and_init]");
1308 register_command(cmd_ctx, NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1310 register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
1311 register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
1312 register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
1314 register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value> [count]");
1315 register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value> [count]");
1316 register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value> [count]");
1318 register_command(cmd_ctx, NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
1319 register_command(cmd_ctx, NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
1320 register_command(cmd_ctx, NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
1321 register_command(cmd_ctx, NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
1323 register_command(cmd_ctx, NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex'|'elf'|'s19']");
1324 register_command(cmd_ctx, NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1325 register_command(cmd_ctx, NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1326 register_command(cmd_ctx, NULL, "load_binary", handle_load_image_command, COMMAND_EXEC, "[DEPRECATED] load_binary <file> <address>");
1327 register_command(cmd_ctx, NULL, "dump_binary", handle_dump_image_command, COMMAND_EXEC, "[DEPRECATED] dump_binary <file> <address> <size>");
1329 target_request_register_commands(cmd_ctx);
1330 trace_register_commands(cmd_ctx);
1335 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1337 target_t *target = targets;
1342 int num = strtoul(args[0], NULL, 0);
1347 target = target->next;
1351 cmd_ctx->current_target = num;
1353 command_print(cmd_ctx, "%i is out of bounds, only %i targets are configured", num, count);
1360 command_print(cmd_ctx, "%i: %s (%s), state: %s", count++, target->type->name, target_endianess_strings[target->endianness], target_state_strings[target->state]);
1361 target = target->next;
1367 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1374 return ERROR_COMMAND_SYNTAX_ERROR;
1377 /* search for the specified target */
1378 if (args[0] && (args[0][0] != 0))
1380 for (i = 0; target_types[i]; i++)
1382 if (strcmp(args[0], target_types[i]->name) == 0)
1384 target_t **last_target_p = &targets;
1386 /* register target specific commands */
1387 if (target_types[i]->register_commands(cmd_ctx) != ERROR_OK)
1389 LOG_ERROR("couldn't register '%s' commands", args[0]);
1395 while ((*last_target_p)->next)
1396 last_target_p = &((*last_target_p)->next);
1397 last_target_p = &((*last_target_p)->next);
1400 *last_target_p = malloc(sizeof(target_t));
1402 /* allocate memory for each unique target type */
1403 (*last_target_p)->type = (target_type_t*)malloc(sizeof(target_type_t));
1404 *((*last_target_p)->type) = *target_types[i];
1406 if (strcmp(args[1], "big") == 0)
1407 (*last_target_p)->endianness = TARGET_BIG_ENDIAN;
1408 else if (strcmp(args[1], "little") == 0)
1409 (*last_target_p)->endianness = TARGET_LITTLE_ENDIAN;
1412 LOG_ERROR("endianness must be either 'little' or 'big', not '%s'", args[1]);
1413 return ERROR_COMMAND_SYNTAX_ERROR;
1416 /* what to do on a target reset */
1417 (*last_target_p)->reset_mode = RESET_INIT; /* default */
1418 if (strcmp(args[2], "reset_halt") == 0)
1419 (*last_target_p)->reset_mode = RESET_HALT;
1420 else if (strcmp(args[2], "reset_run") == 0)
1421 (*last_target_p)->reset_mode = RESET_RUN;
1422 else if (strcmp(args[2], "reset_init") == 0)
1423 (*last_target_p)->reset_mode = RESET_INIT;
1424 else if (strcmp(args[2], "run_and_halt") == 0)
1425 (*last_target_p)->reset_mode = RESET_RUN_AND_HALT;
1426 else if (strcmp(args[2], "run_and_init") == 0)
1427 (*last_target_p)->reset_mode = RESET_RUN_AND_INIT;
1430 /* Kludge! we want to make this reset arg optional while remaining compatible! */
1434 (*last_target_p)->run_and_halt_time = 1000; /* default 1s */
1436 (*last_target_p)->working_area = 0x0;
1437 (*last_target_p)->working_area_size = 0x0;
1438 (*last_target_p)->working_areas = NULL;
1439 (*last_target_p)->backup_working_area = 0;
1441 (*last_target_p)->state = TARGET_UNKNOWN;
1442 (*last_target_p)->debug_reason = DBG_REASON_UNDEFINED;
1443 (*last_target_p)->reg_cache = NULL;
1444 (*last_target_p)->breakpoints = NULL;
1445 (*last_target_p)->watchpoints = NULL;
1446 (*last_target_p)->next = NULL;
1447 (*last_target_p)->arch_info = NULL;
1449 /* initialize trace information */
1450 (*last_target_p)->trace_info = malloc(sizeof(trace_t));
1451 (*last_target_p)->trace_info->num_trace_points = 0;
1452 (*last_target_p)->trace_info->trace_points_size = 0;
1453 (*last_target_p)->trace_info->trace_points = NULL;
1454 (*last_target_p)->trace_info->trace_history_size = 0;
1455 (*last_target_p)->trace_info->trace_history = NULL;
1456 (*last_target_p)->trace_info->trace_history_pos = 0;
1457 (*last_target_p)->trace_info->trace_history_overflowed = 0;
1459 (*last_target_p)->dbgmsg = NULL;
1460 (*last_target_p)->dbg_msg_enabled = 0;
1462 (*last_target_p)->type->target_command(cmd_ctx, cmd, args, argc, *last_target_p);
1470 /* no matching target found */
1473 LOG_ERROR("target '%s' not found", args[0]);
1474 return ERROR_COMMAND_SYNTAX_ERROR;
1480 int target_invoke_script(struct command_context_s *cmd_ctx, target_t *target, char *name)
1482 return command_run_linef(cmd_ctx, " if {[catch {info body target_%s_%d} t]==0} {target_%s_%d}",
1483 name, get_num_by_target(target),
1484 name, get_num_by_target(target));
1487 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1489 target_t *target = NULL;
1493 return ERROR_COMMAND_SYNTAX_ERROR;
1496 target = get_target_by_num(strtoul(args[0], NULL, 0));
1499 return ERROR_COMMAND_SYNTAX_ERROR;
1502 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1507 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1509 target_t *target = NULL;
1511 if ((argc < 4) || (argc > 5))
1513 return ERROR_COMMAND_SYNTAX_ERROR;
1516 target = get_target_by_num(strtoul(args[0], NULL, 0));
1519 return ERROR_COMMAND_SYNTAX_ERROR;
1521 target_free_all_working_areas(target);
1523 target->working_area_phys = target->working_area_virt = strtoul(args[1], NULL, 0);
1526 target->working_area_virt = strtoul(args[4], NULL, 0);
1528 target->working_area_size = strtoul(args[2], NULL, 0);
1530 if (strcmp(args[3], "backup") == 0)
1532 target->backup_working_area = 1;
1534 else if (strcmp(args[3], "nobackup") == 0)
1536 target->backup_working_area = 0;
1540 LOG_ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
1541 return ERROR_COMMAND_SYNTAX_ERROR;
1548 /* process target state changes */
1549 int handle_target(void *priv)
1551 target_t *target = targets;
1555 if (target_continous_poll)
1557 /* polling may fail silently until the target has been examined */
1558 target_poll(target);
1561 target = target->next;
1567 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1576 target = get_current_target(cmd_ctx);
1578 /* list all available registers for the current target */
1581 reg_cache_t *cache = target->reg_cache;
1587 for (i = 0; i < cache->num_regs; i++)
1589 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1590 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);
1593 cache = cache->next;
1599 /* access a single register by its ordinal number */
1600 if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1602 int num = strtoul(args[0], NULL, 0);
1603 reg_cache_t *cache = target->reg_cache;
1609 for (i = 0; i < cache->num_regs; i++)
1613 reg = &cache->reg_list[i];
1619 cache = cache->next;
1624 command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1627 } else /* access a single register by its name */
1629 reg = register_get_by_name(target->reg_cache, args[0], 1);
1633 command_print(cmd_ctx, "register %s not found in current target", args[0]);
1638 /* display a register */
1639 if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1641 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1644 if (reg->valid == 0)
1646 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1647 if (arch_type == NULL)
1649 LOG_ERROR("BUG: encountered unregistered arch type");
1652 arch_type->get(reg);
1654 value = buf_to_str(reg->value, reg->size, 16);
1655 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1660 /* set register value */
1663 u8 *buf = malloc(CEIL(reg->size, 8));
1664 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1666 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1667 if (arch_type == NULL)
1669 LOG_ERROR("BUG: encountered unregistered arch type");
1673 arch_type->set(reg, buf);
1675 value = buf_to_str(reg->value, reg->size, 16);
1676 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1684 command_print(cmd_ctx, "usage: reg <#|name> [value]");
1689 static int wait_state(struct command_context_s *cmd_ctx, char *cmd, enum target_state state, int ms);
1691 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1693 target_t *target = get_current_target(cmd_ctx);
1697 target_poll(target);
1698 target_arch_state(target);
1702 if (strcmp(args[0], "on") == 0)
1704 target_continous_poll = 1;
1706 else if (strcmp(args[0], "off") == 0)
1708 target_continous_poll = 0;
1712 command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1720 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1728 ms = strtoul(args[0], &end, 0) * 1000;
1731 command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1736 return wait_state(cmd_ctx, cmd, TARGET_HALTED, ms);
1739 static int wait_state(struct command_context_s *cmd_ctx, char *cmd, enum target_state state, int ms)
1742 struct timeval timeout, now;
1744 gettimeofday(&timeout, NULL);
1745 timeval_add_time(&timeout, 0, ms * 1000);
1747 target_t *target = get_current_target(cmd_ctx);
1750 if ((retval=target_poll(target))!=ERROR_OK)
1752 target_call_timer_callbacks_now();
1753 if (target->state == state)
1760 command_print(cmd_ctx, "waiting for target %s...", target_state_strings[state]);
1763 gettimeofday(&now, NULL);
1764 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
1766 LOG_ERROR("timed out while waiting for target %s", target_state_strings[state]);
1774 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1777 target_t *target = get_current_target(cmd_ctx);
1781 if ((retval = target_halt(target)) != ERROR_OK)
1786 return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1789 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1791 target_t *target = get_current_target(cmd_ctx);
1793 LOG_USER("requesting target halt and executing a soft reset");
1795 target->type->soft_reset_halt(target);
1800 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1802 target_t *target = get_current_target(cmd_ctx);
1803 enum target_reset_mode reset_mode = target->reset_mode;
1804 enum target_reset_mode save = target->reset_mode;
1810 if (strcmp("run", args[0]) == 0)
1811 reset_mode = RESET_RUN;
1812 else if (strcmp("halt", args[0]) == 0)
1813 reset_mode = RESET_HALT;
1814 else if (strcmp("init", args[0]) == 0)
1815 reset_mode = RESET_INIT;
1816 else if (strcmp("run_and_halt", args[0]) == 0)
1818 reset_mode = RESET_RUN_AND_HALT;
1821 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1824 else if (strcmp("run_and_init", args[0]) == 0)
1826 reset_mode = RESET_RUN_AND_INIT;
1829 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1834 command_print(cmd_ctx, "usage: reset ['run', 'halt', 'init', 'run_and_halt', 'run_and_init]");
1839 /* temporarily modify mode of current reset target */
1840 target->reset_mode = reset_mode;
1842 /* reset *all* targets */
1843 target_process_reset(cmd_ctx);
1845 /* Restore default reset mode for this target */
1846 target->reset_mode = save;
1851 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1854 target_t *target = get_current_target(cmd_ctx);
1856 target_invoke_script(cmd_ctx, target, "pre_resume");
1859 retval = target_resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1861 retval = target_resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1864 return ERROR_COMMAND_SYNTAX_ERROR;
1870 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1872 target_t *target = get_current_target(cmd_ctx);
1877 target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1880 target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1885 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1887 const int line_bytecnt = 32;
1900 target_t *target = get_current_target(cmd_ctx);
1906 count = strtoul(args[1], NULL, 0);
1908 address = strtoul(args[0], NULL, 0);
1914 size = 4; line_modulo = line_bytecnt / 4;
1917 size = 2; line_modulo = line_bytecnt / 2;
1920 size = 1; line_modulo = line_bytecnt / 1;
1926 buffer = calloc(count, size);
1927 retval = target->type->read_memory(target, address, size, count, buffer);
1928 if (retval == ERROR_OK)
1932 for (i = 0; i < count; i++)
1934 if (i%line_modulo == 0)
1935 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1940 output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1943 output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1946 output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1950 if ((i%line_modulo == line_modulo-1) || (i == count - 1))
1952 command_print(cmd_ctx, output);
1963 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1970 target_t *target = get_current_target(cmd_ctx);
1973 if ((argc < 2) || (argc > 3))
1974 return ERROR_COMMAND_SYNTAX_ERROR;
1976 address = strtoul(args[0], NULL, 0);
1977 value = strtoul(args[1], NULL, 0);
1979 count = strtoul(args[2], NULL, 0);
1985 target_buffer_set_u32(target, value_buf, value);
1989 target_buffer_set_u16(target, value_buf, value);
1993 value_buf[0] = value;
1996 return ERROR_COMMAND_SYNTAX_ERROR;
1998 for (i=0; i<count; i++)
2004 retval = target->type->write_memory(target, address + i*wordsize, 4, 1, value_buf);
2007 retval = target->type->write_memory(target, address + i*wordsize, 2, 1, value_buf);
2010 retval = target->type->write_memory(target, address + i*wordsize, 1, 1, value_buf);
2015 if (retval!=ERROR_OK)
2025 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2035 duration_t duration;
2036 char *duration_text;
2038 target_t *target = get_current_target(cmd_ctx);
2042 command_print(cmd_ctx, "usage: load_image <filename> [address] [type]");
2046 /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
2049 image.base_address_set = 1;
2050 image.base_address = strtoul(args[1], NULL, 0);
2054 image.base_address_set = 0;
2057 image.start_address_set = 0;
2059 duration_start_measure(&duration);
2061 if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2068 for (i = 0; i < image.num_sections; i++)
2070 buffer = malloc(image.sections[i].size);
2073 command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2077 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2082 if ((retval = target_write_buffer(target, image.sections[i].base_address, buf_cnt, buffer)) != ERROR_OK)
2087 image_size += buf_cnt;
2088 command_print(cmd_ctx, "%u byte written at address 0x%8.8x", buf_cnt, image.sections[i].base_address);
2093 duration_stop_measure(&duration, &duration_text);
2094 if (retval==ERROR_OK)
2096 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
2098 free(duration_text);
2100 image_close(&image);
2106 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2113 int retval=ERROR_OK;
2115 duration_t duration;
2116 char *duration_text;
2118 target_t *target = get_current_target(cmd_ctx);
2122 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2126 address = strtoul(args[1], NULL, 0);
2127 size = strtoul(args[2], NULL, 0);
2129 if ((address & 3) || (size & 3))
2131 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
2135 if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2140 duration_start_measure(&duration);
2145 u32 this_run_size = (size > 560) ? 560 : size;
2147 retval = target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
2148 if (retval != ERROR_OK)
2153 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2154 if (retval != ERROR_OK)
2159 size -= this_run_size;
2160 address += this_run_size;
2163 fileio_close(&fileio);
2165 duration_stop_measure(&duration, &duration_text);
2166 if (retval==ERROR_OK)
2168 command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
2170 free(duration_text);
2175 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2183 u32 mem_checksum = 0;
2187 duration_t duration;
2188 char *duration_text;
2190 target_t *target = get_current_target(cmd_ctx);
2194 return ERROR_COMMAND_SYNTAX_ERROR;
2199 LOG_ERROR("no target selected");
2203 duration_start_measure(&duration);
2207 image.base_address_set = 1;
2208 image.base_address = strtoul(args[1], NULL, 0);
2212 image.base_address_set = 0;
2213 image.base_address = 0x0;
2216 image.start_address_set = 0;
2218 if ((retval=image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2225 for (i = 0; i < image.num_sections; i++)
2227 buffer = malloc(image.sections[i].size);
2230 command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2233 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2239 /* calculate checksum of image */
2240 image_calculate_checksum( buffer, buf_cnt, &checksum );
2242 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2243 if( retval != ERROR_OK )
2249 if( checksum != mem_checksum )
2251 /* failed crc checksum, fall back to a binary compare */
2254 command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2256 data = (u8*)malloc(buf_cnt);
2258 /* Can we use 32bit word accesses? */
2260 int count = buf_cnt;
2261 if ((count % 4) == 0)
2266 retval = target->type->read_memory(target, image.sections[i].base_address, size, count, data);
2267 if (retval == ERROR_OK)
2270 for (t = 0; t < buf_cnt; t++)
2272 if (data[t] != buffer[t])
2274 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]);
2287 image_size += buf_cnt;
2290 duration_stop_measure(&duration, &duration_text);
2291 if (retval==ERROR_OK)
2293 command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2295 free(duration_text);
2297 image_close(&image);
2302 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2305 target_t *target = get_current_target(cmd_ctx);
2309 breakpoint_t *breakpoint = target->breakpoints;
2313 if (breakpoint->type == BKPT_SOFT)
2315 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
2316 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
2321 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
2323 breakpoint = breakpoint->next;
2331 length = strtoul(args[1], NULL, 0);
2334 if (strcmp(args[2], "hw") == 0)
2337 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
2339 LOG_ERROR("Failure setting breakpoints");
2343 command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
2348 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2354 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2356 target_t *target = get_current_target(cmd_ctx);
2359 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2364 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2366 target_t *target = get_current_target(cmd_ctx);
2371 watchpoint_t *watchpoint = target->watchpoints;
2375 command_print(cmd_ctx, "address: 0x%8.8x, len: 0x%8.8x, r/w/a: %i, value: 0x%8.8x, mask: 0x%8.8x", watchpoint->address, watchpoint->length, watchpoint->rw, watchpoint->value, watchpoint->mask);
2376 watchpoint = watchpoint->next;
2381 enum watchpoint_rw type = WPT_ACCESS;
2382 u32 data_value = 0x0;
2383 u32 data_mask = 0xffffffff;
2399 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2405 data_value = strtoul(args[3], NULL, 0);
2409 data_mask = strtoul(args[4], NULL, 0);
2412 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2413 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2415 LOG_ERROR("Failure setting breakpoints");
2420 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2426 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2428 target_t *target = get_current_target(cmd_ctx);
2431 watchpoint_remove(target, strtoul(args[0], NULL, 0));
2436 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
2439 target_t *target = get_current_target(cmd_ctx);
2445 return ERROR_COMMAND_SYNTAX_ERROR;
2447 va = strtoul(args[0], NULL, 0);
2449 retval = target->type->virt2phys(target, va, &pa);
2450 if (retval == ERROR_OK)
2452 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2456 /* lower levels will have logged a detailed error which is
2457 * forwarded to telnet/GDB session.
2462 static void writeLong(FILE *f, int l)
2467 char c=(l>>(i*8))&0xff;
2468 fwrite(&c, 1, 1, f);
2472 static void writeString(FILE *f, char *s)
2474 fwrite(s, 1, strlen(s), f);
2479 // Dump a gmon.out histogram file.
2480 static void writeGmon(u32 *samples, int sampleNum, char *filename)
2483 FILE *f=fopen(filename, "w");
2486 fwrite("gmon", 1, 4, f);
2487 writeLong(f, 0x00000001); // Version
2488 writeLong(f, 0); // padding
2489 writeLong(f, 0); // padding
2490 writeLong(f, 0); // padding
2492 fwrite("", 1, 1, f); // GMON_TAG_TIME_HIST
2494 // figure out bucket size
2497 for (i=0; i<sampleNum; i++)
2509 int addressSpace=(max-min+1);
2511 static int const maxBuckets=256*1024; // maximum buckets.
2512 int length=addressSpace;
2513 if (length > maxBuckets)
2517 int *buckets=malloc(sizeof(int)*length);
2523 memset(buckets, 0, sizeof(int)*length);
2524 for (i=0; i<sampleNum;i++)
2526 u32 address=samples[i];
2527 long long a=address-min;
2528 long long b=length-1;
2529 long long c=addressSpace-1;
2530 int index=(a*b)/c; // danger!!!! int32 overflows
2534 // append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr))
2535 writeLong(f, min); // low_pc
2536 writeLong(f, max); // high_pc
2537 writeLong(f, length); // # of samples
2538 writeLong(f, 64000000); // 64MHz
2539 writeString(f, "seconds");
2540 for (i=0; i<(15-strlen("seconds")); i++)
2542 fwrite("", 1, 1, f); // padding
2544 writeString(f, "s");
2546 // append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size)
2548 char *data=malloc(2*length);
2551 for (i=0; i<length;i++)
2560 data[i*2+1]=(val>>8)&0xff;
2563 fwrite(data, 1, length*2, f);
2573 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
2574 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2576 target_t *target = get_current_target(cmd_ctx);
2577 struct timeval timeout, now;
2579 gettimeofday(&timeout, NULL);
2582 return ERROR_COMMAND_SYNTAX_ERROR;
2585 timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
2591 command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
2593 static const int maxSample=10000;
2594 u32 *samples=malloc(sizeof(u32)*maxSample);
2599 int retval=ERROR_OK;
2600 // hopefully it is safe to cache! We want to stop/restart as quickly as possible.
2601 reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
2605 target_poll(target);
2606 if (target->state == TARGET_HALTED)
2608 u32 t=*((u32 *)reg->value);
2609 samples[numSamples++]=t;
2610 retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2611 target_poll(target);
2612 usleep(10*1000); // sleep 10ms, i.e. <100 samples/second.
2613 } else if (target->state == TARGET_RUNNING)
2615 // We want to quickly sample the PC.
2616 target_halt(target);
2619 command_print(cmd_ctx, "Target not halted or running");
2623 if (retval!=ERROR_OK)
2628 gettimeofday(&now, NULL);
2629 if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
2631 command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
2632 target_poll(target);
2633 if (target->state == TARGET_HALTED)
2635 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2637 target_poll(target);
2638 writeGmon(samples, numSamples, args[1]);
2639 command_print(cmd_ctx, "Wrote %s", args[1]);
2648 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 val)
2651 Jim_Obj *nameObjPtr, *valObjPtr;
2654 namebuf = alloc_printf("%s(%d)", varname, idx);
2658 nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2659 valObjPtr = Jim_NewIntObj(interp, val);
2660 if (!nameObjPtr || !valObjPtr)
2666 Jim_IncrRefCount(nameObjPtr);
2667 Jim_IncrRefCount(valObjPtr);
2668 result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
2669 Jim_DecrRefCount(interp, nameObjPtr);
2670 Jim_DecrRefCount(interp, valObjPtr);
2672 /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
2676 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2679 command_context_t *context;
2686 const char *varname;
2688 int i, n, e, retval;
2690 /* argv[1] = name of array to receive the data
2691 * argv[2] = desired width
2692 * argv[3] = memory address
2693 * argv[4] = count of times to read
2696 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2699 varname = Jim_GetString(argv[1], &len);
2700 /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2702 e = Jim_GetLong(interp, argv[2], &l);
2708 e = Jim_GetLong(interp, argv[3], &l);
2713 e = Jim_GetLong(interp, argv[4], &l);
2729 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2730 Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2734 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2735 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
2738 if ((addr + (len * width)) < addr) {
2739 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2740 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
2743 /* absurd transfer size? */
2745 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2746 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
2751 ((width == 2) && ((addr & 1) == 0)) ||
2752 ((width == 4) && ((addr & 3) == 0))) {
2756 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2757 sprintf(buf, "mem2array address: 0x%08x is not aligned for %d byte reads", addr, width);
2758 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2762 context = Jim_GetAssocData(interp, "context");
2763 if (context == NULL)
2765 LOG_ERROR("mem2array: no command context");
2768 target = get_current_target(context);
2771 LOG_ERROR("mem2array: no current target");
2782 /* Slurp... in buffer size chunks */
2784 count = len; /* in objects.. */
2785 if (count > (sizeof(buffer)/width)) {
2786 count = (sizeof(buffer)/width);
2789 retval = target->type->read_memory( target, addr, width, count, buffer );
2790 if (retval != ERROR_OK) {
2792 LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
2793 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2794 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
2798 v = 0; /* shut up gcc */
2799 for (i = 0 ;i < count ;i++, n++) {
2802 v = target_buffer_get_u32(target, &buffer[i*width]);
2805 v = target_buffer_get_u16(target, &buffer[i*width]);
2808 v = buffer[i] & 0x0ff;
2811 new_int_array_element(interp, varname, n, v);
2817 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2822 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 *val)
2825 Jim_Obj *nameObjPtr, *valObjPtr;
2829 namebuf = alloc_printf("%s(%d)", varname, idx);
2833 nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2840 Jim_IncrRefCount(nameObjPtr);
2841 valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
2842 Jim_DecrRefCount(interp, nameObjPtr);
2844 if (valObjPtr == NULL)
2847 result = Jim_GetLong(interp, valObjPtr, &l);
2848 /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
2853 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2856 command_context_t *context;
2863 const char *varname;
2865 int i, n, e, retval;
2867 /* argv[1] = name of array to get the data
2868 * argv[2] = desired width
2869 * argv[3] = memory address
2870 * argv[4] = count to write
2873 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2876 varname = Jim_GetString(argv[1], &len);
2877 /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2879 e = Jim_GetLong(interp, argv[2], &l);
2885 e = Jim_GetLong(interp, argv[3], &l);
2890 e = Jim_GetLong(interp, argv[4], &l);
2906 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2907 Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2911 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2912 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
2915 if ((addr + (len * width)) < addr) {
2916 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2917 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
2920 /* absurd transfer size? */
2922 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2923 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
2928 ((width == 2) && ((addr & 1) == 0)) ||
2929 ((width == 4) && ((addr & 3) == 0))) {
2933 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2934 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads", addr, width);
2935 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2939 context = Jim_GetAssocData(interp, "context");
2940 if (context == NULL)
2942 LOG_ERROR("array2mem: no command context");
2945 target = get_current_target(context);
2948 LOG_ERROR("array2mem: no current target");
2959 /* Slurp... in buffer size chunks */
2961 count = len; /* in objects.. */
2962 if (count > (sizeof(buffer)/width)) {
2963 count = (sizeof(buffer)/width);
2966 v = 0; /* shut up gcc */
2967 for (i = 0 ;i < count ;i++, n++) {
2968 get_int_array_element(interp, varname, n, &v);
2971 target_buffer_set_u32(target, &buffer[i*width], v);
2974 target_buffer_set_u16(target, &buffer[i*width], v);
2977 buffer[i] = v & 0x0ff;
2983 retval = target->type->write_memory(target, addr, width, count, buffer);
2984 if (retval != ERROR_OK) {
2986 LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
2987 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2988 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
2994 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));