1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
5 * Copyright (C) 2007,2008 Øyvind Harboe *
6 * oyvind.harboe@zylin.com *
8 * This program is free software; you can redistribute it and/or modify *
9 * it under the terms of the GNU General Public License as published by *
10 * the Free Software Foundation; either version 2 of the License, or *
11 * (at your option) any later version. *
13 * This program is distributed in the hope that it will be useful, *
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
16 * GNU General Public License for more details. *
18 * You should have received a copy of the GNU General Public License *
19 * along with this program; if not, write to the *
20 * Free Software Foundation, Inc., *
21 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
22 ***************************************************************************/
27 #include "replacements.h"
29 #include "target_request.h"
32 #include "configuration.h"
33 #include "binarybuffer.h"
40 #include <sys/types.h>
48 #include <time_support.h>
53 int cli_target_callback_event_handler(struct target_s *target, enum target_event event, void *priv);
55 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
56 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
58 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
59 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
61 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
62 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
63 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
64 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
65 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
66 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
67 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
68 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
69 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
70 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
71 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
72 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
73 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
74 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
75 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
76 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
77 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
78 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc);
79 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
80 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
81 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
85 extern target_type_t arm7tdmi_target;
86 extern target_type_t arm720t_target;
87 extern target_type_t arm9tdmi_target;
88 extern target_type_t arm920t_target;
89 extern target_type_t arm966e_target;
90 extern target_type_t arm926ejs_target;
91 extern target_type_t feroceon_target;
92 extern target_type_t xscale_target;
93 extern target_type_t cortexm3_target;
94 extern target_type_t arm11_target;
96 target_type_t *target_types[] =
111 target_t *targets = NULL;
112 target_event_callback_t *target_event_callbacks = NULL;
113 target_timer_callback_t *target_timer_callbacks = NULL;
115 char *target_state_strings[] =
124 char *target_debug_reason_strings[] =
126 "debug request", "breakpoint", "watchpoint",
127 "watchpoint and breakpoint", "single step",
128 "target not halted", "undefined"
131 char *target_endianess_strings[] =
137 static int target_continous_poll = 1;
139 /* read a u32 from a buffer in target memory endianness */
140 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
142 if (target->endianness == TARGET_LITTLE_ENDIAN)
143 return le_to_h_u32(buffer);
145 return be_to_h_u32(buffer);
148 /* read a u16 from a buffer in target memory endianness */
149 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
151 if (target->endianness == TARGET_LITTLE_ENDIAN)
152 return le_to_h_u16(buffer);
154 return be_to_h_u16(buffer);
157 /* write a u32 to a buffer in target memory endianness */
158 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
160 if (target->endianness == TARGET_LITTLE_ENDIAN)
161 h_u32_to_le(buffer, value);
163 h_u32_to_be(buffer, value);
166 /* write a u16 to a buffer in target memory endianness */
167 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
169 if (target->endianness == TARGET_LITTLE_ENDIAN)
170 h_u16_to_le(buffer, value);
172 h_u16_to_be(buffer, value);
175 /* returns a pointer to the n-th configured target */
176 target_t* get_target_by_num(int num)
178 target_t *target = targets;
185 target = target->next;
192 int get_num_by_target(target_t *query_target)
194 target_t *target = targets;
199 if (target == query_target)
201 target = target->next;
208 target_t* get_current_target(command_context_t *cmd_ctx)
210 target_t *target = get_target_by_num(cmd_ctx->current_target);
214 LOG_ERROR("BUG: current_target out of bounds");
221 /* Process target initialization, when target entered debug out of reset
222 * the handler is unregistered at the end of this function, so it's only called once
224 int target_init_handler(struct target_s *target, enum target_event event, void *priv)
226 struct command_context_s *cmd_ctx = priv;
228 if (event == TARGET_EVENT_HALTED)
230 target_unregister_event_callback(target_init_handler, priv);
231 target_invoke_script(cmd_ctx, target, "post_reset");
232 jtag_execute_queue();
238 int target_run_and_halt_handler(void *priv)
240 target_t *target = priv;
247 int target_poll(struct target_s *target)
249 /* We can't poll until after examine */
250 if (!target->type->examined)
252 /* Fail silently lest we pollute the log */
255 return target->type->poll(target);
258 int target_halt(struct target_s *target)
260 /* We can't poll until after examine */
261 if (!target->type->examined)
263 LOG_ERROR("Target not examined yet");
266 return target->type->halt(target);
269 int target_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution)
273 /* We can't poll until after examine */
274 if (!target->type->examined)
276 LOG_ERROR("Target not examined yet");
280 /* note that resume *must* be asynchronous. The CPU can halt before we poll. The CPU can
281 * even halt at the current PC as a result of a software breakpoint being inserted by (a bug?)
284 if ((retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution)) != ERROR_OK)
290 int target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
292 int retval = ERROR_OK;
294 struct timeval timeout, now;
299 target_invoke_script(cmd_ctx, target, "pre_reset");
300 target = target->next;
303 if ((retval = jtag_init_reset(cmd_ctx)) != ERROR_OK)
306 keep_alive(); /* we might be running on a very slow JTAG clk */
308 /* First time this is executed after launching OpenOCD, it will read out
309 * the type of CPU, etc. and init Embedded ICE registers in host
312 * It will also set up ICE registers in the target.
314 * However, if we assert TRST later, we need to set up the registers again.
316 * For the "reset halt/init" case we must only set up the registers here.
318 if ((retval = target_examine(cmd_ctx)) != ERROR_OK)
321 keep_alive(); /* we might be running on a very slow JTAG clk */
326 /* we have no idea what state the target is in, so we
327 * have to drop working areas
329 target_free_all_working_areas_restore(target, 0);
330 target->reset_halt=((reset_mode==RESET_HALT)||(reset_mode==RESET_INIT));
331 target->type->assert_reset(target);
332 target = target->next;
334 if ((retval = jtag_execute_queue()) != ERROR_OK)
336 LOG_WARNING("JTAG communication failed asserting reset.");
340 /* request target halt if necessary, and schedule further action */
347 /* nothing to do if target just wants to be run */
349 case RESET_RUN_AND_HALT:
351 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
353 case RESET_RUN_AND_INIT:
355 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
356 target_register_event_callback(target_init_handler, cmd_ctx);
359 if ((jtag_reset_config & RESET_SRST_PULLS_TRST)==0)
363 if ((jtag_reset_config & RESET_SRST_PULLS_TRST)==0)
365 target_register_event_callback(target_init_handler, cmd_ctx);
368 LOG_ERROR("BUG: unknown target->reset_mode");
370 target = target->next;
373 if ((retval = jtag_execute_queue()) != ERROR_OK)
375 LOG_WARNING("JTAG communication failed while reset was asserted. Consider using srst_only for reset_config.");
382 target->type->deassert_reset(target);
383 /* We can fail to bring the target into the halted state */
385 if (target->reset_halt&&((target->state != TARGET_HALTED)))
387 LOG_WARNING("Failed to reset target into halted mode - issuing halt");
388 target->type->halt(target);
391 target = target->next;
394 if ((retval = jtag_execute_queue()) != ERROR_OK)
396 LOG_WARNING("JTAG communication failed while deasserting reset.");
400 if (jtag_reset_config & RESET_SRST_PULLS_TRST)
402 /* If TRST was asserted we need to set up registers again */
403 if ((retval = target_examine(cmd_ctx)) != ERROR_OK)
407 LOG_DEBUG("Waiting for halted stated as appropriate");
409 /* Wait for reset to complete, maximum 5 seconds. */
410 gettimeofday(&timeout, NULL);
411 timeval_add_time(&timeout, 5, 0);
414 gettimeofday(&now, NULL);
416 target_call_timer_callbacks_now();
421 LOG_DEBUG("Polling target");
423 if ((reset_mode == RESET_RUN_AND_INIT) ||
424 (reset_mode == RESET_RUN_AND_HALT) ||
425 (reset_mode == RESET_HALT) ||
426 (reset_mode == RESET_INIT))
428 if (target->state != TARGET_HALTED)
430 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
432 LOG_USER("Timed out waiting for halt after reset");
435 /* this will send alive messages on e.g. GDB remote protocol. */
437 LOG_USER_N("%s", ""); /* avoid warning about zero length formatting message*/
441 target = target->next;
443 /* All targets we're waiting for are halted */
451 /* We want any events to be processed before the prompt */
452 target_call_timer_callbacks_now();
454 /* if we timed out we need to unregister these handlers */
458 target_unregister_timer_callback(target_run_and_halt_handler, target);
459 target = target->next;
461 target_unregister_event_callback(target_init_handler, cmd_ctx);
466 static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
472 static int default_mmu(struct target_s *target, int *enabled)
478 static int default_examine(struct command_context_s *cmd_ctx, struct target_s *target)
480 target->type->examined = 1;
485 /* Targets that correctly implement init+examine, i.e.
486 * no communication with target during init:
490 int target_examine(struct command_context_s *cmd_ctx)
492 int retval = ERROR_OK;
493 target_t *target = targets;
496 if ((retval = target->type->examine(cmd_ctx, target))!=ERROR_OK)
498 target = target->next;
503 static int target_write_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
505 if (!target->type->examined)
507 LOG_ERROR("Target not examined yet");
510 return target->type->write_memory_imp(target, address, size, count, buffer);
513 static int target_read_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
515 if (!target->type->examined)
517 LOG_ERROR("Target not examined yet");
520 return target->type->read_memory_imp(target, address, size, count, buffer);
523 static int target_soft_reset_halt_imp(struct target_s *target)
525 if (!target->type->examined)
527 LOG_ERROR("Target not examined yet");
530 return target->type->soft_reset_halt_imp(target);
533 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)
535 if (!target->type->examined)
537 LOG_ERROR("Target not examined yet");
540 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);
543 int target_init(struct command_context_s *cmd_ctx)
545 target_t *target = targets;
549 target->type->examined = 0;
550 if (target->type->examine == NULL)
552 target->type->examine = default_examine;
555 if (target->type->init_target(cmd_ctx, target) != ERROR_OK)
557 LOG_ERROR("target '%s' init failed", target->type->name);
561 /* Set up default functions if none are provided by target */
562 if (target->type->virt2phys == NULL)
564 target->type->virt2phys = default_virt2phys;
566 target->type->virt2phys = default_virt2phys;
567 /* a non-invasive way(in terms of patches) to add some code that
568 * runs before the type->write/read_memory implementation
570 target->type->write_memory_imp = target->type->write_memory;
571 target->type->write_memory = target_write_memory_imp;
572 target->type->read_memory_imp = target->type->read_memory;
573 target->type->read_memory = target_read_memory_imp;
574 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
575 target->type->soft_reset_halt = target_soft_reset_halt_imp;
576 target->type->run_algorithm_imp = target->type->run_algorithm;
577 target->type->run_algorithm = target_run_algorithm_imp;
580 if (target->type->mmu == NULL)
582 target->type->mmu = default_mmu;
584 target = target->next;
589 target_register_user_commands(cmd_ctx);
590 target_register_timer_callback(handle_target, 100, 1, NULL);
596 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
598 target_event_callback_t **callbacks_p = &target_event_callbacks;
600 if (callback == NULL)
602 return ERROR_INVALID_ARGUMENTS;
607 while ((*callbacks_p)->next)
608 callbacks_p = &((*callbacks_p)->next);
609 callbacks_p = &((*callbacks_p)->next);
612 (*callbacks_p) = malloc(sizeof(target_event_callback_t));
613 (*callbacks_p)->callback = callback;
614 (*callbacks_p)->priv = priv;
615 (*callbacks_p)->next = NULL;
620 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
622 target_timer_callback_t **callbacks_p = &target_timer_callbacks;
625 if (callback == NULL)
627 return ERROR_INVALID_ARGUMENTS;
632 while ((*callbacks_p)->next)
633 callbacks_p = &((*callbacks_p)->next);
634 callbacks_p = &((*callbacks_p)->next);
637 (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
638 (*callbacks_p)->callback = callback;
639 (*callbacks_p)->periodic = periodic;
640 (*callbacks_p)->time_ms = time_ms;
642 gettimeofday(&now, NULL);
643 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
644 time_ms -= (time_ms % 1000);
645 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
646 if ((*callbacks_p)->when.tv_usec > 1000000)
648 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
649 (*callbacks_p)->when.tv_sec += 1;
652 (*callbacks_p)->priv = priv;
653 (*callbacks_p)->next = NULL;
658 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
660 target_event_callback_t **p = &target_event_callbacks;
661 target_event_callback_t *c = target_event_callbacks;
663 if (callback == NULL)
665 return ERROR_INVALID_ARGUMENTS;
670 target_event_callback_t *next = c->next;
671 if ((c->callback == callback) && (c->priv == priv))
685 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
687 target_timer_callback_t **p = &target_timer_callbacks;
688 target_timer_callback_t *c = target_timer_callbacks;
690 if (callback == NULL)
692 return ERROR_INVALID_ARGUMENTS;
697 target_timer_callback_t *next = c->next;
698 if ((c->callback == callback) && (c->priv == priv))
712 int target_call_event_callbacks(target_t *target, enum target_event event)
714 target_event_callback_t *callback = target_event_callbacks;
715 target_event_callback_t *next_callback;
717 LOG_DEBUG("target event %i", event);
721 next_callback = callback->next;
722 callback->callback(target, event, callback->priv);
723 callback = next_callback;
729 static int target_call_timer_callbacks_check_time(int checktime)
731 target_timer_callback_t *callback = target_timer_callbacks;
732 target_timer_callback_t *next_callback;
737 gettimeofday(&now, NULL);
741 next_callback = callback->next;
743 if ((!checktime&&callback->periodic)||
744 (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
745 || (now.tv_sec > callback->when.tv_sec)))
747 if(callback->callback != NULL)
749 callback->callback(callback->priv);
750 if (callback->periodic)
752 int time_ms = callback->time_ms;
753 callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
754 time_ms -= (time_ms % 1000);
755 callback->when.tv_sec = now.tv_sec + time_ms / 1000;
756 if (callback->when.tv_usec > 1000000)
758 callback->when.tv_usec = callback->when.tv_usec - 1000000;
759 callback->when.tv_sec += 1;
763 target_unregister_timer_callback(callback->callback, callback->priv);
767 callback = next_callback;
773 int target_call_timer_callbacks()
775 return target_call_timer_callbacks_check_time(1);
778 /* invoke periodic callbacks immediately */
779 int target_call_timer_callbacks_now()
781 return target_call_timer_callbacks(0);
784 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
786 working_area_t *c = target->working_areas;
787 working_area_t *new_wa = NULL;
789 /* Reevaluate working area address based on MMU state*/
790 if (target->working_areas == NULL)
794 retval = target->type->mmu(target, &enabled);
795 if (retval != ERROR_OK)
801 target->working_area = target->working_area_virt;
805 target->working_area = target->working_area_phys;
809 /* only allocate multiples of 4 byte */
812 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
813 size = CEIL(size, 4);
816 /* see if there's already a matching working area */
819 if ((c->free) && (c->size == size))
827 /* if not, allocate a new one */
830 working_area_t **p = &target->working_areas;
831 u32 first_free = target->working_area;
832 u32 free_size = target->working_area_size;
834 LOG_DEBUG("allocating new working area");
836 c = target->working_areas;
839 first_free += c->size;
840 free_size -= c->size;
845 if (free_size < size)
847 LOG_WARNING("not enough working area available(requested %d, free %d)", size, free_size);
848 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
851 new_wa = malloc(sizeof(working_area_t));
854 new_wa->address = first_free;
856 if (target->backup_working_area)
858 new_wa->backup = malloc(new_wa->size);
859 target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup);
863 new_wa->backup = NULL;
866 /* put new entry in list */
870 /* mark as used, and return the new (reused) area */
880 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
885 if (restore&&target->backup_working_area)
886 target->type->write_memory(target, area->address, 4, area->size / 4, area->backup);
890 /* mark user pointer invalid */
897 int target_free_working_area(struct target_s *target, working_area_t *area)
899 return target_free_working_area_restore(target, area, 1);
902 int target_free_all_working_areas_restore(struct target_s *target, int restore)
904 working_area_t *c = target->working_areas;
908 working_area_t *next = c->next;
909 target_free_working_area_restore(target, c, restore);
919 target->working_areas = NULL;
924 int target_free_all_working_areas(struct target_s *target)
926 return target_free_all_working_areas_restore(target, 1);
929 int target_register_commands(struct command_context_s *cmd_ctx)
931 register_command(cmd_ctx, NULL, "target", handle_target_command, COMMAND_CONFIG, "target <cpu> [reset_init default - DEPRECATED] <chainpos> <endianness> <variant> [cpu type specifc args]");
932 register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL);
933 register_command(cmd_ctx, NULL, "run_and_halt_time", handle_run_and_halt_time_command, COMMAND_CONFIG, "<target> <run time ms>");
934 register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_ANY, "working_area <target#> <address> <size> <'backup'|'nobackup'> [virtual address]");
935 register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "virt2phys <virtual address>");
936 register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "PRELIMINARY! - profile <seconds> <gmon.out>");
939 /* script procedures */
940 register_jim(cmd_ctx, "ocd_mem2array", jim_mem2array, "read memory and return as a TCL array for script processing");
941 register_jim(cmd_ctx, "ocd_array2mem", jim_array2mem, "convert a TCL array to memory locations and write the values");
945 int target_arch_state(struct target_s *target)
950 LOG_USER("No target has been configured");
954 LOG_USER("target state: %s", target_state_strings[target->state]);
956 if (target->state!=TARGET_HALTED)
959 retval=target->type->arch_state(target);
963 /* Single aligned words are guaranteed to use 16 or 32 bit access
964 * mode respectively, otherwise data is handled as quickly as
967 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
970 if (!target->type->examined)
972 LOG_ERROR("Target not examined yet");
976 LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
978 if (((address % 2) == 0) && (size == 2))
980 return target->type->write_memory(target, address, 2, 1, buffer);
983 /* handle unaligned head bytes */
986 int unaligned = 4 - (address % 4);
988 if (unaligned > size)
991 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
995 address += unaligned;
999 /* handle aligned words */
1002 int aligned = size - (size % 4);
1004 /* use bulk writes above a certain limit. This may have to be changed */
1007 if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1012 if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1021 /* handle tail writes of less than 4 bytes */
1024 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1032 /* Single aligned words are guaranteed to use 16 or 32 bit access
1033 * mode respectively, otherwise data is handled as quickly as
1036 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
1039 if (!target->type->examined)
1041 LOG_ERROR("Target not examined yet");
1045 LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
1047 if (((address % 2) == 0) && (size == 2))
1049 return target->type->read_memory(target, address, 2, 1, buffer);
1052 /* handle unaligned head bytes */
1055 int unaligned = 4 - (address % 4);
1057 if (unaligned > size)
1060 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1063 buffer += unaligned;
1064 address += unaligned;
1068 /* handle aligned words */
1071 int aligned = size - (size % 4);
1073 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1081 /* handle tail writes of less than 4 bytes */
1084 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1091 int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc)
1097 if (!target->type->examined)
1099 LOG_ERROR("Target not examined yet");
1103 if ((retval = target->type->checksum_memory(target, address,
1104 size, &checksum)) == ERROR_TARGET_RESOURCE_NOT_AVAILABLE)
1106 buffer = malloc(size);
1109 LOG_ERROR("error allocating buffer for section (%d bytes)", size);
1110 return ERROR_INVALID_ARGUMENTS;
1112 retval = target_read_buffer(target, address, size, buffer);
1113 if (retval != ERROR_OK)
1119 /* convert to target endianess */
1120 for (i = 0; i < (size/sizeof(u32)); i++)
1123 target_data = target_buffer_get_u32(target, &buffer[i*sizeof(u32)]);
1124 target_buffer_set_u32(target, &buffer[i*sizeof(u32)], target_data);
1127 retval = image_calculate_checksum( buffer, size, &checksum );
1136 int target_blank_check_memory(struct target_s *target, u32 address, u32 size, u32* blank)
1139 if (!target->type->examined)
1141 LOG_ERROR("Target not examined yet");
1145 if (target->type->blank_check_memory == 0)
1146 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1148 retval = target->type->blank_check_memory(target, address, size, blank);
1153 int target_read_u32(struct target_s *target, u32 address, u32 *value)
1156 if (!target->type->examined)
1158 LOG_ERROR("Target not examined yet");
1162 int retval = target->type->read_memory(target, address, 4, 1, value_buf);
1164 if (retval == ERROR_OK)
1166 *value = target_buffer_get_u32(target, value_buf);
1167 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
1172 LOG_DEBUG("address: 0x%8.8x failed", address);
1178 int target_read_u16(struct target_s *target, u32 address, u16 *value)
1181 if (!target->type->examined)
1183 LOG_ERROR("Target not examined yet");
1187 int retval = target->type->read_memory(target, address, 2, 1, value_buf);
1189 if (retval == ERROR_OK)
1191 *value = target_buffer_get_u16(target, value_buf);
1192 LOG_DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
1197 LOG_DEBUG("address: 0x%8.8x failed", address);
1203 int target_read_u8(struct target_s *target, u32 address, u8 *value)
1205 int retval = target->type->read_memory(target, address, 1, 1, value);
1206 if (!target->type->examined)
1208 LOG_ERROR("Target not examined yet");
1212 if (retval == ERROR_OK)
1214 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
1219 LOG_DEBUG("address: 0x%8.8x failed", address);
1225 int target_write_u32(struct target_s *target, u32 address, u32 value)
1229 if (!target->type->examined)
1231 LOG_ERROR("Target not examined yet");
1235 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1237 target_buffer_set_u32(target, value_buf, value);
1238 if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1240 LOG_DEBUG("failed: %i", retval);
1246 int target_write_u16(struct target_s *target, u32 address, u16 value)
1250 if (!target->type->examined)
1252 LOG_ERROR("Target not examined yet");
1256 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1258 target_buffer_set_u16(target, value_buf, value);
1259 if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1261 LOG_DEBUG("failed: %i", retval);
1267 int target_write_u8(struct target_s *target, u32 address, u8 value)
1270 if (!target->type->examined)
1272 LOG_ERROR("Target not examined yet");
1276 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
1278 if ((retval = target->type->read_memory(target, address, 1, 1, &value)) != ERROR_OK)
1280 LOG_DEBUG("failed: %i", retval);
1286 int target_register_user_commands(struct command_context_s *cmd_ctx)
1288 register_command(cmd_ctx, NULL, "reg", handle_reg_command, COMMAND_EXEC, NULL);
1289 register_command(cmd_ctx, NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1290 register_command(cmd_ctx, NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1291 register_command(cmd_ctx, NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1292 register_command(cmd_ctx, NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1293 register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1294 register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init|run_and_halt|run_and_init]");
1295 register_command(cmd_ctx, NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1297 register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
1298 register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
1299 register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
1301 register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value> [count]");
1302 register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value> [count]");
1303 register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value> [count]");
1305 register_command(cmd_ctx, NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
1306 register_command(cmd_ctx, NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
1307 register_command(cmd_ctx, NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
1308 register_command(cmd_ctx, NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
1310 register_command(cmd_ctx, NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex'|'elf'|'s19'] [min_address] [max_length]");
1311 register_command(cmd_ctx, NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1312 register_command(cmd_ctx, NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1314 target_request_register_commands(cmd_ctx);
1315 trace_register_commands(cmd_ctx);
1320 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1322 target_t *target = targets;
1327 int num = strtoul(args[0], NULL, 0);
1332 target = target->next;
1336 cmd_ctx->current_target = num;
1338 command_print(cmd_ctx, "%i is out of bounds, only %i targets are configured", num, count);
1345 command_print(cmd_ctx, "%i: %s (%s), state: %s", count++, target->type->name, target_endianess_strings[target->endianness], target_state_strings[target->state]);
1346 target = target->next;
1352 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1359 return ERROR_COMMAND_SYNTAX_ERROR;
1362 /* search for the specified target */
1363 if (args[0] && (args[0][0] != 0))
1365 for (i = 0; target_types[i]; i++)
1367 if (strcmp(args[0], target_types[i]->name) == 0)
1369 target_t **last_target_p = &targets;
1371 /* register target specific commands */
1372 if (target_types[i]->register_commands(cmd_ctx) != ERROR_OK)
1374 LOG_ERROR("couldn't register '%s' commands", args[0]);
1380 while ((*last_target_p)->next)
1381 last_target_p = &((*last_target_p)->next);
1382 last_target_p = &((*last_target_p)->next);
1385 *last_target_p = malloc(sizeof(target_t));
1387 /* allocate memory for each unique target type */
1388 (*last_target_p)->type = (target_type_t*)malloc(sizeof(target_type_t));
1389 *((*last_target_p)->type) = *target_types[i];
1391 if (strcmp(args[1], "big") == 0)
1392 (*last_target_p)->endianness = TARGET_BIG_ENDIAN;
1393 else if (strcmp(args[1], "little") == 0)
1394 (*last_target_p)->endianness = TARGET_LITTLE_ENDIAN;
1397 LOG_ERROR("endianness must be either 'little' or 'big', not '%s'", args[1]);
1398 return ERROR_COMMAND_SYNTAX_ERROR;
1401 if (strcmp(args[2], "reset_halt") == 0)
1403 LOG_WARNING("reset_mode argument is obsolete.");
1404 return ERROR_COMMAND_SYNTAX_ERROR;
1406 else if (strcmp(args[2], "reset_run") == 0)
1408 LOG_WARNING("reset_mode argument is obsolete.");
1409 return ERROR_COMMAND_SYNTAX_ERROR;
1411 else if (strcmp(args[2], "reset_init") == 0)
1413 LOG_WARNING("reset_mode argument is obsolete.");
1414 return ERROR_COMMAND_SYNTAX_ERROR;
1416 else if (strcmp(args[2], "run_and_halt") == 0)
1418 LOG_WARNING("reset_mode argument is obsolete.");
1419 return ERROR_COMMAND_SYNTAX_ERROR;
1421 else if (strcmp(args[2], "run_and_init") == 0)
1423 LOG_WARNING("reset_mode argument is obsolete.");
1424 return ERROR_COMMAND_SYNTAX_ERROR;
1428 /* Kludge! we want to make this reset arg optional while remaining compatible! */
1432 (*last_target_p)->run_and_halt_time = 1000; /* default 1s */
1434 (*last_target_p)->working_area = 0x0;
1435 (*last_target_p)->working_area_size = 0x0;
1436 (*last_target_p)->working_areas = NULL;
1437 (*last_target_p)->backup_working_area = 0;
1439 (*last_target_p)->state = TARGET_UNKNOWN;
1440 (*last_target_p)->debug_reason = DBG_REASON_UNDEFINED;
1441 (*last_target_p)->reg_cache = NULL;
1442 (*last_target_p)->breakpoints = NULL;
1443 (*last_target_p)->watchpoints = NULL;
1444 (*last_target_p)->next = NULL;
1445 (*last_target_p)->arch_info = NULL;
1447 /* initialize trace information */
1448 (*last_target_p)->trace_info = malloc(sizeof(trace_t));
1449 (*last_target_p)->trace_info->num_trace_points = 0;
1450 (*last_target_p)->trace_info->trace_points_size = 0;
1451 (*last_target_p)->trace_info->trace_points = NULL;
1452 (*last_target_p)->trace_info->trace_history_size = 0;
1453 (*last_target_p)->trace_info->trace_history = NULL;
1454 (*last_target_p)->trace_info->trace_history_pos = 0;
1455 (*last_target_p)->trace_info->trace_history_overflowed = 0;
1457 (*last_target_p)->dbgmsg = NULL;
1458 (*last_target_p)->dbg_msg_enabled = 0;
1460 (*last_target_p)->type->target_command(cmd_ctx, cmd, args, argc, *last_target_p);
1468 /* no matching target found */
1471 LOG_ERROR("target '%s' not found", args[0]);
1472 return ERROR_COMMAND_SYNTAX_ERROR;
1478 int target_invoke_script(struct command_context_s *cmd_ctx, target_t *target, char *name)
1480 return command_run_linef(cmd_ctx, " if {[catch {info body target_%d_%s} t]==0} {target_%d_%s}",
1481 get_num_by_target(target), name,
1482 get_num_by_target(target), name);
1485 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1487 target_t *target = NULL;
1491 return ERROR_COMMAND_SYNTAX_ERROR;
1494 target = get_target_by_num(strtoul(args[0], NULL, 0));
1497 return ERROR_COMMAND_SYNTAX_ERROR;
1500 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1505 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1507 target_t *target = NULL;
1509 if ((argc < 4) || (argc > 5))
1511 return ERROR_COMMAND_SYNTAX_ERROR;
1514 target = get_target_by_num(strtoul(args[0], NULL, 0));
1517 return ERROR_COMMAND_SYNTAX_ERROR;
1519 target_free_all_working_areas(target);
1521 target->working_area_phys = target->working_area_virt = strtoul(args[1], NULL, 0);
1524 target->working_area_virt = strtoul(args[4], NULL, 0);
1526 target->working_area_size = strtoul(args[2], NULL, 0);
1528 if (strcmp(args[3], "backup") == 0)
1530 target->backup_working_area = 1;
1532 else if (strcmp(args[3], "nobackup") == 0)
1534 target->backup_working_area = 0;
1538 LOG_ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
1539 return ERROR_COMMAND_SYNTAX_ERROR;
1546 /* process target state changes */
1547 int handle_target(void *priv)
1549 target_t *target = targets;
1553 if (target_continous_poll)
1555 /* polling may fail silently until the target has been examined */
1556 target_poll(target);
1559 target = target->next;
1565 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1574 target = get_current_target(cmd_ctx);
1576 /* list all available registers for the current target */
1579 reg_cache_t *cache = target->reg_cache;
1585 for (i = 0; i < cache->num_regs; i++)
1587 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1588 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);
1591 cache = cache->next;
1597 /* access a single register by its ordinal number */
1598 if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1600 int num = strtoul(args[0], NULL, 0);
1601 reg_cache_t *cache = target->reg_cache;
1607 for (i = 0; i < cache->num_regs; i++)
1611 reg = &cache->reg_list[i];
1617 cache = cache->next;
1622 command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1625 } else /* access a single register by its name */
1627 reg = register_get_by_name(target->reg_cache, args[0], 1);
1631 command_print(cmd_ctx, "register %s not found in current target", args[0]);
1636 /* display a register */
1637 if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1639 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1642 if (reg->valid == 0)
1644 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1645 if (arch_type == NULL)
1647 LOG_ERROR("BUG: encountered unregistered arch type");
1650 arch_type->get(reg);
1652 value = buf_to_str(reg->value, reg->size, 16);
1653 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1658 /* set register value */
1661 u8 *buf = malloc(CEIL(reg->size, 8));
1662 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1664 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1665 if (arch_type == NULL)
1667 LOG_ERROR("BUG: encountered unregistered arch type");
1671 arch_type->set(reg, buf);
1673 value = buf_to_str(reg->value, reg->size, 16);
1674 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1682 command_print(cmd_ctx, "usage: reg <#|name> [value]");
1688 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1690 target_t *target = get_current_target(cmd_ctx);
1694 target_poll(target);
1695 target_arch_state(target);
1699 if (strcmp(args[0], "on") == 0)
1701 target_continous_poll = 1;
1703 else if (strcmp(args[0], "off") == 0)
1705 target_continous_poll = 0;
1709 command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1717 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1725 ms = strtoul(args[0], &end, 0) * 1000;
1728 command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1732 target_t *target = get_current_target(cmd_ctx);
1734 return target_wait_state(target, TARGET_HALTED, ms);
1737 int target_wait_state(target_t *target, enum target_state state, int ms)
1740 struct timeval timeout, now;
1742 gettimeofday(&timeout, NULL);
1743 timeval_add_time(&timeout, 0, ms * 1000);
1747 if ((retval=target_poll(target))!=ERROR_OK)
1749 target_call_timer_callbacks_now();
1750 if (target->state == state)
1757 LOG_USER("waiting for target %s...", target_state_strings[state]);
1760 gettimeofday(&now, NULL);
1761 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
1763 LOG_ERROR("timed out while waiting for target %s", target_state_strings[state]);
1771 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1774 target_t *target = get_current_target(cmd_ctx);
1778 if ((retval = target_halt(target)) != ERROR_OK)
1783 return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1786 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1788 target_t *target = get_current_target(cmd_ctx);
1790 LOG_USER("requesting target halt and executing a soft reset");
1792 target->type->soft_reset_halt(target);
1797 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1799 target_t *target = get_current_target(cmd_ctx);
1800 enum target_reset_mode reset_mode = RESET_RUN;
1806 if (strcmp("run", args[0]) == 0)
1807 reset_mode = RESET_RUN;
1808 else if (strcmp("halt", args[0]) == 0)
1809 reset_mode = RESET_HALT;
1810 else if (strcmp("init", args[0]) == 0)
1811 reset_mode = RESET_INIT;
1812 else if (strcmp("run_and_halt", args[0]) == 0)
1814 reset_mode = RESET_RUN_AND_HALT;
1817 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1820 else if (strcmp("run_and_init", args[0]) == 0)
1822 reset_mode = RESET_RUN_AND_INIT;
1825 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1830 command_print(cmd_ctx, "usage: reset ['run', 'halt', 'init', 'run_and_halt', 'run_and_init]");
1835 /* reset *all* targets */
1836 target_process_reset(cmd_ctx, reset_mode);
1841 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1844 target_t *target = get_current_target(cmd_ctx);
1846 target_invoke_script(cmd_ctx, target, "pre_resume");
1849 retval = target_resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1851 retval = target_resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1854 return ERROR_COMMAND_SYNTAX_ERROR;
1860 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1862 target_t *target = get_current_target(cmd_ctx);
1867 target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1870 target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1875 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1877 const int line_bytecnt = 32;
1890 target_t *target = get_current_target(cmd_ctx);
1896 count = strtoul(args[1], NULL, 0);
1898 address = strtoul(args[0], NULL, 0);
1904 size = 4; line_modulo = line_bytecnt / 4;
1907 size = 2; line_modulo = line_bytecnt / 2;
1910 size = 1; line_modulo = line_bytecnt / 1;
1916 buffer = calloc(count, size);
1917 retval = target->type->read_memory(target, address, size, count, buffer);
1918 if (retval == ERROR_OK)
1922 for (i = 0; i < count; i++)
1924 if (i%line_modulo == 0)
1925 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1930 output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1933 output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1936 output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1940 if ((i%line_modulo == line_modulo-1) || (i == count - 1))
1942 command_print(cmd_ctx, output);
1953 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1960 target_t *target = get_current_target(cmd_ctx);
1963 if ((argc < 2) || (argc > 3))
1964 return ERROR_COMMAND_SYNTAX_ERROR;
1966 address = strtoul(args[0], NULL, 0);
1967 value = strtoul(args[1], NULL, 0);
1969 count = strtoul(args[2], NULL, 0);
1975 target_buffer_set_u32(target, value_buf, value);
1979 target_buffer_set_u16(target, value_buf, value);
1983 value_buf[0] = value;
1986 return ERROR_COMMAND_SYNTAX_ERROR;
1988 for (i=0; i<count; i++)
1994 retval = target->type->write_memory(target, address + i*wordsize, 4, 1, value_buf);
1997 retval = target->type->write_memory(target, address + i*wordsize, 2, 1, value_buf);
2000 retval = target->type->write_memory(target, address + i*wordsize, 1, 1, value_buf);
2005 if (retval!=ERROR_OK)
2015 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2021 u32 max_address=0xffffffff;
2027 duration_t duration;
2028 char *duration_text;
2030 target_t *target = get_current_target(cmd_ctx);
2032 if ((argc < 1)||(argc > 5))
2034 return ERROR_COMMAND_SYNTAX_ERROR;
2037 /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
2040 image.base_address_set = 1;
2041 image.base_address = strtoul(args[1], NULL, 0);
2045 image.base_address_set = 0;
2049 image.start_address_set = 0;
2053 min_address=strtoul(args[3], NULL, 0);
2057 max_address=strtoul(args[4], NULL, 0)+min_address;
2060 if (min_address>max_address)
2062 return ERROR_COMMAND_SYNTAX_ERROR;
2066 duration_start_measure(&duration);
2068 if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2075 for (i = 0; i < image.num_sections; i++)
2077 buffer = malloc(image.sections[i].size);
2080 command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2084 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2094 /* DANGER!!! beware of unsigned comparision here!!! */
2096 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
2097 (image.sections[i].base_address<max_address))
2099 if (image.sections[i].base_address<min_address)
2101 /* clip addresses below */
2102 offset+=min_address-image.sections[i].base_address;
2106 if (image.sections[i].base_address+buf_cnt>max_address)
2108 length-=(image.sections[i].base_address+buf_cnt)-max_address;
2111 if ((retval = target_write_buffer(target, image.sections[i].base_address+offset, length, buffer+offset)) != ERROR_OK)
2116 image_size += length;
2117 command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
2123 duration_stop_measure(&duration, &duration_text);
2124 if (retval==ERROR_OK)
2126 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
2128 free(duration_text);
2130 image_close(&image);
2136 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2143 int retval=ERROR_OK;
2145 duration_t duration;
2146 char *duration_text;
2148 target_t *target = get_current_target(cmd_ctx);
2152 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2156 address = strtoul(args[1], NULL, 0);
2157 size = strtoul(args[2], NULL, 0);
2159 if ((address & 3) || (size & 3))
2161 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
2165 if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2170 duration_start_measure(&duration);
2175 u32 this_run_size = (size > 560) ? 560 : size;
2177 retval = target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
2178 if (retval != ERROR_OK)
2183 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2184 if (retval != ERROR_OK)
2189 size -= this_run_size;
2190 address += this_run_size;
2193 fileio_close(&fileio);
2195 duration_stop_measure(&duration, &duration_text);
2196 if (retval==ERROR_OK)
2198 command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
2200 free(duration_text);
2205 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2213 u32 mem_checksum = 0;
2217 duration_t duration;
2218 char *duration_text;
2220 target_t *target = get_current_target(cmd_ctx);
2224 return ERROR_COMMAND_SYNTAX_ERROR;
2229 LOG_ERROR("no target selected");
2233 duration_start_measure(&duration);
2237 image.base_address_set = 1;
2238 image.base_address = strtoul(args[1], NULL, 0);
2242 image.base_address_set = 0;
2243 image.base_address = 0x0;
2246 image.start_address_set = 0;
2248 if ((retval=image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2255 for (i = 0; i < image.num_sections; i++)
2257 buffer = malloc(image.sections[i].size);
2260 command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2263 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2269 /* calculate checksum of image */
2270 image_calculate_checksum( buffer, buf_cnt, &checksum );
2272 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2273 if( retval != ERROR_OK )
2279 if( checksum != mem_checksum )
2281 /* failed crc checksum, fall back to a binary compare */
2284 command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2286 data = (u8*)malloc(buf_cnt);
2288 /* Can we use 32bit word accesses? */
2290 int count = buf_cnt;
2291 if ((count % 4) == 0)
2296 retval = target->type->read_memory(target, image.sections[i].base_address, size, count, data);
2297 if (retval == ERROR_OK)
2300 for (t = 0; t < buf_cnt; t++)
2302 if (data[t] != buffer[t])
2304 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]);
2317 image_size += buf_cnt;
2320 duration_stop_measure(&duration, &duration_text);
2321 if (retval==ERROR_OK)
2323 command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2325 free(duration_text);
2327 image_close(&image);
2332 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2335 target_t *target = get_current_target(cmd_ctx);
2339 breakpoint_t *breakpoint = target->breakpoints;
2343 if (breakpoint->type == BKPT_SOFT)
2345 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
2346 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
2351 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
2353 breakpoint = breakpoint->next;
2361 length = strtoul(args[1], NULL, 0);
2364 if (strcmp(args[2], "hw") == 0)
2367 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
2369 LOG_ERROR("Failure setting breakpoints");
2373 command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
2378 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2384 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2386 target_t *target = get_current_target(cmd_ctx);
2389 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2394 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2396 target_t *target = get_current_target(cmd_ctx);
2401 watchpoint_t *watchpoint = target->watchpoints;
2405 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);
2406 watchpoint = watchpoint->next;
2411 enum watchpoint_rw type = WPT_ACCESS;
2412 u32 data_value = 0x0;
2413 u32 data_mask = 0xffffffff;
2429 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2435 data_value = strtoul(args[3], NULL, 0);
2439 data_mask = strtoul(args[4], NULL, 0);
2442 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2443 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2445 LOG_ERROR("Failure setting breakpoints");
2450 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2456 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2458 target_t *target = get_current_target(cmd_ctx);
2461 watchpoint_remove(target, strtoul(args[0], NULL, 0));
2466 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
2469 target_t *target = get_current_target(cmd_ctx);
2475 return ERROR_COMMAND_SYNTAX_ERROR;
2477 va = strtoul(args[0], NULL, 0);
2479 retval = target->type->virt2phys(target, va, &pa);
2480 if (retval == ERROR_OK)
2482 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2486 /* lower levels will have logged a detailed error which is
2487 * forwarded to telnet/GDB session.
2492 static void writeLong(FILE *f, int l)
2497 char c=(l>>(i*8))&0xff;
2498 fwrite(&c, 1, 1, f);
2502 static void writeString(FILE *f, char *s)
2504 fwrite(s, 1, strlen(s), f);
2509 // Dump a gmon.out histogram file.
2510 static void writeGmon(u32 *samples, int sampleNum, char *filename)
2513 FILE *f=fopen(filename, "w");
2516 fwrite("gmon", 1, 4, f);
2517 writeLong(f, 0x00000001); // Version
2518 writeLong(f, 0); // padding
2519 writeLong(f, 0); // padding
2520 writeLong(f, 0); // padding
2522 fwrite("", 1, 1, f); // GMON_TAG_TIME_HIST
2524 // figure out bucket size
2527 for (i=0; i<sampleNum; i++)
2539 int addressSpace=(max-min+1);
2541 static int const maxBuckets=256*1024; // maximum buckets.
2542 int length=addressSpace;
2543 if (length > maxBuckets)
2547 int *buckets=malloc(sizeof(int)*length);
2553 memset(buckets, 0, sizeof(int)*length);
2554 for (i=0; i<sampleNum;i++)
2556 u32 address=samples[i];
2557 long long a=address-min;
2558 long long b=length-1;
2559 long long c=addressSpace-1;
2560 int index=(a*b)/c; // danger!!!! int32 overflows
2564 // append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr))
2565 writeLong(f, min); // low_pc
2566 writeLong(f, max); // high_pc
2567 writeLong(f, length); // # of samples
2568 writeLong(f, 64000000); // 64MHz
2569 writeString(f, "seconds");
2570 for (i=0; i<(15-strlen("seconds")); i++)
2572 fwrite("", 1, 1, f); // padding
2574 writeString(f, "s");
2576 // append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size)
2578 char *data=malloc(2*length);
2581 for (i=0; i<length;i++)
2590 data[i*2+1]=(val>>8)&0xff;
2593 fwrite(data, 1, length*2, f);
2603 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
2604 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2606 target_t *target = get_current_target(cmd_ctx);
2607 struct timeval timeout, now;
2609 gettimeofday(&timeout, NULL);
2612 return ERROR_COMMAND_SYNTAX_ERROR;
2615 timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
2621 command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
2623 static const int maxSample=10000;
2624 u32 *samples=malloc(sizeof(u32)*maxSample);
2629 int retval=ERROR_OK;
2630 // hopefully it is safe to cache! We want to stop/restart as quickly as possible.
2631 reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
2635 target_poll(target);
2636 if (target->state == TARGET_HALTED)
2638 u32 t=*((u32 *)reg->value);
2639 samples[numSamples++]=t;
2640 retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2641 target_poll(target);
2642 usleep(10*1000); // sleep 10ms, i.e. <100 samples/second.
2643 } else if (target->state == TARGET_RUNNING)
2645 // We want to quickly sample the PC.
2646 target_halt(target);
2649 command_print(cmd_ctx, "Target not halted or running");
2653 if (retval!=ERROR_OK)
2658 gettimeofday(&now, NULL);
2659 if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
2661 command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
2662 target_poll(target);
2663 if (target->state == TARGET_HALTED)
2665 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2667 target_poll(target);
2668 writeGmon(samples, numSamples, args[1]);
2669 command_print(cmd_ctx, "Wrote %s", args[1]);
2678 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 val)
2681 Jim_Obj *nameObjPtr, *valObjPtr;
2684 namebuf = alloc_printf("%s(%d)", varname, idx);
2688 nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2689 valObjPtr = Jim_NewIntObj(interp, val);
2690 if (!nameObjPtr || !valObjPtr)
2696 Jim_IncrRefCount(nameObjPtr);
2697 Jim_IncrRefCount(valObjPtr);
2698 result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
2699 Jim_DecrRefCount(interp, nameObjPtr);
2700 Jim_DecrRefCount(interp, valObjPtr);
2702 /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
2706 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2709 command_context_t *context;
2716 const char *varname;
2718 int i, n, e, retval;
2720 /* argv[1] = name of array to receive the data
2721 * argv[2] = desired width
2722 * argv[3] = memory address
2723 * argv[4] = count of times to read
2726 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2729 varname = Jim_GetString(argv[1], &len);
2730 /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2732 e = Jim_GetLong(interp, argv[2], &l);
2738 e = Jim_GetLong(interp, argv[3], &l);
2743 e = Jim_GetLong(interp, argv[4], &l);
2759 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2760 Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2764 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2765 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
2768 if ((addr + (len * width)) < addr) {
2769 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2770 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
2773 /* absurd transfer size? */
2775 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2776 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
2781 ((width == 2) && ((addr & 1) == 0)) ||
2782 ((width == 4) && ((addr & 3) == 0))) {
2786 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2787 sprintf(buf, "mem2array address: 0x%08x is not aligned for %d byte reads", addr, width);
2788 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2792 context = Jim_GetAssocData(interp, "context");
2793 if (context == NULL)
2795 LOG_ERROR("mem2array: no command context");
2798 target = get_current_target(context);
2801 LOG_ERROR("mem2array: no current target");
2812 /* Slurp... in buffer size chunks */
2814 count = len; /* in objects.. */
2815 if (count > (sizeof(buffer)/width)) {
2816 count = (sizeof(buffer)/width);
2819 retval = target->type->read_memory( target, addr, width, count, buffer );
2820 if (retval != ERROR_OK) {
2822 LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
2823 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2824 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
2828 v = 0; /* shut up gcc */
2829 for (i = 0 ;i < count ;i++, n++) {
2832 v = target_buffer_get_u32(target, &buffer[i*width]);
2835 v = target_buffer_get_u16(target, &buffer[i*width]);
2838 v = buffer[i] & 0x0ff;
2841 new_int_array_element(interp, varname, n, v);
2847 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2852 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 *val)
2855 Jim_Obj *nameObjPtr, *valObjPtr;
2859 namebuf = alloc_printf("%s(%d)", varname, idx);
2863 nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2870 Jim_IncrRefCount(nameObjPtr);
2871 valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
2872 Jim_DecrRefCount(interp, nameObjPtr);
2874 if (valObjPtr == NULL)
2877 result = Jim_GetLong(interp, valObjPtr, &l);
2878 /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
2883 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2886 command_context_t *context;
2893 const char *varname;
2895 int i, n, e, retval;
2897 /* argv[1] = name of array to get the data
2898 * argv[2] = desired width
2899 * argv[3] = memory address
2900 * argv[4] = count to write
2903 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2906 varname = Jim_GetString(argv[1], &len);
2907 /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2909 e = Jim_GetLong(interp, argv[2], &l);
2915 e = Jim_GetLong(interp, argv[3], &l);
2920 e = Jim_GetLong(interp, argv[4], &l);
2936 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2937 Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2941 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2942 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
2945 if ((addr + (len * width)) < addr) {
2946 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2947 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
2950 /* absurd transfer size? */
2952 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2953 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
2958 ((width == 2) && ((addr & 1) == 0)) ||
2959 ((width == 4) && ((addr & 3) == 0))) {
2963 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2964 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads", addr, width);
2965 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2969 context = Jim_GetAssocData(interp, "context");
2970 if (context == NULL)
2972 LOG_ERROR("array2mem: no command context");
2975 target = get_current_target(context);
2978 LOG_ERROR("array2mem: no current target");
2989 /* Slurp... in buffer size chunks */
2991 count = len; /* in objects.. */
2992 if (count > (sizeof(buffer)/width)) {
2993 count = (sizeof(buffer)/width);
2996 v = 0; /* shut up gcc */
2997 for (i = 0 ;i < count ;i++, n++) {
2998 get_int_array_element(interp, varname, n, &v);
3001 target_buffer_set_u32(target, &buffer[i*width], v);
3004 target_buffer_set_u16(target, &buffer[i*width], v);
3007 buffer[i] = v & 0x0ff;
3013 retval = target->type->write_memory(target, addr, width, count, buffer);
3014 if (retval != ERROR_OK) {
3016 LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
3017 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3018 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
3024 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));