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;
95 extern target_type_t mips_m4k_target;
97 target_type_t *target_types[] =
113 target_t *targets = NULL;
114 target_event_callback_t *target_event_callbacks = NULL;
115 target_timer_callback_t *target_timer_callbacks = NULL;
117 char *target_state_strings[] =
126 char *target_debug_reason_strings[] =
128 "debug request", "breakpoint", "watchpoint",
129 "watchpoint and breakpoint", "single step",
130 "target not halted", "undefined"
133 char *target_endianess_strings[] =
139 static int target_continous_poll = 1;
141 /* read a u32 from a buffer in target memory endianness */
142 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
144 if (target->endianness == TARGET_LITTLE_ENDIAN)
145 return le_to_h_u32(buffer);
147 return be_to_h_u32(buffer);
150 /* read a u16 from a buffer in target memory endianness */
151 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
153 if (target->endianness == TARGET_LITTLE_ENDIAN)
154 return le_to_h_u16(buffer);
156 return be_to_h_u16(buffer);
159 /* write a u32 to a buffer in target memory endianness */
160 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
162 if (target->endianness == TARGET_LITTLE_ENDIAN)
163 h_u32_to_le(buffer, value);
165 h_u32_to_be(buffer, value);
168 /* write a u16 to a buffer in target memory endianness */
169 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
171 if (target->endianness == TARGET_LITTLE_ENDIAN)
172 h_u16_to_le(buffer, value);
174 h_u16_to_be(buffer, value);
177 /* returns a pointer to the n-th configured target */
178 target_t* get_target_by_num(int num)
180 target_t *target = targets;
187 target = target->next;
194 int get_num_by_target(target_t *query_target)
196 target_t *target = targets;
201 if (target == query_target)
203 target = target->next;
210 target_t* get_current_target(command_context_t *cmd_ctx)
212 target_t *target = get_target_by_num(cmd_ctx->current_target);
216 LOG_ERROR("BUG: current_target out of bounds");
223 /* Process target initialization, when target entered debug out of reset
224 * the handler is unregistered at the end of this function, so it's only called once
226 int target_init_handler(struct target_s *target, enum target_event event, void *priv)
228 struct command_context_s *cmd_ctx = priv;
230 if (event == TARGET_EVENT_HALTED)
232 target_unregister_event_callback(target_init_handler, priv);
233 target_invoke_script(cmd_ctx, target, "post_reset");
234 jtag_execute_queue();
240 int target_run_and_halt_handler(void *priv)
242 target_t *target = priv;
249 int target_poll(struct target_s *target)
251 /* We can't poll until after examine */
252 if (!target->type->examined)
254 /* Fail silently lest we pollute the log */
257 return target->type->poll(target);
260 int target_halt(struct target_s *target)
262 /* We can't poll until after examine */
263 if (!target->type->examined)
265 LOG_ERROR("Target not examined yet");
268 return target->type->halt(target);
271 int target_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution)
275 /* We can't poll until after examine */
276 if (!target->type->examined)
278 LOG_ERROR("Target not examined yet");
282 /* note that resume *must* be asynchronous. The CPU can halt before we poll. The CPU can
283 * even halt at the current PC as a result of a software breakpoint being inserted by (a bug?)
286 if ((retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution)) != ERROR_OK)
292 int target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
294 int retval = ERROR_OK;
296 struct timeval timeout, now;
301 target_invoke_script(cmd_ctx, target, "pre_reset");
302 target = target->next;
305 if ((retval = jtag_init_reset(cmd_ctx)) != ERROR_OK)
308 keep_alive(); /* we might be running on a very slow JTAG clk */
310 /* First time this is executed after launching OpenOCD, it will read out
311 * the type of CPU, etc. and init Embedded ICE registers in host
314 * It will also set up ICE registers in the target.
316 * However, if we assert TRST later, we need to set up the registers again.
318 * For the "reset halt/init" case we must only set up the registers here.
320 if ((retval = target_examine(cmd_ctx)) != ERROR_OK)
323 keep_alive(); /* we might be running on a very slow JTAG clk */
328 /* we have no idea what state the target is in, so we
329 * have to drop working areas
331 target_free_all_working_areas_restore(target, 0);
332 target->reset_halt=((reset_mode==RESET_HALT)||(reset_mode==RESET_INIT));
333 target->type->assert_reset(target);
334 target = target->next;
336 if ((retval = jtag_execute_queue()) != ERROR_OK)
338 LOG_WARNING("JTAG communication failed asserting reset.");
342 /* request target halt if necessary, and schedule further action */
349 /* nothing to do if target just wants to be run */
351 case RESET_RUN_AND_HALT:
353 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
355 case RESET_RUN_AND_INIT:
357 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
358 target_register_event_callback(target_init_handler, cmd_ctx);
361 if ((jtag_reset_config & RESET_SRST_PULLS_TRST)==0)
365 if ((jtag_reset_config & RESET_SRST_PULLS_TRST)==0)
367 target_register_event_callback(target_init_handler, cmd_ctx);
370 LOG_ERROR("BUG: unknown target->reset_mode");
372 target = target->next;
375 if ((retval = jtag_execute_queue()) != ERROR_OK)
377 LOG_WARNING("JTAG communication failed while reset was asserted. Consider using srst_only for reset_config.");
384 target->type->deassert_reset(target);
385 /* We can fail to bring the target into the halted state */
387 if (target->reset_halt&&((target->state != TARGET_HALTED)))
389 LOG_WARNING("Failed to reset target into halted mode - issuing halt");
390 target->type->halt(target);
393 target = target->next;
396 if ((retval = jtag_execute_queue()) != ERROR_OK)
398 LOG_WARNING("JTAG communication failed while deasserting reset.");
402 if (jtag_reset_config & RESET_SRST_PULLS_TRST)
404 /* If TRST was asserted we need to set up registers again */
405 if ((retval = target_examine(cmd_ctx)) != ERROR_OK)
409 LOG_DEBUG("Waiting for halted stated as appropriate");
411 /* Wait for reset to complete, maximum 5 seconds. */
412 gettimeofday(&timeout, NULL);
413 timeval_add_time(&timeout, 5, 0);
416 gettimeofday(&now, NULL);
418 target_call_timer_callbacks_now();
423 LOG_DEBUG("Polling target");
425 if ((reset_mode == RESET_RUN_AND_INIT) ||
426 (reset_mode == RESET_RUN_AND_HALT) ||
427 (reset_mode == RESET_HALT) ||
428 (reset_mode == RESET_INIT))
430 if (target->state != TARGET_HALTED)
432 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
434 LOG_USER("Timed out waiting for halt after reset");
437 /* this will send alive messages on e.g. GDB remote protocol. */
439 LOG_USER_N("%s", ""); /* avoid warning about zero length formatting message*/
443 target = target->next;
445 /* All targets we're waiting for are halted */
453 /* We want any events to be processed before the prompt */
454 target_call_timer_callbacks_now();
456 /* if we timed out we need to unregister these handlers */
460 target_unregister_timer_callback(target_run_and_halt_handler, target);
461 target = target->next;
463 target_unregister_event_callback(target_init_handler, cmd_ctx);
468 static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
474 static int default_mmu(struct target_s *target, int *enabled)
480 static int default_examine(struct command_context_s *cmd_ctx, struct target_s *target)
482 target->type->examined = 1;
487 /* Targets that correctly implement init+examine, i.e.
488 * no communication with target during init:
492 int target_examine(struct command_context_s *cmd_ctx)
494 int retval = ERROR_OK;
495 target_t *target = targets;
498 if ((retval = target->type->examine(cmd_ctx, target))!=ERROR_OK)
500 target = target->next;
505 static int target_write_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
507 if (!target->type->examined)
509 LOG_ERROR("Target not examined yet");
512 return target->type->write_memory_imp(target, address, size, count, buffer);
515 static int target_read_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
517 if (!target->type->examined)
519 LOG_ERROR("Target not examined yet");
522 return target->type->read_memory_imp(target, address, size, count, buffer);
525 static int target_soft_reset_halt_imp(struct target_s *target)
527 if (!target->type->examined)
529 LOG_ERROR("Target not examined yet");
532 return target->type->soft_reset_halt_imp(target);
535 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)
537 if (!target->type->examined)
539 LOG_ERROR("Target not examined yet");
542 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);
545 int target_init(struct command_context_s *cmd_ctx)
547 target_t *target = targets;
551 target->type->examined = 0;
552 if (target->type->examine == NULL)
554 target->type->examine = default_examine;
557 if (target->type->init_target(cmd_ctx, target) != ERROR_OK)
559 LOG_ERROR("target '%s' init failed", target->type->name);
563 /* Set up default functions if none are provided by target */
564 if (target->type->virt2phys == NULL)
566 target->type->virt2phys = default_virt2phys;
568 target->type->virt2phys = default_virt2phys;
569 /* a non-invasive way(in terms of patches) to add some code that
570 * runs before the type->write/read_memory implementation
572 target->type->write_memory_imp = target->type->write_memory;
573 target->type->write_memory = target_write_memory_imp;
574 target->type->read_memory_imp = target->type->read_memory;
575 target->type->read_memory = target_read_memory_imp;
576 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
577 target->type->soft_reset_halt = target_soft_reset_halt_imp;
578 target->type->run_algorithm_imp = target->type->run_algorithm;
579 target->type->run_algorithm = target_run_algorithm_imp;
582 if (target->type->mmu == NULL)
584 target->type->mmu = default_mmu;
586 target = target->next;
591 target_register_user_commands(cmd_ctx);
592 target_register_timer_callback(handle_target, 100, 1, NULL);
598 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
600 target_event_callback_t **callbacks_p = &target_event_callbacks;
602 if (callback == NULL)
604 return ERROR_INVALID_ARGUMENTS;
609 while ((*callbacks_p)->next)
610 callbacks_p = &((*callbacks_p)->next);
611 callbacks_p = &((*callbacks_p)->next);
614 (*callbacks_p) = malloc(sizeof(target_event_callback_t));
615 (*callbacks_p)->callback = callback;
616 (*callbacks_p)->priv = priv;
617 (*callbacks_p)->next = NULL;
622 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
624 target_timer_callback_t **callbacks_p = &target_timer_callbacks;
627 if (callback == NULL)
629 return ERROR_INVALID_ARGUMENTS;
634 while ((*callbacks_p)->next)
635 callbacks_p = &((*callbacks_p)->next);
636 callbacks_p = &((*callbacks_p)->next);
639 (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
640 (*callbacks_p)->callback = callback;
641 (*callbacks_p)->periodic = periodic;
642 (*callbacks_p)->time_ms = time_ms;
644 gettimeofday(&now, NULL);
645 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
646 time_ms -= (time_ms % 1000);
647 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
648 if ((*callbacks_p)->when.tv_usec > 1000000)
650 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
651 (*callbacks_p)->when.tv_sec += 1;
654 (*callbacks_p)->priv = priv;
655 (*callbacks_p)->next = NULL;
660 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
662 target_event_callback_t **p = &target_event_callbacks;
663 target_event_callback_t *c = target_event_callbacks;
665 if (callback == NULL)
667 return ERROR_INVALID_ARGUMENTS;
672 target_event_callback_t *next = c->next;
673 if ((c->callback == callback) && (c->priv == priv))
687 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
689 target_timer_callback_t **p = &target_timer_callbacks;
690 target_timer_callback_t *c = target_timer_callbacks;
692 if (callback == NULL)
694 return ERROR_INVALID_ARGUMENTS;
699 target_timer_callback_t *next = c->next;
700 if ((c->callback == callback) && (c->priv == priv))
714 int target_call_event_callbacks(target_t *target, enum target_event event)
716 target_event_callback_t *callback = target_event_callbacks;
717 target_event_callback_t *next_callback;
719 LOG_DEBUG("target event %i", event);
723 next_callback = callback->next;
724 callback->callback(target, event, callback->priv);
725 callback = next_callback;
731 static int target_call_timer_callbacks_check_time(int checktime)
733 target_timer_callback_t *callback = target_timer_callbacks;
734 target_timer_callback_t *next_callback;
739 gettimeofday(&now, NULL);
743 next_callback = callback->next;
745 if ((!checktime&&callback->periodic)||
746 (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
747 || (now.tv_sec > callback->when.tv_sec)))
749 if(callback->callback != NULL)
751 callback->callback(callback->priv);
752 if (callback->periodic)
754 int time_ms = callback->time_ms;
755 callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
756 time_ms -= (time_ms % 1000);
757 callback->when.tv_sec = now.tv_sec + time_ms / 1000;
758 if (callback->when.tv_usec > 1000000)
760 callback->when.tv_usec = callback->when.tv_usec - 1000000;
761 callback->when.tv_sec += 1;
765 target_unregister_timer_callback(callback->callback, callback->priv);
769 callback = next_callback;
775 int target_call_timer_callbacks()
777 return target_call_timer_callbacks_check_time(1);
780 /* invoke periodic callbacks immediately */
781 int target_call_timer_callbacks_now()
783 return target_call_timer_callbacks(0);
786 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
788 working_area_t *c = target->working_areas;
789 working_area_t *new_wa = NULL;
791 /* Reevaluate working area address based on MMU state*/
792 if (target->working_areas == NULL)
796 retval = target->type->mmu(target, &enabled);
797 if (retval != ERROR_OK)
803 target->working_area = target->working_area_virt;
807 target->working_area = target->working_area_phys;
811 /* only allocate multiples of 4 byte */
814 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
815 size = CEIL(size, 4);
818 /* see if there's already a matching working area */
821 if ((c->free) && (c->size == size))
829 /* if not, allocate a new one */
832 working_area_t **p = &target->working_areas;
833 u32 first_free = target->working_area;
834 u32 free_size = target->working_area_size;
836 LOG_DEBUG("allocating new working area");
838 c = target->working_areas;
841 first_free += c->size;
842 free_size -= c->size;
847 if (free_size < size)
849 LOG_WARNING("not enough working area available(requested %d, free %d)", size, free_size);
850 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
853 new_wa = malloc(sizeof(working_area_t));
856 new_wa->address = first_free;
858 if (target->backup_working_area)
860 new_wa->backup = malloc(new_wa->size);
861 target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup);
865 new_wa->backup = NULL;
868 /* put new entry in list */
872 /* mark as used, and return the new (reused) area */
882 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
887 if (restore&&target->backup_working_area)
888 target->type->write_memory(target, area->address, 4, area->size / 4, area->backup);
892 /* mark user pointer invalid */
899 int target_free_working_area(struct target_s *target, working_area_t *area)
901 return target_free_working_area_restore(target, area, 1);
904 int target_free_all_working_areas_restore(struct target_s *target, int restore)
906 working_area_t *c = target->working_areas;
910 working_area_t *next = c->next;
911 target_free_working_area_restore(target, c, restore);
921 target->working_areas = NULL;
926 int target_free_all_working_areas(struct target_s *target)
928 return target_free_all_working_areas_restore(target, 1);
931 int target_register_commands(struct command_context_s *cmd_ctx)
933 register_command(cmd_ctx, NULL, "target", handle_target_command, COMMAND_CONFIG, "target <cpu> [reset_init default - DEPRECATED] <chainpos> <endianness> <variant> [cpu type specifc args]");
934 register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL);
935 register_command(cmd_ctx, NULL, "run_and_halt_time", handle_run_and_halt_time_command, COMMAND_CONFIG, "<target> <run time ms>");
936 register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_ANY, "working_area <target#> <address> <size> <'backup'|'nobackup'> [virtual address]");
937 register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "virt2phys <virtual address>");
938 register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "PRELIMINARY! - profile <seconds> <gmon.out>");
941 /* script procedures */
942 register_jim(cmd_ctx, "ocd_mem2array", jim_mem2array, "read memory and return as a TCL array for script processing");
943 register_jim(cmd_ctx, "ocd_array2mem", jim_array2mem, "convert a TCL array to memory locations and write the values");
947 int target_arch_state(struct target_s *target)
952 LOG_USER("No target has been configured");
956 LOG_USER("target state: %s", target_state_strings[target->state]);
958 if (target->state!=TARGET_HALTED)
961 retval=target->type->arch_state(target);
965 /* Single aligned words are guaranteed to use 16 or 32 bit access
966 * mode respectively, otherwise data is handled as quickly as
969 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
972 LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
974 if (!target->type->examined)
976 LOG_ERROR("Target not examined yet");
980 if (address+size<address)
982 /* GDB can request this when e.g. PC is 0xfffffffc*/
983 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
987 if (((address % 2) == 0) && (size == 2))
989 return target->type->write_memory(target, address, 2, 1, buffer);
992 /* handle unaligned head bytes */
995 int unaligned = 4 - (address % 4);
997 if (unaligned > size)
1000 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1003 buffer += unaligned;
1004 address += unaligned;
1008 /* handle aligned words */
1011 int aligned = size - (size % 4);
1013 /* use bulk writes above a certain limit. This may have to be changed */
1016 if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1021 if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1030 /* handle tail writes of less than 4 bytes */
1033 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1041 /* Single aligned words are guaranteed to use 16 or 32 bit access
1042 * mode respectively, otherwise data is handled as quickly as
1045 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
1048 LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
1050 if (!target->type->examined)
1052 LOG_ERROR("Target not examined yet");
1056 if (address+size<address)
1058 /* GDB can request this when e.g. PC is 0xfffffffc*/
1059 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
1063 if (((address % 2) == 0) && (size == 2))
1065 return target->type->read_memory(target, address, 2, 1, buffer);
1068 /* handle unaligned head bytes */
1071 int unaligned = 4 - (address % 4);
1073 if (unaligned > size)
1076 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1079 buffer += unaligned;
1080 address += unaligned;
1084 /* handle aligned words */
1087 int aligned = size - (size % 4);
1089 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1097 /* handle tail writes of less than 4 bytes */
1100 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1107 int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc)
1113 if (!target->type->examined)
1115 LOG_ERROR("Target not examined yet");
1119 if ((retval = target->type->checksum_memory(target, address,
1120 size, &checksum)) == ERROR_TARGET_RESOURCE_NOT_AVAILABLE)
1122 buffer = malloc(size);
1125 LOG_ERROR("error allocating buffer for section (%d bytes)", size);
1126 return ERROR_INVALID_ARGUMENTS;
1128 retval = target_read_buffer(target, address, size, buffer);
1129 if (retval != ERROR_OK)
1135 /* convert to target endianess */
1136 for (i = 0; i < (size/sizeof(u32)); i++)
1139 target_data = target_buffer_get_u32(target, &buffer[i*sizeof(u32)]);
1140 target_buffer_set_u32(target, &buffer[i*sizeof(u32)], target_data);
1143 retval = image_calculate_checksum( buffer, size, &checksum );
1152 int target_blank_check_memory(struct target_s *target, u32 address, u32 size, u32* blank)
1155 if (!target->type->examined)
1157 LOG_ERROR("Target not examined yet");
1161 if (target->type->blank_check_memory == 0)
1162 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1164 retval = target->type->blank_check_memory(target, address, size, blank);
1169 int target_read_u32(struct target_s *target, u32 address, u32 *value)
1172 if (!target->type->examined)
1174 LOG_ERROR("Target not examined yet");
1178 int retval = target->type->read_memory(target, address, 4, 1, value_buf);
1180 if (retval == ERROR_OK)
1182 *value = target_buffer_get_u32(target, value_buf);
1183 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
1188 LOG_DEBUG("address: 0x%8.8x failed", address);
1194 int target_read_u16(struct target_s *target, u32 address, u16 *value)
1197 if (!target->type->examined)
1199 LOG_ERROR("Target not examined yet");
1203 int retval = target->type->read_memory(target, address, 2, 1, value_buf);
1205 if (retval == ERROR_OK)
1207 *value = target_buffer_get_u16(target, value_buf);
1208 LOG_DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
1213 LOG_DEBUG("address: 0x%8.8x failed", address);
1219 int target_read_u8(struct target_s *target, u32 address, u8 *value)
1221 int retval = target->type->read_memory(target, address, 1, 1, value);
1222 if (!target->type->examined)
1224 LOG_ERROR("Target not examined yet");
1228 if (retval == ERROR_OK)
1230 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
1235 LOG_DEBUG("address: 0x%8.8x failed", address);
1241 int target_write_u32(struct target_s *target, u32 address, u32 value)
1245 if (!target->type->examined)
1247 LOG_ERROR("Target not examined yet");
1251 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1253 target_buffer_set_u32(target, value_buf, value);
1254 if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1256 LOG_DEBUG("failed: %i", retval);
1262 int target_write_u16(struct target_s *target, u32 address, u16 value)
1266 if (!target->type->examined)
1268 LOG_ERROR("Target not examined yet");
1272 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1274 target_buffer_set_u16(target, value_buf, value);
1275 if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1277 LOG_DEBUG("failed: %i", retval);
1283 int target_write_u8(struct target_s *target, u32 address, u8 value)
1286 if (!target->type->examined)
1288 LOG_ERROR("Target not examined yet");
1292 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
1294 if ((retval = target->type->read_memory(target, address, 1, 1, &value)) != ERROR_OK)
1296 LOG_DEBUG("failed: %i", retval);
1302 int target_register_user_commands(struct command_context_s *cmd_ctx)
1304 register_command(cmd_ctx, NULL, "reg", handle_reg_command, COMMAND_EXEC, NULL);
1305 register_command(cmd_ctx, NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1306 register_command(cmd_ctx, NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1307 register_command(cmd_ctx, NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1308 register_command(cmd_ctx, NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1309 register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1310 register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init|run_and_halt|run_and_init]");
1311 register_command(cmd_ctx, NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1313 register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
1314 register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
1315 register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
1317 register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value> [count]");
1318 register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value> [count]");
1319 register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value> [count]");
1321 register_command(cmd_ctx, NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
1322 register_command(cmd_ctx, NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
1323 register_command(cmd_ctx, NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
1324 register_command(cmd_ctx, NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
1326 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]");
1327 register_command(cmd_ctx, NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1328 register_command(cmd_ctx, NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1330 target_request_register_commands(cmd_ctx);
1331 trace_register_commands(cmd_ctx);
1336 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1338 target_t *target = targets;
1343 int num = strtoul(args[0], NULL, 0);
1348 target = target->next;
1352 cmd_ctx->current_target = num;
1354 command_print(cmd_ctx, "%i is out of bounds, only %i targets are configured", num, count);
1361 command_print(cmd_ctx, "%i: %s (%s), state: %s", count++, target->type->name, target_endianess_strings[target->endianness], target_state_strings[target->state]);
1362 target = target->next;
1368 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1375 return ERROR_COMMAND_SYNTAX_ERROR;
1378 /* search for the specified target */
1379 if (args[0] && (args[0][0] != 0))
1381 for (i = 0; target_types[i]; i++)
1383 if (strcmp(args[0], target_types[i]->name) == 0)
1385 target_t **last_target_p = &targets;
1387 /* register target specific commands */
1388 if (target_types[i]->register_commands(cmd_ctx) != ERROR_OK)
1390 LOG_ERROR("couldn't register '%s' commands", args[0]);
1396 while ((*last_target_p)->next)
1397 last_target_p = &((*last_target_p)->next);
1398 last_target_p = &((*last_target_p)->next);
1401 *last_target_p = malloc(sizeof(target_t));
1403 /* allocate memory for each unique target type */
1404 (*last_target_p)->type = (target_type_t*)malloc(sizeof(target_type_t));
1405 *((*last_target_p)->type) = *target_types[i];
1407 if (strcmp(args[1], "big") == 0)
1408 (*last_target_p)->endianness = TARGET_BIG_ENDIAN;
1409 else if (strcmp(args[1], "little") == 0)
1410 (*last_target_p)->endianness = TARGET_LITTLE_ENDIAN;
1413 LOG_ERROR("endianness must be either 'little' or 'big', not '%s'", args[1]);
1414 return ERROR_COMMAND_SYNTAX_ERROR;
1417 if (strcmp(args[2], "reset_halt") == 0)
1419 LOG_WARNING("reset_mode argument is obsolete.");
1420 return ERROR_COMMAND_SYNTAX_ERROR;
1422 else if (strcmp(args[2], "reset_run") == 0)
1424 LOG_WARNING("reset_mode argument is obsolete.");
1425 return ERROR_COMMAND_SYNTAX_ERROR;
1427 else if (strcmp(args[2], "reset_init") == 0)
1429 LOG_WARNING("reset_mode argument is obsolete.");
1430 return ERROR_COMMAND_SYNTAX_ERROR;
1432 else if (strcmp(args[2], "run_and_halt") == 0)
1434 LOG_WARNING("reset_mode argument is obsolete.");
1435 return ERROR_COMMAND_SYNTAX_ERROR;
1437 else if (strcmp(args[2], "run_and_init") == 0)
1439 LOG_WARNING("reset_mode argument is obsolete.");
1440 return ERROR_COMMAND_SYNTAX_ERROR;
1444 /* Kludge! we want to make this reset arg optional while remaining compatible! */
1448 (*last_target_p)->run_and_halt_time = 1000; /* default 1s */
1450 (*last_target_p)->working_area = 0x0;
1451 (*last_target_p)->working_area_size = 0x0;
1452 (*last_target_p)->working_areas = NULL;
1453 (*last_target_p)->backup_working_area = 0;
1455 (*last_target_p)->state = TARGET_UNKNOWN;
1456 (*last_target_p)->debug_reason = DBG_REASON_UNDEFINED;
1457 (*last_target_p)->reg_cache = NULL;
1458 (*last_target_p)->breakpoints = NULL;
1459 (*last_target_p)->watchpoints = NULL;
1460 (*last_target_p)->next = NULL;
1461 (*last_target_p)->arch_info = NULL;
1463 /* initialize trace information */
1464 (*last_target_p)->trace_info = malloc(sizeof(trace_t));
1465 (*last_target_p)->trace_info->num_trace_points = 0;
1466 (*last_target_p)->trace_info->trace_points_size = 0;
1467 (*last_target_p)->trace_info->trace_points = NULL;
1468 (*last_target_p)->trace_info->trace_history_size = 0;
1469 (*last_target_p)->trace_info->trace_history = NULL;
1470 (*last_target_p)->trace_info->trace_history_pos = 0;
1471 (*last_target_p)->trace_info->trace_history_overflowed = 0;
1473 (*last_target_p)->dbgmsg = NULL;
1474 (*last_target_p)->dbg_msg_enabled = 0;
1476 (*last_target_p)->type->target_command(cmd_ctx, cmd, args, argc, *last_target_p);
1484 /* no matching target found */
1487 LOG_ERROR("target '%s' not found", args[0]);
1488 return ERROR_COMMAND_SYNTAX_ERROR;
1494 int target_invoke_script(struct command_context_s *cmd_ctx, target_t *target, char *name)
1496 return command_run_linef(cmd_ctx, " if {[catch {info body target_%d_%s} t]==0} {target_%d_%s}",
1497 get_num_by_target(target), name,
1498 get_num_by_target(target), name);
1501 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1503 target_t *target = NULL;
1507 return ERROR_COMMAND_SYNTAX_ERROR;
1510 target = get_target_by_num(strtoul(args[0], NULL, 0));
1513 return ERROR_COMMAND_SYNTAX_ERROR;
1516 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1521 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1523 target_t *target = NULL;
1525 if ((argc < 4) || (argc > 5))
1527 return ERROR_COMMAND_SYNTAX_ERROR;
1530 target = get_target_by_num(strtoul(args[0], NULL, 0));
1533 return ERROR_COMMAND_SYNTAX_ERROR;
1535 target_free_all_working_areas(target);
1537 target->working_area_phys = target->working_area_virt = strtoul(args[1], NULL, 0);
1540 target->working_area_virt = strtoul(args[4], NULL, 0);
1542 target->working_area_size = strtoul(args[2], NULL, 0);
1544 if (strcmp(args[3], "backup") == 0)
1546 target->backup_working_area = 1;
1548 else if (strcmp(args[3], "nobackup") == 0)
1550 target->backup_working_area = 0;
1554 LOG_ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
1555 return ERROR_COMMAND_SYNTAX_ERROR;
1562 /* process target state changes */
1563 int handle_target(void *priv)
1565 target_t *target = targets;
1569 if (target_continous_poll)
1571 /* polling may fail silently until the target has been examined */
1572 target_poll(target);
1575 target = target->next;
1581 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1590 target = get_current_target(cmd_ctx);
1592 /* list all available registers for the current target */
1595 reg_cache_t *cache = target->reg_cache;
1601 for (i = 0; i < cache->num_regs; i++)
1603 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1604 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);
1607 cache = cache->next;
1613 /* access a single register by its ordinal number */
1614 if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1616 int num = strtoul(args[0], NULL, 0);
1617 reg_cache_t *cache = target->reg_cache;
1623 for (i = 0; i < cache->num_regs; i++)
1627 reg = &cache->reg_list[i];
1633 cache = cache->next;
1638 command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1641 } else /* access a single register by its name */
1643 reg = register_get_by_name(target->reg_cache, args[0], 1);
1647 command_print(cmd_ctx, "register %s not found in current target", args[0]);
1652 /* display a register */
1653 if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1655 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1658 if (reg->valid == 0)
1660 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1661 if (arch_type == NULL)
1663 LOG_ERROR("BUG: encountered unregistered arch type");
1666 arch_type->get(reg);
1668 value = buf_to_str(reg->value, reg->size, 16);
1669 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1674 /* set register value */
1677 u8 *buf = malloc(CEIL(reg->size, 8));
1678 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1680 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1681 if (arch_type == NULL)
1683 LOG_ERROR("BUG: encountered unregistered arch type");
1687 arch_type->set(reg, buf);
1689 value = buf_to_str(reg->value, reg->size, 16);
1690 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1698 command_print(cmd_ctx, "usage: reg <#|name> [value]");
1704 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1706 target_t *target = get_current_target(cmd_ctx);
1710 target_poll(target);
1711 target_arch_state(target);
1715 if (strcmp(args[0], "on") == 0)
1717 target_continous_poll = 1;
1719 else if (strcmp(args[0], "off") == 0)
1721 target_continous_poll = 0;
1725 command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1733 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1741 ms = strtoul(args[0], &end, 0) * 1000;
1744 command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1748 target_t *target = get_current_target(cmd_ctx);
1750 return target_wait_state(target, TARGET_HALTED, ms);
1753 int target_wait_state(target_t *target, enum target_state state, int ms)
1756 struct timeval timeout, now;
1758 gettimeofday(&timeout, NULL);
1759 timeval_add_time(&timeout, 0, ms * 1000);
1763 if ((retval=target_poll(target))!=ERROR_OK)
1765 target_call_timer_callbacks_now();
1766 if (target->state == state)
1773 LOG_USER("waiting for target %s...", target_state_strings[state]);
1776 gettimeofday(&now, NULL);
1777 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
1779 LOG_ERROR("timed out while waiting for target %s", target_state_strings[state]);
1787 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1790 target_t *target = get_current_target(cmd_ctx);
1794 if ((retval = target_halt(target)) != ERROR_OK)
1799 return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1802 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1804 target_t *target = get_current_target(cmd_ctx);
1806 LOG_USER("requesting target halt and executing a soft reset");
1808 target->type->soft_reset_halt(target);
1813 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1815 target_t *target = get_current_target(cmd_ctx);
1816 enum target_reset_mode reset_mode = RESET_RUN;
1822 if (strcmp("run", args[0]) == 0)
1823 reset_mode = RESET_RUN;
1824 else if (strcmp("halt", args[0]) == 0)
1825 reset_mode = RESET_HALT;
1826 else if (strcmp("init", args[0]) == 0)
1827 reset_mode = RESET_INIT;
1828 else if (strcmp("run_and_halt", args[0]) == 0)
1830 reset_mode = RESET_RUN_AND_HALT;
1833 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1836 else if (strcmp("run_and_init", args[0]) == 0)
1838 reset_mode = RESET_RUN_AND_INIT;
1841 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1846 command_print(cmd_ctx, "usage: reset ['run', 'halt', 'init', 'run_and_halt', 'run_and_init]");
1851 /* reset *all* targets */
1852 target_process_reset(cmd_ctx, reset_mode);
1857 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1860 target_t *target = get_current_target(cmd_ctx);
1862 target_invoke_script(cmd_ctx, target, "pre_resume");
1865 retval = target_resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1867 retval = target_resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1870 return ERROR_COMMAND_SYNTAX_ERROR;
1876 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1878 target_t *target = get_current_target(cmd_ctx);
1883 target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1886 target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1891 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1893 const int line_bytecnt = 32;
1906 target_t *target = get_current_target(cmd_ctx);
1912 count = strtoul(args[1], NULL, 0);
1914 address = strtoul(args[0], NULL, 0);
1920 size = 4; line_modulo = line_bytecnt / 4;
1923 size = 2; line_modulo = line_bytecnt / 2;
1926 size = 1; line_modulo = line_bytecnt / 1;
1932 buffer = calloc(count, size);
1933 retval = target->type->read_memory(target, address, size, count, buffer);
1934 if (retval == ERROR_OK)
1938 for (i = 0; i < count; i++)
1940 if (i%line_modulo == 0)
1941 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1946 output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1949 output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1952 output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1956 if ((i%line_modulo == line_modulo-1) || (i == count - 1))
1958 command_print(cmd_ctx, output);
1969 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1976 target_t *target = get_current_target(cmd_ctx);
1979 if ((argc < 2) || (argc > 3))
1980 return ERROR_COMMAND_SYNTAX_ERROR;
1982 address = strtoul(args[0], NULL, 0);
1983 value = strtoul(args[1], NULL, 0);
1985 count = strtoul(args[2], NULL, 0);
1991 target_buffer_set_u32(target, value_buf, value);
1995 target_buffer_set_u16(target, value_buf, value);
1999 value_buf[0] = value;
2002 return ERROR_COMMAND_SYNTAX_ERROR;
2004 for (i=0; i<count; i++)
2010 retval = target->type->write_memory(target, address + i*wordsize, 4, 1, value_buf);
2013 retval = target->type->write_memory(target, address + i*wordsize, 2, 1, value_buf);
2016 retval = target->type->write_memory(target, address + i*wordsize, 1, 1, value_buf);
2021 if (retval!=ERROR_OK)
2031 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2037 u32 max_address=0xffffffff;
2043 duration_t duration;
2044 char *duration_text;
2046 target_t *target = get_current_target(cmd_ctx);
2048 if ((argc < 1)||(argc > 5))
2050 return ERROR_COMMAND_SYNTAX_ERROR;
2053 /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
2056 image.base_address_set = 1;
2057 image.base_address = strtoul(args[1], NULL, 0);
2061 image.base_address_set = 0;
2065 image.start_address_set = 0;
2069 min_address=strtoul(args[3], NULL, 0);
2073 max_address=strtoul(args[4], NULL, 0)+min_address;
2076 if (min_address>max_address)
2078 return ERROR_COMMAND_SYNTAX_ERROR;
2082 duration_start_measure(&duration);
2084 if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2091 for (i = 0; i < image.num_sections; i++)
2093 buffer = malloc(image.sections[i].size);
2096 command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2100 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2110 /* DANGER!!! beware of unsigned comparision here!!! */
2112 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
2113 (image.sections[i].base_address<max_address))
2115 if (image.sections[i].base_address<min_address)
2117 /* clip addresses below */
2118 offset+=min_address-image.sections[i].base_address;
2122 if (image.sections[i].base_address+buf_cnt>max_address)
2124 length-=(image.sections[i].base_address+buf_cnt)-max_address;
2127 if ((retval = target_write_buffer(target, image.sections[i].base_address+offset, length, buffer+offset)) != ERROR_OK)
2132 image_size += length;
2133 command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
2139 duration_stop_measure(&duration, &duration_text);
2140 if (retval==ERROR_OK)
2142 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
2144 free(duration_text);
2146 image_close(&image);
2152 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2159 int retval=ERROR_OK;
2161 duration_t duration;
2162 char *duration_text;
2164 target_t *target = get_current_target(cmd_ctx);
2168 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2172 address = strtoul(args[1], NULL, 0);
2173 size = strtoul(args[2], NULL, 0);
2175 if ((address & 3) || (size & 3))
2177 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
2181 if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2186 duration_start_measure(&duration);
2191 u32 this_run_size = (size > 560) ? 560 : size;
2193 retval = target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
2194 if (retval != ERROR_OK)
2199 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2200 if (retval != ERROR_OK)
2205 size -= this_run_size;
2206 address += this_run_size;
2209 fileio_close(&fileio);
2211 duration_stop_measure(&duration, &duration_text);
2212 if (retval==ERROR_OK)
2214 command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
2216 free(duration_text);
2221 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2229 u32 mem_checksum = 0;
2233 duration_t duration;
2234 char *duration_text;
2236 target_t *target = get_current_target(cmd_ctx);
2240 return ERROR_COMMAND_SYNTAX_ERROR;
2245 LOG_ERROR("no target selected");
2249 duration_start_measure(&duration);
2253 image.base_address_set = 1;
2254 image.base_address = strtoul(args[1], NULL, 0);
2258 image.base_address_set = 0;
2259 image.base_address = 0x0;
2262 image.start_address_set = 0;
2264 if ((retval=image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2271 for (i = 0; i < image.num_sections; i++)
2273 buffer = malloc(image.sections[i].size);
2276 command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2279 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2285 /* calculate checksum of image */
2286 image_calculate_checksum( buffer, buf_cnt, &checksum );
2288 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2289 if( retval != ERROR_OK )
2295 if( checksum != mem_checksum )
2297 /* failed crc checksum, fall back to a binary compare */
2300 command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2302 data = (u8*)malloc(buf_cnt);
2304 /* Can we use 32bit word accesses? */
2306 int count = buf_cnt;
2307 if ((count % 4) == 0)
2312 retval = target->type->read_memory(target, image.sections[i].base_address, size, count, data);
2313 if (retval == ERROR_OK)
2316 for (t = 0; t < buf_cnt; t++)
2318 if (data[t] != buffer[t])
2320 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]);
2333 image_size += buf_cnt;
2336 duration_stop_measure(&duration, &duration_text);
2337 if (retval==ERROR_OK)
2339 command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2341 free(duration_text);
2343 image_close(&image);
2348 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2351 target_t *target = get_current_target(cmd_ctx);
2355 breakpoint_t *breakpoint = target->breakpoints;
2359 if (breakpoint->type == BKPT_SOFT)
2361 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
2362 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
2367 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
2369 breakpoint = breakpoint->next;
2377 length = strtoul(args[1], NULL, 0);
2380 if (strcmp(args[2], "hw") == 0)
2383 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
2385 LOG_ERROR("Failure setting breakpoints");
2389 command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
2394 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2400 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2402 target_t *target = get_current_target(cmd_ctx);
2405 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2410 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2412 target_t *target = get_current_target(cmd_ctx);
2417 watchpoint_t *watchpoint = target->watchpoints;
2421 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);
2422 watchpoint = watchpoint->next;
2427 enum watchpoint_rw type = WPT_ACCESS;
2428 u32 data_value = 0x0;
2429 u32 data_mask = 0xffffffff;
2445 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2451 data_value = strtoul(args[3], NULL, 0);
2455 data_mask = strtoul(args[4], NULL, 0);
2458 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2459 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2461 LOG_ERROR("Failure setting breakpoints");
2466 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2472 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2474 target_t *target = get_current_target(cmd_ctx);
2477 watchpoint_remove(target, strtoul(args[0], NULL, 0));
2482 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
2485 target_t *target = get_current_target(cmd_ctx);
2491 return ERROR_COMMAND_SYNTAX_ERROR;
2493 va = strtoul(args[0], NULL, 0);
2495 retval = target->type->virt2phys(target, va, &pa);
2496 if (retval == ERROR_OK)
2498 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2502 /* lower levels will have logged a detailed error which is
2503 * forwarded to telnet/GDB session.
2508 static void writeLong(FILE *f, int l)
2513 char c=(l>>(i*8))&0xff;
2514 fwrite(&c, 1, 1, f);
2518 static void writeString(FILE *f, char *s)
2520 fwrite(s, 1, strlen(s), f);
2525 // Dump a gmon.out histogram file.
2526 static void writeGmon(u32 *samples, int sampleNum, char *filename)
2529 FILE *f=fopen(filename, "w");
2532 fwrite("gmon", 1, 4, f);
2533 writeLong(f, 0x00000001); // Version
2534 writeLong(f, 0); // padding
2535 writeLong(f, 0); // padding
2536 writeLong(f, 0); // padding
2538 fwrite("", 1, 1, f); // GMON_TAG_TIME_HIST
2540 // figure out bucket size
2543 for (i=0; i<sampleNum; i++)
2555 int addressSpace=(max-min+1);
2557 static int const maxBuckets=256*1024; // maximum buckets.
2558 int length=addressSpace;
2559 if (length > maxBuckets)
2563 int *buckets=malloc(sizeof(int)*length);
2569 memset(buckets, 0, sizeof(int)*length);
2570 for (i=0; i<sampleNum;i++)
2572 u32 address=samples[i];
2573 long long a=address-min;
2574 long long b=length-1;
2575 long long c=addressSpace-1;
2576 int index=(a*b)/c; // danger!!!! int32 overflows
2580 // append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr))
2581 writeLong(f, min); // low_pc
2582 writeLong(f, max); // high_pc
2583 writeLong(f, length); // # of samples
2584 writeLong(f, 64000000); // 64MHz
2585 writeString(f, "seconds");
2586 for (i=0; i<(15-strlen("seconds")); i++)
2588 fwrite("", 1, 1, f); // padding
2590 writeString(f, "s");
2592 // append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size)
2594 char *data=malloc(2*length);
2597 for (i=0; i<length;i++)
2606 data[i*2+1]=(val>>8)&0xff;
2609 fwrite(data, 1, length*2, f);
2619 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
2620 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2622 target_t *target = get_current_target(cmd_ctx);
2623 struct timeval timeout, now;
2625 gettimeofday(&timeout, NULL);
2628 return ERROR_COMMAND_SYNTAX_ERROR;
2631 timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
2637 command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
2639 static const int maxSample=10000;
2640 u32 *samples=malloc(sizeof(u32)*maxSample);
2645 int retval=ERROR_OK;
2646 // hopefully it is safe to cache! We want to stop/restart as quickly as possible.
2647 reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
2651 target_poll(target);
2652 if (target->state == TARGET_HALTED)
2654 u32 t=*((u32 *)reg->value);
2655 samples[numSamples++]=t;
2656 retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2657 target_poll(target);
2658 usleep(10*1000); // sleep 10ms, i.e. <100 samples/second.
2659 } else if (target->state == TARGET_RUNNING)
2661 // We want to quickly sample the PC.
2662 target_halt(target);
2665 command_print(cmd_ctx, "Target not halted or running");
2669 if (retval!=ERROR_OK)
2674 gettimeofday(&now, NULL);
2675 if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
2677 command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
2678 target_poll(target);
2679 if (target->state == TARGET_HALTED)
2681 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2683 target_poll(target);
2684 writeGmon(samples, numSamples, args[1]);
2685 command_print(cmd_ctx, "Wrote %s", args[1]);
2694 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 val)
2697 Jim_Obj *nameObjPtr, *valObjPtr;
2700 namebuf = alloc_printf("%s(%d)", varname, idx);
2704 nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2705 valObjPtr = Jim_NewIntObj(interp, val);
2706 if (!nameObjPtr || !valObjPtr)
2712 Jim_IncrRefCount(nameObjPtr);
2713 Jim_IncrRefCount(valObjPtr);
2714 result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
2715 Jim_DecrRefCount(interp, nameObjPtr);
2716 Jim_DecrRefCount(interp, valObjPtr);
2718 /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
2722 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2725 command_context_t *context;
2732 const char *varname;
2734 int i, n, e, retval;
2736 /* argv[1] = name of array to receive the data
2737 * argv[2] = desired width
2738 * argv[3] = memory address
2739 * argv[4] = count of times to read
2742 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2745 varname = Jim_GetString(argv[1], &len);
2746 /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2748 e = Jim_GetLong(interp, argv[2], &l);
2754 e = Jim_GetLong(interp, argv[3], &l);
2759 e = Jim_GetLong(interp, argv[4], &l);
2775 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2776 Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2780 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2781 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
2784 if ((addr + (len * width)) < addr) {
2785 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2786 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
2789 /* absurd transfer size? */
2791 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2792 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
2797 ((width == 2) && ((addr & 1) == 0)) ||
2798 ((width == 4) && ((addr & 3) == 0))) {
2802 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2803 sprintf(buf, "mem2array address: 0x%08x is not aligned for %d byte reads", addr, width);
2804 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2808 context = Jim_GetAssocData(interp, "context");
2809 if (context == NULL)
2811 LOG_ERROR("mem2array: no command context");
2814 target = get_current_target(context);
2817 LOG_ERROR("mem2array: no current target");
2828 /* Slurp... in buffer size chunks */
2830 count = len; /* in objects.. */
2831 if (count > (sizeof(buffer)/width)) {
2832 count = (sizeof(buffer)/width);
2835 retval = target->type->read_memory( target, addr, width, count, buffer );
2836 if (retval != ERROR_OK) {
2838 LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
2839 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2840 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
2844 v = 0; /* shut up gcc */
2845 for (i = 0 ;i < count ;i++, n++) {
2848 v = target_buffer_get_u32(target, &buffer[i*width]);
2851 v = target_buffer_get_u16(target, &buffer[i*width]);
2854 v = buffer[i] & 0x0ff;
2857 new_int_array_element(interp, varname, n, v);
2863 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2868 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 *val)
2871 Jim_Obj *nameObjPtr, *valObjPtr;
2875 namebuf = alloc_printf("%s(%d)", varname, idx);
2879 nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2886 Jim_IncrRefCount(nameObjPtr);
2887 valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
2888 Jim_DecrRefCount(interp, nameObjPtr);
2890 if (valObjPtr == NULL)
2893 result = Jim_GetLong(interp, valObjPtr, &l);
2894 /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
2899 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2902 command_context_t *context;
2909 const char *varname;
2911 int i, n, e, retval;
2913 /* argv[1] = name of array to get the data
2914 * argv[2] = desired width
2915 * argv[3] = memory address
2916 * argv[4] = count to write
2919 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2922 varname = Jim_GetString(argv[1], &len);
2923 /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2925 e = Jim_GetLong(interp, argv[2], &l);
2931 e = Jim_GetLong(interp, argv[3], &l);
2936 e = Jim_GetLong(interp, argv[4], &l);
2952 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2953 Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2957 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2958 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
2961 if ((addr + (len * width)) < addr) {
2962 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2963 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
2966 /* absurd transfer size? */
2968 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2969 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
2974 ((width == 2) && ((addr & 1) == 0)) ||
2975 ((width == 4) && ((addr & 3) == 0))) {
2979 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2980 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads", addr, width);
2981 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2985 context = Jim_GetAssocData(interp, "context");
2986 if (context == NULL)
2988 LOG_ERROR("array2mem: no command context");
2991 target = get_current_target(context);
2994 LOG_ERROR("array2mem: no current target");
3005 /* Slurp... in buffer size chunks */
3007 count = len; /* in objects.. */
3008 if (count > (sizeof(buffer)/width)) {
3009 count = (sizeof(buffer)/width);
3012 v = 0; /* shut up gcc */
3013 for (i = 0 ;i < count ;i++, n++) {
3014 get_int_array_element(interp, varname, n, &v);
3017 target_buffer_set_u32(target, &buffer[i*width], v);
3020 target_buffer_set_u16(target, &buffer[i*width], v);
3023 buffer[i] = v & 0x0ff;
3029 retval = target->type->write_memory(target, addr, width, count, buffer);
3030 if (retval != ERROR_OK) {
3032 LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
3033 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3034 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
3040 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));