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_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
60 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
61 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
62 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
63 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
64 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
65 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
66 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
67 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
68 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
69 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
70 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
71 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
72 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
73 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
74 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
75 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
76 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
77 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc);
78 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
79 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
80 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
84 extern target_type_t arm7tdmi_target;
85 extern target_type_t arm720t_target;
86 extern target_type_t arm9tdmi_target;
87 extern target_type_t arm920t_target;
88 extern target_type_t arm966e_target;
89 extern target_type_t arm926ejs_target;
90 extern target_type_t feroceon_target;
91 extern target_type_t xscale_target;
92 extern target_type_t cortexm3_target;
93 extern target_type_t arm11_target;
94 extern target_type_t mips_m4k_target;
96 target_type_t *target_types[] =
112 target_t *targets = NULL;
113 target_event_callback_t *target_event_callbacks = NULL;
114 target_timer_callback_t *target_timer_callbacks = NULL;
116 char *target_state_strings[] =
125 char *target_debug_reason_strings[] =
127 "debug request", "breakpoint", "watchpoint",
128 "watchpoint and breakpoint", "single step",
129 "target not halted", "undefined"
132 char *target_endianess_strings[] =
138 static int target_continous_poll = 1;
140 /* read a u32 from a buffer in target memory endianness */
141 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
143 if (target->endianness == TARGET_LITTLE_ENDIAN)
144 return le_to_h_u32(buffer);
146 return be_to_h_u32(buffer);
149 /* read a u16 from a buffer in target memory endianness */
150 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
152 if (target->endianness == TARGET_LITTLE_ENDIAN)
153 return le_to_h_u16(buffer);
155 return be_to_h_u16(buffer);
158 /* write a u32 to a buffer in target memory endianness */
159 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
161 if (target->endianness == TARGET_LITTLE_ENDIAN)
162 h_u32_to_le(buffer, value);
164 h_u32_to_be(buffer, value);
167 /* write a u16 to a buffer in target memory endianness */
168 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
170 if (target->endianness == TARGET_LITTLE_ENDIAN)
171 h_u16_to_le(buffer, value);
173 h_u16_to_be(buffer, value);
176 /* returns a pointer to the n-th configured target */
177 target_t* get_target_by_num(int num)
179 target_t *target = targets;
186 target = target->next;
193 int get_num_by_target(target_t *query_target)
195 target_t *target = targets;
200 if (target == query_target)
202 target = target->next;
209 target_t* get_current_target(command_context_t *cmd_ctx)
211 target_t *target = get_target_by_num(cmd_ctx->current_target);
215 LOG_ERROR("BUG: current_target out of bounds");
223 int target_poll(struct target_s *target)
225 /* We can't poll until after examine */
226 if (!target->type->examined)
228 /* Fail silently lest we pollute the log */
231 return target->type->poll(target);
234 int target_halt(struct target_s *target)
236 /* We can't poll until after examine */
237 if (!target->type->examined)
239 LOG_ERROR("Target not examined yet");
242 return target->type->halt(target);
245 int target_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution)
249 /* We can't poll until after examine */
250 if (!target->type->examined)
252 LOG_ERROR("Target not examined yet");
256 /* note that resume *must* be asynchronous. The CPU can halt before we poll. The CPU can
257 * even halt at the current PC as a result of a software breakpoint being inserted by (a bug?)
260 if ((retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution)) != ERROR_OK)
266 int target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
268 int retval = ERROR_OK;
274 target_invoke_script(cmd_ctx, target, "pre_reset");
275 target = target->next;
278 if ((retval = jtag_init_reset(cmd_ctx)) != ERROR_OK)
281 keep_alive(); /* we might be running on a very slow JTAG clk */
283 /* First time this is executed after launching OpenOCD, it will read out
284 * the type of CPU, etc. and init Embedded ICE registers in host
287 * It will also set up ICE registers in the target.
289 * However, if we assert TRST later, we need to set up the registers again.
291 * For the "reset halt/init" case we must only set up the registers here.
293 if ((retval = target_examine()) != ERROR_OK)
296 keep_alive(); /* we might be running on a very slow JTAG clk */
301 /* we have no idea what state the target is in, so we
302 * have to drop working areas
304 target_free_all_working_areas_restore(target, 0);
305 target->reset_halt=((reset_mode==RESET_HALT)||(reset_mode==RESET_INIT));
306 if ((retval = target->type->assert_reset(target))!=ERROR_OK)
308 target = target->next;
314 if ((retval = target->type->deassert_reset(target))!=ERROR_OK)
316 target = target->next;
322 /* We can fail to bring the target into the halted state, try after reset has been deasserted */
323 if (target->reset_halt)
325 /* wait up to 1 second for halt. */
326 target_wait_state(target, TARGET_HALTED, 1000);
327 if (target->state != TARGET_HALTED)
329 LOG_WARNING("Failed to reset target into halted mode - issuing halt");
330 if ((retval = target->type->halt(target))!=ERROR_OK)
335 target = target->next;
339 LOG_DEBUG("Waiting for halted stated as appropriate");
341 if ((reset_mode == RESET_HALT) || (reset_mode == RESET_INIT))
346 /* Wait for reset to complete, maximum 5 seconds. */
347 if (((retval=target_wait_state(target, TARGET_HALTED, 5000)))==ERROR_OK)
349 if (reset_mode == RESET_INIT)
350 target_invoke_script(cmd_ctx, target, "post_reset");
352 target = target->next;
356 /* We want any events to be processed before the prompt */
357 target_call_timer_callbacks_now();
362 static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
368 static int default_mmu(struct target_s *target, int *enabled)
374 static int default_examine(struct target_s *target)
376 target->type->examined = 1;
381 /* Targets that correctly implement init+examine, i.e.
382 * no communication with target during init:
386 int target_examine(void)
388 int retval = ERROR_OK;
389 target_t *target = targets;
392 if ((retval = target->type->examine(target))!=ERROR_OK)
394 target = target->next;
399 static int target_write_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
401 if (!target->type->examined)
403 LOG_ERROR("Target not examined yet");
406 return target->type->write_memory_imp(target, address, size, count, buffer);
409 static int target_read_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
411 if (!target->type->examined)
413 LOG_ERROR("Target not examined yet");
416 return target->type->read_memory_imp(target, address, size, count, buffer);
419 static int target_soft_reset_halt_imp(struct target_s *target)
421 if (!target->type->examined)
423 LOG_ERROR("Target not examined yet");
426 return target->type->soft_reset_halt_imp(target);
429 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)
431 if (!target->type->examined)
433 LOG_ERROR("Target not examined yet");
436 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);
439 int target_init(struct command_context_s *cmd_ctx)
441 target_t *target = targets;
445 target->type->examined = 0;
446 if (target->type->examine == NULL)
448 target->type->examine = default_examine;
451 if (target->type->init_target(cmd_ctx, target) != ERROR_OK)
453 LOG_ERROR("target '%s' init failed", target->type->name);
457 /* Set up default functions if none are provided by target */
458 if (target->type->virt2phys == NULL)
460 target->type->virt2phys = default_virt2phys;
462 target->type->virt2phys = default_virt2phys;
463 /* a non-invasive way(in terms of patches) to add some code that
464 * runs before the type->write/read_memory implementation
466 target->type->write_memory_imp = target->type->write_memory;
467 target->type->write_memory = target_write_memory_imp;
468 target->type->read_memory_imp = target->type->read_memory;
469 target->type->read_memory = target_read_memory_imp;
470 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
471 target->type->soft_reset_halt = target_soft_reset_halt_imp;
472 target->type->run_algorithm_imp = target->type->run_algorithm;
473 target->type->run_algorithm = target_run_algorithm_imp;
476 if (target->type->mmu == NULL)
478 target->type->mmu = default_mmu;
480 target = target->next;
485 target_register_user_commands(cmd_ctx);
486 target_register_timer_callback(handle_target, 100, 1, NULL);
492 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
494 target_event_callback_t **callbacks_p = &target_event_callbacks;
496 if (callback == NULL)
498 return ERROR_INVALID_ARGUMENTS;
503 while ((*callbacks_p)->next)
504 callbacks_p = &((*callbacks_p)->next);
505 callbacks_p = &((*callbacks_p)->next);
508 (*callbacks_p) = malloc(sizeof(target_event_callback_t));
509 (*callbacks_p)->callback = callback;
510 (*callbacks_p)->priv = priv;
511 (*callbacks_p)->next = NULL;
516 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
518 target_timer_callback_t **callbacks_p = &target_timer_callbacks;
521 if (callback == NULL)
523 return ERROR_INVALID_ARGUMENTS;
528 while ((*callbacks_p)->next)
529 callbacks_p = &((*callbacks_p)->next);
530 callbacks_p = &((*callbacks_p)->next);
533 (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
534 (*callbacks_p)->callback = callback;
535 (*callbacks_p)->periodic = periodic;
536 (*callbacks_p)->time_ms = time_ms;
538 gettimeofday(&now, NULL);
539 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
540 time_ms -= (time_ms % 1000);
541 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
542 if ((*callbacks_p)->when.tv_usec > 1000000)
544 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
545 (*callbacks_p)->when.tv_sec += 1;
548 (*callbacks_p)->priv = priv;
549 (*callbacks_p)->next = NULL;
554 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
556 target_event_callback_t **p = &target_event_callbacks;
557 target_event_callback_t *c = target_event_callbacks;
559 if (callback == NULL)
561 return ERROR_INVALID_ARGUMENTS;
566 target_event_callback_t *next = c->next;
567 if ((c->callback == callback) && (c->priv == priv))
581 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
583 target_timer_callback_t **p = &target_timer_callbacks;
584 target_timer_callback_t *c = target_timer_callbacks;
586 if (callback == NULL)
588 return ERROR_INVALID_ARGUMENTS;
593 target_timer_callback_t *next = c->next;
594 if ((c->callback == callback) && (c->priv == priv))
608 int target_call_event_callbacks(target_t *target, enum target_event event)
610 target_event_callback_t *callback = target_event_callbacks;
611 target_event_callback_t *next_callback;
613 LOG_DEBUG("target event %i", event);
617 next_callback = callback->next;
618 callback->callback(target, event, callback->priv);
619 callback = next_callback;
625 static int target_call_timer_callbacks_check_time(int checktime)
627 target_timer_callback_t *callback = target_timer_callbacks;
628 target_timer_callback_t *next_callback;
633 gettimeofday(&now, NULL);
637 next_callback = callback->next;
639 if ((!checktime&&callback->periodic)||
640 (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
641 || (now.tv_sec > callback->when.tv_sec)))
643 if(callback->callback != NULL)
645 callback->callback(callback->priv);
646 if (callback->periodic)
648 int time_ms = callback->time_ms;
649 callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
650 time_ms -= (time_ms % 1000);
651 callback->when.tv_sec = now.tv_sec + time_ms / 1000;
652 if (callback->when.tv_usec > 1000000)
654 callback->when.tv_usec = callback->when.tv_usec - 1000000;
655 callback->when.tv_sec += 1;
659 target_unregister_timer_callback(callback->callback, callback->priv);
663 callback = next_callback;
669 int target_call_timer_callbacks(void)
671 return target_call_timer_callbacks_check_time(1);
674 /* invoke periodic callbacks immediately */
675 int target_call_timer_callbacks_now(void)
677 return target_call_timer_callbacks();
680 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
682 working_area_t *c = target->working_areas;
683 working_area_t *new_wa = NULL;
685 /* Reevaluate working area address based on MMU state*/
686 if (target->working_areas == NULL)
690 retval = target->type->mmu(target, &enabled);
691 if (retval != ERROR_OK)
697 target->working_area = target->working_area_virt;
701 target->working_area = target->working_area_phys;
705 /* only allocate multiples of 4 byte */
708 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
709 size = CEIL(size, 4);
712 /* see if there's already a matching working area */
715 if ((c->free) && (c->size == size))
723 /* if not, allocate a new one */
726 working_area_t **p = &target->working_areas;
727 u32 first_free = target->working_area;
728 u32 free_size = target->working_area_size;
730 LOG_DEBUG("allocating new working area");
732 c = target->working_areas;
735 first_free += c->size;
736 free_size -= c->size;
741 if (free_size < size)
743 LOG_WARNING("not enough working area available(requested %d, free %d)", size, free_size);
744 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
747 new_wa = malloc(sizeof(working_area_t));
750 new_wa->address = first_free;
752 if (target->backup_working_area)
754 new_wa->backup = malloc(new_wa->size);
755 target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup);
759 new_wa->backup = NULL;
762 /* put new entry in list */
766 /* mark as used, and return the new (reused) area */
776 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
781 if (restore&&target->backup_working_area)
782 target->type->write_memory(target, area->address, 4, area->size / 4, area->backup);
786 /* mark user pointer invalid */
793 int target_free_working_area(struct target_s *target, working_area_t *area)
795 return target_free_working_area_restore(target, area, 1);
798 int target_free_all_working_areas_restore(struct target_s *target, int restore)
800 working_area_t *c = target->working_areas;
804 working_area_t *next = c->next;
805 target_free_working_area_restore(target, c, restore);
815 target->working_areas = NULL;
820 int target_free_all_working_areas(struct target_s *target)
822 return target_free_all_working_areas_restore(target, 1);
825 int target_register_commands(struct command_context_s *cmd_ctx)
827 register_command(cmd_ctx, NULL, "target", handle_target_command, COMMAND_CONFIG, "target <cpu> [reset_init default - DEPRECATED] <chainpos> <endianness> <variant> [cpu type specifc args]");
828 register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL);
829 register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_ANY, "working_area <target#> <address> <size> <'backup'|'nobackup'> [virtual address]");
830 register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "virt2phys <virtual address>");
831 register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "PRELIMINARY! - profile <seconds> <gmon.out>");
834 /* script procedures */
835 register_jim(cmd_ctx, "ocd_mem2array", jim_mem2array, "read memory and return as a TCL array for script processing");
836 register_jim(cmd_ctx, "ocd_array2mem", jim_array2mem, "convert a TCL array to memory locations and write the values");
840 int target_arch_state(struct target_s *target)
845 LOG_USER("No target has been configured");
849 LOG_USER("target state: %s", target_state_strings[target->state]);
851 if (target->state!=TARGET_HALTED)
854 retval=target->type->arch_state(target);
858 /* Single aligned words are guaranteed to use 16 or 32 bit access
859 * mode respectively, otherwise data is handled as quickly as
862 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
865 LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
867 if (!target->type->examined)
869 LOG_ERROR("Target not examined yet");
873 if (address+size<address)
875 /* GDB can request this when e.g. PC is 0xfffffffc*/
876 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
880 if (((address % 2) == 0) && (size == 2))
882 return target->type->write_memory(target, address, 2, 1, buffer);
885 /* handle unaligned head bytes */
888 int unaligned = 4 - (address % 4);
890 if (unaligned > size)
893 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
897 address += unaligned;
901 /* handle aligned words */
904 int aligned = size - (size % 4);
906 /* use bulk writes above a certain limit. This may have to be changed */
909 if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
914 if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
923 /* handle tail writes of less than 4 bytes */
926 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
934 /* Single aligned words are guaranteed to use 16 or 32 bit access
935 * mode respectively, otherwise data is handled as quickly as
938 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
941 LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
943 if (!target->type->examined)
945 LOG_ERROR("Target not examined yet");
949 if (address+size<address)
951 /* GDB can request this when e.g. PC is 0xfffffffc*/
952 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
956 if (((address % 2) == 0) && (size == 2))
958 return target->type->read_memory(target, address, 2, 1, buffer);
961 /* handle unaligned head bytes */
964 int unaligned = 4 - (address % 4);
966 if (unaligned > size)
969 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
973 address += unaligned;
977 /* handle aligned words */
980 int aligned = size - (size % 4);
982 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
990 /* handle tail writes of less than 4 bytes */
993 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1000 int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc)
1006 if (!target->type->examined)
1008 LOG_ERROR("Target not examined yet");
1012 if ((retval = target->type->checksum_memory(target, address,
1013 size, &checksum)) == ERROR_TARGET_RESOURCE_NOT_AVAILABLE)
1015 buffer = malloc(size);
1018 LOG_ERROR("error allocating buffer for section (%d bytes)", size);
1019 return ERROR_INVALID_ARGUMENTS;
1021 retval = target_read_buffer(target, address, size, buffer);
1022 if (retval != ERROR_OK)
1028 /* convert to target endianess */
1029 for (i = 0; i < (size/sizeof(u32)); i++)
1032 target_data = target_buffer_get_u32(target, &buffer[i*sizeof(u32)]);
1033 target_buffer_set_u32(target, &buffer[i*sizeof(u32)], target_data);
1036 retval = image_calculate_checksum( buffer, size, &checksum );
1045 int target_blank_check_memory(struct target_s *target, u32 address, u32 size, u32* blank)
1048 if (!target->type->examined)
1050 LOG_ERROR("Target not examined yet");
1054 if (target->type->blank_check_memory == 0)
1055 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1057 retval = target->type->blank_check_memory(target, address, size, blank);
1062 int target_read_u32(struct target_s *target, u32 address, u32 *value)
1065 if (!target->type->examined)
1067 LOG_ERROR("Target not examined yet");
1071 int retval = target->type->read_memory(target, address, 4, 1, value_buf);
1073 if (retval == ERROR_OK)
1075 *value = target_buffer_get_u32(target, value_buf);
1076 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
1081 LOG_DEBUG("address: 0x%8.8x failed", address);
1087 int target_read_u16(struct target_s *target, u32 address, u16 *value)
1090 if (!target->type->examined)
1092 LOG_ERROR("Target not examined yet");
1096 int retval = target->type->read_memory(target, address, 2, 1, value_buf);
1098 if (retval == ERROR_OK)
1100 *value = target_buffer_get_u16(target, value_buf);
1101 LOG_DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
1106 LOG_DEBUG("address: 0x%8.8x failed", address);
1112 int target_read_u8(struct target_s *target, u32 address, u8 *value)
1114 int retval = target->type->read_memory(target, address, 1, 1, value);
1115 if (!target->type->examined)
1117 LOG_ERROR("Target not examined yet");
1121 if (retval == ERROR_OK)
1123 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
1128 LOG_DEBUG("address: 0x%8.8x failed", address);
1134 int target_write_u32(struct target_s *target, u32 address, u32 value)
1138 if (!target->type->examined)
1140 LOG_ERROR("Target not examined yet");
1144 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1146 target_buffer_set_u32(target, value_buf, value);
1147 if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1149 LOG_DEBUG("failed: %i", retval);
1155 int target_write_u16(struct target_s *target, u32 address, u16 value)
1159 if (!target->type->examined)
1161 LOG_ERROR("Target not examined yet");
1165 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1167 target_buffer_set_u16(target, value_buf, value);
1168 if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1170 LOG_DEBUG("failed: %i", retval);
1176 int target_write_u8(struct target_s *target, u32 address, u8 value)
1179 if (!target->type->examined)
1181 LOG_ERROR("Target not examined yet");
1185 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
1187 if ((retval = target->type->read_memory(target, address, 1, 1, &value)) != ERROR_OK)
1189 LOG_DEBUG("failed: %i", retval);
1195 int target_register_user_commands(struct command_context_s *cmd_ctx)
1197 register_command(cmd_ctx, NULL, "reg", handle_reg_command, COMMAND_EXEC, NULL);
1198 register_command(cmd_ctx, NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1199 register_command(cmd_ctx, NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1200 register_command(cmd_ctx, NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1201 register_command(cmd_ctx, NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1202 register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1203 register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init] - default is run");
1204 register_command(cmd_ctx, NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1206 register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
1207 register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
1208 register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
1210 register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value> [count]");
1211 register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value> [count]");
1212 register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value> [count]");
1214 register_command(cmd_ctx, NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
1215 register_command(cmd_ctx, NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
1216 register_command(cmd_ctx, NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
1217 register_command(cmd_ctx, NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
1219 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]");
1220 register_command(cmd_ctx, NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1221 register_command(cmd_ctx, NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1223 target_request_register_commands(cmd_ctx);
1224 trace_register_commands(cmd_ctx);
1229 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1231 target_t *target = targets;
1236 int num = strtoul(args[0], NULL, 0);
1241 target = target->next;
1245 cmd_ctx->current_target = num;
1247 command_print(cmd_ctx, "%i is out of bounds, only %i targets are configured", num, count);
1254 command_print(cmd_ctx, "%i: %s (%s), state: %s", count++, target->type->name, target_endianess_strings[target->endianness], target_state_strings[target->state]);
1255 target = target->next;
1261 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1268 return ERROR_COMMAND_SYNTAX_ERROR;
1271 /* search for the specified target */
1272 if (args[0] && (args[0][0] != 0))
1274 for (i = 0; target_types[i]; i++)
1276 if (strcmp(args[0], target_types[i]->name) == 0)
1278 target_t **last_target_p = &targets;
1280 /* register target specific commands */
1281 if (target_types[i]->register_commands(cmd_ctx) != ERROR_OK)
1283 LOG_ERROR("couldn't register '%s' commands", args[0]);
1289 while ((*last_target_p)->next)
1290 last_target_p = &((*last_target_p)->next);
1291 last_target_p = &((*last_target_p)->next);
1294 *last_target_p = malloc(sizeof(target_t));
1296 /* allocate memory for each unique target type */
1297 (*last_target_p)->type = (target_type_t*)malloc(sizeof(target_type_t));
1298 *((*last_target_p)->type) = *target_types[i];
1300 if (strcmp(args[1], "big") == 0)
1301 (*last_target_p)->endianness = TARGET_BIG_ENDIAN;
1302 else if (strcmp(args[1], "little") == 0)
1303 (*last_target_p)->endianness = TARGET_LITTLE_ENDIAN;
1306 LOG_ERROR("endianness must be either 'little' or 'big', not '%s'", args[1]);
1307 return ERROR_COMMAND_SYNTAX_ERROR;
1310 if (strcmp(args[2], "reset_halt") == 0)
1312 LOG_WARNING("reset_mode argument is obsolete.");
1313 return ERROR_COMMAND_SYNTAX_ERROR;
1315 else if (strcmp(args[2], "reset_run") == 0)
1317 LOG_WARNING("reset_mode argument is obsolete.");
1318 return ERROR_COMMAND_SYNTAX_ERROR;
1320 else if (strcmp(args[2], "reset_init") == 0)
1322 LOG_WARNING("reset_mode argument is obsolete.");
1323 return ERROR_COMMAND_SYNTAX_ERROR;
1325 else if (strcmp(args[2], "run_and_halt") == 0)
1327 LOG_WARNING("reset_mode argument is obsolete.");
1328 return ERROR_COMMAND_SYNTAX_ERROR;
1330 else if (strcmp(args[2], "run_and_init") == 0)
1332 LOG_WARNING("reset_mode argument is obsolete.");
1333 return ERROR_COMMAND_SYNTAX_ERROR;
1337 /* Kludge! we want to make this reset arg optional while remaining compatible! */
1342 (*last_target_p)->working_area = 0x0;
1343 (*last_target_p)->working_area_size = 0x0;
1344 (*last_target_p)->working_areas = NULL;
1345 (*last_target_p)->backup_working_area = 0;
1347 (*last_target_p)->state = TARGET_UNKNOWN;
1348 (*last_target_p)->debug_reason = DBG_REASON_UNDEFINED;
1349 (*last_target_p)->reg_cache = NULL;
1350 (*last_target_p)->breakpoints = NULL;
1351 (*last_target_p)->watchpoints = NULL;
1352 (*last_target_p)->next = NULL;
1353 (*last_target_p)->arch_info = NULL;
1355 /* initialize trace information */
1356 (*last_target_p)->trace_info = malloc(sizeof(trace_t));
1357 (*last_target_p)->trace_info->num_trace_points = 0;
1358 (*last_target_p)->trace_info->trace_points_size = 0;
1359 (*last_target_p)->trace_info->trace_points = NULL;
1360 (*last_target_p)->trace_info->trace_history_size = 0;
1361 (*last_target_p)->trace_info->trace_history = NULL;
1362 (*last_target_p)->trace_info->trace_history_pos = 0;
1363 (*last_target_p)->trace_info->trace_history_overflowed = 0;
1365 (*last_target_p)->dbgmsg = NULL;
1366 (*last_target_p)->dbg_msg_enabled = 0;
1368 (*last_target_p)->type->target_command(cmd_ctx, cmd, args, argc, *last_target_p);
1376 /* no matching target found */
1379 LOG_ERROR("target '%s' not found", args[0]);
1380 return ERROR_COMMAND_SYNTAX_ERROR;
1386 int target_invoke_script(struct command_context_s *cmd_ctx, target_t *target, char *name)
1388 return command_run_linef(cmd_ctx, " if {[catch {info body target_%d_%s} t]==0} {target_%d_%s}",
1389 get_num_by_target(target), name,
1390 get_num_by_target(target), name);
1393 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1395 target_t *target = NULL;
1397 if ((argc < 4) || (argc > 5))
1399 return ERROR_COMMAND_SYNTAX_ERROR;
1402 target = get_target_by_num(strtoul(args[0], NULL, 0));
1405 return ERROR_COMMAND_SYNTAX_ERROR;
1407 target_free_all_working_areas(target);
1409 target->working_area_phys = target->working_area_virt = strtoul(args[1], NULL, 0);
1412 target->working_area_virt = strtoul(args[4], NULL, 0);
1414 target->working_area_size = strtoul(args[2], NULL, 0);
1416 if (strcmp(args[3], "backup") == 0)
1418 target->backup_working_area = 1;
1420 else if (strcmp(args[3], "nobackup") == 0)
1422 target->backup_working_area = 0;
1426 LOG_ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
1427 return ERROR_COMMAND_SYNTAX_ERROR;
1434 /* process target state changes */
1435 int handle_target(void *priv)
1437 target_t *target = targets;
1441 if (target_continous_poll)
1443 /* polling may fail silently until the target has been examined */
1444 target_poll(target);
1447 target = target->next;
1453 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1462 target = get_current_target(cmd_ctx);
1464 /* list all available registers for the current target */
1467 reg_cache_t *cache = target->reg_cache;
1473 for (i = 0; i < cache->num_regs; i++)
1475 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1476 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);
1479 cache = cache->next;
1485 /* access a single register by its ordinal number */
1486 if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1488 int num = strtoul(args[0], NULL, 0);
1489 reg_cache_t *cache = target->reg_cache;
1495 for (i = 0; i < cache->num_regs; i++)
1499 reg = &cache->reg_list[i];
1505 cache = cache->next;
1510 command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1513 } else /* access a single register by its name */
1515 reg = register_get_by_name(target->reg_cache, args[0], 1);
1519 command_print(cmd_ctx, "register %s not found in current target", args[0]);
1524 /* display a register */
1525 if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1527 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1530 if (reg->valid == 0)
1532 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1533 if (arch_type == NULL)
1535 LOG_ERROR("BUG: encountered unregistered arch type");
1538 arch_type->get(reg);
1540 value = buf_to_str(reg->value, reg->size, 16);
1541 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1546 /* set register value */
1549 u8 *buf = malloc(CEIL(reg->size, 8));
1550 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1552 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1553 if (arch_type == NULL)
1555 LOG_ERROR("BUG: encountered unregistered arch type");
1559 arch_type->set(reg, buf);
1561 value = buf_to_str(reg->value, reg->size, 16);
1562 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1570 command_print(cmd_ctx, "usage: reg <#|name> [value]");
1576 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1578 target_t *target = get_current_target(cmd_ctx);
1582 target_poll(target);
1583 target_arch_state(target);
1587 if (strcmp(args[0], "on") == 0)
1589 target_continous_poll = 1;
1591 else if (strcmp(args[0], "off") == 0)
1593 target_continous_poll = 0;
1597 command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1605 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1613 ms = strtoul(args[0], &end, 0) * 1000;
1616 command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1620 target_t *target = get_current_target(cmd_ctx);
1622 return target_wait_state(target, TARGET_HALTED, ms);
1625 int target_wait_state(target_t *target, enum target_state state, int ms)
1628 struct timeval timeout, now;
1630 gettimeofday(&timeout, NULL);
1631 timeval_add_time(&timeout, 0, ms * 1000);
1635 if ((retval=target_poll(target))!=ERROR_OK)
1637 target_call_timer_callbacks_now();
1638 if (target->state == state)
1645 LOG_USER("waiting for target %s...", target_state_strings[state]);
1648 gettimeofday(&now, NULL);
1649 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
1651 LOG_ERROR("timed out while waiting for target %s", target_state_strings[state]);
1659 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1662 target_t *target = get_current_target(cmd_ctx);
1666 if ((retval = target_halt(target)) != ERROR_OK)
1671 return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1674 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1676 target_t *target = get_current_target(cmd_ctx);
1678 LOG_USER("requesting target halt and executing a soft reset");
1680 target->type->soft_reset_halt(target);
1685 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1687 enum target_reset_mode reset_mode = RESET_RUN;
1691 if (strcmp("run", args[0]) == 0)
1692 reset_mode = RESET_RUN;
1693 else if (strcmp("halt", args[0]) == 0)
1694 reset_mode = RESET_HALT;
1695 else if (strcmp("init", args[0]) == 0)
1696 reset_mode = RESET_INIT;
1699 return ERROR_COMMAND_SYNTAX_ERROR;
1703 /* reset *all* targets */
1704 target_process_reset(cmd_ctx, reset_mode);
1709 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1712 target_t *target = get_current_target(cmd_ctx);
1714 target_invoke_script(cmd_ctx, target, "pre_resume");
1717 retval = target_resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1719 retval = target_resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1722 return ERROR_COMMAND_SYNTAX_ERROR;
1728 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1730 target_t *target = get_current_target(cmd_ctx);
1735 target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1738 target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1743 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1745 const int line_bytecnt = 32;
1758 target_t *target = get_current_target(cmd_ctx);
1764 count = strtoul(args[1], NULL, 0);
1766 address = strtoul(args[0], NULL, 0);
1772 size = 4; line_modulo = line_bytecnt / 4;
1775 size = 2; line_modulo = line_bytecnt / 2;
1778 size = 1; line_modulo = line_bytecnt / 1;
1784 buffer = calloc(count, size);
1785 retval = target->type->read_memory(target, address, size, count, buffer);
1786 if (retval == ERROR_OK)
1790 for (i = 0; i < count; i++)
1792 if (i%line_modulo == 0)
1793 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1798 output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1801 output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1804 output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1808 if ((i%line_modulo == line_modulo-1) || (i == count - 1))
1810 command_print(cmd_ctx, output);
1821 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1828 target_t *target = get_current_target(cmd_ctx);
1831 if ((argc < 2) || (argc > 3))
1832 return ERROR_COMMAND_SYNTAX_ERROR;
1834 address = strtoul(args[0], NULL, 0);
1835 value = strtoul(args[1], NULL, 0);
1837 count = strtoul(args[2], NULL, 0);
1843 target_buffer_set_u32(target, value_buf, value);
1847 target_buffer_set_u16(target, value_buf, value);
1851 value_buf[0] = value;
1854 return ERROR_COMMAND_SYNTAX_ERROR;
1856 for (i=0; i<count; i++)
1862 retval = target->type->write_memory(target, address + i*wordsize, 4, 1, value_buf);
1865 retval = target->type->write_memory(target, address + i*wordsize, 2, 1, value_buf);
1868 retval = target->type->write_memory(target, address + i*wordsize, 1, 1, value_buf);
1873 if (retval!=ERROR_OK)
1883 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1889 u32 max_address=0xffffffff;
1895 duration_t duration;
1896 char *duration_text;
1898 target_t *target = get_current_target(cmd_ctx);
1900 if ((argc < 1)||(argc > 5))
1902 return ERROR_COMMAND_SYNTAX_ERROR;
1905 /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
1908 image.base_address_set = 1;
1909 image.base_address = strtoul(args[1], NULL, 0);
1913 image.base_address_set = 0;
1917 image.start_address_set = 0;
1921 min_address=strtoul(args[3], NULL, 0);
1925 max_address=strtoul(args[4], NULL, 0)+min_address;
1928 if (min_address>max_address)
1930 return ERROR_COMMAND_SYNTAX_ERROR;
1934 duration_start_measure(&duration);
1936 if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
1943 for (i = 0; i < image.num_sections; i++)
1945 buffer = malloc(image.sections[i].size);
1948 command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
1952 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
1962 /* DANGER!!! beware of unsigned comparision here!!! */
1964 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
1965 (image.sections[i].base_address<max_address))
1967 if (image.sections[i].base_address<min_address)
1969 /* clip addresses below */
1970 offset+=min_address-image.sections[i].base_address;
1974 if (image.sections[i].base_address+buf_cnt>max_address)
1976 length-=(image.sections[i].base_address+buf_cnt)-max_address;
1979 if ((retval = target_write_buffer(target, image.sections[i].base_address+offset, length, buffer+offset)) != ERROR_OK)
1984 image_size += length;
1985 command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
1991 duration_stop_measure(&duration, &duration_text);
1992 if (retval==ERROR_OK)
1994 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
1996 free(duration_text);
1998 image_close(&image);
2004 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2011 int retval=ERROR_OK;
2013 duration_t duration;
2014 char *duration_text;
2016 target_t *target = get_current_target(cmd_ctx);
2020 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2024 address = strtoul(args[1], NULL, 0);
2025 size = strtoul(args[2], NULL, 0);
2027 if ((address & 3) || (size & 3))
2029 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
2033 if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2038 duration_start_measure(&duration);
2043 u32 this_run_size = (size > 560) ? 560 : size;
2045 retval = target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
2046 if (retval != ERROR_OK)
2051 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2052 if (retval != ERROR_OK)
2057 size -= this_run_size;
2058 address += this_run_size;
2061 fileio_close(&fileio);
2063 duration_stop_measure(&duration, &duration_text);
2064 if (retval==ERROR_OK)
2066 command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
2068 free(duration_text);
2073 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2081 u32 mem_checksum = 0;
2085 duration_t duration;
2086 char *duration_text;
2088 target_t *target = get_current_target(cmd_ctx);
2092 return ERROR_COMMAND_SYNTAX_ERROR;
2097 LOG_ERROR("no target selected");
2101 duration_start_measure(&duration);
2105 image.base_address_set = 1;
2106 image.base_address = strtoul(args[1], NULL, 0);
2110 image.base_address_set = 0;
2111 image.base_address = 0x0;
2114 image.start_address_set = 0;
2116 if ((retval=image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2123 for (i = 0; i < image.num_sections; i++)
2125 buffer = malloc(image.sections[i].size);
2128 command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2131 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2137 /* calculate checksum of image */
2138 image_calculate_checksum( buffer, buf_cnt, &checksum );
2140 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2141 if( retval != ERROR_OK )
2147 if( checksum != mem_checksum )
2149 /* failed crc checksum, fall back to a binary compare */
2152 command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2154 data = (u8*)malloc(buf_cnt);
2156 /* Can we use 32bit word accesses? */
2158 int count = buf_cnt;
2159 if ((count % 4) == 0)
2164 retval = target->type->read_memory(target, image.sections[i].base_address, size, count, data);
2165 if (retval == ERROR_OK)
2168 for (t = 0; t < buf_cnt; t++)
2170 if (data[t] != buffer[t])
2172 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]);
2185 image_size += buf_cnt;
2188 duration_stop_measure(&duration, &duration_text);
2189 if (retval==ERROR_OK)
2191 command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2193 free(duration_text);
2195 image_close(&image);
2200 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2203 target_t *target = get_current_target(cmd_ctx);
2207 breakpoint_t *breakpoint = target->breakpoints;
2211 if (breakpoint->type == BKPT_SOFT)
2213 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
2214 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
2219 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
2221 breakpoint = breakpoint->next;
2229 length = strtoul(args[1], NULL, 0);
2232 if (strcmp(args[2], "hw") == 0)
2235 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
2237 LOG_ERROR("Failure setting breakpoints");
2241 command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
2246 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2252 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2254 target_t *target = get_current_target(cmd_ctx);
2257 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2262 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2264 target_t *target = get_current_target(cmd_ctx);
2269 watchpoint_t *watchpoint = target->watchpoints;
2273 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);
2274 watchpoint = watchpoint->next;
2279 enum watchpoint_rw type = WPT_ACCESS;
2280 u32 data_value = 0x0;
2281 u32 data_mask = 0xffffffff;
2297 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2303 data_value = strtoul(args[3], NULL, 0);
2307 data_mask = strtoul(args[4], NULL, 0);
2310 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2311 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2313 LOG_ERROR("Failure setting breakpoints");
2318 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2324 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2326 target_t *target = get_current_target(cmd_ctx);
2329 watchpoint_remove(target, strtoul(args[0], NULL, 0));
2334 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
2337 target_t *target = get_current_target(cmd_ctx);
2343 return ERROR_COMMAND_SYNTAX_ERROR;
2345 va = strtoul(args[0], NULL, 0);
2347 retval = target->type->virt2phys(target, va, &pa);
2348 if (retval == ERROR_OK)
2350 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2354 /* lower levels will have logged a detailed error which is
2355 * forwarded to telnet/GDB session.
2360 static void writeLong(FILE *f, int l)
2365 char c=(l>>(i*8))&0xff;
2366 fwrite(&c, 1, 1, f);
2370 static void writeString(FILE *f, char *s)
2372 fwrite(s, 1, strlen(s), f);
2377 // Dump a gmon.out histogram file.
2378 static void writeGmon(u32 *samples, int sampleNum, char *filename)
2381 FILE *f=fopen(filename, "w");
2384 fwrite("gmon", 1, 4, f);
2385 writeLong(f, 0x00000001); // Version
2386 writeLong(f, 0); // padding
2387 writeLong(f, 0); // padding
2388 writeLong(f, 0); // padding
2390 fwrite("", 1, 1, f); // GMON_TAG_TIME_HIST
2392 // figure out bucket size
2395 for (i=0; i<sampleNum; i++)
2407 int addressSpace=(max-min+1);
2409 static int const maxBuckets=256*1024; // maximum buckets.
2410 int length=addressSpace;
2411 if (length > maxBuckets)
2415 int *buckets=malloc(sizeof(int)*length);
2421 memset(buckets, 0, sizeof(int)*length);
2422 for (i=0; i<sampleNum;i++)
2424 u32 address=samples[i];
2425 long long a=address-min;
2426 long long b=length-1;
2427 long long c=addressSpace-1;
2428 int index=(a*b)/c; // danger!!!! int32 overflows
2432 // append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr))
2433 writeLong(f, min); // low_pc
2434 writeLong(f, max); // high_pc
2435 writeLong(f, length); // # of samples
2436 writeLong(f, 64000000); // 64MHz
2437 writeString(f, "seconds");
2438 for (i=0; i<(15-strlen("seconds")); i++)
2440 fwrite("", 1, 1, f); // padding
2442 writeString(f, "s");
2444 // append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size)
2446 char *data=malloc(2*length);
2449 for (i=0; i<length;i++)
2458 data[i*2+1]=(val>>8)&0xff;
2461 fwrite(data, 1, length*2, f);
2471 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
2472 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2474 target_t *target = get_current_target(cmd_ctx);
2475 struct timeval timeout, now;
2477 gettimeofday(&timeout, NULL);
2480 return ERROR_COMMAND_SYNTAX_ERROR;
2483 timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
2489 command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
2491 static const int maxSample=10000;
2492 u32 *samples=malloc(sizeof(u32)*maxSample);
2497 int retval=ERROR_OK;
2498 // hopefully it is safe to cache! We want to stop/restart as quickly as possible.
2499 reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
2503 target_poll(target);
2504 if (target->state == TARGET_HALTED)
2506 u32 t=*((u32 *)reg->value);
2507 samples[numSamples++]=t;
2508 retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2509 target_poll(target);
2510 usleep(10*1000); // sleep 10ms, i.e. <100 samples/second.
2511 } else if (target->state == TARGET_RUNNING)
2513 // We want to quickly sample the PC.
2514 target_halt(target);
2517 command_print(cmd_ctx, "Target not halted or running");
2521 if (retval!=ERROR_OK)
2526 gettimeofday(&now, NULL);
2527 if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
2529 command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
2530 target_poll(target);
2531 if (target->state == TARGET_HALTED)
2533 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2535 target_poll(target);
2536 writeGmon(samples, numSamples, args[1]);
2537 command_print(cmd_ctx, "Wrote %s", args[1]);
2546 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 val)
2549 Jim_Obj *nameObjPtr, *valObjPtr;
2552 namebuf = alloc_printf("%s(%d)", varname, idx);
2556 nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2557 valObjPtr = Jim_NewIntObj(interp, val);
2558 if (!nameObjPtr || !valObjPtr)
2564 Jim_IncrRefCount(nameObjPtr);
2565 Jim_IncrRefCount(valObjPtr);
2566 result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
2567 Jim_DecrRefCount(interp, nameObjPtr);
2568 Jim_DecrRefCount(interp, valObjPtr);
2570 /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
2574 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2577 command_context_t *context;
2584 const char *varname;
2586 int i, n, e, retval;
2588 /* argv[1] = name of array to receive the data
2589 * argv[2] = desired width
2590 * argv[3] = memory address
2591 * argv[4] = count of times to read
2594 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2597 varname = Jim_GetString(argv[1], &len);
2598 /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2600 e = Jim_GetLong(interp, argv[2], &l);
2606 e = Jim_GetLong(interp, argv[3], &l);
2611 e = Jim_GetLong(interp, argv[4], &l);
2627 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2628 Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2632 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2633 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
2636 if ((addr + (len * width)) < addr) {
2637 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2638 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
2641 /* absurd transfer size? */
2643 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2644 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
2649 ((width == 2) && ((addr & 1) == 0)) ||
2650 ((width == 4) && ((addr & 3) == 0))) {
2654 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2655 sprintf(buf, "mem2array address: 0x%08x is not aligned for %d byte reads", addr, width);
2656 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2660 context = Jim_GetAssocData(interp, "context");
2661 if (context == NULL)
2663 LOG_ERROR("mem2array: no command context");
2666 target = get_current_target(context);
2669 LOG_ERROR("mem2array: no current target");
2680 /* Slurp... in buffer size chunks */
2682 count = len; /* in objects.. */
2683 if (count > (sizeof(buffer)/width)) {
2684 count = (sizeof(buffer)/width);
2687 retval = target->type->read_memory( target, addr, width, count, buffer );
2688 if (retval != ERROR_OK) {
2690 LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
2691 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2692 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
2696 v = 0; /* shut up gcc */
2697 for (i = 0 ;i < count ;i++, n++) {
2700 v = target_buffer_get_u32(target, &buffer[i*width]);
2703 v = target_buffer_get_u16(target, &buffer[i*width]);
2706 v = buffer[i] & 0x0ff;
2709 new_int_array_element(interp, varname, n, v);
2715 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2720 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 *val)
2723 Jim_Obj *nameObjPtr, *valObjPtr;
2727 namebuf = alloc_printf("%s(%d)", varname, idx);
2731 nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2738 Jim_IncrRefCount(nameObjPtr);
2739 valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
2740 Jim_DecrRefCount(interp, nameObjPtr);
2742 if (valObjPtr == NULL)
2745 result = Jim_GetLong(interp, valObjPtr, &l);
2746 /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
2751 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2754 command_context_t *context;
2761 const char *varname;
2763 int i, n, e, retval;
2765 /* argv[1] = name of array to get the data
2766 * argv[2] = desired width
2767 * argv[3] = memory address
2768 * argv[4] = count to write
2771 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2774 varname = Jim_GetString(argv[1], &len);
2775 /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2777 e = Jim_GetLong(interp, argv[2], &l);
2783 e = Jim_GetLong(interp, argv[3], &l);
2788 e = Jim_GetLong(interp, argv[4], &l);
2804 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2805 Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2809 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2810 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
2813 if ((addr + (len * width)) < addr) {
2814 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2815 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
2818 /* absurd transfer size? */
2820 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2821 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
2826 ((width == 2) && ((addr & 1) == 0)) ||
2827 ((width == 4) && ((addr & 3) == 0))) {
2831 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2832 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads", addr, width);
2833 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2837 context = Jim_GetAssocData(interp, "context");
2838 if (context == NULL)
2840 LOG_ERROR("array2mem: no command context");
2843 target = get_current_target(context);
2846 LOG_ERROR("array2mem: no current target");
2857 /* Slurp... in buffer size chunks */
2859 count = len; /* in objects.. */
2860 if (count > (sizeof(buffer)/width)) {
2861 count = (sizeof(buffer)/width);
2864 v = 0; /* shut up gcc */
2865 for (i = 0 ;i < count ;i++, n++) {
2866 get_int_array_element(interp, varname, n, &v);
2869 target_buffer_set_u32(target, &buffer[i*width], v);
2872 target_buffer_set_u16(target, &buffer[i*width], v);
2875 buffer[i] = v & 0x0ff;
2881 retval = target->type->write_memory(target, addr, width, count, buffer);
2882 if (retval != ERROR_OK) {
2884 LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
2885 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2886 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
2892 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));