1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
24 #include "replacements.h"
28 #include "configuration.h"
29 #include "binarybuffer.h"
36 #include <sys/types.h>
44 #include <time_support.h>
49 int cli_target_callback_event_handler(struct target_s *target, enum target_event event, void *priv);
51 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
52 int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
53 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
55 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
56 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
57 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
59 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
60 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
61 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
62 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
63 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
64 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
65 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
66 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
67 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
68 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
69 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
70 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
71 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
72 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
73 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
74 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
78 extern target_type_t arm7tdmi_target;
79 extern target_type_t arm720t_target;
80 extern target_type_t arm9tdmi_target;
81 extern target_type_t arm920t_target;
82 extern target_type_t arm966e_target;
83 extern target_type_t arm926ejs_target;
84 extern target_type_t xscale_target;
85 extern target_type_t cortexm3_target;
87 target_type_t *target_types[] =
100 target_t *targets = NULL;
101 target_event_callback_t *target_event_callbacks = NULL;
102 target_timer_callback_t *target_timer_callbacks = NULL;
104 char *target_state_strings[] =
113 char *target_debug_reason_strings[] =
115 "debug request", "breakpoint", "watchpoint",
116 "watchpoint and breakpoint", "single step",
120 char *target_endianess_strings[] =
126 enum daemon_startup_mode startup_mode = DAEMON_ATTACH;
128 static int target_continous_poll = 1;
130 /* read a u32 from a buffer in target memory endianness */
131 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
133 if (target->endianness == TARGET_LITTLE_ENDIAN)
134 return le_to_h_u32(buffer);
136 return be_to_h_u32(buffer);
139 /* read a u16 from a buffer in target memory endianness */
140 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
142 if (target->endianness == TARGET_LITTLE_ENDIAN)
143 return le_to_h_u16(buffer);
145 return be_to_h_u16(buffer);
148 /* write a u32 to a buffer in target memory endianness */
149 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
151 if (target->endianness == TARGET_LITTLE_ENDIAN)
152 h_u32_to_le(buffer, value);
154 h_u32_to_be(buffer, value);
157 /* write a u16 to a buffer in target memory endianness */
158 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
160 if (target->endianness == TARGET_LITTLE_ENDIAN)
161 h_u16_to_le(buffer, value);
163 h_u16_to_be(buffer, value);
166 /* returns a pointer to the n-th configured target */
167 target_t* get_target_by_num(int num)
169 target_t *target = targets;
176 target = target->next;
183 int get_num_by_target(target_t *query_target)
185 target_t *target = targets;
190 if (target == query_target)
192 target = target->next;
199 target_t* get_current_target(command_context_t *cmd_ctx)
201 target_t *target = get_target_by_num(cmd_ctx->current_target);
205 ERROR("BUG: current_target out of bounds");
212 /* Process target initialization, when target entered debug out of reset
213 * the handler is unregistered at the end of this function, so it's only called once
215 int target_init_handler(struct target_s *target, enum target_event event, void *priv)
218 struct command_context_s *cmd_ctx = priv;
220 if ((event == TARGET_EVENT_HALTED) && (target->reset_script))
222 target_unregister_event_callback(target_init_handler, priv);
224 script = fopen(target->reset_script, "r");
227 ERROR("couldn't open script file %s", target->reset_script);
231 INFO("executing reset script '%s'", target->reset_script);
232 command_run_file(cmd_ctx, script, COMMAND_EXEC);
235 jtag_execute_queue();
241 int target_run_and_halt_handler(void *priv)
243 target_t *target = priv;
245 target->type->halt(target);
250 int target_process_reset(struct command_context_s *cmd_ctx)
252 int retval = ERROR_OK;
255 /* prepare reset_halt where necessary */
259 switch (target->reset_mode)
263 target->type->prepare_reset_halt(target);
268 target = target->next;
274 target->type->assert_reset(target);
275 target = target->next;
277 jtag_execute_queue();
279 /* request target halt if necessary, and schedule further action */
283 switch (target->reset_mode)
286 /* nothing to do if target just wants to be run */
288 case RESET_RUN_AND_HALT:
290 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
292 case RESET_RUN_AND_INIT:
294 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
295 target_register_event_callback(target_init_handler, cmd_ctx);
298 target->type->halt(target);
301 target->type->halt(target);
302 target_register_event_callback(target_init_handler, cmd_ctx);
305 ERROR("BUG: unknown target->reset_mode");
307 target = target->next;
313 target->type->deassert_reset(target);
314 target = target->next;
316 jtag_execute_queue();
321 int target_init(struct command_context_s *cmd_ctx)
323 target_t *target = targets;
327 if (target->type->init_target(cmd_ctx, target) != ERROR_OK)
329 ERROR("target '%s' init failed", target->type->name);
332 target = target->next;
337 target_register_user_commands(cmd_ctx);
338 target_register_timer_callback(handle_target, 100, 1, NULL);
341 if (startup_mode == DAEMON_RESET)
342 target_process_reset(cmd_ctx);
347 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
349 target_event_callback_t **callbacks_p = &target_event_callbacks;
351 if (callback == NULL)
353 return ERROR_INVALID_ARGUMENTS;
358 while ((*callbacks_p)->next)
359 callbacks_p = &((*callbacks_p)->next);
360 callbacks_p = &((*callbacks_p)->next);
363 (*callbacks_p) = malloc(sizeof(target_event_callback_t));
364 (*callbacks_p)->callback = callback;
365 (*callbacks_p)->priv = priv;
366 (*callbacks_p)->next = NULL;
371 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
373 target_timer_callback_t **callbacks_p = &target_timer_callbacks;
376 if (callback == NULL)
378 return ERROR_INVALID_ARGUMENTS;
383 while ((*callbacks_p)->next)
384 callbacks_p = &((*callbacks_p)->next);
385 callbacks_p = &((*callbacks_p)->next);
388 (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
389 (*callbacks_p)->callback = callback;
390 (*callbacks_p)->periodic = periodic;
391 (*callbacks_p)->time_ms = time_ms;
393 gettimeofday(&now, NULL);
394 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
395 time_ms -= (time_ms % 1000);
396 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
397 if ((*callbacks_p)->when.tv_usec > 1000000)
399 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
400 (*callbacks_p)->when.tv_sec += 1;
403 (*callbacks_p)->priv = priv;
404 (*callbacks_p)->next = NULL;
409 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
411 target_event_callback_t **p = &target_event_callbacks;
412 target_event_callback_t *c = target_event_callbacks;
414 if (callback == NULL)
416 return ERROR_INVALID_ARGUMENTS;
421 target_event_callback_t *next = c->next;
422 if ((c->callback == callback) && (c->priv == priv))
436 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
438 target_timer_callback_t **p = &target_timer_callbacks;
439 target_timer_callback_t *c = target_timer_callbacks;
441 if (callback == NULL)
443 return ERROR_INVALID_ARGUMENTS;
448 target_timer_callback_t *next = c->next;
449 if ((c->callback == callback) && (c->priv == priv))
463 int target_call_event_callbacks(target_t *target, enum target_event event)
465 target_event_callback_t *callback = target_event_callbacks;
466 target_event_callback_t *next_callback;
468 DEBUG("target event %i", event);
472 next_callback = callback->next;
473 callback->callback(target, event, callback->priv);
474 callback = next_callback;
480 int target_call_timer_callbacks()
482 target_timer_callback_t *callback = target_timer_callbacks;
483 target_timer_callback_t *next_callback;
486 gettimeofday(&now, NULL);
490 next_callback = callback->next;
492 if (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
493 || (now.tv_sec > callback->when.tv_sec))
495 callback->callback(callback->priv);
496 if (callback->periodic)
498 int time_ms = callback->time_ms;
499 callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
500 time_ms -= (time_ms % 1000);
501 callback->when.tv_sec = now.tv_sec + time_ms / 1000;
502 if (callback->when.tv_usec > 1000000)
504 callback->when.tv_usec = callback->when.tv_usec - 1000000;
505 callback->when.tv_sec += 1;
509 target_unregister_timer_callback(callback->callback, callback->priv);
512 callback = next_callback;
518 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
520 working_area_t *c = target->working_areas;
521 working_area_t *new_wa = NULL;
523 /* only allocate multiples of 4 byte */
526 ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
527 size = CEIL(size, 4);
530 /* see if there's already a matching working area */
533 if ((c->free) && (c->size == size))
541 /* if not, allocate a new one */
544 working_area_t **p = &target->working_areas;
545 u32 first_free = target->working_area;
546 u32 free_size = target->working_area_size;
548 DEBUG("allocating new working area");
550 c = target->working_areas;
553 first_free += c->size;
554 free_size -= c->size;
559 if (free_size < size)
561 WARNING("not enough working area available");
562 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
565 new_wa = malloc(sizeof(working_area_t));
568 new_wa->address = first_free;
570 if (target->backup_working_area)
572 new_wa->backup = malloc(new_wa->size);
573 target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup);
577 new_wa->backup = NULL;
580 /* put new entry in list */
584 /* mark as used, and return the new (reused) area */
594 int target_free_working_area(struct target_s *target, working_area_t *area)
599 if (target->backup_working_area)
600 target->type->write_memory(target, area->address, 4, area->size / 4, area->backup);
604 /* mark user pointer invalid */
611 int target_free_all_working_areas(struct target_s *target)
613 working_area_t *c = target->working_areas;
617 working_area_t *next = c->next;
618 target_free_working_area(target, c);
628 target->working_areas = NULL;
633 int target_register_commands(struct command_context_s *cmd_ctx)
635 register_command(cmd_ctx, NULL, "target", handle_target_command, COMMAND_CONFIG, NULL);
636 register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL);
637 register_command(cmd_ctx, NULL, "daemon_startup", handle_daemon_startup_command, COMMAND_CONFIG, NULL);
638 register_command(cmd_ctx, NULL, "target_script", handle_target_script_command, COMMAND_CONFIG, NULL);
639 register_command(cmd_ctx, NULL, "run_and_halt_time", handle_run_and_halt_time_command, COMMAND_CONFIG, NULL);
640 register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_CONFIG, NULL);
645 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
649 DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
651 /* handle writes of less than 4 byte */
654 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
659 /* handle unaligned head bytes */
662 int unaligned = 4 - (address % 4);
664 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
668 address += unaligned;
672 /* handle aligned words */
675 int aligned = size - (size % 4);
677 /* use bulk writes above a certain limit. This may have to be changed */
680 if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
685 if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
694 /* handle tail writes of less than 4 bytes */
697 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
704 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
708 DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
710 /* handle reads of less than 4 byte */
713 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
718 /* handle unaligned head bytes */
721 int unaligned = 4 - (address % 4);
723 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
727 address += unaligned;
731 /* handle aligned words */
734 int aligned = size - (size % 4);
736 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
744 /* handle tail writes of less than 4 bytes */
747 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
754 int target_read_u32(struct target_s *target, u32 address, u32 *value)
758 int retval = target->type->read_memory(target, address, 4, 1, value_buf);
760 if (retval == ERROR_OK)
762 *value = target_buffer_get_u32(target, value_buf);
763 DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
768 DEBUG("address: 0x%8.8x failed", address);
774 int target_read_u16(struct target_s *target, u32 address, u16 *value)
778 int retval = target->type->read_memory(target, address, 2, 1, value_buf);
780 if (retval == ERROR_OK)
782 *value = target_buffer_get_u16(target, value_buf);
783 DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
788 DEBUG("address: 0x%8.8x failed", address);
794 int target_read_u8(struct target_s *target, u32 address, u8 *value)
796 int retval = target->type->read_memory(target, address, 1, 1, value);
798 if (retval == ERROR_OK)
800 DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
805 DEBUG("address: 0x%8.8x failed", address);
811 int target_write_u32(struct target_s *target, u32 address, u32 value)
816 DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
818 target_buffer_set_u32(target, value_buf, value);
819 if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
821 DEBUG("failed: %i", retval);
827 int target_write_u16(struct target_s *target, u32 address, u16 value)
832 DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
834 target_buffer_set_u16(target, value_buf, value);
835 if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
837 DEBUG("failed: %i", retval);
843 int target_write_u8(struct target_s *target, u32 address, u8 value)
847 DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
849 if ((retval = target->type->read_memory(target, address, 1, 1, &value)) != ERROR_OK)
851 DEBUG("failed: %i", retval);
857 int target_register_user_commands(struct command_context_s *cmd_ctx)
859 register_command(cmd_ctx, NULL, "reg", handle_reg_command, COMMAND_EXEC, NULL);
860 register_command(cmd_ctx, NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
861 register_command(cmd_ctx, NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
862 register_command(cmd_ctx, NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
863 register_command(cmd_ctx, NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
864 register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction");
865 register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init|run_and_halt|run_and_init]");
866 register_command(cmd_ctx, NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
868 register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
869 register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
870 register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
872 register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value>");
873 register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value>");
874 register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value>");
876 register_command(cmd_ctx, NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
877 register_command(cmd_ctx, NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
878 register_command(cmd_ctx, NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
879 register_command(cmd_ctx, NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
881 register_command(cmd_ctx, NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex'|'elf']");
882 register_command(cmd_ctx, NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
883 register_command(cmd_ctx, NULL, "load_binary", handle_load_image_command, COMMAND_EXEC, "[DEPRECATED] load_binary <file> <address>");
884 register_command(cmd_ctx, NULL, "dump_binary", handle_dump_image_command, COMMAND_EXEC, "[DEPRECATED] dump_binary <file> <address> <size>");
889 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
891 target_t *target = targets;
896 int num = strtoul(args[0], NULL, 0);
901 target = target->next;
905 cmd_ctx->current_target = num;
907 command_print(cmd_ctx, "%i is out of bounds, only %i targets are configured", num, count);
914 command_print(cmd_ctx, "%i: %s (%s), state: %s", count++, target->type->name, target_endianess_strings[target->endianness], target_state_strings[target->state]);
915 target = target->next;
921 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
928 ERROR("target command requires at least three arguments: <type> <endianess> <reset_mode>");
932 /* search for the specified target */
933 if (args[0] && (args[0][0] != 0))
935 for (i = 0; target_types[i]; i++)
937 if (strcmp(args[0], target_types[i]->name) == 0)
939 target_t **last_target_p = &targets;
941 /* register target specific commands */
942 if (target_types[i]->register_commands(cmd_ctx) != ERROR_OK)
944 ERROR("couldn't register '%s' commands", args[0]);
950 while ((*last_target_p)->next)
951 last_target_p = &((*last_target_p)->next);
952 last_target_p = &((*last_target_p)->next);
955 *last_target_p = malloc(sizeof(target_t));
957 (*last_target_p)->type = target_types[i];
959 if (strcmp(args[1], "big") == 0)
960 (*last_target_p)->endianness = TARGET_BIG_ENDIAN;
961 else if (strcmp(args[1], "little") == 0)
962 (*last_target_p)->endianness = TARGET_LITTLE_ENDIAN;
965 ERROR("endianness must be either 'little' or 'big', not '%s'", args[1]);
969 /* what to do on a target reset */
970 if (strcmp(args[2], "reset_halt") == 0)
971 (*last_target_p)->reset_mode = RESET_HALT;
972 else if (strcmp(args[2], "reset_run") == 0)
973 (*last_target_p)->reset_mode = RESET_RUN;
974 else if (strcmp(args[2], "reset_init") == 0)
975 (*last_target_p)->reset_mode = RESET_INIT;
976 else if (strcmp(args[2], "run_and_halt") == 0)
977 (*last_target_p)->reset_mode = RESET_RUN_AND_HALT;
978 else if (strcmp(args[2], "run_and_init") == 0)
979 (*last_target_p)->reset_mode = RESET_RUN_AND_INIT;
982 ERROR("unknown target startup mode %s", args[2]);
985 (*last_target_p)->run_and_halt_time = 1000; /* default 1s */
987 (*last_target_p)->reset_script = NULL;
988 (*last_target_p)->post_halt_script = NULL;
989 (*last_target_p)->pre_resume_script = NULL;
991 (*last_target_p)->working_area = 0x0;
992 (*last_target_p)->working_area_size = 0x0;
993 (*last_target_p)->working_areas = NULL;
994 (*last_target_p)->backup_working_area = 0;
996 (*last_target_p)->state = TARGET_UNKNOWN;
997 (*last_target_p)->reg_cache = NULL;
998 (*last_target_p)->breakpoints = NULL;
999 (*last_target_p)->watchpoints = NULL;
1000 (*last_target_p)->next = NULL;
1001 (*last_target_p)->arch_info = NULL;
1003 (*last_target_p)->type->target_command(cmd_ctx, cmd, args, argc, *last_target_p);
1011 /* no matching target found */
1014 ERROR("target '%s' not found", args[0]);
1021 /* usage: target_script <target#> <event> <script_file> */
1022 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1024 target_t *target = NULL;
1028 ERROR("incomplete target_script command");
1032 target = get_target_by_num(strtoul(args[0], NULL, 0));
1036 ERROR("target number '%s' not defined", args[0]);
1040 if (strcmp(args[1], "reset") == 0)
1042 if (target->reset_script)
1043 free(target->reset_script);
1044 target->reset_script = strdup(args[2]);
1046 else if (strcmp(args[1], "post_halt") == 0)
1048 if (target->post_halt_script)
1049 free(target->post_halt_script);
1050 target->post_halt_script = strdup(args[2]);
1052 else if (strcmp(args[1], "pre_resume") == 0)
1054 if (target->pre_resume_script)
1055 free(target->pre_resume_script);
1056 target->pre_resume_script = strdup(args[2]);
1060 ERROR("unknown event type: '%s", args[1]);
1067 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1069 target_t *target = NULL;
1073 ERROR("incomplete run_and_halt_time command");
1077 target = get_target_by_num(strtoul(args[0], NULL, 0));
1081 ERROR("target number '%s' not defined", args[0]);
1085 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1090 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1092 target_t *target = NULL;
1096 ERROR("incomplete working_area command. usage: working_area <target#> <address> <size> <'backup'|'nobackup'>");
1100 target = get_target_by_num(strtoul(args[0], NULL, 0));
1104 ERROR("target number '%s' not defined", args[0]);
1108 target->working_area = strtoul(args[1], NULL, 0);
1109 target->working_area_size = strtoul(args[2], NULL, 0);
1111 if (strcmp(args[3], "backup") == 0)
1113 target->backup_working_area = 1;
1115 else if (strcmp(args[3], "nobackup") == 0)
1117 target->backup_working_area = 0;
1121 ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
1129 /* process target state changes */
1130 int handle_target(void *priv)
1133 target_t *target = targets;
1137 /* only poll if target isn't already halted */
1138 if (target->state != TARGET_HALTED)
1140 if (target_continous_poll)
1141 if ((retval = target->type->poll(target)) < 0)
1143 ERROR("couldn't poll target, exiting");
1148 target = target->next;
1154 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1163 target = get_current_target(cmd_ctx);
1165 /* list all available registers for the current target */
1168 reg_cache_t *cache = target->reg_cache;
1174 for (i = 0; i < cache->num_regs; i++)
1176 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1177 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);
1180 cache = cache->next;
1186 /* access a single register by its ordinal number */
1187 if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1189 int num = strtoul(args[0], NULL, 0);
1190 reg_cache_t *cache = target->reg_cache;
1196 for (i = 0; i < cache->num_regs; i++)
1200 reg = &cache->reg_list[i];
1206 cache = cache->next;
1211 command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1214 } else /* access a single register by its name */
1216 reg = register_get_by_name(target->reg_cache, args[0], 1);
1220 command_print(cmd_ctx, "register %s not found in current target", args[0]);
1225 /* display a register */
1226 if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1228 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1231 if (reg->valid == 0)
1233 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1234 if (arch_type == NULL)
1236 ERROR("BUG: encountered unregistered arch type");
1239 arch_type->get(reg);
1241 value = buf_to_str(reg->value, reg->size, 16);
1242 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1247 /* set register value */
1250 u8 *buf = malloc(CEIL(reg->size, 8));
1251 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1253 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1254 if (arch_type == NULL)
1256 ERROR("BUG: encountered unregistered arch type");
1260 arch_type->set(reg, buf);
1262 value = buf_to_str(reg->value, reg->size, 16);
1263 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1271 command_print(cmd_ctx, "usage: reg <#|name> [value]");
1276 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1278 target_t *target = get_current_target(cmd_ctx);
1283 command_print(cmd_ctx, "target state: %s", target_state_strings[target->type->poll(target)]);
1284 if (target->state == TARGET_HALTED)
1286 target->type->arch_state(target, buffer, 512);
1288 command_print(cmd_ctx, "%s", buffer);
1293 if (strcmp(args[0], "on") == 0)
1295 target_continous_poll = 1;
1297 else if (strcmp(args[0], "off") == 0)
1299 target_continous_poll = 0;
1307 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1309 target_t *target = get_current_target(cmd_ctx);
1310 struct timeval timeout, now;
1312 gettimeofday(&timeout, NULL);
1314 timeval_add_time(&timeout, 5, 0);
1318 timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
1320 command_print(cmd_ctx, "usage: wait_halt [seconds]");
1325 command_print(cmd_ctx, "waiting for target halted...");
1327 while(target->type->poll(target))
1329 if (target->state == TARGET_HALTED)
1331 command_print(cmd_ctx, "target halted");
1334 target_call_timer_callbacks();
1336 gettimeofday(&now, NULL);
1337 if ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec))
1339 command_print(cmd_ctx, "timed out while waiting for target halt");
1340 ERROR("timed out while waiting for target halt");
1348 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1351 target_t *target = get_current_target(cmd_ctx);
1355 command_print(cmd_ctx, "requesting target halt...");
1357 if ((retval = target->type->halt(target)) != ERROR_OK)
1361 case ERROR_TARGET_ALREADY_HALTED:
1362 command_print(cmd_ctx, "target already halted");
1364 case ERROR_TARGET_TIMEOUT:
1365 command_print(cmd_ctx, "target timed out... shutting down");
1368 command_print(cmd_ctx, "unknown error... shutting down");
1377 /* what to do on daemon startup */
1378 int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1382 if (strcmp(args[0], "attach") == 0)
1384 startup_mode = DAEMON_ATTACH;
1387 else if (strcmp(args[0], "reset") == 0)
1389 startup_mode = DAEMON_RESET;
1394 WARNING("invalid daemon_startup configuration directive: %s", args[0]);
1399 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1401 target_t *target = get_current_target(cmd_ctx);
1404 command_print(cmd_ctx, "requesting target halt and executing a soft reset");
1406 if ((retval = target->type->soft_reset_halt(target)) != ERROR_OK)
1410 case ERROR_TARGET_TIMEOUT:
1411 command_print(cmd_ctx, "target timed out... shutting down");
1414 command_print(cmd_ctx, "unknown error... shutting down");
1422 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1424 target_t *target = get_current_target(cmd_ctx);
1425 enum target_reset_mode reset_mode = RESET_RUN;
1431 if (strcmp("run", args[0]) == 0)
1432 reset_mode = RESET_RUN;
1433 else if (strcmp("halt", args[0]) == 0)
1434 reset_mode = RESET_HALT;
1435 else if (strcmp("init", args[0]) == 0)
1436 reset_mode = RESET_INIT;
1437 else if (strcmp("run_and_halt", args[0]) == 0)
1439 reset_mode = RESET_RUN_AND_HALT;
1442 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1445 else if (strcmp("run_and_init", args[0]) == 0)
1447 reset_mode = RESET_RUN_AND_INIT;
1450 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1455 command_print(cmd_ctx, "usage: reset ['run', 'halt', 'init', 'run_and_halt', 'run_and_init]");
1458 target->reset_mode = reset_mode;
1461 target_process_reset(cmd_ctx);
1466 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1469 target_t *target = get_current_target(cmd_ctx);
1474 retval = target->type->resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1476 retval = target->type->resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1479 command_print(cmd_ctx, "usage: resume [address]");
1483 if (retval != ERROR_OK)
1487 case ERROR_TARGET_NOT_HALTED:
1488 command_print(cmd_ctx, "target not halted");
1491 command_print(cmd_ctx, "unknown error... shutting down");
1499 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1501 target_t *target = get_current_target(cmd_ctx);
1506 target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1509 target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1514 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1527 target_t *target = get_current_target(cmd_ctx);
1533 count = strtoul(args[1], NULL, 0);
1535 address = strtoul(args[0], NULL, 0);
1553 buffer = calloc(count, size);
1554 if ((retval = target->type->read_memory(target, address, size, count, buffer)) != ERROR_OK)
1558 case ERROR_TARGET_UNALIGNED_ACCESS:
1559 command_print(cmd_ctx, "error: address not aligned");
1561 case ERROR_TARGET_NOT_HALTED:
1562 command_print(cmd_ctx, "error: target must be halted for memory accesses");
1564 case ERROR_TARGET_DATA_ABORT:
1565 command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
1568 command_print(cmd_ctx, "error: unknown error");
1576 for (i = 0; i < count; i++)
1579 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1584 output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1587 output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1590 output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1594 if ((i%8 == 7) || (i == count - 1))
1596 command_print(cmd_ctx, output);
1606 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1611 target_t *target = get_current_target(cmd_ctx);
1617 address = strtoul(args[0], NULL, 0);
1618 value = strtoul(args[1], NULL, 0);
1623 target_buffer_set_u32(target, value_buf, value);
1624 retval = target->type->write_memory(target, address, 4, 1, value_buf);
1627 target_buffer_set_u16(target, value_buf, value);
1628 retval = target->type->write_memory(target, address, 2, 1, value_buf);
1631 value_buf[0] = value;
1632 retval = target->type->write_memory(target, address, 1, 1, value_buf);
1640 case ERROR_TARGET_UNALIGNED_ACCESS:
1641 command_print(cmd_ctx, "error: address not aligned");
1643 case ERROR_TARGET_DATA_ABORT:
1644 command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
1646 case ERROR_TARGET_NOT_HALTED:
1647 command_print(cmd_ctx, "error: target must be halted for memory accesses");
1652 command_print(cmd_ctx, "error: unknown error");
1660 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1670 duration_t duration;
1671 char *duration_text;
1673 target_t *target = get_current_target(cmd_ctx);
1677 command_print(cmd_ctx, "usage: load_image <filename> [address] [type]");
1681 /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
1684 image.base_address_set = 1;
1685 image.base_address = strtoul(args[1], NULL, 0);
1689 image.base_address_set = 0;
1692 image.start_address_set = 0;
1694 duration_start_measure(&duration);
1696 if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
1698 command_print(cmd_ctx, "load_image error: %s", image.error_str);
1703 for (i = 0; i < image.num_sections; i++)
1705 buffer = malloc(image.sections[i].size);
1706 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
1708 ERROR("image_read_section failed with error code: %i", retval);
1709 command_print(cmd_ctx, "image reading failed, download aborted");
1711 image_close(&image);
1714 target_write_buffer(target, image.sections[i].base_address, buf_cnt, buffer);
1715 image_size += buf_cnt;
1716 command_print(cmd_ctx, "%u byte written at address 0x%8.8x", buf_cnt, image.sections[i].base_address);
1721 duration_stop_measure(&duration, &duration_text);
1722 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
1723 free(duration_text);
1725 image_close(&image);
1731 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1739 duration_t duration;
1740 char *duration_text;
1742 target_t *target = get_current_target(cmd_ctx);
1746 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
1750 address = strtoul(args[1], NULL, 0);
1751 size = strtoul(args[2], NULL, 0);
1753 if ((address & 3) || (size & 3))
1755 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
1759 if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
1761 command_print(cmd_ctx, "dump_image error: %s", fileio.error_str);
1765 duration_start_measure(&duration);
1770 u32 this_run_size = (size > 560) ? 560 : size;
1772 target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
1773 fileio_write(&fileio, this_run_size, buffer, &size_written);
1775 size -= this_run_size;
1776 address += this_run_size;
1779 fileio_close(&fileio);
1781 duration_stop_measure(&duration, &duration_text);
1782 command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
1783 free(duration_text);
1789 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1792 target_t *target = get_current_target(cmd_ctx);
1796 breakpoint_t *breakpoint = target->breakpoints;
1800 if (breakpoint->type == BKPT_SOFT)
1802 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
1803 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
1808 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
1810 breakpoint = breakpoint->next;
1818 length = strtoul(args[1], NULL, 0);
1821 if (strcmp(args[2], "hw") == 0)
1824 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
1828 case ERROR_TARGET_NOT_HALTED:
1829 command_print(cmd_ctx, "target must be halted to set breakpoints");
1831 case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
1832 command_print(cmd_ctx, "no more breakpoints available");
1835 command_print(cmd_ctx, "unknown error, breakpoint not set");
1841 command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
1846 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
1852 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1854 target_t *target = get_current_target(cmd_ctx);
1857 breakpoint_remove(target, strtoul(args[0], NULL, 0));
1862 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1864 target_t *target = get_current_target(cmd_ctx);
1869 watchpoint_t *watchpoint = target->watchpoints;
1873 command_print(cmd_ctx, "address: 0x%8.8x, mask: 0x%8.8x, r/w/a: %i, value: 0x%8.8x, mask: 0x%8.8x", watchpoint->address, watchpoint->length, watchpoint->rw, watchpoint->value, watchpoint->mask);
1874 watchpoint = watchpoint->next;
1879 enum watchpoint_rw type = WPT_ACCESS;
1880 u32 data_value = 0x0;
1881 u32 data_mask = 0xffffffff;
1897 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
1903 data_value = strtoul(args[3], NULL, 0);
1907 data_mask = strtoul(args[4], NULL, 0);
1910 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
1911 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
1915 case ERROR_TARGET_NOT_HALTED:
1916 command_print(cmd_ctx, "target must be halted to set watchpoints");
1918 case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
1919 command_print(cmd_ctx, "no more watchpoints available");
1922 command_print(cmd_ctx, "unknown error, watchpoint not set");
1929 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
1935 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1937 target_t *target = get_current_target(cmd_ctx);
1940 watchpoint_remove(target, strtoul(args[0], NULL, 0));