1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
24 #include "replacements.h"
26 #include "target_request.h"
29 #include "configuration.h"
30 #include "binarybuffer.h"
37 #include <sys/types.h>
45 #include <time_support.h>
50 int cli_target_callback_event_handler(struct target_s *target, enum target_event event, void *priv);
52 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
53 int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
54 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
56 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
57 int handle_run_and_halt_time_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_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
73 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
74 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
75 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
79 extern target_type_t arm7tdmi_target;
80 extern target_type_t arm720t_target;
81 extern target_type_t arm9tdmi_target;
82 extern target_type_t arm920t_target;
83 extern target_type_t arm966e_target;
84 extern target_type_t arm926ejs_target;
85 extern target_type_t xscale_target;
86 extern target_type_t cortexm3_target;
88 target_type_t *target_types[] =
101 target_t *targets = NULL;
102 target_event_callback_t *target_event_callbacks = NULL;
103 target_timer_callback_t *target_timer_callbacks = NULL;
105 char *target_state_strings[] =
114 char *target_debug_reason_strings[] =
116 "debug request", "breakpoint", "watchpoint",
117 "watchpoint and breakpoint", "single step",
121 char *target_endianess_strings[] =
127 enum daemon_startup_mode startup_mode = DAEMON_ATTACH;
129 static int target_continous_poll = 1;
131 /* read a u32 from a buffer in target memory endianness */
132 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
134 if (target->endianness == TARGET_LITTLE_ENDIAN)
135 return le_to_h_u32(buffer);
137 return be_to_h_u32(buffer);
140 /* read a u16 from a buffer in target memory endianness */
141 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
143 if (target->endianness == TARGET_LITTLE_ENDIAN)
144 return le_to_h_u16(buffer);
146 return be_to_h_u16(buffer);
149 /* write a u32 to a buffer in target memory endianness */
150 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
152 if (target->endianness == TARGET_LITTLE_ENDIAN)
153 h_u32_to_le(buffer, value);
155 h_u32_to_be(buffer, value);
158 /* write a u16 to a buffer in target memory endianness */
159 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
161 if (target->endianness == TARGET_LITTLE_ENDIAN)
162 h_u16_to_le(buffer, value);
164 h_u16_to_be(buffer, value);
167 /* returns a pointer to the n-th configured target */
168 target_t* get_target_by_num(int num)
170 target_t *target = targets;
177 target = target->next;
184 int get_num_by_target(target_t *query_target)
186 target_t *target = targets;
191 if (target == query_target)
193 target = target->next;
200 target_t* get_current_target(command_context_t *cmd_ctx)
202 target_t *target = get_target_by_num(cmd_ctx->current_target);
206 ERROR("BUG: current_target out of bounds");
213 /* Process target initialization, when target entered debug out of reset
214 * the handler is unregistered at the end of this function, so it's only called once
216 int target_init_handler(struct target_s *target, enum target_event event, void *priv)
219 struct command_context_s *cmd_ctx = priv;
221 if ((event == TARGET_EVENT_HALTED) && (target->reset_script))
223 target_unregister_event_callback(target_init_handler, priv);
225 script = fopen(target->reset_script, "r");
228 ERROR("couldn't open script file %s", target->reset_script);
232 INFO("executing reset script '%s'", target->reset_script);
233 command_run_file(cmd_ctx, script, COMMAND_EXEC);
236 jtag_execute_queue();
242 int target_run_and_halt_handler(void *priv)
244 target_t *target = priv;
246 target->type->halt(target);
251 int target_process_reset(struct command_context_s *cmd_ctx)
253 int retval = ERROR_OK;
256 /* prepare reset_halt where necessary */
260 switch (target->reset_mode)
264 target->type->prepare_reset_halt(target);
269 target = target->next;
275 target->type->assert_reset(target);
276 target = target->next;
278 jtag_execute_queue();
280 /* request target halt if necessary, and schedule further action */
284 switch (target->reset_mode)
287 /* nothing to do if target just wants to be run */
289 case RESET_RUN_AND_HALT:
291 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
293 case RESET_RUN_AND_INIT:
295 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
296 target_register_event_callback(target_init_handler, cmd_ctx);
299 target->type->halt(target);
302 target->type->halt(target);
303 target_register_event_callback(target_init_handler, cmd_ctx);
306 ERROR("BUG: unknown target->reset_mode");
308 target = target->next;
314 target->type->deassert_reset(target);
315 target = target->next;
317 jtag_execute_queue();
322 int target_init(struct command_context_s *cmd_ctx)
324 target_t *target = targets;
328 if (target->type->init_target(cmd_ctx, target) != ERROR_OK)
330 ERROR("target '%s' init failed", target->type->name);
333 target = target->next;
338 target_register_user_commands(cmd_ctx);
339 target_register_timer_callback(handle_target, 100, 1, NULL);
342 if (startup_mode == DAEMON_RESET)
343 target_process_reset(cmd_ctx);
348 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
350 target_event_callback_t **callbacks_p = &target_event_callbacks;
352 if (callback == NULL)
354 return ERROR_INVALID_ARGUMENTS;
359 while ((*callbacks_p)->next)
360 callbacks_p = &((*callbacks_p)->next);
361 callbacks_p = &((*callbacks_p)->next);
364 (*callbacks_p) = malloc(sizeof(target_event_callback_t));
365 (*callbacks_p)->callback = callback;
366 (*callbacks_p)->priv = priv;
367 (*callbacks_p)->next = NULL;
372 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
374 target_timer_callback_t **callbacks_p = &target_timer_callbacks;
377 if (callback == NULL)
379 return ERROR_INVALID_ARGUMENTS;
384 while ((*callbacks_p)->next)
385 callbacks_p = &((*callbacks_p)->next);
386 callbacks_p = &((*callbacks_p)->next);
389 (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
390 (*callbacks_p)->callback = callback;
391 (*callbacks_p)->periodic = periodic;
392 (*callbacks_p)->time_ms = time_ms;
394 gettimeofday(&now, NULL);
395 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
396 time_ms -= (time_ms % 1000);
397 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
398 if ((*callbacks_p)->when.tv_usec > 1000000)
400 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
401 (*callbacks_p)->when.tv_sec += 1;
404 (*callbacks_p)->priv = priv;
405 (*callbacks_p)->next = NULL;
410 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
412 target_event_callback_t **p = &target_event_callbacks;
413 target_event_callback_t *c = target_event_callbacks;
415 if (callback == NULL)
417 return ERROR_INVALID_ARGUMENTS;
422 target_event_callback_t *next = c->next;
423 if ((c->callback == callback) && (c->priv == priv))
437 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
439 target_timer_callback_t **p = &target_timer_callbacks;
440 target_timer_callback_t *c = target_timer_callbacks;
442 if (callback == NULL)
444 return ERROR_INVALID_ARGUMENTS;
449 target_timer_callback_t *next = c->next;
450 if ((c->callback == callback) && (c->priv == priv))
464 int target_call_event_callbacks(target_t *target, enum target_event event)
466 target_event_callback_t *callback = target_event_callbacks;
467 target_event_callback_t *next_callback;
469 DEBUG("target event %i", event);
473 next_callback = callback->next;
474 callback->callback(target, event, callback->priv);
475 callback = next_callback;
481 int target_call_timer_callbacks()
483 target_timer_callback_t *callback = target_timer_callbacks;
484 target_timer_callback_t *next_callback;
487 gettimeofday(&now, NULL);
491 next_callback = callback->next;
493 if (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
494 || (now.tv_sec > callback->when.tv_sec))
496 callback->callback(callback->priv);
497 if (callback->periodic)
499 int time_ms = callback->time_ms;
500 callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
501 time_ms -= (time_ms % 1000);
502 callback->when.tv_sec = now.tv_sec + time_ms / 1000;
503 if (callback->when.tv_usec > 1000000)
505 callback->when.tv_usec = callback->when.tv_usec - 1000000;
506 callback->when.tv_sec += 1;
510 target_unregister_timer_callback(callback->callback, callback->priv);
513 callback = next_callback;
519 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
521 working_area_t *c = target->working_areas;
522 working_area_t *new_wa = NULL;
524 /* only allocate multiples of 4 byte */
527 ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
528 size = CEIL(size, 4);
531 /* see if there's already a matching working area */
534 if ((c->free) && (c->size == size))
542 /* if not, allocate a new one */
545 working_area_t **p = &target->working_areas;
546 u32 first_free = target->working_area;
547 u32 free_size = target->working_area_size;
549 DEBUG("allocating new working area");
551 c = target->working_areas;
554 first_free += c->size;
555 free_size -= c->size;
560 if (free_size < size)
562 WARNING("not enough working area available");
563 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
566 new_wa = malloc(sizeof(working_area_t));
569 new_wa->address = first_free;
571 if (target->backup_working_area)
573 new_wa->backup = malloc(new_wa->size);
574 target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup);
578 new_wa->backup = NULL;
581 /* put new entry in list */
585 /* mark as used, and return the new (reused) area */
595 int target_free_working_area(struct target_s *target, working_area_t *area)
600 if (target->backup_working_area)
601 target->type->write_memory(target, area->address, 4, area->size / 4, area->backup);
605 /* mark user pointer invalid */
612 int target_free_all_working_areas(struct target_s *target)
614 working_area_t *c = target->working_areas;
618 working_area_t *next = c->next;
619 target_free_working_area(target, c);
629 target->working_areas = NULL;
634 int target_register_commands(struct command_context_s *cmd_ctx)
636 register_command(cmd_ctx, NULL, "target", handle_target_command, COMMAND_CONFIG, NULL);
637 register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL);
638 register_command(cmd_ctx, NULL, "daemon_startup", handle_daemon_startup_command, COMMAND_CONFIG, NULL);
639 register_command(cmd_ctx, NULL, "target_script", handle_target_script_command, COMMAND_CONFIG, NULL);
640 register_command(cmd_ctx, NULL, "run_and_halt_time", handle_run_and_halt_time_command, COMMAND_CONFIG, NULL);
641 register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_CONFIG, NULL);
646 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
650 DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
652 /* handle writes of less than 4 byte */
655 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
660 /* handle unaligned head bytes */
663 int unaligned = 4 - (address % 4);
665 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
669 address += unaligned;
673 /* handle aligned words */
676 int aligned = size - (size % 4);
678 /* use bulk writes above a certain limit. This may have to be changed */
681 if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
686 if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
695 /* handle tail writes of less than 4 bytes */
698 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
705 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
709 DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
711 /* handle reads of less than 4 byte */
714 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
719 /* handle unaligned head bytes */
722 int unaligned = 4 - (address % 4);
724 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
728 address += unaligned;
732 /* handle aligned words */
735 int aligned = size - (size % 4);
737 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
745 /* handle tail writes of less than 4 bytes */
748 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
755 int target_read_u32(struct target_s *target, u32 address, u32 *value)
759 int retval = target->type->read_memory(target, address, 4, 1, value_buf);
761 if (retval == ERROR_OK)
763 *value = target_buffer_get_u32(target, value_buf);
764 DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
769 DEBUG("address: 0x%8.8x failed", address);
775 int target_read_u16(struct target_s *target, u32 address, u16 *value)
779 int retval = target->type->read_memory(target, address, 2, 1, value_buf);
781 if (retval == ERROR_OK)
783 *value = target_buffer_get_u16(target, value_buf);
784 DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
789 DEBUG("address: 0x%8.8x failed", address);
795 int target_read_u8(struct target_s *target, u32 address, u8 *value)
797 int retval = target->type->read_memory(target, address, 1, 1, value);
799 if (retval == ERROR_OK)
801 DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
806 DEBUG("address: 0x%8.8x failed", address);
812 int target_write_u32(struct target_s *target, u32 address, u32 value)
817 DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
819 target_buffer_set_u32(target, value_buf, value);
820 if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
822 DEBUG("failed: %i", retval);
828 int target_write_u16(struct target_s *target, u32 address, u16 value)
833 DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
835 target_buffer_set_u16(target, value_buf, value);
836 if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
838 DEBUG("failed: %i", retval);
844 int target_write_u8(struct target_s *target, u32 address, u8 value)
848 DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
850 if ((retval = target->type->read_memory(target, address, 1, 1, &value)) != ERROR_OK)
852 DEBUG("failed: %i", retval);
858 int target_register_user_commands(struct command_context_s *cmd_ctx)
860 register_command(cmd_ctx, NULL, "reg", handle_reg_command, COMMAND_EXEC, NULL);
861 register_command(cmd_ctx, NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
862 register_command(cmd_ctx, NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
863 register_command(cmd_ctx, NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
864 register_command(cmd_ctx, NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
865 register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction");
866 register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init|run_and_halt|run_and_init]");
867 register_command(cmd_ctx, NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
869 register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
870 register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
871 register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
873 register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value>");
874 register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value>");
875 register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value>");
877 register_command(cmd_ctx, NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
878 register_command(cmd_ctx, NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
879 register_command(cmd_ctx, NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
880 register_command(cmd_ctx, NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
882 register_command(cmd_ctx, NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex'|'elf'|'s19']");
883 register_command(cmd_ctx, NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
884 register_command(cmd_ctx, NULL, "load_binary", handle_load_image_command, COMMAND_EXEC, "[DEPRECATED] load_binary <file> <address>");
885 register_command(cmd_ctx, NULL, "dump_binary", handle_dump_image_command, COMMAND_EXEC, "[DEPRECATED] dump_binary <file> <address> <size>");
887 target_request_register_commands(cmd_ctx);
888 trace_register_commands(cmd_ctx);
893 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
895 target_t *target = targets;
900 int num = strtoul(args[0], NULL, 0);
905 target = target->next;
909 cmd_ctx->current_target = num;
911 command_print(cmd_ctx, "%i is out of bounds, only %i targets are configured", num, count);
918 command_print(cmd_ctx, "%i: %s (%s), state: %s", count++, target->type->name, target_endianess_strings[target->endianness], target_state_strings[target->state]);
919 target = target->next;
925 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
932 ERROR("target command requires at least three arguments: <type> <endianess> <reset_mode>");
936 /* search for the specified target */
937 if (args[0] && (args[0][0] != 0))
939 for (i = 0; target_types[i]; i++)
941 if (strcmp(args[0], target_types[i]->name) == 0)
943 target_t **last_target_p = &targets;
945 /* register target specific commands */
946 if (target_types[i]->register_commands(cmd_ctx) != ERROR_OK)
948 ERROR("couldn't register '%s' commands", args[0]);
954 while ((*last_target_p)->next)
955 last_target_p = &((*last_target_p)->next);
956 last_target_p = &((*last_target_p)->next);
959 *last_target_p = malloc(sizeof(target_t));
961 (*last_target_p)->type = target_types[i];
963 if (strcmp(args[1], "big") == 0)
964 (*last_target_p)->endianness = TARGET_BIG_ENDIAN;
965 else if (strcmp(args[1], "little") == 0)
966 (*last_target_p)->endianness = TARGET_LITTLE_ENDIAN;
969 ERROR("endianness must be either 'little' or 'big', not '%s'", args[1]);
973 /* what to do on a target reset */
974 if (strcmp(args[2], "reset_halt") == 0)
975 (*last_target_p)->reset_mode = RESET_HALT;
976 else if (strcmp(args[2], "reset_run") == 0)
977 (*last_target_p)->reset_mode = RESET_RUN;
978 else if (strcmp(args[2], "reset_init") == 0)
979 (*last_target_p)->reset_mode = RESET_INIT;
980 else if (strcmp(args[2], "run_and_halt") == 0)
981 (*last_target_p)->reset_mode = RESET_RUN_AND_HALT;
982 else if (strcmp(args[2], "run_and_init") == 0)
983 (*last_target_p)->reset_mode = RESET_RUN_AND_INIT;
986 ERROR("unknown target startup mode %s", args[2]);
989 (*last_target_p)->run_and_halt_time = 1000; /* default 1s */
991 (*last_target_p)->reset_script = NULL;
992 (*last_target_p)->post_halt_script = NULL;
993 (*last_target_p)->pre_resume_script = NULL;
995 (*last_target_p)->working_area = 0x0;
996 (*last_target_p)->working_area_size = 0x0;
997 (*last_target_p)->working_areas = NULL;
998 (*last_target_p)->backup_working_area = 0;
1000 (*last_target_p)->state = TARGET_UNKNOWN;
1001 (*last_target_p)->reg_cache = NULL;
1002 (*last_target_p)->breakpoints = NULL;
1003 (*last_target_p)->watchpoints = NULL;
1004 (*last_target_p)->next = NULL;
1005 (*last_target_p)->arch_info = NULL;
1007 /* initialize trace information */
1008 (*last_target_p)->trace_info = malloc(sizeof(trace_t));
1009 (*last_target_p)->trace_info->num_trace_points = 0;
1010 (*last_target_p)->trace_info->trace_points_size = 0;
1011 (*last_target_p)->trace_info->trace_points = NULL;
1012 (*last_target_p)->trace_info->trace_history_size = 0;
1013 (*last_target_p)->trace_info->trace_history = NULL;
1014 (*last_target_p)->trace_info->trace_history_pos = 0;
1015 (*last_target_p)->trace_info->trace_history_overflowed = 0;
1017 (*last_target_p)->type->target_command(cmd_ctx, cmd, args, argc, *last_target_p);
1025 /* no matching target found */
1028 ERROR("target '%s' not found", args[0]);
1035 /* usage: target_script <target#> <event> <script_file> */
1036 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1038 target_t *target = NULL;
1042 ERROR("incomplete target_script command");
1046 target = get_target_by_num(strtoul(args[0], NULL, 0));
1050 ERROR("target number '%s' not defined", args[0]);
1054 if (strcmp(args[1], "reset") == 0)
1056 if (target->reset_script)
1057 free(target->reset_script);
1058 target->reset_script = strdup(args[2]);
1060 else if (strcmp(args[1], "post_halt") == 0)
1062 if (target->post_halt_script)
1063 free(target->post_halt_script);
1064 target->post_halt_script = strdup(args[2]);
1066 else if (strcmp(args[1], "pre_resume") == 0)
1068 if (target->pre_resume_script)
1069 free(target->pre_resume_script);
1070 target->pre_resume_script = strdup(args[2]);
1074 ERROR("unknown event type: '%s", args[1]);
1081 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1083 target_t *target = NULL;
1087 ERROR("incomplete run_and_halt_time command");
1091 target = get_target_by_num(strtoul(args[0], NULL, 0));
1095 ERROR("target number '%s' not defined", args[0]);
1099 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1104 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1106 target_t *target = NULL;
1110 ERROR("incomplete working_area command. usage: working_area <target#> <address> <size> <'backup'|'nobackup'>");
1114 target = get_target_by_num(strtoul(args[0], NULL, 0));
1118 ERROR("target number '%s' not defined", args[0]);
1122 target->working_area = strtoul(args[1], NULL, 0);
1123 target->working_area_size = strtoul(args[2], NULL, 0);
1125 if (strcmp(args[3], "backup") == 0)
1127 target->backup_working_area = 1;
1129 else if (strcmp(args[3], "nobackup") == 0)
1131 target->backup_working_area = 0;
1135 ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
1143 /* process target state changes */
1144 int handle_target(void *priv)
1147 target_t *target = targets;
1151 /* only poll if target isn't already halted */
1152 if (target->state != TARGET_HALTED)
1154 if (target_continous_poll)
1155 if ((retval = target->type->poll(target)) < 0)
1157 ERROR("couldn't poll target, exiting");
1162 target = target->next;
1168 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1177 target = get_current_target(cmd_ctx);
1179 /* list all available registers for the current target */
1182 reg_cache_t *cache = target->reg_cache;
1188 for (i = 0; i < cache->num_regs; i++)
1190 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1191 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);
1194 cache = cache->next;
1200 /* access a single register by its ordinal number */
1201 if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1203 int num = strtoul(args[0], NULL, 0);
1204 reg_cache_t *cache = target->reg_cache;
1210 for (i = 0; i < cache->num_regs; i++)
1214 reg = &cache->reg_list[i];
1220 cache = cache->next;
1225 command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1228 } else /* access a single register by its name */
1230 reg = register_get_by_name(target->reg_cache, args[0], 1);
1234 command_print(cmd_ctx, "register %s not found in current target", args[0]);
1239 /* display a register */
1240 if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1242 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1245 if (reg->valid == 0)
1247 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1248 if (arch_type == NULL)
1250 ERROR("BUG: encountered unregistered arch type");
1253 arch_type->get(reg);
1255 value = buf_to_str(reg->value, reg->size, 16);
1256 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1261 /* set register value */
1264 u8 *buf = malloc(CEIL(reg->size, 8));
1265 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1267 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1268 if (arch_type == NULL)
1270 ERROR("BUG: encountered unregistered arch type");
1274 arch_type->set(reg, buf);
1276 value = buf_to_str(reg->value, reg->size, 16);
1277 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1285 command_print(cmd_ctx, "usage: reg <#|name> [value]");
1290 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1292 target_t *target = get_current_target(cmd_ctx);
1297 command_print(cmd_ctx, "target state: %s", target_state_strings[target->type->poll(target)]);
1298 if (target->state == TARGET_HALTED)
1300 target->type->arch_state(target, buffer, 512);
1302 command_print(cmd_ctx, "%s", buffer);
1307 if (strcmp(args[0], "on") == 0)
1309 target_continous_poll = 1;
1311 else if (strcmp(args[0], "off") == 0)
1313 target_continous_poll = 0;
1321 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1323 target_t *target = get_current_target(cmd_ctx);
1324 struct timeval timeout, now;
1326 gettimeofday(&timeout, NULL);
1328 timeval_add_time(&timeout, 5, 0);
1332 timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
1334 command_print(cmd_ctx, "usage: wait_halt [seconds]");
1339 command_print(cmd_ctx, "waiting for target halted...");
1341 while(target->type->poll(target))
1343 if (target->state == TARGET_HALTED)
1345 command_print(cmd_ctx, "target halted");
1348 target_call_timer_callbacks();
1350 gettimeofday(&now, NULL);
1351 if ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec))
1353 command_print(cmd_ctx, "timed out while waiting for target halt");
1354 ERROR("timed out while waiting for target halt");
1362 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1365 target_t *target = get_current_target(cmd_ctx);
1369 command_print(cmd_ctx, "requesting target halt...");
1371 if ((retval = target->type->halt(target)) != ERROR_OK)
1375 case ERROR_TARGET_ALREADY_HALTED:
1376 command_print(cmd_ctx, "target already halted");
1378 case ERROR_TARGET_TIMEOUT:
1379 command_print(cmd_ctx, "target timed out... shutting down");
1382 command_print(cmd_ctx, "unknown error... shutting down");
1391 /* what to do on daemon startup */
1392 int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1396 if (strcmp(args[0], "attach") == 0)
1398 startup_mode = DAEMON_ATTACH;
1401 else if (strcmp(args[0], "reset") == 0)
1403 startup_mode = DAEMON_RESET;
1408 WARNING("invalid daemon_startup configuration directive: %s", args[0]);
1413 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1415 target_t *target = get_current_target(cmd_ctx);
1418 command_print(cmd_ctx, "requesting target halt and executing a soft reset");
1420 if ((retval = target->type->soft_reset_halt(target)) != ERROR_OK)
1424 case ERROR_TARGET_TIMEOUT:
1425 command_print(cmd_ctx, "target timed out... shutting down");
1428 command_print(cmd_ctx, "unknown error... shutting down");
1436 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1438 target_t *target = get_current_target(cmd_ctx);
1439 enum target_reset_mode reset_mode = RESET_RUN;
1445 if (strcmp("run", args[0]) == 0)
1446 reset_mode = RESET_RUN;
1447 else if (strcmp("halt", args[0]) == 0)
1448 reset_mode = RESET_HALT;
1449 else if (strcmp("init", args[0]) == 0)
1450 reset_mode = RESET_INIT;
1451 else if (strcmp("run_and_halt", args[0]) == 0)
1453 reset_mode = RESET_RUN_AND_HALT;
1456 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1459 else if (strcmp("run_and_init", args[0]) == 0)
1461 reset_mode = RESET_RUN_AND_INIT;
1464 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1469 command_print(cmd_ctx, "usage: reset ['run', 'halt', 'init', 'run_and_halt', 'run_and_init]");
1472 target->reset_mode = reset_mode;
1475 target_process_reset(cmd_ctx);
1480 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1483 target_t *target = get_current_target(cmd_ctx);
1488 retval = target->type->resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1490 retval = target->type->resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1493 command_print(cmd_ctx, "usage: resume [address]");
1497 if (retval != ERROR_OK)
1501 case ERROR_TARGET_NOT_HALTED:
1502 command_print(cmd_ctx, "target not halted");
1505 command_print(cmd_ctx, "unknown error... shutting down");
1513 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1515 target_t *target = get_current_target(cmd_ctx);
1520 target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1523 target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1528 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1541 target_t *target = get_current_target(cmd_ctx);
1547 count = strtoul(args[1], NULL, 0);
1549 address = strtoul(args[0], NULL, 0);
1567 buffer = calloc(count, size);
1568 if ((retval = target->type->read_memory(target, address, size, count, buffer)) != ERROR_OK)
1572 case ERROR_TARGET_UNALIGNED_ACCESS:
1573 command_print(cmd_ctx, "error: address not aligned");
1575 case ERROR_TARGET_NOT_HALTED:
1576 command_print(cmd_ctx, "error: target must be halted for memory accesses");
1578 case ERROR_TARGET_DATA_ABORT:
1579 command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
1582 command_print(cmd_ctx, "error: unknown error");
1590 for (i = 0; i < count; i++)
1593 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1598 output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1601 output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1604 output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1608 if ((i%8 == 7) || (i == count - 1))
1610 command_print(cmd_ctx, output);
1620 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1625 target_t *target = get_current_target(cmd_ctx);
1631 address = strtoul(args[0], NULL, 0);
1632 value = strtoul(args[1], NULL, 0);
1637 target_buffer_set_u32(target, value_buf, value);
1638 retval = target->type->write_memory(target, address, 4, 1, value_buf);
1641 target_buffer_set_u16(target, value_buf, value);
1642 retval = target->type->write_memory(target, address, 2, 1, value_buf);
1645 value_buf[0] = value;
1646 retval = target->type->write_memory(target, address, 1, 1, value_buf);
1654 case ERROR_TARGET_UNALIGNED_ACCESS:
1655 command_print(cmd_ctx, "error: address not aligned");
1657 case ERROR_TARGET_DATA_ABORT:
1658 command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
1660 case ERROR_TARGET_NOT_HALTED:
1661 command_print(cmd_ctx, "error: target must be halted for memory accesses");
1666 command_print(cmd_ctx, "error: unknown error");
1674 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1684 duration_t duration;
1685 char *duration_text;
1687 target_t *target = get_current_target(cmd_ctx);
1691 command_print(cmd_ctx, "usage: load_image <filename> [address] [type]");
1695 /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
1698 image.base_address_set = 1;
1699 image.base_address = strtoul(args[1], NULL, 0);
1703 image.base_address_set = 0;
1706 image.start_address_set = 0;
1708 duration_start_measure(&duration);
1710 if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
1712 command_print(cmd_ctx, "load_image error: %s", image.error_str);
1717 for (i = 0; i < image.num_sections; i++)
1719 buffer = malloc(image.sections[i].size);
1720 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
1722 ERROR("image_read_section failed with error code: %i", retval);
1723 command_print(cmd_ctx, "image reading failed, download aborted");
1725 image_close(&image);
1728 target_write_buffer(target, image.sections[i].base_address, buf_cnt, buffer);
1729 image_size += buf_cnt;
1730 command_print(cmd_ctx, "%u byte written at address 0x%8.8x", buf_cnt, image.sections[i].base_address);
1735 duration_stop_measure(&duration, &duration_text);
1736 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
1737 free(duration_text);
1739 image_close(&image);
1745 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1753 duration_t duration;
1754 char *duration_text;
1756 target_t *target = get_current_target(cmd_ctx);
1760 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
1764 address = strtoul(args[1], NULL, 0);
1765 size = strtoul(args[2], NULL, 0);
1767 if ((address & 3) || (size & 3))
1769 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
1773 if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
1775 command_print(cmd_ctx, "dump_image error: %s", fileio.error_str);
1779 duration_start_measure(&duration);
1784 u32 this_run_size = (size > 560) ? 560 : size;
1786 target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
1787 fileio_write(&fileio, this_run_size, buffer, &size_written);
1789 size -= this_run_size;
1790 address += this_run_size;
1793 fileio_close(&fileio);
1795 duration_stop_measure(&duration, &duration_text);
1796 command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
1797 free(duration_text);
1803 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1806 target_t *target = get_current_target(cmd_ctx);
1810 breakpoint_t *breakpoint = target->breakpoints;
1814 if (breakpoint->type == BKPT_SOFT)
1816 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
1817 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
1822 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
1824 breakpoint = breakpoint->next;
1832 length = strtoul(args[1], NULL, 0);
1835 if (strcmp(args[2], "hw") == 0)
1838 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
1842 case ERROR_TARGET_NOT_HALTED:
1843 command_print(cmd_ctx, "target must be halted to set breakpoints");
1845 case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
1846 command_print(cmd_ctx, "no more breakpoints available");
1849 command_print(cmd_ctx, "unknown error, breakpoint not set");
1855 command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
1860 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
1866 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1868 target_t *target = get_current_target(cmd_ctx);
1871 breakpoint_remove(target, strtoul(args[0], NULL, 0));
1876 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1878 target_t *target = get_current_target(cmd_ctx);
1883 watchpoint_t *watchpoint = target->watchpoints;
1887 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);
1888 watchpoint = watchpoint->next;
1893 enum watchpoint_rw type = WPT_ACCESS;
1894 u32 data_value = 0x0;
1895 u32 data_mask = 0xffffffff;
1911 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
1917 data_value = strtoul(args[3], NULL, 0);
1921 data_mask = strtoul(args[4], NULL, 0);
1924 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
1925 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
1929 case ERROR_TARGET_NOT_HALTED:
1930 command_print(cmd_ctx, "target must be halted to set watchpoints");
1932 case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
1933 command_print(cmd_ctx, "no more watchpoints available");
1936 command_print(cmd_ctx, "unknown error, watchpoint not set");
1943 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
1949 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1951 target_t *target = get_current_target(cmd_ctx);
1954 watchpoint_remove(target, strtoul(args[0], NULL, 0));