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"
35 #include <sys/types.h>
43 #include <time_support.h>
47 int cli_target_callback_event_handler(struct target_s *target, enum target_event event, void *priv);
49 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
50 int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
51 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
53 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
54 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
55 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
57 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
58 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
59 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
60 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
61 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
62 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
63 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
64 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
65 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
66 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
67 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
68 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
69 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
70 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
71 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
72 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
76 extern target_type_t arm7tdmi_target;
77 extern target_type_t arm720t_target;
78 extern target_type_t arm9tdmi_target;
79 extern target_type_t arm920t_target;
80 extern target_type_t arm966e_target;
81 extern target_type_t arm926ejs_target;
82 extern target_type_t xscale_target;
84 target_type_t *target_types[] =
96 target_t *targets = NULL;
97 target_event_callback_t *target_event_callbacks = NULL;
98 target_timer_callback_t *target_timer_callbacks = NULL;
100 char *target_state_strings[] =
109 char *target_debug_reason_strings[] =
111 "debug request", "breakpoint", "watchpoint",
112 "watchpoint and breakpoint", "single step",
116 char *target_endianess_strings[] =
122 enum daemon_startup_mode startup_mode = DAEMON_ATTACH;
124 static int target_continous_poll = 1;
126 /* read a u32 from a buffer in target memory endianness */
127 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
129 if (target->endianness == TARGET_LITTLE_ENDIAN)
130 return le_to_h_u32(buffer);
132 return be_to_h_u32(buffer);
135 /* read a u16 from a buffer in target memory endianness */
136 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
138 if (target->endianness == TARGET_LITTLE_ENDIAN)
139 return le_to_h_u16(buffer);
141 return be_to_h_u16(buffer);
144 /* write a u32 to a buffer in target memory endianness */
145 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
147 if (target->endianness == TARGET_LITTLE_ENDIAN)
148 h_u32_to_le(buffer, value);
150 h_u32_to_be(buffer, value);
153 /* write a u16 to a buffer in target memory endianness */
154 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
156 if (target->endianness == TARGET_LITTLE_ENDIAN)
157 h_u16_to_le(buffer, value);
159 h_u16_to_be(buffer, value);
162 /* returns a pointer to the n-th configured target */
163 target_t* get_target_by_num(int num)
165 target_t *target = targets;
172 target = target->next;
179 int get_num_by_target(target_t *query_target)
181 target_t *target = targets;
186 if (target == query_target)
188 target = target->next;
195 target_t* get_current_target(command_context_t *cmd_ctx)
197 target_t *target = get_target_by_num(cmd_ctx->current_target);
201 ERROR("BUG: current_target out of bounds");
208 /* Process target initialization, when target entered debug out of reset
209 * the handler is unregistered at the end of this function, so it's only called once
211 int target_init_handler(struct target_s *target, enum target_event event, void *priv)
214 struct command_context_s *cmd_ctx = priv;
216 if ((event == TARGET_EVENT_HALTED) && (target->reset_script))
218 target_unregister_event_callback(target_init_handler, priv);
220 script = fopen(target->reset_script, "r");
223 ERROR("couldn't open script file %s", target->reset_script);
227 INFO("executing reset script '%s'", target->reset_script);
228 command_run_file(cmd_ctx, script, COMMAND_EXEC);
231 jtag_execute_queue();
237 int target_run_and_halt_handler(void *priv)
239 target_t *target = priv;
241 target->type->halt(target);
246 int target_process_reset(struct command_context_s *cmd_ctx)
248 int retval = ERROR_OK;
254 target->type->assert_reset(target);
255 target = target->next;
257 jtag_execute_queue();
259 /* request target halt if necessary, and schedule further action */
263 switch (target->reset_mode)
266 /* nothing to do if target just wants to be run */
268 case RESET_RUN_AND_HALT:
270 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
272 case RESET_RUN_AND_INIT:
274 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
275 target_register_event_callback(target_init_handler, cmd_ctx);
278 target->type->halt(target);
281 target->type->halt(target);
282 target_register_event_callback(target_init_handler, cmd_ctx);
285 ERROR("BUG: unknown target->reset_mode");
287 target = target->next;
293 target->type->deassert_reset(target);
294 target = target->next;
296 jtag_execute_queue();
301 int target_init(struct command_context_s *cmd_ctx)
303 target_t *target = targets;
307 if (target->type->init_target(cmd_ctx, target) != ERROR_OK)
309 ERROR("target '%s' init failed", target->type->name);
312 target = target->next;
317 target_register_user_commands(cmd_ctx);
318 target_register_timer_callback(handle_target, 100, 1, NULL);
321 if (startup_mode == DAEMON_RESET)
322 target_process_reset(cmd_ctx);
327 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
329 target_event_callback_t **callbacks_p = &target_event_callbacks;
331 if (callback == NULL)
333 return ERROR_INVALID_ARGUMENTS;
338 while ((*callbacks_p)->next)
339 callbacks_p = &((*callbacks_p)->next);
340 callbacks_p = &((*callbacks_p)->next);
343 (*callbacks_p) = malloc(sizeof(target_event_callback_t));
344 (*callbacks_p)->callback = callback;
345 (*callbacks_p)->priv = priv;
346 (*callbacks_p)->next = NULL;
351 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
353 target_timer_callback_t **callbacks_p = &target_timer_callbacks;
356 if (callback == NULL)
358 return ERROR_INVALID_ARGUMENTS;
363 while ((*callbacks_p)->next)
364 callbacks_p = &((*callbacks_p)->next);
365 callbacks_p = &((*callbacks_p)->next);
368 (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
369 (*callbacks_p)->callback = callback;
370 (*callbacks_p)->periodic = periodic;
371 (*callbacks_p)->time_ms = time_ms;
373 gettimeofday(&now, NULL);
374 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
375 time_ms -= (time_ms % 1000);
376 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
377 if ((*callbacks_p)->when.tv_usec > 1000000)
379 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
380 (*callbacks_p)->when.tv_sec += 1;
383 (*callbacks_p)->priv = priv;
384 (*callbacks_p)->next = NULL;
389 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
391 target_event_callback_t **p = &target_event_callbacks;
392 target_event_callback_t *c = target_event_callbacks;
394 if (callback == NULL)
396 return ERROR_INVALID_ARGUMENTS;
401 target_event_callback_t *next = c->next;
402 if ((c->callback == callback) && (c->priv == priv))
416 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
418 target_timer_callback_t **p = &target_timer_callbacks;
419 target_timer_callback_t *c = target_timer_callbacks;
421 if (callback == NULL)
423 return ERROR_INVALID_ARGUMENTS;
428 target_timer_callback_t *next = c->next;
429 if ((c->callback == callback) && (c->priv == priv))
443 int target_call_event_callbacks(target_t *target, enum target_event event)
445 target_event_callback_t *callback = target_event_callbacks;
446 target_event_callback_t *next_callback;
448 DEBUG("target event %i", event);
452 next_callback = callback->next;
453 callback->callback(target, event, callback->priv);
454 callback = next_callback;
460 int target_call_timer_callbacks()
462 target_timer_callback_t *callback = target_timer_callbacks;
463 target_timer_callback_t *next_callback;
466 gettimeofday(&now, NULL);
470 next_callback = callback->next;
472 if (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
473 || (now.tv_sec > callback->when.tv_sec))
475 callback->callback(callback->priv);
476 if (callback->periodic)
478 int time_ms = callback->time_ms;
479 callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
480 time_ms -= (time_ms % 1000);
481 callback->when.tv_sec = now.tv_sec + time_ms / 1000;
482 if (callback->when.tv_usec > 1000000)
484 callback->when.tv_usec = callback->when.tv_usec - 1000000;
485 callback->when.tv_sec += 1;
489 target_unregister_timer_callback(callback->callback, callback->priv);
492 callback = next_callback;
498 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
500 working_area_t *c = target->working_areas;
501 working_area_t *new_wa = NULL;
503 /* only allocate multiples of 4 byte */
506 ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
507 size = CEIL(size, 4);
510 /* see if there's already a matching working area */
513 if ((c->free) && (c->size == size))
521 /* if not, allocate a new one */
524 working_area_t **p = &target->working_areas;
525 u32 first_free = target->working_area;
526 u32 free_size = target->working_area_size;
528 DEBUG("allocating new working area");
530 c = target->working_areas;
533 first_free += c->size;
534 free_size -= c->size;
539 if (free_size < size)
541 WARNING("not enough working area available");
542 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
545 new_wa = malloc(sizeof(working_area_t));
548 new_wa->address = first_free;
550 if (target->backup_working_area)
552 new_wa->backup = malloc(new_wa->size);
553 target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup);
557 new_wa->backup = NULL;
560 /* put new entry in list */
564 /* mark as used, and return the new (reused) area */
574 int target_free_working_area(struct target_s *target, working_area_t *area)
579 if (target->backup_working_area)
580 target->type->write_memory(target, area->address, 4, area->size / 4, area->backup);
584 /* mark user pointer invalid */
591 int target_free_all_working_areas(struct target_s *target)
593 working_area_t *c = target->working_areas;
597 working_area_t *next = c->next;
598 target_free_working_area(target, c);
608 target->working_areas = NULL;
613 int target_register_commands(struct command_context_s *cmd_ctx)
615 register_command(cmd_ctx, NULL, "target", handle_target_command, COMMAND_CONFIG, NULL);
616 register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL);
617 register_command(cmd_ctx, NULL, "daemon_startup", handle_daemon_startup_command, COMMAND_CONFIG, NULL);
618 register_command(cmd_ctx, NULL, "target_script", handle_target_script_command, COMMAND_CONFIG, NULL);
619 register_command(cmd_ctx, NULL, "run_and_halt_time", handle_run_and_halt_time_command, COMMAND_CONFIG, NULL);
620 register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_CONFIG, NULL);
625 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
629 DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
631 /* handle writes of less than 4 byte */
634 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
638 /* handle unaligned head bytes */
641 int unaligned = 4 - (address % 4);
643 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
647 address += unaligned;
651 /* handle aligned words */
654 int aligned = size - (size % 4);
656 /* use bulk writes above a certain limit. This may have to be changed */
659 if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
664 if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
673 /* handle tail writes of less than 4 bytes */
676 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
683 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
687 DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
689 /* handle reads of less than 4 byte */
692 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
696 /* handle unaligned head bytes */
699 int unaligned = 4 - (address % 4);
701 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
705 address += unaligned;
709 /* handle aligned words */
712 int aligned = size - (size % 4);
714 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
722 /* handle tail writes of less than 4 bytes */
725 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
732 int target_read_u32(struct target_s *target, u32 address, u32 *value)
736 int retval = target->type->read_memory(target, address, 4, 1, value_buf);
738 if (retval == ERROR_OK)
740 *value = target_buffer_get_u32(target, value_buf);
741 DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
746 DEBUG("address: 0x%8.8x failed", address);
752 int target_read_u16(struct target_s *target, u32 address, u16 *value)
756 int retval = target->type->read_memory(target, address, 2, 1, value_buf);
758 if (retval == ERROR_OK)
760 *value = target_buffer_get_u16(target, value_buf);
761 DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
766 DEBUG("address: 0x%8.8x failed", address);
772 int target_read_u8(struct target_s *target, u32 address, u8 *value)
774 int retval = target->type->read_memory(target, address, 1, 1, value);
776 if (retval == ERROR_OK)
778 DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
783 DEBUG("address: 0x%8.8x failed", address);
789 int target_write_u32(struct target_s *target, u32 address, u32 value)
794 DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
796 target_buffer_set_u32(target, value_buf, value);
797 if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
799 DEBUG("failed: %i", retval);
805 int target_write_u16(struct target_s *target, u32 address, u16 value)
810 DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
812 target_buffer_set_u16(target, value_buf, value);
813 if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
815 DEBUG("failed: %i", retval);
821 int target_write_u8(struct target_s *target, u32 address, u8 value)
825 DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
827 if ((retval = target->type->read_memory(target, address, 1, 1, &value)) != ERROR_OK)
829 DEBUG("failed: %i", retval);
835 int target_register_user_commands(struct command_context_s *cmd_ctx)
837 register_command(cmd_ctx, NULL, "reg", handle_reg_command, COMMAND_EXEC, NULL);
838 register_command(cmd_ctx, NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
839 register_command(cmd_ctx, NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
840 register_command(cmd_ctx, NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
841 register_command(cmd_ctx, NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
842 register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction");
843 register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init|run_and_halt|run_and_init]");
844 register_command(cmd_ctx, NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
846 register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
847 register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
848 register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
850 register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value>");
851 register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value>");
852 register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value>");
854 register_command(cmd_ctx, NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
855 register_command(cmd_ctx, NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
856 register_command(cmd_ctx, NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
857 register_command(cmd_ctx, NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
859 register_command(cmd_ctx, NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex']");
860 register_command(cmd_ctx, NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
861 register_command(cmd_ctx, NULL, "load_binary", handle_load_image_command, COMMAND_EXEC, "[DEPRECATED] load_binary <file> <address>");
862 register_command(cmd_ctx, NULL, "dump_binary", handle_dump_image_command, COMMAND_EXEC, "[DEPRECATED] dump_binary <file> <address> <size>");
867 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
869 target_t *target = targets;
874 int num = strtoul(args[0], NULL, 0);
879 target = target->next;
883 cmd_ctx->current_target = num;
885 command_print(cmd_ctx, "%i is out of bounds, only %i targets are configured", num, count);
892 command_print(cmd_ctx, "%i: %s (%s), state: %s", count++, target->type->name, target_endianess_strings[target->endianness], target_state_strings[target->state]);
893 target = target->next;
899 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
906 ERROR("target command requires at least three arguments: <type> <endianess> <reset_mode>");
910 /* search for the specified target */
911 if (args[0] && (args[0][0] != 0))
913 for (i = 0; target_types[i]; i++)
915 if (strcmp(args[0], target_types[i]->name) == 0)
917 target_t **last_target_p = &targets;
919 /* register target specific commands */
920 if (target_types[i]->register_commands(cmd_ctx) != ERROR_OK)
922 ERROR("couldn't register '%s' commands", args[0]);
928 while ((*last_target_p)->next)
929 last_target_p = &((*last_target_p)->next);
930 last_target_p = &((*last_target_p)->next);
933 *last_target_p = malloc(sizeof(target_t));
935 (*last_target_p)->type = target_types[i];
937 if (strcmp(args[1], "big") == 0)
938 (*last_target_p)->endianness = TARGET_BIG_ENDIAN;
939 else if (strcmp(args[1], "little") == 0)
940 (*last_target_p)->endianness = TARGET_LITTLE_ENDIAN;
943 ERROR("endianness must be either 'little' or 'big', not '%s'", args[1]);
947 /* what to do on a target reset */
948 if (strcmp(args[2], "reset_halt") == 0)
949 (*last_target_p)->reset_mode = RESET_HALT;
950 else if (strcmp(args[2], "reset_run") == 0)
951 (*last_target_p)->reset_mode = RESET_RUN;
952 else if (strcmp(args[2], "reset_init") == 0)
953 (*last_target_p)->reset_mode = RESET_INIT;
954 else if (strcmp(args[2], "run_and_halt") == 0)
955 (*last_target_p)->reset_mode = RESET_RUN_AND_HALT;
956 else if (strcmp(args[2], "run_and_init") == 0)
957 (*last_target_p)->reset_mode = RESET_RUN_AND_INIT;
960 ERROR("unknown target startup mode %s", args[2]);
963 (*last_target_p)->run_and_halt_time = 1000; /* default 1s */
965 (*last_target_p)->reset_script = NULL;
966 (*last_target_p)->post_halt_script = NULL;
967 (*last_target_p)->pre_resume_script = NULL;
969 (*last_target_p)->working_area = 0x0;
970 (*last_target_p)->working_area_size = 0x0;
971 (*last_target_p)->working_areas = NULL;
972 (*last_target_p)->backup_working_area = 0;
974 (*last_target_p)->state = TARGET_UNKNOWN;
975 (*last_target_p)->reg_cache = NULL;
976 (*last_target_p)->breakpoints = NULL;
977 (*last_target_p)->watchpoints = NULL;
978 (*last_target_p)->next = NULL;
979 (*last_target_p)->arch_info = NULL;
981 (*last_target_p)->type->target_command(cmd_ctx, cmd, args, argc, *last_target_p);
989 /* no matching target found */
992 ERROR("target '%s' not found", args[0]);
999 /* usage: target_script <target#> <event> <script_file> */
1000 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1002 target_t *target = NULL;
1006 ERROR("incomplete target_script command");
1010 target = get_target_by_num(strtoul(args[0], NULL, 0));
1014 ERROR("target number '%s' not defined", args[0]);
1018 if (strcmp(args[1], "reset") == 0)
1020 if (target->reset_script)
1021 free(target->reset_script);
1022 target->reset_script = strdup(args[2]);
1024 else if (strcmp(args[1], "post_halt") == 0)
1026 if (target->post_halt_script)
1027 free(target->post_halt_script);
1028 target->post_halt_script = strdup(args[2]);
1030 else if (strcmp(args[1], "pre_resume") == 0)
1032 if (target->pre_resume_script)
1033 free(target->pre_resume_script);
1034 target->pre_resume_script = strdup(args[2]);
1038 ERROR("unknown event type: '%s", args[1]);
1045 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1047 target_t *target = NULL;
1051 ERROR("incomplete run_and_halt_time command");
1055 target = get_target_by_num(strtoul(args[0], NULL, 0));
1059 ERROR("target number '%s' not defined", args[0]);
1063 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1068 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1070 target_t *target = NULL;
1074 ERROR("incomplete working_area command. usage: working_area <target#> <address> <size> <'backup'|'nobackup'>");
1078 target = get_target_by_num(strtoul(args[0], NULL, 0));
1082 ERROR("target number '%s' not defined", args[0]);
1086 target->working_area = strtoul(args[1], NULL, 0);
1087 target->working_area_size = strtoul(args[2], NULL, 0);
1089 if (strcmp(args[3], "backup") == 0)
1091 target->backup_working_area = 1;
1093 else if (strcmp(args[3], "nobackup") == 0)
1095 target->backup_working_area = 0;
1099 ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
1107 /* process target state changes */
1108 int handle_target(void *priv)
1111 target_t *target = targets;
1115 /* only poll if target isn't already halted */
1116 if (target->state != TARGET_HALTED)
1118 if (target_continous_poll)
1119 if ((retval = target->type->poll(target)) < 0)
1121 ERROR("couldn't poll target, exiting");
1126 target = target->next;
1132 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1141 target = get_current_target(cmd_ctx);
1143 /* list all available registers for the current target */
1146 reg_cache_t *cache = target->reg_cache;
1152 for (i = 0; i < cache->num_regs; i++)
1154 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1155 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);
1158 cache = cache->next;
1164 /* access a single register by its ordinal number */
1165 if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1167 int num = strtoul(args[0], NULL, 0);
1168 reg_cache_t *cache = target->reg_cache;
1174 for (i = 0; i < cache->num_regs; i++)
1178 reg = &cache->reg_list[i];
1184 cache = cache->next;
1189 command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1192 } else /* access a single register by its name */
1194 reg = register_get_by_name(target->reg_cache, args[0], 1);
1198 command_print(cmd_ctx, "register %s not found in current target", args[0]);
1203 /* display a register */
1204 if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1206 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1209 if (reg->valid == 0)
1211 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1212 if (arch_type == NULL)
1214 ERROR("BUG: encountered unregistered arch type");
1217 arch_type->get(reg);
1219 value = buf_to_str(reg->value, reg->size, 16);
1220 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1225 /* set register value */
1228 u8 *buf = malloc(CEIL(reg->size, 8));
1229 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1231 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1232 if (arch_type == NULL)
1234 ERROR("BUG: encountered unregistered arch type");
1238 arch_type->set(reg, buf);
1240 value = buf_to_str(reg->value, reg->size, 16);
1241 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1249 command_print(cmd_ctx, "usage: reg <#|name> [value]");
1254 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1256 target_t *target = get_current_target(cmd_ctx);
1261 command_print(cmd_ctx, "target state: %s", target_state_strings[target->type->poll(target)]);
1262 if (target->state == TARGET_HALTED)
1264 target->type->arch_state(target, buffer, 512);
1266 command_print(cmd_ctx, "%s", buffer);
1271 if (strcmp(args[0], "on") == 0)
1273 target_continous_poll = 1;
1275 else if (strcmp(args[0], "off") == 0)
1277 target_continous_poll = 0;
1285 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1287 target_t *target = get_current_target(cmd_ctx);
1288 struct timeval timeout, now;
1290 gettimeofday(&timeout, NULL);
1292 timeval_add_time(&timeout, 5, 0);
1296 timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
1298 command_print(cmd_ctx, "usage: wait_halt [seconds]");
1303 command_print(cmd_ctx, "waiting for target halted...");
1305 while(target->type->poll(target))
1307 if (target->state == TARGET_HALTED)
1309 command_print(cmd_ctx, "target halted");
1312 target_call_timer_callbacks();
1314 gettimeofday(&now, NULL);
1315 if ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec))
1317 command_print(cmd_ctx, "timed out while waiting for target halt");
1318 ERROR("timed out while waiting for target halt");
1326 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1329 target_t *target = get_current_target(cmd_ctx);
1333 command_print(cmd_ctx, "requesting target halt...");
1335 if ((retval = target->type->halt(target)) != ERROR_OK)
1339 case ERROR_TARGET_ALREADY_HALTED:
1340 command_print(cmd_ctx, "target already halted");
1342 case ERROR_TARGET_TIMEOUT:
1343 command_print(cmd_ctx, "target timed out... shutting down");
1346 command_print(cmd_ctx, "unknown error... shutting down");
1355 /* what to do on daemon startup */
1356 int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1360 if (strcmp(args[0], "attach") == 0)
1362 startup_mode = DAEMON_ATTACH;
1365 else if (strcmp(args[0], "reset") == 0)
1367 startup_mode = DAEMON_RESET;
1372 WARNING("invalid daemon_startup configuration directive: %s", args[0]);
1377 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1379 target_t *target = get_current_target(cmd_ctx);
1382 command_print(cmd_ctx, "requesting target halt and executing a soft reset");
1384 if ((retval = target->type->soft_reset_halt(target)) != ERROR_OK)
1388 case ERROR_TARGET_TIMEOUT:
1389 command_print(cmd_ctx, "target timed out... shutting down");
1392 command_print(cmd_ctx, "unknown error... shutting down");
1400 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1402 target_t *target = get_current_target(cmd_ctx);
1403 enum target_reset_mode reset_mode = RESET_RUN;
1409 if (strcmp("run", args[0]) == 0)
1410 reset_mode = RESET_RUN;
1411 else if (strcmp("halt", args[0]) == 0)
1412 reset_mode = RESET_HALT;
1413 else if (strcmp("init", args[0]) == 0)
1414 reset_mode = RESET_INIT;
1415 else if (strcmp("run_and_halt", args[0]) == 0)
1417 reset_mode = RESET_RUN_AND_HALT;
1420 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1423 else if (strcmp("run_and_init", args[0]) == 0)
1425 reset_mode = RESET_RUN_AND_INIT;
1428 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1433 command_print(cmd_ctx, "usage: reset ['run', 'halt', 'init', 'run_and_halt', 'run_and_init]");
1436 target->reset_mode = reset_mode;
1439 target_process_reset(cmd_ctx);
1444 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1447 target_t *target = get_current_target(cmd_ctx);
1452 retval = target->type->resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1454 retval = target->type->resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1457 command_print(cmd_ctx, "usage: resume [address]");
1461 if (retval != ERROR_OK)
1465 case ERROR_TARGET_NOT_HALTED:
1466 command_print(cmd_ctx, "target not halted");
1469 command_print(cmd_ctx, "unknown error... shutting down");
1477 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1479 target_t *target = get_current_target(cmd_ctx);
1484 target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1487 target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1492 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1505 target_t *target = get_current_target(cmd_ctx);
1511 count = strtoul(args[1], NULL, 0);
1513 address = strtoul(args[0], NULL, 0);
1531 buffer = calloc(count, size);
1532 if ((retval = target->type->read_memory(target, address, size, count, buffer)) != ERROR_OK)
1536 case ERROR_TARGET_UNALIGNED_ACCESS:
1537 command_print(cmd_ctx, "error: address not aligned");
1539 case ERROR_TARGET_NOT_HALTED:
1540 command_print(cmd_ctx, "error: target must be halted for memory accesses");
1542 case ERROR_TARGET_DATA_ABORT:
1543 command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
1546 command_print(cmd_ctx, "error: unknown error");
1554 for (i = 0; i < count; i++)
1557 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1562 output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1565 output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1568 output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1572 if ((i%8 == 7) || (i == count - 1))
1574 command_print(cmd_ctx, output);
1584 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1589 target_t *target = get_current_target(cmd_ctx);
1595 address = strtoul(args[0], NULL, 0);
1596 value = strtoul(args[1], NULL, 0);
1601 target_buffer_set_u32(target, value_buf, value);
1602 retval = target->type->write_memory(target, address, 4, 1, value_buf);
1605 target_buffer_set_u16(target, value_buf, value);
1606 retval = target->type->write_memory(target, address, 2, 1, value_buf);
1609 value_buf[0] = value;
1610 retval = target->type->write_memory(target, address, 1, 1, value_buf);
1618 case ERROR_TARGET_UNALIGNED_ACCESS:
1619 command_print(cmd_ctx, "error: address not aligned");
1621 case ERROR_TARGET_DATA_ABORT:
1622 command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
1624 case ERROR_TARGET_NOT_HALTED:
1625 command_print(cmd_ctx, "error: target must be halted for memory accesses");
1630 command_print(cmd_ctx, "error: unknown error");
1638 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1646 enum fileio_pri_type pri_type = FILEIO_IMAGE;
1647 fileio_image_t image_info;
1648 enum fileio_sec_type sec_type;
1650 duration_t duration;
1651 char *duration_text;
1653 target_t *target = get_current_target(cmd_ctx);
1657 command_print(cmd_ctx, "usage: load_image <filename> <address> [type]");
1661 memset(&file, 0, sizeof(fileio_t));
1662 fileio_identify_image_type(&sec_type, (argc == 3) ? args[2] : NULL);
1664 image_info.base_address = strtoul(args[1], NULL, 0);
1665 image_info.has_start_address = 0;
1667 buffer = malloc(128 * 1024);
1669 duration_start_measure(&duration);
1671 if (fileio_open(&file, args[0], FILEIO_READ,
1672 pri_type, &image_info, sec_type) != ERROR_OK)
1674 command_print(cmd_ctx, "load_image error: %s", file.error_str);
1678 binary_size = file.size;
1679 address = image_info.base_address;
1680 while ((binary_size > 0) &&
1681 (fileio_read(&file, 128 * 1024, buffer, &buf_cnt) == ERROR_OK))
1683 target_write_buffer(target, address, buf_cnt, buffer);
1685 binary_size -= buf_cnt;
1690 duration_stop_measure(&duration, &duration_text);
1691 command_print(cmd_ctx, "downloaded %lli byte in %s", file.size, duration_text);
1692 free(duration_text);
1694 fileio_close(&file);
1700 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1703 fileio_image_t image_info;
1709 duration_t duration;
1710 char *duration_text;
1712 target_t *target = get_current_target(cmd_ctx);
1716 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
1720 address = strtoul(args[1], NULL, 0);
1721 size = strtoul(args[2], NULL, 0);
1723 if ((address & 3) || (size & 3))
1725 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
1729 image_info.base_address = address;
1730 image_info.has_start_address = 0;
1732 if (fileio_open(&file, args[0], FILEIO_WRITE,
1733 FILEIO_IMAGE, &image_info, FILEIO_PLAIN) != ERROR_OK)
1735 command_print(cmd_ctx, "dump_image error: %s", file.error_str);
1739 duration_start_measure(&duration);
1744 u32 this_run_size = (size > 560) ? 560 : size;
1746 target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
1747 fileio_write(&file, this_run_size, buffer, &size_written);
1749 size -= this_run_size;
1750 address += this_run_size;
1753 fileio_close(&file);
1755 duration_stop_measure(&duration, &duration_text);
1756 command_print(cmd_ctx, "dumped %lli byte in %s", file.size, duration_text);
1757 free(duration_text);
1763 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1766 target_t *target = get_current_target(cmd_ctx);
1770 breakpoint_t *breakpoint = target->breakpoints;
1774 if (breakpoint->type == BKPT_SOFT)
1776 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
1777 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
1782 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
1784 breakpoint = breakpoint->next;
1792 length = strtoul(args[1], NULL, 0);
1795 if (strcmp(args[2], "hw") == 0)
1798 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
1802 case ERROR_TARGET_NOT_HALTED:
1803 command_print(cmd_ctx, "target must be halted to set breakpoints");
1805 case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
1806 command_print(cmd_ctx, "no more breakpoints available");
1809 command_print(cmd_ctx, "unknown error, breakpoint not set");
1815 command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
1820 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
1826 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1828 target_t *target = get_current_target(cmd_ctx);
1831 breakpoint_remove(target, strtoul(args[0], NULL, 0));
1836 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1838 target_t *target = get_current_target(cmd_ctx);
1842 watchpoint_t *watchpoint = target->watchpoints;
1846 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);
1847 watchpoint = watchpoint->next;
1852 enum watchpoint_rw type = WPT_ACCESS;
1853 u32 data_value = 0x0;
1854 u32 data_mask = 0xffffffff;
1870 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
1876 data_value = strtoul(args[3], NULL, 0);
1880 data_mask = strtoul(args[4], NULL, 0);
1882 watchpoint_add(target, strtoul(args[0], NULL, 0), strtoul(args[1], NULL, 0), type, data_value, data_mask);
1886 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
1892 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1894 target_t *target = get_current_target(cmd_ctx);
1897 watchpoint_remove(target, strtoul(args[0], NULL, 0));