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>
48 int cli_target_callback_event_handler(struct target_s *target, enum target_event event, void *priv);
50 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
51 int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
52 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
54 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
55 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
56 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
58 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
59 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
60 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
61 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
62 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
63 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
64 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
65 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
66 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
67 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
68 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
69 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
70 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
71 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
72 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
73 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
77 extern target_type_t arm7tdmi_target;
78 extern target_type_t arm720t_target;
79 extern target_type_t arm9tdmi_target;
80 extern target_type_t arm920t_target;
81 extern target_type_t arm966e_target;
82 extern target_type_t arm926ejs_target;
83 extern target_type_t xscale_target;
85 target_type_t *target_types[] =
97 target_t *targets = NULL;
98 target_event_callback_t *target_event_callbacks = NULL;
99 target_timer_callback_t *target_timer_callbacks = NULL;
101 char *target_state_strings[] =
110 char *target_debug_reason_strings[] =
112 "debug request", "breakpoint", "watchpoint",
113 "watchpoint and breakpoint", "single step",
117 char *target_endianess_strings[] =
123 enum daemon_startup_mode startup_mode = DAEMON_ATTACH;
125 static int target_continous_poll = 1;
127 /* read a u32 from a buffer in target memory endianness */
128 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
130 if (target->endianness == TARGET_LITTLE_ENDIAN)
131 return le_to_h_u32(buffer);
133 return be_to_h_u32(buffer);
136 /* read a u16 from a buffer in target memory endianness */
137 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
139 if (target->endianness == TARGET_LITTLE_ENDIAN)
140 return le_to_h_u16(buffer);
142 return be_to_h_u16(buffer);
145 /* write a u32 to a buffer in target memory endianness */
146 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
148 if (target->endianness == TARGET_LITTLE_ENDIAN)
149 h_u32_to_le(buffer, value);
151 h_u32_to_be(buffer, value);
154 /* write a u16 to a buffer in target memory endianness */
155 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
157 if (target->endianness == TARGET_LITTLE_ENDIAN)
158 h_u16_to_le(buffer, value);
160 h_u16_to_be(buffer, value);
163 /* returns a pointer to the n-th configured target */
164 target_t* get_target_by_num(int num)
166 target_t *target = targets;
173 target = target->next;
180 int get_num_by_target(target_t *query_target)
182 target_t *target = targets;
187 if (target == query_target)
189 target = target->next;
196 target_t* get_current_target(command_context_t *cmd_ctx)
198 target_t *target = get_target_by_num(cmd_ctx->current_target);
202 ERROR("BUG: current_target out of bounds");
209 /* Process target initialization, when target entered debug out of reset
210 * the handler is unregistered at the end of this function, so it's only called once
212 int target_init_handler(struct target_s *target, enum target_event event, void *priv)
215 struct command_context_s *cmd_ctx = priv;
217 if ((event == TARGET_EVENT_HALTED) && (target->reset_script))
219 target_unregister_event_callback(target_init_handler, priv);
221 script = fopen(target->reset_script, "r");
224 ERROR("couldn't open script file %s", target->reset_script);
228 INFO("executing reset script '%s'", target->reset_script);
229 command_run_file(cmd_ctx, script, COMMAND_EXEC);
232 jtag_execute_queue();
238 int target_run_and_halt_handler(void *priv)
240 target_t *target = priv;
242 target->type->halt(target);
247 int target_process_reset(struct command_context_s *cmd_ctx)
249 int retval = ERROR_OK;
252 /* prepare reset_halt where necessary */
256 switch (target->reset_mode)
260 target->type->prepare_reset_halt(target);
265 target = target->next;
271 target->type->assert_reset(target);
272 target = target->next;
274 jtag_execute_queue();
276 /* request target halt if necessary, and schedule further action */
280 switch (target->reset_mode)
283 /* nothing to do if target just wants to be run */
285 case RESET_RUN_AND_HALT:
287 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
289 case RESET_RUN_AND_INIT:
291 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
292 target_register_event_callback(target_init_handler, cmd_ctx);
295 target->type->halt(target);
298 target->type->halt(target);
299 target_register_event_callback(target_init_handler, cmd_ctx);
302 ERROR("BUG: unknown target->reset_mode");
304 target = target->next;
310 target->type->deassert_reset(target);
311 target = target->next;
313 jtag_execute_queue();
318 int target_init(struct command_context_s *cmd_ctx)
320 target_t *target = targets;
324 if (target->type->init_target(cmd_ctx, target) != ERROR_OK)
326 ERROR("target '%s' init failed", target->type->name);
329 target = target->next;
334 target_register_user_commands(cmd_ctx);
335 target_register_timer_callback(handle_target, 100, 1, NULL);
338 if (startup_mode == DAEMON_RESET)
339 target_process_reset(cmd_ctx);
344 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
346 target_event_callback_t **callbacks_p = &target_event_callbacks;
348 if (callback == NULL)
350 return ERROR_INVALID_ARGUMENTS;
355 while ((*callbacks_p)->next)
356 callbacks_p = &((*callbacks_p)->next);
357 callbacks_p = &((*callbacks_p)->next);
360 (*callbacks_p) = malloc(sizeof(target_event_callback_t));
361 (*callbacks_p)->callback = callback;
362 (*callbacks_p)->priv = priv;
363 (*callbacks_p)->next = NULL;
368 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
370 target_timer_callback_t **callbacks_p = &target_timer_callbacks;
373 if (callback == NULL)
375 return ERROR_INVALID_ARGUMENTS;
380 while ((*callbacks_p)->next)
381 callbacks_p = &((*callbacks_p)->next);
382 callbacks_p = &((*callbacks_p)->next);
385 (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
386 (*callbacks_p)->callback = callback;
387 (*callbacks_p)->periodic = periodic;
388 (*callbacks_p)->time_ms = time_ms;
390 gettimeofday(&now, NULL);
391 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
392 time_ms -= (time_ms % 1000);
393 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
394 if ((*callbacks_p)->when.tv_usec > 1000000)
396 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
397 (*callbacks_p)->when.tv_sec += 1;
400 (*callbacks_p)->priv = priv;
401 (*callbacks_p)->next = NULL;
406 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
408 target_event_callback_t **p = &target_event_callbacks;
409 target_event_callback_t *c = target_event_callbacks;
411 if (callback == NULL)
413 return ERROR_INVALID_ARGUMENTS;
418 target_event_callback_t *next = c->next;
419 if ((c->callback == callback) && (c->priv == priv))
433 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
435 target_timer_callback_t **p = &target_timer_callbacks;
436 target_timer_callback_t *c = target_timer_callbacks;
438 if (callback == NULL)
440 return ERROR_INVALID_ARGUMENTS;
445 target_timer_callback_t *next = c->next;
446 if ((c->callback == callback) && (c->priv == priv))
460 int target_call_event_callbacks(target_t *target, enum target_event event)
462 target_event_callback_t *callback = target_event_callbacks;
463 target_event_callback_t *next_callback;
465 DEBUG("target event %i", event);
469 next_callback = callback->next;
470 callback->callback(target, event, callback->priv);
471 callback = next_callback;
477 int target_call_timer_callbacks()
479 target_timer_callback_t *callback = target_timer_callbacks;
480 target_timer_callback_t *next_callback;
483 gettimeofday(&now, NULL);
487 next_callback = callback->next;
489 if (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
490 || (now.tv_sec > callback->when.tv_sec))
492 callback->callback(callback->priv);
493 if (callback->periodic)
495 int time_ms = callback->time_ms;
496 callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
497 time_ms -= (time_ms % 1000);
498 callback->when.tv_sec = now.tv_sec + time_ms / 1000;
499 if (callback->when.tv_usec > 1000000)
501 callback->when.tv_usec = callback->when.tv_usec - 1000000;
502 callback->when.tv_sec += 1;
506 target_unregister_timer_callback(callback->callback, callback->priv);
509 callback = next_callback;
515 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
517 working_area_t *c = target->working_areas;
518 working_area_t *new_wa = NULL;
520 /* only allocate multiples of 4 byte */
523 ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
524 size = CEIL(size, 4);
527 /* see if there's already a matching working area */
530 if ((c->free) && (c->size == size))
538 /* if not, allocate a new one */
541 working_area_t **p = &target->working_areas;
542 u32 first_free = target->working_area;
543 u32 free_size = target->working_area_size;
545 DEBUG("allocating new working area");
547 c = target->working_areas;
550 first_free += c->size;
551 free_size -= c->size;
556 if (free_size < size)
558 WARNING("not enough working area available");
559 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
562 new_wa = malloc(sizeof(working_area_t));
565 new_wa->address = first_free;
567 if (target->backup_working_area)
569 new_wa->backup = malloc(new_wa->size);
570 target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup);
574 new_wa->backup = NULL;
577 /* put new entry in list */
581 /* mark as used, and return the new (reused) area */
591 int target_free_working_area(struct target_s *target, working_area_t *area)
596 if (target->backup_working_area)
597 target->type->write_memory(target, area->address, 4, area->size / 4, area->backup);
601 /* mark user pointer invalid */
608 int target_free_all_working_areas(struct target_s *target)
610 working_area_t *c = target->working_areas;
614 working_area_t *next = c->next;
615 target_free_working_area(target, c);
625 target->working_areas = NULL;
630 int target_register_commands(struct command_context_s *cmd_ctx)
632 register_command(cmd_ctx, NULL, "target", handle_target_command, COMMAND_CONFIG, NULL);
633 register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL);
634 register_command(cmd_ctx, NULL, "daemon_startup", handle_daemon_startup_command, COMMAND_CONFIG, NULL);
635 register_command(cmd_ctx, NULL, "target_script", handle_target_script_command, COMMAND_CONFIG, NULL);
636 register_command(cmd_ctx, NULL, "run_and_halt_time", handle_run_and_halt_time_command, COMMAND_CONFIG, NULL);
637 register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_CONFIG, NULL);
642 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
646 DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
648 /* handle writes of less than 4 byte */
651 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
655 /* handle unaligned head bytes */
658 int unaligned = 4 - (address % 4);
660 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
664 address += unaligned;
668 /* handle aligned words */
671 int aligned = size - (size % 4);
673 /* use bulk writes above a certain limit. This may have to be changed */
676 if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
681 if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
690 /* handle tail writes of less than 4 bytes */
693 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
700 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
704 DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
706 /* handle reads of less than 4 byte */
709 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
713 /* handle unaligned head bytes */
716 int unaligned = 4 - (address % 4);
718 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
722 address += unaligned;
726 /* handle aligned words */
729 int aligned = size - (size % 4);
731 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
739 /* handle tail writes of less than 4 bytes */
742 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
749 int target_read_u32(struct target_s *target, u32 address, u32 *value)
753 int retval = target->type->read_memory(target, address, 4, 1, value_buf);
755 if (retval == ERROR_OK)
757 *value = target_buffer_get_u32(target, value_buf);
758 DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
763 DEBUG("address: 0x%8.8x failed", address);
769 int target_read_u16(struct target_s *target, u32 address, u16 *value)
773 int retval = target->type->read_memory(target, address, 2, 1, value_buf);
775 if (retval == ERROR_OK)
777 *value = target_buffer_get_u16(target, value_buf);
778 DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
783 DEBUG("address: 0x%8.8x failed", address);
789 int target_read_u8(struct target_s *target, u32 address, u8 *value)
791 int retval = target->type->read_memory(target, address, 1, 1, value);
793 if (retval == ERROR_OK)
795 DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
800 DEBUG("address: 0x%8.8x failed", address);
806 int target_write_u32(struct target_s *target, u32 address, u32 value)
811 DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
813 target_buffer_set_u32(target, value_buf, value);
814 if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
816 DEBUG("failed: %i", retval);
822 int target_write_u16(struct target_s *target, u32 address, u16 value)
827 DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
829 target_buffer_set_u16(target, value_buf, value);
830 if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
832 DEBUG("failed: %i", retval);
838 int target_write_u8(struct target_s *target, u32 address, u8 value)
842 DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
844 if ((retval = target->type->read_memory(target, address, 1, 1, &value)) != ERROR_OK)
846 DEBUG("failed: %i", retval);
852 int target_register_user_commands(struct command_context_s *cmd_ctx)
854 register_command(cmd_ctx, NULL, "reg", handle_reg_command, COMMAND_EXEC, NULL);
855 register_command(cmd_ctx, NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
856 register_command(cmd_ctx, NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
857 register_command(cmd_ctx, NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
858 register_command(cmd_ctx, NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
859 register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction");
860 register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init|run_and_halt|run_and_init]");
861 register_command(cmd_ctx, NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
863 register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
864 register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
865 register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
867 register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value>");
868 register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value>");
869 register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value>");
871 register_command(cmd_ctx, NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
872 register_command(cmd_ctx, NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
873 register_command(cmd_ctx, NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
874 register_command(cmd_ctx, NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
876 register_command(cmd_ctx, NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex'|'elf']");
877 register_command(cmd_ctx, NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
878 register_command(cmd_ctx, NULL, "load_binary", handle_load_image_command, COMMAND_EXEC, "[DEPRECATED] load_binary <file> <address>");
879 register_command(cmd_ctx, NULL, "dump_binary", handle_dump_image_command, COMMAND_EXEC, "[DEPRECATED] dump_binary <file> <address> <size>");
884 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
886 target_t *target = targets;
891 int num = strtoul(args[0], NULL, 0);
896 target = target->next;
900 cmd_ctx->current_target = num;
902 command_print(cmd_ctx, "%i is out of bounds, only %i targets are configured", num, count);
909 command_print(cmd_ctx, "%i: %s (%s), state: %s", count++, target->type->name, target_endianess_strings[target->endianness], target_state_strings[target->state]);
910 target = target->next;
916 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
923 ERROR("target command requires at least three arguments: <type> <endianess> <reset_mode>");
927 /* search for the specified target */
928 if (args[0] && (args[0][0] != 0))
930 for (i = 0; target_types[i]; i++)
932 if (strcmp(args[0], target_types[i]->name) == 0)
934 target_t **last_target_p = &targets;
936 /* register target specific commands */
937 if (target_types[i]->register_commands(cmd_ctx) != ERROR_OK)
939 ERROR("couldn't register '%s' commands", args[0]);
945 while ((*last_target_p)->next)
946 last_target_p = &((*last_target_p)->next);
947 last_target_p = &((*last_target_p)->next);
950 *last_target_p = malloc(sizeof(target_t));
952 (*last_target_p)->type = target_types[i];
954 if (strcmp(args[1], "big") == 0)
955 (*last_target_p)->endianness = TARGET_BIG_ENDIAN;
956 else if (strcmp(args[1], "little") == 0)
957 (*last_target_p)->endianness = TARGET_LITTLE_ENDIAN;
960 ERROR("endianness must be either 'little' or 'big', not '%s'", args[1]);
964 /* what to do on a target reset */
965 if (strcmp(args[2], "reset_halt") == 0)
966 (*last_target_p)->reset_mode = RESET_HALT;
967 else if (strcmp(args[2], "reset_run") == 0)
968 (*last_target_p)->reset_mode = RESET_RUN;
969 else if (strcmp(args[2], "reset_init") == 0)
970 (*last_target_p)->reset_mode = RESET_INIT;
971 else if (strcmp(args[2], "run_and_halt") == 0)
972 (*last_target_p)->reset_mode = RESET_RUN_AND_HALT;
973 else if (strcmp(args[2], "run_and_init") == 0)
974 (*last_target_p)->reset_mode = RESET_RUN_AND_INIT;
977 ERROR("unknown target startup mode %s", args[2]);
980 (*last_target_p)->run_and_halt_time = 1000; /* default 1s */
982 (*last_target_p)->reset_script = NULL;
983 (*last_target_p)->post_halt_script = NULL;
984 (*last_target_p)->pre_resume_script = NULL;
986 (*last_target_p)->working_area = 0x0;
987 (*last_target_p)->working_area_size = 0x0;
988 (*last_target_p)->working_areas = NULL;
989 (*last_target_p)->backup_working_area = 0;
991 (*last_target_p)->state = TARGET_UNKNOWN;
992 (*last_target_p)->reg_cache = NULL;
993 (*last_target_p)->breakpoints = NULL;
994 (*last_target_p)->watchpoints = NULL;
995 (*last_target_p)->next = NULL;
996 (*last_target_p)->arch_info = NULL;
998 (*last_target_p)->type->target_command(cmd_ctx, cmd, args, argc, *last_target_p);
1006 /* no matching target found */
1009 ERROR("target '%s' not found", args[0]);
1016 /* usage: target_script <target#> <event> <script_file> */
1017 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1019 target_t *target = NULL;
1023 ERROR("incomplete target_script command");
1027 target = get_target_by_num(strtoul(args[0], NULL, 0));
1031 ERROR("target number '%s' not defined", args[0]);
1035 if (strcmp(args[1], "reset") == 0)
1037 if (target->reset_script)
1038 free(target->reset_script);
1039 target->reset_script = strdup(args[2]);
1041 else if (strcmp(args[1], "post_halt") == 0)
1043 if (target->post_halt_script)
1044 free(target->post_halt_script);
1045 target->post_halt_script = strdup(args[2]);
1047 else if (strcmp(args[1], "pre_resume") == 0)
1049 if (target->pre_resume_script)
1050 free(target->pre_resume_script);
1051 target->pre_resume_script = strdup(args[2]);
1055 ERROR("unknown event type: '%s", args[1]);
1062 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1064 target_t *target = NULL;
1068 ERROR("incomplete run_and_halt_time command");
1072 target = get_target_by_num(strtoul(args[0], NULL, 0));
1076 ERROR("target number '%s' not defined", args[0]);
1080 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1085 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1087 target_t *target = NULL;
1091 ERROR("incomplete working_area command. usage: working_area <target#> <address> <size> <'backup'|'nobackup'>");
1095 target = get_target_by_num(strtoul(args[0], NULL, 0));
1099 ERROR("target number '%s' not defined", args[0]);
1103 target->working_area = strtoul(args[1], NULL, 0);
1104 target->working_area_size = strtoul(args[2], NULL, 0);
1106 if (strcmp(args[3], "backup") == 0)
1108 target->backup_working_area = 1;
1110 else if (strcmp(args[3], "nobackup") == 0)
1112 target->backup_working_area = 0;
1116 ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
1124 /* process target state changes */
1125 int handle_target(void *priv)
1128 target_t *target = targets;
1132 /* only poll if target isn't already halted */
1133 if (target->state != TARGET_HALTED)
1135 if (target_continous_poll)
1136 if ((retval = target->type->poll(target)) < 0)
1138 ERROR("couldn't poll target, exiting");
1143 target = target->next;
1149 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1158 target = get_current_target(cmd_ctx);
1160 /* list all available registers for the current target */
1163 reg_cache_t *cache = target->reg_cache;
1169 for (i = 0; i < cache->num_regs; i++)
1171 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1172 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);
1175 cache = cache->next;
1181 /* access a single register by its ordinal number */
1182 if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1184 int num = strtoul(args[0], NULL, 0);
1185 reg_cache_t *cache = target->reg_cache;
1191 for (i = 0; i < cache->num_regs; i++)
1195 reg = &cache->reg_list[i];
1201 cache = cache->next;
1206 command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1209 } else /* access a single register by its name */
1211 reg = register_get_by_name(target->reg_cache, args[0], 1);
1215 command_print(cmd_ctx, "register %s not found in current target", args[0]);
1220 /* display a register */
1221 if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1223 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1226 if (reg->valid == 0)
1228 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1229 if (arch_type == NULL)
1231 ERROR("BUG: encountered unregistered arch type");
1234 arch_type->get(reg);
1236 value = buf_to_str(reg->value, reg->size, 16);
1237 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1242 /* set register value */
1245 u8 *buf = malloc(CEIL(reg->size, 8));
1246 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1248 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1249 if (arch_type == NULL)
1251 ERROR("BUG: encountered unregistered arch type");
1255 arch_type->set(reg, buf);
1257 value = buf_to_str(reg->value, reg->size, 16);
1258 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1266 command_print(cmd_ctx, "usage: reg <#|name> [value]");
1271 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1273 target_t *target = get_current_target(cmd_ctx);
1278 command_print(cmd_ctx, "target state: %s", target_state_strings[target->type->poll(target)]);
1279 if (target->state == TARGET_HALTED)
1281 target->type->arch_state(target, buffer, 512);
1283 command_print(cmd_ctx, "%s", buffer);
1288 if (strcmp(args[0], "on") == 0)
1290 target_continous_poll = 1;
1292 else if (strcmp(args[0], "off") == 0)
1294 target_continous_poll = 0;
1302 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1304 target_t *target = get_current_target(cmd_ctx);
1305 struct timeval timeout, now;
1307 gettimeofday(&timeout, NULL);
1309 timeval_add_time(&timeout, 5, 0);
1313 timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
1315 command_print(cmd_ctx, "usage: wait_halt [seconds]");
1320 command_print(cmd_ctx, "waiting for target halted...");
1322 while(target->type->poll(target))
1324 if (target->state == TARGET_HALTED)
1326 command_print(cmd_ctx, "target halted");
1329 target_call_timer_callbacks();
1331 gettimeofday(&now, NULL);
1332 if ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec))
1334 command_print(cmd_ctx, "timed out while waiting for target halt");
1335 ERROR("timed out while waiting for target halt");
1343 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1346 target_t *target = get_current_target(cmd_ctx);
1350 command_print(cmd_ctx, "requesting target halt...");
1352 if ((retval = target->type->halt(target)) != ERROR_OK)
1356 case ERROR_TARGET_ALREADY_HALTED:
1357 command_print(cmd_ctx, "target already halted");
1359 case ERROR_TARGET_TIMEOUT:
1360 command_print(cmd_ctx, "target timed out... shutting down");
1363 command_print(cmd_ctx, "unknown error... shutting down");
1372 /* what to do on daemon startup */
1373 int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1377 if (strcmp(args[0], "attach") == 0)
1379 startup_mode = DAEMON_ATTACH;
1382 else if (strcmp(args[0], "reset") == 0)
1384 startup_mode = DAEMON_RESET;
1389 WARNING("invalid daemon_startup configuration directive: %s", args[0]);
1394 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1396 target_t *target = get_current_target(cmd_ctx);
1399 command_print(cmd_ctx, "requesting target halt and executing a soft reset");
1401 if ((retval = target->type->soft_reset_halt(target)) != ERROR_OK)
1405 case ERROR_TARGET_TIMEOUT:
1406 command_print(cmd_ctx, "target timed out... shutting down");
1409 command_print(cmd_ctx, "unknown error... shutting down");
1417 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1419 target_t *target = get_current_target(cmd_ctx);
1420 enum target_reset_mode reset_mode = RESET_RUN;
1426 if (strcmp("run", args[0]) == 0)
1427 reset_mode = RESET_RUN;
1428 else if (strcmp("halt", args[0]) == 0)
1429 reset_mode = RESET_HALT;
1430 else if (strcmp("init", args[0]) == 0)
1431 reset_mode = RESET_INIT;
1432 else if (strcmp("run_and_halt", args[0]) == 0)
1434 reset_mode = RESET_RUN_AND_HALT;
1437 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1440 else if (strcmp("run_and_init", args[0]) == 0)
1442 reset_mode = RESET_RUN_AND_INIT;
1445 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1450 command_print(cmd_ctx, "usage: reset ['run', 'halt', 'init', 'run_and_halt', 'run_and_init]");
1453 target->reset_mode = reset_mode;
1456 target_process_reset(cmd_ctx);
1461 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1464 target_t *target = get_current_target(cmd_ctx);
1469 retval = target->type->resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1471 retval = target->type->resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1474 command_print(cmd_ctx, "usage: resume [address]");
1478 if (retval != ERROR_OK)
1482 case ERROR_TARGET_NOT_HALTED:
1483 command_print(cmd_ctx, "target not halted");
1486 command_print(cmd_ctx, "unknown error... shutting down");
1494 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1496 target_t *target = get_current_target(cmd_ctx);
1501 target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1504 target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1509 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1522 target_t *target = get_current_target(cmd_ctx);
1528 count = strtoul(args[1], NULL, 0);
1530 address = strtoul(args[0], NULL, 0);
1548 buffer = calloc(count, size);
1549 if ((retval = target->type->read_memory(target, address, size, count, buffer)) != ERROR_OK)
1553 case ERROR_TARGET_UNALIGNED_ACCESS:
1554 command_print(cmd_ctx, "error: address not aligned");
1556 case ERROR_TARGET_NOT_HALTED:
1557 command_print(cmd_ctx, "error: target must be halted for memory accesses");
1559 case ERROR_TARGET_DATA_ABORT:
1560 command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
1563 command_print(cmd_ctx, "error: unknown error");
1571 for (i = 0; i < count; i++)
1574 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1579 output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1582 output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1585 output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1589 if ((i%8 == 7) || (i == count - 1))
1591 command_print(cmd_ctx, output);
1601 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1606 target_t *target = get_current_target(cmd_ctx);
1612 address = strtoul(args[0], NULL, 0);
1613 value = strtoul(args[1], NULL, 0);
1618 target_buffer_set_u32(target, value_buf, value);
1619 retval = target->type->write_memory(target, address, 4, 1, value_buf);
1622 target_buffer_set_u16(target, value_buf, value);
1623 retval = target->type->write_memory(target, address, 2, 1, value_buf);
1626 value_buf[0] = value;
1627 retval = target->type->write_memory(target, address, 1, 1, value_buf);
1635 case ERROR_TARGET_UNALIGNED_ACCESS:
1636 command_print(cmd_ctx, "error: address not aligned");
1638 case ERROR_TARGET_DATA_ABORT:
1639 command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
1641 case ERROR_TARGET_NOT_HALTED:
1642 command_print(cmd_ctx, "error: target must be halted for memory accesses");
1647 command_print(cmd_ctx, "error: unknown error");
1655 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1665 duration_t duration;
1666 char *duration_text;
1668 target_t *target = get_current_target(cmd_ctx);
1672 command_print(cmd_ctx, "usage: load_image <filename> [address] [type]");
1676 /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
1679 image.base_address_set = 1;
1680 image.base_address = strtoul(args[1], NULL, 0);
1684 image.base_address_set = 0;
1687 image.start_address_set = 0;
1689 duration_start_measure(&duration);
1691 if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
1693 command_print(cmd_ctx, "load_image error: %s", image.error_str);
1698 for (i = 0; i < image.num_sections; i++)
1700 buffer = malloc(image.sections[i].size);
1701 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
1703 ERROR("image_read_section failed with error code: %i", retval);
1704 command_print(cmd_ctx, "image reading failed, download aborted");
1706 image_close(&image);
1709 target_write_buffer(target, image.sections[i].base_address, buf_cnt, buffer);
1710 image_size += buf_cnt;
1711 command_print(cmd_ctx, "%u byte written at address 0x%8.8x", buf_cnt, image.sections[i].base_address);
1716 duration_stop_measure(&duration, &duration_text);
1717 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
1718 free(duration_text);
1720 image_close(&image);
1726 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1734 duration_t duration;
1735 char *duration_text;
1737 target_t *target = get_current_target(cmd_ctx);
1741 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
1745 address = strtoul(args[1], NULL, 0);
1746 size = strtoul(args[2], NULL, 0);
1748 if ((address & 3) || (size & 3))
1750 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
1754 if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
1756 command_print(cmd_ctx, "dump_image error: %s", fileio.error_str);
1760 duration_start_measure(&duration);
1765 u32 this_run_size = (size > 560) ? 560 : size;
1767 target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
1768 fileio_write(&fileio, this_run_size, buffer, &size_written);
1770 size -= this_run_size;
1771 address += this_run_size;
1774 fileio_close(&fileio);
1776 duration_stop_measure(&duration, &duration_text);
1777 command_print(cmd_ctx, "dumped %lli byte in %s", fileio.size, duration_text);
1778 free(duration_text);
1784 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1787 target_t *target = get_current_target(cmd_ctx);
1791 breakpoint_t *breakpoint = target->breakpoints;
1795 if (breakpoint->type == BKPT_SOFT)
1797 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
1798 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
1803 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
1805 breakpoint = breakpoint->next;
1813 length = strtoul(args[1], NULL, 0);
1816 if (strcmp(args[2], "hw") == 0)
1819 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
1823 case ERROR_TARGET_NOT_HALTED:
1824 command_print(cmd_ctx, "target must be halted to set breakpoints");
1826 case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
1827 command_print(cmd_ctx, "no more breakpoints available");
1830 command_print(cmd_ctx, "unknown error, breakpoint not set");
1836 command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
1841 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
1847 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1849 target_t *target = get_current_target(cmd_ctx);
1852 breakpoint_remove(target, strtoul(args[0], NULL, 0));
1857 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1859 target_t *target = get_current_target(cmd_ctx);
1863 watchpoint_t *watchpoint = target->watchpoints;
1867 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);
1868 watchpoint = watchpoint->next;
1873 enum watchpoint_rw type = WPT_ACCESS;
1874 u32 data_value = 0x0;
1875 u32 data_mask = 0xffffffff;
1891 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
1897 data_value = strtoul(args[3], NULL, 0);
1901 data_mask = strtoul(args[4], NULL, 0);
1903 watchpoint_add(target, strtoul(args[0], NULL, 0), strtoul(args[1], NULL, 0), type, data_value, data_mask);
1907 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
1913 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1915 target_t *target = get_current_target(cmd_ctx);
1918 watchpoint_remove(target, strtoul(args[0], NULL, 0));