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>
45 int cli_target_callback_event_handler(struct target_s
*target
, enum target_event event
, void *priv
);
47 int handle_target_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
48 int handle_daemon_startup_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
49 int handle_targets_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
51 int handle_target_script_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
52 int handle_run_and_halt_time_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
53 int handle_working_area_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
55 int handle_reg_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
56 int handle_poll_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
57 int handle_halt_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
58 int handle_wait_halt_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
59 int handle_reset_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
60 int handle_soft_reset_halt_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
61 int handle_resume_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
62 int handle_step_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
63 int handle_md_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
64 int handle_mw_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
65 int handle_load_binary_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
66 int handle_dump_binary_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
67 int handle_bp_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
68 int handle_rbp_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
69 int handle_wp_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
70 int handle_rwp_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
74 extern target_type_t arm7tdmi_target
;
75 extern target_type_t arm720t_target
;
76 extern target_type_t arm9tdmi_target
;
77 extern target_type_t arm920t_target
;
78 extern target_type_t arm966e_target
;
80 target_type_t
*target_types
[] =
90 target_t
*targets
= NULL
;
91 target_event_callback_t
*target_event_callbacks
= NULL
;
92 target_timer_callback_t
*target_timer_callbacks
= NULL
;
94 char *target_state_strings
[] =
103 char *target_debug_reason_strings
[] =
105 "debug request", "breakpoint", "watchpoint",
106 "watchpoint and breakpoint", "single step",
110 char *target_endianess_strings
[] =
116 enum daemon_startup_mode startup_mode
= DAEMON_ATTACH
;
118 static int target_continous_poll
= 1;
120 /* read a u32 from a buffer in target memory endianness */
121 u32
target_buffer_get_u32(target_t
*target
, u8
*buffer
)
123 if (target
->endianness
== TARGET_LITTLE_ENDIAN
)
124 return le_to_h_u32(buffer
);
126 return be_to_h_u32(buffer
);
129 /* read a u16 from a buffer in target memory endianness */
130 u16
target_buffer_get_u16(target_t
*target
, u8
*buffer
)
132 if (target
->endianness
== TARGET_LITTLE_ENDIAN
)
133 return le_to_h_u16(buffer
);
135 return be_to_h_u16(buffer
);
138 /* write a u32 to a buffer in target memory endianness */
139 void target_buffer_set_u32(target_t
*target
, u8
*buffer
, u32 value
)
141 if (target
->endianness
== TARGET_LITTLE_ENDIAN
)
142 h_u32_to_le(buffer
, value
);
144 h_u32_to_be(buffer
, value
);
147 /* write a u16 to a buffer in target memory endianness */
148 void target_buffer_set_u16(target_t
*target
, u8
*buffer
, u16 value
)
150 if (target
->endianness
== TARGET_LITTLE_ENDIAN
)
151 h_u16_to_le(buffer
, value
);
153 h_u16_to_be(buffer
, value
);
156 /* returns a pointer to the n-th configured target */
157 target_t
* get_target_by_num(int num
)
159 target_t
*target
= targets
;
166 target
= target
->next
;
173 int get_num_by_target(target_t
*query_target
)
175 target_t
*target
= targets
;
180 if (target
== query_target
)
182 target
= target
->next
;
189 target_t
* get_current_target(command_context_t
*cmd_ctx
)
191 target_t
*target
= get_target_by_num(cmd_ctx
->current_target
);
195 ERROR("BUG: current_target out of bounds");
202 /* Process target initialization, when target entered debug out of reset
203 * the handler is unregistered at the end of this function, so it's only called once
205 int target_init_handler(struct target_s
*target
, enum target_event event
, void *priv
)
208 struct command_context_s
*cmd_ctx
= priv
;
210 if ((event
== TARGET_EVENT_HALTED
) && (target
->reset_script
))
212 script
= fopen(target
->reset_script
, "r");
215 ERROR("couldn't open script file %s", target
->reset_script
);
219 INFO("executing reset script '%s'", target
->reset_script
);
220 command_run_file(cmd_ctx
, script
, COMMAND_EXEC
);
223 jtag_execute_queue();
225 target_unregister_event_callback(target_init_handler
, priv
);
231 int target_run_and_halt_handler(void *priv
)
233 target_t
*target
= priv
;
235 target
->type
->halt(target
);
240 int target_process_reset(struct command_context_s
*cmd_ctx
)
242 int retval
= ERROR_OK
;
248 target
->type
->assert_reset(target
);
249 target
= target
->next
;
251 jtag_execute_queue();
253 /* request target halt if necessary, and schedule further action */
257 switch (target
->reset_mode
)
260 /* nothing to do if target just wants to be run */
262 case RESET_RUN_AND_HALT
:
264 target_register_timer_callback(target_run_and_halt_handler
, target
->run_and_halt_time
, 0, target
);
266 case RESET_RUN_AND_INIT
:
268 target_register_timer_callback(target_run_and_halt_handler
, target
->run_and_halt_time
, 0, target
);
269 target_register_event_callback(target_init_handler
, cmd_ctx
);
272 target
->type
->halt(target
);
275 target
->type
->halt(target
);
276 target_register_event_callback(target_init_handler
, cmd_ctx
);
279 ERROR("BUG: unknown target->reset_mode");
281 target
= target
->next
;
287 target
->type
->deassert_reset(target
);
288 target
= target
->next
;
290 jtag_execute_queue();
295 int target_init(struct command_context_s
*cmd_ctx
)
297 target_t
*target
= targets
;
301 if (target
->type
->init_target(cmd_ctx
, target
) != ERROR_OK
)
303 ERROR("target '%s' init failed", target
->type
->name
);
306 target
= target
->next
;
311 target_register_user_commands(cmd_ctx
);
312 target_register_timer_callback(handle_target
, 100, 1, NULL
);
315 if (startup_mode
== DAEMON_RESET
)
316 target_process_reset(cmd_ctx
);
321 int target_register_event_callback(int (*callback
)(struct target_s
*target
, enum target_event event
, void *priv
), void *priv
)
323 target_event_callback_t
**callbacks_p
= &target_event_callbacks
;
325 if (callback
== NULL
)
327 return ERROR_INVALID_ARGUMENTS
;
332 while ((*callbacks_p
)->next
)
333 callbacks_p
= &((*callbacks_p
)->next
);
334 callbacks_p
= &((*callbacks_p
)->next
);
337 (*callbacks_p
) = malloc(sizeof(target_event_callback_t
));
338 (*callbacks_p
)->callback
= callback
;
339 (*callbacks_p
)->priv
= priv
;
340 (*callbacks_p
)->next
= NULL
;
345 int target_register_timer_callback(int (*callback
)(void *priv
), int time_ms
, int periodic
, void *priv
)
347 target_timer_callback_t
**callbacks_p
= &target_timer_callbacks
;
350 if (callback
== NULL
)
352 return ERROR_INVALID_ARGUMENTS
;
357 while ((*callbacks_p
)->next
)
358 callbacks_p
= &((*callbacks_p
)->next
);
359 callbacks_p
= &((*callbacks_p
)->next
);
362 (*callbacks_p
) = malloc(sizeof(target_timer_callback_t
));
363 (*callbacks_p
)->callback
= callback
;
364 (*callbacks_p
)->periodic
= periodic
;
365 (*callbacks_p
)->time_ms
= time_ms
;
367 gettimeofday(&now
, NULL
);
368 (*callbacks_p
)->when
.tv_usec
= now
.tv_usec
+ (time_ms
% 1000) * 1000;
369 time_ms
-= (time_ms
% 1000);
370 (*callbacks_p
)->when
.tv_sec
= now
.tv_sec
+ (time_ms
/ 1000);
371 if ((*callbacks_p
)->when
.tv_usec
> 1000000)
373 (*callbacks_p
)->when
.tv_usec
= (*callbacks_p
)->when
.tv_usec
- 1000000;
374 (*callbacks_p
)->when
.tv_sec
+= 1;
377 (*callbacks_p
)->priv
= priv
;
378 (*callbacks_p
)->next
= NULL
;
383 int target_unregister_event_callback(int (*callback
)(struct target_s
*target
, enum target_event event
, void *priv
), void *priv
)
385 target_event_callback_t
**p
= &target_event_callbacks
;
386 target_event_callback_t
*c
= target_event_callbacks
;
388 if (callback
== NULL
)
390 return ERROR_INVALID_ARGUMENTS
;
395 target_event_callback_t
*next
= c
->next
;
396 if ((c
->callback
== callback
) && (c
->priv
== priv
))
410 int target_unregister_timer_callback(int (*callback
)(void *priv
), void *priv
)
412 target_timer_callback_t
**p
= &target_timer_callbacks
;
413 target_timer_callback_t
*c
= target_timer_callbacks
;
415 if (callback
== NULL
)
417 return ERROR_INVALID_ARGUMENTS
;
422 target_timer_callback_t
*next
= c
->next
;
423 if ((c
->callback
== callback
) && (c
->priv
== priv
))
437 int target_call_event_callbacks(target_t
*target
, enum target_event event
)
439 target_event_callback_t
*callback
= target_event_callbacks
;
440 target_event_callback_t
*next_callback
;
442 DEBUG("target event %i", event
);
446 next_callback
= callback
->next
;
447 callback
->callback(target
, event
, callback
->priv
);
448 callback
= next_callback
;
454 int target_call_timer_callbacks()
456 target_timer_callback_t
*callback
= target_timer_callbacks
;
457 target_timer_callback_t
*next_callback
;
460 gettimeofday(&now
, NULL
);
464 next_callback
= callback
->next
;
466 if (((now
.tv_sec
>= callback
->when
.tv_sec
) && (now
.tv_usec
>= callback
->when
.tv_usec
))
467 || (now
.tv_sec
> callback
->when
.tv_sec
))
469 callback
->callback(callback
->priv
);
470 if (callback
->periodic
)
472 int time_ms
= callback
->time_ms
;
473 callback
->when
.tv_usec
= now
.tv_usec
+ (time_ms
% 1000) * 1000;
474 time_ms
-= (time_ms
% 1000);
475 callback
->when
.tv_sec
= now
.tv_sec
+ time_ms
/ 1000;
476 if (callback
->when
.tv_usec
> 1000000)
478 callback
->when
.tv_usec
= callback
->when
.tv_usec
- 1000000;
479 callback
->when
.tv_sec
+= 1;
483 target_unregister_timer_callback(callback
->callback
, callback
->priv
);
486 callback
= next_callback
;
492 int target_alloc_working_area(struct target_s
*target
, u32 size
, working_area_t
**area
)
494 working_area_t
*c
= target
->working_areas
;
495 working_area_t
*new_wa
= NULL
;
497 /* only allocate multiples of 4 byte */
500 ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
501 size
= CEIL(size
, 4);
504 /* see if there's already a matching working area */
507 if ((c
->free
) && (c
->size
== size
))
515 /* if not, allocate a new one */
518 working_area_t
**p
= &target
->working_areas
;
519 u32 first_free
= target
->working_area
;
520 u32 free_size
= target
->working_area_size
;
522 DEBUG("allocating new working area");
524 c
= target
->working_areas
;
527 first_free
+= c
->size
;
528 free_size
-= c
->size
;
533 if (free_size
< size
)
535 WARNING("not enough working area available");
536 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE
;
539 new_wa
= malloc(sizeof(working_area_t
));
542 new_wa
->address
= first_free
;
544 if (target
->backup_working_area
)
546 new_wa
->backup
= malloc(new_wa
->size
);
547 target
->type
->read_memory(target
, new_wa
->address
, 4, new_wa
->size
/ 4, new_wa
->backup
);
551 new_wa
->backup
= NULL
;
554 /* put new entry in list */
558 /* mark as used, and return the new (reused) area */
568 int target_free_working_area(struct target_s
*target
, working_area_t
*area
)
573 if (target
->backup_working_area
)
574 target
->type
->write_memory(target
, area
->address
, 4, area
->size
/ 4, area
->backup
);
578 /* mark user pointer invalid */
585 int target_free_all_working_areas(struct target_s
*target
)
587 working_area_t
*c
= target
->working_areas
;
591 working_area_t
*next
= c
->next
;
592 target_free_working_area(target
, c
);
602 target
->working_areas
= NULL
;
607 int target_register_commands(struct command_context_s
*cmd_ctx
)
609 register_command(cmd_ctx
, NULL
, "target", handle_target_command
, COMMAND_CONFIG
, NULL
);
610 register_command(cmd_ctx
, NULL
, "targets", handle_targets_command
, COMMAND_EXEC
, NULL
);
611 register_command(cmd_ctx
, NULL
, "daemon_startup", handle_daemon_startup_command
, COMMAND_CONFIG
, NULL
);
612 register_command(cmd_ctx
, NULL
, "target_script", handle_target_script_command
, COMMAND_CONFIG
, NULL
);
613 register_command(cmd_ctx
, NULL
, "run_and_halt_time", handle_run_and_halt_time_command
, COMMAND_CONFIG
, NULL
);
614 register_command(cmd_ctx
, NULL
, "working_area", handle_working_area_command
, COMMAND_CONFIG
, NULL
);
619 int target_write_buffer(struct target_s
*target
, u32 address
, u32 size
, u8
*buffer
)
623 DEBUG("writing buffer of %i byte at 0x%8.8x", size
, address
);
625 /* handle writes of less than 4 byte */
628 if ((retval
= target
->type
->write_memory(target
, address
, 1, size
, buffer
)) != ERROR_OK
)
632 /* handle unaligned head bytes */
635 int unaligned
= 4 - (address
% 4);
637 if ((retval
= target
->type
->write_memory(target
, address
, 1, unaligned
, buffer
)) != ERROR_OK
)
641 address
+= unaligned
;
645 /* handle aligned words */
648 int aligned
= size
- (size
% 4);
650 /* use bulk writes above a certain limit. This may have to be changed */
653 if ((retval
= target
->type
->bulk_write_memory(target
, address
, aligned
/ 4, buffer
)) != ERROR_OK
)
658 if ((retval
= target
->type
->write_memory(target
, address
, 4, aligned
/ 4, buffer
)) != ERROR_OK
)
667 /* handle tail writes of less than 4 bytes */
670 if ((retval
= target
->type
->write_memory(target
, address
, 1, size
, buffer
)) != ERROR_OK
)
677 int target_read_buffer(struct target_s
*target
, u32 address
, u32 size
, u8
*buffer
)
681 DEBUG("reading buffer of %i byte at 0x%8.8x", size
, address
);
683 /* handle reads of less than 4 byte */
686 if ((retval
= target
->type
->read_memory(target
, address
, 1, size
, buffer
)) != ERROR_OK
)
690 /* handle unaligned head bytes */
693 int unaligned
= 4 - (address
% 4);
695 if ((retval
= target
->type
->read_memory(target
, address
, 1, unaligned
, buffer
)) != ERROR_OK
)
699 address
+= unaligned
;
703 /* handle aligned words */
706 int aligned
= size
- (size
% 4);
708 if ((retval
= target
->type
->read_memory(target
, address
, 4, aligned
/ 4, buffer
)) != ERROR_OK
)
716 /* handle tail writes of less than 4 bytes */
719 if ((retval
= target
->type
->read_memory(target
, address
, 1, size
, buffer
)) != ERROR_OK
)
726 void target_read_u32(struct target_s
*target
, u32 address
, u32
*value
)
730 target
->type
->read_memory(target
, address
, 4, 1, value_buf
);
732 *value
= target_buffer_get_u32(target
, value_buf
);
735 void target_read_u16(struct target_s
*target
, u32 address
, u16
*value
)
739 target
->type
->read_memory(target
, address
, 2, 1, value_buf
);
741 *value
= target_buffer_get_u16(target
, value_buf
);
744 void target_read_u8(struct target_s
*target
, u32 address
, u8
*value
)
746 target
->type
->read_memory(target
, address
, 1, 1, value
);
749 void target_write_u32(struct target_s
*target
, u32 address
, u32 value
)
753 target_buffer_set_u32(target
, value_buf
, value
);
754 target
->type
->write_memory(target
, address
, 4, 1, value_buf
);
757 void target_write_u16(struct target_s
*target
, u32 address
, u16 value
)
761 target_buffer_set_u16(target
, value_buf
, value
);
762 target
->type
->write_memory(target
, address
, 2, 1, value_buf
);
765 void target_write_u8(struct target_s
*target
, u32 address
, u8 value
)
767 target
->type
->read_memory(target
, address
, 1, 1, &value
);
770 int target_register_user_commands(struct command_context_s
*cmd_ctx
)
772 register_command(cmd_ctx
, NULL
, "reg", handle_reg_command
, COMMAND_EXEC
, NULL
);
773 register_command(cmd_ctx
, NULL
, "poll", handle_poll_command
, COMMAND_EXEC
, "poll target state");
774 register_command(cmd_ctx
, NULL
, "wait_halt", handle_wait_halt_command
, COMMAND_EXEC
, "wait for target halt");
775 register_command(cmd_ctx
, NULL
, "halt", handle_halt_command
, COMMAND_EXEC
, "halt target");
776 register_command(cmd_ctx
, NULL
, "resume", handle_resume_command
, COMMAND_EXEC
, "resume target [addr]");
777 register_command(cmd_ctx
, NULL
, "step", handle_step_command
, COMMAND_EXEC
, "step one instruction");
778 register_command(cmd_ctx
, NULL
, "reset", handle_reset_command
, COMMAND_EXEC
, "reset target [run|halt|init|run_and_halt|run_and_init]");
779 register_command(cmd_ctx
, NULL
, "soft_reset_halt", handle_soft_reset_halt_command
, COMMAND_EXEC
, "halt the target and do a soft reset");
781 register_command(cmd_ctx
, NULL
, "mdw", handle_md_command
, COMMAND_EXEC
, "display memory words <addr> [count]");
782 register_command(cmd_ctx
, NULL
, "mdh", handle_md_command
, COMMAND_EXEC
, "display memory half-words <addr> [count]");
783 register_command(cmd_ctx
, NULL
, "mdb", handle_md_command
, COMMAND_EXEC
, "display memory bytes <addr> [count]");
785 register_command(cmd_ctx
, NULL
, "mww", handle_mw_command
, COMMAND_EXEC
, "write memory word <addr> <value>");
786 register_command(cmd_ctx
, NULL
, "mwh", handle_mw_command
, COMMAND_EXEC
, "write memory half-word <addr> <value>");
787 register_command(cmd_ctx
, NULL
, "mwb", handle_mw_command
, COMMAND_EXEC
, "write memory byte <addr> <value>");
789 register_command(cmd_ctx
, NULL
, "bp", handle_bp_command
, COMMAND_EXEC
, "set breakpoint <address> <length> [hw]");
790 register_command(cmd_ctx
, NULL
, "rbp", handle_rbp_command
, COMMAND_EXEC
, "remove breakpoint <adress>");
791 register_command(cmd_ctx
, NULL
, "wp", handle_wp_command
, COMMAND_EXEC
, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
792 register_command(cmd_ctx
, NULL
, "rwp", handle_rwp_command
, COMMAND_EXEC
, "remove watchpoint <adress>");
794 register_command(cmd_ctx
, NULL
, "load_binary", handle_load_binary_command
, COMMAND_EXEC
, "load binary <file> <address>");
795 register_command(cmd_ctx
, NULL
, "dump_binary", handle_dump_binary_command
, COMMAND_EXEC
, "dump binary <file> <address> <size>");
800 int handle_targets_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
802 target_t
*target
= targets
;
807 int num
= strtoul(args
[0], NULL
, 0);
812 target
= target
->next
;
816 cmd_ctx
->current_target
= num
;
818 command_print(cmd_ctx
, "%i is out of bounds, only %i targets are configured", num
, count
);
825 command_print(cmd_ctx
, "%i: %s (%s), state: %s", count
++, target
->type
->name
, target_endianess_strings
[target
->endianness
], target_state_strings
[target
->state
]);
826 target
= target
->next
;
832 int handle_target_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
839 ERROR("target command requires at least three arguments: <type> <endianess> <reset_mode>");
843 /* search for the specified target */
844 if (args
[0] && (args
[0][0] != 0))
846 for (i
= 0; target_types
[i
]; i
++)
848 if (strcmp(args
[0], target_types
[i
]->name
) == 0)
850 target_t
**last_target_p
= &targets
;
852 /* register target specific commands */
853 if (target_types
[i
]->register_commands(cmd_ctx
) != ERROR_OK
)
855 ERROR("couldn't register '%s' commands", args
[0]);
861 while ((*last_target_p
)->next
)
862 last_target_p
= &((*last_target_p
)->next
);
863 last_target_p
= &((*last_target_p
)->next
);
866 *last_target_p
= malloc(sizeof(target_t
));
868 (*last_target_p
)->type
= target_types
[i
];
870 if (strcmp(args
[1], "big") == 0)
871 (*last_target_p
)->endianness
= TARGET_BIG_ENDIAN
;
872 else if (strcmp(args
[1], "little") == 0)
873 (*last_target_p
)->endianness
= TARGET_LITTLE_ENDIAN
;
876 ERROR("endianness must be either 'little' or 'big', not '%s'", args
[1]);
880 /* what to do on a target reset */
881 if (strcmp(args
[2], "reset_halt") == 0)
882 (*last_target_p
)->reset_mode
= RESET_HALT
;
883 else if (strcmp(args
[2], "reset_run") == 0)
884 (*last_target_p
)->reset_mode
= RESET_RUN
;
885 else if (strcmp(args
[2], "reset_init") == 0)
886 (*last_target_p
)->reset_mode
= RESET_INIT
;
887 else if (strcmp(args
[2], "run_and_halt") == 0)
888 (*last_target_p
)->reset_mode
= RESET_RUN_AND_HALT
;
889 else if (strcmp(args
[2], "run_and_init") == 0)
890 (*last_target_p
)->reset_mode
= RESET_RUN_AND_INIT
;
893 ERROR("unknown target startup mode %s", args
[2]);
896 (*last_target_p
)->run_and_halt_time
= 1000; /* default 1s */
898 (*last_target_p
)->reset_script
= NULL
;
899 (*last_target_p
)->post_halt_script
= NULL
;
900 (*last_target_p
)->pre_resume_script
= NULL
;
902 (*last_target_p
)->working_area
= 0x0;
903 (*last_target_p
)->working_area_size
= 0x0;
904 (*last_target_p
)->working_areas
= NULL
;
905 (*last_target_p
)->backup_working_area
= 0;
907 (*last_target_p
)->endianness
= TARGET_LITTLE_ENDIAN
;
908 (*last_target_p
)->state
= TARGET_UNKNOWN
;
909 (*last_target_p
)->reg_cache
= NULL
;
910 (*last_target_p
)->breakpoints
= NULL
;
911 (*last_target_p
)->watchpoints
= NULL
;
912 (*last_target_p
)->next
= NULL
;
913 (*last_target_p
)->arch_info
= NULL
;
915 (*last_target_p
)->type
->target_command(cmd_ctx
, cmd
, args
, argc
, *last_target_p
);
923 /* no matching target found */
926 ERROR("target '%s' not found", args
[0]);
933 /* usage: target_script <target#> <event> <script_file> */
934 int handle_target_script_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
936 target_t
*target
= NULL
;
940 ERROR("incomplete target_script command");
944 target
= get_target_by_num(strtoul(args
[0], NULL
, 0));
948 ERROR("target number '%s' not defined", args
[0]);
952 if (strcmp(args
[1], "reset") == 0)
954 if (target
->reset_script
)
955 free(target
->reset_script
);
956 target
->reset_script
= strdup(args
[2]);
958 else if (strcmp(args
[1], "post_halt") == 0)
960 if (target
->post_halt_script
)
961 free(target
->post_halt_script
);
962 target
->post_halt_script
= strdup(args
[2]);
964 else if (strcmp(args
[1], "pre_resume") == 0)
966 if (target
->pre_resume_script
)
967 free(target
->pre_resume_script
);
968 target
->pre_resume_script
= strdup(args
[2]);
972 ERROR("unknown event type: '%s", args
[1]);
979 int handle_run_and_halt_time_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
981 target_t
*target
= NULL
;
985 ERROR("incomplete run_and_halt_time command");
989 target
= get_target_by_num(strtoul(args
[0], NULL
, 0));
993 ERROR("target number '%s' not defined", args
[0]);
997 target
->run_and_halt_time
= strtoul(args
[1], NULL
, 0);
1002 int handle_working_area_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
1004 target_t
*target
= NULL
;
1008 ERROR("incomplete working_area command. usage: working_area <target#> <address> <size> <'backup'|'nobackup'>");
1012 target
= get_target_by_num(strtoul(args
[0], NULL
, 0));
1016 ERROR("target number '%s' not defined", args
[0]);
1020 target
->working_area
= strtoul(args
[1], NULL
, 0);
1021 target
->working_area_size
= strtoul(args
[2], NULL
, 0);
1023 if (strcmp(args
[3], "backup") == 0)
1025 target
->backup_working_area
= 1;
1027 else if (strcmp(args
[3], "nobackup") == 0)
1029 target
->backup_working_area
= 0;
1033 ERROR("unrecognized <backup|nobackup> argument (%s)", args
[3]);
1041 /* process target state changes */
1042 int handle_target(void *priv
)
1045 target_t
*target
= targets
;
1049 /* only poll if target isn't already halted */
1050 if (target
->state
!= TARGET_HALTED
)
1052 if (target_continous_poll
)
1053 if ((retval
= target
->type
->poll(target
)) < 0)
1055 ERROR("couldn't poll target, exiting");
1060 target
= target
->next
;
1066 int handle_reg_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
1075 target
= get_current_target(cmd_ctx
);
1077 /* list all available registers for the current target */
1080 reg_cache_t
*cache
= target
->reg_cache
;
1086 for (i
= 0; i
< cache
->num_regs
; i
++)
1088 value
= buf_to_char(cache
->reg_list
[i
].value
, cache
->reg_list
[i
].size
);
1089 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
);
1092 cache
= cache
->next
;
1098 /* access a single register by its ordinal number */
1099 if ((args
[0][0] >= '0') && (args
[0][0] <= '9'))
1101 int num
= strtoul(args
[0], NULL
, 0);
1102 reg_cache_t
*cache
= target
->reg_cache
;
1108 for (i
= 0; i
< cache
->num_regs
; i
++)
1112 reg
= &cache
->reg_list
[i
];
1118 cache
= cache
->next
;
1123 command_print(cmd_ctx
, "%i is out of bounds, the current target has only %i registers (0 - %i)", num
, count
, count
- 1);
1126 } else /* access a single register by its name */
1128 reg
= register_get_by_name(target
->reg_cache
, args
[0], 1);
1132 command_print(cmd_ctx
, "register %s not found in current target", args
[0]);
1137 /* display a register */
1138 if ((argc
== 1) || ((argc
== 2) && !((args
[1][0] >= '0') && (args
[1][0] <= '9'))))
1140 if ((argc
== 2) && (strcmp(args
[1], "force") == 0))
1143 if (reg
->valid
== 0)
1145 reg_arch_type_t
*arch_type
= register_get_arch_type(reg
->arch_type
);
1146 if (arch_type
== NULL
)
1148 ERROR("BUG: encountered unregistered arch type");
1151 arch_type
->get(reg
);
1153 value
= buf_to_char(reg
->value
, reg
->size
);
1154 command_print(cmd_ctx
, "%s (/%i): 0x%s", reg
->name
, reg
->size
, value
);
1159 /* set register value */
1162 u32 new_value
= strtoul(args
[1], NULL
, 0);
1163 reg_arch_type_t
*arch_type
= register_get_arch_type(reg
->arch_type
);
1164 if (arch_type
== NULL
)
1166 ERROR("BUG: encountered unregistered arch type");
1170 arch_type
->set(reg
, new_value
);
1171 value
= buf_to_char(reg
->value
, reg
->size
);
1172 command_print(cmd_ctx
, "%s (/%i): 0x%s", reg
->name
, reg
->size
, value
);
1178 command_print(cmd_ctx
, "usage: reg <#|name> [value]");
1183 int handle_poll_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
1185 target_t
*target
= get_current_target(cmd_ctx
);
1190 command_print(cmd_ctx
, "target state: %s", target_state_strings
[target
->type
->poll(target
)]);
1191 if (target
->state
== TARGET_HALTED
)
1193 target
->type
->arch_state(target
, buffer
, 512);
1195 command_print(cmd_ctx
, "%s", buffer
);
1200 if (strcmp(args
[0], "on") == 0)
1202 target_continous_poll
= 1;
1204 else if (strcmp(args
[0], "off") == 0)
1206 target_continous_poll
= 0;
1214 int handle_wait_halt_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
1216 target_t
*target
= get_current_target(cmd_ctx
);
1217 struct timeval timeout
, now
;
1219 gettimeofday(&timeout
, NULL
);
1220 timeval_add_time(&timeout
, 5, 0);
1222 command_print(cmd_ctx
, "waiting for target halted...");
1224 while(target
->type
->poll(target
))
1226 if (target
->state
== TARGET_HALTED
)
1228 command_print(cmd_ctx
, "target halted");
1231 target_call_timer_callbacks();
1233 gettimeofday(&now
, NULL
);
1234 if ((now
.tv_sec
>= timeout
.tv_sec
) && (now
.tv_usec
>= timeout
.tv_usec
))
1236 command_print(cmd_ctx
, "timed out while waiting for target halt");
1237 ERROR("timed out while waiting for target halt");
1245 int handle_halt_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
1248 target_t
*target
= get_current_target(cmd_ctx
);
1252 command_print(cmd_ctx
, "requesting target halt...");
1254 if ((retval
= target
->type
->halt(target
)) != ERROR_OK
)
1258 case ERROR_TARGET_ALREADY_HALTED
:
1259 command_print(cmd_ctx
, "target already halted");
1261 case ERROR_TARGET_TIMEOUT
:
1262 command_print(cmd_ctx
, "target timed out... shutting down");
1265 command_print(cmd_ctx
, "unknown error... shutting down");
1274 /* what to do on daemon startup */
1275 int handle_daemon_startup_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
1279 if (strcmp(args
[0], "attach") == 0)
1281 startup_mode
= DAEMON_ATTACH
;
1284 else if (strcmp(args
[0], "reset") == 0)
1286 startup_mode
= DAEMON_RESET
;
1291 WARNING("invalid daemon_startup configuration directive: %s", args
[0]);
1296 int handle_soft_reset_halt_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
1298 target_t
*target
= get_current_target(cmd_ctx
);
1301 command_print(cmd_ctx
, "requesting target halt and executing a soft reset");
1303 if ((retval
= target
->type
->soft_reset_halt(target
)) != ERROR_OK
)
1307 case ERROR_TARGET_TIMEOUT
:
1308 command_print(cmd_ctx
, "target timed out... shutting down");
1311 command_print(cmd_ctx
, "unknown error... shutting down");
1319 int handle_reset_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
1321 target_t
*target
= get_current_target(cmd_ctx
);
1322 enum target_reset_mode reset_mode
= RESET_RUN
;
1328 if (strcmp("run", args
[0]) == 0)
1329 reset_mode
= RESET_RUN
;
1330 else if (strcmp("halt", args
[0]) == 0)
1331 reset_mode
= RESET_HALT
;
1332 else if (strcmp("init", args
[0]) == 0)
1333 reset_mode
= RESET_INIT
;
1334 else if (strcmp("run_and_halt", args
[0]) == 0)
1336 reset_mode
= RESET_RUN_AND_HALT
;
1339 target
->run_and_halt_time
= strtoul(args
[1], NULL
, 0);
1342 else if (strcmp("run_and_init", args
[0]) == 0)
1344 reset_mode
= RESET_RUN_AND_INIT
;
1347 target
->run_and_halt_time
= strtoul(args
[1], NULL
, 0);
1352 command_print(cmd_ctx
, "usage: reset ['run', 'halt', 'init', 'run_and_halt', 'run_and_init]");
1355 target
->reset_mode
= reset_mode
;
1358 target_process_reset(cmd_ctx
);
1363 int handle_resume_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
1366 target_t
*target
= get_current_target(cmd_ctx
);
1371 retval
= target
->type
->resume(target
, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1373 retval
= target
->type
->resume(target
, 0, strtoul(args
[0], NULL
, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1376 command_print(cmd_ctx
, "usage: resume [address]");
1380 if (retval
!= ERROR_OK
)
1384 case ERROR_TARGET_NOT_HALTED
:
1385 command_print(cmd_ctx
, "target not halted");
1388 command_print(cmd_ctx
, "unknown error... shutting down");
1396 int handle_step_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
1398 target_t
*target
= get_current_target(cmd_ctx
);
1403 target
->type
->step(target
, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1406 target
->type
->step(target
, 0, strtoul(args
[0], NULL
, 0), 1); /* addr = args[0], handle breakpoints */
1411 int handle_md_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
1424 target_t
*target
= get_current_target(cmd_ctx
);
1430 count
= strtoul(args
[1], NULL
, 0);
1432 address
= strtoul(args
[0], NULL
, 0);
1450 buffer
= calloc(count
, size
);
1451 if ((retval
= target
->type
->read_memory(target
, address
, size
, count
, buffer
)) != ERROR_OK
)
1455 case ERROR_TARGET_UNALIGNED_ACCESS
:
1456 command_print(cmd_ctx
, "error: address not aligned");
1458 case ERROR_TARGET_NOT_HALTED
:
1459 command_print(cmd_ctx
, "error: target must be halted for memory accesses");
1461 case ERROR_TARGET_DATA_ABORT
:
1462 command_print(cmd_ctx
, "error: access caused data abort, system possibly corrupted");
1465 command_print(cmd_ctx
, "error: unknown error");
1473 for (i
= 0; i
< count
; i
++)
1476 output_len
+= snprintf(output
+ output_len
, 128 - output_len
, "0x%8.8x: ", address
+ (i
*size
));
1481 output_len
+= snprintf(output
+ output_len
, 128 - output_len
, "%8.8x ", target_buffer_get_u32(target
, &buffer
[i
*4]));
1484 output_len
+= snprintf(output
+ output_len
, 128 - output_len
, "%4.4x ", target_buffer_get_u16(target
, &buffer
[i
*2]));
1487 output_len
+= snprintf(output
+ output_len
, 128 - output_len
, "%2.2x ", buffer
[i
*1]);
1491 if ((i
%8 == 7) || (i
== count
- 1))
1493 command_print(cmd_ctx
, output
);
1503 int handle_mw_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
1508 target_t
*target
= get_current_target(cmd_ctx
);
1514 address
= strtoul(args
[0], NULL
, 0);
1515 value
= strtoul(args
[1], NULL
, 0);
1520 target_buffer_set_u32(target
, value_buf
, value
);
1521 retval
= target
->type
->write_memory(target
, address
, 4, 1, value_buf
);
1524 target_buffer_set_u16(target
, value_buf
, value
);
1525 retval
= target
->type
->write_memory(target
, address
, 2, 1, value_buf
);
1528 value_buf
[0] = value
;
1529 retval
= target
->type
->write_memory(target
, address
, 1, 1, value_buf
);
1537 case ERROR_TARGET_UNALIGNED_ACCESS
:
1538 command_print(cmd_ctx
, "error: address not aligned");
1540 case ERROR_TARGET_DATA_ABORT
:
1541 command_print(cmd_ctx
, "error: access caused data abort, system possibly corrupted");
1543 case ERROR_TARGET_NOT_HALTED
:
1544 command_print(cmd_ctx
, "error: target must be halted for memory accesses");
1549 command_print(cmd_ctx
, "error: unknown error");
1557 int handle_load_binary_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
1561 struct stat binary_stat
;
1567 struct timeval start
, end
, duration
;
1569 target_t
*target
= get_current_target(cmd_ctx
);
1573 command_print(cmd_ctx
, "usage: load_binary <filename> <address>");
1577 address
= strtoul(args
[1], NULL
, 0);
1579 if (stat(args
[0], &binary_stat
) == -1)
1581 ERROR("couldn't stat() %s: %s", args
[0], strerror(errno
));
1582 command_print(cmd_ctx
, "error accessing file %s", args
[0]);
1586 if (!(binary
= fopen(args
[0], "rb")))
1588 ERROR("couldn't open %s: %s", args
[0], strerror(errno
));
1589 command_print(cmd_ctx
, "error accessing file %s", args
[0]);
1593 buffer
= malloc(128 * 1024);
1595 gettimeofday(&start
, NULL
);
1597 binary_size
= binary_stat
.st_size
;
1598 while (binary_size
> 0)
1600 buf_cnt
= fread(buffer
, 1, 128*1024, binary
);
1601 target_write_buffer(target
, address
, buf_cnt
, buffer
);
1603 binary_size
-= buf_cnt
;
1606 gettimeofday(&end
, NULL
);
1610 timeval_subtract(&duration
, &end
, &start
);
1611 command_print(cmd_ctx
, "downloaded %lli byte in %is %ius", (long long) binary_stat
.st_size
, duration
.tv_sec
, duration
.tv_usec
);
1619 int handle_dump_binary_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
1626 struct timeval start
, end
, duration
;
1628 target_t
*target
= get_current_target(cmd_ctx
);
1632 command_print(cmd_ctx
, "usage: dump_binary <filename> <address> <size>");
1636 address
= strtoul(args
[1], NULL
, 0);
1637 size
= strtoul(args
[2], NULL
, 0);
1639 if (!(binary
= fopen(args
[0], "wb")))
1641 ERROR("couldn't open %s for writing: %s", args
[0], strerror(errno
));
1642 command_print(cmd_ctx
, "error accessing file %s", args
[0]);
1646 if ((address
& 3) || (size
& 3))
1648 command_print(cmd_ctx
, "only 32-bit aligned address and size are supported");
1652 gettimeofday(&start
, NULL
);
1656 u32 this_run_size
= (size
> 560) ? 560 : size
;
1657 target
->type
->read_memory(target
, address
, 4, this_run_size
/ 4, buffer
);
1658 fwrite(buffer
, 1, this_run_size
, binary
);
1659 size
-= this_run_size
;
1660 address
+= this_run_size
;
1665 gettimeofday(&end
, NULL
);
1667 timeval_subtract(&duration
, &end
, &start
);
1668 command_print(cmd_ctx
, "dumped %i byte in %is %ius", strtoul(args
[2], NULL
, 0), duration
.tv_sec
, duration
.tv_usec
);
1674 int handle_bp_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
1677 target_t
*target
= get_current_target(cmd_ctx
);
1681 breakpoint_t
*breakpoint
= target
->breakpoints
;
1685 if (breakpoint
->type
== BKPT_SOFT
)
1687 char* buf
= buf_to_char(breakpoint
->orig_instr
, breakpoint
->length
);
1688 command_print(cmd_ctx
, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint
->address
, breakpoint
->length
, breakpoint
->set
, buf
);
1693 command_print(cmd_ctx
, "0x%8.8x, 0x%x, %i", breakpoint
->address
, breakpoint
->length
, breakpoint
->set
);
1695 breakpoint
= breakpoint
->next
;
1703 length
= strtoul(args
[1], NULL
, 0);
1706 if (strcmp(args
[2], "hw") == 0)
1709 if ((retval
= breakpoint_add(target
, strtoul(args
[0], NULL
, 0), length
, hw
)) != ERROR_OK
)
1713 case ERROR_TARGET_NOT_HALTED
:
1714 command_print(cmd_ctx
, "target must be halted to set breakpoints");
1716 case ERROR_TARGET_RESOURCE_NOT_AVAILABLE
:
1717 command_print(cmd_ctx
, "no more breakpoints available");
1720 command_print(cmd_ctx
, "unknown error, breakpoint not set");
1726 command_print(cmd_ctx
, "breakpoint added at address 0x%8.8x", strtoul(args
[0], NULL
, 0));
1731 command_print(cmd_ctx
, "usage: bp <address> <length> ['hw']");
1737 int handle_rbp_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
1739 target_t
*target
= get_current_target(cmd_ctx
);
1742 breakpoint_remove(target
, strtoul(args
[0], NULL
, 0));
1747 int handle_wp_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
1749 target_t
*target
= get_current_target(cmd_ctx
);
1753 watchpoint_t
*watchpoint
= target
->watchpoints
;
1757 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
);
1758 watchpoint
= watchpoint
->next
;
1763 enum watchpoint_rw type
= WPT_ACCESS
;
1764 u32 data_value
= 0x0;
1765 u32 data_mask
= 0xffffffff;
1781 command_print(cmd_ctx
, "usage: wp <address> <length> [r/w/a] [value] [mask]");
1787 data_value
= strtoul(args
[3], NULL
, 0);
1791 data_mask
= strtoul(args
[4], NULL
, 0);
1793 watchpoint_add(target
, strtoul(args
[0], NULL
, 0), strtoul(args
[1], NULL
, 0), type
, data_value
, data_mask
);
1797 command_print(cmd_ctx
, "usage: wp <address> <length> [r/w/a] [value] [mask]");
1803 int handle_rwp_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
1805 target_t
*target
= get_current_target(cmd_ctx
);
1808 watchpoint_remove(target
, strtoul(args
[0], NULL
, 0));
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