1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
5 * Copyright (C) 2007-2010 Øyvind Harboe *
6 * oyvind.harboe@zylin.com *
8 * Copyright (C) 2008, Duane Ellis *
9 * openocd@duaneeellis.com *
11 * Copyright (C) 2008 by Spencer Oliver *
12 * spen@spen-soft.co.uk *
14 * Copyright (C) 2008 by Rick Altherr *
15 * kc8apf@kc8apf.net> *
17 * This program is free software; you can redistribute it and/or modify *
18 * it under the terms of the GNU General Public License as published by *
19 * the Free Software Foundation; either version 2 of the License, or *
20 * (at your option) any later version. *
22 * This program is distributed in the hope that it will be useful, *
23 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
25 * GNU General Public License for more details. *
27 * You should have received a copy of the GNU General Public License *
28 * along with this program; if not, write to the *
29 * Free Software Foundation, Inc., *
30 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
31 ***************************************************************************/
36 #include <helper/time_support.h>
37 #include <jtag/jtag.h>
38 #include <flash/nor/core.h>
41 #include "target_type.h"
42 #include "target_request.h"
43 #include "breakpoints.h"
49 static int target_array2mem(Jim_Interp
*interp
, struct target
*target
,
50 int argc
, Jim_Obj
*const *argv
);
51 static int target_mem2array(Jim_Interp
*interp
, struct target
*target
,
52 int argc
, Jim_Obj
*const *argv
);
53 static int target_register_user_commands(struct command_context
*cmd_ctx
);
56 extern struct target_type arm7tdmi_target
;
57 extern struct target_type arm720t_target
;
58 extern struct target_type arm9tdmi_target
;
59 extern struct target_type arm920t_target
;
60 extern struct target_type arm966e_target
;
61 extern struct target_type arm926ejs_target
;
62 extern struct target_type fa526_target
;
63 extern struct target_type feroceon_target
;
64 extern struct target_type dragonite_target
;
65 extern struct target_type xscale_target
;
66 extern struct target_type cortexm3_target
;
67 extern struct target_type cortexa8_target
;
68 extern struct target_type arm11_target
;
69 extern struct target_type mips_m4k_target
;
70 extern struct target_type avr_target
;
71 extern struct target_type dsp563xx_target
;
72 extern struct target_type testee_target
;
73 extern struct target_type avr32_ap7k_target
;
75 static struct target_type
*target_types
[] =
98 struct target
*all_targets
= NULL
;
99 static struct target_event_callback
*target_event_callbacks
= NULL
;
100 static struct target_timer_callback
*target_timer_callbacks
= NULL
;
101 static const int polling_interval
= 100;
103 static const Jim_Nvp nvp_assert
[] = {
104 { .name
= "assert", NVP_ASSERT
},
105 { .name
= "deassert", NVP_DEASSERT
},
106 { .name
= "T", NVP_ASSERT
},
107 { .name
= "F", NVP_DEASSERT
},
108 { .name
= "t", NVP_ASSERT
},
109 { .name
= "f", NVP_DEASSERT
},
110 { .name
= NULL
, .value
= -1 }
113 static const Jim_Nvp nvp_error_target
[] = {
114 { .value
= ERROR_TARGET_INVALID
, .name
= "err-invalid" },
115 { .value
= ERROR_TARGET_INIT_FAILED
, .name
= "err-init-failed" },
116 { .value
= ERROR_TARGET_TIMEOUT
, .name
= "err-timeout" },
117 { .value
= ERROR_TARGET_NOT_HALTED
, .name
= "err-not-halted" },
118 { .value
= ERROR_TARGET_FAILURE
, .name
= "err-failure" },
119 { .value
= ERROR_TARGET_UNALIGNED_ACCESS
, .name
= "err-unaligned-access" },
120 { .value
= ERROR_TARGET_DATA_ABORT
, .name
= "err-data-abort" },
121 { .value
= ERROR_TARGET_RESOURCE_NOT_AVAILABLE
, .name
= "err-resource-not-available" },
122 { .value
= ERROR_TARGET_TRANSLATION_FAULT
, .name
= "err-translation-fault" },
123 { .value
= ERROR_TARGET_NOT_RUNNING
, .name
= "err-not-running" },
124 { .value
= ERROR_TARGET_NOT_EXAMINED
, .name
= "err-not-examined" },
125 { .value
= -1, .name
= NULL
}
128 static const char *target_strerror_safe(int err
)
132 n
= Jim_Nvp_value2name_simple(nvp_error_target
, err
);
133 if (n
->name
== NULL
) {
140 static const Jim_Nvp nvp_target_event
[] = {
141 { .value
= TARGET_EVENT_OLD_gdb_program_config
, .name
= "old-gdb_program_config" },
142 { .value
= TARGET_EVENT_OLD_pre_resume
, .name
= "old-pre_resume" },
144 { .value
= TARGET_EVENT_GDB_HALT
, .name
= "gdb-halt" },
145 { .value
= TARGET_EVENT_HALTED
, .name
= "halted" },
146 { .value
= TARGET_EVENT_RESUMED
, .name
= "resumed" },
147 { .value
= TARGET_EVENT_RESUME_START
, .name
= "resume-start" },
148 { .value
= TARGET_EVENT_RESUME_END
, .name
= "resume-end" },
150 { .name
= "gdb-start", .value
= TARGET_EVENT_GDB_START
},
151 { .name
= "gdb-end", .value
= TARGET_EVENT_GDB_END
},
153 /* historical name */
155 { .value
= TARGET_EVENT_RESET_START
, .name
= "reset-start" },
157 { .value
= TARGET_EVENT_RESET_ASSERT_PRE
, .name
= "reset-assert-pre" },
158 { .value
= TARGET_EVENT_RESET_ASSERT
, .name
= "reset-assert" },
159 { .value
= TARGET_EVENT_RESET_ASSERT_POST
, .name
= "reset-assert-post" },
160 { .value
= TARGET_EVENT_RESET_DEASSERT_PRE
, .name
= "reset-deassert-pre" },
161 { .value
= TARGET_EVENT_RESET_DEASSERT_POST
, .name
= "reset-deassert-post" },
162 { .value
= TARGET_EVENT_RESET_HALT_PRE
, .name
= "reset-halt-pre" },
163 { .value
= TARGET_EVENT_RESET_HALT_POST
, .name
= "reset-halt-post" },
164 { .value
= TARGET_EVENT_RESET_WAIT_PRE
, .name
= "reset-wait-pre" },
165 { .value
= TARGET_EVENT_RESET_WAIT_POST
, .name
= "reset-wait-post" },
166 { .value
= TARGET_EVENT_RESET_INIT
, .name
= "reset-init" },
167 { .value
= TARGET_EVENT_RESET_END
, .name
= "reset-end" },
169 { .value
= TARGET_EVENT_EXAMINE_START
, .name
= "examine-start" },
170 { .value
= TARGET_EVENT_EXAMINE_END
, .name
= "examine-end" },
172 { .value
= TARGET_EVENT_DEBUG_HALTED
, .name
= "debug-halted" },
173 { .value
= TARGET_EVENT_DEBUG_RESUMED
, .name
= "debug-resumed" },
175 { .value
= TARGET_EVENT_GDB_ATTACH
, .name
= "gdb-attach" },
176 { .value
= TARGET_EVENT_GDB_DETACH
, .name
= "gdb-detach" },
178 { .value
= TARGET_EVENT_GDB_FLASH_WRITE_START
, .name
= "gdb-flash-write-start" },
179 { .value
= TARGET_EVENT_GDB_FLASH_WRITE_END
, .name
= "gdb-flash-write-end" },
181 { .value
= TARGET_EVENT_GDB_FLASH_ERASE_START
, .name
= "gdb-flash-erase-start" },
182 { .value
= TARGET_EVENT_GDB_FLASH_ERASE_END
, .name
= "gdb-flash-erase-end" },
184 { .value
= TARGET_EVENT_RESUME_START
, .name
= "resume-start" },
185 { .value
= TARGET_EVENT_RESUMED
, .name
= "resume-ok" },
186 { .value
= TARGET_EVENT_RESUME_END
, .name
= "resume-end" },
188 { .name
= NULL
, .value
= -1 }
191 static const Jim_Nvp nvp_target_state
[] = {
192 { .name
= "unknown", .value
= TARGET_UNKNOWN
},
193 { .name
= "running", .value
= TARGET_RUNNING
},
194 { .name
= "halted", .value
= TARGET_HALTED
},
195 { .name
= "reset", .value
= TARGET_RESET
},
196 { .name
= "debug-running", .value
= TARGET_DEBUG_RUNNING
},
197 { .name
= NULL
, .value
= -1 },
200 static const Jim_Nvp nvp_target_debug_reason
[] = {
201 { .name
= "debug-request" , .value
= DBG_REASON_DBGRQ
},
202 { .name
= "breakpoint" , .value
= DBG_REASON_BREAKPOINT
},
203 { .name
= "watchpoint" , .value
= DBG_REASON_WATCHPOINT
},
204 { .name
= "watchpoint-and-breakpoint", .value
= DBG_REASON_WPTANDBKPT
},
205 { .name
= "single-step" , .value
= DBG_REASON_SINGLESTEP
},
206 { .name
= "target-not-halted" , .value
= DBG_REASON_NOTHALTED
},
207 { .name
= "undefined" , .value
= DBG_REASON_UNDEFINED
},
208 { .name
= NULL
, .value
= -1 },
211 static const Jim_Nvp nvp_target_endian
[] = {
212 { .name
= "big", .value
= TARGET_BIG_ENDIAN
},
213 { .name
= "little", .value
= TARGET_LITTLE_ENDIAN
},
214 { .name
= "be", .value
= TARGET_BIG_ENDIAN
},
215 { .name
= "le", .value
= TARGET_LITTLE_ENDIAN
},
216 { .name
= NULL
, .value
= -1 },
219 static const Jim_Nvp nvp_reset_modes
[] = {
220 { .name
= "unknown", .value
= RESET_UNKNOWN
},
221 { .name
= "run" , .value
= RESET_RUN
},
222 { .name
= "halt" , .value
= RESET_HALT
},
223 { .name
= "init" , .value
= RESET_INIT
},
224 { .name
= NULL
, .value
= -1 },
227 const char *debug_reason_name(struct target
*t
)
231 cp
= Jim_Nvp_value2name_simple(nvp_target_debug_reason
,
232 t
->debug_reason
)->name
;
234 LOG_ERROR("Invalid debug reason: %d", (int)(t
->debug_reason
));
235 cp
= "(*BUG*unknown*BUG*)";
241 target_state_name( struct target
*t
)
244 cp
= Jim_Nvp_value2name_simple(nvp_target_state
, t
->state
)->name
;
246 LOG_ERROR("Invalid target state: %d", (int)(t
->state
));
247 cp
= "(*BUG*unknown*BUG*)";
252 /* determine the number of the new target */
253 static int new_target_number(void)
258 /* number is 0 based */
262 if (x
< t
->target_number
) {
263 x
= t
->target_number
;
270 /* read a uint32_t from a buffer in target memory endianness */
271 uint32_t target_buffer_get_u32(struct target
*target
, const uint8_t *buffer
)
273 if (target
->endianness
== TARGET_LITTLE_ENDIAN
)
274 return le_to_h_u32(buffer
);
276 return be_to_h_u32(buffer
);
279 /* read a uint16_t from a buffer in target memory endianness */
280 uint16_t target_buffer_get_u16(struct target
*target
, const uint8_t *buffer
)
282 if (target
->endianness
== TARGET_LITTLE_ENDIAN
)
283 return le_to_h_u16(buffer
);
285 return be_to_h_u16(buffer
);
288 /* read a uint8_t from a buffer in target memory endianness */
289 static uint8_t target_buffer_get_u8(struct target
*target
, const uint8_t *buffer
)
291 return *buffer
& 0x0ff;
294 /* write a uint32_t to a buffer in target memory endianness */
295 void target_buffer_set_u32(struct target
*target
, uint8_t *buffer
, uint32_t value
)
297 if (target
->endianness
== TARGET_LITTLE_ENDIAN
)
298 h_u32_to_le(buffer
, value
);
300 h_u32_to_be(buffer
, value
);
303 /* write a uint16_t to a buffer in target memory endianness */
304 void target_buffer_set_u16(struct target
*target
, uint8_t *buffer
, uint16_t value
)
306 if (target
->endianness
== TARGET_LITTLE_ENDIAN
)
307 h_u16_to_le(buffer
, value
);
309 h_u16_to_be(buffer
, value
);
312 /* write a uint8_t to a buffer in target memory endianness */
313 static void target_buffer_set_u8(struct target
*target
, uint8_t *buffer
, uint8_t value
)
318 /* return a pointer to a configured target; id is name or number */
319 struct target
*get_target(const char *id
)
321 struct target
*target
;
323 /* try as tcltarget name */
324 for (target
= all_targets
; target
; target
= target
->next
) {
325 if (target
->cmd_name
== NULL
)
327 if (strcmp(id
, target
->cmd_name
) == 0)
331 /* It's OK to remove this fallback sometime after August 2010 or so */
333 /* no match, try as number */
335 if (parse_uint(id
, &num
) != ERROR_OK
)
338 for (target
= all_targets
; target
; target
= target
->next
) {
339 if (target
->target_number
== (int)num
) {
340 LOG_WARNING("use '%s' as target identifier, not '%u'",
341 target
->cmd_name
, num
);
349 /* returns a pointer to the n-th configured target */
350 static struct target
*get_target_by_num(int num
)
352 struct target
*target
= all_targets
;
355 if (target
->target_number
== num
) {
358 target
= target
->next
;
364 struct target
* get_current_target(struct command_context
*cmd_ctx
)
366 struct target
*target
= get_target_by_num(cmd_ctx
->current_target
);
370 LOG_ERROR("BUG: current_target out of bounds");
377 int target_poll(struct target
*target
)
381 /* We can't poll until after examine */
382 if (!target_was_examined(target
))
384 /* Fail silently lest we pollute the log */
388 retval
= target
->type
->poll(target
);
389 if (retval
!= ERROR_OK
)
392 if (target
->halt_issued
)
394 if (target
->state
== TARGET_HALTED
)
396 target
->halt_issued
= false;
399 long long t
= timeval_ms() - target
->halt_issued_time
;
402 target
->halt_issued
= false;
403 LOG_INFO("Halt timed out, wake up GDB.");
404 target_call_event_callbacks(target
, TARGET_EVENT_GDB_HALT
);
412 int target_halt(struct target
*target
)
415 /* We can't poll until after examine */
416 if (!target_was_examined(target
))
418 LOG_ERROR("Target not examined yet");
422 retval
= target
->type
->halt(target
);
423 if (retval
!= ERROR_OK
)
426 target
->halt_issued
= true;
427 target
->halt_issued_time
= timeval_ms();
433 * Make the target (re)start executing using its saved execution
434 * context (possibly with some modifications).
436 * @param target Which target should start executing.
437 * @param current True to use the target's saved program counter instead
438 * of the address parameter
439 * @param address Optionally used as the program counter.
440 * @param handle_breakpoints True iff breakpoints at the resumption PC
441 * should be skipped. (For example, maybe execution was stopped by
442 * such a breakpoint, in which case it would be counterprodutive to
444 * @param debug_execution False if all working areas allocated by OpenOCD
445 * should be released and/or restored to their original contents.
446 * (This would for example be true to run some downloaded "helper"
447 * algorithm code, which resides in one such working buffer and uses
448 * another for data storage.)
450 * @todo Resolve the ambiguity about what the "debug_execution" flag
451 * signifies. For example, Target implementations don't agree on how
452 * it relates to invalidation of the register cache, or to whether
453 * breakpoints and watchpoints should be enabled. (It would seem wrong
454 * to enable breakpoints when running downloaded "helper" algorithms
455 * (debug_execution true), since the breakpoints would be set to match
456 * target firmware being debugged, not the helper algorithm.... and
457 * enabling them could cause such helpers to malfunction (for example,
458 * by overwriting data with a breakpoint instruction. On the other
459 * hand the infrastructure for running such helpers might use this
460 * procedure but rely on hardware breakpoint to detect termination.)
462 int target_resume(struct target
*target
, int current
, uint32_t address
, int handle_breakpoints
, int debug_execution
)
466 /* We can't poll until after examine */
467 if (!target_was_examined(target
))
469 LOG_ERROR("Target not examined yet");
473 /* note that resume *must* be asynchronous. The CPU can halt before
474 * we poll. The CPU can even halt at the current PC as a result of
475 * a software breakpoint being inserted by (a bug?) the application.
477 if ((retval
= target
->type
->resume(target
, current
, address
, handle_breakpoints
, debug_execution
)) != ERROR_OK
)
483 static int target_process_reset(struct command_context
*cmd_ctx
, enum target_reset_mode reset_mode
)
488 n
= Jim_Nvp_value2name_simple(nvp_reset_modes
, reset_mode
);
489 if (n
->name
== NULL
) {
490 LOG_ERROR("invalid reset mode");
494 /* disable polling during reset to make reset event scripts
495 * more predictable, i.e. dr/irscan & pathmove in events will
496 * not have JTAG operations injected into the middle of a sequence.
498 bool save_poll
= jtag_poll_get_enabled();
500 jtag_poll_set_enabled(false);
502 sprintf(buf
, "ocd_process_reset %s", n
->name
);
503 retval
= Jim_Eval(cmd_ctx
->interp
, buf
);
505 jtag_poll_set_enabled(save_poll
);
507 if (retval
!= JIM_OK
) {
508 Jim_PrintErrorMessage(cmd_ctx
->interp
);
512 /* We want any events to be processed before the prompt */
513 retval
= target_call_timer_callbacks_now();
515 struct target
*target
;
516 for (target
= all_targets
; target
; target
= target
->next
) {
517 target
->type
->check_reset(target
);
523 static int identity_virt2phys(struct target
*target
,
524 uint32_t virtual, uint32_t *physical
)
530 static int no_mmu(struct target
*target
, int *enabled
)
536 static int default_examine(struct target
*target
)
538 target_set_examined(target
);
542 /* no check by default */
543 static int default_check_reset(struct target
*target
)
548 int target_examine_one(struct target
*target
)
550 return target
->type
->examine(target
);
553 static int jtag_enable_callback(enum jtag_event event
, void *priv
)
555 struct target
*target
= priv
;
557 if (event
!= JTAG_TAP_EVENT_ENABLE
|| !target
->tap
->enabled
)
560 jtag_unregister_event_callback(jtag_enable_callback
, target
);
561 return target_examine_one(target
);
565 /* Targets that correctly implement init + examine, i.e.
566 * no communication with target during init:
570 int target_examine(void)
572 int retval
= ERROR_OK
;
573 struct target
*target
;
575 for (target
= all_targets
; target
; target
= target
->next
)
577 /* defer examination, but don't skip it */
578 if (!target
->tap
->enabled
) {
579 jtag_register_event_callback(jtag_enable_callback
,
583 if ((retval
= target_examine_one(target
)) != ERROR_OK
)
588 const char *target_type_name(struct target
*target
)
590 return target
->type
->name
;
593 static int target_write_memory_imp(struct target
*target
, uint32_t address
, uint32_t size
, uint32_t count
, uint8_t *buffer
)
595 if (!target_was_examined(target
))
597 LOG_ERROR("Target not examined yet");
600 return target
->type
->write_memory_imp(target
, address
, size
, count
, buffer
);
603 static int target_read_memory_imp(struct target
*target
, uint32_t address
, uint32_t size
, uint32_t count
, uint8_t *buffer
)
605 if (!target_was_examined(target
))
607 LOG_ERROR("Target not examined yet");
610 return target
->type
->read_memory_imp(target
, address
, size
, count
, buffer
);
613 static int target_soft_reset_halt_imp(struct target
*target
)
615 if (!target_was_examined(target
))
617 LOG_ERROR("Target not examined yet");
620 if (!target
->type
->soft_reset_halt_imp
) {
621 LOG_ERROR("Target %s does not support soft_reset_halt",
622 target_name(target
));
625 return target
->type
->soft_reset_halt_imp(target
);
629 * Downloads a target-specific native code algorithm to the target,
630 * and executes it. * Note that some targets may need to set up, enable,
631 * and tear down a breakpoint (hard or * soft) to detect algorithm
632 * termination, while others may support lower overhead schemes where
633 * soft breakpoints embedded in the algorithm automatically terminate the
636 * @param target used to run the algorithm
637 * @param arch_info target-specific description of the algorithm.
639 int target_run_algorithm(struct target
*target
,
640 int num_mem_params
, struct mem_param
*mem_params
,
641 int num_reg_params
, struct reg_param
*reg_param
,
642 uint32_t entry_point
, uint32_t exit_point
,
643 int timeout_ms
, void *arch_info
)
645 int retval
= ERROR_FAIL
;
647 if (!target_was_examined(target
))
649 LOG_ERROR("Target not examined yet");
652 if (!target
->type
->run_algorithm
) {
653 LOG_ERROR("Target type '%s' does not support %s",
654 target_type_name(target
), __func__
);
658 target
->running_alg
= true;
659 retval
= target
->type
->run_algorithm(target
,
660 num_mem_params
, mem_params
,
661 num_reg_params
, reg_param
,
662 entry_point
, exit_point
, timeout_ms
, arch_info
);
663 target
->running_alg
= false;
670 int target_read_memory(struct target
*target
,
671 uint32_t address
, uint32_t size
, uint32_t count
, uint8_t *buffer
)
673 return target
->type
->read_memory(target
, address
, size
, count
, buffer
);
676 static int target_read_phys_memory(struct target
*target
,
677 uint32_t address
, uint32_t size
, uint32_t count
, uint8_t *buffer
)
679 return target
->type
->read_phys_memory(target
, address
, size
, count
, buffer
);
682 int target_write_memory(struct target
*target
,
683 uint32_t address
, uint32_t size
, uint32_t count
, uint8_t *buffer
)
685 return target
->type
->write_memory(target
, address
, size
, count
, buffer
);
688 static int target_write_phys_memory(struct target
*target
,
689 uint32_t address
, uint32_t size
, uint32_t count
, uint8_t *buffer
)
691 return target
->type
->write_phys_memory(target
, address
, size
, count
, buffer
);
694 int target_bulk_write_memory(struct target
*target
,
695 uint32_t address
, uint32_t count
, uint8_t *buffer
)
697 return target
->type
->bulk_write_memory(target
, address
, count
, buffer
);
700 int target_add_breakpoint(struct target
*target
,
701 struct breakpoint
*breakpoint
)
703 if (target
->state
!= TARGET_HALTED
) {
704 LOG_WARNING("target %s is not halted", target
->cmd_name
);
705 return ERROR_TARGET_NOT_HALTED
;
707 return target
->type
->add_breakpoint(target
, breakpoint
);
709 int target_remove_breakpoint(struct target
*target
,
710 struct breakpoint
*breakpoint
)
712 return target
->type
->remove_breakpoint(target
, breakpoint
);
715 int target_add_watchpoint(struct target
*target
,
716 struct watchpoint
*watchpoint
)
718 if (target
->state
!= TARGET_HALTED
) {
719 LOG_WARNING("target %s is not halted", target
->cmd_name
);
720 return ERROR_TARGET_NOT_HALTED
;
722 return target
->type
->add_watchpoint(target
, watchpoint
);
724 int target_remove_watchpoint(struct target
*target
,
725 struct watchpoint
*watchpoint
)
727 return target
->type
->remove_watchpoint(target
, watchpoint
);
730 int target_get_gdb_reg_list(struct target
*target
,
731 struct reg
**reg_list
[], int *reg_list_size
)
733 return target
->type
->get_gdb_reg_list(target
, reg_list
, reg_list_size
);
735 int target_step(struct target
*target
,
736 int current
, uint32_t address
, int handle_breakpoints
)
738 return target
->type
->step(target
, current
, address
, handle_breakpoints
);
743 * Reset the @c examined flag for the given target.
744 * Pure paranoia -- targets are zeroed on allocation.
746 static void target_reset_examined(struct target
*target
)
748 target
->examined
= false;
752 err_read_phys_memory(struct target
*target
, uint32_t address
,
753 uint32_t size
, uint32_t count
, uint8_t *buffer
)
755 LOG_ERROR("Not implemented: %s", __func__
);
760 err_write_phys_memory(struct target
*target
, uint32_t address
,
761 uint32_t size
, uint32_t count
, uint8_t *buffer
)
763 LOG_ERROR("Not implemented: %s", __func__
);
767 static int handle_target(void *priv
);
769 static int target_init_one(struct command_context
*cmd_ctx
,
770 struct target
*target
)
772 target_reset_examined(target
);
774 struct target_type
*type
= target
->type
;
775 if (type
->examine
== NULL
)
776 type
->examine
= default_examine
;
778 if (type
->check_reset
== NULL
)
779 type
->check_reset
= default_check_reset
;
781 int retval
= type
->init_target(cmd_ctx
, target
);
782 if (ERROR_OK
!= retval
)
784 LOG_ERROR("target '%s' init failed", target_name(target
));
789 * @todo get rid of those *memory_imp() methods, now that all
790 * callers are using target_*_memory() accessors ... and make
791 * sure the "physical" paths handle the same issues.
793 /* a non-invasive way(in terms of patches) to add some code that
794 * runs before the type->write/read_memory implementation
796 type
->write_memory_imp
= target
->type
->write_memory
;
797 type
->write_memory
= target_write_memory_imp
;
799 type
->read_memory_imp
= target
->type
->read_memory
;
800 type
->read_memory
= target_read_memory_imp
;
802 type
->soft_reset_halt_imp
= target
->type
->soft_reset_halt
;
803 type
->soft_reset_halt
= target_soft_reset_halt_imp
;
805 /* Sanity-check MMU support ... stub in what we must, to help
806 * implement it in stages, but warn if we need to do so.
810 if (type
->write_phys_memory
== NULL
)
812 LOG_ERROR("type '%s' is missing write_phys_memory",
814 type
->write_phys_memory
= err_write_phys_memory
;
816 if (type
->read_phys_memory
== NULL
)
818 LOG_ERROR("type '%s' is missing read_phys_memory",
820 type
->read_phys_memory
= err_read_phys_memory
;
822 if (type
->virt2phys
== NULL
)
824 LOG_ERROR("type '%s' is missing virt2phys", type
->name
);
825 type
->virt2phys
= identity_virt2phys
;
830 /* Make sure no-MMU targets all behave the same: make no
831 * distinction between physical and virtual addresses, and
832 * ensure that virt2phys() is always an identity mapping.
834 if (type
->write_phys_memory
|| type
->read_phys_memory
837 LOG_WARNING("type '%s' has bad MMU hooks", type
->name
);
841 type
->write_phys_memory
= type
->write_memory
;
842 type
->read_phys_memory
= type
->read_memory
;
843 type
->virt2phys
= identity_virt2phys
;
848 static int target_init(struct command_context
*cmd_ctx
)
850 struct target
*target
;
853 for (target
= all_targets
; target
; target
= target
->next
)
855 retval
= target_init_one(cmd_ctx
, target
);
856 if (ERROR_OK
!= retval
)
863 retval
= target_register_user_commands(cmd_ctx
);
864 if (ERROR_OK
!= retval
)
867 retval
= target_register_timer_callback(&handle_target
,
868 polling_interval
, 1, cmd_ctx
->interp
);
869 if (ERROR_OK
!= retval
)
875 COMMAND_HANDLER(handle_target_init_command
)
878 return ERROR_COMMAND_SYNTAX_ERROR
;
880 static bool target_initialized
= false;
881 if (target_initialized
)
883 LOG_INFO("'target init' has already been called");
886 target_initialized
= true;
888 LOG_DEBUG("Initializing targets...");
889 return target_init(CMD_CTX
);
892 int target_register_event_callback(int (*callback
)(struct target
*target
, enum target_event event
, void *priv
), void *priv
)
894 struct target_event_callback
**callbacks_p
= &target_event_callbacks
;
896 if (callback
== NULL
)
898 return ERROR_INVALID_ARGUMENTS
;
903 while ((*callbacks_p
)->next
)
904 callbacks_p
= &((*callbacks_p
)->next
);
905 callbacks_p
= &((*callbacks_p
)->next
);
908 (*callbacks_p
) = malloc(sizeof(struct target_event_callback
));
909 (*callbacks_p
)->callback
= callback
;
910 (*callbacks_p
)->priv
= priv
;
911 (*callbacks_p
)->next
= NULL
;
916 int target_register_timer_callback(int (*callback
)(void *priv
), int time_ms
, int periodic
, void *priv
)
918 struct target_timer_callback
**callbacks_p
= &target_timer_callbacks
;
921 if (callback
== NULL
)
923 return ERROR_INVALID_ARGUMENTS
;
928 while ((*callbacks_p
)->next
)
929 callbacks_p
= &((*callbacks_p
)->next
);
930 callbacks_p
= &((*callbacks_p
)->next
);
933 (*callbacks_p
) = malloc(sizeof(struct target_timer_callback
));
934 (*callbacks_p
)->callback
= callback
;
935 (*callbacks_p
)->periodic
= periodic
;
936 (*callbacks_p
)->time_ms
= time_ms
;
938 gettimeofday(&now
, NULL
);
939 (*callbacks_p
)->when
.tv_usec
= now
.tv_usec
+ (time_ms
% 1000) * 1000;
940 time_ms
-= (time_ms
% 1000);
941 (*callbacks_p
)->when
.tv_sec
= now
.tv_sec
+ (time_ms
/ 1000);
942 if ((*callbacks_p
)->when
.tv_usec
> 1000000)
944 (*callbacks_p
)->when
.tv_usec
= (*callbacks_p
)->when
.tv_usec
- 1000000;
945 (*callbacks_p
)->when
.tv_sec
+= 1;
948 (*callbacks_p
)->priv
= priv
;
949 (*callbacks_p
)->next
= NULL
;
954 int target_unregister_event_callback(int (*callback
)(struct target
*target
, enum target_event event
, void *priv
), void *priv
)
956 struct target_event_callback
**p
= &target_event_callbacks
;
957 struct target_event_callback
*c
= target_event_callbacks
;
959 if (callback
== NULL
)
961 return ERROR_INVALID_ARGUMENTS
;
966 struct target_event_callback
*next
= c
->next
;
967 if ((c
->callback
== callback
) && (c
->priv
== priv
))
981 static int target_unregister_timer_callback(int (*callback
)(void *priv
), void *priv
)
983 struct target_timer_callback
**p
= &target_timer_callbacks
;
984 struct target_timer_callback
*c
= target_timer_callbacks
;
986 if (callback
== NULL
)
988 return ERROR_INVALID_ARGUMENTS
;
993 struct target_timer_callback
*next
= c
->next
;
994 if ((c
->callback
== callback
) && (c
->priv
== priv
))
1008 int target_call_event_callbacks(struct target
*target
, enum target_event event
)
1010 struct target_event_callback
*callback
= target_event_callbacks
;
1011 struct target_event_callback
*next_callback
;
1013 if (event
== TARGET_EVENT_HALTED
)
1015 /* execute early halted first */
1016 target_call_event_callbacks(target
, TARGET_EVENT_GDB_HALT
);
1019 LOG_DEBUG("target event %i (%s)",
1021 Jim_Nvp_value2name_simple(nvp_target_event
, event
)->name
);
1023 target_handle_event(target
, event
);
1027 next_callback
= callback
->next
;
1028 callback
->callback(target
, event
, callback
->priv
);
1029 callback
= next_callback
;
1035 static int target_timer_callback_periodic_restart(
1036 struct target_timer_callback
*cb
, struct timeval
*now
)
1038 int time_ms
= cb
->time_ms
;
1039 cb
->when
.tv_usec
= now
->tv_usec
+ (time_ms
% 1000) * 1000;
1040 time_ms
-= (time_ms
% 1000);
1041 cb
->when
.tv_sec
= now
->tv_sec
+ time_ms
/ 1000;
1042 if (cb
->when
.tv_usec
> 1000000)
1044 cb
->when
.tv_usec
= cb
->when
.tv_usec
- 1000000;
1045 cb
->when
.tv_sec
+= 1;
1050 static int target_call_timer_callback(struct target_timer_callback
*cb
,
1051 struct timeval
*now
)
1053 cb
->callback(cb
->priv
);
1056 return target_timer_callback_periodic_restart(cb
, now
);
1058 return target_unregister_timer_callback(cb
->callback
, cb
->priv
);
1061 static int target_call_timer_callbacks_check_time(int checktime
)
1066 gettimeofday(&now
, NULL
);
1068 struct target_timer_callback
*callback
= target_timer_callbacks
;
1071 // cleaning up may unregister and free this callback
1072 struct target_timer_callback
*next_callback
= callback
->next
;
1074 bool call_it
= callback
->callback
&&
1075 ((!checktime
&& callback
->periodic
) ||
1076 now
.tv_sec
> callback
->when
.tv_sec
||
1077 (now
.tv_sec
== callback
->when
.tv_sec
&&
1078 now
.tv_usec
>= callback
->when
.tv_usec
));
1082 int retval
= target_call_timer_callback(callback
, &now
);
1083 if (retval
!= ERROR_OK
)
1087 callback
= next_callback
;
1093 int target_call_timer_callbacks(void)
1095 return target_call_timer_callbacks_check_time(1);
1098 /* invoke periodic callbacks immediately */
1099 int target_call_timer_callbacks_now(void)
1101 return target_call_timer_callbacks_check_time(0);
1104 int target_alloc_working_area_try(struct target
*target
, uint32_t size
, struct working_area
**area
)
1106 struct working_area
*c
= target
->working_areas
;
1107 struct working_area
*new_wa
= NULL
;
1109 /* Reevaluate working area address based on MMU state*/
1110 if (target
->working_areas
== NULL
)
1115 retval
= target
->type
->mmu(target
, &enabled
);
1116 if (retval
!= ERROR_OK
)
1122 if (target
->working_area_phys_spec
) {
1123 LOG_DEBUG("MMU disabled, using physical "
1124 "address for working memory 0x%08x",
1125 (unsigned)target
->working_area_phys
);
1126 target
->working_area
= target
->working_area_phys
;
1128 LOG_ERROR("No working memory available. "
1129 "Specify -work-area-phys to target.");
1130 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE
;
1133 if (target
->working_area_virt_spec
) {
1134 LOG_DEBUG("MMU enabled, using virtual "
1135 "address for working memory 0x%08x",
1136 (unsigned)target
->working_area_virt
);
1137 target
->working_area
= target
->working_area_virt
;
1139 LOG_ERROR("No working memory available. "
1140 "Specify -work-area-virt to target.");
1141 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE
;
1146 /* only allocate multiples of 4 byte */
1149 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes (0x%08x), padding", ((unsigned)(size
)));
1150 size
= (size
+ 3) & (~3);
1153 /* see if there's already a matching working area */
1156 if ((c
->free
) && (c
->size
== size
))
1164 /* if not, allocate a new one */
1167 struct working_area
**p
= &target
->working_areas
;
1168 uint32_t first_free
= target
->working_area
;
1169 uint32_t free_size
= target
->working_area_size
;
1171 c
= target
->working_areas
;
1174 first_free
+= c
->size
;
1175 free_size
-= c
->size
;
1180 if (free_size
< size
)
1182 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE
;
1185 LOG_DEBUG("allocated new working area at address 0x%08x", (unsigned)first_free
);
1187 new_wa
= malloc(sizeof(struct working_area
));
1188 new_wa
->next
= NULL
;
1189 new_wa
->size
= size
;
1190 new_wa
->address
= first_free
;
1192 if (target
->backup_working_area
)
1195 new_wa
->backup
= malloc(new_wa
->size
);
1196 if ((retval
= target_read_memory(target
, new_wa
->address
, 4, new_wa
->size
/ 4, new_wa
->backup
)) != ERROR_OK
)
1198 free(new_wa
->backup
);
1205 new_wa
->backup
= NULL
;
1208 /* put new entry in list */
1212 /* mark as used, and return the new (reused) area */
1217 new_wa
->user
= area
;
1222 int target_alloc_working_area(struct target
*target
, uint32_t size
, struct working_area
**area
)
1226 retval
= target_alloc_working_area_try(target
, size
, area
);
1227 if (retval
== ERROR_TARGET_RESOURCE_NOT_AVAILABLE
)
1229 LOG_WARNING("not enough working area available(requested %u)", (unsigned)(size
));
1235 static int target_free_working_area_restore(struct target
*target
, struct working_area
*area
, int restore
)
1240 if (restore
&& target
->backup_working_area
)
1243 if ((retval
= target_write_memory(target
, area
->address
, 4, area
->size
/ 4, area
->backup
)) != ERROR_OK
)
1249 /* mark user pointer invalid */
1256 int target_free_working_area(struct target
*target
, struct working_area
*area
)
1258 return target_free_working_area_restore(target
, area
, 1);
1261 /* free resources and restore memory, if restoring memory fails,
1262 * free up resources anyway
1264 static void target_free_all_working_areas_restore(struct target
*target
, int restore
)
1266 struct working_area
*c
= target
->working_areas
;
1270 struct working_area
*next
= c
->next
;
1271 target_free_working_area_restore(target
, c
, restore
);
1281 target
->working_areas
= NULL
;
1284 void target_free_all_working_areas(struct target
*target
)
1286 target_free_all_working_areas_restore(target
, 1);
1289 int target_arch_state(struct target
*target
)
1294 LOG_USER("No target has been configured");
1298 LOG_USER("target state: %s", target_state_name( target
));
1300 if (target
->state
!= TARGET_HALTED
)
1303 retval
= target
->type
->arch_state(target
);
1307 /* Single aligned words are guaranteed to use 16 or 32 bit access
1308 * mode respectively, otherwise data is handled as quickly as
1311 int target_write_buffer(struct target
*target
, uint32_t address
, uint32_t size
, uint8_t *buffer
)
1314 LOG_DEBUG("writing buffer of %i byte at 0x%8.8x",
1315 (int)size
, (unsigned)address
);
1317 if (!target_was_examined(target
))
1319 LOG_ERROR("Target not examined yet");
1327 if ((address
+ size
- 1) < address
)
1329 /* GDB can request this when e.g. PC is 0xfffffffc*/
1330 LOG_ERROR("address + size wrapped(0x%08x, 0x%08x)",
1336 if (((address
% 2) == 0) && (size
== 2))
1338 return target_write_memory(target
, address
, 2, 1, buffer
);
1341 /* handle unaligned head bytes */
1344 uint32_t unaligned
= 4 - (address
% 4);
1346 if (unaligned
> size
)
1349 if ((retval
= target_write_memory(target
, address
, 1, unaligned
, buffer
)) != ERROR_OK
)
1352 buffer
+= unaligned
;
1353 address
+= unaligned
;
1357 /* handle aligned words */
1360 int aligned
= size
- (size
% 4);
1362 /* use bulk writes above a certain limit. This may have to be changed */
1365 if ((retval
= target
->type
->bulk_write_memory(target
, address
, aligned
/ 4, buffer
)) != ERROR_OK
)
1370 if ((retval
= target_write_memory(target
, address
, 4, aligned
/ 4, buffer
)) != ERROR_OK
)
1379 /* handle tail writes of less than 4 bytes */
1382 if ((retval
= target_write_memory(target
, address
, 1, size
, buffer
)) != ERROR_OK
)
1389 /* Single aligned words are guaranteed to use 16 or 32 bit access
1390 * mode respectively, otherwise data is handled as quickly as
1393 int target_read_buffer(struct target
*target
, uint32_t address
, uint32_t size
, uint8_t *buffer
)
1396 LOG_DEBUG("reading buffer of %i byte at 0x%8.8x",
1397 (int)size
, (unsigned)address
);
1399 if (!target_was_examined(target
))
1401 LOG_ERROR("Target not examined yet");
1409 if ((address
+ size
- 1) < address
)
1411 /* GDB can request this when e.g. PC is 0xfffffffc*/
1412 LOG_ERROR("address + size wrapped(0x%08" PRIx32
", 0x%08" PRIx32
")",
1418 if (((address
% 2) == 0) && (size
== 2))
1420 return target_read_memory(target
, address
, 2, 1, buffer
);
1423 /* handle unaligned head bytes */
1426 uint32_t unaligned
= 4 - (address
% 4);
1428 if (unaligned
> size
)
1431 if ((retval
= target_read_memory(target
, address
, 1, unaligned
, buffer
)) != ERROR_OK
)
1434 buffer
+= unaligned
;
1435 address
+= unaligned
;
1439 /* handle aligned words */
1442 int aligned
= size
- (size
% 4);
1444 if ((retval
= target_read_memory(target
, address
, 4, aligned
/ 4, buffer
)) != ERROR_OK
)
1452 /*prevent byte access when possible (avoid AHB access limitations in some cases)*/
1455 int aligned
= size
- (size
%2);
1456 retval
= target_read_memory(target
, address
, 2, aligned
/ 2, buffer
);
1457 if (retval
!= ERROR_OK
)
1464 /* handle tail writes of less than 4 bytes */
1467 if ((retval
= target_read_memory(target
, address
, 1, size
, buffer
)) != ERROR_OK
)
1474 int target_checksum_memory(struct target
*target
, uint32_t address
, uint32_t size
, uint32_t* crc
)
1479 uint32_t checksum
= 0;
1480 if (!target_was_examined(target
))
1482 LOG_ERROR("Target not examined yet");
1486 if ((retval
= target
->type
->checksum_memory(target
, address
,
1487 size
, &checksum
)) != ERROR_OK
)
1489 buffer
= malloc(size
);
1492 LOG_ERROR("error allocating buffer for section (%d bytes)", (int)size
);
1493 return ERROR_INVALID_ARGUMENTS
;
1495 retval
= target_read_buffer(target
, address
, size
, buffer
);
1496 if (retval
!= ERROR_OK
)
1502 /* convert to target endianess */
1503 for (i
= 0; i
< (size
/sizeof(uint32_t)); i
++)
1505 uint32_t target_data
;
1506 target_data
= target_buffer_get_u32(target
, &buffer
[i
*sizeof(uint32_t)]);
1507 target_buffer_set_u32(target
, &buffer
[i
*sizeof(uint32_t)], target_data
);
1510 retval
= image_calculate_checksum(buffer
, size
, &checksum
);
1519 int target_blank_check_memory(struct target
*target
, uint32_t address
, uint32_t size
, uint32_t* blank
)
1522 if (!target_was_examined(target
))
1524 LOG_ERROR("Target not examined yet");
1528 if (target
->type
->blank_check_memory
== 0)
1529 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE
;
1531 retval
= target
->type
->blank_check_memory(target
, address
, size
, blank
);
1536 int target_read_u32(struct target
*target
, uint32_t address
, uint32_t *value
)
1538 uint8_t value_buf
[4];
1539 if (!target_was_examined(target
))
1541 LOG_ERROR("Target not examined yet");
1545 int retval
= target_read_memory(target
, address
, 4, 1, value_buf
);
1547 if (retval
== ERROR_OK
)
1549 *value
= target_buffer_get_u32(target
, value_buf
);
1550 LOG_DEBUG("address: 0x%8.8" PRIx32
", value: 0x%8.8" PRIx32
"",
1557 LOG_DEBUG("address: 0x%8.8" PRIx32
" failed",
1564 int target_read_u16(struct target
*target
, uint32_t address
, uint16_t *value
)
1566 uint8_t value_buf
[2];
1567 if (!target_was_examined(target
))
1569 LOG_ERROR("Target not examined yet");
1573 int retval
= target_read_memory(target
, address
, 2, 1, value_buf
);
1575 if (retval
== ERROR_OK
)
1577 *value
= target_buffer_get_u16(target
, value_buf
);
1578 LOG_DEBUG("address: 0x%8.8" PRIx32
", value: 0x%4.4x",
1585 LOG_DEBUG("address: 0x%8.8" PRIx32
" failed",
1592 int target_read_u8(struct target
*target
, uint32_t address
, uint8_t *value
)
1594 int retval
= target_read_memory(target
, address
, 1, 1, value
);
1595 if (!target_was_examined(target
))
1597 LOG_ERROR("Target not examined yet");
1601 if (retval
== ERROR_OK
)
1603 LOG_DEBUG("address: 0x%8.8" PRIx32
", value: 0x%2.2x",
1610 LOG_DEBUG("address: 0x%8.8" PRIx32
" failed",
1617 int target_write_u32(struct target
*target
, uint32_t address
, uint32_t value
)
1620 uint8_t value_buf
[4];
1621 if (!target_was_examined(target
))
1623 LOG_ERROR("Target not examined yet");
1627 LOG_DEBUG("address: 0x%8.8" PRIx32
", value: 0x%8.8" PRIx32
"",
1631 target_buffer_set_u32(target
, value_buf
, value
);
1632 if ((retval
= target_write_memory(target
, address
, 4, 1, value_buf
)) != ERROR_OK
)
1634 LOG_DEBUG("failed: %i", retval
);
1640 int target_write_u16(struct target
*target
, uint32_t address
, uint16_t value
)
1643 uint8_t value_buf
[2];
1644 if (!target_was_examined(target
))
1646 LOG_ERROR("Target not examined yet");
1650 LOG_DEBUG("address: 0x%8.8" PRIx32
", value: 0x%8.8x",
1654 target_buffer_set_u16(target
, value_buf
, value
);
1655 if ((retval
= target_write_memory(target
, address
, 2, 1, value_buf
)) != ERROR_OK
)
1657 LOG_DEBUG("failed: %i", retval
);
1663 int target_write_u8(struct target
*target
, uint32_t address
, uint8_t value
)
1666 if (!target_was_examined(target
))
1668 LOG_ERROR("Target not examined yet");
1672 LOG_DEBUG("address: 0x%8.8" PRIx32
", value: 0x%2.2x",
1675 if ((retval
= target_write_memory(target
, address
, 1, 1, &value
)) != ERROR_OK
)
1677 LOG_DEBUG("failed: %i", retval
);
1683 COMMAND_HANDLER(handle_targets_command
)
1685 struct target
*target
= all_targets
;
1689 target
= get_target(CMD_ARGV
[0]);
1690 if (target
== NULL
) {
1691 command_print(CMD_CTX
,"Target: %s is unknown, try one of:\n", CMD_ARGV
[0]);
1694 if (!target
->tap
->enabled
) {
1695 command_print(CMD_CTX
,"Target: TAP %s is disabled, "
1696 "can't be the current target\n",
1697 target
->tap
->dotted_name
);
1701 CMD_CTX
->current_target
= target
->target_number
;
1706 target
= all_targets
;
1707 command_print(CMD_CTX
, " TargetName Type Endian TapName State ");
1708 command_print(CMD_CTX
, "-- ------------------ ---------- ------ ------------------ ------------");
1714 if (target
->tap
->enabled
)
1715 state
= target_state_name( target
);
1717 state
= "tap-disabled";
1719 if (CMD_CTX
->current_target
== target
->target_number
)
1722 /* keep columns lined up to match the headers above */
1723 command_print(CMD_CTX
, "%2d%c %-18s %-10s %-6s %-18s %s",
1724 target
->target_number
,
1726 target_name(target
),
1727 target_type_name(target
),
1728 Jim_Nvp_value2name_simple(nvp_target_endian
,
1729 target
->endianness
)->name
,
1730 target
->tap
->dotted_name
,
1732 target
= target
->next
;
1738 /* every 300ms we check for reset & powerdropout and issue a "reset halt" if so. */
1740 static int powerDropout
;
1741 static int srstAsserted
;
1743 static int runPowerRestore
;
1744 static int runPowerDropout
;
1745 static int runSrstAsserted
;
1746 static int runSrstDeasserted
;
1748 static int sense_handler(void)
1750 static int prevSrstAsserted
= 0;
1751 static int prevPowerdropout
= 0;
1754 if ((retval
= jtag_power_dropout(&powerDropout
)) != ERROR_OK
)
1758 powerRestored
= prevPowerdropout
&& !powerDropout
;
1761 runPowerRestore
= 1;
1764 long long current
= timeval_ms();
1765 static long long lastPower
= 0;
1766 int waitMore
= lastPower
+ 2000 > current
;
1767 if (powerDropout
&& !waitMore
)
1769 runPowerDropout
= 1;
1770 lastPower
= current
;
1773 if ((retval
= jtag_srst_asserted(&srstAsserted
)) != ERROR_OK
)
1777 srstDeasserted
= prevSrstAsserted
&& !srstAsserted
;
1779 static long long lastSrst
= 0;
1780 waitMore
= lastSrst
+ 2000 > current
;
1781 if (srstDeasserted
&& !waitMore
)
1783 runSrstDeasserted
= 1;
1787 if (!prevSrstAsserted
&& srstAsserted
)
1789 runSrstAsserted
= 1;
1792 prevSrstAsserted
= srstAsserted
;
1793 prevPowerdropout
= powerDropout
;
1795 if (srstDeasserted
|| powerRestored
)
1797 /* Other than logging the event we can't do anything here.
1798 * Issuing a reset is a particularly bad idea as we might
1799 * be inside a reset already.
1806 static int backoff_times
= 0;
1807 static int backoff_count
= 0;
1809 /* process target state changes */
1810 static int handle_target(void *priv
)
1812 Jim_Interp
*interp
= (Jim_Interp
*)priv
;
1813 int retval
= ERROR_OK
;
1815 if (!is_jtag_poll_safe())
1817 /* polling is disabled currently */
1821 /* we do not want to recurse here... */
1822 static int recursive
= 0;
1827 /* danger! running these procedures can trigger srst assertions and power dropouts.
1828 * We need to avoid an infinite loop/recursion here and we do that by
1829 * clearing the flags after running these events.
1831 int did_something
= 0;
1832 if (runSrstAsserted
)
1834 LOG_INFO("srst asserted detected, running srst_asserted proc.");
1835 Jim_Eval(interp
, "srst_asserted");
1838 if (runSrstDeasserted
)
1840 Jim_Eval(interp
, "srst_deasserted");
1843 if (runPowerDropout
)
1845 LOG_INFO("Power dropout detected, running power_dropout proc.");
1846 Jim_Eval(interp
, "power_dropout");
1849 if (runPowerRestore
)
1851 Jim_Eval(interp
, "power_restore");
1857 /* clear detect flags */
1861 /* clear action flags */
1863 runSrstAsserted
= 0;
1864 runSrstDeasserted
= 0;
1865 runPowerRestore
= 0;
1866 runPowerDropout
= 0;
1871 if (backoff_times
> backoff_count
)
1873 /* do not poll this time as we failed previously */
1879 /* Poll targets for state changes unless that's globally disabled.
1880 * Skip targets that are currently disabled.
1882 for (struct target
*target
= all_targets
;
1883 is_jtag_poll_safe() && target
;
1884 target
= target
->next
)
1886 if (!target
->tap
->enabled
)
1889 /* only poll target if we've got power and srst isn't asserted */
1890 if (!powerDropout
&& !srstAsserted
)
1892 /* polling may fail silently until the target has been examined */
1893 if ((retval
= target_poll(target
)) != ERROR_OK
)
1895 /* 100ms polling interval. Increase interval between polling up to 5000ms */
1896 if (backoff_times
* polling_interval
< 5000)
1901 LOG_USER("Polling target failed, GDB will be halted. Polling again in %dms", backoff_times
* polling_interval
);
1903 /* Tell GDB to halt the debugger. This allows the user to
1904 * run monitor commands to handle the situation.
1906 target_call_event_callbacks(target
, TARGET_EVENT_GDB_HALT
);
1909 /* Since we succeeded, we reset backoff count */
1910 if (backoff_times
> 0)
1912 LOG_USER("Polling succeeded again");
1921 COMMAND_HANDLER(handle_reg_command
)
1923 struct target
*target
;
1924 struct reg
*reg
= NULL
;
1930 target
= get_current_target(CMD_CTX
);
1932 /* list all available registers for the current target */
1935 struct reg_cache
*cache
= target
->reg_cache
;
1942 command_print(CMD_CTX
, "===== %s", cache
->name
);
1944 for (i
= 0, reg
= cache
->reg_list
;
1945 i
< cache
->num_regs
;
1946 i
++, reg
++, count
++)
1948 /* only print cached values if they are valid */
1950 value
= buf_to_str(reg
->value
,
1952 command_print(CMD_CTX
,
1953 "(%i) %s (/%" PRIu32
"): 0x%s%s",
1961 command_print(CMD_CTX
, "(%i) %s (/%" PRIu32
")",
1966 cache
= cache
->next
;
1972 /* access a single register by its ordinal number */
1973 if ((CMD_ARGV
[0][0] >= '0') && (CMD_ARGV
[0][0] <= '9'))
1976 COMMAND_PARSE_NUMBER(uint
, CMD_ARGV
[0], num
);
1978 struct reg_cache
*cache
= target
->reg_cache
;
1983 for (i
= 0; i
< cache
->num_regs
; i
++)
1987 reg
= &cache
->reg_list
[i
];
1993 cache
= cache
->next
;
1998 command_print(CMD_CTX
, "%i is out of bounds, the current target has only %i registers (0 - %i)", num
, count
, count
- 1);
2001 } else /* access a single register by its name */
2003 reg
= register_get_by_name(target
->reg_cache
, CMD_ARGV
[0], 1);
2007 command_print(CMD_CTX
, "register %s not found in current target", CMD_ARGV
[0]);
2012 /* display a register */
2013 if ((CMD_ARGC
== 1) || ((CMD_ARGC
== 2) && !((CMD_ARGV
[1][0] >= '0') && (CMD_ARGV
[1][0] <= '9'))))
2015 if ((CMD_ARGC
== 2) && (strcmp(CMD_ARGV
[1], "force") == 0))
2018 if (reg
->valid
== 0)
2020 reg
->type
->get(reg
);
2022 value
= buf_to_str(reg
->value
, reg
->size
, 16);
2023 command_print(CMD_CTX
, "%s (/%i): 0x%s", reg
->name
, (int)(reg
->size
), value
);
2028 /* set register value */
2031 uint8_t *buf
= malloc(DIV_ROUND_UP(reg
->size
, 8));
2032 str_to_buf(CMD_ARGV
[1], strlen(CMD_ARGV
[1]), buf
, reg
->size
, 0);
2034 reg
->type
->set(reg
, buf
);
2036 value
= buf_to_str(reg
->value
, reg
->size
, 16);
2037 command_print(CMD_CTX
, "%s (/%i): 0x%s", reg
->name
, (int)(reg
->size
), value
);
2045 command_print(CMD_CTX
, "usage: reg <#|name> [value]");
2050 COMMAND_HANDLER(handle_poll_command
)
2052 int retval
= ERROR_OK
;
2053 struct target
*target
= get_current_target(CMD_CTX
);
2057 command_print(CMD_CTX
, "background polling: %s",
2058 jtag_poll_get_enabled() ? "on" : "off");
2059 command_print(CMD_CTX
, "TAP: %s (%s)",
2060 target
->tap
->dotted_name
,
2061 target
->tap
->enabled
? "enabled" : "disabled");
2062 if (!target
->tap
->enabled
)
2064 if ((retval
= target_poll(target
)) != ERROR_OK
)
2066 if ((retval
= target_arch_state(target
)) != ERROR_OK
)
2069 else if (CMD_ARGC
== 1)
2072 COMMAND_PARSE_ON_OFF(CMD_ARGV
[0], enable
);
2073 jtag_poll_set_enabled(enable
);
2077 return ERROR_COMMAND_SYNTAX_ERROR
;
2083 COMMAND_HANDLER(handle_wait_halt_command
)
2086 return ERROR_COMMAND_SYNTAX_ERROR
;
2091 int retval
= parse_uint(CMD_ARGV
[0], &ms
);
2092 if (ERROR_OK
!= retval
)
2094 command_print(CMD_CTX
, "usage: %s [seconds]", CMD_NAME
);
2095 return ERROR_COMMAND_SYNTAX_ERROR
;
2097 // convert seconds (given) to milliseconds (needed)
2101 struct target
*target
= get_current_target(CMD_CTX
);
2102 return target_wait_state(target
, TARGET_HALTED
, ms
);
2105 /* wait for target state to change. The trick here is to have a low
2106 * latency for short waits and not to suck up all the CPU time
2109 * After 500ms, keep_alive() is invoked
2111 int target_wait_state(struct target
*target
, enum target_state state
, int ms
)
2114 long long then
= 0, cur
;
2119 if ((retval
= target_poll(target
)) != ERROR_OK
)
2121 if (target
->state
== state
)
2129 then
= timeval_ms();
2130 LOG_DEBUG("waiting for target %s...",
2131 Jim_Nvp_value2name_simple(nvp_target_state
,state
)->name
);
2139 if ((cur
-then
) > ms
)
2141 LOG_ERROR("timed out while waiting for target %s",
2142 Jim_Nvp_value2name_simple(nvp_target_state
,state
)->name
);
2150 COMMAND_HANDLER(handle_halt_command
)
2154 struct target
*target
= get_current_target(CMD_CTX
);
2155 int retval
= target_halt(target
);
2156 if (ERROR_OK
!= retval
)
2161 unsigned wait_local
;
2162 retval
= parse_uint(CMD_ARGV
[0], &wait_local
);
2163 if (ERROR_OK
!= retval
)
2164 return ERROR_COMMAND_SYNTAX_ERROR
;
2169 return CALL_COMMAND_HANDLER(handle_wait_halt_command
);
2172 COMMAND_HANDLER(handle_soft_reset_halt_command
)
2174 struct target
*target
= get_current_target(CMD_CTX
);
2176 LOG_USER("requesting target halt and executing a soft reset");
2178 target
->type
->soft_reset_halt(target
);
2183 COMMAND_HANDLER(handle_reset_command
)
2186 return ERROR_COMMAND_SYNTAX_ERROR
;
2188 enum target_reset_mode reset_mode
= RESET_RUN
;
2192 n
= Jim_Nvp_name2value_simple(nvp_reset_modes
, CMD_ARGV
[0]);
2193 if ((n
->name
== NULL
) || (n
->value
== RESET_UNKNOWN
)) {
2194 return ERROR_COMMAND_SYNTAX_ERROR
;
2196 reset_mode
= n
->value
;
2199 /* reset *all* targets */
2200 return target_process_reset(CMD_CTX
, reset_mode
);
2204 COMMAND_HANDLER(handle_resume_command
)
2208 return ERROR_COMMAND_SYNTAX_ERROR
;
2210 struct target
*target
= get_current_target(CMD_CTX
);
2211 target_handle_event(target
, TARGET_EVENT_OLD_pre_resume
);
2213 /* with no CMD_ARGV, resume from current pc, addr = 0,
2214 * with one arguments, addr = CMD_ARGV[0],
2215 * handle breakpoints, not debugging */
2219 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[0], addr
);
2223 return target_resume(target
, current
, addr
, 1, 0);
2226 COMMAND_HANDLER(handle_step_command
)
2229 return ERROR_COMMAND_SYNTAX_ERROR
;
2233 /* with no CMD_ARGV, step from current pc, addr = 0,
2234 * with one argument addr = CMD_ARGV[0],
2235 * handle breakpoints, debugging */
2240 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[0], addr
);
2244 struct target
*target
= get_current_target(CMD_CTX
);
2246 return target
->type
->step(target
, current_pc
, addr
, 1);
2249 static void handle_md_output(struct command_context
*cmd_ctx
,
2250 struct target
*target
, uint32_t address
, unsigned size
,
2251 unsigned count
, const uint8_t *buffer
)
2253 const unsigned line_bytecnt
= 32;
2254 unsigned line_modulo
= line_bytecnt
/ size
;
2256 char output
[line_bytecnt
* 4 + 1];
2257 unsigned output_len
= 0;
2259 const char *value_fmt
;
2261 case 4: value_fmt
= "%8.8x "; break;
2262 case 2: value_fmt
= "%4.4x "; break;
2263 case 1: value_fmt
= "%2.2x "; break;
2265 /* "can't happen", caller checked */
2266 LOG_ERROR("invalid memory read size: %u", size
);
2270 for (unsigned i
= 0; i
< count
; i
++)
2272 if (i
% line_modulo
== 0)
2274 output_len
+= snprintf(output
+ output_len
,
2275 sizeof(output
) - output_len
,
2277 (unsigned)(address
+ (i
*size
)));
2281 const uint8_t *value_ptr
= buffer
+ i
* size
;
2283 case 4: value
= target_buffer_get_u32(target
, value_ptr
); break;
2284 case 2: value
= target_buffer_get_u16(target
, value_ptr
); break;
2285 case 1: value
= *value_ptr
;
2287 output_len
+= snprintf(output
+ output_len
,
2288 sizeof(output
) - output_len
,
2291 if ((i
% line_modulo
== line_modulo
- 1) || (i
== count
- 1))
2293 command_print(cmd_ctx
, "%s", output
);
2299 COMMAND_HANDLER(handle_md_command
)
2302 return ERROR_COMMAND_SYNTAX_ERROR
;
2305 switch (CMD_NAME
[2]) {
2306 case 'w': size
= 4; break;
2307 case 'h': size
= 2; break;
2308 case 'b': size
= 1; break;
2309 default: return ERROR_COMMAND_SYNTAX_ERROR
;
2312 bool physical
=strcmp(CMD_ARGV
[0], "phys")==0;
2313 int (*fn
)(struct target
*target
,
2314 uint32_t address
, uint32_t size
, uint32_t count
, uint8_t *buffer
);
2319 fn
=target_read_phys_memory
;
2322 fn
=target_read_memory
;
2324 if ((CMD_ARGC
< 1) || (CMD_ARGC
> 2))
2326 return ERROR_COMMAND_SYNTAX_ERROR
;
2330 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[0], address
);
2334 COMMAND_PARSE_NUMBER(uint
, CMD_ARGV
[1], count
);
2336 uint8_t *buffer
= calloc(count
, size
);
2338 struct target
*target
= get_current_target(CMD_CTX
);
2339 int retval
= fn(target
, address
, size
, count
, buffer
);
2340 if (ERROR_OK
== retval
)
2341 handle_md_output(CMD_CTX
, target
, address
, size
, count
, buffer
);
2348 typedef int (*target_write_fn
)(struct target
*target
,
2349 uint32_t address
, uint32_t size
, uint32_t count
, uint8_t *buffer
);
2351 static int target_write_memory_fast(struct target
*target
,
2352 uint32_t address
, uint32_t size
, uint32_t count
, uint8_t *buffer
)
2354 return target_write_buffer(target
, address
, size
* count
, buffer
);
2357 static int target_fill_mem(struct target
*target
,
2366 /* We have to write in reasonably large chunks to be able
2367 * to fill large memory areas with any sane speed */
2368 const unsigned chunk_size
= 16384;
2369 uint8_t *target_buf
= malloc(chunk_size
* data_size
);
2370 if (target_buf
== NULL
)
2372 LOG_ERROR("Out of memory");
2376 for (unsigned i
= 0; i
< chunk_size
; i
++)
2381 target_buffer_set_u32(target
, target_buf
+ i
*data_size
, b
);
2384 target_buffer_set_u16(target
, target_buf
+ i
*data_size
, b
);
2387 target_buffer_set_u8(target
, target_buf
+ i
*data_size
, b
);
2394 int retval
= ERROR_OK
;
2396 for (unsigned x
= 0; x
< c
; x
+= chunk_size
)
2400 if (current
> chunk_size
)
2402 current
= chunk_size
;
2404 retval
= fn(target
, address
+ x
* data_size
, data_size
, current
, target_buf
);
2405 if (retval
!= ERROR_OK
)
2409 /* avoid GDB timeouts */
2418 COMMAND_HANDLER(handle_mw_command
)
2422 return ERROR_COMMAND_SYNTAX_ERROR
;
2424 bool physical
=strcmp(CMD_ARGV
[0], "phys")==0;
2430 fn
=target_write_phys_memory
;
2433 fn
= target_write_memory_fast
;
2435 if ((CMD_ARGC
< 2) || (CMD_ARGC
> 3))
2436 return ERROR_COMMAND_SYNTAX_ERROR
;
2439 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[0], address
);
2442 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[1], value
);
2446 COMMAND_PARSE_NUMBER(uint
, CMD_ARGV
[2], count
);
2448 struct target
*target
= get_current_target(CMD_CTX
);
2450 switch (CMD_NAME
[2])
2462 return ERROR_COMMAND_SYNTAX_ERROR
;
2465 return target_fill_mem(target
, address
, fn
, wordsize
, value
, count
);
2468 static COMMAND_HELPER(parse_load_image_command_CMD_ARGV
, struct image
*image
,
2469 uint32_t *min_address
, uint32_t *max_address
)
2471 if (CMD_ARGC
< 1 || CMD_ARGC
> 5)
2472 return ERROR_COMMAND_SYNTAX_ERROR
;
2474 /* a base address isn't always necessary,
2475 * default to 0x0 (i.e. don't relocate) */
2479 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[1], addr
);
2480 image
->base_address
= addr
;
2481 image
->base_address_set
= 1;
2484 image
->base_address_set
= 0;
2486 image
->start_address_set
= 0;
2490 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[3], *min_address
);
2494 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[4], *max_address
);
2495 // use size (given) to find max (required)
2496 *max_address
+= *min_address
;
2499 if (*min_address
> *max_address
)
2500 return ERROR_COMMAND_SYNTAX_ERROR
;
2505 COMMAND_HANDLER(handle_load_image_command
)
2509 uint32_t image_size
;
2510 uint32_t min_address
= 0;
2511 uint32_t max_address
= 0xffffffff;
2515 int retval
= CALL_COMMAND_HANDLER(parse_load_image_command_CMD_ARGV
,
2516 &image
, &min_address
, &max_address
);
2517 if (ERROR_OK
!= retval
)
2520 struct target
*target
= get_current_target(CMD_CTX
);
2522 struct duration bench
;
2523 duration_start(&bench
);
2525 if (image_open(&image
, CMD_ARGV
[0], (CMD_ARGC
>= 3) ? CMD_ARGV
[2] : NULL
) != ERROR_OK
)
2532 for (i
= 0; i
< image
.num_sections
; i
++)
2534 buffer
= malloc(image
.sections
[i
].size
);
2537 command_print(CMD_CTX
,
2538 "error allocating buffer for section (%d bytes)",
2539 (int)(image
.sections
[i
].size
));
2543 if ((retval
= image_read_section(&image
, i
, 0x0, image
.sections
[i
].size
, buffer
, &buf_cnt
)) != ERROR_OK
)
2549 uint32_t offset
= 0;
2550 uint32_t length
= buf_cnt
;
2552 /* DANGER!!! beware of unsigned comparision here!!! */
2554 if ((image
.sections
[i
].base_address
+ buf_cnt
>= min_address
)&&
2555 (image
.sections
[i
].base_address
< max_address
))
2557 if (image
.sections
[i
].base_address
< min_address
)
2559 /* clip addresses below */
2560 offset
+= min_address
-image
.sections
[i
].base_address
;
2564 if (image
.sections
[i
].base_address
+ buf_cnt
> max_address
)
2566 length
-= (image
.sections
[i
].base_address
+ buf_cnt
)-max_address
;
2569 if ((retval
= target_write_buffer(target
, image
.sections
[i
].base_address
+ offset
, length
, buffer
+ offset
)) != ERROR_OK
)
2574 image_size
+= length
;
2575 command_print(CMD_CTX
, "%u bytes written at address 0x%8.8" PRIx32
"",
2576 (unsigned int)length
,
2577 image
.sections
[i
].base_address
+ offset
);
2583 if ((ERROR_OK
== retval
) && (duration_measure(&bench
) == ERROR_OK
))
2585 command_print(CMD_CTX
, "downloaded %" PRIu32
" bytes "
2586 "in %fs (%0.3f KiB/s)", image_size
,
2587 duration_elapsed(&bench
), duration_kbps(&bench
, image_size
));
2590 image_close(&image
);
2596 COMMAND_HANDLER(handle_dump_image_command
)
2598 struct fileio fileio
;
2600 uint8_t buffer
[560];
2604 struct target
*target
= get_current_target(CMD_CTX
);
2608 command_print(CMD_CTX
, "usage: dump_image <filename> <address> <size>");
2613 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[1], address
);
2615 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[2], size
);
2617 if (fileio_open(&fileio
, CMD_ARGV
[0], FILEIO_WRITE
, FILEIO_BINARY
) != ERROR_OK
)
2622 struct duration bench
;
2623 duration_start(&bench
);
2625 int retval
= ERROR_OK
;
2628 size_t size_written
;
2629 uint32_t this_run_size
= (size
> 560) ? 560 : size
;
2630 retval
= target_read_buffer(target
, address
, this_run_size
, buffer
);
2631 if (retval
!= ERROR_OK
)
2636 retval
= fileio_write(&fileio
, this_run_size
, buffer
, &size_written
);
2637 if (retval
!= ERROR_OK
)
2642 size
-= this_run_size
;
2643 address
+= this_run_size
;
2646 if ((retvaltemp
= fileio_close(&fileio
)) != ERROR_OK
)
2649 if ((ERROR_OK
== retval
) && (duration_measure(&bench
) == ERROR_OK
))
2651 command_print(CMD_CTX
,
2652 "dumped %ld bytes in %fs (%0.3f KiB/s)", (long)fileio
.size
,
2653 duration_elapsed(&bench
), duration_kbps(&bench
, fileio
.size
));
2659 static COMMAND_HELPER(handle_verify_image_command_internal
, int verify
)
2663 uint32_t image_size
;
2666 uint32_t checksum
= 0;
2667 uint32_t mem_checksum
= 0;
2671 struct target
*target
= get_current_target(CMD_CTX
);
2675 return ERROR_COMMAND_SYNTAX_ERROR
;
2680 LOG_ERROR("no target selected");
2684 struct duration bench
;
2685 duration_start(&bench
);
2690 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[1], addr
);
2691 image
.base_address
= addr
;
2692 image
.base_address_set
= 1;
2696 image
.base_address_set
= 0;
2697 image
.base_address
= 0x0;
2700 image
.start_address_set
= 0;
2702 if ((retval
= image_open(&image
, CMD_ARGV
[0], (CMD_ARGC
== 3) ? CMD_ARGV
[2] : NULL
)) != ERROR_OK
)
2710 for (i
= 0; i
< image
.num_sections
; i
++)
2712 buffer
= malloc(image
.sections
[i
].size
);
2715 command_print(CMD_CTX
,
2716 "error allocating buffer for section (%d bytes)",
2717 (int)(image
.sections
[i
].size
));
2720 if ((retval
= image_read_section(&image
, i
, 0x0, image
.sections
[i
].size
, buffer
, &buf_cnt
)) != ERROR_OK
)
2728 /* calculate checksum of image */
2729 retval
= image_calculate_checksum(buffer
, buf_cnt
, &checksum
);
2730 if (retval
!= ERROR_OK
)
2736 retval
= target_checksum_memory(target
, image
.sections
[i
].base_address
, buf_cnt
, &mem_checksum
);
2737 if (retval
!= ERROR_OK
)
2743 if (checksum
!= mem_checksum
)
2745 /* failed crc checksum, fall back to a binary compare */
2750 LOG_ERROR("checksum mismatch - attempting binary compare");
2753 data
= (uint8_t*)malloc(buf_cnt
);
2755 /* Can we use 32bit word accesses? */
2757 int count
= buf_cnt
;
2758 if ((count
% 4) == 0)
2763 retval
= target_read_memory(target
, image
.sections
[i
].base_address
, size
, count
, data
);
2764 if (retval
== ERROR_OK
)
2767 for (t
= 0; t
< buf_cnt
; t
++)
2769 if (data
[t
] != buffer
[t
])
2771 command_print(CMD_CTX
,
2772 "diff %d address 0x%08x. Was 0x%02x instead of 0x%02x",
2774 (unsigned)(t
+ image
.sections
[i
].base_address
),
2779 command_print(CMD_CTX
, "More than 128 errors, the rest are not printed.");
2792 command_print(CMD_CTX
, "address 0x%08" PRIx32
" length 0x%08zx",
2793 image
.sections
[i
].base_address
,
2798 image_size
+= buf_cnt
;
2802 command_print(CMD_CTX
, "No more differences found.");
2807 retval
= ERROR_FAIL
;
2809 if ((ERROR_OK
== retval
) && (duration_measure(&bench
) == ERROR_OK
))
2811 command_print(CMD_CTX
, "verified %" PRIu32
" bytes "
2812 "in %fs (%0.3f KiB/s)", image_size
,
2813 duration_elapsed(&bench
), duration_kbps(&bench
, image_size
));
2816 image_close(&image
);
2821 COMMAND_HANDLER(handle_verify_image_command
)
2823 return CALL_COMMAND_HANDLER(handle_verify_image_command_internal
, 1);
2826 COMMAND_HANDLER(handle_test_image_command
)
2828 return CALL_COMMAND_HANDLER(handle_verify_image_command_internal
, 0);
2831 static int handle_bp_command_list(struct command_context
*cmd_ctx
)
2833 struct target
*target
= get_current_target(cmd_ctx
);
2834 struct breakpoint
*breakpoint
= target
->breakpoints
;
2837 if (breakpoint
->type
== BKPT_SOFT
)
2839 char* buf
= buf_to_str(breakpoint
->orig_instr
,
2840 breakpoint
->length
, 16);
2841 command_print(cmd_ctx
, "0x%8.8" PRIx32
", 0x%x, %i, 0x%s",
2842 breakpoint
->address
,
2844 breakpoint
->set
, buf
);
2849 command_print(cmd_ctx
, "0x%8.8" PRIx32
", 0x%x, %i",
2850 breakpoint
->address
,
2851 breakpoint
->length
, breakpoint
->set
);
2854 breakpoint
= breakpoint
->next
;
2859 static int handle_bp_command_set(struct command_context
*cmd_ctx
,
2860 uint32_t addr
, uint32_t length
, int hw
)
2862 struct target
*target
= get_current_target(cmd_ctx
);
2863 int retval
= breakpoint_add(target
, addr
, length
, hw
);
2864 if (ERROR_OK
== retval
)
2865 command_print(cmd_ctx
, "breakpoint set at 0x%8.8" PRIx32
"", addr
);
2867 LOG_ERROR("Failure setting breakpoint");
2871 COMMAND_HANDLER(handle_bp_command
)
2874 return handle_bp_command_list(CMD_CTX
);
2876 if (CMD_ARGC
< 2 || CMD_ARGC
> 3)
2878 command_print(CMD_CTX
, "usage: bp <address> <length> ['hw']");
2879 return ERROR_COMMAND_SYNTAX_ERROR
;
2883 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[0], addr
);
2885 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[1], length
);
2890 if (strcmp(CMD_ARGV
[2], "hw") == 0)
2893 return ERROR_COMMAND_SYNTAX_ERROR
;
2896 return handle_bp_command_set(CMD_CTX
, addr
, length
, hw
);
2899 COMMAND_HANDLER(handle_rbp_command
)
2902 return ERROR_COMMAND_SYNTAX_ERROR
;
2905 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[0], addr
);
2907 struct target
*target
= get_current_target(CMD_CTX
);
2908 breakpoint_remove(target
, addr
);
2913 COMMAND_HANDLER(handle_wp_command
)
2915 struct target
*target
= get_current_target(CMD_CTX
);
2919 struct watchpoint
*watchpoint
= target
->watchpoints
;
2923 command_print(CMD_CTX
, "address: 0x%8.8" PRIx32
2924 ", len: 0x%8.8" PRIx32
2925 ", r/w/a: %i, value: 0x%8.8" PRIx32
2926 ", mask: 0x%8.8" PRIx32
,
2927 watchpoint
->address
,
2929 (int)watchpoint
->rw
,
2932 watchpoint
= watchpoint
->next
;
2937 enum watchpoint_rw type
= WPT_ACCESS
;
2939 uint32_t length
= 0;
2940 uint32_t data_value
= 0x0;
2941 uint32_t data_mask
= 0xffffffff;
2946 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[4], data_mask
);
2949 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[3], data_value
);
2952 switch (CMD_ARGV
[2][0])
2964 LOG_ERROR("invalid watchpoint mode ('%c')", CMD_ARGV
[2][0]);
2965 return ERROR_COMMAND_SYNTAX_ERROR
;
2969 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[1], length
);
2970 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[0], addr
);
2974 command_print(CMD_CTX
, "usage: wp [address length "
2975 "[(r|w|a) [value [mask]]]]");
2976 return ERROR_COMMAND_SYNTAX_ERROR
;
2979 int retval
= watchpoint_add(target
, addr
, length
, type
,
2980 data_value
, data_mask
);
2981 if (ERROR_OK
!= retval
)
2982 LOG_ERROR("Failure setting watchpoints");
2987 COMMAND_HANDLER(handle_rwp_command
)
2990 return ERROR_COMMAND_SYNTAX_ERROR
;
2993 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[0], addr
);
2995 struct target
*target
= get_current_target(CMD_CTX
);
2996 watchpoint_remove(target
, addr
);
3003 * Translate a virtual address to a physical address.
3005 * The low-level target implementation must have logged a detailed error
3006 * which is forwarded to telnet/GDB session.
3008 COMMAND_HANDLER(handle_virt2phys_command
)
3011 return ERROR_COMMAND_SYNTAX_ERROR
;
3014 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[0], va
);
3017 struct target
*target
= get_current_target(CMD_CTX
);
3018 int retval
= target
->type
->virt2phys(target
, va
, &pa
);
3019 if (retval
== ERROR_OK
)
3020 command_print(CMD_CTX
, "Physical address 0x%08" PRIx32
"", pa
);
3025 static void writeData(FILE *f
, const void *data
, size_t len
)
3027 size_t written
= fwrite(data
, 1, len
, f
);
3029 LOG_ERROR("failed to write %zu bytes: %s", len
, strerror(errno
));
3032 static void writeLong(FILE *f
, int l
)
3035 for (i
= 0; i
< 4; i
++)
3037 char c
= (l
>> (i
*8))&0xff;
3038 writeData(f
, &c
, 1);
3043 static void writeString(FILE *f
, char *s
)
3045 writeData(f
, s
, strlen(s
));
3048 /* Dump a gmon.out histogram file. */
3049 static void writeGmon(uint32_t *samples
, uint32_t sampleNum
, const char *filename
)
3052 FILE *f
= fopen(filename
, "w");
3055 writeString(f
, "gmon");
3056 writeLong(f
, 0x00000001); /* Version */
3057 writeLong(f
, 0); /* padding */
3058 writeLong(f
, 0); /* padding */
3059 writeLong(f
, 0); /* padding */
3061 uint8_t zero
= 0; /* GMON_TAG_TIME_HIST */
3062 writeData(f
, &zero
, 1);
3064 /* figure out bucket size */
3065 uint32_t min
= samples
[0];
3066 uint32_t max
= samples
[0];
3067 for (i
= 0; i
< sampleNum
; i
++)
3069 if (min
> samples
[i
])
3073 if (max
< samples
[i
])
3079 int addressSpace
= (max
-min
+ 1);
3081 static const uint32_t maxBuckets
= 256 * 1024; /* maximum buckets. */
3082 uint32_t length
= addressSpace
;
3083 if (length
> maxBuckets
)
3085 length
= maxBuckets
;
3087 int *buckets
= malloc(sizeof(int)*length
);
3088 if (buckets
== NULL
)
3093 memset(buckets
, 0, sizeof(int)*length
);
3094 for (i
= 0; i
< sampleNum
;i
++)
3096 uint32_t address
= samples
[i
];
3097 long long a
= address
-min
;
3098 long long b
= length
-1;
3099 long long c
= addressSpace
-1;
3100 int index_t
= (a
*b
)/c
; /* danger!!!! int32 overflows */
3104 /* append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr)) */
3105 writeLong(f
, min
); /* low_pc */
3106 writeLong(f
, max
); /* high_pc */
3107 writeLong(f
, length
); /* # of samples */
3108 writeLong(f
, 64000000); /* 64MHz */
3109 writeString(f
, "seconds");
3110 for (i
= 0; i
< (15-strlen("seconds")); i
++)
3111 writeData(f
, &zero
, 1);
3112 writeString(f
, "s");
3114 /*append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size) */
3116 char *data
= malloc(2*length
);
3119 for (i
= 0; i
< length
;i
++)
3128 data
[i
*2 + 1]=(val
>> 8)&0xff;
3131 writeData(f
, data
, length
* 2);
3141 /* profiling samples the CPU PC as quickly as OpenOCD is able,
3142 * which will be used as a random sampling of PC */
3143 COMMAND_HANDLER(handle_profile_command
)
3145 struct target
*target
= get_current_target(CMD_CTX
);
3146 struct timeval timeout
, now
;
3148 gettimeofday(&timeout
, NULL
);
3151 return ERROR_COMMAND_SYNTAX_ERROR
;
3154 COMMAND_PARSE_NUMBER(uint
, CMD_ARGV
[0], offset
);
3156 timeval_add_time(&timeout
, offset
, 0);
3159 * @todo: Some cores let us sample the PC without the
3160 * annoying halt/resume step; for example, ARMv7 PCSR.
3161 * Provide a way to use that more efficient mechanism.
3164 command_print(CMD_CTX
, "Starting profiling. Halting and resuming the target as often as we can...");
3166 static const int maxSample
= 10000;
3167 uint32_t *samples
= malloc(sizeof(uint32_t)*maxSample
);
3168 if (samples
== NULL
)
3172 /* hopefully it is safe to cache! We want to stop/restart as quickly as possible. */
3173 struct reg
*reg
= register_get_by_name(target
->reg_cache
, "pc", 1);
3178 target_poll(target
);
3179 if (target
->state
== TARGET_HALTED
)
3181 uint32_t t
=*((uint32_t *)reg
->value
);
3182 samples
[numSamples
++]=t
;
3183 retval
= target_resume(target
, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
3184 target_poll(target
);
3185 alive_sleep(10); /* sleep 10ms, i.e. <100 samples/second. */
3186 } else if (target
->state
== TARGET_RUNNING
)
3188 /* We want to quickly sample the PC. */
3189 if ((retval
= target_halt(target
)) != ERROR_OK
)
3196 command_print(CMD_CTX
, "Target not halted or running");
3200 if (retval
!= ERROR_OK
)
3205 gettimeofday(&now
, NULL
);
3206 if ((numSamples
>= maxSample
) || ((now
.tv_sec
>= timeout
.tv_sec
) && (now
.tv_usec
>= timeout
.tv_usec
)))
3208 command_print(CMD_CTX
, "Profiling completed. %d samples.", numSamples
);
3209 if ((retval
= target_poll(target
)) != ERROR_OK
)
3214 if (target
->state
== TARGET_HALTED
)
3216 target_resume(target
, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
3218 if ((retval
= target_poll(target
)) != ERROR_OK
)
3223 writeGmon(samples
, numSamples
, CMD_ARGV
[1]);
3224 command_print(CMD_CTX
, "Wrote %s", CMD_ARGV
[1]);
3233 static int new_int_array_element(Jim_Interp
* interp
, const char *varname
, int idx
, uint32_t val
)
3236 Jim_Obj
*nameObjPtr
, *valObjPtr
;
3239 namebuf
= alloc_printf("%s(%d)", varname
, idx
);
3243 nameObjPtr
= Jim_NewStringObj(interp
, namebuf
, -1);
3244 valObjPtr
= Jim_NewIntObj(interp
, val
);
3245 if (!nameObjPtr
|| !valObjPtr
)
3251 Jim_IncrRefCount(nameObjPtr
);
3252 Jim_IncrRefCount(valObjPtr
);
3253 result
= Jim_SetVariable(interp
, nameObjPtr
, valObjPtr
);
3254 Jim_DecrRefCount(interp
, nameObjPtr
);
3255 Jim_DecrRefCount(interp
, valObjPtr
);
3257 /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
3261 static int jim_mem2array(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
3263 struct command_context
*context
;
3264 struct target
*target
;
3266 context
= current_command_context(interp
);
3267 assert (context
!= NULL
);
3269 target
= get_current_target(context
);
3272 LOG_ERROR("mem2array: no current target");
3276 return target_mem2array(interp
, target
, argc
-1, argv
+ 1);
3279 static int target_mem2array(Jim_Interp
*interp
, struct target
*target
, int argc
, Jim_Obj
*const *argv
)
3287 const char *varname
;
3291 /* argv[1] = name of array to receive the data
3292 * argv[2] = desired width
3293 * argv[3] = memory address
3294 * argv[4] = count of times to read
3297 Jim_WrongNumArgs(interp
, 1, argv
, "varname width addr nelems");
3300 varname
= Jim_GetString(argv
[0], &len
);
3301 /* given "foo" get space for worse case "foo(%d)" .. add 20 */
3303 e
= Jim_GetLong(interp
, argv
[1], &l
);
3309 e
= Jim_GetLong(interp
, argv
[2], &l
);
3314 e
= Jim_GetLong(interp
, argv
[3], &l
);
3330 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3331 Jim_AppendStrings(interp
, Jim_GetResult(interp
), "Invalid width param, must be 8/16/32", NULL
);
3335 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3336 Jim_AppendStrings(interp
, Jim_GetResult(interp
), "mem2array: zero width read?", NULL
);
3339 if ((addr
+ (len
* width
)) < addr
) {
3340 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3341 Jim_AppendStrings(interp
, Jim_GetResult(interp
), "mem2array: addr + len - wraps to zero?", NULL
);
3344 /* absurd transfer size? */
3346 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3347 Jim_AppendStrings(interp
, Jim_GetResult(interp
), "mem2array: absurd > 64K item request", NULL
);
3352 ((width
== 2) && ((addr
& 1) == 0)) ||
3353 ((width
== 4) && ((addr
& 3) == 0))) {
3357 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3358 sprintf(buf
, "mem2array address: 0x%08" PRIx32
" is not aligned for %" PRId32
" byte reads",
3361 Jim_AppendStrings(interp
, Jim_GetResult(interp
), buf
, NULL
);
3370 size_t buffersize
= 4096;
3371 uint8_t *buffer
= malloc(buffersize
);
3378 /* Slurp... in buffer size chunks */
3380 count
= len
; /* in objects.. */
3381 if (count
> (buffersize
/width
)) {
3382 count
= (buffersize
/width
);
3385 retval
= target_read_memory(target
, addr
, width
, count
, buffer
);
3386 if (retval
!= ERROR_OK
) {
3388 LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed",
3392 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3393 Jim_AppendStrings(interp
, Jim_GetResult(interp
), "mem2array: cannot read memory", NULL
);
3397 v
= 0; /* shut up gcc */
3398 for (i
= 0 ;i
< count
;i
++, n
++) {
3401 v
= target_buffer_get_u32(target
, &buffer
[i
*width
]);
3404 v
= target_buffer_get_u16(target
, &buffer
[i
*width
]);
3407 v
= buffer
[i
] & 0x0ff;
3410 new_int_array_element(interp
, varname
, n
, v
);
3418 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3423 static int get_int_array_element(Jim_Interp
* interp
, const char *varname
, int idx
, uint32_t *val
)
3426 Jim_Obj
*nameObjPtr
, *valObjPtr
;
3430 namebuf
= alloc_printf("%s(%d)", varname
, idx
);
3434 nameObjPtr
= Jim_NewStringObj(interp
, namebuf
, -1);
3441 Jim_IncrRefCount(nameObjPtr
);
3442 valObjPtr
= Jim_GetVariable(interp
, nameObjPtr
, JIM_ERRMSG
);
3443 Jim_DecrRefCount(interp
, nameObjPtr
);
3445 if (valObjPtr
== NULL
)
3448 result
= Jim_GetLong(interp
, valObjPtr
, &l
);
3449 /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
3454 static int jim_array2mem(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
3456 struct command_context
*context
;
3457 struct target
*target
;
3459 context
= current_command_context(interp
);
3460 assert (context
!= NULL
);
3462 target
= get_current_target(context
);
3463 if (target
== NULL
) {
3464 LOG_ERROR("array2mem: no current target");
3468 return target_array2mem(interp
,target
, argc
-1, argv
+ 1);
3471 static int target_array2mem(Jim_Interp
*interp
, struct target
*target
,
3472 int argc
, Jim_Obj
*const *argv
)
3480 const char *varname
;
3484 /* argv[1] = name of array to get the data
3485 * argv[2] = desired width
3486 * argv[3] = memory address
3487 * argv[4] = count to write
3490 Jim_WrongNumArgs(interp
, 0, argv
, "varname width addr nelems");
3493 varname
= Jim_GetString(argv
[0], &len
);
3494 /* given "foo" get space for worse case "foo(%d)" .. add 20 */
3496 e
= Jim_GetLong(interp
, argv
[1], &l
);
3502 e
= Jim_GetLong(interp
, argv
[2], &l
);
3507 e
= Jim_GetLong(interp
, argv
[3], &l
);
3523 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3524 Jim_AppendStrings(interp
, Jim_GetResult(interp
), "Invalid width param, must be 8/16/32", NULL
);
3528 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3529 Jim_AppendStrings(interp
, Jim_GetResult(interp
), "array2mem: zero width read?", NULL
);
3532 if ((addr
+ (len
* width
)) < addr
) {
3533 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3534 Jim_AppendStrings(interp
, Jim_GetResult(interp
), "array2mem: addr + len - wraps to zero?", NULL
);
3537 /* absurd transfer size? */
3539 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3540 Jim_AppendStrings(interp
, Jim_GetResult(interp
), "array2mem: absurd > 64K item request", NULL
);
3545 ((width
== 2) && ((addr
& 1) == 0)) ||
3546 ((width
== 4) && ((addr
& 3) == 0))) {
3550 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3551 sprintf(buf
, "array2mem address: 0x%08x is not aligned for %d byte reads",
3554 Jim_AppendStrings(interp
, Jim_GetResult(interp
), buf
, NULL
);
3565 size_t buffersize
= 4096;
3566 uint8_t *buffer
= malloc(buffersize
);
3571 /* Slurp... in buffer size chunks */
3573 count
= len
; /* in objects.. */
3574 if (count
> (buffersize
/width
)) {
3575 count
= (buffersize
/width
);
3578 v
= 0; /* shut up gcc */
3579 for (i
= 0 ;i
< count
;i
++, n
++) {
3580 get_int_array_element(interp
, varname
, n
, &v
);
3583 target_buffer_set_u32(target
, &buffer
[i
*width
], v
);
3586 target_buffer_set_u16(target
, &buffer
[i
*width
], v
);
3589 buffer
[i
] = v
& 0x0ff;
3595 retval
= target_write_memory(target
, addr
, width
, count
, buffer
);
3596 if (retval
!= ERROR_OK
) {
3598 LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed",
3602 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3603 Jim_AppendStrings(interp
, Jim_GetResult(interp
), "array2mem: cannot read memory", NULL
);
3611 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3616 /* FIX? should we propagate errors here rather than printing them
3619 void target_handle_event(struct target
*target
, enum target_event e
)
3621 struct target_event_action
*teap
;
3623 for (teap
= target
->event_action
; teap
!= NULL
; teap
= teap
->next
) {
3624 if (teap
->event
== e
) {
3625 LOG_DEBUG("target: (%d) %s (%s) event: %d (%s) action: %s",
3626 target
->target_number
,
3627 target_name(target
),
3628 target_type_name(target
),
3630 Jim_Nvp_value2name_simple(nvp_target_event
, e
)->name
,
3631 Jim_GetString(teap
->body
, NULL
));
3632 if (Jim_EvalObj(teap
->interp
, teap
->body
) != JIM_OK
)
3634 Jim_PrintErrorMessage(teap
->interp
);
3641 * Returns true only if the target has a handler for the specified event.
3643 bool target_has_event_action(struct target
*target
, enum target_event event
)
3645 struct target_event_action
*teap
;
3647 for (teap
= target
->event_action
; teap
!= NULL
; teap
= teap
->next
) {
3648 if (teap
->event
== event
)
3654 enum target_cfg_param
{
3657 TCFG_WORK_AREA_VIRT
,
3658 TCFG_WORK_AREA_PHYS
,
3659 TCFG_WORK_AREA_SIZE
,
3660 TCFG_WORK_AREA_BACKUP
,
3663 TCFG_CHAIN_POSITION
,
3666 static Jim_Nvp nvp_config_opts
[] = {
3667 { .name
= "-type", .value
= TCFG_TYPE
},
3668 { .name
= "-event", .value
= TCFG_EVENT
},
3669 { .name
= "-work-area-virt", .value
= TCFG_WORK_AREA_VIRT
},
3670 { .name
= "-work-area-phys", .value
= TCFG_WORK_AREA_PHYS
},
3671 { .name
= "-work-area-size", .value
= TCFG_WORK_AREA_SIZE
},
3672 { .name
= "-work-area-backup", .value
= TCFG_WORK_AREA_BACKUP
},
3673 { .name
= "-endian" , .value
= TCFG_ENDIAN
},
3674 { .name
= "-variant", .value
= TCFG_VARIANT
},
3675 { .name
= "-chain-position", .value
= TCFG_CHAIN_POSITION
},
3677 { .name
= NULL
, .value
= -1 }
3680 static int target_configure(Jim_GetOptInfo
*goi
, struct target
*target
)
3688 /* parse config or cget options ... */
3689 while (goi
->argc
> 0) {
3690 Jim_SetEmptyResult(goi
->interp
);
3691 /* Jim_GetOpt_Debug(goi); */
3693 if (target
->type
->target_jim_configure
) {
3694 /* target defines a configure function */
3695 /* target gets first dibs on parameters */
3696 e
= (*(target
->type
->target_jim_configure
))(target
, goi
);
3705 /* otherwise we 'continue' below */
3707 e
= Jim_GetOpt_Nvp(goi
, nvp_config_opts
, &n
);
3709 Jim_GetOpt_NvpUnknown(goi
, nvp_config_opts
, 0);
3715 if (goi
->isconfigure
) {
3716 Jim_SetResult_sprintf(goi
->interp
,
3717 "not settable: %s", n
->name
);
3721 if (goi
->argc
!= 0) {
3722 Jim_WrongNumArgs(goi
->interp
,
3723 goi
->argc
, goi
->argv
,
3728 Jim_SetResultString(goi
->interp
,
3729 target_type_name(target
), -1);
3733 if (goi
->argc
== 0) {
3734 Jim_WrongNumArgs(goi
->interp
, goi
->argc
, goi
->argv
, "-event ?event-name? ...");
3738 e
= Jim_GetOpt_Nvp(goi
, nvp_target_event
, &n
);
3740 Jim_GetOpt_NvpUnknown(goi
, nvp_target_event
, 1);
3744 if (goi
->isconfigure
) {
3745 if (goi
->argc
!= 1) {
3746 Jim_WrongNumArgs(goi
->interp
, goi
->argc
, goi
->argv
, "-event ?event-name? ?EVENT-BODY?");
3750 if (goi
->argc
!= 0) {
3751 Jim_WrongNumArgs(goi
->interp
, goi
->argc
, goi
->argv
, "-event ?event-name?");
3757 struct target_event_action
*teap
;
3759 teap
= target
->event_action
;
3760 /* replace existing? */
3762 if (teap
->event
== (enum target_event
)n
->value
) {
3768 if (goi
->isconfigure
) {
3769 bool replace
= true;
3772 teap
= calloc(1, sizeof(*teap
));
3775 teap
->event
= n
->value
;
3776 teap
->interp
= goi
->interp
;
3777 Jim_GetOpt_Obj(goi
, &o
);
3779 Jim_DecrRefCount(teap
->interp
, teap
->body
);
3781 teap
->body
= Jim_DuplicateObj(goi
->interp
, o
);
3784 * Tcl/TK - "tk events" have a nice feature.
3785 * See the "BIND" command.
3786 * We should support that here.
3787 * You can specify %X and %Y in the event code.
3788 * The idea is: %T - target name.
3789 * The idea is: %N - target number
3790 * The idea is: %E - event name.
3792 Jim_IncrRefCount(teap
->body
);
3796 /* add to head of event list */
3797 teap
->next
= target
->event_action
;
3798 target
->event_action
= teap
;
3800 Jim_SetEmptyResult(goi
->interp
);
3804 Jim_SetEmptyResult(goi
->interp
);
3806 Jim_SetResult(goi
->interp
, Jim_DuplicateObj(goi
->interp
, teap
->body
));
3813 case TCFG_WORK_AREA_VIRT
:
3814 if (goi
->isconfigure
) {
3815 target_free_all_working_areas(target
);
3816 e
= Jim_GetOpt_Wide(goi
, &w
);
3820 target
->working_area_virt
= w
;
3821 target
->working_area_virt_spec
= true;
3823 if (goi
->argc
!= 0) {
3827 Jim_SetResult(goi
->interp
, Jim_NewIntObj(goi
->interp
, target
->working_area_virt
));
3831 case TCFG_WORK_AREA_PHYS
:
3832 if (goi
->isconfigure
) {
3833 target_free_all_working_areas(target
);
3834 e
= Jim_GetOpt_Wide(goi
, &w
);
3838 target
->working_area_phys
= w
;
3839 target
->working_area_phys_spec
= true;
3841 if (goi
->argc
!= 0) {
3845 Jim_SetResult(goi
->interp
, Jim_NewIntObj(goi
->interp
, target
->working_area_phys
));
3849 case TCFG_WORK_AREA_SIZE
:
3850 if (goi
->isconfigure
) {
3851 target_free_all_working_areas(target
);
3852 e
= Jim_GetOpt_Wide(goi
, &w
);
3856 target
->working_area_size
= w
;
3858 if (goi
->argc
!= 0) {
3862 Jim_SetResult(goi
->interp
, Jim_NewIntObj(goi
->interp
, target
->working_area_size
));
3866 case TCFG_WORK_AREA_BACKUP
:
3867 if (goi
->isconfigure
) {
3868 target_free_all_working_areas(target
);
3869 e
= Jim_GetOpt_Wide(goi
, &w
);
3873 /* make this exactly 1 or 0 */
3874 target
->backup_working_area
= (!!w
);
3876 if (goi
->argc
!= 0) {
3880 Jim_SetResult(goi
->interp
, Jim_NewIntObj(goi
->interp
, target
->backup_working_area
));
3881 /* loop for more e*/
3885 if (goi
->isconfigure
) {
3886 e
= Jim_GetOpt_Nvp(goi
, nvp_target_endian
, &n
);
3888 Jim_GetOpt_NvpUnknown(goi
, nvp_target_endian
, 1);
3891 target
->endianness
= n
->value
;
3893 if (goi
->argc
!= 0) {
3897 n
= Jim_Nvp_value2name_simple(nvp_target_endian
, target
->endianness
);
3898 if (n
->name
== NULL
) {
3899 target
->endianness
= TARGET_LITTLE_ENDIAN
;
3900 n
= Jim_Nvp_value2name_simple(nvp_target_endian
, target
->endianness
);
3902 Jim_SetResultString(goi
->interp
, n
->name
, -1);
3907 if (goi
->isconfigure
) {
3908 if (goi
->argc
< 1) {
3909 Jim_SetResult_sprintf(goi
->interp
,
3914 if (target
->variant
) {
3915 free((void *)(target
->variant
));
3917 e
= Jim_GetOpt_String(goi
, &cp
, NULL
);
3918 target
->variant
= strdup(cp
);
3920 if (goi
->argc
!= 0) {
3924 Jim_SetResultString(goi
->interp
, target
->variant
,-1);
3927 case TCFG_CHAIN_POSITION
:
3928 if (goi
->isconfigure
) {
3930 struct jtag_tap
*tap
;
3931 target_free_all_working_areas(target
);
3932 e
= Jim_GetOpt_Obj(goi
, &o_t
);
3936 tap
= jtag_tap_by_jim_obj(goi
->interp
, o_t
);
3940 /* make this exactly 1 or 0 */
3943 if (goi
->argc
!= 0) {
3947 Jim_SetResultString(goi
->interp
, target
->tap
->dotted_name
, -1);
3948 /* loop for more e*/
3951 } /* while (goi->argc) */
3954 /* done - we return */
3959 jim_target_configure(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
3963 Jim_GetOpt_Setup(&goi
, interp
, argc
- 1, argv
+ 1);
3964 goi
.isconfigure
= !strcmp(Jim_GetString(argv
[0], NULL
), "configure");
3965 int need_args
= 1 + goi
.isconfigure
;
3966 if (goi
.argc
< need_args
)
3968 Jim_WrongNumArgs(goi
.interp
, goi
.argc
, goi
.argv
,
3970 ? "missing: -option VALUE ..."
3971 : "missing: -option ...");
3974 struct target
*target
= Jim_CmdPrivData(goi
.interp
);
3975 return target_configure(&goi
, target
);
3978 static int jim_target_mw(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
3980 const char *cmd_name
= Jim_GetString(argv
[0], NULL
);
3983 Jim_GetOpt_Setup(&goi
, interp
, argc
- 1, argv
+ 1);
3985 if (goi
.argc
< 2 || goi
.argc
> 4)
3987 Jim_SetResult_sprintf(goi
.interp
,
3988 "usage: %s [phys] <address> <data> [<count>]", cmd_name
);
3993 fn
= target_write_memory_fast
;
3996 if (strcmp(Jim_GetString(argv
[1], NULL
), "phys") == 0)
3999 struct Jim_Obj
*obj
;
4000 e
= Jim_GetOpt_Obj(&goi
, &obj
);
4004 fn
= target_write_phys_memory
;
4008 e
= Jim_GetOpt_Wide(&goi
, &a
);
4013 e
= Jim_GetOpt_Wide(&goi
, &b
);
4020 e
= Jim_GetOpt_Wide(&goi
, &c
);
4025 /* all args must be consumed */
4031 struct target
*target
= Jim_CmdPrivData(goi
.interp
);
4033 if (strcasecmp(cmd_name
, "mww") == 0) {
4036 else if (strcasecmp(cmd_name
, "mwh") == 0) {
4039 else if (strcasecmp(cmd_name
, "mwb") == 0) {
4042 LOG_ERROR("command '%s' unknown: ", cmd_name
);
4046 return (target_fill_mem(target
, a
, fn
, data_size
, b
, c
) == ERROR_OK
) ? JIM_OK
: JIM_ERR
;
4049 static int jim_target_md(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
4051 const char *cmd_name
= Jim_GetString(argv
[0], NULL
);
4054 Jim_GetOpt_Setup(&goi
, interp
, argc
- 1, argv
+ 1);
4056 if ((goi
.argc
< 1) || (goi
.argc
> 3))
4058 Jim_SetResult_sprintf(goi
.interp
,
4059 "usage: %s [phys] <address> [<count>]", cmd_name
);
4063 int (*fn
)(struct target
*target
,
4064 uint32_t address
, uint32_t size
, uint32_t count
, uint8_t *buffer
);
4065 fn
=target_read_memory
;
4068 if (strcmp(Jim_GetString(argv
[1], NULL
), "phys") == 0)
4071 struct Jim_Obj
*obj
;
4072 e
= Jim_GetOpt_Obj(&goi
, &obj
);
4076 fn
=target_read_phys_memory
;
4080 e
= Jim_GetOpt_Wide(&goi
, &a
);
4085 if (goi
.argc
== 1) {
4086 e
= Jim_GetOpt_Wide(&goi
, &c
);
4094 /* all args must be consumed */
4100 jim_wide b
= 1; /* shut up gcc */
4101 if (strcasecmp(cmd_name
, "mdw") == 0)
4103 else if (strcasecmp(cmd_name
, "mdh") == 0)
4105 else if (strcasecmp(cmd_name
, "mdb") == 0)
4108 LOG_ERROR("command '%s' unknown: ", cmd_name
);
4112 /* convert count to "bytes" */
4115 struct target
*target
= Jim_CmdPrivData(goi
.interp
);
4116 uint8_t target_buf
[32];
4123 e
= fn(target
, a
, b
, y
/ b
, target_buf
);
4124 if (e
!= ERROR_OK
) {
4125 Jim_SetResult_sprintf(interp
, "error reading target @ 0x%08lx", (int)(a
));
4129 Jim_fprintf(interp
, interp
->cookie_stdout
, "0x%08x ", (int)(a
));
4132 for (x
= 0; x
< 16 && x
< y
; x
+= 4)
4134 z
= target_buffer_get_u32(target
, &(target_buf
[ x
]));
4135 Jim_fprintf(interp
, interp
->cookie_stdout
, "%08x ", (int)(z
));
4137 for (; (x
< 16) ; x
+= 4) {
4138 Jim_fprintf(interp
, interp
->cookie_stdout
, " ");
4142 for (x
= 0; x
< 16 && x
< y
; x
+= 2)
4144 z
= target_buffer_get_u16(target
, &(target_buf
[ x
]));
4145 Jim_fprintf(interp
, interp
->cookie_stdout
, "%04x ", (int)(z
));
4147 for (; (x
< 16) ; x
+= 2) {
4148 Jim_fprintf(interp
, interp
->cookie_stdout
, " ");
4153 for (x
= 0 ; (x
< 16) && (x
< y
) ; x
+= 1) {
4154 z
= target_buffer_get_u8(target
, &(target_buf
[ x
]));
4155 Jim_fprintf(interp
, interp
->cookie_stdout
, "%02x ", (int)(z
));
4157 for (; (x
< 16) ; x
+= 1) {
4158 Jim_fprintf(interp
, interp
->cookie_stdout
, " ");
4162 /* ascii-ify the bytes */
4163 for (x
= 0 ; x
< y
; x
++) {
4164 if ((target_buf
[x
] >= 0x20) &&
4165 (target_buf
[x
] <= 0x7e)) {
4169 target_buf
[x
] = '.';
4174 target_buf
[x
] = ' ';
4179 /* print - with a newline */
4180 Jim_fprintf(interp
, interp
->cookie_stdout
, "%s\n", target_buf
);
4188 static int jim_target_mem2array(Jim_Interp
*interp
,
4189 int argc
, Jim_Obj
*const *argv
)
4191 struct target
*target
= Jim_CmdPrivData(interp
);
4192 return target_mem2array(interp
, target
, argc
- 1, argv
+ 1);
4195 static int jim_target_array2mem(Jim_Interp
*interp
,
4196 int argc
, Jim_Obj
*const *argv
)
4198 struct target
*target
= Jim_CmdPrivData(interp
);
4199 return target_array2mem(interp
, target
, argc
- 1, argv
+ 1);
4202 static int jim_target_tap_disabled(Jim_Interp
*interp
)
4204 Jim_SetResult_sprintf(interp
, "[TAP is disabled]");
4208 static int jim_target_examine(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
4212 Jim_WrongNumArgs(interp
, 1, argv
, "[no parameters]");
4215 struct target
*target
= Jim_CmdPrivData(interp
);
4216 if (!target
->tap
->enabled
)
4217 return jim_target_tap_disabled(interp
);
4219 int e
= target
->type
->examine(target
);
4222 Jim_SetResult_sprintf(interp
, "examine-fails: %d", e
);
4228 static int jim_target_halt_gdb(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
4232 Jim_WrongNumArgs(interp
, 1, argv
, "[no parameters]");
4235 struct target
*target
= Jim_CmdPrivData(interp
);
4237 if (target_call_event_callbacks(target
, TARGET_EVENT_GDB_HALT
) != ERROR_OK
)
4243 static int jim_target_poll(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
4247 Jim_WrongNumArgs(interp
, 1, argv
, "[no parameters]");
4250 struct target
*target
= Jim_CmdPrivData(interp
);
4251 if (!target
->tap
->enabled
)
4252 return jim_target_tap_disabled(interp
);
4255 if (!(target_was_examined(target
))) {
4256 e
= ERROR_TARGET_NOT_EXAMINED
;
4258 e
= target
->type
->poll(target
);
4262 Jim_SetResult_sprintf(interp
, "poll-fails: %d", e
);
4268 static int jim_target_reset(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
4271 Jim_GetOpt_Setup(&goi
, interp
, argc
- 1, argv
+ 1);
4275 Jim_WrongNumArgs(interp
, 0, argv
,
4276 "([tT]|[fF]|assert|deassert) BOOL");
4281 int e
= Jim_GetOpt_Nvp(&goi
, nvp_assert
, &n
);
4284 Jim_GetOpt_NvpUnknown(&goi
, nvp_assert
, 1);
4287 /* the halt or not param */
4289 e
= Jim_GetOpt_Wide(&goi
, &a
);
4293 struct target
*target
= Jim_CmdPrivData(goi
.interp
);
4294 if (!target
->tap
->enabled
)
4295 return jim_target_tap_disabled(interp
);
4296 if (!(target_was_examined(target
)))
4298 LOG_ERROR("Target not examined yet");
4299 return ERROR_TARGET_NOT_EXAMINED
;
4301 if (!target
->type
->assert_reset
|| !target
->type
->deassert_reset
)
4303 Jim_SetResult_sprintf(interp
,
4304 "No target-specific reset for %s",
4305 target_name(target
));
4308 /* determine if we should halt or not. */
4309 target
->reset_halt
= !!a
;
4310 /* When this happens - all workareas are invalid. */
4311 target_free_all_working_areas_restore(target
, 0);
4314 if (n
->value
== NVP_ASSERT
) {
4315 e
= target
->type
->assert_reset(target
);
4317 e
= target
->type
->deassert_reset(target
);
4319 return (e
== ERROR_OK
) ? JIM_OK
: JIM_ERR
;
4322 static int jim_target_halt(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
4325 Jim_WrongNumArgs(interp
, 1, argv
, "[no parameters]");
4328 struct target
*target
= Jim_CmdPrivData(interp
);
4329 if (!target
->tap
->enabled
)
4330 return jim_target_tap_disabled(interp
);
4331 int e
= target
->type
->halt(target
);
4332 return (e
== ERROR_OK
) ? JIM_OK
: JIM_ERR
;
4335 static int jim_target_wait_state(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
4338 Jim_GetOpt_Setup(&goi
, interp
, argc
- 1, argv
+ 1);
4340 /* params: <name> statename timeoutmsecs */
4343 const char *cmd_name
= Jim_GetString(argv
[0], NULL
);
4344 Jim_SetResult_sprintf(goi
.interp
,
4345 "%s <state_name> <timeout_in_msec>", cmd_name
);
4350 int e
= Jim_GetOpt_Nvp(&goi
, nvp_target_state
, &n
);
4352 Jim_GetOpt_NvpUnknown(&goi
, nvp_target_state
,1);
4356 e
= Jim_GetOpt_Wide(&goi
, &a
);
4360 struct target
*target
= Jim_CmdPrivData(interp
);
4361 if (!target
->tap
->enabled
)
4362 return jim_target_tap_disabled(interp
);
4364 e
= target_wait_state(target
, n
->value
, a
);
4367 Jim_SetResult_sprintf(goi
.interp
,
4368 "target: %s wait %s fails (%d) %s",
4369 target_name(target
), n
->name
,
4370 e
, target_strerror_safe(e
));
4375 /* List for human, Events defined for this target.
4376 * scripts/programs should use 'name cget -event NAME'
4378 static int jim_target_event_list(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
4380 struct command_context
*cmd_ctx
= current_command_context(interp
);
4381 assert (cmd_ctx
!= NULL
);
4383 struct target
*target
= Jim_CmdPrivData(interp
);
4384 struct target_event_action
*teap
= target
->event_action
;
4385 command_print(cmd_ctx
, "Event actions for target (%d) %s\n",
4386 target
->target_number
,
4387 target_name(target
));
4388 command_print(cmd_ctx
, "%-25s | Body", "Event");
4389 command_print(cmd_ctx
, "------------------------- | "
4390 "----------------------------------------");
4393 Jim_Nvp
*opt
= Jim_Nvp_value2name_simple(nvp_target_event
, teap
->event
);
4394 command_print(cmd_ctx
, "%-25s | %s",
4395 opt
->name
, Jim_GetString(teap
->body
, NULL
));
4398 command_print(cmd_ctx
, "***END***");
4401 static int jim_target_current_state(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
4405 Jim_WrongNumArgs(interp
, 1, argv
, "[no parameters]");
4408 struct target
*target
= Jim_CmdPrivData(interp
);
4409 Jim_SetResultString(interp
, target_state_name(target
), -1);
4412 static int jim_target_invoke_event(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
4415 Jim_GetOpt_Setup(&goi
, interp
, argc
- 1, argv
+ 1);
4418 const char *cmd_name
= Jim_GetString(argv
[0], NULL
);
4419 Jim_SetResult_sprintf(goi
.interp
, "%s <eventname>", cmd_name
);
4423 int e
= Jim_GetOpt_Nvp(&goi
, nvp_target_event
, &n
);
4426 Jim_GetOpt_NvpUnknown(&goi
, nvp_target_event
, 1);
4429 struct target
*target
= Jim_CmdPrivData(interp
);
4430 target_handle_event(target
, n
->value
);
4434 static const struct command_registration target_instance_command_handlers
[] = {
4436 .name
= "configure",
4437 .mode
= COMMAND_CONFIG
,
4438 .jim_handler
= jim_target_configure
,
4439 .help
= "configure a new target for use",
4440 .usage
= "[target_attribute ...]",
4444 .mode
= COMMAND_ANY
,
4445 .jim_handler
= jim_target_configure
,
4446 .help
= "returns the specified target attribute",
4447 .usage
= "target_attribute",
4451 .mode
= COMMAND_EXEC
,
4452 .jim_handler
= jim_target_mw
,
4453 .help
= "Write 32-bit word(s) to target memory",
4454 .usage
= "address data [count]",
4458 .mode
= COMMAND_EXEC
,
4459 .jim_handler
= jim_target_mw
,
4460 .help
= "Write 16-bit half-word(s) to target memory",
4461 .usage
= "address data [count]",
4465 .mode
= COMMAND_EXEC
,
4466 .jim_handler
= jim_target_mw
,
4467 .help
= "Write byte(s) to target memory",
4468 .usage
= "address data [count]",
4472 .mode
= COMMAND_EXEC
,
4473 .jim_handler
= jim_target_md
,
4474 .help
= "Display target memory as 32-bit words",
4475 .usage
= "address [count]",
4479 .mode
= COMMAND_EXEC
,
4480 .jim_handler
= jim_target_md
,
4481 .help
= "Display target memory as 16-bit half-words",
4482 .usage
= "address [count]",
4486 .mode
= COMMAND_EXEC
,
4487 .jim_handler
= jim_target_md
,
4488 .help
= "Display target memory as 8-bit bytes",
4489 .usage
= "address [count]",
4492 .name
= "array2mem",
4493 .mode
= COMMAND_EXEC
,
4494 .jim_handler
= jim_target_array2mem
,
4495 .help
= "Writes Tcl array of 8/16/32 bit numbers "
4497 .usage
= "arrayname bitwidth address count",
4500 .name
= "mem2array",
4501 .mode
= COMMAND_EXEC
,
4502 .jim_handler
= jim_target_mem2array
,
4503 .help
= "Loads Tcl array of 8/16/32 bit numbers "
4504 "from target memory",
4505 .usage
= "arrayname bitwidth address count",
4508 .name
= "eventlist",
4509 .mode
= COMMAND_EXEC
,
4510 .jim_handler
= jim_target_event_list
,
4511 .help
= "displays a table of events defined for this target",
4515 .mode
= COMMAND_EXEC
,
4516 .jim_handler
= jim_target_current_state
,
4517 .help
= "displays the current state of this target",
4520 .name
= "arp_examine",
4521 .mode
= COMMAND_EXEC
,
4522 .jim_handler
= jim_target_examine
,
4523 .help
= "used internally for reset processing",
4526 .name
= "arp_halt_gdb",
4527 .mode
= COMMAND_EXEC
,
4528 .jim_handler
= jim_target_halt_gdb
,
4529 .help
= "used internally for reset processing to halt GDB",
4533 .mode
= COMMAND_EXEC
,
4534 .jim_handler
= jim_target_poll
,
4535 .help
= "used internally for reset processing",
4538 .name
= "arp_reset",
4539 .mode
= COMMAND_EXEC
,
4540 .jim_handler
= jim_target_reset
,
4541 .help
= "used internally for reset processing",
4545 .mode
= COMMAND_EXEC
,
4546 .jim_handler
= jim_target_halt
,
4547 .help
= "used internally for reset processing",
4550 .name
= "arp_waitstate",
4551 .mode
= COMMAND_EXEC
,
4552 .jim_handler
= jim_target_wait_state
,
4553 .help
= "used internally for reset processing",
4556 .name
= "invoke-event",
4557 .mode
= COMMAND_EXEC
,
4558 .jim_handler
= jim_target_invoke_event
,
4559 .help
= "invoke handler for specified event",
4560 .usage
= "event_name",
4562 COMMAND_REGISTRATION_DONE
4565 static int target_create(Jim_GetOptInfo
*goi
)
4573 struct target
*target
;
4574 struct command_context
*cmd_ctx
;
4576 cmd_ctx
= current_command_context(goi
->interp
);
4577 assert (cmd_ctx
!= NULL
);
4579 if (goi
->argc
< 3) {
4580 Jim_WrongNumArgs(goi
->interp
, 1, goi
->argv
, "?name? ?type? ..options...");
4585 Jim_GetOpt_Obj(goi
, &new_cmd
);
4586 /* does this command exist? */
4587 cmd
= Jim_GetCommand(goi
->interp
, new_cmd
, JIM_ERRMSG
);
4589 cp
= Jim_GetString(new_cmd
, NULL
);
4590 Jim_SetResult_sprintf(goi
->interp
, "Command/target: %s Exists", cp
);
4595 e
= Jim_GetOpt_String(goi
, &cp2
, NULL
);
4597 /* now does target type exist */
4598 for (x
= 0 ; target_types
[x
] ; x
++) {
4599 if (0 == strcmp(cp
, target_types
[x
]->name
)) {
4604 if (target_types
[x
] == NULL
) {
4605 Jim_SetResult_sprintf(goi
->interp
, "Unknown target type %s, try one of ", cp
);
4606 for (x
= 0 ; target_types
[x
] ; x
++) {
4607 if (target_types
[x
+ 1]) {
4608 Jim_AppendStrings(goi
->interp
,
4609 Jim_GetResult(goi
->interp
),
4610 target_types
[x
]->name
,
4613 Jim_AppendStrings(goi
->interp
,
4614 Jim_GetResult(goi
->interp
),
4616 target_types
[x
]->name
,NULL
);
4623 target
= calloc(1,sizeof(struct target
));
4624 /* set target number */
4625 target
->target_number
= new_target_number();
4627 /* allocate memory for each unique target type */
4628 target
->type
= (struct target_type
*)calloc(1,sizeof(struct target_type
));
4630 memcpy(target
->type
, target_types
[x
], sizeof(struct target_type
));
4632 /* will be set by "-endian" */
4633 target
->endianness
= TARGET_ENDIAN_UNKNOWN
;
4635 target
->working_area
= 0x0;
4636 target
->working_area_size
= 0x0;
4637 target
->working_areas
= NULL
;
4638 target
->backup_working_area
= 0;
4640 target
->state
= TARGET_UNKNOWN
;
4641 target
->debug_reason
= DBG_REASON_UNDEFINED
;
4642 target
->reg_cache
= NULL
;
4643 target
->breakpoints
= NULL
;
4644 target
->watchpoints
= NULL
;
4645 target
->next
= NULL
;
4646 target
->arch_info
= NULL
;
4648 target
->display
= 1;
4650 target
->halt_issued
= false;
4652 /* initialize trace information */
4653 target
->trace_info
= malloc(sizeof(struct trace
));
4654 target
->trace_info
->num_trace_points
= 0;
4655 target
->trace_info
->trace_points_size
= 0;
4656 target
->trace_info
->trace_points
= NULL
;
4657 target
->trace_info
->trace_history_size
= 0;
4658 target
->trace_info
->trace_history
= NULL
;
4659 target
->trace_info
->trace_history_pos
= 0;
4660 target
->trace_info
->trace_history_overflowed
= 0;
4662 target
->dbgmsg
= NULL
;
4663 target
->dbg_msg_enabled
= 0;
4665 target
->endianness
= TARGET_ENDIAN_UNKNOWN
;
4667 /* Do the rest as "configure" options */
4668 goi
->isconfigure
= 1;
4669 e
= target_configure(goi
, target
);
4671 if (target
->tap
== NULL
)
4673 Jim_SetResultString(goi
->interp
, "-chain-position required when creating target", -1);
4683 if (target
->endianness
== TARGET_ENDIAN_UNKNOWN
) {
4684 /* default endian to little if not specified */
4685 target
->endianness
= TARGET_LITTLE_ENDIAN
;
4688 /* incase variant is not set */
4689 if (!target
->variant
)
4690 target
->variant
= strdup("");
4692 cp
= Jim_GetString(new_cmd
, NULL
);
4693 target
->cmd_name
= strdup(cp
);
4695 /* create the target specific commands */
4696 if (target
->type
->commands
) {
4697 e
= register_commands(cmd_ctx
, NULL
, target
->type
->commands
);
4699 LOG_ERROR("unable to register '%s' commands", cp
);
4701 if (target
->type
->target_create
) {
4702 (*(target
->type
->target_create
))(target
, goi
->interp
);
4705 /* append to end of list */
4707 struct target
**tpp
;
4708 tpp
= &(all_targets
);
4710 tpp
= &((*tpp
)->next
);
4715 /* now - create the new target name command */
4716 const const struct command_registration target_subcommands
[] = {
4718 .chain
= target_instance_command_handlers
,
4721 .chain
= target
->type
->commands
,
4723 COMMAND_REGISTRATION_DONE
4725 const const struct command_registration target_commands
[] = {
4728 .mode
= COMMAND_ANY
,
4729 .help
= "target command group",
4730 .chain
= target_subcommands
,
4732 COMMAND_REGISTRATION_DONE
4734 e
= register_commands(cmd_ctx
, NULL
, target_commands
);
4738 struct command
*c
= command_find_in_context(cmd_ctx
, cp
);
4740 command_set_handler_data(c
, target
);
4742 return (ERROR_OK
== e
) ? JIM_OK
: JIM_ERR
;
4745 static int jim_target_current(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
4749 Jim_WrongNumArgs(interp
, 1, argv
, "Too many parameters");
4752 struct command_context
*cmd_ctx
= current_command_context(interp
);
4753 assert (cmd_ctx
!= NULL
);
4755 Jim_SetResultString(interp
, get_current_target(cmd_ctx
)->cmd_name
, -1);
4759 static int jim_target_types(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
4763 Jim_WrongNumArgs(interp
, 1, argv
, "Too many parameters");
4766 Jim_SetResult(interp
, Jim_NewListObj(interp
, NULL
, 0));
4767 for (unsigned x
= 0; NULL
!= target_types
[x
]; x
++)
4769 Jim_ListAppendElement(interp
, Jim_GetResult(interp
),
4770 Jim_NewStringObj(interp
, target_types
[x
]->name
, -1));
4775 static int jim_target_names(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
4779 Jim_WrongNumArgs(interp
, 1, argv
, "Too many parameters");
4782 Jim_SetResult(interp
, Jim_NewListObj(interp
, NULL
, 0));
4783 struct target
*target
= all_targets
;
4786 Jim_ListAppendElement(interp
, Jim_GetResult(interp
),
4787 Jim_NewStringObj(interp
, target_name(target
), -1));
4788 target
= target
->next
;
4793 static int jim_target_create(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
4796 Jim_GetOpt_Setup(&goi
, interp
, argc
- 1, argv
+ 1);
4799 Jim_WrongNumArgs(goi
.interp
, goi
.argc
, goi
.argv
,
4800 "<name> <target_type> [<target_options> ...]");
4803 return target_create(&goi
);
4806 static int jim_target_number(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
4809 Jim_GetOpt_Setup(&goi
, interp
, argc
- 1, argv
+ 1);
4811 /* It's OK to remove this mechanism sometime after August 2010 or so */
4812 LOG_WARNING("don't use numbers as target identifiers; use names");
4815 Jim_SetResult_sprintf(goi
.interp
, "usage: target number <number>");
4819 int e
= Jim_GetOpt_Wide(&goi
, &w
);
4823 struct target
*target
;
4824 for (target
= all_targets
; NULL
!= target
; target
= target
->next
)
4826 if (target
->target_number
!= w
)
4829 Jim_SetResultString(goi
.interp
, target_name(target
), -1);
4832 Jim_SetResult_sprintf(goi
.interp
,
4833 "Target: number %d does not exist", (int)(w
));
4837 static int jim_target_count(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
4841 Jim_WrongNumArgs(interp
, 1, argv
, "<no parameters>");
4845 struct target
*target
= all_targets
;
4846 while (NULL
!= target
)
4848 target
= target
->next
;
4851 Jim_SetResult(interp
, Jim_NewIntObj(interp
, count
));
4855 static const struct command_registration target_subcommand_handlers
[] = {
4858 .mode
= COMMAND_CONFIG
,
4859 .handler
= handle_target_init_command
,
4860 .help
= "initialize targets",
4864 /* REVISIT this should be COMMAND_CONFIG ... */
4865 .mode
= COMMAND_ANY
,
4866 .jim_handler
= jim_target_create
,
4867 .usage
= "name type '-chain-position' name [options ...]",
4868 .help
= "Creates and selects a new target",
4872 .mode
= COMMAND_ANY
,
4873 .jim_handler
= jim_target_current
,
4874 .help
= "Returns the currently selected target",
4878 .mode
= COMMAND_ANY
,
4879 .jim_handler
= jim_target_types
,
4880 .help
= "Returns the available target types as "
4881 "a list of strings",
4885 .mode
= COMMAND_ANY
,
4886 .jim_handler
= jim_target_names
,
4887 .help
= "Returns the names of all targets as a list of strings",
4891 .mode
= COMMAND_ANY
,
4892 .jim_handler
= jim_target_number
,
4894 .help
= "Returns the name of the numbered target "
4899 .mode
= COMMAND_ANY
,
4900 .jim_handler
= jim_target_count
,
4901 .help
= "Returns the number of targets as an integer "
4904 COMMAND_REGISTRATION_DONE
4915 static int fastload_num
;
4916 static struct FastLoad
*fastload
;
4918 static void free_fastload(void)
4920 if (fastload
!= NULL
)
4923 for (i
= 0; i
< fastload_num
; i
++)
4925 if (fastload
[i
].data
)
4926 free(fastload
[i
].data
);
4936 COMMAND_HANDLER(handle_fast_load_image_command
)
4940 uint32_t image_size
;
4941 uint32_t min_address
= 0;
4942 uint32_t max_address
= 0xffffffff;
4947 int retval
= CALL_COMMAND_HANDLER(parse_load_image_command_CMD_ARGV
,
4948 &image
, &min_address
, &max_address
);
4949 if (ERROR_OK
!= retval
)
4952 struct duration bench
;
4953 duration_start(&bench
);
4955 if (image_open(&image
, CMD_ARGV
[0], (CMD_ARGC
>= 3) ? CMD_ARGV
[2] : NULL
) != ERROR_OK
)
4962 fastload_num
= image
.num_sections
;
4963 fastload
= (struct FastLoad
*)malloc(sizeof(struct FastLoad
)*image
.num_sections
);
4964 if (fastload
== NULL
)
4966 image_close(&image
);
4969 memset(fastload
, 0, sizeof(struct FastLoad
)*image
.num_sections
);
4970 for (i
= 0; i
< image
.num_sections
; i
++)
4972 buffer
= malloc(image
.sections
[i
].size
);
4975 command_print(CMD_CTX
, "error allocating buffer for section (%d bytes)",
4976 (int)(image
.sections
[i
].size
));
4980 if ((retval
= image_read_section(&image
, i
, 0x0, image
.sections
[i
].size
, buffer
, &buf_cnt
)) != ERROR_OK
)
4986 uint32_t offset
= 0;
4987 uint32_t length
= buf_cnt
;
4990 /* DANGER!!! beware of unsigned comparision here!!! */
4992 if ((image
.sections
[i
].base_address
+ buf_cnt
>= min_address
)&&
4993 (image
.sections
[i
].base_address
< max_address
))
4995 if (image
.sections
[i
].base_address
< min_address
)
4997 /* clip addresses below */
4998 offset
+= min_address
-image
.sections
[i
].base_address
;
5002 if (image
.sections
[i
].base_address
+ buf_cnt
> max_address
)
5004 length
-= (image
.sections
[i
].base_address
+ buf_cnt
)-max_address
;
5007 fastload
[i
].address
= image
.sections
[i
].base_address
+ offset
;
5008 fastload
[i
].data
= malloc(length
);
5009 if (fastload
[i
].data
== NULL
)
5014 memcpy(fastload
[i
].data
, buffer
+ offset
, length
);
5015 fastload
[i
].length
= length
;
5017 image_size
+= length
;
5018 command_print(CMD_CTX
, "%u bytes written at address 0x%8.8x",
5019 (unsigned int)length
,
5020 ((unsigned int)(image
.sections
[i
].base_address
+ offset
)));
5026 if ((ERROR_OK
== retval
) && (duration_measure(&bench
) == ERROR_OK
))
5028 command_print(CMD_CTX
, "Loaded %" PRIu32
" bytes "
5029 "in %fs (%0.3f KiB/s)", image_size
,
5030 duration_elapsed(&bench
), duration_kbps(&bench
, image_size
));
5032 command_print(CMD_CTX
,
5033 "WARNING: image has not been loaded to target!"
5034 "You can issue a 'fast_load' to finish loading.");
5037 image_close(&image
);
5039 if (retval
!= ERROR_OK
)
5047 COMMAND_HANDLER(handle_fast_load_command
)
5050 return ERROR_COMMAND_SYNTAX_ERROR
;
5051 if (fastload
== NULL
)
5053 LOG_ERROR("No image in memory");
5057 int ms
= timeval_ms();
5059 int retval
= ERROR_OK
;
5060 for (i
= 0; i
< fastload_num
;i
++)
5062 struct target
*target
= get_current_target(CMD_CTX
);
5063 command_print(CMD_CTX
, "Write to 0x%08x, length 0x%08x",
5064 (unsigned int)(fastload
[i
].address
),
5065 (unsigned int)(fastload
[i
].length
));
5066 if (retval
== ERROR_OK
)
5068 retval
= target_write_buffer(target
, fastload
[i
].address
, fastload
[i
].length
, fastload
[i
].data
);
5070 size
+= fastload
[i
].length
;
5072 int after
= timeval_ms();
5073 command_print(CMD_CTX
, "Loaded image %f kBytes/s", (float)(size
/1024.0)/((float)(after
-ms
)/1000.0));
5077 static const struct command_registration target_command_handlers
[] = {
5080 .handler
= handle_targets_command
,
5081 .mode
= COMMAND_ANY
,
5082 .help
= "change current default target (one parameter) "
5083 "or prints table of all targets (no parameters)",
5084 .usage
= "[target]",
5088 .mode
= COMMAND_CONFIG
,
5089 .help
= "configure target",
5091 .chain
= target_subcommand_handlers
,
5093 COMMAND_REGISTRATION_DONE
5096 int target_register_commands(struct command_context
*cmd_ctx
)
5098 return register_commands(cmd_ctx
, NULL
, target_command_handlers
);
5101 static bool target_reset_nag
= true;
5103 bool get_target_reset_nag(void)
5105 return target_reset_nag
;
5108 COMMAND_HANDLER(handle_target_reset_nag
)
5110 return CALL_COMMAND_HANDLER(handle_command_parse_bool
,
5111 &target_reset_nag
, "Nag after each reset about options to improve "
5115 static const struct command_registration target_exec_command_handlers
[] = {
5117 .name
= "fast_load_image",
5118 .handler
= handle_fast_load_image_command
,
5119 .mode
= COMMAND_ANY
,
5120 .help
= "Load image into server memory for later use by "
5121 "fast_load; primarily for profiling",
5122 .usage
= "filename address ['bin'|'ihex'|'elf'|'s19'] "
5123 "[min_address [max_length]]",
5126 .name
= "fast_load",
5127 .handler
= handle_fast_load_command
,
5128 .mode
= COMMAND_EXEC
,
5129 .help
= "loads active fast load image to current target "
5130 "- mainly for profiling purposes",
5134 .handler
= handle_profile_command
,
5135 .mode
= COMMAND_EXEC
,
5136 .help
= "profiling samples the CPU PC",
5138 /** @todo don't register virt2phys() unless target supports it */
5140 .name
= "virt2phys",
5141 .handler
= handle_virt2phys_command
,
5142 .mode
= COMMAND_ANY
,
5143 .help
= "translate a virtual address into a physical address",
5144 .usage
= "virtual_address",
5148 .handler
= handle_reg_command
,
5149 .mode
= COMMAND_EXEC
,
5150 .help
= "display or set a register; with no arguments, "
5151 "displays all registers and their values",
5152 .usage
= "[(register_name|register_number) [value]]",
5156 .handler
= handle_poll_command
,
5157 .mode
= COMMAND_EXEC
,
5158 .help
= "poll target state; or reconfigure background polling",
5159 .usage
= "['on'|'off']",
5162 .name
= "wait_halt",
5163 .handler
= handle_wait_halt_command
,
5164 .mode
= COMMAND_EXEC
,
5165 .help
= "wait up to the specified number of milliseconds "
5166 "(default 5) for a previously requested halt",
5167 .usage
= "[milliseconds]",
5171 .handler
= handle_halt_command
,
5172 .mode
= COMMAND_EXEC
,
5173 .help
= "request target to halt, then wait up to the specified"
5174 "number of milliseconds (default 5) for it to complete",
5175 .usage
= "[milliseconds]",
5179 .handler
= handle_resume_command
,
5180 .mode
= COMMAND_EXEC
,
5181 .help
= "resume target execution from current PC or address",
5182 .usage
= "[address]",
5186 .handler
= handle_reset_command
,
5187 .mode
= COMMAND_EXEC
,
5188 .usage
= "[run|halt|init]",
5189 .help
= "Reset all targets into the specified mode."
5190 "Default reset mode is run, if not given.",
5193 .name
= "soft_reset_halt",
5194 .handler
= handle_soft_reset_halt_command
,
5195 .mode
= COMMAND_EXEC
,
5196 .help
= "halt the target and do a soft reset",
5200 .handler
= handle_step_command
,
5201 .mode
= COMMAND_EXEC
,
5202 .help
= "step one instruction from current PC or address",
5203 .usage
= "[address]",
5207 .handler
= handle_md_command
,
5208 .mode
= COMMAND_EXEC
,
5209 .help
= "display memory words",
5210 .usage
= "['phys'] address [count]",
5214 .handler
= handle_md_command
,
5215 .mode
= COMMAND_EXEC
,
5216 .help
= "display memory half-words",
5217 .usage
= "['phys'] address [count]",
5221 .handler
= handle_md_command
,
5222 .mode
= COMMAND_EXEC
,
5223 .help
= "display memory bytes",
5224 .usage
= "['phys'] address [count]",
5228 .handler
= handle_mw_command
,
5229 .mode
= COMMAND_EXEC
,
5230 .help
= "write memory word",
5231 .usage
= "['phys'] address value [count]",
5235 .handler
= handle_mw_command
,
5236 .mode
= COMMAND_EXEC
,
5237 .help
= "write memory half-word",
5238 .usage
= "['phys'] address value [count]",
5242 .handler
= handle_mw_command
,
5243 .mode
= COMMAND_EXEC
,
5244 .help
= "write memory byte",
5245 .usage
= "['phys'] address value [count]",
5249 .handler
= handle_bp_command
,
5250 .mode
= COMMAND_EXEC
,
5251 .help
= "list or set hardware or software breakpoint",
5252 .usage
= "[address length ['hw']]",
5256 .handler
= handle_rbp_command
,
5257 .mode
= COMMAND_EXEC
,
5258 .help
= "remove breakpoint",
5263 .handler
= handle_wp_command
,
5264 .mode
= COMMAND_EXEC
,
5265 .help
= "list (no params) or create watchpoints",
5266 .usage
= "[address length [('r'|'w'|'a') value [mask]]]",
5270 .handler
= handle_rwp_command
,
5271 .mode
= COMMAND_EXEC
,
5272 .help
= "remove watchpoint",
5276 .name
= "load_image",
5277 .handler
= handle_load_image_command
,
5278 .mode
= COMMAND_EXEC
,
5279 .usage
= "filename address ['bin'|'ihex'|'elf'|'s19'] "
5280 "[min_address] [max_length]",
5283 .name
= "dump_image",
5284 .handler
= handle_dump_image_command
,
5285 .mode
= COMMAND_EXEC
,
5286 .usage
= "filename address size",
5289 .name
= "verify_image",
5290 .handler
= handle_verify_image_command
,
5291 .mode
= COMMAND_EXEC
,
5292 .usage
= "filename [offset [type]]",
5295 .name
= "test_image",
5296 .handler
= handle_test_image_command
,
5297 .mode
= COMMAND_EXEC
,
5298 .usage
= "filename [offset [type]]",
5301 .name
= "mem2array",
5302 .mode
= COMMAND_EXEC
,
5303 .jim_handler
= jim_mem2array
,
5304 .help
= "read 8/16/32 bit memory and return as a TCL array "
5305 "for script processing",
5306 .usage
= "arrayname bitwidth address count",
5309 .name
= "array2mem",
5310 .mode
= COMMAND_EXEC
,
5311 .jim_handler
= jim_array2mem
,
5312 .help
= "convert a TCL array to memory locations "
5313 "and write the 8/16/32 bit values",
5314 .usage
= "arrayname bitwidth address count",
5317 .name
= "reset_nag",
5318 .handler
= handle_target_reset_nag
,
5319 .mode
= COMMAND_ANY
,
5320 .help
= "Nag after each reset about options that could have been "
5321 "enabled to improve performance. ",
5322 .usage
= "['enable'|'disable']",
5324 COMMAND_REGISTRATION_DONE
5326 static int target_register_user_commands(struct command_context
*cmd_ctx
)
5328 int retval
= ERROR_OK
;
5329 if ((retval
= target_request_register_commands(cmd_ctx
)) != ERROR_OK
)
5332 if ((retval
= trace_register_commands(cmd_ctx
)) != ERROR_OK
)
5336 return register_commands(cmd_ctx
, NULL
, target_exec_command_handlers
);