1// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
2/*******************************************************************************
3 *
4 * Module Name: dbinput - user front-end to the AML debugger
5 *
6 ******************************************************************************/
7
8#include <acpi/acpi.h>
9#include "accommon.h"
10#include "acdebug.h"
11
12#ifdef ACPI_APPLICATION
13#include "acapps.h"
14#endif
15
16#define _COMPONENT ACPI_CA_DEBUGGER
17ACPI_MODULE_NAME("dbinput")
18
19/* Local prototypes */
20static u32 acpi_db_get_line(char *input_buffer);
21
22static u32 acpi_db_match_command(char *user_command);
23
24static void acpi_db_display_command_info(const char *command, u8 display_all);
25
26static void acpi_db_display_help(char *command);
27
28static u8
29acpi_db_match_command_help(const char *command,
30 const struct acpi_db_command_help *help);
31
32/*
33 * Top-level debugger commands.
34 *
35 * This list of commands must match the string table below it
36 */
37enum acpi_ex_debugger_commands {
38 CMD_NOT_FOUND = 0,
39 CMD_NULL,
40 CMD_ALL,
41 CMD_ALLOCATIONS,
42 CMD_ARGS,
43 CMD_ARGUMENTS,
44 CMD_BREAKPOINT,
45 CMD_BUSINFO,
46 CMD_CALL,
47 CMD_DEBUG,
48 CMD_DISASSEMBLE,
49 CMD_DISASM,
50 CMD_DUMP,
51 CMD_EVALUATE,
52 CMD_EXECUTE,
53 CMD_EXIT,
54 CMD_FIELDS,
55 CMD_FIND,
56 CMD_GO,
57 CMD_HANDLERS,
58 CMD_HELP,
59 CMD_HELP2,
60 CMD_HISTORY,
61 CMD_HISTORY_EXE,
62 CMD_HISTORY_LAST,
63 CMD_INFORMATION,
64 CMD_INTEGRITY,
65 CMD_INTO,
66 CMD_LEVEL,
67 CMD_LIST,
68 CMD_LOCALS,
69 CMD_LOCKS,
70 CMD_METHODS,
71 CMD_NAMESPACE,
72 CMD_NOTIFY,
73 CMD_OBJECTS,
74 CMD_OSI,
75 CMD_OWNER,
76 CMD_PATHS,
77 CMD_PREDEFINED,
78 CMD_PREFIX,
79 CMD_QUIT,
80 CMD_REFERENCES,
81 CMD_RESOURCES,
82 CMD_RESULTS,
83 CMD_SET,
84 CMD_STATS,
85 CMD_STOP,
86 CMD_TABLES,
87 CMD_TEMPLATE,
88 CMD_TRACE,
89 CMD_TREE,
90 CMD_TYPE,
91#ifdef ACPI_APPLICATION
92 CMD_ENABLEACPI,
93 CMD_EVENT,
94 CMD_GPE,
95 CMD_GPES,
96 CMD_SCI,
97 CMD_SLEEP,
98
99 CMD_CLOSE,
100 CMD_LOAD,
101 CMD_OPEN,
102 CMD_UNLOAD,
103
104 CMD_TERMINATE,
105 CMD_BACKGROUND,
106 CMD_THREADS,
107
108 CMD_TEST,
109 CMD_INTERRUPT,
110#endif
111};
112
113#define CMD_FIRST_VALID 2
114
115/* Second parameter is the required argument count */
116
117static const struct acpi_db_command_info acpi_gbl_db_commands[] = {
118 {"<NOT FOUND>", 0},
119 {"<NULL>", 0},
120 {"ALL", 1},
121 {"ALLOCATIONS", 0},
122 {"ARGS", 0},
123 {"ARGUMENTS", 0},
124 {"BREAKPOINT", 1},
125 {"BUSINFO", 0},
126 {"CALL", 0},
127 {"DEBUG", 1},
128 {"DISASSEMBLE", 1},
129 {"DISASM", 1},
130 {"DUMP", 1},
131 {"EVALUATE", 1},
132 {"EXECUTE", 1},
133 {"EXIT", 0},
134 {"FIELDS", 1},
135 {"FIND", 1},
136 {"GO", 0},
137 {"HANDLERS", 0},
138 {"HELP", 0},
139 {"?", 0},
140 {"HISTORY", 0},
141 {"!", 1},
142 {"!!", 0},
143 {"INFORMATION", 0},
144 {"INTEGRITY", 0},
145 {"INTO", 0},
146 {"LEVEL", 0},
147 {"LIST", 0},
148 {"LOCALS", 0},
149 {"LOCKS", 0},
150 {"METHODS", 0},
151 {"NAMESPACE", 0},
152 {"NOTIFY", 2},
153 {"OBJECTS", 0},
154 {"OSI", 0},
155 {"OWNER", 1},
156 {"PATHS", 0},
157 {"PREDEFINED", 0},
158 {"PREFIX", 0},
159 {"QUIT", 0},
160 {"REFERENCES", 1},
161 {"RESOURCES", 0},
162 {"RESULTS", 0},
163 {"SET", 3},
164 {"STATS", 1},
165 {"STOP", 0},
166 {"TABLES", 0},
167 {"TEMPLATE", 1},
168 {"TRACE", 1},
169 {"TREE", 0},
170 {"TYPE", 1},
171#ifdef ACPI_APPLICATION
172 {"ENABLEACPI", 0},
173 {"EVENT", 1},
174 {"GPE", 1},
175 {"GPES", 0},
176 {"SCI", 0},
177 {"SLEEP", 0},
178
179 {"CLOSE", 0},
180 {"LOAD", 1},
181 {"OPEN", 1},
182 {"UNLOAD", 1},
183
184 {"TERMINATE", 0},
185 {"BACKGROUND", 1},
186 {"THREADS", 3},
187
188 {"TEST", 1},
189 {"INTERRUPT", 1},
190#endif
191 {NULL, 0}
192};
193
194/*
195 * Help for all debugger commands. First argument is the number of lines
196 * of help to output for the command.
197 *
198 * Note: Some commands are not supported by the kernel-level version of
199 * the debugger.
200 */
201static const struct acpi_db_command_help acpi_gbl_db_command_help[] = {
202 {0, "\nNamespace Access:", "\n"},
203 {1, " Businfo", "Display system bus info\n"},
204 {1, " Disassemble <Method>", "Disassemble a control method\n"},
205 {1, " Find <AcpiName> (? is wildcard)",
206 "Find ACPI name(s) with wildcards\n"},
207 {1, " Integrity", "Validate namespace integrity\n"},
208 {1, " Methods", "Display list of loaded control methods\n"},
209 {1, " Fields <AddressSpaceId>",
210 "Display list of loaded field units by space ID\n"},
211 {1, " Namespace [Object] [Depth]",
212 "Display loaded namespace tree/subtree\n"},
213 {1, " Notify <Object> <Value>", "Send a notification on Object\n"},
214 {1, " Objects [ObjectType]",
215 "Display summary of all objects or just given type\n"},
216 {1, " Owner <OwnerId> [Depth]",
217 "Display loaded namespace by object owner\n"},
218 {1, " Paths", "Display full pathnames of namespace objects\n"},
219 {1, " Predefined", "Check all predefined names\n"},
220 {1, " Prefix [<Namepath>]", "Set or Get current execution prefix\n"},
221 {1, " References <Addr>", "Find all references to object at addr\n"},
222 {1, " Resources [DeviceName]",
223 "Display Device resources (no arg = all devices)\n"},
224 {1, " Set N <NamedObject> <Value>", "Set value for named integer\n"},
225 {1, " Template <Object>", "Format/dump a Buffer/ResourceTemplate\n"},
226 {1, " Type <Object>", "Display object type\n"},
227
228 {0, "\nControl Method Execution:", "\n"},
229 {1, " All <NameSeg>", "Evaluate all objects named NameSeg\n"},
230 {1, " Evaluate <Namepath> [Arguments]",
231 "Evaluate object or control method\n"},
232 {1, " Execute <Namepath> [Arguments]", "Synonym for Evaluate\n"},
233#ifdef ACPI_APPLICATION
234 {1, " Background <Namepath> [Arguments]",
235 "Evaluate object/method in a separate thread\n"},
236 {1, " Thread <Threads><Loops><NamePath>",
237 "Spawn threads to execute method(s)\n"},
238#endif
239 {1, " Debug <Namepath> [Arguments]", "Single-Step a control method\n"},
240 {7, " [Arguments] formats:", "Control method argument formats\n"},
241 {1, " Hex Integer", "Integer\n"},
242 {1, " \"Ascii String\"", "String\n"},
243 {1, " (Hex Byte List)", "Buffer\n"},
244 {1, " (01 42 7A BF)", "Buffer example (4 bytes)\n"},
245 {1, " [Package Element List]", "Package\n"},
246 {1, " [0x01 0x1234 \"string\"]",
247 "Package example (3 elements)\n"},
248
249 {0, "\nMiscellaneous:", "\n"},
250 {1, " Allocations", "Display list of current memory allocations\n"},
251 {2, " Dump <Address>|<Namepath>", "\n"},
252 {0, " [Byte|Word|Dword|Qword]",
253 "Display ACPI objects or memory\n"},
254 {1, " Handlers", "Info about global handlers\n"},
255 {1, " Help [Command]", "This help screen or individual command\n"},
256 {1, " History", "Display command history buffer\n"},
257 {1, " Level <DebugLevel>] [console]",
258 "Get/Set debug level for file or console\n"},
259 {1, " Locks", "Current status of internal mutexes\n"},
260 {1, " Osi [Install|Remove <name>]",
261 "Display or modify global _OSI list\n"},
262 {1, " Quit or Exit", "Exit this command\n"},
263 {8, " Stats <SubCommand>",
264 "Display namespace and memory statistics\n"},
265 {1, " Allocations", "Display list of current memory allocations\n"},
266 {1, " Memory", "Dump internal memory lists\n"},
267 {1, " Misc", "Namespace search and mutex stats\n"},
268 {1, " Objects", "Summary of namespace objects\n"},
269 {1, " Sizes", "Sizes for each of the internal objects\n"},
270 {1, " Stack", "Display CPU stack usage\n"},
271 {1, " Tables", "Info about current ACPI table(s)\n"},
272 {1, " Tables", "Display info about loaded ACPI tables\n"},
273#ifdef ACPI_APPLICATION
274 {1, " Terminate", "Delete namespace and all internal objects\n"},
275#endif
276 {1, " ! <CommandNumber>", "Execute command from history buffer\n"},
277 {1, " !!", "Execute last command again\n"},
278
279 {0, "\nMethod and Namespace Debugging:", "\n"},
280 {5, " Trace <State> [<Namepath>] [Once]",
281 "Trace control method execution\n"},
282 {1, " Enable", "Enable all messages\n"},
283 {1, " Disable", "Disable tracing\n"},
284 {1, " Method", "Enable method execution messages\n"},
285 {1, " Opcode", "Enable opcode execution messages\n"},
286 {3, " Test <TestName>", "Invoke a debug test\n"},
287 {1, " Objects", "Read/write/compare all namespace data objects\n"},
288 {1, " Predefined",
289 "Validate all ACPI predefined names (_STA, etc.)\n"},
290 {1, " Execute predefined",
291 "Execute all predefined (public) methods\n"},
292
293 {0, "\nControl Method Single-Step Execution:", "\n"},
294 {1, " Arguments (or Args)", "Display method arguments\n"},
295 {1, " Breakpoint <AmlOffset>", "Set an AML execution breakpoint\n"},
296 {1, " Call", "Run to next control method invocation\n"},
297 {1, " Go", "Allow method to run to completion\n"},
298 {1, " Information", "Display info about the current method\n"},
299 {1, " Into", "Step into (not over) a method call\n"},
300 {1, " List [# of Aml Opcodes]", "Display method ASL statements\n"},
301 {1, " Locals", "Display method local variables\n"},
302 {1, " Results", "Display method result stack\n"},
303 {1, " Set <A|L> <#> <Value>", "Set method data (Arguments/Locals)\n"},
304 {1, " Stop", "Terminate control method\n"},
305 {1, " Tree", "Display control method calling tree\n"},
306 {1, " <Enter>", "Single step next AML opcode (over calls)\n"},
307
308#ifdef ACPI_APPLICATION
309 {0, "\nFile Operations:", "\n"},
310 {1, " Close", "Close debug output file\n"},
311 {1, " Load <Input Filename>", "Load ACPI table from a file\n"},
312 {1, " Open <Output Filename>", "Open a file for debug output\n"},
313 {1, " Unload <Namepath>",
314 "Unload an ACPI table via namespace object\n"},
315
316 {0, "\nHardware Simulation:", "\n"},
317 {1, " EnableAcpi", "Enable ACPI (hardware) mode\n"},
318 {1, " Event <F|G> <Value>", "Generate AcpiEvent (Fixed/GPE)\n"},
319 {1, " Gpe <GpeNum> [GpeBlockDevice]", "Simulate a GPE\n"},
320 {1, " Gpes", "Display info on all GPE devices\n"},
321 {1, " Sci", "Generate an SCI\n"},
322 {1, " Sleep [SleepState]", "Simulate sleep/wake sequence(s) (0-5)\n"},
323 {1, " Interrupt <GSIV>", "Simulate an interrupt\n"},
324#endif
325 {0, NULL, NULL}
326};
327
328/*******************************************************************************
329 *
330 * FUNCTION: acpi_db_match_command_help
331 *
332 * PARAMETERS: command - Command string to match
333 * help - Help table entry to attempt match
334 *
335 * RETURN: TRUE if command matched, FALSE otherwise
336 *
337 * DESCRIPTION: Attempt to match a command in the help table in order to
338 * print help information for a single command.
339 *
340 ******************************************************************************/
341
342static u8
343acpi_db_match_command_help(const char *command,
344 const struct acpi_db_command_help *help)
345{
346 char *invocation = help->invocation;
347 u32 line_count;
348
349 /* Valid commands in the help table begin with a couple of spaces */
350
351 if (*invocation != ' ') {
352 return (FALSE);
353 }
354
355 while (*invocation == ' ') {
356 invocation++;
357 }
358
359 /* Match command name (full command or substring) */
360
361 while ((*command) && (*invocation) && (*invocation != ' ')) {
362 if (tolower((int)*command) != tolower((int)*invocation)) {
363 return (FALSE);
364 }
365
366 invocation++;
367 command++;
368 }
369
370 /* Print the appropriate number of help lines */
371
372 line_count = help->line_count;
373 while (line_count) {
374 acpi_os_printf(format: "%-38s : %s", help->invocation,
375 help->description);
376 help++;
377 line_count--;
378 }
379
380 return (TRUE);
381}
382
383/*******************************************************************************
384 *
385 * FUNCTION: acpi_db_display_command_info
386 *
387 * PARAMETERS: command - Command string to match
388 * display_all - Display all matching commands, or just
389 * the first one (substring match)
390 *
391 * RETURN: None
392 *
393 * DESCRIPTION: Display help information for a Debugger command.
394 *
395 ******************************************************************************/
396
397static void acpi_db_display_command_info(const char *command, u8 display_all)
398{
399 const struct acpi_db_command_help *next;
400 u8 matched;
401
402 next = acpi_gbl_db_command_help;
403 while (next->invocation) {
404 matched = acpi_db_match_command_help(command, help: next);
405 if (!display_all && matched) {
406 return;
407 }
408
409 next++;
410 }
411}
412
413/*******************************************************************************
414 *
415 * FUNCTION: acpi_db_display_help
416 *
417 * PARAMETERS: command - Optional command string to display help.
418 * if not specified, all debugger command
419 * help strings are displayed
420 *
421 * RETURN: None
422 *
423 * DESCRIPTION: Display help for a single debugger command, or all of them.
424 *
425 ******************************************************************************/
426
427static void acpi_db_display_help(char *command)
428{
429 const struct acpi_db_command_help *next = acpi_gbl_db_command_help;
430
431 if (!command) {
432
433 /* No argument to help, display help for all commands */
434
435 acpi_os_printf(format: "\nSummary of AML Debugger Commands\n\n");
436
437 while (next->invocation) {
438 acpi_os_printf(format: "%-38s%s", next->invocation,
439 next->description);
440 next++;
441 }
442 acpi_os_printf(format: "\n");
443
444 } else {
445 /* Display help for all commands that match the substring */
446
447 acpi_db_display_command_info(command, TRUE);
448 }
449}
450
451/*******************************************************************************
452 *
453 * FUNCTION: acpi_db_get_next_token
454 *
455 * PARAMETERS: string - Command buffer
456 * next - Return value, end of next token
457 *
458 * RETURN: Pointer to the start of the next token.
459 *
460 * DESCRIPTION: Command line parsing. Get the next token on the command line
461 *
462 ******************************************************************************/
463
464char *acpi_db_get_next_token(char *string,
465 char **next, acpi_object_type *return_type)
466{
467 char *start;
468 u32 depth;
469 acpi_object_type type = ACPI_TYPE_INTEGER;
470
471 /* At end of buffer? */
472
473 if (!string || !(*string)) {
474 return (NULL);
475 }
476
477 /* Remove any spaces at the beginning, ignore blank lines */
478
479 while (*string && isspace((int)*string)) {
480 string++;
481 }
482
483 if (!(*string)) {
484 return (NULL);
485 }
486
487 switch (*string) {
488 case '"':
489
490 /* This is a quoted string, scan until closing quote */
491
492 string++;
493 start = string;
494 type = ACPI_TYPE_STRING;
495
496 /* Find end of string */
497
498 while (*string && (*string != '"')) {
499 string++;
500 }
501 break;
502
503 case '(':
504
505 /* This is the start of a buffer, scan until closing paren */
506
507 string++;
508 start = string;
509 type = ACPI_TYPE_BUFFER;
510
511 /* Find end of buffer */
512
513 while (*string && (*string != ')')) {
514 string++;
515 }
516 break;
517
518 case '{':
519
520 /* This is the start of a field unit, scan until closing brace */
521
522 string++;
523 start = string;
524 type = ACPI_TYPE_FIELD_UNIT;
525
526 /* Find end of buffer */
527
528 while (*string && (*string != '}')) {
529 string++;
530 }
531 break;
532
533 case '[':
534
535 /* This is the start of a package, scan until closing bracket */
536
537 string++;
538 depth = 1;
539 start = string;
540 type = ACPI_TYPE_PACKAGE;
541
542 /* Find end of package (closing bracket) */
543
544 while (*string) {
545
546 /* Handle String package elements */
547
548 if (*string == '"') {
549 /* Find end of string */
550
551 string++;
552 while (*string && (*string != '"')) {
553 string++;
554 }
555 if (!(*string)) {
556 break;
557 }
558 } else if (*string == '[') {
559 depth++; /* A nested package declaration */
560 } else if (*string == ']') {
561 depth--;
562 if (depth == 0) { /* Found final package closing bracket */
563 break;
564 }
565 }
566
567 string++;
568 }
569 break;
570
571 default:
572
573 start = string;
574
575 /* Find end of token */
576
577 while (*string && !isspace((int)*string)) {
578 string++;
579 }
580 break;
581 }
582
583 if (!(*string)) {
584 *next = NULL;
585 } else {
586 *string = 0;
587 *next = string + 1;
588 }
589
590 *return_type = type;
591 return (start);
592}
593
594/*******************************************************************************
595 *
596 * FUNCTION: acpi_db_get_line
597 *
598 * PARAMETERS: input_buffer - Command line buffer
599 *
600 * RETURN: Count of arguments to the command
601 *
602 * DESCRIPTION: Get the next command line from the user. Gets entire line
603 * up to the next newline
604 *
605 ******************************************************************************/
606
607static u32 acpi_db_get_line(char *input_buffer)
608{
609 u32 i;
610 u32 count;
611 char *next;
612 char *this;
613
614 if (acpi_ut_safe_strcpy
615 (dest: acpi_gbl_db_parsed_buf, dest_size: sizeof(acpi_gbl_db_parsed_buf),
616 source: input_buffer)) {
617 acpi_os_printf
618 (format: "Buffer overflow while parsing input line (max %u characters)\n",
619 (u32)sizeof(acpi_gbl_db_parsed_buf));
620 return (0);
621 }
622
623 this = acpi_gbl_db_parsed_buf;
624 for (i = 0; i < ACPI_DEBUGGER_MAX_ARGS; i++) {
625 acpi_gbl_db_args[i] = acpi_db_get_next_token(string: this, next: &next,
626 return_type: &acpi_gbl_db_arg_types
627 [i]);
628 if (!acpi_gbl_db_args[i]) {
629 break;
630 }
631
632 this = next;
633 }
634
635 /* Uppercase the actual command */
636
637 acpi_ut_strupr(src_string: acpi_gbl_db_args[0]);
638
639 count = i;
640 if (count) {
641 count--; /* Number of args only */
642 }
643
644 return (count);
645}
646
647/*******************************************************************************
648 *
649 * FUNCTION: acpi_db_match_command
650 *
651 * PARAMETERS: user_command - User command line
652 *
653 * RETURN: Index into command array, -1 if not found
654 *
655 * DESCRIPTION: Search command array for a command match
656 *
657 ******************************************************************************/
658
659static u32 acpi_db_match_command(char *user_command)
660{
661 u32 i;
662
663 if (!user_command || user_command[0] == 0) {
664 return (CMD_NULL);
665 }
666
667 for (i = CMD_FIRST_VALID; acpi_gbl_db_commands[i].name; i++) {
668 if (strstr
669 (ACPI_CAST_PTR(char, acpi_gbl_db_commands[i].name),
670 user_command) == acpi_gbl_db_commands[i].name) {
671 return (i);
672 }
673 }
674
675 /* Command not recognized */
676
677 return (CMD_NOT_FOUND);
678}
679
680/*******************************************************************************
681 *
682 * FUNCTION: acpi_db_command_dispatch
683 *
684 * PARAMETERS: input_buffer - Command line buffer
685 * walk_state - Current walk
686 * op - Current (executing) parse op
687 *
688 * RETURN: Status
689 *
690 * DESCRIPTION: Command dispatcher.
691 *
692 ******************************************************************************/
693
694acpi_status
695acpi_db_command_dispatch(char *input_buffer,
696 struct acpi_walk_state *walk_state,
697 union acpi_parse_object *op)
698{
699 u32 temp;
700 u64 temp64;
701 u32 command_index;
702 u32 param_count;
703 char *command_line;
704 acpi_status status = AE_CTRL_TRUE;
705
706 /* If acpi_terminate has been called, terminate this thread */
707
708 if (acpi_gbl_db_terminate_loop) {
709 return (AE_CTRL_TERMINATE);
710 }
711
712 /* Find command and add to the history buffer */
713
714 param_count = acpi_db_get_line(input_buffer);
715 command_index = acpi_db_match_command(user_command: acpi_gbl_db_args[0]);
716
717 /*
718 * We don't want to add the !! command to the history buffer. It
719 * would cause an infinite loop because it would always be the
720 * previous command.
721 */
722 if (command_index != CMD_HISTORY_LAST) {
723 acpi_db_add_to_history(command_line: input_buffer);
724 }
725
726 /* Verify that we have the minimum number of params */
727
728 if (param_count < acpi_gbl_db_commands[command_index].min_args) {
729 acpi_os_printf
730 (format: "%u parameters entered, [%s] requires %u parameters\n",
731 param_count, acpi_gbl_db_commands[command_index].name,
732 acpi_gbl_db_commands[command_index].min_args);
733
734 acpi_db_display_command_info(command: acpi_gbl_db_commands
735 [command_index].name, FALSE);
736 return (AE_CTRL_TRUE);
737 }
738
739 /* Decode and dispatch the command */
740
741 switch (command_index) {
742 case CMD_NULL:
743
744 if (op) {
745 return (AE_OK);
746 }
747 break;
748
749 case CMD_ALL:
750
751 acpi_os_printf(format: "Executing all objects with NameSeg: %s\n",
752 acpi_gbl_db_args[1]);
753 acpi_db_execute(name: acpi_gbl_db_args[1], args: &acpi_gbl_db_args[2],
754 types: &acpi_gbl_db_arg_types[2],
755 EX_NO_SINGLE_STEP | EX_ALL);
756 break;
757
758 case CMD_ALLOCATIONS:
759
760#ifdef ACPI_DBG_TRACK_ALLOCATIONS
761 acpi_ut_dump_allocations((u32)-1, NULL);
762#endif
763 break;
764
765 case CMD_ARGS:
766 case CMD_ARGUMENTS:
767
768 acpi_db_display_arguments();
769 break;
770
771 case CMD_BREAKPOINT:
772
773 acpi_db_set_method_breakpoint(location: acpi_gbl_db_args[1], walk_state,
774 op);
775 break;
776
777 case CMD_BUSINFO:
778
779 acpi_db_get_bus_info();
780 break;
781
782 case CMD_CALL:
783
784 acpi_db_set_method_call_breakpoint(op);
785 status = AE_OK;
786 break;
787
788 case CMD_DEBUG:
789
790 acpi_db_execute(name: acpi_gbl_db_args[1],
791 args: &acpi_gbl_db_args[2], types: &acpi_gbl_db_arg_types[2],
792 EX_SINGLE_STEP);
793 break;
794
795 case CMD_DISASSEMBLE:
796 case CMD_DISASM:
797
798#ifdef ACPI_DISASSEMBLER
799 (void)acpi_db_disassemble_method(acpi_gbl_db_args[1]);
800#else
801 acpi_os_printf
802 (format: "The AML Disassembler is not configured/present\n");
803#endif
804 break;
805
806 case CMD_DUMP:
807
808 acpi_db_decode_and_display_object(target: acpi_gbl_db_args[1],
809 output_type: acpi_gbl_db_args[2]);
810 break;
811
812 case CMD_EVALUATE:
813 case CMD_EXECUTE:
814
815 acpi_db_execute(name: acpi_gbl_db_args[1],
816 args: &acpi_gbl_db_args[2], types: &acpi_gbl_db_arg_types[2],
817 EX_NO_SINGLE_STEP);
818 break;
819
820 case CMD_FIND:
821
822 status = acpi_db_find_name_in_namespace(name_arg: acpi_gbl_db_args[1]);
823 break;
824
825 case CMD_FIELDS:
826
827 status = acpi_ut_strtoul64(string: acpi_gbl_db_args[1], ret_integer: &temp64);
828
829 if (ACPI_FAILURE(status)
830 || temp64 >= ACPI_NUM_PREDEFINED_REGIONS) {
831 acpi_os_printf
832 (format: "Invalid address space ID: must be between 0 and %u inclusive\n",
833 ACPI_NUM_PREDEFINED_REGIONS - 1);
834 return (AE_OK);
835 }
836
837 status = acpi_db_display_fields(address_space_id: (u32)temp64);
838 break;
839
840 case CMD_GO:
841
842 acpi_gbl_cm_single_step = FALSE;
843 return (AE_OK);
844
845 case CMD_HANDLERS:
846
847 acpi_db_display_handlers();
848 break;
849
850 case CMD_HELP:
851 case CMD_HELP2:
852
853 acpi_db_display_help(command: acpi_gbl_db_args[1]);
854 break;
855
856 case CMD_HISTORY:
857
858 acpi_db_display_history();
859 break;
860
861 case CMD_HISTORY_EXE: /* ! command */
862
863 command_line = acpi_db_get_from_history(command_num_arg: acpi_gbl_db_args[1]);
864 if (!command_line) {
865 return (AE_CTRL_TRUE);
866 }
867
868 status = acpi_db_command_dispatch(input_buffer: command_line, walk_state, op);
869 return (status);
870
871 case CMD_HISTORY_LAST: /* !! command */
872
873 command_line = acpi_db_get_from_history(NULL);
874 if (!command_line) {
875 return (AE_CTRL_TRUE);
876 }
877
878 status = acpi_db_command_dispatch(input_buffer: command_line, walk_state, op);
879 return (status);
880
881 case CMD_INFORMATION:
882
883 acpi_db_display_method_info(op);
884 break;
885
886 case CMD_INTEGRITY:
887
888 acpi_db_check_integrity();
889 break;
890
891 case CMD_INTO:
892
893 if (op) {
894 acpi_gbl_cm_single_step = TRUE;
895 return (AE_OK);
896 }
897 break;
898
899 case CMD_LEVEL:
900
901 if (param_count == 0) {
902 acpi_os_printf
903 (format: "Current debug level for file output is: %8.8X\n",
904 acpi_gbl_db_debug_level);
905 acpi_os_printf
906 (format: "Current debug level for console output is: %8.8X\n",
907 acpi_gbl_db_console_debug_level);
908 } else if (param_count == 2) {
909 temp = acpi_gbl_db_console_debug_level;
910 acpi_gbl_db_console_debug_level =
911 strtoul(acpi_gbl_db_args[1], NULL, 16);
912 acpi_os_printf
913 (format: "Debug Level for console output was %8.8X, now %8.8X\n",
914 temp, acpi_gbl_db_console_debug_level);
915 } else {
916 temp = acpi_gbl_db_debug_level;
917 acpi_gbl_db_debug_level =
918 strtoul(acpi_gbl_db_args[1], NULL, 16);
919 acpi_os_printf
920 (format: "Debug Level for file output was %8.8X, now %8.8X\n",
921 temp, acpi_gbl_db_debug_level);
922 }
923 break;
924
925 case CMD_LIST:
926
927#ifdef ACPI_DISASSEMBLER
928 acpi_db_disassemble_aml(acpi_gbl_db_args[1], op);
929#else
930 acpi_os_printf
931 (format: "The AML Disassembler is not configured/present\n");
932#endif
933 break;
934
935 case CMD_LOCKS:
936
937 acpi_db_display_locks();
938 break;
939
940 case CMD_LOCALS:
941
942 acpi_db_display_locals();
943 break;
944
945 case CMD_METHODS:
946
947 status = acpi_db_display_objects(obj_type_arg: "METHOD", display_count_arg: acpi_gbl_db_args[1]);
948 break;
949
950 case CMD_NAMESPACE:
951
952 acpi_db_dump_namespace(start_arg: acpi_gbl_db_args[1],
953 depth_arg: acpi_gbl_db_args[2]);
954 break;
955
956 case CMD_NOTIFY:
957
958 temp = strtoul(acpi_gbl_db_args[2], NULL, 0);
959 acpi_db_send_notify(name: acpi_gbl_db_args[1], value: temp);
960 break;
961
962 case CMD_OBJECTS:
963
964 acpi_ut_strupr(src_string: acpi_gbl_db_args[1]);
965 status =
966 acpi_db_display_objects(obj_type_arg: acpi_gbl_db_args[1],
967 display_count_arg: acpi_gbl_db_args[2]);
968 break;
969
970 case CMD_OSI:
971
972 acpi_db_display_interfaces(action_arg: acpi_gbl_db_args[1],
973 interface_name_arg: acpi_gbl_db_args[2]);
974 break;
975
976 case CMD_OWNER:
977
978 acpi_db_dump_namespace_by_owner(owner_arg: acpi_gbl_db_args[1],
979 depth_arg: acpi_gbl_db_args[2]);
980 break;
981
982 case CMD_PATHS:
983
984 acpi_db_dump_namespace_paths();
985 break;
986
987 case CMD_PREFIX:
988
989 acpi_db_set_scope(name: acpi_gbl_db_args[1]);
990 break;
991
992 case CMD_REFERENCES:
993
994 acpi_db_find_references(object_arg: acpi_gbl_db_args[1]);
995 break;
996
997 case CMD_RESOURCES:
998
999 acpi_db_display_resources(object_arg: acpi_gbl_db_args[1]);
1000 break;
1001
1002 case CMD_RESULTS:
1003
1004 acpi_db_display_results();
1005 break;
1006
1007 case CMD_SET:
1008
1009 acpi_db_set_method_data(type_arg: acpi_gbl_db_args[1],
1010 index_arg: acpi_gbl_db_args[2],
1011 value_arg: acpi_gbl_db_args[3]);
1012 break;
1013
1014 case CMD_STATS:
1015
1016 status = acpi_db_display_statistics(type_arg: acpi_gbl_db_args[1]);
1017 break;
1018
1019 case CMD_STOP:
1020
1021 return (AE_NOT_IMPLEMENTED);
1022
1023 case CMD_TABLES:
1024
1025 acpi_db_display_table_info(table_arg: acpi_gbl_db_args[1]);
1026 break;
1027
1028 case CMD_TEMPLATE:
1029
1030 acpi_db_display_template(buffer_arg: acpi_gbl_db_args[1]);
1031 break;
1032
1033 case CMD_TRACE:
1034
1035 acpi_db_trace(enable_arg: acpi_gbl_db_args[1], method_arg: acpi_gbl_db_args[2],
1036 once_arg: acpi_gbl_db_args[3]);
1037 break;
1038
1039 case CMD_TREE:
1040
1041 acpi_db_display_calling_tree();
1042 break;
1043
1044 case CMD_TYPE:
1045
1046 acpi_db_display_object_type(object_arg: acpi_gbl_db_args[1]);
1047 break;
1048
1049#ifdef ACPI_APPLICATION
1050
1051 /* Hardware simulation commands. */
1052
1053 case CMD_ENABLEACPI:
1054#if (!ACPI_REDUCED_HARDWARE)
1055
1056 status = acpi_enable();
1057 if (ACPI_FAILURE(status)) {
1058 acpi_os_printf("AcpiEnable failed (Status=%X)\n",
1059 status);
1060 return (status);
1061 }
1062#endif /* !ACPI_REDUCED_HARDWARE */
1063 break;
1064
1065 case CMD_EVENT:
1066
1067 acpi_os_printf("Event command not implemented\n");
1068 break;
1069
1070 case CMD_INTERRUPT:
1071
1072 acpi_db_generate_interrupt(acpi_gbl_db_args[1]);
1073 break;
1074
1075 case CMD_GPE:
1076
1077 acpi_db_generate_gpe(acpi_gbl_db_args[1], acpi_gbl_db_args[2]);
1078 break;
1079
1080 case CMD_GPES:
1081
1082 acpi_db_display_gpes();
1083 break;
1084
1085 case CMD_SCI:
1086
1087 acpi_db_generate_sci();
1088 break;
1089
1090 case CMD_SLEEP:
1091
1092 status = acpi_db_sleep(acpi_gbl_db_args[1]);
1093 break;
1094
1095 /* File I/O commands. */
1096
1097 case CMD_CLOSE:
1098
1099 acpi_db_close_debug_file();
1100 break;
1101
1102 case CMD_LOAD:{
1103 struct acpi_new_table_desc *list_head = NULL;
1104
1105 status =
1106 ac_get_all_tables_from_file(acpi_gbl_db_args[1],
1107 ACPI_GET_ALL_TABLES,
1108 &list_head);
1109 if (ACPI_SUCCESS(status)) {
1110 acpi_db_load_tables(list_head);
1111 }
1112 }
1113 break;
1114
1115 case CMD_OPEN:
1116
1117 acpi_db_open_debug_file(acpi_gbl_db_args[1]);
1118 break;
1119
1120 /* User space commands. */
1121
1122 case CMD_TERMINATE:
1123
1124 acpi_db_set_output_destination(ACPI_DB_REDIRECTABLE_OUTPUT);
1125 acpi_ut_subsystem_shutdown();
1126
1127 /*
1128 * TBD: [Restructure] Need some way to re-initialize without
1129 * re-creating the semaphores!
1130 */
1131
1132 acpi_gbl_db_terminate_loop = TRUE;
1133 /* acpi_initialize (NULL); */
1134 break;
1135
1136 case CMD_BACKGROUND:
1137
1138 acpi_db_create_execution_thread(acpi_gbl_db_args[1],
1139 &acpi_gbl_db_args[2],
1140 &acpi_gbl_db_arg_types[2]);
1141 break;
1142
1143 case CMD_THREADS:
1144
1145 acpi_db_create_execution_threads(acpi_gbl_db_args[1],
1146 acpi_gbl_db_args[2],
1147 acpi_gbl_db_args[3]);
1148 break;
1149
1150 /* Debug test commands. */
1151
1152 case CMD_PREDEFINED:
1153
1154 acpi_db_check_predefined_names();
1155 break;
1156
1157 case CMD_TEST:
1158
1159 acpi_db_execute_test(acpi_gbl_db_args[1]);
1160 break;
1161
1162 case CMD_UNLOAD:
1163
1164 acpi_db_unload_acpi_table(acpi_gbl_db_args[1]);
1165 break;
1166#endif
1167
1168 case CMD_EXIT:
1169 case CMD_QUIT:
1170
1171 if (op) {
1172 acpi_os_printf(format: "Method execution terminated\n");
1173 return (AE_CTRL_TERMINATE);
1174 }
1175
1176 if (!acpi_gbl_db_output_to_file) {
1177 acpi_dbg_level = ACPI_DEBUG_DEFAULT;
1178 }
1179#ifdef ACPI_APPLICATION
1180 acpi_db_close_debug_file();
1181#endif
1182 acpi_gbl_db_terminate_loop = TRUE;
1183 return (AE_CTRL_TERMINATE);
1184
1185 case CMD_NOT_FOUND:
1186 default:
1187
1188 acpi_os_printf(format: "%s: unknown command\n", acpi_gbl_db_args[0]);
1189 return (AE_CTRL_TRUE);
1190 }
1191
1192 if (ACPI_SUCCESS(status)) {
1193 status = AE_CTRL_TRUE;
1194 }
1195
1196 return (status);
1197}
1198
1199/*******************************************************************************
1200 *
1201 * FUNCTION: acpi_db_execute_thread
1202 *
1203 * PARAMETERS: context - Not used
1204 *
1205 * RETURN: None
1206 *
1207 * DESCRIPTION: Debugger execute thread. Waits for a command line, then
1208 * simply dispatches it.
1209 *
1210 ******************************************************************************/
1211
1212void ACPI_SYSTEM_XFACE acpi_db_execute_thread(void *context)
1213{
1214
1215 (void)acpi_db_user_commands();
1216 acpi_gbl_db_threads_terminated = TRUE;
1217}
1218
1219/*******************************************************************************
1220 *
1221 * FUNCTION: acpi_db_user_commands
1222 *
1223 * PARAMETERS: None
1224 *
1225 * RETURN: None
1226 *
1227 * DESCRIPTION: Command line execution for the AML debugger. Commands are
1228 * matched and dispatched here.
1229 *
1230 ******************************************************************************/
1231
1232acpi_status acpi_db_user_commands(void)
1233{
1234 acpi_status status = AE_OK;
1235
1236 acpi_os_printf(format: "\n");
1237
1238 /* TBD: [Restructure] Need a separate command line buffer for step mode */
1239
1240 while (!acpi_gbl_db_terminate_loop) {
1241
1242 /* Wait the readiness of the command */
1243
1244 status = acpi_os_wait_command_ready();
1245 if (ACPI_FAILURE(status)) {
1246 break;
1247 }
1248
1249 /* Just call to the command line interpreter */
1250
1251 acpi_gbl_method_executing = FALSE;
1252 acpi_gbl_step_to_next_call = FALSE;
1253
1254 (void)acpi_db_command_dispatch(input_buffer: acpi_gbl_db_line_buf, NULL,
1255 NULL);
1256
1257 /* Notify the completion of the command */
1258
1259 status = acpi_os_notify_command_complete();
1260 if (ACPI_FAILURE(status)) {
1261 break;
1262 }
1263 }
1264
1265 if (ACPI_FAILURE(status) && status != AE_CTRL_TERMINATE) {
1266 ACPI_EXCEPTION((AE_INFO, status, "While parsing command line"));
1267 }
1268 return (status);
1269}
1270

source code of linux/drivers/acpi/acpica/dbinput.c