dbinput.c revision 1.22 1 /*******************************************************************************
2 *
3 * Module Name: dbinput - user front-end to the AML debugger
4 *
5 ******************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2020, Intel Corp.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44 #include "acpi.h"
45 #include "accommon.h"
46 #include "acdebug.h"
47
48 #ifdef ACPI_APPLICATION
49 #include "acapps.h"
50 #endif
51
52 #define _COMPONENT ACPI_CA_DEBUGGER
53 ACPI_MODULE_NAME ("dbinput")
54
55
56 /* Local prototypes */
57
58 static UINT32
59 AcpiDbGetLine (
60 char *InputBuffer);
61
62 static UINT32
63 AcpiDbMatchCommand (
64 char *UserCommand);
65
66 static void
67 AcpiDbDisplayCommandInfo (
68 const char *Command,
69 BOOLEAN DisplayAll);
70
71 static void
72 AcpiDbDisplayHelp (
73 char *Command);
74
75 static BOOLEAN
76 AcpiDbMatchCommandHelp (
77 const char *Command,
78 const ACPI_DB_COMMAND_HELP *Help);
79
80
81 /*
82 * Top-level debugger commands.
83 *
84 * This list of commands must match the string table below it
85 */
86 enum AcpiExDebuggerCommands
87 {
88 CMD_NOT_FOUND = 0,
89 CMD_NULL,
90 CMD_ALLOCATIONS,
91 CMD_ARGS,
92 CMD_ARGUMENTS,
93 CMD_BREAKPOINT,
94 CMD_BUSINFO,
95 CMD_CALL,
96 CMD_DEBUG,
97 CMD_DISASSEMBLE,
98 CMD_DISASM,
99 CMD_DUMP,
100 CMD_EVALUATE,
101 CMD_EXECUTE,
102 CMD_EXIT,
103 CMD_FIELDS,
104 CMD_FIND,
105 CMD_GO,
106 CMD_HANDLERS,
107 CMD_HELP,
108 CMD_HELP2,
109 CMD_HISTORY,
110 CMD_HISTORY_EXE,
111 CMD_HISTORY_LAST,
112 CMD_INFORMATION,
113 CMD_INTEGRITY,
114 CMD_INTO,
115 CMD_LEVEL,
116 CMD_LIST,
117 CMD_LOCALS,
118 CMD_LOCKS,
119 CMD_METHODS,
120 CMD_NAMESPACE,
121 CMD_NOTIFY,
122 CMD_OBJECTS,
123 CMD_OSI,
124 CMD_OWNER,
125 CMD_PATHS,
126 CMD_PREDEFINED,
127 CMD_PREFIX,
128 CMD_QUIT,
129 CMD_REFERENCES,
130 CMD_RESOURCES,
131 CMD_RESULTS,
132 CMD_SET,
133 CMD_STATS,
134 CMD_STOP,
135 CMD_TABLES,
136 CMD_TEMPLATE,
137 CMD_TRACE,
138 CMD_TREE,
139 CMD_TYPE,
140 #ifdef ACPI_APPLICATION
141 CMD_ENABLEACPI,
142 CMD_EVENT,
143 CMD_GPE,
144 CMD_GPES,
145 CMD_SCI,
146 CMD_SLEEP,
147
148 CMD_CLOSE,
149 CMD_LOAD,
150 CMD_OPEN,
151 CMD_UNLOAD,
152
153 CMD_TERMINATE,
154 CMD_BACKGROUND,
155 CMD_THREADS,
156
157 CMD_TEST,
158 #endif
159 };
160
161 #define CMD_FIRST_VALID 2
162
163
164 /* Second parameter is the required argument count */
165
166 static const ACPI_DB_COMMAND_INFO AcpiGbl_DbCommands[] =
167 {
168 {"<NOT FOUND>", 0},
169 {"<NULL>", 0},
170 {"ALLOCATIONS", 0},
171 {"ARGS", 0},
172 {"ARGUMENTS", 0},
173 {"BREAKPOINT", 1},
174 {"BUSINFO", 0},
175 {"CALL", 0},
176 {"DEBUG", 1},
177 {"DISASSEMBLE", 1},
178 {"DISASM", 1},
179 {"DUMP", 1},
180 {"EVALUATE", 1},
181 {"EXECUTE", 1},
182 {"EXIT", 0},
183 {"FIELDS", 1},
184 {"FIND", 1},
185 {"GO", 0},
186 {"HANDLERS", 0},
187 {"HELP", 0},
188 {"?", 0},
189 {"HISTORY", 0},
190 {"!", 1},
191 {"!!", 0},
192 {"INFORMATION", 0},
193 {"INTEGRITY", 0},
194 {"INTO", 0},
195 {"LEVEL", 0},
196 {"LIST", 0},
197 {"LOCALS", 0},
198 {"LOCKS", 0},
199 {"METHODS", 0},
200 {"NAMESPACE", 0},
201 {"NOTIFY", 2},
202 {"OBJECTS", 0},
203 {"OSI", 0},
204 {"OWNER", 1},
205 {"PATHS", 0},
206 {"PREDEFINED", 0},
207 {"PREFIX", 0},
208 {"QUIT", 0},
209 {"REFERENCES", 1},
210 {"RESOURCES", 0},
211 {"RESULTS", 0},
212 {"SET", 3},
213 {"STATS", 1},
214 {"STOP", 0},
215 {"TABLES", 0},
216 {"TEMPLATE", 1},
217 {"TRACE", 1},
218 {"TREE", 0},
219 {"TYPE", 1},
220 #ifdef ACPI_APPLICATION
221 {"ENABLEACPI", 0},
222 {"EVENT", 1},
223 {"GPE", 1},
224 {"GPES", 0},
225 {"SCI", 0},
226 {"SLEEP", 0},
227
228 {"CLOSE", 0},
229 {"LOAD", 1},
230 {"OPEN", 1},
231 {"UNLOAD", 1},
232
233 {"TERMINATE", 0},
234 {"BACKGROUND", 1},
235 {"THREADS", 3},
236
237 {"TEST", 1},
238 #endif
239 {NULL, 0}
240 };
241
242 /*
243 * Help for all debugger commands. First argument is the number of lines
244 * of help to output for the command.
245 *
246 * Note: Some commands are not supported by the kernel-level version of
247 * the debugger.
248 */
249 static const ACPI_DB_COMMAND_HELP AcpiGbl_DbCommandHelp[] =
250 {
251 {0, "\nNamespace Access:", "\n"},
252 {1, " Businfo", "Display system bus info\n"},
253 {1, " Disassemble <Method>", "Disassemble a control method\n"},
254 {1, " Find <AcpiName> (? is wildcard)", "Find ACPI name(s) with wildcards\n"},
255 {1, " Integrity", "Validate namespace integrity\n"},
256 {1, " Methods", "Display list of loaded control methods\n"},
257 {1, " Fields <AddressSpaceId>", "Display list of loaded field units by space ID\n"},
258 {1, " Namespace [Object] [Depth]", "Display loaded namespace tree/subtree\n"},
259 {1, " Notify <Object> <Value>", "Send a notification on Object\n"},
260 {1, " Objects [ObjectType]", "Display summary of all objects or just given type\n"},
261 {1, " Owner <OwnerId> [Depth]", "Display loaded namespace by object owner\n"},
262 {1, " Paths", "Display full pathnames of namespace objects\n"},
263 {1, " Predefined", "Check all predefined names\n"},
264 {1, " Prefix [<Namepath>]", "Set or Get current execution prefix\n"},
265 {1, " References <Addr>", "Find all references to object at addr\n"},
266 {1, " Resources [DeviceName]", "Display Device resources (no arg = all devices)\n"},
267 {1, " Set N <NamedObject> <Value>", "Set value for named integer\n"},
268 {1, " Template <Object>", "Format/dump a Buffer/ResourceTemplate\n"},
269 {1, " Type <Object>", "Display object type\n"},
270
271 {0, "\nControl Method Execution:", "\n"},
272 {1, " Evaluate <Namepath> [Arguments]", "Evaluate object or control method\n"},
273 {1, " Execute <Namepath> [Arguments]", "Synonym for Evaluate\n"},
274 #ifdef ACPI_APPLICATION
275 {1, " Background <Namepath> [Arguments]", "Evaluate object/method in a separate thread\n"},
276 {1, " Thread <Threads><Loops><NamePath>", "Spawn threads to execute method(s)\n"},
277 #endif
278 {1, " Debug <Namepath> [Arguments]", "Single-Step a control method\n"},
279 {7, " [Arguments] formats:", "Control method argument formats\n"},
280 {1, " Hex Integer", "Integer\n"},
281 {1, " \"Ascii String\"", "String\n"},
282 {1, " (Hex Byte List)", "Buffer\n"},
283 {1, " (01 42 7A BF)", "Buffer example (4 bytes)\n"},
284 {1, " [Package Element List]", "Package\n"},
285 {1, " [0x01 0x1234 \"string\"]", "Package example (3 elements)\n"},
286
287 {0, "\nMiscellaneous:", "\n"},
288 {1, " Allocations", "Display list of current memory allocations\n"},
289 {2, " Dump <Address>|<Namepath>", "\n"},
290 {0, " [Byte|Word|Dword|Qword]", "Display ACPI objects or memory\n"},
291 {1, " Handlers", "Info about global handlers\n"},
292 {1, " Help [Command]", "This help screen or individual command\n"},
293 {1, " History", "Display command history buffer\n"},
294 {1, " Level <DebugLevel>] [console]", "Get/Set debug level for file or console\n"},
295 {1, " Locks", "Current status of internal mutexes\n"},
296 {1, " Osi [Install|Remove <name>]", "Display or modify global _OSI list\n"},
297 {1, " Quit or Exit", "Exit this command\n"},
298 {8, " Stats <SubCommand>", "Display namespace and memory statistics\n"},
299 {1, " Allocations", "Display list of current memory allocations\n"},
300 {1, " Memory", "Dump internal memory lists\n"},
301 {1, " Misc", "Namespace search and mutex stats\n"},
302 {1, " Objects", "Summary of namespace objects\n"},
303 {1, " Sizes", "Sizes for each of the internal objects\n"},
304 {1, " Stack", "Display CPU stack usage\n"},
305 {1, " Tables", "Info about current ACPI table(s)\n"},
306 {1, " Tables", "Display info about loaded ACPI tables\n"},
307 #ifdef ACPI_APPLICATION
308 {1, " Terminate", "Delete namespace and all internal objects\n"},
309 #endif
310 {1, " ! <CommandNumber>", "Execute command from history buffer\n"},
311 {1, " !!", "Execute last command again\n"},
312
313 {0, "\nMethod and Namespace Debugging:", "\n"},
314 {5, " Trace <State> [<Namepath>] [Once]", "Trace control method execution\n"},
315 {1, " Enable", "Enable all messages\n"},
316 {1, " Disable", "Disable tracing\n"},
317 {1, " Method", "Enable method execution messages\n"},
318 {1, " Opcode", "Enable opcode execution messages\n"},
319 {3, " Test <TestName>", "Invoke a debug test\n"},
320 {1, " Objects", "Read/write/compare all namespace data objects\n"},
321 {1, " Predefined", "Validate all ACPI predefined names (_STA, etc.)\n"},
322 {1, " Execute predefined", "Execute all predefined (public) methods\n"},
323
324 {0, "\nControl Method Single-Step Execution:","\n"},
325 {1, " Arguments (or Args)", "Display method arguments\n"},
326 {1, " Breakpoint <AmlOffset>", "Set an AML execution breakpoint\n"},
327 {1, " Call", "Run to next control method invocation\n"},
328 {1, " Go", "Allow method to run to completion\n"},
329 {1, " Information", "Display info about the current method\n"},
330 {1, " Into", "Step into (not over) a method call\n"},
331 {1, " List [# of Aml Opcodes]", "Display method ASL statements\n"},
332 {1, " Locals", "Display method local variables\n"},
333 {1, " Results", "Display method result stack\n"},
334 {1, " Set <A|L> <#> <Value>", "Set method data (Arguments/Locals)\n"},
335 {1, " Stop", "Terminate control method\n"},
336 {1, " Tree", "Display control method calling tree\n"},
337 {1, " <Enter>", "Single step next AML opcode (over calls)\n"},
338
339 #ifdef ACPI_APPLICATION
340 {0, "\nFile Operations:", "\n"},
341 {1, " Close", "Close debug output file\n"},
342 {1, " Load <Input Filename>", "Load ACPI table from a file\n"},
343 {1, " Open <Output Filename>", "Open a file for debug output\n"},
344 {1, " Unload <Namepath>", "Unload an ACPI table via namespace object\n"},
345
346 {0, "\nHardware Simulation:", "\n"},
347 {1, " EnableAcpi", "Enable ACPI (hardware) mode\n"},
348 {1, " Event <F|G> <Value>", "Generate AcpiEvent (Fixed/GPE)\n"},
349 {1, " Gpe <GpeNum> [GpeBlockDevice]", "Simulate a GPE\n"},
350 {1, " Gpes", "Display info on all GPE devices\n"},
351 {1, " Sci", "Generate an SCI\n"},
352 {1, " Sleep [SleepState]", "Simulate sleep/wake sequence(s) (0-5)\n"},
353 #endif
354 {0, NULL, NULL}
355 };
356
357
358 /*******************************************************************************
359 *
360 * FUNCTION: AcpiDbMatchCommandHelp
361 *
362 * PARAMETERS: Command - Command string to match
363 * Help - Help table entry to attempt match
364 *
365 * RETURN: TRUE if command matched, FALSE otherwise
366 *
367 * DESCRIPTION: Attempt to match a command in the help table in order to
368 * print help information for a single command.
369 *
370 ******************************************************************************/
371
372 static BOOLEAN
373 AcpiDbMatchCommandHelp (
374 const char *Command,
375 const ACPI_DB_COMMAND_HELP *Help)
376 {
377 const char *Invocation = Help->Invocation;
378 UINT32 LineCount;
379
380
381 /* Valid commands in the help table begin with a couple of spaces */
382
383 if (*Invocation != ' ')
384 {
385 return (FALSE);
386 }
387
388 while (*Invocation == ' ')
389 {
390 Invocation++;
391 }
392
393 /* Match command name (full command or substring) */
394
395 while ((*Command) && (*Invocation) && (*Invocation != ' '))
396 {
397 if (tolower ((int) *Command) != tolower ((int) *Invocation))
398 {
399 return (FALSE);
400 }
401
402 Invocation++;
403 Command++;
404 }
405
406 /* Print the appropriate number of help lines */
407
408 LineCount = Help->LineCount;
409 while (LineCount)
410 {
411 AcpiOsPrintf ("%-38s : %s", Help->Invocation, Help->Description);
412 Help++;
413 LineCount--;
414 }
415
416 return (TRUE);
417 }
418
419
420 /*******************************************************************************
421 *
422 * FUNCTION: AcpiDbDisplayCommandInfo
423 *
424 * PARAMETERS: Command - Command string to match
425 * DisplayAll - Display all matching commands, or just
426 * the first one (substring match)
427 *
428 * RETURN: None
429 *
430 * DESCRIPTION: Display help information for a Debugger command.
431 *
432 ******************************************************************************/
433
434 static void
435 AcpiDbDisplayCommandInfo (
436 const char *Command,
437 BOOLEAN DisplayAll)
438 {
439 const ACPI_DB_COMMAND_HELP *Next;
440 BOOLEAN Matched;
441
442
443 Next = AcpiGbl_DbCommandHelp;
444 while (Next->Invocation)
445 {
446 Matched = AcpiDbMatchCommandHelp (Command, Next);
447 if (!DisplayAll && Matched)
448 {
449 return;
450 }
451
452 Next++;
453 }
454 }
455
456
457 /*******************************************************************************
458 *
459 * FUNCTION: AcpiDbDisplayHelp
460 *
461 * PARAMETERS: Command - Optional command string to display help.
462 * if not specified, all debugger command
463 * help strings are displayed
464 *
465 * RETURN: None
466 *
467 * DESCRIPTION: Display help for a single debugger command, or all of them.
468 *
469 ******************************************************************************/
470
471 static void
472 AcpiDbDisplayHelp (
473 char *Command)
474 {
475 const ACPI_DB_COMMAND_HELP *Next = AcpiGbl_DbCommandHelp;
476
477
478 if (!Command)
479 {
480 /* No argument to help, display help for all commands */
481
482 AcpiOsPrintf ("\nSummary of AML Debugger Commands\n\n");
483
484 while (Next->Invocation)
485 {
486 AcpiOsPrintf ("%-38s%s", Next->Invocation, Next->Description);
487 Next++;
488 }
489 AcpiOsPrintf ("\n");
490
491 }
492 else
493 {
494 /* Display help for all commands that match the subtring */
495
496 AcpiDbDisplayCommandInfo (Command, TRUE);
497 }
498 }
499
500
501 /*******************************************************************************
502 *
503 * FUNCTION: AcpiDbGetNextToken
504 *
505 * PARAMETERS: String - Command buffer
506 * Next - Return value, end of next token
507 *
508 * RETURN: Pointer to the start of the next token.
509 *
510 * DESCRIPTION: Command line parsing. Get the next token on the command line
511 *
512 ******************************************************************************/
513
514 char *
515 AcpiDbGetNextToken (
516 char *String,
517 char **Next,
518 ACPI_OBJECT_TYPE *ReturnType)
519 {
520 char *Start;
521 UINT32 Depth;
522 ACPI_OBJECT_TYPE Type = ACPI_TYPE_INTEGER;
523
524
525 /* At end of buffer? */
526
527 if (!String || !(*String))
528 {
529 return (NULL);
530 }
531
532 /* Remove any spaces at the beginning, ignore blank lines */
533
534 while (*String && isspace (*String))
535 {
536 String++;
537 }
538
539 if (!(*String))
540 {
541 return (NULL);
542 }
543
544 switch (*String)
545 {
546 case '"':
547
548 /* This is a quoted string, scan until closing quote */
549
550 String++;
551 Start = String;
552 Type = ACPI_TYPE_STRING;
553
554 /* Find end of string */
555
556 while (*String && (*String != '"'))
557 {
558 String++;
559 }
560 break;
561
562 case '(':
563
564 /* This is the start of a buffer, scan until closing paren */
565
566 String++;
567 Start = String;
568 Type = ACPI_TYPE_BUFFER;
569
570 /* Find end of buffer */
571
572 while (*String && (*String != ')'))
573 {
574 String++;
575 }
576 break;
577
578 case '{':
579
580 /* This is the start of a field unit, scan until closing brace */
581
582 String++;
583 Start = String;
584 Type = ACPI_TYPE_FIELD_UNIT;
585
586 /* Find end of buffer */
587
588 while (*String && (*String != '}'))
589 {
590 String++;
591 }
592 break;
593
594 case '[':
595
596 /* This is the start of a package, scan until closing bracket */
597
598 String++;
599 Depth = 1;
600 Start = String;
601 Type = ACPI_TYPE_PACKAGE;
602
603 /* Find end of package (closing bracket) */
604
605 while (*String)
606 {
607 /* Handle String package elements */
608
609 if (*String == '"')
610 {
611 /* Find end of string */
612
613 String++;
614 while (*String && (*String != '"'))
615 {
616 String++;
617 }
618 if (!(*String))
619 {
620 break;
621 }
622 }
623 else if (*String == '[')
624 {
625 Depth++; /* A nested package declaration */
626 }
627 else if (*String == ']')
628 {
629 Depth--;
630 if (Depth == 0) /* Found final package closing bracket */
631 {
632 break;
633 }
634 }
635
636 String++;
637 }
638 break;
639
640 default:
641
642 Start = String;
643
644 /* Find end of token */
645
646 while (*String && !isspace (*String))
647 {
648 String++;
649 }
650 break;
651 }
652
653 if (!(*String))
654 {
655 *Next = NULL;
656 }
657 else
658 {
659 *String = 0;
660 *Next = String + 1;
661 }
662
663 *ReturnType = Type;
664 return (Start);
665 }
666
667
668 /*******************************************************************************
669 *
670 * FUNCTION: AcpiDbGetLine
671 *
672 * PARAMETERS: InputBuffer - Command line buffer
673 *
674 * RETURN: Count of arguments to the command
675 *
676 * DESCRIPTION: Get the next command line from the user. Gets entire line
677 * up to the next newline
678 *
679 ******************************************************************************/
680
681 static UINT32
682 AcpiDbGetLine (
683 char *InputBuffer)
684 {
685 UINT32 i;
686 UINT32 Count;
687 char *Next;
688 char *This;
689
690
691 if (AcpiUtSafeStrcpy (AcpiGbl_DbParsedBuf, sizeof (AcpiGbl_DbParsedBuf),
692 InputBuffer))
693 {
694 AcpiOsPrintf (
695 "Buffer overflow while parsing input line (max %u characters)\n",
696 (UINT32) sizeof (AcpiGbl_DbParsedBuf));
697 return (0);
698 }
699
700 This = AcpiGbl_DbParsedBuf;
701 for (i = 0; i < ACPI_DEBUGGER_MAX_ARGS; i++)
702 {
703 AcpiGbl_DbArgs[i] = AcpiDbGetNextToken (This, &Next,
704 &AcpiGbl_DbArgTypes[i]);
705 if (!AcpiGbl_DbArgs[i])
706 {
707 break;
708 }
709
710 This = Next;
711 }
712
713 /* Uppercase the actual command */
714
715 AcpiUtStrupr (AcpiGbl_DbArgs[0]);
716
717 Count = i;
718 if (Count)
719 {
720 Count--; /* Number of args only */
721 }
722
723 return (Count);
724 }
725
726
727 /*******************************************************************************
728 *
729 * FUNCTION: AcpiDbMatchCommand
730 *
731 * PARAMETERS: UserCommand - User command line
732 *
733 * RETURN: Index into command array, -1 if not found
734 *
735 * DESCRIPTION: Search command array for a command match
736 *
737 ******************************************************************************/
738
739 static UINT32
740 AcpiDbMatchCommand (
741 char *UserCommand)
742 {
743 UINT32 i;
744
745
746 if (!UserCommand || UserCommand[0] == 0)
747 {
748 return (CMD_NULL);
749 }
750
751 for (i = CMD_FIRST_VALID; AcpiGbl_DbCommands[i].Name; i++)
752 {
753 if (strstr (
754 ACPI_CAST_PTR (char, AcpiGbl_DbCommands[i].Name), UserCommand) ==
755 AcpiGbl_DbCommands[i].Name)
756 {
757 return (i);
758 }
759 }
760
761 /* Command not recognized */
762
763 return (CMD_NOT_FOUND);
764 }
765
766
767 /*******************************************************************************
768 *
769 * FUNCTION: AcpiDbCommandDispatch
770 *
771 * PARAMETERS: InputBuffer - Command line buffer
772 * WalkState - Current walk
773 * Op - Current (executing) parse op
774 *
775 * RETURN: Status
776 *
777 * DESCRIPTION: Command dispatcher.
778 *
779 ******************************************************************************/
780
781 ACPI_STATUS
782 AcpiDbCommandDispatch (
783 char *InputBuffer,
784 ACPI_WALK_STATE *WalkState,
785 ACPI_PARSE_OBJECT *Op)
786 {
787 UINT32 Temp;
788 UINT64 Temp64;
789 UINT32 CommandIndex;
790 UINT32 ParamCount;
791 char *CommandLine;
792 ACPI_STATUS Status = AE_CTRL_TRUE;
793
794
795 /* If AcpiTerminate has been called, terminate this thread */
796
797 if (AcpiGbl_DbTerminateLoop)
798 {
799 return (AE_CTRL_TERMINATE);
800 }
801
802 /* Find command and add to the history buffer */
803
804 ParamCount = AcpiDbGetLine (InputBuffer);
805 CommandIndex = AcpiDbMatchCommand (AcpiGbl_DbArgs[0]);
806
807 /*
808 * We don't want to add the !! command to the history buffer. It
809 * would cause an infinite loop because it would always be the
810 * previous command.
811 */
812 if (CommandIndex != CMD_HISTORY_LAST)
813 {
814 AcpiDbAddToHistory (InputBuffer);
815 }
816
817 /* Verify that we have the minimum number of params */
818
819 if (ParamCount < AcpiGbl_DbCommands[CommandIndex].MinArgs)
820 {
821 AcpiOsPrintf ("%u parameters entered, [%s] requires %u parameters\n",
822 ParamCount, AcpiGbl_DbCommands[CommandIndex].Name,
823 AcpiGbl_DbCommands[CommandIndex].MinArgs);
824
825 AcpiDbDisplayCommandInfo (
826 AcpiGbl_DbCommands[CommandIndex].Name, FALSE);
827 return (AE_CTRL_TRUE);
828 }
829
830 /* Decode and dispatch the command */
831
832 switch (CommandIndex)
833 {
834 case CMD_NULL:
835
836 if (Op)
837 {
838 return (AE_OK);
839 }
840 break;
841
842 case CMD_ALLOCATIONS:
843
844 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
845 AcpiUtDumpAllocations ((UINT32) -1, NULL);
846 #endif
847 break;
848
849 case CMD_ARGS:
850 case CMD_ARGUMENTS:
851
852 AcpiDbDisplayArguments ();
853 break;
854
855 case CMD_BREAKPOINT:
856
857 AcpiDbSetMethodBreakpoint (AcpiGbl_DbArgs[1], WalkState, Op);
858 break;
859
860 case CMD_BUSINFO:
861
862 AcpiDbGetBusInfo ();
863 break;
864
865 case CMD_CALL:
866
867 AcpiDbSetMethodCallBreakpoint (Op);
868 Status = AE_OK;
869 break;
870
871 case CMD_DEBUG:
872
873 AcpiDbExecute (AcpiGbl_DbArgs[1],
874 &AcpiGbl_DbArgs[2], &AcpiGbl_DbArgTypes[2], EX_SINGLE_STEP);
875 break;
876
877 case CMD_DISASSEMBLE:
878 case CMD_DISASM:
879
880 #ifdef ACPI_DISASSEMBLER
881 (void) AcpiDbDisassembleMethod (AcpiGbl_DbArgs[1]);
882 #else
883 AcpiOsPrintf ("The AML Disassembler is not configured/present\n");
884 #endif
885 break;
886
887 case CMD_DUMP:
888
889 AcpiDbDecodeAndDisplayObject (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
890 break;
891
892 case CMD_EVALUATE:
893 case CMD_EXECUTE:
894
895 AcpiDbExecute (AcpiGbl_DbArgs[1],
896 &AcpiGbl_DbArgs[2], &AcpiGbl_DbArgTypes[2], EX_NO_SINGLE_STEP);
897 break;
898
899 case CMD_FIND:
900
901 Status = AcpiDbFindNameInNamespace (AcpiGbl_DbArgs[1]);
902 break;
903
904 case CMD_FIELDS:
905
906 Status = AcpiUtStrtoul64 (AcpiGbl_DbArgs[1], &Temp64);
907
908 if (ACPI_FAILURE (Status) || Temp64 >= ACPI_NUM_PREDEFINED_REGIONS)
909 {
910 AcpiOsPrintf (
911 "Invalid address space ID: must be between 0 and %u inclusive\n",
912 ACPI_NUM_PREDEFINED_REGIONS - 1);
913 return (AE_OK);
914 }
915
916 Status = AcpiDbDisplayFields ((UINT32) Temp64);
917 break;
918
919 case CMD_GO:
920
921 AcpiGbl_CmSingleStep = FALSE;
922 return (AE_OK);
923
924 case CMD_HANDLERS:
925
926 AcpiDbDisplayHandlers ();
927 break;
928
929 case CMD_HELP:
930 case CMD_HELP2:
931
932 AcpiDbDisplayHelp (AcpiGbl_DbArgs[1]);
933 break;
934
935 case CMD_HISTORY:
936
937 AcpiDbDisplayHistory ();
938 break;
939
940 case CMD_HISTORY_EXE: /* ! command */
941
942 CommandLine = AcpiDbGetFromHistory (AcpiGbl_DbArgs[1]);
943 if (!CommandLine)
944 {
945 return (AE_CTRL_TRUE);
946 }
947
948 Status = AcpiDbCommandDispatch (CommandLine, WalkState, Op);
949 return (Status);
950
951 case CMD_HISTORY_LAST: /* !! command */
952
953 CommandLine = AcpiDbGetFromHistory (NULL);
954 if (!CommandLine)
955 {
956 return (AE_CTRL_TRUE);
957 }
958
959 Status = AcpiDbCommandDispatch (CommandLine, WalkState, Op);
960 return (Status);
961
962 case CMD_INFORMATION:
963
964 AcpiDbDisplayMethodInfo (Op);
965 break;
966
967 case CMD_INTEGRITY:
968
969 AcpiDbCheckIntegrity ();
970 break;
971
972 case CMD_INTO:
973
974 if (Op)
975 {
976 AcpiGbl_CmSingleStep = TRUE;
977 return (AE_OK);
978 }
979 break;
980
981 case CMD_LEVEL:
982
983 if (ParamCount == 0)
984 {
985 AcpiOsPrintf (
986 "Current debug level for file output is: %8.8X\n",
987 AcpiGbl_DbDebugLevel);
988 AcpiOsPrintf (
989 "Current debug level for console output is: %8.8X\n",
990 AcpiGbl_DbConsoleDebugLevel);
991 }
992 else if (ParamCount == 2)
993 {
994 Temp = AcpiGbl_DbConsoleDebugLevel;
995 AcpiGbl_DbConsoleDebugLevel =
996 strtoul (AcpiGbl_DbArgs[1], NULL, 16);
997 AcpiOsPrintf (
998 "Debug Level for console output was %8.8X, now %8.8X\n",
999 Temp, AcpiGbl_DbConsoleDebugLevel);
1000 }
1001 else
1002 {
1003 Temp = AcpiGbl_DbDebugLevel;
1004 AcpiGbl_DbDebugLevel = strtoul (AcpiGbl_DbArgs[1], NULL, 16);
1005 AcpiOsPrintf (
1006 "Debug Level for file output was %8.8X, now %8.8X\n",
1007 Temp, AcpiGbl_DbDebugLevel);
1008 }
1009 break;
1010
1011 case CMD_LIST:
1012
1013 #ifdef ACPI_DISASSEMBLER
1014 AcpiDbDisassembleAml (AcpiGbl_DbArgs[1], Op);
1015 #else
1016 AcpiOsPrintf ("The AML Disassembler is not configured/present\n");
1017 #endif
1018 break;
1019
1020 case CMD_LOCKS:
1021
1022 AcpiDbDisplayLocks ();
1023 break;
1024
1025 case CMD_LOCALS:
1026
1027 AcpiDbDisplayLocals ();
1028 break;
1029
1030 case CMD_METHODS:
1031
1032 Status = AcpiDbDisplayObjects (__UNCONST("METHOD"), AcpiGbl_DbArgs[1]);
1033 break;
1034
1035 case CMD_NAMESPACE:
1036
1037 AcpiDbDumpNamespace (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
1038 break;
1039
1040 case CMD_NOTIFY:
1041
1042 Temp = strtoul (AcpiGbl_DbArgs[2], NULL, 0);
1043 AcpiDbSendNotify (AcpiGbl_DbArgs[1], Temp);
1044 break;
1045
1046 case CMD_OBJECTS:
1047
1048 AcpiUtStrupr (AcpiGbl_DbArgs[1]);
1049 Status = AcpiDbDisplayObjects (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
1050 break;
1051
1052 case CMD_OSI:
1053
1054 AcpiDbDisplayInterfaces (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
1055 break;
1056
1057 case CMD_OWNER:
1058
1059 AcpiDbDumpNamespaceByOwner (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
1060 break;
1061
1062 case CMD_PATHS:
1063
1064 AcpiDbDumpNamespacePaths ();
1065 break;
1066
1067 case CMD_PREFIX:
1068
1069 AcpiDbSetScope (AcpiGbl_DbArgs[1]);
1070 break;
1071
1072 case CMD_REFERENCES:
1073
1074 AcpiDbFindReferences (AcpiGbl_DbArgs[1]);
1075 break;
1076
1077 case CMD_RESOURCES:
1078
1079 AcpiDbDisplayResources (AcpiGbl_DbArgs[1]);
1080 break;
1081
1082 case CMD_RESULTS:
1083
1084 AcpiDbDisplayResults ();
1085 break;
1086
1087 case CMD_SET:
1088
1089 AcpiDbSetMethodData (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2],
1090 AcpiGbl_DbArgs[3]);
1091 break;
1092
1093 case CMD_STATS:
1094
1095 Status = AcpiDbDisplayStatistics (AcpiGbl_DbArgs[1]);
1096 break;
1097
1098 case CMD_STOP:
1099
1100 return (AE_NOT_IMPLEMENTED);
1101
1102 case CMD_TABLES:
1103
1104 AcpiDbDisplayTableInfo (AcpiGbl_DbArgs[1]);
1105 break;
1106
1107 case CMD_TEMPLATE:
1108
1109 AcpiDbDisplayTemplate (AcpiGbl_DbArgs[1]);
1110 break;
1111
1112 case CMD_TRACE:
1113
1114 AcpiDbTrace (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2], AcpiGbl_DbArgs[3]);
1115 break;
1116
1117 case CMD_TREE:
1118
1119 AcpiDbDisplayCallingTree ();
1120 break;
1121
1122 case CMD_TYPE:
1123
1124 AcpiDbDisplayObjectType (AcpiGbl_DbArgs[1]);
1125 break;
1126
1127 #ifdef ACPI_APPLICATION
1128
1129 /* Hardware simulation commands. */
1130
1131 case CMD_ENABLEACPI:
1132 #if (!ACPI_REDUCED_HARDWARE)
1133
1134 Status = AcpiEnable();
1135 if (ACPI_FAILURE(Status))
1136 {
1137 AcpiOsPrintf("AcpiEnable failed (Status=%X)\n", Status);
1138 return (Status);
1139 }
1140 #endif /* !ACPI_REDUCED_HARDWARE */
1141 break;
1142
1143 case CMD_EVENT:
1144
1145 AcpiOsPrintf ("Event command not implemented\n");
1146 break;
1147
1148 case CMD_GPE:
1149
1150 AcpiDbGenerateGpe (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
1151 break;
1152
1153 case CMD_GPES:
1154
1155 AcpiDbDisplayGpes ();
1156 break;
1157
1158 case CMD_SCI:
1159
1160 AcpiDbGenerateSci ();
1161 break;
1162
1163 case CMD_SLEEP:
1164
1165 Status = AcpiDbSleep (AcpiGbl_DbArgs[1]);
1166 break;
1167
1168 /* File I/O commands. */
1169
1170 case CMD_CLOSE:
1171
1172 AcpiDbCloseDebugFile ();
1173 break;
1174
1175 case CMD_LOAD:
1176 {
1177 ACPI_NEW_TABLE_DESC *ListHead = NULL;
1178
1179 Status = AcGetAllTablesFromFile (AcpiGbl_DbArgs[1],
1180 ACPI_GET_ALL_TABLES, &ListHead);
1181 if (ACPI_SUCCESS (Status))
1182 {
1183 AcpiDbLoadTables (ListHead);
1184 }
1185 }
1186 break;
1187
1188 case CMD_OPEN:
1189
1190 AcpiDbOpenDebugFile (AcpiGbl_DbArgs[1]);
1191 break;
1192
1193 /* User space commands. */
1194
1195 case CMD_TERMINATE:
1196
1197 AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT);
1198 AcpiUtSubsystemShutdown ();
1199
1200 /*
1201 * TBD: [Restructure] Need some way to re-initialize without
1202 * re-creating the semaphores!
1203 */
1204
1205 AcpiGbl_DbTerminateLoop = TRUE;
1206 /* AcpiInitialize (NULL); */
1207 break;
1208
1209 case CMD_BACKGROUND:
1210
1211 AcpiDbCreateExecutionThread (AcpiGbl_DbArgs[1], &AcpiGbl_DbArgs[2],
1212 &AcpiGbl_DbArgTypes[2]);
1213 break;
1214
1215 case CMD_THREADS:
1216
1217 AcpiDbCreateExecutionThreads (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2],
1218 AcpiGbl_DbArgs[3]);
1219 break;
1220
1221 /* Debug test commands. */
1222
1223 case CMD_PREDEFINED:
1224
1225 AcpiDbCheckPredefinedNames ();
1226 break;
1227
1228 case CMD_TEST:
1229
1230 AcpiDbExecuteTest (AcpiGbl_DbArgs[1]);
1231 break;
1232
1233 case CMD_UNLOAD:
1234
1235 AcpiDbUnloadAcpiTable (AcpiGbl_DbArgs[1]);
1236 break;
1237 #endif
1238
1239 case CMD_EXIT:
1240 case CMD_QUIT:
1241
1242 if (Op)
1243 {
1244 AcpiOsPrintf ("Method execution terminated\n");
1245 return (AE_CTRL_TERMINATE);
1246 }
1247
1248 if (!AcpiGbl_DbOutputToFile)
1249 {
1250 AcpiDbgLevel = ACPI_DEBUG_DEFAULT;
1251 }
1252
1253 #ifdef ACPI_APPLICATION
1254 AcpiDbCloseDebugFile ();
1255 #endif
1256 AcpiGbl_DbTerminateLoop = TRUE;
1257 return (AE_CTRL_TERMINATE);
1258
1259 case CMD_NOT_FOUND:
1260 default:
1261
1262 AcpiOsPrintf ("%s: unknown command\n", AcpiGbl_DbArgs[0]);
1263 return (AE_CTRL_TRUE);
1264 }
1265
1266 if (ACPI_SUCCESS (Status))
1267 {
1268 Status = AE_CTRL_TRUE;
1269 }
1270
1271 return (Status);
1272 }
1273
1274
1275 /*******************************************************************************
1276 *
1277 * FUNCTION: AcpiDbExecuteThread
1278 *
1279 * PARAMETERS: Context - Not used
1280 *
1281 * RETURN: None
1282 *
1283 * DESCRIPTION: Debugger execute thread. Waits for a command line, then
1284 * simply dispatches it.
1285 *
1286 ******************************************************************************/
1287
1288 void ACPI_SYSTEM_XFACE
1289 AcpiDbExecuteThread (
1290 void *Context)
1291 {
1292
1293 (void) AcpiDbUserCommands ();
1294 AcpiGbl_DbThreadsTerminated = TRUE;
1295 }
1296
1297
1298 /*******************************************************************************
1299 *
1300 * FUNCTION: AcpiDbUserCommands
1301 *
1302 * PARAMETERS: None
1303 *
1304 * RETURN: None
1305 *
1306 * DESCRIPTION: Command line execution for the AML debugger. Commands are
1307 * matched and dispatched here.
1308 *
1309 ******************************************************************************/
1310
1311 ACPI_STATUS
1312 AcpiDbUserCommands (
1313 void)
1314 {
1315 ACPI_STATUS Status = AE_OK;
1316
1317
1318 AcpiOsPrintf ("\n");
1319
1320 /* TBD: [Restructure] Need a separate command line buffer for step mode */
1321
1322 while (!AcpiGbl_DbTerminateLoop)
1323 {
1324 /* Wait the readiness of the command */
1325
1326 Status = AcpiOsWaitCommandReady ();
1327 if (ACPI_FAILURE (Status))
1328 {
1329 break;
1330 }
1331
1332 /* Just call to the command line interpreter */
1333
1334 AcpiGbl_MethodExecuting = FALSE;
1335 AcpiGbl_StepToNextCall = FALSE;
1336
1337 (void) AcpiDbCommandDispatch (AcpiGbl_DbLineBuf, NULL, NULL);
1338
1339 /* Notify the completion of the command */
1340
1341 Status = AcpiOsNotifyCommandComplete ();
1342 if (ACPI_FAILURE (Status))
1343 {
1344 break;
1345 }
1346 }
1347
1348 if (ACPI_FAILURE (Status) && Status != AE_CTRL_TERMINATE)
1349 {
1350 ACPI_EXCEPTION ((AE_INFO, Status, "While parsing command line"));
1351 }
1352 return (Status);
1353 }
1354