dbinput.c revision 1.10 1 /*******************************************************************************
2 *
3 * Module Name: dbinput - user front-end to the AML debugger
4 *
5 ******************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2016, 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 AcpiDbSingleThread (
68 void);
69
70 static void
71 AcpiDbDisplayCommandInfo (
72 const char *Command,
73 BOOLEAN DisplayAll);
74
75 static void
76 AcpiDbDisplayHelp (
77 char *Command);
78
79 static BOOLEAN
80 AcpiDbMatchCommandHelp (
81 const char *Command,
82 const ACPI_DB_COMMAND_HELP *Help);
83
84
85 /*
86 * Top-level debugger commands.
87 *
88 * This list of commands must match the string table below it
89 */
90 enum AcpiExDebuggerCommands
91 {
92 CMD_NOT_FOUND = 0,
93 CMD_NULL,
94 CMD_ALLOCATIONS,
95 CMD_ARGS,
96 CMD_ARGUMENTS,
97 CMD_BREAKPOINT,
98 CMD_BUSINFO,
99 CMD_CALL,
100 CMD_DEBUG,
101 CMD_DISASSEMBLE,
102 CMD_DISASM,
103 CMD_DUMP,
104 CMD_EVALUATE,
105 CMD_EXECUTE,
106 CMD_EXIT,
107 CMD_FIND,
108 CMD_GO,
109 CMD_HANDLERS,
110 CMD_HELP,
111 CMD_HELP2,
112 CMD_HISTORY,
113 CMD_HISTORY_EXE,
114 CMD_HISTORY_LAST,
115 CMD_INFORMATION,
116 CMD_INTEGRITY,
117 CMD_INTO,
118 CMD_LEVEL,
119 CMD_LIST,
120 CMD_LOCALS,
121 CMD_LOCKS,
122 CMD_METHODS,
123 CMD_NAMESPACE,
124 CMD_NOTIFY,
125 CMD_OBJECTS,
126 CMD_OSI,
127 CMD_OWNER,
128 CMD_PATHS,
129 CMD_PREDEFINED,
130 CMD_PREFIX,
131 CMD_QUIT,
132 CMD_REFERENCES,
133 CMD_RESOURCES,
134 CMD_RESULTS,
135 CMD_SET,
136 CMD_STATS,
137 CMD_STOP,
138 CMD_TABLES,
139 CMD_TEMPLATE,
140 CMD_TRACE,
141 CMD_TREE,
142 CMD_TYPE,
143 #ifdef ACPI_APPLICATION
144 CMD_ENABLEACPI,
145 CMD_EVENT,
146 CMD_GPE,
147 CMD_GPES,
148 CMD_SCI,
149 CMD_SLEEP,
150
151 CMD_CLOSE,
152 CMD_LOAD,
153 CMD_OPEN,
154 CMD_UNLOAD,
155
156 CMD_TERMINATE,
157 CMD_THREADS,
158
159 CMD_TEST,
160 #endif
161 };
162
163 #define CMD_FIRST_VALID 2
164
165
166 /* Second parameter is the required argument count */
167
168 static const ACPI_DB_COMMAND_INFO AcpiGbl_DbCommands[] =
169 {
170 {"<NOT FOUND>", 0},
171 {"<NULL>", 0},
172 {"ALLOCATIONS", 0},
173 {"ARGS", 0},
174 {"ARGUMENTS", 0},
175 {"BREAKPOINT", 1},
176 {"BUSINFO", 0},
177 {"CALL", 0},
178 {"DEBUG", 1},
179 {"DISASSEMBLE", 1},
180 {"DISASM", 1},
181 {"DUMP", 1},
182 {"EVALUATE", 1},
183 {"EXECUTE", 1},
184 {"EXIT", 0},
185 {"FIND", 1},
186 {"GO", 0},
187 {"HANDLERS", 0},
188 {"HELP", 0},
189 {"?", 0},
190 {"HISTORY", 0},
191 {"!", 1},
192 {"!!", 0},
193 {"INFORMATION", 0},
194 {"INTEGRITY", 0},
195 {"INTO", 0},
196 {"LEVEL", 0},
197 {"LIST", 0},
198 {"LOCALS", 0},
199 {"LOCKS", 0},
200 {"METHODS", 0},
201 {"NAMESPACE", 0},
202 {"NOTIFY", 2},
203 {"OBJECTS", 0},
204 {"OSI", 0},
205 {"OWNER", 1},
206 {"PATHS", 0},
207 {"PREDEFINED", 0},
208 {"PREFIX", 0},
209 {"QUIT", 0},
210 {"REFERENCES", 1},
211 {"RESOURCES", 0},
212 {"RESULTS", 0},
213 {"SET", 3},
214 {"STATS", 1},
215 {"STOP", 0},
216 {"TABLES", 0},
217 {"TEMPLATE", 1},
218 {"TRACE", 1},
219 {"TREE", 0},
220 {"TYPE", 1},
221 #ifdef ACPI_APPLICATION
222 {"ENABLEACPI", 0},
223 {"EVENT", 1},
224 {"GPE", 1},
225 {"GPES", 0},
226 {"SCI", 0},
227 {"SLEEP", 0},
228
229 {"CLOSE", 0},
230 {"LOAD", 1},
231 {"OPEN", 1},
232 {"UNLOAD", 1},
233
234 {"TERMINATE", 0},
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 static const ACPI_DB_COMMAND_HELP AcpiGbl_DbCommandHelp[] =
247 {
248 {0, "\nGeneral-Purpose Commands:", "\n"},
249 {1, " Allocations", "Display list of current memory allocations\n"},
250 {2, " Dump <Address>|<Namepath>", "\n"},
251 {0, " [Byte|Word|Dword|Qword]", "Display ACPI objects or memory\n"},
252 {1, " Handlers", "Info about global handlers\n"},
253 {1, " Help [Command]", "This help screen or individual command\n"},
254 {1, " History", "Display command history buffer\n"},
255 {1, " Level <DebugLevel>] [console]", "Get/Set debug level for file or console\n"},
256 {1, " Locks", "Current status of internal mutexes\n"},
257 {1, " Osi [Install|Remove <name>]", "Display or modify global _OSI list\n"},
258 {1, " Quit or Exit", "Exit this command\n"},
259 {8, " Stats <SubCommand>", "Display namespace and memory statistics\n"},
260 {1, " Allocations", "Display list of current memory allocations\n"},
261 {1, " Memory", "Dump internal memory lists\n"},
262 {1, " Misc", "Namespace search and mutex stats\n"},
263 {1, " Objects", "Summary of namespace objects\n"},
264 {1, " Sizes", "Sizes for each of the internal objects\n"},
265 {1, " Stack", "Display CPU stack usage\n"},
266 {1, " Tables", "Info about current ACPI table(s)\n"},
267 {1, " Tables", "Display info about loaded ACPI tables\n"},
268 {1, " ! <CommandNumber>", "Execute command from history buffer\n"},
269 {1, " !!", "Execute last command again\n"},
270
271 {0, "\nNamespace Access Commands:", "\n"},
272 {1, " Businfo", "Display system bus info\n"},
273 {1, " Disassemble <Method>", "Disassemble a control method\n"},
274 {1, " Find <AcpiName> (? is wildcard)", "Find ACPI name(s) with wildcards\n"},
275 {1, " Integrity", "Validate namespace integrity\n"},
276 {1, " Methods", "Display list of loaded control methods\n"},
277 {1, " Namespace [Object] [Depth]", "Display loaded namespace tree/subtree\n"},
278 {1, " Notify <Object> <Value>", "Send a notification on Object\n"},
279 {1, " Objects [ObjectType]", "Display summary of all objects or just given type\n"},
280 {1, " Owner <OwnerId> [Depth]", "Display loaded namespace by object owner\n"},
281 {1, " Paths", "Display full pathnames of namespace objects\n"},
282 {1, " Predefined", "Check all predefined names\n"},
283 {1, " Prefix [<Namepath>]", "Set or Get current execution prefix\n"},
284 {1, " References <Addr>", "Find all references to object at addr\n"},
285 {1, " Resources [DeviceName]", "Display Device resources (no arg = all devices)\n"},
286 {1, " Set N <NamedObject> <Value>", "Set value for named integer\n"},
287 {1, " Template <Object>", "Format/dump a Buffer/ResourceTemplate\n"},
288 {1, " Type <Object>", "Display object type\n"},
289
290 {0, "\nControl Method Execution Commands:","\n"},
291 {1, " Arguments (or Args)", "Display method arguments\n"},
292 {1, " Breakpoint <AmlOffset>", "Set an AML execution breakpoint\n"},
293 {1, " Call", "Run to next control method invocation\n"},
294 {1, " Debug <Namepath> [Arguments]", "Single Step a control method\n"},
295 {6, " Evaluate", "Synonym for Execute\n"},
296 {5, " Execute <Namepath> [Arguments]", "Execute control method\n"},
297 {1, " Hex Integer", "Integer method argument\n"},
298 {1, " \"Ascii String\"", "String method argument\n"},
299 {1, " (Hex Byte List)", "Buffer method argument\n"},
300 {1, " [Package Element List]", "Package method argument\n"},
301 {1, " Go", "Allow method to run to completion\n"},
302 {1, " Information", "Display info about the current method\n"},
303 {1, " Into", "Step into (not over) a method call\n"},
304 {1, " List [# of Aml Opcodes]", "Display method ASL statements\n"},
305 {1, " Locals", "Display method local variables\n"},
306 {1, " Results", "Display method result stack\n"},
307 {1, " Set <A|L> <#> <Value>", "Set method data (Arguments/Locals)\n"},
308 {1, " Stop", "Terminate control method\n"},
309 {5, " Trace <State> [<Namepath>] [Once]", "Trace control method execution\n"},
310 {1, " Enable", "Enable all messages\n"},
311 {1, " Disable", "Disable tracing\n"},
312 {1, " Method", "Enable method execution messages\n"},
313 {1, " Opcode", "Enable opcode execution messages\n"},
314 {1, " Tree", "Display control method calling tree\n"},
315 {1, " <Enter>", "Single step next AML opcode (over calls)\n"},
316
317 #ifdef ACPI_APPLICATION
318 {0, "\nHardware Simulation Commands:", "\n"},
319 {1, " EnableAcpi", "Enable ACPI (hardware) mode\n"},
320 {1, " Event <F|G> <Value>", "Generate AcpiEvent (Fixed/GPE)\n"},
321 {1, " Gpe <GpeNum> [GpeBlockDevice]", "Simulate a GPE\n"},
322 {1, " Gpes", "Display info on all GPE devices\n"},
323 {1, " Sci", "Generate an SCI\n"},
324 {1, " Sleep [SleepState]", "Simulate sleep/wake sequence(s) (0-5)\n"},
325
326 {0, "\nFile I/O Commands:", "\n"},
327 {1, " Close", "Close debug output file\n"},
328 {1, " Load <Input Filename>", "Load ACPI table from a file\n"},
329 {1, " Open <Output Filename>", "Open a file for debug output\n"},
330 {1, " Unload <Namepath>", "Unload an ACPI table via namespace object\n"},
331
332 {0, "\nUser Space Commands:", "\n"},
333 {1, " Terminate", "Delete namespace and all internal objects\n"},
334 {1, " Thread <Threads><Loops><NamePath>", "Spawn threads to execute method(s)\n"},
335
336 {0, "\nDebug Test Commands:", "\n"},
337 {3, " Test <TestName>", "Invoke a debug test\n"},
338 {1, " Objects", "Read/write/compare all namespace data objects\n"},
339 {1, " Predefined", "Execute all ACPI predefined names (_STA, etc.)\n"},
340 #endif
341 {0, NULL, NULL}
342 };
343
344
345 /*******************************************************************************
346 *
347 * FUNCTION: AcpiDbMatchCommandHelp
348 *
349 * PARAMETERS: Command - Command string to match
350 * Help - Help table entry to attempt match
351 *
352 * RETURN: TRUE if command matched, FALSE otherwise
353 *
354 * DESCRIPTION: Attempt to match a command in the help table in order to
355 * print help information for a single command.
356 *
357 ******************************************************************************/
358
359 static BOOLEAN
360 AcpiDbMatchCommandHelp (
361 const char *Command,
362 const ACPI_DB_COMMAND_HELP *Help)
363 {
364 const char *Invocation = Help->Invocation;
365 UINT32 LineCount;
366
367
368 /* Valid commands in the help table begin with a couple of spaces */
369
370 if (*Invocation != ' ')
371 {
372 return (FALSE);
373 }
374
375 while (*Invocation == ' ')
376 {
377 Invocation++;
378 }
379
380 /* Match command name (full command or substring) */
381
382 while ((*Command) && (*Invocation) && (*Invocation != ' '))
383 {
384 if (tolower ((int) *Command) != tolower ((int) *Invocation))
385 {
386 return (FALSE);
387 }
388
389 Invocation++;
390 Command++;
391 }
392
393 /* Print the appropriate number of help lines */
394
395 LineCount = Help->LineCount;
396 while (LineCount)
397 {
398 AcpiOsPrintf ("%-38s : %s", Help->Invocation, Help->Description);
399 Help++;
400 LineCount--;
401 }
402
403 return (TRUE);
404 }
405
406
407 /*******************************************************************************
408 *
409 * FUNCTION: AcpiDbDisplayCommandInfo
410 *
411 * PARAMETERS: Command - Command string to match
412 * DisplayAll - Display all matching commands, or just
413 * the first one (substring match)
414 *
415 * RETURN: None
416 *
417 * DESCRIPTION: Display help information for a Debugger command.
418 *
419 ******************************************************************************/
420
421 static void
422 AcpiDbDisplayCommandInfo (
423 const char *Command,
424 BOOLEAN DisplayAll)
425 {
426 const ACPI_DB_COMMAND_HELP *Next;
427 BOOLEAN Matched;
428
429
430 Next = AcpiGbl_DbCommandHelp;
431 while (Next->Invocation)
432 {
433 Matched = AcpiDbMatchCommandHelp (Command, Next);
434 if (!DisplayAll && Matched)
435 {
436 return;
437 }
438
439 Next++;
440 }
441 }
442
443
444 /*******************************************************************************
445 *
446 * FUNCTION: AcpiDbDisplayHelp
447 *
448 * PARAMETERS: Command - Optional command string to display help.
449 * if not specified, all debugger command
450 * help strings are displayed
451 *
452 * RETURN: None
453 *
454 * DESCRIPTION: Display help for a single debugger command, or all of them.
455 *
456 ******************************************************************************/
457
458 static void
459 AcpiDbDisplayHelp (
460 char *Command)
461 {
462 const ACPI_DB_COMMAND_HELP *Next = AcpiGbl_DbCommandHelp;
463
464
465 if (!Command)
466 {
467 /* No argument to help, display help for all commands */
468
469 while (Next->Invocation)
470 {
471 AcpiOsPrintf ("%-38s%s", Next->Invocation, Next->Description);
472 Next++;
473 }
474 }
475 else
476 {
477 /* Display help for all commands that match the subtring */
478
479 AcpiDbDisplayCommandInfo (Command, TRUE);
480 }
481 }
482
483
484 /*******************************************************************************
485 *
486 * FUNCTION: AcpiDbGetNextToken
487 *
488 * PARAMETERS: String - Command buffer
489 * Next - Return value, end of next token
490 *
491 * RETURN: Pointer to the start of the next token.
492 *
493 * DESCRIPTION: Command line parsing. Get the next token on the command line
494 *
495 ******************************************************************************/
496
497 char *
498 AcpiDbGetNextToken (
499 char *String,
500 char **Next,
501 ACPI_OBJECT_TYPE *ReturnType)
502 {
503 char *Start;
504 UINT32 Depth;
505 ACPI_OBJECT_TYPE Type = ACPI_TYPE_INTEGER;
506
507
508 /* At end of buffer? */
509
510 if (!String || !(*String))
511 {
512 return (NULL);
513 }
514
515 /* Remove any spaces at the beginning */
516
517 if (*String == ' ')
518 {
519 while (*String && (*String == ' '))
520 {
521 String++;
522 }
523
524 if (!(*String))
525 {
526 return (NULL);
527 }
528 }
529
530 switch (*String)
531 {
532 case '"':
533
534 /* This is a quoted string, scan until closing quote */
535
536 String++;
537 Start = String;
538 Type = ACPI_TYPE_STRING;
539
540 /* Find end of string */
541
542 while (*String && (*String != '"'))
543 {
544 String++;
545 }
546 break;
547
548 case '(':
549
550 /* This is the start of a buffer, scan until closing paren */
551
552 String++;
553 Start = String;
554 Type = ACPI_TYPE_BUFFER;
555
556 /* Find end of buffer */
557
558 while (*String && (*String != ')'))
559 {
560 String++;
561 }
562 break;
563
564 case '[':
565
566 /* This is the start of a package, scan until closing bracket */
567
568 String++;
569 Depth = 1;
570 Start = String;
571 Type = ACPI_TYPE_PACKAGE;
572
573 /* Find end of package (closing bracket) */
574
575 while (*String)
576 {
577 /* Handle String package elements */
578
579 if (*String == '"')
580 {
581 /* Find end of string */
582
583 String++;
584 while (*String && (*String != '"'))
585 {
586 String++;
587 }
588 if (!(*String))
589 {
590 break;
591 }
592 }
593 else if (*String == '[')
594 {
595 Depth++; /* A nested package declaration */
596 }
597 else if (*String == ']')
598 {
599 Depth--;
600 if (Depth == 0) /* Found final package closing bracket */
601 {
602 break;
603 }
604 }
605
606 String++;
607 }
608 break;
609
610 default:
611
612 Start = String;
613
614 /* Find end of token */
615
616 while (*String && (*String != ' '))
617 {
618 String++;
619 }
620 break;
621 }
622
623 if (!(*String))
624 {
625 *Next = NULL;
626 }
627 else
628 {
629 *String = 0;
630 *Next = String + 1;
631 }
632
633 *ReturnType = Type;
634 return (Start);
635 }
636
637
638 /*******************************************************************************
639 *
640 * FUNCTION: AcpiDbGetLine
641 *
642 * PARAMETERS: InputBuffer - Command line buffer
643 *
644 * RETURN: Count of arguments to the command
645 *
646 * DESCRIPTION: Get the next command line from the user. Gets entire line
647 * up to the next newline
648 *
649 ******************************************************************************/
650
651 static UINT32
652 AcpiDbGetLine (
653 char *InputBuffer)
654 {
655 UINT32 i;
656 UINT32 Count;
657 char *Next;
658 char *This;
659
660
661 if (AcpiUtSafeStrcpy (AcpiGbl_DbParsedBuf, sizeof (AcpiGbl_DbParsedBuf),
662 InputBuffer))
663 {
664 AcpiOsPrintf (
665 "Buffer overflow while parsing input line (max %u characters)\n",
666 sizeof (AcpiGbl_DbParsedBuf));
667 return (0);
668 }
669
670 This = AcpiGbl_DbParsedBuf;
671 for (i = 0; i < ACPI_DEBUGGER_MAX_ARGS; i++)
672 {
673 AcpiGbl_DbArgs[i] = AcpiDbGetNextToken (This, &Next,
674 &AcpiGbl_DbArgTypes[i]);
675 if (!AcpiGbl_DbArgs[i])
676 {
677 break;
678 }
679
680 This = Next;
681 }
682
683 /* Uppercase the actual command */
684
685 AcpiUtStrupr (AcpiGbl_DbArgs[0]);
686
687 Count = i;
688 if (Count)
689 {
690 Count--; /* Number of args only */
691 }
692
693 return (Count);
694 }
695
696
697 /*******************************************************************************
698 *
699 * FUNCTION: AcpiDbMatchCommand
700 *
701 * PARAMETERS: UserCommand - User command line
702 *
703 * RETURN: Index into command array, -1 if not found
704 *
705 * DESCRIPTION: Search command array for a command match
706 *
707 ******************************************************************************/
708
709 static UINT32
710 AcpiDbMatchCommand (
711 char *UserCommand)
712 {
713 UINT32 i;
714
715
716 if (!UserCommand || UserCommand[0] == 0)
717 {
718 return (CMD_NULL);
719 }
720
721 for (i = CMD_FIRST_VALID; AcpiGbl_DbCommands[i].Name; i++)
722 {
723 if (strstr (AcpiGbl_DbCommands[i].Name, UserCommand) ==
724 AcpiGbl_DbCommands[i].Name)
725 {
726 return (i);
727 }
728 }
729
730 /* Command not recognized */
731
732 return (CMD_NOT_FOUND);
733 }
734
735
736 /*******************************************************************************
737 *
738 * FUNCTION: AcpiDbCommandDispatch
739 *
740 * PARAMETERS: InputBuffer - Command line buffer
741 * WalkState - Current walk
742 * Op - Current (executing) parse op
743 *
744 * RETURN: Status
745 *
746 * DESCRIPTION: Command dispatcher.
747 *
748 ******************************************************************************/
749
750 ACPI_STATUS
751 AcpiDbCommandDispatch (
752 char *InputBuffer,
753 ACPI_WALK_STATE *WalkState,
754 ACPI_PARSE_OBJECT *Op)
755 {
756 UINT32 Temp;
757 UINT32 CommandIndex;
758 UINT32 ParamCount;
759 char *CommandLine;
760 ACPI_STATUS Status = AE_CTRL_TRUE;
761
762
763 /* If AcpiTerminate has been called, terminate this thread */
764
765 if (AcpiGbl_DbTerminateLoop)
766 {
767 return (AE_CTRL_TERMINATE);
768 }
769
770 /* Find command and add to the history buffer */
771
772 ParamCount = AcpiDbGetLine (InputBuffer);
773 CommandIndex = AcpiDbMatchCommand (AcpiGbl_DbArgs[0]);
774 Temp = 0;
775
776 /*
777 * We don't want to add the !! command to the history buffer. It
778 * would cause an infinite loop because it would always be the
779 * previous command.
780 */
781 if (CommandIndex != CMD_HISTORY_LAST)
782 {
783 AcpiDbAddToHistory (InputBuffer);
784 }
785
786 /* Verify that we have the minimum number of params */
787
788 if (ParamCount < AcpiGbl_DbCommands[CommandIndex].MinArgs)
789 {
790 AcpiOsPrintf ("%u parameters entered, [%s] requires %u parameters\n",
791 ParamCount, AcpiGbl_DbCommands[CommandIndex].Name,
792 AcpiGbl_DbCommands[CommandIndex].MinArgs);
793
794 AcpiDbDisplayCommandInfo (
795 AcpiGbl_DbCommands[CommandIndex].Name, FALSE);
796 return (AE_CTRL_TRUE);
797 }
798
799 /* Decode and dispatch the command */
800
801 switch (CommandIndex)
802 {
803 case CMD_NULL:
804
805 if (Op)
806 {
807 return (AE_OK);
808 }
809 break;
810
811 case CMD_ALLOCATIONS:
812
813 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
814 AcpiUtDumpAllocations ((UINT32) -1, NULL);
815 #endif
816 break;
817
818 case CMD_ARGS:
819 case CMD_ARGUMENTS:
820
821 AcpiDbDisplayArguments ();
822 break;
823
824 case CMD_BREAKPOINT:
825
826 AcpiDbSetMethodBreakpoint (AcpiGbl_DbArgs[1], WalkState, Op);
827 break;
828
829 case CMD_BUSINFO:
830
831 AcpiDbGetBusInfo ();
832 break;
833
834 case CMD_CALL:
835
836 AcpiDbSetMethodCallBreakpoint (Op);
837 Status = AE_OK;
838 break;
839
840 case CMD_DEBUG:
841
842 AcpiDbExecute (AcpiGbl_DbArgs[1],
843 &AcpiGbl_DbArgs[2], &AcpiGbl_DbArgTypes[2], EX_SINGLE_STEP);
844 break;
845
846 case CMD_DISASSEMBLE:
847 case CMD_DISASM:
848
849 (void) AcpiDbDisassembleMethod (AcpiGbl_DbArgs[1]);
850 break;
851
852 case CMD_DUMP:
853
854 AcpiDbDecodeAndDisplayObject (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
855 break;
856
857 case CMD_EVALUATE:
858 case CMD_EXECUTE:
859
860 AcpiDbExecute (AcpiGbl_DbArgs[1],
861 &AcpiGbl_DbArgs[2], &AcpiGbl_DbArgTypes[2], EX_NO_SINGLE_STEP);
862 break;
863
864 case CMD_FIND:
865
866 Status = AcpiDbFindNameInNamespace (AcpiGbl_DbArgs[1]);
867 break;
868
869 case CMD_GO:
870
871 AcpiGbl_CmSingleStep = FALSE;
872 return (AE_OK);
873
874 case CMD_HANDLERS:
875
876 AcpiDbDisplayHandlers ();
877 break;
878
879 case CMD_HELP:
880 case CMD_HELP2:
881
882 AcpiDbDisplayHelp (AcpiGbl_DbArgs[1]);
883 break;
884
885 case CMD_HISTORY:
886
887 AcpiDbDisplayHistory ();
888 break;
889
890 case CMD_HISTORY_EXE: /* ! command */
891
892 CommandLine = AcpiDbGetFromHistory (AcpiGbl_DbArgs[1]);
893 if (!CommandLine)
894 {
895 return (AE_CTRL_TRUE);
896 }
897
898 Status = AcpiDbCommandDispatch (CommandLine, WalkState, Op);
899 return (Status);
900
901 case CMD_HISTORY_LAST: /* !! command */
902
903 CommandLine = AcpiDbGetFromHistory (NULL);
904 if (!CommandLine)
905 {
906 return (AE_CTRL_TRUE);
907 }
908
909 Status = AcpiDbCommandDispatch (CommandLine, WalkState, Op);
910 return (Status);
911
912 case CMD_INFORMATION:
913
914 AcpiDbDisplayMethodInfo (Op);
915 break;
916
917 case CMD_INTEGRITY:
918
919 AcpiDbCheckIntegrity ();
920 break;
921
922 case CMD_INTO:
923
924 if (Op)
925 {
926 AcpiGbl_CmSingleStep = TRUE;
927 return (AE_OK);
928 }
929 break;
930
931 case CMD_LEVEL:
932
933 if (ParamCount == 0)
934 {
935 AcpiOsPrintf (
936 "Current debug level for file output is: %8.8lX\n",
937 AcpiGbl_DbDebugLevel);
938 AcpiOsPrintf (
939 "Current debug level for console output is: %8.8lX\n",
940 AcpiGbl_DbConsoleDebugLevel);
941 }
942 else if (ParamCount == 2)
943 {
944 Temp = AcpiGbl_DbConsoleDebugLevel;
945 AcpiGbl_DbConsoleDebugLevel =
946 strtoul (AcpiGbl_DbArgs[1], NULL, 16);
947 AcpiOsPrintf (
948 "Debug Level for console output was %8.8lX, now %8.8lX\n",
949 Temp, AcpiGbl_DbConsoleDebugLevel);
950 }
951 else
952 {
953 Temp = AcpiGbl_DbDebugLevel;
954 AcpiGbl_DbDebugLevel = strtoul (AcpiGbl_DbArgs[1], NULL, 16);
955 AcpiOsPrintf (
956 "Debug Level for file output was %8.8lX, now %8.8lX\n",
957 Temp, AcpiGbl_DbDebugLevel);
958 }
959 break;
960
961 case CMD_LIST:
962
963 AcpiDbDisassembleAml (AcpiGbl_DbArgs[1], Op);
964 break;
965
966 case CMD_LOCKS:
967
968 AcpiDbDisplayLocks ();
969 break;
970
971 case CMD_LOCALS:
972
973 AcpiDbDisplayLocals ();
974 break;
975
976 case CMD_METHODS:
977 Status = AcpiDbDisplayObjects (__UNCONST("METHOD"), AcpiGbl_DbArgs[1]);
978 break;
979
980 case CMD_NAMESPACE:
981
982 AcpiDbDumpNamespace (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
983 break;
984
985 case CMD_NOTIFY:
986
987 Temp = strtoul (AcpiGbl_DbArgs[2], NULL, 0);
988 AcpiDbSendNotify (AcpiGbl_DbArgs[1], Temp);
989 break;
990
991 case CMD_OBJECTS:
992
993 AcpiUtStrupr (AcpiGbl_DbArgs[1]);
994 Status = AcpiDbDisplayObjects (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
995 break;
996
997 case CMD_OSI:
998
999 AcpiDbDisplayInterfaces (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
1000 break;
1001
1002 case CMD_OWNER:
1003
1004 AcpiDbDumpNamespaceByOwner (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
1005 break;
1006
1007 case CMD_PATHS:
1008
1009 AcpiDbDumpNamespacePaths ();
1010 break;
1011
1012 case CMD_PREFIX:
1013
1014 AcpiDbSetScope (AcpiGbl_DbArgs[1]);
1015 break;
1016
1017 case CMD_REFERENCES:
1018
1019 AcpiDbFindReferences (AcpiGbl_DbArgs[1]);
1020 break;
1021
1022 case CMD_RESOURCES:
1023
1024 AcpiDbDisplayResources (AcpiGbl_DbArgs[1]);
1025 break;
1026
1027 case CMD_RESULTS:
1028
1029 AcpiDbDisplayResults ();
1030 break;
1031
1032 case CMD_SET:
1033
1034 AcpiDbSetMethodData (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2],
1035 AcpiGbl_DbArgs[3]);
1036 break;
1037
1038 case CMD_STATS:
1039
1040 Status = AcpiDbDisplayStatistics (AcpiGbl_DbArgs[1]);
1041 break;
1042
1043 case CMD_STOP:
1044
1045 return (AE_NOT_IMPLEMENTED);
1046
1047 case CMD_TABLES:
1048
1049 AcpiDbDisplayTableInfo (AcpiGbl_DbArgs[1]);
1050 break;
1051
1052 case CMD_TEMPLATE:
1053
1054 AcpiDbDisplayTemplate (AcpiGbl_DbArgs[1]);
1055 break;
1056
1057 case CMD_TRACE:
1058
1059 AcpiDbTrace (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2], AcpiGbl_DbArgs[3]);
1060 break;
1061
1062 case CMD_TREE:
1063
1064 AcpiDbDisplayCallingTree ();
1065 break;
1066
1067 case CMD_TYPE:
1068
1069 AcpiDbDisplayObjectType (AcpiGbl_DbArgs[1]);
1070 break;
1071
1072 #ifdef ACPI_APPLICATION
1073
1074 /* Hardware simulation commands. */
1075
1076 case CMD_ENABLEACPI:
1077 #if (!ACPI_REDUCED_HARDWARE)
1078
1079 Status = AcpiEnable();
1080 if (ACPI_FAILURE(Status))
1081 {
1082 AcpiOsPrintf("AcpiEnable failed (Status=%X)\n", Status);
1083 return (Status);
1084 }
1085 #endif /* !ACPI_REDUCED_HARDWARE */
1086 break;
1087
1088 case CMD_EVENT:
1089
1090 AcpiOsPrintf ("Event command not implemented\n");
1091 break;
1092
1093 case CMD_GPE:
1094
1095 AcpiDbGenerateGpe (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
1096 break;
1097
1098 case CMD_GPES:
1099
1100 AcpiDbDisplayGpes ();
1101 break;
1102
1103 case CMD_SCI:
1104
1105 AcpiDbGenerateSci ();
1106 break;
1107
1108 case CMD_SLEEP:
1109
1110 Status = AcpiDbSleep (AcpiGbl_DbArgs[1]);
1111 break;
1112
1113 /* File I/O commands. */
1114
1115 case CMD_CLOSE:
1116
1117 AcpiDbCloseDebugFile ();
1118 break;
1119
1120 case CMD_LOAD:
1121 {
1122 ACPI_NEW_TABLE_DESC *ListHead = NULL;
1123
1124 Status = AcGetAllTablesFromFile (AcpiGbl_DbArgs[1],
1125 ACPI_GET_ALL_TABLES, &ListHead);
1126 if (ACPI_SUCCESS (Status))
1127 {
1128 AcpiDbLoadTables (ListHead);
1129 }
1130 }
1131 break;
1132
1133 case CMD_OPEN:
1134
1135 AcpiDbOpenDebugFile (AcpiGbl_DbArgs[1]);
1136 break;
1137
1138 /* User space commands. */
1139
1140 case CMD_TERMINATE:
1141
1142 AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT);
1143 AcpiUtSubsystemShutdown ();
1144
1145 /*
1146 * TBD: [Restructure] Need some way to re-initialize without
1147 * re-creating the semaphores!
1148 */
1149
1150 AcpiGbl_DbTerminateLoop = TRUE;
1151 /* AcpiInitialize (NULL); */
1152 break;
1153
1154 case CMD_THREADS:
1155
1156 AcpiDbCreateExecutionThreads (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2],
1157 AcpiGbl_DbArgs[3]);
1158 break;
1159
1160 /* Debug test commands. */
1161
1162 case CMD_PREDEFINED:
1163
1164 AcpiDbCheckPredefinedNames ();
1165 break;
1166
1167 case CMD_TEST:
1168
1169 AcpiDbExecuteTest (AcpiGbl_DbArgs[1]);
1170 break;
1171
1172 case CMD_UNLOAD:
1173
1174 AcpiDbUnloadAcpiTable (AcpiGbl_DbArgs[1]);
1175 break;
1176 #endif
1177
1178 case CMD_EXIT:
1179 case CMD_QUIT:
1180
1181 if (Op)
1182 {
1183 AcpiOsPrintf ("Method execution terminated\n");
1184 return (AE_CTRL_TERMINATE);
1185 }
1186
1187 if (!AcpiGbl_DbOutputToFile)
1188 {
1189 AcpiDbgLevel = ACPI_DEBUG_DEFAULT;
1190 }
1191
1192 #ifdef ACPI_APPLICATION
1193 AcpiDbCloseDebugFile ();
1194 #endif
1195 AcpiGbl_DbTerminateLoop = TRUE;
1196 return (AE_CTRL_TERMINATE);
1197
1198 case CMD_NOT_FOUND:
1199 default:
1200
1201 AcpiOsPrintf ("%s: unknown command\n", AcpiGbl_DbArgs[0]);
1202 return (AE_CTRL_TRUE);
1203 }
1204
1205 if (ACPI_SUCCESS (Status))
1206 {
1207 Status = AE_CTRL_TRUE;
1208 }
1209
1210 return (Status);
1211 }
1212
1213
1214 /*******************************************************************************
1215 *
1216 * FUNCTION: AcpiDbExecuteThread
1217 *
1218 * PARAMETERS: Context - Not used
1219 *
1220 * RETURN: None
1221 *
1222 * DESCRIPTION: Debugger execute thread. Waits for a command line, then
1223 * simply dispatches it.
1224 *
1225 ******************************************************************************/
1226
1227 void ACPI_SYSTEM_XFACE
1228 AcpiDbExecuteThread (
1229 void *Context)
1230 {
1231 ACPI_STATUS Status = AE_OK;
1232 ACPI_STATUS MStatus;
1233
1234
1235 while (Status != AE_CTRL_TERMINATE && !AcpiGbl_DbTerminateLoop)
1236 {
1237 AcpiGbl_MethodExecuting = FALSE;
1238 AcpiGbl_StepToNextCall = FALSE;
1239
1240 MStatus = AcpiOsAcquireMutex (AcpiGbl_DbCommandReady,
1241 ACPI_WAIT_FOREVER);
1242 if (ACPI_FAILURE (MStatus))
1243 {
1244 return;
1245 }
1246
1247 Status = AcpiDbCommandDispatch (AcpiGbl_DbLineBuf, NULL, NULL);
1248
1249 AcpiOsReleaseMutex (AcpiGbl_DbCommandComplete);
1250 }
1251 AcpiGbl_DbThreadsTerminated = TRUE;
1252 }
1253
1254
1255 /*******************************************************************************
1256 *
1257 * FUNCTION: AcpiDbSingleThread
1258 *
1259 * PARAMETERS: None
1260 *
1261 * RETURN: None
1262 *
1263 * DESCRIPTION: Debugger execute thread. Waits for a command line, then
1264 * simply dispatches it.
1265 *
1266 ******************************************************************************/
1267
1268 static void
1269 AcpiDbSingleThread (
1270 void)
1271 {
1272
1273 AcpiGbl_MethodExecuting = FALSE;
1274 AcpiGbl_StepToNextCall = FALSE;
1275
1276 (void) AcpiDbCommandDispatch (AcpiGbl_DbLineBuf, NULL, NULL);
1277 }
1278
1279
1280 /*******************************************************************************
1281 *
1282 * FUNCTION: AcpiDbUserCommands
1283 *
1284 * PARAMETERS: Prompt - User prompt (depends on mode)
1285 * Op - Current executing parse op
1286 *
1287 * RETURN: None
1288 *
1289 * DESCRIPTION: Command line execution for the AML debugger. Commands are
1290 * matched and dispatched here.
1291 *
1292 ******************************************************************************/
1293
1294 ACPI_STATUS
1295 AcpiDbUserCommands (
1296 char Prompt,
1297 ACPI_PARSE_OBJECT *Op)
1298 {
1299 ACPI_STATUS Status = AE_OK;
1300
1301
1302 AcpiOsPrintf ("\n");
1303
1304 /* TBD: [Restructure] Need a separate command line buffer for step mode */
1305
1306 while (!AcpiGbl_DbTerminateLoop)
1307 {
1308 /* Force output to console until a command is entered */
1309
1310 AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
1311
1312 /* Different prompt if method is executing */
1313
1314 if (!AcpiGbl_MethodExecuting)
1315 {
1316 AcpiOsPrintf ("%1c ", ACPI_DEBUGGER_COMMAND_PROMPT);
1317 }
1318 else
1319 {
1320 AcpiOsPrintf ("%1c ", ACPI_DEBUGGER_EXECUTE_PROMPT);
1321 }
1322
1323 /* Get the user input line */
1324
1325 Status = AcpiOsGetLine (AcpiGbl_DbLineBuf,
1326 ACPI_DB_LINE_BUFFER_SIZE, NULL);
1327 if (ACPI_FAILURE (Status))
1328 {
1329 ACPI_EXCEPTION ((AE_INFO, Status, "While parsing command line"));
1330 return (Status);
1331 }
1332
1333 /* Check for single or multithreaded debug */
1334
1335 if (AcpiGbl_DebuggerConfiguration & DEBUGGER_MULTI_THREADED)
1336 {
1337 /*
1338 * Signal the debug thread that we have a command to execute,
1339 * and wait for the command to complete.
1340 */
1341 AcpiOsReleaseMutex (AcpiGbl_DbCommandReady);
1342
1343 Status = AcpiOsAcquireMutex (AcpiGbl_DbCommandComplete,
1344 ACPI_WAIT_FOREVER);
1345 if (ACPI_FAILURE (Status))
1346 {
1347 return (Status);
1348 }
1349 }
1350 else
1351 {
1352 /* Just call to the command line interpreter */
1353
1354 AcpiDbSingleThread ();
1355 }
1356 }
1357
1358 return (Status);
1359 }
1360