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1 /*******************************************************************************
2  *
3  * Module Name: dbinput - user front-end to the AML debugger
4  *
5  ******************************************************************************/
6
7 /*
8  * Copyright (C) 2000 - 2013, 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
45 #include <contrib/dev/acpica/include/acpi.h>
46 #include <contrib/dev/acpica/include/accommon.h>
47 #include <contrib/dev/acpica/include/acdebug.h>
48
49
50 #ifdef ACPI_DEBUGGER
51
52 #define _COMPONENT          ACPI_CA_DEBUGGER
53         ACPI_MODULE_NAME    ("dbinput")
54
55 /* Local prototypes */
56
57 static UINT32
58 AcpiDbGetLine (
59     char                    *InputBuffer);
60
61 static UINT32
62 AcpiDbMatchCommand (
63     char                    *UserCommand);
64
65 static void
66 AcpiDbSingleThread (
67     void);
68
69 static void
70 AcpiDbDisplayCommandInfo (
71     char                    *Command,
72     BOOLEAN                 DisplayAll);
73
74 static void
75 AcpiDbDisplayHelp (
76     char                    *Command);
77
78 static BOOLEAN
79 AcpiDbMatchCommandHelp (
80     char                        *Command,
81     const ACPI_DB_COMMAND_HELP  *Help);
82
83
84 /*
85  * Top-level debugger commands.
86  *
87  * This list of commands must match the string table below it
88  */
89 enum AcpiExDebuggerCommands
90 {
91     CMD_NOT_FOUND = 0,
92     CMD_NULL,
93     CMD_ALLOCATIONS,
94     CMD_ARGS,
95     CMD_ARGUMENTS,
96     CMD_BATCH,
97     CMD_BREAKPOINT,
98     CMD_BUSINFO,
99     CMD_CALL,
100     CMD_CLOSE,
101     CMD_DEBUG,
102     CMD_DISASSEMBLE,
103     CMD_DISASM,
104     CMD_DUMP,
105     CMD_ENABLEACPI,
106     CMD_EVALUATE,
107     CMD_EVENT,
108     CMD_EXECUTE,
109     CMD_EXIT,
110     CMD_FIND,
111     CMD_GO,
112     CMD_GPE,
113     CMD_GPES,
114     CMD_HANDLERS,
115     CMD_HELP,
116     CMD_HELP2,
117     CMD_HISTORY,
118     CMD_HISTORY_EXE,
119     CMD_HISTORY_LAST,
120     CMD_INFORMATION,
121     CMD_INTEGRITY,
122     CMD_INTO,
123     CMD_LEVEL,
124     CMD_LIST,
125     CMD_LOAD,
126     CMD_LOCALS,
127     CMD_LOCKS,
128     CMD_METHODS,
129     CMD_NAMESPACE,
130     CMD_NOTIFY,
131     CMD_OBJECT,
132     CMD_OPEN,
133     CMD_OSI,
134     CMD_OWNER,
135     CMD_PATHS,
136     CMD_PREDEFINED,
137     CMD_PREFIX,
138     CMD_QUIT,
139     CMD_REFERENCES,
140     CMD_RESOURCES,
141     CMD_RESULTS,
142     CMD_SCI,
143     CMD_SET,
144     CMD_SLEEP,
145     CMD_STATS,
146     CMD_STOP,
147     CMD_TABLES,
148     CMD_TEMPLATE,
149     CMD_TERMINATE,
150     CMD_THREADS,
151     CMD_TRACE,
152     CMD_TREE,
153     CMD_TYPE,
154     CMD_UNLOAD
155 };
156
157 #define CMD_FIRST_VALID     2
158
159
160 /* Second parameter is the required argument count */
161
162 static const ACPI_DB_COMMAND_INFO   AcpiGbl_DbCommands[] =
163 {
164     {"<NOT FOUND>",  0},
165     {"<NULL>",       0},
166     {"ALLOCATIONS",  0},
167     {"ARGS",         0},
168     {"ARGUMENTS",    0},
169     {"BATCH",        0},
170     {"BREAKPOINT",   1},
171     {"BUSINFO",      0},
172     {"CALL",         0},
173     {"CLOSE",        0},
174     {"DEBUG",        1},
175     {"DISASSEMBLE",  1},
176     {"DISASM",       1},
177     {"DUMP",         1},
178     {"ENABLEACPI",   0},
179     {"EVALUATE",     1},
180     {"EVENT",        1},
181     {"EXECUTE",      1},
182     {"EXIT",         0},
183     {"FIND",         1},
184     {"GO",           0},
185     {"GPE",          2},
186     {"GPES",         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     {"LOAD",         1},
199     {"LOCALS",       0},
200     {"LOCKS",        0},
201     {"METHODS",      0},
202     {"NAMESPACE",    0},
203     {"NOTIFY",       2},
204     {"OBJECT",       1},
205     {"OPEN",         1},
206     {"OSI",          0},
207     {"OWNER",        1},
208     {"PATHS",        0},
209     {"PREDEFINED",   0},
210     {"PREFIX",       0},
211     {"QUIT",         0},
212     {"REFERENCES",   1},
213     {"RESOURCES",    0},
214     {"RESULTS",      0},
215     {"SCI",          0},
216     {"SET",          3},
217     {"SLEEP",        0},
218     {"STATS",        1},
219     {"STOP",         0},
220     {"TABLES",       0},
221     {"TEMPLATE",     1},
222     {"TERMINATE",    0},
223     {"THREADS",      3},
224     {"TRACE",        1},
225     {"TREE",         0},
226     {"TYPE",         1},
227     {"UNLOAD",       1},
228     {NULL,           0}
229 };
230
231 /*
232  * Help for all debugger commands. First argument is the number of lines
233  * of help to output for the command.
234  */
235 static const ACPI_DB_COMMAND_HELP   AcpiGbl_DbCommandHelp[] =
236 {
237     {0, "\nGeneral-Purpose Commands:",         "\n"},
238     {1, "  Allocations",                       "Display list of current memory allocations\n"},
239     {2, "  Dump <Address>|<Namepath>",         "\n"},
240     {0, "       [Byte|Word|Dword|Qword]",      "Display ACPI objects or memory\n"},
241     {1, "  EnableAcpi",                        "Enable ACPI (hardware) mode\n"},
242     {1, "  Handlers",                          "Info about global handlers\n"},
243     {1, "  Help [Command]",                    "This help screen or individual command\n"},
244     {1, "  History",                           "Display command history buffer\n"},
245     {1, "  Level <DebugLevel>] [console]",     "Get/Set debug level for file or console\n"},
246     {1, "  Locks",                             "Current status of internal mutexes\n"},
247     {1, "  Osi [Install|Remove <name>]",       "Display or modify global _OSI list\n"},
248     {1, "  Quit or Exit",                      "Exit this command\n"},
249     {9, "  Stats [Allocations|Memory|Misc|",   "\n"},
250     {1, "      Objects|Sizes|Stack|Tables]",   "Display namespace and memory statistics\n"},
251     {1, "     Allocations",                    "Display list of current memory allocations\n"},
252     {1, "     Memory",                         "Dump internal memory lists\n"},
253     {1, "     Misc",                           "Namespace search and mutex stats\n"},
254     {1, "     Objects",                        "Summary of namespace objects\n"},
255     {1, "     Sizes",                          "Sizes for each of the internal objects\n"},
256     {1, "     Stack",                          "Display CPU stack usage\n"},
257     {1, "     Tables",                         "Info about current ACPI table(s)\n"},
258     {1, "  Tables",                            "Display info about loaded ACPI tables\n"},
259     {1, "  Unload <Namepath>",                 "Unload an ACPI table via namespace object\n"},
260     {1, "  ! <CommandNumber>",                 "Execute command from history buffer\n"},
261     {1, "  !!",                                "Execute last command again\n"},
262
263     {0, "\nNamespace Access Commands:",        "\n"},
264     {1, "  Businfo",                           "Display system bus info\n"},
265     {1, "  Disassemble <Method>",              "Disassemble a control method\n"},
266     {1, "  Find <AcpiName> (? is wildcard)",   "Find ACPI name(s) with wildcards\n"},
267     {1, "  Integrity",                         "Validate namespace integrity\n"},
268     {1, "  Methods",                           "Display list of loaded control methods\n"},
269     {1, "  Namespace [Object] [Depth]",        "Display loaded namespace tree/subtree\n"},
270     {1, "  Notify <Object> <Value>",           "Send a notification on Object\n"},
271     {1, "  Objects <ObjectType>",              "Display all objects of the given type\n"},
272     {1, "  Owner <OwnerId> [Depth]",           "Display loaded namespace by object owner\n"},
273     {1, "  Paths",                             "Display full pathnames of namespace objects\n"},
274     {1, "  Predefined",                        "Check all predefined names\n"},
275     {1, "  Prefix [<NamePath>]",               "Set or Get current execution prefix\n"},
276     {1, "  References <Addr>",                 "Find all references to object at addr\n"},
277     {1, "  Resources [DeviceName]",            "Display Device resources (no arg = all devices)\n"},
278     {1, "  Set N <NamedObject> <Value>",       "Set value for named integer\n"},
279     {1, "  Template <Object>",                 "Format/dump a Buffer/ResourceTemplate\n"},
280     {1, "  Terminate",                         "Delete namespace and all internal objects\n"},
281     {1, "  Type <Object>",                     "Display object type\n"},
282
283     {0, "\nControl Method Execution Commands:","\n"},
284     {1, "  Arguments (or Args)",               "Display method arguments\n"},
285     {1, "  Breakpoint <AmlOffset>",            "Set an AML execution breakpoint\n"},
286     {1, "  Call",                              "Run to next control method invocation\n"},
287     {1, "  Debug <Namepath> [Arguments]",      "Single Step a control method\n"},
288     {6, "  Evaluate",                          "Synonym for Execute\n"},
289     {5, "  Execute <Namepath> [Arguments]",    "Execute control method\n"},
290     {1, "     Hex Integer",                    "Integer method argument\n"},
291     {1, "     \"Ascii String\"",               "String method argument\n"},
292     {1, "     (Hex Byte List)",                "Buffer method argument\n"},
293     {1, "     [Package Element List]",         "Package method argument\n"},
294     {1, "  Go",                                "Allow method to run to completion\n"},
295     {1, "  Information",                       "Display info about the current method\n"},
296     {1, "  Into",                              "Step into (not over) a method call\n"},
297     {1, "  List [# of Aml Opcodes]",           "Display method ASL statements\n"},
298     {1, "  Locals",                            "Display method local variables\n"},
299     {1, "  Results",                           "Display method result stack\n"},
300     {1, "  Set <A|L> <#> <Value>",             "Set method data (Arguments/Locals)\n"},
301     {1, "  Stop",                              "Terminate control method\n"},
302     {1, "  Thread <Threads><Loops><NamePath>", "Spawn threads to execute method(s)\n"},
303     {1, "  Trace <method name>",               "Trace method execution\n"},
304     {1, "  Tree",                              "Display control method calling tree\n"},
305     {1, "  <Enter>",                           "Single step next AML opcode (over calls)\n"},
306
307     {0, "\nHardware Related Commands:",         "\n"},
308     {1, "  Event <F|G> <Value>",               "Generate AcpiEvent (Fixed/GPE)\n"},
309     {1, "  Gpe <GpeNum> <GpeBlock>",           "Simulate a GPE\n"},
310     {1, "  Gpes",                              "Display info on all GPEs\n"},
311     {1, "  Sci",                               "Generate an SCI\n"},
312     {1, "  Sleep [SleepState]",                "Simulate sleep/wake sequence(s) (0-5)\n"},
313
314     {0, "\nFile I/O Commands:",                "\n"},
315     {1, "  Close",                             "Close debug output file\n"},
316     {1, "  Load <Input Filename>",             "Load ACPI table from a file\n"},
317     {1, "  Open <Output Filename>",            "Open a file for debug output\n"},
318     {0, NULL, NULL}
319 };
320
321
322 /*******************************************************************************
323  *
324  * FUNCTION:    AcpiDbMatchCommandHelp
325  *
326  * PARAMETERS:  Command             - Command string to match
327  *              Help                - Help table entry to attempt match
328  *
329  * RETURN:      TRUE if command matched, FALSE otherwise
330  *
331  * DESCRIPTION: Attempt to match a command in the help table in order to
332  *              print help information for a single command.
333  *
334  ******************************************************************************/
335
336 static BOOLEAN
337 AcpiDbMatchCommandHelp (
338     char                        *Command,
339     const ACPI_DB_COMMAND_HELP  *Help)
340 {
341     char                    *Invocation = Help->Invocation;
342     UINT32                  LineCount;
343
344
345     /* Valid commands in the help table begin with a couple of spaces */
346
347     if (*Invocation != ' ')
348     {
349         return (FALSE);
350     }
351
352     while (*Invocation == ' ')
353     {
354         Invocation++;
355     }
356
357     /* Match command name (full command or substring) */
358
359     while ((*Command) && (*Invocation) && (*Invocation != ' '))
360     {
361         if (ACPI_TOLOWER (*Command) != ACPI_TOLOWER (*Invocation))
362         {
363             return (FALSE);
364         }
365
366         Invocation++;
367         Command++;
368     }
369
370     /* Print the appropriate number of help lines */
371
372     LineCount = Help->LineCount;
373     while (LineCount)
374     {
375         AcpiOsPrintf ("%-38s : %s", Help->Invocation, Help->Description);
376         Help++;
377         LineCount--;
378     }
379
380     return (TRUE);
381 }
382
383
384 /*******************************************************************************
385  *
386  * FUNCTION:    AcpiDbDisplayCommandInfo
387  *
388  * PARAMETERS:  Command             - Command string to match
389  *              DisplayAll          - Display all matching commands, or just
390  *                                    the first one (substring match)
391  *
392  * RETURN:      None
393  *
394  * DESCRIPTION: Display help information for a Debugger command.
395  *
396  ******************************************************************************/
397
398 static void
399 AcpiDbDisplayCommandInfo (
400     char                    *Command,
401     BOOLEAN                 DisplayAll)
402 {
403     const ACPI_DB_COMMAND_HELP  *Next;
404     BOOLEAN                     Matched;
405
406
407     Next = AcpiGbl_DbCommandHelp;
408     while (Next->Invocation)
409     {
410         Matched = AcpiDbMatchCommandHelp (Command, Next);
411         if (!DisplayAll && Matched)
412         {
413             return;
414         }
415
416         Next++;
417     }
418 }
419
420
421 /*******************************************************************************
422  *
423  * FUNCTION:    AcpiDbDisplayHelp
424  *
425  * PARAMETERS:  Command             - Optional command string to display help.
426  *                                    if not specified, all debugger command
427  *                                    help strings are displayed
428  *
429  * RETURN:      None
430  *
431  * DESCRIPTION: Display help for a single debugger command, or all of them.
432  *
433  ******************************************************************************/
434
435 static void
436 AcpiDbDisplayHelp (
437     char                    *Command)
438 {
439     const ACPI_DB_COMMAND_HELP  *Next = AcpiGbl_DbCommandHelp;
440
441
442     if (!Command)
443     {
444         /* No argument to help, display help for all commands */
445
446         while (Next->Invocation)
447         {
448             AcpiOsPrintf ("%-38s%s", Next->Invocation, Next->Description);
449             Next++;
450         }
451     }
452     else
453     {
454         /* Display help for all commands that match the subtring */
455
456         AcpiDbDisplayCommandInfo (Command, TRUE);
457     }
458 }
459
460
461 /*******************************************************************************
462  *
463  * FUNCTION:    AcpiDbGetNextToken
464  *
465  * PARAMETERS:  String          - Command buffer
466  *              Next            - Return value, end of next token
467  *
468  * RETURN:      Pointer to the start of the next token.
469  *
470  * DESCRIPTION: Command line parsing. Get the next token on the command line
471  *
472  ******************************************************************************/
473
474 char *
475 AcpiDbGetNextToken (
476     char                    *String,
477     char                    **Next,
478     ACPI_OBJECT_TYPE        *ReturnType)
479 {
480     char                    *Start;
481     UINT32                  Depth;
482     ACPI_OBJECT_TYPE        Type = ACPI_TYPE_INTEGER;
483
484
485     /* At end of buffer? */
486
487     if (!String || !(*String))
488     {
489         return (NULL);
490     }
491
492     /* Remove any spaces at the beginning */
493
494     if (*String == ' ')
495     {
496         while (*String && (*String == ' '))
497         {
498             String++;
499         }
500
501         if (!(*String))
502         {
503             return (NULL);
504         }
505     }
506
507     switch (*String)
508     {
509     case '"':
510
511         /* This is a quoted string, scan until closing quote */
512
513         String++;
514         Start = String;
515         Type = ACPI_TYPE_STRING;
516
517         /* Find end of string */
518
519         while (*String && (*String != '"'))
520         {
521             String++;
522         }
523         break;
524
525     case '(':
526
527         /* This is the start of a buffer, scan until closing paren */
528
529         String++;
530         Start = String;
531         Type = ACPI_TYPE_BUFFER;
532
533         /* Find end of buffer */
534
535         while (*String && (*String != ')'))
536         {
537             String++;
538         }
539         break;
540
541     case '[':
542
543         /* This is the start of a package, scan until closing bracket */
544
545         String++;
546         Depth = 1;
547         Start = String;
548         Type = ACPI_TYPE_PACKAGE;
549
550         /* Find end of package (closing bracket) */
551
552         while (*String)
553         {
554             /* Handle String package elements */
555
556             if (*String == '"')
557             {
558                 /* Find end of string */
559
560                 String++;
561                 while (*String && (*String != '"'))
562                 {
563                     String++;
564                 }
565                 if (!(*String))
566                 {
567                     break;
568                 }
569             }
570             else if (*String == '[')
571             {
572                 Depth++;         /* A nested package declaration */
573             }
574             else if (*String == ']')
575             {
576                 Depth--;
577                 if (Depth == 0) /* Found final package closing bracket */
578                 {
579                     break;
580                 }
581             }
582
583             String++;
584         }
585         break;
586
587     default:
588
589         Start = String;
590
591         /* Find end of token */
592
593         while (*String && (*String != ' '))
594         {
595             String++;
596         }
597         break;
598     }
599
600     if (!(*String))
601     {
602         *Next = NULL;
603     }
604     else
605     {
606         *String = 0;
607         *Next = String + 1;
608     }
609
610     *ReturnType = Type;
611     return (Start);
612 }
613
614
615 /*******************************************************************************
616  *
617  * FUNCTION:    AcpiDbGetLine
618  *
619  * PARAMETERS:  InputBuffer         - Command line buffer
620  *
621  * RETURN:      Count of arguments to the command
622  *
623  * DESCRIPTION: Get the next command line from the user. Gets entire line
624  *              up to the next newline
625  *
626  ******************************************************************************/
627
628 static UINT32
629 AcpiDbGetLine (
630     char                    *InputBuffer)
631 {
632     UINT32                  i;
633     UINT32                  Count;
634     char                    *Next;
635     char                    *This;
636
637
638     ACPI_STRCPY (AcpiGbl_DbParsedBuf, InputBuffer);
639
640     This = AcpiGbl_DbParsedBuf;
641     for (i = 0; i < ACPI_DEBUGGER_MAX_ARGS; i++)
642     {
643         AcpiGbl_DbArgs[i] = AcpiDbGetNextToken (This, &Next,
644             &AcpiGbl_DbArgTypes[i]);
645         if (!AcpiGbl_DbArgs[i])
646         {
647             break;
648         }
649
650         This = Next;
651     }
652
653     /* Uppercase the actual command */
654
655     if (AcpiGbl_DbArgs[0])
656     {
657         AcpiUtStrupr (AcpiGbl_DbArgs[0]);
658     }
659
660     Count = i;
661     if (Count)
662     {
663         Count--;  /* Number of args only */
664     }
665
666     return (Count);
667 }
668
669
670 /*******************************************************************************
671  *
672  * FUNCTION:    AcpiDbMatchCommand
673  *
674  * PARAMETERS:  UserCommand             - User command line
675  *
676  * RETURN:      Index into command array, -1 if not found
677  *
678  * DESCRIPTION: Search command array for a command match
679  *
680  ******************************************************************************/
681
682 static UINT32
683 AcpiDbMatchCommand (
684     char                    *UserCommand)
685 {
686     UINT32                  i;
687
688
689     if (!UserCommand || UserCommand[0] == 0)
690     {
691         return (CMD_NULL);
692     }
693
694     for (i = CMD_FIRST_VALID; AcpiGbl_DbCommands[i].Name; i++)
695     {
696         if (ACPI_STRSTR (AcpiGbl_DbCommands[i].Name, UserCommand) ==
697                          AcpiGbl_DbCommands[i].Name)
698         {
699             return (i);
700         }
701     }
702
703     /* Command not recognized */
704
705     return (CMD_NOT_FOUND);
706 }
707
708
709 /*******************************************************************************
710  *
711  * FUNCTION:    AcpiDbCommandDispatch
712  *
713  * PARAMETERS:  InputBuffer         - Command line buffer
714  *              WalkState           - Current walk
715  *              Op                  - Current (executing) parse op
716  *
717  * RETURN:      Status
718  *
719  * DESCRIPTION: Command dispatcher.
720  *
721  ******************************************************************************/
722
723 ACPI_STATUS
724 AcpiDbCommandDispatch (
725     char                    *InputBuffer,
726     ACPI_WALK_STATE         *WalkState,
727     ACPI_PARSE_OBJECT       *Op)
728 {
729     UINT32                  Temp;
730     UINT32                  CommandIndex;
731     UINT32                  ParamCount;
732     char                    *CommandLine;
733     ACPI_STATUS             Status = AE_CTRL_TRUE;
734
735
736     /* If AcpiTerminate has been called, terminate this thread */
737
738     if (AcpiGbl_DbTerminateThreads)
739     {
740         return (AE_CTRL_TERMINATE);
741     }
742
743     ParamCount = AcpiDbGetLine (InputBuffer);
744     CommandIndex = AcpiDbMatchCommand (AcpiGbl_DbArgs[0]);
745     Temp = 0;
746
747     /* Verify that we have the minimum number of params */
748
749     if (ParamCount < AcpiGbl_DbCommands[CommandIndex].MinArgs)
750     {
751         AcpiOsPrintf ("%u parameters entered, [%s] requires %u parameters\n",
752             ParamCount, AcpiGbl_DbCommands[CommandIndex].Name,
753             AcpiGbl_DbCommands[CommandIndex].MinArgs);
754
755         AcpiDbDisplayCommandInfo (AcpiGbl_DbCommands[CommandIndex].Name, FALSE);
756         return (AE_CTRL_TRUE);
757     }
758
759     /* Decode and dispatch the command */
760
761     switch (CommandIndex)
762     {
763     case CMD_NULL:
764
765         if (Op)
766         {
767             return (AE_OK);
768         }
769         break;
770
771     case CMD_ALLOCATIONS:
772
773 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
774         AcpiUtDumpAllocations ((UINT32) -1, NULL);
775 #endif
776         break;
777
778     case CMD_ARGS:
779     case CMD_ARGUMENTS:
780
781         AcpiDbDisplayArguments ();
782         break;
783
784     case CMD_BATCH:
785
786         AcpiDbBatchExecute (AcpiGbl_DbArgs[1]);
787         break;
788
789     case CMD_BREAKPOINT:
790
791         AcpiDbSetMethodBreakpoint (AcpiGbl_DbArgs[1], WalkState, Op);
792         break;
793
794     case CMD_BUSINFO:
795
796         AcpiDbGetBusInfo ();
797         break;
798
799     case CMD_CALL:
800
801         AcpiDbSetMethodCallBreakpoint (Op);
802         Status = AE_OK;
803         break;
804
805     case CMD_CLOSE:
806
807         AcpiDbCloseDebugFile ();
808         break;
809
810     case CMD_DEBUG:
811
812         AcpiDbExecute (AcpiGbl_DbArgs[1],
813             &AcpiGbl_DbArgs[2], &AcpiGbl_DbArgTypes[2], EX_SINGLE_STEP);
814         break;
815
816     case CMD_DISASSEMBLE:
817     case CMD_DISASM:
818
819         (void) AcpiDbDisassembleMethod (AcpiGbl_DbArgs[1]);
820         break;
821
822     case CMD_DUMP:
823
824         AcpiDbDecodeAndDisplayObject (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
825         break;
826
827     case CMD_ENABLEACPI:
828 #if (!ACPI_REDUCED_HARDWARE)
829
830         Status = AcpiEnable();
831         if (ACPI_FAILURE(Status))
832         {
833             AcpiOsPrintf("AcpiEnable failed (Status=%X)\n", Status);
834             return (Status);
835         }
836 #endif /* !ACPI_REDUCED_HARDWARE */
837         break;
838
839     case CMD_EVENT:
840
841         AcpiOsPrintf ("Event command not implemented\n");
842         break;
843
844     case CMD_EVALUATE:
845     case CMD_EXECUTE:
846
847         AcpiDbExecute (AcpiGbl_DbArgs[1],
848             &AcpiGbl_DbArgs[2], &AcpiGbl_DbArgTypes[2], EX_NO_SINGLE_STEP);
849         break;
850
851     case CMD_FIND:
852
853         Status = AcpiDbFindNameInNamespace (AcpiGbl_DbArgs[1]);
854         break;
855
856     case CMD_GO:
857
858         AcpiGbl_CmSingleStep = FALSE;
859         return (AE_OK);
860
861     case CMD_GPE:
862
863         AcpiDbGenerateGpe (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
864         break;
865
866     case CMD_GPES:
867
868         AcpiDbDisplayGpes ();
869         break;
870
871     case CMD_HANDLERS:
872
873         AcpiDbDisplayHandlers ();
874         break;
875
876     case CMD_HELP:
877     case CMD_HELP2:
878
879         AcpiDbDisplayHelp (AcpiGbl_DbArgs[1]);
880         break;
881
882     case CMD_HISTORY:
883
884         AcpiDbDisplayHistory ();
885         break;
886
887     case CMD_HISTORY_EXE: /* ! command */
888
889         CommandLine = AcpiDbGetFromHistory (AcpiGbl_DbArgs[1]);
890         if (!CommandLine)
891         {
892             return (AE_CTRL_TRUE);
893         }
894
895         Status = AcpiDbCommandDispatch (CommandLine, WalkState, Op);
896         return (Status);
897
898     case CMD_HISTORY_LAST: /* !! command */
899
900         CommandLine = AcpiDbGetFromHistory (NULL);
901         if (!CommandLine)
902         {
903             return (AE_CTRL_TRUE);
904         }
905
906         Status = AcpiDbCommandDispatch (CommandLine, WalkState, Op);
907         return (Status);
908
909     case CMD_INFORMATION:
910
911         AcpiDbDisplayMethodInfo (Op);
912         break;
913
914     case CMD_INTEGRITY:
915
916         AcpiDbCheckIntegrity ();
917         break;
918
919     case CMD_INTO:
920
921         if (Op)
922         {
923             AcpiGbl_CmSingleStep = TRUE;
924             return (AE_OK);
925         }
926         break;
927
928     case CMD_LEVEL:
929
930         if (ParamCount == 0)
931         {
932             AcpiOsPrintf ("Current debug level for file output is:    %8.8lX\n",
933                 AcpiGbl_DbDebugLevel);
934             AcpiOsPrintf ("Current debug level for console output is: %8.8lX\n",
935                 AcpiGbl_DbConsoleDebugLevel);
936         }
937         else if (ParamCount == 2)
938         {
939             Temp = AcpiGbl_DbConsoleDebugLevel;
940             AcpiGbl_DbConsoleDebugLevel = ACPI_STRTOUL (AcpiGbl_DbArgs[1],
941                                             NULL, 16);
942             AcpiOsPrintf (
943                 "Debug Level for console output was %8.8lX, now %8.8lX\n",
944                 Temp, AcpiGbl_DbConsoleDebugLevel);
945         }
946         else
947         {
948             Temp = AcpiGbl_DbDebugLevel;
949             AcpiGbl_DbDebugLevel = ACPI_STRTOUL (AcpiGbl_DbArgs[1], NULL, 16);
950             AcpiOsPrintf (
951                 "Debug Level for file output was %8.8lX, now %8.8lX\n",
952                 Temp, AcpiGbl_DbDebugLevel);
953         }
954         break;
955
956     case CMD_LIST:
957
958         AcpiDbDisassembleAml (AcpiGbl_DbArgs[1], Op);
959         break;
960
961     case CMD_LOAD:
962
963         Status = AcpiDbGetTableFromFile (AcpiGbl_DbArgs[1], NULL);
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
978         Status = AcpiDbDisplayObjects ("METHOD", AcpiGbl_DbArgs[1]);
979         break;
980
981     case CMD_NAMESPACE:
982
983         AcpiDbDumpNamespace (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
984         break;
985
986     case CMD_NOTIFY:
987
988         Temp = ACPI_STRTOUL (AcpiGbl_DbArgs[2], NULL, 0);
989         AcpiDbSendNotify (AcpiGbl_DbArgs[1], Temp);
990         break;
991
992     case CMD_OBJECT:
993
994         AcpiUtStrupr (AcpiGbl_DbArgs[1]);
995         Status = AcpiDbDisplayObjects (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
996         break;
997
998     case CMD_OPEN:
999
1000         AcpiDbOpenDebugFile (AcpiGbl_DbArgs[1]);
1001         break;
1002
1003     case CMD_OSI:
1004
1005         AcpiDbDisplayInterfaces (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
1006         break;
1007
1008     case CMD_OWNER:
1009
1010         AcpiDbDumpNamespaceByOwner (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
1011         break;
1012
1013     case CMD_PATHS:
1014
1015         AcpiDbDumpNamespacePaths ();
1016         break;
1017
1018     case CMD_PREDEFINED:
1019
1020         AcpiDbCheckPredefinedNames ();
1021         break;
1022
1023     case CMD_PREFIX:
1024
1025         AcpiDbSetScope (AcpiGbl_DbArgs[1]);
1026         break;
1027
1028     case CMD_REFERENCES:
1029
1030         AcpiDbFindReferences (AcpiGbl_DbArgs[1]);
1031         break;
1032
1033     case CMD_RESOURCES:
1034
1035         AcpiDbDisplayResources (AcpiGbl_DbArgs[1]);
1036         break;
1037
1038     case CMD_RESULTS:
1039
1040         AcpiDbDisplayResults ();
1041         break;
1042
1043     case CMD_SCI:
1044
1045         AcpiDbGenerateSci ();
1046         break;
1047
1048     case CMD_SET:
1049
1050         AcpiDbSetMethodData (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2],
1051             AcpiGbl_DbArgs[3]);
1052         break;
1053
1054     case CMD_SLEEP:
1055
1056         Status = AcpiDbSleep (AcpiGbl_DbArgs[1]);
1057         break;
1058
1059     case CMD_STATS:
1060
1061         Status = AcpiDbDisplayStatistics (AcpiGbl_DbArgs[1]);
1062         break;
1063
1064     case CMD_STOP:
1065
1066         return (AE_NOT_IMPLEMENTED);
1067
1068     case CMD_TABLES:
1069
1070         AcpiDbDisplayTableInfo (AcpiGbl_DbArgs[1]);
1071         break;
1072
1073     case CMD_TEMPLATE:
1074
1075         AcpiDbDisplayTemplate (AcpiGbl_DbArgs[1]);
1076         break;
1077
1078     case CMD_TERMINATE:
1079
1080         AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT);
1081         AcpiUtSubsystemShutdown ();
1082
1083         /*
1084          * TBD: [Restructure] Need some way to re-initialize without
1085          * re-creating the semaphores!
1086          */
1087
1088         /*  AcpiInitialize (NULL);  */
1089         break;
1090
1091     case CMD_THREADS:
1092
1093         AcpiDbCreateExecutionThreads (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2],
1094             AcpiGbl_DbArgs[3]);
1095         break;
1096
1097     case CMD_TRACE:
1098
1099         (void) AcpiDebugTrace (AcpiGbl_DbArgs[1],0,0,1);
1100         break;
1101
1102     case CMD_TREE:
1103
1104         AcpiDbDisplayCallingTree ();
1105         break;
1106
1107     case CMD_TYPE:
1108
1109         AcpiDbDisplayObjectType (AcpiGbl_DbArgs[1]);
1110         break;
1111
1112     case CMD_UNLOAD:
1113
1114         AcpiDbUnloadAcpiTable (AcpiGbl_DbArgs[1]);
1115         break;
1116
1117     case CMD_EXIT:
1118     case CMD_QUIT:
1119
1120         if (Op)
1121         {
1122             AcpiOsPrintf ("Method execution terminated\n");
1123             return (AE_CTRL_TERMINATE);
1124         }
1125
1126         if (!AcpiGbl_DbOutputToFile)
1127         {
1128             AcpiDbgLevel = ACPI_DEBUG_DEFAULT;
1129         }
1130
1131         AcpiDbCloseDebugFile ();
1132         AcpiGbl_DbTerminateThreads = TRUE;
1133         return (AE_CTRL_TERMINATE);
1134
1135     case CMD_NOT_FOUND:
1136     default:
1137
1138         AcpiOsPrintf ("Unknown Command\n");
1139         return (AE_CTRL_TRUE);
1140     }
1141
1142     if (ACPI_SUCCESS (Status))
1143     {
1144         Status = AE_CTRL_TRUE;
1145     }
1146
1147     /* Add all commands that come here to the history buffer */
1148
1149     AcpiDbAddToHistory (InputBuffer);
1150     return (Status);
1151 }
1152
1153
1154 /*******************************************************************************
1155  *
1156  * FUNCTION:    AcpiDbExecuteThread
1157  *
1158  * PARAMETERS:  Context         - Not used
1159  *
1160  * RETURN:      None
1161  *
1162  * DESCRIPTION: Debugger execute thread. Waits for a command line, then
1163  *              simply dispatches it.
1164  *
1165  ******************************************************************************/
1166
1167 void ACPI_SYSTEM_XFACE
1168 AcpiDbExecuteThread (
1169     void                    *Context)
1170 {
1171     ACPI_STATUS             Status = AE_OK;
1172     ACPI_STATUS             MStatus;
1173
1174
1175     while (Status != AE_CTRL_TERMINATE)
1176     {
1177         AcpiGbl_MethodExecuting = FALSE;
1178         AcpiGbl_StepToNextCall = FALSE;
1179
1180         MStatus = AcpiUtAcquireMutex (ACPI_MTX_DEBUG_CMD_READY);
1181         if (ACPI_FAILURE (MStatus))
1182         {
1183             return;
1184         }
1185
1186         Status = AcpiDbCommandDispatch (AcpiGbl_DbLineBuf, NULL, NULL);
1187
1188         MStatus = AcpiUtReleaseMutex (ACPI_MTX_DEBUG_CMD_COMPLETE);
1189         if (ACPI_FAILURE (MStatus))
1190         {
1191             return;
1192         }
1193     }
1194 }
1195
1196
1197 /*******************************************************************************
1198  *
1199  * FUNCTION:    AcpiDbSingleThread
1200  *
1201  * PARAMETERS:  None
1202  *
1203  * RETURN:      None
1204  *
1205  * DESCRIPTION: Debugger execute thread. Waits for a command line, then
1206  *              simply dispatches it.
1207  *
1208  ******************************************************************************/
1209
1210 static void
1211 AcpiDbSingleThread (
1212     void)
1213 {
1214
1215     AcpiGbl_MethodExecuting = FALSE;
1216     AcpiGbl_StepToNextCall = FALSE;
1217
1218     (void) AcpiDbCommandDispatch (AcpiGbl_DbLineBuf, NULL, NULL);
1219 }
1220
1221
1222 /*******************************************************************************
1223  *
1224  * FUNCTION:    AcpiDbUserCommands
1225  *
1226  * PARAMETERS:  Prompt              - User prompt (depends on mode)
1227  *              Op                  - Current executing parse op
1228  *
1229  * RETURN:      None
1230  *
1231  * DESCRIPTION: Command line execution for the AML debugger. Commands are
1232  *              matched and dispatched here.
1233  *
1234  ******************************************************************************/
1235
1236 ACPI_STATUS
1237 AcpiDbUserCommands (
1238     char                    Prompt,
1239     ACPI_PARSE_OBJECT       *Op)
1240 {
1241     ACPI_STATUS             Status = AE_OK;
1242
1243
1244     AcpiOsPrintf ("\n");
1245
1246     /* TBD: [Restructure] Need a separate command line buffer for step mode */
1247
1248     while (!AcpiGbl_DbTerminateThreads)
1249     {
1250         /* Force output to console until a command is entered */
1251
1252         AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
1253
1254         /* Different prompt if method is executing */
1255
1256         if (!AcpiGbl_MethodExecuting)
1257         {
1258             AcpiOsPrintf ("%1c ", ACPI_DEBUGGER_COMMAND_PROMPT);
1259         }
1260         else
1261         {
1262             AcpiOsPrintf ("%1c ", ACPI_DEBUGGER_EXECUTE_PROMPT);
1263         }
1264
1265         /* Get the user input line */
1266
1267         Status = AcpiOsGetLine (AcpiGbl_DbLineBuf,
1268             ACPI_DB_LINE_BUFFER_SIZE, NULL);
1269         if (ACPI_FAILURE (Status))
1270         {
1271             ACPI_EXCEPTION ((AE_INFO, Status, "While parsing command line"));
1272             return (Status);
1273         }
1274
1275         /* Check for single or multithreaded debug */
1276
1277         if (AcpiGbl_DebuggerConfiguration & DEBUGGER_MULTI_THREADED)
1278         {
1279             /*
1280              * Signal the debug thread that we have a command to execute,
1281              * and wait for the command to complete.
1282              */
1283             Status = AcpiUtReleaseMutex (ACPI_MTX_DEBUG_CMD_READY);
1284             if (ACPI_FAILURE (Status))
1285             {
1286                 return (Status);
1287             }
1288
1289             Status = AcpiUtAcquireMutex (ACPI_MTX_DEBUG_CMD_COMPLETE);
1290             if (ACPI_FAILURE (Status))
1291             {
1292                 return (Status);
1293             }
1294         }
1295         else
1296         {
1297             /* Just call to the command line interpreter */
1298
1299             AcpiDbSingleThread ();
1300         }
1301     }
1302
1303     /*
1304      * Only this thread (the original thread) should actually terminate the
1305      * subsystem, because all the semaphores are deleted during termination
1306      */
1307     Status = AcpiTerminate ();
1308     return (Status);
1309 }
1310
1311 #endif  /* ACPI_DEBUGGER */