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[FreeBSD/stable/10.git] / sys / contrib / dev / acpica / components / debugger / dbinput.c
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 <contrib/dev/acpica/include/acpi.h>
45 #include <contrib/dev/acpica/include/accommon.h>
46 #include <contrib/dev/acpica/include/acdebug.h>
47
48 #ifdef ACPI_APPLICATION
49 #include <contrib/dev/acpica/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     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 (
724             ACPI_CAST_PTR (char, AcpiGbl_DbCommands[i].Name), UserCommand) ==
725             AcpiGbl_DbCommands[i].Name)
726         {
727             return (i);
728         }
729     }
730
731     /* Command not recognized */
732
733     return (CMD_NOT_FOUND);
734 }
735
736
737 /*******************************************************************************
738  *
739  * FUNCTION:    AcpiDbCommandDispatch
740  *
741  * PARAMETERS:  InputBuffer         - Command line buffer
742  *              WalkState           - Current walk
743  *              Op                  - Current (executing) parse op
744  *
745  * RETURN:      Status
746  *
747  * DESCRIPTION: Command dispatcher.
748  *
749  ******************************************************************************/
750
751 ACPI_STATUS
752 AcpiDbCommandDispatch (
753     char                    *InputBuffer,
754     ACPI_WALK_STATE         *WalkState,
755     ACPI_PARSE_OBJECT       *Op)
756 {
757     UINT32                  Temp;
758     UINT32                  CommandIndex;
759     UINT32                  ParamCount;
760     char                    *CommandLine;
761     ACPI_STATUS             Status = AE_CTRL_TRUE;
762
763
764     /* If AcpiTerminate has been called, terminate this thread */
765
766     if (AcpiGbl_DbTerminateLoop)
767     {
768         return (AE_CTRL_TERMINATE);
769     }
770
771     /* Find command and add to the history buffer */
772
773     ParamCount = AcpiDbGetLine (InputBuffer);
774     CommandIndex = AcpiDbMatchCommand (AcpiGbl_DbArgs[0]);
775     Temp = 0;
776
777     /*
778      * We don't want to add the !! command to the history buffer. It
779      * would cause an infinite loop because it would always be the
780      * previous command.
781      */
782     if (CommandIndex != CMD_HISTORY_LAST)
783     {
784         AcpiDbAddToHistory (InputBuffer);
785     }
786
787     /* Verify that we have the minimum number of params */
788
789     if (ParamCount < AcpiGbl_DbCommands[CommandIndex].MinArgs)
790     {
791         AcpiOsPrintf ("%u parameters entered, [%s] requires %u parameters\n",
792             ParamCount, AcpiGbl_DbCommands[CommandIndex].Name,
793             AcpiGbl_DbCommands[CommandIndex].MinArgs);
794
795         AcpiDbDisplayCommandInfo (
796             AcpiGbl_DbCommands[CommandIndex].Name, FALSE);
797         return (AE_CTRL_TRUE);
798     }
799
800     /* Decode and dispatch the command */
801
802     switch (CommandIndex)
803     {
804     case CMD_NULL:
805
806         if (Op)
807         {
808             return (AE_OK);
809         }
810         break;
811
812     case CMD_ALLOCATIONS:
813
814 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
815         AcpiUtDumpAllocations ((UINT32) -1, NULL);
816 #endif
817         break;
818
819     case CMD_ARGS:
820     case CMD_ARGUMENTS:
821
822         AcpiDbDisplayArguments ();
823         break;
824
825     case CMD_BREAKPOINT:
826
827         AcpiDbSetMethodBreakpoint (AcpiGbl_DbArgs[1], WalkState, Op);
828         break;
829
830     case CMD_BUSINFO:
831
832         AcpiDbGetBusInfo ();
833         break;
834
835     case CMD_CALL:
836
837         AcpiDbSetMethodCallBreakpoint (Op);
838         Status = AE_OK;
839         break;
840
841     case CMD_DEBUG:
842
843         AcpiDbExecute (AcpiGbl_DbArgs[1],
844             &AcpiGbl_DbArgs[2], &AcpiGbl_DbArgTypes[2], EX_SINGLE_STEP);
845         break;
846
847     case CMD_DISASSEMBLE:
848     case CMD_DISASM:
849
850         (void) AcpiDbDisassembleMethod (AcpiGbl_DbArgs[1]);
851         break;
852
853     case CMD_DUMP:
854
855         AcpiDbDecodeAndDisplayObject (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
856         break;
857
858     case CMD_EVALUATE:
859     case CMD_EXECUTE:
860
861         AcpiDbExecute (AcpiGbl_DbArgs[1],
862             &AcpiGbl_DbArgs[2], &AcpiGbl_DbArgTypes[2], EX_NO_SINGLE_STEP);
863         break;
864
865     case CMD_FIND:
866
867         Status = AcpiDbFindNameInNamespace (AcpiGbl_DbArgs[1]);
868         break;
869
870     case CMD_GO:
871
872         AcpiGbl_CmSingleStep = FALSE;
873         return (AE_OK);
874
875     case CMD_HANDLERS:
876
877         AcpiDbDisplayHandlers ();
878         break;
879
880     case CMD_HELP:
881     case CMD_HELP2:
882
883         AcpiDbDisplayHelp (AcpiGbl_DbArgs[1]);
884         break;
885
886     case CMD_HISTORY:
887
888         AcpiDbDisplayHistory ();
889         break;
890
891     case CMD_HISTORY_EXE: /* ! command */
892
893         CommandLine = AcpiDbGetFromHistory (AcpiGbl_DbArgs[1]);
894         if (!CommandLine)
895         {
896             return (AE_CTRL_TRUE);
897         }
898
899         Status = AcpiDbCommandDispatch (CommandLine, WalkState, Op);
900         return (Status);
901
902     case CMD_HISTORY_LAST: /* !! command */
903
904         CommandLine = AcpiDbGetFromHistory (NULL);
905         if (!CommandLine)
906         {
907             return (AE_CTRL_TRUE);
908         }
909
910         Status = AcpiDbCommandDispatch (CommandLine, WalkState, Op);
911         return (Status);
912
913     case CMD_INFORMATION:
914
915         AcpiDbDisplayMethodInfo (Op);
916         break;
917
918     case CMD_INTEGRITY:
919
920         AcpiDbCheckIntegrity ();
921         break;
922
923     case CMD_INTO:
924
925         if (Op)
926         {
927             AcpiGbl_CmSingleStep = TRUE;
928             return (AE_OK);
929         }
930         break;
931
932     case CMD_LEVEL:
933
934         if (ParamCount == 0)
935         {
936             AcpiOsPrintf (
937                 "Current debug level for file output is:    %8.8lX\n",
938                 AcpiGbl_DbDebugLevel);
939             AcpiOsPrintf (
940                 "Current debug level for console output is: %8.8lX\n",
941                 AcpiGbl_DbConsoleDebugLevel);
942         }
943         else if (ParamCount == 2)
944         {
945             Temp = AcpiGbl_DbConsoleDebugLevel;
946             AcpiGbl_DbConsoleDebugLevel =
947                 strtoul (AcpiGbl_DbArgs[1], NULL, 16);
948             AcpiOsPrintf (
949                 "Debug Level for console output was %8.8lX, now %8.8lX\n",
950                 Temp, AcpiGbl_DbConsoleDebugLevel);
951         }
952         else
953         {
954             Temp = AcpiGbl_DbDebugLevel;
955             AcpiGbl_DbDebugLevel = strtoul (AcpiGbl_DbArgs[1], NULL, 16);
956             AcpiOsPrintf (
957                 "Debug Level for file output was %8.8lX, now %8.8lX\n",
958                 Temp, AcpiGbl_DbDebugLevel);
959         }
960         break;
961
962     case CMD_LIST:
963
964         AcpiDbDisassembleAml (AcpiGbl_DbArgs[1], Op);
965         break;
966
967     case CMD_LOCKS:
968
969         AcpiDbDisplayLocks ();
970         break;
971
972     case CMD_LOCALS:
973
974         AcpiDbDisplayLocals ();
975         break;
976
977     case CMD_METHODS:
978
979         Status = AcpiDbDisplayObjects ("METHOD", AcpiGbl_DbArgs[1]);
980         break;
981
982     case CMD_NAMESPACE:
983
984         AcpiDbDumpNamespace (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
985         break;
986
987     case CMD_NOTIFY:
988
989         Temp = strtoul (AcpiGbl_DbArgs[2], NULL, 0);
990         AcpiDbSendNotify (AcpiGbl_DbArgs[1], Temp);
991         break;
992
993     case CMD_OBJECTS:
994
995         AcpiUtStrupr (AcpiGbl_DbArgs[1]);
996         Status = AcpiDbDisplayObjects (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
997         break;
998
999     case CMD_OSI:
1000
1001         AcpiDbDisplayInterfaces (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
1002         break;
1003
1004     case CMD_OWNER:
1005
1006         AcpiDbDumpNamespaceByOwner (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
1007         break;
1008
1009     case CMD_PATHS:
1010
1011         AcpiDbDumpNamespacePaths ();
1012         break;
1013
1014     case CMD_PREFIX:
1015
1016         AcpiDbSetScope (AcpiGbl_DbArgs[1]);
1017         break;
1018
1019     case CMD_REFERENCES:
1020
1021         AcpiDbFindReferences (AcpiGbl_DbArgs[1]);
1022         break;
1023
1024     case CMD_RESOURCES:
1025
1026         AcpiDbDisplayResources (AcpiGbl_DbArgs[1]);
1027         break;
1028
1029     case CMD_RESULTS:
1030
1031         AcpiDbDisplayResults ();
1032         break;
1033
1034     case CMD_SET:
1035
1036         AcpiDbSetMethodData (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2],
1037             AcpiGbl_DbArgs[3]);
1038         break;
1039
1040     case CMD_STATS:
1041
1042         Status = AcpiDbDisplayStatistics (AcpiGbl_DbArgs[1]);
1043         break;
1044
1045     case CMD_STOP:
1046
1047         return (AE_NOT_IMPLEMENTED);
1048
1049     case CMD_TABLES:
1050
1051         AcpiDbDisplayTableInfo (AcpiGbl_DbArgs[1]);
1052         break;
1053
1054     case CMD_TEMPLATE:
1055
1056         AcpiDbDisplayTemplate (AcpiGbl_DbArgs[1]);
1057         break;
1058
1059     case CMD_TRACE:
1060
1061         AcpiDbTrace (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2], AcpiGbl_DbArgs[3]);
1062         break;
1063
1064     case CMD_TREE:
1065
1066         AcpiDbDisplayCallingTree ();
1067         break;
1068
1069     case CMD_TYPE:
1070
1071         AcpiDbDisplayObjectType (AcpiGbl_DbArgs[1]);
1072         break;
1073
1074 #ifdef ACPI_APPLICATION
1075
1076     /* Hardware simulation commands. */
1077
1078     case CMD_ENABLEACPI:
1079 #if (!ACPI_REDUCED_HARDWARE)
1080
1081         Status = AcpiEnable();
1082         if (ACPI_FAILURE(Status))
1083         {
1084             AcpiOsPrintf("AcpiEnable failed (Status=%X)\n", Status);
1085             return (Status);
1086         }
1087 #endif /* !ACPI_REDUCED_HARDWARE */
1088         break;
1089
1090     case CMD_EVENT:
1091
1092         AcpiOsPrintf ("Event command not implemented\n");
1093         break;
1094
1095     case CMD_GPE:
1096
1097         AcpiDbGenerateGpe (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
1098         break;
1099
1100     case CMD_GPES:
1101
1102         AcpiDbDisplayGpes ();
1103         break;
1104
1105     case CMD_SCI:
1106
1107         AcpiDbGenerateSci ();
1108         break;
1109
1110     case CMD_SLEEP:
1111
1112         Status = AcpiDbSleep (AcpiGbl_DbArgs[1]);
1113         break;
1114
1115     /* File I/O commands. */
1116
1117     case CMD_CLOSE:
1118
1119         AcpiDbCloseDebugFile ();
1120         break;
1121
1122     case CMD_LOAD:
1123         {
1124             ACPI_NEW_TABLE_DESC     *ListHead = NULL;
1125
1126             Status = AcGetAllTablesFromFile (AcpiGbl_DbArgs[1],
1127                 ACPI_GET_ALL_TABLES, &ListHead);
1128             if (ACPI_SUCCESS (Status))
1129             {
1130                 AcpiDbLoadTables (ListHead);
1131             }
1132         }
1133         break;
1134
1135     case CMD_OPEN:
1136
1137         AcpiDbOpenDebugFile (AcpiGbl_DbArgs[1]);
1138         break;
1139
1140     /* User space commands. */
1141
1142     case CMD_TERMINATE:
1143
1144         AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT);
1145         AcpiUtSubsystemShutdown ();
1146
1147         /*
1148          * TBD: [Restructure] Need some way to re-initialize without
1149          * re-creating the semaphores!
1150          */
1151
1152         AcpiGbl_DbTerminateLoop = TRUE;
1153         /*  AcpiInitialize (NULL);  */
1154         break;
1155
1156     case CMD_THREADS:
1157
1158         AcpiDbCreateExecutionThreads (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2],
1159             AcpiGbl_DbArgs[3]);
1160         break;
1161
1162     /* Debug test commands. */
1163
1164     case CMD_PREDEFINED:
1165
1166         AcpiDbCheckPredefinedNames ();
1167         break;
1168
1169     case CMD_TEST:
1170
1171         AcpiDbExecuteTest (AcpiGbl_DbArgs[1]);
1172         break;
1173
1174     case CMD_UNLOAD:
1175
1176         AcpiDbUnloadAcpiTable (AcpiGbl_DbArgs[1]);
1177         break;
1178 #endif
1179
1180     case CMD_EXIT:
1181     case CMD_QUIT:
1182
1183         if (Op)
1184         {
1185             AcpiOsPrintf ("Method execution terminated\n");
1186             return (AE_CTRL_TERMINATE);
1187         }
1188
1189         if (!AcpiGbl_DbOutputToFile)
1190         {
1191             AcpiDbgLevel = ACPI_DEBUG_DEFAULT;
1192         }
1193
1194 #ifdef ACPI_APPLICATION
1195         AcpiDbCloseDebugFile ();
1196 #endif
1197         AcpiGbl_DbTerminateLoop = TRUE;
1198         return (AE_CTRL_TERMINATE);
1199
1200     case CMD_NOT_FOUND:
1201     default:
1202
1203         AcpiOsPrintf ("%s: unknown command\n", AcpiGbl_DbArgs[0]);
1204         return (AE_CTRL_TRUE);
1205     }
1206
1207     if (ACPI_SUCCESS (Status))
1208     {
1209         Status = AE_CTRL_TRUE;
1210     }
1211
1212     return (Status);
1213 }
1214
1215
1216 /*******************************************************************************
1217  *
1218  * FUNCTION:    AcpiDbExecuteThread
1219  *
1220  * PARAMETERS:  Context         - Not used
1221  *
1222  * RETURN:      None
1223  *
1224  * DESCRIPTION: Debugger execute thread. Waits for a command line, then
1225  *              simply dispatches it.
1226  *
1227  ******************************************************************************/
1228
1229 void ACPI_SYSTEM_XFACE
1230 AcpiDbExecuteThread (
1231     void                    *Context)
1232 {
1233     ACPI_STATUS             Status = AE_OK;
1234     ACPI_STATUS             MStatus;
1235
1236
1237     while (Status != AE_CTRL_TERMINATE && !AcpiGbl_DbTerminateLoop)
1238     {
1239         AcpiGbl_MethodExecuting = FALSE;
1240         AcpiGbl_StepToNextCall = FALSE;
1241
1242         MStatus = AcpiOsAcquireMutex (AcpiGbl_DbCommandReady,
1243             ACPI_WAIT_FOREVER);
1244         if (ACPI_FAILURE (MStatus))
1245         {
1246             return;
1247         }
1248
1249         Status = AcpiDbCommandDispatch (AcpiGbl_DbLineBuf, NULL, NULL);
1250
1251         AcpiOsReleaseMutex (AcpiGbl_DbCommandComplete);
1252     }
1253     AcpiGbl_DbThreadsTerminated = TRUE;
1254 }
1255
1256
1257 /*******************************************************************************
1258  *
1259  * FUNCTION:    AcpiDbSingleThread
1260  *
1261  * PARAMETERS:  None
1262  *
1263  * RETURN:      None
1264  *
1265  * DESCRIPTION: Debugger execute thread. Waits for a command line, then
1266  *              simply dispatches it.
1267  *
1268  ******************************************************************************/
1269
1270 static void
1271 AcpiDbSingleThread (
1272     void)
1273 {
1274
1275     AcpiGbl_MethodExecuting = FALSE;
1276     AcpiGbl_StepToNextCall = FALSE;
1277
1278     (void) AcpiDbCommandDispatch (AcpiGbl_DbLineBuf, NULL, NULL);
1279 }
1280
1281
1282 /*******************************************************************************
1283  *
1284  * FUNCTION:    AcpiDbUserCommands
1285  *
1286  * PARAMETERS:  Prompt              - User prompt (depends on mode)
1287  *              Op                  - Current executing parse op
1288  *
1289  * RETURN:      None
1290  *
1291  * DESCRIPTION: Command line execution for the AML debugger. Commands are
1292  *              matched and dispatched here.
1293  *
1294  ******************************************************************************/
1295
1296 ACPI_STATUS
1297 AcpiDbUserCommands (
1298     char                    Prompt,
1299     ACPI_PARSE_OBJECT       *Op)
1300 {
1301     ACPI_STATUS             Status = AE_OK;
1302
1303
1304     AcpiOsPrintf ("\n");
1305
1306     /* TBD: [Restructure] Need a separate command line buffer for step mode */
1307
1308     while (!AcpiGbl_DbTerminateLoop)
1309     {
1310         /* Force output to console until a command is entered */
1311
1312         AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
1313
1314         /* Different prompt if method is executing */
1315
1316         if (!AcpiGbl_MethodExecuting)
1317         {
1318             AcpiOsPrintf ("%1c ", ACPI_DEBUGGER_COMMAND_PROMPT);
1319         }
1320         else
1321         {
1322             AcpiOsPrintf ("%1c ", ACPI_DEBUGGER_EXECUTE_PROMPT);
1323         }
1324
1325         /* Get the user input line */
1326
1327         Status = AcpiOsGetLine (AcpiGbl_DbLineBuf,
1328             ACPI_DB_LINE_BUFFER_SIZE, NULL);
1329         if (ACPI_FAILURE (Status))
1330         {
1331             ACPI_EXCEPTION ((AE_INFO, Status, "While parsing command line"));
1332             return (Status);
1333         }
1334
1335         /* Check for single or multithreaded debug */
1336
1337         if (AcpiGbl_DebuggerConfiguration & DEBUGGER_MULTI_THREADED)
1338         {
1339             /*
1340              * Signal the debug thread that we have a command to execute,
1341              * and wait for the command to complete.
1342              */
1343             AcpiOsReleaseMutex (AcpiGbl_DbCommandReady);
1344
1345             Status = AcpiOsAcquireMutex (AcpiGbl_DbCommandComplete,
1346                 ACPI_WAIT_FOREVER);
1347             if (ACPI_FAILURE (Status))
1348             {
1349                 return (Status);
1350             }
1351         }
1352         else
1353         {
1354             /* Just call to the command line interpreter */
1355
1356             AcpiDbSingleThread ();
1357         }
1358     }
1359
1360     return (Status);
1361 }