sys/external/intel-public/acpica/dist/debugger/dbinput.c

   1 /*******************************************************************************
   2  *
   3  * Module Name: dbinput - user front-end to the AML debugger
   4  *
   5  ******************************************************************************/
   6
   7 /******************************************************************************
   8  *
   9  * 1. Copyright Notice
  10  *
  11  * Some or all of this work - Copyright (c) 1999 - 2009, Intel Corp.
  12  * All rights reserved.
  13  *
  14  * 2. License
  15  *
  16  * 2.1. This is your license from Intel Corp. under its intellectual property
  17  * rights.  You may have additional license terms from the party that provided
  18  * you this software, covering your right to use that party's intellectual
  19  * property rights.
  20  *
  21  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
  22  * copy of the source code appearing in this file ("Covered Code") an
  23  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
  24  * base code distributed originally by Intel ("Original Intel Code") to copy,
  25  * make derivatives, distribute, use and display any portion of the Covered
  26  * Code in any form, with the right to sublicense such rights; and
  27  *
  28  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
  29  * license (with the right to sublicense), under only those claims of Intel
  30  * patents that are infringed by the Original Intel Code, to make, use, sell,
  31  * offer to sell, and import the Covered Code and derivative works thereof
  32  * solely to the minimum extent necessary to exercise the above copyright
  33  * license, and in no event shall the patent license extend to any additions
  34  * to or modifications of the Original Intel Code.  No other license or right
  35  * is granted directly or by implication, estoppel or otherwise;
  36  *
  37  * The above copyright and patent license is granted only if the following
  38  * conditions are met:
  39  *
  40  * 3. Conditions
  41  *
  42  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
  43  * Redistribution of source code of any substantial portion of the Covered
  44  * Code or modification with rights to further distribute source must include
  45  * the above Copyright Notice, the above License, this list of Conditions,
  46  * and the following Disclaimer and Export Compliance provision.  In addition,
  47  * Licensee must cause all Covered Code to which Licensee contributes to
  48  * contain a file documenting the changes Licensee made to create that Covered
  49  * Code and the date of any change.  Licensee must include in that file the
  50  * documentation of any changes made by any predecessor Licensee.  Licensee
  51  * must include a prominent statement that the modification is derived,
  52  * directly or indirectly, from Original Intel Code.
  53  *
  54  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
  55  * Redistribution of source code of any substantial portion of the Covered
  56  * Code or modification without rights to further distribute source must
  57  * include the following Disclaimer and Export Compliance provision in the
  58  * documentation and/or other materials provided with distribution.  In
  59  * addition, Licensee may not authorize further sublicense of source of any
  60  * portion of the Covered Code, and must include terms to the effect that the
  61  * license from Licensee to its licensee is limited to the intellectual
  62  * property embodied in the software Licensee provides to its licensee, and
  63  * not to intellectual property embodied in modifications its licensee may
  64  * make.
  65  *
  66  * 3.3. Redistribution of Executable. Redistribution in executable form of any
  67  * substantial portion of the Covered Code or modification must reproduce the
  68  * above Copyright Notice, and the following Disclaimer and Export Compliance
  69  * provision in the documentation and/or other materials provided with the
  70  * distribution.
  71  *
  72  * 3.4. Intel retains all right, title, and interest in and to the Original
  73  * Intel Code.
  74  *
  75  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
  76  * Intel shall be used in advertising or otherwise to promote the sale, use or
  77  * other dealings in products derived from or relating to the Covered Code
  78  * without prior written authorization from Intel.
  79  *
  80  * 4. Disclaimer and Export Compliance
  81  *
  82  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
  83  * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
  84  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
  85  * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
  86  * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
  87  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
  88  * PARTICULAR PURPOSE.
  89  *
  90  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
  91  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
  92  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
  93  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
  94  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
  95  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
  96  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
  97  * LIMITED REMEDY.
  98  *
  99  * 4.3. Licensee shall not export, either directly or indirectly, any of this
 100  * software or system incorporating such software without first obtaining any
 101  * required license or other approval from the U. S. Department of Commerce or
 102  * any other agency or department of the United States Government.  In the
 103  * event Licensee exports any such software from the United States or
 104  * re-exports any such software from a foreign destination, Licensee shall
 105  * ensure that the distribution and export/re-export of the software is in
 106  * compliance with all laws, regulations, orders, or other restrictions of the
 107  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
 108  * any of its subsidiaries will export/re-export any technical data, process,
 109  * software, or service, directly or indirectly, to any country for which the
 110  * United States government or any agency thereof requires an export license,
 111  * other governmental approval, or letter of assurance, without first obtaining
 112  * such license, approval or letter.
 113  *
 114  *****************************************************************************/
 115
 116
 117 #include "acpi.h"
 118 #include "accommon.h"
 119 #include "acdebug.h"
 120
 121
 122 #ifdef ACPI_DEBUGGER
 123
 124 #define _COMPONENT          ACPI_CA_DEBUGGER
 125         ACPI_MODULE_NAME    ("dbinput")
 126
 127 /* Local prototypes */
 128
 129 static char *
 130 AcpiDbGetNextToken (
 131     char                    *String,
 132     char                    **Next);
 133
 134 static UINT32
 135 AcpiDbGetLine (
 136     char                    *InputBuffer);
 137
 138 static UINT32
 139 AcpiDbMatchCommand (
 140     char                    *UserCommand);
 141
 142 static void
 143 AcpiDbSingleThread (
 144     void);
 145
 146 static void
 147 AcpiDbDisplayHelp (
 148     char                    *HelpType);
 149
 150
 151 /*
 152  * Top-level debugger commands.
 153  *
 154  * This list of commands must match the string table below it
 155  */
 156 enum AcpiExDebuggerCommands
 157 {
 158     CMD_NOT_FOUND = 0,
 159     CMD_NULL,
 160     CMD_ALLOCATIONS,
 161     CMD_ARGS,
 162     CMD_ARGUMENTS,
 163     CMD_BATCH,
 164     CMD_BREAKPOINT,
 165     CMD_BUSINFO,
 166     CMD_CALL,
 167     CMD_CLOSE,
 168     CMD_DEBUG,
 169     CMD_DISASSEMBLE,
 170     CMD_DUMP,
 171     CMD_ENABLEACPI,
 172     CMD_EVENT,
 173     CMD_EXECUTE,
 174     CMD_EXIT,
 175     CMD_FIND,
 176     CMD_GO,
 177     CMD_GPE,
 178     CMD_GPES,
 179     CMD_HELP,
 180     CMD_HELP2,
 181     CMD_HISTORY,
 182     CMD_HISTORY_EXE,
 183     CMD_HISTORY_LAST,
 184     CMD_INFORMATION,
 185     CMD_INTEGRITY,
 186     CMD_INTO,
 187     CMD_LEVEL,
 188     CMD_LIST,
 189     CMD_LOAD,
 190     CMD_LOCALS,
 191     CMD_LOCKS,
 192     CMD_METHODS,
 193     CMD_NAMESPACE,
 194     CMD_NOTIFY,
 195     CMD_OBJECT,
 196     CMD_OPEN,
 197     CMD_OWNER,
 198     CMD_PREDEFINED,
 199     CMD_PREFIX,
 200     CMD_QUIT,
 201     CMD_REFERENCES,
 202     CMD_RESOURCES,
 203     CMD_RESULTS,
 204     CMD_SET,
 205     CMD_SLEEP,
 206     CMD_STATS,
 207     CMD_STOP,
 208     CMD_TABLES,
 209     CMD_TERMINATE,
 210     CMD_THREADS,
 211     CMD_TRACE,
 212     CMD_TREE,
 213     CMD_TYPE,
 214     CMD_UNLOAD
 215 };
 216
 217 #define CMD_FIRST_VALID     2
 218
 219
 220 /* Second parameter is the required argument count */
 221
 222 static const COMMAND_INFO       AcpiGbl_DbCommands[] =
 223 {
 224     {"<NOT FOUND>",  0},
 225     {"<NULL>",       0},
 226     {"ALLOCATIONS",  0},
 227     {"ARGS",         0},
 228     {"ARGUMENTS",    0},
 229     {"BATCH",        0},
 230     {"BREAKPOINT",   1},
 231     {"BUSINFO",      0},
 232     {"CALL",         0},
 233     {"CLOSE",        0},
 234     {"DEBUG",        1},
 235     {"DISASSEMBLE",  1},
 236     {"DUMP",         1},
 237     {"ENABLEACPI",   0},
 238     {"EVENT",        1},
 239     {"EXECUTE",      1},
 240     {"EXIT",         0},
 241     {"FIND",         1},
 242     {"GO",           0},
 243     {"GPE",          2},
 244     {"GPES",         0},
 245     {"HELP",         0},
 246     {"?",            0},
 247     {"HISTORY",      0},
 248     {"!",            1},
 249     {"!!",           0},
 250     {"INFORMATION",  0},
 251     {"INTEGRITY",    0},
 252     {"INTO",         0},
 253     {"LEVEL",        0},
 254     {"LIST",         0},
 255     {"LOAD",         1},
 256     {"LOCALS",       0},
 257     {"LOCKS",        0},
 258     {"METHODS",      0},
 259     {"NAMESPACE",    0},
 260     {"NOTIFY",       2},
 261     {"OBJECT",       1},
 262     {"OPEN",         1},
 263     {"OWNER",        1},
 264     {"PREDEFINED",   0},
 265     {"PREFIX",       0},
 266     {"QUIT",         0},
 267     {"REFERENCES",   1},
 268     {"RESOURCES",    1},
 269     {"RESULTS",      0},
 270     {"SET",          3},
 271     {"SLEEP",        1},
 272     {"STATS",        0},
 273     {"STOP",         0},
 274     {"TABLES",       0},
 275     {"TERMINATE",    0},
 276     {"THREADS",      3},
 277     {"TRACE",        1},
 278     {"TREE",         0},
 279     {"TYPE",         1},
 280     {"UNLOAD",       1},
 281     {NULL,           0}
 282 };
 283
 284
 285 /*******************************************************************************
 286  *
 287  * FUNCTION:    AcpiDbDisplayHelp
 288  *
 289  * PARAMETERS:  HelpType        - Subcommand (optional)
 290  *
 291  * RETURN:      None
 292  *
 293  * DESCRIPTION: Print a usage message.
 294  *
 295  ******************************************************************************/
 296
 297 static void
 298 AcpiDbDisplayHelp (
 299     char                    *HelpType)
 300 {
 301
 302     AcpiUtStrupr (HelpType);
 303
 304     /* No parameter, just give the overview */
 305
 306     if (!HelpType)
 307     {
 308         AcpiOsPrintf ("ACPI CA Debugger Commands\n\n");
 309         AcpiOsPrintf ("The following classes of commands are available.  Help is available for\n");
 310         AcpiOsPrintf ("each class by entering \"Help <ClassName>\"\n\n");
 311         AcpiOsPrintf ("    [GENERAL]       General-Purpose Commands\n");
 312         AcpiOsPrintf ("    [NAMESPACE]     Namespace Access Commands\n");
 313         AcpiOsPrintf ("    [METHOD]        Control Method Execution Commands\n");
 314         AcpiOsPrintf ("    [STATISTICS]    Statistical Information\n");
 315         AcpiOsPrintf ("    [FILE]          File I/O Commands\n");
 316         return;
 317     }
 318
 319     /*
 320      * Parameter is the command class
 321      *
 322      * The idea here is to keep each class of commands smaller than a screenful
 323      */
 324     switch (HelpType[0])
 325     {
 326     case 'G':
 327         AcpiOsPrintf ("\nGeneral-Purpose Commands\n\n");
 328         AcpiOsPrintf ("Allocations                         Display list of current memory allocations\n");
 329         AcpiOsPrintf ("Dump <Address>|<Namepath>\n");
 330         AcpiOsPrintf ("     [Byte|Word|Dword|Qword]        Display ACPI objects or memory\n");
 331         AcpiOsPrintf ("EnableAcpi                          Enable ACPI (hardware) mode\n");
 332         AcpiOsPrintf ("Help                                This help screen\n");
 333         AcpiOsPrintf ("History                             Display command history buffer\n");
 334         AcpiOsPrintf ("Level [<DebugLevel>] [console]      Get/Set debug level for file or console\n");
 335         AcpiOsPrintf ("Locks                               Current status of internal mutexes\n");
 336         AcpiOsPrintf ("Quit or Exit                        Exit this command\n");
 337         AcpiOsPrintf ("Stats [Allocations|Memory|Misc\n");
 338         AcpiOsPrintf ("      |Objects|Sizes|Stack|Tables]  Display namespace and memory statistics\n");
 339         AcpiOsPrintf ("Tables                              Display info about loaded ACPI tables\n");
 340         AcpiOsPrintf ("Unload <TableSig> [Instance]        Unload an ACPI table\n");
 341         AcpiOsPrintf ("! <CommandNumber>                   Execute command from history buffer\n");
 342         AcpiOsPrintf ("!!                                  Execute last command again\n");
 343         return;
 344
 345     case 'S':
 346         AcpiOsPrintf ("\nStats Subcommands\n\n");
 347         AcpiOsPrintf ("Allocations                         Display list of current memory allocations\n");
 348         AcpiOsPrintf ("Memory                              Dump internal memory lists\n");
 349         AcpiOsPrintf ("Misc                                Namespace search and mutex stats\n");
 350         AcpiOsPrintf ("Objects                             Summary of namespace objects\n");
 351         AcpiOsPrintf ("Sizes                               Sizes for each of the internal objects\n");
 352         AcpiOsPrintf ("Stack                               Display CPU stack usage\n");
 353         AcpiOsPrintf ("Tables                              Info about current ACPI table(s)\n");
 354         return;
 355
 356     case 'N':
 357         AcpiOsPrintf ("\nNamespace Access Commands\n\n");
 358         AcpiOsPrintf ("Businfo                             Display system bus info\n");
 359         AcpiOsPrintf ("Disassemble <Method>                Disassemble a control method\n");
 360         AcpiOsPrintf ("Event <F|G> <Value>                 Generate AcpiEvent (Fixed/GPE)\n");
 361         AcpiOsPrintf ("Find <AcpiName>  (? is wildcard)    Find ACPI name(s) with wildcards\n");
 362         AcpiOsPrintf ("Gpe <GpeNum> <GpeBlock>             Simulate a GPE\n");
 363         AcpiOsPrintf ("Gpes                                Display info on all GPEs\n");
 364         AcpiOsPrintf ("Integrity                           Validate namespace integrity\n");
 365         AcpiOsPrintf ("Methods                             Display list of loaded control methods\n");
 366         AcpiOsPrintf ("Namespace [Object] [Depth]          Display loaded namespace tree/subtree\n");
 367         AcpiOsPrintf ("Notify <Object> <Value>             Send a notification on Object\n");
 368         AcpiOsPrintf ("Objects <ObjectType>                Display all objects of the given type\n");
 369         AcpiOsPrintf ("Owner <OwnerId> [Depth]             Display loaded namespace by object owner\n");
 370         AcpiOsPrintf ("Predefined                          Check all predefined names\n");
 371         AcpiOsPrintf ("Prefix [<NamePath>]                 Set or Get current execution prefix\n");
 372         AcpiOsPrintf ("References <Addr>                   Find all references to object at addr\n");
 373         AcpiOsPrintf ("Resources <Device>                  Get and display Device resources\n");
 374         AcpiOsPrintf ("Set N <NamedObject> <Value>         Set value for named integer\n");
 375         AcpiOsPrintf ("Sleep <SleepState>                  Simulate sleep/wake sequence\n");
 376         AcpiOsPrintf ("Terminate                           Delete namespace and all internal objects\n");
 377         AcpiOsPrintf ("Type <Object>                       Display object type\n");
 378         return;
 379
 380     case 'M':
 381         AcpiOsPrintf ("\nControl Method Execution Commands\n\n");
 382         AcpiOsPrintf ("Arguments (or Args)                 Display method arguments\n");
 383         AcpiOsPrintf ("Breakpoint <AmlOffset>              Set an AML execution breakpoint\n");
 384         AcpiOsPrintf ("Call                                Run to next control method invocation\n");
 385         AcpiOsPrintf ("Debug <Namepath> [Arguments]        Single Step a control method\n");
 386         AcpiOsPrintf ("Execute <Namepath> [Arguments]      Execute control method\n");
 387         AcpiOsPrintf ("Go                                  Allow method to run to completion\n");
 388         AcpiOsPrintf ("Information                         Display info about the current method\n");
 389         AcpiOsPrintf ("Into                                Step into (not over) a method call\n");
 390         AcpiOsPrintf ("List [# of Aml Opcodes]             Display method ASL statements\n");
 391         AcpiOsPrintf ("Locals                              Display method local variables\n");
 392         AcpiOsPrintf ("Results                             Display method result stack\n");
 393         AcpiOsPrintf ("Set <A|L> <#> <Value>               Set method data (Arguments/Locals)\n");
 394         AcpiOsPrintf ("Stop                                Terminate control method\n");
 395         AcpiOsPrintf ("Thread <Threads><Loops><NamePath>   Spawn threads to execute method(s)\n");
 396         AcpiOsPrintf ("Trace <method name>                 Trace method execution\n");
 397         AcpiOsPrintf ("Tree                                Display control method calling tree\n");
 398         AcpiOsPrintf ("<Enter>                             Single step next AML opcode (over calls)\n");
 399         return;
 400
 401     case 'F':
 402         AcpiOsPrintf ("\nFile I/O Commands\n\n");
 403         AcpiOsPrintf ("Close                               Close debug output file\n");
 404         AcpiOsPrintf ("Open <Output Filename>              Open a file for debug output\n");
 405         AcpiOsPrintf ("Load <Input Filename>               Load ACPI table from a file\n");
 406         return;
 407
 408     default:
 409         AcpiOsPrintf ("Unrecognized Command Class: %s\n", HelpType);
 410         return;
 411     }
 412 }
 413
 414
 415 /*******************************************************************************
 416  *
 417  * FUNCTION:    AcpiDbGetNextToken
 418  *
 419  * PARAMETERS:  String          - Command buffer
 420  *              Next            - Return value, end of next token
 421  *
 422  * RETURN:      Pointer to the start of the next token.
 423  *
 424  * DESCRIPTION: Command line parsing.  Get the next token on the command line
 425  *
 426  ******************************************************************************/
 427
 428 static char *
 429 AcpiDbGetNextToken (
 430     char                    *String,
 431     char                    **Next)
 432 {
 433     char                    *Start;
 434
 435
 436     /* At end of buffer? */
 437
 438     if (!String || !(*String))
 439     {
 440         return (NULL);
 441     }
 442
 443     /* Get rid of any spaces at the beginning */
 444
 445     if (*String == ' ')
 446     {
 447         while (*String && (*String == ' '))
 448         {
 449             String++;
 450         }
 451
 452         if (!(*String))
 453         {
 454             return (NULL);
 455         }
 456     }
 457
 458     Start = String;
 459
 460     /* Find end of token */
 461
 462     while (*String && (*String != ' '))
 463     {
 464         String++;
 465     }
 466
 467     if (!(*String))
 468     {
 469         *Next = NULL;
 470     }
 471     else
 472     {
 473         *String = 0;
 474         *Next = String + 1;
 475     }
 476
 477     return (Start);
 478 }
 479
 480
 481 /*******************************************************************************
 482  *
 483  * FUNCTION:    AcpiDbGetLine
 484  *
 485  * PARAMETERS:  InputBuffer         - Command line buffer
 486  *
 487  * RETURN:      Count of arguments to the command
 488  *
 489  * DESCRIPTION: Get the next command line from the user.  Gets entire line
 490  *              up to the next newline
 491  *
 492  ******************************************************************************/
 493
 494 static UINT32
 495 AcpiDbGetLine (
 496     char                    *InputBuffer)
 497 {
 498     UINT32                  i;
 499     UINT32                  Count;
 500     char                    *Next;
 501     char                    *This;
 502
 503
 504     ACPI_STRCPY (AcpiGbl_DbParsedBuf, InputBuffer);
 505
 506     This = AcpiGbl_DbParsedBuf;
 507     for (i = 0; i < ACPI_DEBUGGER_MAX_ARGS; i++)
 508     {
 509         AcpiGbl_DbArgs[i] = AcpiDbGetNextToken (This, &Next);
 510         if (!AcpiGbl_DbArgs[i])
 511         {
 512             break;
 513         }
 514
 515         This = Next;
 516     }
 517
 518     /* Uppercase the actual command */
 519
 520     if (AcpiGbl_DbArgs[0])
 521     {
 522         AcpiUtStrupr (AcpiGbl_DbArgs[0]);
 523     }
 524
 525     Count = i;
 526     if (Count)
 527     {
 528         Count--;  /* Number of args only */
 529     }
 530
 531     return (Count);
 532 }
 533
 534
 535 /*******************************************************************************
 536  *
 537  * FUNCTION:    AcpiDbMatchCommand
 538  *
 539  * PARAMETERS:  UserCommand             - User command line
 540  *
 541  * RETURN:      Index into command array, -1 if not found
 542  *
 543  * DESCRIPTION: Search command array for a command match
 544  *
 545  ******************************************************************************/
 546
 547 static UINT32
 548 AcpiDbMatchCommand (
 549     char                    *UserCommand)
 550 {
 551     UINT32                  i;
 552
 553
 554     if (!UserCommand || UserCommand[0] == 0)
 555     {
 556         return (CMD_NULL);
 557     }
 558
 559     for (i = CMD_FIRST_VALID; AcpiGbl_DbCommands[i].Name; i++)
 560     {
 561         if (ACPI_STRSTR (AcpiGbl_DbCommands[i].Name, UserCommand) ==
 562                          AcpiGbl_DbCommands[i].Name)
 563         {
 564             return (i);
 565         }
 566     }
 567
 568     /* Command not recognized */
 569
 570     return (CMD_NOT_FOUND);
 571 }
 572
 573
 574 /*******************************************************************************
 575  *
 576  * FUNCTION:    AcpiDbCommandDispatch
 577  *
 578  * PARAMETERS:  InputBuffer         - Command line buffer
 579  *              WalkState           - Current walk
 580  *              Op                  - Current (executing) parse op
 581  *
 582  * RETURN:      Status
 583  *
 584  * DESCRIPTION: Command dispatcher.
 585  *
 586  ******************************************************************************/
 587
 588 ACPI_STATUS
 589 AcpiDbCommandDispatch (
 590     char                    *InputBuffer,
 591     ACPI_WALK_STATE         *WalkState,
 592     ACPI_PARSE_OBJECT       *Op)
 593 {
 594     UINT32                  Temp;
 595     UINT32                  CommandIndex;
 596     UINT32                  ParamCount;
 597     char                    *CommandLine;
 598     ACPI_STATUS             Status = AE_CTRL_TRUE;
 599
 600
 601     /* If AcpiTerminate has been called, terminate this thread */
 602
 603     if (AcpiGbl_DbTerminateThreads)
 604     {
 605         return (AE_CTRL_TERMINATE);
 606     }
 607
 608     ParamCount = AcpiDbGetLine (InputBuffer);
 609     CommandIndex = AcpiDbMatchCommand (AcpiGbl_DbArgs[0]);
 610     Temp = 0;
 611
 612     /* Verify that we have the minimum number of params */
 613
 614     if (ParamCount < AcpiGbl_DbCommands[CommandIndex].MinArgs)
 615     {
 616         AcpiOsPrintf ("%d parameters entered, [%s] requires %d parameters\n",
 617             ParamCount, AcpiGbl_DbCommands[CommandIndex].Name,
 618             AcpiGbl_DbCommands[CommandIndex].MinArgs);
 619
 620         return (AE_CTRL_TRUE);
 621     }
 622
 623     /* Decode and dispatch the command */
 624
 625     switch (CommandIndex)
 626     {
 627     case CMD_NULL:
 628         if (Op)
 629         {
 630             return (AE_OK);
 631         }
 632         break;
 633
 634     case CMD_ALLOCATIONS:
 635
 636 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
 637         AcpiUtDumpAllocations ((UINT32) -1, NULL);
 638 #endif
 639         break;
 640
 641     case CMD_ARGS:
 642     case CMD_ARGUMENTS:
 643         AcpiDbDisplayArguments ();
 644         break;
 645
 646     case CMD_BATCH:
 647         AcpiDbBatchExecute ();
 648         break;
 649
 650     case CMD_BREAKPOINT:
 651         AcpiDbSetMethodBreakpoint (AcpiGbl_DbArgs[1], WalkState, Op);
 652         break;
 653
 654     case CMD_BUSINFO:
 655         AcpiDbGetBusInfo ();
 656         break;
 657
 658     case CMD_CALL:
 659         AcpiDbSetMethodCallBreakpoint (Op);
 660         Status = AE_OK;
 661         break;
 662
 663     case CMD_CLOSE:
 664         AcpiDbCloseDebugFile ();
 665         break;
 666
 667     case CMD_DEBUG:
 668         AcpiDbExecute (AcpiGbl_DbArgs[1], &AcpiGbl_DbArgs[2], EX_SINGLE_STEP);
 669         break;
 670
 671     case CMD_DISASSEMBLE:
 672         (void) AcpiDbDisassembleMethod (AcpiGbl_DbArgs[1]);
 673         break;
 674
 675     case CMD_DUMP:
 676         AcpiDbDecodeAndDisplayObject (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
 677         break;
 678
 679     case CMD_ENABLEACPI:
 680         Status = AcpiEnable();
 681         if (ACPI_FAILURE(Status))
 682         {
 683             AcpiOsPrintf("AcpiEnable failed (Status=%X)\n", Status);
 684             return (Status);
 685         }
 686         break;
 687
 688     case CMD_EVENT:
 689         AcpiOsPrintf ("Event command not implemented\n");
 690         break;
 691
 692     case CMD_EXECUTE:
 693         AcpiDbExecute (AcpiGbl_DbArgs[1],
 694             &AcpiGbl_DbArgs[2], EX_NO_SINGLE_STEP);
 695         break;
 696
 697     case CMD_FIND:
 698         Status = AcpiDbFindNameInNamespace (AcpiGbl_DbArgs[1]);
 699         break;
 700
 701     case CMD_GO:
 702         AcpiGbl_CmSingleStep = FALSE;
 703         return (AE_OK);
 704
 705     case CMD_GPE:
 706         AcpiDbGenerateGpe (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
 707         break;
 708
 709     case CMD_GPES:
 710         AcpiDbDisplayGpes ();
 711         break;
 712
 713     case CMD_HELP:
 714     case CMD_HELP2:
 715         AcpiDbDisplayHelp (AcpiGbl_DbArgs[1]);
 716         break;
 717
 718     case CMD_HISTORY:
 719         AcpiDbDisplayHistory ();
 720         break;
 721
 722     case CMD_HISTORY_EXE:
 723         CommandLine = AcpiDbGetFromHistory (AcpiGbl_DbArgs[1]);
 724         if (!CommandLine)
 725         {
 726             return (AE_CTRL_TRUE);
 727         }
 728
 729         Status = AcpiDbCommandDispatch (CommandLine, WalkState, Op);
 730         return (Status);
 731
 732     case CMD_HISTORY_LAST:
 733         CommandLine = AcpiDbGetFromHistory (NULL);
 734         if (!CommandLine)
 735         {
 736             return (AE_CTRL_TRUE);
 737         }
 738
 739         Status = AcpiDbCommandDispatch (CommandLine, WalkState, Op);
 740         return (Status);
 741
 742     case CMD_INFORMATION:
 743         AcpiDbDisplayMethodInfo (Op);
 744         break;
 745
 746     case CMD_INTEGRITY:
 747         AcpiDbCheckIntegrity ();
 748         break;
 749
 750     case CMD_INTO:
 751         if (Op)
 752         {
 753             AcpiGbl_CmSingleStep = TRUE;
 754             return (AE_OK);
 755         }
 756         break;
 757
 758     case CMD_LEVEL:
 759         if (ParamCount == 0)
 760         {
 761             AcpiOsPrintf ("Current debug level for file output is:    %8.8lX\n",
 762                 AcpiGbl_DbDebugLevel);
 763             AcpiOsPrintf ("Current debug level for console output is: %8.8lX\n",
 764                 AcpiGbl_DbConsoleDebugLevel);
 765         }
 766         else if (ParamCount == 2)
 767         {
 768             Temp = AcpiGbl_DbConsoleDebugLevel;
 769             AcpiGbl_DbConsoleDebugLevel = ACPI_STRTOUL (AcpiGbl_DbArgs[1],
 770                                             NULL, 16);
 771             AcpiOsPrintf (
 772                 "Debug Level for console output was %8.8lX, now %8.8lX\n",
 773                 Temp, AcpiGbl_DbConsoleDebugLevel);
 774         }
 775         else
 776         {
 777             Temp = AcpiGbl_DbDebugLevel;
 778             AcpiGbl_DbDebugLevel = ACPI_STRTOUL (AcpiGbl_DbArgs[1], NULL, 16);
 779             AcpiOsPrintf (
 780                 "Debug Level for file output was %8.8lX, now %8.8lX\n",
 781                 Temp, AcpiGbl_DbDebugLevel);
 782         }
 783         break;
 784
 785     case CMD_LIST:
 786         AcpiDbDisassembleAml (AcpiGbl_DbArgs[1], Op);
 787         break;
 788
 789     case CMD_LOAD:
 790         Status = AcpiDbGetTableFromFile (AcpiGbl_DbArgs[1], NULL);
 791         break;
 792
 793     case CMD_LOCKS:
 794         AcpiDbDisplayLocks ();
 795         break;
 796
 797     case CMD_LOCALS:
 798         AcpiDbDisplayLocals ();
 799         break;
 800
 801     case CMD_METHODS:
 802         Status = AcpiDbDisplayObjects (__UNCONST("METHOD"), AcpiGbl_DbArgs[1]);
 803         break;
 804
 805     case CMD_NAMESPACE:
 806         AcpiDbDumpNamespace (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
 807         break;
 808
 809     case CMD_NOTIFY:
 810         Temp = ACPI_STRTOUL (AcpiGbl_DbArgs[2], NULL, 0);
 811         AcpiDbSendNotify (AcpiGbl_DbArgs[1], Temp);
 812         break;
 813
 814     case CMD_OBJECT:
 815         AcpiUtStrupr (AcpiGbl_DbArgs[1]);
 816         Status = AcpiDbDisplayObjects (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
 817         break;
 818
 819     case CMD_OPEN:
 820         AcpiDbOpenDebugFile (AcpiGbl_DbArgs[1]);
 821         break;
 822
 823     case CMD_OWNER:
 824         AcpiDbDumpNamespaceByOwner (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
 825         break;
 826
 827     case CMD_PREDEFINED:
 828         AcpiDbCheckPredefinedNames ();
 829         break;
 830
 831     case CMD_PREFIX:
 832         AcpiDbSetScope (AcpiGbl_DbArgs[1]);
 833         break;
 834
 835     case CMD_REFERENCES:
 836         AcpiDbFindReferences (AcpiGbl_DbArgs[1]);
 837         break;
 838
 839     case CMD_RESOURCES:
 840         AcpiDbDisplayResources (AcpiGbl_DbArgs[1]);
 841         break;
 842
 843     case CMD_RESULTS:
 844         AcpiDbDisplayResults ();
 845         break;
 846
 847     case CMD_SET:
 848         AcpiDbSetMethodData (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2],
 849             AcpiGbl_DbArgs[3]);
 850         break;
 851
 852     case CMD_SLEEP:
 853         Status = AcpiDbSleep (AcpiGbl_DbArgs[1]);
 854         break;
 855
 856     case CMD_STATS:
 857         Status = AcpiDbDisplayStatistics (AcpiGbl_DbArgs[1]);
 858         break;
 859
 860     case CMD_STOP:
 861         return (AE_NOT_IMPLEMENTED);
 862
 863     case CMD_TABLES:
 864         AcpiDbDisplayTableInfo (AcpiGbl_DbArgs[1]);
 865         break;
 866
 867     case CMD_TERMINATE:
 868         AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT);
 869         AcpiUtSubsystemShutdown ();
 870
 871         /*
 872          * TBD: [Restructure] Need some way to re-initialize without
 873          * re-creating the semaphores!
 874          */
 875
 876         /*  AcpiInitialize (NULL);  */
 877         break;
 878
 879     case CMD_THREADS:
 880         AcpiDbCreateExecutionThreads (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2],
 881             AcpiGbl_DbArgs[3]);
 882         break;
 883
 884     case CMD_TRACE:
 885         (void) AcpiDebugTrace (AcpiGbl_DbArgs[1],0,0,1);
 886         break;
 887
 888     case CMD_TREE:
 889         AcpiDbDisplayCallingTree ();
 890         break;
 891
 892     case CMD_TYPE:
 893         AcpiDbDisplayObjectType (AcpiGbl_DbArgs[1]);
 894         break;
 895
 896     case CMD_UNLOAD:
 897         AcpiDbUnloadAcpiTable (AcpiGbl_DbArgs[1], AcpiGbl_DbArgs[2]);
 898         break;
 899
 900     case CMD_EXIT:
 901     case CMD_QUIT:
 902         if (Op)
 903         {
 904             AcpiOsPrintf ("Method execution terminated\n");
 905             return (AE_CTRL_TERMINATE);
 906         }
 907
 908         if (!AcpiGbl_DbOutputToFile)
 909         {
 910             AcpiDbgLevel = ACPI_DEBUG_DEFAULT;
 911         }
 912
 913         AcpiDbCloseDebugFile ();
 914         AcpiGbl_DbTerminateThreads = TRUE;
 915         return (AE_CTRL_TERMINATE);
 916
 917     case CMD_NOT_FOUND:
 918     default:
 919         AcpiOsPrintf ("Unknown Command\n");
 920         return (AE_CTRL_TRUE);
 921     }
 922
 923     if (ACPI_SUCCESS (Status))
 924     {
 925         Status = AE_CTRL_TRUE;
 926     }
 927
 928     /* Add all commands that come here to the history buffer */
 929
 930     AcpiDbAddToHistory (InputBuffer);
 931     return (Status);
 932 }
 933
 934
 935 /*******************************************************************************
 936  *
 937  * FUNCTION:    AcpiDbExecuteThread
 938  *
 939  * PARAMETERS:  Context         - Not used
 940  *
 941  * RETURN:      None
 942  *
 943  * DESCRIPTION: Debugger execute thread.  Waits for a command line, then
 944  *              simply dispatches it.
 945  *
 946  ******************************************************************************/
 947
 948 void ACPI_SYSTEM_XFACE
 949 AcpiDbExecuteThread (
 950     void                    *Context)
 951 {
 952     ACPI_STATUS             Status = AE_OK;
 953     ACPI_STATUS             MStatus;
 954
 955
 956     while (Status != AE_CTRL_TERMINATE)
 957     {
 958         AcpiGbl_MethodExecuting = FALSE;
 959         AcpiGbl_StepToNextCall = FALSE;
 960
 961         MStatus = AcpiUtAcquireMutex (ACPI_MTX_DEBUG_CMD_READY);
 962         if (ACPI_FAILURE (MStatus))
 963         {
 964             return;
 965         }
 966
 967         Status = AcpiDbCommandDispatch (AcpiGbl_DbLineBuf, NULL, NULL);
 968
 969         MStatus = AcpiUtReleaseMutex (ACPI_MTX_DEBUG_CMD_COMPLETE);
 970         if (ACPI_FAILURE (MStatus))
 971         {
 972             return;
 973         }
 974     }
 975 }
 976
 977
 978 /*******************************************************************************
 979  *
 980  * FUNCTION:    AcpiDbSingleThread
 981  *
 982  * PARAMETERS:  None
 983  *
 984  * RETURN:      None
 985  *
 986  * DESCRIPTION: Debugger execute thread.  Waits for a command line, then
 987  *              simply dispatches it.
 988  *
 989  ******************************************************************************/
 990
 991 static void
 992 AcpiDbSingleThread (
 993     void)
 994 {
 995
 996     AcpiGbl_MethodExecuting = FALSE;
 997     AcpiGbl_StepToNextCall = FALSE;
 998
 999     (void) AcpiDbCommandDispatch (AcpiGbl_DbLineBuf, NULL, NULL);
1000 }
1001
1002
1003 /*******************************************************************************
1004  *
1005  * FUNCTION:    AcpiDbUserCommands
1006  *
1007  * PARAMETERS:  Prompt              - User prompt (depends on mode)
1008  *              Op                  - Current executing parse op
1009  *
1010  * RETURN:      None
1011  *
1012  * DESCRIPTION: Command line execution for the AML debugger.  Commands are
1013  *              matched and dispatched here.
1014  *
1015  ******************************************************************************/
1016
1017 ACPI_STATUS
1018 AcpiDbUserCommands (
1019     char                    Prompt,
1020     ACPI_PARSE_OBJECT       *Op)
1021 {
1022     ACPI_STATUS             Status = AE_OK;
1023
1024
1025     /* TBD: [Restructure] Need a separate command line buffer for step mode */
1026
1027     while (!AcpiGbl_DbTerminateThreads)
1028     {
1029         /* Force output to console until a command is entered */
1030
1031         AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
1032
1033         /* Different prompt if method is executing */
1034
1035         if (!AcpiGbl_MethodExecuting)
1036         {
1037             AcpiOsPrintf ("%1c ", ACPI_DEBUGGER_COMMAND_PROMPT);
1038         }
1039         else
1040         {
1041             AcpiOsPrintf ("%1c ", ACPI_DEBUGGER_EXECUTE_PROMPT);
1042         }
1043
1044         /* Get the user input line */
1045
1046         (void) AcpiOsGetLine (AcpiGbl_DbLineBuf);
1047
1048         /* Check for single or multithreaded debug */
1049
1050         if (AcpiGbl_DebuggerConfiguration & DEBUGGER_MULTI_THREADED)
1051         {
1052             /*
1053              * Signal the debug thread that we have a command to execute,
1054              * and wait for the command to complete.
1055              */
1056             Status = AcpiUtReleaseMutex (ACPI_MTX_DEBUG_CMD_READY);
1057             if (ACPI_FAILURE (Status))
1058             {
1059                 return (Status);
1060             }
1061
1062             Status = AcpiUtAcquireMutex (ACPI_MTX_DEBUG_CMD_COMPLETE);
1063             if (ACPI_FAILURE (Status))
1064             {
1065                 return (Status);
1066             }
1067         }
1068         else
1069         {
1070             /* Just call to the command line interpreter */
1071
1072             AcpiDbSingleThread ();
1073         }
1074     }
1075
1076     /*
1077      * Only this thread (the original thread) should actually terminate the
1078      * subsystem, because all the semaphores are deleted during termination
1079      */
1080     Status = AcpiTerminate ();
1081     return (Status);
1082 }
1083
1084 #endif  /* ACPI_DEBUGGER */
1085