sys/external/intel-public/acpica/dist/tools/acpiexec/aeexec.c

   1 /******************************************************************************
   2  *
   3  * Module Name: aeexec - Support routines for AcpiExec utility
   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 #include "aecommon.h"
 117
 118 #define _COMPONENT          ACPI_TOOLS
 119         ACPI_MODULE_NAME    ("aeexec")
 120
 121 /* Local prototypes */
 122
 123 ACPI_STATUS
 124 AeSetupConfiguration (
 125     void                    *RegionAddr);
 126
 127 void
 128 AfInstallGpeBlock (
 129     void);
 130
 131 void
 132 AeTestBufferArgument (
 133     void);
 134
 135 void
 136 AeTestPackageArgument (
 137     void);
 138
 139 ACPI_STATUS
 140 AeGetDevices (
 141     ACPI_HANDLE             ObjHandle,
 142     UINT32                  NestingLevel,
 143     void                    *Context,
 144     void                    **ReturnValue);
 145
 146 ACPI_STATUS
 147 ExecuteOSI (
 148     char                    *OsiString,
 149     UINT32                  ExpectedResult);
 150
 151 void
 152 AeHardwareInterfaces (
 153     void);
 154
 155 void
 156 AeGenericRegisters (
 157     void);
 158
 159 extern unsigned char Ssdt3Code[];
 160
 161
 162 /******************************************************************************
 163  *
 164  * FUNCTION:    AeSetupConfiguration
 165  *
 166  * PARAMETERS:  RegionAddr          - Address for an ACPI table to be loaded
 167  *                                    dynamically. Test purposes only.
 168  *
 169  * RETURN:      Status
 170  *
 171  * DESCRIPTION: Call AML _CFG configuration control method
 172  *
 173  *****************************************************************************/
 174
 175 ACPI_STATUS
 176 AeSetupConfiguration (
 177     void                    *RegionAddr)
 178 {
 179     ACPI_STATUS             Status;
 180     ACPI_OBJECT_LIST        ArgList;
 181     ACPI_OBJECT             Arg[3];
 182
 183
 184     /*
 185      * Invoke _CFG method if present
 186      */
 187     ArgList.Count = 1;
 188     ArgList.Pointer = Arg;
 189
 190     Arg[0].Type = ACPI_TYPE_INTEGER;
 191     Arg[0].Integer.Value = ACPI_TO_INTEGER (RegionAddr);
 192
 193     Status = AcpiEvaluateObject (NULL, "\\_CFG", &ArgList, NULL);
 194
 195     return (AE_OK);
 196 }
 197
 198
 199 /******************************************************************************
 200  *
 201  * FUNCTION:    AfInstallGpeBlock
 202  *
 203  * PARAMETERS:  None
 204  *
 205  * RETURN:      None
 206  *
 207  * DESCRIPTION: Various GPE initialization
 208  *
 209  *****************************************************************************/
 210
 211 void
 212 AfInstallGpeBlock (
 213     void)
 214 {
 215     ACPI_STATUS                 Status;
 216     ACPI_HANDLE                 Handle;
 217     ACPI_HANDLE                 Handle2 = NULL;
 218     ACPI_HANDLE                 Handle3 = NULL;
 219     ACPI_GENERIC_ADDRESS        BlockAddress;
 220     ACPI_HANDLE                 GpeDevice;
 221
 222
 223     Status = AcpiGetHandle (NULL, "\\_GPE", &Handle);
 224     if (ACPI_FAILURE (Status))
 225     {
 226         return;
 227     }
 228
 229     BlockAddress.SpaceId = 0;
 230     BlockAddress.Address = 0x76540000;
 231
 232 #ifdef _OBSOLETE
 233     Status = AcpiInstallGpeBlock (Handle, &BlockAddress, 4, 8);
 234 #endif
 235
 236     /* Above should fail, ignore */
 237
 238     Status = AcpiGetHandle (NULL, "\\GPE2", &Handle2);
 239     if (ACPI_SUCCESS (Status))
 240     {
 241         Status = AcpiInstallGpeBlock (Handle2, &BlockAddress, 8, 8);
 242
 243         AcpiInstallGpeHandler (Handle2, 8, ACPI_GPE_LEVEL_TRIGGERED, AeGpeHandler, NULL);
 244         AcpiSetGpeType (Handle2, 8, ACPI_GPE_TYPE_WAKE);
 245         AcpiEnableGpe (Handle2, 8, 0);
 246
 247         Status = AcpiGetGpeDevice (0x30, &GpeDevice);
 248         Status = AcpiGetGpeDevice (0x42, &GpeDevice);
 249         Status = AcpiGetGpeDevice (AcpiCurrentGpeCount-1, &GpeDevice);
 250         Status = AcpiGetGpeDevice (AcpiCurrentGpeCount, &GpeDevice);
 251
 252         AcpiRemoveGpeHandler (Handle2, 8, AeGpeHandler);
 253
 254         Status = AcpiRemoveGpeBlock (Handle2);
 255     }
 256
 257     Status = AcpiGetHandle (NULL, "\\GPE3", &Handle3);
 258     if (ACPI_SUCCESS (Status))
 259     {
 260         Status = AcpiInstallGpeBlock (Handle3, &BlockAddress, 8, 11);
 261     }
 262
 263 #ifdef _OBSOLETE
 264     Status = AcpiRemoveGpeBlock (Handle);
 265     Status = AcpiRemoveGpeBlock (Handle2);
 266     Status = AcpiRemoveGpeBlock (Handle3);
 267 #endif
 268 }
 269
 270
 271 /* Test using a Buffer object as a method argument */
 272
 273 void
 274 AeTestBufferArgument (
 275     void)
 276 {
 277     ACPI_STATUS             Status;
 278     ACPI_OBJECT_LIST        Params;
 279     ACPI_OBJECT             BufArg;
 280     UINT8                   Buffer[] = {
 281         0,0,0,0,
 282         4,0,0,0,
 283         1,2,3,4};
 284
 285
 286     BufArg.Type = ACPI_TYPE_BUFFER;
 287     BufArg.Buffer.Length = 12;
 288     BufArg.Buffer.Pointer = Buffer;
 289
 290     Params.Count = 1;
 291     Params.Pointer = &BufArg;
 292
 293
 294     Status = AcpiEvaluateObject (NULL, "\\BUF", &Params, NULL);
 295 }
 296
 297
 298 ACPI_OBJECT                 PkgArg;
 299 ACPI_OBJECT                 PkgElements[5];
 300 ACPI_OBJECT                 Pkg2Elements[5];
 301 ACPI_OBJECT_LIST            Params;
 302
 303
 304 /*
 305  * Test using a Package object as an method argument
 306  */
 307 void
 308 AeTestPackageArgument (
 309     void)
 310 {
 311     ACPI_STATUS             Status;
 312
 313
 314     /* Main package */
 315
 316     PkgArg.Type = ACPI_TYPE_PACKAGE;
 317     PkgArg.Package.Count = 4;
 318     PkgArg.Package.Elements = PkgElements;
 319
 320     /* Main package elements */
 321
 322     PkgElements[0].Type = ACPI_TYPE_INTEGER;
 323     PkgElements[0].Integer.Value = 0x22228888;
 324
 325     PkgElements[1].Type = ACPI_TYPE_STRING;
 326     PkgElements[1].String.Length = sizeof ("Top-level package");
 327     PkgElements[1].String.Pointer = "Top-level package";
 328
 329     PkgElements[2].Type = ACPI_TYPE_BUFFER;
 330     PkgElements[2].Buffer.Length = sizeof ("XXXX");
 331     PkgElements[2].Buffer.Pointer = (UINT8 *) "XXXX";
 332
 333     PkgElements[3].Type = ACPI_TYPE_PACKAGE;
 334     PkgElements[3].Package.Count = 2;
 335     PkgElements[3].Package.Elements = Pkg2Elements;
 336
 337     /* Sub-package elements */
 338
 339     Pkg2Elements[0].Type = ACPI_TYPE_INTEGER;
 340     Pkg2Elements[0].Integer.Value = 0xAAAABBBB;
 341
 342     Pkg2Elements[1].Type = ACPI_TYPE_STRING;
 343     Pkg2Elements[1].String.Length = sizeof ("Nested Package");
 344     Pkg2Elements[1].String.Pointer = "Nested Package";
 345
 346     /* Parameter object */
 347
 348     Params.Count = 1;
 349     Params.Pointer = &PkgArg;
 350
 351     Status = AcpiEvaluateObject (NULL, "\\_PKG", &Params, NULL);
 352 }
 353
 354
 355 ACPI_STATUS
 356 AeGetDevices (
 357     ACPI_HANDLE                     ObjHandle,
 358     UINT32                          NestingLevel,
 359     void                            *Context,
 360     void                            **ReturnValue)
 361 {
 362
 363     return (AE_OK);
 364 }
 365
 366
 367 /******************************************************************************
 368  *
 369  * FUNCTION:    ExecuteOSI
 370  *
 371  * PARAMETERS:  OsiString           - String passed to _OSI method
 372  *              ExpectedResult      - 0 (FALSE) or 0xFFFFFFFF (TRUE)
 373  *
 374  * RETURN:      Status
 375  *
 376  * DESCRIPTION: Execute the internally implemented (in ACPICA) _OSI method.
 377  *
 378  *****************************************************************************/
 379
 380 ACPI_STATUS
 381 ExecuteOSI (
 382     char                    *OsiString,
 383     UINT32                  ExpectedResult)
 384 {
 385     ACPI_STATUS             Status;
 386     ACPI_OBJECT_LIST        ArgList;
 387     ACPI_OBJECT             Arg[1];
 388     ACPI_BUFFER             ReturnValue;
 389     ACPI_OBJECT             *Obj;
 390
 391
 392     /* Setup input argument */
 393
 394     ArgList.Count = 1;
 395     ArgList.Pointer = Arg;
 396
 397     Arg[0].Type = ACPI_TYPE_STRING;
 398     Arg[0].String.Pointer = OsiString;
 399     Arg[0].String.Length = strlen (Arg[0].String.Pointer);
 400
 401     /* Ask ACPICA to allocate space for the return object */
 402
 403     ReturnValue.Length = ACPI_ALLOCATE_BUFFER;
 404
 405     Status = AcpiEvaluateObject (NULL, "\\_OSI", &ArgList, &ReturnValue);
 406
 407     if (ACPI_FAILURE (Status))
 408     {
 409         AcpiOsPrintf ("Could not execute _OSI method, %s\n",
 410             AcpiFormatException (Status));
 411         return (Status);
 412     }
 413
 414     if (ReturnValue.Length < sizeof (ACPI_OBJECT))
 415     {
 416         AcpiOsPrintf ("Return value from _OSI method too small, %.8X\n",
 417             ReturnValue.Length);
 418         return (AE_ERROR);
 419     }
 420
 421     Obj = ReturnValue.Pointer;
 422     if (Obj->Type != ACPI_TYPE_INTEGER)
 423     {
 424         AcpiOsPrintf ("Invalid return type from _OSI method, %.2X\n", Obj->Type);
 425         return (AE_ERROR);
 426     }
 427
 428     if (Obj->Integer.Value != ExpectedResult)
 429     {
 430         AcpiOsPrintf ("Invalid return value from _OSI, expected %.8X found %.8X\n",
 431             ExpectedResult, (UINT32) Obj->Integer.Value);
 432         return (AE_ERROR);
 433     }
 434
 435     /* Reset the OSI data */
 436
 437     AcpiGbl_OsiData = 0;
 438     return (AE_OK);
 439 }
 440
 441
 442 /******************************************************************************
 443  *
 444  * FUNCTION:    AeGenericRegisters
 445  *
 446  * DESCRIPTION: Call the AcpiRead/Write interfaces.
 447  *
 448  *****************************************************************************/
 449
 450 ACPI_GENERIC_ADDRESS       GenericRegister;
 451
 452 void
 453 AeGenericRegisters (
 454     void)
 455 {
 456     ACPI_STATUS             Status;
 457     UINT64                  Value;
 458
 459
 460     GenericRegister.Address = 0x1234;
 461     GenericRegister.BitWidth = 64;
 462     GenericRegister.BitOffset = 0;
 463     GenericRegister.SpaceId = ACPI_ADR_SPACE_SYSTEM_IO;
 464
 465     Status = AcpiRead (&Value, &GenericRegister);
 466     Status = AcpiWrite (Value, &GenericRegister);
 467
 468     GenericRegister.Address = 0x12345678;
 469     GenericRegister.BitOffset = 0;
 470     GenericRegister.SpaceId = ACPI_ADR_SPACE_SYSTEM_MEMORY;
 471
 472     Status = AcpiRead (&Value, &GenericRegister);
 473     Status = AcpiWrite (Value, &GenericRegister);
 474 }
 475
 476
 477 /******************************************************************************
 478  *
 479  * FUNCTION:    AeHardwareInterfaces
 480  *
 481  * DESCRIPTION: Call various hardware support interfaces
 482  *
 483  *****************************************************************************/
 484
 485 void
 486 AeHardwareInterfaces (
 487     void)
 488 {
 489     ACPI_STATUS             Status;
 490     UINT32                  Value;
 491
 492
 493
 494     Status = AcpiWriteBitRegister (ACPI_BITREG_WAKE_STATUS, 1);
 495     Status = AcpiWriteBitRegister (ACPI_BITREG_GLOBAL_LOCK_ENABLE, 1);
 496     Status = AcpiWriteBitRegister (ACPI_BITREG_SLEEP_ENABLE, 1);
 497     Status = AcpiWriteBitRegister (ACPI_BITREG_ARB_DISABLE, 1);
 498
 499     Status = AcpiReadBitRegister (ACPI_BITREG_WAKE_STATUS, &Value);
 500     Status = AcpiReadBitRegister (ACPI_BITREG_GLOBAL_LOCK_ENABLE, &Value);
 501     Status = AcpiReadBitRegister (ACPI_BITREG_SLEEP_ENABLE, &Value);
 502     Status = AcpiReadBitRegister (ACPI_BITREG_ARB_DISABLE, &Value);
 503 }
 504
 505
 506 /******************************************************************************
 507  *
 508  * FUNCTION:    AeMiscellaneousTests
 509  *
 510  * DESCRIPTION: Various ACPICA validation tests.
 511  *
 512  *****************************************************************************/
 513
 514 void
 515 AeMiscellaneousTests (
 516     void)
 517 {
 518     ACPI_HANDLE             Handle;
 519     ACPI_BUFFER             ReturnBuf;
 520     char                    Buffer[32];
 521     ACPI_VENDOR_UUID        Uuid = {0, {ACPI_INIT_UUID (0,0,0,0,0,0,0,0,0,0,0)}};
 522     ACPI_STATUS             Status;
 523     UINT32                  LockHandle1;
 524     UINT32                  LockHandle2;
 525     ACPI_STATISTICS         Stats;
 526
 527
 528     AeHardwareInterfaces ();
 529     AeGenericRegisters ();
 530     AeSetupConfiguration (Ssdt3Code);
 531
 532     AeTestBufferArgument();
 533     AeTestPackageArgument ();
 534     ExecuteOSI ("Windows 2001", 0xFFFFFFFF);
 535     ExecuteOSI ("MichiganTerminalSystem", 0);
 536
 537
 538     ReturnBuf.Length = 32;
 539     ReturnBuf.Pointer = Buffer;
 540
 541     AcpiGetName (AcpiGbl_RootNode, ACPI_FULL_PATHNAME, &ReturnBuf);
 542     AcpiEnableEvent (ACPI_EVENT_GLOBAL, 0);
 543
 544     AcpiInstallGpeHandler (NULL, 0, ACPI_GPE_LEVEL_TRIGGERED, AeGpeHandler, NULL);
 545     AcpiSetGpeType (NULL, 0, ACPI_GPE_TYPE_WAKE_RUN);
 546     AcpiEnableGpe (NULL, 0, ACPI_NOT_ISR);
 547     AcpiRemoveGpeHandler (NULL, 0, AeGpeHandler);
 548
 549     AcpiInstallGpeHandler (NULL, 0, ACPI_GPE_LEVEL_TRIGGERED, AeGpeHandler, NULL);
 550     AcpiSetGpeType (NULL, 0, ACPI_GPE_TYPE_WAKE_RUN);
 551     AcpiEnableGpe (NULL, 0, ACPI_NOT_ISR);
 552
 553     AcpiInstallGpeHandler (NULL, 1, ACPI_GPE_EDGE_TRIGGERED, AeGpeHandler, NULL);
 554     AcpiSetGpeType (NULL, 1, ACPI_GPE_TYPE_RUNTIME);
 555     AcpiEnableGpe (NULL, 1, ACPI_NOT_ISR);
 556
 557     AcpiInstallGpeHandler (NULL, 2, ACPI_GPE_LEVEL_TRIGGERED, AeGpeHandler, NULL);
 558     AcpiSetGpeType (NULL, 2, ACPI_GPE_TYPE_WAKE);
 559     AcpiEnableGpe (NULL, 2, ACPI_NOT_ISR);
 560
 561     AcpiInstallGpeHandler (NULL, 3, ACPI_GPE_EDGE_TRIGGERED, AeGpeHandler, NULL);
 562     AcpiSetGpeType (NULL, 3, ACPI_GPE_TYPE_WAKE_RUN);
 563
 564     AcpiInstallGpeHandler (NULL, 4, ACPI_GPE_LEVEL_TRIGGERED, AeGpeHandler, NULL);
 565     AcpiSetGpeType (NULL, 4, ACPI_GPE_TYPE_RUNTIME);
 566
 567     AcpiInstallGpeHandler (NULL, 5, ACPI_GPE_EDGE_TRIGGERED, AeGpeHandler, NULL);
 568     AcpiSetGpeType (NULL, 5, ACPI_GPE_TYPE_WAKE);
 569
 570     AcpiInstallGpeHandler (NULL, 0x19, ACPI_GPE_LEVEL_TRIGGERED, AeGpeHandler, NULL);
 571     AcpiSetGpeType (NULL, 0x19, ACPI_GPE_TYPE_WAKE_RUN);
 572     AcpiEnableGpe (NULL, 0x19, ACPI_NOT_ISR);
 573
 574     AfInstallGpeBlock ();
 575
 576
 577     Status = AcpiGetHandle (NULL, "RSRC", &Handle);
 578     if (ACPI_SUCCESS (Status))
 579     {
 580         ReturnBuf.Length = ACPI_ALLOCATE_BUFFER;
 581
 582         Status = AcpiGetVendorResource (Handle, "_CRS", &Uuid, &ReturnBuf);
 583         if (ACPI_SUCCESS (Status))
 584         {
 585             AcpiOsFree (ReturnBuf.Pointer);
 586         }
 587     }
 588
 589     /* Test global lock */
 590
 591     Status = AcpiAcquireGlobalLock (0xFFFF, &LockHandle1);
 592     if (ACPI_FAILURE (Status))
 593     {
 594         AcpiOsPrintf ("Could not get GlobalLock, %X\n", Status);
 595     }
 596
 597     Status = AcpiAcquireGlobalLock (0x5, &LockHandle2);
 598     if (ACPI_FAILURE (Status))
 599     {
 600         AcpiOsPrintf ("Could not get GlobalLock, %X\n", Status);
 601     }
 602
 603     Status = AcpiReleaseGlobalLock (LockHandle1);
 604     if (ACPI_FAILURE (Status))
 605     {
 606         AcpiOsPrintf ("Could not release GlobalLock, %X\n", Status);
 607     }
 608
 609     Status = AcpiReleaseGlobalLock (LockHandle2);
 610     if (ACPI_FAILURE (Status))
 611     {
 612         AcpiOsPrintf ("Could not release GlobalLock, %X\n", Status);
 613     }
 614
 615     /* Get Devices */
 616
 617     Status = AcpiGetDevices (NULL, AeGetDevices, NULL, NULL);
 618     if (ACPI_FAILURE (Status))
 619     {
 620         AcpiOsPrintf ("Could not AcpiGetDevices, %X\n", Status);
 621     }
 622
 623     Status = AcpiGetStatistics (&Stats);
 624     if (ACPI_FAILURE (Status))
 625     {
 626         AcpiOsPrintf ("Could not AcpiGetStatistics, %X\n", Status);
 627     }
 628 }
 629