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nseval.c (71867) nseval.c (73561)
1/*******************************************************************************
2 *
3 * Module Name: nseval - Object evaluation interfaces -- includes control
4 * method lookup and execution.
1/*******************************************************************************
2 *
3 * Module Name: nseval - Object evaluation interfaces -- includes control
4 * method lookup and execution.
5 * $Revision: 81 $
5 * $Revision: 83 $
6 *
7 ******************************************************************************/
8
9/******************************************************************************
10 *
11 * 1. Copyright Notice
12 *
13 * Some or all of this work - Copyright (c) 1999, 2000, 2001, Intel Corp.

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383
384 /* Get the prefix handle and Node */
385
386 AcpiCmAcquireMutex (ACPI_MTX_NAMESPACE);
387
388 Node = AcpiNsConvertHandleToEntry (Handle);
389 if (!Node)
390 {
6 *
7 ******************************************************************************/
8
9/******************************************************************************
10 *
11 * 1. Copyright Notice
12 *
13 * Some or all of this work - Copyright (c) 1999, 2000, 2001, Intel Corp.

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383
384 /* Get the prefix handle and Node */
385
386 AcpiCmAcquireMutex (ACPI_MTX_NAMESPACE);
387
388 Node = AcpiNsConvertHandleToEntry (Handle);
389 if (!Node)
390 {
391 Status = AE_BAD_PARAMETER;
392 goto UnlockAndExit;
391 AcpiCmReleaseMutex (ACPI_MTX_NAMESPACE);
392 return_ACPI_STATUS (AE_BAD_PARAMETER);
393 }
394
395
396 /*
397 * Two major cases here:
398 * 1) The object is an actual control method -- execute it.
399 * 2) The object is not a method -- just return it's current
400 * value

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451 }
452 }
453
454 /*
455 * Namespace was unlocked by the handling AcpiNs* function,
456 * so we just return
457 */
458 return_ACPI_STATUS (Status);
393 }
394
395
396 /*
397 * Two major cases here:
398 * 1) The object is an actual control method -- execute it.
399 * 2) The object is not a method -- just return it's current
400 * value

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451 }
452 }
453
454 /*
455 * Namespace was unlocked by the handling AcpiNs* function,
456 * so we just return
457 */
458 return_ACPI_STATUS (Status);
459
460
461UnlockAndExit:
462
463 AcpiCmReleaseMutex (ACPI_MTX_NAMESPACE);
464 return_ACPI_STATUS (Status);
465}
466
467
468/*******************************************************************************
469 *
470 * FUNCTION: AcpiNsExecuteControlMethod
471 *
472 * PARAMETERS: MethodNode - The object/method

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492{
493 ACPI_STATUS Status;
494 ACPI_OPERAND_OBJECT *ObjDesc;
495
496
497 FUNCTION_TRACE ("NsExecuteControlMethod");
498
499
459}
460
461
462/*******************************************************************************
463 *
464 * FUNCTION: AcpiNsExecuteControlMethod
465 *
466 * PARAMETERS: MethodNode - The object/method

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486{
487 ACPI_STATUS Status;
488 ACPI_OPERAND_OBJECT *ObjDesc;
489
490
491 FUNCTION_TRACE ("NsExecuteControlMethod");
492
493
494 /*
495 * Unlock the namespace before execution. This allows namespace access
496 * via the external Acpi* interfaces while a method is being executed.
497 * However, any namespace deletion must acquire both the namespace and
498 * interpreter locks to ensure that no thread is using the portion of the
499 * namespace that is being deleted.
500 */
501
502 AcpiCmReleaseMutex (ACPI_MTX_NAMESPACE);
503
500 /* Verify that there is a method associated with this object */
501
502 ObjDesc = AcpiNsGetAttachedObject ((ACPI_HANDLE) MethodNode);
503 if (!ObjDesc)
504 {
505 DEBUG_PRINT (ACPI_ERROR,
506 ("Control method is undefined (nil value)\n"));
507 return_ACPI_STATUS (AE_ERROR);

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513 ObjDesc->Method.PcodeLength - 1));
514
515 DUMP_PATHNAME (MethodNode, "NsExecuteControlMethod: Executing",
516 TRACE_NAMES, _COMPONENT);
517
518 DEBUG_PRINT (TRACE_NAMES,
519 ("At offset %8XH\n", ObjDesc->Method.Pcode + 1));
520
504 /* Verify that there is a method associated with this object */
505
506 ObjDesc = AcpiNsGetAttachedObject ((ACPI_HANDLE) MethodNode);
507 if (!ObjDesc)
508 {
509 DEBUG_PRINT (ACPI_ERROR,
510 ("Control method is undefined (nil value)\n"));
511 return_ACPI_STATUS (AE_ERROR);

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517 ObjDesc->Method.PcodeLength - 1));
518
519 DUMP_PATHNAME (MethodNode, "NsExecuteControlMethod: Executing",
520 TRACE_NAMES, _COMPONENT);
521
522 DEBUG_PRINT (TRACE_NAMES,
523 ("At offset %8XH\n", ObjDesc->Method.Pcode + 1));
524
521
522 /*
525 /*
523 * Unlock the namespace before execution. This allows namespace access
524 * via the external Acpi* interfaces while a method is being executed.
525 * However, any namespace deletion must acquire both the namespace and
526 * interpreter locks to ensure that no thread is using the portion of the
527 * namespace that is being deleted.
526 * Execute the method via the interpreter
528 */
527 */
529
530 AcpiCmReleaseMutex (ACPI_MTX_NAMESPACE);
531
532 /*
533 * Excecute the method via the interpreter
534 */
535 Status = AcpiAmlExecuteMethod (MethodNode, Params, ReturnObjDesc);
536
537 return_ACPI_STATUS (Status);
538}
539
540
541/*******************************************************************************
542 *

--- 128 unchanged lines hidden --- 		528 Status = AcpiAmlExecuteMethod (MethodNode, Params, ReturnObjDesc);
529
530 return_ACPI_STATUS (Status);
531}
532
533
534/*******************************************************************************
535 *

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