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exconfig.c (126372) exconfig.c (129684)
1/******************************************************************************
2 *
3 * Module Name: exconfig - Namespace reconfiguration (Load/Unload opcodes)
1/******************************************************************************
2 *
3 * Module Name: exconfig - Namespace reconfiguration (Load/Unload opcodes)
4 * $Revision: 75 $
4 * $Revision: 77 $
5 *
6 *****************************************************************************/
7
8/******************************************************************************
9 *
10 * 1. Copyright Notice
11 *
12 * Some or all of this work - Copyright (c) 1999 - 2004, Intel Corp.

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118#define __EXCONFIG_C__
119
120#include "acpi.h"
121#include "acinterp.h"
122#include "amlcode.h"
123#include "acnamesp.h"
124#include "acevents.h"
125#include "actables.h"
5 *
6 *****************************************************************************/
7
8/******************************************************************************
9 *
10 * 1. Copyright Notice
11 *
12 * Some or all of this work - Copyright (c) 1999 - 2004, Intel Corp.

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118#define __EXCONFIG_C__
119
120#include "acpi.h"
121#include "acinterp.h"
122#include "amlcode.h"
123#include "acnamesp.h"
124#include "acevents.h"
125#include "actables.h"
126#include "acdispat.h"
126
127
128#define _COMPONENT ACPI_EXECUTER
129 ACPI_MODULE_NAME ("exconfig")
130
131
132/*******************************************************************************
133 *

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370 ACPI_OPERAND_OBJECT *ObjDesc,
371 ACPI_OPERAND_OBJECT *Target,
372 ACPI_WALK_STATE *WalkState)
373{
374 ACPI_STATUS Status;
375 ACPI_OPERAND_OBJECT *DdbHandle;
376 ACPI_OPERAND_OBJECT *BufferDesc = NULL;
377 ACPI_TABLE_HEADER *TablePtr = NULL;
127
128
129#define _COMPONENT ACPI_EXECUTER
130 ACPI_MODULE_NAME ("exconfig")
131
132
133/*******************************************************************************
134 *

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371 ACPI_OPERAND_OBJECT *ObjDesc,
372 ACPI_OPERAND_OBJECT *Target,
373 ACPI_WALK_STATE *WalkState)
374{
375 ACPI_STATUS Status;
376 ACPI_OPERAND_OBJECT *DdbHandle;
377 ACPI_OPERAND_OBJECT *BufferDesc = NULL;
378 ACPI_TABLE_HEADER *TablePtr = NULL;
378 UINT8 *TableDataPtr;
379 ACPI_PHYSICAL_ADDRESS Address;
379 ACPI_TABLE_HEADER TableHeader;
380 UINT32 i;
381
382 ACPI_FUNCTION_TRACE ("ExLoadOp");
383
384
385 /* Object can be either an OpRegion or a Field */
386
387 switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
388 {
389 case ACPI_TYPE_REGION:
390
391 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Load from Region %p %s\n",
392 ObjDesc, AcpiUtGetObjectTypeName (ObjDesc)));
393
380 ACPI_TABLE_HEADER TableHeader;
381 UINT32 i;
382
383 ACPI_FUNCTION_TRACE ("ExLoadOp");
384
385
386 /* Object can be either an OpRegion or a Field */
387
388 switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
389 {
390 case ACPI_TYPE_REGION:
391
392 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Load from Region %p %s\n",
393 ObjDesc, AcpiUtGetObjectTypeName (ObjDesc)));
394
394 /* Get the table header */
395 /*
396 * If the Region Address and Length have not been previously evaluated,
397 * evaluate them now and save the results.
398 */
399 if (!(ObjDesc->Common.Flags & AOPOBJ_DATA_VALID))
400 {
401 Status = AcpiDsGetRegionArguments (ObjDesc);
402 if (ACPI_FAILURE (Status))
403 {
404 return_ACPI_STATUS (Status);
405 }
406 }
395
407
408 /* Get the base physical address of the region */
409
410 Address = ObjDesc->Region.Address;
411
412 /* Get the table length from the table header */
413
396 TableHeader.Length = 0;
414 TableHeader.Length = 0;
397 for (i = 0; i < sizeof (ACPI_TABLE_HEADER); i++)
415 for (i = 0; i < 8; i++)
398 {
399 Status = AcpiEvAddressSpaceDispatch (ObjDesc, ACPI_READ,
416 {
417 Status = AcpiEvAddressSpaceDispatch (ObjDesc, ACPI_READ,
400 (ACPI_PHYSICAL_ADDRESS) i, 8,
418 (ACPI_PHYSICAL_ADDRESS) i + Address, 8,
401 ((UINT8 *) &TableHeader) + i);
402 if (ACPI_FAILURE (Status))
403 {
404 return_ACPI_STATUS (Status);
405 }
406 }
407
419 ((UINT8 *) &TableHeader) + i);
420 if (ACPI_FAILURE (Status))
421 {
422 return_ACPI_STATUS (Status);
423 }
424 }
425
426 /* Sanity check the table length */
427
428 if (TableHeader.Length < sizeof (ACPI_TABLE_HEADER))
429 {
430 return_ACPI_STATUS (AE_BAD_HEADER);
431 }
432
408 /* Allocate a buffer for the entire table */
409
410 TablePtr = ACPI_MEM_ALLOCATE (TableHeader.Length);
411 if (!TablePtr)
412 {
413 return_ACPI_STATUS (AE_NO_MEMORY);
414 }
415
433 /* Allocate a buffer for the entire table */
434
435 TablePtr = ACPI_MEM_ALLOCATE (TableHeader.Length);
436 if (!TablePtr)
437 {
438 return_ACPI_STATUS (AE_NO_MEMORY);
439 }
440
416 /* Copy the header to the buffer */
441 /* Get the entire table from the op region */
417
442
418 ACPI_MEMCPY (TablePtr, &TableHeader, sizeof (ACPI_TABLE_HEADER));
419 TableDataPtr = ACPI_PTR_ADD (UINT8, TablePtr, sizeof (ACPI_TABLE_HEADER));
420
421 /* Get the table from the op region */
422
423 for (i = 0; i < TableHeader.Length; i++)
424 {
425 Status = AcpiEvAddressSpaceDispatch (ObjDesc, ACPI_READ,
443 for (i = 0; i < TableHeader.Length; i++)
444 {
445 Status = AcpiEvAddressSpaceDispatch (ObjDesc, ACPI_READ,
426 (ACPI_PHYSICAL_ADDRESS) i, 8,
427 ((UINT8 *) TableDataPtr + i));
446 (ACPI_PHYSICAL_ADDRESS) i + Address, 8,
447 ((UINT8 *) TablePtr + i));
428 if (ACPI_FAILURE (Status))
429 {
430 goto Cleanup;
431 }
432 }
433 break;
434
435

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447 */
448 Status = AcpiExReadDataFromField (WalkState, ObjDesc, &BufferDesc);
449 if (ACPI_FAILURE (Status))
450 {
451 goto Cleanup;
452 }
453
454 TablePtr = ACPI_CAST_PTR (ACPI_TABLE_HEADER, BufferDesc->Buffer.Pointer);
448 if (ACPI_FAILURE (Status))
449 {
450 goto Cleanup;
451 }
452 }
453 break;
454
455

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467 */
468 Status = AcpiExReadDataFromField (WalkState, ObjDesc, &BufferDesc);
469 if (ACPI_FAILURE (Status))
470 {
471 goto Cleanup;
472 }
473
474 TablePtr = ACPI_CAST_PTR (ACPI_TABLE_HEADER, BufferDesc->Buffer.Pointer);
475
476 /* Sanity check the table length */
477
478 if (TablePtr->Length < sizeof (ACPI_TABLE_HEADER))
479 {
480 return_ACPI_STATUS (AE_BAD_HEADER);
481 }
455 break;
456
457
458 default:
459 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
460 }
461
462 /* The table must be either an SSDT or a PSDT */

--- 105 unchanged lines hidden --- 		482 break;
483
484
485 default:
486 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
487 }
488
489 /* The table must be either an SSDT or a PSDT */

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