+++ /dev/null
-/******************************************************************************
- *
- * Module Name: utobject - ACPI object create/delete/size/cache routines
- *
- *****************************************************************************/
-
-/******************************************************************************
- *
- * 1. Copyright Notice
- *
- * Some or all of this work - Copyright (c) 1999 - 2009, Intel Corp.
- * All rights reserved.
- *
- * 2. License
- *
- * 2.1. This is your license from Intel Corp. under its intellectual property
- * rights. You may have additional license terms from the party that provided
- * you this software, covering your right to use that party's intellectual
- * property rights.
- *
- * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
- * copy of the source code appearing in this file ("Covered Code") an
- * irrevocable, perpetual, worldwide license under Intel's copyrights in the
- * base code distributed originally by Intel ("Original Intel Code") to copy,
- * make derivatives, distribute, use and display any portion of the Covered
- * Code in any form, with the right to sublicense such rights; and
- *
- * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
- * license (with the right to sublicense), under only those claims of Intel
- * patents that are infringed by the Original Intel Code, to make, use, sell,
- * offer to sell, and import the Covered Code and derivative works thereof
- * solely to the minimum extent necessary to exercise the above copyright
- * license, and in no event shall the patent license extend to any additions
- * to or modifications of the Original Intel Code. No other license or right
- * is granted directly or by implication, estoppel or otherwise;
- *
- * The above copyright and patent license is granted only if the following
- * conditions are met:
- *
- * 3. Conditions
- *
- * 3.1. Redistribution of Source with Rights to Further Distribute Source.
- * Redistribution of source code of any substantial portion of the Covered
- * Code or modification with rights to further distribute source must include
- * the above Copyright Notice, the above License, this list of Conditions,
- * and the following Disclaimer and Export Compliance provision. In addition,
- * Licensee must cause all Covered Code to which Licensee contributes to
- * contain a file documenting the changes Licensee made to create that Covered
- * Code and the date of any change. Licensee must include in that file the
- * documentation of any changes made by any predecessor Licensee. Licensee
- * must include a prominent statement that the modification is derived,
- * directly or indirectly, from Original Intel Code.
- *
- * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
- * Redistribution of source code of any substantial portion of the Covered
- * Code or modification without rights to further distribute source must
- * include the following Disclaimer and Export Compliance provision in the
- * documentation and/or other materials provided with distribution. In
- * addition, Licensee may not authorize further sublicense of source of any
- * portion of the Covered Code, and must include terms to the effect that the
- * license from Licensee to its licensee is limited to the intellectual
- * property embodied in the software Licensee provides to its licensee, and
- * not to intellectual property embodied in modifications its licensee may
- * make.
- *
- * 3.3. Redistribution of Executable. Redistribution in executable form of any
- * substantial portion of the Covered Code or modification must reproduce the
- * above Copyright Notice, and the following Disclaimer and Export Compliance
- * provision in the documentation and/or other materials provided with the
- * distribution.
- *
- * 3.4. Intel retains all right, title, and interest in and to the Original
- * Intel Code.
- *
- * 3.5. Neither the name Intel nor any other trademark owned or controlled by
- * Intel shall be used in advertising or otherwise to promote the sale, use or
- * other dealings in products derived from or relating to the Covered Code
- * without prior written authorization from Intel.
- *
- * 4. Disclaimer and Export Compliance
- *
- * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
- * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
- * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
- * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
- * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
- * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
- * PARTICULAR PURPOSE.
- *
- * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
- * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
- * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
- * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
- * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
- * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
- * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
- * LIMITED REMEDY.
- *
- * 4.3. Licensee shall not export, either directly or indirectly, any of this
- * software or system incorporating such software without first obtaining any
- * required license or other approval from the U. S. Department of Commerce or
- * any other agency or department of the United States Government. In the
- * event Licensee exports any such software from the United States or
- * re-exports any such software from a foreign destination, Licensee shall
- * ensure that the distribution and export/re-export of the software is in
- * compliance with all laws, regulations, orders, or other restrictions of the
- * U.S. Export Administration Regulations. Licensee agrees that neither it nor
- * any of its subsidiaries will export/re-export any technical data, process,
- * software, or service, directly or indirectly, to any country for which the
- * United States government or any agency thereof requires an export license,
- * other governmental approval, or letter of assurance, without first obtaining
- * such license, approval or letter.
- *
- *****************************************************************************/
-
-#define __UTOBJECT_C__
-
-#include "acpi.h"
-#include "accommon.h"
-#include "acnamesp.h"
-
-
-#define _COMPONENT ACPI_UTILITIES
- ACPI_MODULE_NAME ("utobject")
-
-/* Local prototypes */
-
-static ACPI_STATUS
-AcpiUtGetSimpleObjectSize (
- ACPI_OPERAND_OBJECT *Obj,
- ACPI_SIZE *ObjLength);
-
-static ACPI_STATUS
-AcpiUtGetPackageObjectSize (
- ACPI_OPERAND_OBJECT *Obj,
- ACPI_SIZE *ObjLength);
-
-static ACPI_STATUS
-AcpiUtGetElementLength (
- UINT8 ObjectType,
- ACPI_OPERAND_OBJECT *SourceObject,
- ACPI_GENERIC_STATE *State,
- void *Context);
-
-
-/*******************************************************************************
- *
- * FUNCTION: AcpiUtCreateInternalObjectDbg
- *
- * PARAMETERS: ModuleName - Source file name of caller
- * LineNumber - Line number of caller
- * ComponentId - Component type of caller
- * Type - ACPI Type of the new object
- *
- * RETURN: A new internal object, null on failure
- *
- * DESCRIPTION: Create and initialize a new internal object.
- *
- * NOTE: We always allocate the worst-case object descriptor because
- * these objects are cached, and we want them to be
- * one-size-satisifies-any-request. This in itself may not be
- * the most memory efficient, but the efficiency of the object
- * cache should more than make up for this!
- *
- ******************************************************************************/
-
-ACPI_OPERAND_OBJECT *
-AcpiUtCreateInternalObjectDbg (
- const char *ModuleName,
- UINT32 LineNumber,
- UINT32 ComponentId,
- ACPI_OBJECT_TYPE Type)
-{
- ACPI_OPERAND_OBJECT *Object;
- ACPI_OPERAND_OBJECT *SecondObject;
-
-
- ACPI_FUNCTION_TRACE_STR (UtCreateInternalObjectDbg,
- AcpiUtGetTypeName (Type));
-
-
- /* Allocate the raw object descriptor */
-
- Object = AcpiUtAllocateObjectDescDbg (ModuleName, LineNumber, ComponentId);
- if (!Object)
- {
- return_PTR (NULL);
- }
-
- switch (Type)
- {
- case ACPI_TYPE_REGION:
- case ACPI_TYPE_BUFFER_FIELD:
- case ACPI_TYPE_LOCAL_BANK_FIELD:
-
- /* These types require a secondary object */
-
- SecondObject = AcpiUtAllocateObjectDescDbg (ModuleName,
- LineNumber, ComponentId);
- if (!SecondObject)
- {
- AcpiUtDeleteObjectDesc (Object);
- return_PTR (NULL);
- }
-
- SecondObject->Common.Type = ACPI_TYPE_LOCAL_EXTRA;
- SecondObject->Common.ReferenceCount = 1;
-
- /* Link the second object to the first */
-
- Object->Common.NextObject = SecondObject;
- break;
-
- default:
- /* All others have no secondary object */
- break;
- }
-
- /* Save the object type in the object descriptor */
-
- Object->Common.Type = (UINT8) Type;
-
- /* Init the reference count */
-
- Object->Common.ReferenceCount = 1;
-
- /* Any per-type initialization should go here */
-
- return_PTR (Object);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: AcpiUtCreatePackageObject
- *
- * PARAMETERS: Count - Number of package elements
- *
- * RETURN: Pointer to a new Package object, null on failure
- *
- * DESCRIPTION: Create a fully initialized package object
- *
- ******************************************************************************/
-
-ACPI_OPERAND_OBJECT *
-AcpiUtCreatePackageObject (
- UINT32 Count)
-{
- ACPI_OPERAND_OBJECT *PackageDesc;
- ACPI_OPERAND_OBJECT **PackageElements;
-
-
- ACPI_FUNCTION_TRACE_U32 (UtCreatePackageObject, Count);
-
-
- /* Create a new Package object */
-
- PackageDesc = AcpiUtCreateInternalObject (ACPI_TYPE_PACKAGE);
- if (!PackageDesc)
- {
- return_PTR (NULL);
- }
-
- /*
- * Create the element array. Count+1 allows the array to be null
- * terminated.
- */
- PackageElements = ACPI_ALLOCATE_ZEROED (
- ((ACPI_SIZE) Count + 1) * sizeof (void *));
- if (!PackageElements)
- {
- ACPI_FREE (PackageDesc);
- return_PTR (NULL);
- }
-
- PackageDesc->Package.Count = Count;
- PackageDesc->Package.Elements = PackageElements;
- return_PTR (PackageDesc);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: AcpiUtCreateIntegerObject
- *
- * PARAMETERS: InitialValue - Initial value for the integer
- *
- * RETURN: Pointer to a new Integer object, null on failure
- *
- * DESCRIPTION: Create an initialized integer object
- *
- ******************************************************************************/
-
-ACPI_OPERAND_OBJECT *
-AcpiUtCreateIntegerObject (
- UINT64 InitialValue)
-{
- ACPI_OPERAND_OBJECT *IntegerDesc;
-
-
- ACPI_FUNCTION_TRACE (UtCreateIntegerObject);
-
-
- /* Create and initialize a new integer object */
-
- IntegerDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
- if (!IntegerDesc)
- {
- return_PTR (NULL);
- }
-
- IntegerDesc->Integer.Value = InitialValue;
- return_PTR (IntegerDesc);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: AcpiUtCreateBufferObject
- *
- * PARAMETERS: BufferSize - Size of buffer to be created
- *
- * RETURN: Pointer to a new Buffer object, null on failure
- *
- * DESCRIPTION: Create a fully initialized buffer object
- *
- ******************************************************************************/
-
-ACPI_OPERAND_OBJECT *
-AcpiUtCreateBufferObject (
- ACPI_SIZE BufferSize)
-{
- ACPI_OPERAND_OBJECT *BufferDesc;
- UINT8 *Buffer = NULL;
-
-
- ACPI_FUNCTION_TRACE_U32 (UtCreateBufferObject, BufferSize);
-
-
- /* Create a new Buffer object */
-
- BufferDesc = AcpiUtCreateInternalObject (ACPI_TYPE_BUFFER);
- if (!BufferDesc)
- {
- return_PTR (NULL);
- }
-
- /* Create an actual buffer only if size > 0 */
-
- if (BufferSize > 0)
- {
- /* Allocate the actual buffer */
-
- Buffer = ACPI_ALLOCATE_ZEROED (BufferSize);
- if (!Buffer)
- {
- ACPI_ERROR ((AE_INFO, "Could not allocate size %X",
- (UINT32) BufferSize));
- AcpiUtRemoveReference (BufferDesc);
- return_PTR (NULL);
- }
- }
-
- /* Complete buffer object initialization */
-
- BufferDesc->Buffer.Flags |= AOPOBJ_DATA_VALID;
- BufferDesc->Buffer.Pointer = Buffer;
- BufferDesc->Buffer.Length = (UINT32) BufferSize;
-
- /* Return the new buffer descriptor */
-
- return_PTR (BufferDesc);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: AcpiUtCreateStringObject
- *
- * PARAMETERS: StringSize - Size of string to be created. Does not
- * include NULL terminator, this is added
- * automatically.
- *
- * RETURN: Pointer to a new String object
- *
- * DESCRIPTION: Create a fully initialized string object
- *
- ******************************************************************************/
-
-ACPI_OPERAND_OBJECT *
-AcpiUtCreateStringObject (
- ACPI_SIZE StringSize)
-{
- ACPI_OPERAND_OBJECT *StringDesc;
- char *String;
-
-
- ACPI_FUNCTION_TRACE_U32 (UtCreateStringObject, StringSize);
-
-
- /* Create a new String object */
-
- StringDesc = AcpiUtCreateInternalObject (ACPI_TYPE_STRING);
- if (!StringDesc)
- {
- return_PTR (NULL);
- }
-
- /*
- * Allocate the actual string buffer -- (Size + 1) for NULL terminator.
- * NOTE: Zero-length strings are NULL terminated
- */
- String = ACPI_ALLOCATE_ZEROED (StringSize + 1);
- if (!String)
- {
- ACPI_ERROR ((AE_INFO, "Could not allocate size %X",
- (UINT32) StringSize));
- AcpiUtRemoveReference (StringDesc);
- return_PTR (NULL);
- }
-
- /* Complete string object initialization */
-
- StringDesc->String.Pointer = String;
- StringDesc->String.Length = (UINT32) StringSize;
-
- /* Return the new string descriptor */
-
- return_PTR (StringDesc);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: AcpiUtValidInternalObject
- *
- * PARAMETERS: Object - Object to be validated
- *
- * RETURN: TRUE if object is valid, FALSE otherwise
- *
- * DESCRIPTION: Validate a pointer to be an ACPI_OPERAND_OBJECT
- *
- ******************************************************************************/
-
-BOOLEAN
-AcpiUtValidInternalObject (
- void *Object)
-{
-
- ACPI_FUNCTION_NAME (UtValidInternalObject);
-
-
- /* Check for a null pointer */
-
- if (!Object)
- {
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "**** Null Object Ptr\n"));
- return (FALSE);
- }
-
- /* Check the descriptor type field */
-
- switch (ACPI_GET_DESCRIPTOR_TYPE (Object))
- {
- case ACPI_DESC_TYPE_OPERAND:
-
- /* The object appears to be a valid ACPI_OPERAND_OBJECT */
-
- return (TRUE);
-
- default:
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
- "%p is not not an ACPI operand obj [%s]\n",
- Object, AcpiUtGetDescriptorName (Object)));
- break;
- }
-
- return (FALSE);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: AcpiUtAllocateObjectDescDbg
- *
- * PARAMETERS: ModuleName - Caller's module name (for error output)
- * LineNumber - Caller's line number (for error output)
- * ComponentId - Caller's component ID (for error output)
- *
- * RETURN: Pointer to newly allocated object descriptor. Null on error
- *
- * DESCRIPTION: Allocate a new object descriptor. Gracefully handle
- * error conditions.
- *
- ******************************************************************************/
-
-void *
-AcpiUtAllocateObjectDescDbg (
- const char *ModuleName,
- UINT32 LineNumber,
- UINT32 ComponentId)
-{
- ACPI_OPERAND_OBJECT *Object;
-
-
- ACPI_FUNCTION_TRACE (UtAllocateObjectDescDbg);
-
-
- Object = AcpiOsAcquireObject (AcpiGbl_OperandCache);
- if (!Object)
- {
- ACPI_ERROR ((ModuleName, LineNumber,
- "Could not allocate an object descriptor"));
-
- return_PTR (NULL);
- }
-
- /* Mark the descriptor type */
-
- ACPI_SET_DESCRIPTOR_TYPE (Object, ACPI_DESC_TYPE_OPERAND);
-
- ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "%p Size %X\n",
- Object, (UINT32) sizeof (ACPI_OPERAND_OBJECT)));
-
- return_PTR (Object);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: AcpiUtDeleteObjectDesc
- *
- * PARAMETERS: Object - An Acpi internal object to be deleted
- *
- * RETURN: None.
- *
- * DESCRIPTION: Free an ACPI object descriptor or add it to the object cache
- *
- ******************************************************************************/
-
-void
-AcpiUtDeleteObjectDesc (
- ACPI_OPERAND_OBJECT *Object)
-{
- ACPI_FUNCTION_TRACE_PTR (UtDeleteObjectDesc, Object);
-
-
- /* Object must be an ACPI_OPERAND_OBJECT */
-
- if (ACPI_GET_DESCRIPTOR_TYPE (Object) != ACPI_DESC_TYPE_OPERAND)
- {
- ACPI_ERROR ((AE_INFO,
- "%p is not an ACPI Operand object [%s]", Object,
- AcpiUtGetDescriptorName (Object)));
- return_VOID;
- }
-
- (void) AcpiOsReleaseObject (AcpiGbl_OperandCache, Object);
- return_VOID;
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: AcpiUtGetSimpleObjectSize
- *
- * PARAMETERS: InternalObject - An ACPI operand object
- * ObjLength - Where the length is returned
- *
- * RETURN: Status
- *
- * DESCRIPTION: This function is called to determine the space required to
- * contain a simple object for return to an external user.
- *
- * The length includes the object structure plus any additional
- * needed space.
- *
- ******************************************************************************/
-
-static ACPI_STATUS
-AcpiUtGetSimpleObjectSize (
- ACPI_OPERAND_OBJECT *InternalObject,
- ACPI_SIZE *ObjLength)
-{
- ACPI_SIZE Length;
- ACPI_SIZE Size;
- ACPI_STATUS Status = AE_OK;
-
-
- ACPI_FUNCTION_TRACE_PTR (UtGetSimpleObjectSize, InternalObject);
-
-
- /* Start with the length of the (external) Acpi object */
-
- Length = sizeof (ACPI_OBJECT);
-
- /* A NULL object is allowed, can be a legal uninitialized package element */
-
- if (!InternalObject)
- {
- /*
- * Object is NULL, just return the length of ACPI_OBJECT
- * (A NULL ACPI_OBJECT is an object of all zeroes.)
- */
- *ObjLength = ACPI_ROUND_UP_TO_NATIVE_WORD (Length);
- return_ACPI_STATUS (AE_OK);
- }
-
- /* A Namespace Node should never appear here */
-
- if (ACPI_GET_DESCRIPTOR_TYPE (InternalObject) == ACPI_DESC_TYPE_NAMED)
- {
- /* A namespace node should never get here */
-
- return_ACPI_STATUS (AE_AML_INTERNAL);
- }
-
- /*
- * The final length depends on the object type
- * Strings and Buffers are packed right up against the parent object and
- * must be accessed bytewise or there may be alignment problems on
- * certain processors
- */
- switch (InternalObject->Common.Type)
- {
- case ACPI_TYPE_STRING:
-
- Length += (ACPI_SIZE) InternalObject->String.Length + 1;
- break;
-
-
- case ACPI_TYPE_BUFFER:
-
- Length += (ACPI_SIZE) InternalObject->Buffer.Length;
- break;
-
-
- case ACPI_TYPE_INTEGER:
- case ACPI_TYPE_PROCESSOR:
- case ACPI_TYPE_POWER:
-
- /* No extra data for these types */
-
- break;
-
-
- case ACPI_TYPE_LOCAL_REFERENCE:
-
- switch (InternalObject->Reference.Class)
- {
- case ACPI_REFCLASS_NAME:
-
- /*
- * Get the actual length of the full pathname to this object.
- * The reference will be converted to the pathname to the object
- */
- Size = AcpiNsGetPathnameLength (InternalObject->Reference.Node);
- if (!Size)
- {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
- }
-
- Length += ACPI_ROUND_UP_TO_NATIVE_WORD (Size);
- break;
-
- default:
-
- /*
- * No other reference opcodes are supported.
- * Notably, Locals and Args are not supported, but this may be
- * required eventually.
- */
- ACPI_ERROR ((AE_INFO, "Cannot convert to external object - "
- "unsupported Reference Class [%s] %X in object %p",
- AcpiUtGetReferenceName (InternalObject),
- InternalObject->Reference.Class, InternalObject));
- Status = AE_TYPE;
- break;
- }
- break;
-
-
- default:
-
- ACPI_ERROR ((AE_INFO, "Cannot convert to external object - "
- "unsupported type [%s] %X in object %p",
- AcpiUtGetObjectTypeName (InternalObject),
- InternalObject->Common.Type, InternalObject));
- Status = AE_TYPE;
- break;
- }
-
- /*
- * Account for the space required by the object rounded up to the next
- * multiple of the machine word size. This keeps each object aligned
- * on a machine word boundary. (preventing alignment faults on some
- * machines.)
- */
- *ObjLength = ACPI_ROUND_UP_TO_NATIVE_WORD (Length);
- return_ACPI_STATUS (Status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: AcpiUtGetElementLength
- *
- * PARAMETERS: ACPI_PKG_CALLBACK
- *
- * RETURN: Status
- *
- * DESCRIPTION: Get the length of one package element.
- *
- ******************************************************************************/
-
-static ACPI_STATUS
-AcpiUtGetElementLength (
- UINT8 ObjectType,
- ACPI_OPERAND_OBJECT *SourceObject,
- ACPI_GENERIC_STATE *State,
- void *Context)
-{
- ACPI_STATUS Status = AE_OK;
- ACPI_PKG_INFO *Info = (ACPI_PKG_INFO *) Context;
- ACPI_SIZE ObjectSpace;
-
-
- switch (ObjectType)
- {
- case ACPI_COPY_TYPE_SIMPLE:
-
- /*
- * Simple object - just get the size (Null object/entry is handled
- * here also) and sum it into the running package length
- */
- Status = AcpiUtGetSimpleObjectSize (SourceObject, &ObjectSpace);
- if (ACPI_FAILURE (Status))
- {
- return (Status);
- }
-
- Info->Length += ObjectSpace;
- break;
-
-
- case ACPI_COPY_TYPE_PACKAGE:
-
- /* Package object - nothing much to do here, let the walk handle it */
-
- Info->NumPackages++;
- State->Pkg.ThisTargetObj = NULL;
- break;
-
-
- default:
-
- /* No other types allowed */
-
- return (AE_BAD_PARAMETER);
- }
-
- return (Status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: AcpiUtGetPackageObjectSize
- *
- * PARAMETERS: InternalObject - An ACPI internal object
- * ObjLength - Where the length is returned
- *
- * RETURN: Status
- *
- * DESCRIPTION: This function is called to determine the space required to
- * contain a package object for return to an external user.
- *
- * This is moderately complex since a package contains other
- * objects including packages.
- *
- ******************************************************************************/
-
-static ACPI_STATUS
-AcpiUtGetPackageObjectSize (
- ACPI_OPERAND_OBJECT *InternalObject,
- ACPI_SIZE *ObjLength)
-{
- ACPI_STATUS Status;
- ACPI_PKG_INFO Info;
-
-
- ACPI_FUNCTION_TRACE_PTR (UtGetPackageObjectSize, InternalObject);
-
-
- Info.Length = 0;
- Info.ObjectSpace = 0;
- Info.NumPackages = 1;
-
- Status = AcpiUtWalkPackageTree (InternalObject, NULL,
- AcpiUtGetElementLength, &Info);
- if (ACPI_FAILURE (Status))
- {
- return_ACPI_STATUS (Status);
- }
-
- /*
- * We have handled all of the objects in all levels of the package.
- * just add the length of the package objects themselves.
- * Round up to the next machine word.
- */
- Info.Length += ACPI_ROUND_UP_TO_NATIVE_WORD (sizeof (ACPI_OBJECT)) *
- (ACPI_SIZE) Info.NumPackages;
-
- /* Return the total package length */
-
- *ObjLength = Info.Length;
- return_ACPI_STATUS (Status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: AcpiUtGetObjectSize
- *
- * PARAMETERS: InternalObject - An ACPI internal object
- * ObjLength - Where the length will be returned
- *
- * RETURN: Status
- *
- * DESCRIPTION: This function is called to determine the space required to
- * contain an object for return to an API user.
- *
- ******************************************************************************/
-
-ACPI_STATUS
-AcpiUtGetObjectSize (
- ACPI_OPERAND_OBJECT *InternalObject,
- ACPI_SIZE *ObjLength)
-{
- ACPI_STATUS Status;
-
-
- ACPI_FUNCTION_ENTRY ();
-
-
- if ((ACPI_GET_DESCRIPTOR_TYPE (InternalObject) == ACPI_DESC_TYPE_OPERAND) &&
- (InternalObject->Common.Type == ACPI_TYPE_PACKAGE))
- {
- Status = AcpiUtGetPackageObjectSize (InternalObject, ObjLength);
- }
- else
- {
- Status = AcpiUtGetSimpleObjectSize (InternalObject, ObjLength);
- }
-
- return (Status);
-}
-
-
projects / l4.git / blobdiff