837 lines
28 KiB
C
837 lines
28 KiB
C
/******************************************************************************
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*
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* Module Name: cmcopy - Internal to external object translation utilities
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* $Revision: 62 $
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*
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*****************************************************************************/
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/******************************************************************************
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*
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* 1. Copyright Notice
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*
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* Some or all of this work - Copyright (c) 1999, 2000, 2001, Intel Corp.
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* All rights reserved.
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*
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* 2. License
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*
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* 2.1. This is your license from Intel Corp. under its intellectual property
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* rights. You may have additional license terms from the party that provided
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* you this software, covering your right to use that party's intellectual
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* property rights.
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*
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* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
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* copy of the source code appearing in this file ("Covered Code") an
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* irrevocable, perpetual, worldwide license under Intel's copyrights in the
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* base code distributed originally by Intel ("Original Intel Code") to copy,
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* make derivatives, distribute, use and display any portion of the Covered
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* Code in any form, with the right to sublicense such rights; and
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*
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* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
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* license (with the right to sublicense), under only those claims of Intel
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* patents that are infringed by the Original Intel Code, to make, use, sell,
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* offer to sell, and import the Covered Code and derivative works thereof
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* solely to the minimum extent necessary to exercise the above copyright
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* license, and in no event shall the patent license extend to any additions
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* to or modifications of the Original Intel Code. No other license or right
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* is granted directly or by implication, estoppel or otherwise;
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*
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* The above copyright and patent license is granted only if the following
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* conditions are met:
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*
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* 3. Conditions
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*
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* 3.1. Redistribution of Source with Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification with rights to further distribute source must include
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* the above Copyright Notice, the above License, this list of Conditions,
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* and the following Disclaimer and Export Compliance provision. In addition,
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* Licensee must cause all Covered Code to which Licensee contributes to
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* contain a file documenting the changes Licensee made to create that Covered
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* Code and the date of any change. Licensee must include in that file the
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* documentation of any changes made by any predecessor Licensee. Licensee
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* must include a prominent statement that the modification is derived,
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* directly or indirectly, from Original Intel Code.
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*
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* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification without rights to further distribute source must
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* include the following Disclaimer and Export Compliance provision in the
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* documentation and/or other materials provided with distribution. In
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* addition, Licensee may not authorize further sublicense of source of any
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* portion of the Covered Code, and must include terms to the effect that the
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* license from Licensee to its licensee is limited to the intellectual
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* property embodied in the software Licensee provides to its licensee, and
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* not to intellectual property embodied in modifications its licensee may
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* make.
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*
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* 3.3. Redistribution of Executable. Redistribution in executable form of any
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* substantial portion of the Covered Code or modification must reproduce the
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* above Copyright Notice, and the following Disclaimer and Export Compliance
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* provision in the documentation and/or other materials provided with the
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* distribution.
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*
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* 3.4. Intel retains all right, title, and interest in and to the Original
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* Intel Code.
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*
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* 3.5. Neither the name Intel nor any other trademark owned or controlled by
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* Intel shall be used in advertising or otherwise to promote the sale, use or
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* other dealings in products derived from or relating to the Covered Code
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* without prior written authorization from Intel.
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*
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* 4. Disclaimer and Export Compliance
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*
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* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
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* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
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* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
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* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
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* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
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* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
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* PARTICULAR PURPOSE.
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*
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* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
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* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
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* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
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* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
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* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
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* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
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* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
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* LIMITED REMEDY.
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*
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* 4.3. Licensee shall not export, either directly or indirectly, any of this
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* software or system incorporating such software without first obtaining any
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* required license or other approval from the U. S. Department of Commerce or
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* any other agency or department of the United States Government. In the
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* event Licensee exports any such software from the United States or
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* re-exports any such software from a foreign destination, Licensee shall
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* ensure that the distribution and export/re-export of the software is in
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* compliance with all laws, regulations, orders, or other restrictions of the
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* U.S. Export Administration Regulations. Licensee agrees that neither it nor
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* any of its subsidiaries will export/re-export any technical data, process,
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* software, or service, directly or indirectly, to any country for which the
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* United States government or any agency thereof requires an export license,
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* other governmental approval, or letter of assurance, without first obtaining
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* such license, approval or letter.
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*
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*****************************************************************************/
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#define __CMCOPY_C__
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#include "acpi.h"
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#include "acinterp.h"
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#include "acnamesp.h"
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#define _COMPONENT MISCELLANEOUS
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MODULE_NAME ("cmcopy")
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typedef struct Search_st
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{
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ACPI_OPERAND_OBJECT *InternalObj;
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UINT32 Index;
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ACPI_OBJECT *ExternalObj;
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} PKG_SEARCH_INFO;
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/* Used to traverse nested packages */
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PKG_SEARCH_INFO Level[MAX_PACKAGE_DEPTH];
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/******************************************************************************
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*
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* FUNCTION: AcpiCmBuildExternalSimpleObject
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*
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* PARAMETERS: *InternalObj - Pointer to the object we are examining
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* *Buffer - Where the object is returned
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* *SpaceUsed - Where the data length is returned
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*
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* RETURN: Status - the status of the call
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*
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* DESCRIPTION: This function is called to place a simple object in a user
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* buffer.
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*
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* The buffer is assumed to have sufficient space for the object.
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*
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******************************************************************************/
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static ACPI_STATUS
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AcpiCmBuildExternalSimpleObject (
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ACPI_OPERAND_OBJECT *InternalObj,
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ACPI_OBJECT *ExternalObj,
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UINT8 *DataSpace,
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UINT32 *BufferSpaceUsed)
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{
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UINT32 Length = 0;
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UINT8 *SourcePtr = NULL;
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FUNCTION_TRACE ("CmBuildExternalSimpleObject");
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/*
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* Check for NULL object case (could be an uninitialized
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* package element
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*/
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if (!InternalObj)
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{
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*BufferSpaceUsed = 0;
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return_ACPI_STATUS (AE_OK);
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}
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/* Always clear the external object */
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MEMSET (ExternalObj, 0, sizeof (ACPI_OBJECT));
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/*
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* In general, the external object will be the same type as
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* the internal object
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*/
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ExternalObj->Type = InternalObj->Common.Type;
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/* However, only a limited number of external types are supported */
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switch (ExternalObj->Type)
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{
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case ACPI_TYPE_STRING:
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Length = InternalObj->String.Length + 1;
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ExternalObj->String.Length = InternalObj->String.Length;
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ExternalObj->String.Pointer = (NATIVE_CHAR *) DataSpace;
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SourcePtr = (UINT8 *) InternalObj->String.Pointer;
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break;
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case ACPI_TYPE_BUFFER:
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Length = InternalObj->Buffer.Length;
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ExternalObj->Buffer.Length = InternalObj->Buffer.Length;
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ExternalObj->Buffer.Pointer = DataSpace;
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SourcePtr = (UINT8 *) InternalObj->Buffer.Pointer;
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break;
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case ACPI_TYPE_INTEGER:
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ExternalObj->Integer.Value= InternalObj->Integer.Value;
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break;
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case INTERNAL_TYPE_REFERENCE:
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/*
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* This is an object reference. We use the object type of "Any"
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* to indicate a reference object containing a handle to an ACPI
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* named object.
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*/
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ExternalObj->Type = ACPI_TYPE_ANY;
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ExternalObj->Reference.Handle = InternalObj->Reference.Node;
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break;
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case ACPI_TYPE_PROCESSOR:
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ExternalObj->Processor.ProcId =
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InternalObj->Processor.ProcId;
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ExternalObj->Processor.PblkAddress =
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InternalObj->Processor.Address;
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ExternalObj->Processor.PblkLength =
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InternalObj->Processor.Length;
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break;
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case ACPI_TYPE_POWER:
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ExternalObj->PowerResource.SystemLevel =
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InternalObj->PowerResource.SystemLevel;
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ExternalObj->PowerResource.ResourceOrder =
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InternalObj->PowerResource.ResourceOrder;
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break;
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default:
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return_ACPI_STATUS (AE_CTRL_RETURN_VALUE);
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break;
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}
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/* Copy data if necessary (strings or buffers) */
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if (Length)
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{
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/*
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* Copy the return data to the caller's buffer
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*/
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MEMCPY ((void *) DataSpace, (void *) SourcePtr, Length);
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}
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*BufferSpaceUsed = (UINT32) ROUND_UP_TO_NATIVE_WORD (Length);
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return_ACPI_STATUS (AE_OK);
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}
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/******************************************************************************
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*
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* FUNCTION: AcpiCmBuildExternalPackageObject
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*
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* PARAMETERS: *InternalObj - Pointer to the object we are returning
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* *Buffer - Where the object is returned
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* *SpaceUsed - Where the object length is returned
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*
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* RETURN: Status - the status of the call
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*
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* DESCRIPTION: This function is called to place a package object in a user
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* buffer. A package object by definition contains other objects.
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*
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* The buffer is assumed to have sufficient space for the object.
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* The caller must have verified the buffer length needed using the
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* AcpiCmGetObjectSize function before calling this function.
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*
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******************************************************************************/
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static ACPI_STATUS
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AcpiCmBuildExternalPackageObject (
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ACPI_OPERAND_OBJECT *InternalObj,
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UINT8 *Buffer,
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UINT32 *SpaceUsed)
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{
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UINT8 *FreeSpace;
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ACPI_OBJECT *ExternalObj;
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UINT32 CurrentDepth = 0;
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ACPI_STATUS Status;
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UINT32 Length = 0;
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UINT32 ThisIndex;
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UINT32 ObjectSpace;
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ACPI_OPERAND_OBJECT *ThisInternalObj;
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ACPI_OBJECT *ThisExternalObj;
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PKG_SEARCH_INFO *LevelPtr;
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FUNCTION_TRACE ("CmBuildExternalPackageObject");
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|
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/*
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* First package at head of the buffer
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*/
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ExternalObj = (ACPI_OBJECT *) Buffer;
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/*
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* Free space begins right after the first package
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*/
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FreeSpace = Buffer + ROUND_UP_TO_NATIVE_WORD (sizeof (ACPI_OBJECT));
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|
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/*
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* Initialize the working variables
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*/
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MEMSET ((void *) Level, 0, sizeof (Level));
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Level[0].InternalObj = InternalObj;
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Level[0].ExternalObj = ExternalObj;
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Level[0].Index = 0;
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LevelPtr = &Level[0];
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CurrentDepth = 0;
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ExternalObj->Type = InternalObj->Common.Type;
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ExternalObj->Package.Count = InternalObj->Package.Count;
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ExternalObj->Package.Elements = (ACPI_OBJECT *) FreeSpace;
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|
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/*
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* Build an array of ACPI_OBJECTS in the buffer
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* and move the free space past it
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*/
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FreeSpace += ExternalObj->Package.Count *
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ROUND_UP_TO_NATIVE_WORD (sizeof (ACPI_OBJECT));
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|
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while (1)
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{
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ThisIndex = LevelPtr->Index;
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ThisInternalObj =
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(ACPI_OPERAND_OBJECT *)
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LevelPtr->InternalObj->Package.Elements[ThisIndex];
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ThisExternalObj =
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(ACPI_OBJECT *)
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&LevelPtr->ExternalObj->Package.Elements[ThisIndex];
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|
|
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/*
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* Check for
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* 1) Null object -- OK, this can happen if package
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* element is never initialized
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* 2) Not an internal object - can be Node instead
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* 3) Any internal object other than a package.
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*
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* The more complex package case is handled later
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*/
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if ((!ThisInternalObj) ||
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(!VALID_DESCRIPTOR_TYPE (
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ThisInternalObj, ACPI_DESC_TYPE_INTERNAL)) ||
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(!IS_THIS_OBJECT_TYPE (
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ThisInternalObj, ACPI_TYPE_PACKAGE)))
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{
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/*
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* This is a simple or null object -- get the size
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*/
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Status =
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AcpiCmBuildExternalSimpleObject (ThisInternalObj,
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ThisExternalObj,
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FreeSpace,
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&ObjectSpace);
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if (ACPI_FAILURE (Status))
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{
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return_ACPI_STATUS (Status);
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}
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FreeSpace += ObjectSpace;
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Length += ObjectSpace;
|
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|
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LevelPtr->Index++;
|
|
while (LevelPtr->Index >=
|
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LevelPtr->InternalObj->Package.Count)
|
|
{
|
|
/*
|
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* We've handled all of the objects at this
|
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* level. This means that we have just
|
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* completed a package. That package may
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* have contained one or more packages
|
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* itself
|
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*/
|
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if (CurrentDepth == 0)
|
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{
|
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/*
|
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* We have handled all of the objects
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* in the top level package just add
|
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* the length of the package objects
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* and get out
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*/
|
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*SpaceUsed = Length;
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return_ACPI_STATUS (AE_OK);
|
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}
|
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|
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/*
|
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* go back up a level and move the index
|
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* past the just completed package object.
|
|
*/
|
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CurrentDepth--;
|
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LevelPtr = &Level[CurrentDepth];
|
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LevelPtr->Index++;
|
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}
|
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}
|
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|
|
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|
else
|
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{
|
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/*
|
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* This object is a package
|
|
* -- we must go one level deeper
|
|
*/
|
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if (CurrentDepth >= MAX_PACKAGE_DEPTH-1)
|
|
{
|
|
/*
|
|
* Too many nested levels of packages
|
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* for us to handle
|
|
*/
|
|
DEBUG_PRINT (ACPI_ERROR,
|
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("CmBuildPackageObject: Pkg nested too deep (max %X)\n",
|
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MAX_PACKAGE_DEPTH));
|
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return_ACPI_STATUS (AE_LIMIT);
|
|
}
|
|
|
|
/*
|
|
* Build the package object
|
|
*/
|
|
ThisExternalObj->Type = ACPI_TYPE_PACKAGE;
|
|
ThisExternalObj->Package.Count =
|
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ThisInternalObj->Package.Count;
|
|
ThisExternalObj->Package.Elements =
|
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(ACPI_OBJECT *) FreeSpace;
|
|
|
|
/*
|
|
* Save space for the array of objects (Package elements)
|
|
* update the buffer length counter
|
|
*/
|
|
ObjectSpace = (UINT32) ROUND_UP_TO_NATIVE_WORD (
|
|
ThisExternalObj->Package.Count *
|
|
sizeof (ACPI_OBJECT));
|
|
|
|
FreeSpace += ObjectSpace;
|
|
Length += ObjectSpace;
|
|
|
|
CurrentDepth++;
|
|
LevelPtr = &Level[CurrentDepth];
|
|
LevelPtr->InternalObj = ThisInternalObj;
|
|
LevelPtr->ExternalObj = ThisExternalObj;
|
|
LevelPtr->Index = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiCmBuildExternalObject
|
|
*
|
|
* PARAMETERS: *InternalObj - The internal object to be converted
|
|
* *BufferPtr - Where the object is returned
|
|
*
|
|
* RETURN: Status - the status of the call
|
|
*
|
|
* DESCRIPTION: This function is called to build an API object to be returned to
|
|
* the caller.
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiCmBuildExternalObject (
|
|
ACPI_OPERAND_OBJECT *InternalObj,
|
|
ACPI_BUFFER *RetBuffer)
|
|
{
|
|
ACPI_STATUS Status;
|
|
|
|
|
|
FUNCTION_TRACE ("CmBuildExternalObject");
|
|
|
|
|
|
if (IS_THIS_OBJECT_TYPE (InternalObj, ACPI_TYPE_PACKAGE))
|
|
{
|
|
/*
|
|
* Package objects contain other objects (which can be objects)
|
|
* buildpackage does it all
|
|
*/
|
|
Status =
|
|
AcpiCmBuildExternalPackageObject (InternalObj,
|
|
RetBuffer->Pointer,
|
|
&RetBuffer->Length);
|
|
}
|
|
|
|
else
|
|
{
|
|
/*
|
|
* Build a simple object (no nested objects)
|
|
*/
|
|
Status =
|
|
AcpiCmBuildExternalSimpleObject (InternalObj,
|
|
(ACPI_OBJECT *) RetBuffer->Pointer,
|
|
((UINT8 *) RetBuffer->Pointer +
|
|
ROUND_UP_TO_NATIVE_WORD (
|
|
sizeof (ACPI_OBJECT))),
|
|
&RetBuffer->Length);
|
|
/*
|
|
* build simple does not include the object size in the length
|
|
* so we add it in here
|
|
*/
|
|
RetBuffer->Length += sizeof (ACPI_OBJECT);
|
|
}
|
|
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiCmBuildInternalSimpleObject
|
|
*
|
|
* PARAMETERS: *ExternalObj - The external object to be converted
|
|
* *InternalObj - Where the internal object is returned
|
|
*
|
|
* RETURN: Status - the status of the call
|
|
*
|
|
* DESCRIPTION: This function copies an external object to an internal one.
|
|
* NOTE: Pointers can be copied, we don't need to copy data.
|
|
* (The pointers have to be valid in our address space no matter
|
|
* what we do with them!)
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiCmBuildInternalSimpleObject (
|
|
ACPI_OBJECT *ExternalObj,
|
|
ACPI_OPERAND_OBJECT *InternalObj)
|
|
{
|
|
|
|
FUNCTION_TRACE ("CmBuildInternalSimpleObject");
|
|
|
|
|
|
InternalObj->Common.Type = (UINT8) ExternalObj->Type;
|
|
|
|
switch (ExternalObj->Type)
|
|
{
|
|
|
|
case ACPI_TYPE_STRING:
|
|
|
|
InternalObj->String.Length = ExternalObj->String.Length;
|
|
InternalObj->String.Pointer = ExternalObj->String.Pointer;
|
|
break;
|
|
|
|
|
|
case ACPI_TYPE_BUFFER:
|
|
|
|
InternalObj->Buffer.Length = ExternalObj->Buffer.Length;
|
|
InternalObj->Buffer.Pointer = ExternalObj->Buffer.Pointer;
|
|
break;
|
|
|
|
|
|
case ACPI_TYPE_INTEGER:
|
|
/*
|
|
* Number is included in the object itself
|
|
*/
|
|
InternalObj->Integer.Value = ExternalObj->Integer.Value;
|
|
break;
|
|
|
|
|
|
default:
|
|
return_ACPI_STATUS (AE_CTRL_RETURN_VALUE);
|
|
break;
|
|
}
|
|
|
|
|
|
return_ACPI_STATUS (AE_OK);
|
|
}
|
|
|
|
|
|
#ifdef ACPI_FUTURE_IMPLEMENTATION
|
|
|
|
/* Code to convert packages that are parameters to control methods */
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiCmBuildInternalPackageObject
|
|
*
|
|
* PARAMETERS: *InternalObj - Pointer to the object we are returning
|
|
* *Buffer - Where the object is returned
|
|
* *SpaceUsed - Where the length of the object is returned
|
|
*
|
|
* RETURN: Status - the status of the call
|
|
*
|
|
* DESCRIPTION: This function is called to place a package object in a user
|
|
* buffer. A package object by definition contains other objects.
|
|
*
|
|
* The buffer is assumed to have sufficient space for the object.
|
|
* The caller must have verified the buffer length needed using the
|
|
* AcpiCmGetObjectSize function before calling this function.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static ACPI_STATUS
|
|
AcpiCmBuildInternalPackageObject (
|
|
ACPI_OPERAND_OBJECT *InternalObj,
|
|
UINT8 *Buffer,
|
|
UINT32 *SpaceUsed)
|
|
{
|
|
UINT8 *FreeSpace;
|
|
ACPI_OBJECT *ExternalObj;
|
|
UINT32 CurrentDepth = 0;
|
|
UINT32 Length = 0;
|
|
UINT32 ThisIndex;
|
|
UINT32 ObjectSpace = 0;
|
|
ACPI_OPERAND_OBJECT *ThisInternalObj;
|
|
ACPI_OBJECT *ThisExternalObj;
|
|
PKG_SEARCH_INFO *LevelPtr;
|
|
|
|
|
|
FUNCTION_TRACE ("CmBuildInternalPackageObject");
|
|
|
|
|
|
/*
|
|
* First package at head of the buffer
|
|
*/
|
|
ExternalObj = (ACPI_OBJECT *)Buffer;
|
|
|
|
/*
|
|
* Free space begins right after the first package
|
|
*/
|
|
FreeSpace = Buffer + sizeof(ACPI_OBJECT);
|
|
|
|
|
|
/*
|
|
* Initialize the working variables
|
|
*/
|
|
|
|
MEMSET ((void *) Level, 0, sizeof(Level));
|
|
|
|
Level[0].InternalObj = InternalObj;
|
|
Level[0].ExternalObj = ExternalObj;
|
|
LevelPtr = &Level[0];
|
|
CurrentDepth = 0;
|
|
|
|
ExternalObj->Type = InternalObj->Common.Type;
|
|
ExternalObj->Package.Count = InternalObj->Package.Count;
|
|
ExternalObj->Package.Elements = (ACPI_OBJECT *)FreeSpace;
|
|
|
|
|
|
/*
|
|
* Build an array of ACPI_OBJECTS in the buffer
|
|
* and move the free space past it
|
|
*/
|
|
|
|
FreeSpace += ExternalObj->Package.Count * sizeof(ACPI_OBJECT);
|
|
|
|
|
|
while (1)
|
|
{
|
|
ThisIndex = LevelPtr->Index;
|
|
|
|
ThisInternalObj = (ACPI_OPERAND_OBJECT *)
|
|
&LevelPtr->InternalObj->Package.Elements[ThisIndex];
|
|
|
|
ThisExternalObj = (ACPI_OBJECT *)
|
|
&LevelPtr->ExternalObj->Package.Elements[ThisIndex];
|
|
|
|
if (IS_THIS_OBJECT_TYPE (ThisInternalObj, ACPI_TYPE_PACKAGE))
|
|
{
|
|
/*
|
|
* If this object is a package then we go one deeper
|
|
*/
|
|
if (CurrentDepth >= MAX_PACKAGE_DEPTH-1)
|
|
{
|
|
/*
|
|
* Too many nested levels of packages for us to handle
|
|
*/
|
|
DEBUG_PRINT (ACPI_ERROR,
|
|
("CmBuildPackageObject: Pkg nested too deep (max %X)\n",
|
|
MAX_PACKAGE_DEPTH));
|
|
return_ACPI_STATUS (AE_LIMIT);
|
|
}
|
|
|
|
/*
|
|
* Build the package object
|
|
*/
|
|
ThisExternalObj->Type = ACPI_TYPE_PACKAGE;
|
|
ThisExternalObj->Package.Count = ThisInternalObj->Package.Count;
|
|
ThisExternalObj->Package.Elements = (ACPI_OBJECT *) FreeSpace;
|
|
|
|
/*
|
|
* Save space for the array of objects (Package elements)
|
|
* update the buffer length counter
|
|
*/
|
|
ObjectSpace = ThisExternalObj->Package.Count *
|
|
sizeof (ACPI_OBJECT);
|
|
|
|
FreeSpace += ObjectSpace;
|
|
Length += ObjectSpace;
|
|
|
|
CurrentDepth++;
|
|
LevelPtr = &Level[CurrentDepth];
|
|
LevelPtr->InternalObj = ThisInternalObj;
|
|
LevelPtr->ExternalObj = ThisExternalObj;
|
|
LevelPtr->Index = 0;
|
|
|
|
} /* if object is a package */
|
|
|
|
else
|
|
{
|
|
FreeSpace += ObjectSpace;
|
|
Length += ObjectSpace;
|
|
|
|
LevelPtr->Index++;
|
|
while (LevelPtr->Index >=
|
|
LevelPtr->InternalObj->Package.Count)
|
|
{
|
|
/*
|
|
* We've handled all of the objects at
|
|
* this level, This means that we have
|
|
* just completed a package. That package
|
|
* may have contained one or more packages
|
|
* itself
|
|
*/
|
|
if (CurrentDepth == 0)
|
|
{
|
|
/*
|
|
* We have handled all of the objects
|
|
* in the top level package just add
|
|
* the length of the package objects
|
|
* and get out
|
|
*/
|
|
*SpaceUsed = Length;
|
|
return_ACPI_STATUS (AE_OK);
|
|
}
|
|
|
|
/*
|
|
* go back up a level and move the index
|
|
* past the just completed package object.
|
|
*/
|
|
CurrentDepth--;
|
|
LevelPtr = &Level[CurrentDepth];
|
|
LevelPtr->Index++;
|
|
}
|
|
} /* else object is NOT a package */
|
|
} /* while (1) */
|
|
}
|
|
|
|
#endif /* Future implementation */
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiCmBuildInternalObject
|
|
*
|
|
* PARAMETERS: *InternalObj - The external object to be converted
|
|
* *BufferPtr - Where the internal object is returned
|
|
*
|
|
* RETURN: Status - the status of the call
|
|
*
|
|
* DESCRIPTION: Converts an external object to an internal object.
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiCmBuildInternalObject (
|
|
ACPI_OBJECT *ExternalObj,
|
|
ACPI_OPERAND_OBJECT *InternalObj)
|
|
{
|
|
ACPI_STATUS Status;
|
|
|
|
|
|
FUNCTION_TRACE ("CmBuildInternalObject");
|
|
|
|
|
|
if (ExternalObj->Type == ACPI_TYPE_PACKAGE)
|
|
{
|
|
/*
|
|
* Package objects contain other objects (which can be objects)
|
|
* buildpackage does it all
|
|
*
|
|
* TBD: Package conversion must be completed and tested
|
|
* NOTE: this code converts packages as input parameters to
|
|
* control methods only. This is a very, very rare case.
|
|
*/
|
|
/*
|
|
Status = AcpiCmBuildInternalPackageObject(InternalObj,
|
|
RetBuffer->Pointer,
|
|
&RetBuffer->Length);
|
|
*/
|
|
DEBUG_PRINT (ACPI_ERROR,
|
|
("CmBuildInternalObject: Packages as parameters not implemented!\n"));
|
|
|
|
return_ACPI_STATUS (AE_NOT_IMPLEMENTED);
|
|
}
|
|
|
|
else
|
|
{
|
|
/*
|
|
* Build a simple object (no nested objects)
|
|
*/
|
|
Status = AcpiCmBuildInternalSimpleObject (ExternalObj, InternalObj);
|
|
/*
|
|
* build simple does not include the object size in the length
|
|
* so we add it in here
|
|
*/
|
|
}
|
|
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|