17c478bd9Sstevel@tonic-gate /******************************************************************************
27c478bd9Sstevel@tonic-gate *
37c478bd9Sstevel@tonic-gate * Module Name: exstoren - AML Interpreter object store support,
47c478bd9Sstevel@tonic-gate * Store to Node (namespace object)
57c478bd9Sstevel@tonic-gate *
67c478bd9Sstevel@tonic-gate *****************************************************************************/
77c478bd9Sstevel@tonic-gate
8*35786f68SRobert Mustacchi /******************************************************************************
9*35786f68SRobert Mustacchi *
10*35786f68SRobert Mustacchi * 1. Copyright Notice
11*35786f68SRobert Mustacchi *
12*35786f68SRobert Mustacchi * Some or all of this work - Copyright (c) 1999 - 2018, Intel Corp.
137c478bd9Sstevel@tonic-gate * All rights reserved.
147c478bd9Sstevel@tonic-gate *
15*35786f68SRobert Mustacchi * 2. License
16*35786f68SRobert Mustacchi *
17*35786f68SRobert Mustacchi * 2.1. This is your license from Intel Corp. under its intellectual property
18*35786f68SRobert Mustacchi * rights. You may have additional license terms from the party that provided
19*35786f68SRobert Mustacchi * you this software, covering your right to use that party's intellectual
20*35786f68SRobert Mustacchi * property rights.
21*35786f68SRobert Mustacchi *
22*35786f68SRobert Mustacchi * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
23*35786f68SRobert Mustacchi * copy of the source code appearing in this file ("Covered Code") an
24*35786f68SRobert Mustacchi * irrevocable, perpetual, worldwide license under Intel's copyrights in the
25*35786f68SRobert Mustacchi * base code distributed originally by Intel ("Original Intel Code") to copy,
26*35786f68SRobert Mustacchi * make derivatives, distribute, use and display any portion of the Covered
27*35786f68SRobert Mustacchi * Code in any form, with the right to sublicense such rights; and
28*35786f68SRobert Mustacchi *
29*35786f68SRobert Mustacchi * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
30*35786f68SRobert Mustacchi * license (with the right to sublicense), under only those claims of Intel
31*35786f68SRobert Mustacchi * patents that are infringed by the Original Intel Code, to make, use, sell,
32*35786f68SRobert Mustacchi * offer to sell, and import the Covered Code and derivative works thereof
33*35786f68SRobert Mustacchi * solely to the minimum extent necessary to exercise the above copyright
34*35786f68SRobert Mustacchi * license, and in no event shall the patent license extend to any additions
35*35786f68SRobert Mustacchi * to or modifications of the Original Intel Code. No other license or right
36*35786f68SRobert Mustacchi * is granted directly or by implication, estoppel or otherwise;
37*35786f68SRobert Mustacchi *
38*35786f68SRobert Mustacchi * The above copyright and patent license is granted only if the following
39*35786f68SRobert Mustacchi * conditions are met:
40*35786f68SRobert Mustacchi *
41*35786f68SRobert Mustacchi * 3. Conditions
42*35786f68SRobert Mustacchi *
43*35786f68SRobert Mustacchi * 3.1. Redistribution of Source with Rights to Further Distribute Source.
44*35786f68SRobert Mustacchi * Redistribution of source code of any substantial portion of the Covered
45*35786f68SRobert Mustacchi * Code or modification with rights to further distribute source must include
46*35786f68SRobert Mustacchi * the above Copyright Notice, the above License, this list of Conditions,
47*35786f68SRobert Mustacchi * and the following Disclaimer and Export Compliance provision. In addition,
48*35786f68SRobert Mustacchi * Licensee must cause all Covered Code to which Licensee contributes to
49*35786f68SRobert Mustacchi * contain a file documenting the changes Licensee made to create that Covered
50*35786f68SRobert Mustacchi * Code and the date of any change. Licensee must include in that file the
51*35786f68SRobert Mustacchi * documentation of any changes made by any predecessor Licensee. Licensee
52*35786f68SRobert Mustacchi * must include a prominent statement that the modification is derived,
53*35786f68SRobert Mustacchi * directly or indirectly, from Original Intel Code.
54*35786f68SRobert Mustacchi *
55*35786f68SRobert Mustacchi * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
56*35786f68SRobert Mustacchi * Redistribution of source code of any substantial portion of the Covered
57*35786f68SRobert Mustacchi * Code or modification without rights to further distribute source must
58*35786f68SRobert Mustacchi * include the following Disclaimer and Export Compliance provision in the
59*35786f68SRobert Mustacchi * documentation and/or other materials provided with distribution. In
60*35786f68SRobert Mustacchi * addition, Licensee may not authorize further sublicense of source of any
61*35786f68SRobert Mustacchi * portion of the Covered Code, and must include terms to the effect that the
62*35786f68SRobert Mustacchi * license from Licensee to its licensee is limited to the intellectual
63*35786f68SRobert Mustacchi * property embodied in the software Licensee provides to its licensee, and
64*35786f68SRobert Mustacchi * not to intellectual property embodied in modifications its licensee may
65*35786f68SRobert Mustacchi * make.
66*35786f68SRobert Mustacchi *
67*35786f68SRobert Mustacchi * 3.3. Redistribution of Executable. Redistribution in executable form of any
68*35786f68SRobert Mustacchi * substantial portion of the Covered Code or modification must reproduce the
69*35786f68SRobert Mustacchi * above Copyright Notice, and the following Disclaimer and Export Compliance
70*35786f68SRobert Mustacchi * provision in the documentation and/or other materials provided with the
71*35786f68SRobert Mustacchi * distribution.
72*35786f68SRobert Mustacchi *
73*35786f68SRobert Mustacchi * 3.4. Intel retains all right, title, and interest in and to the Original
74*35786f68SRobert Mustacchi * Intel Code.
75*35786f68SRobert Mustacchi *
76*35786f68SRobert Mustacchi * 3.5. Neither the name Intel nor any other trademark owned or controlled by
77*35786f68SRobert Mustacchi * Intel shall be used in advertising or otherwise to promote the sale, use or
78*35786f68SRobert Mustacchi * other dealings in products derived from or relating to the Covered Code
79*35786f68SRobert Mustacchi * without prior written authorization from Intel.
80*35786f68SRobert Mustacchi *
81*35786f68SRobert Mustacchi * 4. Disclaimer and Export Compliance
82*35786f68SRobert Mustacchi *
83*35786f68SRobert Mustacchi * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
84*35786f68SRobert Mustacchi * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
85*35786f68SRobert Mustacchi * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
86*35786f68SRobert Mustacchi * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
87*35786f68SRobert Mustacchi * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
88*35786f68SRobert Mustacchi * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
89*35786f68SRobert Mustacchi * PARTICULAR PURPOSE.
90*35786f68SRobert Mustacchi *
91*35786f68SRobert Mustacchi * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
92*35786f68SRobert Mustacchi * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
93*35786f68SRobert Mustacchi * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
94*35786f68SRobert Mustacchi * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
95*35786f68SRobert Mustacchi * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
96*35786f68SRobert Mustacchi * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
97*35786f68SRobert Mustacchi * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
98*35786f68SRobert Mustacchi * LIMITED REMEDY.
99*35786f68SRobert Mustacchi *
100*35786f68SRobert Mustacchi * 4.3. Licensee shall not export, either directly or indirectly, any of this
101*35786f68SRobert Mustacchi * software or system incorporating such software without first obtaining any
102*35786f68SRobert Mustacchi * required license or other approval from the U. S. Department of Commerce or
103*35786f68SRobert Mustacchi * any other agency or department of the United States Government. In the
104*35786f68SRobert Mustacchi * event Licensee exports any such software from the United States or
105*35786f68SRobert Mustacchi * re-exports any such software from a foreign destination, Licensee shall
106*35786f68SRobert Mustacchi * ensure that the distribution and export/re-export of the software is in
107*35786f68SRobert Mustacchi * compliance with all laws, regulations, orders, or other restrictions of the
108*35786f68SRobert Mustacchi * U.S. Export Administration Regulations. Licensee agrees that neither it nor
109*35786f68SRobert Mustacchi * any of its subsidiaries will export/re-export any technical data, process,
110*35786f68SRobert Mustacchi * software, or service, directly or indirectly, to any country for which the
111*35786f68SRobert Mustacchi * United States government or any agency thereof requires an export license,
112*35786f68SRobert Mustacchi * other governmental approval, or letter of assurance, without first obtaining
113*35786f68SRobert Mustacchi * such license, approval or letter.
114*35786f68SRobert Mustacchi *
115*35786f68SRobert Mustacchi *****************************************************************************
116*35786f68SRobert Mustacchi *
117*35786f68SRobert Mustacchi * Alternatively, you may choose to be licensed under the terms of the
118*35786f68SRobert Mustacchi * following license:
119*35786f68SRobert Mustacchi *
12026f3cdf0SGordon Ross * Redistribution and use in source and binary forms, with or without
12126f3cdf0SGordon Ross * modification, are permitted provided that the following conditions
12226f3cdf0SGordon Ross * are met:
12326f3cdf0SGordon Ross * 1. Redistributions of source code must retain the above copyright
12426f3cdf0SGordon Ross * notice, this list of conditions, and the following disclaimer,
12526f3cdf0SGordon Ross * without modification.
12626f3cdf0SGordon Ross * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12726f3cdf0SGordon Ross * substantially similar to the "NO WARRANTY" disclaimer below
12826f3cdf0SGordon Ross * ("Disclaimer") and any redistribution must be conditioned upon
12926f3cdf0SGordon Ross * including a substantially similar Disclaimer requirement for further
13026f3cdf0SGordon Ross * binary redistribution.
13126f3cdf0SGordon Ross * 3. Neither the names of the above-listed copyright holders nor the names
13226f3cdf0SGordon Ross * of any contributors may be used to endorse or promote products derived
13326f3cdf0SGordon Ross * from this software without specific prior written permission.
13426f3cdf0SGordon Ross *
13526f3cdf0SGordon Ross * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
13626f3cdf0SGordon Ross * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
137*35786f68SRobert Mustacchi * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
13826f3cdf0SGordon Ross * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
139*35786f68SRobert Mustacchi * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
140*35786f68SRobert Mustacchi * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
141*35786f68SRobert Mustacchi * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
142*35786f68SRobert Mustacchi * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
143*35786f68SRobert Mustacchi * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
144*35786f68SRobert Mustacchi * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
145*35786f68SRobert Mustacchi * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
146*35786f68SRobert Mustacchi *
147*35786f68SRobert Mustacchi * Alternatively, you may choose to be licensed under the terms of the
148*35786f68SRobert Mustacchi * GNU General Public License ("GPL") version 2 as published by the Free
149*35786f68SRobert Mustacchi * Software Foundation.
150*35786f68SRobert Mustacchi *
151*35786f68SRobert Mustacchi *****************************************************************************/
1527c478bd9Sstevel@tonic-gate
1537c478bd9Sstevel@tonic-gate #include "acpi.h"
154aa2aa9a6SDana Myers #include "accommon.h"
1557c478bd9Sstevel@tonic-gate #include "acinterp.h"
1567c478bd9Sstevel@tonic-gate #include "amlcode.h"
1577c478bd9Sstevel@tonic-gate
1587c478bd9Sstevel@tonic-gate
1597c478bd9Sstevel@tonic-gate #define _COMPONENT ACPI_EXECUTER
1607c478bd9Sstevel@tonic-gate ACPI_MODULE_NAME ("exstoren")
1617c478bd9Sstevel@tonic-gate
1627c478bd9Sstevel@tonic-gate
1637c478bd9Sstevel@tonic-gate /*******************************************************************************
1647c478bd9Sstevel@tonic-gate *
1657c478bd9Sstevel@tonic-gate * FUNCTION: AcpiExResolveObject
1667c478bd9Sstevel@tonic-gate *
1677c478bd9Sstevel@tonic-gate * PARAMETERS: SourceDescPtr - Pointer to the source object
1687c478bd9Sstevel@tonic-gate * TargetType - Current type of the target
1697c478bd9Sstevel@tonic-gate * WalkState - Current walk state
1707c478bd9Sstevel@tonic-gate *
1717c478bd9Sstevel@tonic-gate * RETURN: Status, resolved object in SourceDescPtr.
1727c478bd9Sstevel@tonic-gate *
1737b1019a6SJerry Jelinek * DESCRIPTION: Resolve an object. If the object is a reference, dereference
1747c478bd9Sstevel@tonic-gate * it and return the actual object in the SourceDescPtr.
1757c478bd9Sstevel@tonic-gate *
1767c478bd9Sstevel@tonic-gate ******************************************************************************/
1777c478bd9Sstevel@tonic-gate
1787c478bd9Sstevel@tonic-gate ACPI_STATUS
AcpiExResolveObject(ACPI_OPERAND_OBJECT ** SourceDescPtr,ACPI_OBJECT_TYPE TargetType,ACPI_WALK_STATE * WalkState)1797c478bd9Sstevel@tonic-gate AcpiExResolveObject (
1807c478bd9Sstevel@tonic-gate ACPI_OPERAND_OBJECT **SourceDescPtr,
1817c478bd9Sstevel@tonic-gate ACPI_OBJECT_TYPE TargetType,
1827c478bd9Sstevel@tonic-gate ACPI_WALK_STATE *WalkState)
1837c478bd9Sstevel@tonic-gate {
1847c478bd9Sstevel@tonic-gate ACPI_OPERAND_OBJECT *SourceDesc = *SourceDescPtr;
1857c478bd9Sstevel@tonic-gate ACPI_STATUS Status = AE_OK;
1867c478bd9Sstevel@tonic-gate
1877c478bd9Sstevel@tonic-gate
18827f7c583Smyers ACPI_FUNCTION_TRACE (ExResolveObject);
1897c478bd9Sstevel@tonic-gate
1907c478bd9Sstevel@tonic-gate
1917c478bd9Sstevel@tonic-gate /* Ensure we have a Target that can be stored to */
1927c478bd9Sstevel@tonic-gate
1937c478bd9Sstevel@tonic-gate switch (TargetType)
1947c478bd9Sstevel@tonic-gate {
1957c478bd9Sstevel@tonic-gate case ACPI_TYPE_BUFFER_FIELD:
1967c478bd9Sstevel@tonic-gate case ACPI_TYPE_LOCAL_REGION_FIELD:
1977c478bd9Sstevel@tonic-gate case ACPI_TYPE_LOCAL_BANK_FIELD:
1987c478bd9Sstevel@tonic-gate case ACPI_TYPE_LOCAL_INDEX_FIELD:
1997c478bd9Sstevel@tonic-gate /*
2007c478bd9Sstevel@tonic-gate * These cases all require only Integers or values that
2017c478bd9Sstevel@tonic-gate * can be converted to Integers (Strings or Buffers)
2027c478bd9Sstevel@tonic-gate */
2037c478bd9Sstevel@tonic-gate case ACPI_TYPE_INTEGER:
2047c478bd9Sstevel@tonic-gate case ACPI_TYPE_STRING:
2057c478bd9Sstevel@tonic-gate case ACPI_TYPE_BUFFER:
2067c478bd9Sstevel@tonic-gate /*
2077c478bd9Sstevel@tonic-gate * Stores into a Field/Region or into a Integer/Buffer/String
2087b1019a6SJerry Jelinek * are all essentially the same. This case handles the
2097c478bd9Sstevel@tonic-gate * "interchangeable" types Integer, String, and Buffer.
2107c478bd9Sstevel@tonic-gate */
211aa2aa9a6SDana Myers if (SourceDesc->Common.Type == ACPI_TYPE_LOCAL_REFERENCE)
2127c478bd9Sstevel@tonic-gate {
2137c478bd9Sstevel@tonic-gate /* Resolve a reference object first */
2147c478bd9Sstevel@tonic-gate
2157c478bd9Sstevel@tonic-gate Status = AcpiExResolveToValue (SourceDescPtr, WalkState);
2167c478bd9Sstevel@tonic-gate if (ACPI_FAILURE (Status))
2177c478bd9Sstevel@tonic-gate {
2187c478bd9Sstevel@tonic-gate break;
2197c478bd9Sstevel@tonic-gate }
2207c478bd9Sstevel@tonic-gate }
2217c478bd9Sstevel@tonic-gate
2227c478bd9Sstevel@tonic-gate /* For CopyObject, no further validation necessary */
2237c478bd9Sstevel@tonic-gate
224*35786f68SRobert Mustacchi if (WalkState->Opcode == AML_COPY_OBJECT_OP)
2257c478bd9Sstevel@tonic-gate {
2267c478bd9Sstevel@tonic-gate break;
2277c478bd9Sstevel@tonic-gate }
2287c478bd9Sstevel@tonic-gate
2297c478bd9Sstevel@tonic-gate /* Must have a Integer, Buffer, or String */
2307c478bd9Sstevel@tonic-gate
231aa2aa9a6SDana Myers if ((SourceDesc->Common.Type != ACPI_TYPE_INTEGER) &&
232aa2aa9a6SDana Myers (SourceDesc->Common.Type != ACPI_TYPE_BUFFER) &&
233aa2aa9a6SDana Myers (SourceDesc->Common.Type != ACPI_TYPE_STRING) &&
234aa2aa9a6SDana Myers !((SourceDesc->Common.Type == ACPI_TYPE_LOCAL_REFERENCE) &&
2357b1019a6SJerry Jelinek (SourceDesc->Reference.Class== ACPI_REFCLASS_TABLE)))
2367c478bd9Sstevel@tonic-gate {
2377c478bd9Sstevel@tonic-gate /* Conversion successful but still not a valid type */
2387c478bd9Sstevel@tonic-gate
23930082d0cSmyers ACPI_ERROR ((AE_INFO,
2407b1019a6SJerry Jelinek "Cannot assign type [%s] to [%s] (must be type Int/Str/Buf)",
2417c478bd9Sstevel@tonic-gate AcpiUtGetObjectTypeName (SourceDesc),
2427c478bd9Sstevel@tonic-gate AcpiUtGetTypeName (TargetType)));
2437b1019a6SJerry Jelinek
2447c478bd9Sstevel@tonic-gate Status = AE_AML_OPERAND_TYPE;
2457c478bd9Sstevel@tonic-gate }
2467c478bd9Sstevel@tonic-gate break;
2477c478bd9Sstevel@tonic-gate
2487c478bd9Sstevel@tonic-gate case ACPI_TYPE_LOCAL_ALIAS:
2497c478bd9Sstevel@tonic-gate case ACPI_TYPE_LOCAL_METHOD_ALIAS:
25030082d0cSmyers /*
25127f7c583Smyers * All aliases should have been resolved earlier, during the
25230082d0cSmyers * operand resolution phase.
25330082d0cSmyers */
25430082d0cSmyers ACPI_ERROR ((AE_INFO, "Store into an unresolved Alias object"));
2557c478bd9Sstevel@tonic-gate Status = AE_AML_INTERNAL;
2567c478bd9Sstevel@tonic-gate break;
2577c478bd9Sstevel@tonic-gate
2587c478bd9Sstevel@tonic-gate case ACPI_TYPE_PACKAGE:
2597c478bd9Sstevel@tonic-gate default:
2607c478bd9Sstevel@tonic-gate /*
2617c478bd9Sstevel@tonic-gate * All other types than Alias and the various Fields come here,
2627c478bd9Sstevel@tonic-gate * including the untyped case - ACPI_TYPE_ANY.
2637c478bd9Sstevel@tonic-gate */
2647c478bd9Sstevel@tonic-gate break;
2657c478bd9Sstevel@tonic-gate }
2667c478bd9Sstevel@tonic-gate
2677c478bd9Sstevel@tonic-gate return_ACPI_STATUS (Status);
2687c478bd9Sstevel@tonic-gate }
2697c478bd9Sstevel@tonic-gate
2707c478bd9Sstevel@tonic-gate
2717c478bd9Sstevel@tonic-gate /*******************************************************************************
2727c478bd9Sstevel@tonic-gate *
2737c478bd9Sstevel@tonic-gate * FUNCTION: AcpiExStoreObjectToObject
2747c478bd9Sstevel@tonic-gate *
2757c478bd9Sstevel@tonic-gate * PARAMETERS: SourceDesc - Object to store
2767c478bd9Sstevel@tonic-gate * DestDesc - Object to receive a copy of the source
2777c478bd9Sstevel@tonic-gate * NewDesc - New object if DestDesc is obsoleted
2787c478bd9Sstevel@tonic-gate * WalkState - Current walk state
2797c478bd9Sstevel@tonic-gate *
2807c478bd9Sstevel@tonic-gate * RETURN: Status
2817c478bd9Sstevel@tonic-gate *
2827b1019a6SJerry Jelinek * DESCRIPTION: "Store" an object to another object. This may include
2837c478bd9Sstevel@tonic-gate * converting the source type to the target type (implicit
2847c478bd9Sstevel@tonic-gate * conversion), and a copy of the value of the source to
2857c478bd9Sstevel@tonic-gate * the target.
2867c478bd9Sstevel@tonic-gate *
2877c478bd9Sstevel@tonic-gate * The Assignment of an object to another (not named) object
2887c478bd9Sstevel@tonic-gate * is handled here.
2897c478bd9Sstevel@tonic-gate * The Source passed in will replace the current value (if any)
2907c478bd9Sstevel@tonic-gate * with the input value.
2917c478bd9Sstevel@tonic-gate *
2927c478bd9Sstevel@tonic-gate * When storing into an object the data is converted to the
2937b1019a6SJerry Jelinek * target object type then stored in the object. This means
2947c478bd9Sstevel@tonic-gate * that the target object type (for an initialized target) will
2957c478bd9Sstevel@tonic-gate * not be changed by a store operation.
2967c478bd9Sstevel@tonic-gate *
2977c478bd9Sstevel@tonic-gate * This module allows destination types of Number, String,
2987c478bd9Sstevel@tonic-gate * Buffer, and Package.
2997c478bd9Sstevel@tonic-gate *
3007b1019a6SJerry Jelinek * Assumes parameters are already validated. NOTE: SourceDesc
3017c478bd9Sstevel@tonic-gate * resolution (from a reference object) must be performed by
3027c478bd9Sstevel@tonic-gate * the caller if necessary.
3037c478bd9Sstevel@tonic-gate *
3047c478bd9Sstevel@tonic-gate ******************************************************************************/
3057c478bd9Sstevel@tonic-gate
3067c478bd9Sstevel@tonic-gate ACPI_STATUS
AcpiExStoreObjectToObject(ACPI_OPERAND_OBJECT * SourceDesc,ACPI_OPERAND_OBJECT * DestDesc,ACPI_OPERAND_OBJECT ** NewDesc,ACPI_WALK_STATE * WalkState)3077c478bd9Sstevel@tonic-gate AcpiExStoreObjectToObject (
3087c478bd9Sstevel@tonic-gate ACPI_OPERAND_OBJECT *SourceDesc,
3097c478bd9Sstevel@tonic-gate ACPI_OPERAND_OBJECT *DestDesc,
3107c478bd9Sstevel@tonic-gate ACPI_OPERAND_OBJECT **NewDesc,
3117c478bd9Sstevel@tonic-gate ACPI_WALK_STATE *WalkState)
3127c478bd9Sstevel@tonic-gate {
3137c478bd9Sstevel@tonic-gate ACPI_OPERAND_OBJECT *ActualSrcDesc;
3147c478bd9Sstevel@tonic-gate ACPI_STATUS Status = AE_OK;
3157c478bd9Sstevel@tonic-gate
3167c478bd9Sstevel@tonic-gate
31727f7c583Smyers ACPI_FUNCTION_TRACE_PTR (ExStoreObjectToObject, SourceDesc);
3187c478bd9Sstevel@tonic-gate
3197c478bd9Sstevel@tonic-gate
3207c478bd9Sstevel@tonic-gate ActualSrcDesc = SourceDesc;
3217c478bd9Sstevel@tonic-gate if (!DestDesc)
3227c478bd9Sstevel@tonic-gate {
3237c478bd9Sstevel@tonic-gate /*
3247c478bd9Sstevel@tonic-gate * There is no destination object (An uninitialized node or
3257c478bd9Sstevel@tonic-gate * package element), so we can simply copy the source object
3267c478bd9Sstevel@tonic-gate * creating a new destination object
3277c478bd9Sstevel@tonic-gate */
3287c478bd9Sstevel@tonic-gate Status = AcpiUtCopyIobjectToIobject (ActualSrcDesc, NewDesc, WalkState);
3297c478bd9Sstevel@tonic-gate return_ACPI_STATUS (Status);
3307c478bd9Sstevel@tonic-gate }
3317c478bd9Sstevel@tonic-gate
332aa2aa9a6SDana Myers if (SourceDesc->Common.Type != DestDesc->Common.Type)
3337c478bd9Sstevel@tonic-gate {
3347c478bd9Sstevel@tonic-gate /*
3357c478bd9Sstevel@tonic-gate * The source type does not match the type of the destination.
3367c478bd9Sstevel@tonic-gate * Perform the "implicit conversion" of the source to the current type
3377c478bd9Sstevel@tonic-gate * of the target as per the ACPI specification.
3387c478bd9Sstevel@tonic-gate *
3397c478bd9Sstevel@tonic-gate * If no conversion performed, ActualSrcDesc = SourceDesc.
3407c478bd9Sstevel@tonic-gate * Otherwise, ActualSrcDesc is a temporary object to hold the
3417c478bd9Sstevel@tonic-gate * converted object.
3427c478bd9Sstevel@tonic-gate */
343aa2aa9a6SDana Myers Status = AcpiExConvertToTargetType (DestDesc->Common.Type,
3447b1019a6SJerry Jelinek SourceDesc, &ActualSrcDesc, WalkState);
3457c478bd9Sstevel@tonic-gate if (ACPI_FAILURE (Status))
3467c478bd9Sstevel@tonic-gate {
3477c478bd9Sstevel@tonic-gate return_ACPI_STATUS (Status);
3487c478bd9Sstevel@tonic-gate }
3497c478bd9Sstevel@tonic-gate
3507c478bd9Sstevel@tonic-gate if (SourceDesc == ActualSrcDesc)
3517c478bd9Sstevel@tonic-gate {
3527c478bd9Sstevel@tonic-gate /*
3537c478bd9Sstevel@tonic-gate * No conversion was performed. Return the SourceDesc as the
3547c478bd9Sstevel@tonic-gate * new object.
3557c478bd9Sstevel@tonic-gate */
3567c478bd9Sstevel@tonic-gate *NewDesc = SourceDesc;
3577c478bd9Sstevel@tonic-gate return_ACPI_STATUS (AE_OK);
3587c478bd9Sstevel@tonic-gate }
3597c478bd9Sstevel@tonic-gate }
3607c478bd9Sstevel@tonic-gate
3617c478bd9Sstevel@tonic-gate /*
3627c478bd9Sstevel@tonic-gate * We now have two objects of identical types, and we can perform a
3637c478bd9Sstevel@tonic-gate * copy of the *value* of the source object.
3647c478bd9Sstevel@tonic-gate */
365aa2aa9a6SDana Myers switch (DestDesc->Common.Type)
3667c478bd9Sstevel@tonic-gate {
3677c478bd9Sstevel@tonic-gate case ACPI_TYPE_INTEGER:
3687c478bd9Sstevel@tonic-gate
3697c478bd9Sstevel@tonic-gate DestDesc->Integer.Value = ActualSrcDesc->Integer.Value;
3707c478bd9Sstevel@tonic-gate
3717c478bd9Sstevel@tonic-gate /* Truncate value if we are executing from a 32-bit ACPI table */
3727c478bd9Sstevel@tonic-gate
3737b1019a6SJerry Jelinek (void) AcpiExTruncateFor32bitTable (DestDesc);
3747c478bd9Sstevel@tonic-gate break;
3757c478bd9Sstevel@tonic-gate
3767c478bd9Sstevel@tonic-gate case ACPI_TYPE_STRING:
3777c478bd9Sstevel@tonic-gate
3787c478bd9Sstevel@tonic-gate Status = AcpiExStoreStringToString (ActualSrcDesc, DestDesc);
3797c478bd9Sstevel@tonic-gate break;
3807c478bd9Sstevel@tonic-gate
3817c478bd9Sstevel@tonic-gate case ACPI_TYPE_BUFFER:
3827c478bd9Sstevel@tonic-gate
3837c478bd9Sstevel@tonic-gate Status = AcpiExStoreBufferToBuffer (ActualSrcDesc, DestDesc);
3847c478bd9Sstevel@tonic-gate break;
3857c478bd9Sstevel@tonic-gate
3867c478bd9Sstevel@tonic-gate case ACPI_TYPE_PACKAGE:
3877c478bd9Sstevel@tonic-gate
3887c478bd9Sstevel@tonic-gate Status = AcpiUtCopyIobjectToIobject (ActualSrcDesc, &DestDesc,
3897c478bd9Sstevel@tonic-gate WalkState);
3907c478bd9Sstevel@tonic-gate break;
3917c478bd9Sstevel@tonic-gate
3927c478bd9Sstevel@tonic-gate default:
3937c478bd9Sstevel@tonic-gate /*
3947c478bd9Sstevel@tonic-gate * All other types come here.
3957c478bd9Sstevel@tonic-gate */
3967b1019a6SJerry Jelinek ACPI_WARNING ((AE_INFO, "Store into type [%s] not implemented",
3977c478bd9Sstevel@tonic-gate AcpiUtGetObjectTypeName (DestDesc)));
3987c478bd9Sstevel@tonic-gate
3997c478bd9Sstevel@tonic-gate Status = AE_NOT_IMPLEMENTED;
4007c478bd9Sstevel@tonic-gate break;
4017c478bd9Sstevel@tonic-gate }
4027c478bd9Sstevel@tonic-gate
4037c478bd9Sstevel@tonic-gate if (ActualSrcDesc != SourceDesc)
4047c478bd9Sstevel@tonic-gate {
4057c478bd9Sstevel@tonic-gate /* Delete the intermediate (temporary) source object */
4067c478bd9Sstevel@tonic-gate
4077c478bd9Sstevel@tonic-gate AcpiUtRemoveReference (ActualSrcDesc);
4087c478bd9Sstevel@tonic-gate }
4097c478bd9Sstevel@tonic-gate
4107c478bd9Sstevel@tonic-gate *NewDesc = DestDesc;
4117c478bd9Sstevel@tonic-gate return_ACPI_STATUS (Status);
4127c478bd9Sstevel@tonic-gate }
413