10d02842fSSascha Wildner /******************************************************************************
20d02842fSSascha Wildner *
30d02842fSSascha Wildner * Module Name: adwalk - Application-level disassembler parse tree walk routines
40d02842fSSascha Wildner *
50d02842fSSascha Wildner *****************************************************************************/
60d02842fSSascha Wildner
7b4315fc7SSascha Wildner /******************************************************************************
8b4315fc7SSascha Wildner *
9b4315fc7SSascha Wildner * 1. Copyright Notice
10b4315fc7SSascha Wildner *
11*383048acSSascha Wildner * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
120d02842fSSascha Wildner * All rights reserved.
130d02842fSSascha Wildner *
14b4315fc7SSascha Wildner * 2. License
15b4315fc7SSascha Wildner *
16b4315fc7SSascha Wildner * 2.1. This is your license from Intel Corp. under its intellectual property
17b4315fc7SSascha Wildner * rights. You may have additional license terms from the party that provided
18b4315fc7SSascha Wildner * you this software, covering your right to use that party's intellectual
19b4315fc7SSascha Wildner * property rights.
20b4315fc7SSascha Wildner *
21b4315fc7SSascha Wildner * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22b4315fc7SSascha Wildner * copy of the source code appearing in this file ("Covered Code") an
23b4315fc7SSascha Wildner * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24b4315fc7SSascha Wildner * base code distributed originally by Intel ("Original Intel Code") to copy,
25b4315fc7SSascha Wildner * make derivatives, distribute, use and display any portion of the Covered
26b4315fc7SSascha Wildner * Code in any form, with the right to sublicense such rights; and
27b4315fc7SSascha Wildner *
28b4315fc7SSascha Wildner * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29b4315fc7SSascha Wildner * license (with the right to sublicense), under only those claims of Intel
30b4315fc7SSascha Wildner * patents that are infringed by the Original Intel Code, to make, use, sell,
31b4315fc7SSascha Wildner * offer to sell, and import the Covered Code and derivative works thereof
32b4315fc7SSascha Wildner * solely to the minimum extent necessary to exercise the above copyright
33b4315fc7SSascha Wildner * license, and in no event shall the patent license extend to any additions
34b4315fc7SSascha Wildner * to or modifications of the Original Intel Code. No other license or right
35b4315fc7SSascha Wildner * is granted directly or by implication, estoppel or otherwise;
36b4315fc7SSascha Wildner *
37b4315fc7SSascha Wildner * The above copyright and patent license is granted only if the following
38b4315fc7SSascha Wildner * conditions are met:
39b4315fc7SSascha Wildner *
40b4315fc7SSascha Wildner * 3. Conditions
41b4315fc7SSascha Wildner *
42b4315fc7SSascha Wildner * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43b4315fc7SSascha Wildner * Redistribution of source code of any substantial portion of the Covered
44b4315fc7SSascha Wildner * Code or modification with rights to further distribute source must include
45b4315fc7SSascha Wildner * the above Copyright Notice, the above License, this list of Conditions,
46b4315fc7SSascha Wildner * and the following Disclaimer and Export Compliance provision. In addition,
47b4315fc7SSascha Wildner * Licensee must cause all Covered Code to which Licensee contributes to
48b4315fc7SSascha Wildner * contain a file documenting the changes Licensee made to create that Covered
49b4315fc7SSascha Wildner * Code and the date of any change. Licensee must include in that file the
50b4315fc7SSascha Wildner * documentation of any changes made by any predecessor Licensee. Licensee
51b4315fc7SSascha Wildner * must include a prominent statement that the modification is derived,
52b4315fc7SSascha Wildner * directly or indirectly, from Original Intel Code.
53b4315fc7SSascha Wildner *
54b4315fc7SSascha Wildner * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55b4315fc7SSascha Wildner * Redistribution of source code of any substantial portion of the Covered
56b4315fc7SSascha Wildner * Code or modification without rights to further distribute source must
57b4315fc7SSascha Wildner * include the following Disclaimer and Export Compliance provision in the
58b4315fc7SSascha Wildner * documentation and/or other materials provided with distribution. In
59b4315fc7SSascha Wildner * addition, Licensee may not authorize further sublicense of source of any
60b4315fc7SSascha Wildner * portion of the Covered Code, and must include terms to the effect that the
61b4315fc7SSascha Wildner * license from Licensee to its licensee is limited to the intellectual
62b4315fc7SSascha Wildner * property embodied in the software Licensee provides to its licensee, and
63b4315fc7SSascha Wildner * not to intellectual property embodied in modifications its licensee may
64b4315fc7SSascha Wildner * make.
65b4315fc7SSascha Wildner *
66b4315fc7SSascha Wildner * 3.3. Redistribution of Executable. Redistribution in executable form of any
67b4315fc7SSascha Wildner * substantial portion of the Covered Code or modification must reproduce the
68b4315fc7SSascha Wildner * above Copyright Notice, and the following Disclaimer and Export Compliance
69b4315fc7SSascha Wildner * provision in the documentation and/or other materials provided with the
70b4315fc7SSascha Wildner * distribution.
71b4315fc7SSascha Wildner *
72b4315fc7SSascha Wildner * 3.4. Intel retains all right, title, and interest in and to the Original
73b4315fc7SSascha Wildner * Intel Code.
74b4315fc7SSascha Wildner *
75b4315fc7SSascha Wildner * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76b4315fc7SSascha Wildner * Intel shall be used in advertising or otherwise to promote the sale, use or
77b4315fc7SSascha Wildner * other dealings in products derived from or relating to the Covered Code
78b4315fc7SSascha Wildner * without prior written authorization from Intel.
79b4315fc7SSascha Wildner *
80b4315fc7SSascha Wildner * 4. Disclaimer and Export Compliance
81b4315fc7SSascha Wildner *
82b4315fc7SSascha Wildner * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83b4315fc7SSascha Wildner * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84b4315fc7SSascha Wildner * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85b4315fc7SSascha Wildner * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86b4315fc7SSascha Wildner * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87b4315fc7SSascha Wildner * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
88b4315fc7SSascha Wildner * PARTICULAR PURPOSE.
89b4315fc7SSascha Wildner *
90b4315fc7SSascha Wildner * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91b4315fc7SSascha Wildner * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92b4315fc7SSascha Wildner * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93b4315fc7SSascha Wildner * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94b4315fc7SSascha Wildner * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95b4315fc7SSascha Wildner * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96b4315fc7SSascha Wildner * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
97b4315fc7SSascha Wildner * LIMITED REMEDY.
98b4315fc7SSascha Wildner *
99b4315fc7SSascha Wildner * 4.3. Licensee shall not export, either directly or indirectly, any of this
100b4315fc7SSascha Wildner * software or system incorporating such software without first obtaining any
101b4315fc7SSascha Wildner * required license or other approval from the U. S. Department of Commerce or
102b4315fc7SSascha Wildner * any other agency or department of the United States Government. In the
103b4315fc7SSascha Wildner * event Licensee exports any such software from the United States or
104b4315fc7SSascha Wildner * re-exports any such software from a foreign destination, Licensee shall
105b4315fc7SSascha Wildner * ensure that the distribution and export/re-export of the software is in
106b4315fc7SSascha Wildner * compliance with all laws, regulations, orders, or other restrictions of the
107b4315fc7SSascha Wildner * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108b4315fc7SSascha Wildner * any of its subsidiaries will export/re-export any technical data, process,
109b4315fc7SSascha Wildner * software, or service, directly or indirectly, to any country for which the
110b4315fc7SSascha Wildner * United States government or any agency thereof requires an export license,
111b4315fc7SSascha Wildner * other governmental approval, or letter of assurance, without first obtaining
112b4315fc7SSascha Wildner * such license, approval or letter.
113b4315fc7SSascha Wildner *
114b4315fc7SSascha Wildner *****************************************************************************
115b4315fc7SSascha Wildner *
116b4315fc7SSascha Wildner * Alternatively, you may choose to be licensed under the terms of the
117b4315fc7SSascha Wildner * following license:
118b4315fc7SSascha Wildner *
1190d02842fSSascha Wildner * Redistribution and use in source and binary forms, with or without
1200d02842fSSascha Wildner * modification, are permitted provided that the following conditions
1210d02842fSSascha Wildner * are met:
1220d02842fSSascha Wildner * 1. Redistributions of source code must retain the above copyright
1230d02842fSSascha Wildner * notice, this list of conditions, and the following disclaimer,
1240d02842fSSascha Wildner * without modification.
1250d02842fSSascha Wildner * 2. Redistributions in binary form must reproduce at minimum a disclaimer
1260d02842fSSascha Wildner * substantially similar to the "NO WARRANTY" disclaimer below
1270d02842fSSascha Wildner * ("Disclaimer") and any redistribution must be conditioned upon
1280d02842fSSascha Wildner * including a substantially similar Disclaimer requirement for further
1290d02842fSSascha Wildner * binary redistribution.
1300d02842fSSascha Wildner * 3. Neither the names of the above-listed copyright holders nor the names
1310d02842fSSascha Wildner * of any contributors may be used to endorse or promote products derived
1320d02842fSSascha Wildner * from this software without specific prior written permission.
1330d02842fSSascha Wildner *
134b4315fc7SSascha Wildner * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135b4315fc7SSascha Wildner * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136b4315fc7SSascha Wildner * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137b4315fc7SSascha Wildner * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138b4315fc7SSascha Wildner * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139b4315fc7SSascha Wildner * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140b4315fc7SSascha Wildner * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141b4315fc7SSascha Wildner * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142b4315fc7SSascha Wildner * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143b4315fc7SSascha Wildner * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144b4315fc7SSascha Wildner * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
145b4315fc7SSascha Wildner *
146b4315fc7SSascha Wildner * Alternatively, you may choose to be licensed under the terms of the
1470d02842fSSascha Wildner * GNU General Public License ("GPL") version 2 as published by the Free
1480d02842fSSascha Wildner * Software Foundation.
1490d02842fSSascha Wildner *
150b4315fc7SSascha Wildner *****************************************************************************/
1510d02842fSSascha Wildner
1520d02842fSSascha Wildner #include "acpi.h"
1530d02842fSSascha Wildner #include "accommon.h"
1540d02842fSSascha Wildner #include "acparser.h"
1550d02842fSSascha Wildner #include "amlcode.h"
1560d02842fSSascha Wildner #include "acdisasm.h"
1570d02842fSSascha Wildner #include "acdispat.h"
1580d02842fSSascha Wildner #include "acnamesp.h"
1590d02842fSSascha Wildner #include "acapps.h"
1600d02842fSSascha Wildner
1610d02842fSSascha Wildner
1620d02842fSSascha Wildner #define _COMPONENT ACPI_TOOLS
1630d02842fSSascha Wildner ACPI_MODULE_NAME ("adwalk")
1640d02842fSSascha Wildner
1650d02842fSSascha Wildner /*
1660d02842fSSascha Wildner * aslmap - opcode mappings and reserved method names
1670d02842fSSascha Wildner */
1680d02842fSSascha Wildner ACPI_OBJECT_TYPE
1690d02842fSSascha Wildner AslMapNamedOpcodeToDataType (
1700d02842fSSascha Wildner UINT16 Opcode);
1710d02842fSSascha Wildner
1720d02842fSSascha Wildner /* Local prototypes */
1730d02842fSSascha Wildner
1740d02842fSSascha Wildner static ACPI_STATUS
1750d02842fSSascha Wildner AcpiDmFindOrphanDescending (
1760d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op,
1770d02842fSSascha Wildner UINT32 Level,
1780d02842fSSascha Wildner void *Context);
1790d02842fSSascha Wildner
1800d02842fSSascha Wildner static ACPI_STATUS
1810d02842fSSascha Wildner AcpiDmDumpDescending (
1820d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op,
1830d02842fSSascha Wildner UINT32 Level,
1840d02842fSSascha Wildner void *Context);
1850d02842fSSascha Wildner
1860d02842fSSascha Wildner static ACPI_STATUS
1870d02842fSSascha Wildner AcpiDmXrefDescendingOp (
1880d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op,
1890d02842fSSascha Wildner UINT32 Level,
1900d02842fSSascha Wildner void *Context);
1910d02842fSSascha Wildner
1920d02842fSSascha Wildner static ACPI_STATUS
1930d02842fSSascha Wildner AcpiDmCommonAscendingOp (
1940d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op,
1950d02842fSSascha Wildner UINT32 Level,
1960d02842fSSascha Wildner void *Context);
1970d02842fSSascha Wildner
1980d02842fSSascha Wildner static ACPI_STATUS
1990d02842fSSascha Wildner AcpiDmLoadDescendingOp (
2000d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op,
2010d02842fSSascha Wildner UINT32 Level,
2020d02842fSSascha Wildner void *Context);
2030d02842fSSascha Wildner
2040d02842fSSascha Wildner static UINT32
2050d02842fSSascha Wildner AcpiDmInspectPossibleArgs (
2060d02842fSSascha Wildner UINT32 CurrentOpArgCount,
2070d02842fSSascha Wildner UINT32 TargetCount,
2080d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op);
2090d02842fSSascha Wildner
2100d02842fSSascha Wildner static ACPI_STATUS
2111093ca81SSascha Wildner AcpiDmCommonDescendingOp (
2120d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op,
2130d02842fSSascha Wildner UINT32 Level,
2140d02842fSSascha Wildner void *Context);
2150d02842fSSascha Wildner
2161093ca81SSascha Wildner static ACPI_STATUS
2171093ca81SSascha Wildner AcpiDmProcessResourceDescriptors (
2181093ca81SSascha Wildner ACPI_PARSE_OBJECT *Op,
2191093ca81SSascha Wildner UINT32 Level,
2201093ca81SSascha Wildner void *Context);
2210d02842fSSascha Wildner
2220d02842fSSascha Wildner /*******************************************************************************
2230d02842fSSascha Wildner *
2240d02842fSSascha Wildner * FUNCTION: AcpiDmDumpTree
2250d02842fSSascha Wildner *
2260d02842fSSascha Wildner * PARAMETERS: Origin - Starting object
2270d02842fSSascha Wildner *
2280d02842fSSascha Wildner * RETURN: None
2290d02842fSSascha Wildner *
2300d02842fSSascha Wildner * DESCRIPTION: Parse tree walk to format and output the nodes
2310d02842fSSascha Wildner *
2320d02842fSSascha Wildner ******************************************************************************/
2330d02842fSSascha Wildner
2340d02842fSSascha Wildner void
AcpiDmDumpTree(ACPI_PARSE_OBJECT * Origin)2350d02842fSSascha Wildner AcpiDmDumpTree (
2360d02842fSSascha Wildner ACPI_PARSE_OBJECT *Origin)
2370d02842fSSascha Wildner {
2380d02842fSSascha Wildner ACPI_OP_WALK_INFO Info;
2390d02842fSSascha Wildner
2400d02842fSSascha Wildner
2410d02842fSSascha Wildner if (!Origin)
2420d02842fSSascha Wildner {
2430d02842fSSascha Wildner return;
2440d02842fSSascha Wildner }
2450d02842fSSascha Wildner
2460d02842fSSascha Wildner AcpiOsPrintf ("/*\nAML Parse Tree\n\n");
2470d02842fSSascha Wildner Info.Flags = 0;
2480d02842fSSascha Wildner Info.Count = 0;
2490d02842fSSascha Wildner Info.Level = 0;
2500d02842fSSascha Wildner Info.WalkState = NULL;
251820c5b08SSascha Wildner
2520d02842fSSascha Wildner AcpiDmWalkParseTree (Origin, AcpiDmDumpDescending, NULL, &Info);
2530d02842fSSascha Wildner AcpiOsPrintf ("*/\n\n");
2540d02842fSSascha Wildner }
2550d02842fSSascha Wildner
2560d02842fSSascha Wildner
2570d02842fSSascha Wildner /*******************************************************************************
2580d02842fSSascha Wildner *
2590d02842fSSascha Wildner * FUNCTION: AcpiDmFindOrphanMethods
2600d02842fSSascha Wildner *
2610d02842fSSascha Wildner * PARAMETERS: Origin - Starting object
2620d02842fSSascha Wildner *
2630d02842fSSascha Wildner * RETURN: None
2640d02842fSSascha Wildner *
2650d02842fSSascha Wildner * DESCRIPTION: Parse tree walk to find "orphaned" method invocations -- methods
2660d02842fSSascha Wildner * that are not resolved in the namespace
2670d02842fSSascha Wildner *
2680d02842fSSascha Wildner ******************************************************************************/
2690d02842fSSascha Wildner
2700d02842fSSascha Wildner void
AcpiDmFindOrphanMethods(ACPI_PARSE_OBJECT * Origin)2710d02842fSSascha Wildner AcpiDmFindOrphanMethods (
2720d02842fSSascha Wildner ACPI_PARSE_OBJECT *Origin)
2730d02842fSSascha Wildner {
2740d02842fSSascha Wildner ACPI_OP_WALK_INFO Info;
2750d02842fSSascha Wildner
2760d02842fSSascha Wildner
2770d02842fSSascha Wildner if (!Origin)
2780d02842fSSascha Wildner {
2790d02842fSSascha Wildner return;
2800d02842fSSascha Wildner }
2810d02842fSSascha Wildner
2820d02842fSSascha Wildner Info.Flags = 0;
2830d02842fSSascha Wildner Info.Level = 0;
2840d02842fSSascha Wildner Info.WalkState = NULL;
285820c5b08SSascha Wildner
2860d02842fSSascha Wildner AcpiDmWalkParseTree (Origin, AcpiDmFindOrphanDescending, NULL, &Info);
2870d02842fSSascha Wildner }
2880d02842fSSascha Wildner
2890d02842fSSascha Wildner
2900d02842fSSascha Wildner /*******************************************************************************
2910d02842fSSascha Wildner *
2920d02842fSSascha Wildner * FUNCTION: AcpiDmFinishNamespaceLoad
2930d02842fSSascha Wildner *
2940d02842fSSascha Wildner * PARAMETERS: ParseTreeRoot - Root of the parse tree
2950d02842fSSascha Wildner * NamespaceRoot - Root of the internal namespace
2960d02842fSSascha Wildner * OwnerId - OwnerId of the table to be disassembled
2970d02842fSSascha Wildner *
2980d02842fSSascha Wildner * RETURN: None
2990d02842fSSascha Wildner *
3000d02842fSSascha Wildner * DESCRIPTION: Load all namespace items that are created within control
3010d02842fSSascha Wildner * methods. Used before namespace cross reference
3020d02842fSSascha Wildner *
3030d02842fSSascha Wildner ******************************************************************************/
3040d02842fSSascha Wildner
3050d02842fSSascha Wildner void
AcpiDmFinishNamespaceLoad(ACPI_PARSE_OBJECT * ParseTreeRoot,ACPI_NAMESPACE_NODE * NamespaceRoot,ACPI_OWNER_ID OwnerId)3060d02842fSSascha Wildner AcpiDmFinishNamespaceLoad (
3070d02842fSSascha Wildner ACPI_PARSE_OBJECT *ParseTreeRoot,
3080d02842fSSascha Wildner ACPI_NAMESPACE_NODE *NamespaceRoot,
3090d02842fSSascha Wildner ACPI_OWNER_ID OwnerId)
3100d02842fSSascha Wildner {
3110d02842fSSascha Wildner ACPI_STATUS Status;
3120d02842fSSascha Wildner ACPI_OP_WALK_INFO Info;
3130d02842fSSascha Wildner ACPI_WALK_STATE *WalkState;
3140d02842fSSascha Wildner
3150d02842fSSascha Wildner
3160d02842fSSascha Wildner if (!ParseTreeRoot)
3170d02842fSSascha Wildner {
3180d02842fSSascha Wildner return;
3190d02842fSSascha Wildner }
3200d02842fSSascha Wildner
3210d02842fSSascha Wildner /* Create and initialize a new walk state */
3220d02842fSSascha Wildner
3230d02842fSSascha Wildner WalkState = AcpiDsCreateWalkState (OwnerId, ParseTreeRoot, NULL, NULL);
3240d02842fSSascha Wildner if (!WalkState)
3250d02842fSSascha Wildner {
3260d02842fSSascha Wildner return;
3270d02842fSSascha Wildner }
3280d02842fSSascha Wildner
329820c5b08SSascha Wildner Status = AcpiDsScopeStackPush (NamespaceRoot, NamespaceRoot->Type,
330820c5b08SSascha Wildner WalkState);
3310d02842fSSascha Wildner if (ACPI_FAILURE (Status))
3320d02842fSSascha Wildner {
3330d02842fSSascha Wildner return;
3340d02842fSSascha Wildner }
3350d02842fSSascha Wildner
3360d02842fSSascha Wildner Info.Flags = 0;
3370d02842fSSascha Wildner Info.Level = 0;
3380d02842fSSascha Wildner Info.WalkState = WalkState;
339820c5b08SSascha Wildner
3400d02842fSSascha Wildner AcpiDmWalkParseTree (ParseTreeRoot, AcpiDmLoadDescendingOp,
3410d02842fSSascha Wildner AcpiDmCommonAscendingOp, &Info);
3420d02842fSSascha Wildner ACPI_FREE (WalkState);
3430d02842fSSascha Wildner }
3440d02842fSSascha Wildner
3450d02842fSSascha Wildner
3460d02842fSSascha Wildner /*******************************************************************************
3470d02842fSSascha Wildner *
3480d02842fSSascha Wildner * FUNCTION: AcpiDmCrossReferenceNamespace
3490d02842fSSascha Wildner *
3500d02842fSSascha Wildner * PARAMETERS: ParseTreeRoot - Root of the parse tree
3510d02842fSSascha Wildner * NamespaceRoot - Root of the internal namespace
3520d02842fSSascha Wildner * OwnerId - OwnerId of the table to be disassembled
3530d02842fSSascha Wildner *
3540d02842fSSascha Wildner * RETURN: None
3550d02842fSSascha Wildner *
3560d02842fSSascha Wildner * DESCRIPTION: Cross reference the namespace to create externals
3570d02842fSSascha Wildner *
3580d02842fSSascha Wildner ******************************************************************************/
3590d02842fSSascha Wildner
3600d02842fSSascha Wildner void
AcpiDmCrossReferenceNamespace(ACPI_PARSE_OBJECT * ParseTreeRoot,ACPI_NAMESPACE_NODE * NamespaceRoot,ACPI_OWNER_ID OwnerId)3610d02842fSSascha Wildner AcpiDmCrossReferenceNamespace (
3620d02842fSSascha Wildner ACPI_PARSE_OBJECT *ParseTreeRoot,
3630d02842fSSascha Wildner ACPI_NAMESPACE_NODE *NamespaceRoot,
3640d02842fSSascha Wildner ACPI_OWNER_ID OwnerId)
3650d02842fSSascha Wildner {
3660d02842fSSascha Wildner ACPI_STATUS Status;
3670d02842fSSascha Wildner ACPI_OP_WALK_INFO Info;
3680d02842fSSascha Wildner ACPI_WALK_STATE *WalkState;
3690d02842fSSascha Wildner
3700d02842fSSascha Wildner
3710d02842fSSascha Wildner if (!ParseTreeRoot)
3720d02842fSSascha Wildner {
3730d02842fSSascha Wildner return;
3740d02842fSSascha Wildner }
3750d02842fSSascha Wildner
3760d02842fSSascha Wildner /* Create and initialize a new walk state */
3770d02842fSSascha Wildner
3780d02842fSSascha Wildner WalkState = AcpiDsCreateWalkState (OwnerId, ParseTreeRoot, NULL, NULL);
3790d02842fSSascha Wildner if (!WalkState)
3800d02842fSSascha Wildner {
3810d02842fSSascha Wildner return;
3820d02842fSSascha Wildner }
3830d02842fSSascha Wildner
384820c5b08SSascha Wildner Status = AcpiDsScopeStackPush (NamespaceRoot, NamespaceRoot->Type,
385820c5b08SSascha Wildner WalkState);
3860d02842fSSascha Wildner if (ACPI_FAILURE (Status))
3870d02842fSSascha Wildner {
3880d02842fSSascha Wildner return;
3890d02842fSSascha Wildner }
3900d02842fSSascha Wildner
3910d02842fSSascha Wildner Info.Flags = 0;
3920d02842fSSascha Wildner Info.Level = 0;
3930d02842fSSascha Wildner Info.WalkState = WalkState;
394820c5b08SSascha Wildner
3950d02842fSSascha Wildner AcpiDmWalkParseTree (ParseTreeRoot, AcpiDmXrefDescendingOp,
3960d02842fSSascha Wildner AcpiDmCommonAscendingOp, &Info);
3970d02842fSSascha Wildner ACPI_FREE (WalkState);
3980d02842fSSascha Wildner }
3990d02842fSSascha Wildner
4000d02842fSSascha Wildner
4010d02842fSSascha Wildner /*******************************************************************************
4020d02842fSSascha Wildner *
4031093ca81SSascha Wildner * FUNCTION: AcpiDmConvertParseObjects
4040d02842fSSascha Wildner *
4050d02842fSSascha Wildner * PARAMETERS: ParseTreeRoot - Root of the parse tree
4060d02842fSSascha Wildner * NamespaceRoot - Root of the internal namespace
4070d02842fSSascha Wildner *
4080d02842fSSascha Wildner * RETURN: None
4090d02842fSSascha Wildner *
4101093ca81SSascha Wildner * DESCRIPTION: Begin parse tree walk to perform conversions needed for
4111093ca81SSascha Wildner * disassembly. These include resource descriptors and switch/case
4121093ca81SSascha Wildner * operations.
4130d02842fSSascha Wildner *
4140d02842fSSascha Wildner ******************************************************************************/
4150d02842fSSascha Wildner
4160d02842fSSascha Wildner void
AcpiDmConvertParseObjects(ACPI_PARSE_OBJECT * ParseTreeRoot,ACPI_NAMESPACE_NODE * NamespaceRoot)4171093ca81SSascha Wildner AcpiDmConvertParseObjects (
4180d02842fSSascha Wildner ACPI_PARSE_OBJECT *ParseTreeRoot,
4190d02842fSSascha Wildner ACPI_NAMESPACE_NODE *NamespaceRoot)
4200d02842fSSascha Wildner {
4210d02842fSSascha Wildner ACPI_STATUS Status;
4220d02842fSSascha Wildner ACPI_OP_WALK_INFO Info;
4230d02842fSSascha Wildner ACPI_WALK_STATE *WalkState;
4240d02842fSSascha Wildner
4250d02842fSSascha Wildner
4260d02842fSSascha Wildner if (!ParseTreeRoot)
4270d02842fSSascha Wildner {
4280d02842fSSascha Wildner return;
4290d02842fSSascha Wildner }
4300d02842fSSascha Wildner
4310d02842fSSascha Wildner /* Create and initialize a new walk state */
4320d02842fSSascha Wildner
4330d02842fSSascha Wildner WalkState = AcpiDsCreateWalkState (0, ParseTreeRoot, NULL, NULL);
4340d02842fSSascha Wildner if (!WalkState)
4350d02842fSSascha Wildner {
4360d02842fSSascha Wildner return;
4370d02842fSSascha Wildner }
4380d02842fSSascha Wildner
439820c5b08SSascha Wildner Status = AcpiDsScopeStackPush (NamespaceRoot, NamespaceRoot->Type,
440820c5b08SSascha Wildner WalkState);
4410d02842fSSascha Wildner if (ACPI_FAILURE (Status))
4420d02842fSSascha Wildner {
4432ffe9f16SSascha Wildner ACPI_FREE (WalkState);
4440d02842fSSascha Wildner return;
4450d02842fSSascha Wildner }
4460d02842fSSascha Wildner
4470d02842fSSascha Wildner Info.Flags = 0;
4480d02842fSSascha Wildner Info.Level = 0;
4490d02842fSSascha Wildner Info.WalkState = WalkState;
450820c5b08SSascha Wildner
4511093ca81SSascha Wildner AcpiDmWalkParseTree (ParseTreeRoot, AcpiDmCommonDescendingOp,
4520d02842fSSascha Wildner AcpiDmCommonAscendingOp, &Info);
4530d02842fSSascha Wildner ACPI_FREE (WalkState);
4541093ca81SSascha Wildner
4551093ca81SSascha Wildner if (AcpiGbl_TempListHead) {
4561093ca81SSascha Wildner AcpiDmClearTempList();
4571093ca81SSascha Wildner }
4581093ca81SSascha Wildner
4590d02842fSSascha Wildner return;
4600d02842fSSascha Wildner }
4610d02842fSSascha Wildner
4620d02842fSSascha Wildner
4630d02842fSSascha Wildner /*******************************************************************************
4640d02842fSSascha Wildner *
4650d02842fSSascha Wildner * FUNCTION: AcpiDmDumpDescending
4660d02842fSSascha Wildner *
4670d02842fSSascha Wildner * PARAMETERS: ASL_WALK_CALLBACK
4680d02842fSSascha Wildner *
4690d02842fSSascha Wildner * RETURN: Status
4700d02842fSSascha Wildner *
4710d02842fSSascha Wildner * DESCRIPTION: Format and print contents of one parse Op.
4720d02842fSSascha Wildner *
4730d02842fSSascha Wildner ******************************************************************************/
4740d02842fSSascha Wildner
4750d02842fSSascha Wildner static ACPI_STATUS
AcpiDmDumpDescending(ACPI_PARSE_OBJECT * Op,UINT32 Level,void * Context)4760d02842fSSascha Wildner AcpiDmDumpDescending (
4770d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op,
4780d02842fSSascha Wildner UINT32 Level,
4790d02842fSSascha Wildner void *Context)
4800d02842fSSascha Wildner {
4810d02842fSSascha Wildner ACPI_OP_WALK_INFO *Info = Context;
4820d02842fSSascha Wildner char *Path;
483e5412f1eSSascha Wildner ACPI_STATUS Status;
4840d02842fSSascha Wildner
4850d02842fSSascha Wildner
4860d02842fSSascha Wildner if (!Op)
4870d02842fSSascha Wildner {
4880d02842fSSascha Wildner return (AE_OK);
4890d02842fSSascha Wildner }
4900d02842fSSascha Wildner
4910d02842fSSascha Wildner /* Most of the information (count, level, name) here */
4920d02842fSSascha Wildner
4930d02842fSSascha Wildner Info->Count++;
4940d02842fSSascha Wildner AcpiOsPrintf ("% 5d [%2.2d] ", Info->Count, Level);
4950d02842fSSascha Wildner AcpiDmIndent (Level);
4960d02842fSSascha Wildner AcpiOsPrintf ("%-28s", AcpiPsGetOpcodeName (Op->Common.AmlOpcode));
4970d02842fSSascha Wildner
4980d02842fSSascha Wildner /* Extra info is helpful */
4990d02842fSSascha Wildner
5000d02842fSSascha Wildner switch (Op->Common.AmlOpcode)
5010d02842fSSascha Wildner {
5020d02842fSSascha Wildner case AML_BYTE_OP:
5030d02842fSSascha Wildner
5040d02842fSSascha Wildner AcpiOsPrintf ("%2.2X", (UINT32) Op->Common.Value.Integer);
5050d02842fSSascha Wildner break;
5060d02842fSSascha Wildner
5070d02842fSSascha Wildner case AML_WORD_OP:
5080d02842fSSascha Wildner
5090d02842fSSascha Wildner AcpiOsPrintf ("%4.4X", (UINT32) Op->Common.Value.Integer);
5100d02842fSSascha Wildner break;
5110d02842fSSascha Wildner
5120d02842fSSascha Wildner case AML_DWORD_OP:
5130d02842fSSascha Wildner
5140d02842fSSascha Wildner AcpiOsPrintf ("%8.8X", (UINT32) Op->Common.Value.Integer);
5150d02842fSSascha Wildner break;
5160d02842fSSascha Wildner
5170d02842fSSascha Wildner case AML_QWORD_OP:
5180d02842fSSascha Wildner
5190d02842fSSascha Wildner AcpiOsPrintf ("%8.8X%8.8X", ACPI_FORMAT_UINT64 (Op->Common.Value.Integer));
5200d02842fSSascha Wildner break;
5210d02842fSSascha Wildner
5220d02842fSSascha Wildner case AML_INT_NAMEPATH_OP:
5230d02842fSSascha Wildner
5240d02842fSSascha Wildner if (Op->Common.Value.String)
5250d02842fSSascha Wildner {
526e5412f1eSSascha Wildner Status = AcpiNsExternalizeName (ACPI_UINT32_MAX, Op->Common.Value.String,
5270d02842fSSascha Wildner NULL, &Path);
528e5412f1eSSascha Wildner if (ACPI_SUCCESS (Status))
529e5412f1eSSascha Wildner {
5300d02842fSSascha Wildner AcpiOsPrintf ("%s %p", Path, Op->Common.Node);
5310d02842fSSascha Wildner ACPI_FREE (Path);
5320d02842fSSascha Wildner }
5330d02842fSSascha Wildner else
5340d02842fSSascha Wildner {
535e5412f1eSSascha Wildner AcpiOsPrintf ("Could not externalize pathname for node [%4.4s]",
536e5412f1eSSascha Wildner Op->Common.Node->Name.Ascii);
537e5412f1eSSascha Wildner }
538e5412f1eSSascha Wildner }
539e5412f1eSSascha Wildner else
540e5412f1eSSascha Wildner {
5410d02842fSSascha Wildner AcpiOsPrintf ("[NULL]");
5420d02842fSSascha Wildner }
5430d02842fSSascha Wildner break;
5440d02842fSSascha Wildner
5450d02842fSSascha Wildner case AML_NAME_OP:
5460d02842fSSascha Wildner case AML_METHOD_OP:
5470d02842fSSascha Wildner case AML_DEVICE_OP:
5481093ca81SSascha Wildner
5491093ca81SSascha Wildner AcpiOsPrintf ("%4.4s",
5501093ca81SSascha Wildner ACPI_CAST_PTR (char, &Op->Named.Name));
5511093ca81SSascha Wildner break;
5521093ca81SSascha Wildner
5530d02842fSSascha Wildner case AML_INT_NAMEDFIELD_OP:
5540d02842fSSascha Wildner
5551093ca81SSascha Wildner AcpiOsPrintf ("%4.4s Length: (bits) %8.8X%8.8X (bytes) %8.8X%8.8X",
5561093ca81SSascha Wildner ACPI_CAST_PTR (char, &Op->Named.Name),
5571093ca81SSascha Wildner ACPI_FORMAT_UINT64 (Op->Common.Value.Integer),
5581093ca81SSascha Wildner ACPI_FORMAT_UINT64 (Op->Common.Value.Integer / 8));
5590d02842fSSascha Wildner break;
5600d02842fSSascha Wildner
5611093ca81SSascha Wildner
5620d02842fSSascha Wildner default:
5630d02842fSSascha Wildner
5640d02842fSSascha Wildner break;
5650d02842fSSascha Wildner }
5660d02842fSSascha Wildner
5670d02842fSSascha Wildner AcpiOsPrintf ("\n");
5680d02842fSSascha Wildner return (AE_OK);
5690d02842fSSascha Wildner }
5700d02842fSSascha Wildner
5710d02842fSSascha Wildner
5720d02842fSSascha Wildner /*******************************************************************************
5730d02842fSSascha Wildner *
5740d02842fSSascha Wildner * FUNCTION: AcpiDmFindOrphanDescending
5750d02842fSSascha Wildner *
5760d02842fSSascha Wildner * PARAMETERS: ASL_WALK_CALLBACK
5770d02842fSSascha Wildner *
5780d02842fSSascha Wildner * RETURN: Status
5790d02842fSSascha Wildner *
5800d02842fSSascha Wildner * DESCRIPTION: Check namepath Ops for orphaned method invocations
5810d02842fSSascha Wildner *
5822ffe9f16SSascha Wildner * Note: Parts of this are experimental, under possible further development.
5830d02842fSSascha Wildner *
5840d02842fSSascha Wildner ******************************************************************************/
5850d02842fSSascha Wildner
5860d02842fSSascha Wildner static ACPI_STATUS
AcpiDmFindOrphanDescending(ACPI_PARSE_OBJECT * Op,UINT32 Level,void * Context)5870d02842fSSascha Wildner AcpiDmFindOrphanDescending (
5880d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op,
5890d02842fSSascha Wildner UINT32 Level,
5900d02842fSSascha Wildner void *Context)
5910d02842fSSascha Wildner {
5920d02842fSSascha Wildner const ACPI_OPCODE_INFO *OpInfo;
5930d02842fSSascha Wildner ACPI_PARSE_OBJECT *ChildOp;
5940d02842fSSascha Wildner ACPI_PARSE_OBJECT *NextOp;
5950d02842fSSascha Wildner ACPI_PARSE_OBJECT *ParentOp;
5960d02842fSSascha Wildner UINT32 ArgCount;
5970d02842fSSascha Wildner
5980d02842fSSascha Wildner
5990d02842fSSascha Wildner if (!Op)
6000d02842fSSascha Wildner {
6010d02842fSSascha Wildner return (AE_OK);
6020d02842fSSascha Wildner }
6030d02842fSSascha Wildner
604e5412f1eSSascha Wildner #ifdef ACPI_UNDER_DEVELOPMENT
6050d02842fSSascha Wildner OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
606e5412f1eSSascha Wildner #endif
6070d02842fSSascha Wildner
6080d02842fSSascha Wildner switch (Op->Common.AmlOpcode)
6090d02842fSSascha Wildner {
6100d02842fSSascha Wildner #ifdef ACPI_UNDER_DEVELOPMENT
6110d02842fSSascha Wildner case AML_ADD_OP:
6120d02842fSSascha Wildner
6130d02842fSSascha Wildner ChildOp = Op->Common.Value.Arg;
6140d02842fSSascha Wildner if ((ChildOp->Common.AmlOpcode == AML_INT_NAMEPATH_OP) &&
6150d02842fSSascha Wildner !ChildOp->Common.Node)
6160d02842fSSascha Wildner {
6170d02842fSSascha Wildner AcpiNsExternalizeName (ACPI_UINT32_MAX, ChildOp->Common.Value.String,
6180d02842fSSascha Wildner NULL, &Path);
6190d02842fSSascha Wildner AcpiOsPrintf ("/* %-16s A-NAMEPATH: %s */\n",
6200d02842fSSascha Wildner Op->Common.AmlOpName, Path);
6210d02842fSSascha Wildner ACPI_FREE (Path);
6220d02842fSSascha Wildner
6230d02842fSSascha Wildner NextOp = Op->Common.Next;
6240d02842fSSascha Wildner if (!NextOp)
6250d02842fSSascha Wildner {
6260d02842fSSascha Wildner /* This NamePath has no args, assume it is an integer */
6270d02842fSSascha Wildner
6280d02842fSSascha Wildner AcpiDmAddOpToExternalList (ChildOp,
6290d02842fSSascha Wildner ChildOp->Common.Value.String, ACPI_TYPE_INTEGER, 0, 0);
6300d02842fSSascha Wildner return (AE_OK);
6310d02842fSSascha Wildner }
6320d02842fSSascha Wildner
6330d02842fSSascha Wildner ArgCount = AcpiDmInspectPossibleArgs (3, 1, NextOp);
6340d02842fSSascha Wildner AcpiOsPrintf ("/* A-CHILDREN: %u Actual %u */\n",
6350d02842fSSascha Wildner ArgCount, AcpiDmCountChildren (Op));
6360d02842fSSascha Wildner
6370d02842fSSascha Wildner if (ArgCount < 1)
6380d02842fSSascha Wildner {
6390d02842fSSascha Wildner /* One Arg means this is just a Store(Name,Target) */
6400d02842fSSascha Wildner
6410d02842fSSascha Wildner AcpiDmAddOpToExternalList (ChildOp,
6420d02842fSSascha Wildner ChildOp->Common.Value.String, ACPI_TYPE_INTEGER, 0, 0);
6430d02842fSSascha Wildner return (AE_OK);
6440d02842fSSascha Wildner }
6450d02842fSSascha Wildner
6460d02842fSSascha Wildner AcpiDmAddOpToExternalList (ChildOp,
6470d02842fSSascha Wildner ChildOp->Common.Value.String, ACPI_TYPE_METHOD, ArgCount, 0);
6480d02842fSSascha Wildner }
6490d02842fSSascha Wildner break;
6502ffe9f16SSascha Wildner
6510d02842fSSascha Wildner #endif
6520d02842fSSascha Wildner
6530d02842fSSascha Wildner case AML_STORE_OP:
6540d02842fSSascha Wildner
6550d02842fSSascha Wildner ChildOp = Op->Common.Value.Arg;
6560d02842fSSascha Wildner if ((ChildOp->Common.AmlOpcode == AML_INT_NAMEPATH_OP) &&
6570d02842fSSascha Wildner !ChildOp->Common.Node)
6580d02842fSSascha Wildner {
6590d02842fSSascha Wildner NextOp = Op->Common.Next;
6600d02842fSSascha Wildner if (!NextOp)
6610d02842fSSascha Wildner {
6620d02842fSSascha Wildner /* This NamePath has no args, assume it is an integer */
6630d02842fSSascha Wildner
6640d02842fSSascha Wildner AcpiDmAddOpToExternalList (ChildOp,
6650d02842fSSascha Wildner ChildOp->Common.Value.String, ACPI_TYPE_INTEGER, 0, 0);
6660d02842fSSascha Wildner return (AE_OK);
6670d02842fSSascha Wildner }
6680d02842fSSascha Wildner
6690d02842fSSascha Wildner ArgCount = AcpiDmInspectPossibleArgs (2, 1, NextOp);
6700d02842fSSascha Wildner if (ArgCount <= 1)
6710d02842fSSascha Wildner {
6720d02842fSSascha Wildner /* One Arg means this is just a Store(Name,Target) */
6730d02842fSSascha Wildner
6740d02842fSSascha Wildner AcpiDmAddOpToExternalList (ChildOp,
6752ffe9f16SSascha Wildner ChildOp->Common.Value.String, ACPI_TYPE_INTEGER, ArgCount, 0);
6760d02842fSSascha Wildner return (AE_OK);
6770d02842fSSascha Wildner }
6780d02842fSSascha Wildner
6790d02842fSSascha Wildner AcpiDmAddOpToExternalList (ChildOp,
6800d02842fSSascha Wildner ChildOp->Common.Value.String, ACPI_TYPE_METHOD, ArgCount, 0);
6810d02842fSSascha Wildner }
6820d02842fSSascha Wildner break;
6830d02842fSSascha Wildner
6840d02842fSSascha Wildner case AML_INT_NAMEPATH_OP:
6850d02842fSSascha Wildner
6860d02842fSSascha Wildner /* Must examine parent to see if this namepath is an argument */
6870d02842fSSascha Wildner
6880d02842fSSascha Wildner ParentOp = Op->Common.Parent;
6890d02842fSSascha Wildner OpInfo = AcpiPsGetOpcodeInfo (ParentOp->Common.AmlOpcode);
6900d02842fSSascha Wildner
6910d02842fSSascha Wildner if ((OpInfo->Class != AML_CLASS_EXECUTE) &&
6920d02842fSSascha Wildner (OpInfo->Class != AML_CLASS_CREATE) &&
6930d02842fSSascha Wildner (OpInfo->ObjectType != ACPI_TYPE_LOCAL_ALIAS) &&
6940d02842fSSascha Wildner (ParentOp->Common.AmlOpcode != AML_INT_METHODCALL_OP) &&
6950d02842fSSascha Wildner !Op->Common.Node)
6960d02842fSSascha Wildner {
6972ffe9f16SSascha Wildner ArgCount = AcpiDmInspectPossibleArgs (0, 0, Op);
6980d02842fSSascha Wildner
6990d02842fSSascha Wildner /*
7000d02842fSSascha Wildner * Check if namepath is a predicate for if/while or lone parameter to
7010d02842fSSascha Wildner * a return.
7020d02842fSSascha Wildner */
7030d02842fSSascha Wildner if (ArgCount == 0)
7040d02842fSSascha Wildner {
7050d02842fSSascha Wildner if (((ParentOp->Common.AmlOpcode == AML_IF_OP) ||
7060d02842fSSascha Wildner (ParentOp->Common.AmlOpcode == AML_WHILE_OP) ||
7070d02842fSSascha Wildner (ParentOp->Common.AmlOpcode == AML_RETURN_OP)) &&
7080d02842fSSascha Wildner
7090d02842fSSascha Wildner /* And namepath is the first argument */
7100d02842fSSascha Wildner (ParentOp->Common.Value.Arg == Op))
7110d02842fSSascha Wildner {
7120d02842fSSascha Wildner AcpiDmAddOpToExternalList (Op,
7130d02842fSSascha Wildner Op->Common.Value.String, ACPI_TYPE_INTEGER, 0, 0);
7140d02842fSSascha Wildner break;
7150d02842fSSascha Wildner }
7160d02842fSSascha Wildner }
7170d02842fSSascha Wildner
7180d02842fSSascha Wildner /*
7190d02842fSSascha Wildner * This is a standalone namestring (not a parameter to another
7200d02842fSSascha Wildner * operator) - it *must* be a method invocation, nothing else is
7210d02842fSSascha Wildner * grammatically possible.
7220d02842fSSascha Wildner */
7230d02842fSSascha Wildner AcpiDmAddOpToExternalList (Op,
7240d02842fSSascha Wildner Op->Common.Value.String, ACPI_TYPE_METHOD, ArgCount, 0);
7250d02842fSSascha Wildner }
7260d02842fSSascha Wildner break;
7270d02842fSSascha Wildner
7280d02842fSSascha Wildner default:
7290d02842fSSascha Wildner
7300d02842fSSascha Wildner break;
7310d02842fSSascha Wildner }
7320d02842fSSascha Wildner
7330d02842fSSascha Wildner return (AE_OK);
7340d02842fSSascha Wildner }
7350d02842fSSascha Wildner
7360d02842fSSascha Wildner
7370d02842fSSascha Wildner /*******************************************************************************
7380d02842fSSascha Wildner *
7390d02842fSSascha Wildner * FUNCTION: AcpiDmLoadDescendingOp
7400d02842fSSascha Wildner *
7410d02842fSSascha Wildner * PARAMETERS: ASL_WALK_CALLBACK
7420d02842fSSascha Wildner *
7430d02842fSSascha Wildner * RETURN: Status
7440d02842fSSascha Wildner *
7450d02842fSSascha Wildner * DESCRIPTION: Descending handler for namespace control method object load
7460d02842fSSascha Wildner *
7470d02842fSSascha Wildner ******************************************************************************/
7480d02842fSSascha Wildner
7490d02842fSSascha Wildner static ACPI_STATUS
AcpiDmLoadDescendingOp(ACPI_PARSE_OBJECT * Op,UINT32 Level,void * Context)7500d02842fSSascha Wildner AcpiDmLoadDescendingOp (
7510d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op,
7520d02842fSSascha Wildner UINT32 Level,
7530d02842fSSascha Wildner void *Context)
7540d02842fSSascha Wildner {
7550d02842fSSascha Wildner ACPI_OP_WALK_INFO *Info = Context;
7560d02842fSSascha Wildner const ACPI_OPCODE_INFO *OpInfo;
7570d02842fSSascha Wildner ACPI_WALK_STATE *WalkState;
7580d02842fSSascha Wildner ACPI_OBJECT_TYPE ObjectType;
7590d02842fSSascha Wildner ACPI_STATUS Status;
7600d02842fSSascha Wildner char *Path = NULL;
7610d02842fSSascha Wildner ACPI_PARSE_OBJECT *NextOp;
7620d02842fSSascha Wildner ACPI_NAMESPACE_NODE *Node;
7630d02842fSSascha Wildner char FieldPath[5];
7640d02842fSSascha Wildner BOOLEAN PreDefined = FALSE;
7650d02842fSSascha Wildner UINT8 PreDefineIndex = 0;
7660d02842fSSascha Wildner
7670d02842fSSascha Wildner
7680d02842fSSascha Wildner WalkState = Info->WalkState;
7690d02842fSSascha Wildner OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
7700d02842fSSascha Wildner ObjectType = AslMapNamedOpcodeToDataType (Op->Asl.AmlOpcode);
7710d02842fSSascha Wildner
7720d02842fSSascha Wildner /* Only interested in operators that create new names */
7730d02842fSSascha Wildner
7740d02842fSSascha Wildner if (!(OpInfo->Flags & AML_NAMED) &&
7750d02842fSSascha Wildner !(OpInfo->Flags & AML_CREATE))
7760d02842fSSascha Wildner {
7770d02842fSSascha Wildner goto Exit;
7780d02842fSSascha Wildner }
7790d02842fSSascha Wildner
7800d02842fSSascha Wildner /* Get the NamePath from the appropriate place */
7810d02842fSSascha Wildner
7820d02842fSSascha Wildner if (OpInfo->Flags & AML_NAMED)
7830d02842fSSascha Wildner {
7840d02842fSSascha Wildner /* For all named operators, get the new name */
7850d02842fSSascha Wildner
7861093ca81SSascha Wildner Path = Op->Named.Path;
7870d02842fSSascha Wildner
7880d02842fSSascha Wildner if (!Path && Op->Common.AmlOpcode == AML_INT_NAMEDFIELD_OP)
7890d02842fSSascha Wildner {
7900d02842fSSascha Wildner *ACPI_CAST_PTR (UINT32, &FieldPath[0]) = Op->Named.Name;
7910d02842fSSascha Wildner FieldPath[4] = 0;
7920d02842fSSascha Wildner Path = FieldPath;
7930d02842fSSascha Wildner }
7940d02842fSSascha Wildner }
7950d02842fSSascha Wildner else if (OpInfo->Flags & AML_CREATE)
7960d02842fSSascha Wildner {
7970d02842fSSascha Wildner /* New name is the last child */
7980d02842fSSascha Wildner
7990d02842fSSascha Wildner NextOp = Op->Common.Value.Arg;
8000d02842fSSascha Wildner
8010d02842fSSascha Wildner while (NextOp->Common.Next)
8020d02842fSSascha Wildner {
8030d02842fSSascha Wildner NextOp = NextOp->Common.Next;
8040d02842fSSascha Wildner }
805820c5b08SSascha Wildner
8060d02842fSSascha Wildner Path = NextOp->Common.Value.String;
8070d02842fSSascha Wildner }
8080d02842fSSascha Wildner
8090d02842fSSascha Wildner if (!Path)
8100d02842fSSascha Wildner {
8110d02842fSSascha Wildner goto Exit;
8120d02842fSSascha Wildner }
8130d02842fSSascha Wildner
8140d02842fSSascha Wildner /* Insert the name into the namespace */
8150d02842fSSascha Wildner
8160d02842fSSascha Wildner Status = AcpiNsLookup (WalkState->ScopeInfo, Path, ObjectType,
8170d02842fSSascha Wildner ACPI_IMODE_LOAD_PASS2, ACPI_NS_DONT_OPEN_SCOPE,
8180d02842fSSascha Wildner WalkState, &Node);
8190d02842fSSascha Wildner
8200d02842fSSascha Wildner Op->Common.Node = Node;
8210d02842fSSascha Wildner
8220d02842fSSascha Wildner if (ACPI_SUCCESS (Status))
8230d02842fSSascha Wildner {
8240d02842fSSascha Wildner /* Check if it's a predefined node */
8250d02842fSSascha Wildner
8260d02842fSSascha Wildner while (AcpiGbl_PreDefinedNames[PreDefineIndex].Name)
8270d02842fSSascha Wildner {
828c1776041SSascha Wildner if (ACPI_COMPARE_NAMESEG (Node->Name.Ascii,
8290d02842fSSascha Wildner AcpiGbl_PreDefinedNames[PreDefineIndex].Name))
8300d02842fSSascha Wildner {
8310d02842fSSascha Wildner PreDefined = TRUE;
8320d02842fSSascha Wildner break;
8330d02842fSSascha Wildner }
8340d02842fSSascha Wildner
8350d02842fSSascha Wildner PreDefineIndex++;
8360d02842fSSascha Wildner }
8370d02842fSSascha Wildner
8380d02842fSSascha Wildner /*
8390d02842fSSascha Wildner * Set node owner id if it satisfies all the following conditions:
8400d02842fSSascha Wildner * 1) Not a predefined node, _SB_ etc
8410d02842fSSascha Wildner * 2) Not the root node
8420d02842fSSascha Wildner * 3) Not a node created by Scope
8430d02842fSSascha Wildner */
844e5412f1eSSascha Wildner if (!PreDefined &&
845e5412f1eSSascha Wildner (Node != AcpiGbl_RootNode) &&
846e5412f1eSSascha Wildner (Op->Common.AmlOpcode != AML_SCOPE_OP))
8470d02842fSSascha Wildner {
8480d02842fSSascha Wildner Node->OwnerId = WalkState->OwnerId;
8490d02842fSSascha Wildner }
8500d02842fSSascha Wildner }
8510d02842fSSascha Wildner
8520d02842fSSascha Wildner
8530d02842fSSascha Wildner Exit:
8540d02842fSSascha Wildner
8550d02842fSSascha Wildner if (AcpiNsOpensScope (ObjectType))
8560d02842fSSascha Wildner {
8570d02842fSSascha Wildner if (Op->Common.Node)
8580d02842fSSascha Wildner {
859820c5b08SSascha Wildner Status = AcpiDsScopeStackPush (Op->Common.Node, ObjectType,
860820c5b08SSascha Wildner WalkState);
8610d02842fSSascha Wildner if (ACPI_FAILURE (Status))
8620d02842fSSascha Wildner {
8630d02842fSSascha Wildner return (Status);
8640d02842fSSascha Wildner }
8650d02842fSSascha Wildner }
8660d02842fSSascha Wildner }
8670d02842fSSascha Wildner
8680d02842fSSascha Wildner return (AE_OK);
8690d02842fSSascha Wildner }
8700d02842fSSascha Wildner
8710d02842fSSascha Wildner
8720d02842fSSascha Wildner /*******************************************************************************
8730d02842fSSascha Wildner *
8740d02842fSSascha Wildner * FUNCTION: AcpiDmXrefDescendingOp
8750d02842fSSascha Wildner *
8760d02842fSSascha Wildner * PARAMETERS: ASL_WALK_CALLBACK
8770d02842fSSascha Wildner *
8780d02842fSSascha Wildner * RETURN: Status
8790d02842fSSascha Wildner *
8800d02842fSSascha Wildner * DESCRIPTION: Descending handler for namespace cross reference
8810d02842fSSascha Wildner *
8820d02842fSSascha Wildner ******************************************************************************/
8830d02842fSSascha Wildner
8840d02842fSSascha Wildner static ACPI_STATUS
AcpiDmXrefDescendingOp(ACPI_PARSE_OBJECT * Op,UINT32 Level,void * Context)8850d02842fSSascha Wildner AcpiDmXrefDescendingOp (
8860d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op,
8870d02842fSSascha Wildner UINT32 Level,
8880d02842fSSascha Wildner void *Context)
8890d02842fSSascha Wildner {
8900d02842fSSascha Wildner ACPI_OP_WALK_INFO *Info = Context;
8910d02842fSSascha Wildner const ACPI_OPCODE_INFO *OpInfo;
8920d02842fSSascha Wildner ACPI_WALK_STATE *WalkState;
8930d02842fSSascha Wildner ACPI_OBJECT_TYPE ObjectType;
8940d02842fSSascha Wildner ACPI_OBJECT_TYPE ObjectType2;
8950d02842fSSascha Wildner ACPI_STATUS Status;
8960d02842fSSascha Wildner char *Path = NULL;
8970d02842fSSascha Wildner ACPI_PARSE_OBJECT *NextOp;
8980d02842fSSascha Wildner ACPI_NAMESPACE_NODE *Node;
8990d02842fSSascha Wildner ACPI_OPERAND_OBJECT *Object;
9000d02842fSSascha Wildner UINT32 ParamCount = 0;
9010d02842fSSascha Wildner char *Pathname;
9027c9678bcSSascha Wildner UINT16 Flags = 0;
9030d02842fSSascha Wildner
9040d02842fSSascha Wildner
9050d02842fSSascha Wildner WalkState = Info->WalkState;
9060d02842fSSascha Wildner OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
9070d02842fSSascha Wildner ObjectType = AslMapNamedOpcodeToDataType (Op->Asl.AmlOpcode);
9080d02842fSSascha Wildner
9090d02842fSSascha Wildner if ((!(OpInfo->Flags & AML_NAMED)) &&
9100d02842fSSascha Wildner (!(OpInfo->Flags & AML_CREATE)) &&
911d4972a9cSSascha Wildner (Op->Common.AmlOpcode != AML_INT_NAMEPATH_OP) &&
912d4972a9cSSascha Wildner (Op->Common.AmlOpcode != AML_NOTIFY_OP))
9130d02842fSSascha Wildner {
9140d02842fSSascha Wildner goto Exit;
9150d02842fSSascha Wildner }
916d4972a9cSSascha Wildner
9170d02842fSSascha Wildner /* Get the NamePath from the appropriate place */
9180d02842fSSascha Wildner
9190d02842fSSascha Wildner if (OpInfo->Flags & AML_NAMED)
9200d02842fSSascha Wildner {
9210d02842fSSascha Wildner /*
9220d02842fSSascha Wildner * Only these two operators (Alias, Scope) refer to an existing
9230d02842fSSascha Wildner * name, it is the first argument
9240d02842fSSascha Wildner */
9250d02842fSSascha Wildner if (Op->Common.AmlOpcode == AML_ALIAS_OP)
9260d02842fSSascha Wildner {
9270d02842fSSascha Wildner ObjectType = ACPI_TYPE_ANY;
9280d02842fSSascha Wildner
9290d02842fSSascha Wildner NextOp = Op->Common.Value.Arg;
9300d02842fSSascha Wildner NextOp = NextOp->Common.Value.Arg;
9310d02842fSSascha Wildner if (NextOp->Common.AmlOpcode == AML_INT_NAMEPATH_OP)
9320d02842fSSascha Wildner {
9330d02842fSSascha Wildner Path = NextOp->Common.Value.String;
9340d02842fSSascha Wildner }
9350d02842fSSascha Wildner }
9361093ca81SSascha Wildner else if (Op->Common.AmlOpcode == AML_SCOPE_OP ||
9371093ca81SSascha Wildner Op->Common.AmlOpcode == AML_EXTERNAL_OP)
9380d02842fSSascha Wildner {
9391093ca81SSascha Wildner Path = Op->Named.Path;
9400d02842fSSascha Wildner }
9410d02842fSSascha Wildner }
9420d02842fSSascha Wildner else if (OpInfo->Flags & AML_CREATE)
9430d02842fSSascha Wildner {
9440d02842fSSascha Wildner /* Referenced Buffer Name is the first child */
9450d02842fSSascha Wildner
9460d02842fSSascha Wildner ObjectType = ACPI_TYPE_BUFFER; /* Change from TYPE_BUFFER_FIELD */
9470d02842fSSascha Wildner
9480d02842fSSascha Wildner NextOp = Op->Common.Value.Arg;
9490d02842fSSascha Wildner if (NextOp->Common.AmlOpcode == AML_INT_NAMEPATH_OP)
9500d02842fSSascha Wildner {
9510d02842fSSascha Wildner Path = NextOp->Common.Value.String;
9520d02842fSSascha Wildner }
9530d02842fSSascha Wildner }
954d4972a9cSSascha Wildner else if (Op->Common.AmlOpcode == AML_NOTIFY_OP)
955d4972a9cSSascha Wildner {
956d4972a9cSSascha Wildner Path = Op->Common.Value.Arg->Asl.Value.String;
957d4972a9cSSascha Wildner }
9580d02842fSSascha Wildner else
9590d02842fSSascha Wildner {
9600d02842fSSascha Wildner Path = Op->Common.Value.String;
9610d02842fSSascha Wildner }
9620d02842fSSascha Wildner
9630d02842fSSascha Wildner if (!Path)
9640d02842fSSascha Wildner {
9650d02842fSSascha Wildner goto Exit;
9660d02842fSSascha Wildner }
9670d02842fSSascha Wildner
9680d02842fSSascha Wildner /*
9690d02842fSSascha Wildner * Lookup the name in the namespace. Name must exist at this point, or it
9700d02842fSSascha Wildner * is an invalid reference.
9710d02842fSSascha Wildner *
9720d02842fSSascha Wildner * The namespace is also used as a lookup table for references to resource
9730d02842fSSascha Wildner * descriptors and the fields within them.
9740d02842fSSascha Wildner */
9750d02842fSSascha Wildner Node = NULL;
9760d02842fSSascha Wildner Status = AcpiNsLookup (WalkState->ScopeInfo, Path, ACPI_TYPE_ANY,
9770d02842fSSascha Wildner ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE,
9780d02842fSSascha Wildner WalkState, &Node);
9792ffe9f16SSascha Wildner
9800d02842fSSascha Wildner if (ACPI_SUCCESS (Status) && (Node->Flags & ANOBJ_IS_EXTERNAL))
9810d02842fSSascha Wildner {
9820d02842fSSascha Wildner /* Node was created by an External() statement */
9830d02842fSSascha Wildner
9840d02842fSSascha Wildner Status = AE_NOT_FOUND;
9850d02842fSSascha Wildner }
9860d02842fSSascha Wildner
9870d02842fSSascha Wildner if (ACPI_FAILURE (Status))
9880d02842fSSascha Wildner {
9890d02842fSSascha Wildner if (Status == AE_NOT_FOUND)
9900d02842fSSascha Wildner {
9910d02842fSSascha Wildner /*
9920d02842fSSascha Wildner * Add this symbol as an external declaration, except if the
9930d02842fSSascha Wildner * parent is a CondRefOf operator. For this operator, we do not
9940d02842fSSascha Wildner * need an external, nor do we want one, since this can cause
9950d02842fSSascha Wildner * disassembly problems if the symbol is actually a control
9960d02842fSSascha Wildner * method.
9970d02842fSSascha Wildner */
9980d02842fSSascha Wildner if (!(Op->Asl.Parent &&
999d638c6eeSSascha Wildner (Op->Asl.Parent->Asl.AmlOpcode == AML_CONDITIONAL_REF_OF_OP)))
10000d02842fSSascha Wildner {
10010d02842fSSascha Wildner if (Node)
10020d02842fSSascha Wildner {
10030d02842fSSascha Wildner AcpiDmAddNodeToExternalList (Node,
10042ffe9f16SSascha Wildner (UINT8) ObjectType, 7, Flags);
10050d02842fSSascha Wildner }
10060d02842fSSascha Wildner else
10070d02842fSSascha Wildner {
10080d02842fSSascha Wildner AcpiDmAddOpToExternalList (Op, Path,
10092ffe9f16SSascha Wildner (UINT8) ObjectType, 7, Flags);
10100d02842fSSascha Wildner }
10110d02842fSSascha Wildner }
10120d02842fSSascha Wildner }
10130d02842fSSascha Wildner }
10140d02842fSSascha Wildner
10150d02842fSSascha Wildner /*
10160d02842fSSascha Wildner * Found the node, but check if it came from an external table.
10170d02842fSSascha Wildner * Add it to external list. Note: Node->OwnerId == 0 indicates
10180d02842fSSascha Wildner * one of the built-in ACPI Names (_OS_ etc.) which can safely
10190d02842fSSascha Wildner * be ignored.
10200d02842fSSascha Wildner */
10210d02842fSSascha Wildner else if (Node->OwnerId &&
10220d02842fSSascha Wildner (WalkState->OwnerId != Node->OwnerId))
10230d02842fSSascha Wildner {
10240d02842fSSascha Wildner ObjectType2 = ObjectType;
10250d02842fSSascha Wildner
10260d02842fSSascha Wildner Object = AcpiNsGetAttachedObject (Node);
10270d02842fSSascha Wildner if (Object)
10280d02842fSSascha Wildner {
10290d02842fSSascha Wildner ObjectType2 = Object->Common.Type;
10300d02842fSSascha Wildner if (ObjectType2 == ACPI_TYPE_METHOD)
10310d02842fSSascha Wildner {
10320d02842fSSascha Wildner ParamCount = Object->Method.ParamCount;
10330d02842fSSascha Wildner }
10340d02842fSSascha Wildner }
10350d02842fSSascha Wildner
10360d02842fSSascha Wildner Pathname = AcpiNsGetExternalPathname (Node);
10370d02842fSSascha Wildner if (!Pathname)
10380d02842fSSascha Wildner {
10390d02842fSSascha Wildner return (AE_NO_MEMORY);
10400d02842fSSascha Wildner }
10410d02842fSSascha Wildner
10420d02842fSSascha Wildner AcpiDmAddNodeToExternalList (Node, (UINT8) ObjectType2,
10430d02842fSSascha Wildner ParamCount, ACPI_EXT_RESOLVED_REFERENCE);
10440d02842fSSascha Wildner
10450d02842fSSascha Wildner ACPI_FREE (Pathname);
10460d02842fSSascha Wildner Op->Common.Node = Node;
10470d02842fSSascha Wildner }
10480d02842fSSascha Wildner else
10490d02842fSSascha Wildner {
10500d02842fSSascha Wildner Op->Common.Node = Node;
10510d02842fSSascha Wildner }
10520d02842fSSascha Wildner
10530d02842fSSascha Wildner
10540d02842fSSascha Wildner Exit:
10550d02842fSSascha Wildner /* Open new scope if necessary */
10560d02842fSSascha Wildner
10570d02842fSSascha Wildner if (AcpiNsOpensScope (ObjectType))
10580d02842fSSascha Wildner {
10590d02842fSSascha Wildner if (Op->Common.Node)
10600d02842fSSascha Wildner {
1061820c5b08SSascha Wildner Status = AcpiDsScopeStackPush (Op->Common.Node, ObjectType,
1062820c5b08SSascha Wildner WalkState);
10630d02842fSSascha Wildner if (ACPI_FAILURE (Status))
10640d02842fSSascha Wildner {
10650d02842fSSascha Wildner return (Status);
10660d02842fSSascha Wildner }
10670d02842fSSascha Wildner }
10680d02842fSSascha Wildner }
10690d02842fSSascha Wildner
10700d02842fSSascha Wildner return (AE_OK);
10710d02842fSSascha Wildner }
10720d02842fSSascha Wildner
10730d02842fSSascha Wildner /*******************************************************************************
10740d02842fSSascha Wildner *
10751093ca81SSascha Wildner * FUNCTION: AcpiDmCommonDescendingOp
10760d02842fSSascha Wildner *
10770d02842fSSascha Wildner * PARAMETERS: ASL_WALK_CALLBACK
10780d02842fSSascha Wildner *
10791093ca81SSascha Wildner * RETURN: ACPI_STATUS
10800d02842fSSascha Wildner *
10811093ca81SSascha Wildner * DESCRIPTION: Perform parse tree preprocessing before main disassembly walk.
10820d02842fSSascha Wildner *
10830d02842fSSascha Wildner ******************************************************************************/
10840d02842fSSascha Wildner
10850d02842fSSascha Wildner static ACPI_STATUS
AcpiDmCommonDescendingOp(ACPI_PARSE_OBJECT * Op,UINT32 Level,void * Context)10861093ca81SSascha Wildner AcpiDmCommonDescendingOp (
10871093ca81SSascha Wildner ACPI_PARSE_OBJECT *Op,
10881093ca81SSascha Wildner UINT32 Level,
10891093ca81SSascha Wildner void *Context)
10901093ca81SSascha Wildner {
10911093ca81SSascha Wildner ACPI_STATUS Status;
10921093ca81SSascha Wildner
10931093ca81SSascha Wildner
10941093ca81SSascha Wildner /* Resource descriptor conversion */
10951093ca81SSascha Wildner
10961093ca81SSascha Wildner Status = AcpiDmProcessResourceDescriptors (Op, Level, Context);
10971093ca81SSascha Wildner if (ACPI_FAILURE (Status))
10981093ca81SSascha Wildner {
10991093ca81SSascha Wildner return (Status);
11001093ca81SSascha Wildner }
11011093ca81SSascha Wildner
11021093ca81SSascha Wildner /* Switch/Case conversion */
11031093ca81SSascha Wildner
11041093ca81SSascha Wildner Status = AcpiDmProcessSwitch (Op);
1105e5412f1eSSascha Wildner return (Status);
11061093ca81SSascha Wildner }
11071093ca81SSascha Wildner
11081093ca81SSascha Wildner
11091093ca81SSascha Wildner /*******************************************************************************
11101093ca81SSascha Wildner *
11111093ca81SSascha Wildner * FUNCTION: AcpiDmProcessResourceDescriptors
11121093ca81SSascha Wildner *
11131093ca81SSascha Wildner * PARAMETERS: ASL_WALK_CALLBACK
11141093ca81SSascha Wildner *
11151093ca81SSascha Wildner * RETURN: ACPI_STATUS
11161093ca81SSascha Wildner *
11171093ca81SSascha Wildner * DESCRIPTION: Convert fixed-offset references to resource descriptors to
11181093ca81SSascha Wildner * symbolic references. Should only be called after namespace has
11191093ca81SSascha Wildner * been cross referenced.
11201093ca81SSascha Wildner *
11211093ca81SSascha Wildner ******************************************************************************/
11221093ca81SSascha Wildner
11231093ca81SSascha Wildner static ACPI_STATUS
AcpiDmProcessResourceDescriptors(ACPI_PARSE_OBJECT * Op,UINT32 Level,void * Context)11241093ca81SSascha Wildner AcpiDmProcessResourceDescriptors (
11250d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op,
11260d02842fSSascha Wildner UINT32 Level,
11270d02842fSSascha Wildner void *Context)
11280d02842fSSascha Wildner {
11290d02842fSSascha Wildner ACPI_OP_WALK_INFO *Info = Context;
11300d02842fSSascha Wildner const ACPI_OPCODE_INFO *OpInfo;
11310d02842fSSascha Wildner ACPI_WALK_STATE *WalkState;
11320d02842fSSascha Wildner ACPI_OBJECT_TYPE ObjectType;
11330d02842fSSascha Wildner ACPI_STATUS Status;
11340d02842fSSascha Wildner
11350d02842fSSascha Wildner
11360d02842fSSascha Wildner WalkState = Info->WalkState;
11370d02842fSSascha Wildner OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
11380d02842fSSascha Wildner
11390d02842fSSascha Wildner /* Open new scope if necessary */
11400d02842fSSascha Wildner
11410d02842fSSascha Wildner ObjectType = OpInfo->ObjectType;
11420d02842fSSascha Wildner if (AcpiNsOpensScope (ObjectType))
11430d02842fSSascha Wildner {
11440d02842fSSascha Wildner if (Op->Common.Node)
11450d02842fSSascha Wildner {
11460d02842fSSascha Wildner
1147820c5b08SSascha Wildner Status = AcpiDsScopeStackPush (Op->Common.Node, ObjectType,
1148820c5b08SSascha Wildner WalkState);
11490d02842fSSascha Wildner if (ACPI_FAILURE (Status))
11500d02842fSSascha Wildner {
11510d02842fSSascha Wildner return (Status);
11520d02842fSSascha Wildner }
11530d02842fSSascha Wildner }
11540d02842fSSascha Wildner }
11550d02842fSSascha Wildner
11560d02842fSSascha Wildner /*
11570d02842fSSascha Wildner * Check if this operator contains a reference to a resource descriptor.
11580d02842fSSascha Wildner * If so, convert the reference into a symbolic reference.
11590d02842fSSascha Wildner */
11600d02842fSSascha Wildner AcpiDmCheckResourceReference (Op, WalkState);
11610d02842fSSascha Wildner return (AE_OK);
11620d02842fSSascha Wildner }
11630d02842fSSascha Wildner
11640d02842fSSascha Wildner /*******************************************************************************
11650d02842fSSascha Wildner *
11660d02842fSSascha Wildner * FUNCTION: AcpiDmCommonAscendingOp
11670d02842fSSascha Wildner *
11680d02842fSSascha Wildner * PARAMETERS: ASL_WALK_CALLBACK
11690d02842fSSascha Wildner *
11700d02842fSSascha Wildner * RETURN: None
11710d02842fSSascha Wildner *
11720d02842fSSascha Wildner * DESCRIPTION: Ascending handler for combined parse/namespace walks. Closes
11730d02842fSSascha Wildner * scope if necessary.
11740d02842fSSascha Wildner *
11750d02842fSSascha Wildner ******************************************************************************/
11760d02842fSSascha Wildner
11770d02842fSSascha Wildner static ACPI_STATUS
AcpiDmCommonAscendingOp(ACPI_PARSE_OBJECT * Op,UINT32 Level,void * Context)11780d02842fSSascha Wildner AcpiDmCommonAscendingOp (
11790d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op,
11800d02842fSSascha Wildner UINT32 Level,
11810d02842fSSascha Wildner void *Context)
11820d02842fSSascha Wildner {
11830d02842fSSascha Wildner ACPI_OP_WALK_INFO *Info = Context;
11840d02842fSSascha Wildner ACPI_OBJECT_TYPE ObjectType;
11850d02842fSSascha Wildner
11860d02842fSSascha Wildner
11870d02842fSSascha Wildner /* Close scope if necessary */
11880d02842fSSascha Wildner
11890d02842fSSascha Wildner ObjectType = AslMapNamedOpcodeToDataType (Op->Asl.AmlOpcode);
11900d02842fSSascha Wildner
11910d02842fSSascha Wildner if (AcpiNsOpensScope (ObjectType))
11920d02842fSSascha Wildner {
11930d02842fSSascha Wildner (void) AcpiDsScopeStackPop (Info->WalkState);
11940d02842fSSascha Wildner }
11950d02842fSSascha Wildner
11960d02842fSSascha Wildner return (AE_OK);
11970d02842fSSascha Wildner }
11980d02842fSSascha Wildner
11990d02842fSSascha Wildner /*******************************************************************************
12000d02842fSSascha Wildner *
12010d02842fSSascha Wildner * FUNCTION: AcpiDmInspectPossibleArgs
12020d02842fSSascha Wildner *
12030d02842fSSascha Wildner * PARAMETERS: CurrentOpArgCount - Which arg of the current op was the
12040d02842fSSascha Wildner * possible method invocation found
12050d02842fSSascha Wildner * TargetCount - Number of targets (0,1,2) for this op
12060d02842fSSascha Wildner * Op - Parse op
12070d02842fSSascha Wildner *
12080d02842fSSascha Wildner * RETURN: Status
12090d02842fSSascha Wildner *
12100d02842fSSascha Wildner * DESCRIPTION: Examine following args and next ops for possible arguments
12110d02842fSSascha Wildner * for an unrecognized method invocation.
12120d02842fSSascha Wildner *
12130d02842fSSascha Wildner ******************************************************************************/
12140d02842fSSascha Wildner
12150d02842fSSascha Wildner static UINT32
AcpiDmInspectPossibleArgs(UINT32 CurrentOpArgCount,UINT32 TargetCount,ACPI_PARSE_OBJECT * Op)12160d02842fSSascha Wildner AcpiDmInspectPossibleArgs (
12170d02842fSSascha Wildner UINT32 CurrentOpArgCount,
12180d02842fSSascha Wildner UINT32 TargetCount,
12190d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op)
12200d02842fSSascha Wildner {
12210d02842fSSascha Wildner const ACPI_OPCODE_INFO *OpInfo;
12220d02842fSSascha Wildner UINT32 i;
12232ffe9f16SSascha Wildner UINT32 ArgumentCount = 0;
12242ffe9f16SSascha Wildner ACPI_PARSE_OBJECT *NextOp;
12252ffe9f16SSascha Wildner ACPI_PARSE_OBJECT *ExecuteOp;
12260d02842fSSascha Wildner
12270d02842fSSascha Wildner
12282ffe9f16SSascha Wildner if (!Op)
12292ffe9f16SSascha Wildner {
12302ffe9f16SSascha Wildner return (0);
12312ffe9f16SSascha Wildner }
12320d02842fSSascha Wildner
12330d02842fSSascha Wildner /* Lookahead for the maximum number of possible arguments */
12340d02842fSSascha Wildner
12352ffe9f16SSascha Wildner NextOp = Op->Common.Next;
12362ffe9f16SSascha Wildner
12372ffe9f16SSascha Wildner for (i = 0; (i < ACPI_METHOD_NUM_ARGS) && NextOp; i++)
12380d02842fSSascha Wildner {
12392ffe9f16SSascha Wildner OpInfo = AcpiPsGetOpcodeInfo (NextOp->Common.AmlOpcode);
12402ffe9f16SSascha Wildner
12412ffe9f16SSascha Wildner /* Any one of these operators is "very probably" not a method arg */
12422ffe9f16SSascha Wildner
12432ffe9f16SSascha Wildner if ((NextOp->Common.AmlOpcode == AML_STORE_OP) ||
12442ffe9f16SSascha Wildner (NextOp->Common.AmlOpcode == AML_NOTIFY_OP) ||
12452ffe9f16SSascha Wildner (OpInfo->Class == AML_CLASS_CONTROL) ||
12462ffe9f16SSascha Wildner (OpInfo->Class == AML_CLASS_CREATE) ||
12472ffe9f16SSascha Wildner (OpInfo->Class == AML_CLASS_NAMED_OBJECT))
12480d02842fSSascha Wildner {
12490d02842fSSascha Wildner break;
12500d02842fSSascha Wildner }
12510d02842fSSascha Wildner
12522ffe9f16SSascha Wildner if (OpInfo->Class == AML_CLASS_EXECUTE)
12532ffe9f16SSascha Wildner {
12542ffe9f16SSascha Wildner /* Probable that this is method arg if there is no target */
12550d02842fSSascha Wildner
12562ffe9f16SSascha Wildner ExecuteOp = NextOp->Common.Value.Arg;
12572ffe9f16SSascha Wildner while (ExecuteOp)
12582ffe9f16SSascha Wildner {
12592ffe9f16SSascha Wildner if ((ExecuteOp->Common.AmlOpcode == AML_INT_NAMEPATH_OP) &&
12602ffe9f16SSascha Wildner (ExecuteOp->Common.Value.Arg == NULL))
12612ffe9f16SSascha Wildner {
12622ffe9f16SSascha Wildner /* No target, could be a method arg */
12632ffe9f16SSascha Wildner
12642ffe9f16SSascha Wildner break;
12652ffe9f16SSascha Wildner }
12662ffe9f16SSascha Wildner
12672ffe9f16SSascha Wildner if (NextOp->Common.AmlOpcode == AML_REF_OF_OP)
12680d02842fSSascha Wildner {
12690d02842fSSascha Wildner break;
12700d02842fSSascha Wildner }
12710d02842fSSascha Wildner
12722ffe9f16SSascha Wildner ExecuteOp = ExecuteOp->Common.Next;
12732ffe9f16SSascha Wildner }
12742ffe9f16SSascha Wildner
12752ffe9f16SSascha Wildner if (!ExecuteOp)
12760d02842fSSascha Wildner {
12772ffe9f16SSascha Wildner /* Has a target, not method arg */
12782ffe9f16SSascha Wildner
12792ffe9f16SSascha Wildner return (ArgumentCount);
12802ffe9f16SSascha Wildner }
12810d02842fSSascha Wildner }
12820d02842fSSascha Wildner
12832ffe9f16SSascha Wildner ArgumentCount++;
12842ffe9f16SSascha Wildner NextOp = NextOp->Common.Next;
12850d02842fSSascha Wildner }
12860d02842fSSascha Wildner
12872ffe9f16SSascha Wildner return (ArgumentCount);
12880d02842fSSascha Wildner }
1289