xref: /illumos-gate/usr/src/cmd/acpi/common/adwalk.c (revision 35786f68)
1bc36eafdSMike Gerdts /******************************************************************************
2bc36eafdSMike Gerdts  *
3bc36eafdSMike Gerdts  * Module Name: adwalk - Application-level disassembler parse tree walk routines
4bc36eafdSMike Gerdts  *
5bc36eafdSMike Gerdts  *****************************************************************************/
6bc36eafdSMike Gerdts 
7*35786f68SRobert Mustacchi /******************************************************************************
8*35786f68SRobert Mustacchi  *
9*35786f68SRobert Mustacchi  * 1. Copyright Notice
10*35786f68SRobert Mustacchi  *
11*35786f68SRobert Mustacchi  * Some or all of this work - Copyright (c) 1999 - 2018, Intel Corp.
12bc36eafdSMike Gerdts  * All rights reserved.
13bc36eafdSMike Gerdts  *
14*35786f68SRobert Mustacchi  * 2. License
15*35786f68SRobert Mustacchi  *
16*35786f68SRobert Mustacchi  * 2.1. This is your license from Intel Corp. under its intellectual property
17*35786f68SRobert Mustacchi  * rights. You may have additional license terms from the party that provided
18*35786f68SRobert Mustacchi  * you this software, covering your right to use that party's intellectual
19*35786f68SRobert Mustacchi  * property rights.
20*35786f68SRobert Mustacchi  *
21*35786f68SRobert Mustacchi  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22*35786f68SRobert Mustacchi  * copy of the source code appearing in this file ("Covered Code") an
23*35786f68SRobert Mustacchi  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24*35786f68SRobert Mustacchi  * base code distributed originally by Intel ("Original Intel Code") to copy,
25*35786f68SRobert Mustacchi  * make derivatives, distribute, use and display any portion of the Covered
26*35786f68SRobert Mustacchi  * Code in any form, with the right to sublicense such rights; and
27*35786f68SRobert Mustacchi  *
28*35786f68SRobert Mustacchi  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29*35786f68SRobert Mustacchi  * license (with the right to sublicense), under only those claims of Intel
30*35786f68SRobert Mustacchi  * patents that are infringed by the Original Intel Code, to make, use, sell,
31*35786f68SRobert Mustacchi  * offer to sell, and import the Covered Code and derivative works thereof
32*35786f68SRobert Mustacchi  * solely to the minimum extent necessary to exercise the above copyright
33*35786f68SRobert Mustacchi  * license, and in no event shall the patent license extend to any additions
34*35786f68SRobert Mustacchi  * to or modifications of the Original Intel Code. No other license or right
35*35786f68SRobert Mustacchi  * is granted directly or by implication, estoppel or otherwise;
36*35786f68SRobert Mustacchi  *
37*35786f68SRobert Mustacchi  * The above copyright and patent license is granted only if the following
38*35786f68SRobert Mustacchi  * conditions are met:
39*35786f68SRobert Mustacchi  *
40*35786f68SRobert Mustacchi  * 3. Conditions
41*35786f68SRobert Mustacchi  *
42*35786f68SRobert Mustacchi  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43*35786f68SRobert Mustacchi  * Redistribution of source code of any substantial portion of the Covered
44*35786f68SRobert Mustacchi  * Code or modification with rights to further distribute source must include
45*35786f68SRobert Mustacchi  * the above Copyright Notice, the above License, this list of Conditions,
46*35786f68SRobert Mustacchi  * and the following Disclaimer and Export Compliance provision. In addition,
47*35786f68SRobert Mustacchi  * Licensee must cause all Covered Code to which Licensee contributes to
48*35786f68SRobert Mustacchi  * contain a file documenting the changes Licensee made to create that Covered
49*35786f68SRobert Mustacchi  * Code and the date of any change. Licensee must include in that file the
50*35786f68SRobert Mustacchi  * documentation of any changes made by any predecessor Licensee. Licensee
51*35786f68SRobert Mustacchi  * must include a prominent statement that the modification is derived,
52*35786f68SRobert Mustacchi  * directly or indirectly, from Original Intel Code.
53*35786f68SRobert Mustacchi  *
54*35786f68SRobert Mustacchi  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55*35786f68SRobert Mustacchi  * Redistribution of source code of any substantial portion of the Covered
56*35786f68SRobert Mustacchi  * Code or modification without rights to further distribute source must
57*35786f68SRobert Mustacchi  * include the following Disclaimer and Export Compliance provision in the
58*35786f68SRobert Mustacchi  * documentation and/or other materials provided with distribution. In
59*35786f68SRobert Mustacchi  * addition, Licensee may not authorize further sublicense of source of any
60*35786f68SRobert Mustacchi  * portion of the Covered Code, and must include terms to the effect that the
61*35786f68SRobert Mustacchi  * license from Licensee to its licensee is limited to the intellectual
62*35786f68SRobert Mustacchi  * property embodied in the software Licensee provides to its licensee, and
63*35786f68SRobert Mustacchi  * not to intellectual property embodied in modifications its licensee may
64*35786f68SRobert Mustacchi  * make.
65*35786f68SRobert Mustacchi  *
66*35786f68SRobert Mustacchi  * 3.3. Redistribution of Executable. Redistribution in executable form of any
67*35786f68SRobert Mustacchi  * substantial portion of the Covered Code or modification must reproduce the
68*35786f68SRobert Mustacchi  * above Copyright Notice, and the following Disclaimer and Export Compliance
69*35786f68SRobert Mustacchi  * provision in the documentation and/or other materials provided with the
70*35786f68SRobert Mustacchi  * distribution.
71*35786f68SRobert Mustacchi  *
72*35786f68SRobert Mustacchi  * 3.4. Intel retains all right, title, and interest in and to the Original
73*35786f68SRobert Mustacchi  * Intel Code.
74*35786f68SRobert Mustacchi  *
75*35786f68SRobert Mustacchi  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76*35786f68SRobert Mustacchi  * Intel shall be used in advertising or otherwise to promote the sale, use or
77*35786f68SRobert Mustacchi  * other dealings in products derived from or relating to the Covered Code
78*35786f68SRobert Mustacchi  * without prior written authorization from Intel.
79*35786f68SRobert Mustacchi  *
80*35786f68SRobert Mustacchi  * 4. Disclaimer and Export Compliance
81*35786f68SRobert Mustacchi  *
82*35786f68SRobert Mustacchi  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83*35786f68SRobert Mustacchi  * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84*35786f68SRobert Mustacchi  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85*35786f68SRobert Mustacchi  * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86*35786f68SRobert Mustacchi  * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87*35786f68SRobert Mustacchi  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
88*35786f68SRobert Mustacchi  * PARTICULAR PURPOSE.
89*35786f68SRobert Mustacchi  *
90*35786f68SRobert Mustacchi  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91*35786f68SRobert Mustacchi  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92*35786f68SRobert Mustacchi  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93*35786f68SRobert Mustacchi  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94*35786f68SRobert Mustacchi  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95*35786f68SRobert Mustacchi  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96*35786f68SRobert Mustacchi  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
97*35786f68SRobert Mustacchi  * LIMITED REMEDY.
98*35786f68SRobert Mustacchi  *
99*35786f68SRobert Mustacchi  * 4.3. Licensee shall not export, either directly or indirectly, any of this
100*35786f68SRobert Mustacchi  * software or system incorporating such software without first obtaining any
101*35786f68SRobert Mustacchi  * required license or other approval from the U. S. Department of Commerce or
102*35786f68SRobert Mustacchi  * any other agency or department of the United States Government. In the
103*35786f68SRobert Mustacchi  * event Licensee exports any such software from the United States or
104*35786f68SRobert Mustacchi  * re-exports any such software from a foreign destination, Licensee shall
105*35786f68SRobert Mustacchi  * ensure that the distribution and export/re-export of the software is in
106*35786f68SRobert Mustacchi  * compliance with all laws, regulations, orders, or other restrictions of the
107*35786f68SRobert Mustacchi  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108*35786f68SRobert Mustacchi  * any of its subsidiaries will export/re-export any technical data, process,
109*35786f68SRobert Mustacchi  * software, or service, directly or indirectly, to any country for which the
110*35786f68SRobert Mustacchi  * United States government or any agency thereof requires an export license,
111*35786f68SRobert Mustacchi  * other governmental approval, or letter of assurance, without first obtaining
112*35786f68SRobert Mustacchi  * such license, approval or letter.
113*35786f68SRobert Mustacchi  *
114*35786f68SRobert Mustacchi  *****************************************************************************
115*35786f68SRobert Mustacchi  *
116*35786f68SRobert Mustacchi  * Alternatively, you may choose to be licensed under the terms of the
117*35786f68SRobert Mustacchi  * following license:
118*35786f68SRobert Mustacchi  *
119bc36eafdSMike Gerdts  * Redistribution and use in source and binary forms, with or without
120bc36eafdSMike Gerdts  * modification, are permitted provided that the following conditions
121bc36eafdSMike Gerdts  * are met:
122bc36eafdSMike Gerdts  * 1. Redistributions of source code must retain the above copyright
123bc36eafdSMike Gerdts  *    notice, this list of conditions, and the following disclaimer,
124bc36eafdSMike Gerdts  *    without modification.
125bc36eafdSMike Gerdts  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
126bc36eafdSMike Gerdts  *    substantially similar to the "NO WARRANTY" disclaimer below
127bc36eafdSMike Gerdts  *    ("Disclaimer") and any redistribution must be conditioned upon
128bc36eafdSMike Gerdts  *    including a substantially similar Disclaimer requirement for further
129bc36eafdSMike Gerdts  *    binary redistribution.
130bc36eafdSMike Gerdts  * 3. Neither the names of the above-listed copyright holders nor the names
131bc36eafdSMike Gerdts  *    of any contributors may be used to endorse or promote products derived
132bc36eafdSMike Gerdts  *    from this software without specific prior written permission.
133bc36eafdSMike Gerdts  *
134bc36eafdSMike Gerdts  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135bc36eafdSMike Gerdts  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136*35786f68SRobert Mustacchi  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137bc36eafdSMike Gerdts  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138*35786f68SRobert Mustacchi  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139*35786f68SRobert Mustacchi  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140*35786f68SRobert Mustacchi  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141*35786f68SRobert Mustacchi  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142*35786f68SRobert Mustacchi  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143*35786f68SRobert Mustacchi  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144*35786f68SRobert Mustacchi  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
145*35786f68SRobert Mustacchi  *
146*35786f68SRobert Mustacchi  * Alternatively, you may choose to be licensed under the terms of the
147*35786f68SRobert Mustacchi  * GNU General Public License ("GPL") version 2 as published by the Free
148*35786f68SRobert Mustacchi  * Software Foundation.
149*35786f68SRobert Mustacchi  *
150*35786f68SRobert Mustacchi  *****************************************************************************/
151bc36eafdSMike Gerdts 
152bc36eafdSMike Gerdts #include "acpi.h"
153bc36eafdSMike Gerdts #include "accommon.h"
154bc36eafdSMike Gerdts #include "acparser.h"
155bc36eafdSMike Gerdts #include "amlcode.h"
156bc36eafdSMike Gerdts #include "acdisasm.h"
157bc36eafdSMike Gerdts #include "acdispat.h"
158bc36eafdSMike Gerdts #include "acnamesp.h"
159bc36eafdSMike Gerdts #include "acapps.h"
160bc36eafdSMike Gerdts 
161bc36eafdSMike Gerdts 
162bc36eafdSMike Gerdts #define _COMPONENT          ACPI_TOOLS
163bc36eafdSMike Gerdts         ACPI_MODULE_NAME    ("adwalk")
164bc36eafdSMike Gerdts 
165bc36eafdSMike Gerdts /*
166bc36eafdSMike Gerdts  * aslmap - opcode mappings and reserved method names
167bc36eafdSMike Gerdts  */
168bc36eafdSMike Gerdts ACPI_OBJECT_TYPE
169bc36eafdSMike Gerdts AslMapNamedOpcodeToDataType (
170bc36eafdSMike Gerdts     UINT16                  Opcode);
171bc36eafdSMike Gerdts 
172bc36eafdSMike Gerdts /* Local prototypes */
173bc36eafdSMike Gerdts 
174bc36eafdSMike Gerdts static ACPI_STATUS
175bc36eafdSMike Gerdts AcpiDmFindOrphanDescending (
176bc36eafdSMike Gerdts     ACPI_PARSE_OBJECT       *Op,
177bc36eafdSMike Gerdts     UINT32                  Level,
178bc36eafdSMike Gerdts     void                    *Context);
179bc36eafdSMike Gerdts 
180bc36eafdSMike Gerdts static ACPI_STATUS
181bc36eafdSMike Gerdts AcpiDmDumpDescending (
182bc36eafdSMike Gerdts     ACPI_PARSE_OBJECT       *Op,
183bc36eafdSMike Gerdts     UINT32                  Level,
184bc36eafdSMike Gerdts     void                    *Context);
185bc36eafdSMike Gerdts 
186bc36eafdSMike Gerdts static ACPI_STATUS
187bc36eafdSMike Gerdts AcpiDmXrefDescendingOp (
188bc36eafdSMike Gerdts     ACPI_PARSE_OBJECT       *Op,
189bc36eafdSMike Gerdts     UINT32                  Level,
190bc36eafdSMike Gerdts     void                    *Context);
191bc36eafdSMike Gerdts 
192bc36eafdSMike Gerdts static ACPI_STATUS
193bc36eafdSMike Gerdts AcpiDmCommonAscendingOp (
194bc36eafdSMike Gerdts     ACPI_PARSE_OBJECT       *Op,
195bc36eafdSMike Gerdts     UINT32                  Level,
196bc36eafdSMike Gerdts     void                    *Context);
197bc36eafdSMike Gerdts 
198bc36eafdSMike Gerdts static ACPI_STATUS
199bc36eafdSMike Gerdts AcpiDmLoadDescendingOp (
200bc36eafdSMike Gerdts     ACPI_PARSE_OBJECT       *Op,
201bc36eafdSMike Gerdts     UINT32                  Level,
202bc36eafdSMike Gerdts     void                    *Context);
203bc36eafdSMike Gerdts 
204bc36eafdSMike Gerdts static UINT32
205bc36eafdSMike Gerdts AcpiDmInspectPossibleArgs (
206bc36eafdSMike Gerdts     UINT32                  CurrentOpArgCount,
207bc36eafdSMike Gerdts     UINT32                  TargetCount,
208bc36eafdSMike Gerdts     ACPI_PARSE_OBJECT       *Op);
209bc36eafdSMike Gerdts 
210bc36eafdSMike Gerdts static ACPI_STATUS
211*35786f68SRobert Mustacchi AcpiDmCommonDescendingOp (
212bc36eafdSMike Gerdts     ACPI_PARSE_OBJECT       *Op,
213bc36eafdSMike Gerdts     UINT32                  Level,
214bc36eafdSMike Gerdts     void                    *Context);
215bc36eafdSMike Gerdts 
216*35786f68SRobert Mustacchi static ACPI_STATUS
217*35786f68SRobert Mustacchi AcpiDmProcessResourceDescriptors (
218*35786f68SRobert Mustacchi     ACPI_PARSE_OBJECT       *Op,
219*35786f68SRobert Mustacchi     UINT32                  Level,
220*35786f68SRobert Mustacchi     void                    *Context);
221bc36eafdSMike Gerdts 
222bc36eafdSMike Gerdts /*******************************************************************************
223bc36eafdSMike Gerdts  *
224bc36eafdSMike Gerdts  * FUNCTION:    AcpiDmDumpTree
225bc36eafdSMike Gerdts  *
226bc36eafdSMike Gerdts  * PARAMETERS:  Origin              - Starting object
227bc36eafdSMike Gerdts  *
228bc36eafdSMike Gerdts  * RETURN:      None
229bc36eafdSMike Gerdts  *
230bc36eafdSMike Gerdts  * DESCRIPTION: Parse tree walk to format and output the nodes
231bc36eafdSMike Gerdts  *
232bc36eafdSMike Gerdts  ******************************************************************************/
233bc36eafdSMike Gerdts 
234bc36eafdSMike Gerdts void
AcpiDmDumpTree(ACPI_PARSE_OBJECT * Origin)235bc36eafdSMike Gerdts AcpiDmDumpTree (
236bc36eafdSMike Gerdts     ACPI_PARSE_OBJECT       *Origin)
237bc36eafdSMike Gerdts {
238bc36eafdSMike Gerdts     ACPI_OP_WALK_INFO       Info;
239bc36eafdSMike Gerdts 
240bc36eafdSMike Gerdts 
241bc36eafdSMike Gerdts     if (!Origin)
242bc36eafdSMike Gerdts     {
243bc36eafdSMike Gerdts         return;
244bc36eafdSMike Gerdts     }
245bc36eafdSMike Gerdts 
246bc36eafdSMike Gerdts     AcpiOsPrintf ("/*\nAML Parse Tree\n\n");
247bc36eafdSMike Gerdts     Info.Flags = 0;
248bc36eafdSMike Gerdts     Info.Count = 0;
249bc36eafdSMike Gerdts     Info.Level = 0;
250bc36eafdSMike Gerdts     Info.WalkState = NULL;
251bc36eafdSMike Gerdts 
252bc36eafdSMike Gerdts     AcpiDmWalkParseTree (Origin, AcpiDmDumpDescending, NULL, &Info);
253bc36eafdSMike Gerdts     AcpiOsPrintf ("*/\n\n");
254bc36eafdSMike Gerdts }
255bc36eafdSMike Gerdts 
256bc36eafdSMike Gerdts 
257bc36eafdSMike Gerdts /*******************************************************************************
258bc36eafdSMike Gerdts  *
259bc36eafdSMike Gerdts  * FUNCTION:    AcpiDmFindOrphanMethods
260bc36eafdSMike Gerdts  *
261bc36eafdSMike Gerdts  * PARAMETERS:  Origin              - Starting object
262bc36eafdSMike Gerdts  *
263bc36eafdSMike Gerdts  * RETURN:      None
264bc36eafdSMike Gerdts  *
265bc36eafdSMike Gerdts  * DESCRIPTION: Parse tree walk to find "orphaned" method invocations -- methods
266bc36eafdSMike Gerdts  *              that are not resolved in the namespace
267bc36eafdSMike Gerdts  *
268bc36eafdSMike Gerdts  ******************************************************************************/
269bc36eafdSMike Gerdts 
270bc36eafdSMike Gerdts void
AcpiDmFindOrphanMethods(ACPI_PARSE_OBJECT * Origin)271bc36eafdSMike Gerdts AcpiDmFindOrphanMethods (
272bc36eafdSMike Gerdts     ACPI_PARSE_OBJECT       *Origin)
273bc36eafdSMike Gerdts {
274bc36eafdSMike Gerdts     ACPI_OP_WALK_INFO       Info;
275bc36eafdSMike Gerdts 
276bc36eafdSMike Gerdts 
277bc36eafdSMike Gerdts     if (!Origin)
278bc36eafdSMike Gerdts     {
279bc36eafdSMike Gerdts         return;
280bc36eafdSMike Gerdts     }
281bc36eafdSMike Gerdts 
282bc36eafdSMike Gerdts     Info.Flags = 0;
283bc36eafdSMike Gerdts     Info.Level = 0;
284bc36eafdSMike Gerdts     Info.WalkState = NULL;
285bc36eafdSMike Gerdts 
286bc36eafdSMike Gerdts     AcpiDmWalkParseTree (Origin, AcpiDmFindOrphanDescending, NULL, &Info);
287bc36eafdSMike Gerdts }
288bc36eafdSMike Gerdts 
289bc36eafdSMike Gerdts 
290bc36eafdSMike Gerdts /*******************************************************************************
291bc36eafdSMike Gerdts  *
292bc36eafdSMike Gerdts  * FUNCTION:    AcpiDmFinishNamespaceLoad
293bc36eafdSMike Gerdts  *
294bc36eafdSMike Gerdts  * PARAMETERS:  ParseTreeRoot       - Root of the parse tree
295bc36eafdSMike Gerdts  *              NamespaceRoot       - Root of the internal namespace
296bc36eafdSMike Gerdts  *              OwnerId             - OwnerId of the table to be disassembled
297bc36eafdSMike Gerdts  *
298bc36eafdSMike Gerdts  * RETURN:      None
299bc36eafdSMike Gerdts  *
300bc36eafdSMike Gerdts  * DESCRIPTION: Load all namespace items that are created within control
301bc36eafdSMike Gerdts  *              methods. Used before namespace cross reference
302bc36eafdSMike Gerdts  *
303bc36eafdSMike Gerdts  ******************************************************************************/
304bc36eafdSMike Gerdts 
305bc36eafdSMike Gerdts void
AcpiDmFinishNamespaceLoad(ACPI_PARSE_OBJECT * ParseTreeRoot,ACPI_NAMESPACE_NODE * NamespaceRoot,ACPI_OWNER_ID OwnerId)306bc36eafdSMike Gerdts AcpiDmFinishNamespaceLoad (
307bc36eafdSMike Gerdts     ACPI_PARSE_OBJECT       *ParseTreeRoot,
308bc36eafdSMike Gerdts     ACPI_NAMESPACE_NODE     *NamespaceRoot,
309bc36eafdSMike Gerdts     ACPI_OWNER_ID           OwnerId)
310bc36eafdSMike Gerdts {
311bc36eafdSMike Gerdts     ACPI_STATUS             Status;
312bc36eafdSMike Gerdts     ACPI_OP_WALK_INFO       Info;
313bc36eafdSMike Gerdts     ACPI_WALK_STATE         *WalkState;
314bc36eafdSMike Gerdts 
315bc36eafdSMike Gerdts 
316bc36eafdSMike Gerdts     if (!ParseTreeRoot)
317bc36eafdSMike Gerdts     {
318bc36eafdSMike Gerdts         return;
319bc36eafdSMike Gerdts     }
320bc36eafdSMike Gerdts 
321bc36eafdSMike Gerdts     /* Create and initialize a new walk state */
322bc36eafdSMike Gerdts 
323bc36eafdSMike Gerdts     WalkState = AcpiDsCreateWalkState (OwnerId, ParseTreeRoot, NULL, NULL);
324bc36eafdSMike Gerdts     if (!WalkState)
325bc36eafdSMike Gerdts     {
326bc36eafdSMike Gerdts         return;
327bc36eafdSMike Gerdts     }
328bc36eafdSMike Gerdts 
329bc36eafdSMike Gerdts     Status = AcpiDsScopeStackPush (NamespaceRoot, NamespaceRoot->Type,
330bc36eafdSMike Gerdts         WalkState);
331bc36eafdSMike Gerdts     if (ACPI_FAILURE (Status))
332bc36eafdSMike Gerdts     {
333bc36eafdSMike Gerdts         return;
334bc36eafdSMike Gerdts     }
335bc36eafdSMike Gerdts 
336bc36eafdSMike Gerdts     Info.Flags = 0;
337bc36eafdSMike Gerdts     Info.Level = 0;
338bc36eafdSMike Gerdts     Info.WalkState = WalkState;
339bc36eafdSMike Gerdts 
340bc36eafdSMike Gerdts     AcpiDmWalkParseTree (ParseTreeRoot, AcpiDmLoadDescendingOp,
341bc36eafdSMike Gerdts         AcpiDmCommonAscendingOp, &Info);
342bc36eafdSMike Gerdts     ACPI_FREE (WalkState);
343bc36eafdSMike Gerdts }
344bc36eafdSMike Gerdts 
345bc36eafdSMike Gerdts 
346bc36eafdSMike Gerdts /*******************************************************************************
347bc36eafdSMike Gerdts  *
348bc36eafdSMike Gerdts  * FUNCTION:    AcpiDmCrossReferenceNamespace
349bc36eafdSMike Gerdts  *
350bc36eafdSMike Gerdts  * PARAMETERS:  ParseTreeRoot       - Root of the parse tree
351bc36eafdSMike Gerdts  *              NamespaceRoot       - Root of the internal namespace
352bc36eafdSMike Gerdts  *              OwnerId             - OwnerId of the table to be disassembled
353bc36eafdSMike Gerdts  *
354bc36eafdSMike Gerdts  * RETURN:      None
355bc36eafdSMike Gerdts  *
356bc36eafdSMike Gerdts  * DESCRIPTION: Cross reference the namespace to create externals
357bc36eafdSMike Gerdts  *
358bc36eafdSMike Gerdts  ******************************************************************************/
359bc36eafdSMike Gerdts 
360bc36eafdSMike Gerdts void
AcpiDmCrossReferenceNamespace(ACPI_PARSE_OBJECT * ParseTreeRoot,ACPI_NAMESPACE_NODE * NamespaceRoot,ACPI_OWNER_ID OwnerId)361bc36eafdSMike Gerdts AcpiDmCrossReferenceNamespace (
362bc36eafdSMike Gerdts     ACPI_PARSE_OBJECT       *ParseTreeRoot,
363bc36eafdSMike Gerdts     ACPI_NAMESPACE_NODE     *NamespaceRoot,
364bc36eafdSMike Gerdts     ACPI_OWNER_ID           OwnerId)
365bc36eafdSMike Gerdts {
366bc36eafdSMike Gerdts     ACPI_STATUS             Status;
367bc36eafdSMike Gerdts     ACPI_OP_WALK_INFO       Info;
368bc36eafdSMike Gerdts     ACPI_WALK_STATE         *WalkState;
369bc36eafdSMike Gerdts 
370bc36eafdSMike Gerdts 
371bc36eafdSMike Gerdts     if (!ParseTreeRoot)
372bc36eafdSMike Gerdts     {
373bc36eafdSMike Gerdts         return;
374bc36eafdSMike Gerdts     }
375bc36eafdSMike Gerdts 
376bc36eafdSMike Gerdts     /* Create and initialize a new walk state */
377bc36eafdSMike Gerdts 
378bc36eafdSMike Gerdts     WalkState = AcpiDsCreateWalkState (OwnerId, ParseTreeRoot, NULL, NULL);
379bc36eafdSMike Gerdts     if (!WalkState)
380bc36eafdSMike Gerdts     {
381bc36eafdSMike Gerdts         return;
382bc36eafdSMike Gerdts     }
383bc36eafdSMike Gerdts 
384bc36eafdSMike Gerdts     Status = AcpiDsScopeStackPush (NamespaceRoot, NamespaceRoot->Type,
385bc36eafdSMike Gerdts         WalkState);
386bc36eafdSMike Gerdts     if (ACPI_FAILURE (Status))
387bc36eafdSMike Gerdts     {
388bc36eafdSMike Gerdts         return;
389bc36eafdSMike Gerdts     }
390bc36eafdSMike Gerdts 
391bc36eafdSMike Gerdts     Info.Flags = 0;
392bc36eafdSMike Gerdts     Info.Level = 0;
393bc36eafdSMike Gerdts     Info.WalkState = WalkState;
394bc36eafdSMike Gerdts 
395bc36eafdSMike Gerdts     AcpiDmWalkParseTree (ParseTreeRoot, AcpiDmXrefDescendingOp,
396bc36eafdSMike Gerdts         AcpiDmCommonAscendingOp, &Info);
397bc36eafdSMike Gerdts     ACPI_FREE (WalkState);
398bc36eafdSMike Gerdts }
399bc36eafdSMike Gerdts 
400bc36eafdSMike Gerdts 
401bc36eafdSMike Gerdts /*******************************************************************************
402bc36eafdSMike Gerdts  *
403*35786f68SRobert Mustacchi  * FUNCTION:    AcpiDmConvertParseObjects
404bc36eafdSMike Gerdts  *
405bc36eafdSMike Gerdts  * PARAMETERS:  ParseTreeRoot       - Root of the parse tree
406bc36eafdSMike Gerdts  *              NamespaceRoot       - Root of the internal namespace
407bc36eafdSMike Gerdts  *
408bc36eafdSMike Gerdts  * RETURN:      None
409bc36eafdSMike Gerdts  *
410*35786f68SRobert Mustacchi  * DESCRIPTION: Begin parse tree walk to perform conversions needed for
411*35786f68SRobert Mustacchi  *              disassembly. These include resource descriptors and switch/case
412*35786f68SRobert Mustacchi  *              operations.
413bc36eafdSMike Gerdts  *
414bc36eafdSMike Gerdts  ******************************************************************************/
415bc36eafdSMike Gerdts 
416bc36eafdSMike Gerdts void
AcpiDmConvertParseObjects(ACPI_PARSE_OBJECT * ParseTreeRoot,ACPI_NAMESPACE_NODE * NamespaceRoot)417*35786f68SRobert Mustacchi AcpiDmConvertParseObjects (
418bc36eafdSMike Gerdts     ACPI_PARSE_OBJECT       *ParseTreeRoot,
419bc36eafdSMike Gerdts     ACPI_NAMESPACE_NODE     *NamespaceRoot)
420bc36eafdSMike Gerdts {
421bc36eafdSMike Gerdts     ACPI_STATUS             Status;
422bc36eafdSMike Gerdts     ACPI_OP_WALK_INFO       Info;
423bc36eafdSMike Gerdts     ACPI_WALK_STATE         *WalkState;
424bc36eafdSMike Gerdts 
425bc36eafdSMike Gerdts 
426bc36eafdSMike Gerdts     if (!ParseTreeRoot)
427bc36eafdSMike Gerdts     {
428bc36eafdSMike Gerdts         return;
429bc36eafdSMike Gerdts     }
430bc36eafdSMike Gerdts 
431bc36eafdSMike Gerdts     /* Create and initialize a new walk state */
432bc36eafdSMike Gerdts 
433bc36eafdSMike Gerdts     WalkState = AcpiDsCreateWalkState (0, ParseTreeRoot, NULL, NULL);
434bc36eafdSMike Gerdts     if (!WalkState)
435bc36eafdSMike Gerdts     {
436bc36eafdSMike Gerdts         return;
437bc36eafdSMike Gerdts     }
438bc36eafdSMike Gerdts 
439bc36eafdSMike Gerdts     Status = AcpiDsScopeStackPush (NamespaceRoot, NamespaceRoot->Type,
440bc36eafdSMike Gerdts         WalkState);
441bc36eafdSMike Gerdts     if (ACPI_FAILURE (Status))
442bc36eafdSMike Gerdts     {
443bc36eafdSMike Gerdts         ACPI_FREE (WalkState);
444bc36eafdSMike Gerdts         return;
445bc36eafdSMike Gerdts     }
446bc36eafdSMike Gerdts 
447bc36eafdSMike Gerdts     Info.Flags = 0;
448bc36eafdSMike Gerdts     Info.Level = 0;
449bc36eafdSMike Gerdts     Info.WalkState = WalkState;
450bc36eafdSMike Gerdts 
451*35786f68SRobert Mustacchi     AcpiDmWalkParseTree (ParseTreeRoot, AcpiDmCommonDescendingOp,
452bc36eafdSMike Gerdts         AcpiDmCommonAscendingOp, &Info);
453bc36eafdSMike Gerdts     ACPI_FREE (WalkState);
454*35786f68SRobert Mustacchi 
455*35786f68SRobert Mustacchi     if (AcpiGbl_TempListHead) {
456*35786f68SRobert Mustacchi         AcpiDmClearTempList();
457*35786f68SRobert Mustacchi     }
458*35786f68SRobert Mustacchi 
459bc36eafdSMike Gerdts     return;
460bc36eafdSMike Gerdts }
461bc36eafdSMike Gerdts 
462bc36eafdSMike Gerdts 
463bc36eafdSMike Gerdts /*******************************************************************************
464bc36eafdSMike Gerdts  *
465bc36eafdSMike Gerdts  * FUNCTION:    AcpiDmDumpDescending
466bc36eafdSMike Gerdts  *
467bc36eafdSMike Gerdts  * PARAMETERS:  ASL_WALK_CALLBACK
468bc36eafdSMike Gerdts  *
469bc36eafdSMike Gerdts  * RETURN:      Status
470bc36eafdSMike Gerdts  *
471bc36eafdSMike Gerdts  * DESCRIPTION: Format and print contents of one parse Op.
472bc36eafdSMike Gerdts  *
473bc36eafdSMike Gerdts  ******************************************************************************/
474bc36eafdSMike Gerdts 
475bc36eafdSMike Gerdts static ACPI_STATUS
AcpiDmDumpDescending(ACPI_PARSE_OBJECT * Op,UINT32 Level,void * Context)476bc36eafdSMike Gerdts AcpiDmDumpDescending (
477bc36eafdSMike Gerdts     ACPI_PARSE_OBJECT       *Op,
478bc36eafdSMike Gerdts     UINT32                  Level,
479bc36eafdSMike Gerdts     void                    *Context)
480bc36eafdSMike Gerdts {
481bc36eafdSMike Gerdts     ACPI_OP_WALK_INFO       *Info = Context;
482bc36eafdSMike Gerdts     char                    *Path;
483bc36eafdSMike Gerdts 
484bc36eafdSMike Gerdts 
485bc36eafdSMike Gerdts     if (!Op)
486bc36eafdSMike Gerdts     {
487bc36eafdSMike Gerdts         return (AE_OK);
488bc36eafdSMike Gerdts     }
489bc36eafdSMike Gerdts 
490bc36eafdSMike Gerdts     /* Most of the information (count, level, name) here */
491bc36eafdSMike Gerdts 
492bc36eafdSMike Gerdts     Info->Count++;
493bc36eafdSMike Gerdts     AcpiOsPrintf ("% 5d [%2.2d] ", Info->Count, Level);
494bc36eafdSMike Gerdts     AcpiDmIndent (Level);
495bc36eafdSMike Gerdts     AcpiOsPrintf ("%-28s", AcpiPsGetOpcodeName (Op->Common.AmlOpcode));
496bc36eafdSMike Gerdts 
497bc36eafdSMike Gerdts     /* Extra info is helpful */
498bc36eafdSMike Gerdts 
499bc36eafdSMike Gerdts     switch (Op->Common.AmlOpcode)
500bc36eafdSMike Gerdts     {
501bc36eafdSMike Gerdts     case AML_BYTE_OP:
502bc36eafdSMike Gerdts 
503bc36eafdSMike Gerdts         AcpiOsPrintf ("%2.2X", (UINT32) Op->Common.Value.Integer);
504bc36eafdSMike Gerdts         break;
505bc36eafdSMike Gerdts 
506bc36eafdSMike Gerdts     case AML_WORD_OP:
507bc36eafdSMike Gerdts 
508bc36eafdSMike Gerdts         AcpiOsPrintf ("%4.4X", (UINT32) Op->Common.Value.Integer);
509bc36eafdSMike Gerdts         break;
510bc36eafdSMike Gerdts 
511bc36eafdSMike Gerdts     case AML_DWORD_OP:
512bc36eafdSMike Gerdts 
513bc36eafdSMike Gerdts         AcpiOsPrintf ("%8.8X", (UINT32) Op->Common.Value.Integer);
514bc36eafdSMike Gerdts         break;
515bc36eafdSMike Gerdts 
516bc36eafdSMike Gerdts     case AML_QWORD_OP:
517bc36eafdSMike Gerdts 
518bc36eafdSMike Gerdts         AcpiOsPrintf ("%8.8X%8.8X", ACPI_FORMAT_UINT64 (Op->Common.Value.Integer));
519bc36eafdSMike Gerdts         break;
520bc36eafdSMike Gerdts 
521bc36eafdSMike Gerdts     case AML_INT_NAMEPATH_OP:
522bc36eafdSMike Gerdts 
523bc36eafdSMike Gerdts         if (Op->Common.Value.String)
524bc36eafdSMike Gerdts         {
525bc36eafdSMike Gerdts             AcpiNsExternalizeName (ACPI_UINT32_MAX, Op->Common.Value.String,
526bc36eafdSMike Gerdts                 NULL, &Path);
527bc36eafdSMike Gerdts             AcpiOsPrintf ("%s %p", Path, Op->Common.Node);
528bc36eafdSMike Gerdts             ACPI_FREE (Path);
529bc36eafdSMike Gerdts         }
530bc36eafdSMike Gerdts         else
531bc36eafdSMike Gerdts         {
532bc36eafdSMike Gerdts             AcpiOsPrintf ("[NULL]");
533bc36eafdSMike Gerdts         }
534bc36eafdSMike Gerdts         break;
535bc36eafdSMike Gerdts 
536bc36eafdSMike Gerdts     case AML_NAME_OP:
537bc36eafdSMike Gerdts     case AML_METHOD_OP:
538bc36eafdSMike Gerdts     case AML_DEVICE_OP:
539*35786f68SRobert Mustacchi 
540*35786f68SRobert Mustacchi         AcpiOsPrintf ("%4.4s",
541*35786f68SRobert Mustacchi             ACPI_CAST_PTR (char, &Op->Named.Name));
542*35786f68SRobert Mustacchi         break;
543*35786f68SRobert Mustacchi 
544bc36eafdSMike Gerdts     case AML_INT_NAMEDFIELD_OP:
545bc36eafdSMike Gerdts 
546*35786f68SRobert Mustacchi         AcpiOsPrintf ("%4.4s Length: (bits) %8.8X%8.8X (bytes) %8.8X%8.8X",
547*35786f68SRobert Mustacchi             ACPI_CAST_PTR (char, &Op->Named.Name),
548*35786f68SRobert Mustacchi             ACPI_FORMAT_UINT64 (Op->Common.Value.Integer),
549*35786f68SRobert Mustacchi             ACPI_FORMAT_UINT64 (Op->Common.Value.Integer / 8));
550bc36eafdSMike Gerdts         break;
551bc36eafdSMike Gerdts 
552*35786f68SRobert Mustacchi 
553bc36eafdSMike Gerdts     default:
554bc36eafdSMike Gerdts 
555bc36eafdSMike Gerdts         break;
556bc36eafdSMike Gerdts     }
557bc36eafdSMike Gerdts 
558bc36eafdSMike Gerdts     AcpiOsPrintf ("\n");
559bc36eafdSMike Gerdts     return (AE_OK);
560bc36eafdSMike Gerdts }
561bc36eafdSMike Gerdts 
562bc36eafdSMike Gerdts 
563bc36eafdSMike Gerdts /*******************************************************************************
564bc36eafdSMike Gerdts  *
565bc36eafdSMike Gerdts  * FUNCTION:    AcpiDmFindOrphanDescending
566bc36eafdSMike Gerdts  *
567bc36eafdSMike Gerdts  * PARAMETERS:  ASL_WALK_CALLBACK
568bc36eafdSMike Gerdts  *
569bc36eafdSMike Gerdts  * RETURN:      Status
570bc36eafdSMike Gerdts  *
571bc36eafdSMike Gerdts  * DESCRIPTION: Check namepath Ops for orphaned method invocations
572bc36eafdSMike Gerdts  *
573bc36eafdSMike Gerdts  * Note: Parts of this are experimental, under possible further development.
574bc36eafdSMike Gerdts  *
575bc36eafdSMike Gerdts  ******************************************************************************/
576bc36eafdSMike Gerdts 
577bc36eafdSMike Gerdts static ACPI_STATUS
AcpiDmFindOrphanDescending(ACPI_PARSE_OBJECT * Op,UINT32 Level,void * Context)578bc36eafdSMike Gerdts AcpiDmFindOrphanDescending (
579bc36eafdSMike Gerdts     ACPI_PARSE_OBJECT       *Op,
580bc36eafdSMike Gerdts     UINT32                  Level,
581bc36eafdSMike Gerdts     void                    *Context)
582bc36eafdSMike Gerdts {
583bc36eafdSMike Gerdts     const ACPI_OPCODE_INFO  *OpInfo;
584bc36eafdSMike Gerdts     ACPI_PARSE_OBJECT       *ChildOp;
585bc36eafdSMike Gerdts     ACPI_PARSE_OBJECT       *NextOp;
586bc36eafdSMike Gerdts     ACPI_PARSE_OBJECT       *ParentOp;
587bc36eafdSMike Gerdts     UINT32                  ArgCount;
588bc36eafdSMike Gerdts 
589bc36eafdSMike Gerdts 
590bc36eafdSMike Gerdts     if (!Op)
591bc36eafdSMike Gerdts     {
592bc36eafdSMike Gerdts         return (AE_OK);
593bc36eafdSMike Gerdts     }
594bc36eafdSMike Gerdts 
595bc36eafdSMike Gerdts     OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
596bc36eafdSMike Gerdts 
597bc36eafdSMike Gerdts     switch (Op->Common.AmlOpcode)
598bc36eafdSMike Gerdts     {
599bc36eafdSMike Gerdts #ifdef ACPI_UNDER_DEVELOPMENT
600bc36eafdSMike Gerdts     case AML_ADD_OP:
601bc36eafdSMike Gerdts 
602bc36eafdSMike Gerdts         ChildOp = Op->Common.Value.Arg;
603bc36eafdSMike Gerdts         if ((ChildOp->Common.AmlOpcode == AML_INT_NAMEPATH_OP) &&
604bc36eafdSMike Gerdts             !ChildOp->Common.Node)
605bc36eafdSMike Gerdts         {
606bc36eafdSMike Gerdts             AcpiNsExternalizeName (ACPI_UINT32_MAX, ChildOp->Common.Value.String,
607bc36eafdSMike Gerdts                 NULL, &Path);
608bc36eafdSMike Gerdts             AcpiOsPrintf ("/* %-16s A-NAMEPATH: %s  */\n",
609bc36eafdSMike Gerdts                 Op->Common.AmlOpName, Path);
610bc36eafdSMike Gerdts             ACPI_FREE (Path);
611bc36eafdSMike Gerdts 
612bc36eafdSMike Gerdts             NextOp = Op->Common.Next;
613bc36eafdSMike Gerdts             if (!NextOp)
614bc36eafdSMike Gerdts             {
615bc36eafdSMike Gerdts                 /* This NamePath has no args, assume it is an integer */
616bc36eafdSMike Gerdts 
617bc36eafdSMike Gerdts                 AcpiDmAddOpToExternalList (ChildOp,
618bc36eafdSMike Gerdts                     ChildOp->Common.Value.String, ACPI_TYPE_INTEGER, 0, 0);
619bc36eafdSMike Gerdts                 return (AE_OK);
620bc36eafdSMike Gerdts             }
621bc36eafdSMike Gerdts 
622bc36eafdSMike Gerdts             ArgCount = AcpiDmInspectPossibleArgs (3, 1, NextOp);
623bc36eafdSMike Gerdts             AcpiOsPrintf ("/* A-CHILDREN: %u Actual %u */\n",
624bc36eafdSMike Gerdts                 ArgCount, AcpiDmCountChildren (Op));
625bc36eafdSMike Gerdts 
626bc36eafdSMike Gerdts             if (ArgCount < 1)
627bc36eafdSMike Gerdts             {
628bc36eafdSMike Gerdts                 /* One Arg means this is just a Store(Name,Target) */
629bc36eafdSMike Gerdts 
630bc36eafdSMike Gerdts                 AcpiDmAddOpToExternalList (ChildOp,
631bc36eafdSMike Gerdts                     ChildOp->Common.Value.String, ACPI_TYPE_INTEGER, 0, 0);
632bc36eafdSMike Gerdts                 return (AE_OK);
633bc36eafdSMike Gerdts             }
634bc36eafdSMike Gerdts 
635bc36eafdSMike Gerdts             AcpiDmAddOpToExternalList (ChildOp,
636bc36eafdSMike Gerdts                 ChildOp->Common.Value.String, ACPI_TYPE_METHOD, ArgCount, 0);
637bc36eafdSMike Gerdts         }
638bc36eafdSMike Gerdts         break;
639bc36eafdSMike Gerdts 
640bc36eafdSMike Gerdts #endif
641bc36eafdSMike Gerdts 
642bc36eafdSMike Gerdts     case AML_STORE_OP:
643bc36eafdSMike Gerdts 
644bc36eafdSMike Gerdts         ChildOp = Op->Common.Value.Arg;
645bc36eafdSMike Gerdts         if ((ChildOp->Common.AmlOpcode == AML_INT_NAMEPATH_OP) &&
646bc36eafdSMike Gerdts             !ChildOp->Common.Node)
647bc36eafdSMike Gerdts         {
648bc36eafdSMike Gerdts             NextOp = Op->Common.Next;
649bc36eafdSMike Gerdts             if (!NextOp)
650bc36eafdSMike Gerdts             {
651bc36eafdSMike Gerdts                 /* This NamePath has no args, assume it is an integer */
652bc36eafdSMike Gerdts 
653bc36eafdSMike Gerdts                 AcpiDmAddOpToExternalList (ChildOp,
654bc36eafdSMike Gerdts                     ChildOp->Common.Value.String, ACPI_TYPE_INTEGER, 0, 0);
655bc36eafdSMike Gerdts                 return (AE_OK);
656bc36eafdSMike Gerdts             }
657bc36eafdSMike Gerdts 
658bc36eafdSMike Gerdts             ArgCount = AcpiDmInspectPossibleArgs (2, 1, NextOp);
659bc36eafdSMike Gerdts             if (ArgCount <= 1)
660bc36eafdSMike Gerdts             {
661bc36eafdSMike Gerdts                 /* One Arg means this is just a Store(Name,Target) */
662bc36eafdSMike Gerdts 
663bc36eafdSMike Gerdts                 AcpiDmAddOpToExternalList (ChildOp,
664bc36eafdSMike Gerdts                     ChildOp->Common.Value.String, ACPI_TYPE_INTEGER, ArgCount, 0);
665bc36eafdSMike Gerdts                 return (AE_OK);
666bc36eafdSMike Gerdts             }
667bc36eafdSMike Gerdts 
668bc36eafdSMike Gerdts             AcpiDmAddOpToExternalList (ChildOp,
669bc36eafdSMike Gerdts                 ChildOp->Common.Value.String, ACPI_TYPE_METHOD, ArgCount, 0);
670bc36eafdSMike Gerdts         }
671bc36eafdSMike Gerdts         break;
672bc36eafdSMike Gerdts 
673bc36eafdSMike Gerdts     case AML_INT_NAMEPATH_OP:
674bc36eafdSMike Gerdts 
675bc36eafdSMike Gerdts         /* Must examine parent to see if this namepath is an argument */
676bc36eafdSMike Gerdts 
677bc36eafdSMike Gerdts         ParentOp = Op->Common.Parent;
678bc36eafdSMike Gerdts         OpInfo = AcpiPsGetOpcodeInfo (ParentOp->Common.AmlOpcode);
679bc36eafdSMike Gerdts 
680bc36eafdSMike Gerdts         if ((OpInfo->Class != AML_CLASS_EXECUTE) &&
681bc36eafdSMike Gerdts             (OpInfo->Class != AML_CLASS_CREATE) &&
682bc36eafdSMike Gerdts             (OpInfo->ObjectType != ACPI_TYPE_LOCAL_ALIAS) &&
683bc36eafdSMike Gerdts             (ParentOp->Common.AmlOpcode != AML_INT_METHODCALL_OP) &&
684bc36eafdSMike Gerdts             !Op->Common.Node)
685bc36eafdSMike Gerdts         {
686bc36eafdSMike Gerdts             ArgCount = AcpiDmInspectPossibleArgs (0, 0, Op);
687bc36eafdSMike Gerdts 
688bc36eafdSMike Gerdts             /*
689bc36eafdSMike Gerdts              * Check if namepath is a predicate for if/while or lone parameter to
690bc36eafdSMike Gerdts              * a return.
691bc36eafdSMike Gerdts              */
692bc36eafdSMike Gerdts             if (ArgCount == 0)
693bc36eafdSMike Gerdts             {
694bc36eafdSMike Gerdts                 if (((ParentOp->Common.AmlOpcode == AML_IF_OP) ||
695bc36eafdSMike Gerdts                      (ParentOp->Common.AmlOpcode == AML_WHILE_OP) ||
696bc36eafdSMike Gerdts                      (ParentOp->Common.AmlOpcode == AML_RETURN_OP)) &&
697bc36eafdSMike Gerdts 
698bc36eafdSMike Gerdts                      /* And namepath is the first argument */
699bc36eafdSMike Gerdts                      (ParentOp->Common.Value.Arg == Op))
700bc36eafdSMike Gerdts                 {
701bc36eafdSMike Gerdts                     AcpiDmAddOpToExternalList (Op,
702bc36eafdSMike Gerdts                         Op->Common.Value.String, ACPI_TYPE_INTEGER, 0, 0);
703bc36eafdSMike Gerdts                     break;
704bc36eafdSMike Gerdts                 }
705bc36eafdSMike Gerdts             }
706bc36eafdSMike Gerdts 
707bc36eafdSMike Gerdts             /*
708bc36eafdSMike Gerdts              * This is a standalone namestring (not a parameter to another
709bc36eafdSMike Gerdts              * operator) - it *must* be a method invocation, nothing else is
710bc36eafdSMike Gerdts              * grammatically possible.
711bc36eafdSMike Gerdts              */
712bc36eafdSMike Gerdts             AcpiDmAddOpToExternalList (Op,
713bc36eafdSMike Gerdts                 Op->Common.Value.String, ACPI_TYPE_METHOD, ArgCount, 0);
714bc36eafdSMike Gerdts         }
715bc36eafdSMike Gerdts         break;
716bc36eafdSMike Gerdts 
717bc36eafdSMike Gerdts     default:
718bc36eafdSMike Gerdts 
719bc36eafdSMike Gerdts         break;
720bc36eafdSMike Gerdts     }
721bc36eafdSMike Gerdts 
722bc36eafdSMike Gerdts     return (AE_OK);
723bc36eafdSMike Gerdts }
724bc36eafdSMike Gerdts 
725bc36eafdSMike Gerdts 
726bc36eafdSMike Gerdts /*******************************************************************************
727bc36eafdSMike Gerdts  *
728bc36eafdSMike Gerdts  * FUNCTION:    AcpiDmLoadDescendingOp
729bc36eafdSMike Gerdts  *
730bc36eafdSMike Gerdts  * PARAMETERS:  ASL_WALK_CALLBACK
731bc36eafdSMike Gerdts  *
732bc36eafdSMike Gerdts  * RETURN:      Status
733bc36eafdSMike Gerdts  *
734bc36eafdSMike Gerdts  * DESCRIPTION: Descending handler for namespace control method object load
735bc36eafdSMike Gerdts  *
736bc36eafdSMike Gerdts  ******************************************************************************/
737bc36eafdSMike Gerdts 
738bc36eafdSMike Gerdts static ACPI_STATUS
AcpiDmLoadDescendingOp(ACPI_PARSE_OBJECT * Op,UINT32 Level,void * Context)739bc36eafdSMike Gerdts AcpiDmLoadDescendingOp (
740bc36eafdSMike Gerdts     ACPI_PARSE_OBJECT       *Op,
741bc36eafdSMike Gerdts     UINT32                  Level,
742bc36eafdSMike Gerdts     void                    *Context)
743bc36eafdSMike Gerdts {
744bc36eafdSMike Gerdts     ACPI_OP_WALK_INFO       *Info = Context;
745bc36eafdSMike Gerdts     const ACPI_OPCODE_INFO  *OpInfo;
746bc36eafdSMike Gerdts     ACPI_WALK_STATE         *WalkState;
747bc36eafdSMike Gerdts     ACPI_OBJECT_TYPE        ObjectType;
748bc36eafdSMike Gerdts     ACPI_STATUS             Status;
749bc36eafdSMike Gerdts     char                    *Path = NULL;
750bc36eafdSMike Gerdts     ACPI_PARSE_OBJECT       *NextOp;
751bc36eafdSMike Gerdts     ACPI_NAMESPACE_NODE     *Node;
752bc36eafdSMike Gerdts     char                    FieldPath[5];
753bc36eafdSMike Gerdts     BOOLEAN                 PreDefined = FALSE;
754bc36eafdSMike Gerdts     UINT8                   PreDefineIndex = 0;
755bc36eafdSMike Gerdts 
756bc36eafdSMike Gerdts 
757bc36eafdSMike Gerdts     WalkState = Info->WalkState;
758bc36eafdSMike Gerdts     OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
759bc36eafdSMike Gerdts     ObjectType = AslMapNamedOpcodeToDataType (Op->Asl.AmlOpcode);
760bc36eafdSMike Gerdts 
761bc36eafdSMike Gerdts     /* Only interested in operators that create new names */
762bc36eafdSMike Gerdts 
763bc36eafdSMike Gerdts     if (!(OpInfo->Flags & AML_NAMED) &&
764bc36eafdSMike Gerdts         !(OpInfo->Flags & AML_CREATE))
765bc36eafdSMike Gerdts     {
766bc36eafdSMike Gerdts         goto Exit;
767bc36eafdSMike Gerdts     }
768bc36eafdSMike Gerdts 
769bc36eafdSMike Gerdts     /* Get the NamePath from the appropriate place */
770bc36eafdSMike Gerdts 
771bc36eafdSMike Gerdts     if (OpInfo->Flags & AML_NAMED)
772bc36eafdSMike Gerdts     {
773bc36eafdSMike Gerdts         /* For all named operators, get the new name */
774bc36eafdSMike Gerdts 
775*35786f68SRobert Mustacchi         Path = Op->Named.Path;
776bc36eafdSMike Gerdts 
777bc36eafdSMike Gerdts         if (!Path && Op->Common.AmlOpcode == AML_INT_NAMEDFIELD_OP)
778bc36eafdSMike Gerdts         {
779bc36eafdSMike Gerdts             *ACPI_CAST_PTR (UINT32, &FieldPath[0]) = Op->Named.Name;
780bc36eafdSMike Gerdts             FieldPath[4] = 0;
781bc36eafdSMike Gerdts             Path = FieldPath;
782bc36eafdSMike Gerdts         }
783bc36eafdSMike Gerdts     }
784bc36eafdSMike Gerdts     else if (OpInfo->Flags & AML_CREATE)
785bc36eafdSMike Gerdts     {
786bc36eafdSMike Gerdts         /* New name is the last child */
787bc36eafdSMike Gerdts 
788bc36eafdSMike Gerdts         NextOp = Op->Common.Value.Arg;
789bc36eafdSMike Gerdts 
790bc36eafdSMike Gerdts         while (NextOp->Common.Next)
791bc36eafdSMike Gerdts         {
792bc36eafdSMike Gerdts             NextOp = NextOp->Common.Next;
793bc36eafdSMike Gerdts         }
794bc36eafdSMike Gerdts 
795bc36eafdSMike Gerdts         Path = NextOp->Common.Value.