1bc36eafdSMike Gerdts /******************************************************************************
2bc36eafdSMike Gerdts *
3bc36eafdSMike Gerdts * Module Name: psutils - Parser miscellaneous utilities (Parser only)
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 *
134*35786f68SRobert Mustacchi * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135*35786f68SRobert Mustacchi * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136*35786f68SRobert Mustacchi * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137*35786f68SRobert Mustacchi * 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
147bc36eafdSMike Gerdts * GNU General Public License ("GPL") version 2 as published by the Free
148bc36eafdSMike Gerdts * Software Foundation.
149bc36eafdSMike Gerdts *
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"
156*35786f68SRobert Mustacchi #include "acconvert.h"
157bc36eafdSMike Gerdts
158bc36eafdSMike Gerdts #define _COMPONENT ACPI_PARSER
159bc36eafdSMike Gerdts ACPI_MODULE_NAME ("psutils")
160bc36eafdSMike Gerdts
161bc36eafdSMike Gerdts
162bc36eafdSMike Gerdts /*******************************************************************************
163bc36eafdSMike Gerdts *
164bc36eafdSMike Gerdts * FUNCTION: AcpiPsCreateScopeOp
165bc36eafdSMike Gerdts *
166bc36eafdSMike Gerdts * PARAMETERS: None
167bc36eafdSMike Gerdts *
168bc36eafdSMike Gerdts * RETURN: A new Scope object, null on failure
169bc36eafdSMike Gerdts *
170bc36eafdSMike Gerdts * DESCRIPTION: Create a Scope and associated namepath op with the root name
171bc36eafdSMike Gerdts *
172bc36eafdSMike Gerdts ******************************************************************************/
173bc36eafdSMike Gerdts
174bc36eafdSMike Gerdts ACPI_PARSE_OBJECT *
AcpiPsCreateScopeOp(UINT8 * Aml)175bc36eafdSMike Gerdts AcpiPsCreateScopeOp (
176bc36eafdSMike Gerdts UINT8 *Aml)
177bc36eafdSMike Gerdts {
178bc36eafdSMike Gerdts ACPI_PARSE_OBJECT *ScopeOp;
179bc36eafdSMike Gerdts
180bc36eafdSMike Gerdts
181bc36eafdSMike Gerdts ScopeOp = AcpiPsAllocOp (AML_SCOPE_OP, Aml);
182bc36eafdSMike Gerdts if (!ScopeOp)
183bc36eafdSMike Gerdts {
184bc36eafdSMike Gerdts return (NULL);
185bc36eafdSMike Gerdts }
186bc36eafdSMike Gerdts
187bc36eafdSMike Gerdts ScopeOp->Named.Name = ACPI_ROOT_NAME;
188bc36eafdSMike Gerdts return (ScopeOp);
189bc36eafdSMike Gerdts }
190bc36eafdSMike Gerdts
191bc36eafdSMike Gerdts
192bc36eafdSMike Gerdts /*******************************************************************************
193bc36eafdSMike Gerdts *
194bc36eafdSMike Gerdts * FUNCTION: AcpiPsInitOp
195bc36eafdSMike Gerdts *
196bc36eafdSMike Gerdts * PARAMETERS: Op - A newly allocated Op object
197bc36eafdSMike Gerdts * Opcode - Opcode to store in the Op
198bc36eafdSMike Gerdts *
199bc36eafdSMike Gerdts * RETURN: None
200bc36eafdSMike Gerdts *
201bc36eafdSMike Gerdts * DESCRIPTION: Initialize a parse (Op) object
202bc36eafdSMike Gerdts *
203bc36eafdSMike Gerdts ******************************************************************************/
204bc36eafdSMike Gerdts
205bc36eafdSMike Gerdts void
AcpiPsInitOp(ACPI_PARSE_OBJECT * Op,UINT16 Opcode)206bc36eafdSMike Gerdts AcpiPsInitOp (
207bc36eafdSMike Gerdts ACPI_PARSE_OBJECT *Op,
208bc36eafdSMike Gerdts UINT16 Opcode)
209bc36eafdSMike Gerdts {
210bc36eafdSMike Gerdts ACPI_FUNCTION_ENTRY ();
211bc36eafdSMike Gerdts
212bc36eafdSMike Gerdts
213bc36eafdSMike Gerdts Op->Common.DescriptorType = ACPI_DESC_TYPE_PARSER;
214bc36eafdSMike Gerdts Op->Common.AmlOpcode = Opcode;
215bc36eafdSMike Gerdts
216*35786f68SRobert Mustacchi ACPI_DISASM_ONLY_MEMBERS (AcpiUtSafeStrncpy (Op->Common.AmlOpName,
217bc36eafdSMike Gerdts (AcpiPsGetOpcodeInfo (Opcode))->Name,
218bc36eafdSMike Gerdts sizeof (Op->Common.AmlOpName)));
219bc36eafdSMike Gerdts }
220bc36eafdSMike Gerdts
221bc36eafdSMike Gerdts
222bc36eafdSMike Gerdts /*******************************************************************************
223bc36eafdSMike Gerdts *
224bc36eafdSMike Gerdts * FUNCTION: AcpiPsAllocOp
225bc36eafdSMike Gerdts *
226bc36eafdSMike Gerdts * PARAMETERS: Opcode - Opcode that will be stored in the new Op
227bc36eafdSMike Gerdts * Aml - Address of the opcode
228bc36eafdSMike Gerdts *
229bc36eafdSMike Gerdts * RETURN: Pointer to the new Op, null on failure
230bc36eafdSMike Gerdts *
231bc36eafdSMike Gerdts * DESCRIPTION: Allocate an acpi_op, choose op type (and thus size) based on
232bc36eafdSMike Gerdts * opcode. A cache of opcodes is available for the pure
233bc36eafdSMike Gerdts * GENERIC_OP, since this is by far the most commonly used.
234bc36eafdSMike Gerdts *
235bc36eafdSMike Gerdts ******************************************************************************/
236bc36eafdSMike Gerdts
237bc36eafdSMike Gerdts ACPI_PARSE_OBJECT*
AcpiPsAllocOp(UINT16 Opcode,UINT8 * Aml)238bc36eafdSMike Gerdts AcpiPsAllocOp (
239bc36eafdSMike Gerdts UINT16 Opcode,
240bc36eafdSMike Gerdts UINT8 *Aml)
241bc36eafdSMike Gerdts {
242bc36eafdSMike Gerdts ACPI_PARSE_OBJECT *Op;
243bc36eafdSMike Gerdts const ACPI_OPCODE_INFO *OpInfo;
244bc36eafdSMike Gerdts UINT8 Flags = ACPI_PARSEOP_GENERIC;
245bc36eafdSMike Gerdts
246bc36eafdSMike Gerdts
247bc36eafdSMike Gerdts ACPI_FUNCTION_ENTRY ();
248bc36eafdSMike Gerdts
249bc36eafdSMike Gerdts
250bc36eafdSMike Gerdts OpInfo = AcpiPsGetOpcodeInfo (Opcode);
251bc36eafdSMike Gerdts
252bc36eafdSMike Gerdts /* Determine type of ParseOp required */
253bc36eafdSMike Gerdts
254bc36eafdSMike Gerdts if (OpInfo->Flags & AML_DEFER)
255bc36eafdSMike Gerdts {
256bc36eafdSMike Gerdts Flags = ACPI_PARSEOP_DEFERRED;
257bc36eafdSMike Gerdts }
258bc36eafdSMike Gerdts else if (OpInfo->Flags & AML_NAMED)
259bc36eafdSMike Gerdts {
260bc36eafdSMike Gerdts Flags = ACPI_PARSEOP_NAMED_OBJECT;
261bc36eafdSMike Gerdts }
262bc36eafdSMike Gerdts else if (Opcode == AML_INT_BYTELIST_OP)
263bc36eafdSMike Gerdts {
264bc36eafdSMike Gerdts Flags = ACPI_PARSEOP_BYTELIST;
265bc36eafdSMike Gerdts }
266bc36eafdSMike Gerdts
267bc36eafdSMike Gerdts /* Allocate the minimum required size object */
268bc36eafdSMike Gerdts
269bc36eafdSMike Gerdts if (Flags == ACPI_PARSEOP_GENERIC)
270bc36eafdSMike Gerdts {
271bc36eafdSMike Gerdts /* The generic op (default) is by far the most common (16 to 1) */
272bc36eafdSMike Gerdts
273bc36eafdSMike Gerdts Op = AcpiOsAcquireObject (AcpiGbl_PsNodeCache);
274bc36eafdSMike Gerdts }
275bc36eafdSMike Gerdts else
276bc36eafdSMike Gerdts {
277bc36eafdSMike Gerdts /* Extended parseop */
278bc36eafdSMike Gerdts
279bc36eafdSMike Gerdts Op = AcpiOsAcquireObject (AcpiGbl_PsNodeExtCache);
280bc36eafdSMike Gerdts }
281bc36eafdSMike Gerdts
282bc36eafdSMike Gerdts /* Initialize the Op */
283bc36eafdSMike Gerdts
284bc36eafdSMike Gerdts if (Op)
285bc36eafdSMike Gerdts {
286bc36eafdSMike Gerdts AcpiPsInitOp (Op, Opcode);
287bc36eafdSMike Gerdts Op->Common.Aml = Aml;
288bc36eafdSMike Gerdts Op->Common.Flags = Flags;
289*35786f68SRobert Mustacchi ASL_CV_CLEAR_OP_COMMENTS(Op);
290*35786f68SRobert Mustacchi
291*35786f68SRobert Mustacchi if (Opcode == AML_SCOPE_OP)
292*35786f68SRobert Mustacchi {
293*35786f68SRobert Mustacchi AcpiGbl_CurrentScope = Op;
294*35786f68SRobert Mustacchi }
295*35786f68SRobert Mustacchi
296*35786f68SRobert Mustacchi if (AcpiGbl_CaptureComments)
297*35786f68SRobert Mustacchi {
298*35786f68SRobert Mustacchi ASL_CV_TRANSFER_COMMENTS (Op);
299*35786f68SRobert Mustacchi }
300bc36eafdSMike Gerdts }
301bc36eafdSMike Gerdts
302bc36eafdSMike Gerdts return (Op);
303bc36eafdSMike Gerdts }
304bc36eafdSMike Gerdts
305bc36eafdSMike Gerdts
306bc36eafdSMike Gerdts /*******************************************************************************
307bc36eafdSMike Gerdts *
308bc36eafdSMike Gerdts * FUNCTION: AcpiPsFreeOp
309bc36eafdSMike Gerdts *
310bc36eafdSMike Gerdts * PARAMETERS: Op - Op to be freed
311bc36eafdSMike Gerdts *
312bc36eafdSMike Gerdts * RETURN: None.
313bc36eafdSMike Gerdts *
314bc36eafdSMike Gerdts * DESCRIPTION: Free an Op object. Either put it on the GENERIC_OP cache list
315bc36eafdSMike Gerdts * or actually free it.
316bc36eafdSMike Gerdts *
317bc36eafdSMike Gerdts ******************************************************************************/
318bc36eafdSMike Gerdts
319bc36eafdSMike Gerdts void
AcpiPsFreeOp(ACPI_PARSE_OBJECT * Op)320bc36eafdSMike Gerdts AcpiPsFreeOp (
321bc36eafdSMike Gerdts ACPI_PARSE_OBJECT *Op)
322bc36eafdSMike Gerdts {
323bc36eafdSMike Gerdts ACPI_FUNCTION_NAME (PsFreeOp);
324bc36eafdSMike Gerdts
325bc36eafdSMike Gerdts
326*35786f68SRobert Mustacchi ASL_CV_CLEAR_OP_COMMENTS(Op);
327bc36eafdSMike Gerdts if (Op->Common.AmlOpcode == AML_INT_RETURN_VALUE_OP)
328bc36eafdSMike Gerdts {
329bc36eafdSMike Gerdts ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
330bc36eafdSMike Gerdts "Free retval op: %p\n", Op));
331bc36eafdSMike Gerdts }
332bc36eafdSMike Gerdts
333bc36eafdSMike Gerdts if (Op->Common.Flags & ACPI_PARSEOP_GENERIC)
334bc36eafdSMike Gerdts {
335bc36eafdSMike Gerdts (void) AcpiOsReleaseObject (AcpiGbl_PsNodeCache, Op);
336bc36eafdSMike Gerdts }
337bc36eafdSMike Gerdts else
338bc36eafdSMike Gerdts {
339bc36eafdSMike Gerdts (void) AcpiOsReleaseObject (AcpiGbl_PsNodeExtCache, Op);
340bc36eafdSMike Gerdts }
341bc36eafdSMike Gerdts }
342bc36eafdSMike Gerdts
343bc36eafdSMike Gerdts
344bc36eafdSMike Gerdts /*******************************************************************************
345bc36eafdSMike Gerdts *
346bc36eafdSMike Gerdts * FUNCTION: Utility functions
347bc36eafdSMike Gerdts *
348bc36eafdSMike Gerdts * DESCRIPTION: Low level character and object functions
349bc36eafdSMike Gerdts *
350bc36eafdSMike Gerdts ******************************************************************************/
351bc36eafdSMike Gerdts
352bc36eafdSMike Gerdts
353bc36eafdSMike Gerdts /*
354bc36eafdSMike Gerdts * Is "c" a namestring lead character?
355bc36eafdSMike Gerdts */
356bc36eafdSMike Gerdts BOOLEAN
AcpiPsIsLeadingChar(UINT32 c)357bc36eafdSMike Gerdts AcpiPsIsLeadingChar (
358bc36eafdSMike Gerdts UINT32 c)
359bc36eafdSMike Gerdts {
360bc36eafdSMike Gerdts return ((BOOLEAN) (c == '_' || (c >= 'A' && c <= 'Z')));
361bc36eafdSMike Gerdts }
362bc36eafdSMike Gerdts
363bc36eafdSMike Gerdts
364bc36eafdSMike Gerdts /*
365bc36eafdSMike Gerdts * Get op's name (4-byte name segment) or 0 if unnamed
366bc36eafdSMike Gerdts */
367bc36eafdSMike Gerdts UINT32
AcpiPsGetName(ACPI_PARSE_OBJECT * Op)368bc36eafdSMike Gerdts AcpiPsGetName (
369bc36eafdSMike Gerdts ACPI_PARSE_OBJECT *Op)
370bc36eafdSMike Gerdts {
371bc36eafdSMike Gerdts
372bc36eafdSMike Gerdts /* The "generic" object has no name associated with it */
373bc36eafdSMike Gerdts
374bc36eafdSMike Gerdts if (Op->Common.Flags & ACPI_PARSEOP_GENERIC)
375bc36eafdSMike Gerdts {
376bc36eafdSMike Gerdts return (0);
377bc36eafdSMike Gerdts }
378bc36eafdSMike Gerdts
379bc36eafdSMike Gerdts /* Only the "Extended" parse objects have a name */
380bc36eafdSMike Gerdts
381bc36eafdSMike Gerdts return (Op->Named.Name);
382bc36eafdSMike Gerdts }
383bc36eafdSMike Gerdts
384bc36eafdSMike Gerdts
385bc36eafdSMike Gerdts /*
386bc36eafdSMike Gerdts * Set op's name
387bc36eafdSMike Gerdts */
388bc36eafdSMike Gerdts void
AcpiPsSetName(ACPI_PARSE_OBJECT * Op,UINT32 name)389bc36eafdSMike Gerdts AcpiPsSetName (
390bc36eafdSMike Gerdts ACPI_PARSE_OBJECT *Op,
391bc36eafdSMike Gerdts UINT32 name)
392bc36eafdSMike Gerdts {
393bc36eafdSMike Gerdts
394bc36eafdSMike Gerdts /* The "generic" object has no name associated with it */
395bc36eafdSMike Gerdts
396bc36eafdSMike Gerdts if (Op->Common.Flags & ACPI_PARSEOP_GENERIC)
397bc36eafdSMike Gerdts {
398bc36eafdSMike Gerdts return;
399bc36eafdSMike Gerdts }
400bc36eafdSMike Gerdts
401bc36eafdSMike Gerdts Op->Named.Name = name;
402bc36eafdSMike Gerdts }
403