17c478bd9Sstevel@tonic-gate /******************************************************************************
27c478bd9Sstevel@tonic-gate *
37c478bd9Sstevel@tonic-gate * Module Name: nsparse - namespace interface to AML parser
47c478bd9Sstevel@tonic-gate *
57c478bd9Sstevel@tonic-gate *****************************************************************************/
67c478bd9Sstevel@tonic-gate
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.
127c478bd9Sstevel@tonic-gate * All rights reserved.
137c478bd9Sstevel@tonic-gate *
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 *
11926f3cdf0SGordon Ross * Redistribution and use in source and binary forms, with or without
12026f3cdf0SGordon Ross * modification, are permitted provided that the following conditions
12126f3cdf0SGordon Ross * are met:
12226f3cdf0SGordon Ross * 1. Redistributions of source code must retain the above copyright
12326f3cdf0SGordon Ross * notice, this list of conditions, and the following disclaimer,
12426f3cdf0SGordon Ross * without modification.
12526f3cdf0SGordon Ross * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12626f3cdf0SGordon Ross * substantially similar to the "NO WARRANTY" disclaimer below
12726f3cdf0SGordon Ross * ("Disclaimer") and any redistribution must be conditioned upon
12826f3cdf0SGordon Ross * including a substantially similar Disclaimer requirement for further
12926f3cdf0SGordon Ross * binary redistribution.
13026f3cdf0SGordon Ross * 3. Neither the names of the above-listed copyright holders nor the names
13126f3cdf0SGordon Ross * of any contributors may be used to endorse or promote products derived
13226f3cdf0SGordon Ross * from this software without specific prior written permission.
13326f3cdf0SGordon Ross *
13426f3cdf0SGordon Ross * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
13526f3cdf0SGordon Ross * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136*35786f68SRobert Mustacchi * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
13726f3cdf0SGordon Ross * 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 *****************************************************************************/
1517c478bd9Sstevel@tonic-gate
1527c478bd9Sstevel@tonic-gate #include "acpi.h"
153aa2aa9a6SDana Myers #include "accommon.h"
1547c478bd9Sstevel@tonic-gate #include "acnamesp.h"
1557c478bd9Sstevel@tonic-gate #include "acparser.h"
1567c478bd9Sstevel@tonic-gate #include "acdispat.h"
157db2bae30SDana Myers #include "actables.h"
158*35786f68SRobert Mustacchi #include "acinterp.h"
1597c478bd9Sstevel@tonic-gate
1607c478bd9Sstevel@tonic-gate
1617c478bd9Sstevel@tonic-gate #define _COMPONENT ACPI_NAMESPACE
1627c478bd9Sstevel@tonic-gate ACPI_MODULE_NAME ("nsparse")
1637c478bd9Sstevel@tonic-gate
1647c478bd9Sstevel@tonic-gate
165*35786f68SRobert Mustacchi /*******************************************************************************
166*35786f68SRobert Mustacchi *
167*35786f68SRobert Mustacchi * FUNCTION: NsExecuteTable
168*35786f68SRobert Mustacchi *
169*35786f68SRobert Mustacchi * PARAMETERS: TableDesc - An ACPI table descriptor for table to parse
170*35786f68SRobert Mustacchi * StartNode - Where to enter the table into the namespace
171*35786f68SRobert Mustacchi *
172*35786f68SRobert Mustacchi * RETURN: Status
173*35786f68SRobert Mustacchi *
174*35786f68SRobert Mustacchi * DESCRIPTION: Load ACPI/AML table by executing the entire table as a single
175*35786f68SRobert Mustacchi * large control method.
176*35786f68SRobert Mustacchi *
177*35786f68SRobert Mustacchi * NOTE: The point of this is to execute any module-level code in-place
178*35786f68SRobert Mustacchi * as the table is parsed. Some AML code depends on this behavior.
179*35786f68SRobert Mustacchi *
180*35786f68SRobert Mustacchi * It is a run-time option at this time, but will eventually become
181*35786f68SRobert Mustacchi * the default.
182*35786f68SRobert Mustacchi *
183*35786f68SRobert Mustacchi * Note: This causes the table to only have a single-pass parse.
184*35786f68SRobert Mustacchi * However, this is compatible with other ACPI implementations.
185*35786f68SRobert Mustacchi *
186*35786f68SRobert Mustacchi ******************************************************************************/
187*35786f68SRobert Mustacchi
188*35786f68SRobert Mustacchi ACPI_STATUS
AcpiNsExecuteTable(UINT32 TableIndex,ACPI_NAMESPACE_NODE * StartNode)189*35786f68SRobert Mustacchi AcpiNsExecuteTable (
190*35786f68SRobert Mustacchi UINT32 TableIndex,
191*35786f68SRobert Mustacchi ACPI_NAMESPACE_NODE *StartNode)
192*35786f68SRobert Mustacchi {
193*35786f68SRobert Mustacchi ACPI_STATUS Status;
194*35786f68SRobert Mustacchi ACPI_TABLE_HEADER *Table;
195*35786f68SRobert Mustacchi ACPI_OWNER_ID OwnerId;
196*35786f68SRobert Mustacchi ACPI_EVALUATE_INFO *Info = NULL;
197*35786f68SRobert Mustacchi UINT32 AmlLength;
198*35786f68SRobert Mustacchi UINT8 *AmlStart;
199*35786f68SRobert Mustacchi ACPI_OPERAND_OBJECT *MethodObj = NULL;
200*35786f68SRobert Mustacchi
201*35786f68SRobert Mustacchi
202*35786f68SRobert Mustacchi ACPI_FUNCTION_TRACE (NsExecuteTable);
203*35786f68SRobert Mustacchi
204*35786f68SRobert Mustacchi
205*35786f68SRobert Mustacchi Status = AcpiGetTableByIndex (TableIndex, &Table);
206*35786f68SRobert Mustacchi if (ACPI_FAILURE (Status))
207*35786f68SRobert Mustacchi {
208*35786f68SRobert Mustacchi return_ACPI_STATUS (Status);
209*35786f68SRobert Mustacchi }
210*35786f68SRobert Mustacchi
211*35786f68SRobert Mustacchi /* Table must consist of at least a complete header */
212*35786f68SRobert Mustacchi
213*35786f68SRobert Mustacchi if (Table->Length < sizeof (ACPI_TABLE_HEADER))
214*35786f68SRobert Mustacchi {
215*35786f68SRobert Mustacchi return_ACPI_STATUS (AE_BAD_HEADER);
216*35786f68SRobert Mustacchi }
217*35786f68SRobert Mustacchi
218*35786f68SRobert Mustacchi AmlStart = (UINT8 *) Table + sizeof (ACPI_TABLE_HEADER);
219*35786f68SRobert Mustacchi AmlLength = Table->Length - sizeof (ACPI_TABLE_HEADER);
220*35786f68SRobert Mustacchi
221*35786f68SRobert Mustacchi Status = AcpiTbGetOwnerId (TableIndex, &OwnerId);
222*35786f68SRobert Mustacchi if (ACPI_FAILURE (Status))
223*35786f68SRobert Mustacchi {
224*35786f68SRobert Mustacchi return_ACPI_STATUS (Status);
225*35786f68SRobert Mustacchi }
226*35786f68SRobert Mustacchi
227*35786f68SRobert Mustacchi /* Create, initialize, and link a new temporary method object */
228*35786f68SRobert Mustacchi
229*35786f68SRobert Mustacchi MethodObj = AcpiUtCreateInternalObject (ACPI_TYPE_METHOD);
230*35786f68SRobert Mustacchi if (!MethodObj)
231*35786f68SRobert Mustacchi {
232*35786f68SRobert Mustacchi return_ACPI_STATUS (AE_NO_MEMORY);
233*35786f68SRobert Mustacchi }
234*35786f68SRobert Mustacchi
235*35786f68SRobert Mustacchi /* Allocate the evaluation information block */
236*35786f68SRobert Mustacchi
237*35786f68SRobert Mustacchi Info = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_EVALUATE_INFO));
238*35786f68SRobert Mustacchi if (!Info)
239*35786f68SRobert Mustacchi {
240*35786f68SRobert Mustacchi Status = AE_NO_MEMORY;
241*35786f68SRobert Mustacchi goto Cleanup;
242*35786f68SRobert Mustacchi }
243*35786f68SRobert Mustacchi
244*35786f68SRobert Mustacchi ACPI_DEBUG_PRINT_RAW ((ACPI_DB_PARSE,
245*35786f68SRobert Mustacchi "%s: Create table pseudo-method for [%4.4s] @%p, method %p\n",
246*35786f68SRobert Mustacchi ACPI_GET_FUNCTION_NAME, Table->Signature, Table, MethodObj));
247*35786f68SRobert Mustacchi
248*35786f68SRobert Mustacchi MethodObj->Method.AmlStart = AmlStart;
249*35786f68SRobert Mustacchi MethodObj->Method.AmlLength = AmlLength;
250*35786f68SRobert Mustacchi MethodObj->Method.OwnerId = OwnerId;
251*35786f68SRobert Mustacchi MethodObj->Method.InfoFlags |= ACPI_METHOD_MODULE_LEVEL;
252*35786f68SRobert Mustacchi
253*35786f68SRobert Mustacchi Info->PassNumber = ACPI_IMODE_EXECUTE;
254*35786f68SRobert Mustacchi Info->Node = StartNode;
255*35786f68SRobert Mustacchi Info->ObjDesc = MethodObj;
256*35786f68SRobert Mustacchi Info->NodeFlags = Info->Node->Flags;
257*35786f68SRobert Mustacchi Info->FullPathname = AcpiNsGetNormalizedPathname (Info->Node, TRUE);
258*35786f68SRobert Mustacchi if (!Info->FullPathname)
259*35786f68SRobert Mustacchi {
260*35786f68SRobert Mustacchi Status = AE_NO_MEMORY;
261*35786f68SRobert Mustacchi goto Cleanup;
262*35786f68SRobert Mustacchi }
263*35786f68SRobert Mustacchi
264*35786f68SRobert Mustacchi Status = AcpiPsExecuteTable (Info);
265*35786f68SRobert Mustacchi
266*35786f68SRobert Mustacchi Cleanup:
267*35786f68SRobert Mustacchi if (Info)
268*35786f68SRobert Mustacchi {
269*35786f68SRobert Mustacchi ACPI_FREE (Info->FullPathname);
270*35786f68SRobert Mustacchi Info->FullPathname = NULL;
271*35786f68SRobert Mustacchi }
272*35786f68SRobert Mustacchi ACPI_FREE (Info);
273*35786f68SRobert Mustacchi AcpiUtRemoveReference (MethodObj);
274*35786f68SRobert Mustacchi return_ACPI_STATUS (Status);
275*35786f68SRobert Mustacchi }
276*35786f68SRobert Mustacchi
277*35786f68SRobert Mustacchi
2787c478bd9Sstevel@tonic-gate /*******************************************************************************
2797c478bd9Sstevel@tonic-gate *
2807c478bd9Sstevel@tonic-gate * FUNCTION: NsOneCompleteParse
2817c478bd9Sstevel@tonic-gate *
2827c478bd9Sstevel@tonic-gate * PARAMETERS: PassNumber - 1 or 2
2837c478bd9Sstevel@tonic-gate * TableDesc - The table to be parsed.
2847c478bd9Sstevel@tonic-gate *
2857c478bd9Sstevel@tonic-gate * RETURN: Status
2867c478bd9Sstevel@tonic-gate *
2877c478bd9Sstevel@tonic-gate * DESCRIPTION: Perform one complete parse of an ACPI/AML table.
2887c478bd9Sstevel@tonic-gate *
2897c478bd9Sstevel@tonic-gate ******************************************************************************/
2907c478bd9Sstevel@tonic-gate
2917c478bd9Sstevel@tonic-gate ACPI_STATUS
AcpiNsOneCompleteParse(UINT32 PassNumber,UINT32 TableIndex,ACPI_NAMESPACE_NODE * StartNode)2927c478bd9Sstevel@tonic-gate AcpiNsOneCompleteParse (
293db2bae30SDana Myers UINT32 PassNumber,
294db2bae30SDana Myers UINT32 TableIndex,
295db2bae30SDana Myers ACPI_NAMESPACE_NODE *StartNode)
2967c478bd9Sstevel@tonic-gate {
2977c478bd9Sstevel@tonic-gate ACPI_PARSE_OBJECT *ParseRoot;
2987c478bd9Sstevel@tonic-gate ACPI_STATUS Status;
299db2bae30SDana Myers UINT32 AmlLength;
300db2bae30SDana Myers UINT8 *AmlStart;
3017c478bd9Sstevel@tonic-gate ACPI_WALK_STATE *WalkState;
302db2bae30SDana Myers ACPI_TABLE_HEADER *Table;
303db2bae30SDana Myers ACPI_OWNER_ID OwnerId;
3047c478bd9Sstevel@tonic-gate
3057c478bd9Sstevel@tonic-gate
30627f7c583Smyers ACPI_FUNCTION_TRACE (NsOneCompleteParse);
3077c478bd9Sstevel@tonic-gate
3087c478bd9Sstevel@tonic-gate
3097b1019a6SJerry Jelinek Status = AcpiGetTableByIndex (TableIndex, &Table);
3107b1019a6SJerry Jelinek if (ACPI_FAILURE (Status))
3117b1019a6SJerry Jelinek {
3127b1019a6SJerry Jelinek return_ACPI_STATUS (Status);
3137b1019a6SJerry Jelinek }
3147b1019a6SJerry Jelinek
3157b1019a6SJerry Jelinek /* Table must consist of at least a complete header */
3167b1019a6SJerry Jelinek
3177b1019a6SJerry Jelinek if (Table->Length < sizeof (ACPI_TABLE_HEADER))
3187b1019a6SJerry Jelinek {
3197b1019a6SJerry Jelinek return_ACPI_STATUS (AE_BAD_HEADER);
3207b1019a6SJerry Jelinek }
3217b1019a6SJerry Jelinek
3227b1019a6SJerry Jelinek AmlStart = (UINT8 *) Table + sizeof (ACPI_TABLE_HEADER);
3237b1019a6SJerry Jelinek AmlLength = Table->Length - sizeof (ACPI_TABLE_HEADER);
3247b1019a6SJerry Jelinek
325db2bae30SDana Myers Status = AcpiTbGetOwnerId (TableIndex, &OwnerId);
326db2bae30SDana Myers if (ACPI_FAILURE (Status))
327db2bae30SDana Myers {
328db2bae30SDana Myers return_ACPI_STATUS (Status);
329db2bae30SDana Myers }
330db2bae30SDana Myers
3317c478bd9Sstevel@tonic-gate /* Create and init a Root Node */
3327c478bd9Sstevel@tonic-gate
3337b1019a6SJerry Jelinek ParseRoot = AcpiPsCreateScopeOp (AmlStart);
3347c478bd9Sstevel@tonic-gate if (!ParseRoot)
3357c478bd9Sstevel@tonic-gate {
3367c478bd9Sstevel@tonic-gate return_ACPI_STATUS (AE_NO_MEMORY);
3377c478bd9Sstevel@tonic-gate }
3387c478bd9Sstevel@tonic-gate
3397c478bd9Sstevel@tonic-gate /* Create and initialize a new walk state */
3407c478bd9Sstevel@tonic-gate
341db2bae30SDana Myers WalkState = AcpiDsCreateWalkState (OwnerId, NULL, NULL, NULL);
3427c478bd9Sstevel@tonic-gate if (!WalkState)
3437c478bd9Sstevel@tonic-gate {
3447c478bd9Sstevel@tonic-gate AcpiPsFreeOp (ParseRoot);
3457c478bd9Sstevel@tonic-gate return_ACPI_STATUS (AE_NO_MEMORY);
3467c478bd9Sstevel@tonic-gate }
3477c478bd9Sstevel@tonic-gate
3487b1019a6SJerry Jelinek Status = AcpiDsInitAmlWalk (WalkState, ParseRoot, NULL,
3497b1019a6SJerry Jelinek AmlStart, AmlLength, NULL, (UINT8) PassNumber);
3507c478bd9Sstevel@tonic-gate if (ACPI_FAILURE (Status))
3517c478bd9Sstevel@tonic-gate {
3527c478bd9Sstevel@tonic-gate AcpiDsDeleteWalkState (WalkState);
3537b1019a6SJerry Jelinek goto Cleanup;
3547c478bd9Sstevel@tonic-gate }
3557c478bd9Sstevel@tonic-gate
3567b1019a6SJerry Jelinek /* Found OSDT table, enable the namespace override feature */
357db2bae30SDana Myers
3587b1019a6SJerry Jelinek if (ACPI_COMPARE_NAME(Table->Signature, ACPI_SIG_OSDT) &&
3597b1019a6SJerry Jelinek PassNumber == ACPI_IMODE_LOAD_PASS1)
360db2bae30SDana Myers {
3617b1019a6SJerry Jelinek WalkState->NamespaceOverride = TRUE;
362db2bae30SDana Myers }
363db2bae30SDana Myers
364db2bae30SDana Myers /* StartNode is the default location to load the table */
365db2bae30SDana Myers
366db2bae30SDana Myers if (StartNode && StartNode != AcpiGbl_RootNode)
367db2bae30SDana Myers {
3687b1019a6SJerry Jelinek Status = AcpiDsScopeStackPush (
3697b1019a6SJerry Jelinek StartNode, ACPI_TYPE_METHOD, WalkState);
370db2bae30SDana Myers if (ACPI_FAILURE (Status))
371db2bae30SDana Myers {
372db2bae30SDana Myers AcpiDsDeleteWalkState (WalkState);
373db2bae30SDana Myers goto Cleanup;
374db2bae30SDana Myers }
375db2bae30SDana Myers }
376db2bae30SDana Myers
3777c478bd9Sstevel@tonic-gate /* Parse the AML */
3787c478bd9Sstevel@tonic-gate
3797b1019a6SJerry Jelinek ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
3807b1019a6SJerry Jelinek "*PARSE* pass %u parse\n", PassNumber));
381*35786f68SRobert Mustacchi AcpiExEnterInterpreter ();
3827c478bd9Sstevel@tonic-gate Status = AcpiPsParseAml (WalkState);
383*35786f68SRobert Mustacchi AcpiExExitInterpreter ();
3847c478bd9Sstevel@tonic-gate
385db2bae30SDana Myers Cleanup:
3867c478bd9Sstevel@tonic-gate AcpiPsDeleteParseTree (ParseRoot);
3877c478bd9Sstevel@tonic-gate return_ACPI_STATUS (Status);
3887c478bd9Sstevel@tonic-gate }
3897c478bd9Sstevel@tonic-gate
3907c478bd9Sstevel@tonic-gate
3917c478bd9Sstevel@tonic-gate /*******************************************************************************
3927c478bd9Sstevel@tonic-gate *
3937c478bd9Sstevel@tonic-gate * FUNCTION: AcpiNsParseTable
3947c478bd9Sstevel@tonic-gate *
3957c478bd9Sstevel@tonic-gate * PARAMETERS: TableDesc - An ACPI table descriptor for table to parse
3967c478bd9Sstevel@tonic-gate * StartNode - Where to enter the table into the namespace
3977c478bd9Sstevel@tonic-gate *
3987c478bd9Sstevel@tonic-gate * RETURN: Status
3997c478bd9Sstevel@tonic-gate *
4007c478bd9Sstevel@tonic-gate * DESCRIPTION: Parse AML within an ACPI table and return a tree of ops
4017c478bd9Sstevel@tonic-gate *
4027c478bd9Sstevel@tonic-gate ******************************************************************************/
4037c478bd9Sstevel@tonic-gate
4047c478bd9Sstevel@tonic-gate ACPI_STATUS
AcpiNsParseTable(UINT32 TableIndex,ACPI_NAMESPACE_NODE * StartNode)4057c478bd9Sstevel@tonic-gate AcpiNsParseTable (
406db2bae30SDana Myers UINT32 TableIndex,
4077c478bd9Sstevel@tonic-gate ACPI_NAMESPACE_NODE *StartNode)
4087c478bd9Sstevel@tonic-gate {
4097c478bd9Sstevel@tonic-gate ACPI_STATUS Status;
4107c478bd9Sstevel@tonic-gate
4117c478bd9Sstevel@tonic-gate
41227f7c583Smyers ACPI_FUNCTION_TRACE (NsParseTable);
4137c478bd9Sstevel@tonic-gate
4147c478bd9Sstevel@tonic-gate
415*35786f68SRobert Mustacchi if (AcpiGbl_ExecuteTablesAsMethods)
4167c478bd9Sstevel@tonic-gate {
417*35786f68SRobert Mustacchi /*
418*35786f68SRobert Mustacchi * This case executes the AML table as one large control method.
419*35786f68SRobert Mustacchi * The point of this is to execute any module-level code in-place
420*35786f68SRobert Mustacchi * as the table is parsed. Some AML code depends on this behavior.
421*35786f68SRobert Mustacchi *
422*35786f68SRobert Mustacchi * It is a run-time option at this time, but will eventually become
423*35786f68SRobert Mustacchi * the default.
424*35786f68SRobert Mustacchi *
425*35786f68SRobert Mustacchi * Note: This causes the table to only have a single-pass parse.
426*35786f68SRobert Mustacchi * However, this is compatible with other ACPI implementations.
427*35786f68SRobert Mustacchi */
428*35786f68SRobert Mustacchi ACPI_DEBUG_PRINT_RAW ((ACPI_DB_PARSE,
429*35786f68SRobert Mustacchi "%s: **** Start table execution pass\n", ACPI_GET_FUNCTION_NAME));
430*35786f68SRobert Mustacchi
431*35786f68SRobert Mustacchi Status = AcpiNsExecuteTable (TableIndex, StartNode);
432*35786f68SRobert Mustacchi if (ACPI_FAILURE (Status))
433*35786f68SRobert Mustacchi {
434*35786f68SRobert Mustacchi return_ACPI_STATUS (Status);
435*35786f68SRobert Mustacchi }
4367c478bd9Sstevel@tonic-gate }
437*35786f68SRobert Mustacchi else
4387c478bd9Sstevel@tonic-gate {
439*35786f68SRobert Mustacchi /*
440*35786f68SRobert Mustacchi * AML Parse, pass 1
441*35786f68SRobert Mustacchi *
442*35786f68SRobert Mustacchi * In this pass, we load most of the namespace. Control methods
443*35786f68SRobert Mustacchi * are not parsed until later. A parse tree is not created.
444*35786f68SRobert Mustacchi * Instead, each Parser Op subtree is deleted when it is finished.
445*35786f68SRobert Mustacchi * This saves a great deal of memory, and allows a small cache of
446*35786f68SRobert Mustacchi * parse objects to service the entire parse. The second pass of
447*35786f68SRobert Mustacchi * the parse then performs another complete parse of the AML.
448*35786f68SRobert Mustacchi */
449*35786f68SRobert Mustacchi ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "**** Start pass 1\n"));
450*35786f68SRobert Mustacchi
451*35786f68SRobert Mustacchi Status = AcpiNsOneCompleteParse (ACPI_IMODE_LOAD_PASS1,
452*35786f68SRobert Mustacchi TableIndex, StartNode);
453*35786f68SRobert Mustacchi if (ACPI_FAILURE (Status))
454*35786f68SRobert Mustacchi {
455*35786f68SRobert Mustacchi return_ACPI_STATUS (Status);
456*35786f68SRobert Mustacchi }
457*35786f68SRobert Mustacchi
458*35786f68SRobert Mustacchi /*
459*35786f68SRobert Mustacchi * AML Parse, pass 2
460*35786f68SRobert Mustacchi *
461*35786f68SRobert Mustacchi * In this pass, we resolve forward references and other things
462*35786f68SRobert Mustacchi * that could not be completed during the first pass.
463*35786f68SRobert Mustacchi * Another complete parse of the AML is performed, but the
464*35786f68SRobert Mustacchi * overhead of this is compensated for by the fact that the
465*35786f68SRobert Mustacchi * parse objects are all cached.
466*35786f68SRobert Mustacchi */
467*35786f68SRobert Mustacchi ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "**** Start pass 2\n"));
468*35786f68SRobert Mustacchi Status = AcpiNsOneCompleteParse (ACPI_IMODE_LOAD_PASS2,
469*35786f68SRobert Mustacchi TableIndex, StartNode);
470*35786f68SRobert Mustacchi if (ACPI_FAILURE (Status))
471*35786f68SRobert Mustacchi {
472*35786f68SRobert Mustacchi return_ACPI_STATUS (Status);
473*35786f68SRobert Mustacchi }
4747c478bd9Sstevel@tonic-gate }
4757c478bd9Sstevel@tonic-gate
4767c478bd9Sstevel@tonic-gate return_ACPI_STATUS (Status);
4777c478bd9Sstevel@tonic-gate }
478