1bc36eafdSMike Gerdts /******************************************************************************
2bc36eafdSMike Gerdts *
3bc36eafdSMike Gerdts * Module Name: psxface - Parser external interfaces
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 "acdispat.h"
156bc36eafdSMike Gerdts #include "acinterp.h"
157bc36eafdSMike Gerdts #include "actables.h"
158bc36eafdSMike Gerdts #include "acnamesp.h"
159bc36eafdSMike Gerdts
160bc36eafdSMike Gerdts
161bc36eafdSMike Gerdts #define _COMPONENT ACPI_PARSER
162bc36eafdSMike Gerdts ACPI_MODULE_NAME ("psxface")
163bc36eafdSMike Gerdts
164bc36eafdSMike Gerdts /* Local Prototypes */
165bc36eafdSMike Gerdts
166bc36eafdSMike Gerdts static void
167bc36eafdSMike Gerdts AcpiPsUpdateParameterList (
168bc36eafdSMike Gerdts ACPI_EVALUATE_INFO *Info,
169bc36eafdSMike Gerdts UINT16 Action);
170bc36eafdSMike Gerdts
171bc36eafdSMike Gerdts
172bc36eafdSMike Gerdts /*******************************************************************************
173bc36eafdSMike Gerdts *
174bc36eafdSMike Gerdts * FUNCTION: AcpiDebugTrace
175bc36eafdSMike Gerdts *
176bc36eafdSMike Gerdts * PARAMETERS: MethodName - Valid ACPI name string
177bc36eafdSMike Gerdts * DebugLevel - Optional level mask. 0 to use default
178bc36eafdSMike Gerdts * DebugLayer - Optional layer mask. 0 to use default
179bc36eafdSMike Gerdts * Flags - bit 1: one shot(1) or persistent(0)
180bc36eafdSMike Gerdts *
181bc36eafdSMike Gerdts * RETURN: Status
182bc36eafdSMike Gerdts *
183bc36eafdSMike Gerdts * DESCRIPTION: External interface to enable debug tracing during control
184bc36eafdSMike Gerdts * method execution
185bc36eafdSMike Gerdts *
186bc36eafdSMike Gerdts ******************************************************************************/
187bc36eafdSMike Gerdts
188bc36eafdSMike Gerdts ACPI_STATUS
AcpiDebugTrace(const char * Name,UINT32 DebugLevel,UINT32 DebugLayer,UINT32 Flags)189bc36eafdSMike Gerdts AcpiDebugTrace (
190bc36eafdSMike Gerdts const char *Name,
191bc36eafdSMike Gerdts UINT32 DebugLevel,
192bc36eafdSMike Gerdts UINT32 DebugLayer,
193bc36eafdSMike Gerdts UINT32 Flags)
194bc36eafdSMike Gerdts {
195bc36eafdSMike Gerdts ACPI_STATUS Status;
196bc36eafdSMike Gerdts
197bc36eafdSMike Gerdts
198bc36eafdSMike Gerdts Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
199bc36eafdSMike Gerdts if (ACPI_FAILURE (Status))
200bc36eafdSMike Gerdts {
201bc36eafdSMike Gerdts return (Status);
202bc36eafdSMike Gerdts }
203bc36eafdSMike Gerdts
204bc36eafdSMike Gerdts AcpiGbl_TraceMethodName = Name;
205bc36eafdSMike Gerdts AcpiGbl_TraceFlags = Flags;
206bc36eafdSMike Gerdts AcpiGbl_TraceDbgLevel = DebugLevel;
207bc36eafdSMike Gerdts AcpiGbl_TraceDbgLayer = DebugLayer;
208bc36eafdSMike Gerdts Status = AE_OK;
209bc36eafdSMike Gerdts
210bc36eafdSMike Gerdts (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
211bc36eafdSMike Gerdts return (Status);
212bc36eafdSMike Gerdts }
213bc36eafdSMike Gerdts
214bc36eafdSMike Gerdts
215bc36eafdSMike Gerdts /*******************************************************************************
216bc36eafdSMike Gerdts *
217bc36eafdSMike Gerdts * FUNCTION: AcpiPsExecuteMethod
218bc36eafdSMike Gerdts *
219bc36eafdSMike Gerdts * PARAMETERS: Info - Method info block, contains:
220bc36eafdSMike Gerdts * Node - Method Node to execute
221bc36eafdSMike Gerdts * ObjDesc - Method object
222bc36eafdSMike Gerdts * Parameters - List of parameters to pass to the method,
223bc36eafdSMike Gerdts * terminated by NULL. Params itself may be
224bc36eafdSMike Gerdts * NULL if no parameters are being passed.
225bc36eafdSMike Gerdts * ReturnObject - Where to put method's return value (if
226bc36eafdSMike Gerdts * any). If NULL, no value is returned.
227bc36eafdSMike Gerdts * ParameterType - Type of Parameter list
228bc36eafdSMike Gerdts * ReturnObject - Where to put method's return value (if
229bc36eafdSMike Gerdts * any). If NULL, no value is returned.
230bc36eafdSMike Gerdts * PassNumber - Parse or execute pass
231bc36eafdSMike Gerdts *
232bc36eafdSMike Gerdts * RETURN: Status
233bc36eafdSMike Gerdts *
234bc36eafdSMike Gerdts * DESCRIPTION: Execute a control method
235bc36eafdSMike Gerdts *
236bc36eafdSMike Gerdts ******************************************************************************/
237bc36eafdSMike Gerdts
238bc36eafdSMike Gerdts ACPI_STATUS
AcpiPsExecuteMethod(ACPI_EVALUATE_INFO * Info)239bc36eafdSMike Gerdts AcpiPsExecuteMethod (
240bc36eafdSMike Gerdts ACPI_EVALUATE_INFO *Info)
241bc36eafdSMike Gerdts {
242bc36eafdSMike Gerdts ACPI_STATUS Status;
243bc36eafdSMike Gerdts ACPI_PARSE_OBJECT *Op;
244bc36eafdSMike Gerdts ACPI_WALK_STATE *WalkState;
245bc36eafdSMike Gerdts
246bc36eafdSMike Gerdts
247bc36eafdSMike Gerdts ACPI_FUNCTION_TRACE (PsExecuteMethod);
248bc36eafdSMike Gerdts
249bc36eafdSMike Gerdts
250bc36eafdSMike Gerdts /* Quick validation of DSDT header */
251bc36eafdSMike Gerdts
252bc36eafdSMike Gerdts AcpiTbCheckDsdtHeader ();
253bc36eafdSMike Gerdts
254bc36eafdSMike Gerdts /* Validate the Info and method Node */
255bc36eafdSMike Gerdts
256bc36eafdSMike Gerdts if (!Info || !Info->Node)
257bc36eafdSMike Gerdts {
258bc36eafdSMike Gerdts return_ACPI_STATUS (AE_NULL_ENTRY);
259bc36eafdSMike Gerdts }
260bc36eafdSMike Gerdts
261bc36eafdSMike Gerdts /* Init for new method, wait on concurrency semaphore */
262bc36eafdSMike Gerdts
263bc36eafdSMike Gerdts Status = AcpiDsBeginMethodExecution (Info->Node, Info->ObjDesc, NULL);
264bc36eafdSMike Gerdts if (ACPI_FAILURE (Status))
265bc36eafdSMike Gerdts {
266bc36eafdSMike Gerdts return_ACPI_STATUS (Status);
267bc36eafdSMike Gerdts }
268bc36eafdSMike Gerdts
269bc36eafdSMike Gerdts /*
270bc36eafdSMike Gerdts * The caller "owns" the parameters, so give each one an extra reference
271bc36eafdSMike Gerdts */
272bc36eafdSMike Gerdts AcpiPsUpdateParameterList (Info, REF_INCREMENT);
273bc36eafdSMike Gerdts
274bc36eafdSMike Gerdts /*
275bc36eafdSMike Gerdts * Execute the method. Performs parse simultaneously
276bc36eafdSMike Gerdts */
277bc36eafdSMike Gerdts ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
278bc36eafdSMike Gerdts "**** Begin Method Parse/Execute [%4.4s] **** Node=%p Obj=%p\n",
279bc36eafdSMike Gerdts Info->Node->Name.Ascii, Info->Node, Info->ObjDesc));
280bc36eafdSMike Gerdts
281bc36eafdSMike Gerdts /* Create and init a Root Node */
282bc36eafdSMike Gerdts
283bc36eafdSMike Gerdts Op = AcpiPsCreateScopeOp (Info->ObjDesc->Method.AmlStart);
284bc36eafdSMike Gerdts if (!Op)
285bc36eafdSMike Gerdts {
286bc36eafdSMike Gerdts Status = AE_NO_MEMORY;
287bc36eafdSMike Gerdts goto Cleanup;
288bc36eafdSMike Gerdts }
289bc36eafdSMike Gerdts
290bc36eafdSMike Gerdts /* Create and initialize a new walk state */
291bc36eafdSMike Gerdts
292bc36eafdSMike Gerdts Info->PassNumber = ACPI_IMODE_EXECUTE;
293bc36eafdSMike Gerdts WalkState = AcpiDsCreateWalkState (
294bc36eafdSMike Gerdts Info->ObjDesc->Method.OwnerId, NULL, NULL, NULL);
295bc36eafdSMike Gerdts if (!WalkState)
296bc36eafdSMike Gerdts {
297bc36eafdSMike Gerdts Status = AE_NO_MEMORY;
298bc36eafdSMike Gerdts goto Cleanup;
299bc36eafdSMike Gerdts }
300bc36eafdSMike Gerdts
301bc36eafdSMike Gerdts Status = AcpiDsInitAmlWalk (WalkState, Op, Info->Node,
302bc36eafdSMike Gerdts Info->ObjDesc->Method.AmlStart,
303bc36eafdSMike Gerdts Info->ObjDesc->Method.AmlLength, Info, Info->PassNumber);
304bc36eafdSMike Gerdts if (ACPI_FAILURE (Status))
305bc36eafdSMike Gerdts {
306bc36eafdSMike Gerdts AcpiDsDeleteWalkState (WalkState);
307bc36eafdSMike Gerdts goto Cleanup;
308bc36eafdSMike Gerdts }
309bc36eafdSMike Gerdts
310bc36eafdSMike Gerdts if (Info->ObjDesc->Method.InfoFlags & ACPI_METHOD_MODULE_LEVEL)
311bc36eafdSMike Gerdts {
312bc36eafdSMike Gerdts WalkState->ParseFlags |= ACPI_PARSE_MODULE_LEVEL;
313bc36eafdSMike Gerdts }
314bc36eafdSMike Gerdts
315bc36eafdSMike Gerdts /* Invoke an internal method if necessary */
316bc36eafdSMike Gerdts
317bc36eafdSMike Gerdts if (Info->ObjDesc->Method.InfoFlags & ACPI_METHOD_INTERNAL_ONLY)
318bc36eafdSMike Gerdts {
319bc36eafdSMike Gerdts Status = Info->ObjDesc->Method.Dispatch.Implementation (WalkState);
320bc36eafdSMike Gerdts Info->ReturnObject = WalkState->ReturnDesc;
321bc36eafdSMike Gerdts
322bc36eafdSMike Gerdts /* Cleanup states */
323bc36eafdSMike Gerdts
324bc36eafdSMike Gerdts AcpiDsScopeStackClear (WalkState);
325bc36eafdSMike Gerdts AcpiPsCleanupScope (&WalkState->ParserState);
326bc36eafdSMike Gerdts AcpiDsTerminateControlMethod (WalkState->MethodDesc, WalkState);
327bc36eafdSMike Gerdts AcpiDsDeleteWalkState (WalkState);
328bc36eafdSMike Gerdts goto Cleanup;
329bc36eafdSMike Gerdts }
330bc36eafdSMike Gerdts
331bc36eafdSMike Gerdts /*
332bc36eafdSMike Gerdts * Start method evaluation with an implicit return of zero.
333bc36eafdSMike Gerdts * This is done for Windows compatibility.
334bc36eafdSMike Gerdts */
335bc36eafdSMike Gerdts if (AcpiGbl_EnableInterpreterSlack)
336bc36eafdSMike Gerdts {
337bc36eafdSMike Gerdts WalkState->ImplicitReturnObj =
338bc36eafdSMike Gerdts AcpiUtCreateIntegerObject ((UINT64) 0);
339bc36eafdSMike Gerdts if (!WalkState->ImplicitReturnObj)
340bc36eafdSMike Gerdts {
341bc36eafdSMike Gerdts Status = AE_NO_MEMORY;
342bc36eafdSMike Gerdts AcpiDsDeleteWalkState (WalkState);
343bc36eafdSMike Gerdts goto Cleanup;
344bc36eafdSMike Gerdts }
345bc36eafdSMike Gerdts }
346bc36eafdSMike Gerdts
347bc36eafdSMike Gerdts /* Parse the AML */
348bc36eafdSMike Gerdts
349bc36eafdSMike Gerdts Status = AcpiPsParseAml (WalkState);
350bc36eafdSMike Gerdts
351bc36eafdSMike Gerdts /* WalkState was deleted by ParseAml */
352bc36eafdSMike Gerdts
353bc36eafdSMike Gerdts Cleanup:
354bc36eafdSMike Gerdts AcpiPsDeleteParseTree (Op);
355bc36eafdSMike Gerdts
356bc36eafdSMike Gerdts /* Take away the extra reference that we gave the parameters above */
357bc36eafdSMike Gerdts
358bc36eafdSMike Gerdts AcpiPsUpdateParameterList (Info, REF_DECREMENT);
359bc36eafdSMike Gerdts
360bc36eafdSMike Gerdts /* Exit now if error above */
361bc36eafdSMike Gerdts
362bc36eafdSMike Gerdts if (ACPI_FAILURE (Status))
363bc36eafdSMike Gerdts {
364bc36eafdSMike Gerdts return_ACPI_STATUS (Status);
365bc36eafdSMike Gerdts }
366bc36eafdSMike Gerdts
367bc36eafdSMike Gerdts /*
368bc36eafdSMike Gerdts * If the method has returned an object, signal this to the caller with
369bc36eafdSMike Gerdts * a control exception code
370bc36eafdSMike Gerdts */
371bc36eafdSMike Gerdts if (Info->ReturnObject)
372bc36eafdSMike Gerdts {
373bc36eafdSMike Gerdts ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Method returned ObjDesc=%p\n",
374bc36eafdSMike Gerdts Info->ReturnObject));
375bc36eafdSMike Gerdts ACPI_DUMP_STACK_ENTRY (Info->ReturnObject);
376bc36eafdSMike Gerdts
377bc36eafdSMike Gerdts Status = AE_CTRL_RETURN_VALUE;
378bc36eafdSMike Gerdts }
379bc36eafdSMike Gerdts
380bc36eafdSMike Gerdts return_ACPI_STATUS (Status);
381bc36eafdSMike Gerdts }
382bc36eafdSMike Gerdts
383bc36eafdSMike Gerdts
384bc36eafdSMike Gerdts /*******************************************************************************
385bc36eafdSMike Gerdts *
386*35786f68SRobert Mustacchi * FUNCTION: AcpiPsExecuteTable
387*35786f68SRobert Mustacchi *
388*35786f68SRobert Mustacchi * PARAMETERS: Info - Method info block, contains:
389*35786f68SRobert Mustacchi * Node - Node to where the is entered into the
390*35786f68SRobert Mustacchi * namespace
391*35786f68SRobert Mustacchi * ObjDesc - Pseudo method object describing the AML
392*35786f68SRobert Mustacchi * code of the entire table
393*35786f68SRobert Mustacchi * PassNumber - Parse or execute pass
394*35786f68SRobert Mustacchi *
395*35786f68SRobert Mustacchi * RETURN: Status
396*35786f68SRobert Mustacchi *
397*35786f68SRobert Mustacchi * DESCRIPTION: Execute a table
398*35786f68SRobert Mustacchi *
399*35786f68SRobert Mustacchi ******************************************************************************/
400*35786f68SRobert Mustacchi
401*35786f68SRobert Mustacchi ACPI_STATUS
AcpiPsExecuteTable(ACPI_EVALUATE_INFO * Info)402*35786f68SRobert Mustacchi AcpiPsExecuteTable (
403*35786f68SRobert Mustacchi ACPI_EVALUATE_INFO *Info)
404*35786f68SRobert Mustacchi {
405*35786f68SRobert Mustacchi ACPI_STATUS Status;
406*35786f68SRobert Mustacchi ACPI_PARSE_OBJECT *Op = NULL;
407*35786f68SRobert Mustacchi ACPI_WALK_STATE *WalkState = NULL;
408*35786f68SRobert Mustacchi
409*35786f68SRobert Mustacchi
410*35786f68SRobert Mustacchi ACPI_FUNCTION_TRACE (PsExecuteTable);
411*35786f68SRobert Mustacchi
412*35786f68SRobert Mustacchi
413*35786f68SRobert Mustacchi /* Create and init a Root Node */
414*35786f68SRobert Mustacchi
415*35786f68SRobert Mustacchi Op = AcpiPsCreateScopeOp (Info->ObjDesc->Method.AmlStart);
416*35786f68SRobert Mustacchi if (!Op)
417*35786f68SRobert Mustacchi {
418*35786f68SRobert Mustacchi Status = AE_NO_MEMORY;
419*35786f68SRobert Mustacchi goto Cleanup;
420*35786f68SRobert Mustacchi }
421*35786f68SRobert Mustacchi
422*35786f68SRobert Mustacchi /* Create and initialize a new walk state */
423*35786f68SRobert Mustacchi
424*35786f68SRobert Mustacchi WalkState = AcpiDsCreateWalkState (
425*35786f68SRobert Mustacchi Info->ObjDesc->Method.OwnerId, NULL, NULL, NULL);
426*35786f68SRobert Mustacchi if (!WalkState)
427*35786f68SRobert Mustacchi {
428*35786f68SRobert Mustacchi Status = AE_NO_MEMORY;
429*35786f68SRobert Mustacchi goto Cleanup;
430*35786f68SRobert Mustacchi }
431*35786f68SRobert Mustacchi
432*35786f68SRobert Mustacchi Status = AcpiDsInitAmlWalk (WalkState, Op, Info->Node,
433*35786f68SRobert Mustacchi Info->ObjDesc->Method.AmlStart,
434*35786f68SRobert Mustacchi Info->ObjDesc->Method.AmlLength, Info, Info->PassNumber);
435*35786f68SRobert Mustacchi if (ACPI_FAILURE (Status))
436*35786f68SRobert Mustacchi {
437*35786f68SRobert Mustacchi goto Cleanup;
438*35786f68SRobert Mustacchi }
439*35786f68SRobert Mustacchi
440*35786f68SRobert Mustacchi if (Info->ObjDesc->Method.InfoFlags & ACPI_METHOD_MODULE_LEVEL)
441*35786f68SRobert Mustacchi {
442*35786f68SRobert Mustacchi WalkState->ParseFlags |= ACPI_PARSE_MODULE_LEVEL;
443*35786f68SRobert Mustacchi }
444*35786f68SRobert Mustacchi
445*35786f68SRobert Mustacchi /* Info->Node is the default location to load the table */
446*35786f68SRobert Mustacchi
447*35786f68SRobert Mustacchi if (Info->Node && Info->Node != AcpiGbl_RootNode)
448*35786f68SRobert Mustacchi {
449*35786f68SRobert Mustacchi Status = AcpiDsScopeStackPush (
450*35786f68SRobert Mustacchi Info->Node, ACPI_TYPE_METHOD, WalkState);
451*35786f68SRobert Mustacchi if (ACPI_FAILURE (Status))
452*35786f68SRobert Mustacchi {
453*35786f68SRobert Mustacchi goto Cleanup;
454*35786f68SRobert Mustacchi }
455*35786f68SRobert Mustacchi }
456*35786f68SRobert Mustacchi
457*35786f68SRobert Mustacchi /*
458*35786f68SRobert Mustacchi * Parse the AML, WalkState will be deleted by ParseAml
459*35786f68SRobert Mustacchi */
460*35786f68SRobert Mustacchi AcpiExEnterInterpreter ();
461*35786f68SRobert Mustacchi Status = AcpiPsParseAml (WalkState);
462*35786f68SRobert Mustacchi AcpiExExitInterpreter ();
463*35786f68SRobert Mustacchi WalkState = NULL;
464*35786f68SRobert Mustacchi
465*35786f68SRobert Mustacchi Cleanup:
466*35786f68SRobert Mustacchi if (WalkState)
467*35786f68SRobert Mustacchi {
468*35786f68SRobert Mustacchi AcpiDsDeleteWalkState (WalkState);
469*35786f68SRobert Mustacchi }
470*35786f68SRobert Mustacchi if (Op)
471*35786f68SRobert Mustacchi {
472*35786f68SRobert Mustacchi AcpiPsDeleteParseTree (Op);
473*35786f68SRobert Mustacchi }
474*35786f68SRobert Mustacchi return_ACPI_STATUS (Status);
475*35786f68SRobert Mustacchi }
476*35786f68SRobert Mustacchi
477*35786f68SRobert Mustacchi
478*35786f68SRobert Mustacchi /*******************************************************************************
479*35786f68SRobert Mustacchi *
480bc36eafdSMike Gerdts * FUNCTION: AcpiPsUpdateParameterList
481bc36eafdSMike Gerdts *
482bc36eafdSMike Gerdts * PARAMETERS: Info - See ACPI_EVALUATE_INFO
483bc36eafdSMike Gerdts * (Used: ParameterType and Parameters)
484bc36eafdSMike Gerdts * Action - Add or Remove reference
485bc36eafdSMike Gerdts *
486bc36eafdSMike Gerdts * RETURN: Status
487bc36eafdSMike Gerdts *
488bc36eafdSMike Gerdts * DESCRIPTION: Update reference count on all method parameter objects
489bc36eafdSMike Gerdts *
490bc36eafdSMike Gerdts ******************************************************************************/
491bc36eafdSMike Gerdts
492bc36eafdSMike Gerdts static void
AcpiPsUpdateParameterList(ACPI_EVALUATE_INFO * Info,UINT16 Action)493bc36eafdSMike Gerdts AcpiPsUpdateParameterList (
494bc36eafdSMike Gerdts ACPI_EVALUATE_INFO *Info,
495bc36eafdSMike Gerdts UINT16 Action)
496bc36eafdSMike Gerdts {
497bc36eafdSMike Gerdts UINT32 i;
498bc36eafdSMike Gerdts
499bc36eafdSMike Gerdts
500bc36eafdSMike Gerdts if (Info->Parameters)
501bc36eafdSMike Gerdts {
502bc36eafdSMike Gerdts /* Update reference count for each parameter */
503bc36eafdSMike Gerdts
504bc36eafdSMike Gerdts for (i = 0; Info->Parameters[i]; i++)
505bc36eafdSMike Gerdts {
506bc36eafdSMike Gerdts /* Ignore errors, just do them all */
507bc36eafdSMike Gerdts
508bc36eafdSMike Gerdts (void) AcpiUtUpdateObjectReference (
509bc36eafdSMike Gerdts Info->Parameters[i], Action);
510bc36eafdSMike Gerdts }
511bc36eafdSMike Gerdts }
512bc36eafdSMike Gerdts }
513