17c478bd9Sstevel@tonic-gate /******************************************************************************
27c478bd9Sstevel@tonic-gate *
37c478bd9Sstevel@tonic-gate * Module Name: dswexec - Dispatcher method execution callbacks;
47c478bd9Sstevel@tonic-gate * dispatch to interpreter.
57c478bd9Sstevel@tonic-gate *
67c478bd9Sstevel@tonic-gate *****************************************************************************/
77c478bd9Sstevel@tonic-gate
8*35786f68SRobert Mustacchi /******************************************************************************
9*35786f68SRobert Mustacchi *
10*35786f68SRobert Mustacchi * 1. Copyright Notice
11*35786f68SRobert Mustacchi *
12*35786f68SRobert Mustacchi * Some or all of this work - Copyright (c) 1999 - 2018, Intel Corp.
137c478bd9Sstevel@tonic-gate * All rights reserved.
147c478bd9Sstevel@tonic-gate *
15*35786f68SRobert Mustacchi * 2. License
16*35786f68SRobert Mustacchi *
17*35786f68SRobert Mustacchi * 2.1. This is your license from Intel Corp. under its intellectual property
18*35786f68SRobert Mustacchi * rights. You may have additional license terms from the party that provided
19*35786f68SRobert Mustacchi * you this software, covering your right to use that party's intellectual
20*35786f68SRobert Mustacchi * property rights.
21*35786f68SRobert Mustacchi *
22*35786f68SRobert Mustacchi * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
23*35786f68SRobert Mustacchi * copy of the source code appearing in this file ("Covered Code") an
24*35786f68SRobert Mustacchi * irrevocable, perpetual, worldwide license under Intel's copyrights in the
25*35786f68SRobert Mustacchi * base code distributed originally by Intel ("Original Intel Code") to copy,
26*35786f68SRobert Mustacchi * make derivatives, distribute, use and display any portion of the Covered
27*35786f68SRobert Mustacchi * Code in any form, with the right to sublicense such rights; and
28*35786f68SRobert Mustacchi *
29*35786f68SRobert Mustacchi * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
30*35786f68SRobert Mustacchi * license (with the right to sublicense), under only those claims of Intel
31*35786f68SRobert Mustacchi * patents that are infringed by the Original Intel Code, to make, use, sell,
32*35786f68SRobert Mustacchi * offer to sell, and import the Covered Code and derivative works thereof
33*35786f68SRobert Mustacchi * solely to the minimum extent necessary to exercise the above copyright
34*35786f68SRobert Mustacchi * license, and in no event shall the patent license extend to any additions
35*35786f68SRobert Mustacchi * to or modifications of the Original Intel Code. No other license or right
36*35786f68SRobert Mustacchi * is granted directly or by implication, estoppel or otherwise;
37*35786f68SRobert Mustacchi *
38*35786f68SRobert Mustacchi * The above copyright and patent license is granted only if the following
39*35786f68SRobert Mustacchi * conditions are met:
40*35786f68SRobert Mustacchi *
41*35786f68SRobert Mustacchi * 3. Conditions
42*35786f68SRobert Mustacchi *
43*35786f68SRobert Mustacchi * 3.1. Redistribution of Source with Rights to Further Distribute Source.
44*35786f68SRobert Mustacchi * Redistribution of source code of any substantial portion of the Covered
45*35786f68SRobert Mustacchi * Code or modification with rights to further distribute source must include
46*35786f68SRobert Mustacchi * the above Copyright Notice, the above License, this list of Conditions,
47*35786f68SRobert Mustacchi * and the following Disclaimer and Export Compliance provision. In addition,
48*35786f68SRobert Mustacchi * Licensee must cause all Covered Code to which Licensee contributes to
49*35786f68SRobert Mustacchi * contain a file documenting the changes Licensee made to create that Covered
50*35786f68SRobert Mustacchi * Code and the date of any change. Licensee must include in that file the
51*35786f68SRobert Mustacchi * documentation of any changes made by any predecessor Licensee. Licensee
52*35786f68SRobert Mustacchi * must include a prominent statement that the modification is derived,
53*35786f68SRobert Mustacchi * directly or indirectly, from Original Intel Code.
54*35786f68SRobert Mustacchi *
55*35786f68SRobert Mustacchi * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
56*35786f68SRobert Mustacchi * Redistribution of source code of any substantial portion of the Covered
57*35786f68SRobert Mustacchi * Code or modification without rights to further distribute source must
58*35786f68SRobert Mustacchi * include the following Disclaimer and Export Compliance provision in the
59*35786f68SRobert Mustacchi * documentation and/or other materials provided with distribution. In
60*35786f68SRobert Mustacchi * addition, Licensee may not authorize further sublicense of source of any
61*35786f68SRobert Mustacchi * portion of the Covered Code, and must include terms to the effect that the
62*35786f68SRobert Mustacchi * license from Licensee to its licensee is limited to the intellectual
63*35786f68SRobert Mustacchi * property embodied in the software Licensee provides to its licensee, and
64*35786f68SRobert Mustacchi * not to intellectual property embodied in modifications its licensee may
65*35786f68SRobert Mustacchi * make.
66*35786f68SRobert Mustacchi *
67*35786f68SRobert Mustacchi * 3.3. Redistribution of Executable. Redistribution in executable form of any
68*35786f68SRobert Mustacchi * substantial portion of the Covered Code or modification must reproduce the
69*35786f68SRobert Mustacchi * above Copyright Notice, and the following Disclaimer and Export Compliance
70*35786f68SRobert Mustacchi * provision in the documentation and/or other materials provided with the
71*35786f68SRobert Mustacchi * distribution.
72*35786f68SRobert Mustacchi *
73*35786f68SRobert Mustacchi * 3.4. Intel retains all right, title, and interest in and to the Original
74*35786f68SRobert Mustacchi * Intel Code.
75*35786f68SRobert Mustacchi *
76*35786f68SRobert Mustacchi * 3.5. Neither the name Intel nor any other trademark owned or controlled by
77*35786f68SRobert Mustacchi * Intel shall be used in advertising or otherwise to promote the sale, use or
78*35786f68SRobert Mustacchi * other dealings in products derived from or relating to the Covered Code
79*35786f68SRobert Mustacchi * without prior written authorization from Intel.
80*35786f68SRobert Mustacchi *
81*35786f68SRobert Mustacchi * 4. Disclaimer and Export Compliance
82*35786f68SRobert Mustacchi *
83*35786f68SRobert Mustacchi * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
84*35786f68SRobert Mustacchi * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
85*35786f68SRobert Mustacchi * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
86*35786f68SRobert Mustacchi * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
87*35786f68SRobert Mustacchi * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
88*35786f68SRobert Mustacchi * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
89*35786f68SRobert Mustacchi * PARTICULAR PURPOSE.
90*35786f68SRobert Mustacchi *
91*35786f68SRobert Mustacchi * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
92*35786f68SRobert Mustacchi * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
93*35786f68SRobert Mustacchi * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
94*35786f68SRobert Mustacchi * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
95*35786f68SRobert Mustacchi * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
96*35786f68SRobert Mustacchi * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
97*35786f68SRobert Mustacchi * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
98*35786f68SRobert Mustacchi * LIMITED REMEDY.
99*35786f68SRobert Mustacchi *
100*35786f68SRobert Mustacchi * 4.3. Licensee shall not export, either directly or indirectly, any of this
101*35786f68SRobert Mustacchi * software or system incorporating such software without first obtaining any
102*35786f68SRobert Mustacchi * required license or other approval from the U. S. Department of Commerce or
103*35786f68SRobert Mustacchi * any other agency or department of the United States Government. In the
104*35786f68SRobert Mustacchi * event Licensee exports any such software from the United States or
105*35786f68SRobert Mustacchi * re-exports any such software from a foreign destination, Licensee shall
106*35786f68SRobert Mustacchi * ensure that the distribution and export/re-export of the software is in
107*35786f68SRobert Mustacchi * compliance with all laws, regulations, orders, or other restrictions of the
108*35786f68SRobert Mustacchi * U.S. Export Administration Regulations. Licensee agrees that neither it nor
109*35786f68SRobert Mustacchi * any of its subsidiaries will export/re-export any technical data, process,
110*35786f68SRobert Mustacchi * software, or service, directly or indirectly, to any country for which the
111*35786f68SRobert Mustacchi * United States government or any agency thereof requires an export license,
112*35786f68SRobert Mustacchi * other governmental approval, or letter of assurance, without first obtaining
113*35786f68SRobert Mustacchi * such license, approval or letter.
114*35786f68SRobert Mustacchi *
115*35786f68SRobert Mustacchi *****************************************************************************
116*35786f68SRobert Mustacchi *
117*35786f68SRobert Mustacchi * Alternatively, you may choose to be licensed under the terms of the
118*35786f68SRobert Mustacchi * following license:
119*35786f68SRobert Mustacchi *
12026f3cdf0SGordon Ross * Redistribution and use in source and binary forms, with or without
12126f3cdf0SGordon Ross * modification, are permitted provided that the following conditions
12226f3cdf0SGordon Ross * are met:
12326f3cdf0SGordon Ross * 1. Redistributions of source code must retain the above copyright
12426f3cdf0SGordon Ross * notice, this list of conditions, and the following disclaimer,
12526f3cdf0SGordon Ross * without modification.
12626f3cdf0SGordon Ross * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12726f3cdf0SGordon Ross * substantially similar to the "NO WARRANTY" disclaimer below
12826f3cdf0SGordon Ross * ("Disclaimer") and any redistribution must be conditioned upon
12926f3cdf0SGordon Ross * including a substantially similar Disclaimer requirement for further
13026f3cdf0SGordon Ross * binary redistribution.
13126f3cdf0SGordon Ross * 3. Neither the names of the above-listed copyright holders nor the names
13226f3cdf0SGordon Ross * of any contributors may be used to endorse or promote products derived
13326f3cdf0SGordon Ross * from this software without specific prior written permission.
13426f3cdf0SGordon Ross *
13526f3cdf0SGordon Ross * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
13626f3cdf0SGordon Ross * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
137*35786f68SRobert Mustacchi * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
13826f3cdf0SGordon Ross * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
139*35786f68SRobert Mustacchi * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
140*35786f68SRobert Mustacchi * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
141*35786f68SRobert Mustacchi * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
142*35786f68SRobert Mustacchi * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
143*35786f68SRobert Mustacchi * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
144*35786f68SRobert Mustacchi * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
145*35786f68SRobert Mustacchi * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
146*35786f68SRobert Mustacchi *
147*35786f68SRobert Mustacchi * Alternatively, you may choose to be licensed under the terms of the
148*35786f68SRobert Mustacchi * GNU General Public License ("GPL") version 2 as published by the Free
149*35786f68SRobert Mustacchi * Software Foundation.
150*35786f68SRobert Mustacchi *
151*35786f68SRobert Mustacchi *****************************************************************************/
1527c478bd9Sstevel@tonic-gate
1537c478bd9Sstevel@tonic-gate #include "acpi.h"
154aa2aa9a6SDana Myers #include "accommon.h"
1557c478bd9Sstevel@tonic-gate #include "acparser.h"
1567c478bd9Sstevel@tonic-gate #include "amlcode.h"
1577c478bd9Sstevel@tonic-gate #include "acdispat.h"
1587c478bd9Sstevel@tonic-gate #include "acinterp.h"
1597c478bd9Sstevel@tonic-gate #include "acnamesp.h"
1607c478bd9Sstevel@tonic-gate #include "acdebug.h"
1617c478bd9Sstevel@tonic-gate
1627c478bd9Sstevel@tonic-gate
1637c478bd9Sstevel@tonic-gate #define _COMPONENT ACPI_DISPATCHER
1647c478bd9Sstevel@tonic-gate ACPI_MODULE_NAME ("dswexec")
1657c478bd9Sstevel@tonic-gate
1667c478bd9Sstevel@tonic-gate /*
1677c478bd9Sstevel@tonic-gate * Dispatch table for opcode classes
1687c478bd9Sstevel@tonic-gate */
16927f7c583Smyers static ACPI_EXECUTE_OP AcpiGbl_OpTypeDispatch [] =
17027f7c583Smyers {
17127f7c583Smyers AcpiExOpcode_0A_0T_1R,
17227f7c583Smyers AcpiExOpcode_1A_0T_0R,
17327f7c583Smyers AcpiExOpcode_1A_0T_1R,
17427f7c583Smyers AcpiExOpcode_1A_1T_0R,
17527f7c583Smyers AcpiExOpcode_1A_1T_1R,
17627f7c583Smyers AcpiExOpcode_2A_0T_0R,
17727f7c583Smyers AcpiExOpcode_2A_0T_1R,
17827f7c583Smyers AcpiExOpcode_2A_1T_1R,
17927f7c583Smyers AcpiExOpcode_2A_2T_1R,
18027f7c583Smyers AcpiExOpcode_3A_0T_0R,
18127f7c583Smyers AcpiExOpcode_3A_1T_1R,
18227f7c583Smyers AcpiExOpcode_6A_0T_1R
18327f7c583Smyers };
1847c478bd9Sstevel@tonic-gate
1857c478bd9Sstevel@tonic-gate
1867c478bd9Sstevel@tonic-gate /*****************************************************************************
1877c478bd9Sstevel@tonic-gate *
1887c478bd9Sstevel@tonic-gate * FUNCTION: AcpiDsGetPredicateValue
1897c478bd9Sstevel@tonic-gate *
1907c478bd9Sstevel@tonic-gate * PARAMETERS: WalkState - Current state of the parse tree walk
1917c478bd9Sstevel@tonic-gate * ResultObj - if non-zero, pop result from result stack
1927c478bd9Sstevel@tonic-gate *
1937c478bd9Sstevel@tonic-gate * RETURN: Status
1947c478bd9Sstevel@tonic-gate *
1957c478bd9Sstevel@tonic-gate * DESCRIPTION: Get the result of a predicate evaluation
1967c478bd9Sstevel@tonic-gate *
1977c478bd9Sstevel@tonic-gate ****************************************************************************/
1987c478bd9Sstevel@tonic-gate
1997c478bd9Sstevel@tonic-gate ACPI_STATUS
AcpiDsGetPredicateValue(ACPI_WALK_STATE * WalkState,ACPI_OPERAND_OBJECT * ResultObj)2007c478bd9Sstevel@tonic-gate AcpiDsGetPredicateValue (
2017c478bd9Sstevel@tonic-gate ACPI_WALK_STATE *WalkState,
2027c478bd9Sstevel@tonic-gate ACPI_OPERAND_OBJECT *ResultObj)
2037c478bd9Sstevel@tonic-gate {
2047c478bd9Sstevel@tonic-gate ACPI_STATUS Status = AE_OK;
2057c478bd9Sstevel@tonic-gate ACPI_OPERAND_OBJECT *ObjDesc;
2067c478bd9Sstevel@tonic-gate ACPI_OPERAND_OBJECT *LocalObjDesc = NULL;
2077c478bd9Sstevel@tonic-gate
2087c478bd9Sstevel@tonic-gate
20927f7c583Smyers ACPI_FUNCTION_TRACE_PTR (DsGetPredicateValue, WalkState);
2107c478bd9Sstevel@tonic-gate
2117c478bd9Sstevel@tonic-gate
2127c478bd9Sstevel@tonic-gate WalkState->ControlState->Common.State = 0;
2137c478bd9Sstevel@tonic-gate
2147c478bd9Sstevel@tonic-gate if (ResultObj)
2157c478bd9Sstevel@tonic-gate {
2167c478bd9Sstevel@tonic-gate Status = AcpiDsResultPop (&ObjDesc, WalkState);
2177c478bd9Sstevel@tonic-gate if (ACPI_FAILURE (Status))
2187c478bd9Sstevel@tonic-gate {
21930082d0cSmyers ACPI_EXCEPTION ((AE_INFO, Status,
22030082d0cSmyers "Could not get result from predicate evaluation"));
2217c478bd9Sstevel@tonic-gate
2227c478bd9Sstevel@tonic-gate return_ACPI_STATUS (Status);
2237c478bd9Sstevel@tonic-gate }
2247c478bd9Sstevel@tonic-gate }
2257c478bd9Sstevel@tonic-gate else
2267c478bd9Sstevel@tonic-gate {
2277c478bd9Sstevel@tonic-gate Status = AcpiDsCreateOperand (WalkState, WalkState->Op, 0);
2287c478bd9Sstevel@tonic-gate if (ACPI_FAILURE (Status))
2297c478bd9Sstevel@tonic-gate {
2307c478bd9Sstevel@tonic-gate return_ACPI_STATUS (Status);
2317c478bd9Sstevel@tonic-gate }
2327c478bd9Sstevel@tonic-gate
2337c478bd9Sstevel@tonic-gate Status = AcpiExResolveToValue (&WalkState->Operands [0], WalkState);
2347c478bd9Sstevel@tonic-gate if (ACPI_FAILURE (Status))
2357c478bd9Sstevel@tonic-gate {
2367c478bd9Sstevel@tonic-gate return_ACPI_STATUS (Status);
2377c478bd9Sstevel@tonic-gate }
2387c478bd9Sstevel@tonic-gate
2397c478bd9Sstevel@tonic-gate ObjDesc = WalkState->Operands [0];
2407c478bd9Sstevel@tonic-gate }
2417c478bd9Sstevel@tonic-gate
2427c478bd9Sstevel@tonic-gate if (!ObjDesc)
2437c478bd9Sstevel@tonic-gate {
24430082d0cSmyers ACPI_ERROR ((AE_INFO,
24530082d0cSmyers "No predicate ObjDesc=%p State=%p",
2467c478bd9Sstevel@tonic-gate ObjDesc, WalkState));
2477c478bd9Sstevel@tonic-gate
2487c478bd9Sstevel@tonic-gate return_ACPI_STATUS (AE_AML_NO_OPERAND);
2497c478bd9Sstevel@tonic-gate }
2507c478bd9Sstevel@tonic-gate
2517c478bd9Sstevel@tonic-gate /*
2527c478bd9Sstevel@tonic-gate * Result of predicate evaluation must be an Integer
2537c478bd9Sstevel@tonic-gate * object. Implicitly convert the argument if necessary.
2547c478bd9Sstevel@tonic-gate */
255*35786f68SRobert Mustacchi Status = AcpiExConvertToInteger (ObjDesc, &LocalObjDesc,
256*35786f68SRobert Mustacchi ACPI_IMPLICIT_CONVERSION);
2577c478bd9Sstevel@tonic-gate if (ACPI_FAILURE (Status))
2587c478bd9Sstevel@tonic-gate {
2597c478bd9Sstevel@tonic-gate goto Cleanup;
2607c478bd9Sstevel@tonic-gate }
2617c478bd9Sstevel@tonic-gate
262aa2aa9a6SDana Myers if (LocalObjDesc->Common.Type != ACPI_TYPE_INTEGER)
2637c478bd9Sstevel@tonic-gate {
26430082d0cSmyers ACPI_ERROR ((AE_INFO,
26526f3cdf0SGordon Ross "Bad predicate (not an integer) ObjDesc=%p State=%p Type=0x%X",
266aa2aa9a6SDana Myers ObjDesc, WalkState, ObjDesc->Common.Type));
2677c478bd9Sstevel@tonic-gate
2687c478bd9Sstevel@tonic-gate Status = AE_AML_OPERAND_TYPE;
2697c478bd9Sstevel@tonic-gate goto Cleanup;
2707c478bd9Sstevel@tonic-gate }
2717c478bd9Sstevel@tonic-gate
2727c478bd9Sstevel@tonic-gate /* Truncate the predicate to 32-bits if necessary */
2737c478bd9Sstevel@tonic-gate
2747b1019a6SJerry Jelinek (void) AcpiExTruncateFor32bitTable (LocalObjDesc);
2757c478bd9Sstevel@tonic-gate
2767c478bd9Sstevel@tonic-gate /*
2777c478bd9Sstevel@tonic-gate * Save the result of the predicate evaluation on
2787c478bd9Sstevel@tonic-gate * the control stack
2797c478bd9Sstevel@tonic-gate */
2807c478bd9Sstevel@tonic-gate if (LocalObjDesc->Integer.Value)
2817c478bd9Sstevel@tonic-gate {
2827c478bd9Sstevel@tonic-gate WalkState->ControlState->Common.Value = TRUE;
2837c478bd9Sstevel@tonic-gate }
2847c478bd9Sstevel@tonic-gate else
2857c478bd9Sstevel@tonic-gate {
2867c478bd9Sstevel@tonic-gate /*
2877c478bd9Sstevel@tonic-gate * Predicate is FALSE, we will just toss the
2887c478bd9Sstevel@tonic-gate * rest of the package
2897c478bd9Sstevel@tonic-gate */
2907c478bd9Sstevel@tonic-gate WalkState->ControlState->Common.Value = FALSE;
2917c478bd9Sstevel@tonic-gate Status = AE_CTRL_FALSE;
2927c478bd9Sstevel@tonic-gate }
2937c478bd9Sstevel@tonic-gate
294aa2aa9a6SDana Myers /* Predicate can be used for an implicit return value */
295aa2aa9a6SDana Myers
296aa2aa9a6SDana Myers (void) AcpiDsDoImplicitReturn (LocalObjDesc, WalkState, TRUE);
297aa2aa9a6SDana Myers
2987c478bd9Sstevel@tonic-gate
2997c478bd9Sstevel@tonic-gate Cleanup:
3007c478bd9Sstevel@tonic-gate
3017b1019a6SJerry Jelinek ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
3027b1019a6SJerry Jelinek "Completed a predicate eval=%X Op=%p\n",
3037c478bd9Sstevel@tonic-gate WalkState->ControlState->Common.Value, WalkState->Op));
3047c478bd9Sstevel@tonic-gate
3057b1019a6SJerry Jelinek #ifdef ACPI_DEBUGGER
3067b1019a6SJerry Jelinek /* Break to debugger to display result */
3077c478bd9Sstevel@tonic-gate
3087b1019a6SJerry Jelinek AcpiDbDisplayResultObject (LocalObjDesc, WalkState);
3097b1019a6SJerry Jelinek #endif
3107c478bd9Sstevel@tonic-gate
3117c478bd9Sstevel@tonic-gate /*
3127c478bd9Sstevel@tonic-gate * Delete the predicate result object (we know that
3137c478bd9Sstevel@tonic-gate * we don't need it anymore)
3147c478bd9Sstevel@tonic-gate */
3157c478bd9Sstevel@tonic-gate if (LocalObjDesc != ObjDesc)
3167c478bd9Sstevel@tonic-gate {
3177c478bd9Sstevel@tonic-gate AcpiUtRemoveReference (LocalObjDesc);
3187c478bd9Sstevel@tonic-gate }
3197c478bd9Sstevel@tonic-gate AcpiUtRemoveReference (ObjDesc);
3207c478bd9Sstevel@tonic-gate
3217c478bd9Sstevel@tonic-gate WalkState->ControlState->Common.State = ACPI_CONTROL_NORMAL;
3227c478bd9Sstevel@tonic-gate return_ACPI_STATUS (Status);
3237c478bd9Sstevel@tonic-gate }
3247c478bd9Sstevel@tonic-gate
3257c478bd9Sstevel@tonic-gate
3267c478bd9Sstevel@tonic-gate /*****************************************************************************
3277c478bd9Sstevel@tonic-gate *
3287c478bd9Sstevel@tonic-gate * FUNCTION: AcpiDsExecBeginOp
3297c478bd9Sstevel@tonic-gate *
3307c478bd9Sstevel@tonic-gate * PARAMETERS: WalkState - Current state of the parse tree walk
3317c478bd9Sstevel@tonic-gate * OutOp - Where to return op if a new one is created
3327c478bd9Sstevel@tonic-gate *
3337c478bd9Sstevel@tonic-gate * RETURN: Status
3347c478bd9Sstevel@tonic-gate *
3357c478bd9Sstevel@tonic-gate * DESCRIPTION: Descending callback used during the execution of control
3367b1019a6SJerry Jelinek * methods. This is where most operators and operands are
3377c478bd9Sstevel@tonic-gate * dispatched to the interpreter.
3387c478bd9Sstevel@tonic-gate *
3397c478bd9Sstevel@tonic-gate ****************************************************************************/
3407c478bd9Sstevel@tonic-gate
3417c478bd9Sstevel@tonic-gate ACPI_STATUS
AcpiDsExecBeginOp(ACPI_WALK_STATE * WalkState,ACPI_PARSE_OBJECT ** OutOp)3427c478bd9Sstevel@tonic-gate AcpiDsExecBeginOp (
3437c478bd9Sstevel@tonic-gate ACPI_WALK_STATE *WalkState,
3447c478bd9Sstevel@tonic-gate ACPI_PARSE_OBJECT **OutOp)
3457c478bd9Sstevel@tonic-gate {
3467c478bd9Sstevel@tonic-gate ACPI_PARSE_OBJECT *Op;
3477c478bd9Sstevel@tonic-gate ACPI_STATUS Status = AE_OK;
3487c478bd9Sstevel@tonic-gate UINT32 OpcodeClass;
3497c478bd9Sstevel@tonic-gate
3507c478bd9Sstevel@tonic-gate
35127f7c583Smyers ACPI_FUNCTION_TRACE_PTR (DsExecBeginOp, WalkState);
3527c478bd9Sstevel@tonic-gate
3537c478bd9Sstevel@tonic-gate
3547c478bd9Sstevel@tonic-gate Op = WalkState->Op;
3557c478bd9Sstevel@tonic-gate if (!Op)
3567c478bd9Sstevel@tonic-gate {
3577c478bd9Sstevel@tonic-gate Status = AcpiDsLoad2BeginOp (WalkState, OutOp);
3587c478bd9Sstevel@tonic-gate if (ACPI_FAILURE (Status))
3597c478bd9Sstevel@tonic-gate {
360db2bae30SDana Myers goto ErrorExit;
3617c478bd9Sstevel@tonic-gate }
3627c478bd9Sstevel@tonic-gate
3637c478bd9Sstevel@tonic-gate Op = *OutOp;
3647c478bd9Sstevel@tonic-gate WalkState->Op = Op;
3657c478bd9Sstevel@tonic-gate WalkState->Opcode = Op->Common.AmlOpcode;
3667c478bd9Sstevel@tonic-gate WalkState->OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
3677c478bd9Sstevel@tonic-gate
3687c478bd9Sstevel@tonic-gate if (AcpiNsOpensScope (WalkState->OpInfo->ObjectType))
3697c478bd9Sstevel@tonic-gate {
3707c478bd9Sstevel@tonic-gate ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
3717c478bd9Sstevel@tonic-gate "(%s) Popping scope for Op %p\n",
3727c478bd9Sstevel@tonic-gate AcpiUtGetTypeName (WalkState->OpInfo->ObjectType), Op));
3737c478bd9Sstevel@tonic-gate
3747c478bd9Sstevel@tonic-gate Status = AcpiDsScopeStackPop (WalkState);
3757c478bd9Sstevel@tonic-gate if (ACPI_FAILURE (Status))
3767c478bd9Sstevel@tonic-gate {
377db2bae30SDana Myers goto ErrorExit;
3787c478bd9Sstevel@tonic-gate }
3797c478bd9Sstevel@tonic-gate }
3807c478bd9Sstevel@tonic-gate }
3817c478bd9Sstevel@tonic-gate
3827c478bd9Sstevel@tonic-gate if (Op == WalkState->Origin)
3837c478bd9Sstevel@tonic-gate {
3847c478bd9Sstevel@tonic-gate if (OutOp)
3857c478bd9Sstevel@tonic-gate {
3867c478bd9Sstevel@tonic-gate *OutOp = Op;
3877c478bd9Sstevel@tonic-gate }
3887c478bd9Sstevel@tonic-gate
3897c478bd9Sstevel@tonic-gate return_ACPI_STATUS (AE_OK);
3907c478bd9Sstevel@tonic-gate }
3917c478bd9Sstevel@tonic-gate
3927c478bd9Sstevel@tonic-gate /*
3937c478bd9Sstevel@tonic-gate * If the previous opcode was a conditional, this opcode
3947c478bd9Sstevel@tonic-gate * must be the beginning of the associated predicate.
3957c478bd9Sstevel@tonic-gate * Save this knowledge in the current scope descriptor
3967c478bd9Sstevel@tonic-gate */
3977c478bd9Sstevel@tonic-gate if ((WalkState->ControlState) &&
3987c478bd9Sstevel@tonic-gate (WalkState->ControlState->Common.State ==
3997c478bd9Sstevel@tonic-gate ACPI_CONTROL_CONDITIONAL_EXECUTING))
4007c478bd9Sstevel@tonic-gate {
4017b1019a6SJerry Jelinek ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
4027b1019a6SJerry Jelinek "Exec predicate Op=%p State=%p\n",
4037b1019a6SJerry Jelinek Op, WalkState));
4047c478bd9Sstevel@tonic-gate
4057b1019a6SJerry Jelinek WalkState->ControlState->Common.State =
4067b1019a6SJerry Jelinek ACPI_CONTROL_PREDICATE_EXECUTING;
4077c478bd9Sstevel@tonic-gate
4087c478bd9Sstevel@tonic-gate /* Save start of predicate */
4097c478bd9Sstevel@tonic-gate
4107c478bd9Sstevel@tonic-gate WalkState->ControlState->Control.PredicateOp = Op;
4117c478bd9Sstevel@tonic-gate }
4127c478bd9Sstevel@tonic-gate
4137c478bd9Sstevel@tonic-gate
4147c478bd9Sstevel@tonic-gate OpcodeClass = WalkState->OpInfo->Class;
4157c478bd9Sstevel@tonic-gate
4167c478bd9Sstevel@tonic-gate /* We want to send namepaths to the load code */
4177c478bd9Sstevel@tonic-gate
4187c478bd9Sstevel@tonic-gate if (Op->Common.AmlOpcode == AML_INT_NAMEPATH_OP)
4197c478bd9Sstevel@tonic-gate {
4207c478bd9Sstevel@tonic-gate OpcodeClass = AML_CLASS_NAMED_OBJECT;
4217c478bd9Sstevel@tonic-gate }
4227c478bd9Sstevel@tonic-gate
4237c478bd9Sstevel@tonic-gate /*
4247c478bd9Sstevel@tonic-gate * Handle the opcode based upon the opcode type
4257c478bd9Sstevel@tonic-gate */
4267c478bd9Sstevel@tonic-gate switch (OpcodeClass)
4277c478bd9Sstevel@tonic-gate {
4287c478bd9Sstevel@tonic-gate case AML_CLASS_CONTROL:
4297c478bd9Sstevel@tonic-gate
4307c478bd9Sstevel@tonic-gate Status = AcpiDsExecBeginControlOp (WalkState, Op);
4317c478bd9Sstevel@tonic-gate break;
4327c478bd9Sstevel@tonic-gate
4337c478bd9Sstevel@tonic-gate case AML_CLASS_NAMED_OBJECT:
4347c478bd9Sstevel@tonic-gate
43527f7c583Smyers if (WalkState->WalkType & ACPI_WALK_METHOD)
4367c478bd9Sstevel@tonic-gate {
4377c478bd9Sstevel@tonic-gate /*
4387c478bd9Sstevel@tonic-gate * Found a named object declaration during method execution;
4397b1019a6SJerry Jelinek * we must enter this object into the namespace. The created
4407c478bd9Sstevel@tonic-gate * object is temporary and will be deleted upon completion of
4417c478bd9Sstevel@tonic-gate * the execution of this method.
44226f3cdf0SGordon Ross *
44326f3cdf0SGordon Ross * Note 10/2010: Except for the Scope() op. This opcode does
44426f3cdf0SGordon Ross * not actually create a new object, it refers to an existing
44526f3cdf0SGordon Ross * object. However, for Scope(), we want to indeed open a
44626f3cdf0SGordon Ross * new scope.
4477c478bd9Sstevel@tonic-gate */
44826f3cdf0SGordon Ross if (Op->Common.AmlOpcode != AML_SCOPE_OP)
44926f3cdf0SGordon Ross {
45026f3cdf0SGordon Ross Status = AcpiDsLoad2BeginOp (WalkState, NULL);
45126f3cdf0SGordon Ross }
45226f3cdf0SGordon Ross else
45326f3cdf0SGordon Ross {
4547b1019a6SJerry Jelinek Status = AcpiDsScopeStackPush (
4557b1019a6SJerry Jelinek Op->Named.Node, Op->Named.Node->Type, WalkState);
45626f3cdf0SGordon Ross if (ACPI_FAILURE (Status))
45726f3cdf0SGordon Ross {
45826f3cdf0SGordon Ross return_ACPI_STATUS (Status);
45926f3cdf0SGordon Ross }
46026f3cdf0SGordon Ross }
4617c478bd9Sstevel@tonic-gate }
4627c478bd9Sstevel@tonic-gate break;
4637c478bd9Sstevel@tonic-gate
4647c478bd9Sstevel@tonic-gate case AML_CLASS_EXECUTE:
4657c478bd9Sstevel@tonic-gate case AML_CLASS_CREATE:
466db2bae30SDana Myers
4677c478bd9Sstevel@tonic-gate break;
4687c478bd9Sstevel@tonic-gate
4697c478bd9Sstevel@tonic-gate default:
4707b1019a6SJerry Jelinek
4717c478bd9Sstevel@tonic-gate break;
4727c478bd9Sstevel@tonic-gate }
4737c478bd9Sstevel@tonic-gate
4747c478bd9Sstevel@tonic-gate /* Nothing to do here during method execution */
4757c478bd9Sstevel@tonic-gate
4767c478bd9Sstevel@tonic-gate return_ACPI_STATUS (Status);
477db2bae30SDana Myers
478db2bae30SDana Myers
479db2bae30SDana Myers ErrorExit:
480db2bae30SDana Myers Status = AcpiDsMethodError (Status, WalkState);
481db2bae30SDana Myers return_ACPI_STATUS (Status);
4827c478bd9Sstevel@tonic-gate }
4837c478bd9Sstevel@tonic-gate
4847c478bd9Sstevel@tonic-gate
4857c478bd9Sstevel@tonic-gate /*****************************************************************************
4867c478bd9Sstevel@tonic-gate *
4877c478bd9Sstevel@tonic-gate * FUNCTION: AcpiDsExecEndOp
4887c478bd9Sstevel@tonic-gate *
4897c478bd9Sstevel@tonic-gate * PARAMETERS: WalkState - Current state of the parse tree walk
4907c478bd9Sstevel@tonic-gate *
4917c478bd9Sstevel@tonic-gate * RETURN: Status
4927c478bd9Sstevel@tonic-gate *
4937c478bd9Sstevel@tonic-gate * DESCRIPTION: Ascending callback used during the execution of control
4947b1019a6SJerry Jelinek * methods. The only thing we really need to do here is to
4957c478bd9Sstevel@tonic-gate * notice the beginning of IF, ELSE, and WHILE blocks.
4967c478bd9Sstevel@tonic-gate *
4977c478bd9Sstevel@tonic-gate ****************************************************************************/
4987c478bd9Sstevel@tonic-gate
4997c478bd9Sstevel@tonic-gate ACPI_STATUS
AcpiDsExecEndOp(ACPI_WALK_STATE * WalkState)5007c478bd9Sstevel@tonic-gate AcpiDsExecEndOp (
5017c478bd9Sstevel@tonic-gate ACPI_WALK_STATE *WalkState)
5027c478bd9Sstevel@tonic-gate {
5037c478bd9Sstevel@tonic-gate ACPI_PARSE_OBJECT *Op;
5047c478bd9Sstevel@tonic-gate ACPI_STATUS Status = AE_OK;
5057c478bd9Sstevel@tonic-gate UINT32 OpType;
5067c478bd9Sstevel@tonic-gate UINT32 OpClass;
5077c478bd9Sstevel@tonic-gate ACPI_PARSE_OBJECT *NextOp;
5087c478bd9Sstevel@tonic-gate ACPI_PARSE_OBJECT *FirstArg;
5097c478bd9Sstevel@tonic-gate
5107c478bd9Sstevel@tonic-gate
51127f7c583Smyers ACPI_FUNCTION_TRACE_PTR (DsExecEndOp, WalkState);
5127c478bd9Sstevel@tonic-gate
5137c478bd9Sstevel@tonic-gate
5147b1019a6SJerry Jelinek Op = WalkState->Op;
5157b1019a6SJerry Jelinek OpType = WalkState->OpInfo->Type;
5167c478bd9Sstevel@tonic-gate OpClass = WalkState->OpInfo->Class;
5177c478bd9Sstevel@tonic-gate
5187c478bd9Sstevel@tonic-gate if (OpClass == AML_CLASS_UNKNOWN)
5197c478bd9Sstevel@tonic-gate {
52026f3cdf0SGordon Ross ACPI_ERROR ((AE_INFO, "Unknown opcode 0x%X", Op->Common.AmlOpcode));
5217c478bd9Sstevel@tonic-gate return_ACPI_STATUS (AE_NOT_IMPLEMENTED);
5227c478bd9Sstevel@tonic-gate }
5237c478bd9Sstevel@tonic-gate
5247c478bd9Sstevel@tonic-gate FirstArg = Op->Common.Value.Arg;
5257c478bd9Sstevel@tonic-gate
5267c478bd9Sstevel@tonic-gate /* Init the walk state */
5277c478bd9Sstevel@tonic-gate
5287c478bd9Sstevel@tonic-gate WalkState->NumOperands = 0;
529db2bae30SDana Myers WalkState->OperandIndex = 0;
5307c478bd9Sstevel@tonic-gate WalkState->ReturnDesc = NULL;
5317c478bd9Sstevel@tonic-gate WalkState->ResultObj = NULL;
5327c478bd9Sstevel@tonic-gate
5337b1019a6SJerry Jelinek #ifdef ACPI_DEBUGGER
5347c478bd9Sstevel@tonic-gate /* Call debugger for single step support (DEBUG build only) */
5357c478bd9Sstevel@tonic-gate
5367b1019a6SJerry Jelinek Status = AcpiDbSingleStep (WalkState, Op, OpClass);
5377b1019a6SJerry Jelinek if (ACPI_FAILURE (Status))
5387b1019a6SJerry Jelinek {
5397b1019a6SJerry Jelinek return_ACPI_STATUS (Status);
5407b1019a6SJerry Jelinek }
5417b1019a6SJerry Jelinek #endif
5427c478bd9Sstevel@tonic-gate
5437c478bd9Sstevel@tonic-gate /* Decode the Opcode Class */
5447c478bd9Sstevel@tonic-gate
5457c478bd9Sstevel@tonic-gate switch (OpClass)
5467c478bd9Sstevel@tonic-gate {
547db2bae30SDana Myers case AML_CLASS_ARGUMENT: /* Constants, literals, etc. */
548db2bae30SDana Myers
549db2bae30SDana Myers if (WalkState->Opcode == AML_INT_NAMEPATH_OP)
550db2bae30SDana Myers {
551db2bae30SDana Myers Status = AcpiDsEvaluateNamePath (WalkState);
552db2bae30SDana Myers if (ACPI_FAILURE (Status))
553db2bae30SDana Myers {
554db2bae30SDana Myers goto Cleanup;
555db2bae30SDana Myers }
556db2bae30SDana Myers }
5577c478bd9Sstevel@tonic-gate break;
5587c478bd9Sstevel@tonic-gate
559db2bae30SDana Myers case AML_CLASS_EXECUTE: /* Most operators with arguments */
5607c478bd9Sstevel@tonic-gate
5617c478bd9Sstevel@tonic-gate /* Build resolved operand stack */
5627c478bd9Sstevel@tonic-gate
5637c478bd9Sstevel@tonic-gate Status = AcpiDsCreateOperands (WalkState, FirstArg);
5647c478bd9Sstevel@tonic-gate if (ACPI_FAILURE (Status))
5657c478bd9Sstevel@tonic-gate {
5667c478bd9Sstevel@tonic-gate goto Cleanup;
5677c478bd9Sstevel@tonic-gate }
5687c478bd9Sstevel@tonic-gate
5697c478bd9Sstevel@tonic-gate /*
5707c478bd9Sstevel@tonic-gate * All opcodes require operand resolution, with the only exceptions
5717c478bd9Sstevel@tonic-gate * being the ObjectType and SizeOf operators.
5727c478bd9Sstevel@tonic-gate */
5737c478bd9Sstevel@tonic-gate if (!(WalkState->OpInfo->Flags & AML_NO_OPERAND_RESOLVE))
5747c478bd9Sstevel@tonic-gate {
5757c478bd9Sstevel@tonic-gate /* Resolve all operands */
5767c478bd9Sstevel@tonic-gate
5777c478bd9Sstevel@tonic-gate Status = AcpiExResolveOperands (WalkState->Opcode,
5787b1019a6SJerry Jelinek &(WalkState->Operands [WalkState->NumOperands -1]),
5797b1019a6SJerry Jelinek WalkState);
5807c478bd9Sstevel@tonic-gate }
5817c478bd9Sstevel@tonic-gate
5827c478bd9Sstevel@tonic-gate if (ACPI_SUCCESS (Status))
5837c478bd9Sstevel@tonic-gate {
5847c478bd9Sstevel@tonic-gate /*
5857c478bd9Sstevel@tonic-gate * Dispatch the request to the appropriate interpreter handler
5867b1019a6SJerry Jelinek * routine. There is one routine per opcode "type" based upon the
5877c478bd9Sstevel@tonic-gate * number of opcode arguments and return type.
5887c478bd9Sstevel@tonic-gate */
5897c478bd9Sstevel@tonic-gate Status = AcpiGbl_OpTypeDispatch[OpType] (WalkState);
5907c478bd9Sstevel@tonic-gate }
5917c478bd9Sstevel@tonic-gate else
5927c478bd9Sstevel@tonic-gate {
5937c478bd9Sstevel@tonic-gate /*
5947c478bd9Sstevel@tonic-gate * Treat constructs of the form "Store(LocalX,LocalX)" as noops when the
5957c478bd9Sstevel@tonic-gate * Local is uninitialized.
5967c478bd9Sstevel@tonic-gate */
5977c478bd9Sstevel@tonic-gate if ((Status == AE_AML_UNINITIALIZED_LOCAL) &&
5987c478bd9Sstevel@tonic-gate (WalkState->Opcode == AML_STORE_OP) &&
5997c478bd9Sstevel@tonic-gate (WalkState->Operands[0]->Common.Type == ACPI_TYPE_LOCAL_REFERENCE) &&
6007c478bd9Sstevel@tonic-gate (WalkState->Operands[1]->Common.Type == ACPI_TYPE_LOCAL_REFERENCE) &&
601db2bae30SDana Myers (WalkState->Operands[0]->Reference.Class ==
602db2bae30SDana Myers WalkState->Operands[1]->Reference.Class) &&
603db2bae30SDana Myers (WalkState->Operands[0]->Reference.Value ==
604db2bae30SDana Myers WalkState->Operands[1]->Reference.Value))
6057c478bd9Sstevel@tonic-gate {
6067c478bd9Sstevel@tonic-gate Status = AE_OK;
6077c478bd9Sstevel@tonic-gate }
6087c478bd9Sstevel@tonic-gate else
6097c478bd9Sstevel@tonic-gate {
61030082d0cSmyers ACPI_EXCEPTION ((AE_INFO, Status,
61130082d0cSmyers "While resolving operands for [%s]",
61230082d0cSmyers AcpiPsGetOpcodeName (WalkState->Opcode)));
6137c478bd9Sstevel@tonic-gate }
6147c478bd9Sstevel@tonic-gate }
6157c478bd9Sstevel@tonic-gate
6167c478bd9Sstevel@tonic-gate /* Always delete the argument objects and clear the operand stack */
6177c478bd9Sstevel@tonic-gate
6187c478bd9Sstevel@tonic-gate AcpiDsClearOperands (WalkState);
6197c478bd9Sstevel@tonic-gate
6207c478bd9Sstevel@tonic-gate /*
6217c478bd9Sstevel@tonic-gate * If a result object was returned from above, push it on the
6227c478bd9Sstevel@tonic-gate * current result stack
6237c478bd9Sstevel@tonic-gate */
6247c478bd9Sstevel@tonic-gate if (ACPI_SUCCESS (Status) &&
6257c478bd9Sstevel@tonic-gate WalkState->ResultObj)
6267c478bd9Sstevel@tonic-gate {
6277c478bd9Sstevel@tonic-gate Status = AcpiDsResultPush (WalkState->ResultObj, WalkState);
6287c478bd9Sstevel@tonic-gate }
6297c478bd9Sstevel@tonic-gate break;
6307c478bd9Sstevel@tonic-gate
6317c478bd9Sstevel@tonic-gate default:
6327c478bd9Sstevel@tonic-gate
6337c478bd9Sstevel@tonic-gate switch (OpType)
6347c478bd9Sstevel@tonic-gate {
6357c478bd9Sstevel@tonic-gate case AML_TYPE_CONTROL: /* Type 1 opcode, IF/ELSE/WHILE/NOOP */
6367c478bd9Sstevel@tonic-gate
6377c478bd9Sstevel@tonic-gate /* 1 Operand, 0 ExternalResult, 0 InternalResult */
6387c478bd9Sstevel@tonic-gate
6397c478bd9Sstevel@tonic-gate Status = AcpiDsExecEndControlOp (WalkState, Op);
6407c478bd9Sstevel@tonic-gate
6417c478bd9Sstevel@tonic-gate break;
6427c478bd9Sstevel@tonic-gate
6437c478bd9Sstevel@tonic-gate case AML_TYPE_METHOD_CALL:
6447c478bd9Sstevel@tonic-gate /*
6457c478bd9Sstevel@tonic-gate * If the method is referenced from within a package
6467c478bd9Sstevel@tonic-gate * declaration, it is not a invocation of the method, just
6477c478bd9Sstevel@tonic-gate * a reference to it.
6487c478bd9Sstevel@tonic-gate */
6497c478bd9Sstevel@tonic-gate if ((Op->Asl.Parent) &&
6507c478bd9Sstevel@tonic-gate ((Op->Asl.Parent->Asl.AmlOpcode == AML_PACKAGE_OP) ||
651*35786f68SRobert Mustacchi (Op->Asl.Parent->Asl.AmlOpcode == AML_VARIABLE_PACKAGE_OP)))
6527c478bd9Sstevel@tonic-gate {
6537c478bd9Sstevel@tonic-gate ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
6547c478bd9Sstevel@tonic-gate "Method Reference in a Package, Op=%p\n", Op));
65527f7c583Smyers
6567b1019a6SJerry Jelinek Op->Common.Node = (ACPI_NAMESPACE_NODE *)
6577b1019a6SJerry Jelinek Op->Asl.Value.Arg->Asl.Node;
6587c478bd9Sstevel@tonic-gate AcpiUtAddReference (Op->Asl.Value.Arg->Asl.Node->Object);
6597c478bd9Sstevel@tonic-gate return_ACPI_STATUS (AE_OK);
6607c478bd9Sstevel@tonic-gate }
6617c478bd9Sstevel@tonic-gate
6627b1019a6SJerry Jelinek ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
6637b1019a6SJerry Jelinek "Method invocation, Op=%p\n", Op));
6647c478bd9Sstevel@tonic-gate
6657c478bd9Sstevel@tonic-gate /*
6667c478bd9Sstevel@tonic-gate * (AML_METHODCALL) Op->Asl.Value.Arg->Asl.Node contains
6677c478bd9Sstevel@tonic-gate * the method Node pointer
6687c478bd9Sstevel@tonic-gate */
6697c478bd9Sstevel@tonic-gate /* NextOp points to the op that holds the method name */
6707c478bd9Sstevel@tonic-gate
6717c478bd9Sstevel@tonic-gate NextOp = FirstArg;
6727c478bd9Sstevel@tonic-gate
6737c478bd9Sstevel@tonic-gate /* NextOp points to first argument op */
6747c478bd9Sstevel@tonic-gate
6757c478bd9Sstevel@tonic-gate NextOp = NextOp->Common.Next;
6767c478bd9Sstevel@tonic-gate
6777c478bd9Sstevel@tonic-gate /*
6787c478bd9Sstevel@tonic-gate * Get the method's arguments and put them on the operand stack
6797c478bd9Sstevel@tonic-gate */
6807c478bd9Sstevel@tonic-gate Status = AcpiDsCreateOperands (WalkState, NextOp);
6817c478bd9Sstevel@tonic-gate if (ACPI_FAILURE (Status))
6827c478bd9Sstevel@tonic-gate {
6837c478bd9Sstevel@tonic-gate break;
6847c478bd9Sstevel@tonic-gate }
6857c478bd9Sstevel@tonic-gate
6867c478bd9Sstevel@tonic-gate /*
6877c478bd9Sstevel@tonic-gate * Since the operands will be passed to another control method,
6887c478bd9Sstevel@tonic-gate * we must resolve all local references here (Local variables,
6897c478bd9Sstevel@tonic-gate * arguments to *this* method, etc.)
6907c478bd9Sstevel@tonic-gate */
6917c478bd9Sstevel@tonic-gate Status = AcpiDsResolveOperands (WalkState);
6927c478bd9Sstevel@tonic-gate if (ACPI_FAILURE (Status))
6937c478bd9Sstevel@tonic-gate {
6947c478bd9Sstevel@tonic-gate /* On error, clear all resolved operands */
6957c478bd9Sstevel@tonic-gate
6967c478bd9Sstevel@tonic-gate AcpiDsClearOperands (WalkState);
6977c478bd9Sstevel@tonic-gate break;
6987c478bd9Sstevel@tonic-gate }
6997c478bd9Sstevel@tonic-gate
7007c478bd9Sstevel@tonic-gate /*
7017c478bd9Sstevel@tonic-gate * Tell the walk loop to preempt this running method and
7027c478bd9Sstevel@tonic-gate * execute the new method
7037c478bd9Sstevel@tonic-gate */
7047c478bd9Sstevel@tonic-gate Status = AE_CTRL_TRANSFER;
7057c478bd9Sstevel@tonic-gate
7067c478bd9Sstevel@tonic-gate /*
7077c478bd9Sstevel@tonic-gate * Return now; we don't want to disturb anything,
7087c478bd9Sstevel@tonic-gate * especially the operand count!
7097c478bd9Sstevel@tonic-gate */
7107c478bd9Sstevel@tonic-gate return_ACPI_STATUS (Status);
7117c478bd9Sstevel@tonic-gate
7127c478bd9Sstevel@tonic-gate case AML_TYPE_CREATE_FIELD:
7137c478bd9Sstevel@tonic-gate
7147c478bd9Sstevel@tonic-gate ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
7157c478bd9Sstevel@tonic-gate "Executing CreateField Buffer/Index Op=%p\n", Op));
7167c478bd9Sstevel@tonic-gate
7177c478bd9Sstevel@tonic-gate Status = AcpiDsLoad2EndOp (WalkState);
7187c478bd9Sstevel@tonic-gate if (ACPI_FAILURE (Status))
7197c478bd9Sstevel@tonic-gate {
7207c478bd9Sstevel@tonic-gate break;
7217c478bd9Sstevel@tonic-gate }
7227c478bd9Sstevel@tonic-gate
7237c478bd9Sstevel@tonic-gate Status = AcpiDsEvalBufferFieldOperands (WalkState, Op);
7247c478bd9Sstevel@tonic-gate break;
7257c478bd9Sstevel@tonic-gate
7267c478bd9Sstevel@tonic-gate
7277c478bd9Sstevel@tonic-gate case AML_TYPE_CREATE_OBJECT:
7287c478bd9Sstevel@tonic-gate
7297c478bd9Sstevel@tonic-gate ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
730*35786f68SRobert Mustacchi "Executing CreateObject (Buffer/Package) Op=%p Child=%p ParentOpcode=%4.4X\n",
731*35786f68SRobert Mustacchi Op, Op->Named.Value.Arg, Op->Common.Parent->Common.AmlOpcode));
7327c478bd9Sstevel@tonic-gate
7337c478bd9Sstevel@tonic-gate switch (Op->Common.Parent->Common.AmlOpcode)
7347c478bd9Sstevel@tonic-gate {
7357c478bd9Sstevel@tonic-gate case AML_NAME_OP:
7367c478bd9Sstevel@tonic-gate /*
7377c478bd9Sstevel@tonic-gate * Put the Node on the object stack (Contains the ACPI Name
7387c478bd9Sstevel@tonic-gate * of this object)
7397c478bd9Sstevel@tonic-gate */
7407b1019a6SJerry Jelinek WalkState->Operands[0] = (void *)
7417b1019a6SJerry Jelinek Op->Common.Parent->Common.Node;
7427c478bd9Sstevel@tonic-gate WalkState->NumOperands = 1;
7437c478bd9Sstevel@tonic-gate
7447c478bd9Sstevel@tonic-gate Status = AcpiDsCreateNode (WalkState,
7457b1019a6SJerry Jelinek Op->Common.Parent->Common.Node, Op->Common.Parent);
7467c478bd9Sstevel@tonic-gate if (ACPI_FAILURE (Status))
7477c478bd9Sstevel@tonic-gate {
7487c478bd9Sstevel@tonic-gate break;
7497c478bd9Sstevel@tonic-gate }
7507c478bd9Sstevel@tonic-gate
7517c478bd9Sstevel@tonic-gate /* Fall through */
7527c478bd9Sstevel@tonic-gate /*lint -fallthrough */
7537c478bd9Sstevel@tonic-gate
7547c478bd9Sstevel@tonic-gate case AML_INT_EVAL_SUBTREE_OP:
7557c478bd9Sstevel@tonic-gate
7567c478bd9Sstevel@tonic-gate Status = AcpiDsEvalDataObjectOperands (WalkState, Op,
7577b1019a6SJerry Jelinek AcpiNsGetAttachedObject (Op->Common.Parent->Common.Node));
7587c478bd9Sstevel@tonic-gate break;
7597c478bd9Sstevel@tonic-gate
7607c478bd9Sstevel@tonic-gate default:
7617c478bd9Sstevel@tonic-gate
7627c478bd9Sstevel@tonic-gate Status = AcpiDsEvalDataObjectOperands (WalkState, Op, NULL);
7637c478bd9Sstevel@tonic-gate break;
7647c478bd9Sstevel@tonic-gate }
7657c478bd9Sstevel@tonic-gate
7667c478bd9Sstevel@tonic-gate /*
7677c478bd9Sstevel@tonic-gate * If a result object was returned from above, push it on the
7687c478bd9Sstevel@tonic-gate * current result stack
7697c478bd9Sstevel@tonic-gate */
7707c478bd9Sstevel@tonic-gate if (WalkState->ResultObj)
7717c478bd9Sstevel@tonic-gate {
7727c478bd9Sstevel@tonic-gate Status = AcpiDsResultPush (WalkState->ResultObj, WalkState);
7737c478bd9Sstevel@tonic-gate }
7747c478bd9Sstevel@tonic-gate break;
7757c478bd9Sstevel@tonic-gate
7767c478bd9Sstevel@tonic-gate case AML_TYPE_NAMED_FIELD:
7777c478bd9Sstevel@tonic-gate case AML_TYPE_NAMED_COMPLEX:
7787c478bd9Sstevel@tonic-gate case AML_TYPE_NAMED_SIMPLE:
7797c478bd9Sstevel@tonic-gate case AML_TYPE_NAMED_NO_OBJ:
7807c478bd9Sstevel@tonic-gate
7817c478bd9Sstevel@tonic-gate Status = AcpiDsLoad2EndOp (WalkState);
7827c478bd9Sstevel@tonic-gate if (ACPI_FAILURE (Status))
7837c478bd9Sstevel@tonic-gate {
7847c478bd9Sstevel@tonic-gate break;
7857c478bd9Sstevel@tonic-gate }
7867c478bd9Sstevel@tonic-gate
7877c478bd9Sstevel@tonic-gate if (Op->Common.AmlOpcode == AML_REGION_OP)
7887c478bd9Sstevel@tonic-gate {
7897c478bd9Sstevel@tonic-gate ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
7907c478bd9Sstevel@tonic-gate "Executing OpRegion Address/Length Op=%p\n", Op));
7917c478bd9Sstevel@tonic-gate
7927c478bd9Sstevel@tonic-gate Status = AcpiDsEvalRegionOperands (WalkState, Op);
7937c478bd9Sstevel@tonic-gate if (ACPI_FAILURE (Status))
7947c478bd9Sstevel@tonic-gate {
7957c478bd9Sstevel@tonic-gate break;
7967c478bd9Sstevel@tonic-gate }
797db2bae30SDana Myers }
798db2bae30SDana Myers else if (Op->Common.AmlOpcode == AML_DATA_REGION_OP)
799db2bae30SDana Myers {
800db2bae30SDana Myers ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
801db2bae30SDana Myers "Executing DataTableRegion Strings Op=%p\n", Op));
802db2bae30SDana Myers
803db2bae30SDana Myers Status = AcpiDsEvalTableRegionOperands (WalkState, Op);
804db2bae30SDana Myers if (ACPI_FAILURE (Status))
805db2bae30SDana Myers {
806db2bae30SDana Myers break;
807db2bae30SDana Myers }
808db2bae30SDana Myers }
809db2bae30SDana Myers else if (Op->Common.AmlOpcode == AML_BANK_FIELD_OP)
810db2bae30SDana Myers {
811db2bae30SDana Myers ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
812db2bae30SDana Myers "Executing BankField Op=%p\n", Op));
8137c478bd9Sstevel@tonic-gate
814db2bae30SDana Myers Status = AcpiDsEvalBankFieldOperands (WalkState, Op);
815db2bae30SDana Myers if (ACPI_FAILURE (Status))
816db2bae30SDana Myers {
817db2bae30SDana Myers break;
818db2bae30SDana Myers }
8197c478bd9Sstevel@tonic-gate }
8207c478bd9Sstevel@tonic-gate break;
8217c478bd9Sstevel@tonic-gate
8227c478bd9Sstevel@tonic-gate case AML_TYPE_UNDEFINED:
8237c478bd9Sstevel@tonic-gate
82430082d0cSmyers ACPI_ERROR ((AE_INFO,
82530082d0cSmyers "Undefined opcode type Op=%p", Op));
8267c478bd9Sstevel@tonic-gate return_ACPI_STATUS (AE_NOT_IMPLEMENTED);
8277c478bd9Sstevel@tonic-gate
8287c478bd9Sstevel@tonic-gate case AML_TYPE_BOGUS:
8297c478bd9Sstevel@tonic-gate
8307c478bd9Sstevel@tonic-gate ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
8317c478bd9Sstevel@tonic-gate "Internal opcode=%X type Op=%p\n",
8327c478bd9Sstevel@tonic-gate WalkState->Opcode, Op));
8337c478bd9Sstevel@tonic-gate break;
8347c478bd9Sstevel@tonic-gate
8357c478bd9Sstevel@tonic-gate default:
8367c478bd9Sstevel@tonic-gate
83730082d0cSmyers ACPI_ERROR ((AE_INFO,
8387b1019a6SJerry Jelinek "Unimplemented opcode, class=0x%X "
8397b1019a6SJerry Jelinek "type=0x%X Opcode=0x%X Op=%p",
8407c478bd9Sstevel@tonic-gate OpClass, OpType, Op->Common.AmlOpcode, Op));
8417c478bd9Sstevel@tonic-gate
8427c478bd9Sstevel@tonic-gate Status = AE_NOT_IMPLEMENTED;
8437c478bd9Sstevel@tonic-gate break;
8447c478bd9Sstevel@tonic-gate }
8457c478bd9Sstevel@tonic-gate }
8467c478bd9Sstevel@tonic-gate
8477c478bd9Sstevel@tonic-gate /*
8487c478bd9Sstevel@tonic-gate * ACPI 2.0 support for 64-bit integers: Truncate numeric
8497c478bd9Sstevel@tonic-gate * result value if we are executing from a 32-bit ACPI table
8507c478bd9Sstevel@tonic-gate */
8517b1019a6SJerry Jelinek (void) AcpiExTruncateFor32bitTable (WalkState->ResultObj);
8527c478bd9Sstevel@tonic-gate
8537c478bd9Sstevel@tonic-gate /*
8547c478bd9Sstevel@tonic-gate * Check if we just completed the evaluation of a
8557c478bd9Sstevel@tonic-gate * conditional predicate
8567c478bd9Sstevel@tonic-gate */
8577c478bd9Sstevel@tonic-gate if ((ACPI_SUCCESS (Status)) &&
8587c478bd9Sstevel@tonic-gate (WalkState->ControlState) &&
8597c478bd9Sstevel@tonic-gate (WalkState->ControlState->Common.State ==
8607c478bd9Sstevel@tonic-gate ACPI_CONTROL_PREDICATE_EXECUTING) &&
8617c478bd9Sstevel@tonic-gate (WalkState->ControlState->Control.PredicateOp == Op))
8627c478bd9Sstevel@tonic-gate {
8637c478bd9Sstevel@tonic-gate Status = AcpiDsGetPredicateValue (WalkState, WalkState->ResultObj);
8647c478bd9Sstevel@tonic-gate WalkState->ResultObj = NULL;
8657c478bd9Sstevel@tonic-gate }
8667c478bd9Sstevel@tonic-gate
8677c478bd9Sstevel@tonic-gate
8687c478bd9Sstevel@tonic-gate Cleanup:
8697c478bd9Sstevel@tonic-gate
8707c478bd9Sstevel@tonic-gate if (WalkState->ResultObj)
8717c478bd9Sstevel@tonic-gate {
8727b1019a6SJerry Jelinek #ifdef ACPI_DEBUGGER
8737c478bd9Sstevel@tonic-gate /* Break to debugger to display result */
8747c478bd9Sstevel@tonic-gate
8757b1019a6SJerry Jelinek AcpiDbDisplayResultObject (WalkState->ResultObj,WalkState);
8767b1019a6SJerry Jelinek #endif
8777c478bd9Sstevel@tonic-gate
8787c478bd9Sstevel@tonic-gate /*
8797c478bd9Sstevel@tonic-gate * Delete the result op if and only if:
8807c478bd9Sstevel@tonic-gate * Parent will not use the result -- such as any
8817c478bd9Sstevel@tonic-gate * non-nested type2 op in a method (parent will be method)
8827c478bd9Sstevel@tonic-gate */
8837c478bd9Sstevel@tonic-gate AcpiDsDeleteResultIfNotUsed (Op, WalkState->ResultObj, WalkState);
8847c478bd9Sstevel@tonic-gate }
8857c478bd9Sstevel@tonic-gate
8867c478bd9Sstevel@tonic-gate #ifdef _UNDER_DEVELOPMENT
8877c478bd9Sstevel@tonic-gate
8887c478bd9Sstevel@tonic-gate if (WalkState->ParserState.Aml == WalkState->ParserState.AmlEnd)
8897c478bd9Sstevel@tonic-gate {
8907c478bd9Sstevel@tonic-gate AcpiDbMethodEnd (WalkState);
8917c478bd9Sstevel@tonic-gate }
8927c478bd9Sstevel@tonic-gate #endif
8937c478bd9Sstevel@tonic-gate
89430082d0cSmyers /* Invoke exception handler on error */
8957c478bd9Sstevel@tonic-gate
8967c478bd9Sstevel@tonic-gate if (ACPI_FAILURE (Status))
8977c478bd9Sstevel@tonic-gate {
89830082d0cSmyers Status = AcpiDsMethodError (Status, WalkState);
8997c478bd9Sstevel@tonic-gate }
9007c478bd9Sstevel@tonic-gate
90130082d0cSmyers /* Always clear the object stack */
90230082d0cSmyers
90330082d0cSmyers WalkState->NumOperands = 0;
9047c478bd9Sstevel@tonic-gate return_ACPI_STATUS (Status);
9057c478bd9Sstevel@tonic-gate }
906