10d02842fSSascha Wildner /****************************************************************************** 20d02842fSSascha Wildner * 30d02842fSSascha Wildner * Module Name: dsobject - Dispatcher object management routines 40d02842fSSascha Wildner * 50d02842fSSascha Wildner *****************************************************************************/ 60d02842fSSascha Wildner 7b4315fc7SSascha Wildner /****************************************************************************** 8b4315fc7SSascha Wildner * 9b4315fc7SSascha Wildner * 1. Copyright Notice 10b4315fc7SSascha Wildner * 11*7bcb6cafSSascha Wildner * Some or all of this work - Copyright (c) 1999 - 2018, Intel Corp. 120d02842fSSascha Wildner * All rights reserved. 130d02842fSSascha Wildner * 14b4315fc7SSascha Wildner * 2. License 15b4315fc7SSascha Wildner * 16b4315fc7SSascha Wildner * 2.1. This is your license from Intel Corp. under its intellectual property 17b4315fc7SSascha Wildner * rights. You may have additional license terms from the party that provided 18b4315fc7SSascha Wildner * you this software, covering your right to use that party's intellectual 19b4315fc7SSascha Wildner * property rights. 20b4315fc7SSascha Wildner * 21b4315fc7SSascha Wildner * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 22b4315fc7SSascha Wildner * copy of the source code appearing in this file ("Covered Code") an 23b4315fc7SSascha Wildner * irrevocable, perpetual, worldwide license under Intel's copyrights in the 24b4315fc7SSascha Wildner * base code distributed originally by Intel ("Original Intel Code") to copy, 25b4315fc7SSascha Wildner * make derivatives, distribute, use and display any portion of the Covered 26b4315fc7SSascha Wildner * Code in any form, with the right to sublicense such rights; and 27b4315fc7SSascha Wildner * 28b4315fc7SSascha Wildner * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 29b4315fc7SSascha Wildner * license (with the right to sublicense), under only those claims of Intel 30b4315fc7SSascha Wildner * patents that are infringed by the Original Intel Code, to make, use, sell, 31b4315fc7SSascha Wildner * offer to sell, and import the Covered Code and derivative works thereof 32b4315fc7SSascha Wildner * solely to the minimum extent necessary to exercise the above copyright 33b4315fc7SSascha Wildner * license, and in no event shall the patent license extend to any additions 34b4315fc7SSascha Wildner * to or modifications of the Original Intel Code. No other license or right 35b4315fc7SSascha Wildner * is granted directly or by implication, estoppel or otherwise; 36b4315fc7SSascha Wildner * 37b4315fc7SSascha Wildner * The above copyright and patent license is granted only if the following 38b4315fc7SSascha Wildner * conditions are met: 39b4315fc7SSascha Wildner * 40b4315fc7SSascha Wildner * 3. Conditions 41b4315fc7SSascha Wildner * 42b4315fc7SSascha Wildner * 3.1. Redistribution of Source with Rights to Further Distribute Source. 43b4315fc7SSascha Wildner * Redistribution of source code of any substantial portion of the Covered 44b4315fc7SSascha Wildner * Code or modification with rights to further distribute source must include 45b4315fc7SSascha Wildner * the above Copyright Notice, the above License, this list of Conditions, 46b4315fc7SSascha Wildner * and the following Disclaimer and Export Compliance provision. In addition, 47b4315fc7SSascha Wildner * Licensee must cause all Covered Code to which Licensee contributes to 48b4315fc7SSascha Wildner * contain a file documenting the changes Licensee made to create that Covered 49b4315fc7SSascha Wildner * Code and the date of any change. Licensee must include in that file the 50b4315fc7SSascha Wildner * documentation of any changes made by any predecessor Licensee. Licensee 51b4315fc7SSascha Wildner * must include a prominent statement that the modification is derived, 52b4315fc7SSascha Wildner * directly or indirectly, from Original Intel Code. 53b4315fc7SSascha Wildner * 54b4315fc7SSascha Wildner * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 55b4315fc7SSascha Wildner * Redistribution of source code of any substantial portion of the Covered 56b4315fc7SSascha Wildner * Code or modification without rights to further distribute source must 57b4315fc7SSascha Wildner * include the following Disclaimer and Export Compliance provision in the 58b4315fc7SSascha Wildner * documentation and/or other materials provided with distribution. In 59b4315fc7SSascha Wildner * addition, Licensee may not authorize further sublicense of source of any 60b4315fc7SSascha Wildner * portion of the Covered Code, and must include terms to the effect that the 61b4315fc7SSascha Wildner * license from Licensee to its licensee is limited to the intellectual 62b4315fc7SSascha Wildner * property embodied in the software Licensee provides to its licensee, and 63b4315fc7SSascha Wildner * not to intellectual property embodied in modifications its licensee may 64b4315fc7SSascha Wildner * make. 65b4315fc7SSascha Wildner * 66b4315fc7SSascha Wildner * 3.3. Redistribution of Executable. Redistribution in executable form of any 67b4315fc7SSascha Wildner * substantial portion of the Covered Code or modification must reproduce the 68b4315fc7SSascha Wildner * above Copyright Notice, and the following Disclaimer and Export Compliance 69b4315fc7SSascha Wildner * provision in the documentation and/or other materials provided with the 70b4315fc7SSascha Wildner * distribution. 71b4315fc7SSascha Wildner * 72b4315fc7SSascha Wildner * 3.4. Intel retains all right, title, and interest in and to the Original 73b4315fc7SSascha Wildner * Intel Code. 74b4315fc7SSascha Wildner * 75b4315fc7SSascha Wildner * 3.5. Neither the name Intel nor any other trademark owned or controlled by 76b4315fc7SSascha Wildner * Intel shall be used in advertising or otherwise to promote the sale, use or 77b4315fc7SSascha Wildner * other dealings in products derived from or relating to the Covered Code 78b4315fc7SSascha Wildner * without prior written authorization from Intel. 79b4315fc7SSascha Wildner * 80b4315fc7SSascha Wildner * 4. Disclaimer and Export Compliance 81b4315fc7SSascha Wildner * 82b4315fc7SSascha Wildner * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 83b4315fc7SSascha Wildner * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 84b4315fc7SSascha Wildner * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 85b4315fc7SSascha Wildner * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 86b4315fc7SSascha Wildner * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 87b4315fc7SSascha Wildner * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 88b4315fc7SSascha Wildner * PARTICULAR PURPOSE. 89b4315fc7SSascha Wildner * 90b4315fc7SSascha Wildner * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 91b4315fc7SSascha Wildner * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 92b4315fc7SSascha Wildner * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 93b4315fc7SSascha Wildner * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 94b4315fc7SSascha Wildner * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 95b4315fc7SSascha Wildner * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 96b4315fc7SSascha Wildner * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 97b4315fc7SSascha Wildner * LIMITED REMEDY. 98b4315fc7SSascha Wildner * 99b4315fc7SSascha Wildner * 4.3. Licensee shall not export, either directly or indirectly, any of this 100b4315fc7SSascha Wildner * software or system incorporating such software without first obtaining any 101b4315fc7SSascha Wildner * required license or other approval from the U. S. Department of Commerce or 102b4315fc7SSascha Wildner * any other agency or department of the United States Government. In the 103b4315fc7SSascha Wildner * event Licensee exports any such software from the United States or 104b4315fc7SSascha Wildner * re-exports any such software from a foreign destination, Licensee shall 105b4315fc7SSascha Wildner * ensure that the distribution and export/re-export of the software is in 106b4315fc7SSascha Wildner * compliance with all laws, regulations, orders, or other restrictions of the 107b4315fc7SSascha Wildner * U.S. Export Administration Regulations. Licensee agrees that neither it nor 108b4315fc7SSascha Wildner * any of its subsidiaries will export/re-export any technical data, process, 109b4315fc7SSascha Wildner * software, or service, directly or indirectly, to any country for which the 110b4315fc7SSascha Wildner * United States government or any agency thereof requires an export license, 111b4315fc7SSascha Wildner * other governmental approval, or letter of assurance, without first obtaining 112b4315fc7SSascha Wildner * such license, approval or letter. 113b4315fc7SSascha Wildner * 114b4315fc7SSascha Wildner ***************************************************************************** 115b4315fc7SSascha Wildner * 116b4315fc7SSascha Wildner * Alternatively, you may choose to be licensed under the terms of the 117b4315fc7SSascha Wildner * following license: 118b4315fc7SSascha Wildner * 1190d02842fSSascha Wildner * Redistribution and use in source and binary forms, with or without 1200d02842fSSascha Wildner * modification, are permitted provided that the following conditions 1210d02842fSSascha Wildner * are met: 1220d02842fSSascha Wildner * 1. Redistributions of source code must retain the above copyright 1230d02842fSSascha Wildner * notice, this list of conditions, and the following disclaimer, 1240d02842fSSascha Wildner * without modification. 1250d02842fSSascha Wildner * 2. Redistributions in binary form must reproduce at minimum a disclaimer 1260d02842fSSascha Wildner * substantially similar to the "NO WARRANTY" disclaimer below 1270d02842fSSascha Wildner * ("Disclaimer") and any redistribution must be conditioned upon 1280d02842fSSascha Wildner * including a substantially similar Disclaimer requirement for further 1290d02842fSSascha Wildner * binary redistribution. 1300d02842fSSascha Wildner * 3. Neither the names of the above-listed copyright holders nor the names 1310d02842fSSascha Wildner * of any contributors may be used to endorse or promote products derived 1320d02842fSSascha Wildner * from this software without specific prior written permission. 1330d02842fSSascha Wildner * 134b4315fc7SSascha Wildner * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 135b4315fc7SSascha Wildner * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 136b4315fc7SSascha Wildner * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 137b4315fc7SSascha Wildner * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 138b4315fc7SSascha Wildner * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 139b4315fc7SSascha Wildner * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 140b4315fc7SSascha Wildner * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 141b4315fc7SSascha Wildner * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 142b4315fc7SSascha Wildner * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 143b4315fc7SSascha Wildner * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 144b4315fc7SSascha Wildner * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 145b4315fc7SSascha Wildner * 146b4315fc7SSascha Wildner * Alternatively, you may choose to be licensed under the terms of the 1470d02842fSSascha Wildner * GNU General Public License ("GPL") version 2 as published by the Free 1480d02842fSSascha Wildner * Software Foundation. 1490d02842fSSascha Wildner * 150b4315fc7SSascha Wildner *****************************************************************************/ 1510d02842fSSascha Wildner 1520d02842fSSascha Wildner #include "acpi.h" 1530d02842fSSascha Wildner #include "accommon.h" 1540d02842fSSascha Wildner #include "acparser.h" 1550d02842fSSascha Wildner #include "amlcode.h" 1560d02842fSSascha Wildner #include "acdispat.h" 1570d02842fSSascha Wildner #include "acnamesp.h" 1580d02842fSSascha Wildner #include "acinterp.h" 1590d02842fSSascha Wildner 1600d02842fSSascha Wildner #define _COMPONENT ACPI_DISPATCHER 1610d02842fSSascha Wildner ACPI_MODULE_NAME ("dsobject") 1620d02842fSSascha Wildner 1630d02842fSSascha Wildner 1640d02842fSSascha Wildner #ifndef ACPI_NO_METHOD_EXECUTION 1650d02842fSSascha Wildner /******************************************************************************* 1660d02842fSSascha Wildner * 1670d02842fSSascha Wildner * FUNCTION: AcpiDsBuildInternalObject 1680d02842fSSascha Wildner * 1690d02842fSSascha Wildner * PARAMETERS: WalkState - Current walk state 1700d02842fSSascha Wildner * Op - Parser object to be translated 1710d02842fSSascha Wildner * ObjDescPtr - Where the ACPI internal object is returned 1720d02842fSSascha Wildner * 1730d02842fSSascha Wildner * RETURN: Status 1740d02842fSSascha Wildner * 1750d02842fSSascha Wildner * DESCRIPTION: Translate a parser Op object to the equivalent namespace object 1760d02842fSSascha Wildner * Simple objects are any objects other than a package object! 1770d02842fSSascha Wildner * 1780d02842fSSascha Wildner ******************************************************************************/ 1790d02842fSSascha Wildner 1803c639e0cSSascha Wildner ACPI_STATUS 1810d02842fSSascha Wildner AcpiDsBuildInternalObject ( 1820d02842fSSascha Wildner ACPI_WALK_STATE *WalkState, 1830d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op, 1840d02842fSSascha Wildner ACPI_OPERAND_OBJECT **ObjDescPtr) 1850d02842fSSascha Wildner { 1860d02842fSSascha Wildner ACPI_OPERAND_OBJECT *ObjDesc; 1870d02842fSSascha Wildner ACPI_STATUS Status; 1880d02842fSSascha Wildner 1890d02842fSSascha Wildner 1900d02842fSSascha Wildner ACPI_FUNCTION_TRACE (DsBuildInternalObject); 1910d02842fSSascha Wildner 1920d02842fSSascha Wildner 1930d02842fSSascha Wildner *ObjDescPtr = NULL; 1940d02842fSSascha Wildner if (Op->Common.AmlOpcode == AML_INT_NAMEPATH_OP) 1950d02842fSSascha Wildner { 1960d02842fSSascha Wildner /* 1970d02842fSSascha Wildner * This is a named object reference. If this name was 1983c639e0cSSascha Wildner * previously looked up in the namespace, it was stored in 1993c639e0cSSascha Wildner * this op. Otherwise, go ahead and look it up now 2000d02842fSSascha Wildner */ 2010d02842fSSascha Wildner if (!Op->Common.Node) 2020d02842fSSascha Wildner { 2030d02842fSSascha Wildner /* Check if we are resolving a named reference within a package */ 2040d02842fSSascha Wildner 2050d02842fSSascha Wildner if ((Op->Common.Parent->Common.AmlOpcode == AML_PACKAGE_OP) || 206d638c6eeSSascha Wildner (Op->Common.Parent->Common.AmlOpcode == AML_VARIABLE_PACKAGE_OP)) 2070d02842fSSascha Wildner { 2080d02842fSSascha Wildner /* 2093c639e0cSSascha Wildner * We won't resolve package elements here, we will do this 2103c639e0cSSascha Wildner * after all ACPI tables are loaded into the namespace. This 2113c639e0cSSascha Wildner * behavior supports both forward references to named objects 2123c639e0cSSascha Wildner * and external references to objects in other tables. 2130d02842fSSascha Wildner */ 2143c639e0cSSascha Wildner goto CreateNewObject; 2153c639e0cSSascha Wildner } 2163c639e0cSSascha Wildner else 2173c639e0cSSascha Wildner { 2183c639e0cSSascha Wildner Status = AcpiNsLookup (WalkState->ScopeInfo, 2193c639e0cSSascha Wildner Op->Common.Value.String, 2203c639e0cSSascha Wildner ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE, 2213c639e0cSSascha Wildner ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, NULL, 2223c639e0cSSascha Wildner ACPI_CAST_INDIRECT_PTR ( 2233c639e0cSSascha Wildner ACPI_NAMESPACE_NODE, &(Op->Common.Node))); 2240d02842fSSascha Wildner if (ACPI_FAILURE (Status)) 2250d02842fSSascha Wildner { 226*7bcb6cafSSascha Wildner ACPI_ERROR_NAMESPACE (WalkState->ScopeInfo, 227*7bcb6cafSSascha Wildner Op->Common.Value.String, Status); 2280d02842fSSascha Wildner return_ACPI_STATUS (Status); 2290d02842fSSascha Wildner } 2300d02842fSSascha Wildner } 2310d02842fSSascha Wildner } 2320d02842fSSascha Wildner } 2330d02842fSSascha Wildner 2343c639e0cSSascha Wildner CreateNewObject: 2353c639e0cSSascha Wildner 2360d02842fSSascha Wildner /* Create and init a new internal ACPI object */ 2370d02842fSSascha Wildner 2380d02842fSSascha Wildner ObjDesc = AcpiUtCreateInternalObject ( 2390d02842fSSascha Wildner (AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode))->ObjectType); 2400d02842fSSascha Wildner if (!ObjDesc) 2410d02842fSSascha Wildner { 2420d02842fSSascha Wildner return_ACPI_STATUS (AE_NO_MEMORY); 2430d02842fSSascha Wildner } 2440d02842fSSascha Wildner 245820c5b08SSascha Wildner Status = AcpiDsInitObjectFromOp ( 246820c5b08SSascha Wildner WalkState, Op, Op->Common.AmlOpcode, &ObjDesc); 2470d02842fSSascha Wildner if (ACPI_FAILURE (Status)) 2480d02842fSSascha Wildner { 2490d02842fSSascha Wildner AcpiUtRemoveReference (ObjDesc); 2500d02842fSSascha Wildner return_ACPI_STATUS (Status); 2510d02842fSSascha Wildner } 2520d02842fSSascha Wildner 2533c639e0cSSascha Wildner /* 2543c639e0cSSascha Wildner * Handling for unresolved package reference elements. 2553c639e0cSSascha Wildner * These are elements that are namepaths. 2563c639e0cSSascha Wildner */ 2573c639e0cSSascha Wildner if ((Op->Common.Parent->Common.AmlOpcode == AML_PACKAGE_OP) || 2583c639e0cSSascha Wildner (Op->Common.Parent->Common.AmlOpcode == AML_VARIABLE_PACKAGE_OP)) 2593c639e0cSSascha Wildner { 2603c639e0cSSascha Wildner ObjDesc->Reference.Resolved = TRUE; 2613c639e0cSSascha Wildner 2623c639e0cSSascha Wildner if ((Op->Common.AmlOpcode == AML_INT_NAMEPATH_OP) && 2633c639e0cSSascha Wildner !ObjDesc->Reference.Node) 2643c639e0cSSascha Wildner { 2653c639e0cSSascha Wildner /* 2663c639e0cSSascha Wildner * Name was unresolved above. 2673c639e0cSSascha Wildner * Get the prefix node for later lookup 2683c639e0cSSascha Wildner */ 2693c639e0cSSascha Wildner ObjDesc->Reference.Node = WalkState->ScopeInfo->Scope.Node; 2703c639e0cSSascha Wildner ObjDesc->Reference.Aml = Op->Common.Aml; 2713c639e0cSSascha Wildner ObjDesc->Reference.Resolved = FALSE; 2723c639e0cSSascha Wildner } 2733c639e0cSSascha Wildner } 2743c639e0cSSascha Wildner 2750d02842fSSascha Wildner *ObjDescPtr = ObjDesc; 2760d02842fSSascha Wildner return_ACPI_STATUS (Status); 2770d02842fSSascha Wildner } 2780d02842fSSascha Wildner 2790d02842fSSascha Wildner 2800d02842fSSascha Wildner /******************************************************************************* 2810d02842fSSascha Wildner * 2820d02842fSSascha Wildner * FUNCTION: AcpiDsBuildInternalBufferObj 2830d02842fSSascha Wildner * 2840d02842fSSascha Wildner * PARAMETERS: WalkState - Current walk state 2850d02842fSSascha Wildner * Op - Parser object to be translated 2860d02842fSSascha Wildner * BufferLength - Length of the buffer 2870d02842fSSascha Wildner * ObjDescPtr - Where the ACPI internal object is returned 2880d02842fSSascha Wildner * 2890d02842fSSascha Wildner * RETURN: Status 2900d02842fSSascha Wildner * 2910d02842fSSascha Wildner * DESCRIPTION: Translate a parser Op package object to the equivalent 2920d02842fSSascha Wildner * namespace object 2930d02842fSSascha Wildner * 2940d02842fSSascha Wildner ******************************************************************************/ 2950d02842fSSascha Wildner 2960d02842fSSascha Wildner ACPI_STATUS 2970d02842fSSascha Wildner AcpiDsBuildInternalBufferObj ( 2980d02842fSSascha Wildner ACPI_WALK_STATE *WalkState, 2990d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op, 3000d02842fSSascha Wildner UINT32 BufferLength, 3010d02842fSSascha Wildner ACPI_OPERAND_OBJECT **ObjDescPtr) 3020d02842fSSascha Wildner { 3030d02842fSSascha Wildner ACPI_PARSE_OBJECT *Arg; 3040d02842fSSascha Wildner ACPI_OPERAND_OBJECT *ObjDesc; 3050d02842fSSascha Wildner ACPI_PARSE_OBJECT *ByteList; 3060d02842fSSascha Wildner UINT32 ByteListLength = 0; 3070d02842fSSascha Wildner 3080d02842fSSascha Wildner 3090d02842fSSascha Wildner ACPI_FUNCTION_TRACE (DsBuildInternalBufferObj); 3100d02842fSSascha Wildner 3110d02842fSSascha Wildner 3120d02842fSSascha Wildner /* 3130d02842fSSascha Wildner * If we are evaluating a Named buffer object "Name (xxxx, Buffer)". 3140d02842fSSascha Wildner * The buffer object already exists (from the NS node), otherwise it must 3150d02842fSSascha Wildner * be created. 3160d02842fSSascha Wildner */ 3170d02842fSSascha Wildner ObjDesc = *ObjDescPtr; 3180d02842fSSascha Wildner if (!ObjDesc) 3190d02842fSSascha Wildner { 3200d02842fSSascha Wildner /* Create a new buffer object */ 3210d02842fSSascha Wildner 3220d02842fSSascha Wildner ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_BUFFER); 3230d02842fSSascha Wildner *ObjDescPtr = ObjDesc; 3240d02842fSSascha Wildner if (!ObjDesc) 3250d02842fSSascha Wildner { 3260d02842fSSascha Wildner return_ACPI_STATUS (AE_NO_MEMORY); 3270d02842fSSascha Wildner } 3280d02842fSSascha Wildner } 3290d02842fSSascha Wildner 3300d02842fSSascha Wildner /* 3310d02842fSSascha Wildner * Second arg is the buffer data (optional) ByteList can be either 3320d02842fSSascha Wildner * individual bytes or a string initializer. In either case, a 3330d02842fSSascha Wildner * ByteList appears in the AML. 3340d02842fSSascha Wildner */ 3350d02842fSSascha Wildner Arg = Op->Common.Value.Arg; /* skip first arg */ 3360d02842fSSascha Wildner 3370d02842fSSascha Wildner ByteList = Arg->Named.Next; 3380d02842fSSascha Wildner if (ByteList) 3390d02842fSSascha Wildner { 3400d02842fSSascha Wildner if (ByteList->Common.AmlOpcode != AML_INT_BYTELIST_OP) 3410d02842fSSascha Wildner { 3420d02842fSSascha Wildner ACPI_ERROR ((AE_INFO, 3430d02842fSSascha Wildner "Expecting bytelist, found AML opcode 0x%X in op %p", 3440d02842fSSascha Wildner ByteList->Common.AmlOpcode, ByteList)); 3450d02842fSSascha Wildner 3460d02842fSSascha Wildner AcpiUtRemoveReference (ObjDesc); 3470d02842fSSascha Wildner return (AE_TYPE); 3480d02842fSSascha Wildner } 3490d02842fSSascha Wildner 3500d02842fSSascha Wildner ByteListLength = (UINT32) ByteList->Common.Value.Integer; 3510d02842fSSascha Wildner } 3520d02842fSSascha Wildner 3530d02842fSSascha Wildner /* 3540d02842fSSascha Wildner * The buffer length (number of bytes) will be the larger of: 3550d02842fSSascha Wildner * 1) The specified buffer length and 3560d02842fSSascha Wildner * 2) The length of the initializer byte list 3570d02842fSSascha Wildner */ 3580d02842fSSascha Wildner ObjDesc->Buffer.Length = BufferLength; 3590d02842fSSascha Wildner if (ByteListLength > BufferLength) 3600d02842fSSascha Wildner { 3610d02842fSSascha Wildner ObjDesc->Buffer.Length = ByteListLength; 3620d02842fSSascha Wildner } 3630d02842fSSascha Wildner 3640d02842fSSascha Wildner /* Allocate the buffer */ 3650d02842fSSascha Wildner 3660d02842fSSascha Wildner if (ObjDesc->Buffer.Length == 0) 3670d02842fSSascha Wildner { 3680d02842fSSascha Wildner ObjDesc->Buffer.Pointer = NULL; 3690d02842fSSascha Wildner ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, 3700d02842fSSascha Wildner "Buffer defined with zero length in AML, creating\n")); 3710d02842fSSascha Wildner } 3720d02842fSSascha Wildner else 3730d02842fSSascha Wildner { 374820c5b08SSascha Wildner ObjDesc->Buffer.Pointer = 375820c5b08SSascha Wildner ACPI_ALLOCATE_ZEROED (ObjDesc->Buffer.Length); 3760d02842fSSascha Wildner if (!ObjDesc->Buffer.Pointer) 3770d02842fSSascha Wildner { 3780d02842fSSascha Wildner AcpiUtDeleteObjectDesc (ObjDesc); 3790d02842fSSascha Wildner return_ACPI_STATUS (AE_NO_MEMORY); 3800d02842fSSascha Wildner } 3810d02842fSSascha Wildner 3820d02842fSSascha Wildner /* Initialize buffer from the ByteList (if present) */ 3830d02842fSSascha Wildner 3840d02842fSSascha Wildner if (ByteList) 3850d02842fSSascha Wildner { 38625ca8c79SSascha Wildner memcpy (ObjDesc->Buffer.Pointer, ByteList->Named.Data, 3870d02842fSSascha Wildner ByteListLength); 3880d02842fSSascha Wildner } 3890d02842fSSascha Wildner } 3900d02842fSSascha Wildner 3910d02842fSSascha Wildner ObjDesc->Buffer.Flags |= AOPOBJ_DATA_VALID; 3920d02842fSSascha Wildner Op->Common.Node = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, ObjDesc); 3930d02842fSSascha Wildner return_ACPI_STATUS (AE_OK); 3940d02842fSSascha Wildner } 3950d02842fSSascha Wildner 3960d02842fSSascha Wildner /******************************************************************************* 3970d02842fSSascha Wildner * 3980d02842fSSascha Wildner * FUNCTION: AcpiDsCreateNode 3990d02842fSSascha Wildner * 4000d02842fSSascha Wildner * PARAMETERS: WalkState - Current walk state 4010d02842fSSascha Wildner * Node - NS Node to be initialized 4020d02842fSSascha Wildner * Op - Parser object to be translated 4030d02842fSSascha Wildner * 4040d02842fSSascha Wildner * RETURN: Status 4050d02842fSSascha Wildner * 4060d02842fSSascha Wildner * DESCRIPTION: Create the object to be associated with a namespace node 4070d02842fSSascha Wildner * 4080d02842fSSascha Wildner ******************************************************************************/ 4090d02842fSSascha Wildner 4100d02842fSSascha Wildner ACPI_STATUS 4110d02842fSSascha Wildner AcpiDsCreateNode ( 4120d02842fSSascha Wildner ACPI_WALK_STATE *WalkState, 4130d02842fSSascha Wildner ACPI_NAMESPACE_NODE *Node, 4140d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op) 4150d02842fSSascha Wildner { 4160d02842fSSascha Wildner ACPI_STATUS Status; 4170d02842fSSascha Wildner ACPI_OPERAND_OBJECT *ObjDesc; 4180d02842fSSascha Wildner 4190d02842fSSascha Wildner 4200d02842fSSascha Wildner ACPI_FUNCTION_TRACE_PTR (DsCreateNode, Op); 4210d02842fSSascha Wildner 4220d02842fSSascha Wildner 4230d02842fSSascha Wildner /* 4240d02842fSSascha Wildner * Because of the execution pass through the non-control-method 4250d02842fSSascha Wildner * parts of the table, we can arrive here twice. Only init 4260d02842fSSascha Wildner * the named object node the first time through 4270d02842fSSascha Wildner */ 4280d02842fSSascha Wildner if (AcpiNsGetAttachedObject (Node)) 4290d02842fSSascha Wildner { 4300d02842fSSascha Wildner return_ACPI_STATUS (AE_OK); 4310d02842fSSascha Wildner } 4320d02842fSSascha Wildner 4330d02842fSSascha Wildner if (!Op->Common.Value.Arg) 4340d02842fSSascha Wildner { 4350d02842fSSascha Wildner /* No arguments, there is nothing to do */ 4360d02842fSSascha Wildner 4370d02842fSSascha Wildner return_ACPI_STATUS (AE_OK); 4380d02842fSSascha Wildner } 4390d02842fSSascha Wildner 4400d02842fSSascha Wildner /* Build an internal object for the argument(s) */ 4410d02842fSSascha Wildner 442820c5b08SSascha Wildner Status = AcpiDsBuildInternalObject ( 443820c5b08SSascha Wildner WalkState, Op->Common.Value.Arg, &ObjDesc); 4440d02842fSSascha Wildner if (ACPI_FAILURE (Status)) 4450d02842fSSascha Wildner { 4460d02842fSSascha Wildner return_ACPI_STATUS (Status); 4470d02842fSSascha Wildner } 4480d02842fSSascha Wildner 4490d02842fSSascha Wildner /* Re-type the object according to its argument */ 4500d02842fSSascha Wildner 4510d02842fSSascha Wildner Node->Type = ObjDesc->Common.Type; 4520d02842fSSascha Wildner 4530d02842fSSascha Wildner /* Attach obj to node */ 4540d02842fSSascha Wildner 4550d02842fSSascha Wildner Status = AcpiNsAttachObject (Node, ObjDesc, Node->Type); 4560d02842fSSascha Wildner 4570d02842fSSascha Wildner /* Remove local reference to the object */ 4580d02842fSSascha Wildner 4590d02842fSSascha Wildner AcpiUtRemoveReference (ObjDesc); 4600d02842fSSascha Wildner return_ACPI_STATUS (Status); 4610d02842fSSascha Wildner } 4620d02842fSSascha Wildner 4630d02842fSSascha Wildner #endif /* ACPI_NO_METHOD_EXECUTION */ 4640d02842fSSascha Wildner 4650d02842fSSascha Wildner 4660d02842fSSascha Wildner /******************************************************************************* 4670d02842fSSascha Wildner * 4680d02842fSSascha Wildner * FUNCTION: AcpiDsInitObjectFromOp 4690d02842fSSascha Wildner * 4700d02842fSSascha Wildner * PARAMETERS: WalkState - Current walk state 4710d02842fSSascha Wildner * Op - Parser op used to init the internal object 4720d02842fSSascha Wildner * Opcode - AML opcode associated with the object 4730d02842fSSascha Wildner * RetObjDesc - Namespace object to be initialized 4740d02842fSSascha Wildner * 4750d02842fSSascha Wildner * RETURN: Status 4760d02842fSSascha Wildner * 4770d02842fSSascha Wildner * DESCRIPTION: Initialize a namespace object from a parser Op and its 4780d02842fSSascha Wildner * associated arguments. The namespace object is a more compact 4790d02842fSSascha Wildner * representation of the Op and its arguments. 4800d02842fSSascha Wildner * 4810d02842fSSascha Wildner ******************************************************************************/ 4820d02842fSSascha Wildner 4830d02842fSSascha Wildner ACPI_STATUS 4840d02842fSSascha Wildner AcpiDsInitObjectFromOp ( 4850d02842fSSascha Wildner ACPI_WALK_STATE *WalkState, 4860d02842fSSascha Wildner ACPI_PARSE_OBJECT *Op, 4870d02842fSSascha Wildner UINT16 Opcode, 4880d02842fSSascha Wildner ACPI_OPERAND_OBJECT **RetObjDesc) 4890d02842fSSascha Wildner { 4900d02842fSSascha Wildner const ACPI_OPCODE_INFO *OpInfo; 4910d02842fSSascha Wildner ACPI_OPERAND_OBJECT *ObjDesc; 4920d02842fSSascha Wildner ACPI_STATUS Status = AE_OK; 4930d02842fSSascha Wildner 4940d02842fSSascha Wildner 4950d02842fSSascha Wildner ACPI_FUNCTION_TRACE (DsInitObjectFromOp); 4960d02842fSSascha Wildner 4970d02842fSSascha Wildner 4980d02842fSSascha Wildner ObjDesc = *RetObjDesc; 4990d02842fSSascha Wildner OpInfo = AcpiPsGetOpcodeInfo (Opcode); 5000d02842fSSascha Wildner if (OpInfo->Class == AML_CLASS_UNKNOWN) 5010d02842fSSascha Wildner { 5020d02842fSSascha Wildner /* Unknown opcode */ 5030d02842fSSascha Wildner 5040d02842fSSascha Wildner return_ACPI_STATUS (AE_TYPE); 5050d02842fSSascha Wildner } 5060d02842fSSascha Wildner 5070d02842fSSascha Wildner /* Perform per-object initialization */ 5080d02842fSSascha Wildner 5090d02842fSSascha Wildner switch (ObjDesc->Common.Type) 5100d02842fSSascha Wildner { 5110d02842fSSascha Wildner case ACPI_TYPE_BUFFER: 5120d02842fSSascha Wildner /* 5130d02842fSSascha Wildner * Defer evaluation of Buffer TermArg operand 5140d02842fSSascha Wildner */ 515820c5b08SSascha Wildner ObjDesc->Buffer.Node = ACPI_CAST_PTR ( 516820c5b08SSascha Wildner ACPI_NAMESPACE_NODE, WalkState->Operands[0]); 5170d02842fSSascha Wildner ObjDesc->Buffer.AmlStart = Op->Named.Data; 5180d02842fSSascha Wildner ObjDesc->Buffer.AmlLength = Op->Named.Length; 5190d02842fSSascha Wildner break; 5200d02842fSSascha Wildner 5210d02842fSSascha Wildner case ACPI_TYPE_PACKAGE: 5220d02842fSSascha Wildner /* 5233c639e0cSSascha Wildner * Defer evaluation of Package TermArg operand and all 5243c639e0cSSascha Wildner * package elements. (01/2017): We defer the element 5253c639e0cSSascha Wildner * resolution to allow forward references from the package 5263c639e0cSSascha Wildner * in order to provide compatibility with other ACPI 5273c639e0cSSascha Wildner * implementations. 5280d02842fSSascha Wildner */ 529820c5b08SSascha Wildner ObjDesc->Package.Node = ACPI_CAST_PTR ( 530820c5b08SSascha Wildner ACPI_NAMESPACE_NODE, WalkState->Operands[0]); 5313c639e0cSSascha Wildner 5323c639e0cSSascha Wildner if (!Op->Named.Data) 5333c639e0cSSascha Wildner { 5343c639e0cSSascha Wildner return_ACPI_STATUS (AE_OK); 5353c639e0cSSascha Wildner } 5363c639e0cSSascha Wildner 5370d02842fSSascha Wildner ObjDesc->Package.AmlStart = Op->Named.Data; 5380d02842fSSascha Wildner ObjDesc->Package.AmlLength = Op->Named.Length; 5390d02842fSSascha Wildner break; 5400d02842fSSascha Wildner 5410d02842fSSascha Wildner case ACPI_TYPE_INTEGER: 5420d02842fSSascha Wildner 5430d02842fSSascha Wildner switch (OpInfo->Type) 5440d02842fSSascha Wildner { 5450d02842fSSascha Wildner case AML_TYPE_CONSTANT: 5460d02842fSSascha Wildner /* 5470d02842fSSascha Wildner * Resolve AML Constants here - AND ONLY HERE! 5480d02842fSSascha Wildner * All constants are integers. 5490d02842fSSascha Wildner * We mark the integer with a flag that indicates that it started 5500d02842fSSascha Wildner * life as a constant -- so that stores to constants will perform 5510d02842fSSascha Wildner * as expected (noop). ZeroOp is used as a placeholder for optional 5520d02842fSSascha Wildner * target operands. 5530d02842fSSascha Wildner */ 5540d02842fSSascha Wildner ObjDesc->Common.Flags = AOPOBJ_AML_CONSTANT; 5550d02842fSSascha Wildner 5560d02842fSSascha Wildner switch (Opcode) 5570d02842fSSascha Wildner { 5580d02842fSSascha Wildner case AML_ZERO_OP: 5590d02842fSSascha Wildner 5600d02842fSSascha Wildner ObjDesc->Integer.Value = 0; 5610d02842fSSascha Wildner break; 5620d02842fSSascha Wildner 5630d02842fSSascha Wildner case AML_ONE_OP: 5640d02842fSSascha Wildner 5650d02842fSSascha Wildner ObjDesc->Integer.Value = 1; 5660d02842fSSascha Wildner break; 5670d02842fSSascha Wildner 5680d02842fSSascha Wildner case AML_ONES_OP: 5690d02842fSSascha Wildner 5700d02842fSSascha Wildner ObjDesc->Integer.Value = ACPI_UINT64_MAX; 5710d02842fSSascha Wildner 5720d02842fSSascha Wildner /* Truncate value if we are executing from a 32-bit ACPI table */ 5730d02842fSSascha Wildner 5740d02842fSSascha Wildner #ifndef ACPI_NO_METHOD_EXECUTION 5750d02842fSSascha Wildner (void) AcpiExTruncateFor32bitTable (ObjDesc); 5760d02842fSSascha Wildner #endif 5770d02842fSSascha Wildner break; 5780d02842fSSascha Wildner 5790d02842fSSascha Wildner case AML_REVISION_OP: 5800d02842fSSascha Wildner 5810d02842fSSascha Wildner ObjDesc->Integer.Value = ACPI_CA_VERSION; 5820d02842fSSascha Wildner break; 5830d02842fSSascha Wildner 5840d02842fSSascha Wildner default: 5850d02842fSSascha Wildner 5860d02842fSSascha Wildner ACPI_ERROR ((AE_INFO, 5870d02842fSSascha Wildner "Unknown constant opcode 0x%X", Opcode)); 5880d02842fSSascha Wildner Status = AE_AML_OPERAND_TYPE; 5890d02842fSSascha Wildner break; 5900d02842fSSascha Wildner } 5910d02842fSSascha Wildner break; 5920d02842fSSascha Wildner 5930d02842fSSascha Wildner case AML_TYPE_LITERAL: 5940d02842fSSascha Wildner 5950d02842fSSascha Wildner ObjDesc->Integer.Value = Op->Common.Value.Integer; 5960d02842fSSascha Wildner 5970d02842fSSascha Wildner #ifndef ACPI_NO_METHOD_EXECUTION 5980d02842fSSascha Wildner if (AcpiExTruncateFor32bitTable (ObjDesc)) 5990d02842fSSascha Wildner { 6000d02842fSSascha Wildner /* Warn if we found a 64-bit constant in a 32-bit table */ 6010d02842fSSascha Wildner 6020d02842fSSascha Wildner ACPI_WARNING ((AE_INFO, 6030d02842fSSascha Wildner "Truncated 64-bit constant found in 32-bit table: %8.8X%8.8X => %8.8X", 6040d02842fSSascha Wildner ACPI_FORMAT_UINT64 (Op->Common.Value.Integer), 6050d02842fSSascha Wildner (UINT32) ObjDesc->Integer.Value)); 6060d02842fSSascha Wildner } 6070d02842fSSascha Wildner #endif 6080d02842fSSascha Wildner break; 6090d02842fSSascha Wildner 6100d02842fSSascha Wildner default: 6110d02842fSSascha Wildner 6120d02842fSSascha Wildner ACPI_ERROR ((AE_INFO, "Unknown Integer type 0x%X", 6130d02842fSSascha Wildner OpInfo->Type)); 6140d02842fSSascha Wildner Status = AE_AML_OPERAND_TYPE; 6150d02842fSSascha Wildner break; 6160d02842fSSascha Wildner } 6170d02842fSSascha Wildner break; 6180d02842fSSascha Wildner 6190d02842fSSascha Wildner case ACPI_TYPE_STRING: 6200d02842fSSascha Wildner 6210d02842fSSascha Wildner ObjDesc->String.Pointer = Op->Common.Value.String; 62225ca8c79SSascha Wildner ObjDesc->String.Length = (UINT32) strlen (Op->Common.Value.String); 6230d02842fSSascha Wildner 6240d02842fSSascha Wildner /* 6250d02842fSSascha Wildner * The string is contained in the ACPI table, don't ever try 6260d02842fSSascha Wildner * to delete it 6270d02842fSSascha Wildner */ 6280d02842fSSascha Wildner ObjDesc->Common.Flags |= AOPOBJ_STATIC_POINTER; 6290d02842fSSascha Wildner break; 6300d02842fSSascha Wildner 6310d02842fSSascha Wildner case ACPI_TYPE_METHOD: 6320d02842fSSascha Wildner break; 6330d02842fSSascha Wildner 6340d02842fSSascha Wildner case ACPI_TYPE_LOCAL_REFERENCE: 6350d02842fSSascha Wildner 6360d02842fSSascha Wildner switch (OpInfo->Type) 6370d02842fSSascha Wildner { 6380d02842fSSascha Wildner case AML_TYPE_LOCAL_VARIABLE: 6390d02842fSSascha Wildner 640d638c6eeSSascha Wildner /* Local ID (0-7) is (AML opcode - base AML_FIRST_LOCAL_OP) */ 6410d02842fSSascha Wildner 642d638c6eeSSascha Wildner ObjDesc->Reference.Value = ((UINT32) Opcode) - AML_FIRST_LOCAL_OP; 6430d02842fSSascha Wildner ObjDesc->Reference.Class = ACPI_REFCLASS_LOCAL; 6440d02842fSSascha Wildner 6450d02842fSSascha Wildner #ifndef ACPI_NO_METHOD_EXECUTION 6460d02842fSSascha Wildner Status = AcpiDsMethodDataGetNode (ACPI_REFCLASS_LOCAL, 6470d02842fSSascha Wildner ObjDesc->Reference.Value, WalkState, 6480d02842fSSascha Wildner ACPI_CAST_INDIRECT_PTR (ACPI_NAMESPACE_NODE, 6490d02842fSSascha Wildner &ObjDesc->Reference.Object)); 6500d02842fSSascha Wildner #endif 6510d02842fSSascha Wildner break; 6520d02842fSSascha Wildner 6530d02842fSSascha Wildner case AML_TYPE_METHOD_ARGUMENT: 6540d02842fSSascha Wildner 655d638c6eeSSascha Wildner /* Arg ID (0-6) is (AML opcode - base AML_FIRST_ARG_OP) */ 6560d02842fSSascha Wildner 657d638c6eeSSascha Wildner ObjDesc->Reference.Value = ((UINT32) Opcode) - AML_FIRST_ARG_OP; 6580d02842fSSascha Wildner ObjDesc->Reference.Class = ACPI_REFCLASS_ARG; 6590d02842fSSascha Wildner 6600d02842fSSascha Wildner #ifndef ACPI_NO_METHOD_EXECUTION 6610d02842fSSascha Wildner Status = AcpiDsMethodDataGetNode (ACPI_REFCLASS_ARG, 6620d02842fSSascha Wildner ObjDesc->Reference.Value, WalkState, 6630d02842fSSascha Wildner ACPI_CAST_INDIRECT_PTR (ACPI_NAMESPACE_NODE, 6640d02842fSSascha Wildner &ObjDesc->Reference.Object)); 6650d02842fSSascha Wildner #endif 6660d02842fSSascha Wildner break; 6670d02842fSSascha Wildner 6680d02842fSSascha Wildner default: /* Object name or Debug object */ 6690d02842fSSascha Wildner 6700d02842fSSascha Wildner switch (Op->Common.AmlOpcode) 6710d02842fSSascha Wildner { 6720d02842fSSascha Wildner case AML_INT_NAMEPATH_OP: 6730d02842fSSascha Wildner 6740d02842fSSascha Wildner /* Node was saved in Op */ 6750d02842fSSascha Wildner 6760d02842fSSascha Wildner ObjDesc->Reference.Node = Op->Common.Node; 6770d02842fSSascha Wildner ObjDesc->Reference.Class = ACPI_REFCLASS_NAME; 6783c639e0cSSascha Wildner if (Op->Common.Node) 6793c639e0cSSascha Wildner { 6803c639e0cSSascha Wildner ObjDesc->Reference.Object = Op->Common.Node->Object; 6813c639e0cSSascha Wildner } 6820d02842fSSascha Wildner break; 6830d02842fSSascha Wildner 6840d02842fSSascha Wildner case AML_DEBUG_OP: 6850d02842fSSascha Wildner 6860d02842fSSascha Wildner ObjDesc->Reference.Class = ACPI_REFCLASS_DEBUG; 6870d02842fSSascha Wildner break; 6880d02842fSSascha Wildner 6890d02842fSSascha Wildner default: 6900d02842fSSascha Wildner 6910d02842fSSascha Wildner ACPI_ERROR ((AE_INFO, 6920d02842fSSascha Wildner "Unimplemented reference type for AML opcode: 0x%4.4X", Opcode)); 6930d02842fSSascha Wildner return_ACPI_STATUS (AE_AML_OPERAND_TYPE); 6940d02842fSSascha Wildner } 6950d02842fSSascha Wildner break; 6960d02842fSSascha Wildner } 6970d02842fSSascha Wildner break; 6980d02842fSSascha Wildner 6990d02842fSSascha Wildner default: 7000d02842fSSascha Wildner 7010d02842fSSascha Wildner ACPI_ERROR ((AE_INFO, "Unimplemented data type: 0x%X", 7020d02842fSSascha Wildner ObjDesc->Common.Type)); 7030d02842fSSascha Wildner 7040d02842fSSascha Wildner Status = AE_AML_OPERAND_TYPE; 7050d02842fSSascha Wildner break; 7060d02842fSSascha Wildner } 7070d02842fSSascha Wildner 7080d02842fSSascha Wildner return_ACPI_STATUS (Status); 7090d02842fSSascha Wildner } 710