1a159c266SJung-uk Kim /****************************************************************************** 2a159c266SJung-uk Kim * 3a159c266SJung-uk Kim * Module Name: dsobject - Dispatcher object management routines 4a159c266SJung-uk Kim * 5a159c266SJung-uk Kim *****************************************************************************/ 6a159c266SJung-uk Kim 70d84335fSJung-uk Kim /****************************************************************************** 80d84335fSJung-uk Kim * 90d84335fSJung-uk Kim * 1. Copyright Notice 100d84335fSJung-uk Kim * 11*804fe266SJung-uk Kim * Some or all of this work - Copyright (c) 1999 - 2024, Intel Corp. 12a159c266SJung-uk Kim * All rights reserved. 13a159c266SJung-uk Kim * 140d84335fSJung-uk Kim * 2. License 150d84335fSJung-uk Kim * 160d84335fSJung-uk Kim * 2.1. This is your license from Intel Corp. under its intellectual property 170d84335fSJung-uk Kim * rights. You may have additional license terms from the party that provided 180d84335fSJung-uk Kim * you this software, covering your right to use that party's intellectual 190d84335fSJung-uk Kim * property rights. 200d84335fSJung-uk Kim * 210d84335fSJung-uk Kim * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 220d84335fSJung-uk Kim * copy of the source code appearing in this file ("Covered Code") an 230d84335fSJung-uk Kim * irrevocable, perpetual, worldwide license under Intel's copyrights in the 240d84335fSJung-uk Kim * base code distributed originally by Intel ("Original Intel Code") to copy, 250d84335fSJung-uk Kim * make derivatives, distribute, use and display any portion of the Covered 260d84335fSJung-uk Kim * Code in any form, with the right to sublicense such rights; and 270d84335fSJung-uk Kim * 280d84335fSJung-uk Kim * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 290d84335fSJung-uk Kim * license (with the right to sublicense), under only those claims of Intel 300d84335fSJung-uk Kim * patents that are infringed by the Original Intel Code, to make, use, sell, 310d84335fSJung-uk Kim * offer to sell, and import the Covered Code and derivative works thereof 320d84335fSJung-uk Kim * solely to the minimum extent necessary to exercise the above copyright 330d84335fSJung-uk Kim * license, and in no event shall the patent license extend to any additions 340d84335fSJung-uk Kim * to or modifications of the Original Intel Code. No other license or right 350d84335fSJung-uk Kim * is granted directly or by implication, estoppel or otherwise; 360d84335fSJung-uk Kim * 370d84335fSJung-uk Kim * The above copyright and patent license is granted only if the following 380d84335fSJung-uk Kim * conditions are met: 390d84335fSJung-uk Kim * 400d84335fSJung-uk Kim * 3. Conditions 410d84335fSJung-uk Kim * 420d84335fSJung-uk Kim * 3.1. Redistribution of Source with Rights to Further Distribute Source. 430d84335fSJung-uk Kim * Redistribution of source code of any substantial portion of the Covered 440d84335fSJung-uk Kim * Code or modification with rights to further distribute source must include 450d84335fSJung-uk Kim * the above Copyright Notice, the above License, this list of Conditions, 460d84335fSJung-uk Kim * and the following Disclaimer and Export Compliance provision. In addition, 470d84335fSJung-uk Kim * Licensee must cause all Covered Code to which Licensee contributes to 480d84335fSJung-uk Kim * contain a file documenting the changes Licensee made to create that Covered 490d84335fSJung-uk Kim * Code and the date of any change. Licensee must include in that file the 500d84335fSJung-uk Kim * documentation of any changes made by any predecessor Licensee. Licensee 510d84335fSJung-uk Kim * must include a prominent statement that the modification is derived, 520d84335fSJung-uk Kim * directly or indirectly, from Original Intel Code. 530d84335fSJung-uk Kim * 540d84335fSJung-uk Kim * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 550d84335fSJung-uk Kim * Redistribution of source code of any substantial portion of the Covered 560d84335fSJung-uk Kim * Code or modification without rights to further distribute source must 570d84335fSJung-uk Kim * include the following Disclaimer and Export Compliance provision in the 580d84335fSJung-uk Kim * documentation and/or other materials provided with distribution. In 590d84335fSJung-uk Kim * addition, Licensee may not authorize further sublicense of source of any 600d84335fSJung-uk Kim * portion of the Covered Code, and must include terms to the effect that the 610d84335fSJung-uk Kim * license from Licensee to its licensee is limited to the intellectual 620d84335fSJung-uk Kim * property embodied in the software Licensee provides to its licensee, and 630d84335fSJung-uk Kim * not to intellectual property embodied in modifications its licensee may 640d84335fSJung-uk Kim * make. 650d84335fSJung-uk Kim * 660d84335fSJung-uk Kim * 3.3. Redistribution of Executable. Redistribution in executable form of any 670d84335fSJung-uk Kim * substantial portion of the Covered Code or modification must reproduce the 680d84335fSJung-uk Kim * above Copyright Notice, and the following Disclaimer and Export Compliance 690d84335fSJung-uk Kim * provision in the documentation and/or other materials provided with the 700d84335fSJung-uk Kim * distribution. 710d84335fSJung-uk Kim * 720d84335fSJung-uk Kim * 3.4. Intel retains all right, title, and interest in and to the Original 730d84335fSJung-uk Kim * Intel Code. 740d84335fSJung-uk Kim * 750d84335fSJung-uk Kim * 3.5. Neither the name Intel nor any other trademark owned or controlled by 760d84335fSJung-uk Kim * Intel shall be used in advertising or otherwise to promote the sale, use or 770d84335fSJung-uk Kim * other dealings in products derived from or relating to the Covered Code 780d84335fSJung-uk Kim * without prior written authorization from Intel. 790d84335fSJung-uk Kim * 800d84335fSJung-uk Kim * 4. Disclaimer and Export Compliance 810d84335fSJung-uk Kim * 820d84335fSJung-uk Kim * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 830d84335fSJung-uk Kim * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 840d84335fSJung-uk Kim * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 850d84335fSJung-uk Kim * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 860d84335fSJung-uk Kim * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 870d84335fSJung-uk Kim * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 880d84335fSJung-uk Kim * PARTICULAR PURPOSE. 890d84335fSJung-uk Kim * 900d84335fSJung-uk Kim * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 910d84335fSJung-uk Kim * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 920d84335fSJung-uk Kim * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 930d84335fSJung-uk Kim * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 940d84335fSJung-uk Kim * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 950d84335fSJung-uk Kim * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 960d84335fSJung-uk Kim * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 970d84335fSJung-uk Kim * LIMITED REMEDY. 980d84335fSJung-uk Kim * 990d84335fSJung-uk Kim * 4.3. Licensee shall not export, either directly or indirectly, any of this 1000d84335fSJung-uk Kim * software or system incorporating such software without first obtaining any 1010d84335fSJung-uk Kim * required license or other approval from the U. S. Department of Commerce or 1020d84335fSJung-uk Kim * any other agency or department of the United States Government. In the 1030d84335fSJung-uk Kim * event Licensee exports any such software from the United States or 1040d84335fSJung-uk Kim * re-exports any such software from a foreign destination, Licensee shall 1050d84335fSJung-uk Kim * ensure that the distribution and export/re-export of the software is in 1060d84335fSJung-uk Kim * compliance with all laws, regulations, orders, or other restrictions of the 1070d84335fSJung-uk Kim * U.S. Export Administration Regulations. Licensee agrees that neither it nor 1080d84335fSJung-uk Kim * any of its subsidiaries will export/re-export any technical data, process, 1090d84335fSJung-uk Kim * software, or service, directly or indirectly, to any country for which the 1100d84335fSJung-uk Kim * United States government or any agency thereof requires an export license, 1110d84335fSJung-uk Kim * other governmental approval, or letter of assurance, without first obtaining 1120d84335fSJung-uk Kim * such license, approval or letter. 1130d84335fSJung-uk Kim * 1140d84335fSJung-uk Kim ***************************************************************************** 1150d84335fSJung-uk Kim * 1160d84335fSJung-uk Kim * Alternatively, you may choose to be licensed under the terms of the 1170d84335fSJung-uk Kim * following license: 1180d84335fSJung-uk Kim * 119a159c266SJung-uk Kim * Redistribution and use in source and binary forms, with or without 120a159c266SJung-uk Kim * modification, are permitted provided that the following conditions 121a159c266SJung-uk Kim * are met: 122a159c266SJung-uk Kim * 1. Redistributions of source code must retain the above copyright 123a159c266SJung-uk Kim * notice, this list of conditions, and the following disclaimer, 124a159c266SJung-uk Kim * without modification. 125a159c266SJung-uk Kim * 2. Redistributions in binary form must reproduce at minimum a disclaimer 126a159c266SJung-uk Kim * substantially similar to the "NO WARRANTY" disclaimer below 127a159c266SJung-uk Kim * ("Disclaimer") and any redistribution must be conditioned upon 128a159c266SJung-uk Kim * including a substantially similar Disclaimer requirement for further 129a159c266SJung-uk Kim * binary redistribution. 130a159c266SJung-uk Kim * 3. Neither the names of the above-listed copyright holders nor the names 131a159c266SJung-uk Kim * of any contributors may be used to endorse or promote products derived 132a159c266SJung-uk Kim * from this software without specific prior written permission. 133a159c266SJung-uk Kim * 1340d84335fSJung-uk Kim * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1350d84335fSJung-uk Kim * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1360d84335fSJung-uk Kim * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1370d84335fSJung-uk Kim * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 1380d84335fSJung-uk Kim * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 1390d84335fSJung-uk Kim * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 1400d84335fSJung-uk Kim * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 1410d84335fSJung-uk Kim * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 1420d84335fSJung-uk Kim * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 1430d84335fSJung-uk Kim * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 1440d84335fSJung-uk Kim * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 1450d84335fSJung-uk Kim * 1460d84335fSJung-uk Kim * Alternatively, you may choose to be licensed under the terms of the 147a159c266SJung-uk Kim * GNU General Public License ("GPL") version 2 as published by the Free 148a159c266SJung-uk Kim * Software Foundation. 149a159c266SJung-uk Kim * 1500d84335fSJung-uk Kim *****************************************************************************/ 151a159c266SJung-uk Kim 152a159c266SJung-uk Kim #include <contrib/dev/acpica/include/acpi.h> 153a159c266SJung-uk Kim #include <contrib/dev/acpica/include/accommon.h> 154a159c266SJung-uk Kim #include <contrib/dev/acpica/include/acparser.h> 155a159c266SJung-uk Kim #include <contrib/dev/acpica/include/amlcode.h> 156a159c266SJung-uk Kim #include <contrib/dev/acpica/include/acdispat.h> 157a159c266SJung-uk Kim #include <contrib/dev/acpica/include/acnamesp.h> 158a159c266SJung-uk Kim #include <contrib/dev/acpica/include/acinterp.h> 159a159c266SJung-uk Kim 160a159c266SJung-uk Kim #define _COMPONENT ACPI_DISPATCHER 161a159c266SJung-uk Kim ACPI_MODULE_NAME ("dsobject") 162a159c266SJung-uk Kim 163a159c266SJung-uk Kim 164a159c266SJung-uk Kim /******************************************************************************* 165a159c266SJung-uk Kim * 166a159c266SJung-uk Kim * FUNCTION: AcpiDsBuildInternalObject 167a159c266SJung-uk Kim * 168a159c266SJung-uk Kim * PARAMETERS: WalkState - Current walk state 169a159c266SJung-uk Kim * Op - Parser object to be translated 170a159c266SJung-uk Kim * ObjDescPtr - Where the ACPI internal object is returned 171a159c266SJung-uk Kim * 172a159c266SJung-uk Kim * RETURN: Status 173a159c266SJung-uk Kim * 174a159c266SJung-uk Kim * DESCRIPTION: Translate a parser Op object to the equivalent namespace object 175a159c266SJung-uk Kim * Simple objects are any objects other than a package object! 176a159c266SJung-uk Kim * 177a159c266SJung-uk Kim ******************************************************************************/ 178a159c266SJung-uk Kim 1795f9b24faSJung-uk Kim ACPI_STATUS 180a159c266SJung-uk Kim AcpiDsBuildInternalObject ( 181a159c266SJung-uk Kim ACPI_WALK_STATE *WalkState, 182a159c266SJung-uk Kim ACPI_PARSE_OBJECT *Op, 183a159c266SJung-uk Kim ACPI_OPERAND_OBJECT **ObjDescPtr) 184a159c266SJung-uk Kim { 185a159c266SJung-uk Kim ACPI_OPERAND_OBJECT *ObjDesc; 186a159c266SJung-uk Kim ACPI_STATUS Status; 187a159c266SJung-uk Kim 188a159c266SJung-uk Kim 189a159c266SJung-uk Kim ACPI_FUNCTION_TRACE (DsBuildInternalObject); 190a159c266SJung-uk Kim 191a159c266SJung-uk Kim 192a159c266SJung-uk Kim *ObjDescPtr = NULL; 193a159c266SJung-uk Kim if (Op->Common.AmlOpcode == AML_INT_NAMEPATH_OP) 194a159c266SJung-uk Kim { 195a159c266SJung-uk Kim /* 196a159c266SJung-uk Kim * This is a named object reference. If this name was 1975f9b24faSJung-uk Kim * previously looked up in the namespace, it was stored in 1985f9b24faSJung-uk Kim * this op. Otherwise, go ahead and look it up now 199a159c266SJung-uk Kim */ 200a159c266SJung-uk Kim if (!Op->Common.Node) 201a159c266SJung-uk Kim { 202a159c266SJung-uk Kim /* Check if we are resolving a named reference within a package */ 203a159c266SJung-uk Kim 204a159c266SJung-uk Kim if ((Op->Common.Parent->Common.AmlOpcode == AML_PACKAGE_OP) || 2050d84335fSJung-uk Kim (Op->Common.Parent->Common.AmlOpcode == AML_VARIABLE_PACKAGE_OP)) 206a159c266SJung-uk Kim { 207a159c266SJung-uk Kim /* 2085f9b24faSJung-uk Kim * We won't resolve package elements here, we will do this 2095f9b24faSJung-uk Kim * after all ACPI tables are loaded into the namespace. This 2105f9b24faSJung-uk Kim * behavior supports both forward references to named objects 2115f9b24faSJung-uk Kim * and external references to objects in other tables. 212a159c266SJung-uk Kim */ 2135f9b24faSJung-uk Kim goto CreateNewObject; 2145f9b24faSJung-uk Kim } 2155f9b24faSJung-uk Kim else 2165f9b24faSJung-uk Kim { 2175f9b24faSJung-uk Kim Status = AcpiNsLookup (WalkState->ScopeInfo, 2185f9b24faSJung-uk Kim Op->Common.Value.String, 2195f9b24faSJung-uk Kim ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE, 2205f9b24faSJung-uk Kim ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, NULL, 2215f9b24faSJung-uk Kim ACPI_CAST_INDIRECT_PTR ( 2225f9b24faSJung-uk Kim ACPI_NAMESPACE_NODE, &(Op->Common.Node))); 223a159c266SJung-uk Kim if (ACPI_FAILURE (Status)) 224a159c266SJung-uk Kim { 225b7b7e711SJung-uk Kim ACPI_ERROR_NAMESPACE (WalkState->ScopeInfo, 226b7b7e711SJung-uk Kim Op->Common.Value.String, Status); 227a159c266SJung-uk Kim return_ACPI_STATUS (Status); 228a159c266SJung-uk Kim } 229a159c266SJung-uk Kim } 230a159c266SJung-uk Kim } 231a159c266SJung-uk Kim } 232a159c266SJung-uk Kim 2335f9b24faSJung-uk Kim CreateNewObject: 2345f9b24faSJung-uk Kim 235a159c266SJung-uk Kim /* Create and init a new internal ACPI object */ 236a159c266SJung-uk Kim 237a159c266SJung-uk Kim ObjDesc = AcpiUtCreateInternalObject ( 238a159c266SJung-uk Kim (AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode))->ObjectType); 239a159c266SJung-uk Kim if (!ObjDesc) 240a159c266SJung-uk Kim { 241a159c266SJung-uk Kim return_ACPI_STATUS (AE_NO_MEMORY); 242a159c266SJung-uk Kim } 243a159c266SJung-uk Kim 244f8146b88SJung-uk Kim Status = AcpiDsInitObjectFromOp ( 245f8146b88SJung-uk Kim WalkState, Op, Op->Common.AmlOpcode, &ObjDesc); 246a159c266SJung-uk Kim if (ACPI_FAILURE (Status)) 247a159c266SJung-uk Kim { 248a159c266SJung-uk Kim AcpiUtRemoveReference (ObjDesc); 249a159c266SJung-uk Kim return_ACPI_STATUS (Status); 250a159c266SJung-uk Kim } 251a159c266SJung-uk Kim 2525f9b24faSJung-uk Kim /* 2535f9b24faSJung-uk Kim * Handling for unresolved package reference elements. 2545f9b24faSJung-uk Kim * These are elements that are namepaths. 2555f9b24faSJung-uk Kim */ 2565f9b24faSJung-uk Kim if ((Op->Common.Parent->Common.AmlOpcode == AML_PACKAGE_OP) || 2575f9b24faSJung-uk Kim (Op->Common.Parent->Common.AmlOpcode == AML_VARIABLE_PACKAGE_OP)) 2585f9b24faSJung-uk Kim { 2595f9b24faSJung-uk Kim ObjDesc->Reference.Resolved = TRUE; 2605f9b24faSJung-uk Kim 2615f9b24faSJung-uk Kim if ((Op->Common.AmlOpcode == AML_INT_NAMEPATH_OP) && 2625f9b24faSJung-uk Kim !ObjDesc->Reference.Node) 2635f9b24faSJung-uk Kim { 2645f9b24faSJung-uk Kim /* 2655f9b24faSJung-uk Kim * Name was unresolved above. 2665f9b24faSJung-uk Kim * Get the prefix node for later lookup 2675f9b24faSJung-uk Kim */ 2685f9b24faSJung-uk Kim ObjDesc->Reference.Node = WalkState->ScopeInfo->Scope.Node; 2695f9b24faSJung-uk Kim ObjDesc->Reference.Aml = Op->Common.Aml; 2705f9b24faSJung-uk Kim ObjDesc->Reference.Resolved = FALSE; 2715f9b24faSJung-uk Kim } 2725f9b24faSJung-uk Kim } 2735f9b24faSJung-uk Kim 274a159c266SJung-uk Kim *ObjDescPtr = ObjDesc; 275a159c266SJung-uk Kim return_ACPI_STATUS (Status); 276a159c266SJung-uk Kim } 277a159c266SJung-uk Kim 278a159c266SJung-uk Kim 279a159c266SJung-uk Kim /******************************************************************************* 280a159c266SJung-uk Kim * 281a159c266SJung-uk Kim * FUNCTION: AcpiDsBuildInternalBufferObj 282a159c266SJung-uk Kim * 283a159c266SJung-uk Kim * PARAMETERS: WalkState - Current walk state 284a159c266SJung-uk Kim * Op - Parser object to be translated 285a159c266SJung-uk Kim * BufferLength - Length of the buffer 286a159c266SJung-uk Kim * ObjDescPtr - Where the ACPI internal object is returned 287a159c266SJung-uk Kim * 288a159c266SJung-uk Kim * RETURN: Status 289a159c266SJung-uk Kim * 290a159c266SJung-uk Kim * DESCRIPTION: Translate a parser Op package object to the equivalent 291a159c266SJung-uk Kim * namespace object 292a159c266SJung-uk Kim * 293a159c266SJung-uk Kim ******************************************************************************/ 294a159c266SJung-uk Kim 295a159c266SJung-uk Kim ACPI_STATUS 296a159c266SJung-uk Kim AcpiDsBuildInternalBufferObj ( 297a159c266SJung-uk Kim ACPI_WALK_STATE *WalkState, 298a159c266SJung-uk Kim ACPI_PARSE_OBJECT *Op, 299a159c266SJung-uk Kim UINT32 BufferLength, 300a159c266SJung-uk Kim ACPI_OPERAND_OBJECT **ObjDescPtr) 301a159c266SJung-uk Kim { 302a159c266SJung-uk Kim ACPI_PARSE_OBJECT *Arg; 303a159c266SJung-uk Kim ACPI_OPERAND_OBJECT *ObjDesc; 304a159c266SJung-uk Kim ACPI_PARSE_OBJECT *ByteList; 305a159c266SJung-uk Kim UINT32 ByteListLength = 0; 306a159c266SJung-uk Kim 307a159c266SJung-uk Kim 308a159c266SJung-uk Kim ACPI_FUNCTION_TRACE (DsBuildInternalBufferObj); 309a159c266SJung-uk Kim 310a159c266SJung-uk Kim 311a159c266SJung-uk Kim /* 312a159c266SJung-uk Kim * If we are evaluating a Named buffer object "Name (xxxx, Buffer)". 313a159c266SJung-uk Kim * The buffer object already exists (from the NS node), otherwise it must 314a159c266SJung-uk Kim * be created. 315a159c266SJung-uk Kim */ 316a159c266SJung-uk Kim ObjDesc = *ObjDescPtr; 317a159c266SJung-uk Kim if (!ObjDesc) 318a159c266SJung-uk Kim { 319a159c266SJung-uk Kim /* Create a new buffer object */ 320a159c266SJung-uk Kim 321a159c266SJung-uk Kim ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_BUFFER); 322a159c266SJung-uk Kim *ObjDescPtr = ObjDesc; 323a159c266SJung-uk Kim if (!ObjDesc) 324a159c266SJung-uk Kim { 325a159c266SJung-uk Kim return_ACPI_STATUS (AE_NO_MEMORY); 326a159c266SJung-uk Kim } 327a159c266SJung-uk Kim } 328a159c266SJung-uk Kim 329a159c266SJung-uk Kim /* 330a159c266SJung-uk Kim * Second arg is the buffer data (optional) ByteList can be either 331a159c266SJung-uk Kim * individual bytes or a string initializer. In either case, a 332a159c266SJung-uk Kim * ByteList appears in the AML. 333a159c266SJung-uk Kim */ 334a159c266SJung-uk Kim Arg = Op->Common.Value.Arg; /* skip first arg */ 335a159c266SJung-uk Kim 336a159c266SJung-uk Kim ByteList = Arg->Named.Next; 337a159c266SJung-uk Kim if (ByteList) 338a159c266SJung-uk Kim { 339a159c266SJung-uk Kim if (ByteList->Common.AmlOpcode != AML_INT_BYTELIST_OP) 340a159c266SJung-uk Kim { 341a159c266SJung-uk Kim ACPI_ERROR ((AE_INFO, 342a159c266SJung-uk Kim "Expecting bytelist, found AML opcode 0x%X in op %p", 343a159c266SJung-uk Kim ByteList->Common.AmlOpcode, ByteList)); 344a159c266SJung-uk Kim 345a159c266SJung-uk Kim AcpiUtRemoveReference (ObjDesc); 346a159c266SJung-uk Kim return (AE_TYPE); 347a159c266SJung-uk Kim } 348a159c266SJung-uk Kim 349a159c266SJung-uk Kim ByteListLength = (UINT32) ByteList->Common.Value.Integer; 350a159c266SJung-uk Kim } 351a159c266SJung-uk Kim 352a159c266SJung-uk Kim /* 353a159c266SJung-uk Kim * The buffer length (number of bytes) will be the larger of: 354a159c266SJung-uk Kim * 1) The specified buffer length and 355a159c266SJung-uk Kim * 2) The length of the initializer byte list 356a159c266SJung-uk Kim */ 357a159c266SJung-uk Kim ObjDesc->Buffer.Length = BufferLength; 358a159c266SJung-uk Kim if (ByteListLength > BufferLength) 359a159c266SJung-uk Kim { 360a159c266SJung-uk Kim ObjDesc->Buffer.Length = ByteListLength; 361a159c266SJung-uk Kim } 362a159c266SJung-uk Kim 363a159c266SJung-uk Kim /* Allocate the buffer */ 364a159c266SJung-uk Kim 365a159c266SJung-uk Kim if (ObjDesc->Buffer.Length == 0) 366a159c266SJung-uk Kim { 367a159c266SJung-uk Kim ObjDesc->Buffer.Pointer = NULL; 368a159c266SJung-uk Kim ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, 369a159c266SJung-uk Kim "Buffer defined with zero length in AML, creating\n")); 370a159c266SJung-uk Kim } 371a159c266SJung-uk Kim else 372a159c266SJung-uk Kim { 373f8146b88SJung-uk Kim ObjDesc->Buffer.Pointer = 374f8146b88SJung-uk Kim ACPI_ALLOCATE_ZEROED (ObjDesc->Buffer.Length); 375a159c266SJung-uk Kim if (!ObjDesc->Buffer.Pointer) 376a159c266SJung-uk Kim { 377a159c266SJung-uk Kim AcpiUtDeleteObjectDesc (ObjDesc); 378a159c266SJung-uk Kim return_ACPI_STATUS (AE_NO_MEMORY); 379a159c266SJung-uk Kim } 380a159c266SJung-uk Kim 381a159c266SJung-uk Kim /* Initialize buffer from the ByteList (if present) */ 382a159c266SJung-uk Kim 383a159c266SJung-uk Kim if (ByteList) 384a159c266SJung-uk Kim { 3855ef50723SJung-uk Kim memcpy (ObjDesc->Buffer.Pointer, ByteList->Named.Data, 386a159c266SJung-uk Kim ByteListLength); 387a159c266SJung-uk Kim } 388a159c266SJung-uk Kim } 389a159c266SJung-uk Kim 390a159c266SJung-uk Kim ObjDesc->Buffer.Flags |= AOPOBJ_DATA_VALID; 391a159c266SJung-uk Kim Op->Common.Node = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, ObjDesc); 392a159c266SJung-uk Kim return_ACPI_STATUS (AE_OK); 393a159c266SJung-uk Kim } 394a159c266SJung-uk Kim 395a159c266SJung-uk Kim /******************************************************************************* 396a159c266SJung-uk Kim * 397a159c266SJung-uk Kim * FUNCTION: AcpiDsCreateNode 398a159c266SJung-uk Kim * 399a159c266SJung-uk Kim * PARAMETERS: WalkState - Current walk state 400a159c266SJung-uk Kim * Node - NS Node to be initialized 401a159c266SJung-uk Kim * Op - Parser object to be translated 402a159c266SJung-uk Kim * 403a159c266SJung-uk Kim * RETURN: Status 404a159c266SJung-uk Kim * 405a159c266SJung-uk Kim * DESCRIPTION: Create the object to be associated with a namespace node 406a159c266SJung-uk Kim * 407a159c266SJung-uk Kim ******************************************************************************/ 408a159c266SJung-uk Kim 409a159c266SJung-uk Kim ACPI_STATUS 410a159c266SJung-uk Kim AcpiDsCreateNode ( 411a159c266SJung-uk Kim ACPI_WALK_STATE *WalkState, 412a159c266SJung-uk Kim ACPI_NAMESPACE_NODE *Node, 413a159c266SJung-uk Kim ACPI_PARSE_OBJECT *Op) 414a159c266SJung-uk Kim { 415a159c266SJung-uk Kim ACPI_STATUS Status; 416a159c266SJung-uk Kim ACPI_OPERAND_OBJECT *ObjDesc; 417a159c266SJung-uk Kim 418a159c266SJung-uk Kim 419a159c266SJung-uk Kim ACPI_FUNCTION_TRACE_PTR (DsCreateNode, Op); 420a159c266SJung-uk Kim 421a159c266SJung-uk Kim 422a159c266SJung-uk Kim /* 423a159c266SJung-uk Kim * Because of the execution pass through the non-control-method 424a159c266SJung-uk Kim * parts of the table, we can arrive here twice. Only init 425a159c266SJung-uk Kim * the named object node the first time through 426a159c266SJung-uk Kim */ 427a159c266SJung-uk Kim if (AcpiNsGetAttachedObject (Node)) 428a159c266SJung-uk Kim { 429a159c266SJung-uk Kim return_ACPI_STATUS (AE_OK); 430a159c266SJung-uk Kim } 431a159c266SJung-uk Kim 432a159c266SJung-uk Kim if (!Op->Common.Value.Arg) 433a159c266SJung-uk Kim { 434a159c266SJung-uk Kim /* No arguments, there is nothing to do */ 435a159c266SJung-uk Kim 436a159c266SJung-uk Kim return_ACPI_STATUS (AE_OK); 437a159c266SJung-uk Kim } 438a159c266SJung-uk Kim 439a159c266SJung-uk Kim /* Build an internal object for the argument(s) */ 440a159c266SJung-uk Kim 441f8146b88SJung-uk Kim Status = AcpiDsBuildInternalObject ( 442f8146b88SJung-uk Kim WalkState, Op->Common.Value.Arg, &ObjDesc); 443a159c266SJung-uk Kim if (ACPI_FAILURE (Status)) 444a159c266SJung-uk Kim { 445a159c266SJung-uk Kim return_ACPI_STATUS (Status); 446a159c266SJung-uk Kim } 447a159c266SJung-uk Kim 448a159c266SJung-uk Kim /* Re-type the object according to its argument */ 449a159c266SJung-uk Kim 450a159c266SJung-uk Kim Node->Type = ObjDesc->Common.Type; 451a159c266SJung-uk Kim 452a159c266SJung-uk Kim /* Attach obj to node */ 453a159c266SJung-uk Kim 454a159c266SJung-uk Kim Status = AcpiNsAttachObject (Node, ObjDesc, Node->Type); 455a159c266SJung-uk Kim 456a159c266SJung-uk Kim /* Remove local reference to the object */ 457a159c266SJung-uk Kim 458a159c266SJung-uk Kim AcpiUtRemoveReference (ObjDesc); 459a159c266SJung-uk Kim return_ACPI_STATUS (Status); 460a159c266SJung-uk Kim } 461a159c266SJung-uk Kim 462a159c266SJung-uk Kim 463a159c266SJung-uk Kim /******************************************************************************* 464a159c266SJung-uk Kim * 465a159c266SJung-uk Kim * FUNCTION: AcpiDsInitObjectFromOp 466a159c266SJung-uk Kim * 467a159c266SJung-uk Kim * PARAMETERS: WalkState - Current walk state 468a159c266SJung-uk Kim * Op - Parser op used to init the internal object 469a159c266SJung-uk Kim * Opcode - AML opcode associated with the object 470a159c266SJung-uk Kim * RetObjDesc - Namespace object to be initialized 471a159c266SJung-uk Kim * 472a159c266SJung-uk Kim * RETURN: Status 473a159c266SJung-uk Kim * 474a159c266SJung-uk Kim * DESCRIPTION: Initialize a namespace object from a parser Op and its 475a159c266SJung-uk Kim * associated arguments. The namespace object is a more compact 476a159c266SJung-uk Kim * representation of the Op and its arguments. 477a159c266SJung-uk Kim * 478a159c266SJung-uk Kim ******************************************************************************/ 479a159c266SJung-uk Kim 480a159c266SJung-uk Kim ACPI_STATUS 481a159c266SJung-uk Kim AcpiDsInitObjectFromOp ( 482a159c266SJung-uk Kim ACPI_WALK_STATE *WalkState, 483a159c266SJung-uk Kim ACPI_PARSE_OBJECT *Op, 484a159c266SJung-uk Kim UINT16 Opcode, 485a159c266SJung-uk Kim ACPI_OPERAND_OBJECT **RetObjDesc) 486a159c266SJung-uk Kim { 487a159c266SJung-uk Kim const ACPI_OPCODE_INFO *OpInfo; 488a159c266SJung-uk Kim ACPI_OPERAND_OBJECT *ObjDesc; 489a159c266SJung-uk Kim ACPI_STATUS Status = AE_OK; 490a159c266SJung-uk Kim 491a159c266SJung-uk Kim 492a159c266SJung-uk Kim ACPI_FUNCTION_TRACE (DsInitObjectFromOp); 493a159c266SJung-uk Kim 494a159c266SJung-uk Kim 495a159c266SJung-uk Kim ObjDesc = *RetObjDesc; 496a159c266SJung-uk Kim OpInfo = AcpiPsGetOpcodeInfo (Opcode); 497a159c266SJung-uk Kim if (OpInfo->Class == AML_CLASS_UNKNOWN) 498a159c266SJung-uk Kim { 499a159c266SJung-uk Kim /* Unknown opcode */ 500a159c266SJung-uk Kim 501a159c266SJung-uk Kim return_ACPI_STATUS (AE_TYPE); 502a159c266SJung-uk Kim } 503a159c266SJung-uk Kim 504a159c266SJung-uk Kim /* Perform per-object initialization */ 505a159c266SJung-uk Kim 506a159c266SJung-uk Kim switch (ObjDesc->Common.Type) 507a159c266SJung-uk Kim { 508a159c266SJung-uk Kim case ACPI_TYPE_BUFFER: 509a159c266SJung-uk Kim /* 510a159c266SJung-uk Kim * Defer evaluation of Buffer TermArg operand 511a159c266SJung-uk Kim */ 512f8146b88SJung-uk Kim ObjDesc->Buffer.Node = ACPI_CAST_PTR ( 513f8146b88SJung-uk Kim ACPI_NAMESPACE_NODE, WalkState->Operands[0]); 514a159c266SJung-uk Kim ObjDesc->Buffer.AmlStart = Op->Named.Data; 515a159c266SJung-uk Kim ObjDesc->Buffer.AmlLength = Op->Named.Length; 516a159c266SJung-uk Kim break; 517a159c266SJung-uk Kim 518a159c266SJung-uk Kim case ACPI_TYPE_PACKAGE: 519a159c266SJung-uk Kim /* 5205f9b24faSJung-uk Kim * Defer evaluation of Package TermArg operand and all 5215f9b24faSJung-uk Kim * package elements. (01/2017): We defer the element 5225f9b24faSJung-uk Kim * resolution to allow forward references from the package 5235f9b24faSJung-uk Kim * in order to provide compatibility with other ACPI 5245f9b24faSJung-uk Kim * implementations. 525a159c266SJung-uk Kim */ 526f8146b88SJung-uk Kim ObjDesc->Package.Node = ACPI_CAST_PTR ( 527f8146b88SJung-uk Kim ACPI_NAMESPACE_NODE, WalkState->Operands[0]); 5285f9b24faSJung-uk Kim 5295f9b24faSJung-uk Kim if (!Op->Named.Data) 5305f9b24faSJung-uk Kim { 5315f9b24faSJung-uk Kim return_ACPI_STATUS (AE_OK); 5325f9b24faSJung-uk Kim } 5335f9b24faSJung-uk Kim 534a159c266SJung-uk Kim ObjDesc->Package.AmlStart = Op->Named.Data; 535a159c266SJung-uk Kim ObjDesc->Package.AmlLength = Op->Named.Length; 536a159c266SJung-uk Kim break; 537a159c266SJung-uk Kim 538a159c266SJung-uk Kim case ACPI_TYPE_INTEGER: 539a159c266SJung-uk Kim 540a159c266SJung-uk Kim switch (OpInfo->Type) 541a159c266SJung-uk Kim { 542a159c266SJung-uk Kim case AML_TYPE_CONSTANT: 543a159c266SJung-uk Kim /* 544a159c266SJung-uk Kim * Resolve AML Constants here - AND ONLY HERE! 545a159c266SJung-uk Kim * All constants are integers. 546a159c266SJung-uk Kim * We mark the integer with a flag that indicates that it started 547a159c266SJung-uk Kim * life as a constant -- so that stores to constants will perform 548a159c266SJung-uk Kim * as expected (noop). ZeroOp is used as a placeholder for optional 549a159c266SJung-uk Kim * target operands. 550a159c266SJung-uk Kim */ 551a159c266SJung-uk Kim ObjDesc->Common.Flags = AOPOBJ_AML_CONSTANT; 552a159c266SJung-uk Kim 553a159c266SJung-uk Kim switch (Opcode) 554a159c266SJung-uk Kim { 555a159c266SJung-uk Kim case AML_ZERO_OP: 556a159c266SJung-uk Kim 557a159c266SJung-uk Kim ObjDesc->Integer.Value = 0; 558a159c266SJung-uk Kim break; 559a159c266SJung-uk Kim 560a159c266SJung-uk Kim case AML_ONE_OP: 561a159c266SJung-uk Kim 562a159c266SJung-uk Kim ObjDesc->Integer.Value = 1; 563a159c266SJung-uk Kim break; 564a159c266SJung-uk Kim 565a159c266SJung-uk Kim case AML_ONES_OP: 566a159c266SJung-uk Kim 567a159c266SJung-uk Kim ObjDesc->Integer.Value = ACPI_UINT64_MAX; 568a159c266SJung-uk Kim 569a159c266SJung-uk Kim /* Truncate value if we are executing from a 32-bit ACPI table */ 570a159c266SJung-uk Kim 571efcc2a30SJung-uk Kim (void) AcpiExTruncateFor32bitTable (ObjDesc); 572a159c266SJung-uk Kim break; 573a159c266SJung-uk Kim 574a159c266SJung-uk Kim case AML_REVISION_OP: 575a159c266SJung-uk Kim 576a159c266SJung-uk Kim ObjDesc->Integer.Value = ACPI_CA_VERSION; 577a159c266SJung-uk Kim break; 578a159c266SJung-uk Kim 579a159c266SJung-uk Kim default: 580a159c266SJung-uk Kim 581a159c266SJung-uk Kim ACPI_ERROR ((AE_INFO, 582a159c266SJung-uk Kim "Unknown constant opcode 0x%X", Opcode)); 583a159c266SJung-uk Kim Status = AE_AML_OPERAND_TYPE; 584a159c266SJung-uk Kim break; 585a159c266SJung-uk Kim } 586a159c266SJung-uk Kim break; 587a159c266SJung-uk Kim 588a159c266SJung-uk Kim case AML_TYPE_LITERAL: 589a159c266SJung-uk Kim 590a159c266SJung-uk Kim ObjDesc->Integer.Value = Op->Common.Value.Integer; 591efcc2a30SJung-uk Kim 592efcc2a30SJung-uk Kim if (AcpiExTruncateFor32bitTable (ObjDesc)) 593efcc2a30SJung-uk Kim { 594efcc2a30SJung-uk Kim /* Warn if we found a 64-bit constant in a 32-bit table */ 595efcc2a30SJung-uk Kim 596efcc2a30SJung-uk Kim ACPI_WARNING ((AE_INFO, 597efcc2a30SJung-uk Kim "Truncated 64-bit constant found in 32-bit table: %8.8X%8.8X => %8.8X", 598efcc2a30SJung-uk Kim ACPI_FORMAT_UINT64 (Op->Common.Value.Integer), 599efcc2a30SJung-uk Kim (UINT32) ObjDesc->Integer.Value)); 600efcc2a30SJung-uk Kim } 601a159c266SJung-uk Kim break; 602a159c266SJung-uk Kim 603a159c266SJung-uk Kim default: 604a9d8d09cSJung-uk Kim 605a159c266SJung-uk Kim ACPI_ERROR ((AE_INFO, "Unknown Integer type 0x%X", 606a159c266SJung-uk Kim OpInfo->Type)); 607a159c266SJung-uk Kim Status = AE_AML_OPERAND_TYPE; 608a159c266SJung-uk Kim break; 609a159c266SJung-uk Kim } 610a159c266SJung-uk Kim break; 611a159c266SJung-uk Kim 612a159c266SJung-uk Kim case ACPI_TYPE_STRING: 613a159c266SJung-uk Kim 614a159c266SJung-uk Kim ObjDesc->String.Pointer = Op->Common.Value.String; 6155ef50723SJung-uk Kim ObjDesc->String.Length = (UINT32) strlen (Op->Common.Value.String); 616a159c266SJung-uk Kim 617a159c266SJung-uk Kim /* 618a159c266SJung-uk Kim * The string is contained in the ACPI table, don't ever try 619a159c266SJung-uk Kim * to delete it 620a159c266SJung-uk Kim */ 621a159c266SJung-uk Kim ObjDesc->Common.Flags |= AOPOBJ_STATIC_POINTER; 622a159c266SJung-uk Kim break; 623a159c266SJung-uk Kim 624a159c266SJung-uk Kim case ACPI_TYPE_METHOD: 625a159c266SJung-uk Kim break; 626a159c266SJung-uk Kim 627a159c266SJung-uk Kim case ACPI_TYPE_LOCAL_REFERENCE: 628a159c266SJung-uk Kim 629a159c266SJung-uk Kim switch (OpInfo->Type) 630a159c266SJung-uk Kim { 631a159c266SJung-uk Kim case AML_TYPE_LOCAL_VARIABLE: 632a159c266SJung-uk Kim 6330d84335fSJung-uk Kim /* Local ID (0-7) is (AML opcode - base AML_FIRST_LOCAL_OP) */ 634a159c266SJung-uk Kim 6350d84335fSJung-uk Kim ObjDesc->Reference.Value = ((UINT32) Opcode) - AML_FIRST_LOCAL_OP; 636a159c266SJung-uk Kim ObjDesc->Reference.Class = ACPI_REFCLASS_LOCAL; 637a159c266SJung-uk Kim 638a159c266SJung-uk Kim Status = AcpiDsMethodDataGetNode (ACPI_REFCLASS_LOCAL, 639a159c266SJung-uk Kim ObjDesc->Reference.Value, WalkState, 640a159c266SJung-uk Kim ACPI_CAST_INDIRECT_PTR (ACPI_NAMESPACE_NODE, 641a159c266SJung-uk Kim &ObjDesc->Reference.Object)); 642a159c266SJung-uk Kim break; 643a159c266SJung-uk Kim 644a159c266SJung-uk Kim case AML_TYPE_METHOD_ARGUMENT: 645a159c266SJung-uk Kim 6460d84335fSJung-uk Kim /* Arg ID (0-6) is (AML opcode - base AML_FIRST_ARG_OP) */ 647a159c266SJung-uk Kim 6480d84335fSJung-uk Kim ObjDesc->Reference.Value = ((UINT32) Opcode) - AML_FIRST_ARG_OP; 649a159c266SJung-uk Kim ObjDesc->Reference.Class = ACPI_REFCLASS_ARG; 650a159c266SJung-uk Kim 651a159c266SJung-uk Kim Status = AcpiDsMethodDataGetNode (ACPI_REFCLASS_ARG, 652a159c266SJung-uk Kim ObjDesc->Reference.Value, WalkState, 653a159c266SJung-uk Kim ACPI_CAST_INDIRECT_PTR (ACPI_NAMESPACE_NODE, 654a159c266SJung-uk Kim &ObjDesc->Reference.Object)); 655a159c266SJung-uk Kim break; 656a159c266SJung-uk Kim 657a159c266SJung-uk Kim default: /* Object name or Debug object */ 658a159c266SJung-uk Kim 659a159c266SJung-uk Kim switch (Op->Common.AmlOpcode) 660a159c266SJung-uk Kim { 661a159c266SJung-uk Kim case AML_INT_NAMEPATH_OP: 662a159c266SJung-uk Kim 663a159c266SJung-uk Kim /* Node was saved in Op */ 664a159c266SJung-uk Kim 665a159c266SJung-uk Kim ObjDesc->Reference.Node = Op->Common.Node; 666a159c266SJung-uk Kim ObjDesc->Reference.Class = ACPI_REFCLASS_NAME; 6675f9b24faSJung-uk Kim if (Op->Common.Node) 6685f9b24faSJung-uk Kim { 6695f9b24faSJung-uk Kim ObjDesc->Reference.Object = Op->Common.Node->Object; 6705f9b24faSJung-uk Kim } 671a159c266SJung-uk Kim break; 672a159c266SJung-uk Kim 673a159c266SJung-uk Kim case AML_DEBUG_OP: 674a159c266SJung-uk Kim 675a159c266SJung-uk Kim ObjDesc->Reference.Class = ACPI_REFCLASS_DEBUG; 676a159c266SJung-uk Kim break; 677a159c266SJung-uk Kim 678a159c266SJung-uk Kim default: 679a159c266SJung-uk Kim 680a159c266SJung-uk Kim ACPI_ERROR ((AE_INFO, 681a159c266SJung-uk Kim "Unimplemented reference type for AML opcode: 0x%4.4X", Opcode)); 682a159c266SJung-uk Kim return_ACPI_STATUS (AE_AML_OPERAND_TYPE); 683a159c266SJung-uk Kim } 684a159c266SJung-uk Kim break; 685a159c266SJung-uk Kim } 686a159c266SJung-uk Kim break; 687a159c266SJung-uk Kim 688a159c266SJung-uk Kim default: 689a159c266SJung-uk Kim 690a159c266SJung-uk Kim ACPI_ERROR ((AE_INFO, "Unimplemented data type: 0x%X", 691a159c266SJung-uk Kim ObjDesc->Common.Type)); 692a159c266SJung-uk Kim 693a159c266SJung-uk Kim Status = AE_AML_OPERAND_TYPE; 694a159c266SJung-uk Kim break; 695a159c266SJung-uk Kim } 696a159c266SJung-uk Kim 697a159c266SJung-uk Kim return_ACPI_STATUS (Status); 698a159c266SJung-uk Kim } 699