/****************************************************************************** * * Module Name: nsparse - namespace interface to AML parser * xRevision: 1.11 $ * *****************************************************************************/ /****************************************************************************** * * 1. Copyright Notice * * Some or all of this work - Copyright (c) 1999 - 2006, Intel Corp. * All rights reserved. * * 2. License * * 2.1. This is your license from Intel Corp. under its intellectual property * rights. You may have additional license terms from the party that provided * you this software, covering your right to use that party's intellectual * property rights. * * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a * copy of the source code appearing in this file ("Covered Code") an * irrevocable, perpetual, worldwide license under Intel's copyrights in the * base code distributed originally by Intel ("Original Intel Code") to copy, * make derivatives, distribute, use and display any portion of the Covered * Code in any form, with the right to sublicense such rights; and * * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent * license (with the right to sublicense), under only those claims of Intel * patents that are infringed by the Original Intel Code, to make, use, sell, * offer to sell, and import the Covered Code and derivative works thereof * solely to the minimum extent necessary to exercise the above copyright * license, and in no event shall the patent license extend to any additions * to or modifications of the Original Intel Code. No other license or right * is granted directly or by implication, estoppel or otherwise; * * The above copyright and patent license is granted only if the following * conditions are met: * * 3. Conditions * * 3.1. Redistribution of Source with Rights to Further Distribute Source. * Redistribution of source code of any substantial portion of the Covered * Code or modification with rights to further distribute source must include * the above Copyright Notice, the above License, this list of Conditions, * and the following Disclaimer and Export Compliance provision. In addition, * Licensee must cause all Covered Code to which Licensee contributes to * contain a file documenting the changes Licensee made to create that Covered * Code and the date of any change. Licensee must include in that file the * documentation of any changes made by any predecessor Licensee. Licensee * must include a prominent statement that the modification is derived, * directly or indirectly, from Original Intel Code. * * 3.2. Redistribution of Source with no Rights to Further Distribute Source. * Redistribution of source code of any substantial portion of the Covered * Code or modification without rights to further distribute source must * include the following Disclaimer and Export Compliance provision in the * documentation and/or other materials provided with distribution. In * addition, Licensee may not authorize further sublicense of source of any * portion of the Covered Code, and must include terms to the effect that the * license from Licensee to its licensee is limited to the intellectual * property embodied in the software Licensee provides to its licensee, and * not to intellectual property embodied in modifications its licensee may * make. * * 3.3. Redistribution of Executable. Redistribution in executable form of any * substantial portion of the Covered Code or modification must reproduce the * above Copyright Notice, and the following Disclaimer and Export Compliance * provision in the documentation and/or other materials provided with the * distribution. * * 3.4. Intel retains all right, title, and interest in and to the Original * Intel Code. * * 3.5. Neither the name Intel nor any other trademark owned or controlled by * Intel shall be used in advertising or otherwise to promote the sale, use or * other dealings in products derived from or relating to the Covered Code * without prior written authorization from Intel. * * 4. Disclaimer and Export Compliance * * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A * PARTICULAR PURPOSE. * * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY * LIMITED REMEDY. * * 4.3. Licensee shall not export, either directly or indirectly, any of this * software or system incorporating such software without first obtaining any * required license or other approval from the U. S. Department of Commerce or * any other agency or department of the United States Government. In the * event Licensee exports any such software from the United States or * re-exports any such software from a foreign destination, Licensee shall * ensure that the distribution and export/re-export of the software is in * compliance with all laws, regulations, orders, or other restrictions of the * U.S. Export Administration Regulations. Licensee agrees that neither it nor * any of its subsidiaries will export/re-export any technical data, process, * software, or service, directly or indirectly, to any country for which the * United States government or any agency thereof requires an export license, * other governmental approval, or letter of assurance, without first obtaining * such license, approval or letter. * *****************************************************************************/ #include __KERNEL_RCSID(0, "$NetBSD: nsparse.c,v 1.1 2006/03/23 13:36:31 kochi Exp $"); #define __NSPARSE_C__ #include "acpi.h" #include "acnamesp.h" #include "acparser.h" #include "acdispat.h" #define _COMPONENT ACPI_NAMESPACE ACPI_MODULE_NAME ("nsparse") /******************************************************************************* * * FUNCTION: NsOneCompleteParse * * PARAMETERS: PassNumber - 1 or 2 * TableDesc - The table to be parsed. * * RETURN: Status * * DESCRIPTION: Perform one complete parse of an ACPI/AML table. * ******************************************************************************/ ACPI_STATUS AcpiNsOneCompleteParse ( UINT8 PassNumber, ACPI_TABLE_DESC *TableDesc) { ACPI_PARSE_OBJECT *ParseRoot; ACPI_STATUS Status; ACPI_WALK_STATE *WalkState; ACPI_FUNCTION_TRACE ("NsOneCompleteParse"); /* Create and init a Root Node */ ParseRoot = AcpiPsCreateScopeOp (); if (!ParseRoot) { return_ACPI_STATUS (AE_NO_MEMORY); } /* Create and initialize a new walk state */ WalkState = AcpiDsCreateWalkState (TableDesc->OwnerId, NULL, NULL, NULL); if (!WalkState) { AcpiPsFreeOp (ParseRoot); return_ACPI_STATUS (AE_NO_MEMORY); } Status = AcpiDsInitAmlWalk (WalkState, ParseRoot, NULL, TableDesc->AmlStart, TableDesc->AmlLength, NULL, PassNumber); if (ACPI_FAILURE (Status)) { AcpiDsDeleteWalkState (WalkState); return_ACPI_STATUS (Status); } /* Parse the AML */ ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "*PARSE* pass %d parse\n", PassNumber)); Status = AcpiPsParseAml (WalkState); AcpiPsDeleteParseTree (ParseRoot); return_ACPI_STATUS (Status); } /******************************************************************************* * * FUNCTION: AcpiNsParseTable * * PARAMETERS: TableDesc - An ACPI table descriptor for table to parse * StartNode - Where to enter the table into the namespace * * RETURN: Status * * DESCRIPTION: Parse AML within an ACPI table and return a tree of ops * ******************************************************************************/ ACPI_STATUS AcpiNsParseTable ( ACPI_TABLE_DESC *TableDesc, ACPI_NAMESPACE_NODE *StartNode) { ACPI_STATUS Status; ACPI_FUNCTION_TRACE ("NsParseTable"); /* * AML Parse, pass 1 * * In this pass, we load most of the namespace. Control methods * are not parsed until later. A parse tree is not created. Instead, * each Parser Op subtree is deleted when it is finished. This saves * a great deal of memory, and allows a small cache of parse objects * to service the entire parse. The second pass of the parse then * performs another complete parse of the AML.. */ ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "**** Start pass 1\n")); Status = AcpiNsOneCompleteParse (1, TableDesc); if (ACPI_FAILURE (Status)) { return_ACPI_STATUS (Status); } /* * AML Parse, pass 2 * * In this pass, we resolve forward references and other things * that could not be completed during the first pass. * Another complete parse of the AML is performed, but the * overhead of this is compensated for by the fact that the * parse objects are all cached. */ ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "**** Start pass 2\n")); Status = AcpiNsOneCompleteParse (2, TableDesc); if (ACPI_FAILURE (Status)) { return_ACPI_STATUS (Status); } return_ACPI_STATUS (Status); }