/****************************************************************************** * * Module Name: aslbtypes - Support for bitfield types * *****************************************************************************/ /****************************************************************************** * * 1. Copyright Notice * * Some or all of this work - Copyright (c) 1999 - 2019, 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. * ***************************************************************************** * * Alternatively, you may choose to be licensed under the terms of the * following license: * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification. * 2. Redistributions in binary form must reproduce at minimum a disclaimer * substantially similar to the "NO WARRANTY" disclaimer below * ("Disclaimer") and any redistribution must be conditioned upon * including a substantially similar Disclaimer requirement for further * binary redistribution. * 3. Neither the names of the above-listed copyright holders nor the names * of any contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Alternatively, you may choose to be licensed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * *****************************************************************************/ #include "aslcompiler.h" #include "aslcompiler.y.h" #include "amlcode.h" #define _COMPONENT ACPI_COMPILER ACPI_MODULE_NAME ("aslbtypes") /* Local prototypes */ static UINT32 AnMapEtypeToBtype ( UINT32 Etype); /******************************************************************************* * * FUNCTION: AnMapArgTypeToBtype * * PARAMETERS: ArgType - The ARGI required type(s) for this * argument, from the opcode info table * * RETURN: The corresponding Bit-encoded types * * DESCRIPTION: Convert an encoded ARGI required argument type code into a * bitfield type code. Implements the implicit source conversion * rules. * ******************************************************************************/ UINT32 AnMapArgTypeToBtype ( UINT32 ArgType) { switch (ArgType) { /* Simple types */ case ARGI_ANYTYPE: return (ACPI_BTYPE_OBJECTS_AND_REFS); case ARGI_PACKAGE: return (ACPI_BTYPE_PACKAGE); case ARGI_EVENT: return (ACPI_BTYPE_EVENT); case ARGI_MUTEX: return (ACPI_BTYPE_MUTEX); case ARGI_DDBHANDLE: /* * DDBHandleObject := SuperName * ACPI_BTYPE_REFERENCE_OBJECT: * Index reference as parameter of Load/Unload */ return (ACPI_BTYPE_DDB_HANDLE | ACPI_BTYPE_REFERENCE_OBJECT); /* Interchangeable types */ /* * Source conversion rules: * Integer, String, and Buffer are all interchangeable */ case ARGI_INTEGER: case ARGI_STRING: case ARGI_BUFFER: case ARGI_BUFFER_OR_STRING: case ARGI_COMPUTEDATA: return (ACPI_BTYPE_COMPUTE_DATA); /* References */ case ARGI_INTEGER_REF: return (ACPI_BTYPE_INTEGER); case ARGI_OBJECT_REF: return (ACPI_BTYPE_ALL_OBJECTS); case ARGI_DEVICE_REF: return (ACPI_BTYPE_DEVICE_OBJECTS); case ARGI_REFERENCE: return (ACPI_BTYPE_NAMED_REFERENCE); /* Name or Namestring */ case ARGI_TARGETREF: /* * Target operand for most math and logic operators. * Package objects not allowed as target. */ return (ACPI_BTYPE_COMPUTE_DATA | ACPI_BTYPE_DEBUG_OBJECT | ACPI_BTYPE_REFERENCE_OBJECT); case ARGI_STORE_TARGET: /* Special target for Store(), includes packages */ return (ACPI_BTYPE_DATA | ACPI_BTYPE_DEBUG_OBJECT | ACPI_BTYPE_REFERENCE_OBJECT); case ARGI_FIXED_TARGET: case ARGI_SIMPLE_TARGET: return (ACPI_BTYPE_OBJECTS_AND_REFS); /* Complex types */ case ARGI_DATAOBJECT: /* * Buffer, string, package or reference to a Op - * Used only by SizeOf operator */ return (ACPI_BTYPE_STRING | ACPI_BTYPE_BUFFER | ACPI_BTYPE_PACKAGE | ACPI_BTYPE_REFERENCE_OBJECT); case ARGI_COMPLEXOBJ: /* Buffer, String, or package */ return (ACPI_BTYPE_STRING | ACPI_BTYPE_BUFFER | ACPI_BTYPE_PACKAGE); case ARGI_REF_OR_STRING: /* Used by DeRefOf operator only */ return (ACPI_BTYPE_STRING | ACPI_BTYPE_REFERENCE_OBJECT); case ARGI_REGION_OR_BUFFER: /* Used by Load() only. Allow buffers in addition to regions/fields */ return (ACPI_BTYPE_REGION | ACPI_BTYPE_BUFFER | ACPI_BTYPE_FIELD_UNIT); case ARGI_DATAREFOBJ: /* Used by Store() only, as the source operand */ return (ACPI_BTYPE_DATA_REFERENCE | ACPI_BTYPE_REFERENCE_OBJECT); default: break; } return (ACPI_BTYPE_OBJECTS_AND_REFS); } /******************************************************************************* * * FUNCTION: AnMapEtypeToBtype * * PARAMETERS: Etype - Encoded ACPI Type * * RETURN: Btype corresponding to the Etype * * DESCRIPTION: Convert an encoded ACPI type to a bitfield type applying the * operand conversion rules. In other words, returns the type(s) * this Etype is implicitly converted to during interpretation. * ******************************************************************************/ static UINT32 AnMapEtypeToBtype ( UINT32 Etype) { if (Etype == ACPI_TYPE_ANY) { return (ACPI_BTYPE_OBJECTS_AND_REFS); } /* Try the standard ACPI data types */ if (Etype <= ACPI_TYPE_EXTERNAL_MAX) { /* * This switch statement implements the allowed operand conversion * rules as per the "ASL Data Types" section of the ACPI * specification. */ switch (Etype) { case ACPI_TYPE_INTEGER: return (ACPI_BTYPE_COMPUTE_DATA | ACPI_BTYPE_DDB_HANDLE); case ACPI_TYPE_STRING: case ACPI_TYPE_BUFFER: return (ACPI_BTYPE_COMPUTE_DATA); case ACPI_TYPE_PACKAGE: return (ACPI_BTYPE_PACKAGE); case ACPI_TYPE_FIELD_UNIT: return (ACPI_BTYPE_COMPUTE_DATA | ACPI_BTYPE_FIELD_UNIT); case ACPI_TYPE_BUFFER_FIELD: return (ACPI_BTYPE_COMPUTE_DATA | ACPI_BTYPE_BUFFER_FIELD); case ACPI_TYPE_DDB_HANDLE: return (ACPI_BTYPE_INTEGER | ACPI_BTYPE_DDB_HANDLE); case ACPI_TYPE_DEBUG_OBJECT: /* Cannot be used as a source operand */ return (0); default: return (1 << (Etype - 1)); } } /* Try the internal data types */ switch (Etype) { case ACPI_TYPE_LOCAL_REGION_FIELD: case ACPI_TYPE_LOCAL_BANK_FIELD: case ACPI_TYPE_LOCAL_INDEX_FIELD: /* Named fields can be either Integer/Buffer/String */ return (ACPI_BTYPE_COMPUTE_DATA | ACPI_BTYPE_FIELD_UNIT); case ACPI_TYPE_LOCAL_ALIAS: return (ACPI_BTYPE_INTEGER); case ACPI_TYPE_LOCAL_RESOURCE: case ACPI_TYPE_LOCAL_RESOURCE_FIELD: return (ACPI_BTYPE_REFERENCE_OBJECT); default: printf ("Unhandled encoded type: %X\n", Etype); return (0); } } /******************************************************************************* * * FUNCTION: AnFormatBtype * * PARAMETERS: Btype - Bitfield of ACPI types * Buffer - Where to put the ascii string * * RETURN: None. * * DESCRIPTION: Convert a Btype to a string of ACPI types * ******************************************************************************/ void AnFormatBtype ( char *Buffer, UINT32 Btype) { UINT32 Type; BOOLEAN First = TRUE; *Buffer = 0; if (Btype == 0) { strcat (Buffer, "NoReturnValue"); return; } for (Type = 1; Type <= ACPI_TYPE_EXTERNAL_MAX; Type++) { if (Btype & 0x00000001) { if (!First) { strcat (Buffer, "|"); } First = FALSE; strcat (Buffer, AcpiUtGetTypeName (Type)); } Btype >>= 1; } if (Btype & 0x00000001) { if (!First) { strcat (Buffer, "|"); } First = FALSE; strcat (Buffer, "Reference"); } Btype >>= 1; if (Btype & 0x00000001) { if (!First) { strcat (Buffer, "|"); } First = FALSE; strcat (Buffer, "Resource"); } } /******************************************************************************* * * FUNCTION: AnGetBtype * * PARAMETERS: Op - Parse node whose type will be returned. * * RETURN: The Btype associated with the Op. * * DESCRIPTION: Get the (bitfield) ACPI type associated with the parse node. * Handles the case where the node is a name or method call and * the actual type must be obtained from the namespace node. * ******************************************************************************/ UINT32 AnGetBtype ( ACPI_PARSE_OBJECT *Op) { ACPI_NAMESPACE_NODE *Node; ACPI_PARSE_OBJECT *ReferencedNode; UINT32 ThisNodeBtype = 0; if (!Op) { AcpiOsPrintf ("Null Op in AnGetBtype\n"); return (ACPI_UINT32_MAX); } if ((Op->Asl.ParseOpcode == PARSEOP_NAMESEG) || (Op->Asl.ParseOpcode == PARSEOP_NAMESTRING) || (Op->Asl.ParseOpcode == PARSEOP_METHODCALL)) { Node = Op->Asl.Node; if (!Node) { /* These are not expected to have a node at this time */ if ((Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_CREATEWORDFIELD) || (Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_CREATEDWORDFIELD) || (Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_CREATEQWORDFIELD) || (Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_CREATEBYTEFIELD) || (Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_CREATEBITFIELD) || (Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_CREATEFIELD) || (Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_CONDREFOF)) { return (ACPI_UINT32_MAX - 1); } DbgPrint (ASL_DEBUG_OUTPUT, "No attached Nsnode: [%s] at line %u name [%s], " "ignoring typecheck. Parent [%s]\n", Op->Asl.ParseOpName, Op->Asl.LineNumber, Op->Asl.ExternalName, Op->Asl.Parent->Asl.ParseOpName); return (ACPI_UINT32_MAX - 1); } ThisNodeBtype = AnMapEtypeToBtype (Node->Type); if (!ThisNodeBtype) { AslError (ASL_ERROR, ASL_MSG_COMPILER_INTERNAL, Op, "could not map type"); } if (Op->Asl.ParseOpcode == PARSEOP_METHODCALL) { ReferencedNode = Node->Op; if (!ReferencedNode) { /* Check for an internal method */ if (AnIsInternalMethod (Op)) { return (AnGetInternalMethodReturnType (Op)); } AslError (ASL_ERROR, ASL_MSG_COMPILER_INTERNAL, Op, "null Op pointer"); return (ACPI_UINT32_MAX); } if (ReferencedNode->Asl.CompileFlags & OP_METHOD_TYPED) { ThisNodeBtype = ReferencedNode->Asl.AcpiBtype; } else { return (ACPI_UINT32_MAX -1); } } } else { ThisNodeBtype = Op->Asl.AcpiBtype; } return (ThisNodeBtype); } /******************************************************************************* * * FUNCTION: AnMapObjTypeToBtype * * PARAMETERS: Op - A parse node * * RETURN: A Btype * * DESCRIPTION: Map object to the associated "Btype" * ******************************************************************************/ UINT32 AnMapObjTypeToBtype ( ACPI_PARSE_OBJECT *Op) { switch (Op->Asl.ParseOpcode) { case PARSEOP_OBJECTTYPE_BFF: /* "BuffFieldObj" */ return (ACPI_BTYPE_BUFFER_FIELD); case PARSEOP_OBJECTTYPE_BUF: /* "BuffObj" */ return (ACPI_BTYPE_BUFFER); case PARSEOP_OBJECTTYPE_DDB: /* "DDBHandleObj" */ return (ACPI_BTYPE_DDB_HANDLE); case PARSEOP_OBJECTTYPE_DEV: /* "DeviceObj" */ return (ACPI_BTYPE_DEVICE); case PARSEOP_OBJECTTYPE_EVT: /* "EventObj" */ return (ACPI_BTYPE_EVENT); case PARSEOP_OBJECTTYPE_FLD: /* "FieldUnitObj" */ return (ACPI_BTYPE_FIELD_UNIT); case PARSEOP_OBJECTTYPE_INT: /* "IntObj" */ return (ACPI_BTYPE_INTEGER); case PARSEOP_OBJECTTYPE_MTH: /* "MethodObj" */ return (ACPI_BTYPE_METHOD); case PARSEOP_OBJECTTYPE_MTX: /* "MutexObj" */ return (ACPI_BTYPE_MUTEX); case PARSEOP_OBJECTTYPE_OPR: /* "OpRegionObj" */ return (ACPI_BTYPE_REGION); case PARSEOP_OBJECTTYPE_PKG: /* "PkgObj" */ return (ACPI_BTYPE_PACKAGE); case PARSEOP_OBJECTTYPE_POW: /* "PowerResObj" */ return (ACPI_BTYPE_POWER); case PARSEOP_OBJECTTYPE_STR: /* "StrObj" */ return (ACPI_BTYPE_STRING); case PARSEOP_OBJECTTYPE_THZ: /* "ThermalZoneObj" */ return (ACPI_BTYPE_THERMAL); case PARSEOP_OBJECTTYPE_UNK: /* "UnknownObj" */ return (ACPI_BTYPE_OBJECTS_AND_REFS); default: return (0); } } #ifdef ACPI_OBSOLETE_FUNCTIONS /******************************************************************************* * * FUNCTION: AnMapBtypeToEtype * * PARAMETERS: Btype - Bitfield of ACPI types * * RETURN: The Etype corresponding the the Btype * * DESCRIPTION: Convert a bitfield type to an encoded type * ******************************************************************************/ UINT32 AnMapBtypeToEtype ( UINT32 Btype) { UINT32 i; UINT32 Etype; if (Btype == 0) { return (0); } Etype = 1; for (i = 1; i < Btype; i *= 2) { Etype++; } return (Etype); } #endif