/****************************************************************************** * * Module Name: exstoren - AML Interpreter object store support, * Store to Node (namespace object) * $Revision: 41 $ * *****************************************************************************/ /****************************************************************************** * * 1. Copyright Notice * * Some or all of this work - Copyright (c) 1999, 2000, 2001, 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. * *****************************************************************************/ #define __EXSTOREN_C__ #include "acpi.h" #include "acparser.h" #include "acdispat.h" #include "acinterp.h" #include "amlcode.h" #include "acnamesp.h" #include "actables.h" #define _COMPONENT ACPI_EXECUTER MODULE_NAME ("exstoren") /******************************************************************************* * * FUNCTION: AcpiExResolveObject * * PARAMETERS: SourceDescPtr - Pointer to the source object * TargetType - Current type of the target * WalkState - Current walk state * * RETURN: Status, resolved object in SourceDescPtr. * * DESCRIPTION: Resolve an object. If the object is a reference, dereference * it and return the actual object in the SourceDescPtr. * ******************************************************************************/ ACPI_STATUS AcpiExResolveObject ( ACPI_OPERAND_OBJECT **SourceDescPtr, ACPI_OBJECT_TYPE8 TargetType, ACPI_WALK_STATE *WalkState) { ACPI_OPERAND_OBJECT *SourceDesc = *SourceDescPtr; ACPI_STATUS Status = AE_OK; FUNCTION_TRACE ("ExResolveObject"); /* * Ensure we have a Target that can be stored to */ switch (TargetType) { case ACPI_TYPE_BUFFER_FIELD: case INTERNAL_TYPE_REGION_FIELD: case INTERNAL_TYPE_BANK_FIELD: case INTERNAL_TYPE_INDEX_FIELD: /* * These cases all require only Integers or values that * can be converted to Integers (Strings or Buffers) */ case ACPI_TYPE_INTEGER: case ACPI_TYPE_STRING: case ACPI_TYPE_BUFFER: /* * Stores into a Field/Region or into a Integer/Buffer/String * are all essentially the same. This case handles the * "interchangeable" types Integer, String, and Buffer. */ /* TBD: FIX - check for source==REF, resolve, then check type */ /* * If SourceDesc is not a valid type, try to resolve it to one. */ if ((SourceDesc->Common.Type != ACPI_TYPE_INTEGER) && (SourceDesc->Common.Type != ACPI_TYPE_BUFFER) && (SourceDesc->Common.Type != ACPI_TYPE_STRING)) { /* * Initially not a valid type, convert */ Status = AcpiExResolveToValue (SourceDescPtr, WalkState); if (ACPI_SUCCESS (Status) && (SourceDesc->Common.Type != ACPI_TYPE_INTEGER) && (SourceDesc->Common.Type != ACPI_TYPE_BUFFER) && (SourceDesc->Common.Type != ACPI_TYPE_STRING)) { /* * Conversion successful but still not a valid type */ ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Cannot assign type %s to %s (must be type Int/Str/Buf)\n", AcpiUtGetTypeName ((*SourceDescPtr)->Common.Type), AcpiUtGetTypeName (TargetType))); Status = AE_AML_OPERAND_TYPE; } } break; case INTERNAL_TYPE_ALIAS: /* * Aliases are resolved by AcpiExPrepOperands */ ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "Store into Alias - should never happen\n")); Status = AE_AML_INTERNAL; break; case ACPI_TYPE_PACKAGE: default: /* * All other types than Alias and the various Fields come here, * including the untyped case - ACPI_TYPE_ANY. */ break; } return_ACPI_STATUS (Status); } /******************************************************************************* * * FUNCTION: AcpiExStoreObject * * PARAMETERS: SourceDesc - Object to store * TargetType - Current type of the target * TargetDescPtr - Pointer to the target * WalkState - Current walk state * * RETURN: Status * * DESCRIPTION: "Store" an object to another object. This may include * converting the source type to the target type (implicit * conversion), and a copy of the value of the source to * the target. * ******************************************************************************/ ACPI_STATUS AcpiExStoreObject ( ACPI_OPERAND_OBJECT *SourceDesc, ACPI_OBJECT_TYPE8 TargetType, ACPI_OPERAND_OBJECT **TargetDescPtr, ACPI_WALK_STATE *WalkState) { ACPI_OPERAND_OBJECT *TargetDesc = *TargetDescPtr; ACPI_STATUS Status = AE_OK; FUNCTION_TRACE ("ExStoreObject"); /* * Perform the "implicit conversion" of the source to the current type * of the target - As per the ACPI specification. * * If no conversion performed, SourceDesc is left alone, otherwise it * is updated with a new object. */ Status = AcpiExConvertToTargetType (TargetType, &SourceDesc, WalkState); if (ACPI_FAILURE (Status)) { return_ACPI_STATUS (Status); } /* * We now have two objects of identical types, and we can perform a * copy of the *value* of the source object. */ switch (TargetType) { case ACPI_TYPE_ANY: case INTERNAL_TYPE_DEF_ANY: /* * The target namespace node is uninitialized (has no target object), * and will take on the type of the source object */ *TargetDescPtr = SourceDesc; break; case ACPI_TYPE_INTEGER: TargetDesc->Integer.Value = SourceDesc->Integer.Value; /* Truncate value if we are executing from a 32-bit ACPI table */ AcpiExTruncateFor32bitTable (TargetDesc, WalkState); break; case ACPI_TYPE_STRING: Status = AcpiExCopyStringToString (SourceDesc, TargetDesc); break; case ACPI_TYPE_BUFFER: Status = AcpiExCopyBufferToBuffer (SourceDesc, TargetDesc); break; case ACPI_TYPE_PACKAGE: /* * TBD: [Unhandled] Not real sure what to do here */ Status = AE_NOT_IMPLEMENTED; break; default: /* * All other types come here. */ ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "Store into type %s not implemented\n", AcpiUtGetTypeName (TargetType))); Status = AE_NOT_IMPLEMENTED; break; } return_ACPI_STATUS (Status); }