/* $DragonFly: src/sys/contrib/dev/acpica/Attic/exstorob.c,v 1.1 2003/09/24 03:32:16 drhodus Exp $ */ /****************************************************************************** * * Module Name: exstorob - AML Interpreter object store support, store to object * $Revision: 50 $ * *****************************************************************************/ /****************************************************************************** * * 1. Copyright Notice * * Some or all of this work - Copyright (c) 1999 - 2003, 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 __EXSTOROB_C__ #include "acpi.h" #include "acinterp.h" #define _COMPONENT ACPI_EXECUTER ACPI_MODULE_NAME ("exstorob") /******************************************************************************* * * FUNCTION: AcpiExStoreBufferToBuffer * * PARAMETERS: SourceDesc - Source object to copy * TargetDesc - Destination object of the copy * * RETURN: Status * * DESCRIPTION: Copy a buffer object to another buffer object. * ******************************************************************************/ ACPI_STATUS AcpiExStoreBufferToBuffer ( ACPI_OPERAND_OBJECT *SourceDesc, ACPI_OPERAND_OBJECT *TargetDesc) { UINT32 Length; UINT8 *Buffer; ACPI_FUNCTION_TRACE_PTR ("ExStoreBufferToBuffer", SourceDesc); /* * We know that SourceDesc is a buffer by now */ Buffer = (UINT8 *) SourceDesc->Buffer.Pointer; Length = SourceDesc->Buffer.Length; /* * If target is a buffer of length zero or is a static buffer, * allocate a new buffer of the proper length */ if ((TargetDesc->Buffer.Length == 0) || (TargetDesc->Common.Flags & AOPOBJ_STATIC_POINTER)) { TargetDesc->Buffer.Pointer = ACPI_MEM_ALLOCATE (Length); if (!TargetDesc->Buffer.Pointer) { return_ACPI_STATUS (AE_NO_MEMORY); } TargetDesc->Common.Flags &= ~AOPOBJ_STATIC_POINTER; TargetDesc->Buffer.Length = Length; } /* * Buffer is a static allocation, * only place what will fit in the buffer. */ if (Length <= TargetDesc->Buffer.Length) { /* Clear existing buffer and copy in the new one */ ACPI_MEMSET (TargetDesc->Buffer.Pointer, 0, TargetDesc->Buffer.Length); ACPI_MEMCPY (TargetDesc->Buffer.Pointer, Buffer, Length); } else { /* * Truncate the source, copy only what will fit */ ACPI_MEMCPY (TargetDesc->Buffer.Pointer, Buffer, TargetDesc->Buffer.Length); ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Truncating src buffer from %X to %X\n", Length, TargetDesc->Buffer.Length)); } /* Copy flags */ TargetDesc->Buffer.Flags = SourceDesc->Buffer.Flags; return_ACPI_STATUS (AE_OK); } /******************************************************************************* * * FUNCTION: AcpiExStoreStringToString * * PARAMETERS: SourceDesc - Source object to copy * TargetDesc - Destination object of the copy * * RETURN: Status * * DESCRIPTION: Copy a String object to another String object * ******************************************************************************/ ACPI_STATUS AcpiExStoreStringToString ( ACPI_OPERAND_OBJECT *SourceDesc, ACPI_OPERAND_OBJECT *TargetDesc) { UINT32 Length; UINT8 *Buffer; ACPI_FUNCTION_TRACE_PTR ("ExStoreStringToString", SourceDesc); /* * We know that SourceDesc is a string by now. */ Buffer = (UINT8 *) SourceDesc->String.Pointer; Length = SourceDesc->String.Length; /* * Replace existing string value if it will fit and the string * pointer is not a static pointer (part of an ACPI table) */ if ((Length < TargetDesc->String.Length) && (!(TargetDesc->Common.Flags & AOPOBJ_STATIC_POINTER))) { /* * String will fit in existing non-static buffer. * Clear old string and copy in the new one */ ACPI_MEMSET (TargetDesc->String.Pointer, 0, (ACPI_SIZE) TargetDesc->String.Length + 1); ACPI_MEMCPY (TargetDesc->String.Pointer, Buffer, Length); } else { /* * Free the current buffer, then allocate a new buffer * large enough to hold the value */ if (TargetDesc->String.Pointer && (!(TargetDesc->Common.Flags & AOPOBJ_STATIC_POINTER))) { /* * Only free if not a pointer into the DSDT */ ACPI_MEM_FREE (TargetDesc->String.Pointer); } TargetDesc->String.Pointer = ACPI_MEM_CALLOCATE ((ACPI_SIZE) Length + 1); if (!TargetDesc->String.Pointer) { return_ACPI_STATUS (AE_NO_MEMORY); } TargetDesc->Common.Flags &= ~AOPOBJ_STATIC_POINTER; ACPI_MEMCPY (TargetDesc->String.Pointer, Buffer, Length); } /* Set the new target length */ TargetDesc->String.Length = Length; return_ACPI_STATUS (AE_OK); }