forked from KolibriOS/kolibrios
759 lines
24 KiB
C
759 lines
24 KiB
C
/******************************************************************************
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*
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* Module Name: exconfig - Namespace reconfiguration (Load/Unload opcodes)
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*
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*****************************************************************************/
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/******************************************************************************
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*
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* 1. Copyright Notice
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*
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* Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
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* All rights reserved.
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*
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* 2. License
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*
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* 2.1. This is your license from Intel Corp. under its intellectual property
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* rights. You may have additional license terms from the party that provided
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* you this software, covering your right to use that party's intellectual
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* property rights.
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*
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* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
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* copy of the source code appearing in this file ("Covered Code") an
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* irrevocable, perpetual, worldwide license under Intel's copyrights in the
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* base code distributed originally by Intel ("Original Intel Code") to copy,
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* make derivatives, distribute, use and display any portion of the Covered
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* Code in any form, with the right to sublicense such rights; and
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*
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* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
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* license (with the right to sublicense), under only those claims of Intel
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* patents that are infringed by the Original Intel Code, to make, use, sell,
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* offer to sell, and import the Covered Code and derivative works thereof
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* solely to the minimum extent necessary to exercise the above copyright
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* license, and in no event shall the patent license extend to any additions
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* to or modifications of the Original Intel Code. No other license or right
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* is granted directly or by implication, estoppel or otherwise;
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*
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* The above copyright and patent license is granted only if the following
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* conditions are met:
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*
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* 3. Conditions
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*
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* 3.1. Redistribution of Source with Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification with rights to further distribute source must include
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* the above Copyright Notice, the above License, this list of Conditions,
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* and the following Disclaimer and Export Compliance provision. In addition,
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* Licensee must cause all Covered Code to which Licensee contributes to
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* contain a file documenting the changes Licensee made to create that Covered
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* Code and the date of any change. Licensee must include in that file the
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* documentation of any changes made by any predecessor Licensee. Licensee
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* must include a prominent statement that the modification is derived,
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* directly or indirectly, from Original Intel Code.
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*
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* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification without rights to further distribute source must
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* include the following Disclaimer and Export Compliance provision in the
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* documentation and/or other materials provided with distribution. In
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* addition, Licensee may not authorize further sublicense of source of any
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* portion of the Covered Code, and must include terms to the effect that the
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* license from Licensee to its licensee is limited to the intellectual
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* property embodied in the software Licensee provides to its licensee, and
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* not to intellectual property embodied in modifications its licensee may
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* make.
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*
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* 3.3. Redistribution of Executable. Redistribution in executable form of any
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* substantial portion of the Covered Code or modification must reproduce the
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* above Copyright Notice, and the following Disclaimer and Export Compliance
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* provision in the documentation and/or other materials provided with the
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* distribution.
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*
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* 3.4. Intel retains all right, title, and interest in and to the Original
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* Intel Code.
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*
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* 3.5. Neither the name Intel nor any other trademark owned or controlled by
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* Intel shall be used in advertising or otherwise to promote the sale, use or
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* other dealings in products derived from or relating to the Covered Code
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* without prior written authorization from Intel.
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*
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* 4. Disclaimer and Export Compliance
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*
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* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
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* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
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* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
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* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
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* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
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* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
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* PARTICULAR PURPOSE.
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*
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* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
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* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
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* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
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* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
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* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
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* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
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* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
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* LIMITED REMEDY.
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*
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* 4.3. Licensee shall not export, either directly or indirectly, any of this
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* software or system incorporating such software without first obtaining any
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* required license or other approval from the U. S. Department of Commerce or
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* any other agency or department of the United States Government. In the
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* event Licensee exports any such software from the United States or
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* re-exports any such software from a foreign destination, Licensee shall
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* ensure that the distribution and export/re-export of the software is in
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* compliance with all laws, regulations, orders, or other restrictions of the
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* U.S. Export Administration Regulations. Licensee agrees that neither it nor
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* any of its subsidiaries will export/re-export any technical data, process,
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* software, or service, directly or indirectly, to any country for which the
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* United States government or any agency thereof requires an export license,
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* other governmental approval, or letter of assurance, without first obtaining
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* such license, approval or letter.
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*
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*****************************************************************************/
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#define __EXCONFIG_C__
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#include "acpi.h"
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#include "accommon.h"
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#include "acinterp.h"
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#include "acnamesp.h"
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#include "actables.h"
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#include "acdispat.h"
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#include "acevents.h"
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#define _COMPONENT ACPI_EXECUTER
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ACPI_MODULE_NAME ("exconfig")
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/* Local prototypes */
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static ACPI_STATUS
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AcpiExAddTable (
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UINT32 TableIndex,
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ACPI_NAMESPACE_NODE *ParentNode,
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ACPI_OPERAND_OBJECT **DdbHandle);
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static ACPI_STATUS
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AcpiExRegionRead (
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ACPI_OPERAND_OBJECT *ObjDesc,
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UINT32 Length,
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UINT8 *Buffer);
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/*******************************************************************************
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*
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* FUNCTION: AcpiExAddTable
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*
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* PARAMETERS: Table - Pointer to raw table
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* ParentNode - Where to load the table (scope)
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* DdbHandle - Where to return the table handle.
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*
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* RETURN: Status
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*
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* DESCRIPTION: Common function to Install and Load an ACPI table with a
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* returned table handle.
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*
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******************************************************************************/
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static ACPI_STATUS
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AcpiExAddTable (
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UINT32 TableIndex,
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ACPI_NAMESPACE_NODE *ParentNode,
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ACPI_OPERAND_OBJECT **DdbHandle)
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{
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ACPI_OPERAND_OBJECT *ObjDesc;
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ACPI_STATUS Status;
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ACPI_OWNER_ID OwnerId;
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ACPI_FUNCTION_TRACE (ExAddTable);
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/* Create an object to be the table handle */
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ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_LOCAL_REFERENCE);
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if (!ObjDesc)
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{
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return_ACPI_STATUS (AE_NO_MEMORY);
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}
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/* Init the table handle */
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ObjDesc->Common.Flags |= AOPOBJ_DATA_VALID;
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ObjDesc->Reference.Class = ACPI_REFCLASS_TABLE;
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*DdbHandle = ObjDesc;
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/* Install the new table into the local data structures */
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ObjDesc->Reference.Value = TableIndex;
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/* Add the table to the namespace */
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Status = AcpiNsLoadTable (TableIndex, ParentNode);
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if (ACPI_FAILURE (Status))
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{
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AcpiUtRemoveReference (ObjDesc);
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*DdbHandle = NULL;
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return_ACPI_STATUS (Status);
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}
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/* Execute any module-level code that was found in the table */
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AcpiExExitInterpreter ();
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AcpiNsExecModuleCodeList ();
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AcpiExEnterInterpreter ();
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/* Update GPEs for any new _PRW or _Lxx/_Exx methods. Ignore errors */
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Status = AcpiTbGetOwnerId (TableIndex, &OwnerId);
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if (ACPI_SUCCESS (Status))
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{
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AcpiEvUpdateGpes (OwnerId);
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}
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return_ACPI_STATUS (AE_OK);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiExLoadTableOp
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*
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* PARAMETERS: WalkState - Current state with operands
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* ReturnDesc - Where to store the return object
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*
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* RETURN: Status
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*
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* DESCRIPTION: Load an ACPI table from the RSDT/XSDT
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiExLoadTableOp (
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ACPI_WALK_STATE *WalkState,
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ACPI_OPERAND_OBJECT **ReturnDesc)
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{
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ACPI_STATUS Status;
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ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0];
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ACPI_NAMESPACE_NODE *ParentNode;
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ACPI_NAMESPACE_NODE *StartNode;
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ACPI_NAMESPACE_NODE *ParameterNode = NULL;
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ACPI_OPERAND_OBJECT *DdbHandle;
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ACPI_TABLE_HEADER *Table;
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UINT32 TableIndex;
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ACPI_FUNCTION_TRACE (ExLoadTableOp);
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/* Validate lengths for the SignatureString, OEMIDString, OEMTableID */
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if ((Operand[0]->String.Length > ACPI_NAME_SIZE) ||
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(Operand[1]->String.Length > ACPI_OEM_ID_SIZE) ||
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(Operand[2]->String.Length > ACPI_OEM_TABLE_ID_SIZE))
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{
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return_ACPI_STATUS (AE_BAD_PARAMETER);
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}
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/* Find the ACPI table in the RSDT/XSDT */
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Status = AcpiTbFindTable (Operand[0]->String.Pointer,
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Operand[1]->String.Pointer,
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Operand[2]->String.Pointer, &TableIndex);
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if (ACPI_FAILURE (Status))
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{
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if (Status != AE_NOT_FOUND)
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{
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return_ACPI_STATUS (Status);
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}
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/* Table not found, return an Integer=0 and AE_OK */
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DdbHandle = AcpiUtCreateIntegerObject ((UINT64) 0);
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if (!DdbHandle)
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{
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return_ACPI_STATUS (AE_NO_MEMORY);
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}
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*ReturnDesc = DdbHandle;
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return_ACPI_STATUS (AE_OK);
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}
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/* Default nodes */
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StartNode = WalkState->ScopeInfo->Scope.Node;
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ParentNode = AcpiGbl_RootNode;
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/* RootPath (optional parameter) */
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if (Operand[3]->String.Length > 0)
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{
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/*
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* Find the node referenced by the RootPathString. This is the
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* location within the namespace where the table will be loaded.
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*/
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Status = AcpiNsGetNode (StartNode, Operand[3]->String.Pointer,
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ACPI_NS_SEARCH_PARENT, &ParentNode);
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if (ACPI_FAILURE (Status))
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{
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return_ACPI_STATUS (Status);
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}
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}
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/* ParameterPath (optional parameter) */
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if (Operand[4]->String.Length > 0)
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{
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if ((Operand[4]->String.Pointer[0] != '\\') &&
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(Operand[4]->String.Pointer[0] != '^'))
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{
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/*
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* Path is not absolute, so it will be relative to the node
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* referenced by the RootPathString (or the NS root if omitted)
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*/
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StartNode = ParentNode;
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}
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/* Find the node referenced by the ParameterPathString */
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Status = AcpiNsGetNode (StartNode, Operand[4]->String.Pointer,
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ACPI_NS_SEARCH_PARENT, &ParameterNode);
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if (ACPI_FAILURE (Status))
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{
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return_ACPI_STATUS (Status);
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}
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}
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/* Load the table into the namespace */
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Status = AcpiExAddTable (TableIndex, ParentNode, &DdbHandle);
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if (ACPI_FAILURE (Status))
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{
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return_ACPI_STATUS (Status);
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}
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/* Parameter Data (optional) */
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if (ParameterNode)
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{
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/* Store the parameter data into the optional parameter object */
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Status = AcpiExStore (Operand[5],
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ACPI_CAST_PTR (ACPI_OPERAND_OBJECT, ParameterNode),
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WalkState);
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if (ACPI_FAILURE (Status))
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{
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(void) AcpiExUnloadTable (DdbHandle);
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AcpiUtRemoveReference (DdbHandle);
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return_ACPI_STATUS (Status);
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}
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}
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Status = AcpiGetTableByIndex (TableIndex, &Table);
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if (ACPI_SUCCESS (Status))
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{
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ACPI_INFO ((AE_INFO, "Dynamic OEM Table Load:"));
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AcpiTbPrintTableHeader (0, Table);
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}
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/* Invoke table handler if present */
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if (AcpiGbl_TableHandler)
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{
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(void) AcpiGbl_TableHandler (ACPI_TABLE_EVENT_LOAD, Table,
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AcpiGbl_TableHandlerContext);
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}
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*ReturnDesc = DdbHandle;
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return_ACPI_STATUS (Status);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiExRegionRead
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*
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* PARAMETERS: ObjDesc - Region descriptor
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* Length - Number of bytes to read
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* Buffer - Pointer to where to put the data
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*
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* RETURN: Status
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*
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* DESCRIPTION: Read data from an operation region. The read starts from the
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* beginning of the region.
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*
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******************************************************************************/
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static ACPI_STATUS
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AcpiExRegionRead (
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ACPI_OPERAND_OBJECT *ObjDesc,
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UINT32 Length,
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UINT8 *Buffer)
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{
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ACPI_STATUS Status;
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UINT64 Value;
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UINT32 RegionOffset = 0;
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UINT32 i;
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/* Bytewise reads */
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for (i = 0; i < Length; i++)
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{
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Status = AcpiEvAddressSpaceDispatch (ObjDesc, ACPI_READ,
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RegionOffset, 8, &Value);
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if (ACPI_FAILURE (Status))
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{
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return (Status);
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}
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*Buffer = (UINT8) Value;
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Buffer++;
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RegionOffset++;
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}
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return (AE_OK);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiExLoadOp
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*
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* PARAMETERS: ObjDesc - Region or Buffer/Field where the table will be
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* obtained
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* Target - Where a handle to the table will be stored
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* WalkState - Current state
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*
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* RETURN: Status
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*
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* DESCRIPTION: Load an ACPI table from a field or operation region
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*
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* NOTE: Region Fields (Field, BankField, IndexFields) are resolved to buffer
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* objects before this code is reached.
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*
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* If source is an operation region, it must refer to SystemMemory, as
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* per the ACPI specification.
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiExLoadOp (
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ACPI_OPERAND_OBJECT *ObjDesc,
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ACPI_OPERAND_OBJECT *Target,
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ACPI_WALK_STATE *WalkState)
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{
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ACPI_OPERAND_OBJECT *DdbHandle;
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ACPI_TABLE_HEADER *Table;
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ACPI_TABLE_DESC TableDesc;
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UINT32 TableIndex;
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ACPI_STATUS Status;
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UINT32 Length;
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ACPI_FUNCTION_TRACE (ExLoadOp);
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ACPI_MEMSET (&TableDesc, 0, sizeof (ACPI_TABLE_DESC));
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/* Source Object can be either an OpRegion or a Buffer/Field */
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switch (ObjDesc->Common.Type)
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{
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case ACPI_TYPE_REGION:
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ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
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"Load table from Region %p\n", ObjDesc));
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/* Region must be SystemMemory (from ACPI spec) */
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if (ObjDesc->Region.SpaceId != ACPI_ADR_SPACE_SYSTEM_MEMORY)
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{
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return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
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}
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/*
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* If the Region Address and Length have not been previously evaluated,
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* evaluate them now and save the results.
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*/
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if (!(ObjDesc->Common.Flags & AOPOBJ_DATA_VALID))
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{
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Status = AcpiDsGetRegionArguments (ObjDesc);
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if (ACPI_FAILURE (Status))
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{
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return_ACPI_STATUS (Status);
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}
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}
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/* Get the table header first so we can get the table length */
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Table = ACPI_ALLOCATE (sizeof (ACPI_TABLE_HEADER));
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if (!Table)
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{
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return_ACPI_STATUS (AE_NO_MEMORY);
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}
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Status = AcpiExRegionRead (ObjDesc, sizeof (ACPI_TABLE_HEADER),
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ACPI_CAST_PTR (UINT8, Table));
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Length = Table->Length;
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ACPI_FREE (Table);
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if (ACPI_FAILURE (Status))
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{
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return_ACPI_STATUS (Status);
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}
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/* Must have at least an ACPI table header */
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if (Length < sizeof (ACPI_TABLE_HEADER))
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{
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return_ACPI_STATUS (AE_INVALID_TABLE_LENGTH);
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}
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/*
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* The original implementation simply mapped the table, with no copy.
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* However, the memory region is not guaranteed to remain stable and
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* we must copy the table to a local buffer. For example, the memory
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* region is corrupted after suspend on some machines. Dynamically
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* loaded tables are usually small, so this overhead is minimal.
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*
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* The latest implementation (5/2009) does not use a mapping at all.
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* We use the low-level operation region interface to read the table
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* instead of the obvious optimization of using a direct mapping.
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* This maintains a consistent use of operation regions across the
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* entire subsystem. This is important if additional processing must
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* be performed in the (possibly user-installed) operation region
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* handler. For example, AcpiExec and ASLTS depend on this.
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*/
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/* Allocate a buffer for the table */
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TableDesc.Pointer = ACPI_ALLOCATE (Length);
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if (!TableDesc.Pointer)
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{
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return_ACPI_STATUS (AE_NO_MEMORY);
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}
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/* Read the entire table */
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Status = AcpiExRegionRead (ObjDesc, Length,
|
|
ACPI_CAST_PTR (UINT8, TableDesc.Pointer));
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
ACPI_FREE (TableDesc.Pointer);
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
TableDesc.Address = ObjDesc->Region.Address;
|
|
break;
|
|
|
|
|
|
case ACPI_TYPE_BUFFER: /* Buffer or resolved RegionField */
|
|
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
|
|
"Load table from Buffer or Field %p\n", ObjDesc));
|
|
|
|
/* Must have at least an ACPI table header */
|
|
|
|
if (ObjDesc->Buffer.Length < sizeof (ACPI_TABLE_HEADER))
|
|
{
|
|
return_ACPI_STATUS (AE_INVALID_TABLE_LENGTH);
|
|
}
|
|
|
|
/* Get the actual table length from the table header */
|
|
|
|
Table = ACPI_CAST_PTR (ACPI_TABLE_HEADER, ObjDesc->Buffer.Pointer);
|
|
Length = Table->Length;
|
|
|
|
/* Table cannot extend beyond the buffer */
|
|
|
|
if (Length > ObjDesc->Buffer.Length)
|
|
{
|
|
return_ACPI_STATUS (AE_AML_BUFFER_LIMIT);
|
|
}
|
|
if (Length < sizeof (ACPI_TABLE_HEADER))
|
|
{
|
|
return_ACPI_STATUS (AE_INVALID_TABLE_LENGTH);
|
|
}
|
|
|
|
/*
|
|
* Copy the table from the buffer because the buffer could be modified
|
|
* or even deleted in the future
|
|
*/
|
|
TableDesc.Pointer = ACPI_ALLOCATE (Length);
|
|
if (!TableDesc.Pointer)
|
|
{
|
|
return_ACPI_STATUS (AE_NO_MEMORY);
|
|
}
|
|
|
|
ACPI_MEMCPY (TableDesc.Pointer, Table, Length);
|
|
TableDesc.Address = ACPI_TO_INTEGER (TableDesc.Pointer);
|
|
break;
|
|
|
|
|
|
default:
|
|
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
|
|
}
|
|
|
|
/* Validate table checksum (will not get validated in TbAddTable) */
|
|
|
|
Status = AcpiTbVerifyChecksum (TableDesc.Pointer, Length);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
ACPI_FREE (TableDesc.Pointer);
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
/* Complete the table descriptor */
|
|
|
|
TableDesc.Length = Length;
|
|
TableDesc.Flags = ACPI_TABLE_ORIGIN_ALLOCATED;
|
|
|
|
/* Install the new table into the local data structures */
|
|
|
|
Status = AcpiTbAddTable (&TableDesc, &TableIndex);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
/* Delete allocated table buffer */
|
|
|
|
AcpiTbDeleteTable (&TableDesc);
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
/*
|
|
* Add the table to the namespace.
|
|
*
|
|
* Note: Load the table objects relative to the root of the namespace.
|
|
* This appears to go against the ACPI specification, but we do it for
|
|
* compatibility with other ACPI implementations.
|
|
*/
|
|
Status = AcpiExAddTable (TableIndex, AcpiGbl_RootNode, &DdbHandle);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
/* On error, TablePtr was deallocated above */
|
|
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
/* Store the DdbHandle into the Target operand */
|
|
|
|
Status = AcpiExStore (DdbHandle, Target, WalkState);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
(void) AcpiExUnloadTable (DdbHandle);
|
|
|
|
/* TablePtr was deallocated above */
|
|
|
|
AcpiUtRemoveReference (DdbHandle);
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
ACPI_INFO ((AE_INFO, "Dynamic OEM Table Load:"));
|
|
AcpiTbPrintTableHeader (0, TableDesc.Pointer);
|
|
|
|
/* Remove the reference by added by AcpiExStore above */
|
|
|
|
AcpiUtRemoveReference (DdbHandle);
|
|
|
|
/* Invoke table handler if present */
|
|
|
|
if (AcpiGbl_TableHandler)
|
|
{
|
|
(void) AcpiGbl_TableHandler (ACPI_TABLE_EVENT_LOAD, TableDesc.Pointer,
|
|
AcpiGbl_TableHandlerContext);
|
|
}
|
|
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiExUnloadTable
|
|
*
|
|
* PARAMETERS: DdbHandle - Handle to a previously loaded table
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Unload an ACPI table
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiExUnloadTable (
|
|
ACPI_OPERAND_OBJECT *DdbHandle)
|
|
{
|
|
ACPI_STATUS Status = AE_OK;
|
|
ACPI_OPERAND_OBJECT *TableDesc = DdbHandle;
|
|
UINT32 TableIndex;
|
|
ACPI_TABLE_HEADER *Table;
|
|
|
|
|
|
ACPI_FUNCTION_TRACE (ExUnloadTable);
|
|
|
|
|
|
/*
|
|
* Validate the handle
|
|
* Although the handle is partially validated in AcpiExReconfiguration()
|
|
* when it calls AcpiExResolveOperands(), the handle is more completely
|
|
* validated here.
|
|
*
|
|
* Handle must be a valid operand object of type reference. Also, the
|
|
* DdbHandle must still be marked valid (table has not been previously
|
|
* unloaded)
|
|
*/
|
|
if ((!DdbHandle) ||
|
|
(ACPI_GET_DESCRIPTOR_TYPE (DdbHandle) != ACPI_DESC_TYPE_OPERAND) ||
|
|
(DdbHandle->Common.Type != ACPI_TYPE_LOCAL_REFERENCE) ||
|
|
(!(DdbHandle->Common.Flags & AOPOBJ_DATA_VALID)))
|
|
{
|
|
return_ACPI_STATUS (AE_BAD_PARAMETER);
|
|
}
|
|
|
|
/* Get the table index from the DdbHandle */
|
|
|
|
TableIndex = TableDesc->Reference.Value;
|
|
|
|
/* Ensure the table is still loaded */
|
|
|
|
if (!AcpiTbIsTableLoaded (TableIndex))
|
|
{
|
|
return_ACPI_STATUS (AE_NOT_EXIST);
|
|
}
|
|
|
|
/* Invoke table handler if present */
|
|
|
|
if (AcpiGbl_TableHandler)
|
|
{
|
|
Status = AcpiGetTableByIndex (TableIndex, &Table);
|
|
if (ACPI_SUCCESS (Status))
|
|
{
|
|
(void) AcpiGbl_TableHandler (ACPI_TABLE_EVENT_UNLOAD, Table,
|
|
AcpiGbl_TableHandlerContext);
|
|
}
|
|
}
|
|
|
|
/* Delete the portion of the namespace owned by this table */
|
|
|
|
Status = AcpiTbDeleteNamespaceByOwner (TableIndex);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
(void) AcpiTbReleaseOwnerId (TableIndex);
|
|
AcpiTbSetTableLoadedFlag (TableIndex, FALSE);
|
|
|
|
/*
|
|
* Invalidate the handle. We do this because the handle may be stored
|
|
* in a named object and may not be actually deleted until much later.
|
|
*/
|
|
DdbHandle->Common.Flags &= ~AOPOBJ_DATA_VALID;
|
|
return_ACPI_STATUS (AE_OK);
|
|
}
|
|
|