exconfig.c revision 27f7c58306b55fe9e0cfd2934039be1729b505e9
/******************************************************************************
*
* $Revision: 1.99 $
*
*****************************************************************************/
/******************************************************************************
*
* 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
* 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
* 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
* compliance with all laws, regulations, orders, or other restrictions of the
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
* 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 __EXCONFIG_C__
#include "acpi.h"
#include "acinterp.h"
#include "amlcode.h"
#include "acnamesp.h"
#include "acevents.h"
#include "actables.h"
#include "acdispat.h"
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME ("exconfig")
/* Local prototypes */
static ACPI_STATUS
/*******************************************************************************
*
* FUNCTION: AcpiExAddTable
*
* PARAMETERS: Table - Pointer to raw table
* ParentNode - Where to load the table (scope)
* DdbHandle - Where to return the table handle.
*
* RETURN: Status
*
* DESCRIPTION: Common function to Install and Load an ACPI table with a
* returned table handle.
*
******************************************************************************/
static ACPI_STATUS
{
/* Create an object to be the table handle */
if (!ObjDesc)
{
}
/* Init the table handle */
/* Install the new table into the local data structures */
if (ACPI_FAILURE (Status))
{
if (Status == AE_ALREADY_EXISTS)
{
/* Table already exists, just return the handle */
}
goto Cleanup;
}
/* Add the table to the namespace */
if (ACPI_FAILURE (Status))
{
/* Uninstall table on error */
goto Cleanup;
}
}
/*******************************************************************************
*
* FUNCTION: AcpiExLoadTableOp
*
* PARAMETERS: WalkState - Current state with operands
* ReturnDesc - Where to store the return object
*
* RETURN: Status
*
* DESCRIPTION: Load an ACPI table
*
******************************************************************************/
{
#if 0
/*
* Make sure that the signature does not match one of the tables that
* is already loaded.
*/
{
/* Signature matched -- don't allow override */
}
#endif
/* Find the ACPI table */
if (ACPI_FAILURE (Status))
{
if (Status != AE_NOT_FOUND)
{
}
/* Table not found, return an Integer=0 and AE_OK */
if (!DdbHandle)
{
}
*ReturnDesc = DdbHandle;
}
/* Default nodes */
/* RootPath (optional parameter) */
{
/*
* Find the node referenced by the RootPathString. This is the
* location within the namespace where the table will be loaded.
*/
if (ACPI_FAILURE (Status))
{
}
}
/* ParameterPath (optional parameter) */
{
{
/*
* Path is not absolute, so it will be relative to the node
* referenced by the RootPathString (or the NS root if omitted)
*/
}
/* Find the node referenced by the ParameterPathString */
if (ACPI_FAILURE (Status))
{
}
}
/* Load the table into the namespace */
if (ACPI_FAILURE (Status))
{
}
/* Parameter Data (optional) */
if (ParameterNode)
{
/* Store the parameter data into the optional parameter object */
if (ACPI_FAILURE (Status))
{
(void) AcpiExUnloadTable (DdbHandle);
}
}
"Dynamic OEM Table Load - [%4.4s] OemId [%6.6s] OemTableId [%8.8s]",
*ReturnDesc = DdbHandle;
}
/*******************************************************************************
*
* FUNCTION: AcpiExLoadOp
*
* PARAMETERS: ObjDesc - Region or Field where the table will be
* obtained
* Target - Where a handle to the table will be stored
* WalkState - Current state
*
* RETURN: Status
*
* DESCRIPTION: Load an ACPI table from a field or operation region
*
******************************************************************************/
{
UINT32 i;
/* Object can be either an OpRegion or a Field */
switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
{
case ACPI_TYPE_REGION:
/*
* If the Region Address and Length have not been previously evaluated,
* evaluate them now and save the results.
*/
{
if (ACPI_FAILURE (Status))
{
}
}
/* Get the base physical address of the region */
/* Get part of the table header to get the table length */
TableHeader.Length = 0;
for (i = 0; i < 8; i++)
{
if (ACPI_FAILURE (Status))
{
}
/* Get the one valid byte of the returned 64-bit value */
}
/* Sanity check the table length */
{
}
/* Allocate a buffer for the entire table */
if (!TablePtr)
{
}
/* Get the entire table from the op region */
for (i = 0; i < TableHeader.Length; i++)
{
if (ACPI_FAILURE (Status))
{
goto Cleanup;
}
/* Get the one valid byte of the returned 64-bit value */
}
break;
/*
* The length of the field must be at least as large as the table.
* Read the entire field and thus the entire table. Buffer is
* allocated during the read.
*/
if (ACPI_FAILURE (Status))
{
}
/* All done with the BufferDesc, delete it */
/* Sanity check the table length */
{
goto Cleanup;
}
break;
default:
}
/* The table must be either an SSDT or a PSDT */
{
"Table has invalid signature [%4.4s], must be SSDT or PSDT",
goto Cleanup;
}
/* Install the new table into the local data structures */
if (ACPI_FAILURE (Status))
{
/* On error, TablePtr was deallocated above */
}
/* Store the DdbHandle into the Target operand */
if (ACPI_FAILURE (Status))
{
(void) AcpiExUnloadTable (DdbHandle);
/* TablePtr was deallocated above */
}
"Dynamic SSDT Load - OemId [%6.6s] OemTableId [%8.8s]",
if (ACPI_FAILURE (Status))
{
}
}
/*******************************************************************************
*
* FUNCTION: AcpiExUnloadTable
*
* PARAMETERS: DdbHandle - Handle to a previously loaded table
*
* RETURN: Status
*
* DESCRIPTION: Unload an ACPI table
*
******************************************************************************/
{
/*
* Validate the handle
* Although the handle is partially validated in AcpiExReconfiguration(),
* when it calls AcpiExResolveOperands(), the handle is more completely
* validated here.
*/
if ((!DdbHandle) ||
{
}
/* Get the actual table descriptor from the DdbHandle */
/*
* Delete the entire namespace under this table Node
* (Offset contains the TableId)
*/
/* Delete the table itself */
/* Delete the table descriptor (DdbHandle) */
}