317 lines
12 KiB
C
317 lines
12 KiB
C
/******************************************************************************
|
|
*
|
|
* Module Name: dsinit - Object initialization namespace walk
|
|
* $Revision: 10 $
|
|
*
|
|
*****************************************************************************/
|
|
|
|
/******************************************************************************
|
|
*
|
|
* 1. Copyright Notice
|
|
*
|
|
* Some or all of this work - Copyright (c) 1999 - 2004, 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 __DSINIT_C__
|
|
|
|
#include <contrib/dev/acpica/acpi.h>
|
|
#include <contrib/dev/acpica/acdispat.h>
|
|
#include <contrib/dev/acpica/acnamesp.h>
|
|
|
|
#define _COMPONENT ACPI_DISPATCHER
|
|
ACPI_MODULE_NAME ("dsinit")
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiDsInitOneObject
|
|
*
|
|
* PARAMETERS: ObjHandle - Node
|
|
* Level - Current nesting level
|
|
* Context - Points to a init info struct
|
|
* ReturnValue - Not used
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Callback from AcpiWalkNamespace. Invoked for every object
|
|
* within the namespace.
|
|
*
|
|
* Currently, the only objects that require initialization are:
|
|
* 1) Methods
|
|
* 2) Operation Regions
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiDsInitOneObject (
|
|
ACPI_HANDLE ObjHandle,
|
|
UINT32 Level,
|
|
void *Context,
|
|
void **ReturnValue)
|
|
{
|
|
ACPI_OBJECT_TYPE Type;
|
|
ACPI_STATUS Status;
|
|
ACPI_INIT_WALK_INFO *Info = (ACPI_INIT_WALK_INFO *) Context;
|
|
|
|
|
|
ACPI_FUNCTION_NAME ("DsInitOneObject");
|
|
|
|
|
|
/*
|
|
* We are only interested in objects owned by the table that
|
|
* was just loaded
|
|
*/
|
|
if (((ACPI_NAMESPACE_NODE *) ObjHandle)->OwnerId !=
|
|
Info->TableDesc->TableId)
|
|
{
|
|
return (AE_OK);
|
|
}
|
|
|
|
Info->ObjectCount++;
|
|
|
|
/* And even then, we are only interested in a few object types */
|
|
|
|
Type = AcpiNsGetType (ObjHandle);
|
|
|
|
switch (Type)
|
|
{
|
|
case ACPI_TYPE_REGION:
|
|
|
|
Status = AcpiDsInitializeRegion (ObjHandle);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Region %p [%4.4s] - Init failure, %s\n",
|
|
ObjHandle, AcpiUtGetNodeName (ObjHandle),
|
|
AcpiFormatException (Status)));
|
|
}
|
|
|
|
Info->OpRegionCount++;
|
|
break;
|
|
|
|
|
|
case ACPI_TYPE_METHOD:
|
|
|
|
Info->MethodCount++;
|
|
|
|
/* Print a dot for each method unless we are going to print the entire pathname */
|
|
|
|
if (!(AcpiDbgLevel & ACPI_LV_INIT_NAMES))
|
|
{
|
|
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, "."));
|
|
}
|
|
|
|
/*
|
|
* Set the execution data width (32 or 64) based upon the
|
|
* revision number of the parent ACPI table.
|
|
* TBD: This is really for possible future support of integer width
|
|
* on a per-table basis. Currently, we just use a global for the width.
|
|
*/
|
|
if (Info->TableDesc->Pointer->Revision == 1)
|
|
{
|
|
((ACPI_NAMESPACE_NODE *) ObjHandle)->Flags |= ANOBJ_DATA_WIDTH_32;
|
|
}
|
|
|
|
/*
|
|
* Always parse methods to detect errors, we will delete
|
|
* the parse tree below
|
|
*/
|
|
Status = AcpiDsParseMethod (ObjHandle);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Method %p [%4.4s] - parse failure, %s\n",
|
|
ObjHandle, AcpiUtGetNodeName (ObjHandle),
|
|
AcpiFormatException (Status)));
|
|
|
|
/* This parse failed, but we will continue parsing more methods */
|
|
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* Delete the parse tree. We simply re-parse the method
|
|
* for every execution since there isn't much overhead
|
|
*/
|
|
AcpiNsDeleteNamespaceSubtree (ObjHandle);
|
|
AcpiNsDeleteNamespaceByOwner (((ACPI_NAMESPACE_NODE *) ObjHandle)->Object->Method.OwningId);
|
|
break;
|
|
|
|
|
|
case ACPI_TYPE_DEVICE:
|
|
|
|
Info->DeviceCount++;
|
|
break;
|
|
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* We ignore errors from above, and always return OK, since
|
|
* we don't want to abort the walk on a single error.
|
|
*/
|
|
return (AE_OK);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiDsInitializeObjects
|
|
*
|
|
* PARAMETERS: TableDesc - Descriptor for parent ACPI table
|
|
* StartNode - Root of subtree to be initialized.
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Walk the namespace starting at "StartNode" and perform any
|
|
* necessary initialization on the objects found therein
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiDsInitializeObjects (
|
|
ACPI_TABLE_DESC *TableDesc,
|
|
ACPI_NAMESPACE_NODE *StartNode)
|
|
{
|
|
ACPI_STATUS Status;
|
|
ACPI_INIT_WALK_INFO Info;
|
|
|
|
|
|
ACPI_FUNCTION_TRACE ("DsInitializeObjects");
|
|
|
|
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
|
|
"**** Starting initialization of namespace objects ****\n"));
|
|
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, "Parsing all Control Methods:"));
|
|
|
|
Info.MethodCount = 0;
|
|
Info.OpRegionCount = 0;
|
|
Info.ObjectCount = 0;
|
|
Info.DeviceCount = 0;
|
|
Info.TableDesc = TableDesc;
|
|
|
|
/* Walk entire namespace from the supplied root */
|
|
|
|
Status = AcpiWalkNamespace (ACPI_TYPE_ANY, StartNode, ACPI_UINT32_MAX,
|
|
AcpiDsInitOneObject, &Info, NULL);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "WalkNamespace failed, %s\n",
|
|
AcpiFormatException (Status)));
|
|
}
|
|
|
|
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT,
|
|
"\nTable [%4.4s](id %4.4X) - %hd Objects with %hd Devices %hd Methods %hd Regions\n",
|
|
TableDesc->Pointer->Signature, TableDesc->TableId, Info.ObjectCount,
|
|
Info.DeviceCount, Info.MethodCount, Info.OpRegionCount));
|
|
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
|
|
"%hd Methods, %hd Regions\n", Info.MethodCount, Info.OpRegionCount));
|
|
|
|
return_ACPI_STATUS (AE_OK);
|
|
}
|
|
|
|
|