diff options
Diffstat (limited to 'sys/contrib/dev/acpica/dsinit.c')
| -rw-r--r-- | sys/contrib/dev/acpica/dsinit.c | 299 |
1 files changed, 299 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/dsinit.c b/sys/contrib/dev/acpica/dsinit.c new file mode 100644 index 0000000..32335e5 --- /dev/null +++ b/sys/contrib/dev/acpica/dsinit.c @@ -0,0 +1,299 @@ +/****************************************************************************** + * + * Module Name: dsinit - Object initialization namespace walk + * $Revision: 1.28 $ + * + *****************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999 - 2007, 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> +#include <contrib/dev/acpica/actables.h> + +#define _COMPONENT ACPI_DISPATCHER + ACPI_MODULE_NAME ("dsinit") + +/* Local prototypes */ + +static ACPI_STATUS +AcpiDsInitOneObject ( + ACPI_HANDLE ObjHandle, + UINT32 Level, + void *Context, + void **ReturnValue); + + +/******************************************************************************* + * + * FUNCTION: AcpiDsInitOneObject + * + * PARAMETERS: ObjHandle - Node for the object + * 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 + * + ******************************************************************************/ + +static ACPI_STATUS +AcpiDsInitOneObject ( + ACPI_HANDLE ObjHandle, + UINT32 Level, + void *Context, + void **ReturnValue) +{ + ACPI_INIT_WALK_INFO *Info = (ACPI_INIT_WALK_INFO *) Context; + ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) ObjHandle; + ACPI_OBJECT_TYPE Type; + ACPI_STATUS Status; + + + ACPI_FUNCTION_ENTRY (); + + + /* + * We are only interested in NS nodes owned by the table that + * was just loaded + */ + if (Node->OwnerId != Info->OwnerId) + { + 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_EXCEPTION ((AE_INFO, Status, + "During Region initialization %p [%4.4s]", + ObjHandle, AcpiUtGetNodeName (ObjHandle))); + } + + Info->OpRegionCount++; + break; + + + case ACPI_TYPE_METHOD: + + Info->MethodCount++; + 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_NATIVE_UINT TableIndex, + ACPI_NAMESPACE_NODE *StartNode) +{ + ACPI_STATUS Status; + ACPI_INIT_WALK_INFO Info; + ACPI_TABLE_HEADER *Table; + ACPI_OWNER_ID OwnerId; + + + ACPI_FUNCTION_TRACE (DsInitializeObjects); + + + Status = AcpiTbGetOwnerId (TableIndex, &OwnerId); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + 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.TableIndex = TableIndex; + Info.OwnerId = OwnerId; + + /* Walk entire namespace from the supplied root */ + + Status = AcpiWalkNamespace (ACPI_TYPE_ANY, StartNode, ACPI_UINT32_MAX, + AcpiDsInitOneObject, &Info, NULL); + if (ACPI_FAILURE (Status)) + { + ACPI_EXCEPTION ((AE_INFO, Status, "During WalkNamespace")); + } + + Status = AcpiGetTableByIndex (TableIndex, &Table); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, + "\nTable [%4.4s](id %4.4X) - %hd Objects with %hd Devices %hd Methods %hd Regions\n", + Table->Signature, OwnerId, 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); +} + + |
