diff options
Diffstat (limited to 'sys/contrib/dev/acpica/Subsystem/Namespace/nseval.c')
| -rw-r--r-- | sys/contrib/dev/acpica/Subsystem/Namespace/nseval.c | 663 |
1 files changed, 0 insertions, 663 deletions
diff --git a/sys/contrib/dev/acpica/Subsystem/Namespace/nseval.c b/sys/contrib/dev/acpica/Subsystem/Namespace/nseval.c deleted file mode 100644 index 5c348534c22e..000000000000 --- a/sys/contrib/dev/acpica/Subsystem/Namespace/nseval.c +++ /dev/null @@ -1,663 +0,0 @@ -/******************************************************************************* - * - * Module Name: nseval - Object evaluation interfaces -- includes control - * method lookup and execution. - * $Revision: 83 $ - * - ******************************************************************************/ - -/****************************************************************************** - * - * 1. Copyright Notice - * - * Some or all of this work - Copyright (c) 1999, 2000, 2001, 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 __NSEVAL_C__ - -#include "acpi.h" -#include "amlcode.h" -#include "acparser.h" -#include "acinterp.h" -#include "acnamesp.h" - - -#define _COMPONENT NAMESPACE - MODULE_NAME ("nseval") - - -/******************************************************************************* - * - * FUNCTION: AcpiNsEvaluateRelative - * - * PARAMETERS: Handle - The relative containing object - * *Pathname - Name of method to execute, If NULL, the - * handle is the object to execute - * **Params - List of parameters to pass to the method, - * terminated by NULL. Params itself may be - * NULL if no parameters are being passed. - * *ReturnObject - Where to put method's return value (if - * any). If NULL, no value is returned. - * - * RETURN: Status - * - * DESCRIPTION: Find and execute the requested method using the handle as a - * scope - * - * MUTEX: Locks Namespace - * - ******************************************************************************/ - -ACPI_STATUS -AcpiNsEvaluateRelative ( - ACPI_NAMESPACE_NODE *Handle, - NATIVE_CHAR *Pathname, - ACPI_OPERAND_OBJECT **Params, - ACPI_OPERAND_OBJECT **ReturnObject) -{ - ACPI_NAMESPACE_NODE *PrefixNode; - ACPI_STATUS Status; - ACPI_NAMESPACE_NODE *Node = NULL; - NATIVE_CHAR *InternalPath = NULL; - ACPI_GENERIC_STATE ScopeInfo; - - - FUNCTION_TRACE ("NsEvaluateRelative"); - - - /* - * Must have a valid object handle - */ - if (!Handle) - { - return_ACPI_STATUS (AE_BAD_PARAMETER); - } - - /* Build an internal name string for the method */ - - Status = AcpiNsInternalizeName (Pathname, &InternalPath); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - /* Get the prefix handle and Node */ - - AcpiCmAcquireMutex (ACPI_MTX_NAMESPACE); - - PrefixNode = AcpiNsConvertHandleToEntry (Handle); - if (!PrefixNode) - { - AcpiCmReleaseMutex (ACPI_MTX_NAMESPACE); - Status = AE_BAD_PARAMETER; - goto Cleanup; - } - - /* Lookup the name in the namespace */ - - ScopeInfo.Scope.Node = PrefixNode; - Status = AcpiNsLookup (&ScopeInfo, InternalPath, ACPI_TYPE_ANY, - IMODE_EXECUTE, NS_NO_UPSEARCH, NULL, - &Node); - - AcpiCmReleaseMutex (ACPI_MTX_NAMESPACE); - - if (ACPI_FAILURE (Status)) - { - DEBUG_PRINT (ACPI_INFO, - ("NsEvaluateRelative: Object [%s] not found [%.4X]\n", - Pathname, AcpiCmFormatException (Status))); - goto Cleanup; - } - - /* - * Now that we have a handle to the object, we can attempt - * to evaluate it. - */ - - DEBUG_PRINT (ACPI_INFO, - ("NsEvaluateRelative: %s [%p] Value %p\n", - Pathname, Node, Node->Object)); - - Status = AcpiNsEvaluateByHandle (Node, Params, ReturnObject); - - DEBUG_PRINT (ACPI_INFO, - ("NsEvaluateRelative: *** Completed eval of object %s ***\n", - Pathname)); - -Cleanup: - - /* Cleanup */ - - AcpiCmFree (InternalPath); - - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiNsEvaluateByName - * - * PARAMETERS: Pathname - Fully qualified pathname to the object - * *ReturnObject - Where to put method's return value (if - * any). If NULL, no value is returned. - * **Params - List of parameters to pass to the method, - * terminated by NULL. Params itself may be - * NULL if no parameters are being passed. - * - * RETURN: Status - * - * DESCRIPTION: Find and execute the requested method passing the given - * parameters - * - * MUTEX: Locks Namespace - * - ******************************************************************************/ - -ACPI_STATUS -AcpiNsEvaluateByName ( - NATIVE_CHAR *Pathname, - ACPI_OPERAND_OBJECT **Params, - ACPI_OPERAND_OBJECT **ReturnObject) -{ - ACPI_STATUS Status; - ACPI_NAMESPACE_NODE *Node = NULL; - NATIVE_CHAR *InternalPath = NULL; - - - FUNCTION_TRACE ("NsEvaluateByName"); - - - /* Build an internal name string for the method */ - - Status = AcpiNsInternalizeName (Pathname, &InternalPath); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - AcpiCmAcquireMutex (ACPI_MTX_NAMESPACE); - - /* Lookup the name in the namespace */ - - Status = AcpiNsLookup (NULL, InternalPath, ACPI_TYPE_ANY, - IMODE_EXECUTE, NS_NO_UPSEARCH, NULL, - &Node); - - AcpiCmReleaseMutex (ACPI_MTX_NAMESPACE); - - if (ACPI_FAILURE (Status)) - { - DEBUG_PRINT (ACPI_INFO, - ("NsEvaluateByName: Object at [%s] was not found, status=%.4X\n", - Pathname, Status)); - goto Cleanup; - } - - /* - * Now that we have a handle to the object, we can attempt - * to evaluate it. - */ - - DEBUG_PRINT (ACPI_INFO, - ("NsEvaluateByName: %s [%p] Value %p\n", - Pathname, Node, Node->Object)); - - Status = AcpiNsEvaluateByHandle (Node, Params, ReturnObject); - - DEBUG_PRINT (ACPI_INFO, - ("NsEvaluateByName: *** Completed eval of object %s ***\n", - Pathname)); - - -Cleanup: - - /* Cleanup */ - - if (InternalPath) - { - AcpiCmFree (InternalPath); - } - - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiNsEvaluateByHandle - * - * PARAMETERS: Handle - Method Node to execute - * **Params - List of parameters to pass to the method, - * terminated by NULL. Params itself may be - * NULL if no parameters are being passed. - * *ReturnObject - Where to put method's return value (if - * any). If NULL, no value is returned. - * - * RETURN: Status - * - * DESCRIPTION: Execute the requested method passing the given parameters - * - * MUTEX: Locks Namespace - * - ******************************************************************************/ - -ACPI_STATUS -AcpiNsEvaluateByHandle ( - ACPI_NAMESPACE_NODE *Handle, - ACPI_OPERAND_OBJECT **Params, - ACPI_OPERAND_OBJECT **ReturnObject) -{ - ACPI_NAMESPACE_NODE *Node; - ACPI_STATUS Status; - ACPI_OPERAND_OBJECT *LocalReturnObject; - - - FUNCTION_TRACE ("NsEvaluateByHandle"); - - - /* Check if namespace has been initialized */ - - if (!AcpiGbl_RootNode) - { - return_ACPI_STATUS (AE_NO_NAMESPACE); - } - - /* Parameter Validation */ - - if (!Handle) - { - return_ACPI_STATUS (AE_BAD_PARAMETER); - } - - if (ReturnObject) - { - /* Initialize the return value to an invalid object */ - - *ReturnObject = NULL; - } - - /* Get the prefix handle and Node */ - - AcpiCmAcquireMutex (ACPI_MTX_NAMESPACE); - - Node = AcpiNsConvertHandleToEntry (Handle); - if (!Node) - { - AcpiCmReleaseMutex (ACPI_MTX_NAMESPACE); - return_ACPI_STATUS (AE_BAD_PARAMETER); - } - - - /* - * Two major cases here: - * 1) The object is an actual control method -- execute it. - * 2) The object is not a method -- just return it's current - * value - * - * In both cases, the namespace is unlocked by the - * AcpiNs* procedure - */ - if (AcpiNsGetType (Node) == ACPI_TYPE_METHOD) - { - /* - * Case 1) We have an actual control method to execute - */ - Status = AcpiNsExecuteControlMethod (Node, Params, - &LocalReturnObject); - } - - else - { - /* - * Case 2) Object is NOT a method, just return its - * current value - */ - Status = AcpiNsGetObjectValue (Node, &LocalReturnObject); - } - - - /* - * Check if there is a return value on the stack that must - * be dealt with - */ - if (Status == AE_CTRL_RETURN_VALUE) - { - /* - * If the Method returned a value and the caller - * provided a place to store a returned value, Copy - * the returned value to the object descriptor provided - * by the caller. - */ - if (ReturnObject) - { - /* - * Valid return object, copy the pointer to - * the returned object - */ - *ReturnObject = LocalReturnObject; - } - - - /* Map AE_RETURN_VALUE to AE_OK, we are done with it */ - - if (Status == AE_CTRL_RETURN_VALUE) - { - Status = AE_OK; - } - } - - /* - * Namespace was unlocked by the handling AcpiNs* function, - * so we just return - */ - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiNsExecuteControlMethod - * - * PARAMETERS: MethodNode - The object/method - * **Params - List of parameters to pass to the method, - * terminated by NULL. Params itself may be - * NULL if no parameters are being passed. - * **ReturnObjDesc - List of result objects to be returned - * from the method. - * - * RETURN: Status - * - * DESCRIPTION: Execute the requested method passing the given parameters - * - * MUTEX: Assumes namespace is locked - * - ******************************************************************************/ - -ACPI_STATUS -AcpiNsExecuteControlMethod ( - ACPI_NAMESPACE_NODE *MethodNode, - ACPI_OPERAND_OBJECT **Params, - ACPI_OPERAND_OBJECT **ReturnObjDesc) -{ - ACPI_STATUS Status; - ACPI_OPERAND_OBJECT *ObjDesc; - - - FUNCTION_TRACE ("NsExecuteControlMethod"); - - - /* - * Unlock the namespace before execution. This allows namespace access - * via the external Acpi* interfaces while a method is being executed. - * However, any namespace deletion must acquire both the namespace and - * interpreter locks to ensure that no thread is using the portion of the - * namespace that is being deleted. - */ - - AcpiCmReleaseMutex (ACPI_MTX_NAMESPACE); - - /* Verify that there is a method associated with this object */ - - ObjDesc = AcpiNsGetAttachedObject ((ACPI_HANDLE) MethodNode); - if (!ObjDesc) - { - DEBUG_PRINT (ACPI_ERROR, - ("Control method is undefined (nil value)\n")); - return_ACPI_STATUS (AE_ERROR); - } - - - DEBUG_PRINT (ACPI_INFO, ("Control method at Offset %x Length %lx]\n", - ObjDesc->Method.Pcode + 1, - ObjDesc->Method.PcodeLength - 1)); - - DUMP_PATHNAME (MethodNode, "NsExecuteControlMethod: Executing", - TRACE_NAMES, _COMPONENT); - - DEBUG_PRINT (TRACE_NAMES, - ("At offset %8XH\n", ObjDesc->Method.Pcode + 1)); - - /* - * Execute the method via the interpreter - */ - Status = AcpiAmlExecuteMethod (MethodNode, Params, ReturnObjDesc); - - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiNsGetObjectValue - * - * PARAMETERS: Node - The object - * - * RETURN: Status - * - * DESCRIPTION: Return the current value of the object - * - * MUTEX: Assumes namespace is locked - * - ******************************************************************************/ - -ACPI_STATUS -AcpiNsGetObjectValue ( - ACPI_NAMESPACE_NODE *Node, - ACPI_OPERAND_OBJECT **ReturnObjDesc) -{ - ACPI_STATUS Status = AE_OK; - ACPI_OPERAND_OBJECT *ObjDesc; - ACPI_OPERAND_OBJECT *ValDesc; - - - FUNCTION_TRACE ("NsGetObjectValue"); - - - /* - * We take the value from certain objects directly - */ - - if ((Node->Type == ACPI_TYPE_PROCESSOR) || - (Node->Type == ACPI_TYPE_POWER)) - { - /* - * Create a Reference object to contain the object - */ - ObjDesc = AcpiCmCreateInternalObject (Node->Type); - if (!ObjDesc) - { - Status = AE_NO_MEMORY; - goto UnlockAndExit; - } - - /* - * Get the attached object - */ - - ValDesc = AcpiNsGetAttachedObject (Node); - if (!ValDesc) - { - Status = AE_NULL_OBJECT; - goto UnlockAndExit; - } - - /* - * Just copy from the original to the return object - * - * TBD: [Future] - need a low-level object copy that handles - * the reference count automatically. (Don't want to copy it) - */ - - MEMCPY (ObjDesc, ValDesc, sizeof (ACPI_OPERAND_OBJECT)); - ObjDesc->Common.ReferenceCount = 1; - } - - - /* - * Other objects require a reference object wrapper which we - * then attempt to resolve. - */ - else - { - /* Create an Reference object to contain the object */ - - ObjDesc = AcpiCmCreateInternalObject (INTERNAL_TYPE_REFERENCE); - if (!ObjDesc) - { - Status = AE_NO_MEMORY; - goto UnlockAndExit; - } - - /* Construct a descriptor pointing to the name */ - - ObjDesc->Reference.OpCode = (UINT8) AML_NAME_OP; - ObjDesc->Reference.Object = (void *) Node; - - /* - * Use AcpiAmlResolveToValue() to get the associated value. - * The call to AcpiAmlResolveToValue causes - * ObjDesc (allocated above) to always be deleted. - * - * NOTE: we can get away with passing in NULL for a walk state - * because ObjDesc is guaranteed to not be a reference to either - * a method local or a method argument - * - * Even though we do not technically need to use the interpreter - * for this, we must enter it because we could hit an opregion. - * The opregion access code assumes it is in the interpreter. - */ - - AcpiAmlEnterInterpreter(); - - Status = AcpiAmlResolveToValue (&ObjDesc, NULL); - - AcpiAmlExitInterpreter(); - } - - /* - * If AcpiAmlResolveToValue() succeeded, the return value was - * placed in ObjDesc. - */ - - if (ACPI_SUCCESS (Status)) - { - Status = AE_CTRL_RETURN_VALUE; - - *ReturnObjDesc = ObjDesc; - DEBUG_PRINT (ACPI_INFO, - ("NsGetObjectValue: Returning obj %p\n", *ReturnObjDesc)); - } - - -UnlockAndExit: - - /* Unlock the namespace */ - - AcpiCmReleaseMutex (ACPI_MTX_NAMESPACE); - return_ACPI_STATUS (Status); -} |