diff options
Diffstat (limited to 'sys/contrib/dev/acpica/exresolv.c')
| -rw-r--r-- | sys/contrib/dev/acpica/exresolv.c | 639 |
1 files changed, 0 insertions, 639 deletions
diff --git a/sys/contrib/dev/acpica/exresolv.c b/sys/contrib/dev/acpica/exresolv.c deleted file mode 100644 index b15e86b..0000000 --- a/sys/contrib/dev/acpica/exresolv.c +++ /dev/null @@ -1,639 +0,0 @@ - -/****************************************************************************** - * - * Module Name: exresolv - AML Interpreter object resolution - * $Revision: 1.142 $ - * - *****************************************************************************/ - -/****************************************************************************** - * - * 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 __EXRESOLV_C__ - -#include <contrib/dev/acpica/acpi.h> -#include <contrib/dev/acpica/amlcode.h> -#include <contrib/dev/acpica/acdispat.h> -#include <contrib/dev/acpica/acinterp.h> -#include <contrib/dev/acpica/acnamesp.h> -#include <contrib/dev/acpica/acparser.h> - - -#define _COMPONENT ACPI_EXECUTER - ACPI_MODULE_NAME ("exresolv") - -/* Local prototypes */ - -static ACPI_STATUS -AcpiExResolveObjectToValue ( - ACPI_OPERAND_OBJECT **StackPtr, - ACPI_WALK_STATE *WalkState); - - -/******************************************************************************* - * - * FUNCTION: AcpiExResolveToValue - * - * PARAMETERS: **StackPtr - Points to entry on ObjStack, which can - * be either an (ACPI_OPERAND_OBJECT *) - * or an ACPI_HANDLE. - * WalkState - Current method state - * - * RETURN: Status - * - * DESCRIPTION: Convert Reference objects to values - * - ******************************************************************************/ - -ACPI_STATUS -AcpiExResolveToValue ( - ACPI_OPERAND_OBJECT **StackPtr, - ACPI_WALK_STATE *WalkState) -{ - ACPI_STATUS Status; - - - ACPI_FUNCTION_TRACE_PTR (ExResolveToValue, StackPtr); - - - if (!StackPtr || !*StackPtr) - { - ACPI_ERROR ((AE_INFO, "Internal - null pointer")); - return_ACPI_STATUS (AE_AML_NO_OPERAND); - } - - /* - * The entity pointed to by the StackPtr can be either - * 1) A valid ACPI_OPERAND_OBJECT, or - * 2) A ACPI_NAMESPACE_NODE (NamedObj) - */ - if (ACPI_GET_DESCRIPTOR_TYPE (*StackPtr) == ACPI_DESC_TYPE_OPERAND) - { - Status = AcpiExResolveObjectToValue (StackPtr, WalkState); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - if (!*StackPtr) - { - ACPI_ERROR ((AE_INFO, "Internal - null pointer")); - return_ACPI_STATUS (AE_AML_NO_OPERAND); - } - } - - /* - * Object on the stack may have changed if AcpiExResolveObjectToValue() - * was called (i.e., we can't use an _else_ here.) - */ - if (ACPI_GET_DESCRIPTOR_TYPE (*StackPtr) == ACPI_DESC_TYPE_NAMED) - { - Status = AcpiExResolveNodeToValue ( - ACPI_CAST_INDIRECT_PTR (ACPI_NAMESPACE_NODE, StackPtr), - WalkState); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - } - - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Resolved object %p\n", *StackPtr)); - return_ACPI_STATUS (AE_OK); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiExResolveObjectToValue - * - * PARAMETERS: StackPtr - Pointer to an internal object - * WalkState - Current method state - * - * RETURN: Status - * - * DESCRIPTION: Retrieve the value from an internal object. The Reference type - * uses the associated AML opcode to determine the value. - * - ******************************************************************************/ - -static ACPI_STATUS -AcpiExResolveObjectToValue ( - ACPI_OPERAND_OBJECT **StackPtr, - ACPI_WALK_STATE *WalkState) -{ - ACPI_STATUS Status = AE_OK; - ACPI_OPERAND_OBJECT *StackDesc; - ACPI_OPERAND_OBJECT *ObjDesc = NULL; - UINT16 Opcode; - - - ACPI_FUNCTION_TRACE (ExResolveObjectToValue); - - - StackDesc = *StackPtr; - - /* This is an ACPI_OPERAND_OBJECT */ - - switch (ACPI_GET_OBJECT_TYPE (StackDesc)) - { - case ACPI_TYPE_LOCAL_REFERENCE: - - Opcode = StackDesc->Reference.Opcode; - - switch (Opcode) - { - case AML_LOCAL_OP: - case AML_ARG_OP: - - /* - * Get the local from the method's state info - * Note: this increments the local's object reference count - */ - Status = AcpiDsMethodDataGetValue (Opcode, - StackDesc->Reference.Offset, WalkState, &ObjDesc); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Arg/Local %X] ValueObj is %p\n", - StackDesc->Reference.Offset, ObjDesc)); - - /* - * Now we can delete the original Reference Object and - * replace it with the resolved value - */ - AcpiUtRemoveReference (StackDesc); - *StackPtr = ObjDesc; - break; - - - case AML_INDEX_OP: - - switch (StackDesc->Reference.TargetType) - { - case ACPI_TYPE_BUFFER_FIELD: - - /* Just return - leave the Reference on the stack */ - break; - - - case ACPI_TYPE_PACKAGE: - - ObjDesc = *StackDesc->Reference.Where; - if (ObjDesc) - { - /* - * Valid obj descriptor, copy pointer to return value - * (i.e., dereference the package index) - * Delete the ref object, increment the returned object - */ - AcpiUtRemoveReference (StackDesc); - AcpiUtAddReference (ObjDesc); - *StackPtr = ObjDesc; - } - else - { - /* - * A NULL object descriptor means an unitialized element of - * the package, can't dereference it - */ - ACPI_ERROR ((AE_INFO, - "Attempt to deref an Index to NULL pkg element Idx=%p", - StackDesc)); - Status = AE_AML_UNINITIALIZED_ELEMENT; - } - break; - - - default: - - /* Invalid reference object */ - - ACPI_ERROR ((AE_INFO, - "Unknown TargetType %X in Index/Reference obj %p", - StackDesc->Reference.TargetType, StackDesc)); - Status = AE_AML_INTERNAL; - break; - } - break; - - - case AML_REF_OF_OP: - case AML_DEBUG_OP: - case AML_LOAD_OP: - - /* Just leave the object as-is */ - - break; - - case AML_INT_NAMEPATH_OP: /* Reference to a named object */ - - /* Dereference the name */ - - if ((StackDesc->Reference.Node->Type == ACPI_TYPE_DEVICE) || - (StackDesc->Reference.Node->Type == ACPI_TYPE_THERMAL)) - { - /* These node types do not have 'real' subobjects */ - - *StackPtr = (void *) StackDesc->Reference.Node; - } - else - { - /* Get the object pointed to by the namespace node */ - - *StackPtr = (StackDesc->Reference.Node)->Object; - AcpiUtAddReference (*StackPtr); - } - - AcpiUtRemoveReference (StackDesc); - break; - - default: - - ACPI_ERROR ((AE_INFO, - "Unknown Reference opcode %X (%s) in %p", - Opcode, AcpiPsGetOpcodeName (Opcode), StackDesc)); - Status = AE_AML_INTERNAL; - break; - } - break; - - - case ACPI_TYPE_BUFFER: - - Status = AcpiDsGetBufferArguments (StackDesc); - break; - - - case ACPI_TYPE_PACKAGE: - - Status = AcpiDsGetPackageArguments (StackDesc); - break; - - - case ACPI_TYPE_BUFFER_FIELD: - case ACPI_TYPE_LOCAL_REGION_FIELD: - case ACPI_TYPE_LOCAL_BANK_FIELD: - case ACPI_TYPE_LOCAL_INDEX_FIELD: - - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "FieldRead SourceDesc=%p Type=%X\n", - StackDesc, ACPI_GET_OBJECT_TYPE (StackDesc))); - - Status = AcpiExReadDataFromField (WalkState, StackDesc, &ObjDesc); - - /* Remove a reference to the original operand, then override */ - - AcpiUtRemoveReference (*StackPtr); - *StackPtr = (void *) ObjDesc; - break; - - default: - break; - } - - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiExResolveMultiple - * - * PARAMETERS: WalkState - Current state (contains AML opcode) - * Operand - Starting point for resolution - * ReturnType - Where the object type is returned - * ReturnDesc - Where the resolved object is returned - * - * RETURN: Status - * - * DESCRIPTION: Return the base object and type. Traverse a reference list if - * necessary to get to the base object. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiExResolveMultiple ( - ACPI_WALK_STATE *WalkState, - ACPI_OPERAND_OBJECT *Operand, - ACPI_OBJECT_TYPE *ReturnType, - ACPI_OPERAND_OBJECT **ReturnDesc) -{ - ACPI_OPERAND_OBJECT *ObjDesc = (void *) Operand; - ACPI_NAMESPACE_NODE *Node; - ACPI_OBJECT_TYPE Type; - ACPI_STATUS Status; - - - ACPI_FUNCTION_TRACE (AcpiExResolveMultiple); - - - /* Operand can be either a namespace node or an operand descriptor */ - - switch (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc)) - { - case ACPI_DESC_TYPE_OPERAND: - Type = ObjDesc->Common.Type; - break; - - case ACPI_DESC_TYPE_NAMED: - Type = ((ACPI_NAMESPACE_NODE *) ObjDesc)->Type; - ObjDesc = AcpiNsGetAttachedObject ((ACPI_NAMESPACE_NODE *) ObjDesc); - - /* If we had an Alias node, use the attached object for type info */ - - if (Type == ACPI_TYPE_LOCAL_ALIAS) - { - Type = ((ACPI_NAMESPACE_NODE *) ObjDesc)->Type; - ObjDesc = AcpiNsGetAttachedObject ((ACPI_NAMESPACE_NODE *) ObjDesc); - } - break; - - default: - return_ACPI_STATUS (AE_AML_OPERAND_TYPE); - } - - /* If type is anything other than a reference, we are done */ - - if (Type != ACPI_TYPE_LOCAL_REFERENCE) - { - goto Exit; - } - - /* - * For reference objects created via the RefOf or Index operators, - * we need to get to the base object (as per the ACPI specification - * of the ObjectType and SizeOf operators). This means traversing - * the list of possibly many nested references. - */ - while (ACPI_GET_OBJECT_TYPE (ObjDesc) == ACPI_TYPE_LOCAL_REFERENCE) - { - switch (ObjDesc->Reference.Opcode) - { - case AML_REF_OF_OP: - case AML_INT_NAMEPATH_OP: - - /* Dereference the reference pointer */ - - if (ObjDesc->Reference.Opcode == AML_REF_OF_OP) - { - Node = ObjDesc->Reference.Object; - } - else /* AML_INT_NAMEPATH_OP */ - { - Node = ObjDesc->Reference.Node; - } - - /* All "References" point to a NS node */ - - if (ACPI_GET_DESCRIPTOR_TYPE (Node) != ACPI_DESC_TYPE_NAMED) - { - ACPI_ERROR ((AE_INFO, - "Not a NS node %p [%s]", - Node, AcpiUtGetDescriptorName (Node))); - return_ACPI_STATUS (AE_AML_INTERNAL); - } - - /* Get the attached object */ - - ObjDesc = AcpiNsGetAttachedObject (Node); - if (!ObjDesc) - { - /* No object, use the NS node type */ - - Type = AcpiNsGetType (Node); - goto Exit; - } - - /* Check for circular references */ - - if (ObjDesc == Operand) - { - return_ACPI_STATUS (AE_AML_CIRCULAR_REFERENCE); - } - break; - - - case AML_INDEX_OP: - - /* Get the type of this reference (index into another object) */ - - Type = ObjDesc->Reference.TargetType; - if (Type != ACPI_TYPE_PACKAGE) - { - goto Exit; - } - - /* - * The main object is a package, we want to get the type - * of the individual package element that is referenced by - * the index. - * - * This could of course in turn be another reference object. - */ - ObjDesc = *(ObjDesc->Reference.Where); - if (!ObjDesc) - { - /* NULL package elements are allowed */ - - Type = 0; /* Uninitialized */ - goto Exit; - } - break; - - - case AML_LOCAL_OP: - case AML_ARG_OP: - - if (ReturnDesc) - { - Status = AcpiDsMethodDataGetValue (ObjDesc->Reference.Opcode, - ObjDesc->Reference.Offset, WalkState, &ObjDesc); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - AcpiUtRemoveReference (ObjDesc); - } - else - { - Status = AcpiDsMethodDataGetNode (ObjDesc->Reference.Opcode, - ObjDesc->Reference.Offset, WalkState, &Node); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - ObjDesc = AcpiNsGetAttachedObject (Node); - if (!ObjDesc) - { - Type = ACPI_TYPE_ANY; - goto Exit; - } - } - break; - - - case AML_DEBUG_OP: - - /* The Debug Object is of type "DebugObject" */ - - Type = ACPI_TYPE_DEBUG_OBJECT; - goto Exit; - - - default: - - ACPI_ERROR ((AE_INFO, - "Unknown Reference subtype %X", - ObjDesc->Reference.Opcode)); - return_ACPI_STATUS (AE_AML_INTERNAL); - } - } - - /* - * Now we are guaranteed to have an object that has not been created - * via the RefOf or Index operators. - */ - Type = ACPI_GET_OBJECT_TYPE (ObjDesc); - - -Exit: - /* Convert internal types to external types */ - - switch (Type) - { - case ACPI_TYPE_LOCAL_REGION_FIELD: - case ACPI_TYPE_LOCAL_BANK_FIELD: - case ACPI_TYPE_LOCAL_INDEX_FIELD: - - Type = ACPI_TYPE_FIELD_UNIT; - break; - - case ACPI_TYPE_LOCAL_SCOPE: - - /* Per ACPI Specification, Scope is untyped */ - - Type = ACPI_TYPE_ANY; - break; - - default: - /* No change to Type required */ - break; - } - - *ReturnType = Type; - if (ReturnDesc) - { - *ReturnDesc = ObjDesc; - } - return_ACPI_STATUS (AE_OK); -} - - |
