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Diffstat (limited to 'sys/contrib/dev/acpica/utobject.c')
| -rw-r--r-- | sys/contrib/dev/acpica/utobject.c | 822 |
1 files changed, 0 insertions, 822 deletions
diff --git a/sys/contrib/dev/acpica/utobject.c b/sys/contrib/dev/acpica/utobject.c deleted file mode 100644 index 83a2d0ff6f1b..000000000000 --- a/sys/contrib/dev/acpica/utobject.c +++ /dev/null @@ -1,822 +0,0 @@ -/****************************************************************************** - * - * Module Name: cmobject - ACPI object create/delete/size/cache routines - * $Revision: 31 $ - * - *****************************************************************************/ - -/****************************************************************************** - * - * 1. Copyright Notice - * - * Some or all of this work - Copyright (c) 1999, 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 __CMOBJECT_C__ - -#include "acpi.h" -#include "acinterp.h" -#include "acnamesp.h" -#include "actables.h" -#include "amlcode.h" - - -#define _COMPONENT MISCELLANEOUS - MODULE_NAME ("cmobject") - - -/****************************************************************************** - * - * FUNCTION: _CmCreateInternalObject - * - * PARAMETERS: Address - Address of the memory to deallocate - * Component - Component type of caller - * Module - Source file name of caller - * Line - Line number of caller - * Type - ACPI Type of the new object - * - * RETURN: Object - The new object. Null on failure - * - * DESCRIPTION: Create and initialize a new internal object. - * - * NOTE: - * We always allocate the worst-case object descriptor because these - * objects are cached, and we want them to be one-size-satisifies-any-request. - * This in itself may not be the most memory efficient, but the efficiency - * of the object cache should more than make up for this! - * - ******************************************************************************/ - -ACPI_OPERAND_OBJECT * -_CmCreateInternalObject ( - NATIVE_CHAR *ModuleName, - UINT32 LineNumber, - UINT32 ComponentId, - OBJECT_TYPE_INTERNAL Type) -{ - ACPI_OPERAND_OBJECT *Object; - - - FUNCTION_TRACE_STR ("CmCreateInternalObject", AcpiCmGetTypeName (Type)); - - - /* Allocate the raw object descriptor */ - - Object = _CmAllocateObjectDesc (ModuleName, LineNumber, ComponentId); - if (!Object) - { - /* Allocation failure */ - - return_VALUE (NULL); - } - - /* Save the object type in the object descriptor */ - - Object->Common.Type = Type; - - /* Init the reference count */ - - Object->Common.ReferenceCount = 1; - - /* Any per-type initialization should go here */ - - - return_PTR (Object); -} - - -/****************************************************************************** - * - * FUNCTION: AcpiCmValidInternalObject - * - * PARAMETERS: Operand - Object to be validated - * - * RETURN: Validate a pointer to be an ACPI_OPERAND_OBJECT - * - *****************************************************************************/ - -BOOLEAN -AcpiCmValidInternalObject ( - void *Object) -{ - - /* Check for a null pointer */ - - if (!Object) - { - DEBUG_PRINT (ACPI_INFO, - ("CmValidInternalObject: **** Null Object Ptr\n")); - return (FALSE); - } - - /* Check for a pointer within one of the ACPI tables */ - - if (AcpiTbSystemTablePointer (Object)) - { - DEBUG_PRINT (ACPI_INFO, - ("CmValidInternalObject: **** Object %p is a Pcode Ptr\n", Object)); - return (FALSE); - } - - /* Check the descriptor type field */ - - if (!VALID_DESCRIPTOR_TYPE (Object, ACPI_DESC_TYPE_INTERNAL)) - { - /* Not an ACPI internal object, do some further checking */ - - if (VALID_DESCRIPTOR_TYPE (Object, ACPI_DESC_TYPE_NAMED)) - { - DEBUG_PRINT (ACPI_INFO, - ("CmValidInternalObject: **** Obj %p is a named obj, not ACPI obj\n", - Object)); - } - - else if (VALID_DESCRIPTOR_TYPE (Object, ACPI_DESC_TYPE_PARSER)) - { - DEBUG_PRINT (ACPI_INFO, - ("CmValidInternalObject: **** Obj %p is a parser obj, not ACPI obj\n", - Object)); - } - - else - { - DEBUG_PRINT (ACPI_INFO, - ("CmValidInternalObject: **** Obj %p is of unknown type\n", - Object)); - } - - return (FALSE); - } - - - /* The object appears to be a valid ACPI_OPERAND_OBJECT */ - - return (TRUE); -} - - -/***************************************************************************** - * - * FUNCTION: _CmAllocateObjectDesc - * - * PARAMETERS: ModuleName - Caller's module name (for error output) - * LineNumber - Caller's line number (for error output) - * ComponentId - Caller's component ID (for error output) - * Message - Error message to use on failure - * - * RETURN: Pointer to newly allocated object descriptor. Null on error - * - * DESCRIPTION: Allocate a new object descriptor. Gracefully handle - * error conditions. - * - ****************************************************************************/ - -void * -_CmAllocateObjectDesc ( - NATIVE_CHAR *ModuleName, - UINT32 LineNumber, - UINT32 ComponentId) -{ - ACPI_OPERAND_OBJECT *Object; - - - FUNCTION_TRACE ("_AllocateObjectDesc"); - - - AcpiCmAcquireMutex (ACPI_MTX_CACHES); - - AcpiGbl_ObjectCacheRequests++; - - /* Check the cache first */ - - if (AcpiGbl_ObjectCache) - { - /* There is an object available, use it */ - - Object = AcpiGbl_ObjectCache; - AcpiGbl_ObjectCache = Object->Cache.Next; - Object->Cache.Next = NULL; - - AcpiGbl_ObjectCacheHits++; - AcpiGbl_ObjectCacheDepth--; - - AcpiCmReleaseMutex (ACPI_MTX_CACHES); - } - - else - { - /* The cache is empty, create a new object */ - - AcpiCmReleaseMutex (ACPI_MTX_CACHES); - - /* Attempt to allocate new descriptor */ - - Object = _CmCallocate (sizeof (ACPI_OPERAND_OBJECT), ComponentId, - ModuleName, LineNumber); - if (!Object) - { - /* Allocation failed */ - - _REPORT_ERROR (ModuleName, LineNumber, ComponentId, - ("Could not allocate an object descriptor\n")); - - return_PTR (NULL); - } - - /* Memory allocation metrics - compiled out in non debug mode. */ - - INCREMENT_OBJECT_METRICS (sizeof (ACPI_OPERAND_OBJECT)); - } - - /* Mark the descriptor type */ - - Object->Common.DataType = ACPI_DESC_TYPE_INTERNAL; - - DEBUG_PRINT (TRACE_ALLOCATIONS, ("AllocateObjectDesc: %p Size 0x%x\n", - Object, sizeof (ACPI_OPERAND_OBJECT))); - - return_PTR (Object); -} - - -/***************************************************************************** - * - * FUNCTION: AcpiCmDeleteObjectDesc - * - * PARAMETERS: Object - Acpi internal object to be deleted - * - * RETURN: None. - * - * DESCRIPTION: Free an ACPI object descriptor or add it to the object cache - * - ****************************************************************************/ - -void -AcpiCmDeleteObjectDesc ( - ACPI_OPERAND_OBJECT *Object) -{ - - FUNCTION_TRACE_PTR ("AcpiCmDeleteObjectDesc", Object); - - - /* Make sure that the object isn't already in the cache */ - - if (Object->Common.DataType == (ACPI_DESC_TYPE_INTERNAL | ACPI_CACHED_OBJECT)) - { - DEBUG_PRINT (ACPI_ERROR, - ("CmDeleteObjectDesc: Obj %p is already in the object cache\n", - Object)); - return_VOID; - } - - /* Object must be an ACPI_OPERAND_OBJECT */ - - if (Object->Common.DataType != ACPI_DESC_TYPE_INTERNAL) - { - DEBUG_PRINT (ACPI_ERROR, - ("CmDeleteObjectDesc: Obj %p is not an ACPI object\n", Object)); - return_VOID; - } - - - /* If cache is full, just free this object */ - - if (AcpiGbl_ObjectCacheDepth >= MAX_OBJECT_CACHE_DEPTH) - { - /* - * Memory allocation metrics. Call the macro here since we only - * care about dynamically allocated objects. - */ - DECREMENT_OBJECT_METRICS (sizeof (ACPI_OPERAND_OBJECT)); - - AcpiCmFree (Object); - return_VOID; - } - - AcpiCmAcquireMutex (ACPI_MTX_CACHES); - - /* Clear the entire object. This is important! */ - - MEMSET (Object, 0, sizeof (ACPI_OPERAND_OBJECT)); - Object->Common.DataType = ACPI_DESC_TYPE_INTERNAL | ACPI_CACHED_OBJECT; - - /* Put the object at the head of the global cache list */ - - Object->Cache.Next = AcpiGbl_ObjectCache; - AcpiGbl_ObjectCache = Object; - AcpiGbl_ObjectCacheDepth++; - - - AcpiCmReleaseMutex (ACPI_MTX_CACHES); - return_VOID; -} - - -/****************************************************************************** - * - * FUNCTION: AcpiCmDeleteObjectCache - * - * PARAMETERS: None - * - * RETURN: Status - * - * DESCRIPTION: Purge the global state object cache. Used during subsystem - * termination. - * - ******************************************************************************/ - -void -AcpiCmDeleteObjectCache ( - void) -{ - ACPI_OPERAND_OBJECT *Next; - - - FUNCTION_TRACE ("CmDeleteObjectCache"); - - - /* Traverse the global cache list */ - - while (AcpiGbl_ObjectCache) - { - /* Delete one cached state object */ - - Next = AcpiGbl_ObjectCache->Cache.Next; - AcpiGbl_ObjectCache->Cache.Next = NULL; - - /* - * Memory allocation metrics. Call the macro here since we only - * care about dynamically allocated objects. - */ - DECREMENT_OBJECT_METRICS (sizeof (ACPI_OPERAND_OBJECT)); - - AcpiCmFree (AcpiGbl_ObjectCache); - AcpiGbl_ObjectCache = Next; - AcpiGbl_ObjectCacheDepth--; - } - - return_VOID; -} - - -/***************************************************************************** - * - * FUNCTION: AcpiCmInitStaticObject - * - * PARAMETERS: ObjDesc - Pointer to a "static" object - on stack - * or in the data segment. - * - * RETURN: None. - * - * DESCRIPTION: Initialize a static object. Sets flags to disallow dynamic - * deletion of the object. - * - ****************************************************************************/ - -void -AcpiCmInitStaticObject ( - ACPI_OPERAND_OBJECT *ObjDesc) -{ - - FUNCTION_TRACE_PTR ("CmInitStaticObject", ObjDesc); - - - if (!ObjDesc) - { - return_VOID; - } - - - /* - * Clear the entire descriptor - */ - MEMSET ((void *) ObjDesc, 0, sizeof (ACPI_OPERAND_OBJECT)); - - - /* - * Initialize the header fields - * 1) This is an ACPI_OPERAND_OBJECT descriptor - * 2) The size is the full object (worst case) - * 3) The flags field indicates static allocation - * 4) Reference count starts at one (not really necessary since the - * object can't be deleted, but keeps everything sane) - */ - - ObjDesc->Common.DataType = ACPI_DESC_TYPE_INTERNAL; - ObjDesc->Common.Flags = AOPOBJ_STATIC_ALLOCATION; - ObjDesc->Common.ReferenceCount = 1; - - return_VOID; -} - - -/****************************************************************************** - * - * FUNCTION: AcpiCmGetSimpleObjectSize - * - * PARAMETERS: *InternalObj - Pointer to the object we are examining - * *RetLength - Where the length is returned - * - * RETURN: Status - the status of the call - * - * DESCRIPTION: This function is called to determine the space required to - * contain a simple object for return to an API user. - * - * The length includes the object structure plus any additional - * needed space. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiCmGetSimpleObjectSize ( - ACPI_OPERAND_OBJECT *InternalObj, - UINT32 *ObjLength) -{ - UINT32 Length; - ACPI_STATUS Status = AE_OK; - - - FUNCTION_TRACE_PTR ("CmGetSimpleObjectSize", InternalObj); - - - /* Handle a null object (Could be a uninitialized package element -- which is legal) */ - - if (!InternalObj) - { - *ObjLength = 0; - return_ACPI_STATUS (AE_OK); - } - - - /* Start with the length of the Acpi object */ - - Length = sizeof (ACPI_OBJECT); - - if (VALID_DESCRIPTOR_TYPE (InternalObj, ACPI_DESC_TYPE_NAMED)) - { - /* Object is a named object (reference), just return the length */ - - *ObjLength = (UINT32) ROUND_UP_TO_NATIVE_WORD (Length); - return_ACPI_STATUS (Status); - } - - - /* - * The final length depends on the object type - * Strings and Buffers are packed right up against the parent object and - * must be accessed bytewise or there may be alignment problems. - * - * TBD:[Investigate] do strings and buffers require alignment also? - */ - - switch (InternalObj->Common.Type) - { - - case ACPI_TYPE_STRING: - - Length += InternalObj->String.Length; - break; - - - case ACPI_TYPE_BUFFER: - - Length += InternalObj->Buffer.Length; - break; - - - case ACPI_TYPE_NUMBER: - case ACPI_TYPE_PROCESSOR: - case ACPI_TYPE_POWER: - - /* - * No extra data for these types - */ - break; - - - case INTERNAL_TYPE_REFERENCE: - - /* - * The only type that should be here is opcode AML_NAMEPATH_OP -- since - * this means an object reference - */ - if (InternalObj->Reference.OpCode != AML_NAMEPATH_OP) - { - DEBUG_PRINT (ACPI_ERROR, - ("CmGetSimpleObjectSize: Unsupported Reference opcode=0x%X in object %p\n", - InternalObj->Reference.OpCode, InternalObj)); - Status = AE_TYPE; - } - break; - - - default: - - DEBUG_PRINT (ACPI_ERROR, - ("CmGetSimpleObjectSize: Unsupported type=0x%X in object %p\n", - InternalObj->Common.Type, InternalObj)); - Status = AE_TYPE; - break; - } - - - /* - * Account for the space required by the object rounded up to the next - * multiple of the machine word size. This keeps each object aligned - * on a machine word boundary. (preventing alignment faults on some - * machines.) - */ - *ObjLength = (UINT32) ROUND_UP_TO_NATIVE_WORD (Length); - - return_ACPI_STATUS (Status); -} - - -/****************************************************************************** - * - * FUNCTION: AcpiCmGetPackageObjectSize - * - * PARAMETERS: *InternalObj - Pointer to the object we are examining - * *RetLength - Where the length is returned - * - * RETURN: Status - the status of the call - * - * DESCRIPTION: This function is called to determine the space required to contain - * a package object for return to an API user. - * - * This is moderately complex since a package contains other objects - * including packages. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiCmGetPackageObjectSize ( - ACPI_OPERAND_OBJECT *InternalObj, - UINT32 *ObjLength) -{ - - ACPI_OPERAND_OBJECT *ThisInternalObj; - ACPI_OPERAND_OBJECT *ParentObj[MAX_PACKAGE_DEPTH]; - ACPI_OPERAND_OBJECT *ThisParent; - UINT32 ThisIndex; - UINT32 Index[MAX_PACKAGE_DEPTH]; - UINT32 Length = 0; - UINT32 ObjectSpace; - UINT32 CurrentDepth = 0; - UINT32 PackageCount = 1; - ACPI_STATUS Status; - - - FUNCTION_TRACE_PTR ("CmGetPackageObjectSize", InternalObj); - - - /* Init the package stack TBD: replace with linked list */ - - MEMSET(ParentObj, 0, MAX_PACKAGE_DEPTH); - MEMSET(Index, 0, MAX_PACKAGE_DEPTH); - - ParentObj[0] = InternalObj; - - while (1) - { - ThisParent = ParentObj[CurrentDepth]; - ThisIndex = Index[CurrentDepth]; - ThisInternalObj = ThisParent->Package.Elements[ThisIndex]; - - - /* - * Check for 1) An uninitialized package element. It is completely - * legal to declare a package and leave it uninitialized - * 2) Any type other than a package. Packages are handled - * below. - */ - - if ((!ThisInternalObj) || - (!IS_THIS_OBJECT_TYPE (ThisInternalObj, ACPI_TYPE_PACKAGE))) - { - /* - * Simple object - just get the size (Null object/entry handled - * also) - */ - - Status = - AcpiCmGetSimpleObjectSize (ThisInternalObj, &ObjectSpace); - - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - Length += ObjectSpace; - - Index[CurrentDepth]++; - while (Index[CurrentDepth] >= - ParentObj[CurrentDepth]->Package.Count) - { - /* - * We've handled all of the objects at - * this level, This means that we have - * just completed a package. That package - * may have contained one or more packages - * itself. - */ - if (CurrentDepth == 0) - { - /* - * We have handled all of the objects - * in the top level package just add the - * length of the package objects and - * get out. Round up to the next machine - * word. - */ - Length += - ROUND_UP_TO_NATIVE_WORD ( - sizeof (ACPI_OBJECT)) * - PackageCount; - - *ObjLength = Length; - - return_ACPI_STATUS (AE_OK); - } - - /* - * Go back up a level and move the index - * past the just completed package object. - */ - CurrentDepth--; - Index[CurrentDepth]++; - } - } - - else - { - /* - * This object is a package - * -- go one level deeper - */ - PackageCount++; - if (CurrentDepth < MAX_PACKAGE_DEPTH-1) - { - CurrentDepth++; - ParentObj[CurrentDepth] = ThisInternalObj; - Index[CurrentDepth] = 0; - } - - else - { - /* - * Too many nested levels of packages for us - * to handle - */ - - DEBUG_PRINT (ACPI_ERROR, - ("CmGetPackageObjectSize: Pkg nested too deep (max %d)\n", - MAX_PACKAGE_DEPTH)); - return_ACPI_STATUS (AE_LIMIT); - } - } - } -} - - -/****************************************************************************** - * - * FUNCTION: AcpiCmGetObjectSize - * - * PARAMETERS: *InternalObj - Pointer to the object we are examining - * *RetLength - Where the length will be returned - * - * RETURN: Status - the status of the call - * - * DESCRIPTION: This function is called to determine the space required to - * contain an object for return to an API user. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiCmGetObjectSize( - ACPI_OPERAND_OBJECT *InternalObj, - UINT32 *ObjLength) -{ - ACPI_STATUS Status; - - - if ((VALID_DESCRIPTOR_TYPE (InternalObj, ACPI_DESC_TYPE_INTERNAL)) && - (IS_THIS_OBJECT_TYPE (InternalObj, ACPI_TYPE_PACKAGE))) - { - Status = - AcpiCmGetPackageObjectSize (InternalObj, ObjLength); - } - - else - { - Status = - AcpiCmGetSimpleObjectSize (InternalObj, ObjLength); - } - - return (Status); -} - - |