--- xnu/xnu-12377.101.15/iokit/Kernel/IOSubMemoryDescriptor.cpp
+++ /dev/null
@@ -1,250 +0,0 @@
-/*
- * Copyright (c) 1998-2007 Apple Inc. All rights reserved.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. The rights granted to you under the License
- * may not be used to create, or enable the creation or redistribution of,
- * unlawful or unlicensed copies of an Apple operating system, or to
- * circumvent, violate, or enable the circumvention or violation of, any
- * terms of an Apple operating system software license agreement.
- *
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
- */
-
-#include <IOKit/IOSubMemoryDescriptor.h>
-#include <IOKit/IOLib.h>
-
-#include "IOKitKernelInternal.h"
-
-#define super IOMemoryDescriptor
-
-OSDefineMetaClassAndStructors(IOSubMemoryDescriptor, IOMemoryDescriptor)
-
-IOReturn
-IOSubMemoryDescriptor::redirect( task_t safeTask, bool doRedirect )
-{
-#ifdef __LP64__
-	super::redirect( safeTask, doRedirect );
-#endif /* __LP64__ */
-	return _parent->redirect( safeTask, doRedirect );
-}
-
-IOSubMemoryDescriptor *
-IOSubMemoryDescriptor::withSubRange(IOMemoryDescriptor *        of,
-    IOByteCount             offset,
-    IOByteCount             length,
-    IOOptionBits            options)
-{
-	IOSubMemoryDescriptor *self = new IOSubMemoryDescriptor;
-
-	if (self && !self->initSubRange(of, offset, length, (IODirection) options)) {
-		self->release();
-		self = NULL;
-	}
-	return self;
-}
-
-bool
-IOSubMemoryDescriptor::initSubRange( IOMemoryDescriptor * parent,
-    IOByteCount offset, IOByteCount length,
-    IODirection direction )
-{
-	if (parent && ((offset + length) > parent->getLength())) {
-		return false;
-	}
-
-	/*
-	 * We can check the _parent instance variable before having ever set it
-	 * to an initial value because I/O Kit guarantees that all our instance
-	 * variables are zeroed on an object's allocation.
-	 */
-
-	if (!_parent) {
-		if (!super::init()) {
-			return false;
-		}
-	} else {
-		/*
-		 * An existing memory descriptor is being retargeted to
-		 * point to somewhere else.  Clean up our present state.
-		 */
-
-		_parent->release();
-	}
-
-	if (parent) {
-		parent->retain();
-		_tag    = parent->getTag();
-	} else {
-		_tag    = 0;
-	}
-	_parent     = parent;
-	_start      = offset;
-	_length     = length;
-	_flags      = direction;
-	_flags |= kIOMemoryThreadSafe;
-
-#ifndef __LP64__
-	_direction  = (IODirection) (_flags & kIOMemoryDirectionMask);
-#endif /* !__LP64__ */
-
-	return true;
-}
-
-void
-IOSubMemoryDescriptor::free( void )
-{
-	if (_parent) {
-		_parent->release();
-	}
-
-	super::free();
-}
-
-addr64_t
-IOSubMemoryDescriptor::getPhysicalSegment(IOByteCount offset, IOByteCount * length, IOOptionBits options)
-{
-	addr64_t    address;
-	IOByteCount actualLength;
-
-	assert(offset <= _length);
-
-	if (length) {
-		*length = 0;
-	}
-
-	if (offset >= _length) {
-		return 0;
-	}
-
-	address = _parent->getPhysicalSegment( offset + _start, &actualLength, options );
-
-	if (address && length) {
-		*length = IOMin( _length - offset, actualLength );
-	}
-
-	return address;
-}
-
-IOReturn
-IOSubMemoryDescriptor::setPurgeable( IOOptionBits newState,
-    IOOptionBits * oldState )
-{
-	IOReturn err;
-
-	err = _parent->setPurgeable( newState, oldState );
-
-	return err;
-}
-
-IOReturn
-IOSubMemoryDescriptor::setOwnership( task_t newOwner,
-    int newLedgerTag,
-    IOOptionBits newLedgerOptions )
-{
-	IOReturn err;
-
-	if (iokit_iomd_setownership_enabled == FALSE) {
-		return kIOReturnUnsupported;
-	}
-
-	err = _parent->setOwnership( newOwner, newLedgerTag, newLedgerOptions );
-
-	return err;
-}
-
-IOReturn
-IOSubMemoryDescriptor::prepare(
-	IODirection forDirection)
-{
-	IOReturn    err;
-
-	err = _parent->prepare( forDirection);
-
-	return err;
-}
-
-IOReturn
-IOSubMemoryDescriptor::complete(
-	IODirection forDirection)
-{
-	IOReturn    err;
-
-	err = _parent->complete( forDirection);
-
-	return err;
-}
-
-IOMemoryMap *
-IOSubMemoryDescriptor::makeMapping(
-	IOMemoryDescriptor *    owner,
-	task_t                  intoTask,
-	IOVirtualAddress        address,
-	IOOptionBits            options,
-	IOByteCount             offset,
-	IOByteCount             length )
-{
-	IOMemoryMap * mapping = NULL;
-
-#ifndef __LP64__
-	if (!(kIOMap64Bit & options)) {
-		panic("IOSubMemoryDescriptor::makeMapping !64bit");
-	}
-#endif /* !__LP64__ */
-
-	mapping = (IOMemoryMap *) _parent->makeMapping(
-		owner,
-		intoTask,
-		address,
-		options, _start + offset, length );
-
-	return mapping;
-}
-
-uint64_t
-IOSubMemoryDescriptor::getPreparationID( void )
-{
-	uint64_t pID;
-
-	if (!super::getKernelReserved()) {
-		return kIOPreparationIDUnsupported;
-	}
-
-	pID = _parent->getPreparationID();
-	if (reserved->kernReserved[0] != pID) {
-		reserved->kernReserved[0] = pID;
-		reserved->preparationID   = kIOPreparationIDUnprepared;
-		super::setPreparationID();
-	}
-
-	return super::getPreparationID();
-}
-
-IOReturn
-IOSubMemoryDescriptor::getPageCounts(IOByteCount * residentPageCount,
-    IOByteCount * dirtyPageCount)
-{
-	return _parent->getPageCounts(residentPageCount, dirtyPageCount);
-}
-
-IOReturn
-IOSubMemoryDescriptor::getPageCounts(IOByteCount * residentPageCount,
-    IOByteCount * dirtyPageCount, IOByteCount * swappedPageCount)
-{
-	return _parent->getPageCounts(residentPageCount, dirtyPageCount, swappedPageCount);
-}