Return to IODeviceMemory.cpp CVS log

Up to [Apple XNU] / XNU / iokit / Kernel

Annotation of XNU/iokit/Kernel/IODeviceMemory.cpp, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: /*
        !            23:  * Copyright (c) 1998 Apple Computer, Inc.  All rights reserved. 
        !            24:  *
        !            25:  * HISTORY
        !            26:  * 23 Nov 98 sdouglas created.
        !            27:  * 30 Sep 99 sdouglas, merged IODeviceMemory into IOMemoryDescriptor.
        !            28:  */
        !            29: 
        !            30: #include <IOKit/IODeviceMemory.h>
        !            31: 
        !            32: /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
        !            33: 
        !            34: IODeviceMemory * IODeviceMemory::withRange( 
        !            35:        IOPhysicalAddress       start,
        !            36:        IOPhysicalLength        length )
        !            37: {
        !            38:     return( (IODeviceMemory *) IOMemoryDescriptor::withPhysicalAddress(
        !            39:                        start, length, kIODirectionNone ));
        !            40: }
        !            41: 
        !            42: 
        !            43: IODeviceMemory * IODeviceMemory::withSubRange( 
        !            44:        IODeviceMemory *        of,
        !            45:        IOPhysicalAddress       offset,
        !            46:        IOPhysicalLength        length )
        !            47: {
        !            48:     return( (IODeviceMemory *) IOMemoryDescriptor::withSubRange(
        !            49:                of, offset, length, kIODirectionNone ));
        !            50: }
        !            51: 
        !            52: 
        !            53: OSArray * IODeviceMemory::arrayFromList(
        !            54:        InitElement             list[],
        !            55:        IOItemCount             count )
        !            56: {
        !            57:     OSArray *          array;
        !            58:     IODeviceMemory *   range;
        !            59:     IOItemCount                i;
        !            60: 
        !            61:     array = OSArray::withCapacity( count );
        !            62:     if( 0 == array )
        !            63:        return( 0);
        !            64: 
        !            65:     for( i = 0; i < count; i++) {
        !            66:        range = IODeviceMemory::withRange( list[i].start, list[i].length );
        !            67:        if( range) {
        !            68:            range->setTag( list[i].tag );
        !            69:            array->setObject( range);
        !            70:            range->release();
        !            71:        } else {
        !            72:            array->release();
        !            73:            array = 0;
        !            74:            break;
        !            75:        }
        !            76:     }
        !            77: 
        !            78:     return( array );
        !            79: }
        !            80: 

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.