1/* 2 * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 29#include <IOKit/IODeviceMemory.h> 30 31/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ 32 33IODeviceMemory * IODeviceMemory::withRange( 34 IOPhysicalAddress start, 35 IOPhysicalLength length ) 36{ 37 return( (IODeviceMemory *) IOMemoryDescriptor::withPhysicalAddress( 38 start, length, kIODirectionNone )); 39} 40 41 42IODeviceMemory * IODeviceMemory::withSubRange( 43 IODeviceMemory * of, 44 IOPhysicalAddress offset, 45 IOPhysicalLength length ) 46{ 47 return( (IODeviceMemory *) IOMemoryDescriptor::withSubRange( 48 of, offset, length, kIODirectionNone )); 49} 50 51 52OSArray * IODeviceMemory::arrayFromList( 53 InitElement list[], 54 IOItemCount count ) 55{ 56 OSArray * array; 57 IODeviceMemory * range; 58 IOItemCount i; 59 60 array = OSArray::withCapacity( count ); 61 if( 0 == array ) 62 return( 0); 63 64 for( i = 0; i < count; i++) { 65 range = IODeviceMemory::withRange( list[i].start, list[i].length ); 66 if( range) { 67 range->setTag( list[i].tag ); 68 array->setObject( range); 69 range->release(); 70 } else { 71 array->release(); 72 array = 0; 73 break; 74 } 75 } 76 77 return( array ); 78} 79 80