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 #include <IOKit/IOSubMemoryDescriptor.h> 31 32 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ 33 34 IODeviceMemory * IODeviceMemory::withRange( 35 IOPhysicalAddress start, 36 IOPhysicalLength length ) 37 { 38 return( (IODeviceMemory *) IOMemoryDescriptor::withAddressRange( 39 start, length, kIODirectionNone | kIOMemoryMapperNone, NULL )); 40 } 41 42 43 IODeviceMemory * IODeviceMemory::withSubRange( 44 IODeviceMemory * of, 45 IOPhysicalAddress offset, 46 IOPhysicalLength length ) 47 { 48 return( (IODeviceMemory *) IOSubMemoryDescriptor::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 81