| | 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 * |
| | 35 | IODeviceMemory::withRange( |
| | 36 | IOPhysicalAddress start, |
| | 37 | IOPhysicalLength length ) |
| | 38 | { |
| | 39 | return (IODeviceMemory *) IOMemoryDescriptor::withAddressRange( |
| | 40 | start, length, kIODirectionNone | kIOMemoryMapperNone, NULL ); |
| | 41 | } |
| | 42 | |
| | 43 | |
| | 44 | IODeviceMemory * |
| | 45 | IODeviceMemory::withSubRange( |
| | 46 | IODeviceMemory * of, |
| | 47 | IOPhysicalAddress offset, |
| | 48 | IOPhysicalLength length ) |
| | 49 | { |
| | 50 | return (IODeviceMemory *) IOSubMemoryDescriptor::withSubRange( |
| | 51 | of, offset, length, kIODirectionNone ); |
| | 52 | } |
| | 53 | |
| | 54 | |
| | 55 | OSArray * |
| | 56 | IODeviceMemory::arrayFromList( |
| | 57 | InitElement list[], |
| | 58 | IOItemCount count ) |
| | 59 | { |
| | 60 | OSArray * array; |
| | 61 | IODeviceMemory * range; |
| | 62 | IOItemCount i; |
| | 63 | |
| | 64 | array = OSArray::withCapacity( count ); |
| | 65 | if (NULL == array) { |
| | 66 | return NULL; |
| | 67 | } |
| | 68 | |
| | 69 | for (i = 0; i < count; i++) { |
| | 70 | range = IODeviceMemory::withRange( list[i].start, list[i].length ); |
| | 71 | if (range) { |
| | 72 | range->setTag( list[i].tag ); |
| | 73 | array->setObject( range); |
| | 74 | range->release(); |
| | 75 | } else { |
| | 76 | array->release(); |
| | 77 | array = NULL; |
| | 78 | break; |
| | 79 | } |
| | 80 | } |
| | 81 | |
| | 82 | return array; |
| | 83 | } |
projects / apple / xnu.git / blame_incremental