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 | |