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 | address: start, length, options: 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, options: 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( capacity: count ); |
65 | if (NULL == array) { |
66 | return NULL; |
67 | } |
68 | |
69 | for (i = 0; i < count; i++) { |
70 | range = IODeviceMemory::withRange( start: list[i].start, length: 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 | } |
84 | |