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