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
34IODeviceMemory * IODeviceMemory::withRange(
35	IOPhysicalAddress	start,
36	IOPhysicalLength	length )
37{
38    return( (IODeviceMemory *) IOMemoryDescriptor::withAddressRange(
39			start, length, kIODirectionNone | kIOMemoryMapperNone, NULL ));
40}
41
42
43IODeviceMemory * 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
53OSArray * 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