1*1b191cb5SApple OSS Distributions /*
2*1b191cb5SApple OSS Distributions * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
3*1b191cb5SApple OSS Distributions *
4*1b191cb5SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*1b191cb5SApple OSS Distributions *
6*1b191cb5SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code
7*1b191cb5SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License
8*1b191cb5SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in
9*1b191cb5SApple OSS Distributions * compliance with the License. The rights granted to you under the License
10*1b191cb5SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of,
11*1b191cb5SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to
12*1b191cb5SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any
13*1b191cb5SApple OSS Distributions * terms of an Apple operating system software license agreement.
14*1b191cb5SApple OSS Distributions *
15*1b191cb5SApple OSS Distributions * Please obtain a copy of the License at
16*1b191cb5SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*1b191cb5SApple OSS Distributions *
18*1b191cb5SApple OSS Distributions * The Original Code and all software distributed under the License are
19*1b191cb5SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*1b191cb5SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*1b191cb5SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*1b191cb5SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*1b191cb5SApple OSS Distributions * Please see the License for the specific language governing rights and
24*1b191cb5SApple OSS Distributions * limitations under the License.
25*1b191cb5SApple OSS Distributions *
26*1b191cb5SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*1b191cb5SApple OSS Distributions */
28*1b191cb5SApple OSS Distributions
29*1b191cb5SApple OSS Distributions #include <IOKit/IODeviceMemory.h>
30*1b191cb5SApple OSS Distributions #include <IOKit/IOSubMemoryDescriptor.h>
31*1b191cb5SApple OSS Distributions
32*1b191cb5SApple OSS Distributions /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
33*1b191cb5SApple OSS Distributions
34*1b191cb5SApple OSS Distributions IODeviceMemory *
withRange(IOPhysicalAddress start,IOPhysicalLength length)35*1b191cb5SApple OSS Distributions IODeviceMemory::withRange(
36*1b191cb5SApple OSS Distributions IOPhysicalAddress start,
37*1b191cb5SApple OSS Distributions IOPhysicalLength length )
38*1b191cb5SApple OSS Distributions {
39*1b191cb5SApple OSS Distributions return (IODeviceMemory *) IOMemoryDescriptor::withAddressRange(
40*1b191cb5SApple OSS Distributions start, length, kIODirectionNone | kIOMemoryMapperNone, NULL );
41*1b191cb5SApple OSS Distributions }
42*1b191cb5SApple OSS Distributions
43*1b191cb5SApple OSS Distributions
44*1b191cb5SApple OSS Distributions IODeviceMemory *
withSubRange(IODeviceMemory * of,IOPhysicalAddress offset,IOPhysicalLength length)45*1b191cb5SApple OSS Distributions IODeviceMemory::withSubRange(
46*1b191cb5SApple OSS Distributions IODeviceMemory * of,
47*1b191cb5SApple OSS Distributions IOPhysicalAddress offset,
48*1b191cb5SApple OSS Distributions IOPhysicalLength length )
49*1b191cb5SApple OSS Distributions {
50*1b191cb5SApple OSS Distributions return (IODeviceMemory *) IOSubMemoryDescriptor::withSubRange(
51*1b191cb5SApple OSS Distributions of, offset, length, kIODirectionNone );
52*1b191cb5SApple OSS Distributions }
53*1b191cb5SApple OSS Distributions
54*1b191cb5SApple OSS Distributions
55*1b191cb5SApple OSS Distributions OSArray *
arrayFromList(InitElement list[],IOItemCount count)56*1b191cb5SApple OSS Distributions IODeviceMemory::arrayFromList(
57*1b191cb5SApple OSS Distributions InitElement list[],
58*1b191cb5SApple OSS Distributions IOItemCount count )
59*1b191cb5SApple OSS Distributions {
60*1b191cb5SApple OSS Distributions OSArray * array;
61*1b191cb5SApple OSS Distributions IODeviceMemory * range;
62*1b191cb5SApple OSS Distributions IOItemCount i;
63*1b191cb5SApple OSS Distributions
64*1b191cb5SApple OSS Distributions array = OSArray::withCapacity( count );
65*1b191cb5SApple OSS Distributions if (NULL == array) {
66*1b191cb5SApple OSS Distributions return NULL;
67*1b191cb5SApple OSS Distributions }
68*1b191cb5SApple OSS Distributions
69*1b191cb5SApple OSS Distributions for (i = 0; i < count; i++) {
70*1b191cb5SApple OSS Distributions range = IODeviceMemory::withRange( list[i].start, list[i].length );
71*1b191cb5SApple OSS Distributions if (range) {
72*1b191cb5SApple OSS Distributions range->setTag( list[i].tag );
73*1b191cb5SApple OSS Distributions array->setObject( range);
74*1b191cb5SApple OSS Distributions range->release();
75*1b191cb5SApple OSS Distributions } else {
76*1b191cb5SApple OSS Distributions array->release();
77*1b191cb5SApple OSS Distributions array = NULL;
78*1b191cb5SApple OSS Distributions break;
79*1b191cb5SApple OSS Distributions }
80*1b191cb5SApple OSS Distributions }
81*1b191cb5SApple OSS Distributions
82*1b191cb5SApple OSS Distributions return array;
83*1b191cb5SApple OSS Distributions }
84