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1 | /* |
2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. | |
3 | * | |
4 | * @APPLE_LICENSE_HEADER_START@ | |
5 | * | |
db839b1d | 6 | * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. |
04fee52e | 7 | * |
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8 | * This file contains Original Code and/or Modifications of Original Code |
9 | * as defined in and that are subject to the Apple Public Source License | |
10 | * Version 2.0 (the 'License'). You may not use this file except in | |
11 | * compliance with the License. Please obtain a copy of the License at | |
12 | * http://www.opensource.apple.com/apsl/ and read it before using this | |
13 | * file. | |
14 | * | |
15 | * The Original Code and all software distributed under the License are | |
16 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
04fee52e A |
17 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
18 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
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19 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
20 | * Please see the License for the specific language governing rights and | |
21 | * limitations under the License. | |
04fee52e A |
22 | * |
23 | * @APPLE_LICENSE_HEADER_END@ | |
24 | */ | |
25 | /* | |
26 | * device_tree.h - Data structures for the flattened device tree. | |
27 | * | |
28 | * Copyright (c) 1998-2000 Apple Computer, Inc. | |
29 | * | |
30 | * DRI: Josh de Cesare | |
31 | */ | |
32 | ||
33 | #ifndef _BOOTX_DEVICE_TREE_H_ | |
34 | #define _BOOTX_DEVICE_TREE_H_ | |
35 | ||
36 | #define kPropNameLength (32) | |
37 | #define kPropValueMaxLength (0x100000) | |
38 | ||
39 | struct DTProperty { | |
40 | char name[kPropNameLength]; // NUL terminated property name | |
41 | unsigned long length; // Length (bytes) of property value that follows | |
42 | //unsigned long value[1]; // Variable length value of property | |
43 | // Padded to a multiple of a longword | |
44 | }; | |
45 | typedef struct DTProperty DTProperty, *DTPropertyPtr; | |
46 | ||
47 | struct DTNode { | |
48 | unsigned long nProperties; // Number of props[] elements (0 => end of list) | |
49 | unsigned long nChildren; // Number of children[] elements | |
50 | //DTProperty props[]; // nProperties DeviceTreeNodeProperty structs | |
51 | //DTNode children[]; // nChildren DeviceTreeNode structs | |
52 | }; | |
53 | typedef struct DTNode DTNode, *DTNodePtr; | |
54 | ||
55 | #endif /* ! _BOOTX_DEVICE_TREE_H_ */ |