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1 | /* |
2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. | |
3 | * | |
6601e61a | 4 | * @APPLE_LICENSE_HEADER_START@ |
1c79356b | 5 | * |
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6 | * The contents of this file constitute Original Code as defined in and |
7 | * are subject to the Apple Public Source License Version 1.1 (the | |
8 | * "License"). You may not use this file except in compliance with the | |
9 | * License. Please obtain a copy of the License at | |
10 | * http://www.apple.com/publicsource and read it before using this file. | |
8f6c56a5 | 11 | * |
6601e61a A |
12 | * This Original Code and all software distributed under the License are |
13 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
8f6c56a5 A |
14 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
15 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
6601e61a A |
16 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the |
17 | * License for the specific language governing rights and limitations | |
18 | * under the License. | |
8f6c56a5 | 19 | * |
6601e61a | 20 | * @APPLE_LICENSE_HEADER_END@ |
1c79356b A |
21 | */ |
22 | /* | |
23 | * Copyright (c) 1992 NeXT Computer, Inc. | |
24 | * | |
25 | * Intel386 Family: Special processor registers. | |
26 | * | |
27 | * HISTORY | |
28 | * | |
29 | * 5 April 1992 ? at NeXT | |
30 | * Created. | |
31 | */ | |
32 | ||
33 | /* | |
34 | * Control register 0 | |
35 | */ | |
36 | ||
37 | typedef struct _cr0 { | |
38 | unsigned int pe :1, | |
39 | mp :1, | |
40 | em :1, | |
41 | ts :1, | |
42 | :1, | |
43 | ne :1, | |
44 | :10, | |
45 | wp :1, | |
46 | :1, | |
47 | am :1, | |
48 | :10, | |
49 | nw :1, | |
50 | cd :1, | |
51 | pg :1; | |
52 | } cr0_t; | |
53 | ||
54 | /* | |
55 | * Debugging register 6 | |
56 | */ | |
57 | ||
58 | typedef struct _dr6 { | |
59 | unsigned int b0 :1, | |
60 | b1 :1, | |
61 | b2 :1, | |
62 | b3 :1, | |
63 | :9, | |
64 | bd :1, | |
65 | bs :1, | |
66 | bt :1, | |
67 | :16; | |
68 | } dr6_t; |