1/*
2 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_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. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23/*
24 * Copyright (c) 1992 NeXT Computer, Inc.
25 *
26 * Intel386 Family:	Special processor registers.
27 *
28 * HISTORY
29 *
30 * 5 April 1992 ? at NeXT
31 *	Created.
32 */
33
34#ifndef _ARCH_I386_CPU_H_
35#define _ARCH_I386_CPU_H_
36
37/*
38 * Control register 0
39 */
40
41typedef struct _cr0 {
42    unsigned int	pe	:1,
43    			mp	:1,
44			em	:1,
45			ts	:1,
46				:1,
47			ne	:1,
48				:10,
49			wp	:1,
50				:1,
51			am	:1,
52				:10,
53			nw	:1,
54			cd	:1,
55			pg	:1;
56} cr0_t;
57
58/*
59 * Debugging register 6
60 */
61
62typedef struct _dr6 {
63    unsigned int	b0	:1,
64    			b1	:1,
65			b2	:1,
66			b3	:1,
67				:9,
68			bd	:1,
69			bs	:1,
70			bt	:1,
71				:16;
72} dr6_t;
73
74#endif	/* _ARCH_I386_CPU_H_ */
75