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1 /*
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
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.
11 *
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
14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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.
19 *
20 * @APPLE_LICENSE_HEADER_END@
21 */
22 /*
23 * Copyright (c) 1992 NeXT Computer, Inc.
24 *
25 * Intel386 Family: Segment selector.
26 *
27 * HISTORY
28 *
29 * 29 March 1992 ? at NeXT
30 * Created.
31 */
32
33 /*
34 * Segment selector.
35 */
36
37 #ifndef __XNU_ARCH_I386_SEL_H
38 #define __XNU_ARCH_I386_SEL_H
39
40 typedef struct sel {
41 unsigned short rpl :2,
42 #define KERN_PRIV 0
43 #define USER_PRIV 3
44 ti :1,
45 #define SEL_GDT 0
46 #define SEL_LDT 1
47 index :13;
48 } sel_t;
49
50 #define NULL_SEL ((sel_t) { 0, 0, 0 } )
51
52 #endif /* __XNU_ARCH_I386_SEL_H */