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1/*
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
2d21ac55 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
1c79356b 5 *
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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. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
8f6c56a5 14 *
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15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
8f6c56a5
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20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
8f6c56a5 25 *
2d21ac55 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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27 */
28/*
29 * @OSF_COPYRIGHT@
30 */
31/*
32 * Mach Operating System
33 * Copyright (c) 1991,1990 Carnegie Mellon University
34 * All Rights Reserved.
35 *
36 * Permission to use, copy, modify and distribute this software and its
37 * documentation is hereby granted, provided that both the copyright
38 * notice and this permission notice appear in all copies of the
39 * software, derivative works or modified versions, and any portions
40 * thereof, and that both notices appear in supporting documentation.
41 *
42 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
43 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
44 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
45 *
46 * Carnegie Mellon requests users of this software to return to
47 *
48 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
49 * School of Computer Science
50 * Carnegie Mellon University
51 * Pittsburgh PA 15213-3890
52 *
53 * any improvements or extensions that they make and grant Carnegie Mellon
54 * the rights to redistribute these changes.
55 */
56/*
57 */
58
59/*
b0d623f7 60 * "Local" descriptor table. At the moment, all tasks use the
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61 * same LDT.
62 */
63#include <i386/seg.h>
1c79356b 64
91447636 65
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66struct real_descriptor master_ldt[LDTSZ] __attribute__ ((aligned (4096))) = {
67#ifdef __i386__
6d2010ae 68 [SEL_TO_INDEX(SYSENTER_CS)] = MAKE_REAL_DESCRIPTOR( /* kernel code (sysenter) */
0c530ab8 69 0,
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70 0xfffff,
71 SZ_32|SZ_G,
72 ACC_P|ACC_PL_K|ACC_CODE_R
73 ),
6d2010ae 74 [SEL_TO_INDEX(SYSENTER_DS)] = MAKE_REAL_DESCRIPTOR( /* kernel data (sysenter) */
0c530ab8 75 0,
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76 0xfffff,
77 SZ_32|SZ_G,
78 ACC_P|ACC_PL_K|ACC_DATA_W
79 ),
6d2010ae 80 [SEL_TO_INDEX(USER_CS)] = MAKE_REAL_DESCRIPTOR( /* user code segment */
0c530ab8 81 0,
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82 0xfffff,
83 SZ_32|SZ_G,
84 ACC_P|ACC_PL_U|ACC_CODE_R
85 ),
6d2010ae 86 [SEL_TO_INDEX(USER_DS)] = MAKE_REAL_DESCRIPTOR( /* user data segment */
0c530ab8 87 0,
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88 0xfffff,
89 SZ_32|SZ_G,
90 ACC_P|ACC_PL_U|ACC_DATA_W
91 ),
6d2010ae 92 [SEL_TO_INDEX(USER64_CS)] = MAKE_REAL_DESCRIPTOR( /* user 64-bit code segment */
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93 0,
94 0xfffff,
95 SZ_64|SZ_G,
96 ACC_P|ACC_PL_U|ACC_CODE_R
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97 ),
98#endif
6d2010ae 99 [SEL_TO_INDEX(USER_CTHREAD)] = MAKE_REAL_DESCRIPTOR( /* user cthread segment */
0c530ab8 100 0,
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101 0xfffff,
102 SZ_32|SZ_G,
103 ACC_P|ACC_PL_U|ACC_DATA_W
104 ),
1c79356b 105};