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1/*
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
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6 * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
7 *
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
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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.
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22 *
23 * @APPLE_LICENSE_HEADER_END@
24 */
25/*
26 * @OSF_COPYRIGHT@
27 */
28/*
29 * Mach Operating System
30 * Copyright (c) 1991,1990 Carnegie Mellon University
31 * All Rights Reserved.
32 *
33 * Permission to use, copy, modify and distribute this software and its
34 * documentation is hereby granted, provided that both the copyright
35 * notice and this permission notice appear in all copies of the
36 * software, derivative works or modified versions, and any portions
37 * thereof, and that both notices appear in supporting documentation.
38 *
39 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
40 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
41 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
42 *
43 * Carnegie Mellon requests users of this software to return to
44 *
45 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
46 * School of Computer Science
47 * Carnegie Mellon University
48 * Pittsburgh PA 15213-3890
49 *
50 * any improvements or extensions that they make and grant Carnegie Mellon
51 * the rights to redistribute these changes.
52 */
53/*
54 */
55
56/*
57 * "Local" descriptor table. At the moment, all tasks use the
58 * same LDT.
59 */
60#include <i386/seg.h>
61#include <mach/i386/vm_types.h>
62#include <mach/i386/vm_param.h>
63
64extern int syscall(void);
65extern int mach_rpc(void);
66
67struct fake_descriptor ldt[LDTSZ] = {
68/*007*/ { (unsigned int)&syscall,
69 KERNEL_CS,
70 0, /* no parameters */
71 ACC_P|ACC_PL_U|ACC_CALL_GATE
72 }, /* call gate for system calls */
73/*00F*/ { (unsigned int)&mach_rpc,
74 KERNEL_CS,
75 0, /* no parameters */
76 ACC_P|ACC_PL_U|ACC_CALL_GATE
77 }, /* call gate for mach rpc */
78/*017*/ { 0,
79 (VM_MAX_ADDRESS-VM_MIN_ADDRESS-1)>>12,
80 SZ_32|SZ_G,
81 ACC_P|ACC_PL_U|ACC_CODE_R
82 }, /* user code segment */
83/*01F*/ { 0,
84 (VM_MAX_ADDRESS-VM_MIN_ADDRESS-1)>>12,
85 SZ_32|SZ_G,
86 ACC_P|ACC_PL_U|ACC_DATA_W
87 }, /* user data segment */
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88/*027*/ { 0,
89 (VM_MAX_ADDRESS-VM_MIN_ADDRESS-1)>>12,
90 SZ_32|SZ_G,
91 ACC_P|ACC_PL_U|ACC_DATA_W
92 }, /* user cthread segment */
1c79356b 93};