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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 * 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
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14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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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.
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19 *
20 * @APPLE_LICENSE_HEADER_END@
21 */
22/*
23 * @OSF_COPYRIGHT@
24 */
25/*
26 * Mach Operating System
27 * Copyright (c) 1991,1990 Carnegie Mellon University
28 * All Rights Reserved.
29 *
30 * Permission to use, copy, modify and distribute this software and its
31 * documentation is hereby granted, provided that both the copyright
32 * notice and this permission notice appear in all copies of the
33 * software, derivative works or modified versions, and any portions
34 * thereof, and that both notices appear in supporting documentation.
35 *
36 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
37 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
38 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
39 *
40 * Carnegie Mellon requests users of this software to return to
41 *
42 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
43 * School of Computer Science
44 * Carnegie Mellon University
45 * Pittsburgh PA 15213-3890
46 *
47 * any improvements or extensions that they make and grant Carnegie Mellon
48 * the rights to redistribute these changes.
49 */
50/*
51 */
52
53/*
54 * "Local" descriptor table. At the moment, all tasks use the
55 * same LDT.
56 */
57#include <i386/seg.h>
58#include <mach/i386/vm_types.h>
59#include <mach/i386/vm_param.h>
60
61extern int syscall(void);
62extern int mach_rpc(void);
63
64struct fake_descriptor ldt[LDTSZ] = {
65/*007*/ { (unsigned int)&syscall,
66 KERNEL_CS,
67 0, /* no parameters */
68 ACC_P|ACC_PL_U|ACC_CALL_GATE
69 }, /* call gate for system calls */
70/*00F*/ { (unsigned int)&mach_rpc,
71 KERNEL_CS,
72 0, /* no parameters */
73 ACC_P|ACC_PL_U|ACC_CALL_GATE
74 }, /* call gate for mach rpc */
75/*017*/ { 0,
76 (VM_MAX_ADDRESS-VM_MIN_ADDRESS-1)>>12,
77 SZ_32|SZ_G,
78 ACC_P|ACC_PL_U|ACC_CODE_R
79 }, /* user code segment */
80/*01F*/ { 0,
81 (VM_MAX_ADDRESS-VM_MIN_ADDRESS-1)>>12,
82 SZ_32|SZ_G,
83 ACC_P|ACC_PL_U|ACC_DATA_W
84 }, /* user data segment */
85};