projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b A |
1 | /* |
| 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 5 | * | |
| e5568f75 A |
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. | |
| 43866e37 | 11 | * |
| e5568f75 A |
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 | |
| 1c79356b A |
14 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 15 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| e5568f75 A |
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. | |
| 1c79356b A |
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 | ||
| 61 | extern int syscall(void); | |
| 62 | extern int mach_rpc(void); | |
| 63 | ||
| 64 | struct 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 */ | |
| 55e303ae A |
85 | /*027*/ { 0, |
| 86 | (VM_MAX_ADDRESS-VM_MIN_ADDRESS-1)>>12, | |
| 87 | SZ_32|SZ_G, | |
| 88 | ACC_P|ACC_PL_U|ACC_DATA_W | |
| 89 | }, /* user cthread segment */ | |
| 1c79356b | 90 | }; |