| | 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 | * @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 */ |
| | 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 */ |
| | 90 | }; |
projects / apple / xnu.git / blame_incremental