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Commit	Line	Data
	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
	5	*
	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.
	14	*
	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
	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	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.
	25	*
	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
	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	/*
	60	* "Local" descriptor table. At the moment, all tasks use the
	61	* same LDT.
	62	*/
	63	#include <i386/seg.h>
	64	#include <i386/pmap.h>
	65	#include <mach/i386/vm_types.h>
	66	#include <mach/i386/vm_param.h>
	67
	68
	69	struct fake_descriptor master_ldt[LDTSZ] __attribute__ ((aligned (4096))) = {
	70	[SEL_TO_INDEX(SYSENTER_CS)] { /* kernel code (sysenter) */
	71	0,
	72	0xfffff,
	73	SZ_32\|SZ_G,
	74	ACC_P\|ACC_PL_K\|ACC_CODE_R
	75	},
	76	[SEL_TO_INDEX(SYSENTER_DS)] { /* kernel data (sysenter) */
	77	0,
	78	0xfffff,
	79	SZ_32\|SZ_G,
	80	ACC_P\|ACC_PL_K\|ACC_DATA_W
	81	},
	82	[SEL_TO_INDEX(USER_CS)] { /* user code segment */
	83	0,
	84	0xfffff,
	85	SZ_32\|SZ_G,
	86	ACC_P\|ACC_PL_U\|ACC_CODE_R
	87	},
	88	[SEL_TO_INDEX(USER_DS)] { /* user data segment */
	89	0,
	90	0xfffff,
	91	SZ_32\|SZ_G,
	92	ACC_P\|ACC_PL_U\|ACC_DATA_W
	93	},
	94	[SEL_TO_INDEX(USER64_CS)] { /* user 64-bit code segment */
	95	0,
	96	0xfffff,
	97	SZ_64\|SZ_G,
	98	ACC_P\|ACC_PL_U\|ACC_CODE_R
	99	},
	100	[SEL_TO_INDEX(USER_CTHREAD)] { /* user cthread segment */
	101	0,
	102	0xfffff,
	103	SZ_32\|SZ_G,
	104	ACC_P\|ACC_PL_U\|ACC_DATA_W
	105	},
	106	};