xref: /onnv-gate/usr/src/uts/intel/sys/segment.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate /*	Copyright (c) 1990, 1991 UNIX System Laboratories, Inc.	*/
28*0Sstevel@tonic-gate /*	Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T	*/
29*0Sstevel@tonic-gate /*	  All Rights Reserved  	*/
30*0Sstevel@tonic-gate 
31*0Sstevel@tonic-gate #ifndef	_SYS_SEGMENT_H
32*0Sstevel@tonic-gate #define	_SYS_SEGMENT_H
33*0Sstevel@tonic-gate 
34*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate #ifdef	__cplusplus
37*0Sstevel@tonic-gate extern "C" {
38*0Sstevel@tonic-gate #endif
39*0Sstevel@tonic-gate 
40*0Sstevel@tonic-gate /* access rights for data segments */
41*0Sstevel@tonic-gate #define	UDATA_ACC1	0xF2 	/* present dpl=3 writable */
42*0Sstevel@tonic-gate #define	DATA_ACC2	0xC	/* 4Kbyte gran. 4Gb limit avl=0 */
43*0Sstevel@tonic-gate #define	DATA_ACC2_S	0x4	/* 1 byte gran., 32bit operands, avl=0 */
44*0Sstevel@tonic-gate #define	UTEXT_ACC1	0xFA 	/* present dpl=3 readable */
45*0Sstevel@tonic-gate #define	TEXT_ACC2	0xC	/* 4Kbyte gran., 32 bit operands avl=0 */
46*0Sstevel@tonic-gate #define	TEXT_ACC2_S	0x4	/* 1 byte gran., 32 bit operands avl=0 */
47*0Sstevel@tonic-gate #define	LDT_UACC1	0xE2	/* present dpl=3 type=ldt */
48*0Sstevel@tonic-gate #define	LDT_ACC2	0x0	/* G=0 avl=0 */
49*0Sstevel@tonic-gate #define	TGATE_UACC1	0xE5	/* present dpl=3 type=task gate		*/
50*0Sstevel@tonic-gate #define	SEG_CONFORM	0X4	/* conforming bit in acc0007 */
51*0Sstevel@tonic-gate 
52*0Sstevel@tonic-gate #define	LDT_TYPE	0x2	/* type of segment is LDT */
53*0Sstevel@tonic-gate 
54*0Sstevel@tonic-gate 
55*0Sstevel@tonic-gate /* access rights field for gates */
56*0Sstevel@tonic-gate 
57*0Sstevel@tonic-gate #define	GATE_UACC	0xE0		/* present and dpl = 3 */
58*0Sstevel@tonic-gate #define	GATE_386CALL	0xC		/* 386 call gate */
59*0Sstevel@tonic-gate 
60*0Sstevel@tonic-gate #ifdef	__cplusplus
61*0Sstevel@tonic-gate }
62*0Sstevel@tonic-gate #endif
63*0Sstevel@tonic-gate 
64*0Sstevel@tonic-gate #endif	/* _SYS_SEGMENT_H */
65