Annotation of sys/arch/i386/include/tss.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: tss.h,v 1.7 2006/04/27 15:37:53 mickey Exp $ */
2: /* $NetBSD: tss.h,v 1.6 1995/10/11 04:20:28 mycroft Exp $ */
3:
4: /*-
5: * Copyright (c) 1990 The Regents of the University of California.
6: * All rights reserved.
7: *
8: * This code is derived from software contributed to Berkeley by
9: * William Jolitz.
10: *
11: * Redistribution and use in source and binary forms, with or without
12: * modification, are permitted provided that the following conditions
13: * are met:
14: * 1. Redistributions of source code must retain the above copyright
15: * notice, this list of conditions and the following disclaimer.
16: * 2. Redistributions in binary form must reproduce the above copyright
17: * notice, this list of conditions and the following disclaimer in the
18: * documentation and/or other materials provided with the distribution.
19: * 3. Neither the name of the University nor the names of its contributors
20: * may be used to endorse or promote products derived from this software
21: * without specific prior written permission.
22: *
23: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33: * SUCH DAMAGE.
34: *
35: * @(#)tss.h 5.4 (Berkeley) 1/18/91
36: */
37:
38: #ifndef _I386_TSS_H_
39: #define _I386_TSS_H_
40:
41: /*
42: * Intel 386 Context Data Type
43: */
44:
45: struct i386tss {
46: int __tss_link;
47: int tss_esp0; /* kernel stack pointer at privilege level 0 */
48: int tss_ss0; /* kernel stack segment at privilege level 0 */
49: int __tss_esp1;
50: int __tss_ss1;
51: int __tss_esp2;
52: int __tss_ss2;
53: int tss_cr3; /* page directory [pointer] paddr */
54: int __tss_eip;
55: int __tss_eflags;
56: int __tss_eax;
57: int __tss_ecx;
58: int __tss_edx;
59: int __tss_ebx;
60: int tss_esp; /* saved stack pointer */
61: int tss_ebp; /* saved frame pointer */
62: int __tss_esi;
63: int __tss_edi;
64: int __tss_es;
65: int tss_cs;
66: int __tss_ss;
67: int __tss_ds;
68: int tss_fs; /* saved segment register */
69: int tss_gs; /* saved segment register */
70: int tss_ldt; /* LDT selector */
71: int tss_ioopt; /* options and I/O permission map offset */
72: };
73:
74: #endif /* _I386_TSS_H_ */
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