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/* $OpenBSD: tss.h,v 1.6 2003/06/02 23:27:47 millert Exp $ */
/* $NetBSD: tss.h,v 1.6 1995/10/11 04:20:28 mycroft Exp $ */
/*-
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* William Jolitz.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)tss.h 5.4 (Berkeley) 1/18/91
*/
#ifndef _I386_TSS_H_
#define _I386_TSS_H_
/*
* Intel 386 Context Data Type
*/
struct i386tss {
int __tss_link;
int tss_esp0; /* kernel stack pointer at privilege level 0 */
int tss_ss0; /* kernel stack segment at privilege level 0 */
int __tss_esp1;
int __tss_ss1;
int __tss_esp2;
int __tss_ss2;
int tss_cr3; /* page directory paddr */
int __tss_eip;
int __tss_eflags;
int __tss_eax;
int __tss_ecx;
int __tss_edx;
int __tss_ebx;
int tss_esp; /* saved stack pointer */
int tss_ebp; /* saved frame pointer */
int __tss_esi;
int __tss_edi;
int __tss_es;
int tss_cs;
int __tss_ss;
int __tss_ds;
int tss_fs; /* saved segment register */
int tss_gs; /* saved segment register */
int tss_ldt; /* LDT selector */
int tss_ioopt; /* options and I/O permission map offset */
};
#endif /* _I386_TSS_H_ */
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