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Annotation of sys/arch/i386/include/tss.h, Revision 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_ */