tss.h revision 1.6.46.1
1 1.6.46.1 nathanw /* $NetBSD: tss.h,v 1.6.46.1 2002/10/18 02:37:59 nathanw Exp $ */ 2 1.4 cgd 3 1.1 cgd /*- 4 1.1 cgd * Copyright (c) 1990 The Regents of the University of California. 5 1.1 cgd * All rights reserved. 6 1.1 cgd * 7 1.1 cgd * This code is derived from software contributed to Berkeley by 8 1.1 cgd * William Jolitz. 9 1.1 cgd * 10 1.1 cgd * Redistribution and use in source and binary forms, with or without 11 1.1 cgd * modification, are permitted provided that the following conditions 12 1.1 cgd * are met: 13 1.1 cgd * 1. Redistributions of source code must retain the above copyright 14 1.1 cgd * notice, this list of conditions and the following disclaimer. 15 1.1 cgd * 2. Redistributions in binary form must reproduce the above copyright 16 1.1 cgd * notice, this list of conditions and the following disclaimer in the 17 1.1 cgd * documentation and/or other materials provided with the distribution. 18 1.1 cgd * 3. All advertising materials mentioning features or use of this software 19 1.1 cgd * must display the following acknowledgement: 20 1.1 cgd * This product includes software developed by the University of 21 1.1 cgd * California, Berkeley and its contributors. 22 1.1 cgd * 4. Neither the name of the University nor the names of its contributors 23 1.1 cgd * may be used to endorse or promote products derived from this software 24 1.1 cgd * without specific prior written permission. 25 1.1 cgd * 26 1.1 cgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 1.1 cgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 1.1 cgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 1.1 cgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 1.1 cgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 1.1 cgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 1.1 cgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 1.1 cgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 1.1 cgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 1.1 cgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 1.1 cgd * SUCH DAMAGE. 37 1.1 cgd * 38 1.4 cgd * @(#)tss.h 5.4 (Berkeley) 1/18/91 39 1.1 cgd */ 40 1.1 cgd 41 1.6.46.1 nathanw #ifndef _I386_TSS_H_ 42 1.6.46.1 nathanw #define _I386_TSS_H_ 43 1.6.46.1 nathanw 44 1.1 cgd /* 45 1.1 cgd * Intel 386 Context Data Type 46 1.1 cgd */ 47 1.1 cgd 48 1.1 cgd struct i386tss { 49 1.5 mycroft int __tss_link; 50 1.5 mycroft int tss_esp0; /* kernel stack pointer at privilege level 0 */ 51 1.5 mycroft int tss_ss0; /* kernel stack segment at privilege level 0 */ 52 1.5 mycroft int __tss_esp1; 53 1.5 mycroft int __tss_ss1; 54 1.5 mycroft int __tss_esp2; 55 1.5 mycroft int __tss_ss2; 56 1.5 mycroft int tss_cr3; /* page directory paddr */ 57 1.5 mycroft int __tss_eip; 58 1.5 mycroft int __tss_eflags; 59 1.5 mycroft int __tss_eax; 60 1.5 mycroft int __tss_ecx; 61 1.5 mycroft int __tss_edx; 62 1.5 mycroft int __tss_ebx; 63 1.5 mycroft int tss_esp; /* saved stack pointer */ 64 1.5 mycroft int tss_ebp; /* saved frame pointer */ 65 1.5 mycroft int __tss_esi; 66 1.5 mycroft int __tss_edi; 67 1.5 mycroft int __tss_es; 68 1.5 mycroft int __tss_cs; 69 1.5 mycroft int __tss_ss; 70 1.5 mycroft int __tss_ds; 71 1.5 mycroft int tss_fs; /* saved segment register */ 72 1.5 mycroft int tss_gs; /* saved segment register */ 73 1.6 mycroft int tss_ldt; /* LDT selector */ 74 1.5 mycroft int tss_ioopt; /* options and I/O permission map offset */ 75 1.1 cgd }; 76 1.6.46.1 nathanw 77 1.6.46.1 nathanw #endif /* #ifndef _I386_TSS_H_ */ 78
Indexes created Mon Oct 20 11:09:49 GMT 2025