1/*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * William Jolitz. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 20 unchanged lines hidden (view full) --- 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * from: @(#)tss.h 5.4 (Berkeley) 1/18/91 |
37 * $Id: tss.h,v 1.3 1993/11/07 17:43:16 wollman Exp $ |
38 */ 39 40#ifndef _MACHINE_TSS_H_ 41#define _MACHINE_TSS_H_ 1 42 43/* 44 * Intel 386 Context Data Type 45 */ 46 47struct i386tss { 48 int tss_link; /* actually 16 bits: top 16 bits must be zero */ 49 int tss_esp0; /* kernel stack pointer priviledge level 0 */ 50#define tss_ksp tss_esp0 51 int tss_ss0; /* actually 16 bits: top 16 bits must be zero */ 52 int tss_esp1; /* kernel stack pointer priviledge level 1 */ 53 int tss_ss1; /* actually 16 bits: top 16 bits must be zero */ 54 int tss_esp2; /* kernel stack pointer priviledge level 2 */ 55 int tss_ss2; /* actually 16 bits: top 16 bits must be zero */ |
56 int tss_cr3; /* page table directory */ 57#define tss_ptd tss_cr3 58 int tss_eip; /* program counter */ 59#define tss_pc tss_eip 60 int tss_eflags; /* program status longword */ 61#define tss_psl tss_eflags 62 int tss_eax; 63 int tss_ecx; --- 19 unchanged lines hidden --- |