1*8ede9625SToomas Soome /*- 2*8ede9625SToomas Soome * Copyright (c) 1990 The Regents of the University of California. 3*8ede9625SToomas Soome * All rights reserved. 4*8ede9625SToomas Soome * 5*8ede9625SToomas Soome * This code is derived from software contributed to Berkeley by 6*8ede9625SToomas Soome * William Jolitz. 7*8ede9625SToomas Soome * 8*8ede9625SToomas Soome * Redistribution and use in source and binary forms, with or without 9*8ede9625SToomas Soome * modification, are permitted provided that the following conditions 10*8ede9625SToomas Soome * are met: 11*8ede9625SToomas Soome * 1. Redistributions of source code must retain the above copyright 12*8ede9625SToomas Soome * notice, this list of conditions and the following disclaimer. 13*8ede9625SToomas Soome * 2. Redistributions in binary form must reproduce the above copyright 14*8ede9625SToomas Soome * notice, this list of conditions and the following disclaimer in the 15*8ede9625SToomas Soome * documentation and/or other materials provided with the distribution. 16*8ede9625SToomas Soome * 3. Neither the name of the University nor the names of its contributors 17*8ede9625SToomas Soome * may be used to endorse or promote products derived from this software 18*8ede9625SToomas Soome * without specific prior written permission. 19*8ede9625SToomas Soome * 20*8ede9625SToomas Soome * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21*8ede9625SToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22*8ede9625SToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23*8ede9625SToomas Soome * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24*8ede9625SToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25*8ede9625SToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26*8ede9625SToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27*8ede9625SToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28*8ede9625SToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29*8ede9625SToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30*8ede9625SToomas Soome * SUCH DAMAGE. 31*8ede9625SToomas Soome * 32*8ede9625SToomas Soome * from: @(#)tss.h 5.4 (Berkeley) 1/18/91 33*8ede9625SToomas Soome */ 34*8ede9625SToomas Soome 35*8ede9625SToomas Soome #ifndef _MACHINE_TSS_H_ 36*8ede9625SToomas Soome #define _MACHINE_TSS_H_ 1 37*8ede9625SToomas Soome 38*8ede9625SToomas Soome /* 39*8ede9625SToomas Soome * amd64 Context Data Type 40*8ede9625SToomas Soome * 41*8ede9625SToomas Soome * The alignment is pretty messed up here due to reuse of the original 32 bit 42*8ede9625SToomas Soome * fields. It might be worth trying to set the tss on a +4 byte offset to 43*8ede9625SToomas Soome * make the 64 bit fields aligned in practice. 44*8ede9625SToomas Soome */ 45*8ede9625SToomas Soome struct amd64tss { 46*8ede9625SToomas Soome u_int32_t tss_rsvd0; 47*8ede9625SToomas Soome u_int64_t tss_rsp0 __packed; /* kernel stack pointer ring 0 */ 48*8ede9625SToomas Soome u_int64_t tss_rsp1 __packed; /* kernel stack pointer ring 1 */ 49*8ede9625SToomas Soome u_int64_t tss_rsp2 __packed; /* kernel stack pointer ring 2 */ 50*8ede9625SToomas Soome u_int32_t tss_rsvd1; 51*8ede9625SToomas Soome u_int32_t tss_rsvd2; 52*8ede9625SToomas Soome u_int64_t tss_ist1 __packed; /* Interrupt stack table 1 */ 53*8ede9625SToomas Soome u_int64_t tss_ist2 __packed; /* Interrupt stack table 2 */ 54*8ede9625SToomas Soome u_int64_t tss_ist3 __packed; /* Interrupt stack table 3 */ 55*8ede9625SToomas Soome u_int64_t tss_ist4 __packed; /* Interrupt stack table 4 */ 56*8ede9625SToomas Soome u_int64_t tss_ist5 __packed; /* Interrupt stack table 5 */ 57*8ede9625SToomas Soome u_int64_t tss_ist6 __packed; /* Interrupt stack table 6 */ 58*8ede9625SToomas Soome u_int64_t tss_ist7 __packed; /* Interrupt stack table 7 */ 59*8ede9625SToomas Soome u_int32_t tss_rsvd3; 60*8ede9625SToomas Soome u_int32_t tss_rsvd4; 61*8ede9625SToomas Soome u_int16_t tss_rsvd5; 62*8ede9625SToomas Soome u_int16_t tss_iobase; /* io bitmap offset */ 63*8ede9625SToomas Soome }; 64*8ede9625SToomas Soome 65*8ede9625SToomas Soome #ifdef _KERNEL 66*8ede9625SToomas Soome extern struct amd64tss common_tss[]; 67*8ede9625SToomas Soome #endif 68*8ede9625SToomas Soome 69*8ede9625SToomas Soome #endif /* _MACHINE_TSS_H_ */ 70