1*9c8f3233SToomas Soome /*- 2*9c8f3233SToomas Soome * Copyright (c) 1990 The Regents of the University of California. 3*9c8f3233SToomas Soome * All rights reserved. 4*9c8f3233SToomas Soome * 5*9c8f3233SToomas Soome * This code is derived from software contributed to Berkeley by 6*9c8f3233SToomas Soome * William Jolitz. 7*9c8f3233SToomas Soome * 8*9c8f3233SToomas Soome * Redistribution and use in source and binary forms, with or without 9*9c8f3233SToomas Soome * modification, are permitted provided that the following conditions 10*9c8f3233SToomas Soome * are met: 11*9c8f3233SToomas Soome * 1. Redistributions of source code must retain the above copyright 12*9c8f3233SToomas Soome * notice, this list of conditions and the following disclaimer. 13*9c8f3233SToomas Soome * 2. Redistributions in binary form must reproduce the above copyright 14*9c8f3233SToomas Soome * notice, this list of conditions and the following disclaimer in the 15*9c8f3233SToomas Soome * documentation and/or other materials provided with the distribution. 16*9c8f3233SToomas Soome * 3. Neither the name of the University nor the names of its contributors 17*9c8f3233SToomas Soome * may be used to endorse or promote products derived from this software 18*9c8f3233SToomas Soome * without specific prior written permission. 19*9c8f3233SToomas Soome * 20*9c8f3233SToomas Soome * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21*9c8f3233SToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22*9c8f3233SToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23*9c8f3233SToomas Soome * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24*9c8f3233SToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25*9c8f3233SToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26*9c8f3233SToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27*9c8f3233SToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28*9c8f3233SToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29*9c8f3233SToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30*9c8f3233SToomas Soome * SUCH DAMAGE. 31*9c8f3233SToomas Soome * 32*9c8f3233SToomas Soome * from: @(#)tss.h 5.4 (Berkeley) 1/18/91 33*9c8f3233SToomas Soome */ 34*9c8f3233SToomas Soome 35*9c8f3233SToomas Soome #ifndef _MACHINE_TSS_H_ 36*9c8f3233SToomas Soome #define _MACHINE_TSS_H_ 1 37*9c8f3233SToomas Soome 38*9c8f3233SToomas Soome /* 39*9c8f3233SToomas Soome * amd64 Context Data Type 40*9c8f3233SToomas Soome * 41*9c8f3233SToomas Soome * The alignment is pretty messed up here due to reuse of the original 32 bit 42*9c8f3233SToomas Soome * fields. It might be worth trying to set the tss on a +4 byte offset to 43*9c8f3233SToomas Soome * make the 64 bit fields aligned in practice. 44*9c8f3233SToomas Soome */ 45*9c8f3233SToomas Soome struct amd64tss { 46*9c8f3233SToomas Soome u_int32_t tss_rsvd0; 47*9c8f3233SToomas Soome u_int64_t tss_rsp0 __packed; /* kernel stack pointer ring 0 */ 48*9c8f3233SToomas Soome u_int64_t tss_rsp1 __packed; /* kernel stack pointer ring 1 */ 49*9c8f3233SToomas Soome u_int64_t tss_rsp2 __packed; /* kernel stack pointer ring 2 */ 50*9c8f3233SToomas Soome u_int32_t tss_rsvd1; 51*9c8f3233SToomas Soome u_int32_t tss_rsvd2; 52*9c8f3233SToomas Soome u_int64_t tss_ist1 __packed; /* Interrupt stack table 1 */ 53*9c8f3233SToomas Soome u_int64_t tss_ist2 __packed; /* Interrupt stack table 2 */ 54*9c8f3233SToomas Soome u_int64_t tss_ist3 __packed; /* Interrupt stack table 3 */ 55*9c8f3233SToomas Soome u_int64_t tss_ist4 __packed; /* Interrupt stack table 4 */ 56*9c8f3233SToomas Soome u_int64_t tss_ist5 __packed; /* Interrupt stack table 5 */ 57*9c8f3233SToomas Soome u_int64_t tss_ist6 __packed; /* Interrupt stack table 6 */ 58*9c8f3233SToomas Soome u_int64_t tss_ist7 __packed; /* Interrupt stack table 7 */ 59*9c8f3233SToomas Soome u_int32_t tss_rsvd3; 60*9c8f3233SToomas Soome u_int32_t tss_rsvd4; 61*9c8f3233SToomas Soome u_int16_t tss_rsvd5; 62*9c8f3233SToomas Soome u_int16_t tss_iobase; /* io bitmap offset */ 63*9c8f3233SToomas Soome }; 64*9c8f3233SToomas Soome 65*9c8f3233SToomas Soome #ifdef _KERNEL 66*9c8f3233SToomas Soome extern struct amd64tss common_tss[]; 67*9c8f3233SToomas Soome #endif 68*9c8f3233SToomas Soome 69*9c8f3233SToomas Soome #endif /* _MACHINE_TSS_H_ */ 70