1 /* $OpenBSD: tss.h,v 1.4 2011/03/23 16:54:34 pirofti Exp $ */ 2 /* $NetBSD: tss.h,v 1.1 2003/04/26 18:39:49 fvdl Exp $ */ 3 4 /* 5 * Copyright (c) 2001 Wasabi Systems, Inc. 6 * All rights reserved. 7 * 8 * Written by Frank van der Linden for Wasabi Systems, Inc. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed for the NetBSD Project by 21 * Wasabi Systems, Inc. 22 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 23 * or promote products derived from this software without specific prior 24 * written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #ifndef _MACHINE_TSS_H_ 40 #define _MACHINE_TSS_H_ 41 42 /* 43 * TSS structure. Since TSS hw switching is not supported in long 44 * mode, this is mainly there for the I/O permission map in 45 * normal processes. 46 */ 47 48 struct x86_64_tss { 49 u_int32_t tss_reserved1; 50 u_int64_t tss_rsp0; 51 u_int64_t tss_rsp1; 52 u_int64_t tss_rsp2; 53 u_int32_t tss_reserved2; 54 u_int32_t tss_reserved3; 55 u_int64_t tss_ist[7]; 56 u_int32_t tss_reserved4; 57 u_int32_t tss_reserved5; 58 u_int16_t tss_reserved6; 59 u_int16_t tss_iobase; 60 } __packed; 61 62 #endif /* _MACHINE_TSS_H_ */ 63