1b2b3ffcdSSimon Schubert /*- 2b2b3ffcdSSimon Schubert * Copyright (c) 1990 The Regents of the University of California. 3b2b3ffcdSSimon Schubert * Copyright (c) 2008 The DragonFly Project. 4b2b3ffcdSSimon Schubert * All rights reserved. 5b2b3ffcdSSimon Schubert * 6b2b3ffcdSSimon Schubert * This code is derived from software contributed to Berkeley by 7b2b3ffcdSSimon Schubert * William Jolitz. 8b2b3ffcdSSimon Schubert * 9b2b3ffcdSSimon Schubert * Redistribution and use in source and binary forms, with or without 10b2b3ffcdSSimon Schubert * modification, are permitted provided that the following conditions 11b2b3ffcdSSimon Schubert * are met: 12b2b3ffcdSSimon Schubert * 1. Redistributions of source code must retain the above copyright 13b2b3ffcdSSimon Schubert * notice, this list of conditions and the following disclaimer. 14b2b3ffcdSSimon Schubert * 2. Redistributions in binary form must reproduce the above copyright 15b2b3ffcdSSimon Schubert * notice, this list of conditions and the following disclaimer in the 16b2b3ffcdSSimon Schubert * documentation and/or other materials provided with the distribution. 172c64e990Szrj * 3. Neither the name of the University nor the names of its contributors 18b2b3ffcdSSimon Schubert * may be used to endorse or promote products derived from this software 19b2b3ffcdSSimon Schubert * without specific prior written permission. 20b2b3ffcdSSimon Schubert * 21b2b3ffcdSSimon Schubert * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22b2b3ffcdSSimon Schubert * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23b2b3ffcdSSimon Schubert * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24b2b3ffcdSSimon Schubert * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25b2b3ffcdSSimon Schubert * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26b2b3ffcdSSimon Schubert * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27b2b3ffcdSSimon Schubert * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28b2b3ffcdSSimon Schubert * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29b2b3ffcdSSimon Schubert * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30b2b3ffcdSSimon Schubert * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31b2b3ffcdSSimon Schubert * SUCH DAMAGE. 32b2b3ffcdSSimon Schubert * 33b2b3ffcdSSimon Schubert * from: @(#)tss.h 5.4 (Berkeley) 1/18/91 34b2b3ffcdSSimon Schubert * $FreeBSD: src/sys/amd64/include/tss.h,v 1.15 2003/11/17 08:58:14 peter Exp $ 35b2b3ffcdSSimon Schubert */ 36b2b3ffcdSSimon Schubert 37b2b3ffcdSSimon Schubert #ifndef _CPU_TSS_H_ 38b2b3ffcdSSimon Schubert #define _CPU_TSS_H_ 39b2b3ffcdSSimon Schubert 40*2ec3a157SSascha Wildner #include <sys/types.h> 4109f98a26SSascha Wildner 42b2b3ffcdSSimon Schubert /* 43b2b3ffcdSSimon Schubert * x86_64 Context Data Type 44b2b3ffcdSSimon Schubert * 45b2b3ffcdSSimon Schubert * The alignment is pretty messed up here due to reuse of the original 32 bit 46b2b3ffcdSSimon Schubert * fields. It might be worth trying to set the tss on a +4 byte offset to 47b2b3ffcdSSimon Schubert * make the 64 bit fields aligned in practice. 48b2b3ffcdSSimon Schubert */ 49b2b3ffcdSSimon Schubert struct x86_64tss { 50b2b3ffcdSSimon Schubert u_int32_t tss_rsvd0; 51b2b3ffcdSSimon Schubert u_int64_t tss_rsp0 __packed; /* kernel stack pointer ring 0 */ 52b2b3ffcdSSimon Schubert u_int64_t tss_rsp1 __packed; /* kernel stack pointer ring 1 */ 53b2b3ffcdSSimon Schubert u_int64_t tss_rsp2 __packed; /* kernel stack pointer ring 2 */ 54b2b3ffcdSSimon Schubert u_int32_t tss_rsvd1; 55b2b3ffcdSSimon Schubert u_int32_t tss_rsvd2; 56b2b3ffcdSSimon Schubert u_int64_t tss_ist1 __packed; /* Interrupt stack table 1 */ 57b2b3ffcdSSimon Schubert u_int64_t tss_ist2 __packed; /* Interrupt stack table 2 */ 58b2b3ffcdSSimon Schubert u_int64_t tss_ist3 __packed; /* Interrupt stack table 3 */ 59b2b3ffcdSSimon Schubert u_int64_t tss_ist4 __packed; /* Interrupt stack table 4 */ 60b2b3ffcdSSimon Schubert u_int64_t tss_ist5 __packed; /* Interrupt stack table 5 */ 61b2b3ffcdSSimon Schubert u_int64_t tss_ist6 __packed; /* Interrupt stack table 6 */ 62b2b3ffcdSSimon Schubert u_int64_t tss_ist7 __packed; /* Interrupt stack table 7 */ 63b2b3ffcdSSimon Schubert u_int32_t tss_rsvd3; 64b2b3ffcdSSimon Schubert u_int32_t tss_rsvd4; 65b2b3ffcdSSimon Schubert u_int16_t tss_rsvd5; 66b2b3ffcdSSimon Schubert u_int16_t tss_iobase; /* io bitmap offset */ 67b2b3ffcdSSimon Schubert }; 68b2b3ffcdSSimon Schubert 69b2b3ffcdSSimon Schubert #endif /* _CPU_TSS_H_ */ 70