| /*- |
| * Copyright (c) 1990 The Regents of the University of California. |
| * All rights reserved. |
| * |
| * This code is derived from software contributed to Berkeley by |
| * William Jolitz. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 4. Neither the name of the University nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * from: @(#)tss.h 5.4 (Berkeley) 1/18/91 |
| * $FreeBSD$ |
| */ |
| |
| #ifndef _BSD_MACHINE_TSS_H_ |
| #define _BSD_MACHINE_TSS_H_ 1 |
| |
| /* |
| * amd64 Context Data Type |
| * |
| * The alignment is pretty messed up here due to reuse of the original 32 bit |
| * fields. It might be worth trying to set the tss on a +4 byte offset to |
| * make the 64 bit fields aligned in practice. |
| */ |
| struct amd64tss { |
| u_int32_t tss_rsvd0; |
| u_int64_t tss_rsp0 __packed; /* kernel stack pointer ring 0 */ |
| u_int64_t tss_rsp1 __packed; /* kernel stack pointer ring 1 */ |
| u_int64_t tss_rsp2 __packed; /* kernel stack pointer ring 2 */ |
| u_int32_t tss_rsvd1; |
| u_int32_t tss_rsvd2; |
| u_int64_t tss_ist1 __packed; /* Interrupt stack table 1 */ |
| u_int64_t tss_ist2 __packed; /* Interrupt stack table 2 */ |
| u_int64_t tss_ist3 __packed; /* Interrupt stack table 3 */ |
| u_int64_t tss_ist4 __packed; /* Interrupt stack table 4 */ |
| u_int64_t tss_ist5 __packed; /* Interrupt stack table 5 */ |
| u_int64_t tss_ist6 __packed; /* Interrupt stack table 6 */ |
| u_int64_t tss_ist7 __packed; /* Interrupt stack table 7 */ |
| u_int32_t tss_rsvd3; |
| u_int32_t tss_rsvd4; |
| u_int16_t tss_rsvd5; |
| u_int16_t tss_iobase; /* io bitmap offset */ |
| }; |
| |
| #ifdef _FREEBSD_KERNEL |
| extern struct amd64tss common_tss[]; |
| #endif |
| |
| #endif /* _BSD_MACHINE_TSS_H_ */ |
