projects / dragonfly.git / blame
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|---|---|---|
| fc3f9779 SS |
1 | /*- |
| 2 | * Copyright (c) 1990 The Regents of the University of California. | |
| c8fe38ae | 3 | * Copyright (c) 2008 The DragonFly Project. |
| fc3f9779 SS |
4 | * All rights reserved. |
| 5 | * | |
| 6 | * This code is derived from software contributed to Berkeley by | |
| 7 | * William Jolitz. | |
| 8 | * | |
| 9 | * Redistribution and use in source and binary forms, with or without | |
| 10 | * modification, are permitted provided that the following conditions | |
| 11 | * are met: | |
| 12 | * 1. Redistributions of source code must retain the above copyright | |
| 13 | * notice, this list of conditions and the following disclaimer. | |
| 14 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 15 | * notice, this list of conditions and the following disclaimer in the | |
| 16 | * documentation and/or other materials provided with the distribution. | |
| 17 | * 3. All advertising materials mentioning features or use of this software | |
| 18 | * must display the following acknowledgement: | |
| 19 | * This product includes software developed by the University of | |
| 20 | * California, Berkeley and its contributors. | |
| 21 | * 4. Neither the name of the University nor the names of its contributors | |
| 22 | * may be used to endorse or promote products derived from this software | |
| 23 | * without specific prior written permission. | |
| 24 | * | |
| 25 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 26 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 27 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 28 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 29 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 30 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 31 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 32 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 33 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 34 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 35 | * SUCH DAMAGE. | |
| 36 | * | |
| 37 | * from: @(#)tss.h 5.4 (Berkeley) 1/18/91 | |
| 38 | * $FreeBSD: src/sys/amd64/include/tss.h,v 1.15 2003/11/17 08:58:14 peter Exp $ | |
| fc3f9779 SS |
39 | */ |
| 40 | ||
| 41 | #ifndef _CPU_TSS_H_ | |
| 42 | #define _CPU_TSS_H_ | |
| 43 | ||
| 44 | /* | |
| c1543a89 | 45 | * x86_64 Context Data Type |
| fc3f9779 SS |
46 | * |
| 47 | * The alignment is pretty messed up here due to reuse of the original 32 bit | |
| 48 | * fields. It might be worth trying to set the tss on a +4 byte offset to | |
| 49 | * make the 64 bit fields aligned in practice. | |
| 50 | */ | |
| c1543a89 | 51 | struct x86_64tss { |
| fc3f9779 SS |
52 | u_int32_t tss_rsvd0; |
| 53 | u_int64_t tss_rsp0 __packed; /* kernel stack pointer ring 0 */ | |
| 54 | u_int64_t tss_rsp1 __packed; /* kernel stack pointer ring 1 */ | |
| 55 | u_int64_t tss_rsp2 __packed; /* kernel stack pointer ring 2 */ | |
| 56 | u_int32_t tss_rsvd1; | |
| 57 | u_int32_t tss_rsvd2; | |
| fc3f9779 SS |
58 | u_int64_t tss_ist1 __packed; /* Interrupt stack table 1 */ |
| 59 | u_int64_t tss_ist2 __packed; /* Interrupt stack table 2 */ | |
| 60 | u_int64_t tss_ist3 __packed; /* Interrupt stack table 3 */ | |
| 61 | u_int64_t tss_ist4 __packed; /* Interrupt stack table 4 */ | |
| 62 | u_int64_t tss_ist5 __packed; /* Interrupt stack table 5 */ | |
| 63 | u_int64_t tss_ist6 __packed; /* Interrupt stack table 6 */ | |
| 64 | u_int64_t tss_ist7 __packed; /* Interrupt stack table 7 */ | |
| c8fe38ae | 65 | u_int32_t tss_rsvd3; |
| fc3f9779 | 66 | u_int32_t tss_rsvd4; |
| c8fe38ae | 67 | u_int16_t tss_rsvd5; |
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68 | u_int16_t tss_iobase; /* io bitmap offset */ |
| 69 | }; | |
| 70 | ||
| 71 | #endif /* _CPU_TSS_H_ */ |