pcb.h revision 1.2 
1/*	$NetBSD: pcb.h,v 1.1 2003/04/26 18:39:45 fvdl Exp $	*/
2
3/*-
4 * Copyright (c) 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Charles M. Hannum.
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 by the NetBSD
21 *        Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 *    contributors may be used to endorse or promote products derived
24 *    from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND 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 THE FOUNDATION OR CONTRIBUTORS
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/*-
40 * Copyright (c) 1990 The Regents of the University of California.
41 * All rights reserved.
42 *
43 * This code is derived from software contributed to Berkeley by
44 * William Jolitz.
45 *
46 * Redistribution and use in source and binary forms, with or without
47 * modification, are permitted provided that the following conditions
48 * are met:
49 * 1. Redistributions of source code must retain the above copyright
50 *    notice, this list of conditions and the following disclaimer.
51 * 2. Redistributions in binary form must reproduce the above copyright
52 *    notice, this list of conditions and the following disclaimer in the
53 *    documentation and/or other materials provided with the distribution.
54 * 3. Neither the name of the University nor the names of its contributors
55 *    may be used to endorse or promote products derived from this software
56 *    without specific prior written permission.
57 *
58 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
59 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
60 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
61 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
62 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
63 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
64 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
65 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
66 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
67 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
68 * SUCH DAMAGE.
69 *
70 *	@(#)pcb.h	5.10 (Berkeley) 5/12/91
71 */
72
73/*
74 * XXXfvdl these copyrights don't really match anymore
75 */
76
77#ifndef _AMD64_PCB_H_
78#define _AMD64_PCB_H_
79
80#include <sys/signal.h>
81
82#include <machine/segments.h>
83#include <machine/tss.h>
84#include <machine/fpu.h>
85#include <machine/sysarch.h>
86
87#define	NIOPORTS	1024		/* # of ports we allow to be mapped */
88
89/*
90 * Please note that the pcb_savefpu field in struct below must be
91 * on a 16-byte boundary.
92 */
93struct pcb {
94	/*
95	 * XXXfvdl
96	 * It's overkill to have a TSS here, as it's only needed
97	 * for compatibility processes who use an I/O permission map.
98	 * The pcb fields below are not in the TSS anymore (and there's
99	 * not enough room in the TSS to store them all)
100	 * Should just make this a pointer and allocate.
101	 */
102	struct	x86_64_tss pcb_tss;
103	u_int64_t pcb_cr3;
104	u_int64_t pcb_rsp;
105	u_int64_t pcb_rbp;
106	u_int64_t pcb_usersp;
107	u_int64_t pcb_ldt_sel;
108	struct	savefpu pcb_savefpu;	/* floating point state */
109	int	pcb_cr0;		/* saved image of CR0 */
110	int	pcb_flags;
111#define	PCB_USER_LDT	0x01		/* has user-set LDT */
112	caddr_t	pcb_onfault;		/* copyin/out fault recovery */
113	struct cpu_info *pcb_fpcpu;	/* cpu holding our fp state. */
114	unsigned pcb_iomap[NIOPORTS/32];	/* I/O bitmap */
115	struct pmap *pcb_pmap;		/* back pointer to our pmap */
116};
117
118/*
119 * The pcb is augmented with machine-dependent additional data for
120 * core dumps. For the i386, there is nothing to add.
121 */
122struct md_coredump {
123	long	md_pad[8];
124};
125
126#endif /* _AMD64_PCB_H_ */
127