pcb.h revision 1.1 
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. All advertising materials mentioning features or use of this software
55 *    must display the following acknowledgement:
56 *	This product includes software developed by the University of
57 *	California, Berkeley and its contributors.
58 * 4. Neither the name of the University nor the names of its contributors
59 *    may be used to endorse or promote products derived from this software
60 *    without specific prior written permission.
61 *
62 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
63 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
64 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
65 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
66 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
67 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
68 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
69 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
70 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
71 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
72 * SUCH DAMAGE.
73 *
74 *	@(#)pcb.h	5.10 (Berkeley) 5/12/91
75 */
76
77/*
78 * XXXfvdl these copyrights don't really match anymore
79 */
80
81#ifndef _AMD64_PCB_H_
82#define _AMD64_PCB_H_
83
84#include <sys/signal.h>
85
86#include <machine/segments.h>
87#include <machine/tss.h>
88#include <machine/fpu.h>
89#include <machine/sysarch.h>
90
91#define	NIOPORTS	1024		/* # of ports we allow to be mapped */
92
93/*
94 * Please note that the pcb_savefpu field in struct below must be
95 * on a 16-byte boundary.
96 */
97struct pcb {
98	/*
99	 * XXXfvdl
100	 * It's overkill to have a TSS here, as it's only needed
101	 * for compatibility processes who use an I/O permission map.
102	 * The pcb fields below are not in the TSS anymore (and there's
103	 * not enough room in the TSS to store them all)
104	 * Should just make this a pointer and allocate.
105	 */
106	struct	x86_64_tss pcb_tss;
107	u_int64_t pcb_cr3;
108	u_int64_t pcb_rsp;
109	u_int64_t pcb_rbp;
110	u_int64_t pcb_usersp;
111	u_int64_t pcb_ldt_sel;
112	struct	savefpu pcb_savefpu;	/* floating point state */
113	int	pcb_cr0;		/* saved image of CR0 */
114	int	pcb_flags;
115#define	PCB_USER_LDT	0x01		/* has user-set LDT */
116	caddr_t	pcb_onfault;		/* copyin/out fault recovery */
117	struct cpu_info *pcb_fpcpu;	/* cpu holding our fp state. */
118	unsigned pcb_iomap[NIOPORTS/32];	/* I/O bitmap */
119	struct pmap *pcb_pmap;		/* back pointer to our pmap */
120};
121
122/*
123 * The pcb is augmented with machine-dependent additional data for
124 * core dumps. For the i386, there is nothing to add.
125 */
126struct md_coredump {
127	long	md_pad[8];
128};
129
130#endif /* _AMD64_PCB_H_ */
131