xref: /netbsd-src/sys/arch/amd64/include/pcb.h (revision c2f76ff004a2cb67efe5b12d97bd3ef7fe89e18d)
1 /*	$NetBSD: pcb.h,v 1.17 2010/07/07 01:14:52 chs 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  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 /*-
33  * Copyright (c) 1990 The Regents of the University of California.
34  * All rights reserved.
35  *
36  * This code is derived from software contributed to Berkeley by
37  * William Jolitz.
38  *
39  * Redistribution and use in source and binary forms, with or without
40  * modification, are permitted provided that the following conditions
41  * are met:
42  * 1. Redistributions of source code must retain the above copyright
43  *    notice, this list of conditions and the following disclaimer.
44  * 2. Redistributions in binary form must reproduce the above copyright
45  *    notice, this list of conditions and the following disclaimer in the
46  *    documentation and/or other materials provided with the distribution.
47  * 3. Neither the name of the University nor the names of its contributors
48  *    may be used to endorse or promote products derived from this software
49  *    without specific prior written permission.
50  *
51  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
52  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
53  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
54  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
55  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
56  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
57  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
58  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
59  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
60  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
61  * SUCH DAMAGE.
62  *
63  *	@(#)pcb.h	5.10 (Berkeley) 5/12/91
64  */
65 
66 /*
67  * XXXfvdl these copyrights don't really match anymore
68  */
69 
70 #ifndef _AMD64_PCB_H_
71 #define _AMD64_PCB_H_
72 
73 #ifdef __x86_64__
74 
75 #include <sys/signal.h>
76 
77 #include <machine/segments.h>
78 #include <machine/tss.h>
79 #include <machine/fpu.h>
80 #include <machine/sysarch.h>
81 
82 #define	NIOPORTS	1024		/* # of ports we allow to be mapped */
83 
84 /*
85  * Please note that the pcb_savefpu field in struct below must be
86  * on a 16-byte boundary.
87  */
88 struct pcb {
89 	int	  pcb_flags;
90 #define	PCB_USER_LDT	0x01		/* has user-set LDT */
91 #define	PCB_COMPAT32	0x02
92 	u_int	  pcb_cr0;		/* saved image of CR0 */
93 	uint64_t pcb_rsp0;
94 	uint64_t pcb_cr2;		/* page fault address (CR2) */
95 	uint64_t pcb_cr3;
96 	uint64_t pcb_rsp;
97 	uint64_t pcb_rbp;
98 	uint64_t pcb_usersp;
99 	uint64_t pcb_unused;		/* unused */
100 	struct	savefpu pcb_savefpu __aligned(16); /* floating point state */
101 	void     *pcb_onfault;		/* copyin/out fault recovery */
102 	struct cpu_info *pcb_fpcpu;	/* cpu holding our fp state. */
103 	uint64_t  pcb_fs;
104 	uint64_t  pcb_gs;
105 	int pcb_iopl;
106 };
107 
108 /*
109  * The pcb is augmented with machine-dependent additional data for
110  * core dumps. For the i386, there is nothing to add.
111  */
112 struct md_coredump {
113 	long	md_pad[8];
114 };
115 
116 #else	/*	__x86_64__	*/
117 
118 #include <i386/pcb.h>
119 
120 #endif	/*	__x86_64__	*/
121 
122 #endif /* _AMD64_PCB_H_ */
123