sysarch.h revision 204118 
1/*-
2 * Copyright (c) 1993 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $FreeBSD: head/sys/amd64/include/sysarch.h 204118 2010-02-20 13:33:50Z ed $
30 */
31
32/*
33 * Architecture specific syscalls (AMD64)
34 */
35#ifndef _MACHINE_SYSARCH_H_
36#define _MACHINE_SYSARCH_H_
37
38#include <sys/cdefs.h>
39
40#define I386_GET_LDT	0
41#define I386_SET_LDT	1
42#define	LDT_AUTO_ALLOC	0xffffffff
43				/* I386_IOPL */
44#define I386_GET_IOPERM	3
45#define I386_SET_IOPERM	4
46
47/* XXX Not implementable #define I386_VM86	6 */
48
49#define	I386_GET_FSBASE		7
50#define	I386_SET_FSBASE		8
51#define	I386_GET_GSBASE		9
52#define	I386_SET_GSBASE		10
53
54/* Leave space for 0-127 for to avoid translating syscalls */
55#define	AMD64_GET_FSBASE	128
56#define	AMD64_SET_FSBASE	129
57#define	AMD64_GET_GSBASE	130
58#define	AMD64_SET_GSBASE	131
59
60struct i386_ldt_args {
61	unsigned int start;
62	struct user_segment_descriptor *descs __packed;
63	unsigned int num;
64};
65
66struct i386_ioperm_args {
67	unsigned int start;
68	unsigned int length;
69	int	enable;
70};
71
72#ifndef _KERNEL
73#include <sys/cdefs.h>
74
75__BEGIN_DECLS
76int amd64_get_fsbase(void **);
77int amd64_get_gsbase(void **);
78int amd64_set_fsbase(void *);
79int amd64_set_gsbase(void *);
80int sysarch(int, void *);
81__END_DECLS
82#else
83struct thread;
84union descriptor;
85
86int amd64_get_ldt(struct thread *, struct i386_ldt_args *);
87int amd64_set_ldt(struct thread *, struct i386_ldt_args *,
88    struct user_segment_descriptor *);
89int amd64_get_ioperm(struct thread *, struct i386_ioperm_args *);
90int amd64_set_ioperm(struct thread *, struct i386_ioperm_args *);
91#endif
92
93#endif /* !_MACHINE_SYSARCH_H_ */
94