sysarch.h revision 137289 
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/i386/include/sysarch.h 137289 2004-11-06 03:23:36Z peter $
30 */
31
32/*
33 * Architecture specific syscalls (i386)
34 */
35#ifndef _MACHINE_SYSARCH_H_
36#define _MACHINE_SYSARCH_H_
37
38#define I386_GET_LDT	0
39#define I386_SET_LDT	1
40#define	LDT_AUTO_ALLOC	0xffffffff
41				/* I386_IOPL */
42#define I386_GET_IOPERM	3
43#define I386_SET_IOPERM	4
44				/* xxxxx */
45#define I386_VM86	6
46
47/* These four only exist when running an i386 binary on amd64 */
48#define	_AMD64_GET_FSBASE	128
49#define	_AMD64_SET_FSBASE	129
50#define	_AMD64_GET_GSBASE	130
51#define	_AMD64_SET_GSBASE	131
52
53struct i386_ldt_args {
54	unsigned int start;
55	union	descriptor *descs;
56	unsigned int num;
57};
58
59struct i386_ioperm_args {
60	unsigned int start;
61	unsigned int length;
62	int	enable;
63};
64
65struct i386_vm86_args {
66	int	sub_op;			/* sub-operation to perform */
67	char	*sub_args;		/* args */
68};
69
70#ifndef _KERNEL
71#include <sys/cdefs.h>
72
73union descriptor;
74struct dbreg;
75
76__BEGIN_DECLS
77/* These four only exist when running an i386 binary on amd64 */
78int _amd64_get_fsbase(void **);
79int _amd64_get_gsbase(void **);
80int _amd64_set_fsbase(void *);
81int _amd64_set_gsbase(void *);
82int i386_get_ldt(int, union descriptor *, int);
83int i386_set_ldt(int, union descriptor *, int);
84int i386_get_ioperm(unsigned int, unsigned int *, int *);
85int i386_set_ioperm(unsigned int, unsigned int, int);
86int i386_vm86(int, void *);
87int i386_set_watch(int, unsigned int, int, int, struct dbreg *);
88int i386_clr_watch(int, struct dbreg *);
89int sysarch(int, void *);
90__END_DECLS
91#endif
92
93#endif /* !_MACHINE_SYSARCH_H_ */
94