sysarch.h revision 190620 
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 190620 2009-04-01 13:09:26Z kib $
30 */
31
32/*
33 * Architecture specific syscalls (AMD64)
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
45/* XXX Not implementable #define I386_VM86	6 */
46
47#define	I386_GET_FSBASE		7
48#define	I386_SET_FSBASE		8
49#define	I386_GET_GSBASE		9
50#define	I386_SET_GSBASE		10
51
52/* Leave space for 0-127 for to avoid translating syscalls */
53#define	AMD64_GET_FSBASE	128
54#define	AMD64_SET_FSBASE	129
55#define	AMD64_GET_GSBASE	130
56#define	AMD64_SET_GSBASE	131
57
58struct i386_ldt_args {
59	unsigned int start;
60	struct user_segment_descriptor *descs __packed;
61	unsigned int num;
62};
63
64struct i386_ioperm_args {
65	unsigned int start;
66	unsigned int length;
67	int	enable;
68};
69
70#ifndef _KERNEL
71#include <sys/cdefs.h>
72
73__BEGIN_DECLS
74int amd64_get_fsbase(void **);
75int amd64_get_gsbase(void **);
76int amd64_set_fsbase(void *);
77int amd64_set_gsbase(void *);
78int sysarch(int, void *);
79__END_DECLS
80#else
81struct thread;
82union descriptor;
83
84int amd64_get_ldt(struct thread *, struct i386_ldt_args *);
85int amd64_set_ldt(struct thread *, struct i386_ldt_args *,
86    struct user_segment_descriptor *);
87int amd64_get_ioperm(struct thread *, struct i386_ioperm_args *);
88int amd64_set_ioperm(struct thread *, struct i386_ioperm_args *);
89#endif
90
91#endif /* !_MACHINE_SYSARCH_H_ */
92