sysarch.h revision 296373 
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: releng/10.3/sys/x86/include/sysarch.h 233209 2012-03-19 21:57:31Z tijl $
30 */
31
32/*
33 * Architecture specific syscalls (X86)
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				/* xxxxx */
47#define	I386_VM86		6	/* XXX Not implementable on amd64 */
48#define	I386_GET_FSBASE		7
49#define	I386_SET_FSBASE		8
50#define	I386_GET_GSBASE		9
51#define	I386_SET_GSBASE		10
52#define	I386_GET_XFPUSTATE	11
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#define	AMD64_GET_XFPUSTATE	132
60
61struct i386_ioperm_args {
62	unsigned int start;
63	unsigned int length;
64	int	enable;
65};
66
67#ifdef __i386__
68struct i386_ldt_args {
69	unsigned int start;
70	union descriptor *descs;
71	unsigned int num;
72};
73
74struct i386_vm86_args {
75	int	sub_op;			/* sub-operation to perform */
76	char	*sub_args;		/* args */
77};
78
79struct i386_get_xfpustate {
80	void *addr;
81	int len;
82};
83#else
84struct i386_ldt_args {
85	unsigned int start;
86	struct user_segment_descriptor *descs __packed;
87	unsigned int num;
88};
89
90struct i386_get_xfpustate {
91	unsigned int addr;
92	int len;
93};
94
95struct amd64_get_xfpustate {
96	void *addr;
97	int len;
98};
99#endif
100
101#ifndef _KERNEL
102union descriptor;
103struct dbreg;
104
105__BEGIN_DECLS
106int i386_get_ldt(int, union descriptor *, int);
107int i386_set_ldt(int, union descriptor *, int);
108int i386_get_ioperm(unsigned int, unsigned int *, int *);
109int i386_set_ioperm(unsigned int, unsigned int, int);
110int i386_vm86(int, void *);
111int i386_get_fsbase(void **);
112int i386_get_gsbase(void **);
113int i386_set_fsbase(void *);
114int i386_set_gsbase(void *);
115int i386_set_watch(int, unsigned int, int, int, struct dbreg *);
116int i386_clr_watch(int, struct dbreg *);
117int amd64_get_fsbase(void **);
118int amd64_get_gsbase(void **);
119int amd64_set_fsbase(void *);
120int amd64_set_gsbase(void *);
121int sysarch(int, void *);
122__END_DECLS
123#else
124struct thread;
125union descriptor;
126
127int i386_get_ldt(struct thread *, struct i386_ldt_args *);
128int i386_set_ldt(struct thread *, struct i386_ldt_args *, union descriptor *);
129int i386_get_ioperm(struct thread *, struct i386_ioperm_args *);
130int i386_set_ioperm(struct thread *, struct i386_ioperm_args *);
131int amd64_get_ldt(struct thread *, struct i386_ldt_args *);
132int amd64_set_ldt(struct thread *, struct i386_ldt_args *,
133    struct user_segment_descriptor *);
134int amd64_get_ioperm(struct thread *, struct i386_ioperm_args *);
135int amd64_set_ioperm(struct thread *, struct i386_ioperm_args *);
136#endif
137
138#endif /* !_MACHINE_SYSARCH_H_ */
139