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/5.3/sys/i386/include/sysarch.h 128019 2004-04-07 20:46:16Z imp $
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 struct i386_ldt_args {
48 unsigned int start;
49 union descriptor *descs;
50 unsigned int num;
51 };
52
53 struct i386_ioperm_args {
54 unsigned int start;
55 unsigned int length;
56 int enable;
57 };
58
59 struct i386_vm86_args {
60 int sub_op; /* sub-operation to perform */
61 char *sub_args; /* args */
62 };
63
64 #ifndef _KERNEL
65 #include <sys/cdefs.h>
66
67 union descriptor;
68 struct dbreg;
69
70 __BEGIN_DECLS
71 int i386_get_ldt(int, union descriptor *, int);
72 int i386_set_ldt(int, union descriptor *, int);
73 int i386_get_ioperm(unsigned int, unsigned int *, int *);
74 int i386_set_ioperm(unsigned int, unsigned int, int);
75 int i386_vm86(int, void *);
76 int i386_set_watch(int, unsigned int, int, int, struct dbreg *);
77 int i386_clr_watch(int, struct dbreg *);
78 int sysarch(int, void *);
79 __END_DECLS
80 #endif
81
82 #endif /* !_MACHINE_SYSARCH_H_ */
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