1 /* $NetBSD: sysarch.h,v 1.15 2020/06/19 16:20:22 maxv Exp $ */
2
3 /*-
4 * Copyright (c) 2007 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Andrew Doran.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #ifndef _X86_SYSARCH_H_
33 #define _X86_SYSARCH_H_
34
35 #define X86_GET_LDT 0
36 #define X86_SET_LDT 1
37 #define X86_IOPL 2
38 #define X86_GET_IOPERM 3
39 #define X86_SET_IOPERM 4
40 #define X86_OLD_VM86 5
41 #define X86_GET_MTRR 11
42 #define X86_SET_MTRR 12
43 #define X86_VM86 13
44 #define X86_GET_GSBASE 14
45 #define X86_GET_FSBASE 15
46 #define X86_SET_GSBASE 16
47 #define X86_SET_FSBASE 17
48
49 #ifdef _KERNEL
50 #define _X86_SYSARCH_L(x) x86_##x
51 #define _X86_SYSARCH_U(x) X86_##x
52 #elif defined(__i386__)
53 #define _X86_SYSARCH_L(x) i386_##x
54 #define _X86_SYSARCH_U(x) I386_##x
55 #define I386_GET_LDT X86_GET_LDT
56 #define I386_SET_LDT X86_SET_LDT
57 #define I386_IOPL X86_IOPL
58 #define I386_GET_IOPERM X86_GET_IOPERM
59 #define I386_SET_IOPERM X86_SET_IOPERM
60 #define I386_OLD_VM86 X86_OLD_VM86
61 #define I386_GET_MTRR X86_GET_MTRR
62 #define I386_SET_MTRR X86_SET_MTRR
63 #define I386_VM86 X86_VM86
64 #define I386_GET_GSBASE X86_GET_GSBASE
65 #define I386_GET_FSBASE X86_GET_FSBASE
66 #define I386_SET_GSBASE X86_SET_GSBASE
67 #define I386_SET_FSBASE X86_SET_FSBASE
68 #else
69 #define _X86_SYSARCH_L(x) x86_64_##x
70 #define _X86_SYSARCH_U(x) X86_64_##x
71 #define X86_64_GET_LDT X86_GET_LDT
72 #define X86_64_SET_LDT X86_SET_LDT
73 #define X86_64_IOPL X86_IOPL
74 #define X86_64_GET_IOPERM X86_GET_IOPERM
75 #define X86_64_SET_IOPERM X86_SET_IOPERM
76 #define X86_64_OLD_VM86 X86_OLD_VM86
77 #define X86_64_GET_MTRR X86_GET_MTRR
78 #define X86_64_SET_MTRR X86_SET_MTRR
79 #define X86_64_VM86 X86_VM86
80 #define X86_64_GET_GSBASE X86_GET_GSBASE
81 #define X86_64_GET_FSBASE X86_GET_FSBASE
82 #define X86_64_SET_GSBASE X86_SET_GSBASE
83 #define X86_64_SET_FSBASE X86_SET_FSBASE
84 #endif
85
86 /*
87 * Architecture specific syscalls (x86)
88 */
89
_X86_SYSARCH_L(get_ldt_args)90 struct _X86_SYSARCH_L(get_ldt_args) {
91 int start;
92 union descriptor *desc;
93 int num;
94 };
95
_X86_SYSARCH_L(set_ldt_args)96 struct _X86_SYSARCH_L(set_ldt_args) {
97 int start;
98 union descriptor *desc;
99 int num;
100 };
101
_X86_SYSARCH_L(get_mtrr_args)102 struct _X86_SYSARCH_L(get_mtrr_args) {
103 struct mtrr *mtrrp;
104 int *n;
105 };
106
_X86_SYSARCH_L(set_mtrr_args)107 struct _X86_SYSARCH_L(set_mtrr_args) {
108 struct mtrr *mtrrp;
109 int *n;
110 };
111
_X86_SYSARCH_L(iopl_args)112 struct _X86_SYSARCH_L(iopl_args) {
113 int iopl;
114 };
115
_X86_SYSARCH_L(get_ioperm_args)116 struct _X86_SYSARCH_L(get_ioperm_args) {
117 u_long *iomap;
118 };
119
_X86_SYSARCH_L(set_ioperm_args)120 struct _X86_SYSARCH_L(set_ioperm_args) {
121 u_long *iomap;
122 };
123
124 struct mtrr;
125
126 #ifdef _KERNEL
127 int x86_iopl(struct lwp *, void *, register_t *);
128 int x86_get_ldt1(struct lwp *, struct x86_get_ldt_args *, union descriptor *);
129 int x86_set_ldt1(struct lwp *, struct x86_set_ldt_args *, union descriptor *);
130 int x86_set_sdbase(void *, char, lwp_t *, bool);
131 int x86_get_sdbase(void *, char);
132 #else
133 #include <sys/cdefs.h>
134 __BEGIN_DECLS
135 int _X86_SYSARCH_L(get_ldt)(int, union descriptor *, int);
136 int _X86_SYSARCH_L(set_ldt)(int, union descriptor *, int);
137 int _X86_SYSARCH_L(iopl)(int);
138 int _X86_SYSARCH_L(set_mtrr)(struct mtrr *, int *);
139 int _X86_SYSARCH_L(get_mtrr)(struct mtrr *, int *);
140 int sysarch(int, void *);
141 __END_DECLS
142 #endif
143
144 #endif /* !_X86_SYSARCH_H_ */
145