1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2009 Konstantin Belousov
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <sys/param.h>
30 #include <sys/mount.h>
31 #include <sys/proc.h>
32 #include <sys/socket.h>
33 #include <sys/sysent.h>
34 #include <sys/sysproto.h>
35 #include <sys/systm.h>
36 #include <sys/uio.h>
37
38 #include <machine/cpu.h>
39 #include <machine/sysarch.h>
40
41 #include <compat/freebsd32/freebsd32_util.h>
42 #include <compat/freebsd32/freebsd32.h>
43 #include <compat/freebsd32/freebsd32_proto.h>
44
45 int
freebsd32_sysarch(struct thread * td,struct freebsd32_sysarch_args * uap)46 freebsd32_sysarch(struct thread *td, struct freebsd32_sysarch_args *uap)
47 {
48 struct sysarch_args uap1;
49 struct i386_ldt_args uapl;
50 struct i386_ldt_args32 uapl32;
51 int error;
52
53 if (uap->op == I386_SET_LDT || uap->op == I386_GET_LDT) {
54 if ((error = copyin(uap->parms, &uapl32, sizeof(uapl32))) != 0)
55 return (error);
56 uap1.op = uap->op;
57 uap1.parms = (char *)&uapl;
58 uapl.start = uapl32.start;
59 uapl.descs = (struct user_segment_descriptor *)(uintptr_t)
60 uapl32.descs;
61 uapl.num = uapl32.num;
62 return (sysarch_ldt(td, &uap1, UIO_SYSSPACE));
63 } else {
64 uap1.op = uap->op;
65 uap1.parms = uap->parms;
66 return (sysarch(td, &uap1));
67 }
68 }
69