1/*-
2 * Copyright (c) 2009 Konstantin Belousov
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 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD$");
29
30#include "opt_compat.h"
31
32#include <sys/param.h>
33#include <sys/mount.h>
34#include <sys/proc.h>
35#include <sys/socket.h>
36#include <sys/sysent.h>
37#include <sys/sysproto.h>
38#include <sys/systm.h>
39#include <sys/uio.h>
40
41#include <machine/cpu.h>
42#include <machine/sysarch.h>
43
44#include <compat/freebsd32/freebsd32_util.h>
45#include <compat/freebsd32/freebsd32.h>
46#include <compat/freebsd32/freebsd32_proto.h>
47
48int
49freebsd32_sysarch(struct thread *td, struct freebsd32_sysarch_args *uap)
50{
51	struct sysarch_args uap1;
52	struct i386_ldt_args uapl;
53	struct i386_ldt_args32 uapl32;
54	int error;
55
56	if (uap->op == I386_SET_LDT || uap->op == I386_GET_LDT) {
57		if ((error = copyin(uap->parms, &uapl32, sizeof(uapl32))) != 0)
58			return (error);
59		uap1.op = uap->op;
60		uap1.parms = (char *)&uapl;
61		uapl.start = uapl32.start;
62		uapl.descs = (struct user_segment_descriptor *)(uintptr_t)
63		    uapl32.descs;
64		uapl.num = uapl32.num;
65		return (sysarch_ldt(td, &uap1, UIO_SYSSPACE));
66	} else {
67		uap1.op = uap->op;
68		uap1.parms = uap->parms;
69		return (sysarch(td, &uap1));
70	}
71}
72
73#ifdef COMPAT_43
74int
75ofreebsd32_getpagesize(struct thread *td,
76    struct ofreebsd32_getpagesize_args *uap)
77{
78
79	td->td_retval[0] = IA32_PAGE_SIZE;
80	return (0);
81}
82#endif
83