ia32_util.h revision 215741 
1/*-
2 * Copyright (c) 1998-1999 Andrew Gallatin
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 *    in this position and unchanged.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 *    derived from this software withough specific prior written permission
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * $FreeBSD: head/sys/compat/ia32/ia32_util.h 215741 2010-11-23 12:47:15Z kib $
29 */
30
31#ifndef	_COMPAT_IA32_IA32_UTIL_H
32#define	_COMPAT_IA32_IA32_UTIL_H
33
34#include <vm/vm.h>
35#include <vm/vm_param.h>
36#include <vm/pmap.h>
37
38
39#include <sys/exec.h>
40#include <sys/sysent.h>
41#include <sys/cdefs.h>
42
43#ifdef __ia64__
44#define FREEBSD32_USRSTACK	((1ul << 32) - IA32_PAGE_SIZE * 2)
45#else
46#define FREEBSD32_USRSTACK	((1ul << 32) - IA32_PAGE_SIZE)
47#endif
48
49#define	IA32_PAGE_SIZE	4096
50#define	IA32_MAXDSIZ	(512*1024*1024)		/* 512MB */
51#define	IA32_MAXSSIZ	(64*1024*1024)		/* 64MB */
52#define IA32_MAXVMEM	0			/* Unlimited */
53
54struct syscall_args;
55int ia32_fetch_syscall_args(struct thread *td, struct syscall_args *sa);
56void ia32_set_syscall_retval(struct thread *, int);
57
58#endif
59