xref: /freebsd/sys/compat/ia32/ia32_util.h (revision dd41de95a84d979615a2ef11df6850622bf6184e)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1998-1999 Andrew Gallatin
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  *    in this position and unchanged.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. The name of the author may not be used to endorse or promote products
17  *    derived from this software withough specific prior written permission
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  *
30  * $FreeBSD$
31  */
32 
33 #ifndef	_COMPAT_IA32_IA32_UTIL_H
34 #define	_COMPAT_IA32_IA32_UTIL_H
35 
36 #include <vm/vm.h>
37 #include <vm/vm_param.h>
38 #include <vm/pmap.h>
39 
40 #include <sys/exec.h>
41 #include <sys/sysent.h>
42 #include <sys/cdefs.h>
43 
44 #define	FREEBSD32_MAXUSER	((1ul << 32) - IA32_PAGE_SIZE)
45 #define	FREEBSD32_MINUSER	0
46 #define	FREEBSD32_SHAREDPAGE	(FREEBSD32_MAXUSER - IA32_PAGE_SIZE)
47 #define	FREEBSD32_USRSTACK	FREEBSD32_SHAREDPAGE
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 
54 struct syscall_args;
55 int ia32_fetch_syscall_args(struct thread *td);
56 void ia32_set_syscall_retval(struct thread *, int);
57 void ia32_fixlimit(struct rlimit *rl, int which);
58 
59 #endif	/* _COMPAT_IA32_IA32_UTIL_H */
60