xref: /freebsd/sys/compat/ia32/ia32_util.h (revision 1e7a698a31ff66a50baadb26a9b2a54b8896f3bd)
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  * $FreeBSD$
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 
54 struct syscall_args;
55 int ia32_fetch_syscall_args(struct thread *td, struct syscall_args *sa);
56 void ia32_set_syscall_retval(struct thread *, int);
57 
58 #endif
59