xref: /netbsd/sys/arch/sandpoint/include/vmparam.h (revision bf9ec67e)
1 /*	$NetBSD: vmparam.h,v 1.8 2002/03/09 23:36:00 chs Exp $	*/
2 
3 #ifndef OLDPMAP
4 #include <powerpc/mpc6xx/vmparam.h>
5 #else
6 /*-
7  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
8  * Copyright (C) 1995, 1996 TooLs GmbH.
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  * 3. All advertising materials mentioning features or use of this software
20  *    must display the following acknowledgement:
21  *	This product includes software developed by TooLs GmbH.
22  * 4. The name of TooLs GmbH may not be used to endorse or promote products
23  *    derived from this software without specific prior written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
26  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
27  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
28  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
29  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
30  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
31  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
32  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
33  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
34  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35  */
36 
37 #ifndef	_MACHINE_VMPARAM_H_
38 #define	_MACHINE_VMPARAM_H_
39 
40 #define	USRTEXT		NBPG
41 #define	USRSTACK	VM_MAXUSER_ADDRESS
42 
43 #ifndef	MAXTSIZ
44 #define	MAXTSIZ		(64*1024*1024)		/* max text size */
45 #endif
46 
47 #ifndef	DFLDSIZ
48 #define	DFLDSIZ		(128*1024*1024)		/* default data size */
49 #endif
50 
51 #ifndef	MAXDSIZ
52 #define	MAXDSIZ		(1*1024*1024*1024)	/* max data size */
53 #endif
54 
55 #ifndef	DFLSSIZ
56 #define	DFLSSIZ		(2*1024*1024)		/* default stack size */
57 #endif
58 
59 #ifndef	MAXSSIZ
60 #define	MAXSSIZ		(32*1024*1024)		/* max stack size */
61 #endif
62 
63 /*
64  * Size of shared memory map
65  */
66 #ifndef	SHMMAXPGS
67 #define	SHMMAXPGS	1024
68 #endif
69 
70 /*
71  * Size of User Raw I/O map
72  */
73 #define	USRIOSIZE	1024
74 
75 /*
76  * Would like to have MAX addresses = 0, but this doesn't (currently) work
77  */
78 #define	VM_MIN_ADDRESS		((vaddr_t)0)
79 #define	VM_MAXUSER_ADDRESS	((vaddr_t)0xfffff000)
80 #define	VM_MAX_ADDRESS		VM_MAXUSER_ADDRESS
81 #define	VM_MIN_KERNEL_ADDRESS	((vaddr_t)(KERNEL_SR << ADDR_SR_SHFT))
82 #define	VM_MAX_KERNEL_ADDRESS	(VM_MIN_KERNEL_ADDRESS + SEGMENT_LENGTH - 1)
83 
84 #define	VM_PHYS_SIZE		(USRIOSIZE * NBPG)
85 
86 #define	__HAVE_PMAP_PHYSSEG
87 
88 #ifndef _LOCORE
89 struct pmap_physseg {
90 	struct pv_entry *pvent;
91 	char *attrs;
92 };
93 #endif
94 
95 #define VM_PHYSSEG_MAX		32
96 #define VM_PHYSSEG_STRAT	VM_PSTRAT_BSEARCH
97 #define VM_PHYSSEG_NOADD		/* can't add RAM after vm_mem_init */
98 
99 #define VM_NFREELIST		1
100 #define VM_FREELIST_DEFAULT	0
101 
102 #endif /* _MACHINE_VMPARAM_H_ */
103 #endif
104