1/*	$NetBSD: vmparam.h,v 1.4 2019/03/27 17:15:29 christos Exp $	*/
2
3/*
4 * Copyright (c) 1988 The Regents of the University of California.
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 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32#ifndef	_EPOC32_VMPARAM_H_
33#define	_EPOC32_VMPARAM_H_
34
35#include <arm/arm32/vmparam.h>
36
37/*
38 * Address space constants
39 */
40
41/*
42 * The line between user space and kernel space
43 * Mappings >= KERNEL_BASE are constant across all processes
44 */
45#define	KERNEL_BASE		0xc0000000
46
47/*
48 * Size of User Raw I/O map
49 */
50
51#define USRIOSIZE       300
52
53/* virtual sizes (bytes) for various kernel submaps */
54
55#define VM_PHYS_SIZE		(USRIOSIZE*PAGE_SIZE)
56
57/*
58 * max number of non-contig chunks of physical RAM you can have
59 */
60
61#define	VM_PHYSSEG_MAX		32
62
63/*
64 * when converting a physical address to a vm_page structure, we
65 * want to use a binary search on the chunks of physical memory
66 * to find our RAM
67 */
68
69#define	VM_PHYSSEG_STRAT	VM_PSTRAT_BSEARCH
70
71/*
72 * we support 2 free lists:
73 *
74 *	- DEFAULT for all systems
75 */
76
77#define	VM_NFREELIST		1
78#define	VM_FREELIST_DEFAULT	0
79
80#endif	/* _EPOC32_VMPARAM_H_ */
81