97 lines
3.6 KiB
C
97 lines
3.6 KiB
C
/* $NetBSD: vmparam.h,v 1.30 2001/07/03 05:17:12 chs Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1998 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the NetBSD
|
|
* Foundation, Inc. and its contributors.
|
|
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
|
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef _SUN3_VMPARAM_H_
|
|
#define _SUN3_VMPARAM_H_ 1
|
|
|
|
/*
|
|
* We use 8K pages on both the sun3 and sun3x. Override PAGE_*
|
|
* to be compile-time constants.
|
|
*/
|
|
#define PAGE_SHIFT 13
|
|
#define PAGE_SIZE (1 << PAGE_SHIFT)
|
|
#define PAGE_MASK (PAGE_SIZE - 1)
|
|
|
|
#ifdef _SUN3_
|
|
#include <machine/vmparam3.h>
|
|
#endif /* SUN3 */
|
|
#ifdef _SUN3X_
|
|
#include <machine/vmparam3x.h>
|
|
#endif /* SUN3X */
|
|
#ifdef _LKM
|
|
#define USRSTACK KERNBASE
|
|
/* Be conservative. If an LKM is gonna be built for sun3x, define this first */
|
|
#ifndef MAXDSIZ
|
|
#define MAXDSIZ (32*1024*1024) /* max data size */
|
|
#endif
|
|
extern char KERNBASE[];
|
|
#endif /* _LKM */
|
|
|
|
/* This is needed by some LKMs. */
|
|
#define VM_PHYSSEG_MAX 4
|
|
|
|
/*
|
|
* The time for a process to be blocked before being very swappable.
|
|
* This is a number of seconds which the system takes as being a non-trivial
|
|
* amount of real time. You probably shouldn't change this;
|
|
* it is used in subtle ways (fractions and multiples of it are, that is, like
|
|
* half of a ``long time'', almost a long time, etc.)
|
|
* It is related to human patience and other factors which don't really
|
|
* change over time.
|
|
*/
|
|
#define MAXSLP 20
|
|
|
|
/*
|
|
* Mach-derived constants:
|
|
*/
|
|
|
|
/* user/kernel map constants */
|
|
#define VM_MIN_ADDRESS ((vaddr_t)0)
|
|
#define VM_MAX_ADDRESS ((vaddr_t)KERNBASE)
|
|
#define VM_MAXUSER_ADDRESS ((vaddr_t)KERNBASE)
|
|
#define VM_MIN_KERNEL_ADDRESS ((vaddr_t)KERNBASE)
|
|
#define VM_MAX_KERNEL_ADDRESS ((vaddr_t)KERN_END)
|
|
|
|
/* virtual sizes (bytes) for various kernel submaps */
|
|
#define VM_PHYS_SIZE (USRIOSIZE*NBPG)
|
|
|
|
#define VM_PHYSSEG_STRAT VM_PSTRAT_BSEARCH
|
|
#define VM_PHYSSEG_NOADD /* can't add RAM after vm_mem_init */
|
|
|
|
#define VM_NFREELIST 1
|
|
#define VM_FREELIST_DEFAULT 0
|
|
|
|
#endif /* _SUN3_VMPARAM_H_ */
|