NetBSD/sys/arch/sun2/include/param.h

114 lines
4.0 KiB
C
Raw Normal View History

/* $NetBSD: param.h,v 1.3 2001/05/14 20:35:58 fredette Exp $ */
2001-03-29 08:35:09 +04:00
/*
* Copyright (c) 1988 University of Utah.
* Copyright (c) 1982, 1986, 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* the Systems Programming Group of the University of Utah Computer
* Science Department.
*
* 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 University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
*
* from: Utah Hdr: machparam.h 1.16 92/12/20
* from: @(#)param.h 8.1 (Berkeley) 6/10/93
*/
#ifndef _MACHINE_PARAM_H_
#define _MACHINE_PARAM_H_
/*
* Machine dependent constants for the Sun2 series.
*/
#define _MACHINE sun2
#define MACHINE "sun2"
#define _MACHINE_ARCH m68000
#define MACHINE_ARCH "m68000"
#define MID_MACHINE MID_M680002K
#define PGSHIFT 11 /* LOG2(NBPG) */
2001-03-29 08:35:09 +04:00
#ifdef MSGBUFSIZE
#error "MSGBUFSIZE is not user-adjustable for this arch"
#endif
#define MSGBUFOFF 0x0
#define MSGBUFSIZE ((NBPG * 4) - MSGBUFOFF)
2001-03-29 08:35:09 +04:00
/* This is needed by ps (actually USPACE). */
#define UPAGES (16384 / NBPG) /* pages of u-area */
#if defined(_KERNEL) || defined(_STANDALONE)
#define KERNBASE 0x00006000 /* start of kernel virtual */
2001-03-29 08:35:09 +04:00
#define KERN_END 0x00E00000 /* end of kernel virtual */
#define SEGSHIFT 15 /* LOG2(NBSG) */
#define NBSG (1 << SEGSHIFT) /* bytes/segment */
#define SEGOFSET (NBSG-1) /* byte offset into segment */
#define MAXBSIZE 0x2000 /* max FS block size */
/*
* XXX fredette - we force a small number of mbuf clusters and cluster
* size to help me debug this on my low-memory machine. These should
* go away at some point.
*/
#define NMBCLUSTERS 64 /* map size, max cluster allocation */
#define MCLSHIFT 10
/*
* XXX fredette - we must define this, otw UBC consumes 8MB of kernel VM.
* For now, we make it absurdly small, perhaps it can grow later.
*/
#define UBC_NWINS 32
2001-03-29 08:35:09 +04:00
#endif /* _KERNEL */
#include <m68k/param.h>
/*
* Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized
* logical pages.
*/
#define NKMEMPAGES_MIN_DEFAULT ((3 * 1024 * 1024) >> PAGE_SHIFT)
#define NKMEMPAGES_MAX_DEFAULT ((3 * 1024 * 1024) >> PAGE_SHIFT)
#if defined(_KERNEL) && !defined(_LOCORE)
/* XXX - Does this really belong here? -gwr */
#include <machine/psl.h>
extern void _delay __P((unsigned));
#define delay(us) _delay((us)<<8)
#define DELAY(n) delay(n)
#endif /* _KERNEL && !_LOCORE */
#endif /* !_MACHINE_PARAM_H_ */