NetBSD/sys/arch/acorn26/include/param.h

101 lines
3.2 KiB
C

/* $NetBSD: param.h,v 1.1 2002/03/24 15:47:06 bjh21 Exp $ */
/*
* Copyright (c) 1994,1995 Mark Brinicombe.
* 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 RiscBSD team.
* 4. The name "RiscBSD" nor the name of the author may be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY RISCBSD ``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 RISCBSD 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 _ARM26_PARAM_H_
#define _ARM26_PARAM_H_
#ifdef _KERNEL
#include <machine/cpu.h> /* XXX why? */
#include <machine/intr.h> /* XXX for spl(9) */
#endif
#define _MACHINE acorn26
#define MACHINE "acorn26"
#define POOL_SUBPAGE 4096
#define PGSHIFT 15 /* LOG2(NBPG) */
#define NBPG (1 << PGSHIFT) /* bytes/page */
#define PGOFSET (NBPG-1) /* byte offset into page */
#define SSIZE 1 /* initial stack size/NBPG */
#define SINCR 1 /* increment of stack/NBPG */
#define UPAGES 1 /* pages of u-area */
#define USPACE (UPAGES * NBPG) /* total size of u-area */
#ifndef MSGBUFSIZE
#define MSGBUFSIZE NBPG /* default message buffer size */
#endif
#ifndef NMBCLUSTERS
#if defined(_KERNEL_OPT)
#include "opt_gateway.h"
#endif
#ifdef GATEWAY
#define NMBCLUSTERS 512 /* map size, max cluster allocation */
#else
#define NMBCLUSTERS 256 /* map size, max cluster allocation */
#endif
#endif
/*
* Defaults for lower- and upper-bounds for the kmem_map page count.
* Can be overridden by kernel config options.
*/
#define NKMEMPAGES_MIN_DEFAULT 0
#define NKMEMPAGES_MAX_DEFAULT 32
/*
* Reduce UBC KVM usage from its default (8Mb when I looked).
* Also make sure the window size is at least the page size.
*/
#ifndef UBC_WINSHIFT
#define UBC_WINSHIFT PGSHIFT
#endif
#ifndef UBC_NWINS
#define UBC_NWINS 32
#endif
#ifdef _KERNEL
#ifndef _LOCORE
void delay __P((unsigned));
#define DELAY(x) delay(x)
#endif
#endif
#include <arm/param.h>
#endif /* _ARM_PARAM_H_ */