101 lines
3.3 KiB
C
101 lines
3.3 KiB
C
/* $NetBSD: param.h,v 1.14 2002/02/12 06:58:19 thorpej 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 arm26
|
|
#define MACHINE "arm26"
|
|
|
|
#define POOL_SUBPAGE 4096
|
|
|
|
#define PGSHIFT 15 /* LOG2(NBPG) */
|
|
#define NBPG (1 << PGSHIFT) /* bytes/page */
|
|
#define PGOFSET (NBPG-1) /* byte offset into page */
|
|
|
|
#define CLSIZELOG2 0
|
|
#define CLSIZE (1 << CLSIZELOG2)
|
|
|
|
/* NOTE: SSIZE, SINCR and UPAGES must be multiples of CLSIZE */
|
|
#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
|
|
#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_ */
|