115 lines
3.9 KiB
C
115 lines
3.9 KiB
C
/* $NetBSD: param.h,v 1.27 1999/02/09 17:15:52 tv Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1988 University of Utah.
|
|
* Copyright (c) 1992, 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 and Ralph Campbell.
|
|
*
|
|
* 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 1.11 89/08/14
|
|
*
|
|
* @(#)param.h 8.1 (Berkeley) 6/10/93
|
|
*/
|
|
|
|
/*
|
|
* Machine-dependent constants (VM, etc) common across MIPS cpus
|
|
*/
|
|
|
|
#include <mips/mips_param.h>
|
|
|
|
/*
|
|
* Machine dependent constants for mips-based DECstations.
|
|
*/
|
|
|
|
#define _MACHINE_ARCH mipsel
|
|
#define MACHINE_ARCH "mipsel"
|
|
#define _MACHINE pmax
|
|
#define MACHINE "pmax"
|
|
#define MID_MACHINE MID_PMAX
|
|
|
|
#define KERNBASE 0x80000000 /* start of kernel virtual */
|
|
#define KERNTEXTOFF 0x80030000 /* start of kernel text for kvm_mkdb */
|
|
#define BTOPKERNBASE ((u_long)KERNBASE >> PGSHIFT)
|
|
|
|
#define DEV_BSIZE 512
|
|
#define DEV_BSHIFT 9 /* log2(DEV_BSIZE) */
|
|
#define BLKDEV_IOSIZE 2048
|
|
#define MAXPHYS (64 * 1024) /* max raw I/O transfer size */
|
|
|
|
#define CLSIZE 1
|
|
#define CLSIZELOG2 0
|
|
|
|
/*
|
|
* Constants related to network buffer management.
|
|
* MCLBYTES must be no larger than CLBYTES (the software page size), and,
|
|
* on machines that exchange pages of input or output buffers with mbuf
|
|
* clusters (MAPPED_MBUFS), MCLBYTES must also be an integral multiple
|
|
* of the hardware page size.
|
|
*/
|
|
#define MSIZE 128 /* size of an mbuf */
|
|
|
|
#ifndef MCLSHIFT
|
|
|
|
# define MCLSHIFT 11 /* convert bytes to m_buf clusters */
|
|
/* 2K cluster can hold Ether frame */
|
|
#endif /* MCLSHIFT */
|
|
|
|
#define MCLBYTES (1 << MCLSHIFT) /* size of a m_buf cluster */
|
|
#define MCLOFSET (MCLBYTES - 1)
|
|
|
|
#ifndef NMBCLUSTERS
|
|
|
|
#if defined(_KERNEL) && !defined(_LKM)
|
|
#include "opt_gateway.h"
|
|
#endif /* _KERNEL && ! _LKM */
|
|
|
|
#ifdef GATEWAY
|
|
#define NMBCLUSTERS 2048 /* map size, max cluster allocation */
|
|
#else
|
|
#define NMBCLUSTERS 1024 /* map size, max cluster allocation */
|
|
#endif
|
|
#endif
|
|
|
|
#include <machine/intr.h>
|
|
|
|
#ifdef _KERNEL
|
|
#ifndef _LOCORE
|
|
|
|
extern void delay __P((int n));
|
|
extern int cpuspeed;
|
|
#define DELAY(n) { register int N = cpuspeed * (n); while (--N > 0); }
|
|
|
|
#endif /* !_LOCORE */
|
|
#endif /* _KERNEL */
|