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/* $OpenBSD: param.h,v 1.17 2012/07/02 18:02:31 deraadt Exp $ */
/*
* Copyright (c) 1988-1994, The University of Utah and
* the Computer Systems Laboratory at the University of Utah (CSL).
* All rights reserved.
*
* Permission to use, copy, modify and distribute this software is hereby
* granted provided that (1) source code retains these copyright, permission,
* and disclaimer notices, and (2) redistributions including binaries
* reproduce the notices in supporting documentation, and (3) all advertising
* materials mentioning features or use of this software display the following
* acknowledgement: ``This product includes software developed by the
* Computer Systems Laboratory at the University of Utah.''
*
* THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
* IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
* ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* CSL requests users of this software to return to csl-dist@cs.utah.edu any
* improvements that they make and grant CSL redistribution rights.
*
* Utah $Hdr: param.h 1.18 94/12/16$
*/
#ifdef _KERNEL
#include <machine/cpu.h>
#include <machine/intr.h>
#endif
/*
* Machine dependent constants for PA-RISC.
*/
#define _MACHINE hppa64
#define MACHINE "hppa64"
#define _MACHINE_ARCH hppa64
#define MACHINE_ARCH "hppa64"
#define MID_MACHINE MID_HPPA20
#define ALIGNBYTES _ALIGNBYTES
#define ALIGN(p) _ALIGN(p)
#define ALIGNED_POINTER(p,t) _ALIGNED_POINTER(p,t)
#define PAGE_SIZE 4096
#define PAGE_MASK (PAGE_SIZE-1)
#define PAGE_SHIFT 12
#define NBPG 4096 /* bytes/page */
#define PGOFSET (NBPG-1) /* byte offset into page */
#define PGSHIFT 12 /* LOG2(NBPG) */
#define KERNBASE 0x00000000 /* start of kernel virtual */
#define DEV_BSHIFT 9 /* log2(DEV_BSIZE) */
#define DEV_BSIZE (1 << DEV_BSHIFT)
#define BLKDEV_IOSIZE 2048
#define MAXPHYS (64 * 1024) /* max raw I/O transfer size */
#define MACHINE_STACK_GROWS_UP 1 /* stack grows to higher addresses */
#define USPACE (5 * NBPG) /* pages for user struct and kstack */
#define USPACE_ALIGN (0) /* u-area alignment 0-none */
#ifndef MSGBUFSIZE
#define MSGBUFSIZE 2*NBPG /* default message buffer size */
#endif
/*
* Constants related to network buffer management.
*/
#define NMBCLUSTERS 4096 /* map size, max cluster allocation */
/*
* Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized
* logical pages.
*/
#define NKMEMPAGES_MIN_DEFAULT ((8 * 1024 * 1024) >> PAGE_SHIFT)
#define NKMEMPAGES_MAX_DEFAULT ((128 * 1024 * 1024) >> PAGE_SHIFT)
/* pages ("clicks") (4096 bytes) to disk blocks */
#define ctod(x) ((x) << (PAGE_SHIFT - DEV_BSHIFT))
#define dtoc(x) ((x) >> (PAGE_SHIFT - DEV_BSHIFT))
#define btodb(x) ((x) >> DEV_BSHIFT)
#define dbtob(x) ((x) << DEV_BSHIFT)
#define __SWAP_BROKEN
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