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/* $OpenBSD: param.h,v 1.48 2022/09/10 20:35:28 miod 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.
*/
#ifndef _MACHINE_PARAM_H_
#define _MACHINE_PARAM_H_
#ifdef _KERNEL
#include <machine/cpu.h>
#include <machine/intr.h>
#endif
#define _MACHINE hppa
#define MACHINE "hppa"
#define _MACHINE_ARCH hppa
#define MACHINE_ARCH "hppa"
#define MID_MACHINE MID_HPUX800
#define PAGE_SHIFT 12
#define PAGE_SIZE (1 << PAGE_SHIFT)
#define PAGE_MASK (PAGE_SIZE - 1)
#define KERNBASE 0x00000000 /* start of kernel virtual */
#ifdef _KERNEL
#define NBPG PAGE_SIZE /* bytes/page */
#define PGSHIFT PAGE_SHIFT /* LOG2(PAGE_SIZE) */
#define PGOFSET PAGE_MASK /* byte offset into page */
#define UPAGES 4 /* pages of u-area */
#define USPACE (UPAGES * PAGE_SIZE) /* total size of u-area */
#define USPACE_ALIGN 0 /* u-area alignment 0-none */
#define NMBCLUSTERS (32 * 1024) /* max cluster allocation */
#ifndef MSGBUFSIZE
#define MSGBUFSIZE (2 * PAGE_SIZE) /* default message buffer size */
#endif
/*
* Maximum size of the kernel malloc arena in PAGE_SIZE-sized
* logical pages.
*/
#define NKMEMPAGES_MAX_DEFAULT ((128 * 1024 * 1024) >> PAGE_SHIFT)
#endif /* _KERNEL */
#define MACHINE_STACK_GROWS_UP 1 /* stack grows to higher addresses */
#endif /* _MACHINE_PARAM_H_ */
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