/*      $OpenBSD: param.h,v 1.49 2023/12/14 13:26:49 claudio 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

#endif /* _KERNEL */

#define MACHINE_STACK_GROWS_UP  1               /* stack grows to higher addresses */

#endif /* _MACHINE_PARAM_H_ */