/*      $NetBSD: param3.h,v 1.60 2026/07/03 17:35:10 thorpej Exp $      */

/*
 * Copyright (c) 1988 University of Utah.
 * Copyright (c) 1982, 1986, 1990, 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.
 *
 * 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. 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 1.16 92/12/20
 *      from: @(#)param.h       8.1 (Berkeley) 6/10/93
 */

/*
 * Machine dependent constants for the Sun3 series.
 */

#define KERNBASE3       0x0E000000      /* start of kernel virtual */
#define KERN_END3       0x0FE00000      /* end of kernel virtual */

/*
 * Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized
 * logical pages.
 * Note maximum value can't be so large due to limited KVA space as above.
 */
#define NKMEMPAGES_MAX_DEFAULT  ((16 * 1024 * 1024) >> PAGE_SHIFT)

#if !defined(__mc68010__)       /* sun68k libsa always builds for 68010 */
/*
 * Clamp UBC parameters; the default consume way to much kernel VA space,
 * and it's in short supply on Sun3.
 */
#define UBC_WINSHIFT    13              /* 8KB */
#define UBC_NWINS       128             /* -> 1024KB */

#define MAXEXEC         1
#endif