1*ec8d43fcSmrg /* $NetBSD: param3.h,v 1.57 2018/03/03 03:19:36 mrg Exp $ */ 220af809cScgd 3c6b347c3Sglass /* 49b6bd2d9Srmind * Copyright (c) 1988 University of Utah. 5813f1370Sgwr * Copyright (c) 1982, 1986, 1990, 1993 6813f1370Sgwr * The Regents of the University of California. All rights reserved. 7c6b347c3Sglass * 8c6b347c3Sglass * This code is derived from software contributed to Berkeley by 9c6b347c3Sglass * the Systems Programming Group of the University of Utah Computer 10c6b347c3Sglass * Science Department. 11c6b347c3Sglass * 12c6b347c3Sglass * Redistribution and use in source and binary forms, with or without 13c6b347c3Sglass * modification, are permitted provided that the following conditions 14c6b347c3Sglass * are met: 15c6b347c3Sglass * 1. Redistributions of source code must retain the above copyright 16c6b347c3Sglass * notice, this list of conditions and the following disclaimer. 17c6b347c3Sglass * 2. Redistributions in binary form must reproduce the above copyright 18c6b347c3Sglass * notice, this list of conditions and the following disclaimer in the 19c6b347c3Sglass * documentation and/or other materials provided with the distribution. 20aad01611Sagc * 3. Neither the name of the University nor the names of its contributors 21aad01611Sagc * may be used to endorse or promote products derived from this software 22aad01611Sagc * without specific prior written permission. 23aad01611Sagc * 24aad01611Sagc * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25aad01611Sagc * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26aad01611Sagc * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27aad01611Sagc * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28aad01611Sagc * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29aad01611Sagc * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30aad01611Sagc * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31aad01611Sagc * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32aad01611Sagc * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33aad01611Sagc * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34aad01611Sagc * SUCH DAMAGE. 35aad01611Sagc * 36aad01611Sagc * from: Utah Hdr: machparam.h 1.16 92/12/20 37aad01611Sagc * from: @(#)param.h 8.1 (Berkeley) 6/10/93 38aad01611Sagc */ 39c6b347c3Sglass 40c6b347c3Sglass /* 41399b15ebSgwr * Machine dependent constants for the Sun3 series. 42c6b347c3Sglass */ 4305b8948cSveego 448e16588bStsutsui #define KERNBASE3 0x0E000000 /* start of kernel virtual */ 458e16588bStsutsui #define KERN_END3 0x0FE00000 /* end of kernel virtual */ 46f85debecStsutsui 47f85debecStsutsui /* 48f85debecStsutsui * Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized 49f85debecStsutsui * logical pages. 50f85debecStsutsui * Note maximum value can't be so large due to limited KVA space as above. 51f85debecStsutsui */ 52f85debecStsutsui #define NKMEMPAGES_MIN_DEFAULT ((8 * 1024 * 1024) >> PAGE_SHIFT) 53f85debecStsutsui #define NKMEMPAGES_MAX_DEFAULT ((16 * 1024 * 1024) >> PAGE_SHIFT) 54fc789a37Stsutsui 55fc789a37Stsutsui /* Use smaller UBC_NWINS to avoid KVA space shortage. */ 56*ec8d43fcSmrg #define UBC_NWINS 128 57*ec8d43fcSmrg #define MAXEXEC 1 58