1 /* $NetBSD: vmparam.h,v 1.2 1997/12/18 09:08:04 sakamoto Exp $ */ 2 3 /*- 4 * Copyright (C) 1995, 1996 Wolfgang Solfrank. 5 * Copyright (C) 1995, 1996 TooLs GmbH. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by TooLs GmbH. 19 * 4. The name of TooLs GmbH may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 27 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 28 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #define USRTEXT CLBYTES 35 #define USRSTACK VM_MAXUSER_ADDRESS 36 37 #ifndef MAXTSIZ 38 #define MAXTSIZ (16*1024*1024) /* max text size */ 39 #endif 40 41 #ifndef DFLDSIZ 42 #define DFLDSIZ (16*1024*1024) /* default data size */ 43 #endif 44 45 #ifndef MAXDSIZ 46 #define MAXDSIZ (512*1024*1024) /* max data size */ 47 #endif 48 49 #ifndef DFLSSIZ 50 #define DFLSSIZ (1*1024*1024) /* default stack size */ 51 #endif 52 53 #ifndef MAXSSIZ 54 #define MAXSSIZ (32*1024*1024) /* max stack size */ 55 #endif 56 57 /* 58 * Min & Max swap space allocation chunks 59 */ 60 #define DMMIN 32 61 #define DMMAX 4096 62 63 /* 64 * Size of shared memory map 65 */ 66 #ifndef SHMMAXPGS 67 #define SHMMAXPGS 1024 68 #endif 69 70 /* 71 * Size of User Raw I/O map 72 */ 73 #define USRIOSIZE 1024 74 75 /* 76 * The time for a process to be blocked before being very swappable. 77 * This is a number of seconds which the system takes as being a non-trivial 78 * amount of real time. You probably shouldn't change this; 79 * it is used in subtle ways (fractions and multiples of it are, that is, like 80 * half of a ``long time'', almost a long time, etc.) 81 * It is related to human patience and other factors which don't really 82 * change over time. 83 */ 84 #define MAXSLP 20 85 86 /* 87 * Would like to have MAX addresses = 0, but this doesn't (currently) work 88 */ 89 #define VM_MIN_ADDRESS ((vm_offset_t)0) 90 #define VM_MAXUSER_ADDRESS ((vm_offset_t)0xfffff000) 91 #define VM_MAX_ADDRESS VM_MAXUSER_ADDRESS 92 #define VM_MIN_KERNEL_ADDRESS ((vm_offset_t)(KERNEL_SR << ADDR_SR_SHFT)) 93 94 #define VM_KMEM_SIZE (NKMEMCLUSTERS * CLBYTES) 95 #define VM_MBUF_SIZE (NMBCLUSTERS * CLBYTES) 96 #define VM_PHYS_SIZE (USRIOSIZE * CLBYTES) 97 98 #define SAFERSS 4 99 100 #define MACHINE_NONCONTIG 101