1 /* $NetBSD: vmparam.h,v 1.6 2001/06/17 16:01:29 nonaka Exp $ */ 2 3 #ifdef NEWPMAP 4 #include <powerpc/mpc6xx/vmparam.h> 5 #else 6 /*- 7 * Copyright (C) 1995, 1996 Wolfgang Solfrank. 8 * Copyright (C) 1995, 1996 TooLs GmbH. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by TooLs GmbH. 22 * 4. The name of TooLs GmbH may not be used to endorse or promote products 23 * derived from this software without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR 26 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 27 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 28 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 29 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 30 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 31 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 32 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 33 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 34 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 35 */ 36 37 #ifndef _MACHINE_VMPARAM_H_ 38 #define _MACHINE_VMPARAM_H_ 39 40 #define USRTEXT NBPG 41 #define USRSTACK VM_MAXUSER_ADDRESS 42 43 #ifndef MAXTSIZ 44 #define MAXTSIZ (16*1024*1024) /* max text size */ 45 #endif 46 47 #ifndef DFLDSIZ 48 #define DFLDSIZ (32*1024*1024) /* default data size */ 49 #endif 50 51 #ifndef MAXDSIZ 52 #define MAXDSIZ (512*1024*1024) /* max data size */ 53 #endif 54 55 #ifndef DFLSSIZ 56 #define DFLSSIZ (1*1024*1024) /* default stack size */ 57 #endif 58 59 #ifndef MAXSSIZ 60 #define MAXSSIZ (32*1024*1024) /* max stack size */ 61 #endif 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 ((vaddr_t)0) 90 #define VM_MAXUSER_ADDRESS ((vaddr_t)0xfffff000) 91 #define VM_MAX_ADDRESS VM_MAXUSER_ADDRESS 92 #define VM_MIN_KERNEL_ADDRESS ((vaddr_t)(KERNEL_SR << ADDR_SR_SHFT)) 93 #define VM_MAX_KERNEL_ADDRESS (VM_MIN_KERNEL_ADDRESS + SEGMENT_LENGTH - 1) 94 95 /* XXX max. amount of KVM to be used by buffers. */ 96 #ifndef VM_MAX_KERNEL_BUF 97 #define VM_MAX_KERNEL_BUF (SEGMENT_LENGTH * 7 / 10) 98 #endif 99 100 /* 101 * Override the default pager_map size, there's not enough KVA. 102 */ 103 #define PAGER_MAP_SIZE (4 * 1024 * 1024) 104 105 #define VM_PHYS_SIZE (USRIOSIZE * NBPG) 106 107 #define __HAVE_PMAP_PHYSSEG 108 109 #ifndef _LOCORE 110 struct pmap_physseg { 111 struct pv_entry *pvent; 112 char *attrs; 113 }; 114 #endif /* _LOCORE */ 115 116 #define VM_PHYSSEG_MAX 32 117 #define VM_PHYSSEG_STRAT VM_PSTRAT_BSEARCH 118 #define VM_PHYSSEG_NOADD /* can't add RAM after vm_mem_init */ 119 120 #define VM_NFREELIST 1 121 #define VM_FREELIST_DEFAULT 0 122 123 #endif /* _MACHINE_VMPARAM_H_ */ 124 #endif 125