vmparam.h revision 1.2.6.3
1 1.2.6.3 bouyer /* $NetBSD: vmparam.h,v 1.2.6.3 2001/01/05 17:34:58 bouyer Exp $ */ 2 1.2.6.2 bouyer 3 1.2.6.2 bouyer /*- 4 1.2.6.2 bouyer * Copyright (C) 1995, 1996 Wolfgang Solfrank. 5 1.2.6.2 bouyer * Copyright (C) 1995, 1996 TooLs GmbH. 6 1.2.6.2 bouyer * All rights reserved. 7 1.2.6.2 bouyer * 8 1.2.6.2 bouyer * Redistribution and use in source and binary forms, with or without 9 1.2.6.2 bouyer * modification, are permitted provided that the following conditions 10 1.2.6.2 bouyer * are met: 11 1.2.6.2 bouyer * 1. Redistributions of source code must retain the above copyright 12 1.2.6.2 bouyer * notice, this list of conditions and the following disclaimer. 13 1.2.6.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 14 1.2.6.2 bouyer * notice, this list of conditions and the following disclaimer in the 15 1.2.6.2 bouyer * documentation and/or other materials provided with the distribution. 16 1.2.6.2 bouyer * 3. All advertising materials mentioning features or use of this software 17 1.2.6.2 bouyer * must display the following acknowledgement: 18 1.2.6.2 bouyer * This product includes software developed by TooLs GmbH. 19 1.2.6.2 bouyer * 4. The name of TooLs GmbH may not be used to endorse or promote products 20 1.2.6.2 bouyer * derived from this software without specific prior written permission. 21 1.2.6.2 bouyer * 22 1.2.6.2 bouyer * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR 23 1.2.6.2 bouyer * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 1.2.6.2 bouyer * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 1.2.6.2 bouyer * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 1.2.6.2 bouyer * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 27 1.2.6.2 bouyer * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 28 1.2.6.2 bouyer * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 29 1.2.6.2 bouyer * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 30 1.2.6.2 bouyer * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 31 1.2.6.2 bouyer * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 1.2.6.2 bouyer */ 33 1.2.6.2 bouyer 34 1.2.6.2 bouyer #ifndef _MACHINE_VMPARAM_H_ 35 1.2.6.2 bouyer #define _MACHINE_VMPARAM_H_ 36 1.2.6.2 bouyer 37 1.2.6.2 bouyer #define USRTEXT NBPG 38 1.2.6.2 bouyer #define USRSTACK VM_MAXUSER_ADDRESS 39 1.2.6.2 bouyer 40 1.2.6.2 bouyer #ifndef MAXTSIZ 41 1.2.6.2 bouyer #define MAXTSIZ (16*1024*1024) /* max text size */ 42 1.2.6.2 bouyer #endif 43 1.2.6.2 bouyer 44 1.2.6.2 bouyer #ifndef DFLDSIZ 45 1.2.6.2 bouyer #define DFLDSIZ (32*1024*1024) /* default data size */ 46 1.2.6.2 bouyer #endif 47 1.2.6.2 bouyer 48 1.2.6.2 bouyer #ifndef MAXDSIZ 49 1.2.6.2 bouyer #define MAXDSIZ (512*1024*1024) /* max data size */ 50 1.2.6.2 bouyer #endif 51 1.2.6.2 bouyer 52 1.2.6.2 bouyer #ifndef DFLSSIZ 53 1.2.6.2 bouyer #define DFLSSIZ (1*1024*1024) /* default stack size */ 54 1.2.6.2 bouyer #endif 55 1.2.6.2 bouyer 56 1.2.6.2 bouyer #ifndef MAXSSIZ 57 1.2.6.2 bouyer #define MAXSSIZ (32*1024*1024) /* max stack size */ 58 1.2.6.2 bouyer #endif 59 1.2.6.2 bouyer 60 1.2.6.2 bouyer /* 61 1.2.6.2 bouyer * Size of shared memory map 62 1.2.6.2 bouyer */ 63 1.2.6.2 bouyer #ifndef SHMMAXPGS 64 1.2.6.2 bouyer #define SHMMAXPGS 1024 65 1.2.6.2 bouyer #endif 66 1.2.6.2 bouyer 67 1.2.6.2 bouyer /* 68 1.2.6.2 bouyer * Size of User Raw I/O map 69 1.2.6.2 bouyer */ 70 1.2.6.2 bouyer #define USRIOSIZE 1024 71 1.2.6.2 bouyer 72 1.2.6.2 bouyer /* 73 1.2.6.2 bouyer * The time for a process to be blocked before being very swappable. 74 1.2.6.2 bouyer * This is a number of seconds which the system takes as being a non-trivial 75 1.2.6.2 bouyer * amount of real time. You probably shouldn't change this; 76 1.2.6.2 bouyer * it is used in subtle ways (fractions and multiples of it are, that is, like 77 1.2.6.2 bouyer * half of a ``long time'', almost a long time, etc.) 78 1.2.6.2 bouyer * It is related to human patience and other factors which don't really 79 1.2.6.2 bouyer * change over time. 80 1.2.6.2 bouyer */ 81 1.2.6.2 bouyer #define MAXSLP 20 82 1.2.6.2 bouyer 83 1.2.6.2 bouyer /* 84 1.2.6.2 bouyer * Would like to have MAX addresses = 0, but this doesn't (currently) work 85 1.2.6.2 bouyer */ 86 1.2.6.2 bouyer #define VM_MIN_ADDRESS ((vaddr_t)0) 87 1.2.6.2 bouyer #define VM_MAXUSER_ADDRESS ((vaddr_t)0xfffff000) 88 1.2.6.2 bouyer #define VM_MAX_ADDRESS VM_MAXUSER_ADDRESS 89 1.2.6.2 bouyer #define VM_MIN_KERNEL_ADDRESS ((vaddr_t)(KERNEL_SR << ADDR_SR_SHFT)) 90 1.2.6.2 bouyer #define VM_MAX_KERNEL_ADDRESS (VM_MIN_KERNEL_ADDRESS + SEGMENT_LENGTH - 1) 91 1.2.6.2 bouyer 92 1.2.6.3 bouyer /* XXX max. amount of KVM to be used by buffers. */ 93 1.2.6.3 bouyer #ifndef VM_MAX_KERNEL_BUF 94 1.2.6.3 bouyer #define VM_MAX_KERNEL_BUF (SEGMENT_LENGTH * 7 / 10) 95 1.2.6.3 bouyer #endif 96 1.2.6.3 bouyer 97 1.2.6.3 bouyer /* 98 1.2.6.3 bouyer * Override the default pager_map size, there's not enough KVA. 99 1.2.6.3 bouyer */ 100 1.2.6.3 bouyer #define PAGER_MAP_SIZE (4 * 1024 * 1024) 101 1.2.6.3 bouyer 102 1.2.6.2 bouyer #define VM_PHYS_SIZE (USRIOSIZE * NBPG) 103 1.2.6.2 bouyer 104 1.2.6.2 bouyer struct pmap_physseg { 105 1.2.6.2 bouyer struct pv_entry *pvent; 106 1.2.6.2 bouyer char *attrs; 107 1.2.6.2 bouyer }; 108 1.2.6.2 bouyer 109 1.2.6.2 bouyer #define VM_PHYSSEG_MAX 32 110 1.2.6.2 bouyer #define VM_PHYSSEG_STRAT VM_PSTRAT_BSEARCH 111 1.2.6.2 bouyer #define VM_PHYSSEG_NOADD /* can't add RAM after vm_mem_init */ 112 1.2.6.2 bouyer 113 1.2.6.2 bouyer #define VM_NFREELIST 1 114 1.2.6.2 bouyer #define VM_FREELIST_DEFAULT 0 115 1.2.6.2 bouyer 116 1.2.6.2 bouyer #endif /* _MACHINE_VMPARAM_H_ */ 117
Indexes created Wed Oct 15 07:09:58 GMT 2025