1 /* $NetBSD: vmparam.h,v 1.9 2002/07/31 16:23:37 matt Exp $ */ 2 3 #ifndef OLDPMAP 4 #define USER_SR 11 5 #include <powerpc/mpc6xx/vmparam.h> 6 #else 7 /*- 8 * Copyright (C) 1995, 1996 Wolfgang Solfrank. 9 * Copyright (C) 1995, 1996 TooLs GmbH. 10 * All rights reserved. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by TooLs GmbH. 23 * 4. The name of TooLs GmbH may not be used to endorse or promote products 24 * derived from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR 27 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 28 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 29 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 31 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 32 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 33 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 34 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 35 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38 #ifndef _MACHINE_VMPARAM_H_ 39 #define _MACHINE_VMPARAM_H_ 40 41 #define USRTEXT NBPG 42 #define USRSTACK VM_MAXUSER_ADDRESS 43 44 #ifndef MAXTSIZ 45 #define MAXTSIZ (16*1024*1024) /* max text size */ 46 #endif 47 48 #ifndef DFLDSIZ 49 #define DFLDSIZ (32*1024*1024) /* default data size */ 50 #endif 51 52 #ifndef MAXDSIZ 53 #define MAXDSIZ (512*1024*1024) /* max data size */ 54 #endif 55 56 #ifndef DFLSSIZ 57 #define DFLSSIZ (1*1024*1024) /* default stack size */ 58 #endif 59 60 #ifndef MAXSSIZ 61 #define MAXSSIZ (32*1024*1024) /* max stack size */ 62 #endif 63 64 /* 65 * Size of shared memory map 66 */ 67 #ifndef SHMMAXPGS 68 #define SHMMAXPGS 1024 69 #endif 70 71 /* 72 * Size of User Raw I/O map 73 */ 74 #define USRIOSIZE 1024 75 76 /* 77 * Would like to have MAX addresses = 0, but this doesn't (currently) work 78 */ 79 #define VM_MIN_ADDRESS ((vaddr_t)0) 80 #define VM_MAXUSER_ADDRESS ((vaddr_t)0xfffff000) 81 #define VM_MAX_ADDRESS VM_MAXUSER_ADDRESS 82 #define VM_MIN_KERNEL_ADDRESS ((vaddr_t)(KERNEL_SR << ADDR_SR_SHFT)) 83 #define VM_MAX_KERNEL_ADDRESS (VM_MIN_KERNEL_ADDRESS + SEGMENT_LENGTH - 1) 84 85 /* XXX max. amount of KVM to be used by buffers. */ 86 #ifndef VM_MAX_KERNEL_BUF 87 #define VM_MAX_KERNEL_BUF (SEGMENT_LENGTH * 7 / 10) 88 #endif 89 90 /* 91 * Override the default pager_map size, there's not enough KVA. 92 */ 93 #define PAGER_MAP_SIZE (4 * 1024 * 1024) 94 95 #define VM_PHYS_SIZE (USRIOSIZE * NBPG) 96 97 #define __HAVE_PMAP_PHYSSEG 98 99 #ifndef _LOCORE 100 struct pmap_physseg { 101 struct pv_entry *pvent; 102 char *attrs; 103 }; 104 #endif /* _LOCORE */ 105 106 #define VM_PHYSSEG_MAX 32 107 #define VM_PHYSSEG_STRAT VM_PSTRAT_BSEARCH 108 #define VM_PHYSSEG_NOADD /* can't add RAM after vm_mem_init */ 109 110 #define VM_NFREELIST 1 111 #define VM_FREELIST_DEFAULT 0 112 113 #endif /* _MACHINE_VMPARAM_H_ */ 114 #endif 115