1 /* $NetBSD: vmparam.h,v 1.31 2001/11/15 18:06:18 soren Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the NetBSD 18 * Foundation, Inc. and its contributors. 19 * 4. Neither the name of The NetBSD Foundation nor the names of its 20 * contributors may be used to endorse or promote products derived 21 * from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 * POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 #ifndef _SUN3_VMPARAM_H_ 37 #define _SUN3_VMPARAM_H_ 1 38 39 /* 40 * We use 8K pages on both the sun3 and sun3x. Override PAGE_* 41 * to be compile-time constants. 42 */ 43 #define PAGE_SHIFT 13 44 #define PAGE_SIZE (1 << PAGE_SHIFT) 45 #define PAGE_MASK (PAGE_SIZE - 1) 46 47 #ifdef _SUN3_ 48 #include <machine/vmparam3.h> 49 #endif /* SUN3 */ 50 #ifdef _SUN3X_ 51 #include <machine/vmparam3x.h> 52 #endif /* SUN3X */ 53 #ifdef _LKM 54 #define USRSTACK KERNBASE 55 /* Be conservative. If an LKM is gonna be built for sun3x, define this first */ 56 #ifndef MAXDSIZ 57 #define MAXDSIZ (32*1024*1024) /* max data size */ 58 #endif 59 extern char KERNBASE[]; 60 #endif /* _LKM */ 61 62 /* This is needed by some LKMs. */ 63 #define VM_PHYSSEG_MAX 4 64 65 /* 66 * Mach-derived constants: 67 */ 68 69 /* user/kernel map constants */ 70 #define VM_MIN_ADDRESS ((vaddr_t)0) 71 #define VM_MAX_ADDRESS ((vaddr_t)KERNBASE) 72 #define VM_MAXUSER_ADDRESS ((vaddr_t)KERNBASE) 73 #define VM_MIN_KERNEL_ADDRESS ((vaddr_t)KERNBASE) 74 #define VM_MAX_KERNEL_ADDRESS ((vaddr_t)KERN_END) 75 76 /* virtual sizes (bytes) for various kernel submaps */ 77 #define VM_PHYS_SIZE (USRIOSIZE*NBPG) 78 79 #define VM_PHYSSEG_STRAT VM_PSTRAT_BSEARCH 80 #define VM_PHYSSEG_NOADD /* can't add RAM after vm_mem_init */ 81 82 #define VM_NFREELIST 1 83 #define VM_FREELIST_DEFAULT 0 84 85 #endif /* _SUN3_VMPARAM_H_ */ 86