1 /* $NetBSD: vmparam.h,v 1.33 2008/04/28 20:23:38 martin 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef _SUN3_VMPARAM_H_ 30 #define _SUN3_VMPARAM_H_ 1 31 32 /* 33 * We use 8K pages on both the sun3 and sun3x. Override PAGE_* 34 * to be compile-time constants. 35 */ 36 #define PAGE_SHIFT 13 37 #define PAGE_SIZE (1 << PAGE_SHIFT) 38 #define PAGE_MASK (PAGE_SIZE - 1) 39 40 #ifdef _SUN3_ 41 #include <machine/vmparam3.h> 42 #endif /* SUN3 */ 43 #ifdef _SUN3X_ 44 #include <machine/vmparam3x.h> 45 #endif /* SUN3X */ 46 #ifdef _LKM 47 #define USRSTACK KERNBASE 48 /* Be conservative. If an LKM is gonna be built for sun3x, define this first */ 49 #ifndef MAXDSIZ 50 #define MAXDSIZ (32*1024*1024) /* max data size */ 51 #endif 52 extern char KERNBASE[]; 53 #endif /* _LKM */ 54 55 /* This is needed by some LKMs. */ 56 #define VM_PHYSSEG_MAX 4 57 58 /* 59 * Mach-derived constants: 60 */ 61 62 /* user/kernel map constants */ 63 #define VM_MIN_ADDRESS ((vaddr_t)0) 64 #define VM_MAX_ADDRESS ((vaddr_t)KERNBASE) 65 #define VM_MAXUSER_ADDRESS ((vaddr_t)KERNBASE) 66 #define VM_MIN_KERNEL_ADDRESS ((vaddr_t)KERNBASE) 67 #define VM_MAX_KERNEL_ADDRESS ((vaddr_t)KERN_END) 68 69 /* virtual sizes (bytes) for various kernel submaps */ 70 #define VM_PHYS_SIZE (USRIOSIZE*PAGE_SIZE) 71 72 #define VM_PHYSSEG_STRAT VM_PSTRAT_BSEARCH 73 #define VM_PHYSSEG_NOADD /* can't add RAM after vm_mem_init */ 74 75 #define VM_NFREELIST 1 76 #define VM_FREELIST_DEFAULT 0 77 78 #endif /* _SUN3_VMPARAM_H_ */ 79