1 /* $NetBSD: vmparam.h,v 1.34 2010/04/30 13:48:55 pooka 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 #define USRSTACK KERNBASE 41 42 #ifdef _SUN3_ 43 #include <machine/vmparam3.h> 44 #endif /* SUN3 */ 45 #ifdef _SUN3X_ 46 #include <machine/vmparam3x.h> 47 #endif /* SUN3X */ 48 49 /* default for modules etc. */ 50 #if !defined(_SUN3_) && !defined(_SUN3X_) 51 #include <machine/vmparam3.h> 52 #endif 53 54 /* XXX: this makes modules *compile* */ 55 #ifdef _MODULE 56 extern char KERNBASE[]; 57 #endif 58 59 /* This is needed by some LKMs. */ 60 #define VM_PHYSSEG_MAX 4 61 62 /* 63 * Mach-derived constants: 64 */ 65 66 /* user/kernel map constants */ 67 #define VM_MIN_ADDRESS ((vaddr_t)0) 68 #define VM_MAX_ADDRESS ((vaddr_t)KERNBASE) 69 #define VM_MAXUSER_ADDRESS ((vaddr_t)KERNBASE) 70 #define VM_MIN_KERNEL_ADDRESS ((vaddr_t)KERNBASE) 71 #define VM_MAX_KERNEL_ADDRESS ((vaddr_t)KERN_END) 72 73 /* virtual sizes (bytes) for various kernel submaps */ 74 #define VM_PHYS_SIZE (USRIOSIZE*PAGE_SIZE) 75 76 #define VM_PHYSSEG_STRAT VM_PSTRAT_BSEARCH 77 #define VM_PHYSSEG_NOADD /* can't add RAM after vm_mem_init */ 78 79 #define VM_NFREELIST 1 80 #define VM_FREELIST_DEFAULT 0 81 82 #endif /* _SUN3_VMPARAM_H_ */ 83