/* $NetBSD: vmparam.h,v 1.6 2003/04/02 07:36:03 thorpej Exp $ */ /* * Copyright 2002 Wasabi Systems, Inc. * All rights reserved. * * Written by Steve C. Woodford for Wasabi Systems, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed for the NetBSD Project by * Wasabi Systems, Inc. * 4. The name of Wasabi Systems, Inc. may not be used to endorse * or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /*- * Copyright (c) 2001 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Matt Thomas of Allegro Networks, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef _SH5_VMPARAM_H #define _SH5_VMPARAM_H /* * SH5 VM contants */ #include /* * Virtual Memory constants. * * The kernel always occupies the top 1GB of virtual address space, * regardless of whether it's running in 32- or 64-bit mode. * * User VM space stretches to fill what's left. */ /* * We use 4K pages on the sh5. Override the PAGE_* definitions * to be compile-time constants. */ #define PAGE_SHIFT 12 #define PAGE_SIZE (1 << PAGE_SHIFT) #define PAGE_MASK (PAGE_SIZE - 1) #ifdef _LP64 #define VM_MIN_KERNEL_ADDRESS (0xffffffffe0000000UL) #define VM_MAX_KERNEL_ADDRESS (0xfffffffffffff000UL) #else #define VM_MIN_KERNEL_ADDRESS (0xe0000000UL) #define VM_MAX_KERNEL_ADDRESS (0xfffff000UL) #endif #define VM_MIN_ADDRESS (0) #ifdef _LP64 #define VM_MAXUSER_ADDRESS (0xffffffffc0000000UL - PAGE_SIZE) #else #define VM_MAXUSER_ADDRESS (0xc0000000UL - PAGE_SIZE) #endif #define VM_MAX_ADDRESS VM_MAXUSER_ADDRESS /* * USRSTACK is the top of user stack. */ #define USRSTACK VM_MAXUSER_ADDRESS #define USRSTACK32 USRSTACK /* Virtual memory resoruce limit. */ #define MAXTSIZ (64 * 1024 * 1024) /* max text size */ #ifndef MAXDSIZ #define MAXDSIZ (512 * 1024 * 1024) /* max data size */ #endif #ifndef MAXSSIZ #define MAXSSIZ (32 * 1024 * 1024) /* max stack size */ #endif /* initial data size limit */ #ifndef DFLDSIZ #define DFLDSIZ (128 * 1024 * 1024) #endif /* initial stack size limit */ #ifndef DFLSSIZ #define DFLSSIZ (4 * 1024 * 1024) #endif /* * Size of shared memory map */ #ifndef SHMMAXPGS #define SHMMAXPGS 1024 #endif /* Size of user raw I/O map */ #ifndef USRIOSIZE #define USRIOSIZE (MAXBSIZE / PAGE_SIZE * 8) #endif #define VM_PHYS_SIZE (USRIOSIZE * PAGE_SIZE) /* * Physical memory segments * Alloc port-specific vmparam.h to override */ #ifndef VM_PHYSSEG_MAX #define VM_PHYSSEG_MAX 1 #endif #ifndef VM_PHYSSEG_STRAT #define VM_PHYSSEG_STRAT VM_PSTRAT_BSEARCH #endif #ifndef VM_PHYSSEG_NOADD #define VM_PHYSSEG_NOADD #endif #ifndef VM_NFREELIST #define VM_NFREELIST 1 #define VM_FREELIST_DEFAULT 0 #endif #ifndef _LP64 #define sh5_round_page(x) ((((u_int32_t)(x)) + PGOFSET) & ~PGOFSET) #define sh5_trunc_page(x) ((u_int32_t)(x) & ~PGOFSET) #define sh5_page_offset(x) ((u_int32_t)(x) & PGOFSET) #define sh5_btop(x) ((u_int32_t)(x) >> PGSHIFT) #define sh5_ptob(x) ((u_int32_t)(x) << PGSHIFT) #else #define sh5_round_page(x) ((((u_int64_t)(x)) + PGOFSET) & ~PGOFSET) #define sh5_trunc_page(x) ((u_int64_t)(x) & ~PGOFSET) #define sh5_page_offset(x) ((u_int64_t)(x) & PGOFSET) #define sh5_btop(x) ((u_int64_t)(x) >> PGSHIFT) #define sh5_ptob(x) ((u_int64_t)(x) << PGSHIFT) #endif /* pmap-specific data store in the vm_page structure. */ #define __HAVE_VM_PAGE_MD #ifndef _LOCORE LIST_HEAD(pvo_head, pvo_entry); struct vm_page_md { struct pvo_head mdpg_pvoh; unsigned int mdpg_attrs; }; #define VM_MDPAGE_INIT(pg) \ do { \ LIST_INIT(&(pg)->mdpage.mdpg_pvoh); \ (pg)->mdpage.mdpg_attrs = 0; \ } while (/*CONSTCOND*/0) #endif /* _LOCORE */ #endif /* _SH5_VMPARAM_H */