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IABSD.fr/src/sys/arch/mips64/include/vmparam.h
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/* $OpenBSD: vmparam.h,v 1.29 2016/12/23 12:38:16 visa Exp $ */ /* $NetBSD: vmparam.h,v 1.5 1994/10/26 21:10:10 cgd Exp $ */ /* * Copyright (c) 1988 University of Utah. * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * the Systems Programming Group of the University of Utah Computer * Science Department and Ralph Campbell. * * 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. Neither the name of the University 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 REGENTS 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 REGENTS 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. * * from: Utah Hdr: vmparam.h 1.16 91/01/18 * @(#)vmparam.h 8.2 (Berkeley) 4/22/94 */ #ifndef _MIPS64_VMPARAM_H_ #define _MIPS64_VMPARAM_H_ /* * Machine dependent constants mips processors. */ #define USRSTACK VM_MAXUSER_ADDRESS /* Start of user stack */ /* * Virtual memory related constants, all in bytes */ #ifndef MAXTSIZ #define MAXTSIZ (64*1024*1024) /* max text size */ #endif #ifndef DFLDSIZ #define DFLDSIZ (128*1024*1024) /* initial data size limit */ #endif #ifndef MAXDSIZ #define MAXDSIZ (16UL*1024*1024*1024) /* max data size */ #endif #ifndef BRKSIZ #define BRKSIZ MAXDSIZ /* heap gap size */ #endif #ifndef DFLSSIZ #define DFLSSIZ (2*1024*1024) /* initial stack size limit */ #endif #ifndef MAXSSIZ #define MAXSSIZ (32*1024*1024) /* max stack size */ #endif #define STACKGAP_RANDOM 256*1024 /* * PTEs for mapping user space into the kernel for physio operations. * 16 pte's are enough to cover 8 disks * MAXBSIZE. */ #ifndef USRIOSIZE #define USRIOSIZE 32 #endif /* * PTEs for system V style shared memory. * This is basically slop for kmempt which we actually allocate (malloc) from. */ #ifndef SHMMAXPGS #define SHMMAXPGS 8192 /* 8mb */ #endif #ifndef VM_PHYSSEG_MAX #define VM_PHYSSEG_MAX 8 /* Max number of physical memory segments */ #endif #ifndef VM_PHYSSEG_STRAT #define VM_PHYSSEG_STRAT VM_PSTRAT_BSEARCH #endif #define VM_PHYSSEG_NOADD /* user/kernel map constants */ #define VM_MIN_ADDRESS ((vaddr_t)0x0000000000004000L) #define VM_MAXUSER_ADDRESS ((vaddr_t)0x0000010000000000L) #define VM_MAX_ADDRESS VM_MAXUSER_ADDRESS #define VM_MIN_KERNEL_ADDRESS ((vaddr_t)0xc000000000000000L) #define VM_MAX_KERNEL_ADDRESS ((vaddr_t)0xc000000040000000L) /* map PIE into approximately the first quarter of user va space */ #define VM_PIE_MIN_ADDR PAGE_SIZE #define VM_PIE_MAX_ADDR (0x4000000000UL) /* virtual sizes (bytes) for various kernel submaps */ #define VM_PHYS_SIZE (USRIOSIZE*PAGE_SIZE) #endif /* !_MIPS64_VMPARAM_H_ */