mirror of
https://codeberg.org/ziglang/zig.git
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Alex Rønne Petersen
66d97267c7
This excludes all headers in /usr/include/dev because that directory is bonkers huge (18M). We can add these on an as-needed basis.
115 lines
3.9 KiB
C
Vendored
115 lines
3.9 KiB
C
Vendored
/* $OpenBSD: vmparam.h,v 1.31 2023/11/16 13:47:22 deraadt Exp $ */
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/* $NetBSD: vmparam.h,v 1.5 1994/10/26 21:10:10 cgd Exp $ */
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/*
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* Copyright (c) 1988 University of Utah.
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* the Systems Programming Group of the University of Utah Computer
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* Science Department and Ralph Campbell.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: Utah Hdr: vmparam.h 1.16 91/01/18
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* @(#)vmparam.h 8.2 (Berkeley) 4/22/94
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*/
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#ifndef _MIPS64_VMPARAM_H_
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#define _MIPS64_VMPARAM_H_
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/*
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* Machine dependent constants mips processors.
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*/
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#define USRSTACK VM_MAXUSER_ADDRESS /* Start of user stack */
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/*
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* Virtual memory related constants, all in bytes
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*/
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#ifndef MAXTSIZ
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#define MAXTSIZ (128*1024*1024) /* max text size */
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#endif
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#ifndef DFLDSIZ
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#define DFLDSIZ (128*1024*1024) /* initial data size limit */
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#endif
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#ifndef MAXDSIZ
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#define MAXDSIZ (16UL*1024*1024*1024) /* max data size */
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#endif
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#ifndef BRKSIZ
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#define BRKSIZ MAXDSIZ /* heap gap size */
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#endif
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#ifndef DFLSSIZ
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#define DFLSSIZ (2*1024*1024) /* initial stack size limit */
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#endif
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#ifndef MAXSSIZ
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#define MAXSSIZ (32*1024*1024) /* max stack size */
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#endif
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#define STACKGAP_RANDOM 256*1024
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/*
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* PTEs for mapping user space into the kernel for physio operations.
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* 16 pte's are enough to cover 8 disks * MAXBSIZE.
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*/
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#ifndef USRIOSIZE
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#define USRIOSIZE 32
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#endif
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/*
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* PTEs for system V style shared memory.
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* This is basically slop for kmempt which we actually allocate (malloc) from.
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*/
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#ifndef SHMMAXPGS
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#define SHMMAXPGS 8192 /* 8mb */
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#endif
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#ifndef VM_PHYSSEG_MAX
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#define VM_PHYSSEG_MAX 8 /* Max number of physical memory segments */
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#endif
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#ifndef VM_PHYSSEG_STRAT
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#define VM_PHYSSEG_STRAT VM_PSTRAT_BSEARCH
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#endif
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#define VM_PHYSSEG_NOADD
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/* user/kernel map constants */
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#define VM_MIN_ADDRESS ((vaddr_t)0x0000000000004000L)
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#define VM_MAXUSER_ADDRESS ((vaddr_t)0x0000010000000000L)
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#define VM_MAX_ADDRESS VM_MAXUSER_ADDRESS
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#ifdef _KERNEL
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#define VM_MIN_STACK_ADDRESS ((vaddr_t)0x000000c000000000L)
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#endif
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#define VM_MIN_KERNEL_ADDRESS ((vaddr_t)0xc000000000000000L)
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#define VM_MAX_KERNEL_ADDRESS ((vaddr_t)0xc000000040000000L)
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/* map PIE into approximately the first quarter of user va space */
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#define VM_PIE_MIN_ADDR PAGE_SIZE
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#define VM_PIE_MAX_ADDR (0x4000000000UL)
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/* virtual sizes (bytes) for various kernel submaps */
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#define VM_PHYS_SIZE (USRIOSIZE*PAGE_SIZE)
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#endif /* !_MIPS64_VMPARAM_H_ */ |