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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.
98 lines
3.0 KiB
C
Vendored
98 lines
3.0 KiB
C
Vendored
/* $OpenBSD: vmparam.h,v 1.8 2023/11/12 16:37:28 kettenis Exp $ */
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/* $NetBSD: vmparam.h,v 1.23 2003/05/22 05:47:07 thorpej Exp $ */
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/*
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* Copyright (c) 1988 The Regents of the University of California.
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* All rights reserved.
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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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#ifndef _MACHINE_VMPARAM_H_
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#define _MACHINE_VMPARAM_H_
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#define ARM_KERNEL_BASE 0xc0000000U
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/* Allow armv7 to have bigger limits than generic arm, allow user to override */
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#ifndef MAXDSIZ
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#define MAXDSIZ (2UL*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 (4*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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#include <arm/vmparam.h>
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#ifdef _KERNEL
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/*
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* Address space constants
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*/
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/*
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* The line between user space and kernel space
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* Mappings >= KERNEL_BASE are constant across all processes
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*/
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#define KERNEL_BASE ARM_KERNEL_BASE
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#define VM_KERNEL_SPACE_SIZE 0x20000000
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/*
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* Override the default pager_map size, there's not enough KVA.
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*/
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#define PAGER_MAP_SIZE (4 * 1024 * 1024)
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/*
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* Size of User Raw I/O map
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*/
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#define USRIOSIZE 300
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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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/*
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* max number of non-contig chunks of physical RAM you can have
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*/
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#define VM_PHYSSEG_MAX 32
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#define VM_PHYSSEG_STRAT VM_PSTRAT_BSEARCH
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/*
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* this indicates that we can't add RAM to the VM system after the
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* vm system is init'd.
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*/
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#define VM_PHYSSEG_NOADD
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#endif /* _KERNEL */
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#endif /* _MACHINE_VMPARAM_H_ */ |