0a6a1f1d05
This brings our tree to NetBSD 7.0, as found on -current on the 10-10-2015. This updates: - LLVM to 3.6.1 - GCC to GCC 5.1 - Replace minix/commands/zdump with usr.bin/zdump - external/bsd/libelf has moved to /external/bsd/elftoolchain/ - Import ctwm - Drop sprintf from libminc Change-Id: I149836ac18e9326be9353958bab9b266efb056f0
117 lines
3.9 KiB
C
117 lines
3.9 KiB
C
/* $NetBSD: vmparam.h,v 1.39 2015/06/20 07:13:25 skrll Exp $ */
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/*
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* Copyright (c) 2001, 2002 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Jason R. Thorpe for Wasabi Systems, Inc.
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _ARM_ARM32_VMPARAM_H_
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#define _ARM_ARM32_VMPARAM_H_
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#if defined(_KERNEL) || defined(_KMEMUSER) || defined(__minix)
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/*
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* Virtual Memory parameters common to all arm32 platforms.
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*/
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#include <arm/cpuconf.h>
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#include <arm/arm32/pte.h> /* pt_entry_t */
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#define __USE_TOPDOWN_VM
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#define USRSTACK VM_MAXUSER_ADDRESS
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/*
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* ARMv4 systems are normaly configured for 256MB KVA only, so restrict
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* the size of the pager map to 4MB.
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*/
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#ifndef _ARM_ARCH_5
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#define PAGER_MAP_DEFAULT_SIZE (4 * 1024 * 1024)
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#endif
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/*
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* Note that MAXTSIZ can't be larger than 32M, otherwise the compiler
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* would have to be changed to not generate "bl" instructions.
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*/
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#define MAXTSIZ (128*1024*1024) /* max text size */
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#ifndef DFLDSIZ
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#define DFLDSIZ (384*1024*1024) /* initial data size limit */
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#endif
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#ifndef MAXDSIZ
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#define MAXDSIZ (1536*1024*1024) /* max data 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 (64*1024*1024) /* max stack size */
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#endif
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/*
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* While the ARM architecture defines Section mappings, large pages,
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* and small pages, the standard page size is (and will always be) 4K.
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*/
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#define PAGE_SHIFT PGSHIFT
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#define PAGE_SIZE (1 << PAGE_SHIFT)
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#define PAGE_MASK (PAGE_SIZE - 1)
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/*
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* Mach derived constants
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*/
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#define VM_MIN_ADDRESS ((vaddr_t) PAGE_SIZE)
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#ifdef ARM_MMU_EXTENDED
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#define VM_MAXUSER_ADDRESS ((vaddr_t) 0x80000000 - PAGE_SIZE)
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#else
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#define VM_MAXUSER_ADDRESS ((vaddr_t) KERNEL_BASE - PAGE_SIZE)
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#endif
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#define VM_MAX_ADDRESS VM_MAXUSER_ADDRESS
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#define VM_MIN_KERNEL_ADDRESS ((vaddr_t) KERNEL_BASE)
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#define VM_MAX_KERNEL_ADDRESS ((vaddr_t) -(PAGE_SIZE+1))
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#if !defined(__minix)
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#ifndef __ASSEMBLER__
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/* XXX max. amount of KVM to be used by buffers. */
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#ifndef VM_MAX_KERNEL_BUF
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extern vaddr_t virtual_avail;
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extern vaddr_t virtual_end;
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#define VM_MAX_KERNEL_BUF \
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((virtual_end - virtual_avail) * 4 / 10)
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#endif
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#endif /* __ASSEMBLER__ */
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#endif /* !defined(__minix) */
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#endif /* _KERNEL || _KMEMUSER */
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#endif /* _ARM_ARM32_VMPARAM_H_ */
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