94 lines
3.3 KiB
C
94 lines
3.3 KiB
C
/* $NetBSD: vmparam.h,v 1.17 2013/11/10 19:52:01 jmcneill Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2007 Jared D. McNeill <jmcneill@invisible.ca>
|
|
* All rights reserved.
|
|
*
|
|
* 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.
|
|
*
|
|
* 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 _ARCH_USERMODE_INCLUDE_VMPARAM_H
|
|
#define _ARCH_USERMODE_INCLUDE_VMPARAM_H
|
|
|
|
#include <machine/pmap.h>
|
|
#include "opt_memsize.h"
|
|
|
|
#define __USE_TOPDOWN_VM
|
|
|
|
extern paddr_t kmem_k_start, kmem_k_end;
|
|
extern paddr_t kmem_kvm_start, kmem_kvm_end;
|
|
extern paddr_t kmem_kvm_cur_end;
|
|
extern paddr_t kmem_user_start, kmem_user_end;
|
|
|
|
#define VM_MIN_ADDRESS kmem_user_start
|
|
#define VM_MAX_ADDRESS kmem_user_end
|
|
#define VM_MAXUSER_ADDRESS kmem_user_end
|
|
#define VM_MIN_KERNEL_ADDRESS kmem_kvm_start
|
|
#define VM_MAX_KERNEL_ADDRESS kmem_kvm_end
|
|
|
|
#define VM_PHYSSEG_STRAT VM_PSTRAT_BIGFIRST
|
|
#define VM_PHYSSEG_MAX 1
|
|
#define VM_NFREELIST 1
|
|
#define VM_FREELIST_DEFAULT 0
|
|
|
|
#define USRSTACK VM_MAXUSER_ADDRESS
|
|
|
|
/*
|
|
* When an architecture has little KVA then override the default pager_map
|
|
* size in its block by limiting it like this:
|
|
*
|
|
* #define PAGER_MAP_DEFAULT_SIZE (8 * 1024 * 1024)
|
|
*/
|
|
|
|
#if defined(__i386__)
|
|
#define PAGE_SHIFT 12
|
|
#define PAGE_SIZE (1 << PAGE_SHIFT)
|
|
#define PAGE_MASK (PAGE_SIZE - 1)
|
|
#define MAXSSIZ (64 * 1024 * 1024)
|
|
#define MAXTSIZ (64 * 1024 * 1024)
|
|
#define MAXDSIZ (3U * 1024 * 1024 * 1024)
|
|
#define DFLSSIZ (2 * 1024 * 1024)
|
|
#define DFLDSIZ (256 * 1024 * 1024)
|
|
#elif defined(__x86_64__)
|
|
#define PAGE_SHIFT 12
|
|
#define PAGE_SIZE (1 << PAGE_SHIFT)
|
|
#define PAGE_MASK (PAGE_SIZE - 1)
|
|
#define MAXSSIZ (128 * 1024 * 1024)
|
|
#define MAXTSIZ (64 * 1024 * 1024)
|
|
#define MAXDSIZ (8L * 1024 * 1024 * 1024)
|
|
#define DFLSSIZ (4 * 1024 * 1024)
|
|
#define DFLDSIZ (256 * 1024 * 1024)
|
|
#elif defined(__arm__)
|
|
#define PAGE_SHIFT 12
|
|
#define PAGE_SIZE (1 << PAGE_SHIFT)
|
|
#define PAGE_MASK (PAGE_SIZE - 1)
|
|
#define MAXSSIZ (64 * 1024 * 1024)
|
|
#define MAXTSIZ (64 * 1024 * 1024)
|
|
#define MAXDSIZ (3U * 1024 * 1024 * 1024)
|
|
#define DFLSSIZ (2 * 1024 * 1024)
|
|
#define DFLDSIZ (256 * 1024 * 1024)
|
|
#else
|
|
#error "platform not supported"
|
|
#endif
|
|
|
|
#endif /* !_ARCH_USERMODE_INCLUDE_VMPARAM_H */
|