123 lines
4.3 KiB
C
123 lines
4.3 KiB
C
/* $NetBSD: vmparam.h,v 1.4 1996/12/27 01:55:48 mark Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1988 The Regents of the University of California.
|
|
* 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.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. 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.
|
|
*/
|
|
|
|
#ifndef _ARM32_VMPARAM_H_
|
|
#define _ARM32_VMPARAM_H_
|
|
|
|
#define USRTEXT VM_MIN_ADDRESS
|
|
#define USRSTACK VM_MAXUSER_ADDRESS
|
|
|
|
/*
|
|
* Note that MAXTSIZ mustn't be greater than 32M. Otherwise you'd have
|
|
* to change the compiler to not generate bl instructions
|
|
*/
|
|
#define MAXTSIZ (8*1024*1024) /* max text size */
|
|
#ifndef DFLDSIZ
|
|
#define DFLDSIZ (16*1024*1024) /* initial data size limit */
|
|
#endif
|
|
#ifndef MAXDSIZ
|
|
#define MAXDSIZ (256*1024*1024) /* max data size */
|
|
#endif
|
|
#ifndef DFLSSIZ
|
|
#define DFLSSIZ (512*1024) /* initial stack size limit */
|
|
#endif
|
|
#ifndef MAXSSIZ
|
|
#define MAXSSIZ (8*1024*1024) /* max stack size */
|
|
#endif
|
|
|
|
/*
|
|
* Default sizes of swap allocation chunks (see dmap.h).
|
|
* The actual values may be changed in vminit() based on MAXDSIZ.
|
|
* With MAXDSIZ of 16Mb and NDMAP of 38, dmmax will be 1024.
|
|
*/
|
|
#define DMMIN 32 /* smallest swap allocation */
|
|
#define DMMAX 4096 /* largest potential swap allocation */
|
|
#define DMTEXT 1024 /* swap allocation for text */
|
|
|
|
/*
|
|
* Size of shared memory map
|
|
*/
|
|
#ifndef SHMMAXPGS
|
|
#define SHMMAXPGS 1024
|
|
#endif
|
|
|
|
/*
|
|
* The time for a process to be blocked before being very swappable.
|
|
* This is a number of seconds which the system takes as being a non-trivial
|
|
* amount of real time. You probably shouldn't change this;
|
|
* it is used in subtle ways (fractions and multiples of it are, that is, like
|
|
* half of a `long time'', almost a long time, etc.)
|
|
* It is related to human patience and other factors which don't really
|
|
* change over time.
|
|
*/
|
|
#define MAXSLP 20
|
|
|
|
/*
|
|
* Mach derived constants
|
|
*/
|
|
|
|
/* Need to link some of these with some in param.h */
|
|
|
|
#define VM_MIN_ADDRESS ((vm_offset_t)0x00001000)
|
|
#define VM_MAXUSER_ADDRESS ((vm_offset_t)0xefc00000 - UPAGES * NBPG)
|
|
#define VM_MAX_ADDRESS ((vm_offset_t)0xeffc0000)
|
|
|
|
#define VM_MIN_KERNEL_ADDRESS ((vm_offset_t)0xf0000000)
|
|
#define VM_MAXKERN_ADDRESS ((vm_offset_t)0xf3000000)
|
|
#define VM_MAX_KERNEL_ADDRESS ((vm_offset_t)0xffffffff)
|
|
|
|
/*
|
|
* Size of User Raw I/O map
|
|
*/
|
|
|
|
#define USRIOSIZE 300
|
|
|
|
/* XXX max. amount of KVM to be used by buffers. */
|
|
#ifndef VM_MAX_KERNEL_BUF
|
|
#define VM_MAX_KERNEL_BUF \
|
|
((VM_MAXKERN_ADDRESS - KERNEL_VM_BASE /*VM_MIN_KERNEL_ADDRESS*/) / 4)
|
|
#endif
|
|
|
|
/* virtual sizes (bytes) for various kernel submaps */
|
|
|
|
#define VM_MBUF_SIZE (NMBCLUSTERS*MCLBYTES)
|
|
#define VM_KMEM_SIZE (NKMEMCLUSTERS*CLBYTES)
|
|
#define VM_PHYS_SIZE (USRIOSIZE*CLBYTES)
|
|
|
|
#endif
|
|
|
|
/* End of vmparam.h */
|
|
|