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vmparam.h revision 1.11.6.1
      1  1.11.6.1   nathanw /*	$NetBSD: vmparam.h,v 1.11.6.1 2001/06/21 19:31:05 nathanw Exp $	*/
      2       1.1        ws 
      3       1.1        ws /*-
      4       1.1        ws  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
      5       1.1        ws  * Copyright (C) 1995, 1996 TooLs GmbH.
      6       1.1        ws  * All rights reserved.
      7       1.1        ws  *
      8       1.1        ws  * Redistribution and use in source and binary forms, with or without
      9       1.1        ws  * modification, are permitted provided that the following conditions
     10       1.1        ws  * are met:
     11       1.1        ws  * 1. Redistributions of source code must retain the above copyright
     12       1.1        ws  *    notice, this list of conditions and the following disclaimer.
     13       1.1        ws  * 2. Redistributions in binary form must reproduce the above copyright
     14       1.1        ws  *    notice, this list of conditions and the following disclaimer in the
     15       1.1        ws  *    documentation and/or other materials provided with the distribution.
     16       1.1        ws  * 3. All advertising materials mentioning features or use of this software
     17       1.1        ws  *    must display the following acknowledgement:
     18       1.1        ws  *	This product includes software developed by TooLs GmbH.
     19       1.1        ws  * 4. The name of TooLs GmbH may not be used to endorse or promote products
     20       1.1        ws  *    derived from this software without specific prior written permission.
     21       1.1        ws  *
     22       1.1        ws  * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
     23       1.1        ws  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24       1.1        ws  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25       1.1        ws  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     26       1.1        ws  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     27       1.1        ws  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     28       1.1        ws  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     29       1.1        ws  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     30       1.1        ws  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     31       1.1        ws  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32       1.1        ws  */
     33       1.1        ws 
     34       1.5  sakamoto #ifndef	_MACHINE_VMPARAM_H_
     35       1.5  sakamoto #define	_MACHINE_VMPARAM_H_
     36       1.5  sakamoto 
     37      1.10     ragge #define	USRTEXT		NBPG
     38       1.1        ws #define	USRSTACK	VM_MAXUSER_ADDRESS
     39       1.1        ws 
     40       1.1        ws #ifndef	MAXTSIZ
     41       1.1        ws #define	MAXTSIZ		(16*1024*1024)		/* max text size */
     42       1.1        ws #endif
     43       1.1        ws 
     44       1.1        ws #ifndef	DFLDSIZ
     45       1.1        ws #define	DFLDSIZ		(16*1024*1024)		/* default data size */
     46       1.1        ws #endif
     47       1.1        ws 
     48       1.1        ws #ifndef	MAXDSIZ
     49       1.1        ws #define	MAXDSIZ		(512*1024*1024)		/* max data size */
     50       1.1        ws #endif
     51       1.1        ws 
     52       1.1        ws #ifndef	DFLSSIZ
     53       1.1        ws #define	DFLSSIZ		(1*1024*1024)		/* default stack size */
     54       1.1        ws #endif
     55       1.1        ws 
     56       1.1        ws #ifndef	MAXSSIZ
     57       1.1        ws #define	MAXSSIZ		(32*1024*1024)		/* max stack size */
     58       1.1        ws #endif
     59       1.1        ws 
     60       1.1        ws /*
     61       1.1        ws  * Size of shared memory map
     62       1.1        ws  */
     63       1.1        ws #ifndef	SHMMAXPGS
     64       1.1        ws #define	SHMMAXPGS	1024
     65       1.1        ws #endif
     66       1.1        ws 
     67       1.1        ws /*
     68       1.1        ws  * Size of User Raw I/O map
     69       1.1        ws  */
     70       1.1        ws #define	USRIOSIZE	1024
     71       1.1        ws 
     72       1.1        ws /*
     73       1.1        ws  * The time for a process to be blocked before being very swappable.
     74       1.1        ws  * This is a number of seconds which the system takes as being a non-trivial
     75       1.1        ws  * amount of real time.  You probably shouldn't change this;
     76       1.1        ws  * it is used in subtle ways (fractions and multiples of it are, that is, like
     77       1.1        ws  * half of a ``long time'', almost a long time, etc.)
     78       1.1        ws  * It is related to human patience and other factors which don't really
     79       1.1        ws  * change over time.
     80       1.1        ws  */
     81       1.1        ws #define	MAXSLP 		20
     82       1.1        ws 
     83       1.1        ws /*
     84       1.1        ws  * Would like to have MAX addresses = 0, but this doesn't (currently) work
     85       1.1        ws  */
     86       1.6  sakamoto #define	VM_MIN_ADDRESS		((vaddr_t)0)
     87       1.6  sakamoto #define	VM_MAXUSER_ADDRESS	((vaddr_t)0xfffff000)
     88       1.1        ws #define	VM_MAX_ADDRESS		VM_MAXUSER_ADDRESS
     89       1.6  sakamoto #define	VM_MIN_KERNEL_ADDRESS	((vaddr_t)(KERNEL_SR << ADDR_SR_SHFT))
     90       1.6  sakamoto #define	VM_MAX_KERNEL_ADDRESS	(VM_MIN_KERNEL_ADDRESS + SEGMENT_LENGTH - 1)
     91       1.1        ws 
     92      1.10     ragge #define	VM_PHYS_SIZE		(USRIOSIZE * NBPG)
     93  1.11.6.1   nathanw 
     94  1.11.6.1   nathanw #define	__HAVE_PMAP_PHYSSEG
     95       1.5  sakamoto 
     96       1.5  sakamoto struct pmap_physseg {
     97       1.5  sakamoto 	struct pv_entry *pvent;
     98       1.5  sakamoto 	char *attrs;
     99       1.5  sakamoto };
    100       1.5  sakamoto 
    101       1.5  sakamoto #define VM_PHYSSEG_MAX		32
    102       1.5  sakamoto #define VM_PHYSSEG_STRAT	VM_PSTRAT_BSEARCH
    103       1.5  sakamoto #define VM_PHYSSEG_NOADD		/* can't add RAM after vm_mem_init */
    104       1.6  sakamoto 
    105       1.6  sakamoto #define VM_NFREELIST		1
    106       1.6  sakamoto #define VM_FREELIST_DEFAULT	0
    107       1.5  sakamoto 
    108       1.5  sakamoto #endif /* _MACHINE_VMPARAM_H_ */
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