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vmparam.h revision 1.9 
      1 /*	$NetBSD: vmparam.h,v 1.9 2002/07/31 16:23:37 matt Exp $	*/
      2 
      3 #ifndef OLDPMAP
      4 #define	USER_SR		11
      5 #include <powerpc/mpc6xx/vmparam.h>
      6 #else
      7 /*-
      8  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
      9  * Copyright (C) 1995, 1996 TooLs GmbH.
     10  * All rights reserved.
     11  *
     12  * Redistribution and use in source and binary forms, with or without
     13  * modification, are permitted provided that the following conditions
     14  * are met:
     15  * 1. Redistributions of source code must retain the above copyright
     16  *    notice, this list of conditions and the following disclaimer.
     17  * 2. Redistributions in binary form must reproduce the above copyright
     18  *    notice, this list of conditions and the following disclaimer in the
     19  *    documentation and/or other materials provided with the distribution.
     20  * 3. All advertising materials mentioning features or use of this software
     21  *    must display the following acknowledgement:
     22  *	This product includes software developed by TooLs GmbH.
     23  * 4. The name of TooLs GmbH may not be used to endorse or promote products
     24  *    derived from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
     27  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     28  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     29  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     30  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     31  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     32  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     33  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     34  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     35  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     36  */
     37 
     38 #ifndef	_MACHINE_VMPARAM_H_
     39 #define	_MACHINE_VMPARAM_H_
     40 
     41 #define	USRTEXT		NBPG
     42 #define	USRSTACK	VM_MAXUSER_ADDRESS
     43 
     44 #ifndef	MAXTSIZ
     45 #define	MAXTSIZ		(16*1024*1024)		/* max text size */
     46 #endif
     47 
     48 #ifndef	DFLDSIZ
     49 #define	DFLDSIZ		(32*1024*1024)		/* default data size */
     50 #endif
     51 
     52 #ifndef	MAXDSIZ
     53 #define	MAXDSIZ		(512*1024*1024)		/* max data size */
     54 #endif
     55 
     56 #ifndef	DFLSSIZ
     57 #define	DFLSSIZ		(1*1024*1024)		/* default stack size */
     58 #endif
     59 
     60 #ifndef	MAXSSIZ
     61 #define	MAXSSIZ		(32*1024*1024)		/* max stack size */
     62 #endif
     63 
     64 /*
     65  * Size of shared memory map
     66  */
     67 #ifndef	SHMMAXPGS
     68 #define	SHMMAXPGS	1024
     69 #endif
     70 
     71 /*
     72  * Size of User Raw I/O map
     73  */
     74 #define	USRIOSIZE	1024
     75 
     76 /*
     77  * Would like to have MAX addresses = 0, but this doesn't (currently) work
     78  */
     79 #define	VM_MIN_ADDRESS		((vaddr_t)0)
     80 #define	VM_MAXUSER_ADDRESS	((vaddr_t)0xfffff000)
     81 #define	VM_MAX_ADDRESS		VM_MAXUSER_ADDRESS
     82 #define	VM_MIN_KERNEL_ADDRESS	((vaddr_t)(KERNEL_SR << ADDR_SR_SHFT))
     83 #define	VM_MAX_KERNEL_ADDRESS	(VM_MIN_KERNEL_ADDRESS + SEGMENT_LENGTH - 1)
     84 
     85 /* XXX max. amount of KVM to be used by buffers. */
     86 #ifndef VM_MAX_KERNEL_BUF
     87 #define	VM_MAX_KERNEL_BUF	(SEGMENT_LENGTH * 7 / 10)
     88 #endif
     89 
     90 /*
     91  * Override the default pager_map size, there's not enough KVA.
     92  */
     93 #define	PAGER_MAP_SIZE		(4 * 1024 * 1024)
     94 
     95 #define	VM_PHYS_SIZE		(USRIOSIZE * NBPG)
     96 
     97 #define	__HAVE_PMAP_PHYSSEG
     98 
     99 #ifndef _LOCORE
    100 struct pmap_physseg {
    101 	struct pv_entry *pvent;
    102 	char *attrs;
    103 };
    104 #endif /* _LOCORE */
    105 
    106 #define VM_PHYSSEG_MAX		32
    107 #define VM_PHYSSEG_STRAT	VM_PSTRAT_BSEARCH
    108 #define VM_PHYSSEG_NOADD		/* can't add RAM after vm_mem_init */
    109 
    110 #define VM_NFREELIST		1
    111 #define VM_FREELIST_DEFAULT	0
    112 
    113 #endif /* _MACHINE_VMPARAM_H_ */
    114 #endif
    115