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TOPDOWN_VM is now mandatory on vax.

This commit is contained in:
ragge 2003-12-14 19:39:24 +00:00
parent a085af0d99
commit 57fa6bb861
4 changed files with 7 additions and 36 deletions
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5
sys/arch/vax/conf/GENERIC
View File

@ -1,4 +1,4 @@
# $NetBSD: GENERIC,v 1.115 2003/10/19 15:03:25 ragge Exp $
# $NetBSD: GENERIC,v 1.116 2003/12/14 19:39:24 ragge Exp $
#
# GENERIC machine description file
#
@ -22,7 +22,7 @@ include "arch/vax/conf/std.vax"
options INCLUDE_CONFIG_FILE # embed config file in kernel binary
#ident "GENERIC-$Revision: 1.115 $"
#ident "GENERIC-$Revision: 1.116 $"
# Here are all different supported CPU types listed.
#options VAX8800 # VAX 8500, 8530, 8550, 8700, 8800
@ -54,7 +54,6 @@ options KTRACE
options SYSTRACE # system call vetting via systrace(1)
#options DIAGNOSTIC
#options DEBUG,KMEMSTATS,PMAPDEBUG,TRAPDEBUG,LOCKDEBUG
options USE_TOPDOWN_VM # gives larger address space
options SCSIVERBOSE # Verbose SCSI errors

5
sys/arch/vax/include/pmap.h
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@ -1,4 +1,4 @@
/* $NetBSD: pmap.h,v 1.59 2003/08/07 16:30:11 agc Exp $ */
/* $NetBSD: pmap.h,v 1.60 2003/12/14 19:39:24 ragge Exp $ */
/*
* Copyright (c) 1991 Regents of the University of California.
@ -90,9 +90,6 @@
*/
#define LTOHPS (PGSHIFT - VAX_PGSHIFT)
#define LTOHPN (1 << LTOHPS)
#if USE_TOPDOWN_VM==0
#define PROCPTSIZE ((MAXTSIZ + MAXDSIZ + MAXSSIZ + MMAPSPACE) / VAX_NBPG)
#endif
/*
* Link struct if more than one process share pmap (like vfork).

25
sys/arch/vax/include/vmparam.h
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@ -1,4 +1,4 @@
/* $NetBSD: vmparam.h,v 1.41 2003/08/07 16:30:13 agc Exp $ */
/* $NetBSD: vmparam.h,v 1.42 2003/12/14 19:39:24 ragge Exp $ */
/*-
* Copyright (c) 1990 The Regents of the University of California.
@ -64,21 +64,12 @@
#ifndef MAXTSIZ
#define MAXTSIZ (8*1024*1024) /* max text size */
#endif
#if USE_TOPDOWN_VM==1
#ifndef DFLDSIZ
#define DFLDSIZ (128*1024*1024) /* initial data size limit */
#endif
#ifndef MAXDSIZ
#define MAXDSIZ (1024*1024*1024) /* max data size */
#endif
#else
#ifndef DFLDSIZ
#define DFLDSIZ (32*1024*1024) /* initial data size limit */
#endif
#ifndef MAXDSIZ
#define MAXDSIZ (64*1024*1024) /* max data size */
#endif
#endif
#ifndef DFLSSIZ
#define DFLSSIZ (512*1024) /* initial stack size limit */
#endif
@ -86,16 +77,6 @@
#define MAXSSIZ (8*1024*1024) /* max stack size */
#endif
#ifndef USE_TOPDOWN_VM
/*
* All mmap()'ed data will be mapped above MAXDSIZ. This means that
* pte space must be allocated for (possible) mmap()'ed data.
* Note: This is just a hint, if we mmap() more than this the page
* table will be expanded. (at the cost of speed).
*/
#define MMAPSPACE (8*1024*1024)
#endif
/*
* Size of shared memory map
*/
@ -129,11 +110,9 @@
/*
* The address to which unspecified mapping requests default
*/
#define __HAVE_TOPDOWN_VM
#ifdef USE_TOPDOWN_VM
#define __USE_TOPDOWN_VM
#define VM_DEFAULT_ADDRESS(da, sz) \
trunc_page(VM_MAXUSER_ADDRESS - MAXSSIZ - (sz))
#endif
#define USRIOSIZE (8 * VAX_NPTEPG) /* 512MB */
#define VM_PHYS_SIZE (USRIOSIZE*VAX_NBPG)

8
sys/arch/vax/vax/pmap.c
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@ -1,4 +1,4 @@
/* $NetBSD: pmap.c,v 1.130 2003/11/06 00:32:27 he Exp $ */
/* $NetBSD: pmap.c,v 1.131 2003/12/14 19:39:24 ragge Exp $ */
/*
* Copyright (c) 1994, 1998, 1999, 2003 Ludd, University of Lule}, Sweden.
* All rights reserved.
@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.130 2003/11/06 00:32:27 he Exp $");
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.131 2003/12/14 19:39:24 ragge Exp $");
#include "opt_ddb.h"
#include "opt_cputype.h"
@ -279,11 +279,7 @@ pmap_bootstrap()
physmem = btoc(avail_end);
#if USE_TOPDOWN_VM==1
usrptsize = (1024*1024*1024)/VAX_NBPG; /* 1GB total VM */
#else
usrptsize = PROCPTSIZE * maxproc;
#endif
if (vax_btop(usrptsize)* PPTESZ > avail_end/20)
usrptsize = (avail_end/(20 * PPTESZ)) * VAX_NBPG;