Enable USE_TOPDOWN_VM. This also makes it possible to use large address
spaces, so bump MAXDSIZ to 1GB.
This commit is contained in:
ragge
parent
d67d6bee01
commit
21d5b938d7
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@ -1,4 +1,4 @@
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# $NetBSD: GENERIC,v 1.109 2002/11/22 12:21:06 wiz Exp $
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# $NetBSD: GENERIC,v 1.110 2003/02/26 21:54:38 ragge Exp $
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#
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# GENERIC machine description file
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#
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@ -22,7 +22,7 @@ include "arch/vax/conf/std.vax"
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options INCLUDE_CONFIG_FILE # embed config file in kernel binary
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#ident "GENERIC-$Revision: 1.109 $"
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#ident "GENERIC-$Revision: 1.110 $"
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# Here are all different supported CPU types listed.
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#options VAX8800 # VAX 8500, 8530, 8550, 8700, 8800
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@ -54,6 +54,7 @@ options KTRACE
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options SYSTRACE # system call vetting via systrace(1)
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#options DIAGNOSTIC
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#options DEBUG,KMEMSTATS,PMAPDEBUG,TRAPDEBUG,LOCKDEBUG
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options USE_TOPDOWN_VM # gives larger address space
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options SCSIVERBOSE # Verbose SCSI errors
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@ -1,4 +1,4 @@
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/* $NetBSD: pmap.h,v 1.56 2002/09/22 07:53:51 chs Exp $ */
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/* $NetBSD: pmap.h,v 1.57 2003/02/26 21:54:38 ragge Exp $ */
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/*
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* Copyright (c) 1987 Carnegie-Mellon University
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@ -55,7 +55,11 @@
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*/
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#define LTOHPS (PGSHIFT - VAX_PGSHIFT)
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#define LTOHPN (1 << LTOHPS)
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#if USE_TOPDOWN_VM==0
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#define PROCPTSIZE ((MAXTSIZ + MAXDSIZ + MAXSSIZ) / VAX_NBPG)
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#else
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#define PROCPTSIZE ((MAXTSIZ + MAXDSIZ + MAXSSIZ + MMAPSPACE) / VAX_NBPG)
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#endif
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#define NPTEPGS (PROCPTSIZE / (NBPG / (sizeof(struct pte) * LTOHPN)))
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/*
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@ -1,4 +1,4 @@
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/* $NetBSD: vmparam.h,v 1.39 2002/12/10 05:14:36 thorpej Exp $ */
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/* $NetBSD: vmparam.h,v 1.40 2003/02/26 21:54:37 ragge Exp $ */
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/*-
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* Copyright (c) 1990 The Regents of the University of California.
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@ -68,12 +68,21 @@
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#ifndef MAXTSIZ
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#define MAXTSIZ (8*1024*1024) /* max text size */
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#endif
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#if USE_TOPDOWN_VM==1
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#ifndef DFLDSIZ
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#define DFLDSIZ (128*1024*1024) /* initial data size limit */
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#endif
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#ifndef MAXDSIZ
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#define MAXDSIZ (1024*1024*1024) /* max data size */
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#endif
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#else
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#ifndef DFLDSIZ
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#define DFLDSIZ (32*1024*1024) /* initial data size limit */
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#endif
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#ifndef MAXDSIZ
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#define MAXDSIZ (64*1024*1024) /* max data size */
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#endif
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#endif
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#ifndef DFLSSIZ
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#define DFLSSIZ (512*1024) /* initial stack size limit */
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#endif
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@ -81,6 +90,7 @@
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#define MAXSSIZ (8*1024*1024) /* max stack size */
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#endif
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#ifndef USE_TOPDOWN_VM
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/*
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* All mmap()'ed data will be mapped above MAXDSIZ. This means that
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* pte space must be allocated for (possible) mmap()'ed data.
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@ -88,6 +98,7 @@
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* table will be expanded. (at the cost of speed).
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*/
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#define MMAPSPACE (8*1024*1024)
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#endif
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/*
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* Size of shared memory map
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@ -119,6 +130,15 @@
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#define VM_MIN_KERNEL_ADDRESS ((vaddr_t)KERNBASE)
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#define VM_MAX_KERNEL_ADDRESS ((vaddr_t)(0xC0000000))
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/*
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* The address to which unspecified mapping requests default
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*/
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#define __HAVE_TOPDOWN_VM
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#ifdef USE_TOPDOWN_VM
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#define VM_DEFAULT_ADDRESS(da, sz) \
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trunc_page(VM_MAXUSER_ADDRESS - MAXSSIZ - (sz))
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#endif
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#define USRIOSIZE (8 * VAX_NPTEPG) /* 512MB */
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#define VM_PHYS_SIZE (USRIOSIZE*VAX_NBPG)
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@ -1,4 +1,4 @@
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/* $NetBSD: pmap.c,v 1.122 2003/02/02 01:50:04 erh Exp $ */
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/* $NetBSD: pmap.c,v 1.123 2003/02/26 21:54:35 ragge Exp $ */
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/*
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* Copyright (c) 1994, 1998, 1999 Ludd, University of Lule}, Sweden.
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* All rights reserved.
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@ -235,7 +235,11 @@ pmap_bootstrap()
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physmem = btoc(avail_end);
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#if USE_TOPDOWN_VM==1
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usrptsize = (1024*1024*1024)/VAX_NBPG; /* 1GB total VM */
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#else
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usrptsize = PROCPTSIZE * maxproc;
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#endif
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if (vax_btop(usrptsize)* PPTESZ > avail_end/20)
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usrptsize = (avail_end/(20 * PPTESZ)) * VAX_NBPG;
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@ -1610,7 +1614,7 @@ pmap_activate(struct lwp *l)
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pmap_t pmap;
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struct pcb *pcb;
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PMDEBUG(("pmap_activate: p %p\n", p));
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PMDEBUG(("pmap_activate: l %p\n", l));
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pmap = l->l_proc->p_vmspace->vm_map.pmap;
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pcb = &l->l_addr->u_pcb;
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@ -1642,7 +1646,7 @@ pmap_deactivate(struct lwp *l)
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pmap_t pmap;
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struct pcb *pcb;
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PMDEBUG(("pmap_deactivate: p %p\n", p));
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PMDEBUG(("pmap_deactivate: l %p\n", l));
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pmap = p->p_vmspace->vm_map.pmap;
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pcb = &l->l_addr->u_pcb;
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