VAX logical page size increased to 4k.
This commit is contained in:
ragge
parent
33395d926e
commit
6aba9c11ff
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@ -1,4 +1,4 @@
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# $NetBSD: GENERIC,v 1.35 1998/07/18 20:35:14 ragge Exp $
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# $NetBSD: GENERIC,v 1.36 1998/08/21 13:50:30 ragge Exp $
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#
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# GENERIC VAX configuration file; all supported devices.
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#
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@ -14,12 +14,13 @@ options "VAX630" # MV II
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options "VAX650" # MV III, 3600, 3800, 3900
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options "VAX410" # VS 2000
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options "VAX43" # VS 3100/76
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options "VAX46" # VS 4000/60
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# Max users on system; this is just a hint
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maxusers 8
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# Kernel compiled-in symbolic debugger & system call tracer
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options DDB
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#options DDB
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#options DDB_HISTORY_SIZE=100 # enable history editing in DDB
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options KTRACE
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#options DIAGNOSTIC
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@ -62,6 +63,7 @@ options SYSVSHM
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# Note that if COMPAT_ULTRIX is set, you lose compatibility with
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# 4.3BSD Reno programs and get Ultrix compatibility instead.
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# (They cannot coexist).
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options COMPAT_VAX1K # Must be present to run pre-1.4 binaries.
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options COMPAT_43
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options COMPAT_09
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options COMPAT_10
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@ -1,6 +1,6 @@
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/* $NetBSD: pmap.c,v 1.52 1998/07/18 20:35:14 ragge Exp $ */
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/* $NetBSD: pmap.c,v 1.53 1998/08/21 13:46:38 ragge Exp $ */
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/*
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* Copyright (c) 1994 Ludd, University of Lule}, Sweden.
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* Copyright (c) 1994, 1998 Ludd, University of Lule}, Sweden.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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@ -70,7 +70,7 @@ struct pte *QVmap[NQD];
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extern void *qd_ubaio;
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#endif
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#define ISTACK_SIZE (4 * CLBYTES)
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#define ISTACK_SIZE CLBYTES
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/*
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* This code uses bitfield operators for most page table entries.
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@ -143,15 +143,35 @@ pmap_bootstrap()
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* Remember: sysptsize is in PTEs and nothing else!
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*/
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#define USRPTSIZE ((MAXTSIZ + MAXDSIZ + MAXSSIZ + MMAPSPACE) / NBPG)
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#ifdef notyet
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#define vax_btoc(x) (((unsigned)(x) + PGOFSET) >> PGSHIFT)
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/* all physical memory */
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sysptsize = vax_btoc(avail_end);
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/* reverse mapping struct is in phys memory already */
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/* user page table */
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sysptsize += vax_btoc(USRPTSIZE * sizeof(struct pte) * maxproc);
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/* kernel malloc area */
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sysptsize += vax_btoc(NKMEMCLUSTERS * CLSIZE);
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/* Different table etc... called again in machdep */
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physmem = btoc(avail_end); /* XXX in machdep also */
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sysptsize += vax_btoc((int) allocsys((caddr_t) 0));
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/* buffer pool (buffer_map) */
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sysptsize += vax_btoc(MAXBSIZE * nbuf);
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/* exec argument submap */
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sysptsize += vax_btoc(16 * NCARGS);
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/* phys_map - XXX This submap should be nuked */
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sysptsize += vax_btoc(VM_PHYS_SIZE);
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#else
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/* Kernel alloc area */
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sysptsize = (((0x100000 * maxproc) >> PGSHIFT) / 4);
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/* reverse mapping struct */
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sysptsize += (avail_end >> PGSHIFT) * 2;
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/* User Page table area. This may grow big */
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#define USRPTSIZE ((MAXTSIZ + MAXDSIZ + MAXSSIZ + MMAPSPACE) / NBPG)
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sysptsize += ((USRPTSIZE * 4) / NBPG) * maxproc;
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/* Kernel stacks per process */
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sysptsize += UPAGES * maxproc;
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#endif
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/*
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* Virtual_* and avail_* is used for mapping of system page table.
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@ -347,7 +367,6 @@ if(startpmapdebug)printf("pmap_create: phys_size %x\n",(int)phys_size);
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pmap = (pmap_t) malloc(sizeof(struct pmap), M_VMPMAP, M_WAITOK);
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bzero(pmap, sizeof(struct pmap));
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pmap_pinit(pmap);
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pmap->pm_stack = USRSTACK;
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return (pmap);
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}
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#endif
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@ -374,6 +393,7 @@ pmap_pinit(pmap)
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pmap->pm_p0lr = btoc(MAXTSIZ + MAXDSIZ + MMAPSPACE) | AST_PCB;
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pmap->pm_p1br = (void *)pmap->pm_p0br + bytesiz - 0x800000;
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pmap->pm_p1lr = (0x200000 - btoc(MAXSSIZ));
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pmap->pm_stack = USRSTACK;
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#ifdef PMAPDEBUG
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if (startpmapdebug)
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@ -441,7 +461,7 @@ if(startpmapdebug)printf("pmap_destroy: pmap %p\n",pmap);
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* Rensa is a help routine to remove a pv_entry from the pv list.
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* Arguments are physical clustering page and page table entry pointer.
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*/
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static inline void
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/* static inline */void
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rensa(clp, ptp)
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int clp;
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struct pte *ptp;
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@ -477,9 +497,6 @@ pmap_kenter_pa(va, pa, prot)
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vm_offset_t va, pa;
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vm_prot_t prot;
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{
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#if 0
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pmap_enter(pmap_kernel(), va, pa, prot, 0);
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#endif
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int *ptp;
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ptp = (int *)kvtopte(va);
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@ -490,8 +507,13 @@ printf("pmap_kenter_pa: va: %lx, pa %lx, prot %x ptp %p\n", va, pa, prot, ptp);
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ptp[0] = PG_V | ((prot & VM_PROT_WRITE)? PG_KW : PG_KR) |
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PG_PFNUM(pa) | PG_SREF;
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ptp[1] = ptp[0] + 1;
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mtpr(va, PR_TBIS);
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mtpr(va + NBPG, PR_TBIS);
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ptp[2] = ptp[0] + 2;
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ptp[3] = ptp[0] + 3;
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ptp[4] = ptp[0] + 4;
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ptp[5] = ptp[0] + 5;
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ptp[6] = ptp[0] + 6;
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ptp[7] = ptp[0] + 7;
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mtpr(0, PR_TBIA);
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}
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void
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@ -518,10 +540,7 @@ printf("pmap_kremove: va: %lx, len %lx, ptp %p\n", va, len, kvtopte(va));
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continue;
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if (pte->pg_sref == 0)
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rensa(pte->pg_pfn >> CLSIZELOG2, pte);
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*(long long *)pte = 0;
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#ifdef notdef
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bzero(pte, CLSIZE * sizeof(struct pte));
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#endif
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pte += CLSIZE;
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}
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mtpr(0, PR_TBIA);
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@ -550,7 +569,13 @@ printf("pmap_kenter_pgs: va: %lx, pgs %p, npgs %x\n", va, pgs, npgs);
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ptp[0] = PG_V | PG_KW |
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PG_PFNUM(VM_PAGE_TO_PHYS(pgs[i])) | PG_SREF;
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ptp[1] = ptp[0] + 1;
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ptp += 2;
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ptp[2] = ptp[0] + 2;
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ptp[3] = ptp[0] + 3;
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ptp[4] = ptp[0] + 4;
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ptp[5] = ptp[0] + 5;
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ptp[6] = ptp[0] + 6;
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ptp[7] = ptp[0] + 7;
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ptp += CLSIZE;
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}
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mtpr(0, PR_TBIA);
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}
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@ -638,13 +663,14 @@ printf("pmap_enter: pmap: %p,virt %lx, phys %lx, prot %x w %x\n",
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patch[i] = nypte;
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patch[i+1] = nypte+1;
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patch[i+2] = nypte+2;
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patch[i+3] = nypte+3;
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patch[i+4] = nypte+4;
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patch[i+5] = nypte+5;
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patch[i+6] = nypte+6;
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patch[i+7] = nypte+7;
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if (v > KERNBASE && v < ptemapend) { /* If we're playing with PTEs */
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mtpr(0, PR_TBIA);
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} else {
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mtpr(v, PR_TBIS);
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mtpr(v + NBPG, PR_TBIS);
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}
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mtpr(0, PR_TBIA);
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}
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void *
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@ -801,6 +827,12 @@ if(startpmapdebug) printf("pmap_protect: pmap %p, start %lx, end %lx, prot %x\n"
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if (*(int *)pts) {
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pts[0].pg_prot = pr;
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pts[1].pg_prot = pr;
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pts[2].pg_prot = pr;
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pts[3].pg_prot = pr;
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pts[4].pg_prot = pr;
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pts[5].pg_prot = pr;
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pts[6].pg_prot = pr;
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pts[7].pg_prot = pr;
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}
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pts += CLSIZE;
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}
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@ -858,10 +890,16 @@ pmap_clear_reference(pa)
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pv = pv_table + (pa >> CLSHIFT);
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if (pv->pv_pte)
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pv->pv_pte[0].pg_v = pv->pv_pte[1].pg_v = 0;
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pv->pv_pte[0].pg_v = pv->pv_pte[1].pg_v =
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pv->pv_pte[2].pg_v = pv->pv_pte[3].pg_v =
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pv->pv_pte[4].pg_v = pv->pv_pte[5].pg_v =
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pv->pv_pte[6].pg_v = pv->pv_pte[7].pg_v = 0;
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while ((pv = pv->pv_next))
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pv->pv_pte[0].pg_v = pv->pv_pte[1].pg_v = 0;
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pv->pv_pte[0].pg_v = pv->pv_pte[1].pg_v =
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pv->pv_pte[2].pg_v = pv->pv_pte[3].pg_v =
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pv->pv_pte[4].pg_v = pv->pv_pte[5].pg_v =
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pv->pv_pte[6].pg_v = pv->pv_pte[7].pg_v = 0;
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#ifdef PMAP_NEW
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return TRUE; /* XXX */
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#endif
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@ -891,11 +929,17 @@ pmap_is_modified(pa)
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#endif
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if (pv->pv_pte)
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if ((pv->pv_pte[0].pg_m | pv->pv_pte[1].pg_m))
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if ((pv->pv_pte[0].pg_m | pv->pv_pte[1].pg_m
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| pv->pv_pte[2].pg_m | pv->pv_pte[3].pg_m
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| pv->pv_pte[4].pg_m | pv->pv_pte[5].pg_m
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| pv->pv_pte[6].pg_m | pv->pv_pte[7].pg_m))
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return 1;
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while ((pv = pv->pv_next)) {
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if ((pv->pv_pte[0].pg_m | pv->pv_pte[1].pg_m))
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if ((pv->pv_pte[0].pg_m | pv->pv_pte[1].pg_m
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| pv->pv_pte[2].pg_m | pv->pv_pte[3].pg_m
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| pv->pv_pte[4].pg_m | pv->pv_pte[5].pg_m
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| pv->pv_pte[6].pg_m | pv->pv_pte[7].pg_m))
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return 1;
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}
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return 0;
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@ -925,10 +969,16 @@ pmap_clear_modify(pa)
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printf("pmap_clear_modify: pa %lx pv_entry %p\n", pa, pv);
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#endif
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if (pv->pv_pte)
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pv->pv_pte[0].pg_m = pv->pv_pte[1].pg_m = 0;
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pv->pv_pte[0].pg_m = pv->pv_pte[1].pg_m =
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pv->pv_pte[2].pg_m = pv->pv_pte[3].pg_m =
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pv->pv_pte[4].pg_m = pv->pv_pte[5].pg_m =
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pv->pv_pte[6].pg_m = pv->pv_pte[7].pg_m = 0;
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while ((pv = pv->pv_next))
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pv->pv_pte[0].pg_m = pv->pv_pte[1].pg_m = 0;
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pv->pv_pte[0].pg_m = pv->pv_pte[1].pg_m =
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pv->pv_pte[2].pg_m = pv->pv_pte[3].pg_m =
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pv->pv_pte[4].pg_m = pv->pv_pte[5].pg_m =
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pv->pv_pte[6].pg_m = pv->pv_pte[7].pg_m = 0;
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#ifdef PMAP_NEW
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return TRUE; /* XXX */
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#endif
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@ -945,7 +995,19 @@ pmap_page_protect(pg, prot)
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struct vm_page *pg;
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vm_prot_t prot;
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{
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vm_offset_t pa = VM_PAGE_TO_PHYS(pg);
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struct pte *pt;
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struct pv_entry *pv, *opv;
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int s;
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vm_offset_t pa;
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#ifdef PMAPDEBUG
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if(startpmapdebug) printf("pmap_page_protect: pg %p, prot %x, ",pg, prot);
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#endif
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pa = VM_PAGE_TO_PHYS(pg);
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#ifdef PMAPDEBUG
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if(startpmapdebug) printf("pa %lx\n",pa);
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#endif
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#else
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void
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pmap_page_protect(pa, prot)
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@ -953,13 +1015,7 @@ pmap_page_protect(pa, prot)
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vm_prot_t prot;
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{
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#endif
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struct pte *pt;
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struct pv_entry *pv, *opv;
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int s;
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#ifdef PMAPDEBUG
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if(startpmapdebug) printf("pmap_page_protect: pa %lx, prot %x\n",pa, prot);
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#endif
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pv = pv_table + (pa >> CLSHIFT);
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if (pv->pv_pte == 0 && pv->pv_next == 0)
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return;
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@ -989,9 +1045,11 @@ if(startpmapdebug) printf("pmap_page_protect: pa %lx, prot %x\n",pa, prot);
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if (pt == 0)
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continue;
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pt[0].pg_prot = pt[1].pg_prot =
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pt[2].pg_prot = pt[3].pg_prot =
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pt[4].pg_prot = pt[5].pg_prot =
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pt[6].pg_prot = pt[7].pg_prot =
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((vm_offset_t)pv->pv_pte < ptemapstart ?
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PROT_KR : PROT_RO);
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} while ((pv = pv->pv_next));
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}
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mtpr(0, PR_TBIA);
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