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Unused file for now - no more runtime decisions!

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ragge 1998-05-21 14:33:14 +00:00
parent 6568bc224e
commit d31979884b
1 changed files with 0 additions and 105 deletions
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105
sys/arch/vax/vax/uvax.c
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/* $NetBSD: uvax.c,v 1.5 1998/04/13 12:10:28 ragge Exp $ */
/*
* Copyright (c) 1996 Ludd, University of Lule}, Sweden.
* Copyright (c) 1982, 1988, 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* generic(?) MicroVAX and VAXstation support
*
* There are similarities to struct cpu_calls[] in autoconf.c
*/
#include <sys/param.h>
#include <sys/types.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <vm/vm.h>
#include <vm/vm_kern.h>
#include <machine/pte.h>
#include <machine/mtpr.h>
#include <machine/sid.h>
#include <machine/pmap.h>
#include <machine/nexus.h>
#include <machine/uvax.h>
#include <machine/cpu.h>
/*
* NB: mapping should/must be done in chunks of PAGE_SIZE (ie. 1024),
* while pmap_map() expects size to be in chunks of NBPG (ie. 512).
*
* Thus we round down the start-address to be aligned wrt PAGE_SIZE and
* the end-address up to be just beyond the next multiple of PAGE_SIZE.
* size is the number of bytes between start and end expressed in NBPG.
*/
void
uvax_fillmap()
{
extern vm_offset_t virtual_avail;
register struct uc_map *p;
register u_int base, end, off, size;
for (p = dep_call->cpu_map; p->um_base != 0; p++) {
base = TRUNC_PAGE(p->um_base); /* round base down */
off = p->um_base - base;
size = ROUND_PAGE(off + p->um_size);
if (size < PAGE_SIZE) {
printf("invalid size %d in uVAX_fillmap\n", size);
size = PAGE_SIZE;
}
end = base + size - 1;
MAPVIRT(p->um_virt, size/NBPG);
pmap_map((vm_offset_t)p->um_virt, base, end,
VM_PROT_READ|VM_PROT_WRITE);
}
}
u_long
uvax_phys2virt(phys)
u_long phys;
{
register struct uc_map *p;
u_long virt = 0;
for (p = dep_call->cpu_map; p->um_base != 0; p++) {
if (p->um_base > phys || p->um_end < phys)
continue;
virt = p->um_virt + (phys - trunc_page(p->um_base));
break;
}
#ifdef DIAGNOSTIC
if (virt == 0)
panic("invalid argument %lx to uvax_phys2virt()\n", phys);
#endif
return (virt);
}