71 lines
2.4 KiB
C
71 lines
2.4 KiB
C
/* $NetBSD: pmap.h,v 1.7 2007/02/21 22:59:36 thorpej Exp $ */
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/*-
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* Copyright (c) 1997, 1998 Ben Harris
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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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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* machine/pmap.h - Machine-dependent pmap stuff from MEMC1A
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*/
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#ifndef _ARM26_PMAP_H
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#define _ARM26_PMAP_H
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struct pmap;
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typedef struct pmap *pmap_t;
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#ifdef _KERNEL
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#include <machine/memcreg.h>
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extern void pmap_bootstrap __P((int, paddr_t));
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extern struct pmap kernel_pmap_store;
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#define pmap_kernel() (&kernel_pmap_store)
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extern bool pmap_fault(pmap_t, vaddr_t, vm_prot_t);
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/* These have to be macros, whatever pmap(9) says. */
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#define pmap_resident_count(pmap) _pmap_resident_count(pmap)
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#define pmap_wired_count(pmap) _pmap_wired_count(pmap)
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extern long _pmap_resident_count(pmap_t);
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extern long _pmap_wired_count(pmap_t);
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static __inline void
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pmap_remove_all(struct pmap *pmap)
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{
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/* Nothing. */
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}
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/* Save on hassle and kernel VM */
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#define PMAP_MAP_POOLPAGE(pa) ((vaddr_t)MEMC_PHYS_BASE + (pa))
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#define PMAP_UNMAP_POOLPAGE(va) ((va) - (vaddr_t)MEMC_PHYS_BASE)
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#define PMAP_STEAL_MEMORY
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#endif /* _KERNEL */
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#endif
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