NetBSD/sys/arch/arm26/include/pmap.h

67 lines
2.4 KiB
C

/* $NetBSD: pmap.h,v 1.5 2001/05/05 14:20:06 bjh21 Exp $ */
/*-
* Copyright (c) 1997, 1998 Ben Harris
* 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. 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.
*/
/* This file is part of NetBSD/arm26 -- a port of NetBSD to ARM2/3 machines. */
/*
* machine/pmap.h - Machine-dependent pmap stuff from MEMC1A
*/
#ifndef _ARM26_PMAP_H
#define _ARM26_PMAP_H
struct pmap;
typedef struct pmap *pmap_t;
#ifdef _KERNEL
#include <machine/memcreg.h>
extern void pmap_bootstrap __P((int, paddr_t));
extern struct pmap kernel_pmap_store;
#define pmap_kernel() (&kernel_pmap_store)
extern boolean_t pmap_fault(pmap_t, vaddr_t, vm_prot_t);
/* These have to be macros, whatever pmap(9) says. */
#define pmap_resident_count(pmap) _pmap_resident_count(pmap)
#define pmap_wired_count(pmap) _pmap_wired_count(pmap)
extern long _pmap_resident_count(pmap_t);
extern long _pmap_wired_count(pmap_t);
/* Save on hassle and kernel VM */
#define PMAP_MAP_POOLPAGE(pa) ((vaddr_t)MEMC_PHYS_BASE + (pa))
#define PMAP_UNMAP_POOLPAGE(va) ((va) - (vaddr_t)MEMC_PHYS_BASE)
#define PMAP_STEAL_MEMORY
#endif /* _KERNEL */
#endif