sys/arch/acorn26/include/pmap.h

   1 /* $NetBSD: pmap.h,v 1.8 2008/12/09 20:45:44 pooka Exp $ */
   2 /*-
   3  * Copyright (c) 1997, 1998 Ben Harris
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. The name of the author may not be used to endorse or promote products
  15  *    derived from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28 /*
  29  * machine/pmap.h - Machine-dependent pmap stuff from MEMC1A
  30  */
  31
  32 #ifndef _ARM26_PMAP_H
  33 #define _ARM26_PMAP_H
  34
  35 #ifdef _KERNEL
  36 #include <machine/memcreg.h>
  37
  38 extern void pmap_bootstrap(int, paddr_t);
  39
  40 extern bool pmap_fault(pmap_t, vaddr_t, vm_prot_t);
  41
  42 /* These have to be macros, whatever pmap(9) says. */
  43 #define pmap_resident_count(pmap)       _pmap_resident_count(pmap)
  44 #define pmap_wired_count(pmap)          _pmap_wired_count(pmap)
  45
  46 extern long _pmap_resident_count(pmap_t);
  47 extern long _pmap_wired_count(pmap_t);
  48
  49 static __inline void
  50 pmap_remove_all(struct pmap *pmap)
  51 {
  52         /* Nothing. */
  53 }
  54
  55 /* Save on hassle and kernel VM */
  56 #define PMAP_MAP_POOLPAGE(pa)   ((vaddr_t)MEMC_PHYS_BASE + (pa))
  57 #define PMAP_UNMAP_POOLPAGE(va) ((va) - (vaddr_t)MEMC_PHYS_BASE)
  58 #define PMAP_STEAL_MEMORY
  59
  60 #endif /* _KERNEL */
  61
  62 #endif