src/arch/power/vtophys.hh

   1 /*
   2  * Copyright (c) 2002-2005 The Regents of The University of Michigan
   3  * Copyright (c) 2007-2008 The Florida State University
   4  * Copyright (c) 2009 The University of Edinburgh
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions are
   9  * met: redistributions of source code must retain the above copyright
  10  * notice, this list of conditions and the following disclaimer;
  11  * 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  * neither the name of the copyright holders nor the names of its
  15  * contributors may be used to endorse or promote products derived from
  16  * this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  *
  30  * Authors: Ali Saidi
  31  *          Nathan Binkert
  32  *          Stephen Hines
  33  *          Timothy M. Jones
  34  */
  35
  36 #ifndef __ARCH_POWER_VTOPHYS_HH__
  37 #define __ARCH_POWER_VTOPHYS_HH__
  38
  39 #include "arch/power/isa_traits.hh"
  40 #include "arch/power/utility.hh"
  41
  42 class ThreadContext;
  43
  44 namespace PowerISA {
  45
  46 Addr vtophys(Addr vaddr);
  47 Addr vtophys(ThreadContext *tc, Addr vaddr);
  48
  49 inline Addr
  50 PteAddr(Addr a)
  51 {
  52     return (a & PteMask) << PteShift;
  53 }
  54
  55 } // namespace PowerISA
  56
  57 #endif // __ARCH_POWER_VTOPHYS_HH__
  58