src/arch/mips/tlb.hh

   1 /*
   2  * Copyright (c) 2006 The Regents of The University of Michigan
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are
   7  * met: redistributions of source code must retain the above copyright
   8  * notice, this list of conditions and the following disclaimer;
   9  * redistributions in binary form must reproduce the above copyright
  10  * notice, this list of conditions and the following disclaimer in the
  11  * documentation and/or other materials provided with the distribution;
  12  * neither the name of the copyright holders nor the names of its
  13  * contributors may be used to endorse or promote products derived from
  14  * this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  18  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  19  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  20  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  21  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  22  * 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
  26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  *
  28  * Authors: Gabe Black
  29  */
  30
  31 #ifndef __ARCH_MIPS_TLB_HH__
  32 #define __ARCH_MIPS_TLB_HH__
  33
  34 #include "sim/tlb.hh"
  35
  36 namespace MipsISA
  37 {
  38     struct TlbEntry
  39     {
  40         Addr pageStart;
  41         TlbEntry() {}
  42         TlbEntry(Addr paddr) : pageStart(paddr) {}
  43
  44         void serialize(std::ostream &os);
  45         void unserialize(Checkpoint *cp, const std::string &section);
  46     };
  47
  48     class ITB : public GenericITB<>
  49     {
  50       public:
  51         ITB(const std::string &name) : GenericITB<>(name)
  52         {}
  53     };
  54
  55     class DTB : public GenericDTB<>
  56     {
  57       public:
  58         DTB(const std::string &name) : GenericDTB<>(name)
  59         {}
  60     };
  61 };
  62
  63 #endif // __ARCH_MIPS_TLB_HH__