src/arch/sparc/isa.hh

   1 /*
   2  * Copyright (c) 2009 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_SPARC_ISA_HH__
  32 #define __ARCH_SPARC_ISA_HH__
  33
  34 #include "arch/sparc/miscregfile.hh"
  35 #include "arch/sparc/types.hh"
  36
  37 class Checkpoint;
  38 class EventManager;
  39
  40 namespace SparcISA
  41 {
  42     class ISA
  43     {
  44       protected:
  45         MiscRegFile miscRegFile;
  46
  47       public:
  48
  49         int instAsid()
  50         {
  51             return miscRegFile.getInstAsid();
  52         }
  53
  54         int dataAsid()
  55         {
  56             return miscRegFile.getDataAsid();
  57         }
  58
  59         void clear();
  60
  61         MiscReg readMiscRegNoEffect(int miscReg);
  62         MiscReg readMiscReg(int miscReg, ThreadContext *tc);
  63
  64         void setMiscRegNoEffect(int miscReg, const MiscReg val);
  65         void setMiscReg(int miscReg, const MiscReg val,
  66                 ThreadContext *tc);
  67
  68         int flattenIntIndex(int reg);
  69
  70         int
  71         flattenFloatIndex(int reg)
  72         {
  73             return reg;
  74         }
  75
  76         void serialize(EventManager *em, std::ostream &os);
  77         void unserialize(EventManager *em, Checkpoint *cp,
  78                 const std::string &section);
  79
  80         ISA()
  81         {
  82             clear();
  83         }
  84     };
  85 }
  86
  87 #endif