arch/alpha/faults.hh

   1 /*
   2  * Copyright (c) 2003-2005 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
  29 #ifndef __ALPHA_FAULTS_HH__
  30 #define __ALPHA_FAULTS_HH__
  31
  32 #include "sim/faults.hh"
  33
  34 // The design of the "name" and "vect" functions is in sim/faults.hh
  35
  36 namespace AlphaISA
  37 {
  38
  39 typedef const Addr FaultVect;
  40
  41 class AlphaFault : public virtual FaultBase
  42 {
  43   public:
  44 #if FULL_SYSTEM
  45     void ev5_trap(ExecContext * xc);
  46 #endif
  47     virtual FaultVect vect() = 0;
  48 };
  49
  50 class AlphaMachineCheckFault :
  51     public MachineCheckFault,
  52     public AlphaFault
  53 {
  54   private:
  55     static FaultVect _vect;
  56     static FaultStat _stat;
  57   public:
  58     FaultVect vect() {return _vect;}
  59     FaultStat & stat() {return _stat;}
  60 };
  61
  62 class AlphaAlignmentFault :
  63     public AlignmentFault,
  64     public AlphaFault
  65 {
  66   private:
  67     static FaultVect _vect;
  68     static FaultStat _stat;
  69   public:
  70     FaultVect vect() {return _vect;}
  71     FaultStat & stat() {return _stat;}
  72 };
  73
  74 static inline Fault genMachineCheckFault()
  75 {
  76     return new AlphaMachineCheckFault;
  77 }
  78
  79 static inline Fault genAlignmentFault()
  80 {
  81     return new AlphaAlignmentFault;
  82 }
  83
  84 class ResetFault : public AlphaFault
  85 {
  86   private:
  87     static FaultName _name;
  88     static FaultVect _vect;
  89     static FaultStat _stat;
  90   public:
  91     FaultName name() {return _name;}
  92     FaultVect vect() {return _vect;}
  93     FaultStat & stat() {return _stat;}
  94 };
  95
  96 class ArithmeticFault : public AlphaFault
  97 {
  98   private:
  99     static FaultName _name;
 100     static FaultVect _vect;
 101     static FaultStat _stat;
 102   public:
 103     FaultName name() {return _name;}
 104     FaultVect vect() {return _vect;}
 105     FaultStat & stat() {return _stat;}
 106 };
 107
 108 class InterruptFault : public AlphaFault
 109 {
 110   private:
 111     static FaultName _name;
 112     static FaultVect _vect;
 113     static FaultStat _stat;
 114   public:
 115     FaultName name() {return _name;}
 116     FaultVect vect() {return _vect;}
 117     FaultStat & stat() {return _stat;}
 118 };
 119
 120 class NDtbMissFault : public AlphaFault
 121 {
 122   private:
 123     static FaultName _name;
 124     static FaultVect _vect;
 125     static FaultStat _stat;
 126   public:
 127     FaultName name() {return _name;}
 128     FaultVect vect() {return _vect;}
 129     FaultStat & stat() {return _stat;}
 130 };
 131
 132 class PDtbMissFault : public AlphaFault
 133 {
 134   private:
 135     static FaultName _name;
 136     static FaultVect _vect;
 137     static FaultStat _stat;
 138   public:
 139     FaultName name() {return _name;}
 140     FaultVect vect() {return _vect;}
 141     FaultStat & stat() {return _stat;}
 142 };
 143
 144 class DtbPageFault : public AlphaFault
 145 {
 146   private:
 147     static FaultName _name;
 148     static FaultVect _vect;
 149     static FaultStat _stat;
 150   public:
 151     FaultName name() {return _name;}
 152     FaultVect vect() {return _vect;}
 153     FaultStat & stat() {return _stat;}
 154 };
 155
 156 class DtbAcvFault : public AlphaFault
 157 {
 158   private:
 159     static FaultName _name;
 160     static FaultVect _vect;
 161     static FaultStat _stat;
 162   public:
 163     FaultName name() {return _name;}
 164     FaultVect vect() {return _vect;}
 165     FaultStat & stat() {return _stat;}
 166 };
 167
 168 class ItbMissFault : public AlphaFault
 169 {
 170   private:
 171     static FaultName _name;
 172     static FaultVect _vect;
 173     static FaultStat _stat;
 174   public:
 175     FaultName name() {return _name;}
 176     FaultVect vect() {return _vect;}
 177     FaultStat & stat() {return _stat;}
 178 };
 179
 180 class ItbPageFault : public AlphaFault
 181 {
 182   private:
 183     static FaultName _name;
 184     static FaultVect _vect;
 185     static FaultStat _stat;
 186   public:
 187     FaultName name() {return _name;}
 188     FaultVect vect() {return _vect;}
 189     FaultStat & stat() {return _stat;}
 190 };
 191
 192 class ItbAcvFault : public AlphaFault
 193 {
 194   private:
 195     static FaultName _name;
 196     static FaultVect _vect;
 197     static FaultStat _stat;
 198   public:
 199     FaultName name() {return _name;}
 200     FaultVect vect() {return _vect;}
 201     FaultStat & stat() {return _stat;}
 202 };
 203
 204 class UnimplementedOpcodeFault : public AlphaFault
 205 {
 206   private:
 207     static FaultName _name;
 208     static FaultVect _vect;
 209     static FaultStat _stat;
 210   public:
 211     FaultName name() {return _name;}
 212     FaultVect vect() {return _vect;}
 213     FaultStat & stat() {return _stat;}
 214 };
 215
 216 class FloatEnableFault : public AlphaFault
 217 {
 218   private:
 219     static FaultName _name;
 220     static FaultVect _vect;
 221     static FaultStat _stat;
 222   public:
 223     FaultName name() {return _name;}
 224     FaultVect vect() {return _vect;}
 225     FaultStat & stat() {return _stat;}
 226 };
 227
 228 class PalFault : public AlphaFault
 229 {
 230   private:
 231     static FaultName _name;
 232     static FaultVect _vect;
 233     static FaultStat _stat;
 234   public:
 235     FaultName name() {return _name;}
 236     FaultVect vect() {return _vect;}
 237     FaultStat & stat() {return _stat;}
 238 };
 239
 240 class IntegerOverflowFault : public AlphaFault
 241 {
 242   private:
 243     static FaultName _name;
 244     static FaultVect _vect;
 245     static FaultStat _stat;
 246   public:
 247     FaultName name() {return _name;}
 248     FaultVect vect() {return _vect;}
 249     FaultStat & stat() {return _stat;}
 250 };
 251
 252 } // AlphaISA namespace
 253
 254 #endif // __FAULTS_HH__