gem5/arch/alpha/faults.hh
Gabe Black 6b7d627903 Got rid of the multiple inheritance in the Fault classes, and the base MachineCheck and Alignment faults.
--HG--
extra : convert_revision : 4b1429ef5c7a11c25e28f2bc868cc1481a08c5d1
2006-03-01 19:03:42 -05:00

268 lines
6.7 KiB
C++

/*
* Copyright (c) 2003-2005 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __ALPHA_FAULTS_HH__
#define __ALPHA_FAULTS_HH__
#include "sim/faults.hh"
// The design of the "name" and "vect" functions is in sim/faults.hh
namespace AlphaISA
{
typedef const Addr FaultVect;
class AlphaFault : public virtual FaultBase
{
protected:
virtual bool skipFaultingInstruction() {return false;}
virtual bool setRestartAddress() {return true;}
public:
#if FULL_SYSTEM
void invoke(ExecContext * xc);
#endif
virtual FaultVect vect() = 0;
};
class MachineCheckFault : public AlphaFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _stat;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & stat() {return _stat;}
bool isMachineCheckFault() {return true;}
};
class AlignmentFault : public AlphaFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _stat;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & stat() {return _stat;}
bool isAlignmentFault() {return true;}
};
static inline Fault genMachineCheckFault()
{
return new MachineCheckFault;
}
static inline Fault genAlignmentFault()
{
return new AlignmentFault;
}
class ResetFault : public AlphaFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _stat;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & stat() {return _stat;}
};
class ArithmeticFault : public AlphaFault
{
protected:
bool skipFaultingInstruction() {return true;}
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _stat;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & stat() {return _stat;}
#if FULL_SYSTEM
void invoke(ExecContext * xc);
#endif
};
class InterruptFault : public AlphaFault
{
protected:
bool setRestartAddress() {return false;}
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _stat;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & stat() {return _stat;}
};
class NDtbMissFault : public AlphaFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _stat;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & stat() {return _stat;}
};
class PDtbMissFault : public AlphaFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _stat;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & stat() {return _stat;}
};
class DtbPageFault : public AlphaFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _stat;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & stat() {return _stat;}
};
class DtbAcvFault : public AlphaFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _stat;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & stat() {return _stat;}
};
class ItbMissFault : public AlphaFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _stat;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & stat() {return _stat;}
};
class ItbPageFault : public AlphaFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _stat;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & stat() {return _stat;}
};
class ItbAcvFault : public AlphaFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _stat;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & stat() {return _stat;}
};
class UnimplementedOpcodeFault : public AlphaFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _stat;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & stat() {return _stat;}
};
class FloatEnableFault : public AlphaFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _stat;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & stat() {return _stat;}
};
class PalFault : public AlphaFault
{
protected:
bool skipFaultingInstruction() {return true;}
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _stat;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & stat() {return _stat;}
};
class IntegerOverflowFault : public AlphaFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _stat;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & stat() {return _stat;}
};
} // AlphaISA namespace
#endif // __FAULTS_HH__