gem5/arch/alpha/faults.hh
Gabe Black 299efffaf5 Cleaned up and slightly reorganized the Fault class heirarchy.
arch/alpha/ev5.cc:
    Changed c style casts of Faults to dynamic_casts
arch/alpha/faults.cc:
    AlphaFault is now an abstract class.
arch/alpha/faults.hh:
    AlphaFault is now an abstract class. Also, AlphaMachineCheckFault and AlphaAlignmentFault multiply inherit from both AlphaFault and from MachineCheckFault and AlignmentFault respectively. These classes get their name from the generic classes.
cpu/o3/alpha_cpu_impl.hh:
    Changed a c style cast to a dynamic_cast for a Fault
sim/faults.hh:
    All generic Fault classes are now abstract. Also, MachineCheckFault and AlignmentFault inherit FaultBase as a virtual base class to help resolve ambiguities when they are multiply inherited in ISA specific classes. The override the isMachineCheckFault and isAlignmentFault functions appropriately, and provide a standard name for these faults.

--HG--
extra : convert_revision : 2cb906708e3eaec4a12587484c09e50ed6ef88fc
2006-02-28 06:02:18 -05:00

261 lines
6.3 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
{
public:
#if FULL_SYSTEM
void ev5_trap(ExecContext * xc);
#endif
virtual FaultVect vect() = 0;
};
class AlphaMachineCheckFault :
public MachineCheckFault,
public AlphaFault
{
private:
static FaultVect _vect;
static FaultStat _stat;
public:
#if FULL_SYSTEM
void ev5_trap(ExecContext * xc);
#endif
FaultVect vect() {return _vect;}
FaultStat & stat() {return _stat;}
};
class AlphaAlignmentFault :
public AlignmentFault,
public AlphaFault
{
private:
static FaultVect _vect;
static FaultStat _stat;
public:
#if FULL_SYSTEM
void ev5_trap(ExecContext * xc);
#endif
FaultVect vect() {return _vect;}
FaultStat & stat() {return _stat;}
};
static inline Fault genMachineCheckFault()
{
return new AlphaMachineCheckFault;
}
static inline Fault genAlignmentFault()
{
return new AlphaAlignmentFault;
}
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
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _stat;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & stat() {return _stat;}
};
class InterruptFault : 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 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
{
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__