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/*
* 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.
*
* Authors: Korey Sewell
*/
#ifndef __MIPS_FAULTS_HH__
#define __MIPS_FAULTS_HH__
#include "sim/faults.hh"
// The design of the "name" and "vect" functions is in sim/faults.hh
namespace MipsISA
{
typedef const Addr FaultVect;
class MipsFault : public FaultBase
{
protected:
virtual bool skipFaultingInstruction() {return false;}
virtual bool setRestartAddress() {return true;}
public:
#if FULL_SYSTEM
void invoke(ThreadContext * tc);
#endif
virtual FaultVect vect() = 0;
virtual FaultStat & countStat() = 0;
};
class MachineCheckFault : public MipsFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
bool isMachineCheckFault() {return true;}
};
class AlignmentFault : public MipsFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
bool isAlignmentFault() {return true;}
};
#if !FULL_SYSTEM
class PageTableFault : public MipsFault
{
private:
Addr vaddr;
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
public:
PageTableFault(Addr va)
: vaddr(va) {}
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
void invoke(ThreadContext * tc);
};
static inline Fault genPageTableFault(Addr va)
{
return new PageTableFault(va);
}
#endif
static inline Fault genMachineCheckFault()
{
return new MachineCheckFault;
}
static inline Fault genAlignmentFault()
{
return new AlignmentFault;
}
class ResetFault : public MipsFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
};
class ArithmeticFault : public MipsFault
{
protected:
bool skipFaultingInstruction() {return true;}
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
#if FULL_SYSTEM
void invoke(ThreadContext * tc);
#endif
};
class InterruptFault : public MipsFault
{
protected:
bool setRestartAddress() {return false;}
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
};
class NDtbMissFault : public MipsFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
};
class PDtbMissFault : public MipsFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
};
class DtbPageFault : public MipsFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
};
class DtbAcvFault : public MipsFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
};
class ItbMissFault : public MipsFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
};
class ItbPageFault : public MipsFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
};
class ItbAcvFault : public MipsFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
};
class UnimplementedOpcodeFault : public MipsFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
};
class FloatEnableFault : public MipsFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
};
class PalFault : public MipsFault
{
protected:
bool skipFaultingInstruction() {return true;}
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
};
class IntegerOverflowFault : public MipsFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
};
} // MipsISA namespace
#endif // __FAULTS_HH__
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