gem5/arch/alpha/faults.hh
Kevin Lim bd38b56774 Move TLB faults into the normal fault classes. Now they are executed when the fault is invoked.
--HG--
extra : convert_revision : b5f00fff277e863b3fe43422bc39d0487c482e60
2006-04-22 18:09:08 -04:00

352 lines
8.7 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 "arch/alpha/isa_traits.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 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;
virtual FaultStat & countStat() = 0;
};
class MachineCheckFault : public AlphaFault
{
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 AlphaFault
{
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;}
};
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 _count;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
};
class ArithmeticFault : public AlphaFault
{
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(ExecContext * xc);
#endif
};
class InterruptFault : public AlphaFault
{
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 DtbFault : public AlphaFault
{
#if FULL_SYSTEM
private:
AlphaISA::VAddr vaddr;
uint32_t reqFlags;
uint64_t flags;
public:
DtbFault(AlphaISA::VAddr _vaddr, uint32_t _reqFlags, uint64_t _flags)
: vaddr(_vaddr), reqFlags(_reqFlags), flags(_flags)
{ }
#endif
FaultName name() = 0;
FaultVect vect() = 0;
FaultStat & countStat() = 0;
#if FULL_SYSTEM
void invoke(ExecContext * xc);
#endif
};
class NDtbMissFault : public DtbFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
public:
#if FULL_SYSTEM
NDtbMissFault(AlphaISA::VAddr vaddr, uint32_t reqFlags, uint64_t flags)
: DtbFault(vaddr, reqFlags, flags)
{ }
#endif
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
};
class PDtbMissFault : public DtbFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
public:
#if FULL_SYSTEM
PDtbMissFault(AlphaISA::VAddr vaddr, uint32_t reqFlags, uint64_t flags)
: DtbFault(vaddr, reqFlags, flags)
{ }
#endif
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
};
class DtbPageFault : public DtbFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
public:
#if FULL_SYSTEM
DtbPageFault(AlphaISA::VAddr vaddr, uint32_t reqFlags, uint64_t flags)
: DtbFault(vaddr, reqFlags, flags)
{ }
#endif
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
};
class DtbAcvFault : public DtbFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
public:
#if FULL_SYSTEM
DtbAcvFault(AlphaISA::VAddr vaddr, uint32_t reqFlags, uint64_t flags)
: DtbFault(vaddr, reqFlags, flags)
{ }
#endif
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
};
class DtbAlignmentFault : public DtbFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
public:
#if FULL_SYSTEM
DtbAlignmentFault(AlphaISA::VAddr vaddr, uint32_t reqFlags, uint64_t flags)
: DtbFault(vaddr, reqFlags, flags)
{ }
#endif
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
};
class ItbFault : public AlphaFault
{
private:
Addr pc;
public:
ItbFault(Addr _pc)
: pc(_pc)
{ }
FaultName name() = 0;
FaultVect vect() = 0;
FaultStat & countStat() = 0;
#if FULL_SYSTEM
void invoke(ExecContext * xc);
#endif
};
class ItbMissFault : public ItbFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
public:
ItbMissFault(Addr pc)
: ItbFault(pc)
{ }
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
};
class ItbPageFault : public ItbFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
public:
ItbPageFault(Addr pc)
: ItbFault(pc)
{ }
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
};
class ItbAcvFault : public ItbFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
public:
ItbAcvFault(Addr pc)
: ItbFault(pc)
{ }
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
};
class UnimplementedOpcodeFault : public AlphaFault
{
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 AlphaFault
{
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 AlphaFault
{
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 AlphaFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
public:
FaultName name() {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
};
} // AlphaISA namespace
#endif // __FAULTS_HH__