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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.
- */
-
-#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__
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