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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: Gabe Black
* Kevin Lim
*/
#ifndef __ARCH_ALPHA_FAULTS_HH__
#define __ARCH_ALPHA_FAULTS_HH__
#include "arch/alpha/pagetable.hh"
#include "mem/request.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:
virtual ~AlphaFault() {}
void invoke(ThreadContext * tc, const StaticInstPtr &inst =
StaticInst::nullStaticInstPtr);
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() const {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
};
class AlignmentFault : public AlphaFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
public:
FaultName name() const {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
bool isAlignmentFault() const {return true;}
};
class ResetFault : public AlphaFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
public:
FaultName name() const {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
};
class ArithmeticFault : public AlphaFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
protected:
bool skipFaultingInstruction() {return true;}
public:
FaultName name() const {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
void invoke(ThreadContext * tc, const StaticInstPtr &inst =
StaticInst::nullStaticInstPtr);
};
class InterruptFault : public AlphaFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
protected:
bool setRestartAddress() {return false;}
public:
FaultName name() const {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
};
class DtbFault : public AlphaFault
{
protected:
VAddr vaddr;
Request::Flags reqFlags;
uint64_t flags;
public:
DtbFault(VAddr _vaddr, Request::Flags _reqFlags, uint64_t _flags)
: vaddr(_vaddr), reqFlags(_reqFlags), flags(_flags)
{ }
FaultName name() const = 0;
FaultVect vect() = 0;
FaultStat & countStat() = 0;
void invoke(ThreadContext * tc, const StaticInstPtr &inst =
StaticInst::nullStaticInstPtr);
};
class NDtbMissFault : public DtbFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
public:
NDtbMissFault(VAddr vaddr, Request::Flags reqFlags, uint64_t flags)
: DtbFault(vaddr, reqFlags, flags)
{ }
FaultName name() const {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
void invoke(ThreadContext * tc, const StaticInstPtr &inst =
StaticInst::nullStaticInstPtr);
};
class PDtbMissFault : public DtbFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
public:
PDtbMissFault(VAddr vaddr, Request::Flags reqFlags, uint64_t flags)
: DtbFault(vaddr, reqFlags, flags)
{ }
FaultName name() const {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:
DtbPageFault(VAddr vaddr, Request::Flags reqFlags, uint64_t flags)
: DtbFault(vaddr, reqFlags, flags)
{ }
FaultName name() const {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:
DtbAcvFault(VAddr vaddr, Request::Flags reqFlags, uint64_t flags)
: DtbFault(vaddr, reqFlags, flags)
{ }
FaultName name() const {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:
DtbAlignmentFault(VAddr vaddr, Request::Flags reqFlags, uint64_t flags)
: DtbFault(vaddr, reqFlags, flags)
{ }
FaultName name() const {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
};
class ItbFault : public AlphaFault
{
protected:
Addr pc;
public:
ItbFault(Addr _pc) : pc(_pc) { }
FaultName name() const = 0;
FaultVect vect() = 0;
FaultStat & countStat() = 0;
void invoke(ThreadContext * tc, const StaticInstPtr &inst =
StaticInst::nullStaticInstPtr);
};
class ItbPageFault : public ItbFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
public:
ItbPageFault(Addr pc) : ItbFault(pc) { }
FaultName name() const {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
void invoke(ThreadContext * tc, const StaticInstPtr &inst =
StaticInst::nullStaticInstPtr);
};
class ItbAcvFault : public ItbFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
public:
ItbAcvFault(Addr pc) : ItbFault(pc) { }
FaultName name() const {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() const {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() const {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
};
class PalFault : public AlphaFault
{
private:
static FaultName _name;
static FaultVect _vect;
static FaultStat _count;
protected:
bool skipFaultingInstruction() {return true;}
public:
FaultName name() const {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() const {return _name;}
FaultVect vect() {return _vect;}
FaultStat & countStat() {return _count;}
};
} // namespace AlphaISA
#endif // __ARCH_ALPHA_FAULTS_HH__
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