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+/*
+ * Copyright (c) 2003-2005 The Regents of The University of Michigan
+ * Copyright (c) 2007-2008 The Florida State University
+ * 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
+ * Stephen Hines
+ */
+
+#ifndef __ARM_FAULTS_HH__
+#define __ARM_FAULTS_HH__
+
+#include "sim/faults.hh"
+
+// The design of the "name" and "vect" functions is in sim/faults.hh
+
+namespace ArmISA
+{
+typedef const Addr FaultVect;
+
+class ArmFault : public FaultBase
+{
+ protected:
+ virtual bool skipFaultingInstruction() {return false;}
+ virtual bool setRestartAddress() {return true;}
+ public:
+ Addr BadVAddr;
+ Addr EntryHi_Asid;
+ Addr EntryHi_VPN2;
+ Addr EntryHi_VPN2X;
+ Addr Context_BadVPN2;
+#if FULL_SYSTEM
+ void invoke(ThreadContext * tc) {};
+ void setExceptionState(ThreadContext *,uint8_t);
+ void setHandlerPC(Addr,ThreadContext *);
+#endif
+ virtual FaultVect vect() = 0;
+ virtual FaultStat & countStat() = 0;
+};
+
+class MachineCheckFault : public ArmFault
+{
+ 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 isMachineCheckFault() {return true;}
+};
+
+class NonMaskableInterrupt : public ArmFault
+{
+ 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 isNonMaskableInterrupt() {return true;}
+};
+
+class AlignmentFault : public ArmFault
+{
+ 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() {return true;}
+};
+
+class AddressErrorFault : public ArmFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+#if FULL_SYSTEM
+ void invoke(ThreadContext * tc);
+#endif
+
+};
+class StoreAddressErrorFault : public ArmFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+#if FULL_SYSTEM
+ void invoke(ThreadContext * tc);
+#endif
+
+};
+class UnimplementedOpcodeFault : public ArmFault
+{
+ 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 TLBRefillIFetchFault : public ArmFault
+{
+ private:
+ Addr vaddr;
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+ void invoke(ThreadContext * tc);
+};
+class TLBInvalidIFetchFault : public ArmFault
+{
+ private:
+ Addr vaddr;
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+ void invoke(ThreadContext * tc);
+};
+
+class NDtbMissFault : public ArmFault
+{
+ 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 PDtbMissFault : public ArmFault
+{
+ 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 DtbPageFault : public ArmFault
+{
+ 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 DtbAcvFault : public ArmFault
+{
+ 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 CacheErrorFault : public ArmFault
+{
+ private:
+ Addr vaddr;
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+ void invoke(ThreadContext * tc);
+};
+
+
+
+
+static inline Fault genMachineCheckFault()
+{
+ return new MachineCheckFault;
+}
+
+static inline Fault genAlignmentFault()
+{
+ return new AlignmentFault;
+}
+
+class ResetFault : public ArmFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+ void invoke(ThreadContext * tc);
+
+};
+class SystemCallFault : public ArmFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+ void invoke(ThreadContext * tc);
+};
+
+class SoftResetFault : public ArmFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+ void invoke(ThreadContext * tc);
+};
+class DebugSingleStep : public ArmFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+ void invoke(ThreadContext * tc);
+};
+class DebugInterrupt : public ArmFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+ void invoke(ThreadContext * tc);
+};
+
+class CoprocessorUnusableFault : public ArmFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ int coProcID;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+ void invoke(ThreadContext * tc);
+ CoprocessorUnusableFault(int _procid){ coProcID = _procid;}
+};
+
+class ReservedInstructionFault : public ArmFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+ void invoke(ThreadContext * tc);
+};
+
+class ThreadFault : public ArmFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+ void invoke(ThreadContext * tc);
+};
+
+
+class ArithmeticFault : public ArmFault
+{
+ protected:
+ bool skipFaultingInstruction() {return true;}
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+#if FULL_SYSTEM
+ void invoke(ThreadContext * tc);
+#endif
+};
+
+class InterruptFault : public ArmFault
+{
+ protected:
+ bool setRestartAddress() {return false;}
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+
+#if FULL_SYSTEM
+ void invoke(ThreadContext * tc);
+#endif
+
+ //void invoke(ThreadContext * tc);
+};
+
+class TrapFault : public ArmFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+#if FULL_SYSTEM
+ void invoke(ThreadContext * tc);
+#endif
+};
+
+class BreakpointFault : public ArmFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+#if FULL_SYSTEM
+ void invoke(ThreadContext * tc);
+#endif
+};
+
+class ItbRefillFault : public ArmFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+#if FULL_SYSTEM
+ void invoke(ThreadContext * tc);
+#endif
+};
+class DtbRefillFault : public ArmFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+#if FULL_SYSTEM
+ void invoke(ThreadContext * tc);
+#endif
+};
+
+class ItbPageFault : public ArmFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+#if FULL_SYSTEM
+ void invoke(ThreadContext * tc);
+#endif
+};
+
+class ItbInvalidFault : public ArmFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+#if FULL_SYSTEM
+ void invoke(ThreadContext * tc);
+#endif
+
+};
+class TLBModifiedFault : public ArmFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+#if FULL_SYSTEM
+ void invoke(ThreadContext * tc);
+#endif
+
+};
+
+class DtbInvalidFault : public ArmFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+#if FULL_SYSTEM
+ void invoke(ThreadContext * tc);
+#endif
+
+};
+
+class FloatEnableFault : public ArmFault
+{
+ 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 ItbMissFault : public ArmFault
+{
+ 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 ItbAcvFault : public ArmFault
+{
+ 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 IntegerOverflowFault : public ArmFault
+{
+ 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 DspStateDisabledFault : public ArmFault
+{
+ private:
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ FaultName name() const {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+ void invoke(ThreadContext * tc);
+};
+
+} // ArmISA namespace
+
+#endif // __ARM_FAULTS_HH__
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