diff options
author | Derek Hower <drh5@cs.wisc.edu> | 2010-01-19 15:48:12 -0600 |
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committer | Derek Hower <drh5@cs.wisc.edu> | 2010-01-19 15:48:12 -0600 |
commit | 279f179babc9e5663156777c533c06edc91bce9a (patch) | |
tree | e6718ee514cc81678491b50562ce8c463c0b20fd /src/arch/arm/faults.hh | |
parent | 5aa104e072eb20f6aca49b169521b0c2da33c844 (diff) | |
parent | 295516a590b6e47c9a881f193027447e500c749c (diff) | |
download | gem5-279f179babc9e5663156777c533c06edc91bce9a.tar.xz |
merge
Diffstat (limited to 'src/arch/arm/faults.hh')
-rw-r--r-- | src/arch/arm/faults.hh | 557 |
1 files changed, 44 insertions, 513 deletions
diff --git a/src/arch/arm/faults.hh b/src/arch/arm/faults.hh index 28ecd7591..7f8aa66b6 100644 --- a/src/arch/arm/faults.hh +++ b/src/arch/arm/faults.hh @@ -26,548 +26,79 @@ * (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 + * Authors: Ali Saidi + * Gabe Black */ #ifndef __ARM_FAULTS_HH__ #define __ARM_FAULTS_HH__ +#include "arch/arm/types.hh" +#include "config/full_system.hh" #include "sim/faults.hh" // The design of the "name" and "vect" functions is in sim/faults.hh namespace ArmISA { -typedef const Addr FaultVect; +typedef const Addr FaultOffset; -class ArmFault : public FaultBase +class ArmFaultBase : 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;} -}; + Addr getVector(ThreadContext *tc); -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); -}; + struct FaultVals + { + const FaultName name; + const FaultOffset offset; + const OperatingMode nextMode; + const uint8_t armPcOffset; + const uint8_t thumbPcOffset; + const bool abortDisable; + const bool fiqDisable; + FaultStat count; + }; - -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); + void invoke(ThreadContext *tc); #endif + virtual FaultStat& countStat() = 0; + virtual FaultOffset offset() = 0; + virtual OperatingMode nextMode() = 0; + virtual uint8_t armPcOffset() = 0; + virtual uint8_t thumbPcOffset() = 0; + virtual bool abortDisable() = 0; + virtual bool fiqDisable() = 0; }; -class InterruptFault : public ArmFault +template<typename T> +class ArmFault : public ArmFaultBase { 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 - -}; + static FaultVals vals; -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 - + FaultName name() const { return vals.name; } + FaultStat & countStat() {return vals.count;} + FaultOffset offset() { return vals.offset; } + OperatingMode nextMode() { return vals.nextMode; } + uint8_t armPcOffset() { return vals.armPcOffset; } + uint8_t thumbPcOffset() { return vals.thumbPcOffset; } + bool abortDisable() { return vals.abortDisable; } + bool fiqDisable() { return vals.fiqDisable; } }; -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 Reset : public ArmFault<Reset> {}; +class UndefinedInstruction : public ArmFault<UndefinedInstruction> {}; +class SupervisorCall : public ArmFault<SupervisorCall> {}; +class PrefetchAbort : public ArmFault<PrefetchAbort> {}; +class DataAbort : public ArmFault<DataAbort> {}; +class Interrupt : public ArmFault<Interrupt> {}; +class FastInterrupt : public ArmFault<FastInterrupt> {}; -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 |