faults.hh revision 5851
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IN NO EVENT SHALL THE COPYRIGHT 474120Sgblack@eecs.umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 484120Sgblack@eecs.umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 494120Sgblack@eecs.umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 504120Sgblack@eecs.umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 514120Sgblack@eecs.umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 524120Sgblack@eecs.umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 534120Sgblack@eecs.umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 544120Sgblack@eecs.umich.edu * 554120Sgblack@eecs.umich.edu * Authors: Gabe Black 564120Sgblack@eecs.umich.edu */ 574120Sgblack@eecs.umich.edu 584120Sgblack@eecs.umich.edu#ifndef __ARCH_X86_FAULTS_HH__ 594120Sgblack@eecs.umich.edu#define __ARCH_X86_FAULTS_HH__ 604120Sgblack@eecs.umich.edu 614139Sgblack@eecs.umich.edu#include "base/misc.hh" 624135Sgblack@eecs.umich.edu#include "sim/faults.hh" 634120Sgblack@eecs.umich.edu 644120Sgblack@eecs.umich.edunamespace X86ISA 654120Sgblack@eecs.umich.edu{ 665114Sgblack@eecs.umich.edu // Base class for all x86 "faults" where faults is in the m5 sense 675114Sgblack@eecs.umich.edu class X86FaultBase : public FaultBase 684135Sgblack@eecs.umich.edu { 694365Sgblack@eecs.umich.edu protected: 705114Sgblack@eecs.umich.edu const char * faultName; 715114Sgblack@eecs.umich.edu const char * mnem; 725851Sgblack@eecs.umich.edu uint8_t vector; 735139Sgblack@eecs.umich.edu uint64_t errorCode; 745114Sgblack@eecs.umich.edu 755139Sgblack@eecs.umich.edu X86FaultBase(const char * _faultName, const char * _mnem, 765851Sgblack@eecs.umich.edu const uint8_t _vector, uint64_t _errorCode = 0) : 775851Sgblack@eecs.umich.edu faultName(_faultName), mnem(_mnem), 785851Sgblack@eecs.umich.edu vector(_vector), errorCode(_errorCode) 795114Sgblack@eecs.umich.edu { 805114Sgblack@eecs.umich.edu } 815114Sgblack@eecs.umich.edu 824729Sgblack@eecs.umich.edu const char * name() const 834365Sgblack@eecs.umich.edu { 845114Sgblack@eecs.umich.edu return faultName; 854365Sgblack@eecs.umich.edu } 864365Sgblack@eecs.umich.edu 875114Sgblack@eecs.umich.edu virtual bool isBenign() 885114Sgblack@eecs.umich.edu { 895114Sgblack@eecs.umich.edu return true; 905114Sgblack@eecs.umich.edu } 915114Sgblack@eecs.umich.edu 925114Sgblack@eecs.umich.edu virtual const char * mnemonic() const 935114Sgblack@eecs.umich.edu { 945114Sgblack@eecs.umich.edu return mnem; 955114Sgblack@eecs.umich.edu } 965684Sgblack@eecs.umich.edu 975684Sgblack@eecs.umich.edu void 985684Sgblack@eecs.umich.edu invoke(ThreadContext * tc) 995684Sgblack@eecs.umich.edu { 1005684Sgblack@eecs.umich.edu panic("Unimplemented fault %s.\n", name()); 1015684Sgblack@eecs.umich.edu } 1025114Sgblack@eecs.umich.edu }; 1035114Sgblack@eecs.umich.edu 1045114Sgblack@eecs.umich.edu // Base class for x86 faults which behave as if the underlying instruction 1055114Sgblack@eecs.umich.edu // didn't happen. 1065114Sgblack@eecs.umich.edu class X86Fault : public X86FaultBase 1075114Sgblack@eecs.umich.edu { 1085114Sgblack@eecs.umich.edu protected: 1095139Sgblack@eecs.umich.edu X86Fault(const char * name, const char * mnem, 1105851Sgblack@eecs.umich.edu const uint8_t vector, uint64_t _errorCode = 0) : 1115851Sgblack@eecs.umich.edu X86FaultBase(name, mnem, vector, _errorCode) 1125114Sgblack@eecs.umich.edu {} 1135114Sgblack@eecs.umich.edu }; 1145114Sgblack@eecs.umich.edu 1155114Sgblack@eecs.umich.edu // Base class for x86 traps which behave as if the underlying instruction 1165114Sgblack@eecs.umich.edu // completed. 1175114Sgblack@eecs.umich.edu class X86Trap : public X86FaultBase 1185114Sgblack@eecs.umich.edu { 1195114Sgblack@eecs.umich.edu protected: 1205139Sgblack@eecs.umich.edu X86Trap(const char * name, const char * mnem, 1215851Sgblack@eecs.umich.edu const uint8_t vector, uint64_t _errorCode = 0) : 1225851Sgblack@eecs.umich.edu X86FaultBase(name, mnem, vector, _errorCode) 1235114Sgblack@eecs.umich.edu {} 1245114Sgblack@eecs.umich.edu 1255114Sgblack@eecs.umich.edu#if FULL_SYSTEM 1265124Sgblack@eecs.umich.edu void invoke(ThreadContext * tc); 1275114Sgblack@eecs.umich.edu#endif 1285114Sgblack@eecs.umich.edu }; 1295114Sgblack@eecs.umich.edu 1305114Sgblack@eecs.umich.edu // Base class for x86 aborts which seem to be catastrophic failures. 1315114Sgblack@eecs.umich.edu class X86Abort : public X86FaultBase 1325114Sgblack@eecs.umich.edu { 1335114Sgblack@eecs.umich.edu protected: 1345139Sgblack@eecs.umich.edu X86Abort(const char * name, const char * mnem, 1355851Sgblack@eecs.umich.edu const uint8_t vector, uint64_t _errorCode = 0) : 1365851Sgblack@eecs.umich.edu X86FaultBase(name, mnem, vector, _errorCode) 1375114Sgblack@eecs.umich.edu {} 1385114Sgblack@eecs.umich.edu 1395114Sgblack@eecs.umich.edu#if FULL_SYSTEM 1405124Sgblack@eecs.umich.edu void invoke(ThreadContext * tc); 1415114Sgblack@eecs.umich.edu#endif 1425114Sgblack@eecs.umich.edu }; 1435114Sgblack@eecs.umich.edu 1445114Sgblack@eecs.umich.edu // Base class for x86 interrupts. 1455114Sgblack@eecs.umich.edu class X86Interrupt : public X86FaultBase 1465114Sgblack@eecs.umich.edu { 1475114Sgblack@eecs.umich.edu protected: 1485851Sgblack@eecs.umich.edu X86Interrupt(const char * name, const char * mnem, 1495851Sgblack@eecs.umich.edu const uint8_t _vector, uint64_t _errorCode = 0) : 1505851Sgblack@eecs.umich.edu X86FaultBase(name, mnem, _vector, _errorCode) 1515114Sgblack@eecs.umich.edu {} 1525114Sgblack@eecs.umich.edu 1535114Sgblack@eecs.umich.edu#if FULL_SYSTEM 1545124Sgblack@eecs.umich.edu void invoke(ThreadContext * tc); 1555114Sgblack@eecs.umich.edu#endif 1564135Sgblack@eecs.umich.edu }; 1574150Sgblack@eecs.umich.edu 1584365Sgblack@eecs.umich.edu class UnimpInstFault : public FaultBase 1594365Sgblack@eecs.umich.edu { 1604365Sgblack@eecs.umich.edu public: 1614729Sgblack@eecs.umich.edu const char * name() const 1624365Sgblack@eecs.umich.edu { 1634365Sgblack@eecs.umich.edu return "unimplemented_micro"; 1644365Sgblack@eecs.umich.edu } 1654365Sgblack@eecs.umich.edu 1664365Sgblack@eecs.umich.edu void invoke(ThreadContext * tc) 1674365Sgblack@eecs.umich.edu { 1684365Sgblack@eecs.umich.edu panic("Unimplemented instruction!"); 1694365Sgblack@eecs.umich.edu } 1704365Sgblack@eecs.umich.edu }; 1714365Sgblack@eecs.umich.edu 1724150Sgblack@eecs.umich.edu static inline Fault genMachineCheckFault() 1734150Sgblack@eecs.umich.edu { 1744150Sgblack@eecs.umich.edu panic("Machine check fault not implemented in x86!\n"); 1754150Sgblack@eecs.umich.edu } 1765114Sgblack@eecs.umich.edu 1775114Sgblack@eecs.umich.edu // Below is a summary of the interrupt/exception information in the 1785114Sgblack@eecs.umich.edu // architecture manuals. 1795114Sgblack@eecs.umich.edu 1805114Sgblack@eecs.umich.edu // Class | Type | vector | Cause | mnem 1815114Sgblack@eecs.umich.edu //------------------------------------------------------------------------ 1825114Sgblack@eecs.umich.edu //Contrib Fault 0 Divide-by-Zero-Error #DE 1835114Sgblack@eecs.umich.edu //Benign Either 1 Debug #DB 1845114Sgblack@eecs.umich.edu //Benign Interrupt 2 Non-Maskable-Interrupt #NMI 1855114Sgblack@eecs.umich.edu //Benign Trap 3 Breakpoint #BP 1865114Sgblack@eecs.umich.edu //Benign Trap 4 Overflow #OF 1875114Sgblack@eecs.umich.edu //Benign Fault 5 Bound-Range #BR 1885114Sgblack@eecs.umich.edu //Benign Fault 6 Invalid-Opcode #UD 1895114Sgblack@eecs.umich.edu //Benign Fault 7 Device-Not-Available #NM 1905114Sgblack@eecs.umich.edu //Benign Abort 8 Double-Fault #DF 1915114Sgblack@eecs.umich.edu // 9 Coprocessor-Segment-Overrun 1925114Sgblack@eecs.umich.edu //Contrib Fault 10 Invalid-TSS #TS 1935114Sgblack@eecs.umich.edu //Contrib Fault 11 Segment-Not-Present #NP 1945114Sgblack@eecs.umich.edu //Contrib Fault 12 Stack #SS 1955114Sgblack@eecs.umich.edu //Contrib Fault 13 General-Protection #GP 1965114Sgblack@eecs.umich.edu //Either Fault 14 Page-Fault #PF 1975114Sgblack@eecs.umich.edu // 15 Reserved 1985114Sgblack@eecs.umich.edu //Benign Fault 16 x87 Floating-Point Exception Pending #MF 1995114Sgblack@eecs.umich.edu //Benign Fault 17 Alignment-Check #AC 2005114Sgblack@eecs.umich.edu //Benign Abort 18 Machine-Check #MC 2015114Sgblack@eecs.umich.edu //Benign Fault 19 SIMD Floating-Point #XF 2025114Sgblack@eecs.umich.edu // 20-29 Reserved 2035114Sgblack@eecs.umich.edu //Contrib ? 30 Security Exception #SX 2045114Sgblack@eecs.umich.edu // 31 Reserved 2055114Sgblack@eecs.umich.edu //Benign Interrupt 0-255 External Interrupts #INTR 2065114Sgblack@eecs.umich.edu //Benign Interrupt 0-255 Software Interrupts INTn 2075114Sgblack@eecs.umich.edu 2085114Sgblack@eecs.umich.edu class DivideByZero : public X86Fault 2095114Sgblack@eecs.umich.edu { 2105114Sgblack@eecs.umich.edu public: 2115114Sgblack@eecs.umich.edu DivideByZero() : 2125851Sgblack@eecs.umich.edu X86Fault("Divide-by-Zero-Error", "#DE", 0) 2135114Sgblack@eecs.umich.edu {} 2145114Sgblack@eecs.umich.edu }; 2155114Sgblack@eecs.umich.edu 2165114Sgblack@eecs.umich.edu class DebugException : public X86FaultBase 2175114Sgblack@eecs.umich.edu { 2185114Sgblack@eecs.umich.edu public: 2195114Sgblack@eecs.umich.edu DebugException() : 2205851Sgblack@eecs.umich.edu X86FaultBase("Debug", "#DB", 1) 2215114Sgblack@eecs.umich.edu {} 2225114Sgblack@eecs.umich.edu }; 2235114Sgblack@eecs.umich.edu 2245114Sgblack@eecs.umich.edu class NonMaskableInterrupt : public X86Interrupt 2255114Sgblack@eecs.umich.edu { 2265114Sgblack@eecs.umich.edu public: 2275655Sgblack@eecs.umich.edu NonMaskableInterrupt(uint8_t _vector) : 2285851Sgblack@eecs.umich.edu X86Interrupt("Non Maskable Interrupt", "#NMI", 2, _vector) 2295114Sgblack@eecs.umich.edu {} 2305114Sgblack@eecs.umich.edu }; 2315114Sgblack@eecs.umich.edu 2325114Sgblack@eecs.umich.edu class Breakpoint : public X86Trap 2335114Sgblack@eecs.umich.edu { 2345114Sgblack@eecs.umich.edu public: 2355114Sgblack@eecs.umich.edu Breakpoint() : 2365851Sgblack@eecs.umich.edu X86Trap("Breakpoint", "#BP", 3) 2375114Sgblack@eecs.umich.edu {} 2385114Sgblack@eecs.umich.edu }; 2395114Sgblack@eecs.umich.edu 2405114Sgblack@eecs.umich.edu class OverflowTrap : public X86Trap 2415114Sgblack@eecs.umich.edu { 2425114Sgblack@eecs.umich.edu public: 2435114Sgblack@eecs.umich.edu OverflowTrap() : 2445851Sgblack@eecs.umich.edu X86Trap("Overflow", "#OF", 4) 2455114Sgblack@eecs.umich.edu {} 2465114Sgblack@eecs.umich.edu }; 2475114Sgblack@eecs.umich.edu 2485114Sgblack@eecs.umich.edu class BoundRange : public X86Fault 2495114Sgblack@eecs.umich.edu { 2505114Sgblack@eecs.umich.edu public: 2515114Sgblack@eecs.umich.edu BoundRange() : 2525851Sgblack@eecs.umich.edu X86Fault("Bound-Range", "#BR", 5) 2535114Sgblack@eecs.umich.edu {} 2545114Sgblack@eecs.umich.edu }; 2555114Sgblack@eecs.umich.edu 2565114Sgblack@eecs.umich.edu class InvalidOpcode : public X86Fault 2575114Sgblack@eecs.umich.edu { 2585114Sgblack@eecs.umich.edu public: 2595114Sgblack@eecs.umich.edu InvalidOpcode() : 2605851Sgblack@eecs.umich.edu X86Fault("Invalid-Opcode", "#UD", 6) 2615114Sgblack@eecs.umich.edu {} 2625114Sgblack@eecs.umich.edu }; 2635114Sgblack@eecs.umich.edu 2645114Sgblack@eecs.umich.edu class DeviceNotAvailable : public X86Fault 2655114Sgblack@eecs.umich.edu { 2665114Sgblack@eecs.umich.edu public: 2675114Sgblack@eecs.umich.edu DeviceNotAvailable() : 2685851Sgblack@eecs.umich.edu X86Fault("Device-Not-Available", "#NM", 7) 2695114Sgblack@eecs.umich.edu {} 2705114Sgblack@eecs.umich.edu }; 2715114Sgblack@eecs.umich.edu 2725114Sgblack@eecs.umich.edu class DoubleFault : public X86Abort 2735114Sgblack@eecs.umich.edu { 2745114Sgblack@eecs.umich.edu public: 2755114Sgblack@eecs.umich.edu DoubleFault() : 2765851Sgblack@eecs.umich.edu X86Abort("Double-Fault", "#DF", 8) 2775114Sgblack@eecs.umich.edu {} 2785114Sgblack@eecs.umich.edu }; 2795114Sgblack@eecs.umich.edu 2805114Sgblack@eecs.umich.edu class InvalidTSS : public X86Fault 2815114Sgblack@eecs.umich.edu { 2825114Sgblack@eecs.umich.edu public: 2835114Sgblack@eecs.umich.edu InvalidTSS() : 2845851Sgblack@eecs.umich.edu X86Fault("Invalid-TSS", "#TS", 10) 2855114Sgblack@eecs.umich.edu {} 2865114Sgblack@eecs.umich.edu }; 2875114Sgblack@eecs.umich.edu 2885114Sgblack@eecs.umich.edu class SegmentNotPresent : public X86Fault 2895114Sgblack@eecs.umich.edu { 2905114Sgblack@eecs.umich.edu public: 2915114Sgblack@eecs.umich.edu SegmentNotPresent() : 2925851Sgblack@eecs.umich.edu X86Fault("Segment-Not-Present", "#NP", 11) 2935114Sgblack@eecs.umich.edu {} 2945114Sgblack@eecs.umich.edu }; 2955114Sgblack@eecs.umich.edu 2965114Sgblack@eecs.umich.edu class StackFault : public X86Fault 2975114Sgblack@eecs.umich.edu { 2985114Sgblack@eecs.umich.edu public: 2995114Sgblack@eecs.umich.edu StackFault() : 3005851Sgblack@eecs.umich.edu X86Fault("Stack", "#SS", 12) 3015114Sgblack@eecs.umich.edu {} 3025114Sgblack@eecs.umich.edu }; 3035114Sgblack@eecs.umich.edu 3045114Sgblack@eecs.umich.edu class GeneralProtection : public X86Fault 3055114Sgblack@eecs.umich.edu { 3065114Sgblack@eecs.umich.edu public: 3075139Sgblack@eecs.umich.edu GeneralProtection(uint64_t _errorCode) : 3085851Sgblack@eecs.umich.edu X86Fault("General-Protection", "#GP", 13, _errorCode) 3095114Sgblack@eecs.umich.edu {} 3105114Sgblack@eecs.umich.edu }; 3115114Sgblack@eecs.umich.edu 3125114Sgblack@eecs.umich.edu class PageFault : public X86Fault 3135114Sgblack@eecs.umich.edu { 3145114Sgblack@eecs.umich.edu public: 3155114Sgblack@eecs.umich.edu PageFault() : 3165851Sgblack@eecs.umich.edu X86Fault("Page-Fault", "#PF", 14) 3175114Sgblack@eecs.umich.edu {} 3185114Sgblack@eecs.umich.edu }; 3195114Sgblack@eecs.umich.edu 3205114Sgblack@eecs.umich.edu class X87FpExceptionPending : public X86Fault 3215114Sgblack@eecs.umich.edu { 3225114Sgblack@eecs.umich.edu public: 3235114Sgblack@eecs.umich.edu X87FpExceptionPending() : 3245851Sgblack@eecs.umich.edu X86Fault("x87 Floating-Point Exception Pending", "#MF", 16) 3255114Sgblack@eecs.umich.edu {} 3265114Sgblack@eecs.umich.edu }; 3275114Sgblack@eecs.umich.edu 3285652Sgblack@eecs.umich.edu class AlignmentCheck : public X86Fault 3295114Sgblack@eecs.umich.edu { 3305114Sgblack@eecs.umich.edu public: 3315114Sgblack@eecs.umich.edu AlignmentCheck() : 3325851Sgblack@eecs.umich.edu X86Fault("Alignment-Check", "#AC", 17) 3335114Sgblack@eecs.umich.edu {} 3345114Sgblack@eecs.umich.edu }; 3355114Sgblack@eecs.umich.edu 3365652Sgblack@eecs.umich.edu class MachineCheck : public X86Abort 3375114Sgblack@eecs.umich.edu { 3385114Sgblack@eecs.umich.edu public: 3395114Sgblack@eecs.umich.edu MachineCheck() : 3405851Sgblack@eecs.umich.edu X86Abort("Machine-Check", "#MC", 18) 3415114Sgblack@eecs.umich.edu {} 3425114Sgblack@eecs.umich.edu }; 3435114Sgblack@eecs.umich.edu 3445652Sgblack@eecs.umich.edu class SIMDFloatingPointFault : public X86Fault 3455114Sgblack@eecs.umich.edu { 3465114Sgblack@eecs.umich.edu public: 3475114Sgblack@eecs.umich.edu SIMDFloatingPointFault() : 3485851Sgblack@eecs.umich.edu X86Fault("SIMD Floating-Point", "#XF", 19) 3495114Sgblack@eecs.umich.edu {} 3505114Sgblack@eecs.umich.edu }; 3515114Sgblack@eecs.umich.edu 3525652Sgblack@eecs.umich.edu class SecurityException : public X86FaultBase 3535114Sgblack@eecs.umich.edu { 3545114Sgblack@eecs.umich.edu public: 3555114Sgblack@eecs.umich.edu SecurityException() : 3565851Sgblack@eecs.umich.edu X86FaultBase("Security Exception", "#SX", 30) 3575114Sgblack@eecs.umich.edu {} 3585114Sgblack@eecs.umich.edu }; 3595114Sgblack@eecs.umich.edu 3605652Sgblack@eecs.umich.edu class ExternalInterrupt : public X86Interrupt 3615114Sgblack@eecs.umich.edu { 3625114Sgblack@eecs.umich.edu public: 3635654Sgblack@eecs.umich.edu ExternalInterrupt(uint8_t _vector) : 3645681Sgblack@eecs.umich.edu X86Interrupt("External Interrupt", "#INTR", _vector) 3655114Sgblack@eecs.umich.edu {} 3665114Sgblack@eecs.umich.edu }; 3675114Sgblack@eecs.umich.edu 3685655Sgblack@eecs.umich.edu class SystemManagementInterrupt : public X86Interrupt 3695655Sgblack@eecs.umich.edu { 3705655Sgblack@eecs.umich.edu public: 3715655Sgblack@eecs.umich.edu SystemManagementInterrupt() : 3725681Sgblack@eecs.umich.edu X86Interrupt("System Management Interrupt", "#SMI", 0) 3735655Sgblack@eecs.umich.edu {} 3745655Sgblack@eecs.umich.edu }; 3755655Sgblack@eecs.umich.edu 3765655Sgblack@eecs.umich.edu class InitInterrupt : public X86Interrupt 3775655Sgblack@eecs.umich.edu { 3785655Sgblack@eecs.umich.edu uint8_t vector; 3795655Sgblack@eecs.umich.edu public: 3805655Sgblack@eecs.umich.edu InitInterrupt(uint8_t _vector) : 3815681Sgblack@eecs.umich.edu X86Interrupt("INIT Interrupt", "#INIT", _vector) 3825655Sgblack@eecs.umich.edu {} 3835655Sgblack@eecs.umich.edu }; 3845655Sgblack@eecs.umich.edu 3855652Sgblack@eecs.umich.edu class SoftwareInterrupt : public X86Interrupt 3865114Sgblack@eecs.umich.edu { 3875114Sgblack@eecs.umich.edu public: 3885681Sgblack@eecs.umich.edu SoftwareInterrupt(uint8_t _vector) : 3895681Sgblack@eecs.umich.edu X86Interrupt("Software Interrupt", "INTn", _vector) 3905114Sgblack@eecs.umich.edu {} 3915114Sgblack@eecs.umich.edu }; 3925114Sgblack@eecs.umich.edu 3935114Sgblack@eecs.umich.edu // These faults aren't part of the ISA definition. They trigger filling 3945114Sgblack@eecs.umich.edu // the tlb on a miss and are to take the place of a hardware table walker. 3955114Sgblack@eecs.umich.edu class FakeITLBFault : public X86Fault 3965114Sgblack@eecs.umich.edu { 3975124Sgblack@eecs.umich.edu protected: 3985124Sgblack@eecs.umich.edu Addr vaddr; 3995124Sgblack@eecs.umich.edu public: 4005124Sgblack@eecs.umich.edu FakeITLBFault(Addr _vaddr) : 4015851Sgblack@eecs.umich.edu X86Fault("fake instruction tlb fault", "itlb", 0), 4025124Sgblack@eecs.umich.edu vaddr(_vaddr) 4035114Sgblack@eecs.umich.edu {} 4045124Sgblack@eecs.umich.edu 4055124Sgblack@eecs.umich.edu void invoke(ThreadContext * tc); 4065114Sgblack@eecs.umich.edu }; 4075114Sgblack@eecs.umich.edu 4085114Sgblack@eecs.umich.edu class FakeDTLBFault : public X86Fault 4095114Sgblack@eecs.umich.edu { 4105124Sgblack@eecs.umich.edu protected: 4115124Sgblack@eecs.umich.edu Addr vaddr; 4125124Sgblack@eecs.umich.edu public: 4135124Sgblack@eecs.umich.edu FakeDTLBFault(Addr _vaddr) : 4145851Sgblack@eecs.umich.edu X86Fault("fake data tlb fault", "dtlb", 0), 4155124Sgblack@eecs.umich.edu vaddr(_vaddr) 4165114Sgblack@eecs.umich.edu {} 4175124Sgblack@eecs.umich.edu 4185124Sgblack@eecs.umich.edu void invoke(ThreadContext * tc); 4195114Sgblack@eecs.umich.edu }; 4204120Sgblack@eecs.umich.edu}; 4214120Sgblack@eecs.umich.edu 4224120Sgblack@eecs.umich.edu#endif // __ARCH_X86_FAULTS_HH__ 423