faults.hh revision 5857
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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 615857Sgblack@eecs.umich.edu#include "base/bitunion.hh" 624139Sgblack@eecs.umich.edu#include "base/misc.hh" 634135Sgblack@eecs.umich.edu#include "sim/faults.hh" 644120Sgblack@eecs.umich.edu 654120Sgblack@eecs.umich.edunamespace X86ISA 664120Sgblack@eecs.umich.edu{ 675114Sgblack@eecs.umich.edu // Base class for all x86 "faults" where faults is in the m5 sense 685114Sgblack@eecs.umich.edu class X86FaultBase : public FaultBase 694135Sgblack@eecs.umich.edu { 704365Sgblack@eecs.umich.edu protected: 715114Sgblack@eecs.umich.edu const char * faultName; 725114Sgblack@eecs.umich.edu const char * mnem; 735851Sgblack@eecs.umich.edu uint8_t vector; 745139Sgblack@eecs.umich.edu uint64_t errorCode; 755114Sgblack@eecs.umich.edu 765139Sgblack@eecs.umich.edu X86FaultBase(const char * _faultName, const char * _mnem, 775857Sgblack@eecs.umich.edu const uint8_t _vector, uint64_t _errorCode = -1) : 785851Sgblack@eecs.umich.edu faultName(_faultName), mnem(_mnem), 795851Sgblack@eecs.umich.edu vector(_vector), errorCode(_errorCode) 805114Sgblack@eecs.umich.edu { 815114Sgblack@eecs.umich.edu } 825114Sgblack@eecs.umich.edu 834729Sgblack@eecs.umich.edu const char * name() const 844365Sgblack@eecs.umich.edu { 855114Sgblack@eecs.umich.edu return faultName; 864365Sgblack@eecs.umich.edu } 874365Sgblack@eecs.umich.edu 885114Sgblack@eecs.umich.edu virtual bool isBenign() 895114Sgblack@eecs.umich.edu { 905114Sgblack@eecs.umich.edu return true; 915114Sgblack@eecs.umich.edu } 925114Sgblack@eecs.umich.edu 935114Sgblack@eecs.umich.edu virtual const char * mnemonic() const 945114Sgblack@eecs.umich.edu { 955114Sgblack@eecs.umich.edu return mnem; 965114Sgblack@eecs.umich.edu } 975684Sgblack@eecs.umich.edu 985684Sgblack@eecs.umich.edu void 995684Sgblack@eecs.umich.edu invoke(ThreadContext * tc) 1005684Sgblack@eecs.umich.edu { 1015684Sgblack@eecs.umich.edu panic("Unimplemented fault %s.\n", name()); 1025684Sgblack@eecs.umich.edu } 1035114Sgblack@eecs.umich.edu }; 1045114Sgblack@eecs.umich.edu 1055114Sgblack@eecs.umich.edu // Base class for x86 faults which behave as if the underlying instruction 1065114Sgblack@eecs.umich.edu // didn't happen. 1075114Sgblack@eecs.umich.edu class X86Fault : public X86FaultBase 1085114Sgblack@eecs.umich.edu { 1095114Sgblack@eecs.umich.edu protected: 1105139Sgblack@eecs.umich.edu X86Fault(const char * name, const char * mnem, 1115857Sgblack@eecs.umich.edu const uint8_t vector, uint64_t _errorCode = -1) : 1125851Sgblack@eecs.umich.edu X86FaultBase(name, mnem, vector, _errorCode) 1135114Sgblack@eecs.umich.edu {} 1145114Sgblack@eecs.umich.edu }; 1155114Sgblack@eecs.umich.edu 1165114Sgblack@eecs.umich.edu // Base class for x86 traps which behave as if the underlying instruction 1175114Sgblack@eecs.umich.edu // completed. 1185114Sgblack@eecs.umich.edu class X86Trap : public X86FaultBase 1195114Sgblack@eecs.umich.edu { 1205114Sgblack@eecs.umich.edu protected: 1215139Sgblack@eecs.umich.edu X86Trap(const char * name, const char * mnem, 1225857Sgblack@eecs.umich.edu const uint8_t vector, uint64_t _errorCode = -1) : 1235851Sgblack@eecs.umich.edu X86FaultBase(name, mnem, vector, _errorCode) 1245114Sgblack@eecs.umich.edu {} 1255114Sgblack@eecs.umich.edu 1265114Sgblack@eecs.umich.edu#if FULL_SYSTEM 1275124Sgblack@eecs.umich.edu void invoke(ThreadContext * tc); 1285114Sgblack@eecs.umich.edu#endif 1295114Sgblack@eecs.umich.edu }; 1305114Sgblack@eecs.umich.edu 1315114Sgblack@eecs.umich.edu // Base class for x86 aborts which seem to be catastrophic failures. 1325114Sgblack@eecs.umich.edu class X86Abort : public X86FaultBase 1335114Sgblack@eecs.umich.edu { 1345114Sgblack@eecs.umich.edu protected: 1355139Sgblack@eecs.umich.edu X86Abort(const char * name, const char * mnem, 1365857Sgblack@eecs.umich.edu const uint8_t vector, uint64_t _errorCode = -1) : 1375851Sgblack@eecs.umich.edu X86FaultBase(name, mnem, vector, _errorCode) 1385114Sgblack@eecs.umich.edu {} 1395114Sgblack@eecs.umich.edu 1405114Sgblack@eecs.umich.edu#if FULL_SYSTEM 1415124Sgblack@eecs.umich.edu void invoke(ThreadContext * tc); 1425114Sgblack@eecs.umich.edu#endif 1435114Sgblack@eecs.umich.edu }; 1445114Sgblack@eecs.umich.edu 1455114Sgblack@eecs.umich.edu // Base class for x86 interrupts. 1465114Sgblack@eecs.umich.edu class X86Interrupt : public X86FaultBase 1475114Sgblack@eecs.umich.edu { 1485114Sgblack@eecs.umich.edu protected: 1495851Sgblack@eecs.umich.edu X86Interrupt(const char * name, const char * mnem, 1505857Sgblack@eecs.umich.edu const uint8_t _vector, uint64_t _errorCode = -1) : 1515851Sgblack@eecs.umich.edu X86FaultBase(name, mnem, _vector, _errorCode) 1525114Sgblack@eecs.umich.edu {} 1535114Sgblack@eecs.umich.edu 1545114Sgblack@eecs.umich.edu#if FULL_SYSTEM 1555124Sgblack@eecs.umich.edu void invoke(ThreadContext * tc); 1565114Sgblack@eecs.umich.edu#endif 1574135Sgblack@eecs.umich.edu }; 1584150Sgblack@eecs.umich.edu 1594365Sgblack@eecs.umich.edu class UnimpInstFault : public FaultBase 1604365Sgblack@eecs.umich.edu { 1614365Sgblack@eecs.umich.edu public: 1624729Sgblack@eecs.umich.edu const char * name() const 1634365Sgblack@eecs.umich.edu { 1644365Sgblack@eecs.umich.edu return "unimplemented_micro"; 1654365Sgblack@eecs.umich.edu } 1664365Sgblack@eecs.umich.edu 1674365Sgblack@eecs.umich.edu void invoke(ThreadContext * tc) 1684365Sgblack@eecs.umich.edu { 1694365Sgblack@eecs.umich.edu panic("Unimplemented instruction!"); 1704365Sgblack@eecs.umich.edu } 1714365Sgblack@eecs.umich.edu }; 1724365Sgblack@eecs.umich.edu 1734150Sgblack@eecs.umich.edu static inline Fault genMachineCheckFault() 1744150Sgblack@eecs.umich.edu { 1754150Sgblack@eecs.umich.edu panic("Machine check fault not implemented in x86!\n"); 1764150Sgblack@eecs.umich.edu } 1775114Sgblack@eecs.umich.edu 1785114Sgblack@eecs.umich.edu // Below is a summary of the interrupt/exception information in the 1795114Sgblack@eecs.umich.edu // architecture manuals. 1805114Sgblack@eecs.umich.edu 1815114Sgblack@eecs.umich.edu // Class | Type | vector | Cause | mnem 1825114Sgblack@eecs.umich.edu //------------------------------------------------------------------------ 1835114Sgblack@eecs.umich.edu //Contrib Fault 0 Divide-by-Zero-Error #DE 1845114Sgblack@eecs.umich.edu //Benign Either 1 Debug #DB 1855114Sgblack@eecs.umich.edu //Benign Interrupt 2 Non-Maskable-Interrupt #NMI 1865114Sgblack@eecs.umich.edu //Benign Trap 3 Breakpoint #BP 1875114Sgblack@eecs.umich.edu //Benign Trap 4 Overflow #OF 1885114Sgblack@eecs.umich.edu //Benign Fault 5 Bound-Range #BR 1895114Sgblack@eecs.umich.edu //Benign Fault 6 Invalid-Opcode #UD 1905114Sgblack@eecs.umich.edu //Benign Fault 7 Device-Not-Available #NM 1915114Sgblack@eecs.umich.edu //Benign Abort 8 Double-Fault #DF 1925114Sgblack@eecs.umich.edu // 9 Coprocessor-Segment-Overrun 1935114Sgblack@eecs.umich.edu //Contrib Fault 10 Invalid-TSS #TS 1945114Sgblack@eecs.umich.edu //Contrib Fault 11 Segment-Not-Present #NP 1955114Sgblack@eecs.umich.edu //Contrib Fault 12 Stack #SS 1965114Sgblack@eecs.umich.edu //Contrib Fault 13 General-Protection #GP 1975114Sgblack@eecs.umich.edu //Either Fault 14 Page-Fault #PF 1985114Sgblack@eecs.umich.edu // 15 Reserved 1995114Sgblack@eecs.umich.edu //Benign Fault 16 x87 Floating-Point Exception Pending #MF 2005114Sgblack@eecs.umich.edu //Benign Fault 17 Alignment-Check #AC 2015114Sgblack@eecs.umich.edu //Benign Abort 18 Machine-Check #MC 2025114Sgblack@eecs.umich.edu //Benign Fault 19 SIMD Floating-Point #XF 2035114Sgblack@eecs.umich.edu // 20-29 Reserved 2045114Sgblack@eecs.umich.edu //Contrib ? 30 Security Exception #SX 2055114Sgblack@eecs.umich.edu // 31 Reserved 2065114Sgblack@eecs.umich.edu //Benign Interrupt 0-255 External Interrupts #INTR 2075114Sgblack@eecs.umich.edu //Benign Interrupt 0-255 Software Interrupts INTn 2085114Sgblack@eecs.umich.edu 2095114Sgblack@eecs.umich.edu class DivideByZero : public X86Fault 2105114Sgblack@eecs.umich.edu { 2115114Sgblack@eecs.umich.edu public: 2125114Sgblack@eecs.umich.edu DivideByZero() : 2135851Sgblack@eecs.umich.edu X86Fault("Divide-by-Zero-Error", "#DE", 0) 2145114Sgblack@eecs.umich.edu {} 2155114Sgblack@eecs.umich.edu }; 2165114Sgblack@eecs.umich.edu 2175114Sgblack@eecs.umich.edu class DebugException : public X86FaultBase 2185114Sgblack@eecs.umich.edu { 2195114Sgblack@eecs.umich.edu public: 2205114Sgblack@eecs.umich.edu DebugException() : 2215851Sgblack@eecs.umich.edu X86FaultBase("Debug", "#DB", 1) 2225114Sgblack@eecs.umich.edu {} 2235114Sgblack@eecs.umich.edu }; 2245114Sgblack@eecs.umich.edu 2255114Sgblack@eecs.umich.edu class NonMaskableInterrupt : public X86Interrupt 2265114Sgblack@eecs.umich.edu { 2275114Sgblack@eecs.umich.edu public: 2285655Sgblack@eecs.umich.edu NonMaskableInterrupt(uint8_t _vector) : 2295851Sgblack@eecs.umich.edu X86Interrupt("Non Maskable Interrupt", "#NMI", 2, _vector) 2305114Sgblack@eecs.umich.edu {} 2315114Sgblack@eecs.umich.edu }; 2325114Sgblack@eecs.umich.edu 2335114Sgblack@eecs.umich.edu class Breakpoint : public X86Trap 2345114Sgblack@eecs.umich.edu { 2355114Sgblack@eecs.umich.edu public: 2365114Sgblack@eecs.umich.edu Breakpoint() : 2375851Sgblack@eecs.umich.edu X86Trap("Breakpoint", "#BP", 3) 2385114Sgblack@eecs.umich.edu {} 2395114Sgblack@eecs.umich.edu }; 2405114Sgblack@eecs.umich.edu 2415114Sgblack@eecs.umich.edu class OverflowTrap : public X86Trap 2425114Sgblack@eecs.umich.edu { 2435114Sgblack@eecs.umich.edu public: 2445114Sgblack@eecs.umich.edu OverflowTrap() : 2455851Sgblack@eecs.umich.edu X86Trap("Overflow", "#OF", 4) 2465114Sgblack@eecs.umich.edu {} 2475114Sgblack@eecs.umich.edu }; 2485114Sgblack@eecs.umich.edu 2495114Sgblack@eecs.umich.edu class BoundRange : public X86Fault 2505114Sgblack@eecs.umich.edu { 2515114Sgblack@eecs.umich.edu public: 2525114Sgblack@eecs.umich.edu BoundRange() : 2535851Sgblack@eecs.umich.edu X86Fault("Bound-Range", "#BR", 5) 2545114Sgblack@eecs.umich.edu {} 2555114Sgblack@eecs.umich.edu }; 2565114Sgblack@eecs.umich.edu 2575114Sgblack@eecs.umich.edu class InvalidOpcode : public X86Fault 2585114Sgblack@eecs.umich.edu { 2595114Sgblack@eecs.umich.edu public: 2605114Sgblack@eecs.umich.edu InvalidOpcode() : 2615851Sgblack@eecs.umich.edu X86Fault("Invalid-Opcode", "#UD", 6) 2625114Sgblack@eecs.umich.edu {} 2635114Sgblack@eecs.umich.edu }; 2645114Sgblack@eecs.umich.edu 2655114Sgblack@eecs.umich.edu class DeviceNotAvailable : public X86Fault 2665114Sgblack@eecs.umich.edu { 2675114Sgblack@eecs.umich.edu public: 2685114Sgblack@eecs.umich.edu DeviceNotAvailable() : 2695851Sgblack@eecs.umich.edu X86Fault("Device-Not-Available", "#NM", 7) 2705114Sgblack@eecs.umich.edu {} 2715114Sgblack@eecs.umich.edu }; 2725114Sgblack@eecs.umich.edu 2735114Sgblack@eecs.umich.edu class DoubleFault : public X86Abort 2745114Sgblack@eecs.umich.edu { 2755114Sgblack@eecs.umich.edu public: 2765114Sgblack@eecs.umich.edu DoubleFault() : 2775857Sgblack@eecs.umich.edu X86Abort("Double-Fault", "#DF", 8, 0) 2785114Sgblack@eecs.umich.edu {} 2795114Sgblack@eecs.umich.edu }; 2805114Sgblack@eecs.umich.edu 2815114Sgblack@eecs.umich.edu class InvalidTSS : public X86Fault 2825114Sgblack@eecs.umich.edu { 2835114Sgblack@eecs.umich.edu public: 2845857Sgblack@eecs.umich.edu InvalidTSS(uint32_t _errorCode) : 2855857Sgblack@eecs.umich.edu X86Fault("Invalid-TSS", "#TS", 10, _errorCode) 2865114Sgblack@eecs.umich.edu {} 2875114Sgblack@eecs.umich.edu }; 2885114Sgblack@eecs.umich.edu 2895114Sgblack@eecs.umich.edu class SegmentNotPresent : public X86Fault 2905114Sgblack@eecs.umich.edu { 2915114Sgblack@eecs.umich.edu public: 2925857Sgblack@eecs.umich.edu SegmentNotPresent(uint32_t _errorCode) : 2935857Sgblack@eecs.umich.edu X86Fault("Segment-Not-Present", "#NP", 11, _errorCode) 2945114Sgblack@eecs.umich.edu {} 2955114Sgblack@eecs.umich.edu }; 2965114Sgblack@eecs.umich.edu 2975114Sgblack@eecs.umich.edu class StackFault : public X86Fault 2985114Sgblack@eecs.umich.edu { 2995114Sgblack@eecs.umich.edu public: 3005857Sgblack@eecs.umich.edu StackFault(uint32_t _errorCode) : 3015857Sgblack@eecs.umich.edu X86Fault("Stack", "#SS", 12, _errorCode) 3025114Sgblack@eecs.umich.edu {} 3035114Sgblack@eecs.umich.edu }; 3045114Sgblack@eecs.umich.edu 3055114Sgblack@eecs.umich.edu class GeneralProtection : public X86Fault 3065114Sgblack@eecs.umich.edu { 3075114Sgblack@eecs.umich.edu public: 3085857Sgblack@eecs.umich.edu GeneralProtection(uint32_t _errorCode) : 3095851Sgblack@eecs.umich.edu X86Fault("General-Protection", "#GP", 13, _errorCode) 3105114Sgblack@eecs.umich.edu {} 3115114Sgblack@eecs.umich.edu }; 3125114Sgblack@eecs.umich.edu 3135114Sgblack@eecs.umich.edu class PageFault : public X86Fault 3145114Sgblack@eecs.umich.edu { 3155857Sgblack@eecs.umich.edu protected: 3165857Sgblack@eecs.umich.edu BitUnion32(PageFaultErrorCode) 3175857Sgblack@eecs.umich.edu Bitfield<0> present; 3185857Sgblack@eecs.umich.edu Bitfield<1> write; 3195857Sgblack@eecs.umich.edu Bitfield<2> user; 3205857Sgblack@eecs.umich.edu Bitfield<3> reserved; 3215857Sgblack@eecs.umich.edu Bitfield<4> fetch; 3225857Sgblack@eecs.umich.edu EndBitUnion(PageFaultErrorCode) 3235857Sgblack@eecs.umich.edu 3245114Sgblack@eecs.umich.edu public: 3255857Sgblack@eecs.umich.edu PageFault(uint32_t _errorCode) : 3265857Sgblack@eecs.umich.edu X86Fault("Page-Fault", "#PF", 14, _errorCode) 3275114Sgblack@eecs.umich.edu {} 3285857Sgblack@eecs.umich.edu PageFault(bool present, bool write, bool user, 3295857Sgblack@eecs.umich.edu bool reserved, bool fetch) : 3305857Sgblack@eecs.umich.edu X86Fault("Page-Fault", "#PF", 14, 0) 3315857Sgblack@eecs.umich.edu { 3325857Sgblack@eecs.umich.edu PageFaultErrorCode code = 0; 3335857Sgblack@eecs.umich.edu code.present = present; 3345857Sgblack@eecs.umich.edu code.write = write; 3355857Sgblack@eecs.umich.edu code.user = user; 3365857Sgblack@eecs.umich.edu code.reserved = reserved; 3375857Sgblack@eecs.umich.edu code.fetch = fetch; 3385857Sgblack@eecs.umich.edu errorCode = code; 3395857Sgblack@eecs.umich.edu } 3405114Sgblack@eecs.umich.edu }; 3415114Sgblack@eecs.umich.edu 3425114Sgblack@eecs.umich.edu class X87FpExceptionPending : public X86Fault 3435114Sgblack@eecs.umich.edu { 3445114Sgblack@eecs.umich.edu public: 3455114Sgblack@eecs.umich.edu X87FpExceptionPending() : 3465851Sgblack@eecs.umich.edu X86Fault("x87 Floating-Point Exception Pending", "#MF", 16) 3475114Sgblack@eecs.umich.edu {} 3485114Sgblack@eecs.umich.edu }; 3495114Sgblack@eecs.umich.edu 3505652Sgblack@eecs.umich.edu class AlignmentCheck : public X86Fault 3515114Sgblack@eecs.umich.edu { 3525114Sgblack@eecs.umich.edu public: 3535114Sgblack@eecs.umich.edu AlignmentCheck() : 3545857Sgblack@eecs.umich.edu X86Fault("Alignment-Check", "#AC", 17, 0) 3555114Sgblack@eecs.umich.edu {} 3565114Sgblack@eecs.umich.edu }; 3575114Sgblack@eecs.umich.edu 3585652Sgblack@eecs.umich.edu class MachineCheck : public X86Abort 3595114Sgblack@eecs.umich.edu { 3605114Sgblack@eecs.umich.edu public: 3615114Sgblack@eecs.umich.edu MachineCheck() : 3625851Sgblack@eecs.umich.edu X86Abort("Machine-Check", "#MC", 18) 3635114Sgblack@eecs.umich.edu {} 3645114Sgblack@eecs.umich.edu }; 3655114Sgblack@eecs.umich.edu 3665652Sgblack@eecs.umich.edu class SIMDFloatingPointFault : public X86Fault 3675114Sgblack@eecs.umich.edu { 3685114Sgblack@eecs.umich.edu public: 3695114Sgblack@eecs.umich.edu SIMDFloatingPointFault() : 3705851Sgblack@eecs.umich.edu X86Fault("SIMD Floating-Point", "#XF", 19) 3715114Sgblack@eecs.umich.edu {} 3725114Sgblack@eecs.umich.edu }; 3735114Sgblack@eecs.umich.edu 3745652Sgblack@eecs.umich.edu class SecurityException : public X86FaultBase 3755114Sgblack@eecs.umich.edu { 3765114Sgblack@eecs.umich.edu public: 3775114Sgblack@eecs.umich.edu SecurityException() : 3785851Sgblack@eecs.umich.edu X86FaultBase("Security Exception", "#SX", 30) 3795114Sgblack@eecs.umich.edu {} 3805114Sgblack@eecs.umich.edu }; 3815114Sgblack@eecs.umich.edu 3825652Sgblack@eecs.umich.edu class ExternalInterrupt : public X86Interrupt 3835114Sgblack@eecs.umich.edu { 3845114Sgblack@eecs.umich.edu public: 3855654Sgblack@eecs.umich.edu ExternalInterrupt(uint8_t _vector) : 3865681Sgblack@eecs.umich.edu X86Interrupt("External Interrupt", "#INTR", _vector) 3875114Sgblack@eecs.umich.edu {} 3885114Sgblack@eecs.umich.edu }; 3895114Sgblack@eecs.umich.edu 3905655Sgblack@eecs.umich.edu class SystemManagementInterrupt : public X86Interrupt 3915655Sgblack@eecs.umich.edu { 3925655Sgblack@eecs.umich.edu public: 3935655Sgblack@eecs.umich.edu SystemManagementInterrupt() : 3945681Sgblack@eecs.umich.edu X86Interrupt("System Management Interrupt", "#SMI", 0) 3955655Sgblack@eecs.umich.edu {} 3965655Sgblack@eecs.umich.edu }; 3975655Sgblack@eecs.umich.edu 3985655Sgblack@eecs.umich.edu class InitInterrupt : public X86Interrupt 3995655Sgblack@eecs.umich.edu { 4005655Sgblack@eecs.umich.edu uint8_t vector; 4015655Sgblack@eecs.umich.edu public: 4025655Sgblack@eecs.umich.edu InitInterrupt(uint8_t _vector) : 4035681Sgblack@eecs.umich.edu X86Interrupt("INIT Interrupt", "#INIT", _vector) 4045655Sgblack@eecs.umich.edu {} 4055655Sgblack@eecs.umich.edu }; 4065655Sgblack@eecs.umich.edu 4075652Sgblack@eecs.umich.edu class SoftwareInterrupt : public X86Interrupt 4085114Sgblack@eecs.umich.edu { 4095114Sgblack@eecs.umich.edu public: 4105681Sgblack@eecs.umich.edu SoftwareInterrupt(uint8_t _vector) : 4115681Sgblack@eecs.umich.edu X86Interrupt("Software Interrupt", "INTn", _vector) 4125114Sgblack@eecs.umich.edu {} 4135114Sgblack@eecs.umich.edu }; 4145114Sgblack@eecs.umich.edu 4155114Sgblack@eecs.umich.edu // These faults aren't part of the ISA definition. They trigger filling 4165114Sgblack@eecs.umich.edu // the tlb on a miss and are to take the place of a hardware table walker. 4175114Sgblack@eecs.umich.edu class FakeITLBFault : public X86Fault 4185114Sgblack@eecs.umich.edu { 4195124Sgblack@eecs.umich.edu protected: 4205124Sgblack@eecs.umich.edu Addr vaddr; 4215124Sgblack@eecs.umich.edu public: 4225124Sgblack@eecs.umich.edu FakeITLBFault(Addr _vaddr) : 4235851Sgblack@eecs.umich.edu X86Fault("fake instruction tlb fault", "itlb", 0), 4245124Sgblack@eecs.umich.edu vaddr(_vaddr) 4255114Sgblack@eecs.umich.edu {} 4265124Sgblack@eecs.umich.edu 4275124Sgblack@eecs.umich.edu void invoke(ThreadContext * tc); 4285114Sgblack@eecs.umich.edu }; 4295114Sgblack@eecs.umich.edu 4305114Sgblack@eecs.umich.edu class FakeDTLBFault : public X86Fault 4315114Sgblack@eecs.umich.edu { 4325124Sgblack@eecs.umich.edu protected: 4335124Sgblack@eecs.umich.edu Addr vaddr; 4345124Sgblack@eecs.umich.edu public: 4355124Sgblack@eecs.umich.edu FakeDTLBFault(Addr _vaddr) : 4365851Sgblack@eecs.umich.edu X86Fault("fake data tlb fault", "dtlb", 0), 4375124Sgblack@eecs.umich.edu vaddr(_vaddr) 4385114Sgblack@eecs.umich.edu {} 4395124Sgblack@eecs.umich.edu 4405124Sgblack@eecs.umich.edu void invoke(ThreadContext * tc); 4415114Sgblack@eecs.umich.edu }; 4424120Sgblack@eecs.umich.edu}; 4434120Sgblack@eecs.umich.edu 4444120Sgblack@eecs.umich.edu#endif // __ARCH_X86_FAULTS_HH__ 445