faults.hh revision 12509:aa16dce23e98
1/*
2 * Copyright (c) 2010, 2012-2013, 2016-2018 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder.  You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
13 *
14 * Copyright (c) 2003-2005 The Regents of The University of Michigan
15 * Copyright (c) 2007-2008 The Florida State University
16 * All rights reserved.
17 *
18 * Redistribution and use in source and binary forms, with or without
19 * modification, are permitted provided that the following conditions are
20 * met: redistributions of source code must retain the above copyright
21 * notice, this list of conditions and the following disclaimer;
22 * redistributions in binary form must reproduce the above copyright
23 * notice, this list of conditions and the following disclaimer in the
24 * documentation and/or other materials provided with the distribution;
25 * neither the name of the copyright holders nor the names of its
26 * contributors may be used to endorse or promote products derived from
27 * this software without specific prior written permission.
28 *
29 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
30 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
31 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
32 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
33 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
34 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
35 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
36 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
37 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
38 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
39 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
40 *
41 * Authors: Ali Saidi
42 *          Gabe Black
43 *          Giacomo Gabrielli
44 *          Thomas Grocutt
45 */
46
47#ifndef __ARM_FAULTS_HH__
48#define __ARM_FAULTS_HH__
49
50#include "arch/arm/miscregs.hh"
51#include "arch/arm/pagetable.hh"
52#include "arch/arm/types.hh"
53#include "base/logging.hh"
54#include "sim/faults.hh"
55#include "sim/full_system.hh"
56
57// The design of the "name" and "vect" functions is in sim/faults.hh
58
59namespace ArmISA
60{
61typedef Addr FaultOffset;
62
63class ArmFault : public FaultBase
64{
65  protected:
66    ExtMachInst machInst;
67    uint32_t issRaw;
68
69    // Helper variables for ARMv8 exception handling
70    bool from64;  // True if the exception is generated from the AArch64 state
71    bool to64;  // True if the exception is taken in AArch64 state
72    ExceptionLevel fromEL;  // Source exception level
73    ExceptionLevel toEL;  // Target exception level
74    OperatingMode fromMode;  // Source operating mode
75
76    bool hypRouted; // True if the fault has been routed to Hypervisor
77
78    Addr getVector(ThreadContext *tc);
79    Addr getVector64(ThreadContext *tc);
80
81  public:
82    /// Generic fault source enums used to index into
83    /// {short/long/aarch64}DescFaultSources[] to get the actual encodings based
84    /// on the current register width state and the translation table format in
85    /// use
86    enum FaultSource
87    {
88        AlignmentFault = 0,
89        InstructionCacheMaintenance,  // Short-desc. format only
90        SynchExtAbtOnTranslTableWalkLL,
91        SynchPtyErrOnTranslTableWalkLL = SynchExtAbtOnTranslTableWalkLL + 4,
92        TranslationLL = SynchPtyErrOnTranslTableWalkLL + 4,
93        AccessFlagLL = TranslationLL + 4,
94        DomainLL = AccessFlagLL + 4,
95        PermissionLL = DomainLL + 4,
96        DebugEvent = PermissionLL + 4,
97        SynchronousExternalAbort,
98        TLBConflictAbort,  // Requires LPAE
99        SynchPtyErrOnMemoryAccess,
100        AsynchronousExternalAbort,
101        AsynchPtyErrOnMemoryAccess,
102        AddressSizeLL,  // AArch64 only
103
104        // Not real faults. These are faults to allow the translation function
105        // to inform the memory access function not to proceed for a prefetch
106        // that misses in the TLB or that targets an uncacheable address
107        PrefetchTLBMiss = AddressSizeLL + 4,
108        PrefetchUncacheable,
109
110        NumFaultSources,
111        FaultSourceInvalid = 0xff
112    };
113
114    /// Encodings of the fault sources when the short-desc. translation table
115    /// format is in use (ARM ARM Issue C B3.13.3)
116    static uint8_t shortDescFaultSources[NumFaultSources];
117    /// Encodings of the fault sources when the long-desc. translation table
118    /// format is in use (ARM ARM Issue C B3.13.3)
119    static uint8_t longDescFaultSources[NumFaultSources];
120    /// Encodings of the fault sources in AArch64 state
121    static uint8_t aarch64FaultSources[NumFaultSources];
122
123    enum AnnotationIDs
124    {
125        S1PTW, // DataAbort, PrefetchAbort: Stage 1 Page Table Walk,
126        OVA,   // DataAbort, PrefetchAbort: stage 1 Virtual Address for stage 2 faults
127        SAS,   // DataAbort: Syndrome Access Size
128        SSE,   // DataAbort: Syndrome Sign Extend
129        SRT,   // DataAbort: Syndrome Register Transfer
130
131        // AArch64 only
132        SF,    // DataAbort: width of the accessed register is SixtyFour
133        AR     // DataAbort: Acquire/Release semantics
134    };
135
136    enum TranMethod
137    {
138        LpaeTran,
139        VmsaTran,
140        UnknownTran
141    };
142
143    struct FaultVals
144    {
145        const FaultName name;
146
147        const FaultOffset offset;
148
149        // Offsets used for exceptions taken in AArch64 state
150        const uint16_t currELTOffset;
151        const uint16_t currELHOffset;
152        const uint16_t lowerEL64Offset;
153        const uint16_t lowerEL32Offset;
154
155        const OperatingMode nextMode;
156
157        const uint8_t armPcOffset;
158        const uint8_t thumbPcOffset;
159        // The following two values are used in place of armPcOffset and
160        // thumbPcOffset when the exception return address is saved into ELR
161        // registers (exceptions taken in HYP mode or in AArch64 state)
162        const uint8_t armPcElrOffset;
163        const uint8_t thumbPcElrOffset;
164
165        const bool hypTrappable;
166        const bool abortDisable;
167        const bool fiqDisable;
168
169        // Exception class used to appropriately set the syndrome register
170        // (exceptions taken in HYP mode or in AArch64 state)
171        const ExceptionClass ec;
172
173        FaultStat count;
174    };
175
176    ArmFault(ExtMachInst _machInst = 0, uint32_t _iss = 0) :
177        machInst(_machInst), issRaw(_iss), from64(false), to64(false),
178        fromEL(EL0), toEL(EL0), fromMode(MODE_UNDEFINED), hypRouted(false) {}
179
180    // Returns the actual syndrome register to use based on the target
181    // exception level
182    MiscRegIndex getSyndromeReg64() const;
183    // Returns the actual fault address register to use based on the target
184    // exception level
185    MiscRegIndex getFaultAddrReg64() const;
186
187    void invoke(ThreadContext *tc, const StaticInstPtr &inst =
188                StaticInst::nullStaticInstPtr) override;
189    void invoke64(ThreadContext *tc, const StaticInstPtr &inst =
190                  StaticInst::nullStaticInstPtr);
191    virtual void annotate(AnnotationIDs id, uint64_t val) {}
192    virtual FaultStat& countStat() = 0;
193    virtual FaultOffset offset(ThreadContext *tc) = 0;
194    virtual FaultOffset offset64() = 0;
195    virtual OperatingMode nextMode() = 0;
196    virtual bool routeToMonitor(ThreadContext *tc) const = 0;
197    virtual bool routeToHyp(ThreadContext *tc) const { return false; }
198    virtual uint8_t armPcOffset(bool isHyp) = 0;
199    virtual uint8_t thumbPcOffset(bool isHyp) = 0;
200    virtual uint8_t armPcElrOffset() = 0;
201    virtual uint8_t thumbPcElrOffset() = 0;
202    virtual bool abortDisable(ThreadContext *tc) = 0;
203    virtual bool fiqDisable(ThreadContext *tc) = 0;
204    virtual ExceptionClass ec(ThreadContext *tc) const = 0;
205    virtual uint32_t iss() const = 0;
206    virtual bool isStage2() const { return false; }
207    virtual FSR getFsr(ThreadContext *tc) { return 0; }
208    virtual void setSyndrome(ThreadContext *tc, MiscRegIndex syndrome_reg);
209};
210
211template<typename T>
212class ArmFaultVals : public ArmFault
213{
214  protected:
215    static FaultVals vals;
216
217  public:
218    ArmFaultVals<T>(ExtMachInst _machInst = 0, uint32_t _iss = 0) :
219        ArmFault(_machInst, _iss) {}
220    FaultName name() const override { return vals.name; }
221    FaultStat & countStat() override { return vals.count; }
222    FaultOffset offset(ThreadContext *tc) override;
223
224    FaultOffset offset64() override {
225        if (toEL == fromEL) {
226            if (opModeIsT(fromMode))
227                return vals.currELTOffset;
228            return vals.currELHOffset;
229        } else {
230            if (from64)
231                return vals.lowerEL64Offset;
232            return vals.lowerEL32Offset;
233        }
234    }
235
236    OperatingMode nextMode() override { return vals.nextMode; }
237    virtual bool routeToMonitor(ThreadContext *tc) const override {
238        return false;
239    }
240    uint8_t armPcOffset(bool isHyp) override {
241        return isHyp ? vals.armPcElrOffset
242                     : vals.armPcOffset;
243    }
244    uint8_t thumbPcOffset(bool isHyp) override {
245        return isHyp ? vals.thumbPcElrOffset
246                     : vals.thumbPcOffset;
247    }
248    uint8_t armPcElrOffset() override { return vals.armPcElrOffset; }
249    uint8_t thumbPcElrOffset() override { return vals.thumbPcElrOffset; }
250    bool abortDisable(ThreadContext* tc) override { return vals.abortDisable; }
251    bool fiqDisable(ThreadContext* tc) override { return vals.fiqDisable; }
252    ExceptionClass ec(ThreadContext *tc) const override { return vals.ec; }
253    uint32_t iss() const override { return issRaw; }
254};
255
256class Reset : public ArmFaultVals<Reset>
257{
258  public:
259    void invoke(ThreadContext *tc, const StaticInstPtr &inst =
260                StaticInst::nullStaticInstPtr) override;
261};
262
263class UndefinedInstruction : public ArmFaultVals<UndefinedInstruction>
264{
265  protected:
266    bool unknown;
267    bool disabled;
268    ExceptionClass overrideEc;
269    const char *mnemonic;
270
271  public:
272    UndefinedInstruction(ExtMachInst _machInst,
273                         bool _unknown,
274                         const char *_mnemonic = NULL,
275                         bool _disabled = false) :
276        ArmFaultVals<UndefinedInstruction>(_machInst),
277        unknown(_unknown), disabled(_disabled),
278        overrideEc(EC_INVALID), mnemonic(_mnemonic)
279    {}
280    UndefinedInstruction(ExtMachInst _machInst, uint32_t _iss,
281            ExceptionClass _overrideEc, const char *_mnemonic = NULL) :
282        ArmFaultVals<UndefinedInstruction>(_machInst, _iss),
283        unknown(false), disabled(true), overrideEc(_overrideEc),
284        mnemonic(_mnemonic)
285    {}
286
287    void invoke(ThreadContext *tc, const StaticInstPtr &inst =
288                StaticInst::nullStaticInstPtr) override;
289    bool routeToHyp(ThreadContext *tc) const override;
290    ExceptionClass ec(ThreadContext *tc) const override;
291    uint32_t iss() const override;
292};
293
294class SupervisorCall : public ArmFaultVals<SupervisorCall>
295{
296  protected:
297    ExceptionClass overrideEc;
298  public:
299    SupervisorCall(ExtMachInst _machInst, uint32_t _iss,
300                   ExceptionClass _overrideEc = EC_INVALID) :
301        ArmFaultVals<SupervisorCall>(_machInst, _iss),
302        overrideEc(_overrideEc)
303    {}
304
305    void invoke(ThreadContext *tc, const StaticInstPtr &inst =
306                StaticInst::nullStaticInstPtr) override;
307    bool routeToHyp(ThreadContext *tc) const override;
308    ExceptionClass ec(ThreadContext *tc) const override;
309    uint32_t iss() const override;
310};
311
312class SecureMonitorCall : public ArmFaultVals<SecureMonitorCall>
313{
314  public:
315    SecureMonitorCall(ExtMachInst _machInst) :
316        ArmFaultVals<SecureMonitorCall>(_machInst)
317    {}
318
319    void invoke(ThreadContext *tc, const StaticInstPtr &inst =
320                StaticInst::nullStaticInstPtr) override;
321    ExceptionClass ec(ThreadContext *tc) const override;
322    uint32_t iss() const override;
323};
324
325class SupervisorTrap : public ArmFaultVals<SupervisorTrap>
326{
327  protected:
328    ExtMachInst machInst;
329    ExceptionClass overrideEc;
330
331  public:
332    SupervisorTrap(ExtMachInst _machInst, uint32_t _iss,
333                   ExceptionClass _overrideEc = EC_INVALID) :
334        ArmFaultVals<SupervisorTrap>(_machInst, _iss),
335        overrideEc(_overrideEc)
336    {}
337
338    bool routeToHyp(ThreadContext *tc) const override;
339    uint32_t iss() const override;
340    ExceptionClass ec(ThreadContext *tc) const override;
341};
342
343class SecureMonitorTrap : public ArmFaultVals<SecureMonitorTrap>
344{
345 protected:
346    ExtMachInst machInst;
347    ExceptionClass overrideEc;
348
349  public:
350    SecureMonitorTrap(ExtMachInst _machInst, uint32_t _iss,
351                      ExceptionClass _overrideEc = EC_INVALID) :
352        ArmFaultVals<SecureMonitorTrap>(_machInst, _iss),
353        overrideEc(_overrideEc)
354    {}
355
356    ExceptionClass ec(ThreadContext *tc) const override;
357};
358
359class HypervisorCall : public ArmFaultVals<HypervisorCall>
360{
361  public:
362    HypervisorCall(ExtMachInst _machInst, uint32_t _imm);
363
364    ExceptionClass ec(ThreadContext *tc) const override;
365};
366
367class HypervisorTrap : public ArmFaultVals<HypervisorTrap>
368{
369  protected:
370    ExtMachInst machInst;
371    ExceptionClass overrideEc;
372
373  public:
374    HypervisorTrap(ExtMachInst _machInst, uint32_t _iss,
375                   ExceptionClass _overrideEc = EC_INVALID) :
376      ArmFaultVals<HypervisorTrap>(_machInst, _iss),
377      overrideEc(_overrideEc)
378    {}
379
380    ExceptionClass ec(ThreadContext *tc) const override;
381};
382
383template <class T>
384class AbortFault : public ArmFaultVals<T>
385{
386  protected:
387    /**
388     * The virtual address the fault occured at. If 2 stages of
389     * translation are being used then this is the intermediate
390     * physical address that is the starting point for the second
391     * stage of translation.
392     */
393    Addr faultAddr;
394    /**
395     * Original virtual address. If the fault was generated on the
396     * second stage of translation then this variable stores the
397     * virtual address used in the original stage 1 translation.
398     */
399    Addr OVAddr;
400    bool write;
401    TlbEntry::DomainType domain;
402    uint8_t source;
403    uint8_t srcEncoded;
404    bool stage2;
405    bool s1ptw;
406    ArmFault::TranMethod tranMethod;
407
408  public:
409    AbortFault(Addr _faultAddr, bool _write, TlbEntry::DomainType _domain,
410               uint8_t _source, bool _stage2,
411               ArmFault::TranMethod _tranMethod = ArmFault::UnknownTran) :
412        faultAddr(_faultAddr), OVAddr(0), write(_write),
413        domain(_domain), source(_source), srcEncoded(0),
414        stage2(_stage2), s1ptw(false), tranMethod(_tranMethod)
415    {}
416
417    void invoke(ThreadContext *tc, const StaticInstPtr &inst =
418                StaticInst::nullStaticInstPtr) override;
419
420    FSR getFsr(ThreadContext *tc) override;
421    bool abortDisable(ThreadContext *tc) override;
422    uint32_t iss() const override;
423    bool isStage2() const override { return stage2; }
424    void annotate(ArmFault::AnnotationIDs id, uint64_t val) override;
425    bool isMMUFault() const;
426};
427
428class PrefetchAbort : public AbortFault<PrefetchAbort>
429{
430  public:
431    static const MiscRegIndex FsrIndex  = MISCREG_IFSR;
432    static const MiscRegIndex FarIndex  = MISCREG_IFAR;
433    static const MiscRegIndex HFarIndex = MISCREG_HIFAR;
434
435    PrefetchAbort(Addr _addr, uint8_t _source, bool _stage2 = false,
436                  ArmFault::TranMethod _tranMethod = ArmFault::UnknownTran) :
437        AbortFault<PrefetchAbort>(_addr, false, TlbEntry::DomainType::NoAccess,
438                _source, _stage2, _tranMethod)
439    {}
440
441    ExceptionClass ec(ThreadContext *tc) const override;
442    // @todo: external aborts should be routed if SCR.EA == 1
443    bool routeToMonitor(ThreadContext *tc) const override;
444    bool routeToHyp(ThreadContext *tc) const override;
445};
446
447class DataAbort : public AbortFault<DataAbort>
448{
449  public:
450    static const MiscRegIndex FsrIndex  = MISCREG_DFSR;
451    static const MiscRegIndex FarIndex  = MISCREG_DFAR;
452    static const MiscRegIndex HFarIndex = MISCREG_HDFAR;
453    bool    isv;
454    uint8_t sas;
455    uint8_t sse;
456    uint8_t srt;
457
458    // AArch64 only
459    bool sf;
460    bool ar;
461
462    DataAbort(Addr _addr, TlbEntry::DomainType _domain, bool _write, uint8_t _source,
463              bool _stage2 = false, ArmFault::TranMethod _tranMethod = ArmFault::UnknownTran) :
464        AbortFault<DataAbort>(_addr, _write, _domain, _source, _stage2,
465                              _tranMethod),
466        isv(false), sas (0), sse(0), srt(0), sf(false), ar(false)
467    {}
468
469    ExceptionClass ec(ThreadContext *tc) const override;
470    // @todo: external aborts should be routed if SCR.EA == 1
471    bool routeToMonitor(ThreadContext *tc) const override;
472    bool routeToHyp(ThreadContext *tc) const override;
473    uint32_t iss() const override;
474    void annotate(AnnotationIDs id, uint64_t val) override;
475};
476
477class VirtualDataAbort : public AbortFault<VirtualDataAbort>
478{
479  public:
480    static const MiscRegIndex FsrIndex  = MISCREG_DFSR;
481    static const MiscRegIndex FarIndex  = MISCREG_DFAR;
482    static const MiscRegIndex HFarIndex = MISCREG_HDFAR;
483
484    VirtualDataAbort(Addr _addr, TlbEntry::DomainType _domain, bool _write,
485                     uint8_t _source) :
486        AbortFault<VirtualDataAbort>(_addr, _write, _domain, _source, false)
487    {}
488
489    void invoke(ThreadContext *tc, const StaticInstPtr &inst) override;
490};
491
492class Interrupt : public ArmFaultVals<Interrupt>
493{
494  public:
495    bool routeToMonitor(ThreadContext *tc) const override;
496    bool routeToHyp(ThreadContext *tc) const override;
497    bool abortDisable(ThreadContext *tc) override;
498};
499
500class VirtualInterrupt : public ArmFaultVals<VirtualInterrupt>
501{
502  public:
503    VirtualInterrupt();
504};
505
506class FastInterrupt : public ArmFaultVals<FastInterrupt>
507{
508  public:
509    bool routeToMonitor(ThreadContext *tc) const override;
510    bool routeToHyp(ThreadContext *tc) const override;
511    bool abortDisable(ThreadContext *tc) override;
512    bool fiqDisable(ThreadContext *tc) override;
513};
514
515class VirtualFastInterrupt : public ArmFaultVals<VirtualFastInterrupt>
516{
517  public:
518    VirtualFastInterrupt();
519};
520
521/// PC alignment fault (AArch64 only)
522class PCAlignmentFault : public ArmFaultVals<PCAlignmentFault>
523{
524  protected:
525    /// The unaligned value of the PC
526    Addr faultPC;
527  public:
528    PCAlignmentFault(Addr _faultPC) : faultPC(_faultPC)
529    {}
530    void invoke(ThreadContext *tc, const StaticInstPtr &inst =
531                StaticInst::nullStaticInstPtr) override;
532};
533
534/// Stack pointer alignment fault (AArch64 only)
535class SPAlignmentFault : public ArmFaultVals<SPAlignmentFault>
536{
537  public:
538    SPAlignmentFault();
539};
540
541/// System error (AArch64 only)
542class SystemError : public ArmFaultVals<SystemError>
543{
544  public:
545    SystemError();
546    void invoke(ThreadContext *tc, const StaticInstPtr &inst =
547                StaticInst::nullStaticInstPtr) override;
548    bool routeToMonitor(ThreadContext *tc) const override;
549    bool routeToHyp(ThreadContext *tc) const override;
550};
551
552/// System error (AArch64 only)
553class SoftwareBreakpoint : public ArmFaultVals<SoftwareBreakpoint>
554{
555  public:
556    SoftwareBreakpoint(ExtMachInst _mach_inst, uint32_t _iss);
557
558    bool routeToHyp(ThreadContext *tc) const override;
559};
560
561// A fault that flushes the pipe, excluding the faulting instructions
562class ArmSev : public ArmFaultVals<ArmSev>
563{
564  public:
565    ArmSev () {}
566    void invoke(ThreadContext *tc, const StaticInstPtr &inst =
567                StaticInst::nullStaticInstPtr) override;
568};
569
570/// Illegal Instruction Set State fault (AArch64 only)
571class IllegalInstSetStateFault : public ArmFaultVals<IllegalInstSetStateFault>
572{
573  public:
574    IllegalInstSetStateFault();
575};
576
577/*
578 * Explicitly declare template static member variables to avoid warnings
579 * in some clang versions
580 */
581template<> ArmFault::FaultVals ArmFaultVals<Reset>::vals;
582template<> ArmFault::FaultVals ArmFaultVals<UndefinedInstruction>::vals;
583template<> ArmFault::FaultVals ArmFaultVals<SupervisorCall>::vals;
584template<> ArmFault::FaultVals ArmFaultVals<SecureMonitorCall>::vals;
585template<> ArmFault::FaultVals ArmFaultVals<HypervisorCall>::vals;
586template<> ArmFault::FaultVals ArmFaultVals<PrefetchAbort>::vals;
587template<> ArmFault::FaultVals ArmFaultVals<DataAbort>::vals;
588template<> ArmFault::FaultVals ArmFaultVals<VirtualDataAbort>::vals;
589template<> ArmFault::FaultVals ArmFaultVals<HypervisorTrap>::vals;
590template<> ArmFault::FaultVals ArmFaultVals<Interrupt>::vals;
591template<> ArmFault::FaultVals ArmFaultVals<VirtualInterrupt>::vals;
592template<> ArmFault::FaultVals ArmFaultVals<FastInterrupt>::vals;
593template<> ArmFault::FaultVals ArmFaultVals<VirtualFastInterrupt>::vals;
594template<> ArmFault::FaultVals ArmFaultVals<SupervisorTrap>::vals;
595template<> ArmFault::FaultVals ArmFaultVals<SecureMonitorTrap>::vals;
596template<> ArmFault::FaultVals ArmFaultVals<PCAlignmentFault>::vals;
597template<> ArmFault::FaultVals ArmFaultVals<SPAlignmentFault>::vals;
598template<> ArmFault::FaultVals ArmFaultVals<SystemError>::vals;
599template<> ArmFault::FaultVals ArmFaultVals<SoftwareBreakpoint>::vals;
600template<> ArmFault::FaultVals ArmFaultVals<ArmSev>::vals;
601
602
603} // namespace ArmISA
604
605#endif // __ARM_FAULTS_HH__
606