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      1 //===-- AArch64BaseInfo.h - Top level definitions for AArch64 ---*- C++ -*-===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is distributed under the University of Illinois Open Source
      6 // License. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 //
     10 // This file contains small standalone helper functions and enum definitions for
     11 // the AArch64 target useful for the compiler back-end and the MC libraries.
     12 // As such, it deliberately does not include references to LLVM core
     13 // code gen types, passes, etc..
     14 //
     15 //===----------------------------------------------------------------------===//
     16 
     17 #ifndef AArch64BASEINFO_H
     18 #define AArch64BASEINFO_H
     19 
     20 // FIXME: Is it easiest to fix this layering violation by moving the .inc
     21 // #includes from AArch64MCTargetDesc.h to here?
     22 #include "MCTargetDesc/AArch64MCTargetDesc.h" // For AArch64::X0 and friends.
     23 #include "llvm/ADT/STLExtras.h"
     24 #include "llvm/ADT/StringSwitch.h"
     25 #include "llvm/Support/ErrorHandling.h"
     26 
     27 namespace llvm {
     28 
     29 inline static unsigned getWRegFromXReg(unsigned Reg) {
     30   switch (Reg) {
     31   case AArch64::X0: return AArch64::W0;
     32   case AArch64::X1: return AArch64::W1;
     33   case AArch64::X2: return AArch64::W2;
     34   case AArch64::X3: return AArch64::W3;
     35   case AArch64::X4: return AArch64::W4;
     36   case AArch64::X5: return AArch64::W5;
     37   case AArch64::X6: return AArch64::W6;
     38   case AArch64::X7: return AArch64::W7;
     39   case AArch64::X8: return AArch64::W8;
     40   case AArch64::X9: return AArch64::W9;
     41   case AArch64::X10: return AArch64::W10;
     42   case AArch64::X11: return AArch64::W11;
     43   case AArch64::X12: return AArch64::W12;
     44   case AArch64::X13: return AArch64::W13;
     45   case AArch64::X14: return AArch64::W14;
     46   case AArch64::X15: return AArch64::W15;
     47   case AArch64::X16: return AArch64::W16;
     48   case AArch64::X17: return AArch64::W17;
     49   case AArch64::X18: return AArch64::W18;
     50   case AArch64::X19: return AArch64::W19;
     51   case AArch64::X20: return AArch64::W20;
     52   case AArch64::X21: return AArch64::W21;
     53   case AArch64::X22: return AArch64::W22;
     54   case AArch64::X23: return AArch64::W23;
     55   case AArch64::X24: return AArch64::W24;
     56   case AArch64::X25: return AArch64::W25;
     57   case AArch64::X26: return AArch64::W26;
     58   case AArch64::X27: return AArch64::W27;
     59   case AArch64::X28: return AArch64::W28;
     60   case AArch64::FP: return AArch64::W29;
     61   case AArch64::LR: return AArch64::W30;
     62   case AArch64::SP: return AArch64::WSP;
     63   case AArch64::XZR: return AArch64::WZR;
     64   }
     65   // For anything else, return it unchanged.
     66   return Reg;
     67 }
     68 
     69 inline static unsigned getXRegFromWReg(unsigned Reg) {
     70   switch (Reg) {
     71   case AArch64::W0: return AArch64::X0;
     72   case AArch64::W1: return AArch64::X1;
     73   case AArch64::W2: return AArch64::X2;
     74   case AArch64::W3: return AArch64::X3;
     75   case AArch64::W4: return AArch64::X4;
     76   case AArch64::W5: return AArch64::X5;
     77   case AArch64::W6: return AArch64::X6;
     78   case AArch64::W7: return AArch64::X7;
     79   case AArch64::W8: return AArch64::X8;
     80   case AArch64::W9: return AArch64::X9;
     81   case AArch64::W10: return AArch64::X10;
     82   case AArch64::W11: return AArch64::X11;
     83   case AArch64::W12: return AArch64::X12;
     84   case AArch64::W13: return AArch64::X13;
     85   case AArch64::W14: return AArch64::X14;
     86   case AArch64::W15: return AArch64::X15;
     87   case AArch64::W16: return AArch64::X16;
     88   case AArch64::W17: return AArch64::X17;
     89   case AArch64::W18: return AArch64::X18;
     90   case AArch64::W19: return AArch64::X19;
     91   case AArch64::W20: return AArch64::X20;
     92   case AArch64::W21: return AArch64::X21;
     93   case AArch64::W22: return AArch64::X22;
     94   case AArch64::W23: return AArch64::X23;
     95   case AArch64::W24: return AArch64::X24;
     96   case AArch64::W25: return AArch64::X25;
     97   case AArch64::W26: return AArch64::X26;
     98   case AArch64::W27: return AArch64::X27;
     99   case AArch64::W28: return AArch64::X28;
    100   case AArch64::W29: return AArch64::FP;
    101   case AArch64::W30: return AArch64::LR;
    102   case AArch64::WSP: return AArch64::SP;
    103   case AArch64::WZR: return AArch64::XZR;
    104   }
    105   // For anything else, return it unchanged.
    106   return Reg;
    107 }
    108 
    109 static inline unsigned getBRegFromDReg(unsigned Reg) {
    110   switch (Reg) {
    111   case AArch64::D0:  return AArch64::B0;
    112   case AArch64::D1:  return AArch64::B1;
    113   case AArch64::D2:  return AArch64::B2;
    114   case AArch64::D3:  return AArch64::B3;
    115   case AArch64::D4:  return AArch64::B4;
    116   case AArch64::D5:  return AArch64::B5;
    117   case AArch64::D6:  return AArch64::B6;
    118   case AArch64::D7:  return AArch64::B7;
    119   case AArch64::D8:  return AArch64::B8;
    120   case AArch64::D9:  return AArch64::B9;
    121   case AArch64::D10: return AArch64::B10;
    122   case AArch64::D11: return AArch64::B11;
    123   case AArch64::D12: return AArch64::B12;
    124   case AArch64::D13: return AArch64::B13;
    125   case AArch64::D14: return AArch64::B14;
    126   case AArch64::D15: return AArch64::B15;
    127   case AArch64::D16: return AArch64::B16;
    128   case AArch64::D17: return AArch64::B17;
    129   case AArch64::D18: return AArch64::B18;
    130   case AArch64::D19: return AArch64::B19;
    131   case AArch64::D20: return AArch64::B20;
    132   case AArch64::D21: return AArch64::B21;
    133   case AArch64::D22: return AArch64::B22;
    134   case AArch64::D23: return AArch64::B23;
    135   case AArch64::D24: return AArch64::B24;
    136   case AArch64::D25: return AArch64::B25;
    137   case AArch64::D26: return AArch64::B26;
    138   case AArch64::D27: return AArch64::B27;
    139   case AArch64::D28: return AArch64::B28;
    140   case AArch64::D29: return AArch64::B29;
    141   case AArch64::D30: return AArch64::B30;
    142   case AArch64::D31: return AArch64::B31;
    143   }
    144   // For anything else, return it unchanged.
    145   return Reg;
    146 }
    147 
    148 
    149 static inline unsigned getDRegFromBReg(unsigned Reg) {
    150   switch (Reg) {
    151   case AArch64::B0:  return AArch64::D0;
    152   case AArch64::B1:  return AArch64::D1;
    153   case AArch64::B2:  return AArch64::D2;
    154   case AArch64::B3:  return AArch64::D3;
    155   case AArch64::B4:  return AArch64::D4;
    156   case AArch64::B5:  return AArch64::D5;
    157   case AArch64::B6:  return AArch64::D6;
    158   case AArch64::B7:  return AArch64::D7;
    159   case AArch64::B8:  return AArch64::D8;
    160   case AArch64::B9:  return AArch64::D9;
    161   case AArch64::B10: return AArch64::D10;
    162   case AArch64::B11: return AArch64::D11;
    163   case AArch64::B12: return AArch64::D12;
    164   case AArch64::B13: return AArch64::D13;
    165   case AArch64::B14: return AArch64::D14;
    166   case AArch64::B15: return AArch64::D15;
    167   case AArch64::B16: return AArch64::D16;
    168   case AArch64::B17: return AArch64::D17;
    169   case AArch64::B18: return AArch64::D18;
    170   case AArch64::B19: return AArch64::D19;
    171   case AArch64::B20: return AArch64::D20;
    172   case AArch64::B21: return AArch64::D21;
    173   case AArch64::B22: return AArch64::D22;
    174   case AArch64::B23: return AArch64::D23;
    175   case AArch64::B24: return AArch64::D24;
    176   case AArch64::B25: return AArch64::D25;
    177   case AArch64::B26: return AArch64::D26;
    178   case AArch64::B27: return AArch64::D27;
    179   case AArch64::B28: return AArch64::D28;
    180   case AArch64::B29: return AArch64::D29;
    181   case AArch64::B30: return AArch64::D30;
    182   case AArch64::B31: return AArch64::D31;
    183   }
    184   // For anything else, return it unchanged.
    185   return Reg;
    186 }
    187 
    188 namespace AArch64CC {
    189 
    190 // The CondCodes constants map directly to the 4-bit encoding of the condition
    191 // field for predicated instructions.
    192 enum CondCode {  // Meaning (integer)          Meaning (floating-point)
    193   EQ = 0x0,      // Equal                      Equal
    194   NE = 0x1,      // Not equal                  Not equal, or unordered
    195   HS = 0x2,      // Unsigned higher or same    >, ==, or unordered
    196   LO = 0x3,      // Unsigned lower             Less than
    197   MI = 0x4,      // Minus, negative            Less than
    198   PL = 0x5,      // Plus, positive or zero     >, ==, or unordered
    199   VS = 0x6,      // Overflow                   Unordered
    200   VC = 0x7,      // No overflow                Not unordered
    201   HI = 0x8,      // Unsigned higher            Greater than, or unordered
    202   LS = 0x9,      // Unsigned lower or same     Less than or equal
    203   GE = 0xa,      // Greater than or equal      Greater than or equal
    204   LT = 0xb,      // Less than                  Less than, or unordered
    205   GT = 0xc,      // Greater than               Greater than
    206   LE = 0xd,      // Less than or equal         <, ==, or unordered
    207   AL = 0xe,      // Always (unconditional)     Always (unconditional)
    208   NV = 0xf,      // Always (unconditional)     Always (unconditional)
    209   // Note the NV exists purely to disassemble 0b1111. Execution is "always".
    210   Invalid
    211 };
    212 
    213 inline static const char *getCondCodeName(CondCode Code) {
    214   switch (Code) {
    215   default: llvm_unreachable("Unknown condition code");
    216   case EQ:  return "eq";
    217   case NE:  return "ne";
    218   case HS:  return "hs";
    219   case LO:  return "lo";
    220   case MI:  return "mi";
    221   case PL:  return "pl";
    222   case VS:  return "vs";
    223   case VC:  return "vc";
    224   case HI:  return "hi";
    225   case LS:  return "ls";
    226   case GE:  return "ge";
    227   case LT:  return "lt";
    228   case GT:  return "gt";
    229   case LE:  return "le";
    230   case AL:  return "al";
    231   case NV:  return "nv";
    232   }
    233 }
    234 
    235 inline static CondCode getInvertedCondCode(CondCode Code) {
    236   // To reverse a condition it's necessary to only invert the low bit:
    237 
    238   return static_cast<CondCode>(static_cast<unsigned>(Code) ^ 0x1);
    239 }
    240 
    241 /// Given a condition code, return NZCV flags that would satisfy that condition.
    242 /// The flag bits are in the format expected by the ccmp instructions.
    243 /// Note that many different flag settings can satisfy a given condition code,
    244 /// this function just returns one of them.
    245 inline static unsigned getNZCVToSatisfyCondCode(CondCode Code) {
    246   // NZCV flags encoded as expected by ccmp instructions, ARMv8 ISA 5.5.7.
    247   enum { N = 8, Z = 4, C = 2, V = 1 };
    248   switch (Code) {
    249   default: llvm_unreachable("Unknown condition code");
    250   case EQ: return Z; // Z == 1
    251   case NE: return 0; // Z == 0
    252   case HS: return C; // C == 1
    253   case LO: return 0; // C == 0
    254   case MI: return N; // N == 1
    255   case PL: return 0; // N == 0
    256   case VS: return V; // V == 1
    257   case VC: return 0; // V == 0
    258   case HI: return C; // C == 1 && Z == 0
    259   case LS: return 0; // C == 0 || Z == 1
    260   case GE: return 0; // N == V
    261   case LT: return N; // N != V
    262   case GT: return 0; // Z == 0 && N == V
    263   case LE: return Z; // Z == 1 || N != V
    264   }
    265 }
    266 } // end namespace AArch64CC
    267 
    268 /// Instances of this class can perform bidirectional mapping from random
    269 /// identifier strings to operand encodings. For example "MSR" takes a named
    270 /// system-register which must be encoded somehow and decoded for printing. This
    271 /// central location means that the information for those transformations is not
    272 /// duplicated and remains in sync.
    273 ///
    274 /// FIXME: currently the algorithm is a completely unoptimised linear
    275 /// search. Obviously this could be improved, but we would probably want to work
    276 /// out just how often these instructions are emitted before working on it. It
    277 /// might even be optimal to just reorder the tables for the common instructions
    278 /// rather than changing the algorithm.
    279 struct AArch64NamedImmMapper {
    280   struct Mapping {
    281     const char *Name;
    282     uint32_t Value;
    283   };
    284 
    285   template<int N>
    286   AArch64NamedImmMapper(const Mapping (&Pairs)[N], uint32_t TooBigImm)
    287     : Pairs(&Pairs[0]), NumPairs(N), TooBigImm(TooBigImm) {}
    288 
    289   StringRef toString(uint32_t Value, bool &Valid) const;
    290   uint32_t fromString(StringRef Name, bool &Valid) const;
    291 
    292   /// Many of the instructions allow an alternative assembly form consisting of
    293   /// a simple immediate. Currently the only valid forms are ranges [0, N) where
    294   /// N being 0 indicates no immediate syntax-form is allowed.
    295   bool validImm(uint32_t Value) const;
    296 protected:
    297   const Mapping *Pairs;
    298   size_t NumPairs;
    299   uint32_t TooBigImm;
    300 };
    301 
    302 namespace AArch64AT {
    303   enum ATValues {
    304     Invalid = -1,    // Op0 Op1  CRn   CRm   Op2
    305     S1E1R = 0x43c0,  // 01  000  0111  1000  000
    306     S1E2R = 0x63c0,  // 01  100  0111  1000  000
    307     S1E3R = 0x73c0,  // 01  110  0111  1000  000
    308     S1E1W = 0x43c1,  // 01  000  0111  1000  001
    309     S1E2W = 0x63c1,  // 01  100  0111  1000  001
    310     S1E3W = 0x73c1,  // 01  110  0111  1000  001
    311     S1E0R = 0x43c2,  // 01  000  0111  1000  010
    312     S1E0W = 0x43c3,  // 01  000  0111  1000  011
    313     S12E1R = 0x63c4, // 01  100  0111  1000  100
    314     S12E1W = 0x63c5, // 01  100  0111  1000  101
    315     S12E0R = 0x63c6, // 01  100  0111  1000  110
    316     S12E0W = 0x63c7  // 01  100  0111  1000  111
    317   };
    318 
    319   struct ATMapper : AArch64NamedImmMapper {
    320     const static Mapping ATPairs[];
    321 
    322     ATMapper();
    323   };
    324 
    325 }
    326 namespace AArch64DB {
    327   enum DBValues {
    328     Invalid = -1,
    329     OSHLD = 0x1,
    330     OSHST = 0x2,
    331     OSH =   0x3,
    332     NSHLD = 0x5,
    333     NSHST = 0x6,
    334     NSH =   0x7,
    335     ISHLD = 0x9,
    336     ISHST = 0xa,
    337     ISH =   0xb,
    338     LD =    0xd,
    339     ST =    0xe,
    340     SY =    0xf
    341   };
    342 
    343   struct DBarrierMapper : AArch64NamedImmMapper {
    344     const static Mapping DBarrierPairs[];
    345 
    346     DBarrierMapper();
    347   };
    348 }
    349 
    350 namespace  AArch64DC {
    351   enum DCValues {
    352     Invalid = -1,   // Op1  CRn   CRm   Op2
    353     ZVA   = 0x5ba1, // 01  011  0111  0100  001
    354     IVAC  = 0x43b1, // 01  000  0111  0110  001
    355     ISW   = 0x43b2, // 01  000  0111  0110  010
    356     CVAC  = 0x5bd1, // 01  011  0111  1010  001
    357     CSW   = 0x43d2, // 01  000  0111  1010  010
    358     CVAU  = 0x5bd9, // 01  011  0111  1011  001
    359     CIVAC = 0x5bf1, // 01  011  0111  1110  001
    360     CISW  = 0x43f2  // 01  000  0111  1110  010
    361   };
    362 
    363   struct DCMapper : AArch64NamedImmMapper {
    364     const static Mapping DCPairs[];
    365 
    366     DCMapper();
    367   };
    368 
    369 }
    370 
    371 namespace  AArch64IC {
    372   enum ICValues {
    373     Invalid = -1,     // Op1  CRn   CRm   Op2
    374     IALLUIS = 0x0388, // 000  0111  0001  000
    375     IALLU = 0x03a8,   // 000  0111  0101  000
    376     IVAU = 0x1ba9     // 011  0111  0101  001
    377   };
    378 
    379 
    380   struct ICMapper : AArch64NamedImmMapper {
    381     const static Mapping ICPairs[];
    382 
    383     ICMapper();
    384   };
    385 
    386   static inline bool NeedsRegister(ICValues Val) {
    387     return Val == IVAU;
    388   }
    389 }
    390 
    391 namespace  AArch64ISB {
    392   enum ISBValues {
    393     Invalid = -1,
    394     SY = 0xf
    395   };
    396   struct ISBMapper : AArch64NamedImmMapper {
    397     const static Mapping ISBPairs[];
    398 
    399     ISBMapper();
    400   };
    401 }
    402 
    403 namespace AArch64PRFM {
    404   enum PRFMValues {
    405     Invalid = -1,
    406     PLDL1KEEP = 0x00,
    407     PLDL1STRM = 0x01,
    408     PLDL2KEEP = 0x02,
    409     PLDL2STRM = 0x03,
    410     PLDL3KEEP = 0x04,
    411     PLDL3STRM = 0x05,
    412     PLIL1KEEP = 0x08,
    413     PLIL1STRM = 0x09,
    414     PLIL2KEEP = 0x0a,
    415     PLIL2STRM = 0x0b,
    416     PLIL3KEEP = 0x0c,
    417     PLIL3STRM = 0x0d,
    418     PSTL1KEEP = 0x10,
    419     PSTL1STRM = 0x11,
    420     PSTL2KEEP = 0x12,
    421     PSTL2STRM = 0x13,
    422     PSTL3KEEP = 0x14,
    423     PSTL3STRM = 0x15
    424   };
    425 
    426   struct PRFMMapper : AArch64NamedImmMapper {
    427     const static Mapping PRFMPairs[];
    428 
    429     PRFMMapper();
    430   };
    431 }
    432 
    433 namespace AArch64PState {
    434   enum PStateValues {
    435     Invalid = -1,
    436     SPSel = 0x05,
    437     DAIFSet = 0x1e,
    438     DAIFClr = 0x1f
    439   };
    440 
    441   struct PStateMapper : AArch64NamedImmMapper {
    442     const static Mapping PStatePairs[];
    443 
    444     PStateMapper();
    445   };
    446 
    447 }
    448 
    449 namespace AArch64SE {
    450     enum ShiftExtSpecifiers {
    451         Invalid = -1,
    452         LSL,
    453         MSL,
    454         LSR,
    455         ASR,
    456         ROR,
    457 
    458         UXTB,
    459         UXTH,
    460         UXTW,
    461         UXTX,
    462 
    463         SXTB,
    464         SXTH,
    465         SXTW,
    466         SXTX
    467     };
    468 }
    469 
    470 namespace AArch64Layout {
    471     enum VectorLayout {
    472         Invalid = -1,
    473         VL_8B,
    474         VL_4H,
    475         VL_2S,
    476         VL_1D,
    477 
    478         VL_16B,
    479         VL_8H,
    480         VL_4S,
    481         VL_2D,
    482 
    483         // Bare layout for the 128-bit vector
    484         // (only show ".b", ".h", ".s", ".d" without vector number)
    485         VL_B,
    486         VL_H,
    487         VL_S,
    488         VL_D
    489     };
    490 }
    491 
    492 inline static const char *
    493 AArch64VectorLayoutToString(AArch64Layout::VectorLayout Layout) {
    494   switch (Layout) {
    495   case AArch64Layout::VL_8B:  return ".8b";
    496   case AArch64Layout::VL_4H:  return ".4h";
    497   case AArch64Layout::VL_2S:  return ".2s";
    498   case AArch64Layout::VL_1D:  return ".1d";
    499   case AArch64Layout::VL_16B:  return ".16b";
    500   case AArch64Layout::VL_8H:  return ".8h";
    501   case AArch64Layout::VL_4S:  return ".4s";
    502   case AArch64Layout::VL_2D:  return ".2d";
    503   case AArch64Layout::VL_B:  return ".b";
    504   case AArch64Layout::VL_H:  return ".h";
    505   case AArch64Layout::VL_S:  return ".s";
    506   case AArch64Layout::VL_D:  return ".d";
    507   default: llvm_unreachable("Unknown Vector Layout");
    508   }
    509 }
    510 
    511 inline static AArch64Layout::VectorLayout
    512 AArch64StringToVectorLayout(StringRef LayoutStr) {
    513   return StringSwitch<AArch64Layout::VectorLayout>(LayoutStr)
    514              .Case(".8b", AArch64Layout::VL_8B)
    515              .Case(".4h", AArch64Layout::VL_4H)
    516              .Case(".2s", AArch64Layout::VL_2S)
    517              .Case(".1d", AArch64Layout::VL_1D)
    518              .Case(".16b", AArch64Layout::VL_16B)
    519              .Case(".8h", AArch64Layout::VL_8H)
    520              .Case(".4s", AArch64Layout::VL_4S)
    521              .Case(".2d", AArch64Layout::VL_2D)
    522              .Case(".b", AArch64Layout::VL_B)
    523              .Case(".h", AArch64Layout::VL_H)
    524              .Case(".s", AArch64Layout::VL_S)
    525              .Case(".d", AArch64Layout::VL_D)
    526              .Default(AArch64Layout::Invalid);
    527 }
    528 
    529 namespace AArch64SysReg {
    530   enum SysRegROValues {
    531     MDCCSR_EL0        = 0x9808, // 10  011  0000  0001  000
    532     DBGDTRRX_EL0      = 0x9828, // 10  011  0000  0101  000
    533     MDRAR_EL1         = 0x8080, // 10  000  0001  0000  000
    534     OSLSR_EL1         = 0x808c, // 10  000  0001  0001  100
    535     DBGAUTHSTATUS_EL1 = 0x83f6, // 10  000  0111  1110  110
    536     PMCEID0_EL0       = 0xdce6, // 11  011  1001  1100  110
    537     PMCEID1_EL0       = 0xdce7, // 11  011  1001  1100  111
    538     MIDR_EL1          = 0xc000, // 11  000  0000  0000  000
    539     CCSIDR_EL1        = 0xc800, // 11  001  0000  0000  000
    540     CLIDR_EL1         = 0xc801, // 11  001  0000  0000  001
    541     CTR_EL0           = 0xd801, // 11  011  0000  0000  001
    542     MPIDR_EL1         = 0xc005, // 11  000  0000  0000  101
    543     REVIDR_EL1        = 0xc006, // 11  000  0000  0000  110
    544     AIDR_EL1          = 0xc807, // 11  001  0000  0000  111
    545     DCZID_EL0         = 0xd807, // 11  011  0000  0000  111
    546     ID_PFR0_EL1       = 0xc008, // 11  000  0000  0001  000
    547     ID_PFR1_EL1       = 0xc009, // 11  000  0000  0001  001
    548     ID_DFR0_EL1       = 0xc00a, // 11  000  0000  0001  010
    549     ID_AFR0_EL1       = 0xc00b, // 11  000  0000  0001  011
    550     ID_MMFR0_EL1      = 0xc00c, // 11  000  0000  0001  100
    551     ID_MMFR1_EL1      = 0xc00d, // 11  000  0000  0001  101
    552     ID_MMFR2_EL1      = 0xc00e, // 11  000  0000  0001  110
    553     ID_MMFR3_EL1      = 0xc00f, // 11  000  0000  0001  111
    554     ID_ISAR0_EL1      = 0xc010, // 11  000  0000  0010  000
    555     ID_ISAR1_EL1      = 0xc011, // 11  000  0000  0010  001
    556     ID_ISAR2_EL1      = 0xc012, // 11  000  0000  0010  010
    557     ID_ISAR3_EL1      = 0xc013, // 11  000  0000  0010  011
    558     ID_ISAR4_EL1      = 0xc014, // 11  000  0000  0010  100
    559     ID_ISAR5_EL1      = 0xc015, // 11  000  0000  0010  101
    560     ID_A64PFR0_EL1    = 0xc020, // 11  000  0000  0100  000
    561     ID_A64PFR1_EL1    = 0xc021, // 11  000  0000  0100  001
    562     ID_A64DFR0_EL1    = 0xc028, // 11  000  0000  0101  000
    563     ID_A64DFR1_EL1    = 0xc029, // 11  000  0000  0101  001
    564     ID_A64AFR0_EL1    = 0xc02c, // 11  000  0000  0101  100
    565     ID_A64AFR1_EL1    = 0xc02d, // 11  000  0000  0101  101
    566     ID_A64ISAR0_EL1   = 0xc030, // 11  000  0000  0110  000
    567     ID_A64ISAR1_EL1   = 0xc031, // 11  000  0000  0110  001
    568     ID_A64MMFR0_EL1   = 0xc038, // 11  000  0000  0111  000
    569     ID_A64MMFR1_EL1   = 0xc039, // 11  000  0000  0111  001
    570     MVFR0_EL1         = 0xc018, // 11  000  0000  0011  000
    571     MVFR1_EL1         = 0xc019, // 11  000  0000  0011  001
    572     MVFR2_EL1         = 0xc01a, // 11  000  0000  0011  010
    573     RVBAR_EL1         = 0xc601, // 11  000  1100  0000  001
    574     RVBAR_EL2         = 0xe601, // 11  100  1100  0000  001
    575     RVBAR_EL3         = 0xf601, // 11  110  1100  0000  001
    576     ISR_EL1           = 0xc608, // 11  000  1100  0001  000
    577     CNTPCT_EL0        = 0xdf01, // 11  011  1110  0000  001
    578     CNTVCT_EL0        = 0xdf02,  // 11  011  1110  0000  010
    579 
    580     // Trace registers
    581     TRCSTATR          = 0x8818, // 10  001  0000  0011  000
    582     TRCIDR8           = 0x8806, // 10  001  0000  0000  110
    583     TRCIDR9           = 0x880e, // 10  001  0000  0001  110
    584     TRCIDR10          = 0x8816, // 10  001  0000  0010  110
    585     TRCIDR11          = 0x881e, // 10  001  0000  0011  110
    586     TRCIDR12          = 0x8826, // 10  001  0000  0100  110
    587     TRCIDR13          = 0x882e, // 10  001  0000  0101  110
    588     TRCIDR0           = 0x8847, // 10  001  0000  1000  111
    589     TRCIDR1           = 0x884f, // 10  001  0000  1001  111
    590     TRCIDR2           = 0x8857, // 10  001  0000  1010  111
    591     TRCIDR3           = 0x885f, // 10  001  0000  1011  111
    592     TRCIDR4           = 0x8867, // 10  001  0000  1100  111
    593     TRCIDR5           = 0x886f, // 10  001  0000  1101  111
    594     TRCIDR6           = 0x8877, // 10  001  0000  1110  111
    595     TRCIDR7           = 0x887f, // 10  001  0000  1111  111
    596     TRCOSLSR          = 0x888c, // 10  001  0001  0001  100
    597     TRCPDSR           = 0x88ac, // 10  001  0001  0101  100
    598     TRCDEVAFF0        = 0x8bd6, // 10  001  0111  1010  110
    599     TRCDEVAFF1        = 0x8bde, // 10  001  0111  1011  110
    600     TRCLSR            = 0x8bee, // 10  001  0111  1101  110
    601     TRCAUTHSTATUS     = 0x8bf6, // 10  001  0111  1110  110
    602     TRCDEVARCH        = 0x8bfe, // 10  001  0111  1111  110
    603     TRCDEVID          = 0x8b97, // 10  001  0111  0010  111
    604     TRCDEVTYPE        = 0x8b9f, // 10  001  0111  0011  111
    605     TRCPIDR4          = 0x8ba7, // 10  001  0111  0100  111
    606     TRCPIDR5          = 0x8baf, // 10  001  0111  0101  111
    607     TRCPIDR6          = 0x8bb7, // 10  001  0111  0110  111
    608     TRCPIDR7          = 0x8bbf, // 10  001  0111  0111  111
    609     TRCPIDR0          = 0x8bc7, // 10  001  0111  1000  111
    610     TRCPIDR1          = 0x8bcf, // 10  001  0111  1001  111
    611     TRCPIDR2          = 0x8bd7, // 10  001  0111  1010  111
    612     TRCPIDR3          = 0x8bdf, // 10  001  0111  1011  111
    613     TRCCIDR0          = 0x8be7, // 10  001  0111  1100  111
    614     TRCCIDR1          = 0x8bef, // 10  001  0111  1101  111
    615     TRCCIDR2          = 0x8bf7, // 10  001  0111  1110  111
    616     TRCCIDR3          = 0x8bff, // 10  001  0111  1111  111
    617 
    618     // GICv3 registers
    619     ICC_IAR1_EL1      = 0xc660, // 11  000  1100  1100  000
    620     ICC_IAR0_EL1      = 0xc640, // 11  000  1100  1000  000
    621     ICC_HPPIR1_EL1    = 0xc662, // 11  000  1100  1100  010
    622     ICC_HPPIR0_EL1    = 0xc642, // 11  000  1100  1000  010
    623     ICC_RPR_EL1       = 0xc65b, // 11  000  1100  1011  011
    624     ICH_VTR_EL2       = 0xe659, // 11  100  1100  1011  001
    625     ICH_EISR_EL2      = 0xe65b, // 11  100  1100  1011  011
    626     ICH_ELSR_EL2      = 0xe65d  // 11  100  1100  1011  101
    627   };
    628 
    629   enum SysRegWOValues {
    630     DBGDTRTX_EL0      = 0x9828, // 10  011  0000  0101  000
    631     OSLAR_EL1         = 0x8084, // 10  000  0001  0000  100
    632     PMSWINC_EL0       = 0xdce4,  // 11  011  1001  1100  100
    633 
    634     // Trace Registers
    635     TRCOSLAR          = 0x8884, // 10  001  0001  0000  100
    636     TRCLAR            = 0x8be6, // 10  001  0111  1100  110
    637 
    638     // GICv3 registers
    639     ICC_EOIR1_EL1     = 0xc661, // 11  000  1100  1100  001
    640     ICC_EOIR0_EL1     = 0xc641, // 11  000  1100  1000  001
    641     ICC_DIR_EL1       = 0xc659, // 11  000  1100  1011  001
    642     ICC_SGI1R_EL1     = 0xc65d, // 11  000  1100  1011  101
    643     ICC_ASGI1R_EL1    = 0xc65e, // 11  000  1100  1011  110
    644     ICC_SGI0R_EL1     = 0xc65f  // 11  000  1100  1011  111
    645   };
    646 
    647   enum SysRegValues {
    648     Invalid = -1,               // Op0 Op1  CRn   CRm   Op2
    649     OSDTRRX_EL1       = 0x8002, // 10  000  0000  0000  010
    650     OSDTRTX_EL1       = 0x801a, // 10  000  0000  0011  010
    651     TEECR32_EL1       = 0x9000, // 10  010  0000  0000  000
    652     MDCCINT_EL1       = 0x8010, // 10  000  0000  0010  000
    653     MDSCR_EL1         = 0x8012, // 10  000  0000  0010  010
    654     DBGDTR_EL0        = 0x9820, // 10  011  0000  0100  000
    655     OSECCR_EL1        = 0x8032, // 10  000  0000  0110  010
    656     DBGVCR32_EL2      = 0xa038, // 10  100  0000  0111  000
    657     DBGBVR0_EL1       = 0x8004, // 10  000  0000  0000  100
    658     DBGBVR1_EL1       = 0x800c, // 10  000  0000  0001  100
    659     DBGBVR2_EL1       = 0x8014, // 10  000  0000  0010  100
    660     DBGBVR3_EL1       = 0x801c, // 10  000  0000  0011  100
    661     DBGBVR4_EL1       = 0x8024, // 10  000  0000  0100  100
    662     DBGBVR5_EL1       = 0x802c, // 10  000  0000  0101  100
    663     DBGBVR6_EL1       = 0x8034, // 10  000  0000  0110  100
    664     DBGBVR7_EL1       = 0x803c, // 10  000  0000  0111  100
    665     DBGBVR8_EL1       = 0x8044, // 10  000  0000  1000  100
    666     DBGBVR9_EL1       = 0x804c, // 10  000  0000  1001  100
    667     DBGBVR10_EL1      = 0x8054, // 10  000  0000  1010  100
    668     DBGBVR11_EL1      = 0x805c, // 10  000  0000  1011  100
    669     DBGBVR12_EL1      = 0x8064, // 10  000  0000  1100  100
    670     DBGBVR13_EL1      = 0x806c, // 10  000  0000  1101  100
    671     DBGBVR14_EL1      = 0x8074, // 10  000  0000  1110  100
    672     DBGBVR15_EL1      = 0x807c, // 10  000  0000  1111  100
    673     DBGBCR0_EL1       = 0x8005, // 10  000  0000  0000  101
    674     DBGBCR1_EL1       = 0x800d, // 10  000  0000  0001  101
    675     DBGBCR2_EL1       = 0x8015, // 10  000  0000  0010  101
    676     DBGBCR3_EL1       = 0x801d, // 10  000  0000  0011  101
    677     DBGBCR4_EL1       = 0x8025, // 10  000  0000  0100  101
    678     DBGBCR5_EL1       = 0x802d, // 10  000  0000  0101  101
    679     DBGBCR6_EL1       = 0x8035, // 10  000  0000  0110  101
    680     DBGBCR7_EL1       = 0x803d, // 10  000  0000  0111  101
    681     DBGBCR8_EL1       = 0x8045, // 10  000  0000  1000  101
    682     DBGBCR9_EL1       = 0x804d, // 10  000  0000  1001  101
    683     DBGBCR10_EL1      = 0x8055, // 10  000  0000  1010  101
    684     DBGBCR11_EL1      = 0x805d, // 10  000  0000  1011  101
    685     DBGBCR12_EL1      = 0x8065, // 10  000  0000  1100  101
    686     DBGBCR13_EL1      = 0x806d, // 10  000  0000  1101  101
    687     DBGBCR14_EL1      = 0x8075, // 10  000  0000  1110  101
    688     DBGBCR15_EL1      = 0x807d, // 10  000  0000  1111  101
    689     DBGWVR0_EL1       = 0x8006, // 10  000  0000  0000  110
    690     DBGWVR1_EL1       = 0x800e, // 10  000  0000  0001  110
    691     DBGWVR2_EL1       = 0x8016, // 10  000  0000  0010  110
    692     DBGWVR3_EL1       = 0x801e, // 10  000  0000  0011  110
    693     DBGWVR4_EL1       = 0x8026, // 10  000  0000  0100  110
    694     DBGWVR5_EL1       = 0x802e, // 10  000  0000  0101  110
    695     DBGWVR6_EL1       = 0x8036, // 10  000  0000  0110  110
    696     DBGWVR7_EL1       = 0x803e, // 10  000  0000  0111  110
    697     DBGWVR8_EL1       = 0x8046, // 10  000  0000  1000  110
    698     DBGWVR9_EL1       = 0x804e, // 10  000  0000  1001  110
    699     DBGWVR10_EL1      = 0x8056, // 10  000  0000  1010  110
    700     DBGWVR11_EL1      = 0x805e, // 10  000  0000  1011  110
    701     DBGWVR12_EL1      = 0x8066, // 10  000  0000  1100  110
    702     DBGWVR13_EL1      = 0x806e, // 10  000  0000  1101  110
    703     DBGWVR14_EL1      = 0x8076, // 10  000  0000  1110  110
    704     DBGWVR15_EL1      = 0x807e, // 10  000  0000  1111  110
    705     DBGWCR0_EL1       = 0x8007, // 10  000  0000  0000  111
    706     DBGWCR1_EL1       = 0x800f, // 10  000  0000  0001  111
    707     DBGWCR2_EL1       = 0x8017, // 10  000  0000  0010  111
    708     DBGWCR3_EL1       = 0x801f, // 10  000  0000  0011  111
    709     DBGWCR4_EL1       = 0x8027, // 10  000  0000  0100  111
    710     DBGWCR5_EL1       = 0x802f, // 10  000  0000  0101  111
    711     DBGWCR6_EL1       = 0x8037, // 10  000  0000  0110  111
    712     DBGWCR7_EL1       = 0x803f, // 10  000  0000  0111  111
    713     DBGWCR8_EL1       = 0x8047, // 10  000  0000  1000  111
    714     DBGWCR9_EL1       = 0x804f, // 10  000  0000  1001  111
    715     DBGWCR10_EL1      = 0x8057, // 10  000  0000  1010  111
    716     DBGWCR11_EL1      = 0x805f, // 10  000  0000  1011  111
    717     DBGWCR12_EL1      = 0x8067, // 10  000  0000  1100  111
    718     DBGWCR13_EL1      = 0x806f, // 10  000  0000  1101  111
    719     DBGWCR14_EL1      = 0x8077, // 10  000  0000  1110  111
    720     DBGWCR15_EL1      = 0x807f, // 10  000  0000  1111  111
    721     TEEHBR32_EL1      = 0x9080, // 10  010  0001  0000  000
    722     OSDLR_EL1         = 0x809c, // 10  000  0001  0011  100
    723     DBGPRCR_EL1       = 0x80a4, // 10  000  0001  0100  100
    724     DBGCLAIMSET_EL1   = 0x83c6, // 10  000  0111  1000  110
    725     DBGCLAIMCLR_EL1   = 0x83ce, // 10  000  0111  1001  110
    726     CSSELR_EL1        = 0xd000, // 11  010  0000  0000  000
    727     VPIDR_EL2         = 0xe000, // 11  100  0000  0000  000
    728     VMPIDR_EL2        = 0xe005, // 11  100  0000  0000  101
    729     CPACR_EL1         = 0xc082, // 11  000  0001  0000  010
    730     SCTLR_EL1         = 0xc080, // 11  000  0001  0000  000
    731     SCTLR_EL2         = 0xe080, // 11  100  0001  0000  000
    732     SCTLR_EL3         = 0xf080, // 11  110  0001  0000  000
    733     ACTLR_EL1         = 0xc081, // 11  000  0001  0000  001
    734     ACTLR_EL2         = 0xe081, // 11  100  0001  0000  001
    735     ACTLR_EL3         = 0xf081, // 11  110  0001  0000  001
    736     HCR_EL2           = 0xe088, // 11  100  0001  0001  000
    737     SCR_EL3           = 0xf088, // 11  110  0001  0001  000
    738     MDCR_EL2          = 0xe089, // 11  100  0001  0001  001
    739     SDER32_EL3        = 0xf089, // 11  110  0001  0001  001
    740     CPTR_EL2          = 0xe08a, // 11  100  0001  0001  010
    741     CPTR_EL3          = 0xf08a, // 11  110  0001  0001  010
    742     HSTR_EL2          = 0xe08b, // 11  100  0001  0001  011
    743     HACR_EL2          = 0xe08f, // 11  100  0001  0001  111
    744     MDCR_EL3          = 0xf099, // 11  110  0001  0011  001
    745     TTBR0_EL1         = 0xc100, // 11  000  0010  0000  000
    746     TTBR0_EL2         = 0xe100, // 11  100  0010  0000  000
    747     TTBR0_EL3         = 0xf100, // 11  110  0010  0000  000
    748     TTBR1_EL1         = 0xc101, // 11  000  0010  0000  001
    749     TCR_EL1           = 0xc102, // 11  000  0010  0000  010
    750     TCR_EL2           = 0xe102, // 11  100  0010  0000  010
    751     TCR_EL3           = 0xf102, // 11  110  0010  0000  010
    752     VTTBR_EL2         = 0xe108, // 11  100  0010  0001  000
    753     VTCR_EL2          = 0xe10a, // 11  100  0010  0001  010
    754     DACR32_EL2        = 0xe180, // 11  100  0011  0000  000
    755     SPSR_EL1          = 0xc200, // 11  000  0100  0000  000
    756     SPSR_EL2          = 0xe200, // 11  100  0100  0000  000
    757     SPSR_EL3          = 0xf200, // 11  110  0100  0000  000
    758     ELR_EL1           = 0xc201, // 11  000  0100  0000  001
    759     ELR_EL2           = 0xe201, // 11  100  0100  0000  001
    760     ELR_EL3           = 0xf201, // 11  110  0100  0000  001
    761     SP_EL0            = 0xc208, // 11  000  0100  0001  000
    762     SP_EL1            = 0xe208, // 11  100  0100  0001  000
    763     SP_EL2            = 0xf208, // 11  110  0100  0001  000
    764     SPSel             = 0xc210, // 11  000  0100  0010  000
    765     NZCV              = 0xda10, // 11  011  0100  0010  000
    766     DAIF              = 0xda11, // 11  011  0100  0010  001
    767     CurrentEL         = 0xc212, // 11  000  0100  0010  010
    768     SPSR_irq          = 0xe218, // 11  100  0100  0011  000
    769     SPSR_abt          = 0xe219, // 11  100  0100  0011  001
    770     SPSR_und          = 0xe21a, // 11  100  0100  0011  010
    771     SPSR_fiq          = 0xe21b, // 11  100  0100  0011  011
    772     FPCR              = 0xda20, // 11  011  0100  0100  000
    773     FPSR              = 0xda21, // 11  011  0100  0100  001
    774     DSPSR_EL0         = 0xda28, // 11  011  0100  0101  000
    775     DLR_EL0           = 0xda29, // 11  011  0100  0101  001
    776     IFSR32_EL2        = 0xe281, // 11  100  0101  0000  001
    777     AFSR0_EL1         = 0xc288, // 11  000  0101  0001  000
    778     AFSR0_EL2         = 0xe288, // 11  100  0101  0001  000
    779     AFSR0_EL3         = 0xf288, // 11  110  0101  0001  000
    780     AFSR1_EL1         = 0xc289, // 11  000  0101  0001  001
    781     AFSR1_EL2         = 0xe289, // 11  100  0101  0001  001
    782     AFSR1_EL3         = 0xf289, // 11  110  0101  0001  001
    783     ESR_EL1           = 0xc290, // 11  000  0101  0010  000
    784     ESR_EL2           = 0xe290, // 11  100  0101  0010  000
    785     ESR_EL3           = 0xf290, // 11  110  0101  0010  000
    786     FPEXC32_EL2       = 0xe298, // 11  100  0101  0011  000
    787     FAR_EL1           = 0xc300, // 11  000  0110  0000  000
    788     FAR_EL2           = 0xe300, // 11  100  0110  0000  000
    789     FAR_EL3           = 0xf300, // 11  110  0110  0000  000
    790     HPFAR_EL2         = 0xe304, // 11  100  0110  0000  100
    791     PAR_EL1           = 0xc3a0, // 11  000  0111  0100  000
    792     PMCR_EL0          = 0xdce0, // 11  011  1001  1100  000
    793     PMCNTENSET_EL0    = 0xdce1, // 11  011  1001  1100  001
    794     PMCNTENCLR_EL0    = 0xdce2, // 11  011  1001  1100  010
    795     PMOVSCLR_EL0      = 0xdce3, // 11  011  1001  1100  011
    796     PMSELR_EL0        = 0xdce5, // 11  011  1001  1100  101
    797     PMCCNTR_EL0       = 0xdce8, // 11  011  1001  1101  000
    798     PMXEVTYPER_EL0    = 0xdce9, // 11  011  1001  1101  001
    799     PMXEVCNTR_EL0     = 0xdcea, // 11  011  1001  1101  010
    800     PMUSERENR_EL0     = 0xdcf0, // 11  011  1001  1110  000
    801     PMINTENSET_EL1    = 0xc4f1, // 11  000  1001  1110  001
    802     PMINTENCLR_EL1    = 0xc4f2, // 11  000  1001  1110  010
    803     PMOVSSET_EL0      = 0xdcf3, // 11  011  1001  1110  011
    804     MAIR_EL1          = 0xc510, // 11  000  1010  0010  000
    805     MAIR_EL2          = 0xe510, // 11  100  1010  0010  000
    806     MAIR_EL3          = 0xf510, // 11  110  1010  0010  000
    807     AMAIR_EL1         = 0xc518, // 11  000  1010  0011  000
    808     AMAIR_EL2         = 0xe518, // 11  100  1010  0011  000
    809     AMAIR_EL3         = 0xf518, // 11  110  1010  0011  000
    810     VBAR_EL1          = 0xc600, // 11  000  1100  0000  000
    811     VBAR_EL2          = 0xe600, // 11  100  1100  0000  000
    812     VBAR_EL3          = 0xf600, // 11  110  1100  0000  000
    813     RMR_EL1           = 0xc602, // 11  000  1100  0000  010
    814     RMR_EL2           = 0xe602, // 11  100  1100  0000  010
    815     RMR_EL3           = 0xf602, // 11  110  1100  0000  010
    816     CONTEXTIDR_EL1    = 0xc681, // 11  000  1101  0000  001
    817     TPIDR_EL0         = 0xde82, // 11  011  1101  0000  010
    818     TPIDR_EL2         = 0xe682, // 11  100  1101  0000  010
    819     TPIDR_EL3         = 0xf682, // 11  110  1101  0000  010
    820     TPIDRRO_EL0       = 0xde83, // 11  011  1101  0000  011
    821     TPIDR_EL1         = 0xc684, // 11  000  1101  0000  100
    822     CNTFRQ_EL0        = 0xdf00, // 11  011  1110  0000  000
    823     CNTVOFF_EL2       = 0xe703, // 11  100  1110  0000  011
    824     CNTKCTL_EL1       = 0xc708, // 11  000  1110  0001  000
    825     CNTHCTL_EL2       = 0xe708, // 11  100  1110  0001  000
    826     CNTP_TVAL_EL0     = 0xdf10, // 11  011  1110  0010  000
    827     CNTHP_TVAL_EL2    = 0xe710, // 11  100  1110  0010  000
    828     CNTPS_TVAL_EL1    = 0xff10, // 11  111  1110  0010  000
    829     CNTP_CTL_EL0      = 0xdf11, // 11  011  1110  0010  001
    830     CNTHP_CTL_EL2     = 0xe711, // 11  100  1110  0010  001
    831     CNTPS_CTL_EL1     = 0xff11, // 11  111  1110  0010  001
    832     CNTP_CVAL_EL0     = 0xdf12, // 11  011  1110  0010  010
    833     CNTHP_CVAL_EL2    = 0xe712, // 11  100  1110  0010  010
    834     CNTPS_CVAL_EL1    = 0xff12, // 11  111  1110  0010  010
    835     CNTV_TVAL_EL0     = 0xdf18, // 11  011  1110  0011  000
    836     CNTV_CTL_EL0      = 0xdf19, // 11  011  1110  0011  001
    837     CNTV_CVAL_EL0     = 0xdf1a, // 11  011  1110  0011  010
    838     PMEVCNTR0_EL0     = 0xdf40, // 11  011  1110  1000  000
    839     PMEVCNTR1_EL0     = 0xdf41, // 11  011  1110  1000  001
    840     PMEVCNTR2_EL0     = 0xdf42, // 11  011  1110  1000  010
    841     PMEVCNTR3_EL0     = 0xdf43, // 11  011  1110  1000  011
    842     PMEVCNTR4_EL0     = 0xdf44, // 11  011  1110  1000  100
    843     PMEVCNTR5_EL0     = 0xdf45, // 11  011  1110  1000  101
    844     PMEVCNTR6_EL0     = 0xdf46, // 11  011  1110  1000  110
    845     PMEVCNTR7_EL0     = 0xdf47, // 11  011  1110  1000  111
    846     PMEVCNTR8_EL0     = 0xdf48, // 11  011  1110  1001  000
    847     PMEVCNTR9_EL0     = 0xdf49, // 11  011  1110  1001  001
    848     PMEVCNTR10_EL0    = 0xdf4a, // 11  011  1110  1001  010
    849     PMEVCNTR11_EL0    = 0xdf4b, // 11  011  1110  1001  011
    850     PMEVCNTR12_EL0    = 0xdf4c, // 11  011  1110  1001  100
    851     PMEVCNTR13_EL0    = 0xdf4d, // 11  011  1110  1001  101
    852     PMEVCNTR14_EL0    = 0xdf4e, // 11  011  1110  1001  110
    853     PMEVCNTR15_EL0    = 0xdf4f, // 11  011  1110  1001  111
    854     PMEVCNTR16_EL0    = 0xdf50, // 11  011  1110  1010  000
    855     PMEVCNTR17_EL0    = 0xdf51, // 11  011  1110  1010  001
    856     PMEVCNTR18_EL0    = 0xdf52, // 11  011  1110  1010  010
    857     PMEVCNTR19_EL0    = 0xdf53, // 11  011  1110  1010  011
    858     PMEVCNTR20_EL0    = 0xdf54, // 11  011  1110  1010  100
    859     PMEVCNTR21_EL0    = 0xdf55, // 11  011  1110  1010  101
    860     PMEVCNTR22_EL0    = 0xdf56, // 11  011  1110  1010  110
    861     PMEVCNTR23_EL0    = 0xdf57, // 11  011  1110  1010  111
    862     PMEVCNTR24_EL0    = 0xdf58, // 11  011  1110  1011  000
    863     PMEVCNTR25_EL0    = 0xdf59, // 11  011  1110  1011  001
    864     PMEVCNTR26_EL0    = 0xdf5a, // 11  011  1110  1011  010
    865     PMEVCNTR27_EL0    = 0xdf5b, // 11  011  1110  1011  011
    866     PMEVCNTR28_EL0    = 0xdf5c, // 11  011  1110  1011  100
    867     PMEVCNTR29_EL0    = 0xdf5d, // 11  011  1110  1011  101
    868     PMEVCNTR30_EL0    = 0xdf5e, // 11  011  1110  1011  110
    869     PMCCFILTR_EL0     = 0xdf7f, // 11  011  1110  1111  111
    870     PMEVTYPER0_EL0    = 0xdf60, // 11  011  1110  1100  000
    871     PMEVTYPER1_EL0    = 0xdf61, // 11  011  1110  1100  001
    872     PMEVTYPER2_EL0    = 0xdf62, // 11  011  1110  1100  010
    873     PMEVTYPER3_EL0    = 0xdf63, // 11  011  1110  1100  011
    874     PMEVTYPER4_EL0    = 0xdf64, // 11  011  1110  1100  100
    875     PMEVTYPER5_EL0    = 0xdf65, // 11  011  1110  1100  101
    876     PMEVTYPER6_EL0    = 0xdf66, // 11  011  1110  1100  110
    877     PMEVTYPER7_EL0    = 0xdf67, // 11  011  1110  1100  111
    878     PMEVTYPER8_EL0    = 0xdf68, // 11  011  1110  1101  000
    879     PMEVTYPER9_EL0    = 0xdf69, // 11  011  1110  1101  001
    880     PMEVTYPER10_EL0   = 0xdf6a, // 11  011  1110  1101  010
    881     PMEVTYPER11_EL0   = 0xdf6b, // 11  011  1110  1101  011
    882     PMEVTYPER12_EL0   = 0xdf6c, // 11  011  1110  1101  100
    883     PMEVTYPER13_EL0   = 0xdf6d, // 11  011  1110  1101  101
    884     PMEVTYPER14_EL0   = 0xdf6e, // 11  011  1110  1101  110
    885     PMEVTYPER15_EL0   = 0xdf6f, // 11  011  1110  1101  111
    886     PMEVTYPER16_EL0   = 0xdf70, // 11  011  1110  1110  000
    887     PMEVTYPER17_EL0   = 0xdf71, // 11  011  1110  1110  001
    888     PMEVTYPER18_EL0   = 0xdf72, // 11  011  1110  1110  010
    889     PMEVTYPER19_EL0   = 0xdf73, // 11  011  1110  1110  011
    890     PMEVTYPER20_EL0   = 0xdf74, // 11  011  1110  1110  100
    891     PMEVTYPER21_EL0   = 0xdf75, // 11  011  1110  1110  101
    892     PMEVTYPER22_EL0   = 0xdf76, // 11  011  1110  1110  110
    893     PMEVTYPER23_EL0   = 0xdf77, // 11  011  1110  1110  111
    894     PMEVTYPER24_EL0   = 0xdf78, // 11  011  1110  1111  000
    895     PMEVTYPER25_EL0   = 0xdf79, // 11  011  1110  1111  001
    896     PMEVTYPER26_EL0   = 0xdf7a, // 11  011  1110  1111  010
    897     PMEVTYPER27_EL0   = 0xdf7b, // 11  011  1110  1111  011
    898     PMEVTYPER28_EL0   = 0xdf7c, // 11  011  1110  1111  100
    899     PMEVTYPER29_EL0   = 0xdf7d, // 11  011  1110  1111  101
    900     PMEVTYPER30_EL0   = 0xdf7e, // 11  011  1110  1111  110
    901 
    902     // Trace registers
    903     TRCPRGCTLR        = 0x8808, // 10  001  0000  0001  000
    904     TRCPROCSELR       = 0x8810, // 10  001  0000  0010  000
    905     TRCCONFIGR        = 0x8820, // 10  001  0000  0100  000
    906     TRCAUXCTLR        = 0x8830, // 10  001  0000  0110  000
    907     TRCEVENTCTL0R     = 0x8840, // 10  001  0000  1000  000
    908     TRCEVENTCTL1R     = 0x8848, // 10  001  0000  1001  000
    909     TRCSTALLCTLR      = 0x8858, // 10  001  0000  1011  000
    910     TRCTSCTLR         = 0x8860, // 10  001  0000  1100  000
    911     TRCSYNCPR         = 0x8868, // 10  001  0000  1101  000
    912     TRCCCCTLR         = 0x8870, // 10  001  0000  1110  000
    913     TRCBBCTLR         = 0x8878, // 10  001  0000  1111  000
    914     TRCTRACEIDR       = 0x8801, // 10  001  0000  0000  001
    915     TRCQCTLR          = 0x8809, // 10  001  0000  0001  001
    916     TRCVICTLR         = 0x8802, // 10  001  0000  0000  010
    917     TRCVIIECTLR       = 0x880a, // 10  001  0000  0001  010
    918     TRCVISSCTLR       = 0x8812, // 10  001  0000  0010  010
    919     TRCVIPCSSCTLR     = 0x881a, // 10  001  0000  0011  010
    920     TRCVDCTLR         = 0x8842, // 10  001  0000  1000  010
    921     TRCVDSACCTLR      = 0x884a, // 10  001  0000  1001  010
    922     TRCVDARCCTLR      = 0x8852, // 10  001  0000  1010  010
    923     TRCSEQEVR0        = 0x8804, // 10  001  0000  0000  100
    924     TRCSEQEVR1        = 0x880c, // 10  001  0000  0001  100
    925     TRCSEQEVR2        = 0x8814, // 10  001  0000  0010  100
    926     TRCSEQRSTEVR      = 0x8834, // 10  001  0000  0110  100
    927     TRCSEQSTR         = 0x883c, // 10  001  0000  0111  100
    928     TRCEXTINSELR      = 0x8844, // 10  001  0000  1000  100
    929     TRCCNTRLDVR0      = 0x8805, // 10  001  0000  0000  101
    930     TRCCNTRLDVR1      = 0x880d, // 10  001  0000  0001  101
    931     TRCCNTRLDVR2      = 0x8815, // 10  001  0000  0010  101
    932     TRCCNTRLDVR3      = 0x881d, // 10  001  0000  0011  101
    933     TRCCNTCTLR0       = 0x8825, // 10  001  0000  0100  101
    934     TRCCNTCTLR1       = 0x882d, // 10  001  0000  0101  101
    935     TRCCNTCTLR2       = 0x8835, // 10  001  0000  0110  101
    936     TRCCNTCTLR3       = 0x883d, // 10  001  0000  0111  101
    937     TRCCNTVR0         = 0x8845, // 10  001  0000  1000  101
    938     TRCCNTVR1         = 0x884d, // 10  001  0000  1001  101
    939     TRCCNTVR2         = 0x8855, // 10  001  0000  1010  101
    940     TRCCNTVR3         = 0x885d, // 10  001  0000  1011  101
    941     TRCIMSPEC0        = 0x8807, // 10  001  0000  0000  111
    942     TRCIMSPEC1        = 0x880f, // 10  001  0000  0001  111
    943     TRCIMSPEC2        = 0x8817, // 10  001  0000  0010  111
    944     TRCIMSPEC3        = 0x881f, // 10  001  0000  0011  111
    945     TRCIMSPEC4        = 0x8827, // 10  001  0000  0100  111
    946     TRCIMSPEC5        = 0x882f, // 10  001  0000  0101  111
    947     TRCIMSPEC6        = 0x8837, // 10  001  0000  0110  111
    948     TRCIMSPEC7        = 0x883f, // 10  001  0000  0111  111
    949     TRCRSCTLR2        = 0x8890, // 10  001  0001  0010  000
    950     TRCRSCTLR3        = 0x8898, // 10  001  0001  0011  000
    951     TRCRSCTLR4        = 0x88a0, // 10  001  0001  0100  000
    952     TRCRSCTLR5        = 0x88a8, // 10  001  0001  0101  000
    953     TRCRSCTLR6        = 0x88b0, // 10  001  0001  0110  000
    954     TRCRSCTLR7        = 0x88b8, // 10  001  0001  0111  000
    955     TRCRSCTLR8        = 0x88c0, // 10  001  0001  1000  000
    956     TRCRSCTLR9        = 0x88c8, // 10  001  0001  1001  000
    957     TRCRSCTLR10       = 0x88d0, // 10  001  0001  1010  000
    958     TRCRSCTLR11       = 0x88d8, // 10  001  0001  1011  000
    959     TRCRSCTLR12       = 0x88e0, // 10  001  0001  1100  000
    960     TRCRSCTLR13       = 0x88e8, // 10  001  0001  1101  000
    961     TRCRSCTLR14       = 0x88f0, // 10  001  0001  1110  000
    962     TRCRSCTLR15       = 0x88f8, // 10  001  0001  1111  000
    963     TRCRSCTLR16       = 0x8881, // 10  001  0001  0000  001
    964     TRCRSCTLR17       = 0x8889, // 10  001  0001  0001  001
    965     TRCRSCTLR18       = 0x8891, // 10  001  0001  0010  001
    966     TRCRSCTLR19       = 0x8899, // 10  001  0001  0011  001
    967     TRCRSCTLR20       = 0x88a1, // 10  001  0001  0100  001
    968     TRCRSCTLR21       = 0x88a9, // 10  001  0001  0101  001
    969     TRCRSCTLR22       = 0x88b1, // 10  001  0001  0110  001
    970     TRCRSCTLR23       = 0x88b9, // 10  001  0001  0111  001
    971     TRCRSCTLR24       = 0x88c1, // 10  001  0001  1000  001
    972     TRCRSCTLR25       = 0x88c9, // 10  001  0001  1001  001
    973     TRCRSCTLR26       = 0x88d1, // 10  001  0001  1010  001
    974     TRCRSCTLR27       = 0x88d9, // 10  001  0001  1011  001
    975     TRCRSCTLR28       = 0x88e1, // 10  001  0001  1100  001
    976     TRCRSCTLR29       = 0x88e9, // 10  001  0001  1101  001
    977     TRCRSCTLR30       = 0x88f1, // 10  001  0001  1110  001
    978     TRCRSCTLR31       = 0x88f9, // 10  001  0001  1111  001
    979     TRCSSCCR0         = 0x8882, // 10  001  0001  0000  010
    980     TRCSSCCR1         = 0x888a, // 10  001  0001  0001  010
    981     TRCSSCCR2         = 0x8892, // 10  001  0001  0010  010
    982     TRCSSCCR3         = 0x889a, // 10  001  0001  0011  010
    983     TRCSSCCR4         = 0x88a2, // 10  001  0001  0100  010
    984     TRCSSCCR5         = 0x88aa, // 10  001  0001  0101  010
    985     TRCSSCCR6         = 0x88b2, // 10  001  0001  0110  010
    986     TRCSSCCR7         = 0x88ba, // 10  001  0001  0111  010
    987     TRCSSCSR0         = 0x88c2, // 10  001  0001  1000  010
    988     TRCSSCSR1         = 0x88ca, // 10  001  0001  1001  010
    989     TRCSSCSR2         = 0x88d2, // 10  001  0001  1010  010
    990     TRCSSCSR3         = 0x88da, // 10  001  0001  1011  010
    991     TRCSSCSR4         = 0x88e2, // 10  001  0001  1100  010
    992     TRCSSCSR5         = 0x88ea, // 10  001  0001  1101  010
    993     TRCSSCSR6         = 0x88f2, // 10  001  0001  1110  010
    994     TRCSSCSR7         = 0x88fa, // 10  001  0001  1111  010
    995     TRCSSPCICR0       = 0x8883, // 10  001  0001  0000  011
    996     TRCSSPCICR1       = 0x888b, // 10  001  0001  0001  011
    997     TRCSSPCICR2       = 0x8893, // 10  001  0001  0010  011
    998     TRCSSPCICR3       = 0x889b, // 10  001  0001  0011  011
    999     TRCSSPCICR4       = 0x88a3, // 10  001  0001  0100  011
   1000     TRCSSPCICR5       = 0x88ab, // 10  001  0001  0101  011
   1001     TRCSSPCICR6       = 0x88b3, // 10  001  0001  0110  011
   1002     TRCSSPCICR7       = 0x88bb, // 10  001  0001  0111  011
   1003     TRCPDCR           = 0x88a4, // 10  001  0001  0100  100
   1004     TRCACVR0          = 0x8900, // 10  001  0010  0000  000
   1005     TRCACVR1          = 0x8910, // 10  001  0010  0010  000
   1006     TRCACVR2          = 0x8920, // 10  001  0010  0100  000
   1007     TRCACVR3          = 0x8930, // 10  001  0010  0110  000
   1008     TRCACVR4          = 0x8940, // 10  001  0010  1000  000
   1009     TRCACVR5          = 0x8950, // 10  001  0010  1010  000
   1010     TRCACVR6          = 0x8960, // 10  001  0010  1100  000
   1011     TRCACVR7          = 0x8970, // 10  001  0010  1110  000
   1012     TRCACVR8          = 0x8901, // 10  001  0010  0000  001
   1013     TRCACVR9          = 0x8911, // 10  001  0010  0010  001
   1014     TRCACVR10         = 0x8921, // 10  001  0010  0100  001
   1015     TRCACVR11         = 0x8931, // 10  001  0010  0110  001
   1016     TRCACVR12         = 0x8941, // 10  001  0010  1000  001
   1017     TRCACVR13         = 0x8951, // 10  001  0010  1010  001
   1018     TRCACVR14         = 0x8961, // 10  001  0010  1100  001
   1019     TRCACVR15         = 0x8971, // 10  001  0010  1110  001
   1020     TRCACATR0         = 0x8902, // 10  001  0010  0000  010
   1021     TRCACATR1         = 0x8912, // 10  001  0010  0010  010
   1022     TRCACATR2         = 0x8922, // 10  001  0010  0100  010
   1023     TRCACATR3         = 0x8932, // 10  001  0010  0110  010
   1024     TRCACATR4         = 0x8942, // 10  001  0010  1000  010
   1025     TRCACATR5         = 0x8952, // 10  001  0010  1010  010
   1026     TRCACATR6         = 0x8962, // 10  001  0010  1100  010
   1027     TRCACATR7         = 0x8972, // 10  001  0010  1110  010
   1028     TRCACATR8         = 0x8903, // 10  001  0010  0000  011
   1029     TRCACATR9         = 0x8913, // 10  001  0010  0010  011
   1030     TRCACATR10        = 0x8923, // 10  001  0010  0100  011
   1031     TRCACATR11        = 0x8933, // 10  001  0010  0110  011
   1032     TRCACATR12        = 0x8943, // 10  001  0010  1000  011
   1033     TRCACATR13        = 0x8953, // 10  001  0010  1010  011
   1034     TRCACATR14        = 0x8963, // 10  001  0010  1100  011
   1035     TRCACATR15        = 0x8973, // 10  001  0010  1110  011
   1036     TRCDVCVR0         = 0x8904, // 10  001  0010  0000  100
   1037     TRCDVCVR1         = 0x8924, // 10  001  0010  0100  100
   1038     TRCDVCVR2         = 0x8944, // 10  001  0010  1000  100
   1039     TRCDVCVR3         = 0x8964, // 10  001  0010  1100  100
   1040     TRCDVCVR4         = 0x8905, // 10  001  0010  0000  101
   1041     TRCDVCVR5         = 0x8925, // 10  001  0010  0100  101
   1042     TRCDVCVR6         = 0x8945, // 10  001  0010  1000  101
   1043     TRCDVCVR7         = 0x8965, // 10  001  0010  1100  101
   1044     TRCDVCMR0         = 0x8906, // 10  001  0010  0000  110
   1045     TRCDVCMR1         = 0x8926, // 10  001  0010  0100  110
   1046     TRCDVCMR2         = 0x8946, // 10  001  0010  1000  110
   1047     TRCDVCMR3         = 0x8966, // 10  001  0010  1100  110
   1048     TRCDVCMR4         = 0x8907, // 10  001  0010  0000  111
   1049     TRCDVCMR5         = 0x8927, // 10  001  0010  0100  111
   1050     TRCDVCMR6         = 0x8947, // 10  001  0010  1000  111
   1051     TRCDVCMR7         = 0x8967, // 10  001  0010  1100  111
   1052     TRCCIDCVR0        = 0x8980, // 10  001  0011  0000  000
   1053     TRCCIDCVR1        = 0x8990, // 10  001  0011  0010  000
   1054     TRCCIDCVR2        = 0x89a0, // 10  001  0011  0100  000
   1055     TRCCIDCVR3        = 0x89b0, // 10  001  0011  0110  000
   1056     TRCCIDCVR4        = 0x89c0, // 10  001  0011  1000  000
   1057     TRCCIDCVR5        = 0x89d0, // 10  001  0011  1010  000
   1058     TRCCIDCVR6        = 0x89e0, // 10  001  0011  1100  000
   1059     TRCCIDCVR7        = 0x89f0, // 10  001  0011  1110  000
   1060     TRCVMIDCVR0       = 0x8981, // 10  001  0011  0000  001
   1061     TRCVMIDCVR1       = 0x8991, // 10  001  0011  0010  001
   1062     TRCVMIDCVR2       = 0x89a1, // 10  001  0011  0100  001
   1063     TRCVMIDCVR3       = 0x89b1, // 10  001  0011  0110  001
   1064     TRCVMIDCVR4       = 0x89c1, // 10  001  0011  1000  001
   1065     TRCVMIDCVR5       = 0x89d1, // 10  001  0011  1010  001
   1066     TRCVMIDCVR6       = 0x89e1, // 10  001  0011  1100  001
   1067     TRCVMIDCVR7       = 0x89f1, // 10  001  0011  1110  001
   1068     TRCCIDCCTLR0      = 0x8982, // 10  001  0011  0000  010
   1069     TRCCIDCCTLR1      = 0x898a, // 10  001  0011  0001  010
   1070     TRCVMIDCCTLR0     = 0x8992, // 10  001  0011  0010  010
   1071     TRCVMIDCCTLR1     = 0x899a, // 10  001  0011  0011  010
   1072     TRCITCTRL         = 0x8b84, // 10  001  0111  0000  100
   1073     TRCCLAIMSET       = 0x8bc6, // 10  001  0111  1000  110
   1074     TRCCLAIMCLR       = 0x8bce, // 10  001  0111  1001  110
   1075 
   1076     // GICv3 registers
   1077     ICC_BPR1_EL1      = 0xc663, // 11  000  1100  1100  011
   1078     ICC_BPR0_EL1      = 0xc643, // 11  000  1100  1000  011
   1079     ICC_PMR_EL1       = 0xc230, // 11  000  0100  0110  000
   1080     ICC_CTLR_EL1      = 0xc664, // 11  000  1100  1100  100
   1081     ICC_CTLR_EL3      = 0xf664, // 11  110  1100  1100  100
   1082     ICC_SRE_EL1       = 0xc665, // 11  000  1100  1100  101
   1083     ICC_SRE_EL2       = 0xe64d, // 11  100  1100  1001  101
   1084     ICC_SRE_EL3       = 0xf665, // 11  110  1100  1100  101
   1085     ICC_IGRPEN0_EL1   = 0xc666, // 11  000  1100  1100  110
   1086     ICC_IGRPEN1_EL1   = 0xc667, // 11  000  1100  1100  111
   1087     ICC_IGRPEN1_EL3   = 0xf667, // 11  110  1100  1100  111
   1088     ICC_SEIEN_EL1     = 0xc668, // 11  000  1100  1101  000
   1089     ICC_AP0R0_EL1     = 0xc644, // 11  000  1100  1000  100
   1090     ICC_AP0R1_EL1     = 0xc645, // 11  000  1100  1000  101
   1091     ICC_AP0R2_EL1     = 0xc646, // 11  000  1100  1000  110
   1092     ICC_AP0R3_EL1     = 0xc647, // 11  000  1100  1000  111
   1093     ICC_AP1R0_EL1     = 0xc648, // 11  000  1100  1001  000
   1094     ICC_AP1R1_EL1     = 0xc649, // 11  000  1100  1001  001
   1095     ICC_AP1R2_EL1     = 0xc64a, // 11  000  1100  1001  010
   1096     ICC_AP1R3_EL1     = 0xc64b, // 11  000  1100  1001  011
   1097     ICH_AP0R0_EL2     = 0xe640, // 11  100  1100  1000  000
   1098     ICH_AP0R1_EL2     = 0xe641, // 11  100  1100  1000  001
   1099     ICH_AP0R2_EL2     = 0xe642, // 11  100  1100  1000  010
   1100     ICH_AP0R3_EL2     = 0xe643, // 11  100  1100  1000  011
   1101     ICH_AP1R0_EL2     = 0xe648, // 11  100  1100  1001  000
   1102     ICH_AP1R1_EL2     = 0xe649, // 11  100  1100  1001  001
   1103     ICH_AP1R2_EL2     = 0xe64a, // 11  100  1100  1001  010
   1104     ICH_AP1R3_EL2     = 0xe64b, // 11  100  1100  1001  011
   1105     ICH_HCR_EL2       = 0xe658, // 11  100  1100  1011  000
   1106     ICH_MISR_EL2      = 0xe65a, // 11  100  1100  1011  010
   1107     ICH_VMCR_EL2      = 0xe65f, // 11  100  1100  1011  111
   1108     ICH_VSEIR_EL2     = 0xe64c, // 11  100  1100  1001  100
   1109     ICH_LR0_EL2       = 0xe660, // 11  100  1100  1100  000
   1110     ICH_LR1_EL2       = 0xe661, // 11  100  1100  1100  001
   1111     ICH_LR2_EL2       = 0xe662, // 11  100  1100  1100  010
   1112     ICH_LR3_EL2       = 0xe663, // 11  100  1100  1100  011
   1113     ICH_LR4_EL2       = 0xe664, // 11  100  1100  1100  100
   1114     ICH_LR5_EL2       = 0xe665, // 11  100  1100  1100  101
   1115     ICH_LR6_EL2       = 0xe666, // 11  100  1100  1100  110
   1116     ICH_LR7_EL2       = 0xe667, // 11  100  1100  1100  111
   1117     ICH_LR8_EL2       = 0xe668, // 11  100  1100  1101  000
   1118     ICH_LR9_EL2       = 0xe669, // 11  100  1100  1101  001
   1119     ICH_LR10_EL2      = 0xe66a, // 11  100  1100  1101  010
   1120     ICH_LR11_EL2      = 0xe66b, // 11  100  1100  1101  011
   1121     ICH_LR12_EL2      = 0xe66c, // 11  100  1100  1101  100
   1122     ICH_LR13_EL2      = 0xe66d, // 11  100  1100  1101  101
   1123     ICH_LR14_EL2      = 0xe66e, // 11  100  1100  1101  110
   1124     ICH_LR15_EL2      = 0xe66f, // 11  100  1100  1101  111
   1125   };
   1126 
   1127   // Cyclone specific system registers
   1128   enum CycloneSysRegValues {
   1129     CPM_IOACC_CTL_EL3 = 0xff90
   1130   };
   1131 
   1132   // Note that these do not inherit from AArch64NamedImmMapper. This class is
   1133   // sufficiently different in its behaviour that I don't believe it's worth
   1134   // burdening the common AArch64NamedImmMapper with abstractions only needed in
   1135   // this one case.
   1136   struct SysRegMapper {
   1137     static const AArch64NamedImmMapper::Mapping SysRegPairs[];
   1138     static const AArch64NamedImmMapper::Mapping CycloneSysRegPairs[];
   1139 
   1140     const AArch64NamedImmMapper::Mapping *InstPairs;
   1141     size_t NumInstPairs;
   1142     uint64_t FeatureBits;
   1143 
   1144     SysRegMapper(uint64_t FeatureBits) : FeatureBits(FeatureBits) { }
   1145     uint32_t fromString(StringRef Name, bool &Valid) const;
   1146     std::string toString(uint32_t Bits, bool &Valid) const;
   1147   };
   1148 
   1149   struct MSRMapper : SysRegMapper {
   1150     static const AArch64NamedImmMapper::Mapping MSRPairs[];
   1151     MSRMapper(uint64_t FeatureBits);
   1152   };
   1153 
   1154   struct MRSMapper : SysRegMapper {
   1155     static const AArch64NamedImmMapper::Mapping MRSPairs[];
   1156     MRSMapper(uint64_t FeatureBits);
   1157   };
   1158 
   1159   uint32_t ParseGenericRegister(StringRef Name, bool &Valid);
   1160 }
   1161 
   1162 namespace AArch64TLBI {
   1163   enum TLBIValues {
   1164     Invalid = -1,          // Op0 Op1  CRn   CRm   Op2
   1165     IPAS2E1IS    = 0x6401, // 01  100  1000  0000  001
   1166     IPAS2LE1IS   = 0x6405, // 01  100  1000  0000  101
   1167     VMALLE1IS    = 0x4418, // 01  000  1000  0011  000
   1168     ALLE2IS      = 0x6418, // 01  100  1000  0011  000
   1169     ALLE3IS      = 0x7418, // 01  110  1000  0011  000
   1170     VAE1IS       = 0x4419, // 01  000  1000  0011  001
   1171     VAE2IS       = 0x6419, // 01  100  1000  0011  001
   1172     VAE3IS       = 0x7419, // 01  110  1000  0011  001
   1173     ASIDE1IS     = 0x441a, // 01  000  1000  0011  010
   1174     VAAE1IS      = 0x441b, // 01  000  1000  0011  011
   1175     ALLE1IS      = 0x641c, // 01  100  1000  0011  100
   1176     VALE1IS      = 0x441d, // 01  000  1000  0011  101
   1177     VALE2IS      = 0x641d, // 01  100  1000  0011  101
   1178     VALE3IS      = 0x741d, // 01  110  1000  0011  101
   1179     VMALLS12E1IS = 0x641e, // 01  100  1000  0011  110
   1180     VAALE1IS     = 0x441f, // 01  000  1000  0011  111
   1181     IPAS2E1      = 0x6421, // 01  100  1000  0100  001
   1182     IPAS2LE1     = 0x6425, // 01  100  1000  0100  101
   1183     VMALLE1      = 0x4438, // 01  000  1000  0111  000
   1184     ALLE2        = 0x6438, // 01  100  1000  0111  000
   1185     ALLE3        = 0x7438, // 01  110  1000  0111  000
   1186     VAE1         = 0x4439, // 01  000  1000  0111  001
   1187     VAE2         = 0x6439, // 01  100  1000  0111  001
   1188     VAE3         = 0x7439, // 01  110  1000  0111  001
   1189     ASIDE1       = 0x443a, // 01  000  1000  0111  010
   1190     VAAE1        = 0x443b, // 01  000  1000  0111  011
   1191     ALLE1        = 0x643c, // 01  100  1000  0111  100
   1192     VALE1        = 0x443d, // 01  000  1000  0111  101
   1193     VALE2        = 0x643d, // 01  100  1000  0111  101
   1194     VALE3        = 0x743d, // 01  110  1000  0111  101
   1195     VMALLS12E1   = 0x643e, // 01  100  1000  0111  110
   1196     VAALE1       = 0x443f  // 01  000  1000  0111  111
   1197   };
   1198 
   1199   struct TLBIMapper : AArch64NamedImmMapper {
   1200     const static Mapping TLBIPairs[];
   1201 
   1202     TLBIMapper();
   1203   };
   1204 
   1205   static inline bool NeedsRegister(TLBIValues Val) {
   1206     switch (Val) {
   1207     case VMALLE1IS:
   1208     case ALLE2IS:
   1209     case ALLE3IS:
   1210     case ALLE1IS:
   1211     case VMALLS12E1IS:
   1212     case VMALLE1:
   1213     case ALLE2:
   1214     case ALLE3:
   1215     case ALLE1:
   1216     case VMALLS12E1:
   1217       return false;
   1218     default:
   1219       return true;
   1220     }
   1221   }
   1222 }
   1223 
   1224 namespace AArch64II {
   1225   /// Target Operand Flag enum.
   1226   enum TOF {
   1227     //===------------------------------------------------------------------===//
   1228     // AArch64 Specific MachineOperand flags.
   1229 
   1230     MO_NO_FLAG,
   1231 
   1232     MO_FRAGMENT = 0x7,
   1233 
   1234     /// MO_PAGE - A symbol operand with this flag represents the pc-relative
   1235     /// offset of the 4K page containing the symbol.  This is used with the
   1236     /// ADRP instruction.
   1237     MO_PAGE = 1,
   1238 
   1239     /// MO_PAGEOFF - A symbol operand with this flag represents the offset of
   1240     /// that symbol within a 4K page.  This offset is added to the page address
   1241     /// to produce the complete address.
   1242     MO_PAGEOFF = 2,
   1243 
   1244     /// MO_G3 - A symbol operand with this flag (granule 3) represents the high
   1245     /// 16-bits of a 64-bit address, used in a MOVZ or MOVK instruction
   1246     MO_G3 = 3,
   1247 
   1248     /// MO_G2 - A symbol operand with this flag (granule 2) represents the bits
   1249     /// 32-47 of a 64-bit address, used in a MOVZ or MOVK instruction
   1250     MO_G2 = 4,
   1251 
   1252     /// MO_G1 - A symbol operand with this flag (granule 1) represents the bits
   1253     /// 16-31 of a 64-bit address, used in a MOVZ or MOVK instruction
   1254     MO_G1 = 5,
   1255 
   1256     /// MO_G0 - A symbol operand with this flag (granule 0) represents the bits
   1257     /// 0-15 of a 64-bit address, used in a MOVZ or MOVK instruction
   1258     MO_G0 = 6,
   1259 
   1260     /// MO_GOT - This flag indicates that a symbol operand represents the
   1261     /// address of the GOT entry for the symbol, rather than the address of
   1262     /// the symbol itself.
   1263     MO_GOT = 8,
   1264 
   1265     /// MO_NC - Indicates whether the linker is expected to check the symbol
   1266     /// reference for overflow. For example in an ADRP/ADD pair of relocations
   1267     /// the ADRP usually does check, but not the ADD.
   1268     MO_NC = 0x10,
   1269 
   1270     /// MO_TLS - Indicates that the operand being accessed is some kind of
   1271     /// thread-local symbol. On Darwin, only one type of thread-local access
   1272     /// exists (pre linker-relaxation), but on ELF the TLSModel used for the
   1273     /// referee will affect interpretation.
   1274     MO_TLS = 0x20
   1275   };
   1276 } // end namespace AArch64II
   1277 
   1278 } // end namespace llvm
   1279 
   1280 #endif
   1281