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 LLVM_LIB_TARGET_AARCH64_UTILS_AARCH64BASEINFO_H
18 #define LLVM_LIB_TARGET_AARCH64_UTILS_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 
getWRegFromXReg(unsigned Reg)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 
getXRegFromWReg(unsigned Reg)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 
getBRegFromDReg(unsigned Reg)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 
getDRegFromBReg(unsigned Reg)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 
getCondCodeName(CondCode Code)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 
getInvertedCondCode(CondCode Code)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.
getNZCVToSatisfyCondCode(CondCode Code)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     uint64_t AvailableForFeatures;
284     // empty AvailableForFeatures means "always-on"
285     bool isNameEqual(std::string Other, uint64_t FeatureBits=~0ULL) const {
286       if (AvailableForFeatures && !(AvailableForFeatures & FeatureBits))
287         return false;
288       return Name == Other;
289     }
290     bool isValueEqual(uint32_t Other, uint64_t FeatureBits=~0ULL) const {
291       if (AvailableForFeatures && !(AvailableForFeatures & FeatureBits))
292         return false;
293       return Value == Other;
294     }
295   };
296 
297   template<int N>
AArch64NamedImmMapperAArch64NamedImmMapper298   AArch64NamedImmMapper(const Mapping (&Mappings)[N], uint32_t TooBigImm)
299     : Mappings(&Mappings[0]), NumMappings(N), TooBigImm(TooBigImm) {}
300 
301   StringRef toString(uint32_t Value, uint64_t FeatureBits, bool &Valid) const;
302   uint32_t fromString(StringRef Name, uint64_t FeatureBits, bool &Valid) const;
303 
304   /// Many of the instructions allow an alternative assembly form consisting of
305   /// a simple immediate. Currently the only valid forms are ranges [0, N) where
306   /// N being 0 indicates no immediate syntax-form is allowed.
307   bool validImm(uint32_t Value) const;
308 protected:
309   const Mapping *Mappings;
310   size_t NumMappings;
311   uint32_t TooBigImm;
312 };
313 
314 namespace AArch64AT {
315   enum ATValues {
316     Invalid = -1,    // Op0 Op1  CRn   CRm   Op2
317     S1E1R = 0x43c0,  // 01  000  0111  1000  000
318     S1E2R = 0x63c0,  // 01  100  0111  1000  000
319     S1E3R = 0x73c0,  // 01  110  0111  1000  000
320     S1E1W = 0x43c1,  // 01  000  0111  1000  001
321     S1E2W = 0x63c1,  // 01  100  0111  1000  001
322     S1E3W = 0x73c1,  // 01  110  0111  1000  001
323     S1E0R = 0x43c2,  // 01  000  0111  1000  010
324     S1E0W = 0x43c3,  // 01  000  0111  1000  011
325     S12E1R = 0x63c4, // 01  100  0111  1000  100
326     S12E1W = 0x63c5, // 01  100  0111  1000  101
327     S12E0R = 0x63c6, // 01  100  0111  1000  110
328     S12E0W = 0x63c7  // 01  100  0111  1000  111
329   };
330 
331   struct ATMapper : AArch64NamedImmMapper {
332     const static Mapping ATMappings[];
333 
334     ATMapper();
335   };
336 
337 }
338 namespace AArch64DB {
339   enum DBValues {
340     Invalid = -1,
341     OSHLD = 0x1,
342     OSHST = 0x2,
343     OSH =   0x3,
344     NSHLD = 0x5,
345     NSHST = 0x6,
346     NSH =   0x7,
347     ISHLD = 0x9,
348     ISHST = 0xa,
349     ISH =   0xb,
350     LD =    0xd,
351     ST =    0xe,
352     SY =    0xf
353   };
354 
355   struct DBarrierMapper : AArch64NamedImmMapper {
356     const static Mapping DBarrierMappings[];
357 
358     DBarrierMapper();
359   };
360 }
361 
362 namespace  AArch64DC {
363   enum DCValues {
364     Invalid = -1,   // Op1  CRn   CRm   Op2
365     ZVA   = 0x5ba1, // 01  011  0111  0100  001
366     IVAC  = 0x43b1, // 01  000  0111  0110  001
367     ISW   = 0x43b2, // 01  000  0111  0110  010
368     CVAC  = 0x5bd1, // 01  011  0111  1010  001
369     CSW   = 0x43d2, // 01  000  0111  1010  010
370     CVAU  = 0x5bd9, // 01  011  0111  1011  001
371     CIVAC = 0x5bf1, // 01  011  0111  1110  001
372     CISW  = 0x43f2  // 01  000  0111  1110  010
373   };
374 
375   struct DCMapper : AArch64NamedImmMapper {
376     const static Mapping DCMappings[];
377 
378     DCMapper();
379   };
380 
381 }
382 
383 namespace  AArch64IC {
384   enum ICValues {
385     Invalid = -1,     // Op1  CRn   CRm   Op2
386     IALLUIS = 0x0388, // 000  0111  0001  000
387     IALLU = 0x03a8,   // 000  0111  0101  000
388     IVAU = 0x1ba9     // 011  0111  0101  001
389   };
390 
391 
392   struct ICMapper : AArch64NamedImmMapper {
393     const static Mapping ICMappings[];
394 
395     ICMapper();
396   };
397 
NeedsRegister(ICValues Val)398   static inline bool NeedsRegister(ICValues Val) {
399     return Val == IVAU;
400   }
401 }
402 
403 namespace  AArch64ISB {
404   enum ISBValues {
405     Invalid = -1,
406     SY = 0xf
407   };
408   struct ISBMapper : AArch64NamedImmMapper {
409     const static Mapping ISBMappings[];
410 
411     ISBMapper();
412   };
413 }
414 
415 namespace AArch64PRFM {
416   enum PRFMValues {
417     Invalid = -1,
418     PLDL1KEEP = 0x00,
419     PLDL1STRM = 0x01,
420     PLDL2KEEP = 0x02,
421     PLDL2STRM = 0x03,
422     PLDL3KEEP = 0x04,
423     PLDL3STRM = 0x05,
424     PLIL1KEEP = 0x08,
425     PLIL1STRM = 0x09,
426     PLIL2KEEP = 0x0a,
427     PLIL2STRM = 0x0b,
428     PLIL3KEEP = 0x0c,
429     PLIL3STRM = 0x0d,
430     PSTL1KEEP = 0x10,
431     PSTL1STRM = 0x11,
432     PSTL2KEEP = 0x12,
433     PSTL2STRM = 0x13,
434     PSTL3KEEP = 0x14,
435     PSTL3STRM = 0x15
436   };
437 
438   struct PRFMMapper : AArch64NamedImmMapper {
439     const static Mapping PRFMMappings[];
440 
441     PRFMMapper();
442   };
443 }
444 
445 namespace AArch64PState {
446   enum PStateValues {
447     Invalid = -1,
448     SPSel = 0x05,
449     DAIFSet = 0x1e,
450     DAIFClr = 0x1f,
451 
452     // v8.1a "Privileged Access Never" extension-specific PStates
453     PAN = 0x04,
454   };
455 
456   struct PStateMapper : AArch64NamedImmMapper {
457     const static Mapping PStateMappings[];
458 
459     PStateMapper();
460   };
461 
462 }
463 
464 namespace AArch64SE {
465     enum ShiftExtSpecifiers {
466         Invalid = -1,
467         LSL,
468         MSL,
469         LSR,
470         ASR,
471         ROR,
472 
473         UXTB,
474         UXTH,
475         UXTW,
476         UXTX,
477 
478         SXTB,
479         SXTH,
480         SXTW,
481         SXTX
482     };
483 }
484 
485 namespace AArch64Layout {
486     enum VectorLayout {
487         Invalid = -1,
488         VL_8B,
489         VL_4H,
490         VL_2S,
491         VL_1D,
492 
493         VL_16B,
494         VL_8H,
495         VL_4S,
496         VL_2D,
497 
498         // Bare layout for the 128-bit vector
499         // (only show ".b", ".h", ".s", ".d" without vector number)
500         VL_B,
501         VL_H,
502         VL_S,
503         VL_D
504     };
505 }
506 
507 inline static const char *
AArch64VectorLayoutToString(AArch64Layout::VectorLayout Layout)508 AArch64VectorLayoutToString(AArch64Layout::VectorLayout Layout) {
509   switch (Layout) {
510   case AArch64Layout::VL_8B:  return ".8b";
511   case AArch64Layout::VL_4H:  return ".4h";
512   case AArch64Layout::VL_2S:  return ".2s";
513   case AArch64Layout::VL_1D:  return ".1d";
514   case AArch64Layout::VL_16B:  return ".16b";
515   case AArch64Layout::VL_8H:  return ".8h";
516   case AArch64Layout::VL_4S:  return ".4s";
517   case AArch64Layout::VL_2D:  return ".2d";
518   case AArch64Layout::VL_B:  return ".b";
519   case AArch64Layout::VL_H:  return ".h";
520   case AArch64Layout::VL_S:  return ".s";
521   case AArch64Layout::VL_D:  return ".d";
522   default: llvm_unreachable("Unknown Vector Layout");
523   }
524 }
525 
526 inline static AArch64Layout::VectorLayout
AArch64StringToVectorLayout(StringRef LayoutStr)527 AArch64StringToVectorLayout(StringRef LayoutStr) {
528   return StringSwitch<AArch64Layout::VectorLayout>(LayoutStr)
529              .Case(".8b", AArch64Layout::VL_8B)
530              .Case(".4h", AArch64Layout::VL_4H)
531              .Case(".2s", AArch64Layout::VL_2S)
532              .Case(".1d", AArch64Layout::VL_1D)
533              .Case(".16b", AArch64Layout::VL_16B)
534              .Case(".8h", AArch64Layout::VL_8H)
535              .Case(".4s", AArch64Layout::VL_4S)
536              .Case(".2d", AArch64Layout::VL_2D)
537              .Case(".b", AArch64Layout::VL_B)
538              .Case(".h", AArch64Layout::VL_H)
539              .Case(".s", AArch64Layout::VL_S)
540              .Case(".d", AArch64Layout::VL_D)
541              .Default(AArch64Layout::Invalid);
542 }
543 
544 namespace AArch64SysReg {
545   enum SysRegROValues {
546     MDCCSR_EL0        = 0x9808, // 10  011  0000  0001  000
547     DBGDTRRX_EL0      = 0x9828, // 10  011  0000  0101  000
548     MDRAR_EL1         = 0x8080, // 10  000  0001  0000  000
549     OSLSR_EL1         = 0x808c, // 10  000  0001  0001  100
550     DBGAUTHSTATUS_EL1 = 0x83f6, // 10  000  0111  1110  110
551     PMCEID0_EL0       = 0xdce6, // 11  011  1001  1100  110
552     PMCEID1_EL0       = 0xdce7, // 11  011  1001  1100  111
553     MIDR_EL1          = 0xc000, // 11  000  0000  0000  000
554     CCSIDR_EL1        = 0xc800, // 11  001  0000  0000  000
555     CLIDR_EL1         = 0xc801, // 11  001  0000  0000  001
556     CTR_EL0           = 0xd801, // 11  011  0000  0000  001
557     MPIDR_EL1         = 0xc005, // 11  000  0000  0000  101
558     REVIDR_EL1        = 0xc006, // 11  000  0000  0000  110
559     AIDR_EL1          = 0xc807, // 11  001  0000  0000  111
560     DCZID_EL0         = 0xd807, // 11  011  0000  0000  111
561     ID_PFR0_EL1       = 0xc008, // 11  000  0000  0001  000
562     ID_PFR1_EL1       = 0xc009, // 11  000  0000  0001  001
563     ID_DFR0_EL1       = 0xc00a, // 11  000  0000  0001  010
564     ID_AFR0_EL1       = 0xc00b, // 11  000  0000  0001  011
565     ID_MMFR0_EL1      = 0xc00c, // 11  000  0000  0001  100
566     ID_MMFR1_EL1      = 0xc00d, // 11  000  0000  0001  101
567     ID_MMFR2_EL1      = 0xc00e, // 11  000  0000  0001  110
568     ID_MMFR3_EL1      = 0xc00f, // 11  000  0000  0001  111
569     ID_ISAR0_EL1      = 0xc010, // 11  000  0000  0010  000
570     ID_ISAR1_EL1      = 0xc011, // 11  000  0000  0010  001
571     ID_ISAR2_EL1      = 0xc012, // 11  000  0000  0010  010
572     ID_ISAR3_EL1      = 0xc013, // 11  000  0000  0010  011
573     ID_ISAR4_EL1      = 0xc014, // 11  000  0000  0010  100
574     ID_ISAR5_EL1      = 0xc015, // 11  000  0000  0010  101
575     ID_A64PFR0_EL1    = 0xc020, // 11  000  0000  0100  000
576     ID_A64PFR1_EL1    = 0xc021, // 11  000  0000  0100  001
577     ID_A64DFR0_EL1    = 0xc028, // 11  000  0000  0101  000
578     ID_A64DFR1_EL1    = 0xc029, // 11  000  0000  0101  001
579     ID_A64AFR0_EL1    = 0xc02c, // 11  000  0000  0101  100
580     ID_A64AFR1_EL1    = 0xc02d, // 11  000  0000  0101  101
581     ID_A64ISAR0_EL1   = 0xc030, // 11  000  0000  0110  000
582     ID_A64ISAR1_EL1   = 0xc031, // 11  000  0000  0110  001
583     ID_A64MMFR0_EL1   = 0xc038, // 11  000  0000  0111  000
584     ID_A64MMFR1_EL1   = 0xc039, // 11  000  0000  0111  001
585     MVFR0_EL1         = 0xc018, // 11  000  0000  0011  000
586     MVFR1_EL1         = 0xc019, // 11  000  0000  0011  001
587     MVFR2_EL1         = 0xc01a, // 11  000  0000  0011  010
588     RVBAR_EL1         = 0xc601, // 11  000  1100  0000  001
589     RVBAR_EL2         = 0xe601, // 11  100  1100  0000  001
590     RVBAR_EL3         = 0xf601, // 11  110  1100  0000  001
591     ISR_EL1           = 0xc608, // 11  000  1100  0001  000
592     CNTPCT_EL0        = 0xdf01, // 11  011  1110  0000  001
593     CNTVCT_EL0        = 0xdf02,  // 11  011  1110  0000  010
594 
595     // Trace registers
596     TRCSTATR          = 0x8818, // 10  001  0000  0011  000
597     TRCIDR8           = 0x8806, // 10  001  0000  0000  110
598     TRCIDR9           = 0x880e, // 10  001  0000  0001  110
599     TRCIDR10          = 0x8816, // 10  001  0000  0010  110
600     TRCIDR11          = 0x881e, // 10  001  0000  0011  110
601     TRCIDR12          = 0x8826, // 10  001  0000  0100  110
602     TRCIDR13          = 0x882e, // 10  001  0000  0101  110
603     TRCIDR0           = 0x8847, // 10  001  0000  1000  111
604     TRCIDR1           = 0x884f, // 10  001  0000  1001  111
605     TRCIDR2           = 0x8857, // 10  001  0000  1010  111
606     TRCIDR3           = 0x885f, // 10  001  0000  1011  111
607     TRCIDR4           = 0x8867, // 10  001  0000  1100  111
608     TRCIDR5           = 0x886f, // 10  001  0000  1101  111
609     TRCIDR6           = 0x8877, // 10  001  0000  1110  111
610     TRCIDR7           = 0x887f, // 10  001  0000  1111  111
611     TRCOSLSR          = 0x888c, // 10  001  0001  0001  100
612     TRCPDSR           = 0x88ac, // 10  001  0001  0101  100
613     TRCDEVAFF0        = 0x8bd6, // 10  001  0111  1010  110
614     TRCDEVAFF1        = 0x8bde, // 10  001  0111  1011  110
615     TRCLSR            = 0x8bee, // 10  001  0111  1101  110
616     TRCAUTHSTATUS     = 0x8bf6, // 10  001  0111  1110  110
617     TRCDEVARCH        = 0x8bfe, // 10  001  0111  1111  110
618     TRCDEVID          = 0x8b97, // 10  001  0111  0010  111
619     TRCDEVTYPE        = 0x8b9f, // 10  001  0111  0011  111
620     TRCPIDR4          = 0x8ba7, // 10  001  0111  0100  111
621     TRCPIDR5          = 0x8baf, // 10  001  0111  0101  111
622     TRCPIDR6          = 0x8bb7, // 10  001  0111  0110  111
623     TRCPIDR7          = 0x8bbf, // 10  001  0111  0111  111
624     TRCPIDR0          = 0x8bc7, // 10  001  0111  1000  111
625     TRCPIDR1          = 0x8bcf, // 10  001  0111  1001  111
626     TRCPIDR2          = 0x8bd7, // 10  001  0111  1010  111
627     TRCPIDR3          = 0x8bdf, // 10  001  0111  1011  111
628     TRCCIDR0          = 0x8be7, // 10  001  0111  1100  111
629     TRCCIDR1          = 0x8bef, // 10  001  0111  1101  111
630     TRCCIDR2          = 0x8bf7, // 10  001  0111  1110  111
631     TRCCIDR3          = 0x8bff, // 10  001  0111  1111  111
632 
633     // GICv3 registers
634     ICC_IAR1_EL1      = 0xc660, // 11  000  1100  1100  000
635     ICC_IAR0_EL1      = 0xc640, // 11  000  1100  1000  000
636     ICC_HPPIR1_EL1    = 0xc662, // 11  000  1100  1100  010
637     ICC_HPPIR0_EL1    = 0xc642, // 11  000  1100  1000  010
638     ICC_RPR_EL1       = 0xc65b, // 11  000  1100  1011  011
639     ICH_VTR_EL2       = 0xe659, // 11  100  1100  1011  001
640     ICH_EISR_EL2      = 0xe65b, // 11  100  1100  1011  011
641     ICH_ELSR_EL2      = 0xe65d  // 11  100  1100  1011  101
642   };
643 
644   enum SysRegWOValues {
645     DBGDTRTX_EL0      = 0x9828, // 10  011  0000  0101  000
646     OSLAR_EL1         = 0x8084, // 10  000  0001  0000  100
647     PMSWINC_EL0       = 0xdce4,  // 11  011  1001  1100  100
648 
649     // Trace Registers
650     TRCOSLAR          = 0x8884, // 10  001  0001  0000  100
651     TRCLAR            = 0x8be6, // 10  001  0111  1100  110
652 
653     // GICv3 registers
654     ICC_EOIR1_EL1     = 0xc661, // 11  000  1100  1100  001
655     ICC_EOIR0_EL1     = 0xc641, // 11  000  1100  1000  001
656     ICC_DIR_EL1       = 0xc659, // 11  000  1100  1011  001
657     ICC_SGI1R_EL1     = 0xc65d, // 11  000  1100  1011  101
658     ICC_ASGI1R_EL1    = 0xc65e, // 11  000  1100  1011  110
659     ICC_SGI0R_EL1     = 0xc65f  // 11  000  1100  1011  111
660   };
661 
662   enum SysRegValues {
663     Invalid = -1,               // Op0 Op1  CRn   CRm   Op2
664     OSDTRRX_EL1       = 0x8002, // 10  000  0000  0000  010
665     OSDTRTX_EL1       = 0x801a, // 10  000  0000  0011  010
666     TEECR32_EL1       = 0x9000, // 10  010  0000  0000  000
667     MDCCINT_EL1       = 0x8010, // 10  000  0000  0010  000
668     MDSCR_EL1         = 0x8012, // 10  000  0000  0010  010
669     DBGDTR_EL0        = 0x9820, // 10  011  0000  0100  000
670     OSECCR_EL1        = 0x8032, // 10  000  0000  0110  010
671     DBGVCR32_EL2      = 0xa038, // 10  100  0000  0111  000
672     DBGBVR0_EL1       = 0x8004, // 10  000  0000  0000  100
673     DBGBVR1_EL1       = 0x800c, // 10  000  0000  0001  100
674     DBGBVR2_EL1       = 0x8014, // 10  000  0000  0010  100
675     DBGBVR3_EL1       = 0x801c, // 10  000  0000  0011  100
676     DBGBVR4_EL1       = 0x8024, // 10  000  0000  0100  100
677     DBGBVR5_EL1       = 0x802c, // 10  000  0000  0101  100
678     DBGBVR6_EL1       = 0x8034, // 10  000  0000  0110  100
679     DBGBVR7_EL1       = 0x803c, // 10  000  0000  0111  100
680     DBGBVR8_EL1       = 0x8044, // 10  000  0000  1000  100
681     DBGBVR9_EL1       = 0x804c, // 10  000  0000  1001  100
682     DBGBVR10_EL1      = 0x8054, // 10  000  0000  1010  100
683     DBGBVR11_EL1      = 0x805c, // 10  000  0000  1011  100
684     DBGBVR12_EL1      = 0x8064, // 10  000  0000  1100  100
685     DBGBVR13_EL1      = 0x806c, // 10  000  0000  1101  100
686     DBGBVR14_EL1      = 0x8074, // 10  000  0000  1110  100
687     DBGBVR15_EL1      = 0x807c, // 10  000  0000  1111  100
688     DBGBCR0_EL1       = 0x8005, // 10  000  0000  0000  101
689     DBGBCR1_EL1       = 0x800d, // 10  000  0000  0001  101
690     DBGBCR2_EL1       = 0x8015, // 10  000  0000  0010  101
691     DBGBCR3_EL1       = 0x801d, // 10  000  0000  0011  101
692     DBGBCR4_EL1       = 0x8025, // 10  000  0000  0100  101
693     DBGBCR5_EL1       = 0x802d, // 10  000  0000  0101  101
694     DBGBCR6_EL1       = 0x8035, // 10  000  0000  0110  101
695     DBGBCR7_EL1       = 0x803d, // 10  000  0000  0111  101
696     DBGBCR8_EL1       = 0x8045, // 10  000  0000  1000  101
697     DBGBCR9_EL1       = 0x804d, // 10  000  0000  1001  101
698     DBGBCR10_EL1      = 0x8055, // 10  000  0000  1010  101
699     DBGBCR11_EL1      = 0x805d, // 10  000  0000  1011  101
700     DBGBCR12_EL1      = 0x8065, // 10  000  0000  1100  101
701     DBGBCR13_EL1      = 0x806d, // 10  000  0000  1101  101
702     DBGBCR14_EL1      = 0x8075, // 10  000  0000  1110  101
703     DBGBCR15_EL1      = 0x807d, // 10  000  0000  1111  101
704     DBGWVR0_EL1       = 0x8006, // 10  000  0000  0000  110
705     DBGWVR1_EL1       = 0x800e, // 10  000  0000  0001  110
706     DBGWVR2_EL1       = 0x8016, // 10  000  0000  0010  110
707     DBGWVR3_EL1       = 0x801e, // 10  000  0000  0011  110
708     DBGWVR4_EL1       = 0x8026, // 10  000  0000  0100  110
709     DBGWVR5_EL1       = 0x802e, // 10  000  0000  0101  110
710     DBGWVR6_EL1       = 0x8036, // 10  000  0000  0110  110
711     DBGWVR7_EL1       = 0x803e, // 10  000  0000  0111  110
712     DBGWVR8_EL1       = 0x8046, // 10  000  0000  1000  110
713     DBGWVR9_EL1       = 0x804e, // 10  000  0000  1001  110
714     DBGWVR10_EL1      = 0x8056, // 10  000  0000  1010  110
715     DBGWVR11_EL1      = 0x805e, // 10  000  0000  1011  110
716     DBGWVR12_EL1      = 0x8066, // 10  000  0000  1100  110
717     DBGWVR13_EL1      = 0x806e, // 10  000  0000  1101  110
718     DBGWVR14_EL1      = 0x8076, // 10  000  0000  1110  110
719     DBGWVR15_EL1      = 0x807e, // 10  000  0000  1111  110
720     DBGWCR0_EL1       = 0x8007, // 10  000  0000  0000  111
721     DBGWCR1_EL1       = 0x800f, // 10  000  0000  0001  111
722     DBGWCR2_EL1       = 0x8017, // 10  000  0000  0010  111
723     DBGWCR3_EL1       = 0x801f, // 10  000  0000  0011  111
724     DBGWCR4_EL1       = 0x8027, // 10  000  0000  0100  111
725     DBGWCR5_EL1       = 0x802f, // 10  000  0000  0101  111
726     DBGWCR6_EL1       = 0x8037, // 10  000  0000  0110  111
727     DBGWCR7_EL1       = 0x803f, // 10  000  0000  0111  111
728     DBGWCR8_EL1       = 0x8047, // 10  000  0000  1000  111
729     DBGWCR9_EL1       = 0x804f, // 10  000  0000  1001  111
730     DBGWCR10_EL1      = 0x8057, // 10  000  0000  1010  111
731     DBGWCR11_EL1      = 0x805f, // 10  000  0000  1011  111
732     DBGWCR12_EL1      = 0x8067, // 10  000  0000  1100  111
733     DBGWCR13_EL1      = 0x806f, // 10  000  0000  1101  111
734     DBGWCR14_EL1      = 0x8077, // 10  000  0000  1110  111
735     DBGWCR15_EL1      = 0x807f, // 10  000  0000  1111  111
736     TEEHBR32_EL1      = 0x9080, // 10  010  0001  0000  000
737     OSDLR_EL1         = 0x809c, // 10  000  0001  0011  100
738     DBGPRCR_EL1       = 0x80a4, // 10  000  0001  0100  100
739     DBGCLAIMSET_EL1   = 0x83c6, // 10  000  0111  1000  110
740     DBGCLAIMCLR_EL1   = 0x83ce, // 10  000  0111  1001  110
741     CSSELR_EL1        = 0xd000, // 11  010  0000  0000  000
742     VPIDR_EL2         = 0xe000, // 11  100  0000  0000  000
743     VMPIDR_EL2        = 0xe005, // 11  100  0000  0000  101
744     CPACR_EL1         = 0xc082, // 11  000  0001  0000  010
745     SCTLR_EL1         = 0xc080, // 11  000  0001  0000  000
746     SCTLR_EL2         = 0xe080, // 11  100  0001  0000  000
747     SCTLR_EL3         = 0xf080, // 11  110  0001  0000  000
748     ACTLR_EL1         = 0xc081, // 11  000  0001  0000  001
749     ACTLR_EL2         = 0xe081, // 11  100  0001  0000  001
750     ACTLR_EL3         = 0xf081, // 11  110  0001  0000  001
751     HCR_EL2           = 0xe088, // 11  100  0001  0001  000
752     SCR_EL3           = 0xf088, // 11  110  0001  0001  000
753     MDCR_EL2          = 0xe089, // 11  100  0001  0001  001
754     SDER32_EL3        = 0xf089, // 11  110  0001  0001  001
755     CPTR_EL2          = 0xe08a, // 11  100  0001  0001  010
756     CPTR_EL3          = 0xf08a, // 11  110  0001  0001  010
757     HSTR_EL2          = 0xe08b, // 11  100  0001  0001  011
758     HACR_EL2          = 0xe08f, // 11  100  0001  0001  111
759     MDCR_EL3          = 0xf099, // 11  110  0001  0011  001
760     TTBR0_EL1         = 0xc100, // 11  000  0010  0000  000
761     TTBR0_EL2         = 0xe100, // 11  100  0010  0000  000
762     TTBR0_EL3         = 0xf100, // 11  110  0010  0000  000
763     TTBR1_EL1         = 0xc101, // 11  000  0010  0000  001
764     TCR_EL1           = 0xc102, // 11  000  0010  0000  010
765     TCR_EL2           = 0xe102, // 11  100  0010  0000  010
766     TCR_EL3           = 0xf102, // 11  110  0010  0000  010
767     VTTBR_EL2         = 0xe108, // 11  100  0010  0001  000
768     VTCR_EL2          = 0xe10a, // 11  100  0010  0001  010
769     DACR32_EL2        = 0xe180, // 11  100  0011  0000  000
770     SPSR_EL1          = 0xc200, // 11  000  0100  0000  000
771     SPSR_EL2          = 0xe200, // 11  100  0100  0000  000
772     SPSR_EL3          = 0xf200, // 11  110  0100  0000  000
773     ELR_EL1           = 0xc201, // 11  000  0100  0000  001
774     ELR_EL2           = 0xe201, // 11  100  0100  0000  001
775     ELR_EL3           = 0xf201, // 11  110  0100  0000  001
776     SP_EL0            = 0xc208, // 11  000  0100  0001  000
777     SP_EL1            = 0xe208, // 11  100  0100  0001  000
778     SP_EL2            = 0xf208, // 11  110  0100  0001  000
779     SPSel             = 0xc210, // 11  000  0100  0010  000
780     NZCV              = 0xda10, // 11  011  0100  0010  000
781     DAIF              = 0xda11, // 11  011  0100  0010  001
782     CurrentEL         = 0xc212, // 11  000  0100  0010  010
783     SPSR_irq          = 0xe218, // 11  100  0100  0011  000
784     SPSR_abt          = 0xe219, // 11  100  0100  0011  001
785     SPSR_und          = 0xe21a, // 11  100  0100  0011  010
786     SPSR_fiq          = 0xe21b, // 11  100  0100  0011  011
787     FPCR              = 0xda20, // 11  011  0100  0100  000
788     FPSR              = 0xda21, // 11  011  0100  0100  001
789     DSPSR_EL0         = 0xda28, // 11  011  0100  0101  000
790     DLR_EL0           = 0xda29, // 11  011  0100  0101  001
791     IFSR32_EL2        = 0xe281, // 11  100  0101  0000  001
792     AFSR0_EL1         = 0xc288, // 11  000  0101  0001  000
793     AFSR0_EL2         = 0xe288, // 11  100  0101  0001  000
794     AFSR0_EL3         = 0xf288, // 11  110  0101  0001  000
795     AFSR1_EL1         = 0xc289, // 11  000  0101  0001  001
796     AFSR1_EL2         = 0xe289, // 11  100  0101  0001  001
797     AFSR1_EL3         = 0xf289, // 11  110  0101  0001  001
798     ESR_EL1           = 0xc290, // 11  000  0101  0010  000
799     ESR_EL2           = 0xe290, // 11  100  0101  0010  000
800     ESR_EL3           = 0xf290, // 11  110  0101  0010  000
801     FPEXC32_EL2       = 0xe298, // 11  100  0101  0011  000
802     FAR_EL1           = 0xc300, // 11  000  0110  0000  000
803     FAR_EL2           = 0xe300, // 11  100  0110  0000  000
804     FAR_EL3           = 0xf300, // 11  110  0110  0000  000
805     HPFAR_EL2         = 0xe304, // 11  100  0110  0000  100
806     PAR_EL1           = 0xc3a0, // 11  000  0111  0100  000
807     PMCR_EL0          = 0xdce0, // 11  011  1001  1100  000
808     PMCNTENSET_EL0    = 0xdce1, // 11  011  1001  1100  001
809     PMCNTENCLR_EL0    = 0xdce2, // 11  011  1001  1100  010
810     PMOVSCLR_EL0      = 0xdce3, // 11  011  1001  1100  011
811     PMSELR_EL0        = 0xdce5, // 11  011  1001  1100  101
812     PMCCNTR_EL0       = 0xdce8, // 11  011  1001  1101  000
813     PMXEVTYPER_EL0    = 0xdce9, // 11  011  1001  1101  001
814     PMXEVCNTR_EL0     = 0xdcea, // 11  011  1001  1101  010
815     PMUSERENR_EL0     = 0xdcf0, // 11  011  1001  1110  000
816     PMINTENSET_EL1    = 0xc4f1, // 11  000  1001  1110  001
817     PMINTENCLR_EL1    = 0xc4f2, // 11  000  1001  1110  010
818     PMOVSSET_EL0      = 0xdcf3, // 11  011  1001  1110  011
819     MAIR_EL1          = 0xc510, // 11  000  1010  0010  000
820     MAIR_EL2          = 0xe510, // 11  100  1010  0010  000
821     MAIR_EL3          = 0xf510, // 11  110  1010  0010  000
822     AMAIR_EL1         = 0xc518, // 11  000  1010  0011  000
823     AMAIR_EL2         = 0xe518, // 11  100  1010  0011  000
824     AMAIR_EL3         = 0xf518, // 11  110  1010  0011  000
825     VBAR_EL1          = 0xc600, // 11  000  1100  0000  000
826     VBAR_EL2          = 0xe600, // 11  100  1100  0000  000
827     VBAR_EL3          = 0xf600, // 11  110  1100  0000  000
828     RMR_EL1           = 0xc602, // 11  000  1100  0000  010
829     RMR_EL2           = 0xe602, // 11  100  1100  0000  010
830     RMR_EL3           = 0xf602, // 11  110  1100  0000  010
831     CONTEXTIDR_EL1    = 0xc681, // 11  000  1101  0000  001
832     TPIDR_EL0         = 0xde82, // 11  011  1101  0000  010
833     TPIDR_EL2         = 0xe682, // 11  100  1101  0000  010
834     TPIDR_EL3         = 0xf682, // 11  110  1101  0000  010
835     TPIDRRO_EL0       = 0xde83, // 11  011  1101  0000  011
836     TPIDR_EL1         = 0xc684, // 11  000  1101  0000  100
837     CNTFRQ_EL0        = 0xdf00, // 11  011  1110  0000  000
838     CNTVOFF_EL2       = 0xe703, // 11  100  1110  0000  011
839     CNTKCTL_EL1       = 0xc708, // 11  000  1110  0001  000
840     CNTHCTL_EL2       = 0xe708, // 11  100  1110  0001  000
841     CNTP_TVAL_EL0     = 0xdf10, // 11  011  1110  0010  000
842     CNTHP_TVAL_EL2    = 0xe710, // 11  100  1110  0010  000
843     CNTPS_TVAL_EL1    = 0xff10, // 11  111  1110  0010  000
844     CNTP_CTL_EL0      = 0xdf11, // 11  011  1110  0010  001
845     CNTHP_CTL_EL2     = 0xe711, // 11  100  1110  0010  001
846     CNTPS_CTL_EL1     = 0xff11, // 11  111  1110  0010  001
847     CNTP_CVAL_EL0     = 0xdf12, // 11  011  1110  0010  010
848     CNTHP_CVAL_EL2    = 0xe712, // 11  100  1110  0010  010
849     CNTPS_CVAL_EL1    = 0xff12, // 11  111  1110  0010  010
850     CNTV_TVAL_EL0     = 0xdf18, // 11  011  1110  0011  000
851     CNTV_CTL_EL0      = 0xdf19, // 11  011  1110  0011  001
852     CNTV_CVAL_EL0     = 0xdf1a, // 11  011  1110  0011  010
853     PMEVCNTR0_EL0     = 0xdf40, // 11  011  1110  1000  000
854     PMEVCNTR1_EL0     = 0xdf41, // 11  011  1110  1000  001
855     PMEVCNTR2_EL0     = 0xdf42, // 11  011  1110  1000  010
856     PMEVCNTR3_EL0     = 0xdf43, // 11  011  1110  1000  011
857     PMEVCNTR4_EL0     = 0xdf44, // 11  011  1110  1000  100
858     PMEVCNTR5_EL0     = 0xdf45, // 11  011  1110  1000  101
859     PMEVCNTR6_EL0     = 0xdf46, // 11  011  1110  1000  110
860     PMEVCNTR7_EL0     = 0xdf47, // 11  011  1110  1000  111
861     PMEVCNTR8_EL0     = 0xdf48, // 11  011  1110  1001  000
862     PMEVCNTR9_EL0     = 0xdf49, // 11  011  1110  1001  001
863     PMEVCNTR10_EL0    = 0xdf4a, // 11  011  1110  1001  010
864     PMEVCNTR11_EL0    = 0xdf4b, // 11  011  1110  1001  011
865     PMEVCNTR12_EL0    = 0xdf4c, // 11  011  1110  1001  100
866     PMEVCNTR13_EL0    = 0xdf4d, // 11  011  1110  1001  101
867     PMEVCNTR14_EL0    = 0xdf4e, // 11  011  1110  1001  110
868     PMEVCNTR15_EL0    = 0xdf4f, // 11  011  1110  1001  111
869     PMEVCNTR16_EL0    = 0xdf50, // 11  011  1110  1010  000
870     PMEVCNTR17_EL0    = 0xdf51, // 11  011  1110  1010  001
871     PMEVCNTR18_EL0    = 0xdf52, // 11  011  1110  1010  010
872     PMEVCNTR19_EL0    = 0xdf53, // 11  011  1110  1010  011
873     PMEVCNTR20_EL0    = 0xdf54, // 11  011  1110  1010  100
874     PMEVCNTR21_EL0    = 0xdf55, // 11  011  1110  1010  101
875     PMEVCNTR22_EL0    = 0xdf56, // 11  011  1110  1010  110
876     PMEVCNTR23_EL0    = 0xdf57, // 11  011  1110  1010  111
877     PMEVCNTR24_EL0    = 0xdf58, // 11  011  1110  1011  000
878     PMEVCNTR25_EL0    = 0xdf59, // 11  011  1110  1011  001
879     PMEVCNTR26_EL0    = 0xdf5a, // 11  011  1110  1011  010
880     PMEVCNTR27_EL0    = 0xdf5b, // 11  011  1110  1011  011
881     PMEVCNTR28_EL0    = 0xdf5c, // 11  011  1110  1011  100
882     PMEVCNTR29_EL0    = 0xdf5d, // 11  011  1110  1011  101
883     PMEVCNTR30_EL0    = 0xdf5e, // 11  011  1110  1011  110
884     PMCCFILTR_EL0     = 0xdf7f, // 11  011  1110  1111  111
885     PMEVTYPER0_EL0    = 0xdf60, // 11  011  1110  1100  000
886     PMEVTYPER1_EL0    = 0xdf61, // 11  011  1110  1100  001
887     PMEVTYPER2_EL0    = 0xdf62, // 11  011  1110  1100  010
888     PMEVTYPER3_EL0    = 0xdf63, // 11  011  1110  1100  011
889     PMEVTYPER4_EL0    = 0xdf64, // 11  011  1110  1100  100
890     PMEVTYPER5_EL0    = 0xdf65, // 11  011  1110  1100  101
891     PMEVTYPER6_EL0    = 0xdf66, // 11  011  1110  1100  110
892     PMEVTYPER7_EL0    = 0xdf67, // 11  011  1110  1100  111
893     PMEVTYPER8_EL0    = 0xdf68, // 11  011  1110  1101  000
894     PMEVTYPER9_EL0    = 0xdf69, // 11  011  1110  1101  001
895     PMEVTYPER10_EL0   = 0xdf6a, // 11  011  1110  1101  010
896     PMEVTYPER11_EL0   = 0xdf6b, // 11  011  1110  1101  011
897     PMEVTYPER12_EL0   = 0xdf6c, // 11  011  1110  1101  100
898     PMEVTYPER13_EL0   = 0xdf6d, // 11  011  1110  1101  101
899     PMEVTYPER14_EL0   = 0xdf6e, // 11  011  1110  1101  110
900     PMEVTYPER15_EL0   = 0xdf6f, // 11  011  1110  1101  111
901     PMEVTYPER16_EL0   = 0xdf70, // 11  011  1110  1110  000
902     PMEVTYPER17_EL0   = 0xdf71, // 11  011  1110  1110  001
903     PMEVTYPER18_EL0   = 0xdf72, // 11  011  1110  1110  010
904     PMEVTYPER19_EL0   = 0xdf73, // 11  011  1110  1110  011
905     PMEVTYPER20_EL0   = 0xdf74, // 11  011  1110  1110  100
906     PMEVTYPER21_EL0   = 0xdf75, // 11  011  1110  1110  101
907     PMEVTYPER22_EL0   = 0xdf76, // 11  011  1110  1110  110
908     PMEVTYPER23_EL0   = 0xdf77, // 11  011  1110  1110  111
909     PMEVTYPER24_EL0   = 0xdf78, // 11  011  1110  1111  000
910     PMEVTYPER25_EL0   = 0xdf79, // 11  011  1110  1111  001
911     PMEVTYPER26_EL0   = 0xdf7a, // 11  011  1110  1111  010
912     PMEVTYPER27_EL0   = 0xdf7b, // 11  011  1110  1111  011
913     PMEVTYPER28_EL0   = 0xdf7c, // 11  011  1110  1111  100
914     PMEVTYPER29_EL0   = 0xdf7d, // 11  011  1110  1111  101
915     PMEVTYPER30_EL0   = 0xdf7e, // 11  011  1110  1111  110
916 
917     // Trace registers
918     TRCPRGCTLR        = 0x8808, // 10  001  0000  0001  000
919     TRCPROCSELR       = 0x8810, // 10  001  0000  0010  000
920     TRCCONFIGR        = 0x8820, // 10  001  0000  0100  000
921     TRCAUXCTLR        = 0x8830, // 10  001  0000  0110  000
922     TRCEVENTCTL0R     = 0x8840, // 10  001  0000  1000  000
923     TRCEVENTCTL1R     = 0x8848, // 10  001  0000  1001  000
924     TRCSTALLCTLR      = 0x8858, // 10  001  0000  1011  000
925     TRCTSCTLR         = 0x8860, // 10  001  0000  1100  000
926     TRCSYNCPR         = 0x8868, // 10  001  0000  1101  000
927     TRCCCCTLR         = 0x8870, // 10  001  0000  1110  000
928     TRCBBCTLR         = 0x8878, // 10  001  0000  1111  000
929     TRCTRACEIDR       = 0x8801, // 10  001  0000  0000  001
930     TRCQCTLR          = 0x8809, // 10  001  0000  0001  001
931     TRCVICTLR         = 0x8802, // 10  001  0000  0000  010
932     TRCVIIECTLR       = 0x880a, // 10  001  0000  0001  010
933     TRCVISSCTLR       = 0x8812, // 10  001  0000  0010  010
934     TRCVIPCSSCTLR     = 0x881a, // 10  001  0000  0011  010
935     TRCVDCTLR         = 0x8842, // 10  001  0000  1000  010
936     TRCVDSACCTLR      = 0x884a, // 10  001  0000  1001  010
937     TRCVDARCCTLR      = 0x8852, // 10  001  0000  1010  010
938     TRCSEQEVR0        = 0x8804, // 10  001  0000  0000  100
939     TRCSEQEVR1        = 0x880c, // 10  001  0000  0001  100
940     TRCSEQEVR2        = 0x8814, // 10  001  0000  0010  100
941     TRCSEQRSTEVR      = 0x8834, // 10  001  0000  0110  100
942     TRCSEQSTR         = 0x883c, // 10  001  0000  0111  100
943     TRCEXTINSELR      = 0x8844, // 10  001  0000  1000  100
944     TRCCNTRLDVR0      = 0x8805, // 10  001  0000  0000  101
945     TRCCNTRLDVR1      = 0x880d, // 10  001  0000  0001  101
946     TRCCNTRLDVR2      = 0x8815, // 10  001  0000  0010  101
947     TRCCNTRLDVR3      = 0x881d, // 10  001  0000  0011  101
948     TRCCNTCTLR0       = 0x8825, // 10  001  0000  0100  101
949     TRCCNTCTLR1       = 0x882d, // 10  001  0000  0101  101
950     TRCCNTCTLR2       = 0x8835, // 10  001  0000  0110  101
951     TRCCNTCTLR3       = 0x883d, // 10  001  0000  0111  101
952     TRCCNTVR0         = 0x8845, // 10  001  0000  1000  101
953     TRCCNTVR1         = 0x884d, // 10  001  0000  1001  101
954     TRCCNTVR2         = 0x8855, // 10  001  0000  1010  101
955     TRCCNTVR3         = 0x885d, // 10  001  0000  1011  101
956     TRCIMSPEC0        = 0x8807, // 10  001  0000  0000  111
957     TRCIMSPEC1        = 0x880f, // 10  001  0000  0001  111
958     TRCIMSPEC2        = 0x8817, // 10  001  0000  0010  111
959     TRCIMSPEC3        = 0x881f, // 10  001  0000  0011  111
960     TRCIMSPEC4        = 0x8827, // 10  001  0000  0100  111
961     TRCIMSPEC5        = 0x882f, // 10  001  0000  0101  111
962     TRCIMSPEC6        = 0x8837, // 10  001  0000  0110  111
963     TRCIMSPEC7        = 0x883f, // 10  001  0000  0111  111
964     TRCRSCTLR2        = 0x8890, // 10  001  0001  0010  000
965     TRCRSCTLR3        = 0x8898, // 10  001  0001  0011  000
966     TRCRSCTLR4        = 0x88a0, // 10  001  0001  0100  000
967     TRCRSCTLR5        = 0x88a8, // 10  001  0001  0101  000
968     TRCRSCTLR6        = 0x88b0, // 10  001  0001  0110  000
969     TRCRSCTLR7        = 0x88b8, // 10  001  0001  0111  000
970     TRCRSCTLR8        = 0x88c0, // 10  001  0001  1000  000
971     TRCRSCTLR9        = 0x88c8, // 10  001  0001  1001  000
972     TRCRSCTLR10       = 0x88d0, // 10  001  0001  1010  000
973     TRCRSCTLR11       = 0x88d8, // 10  001  0001  1011  000
974     TRCRSCTLR12       = 0x88e0, // 10  001  0001  1100  000
975     TRCRSCTLR13       = 0x88e8, // 10  001  0001  1101  000
976     TRCRSCTLR14       = 0x88f0, // 10  001  0001  1110  000
977     TRCRSCTLR15       = 0x88f8, // 10  001  0001  1111  000
978     TRCRSCTLR16       = 0x8881, // 10  001  0001  0000  001
979     TRCRSCTLR17       = 0x8889, // 10  001  0001  0001  001
980     TRCRSCTLR18       = 0x8891, // 10  001  0001  0010  001
981     TRCRSCTLR19       = 0x8899, // 10  001  0001  0011  001
982     TRCRSCTLR20       = 0x88a1, // 10  001  0001  0100  001
983     TRCRSCTLR21       = 0x88a9, // 10  001  0001  0101  001
984     TRCRSCTLR22       = 0x88b1, // 10  001  0001  0110  001
985     TRCRSCTLR23       = 0x88b9, // 10  001  0001  0111  001
986     TRCRSCTLR24       = 0x88c1, // 10  001  0001  1000  001
987     TRCRSCTLR25       = 0x88c9, // 10  001  0001  1001  001
988     TRCRSCTLR26       = 0x88d1, // 10  001  0001  1010  001
989     TRCRSCTLR27       = 0x88d9, // 10  001  0001  1011  001
990     TRCRSCTLR28       = 0x88e1, // 10  001  0001  1100  001
991     TRCRSCTLR29       = 0x88e9, // 10  001  0001  1101  001
992     TRCRSCTLR30       = 0x88f1, // 10  001  0001  1110  001
993     TRCRSCTLR31       = 0x88f9, // 10  001  0001  1111  001
994     TRCSSCCR0         = 0x8882, // 10  001  0001  0000  010
995     TRCSSCCR1         = 0x888a, // 10  001  0001  0001  010
996     TRCSSCCR2         = 0x8892, // 10  001  0001  0010  010
997     TRCSSCCR3         = 0x889a, // 10  001  0001  0011  010
998     TRCSSCCR4         = 0x88a2, // 10  001  0001  0100  010
999     TRCSSCCR5         = 0x88aa, // 10  001  0001  0101  010
1000     TRCSSCCR6         = 0x88b2, // 10  001  0001  0110  010
1001     TRCSSCCR7         = 0x88ba, // 10  001  0001  0111  010
1002     TRCSSCSR0         = 0x88c2, // 10  001  0001  1000  010
1003     TRCSSCSR1         = 0x88ca, // 10  001  0001  1001  010
1004     TRCSSCSR2         = 0x88d2, // 10  001  0001  1010  010
1005     TRCSSCSR3         = 0x88da, // 10  001  0001  1011  010
1006     TRCSSCSR4         = 0x88e2, // 10  001  0001  1100  010
1007     TRCSSCSR5         = 0x88ea, // 10  001  0001  1101  010
1008     TRCSSCSR6         = 0x88f2, // 10  001  0001  1110  010
1009     TRCSSCSR7         = 0x88fa, // 10  001  0001  1111  010
1010     TRCSSPCICR0       = 0x8883, // 10  001  0001  0000  011
1011     TRCSSPCICR1       = 0x888b, // 10  001  0001  0001  011
1012     TRCSSPCICR2       = 0x8893, // 10  001  0001  0010  011
1013     TRCSSPCICR3       = 0x889b, // 10  001  0001  0011  011
1014     TRCSSPCICR4       = 0x88a3, // 10  001  0001  0100  011
1015     TRCSSPCICR5       = 0x88ab, // 10  001  0001  0101  011
1016     TRCSSPCICR6       = 0x88b3, // 10  001  0001  0110  011
1017     TRCSSPCICR7       = 0x88bb, // 10  001  0001  0111  011
1018     TRCPDCR           = 0x88a4, // 10  001  0001  0100  100
1019     TRCACVR0          = 0x8900, // 10  001  0010  0000  000
1020     TRCACVR1          = 0x8910, // 10  001  0010  0010  000
1021     TRCACVR2          = 0x8920, // 10  001  0010  0100  000
1022     TRCACVR3          = 0x8930, // 10  001  0010  0110  000
1023     TRCACVR4          = 0x8940, // 10  001  0010  1000  000
1024     TRCACVR5          = 0x8950, // 10  001  0010  1010  000
1025     TRCACVR6          = 0x8960, // 10  001  0010  1100  000
1026     TRCACVR7          = 0x8970, // 10  001  0010  1110  000
1027     TRCACVR8          = 0x8901, // 10  001  0010  0000  001
1028     TRCACVR9          = 0x8911, // 10  001  0010  0010  001
1029     TRCACVR10         = 0x8921, // 10  001  0010  0100  001
1030     TRCACVR11         = 0x8931, // 10  001  0010  0110  001
1031     TRCACVR12         = 0x8941, // 10  001  0010  1000  001
1032     TRCACVR13         = 0x8951, // 10  001  0010  1010  001
1033     TRCACVR14         = 0x8961, // 10  001  0010  1100  001
1034     TRCACVR15         = 0x8971, // 10  001  0010  1110  001
1035     TRCACATR0         = 0x8902, // 10  001  0010  0000  010
1036     TRCACATR1         = 0x8912, // 10  001  0010  0010  010
1037     TRCACATR2         = 0x8922, // 10  001  0010  0100  010
1038     TRCACATR3         = 0x8932, // 10  001  0010  0110  010
1039     TRCACATR4         = 0x8942, // 10  001  0010  1000  010
1040     TRCACATR5         = 0x8952, // 10  001  0010  1010  010
1041     TRCACATR6         = 0x8962, // 10  001  0010  1100  010
1042     TRCACATR7         = 0x8972, // 10  001  0010  1110  010
1043     TRCACATR8         = 0x8903, // 10  001  0010  0000  011
1044     TRCACATR9         = 0x8913, // 10  001  0010  0010  011
1045     TRCACATR10        = 0x8923, // 10  001  0010  0100  011
1046     TRCACATR11        = 0x8933, // 10  001  0010  0110  011
1047     TRCACATR12        = 0x8943, // 10  001  0010  1000  011
1048     TRCACATR13        = 0x8953, // 10  001  0010  1010  011
1049     TRCACATR14        = 0x8963, // 10  001  0010  1100  011
1050     TRCACATR15        = 0x8973, // 10  001  0010  1110  011
1051     TRCDVCVR0         = 0x8904, // 10  001  0010  0000  100
1052     TRCDVCVR1         = 0x8924, // 10  001  0010  0100  100
1053     TRCDVCVR2         = 0x8944, // 10  001  0010  1000  100
1054     TRCDVCVR3         = 0x8964, // 10  001  0010  1100  100
1055     TRCDVCVR4         = 0x8905, // 10  001  0010  0000  101
1056     TRCDVCVR5         = 0x8925, // 10  001  0010  0100  101
1057     TRCDVCVR6         = 0x8945, // 10  001  0010  1000  101
1058     TRCDVCVR7         = 0x8965, // 10  001  0010  1100  101
1059     TRCDVCMR0         = 0x8906, // 10  001  0010  0000  110
1060     TRCDVCMR1         = 0x8926, // 10  001  0010  0100  110
1061     TRCDVCMR2         = 0x8946, // 10  001  0010  1000  110
1062     TRCDVCMR3         = 0x8966, // 10  001  0010  1100  110
1063     TRCDVCMR4         = 0x8907, // 10  001  0010  0000  111
1064     TRCDVCMR5         = 0x8927, // 10  001  0010  0100  111
1065     TRCDVCMR6         = 0x8947, // 10  001  0010  1000  111
1066     TRCDVCMR7         = 0x8967, // 10  001  0010  1100  111
1067     TRCCIDCVR0        = 0x8980, // 10  001  0011  0000  000
1068     TRCCIDCVR1        = 0x8990, // 10  001  0011  0010  000
1069     TRCCIDCVR2        = 0x89a0, // 10  001  0011  0100  000
1070     TRCCIDCVR3        = 0x89b0, // 10  001  0011  0110  000
1071     TRCCIDCVR4        = 0x89c0, // 10  001  0011  1000  000
1072     TRCCIDCVR5        = 0x89d0, // 10  001  0011  1010  000
1073     TRCCIDCVR6        = 0x89e0, // 10  001  0011  1100  000
1074     TRCCIDCVR7        = 0x89f0, // 10  001  0011  1110  000
1075     TRCVMIDCVR0       = 0x8981, // 10  001  0011  0000  001
1076     TRCVMIDCVR1       = 0x8991, // 10  001  0011  0010  001
1077     TRCVMIDCVR2       = 0x89a1, // 10  001  0011  0100  001
1078     TRCVMIDCVR3       = 0x89b1, // 10  001  0011  0110  001
1079     TRCVMIDCVR4       = 0x89c1, // 10  001  0011  1000  001
1080     TRCVMIDCVR5       = 0x89d1, // 10  001  0011  1010  001
1081     TRCVMIDCVR6       = 0x89e1, // 10  001  0011  1100  001
1082     TRCVMIDCVR7       = 0x89f1, // 10  001  0011  1110  001
1083     TRCCIDCCTLR0      = 0x8982, // 10  001  0011  0000  010
1084     TRCCIDCCTLR1      = 0x898a, // 10  001  0011  0001  010
1085     TRCVMIDCCTLR0     = 0x8992, // 10  001  0011  0010  010
1086     TRCVMIDCCTLR1     = 0x899a, // 10  001  0011  0011  010
1087     TRCITCTRL         = 0x8b84, // 10  001  0111  0000  100
1088     TRCCLAIMSET       = 0x8bc6, // 10  001  0111  1000  110
1089     TRCCLAIMCLR       = 0x8bce, // 10  001  0111  1001  110
1090 
1091     // GICv3 registers
1092     ICC_BPR1_EL1      = 0xc663, // 11  000  1100  1100  011
1093     ICC_BPR0_EL1      = 0xc643, // 11  000  1100  1000  011
1094     ICC_PMR_EL1       = 0xc230, // 11  000  0100  0110  000
1095     ICC_CTLR_EL1      = 0xc664, // 11  000  1100  1100  100
1096     ICC_CTLR_EL3      = 0xf664, // 11  110  1100  1100  100
1097     ICC_SRE_EL1       = 0xc665, // 11  000  1100  1100  101
1098     ICC_SRE_EL2       = 0xe64d, // 11  100  1100  1001  101
1099     ICC_SRE_EL3       = 0xf665, // 11  110  1100  1100  101
1100     ICC_IGRPEN0_EL1   = 0xc666, // 11  000  1100  1100  110
1101     ICC_IGRPEN1_EL1   = 0xc667, // 11  000  1100  1100  111
1102     ICC_IGRPEN1_EL3   = 0xf667, // 11  110  1100  1100  111
1103     ICC_SEIEN_EL1     = 0xc668, // 11  000  1100  1101  000
1104     ICC_AP0R0_EL1     = 0xc644, // 11  000  1100  1000  100
1105     ICC_AP0R1_EL1     = 0xc645, // 11  000  1100  1000  101
1106     ICC_AP0R2_EL1     = 0xc646, // 11  000  1100  1000  110
1107     ICC_AP0R3_EL1     = 0xc647, // 11  000  1100  1000  111
1108     ICC_AP1R0_EL1     = 0xc648, // 11  000  1100  1001  000
1109     ICC_AP1R1_EL1     = 0xc649, // 11  000  1100  1001  001
1110     ICC_AP1R2_EL1     = 0xc64a, // 11  000  1100  1001  010
1111     ICC_AP1R3_EL1     = 0xc64b, // 11  000  1100  1001  011
1112     ICH_AP0R0_EL2     = 0xe640, // 11  100  1100  1000  000
1113     ICH_AP0R1_EL2     = 0xe641, // 11  100  1100  1000  001
1114     ICH_AP0R2_EL2     = 0xe642, // 11  100  1100  1000  010
1115     ICH_AP0R3_EL2     = 0xe643, // 11  100  1100  1000  011
1116     ICH_AP1R0_EL2     = 0xe648, // 11  100  1100  1001  000
1117     ICH_AP1R1_EL2     = 0xe649, // 11  100  1100  1001  001
1118     ICH_AP1R2_EL2     = 0xe64a, // 11  100  1100  1001  010
1119     ICH_AP1R3_EL2     = 0xe64b, // 11  100  1100  1001  011
1120     ICH_HCR_EL2       = 0xe658, // 11  100  1100  1011  000
1121     ICH_MISR_EL2      = 0xe65a, // 11  100  1100  1011  010
1122     ICH_VMCR_EL2      = 0xe65f, // 11  100  1100  1011  111
1123     ICH_VSEIR_EL2     = 0xe64c, // 11  100  1100  1001  100
1124     ICH_LR0_EL2       = 0xe660, // 11  100  1100  1100  000
1125     ICH_LR1_EL2       = 0xe661, // 11  100  1100  1100  001
1126     ICH_LR2_EL2       = 0xe662, // 11  100  1100  1100  010
1127     ICH_LR3_EL2       = 0xe663, // 11  100  1100  1100  011
1128     ICH_LR4_EL2       = 0xe664, // 11  100  1100  1100  100
1129     ICH_LR5_EL2       = 0xe665, // 11  100  1100  1100  101
1130     ICH_LR6_EL2       = 0xe666, // 11  100  1100  1100  110
1131     ICH_LR7_EL2       = 0xe667, // 11  100  1100  1100  111
1132     ICH_LR8_EL2       = 0xe668, // 11  100  1100  1101  000
1133     ICH_LR9_EL2       = 0xe669, // 11  100  1100  1101  001
1134     ICH_LR10_EL2      = 0xe66a, // 11  100  1100  1101  010
1135     ICH_LR11_EL2      = 0xe66b, // 11  100  1100  1101  011
1136     ICH_LR12_EL2      = 0xe66c, // 11  100  1100  1101  100
1137     ICH_LR13_EL2      = 0xe66d, // 11  100  1100  1101  101
1138     ICH_LR14_EL2      = 0xe66e, // 11  100  1100  1101  110
1139     ICH_LR15_EL2      = 0xe66f, // 11  100  1100  1101  111
1140 
1141     // v8.1a "Privileged Access Never" extension-specific system registers
1142     PAN               = 0xc213, // 11  000  0100  0010  011
1143 
1144     // v8.1a "Limited Ordering Regions" extension-specific system registers
1145     LORSA_EL1         = 0xc520, // 11  000  1010  0100  000
1146     LOREA_EL1         = 0xc521, // 11  000  1010  0100  001
1147     LORN_EL1          = 0xc522, // 11  000  1010  0100  010
1148     LORC_EL1          = 0xc523, // 11  000  1010  0100  011
1149     LORID_EL1         = 0xc527, // 11  000  1010  0100  111
1150 
1151     // v8.1a "Virtualization host extensions" system registers
1152     TTBR1_EL2         = 0xe101, // 11  100  0010  0000  001
1153     CONTEXTIDR_EL2    = 0xe681, // 11  100  1101  0000  001
1154     CNTHV_TVAL_EL2    = 0xe718, // 11  100  1110  0011  000
1155     CNTHV_CVAL_EL2    = 0xe71a, // 11  100  1110  0011  010
1156     CNTHV_CTL_EL2     = 0xe719, // 11  100  1110  0011  001
1157     SCTLR_EL12        = 0xe880, // 11  101  0001  0000  000
1158     CPACR_EL12        = 0xe882, // 11  101  0001  0000  010
1159     TTBR0_EL12        = 0xe900, // 11  101  0010  0000  000
1160     TTBR1_EL12        = 0xe901, // 11  101  0010  0000  001
1161     TCR_EL12          = 0xe902, // 11  101  0010  0000  010
1162     AFSR0_EL12        = 0xea88, // 11  101  0101  0001  000
1163     AFSR1_EL12        = 0xea89, // 11  101  0101  0001  001
1164     ESR_EL12          = 0xea90, // 11  101  0101  0010  000
1165     FAR_EL12          = 0xeb00, // 11  101  0110  0000  000
1166     MAIR_EL12         = 0xed10, // 11  101  1010  0010  000
1167     AMAIR_EL12        = 0xed18, // 11  101  1010  0011  000
1168     VBAR_EL12         = 0xee00, // 11  101  1100  0000  000
1169     CONTEXTIDR_EL12   = 0xee81, // 11  101  1101  0000  001
1170     CNTKCTL_EL12      = 0xef08, // 11  101  1110  0001  000
1171     CNTP_TVAL_EL02    = 0xef10, // 11  101  1110  0010  000
1172     CNTP_CTL_EL02     = 0xef11, // 11  101  1110  0010  001
1173     CNTP_CVAL_EL02    = 0xef12, // 11  101  1110  0010  010
1174     CNTV_TVAL_EL02    = 0xef18, // 11  101  1110  0011  000
1175     CNTV_CTL_EL02     = 0xef19, // 11  101  1110  0011  001
1176     CNTV_CVAL_EL02    = 0xef1a, // 11  101  1110  0011  010
1177     SPSR_EL12         = 0xea00, // 11  101  0100  0000  000
1178     ELR_EL12          = 0xea01, // 11  101  0100  0000  001
1179 
1180     // Cyclone specific system registers
1181     CPM_IOACC_CTL_EL3 = 0xff90,
1182   };
1183 
1184   // Note that these do not inherit from AArch64NamedImmMapper. This class is
1185   // sufficiently different in its behaviour that I don't believe it's worth
1186   // burdening the common AArch64NamedImmMapper with abstractions only needed in
1187   // this one case.
1188   struct SysRegMapper {
1189     static const AArch64NamedImmMapper::Mapping SysRegMappings[];
1190 
1191     const AArch64NamedImmMapper::Mapping *InstMappings;
1192     size_t NumInstMappings;
1193 
SysRegMapperSysRegMapper1194     SysRegMapper() { }
1195     uint32_t fromString(StringRef Name, uint64_t FeatureBits, bool &Valid) const;
1196     std::string toString(uint32_t Bits, uint64_t FeatureBits) const;
1197   };
1198 
1199   struct MSRMapper : SysRegMapper {
1200     static const AArch64NamedImmMapper::Mapping MSRMappings[];
1201     MSRMapper();
1202   };
1203 
1204   struct MRSMapper : SysRegMapper {
1205     static const AArch64NamedImmMapper::Mapping MRSMappings[];
1206     MRSMapper();
1207   };
1208 
1209   uint32_t ParseGenericRegister(StringRef Name, bool &Valid);
1210 }
1211 
1212 namespace AArch64TLBI {
1213   enum TLBIValues {
1214     Invalid = -1,          // Op0 Op1  CRn   CRm   Op2
1215     IPAS2E1IS    = 0x6401, // 01  100  1000  0000  001
1216     IPAS2LE1IS   = 0x6405, // 01  100  1000  0000  101
1217     VMALLE1IS    = 0x4418, // 01  000  1000  0011  000
1218     ALLE2IS      = 0x6418, // 01  100  1000  0011  000
1219     ALLE3IS      = 0x7418, // 01  110  1000  0011  000
1220     VAE1IS       = 0x4419, // 01  000  1000  0011  001
1221     VAE2IS       = 0x6419, // 01  100  1000  0011  001
1222     VAE3IS       = 0x7419, // 01  110  1000  0011  001
1223     ASIDE1IS     = 0x441a, // 01  000  1000  0011  010
1224     VAAE1IS      = 0x441b, // 01  000  1000  0011  011
1225     ALLE1IS      = 0x641c, // 01  100  1000  0011  100
1226     VALE1IS      = 0x441d, // 01  000  1000  0011  101
1227     VALE2IS      = 0x641d, // 01  100  1000  0011  101
1228     VALE3IS      = 0x741d, // 01  110  1000  0011  101
1229     VMALLS12E1IS = 0x641e, // 01  100  1000  0011  110
1230     VAALE1IS     = 0x441f, // 01  000  1000  0011  111
1231     IPAS2E1      = 0x6421, // 01  100  1000  0100  001
1232     IPAS2LE1     = 0x6425, // 01  100  1000  0100  101
1233     VMALLE1      = 0x4438, // 01  000  1000  0111  000
1234     ALLE2        = 0x6438, // 01  100  1000  0111  000
1235     ALLE3        = 0x7438, // 01  110  1000  0111  000
1236     VAE1         = 0x4439, // 01  000  1000  0111  001
1237     VAE2         = 0x6439, // 01  100  1000  0111  001
1238     VAE3         = 0x7439, // 01  110  1000  0111  001
1239     ASIDE1       = 0x443a, // 01  000  1000  0111  010
1240     VAAE1        = 0x443b, // 01  000  1000  0111  011
1241     ALLE1        = 0x643c, // 01  100  1000  0111  100
1242     VALE1        = 0x443d, // 01  000  1000  0111  101
1243     VALE2        = 0x643d, // 01  100  1000  0111  101
1244     VALE3        = 0x743d, // 01  110  1000  0111  101
1245     VMALLS12E1   = 0x643e, // 01  100  1000  0111  110
1246     VAALE1       = 0x443f  // 01  000  1000  0111  111
1247   };
1248 
1249   struct TLBIMapper : AArch64NamedImmMapper {
1250     const static Mapping TLBIMappings[];
1251 
1252     TLBIMapper();
1253   };
1254 
NeedsRegister(TLBIValues Val)1255   static inline bool NeedsRegister(TLBIValues Val) {
1256     switch (Val) {
1257     case VMALLE1IS:
1258     case ALLE2IS:
1259     case ALLE3IS:
1260     case ALLE1IS:
1261     case VMALLS12E1IS:
1262     case VMALLE1:
1263     case ALLE2:
1264     case ALLE3:
1265     case ALLE1:
1266     case VMALLS12E1:
1267       return false;
1268     default:
1269       return true;
1270     }
1271   }
1272 }
1273 
1274 namespace AArch64II {
1275   /// Target Operand Flag enum.
1276   enum TOF {
1277     //===------------------------------------------------------------------===//
1278     // AArch64 Specific MachineOperand flags.
1279 
1280     MO_NO_FLAG,
1281 
1282     MO_FRAGMENT = 0xf,
1283 
1284     /// MO_PAGE - A symbol operand with this flag represents the pc-relative
1285     /// offset of the 4K page containing the symbol.  This is used with the
1286     /// ADRP instruction.
1287     MO_PAGE = 1,
1288 
1289     /// MO_PAGEOFF - A symbol operand with this flag represents the offset of
1290     /// that symbol within a 4K page.  This offset is added to the page address
1291     /// to produce the complete address.
1292     MO_PAGEOFF = 2,
1293 
1294     /// MO_G3 - A symbol operand with this flag (granule 3) represents the high
1295     /// 16-bits of a 64-bit address, used in a MOVZ or MOVK instruction
1296     MO_G3 = 3,
1297 
1298     /// MO_G2 - A symbol operand with this flag (granule 2) represents the bits
1299     /// 32-47 of a 64-bit address, used in a MOVZ or MOVK instruction
1300     MO_G2 = 4,
1301 
1302     /// MO_G1 - A symbol operand with this flag (granule 1) represents the bits
1303     /// 16-31 of a 64-bit address, used in a MOVZ or MOVK instruction
1304     MO_G1 = 5,
1305 
1306     /// MO_G0 - A symbol operand with this flag (granule 0) represents the bits
1307     /// 0-15 of a 64-bit address, used in a MOVZ or MOVK instruction
1308     MO_G0 = 6,
1309 
1310     /// MO_HI12 - This flag indicates that a symbol operand represents the bits
1311     /// 13-24 of a 64-bit address, used in a arithmetic immediate-shifted-left-
1312     /// by-12-bits instruction.
1313     MO_HI12 = 7,
1314 
1315     /// MO_GOT - This flag indicates that a symbol operand represents the
1316     /// address of the GOT entry for the symbol, rather than the address of
1317     /// the symbol itself.
1318     MO_GOT = 0x10,
1319 
1320     /// MO_NC - Indicates whether the linker is expected to check the symbol
1321     /// reference for overflow. For example in an ADRP/ADD pair of relocations
1322     /// the ADRP usually does check, but not the ADD.
1323     MO_NC = 0x20,
1324 
1325     /// MO_TLS - Indicates that the operand being accessed is some kind of
1326     /// thread-local symbol. On Darwin, only one type of thread-local access
1327     /// exists (pre linker-relaxation), but on ELF the TLSModel used for the
1328     /// referee will affect interpretation.
1329     MO_TLS = 0x40,
1330 
1331     /// MO_CONSTPOOL - This flag indicates that a symbol operand represents
1332     /// the address of a constant pool entry for the symbol, rather than the
1333     /// address of the symbol itself.
1334     MO_CONSTPOOL = 0x80
1335   };
1336 } // end namespace AArch64II
1337 
1338 } // end namespace llvm
1339 
1340 #endif
1341