1/*
2 * Copyright (c) 2013 ARM Limited
3 * Copyright (c) 2014-2015 Sven Karlsson
4 * Copyright (c) 2019 Yifei Liu
5 * All rights reserved
6 *
7 * The license below extends only to copyright in the software and shall
8 * not be construed as granting a license to any other intellectual
9 * property including but not limited to intellectual property relating
10 * to a hardware implementation of the functionality of the software
11 * licensed hereunder. You may use the software subject to the license
12 * terms below provided that you ensure that this notice is replicated
13 * unmodified and in its entirety in all distributions of the software,
14 * modified or unmodified, in source code or in binary form.
15 *
16 * Copyright (c) 2016 RISC-V Foundation
17 * Copyright (c) 2016 The University of Virginia
18 * All rights reserved.
19 *
20 * Redistribution and use in source and binary forms, with or without
21 * modification, are permitted provided that the following conditions are
22 * met: redistributions of source code must retain the above copyright
23 * notice, this list of conditions and the following disclaimer;
24 * redistributions in binary form must reproduce the above copyright
25 * notice, this list of conditions and the following disclaimer in the
26 * documentation and/or other materials provided with the distribution;
27 * neither the name of the copyright holders nor the names of its
28 * contributors may be used to endorse or promote products derived from
29 * this software without specific prior written permission.
30 *
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
36 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
37 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
38 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
39 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
40 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
41 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42 *
43 * Authors: Andreas Hansson
44 * Sven Karlsson
45 * Alec Roelke
46 * Yifei Liu
47 * Lin Cheng
48 * Xihao Chen
49 * Cheng Tan
50 */
51
52#ifndef __ARCH_RISCV_REGISTERS_HH__
53#define __ARCH_RISCV_REGISTERS_HH__
54
55#include <map>
56#include <string>
57#include <vector>
58
59#include "arch/generic/types.hh"
60#include "arch/generic/vec_pred_reg.hh"
61#include "arch/generic/vec_reg.hh"
62#include "arch/isa_traits.hh"
63#include "arch/riscv/generated/max_inst_regs.hh"
64#include "base/types.hh"
65
66namespace RiscvISA {
67
68using RiscvISAInst::MaxInstSrcRegs;
69using RiscvISAInst::MaxInstDestRegs;
70const int MaxMiscDestRegs = 1;
71
72// Not applicable to RISC-V
73using VecElem = ::DummyVecElem;
74using VecReg = ::DummyVecReg;
75using ConstVecReg = ::DummyConstVecReg;
76using VecRegContainer = ::DummyVecRegContainer;
77constexpr unsigned NumVecElemPerVecReg = ::DummyNumVecElemPerVecReg;
78constexpr size_t VecRegSizeBytes = ::DummyVecRegSizeBytes;
79
80// Not applicable to RISC-V
81using VecPredReg = ::DummyVecPredReg;
82using ConstVecPredReg = ::DummyConstVecPredReg;
83using VecPredRegContainer = ::DummyVecPredRegContainer;
84constexpr size_t VecPredRegSizeBits = ::DummyVecPredRegSizeBits;
85constexpr bool VecPredRegHasPackedRepr = ::DummyVecPredRegHasPackedRepr;
86
87const int NumIntArchRegs = 32;
88const int NumMicroIntRegs = 1;
89const int NumIntRegs = NumIntArchRegs + NumMicroIntRegs;
90const int NumFloatRegs = 32;
91
92const unsigned NumVecRegs = 1; // Not applicable to RISC-V
93 // (1 to prevent warnings)
94const int NumVecPredRegs = 1; // Not applicable to RISC-V
95 // (1 to prevent warnings)
96
97const int NumCCRegs = 0;
98
99// Semantically meaningful register indices
100const int ZeroReg = 0;
101const int ReturnAddrReg = 1;
102const int StackPointerReg = 2;
103const int GlobalPointerReg = 3;
104const int ThreadPointerReg = 4;
105const int FramePointerReg = 8;
106const int ReturnValueReg = 10;
107const std::vector<int> ReturnValueRegs = {10, 11};
108const std::vector<int> ArgumentRegs = {10, 11, 12, 13, 14, 15, 16, 17};
109const int AMOTempReg = 32;
110
111const int SyscallPseudoReturnReg = 10;
112const std::vector<int> SyscallArgumentRegs = {10, 11, 12, 13, 14, 15, 16};
113const int SyscallNumReg = 17;
114
115const std::vector<std::string> IntRegNames = {
116 "zero", "ra", "sp", "gp",
117 "tp", "t0", "t1", "t2",
118 "s0", "s1", "a0", "a1",
119 "a2", "a3", "a4", "a5",
120 "a6", "a7", "s2", "s3",
121 "s4", "s5", "s6", "s7",
122 "s8", "s9", "s10", "s11",
123 "t3", "t4", "t5", "t6"
124};
125const std::vector<std::string> FloatRegNames = {
126 "ft0", "ft1", "ft2", "ft3",
127 "ft4", "ft5", "ft6", "ft7",
128 "fs0", "fs1", "fa0", "fa1",
129 "fa2", "fa3", "fa4", "fa5",
130 "fa6", "fa7", "fs2", "fs3",
131 "fs4", "fs5", "fs6", "fs7",
132 "fs8", "fs9", "fs10", "fs11",
133 "ft8", "ft9", "ft10", "ft11"
134};
135
136enum MiscRegIndex {
137 MISCREG_PRV = 0,
138 MISCREG_ISA,
139 MISCREG_VENDORID,
140 MISCREG_ARCHID,
141 MISCREG_IMPID,
142 MISCREG_HARTID,
143 MISCREG_STATUS,
144 MISCREG_IP,
145 MISCREG_IE,
146 MISCREG_CYCLE,
147 MISCREG_TIME,
148 MISCREG_INSTRET,
149 MISCREG_HPMCOUNTER03,
150 MISCREG_HPMCOUNTER04,
151 MISCREG_HPMCOUNTER05,
152 MISCREG_HPMCOUNTER06,
153 MISCREG_HPMCOUNTER07,
154 MISCREG_HPMCOUNTER08,
155 MISCREG_HPMCOUNTER09,
156 MISCREG_HPMCOUNTER10,
157 MISCREG_HPMCOUNTER11,
158 MISCREG_HPMCOUNTER12,
159 MISCREG_HPMCOUNTER13,
160 MISCREG_HPMCOUNTER14,
161 MISCREG_HPMCOUNTER15,
162 MISCREG_HPMCOUNTER16,
163 MISCREG_HPMCOUNTER17,
164 MISCREG_HPMCOUNTER18,
165 MISCREG_HPMCOUNTER19,
166 MISCREG_HPMCOUNTER20,
167 MISCREG_HPMCOUNTER21,
168 MISCREG_HPMCOUNTER22,
169 MISCREG_HPMCOUNTER23,
170 MISCREG_HPMCOUNTER24,
171 MISCREG_HPMCOUNTER25,
172 MISCREG_HPMCOUNTER26,
173 MISCREG_HPMCOUNTER27,
174 MISCREG_HPMCOUNTER28,
175 MISCREG_HPMCOUNTER29,
176 MISCREG_HPMCOUNTER30,
177 MISCREG_HPMCOUNTER31,
178 MISCREG_HPMEVENT03,
179 MISCREG_HPMEVENT04,
180 MISCREG_HPMEVENT05,
181 MISCREG_HPMEVENT06,
182 MISCREG_HPMEVENT07,
183 MISCREG_HPMEVENT08,
184 MISCREG_HPMEVENT09,
185 MISCREG_HPMEVENT10,
186 MISCREG_HPMEVENT11,
187 MISCREG_HPMEVENT12,
188 MISCREG_HPMEVENT13,
189 MISCREG_HPMEVENT14,
190 MISCREG_HPMEVENT15,
191 MISCREG_HPMEVENT16,
192 MISCREG_HPMEVENT17,
193 MISCREG_HPMEVENT18,
194 MISCREG_HPMEVENT19,
195 MISCREG_HPMEVENT20,
196 MISCREG_HPMEVENT21,
197 MISCREG_HPMEVENT22,
198 MISCREG_HPMEVENT23,
199 MISCREG_HPMEVENT24,
200 MISCREG_HPMEVENT25,
201 MISCREG_HPMEVENT26,
202 MISCREG_HPMEVENT27,
203 MISCREG_HPMEVENT28,
204 MISCREG_HPMEVENT29,
205 MISCREG_HPMEVENT30,
206 MISCREG_HPMEVENT31,
207 MISCREG_TSELECT,
208 MISCREG_TDATA1,
209 MISCREG_TDATA2,
210 MISCREG_TDATA3,
211 MISCREG_DCSR,
212 MISCREG_DPC,
213 MISCREG_DSCRATCH,
214
215 MISCREG_MEDELEG,
216 MISCREG_MIDELEG,
217 MISCREG_MTVEC,
218 MISCREG_MCOUNTEREN,
219 MISCREG_MSCRATCH,
220 MISCREG_MEPC,
221 MISCREG_MCAUSE,
222 MISCREG_MTVAL,
223 MISCREG_PMPCFG0,
224 // pmpcfg1 rv32 only
225 MISCREG_PMPCFG2,
226 // pmpcfg3 rv32 only
227 MISCREG_PMPADDR00,
228 MISCREG_PMPADDR01,
229 MISCREG_PMPADDR02,
230 MISCREG_PMPADDR03,
231 MISCREG_PMPADDR04,
232 MISCREG_PMPADDR05,
233 MISCREG_PMPADDR06,
234 MISCREG_PMPADDR07,
235 MISCREG_PMPADDR08,
236 MISCREG_PMPADDR09,
237 MISCREG_PMPADDR10,
238 MISCREG_PMPADDR11,
239 MISCREG_PMPADDR12,
240 MISCREG_PMPADDR13,
241 MISCREG_PMPADDR14,
242 MISCREG_PMPADDR15,
243
244 MISCREG_SEDELEG,
245 MISCREG_SIDELEG,
246 MISCREG_STVEC,
247 MISCREG_SCOUNTEREN,
248 MISCREG_SSCRATCH,
249 MISCREG_SEPC,
250 MISCREG_SCAUSE,
251 MISCREG_STVAL,
252 MISCREG_SATP,
253
254 MISCREG_UTVEC,
255 MISCREG_USCRATCH,
256 MISCREG_UEPC,
257 MISCREG_UCAUSE,
258 MISCREG_UTVAL,
259 MISCREG_FFLAGS,
260 MISCREG_FRM,
261
262 NUM_MISCREGS
263};
264const int NumMiscRegs = NUM_MISCREGS;
265
266enum CSRIndex {
267 CSR_USTATUS = 0x000,
268 CSR_UIE = 0x004,
269 CSR_UTVEC = 0x005,
270 CSR_USCRATCH = 0x040,
271 CSR_UEPC = 0x041,
272 CSR_UCAUSE = 0x042,
273 CSR_UTVAL = 0x043,
274 CSR_UIP = 0x044,
275 CSR_FFLAGS = 0x001,
276 CSR_FRM = 0x002,
277 CSR_FCSR = 0x003,
278 CSR_CYCLE = 0xC00,
279 CSR_TIME = 0xC01,
280 CSR_INSTRET = 0xC02,
281 CSR_HPMCOUNTER03 = 0xC03,
282 CSR_HPMCOUNTER04 = 0xC04,
283 CSR_HPMCOUNTER05 = 0xC05,
284 CSR_HPMCOUNTER06 = 0xC06,
285 CSR_HPMCOUNTER07 = 0xC07,
286 CSR_HPMCOUNTER08 = 0xC08,
287 CSR_HPMCOUNTER09 = 0xC09,
288 CSR_HPMCOUNTER10 = 0xC0A,
289 CSR_HPMCOUNTER11 = 0xC0B,
290 CSR_HPMCOUNTER12 = 0xC0C,
291 CSR_HPMCOUNTER13 = 0xC0D,
292 CSR_HPMCOUNTER14 = 0xC0E,
293 CSR_HPMCOUNTER15 = 0xC0F,
294 CSR_HPMCOUNTER16 = 0xC10,
295 CSR_HPMCOUNTER17 = 0xC11,
296 CSR_HPMCOUNTER18 = 0xC12,
297 CSR_HPMCOUNTER19 = 0xC13,
298 CSR_HPMCOUNTER20 = 0xC14,
299 CSR_HPMCOUNTER21 = 0xC15,
300 CSR_HPMCOUNTER22 = 0xC16,
301 CSR_HPMCOUNTER23 = 0xC17,
302 CSR_HPMCOUNTER24 = 0xC18,
303 CSR_HPMCOUNTER25 = 0xC19,
304 CSR_HPMCOUNTER26 = 0xC1A,
305 CSR_HPMCOUNTER27 = 0xC1B,
306 CSR_HPMCOUNTER28 = 0xC1C,
307 CSR_HPMCOUNTER29 = 0xC1D,
308 CSR_HPMCOUNTER30 = 0xC1E,
309 CSR_HPMCOUNTER31 = 0xC1F,
310 // HPMCOUNTERH rv32 only
311
312 CSR_SSTATUS = 0x100,
313 CSR_SEDELEG = 0x102,
314 CSR_SIDELEG = 0x103,
315 CSR_SIE = 0x104,
316 CSR_STVEC = 0x105,
317 CSR_SCOUNTEREN = 0x106,
318 CSR_SSCRATCH = 0x140,
319 CSR_SEPC = 0x141,
320 CSR_SCAUSE = 0x142,
321 CSR_STVAL = 0x143,
322 CSR_SIP = 0x144,
323 CSR_SATP = 0x180,
324
325 CSR_MVENDORID = 0xF11,
326 CSR_MARCHID = 0xF12,
327 CSR_MIMPID = 0xF13,
328 CSR_MHARTID = 0xF14,
329 CSR_MSTATUS = 0x300,
330 CSR_MISA = 0x301,
331 CSR_MEDELEG = 0x302,
332 CSR_MIDELEG = 0x303,
333 CSR_MIE = 0x304,
334 CSR_MTVEC = 0x305,
335 CSR_MCOUNTEREN = 0x306,
336 CSR_MSCRATCH = 0x340,
337 CSR_MEPC = 0x341,
338 CSR_MCAUSE = 0x342,
339 CSR_MTVAL = 0x343,
340 CSR_MIP = 0x344,
341 CSR_PMPCFG0 = 0x3A0,
342 // pmpcfg1 rv32 only
343 CSR_PMPCFG2 = 0x3A2,
344 // pmpcfg3 rv32 only
345 CSR_PMPADDR00 = 0x3B0,
346 CSR_PMPADDR01 = 0x3B1,
347 CSR_PMPADDR02 = 0x3B2,
348 CSR_PMPADDR03 = 0x3B3,
349 CSR_PMPADDR04 = 0x3B4,
350 CSR_PMPADDR05 = 0x3B5,
351 CSR_PMPADDR06 = 0x3B6,
352 CSR_PMPADDR07 = 0x3B7,
353 CSR_PMPADDR08 = 0x3B8,
354 CSR_PMPADDR09 = 0x3B9,
355 CSR_PMPADDR10 = 0x3BA,
356 CSR_PMPADDR11 = 0x3BB,
357 CSR_PMPADDR12 = 0x3BC,
358 CSR_PMPADDR13 = 0x3BD,
359 CSR_PMPADDR14 = 0x3BE,
360 CSR_PMPADDR15 = 0x3BF,
361 CSR_MCYCLE = 0xB00,
362 CSR_MINSTRET = 0xB02,
363 CSR_MHPMCOUNTER03 = 0xC03,
364 CSR_MHPMCOUNTER04 = 0xC04,
365 CSR_MHPMCOUNTER05 = 0xC05,
366 CSR_MHPMCOUNTER06 = 0xC06,
367 CSR_MHPMCOUNTER07 = 0xC07,
368 CSR_MHPMCOUNTER08 = 0xC08,
369 CSR_MHPMCOUNTER09 = 0xC09,
370 CSR_MHPMCOUNTER10 = 0xC0A,
371 CSR_MHPMCOUNTER11 = 0xC0B,
372 CSR_MHPMCOUNTER12 = 0xC0C,
373 CSR_MHPMCOUNTER13 = 0xC0D,
374 CSR_MHPMCOUNTER14 = 0xC0E,
375 CSR_MHPMCOUNTER15 = 0xC0F,
376 CSR_MHPMCOUNTER16 = 0xC10,
377 CSR_MHPMCOUNTER17 = 0xC11,
378 CSR_MHPMCOUNTER18 = 0xC12,
379 CSR_MHPMCOUNTER19 = 0xC13,
380 CSR_MHPMCOUNTER20 = 0xC14,
381 CSR_MHPMCOUNTER21 = 0xC15,
382 CSR_MHPMCOUNTER22 = 0xC16,
383 CSR_MHPMCOUNTER23 = 0xC17,
384 CSR_MHPMCOUNTER24 = 0xC18,
385 CSR_MHPMCOUNTER25 = 0xC19,
386 CSR_MHPMCOUNTER26 = 0xC1A,
387 CSR_MHPMCOUNTER27 = 0xC1B,
388 CSR_MHPMCOUNTER28 = 0xC1C,
389 CSR_MHPMCOUNTER29 = 0xC1D,
390 CSR_MHPMCOUNTER30 = 0xC1E,
391 CSR_MHPMCOUNTER31 = 0xC1F,
392 // MHPMCOUNTERH rv32 only
393 CSR_MHPMEVENT03 = 0x323,
394 CSR_MHPMEVENT04 = 0x324,
395 CSR_MHPMEVENT05 = 0x325,
396 CSR_MHPMEVENT06 = 0x326,
397 CSR_MHPMEVENT07 = 0x327,
398 CSR_MHPMEVENT08 = 0x328,
399 CSR_MHPMEVENT09 = 0x329,
400 CSR_MHPMEVENT10 = 0x32A,
401 CSR_MHPMEVENT11 = 0x32B,
402 CSR_MHPMEVENT12 = 0x32C,
403 CSR_MHPMEVENT13 = 0x32D,
404 CSR_MHPMEVENT14 = 0x32E,
405 CSR_MHPMEVENT15 = 0x32F,
406 CSR_MHPMEVENT16 = 0x330,
407 CSR_MHPMEVENT17 = 0x331,
408 CSR_MHPMEVENT18 = 0x332,
409 CSR_MHPMEVENT19 = 0x333,
410 CSR_MHPMEVENT20 = 0x334,
411 CSR_MHPMEVENT21 = 0x335,
412 CSR_MHPMEVENT22 = 0x336,
413 CSR_MHPMEVENT23 = 0x337,
414 CSR_MHPMEVENT24 = 0x338,
415 CSR_MHPMEVENT25 = 0x339,
416 CSR_MHPMEVENT26 = 0x33A,
417 CSR_MHPMEVENT27 = 0x33B,
418 CSR_MHPMEVENT28 = 0x33C,
419 CSR_MHPMEVENT29 = 0x33D,
420 CSR_MHPMEVENT30 = 0x33E,
421 CSR_MHPMEVENT31 = 0x33F,
422
423 CSR_TSELECT = 0x7A0,
424 CSR_TDATA1 = 0x7A1,
425 CSR_TDATA2 = 0x7A2,
426 CSR_TDATA3 = 0x7A3,
427 CSR_DCSR = 0x7B0,
428 CSR_DPC = 0x7B1,
429 CSR_DSCRATCH = 0x7B2
430};
431
432struct CSRMetadata
433{
434 const std::string name;
435 const int physIndex;
436};
437
438const std::map<int, CSRMetadata> CSRData = {
439 {CSR_USTATUS, {"ustatus", MISCREG_STATUS}},
440 {CSR_UIE, {"uie", MISCREG_IE}},
441 {CSR_UTVEC, {"utvec", MISCREG_UTVEC}},
442 {CSR_USCRATCH, {"uscratch", MISCREG_USCRATCH}},
443 {CSR_UEPC, {"uepc", MISCREG_UEPC}},
444 {CSR_UCAUSE, {"ucause", MISCREG_UCAUSE}},
445 {CSR_UTVAL, {"utval", MISCREG_UTVAL}},
446 {CSR_UIP, {"uip", MISCREG_IP}},
447 {CSR_FFLAGS, {"fflags", MISCREG_FFLAGS}},
448 {CSR_FRM, {"frm", MISCREG_FRM}},
449 {CSR_FCSR, {"fcsr", MISCREG_FFLAGS}}, // Actually FRM << 5 | FFLAGS
450 {CSR_CYCLE, {"cycle", MISCREG_CYCLE}},
451 {CSR_TIME, {"time", MISCREG_TIME}},
452 {CSR_INSTRET, {"instret", MISCREG_INSTRET}},
453 {CSR_HPMCOUNTER03, {"hpmcounter03", MISCREG_HPMCOUNTER03}},
454 {CSR_HPMCOUNTER04, {"hpmcounter04", MISCREG_HPMCOUNTER04}},
455 {CSR_HPMCOUNTER05, {"hpmcounter05", MISCREG_HPMCOUNTER05}},
456 {CSR_HPMCOUNTER06, {"hpmcounter06", MISCREG_HPMCOUNTER06}},
457 {CSR_HPMCOUNTER07, {"hpmcounter07", MISCREG_HPMCOUNTER07}},
458 {CSR_HPMCOUNTER08, {"hpmcounter08", MISCREG_HPMCOUNTER08}},
459 {CSR_HPMCOUNTER09, {"hpmcounter09", MISCREG_HPMCOUNTER09}},
460 {CSR_HPMCOUNTER10, {"hpmcounter10", MISCREG_HPMCOUNTER10}},
461 {CSR_HPMCOUNTER11, {"hpmcounter11", MISCREG_HPMCOUNTER11}},
462 {CSR_HPMCOUNTER12, {"hpmcounter12", MISCREG_HPMCOUNTER12}},
463 {CSR_HPMCOUNTER13, {"hpmcounter13", MISCREG_HPMCOUNTER13}},
464 {CSR_HPMCOUNTER14, {"hpmcounter14", MISCREG_HPMCOUNTER14}},
465 {CSR_HPMCOUNTER15, {"hpmcounter15", MISCREG_HPMCOUNTER15}},
466 {CSR_HPMCOUNTER16, {"hpmcounter16", MISCREG_HPMCOUNTER16}},
467 {CSR_HPMCOUNTER17, {"hpmcounter17", MISCREG_HPMCOUNTER17}},
468 {CSR_HPMCOUNTER18, {"hpmcounter18", MISCREG_HPMCOUNTER18}},
469 {CSR_HPMCOUNTER19, {"hpmcounter19", MISCREG_HPMCOUNTER19}},
470 {CSR_HPMCOUNTER20, {"hpmcounter20", MISCREG_HPMCOUNTER20}},
471 {CSR_HPMCOUNTER21, {"hpmcounter21", MISCREG_HPMCOUNTER21}},
472 {CSR_HPMCOUNTER22, {"hpmcounter22", MISCREG_HPMCOUNTER22}},
473 {CSR_HPMCOUNTER23, {"hpmcounter23", MISCREG_HPMCOUNTER23}},
474 {CSR_HPMCOUNTER24, {"hpmcounter24", MISCREG_HPMCOUNTER24}},
475 {CSR_HPMCOUNTER25, {"hpmcounter25", MISCREG_HPMCOUNTER25}},
476 {CSR_HPMCOUNTER26, {"hpmcounter26", MISCREG_HPMCOUNTER26}},
477 {CSR_HPMCOUNTER27, {"hpmcounter27", MISCREG_HPMCOUNTER27}},
478 {CSR_HPMCOUNTER28, {"hpmcounter28", MISCREG_HPMCOUNTER28}},
479 {CSR_HPMCOUNTER29, {"hpmcounter29", MISCREG_HPMCOUNTER29}},
480 {CSR_HPMCOUNTER30, {"hpmcounter30", MISCREG_HPMCOUNTER30}},
481 {CSR_HPMCOUNTER31, {"hpmcounter31", MISCREG_HPMCOUNTER31}},
482
483 {CSR_SSTATUS, {"sstatus", MISCREG_STATUS}},
484 {CSR_SEDELEG, {"sedeleg", MISCREG_SEDELEG}},
485 {CSR_SIDELEG, {"sideleg", MISCREG_SIDELEG}},
486 {CSR_SIE, {"sie", MISCREG_IE}},
487 {CSR_STVEC, {"stvec", MISCREG_STVEC}},
488 {CSR_SCOUNTEREN, {"scounteren", MISCREG_SCOUNTEREN}},
489 {CSR_SSCRATCH, {"sscratch", MISCREG_SSCRATCH}},
490 {CSR_SEPC, {"sepc", MISCREG_SEPC}},
491 {CSR_SCAUSE, {"scause", MISCREG_SCAUSE}},
492 {CSR_STVAL, {"stval", MISCREG_STVAL}},
493 {CSR_SIP, {"sip", MISCREG_IP}},
494 {CSR_SATP, {"satp", MISCREG_SATP}},
495
496 {CSR_MVENDORID, {"mvendorid", MISCREG_VENDORID}},
497 {CSR_MARCHID, {"marchid", MISCREG_ARCHID}},
498 {CSR_MIMPID, {"mimpid", MISCREG_IMPID}},
499 {CSR_MHARTID, {"mhartid", MISCREG_HARTID}},
500 {CSR_MSTATUS, {"mstatus", MISCREG_STATUS}},
501 {CSR_MISA, {"misa", MISCREG_ISA}},
502 {CSR_MEDELEG, {"medeleg", MISCREG_MEDELEG}},
503 {CSR_MIDELEG, {"mideleg", MISCREG_MIDELEG}},
504 {CSR_MIE, {"mie", MISCREG_IE}},
505 {CSR_MTVEC, {"mtvec", MISCREG_MTVEC}},
506 {CSR_MCOUNTEREN, {"mcounteren", MISCREG_MCOUNTEREN}},
507 {CSR_MSCRATCH, {"mscratch", MISCREG_MSCRATCH}},
508 {CSR_MEPC, {"mepc", MISCREG_MEPC}},
509 {CSR_MCAUSE, {"mcause", MISCREG_MCAUSE}},
510 {CSR_MTVAL, {"mtval", MISCREG_MTVAL}},
511 {CSR_MIP, {"mip", MISCREG_IP}},
512 {CSR_PMPCFG0, {"pmpcfg0", MISCREG_PMPCFG0}},
513 // pmpcfg1 rv32 only
514 {CSR_PMPCFG2, {"pmpcfg2", MISCREG_PMPCFG2}},
515 // pmpcfg3 rv32 only
516 {CSR_PMPADDR00, {"pmpaddr0", MISCREG_PMPADDR00}},
517 {CSR_PMPADDR01, {"pmpaddr1", MISCREG_PMPADDR01}},
518 {CSR_PMPADDR02, {"pmpaddr2", MISCREG_PMPADDR02}},
519 {CSR_PMPADDR03, {"pmpaddr3", MISCREG_PMPADDR03}},
520 {CSR_PMPADDR04, {"pmpaddr4", MISCREG_PMPADDR04}},
521 {CSR_PMPADDR05, {"pmpaddr5", MISCREG_PMPADDR05}},
522 {CSR_PMPADDR06, {"pmpaddr6", MISCREG_PMPADDR06}},
523 {CSR_PMPADDR07, {"pmpaddr7", MISCREG_PMPADDR07}},
524 {CSR_PMPADDR08, {"pmpaddr8", MISCREG_PMPADDR08}},
525 {CSR_PMPADDR09, {"pmpaddr9", MISCREG_PMPADDR09}},
526 {CSR_PMPADDR10, {"pmpaddr10", MISCREG_PMPADDR10}},
527 {CSR_PMPADDR11, {"pmpaddr11", MISCREG_PMPADDR11}},
528 {CSR_PMPADDR12, {"pmpaddr12", MISCREG_PMPADDR12}},
529 {CSR_PMPADDR13, {"pmpaddr13", MISCREG_PMPADDR13}},
530 {CSR_PMPADDR14, {"pmpaddr14", MISCREG_PMPADDR14}},
531 {CSR_PMPADDR15, {"pmpaddr15", MISCREG_PMPADDR15}},
532 {CSR_MCYCLE, {"mcycle", MISCREG_CYCLE}},
533 {CSR_MINSTRET, {"minstret", MISCREG_INSTRET}},
534 {CSR_MHPMCOUNTER03, {"mhpmcounter03", MISCREG_HPMCOUNTER03}},
535 {CSR_MHPMCOUNTER04, {"mhpmcounter04", MISCREG_HPMCOUNTER04}},
536 {CSR_MHPMCOUNTER05, {"mhpmcounter05", MISCREG_HPMCOUNTER05}},
537 {CSR_MHPMCOUNTER06, {"mhpmcounter06", MISCREG_HPMCOUNTER06}},
538 {CSR_MHPMCOUNTER07, {"mhpmcounter07", MISCREG_HPMCOUNTER07}},
539 {CSR_MHPMCOUNTER08, {"mhpmcounter08", MISCREG_HPMCOUNTER08}},
540 {CSR_MHPMCOUNTER09, {"mhpmcounter09", MISCREG_HPMCOUNTER09}},
541 {CSR_MHPMCOUNTER10, {"mhpmcounter10", MISCREG_HPMCOUNTER10}},
542 {CSR_MHPMCOUNTER11, {"mhpmcounter11", MISCREG_HPMCOUNTER11}},
543 {CSR_MHPMCOUNTER12, {"mhpmcounter12", MISCREG_HPMCOUNTER12}},
544 {CSR_MHPMCOUNTER13, {"mhpmcounter13", MISCREG_HPMCOUNTER13}},
545 {CSR_MHPMCOUNTER14, {"mhpmcounter14", MISCREG_HPMCOUNTER14}},
546 {CSR_MHPMCOUNTER15, {"mhpmcounter15", MISCREG_HPMCOUNTER15}},
547 {CSR_MHPMCOUNTER16, {"mhpmcounter16", MISCREG_HPMCOUNTER16}},
548 {CSR_MHPMCOUNTER17, {"mhpmcounter17", MISCREG_HPMCOUNTER17}},
549 {CSR_MHPMCOUNTER18, {"mhpmcounter18", MISCREG_HPMCOUNTER18}},
550 {CSR_MHPMCOUNTER19, {"mhpmcounter19", MISCREG_HPMCOUNTER19}},
551 {CSR_MHPMCOUNTER20, {"mhpmcounter20", MISCREG_HPMCOUNTER20}},
552 {CSR_MHPMCOUNTER21, {"mhpmcounter21", MISCREG_HPMCOUNTER21}},
553 {CSR_MHPMCOUNTER22, {"mhpmcounter22", MISCREG_HPMCOUNTER22}},
554 {CSR_MHPMCOUNTER23, {"mhpmcounter23", MISCREG_HPMCOUNTER23}},
555 {CSR_MHPMCOUNTER24, {"mhpmcounter24", MISCREG_HPMCOUNTER24}},
556 {CSR_MHPMCOUNTER25, {"mhpmcounter25", MISCREG_HPMCOUNTER25}},
557 {CSR_MHPMCOUNTER26, {"mhpmcounter26", MISCREG_HPMCOUNTER26}},
558 {CSR_MHPMCOUNTER27, {"mhpmcounter27", MISCREG_HPMCOUNTER27}},
559 {CSR_MHPMCOUNTER28, {"mhpmcounter28", MISCREG_HPMCOUNTER28}},
560 {CSR_MHPMCOUNTER29, {"mhpmcounter29", MISCREG_HPMCOUNTER29}},
561 {CSR_MHPMCOUNTER30, {"mhpmcounter30", MISCREG_HPMCOUNTER30}},
562 {CSR_MHPMCOUNTER31, {"mhpmcounter31", MISCREG_HPMCOUNTER31}},
563 {CSR_MHPMEVENT03, {"mhpmevent03", MISCREG_HPMEVENT03}},
564 {CSR_MHPMEVENT04, {"mhpmevent04", MISCREG_HPMEVENT04}},
565 {CSR_MHPMEVENT05, {"mhpmevent05", MISCREG_HPMEVENT05}},
566 {CSR_MHPMEVENT06, {"mhpmevent06", MISCREG_HPMEVENT06}},
567 {CSR_MHPMEVENT07, {"mhpmevent07", MISCREG_HPMEVENT07}},
568 {CSR_MHPMEVENT08, {"mhpmevent08", MISCREG_HPMEVENT08}},
569 {CSR_MHPMEVENT09, {"mhpmevent09", MISCREG_HPMEVENT09}},
570 {CSR_MHPMEVENT10, {"mhpmevent10", MISCREG_HPMEVENT10}},
571 {CSR_MHPMEVENT11, {"mhpmevent11", MISCREG_HPMEVENT11}},
572 {CSR_MHPMEVENT12, {"mhpmevent12", MISCREG_HPMEVENT12}},
573 {CSR_MHPMEVENT13, {"mhpmevent13", MISCREG_HPMEVENT13}},
574 {CSR_MHPMEVENT14, {"mhpmevent14", MISCREG_HPMEVENT14}},
575 {CSR_MHPMEVENT15, {"mhpmevent15", MISCREG_HPMEVENT15}},
576 {CSR_MHPMEVENT16, {"mhpmevent16", MISCREG_HPMEVENT16}},
577 {CSR_MHPMEVENT17, {"mhpmevent17", MISCREG_HPMEVENT17}},
578 {CSR_MHPMEVENT18, {"mhpmevent18", MISCREG_HPMEVENT18}},
579 {CSR_MHPMEVENT19, {"mhpmevent19", MISCREG_HPMEVENT19}},
580 {CSR_MHPMEVENT20, {"mhpmevent20", MISCREG_HPMEVENT20}},
581 {CSR_MHPMEVENT21, {"mhpmevent21", MISCREG_HPMEVENT21}},
582 {CSR_MHPMEVENT22, {"mhpmevent22", MISCREG_HPMEVENT22}},
583 {CSR_MHPMEVENT23, {"mhpmevent23", MISCREG_HPMEVENT23}},
584 {CSR_MHPMEVENT24, {"mhpmevent24", MISCREG_HPMEVENT24}},
585 {CSR_MHPMEVENT25, {"mhpmevent25", MISCREG_HPMEVENT25}},
586 {CSR_MHPMEVENT26, {"mhpmevent26", MISCREG_HPMEVENT26}},
587 {CSR_MHPMEVENT27, {"mhpmevent27", MISCREG_HPMEVENT27}},
588 {CSR_MHPMEVENT28, {"mhpmevent28", MISCREG_HPMEVENT28}},
589 {CSR_MHPMEVENT29, {"mhpmevent29", MISCREG_HPMEVENT29}},
590 {CSR_MHPMEVENT30, {"mhpmevent30", MISCREG_HPMEVENT30}},
591 {CSR_MHPMEVENT31, {"mhpmevent31", MISCREG_HPMEVENT31}},
592
593 {CSR_TSELECT, {"tselect", MISCREG_TSELECT}},
594 {CSR_TDATA1, {"tdata1", MISCREG_TDATA1}},
595 {CSR_TDATA2, {"tdata2", MISCREG_TDATA2}},
596 {CSR_TDATA3, {"tdata3", MISCREG_TDATA3}},
597 {CSR_DCSR, {"dcsr", MISCREG_DCSR}},
598 {CSR_DPC, {"dpc", MISCREG_DPC}},
599 {CSR_DSCRATCH, {"dscratch", MISCREG_DSCRATCH}}
600};
601
602/**
603 * These fields are specified in the RISC-V Instruction Set Manual, Volume II,
604 * v1.10, accessible at www.riscv.org. in Figure 3.7. The main register that
605 * uses these fields is the MSTATUS register, which is shadowed by two others
606 * accessible at lower privilege levels (SSTATUS and USTATUS) that can't see
607 * the fields for higher privileges.
608 */
609BitUnion64(STATUS)
610 Bitfield<63> sd;
611 Bitfield<35, 34> sxl;
612 Bitfield<33, 32> uxl;
613 Bitfield<22> tsr;
614 Bitfield<21> tw;
615 Bitfield<20> tvm;
616 Bitfield<19> mxr;
617 Bitfield<18> sum;
618 Bitfield<17> mprv;
619 Bitfield<16, 15> xs;
620 Bitfield<14, 13> fs;
621 Bitfield<12, 11> mpp;
622 Bitfield<8> spp;
623 Bitfield<7> mpie;
624 Bitfield<5> spie;
625 Bitfield<4> upie;
626 Bitfield<3> mie;
627 Bitfield<1> sie;
628 Bitfield<0> uie;
629EndBitUnion(STATUS)
630
631/**
632 * These fields are specified in the RISC-V Instruction Set Manual, Volume II,
633 * v1.10 in Figures 3.11 and 3.12, accessible at www.riscv.org. Both the MIP
634 * and MIE registers have the same fields, so accesses to either should use
635 * this bit union.
636 */
637BitUnion64(INTERRUPT)
638 Bitfield<11> mei;
639 Bitfield<9> sei;
640 Bitfield<8> uei;
641 Bitfield<7> mti;
642 Bitfield<5> sti;
643 Bitfield<4> uti;
644 Bitfield<3> msi;
645 Bitfield<1> ssi;
646 Bitfield<0> usi;
647EndBitUnion(INTERRUPT)
648
649const off_t MXL_OFFSET = (sizeof(uint64_t) * 8 - 2);
650const off_t SXL_OFFSET = 34;
651const off_t UXL_OFFSET = 32;
652const off_t FS_OFFSET = 13;
653const off_t FRM_OFFSET = 5;
654
655const RegVal ISA_MXL_MASK = 3ULL << MXL_OFFSET;
656const RegVal ISA_EXT_MASK = mask(26);
657const RegVal MISA_MASK = ISA_MXL_MASK | ISA_EXT_MASK;
658
659const RegVal STATUS_SD_MASK = 1ULL << ((sizeof(uint64_t) * 8) - 1);
660const RegVal STATUS_SXL_MASK = 3ULL << SXL_OFFSET;
661const RegVal STATUS_UXL_MASK = 3ULL << UXL_OFFSET;
662const RegVal STATUS_TSR_MASK = 1ULL << 22;
663const RegVal STATUS_TW_MASK = 1ULL << 21;
664const RegVal STATUS_TVM_MASK = 1ULL << 20;
665const RegVal STATUS_MXR_MASK = 1ULL << 19;
666const RegVal STATUS_SUM_MASK = 1ULL << 18;
667const RegVal STATUS_MPRV_MASK = 1ULL << 17;
668const RegVal STATUS_XS_MASK = 3ULL << 15;
669const RegVal STATUS_FS_MASK = 3ULL << FS_OFFSET;
670const RegVal STATUS_MPP_MASK = 3ULL << 11;
671const RegVal STATUS_SPP_MASK = 1ULL << 8;
672const RegVal STATUS_MPIE_MASK = 1ULL << 7;
673const RegVal STATUS_SPIE_MASK = 1ULL << 5;
674const RegVal STATUS_UPIE_MASK = 1ULL << 4;
675const RegVal STATUS_MIE_MASK = 1ULL << 3;
676const RegVal STATUS_SIE_MASK = 1ULL << 1;
677const RegVal STATUS_UIE_MASK = 1ULL << 0;
678const RegVal MSTATUS_MASK = STATUS_SD_MASK | STATUS_SXL_MASK |
679 STATUS_UXL_MASK | STATUS_TSR_MASK |
680 STATUS_TW_MASK | STATUS_TVM_MASK |
681 STATUS_MXR_MASK | STATUS_SUM_MASK |
682 STATUS_MPRV_MASK | STATUS_XS_MASK |
683 STATUS_FS_MASK | STATUS_MPP_MASK |
684 STATUS_SPP_MASK | STATUS_MPIE_MASK |
685 STATUS_SPIE_MASK | STATUS_UPIE_MASK |
686 STATUS_MIE_MASK | STATUS_SIE_MASK |
687 STATUS_UIE_MASK;
688const RegVal SSTATUS_MASK = STATUS_SD_MASK | STATUS_UXL_MASK |
689 STATUS_MXR_MASK | STATUS_SUM_MASK |
690 STATUS_XS_MASK | STATUS_FS_MASK |
691 STATUS_SPP_MASK | STATUS_SPIE_MASK |
692 STATUS_UPIE_MASK | STATUS_SIE_MASK |
693 STATUS_UIE_MASK;
694const RegVal USTATUS_MASK = STATUS_SD_MASK | STATUS_MXR_MASK |
695 STATUS_SUM_MASK | STATUS_XS_MASK |
696 STATUS_FS_MASK | STATUS_UPIE_MASK |
697 STATUS_UIE_MASK;
698
699const RegVal MEI_MASK = 1ULL << 11;
700const RegVal SEI_MASK = 1ULL << 9;
701const RegVal UEI_MASK = 1ULL << 8;
702const RegVal MTI_MASK = 1ULL << 7;
703const RegVal STI_MASK = 1ULL << 5;
704const RegVal UTI_MASK = 1ULL << 4;
705const RegVal MSI_MASK = 1ULL << 3;
706const RegVal SSI_MASK = 1ULL << 1;
707const RegVal USI_MASK = 1ULL << 0;
708const RegVal MI_MASK = MEI_MASK | SEI_MASK | UEI_MASK |
709 MTI_MASK | STI_MASK | UTI_MASK |
710 MSI_MASK | SSI_MASK | USI_MASK;
711const RegVal SI_MASK = SEI_MASK | UEI_MASK |
712 STI_MASK | UTI_MASK |
713 SSI_MASK | USI_MASK;
714const RegVal UI_MASK = UEI_MASK | UTI_MASK | USI_MASK;
715const RegVal FFLAGS_MASK = (1 << FRM_OFFSET) - 1;
716const RegVal FRM_MASK = 0x7;
717
718const std::map<int, RegVal> CSRMasks = {
719 {CSR_USTATUS, USTATUS_MASK},
720 {CSR_UIE, UI_MASK},
721 {CSR_UIP, UI_MASK},
722 {CSR_FFLAGS, FFLAGS_MASK},
723 {CSR_FRM, FRM_MASK},
724 {CSR_FCSR, FFLAGS_MASK | (FRM_MASK << FRM_OFFSET)},
725 {CSR_SSTATUS, SSTATUS_MASK},
726 {CSR_SIE, SI_MASK},
727 {CSR_SIP, SI_MASK},
728 {CSR_MSTATUS, MSTATUS_MASK},
729 {CSR_MISA, MISA_MASK},
730 {CSR_MIE, MI_MASK},
731 {CSR_MIP, MI_MASK}
732};
733
734}
735
736#endif // __ARCH_RISCV_REGISTERS_HH__
2 * Copyright (c) 2013 ARM Limited
3 * Copyright (c) 2014-2015 Sven Karlsson
4 * Copyright (c) 2019 Yifei Liu
5 * All rights reserved
6 *
7 * The license below extends only to copyright in the software and shall
8 * not be construed as granting a license to any other intellectual
9 * property including but not limited to intellectual property relating
10 * to a hardware implementation of the functionality of the software
11 * licensed hereunder. You may use the software subject to the license
12 * terms below provided that you ensure that this notice is replicated
13 * unmodified and in its entirety in all distributions of the software,
14 * modified or unmodified, in source code or in binary form.
15 *
16 * Copyright (c) 2016 RISC-V Foundation
17 * Copyright (c) 2016 The University of Virginia
18 * All rights reserved.
19 *
20 * Redistribution and use in source and binary forms, with or without
21 * modification, are permitted provided that the following conditions are
22 * met: redistributions of source code must retain the above copyright
23 * notice, this list of conditions and the following disclaimer;
24 * redistributions in binary form must reproduce the above copyright
25 * notice, this list of conditions and the following disclaimer in the
26 * documentation and/or other materials provided with the distribution;
27 * neither the name of the copyright holders nor the names of its
28 * contributors may be used to endorse or promote products derived from
29 * this software without specific prior written permission.
30 *
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
36 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
37 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
38 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
39 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
40 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
41 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42 *
43 * Authors: Andreas Hansson
44 * Sven Karlsson
45 * Alec Roelke
46 * Yifei Liu
47 * Lin Cheng
48 * Xihao Chen
49 * Cheng Tan
50 */
51
52#ifndef __ARCH_RISCV_REGISTERS_HH__
53#define __ARCH_RISCV_REGISTERS_HH__
54
55#include <map>
56#include <string>
57#include <vector>
58
59#include "arch/generic/types.hh"
60#include "arch/generic/vec_pred_reg.hh"
61#include "arch/generic/vec_reg.hh"
62#include "arch/isa_traits.hh"
63#include "arch/riscv/generated/max_inst_regs.hh"
64#include "base/types.hh"
65
66namespace RiscvISA {
67
68using RiscvISAInst::MaxInstSrcRegs;
69using RiscvISAInst::MaxInstDestRegs;
70const int MaxMiscDestRegs = 1;
71
72// Not applicable to RISC-V
73using VecElem = ::DummyVecElem;
74using VecReg = ::DummyVecReg;
75using ConstVecReg = ::DummyConstVecReg;
76using VecRegContainer = ::DummyVecRegContainer;
77constexpr unsigned NumVecElemPerVecReg = ::DummyNumVecElemPerVecReg;
78constexpr size_t VecRegSizeBytes = ::DummyVecRegSizeBytes;
79
80// Not applicable to RISC-V
81using VecPredReg = ::DummyVecPredReg;
82using ConstVecPredReg = ::DummyConstVecPredReg;
83using VecPredRegContainer = ::DummyVecPredRegContainer;
84constexpr size_t VecPredRegSizeBits = ::DummyVecPredRegSizeBits;
85constexpr bool VecPredRegHasPackedRepr = ::DummyVecPredRegHasPackedRepr;
86
87const int NumIntArchRegs = 32;
88const int NumMicroIntRegs = 1;
89const int NumIntRegs = NumIntArchRegs + NumMicroIntRegs;
90const int NumFloatRegs = 32;
91
92const unsigned NumVecRegs = 1; // Not applicable to RISC-V
93 // (1 to prevent warnings)
94const int NumVecPredRegs = 1; // Not applicable to RISC-V
95 // (1 to prevent warnings)
96
97const int NumCCRegs = 0;
98
99// Semantically meaningful register indices
100const int ZeroReg = 0;
101const int ReturnAddrReg = 1;
102const int StackPointerReg = 2;
103const int GlobalPointerReg = 3;
104const int ThreadPointerReg = 4;
105const int FramePointerReg = 8;
106const int ReturnValueReg = 10;
107const std::vector<int> ReturnValueRegs = {10, 11};
108const std::vector<int> ArgumentRegs = {10, 11, 12, 13, 14, 15, 16, 17};
109const int AMOTempReg = 32;
110
111const int SyscallPseudoReturnReg = 10;
112const std::vector<int> SyscallArgumentRegs = {10, 11, 12, 13, 14, 15, 16};
113const int SyscallNumReg = 17;
114
115const std::vector<std::string> IntRegNames = {
116 "zero", "ra", "sp", "gp",
117 "tp", "t0", "t1", "t2",
118 "s0", "s1", "a0", "a1",
119 "a2", "a3", "a4", "a5",
120 "a6", "a7", "s2", "s3",
121 "s4", "s5", "s6", "s7",
122 "s8", "s9", "s10", "s11",
123 "t3", "t4", "t5", "t6"
124};
125const std::vector<std::string> FloatRegNames = {
126 "ft0", "ft1", "ft2", "ft3",
127 "ft4", "ft5", "ft6", "ft7",
128 "fs0", "fs1", "fa0", "fa1",
129 "fa2", "fa3", "fa4", "fa5",
130 "fa6", "fa7", "fs2", "fs3",
131 "fs4", "fs5", "fs6", "fs7",
132 "fs8", "fs9", "fs10", "fs11",
133 "ft8", "ft9", "ft10", "ft11"
134};
135
136enum MiscRegIndex {
137 MISCREG_PRV = 0,
138 MISCREG_ISA,
139 MISCREG_VENDORID,
140 MISCREG_ARCHID,
141 MISCREG_IMPID,
142 MISCREG_HARTID,
143 MISCREG_STATUS,
144 MISCREG_IP,
145 MISCREG_IE,
146 MISCREG_CYCLE,
147 MISCREG_TIME,
148 MISCREG_INSTRET,
149 MISCREG_HPMCOUNTER03,
150 MISCREG_HPMCOUNTER04,
151 MISCREG_HPMCOUNTER05,
152 MISCREG_HPMCOUNTER06,
153 MISCREG_HPMCOUNTER07,
154 MISCREG_HPMCOUNTER08,
155 MISCREG_HPMCOUNTER09,
156 MISCREG_HPMCOUNTER10,
157 MISCREG_HPMCOUNTER11,
158 MISCREG_HPMCOUNTER12,
159 MISCREG_HPMCOUNTER13,
160 MISCREG_HPMCOUNTER14,
161 MISCREG_HPMCOUNTER15,
162 MISCREG_HPMCOUNTER16,
163 MISCREG_HPMCOUNTER17,
164 MISCREG_HPMCOUNTER18,
165 MISCREG_HPMCOUNTER19,
166 MISCREG_HPMCOUNTER20,
167 MISCREG_HPMCOUNTER21,
168 MISCREG_HPMCOUNTER22,
169 MISCREG_HPMCOUNTER23,
170 MISCREG_HPMCOUNTER24,
171 MISCREG_HPMCOUNTER25,
172 MISCREG_HPMCOUNTER26,
173 MISCREG_HPMCOUNTER27,
174 MISCREG_HPMCOUNTER28,
175 MISCREG_HPMCOUNTER29,
176 MISCREG_HPMCOUNTER30,
177 MISCREG_HPMCOUNTER31,
178 MISCREG_HPMEVENT03,
179 MISCREG_HPMEVENT04,
180 MISCREG_HPMEVENT05,
181 MISCREG_HPMEVENT06,
182 MISCREG_HPMEVENT07,
183 MISCREG_HPMEVENT08,
184 MISCREG_HPMEVENT09,
185 MISCREG_HPMEVENT10,
186 MISCREG_HPMEVENT11,
187 MISCREG_HPMEVENT12,
188 MISCREG_HPMEVENT13,
189 MISCREG_HPMEVENT14,
190 MISCREG_HPMEVENT15,
191 MISCREG_HPMEVENT16,
192 MISCREG_HPMEVENT17,
193 MISCREG_HPMEVENT18,
194 MISCREG_HPMEVENT19,
195 MISCREG_HPMEVENT20,
196 MISCREG_HPMEVENT21,
197 MISCREG_HPMEVENT22,
198 MISCREG_HPMEVENT23,
199 MISCREG_HPMEVENT24,
200 MISCREG_HPMEVENT25,
201 MISCREG_HPMEVENT26,
202 MISCREG_HPMEVENT27,
203 MISCREG_HPMEVENT28,
204 MISCREG_HPMEVENT29,
205 MISCREG_HPMEVENT30,
206 MISCREG_HPMEVENT31,
207 MISCREG_TSELECT,
208 MISCREG_TDATA1,
209 MISCREG_TDATA2,
210 MISCREG_TDATA3,
211 MISCREG_DCSR,
212 MISCREG_DPC,
213 MISCREG_DSCRATCH,
214
215 MISCREG_MEDELEG,
216 MISCREG_MIDELEG,
217 MISCREG_MTVEC,
218 MISCREG_MCOUNTEREN,
219 MISCREG_MSCRATCH,
220 MISCREG_MEPC,
221 MISCREG_MCAUSE,
222 MISCREG_MTVAL,
223 MISCREG_PMPCFG0,
224 // pmpcfg1 rv32 only
225 MISCREG_PMPCFG2,
226 // pmpcfg3 rv32 only
227 MISCREG_PMPADDR00,
228 MISCREG_PMPADDR01,
229 MISCREG_PMPADDR02,
230 MISCREG_PMPADDR03,
231 MISCREG_PMPADDR04,
232 MISCREG_PMPADDR05,
233 MISCREG_PMPADDR06,
234 MISCREG_PMPADDR07,
235 MISCREG_PMPADDR08,
236 MISCREG_PMPADDR09,
237 MISCREG_PMPADDR10,
238 MISCREG_PMPADDR11,
239 MISCREG_PMPADDR12,
240 MISCREG_PMPADDR13,
241 MISCREG_PMPADDR14,
242 MISCREG_PMPADDR15,
243
244 MISCREG_SEDELEG,
245 MISCREG_SIDELEG,
246 MISCREG_STVEC,
247 MISCREG_SCOUNTEREN,
248 MISCREG_SSCRATCH,
249 MISCREG_SEPC,
250 MISCREG_SCAUSE,
251 MISCREG_STVAL,
252 MISCREG_SATP,
253
254 MISCREG_UTVEC,
255 MISCREG_USCRATCH,
256 MISCREG_UEPC,
257 MISCREG_UCAUSE,
258 MISCREG_UTVAL,
259 MISCREG_FFLAGS,
260 MISCREG_FRM,
261
262 NUM_MISCREGS
263};
264const int NumMiscRegs = NUM_MISCREGS;
265
266enum CSRIndex {
267 CSR_USTATUS = 0x000,
268 CSR_UIE = 0x004,
269 CSR_UTVEC = 0x005,
270 CSR_USCRATCH = 0x040,
271 CSR_UEPC = 0x041,
272 CSR_UCAUSE = 0x042,
273 CSR_UTVAL = 0x043,
274 CSR_UIP = 0x044,
275 CSR_FFLAGS = 0x001,
276 CSR_FRM = 0x002,
277 CSR_FCSR = 0x003,
278 CSR_CYCLE = 0xC00,
279 CSR_TIME = 0xC01,
280 CSR_INSTRET = 0xC02,
281 CSR_HPMCOUNTER03 = 0xC03,
282 CSR_HPMCOUNTER04 = 0xC04,
283 CSR_HPMCOUNTER05 = 0xC05,
284 CSR_HPMCOUNTER06 = 0xC06,
285 CSR_HPMCOUNTER07 = 0xC07,
286 CSR_HPMCOUNTER08 = 0xC08,
287 CSR_HPMCOUNTER09 = 0xC09,
288 CSR_HPMCOUNTER10 = 0xC0A,
289 CSR_HPMCOUNTER11 = 0xC0B,
290 CSR_HPMCOUNTER12 = 0xC0C,
291 CSR_HPMCOUNTER13 = 0xC0D,
292 CSR_HPMCOUNTER14 = 0xC0E,
293 CSR_HPMCOUNTER15 = 0xC0F,
294 CSR_HPMCOUNTER16 = 0xC10,
295 CSR_HPMCOUNTER17 = 0xC11,
296 CSR_HPMCOUNTER18 = 0xC12,
297 CSR_HPMCOUNTER19 = 0xC13,
298 CSR_HPMCOUNTER20 = 0xC14,
299 CSR_HPMCOUNTER21 = 0xC15,
300 CSR_HPMCOUNTER22 = 0xC16,
301 CSR_HPMCOUNTER23 = 0xC17,
302 CSR_HPMCOUNTER24 = 0xC18,
303 CSR_HPMCOUNTER25 = 0xC19,
304 CSR_HPMCOUNTER26 = 0xC1A,
305 CSR_HPMCOUNTER27 = 0xC1B,
306 CSR_HPMCOUNTER28 = 0xC1C,
307 CSR_HPMCOUNTER29 = 0xC1D,
308 CSR_HPMCOUNTER30 = 0xC1E,
309 CSR_HPMCOUNTER31 = 0xC1F,
310 // HPMCOUNTERH rv32 only
311
312 CSR_SSTATUS = 0x100,
313 CSR_SEDELEG = 0x102,
314 CSR_SIDELEG = 0x103,
315 CSR_SIE = 0x104,
316 CSR_STVEC = 0x105,
317 CSR_SCOUNTEREN = 0x106,
318 CSR_SSCRATCH = 0x140,
319 CSR_SEPC = 0x141,
320 CSR_SCAUSE = 0x142,
321 CSR_STVAL = 0x143,
322 CSR_SIP = 0x144,
323 CSR_SATP = 0x180,
324
325 CSR_MVENDORID = 0xF11,
326 CSR_MARCHID = 0xF12,
327 CSR_MIMPID = 0xF13,
328 CSR_MHARTID = 0xF14,
329 CSR_MSTATUS = 0x300,
330 CSR_MISA = 0x301,
331 CSR_MEDELEG = 0x302,
332 CSR_MIDELEG = 0x303,
333 CSR_MIE = 0x304,
334 CSR_MTVEC = 0x305,
335 CSR_MCOUNTEREN = 0x306,
336 CSR_MSCRATCH = 0x340,
337 CSR_MEPC = 0x341,
338 CSR_MCAUSE = 0x342,
339 CSR_MTVAL = 0x343,
340 CSR_MIP = 0x344,
341 CSR_PMPCFG0 = 0x3A0,
342 // pmpcfg1 rv32 only
343 CSR_PMPCFG2 = 0x3A2,
344 // pmpcfg3 rv32 only
345 CSR_PMPADDR00 = 0x3B0,
346 CSR_PMPADDR01 = 0x3B1,
347 CSR_PMPADDR02 = 0x3B2,
348 CSR_PMPADDR03 = 0x3B3,
349 CSR_PMPADDR04 = 0x3B4,
350 CSR_PMPADDR05 = 0x3B5,
351 CSR_PMPADDR06 = 0x3B6,
352 CSR_PMPADDR07 = 0x3B7,
353 CSR_PMPADDR08 = 0x3B8,
354 CSR_PMPADDR09 = 0x3B9,
355 CSR_PMPADDR10 = 0x3BA,
356 CSR_PMPADDR11 = 0x3BB,
357 CSR_PMPADDR12 = 0x3BC,
358 CSR_PMPADDR13 = 0x3BD,
359 CSR_PMPADDR14 = 0x3BE,
360 CSR_PMPADDR15 = 0x3BF,
361 CSR_MCYCLE = 0xB00,
362 CSR_MINSTRET = 0xB02,
363 CSR_MHPMCOUNTER03 = 0xC03,
364 CSR_MHPMCOUNTER04 = 0xC04,
365 CSR_MHPMCOUNTER05 = 0xC05,
366 CSR_MHPMCOUNTER06 = 0xC06,
367 CSR_MHPMCOUNTER07 = 0xC07,
368 CSR_MHPMCOUNTER08 = 0xC08,
369 CSR_MHPMCOUNTER09 = 0xC09,
370 CSR_MHPMCOUNTER10 = 0xC0A,
371 CSR_MHPMCOUNTER11 = 0xC0B,
372 CSR_MHPMCOUNTER12 = 0xC0C,
373 CSR_MHPMCOUNTER13 = 0xC0D,
374 CSR_MHPMCOUNTER14 = 0xC0E,
375 CSR_MHPMCOUNTER15 = 0xC0F,
376 CSR_MHPMCOUNTER16 = 0xC10,
377 CSR_MHPMCOUNTER17 = 0xC11,
378 CSR_MHPMCOUNTER18 = 0xC12,
379 CSR_MHPMCOUNTER19 = 0xC13,
380 CSR_MHPMCOUNTER20 = 0xC14,
381 CSR_MHPMCOUNTER21 = 0xC15,
382 CSR_MHPMCOUNTER22 = 0xC16,
383 CSR_MHPMCOUNTER23 = 0xC17,
384 CSR_MHPMCOUNTER24 = 0xC18,
385 CSR_MHPMCOUNTER25 = 0xC19,
386 CSR_MHPMCOUNTER26 = 0xC1A,
387 CSR_MHPMCOUNTER27 = 0xC1B,
388 CSR_MHPMCOUNTER28 = 0xC1C,
389 CSR_MHPMCOUNTER29 = 0xC1D,
390 CSR_MHPMCOUNTER30 = 0xC1E,
391 CSR_MHPMCOUNTER31 = 0xC1F,
392 // MHPMCOUNTERH rv32 only
393 CSR_MHPMEVENT03 = 0x323,
394 CSR_MHPMEVENT04 = 0x324,
395 CSR_MHPMEVENT05 = 0x325,
396 CSR_MHPMEVENT06 = 0x326,
397 CSR_MHPMEVENT07 = 0x327,
398 CSR_MHPMEVENT08 = 0x328,
399 CSR_MHPMEVENT09 = 0x329,
400 CSR_MHPMEVENT10 = 0x32A,
401 CSR_MHPMEVENT11 = 0x32B,
402 CSR_MHPMEVENT12 = 0x32C,
403 CSR_MHPMEVENT13 = 0x32D,
404 CSR_MHPMEVENT14 = 0x32E,
405 CSR_MHPMEVENT15 = 0x32F,
406 CSR_MHPMEVENT16 = 0x330,
407 CSR_MHPMEVENT17 = 0x331,
408 CSR_MHPMEVENT18 = 0x332,
409 CSR_MHPMEVENT19 = 0x333,
410 CSR_MHPMEVENT20 = 0x334,
411 CSR_MHPMEVENT21 = 0x335,
412 CSR_MHPMEVENT22 = 0x336,
413 CSR_MHPMEVENT23 = 0x337,
414 CSR_MHPMEVENT24 = 0x338,
415 CSR_MHPMEVENT25 = 0x339,
416 CSR_MHPMEVENT26 = 0x33A,
417 CSR_MHPMEVENT27 = 0x33B,
418 CSR_MHPMEVENT28 = 0x33C,
419 CSR_MHPMEVENT29 = 0x33D,
420 CSR_MHPMEVENT30 = 0x33E,
421 CSR_MHPMEVENT31 = 0x33F,
422
423 CSR_TSELECT = 0x7A0,
424 CSR_TDATA1 = 0x7A1,
425 CSR_TDATA2 = 0x7A2,
426 CSR_TDATA3 = 0x7A3,
427 CSR_DCSR = 0x7B0,
428 CSR_DPC = 0x7B1,
429 CSR_DSCRATCH = 0x7B2
430};
431
432struct CSRMetadata
433{
434 const std::string name;
435 const int physIndex;
436};
437
438const std::map<int, CSRMetadata> CSRData = {
439 {CSR_USTATUS, {"ustatus", MISCREG_STATUS}},
440 {CSR_UIE, {"uie", MISCREG_IE}},
441 {CSR_UTVEC, {"utvec", MISCREG_UTVEC}},
442 {CSR_USCRATCH, {"uscratch", MISCREG_USCRATCH}},
443 {CSR_UEPC, {"uepc", MISCREG_UEPC}},
444 {CSR_UCAUSE, {"ucause", MISCREG_UCAUSE}},
445 {CSR_UTVAL, {"utval", MISCREG_UTVAL}},
446 {CSR_UIP, {"uip", MISCREG_IP}},
447 {CSR_FFLAGS, {"fflags", MISCREG_FFLAGS}},
448 {CSR_FRM, {"frm", MISCREG_FRM}},
449 {CSR_FCSR, {"fcsr", MISCREG_FFLAGS}}, // Actually FRM << 5 | FFLAGS
450 {CSR_CYCLE, {"cycle", MISCREG_CYCLE}},
451 {CSR_TIME, {"time", MISCREG_TIME}},
452 {CSR_INSTRET, {"instret", MISCREG_INSTRET}},
453 {CSR_HPMCOUNTER03, {"hpmcounter03", MISCREG_HPMCOUNTER03}},
454 {CSR_HPMCOUNTER04, {"hpmcounter04", MISCREG_HPMCOUNTER04}},
455 {CSR_HPMCOUNTER05, {"hpmcounter05", MISCREG_HPMCOUNTER05}},
456 {CSR_HPMCOUNTER06, {"hpmcounter06", MISCREG_HPMCOUNTER06}},
457 {CSR_HPMCOUNTER07, {"hpmcounter07", MISCREG_HPMCOUNTER07}},
458 {CSR_HPMCOUNTER08, {"hpmcounter08", MISCREG_HPMCOUNTER08}},
459 {CSR_HPMCOUNTER09, {"hpmcounter09", MISCREG_HPMCOUNTER09}},
460 {CSR_HPMCOUNTER10, {"hpmcounter10", MISCREG_HPMCOUNTER10}},
461 {CSR_HPMCOUNTER11, {"hpmcounter11", MISCREG_HPMCOUNTER11}},
462 {CSR_HPMCOUNTER12, {"hpmcounter12", MISCREG_HPMCOUNTER12}},
463 {CSR_HPMCOUNTER13, {"hpmcounter13", MISCREG_HPMCOUNTER13}},
464 {CSR_HPMCOUNTER14, {"hpmcounter14", MISCREG_HPMCOUNTER14}},
465 {CSR_HPMCOUNTER15, {"hpmcounter15", MISCREG_HPMCOUNTER15}},
466 {CSR_HPMCOUNTER16, {"hpmcounter16", MISCREG_HPMCOUNTER16}},
467 {CSR_HPMCOUNTER17, {"hpmcounter17", MISCREG_HPMCOUNTER17}},
468 {CSR_HPMCOUNTER18, {"hpmcounter18", MISCREG_HPMCOUNTER18}},
469 {CSR_HPMCOUNTER19, {"hpmcounter19", MISCREG_HPMCOUNTER19}},
470 {CSR_HPMCOUNTER20, {"hpmcounter20", MISCREG_HPMCOUNTER20}},
471 {CSR_HPMCOUNTER21, {"hpmcounter21", MISCREG_HPMCOUNTER21}},
472 {CSR_HPMCOUNTER22, {"hpmcounter22", MISCREG_HPMCOUNTER22}},
473 {CSR_HPMCOUNTER23, {"hpmcounter23", MISCREG_HPMCOUNTER23}},
474 {CSR_HPMCOUNTER24, {"hpmcounter24", MISCREG_HPMCOUNTER24}},
475 {CSR_HPMCOUNTER25, {"hpmcounter25", MISCREG_HPMCOUNTER25}},
476 {CSR_HPMCOUNTER26, {"hpmcounter26", MISCREG_HPMCOUNTER26}},
477 {CSR_HPMCOUNTER27, {"hpmcounter27", MISCREG_HPMCOUNTER27}},
478 {CSR_HPMCOUNTER28, {"hpmcounter28", MISCREG_HPMCOUNTER28}},
479 {CSR_HPMCOUNTER29, {"hpmcounter29", MISCREG_HPMCOUNTER29}},
480 {CSR_HPMCOUNTER30, {"hpmcounter30", MISCREG_HPMCOUNTER30}},
481 {CSR_HPMCOUNTER31, {"hpmcounter31", MISCREG_HPMCOUNTER31}},
482
483 {CSR_SSTATUS, {"sstatus", MISCREG_STATUS}},
484 {CSR_SEDELEG, {"sedeleg", MISCREG_SEDELEG}},
485 {CSR_SIDELEG, {"sideleg", MISCREG_SIDELEG}},
486 {CSR_SIE, {"sie", MISCREG_IE}},
487 {CSR_STVEC, {"stvec", MISCREG_STVEC}},
488 {CSR_SCOUNTEREN, {"scounteren", MISCREG_SCOUNTEREN}},
489 {CSR_SSCRATCH, {"sscratch", MISCREG_SSCRATCH}},
490 {CSR_SEPC, {"sepc", MISCREG_SEPC}},
491 {CSR_SCAUSE, {"scause", MISCREG_SCAUSE}},
492 {CSR_STVAL, {"stval", MISCREG_STVAL}},
493 {CSR_SIP, {"sip", MISCREG_IP}},
494 {CSR_SATP, {"satp", MISCREG_SATP}},
495
496 {CSR_MVENDORID, {"mvendorid", MISCREG_VENDORID}},
497 {CSR_MARCHID, {"marchid", MISCREG_ARCHID}},
498 {CSR_MIMPID, {"mimpid", MISCREG_IMPID}},
499 {CSR_MHARTID, {"mhartid", MISCREG_HARTID}},
500 {CSR_MSTATUS, {"mstatus", MISCREG_STATUS}},
501 {CSR_MISA, {"misa", MISCREG_ISA}},
502 {CSR_MEDELEG, {"medeleg", MISCREG_MEDELEG}},
503 {CSR_MIDELEG, {"mideleg", MISCREG_MIDELEG}},
504 {CSR_MIE, {"mie", MISCREG_IE}},
505 {CSR_MTVEC, {"mtvec", MISCREG_MTVEC}},
506 {CSR_MCOUNTEREN, {"mcounteren", MISCREG_MCOUNTEREN}},
507 {CSR_MSCRATCH, {"mscratch", MISCREG_MSCRATCH}},
508 {CSR_MEPC, {"mepc", MISCREG_MEPC}},
509 {CSR_MCAUSE, {"mcause", MISCREG_MCAUSE}},
510 {CSR_MTVAL, {"mtval", MISCREG_MTVAL}},
511 {CSR_MIP, {"mip", MISCREG_IP}},
512 {CSR_PMPCFG0, {"pmpcfg0", MISCREG_PMPCFG0}},
513 // pmpcfg1 rv32 only
514 {CSR_PMPCFG2, {"pmpcfg2", MISCREG_PMPCFG2}},
515 // pmpcfg3 rv32 only
516 {CSR_PMPADDR00, {"pmpaddr0", MISCREG_PMPADDR00}},
517 {CSR_PMPADDR01, {"pmpaddr1", MISCREG_PMPADDR01}},
518 {CSR_PMPADDR02, {"pmpaddr2", MISCREG_PMPADDR02}},
519 {CSR_PMPADDR03, {"pmpaddr3", MISCREG_PMPADDR03}},
520 {CSR_PMPADDR04, {"pmpaddr4", MISCREG_PMPADDR04}},
521 {CSR_PMPADDR05, {"pmpaddr5", MISCREG_PMPADDR05}},
522 {CSR_PMPADDR06, {"pmpaddr6", MISCREG_PMPADDR06}},
523 {CSR_PMPADDR07, {"pmpaddr7", MISCREG_PMPADDR07}},
524 {CSR_PMPADDR08, {"pmpaddr8", MISCREG_PMPADDR08}},
525 {CSR_PMPADDR09, {"pmpaddr9", MISCREG_PMPADDR09}},
526 {CSR_PMPADDR10, {"pmpaddr10", MISCREG_PMPADDR10}},
527 {CSR_PMPADDR11, {"pmpaddr11", MISCREG_PMPADDR11}},
528 {CSR_PMPADDR12, {"pmpaddr12", MISCREG_PMPADDR12}},
529 {CSR_PMPADDR13, {"pmpaddr13", MISCREG_PMPADDR13}},
530 {CSR_PMPADDR14, {"pmpaddr14", MISCREG_PMPADDR14}},
531 {CSR_PMPADDR15, {"pmpaddr15", MISCREG_PMPADDR15}},
532 {CSR_MCYCLE, {"mcycle", MISCREG_CYCLE}},
533 {CSR_MINSTRET, {"minstret", MISCREG_INSTRET}},
534 {CSR_MHPMCOUNTER03, {"mhpmcounter03", MISCREG_HPMCOUNTER03}},
535 {CSR_MHPMCOUNTER04, {"mhpmcounter04", MISCREG_HPMCOUNTER04}},
536 {CSR_MHPMCOUNTER05, {"mhpmcounter05", MISCREG_HPMCOUNTER05}},
537 {CSR_MHPMCOUNTER06, {"mhpmcounter06", MISCREG_HPMCOUNTER06}},
538 {CSR_MHPMCOUNTER07, {"mhpmcounter07", MISCREG_HPMCOUNTER07}},
539 {CSR_MHPMCOUNTER08, {"mhpmcounter08", MISCREG_HPMCOUNTER08}},
540 {CSR_MHPMCOUNTER09, {"mhpmcounter09", MISCREG_HPMCOUNTER09}},
541 {CSR_MHPMCOUNTER10, {"mhpmcounter10", MISCREG_HPMCOUNTER10}},
542 {CSR_MHPMCOUNTER11, {"mhpmcounter11", MISCREG_HPMCOUNTER11}},
543 {CSR_MHPMCOUNTER12, {"mhpmcounter12", MISCREG_HPMCOUNTER12}},
544 {CSR_MHPMCOUNTER13, {"mhpmcounter13", MISCREG_HPMCOUNTER13}},
545 {CSR_MHPMCOUNTER14, {"mhpmcounter14", MISCREG_HPMCOUNTER14}},
546 {CSR_MHPMCOUNTER15, {"mhpmcounter15", MISCREG_HPMCOUNTER15}},
547 {CSR_MHPMCOUNTER16, {"mhpmcounter16", MISCREG_HPMCOUNTER16}},
548 {CSR_MHPMCOUNTER17, {"mhpmcounter17", MISCREG_HPMCOUNTER17}},
549 {CSR_MHPMCOUNTER18, {"mhpmcounter18", MISCREG_HPMCOUNTER18}},
550 {CSR_MHPMCOUNTER19, {"mhpmcounter19", MISCREG_HPMCOUNTER19}},
551 {CSR_MHPMCOUNTER20, {"mhpmcounter20", MISCREG_HPMCOUNTER20}},
552 {CSR_MHPMCOUNTER21, {"mhpmcounter21", MISCREG_HPMCOUNTER21}},
553 {CSR_MHPMCOUNTER22, {"mhpmcounter22", MISCREG_HPMCOUNTER22}},
554 {CSR_MHPMCOUNTER23, {"mhpmcounter23", MISCREG_HPMCOUNTER23}},
555 {CSR_MHPMCOUNTER24, {"mhpmcounter24", MISCREG_HPMCOUNTER24}},
556 {CSR_MHPMCOUNTER25, {"mhpmcounter25", MISCREG_HPMCOUNTER25}},
557 {CSR_MHPMCOUNTER26, {"mhpmcounter26", MISCREG_HPMCOUNTER26}},
558 {CSR_MHPMCOUNTER27, {"mhpmcounter27", MISCREG_HPMCOUNTER27}},
559 {CSR_MHPMCOUNTER28, {"mhpmcounter28", MISCREG_HPMCOUNTER28}},
560 {CSR_MHPMCOUNTER29, {"mhpmcounter29", MISCREG_HPMCOUNTER29}},
561 {CSR_MHPMCOUNTER30, {"mhpmcounter30", MISCREG_HPMCOUNTER30}},
562 {CSR_MHPMCOUNTER31, {"mhpmcounter31", MISCREG_HPMCOUNTER31}},
563 {CSR_MHPMEVENT03, {"mhpmevent03", MISCREG_HPMEVENT03}},
564 {CSR_MHPMEVENT04, {"mhpmevent04", MISCREG_HPMEVENT04}},
565 {CSR_MHPMEVENT05, {"mhpmevent05", MISCREG_HPMEVENT05}},
566 {CSR_MHPMEVENT06, {"mhpmevent06", MISCREG_HPMEVENT06}},
567 {CSR_MHPMEVENT07, {"mhpmevent07", MISCREG_HPMEVENT07}},
568 {CSR_MHPMEVENT08, {"mhpmevent08", MISCREG_HPMEVENT08}},
569 {CSR_MHPMEVENT09, {"mhpmevent09", MISCREG_HPMEVENT09}},
570 {CSR_MHPMEVENT10, {"mhpmevent10", MISCREG_HPMEVENT10}},
571 {CSR_MHPMEVENT11, {"mhpmevent11", MISCREG_HPMEVENT11}},
572 {CSR_MHPMEVENT12, {"mhpmevent12", MISCREG_HPMEVENT12}},
573 {CSR_MHPMEVENT13, {"mhpmevent13", MISCREG_HPMEVENT13}},
574 {CSR_MHPMEVENT14, {"mhpmevent14", MISCREG_HPMEVENT14}},
575 {CSR_MHPMEVENT15, {"mhpmevent15", MISCREG_HPMEVENT15}},
576 {CSR_MHPMEVENT16, {"mhpmevent16", MISCREG_HPMEVENT16}},
577 {CSR_MHPMEVENT17, {"mhpmevent17", MISCREG_HPMEVENT17}},
578 {CSR_MHPMEVENT18, {"mhpmevent18", MISCREG_HPMEVENT18}},
579 {CSR_MHPMEVENT19, {"mhpmevent19", MISCREG_HPMEVENT19}},
580 {CSR_MHPMEVENT20, {"mhpmevent20", MISCREG_HPMEVENT20}},
581 {CSR_MHPMEVENT21, {"mhpmevent21", MISCREG_HPMEVENT21}},
582 {CSR_MHPMEVENT22, {"mhpmevent22", MISCREG_HPMEVENT22}},
583 {CSR_MHPMEVENT23, {"mhpmevent23", MISCREG_HPMEVENT23}},
584 {CSR_MHPMEVENT24, {"mhpmevent24", MISCREG_HPMEVENT24}},
585 {CSR_MHPMEVENT25, {"mhpmevent25", MISCREG_HPMEVENT25}},
586 {CSR_MHPMEVENT26, {"mhpmevent26", MISCREG_HPMEVENT26}},
587 {CSR_MHPMEVENT27, {"mhpmevent27", MISCREG_HPMEVENT27}},
588 {CSR_MHPMEVENT28, {"mhpmevent28", MISCREG_HPMEVENT28}},
589 {CSR_MHPMEVENT29, {"mhpmevent29", MISCREG_HPMEVENT29}},
590 {CSR_MHPMEVENT30, {"mhpmevent30", MISCREG_HPMEVENT30}},
591 {CSR_MHPMEVENT31, {"mhpmevent31", MISCREG_HPMEVENT31}},
592
593 {CSR_TSELECT, {"tselect", MISCREG_TSELECT}},
594 {CSR_TDATA1, {"tdata1", MISCREG_TDATA1}},
595 {CSR_TDATA2, {"tdata2", MISCREG_TDATA2}},
596 {CSR_TDATA3, {"tdata3", MISCREG_TDATA3}},
597 {CSR_DCSR, {"dcsr", MISCREG_DCSR}},
598 {CSR_DPC, {"dpc", MISCREG_DPC}},
599 {CSR_DSCRATCH, {"dscratch", MISCREG_DSCRATCH}}
600};
601
602/**
603 * These fields are specified in the RISC-V Instruction Set Manual, Volume II,
604 * v1.10, accessible at www.riscv.org. in Figure 3.7. The main register that
605 * uses these fields is the MSTATUS register, which is shadowed by two others
606 * accessible at lower privilege levels (SSTATUS and USTATUS) that can't see
607 * the fields for higher privileges.
608 */
609BitUnion64(STATUS)
610 Bitfield<63> sd;
611 Bitfield<35, 34> sxl;
612 Bitfield<33, 32> uxl;
613 Bitfield<22> tsr;
614 Bitfield<21> tw;
615 Bitfield<20> tvm;
616 Bitfield<19> mxr;
617 Bitfield<18> sum;
618 Bitfield<17> mprv;
619 Bitfield<16, 15> xs;
620 Bitfield<14, 13> fs;
621 Bitfield<12, 11> mpp;
622 Bitfield<8> spp;
623 Bitfield<7> mpie;
624 Bitfield<5> spie;
625 Bitfield<4> upie;
626 Bitfield<3> mie;
627 Bitfield<1> sie;
628 Bitfield<0> uie;
629EndBitUnion(STATUS)
630
631/**
632 * These fields are specified in the RISC-V Instruction Set Manual, Volume II,
633 * v1.10 in Figures 3.11 and 3.12, accessible at www.riscv.org. Both the MIP
634 * and MIE registers have the same fields, so accesses to either should use
635 * this bit union.
636 */
637BitUnion64(INTERRUPT)
638 Bitfield<11> mei;
639 Bitfield<9> sei;
640 Bitfield<8> uei;
641 Bitfield<7> mti;
642 Bitfield<5> sti;
643 Bitfield<4> uti;
644 Bitfield<3> msi;
645 Bitfield<1> ssi;
646 Bitfield<0> usi;
647EndBitUnion(INTERRUPT)
648
649const off_t MXL_OFFSET = (sizeof(uint64_t) * 8 - 2);
650const off_t SXL_OFFSET = 34;
651const off_t UXL_OFFSET = 32;
652const off_t FS_OFFSET = 13;
653const off_t FRM_OFFSET = 5;
654
655const RegVal ISA_MXL_MASK = 3ULL << MXL_OFFSET;
656const RegVal ISA_EXT_MASK = mask(26);
657const RegVal MISA_MASK = ISA_MXL_MASK | ISA_EXT_MASK;
658
659const RegVal STATUS_SD_MASK = 1ULL << ((sizeof(uint64_t) * 8) - 1);
660const RegVal STATUS_SXL_MASK = 3ULL << SXL_OFFSET;
661const RegVal STATUS_UXL_MASK = 3ULL << UXL_OFFSET;
662const RegVal STATUS_TSR_MASK = 1ULL << 22;
663const RegVal STATUS_TW_MASK = 1ULL << 21;
664const RegVal STATUS_TVM_MASK = 1ULL << 20;
665const RegVal STATUS_MXR_MASK = 1ULL << 19;
666const RegVal STATUS_SUM_MASK = 1ULL << 18;
667const RegVal STATUS_MPRV_MASK = 1ULL << 17;
668const RegVal STATUS_XS_MASK = 3ULL << 15;
669const RegVal STATUS_FS_MASK = 3ULL << FS_OFFSET;
670const RegVal STATUS_MPP_MASK = 3ULL << 11;
671const RegVal STATUS_SPP_MASK = 1ULL << 8;
672const RegVal STATUS_MPIE_MASK = 1ULL << 7;
673const RegVal STATUS_SPIE_MASK = 1ULL << 5;
674const RegVal STATUS_UPIE_MASK = 1ULL << 4;
675const RegVal STATUS_MIE_MASK = 1ULL << 3;
676const RegVal STATUS_SIE_MASK = 1ULL << 1;
677const RegVal STATUS_UIE_MASK = 1ULL << 0;
678const RegVal MSTATUS_MASK = STATUS_SD_MASK | STATUS_SXL_MASK |
679 STATUS_UXL_MASK | STATUS_TSR_MASK |
680 STATUS_TW_MASK | STATUS_TVM_MASK |
681 STATUS_MXR_MASK | STATUS_SUM_MASK |
682 STATUS_MPRV_MASK | STATUS_XS_MASK |
683 STATUS_FS_MASK | STATUS_MPP_MASK |
684 STATUS_SPP_MASK | STATUS_MPIE_MASK |
685 STATUS_SPIE_MASK | STATUS_UPIE_MASK |
686 STATUS_MIE_MASK | STATUS_SIE_MASK |
687 STATUS_UIE_MASK;
688const RegVal SSTATUS_MASK = STATUS_SD_MASK | STATUS_UXL_MASK |
689 STATUS_MXR_MASK | STATUS_SUM_MASK |
690 STATUS_XS_MASK | STATUS_FS_MASK |
691 STATUS_SPP_MASK | STATUS_SPIE_MASK |
692 STATUS_UPIE_MASK | STATUS_SIE_MASK |
693 STATUS_UIE_MASK;
694const RegVal USTATUS_MASK = STATUS_SD_MASK | STATUS_MXR_MASK |
695 STATUS_SUM_MASK | STATUS_XS_MASK |
696 STATUS_FS_MASK | STATUS_UPIE_MASK |
697 STATUS_UIE_MASK;
698
699const RegVal MEI_MASK = 1ULL << 11;
700const RegVal SEI_MASK = 1ULL << 9;
701const RegVal UEI_MASK = 1ULL << 8;
702const RegVal MTI_MASK = 1ULL << 7;
703const RegVal STI_MASK = 1ULL << 5;
704const RegVal UTI_MASK = 1ULL << 4;
705const RegVal MSI_MASK = 1ULL << 3;
706const RegVal SSI_MASK = 1ULL << 1;
707const RegVal USI_MASK = 1ULL << 0;
708const RegVal MI_MASK = MEI_MASK | SEI_MASK | UEI_MASK |
709 MTI_MASK | STI_MASK | UTI_MASK |
710 MSI_MASK | SSI_MASK | USI_MASK;
711const RegVal SI_MASK = SEI_MASK | UEI_MASK |
712 STI_MASK | UTI_MASK |
713 SSI_MASK | USI_MASK;
714const RegVal UI_MASK = UEI_MASK | UTI_MASK | USI_MASK;
715const RegVal FFLAGS_MASK = (1 << FRM_OFFSET) - 1;
716const RegVal FRM_MASK = 0x7;
717
718const std::map<int, RegVal> CSRMasks = {
719 {CSR_USTATUS, USTATUS_MASK},
720 {CSR_UIE, UI_MASK},
721 {CSR_UIP, UI_MASK},
722 {CSR_FFLAGS, FFLAGS_MASK},
723 {CSR_FRM, FRM_MASK},
724 {CSR_FCSR, FFLAGS_MASK | (FRM_MASK << FRM_OFFSET)},
725 {CSR_SSTATUS, SSTATUS_MASK},
726 {CSR_SIE, SI_MASK},
727 {CSR_SIP, SI_MASK},
728 {CSR_MSTATUS, MSTATUS_MASK},
729 {CSR_MISA, MISA_MASK},
730 {CSR_MIE, MI_MASK},
731 {CSR_MIP, MI_MASK}
732};
733
734}
735
736#endif // __ARCH_RISCV_REGISTERS_HH__