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