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c7b95171 MC |
1 | /* |
2 | * RISC-V Control and Status Registers. | |
3 | * | |
4 | * Copyright (c) 2016-2017 Sagar Karandikar, sagark@eecs.berkeley.edu | |
5 | * Copyright (c) 2017-2018 SiFive, Inc. | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify it | |
8 | * under the terms and conditions of the GNU General Public License, | |
9 | * version 2 or later, as published by the Free Software Foundation. | |
10 | * | |
11 | * This program is distributed in the hope it will be useful, but WITHOUT | |
12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
14 | * more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License along with | |
17 | * this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include "qemu/osdep.h" | |
21 | #include "qemu/log.h" | |
b8012ecf | 22 | #include "qemu/timer.h" |
c7b95171 | 23 | #include "cpu.h" |
3780e337 | 24 | #include "pmu.h" |
43888c2f | 25 | #include "time_helper.h" |
c7b95171 MC |
26 | #include "qemu/main-loop.h" |
27 | #include "exec/exec-all.h" | |
03ff4f8d | 28 | #include "sysemu/cpu-timers.h" |
77442380 WL |
29 | #include "qemu/guest-random.h" |
30 | #include "qapi/error.h" | |
c7b95171 | 31 | |
c7b95171 MC |
32 | /* CSR function table public API */ |
33 | void riscv_get_csr_ops(int csrno, riscv_csr_operations *ops) | |
34 | { | |
35 | *ops = csr_ops[csrno & (CSR_TABLE_SIZE - 1)]; | |
36 | } | |
37 | ||
38 | void riscv_set_csr_ops(int csrno, riscv_csr_operations *ops) | |
39 | { | |
40 | csr_ops[csrno & (CSR_TABLE_SIZE - 1)] = *ops; | |
41 | } | |
42 | ||
a88365c1 | 43 | /* Predicates */ |
252b06f6 MC |
44 | #if !defined(CONFIG_USER_ONLY) |
45 | static RISCVException smstateen_acc_ok(CPURISCVState *env, int index, | |
46 | uint64_t bit) | |
47 | { | |
48 | bool virt = riscv_cpu_virt_enabled(env); | |
252b06f6 | 49 | |
a9a4e39f | 50 | if (env->priv == PRV_M || !riscv_cpu_cfg(env)->ext_smstateen) { |
252b06f6 MC |
51 | return RISCV_EXCP_NONE; |
52 | } | |
53 | ||
54 | if (!(env->mstateen[index] & bit)) { | |
55 | return RISCV_EXCP_ILLEGAL_INST; | |
56 | } | |
57 | ||
58 | if (virt) { | |
59 | if (!(env->hstateen[index] & bit)) { | |
60 | return RISCV_EXCP_VIRT_INSTRUCTION_FAULT; | |
61 | } | |
62 | ||
63 | if (env->priv == PRV_U && !(env->sstateen[index] & bit)) { | |
64 | return RISCV_EXCP_VIRT_INSTRUCTION_FAULT; | |
65 | } | |
66 | } | |
67 | ||
68 | if (env->priv == PRV_U && riscv_has_ext(env, RVS)) { | |
69 | if (!(env->sstateen[index] & bit)) { | |
70 | return RISCV_EXCP_ILLEGAL_INST; | |
71 | } | |
72 | } | |
73 | ||
74 | return RISCV_EXCP_NONE; | |
75 | } | |
76 | #endif | |
77 | ||
0e62f92e | 78 | static RISCVException fs(CPURISCVState *env, int csrno) |
a88365c1 MC |
79 | { |
80 | #if !defined(CONFIG_USER_ONLY) | |
c163b3ba | 81 | if (!env->debugger && !riscv_cpu_fp_enabled(env) && |
a9a4e39f | 82 | !riscv_cpu_cfg(env)->ext_zfinx) { |
0e62f92e | 83 | return RISCV_EXCP_ILLEGAL_INST; |
a88365c1 MC |
84 | } |
85 | #endif | |
0e62f92e | 86 | return RISCV_EXCP_NONE; |
a88365c1 MC |
87 | } |
88 | ||
0e62f92e | 89 | static RISCVException vs(CPURISCVState *env, int csrno) |
8e3a1f18 | 90 | { |
94e29707 | 91 | RISCVCPU *cpu = env_archcpu(env); |
b4a99d40 | 92 | |
3f4a5a53 | 93 | if (cpu->cfg.ext_zve32f) { |
6bc3dfa9 FC |
94 | #if !defined(CONFIG_USER_ONLY) |
95 | if (!env->debugger && !riscv_cpu_vector_enabled(env)) { | |
96 | return RISCV_EXCP_ILLEGAL_INST; | |
97 | } | |
98 | #endif | |
0e62f92e | 99 | return RISCV_EXCP_NONE; |
8e3a1f18 | 100 | } |
0e62f92e | 101 | return RISCV_EXCP_ILLEGAL_INST; |
8e3a1f18 LZ |
102 | } |
103 | ||
0e62f92e | 104 | static RISCVException ctr(CPURISCVState *env, int csrno) |
a88365c1 MC |
105 | { |
106 | #if !defined(CONFIG_USER_ONLY) | |
94e29707 | 107 | RISCVCPU *cpu = env_archcpu(env); |
562009e4 | 108 | int ctr_index; |
ade445ef | 109 | target_ulong ctr_mask; |
14664483 | 110 | int base_csrno = CSR_CYCLE; |
18d6d89e | 111 | bool rv32 = riscv_cpu_mxl(env) == MXL_RV32 ? true : false; |
0a13a5b8 | 112 | |
18d6d89e AP |
113 | if (rv32 && csrno >= CSR_CYCLEH) { |
114 | /* Offset for RV32 hpmcounternh counters */ | |
115 | base_csrno += 0x80; | |
116 | } | |
117 | ctr_index = csrno - base_csrno; | |
ade445ef | 118 | ctr_mask = BIT(ctr_index); |
18d6d89e | 119 | |
14664483 AP |
120 | if ((csrno >= CSR_CYCLE && csrno <= CSR_INSTRET) || |
121 | (csrno >= CSR_CYCLEH && csrno <= CSR_INSTRETH)) { | |
122 | goto skip_ext_pmu_check; | |
123 | } | |
124 | ||
ade445ef | 125 | if (!(cpu->pmu_avail_ctrs & ctr_mask)) { |
18d6d89e | 126 | /* No counter is enabled in PMU or the counter is out of range */ |
0e62f92e | 127 | return RISCV_EXCP_ILLEGAL_INST; |
0a13a5b8 | 128 | } |
e39a8320 | 129 | |
14664483 AP |
130 | skip_ext_pmu_check: |
131 | ||
fb517fdb BM |
132 | if (env->debugger) { |
133 | return RISCV_EXCP_NONE; | |
134 | } | |
135 | ||
a4128294 | 136 | if (env->priv < PRV_M && !get_field(env->mcounteren, ctr_mask)) { |
ade445ef | 137 | return RISCV_EXCP_ILLEGAL_INST; |
a5a92fd6 AP |
138 | } |
139 | ||
e39a8320 | 140 | if (riscv_cpu_virt_enabled(env)) { |
a4128294 WL |
141 | if (!get_field(env->hcounteren, ctr_mask) || |
142 | (env->priv == PRV_U && !get_field(env->scounteren, ctr_mask))) { | |
ade445ef | 143 | return RISCV_EXCP_VIRT_INSTRUCTION_FAULT; |
e39a8320 AF |
144 | } |
145 | } | |
a4128294 WL |
146 | |
147 | if (riscv_has_ext(env, RVS) && env->priv == PRV_U && | |
148 | !get_field(env->scounteren, ctr_mask)) { | |
149 | return RISCV_EXCP_ILLEGAL_INST; | |
150 | } | |
151 | ||
a88365c1 | 152 | #endif |
0e62f92e | 153 | return RISCV_EXCP_NONE; |
a88365c1 MC |
154 | } |
155 | ||
0e62f92e | 156 | static RISCVException ctr32(CPURISCVState *env, int csrno) |
8987cdc4 | 157 | { |
db23e5d9 | 158 | if (riscv_cpu_mxl(env) != MXL_RV32) { |
0e62f92e | 159 | return RISCV_EXCP_ILLEGAL_INST; |
8987cdc4 AF |
160 | } |
161 | ||
162 | return ctr(env, csrno); | |
163 | } | |
164 | ||
a88365c1 | 165 | #if !defined(CONFIG_USER_ONLY) |
18d6d89e AP |
166 | static RISCVException mctr(CPURISCVState *env, int csrno) |
167 | { | |
96b1b000 | 168 | int pmu_num = riscv_cpu_cfg(env)->pmu_num; |
18d6d89e AP |
169 | int ctr_index; |
170 | int base_csrno = CSR_MHPMCOUNTER3; | |
171 | ||
172 | if ((riscv_cpu_mxl(env) == MXL_RV32) && csrno >= CSR_MCYCLEH) { | |
173 | /* Offset for RV32 mhpmcounternh counters */ | |
174 | base_csrno += 0x80; | |
175 | } | |
176 | ctr_index = csrno - base_csrno; | |
96b1b000 | 177 | if (!pmu_num || ctr_index >= pmu_num) { |
18d6d89e AP |
178 | /* The PMU is not enabled or counter is out of range*/ |
179 | return RISCV_EXCP_ILLEGAL_INST; | |
180 | } | |
181 | ||
182 | return RISCV_EXCP_NONE; | |
183 | } | |
184 | ||
621f35bb AP |
185 | static RISCVException mctr32(CPURISCVState *env, int csrno) |
186 | { | |
187 | if (riscv_cpu_mxl(env) != MXL_RV32) { | |
188 | return RISCV_EXCP_ILLEGAL_INST; | |
189 | } | |
190 | ||
191 | return mctr(env, csrno); | |
192 | } | |
193 | ||
14664483 AP |
194 | static RISCVException sscofpmf(CPURISCVState *env, int csrno) |
195 | { | |
94e29707 | 196 | RISCVCPU *cpu = env_archcpu(env); |
14664483 AP |
197 | |
198 | if (!cpu->cfg.ext_sscofpmf) { | |
199 | return RISCV_EXCP_ILLEGAL_INST; | |
200 | } | |
201 | ||
202 | return RISCV_EXCP_NONE; | |
203 | } | |
204 | ||
0e62f92e | 205 | static RISCVException any(CPURISCVState *env, int csrno) |
a88365c1 | 206 | { |
0e62f92e | 207 | return RISCV_EXCP_NONE; |
a88365c1 MC |
208 | } |
209 | ||
0e62f92e | 210 | static RISCVException any32(CPURISCVState *env, int csrno) |
8987cdc4 | 211 | { |
db23e5d9 | 212 | if (riscv_cpu_mxl(env) != MXL_RV32) { |
0e62f92e | 213 | return RISCV_EXCP_ILLEGAL_INST; |
8987cdc4 AF |
214 | } |
215 | ||
216 | return any(env, csrno); | |
217 | ||
218 | } | |
219 | ||
d0237b4d AP |
220 | static int aia_any(CPURISCVState *env, int csrno) |
221 | { | |
01af27e3 | 222 | if (!riscv_cpu_cfg(env)->ext_smaia) { |
d0237b4d AP |
223 | return RISCV_EXCP_ILLEGAL_INST; |
224 | } | |
225 | ||
226 | return any(env, csrno); | |
227 | } | |
228 | ||
d028ac75 AP |
229 | static int aia_any32(CPURISCVState *env, int csrno) |
230 | { | |
01af27e3 | 231 | if (!riscv_cpu_cfg(env)->ext_smaia) { |
d028ac75 AP |
232 | return RISCV_EXCP_ILLEGAL_INST; |
233 | } | |
234 | ||
235 | return any32(env, csrno); | |
236 | } | |
237 | ||
0e62f92e | 238 | static RISCVException smode(CPURISCVState *env, int csrno) |
a88365c1 | 239 | { |
0e62f92e AF |
240 | if (riscv_has_ext(env, RVS)) { |
241 | return RISCV_EXCP_NONE; | |
242 | } | |
243 | ||
244 | return RISCV_EXCP_ILLEGAL_INST; | |
a88365c1 MC |
245 | } |
246 | ||
d028ac75 AP |
247 | static int smode32(CPURISCVState *env, int csrno) |
248 | { | |
249 | if (riscv_cpu_mxl(env) != MXL_RV32) { | |
250 | return RISCV_EXCP_ILLEGAL_INST; | |
251 | } | |
252 | ||
253 | return smode(env, csrno); | |
254 | } | |
255 | ||
c7de92b4 AP |
256 | static int aia_smode(CPURISCVState *env, int csrno) |
257 | { | |
01af27e3 | 258 | if (!riscv_cpu_cfg(env)->ext_ssaia) { |
c7de92b4 AP |
259 | return RISCV_EXCP_ILLEGAL_INST; |
260 | } | |
261 | ||
262 | return smode(env, csrno); | |
263 | } | |
264 | ||
d028ac75 AP |
265 | static int aia_smode32(CPURISCVState *env, int csrno) |
266 | { | |
01af27e3 | 267 | if (!riscv_cpu_cfg(env)->ext_ssaia) { |
d028ac75 AP |
268 | return RISCV_EXCP_ILLEGAL_INST; |
269 | } | |
270 | ||
271 | return smode32(env, csrno); | |
272 | } | |
273 | ||
0e62f92e | 274 | static RISCVException hmode(CPURISCVState *env, int csrno) |
ff2cc129 | 275 | { |
62a09b9b | 276 | if (riscv_has_ext(env, RVH)) { |
5de12453 | 277 | return RISCV_EXCP_NONE; |
ff2cc129 AF |
278 | } |
279 | ||
0e62f92e | 280 | return RISCV_EXCP_ILLEGAL_INST; |
ff2cc129 AF |
281 | } |
282 | ||
0e62f92e | 283 | static RISCVException hmode32(CPURISCVState *env, int csrno) |
8987cdc4 | 284 | { |
db23e5d9 | 285 | if (riscv_cpu_mxl(env) != MXL_RV32) { |
62a09b9b | 286 | return RISCV_EXCP_ILLEGAL_INST; |
8987cdc4 AF |
287 | } |
288 | ||
289 | return hmode(env, csrno); | |
290 | ||
291 | } | |
292 | ||
c126f83c WL |
293 | static RISCVException umode(CPURISCVState *env, int csrno) |
294 | { | |
295 | if (riscv_has_ext(env, RVU)) { | |
296 | return RISCV_EXCP_NONE; | |
297 | } | |
298 | ||
299 | return RISCV_EXCP_ILLEGAL_INST; | |
300 | } | |
301 | ||
302 | static RISCVException umode32(CPURISCVState *env, int csrno) | |
303 | { | |
304 | if (riscv_cpu_mxl(env) != MXL_RV32) { | |
305 | return RISCV_EXCP_ILLEGAL_INST; | |
306 | } | |
307 | ||
308 | return umode(env, csrno); | |
309 | } | |
310 | ||
3bee0e40 MC |
311 | static RISCVException mstateen(CPURISCVState *env, int csrno) |
312 | { | |
94e29707 | 313 | RISCVCPU *cpu = env_archcpu(env); |
3bee0e40 MC |
314 | |
315 | if (!cpu->cfg.ext_smstateen) { | |
316 | return RISCV_EXCP_ILLEGAL_INST; | |
317 | } | |
318 | ||
319 | return any(env, csrno); | |
320 | } | |
321 | ||
322 | static RISCVException hstateen_pred(CPURISCVState *env, int csrno, int base) | |
323 | { | |
94e29707 | 324 | RISCVCPU *cpu = env_archcpu(env); |
3bee0e40 MC |
325 | |
326 | if (!cpu->cfg.ext_smstateen) { | |
327 | return RISCV_EXCP_ILLEGAL_INST; | |
328 | } | |
329 | ||
0308fc62 BM |
330 | RISCVException ret = hmode(env, csrno); |
331 | if (ret != RISCV_EXCP_NONE) { | |
332 | return ret; | |
333 | } | |
334 | ||
335 | if (env->debugger) { | |
336 | return RISCV_EXCP_NONE; | |
337 | } | |
338 | ||
3bee0e40 MC |
339 | if (env->priv < PRV_M) { |
340 | if (!(env->mstateen[csrno - base] & SMSTATEEN_STATEEN)) { | |
341 | return RISCV_EXCP_ILLEGAL_INST; | |
342 | } | |
343 | } | |
344 | ||
0308fc62 | 345 | return RISCV_EXCP_NONE; |
3bee0e40 MC |
346 | } |
347 | ||
348 | static RISCVException hstateen(CPURISCVState *env, int csrno) | |
349 | { | |
350 | return hstateen_pred(env, csrno, CSR_HSTATEEN0); | |
351 | } | |
352 | ||
353 | static RISCVException hstateenh(CPURISCVState *env, int csrno) | |
354 | { | |
355 | return hstateen_pred(env, csrno, CSR_HSTATEEN0H); | |
356 | } | |
357 | ||
358 | static RISCVException sstateen(CPURISCVState *env, int csrno) | |
359 | { | |
360 | bool virt = riscv_cpu_virt_enabled(env); | |
361 | int index = csrno - CSR_SSTATEEN0; | |
3bee0e40 | 362 | |
a9a4e39f | 363 | if (!riscv_cpu_cfg(env)->ext_smstateen) { |
3bee0e40 MC |
364 | return RISCV_EXCP_ILLEGAL_INST; |
365 | } | |
366 | ||
0308fc62 BM |
367 | RISCVException ret = smode(env, csrno); |
368 | if (ret != RISCV_EXCP_NONE) { | |
369 | return ret; | |
370 | } | |
371 | ||
372 | if (env->debugger) { | |
373 | return RISCV_EXCP_NONE; | |
374 | } | |
375 | ||
3bee0e40 MC |
376 | if (env->priv < PRV_M) { |
377 | if (!(env->mstateen[index] & SMSTATEEN_STATEEN)) { | |
378 | return RISCV_EXCP_ILLEGAL_INST; | |
379 | } | |
380 | ||
381 | if (virt) { | |
382 | if (!(env->hstateen[index] & SMSTATEEN_STATEEN)) { | |
383 | return RISCV_EXCP_VIRT_INSTRUCTION_FAULT; | |
384 | } | |
385 | } | |
386 | } | |
387 | ||
0308fc62 | 388 | return RISCV_EXCP_NONE; |
3bee0e40 MC |
389 | } |
390 | ||
fb5bd4dc BM |
391 | static RISCVException sstc(CPURISCVState *env, int csrno) |
392 | { | |
393 | RISCVCPU *cpu = env_archcpu(env); | |
394 | bool hmode_check = false; | |
395 | ||
396 | if (!cpu->cfg.ext_sstc || !env->rdtime_fn) { | |
397 | return RISCV_EXCP_ILLEGAL_INST; | |
398 | } | |
399 | ||
400 | if ((csrno == CSR_VSTIMECMP) || (csrno == CSR_VSTIMECMPH)) { | |
401 | hmode_check = true; | |
402 | } | |
403 | ||
404 | RISCVException ret = hmode_check ? hmode(env, csrno) : smode(env, csrno); | |
405 | if (ret != RISCV_EXCP_NONE) { | |
406 | return ret; | |
407 | } | |
408 | ||
409 | if (env->debugger) { | |
410 | return RISCV_EXCP_NONE; | |
411 | } | |
412 | ||
413 | if (env->priv == PRV_M) { | |
414 | return RISCV_EXCP_NONE; | |
415 | } | |
416 | ||
417 | /* | |
418 | * No need of separate function for rv32 as menvcfg stores both menvcfg | |
419 | * menvcfgh for RV32. | |
420 | */ | |
421 | if (!(get_field(env->mcounteren, COUNTEREN_TM) && | |
422 | get_field(env->menvcfg, MENVCFG_STCE))) { | |
423 | return RISCV_EXCP_ILLEGAL_INST; | |
424 | } | |
425 | ||
426 | if (riscv_cpu_virt_enabled(env)) { | |
427 | if (!(get_field(env->hcounteren, COUNTEREN_TM) && | |
428 | get_field(env->henvcfg, HENVCFG_STCE))) { | |
429 | return RISCV_EXCP_VIRT_INSTRUCTION_FAULT; | |
430 | } | |
431 | } | |
432 | ||
433 | return RISCV_EXCP_NONE; | |
434 | } | |
435 | ||
436 | static RISCVException sstc_32(CPURISCVState *env, int csrno) | |
437 | { | |
438 | if (riscv_cpu_mxl(env) != MXL_RV32) { | |
439 | return RISCV_EXCP_ILLEGAL_INST; | |
440 | } | |
441 | ||
442 | return sstc(env, csrno); | |
3bee0e40 MC |
443 | } |
444 | ||
4bbe8033 AB |
445 | /* Checks if PointerMasking registers could be accessed */ |
446 | static RISCVException pointer_masking(CPURISCVState *env, int csrno) | |
447 | { | |
448 | /* Check if j-ext is present */ | |
449 | if (riscv_has_ext(env, RVJ)) { | |
450 | return RISCV_EXCP_NONE; | |
451 | } | |
452 | return RISCV_EXCP_ILLEGAL_INST; | |
453 | } | |
454 | ||
2b602398 AP |
455 | static int aia_hmode(CPURISCVState *env, int csrno) |
456 | { | |
01af27e3 | 457 | if (!riscv_cpu_cfg(env)->ext_ssaia) { |
2b602398 AP |
458 | return RISCV_EXCP_ILLEGAL_INST; |
459 | } | |
460 | ||
461 | return hmode(env, csrno); | |
462 | } | |
463 | ||
d028ac75 AP |
464 | static int aia_hmode32(CPURISCVState *env, int csrno) |
465 | { | |
01af27e3 | 466 | if (!riscv_cpu_cfg(env)->ext_ssaia) { |
d028ac75 AP |
467 | return RISCV_EXCP_ILLEGAL_INST; |
468 | } | |
469 | ||
470 | return hmode32(env, csrno); | |
471 | } | |
472 | ||
0e62f92e | 473 | static RISCVException pmp(CPURISCVState *env, int csrno) |
a88365c1 | 474 | { |
3fe40ef5 | 475 | if (riscv_cpu_cfg(env)->pmp) { |
04733fb0 BM |
476 | if (csrno <= CSR_PMPCFG3) { |
477 | uint32_t reg_index = csrno - CSR_PMPCFG0; | |
478 | ||
479 | /* TODO: RV128 restriction check */ | |
480 | if ((reg_index & 1) && (riscv_cpu_mxl(env) == MXL_RV64)) { | |
481 | return RISCV_EXCP_ILLEGAL_INST; | |
482 | } | |
483 | } | |
484 | ||
0e62f92e AF |
485 | return RISCV_EXCP_NONE; |
486 | } | |
487 | ||
488 | return RISCV_EXCP_ILLEGAL_INST; | |
a88365c1 | 489 | } |
2582a95c HW |
490 | |
491 | static RISCVException epmp(CPURISCVState *env, int csrno) | |
492 | { | |
9e83a356 | 493 | if (riscv_cpu_cfg(env)->epmp) { |
2582a95c HW |
494 | return RISCV_EXCP_NONE; |
495 | } | |
496 | ||
497 | return RISCV_EXCP_ILLEGAL_INST; | |
498 | } | |
b6092544 BM |
499 | |
500 | static RISCVException debug(CPURISCVState *env, int csrno) | |
501 | { | |
cdfb2905 | 502 | if (riscv_cpu_cfg(env)->debug) { |
b6092544 BM |
503 | return RISCV_EXCP_NONE; |
504 | } | |
505 | ||
506 | return RISCV_EXCP_ILLEGAL_INST; | |
507 | } | |
a88365c1 MC |
508 | #endif |
509 | ||
77442380 WL |
510 | static RISCVException seed(CPURISCVState *env, int csrno) |
511 | { | |
01af27e3 | 512 | if (!riscv_cpu_cfg(env)->ext_zkr) { |
77442380 WL |
513 | return RISCV_EXCP_ILLEGAL_INST; |
514 | } | |
515 | ||
516 | #if !defined(CONFIG_USER_ONLY) | |
ddb10742 BM |
517 | if (env->debugger) { |
518 | return RISCV_EXCP_NONE; | |
519 | } | |
520 | ||
77442380 WL |
521 | /* |
522 | * With a CSR read-write instruction: | |
523 | * 1) The seed CSR is always available in machine mode as normal. | |
524 | * 2) Attempted access to seed from virtual modes VS and VU always raises | |
525 | * an exception(virtual instruction exception only if mseccfg.sseed=1). | |
526 | * 3) Without the corresponding access control bit set to 1, any attempted | |
527 | * access to seed from U, S or HS modes will raise an illegal instruction | |
528 | * exception. | |
529 | */ | |
530 | if (env->priv == PRV_M) { | |
531 | return RISCV_EXCP_NONE; | |
532 | } else if (riscv_cpu_virt_enabled(env)) { | |
533 | if (env->mseccfg & MSECCFG_SSEED) { | |
534 | return RISCV_EXCP_VIRT_INSTRUCTION_FAULT; | |
535 | } else { | |
536 | return RISCV_EXCP_ILLEGAL_INST; | |
537 | } | |
538 | } else { | |
539 | if (env->priv == PRV_S && (env->mseccfg & MSECCFG_SSEED)) { | |
540 | return RISCV_EXCP_NONE; | |
541 | } else if (env->priv == PRV_U && (env->mseccfg & MSECCFG_USEED)) { | |
542 | return RISCV_EXCP_NONE; | |
543 | } else { | |
544 | return RISCV_EXCP_ILLEGAL_INST; | |
545 | } | |
546 | } | |
547 | #else | |
548 | return RISCV_EXCP_NONE; | |
549 | #endif | |
550 | } | |
551 | ||
c7b95171 | 552 | /* User Floating-Point CSRs */ |
605def6e AF |
553 | static RISCVException read_fflags(CPURISCVState *env, int csrno, |
554 | target_ulong *val) | |
c7b95171 | 555 | { |
fb738839 | 556 | *val = riscv_cpu_get_fflags(env); |
605def6e | 557 | return RISCV_EXCP_NONE; |
c7b95171 MC |
558 | } |
559 | ||
605def6e AF |
560 | static RISCVException write_fflags(CPURISCVState *env, int csrno, |
561 | target_ulong val) | |
c7b95171 MC |
562 | { |
563 | #if !defined(CONFIG_USER_ONLY) | |
c163b3ba WL |
564 | if (riscv_has_ext(env, RVF)) { |
565 | env->mstatus |= MSTATUS_FS; | |
566 | } | |
c7b95171 | 567 | #endif |
fb738839 | 568 | riscv_cpu_set_fflags(env, val & (FSR_AEXC >> FSR_AEXC_SHIFT)); |
605def6e | 569 | return RISCV_EXCP_NONE; |
c7b95171 MC |
570 | } |
571 | ||
605def6e AF |
572 | static RISCVException read_frm(CPURISCVState *env, int csrno, |
573 | target_ulong *val) | |
c7b95171 | 574 | { |
c7b95171 | 575 | *val = env->frm; |
605def6e | 576 | return RISCV_EXCP_NONE; |
c7b95171 MC |
577 | } |
578 | ||
605def6e AF |
579 | static RISCVException write_frm(CPURISCVState *env, int csrno, |
580 | target_ulong val) | |
c7b95171 MC |
581 | { |
582 | #if !defined(CONFIG_USER_ONLY) | |
c163b3ba WL |
583 | if (riscv_has_ext(env, RVF)) { |
584 | env->mstatus |= MSTATUS_FS; | |
585 | } | |
c7b95171 MC |
586 | #endif |
587 | env->frm = val & (FSR_RD >> FSR_RD_SHIFT); | |
605def6e | 588 | return RISCV_EXCP_NONE; |
c7b95171 MC |
589 | } |
590 | ||
605def6e AF |
591 | static RISCVException read_fcsr(CPURISCVState *env, int csrno, |
592 | target_ulong *val) | |
c7b95171 | 593 | { |
fb738839 | 594 | *val = (riscv_cpu_get_fflags(env) << FSR_AEXC_SHIFT) |
c7b95171 | 595 | | (env->frm << FSR_RD_SHIFT); |
605def6e | 596 | return RISCV_EXCP_NONE; |
c7b95171 MC |
597 | } |
598 | ||
605def6e AF |
599 | static RISCVException write_fcsr(CPURISCVState *env, int csrno, |
600 | target_ulong val) | |
c7b95171 MC |
601 | { |
602 | #if !defined(CONFIG_USER_ONLY) | |
c163b3ba WL |
603 | if (riscv_has_ext(env, RVF)) { |
604 | env->mstatus |= MSTATUS_FS; | |
605 | } | |
c7b95171 MC |
606 | #endif |
607 | env->frm = (val & FSR_RD) >> FSR_RD_SHIFT; | |
fb738839 | 608 | riscv_cpu_set_fflags(env, (val & FSR_AEXC) >> FSR_AEXC_SHIFT); |
605def6e | 609 | return RISCV_EXCP_NONE; |
c7b95171 MC |
610 | } |
611 | ||
605def6e AF |
612 | static RISCVException read_vtype(CPURISCVState *env, int csrno, |
613 | target_ulong *val) | |
8e3a1f18 | 614 | { |
d96a271a LZ |
615 | uint64_t vill; |
616 | switch (env->xl) { | |
617 | case MXL_RV32: | |
618 | vill = (uint32_t)env->vill << 31; | |
619 | break; | |
620 | case MXL_RV64: | |
621 | vill = (uint64_t)env->vill << 63; | |
622 | break; | |
623 | default: | |
624 | g_assert_not_reached(); | |
625 | } | |
626 | *val = (target_ulong)vill | env->vtype; | |
605def6e | 627 | return RISCV_EXCP_NONE; |
8e3a1f18 LZ |
628 | } |
629 | ||
605def6e AF |
630 | static RISCVException read_vl(CPURISCVState *env, int csrno, |
631 | target_ulong *val) | |
8e3a1f18 LZ |
632 | { |
633 | *val = env->vl; | |
605def6e | 634 | return RISCV_EXCP_NONE; |
8e3a1f18 LZ |
635 | } |
636 | ||
2e565054 GH |
637 | static int read_vlenb(CPURISCVState *env, int csrno, target_ulong *val) |
638 | { | |
01af27e3 | 639 | *val = riscv_cpu_cfg(env)->vlen >> 3; |
2e565054 GH |
640 | return RISCV_EXCP_NONE; |
641 | } | |
642 | ||
605def6e AF |
643 | static RISCVException read_vxrm(CPURISCVState *env, int csrno, |
644 | target_ulong *val) | |
8e3a1f18 LZ |
645 | { |
646 | *val = env->vxrm; | |
605def6e | 647 | return RISCV_EXCP_NONE; |
8e3a1f18 LZ |
648 | } |
649 | ||
605def6e AF |
650 | static RISCVException write_vxrm(CPURISCVState *env, int csrno, |
651 | target_ulong val) | |
8e3a1f18 | 652 | { |
61b4b69d LZ |
653 | #if !defined(CONFIG_USER_ONLY) |
654 | env->mstatus |= MSTATUS_VS; | |
655 | #endif | |
8e3a1f18 | 656 | env->vxrm = val; |
605def6e | 657 | return RISCV_EXCP_NONE; |
8e3a1f18 LZ |
658 | } |
659 | ||
605def6e AF |
660 | static RISCVException read_vxsat(CPURISCVState *env, int csrno, |
661 | target_ulong *val) | |
8e3a1f18 LZ |
662 | { |
663 | *val = env->vxsat; | |
605def6e | 664 | return RISCV_EXCP_NONE; |
8e3a1f18 LZ |
665 | } |
666 | ||
605def6e AF |
667 | static RISCVException write_vxsat(CPURISCVState *env, int csrno, |
668 | target_ulong val) | |
8e3a1f18 | 669 | { |
61b4b69d LZ |
670 | #if !defined(CONFIG_USER_ONLY) |
671 | env->mstatus |= MSTATUS_VS; | |
672 | #endif | |
8e3a1f18 | 673 | env->vxsat = val; |
605def6e | 674 | return RISCV_EXCP_NONE; |
8e3a1f18 LZ |
675 | } |
676 | ||
605def6e AF |
677 | static RISCVException read_vstart(CPURISCVState *env, int csrno, |
678 | target_ulong *val) | |
8e3a1f18 LZ |
679 | { |
680 | *val = env->vstart; | |
605def6e | 681 | return RISCV_EXCP_NONE; |
8e3a1f18 LZ |
682 | } |
683 | ||
605def6e AF |
684 | static RISCVException write_vstart(CPURISCVState *env, int csrno, |
685 | target_ulong val) | |
8e3a1f18 | 686 | { |
61b4b69d LZ |
687 | #if !defined(CONFIG_USER_ONLY) |
688 | env->mstatus |= MSTATUS_VS; | |
689 | #endif | |
f714361e FC |
690 | /* |
691 | * The vstart CSR is defined to have only enough writable bits | |
692 | * to hold the largest element index, i.e. lg2(VLEN) bits. | |
693 | */ | |
01af27e3 | 694 | env->vstart = val & ~(~0ULL << ctzl(riscv_cpu_cfg(env)->vlen)); |
605def6e | 695 | return RISCV_EXCP_NONE; |
8e3a1f18 LZ |
696 | } |
697 | ||
4594fa5a LZ |
698 | static int read_vcsr(CPURISCVState *env, int csrno, target_ulong *val) |
699 | { | |
700 | *val = (env->vxrm << VCSR_VXRM_SHIFT) | (env->vxsat << VCSR_VXSAT_SHIFT); | |
701 | return RISCV_EXCP_NONE; | |
702 | } | |
703 | ||
704 | static int write_vcsr(CPURISCVState *env, int csrno, target_ulong val) | |
705 | { | |
706 | #if !defined(CONFIG_USER_ONLY) | |
707 | env->mstatus |= MSTATUS_VS; | |
708 | #endif | |
709 | env->vxrm = (val & VCSR_VXRM) >> VCSR_VXRM_SHIFT; | |
710 | env->vxsat = (val & VCSR_VXSAT) >> VCSR_VXSAT_SHIFT; | |
711 | return RISCV_EXCP_NONE; | |
712 | } | |
713 | ||
c7b95171 | 714 | /* User Timers and Counters */ |
3780e337 | 715 | static target_ulong get_ticks(bool shift) |
c7b95171 | 716 | { |
3780e337 AP |
717 | int64_t val; |
718 | target_ulong result; | |
719 | ||
c7b95171 | 720 | #if !defined(CONFIG_USER_ONLY) |
740b1759 | 721 | if (icount_enabled()) { |
3780e337 | 722 | val = icount_get(); |
c7b95171 | 723 | } else { |
3780e337 | 724 | val = cpu_get_host_ticks(); |
c7b95171 MC |
725 | } |
726 | #else | |
3780e337 | 727 | val = cpu_get_host_ticks(); |
c7b95171 | 728 | #endif |
c7b95171 | 729 | |
3780e337 AP |
730 | if (shift) { |
731 | result = val >> 32; | |
c7b95171 | 732 | } else { |
3780e337 | 733 | result = val; |
c7b95171 | 734 | } |
3780e337 AP |
735 | |
736 | return result; | |
c7b95171 | 737 | } |
c7b95171 MC |
738 | |
739 | #if defined(CONFIG_USER_ONLY) | |
605def6e AF |
740 | static RISCVException read_time(CPURISCVState *env, int csrno, |
741 | target_ulong *val) | |
c7b95171 MC |
742 | { |
743 | *val = cpu_get_host_ticks(); | |
605def6e | 744 | return RISCV_EXCP_NONE; |
c7b95171 MC |
745 | } |
746 | ||
605def6e AF |
747 | static RISCVException read_timeh(CPURISCVState *env, int csrno, |
748 | target_ulong *val) | |
c7b95171 MC |
749 | { |
750 | *val = cpu_get_host_ticks() >> 32; | |
605def6e | 751 | return RISCV_EXCP_NONE; |
c7b95171 | 752 | } |
c7b95171 | 753 | |
3780e337 AP |
754 | static int read_hpmcounter(CPURISCVState *env, int csrno, target_ulong *val) |
755 | { | |
756 | *val = get_ticks(false); | |
757 | return RISCV_EXCP_NONE; | |
758 | } | |
759 | ||
760 | static int read_hpmcounterh(CPURISCVState *env, int csrno, target_ulong *val) | |
761 | { | |
762 | *val = get_ticks(true); | |
763 | return RISCV_EXCP_NONE; | |
764 | } | |
765 | ||
c7b95171 MC |
766 | #else /* CONFIG_USER_ONLY */ |
767 | ||
621f35bb AP |
768 | static int read_mhpmevent(CPURISCVState *env, int csrno, target_ulong *val) |
769 | { | |
3780e337 | 770 | int evt_index = csrno - CSR_MCOUNTINHIBIT; |
621f35bb AP |
771 | |
772 | *val = env->mhpmevent_val[evt_index]; | |
773 | ||
774 | return RISCV_EXCP_NONE; | |
775 | } | |
776 | ||
777 | static int write_mhpmevent(CPURISCVState *env, int csrno, target_ulong val) | |
778 | { | |
3780e337 | 779 | int evt_index = csrno - CSR_MCOUNTINHIBIT; |
14664483 | 780 | uint64_t mhpmevt_val = val; |
621f35bb AP |
781 | |
782 | env->mhpmevent_val[evt_index] = val; | |
783 | ||
14664483 AP |
784 | if (riscv_cpu_mxl(env) == MXL_RV32) { |
785 | mhpmevt_val = mhpmevt_val | | |
786 | ((uint64_t)env->mhpmeventh_val[evt_index] << 32); | |
787 | } | |
788 | riscv_pmu_update_event_map(env, mhpmevt_val, evt_index); | |
789 | ||
790 | return RISCV_EXCP_NONE; | |
791 | } | |
792 | ||
793 | static int read_mhpmeventh(CPURISCVState *env, int csrno, target_ulong *val) | |
794 | { | |
795 | int evt_index = csrno - CSR_MHPMEVENT3H + 3; | |
796 | ||
797 | *val = env->mhpmeventh_val[evt_index]; | |
798 | ||
799 | return RISCV_EXCP_NONE; | |
800 | } | |
801 | ||
802 | static int write_mhpmeventh(CPURISCVState *env, int csrno, target_ulong val) | |
803 | { | |
804 | int evt_index = csrno - CSR_MHPMEVENT3H + 3; | |
805 | uint64_t mhpmevth_val = val; | |
806 | uint64_t mhpmevt_val = env->mhpmevent_val[evt_index]; | |
807 | ||
808 | mhpmevt_val = mhpmevt_val | (mhpmevth_val << 32); | |
809 | env->mhpmeventh_val[evt_index] = val; | |
810 | ||
811 | riscv_pmu_update_event_map(env, mhpmevt_val, evt_index); | |
812 | ||
621f35bb AP |
813 | return RISCV_EXCP_NONE; |
814 | } | |
815 | ||
816 | static int write_mhpmcounter(CPURISCVState *env, int csrno, target_ulong val) | |
817 | { | |
3780e337 AP |
818 | int ctr_idx = csrno - CSR_MCYCLE; |
819 | PMUCTRState *counter = &env->pmu_ctrs[ctr_idx]; | |
14664483 | 820 | uint64_t mhpmctr_val = val; |
621f35bb | 821 | |
3780e337 AP |
822 | counter->mhpmcounter_val = val; |
823 | if (riscv_pmu_ctr_monitor_cycles(env, ctr_idx) || | |
824 | riscv_pmu_ctr_monitor_instructions(env, ctr_idx)) { | |
825 | counter->mhpmcounter_prev = get_ticks(false); | |
14664483 AP |
826 | if (ctr_idx > 2) { |
827 | if (riscv_cpu_mxl(env) == MXL_RV32) { | |
828 | mhpmctr_val = mhpmctr_val | | |
829 | ((uint64_t)counter->mhpmcounterh_val << 32); | |
830 | } | |
831 | riscv_pmu_setup_timer(env, mhpmctr_val, ctr_idx); | |
832 | } | |
833 | } else { | |
3780e337 AP |
834 | /* Other counters can keep incrementing from the given value */ |
835 | counter->mhpmcounter_prev = val; | |
836 | } | |
621f35bb AP |
837 | |
838 | return RISCV_EXCP_NONE; | |
839 | } | |
840 | ||
841 | static int write_mhpmcounterh(CPURISCVState *env, int csrno, target_ulong val) | |
842 | { | |
3780e337 AP |
843 | int ctr_idx = csrno - CSR_MCYCLEH; |
844 | PMUCTRState *counter = &env->pmu_ctrs[ctr_idx]; | |
14664483 AP |
845 | uint64_t mhpmctr_val = counter->mhpmcounter_val; |
846 | uint64_t mhpmctrh_val = val; | |
621f35bb | 847 | |
3780e337 | 848 | counter->mhpmcounterh_val = val; |
14664483 | 849 | mhpmctr_val = mhpmctr_val | (mhpmctrh_val << 32); |
3780e337 AP |
850 | if (riscv_pmu_ctr_monitor_cycles(env, ctr_idx) || |
851 | riscv_pmu_ctr_monitor_instructions(env, ctr_idx)) { | |
852 | counter->mhpmcounterh_prev = get_ticks(true); | |
14664483 AP |
853 | if (ctr_idx > 2) { |
854 | riscv_pmu_setup_timer(env, mhpmctr_val, ctr_idx); | |
855 | } | |
3780e337 AP |
856 | } else { |
857 | counter->mhpmcounterh_prev = val; | |
858 | } | |
859 | ||
860 | return RISCV_EXCP_NONE; | |
861 | } | |
862 | ||
863 | static RISCVException riscv_pmu_read_ctr(CPURISCVState *env, target_ulong *val, | |
864 | bool upper_half, uint32_t ctr_idx) | |
865 | { | |
866 | PMUCTRState counter = env->pmu_ctrs[ctr_idx]; | |
867 | target_ulong ctr_prev = upper_half ? counter.mhpmcounterh_prev : | |
868 | counter.mhpmcounter_prev; | |
869 | target_ulong ctr_val = upper_half ? counter.mhpmcounterh_val : | |
870 | counter.mhpmcounter_val; | |
871 | ||
872 | if (get_field(env->mcountinhibit, BIT(ctr_idx))) { | |
873 | /** | |
874 | * Counter should not increment if inhibit bit is set. We can't really | |
875 | * stop the icount counting. Just return the counter value written by | |
876 | * the supervisor to indicate that counter was not incremented. | |
877 | */ | |
878 | if (!counter.started) { | |
879 | *val = ctr_val; | |
880 | return RISCV_EXCP_NONE; | |
881 | } else { | |
882 | /* Mark that the counter has been stopped */ | |
883 | counter.started = false; | |
884 | } | |
885 | } | |
886 | ||
887 | /** | |
888 | * The kernel computes the perf delta by subtracting the current value from | |
889 | * the value it initialized previously (ctr_val). | |
890 | */ | |
891 | if (riscv_pmu_ctr_monitor_cycles(env, ctr_idx) || | |
892 | riscv_pmu_ctr_monitor_instructions(env, ctr_idx)) { | |
893 | *val = get_ticks(upper_half) - ctr_prev + ctr_val; | |
894 | } else { | |
895 | *val = ctr_val; | |
896 | } | |
621f35bb AP |
897 | |
898 | return RISCV_EXCP_NONE; | |
899 | } | |
900 | ||
901 | static int read_hpmcounter(CPURISCVState *env, int csrno, target_ulong *val) | |
902 | { | |
3780e337 | 903 | uint16_t ctr_index; |
621f35bb AP |
904 | |
905 | if (csrno >= CSR_MCYCLE && csrno <= CSR_MHPMCOUNTER31) { | |
3780e337 | 906 | ctr_index = csrno - CSR_MCYCLE; |
621f35bb | 907 | } else if (csrno >= CSR_CYCLE && csrno <= CSR_HPMCOUNTER31) { |
3780e337 | 908 | ctr_index = csrno - CSR_CYCLE; |
621f35bb AP |
909 | } else { |
910 | return RISCV_EXCP_ILLEGAL_INST; | |
911 | } | |
621f35bb | 912 | |
3780e337 | 913 | return riscv_pmu_read_ctr(env, val, false, ctr_index); |
621f35bb AP |
914 | } |
915 | ||
916 | static int read_hpmcounterh(CPURISCVState *env, int csrno, target_ulong *val) | |
917 | { | |
3780e337 | 918 | uint16_t ctr_index; |
621f35bb AP |
919 | |
920 | if (csrno >= CSR_MCYCLEH && csrno <= CSR_MHPMCOUNTER31H) { | |
3780e337 | 921 | ctr_index = csrno - CSR_MCYCLEH; |
621f35bb | 922 | } else if (csrno >= CSR_CYCLEH && csrno <= CSR_HPMCOUNTER31H) { |
3780e337 | 923 | ctr_index = csrno - CSR_CYCLEH; |
621f35bb AP |
924 | } else { |
925 | return RISCV_EXCP_ILLEGAL_INST; | |
926 | } | |
621f35bb | 927 | |
3780e337 | 928 | return riscv_pmu_read_ctr(env, val, true, ctr_index); |
621f35bb AP |
929 | } |
930 | ||
14664483 AP |
931 | static int read_scountovf(CPURISCVState *env, int csrno, target_ulong *val) |
932 | { | |
933 | int mhpmevt_start = CSR_MHPMEVENT3 - CSR_MCOUNTINHIBIT; | |
934 | int i; | |
935 | *val = 0; | |
936 | target_ulong *mhpm_evt_val; | |
937 | uint64_t of_bit_mask; | |
938 | ||
939 | if (riscv_cpu_mxl(env) == MXL_RV32) { | |
940 | mhpm_evt_val = env->mhpmeventh_val; | |
941 | of_bit_mask = MHPMEVENTH_BIT_OF; | |
942 | } else { | |
943 | mhpm_evt_val = env->mhpmevent_val; | |
944 | of_bit_mask = MHPMEVENT_BIT_OF; | |
945 | } | |
946 | ||
947 | for (i = mhpmevt_start; i < RV_MAX_MHPMEVENTS; i++) { | |
948 | if ((get_field(env->mcounteren, BIT(i))) && | |
949 | (mhpm_evt_val[i] & of_bit_mask)) { | |
950 | *val |= BIT(i); | |
951 | } | |
952 | } | |
953 | ||
954 | return RISCV_EXCP_NONE; | |
955 | } | |
956 | ||
605def6e AF |
957 | static RISCVException read_time(CPURISCVState *env, int csrno, |
958 | target_ulong *val) | |
c6957248 AP |
959 | { |
960 | uint64_t delta = riscv_cpu_virt_enabled(env) ? env->htimedelta : 0; | |
961 | ||
962 | if (!env->rdtime_fn) { | |
605def6e | 963 | return RISCV_EXCP_ILLEGAL_INST; |
c6957248 AP |
964 | } |
965 | ||
a47ef6e9 | 966 | *val = env->rdtime_fn(env->rdtime_fn_arg) + delta; |
605def6e | 967 | return RISCV_EXCP_NONE; |
c6957248 AP |
968 | } |
969 | ||
605def6e AF |
970 | static RISCVException read_timeh(CPURISCVState *env, int csrno, |
971 | target_ulong *val) | |
c6957248 AP |
972 | { |
973 | uint64_t delta = riscv_cpu_virt_enabled(env) ? env->htimedelta : 0; | |
974 | ||
975 | if (!env->rdtime_fn) { | |
605def6e | 976 | return RISCV_EXCP_ILLEGAL_INST; |
c6957248 AP |
977 | } |
978 | ||
a47ef6e9 | 979 | *val = (env->rdtime_fn(env->rdtime_fn_arg) + delta) >> 32; |
605def6e | 980 | return RISCV_EXCP_NONE; |
c6957248 | 981 | } |
c6957248 | 982 | |
3ec0fe18 | 983 | static RISCVException read_vstimecmp(CPURISCVState *env, int csrno, |
8c7feddd | 984 | target_ulong *val) |
3ec0fe18 AP |
985 | { |
986 | *val = env->vstimecmp; | |
987 | ||
988 | return RISCV_EXCP_NONE; | |
989 | } | |
990 | ||
991 | static RISCVException read_vstimecmph(CPURISCVState *env, int csrno, | |
8c7feddd | 992 | target_ulong *val) |
3ec0fe18 AP |
993 | { |
994 | *val = env->vstimecmp >> 32; | |
995 | ||
996 | return RISCV_EXCP_NONE; | |
997 | } | |
998 | ||
999 | static RISCVException write_vstimecmp(CPURISCVState *env, int csrno, | |
8c7feddd | 1000 | target_ulong val) |
3ec0fe18 AP |
1001 | { |
1002 | RISCVCPU *cpu = env_archcpu(env); | |
1003 | ||
1004 | if (riscv_cpu_mxl(env) == MXL_RV32) { | |
1005 | env->vstimecmp = deposit64(env->vstimecmp, 0, 32, (uint64_t)val); | |
1006 | } else { | |
1007 | env->vstimecmp = val; | |
1008 | } | |
1009 | ||
1010 | riscv_timer_write_timecmp(cpu, env->vstimer, env->vstimecmp, | |
1011 | env->htimedelta, MIP_VSTIP); | |
1012 | ||
1013 | return RISCV_EXCP_NONE; | |
1014 | } | |
1015 | ||
1016 | static RISCVException write_vstimecmph(CPURISCVState *env, int csrno, | |
8c7feddd | 1017 | target_ulong val) |
3ec0fe18 AP |
1018 | { |
1019 | RISCVCPU *cpu = env_archcpu(env); | |
1020 | ||
1021 | env->vstimecmp = deposit64(env->vstimecmp, 32, 32, (uint64_t)val); | |
1022 | riscv_timer_write_timecmp(cpu, env->vstimer, env->vstimecmp, | |
1023 | env->htimedelta, MIP_VSTIP); | |
1024 | ||
1025 | return RISCV_EXCP_NONE; | |
1026 | } | |
1027 | ||
43888c2f AP |
1028 | static RISCVException read_stimecmp(CPURISCVState *env, int csrno, |
1029 | target_ulong *val) | |
1030 | { | |
3ec0fe18 AP |
1031 | if (riscv_cpu_virt_enabled(env)) { |
1032 | *val = env->vstimecmp; | |
1033 | } else { | |
1034 | *val = env->stimecmp; | |
1035 | } | |
1036 | ||
43888c2f AP |
1037 | return RISCV_EXCP_NONE; |
1038 | } | |
1039 | ||
1040 | static RISCVException read_stimecmph(CPURISCVState *env, int csrno, | |
8c7feddd | 1041 | target_ulong *val) |
43888c2f | 1042 | { |
3ec0fe18 AP |
1043 | if (riscv_cpu_virt_enabled(env)) { |
1044 | *val = env->vstimecmp >> 32; | |
1045 | } else { | |
1046 | *val = env->stimecmp >> 32; | |
1047 | } | |
1048 | ||
43888c2f AP |
1049 | return RISCV_EXCP_NONE; |
1050 | } | |
1051 | ||
1052 | static RISCVException write_stimecmp(CPURISCVState *env, int csrno, | |
8c7feddd | 1053 | target_ulong val) |
43888c2f AP |
1054 | { |
1055 | RISCVCPU *cpu = env_archcpu(env); | |
1056 | ||
3ec0fe18 | 1057 | if (riscv_cpu_virt_enabled(env)) { |
e471a8c9 AB |
1058 | if (env->hvictl & HVICTL_VTI) { |
1059 | return RISCV_EXCP_VIRT_INSTRUCTION_FAULT; | |
1060 | } | |
3ec0fe18 AP |
1061 | return write_vstimecmp(env, csrno, val); |
1062 | } | |
1063 | ||
43888c2f AP |
1064 | if (riscv_cpu_mxl(env) == MXL_RV32) { |
1065 | env->stimecmp = deposit64(env->stimecmp, 0, 32, (uint64_t)val); | |
1066 | } else { | |
1067 | env->stimecmp = val; | |
1068 | } | |
1069 | ||
1070 | riscv_timer_write_timecmp(cpu, env->stimer, env->stimecmp, 0, MIP_STIP); | |
1071 | ||
1072 | return RISCV_EXCP_NONE; | |
1073 | } | |
1074 | ||
1075 | static RISCVException write_stimecmph(CPURISCVState *env, int csrno, | |
8c7feddd | 1076 | target_ulong val) |
43888c2f AP |
1077 | { |
1078 | RISCVCPU *cpu = env_archcpu(env); | |
1079 | ||
3ec0fe18 | 1080 | if (riscv_cpu_virt_enabled(env)) { |
e471a8c9 AB |
1081 | if (env->hvictl & HVICTL_VTI) { |
1082 | return RISCV_EXCP_VIRT_INSTRUCTION_FAULT; | |
1083 | } | |
3ec0fe18 AP |
1084 | return write_vstimecmph(env, csrno, val); |
1085 | } | |
1086 | ||
43888c2f AP |
1087 | env->stimecmp = deposit64(env->stimecmp, 32, 32, (uint64_t)val); |
1088 | riscv_timer_write_timecmp(cpu, env->stimer, env->stimecmp, 0, MIP_STIP); | |
1089 | ||
1090 | return RISCV_EXCP_NONE; | |
1091 | } | |
1092 | ||
c7b95171 MC |
1093 | /* Machine constants */ |
1094 | ||
d028ac75 | 1095 | #define M_MODE_INTERRUPTS ((uint64_t)(MIP_MSIP | MIP_MTIP | MIP_MEIP)) |
14664483 AP |
1096 | #define S_MODE_INTERRUPTS ((uint64_t)(MIP_SSIP | MIP_STIP | MIP_SEIP | \ |
1097 | MIP_LCOFIP)) | |
d028ac75 AP |
1098 | #define VS_MODE_INTERRUPTS ((uint64_t)(MIP_VSSIP | MIP_VSTIP | MIP_VSEIP)) |
1099 | #define HS_MODE_INTERRUPTS ((uint64_t)(MIP_SGEIP | VS_MODE_INTERRUPTS)) | |
c7b95171 | 1100 | |
c7de92b4 AP |
1101 | #define VSTOPI_NUM_SRCS 5 |
1102 | ||
d028ac75 | 1103 | static const uint64_t delegable_ints = S_MODE_INTERRUPTS | |
d0e53ce3 | 1104 | VS_MODE_INTERRUPTS; |
d028ac75 AP |
1105 | static const uint64_t vs_delegable_ints = VS_MODE_INTERRUPTS; |
1106 | static const uint64_t all_ints = M_MODE_INTERRUPTS | S_MODE_INTERRUPTS | | |
881df35d | 1107 | HS_MODE_INTERRUPTS; |
bc083a51 JM |
1108 | #define DELEGABLE_EXCPS ((1ULL << (RISCV_EXCP_INST_ADDR_MIS)) | \ |
1109 | (1ULL << (RISCV_EXCP_INST_ACCESS_FAULT)) | \ | |
1110 | (1ULL << (RISCV_EXCP_ILLEGAL_INST)) | \ | |
1111 | (1ULL << (RISCV_EXCP_BREAKPOINT)) | \ | |
1112 | (1ULL << (RISCV_EXCP_LOAD_ADDR_MIS)) | \ | |
1113 | (1ULL << (RISCV_EXCP_LOAD_ACCESS_FAULT)) | \ | |
1114 | (1ULL << (RISCV_EXCP_STORE_AMO_ADDR_MIS)) | \ | |
1115 | (1ULL << (RISCV_EXCP_STORE_AMO_ACCESS_FAULT)) | \ | |
1116 | (1ULL << (RISCV_EXCP_U_ECALL)) | \ | |
1117 | (1ULL << (RISCV_EXCP_S_ECALL)) | \ | |
1118 | (1ULL << (RISCV_EXCP_VS_ECALL)) | \ | |
1119 | (1ULL << (RISCV_EXCP_M_ECALL)) | \ | |
1120 | (1ULL << (RISCV_EXCP_INST_PAGE_FAULT)) | \ | |
1121 | (1ULL << (RISCV_EXCP_LOAD_PAGE_FAULT)) | \ | |
1122 | (1ULL << (RISCV_EXCP_STORE_PAGE_FAULT)) | \ | |
1123 | (1ULL << (RISCV_EXCP_INST_GUEST_PAGE_FAULT)) | \ | |
1124 | (1ULL << (RISCV_EXCP_LOAD_GUEST_ACCESS_FAULT)) | \ | |
1125 | (1ULL << (RISCV_EXCP_VIRT_INSTRUCTION_FAULT)) | \ | |
1126 | (1ULL << (RISCV_EXCP_STORE_GUEST_AMO_ACCESS_FAULT))) | |
1127 | static const target_ulong vs_delegable_excps = DELEGABLE_EXCPS & | |
1128 | ~((1ULL << (RISCV_EXCP_S_ECALL)) | | |
1129 | (1ULL << (RISCV_EXCP_VS_ECALL)) | | |
1130 | (1ULL << (RISCV_EXCP_M_ECALL)) | | |
1131 | (1ULL << (RISCV_EXCP_INST_GUEST_PAGE_FAULT)) | | |
1132 | (1ULL << (RISCV_EXCP_LOAD_GUEST_ACCESS_FAULT)) | | |
1133 | (1ULL << (RISCV_EXCP_VIRT_INSTRUCTION_FAULT)) | | |
1134 | (1ULL << (RISCV_EXCP_STORE_GUEST_AMO_ACCESS_FAULT))); | |
c7b95171 MC |
1135 | static const target_ulong sstatus_v1_10_mask = SSTATUS_SIE | SSTATUS_SPIE | |
1136 | SSTATUS_UIE | SSTATUS_UPIE | SSTATUS_SPP | SSTATUS_FS | SSTATUS_XS | | |
f310df58 | 1137 | SSTATUS_SUM | SSTATUS_MXR | SSTATUS_VS; |
14664483 AP |
1138 | static const target_ulong sip_writable_mask = SIP_SSIP | MIP_USIP | MIP_UEIP | |
1139 | SIP_LCOFIP; | |
e89b631c GK |
1140 | static const target_ulong hip_writable_mask = MIP_VSSIP; |
1141 | static const target_ulong hvip_writable_mask = MIP_VSSIP | MIP_VSTIP | MIP_VSEIP; | |
8747c9ee | 1142 | static const target_ulong vsip_writable_mask = MIP_VSSIP; |
c7b95171 | 1143 | |
bf1a6abe AG |
1144 | static const bool valid_vm_1_10_32[16] = { |
1145 | [VM_1_10_MBARE] = true, | |
1146 | [VM_1_10_SV32] = true | |
c7b95171 | 1147 | }; |
8987cdc4 | 1148 | |
bf1a6abe AG |
1149 | static const bool valid_vm_1_10_64[16] = { |
1150 | [VM_1_10_MBARE] = true, | |
1151 | [VM_1_10_SV39] = true, | |
1152 | [VM_1_10_SV48] = true, | |
1153 | [VM_1_10_SV57] = true | |
c7b95171 | 1154 | }; |
c7b95171 MC |
1155 | |
1156 | /* Machine Information Registers */ | |
605def6e AF |
1157 | static RISCVException read_zero(CPURISCVState *env, int csrno, |
1158 | target_ulong *val) | |
c7b95171 | 1159 | { |
605def6e AF |
1160 | *val = 0; |
1161 | return RISCV_EXCP_NONE; | |
c7b95171 MC |
1162 | } |
1163 | ||
d0237b4d AP |
1164 | static RISCVException write_ignore(CPURISCVState *env, int csrno, |
1165 | target_ulong val) | |
1166 | { | |
1167 | return RISCV_EXCP_NONE; | |
1168 | } | |
1169 | ||
9951ba94 FC |
1170 | static RISCVException read_mvendorid(CPURISCVState *env, int csrno, |
1171 | target_ulong *val) | |
1172 | { | |
94e29707 | 1173 | RISCVCPU *cpu = env_archcpu(env); |
9951ba94 FC |
1174 | |
1175 | *val = cpu->cfg.mvendorid; | |
1176 | return RISCV_EXCP_NONE; | |
1177 | } | |
1178 | ||
1179 | static RISCVException read_marchid(CPURISCVState *env, int csrno, | |
1180 | target_ulong *val) | |
1181 | { | |
94e29707 | 1182 | RISCVCPU *cpu = env_archcpu(env); |
9951ba94 FC |
1183 | |
1184 | *val = cpu->cfg.marchid; | |
1185 | return RISCV_EXCP_NONE; | |
1186 | } | |
1187 | ||
075eeda9 FC |
1188 | static RISCVException read_mimpid(CPURISCVState *env, int csrno, |
1189 | target_ulong *val) | |
9951ba94 | 1190 | { |
94e29707 | 1191 | RISCVCPU *cpu = env_archcpu(env); |
9951ba94 | 1192 | |
075eeda9 | 1193 | *val = cpu->cfg.mimpid; |
9951ba94 FC |
1194 | return RISCV_EXCP_NONE; |
1195 | } | |
1196 | ||
605def6e AF |
1197 | static RISCVException read_mhartid(CPURISCVState *env, int csrno, |
1198 | target_ulong *val) | |
c7b95171 MC |
1199 | { |
1200 | *val = env->mhartid; | |
605def6e | 1201 | return RISCV_EXCP_NONE; |
c7b95171 MC |
1202 | } |
1203 | ||
1204 | /* Machine Trap Setup */ | |
b550f894 RH |
1205 | |
1206 | /* We do not store SD explicitly, only compute it on demand. */ | |
1207 | static uint64_t add_status_sd(RISCVMXL xl, uint64_t status) | |
1208 | { | |
1209 | if ((status & MSTATUS_FS) == MSTATUS_FS || | |
c36b2f1a | 1210 | (status & MSTATUS_VS) == MSTATUS_VS || |
b550f894 RH |
1211 | (status & MSTATUS_XS) == MSTATUS_XS) { |
1212 | switch (xl) { | |
1213 | case MXL_RV32: | |
1214 | return status | MSTATUS32_SD; | |
1215 | case MXL_RV64: | |
1216 | return status | MSTATUS64_SD; | |
457c360f FP |
1217 | case MXL_RV128: |
1218 | return MSTATUSH128_SD; | |
b550f894 RH |
1219 | default: |
1220 | g_assert_not_reached(); | |
1221 | } | |
1222 | } | |
1223 | return status; | |
1224 | } | |
1225 | ||
605def6e AF |
1226 | static RISCVException read_mstatus(CPURISCVState *env, int csrno, |
1227 | target_ulong *val) | |
c7b95171 | 1228 | { |
b550f894 | 1229 | *val = add_status_sd(riscv_cpu_mxl(env), env->mstatus); |
605def6e | 1230 | return RISCV_EXCP_NONE; |
c7b95171 MC |
1231 | } |
1232 | ||
bf1a6abe | 1233 | static bool validate_vm(CPURISCVState *env, target_ulong vm) |
c7b95171 | 1234 | { |
db23e5d9 | 1235 | if (riscv_cpu_mxl(env) == MXL_RV32) { |
8987cdc4 AF |
1236 | return valid_vm_1_10_32[vm & 0xf]; |
1237 | } else { | |
1238 | return valid_vm_1_10_64[vm & 0xf]; | |
1239 | } | |
c7b95171 MC |
1240 | } |
1241 | ||
605def6e AF |
1242 | static RISCVException write_mstatus(CPURISCVState *env, int csrno, |
1243 | target_ulong val) | |
c7b95171 | 1244 | { |
284d697c YJ |
1245 | uint64_t mstatus = env->mstatus; |
1246 | uint64_t mask = 0; | |
f310df58 | 1247 | RISCVMXL xl = riscv_cpu_mxl(env); |
c7b95171 MC |
1248 | |
1249 | /* flush tlb on mstatus fields that affect VM */ | |
1a9540d1 AF |
1250 | if ((val ^ mstatus) & (MSTATUS_MXR | MSTATUS_MPP | MSTATUS_MPV | |
1251 | MSTATUS_MPRV | MSTATUS_SUM)) { | |
1252 | tlb_flush(env_cpu(env)); | |
c7b95171 | 1253 | } |
1a9540d1 | 1254 | mask = MSTATUS_SIE | MSTATUS_SPIE | MSTATUS_MIE | MSTATUS_MPIE | |
c163b3ba | 1255 | MSTATUS_SPP | MSTATUS_MPRV | MSTATUS_SUM | |
1a9540d1 | 1256 | MSTATUS_MPP | MSTATUS_MXR | MSTATUS_TVM | MSTATUS_TSR | |
61b4b69d | 1257 | MSTATUS_TW | MSTATUS_VS; |
8987cdc4 | 1258 | |
c163b3ba WL |
1259 | if (riscv_has_ext(env, RVF)) { |
1260 | mask |= MSTATUS_FS; | |
1261 | } | |
1262 | ||
f297245f | 1263 | if (xl != MXL_RV32 || env->debugger) { |
8987cdc4 AF |
1264 | /* |
1265 | * RV32: MPV and GVA are not in mstatus. The current plan is to | |
1266 | * add them to mstatush. For now, we just don't support it. | |
1267 | */ | |
1268 | mask |= MSTATUS_MPV | MSTATUS_GVA; | |
f310df58 LZ |
1269 | if ((val & MSTATUS64_UXL) != 0) { |
1270 | mask |= MSTATUS64_UXL; | |
1271 | } | |
8987cdc4 | 1272 | } |
c7b95171 MC |
1273 | |
1274 | mstatus = (mstatus & ~mask) | (val & mask); | |
1275 | ||
457c360f | 1276 | if (xl > MXL_RV32) { |
f310df58 | 1277 | /* SXL field is for now read only */ |
457c360f | 1278 | mstatus = set_field(mstatus, MSTATUS64_SXL, xl); |
4fd7455b | 1279 | } |
c7b95171 | 1280 | env->mstatus = mstatus; |
440544e1 | 1281 | env->xl = cpu_recompute_xl(env); |
c7b95171 | 1282 | |
605def6e | 1283 | return RISCV_EXCP_NONE; |
c7b95171 MC |
1284 | } |
1285 | ||
605def6e AF |
1286 | static RISCVException read_mstatush(CPURISCVState *env, int csrno, |
1287 | target_ulong *val) | |
551fa7e8 | 1288 | { |
284d697c | 1289 | *val = env->mstatus >> 32; |
605def6e | 1290 | return RISCV_EXCP_NONE; |
551fa7e8 AF |
1291 | } |
1292 | ||
605def6e AF |
1293 | static RISCVException write_mstatush(CPURISCVState *env, int csrno, |
1294 | target_ulong val) | |
551fa7e8 | 1295 | { |
284d697c YJ |
1296 | uint64_t valh = (uint64_t)val << 32; |
1297 | uint64_t mask = MSTATUS_MPV | MSTATUS_GVA; | |
1298 | ||
1299 | if ((valh ^ env->mstatus) & (MSTATUS_MPV)) { | |
551fa7e8 AF |
1300 | tlb_flush(env_cpu(env)); |
1301 | } | |
1302 | ||
284d697c | 1303 | env->mstatus = (env->mstatus & ~mask) | (valh & mask); |
551fa7e8 | 1304 | |
605def6e | 1305 | return RISCV_EXCP_NONE; |
551fa7e8 | 1306 | } |
551fa7e8 | 1307 | |
457c360f FP |
1308 | static RISCVException read_mstatus_i128(CPURISCVState *env, int csrno, |
1309 | Int128 *val) | |
1310 | { | |
1311 | *val = int128_make128(env->mstatus, add_status_sd(MXL_RV128, env->mstatus)); | |
1312 | return RISCV_EXCP_NONE; | |
1313 | } | |
1314 | ||
1315 | static RISCVException read_misa_i128(CPURISCVState *env, int csrno, | |
1316 | Int128 *val) | |
1317 | { | |
1318 | *val = int128_make128(env->misa_ext, (uint64_t)MXL_RV128 << 62); | |
1319 | return RISCV_EXCP_NONE; | |
1320 | } | |
1321 | ||
605def6e AF |
1322 | static RISCVException read_misa(CPURISCVState *env, int csrno, |
1323 | target_ulong *val) | |
c7b95171 | 1324 | { |
e91a7227 RH |
1325 | target_ulong misa; |
1326 | ||
1327 | switch (env->misa_mxl) { | |
1328 | case MXL_RV32: | |
1329 | misa = (target_ulong)MXL_RV32 << 30; | |
1330 | break; | |
1331 | #ifdef TARGET_RISCV64 | |
1332 | case MXL_RV64: | |
1333 | misa = (target_ulong)MXL_RV64 << 62; | |
1334 | break; | |
1335 | #endif | |
1336 | default: | |
1337 | g_assert_not_reached(); | |
1338 | } | |
1339 | ||
1340 | *val = misa | env->misa_ext; | |
605def6e | 1341 | return RISCV_EXCP_NONE; |
c7b95171 MC |
1342 | } |
1343 | ||
605def6e AF |
1344 | static RISCVException write_misa(CPURISCVState *env, int csrno, |
1345 | target_ulong val) | |
f18637cd | 1346 | { |
54bd9b6e | 1347 | if (!riscv_cpu_cfg(env)->misa_w) { |
f18637cd | 1348 | /* drop write to misa */ |
605def6e | 1349 | return RISCV_EXCP_NONE; |
f18637cd MC |
1350 | } |
1351 | ||
1352 | /* 'I' or 'E' must be present */ | |
1353 | if (!(val & (RVI | RVE))) { | |
1354 | /* It is not, drop write to misa */ | |
605def6e | 1355 | return RISCV_EXCP_NONE; |
f18637cd MC |
1356 | } |
1357 | ||
1358 | /* 'E' excludes all other extensions */ | |
1359 | if (val & RVE) { | |
8c7feddd BM |
1360 | /* |
1361 | * when we support 'E' we can do "val = RVE;" however | |
f18637cd MC |
1362 | * for now we just drop writes if 'E' is present. |
1363 | */ | |
605def6e | 1364 | return RISCV_EXCP_NONE; |
f18637cd MC |
1365 | } |
1366 | ||
e91a7227 RH |
1367 | /* |
1368 | * misa.MXL writes are not supported by QEMU. | |
1369 | * Drop writes to those bits. | |
1370 | */ | |
1371 | ||
f18637cd | 1372 | /* Mask extensions that are not supported by this hart */ |
e91a7227 | 1373 | val &= env->misa_ext_mask; |
f18637cd | 1374 | |
f18637cd MC |
1375 | /* 'D' depends on 'F', so clear 'D' if 'F' is not present */ |
1376 | if ((val & RVD) && !(val & RVF)) { | |
1377 | val &= ~RVD; | |
1378 | } | |
1379 | ||
8c7feddd BM |
1380 | /* |
1381 | * Suppress 'C' if next instruction is not aligned | |
f18637cd MC |
1382 | * TODO: this should check next_pc |
1383 | */ | |
1384 | if ((val & RVC) && (GETPC() & ~3) != 0) { | |
1385 | val &= ~RVC; | |
1386 | } | |
1387 | ||
e91a7227 RH |
1388 | /* If nothing changed, do nothing. */ |
1389 | if (val == env->misa_ext) { | |
1390 | return RISCV_EXCP_NONE; | |
4fd7455b | 1391 | } |
f18637cd | 1392 | |
c163b3ba WL |
1393 | if (!(val & RVF)) { |
1394 | env->mstatus &= ~MSTATUS_FS; | |
1395 | } | |
1396 | ||
f18637cd | 1397 | /* flush translation cache */ |
e91a7227 RH |
1398 | tb_flush(env_cpu(env)); |
1399 | env->misa_ext = val; | |
440544e1 | 1400 | env->xl = riscv_cpu_mxl(env); |
605def6e | 1401 | return RISCV_EXCP_NONE; |
f18637cd MC |
1402 | } |
1403 | ||
605def6e AF |
1404 | static RISCVException read_medeleg(CPURISCVState *env, int csrno, |
1405 | target_ulong *val) | |
c7b95171 MC |
1406 | { |
1407 | *val = env->medeleg; | |
605def6e | 1408 | return RISCV_EXCP_NONE; |
c7b95171 MC |
1409 | } |
1410 | ||
605def6e AF |
1411 | static RISCVException write_medeleg(CPURISCVState *env, int csrno, |
1412 | target_ulong val) | |
c7b95171 | 1413 | { |
bc083a51 | 1414 | env->medeleg = (env->medeleg & ~DELEGABLE_EXCPS) | (val & DELEGABLE_EXCPS); |
605def6e | 1415 | return RISCV_EXCP_NONE; |
c7b95171 MC |
1416 | } |
1417 | ||
d028ac75 AP |
1418 | static RISCVException rmw_mideleg64(CPURISCVState *env, int csrno, |
1419 | uint64_t *ret_val, | |
1420 | uint64_t new_val, uint64_t wr_mask) | |
c7b95171 | 1421 | { |
d028ac75 AP |
1422 | uint64_t mask = wr_mask & delegable_ints; |
1423 | ||
1424 | if (ret_val) { | |
1425 | *ret_val = env->mideleg; | |
1426 | } | |
1427 | ||
1428 | env->mideleg = (env->mideleg & ~mask) | (new_val & mask); | |
c7b95171 | 1429 | |
713d8363 | 1430 | if (riscv_has_ext(env, RVH)) { |
881df35d | 1431 | env->mideleg |= HS_MODE_INTERRUPTS; |
713d8363 | 1432 | } |
d028ac75 | 1433 | |
605def6e | 1434 | return RISCV_EXCP_NONE; |
c7b95171 MC |
1435 | } |
1436 | ||
d028ac75 AP |
1437 | static RISCVException rmw_mideleg(CPURISCVState *env, int csrno, |
1438 | target_ulong *ret_val, | |
1439 | target_ulong new_val, target_ulong wr_mask) | |
c7b95171 | 1440 | { |
d028ac75 AP |
1441 | uint64_t rval; |
1442 | RISCVException ret; | |
1443 | ||
1444 | ret = rmw_mideleg64(env, csrno, &rval, new_val, wr_mask); | |
1445 | if (ret_val) { | |
1446 | *ret_val = rval; | |
1447 | } | |
1448 | ||
1449 | return ret; | |
c7b95171 MC |
1450 | } |
1451 | ||
d028ac75 AP |
1452 | static RISCVException rmw_midelegh(CPURISCVState *env, int csrno, |
1453 | target_ulong *ret_val, | |
1454 | target_ulong new_val, | |
1455 | target_ulong wr_mask) | |
c7b95171 | 1456 | { |
d028ac75 AP |
1457 | uint64_t rval; |
1458 | RISCVException ret; | |
1459 | ||
1460 | ret = rmw_mideleg64(env, csrno, &rval, | |
1461 | ((uint64_t)new_val) << 32, ((uint64_t)wr_mask) << 32); | |
1462 | if (ret_val) { | |
1463 | *ret_val = rval >> 32; | |
1464 | } | |
1465 | ||
1466 | return ret; | |
1467 | } | |
1468 | ||
1469 | static RISCVException rmw_mie64(CPURISCVState *env, int csrno, | |
1470 | uint64_t *ret_val, | |
1471 | uint64_t new_val, uint64_t wr_mask) | |
1472 | { | |
1473 | uint64_t mask = wr_mask & all_ints; | |
1474 | ||
1475 | if (ret_val) { | |
1476 | *ret_val = env->mie; | |
1477 | } | |
1478 | ||
1479 | env->mie = (env->mie & ~mask) | (new_val & mask); | |
1480 | ||
881df35d | 1481 | if (!riscv_has_ext(env, RVH)) { |
d028ac75 | 1482 | env->mie &= ~((uint64_t)MIP_SGEIP); |
881df35d | 1483 | } |
d028ac75 | 1484 | |
605def6e | 1485 | return RISCV_EXCP_NONE; |
c7b95171 MC |
1486 | } |
1487 | ||
d028ac75 AP |
1488 | static RISCVException rmw_mie(CPURISCVState *env, int csrno, |
1489 | target_ulong *ret_val, | |
1490 | target_ulong new_val, target_ulong wr_mask) | |
1491 | { | |
1492 | uint64_t rval; | |
1493 | RISCVException ret; | |
1494 | ||
1495 | ret = rmw_mie64(env, csrno, &rval, new_val, wr_mask); | |
1496 | if (ret_val) { | |
1497 | *ret_val = rval; | |
1498 | } | |
1499 | ||
1500 | return ret; | |
1501 | } | |
1502 | ||
1503 | static RISCVException rmw_mieh(CPURISCVState *env, int csrno, | |
1504 | target_ulong *ret_val, | |
1505 | target_ulong new_val, target_ulong wr_mask) | |
1506 | { | |
1507 | uint64_t rval; | |
1508 | RISCVException ret; | |
1509 | ||
1510 | ret = rmw_mie64(env, csrno, &rval, | |
1511 | ((uint64_t)new_val) << 32, ((uint64_t)wr_mask) << 32); | |
1512 | if (ret_val) { | |
1513 | *ret_val = rval >> 32; | |
1514 | } | |
1515 | ||
1516 | return ret; | |
1517 | } | |
1518 | ||
c7de92b4 AP |
1519 | static int read_mtopi(CPURISCVState *env, int csrno, target_ulong *val) |
1520 | { | |
1521 | int irq; | |
1522 | uint8_t iprio; | |
1523 | ||
1524 | irq = riscv_cpu_mirq_pending(env); | |
1525 | if (irq <= 0 || irq > 63) { | |
1526 | *val = 0; | |
1527 | } else { | |
1528 | iprio = env->miprio[irq]; | |
1529 | if (!iprio) { | |
1530 | if (riscv_cpu_default_priority(irq) > IPRIO_DEFAULT_M) { | |
1531 | iprio = IPRIO_MMAXIPRIO; | |
1532 | } | |
1533 | } | |
1534 | *val = (irq & TOPI_IID_MASK) << TOPI_IID_SHIFT; | |
1535 | *val |= iprio; | |
1536 | } | |
1537 | ||
1538 | return RISCV_EXCP_NONE; | |
1539 | } | |
1540 | ||
d1ceff40 AP |
1541 | static int aia_xlate_vs_csrno(CPURISCVState *env, int csrno) |
1542 | { | |
1543 | if (!riscv_cpu_virt_enabled(env)) { | |
1544 | return csrno; | |
1545 | } | |
1546 | ||
1547 | switch (csrno) { | |
1548 | case CSR_SISELECT: | |
1549 | return CSR_VSISELECT; | |
1550 | case CSR_SIREG: | |
1551 | return CSR_VSIREG; | |
ac4b0302 AP |
1552 | case CSR_STOPEI: |
1553 | return CSR_VSTOPEI; | |
d1ceff40 AP |
1554 | default: |
1555 | return csrno; | |
1556 | }; | |
1557 | } | |
1558 | ||
1559 | static int rmw_xiselect(CPURISCVState *env, int csrno, target_ulong *val, | |
1560 | target_ulong new_val, target_ulong wr_mask) | |
1561 | { | |
1562 | target_ulong *iselect; | |
1563 | ||
1564 | /* Translate CSR number for VS-mode */ | |
1565 | csrno = aia_xlate_vs_csrno(env, csrno); | |
1566 | ||
1567 | /* Find the iselect CSR based on CSR number */ | |
1568 | switch (csrno) { | |
1569 | case CSR_MISELECT: | |
1570 | iselect = &env->miselect; | |
1571 | break; | |
1572 | case CSR_SISELECT: | |
1573 | iselect = &env->siselect; | |
1574 | break; | |
1575 | case CSR_VSISELECT: | |
1576 | iselect = &env->vsiselect; | |
1577 | break; | |
1578 | default: | |
1579 | return RISCV_EXCP_ILLEGAL_INST; | |
1580 | }; | |
1581 | ||
1582 | if (val) { | |
1583 | *val = *iselect; | |
1584 | } | |
1585 | ||
1586 | wr_mask &= ISELECT_MASK; | |
1587 | if (wr_mask) { | |
1588 | *iselect = (*iselect & ~wr_mask) | (new_val & wr_mask); | |
1589 | } | |
1590 | ||
1591 | return RISCV_EXCP_NONE; | |
1592 | } | |
1593 | ||
1594 | static int rmw_iprio(target_ulong xlen, | |
1595 | target_ulong iselect, uint8_t *iprio, | |
1596 | target_ulong *val, target_ulong new_val, | |
1597 | target_ulong wr_mask, int ext_irq_no) | |
1598 | { | |
1599 | int i, firq, nirqs; | |
1600 | target_ulong old_val; | |
1601 | ||
1602 | if (iselect < ISELECT_IPRIO0 || ISELECT_IPRIO15 < iselect) { | |
1603 | return -EINVAL; | |
1604 | } | |
1605 | if (xlen != 32 && iselect & 0x1) { | |
1606 | return -EINVAL; | |
1607 | } | |
1608 | ||
1609 | nirqs = 4 * (xlen / 32); | |
1610 | firq = ((iselect - ISELECT_IPRIO0) / (xlen / 32)) * (nirqs); | |
1611 | ||
1612 | old_val = 0; | |
1613 | for (i = 0; i < nirqs; i++) { | |
1614 | old_val |= ((target_ulong)iprio[firq + i]) << (IPRIO_IRQ_BITS * i); | |
1615 | } | |
1616 | ||
1617 | if (val) { | |
1618 | *val = old_val; | |
1619 | } | |
1620 | ||
1621 | if (wr_mask) { | |
1622 | new_val = (old_val & ~wr_mask) | (new_val & wr_mask); | |
1623 | for (i = 0; i < nirqs; i++) { | |
1624 | /* | |
1625 | * M-level and S-level external IRQ priority always read-only | |
1626 | * zero. This means default priority order is always preferred | |
1627 | * for M-level and S-level external IRQs. | |
1628 | */ | |
1629 | if ((firq + i) == ext_irq_no) { | |
1630 | continue; | |
1631 | } | |
1632 | iprio[firq + i] = (new_val >> (IPRIO_IRQ_BITS * i)) & 0xff; | |
1633 | } | |
1634 | } | |
1635 | ||
1636 | return 0; | |
1637 | } | |
1638 | ||
1639 | static int rmw_xireg(CPURISCVState *env, int csrno, target_ulong *val, | |
1640 | target_ulong new_val, target_ulong wr_mask) | |
1641 | { | |
1642 | bool virt; | |
1643 | uint8_t *iprio; | |
1644 | int ret = -EINVAL; | |
1645 | target_ulong priv, isel, vgein; | |
1646 | ||
1647 | /* Translate CSR number for VS-mode */ | |
1648 | csrno = aia_xlate_vs_csrno(env, csrno); | |
1649 | ||
1650 | /* Decode register details from CSR number */ | |
1651 | virt = false; | |
1652 | switch (csrno) { | |
1653 | case CSR_MIREG: | |
1654 | iprio = env->miprio; | |
1655 | isel = env->miselect; | |
1656 | priv = PRV_M; | |
1657 | break; | |
1658 | case CSR_SIREG: | |
1659 | iprio = env->siprio; | |
1660 | isel = env->siselect; | |
1661 | priv = PRV_S; | |
1662 | break; | |
1663 | case CSR_VSIREG: | |
1664 | iprio = env->hviprio; | |
1665 | isel = env->vsiselect; | |
1666 | priv = PRV_S; | |
1667 | virt = true; | |
1668 | break; | |
1669 | default: | |
1670 | goto done; | |
1671 | }; | |
1672 | ||
1673 | /* Find the selected guest interrupt file */ | |
1674 | vgein = (virt) ? get_field(env->hstatus, HSTATUS_VGEIN) : 0; | |
1675 | ||
1676 | if (ISELECT_IPRIO0 <= isel && isel <= ISELECT_IPRIO15) { | |
1677 | /* Local interrupt priority registers not available for VS-mode */ | |
1678 | if (!virt) { | |
1679 | ret = rmw_iprio(riscv_cpu_mxl_bits(env), | |
1680 | isel, iprio, val, new_val, wr_mask, | |
1681 | (priv == PRV_M) ? IRQ_M_EXT : IRQ_S_EXT); | |
1682 | } | |
1683 | } else if (ISELECT_IMSIC_FIRST <= isel && isel <= ISELECT_IMSIC_LAST) { | |
1684 | /* IMSIC registers only available when machine implements it. */ | |
1685 | if (env->aia_ireg_rmw_fn[priv]) { | |
1686 | /* Selected guest interrupt file should not be zero */ | |
1687 | if (virt && (!vgein || env->geilen < vgein)) { | |
1688 | goto done; | |
1689 | } | |
1690 | /* Call machine specific IMSIC register emulation */ | |
1691 | ret = env->aia_ireg_rmw_fn[priv](env->aia_ireg_rmw_fn_arg[priv], | |
1692 | AIA_MAKE_IREG(isel, priv, virt, vgein, | |
1693 | riscv_cpu_mxl_bits(env)), | |
1694 | val, new_val, wr_mask); | |
1695 | } | |
1696 | } | |
1697 | ||
1698 | done: | |
1699 | if (ret) { | |
1700 | return (riscv_cpu_virt_enabled(env) && virt) ? | |
1701 | RISCV_EXCP_VIRT_INSTRUCTION_FAULT : RISCV_EXCP_ILLEGAL_INST; | |
1702 | } | |
1703 | return RISCV_EXCP_NONE; | |
1704 | } | |
1705 | ||
ac4b0302 AP |
1706 | static int rmw_xtopei(CPURISCVState *env, int csrno, target_ulong *val, |
1707 | target_ulong new_val, target_ulong wr_mask) | |
1708 | { | |
1709 | bool virt; | |
1710 | int ret = -EINVAL; | |
1711 | target_ulong priv, vgein; | |
1712 | ||
1713 | /* Translate CSR number for VS-mode */ | |
1714 | csrno = aia_xlate_vs_csrno(env, csrno); | |
1715 | ||
1716 | /* Decode register details from CSR number */ | |
1717 | virt = false; | |
1718 | switch (csrno) { | |
1719 | case CSR_MTOPEI: | |
1720 | priv = PRV_M; | |
1721 | break; | |
1722 | case CSR_STOPEI: | |
1723 | priv = PRV_S; | |
1724 | break; | |
1725 | case CSR_VSTOPEI: | |
1726 | priv = PRV_S; | |
1727 | virt = true; | |
1728 | break; | |
1729 | default: | |
1730 | goto done; | |
1731 | }; | |
1732 | ||
1733 | /* IMSIC CSRs only available when machine implements IMSIC. */ | |
1734 | if (!env->aia_ireg_rmw_fn[priv]) { | |
1735 | goto done; | |
1736 | } | |
1737 | ||
1738 | /* Find the selected guest interrupt file */ | |
1739 | vgein = (virt) ? get_field(env->hstatus, HSTATUS_VGEIN) : 0; | |
1740 | ||
1741 | /* Selected guest interrupt file should be valid */ | |
1742 | if (virt && (!vgein || env->geilen < vgein)) { | |
1743 | goto done; | |
1744 | } | |
1745 | ||
1746 | /* Call machine specific IMSIC register emulation for TOPEI */ | |
1747 | ret = env->aia_ireg_rmw_fn[priv](env->aia_ireg_rmw_fn_arg[priv], | |
1748 | AIA_MAKE_IREG(ISELECT_IMSIC_TOPEI, priv, virt, vgein, | |
1749 | riscv_cpu_mxl_bits(env)), | |
1750 | val, new_val, wr_mask); | |
1751 | ||
1752 | done: | |
1753 | if (ret) { | |
1754 | return (riscv_cpu_virt_enabled(env) && virt) ? | |
1755 | RISCV_EXCP_VIRT_INSTRUCTION_FAULT : RISCV_EXCP_ILLEGAL_INST; | |
1756 | } | |
1757 | return RISCV_EXCP_NONE; | |
1758 | } | |
1759 | ||
605def6e AF |
1760 | static RISCVException read_mtvec(CPURISCVState *env, int csrno, |
1761 | target_ulong *val) | |
c7b95171 MC |
1762 | { |
1763 | *val = env->mtvec; | |
605def6e | 1764 | return RISCV_EXCP_NONE; |
c7b95171 MC |
1765 | } |
1766 | ||
605def6e AF |
1767 | static RISCVException write_mtvec(CPURISCVState *env, int csrno, |
1768 | target_ulong val) | |
c7b95171 MC |
1769 | { |
1770 | /* bits [1:0] encode mode; 0 = direct, 1 = vectored, 2 >= reserved */ | |
acbbb94e MC |
1771 | if ((val & 3) < 2) { |
1772 | env->mtvec = val; | |
c7b95171 | 1773 | } else { |
acbbb94e | 1774 | qemu_log_mask(LOG_UNIMP, "CSR_MTVEC: reserved mode not supported\n"); |
c7b95171 | 1775 | } |
605def6e | 1776 | return RISCV_EXCP_NONE; |
c7b95171 MC |
1777 | } |
1778 | ||
b1675eeb AP |
1779 | static RISCVException read_mcountinhibit(CPURISCVState *env, int csrno, |
1780 | target_ulong *val) | |
1781 | { | |
b1675eeb AP |
1782 | *val = env->mcountinhibit; |
1783 | return RISCV_EXCP_NONE; | |
1784 | } | |
1785 | ||
1786 | static RISCVException write_mcountinhibit(CPURISCVState *env, int csrno, | |
1787 | target_ulong val) | |
1788 | { | |
3780e337 AP |
1789 | int cidx; |
1790 | PMUCTRState *counter; | |
1791 | ||
b1675eeb | 1792 | env->mcountinhibit = val; |
3780e337 AP |
1793 | |
1794 | /* Check if any other counter is also monitoring cycles/instructions */ | |
1795 | for (cidx = 0; cidx < RV_MAX_MHPMCOUNTERS; cidx++) { | |
1796 | if (!get_field(env->mcountinhibit, BIT(cidx))) { | |
1797 | counter = &env->pmu_ctrs[cidx]; | |
1798 | counter->started = true; | |
1799 | } | |
1800 | } | |
1801 | ||
b1675eeb AP |
1802 | return RISCV_EXCP_NONE; |
1803 | } | |
1804 | ||
605def6e AF |
1805 | static RISCVException read_mcounteren(CPURISCVState *env, int csrno, |
1806 | target_ulong *val) | |
c7b95171 | 1807 | { |
c7b95171 | 1808 | *val = env->mcounteren; |
605def6e | 1809 | return RISCV_EXCP_NONE; |
c7b95171 MC |
1810 | } |
1811 | ||
605def6e AF |
1812 | static RISCVException write_mcounteren(CPURISCVState *env, int csrno, |
1813 | target_ulong val) | |
c7b95171 | 1814 | { |
c7b95171 | 1815 | env->mcounteren = val; |
605def6e | 1816 | return RISCV_EXCP_NONE; |
c7b95171 MC |
1817 | } |
1818 | ||
c7b95171 | 1819 | /* Machine Trap Handling */ |
457c360f FP |
1820 | static RISCVException read_mscratch_i128(CPURISCVState *env, int csrno, |
1821 | Int128 *val) | |
1822 | { | |
1823 | *val = int128_make128(env->mscratch, env->mscratchh); | |
1824 | return RISCV_EXCP_NONE; | |
1825 | } | |
1826 | ||
1827 | static RISCVException write_mscratch_i128(CPURISCVState *env, int csrno, | |
1828 | Int128 val) | |
1829 | { | |
1830 | env->mscratch = int128_getlo(val); | |
1831 | env->mscratchh = int128_gethi(val); | |
1832 | return RISCV_EXCP_NONE; | |
1833 | } | |
1834 | ||
605def6e AF |
1835 | static RISCVException read_mscratch(CPURISCVState *env, int csrno, |
1836 | target_ulong *val) | |
c7b95171 MC |
1837 | { |
1838 | *val = env->mscratch; | |
605def6e | 1839 | return RISCV_EXCP_NONE; |
c7b95171 MC |
1840 | } |
1841 | ||
605def6e AF |
1842 | static RISCVException write_mscratch(CPURISCVState *env, int csrno, |
1843 | target_ulong val) | |
c7b95171 MC |
1844 | { |
1845 | env->mscratch = val; | |
605def6e | 1846 | return RISCV_EXCP_NONE; |
c7b95171 MC |
1847 | } |
1848 | ||
605def6e | 1849 | static RISCVException read_mepc(CPURISCVState *env, int csrno, |
8c7feddd | 1850 | target_ulong *val) |
c7b95171 MC |
1851 | { |
1852 | *val = env->mepc; | |
605def6e | 1853 | return RISCV_EXCP_NONE; |
c7b95171 MC |
1854 | } |
1855 | ||
605def6e | 1856 | static RISCVException write_mepc(CPURISCVState *env, int csrno, |
8c7feddd | 1857 | target_ulong val) |
c7b95171 MC |
1858 | { |
1859 | env->mepc = val; | |
605def6e | 1860 | return RISCV_EXCP_NONE; |
c7b95171 MC |
1861 | } |
1862 | ||
605def6e | 1863 | static RISCVException read_mcause(CPURISCVState *env, int csrno, |
8c7feddd | 1864 | target_ulong *val) |
c7b95171 MC |
1865 | { |
1866 | *val = env->mcause; | |
605def6e | 1867 | return RISCV_EXCP_NONE; |
c7b95171 MC |
1868 | } |
1869 | ||
605def6e | 1870 | static RISCVException write_mcause(CPURISCVState *env, int csrno, |
8c7feddd | 1871 | target_ulong val) |
c7b95171 MC |
1872 | { |
1873 | env->mcause = val; | |
605def6e | 1874 | return RISCV_EXCP_NONE; |
c7b95171 MC |
1875 | } |
1876 | ||
605def6e AF |
1877 | static RISCVException read_mtval(CPURISCVState *env, int csrno, |
1878 | target_ulong *val) | |
c7b95171 | 1879 | { |
ac12b601 | 1880 | *val = env->mtval; |
605def6e | 1881 | return RISCV_EXCP_NONE; |
c7b95171 MC |
1882 | } |
1883 | ||
605def6e AF |
1884 | static RISCVException write_mtval(CPURISCVState *env, int csrno, |
1885 | target_ulong val) | |
c7b95171 | 1886 | { |
ac12b601 | 1887 | env->mtval = val; |
605def6e | 1888 | return RISCV_EXCP_NONE; |
c7b95171 MC |
1889 | } |
1890 | ||
29a9ec9b AP |
1891 | /* Execution environment configuration setup */ |
1892 | static RISCVException read_menvcfg(CPURISCVState *env, int csrno, | |
8c7feddd | 1893 | target_ulong *val) |
29a9ec9b AP |
1894 | { |
1895 | *val = env->menvcfg; | |
1896 | return RISCV_EXCP_NONE; | |
1897 | } | |
1898 | ||
1899 | static RISCVException write_menvcfg(CPURISCVState *env, int csrno, | |
8c7feddd | 1900 | target_ulong val) |
29a9ec9b | 1901 | { |
73ec0ead | 1902 | RISCVCPUConfig *cfg = &env_archcpu(env)->cfg; |
29a9ec9b AP |
1903 | uint64_t mask = MENVCFG_FIOM | MENVCFG_CBIE | MENVCFG_CBCFE | MENVCFG_CBZE; |
1904 | ||
1905 | if (riscv_cpu_mxl(env) == MXL_RV64) { | |
73ec0ead | 1906 | mask |= (cfg->ext_svpbmt ? MENVCFG_PBMTE : 0) | |
0d190bd3 WL |
1907 | (cfg->ext_sstc ? MENVCFG_STCE : 0) | |
1908 | (cfg->ext_svadu ? MENVCFG_HADE : 0); | |
29a9ec9b AP |
1909 | } |
1910 | env->menvcfg = (env->menvcfg & ~mask) | (val & mask); | |
1911 | ||
1912 | return RISCV_EXCP_NONE; | |
1913 | } | |
1914 | ||
1915 | static RISCVException read_menvcfgh(CPURISCVState *env, int csrno, | |
8c7feddd | 1916 | target_ulong *val) |
29a9ec9b AP |
1917 | { |
1918 | *val = env->menvcfg >> 32; | |
1919 | return RISCV_EXCP_NONE; | |
1920 | } | |
1921 | ||
1922 | static RISCVException write_menvcfgh(CPURISCVState *env, int csrno, | |
8c7feddd | 1923 | target_ulong val) |
29a9ec9b | 1924 | { |
73ec0ead WL |
1925 | RISCVCPUConfig *cfg = &env_archcpu(env)->cfg; |
1926 | uint64_t mask = (cfg->ext_svpbmt ? MENVCFG_PBMTE : 0) | | |
0d190bd3 WL |
1927 | (cfg->ext_sstc ? MENVCFG_STCE : 0) | |
1928 | (cfg->ext_svadu ? MENVCFG_HADE : 0); | |
29a9ec9b AP |
1929 | uint64_t valh = (uint64_t)val << 32; |
1930 | ||
1931 | env->menvcfg = (env->menvcfg & ~mask) | (valh & mask); | |
1932 | ||
fb5bd4dc BM |
1933 | return RISCV_EXCP_NONE; |
1934 | } | |
1935 | ||
29a9ec9b | 1936 | static RISCVException read_senvcfg(CPURISCVState *env, int csrno, |
8c7feddd | 1937 | target_ulong *val) |
29a9ec9b | 1938 | { |
252b06f6 MC |
1939 | RISCVException ret; |
1940 | ||
1941 | ret = smstateen_acc_ok(env, 0, SMSTATEEN0_HSENVCFG); | |
1942 | if (ret != RISCV_EXCP_NONE) { | |
1943 | return ret; | |
1944 | } | |
1945 | ||
29a9ec9b AP |
1946 | *val = env->senvcfg; |
1947 | return RISCV_EXCP_NONE; | |
1948 | } | |
1949 | ||
1950 | static RISCVException write_senvcfg(CPURISCVState *env, int csrno, | |
8c7feddd | 1951 | target_ulong val) |
29a9ec9b AP |
1952 | { |
1953 | uint64_t mask = SENVCFG_FIOM | SENVCFG_CBIE | SENVCFG_CBCFE | SENVCFG_CBZE; | |
252b06f6 | 1954 | RISCVException ret; |
29a9ec9b | 1955 | |
252b06f6 MC |
1956 | ret = smstateen_acc_ok(env, 0, SMSTATEEN0_HSENVCFG); |
1957 | if (ret != RISCV_EXCP_NONE) { | |
1958 | return ret; | |
1959 | } | |
29a9ec9b | 1960 | |
252b06f6 | 1961 | env->senvcfg = (env->senvcfg & ~mask) | (val & mask); |
29a9ec9b AP |
1962 | return RISCV_EXCP_NONE; |
1963 | } | |
1964 | ||
1965 | static RISCVException read_henvcfg(CPURISCVState *env, int csrno, | |
8c7feddd | 1966 | target_ulong *val) |
29a9ec9b | 1967 | { |
252b06f6 MC |
1968 | RISCVException ret; |
1969 | ||
1970 | ret = smstateen_acc_ok(env, 0, SMSTATEEN0_HSENVCFG); | |
1971 | if (ret != RISCV_EXCP_NONE) { | |
1972 | return ret; | |
1973 | } | |
1974 | ||
6f3eb1a3 WL |
1975 | /* |
1976 | * henvcfg.pbmte is read_only 0 when menvcfg.pbmte = 0 | |
1977 | * henvcfg.stce is read_only 0 when menvcfg.stce = 0 | |
0d190bd3 | 1978 | * henvcfg.hade is read_only 0 when menvcfg.hade = 0 |
6f3eb1a3 | 1979 | */ |
0d190bd3 WL |
1980 | *val = env->henvcfg & (~(HENVCFG_PBMTE | HENVCFG_STCE | HENVCFG_HADE) | |
1981 | env->menvcfg); | |
29a9ec9b AP |
1982 | return RISCV_EXCP_NONE; |
1983 | } | |
1984 | ||
1985 | static RISCVException write_henvcfg(CPURISCVState *env, int csrno, | |
8c7feddd | 1986 | target_ulong val) |
29a9ec9b AP |
1987 | { |
1988 | uint64_t mask = HENVCFG_FIOM | HENVCFG_CBIE | HENVCFG_CBCFE | HENVCFG_CBZE; | |
252b06f6 MC |
1989 | RISCVException ret; |
1990 | ||
1991 | ret = smstateen_acc_ok(env, 0, SMSTATEEN0_HSENVCFG); | |
1992 | if (ret != RISCV_EXCP_NONE) { | |
1993 | return ret; | |
1994 | } | |
29a9ec9b AP |
1995 | |
1996 | if (riscv_cpu_mxl(env) == MXL_RV64) { | |
0d190bd3 | 1997 | mask |= env->menvcfg & (HENVCFG_PBMTE | HENVCFG_STCE | HENVCFG_HADE); |
29a9ec9b AP |
1998 | } |
1999 | ||
2000 | env->henvcfg = (env->henvcfg & ~mask) | (val & mask); | |
2001 | ||
2002 | return RISCV_EXCP_NONE; | |
2003 | } | |
2004 | ||
2005 | static RISCVException read_henvcfgh(CPURISCVState *env, int csrno, | |
8c7feddd | 2006 | target_ulong *val) |
29a9ec9b | 2007 | { |
252b06f6 MC |
2008 | RISCVException ret; |
2009 | ||
2010 | ret = smstateen_acc_ok(env, 0, SMSTATEEN0_HSENVCFG); | |
2011 | if (ret != RISCV_EXCP_NONE) { | |
2012 | return ret; | |
2013 | } | |
2014 | ||
0d190bd3 | 2015 | *val = (env->henvcfg & (~(HENVCFG_PBMTE | HENVCFG_STCE | HENVCFG_HADE) | |
6f3eb1a3 | 2016 | env->menvcfg)) >> 32; |
29a9ec9b AP |
2017 | return RISCV_EXCP_NONE; |
2018 | } | |
2019 | ||
2020 | static RISCVException write_henvcfgh(CPURISCVState *env, int csrno, | |
8c7feddd | 2021 | target_ulong val) |
29a9ec9b | 2022 | { |
0d190bd3 WL |
2023 | uint64_t mask = env->menvcfg & (HENVCFG_PBMTE | HENVCFG_STCE | |
2024 | HENVCFG_HADE); | |
29a9ec9b | 2025 | uint64_t valh = (uint64_t)val << 32; |
252b06f6 | 2026 | RISCVException ret; |
29a9ec9b | 2027 | |
252b06f6 MC |
2028 | ret = smstateen_acc_ok(env, 0, SMSTATEEN0_HSENVCFG); |
2029 | if (ret != RISCV_EXCP_NONE) { | |
2030 | return ret; | |
2031 | } | |
29a9ec9b | 2032 | |
252b06f6 | 2033 | env->henvcfg = (env->henvcfg & ~mask) | (valh & mask); |
29a9ec9b AP |
2034 | return RISCV_EXCP_NONE; |
2035 | } | |
2036 | ||
3bee0e40 MC |
2037 | static RISCVException read_mstateen(CPURISCVState *env, int csrno, |
2038 | target_ulong *val) | |
2039 | { | |
2040 | *val = env->mstateen[csrno - CSR_MSTATEEN0]; | |
2041 | ||
2042 | return RISCV_EXCP_NONE; | |
2043 | } | |
2044 | ||
2045 | static RISCVException write_mstateen(CPURISCVState *env, int csrno, | |
2046 | uint64_t wr_mask, target_ulong new_val) | |
2047 | { | |
2048 | uint64_t *reg; | |
2049 | ||
2050 | reg = &env->mstateen[csrno - CSR_MSTATEEN0]; | |
2051 | *reg = (*reg & ~wr_mask) | (new_val & wr_mask); | |
2052 | ||
2053 | return RISCV_EXCP_NONE; | |
2054 | } | |
2055 | ||
2056 | static RISCVException write_mstateen0(CPURISCVState *env, int csrno, | |
2057 | target_ulong new_val) | |
2058 | { | |
252b06f6 | 2059 | uint64_t wr_mask = SMSTATEEN_STATEEN | SMSTATEEN0_HSENVCFG; |
3bee0e40 MC |
2060 | |
2061 | return write_mstateen(env, csrno, wr_mask, new_val); | |
2062 | } | |
2063 | ||
2064 | static RISCVException write_mstateen_1_3(CPURISCVState *env, int csrno, | |
8c7feddd | 2065 | target_ulong new_val) |
3bee0e40 MC |
2066 | { |
2067 | return write_mstateen(env, csrno, SMSTATEEN_STATEEN, new_val); | |
2068 | } | |
2069 | ||
2070 | static RISCVException read_mstateenh(CPURISCVState *env, int csrno, | |
8c7feddd | 2071 | target_ulong *val) |
3bee0e40 MC |
2072 | { |
2073 | *val = env->mstateen[csrno - CSR_MSTATEEN0H] >> 32; | |
2074 | ||
2075 | return RISCV_EXCP_NONE; | |
2076 | } | |
2077 | ||
2078 | static RISCVException write_mstateenh(CPURISCVState *env, int csrno, | |
2079 | uint64_t wr_mask, target_ulong new_val) | |
2080 | { | |
2081 | uint64_t *reg, val; | |
2082 | ||
2083 | reg = &env->mstateen[csrno - CSR_MSTATEEN0H]; | |
2084 | val = (uint64_t)new_val << 32; | |
2085 | val |= *reg & 0xFFFFFFFF; | |
2086 | *reg = (*reg & ~wr_mask) | (val & wr_mask); | |
2087 | ||
2088 | return RISCV_EXCP_NONE; | |
2089 | } | |
2090 | ||
2091 | static RISCVException write_mstateen0h(CPURISCVState *env, int csrno, | |
8c7feddd | 2092 | target_ulong new_val) |
3bee0e40 | 2093 | { |
252b06f6 | 2094 | uint64_t wr_mask = SMSTATEEN_STATEEN | SMSTATEEN0_HSENVCFG; |
3bee0e40 MC |
2095 | |
2096 | return write_mstateenh(env, csrno, wr_mask, new_val); | |
2097 | } | |
2098 | ||
2099 | static RISCVException write_mstateenh_1_3(CPURISCVState *env, int csrno, | |
8c7feddd | 2100 | target_ulong new_val) |
3bee0e40 MC |
2101 | { |
2102 | return write_mstateenh(env, csrno, SMSTATEEN_STATEEN, new_val); | |
2103 | } | |
2104 | ||
2105 | static RISCVException read_hstateen(CPURISCVState *env, int csrno, | |
2106 | target_ulong *val) | |
2107 | { | |
2108 | int index = csrno - CSR_HSTATEEN0; | |
2109 | ||
2110 | *val = env->hstateen[index] & env->mstateen[index]; | |
2111 | ||
2112 | return RISCV_EXCP_NONE; | |
2113 | } | |
2114 | ||
2115 | static RISCVException write_hstateen(CPURISCVState *env, int csrno, | |
2116 | uint64_t mask, target_ulong new_val) | |
2117 | { | |
2118 | int index = csrno - CSR_HSTATEEN0; | |
2119 | uint64_t *reg, wr_mask; | |
2120 | ||
2121 | reg = &env->hstateen[index]; | |
2122 | wr_mask = env->mstateen[index] & mask; | |
2123 | *reg = (*reg & ~wr_mask) | (new_val & wr_mask); | |
2124 | ||
2125 | return RISCV_EXCP_NONE; | |
2126 | } | |
2127 | ||
2128 | static RISCVException write_hstateen0(CPURISCVState *env, int csrno, | |
2129 | target_ulong new_val) | |
2130 | { | |
252b06f6 | 2131 | uint64_t wr_mask = SMSTATEEN_STATEEN | SMSTATEEN0_HSENVCFG; |
3bee0e40 MC |
2132 | |
2133 | return write_hstateen(env, csrno, wr_mask, new_val); | |
2134 | } | |
2135 | ||
2136 | static RISCVException write_hstateen_1_3(CPURISCVState *env, int csrno, | |
8c7feddd | 2137 | target_ulong new_val) |
3bee0e40 MC |
2138 | { |
2139 | return write_hstateen(env, csrno, SMSTATEEN_STATEEN, new_val); | |
2140 | } | |
2141 | ||
2142 | static RISCVException read_hstateenh(CPURISCVState *env, int csrno, | |
2143 | target_ulong *val) | |
2144 | { | |
2145 | int index = csrno - CSR_HSTATEEN0H; | |
2146 | ||
2147 | *val = (env->hstateen[index] >> 32) & (env->mstateen[index] >> 32); | |
2148 | ||
2149 | return RISCV_EXCP_NONE; | |
2150 | } | |
2151 | ||
2152 | static RISCVException write_hstateenh(CPURISCVState *env, int csrno, | |
2153 | uint64_t mask, target_ulong new_val) | |
2154 | { | |
2155 | int index = csrno - CSR_HSTATEEN0H; | |
2156 | uint64_t *reg, wr_mask, val; | |
2157 | ||
2158 | reg = &env->hstateen[index]; | |
2159 | val = (uint64_t)new_val << 32; | |
2160 | val |= *reg & 0xFFFFFFFF; | |
2161 | wr_mask = env->mstateen[index] & mask; | |
2162 | *reg = (*reg & ~wr_mask) | (val & wr_mask); | |
2163 | ||
2164 | return RISCV_EXCP_NONE; | |
2165 | } | |
2166 | ||
2167 | static RISCVException write_hstateen0h(CPURISCVState *env, int csrno, | |
2168 | target_ulong new_val) | |
2169 | { | |
252b06f6 | 2170 | uint64_t wr_mask = SMSTATEEN_STATEEN | SMSTATEEN0_HSENVCFG; |
3bee0e40 MC |
2171 | |
2172 | return write_hstateenh(env, csrno, wr_mask, new_val); | |
2173 | } | |
2174 | ||
2175 | static RISCVException write_hstateenh_1_3(CPURISCVState *env, int csrno, | |
8c7feddd | 2176 | target_ulong new_val) |
3bee0e40 MC |
2177 | { |
2178 | return write_hstateenh(env, csrno, SMSTATEEN_STATEEN, new_val); | |
2179 | } | |
2180 | ||
2181 | static RISCVException read_sstateen(CPURISCVState *env, int csrno, | |
2182 | target_ulong *val) | |
2183 | { | |
2184 | bool virt = riscv_cpu_virt_enabled(env); | |
2185 | int index = csrno - CSR_SSTATEEN0; | |
2186 | ||
2187 | *val = env->sstateen[index] & env->mstateen[index]; | |
2188 | if (virt) { | |
2189 | *val &= env->hstateen[index]; | |
2190 | } | |
2191 | ||
2192 | return RISCV_EXCP_NONE; | |
2193 | } | |
2194 | ||
2195 | static RISCVException write_sstateen(CPURISCVState *env, int csrno, | |
2196 | uint64_t mask, target_ulong new_val) | |
2197 | { | |
2198 | bool virt = riscv_cpu_virt_enabled(env); | |
2199 | int index = csrno - CSR_SSTATEEN0; | |
2200 | uint64_t wr_mask; | |
2201 | uint64_t *reg; | |
2202 | ||
2203 | wr_mask = env->mstateen[index] & mask; | |
2204 | if (virt) { | |
2205 | wr_mask &= env->hstateen[index]; | |
2206 | } | |
2207 | ||
2208 | reg = &env->sstateen[index]; | |
2209 | *reg = (*reg & ~wr_mask) | (new_val & wr_mask); | |
2210 | ||
2211 | return RISCV_EXCP_NONE; | |
2212 | } | |
2213 | ||
2214 | static RISCVException write_sstateen0(CPURISCVState *env, int csrno, | |
2215 | target_ulong new_val) | |
2216 | { | |
252b06f6 | 2217 | uint64_t wr_mask = SMSTATEEN_STATEEN | SMSTATEEN0_HSENVCFG; |
3bee0e40 MC |
2218 | |
2219 | return write_sstateen(env, csrno, wr_mask, new_val); | |
2220 | } | |
2221 | ||
2222 | static RISCVException write_sstateen_1_3(CPURISCVState *env, int csrno, | |
2223 | target_ulong new_val) | |
2224 | { | |
2225 | return write_sstateen(env, csrno, SMSTATEEN_STATEEN, new_val); | |
2226 | } | |
2227 | ||
d028ac75 AP |
2228 | static RISCVException rmw_mip64(CPURISCVState *env, int csrno, |
2229 | uint64_t *ret_val, | |
2230 | uint64_t new_val, uint64_t wr_mask) | |
c7b95171 | 2231 | { |
3109cd98 | 2232 | RISCVCPU *cpu = env_archcpu(env); |
33fe584f | 2233 | uint64_t old_mip, mask = wr_mask & delegable_ints; |
d028ac75 | 2234 | uint32_t gin; |
71877e29 | 2235 | |
33fe584f AF |
2236 | if (mask & MIP_SEIP) { |
2237 | env->software_seip = new_val & MIP_SEIP; | |
2238 | new_val |= env->external_seip * MIP_SEIP; | |
2239 | } | |
2240 | ||
43888c2f AP |
2241 | if (cpu->cfg.ext_sstc && (env->priv == PRV_M) && |
2242 | get_field(env->menvcfg, MENVCFG_STCE)) { | |
2243 | /* sstc extension forbids STIP & VSTIP to be writeable in mip */ | |
2244 | mask = mask & ~(MIP_STIP | MIP_VSTIP); | |
2245 | } | |
2246 | ||
71877e29 | 2247 | if (mask) { |
d028ac75 | 2248 | old_mip = riscv_cpu_update_mip(cpu, mask, (new_val & mask)); |
71877e29 | 2249 | } else { |
7ec5d303 | 2250 | old_mip = env->mip; |
71877e29 | 2251 | } |
c7b95171 | 2252 | |
cd032fe7 AP |
2253 | if (csrno != CSR_HVIP) { |
2254 | gin = get_field(env->hstatus, HSTATUS_VGEIN); | |
2255 | old_mip |= (env->hgeip & ((target_ulong)1 << gin)) ? MIP_VSEIP : 0; | |
3ec0fe18 | 2256 | old_mip |= env->vstime_irq ? MIP_VSTIP : 0; |
cd032fe7 AP |
2257 | } |
2258 | ||
d028ac75 AP |
2259 | if (ret_val) { |
2260 | *ret_val = old_mip; | |
71877e29 | 2261 | } |
c7b95171 | 2262 | |
605def6e | 2263 | return RISCV_EXCP_NONE; |
c7b95171 MC |
2264 | } |
2265 | ||
d028ac75 AP |
2266 | static RISCVException rmw_mip(CPURISCVState *env, int csrno, |
2267 | target_ulong *ret_val, | |
2268 | target_ulong new_val, target_ulong wr_mask) | |
2269 | { | |
2270 | uint64_t rval; | |
2271 | RISCVException ret; | |
2272 | ||
2273 | ret = rmw_mip64(env, csrno, &rval, new_val, wr_mask); | |
2274 | if (ret_val) { | |
2275 | *ret_val = rval; | |
2276 | } | |
2277 | ||
2278 | return ret; | |
2279 | } | |
2280 | ||
2281 | static RISCVException rmw_miph(CPURISCVState *env, int csrno, | |
2282 | target_ulong *ret_val, | |
2283 | target_ulong new_val, target_ulong wr_mask) | |
2284 | { | |
2285 | uint64_t rval; | |
2286 | RISCVException ret; | |
2287 | ||
2288 | ret = rmw_mip64(env, csrno, &rval, | |
2289 | ((uint64_t)new_val) << 32, ((uint64_t)wr_mask) << 32); | |
2290 | if (ret_val) { | |
2291 | *ret_val = rval >> 32; | |
2292 | } | |
2293 | ||
2294 | return ret; | |
2295 | } | |
2296 | ||
c7b95171 | 2297 | /* Supervisor Trap Setup */ |
457c360f FP |
2298 | static RISCVException read_sstatus_i128(CPURISCVState *env, int csrno, |
2299 | Int128 *val) | |
2300 | { | |
2301 | uint64_t mask = sstatus_v1_10_mask; | |
2302 | uint64_t sstatus = env->mstatus & mask; | |
f297245f | 2303 | if (env->xl != MXL_RV32 || env->debugger) { |
f310df58 LZ |
2304 | mask |= SSTATUS64_UXL; |
2305 | } | |
457c360f FP |
2306 | |
2307 | *val = int128_make128(sstatus, add_status_sd(MXL_RV128, sstatus)); | |
2308 | return RISCV_EXCP_NONE; | |
2309 | } | |
2310 | ||
605def6e AF |
2311 | static RISCVException read_sstatus(CPURISCVState *env, int csrno, |
2312 | target_ulong *val) | |
c7b95171 | 2313 | { |
1a9540d1 | 2314 | target_ulong mask = (sstatus_v1_10_mask); |
f297245f | 2315 | if (env->xl != MXL_RV32 || env->debugger) { |
f310df58 LZ |
2316 | mask |= SSTATUS64_UXL; |
2317 | } | |
b550f894 RH |
2318 | /* TODO: Use SXL not MXL. */ |
2319 | *val = add_status_sd(riscv_cpu_mxl(env), env->mstatus & mask); | |
605def6e | 2320 | return RISCV_EXCP_NONE; |
c7b95171 MC |
2321 | } |
2322 | ||
605def6e AF |
2323 | static RISCVException write_sstatus(CPURISCVState *env, int csrno, |
2324 | target_ulong val) | |
c7b95171 | 2325 | { |
1a9540d1 | 2326 | target_ulong mask = (sstatus_v1_10_mask); |
f310df58 | 2327 | |
f297245f | 2328 | if (env->xl != MXL_RV32 || env->debugger) { |
f310df58 LZ |
2329 | if ((val & SSTATUS64_UXL) != 0) { |
2330 | mask |= SSTATUS64_UXL; | |
2331 | } | |
2332 | } | |
c7b95171 MC |
2333 | target_ulong newval = (env->mstatus & ~mask) | (val & mask); |
2334 | return write_mstatus(env, CSR_MSTATUS, newval); | |
2335 | } | |
2336 | ||
d028ac75 AP |
2337 | static RISCVException rmw_vsie64(CPURISCVState *env, int csrno, |
2338 | uint64_t *ret_val, | |
2339 | uint64_t new_val, uint64_t wr_mask) | |
9d5451e0 | 2340 | { |
d028ac75 | 2341 | RISCVException ret; |
06d85c24 | 2342 | uint64_t rval, mask = env->hideleg & VS_MODE_INTERRUPTS; |
d028ac75 AP |
2343 | |
2344 | /* Bring VS-level bits to correct position */ | |
06d85c24 AB |
2345 | new_val = (new_val & (VS_MODE_INTERRUPTS >> 1)) << 1; |
2346 | wr_mask = (wr_mask & (VS_MODE_INTERRUPTS >> 1)) << 1; | |
d028ac75 AP |
2347 | |
2348 | ret = rmw_mie64(env, csrno, &rval, new_val, wr_mask & mask); | |
2349 | if (ret_val) { | |
06d85c24 | 2350 | *ret_val = (rval & mask) >> 1; |
d028ac75 AP |
2351 | } |
2352 | ||
2353 | return ret; | |
9d5451e0 GK |
2354 | } |
2355 | ||
d028ac75 AP |
2356 | static RISCVException rmw_vsie(CPURISCVState *env, int csrno, |
2357 | target_ulong *ret_val, | |
2358 | target_ulong new_val, target_ulong wr_mask) | |
c7b95171 | 2359 | { |
d028ac75 AP |
2360 | uint64_t rval; |
2361 | RISCVException ret; | |
2362 | ||
2363 | ret = rmw_vsie64(env, csrno, &rval, new_val, wr_mask); | |
2364 | if (ret_val) { | |
2365 | *ret_val = rval; | |
d0e53ce3 | 2366 | } |
d028ac75 AP |
2367 | |
2368 | return ret; | |
c7b95171 MC |
2369 | } |
2370 | ||
d028ac75 AP |
2371 | static RISCVException rmw_vsieh(CPURISCVState *env, int csrno, |
2372 | target_ulong *ret_val, | |
2373 | target_ulong new_val, target_ulong wr_mask) | |
c7b95171 | 2374 | { |
d028ac75 AP |
2375 | uint64_t rval; |
2376 | RISCVException ret; | |
2377 | ||
2378 | ret = rmw_vsie64(env, csrno, &rval, | |
2379 | ((uint64_t)new_val) << 32, ((uint64_t)wr_mask) << 32); | |
2380 | if (ret_val) { | |
2381 | *ret_val = rval >> 32; | |
2382 | } | |
2383 | ||
2384 | return ret; | |
9d5451e0 | 2385 | } |
d0e53ce3 | 2386 | |
d028ac75 AP |
2387 | static RISCVException rmw_sie64(CPURISCVState *env, int csrno, |
2388 | uint64_t *ret_val, | |
2389 | uint64_t new_val, uint64_t wr_mask) | |
9d5451e0 | 2390 | { |
d028ac75 AP |
2391 | RISCVException ret; |
2392 | uint64_t mask = env->mideleg & S_MODE_INTERRUPTS; | |
2393 | ||
d0e53ce3 | 2394 | if (riscv_cpu_virt_enabled(env)) { |
2b602398 AP |
2395 | if (env->hvictl & HVICTL_VTI) { |
2396 | return RISCV_EXCP_VIRT_INSTRUCTION_FAULT; | |
2397 | } | |
d028ac75 | 2398 | ret = rmw_vsie64(env, CSR_VSIE, ret_val, new_val, wr_mask); |
d0e53ce3 | 2399 | } else { |
d028ac75 | 2400 | ret = rmw_mie64(env, csrno, ret_val, new_val, wr_mask & mask); |
d0e53ce3 AF |
2401 | } |
2402 | ||
d028ac75 AP |
2403 | if (ret_val) { |
2404 | *ret_val &= mask; | |
2405 | } | |
2406 | ||
2407 | return ret; | |
2408 | } | |
2409 | ||
2410 | static RISCVException rmw_sie(CPURISCVState *env, int csrno, | |
2411 | target_ulong *ret_val, | |
2412 | target_ulong new_val, target_ulong wr_mask) | |
2413 | { | |
2414 | uint64_t rval; | |
2415 | RISCVException ret; | |
2416 | ||
2417 | ret = rmw_sie64(env, csrno, &rval, new_val, wr_mask); | |
2b602398 | 2418 | if (ret == RISCV_EXCP_NONE && ret_val) { |
d028ac75 AP |
2419 | *ret_val = rval; |
2420 | } | |
2421 | ||
2422 | return ret; | |
2423 | } | |
2424 | ||
2425 | static RISCVException rmw_sieh(CPURISCVState *env, int csrno, | |
2426 | target_ulong *ret_val, | |
2427 | target_ulong new_val, target_ulong wr_mask) | |
2428 | { | |
2429 | uint64_t rval; | |
2430 | RISCVException ret; | |
2431 | ||
2432 | ret = rmw_sie64(env, csrno, &rval, | |
2433 | ((uint64_t)new_val) << 32, ((uint64_t)wr_mask) << 32); | |
2434 | if (ret_val) { | |
2435 | *ret_val = rval >> 32; | |
2436 | } | |
2437 | ||
2438 | return ret; | |
c7b95171 MC |
2439 | } |
2440 | ||
605def6e AF |
2441 | static RISCVException read_stvec(CPURISCVState *env, int csrno, |
2442 | target_ulong *val) | |
c7b95171 MC |
2443 | { |
2444 | *val = env->stvec; | |
605def6e | 2445 | return RISCV_EXCP_NONE; |
c7b95171 MC |
2446 | } |
2447 | ||
605def6e AF |
2448 | static RISCVException write_stvec(CPURISCVState *env, int csrno, |
2449 | target_ulong val) | |
c7b95171 MC |
2450 | { |
2451 | /* bits [1:0] encode mode; 0 = direct, 1 = vectored, 2 >= reserved */ | |
acbbb94e MC |
2452 | if ((val & 3) < 2) { |
2453 | env->stvec = val; | |
c7b95171 | 2454 | } else { |
acbbb94e | 2455 | qemu_log_mask(LOG_UNIMP, "CSR_STVEC: reserved mode not supported\n"); |
c7b95171 | 2456 | } |
605def6e | 2457 | return RISCV_EXCP_NONE; |
c7b95171 MC |
2458 | } |
2459 | ||
605def6e AF |
2460 | static RISCVException read_scounteren(CPURISCVState *env, int csrno, |
2461 | target_ulong *val) | |
c7b95171 | 2462 | { |
c7b95171 | 2463 | *val = env->scounteren; |
605def6e | 2464 | return RISCV_EXCP_NONE; |
c7b95171 MC |
2465 | } |
2466 | ||
605def6e AF |
2467 | static RISCVException write_scounteren(CPURISCVState *env, int csrno, |
2468 | target_ulong val) | |
c7b95171 | 2469 | { |
c7b95171 | 2470 | env->scounteren = val; |
605def6e | 2471 | return RISCV_EXCP_NONE; |
c7b95171 MC |
2472 | } |
2473 | ||
2474 | /* Supervisor Trap Handling */ | |
457c360f FP |
2475 | static RISCVException read_sscratch_i128(CPURISCVState *env, int csrno, |
2476 | Int128 *val) | |
2477 | { | |
2478 | *val = int128_make128(env->sscratch, env->sscratchh); | |
2479 | return RISCV_EXCP_NONE; | |
2480 | } | |
2481 | ||
2482 | static RISCVException write_sscratch_i128(CPURISCVState *env, int csrno, | |
2483 | Int128 val) | |
2484 | { | |
2485 | env->sscratch = int128_getlo(val); | |
2486 | env->sscratchh = int128_gethi(val); | |
2487 | return RISCV_EXCP_NONE; | |
2488 | } | |
2489 | ||
605def6e AF |
2490 | static RISCVException read_sscratch(CPURISCVState *env, int csrno, |
2491 | target_ulong *val) | |
c7b95171 MC |
2492 | { |
2493 | *val = env->sscratch; | |
605def6e | 2494 | return RISCV_EXCP_NONE; |
c7b95171 MC |
2495 | } |
2496 | ||
605def6e AF |
2497 | static RISCVException write_sscratch(CPURISCVState *env, int csrno, |
2498 | target_ulong val) | |
c7b95171 MC |
2499 | { |
2500 | env->sscratch = val; | |
605def6e | 2501 | return RISCV_EXCP_NONE; |
c7b95171 MC |
2502 | } |
2503 | ||
605def6e AF |
2504 | static RISCVException read_sepc(CPURISCVState *env, int csrno, |
2505 | target_ulong *val) | |
c7b95171 MC |
2506 | { |
2507 | *val = env->sepc; | |
605def6e | 2508 | return RISCV_EXCP_NONE; |
c7b95171 MC |
2509 | } |
2510 | ||
605def6e AF |
2511 | static RISCVException write_sepc(CPURISCVState *env, int csrno, |
2512 | target_ulong val) | |
c7b95171 MC |
2513 | { |
2514 | env->sepc = val; | |
605def6e | 2515 | return RISCV_EXCP_NONE; |
c7b95171 MC |
2516 | } |
2517 | ||
605def6e AF |
2518 | static RISCVException read_scause(CPURISCVState *env, int csrno, |
2519 | target_ulong *val) | |
c7b95171 MC |
2520 | { |
2521 | *val = env->scause; | |
605def6e | 2522 | return RISCV_EXCP_NONE; |
c7b95171 MC |
2523 | } |
2524 | ||
605def6e AF |
2525 | static RISCVException write_scause(CPURISCVState *env, int csrno, |
2526 | target_ulong val) | |
c7b95171 MC |
2527 | { |
2528 | env->scause = val; | |
605def6e | 2529 | return RISCV_EXCP_NONE; |
c7b95171 MC |
2530 | } |
2531 | ||
605def6e AF |
2532 | static RISCVException read_stval(CPURISCVState *env, int csrno, |
2533 | target_ulong *val) | |
c7b95171 | 2534 | { |
ac12b601 | 2535 | *val = env->stval; |
605def6e | 2536 | return RISCV_EXCP_NONE; |
c7b95171 MC |
2537 | } |
2538 | ||
605def6e AF |
2539 | static RISCVException write_stval(CPURISCVState *env, int csrno, |
2540 | target_ulong val) | |
c7b95171 | 2541 | { |
ac12b601 | 2542 | env->stval = val; |
605def6e | 2543 | return RISCV_EXCP_NONE; |
c7b95171 MC |
2544 | } |
2545 | ||
d028ac75 AP |
2546 | static RISCVException rmw_vsip64(CPURISCVState *env, int csrno, |
2547 | uint64_t *ret_val, | |
2548 | uint64_t new_val, uint64_t wr_mask) | |
2549 | { | |
2550 | RISCVException ret; | |
06d85c24 | 2551 | uint64_t rval, mask = env->hideleg & VS_MODE_INTERRUPTS; |
d028ac75 AP |
2552 | |
2553 | /* Bring VS-level bits to correct position */ | |
06d85c24 AB |
2554 | new_val = (new_val & (VS_MODE_INTERRUPTS >> 1)) << 1; |
2555 | wr_mask = (wr_mask & (VS_MODE_INTERRUPTS >> 1)) << 1; | |
2556 | ||
2557 | ret = rmw_mip64(env, csrno, &rval, new_val, | |
2558 | wr_mask & mask & vsip_writable_mask); | |
d028ac75 | 2559 | if (ret_val) { |
06d85c24 | 2560 | *ret_val = (rval & mask) >> 1; |
d028ac75 AP |
2561 | } |
2562 | ||
2563 | return ret; | |
2564 | } | |
2565 | ||
605def6e | 2566 | static RISCVException rmw_vsip(CPURISCVState *env, int csrno, |
d028ac75 AP |
2567 | target_ulong *ret_val, |
2568 | target_ulong new_val, target_ulong wr_mask) | |
9d5451e0 | 2569 | { |
d028ac75 AP |
2570 | uint64_t rval; |
2571 | RISCVException ret; | |
33979526 | 2572 | |
d028ac75 AP |
2573 | ret = rmw_vsip64(env, csrno, &rval, new_val, wr_mask); |
2574 | if (ret_val) { | |
2575 | *ret_val = rval; | |
33979526 | 2576 | } |
d028ac75 | 2577 | |
9d5451e0 GK |
2578 | return ret; |
2579 | } | |
2580 | ||
d028ac75 AP |
2581 | static RISCVException rmw_vsiph(CPURISCVState *env, int csrno, |
2582 | target_ulong *ret_val, | |
2583 | target_ulong new_val, target_ulong wr_mask) | |
c7b95171 | 2584 | { |
d028ac75 AP |
2585 | uint64_t rval; |
2586 | RISCVException ret; | |
2587 | ||
2588 | ret = rmw_vsip64(env, csrno, &rval, | |
2589 | ((uint64_t)new_val) << 32, ((uint64_t)wr_mask) << 32); | |
2590 | if (ret_val) { | |
2591 | *ret_val = rval >> 32; | |
2592 | } | |
2593 | ||
2594 | return ret; | |
2595 | } | |
2596 | ||
2597 | static RISCVException rmw_sip64(CPURISCVState *env, int csrno, | |
2598 | uint64_t *ret_val, | |
2599 | uint64_t new_val, uint64_t wr_mask) | |
2600 | { | |
2601 | RISCVException ret; | |
2602 | uint64_t mask = env->mideleg & sip_writable_mask; | |
a2e9f57d AF |
2603 | |
2604 | if (riscv_cpu_virt_enabled(env)) { | |
2b602398 AP |
2605 | if (env->hvictl & HVICTL_VTI) { |
2606 | return RISCV_EXCP_VIRT_INSTRUCTION_FAULT; | |
2607 | } | |
d028ac75 | 2608 | ret = rmw_vsip64(env, CSR_VSIP, ret_val, new_val, wr_mask); |
a2e9f57d | 2609 | } else { |
d028ac75 | 2610 | ret = rmw_mip64(env, csrno, ret_val, new_val, wr_mask & mask); |
a2e9f57d AF |
2611 | } |
2612 | ||
d028ac75 AP |
2613 | if (ret_val) { |
2614 | *ret_val &= env->mideleg & S_MODE_INTERRUPTS; | |
2615 | } | |
2616 | ||
2617 | return ret; | |
2618 | } | |
2619 | ||
2620 | static RISCVException rmw_sip(CPURISCVState *env, int csrno, | |
2621 | target_ulong *ret_val, | |
2622 | target_ulong new_val, target_ulong wr_mask) | |
2623 | { | |
2624 | uint64_t rval; | |
2625 | RISCVException ret; | |
2626 | ||
2627 | ret = rmw_sip64(env, csrno, &rval, new_val, wr_mask); | |
2628 | if (ret_val) { | |
2629 | *ret_val = rval; | |
33979526 | 2630 | } |
d028ac75 AP |
2631 | |
2632 | return ret; | |
2633 | } | |
2634 | ||
2635 | static RISCVException rmw_siph(CPURISCVState *env, int csrno, | |
2636 | target_ulong *ret_val, | |
2637 | target_ulong new_val, target_ulong wr_mask) | |
2638 | { | |
2639 | uint64_t rval; | |
2640 | RISCVException ret; | |
2641 | ||
2642 | ret = rmw_sip64(env, csrno, &rval, | |
2643 | ((uint64_t)new_val) << 32, ((uint64_t)wr_mask) << 32); | |
2644 | if (ret_val) { | |
2645 | *ret_val = rval >> 32; | |
2646 | } | |
2647 | ||
087b051a | 2648 | return ret; |
c7b95171 MC |
2649 | } |
2650 | ||
2651 | /* Supervisor Protection and Translation */ | |
605def6e AF |
2652 | static RISCVException read_satp(CPURISCVState *env, int csrno, |
2653 | target_ulong *val) | |
c7b95171 | 2654 | { |
dcf654a3 | 2655 | if (!riscv_cpu_cfg(env)->mmu) { |
c7b95171 | 2656 | *val = 0; |
605def6e | 2657 | return RISCV_EXCP_NONE; |
1a9540d1 AF |
2658 | } |
2659 | ||
2660 | if (env->priv == PRV_S && get_field(env->mstatus, MSTATUS_TVM)) { | |
605def6e | 2661 | return RISCV_EXCP_ILLEGAL_INST; |
c7b95171 | 2662 | } else { |
1a9540d1 | 2663 | *val = env->satp; |
c7b95171 | 2664 | } |
1a9540d1 | 2665 | |
605def6e | 2666 | return RISCV_EXCP_NONE; |
c7b95171 MC |
2667 | } |
2668 | ||
605def6e AF |
2669 | static RISCVException write_satp(CPURISCVState *env, int csrno, |
2670 | target_ulong val) | |
c7b95171 | 2671 | { |
bf1a6abe AG |
2672 | target_ulong mask; |
2673 | bool vm; | |
419ddf00 | 2674 | |
dcf654a3 | 2675 | if (!riscv_cpu_cfg(env)->mmu) { |
605def6e | 2676 | return RISCV_EXCP_NONE; |
c7b95171 | 2677 | } |
419ddf00 | 2678 | |
db23e5d9 | 2679 | if (riscv_cpu_mxl(env) == MXL_RV32) { |
419ddf00 AF |
2680 | vm = validate_vm(env, get_field(val, SATP32_MODE)); |
2681 | mask = (val ^ env->satp) & (SATP32_MODE | SATP32_ASID | SATP32_PPN); | |
419ddf00 AF |
2682 | } else { |
2683 | vm = validate_vm(env, get_field(val, SATP64_MODE)); | |
2684 | mask = (val ^ env->satp) & (SATP64_MODE | SATP64_ASID | SATP64_PPN); | |
419ddf00 AF |
2685 | } |
2686 | ||
2687 | if (vm && mask) { | |
7f2b5ff1 | 2688 | if (env->priv == PRV_S && get_field(env->mstatus, MSTATUS_TVM)) { |
605def6e | 2689 | return RISCV_EXCP_ILLEGAL_INST; |
7f2b5ff1 | 2690 | } else { |
5242ef88 PD |
2691 | /* |
2692 | * The ISA defines SATP.MODE=Bare as "no translation", but we still | |
2693 | * pass these through QEMU's TLB emulation as it improves | |
2694 | * performance. Flushing the TLB on SATP writes with paging | |
2695 | * enabled avoids leaking those invalid cached mappings. | |
2696 | */ | |
2697 | tlb_flush(env_cpu(env)); | |
7f2b5ff1 MC |
2698 | env->satp = val; |
2699 | } | |
c7b95171 | 2700 | } |
605def6e | 2701 | return RISCV_EXCP_NONE; |
c7b95171 MC |
2702 | } |
2703 | ||
c7de92b4 AP |
2704 | static int read_vstopi(CPURISCVState *env, int csrno, target_ulong *val) |
2705 | { | |
2706 | int irq, ret; | |
2707 | target_ulong topei; | |
2708 | uint64_t vseip, vsgein; | |
2709 | uint32_t iid, iprio, hviid, hviprio, gein; | |
2710 | uint32_t s, scount = 0, siid[VSTOPI_NUM_SRCS], siprio[VSTOPI_NUM_SRCS]; | |
2711 | ||
2712 | gein = get_field(env->hstatus, HSTATUS_VGEIN); | |
2713 | hviid = get_field(env->hvictl, HVICTL_IID); | |
2714 | hviprio = get_field(env->hvictl, HVICTL_IPRIO); | |
2715 | ||
2716 | if (gein) { | |
2717 | vsgein = (env->hgeip & (1ULL << gein)) ? MIP_VSEIP : 0; | |
2718 | vseip = env->mie & (env->mip | vsgein) & MIP_VSEIP; | |
2719 | if (gein <= env->geilen && vseip) { | |
2720 | siid[scount] = IRQ_S_EXT; | |
2721 | siprio[scount] = IPRIO_MMAXIPRIO + 1; | |
2722 | if (env->aia_ireg_rmw_fn[PRV_S]) { | |
2723 | /* | |
2724 | * Call machine specific IMSIC register emulation for | |
2725 | * reading TOPEI. | |
2726 | */ | |
2727 | ret = env->aia_ireg_rmw_fn[PRV_S]( | |
2728 | env->aia_ireg_rmw_fn_arg[PRV_S], | |
2729 | AIA_MAKE_IREG(ISELECT_IMSIC_TOPEI, PRV_S, true, gein, | |
2730 | riscv_cpu_mxl_bits(env)), | |
2731 | &topei, 0, 0); | |
2732 | if (!ret && topei) { | |
2733 | siprio[scount] = topei & IMSIC_TOPEI_IPRIO_MASK; | |
2734 | } | |
2735 | } | |
2736 | scount++; | |
2737 | } | |
2738 | } else { | |
2739 | if (hviid == IRQ_S_EXT && hviprio) { | |
2740 | siid[scount] = IRQ_S_EXT; | |
2741 | siprio[scount] = hviprio; | |
2742 | scount++; | |
2743 | } | |
2744 | } | |
2745 | ||
2746 | if (env->hvictl & HVICTL_VTI) { | |
2747 | if (hviid != IRQ_S_EXT) { | |
2748 | siid[scount] = hviid; | |
2749 | siprio[scount] = hviprio; | |
2750 | scount++; | |
2751 | } | |
2752 | } else { | |
2753 | irq = riscv_cpu_vsirq_pending(env); | |
2754 | if (irq != IRQ_S_EXT && 0 < irq && irq <= 63) { | |
2755 | siid[scount] = irq; | |
2756 | siprio[scount] = env->hviprio[irq]; | |
2757 | scount++; | |
2758 | } | |
2759 | } | |
2760 | ||
2761 | iid = 0; | |
2762 | iprio = UINT_MAX; | |
2763 | for (s = 0; s < scount; s++) { | |
2764 | if (siprio[s] < iprio) { | |
2765 | iid = siid[s]; | |
2766 | iprio = siprio[s]; | |
2767 | } | |
2768 | } | |
2769 | ||
2770 | if (iid) { | |
2771 | if (env->hvictl & HVICTL_IPRIOM) { | |
2772 | if (iprio > IPRIO_MMAXIPRIO) { | |
2773 | iprio = IPRIO_MMAXIPRIO; | |
2774 | } | |
2775 | if (!iprio) { | |
2776 | if (riscv_cpu_default_priority(iid) > IPRIO_DEFAULT_S) { | |
2777 | iprio = IPRIO_MMAXIPRIO; | |
2778 | } | |
2779 | } | |
2780 | } else { | |
2781 | iprio = 1; | |
2782 | } | |
2783 | } else { | |
2784 | iprio = 0; | |
2785 | } | |
2786 | ||
2787 | *val = (iid & TOPI_IID_MASK) << TOPI_IID_SHIFT; | |
2788 | *val |= iprio; | |
2789 | return RISCV_EXCP_NONE; | |
2790 | } | |
2791 | ||
2792 | static int read_stopi(CPURISCVState *env, int csrno, target_ulong *val) | |
2793 | { | |
2794 | int irq; | |
2795 | uint8_t iprio; | |
2796 | ||
2797 | if (riscv_cpu_virt_enabled(env)) { | |
2798 | return read_vstopi(env, CSR_VSTOPI, val); | |
2799 | } | |
2800 | ||
2801 | irq = riscv_cpu_sirq_pending(env); | |
2802 | if (irq <= 0 || irq > 63) { | |
2803 | *val = 0; | |
2804 | } else { | |
2805 | iprio = env->siprio[irq]; | |
2806 | if (!iprio) { | |
2807 | if (riscv_cpu_default_priority(irq) > IPRIO_DEFAULT_S) { | |
2808 | iprio = IPRIO_MMAXIPRIO; | |
2809 | } | |
2810 | } | |
2811 | *val = (irq & TOPI_IID_MASK) << TOPI_IID_SHIFT; | |
2812 | *val |= iprio; | |
2813 | } | |
2814 | ||
2815 | return RISCV_EXCP_NONE; | |
2816 | } | |
2817 | ||
ff2cc129 | 2818 | /* Hypervisor Extensions */ |
605def6e AF |
2819 | static RISCVException read_hstatus(CPURISCVState *env, int csrno, |
2820 | target_ulong *val) | |
ff2cc129 AF |
2821 | { |
2822 | *val = env->hstatus; | |
db23e5d9 | 2823 | if (riscv_cpu_mxl(env) != MXL_RV32) { |
8987cdc4 AF |
2824 | /* We only support 64-bit VSXL */ |
2825 | *val = set_field(*val, HSTATUS_VSXL, 2); | |
2826 | } | |
30f663b1 AF |
2827 | /* We only support little endian */ |
2828 | *val = set_field(*val, HSTATUS_VSBE, 0); | |
605def6e | 2829 | return RISCV_EXCP_NONE; |
ff2cc129 AF |
2830 | } |
2831 | ||
605def6e AF |
2832 | static RISCVException write_hstatus(CPURISCVState *env, int csrno, |
2833 | target_ulong val) | |
ff2cc129 AF |
2834 | { |
2835 | env->hstatus = val; | |
db23e5d9 | 2836 | if (riscv_cpu_mxl(env) != MXL_RV32 && get_field(val, HSTATUS_VSXL) != 2) { |
f8dc878e AF |
2837 | qemu_log_mask(LOG_UNIMP, "QEMU does not support mixed HSXLEN options."); |
2838 | } | |
30f663b1 AF |
2839 | if (get_field(val, HSTATUS_VSBE) != 0) { |
2840 | qemu_log_mask(LOG_UNIMP, "QEMU does not support big endian guests."); | |
2841 | } | |
605def6e | 2842 | return RISCV_EXCP_NONE; |
ff2cc129 AF |
2843 | } |
2844 | ||
605def6e AF |
2845 | static RISCVException read_hedeleg(CPURISCVState *env, int csrno, |
2846 | target_ulong *val) | |
ff2cc129 AF |
2847 | { |
2848 | *val = env->hedeleg; | |
605def6e | 2849 | return RISCV_EXCP_NONE; |
ff2cc129 AF |
2850 | } |
2851 | ||
605def6e AF |
2852 | static RISCVException write_hedeleg(CPURISCVState *env, int csrno, |
2853 | target_ulong val) | |
ff2cc129 | 2854 | { |
bc083a51 | 2855 | env->hedeleg = val & vs_delegable_excps; |
605def6e | 2856 | return RISCV_EXCP_NONE; |
ff2cc129 AF |
2857 | } |
2858 | ||
d028ac75 AP |
2859 | static RISCVException rmw_hideleg64(CPURISCVState *env, int csrno, |
2860 | uint64_t *ret_val, | |
2861 | uint64_t new_val, uint64_t wr_mask) | |
ff2cc129 | 2862 | { |
d028ac75 AP |
2863 | uint64_t mask = wr_mask & vs_delegable_ints; |
2864 | ||
2865 | if (ret_val) { | |
2866 | *ret_val = env->hideleg & vs_delegable_ints; | |
2867 | } | |
2868 | ||
2869 | env->hideleg = (env->hideleg & ~mask) | (new_val & mask); | |
605def6e | 2870 | return RISCV_EXCP_NONE; |
ff2cc129 AF |
2871 | } |
2872 | ||
d028ac75 AP |
2873 | static RISCVException rmw_hideleg(CPURISCVState *env, int csrno, |
2874 | target_ulong *ret_val, | |
2875 | target_ulong new_val, target_ulong wr_mask) | |
ff2cc129 | 2876 | { |
d028ac75 AP |
2877 | uint64_t rval; |
2878 | RISCVException ret; | |
2879 | ||
2880 | ret = rmw_hideleg64(env, csrno, &rval, new_val, wr_mask); | |
2881 | if (ret_val) { | |
2882 | *ret_val = rval; | |
2883 | } | |
2884 | ||
2885 | return ret; | |
2886 | } | |
2887 | ||
2888 | static RISCVException rmw_hidelegh(CPURISCVState *env, int csrno, | |
2889 | target_ulong *ret_val, | |
2890 | target_ulong new_val, target_ulong wr_mask) | |
2891 | { | |
2892 | uint64_t rval; | |
2893 | RISCVException ret; | |
2894 | ||
2895 | ret = rmw_hideleg64(env, csrno, &rval, | |
2896 | ((uint64_t)new_val) << 32, ((uint64_t)wr_mask) << 32); | |
2897 | if (ret_val) { | |
2898 | *ret_val = rval >> 32; | |
2899 | } | |
2900 | ||
2901 | return ret; | |
2902 | } | |
2903 | ||
2904 | static RISCVException rmw_hvip64(CPURISCVState *env, int csrno, | |
2905 | uint64_t *ret_val, | |
2906 | uint64_t new_val, uint64_t wr_mask) | |
2907 | { | |
2908 | RISCVException ret; | |
2909 | ||
2910 | ret = rmw_mip64(env, csrno, ret_val, new_val, | |
2911 | wr_mask & hvip_writable_mask); | |
2912 | if (ret_val) { | |
2913 | *ret_val &= VS_MODE_INTERRUPTS; | |
2914 | } | |
2915 | ||
2916 | return ret; | |
ff2cc129 AF |
2917 | } |
2918 | ||
605def6e | 2919 | static RISCVException rmw_hvip(CPURISCVState *env, int csrno, |
d028ac75 AP |
2920 | target_ulong *ret_val, |
2921 | target_ulong new_val, target_ulong wr_mask) | |
83028098 | 2922 | { |
d028ac75 AP |
2923 | uint64_t rval; |
2924 | RISCVException ret; | |
83028098 | 2925 | |
d028ac75 AP |
2926 | ret = rmw_hvip64(env, csrno, &rval, new_val, wr_mask); |
2927 | if (ret_val) { | |
2928 | *ret_val = rval; | |
2929 | } | |
2930 | ||
2931 | return ret; | |
2932 | } | |
2933 | ||
2934 | static RISCVException rmw_hviph(CPURISCVState *env, int csrno, | |
2935 | target_ulong *ret_val, | |
2936 | target_ulong new_val, target_ulong wr_mask) | |
2937 | { | |
2938 | uint64_t rval; | |
2939 | RISCVException ret; | |
2940 | ||
2941 | ret = rmw_hvip64(env, csrno, &rval, | |
2942 | ((uint64_t)new_val) << 32, ((uint64_t)wr_mask) << 32); | |
2943 | if (ret_val) { | |
2944 | *ret_val = rval >> 32; | |
33979526 | 2945 | } |
d028ac75 | 2946 | |
83028098 AF |
2947 | return ret; |
2948 | } | |
2949 | ||
605def6e AF |
2950 | static RISCVException rmw_hip(CPURISCVState *env, int csrno, |
2951 | target_ulong *ret_value, | |
2952 | target_ulong new_value, target_ulong write_mask) | |
ff2cc129 | 2953 | { |
cd032fe7 | 2954 | int ret = rmw_mip(env, csrno, ret_value, new_value, |
ff2cc129 AF |
2955 | write_mask & hip_writable_mask); |
2956 | ||
33979526 | 2957 | if (ret_value) { |
881df35d | 2958 | *ret_value &= HS_MODE_INTERRUPTS; |
33979526 | 2959 | } |
ff2cc129 AF |
2960 | return ret; |
2961 | } | |
2962 | ||
d028ac75 AP |
2963 | static RISCVException rmw_hie(CPURISCVState *env, int csrno, |
2964 | target_ulong *ret_val, | |
2965 | target_ulong new_val, target_ulong wr_mask) | |
ff2cc129 | 2966 | { |
d028ac75 AP |
2967 | uint64_t rval; |
2968 | RISCVException ret; | |
ff2cc129 | 2969 | |
d028ac75 AP |
2970 | ret = rmw_mie64(env, csrno, &rval, new_val, wr_mask & HS_MODE_INTERRUPTS); |
2971 | if (ret_val) { | |
2972 | *ret_val = rval & HS_MODE_INTERRUPTS; | |
2973 | } | |
2974 | ||
2975 | return ret; | |
ff2cc129 AF |
2976 | } |
2977 | ||
605def6e AF |
2978 | static RISCVException read_hcounteren(CPURISCVState *env, int csrno, |
2979 | target_ulong *val) | |
ff2cc129 AF |
2980 | { |
2981 | *val = env->hcounteren; | |
605def6e | 2982 | return RISCV_EXCP_NONE; |
ff2cc129 AF |
2983 | } |
2984 | ||
605def6e AF |
2985 | static RISCVException write_hcounteren(CPURISCVState *env, int csrno, |
2986 | target_ulong val) | |
ff2cc129 AF |
2987 | { |
2988 | env->hcounteren = val; | |
605def6e | 2989 | return RISCV_EXCP_NONE; |
ff2cc129 AF |
2990 | } |
2991 | ||
cd032fe7 AP |
2992 | static RISCVException read_hgeie(CPURISCVState *env, int csrno, |
2993 | target_ulong *val) | |
83028098 | 2994 | { |
377cbb4b | 2995 | if (val) { |
cd032fe7 | 2996 | *val = env->hgeie; |
377cbb4b | 2997 | } |
605def6e | 2998 | return RISCV_EXCP_NONE; |
83028098 AF |
2999 | } |
3000 | ||
cd032fe7 AP |
3001 | static RISCVException write_hgeie(CPURISCVState *env, int csrno, |
3002 | target_ulong val) | |
3003 | { | |
3004 | /* Only GEILEN:1 bits implemented and BIT0 is never implemented */ | |
3005 | val &= ((((target_ulong)1) << env->geilen) - 1) << 1; | |
3006 | env->hgeie = val; | |
3007 | /* Update mip.SGEIP bit */ | |
3008 | riscv_cpu_update_mip(env_archcpu(env), MIP_SGEIP, | |
3009 | BOOL_TO_MASK(!!(env->hgeie & env->hgeip))); | |
3010 | return RISCV_EXCP_NONE; | |
3011 | } | |
3012 | ||
605def6e AF |
3013 | static RISCVException read_htval(CPURISCVState *env, int csrno, |
3014 | target_ulong *val) | |
ff2cc129 AF |
3015 | { |
3016 | *val = env->htval; | |
605def6e | 3017 | return RISCV_EXCP_NONE; |
ff2cc129 AF |
3018 | } |
3019 | ||
605def6e AF |
3020 | static RISCVException write_htval(CPURISCVState *env, int csrno, |
3021 | target_ulong val) | |
ff2cc129 AF |
3022 | { |
3023 | env->htval = val; | |
605def6e | 3024 | return RISCV_EXCP_NONE; |
ff2cc129 AF |
3025 | } |
3026 | ||
605def6e AF |
3027 | static RISCVException read_htinst(CPURISCVState *env, int csrno, |
3028 | target_ulong *val) | |
ff2cc129 AF |
3029 | { |
3030 | *val = env->htinst; | |
605def6e | 3031 | return RISCV_EXCP_NONE; |
ff2cc129 AF |
3032 | } |
3033 | ||
605def6e AF |
3034 | static RISCVException write_htinst(CPURISCVState *env, int csrno, |
3035 | target_ulong val) | |
ff2cc129 | 3036 | { |
605def6e | 3037 | return RISCV_EXCP_NONE; |
ff2cc129 AF |
3038 | } |
3039 | ||
cd032fe7 AP |
3040 | static RISCVException read_hgeip(CPURISCVState *env, int csrno, |
3041 | target_ulong *val) | |
83028098 | 3042 | { |
377cbb4b | 3043 | if (val) { |
cd032fe7 | 3044 | *val = env->hgeip; |
377cbb4b | 3045 | } |
605def6e | 3046 | return RISCV_EXCP_NONE; |
83028098 AF |
3047 | } |
3048 | ||
605def6e AF |
3049 | static RISCVException read_hgatp(CPURISCVState *env, int csrno, |
3050 | target_ulong *val) | |
ff2cc129 AF |
3051 | { |
3052 | *val = env->hgatp; | |
605def6e | 3053 | return RISCV_EXCP_NONE; |
ff2cc129 AF |
3054 | } |
3055 | ||
605def6e AF |
3056 | static RISCVException write_hgatp(CPURISCVState *env, int csrno, |
3057 | target_ulong val) | |
ff2cc129 AF |
3058 | { |
3059 | env->hgatp = val; | |
605def6e | 3060 | return RISCV_EXCP_NONE; |
ff2cc129 AF |
3061 | } |
3062 | ||
605def6e AF |
3063 | static RISCVException read_htimedelta(CPURISCVState *env, int csrno, |
3064 | target_ulong *val) | |
c6957248 AP |
3065 | { |
3066 | if (!env->rdtime_fn) { | |
605def6e | 3067 | return RISCV_EXCP_ILLEGAL_INST; |
c6957248 AP |
3068 | } |
3069 | ||
c6957248 | 3070 | *val = env->htimedelta; |
605def6e | 3071 | return RISCV_EXCP_NONE; |
c6957248 AP |
3072 | } |
3073 | ||
605def6e AF |
3074 | static RISCVException write_htimedelta(CPURISCVState *env, int csrno, |
3075 | target_ulong val) | |
c6957248 | 3076 | { |
2cfb3b6c AP |
3077 | RISCVCPU *cpu = env_archcpu(env); |
3078 | ||
c6957248 | 3079 | if (!env->rdtime_fn) { |
605def6e | 3080 | return RISCV_EXCP_ILLEGAL_INST; |
c6957248 AP |
3081 | } |
3082 | ||
db23e5d9 | 3083 | if (riscv_cpu_mxl(env) == MXL_RV32) { |
8987cdc4 AF |
3084 | env->htimedelta = deposit64(env->htimedelta, 0, 32, (uint64_t)val); |
3085 | } else { | |
3086 | env->htimedelta = val; | |
3087 | } | |
2cfb3b6c AP |
3088 | |
3089 | if (cpu->cfg.ext_sstc && env->rdtime_fn) { | |
3090 | riscv_timer_write_timecmp(cpu, env->vstimer, env->vstimecmp, | |
3091 | env->htimedelta, MIP_VSTIP); | |
3092 | } | |
3093 | ||
605def6e | 3094 | return RISCV_EXCP_NONE; |
c6957248 AP |
3095 | } |
3096 | ||
605def6e AF |
3097 | static RISCVException read_htimedeltah(CPURISCVState *env, int csrno, |
3098 | target_ulong *val) | |
c6957248 AP |
3099 | { |
3100 | if (!env->rdtime_fn) { | |
605def6e | 3101 | return RISCV_EXCP_ILLEGAL_INST; |
c6957248 AP |
3102 | } |
3103 | ||
3104 | *val = env->htimedelta >> 32; | |
605def6e | 3105 | return RISCV_EXCP_NONE; |
c6957248 AP |
3106 | } |
3107 | ||
605def6e AF |
3108 | static RISCVException write_htimedeltah(CPURISCVState *env, int csrno, |
3109 | target_ulong val) | |
c6957248 | 3110 | { |
2cfb3b6c AP |
3111 | RISCVCPU *cpu = env_archcpu(env); |
3112 | ||
c6957248 | 3113 | if (!env->rdtime_fn) { |
605def6e | 3114 | return RISCV_EXCP_ILLEGAL_INST; |
c6957248 AP |
3115 | } |
3116 | ||
3117 | env->htimedelta = deposit64(env->htimedelta, 32, 32, (uint64_t)val); | |
2cfb3b6c AP |
3118 | |
3119 | if (cpu->cfg.ext_sstc && env->rdtime_fn) { | |
3120 | riscv_timer_write_timecmp(cpu, env->vstimer, env->vstimecmp, | |
3121 | env->htimedelta, MIP_VSTIP); | |
3122 | } | |
3123 | ||
605def6e | 3124 | return RISCV_EXCP_NONE; |
c6957248 | 3125 | } |
c6957248 | 3126 | |
2b602398 AP |
3127 | static int read_hvictl(CPURISCVState *env, int csrno, target_ulong *val) |
3128 | { | |
3129 | *val = env->hvictl; | |
3130 | return RISCV_EXCP_NONE; | |
3131 | } | |
3132 | ||
3133 | static int write_hvictl(CPURISCVState *env, int csrno, target_ulong val) | |
3134 | { | |
3135 | env->hvictl = val & HVICTL_VALID_MASK; | |
3136 | return RISCV_EXCP_NONE; | |
3137 | } | |
3138 | ||
3139 | static int read_hvipriox(CPURISCVState *env, int first_index, | |
3140 | uint8_t *iprio, target_ulong *val) | |
3141 | { | |
3142 | int i, irq, rdzero, num_irqs = 4 * (riscv_cpu_mxl_bits(env) / 32); | |
3143 | ||
3144 | /* First index has to be a multiple of number of irqs per register */ | |
3145 | if (first_index % num_irqs) { | |
3146 | return (riscv_cpu_virt_enabled(env)) ? | |
3147 | RISCV_EXCP_VIRT_INSTRUCTION_FAULT : RISCV_EXCP_ILLEGAL_INST; | |
3148 | } | |
3149 | ||
3150 | /* Fill-up return value */ | |
3151 | *val = 0; | |
3152 | for (i = 0; i < num_irqs; i++) { | |
3153 | if (riscv_cpu_hviprio_index2irq(first_index + i, &irq, &rdzero)) { | |
3154 | continue; | |
3155 | } | |
3156 | if (rdzero) { | |
3157 | continue; | |
3158 | } | |
3159 | *val |= ((target_ulong)iprio[irq]) << (i * 8); | |
3160 | } | |
3161 | ||
3162 | return RISCV_EXCP_NONE; | |
3163 | } | |
3164 | ||
3165 | static int write_hvipriox(CPURISCVState *env, int first_index, | |
3166 | uint8_t *iprio, target_ulong val) | |
3167 | { | |
3168 | int i, irq, rdzero, num_irqs = 4 * (riscv_cpu_mxl_bits(env) / 32); | |
3169 | ||
3170 | /* First index has to be a multiple of number of irqs per register */ | |
3171 | if (first_index % num_irqs) { | |
3172 | return (riscv_cpu_virt_enabled(env)) ? | |
3173 | RISCV_EXCP_VIRT_INSTRUCTION_FAULT : RISCV_EXCP_ILLEGAL_INST; | |
3174 | } | |
3175 | ||
3176 | /* Fill-up priority arrary */ | |
3177 | for (i = 0; i < num_irqs; i++) { | |
3178 | if (riscv_cpu_hviprio_index2irq(first_index + i, &irq, &rdzero)) { | |
3179 | continue; | |
3180 | } | |
3181 | if (rdzero) { | |
3182 | iprio[irq] = 0; | |
3183 | } else { | |
3184 | iprio[irq] = (val >> (i * 8)) & 0xff; | |
3185 | } | |
3186 | } | |
3187 | ||
3188 | return RISCV_EXCP_NONE; | |
3189 | } | |
3190 | ||
3191 | static int read_hviprio1(CPURISCVState *env, int csrno, target_ulong *val) | |
3192 | { | |
3193 | return read_hvipriox(env, 0, env->hviprio, val); | |
3194 | } | |
3195 | ||
3196 | static int write_hviprio1(CPURISCVState *env, int csrno, target_ulong val) | |
3197 | { | |
3198 | return write_hvipriox(env, 0, env->hviprio, val); | |
3199 | } | |
3200 | ||
3201 | static int read_hviprio1h(CPURISCVState *env, int csrno, target_ulong *val) | |
3202 | { | |
3203 | return read_hvipriox(env, 4, env->hviprio, val); | |
3204 | } | |
3205 | ||
3206 | static int write_hviprio1h(CPURISCVState *env, int csrno, target_ulong val) | |
3207 | { | |
3208 | return write_hvipriox(env, 4, env->hviprio, val); | |
3209 | } | |
3210 | ||
3211 | static int read_hviprio2(CPURISCVState *env, int csrno, target_ulong *val) | |
3212 | { | |
3213 | return read_hvipriox(env, 8, env->hviprio, val); | |
3214 | } | |
3215 | ||
3216 | static int write_hviprio2(CPURISCVState *env, int csrno, target_ulong val) | |
3217 | { | |
3218 | return write_hvipriox(env, 8, env->hviprio, val); | |
3219 | } | |
3220 | ||
3221 | static int read_hviprio2h(CPURISCVState *env, int csrno, target_ulong *val) | |
3222 | { | |
3223 | return read_hvipriox(env, 12, env->hviprio, val); | |
3224 | } | |
3225 | ||
3226 | static int write_hviprio2h(CPURISCVState *env, int csrno, target_ulong val) | |
3227 | { | |
3228 | return write_hvipriox(env, 12, env->hviprio, val); | |
3229 | } | |
3230 | ||
8747c9ee | 3231 | /* Virtual CSR Registers */ |
605def6e AF |
3232 | static RISCVException read_vsstatus(CPURISCVState *env, int csrno, |
3233 | target_ulong *val) | |
8747c9ee AF |
3234 | { |
3235 | *val = env->vsstatus; | |
605def6e | 3236 | return RISCV_EXCP_NONE; |
8747c9ee AF |
3237 | } |
3238 | ||
605def6e AF |
3239 | static RISCVException write_vsstatus(CPURISCVState *env, int csrno, |
3240 | target_ulong val) | |
8747c9ee | 3241 | { |
284d697c | 3242 | uint64_t mask = (target_ulong)-1; |
f310df58 LZ |
3243 | if ((val & VSSTATUS64_UXL) == 0) { |
3244 | mask &= ~VSSTATUS64_UXL; | |
3245 | } | |
284d697c | 3246 | env->vsstatus = (env->vsstatus & ~mask) | (uint64_t)val; |
605def6e | 3247 | return RISCV_EXCP_NONE; |
8747c9ee AF |
3248 | } |
3249 | ||
8747c9ee AF |
3250 | static int read_vstvec(CPURISCVState *env, int csrno, target_ulong *val) |
3251 | { | |
3252 | *val = env->vstvec; | |
605def6e | 3253 | return RISCV_EXCP_NONE; |
8747c9ee AF |
3254 | } |
3255 | ||
605def6e AF |
3256 | static RISCVException write_vstvec(CPURISCVState *env, int csrno, |
3257 | target_ulong val) | |
8747c9ee AF |
3258 | { |
3259 | env->vstvec = val; | |
605def6e | 3260 | return RISCV_EXCP_NONE; |
8747c9ee AF |
3261 | } |
3262 | ||
605def6e AF |
3263 | static RISCVException read_vsscratch(CPURISCVState *env, int csrno, |
3264 | target_ulong *val) | |
8747c9ee AF |
3265 | { |
3266 | *val = env->vsscratch; | |
605def6e | 3267 | return RISCV_EXCP_NONE; |
8747c9ee AF |
3268 | } |
3269 | ||
605def6e AF |
3270 | static RISCVException write_vsscratch(CPURISCVState *env, int csrno, |
3271 | target_ulong val) | |
8747c9ee AF |
3272 | { |
3273 | env->vsscratch = val; | |
605def6e | 3274 | return RISCV_EXCP_NONE; |
8747c9ee AF |
3275 | } |
3276 | ||
605def6e AF |
3277 | static RISCVException read_vsepc(CPURISCVState *env, int csrno, |
3278 | target_ulong *val) | |
8747c9ee AF |
3279 | { |
3280 | *val = env->vsepc; | |
605def6e | 3281 | return RISCV_EXCP_NONE; |
8747c9ee AF |
3282 | } |
3283 | ||
605def6e AF |
3284 | static RISCVException write_vsepc(CPURISCVState *env, int csrno, |
3285 | target_ulong val) | |
8747c9ee AF |
3286 | { |
3287 | env->vsepc = val; | |
605def6e | 3288 | return RISCV_EXCP_NONE; |
8747c9ee AF |
3289 | } |
3290 | ||
605def6e AF |
3291 | static RISCVException read_vscause(CPURISCVState *env, int csrno, |
3292 | target_ulong *val) | |
8747c9ee AF |
3293 | { |
3294 | *val = env->vscause; | |
605def6e | 3295 | return RISCV_EXCP_NONE; |
8747c9ee AF |
3296 | } |
3297 | ||
605def6e AF |
3298 | static RISCVException write_vscause(CPURISCVState *env, int csrno, |
3299 | target_ulong val) | |
8747c9ee AF |
3300 | { |
3301 | env->vscause = val; | |
605def6e | 3302 | return RISCV_EXCP_NONE; |
8747c9ee AF |
3303 | } |
3304 | ||
605def6e AF |
3305 | static RISCVException read_vstval(CPURISCVState *env, int csrno, |
3306 | target_ulong *val) | |
8747c9ee AF |
3307 | { |
3308 | *val = env->vstval; | |
605def6e | 3309 | return RISCV_EXCP_NONE; |
8747c9ee AF |
3310 | } |
3311 | ||
605def6e AF |
3312 | static RISCVException write_vstval(CPURISCVState *env, int csrno, |
3313 | target_ulong val) | |
8747c9ee AF |
3314 | { |
3315 | env->vstval = val; | |
605def6e | 3316 | return RISCV_EXCP_NONE; |
8747c9ee AF |
3317 | } |
3318 | ||
605def6e AF |
3319 | static RISCVException read_vsatp(CPURISCVState *env, int csrno, |
3320 | target_ulong *val) | |
8747c9ee AF |
3321 | { |
3322 | *val = env->vsatp; | |
605def6e | 3323 | return RISCV_EXCP_NONE; |
8747c9ee AF |
3324 | } |
3325 | ||
605def6e AF |
3326 | static RISCVException write_vsatp(CPURISCVState *env, int csrno, |
3327 | target_ulong val) | |
8747c9ee AF |
3328 | { |
3329 | env->vsatp = val; | |
605def6e | 3330 | return RISCV_EXCP_NONE; |
8747c9ee AF |
3331 | } |
3332 | ||
605def6e AF |
3333 | static RISCVException read_mtval2(CPURISCVState *env, int csrno, |
3334 | target_ulong *val) | |
34cfb5f6 AF |
3335 | { |
3336 | *val = env->mtval2; | |
605def6e | 3337 | return RISCV_EXCP_NONE; |
34cfb5f6 AF |
3338 | } |
3339 | ||
605def6e AF |
3340 | static RISCVException write_mtval2(CPURISCVState *env, int csrno, |
3341 | target_ulong val) | |
34cfb5f6 AF |
3342 | { |
3343 | env->mtval2 = val; | |
605def6e | 3344 | return RISCV_EXCP_NONE; |
34cfb5f6 AF |
3345 | } |
3346 | ||
605def6e AF |
3347 | static RISCVException read_mtinst(CPURISCVState *env, int csrno, |
3348 | target_ulong *val) | |
34cfb5f6 AF |
3349 | { |
3350 | *val = env->mtinst; | |
605def6e | 3351 | return RISCV_EXCP_NONE; |
34cfb5f6 AF |
3352 | } |
3353 | ||
605def6e AF |
3354 | static RISCVException write_mtinst(CPURISCVState *env, int csrno, |
3355 | target_ulong val) | |
34cfb5f6 AF |
3356 | { |
3357 | env->mtinst = val; | |
605def6e | 3358 | return RISCV_EXCP_NONE; |
34cfb5f6 AF |
3359 | } |
3360 | ||
c7b95171 | 3361 | /* Physical Memory Protection */ |
2582a95c HW |
3362 | static RISCVException read_mseccfg(CPURISCVState *env, int csrno, |
3363 | target_ulong *val) | |
3364 | { | |
3365 | *val = mseccfg_csr_read(env); | |
3366 | return RISCV_EXCP_NONE; | |
3367 | } | |
3368 | ||
3369 | static RISCVException write_mseccfg(CPURISCVState *env, int csrno, | |
8c7feddd | 3370 | target_ulong val) |
2582a95c HW |
3371 | { |
3372 | mseccfg_csr_write(env, val); | |
3373 | return RISCV_EXCP_NONE; | |
3374 | } | |
3375 | ||
605def6e AF |
3376 | static RISCVException read_pmpcfg(CPURISCVState *env, int csrno, |
3377 | target_ulong *val) | |
c7b95171 | 3378 | { |
79f26b3b LZ |
3379 | uint32_t reg_index = csrno - CSR_PMPCFG0; |
3380 | ||
77ad639c | 3381 | *val = pmpcfg_csr_read(env, reg_index); |
605def6e | 3382 | return RISCV_EXCP_NONE; |
c7b95171 MC |
3383 | } |
3384 | ||
605def6e AF |
3385 | static RISCVException write_pmpcfg(CPURISCVState *env, int csrno, |
3386 | target_ulong val) | |
c7b95171 | 3387 | { |
79f26b3b LZ |
3388 | uint32_t reg_index = csrno - CSR_PMPCFG0; |
3389 | ||
77ad639c | 3390 | pmpcfg_csr_write(env, reg_index, val); |
605def6e | 3391 | return RISCV_EXCP_NONE; |
c7b95171 MC |
3392 | } |
3393 | ||
605def6e AF |
3394 | static RISCVException read_pmpaddr(CPURISCVState *env, int csrno, |
3395 | target_ulong *val) | |
c7b95171 MC |
3396 | { |
3397 | *val = pmpaddr_csr_read(env, csrno - CSR_PMPADDR0); | |
605def6e | 3398 | return RISCV_EXCP_NONE; |
c7b95171 MC |
3399 | } |
3400 | ||
605def6e AF |
3401 | static RISCVException write_pmpaddr(CPURISCVState *env, int csrno, |
3402 | target_ulong val) | |
c7b95171 MC |
3403 | { |
3404 | pmpaddr_csr_write(env, csrno - CSR_PMPADDR0, val); | |
605def6e | 3405 | return RISCV_EXCP_NONE; |
c7b95171 MC |
3406 | } |
3407 | ||
b6092544 BM |
3408 | static RISCVException read_tselect(CPURISCVState *env, int csrno, |
3409 | target_ulong *val) | |
3410 | { | |
3411 | *val = tselect_csr_read(env); | |
3412 | return RISCV_EXCP_NONE; | |
3413 | } | |
3414 | ||
3415 | static RISCVException write_tselect(CPURISCVState *env, int csrno, | |
3416 | target_ulong val) | |
3417 | { | |
3418 | tselect_csr_write(env, val); | |
3419 | return RISCV_EXCP_NONE; | |
3420 | } | |
3421 | ||
3422 | static RISCVException read_tdata(CPURISCVState *env, int csrno, | |
3423 | target_ulong *val) | |
3424 | { | |
3425 | /* return 0 in tdata1 to end the trigger enumeration */ | |
a42bd001 | 3426 | if (env->trigger_cur >= RV_MAX_TRIGGERS && csrno == CSR_TDATA1) { |
b6092544 BM |
3427 | *val = 0; |
3428 | return RISCV_EXCP_NONE; | |
3429 | } | |
3430 | ||
3431 | if (!tdata_available(env, csrno - CSR_TDATA1)) { | |
3432 | return RISCV_EXCP_ILLEGAL_INST; | |
3433 | } | |
3434 | ||
3435 | *val = tdata_csr_read(env, csrno - CSR_TDATA1); | |
3436 | return RISCV_EXCP_NONE; | |
3437 | } | |
3438 | ||
3439 | static RISCVException write_tdata(CPURISCVState *env, int csrno, | |
3440 | target_ulong val) | |
3441 | { | |
3442 | if (!tdata_available(env, csrno - CSR_TDATA1)) { | |
3443 | return RISCV_EXCP_ILLEGAL_INST; | |
3444 | } | |
3445 | ||
3446 | tdata_csr_write(env, csrno - CSR_TDATA1, val); | |
3447 | return RISCV_EXCP_NONE; | |
3448 | } | |
3449 | ||
31b9798d FC |
3450 | static RISCVException read_tinfo(CPURISCVState *env, int csrno, |
3451 | target_ulong *val) | |
3452 | { | |
3453 | *val = tinfo_csr_read(env); | |
3454 | return RISCV_EXCP_NONE; | |
3455 | } | |
3456 | ||
4bbe8033 AB |
3457 | /* |
3458 | * Functions to access Pointer Masking feature registers | |
3459 | * We have to check if current priv lvl could modify | |
3460 | * csr in given mode | |
3461 | */ | |
3462 | static bool check_pm_current_disabled(CPURISCVState *env, int csrno) | |
3463 | { | |
3464 | int csr_priv = get_field(csrno, 0x300); | |
3465 | int pm_current; | |
3466 | ||
47bdec82 LZ |
3467 | if (env->debugger) { |
3468 | return false; | |
3469 | } | |
4bbe8033 AB |
3470 | /* |
3471 | * If priv lvls differ that means we're accessing csr from higher priv lvl, | |
3472 | * so allow the access | |
3473 | */ | |
3474 | if (env->priv != csr_priv) { | |
3475 | return false; | |
3476 | } | |
3477 | switch (env->priv) { | |
3478 | case PRV_M: | |
3479 | pm_current = get_field(env->mmte, M_PM_CURRENT); | |
3480 | break; | |
3481 | case PRV_S: | |
3482 | pm_current = get_field(env->mmte, S_PM_CURRENT); | |
3483 | break; | |
3484 | case PRV_U: | |
3485 | pm_current = get_field(env->mmte, U_PM_CURRENT); | |
3486 | break; | |
3487 | default: | |
3488 | g_assert_not_reached(); | |
3489 | } | |
3490 | /* It's same priv lvl, so we allow to modify csr only if pm.current==1 */ | |
3491 | return !pm_current; | |
3492 | } | |
3493 | ||
3494 | static RISCVException read_mmte(CPURISCVState *env, int csrno, | |
3495 | target_ulong *val) | |
3496 | { | |
3497 | *val = env->mmte & MMTE_MASK; | |
3498 | return RISCV_EXCP_NONE; | |
3499 | } | |
3500 | ||
3501 | static RISCVException write_mmte(CPURISCVState *env, int csrno, | |
3502 | target_ulong val) | |
3503 | { | |
3504 | uint64_t mstatus; | |
3505 | target_ulong wpri_val = val & MMTE_MASK; | |
3506 | ||
3507 | if (val != wpri_val) { | |
3508 | qemu_log_mask(LOG_GUEST_ERROR, "%s" TARGET_FMT_lx " %s" TARGET_FMT_lx "\n", | |
3509 | "MMTE: WPRI violation written 0x", val, | |
3510 | "vs expected 0x", wpri_val); | |
3511 | } | |
3512 | /* for machine mode pm.current is hardwired to 1 */ | |
3513 | wpri_val |= MMTE_M_PM_CURRENT; | |
3514 | ||
3515 | /* hardwiring pm.instruction bit to 0, since it's not supported yet */ | |
3516 | wpri_val &= ~(MMTE_M_PM_INSN | MMTE_S_PM_INSN | MMTE_U_PM_INSN); | |
3517 | env->mmte = wpri_val | PM_EXT_DIRTY; | |
40bfa5f6 | 3518 | riscv_cpu_update_mask(env); |
4bbe8033 AB |
3519 | |
3520 | /* Set XS and SD bits, since PM CSRs are dirty */ | |
3521 | mstatus = env->mstatus | MSTATUS_XS; | |
3522 | write_mstatus(env, csrno, mstatus); | |
3523 | return RISCV_EXCP_NONE; | |
3524 | } | |
3525 | ||
3526 | static RISCVException read_smte(CPURISCVState *env, int csrno, | |
3527 | target_ulong *val) | |
3528 | { | |
3529 | *val = env->mmte & SMTE_MASK; | |
3530 | return RISCV_EXCP_NONE; | |
3531 | } | |
3532 | ||
3533 | static RISCVException write_smte(CPURISCVState *env, int csrno, | |
3534 | target_ulong val) | |
3535 | { | |
3536 | target_ulong wpri_val = val & SMTE_MASK; | |
3537 | ||
3538 | if (val != wpri_val) { | |
3539 | qemu_log_mask(LOG_GUEST_ERROR, "%s" TARGET_FMT_lx " %s" TARGET_FMT_lx "\n", | |
3540 | "SMTE: WPRI violation written 0x", val, | |
3541 | "vs expected 0x", wpri_val); | |
3542 | } | |
3543 | ||
3544 | /* if pm.current==0 we can't modify current PM CSRs */ | |
3545 | if (check_pm_current_disabled(env, csrno)) { | |
3546 | return RISCV_EXCP_NONE; | |
3547 | } | |
3548 | ||
3549 | wpri_val |= (env->mmte & ~SMTE_MASK); | |
3550 | write_mmte(env, csrno, wpri_val); | |
3551 | return RISCV_EXCP_NONE; | |
3552 | } | |
3553 | ||
3554 | static RISCVException read_umte(CPURISCVState *env, int csrno, | |
3555 | target_ulong *val) | |
3556 | { | |
3557 | *val = env->mmte & UMTE_MASK; | |
3558 | return RISCV_EXCP_NONE; | |
3559 | } | |
3560 | ||
3561 | static RISCVException write_umte(CPURISCVState *env, int csrno, | |
3562 | target_ulong val) | |
3563 | { | |
3564 | target_ulong wpri_val = val & UMTE_MASK; | |
3565 | ||
3566 | if (val != wpri_val) { | |
3567 | qemu_log_mask(LOG_GUEST_ERROR, "%s" TARGET_FMT_lx " %s" TARGET_FMT_lx "\n", | |
3568 | "UMTE: WPRI violation written 0x", val, | |
3569 | "vs expected 0x", wpri_val); | |
3570 | } | |
3571 | ||
3572 | if (check_pm_current_disabled(env, csrno)) { | |
3573 | return RISCV_EXCP_NONE; | |
3574 | } | |
3575 | ||
3576 | wpri_val |= (env->mmte & ~UMTE_MASK); | |
3577 | write_mmte(env, csrno, wpri_val); | |
3578 | return RISCV_EXCP_NONE; | |
3579 | } | |
3580 | ||
3581 | static RISCVException read_mpmmask(CPURISCVState *env, int csrno, | |
3582 | target_ulong *val) | |
3583 | { | |
3584 | *val = env->mpmmask; | |
3585 | return RISCV_EXCP_NONE; | |
3586 | } | |
3587 | ||
3588 | static RISCVException write_mpmmask(CPURISCVState *env, int csrno, | |
3589 | target_ulong val) | |
3590 | { | |
3591 | uint64_t mstatus; | |
3592 | ||
3593 | env->mpmmask = val; | |
40bfa5f6 LZ |
3594 | if ((env->priv == PRV_M) && (env->mmte & M_PM_ENABLE)) { |
3595 | env->cur_pmmask = val; | |
3596 | } | |
4bbe8033 AB |
3597 | env->mmte |= PM_EXT_DIRTY; |
3598 | ||
3599 | /* Set XS and SD bits, since PM CSRs are dirty */ | |
3600 | mstatus = env->mstatus | MSTATUS_XS; | |
3601 | write_mstatus(env, csrno, mstatus); | |
3602 | return RISCV_EXCP_NONE; | |
3603 | } | |
3604 | ||
3605 | static RISCVException read_spmmask(CPURISCVState *env, int csrno, | |
3606 | target_ulong *val) | |
3607 | { | |
3608 | *val = env->spmmask; | |
3609 | return RISCV_EXCP_NONE; | |
3610 | } | |
3611 | ||
3612 | static RISCVException write_spmmask(CPURISCVState *env, int csrno, | |
3613 | target_ulong val) | |
3614 | { | |
3615 | uint64_t mstatus; | |
3616 | ||
3617 | /* if pm.current==0 we can't modify current PM CSRs */ | |
3618 | if (check_pm_current_disabled(env, csrno)) { | |
3619 | return RISCV_EXCP_NONE; | |
3620 | } | |
3621 | env->spmmask = val; | |
40bfa5f6 LZ |
3622 | if ((env->priv == PRV_S) && (env->mmte & S_PM_ENABLE)) { |
3623 | env->cur_pmmask = val; | |
3624 | } | |
4bbe8033 AB |
3625 | env->mmte |= PM_EXT_DIRTY; |
3626 | ||
3627 | /* Set XS and SD bits, since PM CSRs are dirty */ | |
3628 | mstatus = env->mstatus | MSTATUS_XS; | |
3629 | write_mstatus(env, csrno, mstatus); | |
3630 | return RISCV_EXCP_NONE; | |
3631 | } | |
3632 | ||
3633 | static RISCVException read_upmmask(CPURISCVState *env, int csrno, | |
3634 | target_ulong *val) | |
3635 | { | |
3636 | *val = env->upmmask; | |
3637 | return RISCV_EXCP_NONE; | |
3638 | } | |
3639 | ||
3640 | static RISCVException write_upmmask(CPURISCVState *env, int csrno, | |
3641 | target_ulong val) | |
3642 | { | |
3643 | uint64_t mstatus; | |
3644 | ||
3645 | /* if pm.current==0 we can't modify current PM CSRs */ | |
3646 | if (check_pm_current_disabled(env, csrno)) { | |
3647 | return RISCV_EXCP_NONE; | |
3648 | } | |
3649 | env->upmmask = val; | |
40bfa5f6 LZ |
3650 | if ((env->priv == PRV_U) && (env->mmte & U_PM_ENABLE)) { |
3651 | env->cur_pmmask = val; | |
3652 | } | |
4bbe8033 AB |
3653 | env->mmte |= PM_EXT_DIRTY; |
3654 | ||
3655 | /* Set XS and SD bits, since PM CSRs are dirty */ | |
3656 | mstatus = env->mstatus | MSTATUS_XS; | |
3657 | write_mstatus(env, csrno, mstatus); | |
3658 | return RISCV_EXCP_NONE; | |
3659 | } | |
3660 | ||
3661 | static RISCVException read_mpmbase(CPURISCVState *env, int csrno, | |
3662 | target_ulong *val) | |
3663 | { | |
3664 | *val = env->mpmbase; | |
3665 | return RISCV_EXCP_NONE; | |
3666 | } | |
3667 | ||
3668 | static RISCVException write_mpmbase(CPURISCVState *env, int csrno, | |
3669 | target_ulong val) | |
3670 | { | |
3671 | uint64_t mstatus; | |
3672 | ||
3673 | env->mpmbase = val; | |
40bfa5f6 LZ |
3674 | if ((env->priv == PRV_M) && (env->mmte & M_PM_ENABLE)) { |
3675 | env->cur_pmbase = val; | |
3676 | } | |
4bbe8033 AB |
3677 | env->mmte |= PM_EXT_DIRTY; |
3678 | ||
3679 | /* Set XS and SD bits, since PM CSRs are dirty */ | |
3680 | mstatus = env->mstatus | MSTATUS_XS; | |
3681 | write_mstatus(env, csrno, mstatus); | |
3682 | return RISCV_EXCP_NONE; | |
3683 | } | |
3684 | ||
3685 | static RISCVException read_spmbase(CPURISCVState *env, int csrno, | |
3686 | target_ulong *val) | |
3687 | { | |
3688 | *val = env->spmbase; | |
3689 | return RISCV_EXCP_NONE; | |
3690 | } | |
3691 | ||
3692 | static RISCVException write_spmbase(CPURISCVState *env, int csrno, | |
3693 | target_ulong val) | |
3694 | { | |
3695 | uint64_t mstatus; | |
3696 | ||
3697 | /* if pm.current==0 we can't modify current PM CSRs */ | |
3698 | if (check_pm_current_disabled(env, csrno)) { | |
3699 | return RISCV_EXCP_NONE; | |
3700 | } | |
3701 | env->spmbase = val; | |
40bfa5f6 LZ |
3702 | if ((env->priv == PRV_S) && (env->mmte & S_PM_ENABLE)) { |
3703 | env->cur_pmbase = val; | |
3704 | } | |
4bbe8033 AB |
3705 | env->mmte |= PM_EXT_DIRTY; |
3706 | ||
3707 | /* Set XS and SD bits, since PM CSRs are dirty */ | |
3708 | mstatus = env->mstatus | MSTATUS_XS; | |
3709 | write_mstatus(env, csrno, mstatus); | |
3710 | return RISCV_EXCP_NONE; | |
3711 | } | |
3712 | ||
3713 | static RISCVException read_upmbase(CPURISCVState *env, int csrno, | |
3714 | target_ulong *val) | |
3715 | { | |
3716 | *val = env->upmbase; | |
3717 | return RISCV_EXCP_NONE; | |
3718 | } | |
3719 | ||
3720 | static RISCVException write_upmbase(CPURISCVState *env, int csrno, | |
3721 | target_ulong val) | |
3722 | { | |
3723 | uint64_t mstatus; | |
3724 | ||
3725 | /* if pm.current==0 we can't modify current PM CSRs */ | |
3726 | if (check_pm_current_disabled(env, csrno)) { | |
3727 | return RISCV_EXCP_NONE; | |
3728 | } | |
3729 | env->upmbase = val; | |
40bfa5f6 LZ |
3730 | if ((env->priv == PRV_U) && (env->mmte & U_PM_ENABLE)) { |
3731 | env->cur_pmbase = val; | |
3732 | } | |
4bbe8033 AB |
3733 | env->mmte |= PM_EXT_DIRTY; |
3734 | ||
3735 | /* Set XS and SD bits, since PM CSRs are dirty */ | |
3736 | mstatus = env->mstatus | MSTATUS_XS; | |
3737 | write_mstatus(env, csrno, mstatus); | |
3738 | return RISCV_EXCP_NONE; | |
3739 | } | |
3740 | ||
c7b95171 MC |
3741 | #endif |
3742 | ||
77442380 WL |
3743 | /* Crypto Extension */ |
3744 | static RISCVException rmw_seed(CPURISCVState *env, int csrno, | |
3745 | target_ulong *ret_value, | |
3746 | target_ulong new_value, | |
3747 | target_ulong write_mask) | |
3748 | { | |
3749 | uint16_t random_v; | |
3750 | Error *random_e = NULL; | |
3751 | int random_r; | |
3752 | target_ulong rval; | |
3753 | ||
3754 | random_r = qemu_guest_getrandom(&random_v, 2, &random_e); | |
3755 | if (unlikely(random_r < 0)) { | |
3756 | /* | |
3757 | * Failed, for unknown reasons in the crypto subsystem. | |
3758 | * The best we can do is log the reason and return a | |
3759 | * failure indication to the guest. There is no reason | |
3760 | * we know to expect the failure to be transitory, so | |
3761 | * indicate DEAD to avoid having the guest spin on WAIT. | |
3762 | */ | |
3763 | qemu_log_mask(LOG_UNIMP, "%s: Crypto failure: %s", | |
3764 | __func__, error_get_pretty(random_e)); | |
3765 | error_free(random_e); | |
3766 | rval = SEED_OPST_DEAD; | |
3767 | } else { | |
3768 | rval = random_v | SEED_OPST_ES16; | |
3769 | } | |
3770 | ||
3771 | if (ret_value) { | |
3772 | *ret_value = rval; | |
3773 | } | |
3774 | ||
3775 | return RISCV_EXCP_NONE; | |
3776 | } | |
3777 | ||
c7b95171 MC |
3778 | /* |
3779 | * riscv_csrrw - read and/or update control and status register | |
3780 | * | |
3781 | * csrr <-> riscv_csrrw(env, csrno, ret_value, 0, 0); | |
3782 | * csrrw <-> riscv_csrrw(env, csrno, ret_value, value, -1); | |
3783 | * csrrs <-> riscv_csrrw(env, csrno, ret_value, -1, value); | |
3784 | * csrrc <-> riscv_csrrw(env, csrno, ret_value, 0, value); | |
3785 | */ | |
3786 | ||
457c360f FP |
3787 | static inline RISCVException riscv_csrrw_check(CPURISCVState *env, |
3788 | int csrno, | |
3789 | bool write_mask, | |
3790 | RISCVCPU *cpu) | |
c7b95171 | 3791 | { |
65e728a2 | 3792 | /* check privileges and return RISCV_EXCP_ILLEGAL_INST if check fails */ |
a7e407b3 | 3793 | bool read_only = get_field(csrno, 0xC00) == 3; |
7100fe6c | 3794 | int csr_min_priv = csr_ops[csrno].min_priv_ver; |
eacaf440 | 3795 | |
a5e0f686 | 3796 | /* ensure the CSR extension is enabled */ |
eacaf440 WL |
3797 | if (!cpu->cfg.ext_icsr) { |
3798 | return RISCV_EXCP_ILLEGAL_INST; | |
3799 | } | |
3800 | ||
a5e0f686 | 3801 | /* privileged spec version check */ |
eacaf440 WL |
3802 | if (env->priv_ver < csr_min_priv) { |
3803 | return RISCV_EXCP_ILLEGAL_INST; | |
3804 | } | |
3805 | ||
a5e0f686 | 3806 | /* read / write check */ |
eacaf440 WL |
3807 | if (write_mask && read_only) { |
3808 | return RISCV_EXCP_ILLEGAL_INST; | |
3809 | } | |
3810 | ||
a5e0f686 BM |
3811 | /* |
3812 | * The predicate() not only does existence check but also does some | |
3813 | * access control check which triggers for example virtual instruction | |
3814 | * exception in some cases. When writing read-only CSRs in those cases | |
3815 | * illegal instruction exception should be triggered instead of virtual | |
3816 | * instruction exception. Hence this comes after the read / write check. | |
3817 | */ | |
0ee34225 | 3818 | g_assert(csr_ops[csrno].predicate != NULL); |
eacaf440 WL |
3819 | RISCVException ret = csr_ops[csrno].predicate(env, csrno); |
3820 | if (ret != RISCV_EXCP_NONE) { | |
3821 | return ret; | |
3822 | } | |
3823 | ||
c7b95171 | 3824 | #if !defined(CONFIG_USER_ONLY) |
c1fbcecb | 3825 | int csr_priv, effective_priv = env->priv; |
0a42f4c4 | 3826 | |
5de12453 WL |
3827 | if (riscv_has_ext(env, RVH) && env->priv == PRV_S && |
3828 | !riscv_cpu_virt_enabled(env)) { | |
0a42f4c4 | 3829 | /* |
5de12453 WL |
3830 | * We are in HS mode. Add 1 to the effective privledge level to |
3831 | * allow us to access the Hypervisor CSRs. | |
0a42f4c4 AF |
3832 | */ |
3833 | effective_priv++; | |
e6e03dcf | 3834 | } |
0a42f4c4 | 3835 | |
c1fbcecb AP |
3836 | csr_priv = get_field(csrno, 0x300); |
3837 | if (!env->debugger && (effective_priv < csr_priv)) { | |
3838 | if (csr_priv == (PRV_S + 1) && riscv_cpu_virt_enabled(env)) { | |
3839 | return RISCV_EXCP_VIRT_INSTRUCTION_FAULT; | |
3840 | } | |
533c91e8 | 3841 | return RISCV_EXCP_ILLEGAL_INST; |
c7b95171 MC |
3842 | } |
3843 | #endif | |
eacaf440 | 3844 | return RISCV_EXCP_NONE; |
457c360f FP |
3845 | } |
3846 | ||
3847 | static RISCVException riscv_csrrw_do64(CPURISCVState *env, int csrno, | |
3848 | target_ulong *ret_value, | |
3849 | target_ulong new_value, | |
3850 | target_ulong write_mask) | |
3851 | { | |
3852 | RISCVException ret; | |
3853 | target_ulong old_value; | |
a88365c1 | 3854 | |
c7b95171 MC |
3855 | /* execute combined read/write operation if it exists */ |
3856 | if (csr_ops[csrno].op) { | |
533c91e8 | 3857 | return csr_ops[csrno].op(env, csrno, ret_value, new_value, write_mask); |
c7b95171 MC |
3858 | } |
3859 | ||
3860 | /* if no accessor exists then return failure */ | |
3861 | if (!csr_ops[csrno].read) { | |
533c91e8 | 3862 | return RISCV_EXCP_ILLEGAL_INST; |
c7b95171 | 3863 | } |
c7b95171 MC |
3864 | /* read old value */ |
3865 | ret = csr_ops[csrno].read(env, csrno, &old_value); | |
605def6e | 3866 | if (ret != RISCV_EXCP_NONE) { |
533c91e8 | 3867 | return ret; |
c7b95171 MC |
3868 | } |
3869 | ||
3870 | /* write value if writable and write mask set, otherwise drop writes */ | |
3871 | if (write_mask) { | |
3872 | new_value = (old_value & ~write_mask) | (new_value & write_mask); | |
3873 | if (csr_ops[csrno].write) { | |
3874 | ret = csr_ops[csrno].write(env, csrno, new_value); | |
605def6e | 3875 | if (ret != RISCV_EXCP_NONE) { |
533c91e8 | 3876 | return ret; |
c7b95171 MC |
3877 | } |
3878 | } | |
3879 | } | |
3880 | ||
3881 | /* return old value */ | |
3882 | if (ret_value) { | |
3883 | *ret_value = old_value; | |
3884 | } | |
3885 | ||
533c91e8 | 3886 | return RISCV_EXCP_NONE; |
c7b95171 MC |
3887 | } |
3888 | ||
457c360f FP |
3889 | RISCVException riscv_csrrw(CPURISCVState *env, int csrno, |
3890 | target_ulong *ret_value, | |
3891 | target_ulong new_value, target_ulong write_mask) | |
3892 | { | |
3893 | RISCVCPU *cpu = env_archcpu(env); | |
3894 | ||
3895 | RISCVException ret = riscv_csrrw_check(env, csrno, write_mask, cpu); | |
3896 | if (ret != RISCV_EXCP_NONE) { | |
3897 | return ret; | |
3898 | } | |
3899 | ||
3900 | return riscv_csrrw_do64(env, csrno, ret_value, new_value, write_mask); | |
3901 | } | |
3902 | ||
3903 | static RISCVException riscv_csrrw_do128(CPURISCVState *env, int csrno, | |
3904 | Int128 *ret_value, | |
3905 | Int128 new_value, | |
3906 | Int128 write_mask) | |
961738ff | 3907 | { |
457c360f FP |
3908 | RISCVException ret; |
3909 | Int128 old_value; | |
3910 | ||
3911 | /* read old value */ | |
3912 | ret = csr_ops[csrno].read128(env, csrno, &old_value); | |
3913 | if (ret != RISCV_EXCP_NONE) { | |
3914 | return ret; | |
3915 | } | |
3916 | ||
3917 | /* write value if writable and write mask set, otherwise drop writes */ | |
3918 | if (int128_nz(write_mask)) { | |
3919 | new_value = int128_or(int128_and(old_value, int128_not(write_mask)), | |
3920 | int128_and(new_value, write_mask)); | |
3921 | if (csr_ops[csrno].write128) { | |
3922 | ret = csr_ops[csrno].write128(env, csrno, new_value); | |
3923 | if (ret != RISCV_EXCP_NONE) { | |
3924 | return ret; | |
3925 | } | |
3926 | } else if (csr_ops[csrno].write) { | |
3927 | /* avoids having to write wrappers for all registers */ | |
3928 | ret = csr_ops[csrno].write(env, csrno, int128_getlo(new_value)); | |
3929 | if (ret != RISCV_EXCP_NONE) { | |
3930 | return ret; | |
3931 | } | |
3932 | } | |
3933 | } | |
961738ff | 3934 | |
457c360f | 3935 | /* return old value */ |
961738ff | 3936 | if (ret_value) { |
457c360f FP |
3937 | *ret_value = old_value; |
3938 | } | |
3939 | ||
3940 | return RISCV_EXCP_NONE; | |
3941 | } | |
3942 | ||
3943 | RISCVException riscv_csrrw_i128(CPURISCVState *env, int csrno, | |
3944 | Int128 *ret_value, | |
3945 | Int128 new_value, Int128 write_mask) | |
3946 | { | |
3947 | RISCVException ret; | |
3948 | RISCVCPU *cpu = env_archcpu(env); | |
3949 | ||
3950 | ret = riscv_csrrw_check(env, csrno, int128_nz(write_mask), cpu); | |
3951 | if (ret != RISCV_EXCP_NONE) { | |
3952 | return ret; | |
961738ff FP |
3953 | } |
3954 | ||
457c360f FP |
3955 | if (csr_ops[csrno].read128) { |
3956 | return riscv_csrrw_do128(env, csrno, ret_value, new_value, write_mask); | |
3957 | } | |
3958 | ||
3959 | /* | |
3960 | * Fall back to 64-bit version for now, if the 128-bit alternative isn't | |
3961 | * at all defined. | |
3962 | * Note, some CSRs don't need to extend to MXLEN (64 upper bits non | |
3963 | * significant), for those, this fallback is correctly handling the accesses | |
3964 | */ | |
3965 | target_ulong old_value; | |
3966 | ret = riscv_csrrw_do64(env, csrno, &old_value, | |
3967 | int128_getlo(new_value), | |
3968 | int128_getlo(write_mask)); | |
3969 | if (ret == RISCV_EXCP_NONE && ret_value) { | |
3970 | *ret_value = int128_make64(old_value); | |
3971 | } | |
961738ff FP |
3972 | return ret; |
3973 | } | |
3974 | ||
753e3fe2 JW |
3975 | /* |
3976 | * Debugger support. If not in user mode, set env->debugger before the | |
3977 | * riscv_csrrw call and clear it after the call. | |
3978 | */ | |
533c91e8 AF |
3979 | RISCVException riscv_csrrw_debug(CPURISCVState *env, int csrno, |
3980 | target_ulong *ret_value, | |
3981 | target_ulong new_value, | |
3982 | target_ulong write_mask) | |
753e3fe2 | 3983 | { |
533c91e8 | 3984 | RISCVException ret; |
753e3fe2 JW |
3985 | #if !defined(CONFIG_USER_ONLY) |
3986 | env->debugger = true; | |
3987 | #endif | |
3988 | ret = riscv_csrrw(env, csrno, ret_value, new_value, write_mask); | |
3989 | #if !defined(CONFIG_USER_ONLY) | |
3990 | env->debugger = false; | |
3991 | #endif | |
3992 | return ret; | |
3993 | } | |
3994 | ||
c7b95171 | 3995 | /* Control and Status Register function table */ |
56118ee8 | 3996 | riscv_csr_operations csr_ops[CSR_TABLE_SIZE] = { |
c7b95171 | 3997 | /* User Floating-Point CSRs */ |
8ceac5dc BM |
3998 | [CSR_FFLAGS] = { "fflags", fs, read_fflags, write_fflags }, |
3999 | [CSR_FRM] = { "frm", fs, read_frm, write_frm }, | |
4000 | [CSR_FCSR] = { "fcsr", fs, read_fcsr, write_fcsr }, | |
8e3a1f18 | 4001 | /* Vector CSRs */ |
0e660142 FC |
4002 | [CSR_VSTART] = { "vstart", vs, read_vstart, write_vstart }, |
4003 | [CSR_VXSAT] = { "vxsat", vs, read_vxsat, write_vxsat }, | |
4004 | [CSR_VXRM] = { "vxrm", vs, read_vxrm, write_vxrm }, | |
4005 | [CSR_VCSR] = { "vcsr", vs, read_vcsr, write_vcsr }, | |
4006 | [CSR_VL] = { "vl", vs, read_vl }, | |
4007 | [CSR_VTYPE] = { "vtype", vs, read_vtype }, | |
4008 | [CSR_VLENB] = { "vlenb", vs, read_vlenb }, | |
c7b95171 | 4009 | /* User Timers and Counters */ |
3780e337 AP |
4010 | [CSR_CYCLE] = { "cycle", ctr, read_hpmcounter }, |
4011 | [CSR_INSTRET] = { "instret", ctr, read_hpmcounter }, | |
4012 | [CSR_CYCLEH] = { "cycleh", ctr32, read_hpmcounterh }, | |
4013 | [CSR_INSTRETH] = { "instreth", ctr32, read_hpmcounterh }, | |
8ceac5dc BM |
4014 | |
4015 | /* | |
4016 | * In privileged mode, the monitor will have to emulate TIME CSRs only if | |
4017 | * rdtime callback is not provided by machine/platform emulation. | |
4018 | */ | |
4019 | [CSR_TIME] = { "time", ctr, read_time }, | |
4020 | [CSR_TIMEH] = { "timeh", ctr32, read_timeh }, | |
c7b95171 | 4021 | |
77442380 WL |
4022 | /* Crypto Extension */ |
4023 | [CSR_SEED] = { "seed", seed, NULL, NULL, rmw_seed }, | |
4024 | ||
c7b95171 MC |
4025 | #if !defined(CONFIG_USER_ONLY) |
4026 | /* Machine Timers and Counters */ | |
108c4f26 WL |
4027 | [CSR_MCYCLE] = { "mcycle", any, read_hpmcounter, |
4028 | write_mhpmcounter }, | |
4029 | [CSR_MINSTRET] = { "minstret", any, read_hpmcounter, | |
4030 | write_mhpmcounter }, | |
4031 | [CSR_MCYCLEH] = { "mcycleh", any32, read_hpmcounterh, | |
4032 | write_mhpmcounterh }, | |
4033 | [CSR_MINSTRETH] = { "minstreth", any32, read_hpmcounterh, | |
4034 | write_mhpmcounterh }, | |
c7b95171 MC |
4035 | |
4036 | /* Machine Information Registers */ | |
9951ba94 FC |
4037 | [CSR_MVENDORID] = { "mvendorid", any, read_mvendorid }, |
4038 | [CSR_MARCHID] = { "marchid", any, read_marchid }, | |
075eeda9 | 4039 | [CSR_MIMPID] = { "mimpid", any, read_mimpid }, |
9951ba94 | 4040 | [CSR_MHARTID] = { "mhartid", any, read_mhartid }, |
c7b95171 | 4041 | |
3e6a417c | 4042 | [CSR_MCONFIGPTR] = { "mconfigptr", any, read_zero, |
108c4f26 | 4043 | .min_priv_ver = PRIV_VERSION_1_12_0 }, |
c7b95171 | 4044 | /* Machine Trap Setup */ |
108c4f26 WL |
4045 | [CSR_MSTATUS] = { "mstatus", any, read_mstatus, write_mstatus, |
4046 | NULL, read_mstatus_i128 }, | |
4047 | [CSR_MISA] = { "misa", any, read_misa, write_misa, | |
4048 | NULL, read_misa_i128 }, | |
4049 | [CSR_MIDELEG] = { "mideleg", any, NULL, NULL, rmw_mideleg }, | |
4050 | [CSR_MEDELEG] = { "medeleg", any, read_medeleg, write_medeleg }, | |
4051 | [CSR_MIE] = { "mie", any, NULL, NULL, rmw_mie }, | |
4052 | [CSR_MTVEC] = { "mtvec", any, read_mtvec, write_mtvec }, | |
c126f83c | 4053 | [CSR_MCOUNTEREN] = { "mcounteren", umode, read_mcounteren, |
108c4f26 WL |
4054 | write_mcounteren }, |
4055 | ||
4056 | [CSR_MSTATUSH] = { "mstatush", any32, read_mstatush, | |
4057 | write_mstatush }, | |
551fa7e8 | 4058 | |
c7b95171 | 4059 | /* Machine Trap Handling */ |
108c4f26 WL |
4060 | [CSR_MSCRATCH] = { "mscratch", any, read_mscratch, write_mscratch, |
4061 | NULL, read_mscratch_i128, write_mscratch_i128 }, | |
8ceac5dc BM |
4062 | [CSR_MEPC] = { "mepc", any, read_mepc, write_mepc }, |
4063 | [CSR_MCAUSE] = { "mcause", any, read_mcause, write_mcause }, | |
ac12b601 | 4064 | [CSR_MTVAL] = { "mtval", any, read_mtval, write_mtval }, |
8ceac5dc | 4065 | [CSR_MIP] = { "mip", any, NULL, NULL, rmw_mip }, |
c7b95171 | 4066 | |
d1ceff40 AP |
4067 | /* Machine-Level Window to Indirectly Accessed Registers (AIA) */ |
4068 | [CSR_MISELECT] = { "miselect", aia_any, NULL, NULL, rmw_xiselect }, | |
4069 | [CSR_MIREG] = { "mireg", aia_any, NULL, NULL, rmw_xireg }, | |
4070 | ||
c7de92b4 | 4071 | /* Machine-Level Interrupts (AIA) */ |
108c4f26 WL |
4072 | [CSR_MTOPEI] = { "mtopei", aia_any, NULL, NULL, rmw_xtopei }, |
4073 | [CSR_MTOPI] = { "mtopi", aia_any, read_mtopi }, | |
ac4b0302 | 4074 | |
d0237b4d | 4075 | /* Virtual Interrupts for Supervisor Level (AIA) */ |
108c4f26 WL |
4076 | [CSR_MVIEN] = { "mvien", aia_any, read_zero, write_ignore }, |
4077 | [CSR_MVIP] = { "mvip", aia_any, read_zero, write_ignore }, | |
d0237b4d | 4078 | |
d028ac75 AP |
4079 | /* Machine-Level High-Half CSRs (AIA) */ |
4080 | [CSR_MIDELEGH] = { "midelegh", aia_any32, NULL, NULL, rmw_midelegh }, | |
4081 | [CSR_MIEH] = { "mieh", aia_any32, NULL, NULL, rmw_mieh }, | |
d0237b4d AP |
4082 | [CSR_MVIENH] = { "mvienh", aia_any32, read_zero, write_ignore }, |
4083 | [CSR_MVIPH] = { "mviph", aia_any32, read_zero, write_ignore }, | |
d028ac75 AP |
4084 | [CSR_MIPH] = { "miph", aia_any32, NULL, NULL, rmw_miph }, |
4085 | ||
29a9ec9b | 4086 | /* Execution environment configuration */ |
c126f83c | 4087 | [CSR_MENVCFG] = { "menvcfg", umode, read_menvcfg, write_menvcfg, |
108c4f26 | 4088 | .min_priv_ver = PRIV_VERSION_1_12_0 }, |
c126f83c | 4089 | [CSR_MENVCFGH] = { "menvcfgh", umode32, read_menvcfgh, write_menvcfgh, |
108c4f26 | 4090 | .min_priv_ver = PRIV_VERSION_1_12_0 }, |
29a9ec9b | 4091 | [CSR_SENVCFG] = { "senvcfg", smode, read_senvcfg, write_senvcfg, |
108c4f26 | 4092 | .min_priv_ver = PRIV_VERSION_1_12_0 }, |
29a9ec9b | 4093 | [CSR_HENVCFG] = { "henvcfg", hmode, read_henvcfg, write_henvcfg, |
108c4f26 | 4094 | .min_priv_ver = PRIV_VERSION_1_12_0 }, |
29a9ec9b | 4095 | [CSR_HENVCFGH] = { "henvcfgh", hmode32, read_henvcfgh, write_henvcfgh, |
108c4f26 | 4096 | .min_priv_ver = PRIV_VERSION_1_12_0 }, |
29a9ec9b | 4097 | |
3bee0e40 MC |
4098 | /* Smstateen extension CSRs */ |
4099 | [CSR_MSTATEEN0] = { "mstateen0", mstateen, read_mstateen, write_mstateen0, | |
4100 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4101 | [CSR_MSTATEEN0H] = { "mstateen0h", mstateen, read_mstateenh, | |
4102 | write_mstateen0h, | |
4103 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4104 | [CSR_MSTATEEN1] = { "mstateen1", mstateen, read_mstateen, | |
4105 | write_mstateen_1_3, | |
4106 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4107 | [CSR_MSTATEEN1H] = { "mstateen1h", mstateen, read_mstateenh, | |
4108 | write_mstateenh_1_3, | |
4109 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4110 | [CSR_MSTATEEN2] = { "mstateen2", mstateen, read_mstateen, | |
4111 | write_mstateen_1_3, | |
4112 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4113 | [CSR_MSTATEEN2H] = { "mstateen2h", mstateen, read_mstateenh, | |
4114 | write_mstateenh_1_3, | |
4115 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4116 | [CSR_MSTATEEN3] = { "mstateen3", mstateen, read_mstateen, | |
4117 | write_mstateen_1_3, | |
4118 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4119 | [CSR_MSTATEEN3H] = { "mstateen3h", mstateen, read_mstateenh, | |
4120 | write_mstateenh_1_3, | |
4121 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4122 | [CSR_HSTATEEN0] = { "hstateen0", hstateen, read_hstateen, write_hstateen0, | |
4123 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4124 | [CSR_HSTATEEN0H] = { "hstateen0h", hstateenh, read_hstateenh, | |
4125 | write_hstateen0h, | |
4126 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4127 | [CSR_HSTATEEN1] = { "hstateen1", hstateen, read_hstateen, | |
4128 | write_hstateen_1_3, | |
4129 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4130 | [CSR_HSTATEEN1H] = { "hstateen1h", hstateenh, read_hstateenh, | |
4131 | write_hstateenh_1_3, | |
4132 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4133 | [CSR_HSTATEEN2] = { "hstateen2", hstateen, read_hstateen, | |
4134 | write_hstateen_1_3, | |
4135 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4136 | [CSR_HSTATEEN2H] = { "hstateen2h", hstateenh, read_hstateenh, | |
4137 | write_hstateenh_1_3, | |
4138 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4139 | [CSR_HSTATEEN3] = { "hstateen3", hstateen, read_hstateen, | |
4140 | write_hstateen_1_3, | |
4141 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4142 | [CSR_HSTATEEN3H] = { "hstateen3h", hstateenh, read_hstateenh, | |
4143 | write_hstateenh_1_3, | |
4144 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4145 | [CSR_SSTATEEN0] = { "sstateen0", sstateen, read_sstateen, write_sstateen0, | |
4146 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4147 | [CSR_SSTATEEN1] = { "sstateen1", sstateen, read_sstateen, | |
4148 | write_sstateen_1_3, | |
4149 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4150 | [CSR_SSTATEEN2] = { "sstateen2", sstateen, read_sstateen, | |
4151 | write_sstateen_1_3, | |
4152 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4153 | [CSR_SSTATEEN3] = { "sstateen3", sstateen, read_sstateen, | |
4154 | write_sstateen_1_3, | |
4155 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4156 | ||
c7b95171 | 4157 | /* Supervisor Trap Setup */ |
108c4f26 WL |
4158 | [CSR_SSTATUS] = { "sstatus", smode, read_sstatus, write_sstatus, |
4159 | NULL, read_sstatus_i128 }, | |
4160 | [CSR_SIE] = { "sie", smode, NULL, NULL, rmw_sie }, | |
4161 | [CSR_STVEC] = { "stvec", smode, read_stvec, write_stvec }, | |
4162 | [CSR_SCOUNTEREN] = { "scounteren", smode, read_scounteren, | |
4163 | write_scounteren }, | |
c7b95171 MC |
4164 | |
4165 | /* Supervisor Trap Handling */ | |
108c4f26 WL |
4166 | [CSR_SSCRATCH] = { "sscratch", smode, read_sscratch, write_sscratch, |
4167 | NULL, read_sscratch_i128, write_sscratch_i128 }, | |
8ceac5dc BM |
4168 | [CSR_SEPC] = { "sepc", smode, read_sepc, write_sepc }, |
4169 | [CSR_SCAUSE] = { "scause", smode, read_scause, write_scause }, | |
108c4f26 | 4170 | [CSR_STVAL] = { "stval", smode, read_stval, write_stval }, |
8ceac5dc | 4171 | [CSR_SIP] = { "sip", smode, NULL, NULL, rmw_sip }, |
43888c2f AP |
4172 | [CSR_STIMECMP] = { "stimecmp", sstc, read_stimecmp, write_stimecmp, |
4173 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4174 | [CSR_STIMECMPH] = { "stimecmph", sstc_32, read_stimecmph, write_stimecmph, | |
4175 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
3ec0fe18 AP |
4176 | [CSR_VSTIMECMP] = { "vstimecmp", sstc, read_vstimecmp, |
4177 | write_vstimecmp, | |
4178 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4179 | [CSR_VSTIMECMPH] = { "vstimecmph", sstc_32, read_vstimecmph, | |
4180 | write_vstimecmph, | |
4181 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
c7b95171 MC |
4182 | |
4183 | /* Supervisor Protection and Translation */ | |
108c4f26 | 4184 | [CSR_SATP] = { "satp", smode, read_satp, write_satp }, |
8ceac5dc | 4185 | |
d1ceff40 AP |
4186 | /* Supervisor-Level Window to Indirectly Accessed Registers (AIA) */ |
4187 | [CSR_SISELECT] = { "siselect", aia_smode, NULL, NULL, rmw_xiselect }, | |
4188 | [CSR_SIREG] = { "sireg", aia_smode, NULL, NULL, rmw_xireg }, | |
4189 | ||
c7de92b4 | 4190 | /* Supervisor-Level Interrupts (AIA) */ |
ac4b0302 | 4191 | [CSR_STOPEI] = { "stopei", aia_smode, NULL, NULL, rmw_xtopei }, |
df01af33 | 4192 | [CSR_STOPI] = { "stopi", aia_smode, read_stopi }, |
ac4b0302 | 4193 | |
d028ac75 AP |
4194 | /* Supervisor-Level High-Half CSRs (AIA) */ |
4195 | [CSR_SIEH] = { "sieh", aia_smode32, NULL, NULL, rmw_sieh }, | |
4196 | [CSR_SIPH] = { "siph", aia_smode32, NULL, NULL, rmw_siph }, | |
4197 | ||
108c4f26 WL |
4198 | [CSR_HSTATUS] = { "hstatus", hmode, read_hstatus, write_hstatus, |
4199 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4200 | [CSR_HEDELEG] = { "hedeleg", hmode, read_hedeleg, write_hedeleg, | |
4201 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
a4b2fa43 | 4202 | [CSR_HIDELEG] = { "hideleg", hmode, NULL, NULL, rmw_hideleg, |
108c4f26 WL |
4203 | .min_priv_ver = PRIV_VERSION_1_12_0 }, |
4204 | [CSR_HVIP] = { "hvip", hmode, NULL, NULL, rmw_hvip, | |
4205 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4206 | [CSR_HIP] = { "hip", hmode, NULL, NULL, rmw_hip, | |
4207 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4208 | [CSR_HIE] = { "hie", hmode, NULL, NULL, rmw_hie, | |
4209 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4210 | [CSR_HCOUNTEREN] = { "hcounteren", hmode, read_hcounteren, | |
4211 | write_hcounteren, | |
4212 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4213 | [CSR_HGEIE] = { "hgeie", hmode, read_hgeie, write_hgeie, | |
4214 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4215 | [CSR_HTVAL] = { "htval", hmode, read_htval, write_htval, | |
4216 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4217 | [CSR_HTINST] = { "htinst", hmode, read_htinst, write_htinst, | |
4218 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
a4b2fa43 | 4219 | [CSR_HGEIP] = { "hgeip", hmode, read_hgeip, |
108c4f26 WL |
4220 | .min_priv_ver = PRIV_VERSION_1_12_0 }, |
4221 | [CSR_HGATP] = { "hgatp", hmode, read_hgatp, write_hgatp, | |
4222 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4223 | [CSR_HTIMEDELTA] = { "htimedelta", hmode, read_htimedelta, | |
4224 | write_htimedelta, | |
4225 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4226 | [CSR_HTIMEDELTAH] = { "htimedeltah", hmode32, read_htimedeltah, | |
4227 | write_htimedeltah, | |
4228 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4229 | ||
4230 | [CSR_VSSTATUS] = { "vsstatus", hmode, read_vsstatus, | |
4231 | write_vsstatus, | |
4232 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4233 | [CSR_VSIP] = { "vsip", hmode, NULL, NULL, rmw_vsip, | |
4234 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4235 | [CSR_VSIE] = { "vsie", hmode, NULL, NULL, rmw_vsie , | |
4236 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4237 | [CSR_VSTVEC] = { "vstvec", hmode, read_vstvec, write_vstvec, | |
4238 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4239 | [CSR_VSSCRATCH] = { "vsscratch", hmode, read_vsscratch, | |
4240 | write_vsscratch, | |
4241 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4242 | [CSR_VSEPC] = { "vsepc", hmode, read_vsepc, write_vsepc, | |
4243 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4244 | [CSR_VSCAUSE] = { "vscause", hmode, read_vscause, write_vscause, | |
4245 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4246 | [CSR_VSTVAL] = { "vstval", hmode, read_vstval, write_vstval, | |
4247 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4248 | [CSR_VSATP] = { "vsatp", hmode, read_vsatp, write_vsatp, | |
4249 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4250 | ||
4251 | [CSR_MTVAL2] = { "mtval2", hmode, read_mtval2, write_mtval2, | |
4252 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
4253 | [CSR_MTINST] = { "mtinst", hmode, read_mtinst, write_mtinst, | |
4254 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
34cfb5f6 | 4255 | |
2b602398 | 4256 | /* Virtual Interrupts and Interrupt Priorities (H-extension with AIA) */ |
d0237b4d | 4257 | [CSR_HVIEN] = { "hvien", aia_hmode, read_zero, write_ignore }, |
108c4f26 WL |
4258 | [CSR_HVICTL] = { "hvictl", aia_hmode, read_hvictl, |
4259 | write_hvictl }, | |
4260 | [CSR_HVIPRIO1] = { "hviprio1", aia_hmode, read_hviprio1, | |
4261 | write_hviprio1 }, | |
4262 | [CSR_HVIPRIO2] = { "hviprio2", aia_hmode, read_hviprio2, | |
4263 | write_hviprio2 }, | |
2b602398 | 4264 | |
d1ceff40 AP |
4265 | /* |
4266 | * VS-Level Window to Indirectly Accessed Registers (H-extension with AIA) | |
4267 | */ | |
108c4f26 WL |
4268 | [CSR_VSISELECT] = { "vsiselect", aia_hmode, NULL, NULL, |
4269 | rmw_xiselect }, | |
4270 | [CSR_VSIREG] = { "vsireg", aia_hmode, NULL, NULL, rmw_xireg }, | |
d1ceff40 | 4271 | |
c7de92b4 | 4272 | /* VS-Level Interrupts (H-extension with AIA) */ |
ac4b0302 | 4273 | [CSR_VSTOPEI] = { "vstopei", aia_hmode, NULL, NULL, rmw_xtopei }, |
df01af33 | 4274 | [CSR_VSTOPI] = { "vstopi", aia_hmode, read_vstopi }, |
ac4b0302 | 4275 | |
d028ac75 | 4276 | /* Hypervisor and VS-Level High-Half CSRs (H-extension with AIA) */ |
108c4f26 WL |
4277 | [CSR_HIDELEGH] = { "hidelegh", aia_hmode32, NULL, NULL, |
4278 | rmw_hidelegh }, | |
4279 | [CSR_HVIENH] = { "hvienh", aia_hmode32, read_zero, | |
4280 | write_ignore }, | |
d028ac75 | 4281 | [CSR_HVIPH] = { "hviph", aia_hmode32, NULL, NULL, rmw_hviph }, |
108c4f26 WL |
4282 | [CSR_HVIPRIO1H] = { "hviprio1h", aia_hmode32, read_hviprio1h, |
4283 | write_hviprio1h }, | |
4284 | [CSR_HVIPRIO2H] = { "hviprio2h", aia_hmode32, read_hviprio2h, | |
4285 | write_hviprio2h }, | |
d028ac75 AP |
4286 | [CSR_VSIEH] = { "vsieh", aia_hmode32, NULL, NULL, rmw_vsieh }, |
4287 | [CSR_VSIPH] = { "vsiph", aia_hmode32, NULL, NULL, rmw_vsiph }, | |
4288 | ||
c7b95171 | 4289 | /* Physical Memory Protection */ |
a4b2fa43 | 4290 | [CSR_MSECCFG] = { "mseccfg", epmp, read_mseccfg, write_mseccfg, |
108c4f26 | 4291 | .min_priv_ver = PRIV_VERSION_1_11_0 }, |
8ceac5dc BM |
4292 | [CSR_PMPCFG0] = { "pmpcfg0", pmp, read_pmpcfg, write_pmpcfg }, |
4293 | [CSR_PMPCFG1] = { "pmpcfg1", pmp, read_pmpcfg, write_pmpcfg }, | |
4294 | [CSR_PMPCFG2] = { "pmpcfg2", pmp, read_pmpcfg, write_pmpcfg }, | |
4295 | [CSR_PMPCFG3] = { "pmpcfg3", pmp, read_pmpcfg, write_pmpcfg }, | |
4296 | [CSR_PMPADDR0] = { "pmpaddr0", pmp, read_pmpaddr, write_pmpaddr }, | |
4297 | [CSR_PMPADDR1] = { "pmpaddr1", pmp, read_pmpaddr, write_pmpaddr }, | |
4298 | [CSR_PMPADDR2] = { "pmpaddr2", pmp, read_pmpaddr, write_pmpaddr }, | |
4299 | [CSR_PMPADDR3] = { "pmpaddr3", pmp, read_pmpaddr, write_pmpaddr }, | |
4300 | [CSR_PMPADDR4] = { "pmpaddr4", pmp, read_pmpaddr, write_pmpaddr }, | |
4301 | [CSR_PMPADDR5] = { "pmpaddr5", pmp, read_pmpaddr, write_pmpaddr }, | |
4302 | [CSR_PMPADDR6] = { "pmpaddr6", pmp, read_pmpaddr, write_pmpaddr }, | |
4303 | [CSR_PMPADDR7] = { "pmpaddr7", pmp, read_pmpaddr, write_pmpaddr }, | |
4304 | [CSR_PMPADDR8] = { "pmpaddr8", pmp, read_pmpaddr, write_pmpaddr }, | |
4305 | [CSR_PMPADDR9] = { "pmpaddr9", pmp, read_pmpaddr, write_pmpaddr }, | |
4306 | [CSR_PMPADDR10] = { "pmpaddr10", pmp, read_pmpaddr, write_pmpaddr }, | |
4307 | [CSR_PMPADDR11] = { "pmpaddr11", pmp, read_pmpaddr, write_pmpaddr }, | |
4308 | [CSR_PMPADDR12] = { "pmpaddr12", pmp, read_pmpaddr, write_pmpaddr }, | |
4309 | [CSR_PMPADDR13] = { "pmpaddr13", pmp, read_pmpaddr, write_pmpaddr }, | |
4310 | [CSR_PMPADDR14] = { "pmpaddr14", pmp, read_pmpaddr, write_pmpaddr }, | |
4311 | [CSR_PMPADDR15] = { "pmpaddr15", pmp, read_pmpaddr, write_pmpaddr }, | |
c7b95171 | 4312 | |
b6092544 BM |
4313 | /* Debug CSRs */ |
4314 | [CSR_TSELECT] = { "tselect", debug, read_tselect, write_tselect }, | |
4315 | [CSR_TDATA1] = { "tdata1", debug, read_tdata, write_tdata }, | |
4316 | [CSR_TDATA2] = { "tdata2", debug, read_tdata, write_tdata }, | |
4317 | [CSR_TDATA3] = { "tdata3", debug, read_tdata, write_tdata }, | |
31b9798d | 4318 | [CSR_TINFO] = { "tinfo", debug, read_tinfo, write_ignore }, |
b6092544 | 4319 | |
4bbe8033 | 4320 | /* User Pointer Masking */ |
108c4f26 WL |
4321 | [CSR_UMTE] = { "umte", pointer_masking, read_umte, write_umte }, |
4322 | [CSR_UPMMASK] = { "upmmask", pointer_masking, read_upmmask, | |
4323 | write_upmmask }, | |
4324 | [CSR_UPMBASE] = { "upmbase", pointer_masking, read_upmbase, | |
4325 | write_upmbase }, | |
4bbe8033 | 4326 | /* Machine Pointer Masking */ |
108c4f26 WL |
4327 | [CSR_MMTE] = { "mmte", pointer_masking, read_mmte, write_mmte }, |
4328 | [CSR_MPMMASK] = { "mpmmask", pointer_masking, read_mpmmask, | |
4329 | write_mpmmask }, | |
4330 | [CSR_MPMBASE] = { "mpmbase", pointer_masking, read_mpmbase, | |
4331 | write_mpmbase }, | |
4bbe8033 | 4332 | /* Supervisor Pointer Masking */ |
108c4f26 WL |
4333 | [CSR_SMTE] = { "smte", pointer_masking, read_smte, write_smte }, |
4334 | [CSR_SPMMASK] = { "spmmask", pointer_masking, read_spmmask, | |
4335 | write_spmmask }, | |
4336 | [CSR_SPMBASE] = { "spmbase", pointer_masking, read_spmbase, | |
4337 | write_spmbase }, | |
4bbe8033 | 4338 | |
c7b95171 | 4339 | /* Performance Counters */ |
621f35bb AP |
4340 | [CSR_HPMCOUNTER3] = { "hpmcounter3", ctr, read_hpmcounter }, |
4341 | [CSR_HPMCOUNTER4] = { "hpmcounter4", ctr, read_hpmcounter }, | |
4342 | [CSR_HPMCOUNTER5] = { "hpmcounter5", ctr, read_hpmcounter }, | |
4343 | [CSR_HPMCOUNTER6] = { "hpmcounter6", ctr, read_hpmcounter }, | |
4344 | [CSR_HPMCOUNTER7] = { "hpmcounter7", ctr, read_hpmcounter }, | |
4345 | [CSR_HPMCOUNTER8] = { "hpmcounter8", ctr, read_hpmcounter }, | |
4346 | [CSR_HPMCOUNTER9] = { "hpmcounter9", ctr, read_hpmcounter }, | |
4347 | [CSR_HPMCOUNTER10] = { "hpmcounter10", ctr, read_hpmcounter }, | |
4348 | [CSR_HPMCOUNTER11] = { "hpmcounter11", ctr, read_hpmcounter }, | |
4349 | [CSR_HPMCOUNTER12] = { "hpmcounter12", ctr, read_hpmcounter }, | |
4350 | [CSR_HPMCOUNTER13] = { "hpmcounter13", ctr, read_hpmcounter }, | |
4351 | [CSR_HPMCOUNTER14] = { "hpmcounter14", ctr, read_hpmcounter }, | |
4352 | [CSR_HPMCOUNTER15] = { "hpmcounter15", ctr, read_hpmcounter }, | |
4353 | [CSR_HPMCOUNTER16] = { "hpmcounter16", ctr, read_hpmcounter }, | |
4354 | [CSR_HPMCOUNTER17] = { "hpmcounter17", ctr, read_hpmcounter }, | |
4355 | [CSR_HPMCOUNTER18] = { "hpmcounter18", ctr, read_hpmcounter }, | |
4356 | [CSR_HPMCOUNTER19] = { "hpmcounter19", ctr, read_hpmcounter }, | |
4357 | [CSR_HPMCOUNTER20] = { "hpmcounter20", ctr, read_hpmcounter }, | |
4358 | [CSR_HPMCOUNTER21] = { "hpmcounter21", ctr, read_hpmcounter }, | |
4359 | [CSR_HPMCOUNTER22] = { "hpmcounter22", ctr, read_hpmcounter }, | |
4360 | [CSR_HPMCOUNTER23] = { "hpmcounter23", ctr, read_hpmcounter }, | |
4361 | [CSR_HPMCOUNTER24] = { "hpmcounter24", ctr, read_hpmcounter }, | |
4362 | [CSR_HPMCOUNTER25] = { "hpmcounter25", ctr, read_hpmcounter }, | |
4363 | [CSR_HPMCOUNTER26] = { "hpmcounter26", ctr, read_hpmcounter }, | |
4364 | [CSR_HPMCOUNTER27] = { "hpmcounter27", ctr, read_hpmcounter }, | |
4365 | [CSR_HPMCOUNTER28] = { "hpmcounter28", ctr, read_hpmcounter }, | |
4366 | [CSR_HPMCOUNTER29] = { "hpmcounter29", ctr, read_hpmcounter }, | |
4367 | [CSR_HPMCOUNTER30] = { "hpmcounter30", ctr, read_hpmcounter }, | |
4368 | [CSR_HPMCOUNTER31] = { "hpmcounter31", ctr, read_hpmcounter }, | |
4369 | ||
4370 | [CSR_MHPMCOUNTER3] = { "mhpmcounter3", mctr, read_hpmcounter, | |
108c4f26 | 4371 | write_mhpmcounter }, |
621f35bb | 4372 | [CSR_MHPMCOUNTER4] = { "mhpmcounter4", mctr, read_hpmcounter, |
108c4f26 | 4373 | write_mhpmcounter }, |
621f35bb | 4374 | [CSR_MHPMCOUNTER5] = { "mhpmcounter5", mctr, read_hpmcounter, |
108c4f26 | 4375 | write_mhpmcounter }, |
621f35bb | 4376 | [CSR_MHPMCOUNTER6] = { "mhpmcounter6", mctr, read_hpmcounter, |
108c4f26 | 4377 | write_mhpmcounter }, |
621f35bb | 4378 | [CSR_MHPMCOUNTER7] = { "mhpmcounter7", mctr, read_hpmcounter, |
108c4f26 | 4379 | write_mhpmcounter }, |
621f35bb | 4380 | [CSR_MHPMCOUNTER8] = { "mhpmcounter8", mctr, read_hpmcounter, |
108c4f26 | 4381 | write_mhpmcounter }, |
621f35bb | 4382 | [CSR_MHPMCOUNTER9] = { "mhpmcounter9", mctr, read_hpmcounter, |
108c4f26 | 4383 | write_mhpmcounter }, |
621f35bb | 4384 | [CSR_MHPMCOUNTER10] = { "mhpmcounter10", mctr, read_hpmcounter, |
108c4f26 | 4385 | write_mhpmcounter }, |
621f35bb | 4386 | [CSR_MHPMCOUNTER11] = { "mhpmcounter11", mctr, read_hpmcounter, |
108c4f26 | 4387 | write_mhpmcounter }, |
621f35bb | 4388 | [CSR_MHPMCOUNTER12] = { "mhpmcounter12", mctr, read_hpmcounter, |
108c4f26 | 4389 | write_mhpmcounter }, |
621f35bb | 4390 | [CSR_MHPMCOUNTER13] = { "mhpmcounter13", mctr, read_hpmcounter, |
108c4f26 | 4391 | write_mhpmcounter }, |
621f35bb | 4392 | [CSR_MHPMCOUNTER14] = { "mhpmcounter14", mctr, read_hpmcounter, |
108c4f26 | 4393 | write_mhpmcounter }, |
621f35bb | 4394 | [CSR_MHPMCOUNTER15] = { "mhpmcounter15", mctr, read_hpmcounter, |
108c4f26 | 4395 | write_mhpmcounter }, |
621f35bb | 4396 | [CSR_MHPMCOUNTER16] = { "mhpmcounter16", mctr, read_hpmcounter, |
108c4f26 | 4397 | write_mhpmcounter }, |
621f35bb | 4398 | [CSR_MHPMCOUNTER17] = { "mhpmcounter17", mctr, read_hpmcounter, |
108c4f26 | 4399 | write_mhpmcounter }, |
621f35bb | 4400 | [CSR_MHPMCOUNTER18] = { "mhpmcounter18", mctr, read_hpmcounter, |
108c4f26 | 4401 | write_mhpmcounter }, |
621f35bb | 4402 | [CSR_MHPMCOUNTER19] = { "mhpmcounter19", mctr, read_hpmcounter, |
108c4f26 | 4403 | write_mhpmcounter }, |
621f35bb | 4404 | [CSR_MHPMCOUNTER20] = { "mhpmcounter20", mctr, read_hpmcounter, |
108c4f26 | 4405 | write_mhpmcounter }, |
621f35bb | 4406 | [CSR_MHPMCOUNTER21] = { "mhpmcounter21", mctr, read_hpmcounter, |
108c4f26 | 4407 | write_mhpmcounter }, |
621f35bb | 4408 | [CSR_MHPMCOUNTER22] = { "mhpmcounter22", mctr, read_hpmcounter, |
108c4f26 | 4409 | write_mhpmcounter }, |
621f35bb | 4410 | [CSR_MHPMCOUNTER23] = { "mhpmcounter23", mctr, read_hpmcounter, |
108c4f26 | 4411 | write_mhpmcounter }, |
621f35bb | 4412 | [CSR_MHPMCOUNTER24] = { "mhpmcounter24", mctr, read_hpmcounter, |
108c4f26 | 4413 | write_mhpmcounter }, |
621f35bb | 4414 | [CSR_MHPMCOUNTER25] = { "mhpmcounter25", mctr, read_hpmcounter, |
108c4f26 | 4415 | write_mhpmcounter }, |
621f35bb | 4416 | [CSR_MHPMCOUNTER26] = { "mhpmcounter26", mctr, read_hpmcounter, |
108c4f26 | 4417 | write_mhpmcounter }, |
621f35bb | 4418 | [CSR_MHPMCOUNTER27] = { "mhpmcounter27", mctr, read_hpmcounter, |
108c4f26 | 4419 | write_mhpmcounter }, |
621f35bb | 4420 | [CSR_MHPMCOUNTER28] = { "mhpmcounter28", mctr, read_hpmcounter, |
108c4f26 | 4421 | write_mhpmcounter }, |
621f35bb | 4422 | [CSR_MHPMCOUNTER29] = { "mhpmcounter29", mctr, read_hpmcounter, |
108c4f26 | 4423 | write_mhpmcounter }, |
621f35bb | 4424 | [CSR_MHPMCOUNTER30] = { "mhpmcounter30", mctr, read_hpmcounter, |
108c4f26 | 4425 | write_mhpmcounter }, |
621f35bb | 4426 | [CSR_MHPMCOUNTER31] = { "mhpmcounter31", mctr, read_hpmcounter, |
108c4f26 | 4427 | write_mhpmcounter }, |
621f35bb AP |
4428 | |
4429 | [CSR_MCOUNTINHIBIT] = { "mcountinhibit", any, read_mcountinhibit, | |
108c4f26 WL |
4430 | write_mcountinhibit, |
4431 | .min_priv_ver = PRIV_VERSION_1_11_0 }, | |
621f35bb AP |
4432 | |
4433 | [CSR_MHPMEVENT3] = { "mhpmevent3", any, read_mhpmevent, | |
108c4f26 | 4434 | write_mhpmevent }, |
621f35bb | 4435 | [CSR_MHPMEVENT4] = { "mhpmevent4", any, read_mhpmevent, |
108c4f26 | 4436 | write_mhpmevent }, |
621f35bb | 4437 | [CSR_MHPMEVENT5] = { "mhpmevent5", any, read_mhpmevent, |
108c4f26 | 4438 | write_mhpmevent }, |
621f35bb | 4439 | [CSR_MHPMEVENT6] = { "mhpmevent6", any, read_mhpmevent, |
108c4f26 | 4440 | write_mhpmevent }, |
621f35bb | 4441 | [CSR_MHPMEVENT7] = { "mhpmevent7", any, read_mhpmevent, |
108c4f26 | 4442 | write_mhpmevent }, |
621f35bb | 4443 | [CSR_MHPMEVENT8] = { "mhpmevent8", any, read_mhpmevent, |
108c4f26 | 4444 | write_mhpmevent }, |
621f35bb | 4445 | [CSR_MHPMEVENT9] = { "mhpmevent9", any, read_mhpmevent, |
108c4f26 | 4446 | write_mhpmevent }, |
621f35bb | 4447 | [CSR_MHPMEVENT10] = { "mhpmevent10", any, read_mhpmevent, |
108c4f26 | 4448 | write_mhpmevent }, |
621f35bb | 4449 | [CSR_MHPMEVENT11] = { "mhpmevent11", any, read_mhpmevent, |
108c4f26 | 4450 | write_mhpmevent }, |
621f35bb | 4451 | [CSR_MHPMEVENT12] = { "mhpmevent12", any, read_mhpmevent, |
108c4f26 | 4452 | write_mhpmevent }, |
621f35bb | 4453 | [CSR_MHPMEVENT13] = { "mhpmevent13", any, read_mhpmevent, |
108c4f26 | 4454 | write_mhpmevent }, |
621f35bb | 4455 | [CSR_MHPMEVENT14] = { "mhpmevent14", any, read_mhpmevent, |
108c4f26 | 4456 | write_mhpmevent }, |
621f35bb | 4457 | [CSR_MHPMEVENT15] = { "mhpmevent15", any, read_mhpmevent, |
108c4f26 | 4458 | write_mhpmevent }, |
621f35bb | 4459 | [CSR_MHPMEVENT16] = { "mhpmevent16", any, read_mhpmevent, |
108c4f26 | 4460 | write_mhpmevent }, |
621f35bb | 4461 | [CSR_MHPMEVENT17] = { "mhpmevent17", any, read_mhpmevent, |
108c4f26 | 4462 | write_mhpmevent }, |
621f35bb | 4463 | [CSR_MHPMEVENT18] = { "mhpmevent18", any, read_mhpmevent, |
108c4f26 | 4464 | write_mhpmevent }, |
621f35bb | 4465 | [CSR_MHPMEVENT19] = { "mhpmevent19", any, read_mhpmevent, |
108c4f26 | 4466 | write_mhpmevent }, |
621f35bb | 4467 | [CSR_MHPMEVENT20] = { "mhpmevent20", any, read_mhpmevent, |
108c4f26 | 4468 | write_mhpmevent }, |
621f35bb | 4469 | [CSR_MHPMEVENT21] = { "mhpmevent21", any, read_mhpmevent, |
108c4f26 | 4470 | write_mhpmevent }, |
621f35bb | 4471 | [CSR_MHPMEVENT22] = { "mhpmevent22", any, read_mhpmevent, |
108c4f26 | 4472 | write_mhpmevent }, |
621f35bb | 4473 | [CSR_MHPMEVENT23] = { "mhpmevent23", any, read_mhpmevent, |
108c4f26 | 4474 | write_mhpmevent }, |
621f35bb | 4475 | [CSR_MHPMEVENT24] = { "mhpmevent24", any, read_mhpmevent, |
108c4f26 | 4476 | write_mhpmevent }, |
621f35bb | 4477 | [CSR_MHPMEVENT25] = { "mhpmevent25", any, read_mhpmevent, |
108c4f26 | 4478 | write_mhpmevent }, |
621f35bb | 4479 | [CSR_MHPMEVENT26] = { "mhpmevent26", any, read_mhpmevent, |
108c4f26 | 4480 | write_mhpmevent }, |
621f35bb | 4481 | [CSR_MHPMEVENT27] = { "mhpmevent27", any, read_mhpmevent, |
108c4f26 | 4482 | write_mhpmevent }, |
621f35bb | 4483 | [CSR_MHPMEVENT28] = { "mhpmevent28", any, read_mhpmevent, |
108c4f26 | 4484 | write_mhpmevent }, |
621f35bb | 4485 | [CSR_MHPMEVENT29] = { "mhpmevent29", any, read_mhpmevent, |
108c4f26 | 4486 | write_mhpmevent }, |
621f35bb | 4487 | [CSR_MHPMEVENT30] = { "mhpmevent30", any, read_mhpmevent, |
108c4f26 | 4488 | write_mhpmevent }, |
621f35bb | 4489 | [CSR_MHPMEVENT31] = { "mhpmevent31", any, read_mhpmevent, |
108c4f26 | 4490 | write_mhpmevent }, |
621f35bb | 4491 | |
14664483 | 4492 | [CSR_MHPMEVENT3H] = { "mhpmevent3h", sscofpmf, read_mhpmeventh, |
f0551560 AP |
4493 | write_mhpmeventh, |
4494 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
14664483 | 4495 | [CSR_MHPMEVENT4H] = { "mhpmevent4h", sscofpmf, read_mhpmeventh, |
f0551560 AP |
4496 | write_mhpmeventh, |
4497 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
14664483 | 4498 | [CSR_MHPMEVENT5H] = { "mhpmevent5h", sscofpmf, read_mhpmeventh, |
f0551560 AP |
4499 | write_mhpmeventh, |
4500 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
14664483 | 4501 | [CSR_MHPMEVENT6H] = { "mhpmevent6h", sscofpmf, read_mhpmeventh, |
f0551560 AP |
4502 | write_mhpmeventh, |
4503 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
14664483 | 4504 | [CSR_MHPMEVENT7H] = { "mhpmevent7h", sscofpmf, read_mhpmeventh, |
f0551560 AP |
4505 | write_mhpmeventh, |
4506 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
14664483 | 4507 | [CSR_MHPMEVENT8H] = { "mhpmevent8h", sscofpmf, read_mhpmeventh, |
f0551560 AP |
4508 | write_mhpmeventh, |
4509 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
14664483 | 4510 | [CSR_MHPMEVENT9H] = { "mhpmevent9h", sscofpmf, read_mhpmeventh, |
f0551560 AP |
4511 | write_mhpmeventh, |
4512 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
14664483 | 4513 | [CSR_MHPMEVENT10H] = { "mhpmevent10h", sscofpmf, read_mhpmeventh, |
f0551560 AP |
4514 | write_mhpmeventh, |
4515 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
14664483 | 4516 | [CSR_MHPMEVENT11H] = { "mhpmevent11h", sscofpmf, read_mhpmeventh, |
f0551560 AP |
4517 | write_mhpmeventh, |
4518 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
14664483 | 4519 | [CSR_MHPMEVENT12H] = { "mhpmevent12h", sscofpmf, read_mhpmeventh, |
f0551560 AP |
4520 | write_mhpmeventh, |
4521 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
14664483 | 4522 | [CSR_MHPMEVENT13H] = { "mhpmevent13h", sscofpmf, read_mhpmeventh, |
f0551560 AP |
4523 | write_mhpmeventh, |
4524 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
14664483 | 4525 | [CSR_MHPMEVENT14H] = { "mhpmevent14h", sscofpmf, read_mhpmeventh, |
f0551560 AP |
4526 | write_mhpmeventh, |
4527 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
14664483 | 4528 | [CSR_MHPMEVENT15H] = { "mhpmevent15h", sscofpmf, read_mhpmeventh, |
f0551560 AP |
4529 | write_mhpmeventh, |
4530 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
14664483 | 4531 | [CSR_MHPMEVENT16H] = { "mhpmevent16h", sscofpmf, read_mhpmeventh, |
f0551560 AP |
4532 | write_mhpmeventh, |
4533 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
14664483 | 4534 | [CSR_MHPMEVENT17H] = { "mhpmevent17h", sscofpmf, read_mhpmeventh, |
f0551560 AP |
4535 | write_mhpmeventh, |
4536 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
14664483 | 4537 | [CSR_MHPMEVENT18H] = { "mhpmevent18h", sscofpmf, read_mhpmeventh, |
f0551560 AP |
4538 | write_mhpmeventh, |
4539 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
14664483 | 4540 | [CSR_MHPMEVENT19H] = { "mhpmevent19h", sscofpmf, read_mhpmeventh, |
f0551560 AP |
4541 | write_mhpmeventh, |
4542 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
14664483 | 4543 | [CSR_MHPMEVENT20H] = { "mhpmevent20h", sscofpmf, read_mhpmeventh, |
f0551560 AP |
4544 | write_mhpmeventh, |
4545 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
14664483 | 4546 | [CSR_MHPMEVENT21H] = { "mhpmevent21h", sscofpmf, read_mhpmeventh, |
f0551560 AP |
4547 | write_mhpmeventh, |
4548 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
14664483 | 4549 | [CSR_MHPMEVENT22H] = { "mhpmevent22h", sscofpmf, read_mhpmeventh, |
f0551560 AP |
4550 | write_mhpmeventh, |
4551 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
14664483 | 4552 | [CSR_MHPMEVENT23H] = { "mhpmevent23h", sscofpmf, read_mhpmeventh, |
f0551560 AP |
4553 | write_mhpmeventh, |
4554 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
14664483 | 4555 | [CSR_MHPMEVENT24H] = { "mhpmevent24h", sscofpmf, read_mhpmeventh, |
f0551560 AP |
4556 | write_mhpmeventh, |
4557 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
14664483 | 4558 | [CSR_MHPMEVENT25H] = { "mhpmevent25h", sscofpmf, read_mhpmeventh, |
f0551560 AP |
4559 | write_mhpmeventh, |
4560 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
14664483 | 4561 | [CSR_MHPMEVENT26H] = { "mhpmevent26h", sscofpmf, read_mhpmeventh, |
f0551560 AP |
4562 | write_mhpmeventh, |
4563 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
14664483 | 4564 | [CSR_MHPMEVENT27H] = { "mhpmevent27h", sscofpmf, read_mhpmeventh, |
f0551560 AP |
4565 | write_mhpmeventh, |
4566 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
14664483 | 4567 | [CSR_MHPMEVENT28H] = { "mhpmevent28h", sscofpmf, read_mhpmeventh, |
f0551560 AP |
4568 | write_mhpmeventh, |
4569 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
14664483 | 4570 | [CSR_MHPMEVENT29H] = { "mhpmevent29h", sscofpmf, read_mhpmeventh, |
f0551560 AP |
4571 | write_mhpmeventh, |
4572 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
14664483 | 4573 | [CSR_MHPMEVENT30H] = { "mhpmevent30h", sscofpmf, read_mhpmeventh, |
f0551560 AP |
4574 | write_mhpmeventh, |
4575 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
14664483 | 4576 | [CSR_MHPMEVENT31H] = { "mhpmevent31h", sscofpmf, read_mhpmeventh, |
f0551560 AP |
4577 | write_mhpmeventh, |
4578 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
14664483 | 4579 | |
621f35bb AP |
4580 | [CSR_HPMCOUNTER3H] = { "hpmcounter3h", ctr32, read_hpmcounterh }, |
4581 | [CSR_HPMCOUNTER4H] = { "hpmcounter4h", ctr32, read_hpmcounterh }, | |
4582 | [CSR_HPMCOUNTER5H] = { "hpmcounter5h", ctr32, read_hpmcounterh }, | |
4583 | [CSR_HPMCOUNTER6H] = { "hpmcounter6h", ctr32, read_hpmcounterh }, | |
4584 | [CSR_HPMCOUNTER7H] = { "hpmcounter7h", ctr32, read_hpmcounterh }, | |
4585 | [CSR_HPMCOUNTER8H] = { "hpmcounter8h", ctr32, read_hpmcounterh }, | |
4586 | [CSR_HPMCOUNTER9H] = { "hpmcounter9h", ctr32, read_hpmcounterh }, | |
4587 | [CSR_HPMCOUNTER10H] = { "hpmcounter10h", ctr32, read_hpmcounterh }, | |
4588 | [CSR_HPMCOUNTER11H] = { "hpmcounter11h", ctr32, read_hpmcounterh }, | |
4589 | [CSR_HPMCOUNTER12H] = { "hpmcounter12h", ctr32, read_hpmcounterh }, | |
4590 | [CSR_HPMCOUNTER13H] = { "hpmcounter13h", ctr32, read_hpmcounterh }, | |
4591 | [CSR_HPMCOUNTER14H] = { "hpmcounter14h", ctr32, read_hpmcounterh }, | |
4592 | [CSR_HPMCOUNTER15H] = { "hpmcounter15h", ctr32, read_hpmcounterh }, | |
4593 | [CSR_HPMCOUNTER16H] = { "hpmcounter16h", ctr32, read_hpmcounterh }, | |
4594 | [CSR_HPMCOUNTER17H] = { "hpmcounter17h", ctr32, read_hpmcounterh }, | |
4595 | [CSR_HPMCOUNTER18H] = { "hpmcounter18h", ctr32, read_hpmcounterh }, | |
4596 | [CSR_HPMCOUNTER19H] = { "hpmcounter19h", ctr32, read_hpmcounterh }, | |
4597 | [CSR_HPMCOUNTER20H] = { "hpmcounter20h", ctr32, read_hpmcounterh }, | |
4598 | [CSR_HPMCOUNTER21H] = { "hpmcounter21h", ctr32, read_hpmcounterh }, | |
4599 | [CSR_HPMCOUNTER22H] = { "hpmcounter22h", ctr32, read_hpmcounterh }, | |
4600 | [CSR_HPMCOUNTER23H] = { "hpmcounter23h", ctr32, read_hpmcounterh }, | |
4601 | [CSR_HPMCOUNTER24H] = { "hpmcounter24h", ctr32, read_hpmcounterh }, | |
4602 | [CSR_HPMCOUNTER25H] = { "hpmcounter25h", ctr32, read_hpmcounterh }, | |
4603 | [CSR_HPMCOUNTER26H] = { "hpmcounter26h", ctr32, read_hpmcounterh }, | |
4604 | [CSR_HPMCOUNTER27H] = { "hpmcounter27h", ctr32, read_hpmcounterh }, | |
4605 | [CSR_HPMCOUNTER28H] = { "hpmcounter28h", ctr32, read_hpmcounterh }, | |
4606 | [CSR_HPMCOUNTER29H] = { "hpmcounter29h", ctr32, read_hpmcounterh }, | |
4607 | [CSR_HPMCOUNTER30H] = { "hpmcounter30h", ctr32, read_hpmcounterh }, | |
4608 | [CSR_HPMCOUNTER31H] = { "hpmcounter31h", ctr32, read_hpmcounterh }, | |
4609 | ||
4610 | [CSR_MHPMCOUNTER3H] = { "mhpmcounter3h", mctr32, read_hpmcounterh, | |
108c4f26 | 4611 | write_mhpmcounterh }, |
621f35bb | 4612 | [CSR_MHPMCOUNTER4H] = { "mhpmcounter4h", mctr32, read_hpmcounterh, |
108c4f26 | 4613 | write_mhpmcounterh }, |
621f35bb | 4614 | [CSR_MHPMCOUNTER5H] = { "mhpmcounter5h", mctr32, read_hpmcounterh, |
108c4f26 | 4615 | write_mhpmcounterh }, |
621f35bb | 4616 | [CSR_MHPMCOUNTER6H] = { "mhpmcounter6h", mctr32, read_hpmcounterh, |
108c4f26 | 4617 | write_mhpmcounterh }, |
621f35bb | 4618 | [CSR_MHPMCOUNTER7H] = { "mhpmcounter7h", mctr32, read_hpmcounterh, |
108c4f26 | 4619 | write_mhpmcounterh }, |
621f35bb | 4620 | [CSR_MHPMCOUNTER8H] = { "mhpmcounter8h", mctr32, read_hpmcounterh, |
108c4f26 | 4621 | write_mhpmcounterh }, |
621f35bb | 4622 | [CSR_MHPMCOUNTER9H] = { "mhpmcounter9h", mctr32, read_hpmcounterh, |
108c4f26 | 4623 | write_mhpmcounterh }, |
621f35bb | 4624 | [CSR_MHPMCOUNTER10H] = { "mhpmcounter10h", mctr32, read_hpmcounterh, |
108c4f26 | 4625 | write_mhpmcounterh }, |
621f35bb | 4626 | [CSR_MHPMCOUNTER11H] = { "mhpmcounter11h", mctr32, read_hpmcounterh, |
108c4f26 | 4627 | write_mhpmcounterh }, |
621f35bb | 4628 | [CSR_MHPMCOUNTER12H] = { "mhpmcounter12h", mctr32, read_hpmcounterh, |
108c4f26 | 4629 | write_mhpmcounterh }, |
621f35bb | 4630 | [CSR_MHPMCOUNTER13H] = { "mhpmcounter13h", mctr32, read_hpmcounterh, |
108c4f26 | 4631 | write_mhpmcounterh }, |
621f35bb | 4632 | [CSR_MHPMCOUNTER14H] = { "mhpmcounter14h", mctr32, read_hpmcounterh, |
108c4f26 | 4633 | write_mhpmcounterh }, |
621f35bb | 4634 | [CSR_MHPMCOUNTER15H] = { "mhpmcounter15h", mctr32, read_hpmcounterh, |
108c4f26 | 4635 | write_mhpmcounterh }, |
621f35bb | 4636 | [CSR_MHPMCOUNTER16H] = { "mhpmcounter16h", mctr32, read_hpmcounterh, |
108c4f26 | 4637 | write_mhpmcounterh }, |
621f35bb | 4638 | [CSR_MHPMCOUNTER17H] = { "mhpmcounter17h", mctr32, read_hpmcounterh, |
108c4f26 | 4639 | write_mhpmcounterh }, |
621f35bb | 4640 | [CSR_MHPMCOUNTER18H] = { "mhpmcounter18h", mctr32, read_hpmcounterh, |
108c4f26 | 4641 | write_mhpmcounterh }, |
621f35bb | 4642 | [CSR_MHPMCOUNTER19H] = { "mhpmcounter19h", mctr32, read_hpmcounterh, |
108c4f26 | 4643 | write_mhpmcounterh }, |
621f35bb | 4644 | [CSR_MHPMCOUNTER20H] = { "mhpmcounter20h", mctr32, read_hpmcounterh, |
108c4f26 | 4645 | write_mhpmcounterh }, |
621f35bb | 4646 | [CSR_MHPMCOUNTER21H] = { "mhpmcounter21h", mctr32, read_hpmcounterh, |
108c4f26 | 4647 | write_mhpmcounterh }, |
621f35bb | 4648 | [CSR_MHPMCOUNTER22H] = { "mhpmcounter22h", mctr32, read_hpmcounterh, |
108c4f26 | 4649 | write_mhpmcounterh }, |
621f35bb | 4650 | [CSR_MHPMCOUNTER23H] = { "mhpmcounter23h", mctr32, read_hpmcounterh, |
108c4f26 | 4651 | write_mhpmcounterh }, |
621f35bb | 4652 | [CSR_MHPMCOUNTER24H] = { "mhpmcounter24h", mctr32, read_hpmcounterh, |
108c4f26 | 4653 | write_mhpmcounterh }, |
621f35bb | 4654 | [CSR_MHPMCOUNTER25H] = { "mhpmcounter25h", mctr32, read_hpmcounterh, |
108c4f26 | 4655 | write_mhpmcounterh }, |
621f35bb | 4656 | [CSR_MHPMCOUNTER26H] = { "mhpmcounter26h", mctr32, read_hpmcounterh, |
108c4f26 | 4657 | write_mhpmcounterh }, |
621f35bb | 4658 | [CSR_MHPMCOUNTER27H] = { "mhpmcounter27h", mctr32, read_hpmcounterh, |
108c4f26 | 4659 | write_mhpmcounterh }, |
621f35bb | 4660 | [CSR_MHPMCOUNTER28H] = { "mhpmcounter28h", mctr32, read_hpmcounterh, |
108c4f26 | 4661 | write_mhpmcounterh }, |
621f35bb | 4662 | [CSR_MHPMCOUNTER29H] = { "mhpmcounter29h", mctr32, read_hpmcounterh, |
108c4f26 | 4663 | write_mhpmcounterh }, |
621f35bb | 4664 | [CSR_MHPMCOUNTER30H] = { "mhpmcounter30h", mctr32, read_hpmcounterh, |
108c4f26 | 4665 | write_mhpmcounterh }, |
621f35bb | 4666 | [CSR_MHPMCOUNTER31H] = { "mhpmcounter31h", mctr32, read_hpmcounterh, |
108c4f26 | 4667 | write_mhpmcounterh }, |
f0551560 AP |
4668 | [CSR_SCOUNTOVF] = { "scountovf", sscofpmf, read_scountovf, |
4669 | .min_priv_ver = PRIV_VERSION_1_12_0 }, | |
14664483 | 4670 | |
c7b95171 MC |
4671 | #endif /* !CONFIG_USER_ONLY */ |
4672 | }; |