xref: /openbmc/qemu/target/riscv/cpu_bits.h (revision 3ec0fe18)
1 /* RISC-V ISA constants */
2 
3 #ifndef TARGET_RISCV_CPU_BITS_H
4 #define TARGET_RISCV_CPU_BITS_H
5 
6 #define get_field(reg, mask) (((reg) & \
7                  (uint64_t)(mask)) / ((mask) & ~((mask) << 1)))
8 #define set_field(reg, mask, val) (((reg) & ~(uint64_t)(mask)) | \
9                  (((uint64_t)(val) * ((mask) & ~((mask) << 1))) & \
10                  (uint64_t)(mask)))
11 
12 /* Floating point round mode */
13 #define FSR_RD_SHIFT        5
14 #define FSR_RD              (0x7 << FSR_RD_SHIFT)
15 
16 /* Floating point accrued exception flags */
17 #define FPEXC_NX            0x01
18 #define FPEXC_UF            0x02
19 #define FPEXC_OF            0x04
20 #define FPEXC_DZ            0x08
21 #define FPEXC_NV            0x10
22 
23 /* Floating point status register bits */
24 #define FSR_AEXC_SHIFT      0
25 #define FSR_NVA             (FPEXC_NV << FSR_AEXC_SHIFT)
26 #define FSR_OFA             (FPEXC_OF << FSR_AEXC_SHIFT)
27 #define FSR_UFA             (FPEXC_UF << FSR_AEXC_SHIFT)
28 #define FSR_DZA             (FPEXC_DZ << FSR_AEXC_SHIFT)
29 #define FSR_NXA             (FPEXC_NX << FSR_AEXC_SHIFT)
30 #define FSR_AEXC            (FSR_NVA | FSR_OFA | FSR_UFA | FSR_DZA | FSR_NXA)
31 
32 /* Vector Fixed-Point round model */
33 #define FSR_VXRM_SHIFT      9
34 #define FSR_VXRM            (0x3 << FSR_VXRM_SHIFT)
35 
36 /* Vector Fixed-Point saturation flag */
37 #define FSR_VXSAT_SHIFT     8
38 #define FSR_VXSAT           (0x1 << FSR_VXSAT_SHIFT)
39 
40 /* Control and Status Registers */
41 
42 /* User Trap Setup */
43 #define CSR_USTATUS         0x000
44 #define CSR_UIE             0x004
45 #define CSR_UTVEC           0x005
46 
47 /* User Trap Handling */
48 #define CSR_USCRATCH        0x040
49 #define CSR_UEPC            0x041
50 #define CSR_UCAUSE          0x042
51 #define CSR_UTVAL           0x043
52 #define CSR_UIP             0x044
53 
54 /* User Floating-Point CSRs */
55 #define CSR_FFLAGS          0x001
56 #define CSR_FRM             0x002
57 #define CSR_FCSR            0x003
58 
59 /* User Vector CSRs */
60 #define CSR_VSTART          0x008
61 #define CSR_VXSAT           0x009
62 #define CSR_VXRM            0x00a
63 #define CSR_VCSR            0x00f
64 #define CSR_VL              0xc20
65 #define CSR_VTYPE           0xc21
66 #define CSR_VLENB           0xc22
67 
68 /* VCSR fields */
69 #define VCSR_VXSAT_SHIFT    0
70 #define VCSR_VXSAT          (0x1 << VCSR_VXSAT_SHIFT)
71 #define VCSR_VXRM_SHIFT     1
72 #define VCSR_VXRM           (0x3 << VCSR_VXRM_SHIFT)
73 
74 /* User Timers and Counters */
75 #define CSR_CYCLE           0xc00
76 #define CSR_TIME            0xc01
77 #define CSR_INSTRET         0xc02
78 #define CSR_HPMCOUNTER3     0xc03
79 #define CSR_HPMCOUNTER4     0xc04
80 #define CSR_HPMCOUNTER5     0xc05
81 #define CSR_HPMCOUNTER6     0xc06
82 #define CSR_HPMCOUNTER7     0xc07
83 #define CSR_HPMCOUNTER8     0xc08
84 #define CSR_HPMCOUNTER9     0xc09
85 #define CSR_HPMCOUNTER10    0xc0a
86 #define CSR_HPMCOUNTER11    0xc0b
87 #define CSR_HPMCOUNTER12    0xc0c
88 #define CSR_HPMCOUNTER13    0xc0d
89 #define CSR_HPMCOUNTER14    0xc0e
90 #define CSR_HPMCOUNTER15    0xc0f
91 #define CSR_HPMCOUNTER16    0xc10
92 #define CSR_HPMCOUNTER17    0xc11
93 #define CSR_HPMCOUNTER18    0xc12
94 #define CSR_HPMCOUNTER19    0xc13
95 #define CSR_HPMCOUNTER20    0xc14
96 #define CSR_HPMCOUNTER21    0xc15
97 #define CSR_HPMCOUNTER22    0xc16
98 #define CSR_HPMCOUNTER23    0xc17
99 #define CSR_HPMCOUNTER24    0xc18
100 #define CSR_HPMCOUNTER25    0xc19
101 #define CSR_HPMCOUNTER26    0xc1a
102 #define CSR_HPMCOUNTER27    0xc1b
103 #define CSR_HPMCOUNTER28    0xc1c
104 #define CSR_HPMCOUNTER29    0xc1d
105 #define CSR_HPMCOUNTER30    0xc1e
106 #define CSR_HPMCOUNTER31    0xc1f
107 #define CSR_CYCLEH          0xc80
108 #define CSR_TIMEH           0xc81
109 #define CSR_INSTRETH        0xc82
110 #define CSR_HPMCOUNTER3H    0xc83
111 #define CSR_HPMCOUNTER4H    0xc84
112 #define CSR_HPMCOUNTER5H    0xc85
113 #define CSR_HPMCOUNTER6H    0xc86
114 #define CSR_HPMCOUNTER7H    0xc87
115 #define CSR_HPMCOUNTER8H    0xc88
116 #define CSR_HPMCOUNTER9H    0xc89
117 #define CSR_HPMCOUNTER10H   0xc8a
118 #define CSR_HPMCOUNTER11H   0xc8b
119 #define CSR_HPMCOUNTER12H   0xc8c
120 #define CSR_HPMCOUNTER13H   0xc8d
121 #define CSR_HPMCOUNTER14H   0xc8e
122 #define CSR_HPMCOUNTER15H   0xc8f
123 #define CSR_HPMCOUNTER16H   0xc90
124 #define CSR_HPMCOUNTER17H   0xc91
125 #define CSR_HPMCOUNTER18H   0xc92
126 #define CSR_HPMCOUNTER19H   0xc93
127 #define CSR_HPMCOUNTER20H   0xc94
128 #define CSR_HPMCOUNTER21H   0xc95
129 #define CSR_HPMCOUNTER22H   0xc96
130 #define CSR_HPMCOUNTER23H   0xc97
131 #define CSR_HPMCOUNTER24H   0xc98
132 #define CSR_HPMCOUNTER25H   0xc99
133 #define CSR_HPMCOUNTER26H   0xc9a
134 #define CSR_HPMCOUNTER27H   0xc9b
135 #define CSR_HPMCOUNTER28H   0xc9c
136 #define CSR_HPMCOUNTER29H   0xc9d
137 #define CSR_HPMCOUNTER30H   0xc9e
138 #define CSR_HPMCOUNTER31H   0xc9f
139 
140 /* Machine Timers and Counters */
141 #define CSR_MCYCLE          0xb00
142 #define CSR_MINSTRET        0xb02
143 #define CSR_MCYCLEH         0xb80
144 #define CSR_MINSTRETH       0xb82
145 
146 /* Machine Information Registers */
147 #define CSR_MVENDORID       0xf11
148 #define CSR_MARCHID         0xf12
149 #define CSR_MIMPID          0xf13
150 #define CSR_MHARTID         0xf14
151 #define CSR_MCONFIGPTR      0xf15
152 
153 /* Machine Trap Setup */
154 #define CSR_MSTATUS         0x300
155 #define CSR_MISA            0x301
156 #define CSR_MEDELEG         0x302
157 #define CSR_MIDELEG         0x303
158 #define CSR_MIE             0x304
159 #define CSR_MTVEC           0x305
160 #define CSR_MCOUNTEREN      0x306
161 
162 /* 32-bit only */
163 #define CSR_MSTATUSH        0x310
164 
165 /* Machine Trap Handling */
166 #define CSR_MSCRATCH        0x340
167 #define CSR_MEPC            0x341
168 #define CSR_MCAUSE          0x342
169 #define CSR_MTVAL           0x343
170 #define CSR_MIP             0x344
171 
172 /* Machine-Level Window to Indirectly Accessed Registers (AIA) */
173 #define CSR_MISELECT        0x350
174 #define CSR_MIREG           0x351
175 
176 /* Machine-Level Interrupts (AIA) */
177 #define CSR_MTOPEI          0x35c
178 #define CSR_MTOPI           0xfb0
179 
180 /* Virtual Interrupts for Supervisor Level (AIA) */
181 #define CSR_MVIEN           0x308
182 #define CSR_MVIP            0x309
183 
184 /* Machine-Level High-Half CSRs (AIA) */
185 #define CSR_MIDELEGH        0x313
186 #define CSR_MIEH            0x314
187 #define CSR_MVIENH          0x318
188 #define CSR_MVIPH           0x319
189 #define CSR_MIPH            0x354
190 
191 /* Supervisor Trap Setup */
192 #define CSR_SSTATUS         0x100
193 #define CSR_SEDELEG         0x102
194 #define CSR_SIDELEG         0x103
195 #define CSR_SIE             0x104
196 #define CSR_STVEC           0x105
197 #define CSR_SCOUNTEREN      0x106
198 
199 /* Supervisor Configuration CSRs */
200 #define CSR_SENVCFG         0x10A
201 
202 /* Supervisor Trap Handling */
203 #define CSR_SSCRATCH        0x140
204 #define CSR_SEPC            0x141
205 #define CSR_SCAUSE          0x142
206 #define CSR_STVAL           0x143
207 #define CSR_SIP             0x144
208 
209 /* Sstc supervisor CSRs */
210 #define CSR_STIMECMP        0x14D
211 #define CSR_STIMECMPH       0x15D
212 
213 /* Supervisor Protection and Translation */
214 #define CSR_SPTBR           0x180
215 #define CSR_SATP            0x180
216 
217 /* Supervisor-Level Window to Indirectly Accessed Registers (AIA) */
218 #define CSR_SISELECT        0x150
219 #define CSR_SIREG           0x151
220 
221 /* Supervisor-Level Interrupts (AIA) */
222 #define CSR_STOPEI          0x15c
223 #define CSR_STOPI           0xdb0
224 
225 /* Supervisor-Level High-Half CSRs (AIA) */
226 #define CSR_SIEH            0x114
227 #define CSR_SIPH            0x154
228 
229 /* Hpervisor CSRs */
230 #define CSR_HSTATUS         0x600
231 #define CSR_HEDELEG         0x602
232 #define CSR_HIDELEG         0x603
233 #define CSR_HIE             0x604
234 #define CSR_HCOUNTEREN      0x606
235 #define CSR_HGEIE           0x607
236 #define CSR_HTVAL           0x643
237 #define CSR_HVIP            0x645
238 #define CSR_HIP             0x644
239 #define CSR_HTINST          0x64A
240 #define CSR_HGEIP           0xE12
241 #define CSR_HGATP           0x680
242 #define CSR_HTIMEDELTA      0x605
243 #define CSR_HTIMEDELTAH     0x615
244 
245 /* Hypervisor Configuration CSRs */
246 #define CSR_HENVCFG         0x60A
247 #define CSR_HENVCFGH        0x61A
248 
249 /* Virtual CSRs */
250 #define CSR_VSSTATUS        0x200
251 #define CSR_VSIE            0x204
252 #define CSR_VSTVEC          0x205
253 #define CSR_VSSCRATCH       0x240
254 #define CSR_VSEPC           0x241
255 #define CSR_VSCAUSE         0x242
256 #define CSR_VSTVAL          0x243
257 #define CSR_VSIP            0x244
258 #define CSR_VSATP           0x280
259 
260 /* Sstc virtual CSRs */
261 #define CSR_VSTIMECMP       0x24D
262 #define CSR_VSTIMECMPH      0x25D
263 
264 #define CSR_MTINST          0x34a
265 #define CSR_MTVAL2          0x34b
266 
267 /* Virtual Interrupts and Interrupt Priorities (H-extension with AIA) */
268 #define CSR_HVIEN           0x608
269 #define CSR_HVICTL          0x609
270 #define CSR_HVIPRIO1        0x646
271 #define CSR_HVIPRIO2        0x647
272 
273 /* VS-Level Window to Indirectly Accessed Registers (H-extension with AIA) */
274 #define CSR_VSISELECT       0x250
275 #define CSR_VSIREG          0x251
276 
277 /* VS-Level Interrupts (H-extension with AIA) */
278 #define CSR_VSTOPEI         0x25c
279 #define CSR_VSTOPI          0xeb0
280 
281 /* Hypervisor and VS-Level High-Half CSRs (H-extension with AIA) */
282 #define CSR_HIDELEGH        0x613
283 #define CSR_HVIENH          0x618
284 #define CSR_HVIPH           0x655
285 #define CSR_HVIPRIO1H       0x656
286 #define CSR_HVIPRIO2H       0x657
287 #define CSR_VSIEH           0x214
288 #define CSR_VSIPH           0x254
289 
290 /* Machine Configuration CSRs */
291 #define CSR_MENVCFG         0x30A
292 #define CSR_MENVCFGH        0x31A
293 
294 /* Enhanced Physical Memory Protection (ePMP) */
295 #define CSR_MSECCFG         0x747
296 #define CSR_MSECCFGH        0x757
297 /* Physical Memory Protection */
298 #define CSR_PMPCFG0         0x3a0
299 #define CSR_PMPCFG1         0x3a1
300 #define CSR_PMPCFG2         0x3a2
301 #define CSR_PMPCFG3         0x3a3
302 #define CSR_PMPADDR0        0x3b0
303 #define CSR_PMPADDR1        0x3b1
304 #define CSR_PMPADDR2        0x3b2
305 #define CSR_PMPADDR3        0x3b3
306 #define CSR_PMPADDR4        0x3b4
307 #define CSR_PMPADDR5        0x3b5
308 #define CSR_PMPADDR6        0x3b6
309 #define CSR_PMPADDR7        0x3b7
310 #define CSR_PMPADDR8        0x3b8
311 #define CSR_PMPADDR9        0x3b9
312 #define CSR_PMPADDR10       0x3ba
313 #define CSR_PMPADDR11       0x3bb
314 #define CSR_PMPADDR12       0x3bc
315 #define CSR_PMPADDR13       0x3bd
316 #define CSR_PMPADDR14       0x3be
317 #define CSR_PMPADDR15       0x3bf
318 
319 /* Debug/Trace Registers (shared with Debug Mode) */
320 #define CSR_TSELECT         0x7a0
321 #define CSR_TDATA1          0x7a1
322 #define CSR_TDATA2          0x7a2
323 #define CSR_TDATA3          0x7a3
324 
325 /* Debug Mode Registers */
326 #define CSR_DCSR            0x7b0
327 #define CSR_DPC             0x7b1
328 #define CSR_DSCRATCH        0x7b2
329 
330 /* Performance Counters */
331 #define CSR_MHPMCOUNTER3    0xb03
332 #define CSR_MHPMCOUNTER4    0xb04
333 #define CSR_MHPMCOUNTER5    0xb05
334 #define CSR_MHPMCOUNTER6    0xb06
335 #define CSR_MHPMCOUNTER7    0xb07
336 #define CSR_MHPMCOUNTER8    0xb08
337 #define CSR_MHPMCOUNTER9    0xb09
338 #define CSR_MHPMCOUNTER10   0xb0a
339 #define CSR_MHPMCOUNTER11   0xb0b
340 #define CSR_MHPMCOUNTER12   0xb0c
341 #define CSR_MHPMCOUNTER13   0xb0d
342 #define CSR_MHPMCOUNTER14   0xb0e
343 #define CSR_MHPMCOUNTER15   0xb0f
344 #define CSR_MHPMCOUNTER16   0xb10
345 #define CSR_MHPMCOUNTER17   0xb11
346 #define CSR_MHPMCOUNTER18   0xb12
347 #define CSR_MHPMCOUNTER19   0xb13
348 #define CSR_MHPMCOUNTER20   0xb14
349 #define CSR_MHPMCOUNTER21   0xb15
350 #define CSR_MHPMCOUNTER22   0xb16
351 #define CSR_MHPMCOUNTER23   0xb17
352 #define CSR_MHPMCOUNTER24   0xb18
353 #define CSR_MHPMCOUNTER25   0xb19
354 #define CSR_MHPMCOUNTER26   0xb1a
355 #define CSR_MHPMCOUNTER27   0xb1b
356 #define CSR_MHPMCOUNTER28   0xb1c
357 #define CSR_MHPMCOUNTER29   0xb1d
358 #define CSR_MHPMCOUNTER30   0xb1e
359 #define CSR_MHPMCOUNTER31   0xb1f
360 
361 /* Machine counter-inhibit register */
362 #define CSR_MCOUNTINHIBIT   0x320
363 
364 #define CSR_MHPMEVENT3      0x323
365 #define CSR_MHPMEVENT4      0x324
366 #define CSR_MHPMEVENT5      0x325
367 #define CSR_MHPMEVENT6      0x326
368 #define CSR_MHPMEVENT7      0x327
369 #define CSR_MHPMEVENT8      0x328
370 #define CSR_MHPMEVENT9      0x329
371 #define CSR_MHPMEVENT10     0x32a
372 #define CSR_MHPMEVENT11     0x32b
373 #define CSR_MHPMEVENT12     0x32c
374 #define CSR_MHPMEVENT13     0x32d
375 #define CSR_MHPMEVENT14     0x32e
376 #define CSR_MHPMEVENT15     0x32f
377 #define CSR_MHPMEVENT16     0x330
378 #define CSR_MHPMEVENT17     0x331
379 #define CSR_MHPMEVENT18     0x332
380 #define CSR_MHPMEVENT19     0x333
381 #define CSR_MHPMEVENT20     0x334
382 #define CSR_MHPMEVENT21     0x335
383 #define CSR_MHPMEVENT22     0x336
384 #define CSR_MHPMEVENT23     0x337
385 #define CSR_MHPMEVENT24     0x338
386 #define CSR_MHPMEVENT25     0x339
387 #define CSR_MHPMEVENT26     0x33a
388 #define CSR_MHPMEVENT27     0x33b
389 #define CSR_MHPMEVENT28     0x33c
390 #define CSR_MHPMEVENT29     0x33d
391 #define CSR_MHPMEVENT30     0x33e
392 #define CSR_MHPMEVENT31     0x33f
393 #define CSR_MHPMCOUNTER3H   0xb83
394 #define CSR_MHPMCOUNTER4H   0xb84
395 #define CSR_MHPMCOUNTER5H   0xb85
396 #define CSR_MHPMCOUNTER6H   0xb86
397 #define CSR_MHPMCOUNTER7H   0xb87
398 #define CSR_MHPMCOUNTER8H   0xb88
399 #define CSR_MHPMCOUNTER9H   0xb89
400 #define CSR_MHPMCOUNTER10H  0xb8a
401 #define CSR_MHPMCOUNTER11H  0xb8b
402 #define CSR_MHPMCOUNTER12H  0xb8c
403 #define CSR_MHPMCOUNTER13H  0xb8d
404 #define CSR_MHPMCOUNTER14H  0xb8e
405 #define CSR_MHPMCOUNTER15H  0xb8f
406 #define CSR_MHPMCOUNTER16H  0xb90
407 #define CSR_MHPMCOUNTER17H  0xb91
408 #define CSR_MHPMCOUNTER18H  0xb92
409 #define CSR_MHPMCOUNTER19H  0xb93
410 #define CSR_MHPMCOUNTER20H  0xb94
411 #define CSR_MHPMCOUNTER21H  0xb95
412 #define CSR_MHPMCOUNTER22H  0xb96
413 #define CSR_MHPMCOUNTER23H  0xb97
414 #define CSR_MHPMCOUNTER24H  0xb98
415 #define CSR_MHPMCOUNTER25H  0xb99
416 #define CSR_MHPMCOUNTER26H  0xb9a
417 #define CSR_MHPMCOUNTER27H  0xb9b
418 #define CSR_MHPMCOUNTER28H  0xb9c
419 #define CSR_MHPMCOUNTER29H  0xb9d
420 #define CSR_MHPMCOUNTER30H  0xb9e
421 #define CSR_MHPMCOUNTER31H  0xb9f
422 
423 /*
424  * User PointerMasking registers
425  * NB: actual CSR numbers might be changed in future
426  */
427 #define CSR_UMTE            0x4c0
428 #define CSR_UPMMASK         0x4c1
429 #define CSR_UPMBASE         0x4c2
430 
431 /*
432  * Machine PointerMasking registers
433  * NB: actual CSR numbers might be changed in future
434  */
435 #define CSR_MMTE            0x3c0
436 #define CSR_MPMMASK         0x3c1
437 #define CSR_MPMBASE         0x3c2
438 
439 /*
440  * Supervisor PointerMaster registers
441  * NB: actual CSR numbers might be changed in future
442  */
443 #define CSR_SMTE            0x1c0
444 #define CSR_SPMMASK         0x1c1
445 #define CSR_SPMBASE         0x1c2
446 
447 /*
448  * Hypervisor PointerMaster registers
449  * NB: actual CSR numbers might be changed in future
450  */
451 #define CSR_VSMTE           0x2c0
452 #define CSR_VSPMMASK        0x2c1
453 #define CSR_VSPMBASE        0x2c2
454 
455 /* Crypto Extension */
456 #define CSR_SEED            0x015
457 
458 /* mstatus CSR bits */
459 #define MSTATUS_UIE         0x00000001
460 #define MSTATUS_SIE         0x00000002
461 #define MSTATUS_MIE         0x00000008
462 #define MSTATUS_UPIE        0x00000010
463 #define MSTATUS_SPIE        0x00000020
464 #define MSTATUS_UBE         0x00000040
465 #define MSTATUS_MPIE        0x00000080
466 #define MSTATUS_SPP         0x00000100
467 #define MSTATUS_VS          0x00000600
468 #define MSTATUS_MPP         0x00001800
469 #define MSTATUS_FS          0x00006000
470 #define MSTATUS_XS          0x00018000
471 #define MSTATUS_MPRV        0x00020000
472 #define MSTATUS_SUM         0x00040000 /* since: priv-1.10 */
473 #define MSTATUS_MXR         0x00080000
474 #define MSTATUS_TVM         0x00100000 /* since: priv-1.10 */
475 #define MSTATUS_TW          0x00200000 /* since: priv-1.10 */
476 #define MSTATUS_TSR         0x00400000 /* since: priv-1.10 */
477 #define MSTATUS_GVA         0x4000000000ULL
478 #define MSTATUS_MPV         0x8000000000ULL
479 
480 #define MSTATUS64_UXL       0x0000000300000000ULL
481 #define MSTATUS64_SXL       0x0000000C00000000ULL
482 
483 #define MSTATUS32_SD        0x80000000
484 #define MSTATUS64_SD        0x8000000000000000ULL
485 #define MSTATUSH128_SD      0x8000000000000000ULL
486 
487 #define MISA32_MXL          0xC0000000
488 #define MISA64_MXL          0xC000000000000000ULL
489 
490 typedef enum {
491     MXL_RV32  = 1,
492     MXL_RV64  = 2,
493     MXL_RV128 = 3,
494 } RISCVMXL;
495 
496 /* sstatus CSR bits */
497 #define SSTATUS_UIE         0x00000001
498 #define SSTATUS_SIE         0x00000002
499 #define SSTATUS_UPIE        0x00000010
500 #define SSTATUS_SPIE        0x00000020
501 #define SSTATUS_SPP         0x00000100
502 #define SSTATUS_VS          0x00000600
503 #define SSTATUS_FS          0x00006000
504 #define SSTATUS_XS          0x00018000
505 #define SSTATUS_SUM         0x00040000 /* since: priv-1.10 */
506 #define SSTATUS_MXR         0x00080000
507 
508 #define SSTATUS64_UXL       0x0000000300000000ULL
509 
510 #define SSTATUS32_SD        0x80000000
511 #define SSTATUS64_SD        0x8000000000000000ULL
512 
513 /* hstatus CSR bits */
514 #define HSTATUS_VSBE         0x00000020
515 #define HSTATUS_GVA          0x00000040
516 #define HSTATUS_SPV          0x00000080
517 #define HSTATUS_SPVP         0x00000100
518 #define HSTATUS_HU           0x00000200
519 #define HSTATUS_VGEIN        0x0003F000
520 #define HSTATUS_VTVM         0x00100000
521 #define HSTATUS_VTW          0x00200000
522 #define HSTATUS_VTSR         0x00400000
523 #define HSTATUS_VSXL         0x300000000
524 
525 #define HSTATUS32_WPRI       0xFF8FF87E
526 #define HSTATUS64_WPRI       0xFFFFFFFFFF8FF87EULL
527 
528 #define COUNTEREN_CY         (1 << 0)
529 #define COUNTEREN_TM         (1 << 1)
530 #define COUNTEREN_IR         (1 << 2)
531 #define COUNTEREN_HPM3       (1 << 3)
532 
533 /* vsstatus CSR bits */
534 #define VSSTATUS64_UXL       0x0000000300000000ULL
535 
536 /* Privilege modes */
537 #define PRV_U 0
538 #define PRV_S 1
539 #define PRV_H 2 /* Reserved */
540 #define PRV_M 3
541 
542 /* Virtulisation Register Fields */
543 #define VIRT_ONOFF          1
544 
545 /* RV32 satp CSR field masks */
546 #define SATP32_MODE         0x80000000
547 #define SATP32_ASID         0x7fc00000
548 #define SATP32_PPN          0x003fffff
549 
550 /* RV64 satp CSR field masks */
551 #define SATP64_MODE         0xF000000000000000ULL
552 #define SATP64_ASID         0x0FFFF00000000000ULL
553 #define SATP64_PPN          0x00000FFFFFFFFFFFULL
554 
555 /* VM modes (satp.mode) privileged ISA 1.10 */
556 #define VM_1_10_MBARE       0
557 #define VM_1_10_SV32        1
558 #define VM_1_10_SV39        8
559 #define VM_1_10_SV48        9
560 #define VM_1_10_SV57        10
561 #define VM_1_10_SV64        11
562 
563 /* Page table entry (PTE) fields */
564 #define PTE_V               0x001 /* Valid */
565 #define PTE_R               0x002 /* Read */
566 #define PTE_W               0x004 /* Write */
567 #define PTE_X               0x008 /* Execute */
568 #define PTE_U               0x010 /* User */
569 #define PTE_G               0x020 /* Global */
570 #define PTE_A               0x040 /* Accessed */
571 #define PTE_D               0x080 /* Dirty */
572 #define PTE_SOFT            0x300 /* Reserved for Software */
573 #define PTE_PBMT            0x6000000000000000ULL /* Page-based memory types */
574 #define PTE_N               0x8000000000000000ULL /* NAPOT translation */
575 #define PTE_ATTR            (PTE_N | PTE_PBMT) /* All attributes bits */
576 
577 /* Page table PPN shift amount */
578 #define PTE_PPN_SHIFT       10
579 
580 /* Page table PPN mask */
581 #define PTE_PPN_MASK        0x3FFFFFFFFFFC00ULL
582 
583 /* Leaf page shift amount */
584 #define PGSHIFT             12
585 
586 /* Default Reset Vector adress */
587 #define DEFAULT_RSTVEC      0x1000
588 
589 /* Exception causes */
590 typedef enum RISCVException {
591     RISCV_EXCP_NONE = -1, /* sentinel value */
592     RISCV_EXCP_INST_ADDR_MIS = 0x0,
593     RISCV_EXCP_INST_ACCESS_FAULT = 0x1,
594     RISCV_EXCP_ILLEGAL_INST = 0x2,
595     RISCV_EXCP_BREAKPOINT = 0x3,
596     RISCV_EXCP_LOAD_ADDR_MIS = 0x4,
597     RISCV_EXCP_LOAD_ACCESS_FAULT = 0x5,
598     RISCV_EXCP_STORE_AMO_ADDR_MIS = 0x6,
599     RISCV_EXCP_STORE_AMO_ACCESS_FAULT = 0x7,
600     RISCV_EXCP_U_ECALL = 0x8,
601     RISCV_EXCP_S_ECALL = 0x9,
602     RISCV_EXCP_VS_ECALL = 0xa,
603     RISCV_EXCP_M_ECALL = 0xb,
604     RISCV_EXCP_INST_PAGE_FAULT = 0xc, /* since: priv-1.10.0 */
605     RISCV_EXCP_LOAD_PAGE_FAULT = 0xd, /* since: priv-1.10.0 */
606     RISCV_EXCP_STORE_PAGE_FAULT = 0xf, /* since: priv-1.10.0 */
607     RISCV_EXCP_SEMIHOST = 0x10,
608     RISCV_EXCP_INST_GUEST_PAGE_FAULT = 0x14,
609     RISCV_EXCP_LOAD_GUEST_ACCESS_FAULT = 0x15,
610     RISCV_EXCP_VIRT_INSTRUCTION_FAULT = 0x16,
611     RISCV_EXCP_STORE_GUEST_AMO_ACCESS_FAULT = 0x17,
612 } RISCVException;
613 
614 #define RISCV_EXCP_INT_FLAG                0x80000000
615 #define RISCV_EXCP_INT_MASK                0x7fffffff
616 
617 /* Interrupt causes */
618 #define IRQ_U_SOFT                         0
619 #define IRQ_S_SOFT                         1
620 #define IRQ_VS_SOFT                        2
621 #define IRQ_M_SOFT                         3
622 #define IRQ_U_TIMER                        4
623 #define IRQ_S_TIMER                        5
624 #define IRQ_VS_TIMER                       6
625 #define IRQ_M_TIMER                        7
626 #define IRQ_U_EXT                          8
627 #define IRQ_S_EXT                          9
628 #define IRQ_VS_EXT                         10
629 #define IRQ_M_EXT                          11
630 #define IRQ_S_GEXT                         12
631 #define IRQ_LOCAL_MAX                      16
632 #define IRQ_LOCAL_GUEST_MAX                (TARGET_LONG_BITS - 1)
633 
634 /* mip masks */
635 #define MIP_USIP                           (1 << IRQ_U_SOFT)
636 #define MIP_SSIP                           (1 << IRQ_S_SOFT)
637 #define MIP_VSSIP                          (1 << IRQ_VS_SOFT)
638 #define MIP_MSIP                           (1 << IRQ_M_SOFT)
639 #define MIP_UTIP                           (1 << IRQ_U_TIMER)
640 #define MIP_STIP                           (1 << IRQ_S_TIMER)
641 #define MIP_VSTIP                          (1 << IRQ_VS_TIMER)
642 #define MIP_MTIP                           (1 << IRQ_M_TIMER)
643 #define MIP_UEIP                           (1 << IRQ_U_EXT)
644 #define MIP_SEIP                           (1 << IRQ_S_EXT)
645 #define MIP_VSEIP                          (1 << IRQ_VS_EXT)
646 #define MIP_MEIP                           (1 << IRQ_M_EXT)
647 #define MIP_SGEIP                          (1 << IRQ_S_GEXT)
648 
649 /* sip masks */
650 #define SIP_SSIP                           MIP_SSIP
651 #define SIP_STIP                           MIP_STIP
652 #define SIP_SEIP                           MIP_SEIP
653 
654 /* MIE masks */
655 #define MIE_SEIE                           (1 << IRQ_S_EXT)
656 #define MIE_UEIE                           (1 << IRQ_U_EXT)
657 #define MIE_STIE                           (1 << IRQ_S_TIMER)
658 #define MIE_UTIE                           (1 << IRQ_U_TIMER)
659 #define MIE_SSIE                           (1 << IRQ_S_SOFT)
660 #define MIE_USIE                           (1 << IRQ_U_SOFT)
661 
662 /* General PointerMasking CSR bits*/
663 #define PM_ENABLE       0x00000001ULL
664 #define PM_CURRENT      0x00000002ULL
665 #define PM_INSN         0x00000004ULL
666 #define PM_XS_MASK      0x00000003ULL
667 
668 /* PointerMasking XS bits values */
669 #define PM_EXT_DISABLE  0x00000000ULL
670 #define PM_EXT_INITIAL  0x00000001ULL
671 #define PM_EXT_CLEAN    0x00000002ULL
672 #define PM_EXT_DIRTY    0x00000003ULL
673 
674 /* Execution enviornment configuration bits */
675 #define MENVCFG_FIOM                       BIT(0)
676 #define MENVCFG_CBIE                       (3UL << 4)
677 #define MENVCFG_CBCFE                      BIT(6)
678 #define MENVCFG_CBZE                       BIT(7)
679 #define MENVCFG_PBMTE                      (1ULL << 62)
680 #define MENVCFG_STCE                       (1ULL << 63)
681 
682 /* For RV32 */
683 #define MENVCFGH_PBMTE                     BIT(30)
684 #define MENVCFGH_STCE                      BIT(31)
685 
686 #define SENVCFG_FIOM                       MENVCFG_FIOM
687 #define SENVCFG_CBIE                       MENVCFG_CBIE
688 #define SENVCFG_CBCFE                      MENVCFG_CBCFE
689 #define SENVCFG_CBZE                       MENVCFG_CBZE
690 
691 #define HENVCFG_FIOM                       MENVCFG_FIOM
692 #define HENVCFG_CBIE                       MENVCFG_CBIE
693 #define HENVCFG_CBCFE                      MENVCFG_CBCFE
694 #define HENVCFG_CBZE                       MENVCFG_CBZE
695 #define HENVCFG_PBMTE                      MENVCFG_PBMTE
696 #define HENVCFG_STCE                       MENVCFG_STCE
697 
698 /* For RV32 */
699 #define HENVCFGH_PBMTE                      MENVCFGH_PBMTE
700 #define HENVCFGH_STCE                       MENVCFGH_STCE
701 
702 /* Offsets for every pair of control bits per each priv level */
703 #define XS_OFFSET    0ULL
704 #define U_OFFSET     2ULL
705 #define S_OFFSET     5ULL
706 #define M_OFFSET     8ULL
707 
708 #define PM_XS_BITS   (PM_XS_MASK << XS_OFFSET)
709 #define U_PM_ENABLE  (PM_ENABLE  << U_OFFSET)
710 #define U_PM_CURRENT (PM_CURRENT << U_OFFSET)
711 #define U_PM_INSN    (PM_INSN    << U_OFFSET)
712 #define S_PM_ENABLE  (PM_ENABLE  << S_OFFSET)
713 #define S_PM_CURRENT (PM_CURRENT << S_OFFSET)
714 #define S_PM_INSN    (PM_INSN    << S_OFFSET)
715 #define M_PM_ENABLE  (PM_ENABLE  << M_OFFSET)
716 #define M_PM_CURRENT (PM_CURRENT << M_OFFSET)
717 #define M_PM_INSN    (PM_INSN    << M_OFFSET)
718 
719 /* mmte CSR bits */
720 #define MMTE_PM_XS_BITS     PM_XS_BITS
721 #define MMTE_U_PM_ENABLE    U_PM_ENABLE
722 #define MMTE_U_PM_CURRENT   U_PM_CURRENT
723 #define MMTE_U_PM_INSN      U_PM_INSN
724 #define MMTE_S_PM_ENABLE    S_PM_ENABLE
725 #define MMTE_S_PM_CURRENT   S_PM_CURRENT
726 #define MMTE_S_PM_INSN      S_PM_INSN
727 #define MMTE_M_PM_ENABLE    M_PM_ENABLE
728 #define MMTE_M_PM_CURRENT   M_PM_CURRENT
729 #define MMTE_M_PM_INSN      M_PM_INSN
730 #define MMTE_MASK    (MMTE_U_PM_ENABLE | MMTE_U_PM_CURRENT | MMTE_U_PM_INSN | \
731                       MMTE_S_PM_ENABLE | MMTE_S_PM_CURRENT | MMTE_S_PM_INSN | \
732                       MMTE_M_PM_ENABLE | MMTE_M_PM_CURRENT | MMTE_M_PM_INSN | \
733                       MMTE_PM_XS_BITS)
734 
735 /* (v)smte CSR bits */
736 #define SMTE_PM_XS_BITS     PM_XS_BITS
737 #define SMTE_U_PM_ENABLE    U_PM_ENABLE
738 #define SMTE_U_PM_CURRENT   U_PM_CURRENT
739 #define SMTE_U_PM_INSN      U_PM_INSN
740 #define SMTE_S_PM_ENABLE    S_PM_ENABLE
741 #define SMTE_S_PM_CURRENT   S_PM_CURRENT
742 #define SMTE_S_PM_INSN      S_PM_INSN
743 #define SMTE_MASK    (SMTE_U_PM_ENABLE | SMTE_U_PM_CURRENT | SMTE_U_PM_INSN | \
744                       SMTE_S_PM_ENABLE | SMTE_S_PM_CURRENT | SMTE_S_PM_INSN | \
745                       SMTE_PM_XS_BITS)
746 
747 /* umte CSR bits */
748 #define UMTE_U_PM_ENABLE    U_PM_ENABLE
749 #define UMTE_U_PM_CURRENT   U_PM_CURRENT
750 #define UMTE_U_PM_INSN      U_PM_INSN
751 #define UMTE_MASK     (UMTE_U_PM_ENABLE | MMTE_U_PM_CURRENT | UMTE_U_PM_INSN)
752 
753 /* MISELECT, SISELECT, and VSISELECT bits (AIA) */
754 #define ISELECT_IPRIO0                     0x30
755 #define ISELECT_IPRIO15                    0x3f
756 #define ISELECT_IMSIC_EIDELIVERY           0x70
757 #define ISELECT_IMSIC_EITHRESHOLD          0x72
758 #define ISELECT_IMSIC_EIP0                 0x80
759 #define ISELECT_IMSIC_EIP63                0xbf
760 #define ISELECT_IMSIC_EIE0                 0xc0
761 #define ISELECT_IMSIC_EIE63                0xff
762 #define ISELECT_IMSIC_FIRST                ISELECT_IMSIC_EIDELIVERY
763 #define ISELECT_IMSIC_LAST                 ISELECT_IMSIC_EIE63
764 #define ISELECT_MASK                       0x1ff
765 
766 /* Dummy [M|S|VS]ISELECT value for emulating [M|S|VS]TOPEI CSRs */
767 #define ISELECT_IMSIC_TOPEI                (ISELECT_MASK + 1)
768 
769 /* IMSIC bits (AIA) */
770 #define IMSIC_TOPEI_IID_SHIFT              16
771 #define IMSIC_TOPEI_IID_MASK               0x7ff
772 #define IMSIC_TOPEI_IPRIO_MASK             0x7ff
773 #define IMSIC_EIPx_BITS                    32
774 #define IMSIC_EIEx_BITS                    32
775 
776 /* MTOPI and STOPI bits (AIA) */
777 #define TOPI_IID_SHIFT                     16
778 #define TOPI_IID_MASK                      0xfff
779 #define TOPI_IPRIO_MASK                    0xff
780 
781 /* Interrupt priority bits (AIA) */
782 #define IPRIO_IRQ_BITS                     8
783 #define IPRIO_MMAXIPRIO                    255
784 #define IPRIO_DEFAULT_UPPER                4
785 #define IPRIO_DEFAULT_MIDDLE               (IPRIO_DEFAULT_UPPER + 12)
786 #define IPRIO_DEFAULT_M                    IPRIO_DEFAULT_MIDDLE
787 #define IPRIO_DEFAULT_S                    (IPRIO_DEFAULT_M + 3)
788 #define IPRIO_DEFAULT_SGEXT                (IPRIO_DEFAULT_S + 3)
789 #define IPRIO_DEFAULT_VS                   (IPRIO_DEFAULT_SGEXT + 1)
790 #define IPRIO_DEFAULT_LOWER                (IPRIO_DEFAULT_VS + 3)
791 
792 /* HVICTL bits (AIA) */
793 #define HVICTL_VTI                         0x40000000
794 #define HVICTL_IID                         0x0fff0000
795 #define HVICTL_IPRIOM                      0x00000100
796 #define HVICTL_IPRIO                       0x000000ff
797 #define HVICTL_VALID_MASK                  \
798     (HVICTL_VTI | HVICTL_IID | HVICTL_IPRIOM | HVICTL_IPRIO)
799 
800 /* seed CSR bits */
801 #define SEED_OPST                        (0b11 << 30)
802 #define SEED_OPST_BIST                   (0b00 << 30)
803 #define SEED_OPST_WAIT                   (0b01 << 30)
804 #define SEED_OPST_ES16                   (0b10 << 30)
805 #define SEED_OPST_DEAD                   (0b11 << 30)
806 #endif
807