xref: /openbmc/qemu/target/riscv/cpu_bits.h (revision 3e6a417c)
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_MTOPI           0xfb0
178 
179 /* Machine-Level IMSIC Interface (AIA) */
180 #define CSR_MSETEIPNUM      0x358
181 #define CSR_MCLREIPNUM      0x359
182 #define CSR_MSETEIENUM      0x35a
183 #define CSR_MCLREIENUM      0x35b
184 #define CSR_MTOPEI          0x35c
185 
186 /* Virtual Interrupts for Supervisor Level (AIA) */
187 #define CSR_MVIEN           0x308
188 #define CSR_MVIP            0x309
189 
190 /* Machine-Level High-Half CSRs (AIA) */
191 #define CSR_MIDELEGH        0x313
192 #define CSR_MIEH            0x314
193 #define CSR_MVIENH          0x318
194 #define CSR_MVIPH           0x319
195 #define CSR_MIPH            0x354
196 
197 /* Supervisor Trap Setup */
198 #define CSR_SSTATUS         0x100
199 #define CSR_SEDELEG         0x102
200 #define CSR_SIDELEG         0x103
201 #define CSR_SIE             0x104
202 #define CSR_STVEC           0x105
203 #define CSR_SCOUNTEREN      0x106
204 
205 /* Supervisor Trap Handling */
206 #define CSR_SSCRATCH        0x140
207 #define CSR_SEPC            0x141
208 #define CSR_SCAUSE          0x142
209 #define CSR_STVAL           0x143
210 #define CSR_SIP             0x144
211 
212 /* Supervisor Protection and Translation */
213 #define CSR_SPTBR           0x180
214 #define CSR_SATP            0x180
215 
216 /* Supervisor-Level Window to Indirectly Accessed Registers (AIA) */
217 #define CSR_SISELECT        0x150
218 #define CSR_SIREG           0x151
219 
220 /* Supervisor-Level Interrupts (AIA) */
221 #define CSR_STOPI           0xdb0
222 
223 /* Supervisor-Level IMSIC Interface (AIA) */
224 #define CSR_SSETEIPNUM      0x158
225 #define CSR_SCLREIPNUM      0x159
226 #define CSR_SSETEIENUM      0x15a
227 #define CSR_SCLREIENUM      0x15b
228 #define CSR_STOPEI          0x15c
229 
230 /* Supervisor-Level High-Half CSRs (AIA) */
231 #define CSR_SIEH            0x114
232 #define CSR_SIPH            0x154
233 
234 /* Hpervisor CSRs */
235 #define CSR_HSTATUS         0x600
236 #define CSR_HEDELEG         0x602
237 #define CSR_HIDELEG         0x603
238 #define CSR_HIE             0x604
239 #define CSR_HCOUNTEREN      0x606
240 #define CSR_HGEIE           0x607
241 #define CSR_HTVAL           0x643
242 #define CSR_HVIP            0x645
243 #define CSR_HIP             0x644
244 #define CSR_HTINST          0x64A
245 #define CSR_HGEIP           0xE12
246 #define CSR_HGATP           0x680
247 #define CSR_HTIMEDELTA      0x605
248 #define CSR_HTIMEDELTAH     0x615
249 
250 /* Virtual CSRs */
251 #define CSR_VSSTATUS        0x200
252 #define CSR_VSIE            0x204
253 #define CSR_VSTVEC          0x205
254 #define CSR_VSSCRATCH       0x240
255 #define CSR_VSEPC           0x241
256 #define CSR_VSCAUSE         0x242
257 #define CSR_VSTVAL          0x243
258 #define CSR_VSIP            0x244
259 #define CSR_VSATP           0x280
260 
261 #define CSR_MTINST          0x34a
262 #define CSR_MTVAL2          0x34b
263 
264 /* Virtual Interrupts and Interrupt Priorities (H-extension with AIA) */
265 #define CSR_HVIEN           0x608
266 #define CSR_HVICTL          0x609
267 #define CSR_HVIPRIO1        0x646
268 #define CSR_HVIPRIO2        0x647
269 
270 /* VS-Level Window to Indirectly Accessed Registers (H-extension with AIA) */
271 #define CSR_VSISELECT       0x250
272 #define CSR_VSIREG          0x251
273 
274 /* VS-Level Interrupts (H-extension with AIA) */
275 #define CSR_VSTOPI          0xeb0
276 
277 /* VS-Level IMSIC Interface (H-extension with AIA) */
278 #define CSR_VSSETEIPNUM     0x258
279 #define CSR_VSCLREIPNUM     0x259
280 #define CSR_VSSETEIENUM     0x25a
281 #define CSR_VSCLREIENUM     0x25b
282 #define CSR_VSTOPEI         0x25c
283 
284 /* Hypervisor and VS-Level High-Half CSRs (H-extension with AIA) */
285 #define CSR_HIDELEGH        0x613
286 #define CSR_HVIENH          0x618
287 #define CSR_HVIPH           0x655
288 #define CSR_HVIPRIO1H       0x656
289 #define CSR_HVIPRIO2H       0x657
290 #define CSR_VSIEH           0x214
291 #define CSR_VSIPH           0x254
292 
293 /* Enhanced Physical Memory Protection (ePMP) */
294 #define CSR_MSECCFG         0x747
295 #define CSR_MSECCFGH        0x757
296 /* Physical Memory Protection */
297 #define CSR_PMPCFG0         0x3a0
298 #define CSR_PMPCFG1         0x3a1
299 #define CSR_PMPCFG2         0x3a2
300 #define CSR_PMPCFG3         0x3a3
301 #define CSR_PMPADDR0        0x3b0
302 #define CSR_PMPADDR1        0x3b1
303 #define CSR_PMPADDR2        0x3b2
304 #define CSR_PMPADDR3        0x3b3
305 #define CSR_PMPADDR4        0x3b4
306 #define CSR_PMPADDR5        0x3b5
307 #define CSR_PMPADDR6        0x3b6
308 #define CSR_PMPADDR7        0x3b7
309 #define CSR_PMPADDR8        0x3b8
310 #define CSR_PMPADDR9        0x3b9
311 #define CSR_PMPADDR10       0x3ba
312 #define CSR_PMPADDR11       0x3bb
313 #define CSR_PMPADDR12       0x3bc
314 #define CSR_PMPADDR13       0x3bd
315 #define CSR_PMPADDR14       0x3be
316 #define CSR_PMPADDR15       0x3bf
317 
318 /* Debug/Trace Registers (shared with Debug Mode) */
319 #define CSR_TSELECT         0x7a0
320 #define CSR_TDATA1          0x7a1
321 #define CSR_TDATA2          0x7a2
322 #define CSR_TDATA3          0x7a3
323 
324 /* Debug Mode Registers */
325 #define CSR_DCSR            0x7b0
326 #define CSR_DPC             0x7b1
327 #define CSR_DSCRATCH        0x7b2
328 
329 /* Performance Counters */
330 #define CSR_MHPMCOUNTER3    0xb03
331 #define CSR_MHPMCOUNTER4    0xb04
332 #define CSR_MHPMCOUNTER5    0xb05
333 #define CSR_MHPMCOUNTER6    0xb06
334 #define CSR_MHPMCOUNTER7    0xb07
335 #define CSR_MHPMCOUNTER8    0xb08
336 #define CSR_MHPMCOUNTER9    0xb09
337 #define CSR_MHPMCOUNTER10   0xb0a
338 #define CSR_MHPMCOUNTER11   0xb0b
339 #define CSR_MHPMCOUNTER12   0xb0c
340 #define CSR_MHPMCOUNTER13   0xb0d
341 #define CSR_MHPMCOUNTER14   0xb0e
342 #define CSR_MHPMCOUNTER15   0xb0f
343 #define CSR_MHPMCOUNTER16   0xb10
344 #define CSR_MHPMCOUNTER17   0xb11
345 #define CSR_MHPMCOUNTER18   0xb12
346 #define CSR_MHPMCOUNTER19   0xb13
347 #define CSR_MHPMCOUNTER20   0xb14
348 #define CSR_MHPMCOUNTER21   0xb15
349 #define CSR_MHPMCOUNTER22   0xb16
350 #define CSR_MHPMCOUNTER23   0xb17
351 #define CSR_MHPMCOUNTER24   0xb18
352 #define CSR_MHPMCOUNTER25   0xb19
353 #define CSR_MHPMCOUNTER26   0xb1a
354 #define CSR_MHPMCOUNTER27   0xb1b
355 #define CSR_MHPMCOUNTER28   0xb1c
356 #define CSR_MHPMCOUNTER29   0xb1d
357 #define CSR_MHPMCOUNTER30   0xb1e
358 #define CSR_MHPMCOUNTER31   0xb1f
359 #define CSR_MHPMEVENT3      0x323
360 #define CSR_MHPMEVENT4      0x324
361 #define CSR_MHPMEVENT5      0x325
362 #define CSR_MHPMEVENT6      0x326
363 #define CSR_MHPMEVENT7      0x327
364 #define CSR_MHPMEVENT8      0x328
365 #define CSR_MHPMEVENT9      0x329
366 #define CSR_MHPMEVENT10     0x32a
367 #define CSR_MHPMEVENT11     0x32b
368 #define CSR_MHPMEVENT12     0x32c
369 #define CSR_MHPMEVENT13     0x32d
370 #define CSR_MHPMEVENT14     0x32e
371 #define CSR_MHPMEVENT15     0x32f
372 #define CSR_MHPMEVENT16     0x330
373 #define CSR_MHPMEVENT17     0x331
374 #define CSR_MHPMEVENT18     0x332
375 #define CSR_MHPMEVENT19     0x333
376 #define CSR_MHPMEVENT20     0x334
377 #define CSR_MHPMEVENT21     0x335
378 #define CSR_MHPMEVENT22     0x336
379 #define CSR_MHPMEVENT23     0x337
380 #define CSR_MHPMEVENT24     0x338
381 #define CSR_MHPMEVENT25     0x339
382 #define CSR_MHPMEVENT26     0x33a
383 #define CSR_MHPMEVENT27     0x33b
384 #define CSR_MHPMEVENT28     0x33c
385 #define CSR_MHPMEVENT29     0x33d
386 #define CSR_MHPMEVENT30     0x33e
387 #define CSR_MHPMEVENT31     0x33f
388 #define CSR_MHPMCOUNTER3H   0xb83
389 #define CSR_MHPMCOUNTER4H   0xb84
390 #define CSR_MHPMCOUNTER5H   0xb85
391 #define CSR_MHPMCOUNTER6H   0xb86
392 #define CSR_MHPMCOUNTER7H   0xb87
393 #define CSR_MHPMCOUNTER8H   0xb88
394 #define CSR_MHPMCOUNTER9H   0xb89
395 #define CSR_MHPMCOUNTER10H  0xb8a
396 #define CSR_MHPMCOUNTER11H  0xb8b
397 #define CSR_MHPMCOUNTER12H  0xb8c
398 #define CSR_MHPMCOUNTER13H  0xb8d
399 #define CSR_MHPMCOUNTER14H  0xb8e
400 #define CSR_MHPMCOUNTER15H  0xb8f
401 #define CSR_MHPMCOUNTER16H  0xb90
402 #define CSR_MHPMCOUNTER17H  0xb91
403 #define CSR_MHPMCOUNTER18H  0xb92
404 #define CSR_MHPMCOUNTER19H  0xb93
405 #define CSR_MHPMCOUNTER20H  0xb94
406 #define CSR_MHPMCOUNTER21H  0xb95
407 #define CSR_MHPMCOUNTER22H  0xb96
408 #define CSR_MHPMCOUNTER23H  0xb97
409 #define CSR_MHPMCOUNTER24H  0xb98
410 #define CSR_MHPMCOUNTER25H  0xb99
411 #define CSR_MHPMCOUNTER26H  0xb9a
412 #define CSR_MHPMCOUNTER27H  0xb9b
413 #define CSR_MHPMCOUNTER28H  0xb9c
414 #define CSR_MHPMCOUNTER29H  0xb9d
415 #define CSR_MHPMCOUNTER30H  0xb9e
416 #define CSR_MHPMCOUNTER31H  0xb9f
417 
418 /*
419  * User PointerMasking registers
420  * NB: actual CSR numbers might be changed in future
421  */
422 #define CSR_UMTE            0x4c0
423 #define CSR_UPMMASK         0x4c1
424 #define CSR_UPMBASE         0x4c2
425 
426 /*
427  * Machine PointerMasking registers
428  * NB: actual CSR numbers might be changed in future
429  */
430 #define CSR_MMTE            0x3c0
431 #define CSR_MPMMASK         0x3c1
432 #define CSR_MPMBASE         0x3c2
433 
434 /*
435  * Supervisor PointerMaster registers
436  * NB: actual CSR numbers might be changed in future
437  */
438 #define CSR_SMTE            0x1c0
439 #define CSR_SPMMASK         0x1c1
440 #define CSR_SPMBASE         0x1c2
441 
442 /*
443  * Hypervisor PointerMaster registers
444  * NB: actual CSR numbers might be changed in future
445  */
446 #define CSR_VSMTE           0x2c0
447 #define CSR_VSPMMASK        0x2c1
448 #define CSR_VSPMBASE        0x2c2
449 
450 /* mstatus CSR bits */
451 #define MSTATUS_UIE         0x00000001
452 #define MSTATUS_SIE         0x00000002
453 #define MSTATUS_MIE         0x00000008
454 #define MSTATUS_UPIE        0x00000010
455 #define MSTATUS_SPIE        0x00000020
456 #define MSTATUS_UBE         0x00000040
457 #define MSTATUS_MPIE        0x00000080
458 #define MSTATUS_SPP         0x00000100
459 #define MSTATUS_VS          0x00000600
460 #define MSTATUS_MPP         0x00001800
461 #define MSTATUS_FS          0x00006000
462 #define MSTATUS_XS          0x00018000
463 #define MSTATUS_MPRV        0x00020000
464 #define MSTATUS_SUM         0x00040000 /* since: priv-1.10 */
465 #define MSTATUS_MXR         0x00080000
466 #define MSTATUS_TVM         0x00100000 /* since: priv-1.10 */
467 #define MSTATUS_TW          0x00200000 /* since: priv-1.10 */
468 #define MSTATUS_TSR         0x00400000 /* since: priv-1.10 */
469 #define MSTATUS_GVA         0x4000000000ULL
470 #define MSTATUS_MPV         0x8000000000ULL
471 
472 #define MSTATUS64_UXL       0x0000000300000000ULL
473 #define MSTATUS64_SXL       0x0000000C00000000ULL
474 
475 #define MSTATUS32_SD        0x80000000
476 #define MSTATUS64_SD        0x8000000000000000ULL
477 #define MSTATUSH128_SD      0x8000000000000000ULL
478 
479 #define MISA32_MXL          0xC0000000
480 #define MISA64_MXL          0xC000000000000000ULL
481 
482 typedef enum {
483     MXL_RV32  = 1,
484     MXL_RV64  = 2,
485     MXL_RV128 = 3,
486 } RISCVMXL;
487 
488 /* sstatus CSR bits */
489 #define SSTATUS_UIE         0x00000001
490 #define SSTATUS_SIE         0x00000002
491 #define SSTATUS_UPIE        0x00000010
492 #define SSTATUS_SPIE        0x00000020
493 #define SSTATUS_SPP         0x00000100
494 #define SSTATUS_VS          0x00000600
495 #define SSTATUS_FS          0x00006000
496 #define SSTATUS_XS          0x00018000
497 #define SSTATUS_SUM         0x00040000 /* since: priv-1.10 */
498 #define SSTATUS_MXR         0x00080000
499 
500 #define SSTATUS64_UXL       0x0000000300000000ULL
501 
502 #define SSTATUS32_SD        0x80000000
503 #define SSTATUS64_SD        0x8000000000000000ULL
504 
505 /* hstatus CSR bits */
506 #define HSTATUS_VSBE         0x00000020
507 #define HSTATUS_GVA          0x00000040
508 #define HSTATUS_SPV          0x00000080
509 #define HSTATUS_SPVP         0x00000100
510 #define HSTATUS_HU           0x00000200
511 #define HSTATUS_VGEIN        0x0003F000
512 #define HSTATUS_VTVM         0x00100000
513 #define HSTATUS_VTW          0x00200000
514 #define HSTATUS_VTSR         0x00400000
515 #define HSTATUS_VSXL         0x300000000
516 
517 #define HSTATUS32_WPRI       0xFF8FF87E
518 #define HSTATUS64_WPRI       0xFFFFFFFFFF8FF87EULL
519 
520 #define COUNTEREN_CY         (1 << 0)
521 #define COUNTEREN_TM         (1 << 1)
522 #define COUNTEREN_IR         (1 << 2)
523 #define COUNTEREN_HPM3       (1 << 3)
524 
525 /* vsstatus CSR bits */
526 #define VSSTATUS64_UXL       0x0000000300000000ULL
527 
528 /* Privilege modes */
529 #define PRV_U 0
530 #define PRV_S 1
531 #define PRV_H 2 /* Reserved */
532 #define PRV_M 3
533 
534 /* Virtulisation Register Fields */
535 #define VIRT_ONOFF          1
536 
537 /* RV32 satp CSR field masks */
538 #define SATP32_MODE         0x80000000
539 #define SATP32_ASID         0x7fc00000
540 #define SATP32_PPN          0x003fffff
541 
542 /* RV64 satp CSR field masks */
543 #define SATP64_MODE         0xF000000000000000ULL
544 #define SATP64_ASID         0x0FFFF00000000000ULL
545 #define SATP64_PPN          0x00000FFFFFFFFFFFULL
546 
547 /* VM modes (satp.mode) privileged ISA 1.10 */
548 #define VM_1_10_MBARE       0
549 #define VM_1_10_SV32        1
550 #define VM_1_10_SV39        8
551 #define VM_1_10_SV48        9
552 #define VM_1_10_SV57        10
553 #define VM_1_10_SV64        11
554 
555 /* Page table entry (PTE) fields */
556 #define PTE_V               0x001 /* Valid */
557 #define PTE_R               0x002 /* Read */
558 #define PTE_W               0x004 /* Write */
559 #define PTE_X               0x008 /* Execute */
560 #define PTE_U               0x010 /* User */
561 #define PTE_G               0x020 /* Global */
562 #define PTE_A               0x040 /* Accessed */
563 #define PTE_D               0x080 /* Dirty */
564 #define PTE_SOFT            0x300 /* Reserved for Software */
565 #define PTE_PBMT            0x6000000000000000ULL /* Page-based memory types */
566 #define PTE_N               0x8000000000000000ULL /* NAPOT translation */
567 #define PTE_ATTR            (PTE_N | PTE_PBMT) /* All attributes bits */
568 
569 /* Page table PPN shift amount */
570 #define PTE_PPN_SHIFT       10
571 
572 /* Page table PPN mask */
573 #define PTE_PPN_MASK        0x3FFFFFFFFFFC00ULL
574 
575 /* Leaf page shift amount */
576 #define PGSHIFT             12
577 
578 /* Default Reset Vector adress */
579 #define DEFAULT_RSTVEC      0x1000
580 
581 /* Exception causes */
582 typedef enum RISCVException {
583     RISCV_EXCP_NONE = -1, /* sentinel value */
584     RISCV_EXCP_INST_ADDR_MIS = 0x0,
585     RISCV_EXCP_INST_ACCESS_FAULT = 0x1,
586     RISCV_EXCP_ILLEGAL_INST = 0x2,
587     RISCV_EXCP_BREAKPOINT = 0x3,
588     RISCV_EXCP_LOAD_ADDR_MIS = 0x4,
589     RISCV_EXCP_LOAD_ACCESS_FAULT = 0x5,
590     RISCV_EXCP_STORE_AMO_ADDR_MIS = 0x6,
591     RISCV_EXCP_STORE_AMO_ACCESS_FAULT = 0x7,
592     RISCV_EXCP_U_ECALL = 0x8,
593     RISCV_EXCP_S_ECALL = 0x9,
594     RISCV_EXCP_VS_ECALL = 0xa,
595     RISCV_EXCP_M_ECALL = 0xb,
596     RISCV_EXCP_INST_PAGE_FAULT = 0xc, /* since: priv-1.10.0 */
597     RISCV_EXCP_LOAD_PAGE_FAULT = 0xd, /* since: priv-1.10.0 */
598     RISCV_EXCP_STORE_PAGE_FAULT = 0xf, /* since: priv-1.10.0 */
599     RISCV_EXCP_SEMIHOST = 0x10,
600     RISCV_EXCP_INST_GUEST_PAGE_FAULT = 0x14,
601     RISCV_EXCP_LOAD_GUEST_ACCESS_FAULT = 0x15,
602     RISCV_EXCP_VIRT_INSTRUCTION_FAULT = 0x16,
603     RISCV_EXCP_STORE_GUEST_AMO_ACCESS_FAULT = 0x17,
604 } RISCVException;
605 
606 #define RISCV_EXCP_INT_FLAG                0x80000000
607 #define RISCV_EXCP_INT_MASK                0x7fffffff
608 
609 /* Interrupt causes */
610 #define IRQ_U_SOFT                         0
611 #define IRQ_S_SOFT                         1
612 #define IRQ_VS_SOFT                        2
613 #define IRQ_M_SOFT                         3
614 #define IRQ_U_TIMER                        4
615 #define IRQ_S_TIMER                        5
616 #define IRQ_VS_TIMER                       6
617 #define IRQ_M_TIMER                        7
618 #define IRQ_U_EXT                          8
619 #define IRQ_S_EXT                          9
620 #define IRQ_VS_EXT                         10
621 #define IRQ_M_EXT                          11
622 #define IRQ_S_GEXT                         12
623 #define IRQ_LOCAL_MAX                      16
624 #define IRQ_LOCAL_GUEST_MAX                (TARGET_LONG_BITS - 1)
625 
626 /* mip masks */
627 #define MIP_USIP                           (1 << IRQ_U_SOFT)
628 #define MIP_SSIP                           (1 << IRQ_S_SOFT)
629 #define MIP_VSSIP                          (1 << IRQ_VS_SOFT)
630 #define MIP_MSIP                           (1 << IRQ_M_SOFT)
631 #define MIP_UTIP                           (1 << IRQ_U_TIMER)
632 #define MIP_STIP                           (1 << IRQ_S_TIMER)
633 #define MIP_VSTIP                          (1 << IRQ_VS_TIMER)
634 #define MIP_MTIP                           (1 << IRQ_M_TIMER)
635 #define MIP_UEIP                           (1 << IRQ_U_EXT)
636 #define MIP_SEIP                           (1 << IRQ_S_EXT)
637 #define MIP_VSEIP                          (1 << IRQ_VS_EXT)
638 #define MIP_MEIP                           (1 << IRQ_M_EXT)
639 #define MIP_SGEIP                          (1 << IRQ_S_GEXT)
640 
641 /* sip masks */
642 #define SIP_SSIP                           MIP_SSIP
643 #define SIP_STIP                           MIP_STIP
644 #define SIP_SEIP                           MIP_SEIP
645 
646 /* MIE masks */
647 #define MIE_SEIE                           (1 << IRQ_S_EXT)
648 #define MIE_UEIE                           (1 << IRQ_U_EXT)
649 #define MIE_STIE                           (1 << IRQ_S_TIMER)
650 #define MIE_UTIE                           (1 << IRQ_U_TIMER)
651 #define MIE_SSIE                           (1 << IRQ_S_SOFT)
652 #define MIE_USIE                           (1 << IRQ_U_SOFT)
653 
654 /* General PointerMasking CSR bits*/
655 #define PM_ENABLE       0x00000001ULL
656 #define PM_CURRENT      0x00000002ULL
657 #define PM_INSN         0x00000004ULL
658 #define PM_XS_MASK      0x00000003ULL
659 
660 /* PointerMasking XS bits values */
661 #define PM_EXT_DISABLE  0x00000000ULL
662 #define PM_EXT_INITIAL  0x00000001ULL
663 #define PM_EXT_CLEAN    0x00000002ULL
664 #define PM_EXT_DIRTY    0x00000003ULL
665 
666 /* Offsets for every pair of control bits per each priv level */
667 #define XS_OFFSET    0ULL
668 #define U_OFFSET     2ULL
669 #define S_OFFSET     5ULL
670 #define M_OFFSET     8ULL
671 
672 #define PM_XS_BITS   (PM_XS_MASK << XS_OFFSET)
673 #define U_PM_ENABLE  (PM_ENABLE  << U_OFFSET)
674 #define U_PM_CURRENT (PM_CURRENT << U_OFFSET)
675 #define U_PM_INSN    (PM_INSN    << U_OFFSET)
676 #define S_PM_ENABLE  (PM_ENABLE  << S_OFFSET)
677 #define S_PM_CURRENT (PM_CURRENT << S_OFFSET)
678 #define S_PM_INSN    (PM_INSN    << S_OFFSET)
679 #define M_PM_ENABLE  (PM_ENABLE  << M_OFFSET)
680 #define M_PM_CURRENT (PM_CURRENT << M_OFFSET)
681 #define M_PM_INSN    (PM_INSN    << M_OFFSET)
682 
683 /* mmte CSR bits */
684 #define MMTE_PM_XS_BITS     PM_XS_BITS
685 #define MMTE_U_PM_ENABLE    U_PM_ENABLE
686 #define MMTE_U_PM_CURRENT   U_PM_CURRENT
687 #define MMTE_U_PM_INSN      U_PM_INSN
688 #define MMTE_S_PM_ENABLE    S_PM_ENABLE
689 #define MMTE_S_PM_CURRENT   S_PM_CURRENT
690 #define MMTE_S_PM_INSN      S_PM_INSN
691 #define MMTE_M_PM_ENABLE    M_PM_ENABLE
692 #define MMTE_M_PM_CURRENT   M_PM_CURRENT
693 #define MMTE_M_PM_INSN      M_PM_INSN
694 #define MMTE_MASK    (MMTE_U_PM_ENABLE | MMTE_U_PM_CURRENT | MMTE_U_PM_INSN | \
695                       MMTE_S_PM_ENABLE | MMTE_S_PM_CURRENT | MMTE_S_PM_INSN | \
696                       MMTE_M_PM_ENABLE | MMTE_M_PM_CURRENT | MMTE_M_PM_INSN | \
697                       MMTE_PM_XS_BITS)
698 
699 /* (v)smte CSR bits */
700 #define SMTE_PM_XS_BITS     PM_XS_BITS
701 #define SMTE_U_PM_ENABLE    U_PM_ENABLE
702 #define SMTE_U_PM_CURRENT   U_PM_CURRENT
703 #define SMTE_U_PM_INSN      U_PM_INSN
704 #define SMTE_S_PM_ENABLE    S_PM_ENABLE
705 #define SMTE_S_PM_CURRENT   S_PM_CURRENT
706 #define SMTE_S_PM_INSN      S_PM_INSN
707 #define SMTE_MASK    (SMTE_U_PM_ENABLE | SMTE_U_PM_CURRENT | SMTE_U_PM_INSN | \
708                       SMTE_S_PM_ENABLE | SMTE_S_PM_CURRENT | SMTE_S_PM_INSN | \
709                       SMTE_PM_XS_BITS)
710 
711 /* umte CSR bits */
712 #define UMTE_U_PM_ENABLE    U_PM_ENABLE
713 #define UMTE_U_PM_CURRENT   U_PM_CURRENT
714 #define UMTE_U_PM_INSN      U_PM_INSN
715 #define UMTE_MASK     (UMTE_U_PM_ENABLE | MMTE_U_PM_CURRENT | UMTE_U_PM_INSN)
716 
717 /* MISELECT, SISELECT, and VSISELECT bits (AIA) */
718 #define ISELECT_IPRIO0                     0x30
719 #define ISELECT_IPRIO15                    0x3f
720 #define ISELECT_IMSIC_EIDELIVERY           0x70
721 #define ISELECT_IMSIC_EITHRESHOLD          0x72
722 #define ISELECT_IMSIC_EIP0                 0x80
723 #define ISELECT_IMSIC_EIP63                0xbf
724 #define ISELECT_IMSIC_EIE0                 0xc0
725 #define ISELECT_IMSIC_EIE63                0xff
726 #define ISELECT_IMSIC_FIRST                ISELECT_IMSIC_EIDELIVERY
727 #define ISELECT_IMSIC_LAST                 ISELECT_IMSIC_EIE63
728 #define ISELECT_MASK                       0x1ff
729 
730 /* Dummy [M|S|VS]ISELECT value for emulating [M|S|VS]TOPEI CSRs */
731 #define ISELECT_IMSIC_TOPEI                (ISELECT_MASK + 1)
732 
733 /* IMSIC bits (AIA) */
734 #define IMSIC_TOPEI_IID_SHIFT              16
735 #define IMSIC_TOPEI_IID_MASK               0x7ff
736 #define IMSIC_TOPEI_IPRIO_MASK             0x7ff
737 #define IMSIC_EIPx_BITS                    32
738 #define IMSIC_EIEx_BITS                    32
739 
740 /* MTOPI and STOPI bits (AIA) */
741 #define TOPI_IID_SHIFT                     16
742 #define TOPI_IID_MASK                      0xfff
743 #define TOPI_IPRIO_MASK                    0xff
744 
745 /* Interrupt priority bits (AIA) */
746 #define IPRIO_IRQ_BITS                     8
747 #define IPRIO_MMAXIPRIO                    255
748 #define IPRIO_DEFAULT_UPPER                4
749 #define IPRIO_DEFAULT_MIDDLE               (IPRIO_DEFAULT_UPPER + 24)
750 #define IPRIO_DEFAULT_M                    IPRIO_DEFAULT_MIDDLE
751 #define IPRIO_DEFAULT_S                    (IPRIO_DEFAULT_M + 3)
752 #define IPRIO_DEFAULT_SGEXT                (IPRIO_DEFAULT_S + 3)
753 #define IPRIO_DEFAULT_VS                   (IPRIO_DEFAULT_SGEXT + 1)
754 #define IPRIO_DEFAULT_LOWER                (IPRIO_DEFAULT_VS + 3)
755 
756 /* HVICTL bits (AIA) */
757 #define HVICTL_VTI                         0x40000000
758 #define HVICTL_IID                         0x0fff0000
759 #define HVICTL_IPRIOM                      0x00000100
760 #define HVICTL_IPRIO                       0x000000ff
761 #define HVICTL_VALID_MASK                  \
762     (HVICTL_VTI | HVICTL_IID | HVICTL_IPRIOM | HVICTL_IPRIO)
763 
764 #endif
765