xref: /openbmc/qemu/target/riscv/cpu_bits.h (revision b54a84c1)
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 /* Extension context status mask */
13 #define EXT_STATUS_MASK     0x3ULL
14 
15 /* Floating point round mode */
16 #define FSR_RD_SHIFT        5
17 #define FSR_RD              (0x7 << FSR_RD_SHIFT)
18 
19 /* Floating point accrued exception flags */
20 #define FPEXC_NX            0x01
21 #define FPEXC_UF            0x02
22 #define FPEXC_OF            0x04
23 #define FPEXC_DZ            0x08
24 #define FPEXC_NV            0x10
25 
26 /* Floating point status register bits */
27 #define FSR_AEXC_SHIFT      0
28 #define FSR_NVA             (FPEXC_NV << FSR_AEXC_SHIFT)
29 #define FSR_OFA             (FPEXC_OF << FSR_AEXC_SHIFT)
30 #define FSR_UFA             (FPEXC_UF << FSR_AEXC_SHIFT)
31 #define FSR_DZA             (FPEXC_DZ << FSR_AEXC_SHIFT)
32 #define FSR_NXA             (FPEXC_NX << FSR_AEXC_SHIFT)
33 #define FSR_AEXC            (FSR_NVA | FSR_OFA | FSR_UFA | FSR_DZA | FSR_NXA)
34 
35 /* Control and Status Registers */
36 
37 /* User Trap Setup */
38 #define CSR_USTATUS         0x000
39 #define CSR_UIE             0x004
40 #define CSR_UTVEC           0x005
41 
42 /* User Trap Handling */
43 #define CSR_USCRATCH        0x040
44 #define CSR_UEPC            0x041
45 #define CSR_UCAUSE          0x042
46 #define CSR_UTVAL           0x043
47 #define CSR_UIP             0x044
48 
49 /* User Floating-Point CSRs */
50 #define CSR_FFLAGS          0x001
51 #define CSR_FRM             0x002
52 #define CSR_FCSR            0x003
53 
54 /* User Vector CSRs */
55 #define CSR_VSTART          0x008
56 #define CSR_VXSAT           0x009
57 #define CSR_VXRM            0x00a
58 #define CSR_VCSR            0x00f
59 #define CSR_VL              0xc20
60 #define CSR_VTYPE           0xc21
61 #define CSR_VLENB           0xc22
62 
63 /* VCSR fields */
64 #define VCSR_VXSAT_SHIFT    0
65 #define VCSR_VXSAT          (0x1 << VCSR_VXSAT_SHIFT)
66 #define VCSR_VXRM_SHIFT     1
67 #define VCSR_VXRM           (0x3 << VCSR_VXRM_SHIFT)
68 
69 /* User Timers and Counters */
70 #define CSR_CYCLE           0xc00
71 #define CSR_TIME            0xc01
72 #define CSR_INSTRET         0xc02
73 #define CSR_HPMCOUNTER3     0xc03
74 #define CSR_HPMCOUNTER4     0xc04
75 #define CSR_HPMCOUNTER5     0xc05
76 #define CSR_HPMCOUNTER6     0xc06
77 #define CSR_HPMCOUNTER7     0xc07
78 #define CSR_HPMCOUNTER8     0xc08
79 #define CSR_HPMCOUNTER9     0xc09
80 #define CSR_HPMCOUNTER10    0xc0a
81 #define CSR_HPMCOUNTER11    0xc0b
82 #define CSR_HPMCOUNTER12    0xc0c
83 #define CSR_HPMCOUNTER13    0xc0d
84 #define CSR_HPMCOUNTER14    0xc0e
85 #define CSR_HPMCOUNTER15    0xc0f
86 #define CSR_HPMCOUNTER16    0xc10
87 #define CSR_HPMCOUNTER17    0xc11
88 #define CSR_HPMCOUNTER18    0xc12
89 #define CSR_HPMCOUNTER19    0xc13
90 #define CSR_HPMCOUNTER20    0xc14
91 #define CSR_HPMCOUNTER21    0xc15
92 #define CSR_HPMCOUNTER22    0xc16
93 #define CSR_HPMCOUNTER23    0xc17
94 #define CSR_HPMCOUNTER24    0xc18
95 #define CSR_HPMCOUNTER25    0xc19
96 #define CSR_HPMCOUNTER26    0xc1a
97 #define CSR_HPMCOUNTER27    0xc1b
98 #define CSR_HPMCOUNTER28    0xc1c
99 #define CSR_HPMCOUNTER29    0xc1d
100 #define CSR_HPMCOUNTER30    0xc1e
101 #define CSR_HPMCOUNTER31    0xc1f
102 #define CSR_CYCLEH          0xc80
103 #define CSR_TIMEH           0xc81
104 #define CSR_INSTRETH        0xc82
105 #define CSR_HPMCOUNTER3H    0xc83
106 #define CSR_HPMCOUNTER4H    0xc84
107 #define CSR_HPMCOUNTER5H    0xc85
108 #define CSR_HPMCOUNTER6H    0xc86
109 #define CSR_HPMCOUNTER7H    0xc87
110 #define CSR_HPMCOUNTER8H    0xc88
111 #define CSR_HPMCOUNTER9H    0xc89
112 #define CSR_HPMCOUNTER10H   0xc8a
113 #define CSR_HPMCOUNTER11H   0xc8b
114 #define CSR_HPMCOUNTER12H   0xc8c
115 #define CSR_HPMCOUNTER13H   0xc8d
116 #define CSR_HPMCOUNTER14H   0xc8e
117 #define CSR_HPMCOUNTER15H   0xc8f
118 #define CSR_HPMCOUNTER16H   0xc90
119 #define CSR_HPMCOUNTER17H   0xc91
120 #define CSR_HPMCOUNTER18H   0xc92
121 #define CSR_HPMCOUNTER19H   0xc93
122 #define CSR_HPMCOUNTER20H   0xc94
123 #define CSR_HPMCOUNTER21H   0xc95
124 #define CSR_HPMCOUNTER22H   0xc96
125 #define CSR_HPMCOUNTER23H   0xc97
126 #define CSR_HPMCOUNTER24H   0xc98
127 #define CSR_HPMCOUNTER25H   0xc99
128 #define CSR_HPMCOUNTER26H   0xc9a
129 #define CSR_HPMCOUNTER27H   0xc9b
130 #define CSR_HPMCOUNTER28H   0xc9c
131 #define CSR_HPMCOUNTER29H   0xc9d
132 #define CSR_HPMCOUNTER30H   0xc9e
133 #define CSR_HPMCOUNTER31H   0xc9f
134 
135 /* Machine Timers and Counters */
136 #define CSR_MCYCLE          0xb00
137 #define CSR_MINSTRET        0xb02
138 #define CSR_MCYCLEH         0xb80
139 #define CSR_MINSTRETH       0xb82
140 
141 /* Machine Information Registers */
142 #define CSR_MVENDORID       0xf11
143 #define CSR_MARCHID         0xf12
144 #define CSR_MIMPID          0xf13
145 #define CSR_MHARTID         0xf14
146 #define CSR_MCONFIGPTR      0xf15
147 
148 /* Machine Trap Setup */
149 #define CSR_MSTATUS         0x300
150 #define CSR_MISA            0x301
151 #define CSR_MEDELEG         0x302
152 #define CSR_MIDELEG         0x303
153 #define CSR_MIE             0x304
154 #define CSR_MTVEC           0x305
155 #define CSR_MCOUNTEREN      0x306
156 
157 /* 32-bit only */
158 #define CSR_MSTATUSH        0x310
159 #define CSR_MEDELEGH        0x312
160 #define CSR_HEDELEGH        0x612
161 
162 /* Machine Trap Handling */
163 #define CSR_MSCRATCH        0x340
164 #define CSR_MEPC            0x341
165 #define CSR_MCAUSE          0x342
166 #define CSR_MTVAL           0x343
167 #define CSR_MIP             0x344
168 
169 /* Machine-Level Window to Indirectly Accessed Registers (AIA) */
170 #define CSR_MISELECT        0x350
171 #define CSR_MIREG           0x351
172 
173 /* Machine-Level Interrupts (AIA) */
174 #define CSR_MTOPEI          0x35c
175 #define CSR_MTOPI           0xfb0
176 
177 /* Virtual Interrupts for Supervisor Level (AIA) */
178 #define CSR_MVIEN           0x308
179 #define CSR_MVIP            0x309
180 
181 /* Machine-Level High-Half CSRs (AIA) */
182 #define CSR_MIDELEGH        0x313
183 #define CSR_MIEH            0x314
184 #define CSR_MVIENH          0x318
185 #define CSR_MVIPH           0x319
186 #define CSR_MIPH            0x354
187 
188 /* Supervisor Trap Setup */
189 #define CSR_SSTATUS         0x100
190 #define CSR_SIE             0x104
191 #define CSR_STVEC           0x105
192 #define CSR_SCOUNTEREN      0x106
193 
194 /* Supervisor Configuration CSRs */
195 #define CSR_SENVCFG         0x10A
196 
197 /* Supervisor state CSRs */
198 #define CSR_SSTATEEN0       0x10C
199 #define CSR_SSTATEEN1       0x10D
200 #define CSR_SSTATEEN2       0x10E
201 #define CSR_SSTATEEN3       0x10F
202 
203 /* Supervisor Trap Handling */
204 #define CSR_SSCRATCH        0x140
205 #define CSR_SEPC            0x141
206 #define CSR_SCAUSE          0x142
207 #define CSR_STVAL           0x143
208 #define CSR_SIP             0x144
209 
210 /* Sstc supervisor CSRs */
211 #define CSR_STIMECMP        0x14D
212 #define CSR_STIMECMPH       0x15D
213 
214 /* Supervisor Protection and Translation */
215 #define CSR_SPTBR           0x180
216 #define CSR_SATP            0x180
217 
218 /* Supervisor-Level Window to Indirectly Accessed Registers (AIA) */
219 #define CSR_SISELECT        0x150
220 #define CSR_SIREG           0x151
221 
222 /* Supervisor-Level Interrupts (AIA) */
223 #define CSR_STOPEI          0x15c
224 #define CSR_STOPI           0xdb0
225 
226 /* Supervisor-Level High-Half CSRs (AIA) */
227 #define CSR_SIEH            0x114
228 #define CSR_SIPH            0x154
229 
230 /* Hpervisor CSRs */
231 #define CSR_HSTATUS         0x600
232 #define CSR_HEDELEG         0x602
233 #define CSR_HIDELEG         0x603
234 #define CSR_HIE             0x604
235 #define CSR_HCOUNTEREN      0x606
236 #define CSR_HGEIE           0x607
237 #define CSR_HTVAL           0x643
238 #define CSR_HVIP            0x645
239 #define CSR_HIP             0x644
240 #define CSR_HTINST          0x64A
241 #define CSR_HGEIP           0xE12
242 #define CSR_HGATP           0x680
243 #define CSR_HTIMEDELTA      0x605
244 #define CSR_HTIMEDELTAH     0x615
245 
246 /* Hypervisor Configuration CSRs */
247 #define CSR_HENVCFG         0x60A
248 #define CSR_HENVCFGH        0x61A
249 
250 /* Hypervisor state CSRs */
251 #define CSR_HSTATEEN0       0x60C
252 #define CSR_HSTATEEN0H      0x61C
253 #define CSR_HSTATEEN1       0x60D
254 #define CSR_HSTATEEN1H      0x61D
255 #define CSR_HSTATEEN2       0x60E
256 #define CSR_HSTATEEN2H      0x61E
257 #define CSR_HSTATEEN3       0x60F
258 #define CSR_HSTATEEN3H      0x61F
259 
260 /* Virtual CSRs */
261 #define CSR_VSSTATUS        0x200
262 #define CSR_VSIE            0x204
263 #define CSR_VSTVEC          0x205
264 #define CSR_VSSCRATCH       0x240
265 #define CSR_VSEPC           0x241
266 #define CSR_VSCAUSE         0x242
267 #define CSR_VSTVAL          0x243
268 #define CSR_VSIP            0x244
269 #define CSR_VSATP           0x280
270 
271 /* Sstc virtual CSRs */
272 #define CSR_VSTIMECMP       0x24D
273 #define CSR_VSTIMECMPH      0x25D
274 
275 #define CSR_MTINST          0x34a
276 #define CSR_MTVAL2          0x34b
277 
278 /* Virtual Interrupts and Interrupt Priorities (H-extension with AIA) */
279 #define CSR_HVIEN           0x608
280 #define CSR_HVICTL          0x609
281 #define CSR_HVIPRIO1        0x646
282 #define CSR_HVIPRIO2        0x647
283 
284 /* VS-Level Window to Indirectly Accessed Registers (H-extension with AIA) */
285 #define CSR_VSISELECT       0x250
286 #define CSR_VSIREG          0x251
287 
288 /* VS-Level Interrupts (H-extension with AIA) */
289 #define CSR_VSTOPEI         0x25c
290 #define CSR_VSTOPI          0xeb0
291 
292 /* Hypervisor and VS-Level High-Half CSRs (H-extension with AIA) */
293 #define CSR_HIDELEGH        0x613
294 #define CSR_HVIENH          0x618
295 #define CSR_HVIPH           0x655
296 #define CSR_HVIPRIO1H       0x656
297 #define CSR_HVIPRIO2H       0x657
298 #define CSR_VSIEH           0x214
299 #define CSR_VSIPH           0x254
300 
301 /* Machine Configuration CSRs */
302 #define CSR_MENVCFG         0x30A
303 #define CSR_MENVCFGH        0x31A
304 
305 /* Machine state CSRs */
306 #define CSR_MSTATEEN0       0x30C
307 #define CSR_MSTATEEN0H      0x31C
308 #define CSR_MSTATEEN1       0x30D
309 #define CSR_MSTATEEN1H      0x31D
310 #define CSR_MSTATEEN2       0x30E
311 #define CSR_MSTATEEN2H      0x31E
312 #define CSR_MSTATEEN3       0x30F
313 #define CSR_MSTATEEN3H      0x31F
314 
315 /* Common defines for all smstateen */
316 #define SMSTATEEN_MAX_COUNT 4
317 #define SMSTATEEN0_CS       (1ULL << 0)
318 #define SMSTATEEN0_FCSR     (1ULL << 1)
319 #define SMSTATEEN0_JVT      (1ULL << 2)
320 #define SMSTATEEN0_P1P13    (1ULL << 56)
321 #define SMSTATEEN0_HSCONTXT (1ULL << 57)
322 #define SMSTATEEN0_IMSIC    (1ULL << 58)
323 #define SMSTATEEN0_AIA      (1ULL << 59)
324 #define SMSTATEEN0_SVSLCT   (1ULL << 60)
325 #define SMSTATEEN0_HSENVCFG (1ULL << 62)
326 #define SMSTATEEN_STATEEN   (1ULL << 63)
327 
328 /* Enhanced Physical Memory Protection (ePMP) */
329 #define CSR_MSECCFG         0x747
330 #define CSR_MSECCFGH        0x757
331 /* Physical Memory Protection */
332 #define CSR_PMPCFG0         0x3a0
333 #define CSR_PMPCFG1         0x3a1
334 #define CSR_PMPCFG2         0x3a2
335 #define CSR_PMPCFG3         0x3a3
336 #define CSR_PMPADDR0        0x3b0
337 #define CSR_PMPADDR1        0x3b1
338 #define CSR_PMPADDR2        0x3b2
339 #define CSR_PMPADDR3        0x3b3
340 #define CSR_PMPADDR4        0x3b4
341 #define CSR_PMPADDR5        0x3b5
342 #define CSR_PMPADDR6        0x3b6
343 #define CSR_PMPADDR7        0x3b7
344 #define CSR_PMPADDR8        0x3b8
345 #define CSR_PMPADDR9        0x3b9
346 #define CSR_PMPADDR10       0x3ba
347 #define CSR_PMPADDR11       0x3bb
348 #define CSR_PMPADDR12       0x3bc
349 #define CSR_PMPADDR13       0x3bd
350 #define CSR_PMPADDR14       0x3be
351 #define CSR_PMPADDR15       0x3bf
352 
353 /* Debug/Trace Registers (shared with Debug Mode) */
354 #define CSR_TSELECT         0x7a0
355 #define CSR_TDATA1          0x7a1
356 #define CSR_TDATA2          0x7a2
357 #define CSR_TDATA3          0x7a3
358 #define CSR_TINFO           0x7a4
359 #define CSR_MCONTEXT        0x7a8
360 
361 /* Debug Mode Registers */
362 #define CSR_DCSR            0x7b0
363 #define CSR_DPC             0x7b1
364 #define CSR_DSCRATCH        0x7b2
365 
366 /* Performance Counters */
367 #define CSR_MHPMCOUNTER3    0xb03
368 #define CSR_MHPMCOUNTER4    0xb04
369 #define CSR_MHPMCOUNTER5    0xb05
370 #define CSR_MHPMCOUNTER6    0xb06
371 #define CSR_MHPMCOUNTER7    0xb07
372 #define CSR_MHPMCOUNTER8    0xb08
373 #define CSR_MHPMCOUNTER9    0xb09
374 #define CSR_MHPMCOUNTER10   0xb0a
375 #define CSR_MHPMCOUNTER11   0xb0b
376 #define CSR_MHPMCOUNTER12   0xb0c
377 #define CSR_MHPMCOUNTER13   0xb0d
378 #define CSR_MHPMCOUNTER14   0xb0e
379 #define CSR_MHPMCOUNTER15   0xb0f
380 #define CSR_MHPMCOUNTER16   0xb10
381 #define CSR_MHPMCOUNTER17   0xb11
382 #define CSR_MHPMCOUNTER18   0xb12
383 #define CSR_MHPMCOUNTER19   0xb13
384 #define CSR_MHPMCOUNTER20   0xb14
385 #define CSR_MHPMCOUNTER21   0xb15
386 #define CSR_MHPMCOUNTER22   0xb16
387 #define CSR_MHPMCOUNTER23   0xb17
388 #define CSR_MHPMCOUNTER24   0xb18
389 #define CSR_MHPMCOUNTER25   0xb19
390 #define CSR_MHPMCOUNTER26   0xb1a
391 #define CSR_MHPMCOUNTER27   0xb1b
392 #define CSR_MHPMCOUNTER28   0xb1c
393 #define CSR_MHPMCOUNTER29   0xb1d
394 #define CSR_MHPMCOUNTER30   0xb1e
395 #define CSR_MHPMCOUNTER31   0xb1f
396 
397 /* Machine counter-inhibit register */
398 #define CSR_MCOUNTINHIBIT   0x320
399 
400 /* Machine counter configuration registers */
401 #define CSR_MCYCLECFG       0x321
402 #define CSR_MINSTRETCFG     0x322
403 
404 #define CSR_MHPMEVENT3      0x323
405 #define CSR_MHPMEVENT4      0x324
406 #define CSR_MHPMEVENT5      0x325
407 #define CSR_MHPMEVENT6      0x326
408 #define CSR_MHPMEVENT7      0x327
409 #define CSR_MHPMEVENT8      0x328
410 #define CSR_MHPMEVENT9      0x329
411 #define CSR_MHPMEVENT10     0x32a
412 #define CSR_MHPMEVENT11     0x32b
413 #define CSR_MHPMEVENT12     0x32c
414 #define CSR_MHPMEVENT13     0x32d
415 #define CSR_MHPMEVENT14     0x32e
416 #define CSR_MHPMEVENT15     0x32f
417 #define CSR_MHPMEVENT16     0x330
418 #define CSR_MHPMEVENT17     0x331
419 #define CSR_MHPMEVENT18     0x332
420 #define CSR_MHPMEVENT19     0x333
421 #define CSR_MHPMEVENT20     0x334
422 #define CSR_MHPMEVENT21     0x335
423 #define CSR_MHPMEVENT22     0x336
424 #define CSR_MHPMEVENT23     0x337
425 #define CSR_MHPMEVENT24     0x338
426 #define CSR_MHPMEVENT25     0x339
427 #define CSR_MHPMEVENT26     0x33a
428 #define CSR_MHPMEVENT27     0x33b
429 #define CSR_MHPMEVENT28     0x33c
430 #define CSR_MHPMEVENT29     0x33d
431 #define CSR_MHPMEVENT30     0x33e
432 #define CSR_MHPMEVENT31     0x33f
433 
434 #define CSR_MCYCLECFGH      0x721
435 #define CSR_MINSTRETCFGH    0x722
436 
437 #define CSR_MHPMEVENT3H     0x723
438 #define CSR_MHPMEVENT4H     0x724
439 #define CSR_MHPMEVENT5H     0x725
440 #define CSR_MHPMEVENT6H     0x726
441 #define CSR_MHPMEVENT7H     0x727
442 #define CSR_MHPMEVENT8H     0x728
443 #define CSR_MHPMEVENT9H     0x729
444 #define CSR_MHPMEVENT10H    0x72a
445 #define CSR_MHPMEVENT11H    0x72b
446 #define CSR_MHPMEVENT12H    0x72c
447 #define CSR_MHPMEVENT13H    0x72d
448 #define CSR_MHPMEVENT14H    0x72e
449 #define CSR_MHPMEVENT15H    0x72f
450 #define CSR_MHPMEVENT16H    0x730
451 #define CSR_MHPMEVENT17H    0x731
452 #define CSR_MHPMEVENT18H    0x732
453 #define CSR_MHPMEVENT19H    0x733
454 #define CSR_MHPMEVENT20H    0x734
455 #define CSR_MHPMEVENT21H    0x735
456 #define CSR_MHPMEVENT22H    0x736
457 #define CSR_MHPMEVENT23H    0x737
458 #define CSR_MHPMEVENT24H    0x738
459 #define CSR_MHPMEVENT25H    0x739
460 #define CSR_MHPMEVENT26H    0x73a
461 #define CSR_MHPMEVENT27H    0x73b
462 #define CSR_MHPMEVENT28H    0x73c
463 #define CSR_MHPMEVENT29H    0x73d
464 #define CSR_MHPMEVENT30H    0x73e
465 #define CSR_MHPMEVENT31H    0x73f
466 
467 #define CSR_MHPMCOUNTER3H   0xb83
468 #define CSR_MHPMCOUNTER4H   0xb84
469 #define CSR_MHPMCOUNTER5H   0xb85
470 #define CSR_MHPMCOUNTER6H   0xb86
471 #define CSR_MHPMCOUNTER7H   0xb87
472 #define CSR_MHPMCOUNTER8H   0xb88
473 #define CSR_MHPMCOUNTER9H   0xb89
474 #define CSR_MHPMCOUNTER10H  0xb8a
475 #define CSR_MHPMCOUNTER11H  0xb8b
476 #define CSR_MHPMCOUNTER12H  0xb8c
477 #define CSR_MHPMCOUNTER13H  0xb8d
478 #define CSR_MHPMCOUNTER14H  0xb8e
479 #define CSR_MHPMCOUNTER15H  0xb8f
480 #define CSR_MHPMCOUNTER16H  0xb90
481 #define CSR_MHPMCOUNTER17H  0xb91
482 #define CSR_MHPMCOUNTER18H  0xb92
483 #define CSR_MHPMCOUNTER19H  0xb93
484 #define CSR_MHPMCOUNTER20H  0xb94
485 #define CSR_MHPMCOUNTER21H  0xb95
486 #define CSR_MHPMCOUNTER22H  0xb96
487 #define CSR_MHPMCOUNTER23H  0xb97
488 #define CSR_MHPMCOUNTER24H  0xb98
489 #define CSR_MHPMCOUNTER25H  0xb99
490 #define CSR_MHPMCOUNTER26H  0xb9a
491 #define CSR_MHPMCOUNTER27H  0xb9b
492 #define CSR_MHPMCOUNTER28H  0xb9c
493 #define CSR_MHPMCOUNTER29H  0xb9d
494 #define CSR_MHPMCOUNTER30H  0xb9e
495 #define CSR_MHPMCOUNTER31H  0xb9f
496 
497 /*
498  * User PointerMasking registers
499  * NB: actual CSR numbers might be changed in future
500  */
501 #define CSR_UMTE            0x4c0
502 #define CSR_UPMMASK         0x4c1
503 #define CSR_UPMBASE         0x4c2
504 
505 /*
506  * Machine PointerMasking registers
507  * NB: actual CSR numbers might be changed in future
508  */
509 #define CSR_MMTE            0x3c0
510 #define CSR_MPMMASK         0x3c1
511 #define CSR_MPMBASE         0x3c2
512 
513 /*
514  * Supervisor PointerMaster registers
515  * NB: actual CSR numbers might be changed in future
516  */
517 #define CSR_SMTE            0x1c0
518 #define CSR_SPMMASK         0x1c1
519 #define CSR_SPMBASE         0x1c2
520 
521 /*
522  * Hypervisor PointerMaster registers
523  * NB: actual CSR numbers might be changed in future
524  */
525 #define CSR_VSMTE           0x2c0
526 #define CSR_VSPMMASK        0x2c1
527 #define CSR_VSPMBASE        0x2c2
528 #define CSR_SCOUNTOVF       0xda0
529 
530 /* Crypto Extension */
531 #define CSR_SEED            0x015
532 
533 /* Zcmt Extension */
534 #define CSR_JVT             0x017
535 
536 /* mstatus CSR bits */
537 #define MSTATUS_UIE         0x00000001
538 #define MSTATUS_SIE         0x00000002
539 #define MSTATUS_MIE         0x00000008
540 #define MSTATUS_UPIE        0x00000010
541 #define MSTATUS_SPIE        0x00000020
542 #define MSTATUS_UBE         0x00000040
543 #define MSTATUS_MPIE        0x00000080
544 #define MSTATUS_SPP         0x00000100
545 #define MSTATUS_VS          0x00000600
546 #define MSTATUS_MPP         0x00001800
547 #define MSTATUS_FS          0x00006000
548 #define MSTATUS_XS          0x00018000
549 #define MSTATUS_MPRV        0x00020000
550 #define MSTATUS_SUM         0x00040000 /* since: priv-1.10 */
551 #define MSTATUS_MXR         0x00080000
552 #define MSTATUS_TVM         0x00100000 /* since: priv-1.10 */
553 #define MSTATUS_TW          0x00200000 /* since: priv-1.10 */
554 #define MSTATUS_TSR         0x00400000 /* since: priv-1.10 */
555 #define MSTATUS_GVA         0x4000000000ULL
556 #define MSTATUS_MPV         0x8000000000ULL
557 
558 #define MSTATUS64_UXL       0x0000000300000000ULL
559 #define MSTATUS64_SXL       0x0000000C00000000ULL
560 
561 #define MSTATUS32_SD        0x80000000
562 #define MSTATUS64_SD        0x8000000000000000ULL
563 #define MSTATUSH128_SD      0x8000000000000000ULL
564 
565 #define MISA32_MXL          0xC0000000
566 #define MISA64_MXL          0xC000000000000000ULL
567 
568 typedef enum {
569     MXL_RV32  = 1,
570     MXL_RV64  = 2,
571     MXL_RV128 = 3,
572 } RISCVMXL;
573 
574 /* sstatus CSR bits */
575 #define SSTATUS_UIE         0x00000001
576 #define SSTATUS_SIE         0x00000002
577 #define SSTATUS_UPIE        0x00000010
578 #define SSTATUS_SPIE        0x00000020
579 #define SSTATUS_SPP         0x00000100
580 #define SSTATUS_VS          0x00000600
581 #define SSTATUS_FS          0x00006000
582 #define SSTATUS_XS          0x00018000
583 #define SSTATUS_SUM         0x00040000 /* since: priv-1.10 */
584 #define SSTATUS_MXR         0x00080000
585 
586 #define SSTATUS64_UXL       0x0000000300000000ULL
587 
588 #define SSTATUS32_SD        0x80000000
589 #define SSTATUS64_SD        0x8000000000000000ULL
590 
591 /* hstatus CSR bits */
592 #define HSTATUS_VSBE         0x00000020
593 #define HSTATUS_GVA          0x00000040
594 #define HSTATUS_SPV          0x00000080
595 #define HSTATUS_SPVP         0x00000100
596 #define HSTATUS_HU           0x00000200
597 #define HSTATUS_VGEIN        0x0003F000
598 #define HSTATUS_VTVM         0x00100000
599 #define HSTATUS_VTW          0x00200000
600 #define HSTATUS_VTSR         0x00400000
601 #define HSTATUS_VSXL         0x300000000
602 
603 #define HSTATUS32_WPRI       0xFF8FF87E
604 #define HSTATUS64_WPRI       0xFFFFFFFFFF8FF87EULL
605 
606 #define COUNTEREN_CY         (1 << 0)
607 #define COUNTEREN_TM         (1 << 1)
608 #define COUNTEREN_IR         (1 << 2)
609 #define COUNTEREN_HPM3       (1 << 3)
610 
611 /* vsstatus CSR bits */
612 #define VSSTATUS64_UXL       0x0000000300000000ULL
613 
614 /* Privilege modes */
615 #define PRV_U 0
616 #define PRV_S 1
617 #define PRV_RESERVED 2
618 #define PRV_M 3
619 
620 /* RV32 satp CSR field masks */
621 #define SATP32_MODE         0x80000000
622 #define SATP32_ASID         0x7fc00000
623 #define SATP32_PPN          0x003fffff
624 
625 /* RV64 satp CSR field masks */
626 #define SATP64_MODE         0xF000000000000000ULL
627 #define SATP64_ASID         0x0FFFF00000000000ULL
628 #define SATP64_PPN          0x00000FFFFFFFFFFFULL
629 
630 /* VM modes (satp.mode) privileged ISA 1.10 */
631 #define VM_1_10_MBARE       0
632 #define VM_1_10_SV32        1
633 #define VM_1_10_SV39        8
634 #define VM_1_10_SV48        9
635 #define VM_1_10_SV57        10
636 #define VM_1_10_SV64        11
637 
638 /* Page table entry (PTE) fields */
639 #define PTE_V               0x001 /* Valid */
640 #define PTE_R               0x002 /* Read */
641 #define PTE_W               0x004 /* Write */
642 #define PTE_X               0x008 /* Execute */
643 #define PTE_U               0x010 /* User */
644 #define PTE_G               0x020 /* Global */
645 #define PTE_A               0x040 /* Accessed */
646 #define PTE_D               0x080 /* Dirty */
647 #define PTE_SOFT            0x300 /* Reserved for Software */
648 #define PTE_PBMT            0x6000000000000000ULL /* Page-based memory types */
649 #define PTE_N               0x8000000000000000ULL /* NAPOT translation */
650 #define PTE_RESERVED        0x1FC0000000000000ULL /* Reserved bits */
651 #define PTE_ATTR            (PTE_N | PTE_PBMT) /* All attributes bits */
652 
653 /* Page table PPN shift amount */
654 #define PTE_PPN_SHIFT       10
655 
656 /* Page table PPN mask */
657 #define PTE_PPN_MASK        0x3FFFFFFFFFFC00ULL
658 
659 /* Leaf page shift amount */
660 #define PGSHIFT             12
661 
662 /* Default Reset Vector address */
663 #define DEFAULT_RSTVEC      0x1000
664 
665 /* Exception causes */
666 typedef enum RISCVException {
667     RISCV_EXCP_NONE = -1, /* sentinel value */
668     RISCV_EXCP_INST_ADDR_MIS = 0x0,
669     RISCV_EXCP_INST_ACCESS_FAULT = 0x1,
670     RISCV_EXCP_ILLEGAL_INST = 0x2,
671     RISCV_EXCP_BREAKPOINT = 0x3,
672     RISCV_EXCP_LOAD_ADDR_MIS = 0x4,
673     RISCV_EXCP_LOAD_ACCESS_FAULT = 0x5,
674     RISCV_EXCP_STORE_AMO_ADDR_MIS = 0x6,
675     RISCV_EXCP_STORE_AMO_ACCESS_FAULT = 0x7,
676     RISCV_EXCP_U_ECALL = 0x8,
677     RISCV_EXCP_S_ECALL = 0x9,
678     RISCV_EXCP_VS_ECALL = 0xa,
679     RISCV_EXCP_M_ECALL = 0xb,
680     RISCV_EXCP_INST_PAGE_FAULT = 0xc, /* since: priv-1.10.0 */
681     RISCV_EXCP_LOAD_PAGE_FAULT = 0xd, /* since: priv-1.10.0 */
682     RISCV_EXCP_STORE_PAGE_FAULT = 0xf, /* since: priv-1.10.0 */
683     RISCV_EXCP_SW_CHECK = 0x12, /* since: priv-1.13.0 */
684     RISCV_EXCP_HW_ERR = 0x13, /* since: priv-1.13.0 */
685     RISCV_EXCP_INST_GUEST_PAGE_FAULT = 0x14,
686     RISCV_EXCP_LOAD_GUEST_ACCESS_FAULT = 0x15,
687     RISCV_EXCP_VIRT_INSTRUCTION_FAULT = 0x16,
688     RISCV_EXCP_STORE_GUEST_AMO_ACCESS_FAULT = 0x17,
689     RISCV_EXCP_SEMIHOST = 0x3f,
690 } RISCVException;
691 
692 #define RISCV_EXCP_INT_FLAG                0x80000000
693 #define RISCV_EXCP_INT_MASK                0x7fffffff
694 
695 /* Interrupt causes */
696 #define IRQ_U_SOFT                         0
697 #define IRQ_S_SOFT                         1
698 #define IRQ_VS_SOFT                        2
699 #define IRQ_M_SOFT                         3
700 #define IRQ_U_TIMER                        4
701 #define IRQ_S_TIMER                        5
702 #define IRQ_VS_TIMER                       6
703 #define IRQ_M_TIMER                        7
704 #define IRQ_U_EXT                          8
705 #define IRQ_S_EXT                          9
706 #define IRQ_VS_EXT                         10
707 #define IRQ_M_EXT                          11
708 #define IRQ_S_GEXT                         12
709 #define IRQ_PMU_OVF                        13
710 #define IRQ_LOCAL_MAX                      64
711 /* -1 is due to bit zero of hgeip and hgeie being ROZ. */
712 #define IRQ_LOCAL_GUEST_MAX                (TARGET_LONG_BITS - 1)
713 
714 /* mip masks */
715 #define MIP_USIP                           (1 << IRQ_U_SOFT)
716 #define MIP_SSIP                           (1 << IRQ_S_SOFT)
717 #define MIP_VSSIP                          (1 << IRQ_VS_SOFT)
718 #define MIP_MSIP                           (1 << IRQ_M_SOFT)
719 #define MIP_UTIP                           (1 << IRQ_U_TIMER)
720 #define MIP_STIP                           (1 << IRQ_S_TIMER)
721 #define MIP_VSTIP                          (1 << IRQ_VS_TIMER)
722 #define MIP_MTIP                           (1 << IRQ_M_TIMER)
723 #define MIP_UEIP                           (1 << IRQ_U_EXT)
724 #define MIP_SEIP                           (1 << IRQ_S_EXT)
725 #define MIP_VSEIP                          (1 << IRQ_VS_EXT)
726 #define MIP_MEIP                           (1 << IRQ_M_EXT)
727 #define MIP_SGEIP                          (1 << IRQ_S_GEXT)
728 #define MIP_LCOFIP                         (1 << IRQ_PMU_OVF)
729 
730 /* sip masks */
731 #define SIP_SSIP                           MIP_SSIP
732 #define SIP_STIP                           MIP_STIP
733 #define SIP_SEIP                           MIP_SEIP
734 #define SIP_LCOFIP                         MIP_LCOFIP
735 
736 /* MIE masks */
737 #define MIE_SEIE                           (1 << IRQ_S_EXT)
738 #define MIE_UEIE                           (1 << IRQ_U_EXT)
739 #define MIE_STIE                           (1 << IRQ_S_TIMER)
740 #define MIE_UTIE                           (1 << IRQ_U_TIMER)
741 #define MIE_SSIE                           (1 << IRQ_S_SOFT)
742 #define MIE_USIE                           (1 << IRQ_U_SOFT)
743 
744 /* Machine constants */
745 #define M_MODE_INTERRUPTS  ((uint64_t)(MIP_MSIP | MIP_MTIP | MIP_MEIP))
746 #define S_MODE_INTERRUPTS  ((uint64_t)(MIP_SSIP | MIP_STIP | MIP_SEIP))
747 #define VS_MODE_INTERRUPTS ((uint64_t)(MIP_VSSIP | MIP_VSTIP | MIP_VSEIP))
748 #define HS_MODE_INTERRUPTS ((uint64_t)(MIP_SGEIP | VS_MODE_INTERRUPTS))
749 
750 /* General PointerMasking CSR bits */
751 #define PM_ENABLE       0x00000001ULL
752 #define PM_CURRENT      0x00000002ULL
753 #define PM_INSN         0x00000004ULL
754 
755 /* Execution environment configuration bits */
756 #define MENVCFG_FIOM                       BIT(0)
757 #define MENVCFG_CBIE                       (3UL << 4)
758 #define MENVCFG_CBCFE                      BIT(6)
759 #define MENVCFG_CBZE                       BIT(7)
760 #define MENVCFG_ADUE                       (1ULL << 61)
761 #define MENVCFG_PBMTE                      (1ULL << 62)
762 #define MENVCFG_STCE                       (1ULL << 63)
763 
764 /* For RV32 */
765 #define MENVCFGH_ADUE                      BIT(29)
766 #define MENVCFGH_PBMTE                     BIT(30)
767 #define MENVCFGH_STCE                      BIT(31)
768 
769 #define SENVCFG_FIOM                       MENVCFG_FIOM
770 #define SENVCFG_CBIE                       MENVCFG_CBIE
771 #define SENVCFG_CBCFE                      MENVCFG_CBCFE
772 #define SENVCFG_CBZE                       MENVCFG_CBZE
773 
774 #define HENVCFG_FIOM                       MENVCFG_FIOM
775 #define HENVCFG_CBIE                       MENVCFG_CBIE
776 #define HENVCFG_CBCFE                      MENVCFG_CBCFE
777 #define HENVCFG_CBZE                       MENVCFG_CBZE
778 #define HENVCFG_ADUE                       MENVCFG_ADUE
779 #define HENVCFG_PBMTE                      MENVCFG_PBMTE
780 #define HENVCFG_STCE                       MENVCFG_STCE
781 
782 /* For RV32 */
783 #define HENVCFGH_ADUE                       MENVCFGH_ADUE
784 #define HENVCFGH_PBMTE                      MENVCFGH_PBMTE
785 #define HENVCFGH_STCE                       MENVCFGH_STCE
786 
787 /* Offsets for every pair of control bits per each priv level */
788 #define XS_OFFSET    0ULL
789 #define U_OFFSET     2ULL
790 #define S_OFFSET     5ULL
791 #define M_OFFSET     8ULL
792 
793 #define PM_XS_BITS   (EXT_STATUS_MASK << XS_OFFSET)
794 #define U_PM_ENABLE  (PM_ENABLE  << U_OFFSET)
795 #define U_PM_CURRENT (PM_CURRENT << U_OFFSET)
796 #define U_PM_INSN    (PM_INSN    << U_OFFSET)
797 #define S_PM_ENABLE  (PM_ENABLE  << S_OFFSET)
798 #define S_PM_CURRENT (PM_CURRENT << S_OFFSET)
799 #define S_PM_INSN    (PM_INSN    << S_OFFSET)
800 #define M_PM_ENABLE  (PM_ENABLE  << M_OFFSET)
801 #define M_PM_CURRENT (PM_CURRENT << M_OFFSET)
802 #define M_PM_INSN    (PM_INSN    << M_OFFSET)
803 
804 /* mmte CSR bits */
805 #define MMTE_PM_XS_BITS     PM_XS_BITS
806 #define MMTE_U_PM_ENABLE    U_PM_ENABLE
807 #define MMTE_U_PM_CURRENT   U_PM_CURRENT
808 #define MMTE_U_PM_INSN      U_PM_INSN
809 #define MMTE_S_PM_ENABLE    S_PM_ENABLE
810 #define MMTE_S_PM_CURRENT   S_PM_CURRENT
811 #define MMTE_S_PM_INSN      S_PM_INSN
812 #define MMTE_M_PM_ENABLE    M_PM_ENABLE
813 #define MMTE_M_PM_CURRENT   M_PM_CURRENT
814 #define MMTE_M_PM_INSN      M_PM_INSN
815 #define MMTE_MASK    (MMTE_U_PM_ENABLE | MMTE_U_PM_CURRENT | MMTE_U_PM_INSN | \
816                       MMTE_S_PM_ENABLE | MMTE_S_PM_CURRENT | MMTE_S_PM_INSN | \
817                       MMTE_M_PM_ENABLE | MMTE_M_PM_CURRENT | MMTE_M_PM_INSN | \
818                       MMTE_PM_XS_BITS)
819 
820 /* (v)smte CSR bits */
821 #define SMTE_PM_XS_BITS     PM_XS_BITS
822 #define SMTE_U_PM_ENABLE    U_PM_ENABLE
823 #define SMTE_U_PM_CURRENT   U_PM_CURRENT
824 #define SMTE_U_PM_INSN      U_PM_INSN
825 #define SMTE_S_PM_ENABLE    S_PM_ENABLE
826 #define SMTE_S_PM_CURRENT   S_PM_CURRENT
827 #define SMTE_S_PM_INSN      S_PM_INSN
828 #define SMTE_MASK    (SMTE_U_PM_ENABLE | SMTE_U_PM_CURRENT | SMTE_U_PM_INSN | \
829                       SMTE_S_PM_ENABLE | SMTE_S_PM_CURRENT | SMTE_S_PM_INSN | \
830                       SMTE_PM_XS_BITS)
831 
832 /* umte CSR bits */
833 #define UMTE_U_PM_ENABLE    U_PM_ENABLE
834 #define UMTE_U_PM_CURRENT   U_PM_CURRENT
835 #define UMTE_U_PM_INSN      U_PM_INSN
836 #define UMTE_MASK     (UMTE_U_PM_ENABLE | MMTE_U_PM_CURRENT | UMTE_U_PM_INSN)
837 
838 /* MISELECT, SISELECT, and VSISELECT bits (AIA) */
839 #define ISELECT_IPRIO0                     0x30
840 #define ISELECT_IPRIO15                    0x3f
841 #define ISELECT_IMSIC_EIDELIVERY           0x70
842 #define ISELECT_IMSIC_EITHRESHOLD          0x72
843 #define ISELECT_IMSIC_EIP0                 0x80
844 #define ISELECT_IMSIC_EIP63                0xbf
845 #define ISELECT_IMSIC_EIE0                 0xc0
846 #define ISELECT_IMSIC_EIE63                0xff
847 #define ISELECT_IMSIC_FIRST                ISELECT_IMSIC_EIDELIVERY
848 #define ISELECT_IMSIC_LAST                 ISELECT_IMSIC_EIE63
849 #define ISELECT_MASK                       0x1ff
850 
851 /* Dummy [M|S|VS]ISELECT value for emulating [M|S|VS]TOPEI CSRs */
852 #define ISELECT_IMSIC_TOPEI                (ISELECT_MASK + 1)
853 
854 /* IMSIC bits (AIA) */
855 #define IMSIC_TOPEI_IID_SHIFT              16
856 #define IMSIC_TOPEI_IID_MASK               0x7ff
857 #define IMSIC_TOPEI_IPRIO_MASK             0x7ff
858 #define IMSIC_EIPx_BITS                    32
859 #define IMSIC_EIEx_BITS                    32
860 
861 /* MTOPI and STOPI bits (AIA) */
862 #define TOPI_IID_SHIFT                     16
863 #define TOPI_IID_MASK                      0xfff
864 #define TOPI_IPRIO_MASK                    0xff
865 
866 /* Interrupt priority bits (AIA) */
867 #define IPRIO_IRQ_BITS                     8
868 #define IPRIO_MMAXIPRIO                    255
869 #define IPRIO_DEFAULT_UPPER                4
870 #define IPRIO_DEFAULT_MIDDLE               (IPRIO_DEFAULT_UPPER + 12)
871 #define IPRIO_DEFAULT_M                    IPRIO_DEFAULT_MIDDLE
872 #define IPRIO_DEFAULT_S                    (IPRIO_DEFAULT_M + 3)
873 #define IPRIO_DEFAULT_SGEXT                (IPRIO_DEFAULT_S + 3)
874 #define IPRIO_DEFAULT_VS                   (IPRIO_DEFAULT_SGEXT + 1)
875 #define IPRIO_DEFAULT_LOWER                (IPRIO_DEFAULT_VS + 3)
876 
877 /* HVICTL bits (AIA) */
878 #define HVICTL_VTI                         0x40000000
879 #define HVICTL_IID                         0x0fff0000
880 #define HVICTL_IPRIOM                      0x00000100
881 #define HVICTL_IPRIO                       0x000000ff
882 #define HVICTL_VALID_MASK                  \
883     (HVICTL_VTI | HVICTL_IID | HVICTL_IPRIOM | HVICTL_IPRIO)
884 
885 /* seed CSR bits */
886 #define SEED_OPST                        (0b11 << 30)
887 #define SEED_OPST_BIST                   (0b00 << 30)
888 #define SEED_OPST_WAIT                   (0b01 << 30)
889 #define SEED_OPST_ES16                   (0b10 << 30)
890 #define SEED_OPST_DEAD                   (0b11 << 30)
891 /* PMU related bits */
892 #define MIE_LCOFIE                         (1 << IRQ_PMU_OVF)
893 
894 #define MCYCLECFG_BIT_MINH                 BIT_ULL(62)
895 #define MCYCLECFGH_BIT_MINH                BIT(30)
896 #define MCYCLECFG_BIT_SINH                 BIT_ULL(61)
897 #define MCYCLECFGH_BIT_SINH                BIT(29)
898 #define MCYCLECFG_BIT_UINH                 BIT_ULL(60)
899 #define MCYCLECFGH_BIT_UINH                BIT(28)
900 #define MCYCLECFG_BIT_VSINH                BIT_ULL(59)
901 #define MCYCLECFGH_BIT_VSINH               BIT(27)
902 #define MCYCLECFG_BIT_VUINH                BIT_ULL(58)
903 #define MCYCLECFGH_BIT_VUINH               BIT(26)
904 
905 #define MINSTRETCFG_BIT_MINH               BIT_ULL(62)
906 #define MINSTRETCFGH_BIT_MINH              BIT(30)
907 #define MINSTRETCFG_BIT_SINH               BIT_ULL(61)
908 #define MINSTRETCFGH_BIT_SINH              BIT(29)
909 #define MINSTRETCFG_BIT_UINH               BIT_ULL(60)
910 #define MINSTRETCFGH_BIT_UINH              BIT(28)
911 #define MINSTRETCFG_BIT_VSINH              BIT_ULL(59)
912 #define MINSTRETCFGH_BIT_VSINH             BIT(27)
913 #define MINSTRETCFG_BIT_VUINH              BIT_ULL(58)
914 #define MINSTRETCFGH_BIT_VUINH             BIT(26)
915 
916 #define MHPMEVENT_BIT_OF                   BIT_ULL(63)
917 #define MHPMEVENTH_BIT_OF                  BIT(31)
918 #define MHPMEVENT_BIT_MINH                 BIT_ULL(62)
919 #define MHPMEVENTH_BIT_MINH                BIT(30)
920 #define MHPMEVENT_BIT_SINH                 BIT_ULL(61)
921 #define MHPMEVENTH_BIT_SINH                BIT(29)
922 #define MHPMEVENT_BIT_UINH                 BIT_ULL(60)
923 #define MHPMEVENTH_BIT_UINH                BIT(28)
924 #define MHPMEVENT_BIT_VSINH                BIT_ULL(59)
925 #define MHPMEVENTH_BIT_VSINH               BIT(27)
926 #define MHPMEVENT_BIT_VUINH                BIT_ULL(58)
927 #define MHPMEVENTH_BIT_VUINH               BIT(26)
928 
929 #define MHPMEVENT_FILTER_MASK              (MHPMEVENT_BIT_MINH  | \
930                                             MHPMEVENT_BIT_SINH  | \
931                                             MHPMEVENT_BIT_UINH  | \
932                                             MHPMEVENT_BIT_VSINH | \
933                                             MHPMEVENT_BIT_VUINH)
934 
935 #define MHPMEVENTH_FILTER_MASK              (MHPMEVENTH_BIT_MINH  | \
936                                             MHPMEVENTH_BIT_SINH  | \
937                                             MHPMEVENTH_BIT_UINH  | \
938                                             MHPMEVENTH_BIT_VSINH | \
939                                             MHPMEVENTH_BIT_VUINH)
940 
941 #define MHPMEVENT_SSCOF_MASK               _ULL(0xFFFF000000000000)
942 #define MHPMEVENT_IDX_MASK                 0xFFFFF
943 #define MHPMEVENT_SSCOF_RESVD              16
944 
945 /* JVT CSR bits */
946 #define JVT_MODE                           0x3F
947 #define JVT_BASE                           (~0x3F)
948 
949 /* Debug Sdtrig CSR masks */
950 #define MCONTEXT32                         0x0000003F
951 #define MCONTEXT64                         0x0000000000001FFFULL
952 #define MCONTEXT32_HCONTEXT                0x0000007F
953 #define MCONTEXT64_HCONTEXT                0x0000000000003FFFULL
954 #endif
955