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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_VL 0xc20
64 #define CSR_VTYPE 0xc21
65
66 /* User Timers and Counters */
67 #define CSR_CYCLE 0xc00
68 #define CSR_TIME 0xc01
69 #define CSR_INSTRET 0xc02
70 #define CSR_HPMCOUNTER3 0xc03
71 #define CSR_HPMCOUNTER4 0xc04
72 #define CSR_HPMCOUNTER5 0xc05
73 #define CSR_HPMCOUNTER6 0xc06
74 #define CSR_HPMCOUNTER7 0xc07
75 #define CSR_HPMCOUNTER8 0xc08
76 #define CSR_HPMCOUNTER9 0xc09
77 #define CSR_HPMCOUNTER10 0xc0a
78 #define CSR_HPMCOUNTER11 0xc0b
79 #define CSR_HPMCOUNTER12 0xc0c
80 #define CSR_HPMCOUNTER13 0xc0d
81 #define CSR_HPMCOUNTER14 0xc0e
82 #define CSR_HPMCOUNTER15 0xc0f
83 #define CSR_HPMCOUNTER16 0xc10
84 #define CSR_HPMCOUNTER17 0xc11
85 #define CSR_HPMCOUNTER18 0xc12
86 #define CSR_HPMCOUNTER19 0xc13
87 #define CSR_HPMCOUNTER20 0xc14
88 #define CSR_HPMCOUNTER21 0xc15
89 #define CSR_HPMCOUNTER22 0xc16
90 #define CSR_HPMCOUNTER23 0xc17
91 #define CSR_HPMCOUNTER24 0xc18
92 #define CSR_HPMCOUNTER25 0xc19
93 #define CSR_HPMCOUNTER26 0xc1a
94 #define CSR_HPMCOUNTER27 0xc1b
95 #define CSR_HPMCOUNTER28 0xc1c
96 #define CSR_HPMCOUNTER29 0xc1d
97 #define CSR_HPMCOUNTER30 0xc1e
98 #define CSR_HPMCOUNTER31 0xc1f
99 #define CSR_CYCLEH 0xc80
100 #define CSR_TIMEH 0xc81
101 #define CSR_INSTRETH 0xc82
102 #define CSR_HPMCOUNTER3H 0xc83
103 #define CSR_HPMCOUNTER4H 0xc84
104 #define CSR_HPMCOUNTER5H 0xc85
105 #define CSR_HPMCOUNTER6H 0xc86
106 #define CSR_HPMCOUNTER7H 0xc87
107 #define CSR_HPMCOUNTER8H 0xc88
108 #define CSR_HPMCOUNTER9H 0xc89
109 #define CSR_HPMCOUNTER10H 0xc8a
110 #define CSR_HPMCOUNTER11H 0xc8b
111 #define CSR_HPMCOUNTER12H 0xc8c
112 #define CSR_HPMCOUNTER13H 0xc8d
113 #define CSR_HPMCOUNTER14H 0xc8e
114 #define CSR_HPMCOUNTER15H 0xc8f
115 #define CSR_HPMCOUNTER16H 0xc90
116 #define CSR_HPMCOUNTER17H 0xc91
117 #define CSR_HPMCOUNTER18H 0xc92
118 #define CSR_HPMCOUNTER19H 0xc93
119 #define CSR_HPMCOUNTER20H 0xc94
120 #define CSR_HPMCOUNTER21H 0xc95
121 #define CSR_HPMCOUNTER22H 0xc96
122 #define CSR_HPMCOUNTER23H 0xc97
123 #define CSR_HPMCOUNTER24H 0xc98
124 #define CSR_HPMCOUNTER25H 0xc99
125 #define CSR_HPMCOUNTER26H 0xc9a
126 #define CSR_HPMCOUNTER27H 0xc9b
127 #define CSR_HPMCOUNTER28H 0xc9c
128 #define CSR_HPMCOUNTER29H 0xc9d
129 #define CSR_HPMCOUNTER30H 0xc9e
130 #define CSR_HPMCOUNTER31H 0xc9f
131
132 /* Machine Timers and Counters */
133 #define CSR_MCYCLE 0xb00
134 #define CSR_MINSTRET 0xb02
135 #define CSR_MCYCLEH 0xb80
136 #define CSR_MINSTRETH 0xb82
137
138 /* Machine Information Registers */
139 #define CSR_MVENDORID 0xf11
140 #define CSR_MARCHID 0xf12
141 #define CSR_MIMPID 0xf13
142 #define CSR_MHARTID 0xf14
143
144 /* Machine Trap Setup */
145 #define CSR_MSTATUS 0x300
146 #define CSR_MISA 0x301
147 #define CSR_MEDELEG 0x302
148 #define CSR_MIDELEG 0x303
149 #define CSR_MIE 0x304
150 #define CSR_MTVEC 0x305
151 #define CSR_MCOUNTEREN 0x306
152
153 /* 32-bit only */
154 #define CSR_MSTATUSH 0x310
155
156 /* Machine Trap Handling */
157 #define CSR_MSCRATCH 0x340
158 #define CSR_MEPC 0x341
159 #define CSR_MCAUSE 0x342
160 #define CSR_MTVAL 0x343
161 #define CSR_MIP 0x344
162
163 /* Supervisor Trap Setup */
164 #define CSR_SSTATUS 0x100
165 #define CSR_SEDELEG 0x102
166 #define CSR_SIDELEG 0x103
167 #define CSR_SIE 0x104
168 #define CSR_STVEC 0x105
169 #define CSR_SCOUNTEREN 0x106
170
171 /* Supervisor Trap Handling */
172 #define CSR_SSCRATCH 0x140
173 #define CSR_SEPC 0x141
174 #define CSR_SCAUSE 0x142
175 #define CSR_STVAL 0x143
176 #define CSR_SIP 0x144
177
178 /* Supervisor Protection and Translation */
179 #define CSR_SPTBR 0x180
180 #define CSR_SATP 0x180
181
182 /* Hpervisor CSRs */
183 #define CSR_HSTATUS 0x600
184 #define CSR_HEDELEG 0x602
185 #define CSR_HIDELEG 0x603
186 #define CSR_HIE 0x604
187 #define CSR_HCOUNTEREN 0x606
188 #define CSR_HGEIE 0x607
189 #define CSR_HTVAL 0x643
190 #define CSR_HVIP 0x645
191 #define CSR_HIP 0x644
192 #define CSR_HTINST 0x64A
193 #define CSR_HGEIP 0xE12
194 #define CSR_HGATP 0x680
195 #define CSR_HTIMEDELTA 0x605
196 #define CSR_HTIMEDELTAH 0x615
197
198 /* Virtual CSRs */
199 #define CSR_VSSTATUS 0x200
200 #define CSR_VSIE 0x204
201 #define CSR_VSTVEC 0x205
202 #define CSR_VSSCRATCH 0x240
203 #define CSR_VSEPC 0x241
204 #define CSR_VSCAUSE 0x242
205 #define CSR_VSTVAL 0x243
206 #define CSR_VSIP 0x244
207 #define CSR_VSATP 0x280
208
209 #define CSR_MTINST 0x34a
210 #define CSR_MTVAL2 0x34b
211
212 /* Enhanced Physical Memory Protection (ePMP) */
213 #define CSR_MSECCFG 0x747
214 #define CSR_MSECCFGH 0x757
215 /* Physical Memory Protection */
216 #define CSR_PMPCFG0 0x3a0
217 #define CSR_PMPCFG1 0x3a1
218 #define CSR_PMPCFG2 0x3a2
219 #define CSR_PMPCFG3 0x3a3
220 #define CSR_PMPADDR0 0x3b0
221 #define CSR_PMPADDR1 0x3b1
222 #define CSR_PMPADDR2 0x3b2
223 #define CSR_PMPADDR3 0x3b3
224 #define CSR_PMPADDR4 0x3b4
225 #define CSR_PMPADDR5 0x3b5
226 #define CSR_PMPADDR6 0x3b6
227 #define CSR_PMPADDR7 0x3b7
228 #define CSR_PMPADDR8 0x3b8
229 #define CSR_PMPADDR9 0x3b9
230 #define CSR_PMPADDR10 0x3ba
231 #define CSR_PMPADDR11 0x3bb
232 #define CSR_PMPADDR12 0x3bc
233 #define CSR_PMPADDR13 0x3bd
234 #define CSR_PMPADDR14 0x3be
235 #define CSR_PMPADDR15 0x3bf
236
237 /* Debug/Trace Registers (shared with Debug Mode) */
238 #define CSR_TSELECT 0x7a0
239 #define CSR_TDATA1 0x7a1
240 #define CSR_TDATA2 0x7a2
241 #define CSR_TDATA3 0x7a3
242
243 /* Debug Mode Registers */
244 #define CSR_DCSR 0x7b0
245 #define CSR_DPC 0x7b1
246 #define CSR_DSCRATCH 0x7b2
247
248 /* Performance Counters */
249 #define CSR_MHPMCOUNTER3 0xb03
250 #define CSR_MHPMCOUNTER4 0xb04
251 #define CSR_MHPMCOUNTER5 0xb05
252 #define CSR_MHPMCOUNTER6 0xb06
253 #define CSR_MHPMCOUNTER7 0xb07
254 #define CSR_MHPMCOUNTER8 0xb08
255 #define CSR_MHPMCOUNTER9 0xb09
256 #define CSR_MHPMCOUNTER10 0xb0a
257 #define CSR_MHPMCOUNTER11 0xb0b
258 #define CSR_MHPMCOUNTER12 0xb0c
259 #define CSR_MHPMCOUNTER13 0xb0d
260 #define CSR_MHPMCOUNTER14 0xb0e
261 #define CSR_MHPMCOUNTER15 0xb0f
262 #define CSR_MHPMCOUNTER16 0xb10
263 #define CSR_MHPMCOUNTER17 0xb11
264 #define CSR_MHPMCOUNTER18 0xb12
265 #define CSR_MHPMCOUNTER19 0xb13
266 #define CSR_MHPMCOUNTER20 0xb14
267 #define CSR_MHPMCOUNTER21 0xb15
268 #define CSR_MHPMCOUNTER22 0xb16
269 #define CSR_MHPMCOUNTER23 0xb17
270 #define CSR_MHPMCOUNTER24 0xb18
271 #define CSR_MHPMCOUNTER25 0xb19
272 #define CSR_MHPMCOUNTER26 0xb1a
273 #define CSR_MHPMCOUNTER27 0xb1b
274 #define CSR_MHPMCOUNTER28 0xb1c
275 #define CSR_MHPMCOUNTER29 0xb1d
276 #define CSR_MHPMCOUNTER30 0xb1e
277 #define CSR_MHPMCOUNTER31 0xb1f
278 #define CSR_MHPMEVENT3 0x323
279 #define CSR_MHPMEVENT4 0x324
280 #define CSR_MHPMEVENT5 0x325
281 #define CSR_MHPMEVENT6 0x326
282 #define CSR_MHPMEVENT7 0x327
283 #define CSR_MHPMEVENT8 0x328
284 #define CSR_MHPMEVENT9 0x329
285 #define CSR_MHPMEVENT10 0x32a
286 #define CSR_MHPMEVENT11 0x32b
287 #define CSR_MHPMEVENT12 0x32c
288 #define CSR_MHPMEVENT13 0x32d
289 #define CSR_MHPMEVENT14 0x32e
290 #define CSR_MHPMEVENT15 0x32f
291 #define CSR_MHPMEVENT16 0x330
292 #define CSR_MHPMEVENT17 0x331
293 #define CSR_MHPMEVENT18 0x332
294 #define CSR_MHPMEVENT19 0x333
295 #define CSR_MHPMEVENT20 0x334
296 #define CSR_MHPMEVENT21 0x335
297 #define CSR_MHPMEVENT22 0x336
298 #define CSR_MHPMEVENT23 0x337
299 #define CSR_MHPMEVENT24 0x338
300 #define CSR_MHPMEVENT25 0x339
301 #define CSR_MHPMEVENT26 0x33a
302 #define CSR_MHPMEVENT27 0x33b
303 #define CSR_MHPMEVENT28 0x33c
304 #define CSR_MHPMEVENT29 0x33d
305 #define CSR_MHPMEVENT30 0x33e
306 #define CSR_MHPMEVENT31 0x33f
307 #define CSR_MHPMCOUNTER3H 0xb83
308 #define CSR_MHPMCOUNTER4H 0xb84
309 #define CSR_MHPMCOUNTER5H 0xb85
310 #define CSR_MHPMCOUNTER6H 0xb86
311 #define CSR_MHPMCOUNTER7H 0xb87
312 #define CSR_MHPMCOUNTER8H 0xb88
313 #define CSR_MHPMCOUNTER9H 0xb89
314 #define CSR_MHPMCOUNTER10H 0xb8a
315 #define CSR_MHPMCOUNTER11H 0xb8b
316 #define CSR_MHPMCOUNTER12H 0xb8c
317 #define CSR_MHPMCOUNTER13H 0xb8d
318 #define CSR_MHPMCOUNTER14H 0xb8e
319 #define CSR_MHPMCOUNTER15H 0xb8f
320 #define CSR_MHPMCOUNTER16H 0xb90
321 #define CSR_MHPMCOUNTER17H 0xb91
322 #define CSR_MHPMCOUNTER18H 0xb92
323 #define CSR_MHPMCOUNTER19H 0xb93
324 #define CSR_MHPMCOUNTER20H 0xb94
325 #define CSR_MHPMCOUNTER21H 0xb95
326 #define CSR_MHPMCOUNTER22H 0xb96
327 #define CSR_MHPMCOUNTER23H 0xb97
328 #define CSR_MHPMCOUNTER24H 0xb98
329 #define CSR_MHPMCOUNTER25H 0xb99
330 #define CSR_MHPMCOUNTER26H 0xb9a
331 #define CSR_MHPMCOUNTER27H 0xb9b
332 #define CSR_MHPMCOUNTER28H 0xb9c
333 #define CSR_MHPMCOUNTER29H 0xb9d
334 #define CSR_MHPMCOUNTER30H 0xb9e
335 #define CSR_MHPMCOUNTER31H 0xb9f
336
337 /*
338 * User PointerMasking registers
339 * NB: actual CSR numbers might be changed in future
340 */
341 #define CSR_UMTE 0x4c0
342 #define CSR_UPMMASK 0x4c1
343 #define CSR_UPMBASE 0x4c2
344
345 /*
346 * Machine PointerMasking registers
347 * NB: actual CSR numbers might be changed in future
348 */
349 #define CSR_MMTE 0x3c0
350 #define CSR_MPMMASK 0x3c1
351 #define CSR_MPMBASE 0x3c2
352
353 /*
354 * Supervisor PointerMaster registers
355 * NB: actual CSR numbers might be changed in future
356 */
357 #define CSR_SMTE 0x1c0
358 #define CSR_SPMMASK 0x1c1
359 #define CSR_SPMBASE 0x1c2
360
361 /*
362 * Hypervisor PointerMaster registers
363 * NB: actual CSR numbers might be changed in future
364 */
365 #define CSR_VSMTE 0x2c0
366 #define CSR_VSPMMASK 0x2c1
367 #define CSR_VSPMBASE 0x2c2
368
369 /* mstatus CSR bits */
370 #define MSTATUS_UIE 0x00000001
371 #define MSTATUS_SIE 0x00000002
372 #define MSTATUS_MIE 0x00000008
373 #define MSTATUS_UPIE 0x00000010
374 #define MSTATUS_SPIE 0x00000020
375 #define MSTATUS_UBE 0x00000040
376 #define MSTATUS_MPIE 0x00000080
377 #define MSTATUS_SPP 0x00000100
378 #define MSTATUS_MPP 0x00001800
379 #define MSTATUS_FS 0x00006000
380 #define MSTATUS_XS 0x00018000
381 #define MSTATUS_MPRV 0x00020000
382 #define MSTATUS_SUM 0x00040000 /* since: priv-1.10 */
383 #define MSTATUS_MXR 0x00080000
384 #define MSTATUS_TVM 0x00100000 /* since: priv-1.10 */
385 #define MSTATUS_TW 0x00200000 /* since: priv-1.10 */
386 #define MSTATUS_TSR 0x00400000 /* since: priv-1.10 */
387 #define MSTATUS_GVA 0x4000000000ULL
388 #define MSTATUS_MPV 0x8000000000ULL
389
390 #define MSTATUS64_UXL 0x0000000300000000ULL
391 #define MSTATUS64_SXL 0x0000000C00000000ULL
392
393 #define MSTATUS32_SD 0x80000000
394 #define MSTATUS64_SD 0x8000000000000000ULL
395
396 #define MISA32_MXL 0xC0000000
397 #define MISA64_MXL 0xC000000000000000ULL
398
399 typedef enum {
400 MXL_RV32 = 1,
401 MXL_RV64 = 2,
402 MXL_RV128 = 3,
403 } RISCVMXL;
404
405 /* sstatus CSR bits */
406 #define SSTATUS_UIE 0x00000001
407 #define SSTATUS_SIE 0x00000002
408 #define SSTATUS_UPIE 0x00000010
409 #define SSTATUS_SPIE 0x00000020
410 #define SSTATUS_SPP 0x00000100
411 #define SSTATUS_FS 0x00006000
412 #define SSTATUS_XS 0x00018000
413 #define SSTATUS_SUM 0x00040000 /* since: priv-1.10 */
414 #define SSTATUS_MXR 0x00080000
415
416 #define SSTATUS32_SD 0x80000000
417 #define SSTATUS64_SD 0x8000000000000000ULL
418
419 /* hstatus CSR bits */
420 #define HSTATUS_VSBE 0x00000020
421 #define HSTATUS_GVA 0x00000040
422 #define HSTATUS_SPV 0x00000080
423 #define HSTATUS_SPVP 0x00000100
424 #define HSTATUS_HU 0x00000200
425 #define HSTATUS_VGEIN 0x0003F000
426 #define HSTATUS_VTVM 0x00100000
427 #define HSTATUS_VTW 0x00200000
428 #define HSTATUS_VTSR 0x00400000
429 #define HSTATUS_VSXL 0x300000000
430
431 #define HSTATUS32_WPRI 0xFF8FF87E
432 #define HSTATUS64_WPRI 0xFFFFFFFFFF8FF87EULL
433
434 #define COUNTEREN_CY (1 << 0)
435 #define COUNTEREN_TM (1 << 1)
436 #define COUNTEREN_IR (1 << 2)
437 #define COUNTEREN_HPM3 (1 << 3)
438
439 /* Privilege modes */
440 #define PRV_U 0
441 #define PRV_S 1
442 #define PRV_H 2 /* Reserved */
443 #define PRV_M 3
444
445 /* Virtulisation Register Fields */
446 #define VIRT_ONOFF 1
447
448 /* RV32 satp CSR field masks */
449 #define SATP32_MODE 0x80000000
450 #define SATP32_ASID 0x7fc00000
451 #define SATP32_PPN 0x003fffff
452
453 /* RV64 satp CSR field masks */
454 #define SATP64_MODE 0xF000000000000000ULL
455 #define SATP64_ASID 0x0FFFF00000000000ULL
456 #define SATP64_PPN 0x00000FFFFFFFFFFFULL
457
458 /* VM modes (satp.mode) privileged ISA 1.10 */
459 #define VM_1_10_MBARE 0
460 #define VM_1_10_SV32 1
461 #define VM_1_10_SV39 8
462 #define VM_1_10_SV48 9
463 #define VM_1_10_SV57 10
464 #define VM_1_10_SV64 11
465
466 /* Page table entry (PTE) fields */
467 #define PTE_V 0x001 /* Valid */
468 #define PTE_R 0x002 /* Read */
469 #define PTE_W 0x004 /* Write */
470 #define PTE_X 0x008 /* Execute */
471 #define PTE_U 0x010 /* User */
472 #define PTE_G 0x020 /* Global */
473 #define PTE_A 0x040 /* Accessed */
474 #define PTE_D 0x080 /* Dirty */
475 #define PTE_SOFT 0x300 /* Reserved for Software */
476
477 /* Page table PPN shift amount */
478 #define PTE_PPN_SHIFT 10
479
480 /* Leaf page shift amount */
481 #define PGSHIFT 12
482
483 /* Default Reset Vector adress */
484 #define DEFAULT_RSTVEC 0x1000
485
486 /* Exception causes */
487 typedef enum RISCVException {
488 RISCV_EXCP_NONE = -1, /* sentinel value */
489 RISCV_EXCP_INST_ADDR_MIS = 0x0,
490 RISCV_EXCP_INST_ACCESS_FAULT = 0x1,
491 RISCV_EXCP_ILLEGAL_INST = 0x2,
492 RISCV_EXCP_BREAKPOINT = 0x3,
493 RISCV_EXCP_LOAD_ADDR_MIS = 0x4,
494 RISCV_EXCP_LOAD_ACCESS_FAULT = 0x5,
495 RISCV_EXCP_STORE_AMO_ADDR_MIS = 0x6,
496 RISCV_EXCP_STORE_AMO_ACCESS_FAULT = 0x7,
497 RISCV_EXCP_U_ECALL = 0x8,
498 RISCV_EXCP_S_ECALL = 0x9,
499 RISCV_EXCP_VS_ECALL = 0xa,
500 RISCV_EXCP_M_ECALL = 0xb,
501 RISCV_EXCP_INST_PAGE_FAULT = 0xc, /* since: priv-1.10.0 */
502 RISCV_EXCP_LOAD_PAGE_FAULT = 0xd, /* since: priv-1.10.0 */
503 RISCV_EXCP_STORE_PAGE_FAULT = 0xf, /* since: priv-1.10.0 */
504 RISCV_EXCP_SEMIHOST = 0x10,
505 RISCV_EXCP_INST_GUEST_PAGE_FAULT = 0x14,
506 RISCV_EXCP_LOAD_GUEST_ACCESS_FAULT = 0x15,
507 RISCV_EXCP_VIRT_INSTRUCTION_FAULT = 0x16,
508 RISCV_EXCP_STORE_GUEST_AMO_ACCESS_FAULT = 0x17,
509 } RISCVException;
510
511 #define RISCV_EXCP_INT_FLAG 0x80000000
512 #define RISCV_EXCP_INT_MASK 0x7fffffff
513
514 /* Interrupt causes */
515 #define IRQ_U_SOFT 0
516 #define IRQ_S_SOFT 1
517 #define IRQ_VS_SOFT 2
518 #define IRQ_M_SOFT 3
519 #define IRQ_U_TIMER 4
520 #define IRQ_S_TIMER 5
521 #define IRQ_VS_TIMER 6
522 #define IRQ_M_TIMER 7
523 #define IRQ_U_EXT 8
524 #define IRQ_S_EXT 9
525 #define IRQ_VS_EXT 10
526 #define IRQ_M_EXT 11
527
528 /* mip masks */
529 #define MIP_USIP (1 << IRQ_U_SOFT)
530 #define MIP_SSIP (1 << IRQ_S_SOFT)
531 #define MIP_VSSIP (1 << IRQ_VS_SOFT)
532 #define MIP_MSIP (1 << IRQ_M_SOFT)
533 #define MIP_UTIP (1 << IRQ_U_TIMER)
534 #define MIP_STIP (1 << IRQ_S_TIMER)
535 #define MIP_VSTIP (1 << IRQ_VS_TIMER)
536 #define MIP_MTIP (1 << IRQ_M_TIMER)
537 #define MIP_UEIP (1 << IRQ_U_EXT)
538 #define MIP_SEIP (1 << IRQ_S_EXT)
539 #define MIP_VSEIP (1 << IRQ_VS_EXT)
540 #define MIP_MEIP (1 << IRQ_M_EXT)
541
542 /* sip masks */
543 #define SIP_SSIP MIP_SSIP
544 #define SIP_STIP MIP_STIP
545 #define SIP_SEIP MIP_SEIP
546
547 /* MIE masks */
548 #define MIE_SEIE (1 << IRQ_S_EXT)
549 #define MIE_UEIE (1 << IRQ_U_EXT)
550 #define MIE_STIE (1 << IRQ_S_TIMER)
551 #define MIE_UTIE (1 << IRQ_U_TIMER)
552 #define MIE_SSIE (1 << IRQ_S_SOFT)
553 #define MIE_USIE (1 << IRQ_U_SOFT)
554
555 /* General PointerMasking CSR bits*/
556 #define PM_ENABLE 0x00000001ULL
557 #define PM_CURRENT 0x00000002ULL
558 #define PM_INSN 0x00000004ULL
559 #define PM_XS_MASK 0x00000003ULL
560
561 /* PointerMasking XS bits values */
562 #define PM_EXT_DISABLE 0x00000000ULL
563 #define PM_EXT_INITIAL 0x00000001ULL
564 #define PM_EXT_CLEAN 0x00000002ULL
565 #define PM_EXT_DIRTY 0x00000003ULL
566
567 /* Offsets for every pair of control bits per each priv level */
568 #define XS_OFFSET 0ULL
569 #define U_OFFSET 2ULL
570 #define S_OFFSET 5ULL
571 #define M_OFFSET 8ULL
572
573 #define PM_XS_BITS (PM_XS_MASK << XS_OFFSET)
574 #define U_PM_ENABLE (PM_ENABLE << U_OFFSET)
575 #define U_PM_CURRENT (PM_CURRENT << U_OFFSET)
576 #define U_PM_INSN (PM_INSN << U_OFFSET)
577 #define S_PM_ENABLE (PM_ENABLE << S_OFFSET)
578 #define S_PM_CURRENT (PM_CURRENT << S_OFFSET)
579 #define S_PM_INSN (PM_INSN << S_OFFSET)
580 #define M_PM_ENABLE (PM_ENABLE << M_OFFSET)
581 #define M_PM_CURRENT (PM_CURRENT << M_OFFSET)
582 #define M_PM_INSN (PM_INSN << M_OFFSET)
583
584 /* mmte CSR bits */
585 #define MMTE_PM_XS_BITS PM_XS_BITS
586 #define MMTE_U_PM_ENABLE U_PM_ENABLE
587 #define MMTE_U_PM_CURRENT U_PM_CURRENT
588 #define MMTE_U_PM_INSN U_PM_INSN
589 #define MMTE_S_PM_ENABLE S_PM_ENABLE
590 #define MMTE_S_PM_CURRENT S_PM_CURRENT
591 #define MMTE_S_PM_INSN S_PM_INSN
592 #define MMTE_M_PM_ENABLE M_PM_ENABLE
593 #define MMTE_M_PM_CURRENT M_PM_CURRENT
594 #define MMTE_M_PM_INSN M_PM_INSN
595 #define MMTE_MASK (MMTE_U_PM_ENABLE | MMTE_U_PM_CURRENT | MMTE_U_PM_INSN | \
596 MMTE_S_PM_ENABLE | MMTE_S_PM_CURRENT | MMTE_S_PM_INSN | \
597 MMTE_M_PM_ENABLE | MMTE_M_PM_CURRENT | MMTE_M_PM_INSN | \
598 MMTE_PM_XS_BITS)
599
600 /* (v)smte CSR bits */
601 #define SMTE_PM_XS_BITS PM_XS_BITS
602 #define SMTE_U_PM_ENABLE U_PM_ENABLE
603 #define SMTE_U_PM_CURRENT U_PM_CURRENT
604 #define SMTE_U_PM_INSN U_PM_INSN
605 #define SMTE_S_PM_ENABLE S_PM_ENABLE
606 #define SMTE_S_PM_CURRENT S_PM_CURRENT
607 #define SMTE_S_PM_INSN S_PM_INSN
608 #define SMTE_MASK (SMTE_U_PM_ENABLE | SMTE_U_PM_CURRENT | SMTE_U_PM_INSN | \
609 SMTE_S_PM_ENABLE | SMTE_S_PM_CURRENT | SMTE_S_PM_INSN | \
610 SMTE_PM_XS_BITS)
611
612 /* umte CSR bits */
613 #define UMTE_U_PM_ENABLE U_PM_ENABLE
614 #define UMTE_U_PM_CURRENT U_PM_CURRENT
615 #define UMTE_U_PM_INSN U_PM_INSN
616 #define UMTE_MASK (UMTE_U_PM_ENABLE | MMTE_U_PM_CURRENT | UMTE_U_PM_INSN)
617
618 #endif