xref: /openbmc/qemu/target/riscv/cpu_bits.h (revision 37677d7d)
1 /* RISC-V ISA constants */
2 
3 #define get_field(reg, mask) (((reg) & \
4                  (target_ulong)(mask)) / ((mask) & ~((mask) << 1)))
5 #define set_field(reg, mask, val) (((reg) & ~(target_ulong)(mask)) | \
6                  (((target_ulong)(val) * ((mask) & ~((mask) << 1))) & \
7                  (target_ulong)(mask)))
8 
9 /* Floating point round mode */
10 #define FSR_RD_SHIFT        5
11 #define FSR_RD              (0x7 << FSR_RD_SHIFT)
12 
13 /* Floating point accrued exception flags */
14 #define FPEXC_NX            0x01
15 #define FPEXC_UF            0x02
16 #define FPEXC_OF            0x04
17 #define FPEXC_DZ            0x08
18 #define FPEXC_NV            0x10
19 
20 /* Floating point status register bits */
21 #define FSR_AEXC_SHIFT      0
22 #define FSR_NVA             (FPEXC_NV << FSR_AEXC_SHIFT)
23 #define FSR_OFA             (FPEXC_OF << FSR_AEXC_SHIFT)
24 #define FSR_UFA             (FPEXC_UF << FSR_AEXC_SHIFT)
25 #define FSR_DZA             (FPEXC_DZ << FSR_AEXC_SHIFT)
26 #define FSR_NXA             (FPEXC_NX << FSR_AEXC_SHIFT)
27 #define FSR_AEXC            (FSR_NVA | FSR_OFA | FSR_UFA | FSR_DZA | FSR_NXA)
28 
29 /* Control and Status Registers */
30 
31 /* User Trap Setup */
32 #define CSR_USTATUS         0x000
33 #define CSR_UIE             0x004
34 #define CSR_UTVEC           0x005
35 
36 /* User Trap Handling */
37 #define CSR_USCRATCH        0x040
38 #define CSR_UEPC            0x041
39 #define CSR_UCAUSE          0x042
40 #define CSR_UTVAL           0x043
41 #define CSR_UIP             0x044
42 
43 /* User Floating-Point CSRs */
44 #define CSR_FFLAGS          0x001
45 #define CSR_FRM             0x002
46 #define CSR_FCSR            0x003
47 
48 /* User Timers and Counters */
49 #define CSR_CYCLE           0xc00
50 #define CSR_TIME            0xc01
51 #define CSR_INSTRET         0xc02
52 #define CSR_HPMCOUNTER3     0xc03
53 #define CSR_HPMCOUNTER4     0xc04
54 #define CSR_HPMCOUNTER5     0xc05
55 #define CSR_HPMCOUNTER6     0xc06
56 #define CSR_HPMCOUNTER7     0xc07
57 #define CSR_HPMCOUNTER8     0xc08
58 #define CSR_HPMCOUNTER9     0xc09
59 #define CSR_HPMCOUNTER10    0xc0a
60 #define CSR_HPMCOUNTER11    0xc0b
61 #define CSR_HPMCOUNTER12    0xc0c
62 #define CSR_HPMCOUNTER13    0xc0d
63 #define CSR_HPMCOUNTER14    0xc0e
64 #define CSR_HPMCOUNTER15    0xc0f
65 #define CSR_HPMCOUNTER16    0xc10
66 #define CSR_HPMCOUNTER17    0xc11
67 #define CSR_HPMCOUNTER18    0xc12
68 #define CSR_HPMCOUNTER19    0xc13
69 #define CSR_HPMCOUNTER20    0xc14
70 #define CSR_HPMCOUNTER21    0xc15
71 #define CSR_HPMCOUNTER22    0xc16
72 #define CSR_HPMCOUNTER23    0xc17
73 #define CSR_HPMCOUNTER24    0xc18
74 #define CSR_HPMCOUNTER25    0xc19
75 #define CSR_HPMCOUNTER26    0xc1a
76 #define CSR_HPMCOUNTER27    0xc1b
77 #define CSR_HPMCOUNTER28    0xc1c
78 #define CSR_HPMCOUNTER29    0xc1d
79 #define CSR_HPMCOUNTER30    0xc1e
80 #define CSR_HPMCOUNTER31    0xc1f
81 #define CSR_CYCLEH          0xc80
82 #define CSR_TIMEH           0xc81
83 #define CSR_INSTRETH        0xc82
84 #define CSR_HPMCOUNTER3H    0xc83
85 #define CSR_HPMCOUNTER4H    0xc84
86 #define CSR_HPMCOUNTER5H    0xc85
87 #define CSR_HPMCOUNTER6H    0xc86
88 #define CSR_HPMCOUNTER7H    0xc87
89 #define CSR_HPMCOUNTER8H    0xc88
90 #define CSR_HPMCOUNTER9H    0xc89
91 #define CSR_HPMCOUNTER10H   0xc8a
92 #define CSR_HPMCOUNTER11H   0xc8b
93 #define CSR_HPMCOUNTER12H   0xc8c
94 #define CSR_HPMCOUNTER13H   0xc8d
95 #define CSR_HPMCOUNTER14H   0xc8e
96 #define CSR_HPMCOUNTER15H   0xc8f
97 #define CSR_HPMCOUNTER16H   0xc90
98 #define CSR_HPMCOUNTER17H   0xc91
99 #define CSR_HPMCOUNTER18H   0xc92
100 #define CSR_HPMCOUNTER19H   0xc93
101 #define CSR_HPMCOUNTER20H   0xc94
102 #define CSR_HPMCOUNTER21H   0xc95
103 #define CSR_HPMCOUNTER22H   0xc96
104 #define CSR_HPMCOUNTER23H   0xc97
105 #define CSR_HPMCOUNTER24H   0xc98
106 #define CSR_HPMCOUNTER25H   0xc99
107 #define CSR_HPMCOUNTER26H   0xc9a
108 #define CSR_HPMCOUNTER27H   0xc9b
109 #define CSR_HPMCOUNTER28H   0xc9c
110 #define CSR_HPMCOUNTER29H   0xc9d
111 #define CSR_HPMCOUNTER30H   0xc9e
112 #define CSR_HPMCOUNTER31H   0xc9f
113 
114 /* Machine Timers and Counters */
115 #define CSR_MCYCLE          0xb00
116 #define CSR_MINSTRET        0xb02
117 #define CSR_MCYCLEH         0xb80
118 #define CSR_MINSTRETH       0xb82
119 
120 /* Machine Information Registers */
121 #define CSR_MVENDORID       0xf11
122 #define CSR_MARCHID         0xf12
123 #define CSR_MIMPID          0xf13
124 #define CSR_MHARTID         0xf14
125 
126 /* Machine Trap Setup */
127 #define CSR_MSTATUS         0x300
128 #define CSR_MISA            0x301
129 #define CSR_MEDELEG         0x302
130 #define CSR_MIDELEG         0x303
131 #define CSR_MIE             0x304
132 #define CSR_MTVEC           0x305
133 #define CSR_MCOUNTEREN      0x306
134 
135 /* Legacy Counter Setup (priv v1.9.1) */
136 #define CSR_MUCOUNTEREN     0x320
137 #define CSR_MSCOUNTEREN     0x321
138 #define CSR_MHCOUNTEREN     0x322
139 
140 /* Machine Trap Handling */
141 #define CSR_MSCRATCH        0x340
142 #define CSR_MEPC            0x341
143 #define CSR_MCAUSE          0x342
144 #define CSR_MTVAL           0x343
145 #define CSR_MIP             0x344
146 
147 /* Legacy Machine Trap Handling (priv v1.9.1) */
148 #define CSR_MBADADDR        0x343
149 
150 /* Supervisor Trap Setup */
151 #define CSR_SSTATUS         0x100
152 #define CSR_SEDELEG         0x102
153 #define CSR_SIDELEG         0x103
154 #define CSR_SIE             0x104
155 #define CSR_STVEC           0x105
156 #define CSR_SCOUNTEREN      0x106
157 
158 /* Supervisor Trap Handling */
159 #define CSR_SSCRATCH        0x140
160 #define CSR_SEPC            0x141
161 #define CSR_SCAUSE          0x142
162 #define CSR_STVAL           0x143
163 #define CSR_SIP             0x144
164 
165 /* Legacy Supervisor Trap Handling (priv v1.9.1) */
166 #define CSR_SBADADDR        0x143
167 
168 /* Supervisor Protection and Translation */
169 #define CSR_SPTBR           0x180
170 #define CSR_SATP            0x180
171 
172 /* Physical Memory Protection */
173 #define CSR_PMPCFG0         0x3a0
174 #define CSR_PMPCFG1         0x3a1
175 #define CSR_PMPCFG2         0x3a2
176 #define CSR_PMPCFG3         0x3a3
177 #define CSR_PMPADDR0        0x3b0
178 #define CSR_PMPADDR1        0x3b1
179 #define CSR_PMPADDR2        0x3b2
180 #define CSR_PMPADDR3        0x3b3
181 #define CSR_PMPADDR4        0x3b4
182 #define CSR_PMPADDR5        0x3b5
183 #define CSR_PMPADDR6        0x3b6
184 #define CSR_PMPADDR7        0x3b7
185 #define CSR_PMPADDR8        0x3b8
186 #define CSR_PMPADDR9        0x3b9
187 #define CSR_PMPADDR10       0x3ba
188 #define CSR_PMPADDR11       0x3bb
189 #define CSR_PMPADDR12       0x3bc
190 #define CSR_PMPADDR13       0x3bd
191 #define CSR_PMPADDR14       0x3be
192 #define CSR_PMPADDR15       0x3bf
193 
194 /* Debug/Trace Registers (shared with Debug Mode) */
195 #define CSR_TSELECT         0x7a0
196 #define CSR_TDATA1          0x7a1
197 #define CSR_TDATA2          0x7a2
198 #define CSR_TDATA3          0x7a3
199 
200 /* Debug Mode Registers */
201 #define CSR_DCSR            0x7b0
202 #define CSR_DPC             0x7b1
203 #define CSR_DSCRATCH        0x7b2
204 
205 /* Hpervisor CSRs */
206 #define CSR_HSTATUS         0xa00
207 #define CSR_HEDELEG         0xa02
208 #define CSR_HIDELEG         0xa03
209 #define CSR_HGATP           0xa80
210 
211 #if defined(TARGET_RISCV32)
212 #define HGATP_MODE           SATP32_MODE
213 #define HGATP_ASID           SATP32_ASID
214 #define HGATP_PPN            SATP32_PPN
215 #endif
216 #if defined(TARGET_RISCV64)
217 #define HGATP_MODE           SATP64_MODE
218 #define HGATP_ASID           SATP64_ASID
219 #define HGATP_PPN            SATP64_PPN
220 #endif
221 
222 /* Performance Counters */
223 #define CSR_MHPMCOUNTER3    0xb03
224 #define CSR_MHPMCOUNTER4    0xb04
225 #define CSR_MHPMCOUNTER5    0xb05
226 #define CSR_MHPMCOUNTER6    0xb06
227 #define CSR_MHPMCOUNTER7    0xb07
228 #define CSR_MHPMCOUNTER8    0xb08
229 #define CSR_MHPMCOUNTER9    0xb09
230 #define CSR_MHPMCOUNTER10   0xb0a
231 #define CSR_MHPMCOUNTER11   0xb0b
232 #define CSR_MHPMCOUNTER12   0xb0c
233 #define CSR_MHPMCOUNTER13   0xb0d
234 #define CSR_MHPMCOUNTER14   0xb0e
235 #define CSR_MHPMCOUNTER15   0xb0f
236 #define CSR_MHPMCOUNTER16   0xb10
237 #define CSR_MHPMCOUNTER17   0xb11
238 #define CSR_MHPMCOUNTER18   0xb12
239 #define CSR_MHPMCOUNTER19   0xb13
240 #define CSR_MHPMCOUNTER20   0xb14
241 #define CSR_MHPMCOUNTER21   0xb15
242 #define CSR_MHPMCOUNTER22   0xb16
243 #define CSR_MHPMCOUNTER23   0xb17
244 #define CSR_MHPMCOUNTER24   0xb18
245 #define CSR_MHPMCOUNTER25   0xb19
246 #define CSR_MHPMCOUNTER26   0xb1a
247 #define CSR_MHPMCOUNTER27   0xb1b
248 #define CSR_MHPMCOUNTER28   0xb1c
249 #define CSR_MHPMCOUNTER29   0xb1d
250 #define CSR_MHPMCOUNTER30   0xb1e
251 #define CSR_MHPMCOUNTER31   0xb1f
252 #define CSR_MHPMEVENT3      0x323
253 #define CSR_MHPMEVENT4      0x324
254 #define CSR_MHPMEVENT5      0x325
255 #define CSR_MHPMEVENT6      0x326
256 #define CSR_MHPMEVENT7      0x327
257 #define CSR_MHPMEVENT8      0x328
258 #define CSR_MHPMEVENT9      0x329
259 #define CSR_MHPMEVENT10     0x32a
260 #define CSR_MHPMEVENT11     0x32b
261 #define CSR_MHPMEVENT12     0x32c
262 #define CSR_MHPMEVENT13     0x32d
263 #define CSR_MHPMEVENT14     0x32e
264 #define CSR_MHPMEVENT15     0x32f
265 #define CSR_MHPMEVENT16     0x330
266 #define CSR_MHPMEVENT17     0x331
267 #define CSR_MHPMEVENT18     0x332
268 #define CSR_MHPMEVENT19     0x333
269 #define CSR_MHPMEVENT20     0x334
270 #define CSR_MHPMEVENT21     0x335
271 #define CSR_MHPMEVENT22     0x336
272 #define CSR_MHPMEVENT23     0x337
273 #define CSR_MHPMEVENT24     0x338
274 #define CSR_MHPMEVENT25     0x339
275 #define CSR_MHPMEVENT26     0x33a
276 #define CSR_MHPMEVENT27     0x33b
277 #define CSR_MHPMEVENT28     0x33c
278 #define CSR_MHPMEVENT29     0x33d
279 #define CSR_MHPMEVENT30     0x33e
280 #define CSR_MHPMEVENT31     0x33f
281 #define CSR_MHPMCOUNTER3H   0xb83
282 #define CSR_MHPMCOUNTER4H   0xb84
283 #define CSR_MHPMCOUNTER5H   0xb85
284 #define CSR_MHPMCOUNTER6H   0xb86
285 #define CSR_MHPMCOUNTER7H   0xb87
286 #define CSR_MHPMCOUNTER8H   0xb88
287 #define CSR_MHPMCOUNTER9H   0xb89
288 #define CSR_MHPMCOUNTER10H  0xb8a
289 #define CSR_MHPMCOUNTER11H  0xb8b
290 #define CSR_MHPMCOUNTER12H  0xb8c
291 #define CSR_MHPMCOUNTER13H  0xb8d
292 #define CSR_MHPMCOUNTER14H  0xb8e
293 #define CSR_MHPMCOUNTER15H  0xb8f
294 #define CSR_MHPMCOUNTER16H  0xb90
295 #define CSR_MHPMCOUNTER17H  0xb91
296 #define CSR_MHPMCOUNTER18H  0xb92
297 #define CSR_MHPMCOUNTER19H  0xb93
298 #define CSR_MHPMCOUNTER20H  0xb94
299 #define CSR_MHPMCOUNTER21H  0xb95
300 #define CSR_MHPMCOUNTER22H  0xb96
301 #define CSR_MHPMCOUNTER23H  0xb97
302 #define CSR_MHPMCOUNTER24H  0xb98
303 #define CSR_MHPMCOUNTER25H  0xb99
304 #define CSR_MHPMCOUNTER26H  0xb9a
305 #define CSR_MHPMCOUNTER27H  0xb9b
306 #define CSR_MHPMCOUNTER28H  0xb9c
307 #define CSR_MHPMCOUNTER29H  0xb9d
308 #define CSR_MHPMCOUNTER30H  0xb9e
309 #define CSR_MHPMCOUNTER31H  0xb9f
310 
311 /* Legacy Hypervisor Trap Setup (priv v1.9.1) */
312 #define CSR_HIE             0x204
313 #define CSR_HTVEC           0x205
314 
315 /* Legacy Hypervisor Trap Handling (priv v1.9.1) */
316 #define CSR_HSCRATCH        0x240
317 #define CSR_HEPC            0x241
318 #define CSR_HCAUSE          0x242
319 #define CSR_HBADADDR        0x243
320 #define CSR_HIP             0x244
321 
322 /* Legacy Machine Protection and Translation (priv v1.9.1) */
323 #define CSR_MBASE           0x380
324 #define CSR_MBOUND          0x381
325 #define CSR_MIBASE          0x382
326 #define CSR_MIBOUND         0x383
327 #define CSR_MDBASE          0x384
328 #define CSR_MDBOUND         0x385
329 
330 /* mstatus CSR bits */
331 #define MSTATUS_UIE         0x00000001
332 #define MSTATUS_SIE         0x00000002
333 #define MSTATUS_MIE         0x00000008
334 #define MSTATUS_UPIE        0x00000010
335 #define MSTATUS_SPIE        0x00000020
336 #define MSTATUS_MPIE        0x00000080
337 #define MSTATUS_SPP         0x00000100
338 #define MSTATUS_MPP         0x00001800
339 #define MSTATUS_FS          0x00006000
340 #define MSTATUS_XS          0x00018000
341 #define MSTATUS_MPRV        0x00020000
342 #define MSTATUS_PUM         0x00040000 /* until: priv-1.9.1 */
343 #define MSTATUS_SUM         0x00040000 /* since: priv-1.10 */
344 #define MSTATUS_MXR         0x00080000
345 #define MSTATUS_VM          0x1F000000 /* until: priv-1.9.1 */
346 #define MSTATUS_TVM         0x00100000 /* since: priv-1.10 */
347 #define MSTATUS_TW          0x20000000 /* since: priv-1.10 */
348 #define MSTATUS_TSR         0x40000000 /* since: priv-1.10 */
349 #define MSTATUS_MTL         0x4000000000ULL
350 #define MSTATUS_MPV         0x8000000000ULL
351 
352 #define MSTATUS64_UXL       0x0000000300000000ULL
353 #define MSTATUS64_SXL       0x0000000C00000000ULL
354 
355 #define MSTATUS32_SD        0x80000000
356 #define MSTATUS64_SD        0x8000000000000000ULL
357 
358 #define MISA32_MXL          0xC0000000
359 #define MISA64_MXL          0xC000000000000000ULL
360 
361 #define MXL_RV32            1
362 #define MXL_RV64            2
363 #define MXL_RV128           3
364 
365 #if defined(TARGET_RISCV32)
366 #define MSTATUS_SD MSTATUS32_SD
367 #define MISA_MXL MISA32_MXL
368 #define MXL_VAL MXL_RV32
369 #elif defined(TARGET_RISCV64)
370 #define MSTATUS_SD MSTATUS64_SD
371 #define MISA_MXL MISA64_MXL
372 #define MXL_VAL MXL_RV64
373 #endif
374 
375 /* sstatus CSR bits */
376 #define SSTATUS_UIE         0x00000001
377 #define SSTATUS_SIE         0x00000002
378 #define SSTATUS_UPIE        0x00000010
379 #define SSTATUS_SPIE        0x00000020
380 #define SSTATUS_SPP         0x00000100
381 #define SSTATUS_FS          0x00006000
382 #define SSTATUS_XS          0x00018000
383 #define SSTATUS_PUM         0x00040000 /* until: priv-1.9.1 */
384 #define SSTATUS_SUM         0x00040000 /* since: priv-1.10 */
385 #define SSTATUS_MXR         0x00080000
386 
387 #define SSTATUS32_SD        0x80000000
388 #define SSTATUS64_SD        0x8000000000000000ULL
389 
390 #if defined(TARGET_RISCV32)
391 #define SSTATUS_SD SSTATUS32_SD
392 #elif defined(TARGET_RISCV64)
393 #define SSTATUS_SD SSTATUS64_SD
394 #endif
395 
396 /* hstatus CSR bits */
397 #define HSTATUS_SPRV         0x00000001
398 #define HSTATUS_STL          0x00000040
399 #define HSTATUS_SPV          0x00000080
400 #define HSTATUS_SP2P         0x00000100
401 #define HSTATUS_SP2V         0x00000200
402 #define HSTATUS_VTVM         0x00100000
403 #define HSTATUS_VTSR         0x00400000
404 
405 #define HSTATUS32_WPRI       0xFF8FF87E
406 #define HSTATUS64_WPRI       0xFFFFFFFFFF8FF87EULL
407 
408 #if defined(TARGET_RISCV32)
409 #define HSTATUS_WPRI HSTATUS32_WPRI
410 #elif defined(TARGET_RISCV64)
411 #define HSTATUS_WPRI HSTATUS64_WPRI
412 #endif
413 
414 /* Privilege modes */
415 #define PRV_U 0
416 #define PRV_S 1
417 #define PRV_H 2 /* Reserved */
418 #define PRV_M 3
419 
420 /* RV32 satp CSR field masks */
421 #define SATP32_MODE         0x80000000
422 #define SATP32_ASID         0x7fc00000
423 #define SATP32_PPN          0x003fffff
424 
425 /* RV64 satp CSR field masks */
426 #define SATP64_MODE         0xF000000000000000ULL
427 #define SATP64_ASID         0x0FFFF00000000000ULL
428 #define SATP64_PPN          0x00000FFFFFFFFFFFULL
429 
430 #if defined(TARGET_RISCV32)
431 #define SATP_MODE           SATP32_MODE
432 #define SATP_ASID           SATP32_ASID
433 #define SATP_PPN            SATP32_PPN
434 #endif
435 #if defined(TARGET_RISCV64)
436 #define SATP_MODE           SATP64_MODE
437 #define SATP_ASID           SATP64_ASID
438 #define SATP_PPN            SATP64_PPN
439 #endif
440 
441 /* VM modes (mstatus.vm) privileged ISA 1.9.1 */
442 #define VM_1_09_MBARE       0
443 #define VM_1_09_MBB         1
444 #define VM_1_09_MBBID       2
445 #define VM_1_09_SV32        8
446 #define VM_1_09_SV39        9
447 #define VM_1_09_SV48        10
448 
449 /* VM modes (satp.mode) privileged ISA 1.10 */
450 #define VM_1_10_MBARE       0
451 #define VM_1_10_SV32        1
452 #define VM_1_10_SV39        8
453 #define VM_1_10_SV48        9
454 #define VM_1_10_SV57        10
455 #define VM_1_10_SV64        11
456 
457 /* Page table entry (PTE) fields */
458 #define PTE_V               0x001 /* Valid */
459 #define PTE_R               0x002 /* Read */
460 #define PTE_W               0x004 /* Write */
461 #define PTE_X               0x008 /* Execute */
462 #define PTE_U               0x010 /* User */
463 #define PTE_G               0x020 /* Global */
464 #define PTE_A               0x040 /* Accessed */
465 #define PTE_D               0x080 /* Dirty */
466 #define PTE_SOFT            0x300 /* Reserved for Software */
467 
468 /* Page table PPN shift amount */
469 #define PTE_PPN_SHIFT       10
470 
471 /* Leaf page shift amount */
472 #define PGSHIFT             12
473 
474 /* Default Reset Vector adress */
475 #define DEFAULT_RSTVEC      0x1000
476 
477 /* Exception causes */
478 #define EXCP_NONE                          -1 /* sentinel value */
479 #define RISCV_EXCP_INST_ADDR_MIS           0x0
480 #define RISCV_EXCP_INST_ACCESS_FAULT       0x1
481 #define RISCV_EXCP_ILLEGAL_INST            0x2
482 #define RISCV_EXCP_BREAKPOINT              0x3
483 #define RISCV_EXCP_LOAD_ADDR_MIS           0x4
484 #define RISCV_EXCP_LOAD_ACCESS_FAULT       0x5
485 #define RISCV_EXCP_STORE_AMO_ADDR_MIS      0x6
486 #define RISCV_EXCP_STORE_AMO_ACCESS_FAULT  0x7
487 #define RISCV_EXCP_U_ECALL                 0x8
488 #define RISCV_EXCP_S_ECALL                 0x9
489 #define RISCV_EXCP_H_ECALL                 0xa
490 #define RISCV_EXCP_M_ECALL                 0xb
491 #define RISCV_EXCP_INST_PAGE_FAULT         0xc /* since: priv-1.10.0 */
492 #define RISCV_EXCP_LOAD_PAGE_FAULT         0xd /* since: priv-1.10.0 */
493 #define RISCV_EXCP_STORE_PAGE_FAULT        0xf /* since: priv-1.10.0 */
494 
495 #define RISCV_EXCP_INT_FLAG                0x80000000
496 #define RISCV_EXCP_INT_MASK                0x7fffffff
497 
498 /* Interrupt causes */
499 #define IRQ_U_SOFT                         0
500 #define IRQ_S_SOFT                         1
501 #define IRQ_H_SOFT                         2  /* reserved */
502 #define IRQ_M_SOFT                         3
503 #define IRQ_U_TIMER                        4
504 #define IRQ_S_TIMER                        5
505 #define IRQ_H_TIMER                        6  /* reserved */
506 #define IRQ_M_TIMER                        7
507 #define IRQ_U_EXT                          8
508 #define IRQ_S_EXT                          9
509 #define IRQ_H_EXT                          10 /* reserved */
510 #define IRQ_M_EXT                          11
511 
512 /* mip masks */
513 #define MIP_USIP                           (1 << IRQ_U_SOFT)
514 #define MIP_SSIP                           (1 << IRQ_S_SOFT)
515 #define MIP_HSIP                           (1 << IRQ_H_SOFT)
516 #define MIP_MSIP                           (1 << IRQ_M_SOFT)
517 #define MIP_UTIP                           (1 << IRQ_U_TIMER)
518 #define MIP_STIP                           (1 << IRQ_S_TIMER)
519 #define MIP_HTIP                           (1 << IRQ_H_TIMER)
520 #define MIP_MTIP                           (1 << IRQ_M_TIMER)
521 #define MIP_UEIP                           (1 << IRQ_U_EXT)
522 #define MIP_SEIP                           (1 << IRQ_S_EXT)
523 #define MIP_HEIP                           (1 << IRQ_H_EXT)
524 #define MIP_MEIP                           (1 << IRQ_M_EXT)
525 
526 /* sip masks */
527 #define SIP_SSIP                           MIP_SSIP
528 #define SIP_STIP                           MIP_STIP
529 #define SIP_SEIP                           MIP_SEIP
530