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 151 152 /* Machine Trap Setup */ 153 #define CSR_MSTATUS 0x300 154 #define CSR_MISA 0x301 155 #define CSR_MEDELEG 0x302 156 #define CSR_MIDELEG 0x303 157 #define CSR_MIE 0x304 158 #define CSR_MTVEC 0x305 159 #define CSR_MCOUNTEREN 0x306 160 161 /* 32-bit only */ 162 #define CSR_MSTATUSH 0x310 163 164 /* Machine Trap Handling */ 165 #define CSR_MSCRATCH 0x340 166 #define CSR_MEPC 0x341 167 #define CSR_MCAUSE 0x342 168 #define CSR_MTVAL 0x343 169 #define CSR_MIP 0x344 170 171 /* Machine-Level Window to Indirectly Accessed Registers (AIA) */ 172 #define CSR_MISELECT 0x350 173 #define CSR_MIREG 0x351 174 175 /* Machine-Level Interrupts (AIA) */ 176 #define CSR_MTOPI 0xfb0 177 178 /* Machine-Level IMSIC Interface (AIA) */ 179 #define CSR_MSETEIPNUM 0x358 180 #define CSR_MCLREIPNUM 0x359 181 #define CSR_MSETEIENUM 0x35a 182 #define CSR_MCLREIENUM 0x35b 183 #define CSR_MTOPEI 0x35c 184 185 /* Virtual Interrupts for Supervisor Level (AIA) */ 186 #define CSR_MVIEN 0x308 187 #define CSR_MVIP 0x309 188 189 /* Machine-Level High-Half CSRs (AIA) */ 190 #define CSR_MIDELEGH 0x313 191 #define CSR_MIEH 0x314 192 #define CSR_MVIENH 0x318 193 #define CSR_MVIPH 0x319 194 #define CSR_MIPH 0x354 195 196 /* Supervisor Trap Setup */ 197 #define CSR_SSTATUS 0x100 198 #define CSR_SEDELEG 0x102 199 #define CSR_SIDELEG 0x103 200 #define CSR_SIE 0x104 201 #define CSR_STVEC 0x105 202 #define CSR_SCOUNTEREN 0x106 203 204 /* Supervisor Trap Handling */ 205 #define CSR_SSCRATCH 0x140 206 #define CSR_SEPC 0x141 207 #define CSR_SCAUSE 0x142 208 #define CSR_STVAL 0x143 209 #define CSR_SIP 0x144 210 211 /* Supervisor Protection and Translation */ 212 #define CSR_SPTBR 0x180 213 #define CSR_SATP 0x180 214 215 /* Supervisor-Level Window to Indirectly Accessed Registers (AIA) */ 216 #define CSR_SISELECT 0x150 217 #define CSR_SIREG 0x151 218 219 /* Supervisor-Level Interrupts (AIA) */ 220 #define CSR_STOPI 0xdb0 221 222 /* Supervisor-Level IMSIC Interface (AIA) */ 223 #define CSR_SSETEIPNUM 0x158 224 #define CSR_SCLREIPNUM 0x159 225 #define CSR_SSETEIENUM 0x15a 226 #define CSR_SCLREIENUM 0x15b 227 #define CSR_STOPEI 0x15c 228 229 /* Supervisor-Level High-Half CSRs (AIA) */ 230 #define CSR_SIEH 0x114 231 #define CSR_SIPH 0x154 232 233 /* Hpervisor CSRs */ 234 #define CSR_HSTATUS 0x600 235 #define CSR_HEDELEG 0x602 236 #define CSR_HIDELEG 0x603 237 #define CSR_HIE 0x604 238 #define CSR_HCOUNTEREN 0x606 239 #define CSR_HGEIE 0x607 240 #define CSR_HTVAL 0x643 241 #define CSR_HVIP 0x645 242 #define CSR_HIP 0x644 243 #define CSR_HTINST 0x64A 244 #define CSR_HGEIP 0xE12 245 #define CSR_HGATP 0x680 246 #define CSR_HTIMEDELTA 0x605 247 #define CSR_HTIMEDELTAH 0x615 248 249 /* Virtual CSRs */ 250 #define CSR_VSSTATUS 0x200 251 #define CSR_VSIE 0x204 252 #define CSR_VSTVEC 0x205 253 #define CSR_VSSCRATCH 0x240 254 #define CSR_VSEPC 0x241 255 #define CSR_VSCAUSE 0x242 256 #define CSR_VSTVAL 0x243 257 #define CSR_VSIP 0x244 258 #define CSR_VSATP 0x280 259 260 #define CSR_MTINST 0x34a 261 #define CSR_MTVAL2 0x34b 262 263 /* Virtual Interrupts and Interrupt Priorities (H-extension with AIA) */ 264 #define CSR_HVIEN 0x608 265 #define CSR_HVICTL 0x609 266 #define CSR_HVIPRIO1 0x646 267 #define CSR_HVIPRIO2 0x647 268 269 /* VS-Level Window to Indirectly Accessed Registers (H-extension with AIA) */ 270 #define CSR_VSISELECT 0x250 271 #define CSR_VSIREG 0x251 272 273 /* VS-Level Interrupts (H-extension with AIA) */ 274 #define CSR_VSTOPI 0xeb0 275 276 /* VS-Level IMSIC Interface (H-extension with AIA) */ 277 #define CSR_VSSETEIPNUM 0x258 278 #define CSR_VSCLREIPNUM 0x259 279 #define CSR_VSSETEIENUM 0x25a 280 #define CSR_VSCLREIENUM 0x25b 281 #define CSR_VSTOPEI 0x25c 282 283 /* Hypervisor and VS-Level High-Half CSRs (H-extension with AIA) */ 284 #define CSR_HIDELEGH 0x613 285 #define CSR_HVIENH 0x618 286 #define CSR_HVIPH 0x655 287 #define CSR_HVIPRIO1H 0x656 288 #define CSR_HVIPRIO2H 0x657 289 #define CSR_VSIEH 0x214 290 #define CSR_VSIPH 0x254 291 292 /* Enhanced Physical Memory Protection (ePMP) */ 293 #define CSR_MSECCFG 0x747 294 #define CSR_MSECCFGH 0x757 295 /* Physical Memory Protection */ 296 #define CSR_PMPCFG0 0x3a0 297 #define CSR_PMPCFG1 0x3a1 298 #define CSR_PMPCFG2 0x3a2 299 #define CSR_PMPCFG3 0x3a3 300 #define CSR_PMPADDR0 0x3b0 301 #define CSR_PMPADDR1 0x3b1 302 #define CSR_PMPADDR2 0x3b2 303 #define CSR_PMPADDR3 0x3b3 304 #define CSR_PMPADDR4 0x3b4 305 #define CSR_PMPADDR5 0x3b5 306 #define CSR_PMPADDR6 0x3b6 307 #define CSR_PMPADDR7 0x3b7 308 #define CSR_PMPADDR8 0x3b8 309 #define CSR_PMPADDR9 0x3b9 310 #define CSR_PMPADDR10 0x3ba 311 #define CSR_PMPADDR11 0x3bb 312 #define CSR_PMPADDR12 0x3bc 313 #define CSR_PMPADDR13 0x3bd 314 #define CSR_PMPADDR14 0x3be 315 #define CSR_PMPADDR15 0x3bf 316 317 /* Debug/Trace Registers (shared with Debug Mode) */ 318 #define CSR_TSELECT 0x7a0 319 #define CSR_TDATA1 0x7a1 320 #define CSR_TDATA2 0x7a2 321 #define CSR_TDATA3 0x7a3 322 323 /* Debug Mode Registers */ 324 #define CSR_DCSR 0x7b0 325 #define CSR_DPC 0x7b1 326 #define CSR_DSCRATCH 0x7b2 327 328 /* Performance Counters */ 329 #define CSR_MHPMCOUNTER3 0xb03 330 #define CSR_MHPMCOUNTER4 0xb04 331 #define CSR_MHPMCOUNTER5 0xb05 332 #define CSR_MHPMCOUNTER6 0xb06 333 #define CSR_MHPMCOUNTER7 0xb07 334 #define CSR_MHPMCOUNTER8 0xb08 335 #define CSR_MHPMCOUNTER9 0xb09 336 #define CSR_MHPMCOUNTER10 0xb0a 337 #define CSR_MHPMCOUNTER11 0xb0b 338 #define CSR_MHPMCOUNTER12 0xb0c 339 #define CSR_MHPMCOUNTER13 0xb0d 340 #define CSR_MHPMCOUNTER14 0xb0e 341 #define CSR_MHPMCOUNTER15 0xb0f 342 #define CSR_MHPMCOUNTER16 0xb10 343 #define CSR_MHPMCOUNTER17 0xb11 344 #define CSR_MHPMCOUNTER18 0xb12 345 #define CSR_MHPMCOUNTER19 0xb13 346 #define CSR_MHPMCOUNTER20 0xb14 347 #define CSR_MHPMCOUNTER21 0xb15 348 #define CSR_MHPMCOUNTER22 0xb16 349 #define CSR_MHPMCOUNTER23 0xb17 350 #define CSR_MHPMCOUNTER24 0xb18 351 #define CSR_MHPMCOUNTER25 0xb19 352 #define CSR_MHPMCOUNTER26 0xb1a 353 #define CSR_MHPMCOUNTER27 0xb1b 354 #define CSR_MHPMCOUNTER28 0xb1c 355 #define CSR_MHPMCOUNTER29 0xb1d 356 #define CSR_MHPMCOUNTER30 0xb1e 357 #define CSR_MHPMCOUNTER31 0xb1f 358 #define CSR_MHPMEVENT3 0x323 359 #define CSR_MHPMEVENT4 0x324 360 #define CSR_MHPMEVENT5 0x325 361 #define CSR_MHPMEVENT6 0x326 362 #define CSR_MHPMEVENT7 0x327 363 #define CSR_MHPMEVENT8 0x328 364 #define CSR_MHPMEVENT9 0x329 365 #define CSR_MHPMEVENT10 0x32a 366 #define CSR_MHPMEVENT11 0x32b 367 #define CSR_MHPMEVENT12 0x32c 368 #define CSR_MHPMEVENT13 0x32d 369 #define CSR_MHPMEVENT14 0x32e 370 #define CSR_MHPMEVENT15 0x32f 371 #define CSR_MHPMEVENT16 0x330 372 #define CSR_MHPMEVENT17 0x331 373 #define CSR_MHPMEVENT18 0x332 374 #define CSR_MHPMEVENT19 0x333 375 #define CSR_MHPMEVENT20 0x334 376 #define CSR_MHPMEVENT21 0x335 377 #define CSR_MHPMEVENT22 0x336 378 #define CSR_MHPMEVENT23 0x337 379 #define CSR_MHPMEVENT24 0x338 380 #define CSR_MHPMEVENT25 0x339 381 #define CSR_MHPMEVENT26 0x33a 382 #define CSR_MHPMEVENT27 0x33b 383 #define CSR_MHPMEVENT28 0x33c 384 #define CSR_MHPMEVENT29 0x33d 385 #define CSR_MHPMEVENT30 0x33e 386 #define CSR_MHPMEVENT31 0x33f 387 #define CSR_MHPMCOUNTER3H 0xb83 388 #define CSR_MHPMCOUNTER4H 0xb84 389 #define CSR_MHPMCOUNTER5H 0xb85 390 #define CSR_MHPMCOUNTER6H 0xb86 391 #define CSR_MHPMCOUNTER7H 0xb87 392 #define CSR_MHPMCOUNTER8H 0xb88 393 #define CSR_MHPMCOUNTER9H 0xb89 394 #define CSR_MHPMCOUNTER10H 0xb8a 395 #define CSR_MHPMCOUNTER11H 0xb8b 396 #define CSR_MHPMCOUNTER12H 0xb8c 397 #define CSR_MHPMCOUNTER13H 0xb8d 398 #define CSR_MHPMCOUNTER14H 0xb8e 399 #define CSR_MHPMCOUNTER15H 0xb8f 400 #define CSR_MHPMCOUNTER16H 0xb90 401 #define CSR_MHPMCOUNTER17H 0xb91 402 #define CSR_MHPMCOUNTER18H 0xb92 403 #define CSR_MHPMCOUNTER19H 0xb93 404 #define CSR_MHPMCOUNTER20H 0xb94 405 #define CSR_MHPMCOUNTER21H 0xb95 406 #define CSR_MHPMCOUNTER22H 0xb96 407 #define CSR_MHPMCOUNTER23H 0xb97 408 #define CSR_MHPMCOUNTER24H 0xb98 409 #define CSR_MHPMCOUNTER25H 0xb99 410 #define CSR_MHPMCOUNTER26H 0xb9a 411 #define CSR_MHPMCOUNTER27H 0xb9b 412 #define CSR_MHPMCOUNTER28H 0xb9c 413 #define CSR_MHPMCOUNTER29H 0xb9d 414 #define CSR_MHPMCOUNTER30H 0xb9e 415 #define CSR_MHPMCOUNTER31H 0xb9f 416 417 /* 418 * User PointerMasking registers 419 * NB: actual CSR numbers might be changed in future 420 */ 421 #define CSR_UMTE 0x4c0 422 #define CSR_UPMMASK 0x4c1 423 #define CSR_UPMBASE 0x4c2 424 425 /* 426 * Machine PointerMasking registers 427 * NB: actual CSR numbers might be changed in future 428 */ 429 #define CSR_MMTE 0x3c0 430 #define CSR_MPMMASK 0x3c1 431 #define CSR_MPMBASE 0x3c2 432 433 /* 434 * Supervisor PointerMaster registers 435 * NB: actual CSR numbers might be changed in future 436 */ 437 #define CSR_SMTE 0x1c0 438 #define CSR_SPMMASK 0x1c1 439 #define CSR_SPMBASE 0x1c2 440 441 /* 442 * Hypervisor PointerMaster registers 443 * NB: actual CSR numbers might be changed in future 444 */ 445 #define CSR_VSMTE 0x2c0 446 #define CSR_VSPMMASK 0x2c1 447 #define CSR_VSPMBASE 0x2c2 448 449 /* mstatus CSR bits */ 450 #define MSTATUS_UIE 0x00000001 451 #define MSTATUS_SIE 0x00000002 452 #define MSTATUS_MIE 0x00000008 453 #define MSTATUS_UPIE 0x00000010 454 #define MSTATUS_SPIE 0x00000020 455 #define MSTATUS_UBE 0x00000040 456 #define MSTATUS_MPIE 0x00000080 457 #define MSTATUS_SPP 0x00000100 458 #define MSTATUS_VS 0x00000600 459 #define MSTATUS_MPP 0x00001800 460 #define MSTATUS_FS 0x00006000 461 #define MSTATUS_XS 0x00018000 462 #define MSTATUS_MPRV 0x00020000 463 #define MSTATUS_SUM 0x00040000 /* since: priv-1.10 */ 464 #define MSTATUS_MXR 0x00080000 465 #define MSTATUS_TVM 0x00100000 /* since: priv-1.10 */ 466 #define MSTATUS_TW 0x00200000 /* since: priv-1.10 */ 467 #define MSTATUS_TSR 0x00400000 /* since: priv-1.10 */ 468 #define MSTATUS_GVA 0x4000000000ULL 469 #define MSTATUS_MPV 0x8000000000ULL 470 471 #define MSTATUS64_UXL 0x0000000300000000ULL 472 #define MSTATUS64_SXL 0x0000000C00000000ULL 473 474 #define MSTATUS32_SD 0x80000000 475 #define MSTATUS64_SD 0x8000000000000000ULL 476 #define MSTATUSH128_SD 0x8000000000000000ULL 477 478 #define MISA32_MXL 0xC0000000 479 #define MISA64_MXL 0xC000000000000000ULL 480 481 typedef enum { 482 MXL_RV32 = 1, 483 MXL_RV64 = 2, 484 MXL_RV128 = 3, 485 } RISCVMXL; 486 487 /* sstatus CSR bits */ 488 #define SSTATUS_UIE 0x00000001 489 #define SSTATUS_SIE 0x00000002 490 #define SSTATUS_UPIE 0x00000010 491 #define SSTATUS_SPIE 0x00000020 492 #define SSTATUS_SPP 0x00000100 493 #define SSTATUS_VS 0x00000600 494 #define SSTATUS_FS 0x00006000 495 #define SSTATUS_XS 0x00018000 496 #define SSTATUS_SUM 0x00040000 /* since: priv-1.10 */ 497 #define SSTATUS_MXR 0x00080000 498 499 #define SSTATUS64_UXL 0x0000000300000000ULL 500 501 #define SSTATUS32_SD 0x80000000 502 #define SSTATUS64_SD 0x8000000000000000ULL 503 504 /* hstatus CSR bits */ 505 #define HSTATUS_VSBE 0x00000020 506 #define HSTATUS_GVA 0x00000040 507 #define HSTATUS_SPV 0x00000080 508 #define HSTATUS_SPVP 0x00000100 509 #define HSTATUS_HU 0x00000200 510 #define HSTATUS_VGEIN 0x0003F000 511 #define HSTATUS_VTVM 0x00100000 512 #define HSTATUS_VTW 0x00200000 513 #define HSTATUS_VTSR 0x00400000 514 #define HSTATUS_VSXL 0x300000000 515 516 #define HSTATUS32_WPRI 0xFF8FF87E 517 #define HSTATUS64_WPRI 0xFFFFFFFFFF8FF87EULL 518 519 #define COUNTEREN_CY (1 << 0) 520 #define COUNTEREN_TM (1 << 1) 521 #define COUNTEREN_IR (1 << 2) 522 #define COUNTEREN_HPM3 (1 << 3) 523 524 /* vsstatus CSR bits */ 525 #define VSSTATUS64_UXL 0x0000000300000000ULL 526 527 /* Privilege modes */ 528 #define PRV_U 0 529 #define PRV_S 1 530 #define PRV_H 2 /* Reserved */ 531 #define PRV_M 3 532 533 /* Virtulisation Register Fields */ 534 #define VIRT_ONOFF 1 535 536 /* RV32 satp CSR field masks */ 537 #define SATP32_MODE 0x80000000 538 #define SATP32_ASID 0x7fc00000 539 #define SATP32_PPN 0x003fffff 540 541 /* RV64 satp CSR field masks */ 542 #define SATP64_MODE 0xF000000000000000ULL 543 #define SATP64_ASID 0x0FFFF00000000000ULL 544 #define SATP64_PPN 0x00000FFFFFFFFFFFULL 545 546 /* VM modes (satp.mode) privileged ISA 1.10 */ 547 #define VM_1_10_MBARE 0 548 #define VM_1_10_SV32 1 549 #define VM_1_10_SV39 8 550 #define VM_1_10_SV48 9 551 #define VM_1_10_SV57 10 552 #define VM_1_10_SV64 11 553 554 /* Page table entry (PTE) fields */ 555 #define PTE_V 0x001 /* Valid */ 556 #define PTE_R 0x002 /* Read */ 557 #define PTE_W 0x004 /* Write */ 558 #define PTE_X 0x008 /* Execute */ 559 #define PTE_U 0x010 /* User */ 560 #define PTE_G 0x020 /* Global */ 561 #define PTE_A 0x040 /* Accessed */ 562 #define PTE_D 0x080 /* Dirty */ 563 #define PTE_SOFT 0x300 /* Reserved for Software */ 564 #define PTE_PBMT 0x6000000000000000ULL /* Page-based memory types */ 565 #define PTE_N 0x8000000000000000ULL /* NAPOT translation */ 566 #define PTE_ATTR (PTE_N | PTE_PBMT) /* All attributes bits */ 567 568 /* Page table PPN shift amount */ 569 #define PTE_PPN_SHIFT 10 570 571 /* Page table PPN mask */ 572 #define PTE_PPN_MASK 0x3FFFFFFFFFFC00ULL 573 574 /* Leaf page shift amount */ 575 #define PGSHIFT 12 576 577 /* Default Reset Vector adress */ 578 #define DEFAULT_RSTVEC 0x1000 579 580 /* Exception causes */ 581 typedef enum RISCVException { 582 RISCV_EXCP_NONE = -1, /* sentinel value */ 583 RISCV_EXCP_INST_ADDR_MIS = 0x0, 584 RISCV_EXCP_INST_ACCESS_FAULT = 0x1, 585 RISCV_EXCP_ILLEGAL_INST = 0x2, 586 RISCV_EXCP_BREAKPOINT = 0x3, 587 RISCV_EXCP_LOAD_ADDR_MIS = 0x4, 588 RISCV_EXCP_LOAD_ACCESS_FAULT = 0x5, 589 RISCV_EXCP_STORE_AMO_ADDR_MIS = 0x6, 590 RISCV_EXCP_STORE_AMO_ACCESS_FAULT = 0x7, 591 RISCV_EXCP_U_ECALL = 0x8, 592 RISCV_EXCP_S_ECALL = 0x9, 593 RISCV_EXCP_VS_ECALL = 0xa, 594 RISCV_EXCP_M_ECALL = 0xb, 595 RISCV_EXCP_INST_PAGE_FAULT = 0xc, /* since: priv-1.10.0 */ 596 RISCV_EXCP_LOAD_PAGE_FAULT = 0xd, /* since: priv-1.10.0 */ 597 RISCV_EXCP_STORE_PAGE_FAULT = 0xf, /* since: priv-1.10.0 */ 598 RISCV_EXCP_SEMIHOST = 0x10, 599 RISCV_EXCP_INST_GUEST_PAGE_FAULT = 0x14, 600 RISCV_EXCP_LOAD_GUEST_ACCESS_FAULT = 0x15, 601 RISCV_EXCP_VIRT_INSTRUCTION_FAULT = 0x16, 602 RISCV_EXCP_STORE_GUEST_AMO_ACCESS_FAULT = 0x17, 603 } RISCVException; 604 605 #define RISCV_EXCP_INT_FLAG 0x80000000 606 #define RISCV_EXCP_INT_MASK 0x7fffffff 607 608 /* Interrupt causes */ 609 #define IRQ_U_SOFT 0 610 #define IRQ_S_SOFT 1 611 #define IRQ_VS_SOFT 2 612 #define IRQ_M_SOFT 3 613 #define IRQ_U_TIMER 4 614 #define IRQ_S_TIMER 5 615 #define IRQ_VS_TIMER 6 616 #define IRQ_M_TIMER 7 617 #define IRQ_U_EXT 8 618 #define IRQ_S_EXT 9 619 #define IRQ_VS_EXT 10 620 #define IRQ_M_EXT 11 621 #define IRQ_S_GEXT 12 622 #define IRQ_LOCAL_MAX 16 623 #define IRQ_LOCAL_GUEST_MAX (TARGET_LONG_BITS - 1) 624 625 /* mip masks */ 626 #define MIP_USIP (1 << IRQ_U_SOFT) 627 #define MIP_SSIP (1 << IRQ_S_SOFT) 628 #define MIP_VSSIP (1 << IRQ_VS_SOFT) 629 #define MIP_MSIP (1 << IRQ_M_SOFT) 630 #define MIP_UTIP (1 << IRQ_U_TIMER) 631 #define MIP_STIP (1 << IRQ_S_TIMER) 632 #define MIP_VSTIP (1 << IRQ_VS_TIMER) 633 #define MIP_MTIP (1 << IRQ_M_TIMER) 634 #define MIP_UEIP (1 << IRQ_U_EXT) 635 #define MIP_SEIP (1 << IRQ_S_EXT) 636 #define MIP_VSEIP (1 << IRQ_VS_EXT) 637 #define MIP_MEIP (1 << IRQ_M_EXT) 638 #define MIP_SGEIP (1 << IRQ_S_GEXT) 639 640 /* sip masks */ 641 #define SIP_SSIP MIP_SSIP 642 #define SIP_STIP MIP_STIP 643 #define SIP_SEIP MIP_SEIP 644 645 /* MIE masks */ 646 #define MIE_SEIE (1 << IRQ_S_EXT) 647 #define MIE_UEIE (1 << IRQ_U_EXT) 648 #define MIE_STIE (1 << IRQ_S_TIMER) 649 #define MIE_UTIE (1 << IRQ_U_TIMER) 650 #define MIE_SSIE (1 << IRQ_S_SOFT) 651 #define MIE_USIE (1 << IRQ_U_SOFT) 652 653 /* General PointerMasking CSR bits*/ 654 #define PM_ENABLE 0x00000001ULL 655 #define PM_CURRENT 0x00000002ULL 656 #define PM_INSN 0x00000004ULL 657 #define PM_XS_MASK 0x00000003ULL 658 659 /* PointerMasking XS bits values */ 660 #define PM_EXT_DISABLE 0x00000000ULL 661 #define PM_EXT_INITIAL 0x00000001ULL 662 #define PM_EXT_CLEAN 0x00000002ULL 663 #define PM_EXT_DIRTY 0x00000003ULL 664 665 /* Offsets for every pair of control bits per each priv level */ 666 #define XS_OFFSET 0ULL 667 #define U_OFFSET 2ULL 668 #define S_OFFSET 5ULL 669 #define M_OFFSET 8ULL 670 671 #define PM_XS_BITS (PM_XS_MASK << XS_OFFSET) 672 #define U_PM_ENABLE (PM_ENABLE << U_OFFSET) 673 #define U_PM_CURRENT (PM_CURRENT << U_OFFSET) 674 #define U_PM_INSN (PM_INSN << U_OFFSET) 675 #define S_PM_ENABLE (PM_ENABLE << S_OFFSET) 676 #define S_PM_CURRENT (PM_CURRENT << S_OFFSET) 677 #define S_PM_INSN (PM_INSN << S_OFFSET) 678 #define M_PM_ENABLE (PM_ENABLE << M_OFFSET) 679 #define M_PM_CURRENT (PM_CURRENT << M_OFFSET) 680 #define M_PM_INSN (PM_INSN << M_OFFSET) 681 682 /* mmte CSR bits */ 683 #define MMTE_PM_XS_BITS PM_XS_BITS 684 #define MMTE_U_PM_ENABLE U_PM_ENABLE 685 #define MMTE_U_PM_CURRENT U_PM_CURRENT 686 #define MMTE_U_PM_INSN U_PM_INSN 687 #define MMTE_S_PM_ENABLE S_PM_ENABLE 688 #define MMTE_S_PM_CURRENT S_PM_CURRENT 689 #define MMTE_S_PM_INSN S_PM_INSN 690 #define MMTE_M_PM_ENABLE M_PM_ENABLE 691 #define MMTE_M_PM_CURRENT M_PM_CURRENT 692 #define MMTE_M_PM_INSN M_PM_INSN 693 #define MMTE_MASK (MMTE_U_PM_ENABLE | MMTE_U_PM_CURRENT | MMTE_U_PM_INSN | \ 694 MMTE_S_PM_ENABLE | MMTE_S_PM_CURRENT | MMTE_S_PM_INSN | \ 695 MMTE_M_PM_ENABLE | MMTE_M_PM_CURRENT | MMTE_M_PM_INSN | \ 696 MMTE_PM_XS_BITS) 697 698 /* (v)smte CSR bits */ 699 #define SMTE_PM_XS_BITS PM_XS_BITS 700 #define SMTE_U_PM_ENABLE U_PM_ENABLE 701 #define SMTE_U_PM_CURRENT U_PM_CURRENT 702 #define SMTE_U_PM_INSN U_PM_INSN 703 #define SMTE_S_PM_ENABLE S_PM_ENABLE 704 #define SMTE_S_PM_CURRENT S_PM_CURRENT 705 #define SMTE_S_PM_INSN S_PM_INSN 706 #define SMTE_MASK (SMTE_U_PM_ENABLE | SMTE_U_PM_CURRENT | SMTE_U_PM_INSN | \ 707 SMTE_S_PM_ENABLE | SMTE_S_PM_CURRENT | SMTE_S_PM_INSN | \ 708 SMTE_PM_XS_BITS) 709 710 /* umte CSR bits */ 711 #define UMTE_U_PM_ENABLE U_PM_ENABLE 712 #define UMTE_U_PM_CURRENT U_PM_CURRENT 713 #define UMTE_U_PM_INSN U_PM_INSN 714 #define UMTE_MASK (UMTE_U_PM_ENABLE | MMTE_U_PM_CURRENT | UMTE_U_PM_INSN) 715 716 /* MISELECT, SISELECT, and VSISELECT bits (AIA) */ 717 #define ISELECT_IPRIO0 0x30 718 #define ISELECT_IPRIO15 0x3f 719 #define ISELECT_IMSIC_EIDELIVERY 0x70 720 #define ISELECT_IMSIC_EITHRESHOLD 0x72 721 #define ISELECT_IMSIC_EIP0 0x80 722 #define ISELECT_IMSIC_EIP63 0xbf 723 #define ISELECT_IMSIC_EIE0 0xc0 724 #define ISELECT_IMSIC_EIE63 0xff 725 #define ISELECT_IMSIC_FIRST ISELECT_IMSIC_EIDELIVERY 726 #define ISELECT_IMSIC_LAST ISELECT_IMSIC_EIE63 727 #define ISELECT_MASK 0x1ff 728 729 /* Dummy [M|S|VS]ISELECT value for emulating [M|S|VS]TOPEI CSRs */ 730 #define ISELECT_IMSIC_TOPEI (ISELECT_MASK + 1) 731 732 /* IMSIC bits (AIA) */ 733 #define IMSIC_TOPEI_IID_SHIFT 16 734 #define IMSIC_TOPEI_IID_MASK 0x7ff 735 #define IMSIC_TOPEI_IPRIO_MASK 0x7ff 736 #define IMSIC_EIPx_BITS 32 737 #define IMSIC_EIEx_BITS 32 738 739 /* MTOPI and STOPI bits (AIA) */ 740 #define TOPI_IID_SHIFT 16 741 #define TOPI_IID_MASK 0xfff 742 #define TOPI_IPRIO_MASK 0xff 743 744 /* Interrupt priority bits (AIA) */ 745 #define IPRIO_IRQ_BITS 8 746 #define IPRIO_MMAXIPRIO 255 747 #define IPRIO_DEFAULT_UPPER 4 748 #define IPRIO_DEFAULT_MIDDLE (IPRIO_DEFAULT_UPPER + 24) 749 #define IPRIO_DEFAULT_M IPRIO_DEFAULT_MIDDLE 750 #define IPRIO_DEFAULT_S (IPRIO_DEFAULT_M + 3) 751 #define IPRIO_DEFAULT_SGEXT (IPRIO_DEFAULT_S + 3) 752 #define IPRIO_DEFAULT_VS (IPRIO_DEFAULT_SGEXT + 1) 753 #define IPRIO_DEFAULT_LOWER (IPRIO_DEFAULT_VS + 3) 754 755 /* HVICTL bits (AIA) */ 756 #define HVICTL_VTI 0x40000000 757 #define HVICTL_IID 0x0fff0000 758 #define HVICTL_IPRIOM 0x00000100 759 #define HVICTL_IPRIO 0x000000ff 760 #define HVICTL_VALID_MASK \ 761 (HVICTL_VTI | HVICTL_IID | HVICTL_IPRIOM | HVICTL_IPRIO) 762 763 #endif 764