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 /* Supervisor Trap Setup */ 172 #define CSR_SSTATUS 0x100 173 #define CSR_SEDELEG 0x102 174 #define CSR_SIDELEG 0x103 175 #define CSR_SIE 0x104 176 #define CSR_STVEC 0x105 177 #define CSR_SCOUNTEREN 0x106 178 179 /* Supervisor Trap Handling */ 180 #define CSR_SSCRATCH 0x140 181 #define CSR_SEPC 0x141 182 #define CSR_SCAUSE 0x142 183 #define CSR_STVAL 0x143 184 #define CSR_SIP 0x144 185 186 /* Supervisor Protection and Translation */ 187 #define CSR_SPTBR 0x180 188 #define CSR_SATP 0x180 189 190 /* Hpervisor CSRs */ 191 #define CSR_HSTATUS 0x600 192 #define CSR_HEDELEG 0x602 193 #define CSR_HIDELEG 0x603 194 #define CSR_HIE 0x604 195 #define CSR_HCOUNTEREN 0x606 196 #define CSR_HGEIE 0x607 197 #define CSR_HTVAL 0x643 198 #define CSR_HVIP 0x645 199 #define CSR_HIP 0x644 200 #define CSR_HTINST 0x64A 201 #define CSR_HGEIP 0xE12 202 #define CSR_HGATP 0x680 203 #define CSR_HTIMEDELTA 0x605 204 #define CSR_HTIMEDELTAH 0x615 205 206 /* Virtual CSRs */ 207 #define CSR_VSSTATUS 0x200 208 #define CSR_VSIE 0x204 209 #define CSR_VSTVEC 0x205 210 #define CSR_VSSCRATCH 0x240 211 #define CSR_VSEPC 0x241 212 #define CSR_VSCAUSE 0x242 213 #define CSR_VSTVAL 0x243 214 #define CSR_VSIP 0x244 215 #define CSR_VSATP 0x280 216 217 #define CSR_MTINST 0x34a 218 #define CSR_MTVAL2 0x34b 219 220 /* Enhanced Physical Memory Protection (ePMP) */ 221 #define CSR_MSECCFG 0x747 222 #define CSR_MSECCFGH 0x757 223 /* Physical Memory Protection */ 224 #define CSR_PMPCFG0 0x3a0 225 #define CSR_PMPCFG1 0x3a1 226 #define CSR_PMPCFG2 0x3a2 227 #define CSR_PMPCFG3 0x3a3 228 #define CSR_PMPADDR0 0x3b0 229 #define CSR_PMPADDR1 0x3b1 230 #define CSR_PMPADDR2 0x3b2 231 #define CSR_PMPADDR3 0x3b3 232 #define CSR_PMPADDR4 0x3b4 233 #define CSR_PMPADDR5 0x3b5 234 #define CSR_PMPADDR6 0x3b6 235 #define CSR_PMPADDR7 0x3b7 236 #define CSR_PMPADDR8 0x3b8 237 #define CSR_PMPADDR9 0x3b9 238 #define CSR_PMPADDR10 0x3ba 239 #define CSR_PMPADDR11 0x3bb 240 #define CSR_PMPADDR12 0x3bc 241 #define CSR_PMPADDR13 0x3bd 242 #define CSR_PMPADDR14 0x3be 243 #define CSR_PMPADDR15 0x3bf 244 245 /* Debug/Trace Registers (shared with Debug Mode) */ 246 #define CSR_TSELECT 0x7a0 247 #define CSR_TDATA1 0x7a1 248 #define CSR_TDATA2 0x7a2 249 #define CSR_TDATA3 0x7a3 250 251 /* Debug Mode Registers */ 252 #define CSR_DCSR 0x7b0 253 #define CSR_DPC 0x7b1 254 #define CSR_DSCRATCH 0x7b2 255 256 /* Performance Counters */ 257 #define CSR_MHPMCOUNTER3 0xb03 258 #define CSR_MHPMCOUNTER4 0xb04 259 #define CSR_MHPMCOUNTER5 0xb05 260 #define CSR_MHPMCOUNTER6 0xb06 261 #define CSR_MHPMCOUNTER7 0xb07 262 #define CSR_MHPMCOUNTER8 0xb08 263 #define CSR_MHPMCOUNTER9 0xb09 264 #define CSR_MHPMCOUNTER10 0xb0a 265 #define CSR_MHPMCOUNTER11 0xb0b 266 #define CSR_MHPMCOUNTER12 0xb0c 267 #define CSR_MHPMCOUNTER13 0xb0d 268 #define CSR_MHPMCOUNTER14 0xb0e 269 #define CSR_MHPMCOUNTER15 0xb0f 270 #define CSR_MHPMCOUNTER16 0xb10 271 #define CSR_MHPMCOUNTER17 0xb11 272 #define CSR_MHPMCOUNTER18 0xb12 273 #define CSR_MHPMCOUNTER19 0xb13 274 #define CSR_MHPMCOUNTER20 0xb14 275 #define CSR_MHPMCOUNTER21 0xb15 276 #define CSR_MHPMCOUNTER22 0xb16 277 #define CSR_MHPMCOUNTER23 0xb17 278 #define CSR_MHPMCOUNTER24 0xb18 279 #define CSR_MHPMCOUNTER25 0xb19 280 #define CSR_MHPMCOUNTER26 0xb1a 281 #define CSR_MHPMCOUNTER27 0xb1b 282 #define CSR_MHPMCOUNTER28 0xb1c 283 #define CSR_MHPMCOUNTER29 0xb1d 284 #define CSR_MHPMCOUNTER30 0xb1e 285 #define CSR_MHPMCOUNTER31 0xb1f 286 #define CSR_MHPMEVENT3 0x323 287 #define CSR_MHPMEVENT4 0x324 288 #define CSR_MHPMEVENT5 0x325 289 #define CSR_MHPMEVENT6 0x326 290 #define CSR_MHPMEVENT7 0x327 291 #define CSR_MHPMEVENT8 0x328 292 #define CSR_MHPMEVENT9 0x329 293 #define CSR_MHPMEVENT10 0x32a 294 #define CSR_MHPMEVENT11 0x32b 295 #define CSR_MHPMEVENT12 0x32c 296 #define CSR_MHPMEVENT13 0x32d 297 #define CSR_MHPMEVENT14 0x32e 298 #define CSR_MHPMEVENT15 0x32f 299 #define CSR_MHPMEVENT16 0x330 300 #define CSR_MHPMEVENT17 0x331 301 #define CSR_MHPMEVENT18 0x332 302 #define CSR_MHPMEVENT19 0x333 303 #define CSR_MHPMEVENT20 0x334 304 #define CSR_MHPMEVENT21 0x335 305 #define CSR_MHPMEVENT22 0x336 306 #define CSR_MHPMEVENT23 0x337 307 #define CSR_MHPMEVENT24 0x338 308 #define CSR_MHPMEVENT25 0x339 309 #define CSR_MHPMEVENT26 0x33a 310 #define CSR_MHPMEVENT27 0x33b 311 #define CSR_MHPMEVENT28 0x33c 312 #define CSR_MHPMEVENT29 0x33d 313 #define CSR_MHPMEVENT30 0x33e 314 #define CSR_MHPMEVENT31 0x33f 315 #define CSR_MHPMCOUNTER3H 0xb83 316 #define CSR_MHPMCOUNTER4H 0xb84 317 #define CSR_MHPMCOUNTER5H 0xb85 318 #define CSR_MHPMCOUNTER6H 0xb86 319 #define CSR_MHPMCOUNTER7H 0xb87 320 #define CSR_MHPMCOUNTER8H 0xb88 321 #define CSR_MHPMCOUNTER9H 0xb89 322 #define CSR_MHPMCOUNTER10H 0xb8a 323 #define CSR_MHPMCOUNTER11H 0xb8b 324 #define CSR_MHPMCOUNTER12H 0xb8c 325 #define CSR_MHPMCOUNTER13H 0xb8d 326 #define CSR_MHPMCOUNTER14H 0xb8e 327 #define CSR_MHPMCOUNTER15H 0xb8f 328 #define CSR_MHPMCOUNTER16H 0xb90 329 #define CSR_MHPMCOUNTER17H 0xb91 330 #define CSR_MHPMCOUNTER18H 0xb92 331 #define CSR_MHPMCOUNTER19H 0xb93 332 #define CSR_MHPMCOUNTER20H 0xb94 333 #define CSR_MHPMCOUNTER21H 0xb95 334 #define CSR_MHPMCOUNTER22H 0xb96 335 #define CSR_MHPMCOUNTER23H 0xb97 336 #define CSR_MHPMCOUNTER24H 0xb98 337 #define CSR_MHPMCOUNTER25H 0xb99 338 #define CSR_MHPMCOUNTER26H 0xb9a 339 #define CSR_MHPMCOUNTER27H 0xb9b 340 #define CSR_MHPMCOUNTER28H 0xb9c 341 #define CSR_MHPMCOUNTER29H 0xb9d 342 #define CSR_MHPMCOUNTER30H 0xb9e 343 #define CSR_MHPMCOUNTER31H 0xb9f 344 345 /* 346 * User PointerMasking registers 347 * NB: actual CSR numbers might be changed in future 348 */ 349 #define CSR_UMTE 0x4c0 350 #define CSR_UPMMASK 0x4c1 351 #define CSR_UPMBASE 0x4c2 352 353 /* 354 * Machine PointerMasking registers 355 * NB: actual CSR numbers might be changed in future 356 */ 357 #define CSR_MMTE 0x3c0 358 #define CSR_MPMMASK 0x3c1 359 #define CSR_MPMBASE 0x3c2 360 361 /* 362 * Supervisor PointerMaster registers 363 * NB: actual CSR numbers might be changed in future 364 */ 365 #define CSR_SMTE 0x1c0 366 #define CSR_SPMMASK 0x1c1 367 #define CSR_SPMBASE 0x1c2 368 369 /* 370 * Hypervisor PointerMaster registers 371 * NB: actual CSR numbers might be changed in future 372 */ 373 #define CSR_VSMTE 0x2c0 374 #define CSR_VSPMMASK 0x2c1 375 #define CSR_VSPMBASE 0x2c2 376 377 /* mstatus CSR bits */ 378 #define MSTATUS_UIE 0x00000001 379 #define MSTATUS_SIE 0x00000002 380 #define MSTATUS_MIE 0x00000008 381 #define MSTATUS_UPIE 0x00000010 382 #define MSTATUS_SPIE 0x00000020 383 #define MSTATUS_UBE 0x00000040 384 #define MSTATUS_MPIE 0x00000080 385 #define MSTATUS_SPP 0x00000100 386 #define MSTATUS_VS 0x00000600 387 #define MSTATUS_MPP 0x00001800 388 #define MSTATUS_FS 0x00006000 389 #define MSTATUS_XS 0x00018000 390 #define MSTATUS_MPRV 0x00020000 391 #define MSTATUS_SUM 0x00040000 /* since: priv-1.10 */ 392 #define MSTATUS_MXR 0x00080000 393 #define MSTATUS_TVM 0x00100000 /* since: priv-1.10 */ 394 #define MSTATUS_TW 0x00200000 /* since: priv-1.10 */ 395 #define MSTATUS_TSR 0x00400000 /* since: priv-1.10 */ 396 #define MSTATUS_GVA 0x4000000000ULL 397 #define MSTATUS_MPV 0x8000000000ULL 398 399 #define MSTATUS64_UXL 0x0000000300000000ULL 400 #define MSTATUS64_SXL 0x0000000C00000000ULL 401 402 #define MSTATUS32_SD 0x80000000 403 #define MSTATUS64_SD 0x8000000000000000ULL 404 #define MSTATUSH128_SD 0x8000000000000000ULL 405 406 #define MISA32_MXL 0xC0000000 407 #define MISA64_MXL 0xC000000000000000ULL 408 409 typedef enum { 410 MXL_RV32 = 1, 411 MXL_RV64 = 2, 412 MXL_RV128 = 3, 413 } RISCVMXL; 414 415 /* sstatus CSR bits */ 416 #define SSTATUS_UIE 0x00000001 417 #define SSTATUS_SIE 0x00000002 418 #define SSTATUS_UPIE 0x00000010 419 #define SSTATUS_SPIE 0x00000020 420 #define SSTATUS_SPP 0x00000100 421 #define SSTATUS_VS 0x00000600 422 #define SSTATUS_FS 0x00006000 423 #define SSTATUS_XS 0x00018000 424 #define SSTATUS_SUM 0x00040000 /* since: priv-1.10 */ 425 #define SSTATUS_MXR 0x00080000 426 427 #define SSTATUS64_UXL 0x0000000300000000ULL 428 429 #define SSTATUS32_SD 0x80000000 430 #define SSTATUS64_SD 0x8000000000000000ULL 431 432 /* hstatus CSR bits */ 433 #define HSTATUS_VSBE 0x00000020 434 #define HSTATUS_GVA 0x00000040 435 #define HSTATUS_SPV 0x00000080 436 #define HSTATUS_SPVP 0x00000100 437 #define HSTATUS_HU 0x00000200 438 #define HSTATUS_VGEIN 0x0003F000 439 #define HSTATUS_VTVM 0x00100000 440 #define HSTATUS_VTW 0x00200000 441 #define HSTATUS_VTSR 0x00400000 442 #define HSTATUS_VSXL 0x300000000 443 444 #define HSTATUS32_WPRI 0xFF8FF87E 445 #define HSTATUS64_WPRI 0xFFFFFFFFFF8FF87EULL 446 447 #define COUNTEREN_CY (1 << 0) 448 #define COUNTEREN_TM (1 << 1) 449 #define COUNTEREN_IR (1 << 2) 450 #define COUNTEREN_HPM3 (1 << 3) 451 452 /* vsstatus CSR bits */ 453 #define VSSTATUS64_UXL 0x0000000300000000ULL 454 455 /* Privilege modes */ 456 #define PRV_U 0 457 #define PRV_S 1 458 #define PRV_H 2 /* Reserved */ 459 #define PRV_M 3 460 461 /* Virtulisation Register Fields */ 462 #define VIRT_ONOFF 1 463 464 /* RV32 satp CSR field masks */ 465 #define SATP32_MODE 0x80000000 466 #define SATP32_ASID 0x7fc00000 467 #define SATP32_PPN 0x003fffff 468 469 /* RV64 satp CSR field masks */ 470 #define SATP64_MODE 0xF000000000000000ULL 471 #define SATP64_ASID 0x0FFFF00000000000ULL 472 #define SATP64_PPN 0x00000FFFFFFFFFFFULL 473 474 /* VM modes (satp.mode) privileged ISA 1.10 */ 475 #define VM_1_10_MBARE 0 476 #define VM_1_10_SV32 1 477 #define VM_1_10_SV39 8 478 #define VM_1_10_SV48 9 479 #define VM_1_10_SV57 10 480 #define VM_1_10_SV64 11 481 482 /* Page table entry (PTE) fields */ 483 #define PTE_V 0x001 /* Valid */ 484 #define PTE_R 0x002 /* Read */ 485 #define PTE_W 0x004 /* Write */ 486 #define PTE_X 0x008 /* Execute */ 487 #define PTE_U 0x010 /* User */ 488 #define PTE_G 0x020 /* Global */ 489 #define PTE_A 0x040 /* Accessed */ 490 #define PTE_D 0x080 /* Dirty */ 491 #define PTE_SOFT 0x300 /* Reserved for Software */ 492 493 /* Page table PPN shift amount */ 494 #define PTE_PPN_SHIFT 10 495 496 /* Leaf page shift amount */ 497 #define PGSHIFT 12 498 499 /* Default Reset Vector adress */ 500 #define DEFAULT_RSTVEC 0x1000 501 502 /* Exception causes */ 503 typedef enum RISCVException { 504 RISCV_EXCP_NONE = -1, /* sentinel value */ 505 RISCV_EXCP_INST_ADDR_MIS = 0x0, 506 RISCV_EXCP_INST_ACCESS_FAULT = 0x1, 507 RISCV_EXCP_ILLEGAL_INST = 0x2, 508 RISCV_EXCP_BREAKPOINT = 0x3, 509 RISCV_EXCP_LOAD_ADDR_MIS = 0x4, 510 RISCV_EXCP_LOAD_ACCESS_FAULT = 0x5, 511 RISCV_EXCP_STORE_AMO_ADDR_MIS = 0x6, 512 RISCV_EXCP_STORE_AMO_ACCESS_FAULT = 0x7, 513 RISCV_EXCP_U_ECALL = 0x8, 514 RISCV_EXCP_S_ECALL = 0x9, 515 RISCV_EXCP_VS_ECALL = 0xa, 516 RISCV_EXCP_M_ECALL = 0xb, 517 RISCV_EXCP_INST_PAGE_FAULT = 0xc, /* since: priv-1.10.0 */ 518 RISCV_EXCP_LOAD_PAGE_FAULT = 0xd, /* since: priv-1.10.0 */ 519 RISCV_EXCP_STORE_PAGE_FAULT = 0xf, /* since: priv-1.10.0 */ 520 RISCV_EXCP_SEMIHOST = 0x10, 521 RISCV_EXCP_INST_GUEST_PAGE_FAULT = 0x14, 522 RISCV_EXCP_LOAD_GUEST_ACCESS_FAULT = 0x15, 523 RISCV_EXCP_VIRT_INSTRUCTION_FAULT = 0x16, 524 RISCV_EXCP_STORE_GUEST_AMO_ACCESS_FAULT = 0x17, 525 } RISCVException; 526 527 #define RISCV_EXCP_INT_FLAG 0x80000000 528 #define RISCV_EXCP_INT_MASK 0x7fffffff 529 530 /* Interrupt causes */ 531 #define IRQ_U_SOFT 0 532 #define IRQ_S_SOFT 1 533 #define IRQ_VS_SOFT 2 534 #define IRQ_M_SOFT 3 535 #define IRQ_U_TIMER 4 536 #define IRQ_S_TIMER 5 537 #define IRQ_VS_TIMER 6 538 #define IRQ_M_TIMER 7 539 #define IRQ_U_EXT 8 540 #define IRQ_S_EXT 9 541 #define IRQ_VS_EXT 10 542 #define IRQ_M_EXT 11 543 544 /* mip masks */ 545 #define MIP_USIP (1 << IRQ_U_SOFT) 546 #define MIP_SSIP (1 << IRQ_S_SOFT) 547 #define MIP_VSSIP (1 << IRQ_VS_SOFT) 548 #define MIP_MSIP (1 << IRQ_M_SOFT) 549 #define MIP_UTIP (1 << IRQ_U_TIMER) 550 #define MIP_STIP (1 << IRQ_S_TIMER) 551 #define MIP_VSTIP (1 << IRQ_VS_TIMER) 552 #define MIP_MTIP (1 << IRQ_M_TIMER) 553 #define MIP_UEIP (1 << IRQ_U_EXT) 554 #define MIP_SEIP (1 << IRQ_S_EXT) 555 #define MIP_VSEIP (1 << IRQ_VS_EXT) 556 #define MIP_MEIP (1 << IRQ_M_EXT) 557 558 /* sip masks */ 559 #define SIP_SSIP MIP_SSIP 560 #define SIP_STIP MIP_STIP 561 #define SIP_SEIP MIP_SEIP 562 563 /* MIE masks */ 564 #define MIE_SEIE (1 << IRQ_S_EXT) 565 #define MIE_UEIE (1 << IRQ_U_EXT) 566 #define MIE_STIE (1 << IRQ_S_TIMER) 567 #define MIE_UTIE (1 << IRQ_U_TIMER) 568 #define MIE_SSIE (1 << IRQ_S_SOFT) 569 #define MIE_USIE (1 << IRQ_U_SOFT) 570 571 /* General PointerMasking CSR bits*/ 572 #define PM_ENABLE 0x00000001ULL 573 #define PM_CURRENT 0x00000002ULL 574 #define PM_INSN 0x00000004ULL 575 #define PM_XS_MASK 0x00000003ULL 576 577 /* PointerMasking XS bits values */ 578 #define PM_EXT_DISABLE 0x00000000ULL 579 #define PM_EXT_INITIAL 0x00000001ULL 580 #define PM_EXT_CLEAN 0x00000002ULL 581 #define PM_EXT_DIRTY 0x00000003ULL 582 583 /* Offsets for every pair of control bits per each priv level */ 584 #define XS_OFFSET 0ULL 585 #define U_OFFSET 2ULL 586 #define S_OFFSET 5ULL 587 #define M_OFFSET 8ULL 588 589 #define PM_XS_BITS (PM_XS_MASK << XS_OFFSET) 590 #define U_PM_ENABLE (PM_ENABLE << U_OFFSET) 591 #define U_PM_CURRENT (PM_CURRENT << U_OFFSET) 592 #define U_PM_INSN (PM_INSN << U_OFFSET) 593 #define S_PM_ENABLE (PM_ENABLE << S_OFFSET) 594 #define S_PM_CURRENT (PM_CURRENT << S_OFFSET) 595 #define S_PM_INSN (PM_INSN << S_OFFSET) 596 #define M_PM_ENABLE (PM_ENABLE << M_OFFSET) 597 #define M_PM_CURRENT (PM_CURRENT << M_OFFSET) 598 #define M_PM_INSN (PM_INSN << M_OFFSET) 599 600 /* mmte CSR bits */ 601 #define MMTE_PM_XS_BITS PM_XS_BITS 602 #define MMTE_U_PM_ENABLE U_PM_ENABLE 603 #define MMTE_U_PM_CURRENT U_PM_CURRENT 604 #define MMTE_U_PM_INSN U_PM_INSN 605 #define MMTE_S_PM_ENABLE S_PM_ENABLE 606 #define MMTE_S_PM_CURRENT S_PM_CURRENT 607 #define MMTE_S_PM_INSN S_PM_INSN 608 #define MMTE_M_PM_ENABLE M_PM_ENABLE 609 #define MMTE_M_PM_CURRENT M_PM_CURRENT 610 #define MMTE_M_PM_INSN M_PM_INSN 611 #define MMTE_MASK (MMTE_U_PM_ENABLE | MMTE_U_PM_CURRENT | MMTE_U_PM_INSN | \ 612 MMTE_S_PM_ENABLE | MMTE_S_PM_CURRENT | MMTE_S_PM_INSN | \ 613 MMTE_M_PM_ENABLE | MMTE_M_PM_CURRENT | MMTE_M_PM_INSN | \ 614 MMTE_PM_XS_BITS) 615 616 /* (v)smte CSR bits */ 617 #define SMTE_PM_XS_BITS PM_XS_BITS 618 #define SMTE_U_PM_ENABLE U_PM_ENABLE 619 #define SMTE_U_PM_CURRENT U_PM_CURRENT 620 #define SMTE_U_PM_INSN U_PM_INSN 621 #define SMTE_S_PM_ENABLE S_PM_ENABLE 622 #define SMTE_S_PM_CURRENT S_PM_CURRENT 623 #define SMTE_S_PM_INSN S_PM_INSN 624 #define SMTE_MASK (SMTE_U_PM_ENABLE | SMTE_U_PM_CURRENT | SMTE_U_PM_INSN | \ 625 SMTE_S_PM_ENABLE | SMTE_S_PM_CURRENT | SMTE_S_PM_INSN | \ 626 SMTE_PM_XS_BITS) 627 628 /* umte CSR bits */ 629 #define UMTE_U_PM_ENABLE U_PM_ENABLE 630 #define UMTE_U_PM_CURRENT U_PM_CURRENT 631 #define UMTE_U_PM_INSN U_PM_INSN 632 #define UMTE_MASK (UMTE_U_PM_ENABLE | MMTE_U_PM_CURRENT | UMTE_U_PM_INSN) 633 634 #endif 635