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 (target_ulong)(mask)) / ((mask) & ~((mask) << 1))) 8 #define set_field(reg, mask, val) (((reg) & ~(target_ulong)(mask)) | \ 9 (((target_ulong)(val) * ((mask) & ~((mask) << 1))) & \ 10 (target_ulong)(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 /* Control and Status Registers */ 33 34 /* User Trap Setup */ 35 #define CSR_USTATUS 0x000 36 #define CSR_UIE 0x004 37 #define CSR_UTVEC 0x005 38 39 /* User Trap Handling */ 40 #define CSR_USCRATCH 0x040 41 #define CSR_UEPC 0x041 42 #define CSR_UCAUSE 0x042 43 #define CSR_UTVAL 0x043 44 #define CSR_UIP 0x044 45 46 /* User Floating-Point CSRs */ 47 #define CSR_FFLAGS 0x001 48 #define CSR_FRM 0x002 49 #define CSR_FCSR 0x003 50 51 /* User Timers and Counters */ 52 #define CSR_CYCLE 0xc00 53 #define CSR_TIME 0xc01 54 #define CSR_INSTRET 0xc02 55 #define CSR_HPMCOUNTER3 0xc03 56 #define CSR_HPMCOUNTER4 0xc04 57 #define CSR_HPMCOUNTER5 0xc05 58 #define CSR_HPMCOUNTER6 0xc06 59 #define CSR_HPMCOUNTER7 0xc07 60 #define CSR_HPMCOUNTER8 0xc08 61 #define CSR_HPMCOUNTER9 0xc09 62 #define CSR_HPMCOUNTER10 0xc0a 63 #define CSR_HPMCOUNTER11 0xc0b 64 #define CSR_HPMCOUNTER12 0xc0c 65 #define CSR_HPMCOUNTER13 0xc0d 66 #define CSR_HPMCOUNTER14 0xc0e 67 #define CSR_HPMCOUNTER15 0xc0f 68 #define CSR_HPMCOUNTER16 0xc10 69 #define CSR_HPMCOUNTER17 0xc11 70 #define CSR_HPMCOUNTER18 0xc12 71 #define CSR_HPMCOUNTER19 0xc13 72 #define CSR_HPMCOUNTER20 0xc14 73 #define CSR_HPMCOUNTER21 0xc15 74 #define CSR_HPMCOUNTER22 0xc16 75 #define CSR_HPMCOUNTER23 0xc17 76 #define CSR_HPMCOUNTER24 0xc18 77 #define CSR_HPMCOUNTER25 0xc19 78 #define CSR_HPMCOUNTER26 0xc1a 79 #define CSR_HPMCOUNTER27 0xc1b 80 #define CSR_HPMCOUNTER28 0xc1c 81 #define CSR_HPMCOUNTER29 0xc1d 82 #define CSR_HPMCOUNTER30 0xc1e 83 #define CSR_HPMCOUNTER31 0xc1f 84 #define CSR_CYCLEH 0xc80 85 #define CSR_TIMEH 0xc81 86 #define CSR_INSTRETH 0xc82 87 #define CSR_HPMCOUNTER3H 0xc83 88 #define CSR_HPMCOUNTER4H 0xc84 89 #define CSR_HPMCOUNTER5H 0xc85 90 #define CSR_HPMCOUNTER6H 0xc86 91 #define CSR_HPMCOUNTER7H 0xc87 92 #define CSR_HPMCOUNTER8H 0xc88 93 #define CSR_HPMCOUNTER9H 0xc89 94 #define CSR_HPMCOUNTER10H 0xc8a 95 #define CSR_HPMCOUNTER11H 0xc8b 96 #define CSR_HPMCOUNTER12H 0xc8c 97 #define CSR_HPMCOUNTER13H 0xc8d 98 #define CSR_HPMCOUNTER14H 0xc8e 99 #define CSR_HPMCOUNTER15H 0xc8f 100 #define CSR_HPMCOUNTER16H 0xc90 101 #define CSR_HPMCOUNTER17H 0xc91 102 #define CSR_HPMCOUNTER18H 0xc92 103 #define CSR_HPMCOUNTER19H 0xc93 104 #define CSR_HPMCOUNTER20H 0xc94 105 #define CSR_HPMCOUNTER21H 0xc95 106 #define CSR_HPMCOUNTER22H 0xc96 107 #define CSR_HPMCOUNTER23H 0xc97 108 #define CSR_HPMCOUNTER24H 0xc98 109 #define CSR_HPMCOUNTER25H 0xc99 110 #define CSR_HPMCOUNTER26H 0xc9a 111 #define CSR_HPMCOUNTER27H 0xc9b 112 #define CSR_HPMCOUNTER28H 0xc9c 113 #define CSR_HPMCOUNTER29H 0xc9d 114 #define CSR_HPMCOUNTER30H 0xc9e 115 #define CSR_HPMCOUNTER31H 0xc9f 116 117 /* Machine Timers and Counters */ 118 #define CSR_MCYCLE 0xb00 119 #define CSR_MINSTRET 0xb02 120 #define CSR_MCYCLEH 0xb80 121 #define CSR_MINSTRETH 0xb82 122 123 /* Machine Information Registers */ 124 #define CSR_MVENDORID 0xf11 125 #define CSR_MARCHID 0xf12 126 #define CSR_MIMPID 0xf13 127 #define CSR_MHARTID 0xf14 128 129 /* Machine Trap Setup */ 130 #define CSR_MSTATUS 0x300 131 #define CSR_MISA 0x301 132 #define CSR_MEDELEG 0x302 133 #define CSR_MIDELEG 0x303 134 #define CSR_MIE 0x304 135 #define CSR_MTVEC 0x305 136 #define CSR_MCOUNTEREN 0x306 137 138 /* 32-bit only */ 139 #define CSR_MSTATUSH 0x310 140 141 /* Legacy Counter Setup (priv v1.9.1) */ 142 /* Update to #define CSR_MCOUNTINHIBIT 0x320 for 1.11.0 */ 143 #define CSR_MUCOUNTEREN 0x320 144 #define CSR_MSCOUNTEREN 0x321 145 #define CSR_MHCOUNTEREN 0x322 146 147 /* Machine Trap Handling */ 148 #define CSR_MSCRATCH 0x340 149 #define CSR_MEPC 0x341 150 #define CSR_MCAUSE 0x342 151 #define CSR_MTVAL 0x343 152 #define CSR_MIP 0x344 153 154 /* Legacy Machine Trap Handling (priv v1.9.1) */ 155 #define CSR_MBADADDR 0x343 156 157 /* Supervisor Trap Setup */ 158 #define CSR_SSTATUS 0x100 159 #define CSR_SEDELEG 0x102 160 #define CSR_SIDELEG 0x103 161 #define CSR_SIE 0x104 162 #define CSR_STVEC 0x105 163 #define CSR_SCOUNTEREN 0x106 164 165 /* Supervisor Trap Handling */ 166 #define CSR_SSCRATCH 0x140 167 #define CSR_SEPC 0x141 168 #define CSR_SCAUSE 0x142 169 #define CSR_STVAL 0x143 170 #define CSR_SIP 0x144 171 172 /* Legacy Supervisor Trap Handling (priv v1.9.1) */ 173 #define CSR_SBADADDR 0x143 174 175 /* Supervisor Protection and Translation */ 176 #define CSR_SPTBR 0x180 177 #define CSR_SATP 0x180 178 179 /* Hpervisor CSRs */ 180 #define CSR_HSTATUS 0x600 181 #define CSR_HEDELEG 0x602 182 #define CSR_HIDELEG 0x603 183 #define CSR_HIE 0x604 184 #define CSR_HCOUNTEREN 0x606 185 #define CSR_HTVAL 0x643 186 #define CSR_HIP 0x644 187 #define CSR_HTINST 0x64A 188 #define CSR_HGATP 0x680 189 #define CSR_HTIMEDELTA 0x605 190 #define CSR_HTIMEDELTAH 0x615 191 192 #if defined(TARGET_RISCV32) 193 #define HGATP_MODE SATP32_MODE 194 #define HGATP_VMID SATP32_ASID 195 #define HGATP_PPN SATP32_PPN 196 #endif 197 #if defined(TARGET_RISCV64) 198 #define HGATP_MODE SATP64_MODE 199 #define HGATP_VMID SATP64_ASID 200 #define HGATP_PPN SATP64_PPN 201 #endif 202 203 /* Virtual CSRs */ 204 #define CSR_VSSTATUS 0x200 205 #define CSR_VSIE 0x204 206 #define CSR_VSTVEC 0x205 207 #define CSR_VSSCRATCH 0x240 208 #define CSR_VSEPC 0x241 209 #define CSR_VSCAUSE 0x242 210 #define CSR_VSTVAL 0x243 211 #define CSR_VSIP 0x244 212 #define CSR_VSATP 0x280 213 214 #define CSR_MTINST 0x34a 215 #define CSR_MTVAL2 0x34b 216 217 /* Physical Memory Protection */ 218 #define CSR_PMPCFG0 0x3a0 219 #define CSR_PMPCFG1 0x3a1 220 #define CSR_PMPCFG2 0x3a2 221 #define CSR_PMPCFG3 0x3a3 222 #define CSR_PMPADDR0 0x3b0 223 #define CSR_PMPADDR1 0x3b1 224 #define CSR_PMPADDR2 0x3b2 225 #define CSR_PMPADDR3 0x3b3 226 #define CSR_PMPADDR4 0x3b4 227 #define CSR_PMPADDR5 0x3b5 228 #define CSR_PMPADDR6 0x3b6 229 #define CSR_PMPADDR7 0x3b7 230 #define CSR_PMPADDR8 0x3b8 231 #define CSR_PMPADDR9 0x3b9 232 #define CSR_PMPADDR10 0x3ba 233 #define CSR_PMPADDR11 0x3bb 234 #define CSR_PMPADDR12 0x3bc 235 #define CSR_PMPADDR13 0x3bd 236 #define CSR_PMPADDR14 0x3be 237 #define CSR_PMPADDR15 0x3bf 238 239 /* Debug/Trace Registers (shared with Debug Mode) */ 240 #define CSR_TSELECT 0x7a0 241 #define CSR_TDATA1 0x7a1 242 #define CSR_TDATA2 0x7a2 243 #define CSR_TDATA3 0x7a3 244 245 /* Debug Mode Registers */ 246 #define CSR_DCSR 0x7b0 247 #define CSR_DPC 0x7b1 248 #define CSR_DSCRATCH 0x7b2 249 250 /* Performance Counters */ 251 #define CSR_MHPMCOUNTER3 0xb03 252 #define CSR_MHPMCOUNTER4 0xb04 253 #define CSR_MHPMCOUNTER5 0xb05 254 #define CSR_MHPMCOUNTER6 0xb06 255 #define CSR_MHPMCOUNTER7 0xb07 256 #define CSR_MHPMCOUNTER8 0xb08 257 #define CSR_MHPMCOUNTER9 0xb09 258 #define CSR_MHPMCOUNTER10 0xb0a 259 #define CSR_MHPMCOUNTER11 0xb0b 260 #define CSR_MHPMCOUNTER12 0xb0c 261 #define CSR_MHPMCOUNTER13 0xb0d 262 #define CSR_MHPMCOUNTER14 0xb0e 263 #define CSR_MHPMCOUNTER15 0xb0f 264 #define CSR_MHPMCOUNTER16 0xb10 265 #define CSR_MHPMCOUNTER17 0xb11 266 #define CSR_MHPMCOUNTER18 0xb12 267 #define CSR_MHPMCOUNTER19 0xb13 268 #define CSR_MHPMCOUNTER20 0xb14 269 #define CSR_MHPMCOUNTER21 0xb15 270 #define CSR_MHPMCOUNTER22 0xb16 271 #define CSR_MHPMCOUNTER23 0xb17 272 #define CSR_MHPMCOUNTER24 0xb18 273 #define CSR_MHPMCOUNTER25 0xb19 274 #define CSR_MHPMCOUNTER26 0xb1a 275 #define CSR_MHPMCOUNTER27 0xb1b 276 #define CSR_MHPMCOUNTER28 0xb1c 277 #define CSR_MHPMCOUNTER29 0xb1d 278 #define CSR_MHPMCOUNTER30 0xb1e 279 #define CSR_MHPMCOUNTER31 0xb1f 280 #define CSR_MHPMEVENT3 0x323 281 #define CSR_MHPMEVENT4 0x324 282 #define CSR_MHPMEVENT5 0x325 283 #define CSR_MHPMEVENT6 0x326 284 #define CSR_MHPMEVENT7 0x327 285 #define CSR_MHPMEVENT8 0x328 286 #define CSR_MHPMEVENT9 0x329 287 #define CSR_MHPMEVENT10 0x32a 288 #define CSR_MHPMEVENT11 0x32b 289 #define CSR_MHPMEVENT12 0x32c 290 #define CSR_MHPMEVENT13 0x32d 291 #define CSR_MHPMEVENT14 0x32e 292 #define CSR_MHPMEVENT15 0x32f 293 #define CSR_MHPMEVENT16 0x330 294 #define CSR_MHPMEVENT17 0x331 295 #define CSR_MHPMEVENT18 0x332 296 #define CSR_MHPMEVENT19 0x333 297 #define CSR_MHPMEVENT20 0x334 298 #define CSR_MHPMEVENT21 0x335 299 #define CSR_MHPMEVENT22 0x336 300 #define CSR_MHPMEVENT23 0x337 301 #define CSR_MHPMEVENT24 0x338 302 #define CSR_MHPMEVENT25 0x339 303 #define CSR_MHPMEVENT26 0x33a 304 #define CSR_MHPMEVENT27 0x33b 305 #define CSR_MHPMEVENT28 0x33c 306 #define CSR_MHPMEVENT29 0x33d 307 #define CSR_MHPMEVENT30 0x33e 308 #define CSR_MHPMEVENT31 0x33f 309 #define CSR_MHPMCOUNTER3H 0xb83 310 #define CSR_MHPMCOUNTER4H 0xb84 311 #define CSR_MHPMCOUNTER5H 0xb85 312 #define CSR_MHPMCOUNTER6H 0xb86 313 #define CSR_MHPMCOUNTER7H 0xb87 314 #define CSR_MHPMCOUNTER8H 0xb88 315 #define CSR_MHPMCOUNTER9H 0xb89 316 #define CSR_MHPMCOUNTER10H 0xb8a 317 #define CSR_MHPMCOUNTER11H 0xb8b 318 #define CSR_MHPMCOUNTER12H 0xb8c 319 #define CSR_MHPMCOUNTER13H 0xb8d 320 #define CSR_MHPMCOUNTER14H 0xb8e 321 #define CSR_MHPMCOUNTER15H 0xb8f 322 #define CSR_MHPMCOUNTER16H 0xb90 323 #define CSR_MHPMCOUNTER17H 0xb91 324 #define CSR_MHPMCOUNTER18H 0xb92 325 #define CSR_MHPMCOUNTER19H 0xb93 326 #define CSR_MHPMCOUNTER20H 0xb94 327 #define CSR_MHPMCOUNTER21H 0xb95 328 #define CSR_MHPMCOUNTER22H 0xb96 329 #define CSR_MHPMCOUNTER23H 0xb97 330 #define CSR_MHPMCOUNTER24H 0xb98 331 #define CSR_MHPMCOUNTER25H 0xb99 332 #define CSR_MHPMCOUNTER26H 0xb9a 333 #define CSR_MHPMCOUNTER27H 0xb9b 334 #define CSR_MHPMCOUNTER28H 0xb9c 335 #define CSR_MHPMCOUNTER29H 0xb9d 336 #define CSR_MHPMCOUNTER30H 0xb9e 337 #define CSR_MHPMCOUNTER31H 0xb9f 338 339 /* Legacy Machine Protection and Translation (priv v1.9.1) */ 340 #define CSR_MBASE 0x380 341 #define CSR_MBOUND 0x381 342 #define CSR_MIBASE 0x382 343 #define CSR_MIBOUND 0x383 344 #define CSR_MDBASE 0x384 345 #define CSR_MDBOUND 0x385 346 347 /* mstatus CSR bits */ 348 #define MSTATUS_UIE 0x00000001 349 #define MSTATUS_SIE 0x00000002 350 #define MSTATUS_MIE 0x00000008 351 #define MSTATUS_UPIE 0x00000010 352 #define MSTATUS_SPIE 0x00000020 353 #define MSTATUS_MPIE 0x00000080 354 #define MSTATUS_SPP 0x00000100 355 #define MSTATUS_MPP 0x00001800 356 #define MSTATUS_FS 0x00006000 357 #define MSTATUS_XS 0x00018000 358 #define MSTATUS_MPRV 0x00020000 359 #define MSTATUS_PUM 0x00040000 /* until: priv-1.9.1 */ 360 #define MSTATUS_SUM 0x00040000 /* since: priv-1.10 */ 361 #define MSTATUS_MXR 0x00080000 362 #define MSTATUS_VM 0x1F000000 /* until: priv-1.9.1 */ 363 #define MSTATUS_TVM 0x00100000 /* since: priv-1.10 */ 364 #define MSTATUS_TW 0x20000000 /* since: priv-1.10 */ 365 #define MSTATUS_TSR 0x40000000 /* since: priv-1.10 */ 366 #if defined(TARGET_RISCV64) 367 #define MSTATUS_MTL 0x4000000000ULL 368 #define MSTATUS_MPV 0x8000000000ULL 369 #elif defined(TARGET_RISCV32) 370 #define MSTATUS_MTL 0x00000040 371 #define MSTATUS_MPV 0x00000080 372 #endif 373 374 #ifdef TARGET_RISCV32 375 # define MSTATUS_MPV_ISSET(env) get_field(env->mstatush, MSTATUS_MPV) 376 #else 377 # define MSTATUS_MPV_ISSET(env) get_field(env->mstatus, MSTATUS_MPV) 378 #endif 379 380 #define MSTATUS64_UXL 0x0000000300000000ULL 381 #define MSTATUS64_SXL 0x0000000C00000000ULL 382 383 #define MSTATUS32_SD 0x80000000 384 #define MSTATUS64_SD 0x8000000000000000ULL 385 386 #define MISA32_MXL 0xC0000000 387 #define MISA64_MXL 0xC000000000000000ULL 388 389 #define MXL_RV32 1 390 #define MXL_RV64 2 391 #define MXL_RV128 3 392 393 #if defined(TARGET_RISCV32) 394 #define MSTATUS_SD MSTATUS32_SD 395 #define MISA_MXL MISA32_MXL 396 #define MXL_VAL MXL_RV32 397 #elif defined(TARGET_RISCV64) 398 #define MSTATUS_SD MSTATUS64_SD 399 #define MISA_MXL MISA64_MXL 400 #define MXL_VAL MXL_RV64 401 #endif 402 403 /* sstatus CSR bits */ 404 #define SSTATUS_UIE 0x00000001 405 #define SSTATUS_SIE 0x00000002 406 #define SSTATUS_UPIE 0x00000010 407 #define SSTATUS_SPIE 0x00000020 408 #define SSTATUS_SPP 0x00000100 409 #define SSTATUS_FS 0x00006000 410 #define SSTATUS_XS 0x00018000 411 #define SSTATUS_PUM 0x00040000 /* until: priv-1.9.1 */ 412 #define SSTATUS_SUM 0x00040000 /* since: priv-1.10 */ 413 #define SSTATUS_MXR 0x00080000 414 415 #define SSTATUS32_SD 0x80000000 416 #define SSTATUS64_SD 0x8000000000000000ULL 417 418 #if defined(TARGET_RISCV32) 419 #define SSTATUS_SD SSTATUS32_SD 420 #elif defined(TARGET_RISCV64) 421 #define SSTATUS_SD SSTATUS64_SD 422 #endif 423 424 /* hstatus CSR bits */ 425 #define HSTATUS_SPRV 0x00000001 426 #define HSTATUS_SPV 0x00000080 427 #define HSTATUS_SP2P 0x00000100 428 #define HSTATUS_SP2V 0x00000200 429 #define HSTATUS_VTVM 0x00100000 430 #define HSTATUS_VTSR 0x00400000 431 432 #define HSTATUS32_WPRI 0xFF8FF87E 433 #define HSTATUS64_WPRI 0xFFFFFFFFFF8FF87EULL 434 435 #if defined(TARGET_RISCV32) 436 #define HSTATUS_WPRI HSTATUS32_WPRI 437 #elif defined(TARGET_RISCV64) 438 #define HSTATUS_WPRI HSTATUS64_WPRI 439 #endif 440 441 /* Privilege modes */ 442 #define PRV_U 0 443 #define PRV_S 1 444 #define PRV_H 2 /* Reserved */ 445 #define PRV_M 3 446 447 /* Virtulisation Register Fields */ 448 #define VIRT_ONOFF 1 449 /* This is used to save state for when we take an exception. If this is set 450 * that means that we want to force a HS level exception (no matter what the 451 * delegation is set to). This will occur for things such as a second level 452 * page table fault. 453 */ 454 #define FORCE_HS_EXCEP 2 455 456 /* RV32 satp CSR field masks */ 457 #define SATP32_MODE 0x80000000 458 #define SATP32_ASID 0x7fc00000 459 #define SATP32_PPN 0x003fffff 460 461 /* RV64 satp CSR field masks */ 462 #define SATP64_MODE 0xF000000000000000ULL 463 #define SATP64_ASID 0x0FFFF00000000000ULL 464 #define SATP64_PPN 0x00000FFFFFFFFFFFULL 465 466 #if defined(TARGET_RISCV32) 467 #define SATP_MODE SATP32_MODE 468 #define SATP_ASID SATP32_ASID 469 #define SATP_PPN SATP32_PPN 470 #endif 471 #if defined(TARGET_RISCV64) 472 #define SATP_MODE SATP64_MODE 473 #define SATP_ASID SATP64_ASID 474 #define SATP_PPN SATP64_PPN 475 #endif 476 477 /* VM modes (mstatus.vm) privileged ISA 1.9.1 */ 478 #define VM_1_09_MBARE 0 479 #define VM_1_09_MBB 1 480 #define VM_1_09_MBBID 2 481 #define VM_1_09_SV32 8 482 #define VM_1_09_SV39 9 483 #define VM_1_09_SV48 10 484 485 /* VM modes (satp.mode) privileged ISA 1.10 */ 486 #define VM_1_10_MBARE 0 487 #define VM_1_10_SV32 1 488 #define VM_1_10_SV39 8 489 #define VM_1_10_SV48 9 490 #define VM_1_10_SV57 10 491 #define VM_1_10_SV64 11 492 493 /* Page table entry (PTE) fields */ 494 #define PTE_V 0x001 /* Valid */ 495 #define PTE_R 0x002 /* Read */ 496 #define PTE_W 0x004 /* Write */ 497 #define PTE_X 0x008 /* Execute */ 498 #define PTE_U 0x010 /* User */ 499 #define PTE_G 0x020 /* Global */ 500 #define PTE_A 0x040 /* Accessed */ 501 #define PTE_D 0x080 /* Dirty */ 502 #define PTE_SOFT 0x300 /* Reserved for Software */ 503 504 /* Page table PPN shift amount */ 505 #define PTE_PPN_SHIFT 10 506 507 /* Leaf page shift amount */ 508 #define PGSHIFT 12 509 510 /* Default Reset Vector adress */ 511 #define DEFAULT_RSTVEC 0x1000 512 513 /* Exception causes */ 514 #define EXCP_NONE -1 /* sentinel value */ 515 #define RISCV_EXCP_INST_ADDR_MIS 0x0 516 #define RISCV_EXCP_INST_ACCESS_FAULT 0x1 517 #define RISCV_EXCP_ILLEGAL_INST 0x2 518 #define RISCV_EXCP_BREAKPOINT 0x3 519 #define RISCV_EXCP_LOAD_ADDR_MIS 0x4 520 #define RISCV_EXCP_LOAD_ACCESS_FAULT 0x5 521 #define RISCV_EXCP_STORE_AMO_ADDR_MIS 0x6 522 #define RISCV_EXCP_STORE_AMO_ACCESS_FAULT 0x7 523 #define RISCV_EXCP_U_ECALL 0x8 524 #define RISCV_EXCP_S_ECALL 0x9 525 #define RISCV_EXCP_VS_ECALL 0xa 526 #define RISCV_EXCP_M_ECALL 0xb 527 #define RISCV_EXCP_INST_PAGE_FAULT 0xc /* since: priv-1.10.0 */ 528 #define RISCV_EXCP_LOAD_PAGE_FAULT 0xd /* since: priv-1.10.0 */ 529 #define RISCV_EXCP_STORE_PAGE_FAULT 0xf /* since: priv-1.10.0 */ 530 #define RISCV_EXCP_INST_GUEST_PAGE_FAULT 0x14 531 #define RISCV_EXCP_LOAD_GUEST_ACCESS_FAULT 0x15 532 #define RISCV_EXCP_STORE_GUEST_AMO_ACCESS_FAULT 0x17 533 534 #define RISCV_EXCP_INT_FLAG 0x80000000 535 #define RISCV_EXCP_INT_MASK 0x7fffffff 536 537 /* Interrupt causes */ 538 #define IRQ_U_SOFT 0 539 #define IRQ_S_SOFT 1 540 #define IRQ_VS_SOFT 2 541 #define IRQ_M_SOFT 3 542 #define IRQ_U_TIMER 4 543 #define IRQ_S_TIMER 5 544 #define IRQ_VS_TIMER 6 545 #define IRQ_M_TIMER 7 546 #define IRQ_U_EXT 8 547 #define IRQ_S_EXT 9 548 #define IRQ_VS_EXT 10 549 #define IRQ_M_EXT 11 550 551 /* mip masks */ 552 #define MIP_USIP (1 << IRQ_U_SOFT) 553 #define MIP_SSIP (1 << IRQ_S_SOFT) 554 #define MIP_VSSIP (1 << IRQ_VS_SOFT) 555 #define MIP_MSIP (1 << IRQ_M_SOFT) 556 #define MIP_UTIP (1 << IRQ_U_TIMER) 557 #define MIP_STIP (1 << IRQ_S_TIMER) 558 #define MIP_VSTIP (1 << IRQ_VS_TIMER) 559 #define MIP_MTIP (1 << IRQ_M_TIMER) 560 #define MIP_UEIP (1 << IRQ_U_EXT) 561 #define MIP_SEIP (1 << IRQ_S_EXT) 562 #define MIP_VSEIP (1 << IRQ_VS_EXT) 563 #define MIP_MEIP (1 << IRQ_M_EXT) 564 565 /* sip masks */ 566 #define SIP_SSIP MIP_SSIP 567 #define SIP_STIP MIP_STIP 568 #define SIP_SEIP MIP_SEIP 569 570 /* MIE masks */ 571 #define MIE_SEIE (1 << IRQ_S_EXT) 572 #define MIE_UEIE (1 << IRQ_U_EXT) 573 #define MIE_STIE (1 << IRQ_S_TIMER) 574 #define MIE_UTIE (1 << IRQ_U_TIMER) 575 #define MIE_SSIE (1 << IRQ_S_SOFT) 576 #define MIE_USIE (1 << IRQ_U_SOFT) 577 #endif 578