1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Copyright (c) 2017 Microsemi Corporation. 4 * Padmarao Begari, Microsemi Corporation <padmarao.begari@microsemi.com> 5 */ 6 7 #ifndef RISCV_CSR_ENCODING_H 8 #define RISCV_CSR_ENCODING_H 9 10 #ifdef CONFIG_RISCV_SMODE 11 #define MODE_PREFIX(__suffix) s##__suffix 12 #else 13 #define MODE_PREFIX(__suffix) m##__suffix 14 #endif 15 16 #define MSTATUS_UIE 0x00000001 17 #define MSTATUS_SIE 0x00000002 18 #define MSTATUS_HIE 0x00000004 19 #define MSTATUS_MIE 0x00000008 20 #define MSTATUS_UPIE 0x00000010 21 #define MSTATUS_SPIE 0x00000020 22 #define MSTATUS_HPIE 0x00000040 23 #define MSTATUS_MPIE 0x00000080 24 #define MSTATUS_SPP 0x00000100 25 #define MSTATUS_HPP 0x00000600 26 #define MSTATUS_MPP 0x00001800 27 #define MSTATUS_FS 0x00006000 28 #define MSTATUS_XS 0x00018000 29 #define MSTATUS_MPRV 0x00020000 30 #define MSTATUS_PUM 0x00040000 31 #define MSTATUS_VM 0x1F000000 32 #define MSTATUS32_SD 0x80000000 33 #define MSTATUS64_SD 0x8000000000000000 34 35 #define MCAUSE32_CAUSE 0x7FFFFFFF 36 #define MCAUSE64_CAUSE 0x7FFFFFFFFFFFFFFF 37 #define MCAUSE32_INT 0x80000000 38 #define MCAUSE64_INT 0x8000000000000000 39 40 #define SSTATUS_UIE 0x00000001 41 #define SSTATUS_SIE 0x00000002 42 #define SSTATUS_UPIE 0x00000010 43 #define SSTATUS_SPIE 0x00000020 44 #define SSTATUS_SPP 0x00000100 45 #define SSTATUS_FS 0x00006000 46 #define SSTATUS_XS 0x00018000 47 #define SSTATUS_PUM 0x00040000 48 #define SSTATUS32_SD 0x80000000 49 #define SSTATUS64_SD 0x8000000000000000 50 51 #define MIP_SSIP BIT(IRQ_S_SOFT) 52 #define MIP_HSIP BIT(IRQ_H_SOFT) 53 #define MIP_MSIP BIT(IRQ_M_SOFT) 54 #define MIP_STIP BIT(IRQ_S_TIMER) 55 #define MIP_HTIP BIT(IRQ_H_TIMER) 56 #define MIP_MTIP BIT(IRQ_M_TIMER) 57 #define MIP_SEIP BIT(IRQ_S_EXT) 58 #define MIP_HEIP BIT(IRQ_H_EXT) 59 #define MIP_MEIP BIT(IRQ_M_EXT) 60 61 #define SIP_SSIP MIP_SSIP 62 #define SIP_STIP MIP_STIP 63 64 #define PRV_U 0 65 #define PRV_S 1 66 #define PRV_H 2 67 #define PRV_M 3 68 69 #define VM_MBARE 0 70 #define VM_MBB 1 71 #define VM_MBBID 2 72 #define VM_SV32 8 73 #define VM_SV39 9 74 #define VM_SV48 10 75 76 #define IRQ_S_SOFT 1 77 #define IRQ_H_SOFT 2 78 #define IRQ_M_SOFT 3 79 #define IRQ_S_TIMER 5 80 #define IRQ_H_TIMER 6 81 #define IRQ_M_TIMER 7 82 #define IRQ_S_EXT 9 83 #define IRQ_H_EXT 10 84 #define IRQ_M_EXT 11 85 #define IRQ_COP 12 86 #define IRQ_HOST 13 87 88 #define CAUSE_MISALIGNED_FETCH 0 89 #define CAUSE_FETCH_ACCESS 1 90 #define CAUSE_ILLEGAL_INSTRUCTION 2 91 #define CAUSE_BREAKPOINT 3 92 #define CAUSE_MISALIGNED_LOAD 4 93 #define CAUSE_LOAD_ACCESS 5 94 #define CAUSE_MISALIGNED_STORE 6 95 #define CAUSE_STORE_ACCESS 7 96 #define CAUSE_USER_ECALL 8 97 #define CAUSE_SUPERVISOR_ECALL 9 98 #define CAUSE_MACHINE_ECALL 11 99 #define CAUSE_FETCH_PAGE_FAULT 12 100 #define CAUSE_LOAD_PAGE_FAULT 13 101 #define CAUSE_STORE_PAGE_FAULT 15 102 103 #define DEFAULT_RSTVEC 0x00001000 104 #define DEFAULT_NMIVEC 0x00001004 105 #define DEFAULT_MTVEC 0x00001010 106 #define CONFIG_STRING_ADDR 0x0000100C 107 #define EXT_IO_BASE 0x40000000 108 #define DRAM_BASE 0x80000000 109 110 // page table entry (PTE) fields 111 #define PTE_V 0x001 // Valid 112 #define PTE_TYPE 0x01E // Type 113 #define PTE_R 0x020 // Referenced 114 #define PTE_D 0x040 // Dirty 115 #define PTE_SOFT 0x380 // Reserved for Software 116 117 #define PTE_TYPE_TABLE 0x00 118 #define PTE_TYPE_TABLE_GLOBAL 0x02 119 #define PTE_TYPE_URX_SR 0x04 120 #define PTE_TYPE_URWX_SRW 0x06 121 #define PTE_TYPE_UR_SR 0x08 122 #define PTE_TYPE_URW_SRW 0x0A 123 #define PTE_TYPE_URX_SRX 0x0C 124 #define PTE_TYPE_URWX_SRWX0x0E 125 #define PTE_TYPE_SR 0x10 126 #define PTE_TYPE_SRW 0x12 127 #define PTE_TYPE_SRX 0x14 128 #define PTE_TYPE_SRWX 0x16 129 #define PTE_TYPE_SR_GLOBAL 0x18 130 #define PTE_TYPE_SRW_GLOBAL 0x1A 131 #define PTE_TYPE_SRX_GLOBAL 0x1C 132 #define PTE_TYPE_SRWX_GLOBAL 0x1E 133 134 #define PTE_PPN_SHIFT 10 135 136 #define PTE_TABLE(PTE) ((0x0000000AU >> ((PTE) & 0x1F)) & 1) 137 #define PTE_UR(PTE) ((0x0000AAA0U >> ((PTE) & 0x1F)) & 1) 138 #define PTE_UW(PTE) ((0x00008880U >> ((PTE) & 0x1F)) & 1) 139 #define PTE_UX(PTE) ((0x0000A0A0U >> ((PTE) & 0x1F)) & 1) 140 #define PTE_SR(PTE) ((0xAAAAAAA0U >> ((PTE) & 0x1F)) & 1) 141 #define PTE_SW(PTE) ((0x88888880U >> ((PTE) & 0x1F)) & 1) 142 #define PTE_SX(PTE) ((0xA0A0A000U >> ((PTE) & 0x1F)) & 1) 143 144 #define PTE_CHECK_PERM(_PTE, _SUPERVISOR, STORE, FETCH) \ 145 typeof(_PTE) (PTE) = (_PTE); \ 146 typeof(_SUPERVISOR) (SUPERVISOR) = (_SUPERVISOR); \ 147 ((STORE) ? ((SUPERVISOR) ? PTE_SW(PTE) : PTE_UW(PTE)) : \ 148 (FETCH) ? ((SUPERVISOR) ? PTE_SX(PTE) : PTE_UX(PTE)) : \ 149 ((SUPERVISOR) ? PTE_SR(PTE) : PTE_UR(PTE))) 150 151 #ifdef __riscv 152 153 #ifdef CONFIG_64BIT 154 # define MSTATUS_SD MSTATUS64_SD 155 # define SSTATUS_SD SSTATUS64_SD 156 # define MCAUSE_INT MCAUSE64_INT 157 # define MCAUSE_CAUSE MCAUSE64_CAUSE 158 # define RISCV_PGLEVEL_BITS 9 159 #else 160 # define MSTATUS_SD MSTATUS32_SD 161 # define SSTATUS_SD SSTATUS32_SD 162 # define RISCV_PGLEVEL_BITS 10 163 # define MCAUSE_INT MCAUSE32_INT 164 # define MCAUSE_CAUSE MCAUSE32_CAUSE 165 #endif 166 167 #define RISCV_PGSHIFT 12 168 #define RISCV_PGSIZE BIT(RISCV_PGSHIFT) 169 170 /* CSR numbers */ 171 #define CSR_FFLAGS 0x1 172 #define CSR_FRM 0x2 173 #define CSR_FCSR 0x3 174 175 #define CSR_SSTATUS 0x100 176 #define CSR_SEDELEG 0x102 177 #define CSR_SIDELEG 0x103 178 #define CSR_SIE 0x104 179 #define CSR_STVEC 0x105 180 #define CSR_SCOUNTEREN 0x106 181 #define CSR_SSCRATCH 0x140 182 #define CSR_SEPC 0x141 183 #define CSR_SCAUSE 0x142 184 #define CSR_STVAL 0x143 185 #define CSR_SIP 0x144 186 #define CSR_SATP 0x180 187 188 #define CSR_MSTATUS 0x300 189 #define CSR_MISA 0x301 190 #define CSR_MEDELEG 0x302 191 #define CSR_MIDELEG 0x303 192 #define CSR_MIE 0x304 193 #define CSR_MTVEC 0x305 194 #define CSR_MCOUNTEREN 0x306 195 #define CSR_MHPMEVENT3 0x323 196 #define CSR_MHPMEVENT4 0x324 197 #define CSR_MHPMEVENT5 0x325 198 #define CSR_MHPMEVENT6 0x326 199 #define CSR_MHPMEVENT7 0x327 200 #define CSR_MHPMEVENT8 0x328 201 #define CSR_MHPMEVENT9 0x329 202 #define CSR_MHPMEVENT10 0x32a 203 #define CSR_MHPMEVENT11 0x32b 204 #define CSR_MHPMEVENT12 0x32c 205 #define CSR_MHPMEVENT13 0x32d 206 #define CSR_MHPMEVENT14 0x32e 207 #define CSR_MHPMEVENT15 0x32f 208 #define CSR_MHPMEVENT16 0x330 209 #define CSR_MHPMEVENT17 0x331 210 #define CSR_MHPMEVENT18 0x332 211 #define CSR_MHPMEVENT19 0x333 212 #define CSR_MHPMEVENT20 0x334 213 #define CSR_MHPMEVENT21 0x335 214 #define CSR_MHPMEVENT22 0x336 215 #define CSR_MHPMEVENT23 0x337 216 #define CSR_MHPMEVENT24 0x338 217 #define CSR_MHPMEVENT25 0x339 218 #define CSR_MHPMEVENT26 0x33a 219 #define CSR_MHPMEVENT27 0x33b 220 #define CSR_MHPMEVENT28 0x33c 221 #define CSR_MHPMEVENT29 0x33d 222 #define CSR_MHPMEVENT30 0x33e 223 #define CSR_MHPMEVENT31 0x33f 224 #define CSR_MSCRATCH 0x340 225 #define CSR_MEPC 0x341 226 #define CSR_MCAUSE 0x342 227 #define CSR_MTVAL 0x343 228 #define CSR_MIP 0x344 229 #define CSR_PMPCFG0 0x3a0 230 #define CSR_PMPCFG1 0x3a1 231 #define CSR_PMPCFG2 0x3a2 232 #define CSR_PMPCFG3 0x3a3 233 #define CSR_PMPADDR0 0x3b0 234 #define CSR_PMPADDR1 0x3b1 235 #define CSR_PMPADDR2 0x3b2 236 #define CSR_PMPADDR3 0x3b3 237 #define CSR_PMPADDR4 0x3b4 238 #define CSR_PMPADDR5 0x3b5 239 #define CSR_PMPADDR6 0x3b6 240 #define CSR_PMPADDR7 0x3b7 241 #define CSR_PMPADDR8 0x3b8 242 #define CSR_PMPADDR9 0x3b9 243 #define CSR_PMPADDR10 0x3ba 244 #define CSR_PMPADDR11 0x3bb 245 #define CSR_PMPADDR12 0x3bc 246 #define CSR_PMPADDR13 0x3bd 247 #define CSR_PMPADDR14 0x3be 248 #define CSR_PMPADDR15 0x3bf 249 250 #define CSR_TSELECT 0x7a0 251 #define CSR_TDATA1 0x7a1 252 #define CSR_TDATA2 0x7a2 253 #define CSR_TDATA3 0x7a3 254 #define CSR_DCSR 0x7b0 255 #define CSR_DPC 0x7b1 256 #define CSR_DSCRATCH 0x7b2 257 258 #define CSR_MCYCLE 0xb00 259 #define CSR_MINSTRET 0xb02 260 #define CSR_MHPMCOUNTER3 0xb03 261 #define CSR_MHPMCOUNTER4 0xb04 262 #define CSR_MHPMCOUNTER5 0xb05 263 #define CSR_MHPMCOUNTER6 0xb06 264 #define CSR_MHPMCOUNTER7 0xb07 265 #define CSR_MHPMCOUNTER8 0xb08 266 #define CSR_MHPMCOUNTER9 0xb09 267 #define CSR_MHPMCOUNTER10 0xb0a 268 #define CSR_MHPMCOUNTER11 0xb0b 269 #define CSR_MHPMCOUNTER12 0xb0c 270 #define CSR_MHPMCOUNTER13 0xb0d 271 #define CSR_MHPMCOUNTER14 0xb0e 272 #define CSR_MHPMCOUNTER15 0xb0f 273 #define CSR_MHPMCOUNTER16 0xb10 274 #define CSR_MHPMCOUNTER17 0xb11 275 #define CSR_MHPMCOUNTER18 0xb12 276 #define CSR_MHPMCOUNTER19 0xb13 277 #define CSR_MHPMCOUNTER20 0xb14 278 #define CSR_MHPMCOUNTER21 0xb15 279 #define CSR_MHPMCOUNTER22 0xb16 280 #define CSR_MHPMCOUNTER23 0xb17 281 #define CSR_MHPMCOUNTER24 0xb18 282 #define CSR_MHPMCOUNTER25 0xb19 283 #define CSR_MHPMCOUNTER26 0xb1a 284 #define CSR_MHPMCOUNTER27 0xb1b 285 #define CSR_MHPMCOUNTER28 0xb1c 286 #define CSR_MHPMCOUNTER29 0xb1d 287 #define CSR_MHPMCOUNTER30 0xb1e 288 #define CSR_MHPMCOUNTER31 0xb1f 289 #define CSR_MCYCLEH 0xb80 290 #define CSR_MINSTRETH 0xb82 291 #define CSR_MHPMCOUNTER3H 0xb83 292 #define CSR_MHPMCOUNTER4H 0xb84 293 #define CSR_MHPMCOUNTER5H 0xb85 294 #define CSR_MHPMCOUNTER6H 0xb86 295 #define CSR_MHPMCOUNTER7H 0xb87 296 #define CSR_MHPMCOUNTER8H 0xb88 297 #define CSR_MHPMCOUNTER9H 0xb89 298 #define CSR_MHPMCOUNTER10H 0xb8a 299 #define CSR_MHPMCOUNTER11H 0xb8b 300 #define CSR_MHPMCOUNTER12H 0xb8c 301 #define CSR_MHPMCOUNTER13H 0xb8d 302 #define CSR_MHPMCOUNTER14H 0xb8e 303 #define CSR_MHPMCOUNTER15H 0xb8f 304 #define CSR_MHPMCOUNTER16H 0xb90 305 #define CSR_MHPMCOUNTER17H 0xb91 306 #define CSR_MHPMCOUNTER18H 0xb92 307 #define CSR_MHPMCOUNTER19H 0xb93 308 #define CSR_MHPMCOUNTER20H 0xb94 309 #define CSR_MHPMCOUNTER21H 0xb95 310 #define CSR_MHPMCOUNTER22H 0xb96 311 #define CSR_MHPMCOUNTER23H 0xb97 312 #define CSR_MHPMCOUNTER24H 0xb98 313 #define CSR_MHPMCOUNTER25H 0xb99 314 #define CSR_MHPMCOUNTER26H 0xb9a 315 #define CSR_MHPMCOUNTER27H 0xb9b 316 #define CSR_MHPMCOUNTER28H 0xb9c 317 #define CSR_MHPMCOUNTER29H 0xb9d 318 #define CSR_MHPMCOUNTER30H 0xb9e 319 #define CSR_MHPMCOUNTER31H 0xb9f 320 321 #define CSR_CYCLE 0xc00 322 #define CSR_TIME 0xc01 323 #define CSR_INSTRET 0xc02 324 #define CSR_HPMCOUNTER3 0xc03 325 #define CSR_HPMCOUNTER4 0xc04 326 #define CSR_HPMCOUNTER5 0xc05 327 #define CSR_HPMCOUNTER6 0xc06 328 #define CSR_HPMCOUNTER7 0xc07 329 #define CSR_HPMCOUNTER8 0xc08 330 #define CSR_HPMCOUNTER9 0xc09 331 #define CSR_HPMCOUNTER10 0xc0a 332 #define CSR_HPMCOUNTER11 0xc0b 333 #define CSR_HPMCOUNTER12 0xc0c 334 #define CSR_HPMCOUNTER13 0xc0d 335 #define CSR_HPMCOUNTER14 0xc0e 336 #define CSR_HPMCOUNTER15 0xc0f 337 #define CSR_HPMCOUNTER16 0xc10 338 #define CSR_HPMCOUNTER17 0xc11 339 #define CSR_HPMCOUNTER18 0xc12 340 #define CSR_HPMCOUNTER19 0xc13 341 #define CSR_HPMCOUNTER20 0xc14 342 #define CSR_HPMCOUNTER21 0xc15 343 #define CSR_HPMCOUNTER22 0xc16 344 #define CSR_HPMCOUNTER23 0xc17 345 #define CSR_HPMCOUNTER24 0xc18 346 #define CSR_HPMCOUNTER25 0xc19 347 #define CSR_HPMCOUNTER26 0xc1a 348 #define CSR_HPMCOUNTER27 0xc1b 349 #define CSR_HPMCOUNTER28 0xc1c 350 #define CSR_HPMCOUNTER29 0xc1d 351 #define CSR_HPMCOUNTER30 0xc1e 352 #define CSR_HPMCOUNTER31 0xc1f 353 #define CSR_CYCLEH 0xc80 354 #define CSR_TIMEH 0xc81 355 #define CSR_INSTRETH 0xc82 356 #define CSR_HPMCOUNTER3H 0xc83 357 #define CSR_HPMCOUNTER4H 0xc84 358 #define CSR_HPMCOUNTER5H 0xc85 359 #define CSR_HPMCOUNTER6H 0xc86 360 #define CSR_HPMCOUNTER7H 0xc87 361 #define CSR_HPMCOUNTER8H 0xc88 362 #define CSR_HPMCOUNTER9H 0xc89 363 #define CSR_HPMCOUNTER10H 0xc8a 364 #define CSR_HPMCOUNTER11H 0xc8b 365 #define CSR_HPMCOUNTER12H 0xc8c 366 #define CSR_HPMCOUNTER13H 0xc8d 367 #define CSR_HPMCOUNTER14H 0xc8e 368 #define CSR_HPMCOUNTER15H 0xc8f 369 #define CSR_HPMCOUNTER16H 0xc90 370 #define CSR_HPMCOUNTER17H 0xc91 371 #define CSR_HPMCOUNTER18H 0xc92 372 #define CSR_HPMCOUNTER19H 0xc93 373 #define CSR_HPMCOUNTER20H 0xc94 374 #define CSR_HPMCOUNTER21H 0xc95 375 #define CSR_HPMCOUNTER22H 0xc96 376 #define CSR_HPMCOUNTER23H 0xc97 377 #define CSR_HPMCOUNTER24H 0xc98 378 #define CSR_HPMCOUNTER25H 0xc99 379 #define CSR_HPMCOUNTER26H 0xc9a 380 #define CSR_HPMCOUNTER27H 0xc9b 381 #define CSR_HPMCOUNTER28H 0xc9c 382 #define CSR_HPMCOUNTER29H 0xc9d 383 #define CSR_HPMCOUNTER30H 0xc9e 384 #define CSR_HPMCOUNTER31H 0xc9f 385 386 #define CSR_MVENDORID 0xf11 387 #define CSR_MARCHID 0xf12 388 #define CSR_MIMPID 0xf13 389 #define CSR_MHARTID 0xf14 390 391 #endif /* __riscv */ 392 393 #endif /* RISCV_CSR_ENCODING_H */ 394