miscregs.hh revision 7643
1/* 2 * Copyright (c) 2010 ARM Limited 3 * All rights reserved 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software 9 * licensed hereunder. You may use the software subject to the license 10 * terms below provided that you ensure that this notice is replicated 11 * unmodified and in its entirety in all distributions of the software, 12 * modified or unmodified, in source code or in binary form. 13 * 14 * Copyright (c) 2009 The Regents of The University of Michigan 15 * All rights reserved. 16 * 17 * Redistribution and use in source and binary forms, with or without 18 * modification, are permitted provided that the following conditions are 19 * met: redistributions of source code must retain the above copyright 20 * notice, this list of conditions and the following disclaimer; 21 * redistributions in binary form must reproduce the above copyright 22 * notice, this list of conditions and the following disclaimer in the 23 * documentation and/or other materials provided with the distribution; 24 * neither the name of the copyright holders nor the names of its 25 * contributors may be used to endorse or promote products derived from 26 * this software without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 32 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 33 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 34 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 35 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 36 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 37 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 39 * 40 * Authors: Gabe Black 41 */ 42#ifndef __ARCH_ARM_MISCREGS_HH__ 43#define __ARCH_ARM_MISCREGS_HH__ 44 45#include "base/bitunion.hh" 46 47namespace ArmISA 48{ 49 enum ConditionCode { 50 COND_EQ = 0, 51 COND_NE, // 1 52 COND_CS, // 2 53 COND_CC, // 3 54 COND_MI, // 4 55 COND_PL, // 5 56 COND_VS, // 6 57 COND_VC, // 7 58 COND_HI, // 8 59 COND_LS, // 9 60 COND_GE, // 10 61 COND_LT, // 11 62 COND_GT, // 12 63 COND_LE, // 13 64 COND_AL, // 14 65 COND_UC // 15 66 }; 67 68 enum MiscRegIndex { 69 MISCREG_CPSR = 0, 70 MISCREG_ITSTATE, 71 MISCREG_SPSR, 72 MISCREG_SPSR_FIQ, 73 MISCREG_SPSR_IRQ, 74 MISCREG_SPSR_SVC, 75 MISCREG_SPSR_MON, 76 MISCREG_SPSR_UND, 77 MISCREG_SPSR_ABT, 78 MISCREG_FPSR, 79 MISCREG_FPSID, 80 MISCREG_FPSCR, 81 MISCREG_FPEXC, 82 MISCREG_MVFR0, 83 MISCREG_MVFR1, 84 MISCREG_SCTLR_RST, 85 MISCREG_SEV_MAILBOX, 86 87 // CP15 registers 88 MISCREG_CP15_START, 89 MISCREG_SCTLR = MISCREG_CP15_START, 90 MISCREG_DCCISW, 91 MISCREG_DCCIMVAC, 92 MISCREG_DCCMVAC, 93 MISCREG_CONTEXTIDR, 94 MISCREG_TPIDRURW, 95 MISCREG_TPIDRURO, 96 MISCREG_TPIDRPRW, 97 MISCREG_CP15ISB, 98 MISCREG_CP15DSB, 99 MISCREG_CP15DMB, 100 MISCREG_CPACR, 101 MISCREG_CLIDR, 102 MISCREG_CCSIDR, 103 MISCREG_CSSELR, 104 MISCREG_ICIALLUIS, 105 MISCREG_ICIALLU, 106 MISCREG_ICIMVAU, 107 MISCREG_BPIMVA, 108 MISCREG_BPIALLIS, 109 MISCREG_BPIALL, 110 MISCREG_MIDR, 111 MISCREG_TTBR0, 112 MISCREG_TTBR1, 113 MISCREG_TLBTR, 114 MISCREG_DACR, 115 MISCREG_TLBIALLIS, 116 MISCREG_TLBIMVAIS, 117 MISCREG_TLBIASIDIS, 118 MISCREG_TLBIMVAAIS, 119 MISCREG_ITLBIALL, 120 MISCREG_ITLBIMVA, 121 MISCREG_ITLBIASID, 122 MISCREG_DTLBIALL, 123 MISCREG_DTLBIMVA, 124 MISCREG_DTLBIASID, 125 MISCREG_TLBIALL, 126 MISCREG_TLBIMVA, 127 MISCREG_TLBIASID, 128 MISCREG_TLBIMVAA, 129 MISCREG_DFSR, 130 MISCREG_IFSR, 131 MISCREG_DFAR, 132 MISCREG_IFAR, 133 MISCREG_MPIDR, 134 MISCREG_PRRR, 135 MISCREG_NMRR, 136 MISCREG_TTBCR, 137 MISCREG_ID_PFR0, 138 MISCREG_CTR, 139 MISCREG_SCR, 140 MISCREG_SDER, 141 MISCREG_PAR, 142 MISCREG_V2PCWPR, 143 MISCREG_V2PCWPW, 144 MISCREG_V2PCWUR, 145 MISCREG_V2PCWUW, 146 MISCREG_V2POWPR, 147 MISCREG_V2POWPW, 148 MISCREG_V2POWUR, 149 MISCREG_V2POWUW, 150 MISCREG_ID_MMFR0, 151 MISCREG_ACTLR, 152 MISCREG_PMCR, 153 MISCREG_PMCCNTR, 154 MISCREG_PMCNTENSET, 155 MISCREG_PMCNTENCLR, 156 MISCREG_PMOVSR, 157 MISCREG_PMSWINC, 158 MISCREG_PMSELR, 159 MISCREG_PMCEID0, 160 MISCREG_PMCEID1, 161 MISCREG_PMC_OTHER, 162 MISCREG_PMXEVCNTR, 163 MISCREG_PMUSERENR, 164 MISCREG_PMINTENSET, 165 MISCREG_PMINTENCLR, 166 MISCREG_CP15_UNIMP_START, 167 MISCREG_TCMTR = MISCREG_CP15_UNIMP_START, 168 MISCREG_ID_PFR1, 169 MISCREG_ID_DFR0, 170 MISCREG_ID_AFR0, 171 MISCREG_ID_MMFR1, 172 MISCREG_ID_MMFR2, 173 MISCREG_ID_MMFR3, 174 MISCREG_ID_ISAR0, 175 MISCREG_ID_ISAR1, 176 MISCREG_ID_ISAR2, 177 MISCREG_ID_ISAR3, 178 MISCREG_ID_ISAR4, 179 MISCREG_ID_ISAR5, 180 MISCREG_AIDR, 181 MISCREG_ADFSR, 182 MISCREG_AIFSR, 183 MISCREG_DCIMVAC, 184 MISCREG_DCISW, 185 MISCREG_MCCSW, 186 MISCREG_DCCMVAU, 187 MISCREG_NSACR, 188 MISCREG_VBAR, 189 MISCREG_MVBAR, 190 MISCREG_ISR, 191 MISCREG_FCEIDR, 192 193 194 MISCREG_CP15_END, 195 196 // Dummy indices 197 MISCREG_NOP = MISCREG_CP15_END, 198 MISCREG_RAZ, 199 200 NUM_MISCREGS 201 }; 202 203 MiscRegIndex decodeCP15Reg(unsigned crn, unsigned opc1, 204 unsigned crm, unsigned opc2); 205 206 const char * const miscRegName[NUM_MISCREGS] = { 207 "cpsr", "itstate", "spsr", "spsr_fiq", "spsr_irq", "spsr_svc", 208 "spsr_mon", "spsr_und", "spsr_abt", 209 "fpsr", "fpsid", "fpscr", "fpexc", "mvfr0", "mvfr1", 210 "sctlr_rst", "sev_mailbox", 211 "sctlr", "dccisw", "dccimvac", "dccmvac", 212 "contextidr", "tpidrurw", "tpidruro", "tpidrprw", 213 "cp15isb", "cp15dsb", "cp15dmb", "cpacr", 214 "clidr", "ccsidr", "csselr", 215 "icialluis", "iciallu", "icimvau", 216 "bpimva", "bpiallis", "bpiall", 217 "midr", "ttbr0", "ttbr1", "tlbtr", "dacr", 218 "tlbiallis", "tlbimvais", "tlbiasidis", "tlbimvaais", 219 "itlbiall", "itlbimva", "itlbiasid", 220 "dtlbiall", "dtlbimva", "dtlbiasid", 221 "tlbiall", "tlbimva", "tlbiasid", "tlbimvaa", 222 "dfsr", "ifsr", "dfar", "ifar", "mpidr", 223 "prrr", "nmrr", "ttbcr", "id_pfr0", "ctr", 224 "scr", "sder", "par", 225 "v2pcwpr", "v2pcwpw", "v2pcwur", "v2pcwuw", 226 "v2powpr", "v2powpw", "v2powur", "v2powuw", 227 "id_mmfr0","actlr", "pmcr", "pmcntr", 228 "pmcntenset", "pmcntenclr", "pmovsr", 229 "pmswinc", "pmselr", "pmceid0", 230 "pmceid1", "pmc_other", "pmxevcntr", 231 "pmuserenr", "pmintenset", "pmintenclr", 232 // Unimplemented below 233 "tcmtr", 234 "id_pfr1", "id_dfr0", "id_afr0", 235 "id_mmfr1", "id_mmfr2", "id_mmfr3", 236 "id_isar0", "id_isar1", "id_isar2", "id_isar3", "id_isar4", "id_isar5", 237 "aidr", 238 "adfsr", "aifsr", 239 "dcimvac", "dcisw", "mccsw", 240 "dccmvau", 241 "nsacr", 242 "vbar", "mvbar", "isr", "fceidr", 243 "nop", "raz" 244 }; 245 246 BitUnion32(CPSR) 247 Bitfield<31> n; 248 Bitfield<30> z; 249 Bitfield<29> c; 250 Bitfield<28> v; 251 Bitfield<27> q; 252 Bitfield<26,25> it1; 253 Bitfield<24> j; 254 Bitfield<19, 16> ge; 255 Bitfield<15,10> it2; 256 Bitfield<9> e; 257 Bitfield<8> a; 258 Bitfield<7> i; 259 Bitfield<6> f; 260 Bitfield<5> t; 261 Bitfield<4, 0> mode; 262 EndBitUnion(CPSR) 263 264 BitUnion8(ITSTATE) 265 Bitfield<7, 4> cond; 266 Bitfield<3, 0> mask; 267 // Bitfields for moving to/from CPSR 268 Bitfield<7, 2> top6; 269 Bitfield<1, 0> bottom2; 270 EndBitUnion(ITSTATE) 271 272 // This mask selects bits of the CPSR that actually go in the CondCodes 273 // integer register to allow renaming. 274 static const uint32_t CondCodesMask = 0xF80F0000; 275 276 BitUnion32(SCTLR) 277 Bitfield<31> ie; // Instruction endianness 278 Bitfield<30> te; // Thumb Exception Enable 279 Bitfield<29> afe; // Access flag enable 280 Bitfield<28> tre; // TEX Remap bit 281 Bitfield<27> nmfi;// Non-maskable fast interrupts enable 282 Bitfield<25> ee; // Exception Endianness bit 283 Bitfield<24> ve; // Interrupt vectors enable 284 Bitfield<23> xp; // Extended page table enable bit 285 Bitfield<22> u; // Alignment (now unused) 286 Bitfield<21> fi; // Fast interrupts configuration enable 287 Bitfield<19> dz; // Divide by Zero fault enable bit 288 Bitfield<18> rao2;// Read as one 289 Bitfield<17> br; // Background region bit 290 Bitfield<16> rao3;// Read as one 291 Bitfield<14> rr; // Round robin cache replacement 292 Bitfield<13> v; // Base address for exception vectors 293 Bitfield<12> i; // instruction cache enable 294 Bitfield<11> z; // branch prediction enable bit 295 Bitfield<10> sw; // Enable swp/swpb 296 Bitfield<9,8> rs; // deprecated protection bits 297 Bitfield<6,3> rao4;// Read as one 298 Bitfield<7> b; // Endianness support (unused) 299 Bitfield<2> c; // Cache enable bit 300 Bitfield<1> a; // Alignment fault checking 301 Bitfield<0> m; // MMU enable bit 302 EndBitUnion(SCTLR) 303 304 BitUnion32(CPACR) 305 Bitfield<1, 0> cp0; 306 Bitfield<3, 2> cp1; 307 Bitfield<5, 4> cp2; 308 Bitfield<7, 6> cp3; 309 Bitfield<9, 8> cp4; 310 Bitfield<11, 10> cp5; 311 Bitfield<13, 12> cp6; 312 Bitfield<15, 14> cp7; 313 Bitfield<17, 16> cp8; 314 Bitfield<19, 18> cp9; 315 Bitfield<21, 20> cp10; 316 Bitfield<23, 22> cp11; 317 Bitfield<25, 24> cp12; 318 Bitfield<27, 26> cp13; 319 Bitfield<30> d32dis; 320 Bitfield<31> asedis; 321 EndBitUnion(CPACR) 322 323 BitUnion32(FSR) 324 Bitfield<3, 0> fsLow; 325 Bitfield<7, 4> domain; 326 Bitfield<10> fsHigh; 327 Bitfield<11> wnr; 328 Bitfield<12> ext; 329 EndBitUnion(FSR) 330 331 BitUnion32(FPSCR) 332 Bitfield<0> ioc; 333 Bitfield<1> dzc; 334 Bitfield<2> ofc; 335 Bitfield<3> ufc; 336 Bitfield<4> ixc; 337 Bitfield<7> idc; 338 Bitfield<8> ioe; 339 Bitfield<9> dze; 340 Bitfield<10> ofe; 341 Bitfield<11> ufe; 342 Bitfield<12> ixe; 343 Bitfield<15> ide; 344 Bitfield<18, 16> len; 345 Bitfield<21, 20> stride; 346 Bitfield<23, 22> rMode; 347 Bitfield<24> fz; 348 Bitfield<25> dn; 349 Bitfield<26> ahp; 350 Bitfield<27> qc; 351 Bitfield<28> v; 352 Bitfield<29> c; 353 Bitfield<30> z; 354 Bitfield<31> n; 355 EndBitUnion(FPSCR) 356 357 // This mask selects bits of the FPSCR that actually go in the FpCondCodes 358 // integer register to allow renaming. 359 static const uint32_t FpCondCodesMask = 0xF800009F; 360 361 BitUnion32(FPEXC) 362 Bitfield<31> ex; 363 Bitfield<30> en; 364 Bitfield<29, 0> subArchDefined; 365 EndBitUnion(FPEXC) 366 367 BitUnion32(MVFR0) 368 Bitfield<3, 0> advSimdRegisters; 369 Bitfield<7, 4> singlePrecision; 370 Bitfield<11, 8> doublePrecision; 371 Bitfield<15, 12> vfpExceptionTrapping; 372 Bitfield<19, 16> divide; 373 Bitfield<23, 20> squareRoot; 374 Bitfield<27, 24> shortVectors; 375 Bitfield<31, 28> roundingModes; 376 EndBitUnion(MVFR0) 377 378 BitUnion32(MVFR1) 379 Bitfield<3, 0> flushToZero; 380 Bitfield<7, 4> defaultNaN; 381 Bitfield<11, 8> advSimdLoadStore; 382 Bitfield<15, 12> advSimdInteger; 383 Bitfield<19, 16> advSimdSinglePrecision; 384 Bitfield<23, 20> advSimdHalfPrecision; 385 Bitfield<27, 24> vfpHalfPrecision; 386 Bitfield<31, 28> raz; 387 EndBitUnion(MVFR1) 388 389 BitUnion32(PRRR) 390 Bitfield<1,0> tr0; 391 Bitfield<3,2> tr1; 392 Bitfield<5,4> tr2; 393 Bitfield<7,6> tr3; 394 Bitfield<9,8> tr4; 395 Bitfield<11,10> tr5; 396 Bitfield<13,12> tr6; 397 Bitfield<15,14> tr7; 398 Bitfield<16> ds0; 399 Bitfield<17> ds1; 400 Bitfield<18> ns0; 401 Bitfield<19> ns1; 402 Bitfield<24> nos0; 403 Bitfield<25> nos1; 404 Bitfield<26> nos2; 405 Bitfield<27> nos3; 406 Bitfield<28> nos4; 407 Bitfield<29> nos5; 408 Bitfield<30> nos6; 409 Bitfield<31> nos7; 410 EndBitUnion(PRRR) 411 412 BitUnion32(NMRR) 413 Bitfield<1,0> ir0; 414 Bitfield<3,2> ir1; 415 Bitfield<5,4> ir2; 416 Bitfield<7,6> ir3; 417 Bitfield<9,8> ir4; 418 Bitfield<11,10> ir5; 419 Bitfield<13,12> ir6; 420 Bitfield<15,14> ir7; 421 Bitfield<17,16> or0; 422 Bitfield<19,18> or1; 423 Bitfield<21,20> or2; 424 Bitfield<23,22> or3; 425 Bitfield<25,24> or4; 426 Bitfield<27,26> or5; 427 Bitfield<29,28> or6; 428 Bitfield<31,30> or7; 429 EndBitUnion(NMRR) 430 431}; 432 433#endif // __ARCH_ARM_MISCREGS_HH__ 434