miscregs.hh revision 7383
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_SPSR, 71 MISCREG_SPSR_FIQ, 72 MISCREG_SPSR_IRQ, 73 MISCREG_SPSR_SVC, 74 MISCREG_SPSR_MON, 75 MISCREG_SPSR_UND, 76 MISCREG_SPSR_ABT, 77 MISCREG_FPSR, 78 MISCREG_FPSID, 79 MISCREG_FPSCR, 80 MISCREG_FPEXC, 81 MISCREG_MVFR0, 82 MISCREG_MVFR1, 83 MISCREG_SEV_MAILBOX, 84 85 // CP15 registers 86 MISCREG_CP15_START, 87 MISCREG_SCTLR = MISCREG_CP15_START, 88 MISCREG_DCCISW, 89 MISCREG_DCCIMVAC, 90 MISCREG_DCCMVAC, 91 MISCREG_CONTEXTIDR, 92 MISCREG_TPIDRURW, 93 MISCREG_TPIDRURO, 94 MISCREG_TPIDRPRW, 95 MISCREG_CP15ISB, 96 MISCREG_CP15DSB, 97 MISCREG_CP15DMB, 98 MISCREG_CPACR, 99 MISCREG_CLIDR, 100 MISCREG_CCSIDR, 101 MISCREG_CSSELR, 102 MISCREG_ICIALLUIS, 103 MISCREG_ICIALLU, 104 MISCREG_ICIMVAU, 105 MISCREG_BPIMVA, 106 MISCREG_BPIALLIS, 107 MISCREG_BPIALL, 108 MISCREG_MIDR, 109 MISCREG_TTBR0, 110 MISCREG_TTBR1, 111 MISCREG_TLBTR, 112 MISCREG_DACR, 113 MISCREG_TLBIALLIS, 114 MISCREG_TLBIMVAIS, 115 MISCREG_TLBIASIDIS, 116 MISCREG_TLBIMVAAIS, 117 MISCREG_ITLBIALL, 118 MISCREG_ITLBIMVA, 119 MISCREG_ITLBIASID, 120 MISCREG_DTLBIALL, 121 MISCREG_DTLBIMVA, 122 MISCREG_DTLBIASID, 123 MISCREG_TLBIALL, 124 MISCREG_TLBIMVA, 125 MISCREG_TLBIASID, 126 MISCREG_TLBIMVAA, 127 MISCREG_DFSR, 128 MISCREG_IFSR, 129 MISCREG_DFAR, 130 MISCREG_IFAR, 131 MISCREG_CP15_UNIMP_START, 132 MISCREG_CTR = MISCREG_CP15_UNIMP_START, 133 MISCREG_TCMTR, 134 MISCREG_MPIDR, 135 MISCREG_ID_PFR0, 136 MISCREG_ID_PFR1, 137 MISCREG_ID_DFR0, 138 MISCREG_ID_AFR0, 139 MISCREG_ID_MMFR0, 140 MISCREG_ID_MMFR1, 141 MISCREG_ID_MMFR2, 142 MISCREG_ID_MMFR3, 143 MISCREG_ID_ISAR0, 144 MISCREG_ID_ISAR1, 145 MISCREG_ID_ISAR2, 146 MISCREG_ID_ISAR3, 147 MISCREG_ID_ISAR4, 148 MISCREG_ID_ISAR5, 149 MISCREG_PAR, 150 MISCREG_AIDR, 151 MISCREG_ACTLR, 152 MISCREG_ADFSR, 153 MISCREG_AIFSR, 154 MISCREG_DCIMVAC, 155 MISCREG_DCISW, 156 MISCREG_MCCSW, 157 MISCREG_DCCMVAU, 158 MISCREG_SCR, 159 MISCREG_SDER, 160 MISCREG_NSACR, 161 MISCREG_TTBCR, 162 MISCREG_V2PCWPR, 163 MISCREG_V2PCWPW, 164 MISCREG_V2PCWUR, 165 MISCREG_V2PCWUW, 166 MISCREG_V2POWPR, 167 MISCREG_V2POWPW, 168 MISCREG_V2POWUR, 169 MISCREG_V2POWUW, 170 MISCREG_PRRR, 171 MISCREG_NMRR, 172 MISCREG_VBAR, 173 MISCREG_MVBAR, 174 MISCREG_ISR, 175 MISCREG_FCEIDR, 176 177 178 MISCREG_CP15_END, 179 180 // Dummy indices 181 MISCREG_NOP = MISCREG_CP15_END, 182 MISCREG_RAZ, 183 184 NUM_MISCREGS 185 }; 186 187 MiscRegIndex decodeCP15Reg(unsigned crn, unsigned opc1, 188 unsigned crm, unsigned opc2); 189 190 const char * const miscRegName[NUM_MISCREGS] = { 191 "cpsr", "spsr", "spsr_fiq", "spsr_irq", "spsr_svc", 192 "spsr_mon", "spsr_und", "spsr_abt", 193 "fpsr", "fpsid", "fpscr", "fpexc", "mvfr0", "mvfr1", 194 "sev_mailbox", 195 "sctlr", "dccisw", "dccimvac", "dccmvac", 196 "contextidr", "tpidrurw", "tpidruro", "tpidrprw", 197 "cp15isb", "cp15dsb", "cp15dmb", "cpacr", 198 "clidr", "ccsidr", "csselr", 199 "icialluis", "iciallu", "icimvau", 200 "bpimva", "bpiallis", "bpiall", 201 "midr", "ttbr0", "ttbr1", "tlbtr", "dacr", 202 "tlbiallis", "tlbimvais", "tlbiasidis", "tlbimvaais", 203 "itlbiall", "itlbimva", "itlbiasid", 204 "dtlbiall", "dtlbimva", "dtlbiasid", 205 "tlbiall", "tlbimva", "tlbiasid", "tlbimvaa", 206 "dfsr", "ifsr", "dfar", "ifar", 207 "ctr", "tcmtr", "mpidr", 208 "id_pfr0", "id_pfr1", "id_dfr0", "id_afr0", 209 "id_mmfr0", "id_mmfr1", "id_mmfr2", "id_mmfr3", 210 "id_isar0", "id_isar1", "id_isar2", "id_isar3", "id_isar4", "id_isar5", 211 "par", "aidr", "actlr", 212 "adfsr", "aifsr", 213 "dcimvac", "dcisw", "mccsw", 214 "dccmvau", 215 "scr", "sder", "nsacr", "ttbcr", 216 "v2pcwpr", "v2pcwpw", "v2pcwur", "v2pcwuw", 217 "v2powpr", "v2powpw", "v2powur", "v2powuw", 218 "prrr", "nmrr", "vbar", "mvbar", "isr", "fceidr", 219 "nop", "raz" 220 }; 221 222 BitUnion32(CPSR) 223 Bitfield<31> n; 224 Bitfield<30> z; 225 Bitfield<29> c; 226 Bitfield<28> v; 227 Bitfield<27> q; 228 Bitfield<26,25> it1; 229 Bitfield<24> j; 230 Bitfield<19, 16> ge; 231 Bitfield<15,10> it2; 232 Bitfield<9> e; 233 Bitfield<8> a; 234 Bitfield<7> i; 235 Bitfield<6> f; 236 Bitfield<5> t; 237 Bitfield<4, 0> mode; 238 EndBitUnion(CPSR) 239 240 // This mask selects bits of the CPSR that actually go in the CondCodes 241 // integer register to allow renaming. 242 static const uint32_t CondCodesMask = 0xF80F0000; 243 244 BitUnion32(SCTLR) 245 Bitfield<31> ie; // Instruction endianness 246 Bitfield<30> te; // Thumb Exception Enable 247 Bitfield<29> afe; // Access flag enable 248 Bitfield<28> tre; // TEX Remap bit 249 Bitfield<27> nmfi;// Non-maskable fast interrupts enable 250 Bitfield<25> ee; // Exception Endianness bit 251 Bitfield<24> ve; // Interrupt vectors enable 252 Bitfield<23> rao1;// Read as one 253 Bitfield<22> u; // Alignment (now unused) 254 Bitfield<21> fi; // Fast interrupts configuration enable 255 Bitfield<19> dz; // Divide by Zero fault enable bit 256 Bitfield<18> rao2;// Read as one 257 Bitfield<17> br; // Background region bit 258 Bitfield<16> rao3;// Read as one 259 Bitfield<14> rr; // Round robin cache replacement 260 Bitfield<13> v; // Base address for exception vectors 261 Bitfield<12> i; // instruction cache enable 262 Bitfield<11> z; // branch prediction enable bit 263 Bitfield<10> sw; // Enable swp/swpb 264 Bitfield<6,3> rao4;// Read as one 265 Bitfield<7> b; // Endianness support (unused) 266 Bitfield<2> c; // Cache enable bit 267 Bitfield<1> a; // Alignment fault checking 268 Bitfield<0> m; // MMU enable bit 269 EndBitUnion(SCTLR) 270 271 BitUnion32(CPACR) 272 Bitfield<1, 0> cp0; 273 Bitfield<3, 2> cp1; 274 Bitfield<5, 4> cp2; 275 Bitfield<7, 6> cp3; 276 Bitfield<9, 8> cp4; 277 Bitfield<11, 10> cp5; 278 Bitfield<13, 12> cp6; 279 Bitfield<15, 14> cp7; 280 Bitfield<17, 16> cp8; 281 Bitfield<19, 18> cp9; 282 Bitfield<21, 20> cp10; 283 Bitfield<23, 22> cp11; 284 Bitfield<25, 24> cp12; 285 Bitfield<27, 26> cp13; 286 Bitfield<30> d32dis; 287 Bitfield<31> asedis; 288 EndBitUnion(CPACR) 289 290 BitUnion32(FSR) 291 Bitfield<3, 0> fsLow; 292 Bitfield<7, 4> domain; 293 Bitfield<10> fsHigh; 294 Bitfield<11> wnr; 295 Bitfield<12> ext; 296 EndBitUnion(FSR) 297 298 BitUnion32(FPSCR) 299 Bitfield<0> ioc; 300 Bitfield<1> dzc; 301 Bitfield<2> ofc; 302 Bitfield<3> ufc; 303 Bitfield<4> ixc; 304 Bitfield<7> idc; 305 Bitfield<8> ioe; 306 Bitfield<9> dze; 307 Bitfield<10> ofe; 308 Bitfield<11> ufe; 309 Bitfield<12> ixe; 310 Bitfield<15> ide; 311 Bitfield<18, 16> len; 312 Bitfield<21, 20> stride; 313 Bitfield<23, 22> rMode; 314 Bitfield<24> fz; 315 Bitfield<25> dn; 316 Bitfield<26> ahp; 317 Bitfield<27> qc; 318 Bitfield<28> v; 319 Bitfield<29> c; 320 Bitfield<30> z; 321 Bitfield<31> n; 322 EndBitUnion(FPSCR) 323 324 BitUnion32(MVFR0) 325 Bitfield<3, 0> advSimdRegisters; 326 Bitfield<7, 4> singlePrecision; 327 Bitfield<11, 8> doublePrecision; 328 Bitfield<15, 12> vfpExceptionTrapping; 329 Bitfield<19, 16> divide; 330 Bitfield<23, 20> squareRoot; 331 Bitfield<27, 24> shortVectors; 332 Bitfield<31, 28> roundingModes; 333 EndBitUnion(MVFR0) 334 335 BitUnion32(MVFR1) 336 Bitfield<3, 0> flushToZero; 337 Bitfield<7, 4> defaultNaN; 338 Bitfield<11, 8> advSimdLoadStore; 339 Bitfield<15, 12> advSimdInteger; 340 Bitfield<19, 16> advSimdSinglePrecision; 341 Bitfield<23, 20> advSimdHalfPrecision; 342 Bitfield<27, 24> vfpHalfPrecision; 343 Bitfield<31, 28> raz; 344 EndBitUnion(MVFR1) 345}; 346 347#endif // __ARCH_ARM_MISCREGS_HH__ 348