1 #ifndef SPARC_CPU_H 2 #define SPARC_CPU_H 3 4 #include "qemu/bswap.h" 5 #include "cpu-qom.h" 6 #include "exec/cpu-common.h" 7 #include "exec/cpu-defs.h" 8 #include "exec/cpu-interrupt.h" 9 #include "qemu/cpu-float.h" 10 11 #if !defined(TARGET_SPARC64) 12 #define TARGET_DPREGS 16 13 #define TARGET_FCCREGS 1 14 #else 15 #define TARGET_DPREGS 32 16 #define TARGET_FCCREGS 4 17 #endif 18 19 /*#define EXCP_INTERRUPT 0x100*/ 20 21 /* Windowed register indexes. */ 22 enum { 23 WREG_O0, 24 WREG_O1, 25 WREG_O2, 26 WREG_O3, 27 WREG_O4, 28 WREG_O5, 29 WREG_O6, 30 WREG_O7, 31 32 WREG_L0, 33 WREG_L1, 34 WREG_L2, 35 WREG_L3, 36 WREG_L4, 37 WREG_L5, 38 WREG_L6, 39 WREG_L7, 40 41 WREG_I0, 42 WREG_I1, 43 WREG_I2, 44 WREG_I3, 45 WREG_I4, 46 WREG_I5, 47 WREG_I6, 48 WREG_I7, 49 50 WREG_SP = WREG_O6, 51 WREG_FP = WREG_I6, 52 }; 53 54 /* trap definitions */ 55 #ifndef TARGET_SPARC64 56 #define TT_TFAULT 0x01 57 #define TT_ILL_INSN 0x02 58 #define TT_PRIV_INSN 0x03 59 #define TT_NFPU_INSN 0x04 60 #define TT_WIN_OVF 0x05 61 #define TT_WIN_UNF 0x06 62 #define TT_UNALIGNED 0x07 63 #define TT_FP_EXCP 0x08 64 #define TT_DFAULT 0x09 65 #define TT_TOVF 0x0a 66 #define TT_EXTINT 0x10 67 #define TT_CODE_ACCESS 0x21 68 #define TT_UNIMP_FLUSH 0x25 69 #define TT_DATA_ACCESS 0x29 70 #define TT_DIV_ZERO 0x2a 71 #define TT_NCP_INSN 0x24 72 #define TT_TRAP 0x80 73 #else 74 #define TT_POWER_ON_RESET 0x01 75 #define TT_TFAULT 0x08 76 #define TT_CODE_ACCESS 0x0a 77 #define TT_ILL_INSN 0x10 78 #define TT_UNIMP_FLUSH TT_ILL_INSN 79 #define TT_PRIV_INSN 0x11 80 #define TT_NFPU_INSN 0x20 81 #define TT_FP_EXCP 0x21 82 #define TT_TOVF 0x23 83 #define TT_CLRWIN 0x24 84 #define TT_DIV_ZERO 0x28 85 #define TT_DFAULT 0x30 86 #define TT_DATA_ACCESS 0x32 87 #define TT_UNALIGNED 0x34 88 #define TT_PRIV_ACT 0x37 89 #define TT_INSN_REAL_TRANSLATION_MISS 0x3e 90 #define TT_DATA_REAL_TRANSLATION_MISS 0x3f 91 #define TT_EXTINT 0x40 92 #define TT_IVEC 0x60 93 #define TT_TMISS 0x64 94 #define TT_DMISS 0x68 95 #define TT_DPROT 0x6c 96 #define TT_SPILL 0x80 97 #define TT_FILL 0xc0 98 #define TT_WOTHER (1 << 5) 99 #define TT_TRAP 0x100 100 #define TT_HTRAP 0x180 101 #endif 102 103 #define PSR_NEG_SHIFT 23 104 #define PSR_NEG (1 << PSR_NEG_SHIFT) 105 #define PSR_ZERO_SHIFT 22 106 #define PSR_ZERO (1 << PSR_ZERO_SHIFT) 107 #define PSR_OVF_SHIFT 21 108 #define PSR_OVF (1 << PSR_OVF_SHIFT) 109 #define PSR_CARRY_SHIFT 20 110 #define PSR_CARRY (1 << PSR_CARRY_SHIFT) 111 #define PSR_ICC (PSR_NEG|PSR_ZERO|PSR_OVF|PSR_CARRY) 112 #if !defined(TARGET_SPARC64) 113 #define PSR_EF (1<<12) 114 #define PSR_PIL 0xf00 115 #define PSR_S (1<<7) 116 #define PSR_PS (1<<6) 117 #define PSR_ET (1<<5) 118 #define PSR_CWP 0x1f 119 #endif 120 121 /* Trap base register */ 122 #define TBR_BASE_MASK 0xfffff000 123 124 #if defined(TARGET_SPARC64) 125 #define PS_TCT (1<<12) /* UA2007, impl.dep. trap on control transfer */ 126 #define PS_IG (1<<11) /* v9, zero on UA2007 */ 127 #define PS_MG (1<<10) /* v9, zero on UA2007 */ 128 #define PS_CLE (1<<9) /* UA2007 */ 129 #define PS_TLE (1<<8) /* UA2007 */ 130 #define PS_RMO (1<<7) 131 #define PS_RED (1<<5) /* v9, zero on UA2007 */ 132 #define PS_PEF (1<<4) /* enable fpu */ 133 #define PS_AM (1<<3) /* address mask */ 134 #define PS_PRIV (1<<2) 135 #define PS_IE (1<<1) 136 #define PS_AG (1<<0) /* v9, zero on UA2007 */ 137 138 #define FPRS_DL (1 << 0) 139 #define FPRS_DU (1 << 1) 140 #define FPRS_FEF (1 << 2) 141 142 #define HS_PRIV (1<<2) 143 #endif 144 145 /* Fcc */ 146 #define FSR_RD1 (1ULL << 31) 147 #define FSR_RD0 (1ULL << 30) 148 #define FSR_RD_MASK (FSR_RD1 | FSR_RD0) 149 #define FSR_RD_NEAREST 0 150 #define FSR_RD_ZERO FSR_RD0 151 #define FSR_RD_POS FSR_RD1 152 #define FSR_RD_NEG (FSR_RD1 | FSR_RD0) 153 154 #define FSR_NVM (1ULL << 27) 155 #define FSR_OFM (1ULL << 26) 156 #define FSR_UFM (1ULL << 25) 157 #define FSR_DZM (1ULL << 24) 158 #define FSR_NXM (1ULL << 23) 159 #define FSR_TEM_MASK (FSR_NVM | FSR_OFM | FSR_UFM | FSR_DZM | FSR_NXM) 160 #define FSR_TEM_SHIFT 23 161 162 #define FSR_NVA (1ULL << 9) 163 #define FSR_OFA (1ULL << 8) 164 #define FSR_UFA (1ULL << 7) 165 #define FSR_DZA (1ULL << 6) 166 #define FSR_NXA (1ULL << 5) 167 #define FSR_AEXC_MASK (FSR_NVA | FSR_OFA | FSR_UFA | FSR_DZA | FSR_NXA) 168 #define FSR_AEXC_SHIFT 5 169 170 #define FSR_NVC (1ULL << 4) 171 #define FSR_OFC (1ULL << 3) 172 #define FSR_UFC (1ULL << 2) 173 #define FSR_DZC (1ULL << 1) 174 #define FSR_NXC (1ULL << 0) 175 #define FSR_CEXC_MASK (FSR_NVC | FSR_OFC | FSR_UFC | FSR_DZC | FSR_NXC) 176 177 #define FSR_VER_SHIFT 17 178 #define FSR_VER_MASK (7 << FSR_VER_SHIFT) 179 180 #define FSR_FTT2 (1ULL << 16) 181 #define FSR_FTT1 (1ULL << 15) 182 #define FSR_FTT0 (1ULL << 14) 183 #define FSR_FTT_MASK (FSR_FTT2 | FSR_FTT1 | FSR_FTT0) 184 #define FSR_FTT_IEEE_EXCP (1ULL << 14) 185 #define FSR_FTT_UNIMPFPOP (3ULL << 14) 186 #define FSR_FTT_SEQ_ERROR (4ULL << 14) 187 #define FSR_FTT_INVAL_FPR (6ULL << 14) 188 189 #define FSR_QNE (1ULL << 13) 190 191 #define FSR_FCC0_SHIFT 10 192 #define FSR_FCC1_SHIFT 32 193 #define FSR_FCC2_SHIFT 34 194 #define FSR_FCC3_SHIFT 36 195 196 /* MMU */ 197 #define MMU_E (1<<0) 198 #define MMU_NF (1<<1) 199 200 #define PTE_ENTRYTYPE_MASK 3 201 #define PTE_ACCESS_MASK 0x1c 202 #define PTE_ACCESS_SHIFT 2 203 #define PTE_PPN_SHIFT 7 204 #define PTE_ADDR_MASK 0xffffff00 205 206 #define PG_ACCESSED_BIT 5 207 #define PG_MODIFIED_BIT 6 208 #define PG_CACHE_BIT 7 209 210 #define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT) 211 #define PG_MODIFIED_MASK (1 << PG_MODIFIED_BIT) 212 #define PG_CACHE_MASK (1 << PG_CACHE_BIT) 213 214 /* 3 <= NWINDOWS <= 32. */ 215 #define MIN_NWINDOWS 3 216 #define MAX_NWINDOWS 32 217 218 #ifdef TARGET_SPARC64 219 typedef struct trap_state { 220 uint64_t tpc; 221 uint64_t tnpc; 222 uint64_t tstate; 223 uint32_t tt; 224 } trap_state; 225 #endif 226 227 typedef struct sparc_def_t { 228 const char *name; 229 target_ulong iu_version; 230 uint32_t fpu_version; 231 uint32_t mmu_version; 232 uint32_t mmu_bm; 233 uint32_t mmu_ctpr_mask; 234 uint32_t mmu_cxr_mask; 235 uint32_t mmu_sfsr_mask; 236 uint32_t mmu_trcr_mask; 237 uint32_t mxcc_version; 238 uint32_t features; 239 uint32_t nwindows; 240 uint32_t maxtl; 241 } sparc_def_t; 242 243 #define FEATURE(X) CPU_FEATURE_BIT_##X, 244 enum { 245 #include "cpu-feature.h.inc" 246 }; 247 248 #undef FEATURE 249 #define FEATURE(X) CPU_FEATURE_##X = 1u << CPU_FEATURE_BIT_##X, 250 251 enum { 252 #include "cpu-feature.h.inc" 253 }; 254 255 #undef FEATURE 256 257 #ifndef TARGET_SPARC64 258 #define CPU_DEFAULT_FEATURES (CPU_FEATURE_MUL | CPU_FEATURE_DIV | \ 259 CPU_FEATURE_FSMULD) 260 #else 261 #define CPU_DEFAULT_FEATURES (CPU_FEATURE_MUL | CPU_FEATURE_DIV | \ 262 CPU_FEATURE_FSMULD | CPU_FEATURE_CASA | \ 263 CPU_FEATURE_VIS1 | CPU_FEATURE_VIS2) 264 enum { 265 mmu_us_12, // Ultrasparc < III (64 entry TLB) 266 mmu_us_3, // Ultrasparc III (512 entry TLB) 267 mmu_us_4, // Ultrasparc IV (several TLBs, 32 and 256MB pages) 268 mmu_sun4v, // T1, T2 269 }; 270 #endif 271 272 #define TTE_VALID_BIT (1ULL << 63) 273 #define TTE_NFO_BIT (1ULL << 60) 274 #define TTE_IE_BIT (1ULL << 59) 275 #define TTE_USED_BIT (1ULL << 41) 276 #define TTE_LOCKED_BIT (1ULL << 6) 277 #define TTE_SIDEEFFECT_BIT (1ULL << 3) 278 #define TTE_PRIV_BIT (1ULL << 2) 279 #define TTE_W_OK_BIT (1ULL << 1) 280 #define TTE_GLOBAL_BIT (1ULL << 0) 281 282 #define TTE_NFO_BIT_UA2005 (1ULL << 62) 283 #define TTE_USED_BIT_UA2005 (1ULL << 47) 284 #define TTE_LOCKED_BIT_UA2005 (1ULL << 61) 285 #define TTE_SIDEEFFECT_BIT_UA2005 (1ULL << 11) 286 #define TTE_PRIV_BIT_UA2005 (1ULL << 8) 287 #define TTE_W_OK_BIT_UA2005 (1ULL << 6) 288 289 #define TTE_IS_VALID(tte) ((tte) & TTE_VALID_BIT) 290 #define TTE_IS_NFO(tte) ((tte) & TTE_NFO_BIT) 291 #define TTE_IS_IE(tte) ((tte) & TTE_IE_BIT) 292 #define TTE_IS_USED(tte) ((tte) & TTE_USED_BIT) 293 #define TTE_IS_LOCKED(tte) ((tte) & TTE_LOCKED_BIT) 294 #define TTE_IS_SIDEEFFECT(tte) ((tte) & TTE_SIDEEFFECT_BIT) 295 #define TTE_IS_SIDEEFFECT_UA2005(tte) ((tte) & TTE_SIDEEFFECT_BIT_UA2005) 296 #define TTE_IS_PRIV(tte) ((tte) & TTE_PRIV_BIT) 297 #define TTE_IS_W_OK(tte) ((tte) & TTE_W_OK_BIT) 298 299 #define TTE_IS_NFO_UA2005(tte) ((tte) & TTE_NFO_BIT_UA2005) 300 #define TTE_IS_USED_UA2005(tte) ((tte) & TTE_USED_BIT_UA2005) 301 #define TTE_IS_LOCKED_UA2005(tte) ((tte) & TTE_LOCKED_BIT_UA2005) 302 #define TTE_IS_SIDEEFFECT_UA2005(tte) ((tte) & TTE_SIDEEFFECT_BIT_UA2005) 303 #define TTE_IS_PRIV_UA2005(tte) ((tte) & TTE_PRIV_BIT_UA2005) 304 #define TTE_IS_W_OK_UA2005(tte) ((tte) & TTE_W_OK_BIT_UA2005) 305 306 #define TTE_IS_GLOBAL(tte) ((tte) & TTE_GLOBAL_BIT) 307 308 #define TTE_SET_USED(tte) ((tte) |= TTE_USED_BIT) 309 #define TTE_SET_UNUSED(tte) ((tte) &= ~TTE_USED_BIT) 310 311 #define TTE_PGSIZE(tte) (((tte) >> 61) & 3ULL) 312 #define TTE_PGSIZE_UA2005(tte) ((tte) & 7ULL) 313 #define TTE_PA(tte) ((tte) & 0x1ffffffe000ULL) 314 315 /* UltraSPARC T1 specific */ 316 #define TLB_UST1_IS_REAL_BIT (1ULL << 9) /* Real translation entry */ 317 #define TLB_UST1_IS_SUN4V_BIT (1ULL << 10) /* sun4u/sun4v TTE format switch */ 318 319 #define SFSR_NF_BIT (1ULL << 24) /* JPS1 NoFault */ 320 #define SFSR_TM_BIT (1ULL << 15) /* JPS1 TLB Miss */ 321 #define SFSR_FT_VA_IMMU_BIT (1ULL << 13) /* USIIi VA out of range (IMMU) */ 322 #define SFSR_FT_VA_DMMU_BIT (1ULL << 12) /* USIIi VA out of range (DMMU) */ 323 #define SFSR_FT_NFO_BIT (1ULL << 11) /* NFO page access */ 324 #define SFSR_FT_ILL_BIT (1ULL << 10) /* illegal LDA/STA ASI */ 325 #define SFSR_FT_ATOMIC_BIT (1ULL << 9) /* atomic op on noncacheable area */ 326 #define SFSR_FT_NF_E_BIT (1ULL << 8) /* NF access on side effect area */ 327 #define SFSR_FT_PRIV_BIT (1ULL << 7) /* privilege violation */ 328 #define SFSR_PR_BIT (1ULL << 3) /* privilege mode */ 329 #define SFSR_WRITE_BIT (1ULL << 2) /* write access mode */ 330 #define SFSR_OW_BIT (1ULL << 1) /* status overwritten */ 331 #define SFSR_VALID_BIT (1ULL << 0) /* status valid */ 332 333 #define SFSR_ASI_SHIFT 16 /* 23:16 ASI value */ 334 #define SFSR_ASI_MASK (0xffULL << SFSR_ASI_SHIFT) 335 #define SFSR_CT_PRIMARY (0ULL << 4) /* 5:4 context type */ 336 #define SFSR_CT_SECONDARY (1ULL << 4) 337 #define SFSR_CT_NUCLEUS (2ULL << 4) 338 #define SFSR_CT_NOTRANS (3ULL << 4) 339 #define SFSR_CT_MASK (3ULL << 4) 340 341 /* Leon3 cache control */ 342 343 /* Cache control: emulate the behavior of cache control registers but without 344 any effect on the emulated */ 345 346 #define CACHE_STATE_MASK 0x3 347 #define CACHE_DISABLED 0x0 348 #define CACHE_FROZEN 0x1 349 #define CACHE_ENABLED 0x3 350 351 /* Cache Control register fields */ 352 353 #define CACHE_CTRL_IF (1 << 4) /* Instruction Cache Freeze on Interrupt */ 354 #define CACHE_CTRL_DF (1 << 5) /* Data Cache Freeze on Interrupt */ 355 #define CACHE_CTRL_DP (1 << 14) /* Data cache flush pending */ 356 #define CACHE_CTRL_IP (1 << 15) /* Instruction cache flush pending */ 357 #define CACHE_CTRL_IB (1 << 16) /* Instruction burst fetch */ 358 #define CACHE_CTRL_FI (1 << 21) /* Flush Instruction cache (Write only) */ 359 #define CACHE_CTRL_FD (1 << 22) /* Flush Data cache (Write only) */ 360 #define CACHE_CTRL_DS (1 << 23) /* Data cache snoop enable */ 361 362 #define CONVERT_BIT(X, SRC, DST) \ 363 (SRC > DST ? (X) / (SRC / DST) & (DST) : ((X) & SRC) * (DST / SRC)) 364 365 typedef struct SparcTLBEntry { 366 uint64_t tag; 367 uint64_t tte; 368 } SparcTLBEntry; 369 370 struct CPUTimer 371 { 372 const char *name; 373 uint32_t frequency; 374 uint32_t disabled; 375 uint64_t disabled_mask; 376 uint32_t npt; 377 uint64_t npt_mask; 378 int64_t clock_offset; 379 QEMUTimer *qtimer; 380 }; 381 382 typedef struct CPUTimer CPUTimer; 383 384 typedef struct CPUArchState CPUSPARCState; 385 #if defined(TARGET_SPARC64) 386 typedef union { 387 uint64_t mmuregs[16]; 388 struct { 389 uint64_t tsb_tag_target; 390 uint64_t mmu_primary_context; 391 uint64_t mmu_secondary_context; 392 uint64_t sfsr; 393 uint64_t sfar; 394 uint64_t tsb; 395 uint64_t tag_access; 396 uint64_t virtual_watchpoint; 397 uint64_t physical_watchpoint; 398 uint64_t sun4v_ctx_config[2]; 399 uint64_t sun4v_tsb_pointers[4]; 400 }; 401 } SparcV9MMU; 402 #endif 403 struct CPUArchState { 404 target_ulong gregs[8]; /* general registers */ 405 target_ulong *regwptr; /* pointer to current register window */ 406 target_ulong pc; /* program counter */ 407 target_ulong npc; /* next program counter */ 408 target_ulong y; /* multiply/divide register */ 409 410 /* 411 * Bit 31 is for icc, bit 63 for xcc. 412 * Other bits are garbage. 413 */ 414 target_long cc_N; 415 target_long cc_V; 416 417 /* 418 * Z is represented as == 0; any non-zero value is !Z. 419 * For sparc64, the high 32-bits of icc.Z are garbage. 420 */ 421 target_ulong icc_Z; 422 #ifdef TARGET_SPARC64 423 target_ulong xcc_Z; 424 #endif 425 426 /* 427 * For sparc32, icc.C is boolean. 428 * For sparc64, xcc.C is boolean; 429 * icc.C is bit 32 with other bits garbage. 430 */ 431 target_ulong icc_C; 432 #ifdef TARGET_SPARC64 433 target_ulong xcc_C; 434 #endif 435 436 target_ulong cond; /* conditional branch result (XXX: save it in a 437 temporary register when possible) */ 438 439 /* FPU State Register, in parts */ 440 uint32_t fsr; /* rm, tem, aexc */ 441 uint32_t fsr_cexc_ftt; /* cexc, ftt */ 442 uint32_t fcc[TARGET_FCCREGS]; /* fcc* */ 443 444 #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) 445 /* 446 * Single-element FPU fault queue, with address and insn, 447 * packaged into the double-word with which it is stored. 448 */ 449 uint32_t fsr_qne; /* qne */ 450 union { 451 uint64_t d; 452 struct { 453 #if HOST_BIG_ENDIAN 454 uint32_t addr; 455 uint32_t insn; 456 #else 457 uint32_t insn; 458 uint32_t addr; 459 #endif 460 } s; 461 } fq; 462 #endif 463 464 CPU_DoubleU fpr[TARGET_DPREGS]; /* floating point registers */ 465 uint32_t cwp; /* index of current register window (extracted 466 from PSR) */ 467 #if !defined(TARGET_SPARC64) || defined(TARGET_ABI32) 468 uint32_t wim; /* window invalid mask */ 469 #endif 470 target_ulong tbr; /* trap base register */ 471 #if !defined(TARGET_SPARC64) 472 int psrs; /* supervisor mode (extracted from PSR) */ 473 int psrps; /* previous supervisor mode */ 474 int psret; /* enable traps */ 475 #endif 476 uint32_t psrpil; /* interrupt blocking level */ 477 uint32_t pil_in; /* incoming interrupt level bitmap */ 478 #if !defined(TARGET_SPARC64) 479 int psref; /* enable fpu */ 480 #endif 481 int interrupt_index; 482 /* NOTE: we allow 8 more registers to handle wrapping */ 483 target_ulong regbase[MAX_NWINDOWS * 16 + 8]; 484 485 /* Fields up to this point are cleared by a CPU reset */ 486 struct {} end_reset_fields; 487 488 /* Fields from here on are preserved across CPU reset. */ 489 target_ulong version; 490 uint32_t nwindows; 491 492 /* MMU regs */ 493 #if defined(TARGET_SPARC64) 494 uint64_t lsu; 495 #define DMMU_E 0x8 496 #define IMMU_E 0x4 497 SparcV9MMU immu; 498 SparcV9MMU dmmu; 499 SparcTLBEntry itlb[64]; 500 SparcTLBEntry dtlb[64]; 501 uint32_t mmu_version; 502 #else 503 uint32_t mmuregs[32]; 504 uint64_t mxccdata[4]; 505 uint64_t mxccregs[8]; 506 uint32_t mmubpctrv, mmubpctrc, mmubpctrs; 507 uint64_t mmubpaction; 508 uint64_t mmubpregs[4]; 509 uint64_t prom_addr; 510 #endif 511 float_status fp_status; 512 #if defined(TARGET_SPARC64) 513 #define MAXTL_MAX 8 514 #define MAXTL_MASK (MAXTL_MAX - 1) 515 trap_state ts[MAXTL_MAX]; 516 uint32_t asi; 517 uint32_t pstate; 518 uint32_t tl; 519 uint32_t maxtl; 520 uint32_t cansave, canrestore, otherwin, wstate, cleanwin; 521 uint64_t agregs[8]; /* alternate general registers */ 522 uint64_t bgregs[8]; /* backup for normal global registers */ 523 uint64_t igregs[8]; /* interrupt general registers */ 524 uint64_t mgregs[8]; /* mmu general registers */ 525 uint64_t glregs[8 * MAXTL_MAX]; 526 uint32_t fprs; 527 uint64_t tick_cmpr, stick_cmpr; 528 CPUTimer *tick, *stick; 529 #define TICK_NPT_MASK 0x8000000000000000ULL 530 #define TICK_INT_DIS 0x8000000000000000ULL 531 uint64_t gsr; 532 uint32_t gl; // UA2005 533 /* UA 2005 hyperprivileged registers */ 534 uint64_t hpstate, htstate[MAXTL_MAX], hintp, htba, hver, hstick_cmpr, ssr; 535 uint64_t scratch[8]; 536 CPUTimer *hstick; // UA 2005 537 /* Interrupt vector registers */ 538 uint64_t ivec_status; 539 uint64_t ivec_data[3]; 540 uint32_t softint; 541 #define SOFTINT_TIMER 1 542 #define SOFTINT_STIMER (1 << 16) 543 #define SOFTINT_INTRMASK (0xFFFE) 544 #define SOFTINT_REG_MASK (SOFTINT_STIMER|SOFTINT_INTRMASK|SOFTINT_TIMER) 545 #endif 546 sparc_def_t def; 547 548 /* Leon3 */ 549 DeviceState *irq_manager; 550 void (*qemu_irq_ack)(CPUSPARCState *env, int intno); 551 uint32_t cache_control; 552 }; 553 554 /** 555 * SPARCCPU: 556 * @env: #CPUSPARCState 557 * 558 * A SPARC CPU. 559 */ 560 struct ArchCPU { 561 CPUState parent_obj; 562 563 CPUSPARCState env; 564 }; 565 566 /** 567 * SPARCCPUClass: 568 * @parent_realize: The parent class' realize handler. 569 * @parent_phases: The parent class' reset phase handlers. 570 * 571 * A SPARC CPU model. 572 */ 573 struct SPARCCPUClass { 574 CPUClass parent_class; 575 576 DeviceRealize parent_realize; 577 ResettablePhases parent_phases; 578 const sparc_def_t *cpu_def; 579 }; 580 581 #ifndef CONFIG_USER_ONLY 582 extern const VMStateDescription vmstate_sparc_cpu; 583 584 hwaddr sparc_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr); 585 #endif 586 587 void sparc_cpu_do_interrupt(CPUState *cpu); 588 int sparc_cpu_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg); 589 int sparc_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg); 590 G_NORETURN void sparc_cpu_do_unaligned_access(CPUState *cpu, vaddr addr, 591 MMUAccessType access_type, 592 int mmu_idx, 593 uintptr_t retaddr); 594 G_NORETURN void cpu_raise_exception_ra(CPUSPARCState *, int, uintptr_t); 595 596 /* cpu_init.c */ 597 void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu); 598 /* mmu_helper.c */ 599 bool sparc_cpu_tlb_fill(CPUState *cs, vaddr address, int size, 600 MMUAccessType access_type, int mmu_idx, 601 bool probe, uintptr_t retaddr); 602 target_ulong mmu_probe(CPUSPARCState *env, target_ulong address, int mmulev); 603 void dump_mmu(CPUSPARCState *env); 604 605 #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) 606 int sparc_cpu_memory_rw_debug(CPUState *cpu, vaddr addr, 607 uint8_t *buf, size_t len, bool is_write); 608 #endif 609 610 /* translate.c */ 611 void sparc_tcg_init(void); 612 void sparc_translate_code(CPUState *cs, TranslationBlock *tb, 613 int *max_insns, vaddr pc, void *host_pc); 614 615 /* fop_helper.c */ 616 target_ulong cpu_get_fsr(CPUSPARCState *); 617 void cpu_put_fsr(CPUSPARCState *, target_ulong); 618 619 /* win_helper.c */ 620 target_ulong cpu_get_psr(CPUSPARCState *env1); 621 void cpu_put_psr(CPUSPARCState *env1, target_ulong val); 622 void cpu_put_psr_icc(CPUSPARCState *env1, target_ulong val); 623 void cpu_put_psr_raw(CPUSPARCState *env1, target_ulong val); 624 #ifdef TARGET_SPARC64 625 void cpu_change_pstate(CPUSPARCState *env1, uint32_t new_pstate); 626 void cpu_gl_switch_gregs(CPUSPARCState *env, uint32_t new_gl); 627 #endif 628 int cpu_cwp_inc(CPUSPARCState *env1, int cwp); 629 int cpu_cwp_dec(CPUSPARCState *env1, int cwp); 630 void cpu_set_cwp(CPUSPARCState *env1, int new_cwp); 631 632 /* sun4m.c, sun4u.c */ 633 void cpu_check_irqs(CPUSPARCState *env); 634 635 #if defined (TARGET_SPARC64) 636 637 static inline int compare_masked(uint64_t x, uint64_t y, uint64_t mask) 638 { 639 return (x & mask) == (y & mask); 640 } 641 642 #define MMU_CONTEXT_BITS 13 643 #define MMU_CONTEXT_MASK ((1 << MMU_CONTEXT_BITS) - 1) 644 645 static inline int tlb_compare_context(const SparcTLBEntry *tlb, 646 uint64_t context) 647 { 648 return compare_masked(context, tlb->tag, MMU_CONTEXT_MASK); 649 } 650 651 #endif 652 653 /* cpu-exec.c */ 654 #if !defined(CONFIG_USER_ONLY) 655 void sparc_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr, 656 vaddr addr, unsigned size, 657 MMUAccessType access_type, 658 int mmu_idx, MemTxAttrs attrs, 659 MemTxResult response, uintptr_t retaddr); 660 #if defined(TARGET_SPARC64) 661 hwaddr cpu_get_phys_page_nofault(CPUSPARCState *env, target_ulong addr, 662 int mmu_idx); 663 #endif 664 #endif 665 666 #define CPU_RESOLVING_TYPE TYPE_SPARC_CPU 667 668 /* MMU modes definitions */ 669 #if defined (TARGET_SPARC64) 670 #define MMU_USER_IDX 0 671 #define MMU_USER_SECONDARY_IDX 1 672 #define MMU_KERNEL_IDX 2 673 #define MMU_KERNEL_SECONDARY_IDX 3 674 #define MMU_NUCLEUS_IDX 4 675 #define MMU_PHYS_IDX 5 676 #else 677 #define MMU_USER_IDX 0 678 #define MMU_KERNEL_IDX 1 679 #define MMU_PHYS_IDX 2 680 #endif 681 682 #if defined (TARGET_SPARC64) 683 static inline int cpu_has_hypervisor(CPUSPARCState *env1) 684 { 685 return env1->def.features & CPU_FEATURE_HYPV; 686 } 687 688 static inline int cpu_hypervisor_mode(CPUSPARCState *env1) 689 { 690 return cpu_has_hypervisor(env1) && (env1->hpstate & HS_PRIV); 691 } 692 693 static inline int cpu_supervisor_mode(CPUSPARCState *env1) 694 { 695 return env1->pstate & PS_PRIV; 696 } 697 #else 698 static inline int cpu_supervisor_mode(CPUSPARCState *env1) 699 { 700 return env1->psrs; 701 } 702 #endif 703 704 static inline int cpu_interrupts_enabled(CPUSPARCState *env1) 705 { 706 #if !defined (TARGET_SPARC64) 707 if (env1->psret != 0) 708 return 1; 709 #else 710 if ((env1->pstate & PS_IE) && !cpu_hypervisor_mode(env1)) { 711 return 1; 712 } 713 #endif 714 715 return 0; 716 } 717 718 static inline int cpu_pil_allowed(CPUSPARCState *env1, int pil) 719 { 720 #if !defined(TARGET_SPARC64) 721 /* level 15 is non-maskable on sparc v8 */ 722 return pil == 15 || pil > env1->psrpil; 723 #else 724 return pil > env1->psrpil; 725 #endif 726 } 727 728 #ifdef TARGET_SPARC64 729 /* sun4u.c */ 730 void cpu_tick_set_count(CPUTimer *timer, uint64_t count); 731 uint64_t cpu_tick_get_count(CPUTimer *timer); 732 void cpu_tick_set_limit(CPUTimer *timer, uint64_t limit); 733 trap_state* cpu_tsptr(CPUSPARCState* env); 734 #endif 735 736 #define TB_FLAG_MMU_MASK 7 737 #define TB_FLAG_FPU_ENABLED (1 << 4) 738 #define TB_FLAG_AM_ENABLED (1 << 5) 739 #define TB_FLAG_SUPER (1 << 6) 740 #define TB_FLAG_HYPER (1 << 7) 741 #define TB_FLAG_FSR_QNE (1 << 8) 742 #define TB_FLAG_ASI_SHIFT 24 743 744 void cpu_get_tb_cpu_state(CPUSPARCState *env, vaddr *pc, 745 uint64_t *cs_base, uint32_t *pflags); 746 747 static inline bool tb_fpu_enabled(int tb_flags) 748 { 749 #if defined(CONFIG_USER_ONLY) 750 return true; 751 #else 752 return tb_flags & TB_FLAG_FPU_ENABLED; 753 #endif 754 } 755 756 static inline bool tb_am_enabled(int tb_flags) 757 { 758 #ifndef TARGET_SPARC64 759 return false; 760 #else 761 return tb_flags & TB_FLAG_AM_ENABLED; 762 #endif 763 } 764 765 #ifdef TARGET_SPARC64 766 /* win_helper.c */ 767 target_ulong cpu_get_ccr(CPUSPARCState *env1); 768 void cpu_put_ccr(CPUSPARCState *env1, target_ulong val); 769 target_ulong cpu_get_cwp64(CPUSPARCState *env1); 770 void cpu_put_cwp64(CPUSPARCState *env1, int cwp); 771 772 static inline uint64_t sparc64_tstate(CPUSPARCState *env) 773 { 774 uint64_t tstate = (cpu_get_ccr(env) << 32) | 775 ((env->asi & 0xff) << 24) | ((env->pstate & 0xf3f) << 8) | 776 cpu_get_cwp64(env); 777 778 if (env->def.features & CPU_FEATURE_GL) { 779 tstate |= (env->gl & 7ULL) << 40; 780 } 781 return tstate; 782 } 783 #endif 784 785 #endif 786