1 #ifndef SPARC_CPU_H 2 #define SPARC_CPU_H 3 4 #include "qemu-common.h" 5 #include "qemu/bswap.h" 6 #include "cpu-qom.h" 7 8 #define ALIGNED_ONLY 9 10 #if !defined(TARGET_SPARC64) 11 #define TARGET_LONG_BITS 32 12 #define TARGET_DPREGS 16 13 #define TARGET_PAGE_BITS 12 /* 4k */ 14 #define TARGET_PHYS_ADDR_SPACE_BITS 36 15 #define TARGET_VIRT_ADDR_SPACE_BITS 32 16 #else 17 #define TARGET_LONG_BITS 64 18 #define TARGET_DPREGS 32 19 #define TARGET_PAGE_BITS 13 /* 8k */ 20 #define TARGET_PHYS_ADDR_SPACE_BITS 41 21 # ifdef TARGET_ABI32 22 # define TARGET_VIRT_ADDR_SPACE_BITS 32 23 # else 24 # define TARGET_VIRT_ADDR_SPACE_BITS 44 25 # endif 26 #endif 27 28 #define CPUArchState struct CPUSPARCState 29 30 #include "exec/cpu-defs.h" 31 32 /*#define EXCP_INTERRUPT 0x100*/ 33 34 /* trap definitions */ 35 #ifndef TARGET_SPARC64 36 #define TT_TFAULT 0x01 37 #define TT_ILL_INSN 0x02 38 #define TT_PRIV_INSN 0x03 39 #define TT_NFPU_INSN 0x04 40 #define TT_WIN_OVF 0x05 41 #define TT_WIN_UNF 0x06 42 #define TT_UNALIGNED 0x07 43 #define TT_FP_EXCP 0x08 44 #define TT_DFAULT 0x09 45 #define TT_TOVF 0x0a 46 #define TT_EXTINT 0x10 47 #define TT_CODE_ACCESS 0x21 48 #define TT_UNIMP_FLUSH 0x25 49 #define TT_DATA_ACCESS 0x29 50 #define TT_DIV_ZERO 0x2a 51 #define TT_NCP_INSN 0x24 52 #define TT_TRAP 0x80 53 #else 54 #define TT_POWER_ON_RESET 0x01 55 #define TT_TFAULT 0x08 56 #define TT_CODE_ACCESS 0x0a 57 #define TT_ILL_INSN 0x10 58 #define TT_UNIMP_FLUSH TT_ILL_INSN 59 #define TT_PRIV_INSN 0x11 60 #define TT_NFPU_INSN 0x20 61 #define TT_FP_EXCP 0x21 62 #define TT_TOVF 0x23 63 #define TT_CLRWIN 0x24 64 #define TT_DIV_ZERO 0x28 65 #define TT_DFAULT 0x30 66 #define TT_DATA_ACCESS 0x32 67 #define TT_UNALIGNED 0x34 68 #define TT_PRIV_ACT 0x37 69 #define TT_INSN_REAL_TRANSLATION_MISS 0x3e 70 #define TT_DATA_REAL_TRANSLATION_MISS 0x3f 71 #define TT_EXTINT 0x40 72 #define TT_IVEC 0x60 73 #define TT_TMISS 0x64 74 #define TT_DMISS 0x68 75 #define TT_DPROT 0x6c 76 #define TT_SPILL 0x80 77 #define TT_FILL 0xc0 78 #define TT_WOTHER (1 << 5) 79 #define TT_TRAP 0x100 80 #define TT_HTRAP 0x180 81 #endif 82 83 #define PSR_NEG_SHIFT 23 84 #define PSR_NEG (1 << PSR_NEG_SHIFT) 85 #define PSR_ZERO_SHIFT 22 86 #define PSR_ZERO (1 << PSR_ZERO_SHIFT) 87 #define PSR_OVF_SHIFT 21 88 #define PSR_OVF (1 << PSR_OVF_SHIFT) 89 #define PSR_CARRY_SHIFT 20 90 #define PSR_CARRY (1 << PSR_CARRY_SHIFT) 91 #define PSR_ICC (PSR_NEG|PSR_ZERO|PSR_OVF|PSR_CARRY) 92 #if !defined(TARGET_SPARC64) 93 #define PSR_EF (1<<12) 94 #define PSR_PIL 0xf00 95 #define PSR_S (1<<7) 96 #define PSR_PS (1<<6) 97 #define PSR_ET (1<<5) 98 #define PSR_CWP 0x1f 99 #endif 100 101 #define CC_SRC (env->cc_src) 102 #define CC_SRC2 (env->cc_src2) 103 #define CC_DST (env->cc_dst) 104 #define CC_OP (env->cc_op) 105 106 /* Even though lazy evaluation of CPU condition codes tends to be less 107 * important on RISC systems where condition codes are only updated 108 * when explicitly requested, SPARC uses it to update 32-bit and 64-bit 109 * condition codes. 110 */ 111 enum { 112 CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */ 113 CC_OP_FLAGS, /* all cc are back in status register */ 114 CC_OP_DIV, /* modify N, Z and V, C = 0*/ 115 CC_OP_ADD, /* modify all flags, CC_DST = res, CC_SRC = src1 */ 116 CC_OP_ADDX, /* modify all flags, CC_DST = res, CC_SRC = src1 */ 117 CC_OP_TADD, /* modify all flags, CC_DST = res, CC_SRC = src1 */ 118 CC_OP_TADDTV, /* modify all flags except V, CC_DST = res, CC_SRC = src1 */ 119 CC_OP_SUB, /* modify all flags, CC_DST = res, CC_SRC = src1 */ 120 CC_OP_SUBX, /* modify all flags, CC_DST = res, CC_SRC = src1 */ 121 CC_OP_TSUB, /* modify all flags, CC_DST = res, CC_SRC = src1 */ 122 CC_OP_TSUBTV, /* modify all flags except V, CC_DST = res, CC_SRC = src1 */ 123 CC_OP_LOGIC, /* modify N and Z, C = V = 0, CC_DST = res */ 124 CC_OP_NB, 125 }; 126 127 /* Trap base register */ 128 #define TBR_BASE_MASK 0xfffff000 129 130 #if defined(TARGET_SPARC64) 131 #define PS_TCT (1<<12) /* UA2007, impl.dep. trap on control transfer */ 132 #define PS_IG (1<<11) /* v9, zero on UA2007 */ 133 #define PS_MG (1<<10) /* v9, zero on UA2007 */ 134 #define PS_CLE (1<<9) /* UA2007 */ 135 #define PS_TLE (1<<8) /* UA2007 */ 136 #define PS_RMO (1<<7) 137 #define PS_RED (1<<5) /* v9, zero on UA2007 */ 138 #define PS_PEF (1<<4) /* enable fpu */ 139 #define PS_AM (1<<3) /* address mask */ 140 #define PS_PRIV (1<<2) 141 #define PS_IE (1<<1) 142 #define PS_AG (1<<0) /* v9, zero on UA2007 */ 143 144 #define FPRS_FEF (1<<2) 145 146 #define HS_PRIV (1<<2) 147 #endif 148 149 /* Fcc */ 150 #define FSR_RD1 (1ULL << 31) 151 #define FSR_RD0 (1ULL << 30) 152 #define FSR_RD_MASK (FSR_RD1 | FSR_RD0) 153 #define FSR_RD_NEAREST 0 154 #define FSR_RD_ZERO FSR_RD0 155 #define FSR_RD_POS FSR_RD1 156 #define FSR_RD_NEG (FSR_RD1 | FSR_RD0) 157 158 #define FSR_NVM (1ULL << 27) 159 #define FSR_OFM (1ULL << 26) 160 #define FSR_UFM (1ULL << 25) 161 #define FSR_DZM (1ULL << 24) 162 #define FSR_NXM (1ULL << 23) 163 #define FSR_TEM_MASK (FSR_NVM | FSR_OFM | FSR_UFM | FSR_DZM | FSR_NXM) 164 165 #define FSR_NVA (1ULL << 9) 166 #define FSR_OFA (1ULL << 8) 167 #define FSR_UFA (1ULL << 7) 168 #define FSR_DZA (1ULL << 6) 169 #define FSR_NXA (1ULL << 5) 170 #define FSR_AEXC_MASK (FSR_NVA | FSR_OFA | FSR_UFA | FSR_DZA | FSR_NXA) 171 172 #define FSR_NVC (1ULL << 4) 173 #define FSR_OFC (1ULL << 3) 174 #define FSR_UFC (1ULL << 2) 175 #define FSR_DZC (1ULL << 1) 176 #define FSR_NXC (1ULL << 0) 177 #define FSR_CEXC_MASK (FSR_NVC | FSR_OFC | FSR_UFC | FSR_DZC | FSR_NXC) 178 179 #define FSR_FTT2 (1ULL << 16) 180 #define FSR_FTT1 (1ULL << 15) 181 #define FSR_FTT0 (1ULL << 14) 182 //gcc warns about constant overflow for ~FSR_FTT_MASK 183 //#define FSR_FTT_MASK (FSR_FTT2 | FSR_FTT1 | FSR_FTT0) 184 #ifdef TARGET_SPARC64 185 #define FSR_FTT_NMASK 0xfffffffffffe3fffULL 186 #define FSR_FTT_CEXC_NMASK 0xfffffffffffe3fe0ULL 187 #define FSR_LDFSR_OLDMASK 0x0000003f000fc000ULL 188 #define FSR_LDXFSR_MASK 0x0000003fcfc00fffULL 189 #define FSR_LDXFSR_OLDMASK 0x00000000000fc000ULL 190 #else 191 #define FSR_FTT_NMASK 0xfffe3fffULL 192 #define FSR_FTT_CEXC_NMASK 0xfffe3fe0ULL 193 #define FSR_LDFSR_OLDMASK 0x000fc000ULL 194 #endif 195 #define FSR_LDFSR_MASK 0xcfc00fffULL 196 #define FSR_FTT_IEEE_EXCP (1ULL << 14) 197 #define FSR_FTT_UNIMPFPOP (3ULL << 14) 198 #define FSR_FTT_SEQ_ERROR (4ULL << 14) 199 #define FSR_FTT_INVAL_FPR (6ULL << 14) 200 201 #define FSR_FCC1_SHIFT 11 202 #define FSR_FCC1 (1ULL << FSR_FCC1_SHIFT) 203 #define FSR_FCC0_SHIFT 10 204 #define FSR_FCC0 (1ULL << FSR_FCC0_SHIFT) 205 206 /* MMU */ 207 #define MMU_E (1<<0) 208 #define MMU_NF (1<<1) 209 210 #define PTE_ENTRYTYPE_MASK 3 211 #define PTE_ACCESS_MASK 0x1c 212 #define PTE_ACCESS_SHIFT 2 213 #define PTE_PPN_SHIFT 7 214 #define PTE_ADDR_MASK 0xffffff00 215 216 #define PG_ACCESSED_BIT 5 217 #define PG_MODIFIED_BIT 6 218 #define PG_CACHE_BIT 7 219 220 #define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT) 221 #define PG_MODIFIED_MASK (1 << PG_MODIFIED_BIT) 222 #define PG_CACHE_MASK (1 << PG_CACHE_BIT) 223 224 /* 3 <= NWINDOWS <= 32. */ 225 #define MIN_NWINDOWS 3 226 #define MAX_NWINDOWS 32 227 228 #if !defined(TARGET_SPARC64) 229 #define NB_MMU_MODES 3 230 #else 231 #define NB_MMU_MODES 6 232 typedef struct trap_state { 233 uint64_t tpc; 234 uint64_t tnpc; 235 uint64_t tstate; 236 uint32_t tt; 237 } trap_state; 238 #endif 239 #define TARGET_INSN_START_EXTRA_WORDS 1 240 241 struct sparc_def_t { 242 const char *name; 243 target_ulong iu_version; 244 uint32_t fpu_version; 245 uint32_t mmu_version; 246 uint32_t mmu_bm; 247 uint32_t mmu_ctpr_mask; 248 uint32_t mmu_cxr_mask; 249 uint32_t mmu_sfsr_mask; 250 uint32_t mmu_trcr_mask; 251 uint32_t mxcc_version; 252 uint32_t features; 253 uint32_t nwindows; 254 uint32_t maxtl; 255 }; 256 257 #define CPU_FEATURE_FLOAT (1 << 0) 258 #define CPU_FEATURE_FLOAT128 (1 << 1) 259 #define CPU_FEATURE_SWAP (1 << 2) 260 #define CPU_FEATURE_MUL (1 << 3) 261 #define CPU_FEATURE_DIV (1 << 4) 262 #define CPU_FEATURE_FLUSH (1 << 5) 263 #define CPU_FEATURE_FSQRT (1 << 6) 264 #define CPU_FEATURE_FMUL (1 << 7) 265 #define CPU_FEATURE_VIS1 (1 << 8) 266 #define CPU_FEATURE_VIS2 (1 << 9) 267 #define CPU_FEATURE_FSMULD (1 << 10) 268 #define CPU_FEATURE_HYPV (1 << 11) 269 #define CPU_FEATURE_CMT (1 << 12) 270 #define CPU_FEATURE_GL (1 << 13) 271 #define CPU_FEATURE_TA0_SHUTDOWN (1 << 14) /* Shutdown on "ta 0x0" */ 272 #define CPU_FEATURE_ASR17 (1 << 15) 273 #define CPU_FEATURE_CACHE_CTRL (1 << 16) 274 #define CPU_FEATURE_POWERDOWN (1 << 17) 275 #define CPU_FEATURE_CASA (1 << 18) 276 277 #ifndef TARGET_SPARC64 278 #define CPU_DEFAULT_FEATURES (CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | \ 279 CPU_FEATURE_MUL | CPU_FEATURE_DIV | \ 280 CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT | \ 281 CPU_FEATURE_FMUL | CPU_FEATURE_FSMULD) 282 #else 283 #define CPU_DEFAULT_FEATURES (CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | \ 284 CPU_FEATURE_MUL | CPU_FEATURE_DIV | \ 285 CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT | \ 286 CPU_FEATURE_FMUL | CPU_FEATURE_VIS1 | \ 287 CPU_FEATURE_VIS2 | CPU_FEATURE_FSMULD | \ 288 CPU_FEATURE_CASA) 289 enum { 290 mmu_us_12, // Ultrasparc < III (64 entry TLB) 291 mmu_us_3, // Ultrasparc III (512 entry TLB) 292 mmu_us_4, // Ultrasparc IV (several TLBs, 32 and 256MB pages) 293 mmu_sun4v, // T1, T2 294 }; 295 #endif 296 297 #define TTE_VALID_BIT (1ULL << 63) 298 #define TTE_NFO_BIT (1ULL << 60) 299 #define TTE_USED_BIT (1ULL << 41) 300 #define TTE_LOCKED_BIT (1ULL << 6) 301 #define TTE_SIDEEFFECT_BIT (1ULL << 3) 302 #define TTE_PRIV_BIT (1ULL << 2) 303 #define TTE_W_OK_BIT (1ULL << 1) 304 #define TTE_GLOBAL_BIT (1ULL << 0) 305 306 #define TTE_NFO_BIT_UA2005 (1ULL << 62) 307 #define TTE_USED_BIT_UA2005 (1ULL << 47) 308 #define TTE_LOCKED_BIT_UA2005 (1ULL << 61) 309 #define TTE_SIDEEFFECT_BIT_UA2005 (1ULL << 11) 310 #define TTE_PRIV_BIT_UA2005 (1ULL << 8) 311 #define TTE_W_OK_BIT_UA2005 (1ULL << 6) 312 313 #define TTE_IS_VALID(tte) ((tte) & TTE_VALID_BIT) 314 #define TTE_IS_NFO(tte) ((tte) & TTE_NFO_BIT) 315 #define TTE_IS_USED(tte) ((tte) & TTE_USED_BIT) 316 #define TTE_IS_LOCKED(tte) ((tte) & TTE_LOCKED_BIT) 317 #define TTE_IS_SIDEEFFECT(tte) ((tte) & TTE_SIDEEFFECT_BIT) 318 #define TTE_IS_SIDEEFFECT_UA2005(tte) ((tte) & TTE_SIDEEFFECT_BIT_UA2005) 319 #define TTE_IS_PRIV(tte) ((tte) & TTE_PRIV_BIT) 320 #define TTE_IS_W_OK(tte) ((tte) & TTE_W_OK_BIT) 321 322 #define TTE_IS_NFO_UA2005(tte) ((tte) & TTE_NFO_BIT_UA2005) 323 #define TTE_IS_USED_UA2005(tte) ((tte) & TTE_USED_BIT_UA2005) 324 #define TTE_IS_LOCKED_UA2005(tte) ((tte) & TTE_LOCKED_BIT_UA2005) 325 #define TTE_IS_SIDEEFFECT_UA2005(tte) ((tte) & TTE_SIDEEFFECT_BIT_UA2005) 326 #define TTE_IS_PRIV_UA2005(tte) ((tte) & TTE_PRIV_BIT_UA2005) 327 #define TTE_IS_W_OK_UA2005(tte) ((tte) & TTE_W_OK_BIT_UA2005) 328 329 #define TTE_IS_GLOBAL(tte) ((tte) & TTE_GLOBAL_BIT) 330 331 #define TTE_SET_USED(tte) ((tte) |= TTE_USED_BIT) 332 #define TTE_SET_UNUSED(tte) ((tte) &= ~TTE_USED_BIT) 333 334 #define TTE_PGSIZE(tte) (((tte) >> 61) & 3ULL) 335 #define TTE_PGSIZE_UA2005(tte) ((tte) & 7ULL) 336 #define TTE_PA(tte) ((tte) & 0x1ffffffe000ULL) 337 338 /* UltraSPARC T1 specific */ 339 #define TLB_UST1_IS_REAL_BIT (1ULL << 9) /* Real translation entry */ 340 #define TLB_UST1_IS_SUN4V_BIT (1ULL << 10) /* sun4u/sun4v TTE format switch */ 341 342 #define SFSR_NF_BIT (1ULL << 24) /* JPS1 NoFault */ 343 #define SFSR_TM_BIT (1ULL << 15) /* JPS1 TLB Miss */ 344 #define SFSR_FT_VA_IMMU_BIT (1ULL << 13) /* USIIi VA out of range (IMMU) */ 345 #define SFSR_FT_VA_DMMU_BIT (1ULL << 12) /* USIIi VA out of range (DMMU) */ 346 #define SFSR_FT_NFO_BIT (1ULL << 11) /* NFO page access */ 347 #define SFSR_FT_ILL_BIT (1ULL << 10) /* illegal LDA/STA ASI */ 348 #define SFSR_FT_ATOMIC_BIT (1ULL << 9) /* atomic op on noncacheable area */ 349 #define SFSR_FT_NF_E_BIT (1ULL << 8) /* NF access on side effect area */ 350 #define SFSR_FT_PRIV_BIT (1ULL << 7) /* privilege violation */ 351 #define SFSR_PR_BIT (1ULL << 3) /* privilege mode */ 352 #define SFSR_WRITE_BIT (1ULL << 2) /* write access mode */ 353 #define SFSR_OW_BIT (1ULL << 1) /* status overwritten */ 354 #define SFSR_VALID_BIT (1ULL << 0) /* status valid */ 355 356 #define SFSR_ASI_SHIFT 16 /* 23:16 ASI value */ 357 #define SFSR_ASI_MASK (0xffULL << SFSR_ASI_SHIFT) 358 #define SFSR_CT_PRIMARY (0ULL << 4) /* 5:4 context type */ 359 #define SFSR_CT_SECONDARY (1ULL << 4) 360 #define SFSR_CT_NUCLEUS (2ULL << 4) 361 #define SFSR_CT_NOTRANS (3ULL << 4) 362 #define SFSR_CT_MASK (3ULL << 4) 363 364 /* Leon3 cache control */ 365 366 /* Cache control: emulate the behavior of cache control registers but without 367 any effect on the emulated */ 368 369 #define CACHE_STATE_MASK 0x3 370 #define CACHE_DISABLED 0x0 371 #define CACHE_FROZEN 0x1 372 #define CACHE_ENABLED 0x3 373 374 /* Cache Control register fields */ 375 376 #define CACHE_CTRL_IF (1 << 4) /* Instruction Cache Freeze on Interrupt */ 377 #define CACHE_CTRL_DF (1 << 5) /* Data Cache Freeze on Interrupt */ 378 #define CACHE_CTRL_DP (1 << 14) /* Data cache flush pending */ 379 #define CACHE_CTRL_IP (1 << 15) /* Instruction cache flush pending */ 380 #define CACHE_CTRL_IB (1 << 16) /* Instruction burst fetch */ 381 #define CACHE_CTRL_FI (1 << 21) /* Flush Instruction cache (Write only) */ 382 #define CACHE_CTRL_FD (1 << 22) /* Flush Data cache (Write only) */ 383 #define CACHE_CTRL_DS (1 << 23) /* Data cache snoop enable */ 384 385 #define CONVERT_BIT(X, SRC, DST) \ 386 (SRC > DST ? (X) / (SRC / DST) & (DST) : ((X) & SRC) * (DST / SRC)) 387 388 typedef struct SparcTLBEntry { 389 uint64_t tag; 390 uint64_t tte; 391 } SparcTLBEntry; 392 393 struct CPUTimer 394 { 395 const char *name; 396 uint32_t frequency; 397 uint32_t disabled; 398 uint64_t disabled_mask; 399 uint32_t npt; 400 uint64_t npt_mask; 401 int64_t clock_offset; 402 QEMUTimer *qtimer; 403 }; 404 405 typedef struct CPUTimer CPUTimer; 406 407 typedef struct CPUSPARCState CPUSPARCState; 408 #if defined(TARGET_SPARC64) 409 typedef union { 410 uint64_t mmuregs[16]; 411 struct { 412 uint64_t tsb_tag_target; 413 uint64_t mmu_primary_context; 414 uint64_t mmu_secondary_context; 415 uint64_t sfsr; 416 uint64_t sfar; 417 uint64_t tsb; 418 uint64_t tag_access; 419 uint64_t virtual_watchpoint; 420 uint64_t physical_watchpoint; 421 uint64_t sun4v_ctx_config[2]; 422 uint64_t sun4v_tsb_pointers[4]; 423 }; 424 } SparcV9MMU; 425 #endif 426 struct CPUSPARCState { 427 target_ulong gregs[8]; /* general registers */ 428 target_ulong *regwptr; /* pointer to current register window */ 429 target_ulong pc; /* program counter */ 430 target_ulong npc; /* next program counter */ 431 target_ulong y; /* multiply/divide register */ 432 433 /* emulator internal flags handling */ 434 target_ulong cc_src, cc_src2; 435 target_ulong cc_dst; 436 uint32_t cc_op; 437 438 target_ulong cond; /* conditional branch result (XXX: save it in a 439 temporary register when possible) */ 440 441 uint32_t psr; /* processor state register */ 442 target_ulong fsr; /* FPU state register */ 443 CPU_DoubleU fpr[TARGET_DPREGS]; /* floating point registers */ 444 uint32_t cwp; /* index of current register window (extracted 445 from PSR) */ 446 #if !defined(TARGET_SPARC64) || defined(TARGET_ABI32) 447 uint32_t wim; /* window invalid mask */ 448 #endif 449 target_ulong tbr; /* trap base register */ 450 #if !defined(TARGET_SPARC64) 451 int psrs; /* supervisor mode (extracted from PSR) */ 452 int psrps; /* previous supervisor mode */ 453 int psret; /* enable traps */ 454 #endif 455 uint32_t psrpil; /* interrupt blocking level */ 456 uint32_t pil_in; /* incoming interrupt level bitmap */ 457 #if !defined(TARGET_SPARC64) 458 int psref; /* enable fpu */ 459 #endif 460 int interrupt_index; 461 /* NOTE: we allow 8 more registers to handle wrapping */ 462 target_ulong regbase[MAX_NWINDOWS * 16 + 8]; 463 464 /* Fields up to this point are cleared by a CPU reset */ 465 struct {} end_reset_fields; 466 467 CPU_COMMON 468 469 /* Fields from here on are preserved across CPU reset. */ 470 target_ulong version; 471 uint32_t nwindows; 472 473 /* MMU regs */ 474 #if defined(TARGET_SPARC64) 475 uint64_t lsu; 476 #define DMMU_E 0x8 477 #define IMMU_E 0x4 478 SparcV9MMU immu; 479 SparcV9MMU dmmu; 480 SparcTLBEntry itlb[64]; 481 SparcTLBEntry dtlb[64]; 482 uint32_t mmu_version; 483 #else 484 uint32_t mmuregs[32]; 485 uint64_t mxccdata[4]; 486 uint64_t mxccregs[8]; 487 uint32_t mmubpctrv, mmubpctrc, mmubpctrs; 488 uint64_t mmubpaction; 489 uint64_t mmubpregs[4]; 490 uint64_t prom_addr; 491 #endif 492 /* temporary float registers */ 493 float128 qt0, qt1; 494 float_status fp_status; 495 #if defined(TARGET_SPARC64) 496 #define MAXTL_MAX 8 497 #define MAXTL_MASK (MAXTL_MAX - 1) 498 trap_state ts[MAXTL_MAX]; 499 uint32_t xcc; /* Extended integer condition codes */ 500 uint32_t asi; 501 uint32_t pstate; 502 uint32_t tl; 503 uint32_t maxtl; 504 uint32_t cansave, canrestore, otherwin, wstate, cleanwin; 505 uint64_t agregs[8]; /* alternate general registers */ 506 uint64_t bgregs[8]; /* backup for normal global registers */ 507 uint64_t igregs[8]; /* interrupt general registers */ 508 uint64_t mgregs[8]; /* mmu general registers */ 509 uint64_t glregs[8 * MAXTL_MAX]; 510 uint64_t fprs; 511 uint64_t tick_cmpr, stick_cmpr; 512 CPUTimer *tick, *stick; 513 #define TICK_NPT_MASK 0x8000000000000000ULL 514 #define TICK_INT_DIS 0x8000000000000000ULL 515 uint64_t gsr; 516 uint32_t gl; // UA2005 517 /* UA 2005 hyperprivileged registers */ 518 uint64_t hpstate, htstate[MAXTL_MAX], hintp, htba, hver, hstick_cmpr, ssr; 519 uint64_t scratch[8]; 520 CPUTimer *hstick; // UA 2005 521 /* Interrupt vector registers */ 522 uint64_t ivec_status; 523 uint64_t ivec_data[3]; 524 uint32_t softint; 525 #define SOFTINT_TIMER 1 526 #define SOFTINT_STIMER (1 << 16) 527 #define SOFTINT_INTRMASK (0xFFFE) 528 #define SOFTINT_REG_MASK (SOFTINT_STIMER|SOFTINT_INTRMASK|SOFTINT_TIMER) 529 #endif 530 sparc_def_t def; 531 532 void *irq_manager; 533 void (*qemu_irq_ack)(CPUSPARCState *env, void *irq_manager, int intno); 534 535 /* Leon3 cache control */ 536 uint32_t cache_control; 537 }; 538 539 /** 540 * SPARCCPU: 541 * @env: #CPUSPARCState 542 * 543 * A SPARC CPU. 544 */ 545 struct SPARCCPU { 546 /*< private >*/ 547 CPUState parent_obj; 548 /*< public >*/ 549 550 CPUSPARCState env; 551 }; 552 553 static inline SPARCCPU *sparc_env_get_cpu(CPUSPARCState *env) 554 { 555 return container_of(env, SPARCCPU, env); 556 } 557 558 #define ENV_GET_CPU(e) CPU(sparc_env_get_cpu(e)) 559 560 #define ENV_OFFSET offsetof(SPARCCPU, env) 561 562 #ifndef CONFIG_USER_ONLY 563 extern const struct VMStateDescription vmstate_sparc_cpu; 564 #endif 565 566 void sparc_cpu_do_interrupt(CPUState *cpu); 567 void sparc_cpu_dump_state(CPUState *cpu, FILE *f, 568 fprintf_function cpu_fprintf, int flags); 569 hwaddr sparc_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr); 570 int sparc_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg); 571 int sparc_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg); 572 void QEMU_NORETURN sparc_cpu_do_unaligned_access(CPUState *cpu, vaddr addr, 573 MMUAccessType access_type, 574 int mmu_idx, 575 uintptr_t retaddr); 576 void cpu_raise_exception_ra(CPUSPARCState *, int, uintptr_t) QEMU_NORETURN; 577 578 #ifndef NO_CPU_IO_DEFS 579 /* cpu_init.c */ 580 void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu); 581 void sparc_cpu_list(FILE *f, fprintf_function cpu_fprintf); 582 /* mmu_helper.c */ 583 int sparc_cpu_handle_mmu_fault(CPUState *cpu, vaddr address, int size, int rw, 584 int mmu_idx); 585 target_ulong mmu_probe(CPUSPARCState *env, target_ulong address, int mmulev); 586 void dump_mmu(FILE *f, fprintf_function cpu_fprintf, CPUSPARCState *env); 587 588 #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) 589 int sparc_cpu_memory_rw_debug(CPUState *cpu, vaddr addr, 590 uint8_t *buf, int len, bool is_write); 591 #endif 592 593 594 /* translate.c */ 595 void sparc_tcg_init(void); 596 597 /* cpu-exec.c */ 598 599 /* win_helper.c */ 600 target_ulong cpu_get_psr(CPUSPARCState *env1); 601 void cpu_put_psr(CPUSPARCState *env1, target_ulong val); 602 void cpu_put_psr_raw(CPUSPARCState *env1, target_ulong val); 603 #ifdef TARGET_SPARC64 604 target_ulong cpu_get_ccr(CPUSPARCState *env1); 605 void cpu_put_ccr(CPUSPARCState *env1, target_ulong val); 606 target_ulong cpu_get_cwp64(CPUSPARCState *env1); 607 void cpu_put_cwp64(CPUSPARCState *env1, int cwp); 608 void cpu_change_pstate(CPUSPARCState *env1, uint32_t new_pstate); 609 void cpu_gl_switch_gregs(CPUSPARCState *env, uint32_t new_gl); 610 #endif 611 int cpu_cwp_inc(CPUSPARCState *env1, int cwp); 612 int cpu_cwp_dec(CPUSPARCState *env1, int cwp); 613 void cpu_set_cwp(CPUSPARCState *env1, int new_cwp); 614 615 /* int_helper.c */ 616 void leon3_irq_manager(CPUSPARCState *env, void *irq_manager, int intno); 617 618 /* sun4m.c, sun4u.c */ 619 void cpu_check_irqs(CPUSPARCState *env); 620 621 /* leon3.c */ 622 void leon3_irq_ack(void *irq_manager, int intno); 623 624 #if defined (TARGET_SPARC64) 625 626 static inline int compare_masked(uint64_t x, uint64_t y, uint64_t mask) 627 { 628 return (x & mask) == (y & mask); 629 } 630 631 #define MMU_CONTEXT_BITS 13 632 #define MMU_CONTEXT_MASK ((1 << MMU_CONTEXT_BITS) - 1) 633 634 static inline int tlb_compare_context(const SparcTLBEntry *tlb, 635 uint64_t context) 636 { 637 return compare_masked(context, tlb->tag, MMU_CONTEXT_MASK); 638 } 639 640 #endif 641 #endif 642 643 /* cpu-exec.c */ 644 #if !defined(CONFIG_USER_ONLY) 645 void sparc_cpu_unassigned_access(CPUState *cpu, hwaddr addr, 646 bool is_write, bool is_exec, int is_asi, 647 unsigned size); 648 #if defined(TARGET_SPARC64) 649 hwaddr cpu_get_phys_page_nofault(CPUSPARCState *env, target_ulong addr, 650 int mmu_idx); 651 #endif 652 #endif 653 int cpu_sparc_signal_handler(int host_signum, void *pinfo, void *puc); 654 655 #define SPARC_CPU_TYPE_SUFFIX "-" TYPE_SPARC_CPU 656 #define SPARC_CPU_TYPE_NAME(model) model SPARC_CPU_TYPE_SUFFIX 657 #define CPU_RESOLVING_TYPE TYPE_SPARC_CPU 658 659 #define cpu_signal_handler cpu_sparc_signal_handler 660 #define cpu_list sparc_cpu_list 661 662 /* MMU modes definitions */ 663 #if defined (TARGET_SPARC64) 664 #define MMU_USER_IDX 0 665 #define MMU_USER_SECONDARY_IDX 1 666 #define MMU_KERNEL_IDX 2 667 #define MMU_KERNEL_SECONDARY_IDX 3 668 #define MMU_NUCLEUS_IDX 4 669 #define MMU_PHYS_IDX 5 670 #else 671 #define MMU_USER_IDX 0 672 #define MMU_KERNEL_IDX 1 673 #define MMU_PHYS_IDX 2 674 #endif 675 676 #if defined (TARGET_SPARC64) 677 static inline int cpu_has_hypervisor(CPUSPARCState *env1) 678 { 679 return env1->def.features & CPU_FEATURE_HYPV; 680 } 681 682 static inline int cpu_hypervisor_mode(CPUSPARCState *env1) 683 { 684 return cpu_has_hypervisor(env1) && (env1->hpstate & HS_PRIV); 685 } 686 687 static inline int cpu_supervisor_mode(CPUSPARCState *env1) 688 { 689 return env1->pstate & PS_PRIV; 690 } 691 #else 692 static inline int cpu_supervisor_mode(CPUSPARCState *env1) 693 { 694 return env1->psrs; 695 } 696 #endif 697 698 static inline int cpu_mmu_index(CPUSPARCState *env, bool ifetch) 699 { 700 #if defined(CONFIG_USER_ONLY) 701 return MMU_USER_IDX; 702 #elif !defined(TARGET_SPARC64) 703 if ((env->mmuregs[0] & MMU_E) == 0) { /* MMU disabled */ 704 return MMU_PHYS_IDX; 705 } else { 706 return env->psrs; 707 } 708 #else 709 /* IMMU or DMMU disabled. */ 710 if (ifetch 711 ? (env->lsu & IMMU_E) == 0 || (env->pstate & PS_RED) != 0 712 : (env->lsu & DMMU_E) == 0) { 713 return MMU_PHYS_IDX; 714 } else if (cpu_hypervisor_mode(env)) { 715 return MMU_PHYS_IDX; 716 } else if (env->tl > 0) { 717 return MMU_NUCLEUS_IDX; 718 } else if (cpu_supervisor_mode(env)) { 719 return MMU_KERNEL_IDX; 720 } else { 721 return MMU_USER_IDX; 722 } 723 #endif 724 } 725 726 static inline int cpu_interrupts_enabled(CPUSPARCState *env1) 727 { 728 #if !defined (TARGET_SPARC64) 729 if (env1->psret != 0) 730 return 1; 731 #else 732 if ((env1->pstate & PS_IE) && !cpu_hypervisor_mode(env1)) { 733 return 1; 734 } 735 #endif 736 737 return 0; 738 } 739 740 static inline int cpu_pil_allowed(CPUSPARCState *env1, int pil) 741 { 742 #if !defined(TARGET_SPARC64) 743 /* level 15 is non-maskable on sparc v8 */ 744 return pil == 15 || pil > env1->psrpil; 745 #else 746 return pil > env1->psrpil; 747 #endif 748 } 749 750 #include "exec/cpu-all.h" 751 752 #ifdef TARGET_SPARC64 753 /* sun4u.c */ 754 void cpu_tick_set_count(CPUTimer *timer, uint64_t count); 755 uint64_t cpu_tick_get_count(CPUTimer *timer); 756 void cpu_tick_set_limit(CPUTimer *timer, uint64_t limit); 757 trap_state* cpu_tsptr(CPUSPARCState* env); 758 #endif 759 760 #define TB_FLAG_MMU_MASK 7 761 #define TB_FLAG_FPU_ENABLED (1 << 4) 762 #define TB_FLAG_AM_ENABLED (1 << 5) 763 #define TB_FLAG_SUPER (1 << 6) 764 #define TB_FLAG_HYPER (1 << 7) 765 #define TB_FLAG_ASI_SHIFT 24 766 767 static inline void cpu_get_tb_cpu_state(CPUSPARCState *env, target_ulong *pc, 768 target_ulong *cs_base, uint32_t *pflags) 769 { 770 uint32_t flags; 771 *pc = env->pc; 772 *cs_base = env->npc; 773 flags = cpu_mmu_index(env, false); 774 #ifndef CONFIG_USER_ONLY 775 if (cpu_supervisor_mode(env)) { 776 flags |= TB_FLAG_SUPER; 777 } 778 #endif 779 #ifdef TARGET_SPARC64 780 #ifndef CONFIG_USER_ONLY 781 if (cpu_hypervisor_mode(env)) { 782 flags |= TB_FLAG_HYPER; 783 } 784 #endif 785 if (env->pstate & PS_AM) { 786 flags |= TB_FLAG_AM_ENABLED; 787 } 788 if ((env->def.features & CPU_FEATURE_FLOAT) 789 && (env->pstate & PS_PEF) 790 && (env->fprs & FPRS_FEF)) { 791 flags |= TB_FLAG_FPU_ENABLED; 792 } 793 flags |= env->asi << TB_FLAG_ASI_SHIFT; 794 #else 795 if ((env->def.features & CPU_FEATURE_FLOAT) && env->psref) { 796 flags |= TB_FLAG_FPU_ENABLED; 797 } 798 #endif 799 *pflags = flags; 800 } 801 802 static inline bool tb_fpu_enabled(int tb_flags) 803 { 804 #if defined(CONFIG_USER_ONLY) 805 return true; 806 #else 807 return tb_flags & TB_FLAG_FPU_ENABLED; 808 #endif 809 } 810 811 static inline bool tb_am_enabled(int tb_flags) 812 { 813 #ifndef TARGET_SPARC64 814 return false; 815 #else 816 return tb_flags & TB_FLAG_AM_ENABLED; 817 #endif 818 } 819 820 #endif 821