target-sparc/cpu.h

   1 #ifndef CPU_SPARC_H
   2 #define CPU_SPARC_H
   3
   4 #include "qemu-common.h"
   5 #include "qemu/bswap.h"
   6
   7 #define ALIGNED_ONLY
   8
   9 #if !defined(TARGET_SPARC64)
  10 #define TARGET_LONG_BITS 32
  11 #define TARGET_DPREGS 16
  12 #define TARGET_PAGE_BITS 12 /* 4k */
  13 #define TARGET_PHYS_ADDR_SPACE_BITS 36
  14 #define TARGET_VIRT_ADDR_SPACE_BITS 32
  15 #else
  16 #define TARGET_LONG_BITS 64
  17 #define TARGET_DPREGS 32
  18 #define TARGET_PAGE_BITS 13 /* 8k */
  19 #define TARGET_PHYS_ADDR_SPACE_BITS 41
  20 # ifdef TARGET_ABI32
  21 #  define TARGET_VIRT_ADDR_SPACE_BITS 32
  22 # else
  23 #  define TARGET_VIRT_ADDR_SPACE_BITS 44
  24 # endif
  25 #endif
  26
  27 #define CPUArchState struct CPUSPARCState
  28
  29 #include "exec/cpu-defs.h"
  30
  31 #include "fpu/softfloat.h"
  32
  33 /*#define EXCP_INTERRUPT 0x100*/
  34
  35 /* trap definitions */
  36 #ifndef TARGET_SPARC64
  37 #define TT_TFAULT   0x01
  38 #define TT_ILL_INSN 0x02
  39 #define TT_PRIV_INSN 0x03
  40 #define TT_NFPU_INSN 0x04
  41 #define TT_WIN_OVF  0x05
  42 #define TT_WIN_UNF  0x06
  43 #define TT_UNALIGNED 0x07
  44 #define TT_FP_EXCP  0x08
  45 #define TT_DFAULT   0x09
  46 #define TT_TOVF     0x0a
  47 #define TT_EXTINT   0x10
  48 #define TT_CODE_ACCESS 0x21
  49 #define TT_UNIMP_FLUSH 0x25
  50 #define TT_DATA_ACCESS 0x29
  51 #define TT_DIV_ZERO 0x2a
  52 #define TT_NCP_INSN 0x24
  53 #define TT_TRAP     0x80
  54 #else
  55 #define TT_POWER_ON_RESET 0x01
  56 #define TT_TFAULT   0x08
  57 #define TT_CODE_ACCESS 0x0a
  58 #define TT_ILL_INSN 0x10
  59 #define TT_UNIMP_FLUSH TT_ILL_INSN
  60 #define TT_PRIV_INSN 0x11
  61 #define TT_NFPU_INSN 0x20
  62 #define TT_FP_EXCP  0x21
  63 #define TT_TOVF     0x23
  64 #define TT_CLRWIN   0x24
  65 #define TT_DIV_ZERO 0x28
  66 #define TT_DFAULT   0x30
  67 #define TT_DATA_ACCESS 0x32
  68 #define TT_UNALIGNED 0x34
  69 #define TT_PRIV_ACT 0x37
  70 #define TT_EXTINT   0x40
  71 #define TT_IVEC     0x60
  72 #define TT_TMISS    0x64
  73 #define TT_DMISS    0x68
  74 #define TT_DPROT    0x6c
  75 #define TT_SPILL    0x80
  76 #define TT_FILL     0xc0
  77 #define TT_WOTHER   (1 << 5)
  78 #define TT_TRAP     0x100
  79 #endif
  80
  81 #define PSR_NEG_SHIFT 23
  82 #define PSR_NEG   (1 << PSR_NEG_SHIFT)
  83 #define PSR_ZERO_SHIFT 22
  84 #define PSR_ZERO  (1 << PSR_ZERO_SHIFT)
  85 #define PSR_OVF_SHIFT 21
  86 #define PSR_OVF   (1 << PSR_OVF_SHIFT)
  87 #define PSR_CARRY_SHIFT 20
  88 #define PSR_CARRY (1 << PSR_CARRY_SHIFT)
  89 #define PSR_ICC   (PSR_NEG|PSR_ZERO|PSR_OVF|PSR_CARRY)
  90 #if !defined(TARGET_SPARC64)
  91 #define PSR_EF    (1<<12)
  92 #define PSR_PIL   0xf00
  93 #define PSR_S     (1<<7)
  94 #define PSR_PS    (1<<6)
  95 #define PSR_ET    (1<<5)
  96 #define PSR_CWP   0x1f
  97 #endif
  98
  99 #define CC_SRC (env->cc_src)
 100 #define CC_SRC2 (env->cc_src2)
 101 #define CC_DST (env->cc_dst)
 102 #define CC_OP  (env->cc_op)
 103
 104 enum {
 105     CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */
 106     CC_OP_FLAGS,   /* all cc are back in status register */
 107     CC_OP_DIV,     /* modify N, Z and V, C = 0*/
 108     CC_OP_ADD,     /* modify all flags, CC_DST = res, CC_SRC = src1 */
 109     CC_OP_ADDX,    /* modify all flags, CC_DST = res, CC_SRC = src1 */
 110     CC_OP_TADD,    /* modify all flags, CC_DST = res, CC_SRC = src1 */
 111     CC_OP_TADDTV,  /* modify all flags except V, CC_DST = res, CC_SRC = src1 */
 112     CC_OP_SUB,     /* modify all flags, CC_DST = res, CC_SRC = src1 */
 113     CC_OP_SUBX,    /* modify all flags, CC_DST = res, CC_SRC = src1 */
 114     CC_OP_TSUB,    /* modify all flags, CC_DST = res, CC_SRC = src1 */
 115     CC_OP_TSUBTV,  /* modify all flags except V, CC_DST = res, CC_SRC = src1 */
 116     CC_OP_LOGIC,   /* modify N and Z, C = V = 0, CC_DST = res */
 117     CC_OP_NB,
 118 };
 119
 120 /* Trap base register */
 121 #define TBR_BASE_MASK 0xfffff000
 122
 123 #if defined(TARGET_SPARC64)
 124 #define PS_TCT   (1<<12) /* UA2007, impl.dep. trap on control transfer */
 125 #define PS_IG    (1<<11) /* v9, zero on UA2007 */
 126 #define PS_MG    (1<<10) /* v9, zero on UA2007 */
 127 #define PS_CLE   (1<<9) /* UA2007 */
 128 #define PS_TLE   (1<<8) /* UA2007 */
 129 #define PS_RMO   (1<<7)
 130 #define PS_RED   (1<<5) /* v9, zero on UA2007 */
 131 #define PS_PEF   (1<<4) /* enable fpu */
 132 #define PS_AM    (1<<3) /* address mask */
 133 #define PS_PRIV  (1<<2)
 134 #define PS_IE    (1<<1)
 135 #define PS_AG    (1<<0) /* v9, zero on UA2007 */
 136
 137 #define FPRS_FEF (1<<2)
 138
 139 #define HS_PRIV  (1<<2)
 140 #endif
 141
 142 /* Fcc */
 143 #define FSR_RD1        (1ULL << 31)
 144 #define FSR_RD0        (1ULL << 30)
 145 #define FSR_RD_MASK    (FSR_RD1 | FSR_RD0)
 146 #define FSR_RD_NEAREST 0
 147 #define FSR_RD_ZERO    FSR_RD0
 148 #define FSR_RD_POS     FSR_RD1
 149 #define FSR_RD_NEG     (FSR_RD1 | FSR_RD0)
 150
 151 #define FSR_NVM   (1ULL << 27)
 152 #define FSR_OFM   (1ULL << 26)
 153 #define FSR_UFM   (1ULL << 25)
 154 #define FSR_DZM   (1ULL << 24)
 155 #define FSR_NXM   (1ULL << 23)
 156 #define FSR_TEM_MASK (FSR_NVM | FSR_OFM | FSR_UFM | FSR_DZM | FSR_NXM)
 157
 158 #define FSR_NVA   (1ULL << 9)
 159 #define FSR_OFA   (1ULL << 8)
 160 #define FSR_UFA   (1ULL << 7)
 161 #define FSR_DZA   (1ULL << 6)
 162 #define FSR_NXA   (1ULL << 5)
 163 #define FSR_AEXC_MASK (FSR_NVA | FSR_OFA | FSR_UFA | FSR_DZA | FSR_NXA)
 164
 165 #define FSR_NVC   (1ULL << 4)
 166 #define FSR_OFC   (1ULL << 3)
 167 #define FSR_UFC   (1ULL << 2)
 168 #define FSR_DZC   (1ULL << 1)
 169 #define FSR_NXC   (1ULL << 0)
 170 #define FSR_CEXC_MASK (FSR_NVC | FSR_OFC | FSR_UFC | FSR_DZC | FSR_NXC)
 171
 172 #define FSR_FTT2   (1ULL << 16)
 173 #define FSR_FTT1   (1ULL << 15)
 174 #define FSR_FTT0   (1ULL << 14)
 175 //gcc warns about constant overflow for ~FSR_FTT_MASK
 176 //#define FSR_FTT_MASK (FSR_FTT2 | FSR_FTT1 | FSR_FTT0)
 177 #ifdef TARGET_SPARC64
 178 #define FSR_FTT_NMASK      0xfffffffffffe3fffULL
 179 #define FSR_FTT_CEXC_NMASK 0xfffffffffffe3fe0ULL
 180 #define FSR_LDFSR_OLDMASK  0x0000003f000fc000ULL
 181 #define FSR_LDXFSR_MASK    0x0000003fcfc00fffULL
 182 #define FSR_LDXFSR_OLDMASK 0x00000000000fc000ULL
 183 #else
 184 #define FSR_FTT_NMASK      0xfffe3fffULL
 185 #define FSR_FTT_CEXC_NMASK 0xfffe3fe0ULL
 186 #define FSR_LDFSR_OLDMASK  0x000fc000ULL
 187 #endif
 188 #define FSR_LDFSR_MASK     0xcfc00fffULL
 189 #define FSR_FTT_IEEE_EXCP (1ULL << 14)
 190 #define FSR_FTT_UNIMPFPOP (3ULL << 14)
 191 #define FSR_FTT_SEQ_ERROR (4ULL << 14)
 192 #define FSR_FTT_INVAL_FPR (6ULL << 14)
 193
 194 #define FSR_FCC1_SHIFT 11
 195 #define FSR_FCC1  (1ULL << FSR_FCC1_SHIFT)
 196 #define FSR_FCC0_SHIFT 10
 197 #define FSR_FCC0  (1ULL << FSR_FCC0_SHIFT)
 198
 199 /* MMU */
 200 #define MMU_E     (1<<0)
 201 #define MMU_NF    (1<<1)
 202
 203 #define PTE_ENTRYTYPE_MASK 3
 204 #define PTE_ACCESS_MASK    0x1c
 205 #define PTE_ACCESS_SHIFT   2
 206 #define PTE_PPN_SHIFT      7
 207 #define PTE_ADDR_MASK      0xffffff00
 208
 209 #define PG_ACCESSED_BIT 5
 210 #define PG_MODIFIED_BIT 6
 211 #define PG_CACHE_BIT    7
 212
 213 #define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT)
 214 #define PG_MODIFIED_MASK (1 << PG_MODIFIED_BIT)
 215 #define PG_CACHE_MASK    (1 << PG_CACHE_BIT)
 216
 217 /* 3 <= NWINDOWS <= 32. */
 218 #define MIN_NWINDOWS 3
 219 #define MAX_NWINDOWS 32
 220
 221 #if !defined(TARGET_SPARC64)
 222 #define NB_MMU_MODES 2
 223 #else
 224 #define NB_MMU_MODES 6
 225 typedef struct trap_state {
 226     uint64_t tpc;
 227     uint64_t tnpc;
 228     uint64_t tstate;
 229     uint32_t tt;
 230 } trap_state;
 231 #endif
 232 #define TARGET_INSN_START_EXTRA_WORDS 1
 233
 234 typedef struct sparc_def_t {
 235     const char *name;
 236     target_ulong iu_version;
 237     uint32_t fpu_version;
 238     uint32_t mmu_version;
 239     uint32_t mmu_bm;
 240     uint32_t mmu_ctpr_mask;
 241     uint32_t mmu_cxr_mask;
 242     uint32_t mmu_sfsr_mask;
 243     uint32_t mmu_trcr_mask;
 244     uint32_t mxcc_version;
 245     uint32_t features;
 246     uint32_t nwindows;
 247     uint32_t maxtl;
 248 } sparc_def_t;
 249
 250 #define CPU_FEATURE_FLOAT        (1 << 0)
 251 #define CPU_FEATURE_FLOAT128     (1 << 1)
 252 #define CPU_FEATURE_SWAP         (1 << 2)
 253 #define CPU_FEATURE_MUL          (1 << 3)
 254 #define CPU_FEATURE_DIV          (1 << 4)
 255 #define CPU_FEATURE_FLUSH        (1 << 5)
 256 #define CPU_FEATURE_FSQRT        (1 << 6)
 257 #define CPU_FEATURE_FMUL         (1 << 7)
 258 #define CPU_FEATURE_VIS1         (1 << 8)
 259 #define CPU_FEATURE_VIS2         (1 << 9)
 260 #define CPU_FEATURE_FSMULD       (1 << 10)
 261 #define CPU_FEATURE_HYPV         (1 << 11)
 262 #define CPU_FEATURE_CMT          (1 << 12)
 263 #define CPU_FEATURE_GL           (1 << 13)
 264 #define CPU_FEATURE_TA0_SHUTDOWN (1 << 14) /* Shutdown on "ta 0x0" */
 265 #define CPU_FEATURE_ASR17        (1 << 15)
 266 #define CPU_FEATURE_CACHE_CTRL   (1 << 16)
 267 #define CPU_FEATURE_POWERDOWN    (1 << 17)
 268 #define CPU_FEATURE_CASA         (1 << 18)
 269
 270 #ifndef TARGET_SPARC64
 271 #define CPU_DEFAULT_FEATURES (CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP |  \
 272                               CPU_FEATURE_MUL | CPU_FEATURE_DIV |     \
 273                               CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT | \
 274                               CPU_FEATURE_FMUL | CPU_FEATURE_FSMULD)
 275 #else
 276 #define CPU_DEFAULT_FEATURES (CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP |  \
 277                               CPU_FEATURE_MUL | CPU_FEATURE_DIV |     \
 278                               CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT | \
 279                               CPU_FEATURE_FMUL | CPU_FEATURE_VIS1 |   \
 280                               CPU_FEATURE_VIS2 | CPU_FEATURE_FSMULD | \
 281                               CPU_FEATURE_CASA)
 282 enum {
 283     mmu_us_12, // Ultrasparc < III (64 entry TLB)
 284     mmu_us_3,  // Ultrasparc III (512 entry TLB)
 285     mmu_us_4,  // Ultrasparc IV (several TLBs, 32 and 256MB pages)
 286     mmu_sun4v, // T1, T2
 287 };
 288 #endif
 289
 290 #define TTE_VALID_BIT       (1ULL << 63)
 291 #define TTE_NFO_BIT         (1ULL << 60)
 292 #define TTE_USED_BIT        (1ULL << 41)
 293 #define TTE_LOCKED_BIT      (1ULL <<  6)
 294 #define TTE_SIDEEFFECT_BIT  (1ULL <<  3)
 295 #define TTE_PRIV_BIT        (1ULL <<  2)
 296 #define TTE_W_OK_BIT        (1ULL <<  1)
 297 #define TTE_GLOBAL_BIT      (1ULL <<  0)
 298
 299 #define TTE_IS_VALID(tte)   ((tte) & TTE_VALID_BIT)
 300 #define TTE_IS_NFO(tte)     ((tte) & TTE_NFO_BIT)
 301 #define TTE_IS_USED(tte)    ((tte) & TTE_USED_BIT)
 302 #define TTE_IS_LOCKED(tte)  ((tte) & TTE_LOCKED_BIT)
 303 #define TTE_IS_SIDEEFFECT(tte) ((tte) & TTE_SIDEEFFECT_BIT)
 304 #define TTE_IS_PRIV(tte)    ((tte) & TTE_PRIV_BIT)
 305 #define TTE_IS_W_OK(tte)    ((tte) & TTE_W_OK_BIT)
 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_PA(tte)         ((tte) & 0x1ffffffe000ULL)
 313
 314 #define SFSR_NF_BIT         (1ULL << 24)   /* JPS1 NoFault */
 315 #define SFSR_TM_BIT         (1ULL << 15)   /* JPS1 TLB Miss */
 316 #define SFSR_FT_VA_IMMU_BIT (1ULL << 13)   /* USIIi VA out of range (IMMU) */
 317 #define SFSR_FT_VA_DMMU_BIT (1ULL << 12)   /* USIIi VA out of range (DMMU) */
 318 #define SFSR_FT_NFO_BIT     (1ULL << 11)   /* NFO page access */
 319 #define SFSR_FT_ILL_BIT     (1ULL << 10)   /* illegal LDA/STA ASI */
 320 #define SFSR_FT_ATOMIC_BIT  (1ULL <<  9)   /* atomic op on noncacheable area */
 321 #define SFSR_FT_NF_E_BIT    (1ULL <<  8)   /* NF access on side effect area */
 322 #define SFSR_FT_PRIV_BIT    (1ULL <<  7)   /* privilege violation */
 323 #define SFSR_PR_BIT         (1ULL <<  3)   /* privilege mode */
 324 #define SFSR_WRITE_BIT      (1ULL <<  2)   /* write access mode */
 325 #define SFSR_OW_BIT         (1ULL <<  1)   /* status overwritten */
 326 #define SFSR_VALID_BIT      (1ULL <<  0)   /* status valid */
 327
 328 #define SFSR_ASI_SHIFT      16             /* 23:16 ASI value */
 329 #define SFSR_ASI_MASK       (0xffULL << SFSR_ASI_SHIFT)
 330 #define SFSR_CT_PRIMARY     (0ULL <<  4)   /* 5:4 context type */
 331 #define SFSR_CT_SECONDARY   (1ULL <<  4)
 332 #define SFSR_CT_NUCLEUS     (2ULL <<  4)
 333 #define SFSR_CT_NOTRANS     (3ULL <<  4)
 334 #define SFSR_CT_MASK        (3ULL <<  4)
 335
 336 /* Leon3 cache control */
 337
 338 /* Cache control: emulate the behavior of cache control registers but without
 339    any effect on the emulated */
 340
 341 #define CACHE_STATE_MASK 0x3
 342 #define CACHE_DISABLED   0x0
 343 #define CACHE_FROZEN     0x1
 344 #define CACHE_ENABLED    0x3
 345
 346 /* Cache Control register fields */
 347
 348 #define CACHE_CTRL_IF (1 <<  4)  /* Instruction Cache Freeze on Interrupt */
 349 #define CACHE_CTRL_DF (1 <<  5)  /* Data Cache Freeze on Interrupt */
 350 #define CACHE_CTRL_DP (1 << 14)  /* Data cache flush pending */
 351 #define CACHE_CTRL_IP (1 << 15)  /* Instruction cache flush pending */
 352 #define CACHE_CTRL_IB (1 << 16)  /* Instruction burst fetch */
 353 #define CACHE_CTRL_FI (1 << 21)  /* Flush Instruction cache (Write only) */
 354 #define CACHE_CTRL_FD (1 << 22)  /* Flush Data cache (Write only) */
 355 #define CACHE_CTRL_DS (1 << 23)  /* Data cache snoop enable */
 356
 357 typedef struct SparcTLBEntry {
 358     uint64_t tag;
 359     uint64_t tte;
 360 } SparcTLBEntry;
 361
 362 struct CPUTimer
 363 {
 364     const char *name;
 365     uint32_t    frequency;
 366     uint32_t    disabled;
 367     uint64_t    disabled_mask;
 368     uint32_t    npt;
 369     uint64_t    npt_mask;
 370     int64_t     clock_offset;
 371     QEMUTimer  *qtimer;
 372 };
 373
 374 typedef struct CPUTimer CPUTimer;
 375
 376 typedef struct CPUSPARCState CPUSPARCState;
 377
 378 struct CPUSPARCState {
 379     target_ulong gregs[8]; /* general registers */
 380     target_ulong *regwptr; /* pointer to current register window */
 381     target_ulong pc;       /* program counter */
 382     target_ulong npc;      /* next program counter */
 383     target_ulong y;        /* multiply/divide register */
 384
 385     /* emulator internal flags handling */
 386     target_ulong cc_src, cc_src2;
 387     target_ulong cc_dst;
 388     uint32_t cc_op;
 389
 390     target_ulong cond; /* conditional branch result (XXX: save it in a
 391                           temporary register when possible) */
 392
 393     uint32_t psr;      /* processor state register */
 394     target_ulong fsr;      /* FPU state register */
 395     CPU_DoubleU fpr[TARGET_DPREGS];  /* floating point registers */
 396     uint32_t cwp;      /* index of current register window (extracted
 397                           from PSR) */
 398 #if !defined(TARGET_SPARC64) || defined(TARGET_ABI32)
 399     uint32_t wim;      /* window invalid mask */
 400 #endif
 401     target_ulong tbr;  /* trap base register */
 402 #if !defined(TARGET_SPARC64)
 403     int      psrs;     /* supervisor mode (extracted from PSR) */
 404     int      psrps;    /* previous supervisor mode */
 405     int      psret;    /* enable traps */
 406 #endif
 407     uint32_t psrpil;   /* interrupt blocking level */
 408     uint32_t pil_in;   /* incoming interrupt level bitmap */
 409 #if !defined(TARGET_SPARC64)
 410     int      psref;    /* enable fpu */
 411 #endif
 412     int interrupt_index;
 413     /* NOTE: we allow 8 more registers to handle wrapping */
 414     target_ulong regbase[MAX_NWINDOWS * 16 + 8];
 415
 416     CPU_COMMON
 417
 418     /* Fields from here on are preserved across CPU reset. */
 419     target_ulong version;
 420     uint32_t nwindows;
 421
 422     /* MMU regs */
 423 #if defined(TARGET_SPARC64)
 424     uint64_t lsu;
 425 #define DMMU_E 0x8
 426 #define IMMU_E 0x4
 427     //typedef struct SparcMMU
 428     union {
 429         uint64_t immuregs[16];
 430         struct {
 431             uint64_t tsb_tag_target;
 432             uint64_t unused_mmu_primary_context;   // use DMMU
 433             uint64_t unused_mmu_secondary_context; // use DMMU
 434             uint64_t sfsr;
 435             uint64_t sfar;
 436             uint64_t tsb;
 437             uint64_t tag_access;
 438         } immu;
 439     };
 440     union {
 441         uint64_t dmmuregs[16];
 442         struct {
 443             uint64_t tsb_tag_target;
 444             uint64_t mmu_primary_context;
 445             uint64_t mmu_secondary_context;
 446             uint64_t sfsr;
 447             uint64_t sfar;
 448             uint64_t tsb;
 449             uint64_t tag_access;
 450         } dmmu;
 451     };
 452     SparcTLBEntry itlb[64];
 453     SparcTLBEntry dtlb[64];
 454     uint32_t mmu_version;
 455 #else
 456     uint32_t mmuregs[32];
 457     uint64_t mxccdata[4];
 458     uint64_t mxccregs[8];
 459     uint32_t mmubpctrv, mmubpctrc, mmubpctrs;
 460     uint64_t mmubpaction;
 461     uint64_t mmubpregs[4];
 462     uint64_t prom_addr;
 463 #endif
 464     /* temporary float registers */
 465     float128 qt0, qt1;
 466     float_status fp_status;
 467 #if defined(TARGET_SPARC64)
 468 #define MAXTL_MAX 8
 469 #define MAXTL_MASK (MAXTL_MAX - 1)
 470     trap_state ts[MAXTL_MAX];
 471     uint32_t xcc;               /* Extended integer condition codes */
 472     uint32_t asi;
 473     uint32_t pstate;
 474     uint32_t tl;
 475     uint32_t maxtl;
 476     uint32_t cansave, canrestore, otherwin, wstate, cleanwin;
 477     uint64_t agregs[8]; /* alternate general registers */
 478     uint64_t bgregs[8]; /* backup for normal global registers */
 479     uint64_t igregs[8]; /* interrupt general registers */
 480     uint64_t mgregs[8]; /* mmu general registers */
 481     uint64_t fprs;
 482     uint64_t tick_cmpr, stick_cmpr;
 483     CPUTimer *tick, *stick;
 484 #define TICK_NPT_MASK        0x8000000000000000ULL
 485 #define TICK_INT_DIS         0x8000000000000000ULL
 486     uint64_t gsr;
 487     uint32_t gl; // UA2005
 488     /* UA 2005 hyperprivileged registers */
 489     uint64_t hpstate, htstate[MAXTL_MAX], hintp, htba, hver, hstick_cmpr, ssr;
 490     CPUTimer *hstick; // UA 2005
 491     /* Interrupt vector registers */
 492     uint64_t ivec_status;
 493     uint64_t ivec_data[3];
 494     uint32_t softint;
 495 #define SOFTINT_TIMER   1
 496 #define SOFTINT_STIMER  (1 << 16)
 497 #define SOFTINT_INTRMASK (0xFFFE)
 498 #define SOFTINT_REG_MASK (SOFTINT_STIMER|SOFTINT_INTRMASK|SOFTINT_TIMER)
 499 #endif
 500     sparc_def_t *def;
 501
 502     void *irq_manager;
 503     void (*qemu_irq_ack)(CPUSPARCState *env, void *irq_manager, int intno);
 504
 505     /* Leon3 cache control */
 506     uint32_t cache_control;
 507 };
 508
 509 #include "cpu-qom.h"
 510
 511 #ifndef NO_CPU_IO_DEFS
 512 /* cpu_init.c */
 513 SPARCCPU *cpu_sparc_init(const char *cpu_model);
 514 void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu);
 515 void sparc_cpu_list(FILE *f, fprintf_function cpu_fprintf);
 516 /* mmu_helper.c */
 517 int sparc_cpu_handle_mmu_fault(CPUState *cpu, vaddr address, int rw,
 518                                int mmu_idx);
 519 target_ulong mmu_probe(CPUSPARCState *env, target_ulong address, int mmulev);
 520 void dump_mmu(FILE *f, fprintf_function cpu_fprintf, CPUSPARCState *env);
 521
 522 #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY)
 523 int sparc_cpu_memory_rw_debug(CPUState *cpu, vaddr addr,
 524                               uint8_t *buf, int len, bool is_write);
 525 #endif
 526
 527
 528 /* translate.c */
 529 void gen_intermediate_code_init(CPUSPARCState *env);
 530
 531 /* cpu-exec.c */
 532 int cpu_sparc_exec(CPUState *cpu);
 533
 534 /* win_helper.c */
 535 target_ulong cpu_get_psr(CPUSPARCState *env1);
 536 void cpu_put_psr(CPUSPARCState *env1, target_ulong val);
 537 void cpu_put_psr_raw(CPUSPARCState *env1, target_ulong val);
 538 #ifdef TARGET_SPARC64
 539 target_ulong cpu_get_ccr(CPUSPARCState *env1);
 540 void cpu_put_ccr(CPUSPARCState *env1, target_ulong val);
 541 target_ulong cpu_get_cwp64(CPUSPARCState *env1);
 542 void cpu_put_cwp64(CPUSPARCState *env1, int cwp);
 543 void cpu_change_pstate(CPUSPARCState *env1, uint32_t new_pstate);
 544 #endif
 545 int cpu_cwp_inc(CPUSPARCState *env1, int cwp);
 546 int cpu_cwp_dec(CPUSPARCState *env1, int cwp);
 547 void cpu_set_cwp(CPUSPARCState *env1, int new_cwp);
 548
 549 /* int_helper.c */
 550 void leon3_irq_manager(CPUSPARCState *env, void *irq_manager, int intno);
 551
 552 /* sun4m.c, sun4u.c */
 553 void cpu_check_irqs(CPUSPARCState *env);
 554
 555 /* leon3.c */
 556 void leon3_irq_ack(void *irq_manager, int intno);
 557
 558 #if defined (TARGET_SPARC64)
 559
 560 static inline int compare_masked(uint64_t x, uint64_t y, uint64_t mask)
 561 {
 562     return (x & mask) == (y & mask);
 563 }
 564
 565 #define MMU_CONTEXT_BITS 13
 566 #define MMU_CONTEXT_MASK ((1 << MMU_CONTEXT_BITS) - 1)
 567
 568 static inline int tlb_compare_context(const SparcTLBEntry *tlb,
 569                                       uint64_t context)
 570 {
 571     return compare_masked(context, tlb->tag, MMU_CONTEXT_MASK);
 572 }
 573
 574 #endif
 575 #endif
 576
 577 /* cpu-exec.c */
 578 #if !defined(CONFIG_USER_ONLY)
 579 void sparc_cpu_unassigned_access(CPUState *cpu, hwaddr addr,
 580                                  bool is_write, bool is_exec, int is_asi,
 581                                  unsigned size);
 582 #if defined(TARGET_SPARC64)
 583 hwaddr cpu_get_phys_page_nofault(CPUSPARCState *env, target_ulong addr,
 584                                            int mmu_idx);
 585 #endif
 586 #endif
 587 int cpu_sparc_signal_handler(int host_signum, void *pinfo, void *puc);
 588
 589 #ifndef NO_CPU_IO_DEFS
 590 #define cpu_init(cpu_model) CPU(cpu_sparc_init(cpu_model))
 591 #endif
 592
 593 #define cpu_exec cpu_sparc_exec
 594 #define cpu_signal_handler cpu_sparc_signal_handler
 595 #define cpu_list sparc_cpu_list
 596
 597 /* MMU modes definitions */
 598 #if defined (TARGET_SPARC64)
 599 #define MMU_USER_IDX   0
 600 #define MMU_MODE0_SUFFIX _user
 601 #define MMU_USER_SECONDARY_IDX   1
 602 #define MMU_MODE1_SUFFIX _user_secondary
 603 #define MMU_KERNEL_IDX 2
 604 #define MMU_MODE2_SUFFIX _kernel
 605 #define MMU_KERNEL_SECONDARY_IDX 3
 606 #define MMU_MODE3_SUFFIX _kernel_secondary
 607 #define MMU_NUCLEUS_IDX 4
 608 #define MMU_MODE4_SUFFIX _nucleus
 609 #define MMU_HYPV_IDX   5
 610 #define MMU_MODE5_SUFFIX _hypv
 611 #else
 612 #define MMU_USER_IDX   0
 613 #define MMU_MODE0_SUFFIX _user
 614 #define MMU_KERNEL_IDX 1
 615 #define MMU_MODE1_SUFFIX _kernel
 616 #endif
 617
 618 #if defined (TARGET_SPARC64)
 619 static inline int cpu_has_hypervisor(CPUSPARCState *env1)
 620 {
 621     return env1->def->features & CPU_FEATURE_HYPV;
 622 }
 623
 624 static inline int cpu_hypervisor_mode(CPUSPARCState *env1)
 625 {
 626     return cpu_has_hypervisor(env1) && (env1->hpstate & HS_PRIV);
 627 }
 628
 629 static inline int cpu_supervisor_mode(CPUSPARCState *env1)
 630 {
 631     return env1->pstate & PS_PRIV;
 632 }
 633 #endif
 634
 635 static inline int cpu_mmu_index(CPUSPARCState *env1, bool ifetch)
 636 {
 637 #if defined(CONFIG_USER_ONLY)
 638     return MMU_USER_IDX;
 639 #elif !defined(TARGET_SPARC64)
 640     return env1->psrs;
 641 #else
 642     if (env1->tl > 0) {
 643         return MMU_NUCLEUS_IDX;
 644     } else if (cpu_hypervisor_mode(env1)) {
 645         return MMU_HYPV_IDX;
 646     } else if (cpu_supervisor_mode(env1)) {
 647         return MMU_KERNEL_IDX;
 648     } else {
 649         return MMU_USER_IDX;
 650     }
 651 #endif
 652 }
 653
 654 static inline int cpu_interrupts_enabled(CPUSPARCState *env1)
 655 {
 656 #if !defined (TARGET_SPARC64)
 657     if (env1->psret != 0)
 658         return 1;
 659 #else
 660     if (env1->pstate & PS_IE)
 661         return 1;
 662 #endif
 663
 664     return 0;
 665 }
 666
 667 static inline int cpu_pil_allowed(CPUSPARCState *env1, int pil)
 668 {
 669 #if !defined(TARGET_SPARC64)
 670     /* level 15 is non-maskable on sparc v8 */
 671     return pil == 15 || pil > env1->psrpil;
 672 #else
 673     return pil > env1->psrpil;
 674 #endif
 675 }
 676
 677 #include "exec/cpu-all.h"
 678
 679 #ifdef TARGET_SPARC64
 680 /* sun4u.c */
 681 void cpu_tick_set_count(CPUTimer *timer, uint64_t count);
 682 uint64_t cpu_tick_get_count(CPUTimer *timer);
 683 void cpu_tick_set_limit(CPUTimer *timer, uint64_t limit);
 684 trap_state* cpu_tsptr(CPUSPARCState* env);
 685 #endif
 686
 687 #define TB_FLAG_FPU_ENABLED (1 << 4)
 688 #define TB_FLAG_AM_ENABLED (1 << 5)
 689
 690 static inline void cpu_get_tb_cpu_state(CPUSPARCState *env, target_ulong *pc,
 691                                         target_ulong *cs_base, int *flags)
 692 {
 693     *pc = env->pc;
 694     *cs_base = env->npc;
 695 #ifdef TARGET_SPARC64
 696     // AM . Combined FPU enable bits . PRIV . DMMU enabled . IMMU enabled
 697     *flags = (env->pstate & PS_PRIV)               /* 2 */
 698         | ((env->lsu & (DMMU_E | IMMU_E)) >> 2)    /* 1, 0 */
 699         | ((env->tl & 0xff) << 8)
 700         | (env->dmmu.mmu_primary_context << 16);   /* 16... */
 701     if (env->pstate & PS_AM) {
 702         *flags |= TB_FLAG_AM_ENABLED;
 703     }
 704     if ((env->def->features & CPU_FEATURE_FLOAT) && (env->pstate & PS_PEF)
 705         && (env->fprs & FPRS_FEF)) {
 706         *flags |= TB_FLAG_FPU_ENABLED;
 707     }
 708 #else
 709     // FPU enable . Supervisor
 710     *flags = env->psrs;
 711     if ((env->def->features & CPU_FEATURE_FLOAT) && env->psref) {
 712         *flags |= TB_FLAG_FPU_ENABLED;
 713     }
 714 #endif
 715 }
 716
 717 static inline bool tb_fpu_enabled(int tb_flags)
 718 {
 719 #if defined(CONFIG_USER_ONLY)
 720     return true;
 721 #else
 722     return tb_flags & TB_FLAG_FPU_ENABLED;
 723 #endif
 724 }
 725
 726 static inline bool tb_am_enabled(int tb_flags)
 727 {
 728 #ifndef TARGET_SPARC64
 729     return false;
 730 #else
 731     return tb_flags & TB_FLAG_AM_ENABLED;
 732 #endif
 733 }
 734
 735 #include "exec/exec-all.h"
 736
 737 #endif