| #ifndef CPU_SPARC_H |
| #define CPU_SPARC_H |
| |
| #include "config.h" |
| |
| #if !defined(TARGET_SPARC64) |
| #define TARGET_LONG_BITS 32 |
| #define TARGET_FPREGS 32 |
| #define TARGET_PAGE_BITS 12 /* 4k */ |
| #else |
| #define TARGET_LONG_BITS 64 |
| #define TARGET_FPREGS 64 |
| #define TARGET_PAGE_BITS 13 /* 8k */ |
| #endif |
| |
| #define TARGET_PHYS_ADDR_BITS 64 |
| |
| #include "cpu-defs.h" |
| |
| #include "softfloat.h" |
| |
| #define TARGET_HAS_ICE 1 |
| |
| #if !defined(TARGET_SPARC64) |
| #define ELF_MACHINE EM_SPARC |
| #else |
| #define ELF_MACHINE EM_SPARCV9 |
| #endif |
| |
| /*#define EXCP_INTERRUPT 0x100*/ |
| |
| /* trap definitions */ |
| #ifndef TARGET_SPARC64 |
| #define TT_TFAULT 0x01 |
| #define TT_ILL_INSN 0x02 |
| #define TT_PRIV_INSN 0x03 |
| #define TT_NFPU_INSN 0x04 |
| #define TT_WIN_OVF 0x05 |
| #define TT_WIN_UNF 0x06 |
| #define TT_UNALIGNED 0x07 |
| #define TT_FP_EXCP 0x08 |
| #define TT_DFAULT 0x09 |
| #define TT_TOVF 0x0a |
| #define TT_EXTINT 0x10 |
| #define TT_CODE_ACCESS 0x21 |
| #define TT_UNIMP_FLUSH 0x25 |
| #define TT_DATA_ACCESS 0x29 |
| #define TT_DIV_ZERO 0x2a |
| #define TT_NCP_INSN 0x24 |
| #define TT_TRAP 0x80 |
| #else |
| #define TT_TFAULT 0x08 |
| #define TT_CODE_ACCESS 0x0a |
| #define TT_ILL_INSN 0x10 |
| #define TT_UNIMP_FLUSH TT_ILL_INSN |
| #define TT_PRIV_INSN 0x11 |
| #define TT_NFPU_INSN 0x20 |
| #define TT_FP_EXCP 0x21 |
| #define TT_TOVF 0x23 |
| #define TT_CLRWIN 0x24 |
| #define TT_DIV_ZERO 0x28 |
| #define TT_DFAULT 0x30 |
| #define TT_DATA_ACCESS 0x32 |
| #define TT_UNALIGNED 0x34 |
| #define TT_PRIV_ACT 0x37 |
| #define TT_EXTINT 0x40 |
| #define TT_IVEC 0x60 |
| #define TT_TMISS 0x64 |
| #define TT_DMISS 0x68 |
| #define TT_DPROT 0x6c |
| #define TT_SPILL 0x80 |
| #define TT_FILL 0xc0 |
| #define TT_WOTHER 0x10 |
| #define TT_TRAP 0x100 |
| #endif |
| |
| #define PSR_NEG_SHIFT 23 |
| #define PSR_NEG (1 << PSR_NEG_SHIFT) |
| #define PSR_ZERO_SHIFT 22 |
| #define PSR_ZERO (1 << PSR_ZERO_SHIFT) |
| #define PSR_OVF_SHIFT 21 |
| #define PSR_OVF (1 << PSR_OVF_SHIFT) |
| #define PSR_CARRY_SHIFT 20 |
| #define PSR_CARRY (1 << PSR_CARRY_SHIFT) |
| #define PSR_ICC (PSR_NEG|PSR_ZERO|PSR_OVF|PSR_CARRY) |
| #define PSR_EF (1<<12) |
| #define PSR_PIL 0xf00 |
| #define PSR_S (1<<7) |
| #define PSR_PS (1<<6) |
| #define PSR_ET (1<<5) |
| #define PSR_CWP 0x1f |
| |
| /* Trap base register */ |
| #define TBR_BASE_MASK 0xfffff000 |
| |
| #if defined(TARGET_SPARC64) |
| #define PS_IG (1<<11) |
| #define PS_MG (1<<10) |
| #define PS_RMO (1<<7) |
| #define PS_RED (1<<5) |
| #define PS_PEF (1<<4) |
| #define PS_AM (1<<3) |
| #define PS_PRIV (1<<2) |
| #define PS_IE (1<<1) |
| #define PS_AG (1<<0) |
| |
| #define FPRS_FEF (1<<2) |
| |
| #define HS_PRIV (1<<2) |
| #endif |
| |
| /* Fcc */ |
| #define FSR_RD1 (1<<31) |
| #define FSR_RD0 (1<<30) |
| #define FSR_RD_MASK (FSR_RD1 | FSR_RD0) |
| #define FSR_RD_NEAREST 0 |
| #define FSR_RD_ZERO FSR_RD0 |
| #define FSR_RD_POS FSR_RD1 |
| #define FSR_RD_NEG (FSR_RD1 | FSR_RD0) |
| |
| #define FSR_NVM (1<<27) |
| #define FSR_OFM (1<<26) |
| #define FSR_UFM (1<<25) |
| #define FSR_DZM (1<<24) |
| #define FSR_NXM (1<<23) |
| #define FSR_TEM_MASK (FSR_NVM | FSR_OFM | FSR_UFM | FSR_DZM | FSR_NXM) |
| |
| #define FSR_NVA (1<<9) |
| #define FSR_OFA (1<<8) |
| #define FSR_UFA (1<<7) |
| #define FSR_DZA (1<<6) |
| #define FSR_NXA (1<<5) |
| #define FSR_AEXC_MASK (FSR_NVA | FSR_OFA | FSR_UFA | FSR_DZA | FSR_NXA) |
| |
| #define FSR_NVC (1<<4) |
| #define FSR_OFC (1<<3) |
| #define FSR_UFC (1<<2) |
| #define FSR_DZC (1<<1) |
| #define FSR_NXC (1<<0) |
| #define FSR_CEXC_MASK (FSR_NVC | FSR_OFC | FSR_UFC | FSR_DZC | FSR_NXC) |
| |
| #define FSR_FTT2 (1<<16) |
| #define FSR_FTT1 (1<<15) |
| #define FSR_FTT0 (1<<14) |
| #define FSR_FTT_MASK (FSR_FTT2 | FSR_FTT1 | FSR_FTT0) |
| #define FSR_FTT_IEEE_EXCP (1 << 14) |
| #define FSR_FTT_UNIMPFPOP (3 << 14) |
| #define FSR_FTT_SEQ_ERROR (4 << 14) |
| #define FSR_FTT_INVAL_FPR (6 << 14) |
| |
| #define FSR_FCC1_SHIFT 11 |
| #define FSR_FCC1 (1 << FSR_FCC1_SHIFT) |
| #define FSR_FCC0_SHIFT 10 |
| #define FSR_FCC0 (1 << FSR_FCC0_SHIFT) |
| |
| /* MMU */ |
| #define MMU_E (1<<0) |
| #define MMU_NF (1<<1) |
| |
| #define PTE_ENTRYTYPE_MASK 3 |
| #define PTE_ACCESS_MASK 0x1c |
| #define PTE_ACCESS_SHIFT 2 |
| #define PTE_PPN_SHIFT 7 |
| #define PTE_ADDR_MASK 0xffffff00 |
| |
| #define PG_ACCESSED_BIT 5 |
| #define PG_MODIFIED_BIT 6 |
| #define PG_CACHE_BIT 7 |
| |
| #define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT) |
| #define PG_MODIFIED_MASK (1 << PG_MODIFIED_BIT) |
| #define PG_CACHE_MASK (1 << PG_CACHE_BIT) |
| |
| /* 3 <= NWINDOWS <= 32. */ |
| #define MIN_NWINDOWS 3 |
| #define MAX_NWINDOWS 32 |
| |
| #if !defined(TARGET_SPARC64) |
| #define NB_MMU_MODES 2 |
| #else |
| #define NB_MMU_MODES 3 |
| typedef struct trap_state { |
| uint64_t tpc; |
| uint64_t tnpc; |
| uint64_t tstate; |
| uint32_t tt; |
| } trap_state; |
| #endif |
| |
| typedef struct CPUSPARCState { |
| target_ulong gregs[8]; /* general registers */ |
| target_ulong *regwptr; /* pointer to current register window */ |
| target_ulong pc; /* program counter */ |
| target_ulong npc; /* next program counter */ |
| target_ulong y; /* multiply/divide register */ |
| |
| /* emulator internal flags handling */ |
| target_ulong cc_src, cc_src2; |
| target_ulong cc_dst; |
| |
| target_ulong t0, t1; /* temporaries live across basic blocks */ |
| target_ulong cond; /* conditional branch result (XXX: save it in a |
| temporary register when possible) */ |
| |
| uint32_t psr; /* processor state register */ |
| target_ulong fsr; /* FPU state register */ |
| float32 fpr[TARGET_FPREGS]; /* floating point registers */ |
| uint32_t cwp; /* index of current register window (extracted |
| from PSR) */ |
| uint32_t wim; /* window invalid mask */ |
| target_ulong tbr; /* trap base register */ |
| int psrs; /* supervisor mode (extracted from PSR) */ |
| int psrps; /* previous supervisor mode */ |
| int psret; /* enable traps */ |
| uint32_t psrpil; /* interrupt blocking level */ |
| uint32_t pil_in; /* incoming interrupt level bitmap */ |
| int psref; /* enable fpu */ |
| target_ulong version; |
| int interrupt_index; |
| uint32_t mmu_bm; |
| uint32_t mmu_ctpr_mask; |
| uint32_t mmu_cxr_mask; |
| uint32_t mmu_sfsr_mask; |
| uint32_t mmu_trcr_mask; |
| uint32_t nwindows; |
| /* NOTE: we allow 8 more registers to handle wrapping */ |
| target_ulong regbase[MAX_NWINDOWS * 16 + 8]; |
| |
| CPU_COMMON |
| |
| /* MMU regs */ |
| #if defined(TARGET_SPARC64) |
| uint64_t lsu; |
| #define DMMU_E 0x8 |
| #define IMMU_E 0x4 |
| uint64_t immuregs[16]; |
| uint64_t dmmuregs[16]; |
| uint64_t itlb_tag[64]; |
| uint64_t itlb_tte[64]; |
| uint64_t dtlb_tag[64]; |
| uint64_t dtlb_tte[64]; |
| uint32_t mmu_version; |
| #else |
| uint32_t mmuregs[32]; |
| uint64_t mxccdata[4]; |
| uint64_t mxccregs[8]; |
| uint64_t prom_addr; |
| #endif |
| /* temporary float registers */ |
| float32 ft0, ft1; |
| float64 dt0, dt1; |
| float128 qt0, qt1; |
| float_status fp_status; |
| #if defined(TARGET_SPARC64) |
| #define MAXTL_MAX 8 |
| #define MAXTL_MASK (MAXTL_MAX - 1) |
| trap_state *tsptr; |
| trap_state ts[MAXTL_MAX]; |
| uint32_t xcc; /* Extended integer condition codes */ |
| uint32_t asi; |
| uint32_t pstate; |
| uint32_t tl; |
| uint32_t maxtl; |
| uint32_t cansave, canrestore, otherwin, wstate, cleanwin; |
| uint64_t agregs[8]; /* alternate general registers */ |
| uint64_t bgregs[8]; /* backup for normal global registers */ |
| uint64_t igregs[8]; /* interrupt general registers */ |
| uint64_t mgregs[8]; /* mmu general registers */ |
| uint64_t fprs; |
| uint64_t tick_cmpr, stick_cmpr; |
| void *tick, *stick; |
| uint64_t gsr; |
| uint32_t gl; // UA2005 |
| /* UA 2005 hyperprivileged registers */ |
| uint64_t hpstate, htstate[MAXTL_MAX], hintp, htba, hver, hstick_cmpr, ssr; |
| void *hstick; // UA 2005 |
| #endif |
| uint32_t features; |
| } CPUSPARCState; |
| |
| #define CPU_FEATURE_FLOAT (1 << 0) |
| #define CPU_FEATURE_FLOAT128 (1 << 1) |
| #define CPU_FEATURE_SWAP (1 << 2) |
| #define CPU_FEATURE_MUL (1 << 3) |
| #define CPU_FEATURE_DIV (1 << 4) |
| #define CPU_FEATURE_FLUSH (1 << 5) |
| #define CPU_FEATURE_FSQRT (1 << 6) |
| #define CPU_FEATURE_FMUL (1 << 7) |
| #define CPU_FEATURE_VIS1 (1 << 8) |
| #define CPU_FEATURE_VIS2 (1 << 9) |
| #define CPU_FEATURE_FSMULD (1 << 10) |
| #define CPU_FEATURE_HYPV (1 << 11) |
| #define CPU_FEATURE_CMT (1 << 12) |
| #define CPU_FEATURE_GL (1 << 13) |
| #ifndef TARGET_SPARC64 |
| #define CPU_DEFAULT_FEATURES (CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | \ |
| CPU_FEATURE_MUL | CPU_FEATURE_DIV | \ |
| CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT | \ |
| CPU_FEATURE_FMUL | CPU_FEATURE_FSMULD) |
| #else |
| #define CPU_DEFAULT_FEATURES (CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | \ |
| CPU_FEATURE_MUL | CPU_FEATURE_DIV | \ |
| CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT | \ |
| CPU_FEATURE_FMUL | CPU_FEATURE_VIS1 | \ |
| CPU_FEATURE_VIS2 | CPU_FEATURE_FSMULD) |
| enum { |
| mmu_us_12, // Ultrasparc < III (64 entry TLB) |
| mmu_us_3, // Ultrasparc III (512 entry TLB) |
| mmu_us_4, // Ultrasparc IV (several TLBs, 32 and 256MB pages) |
| mmu_sun4v, // T1, T2 |
| }; |
| #endif |
| |
| #if defined(TARGET_SPARC64) |
| #define GET_FSR32(env) (env->fsr & 0xcfc1ffff) |
| #define PUT_FSR32(env, val) do { uint32_t _tmp = val; \ |
| env->fsr = (_tmp & 0xcfc1c3ff) | (env->fsr & 0x3f00000000ULL); \ |
| } while (0) |
| #define GET_FSR64(env) (env->fsr & 0x3fcfc1ffffULL) |
| #define PUT_FSR64(env, val) do { uint64_t _tmp = val; \ |
| env->fsr = _tmp & 0x3fcfc1c3ffULL; \ |
| } while (0) |
| #else |
| #define GET_FSR32(env) (env->fsr) |
| #define PUT_FSR32(env, val) do { uint32_t _tmp = val; \ |
| env->fsr = (_tmp & 0xcfc1dfff) | (env->fsr & 0x000e0000); \ |
| } while (0) |
| #endif |
| |
| CPUSPARCState *cpu_sparc_init(const char *cpu_model); |
| void gen_intermediate_code_init(CPUSPARCState *env); |
| int cpu_sparc_exec(CPUSPARCState *s); |
| void sparc_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, |
| ...)); |
| void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu); |
| |
| #define GET_PSR(env) (env->version | (env->psr & PSR_ICC) | \ |
| (env->psref? PSR_EF : 0) | \ |
| (env->psrpil << 8) | \ |
| (env->psrs? PSR_S : 0) | \ |
| (env->psrps? PSR_PS : 0) | \ |
| (env->psret? PSR_ET : 0) | env->cwp) |
| |
| #ifndef NO_CPU_IO_DEFS |
| void cpu_set_cwp(CPUSPARCState *env1, int new_cwp); |
| |
| static inline int cpu_cwp_inc(CPUSPARCState *env1, int cwp) |
| { |
| if (unlikely(cwp >= env1->nwindows)) |
| cwp -= env1->nwindows; |
| return cwp; |
| } |
| |
| static inline int cpu_cwp_dec(CPUSPARCState *env1, int cwp) |
| { |
| if (unlikely(cwp < 0)) |
| cwp += env1->nwindows; |
| return cwp; |
| } |
| #endif |
| |
| #define PUT_PSR(env, val) do { int _tmp = val; \ |
| env->psr = _tmp & PSR_ICC; \ |
| env->psref = (_tmp & PSR_EF)? 1 : 0; \ |
| env->psrpil = (_tmp & PSR_PIL) >> 8; \ |
| env->psrs = (_tmp & PSR_S)? 1 : 0; \ |
| env->psrps = (_tmp & PSR_PS)? 1 : 0; \ |
| env->psret = (_tmp & PSR_ET)? 1 : 0; \ |
| cpu_set_cwp(env, _tmp & PSR_CWP); \ |
| } while (0) |
| |
| #ifdef TARGET_SPARC64 |
| #define GET_CCR(env) (((env->xcc >> 20) << 4) | ((env->psr & PSR_ICC) >> 20)) |
| #define PUT_CCR(env, val) do { int _tmp = val; \ |
| env->xcc = (_tmp >> 4) << 20; \ |
| env->psr = (_tmp & 0xf) << 20; \ |
| } while (0) |
| #define GET_CWP64(env) (env->nwindows - 1 - (env)->cwp) |
| |
| #ifndef NO_CPU_IO_DEFS |
| static inline void PUT_CWP64(CPUSPARCState *env1, int cwp) |
| { |
| if (unlikely(cwp >= env1->nwindows || cwp < 0)) |
| cwp = 0; |
| cpu_set_cwp(env1, env1->nwindows - 1 - cwp); |
| } |
| #endif |
| #endif |
| |
| int cpu_sparc_signal_handler(int host_signum, void *pinfo, void *puc); |
| void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec, |
| int is_asi); |
| void cpu_check_irqs(CPUSPARCState *env); |
| |
| #define CPUState CPUSPARCState |
| #define cpu_init cpu_sparc_init |
| #define cpu_exec cpu_sparc_exec |
| #define cpu_gen_code cpu_sparc_gen_code |
| #define cpu_signal_handler cpu_sparc_signal_handler |
| #define cpu_list sparc_cpu_list |
| |
| #define CPU_SAVE_VERSION 5 |
| |
| /* MMU modes definitions */ |
| #define MMU_MODE0_SUFFIX _user |
| #define MMU_MODE1_SUFFIX _kernel |
| #ifdef TARGET_SPARC64 |
| #define MMU_MODE2_SUFFIX _hypv |
| #endif |
| #define MMU_USER_IDX 0 |
| #define MMU_KERNEL_IDX 1 |
| #define MMU_HYPV_IDX 2 |
| |
| static inline int cpu_mmu_index(CPUState *env1) |
| { |
| #if defined(CONFIG_USER_ONLY) |
| return MMU_USER_IDX; |
| #elif !defined(TARGET_SPARC64) |
| return env1->psrs; |
| #else |
| if (!env1->psrs) |
| return MMU_USER_IDX; |
| else if ((env1->hpstate & HS_PRIV) == 0) |
| return MMU_KERNEL_IDX; |
| else |
| return MMU_HYPV_IDX; |
| #endif |
| } |
| |
| static inline int cpu_fpu_enabled(CPUState *env1) |
| { |
| #if defined(CONFIG_USER_ONLY) |
| return 1; |
| #elif !defined(TARGET_SPARC64) |
| return env1->psref; |
| #else |
| return ((env1->pstate & PS_PEF) != 0) && ((env1->fprs & FPRS_FEF) != 0); |
| #endif |
| } |
| |
| #if defined(CONFIG_USER_ONLY) |
| static inline void cpu_clone_regs(CPUState *env, target_ulong newsp) |
| { |
| if (newsp) |
| env->regwptr[22] = newsp; |
| env->regwptr[0] = 0; |
| /* FIXME: Do we also need to clear CF? */ |
| /* XXXXX */ |
| printf ("HELPME: %s:%d\n", __FILE__, __LINE__); |
| } |
| #endif |
| |
| #define CPU_PC_FROM_TB(env, tb) do { \ |
| env->pc = tb->pc; \ |
| env->npc = tb->cs_base; \ |
| } while(0) |
| |
| #include "cpu-all.h" |
| |
| #endif |
