#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_DATA_ACCESS 0x29 #define TT_DIV_ZERO 0x2a #define TT_NCP_INSN 0x24 #define TT_TRAP 0x80 #else #define TT_TFAULT 0x08 #define TT_TMISS 0x09 #define TT_CODE_ACCESS 0x0a #define TT_ILL_INSN 0x10 #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_DMISS 0x31 #define TT_DATA_ACCESS 0x32 #define TT_DPROT 0x33 #define TT_UNALIGNED 0x34 #define TT_PRIV_ACT 0x37 #define TT_EXTINT 0x40 #define TT_SPILL 0x80 #define TT_FILL 0xc0 #define TT_WOTHER 0x10 #define TT_TRAP 0x100 #endif #define PSR_NEG (1<<23) #define PSR_ZERO (1<<22) #define PSR_OVF (1<<21) #define PSR_CARRY (1<<20) #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 (1<<11) #define FSR_FCC0 (1<<10) /* 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) /* 2 <= NWINDOWS <= 32. In QEMU it must also be a power of two. */ #define NWINDOWS 8 #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 */ float32 fpr[TARGET_FPREGS]; /* floating point registers */ 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; target_ulong cc_dst; uint32_t psr; /* processor state register */ target_ulong fsr; /* FPU state register */ 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; jmp_buf jmp_env; int user_mode_only; int exception_index; int interrupt_index; int interrupt_request; int halted; uint32_t mmu_bm; uint32_t mmu_ctpr_mask; uint32_t mmu_cxr_mask; uint32_t mmu_sfsr_mask; uint32_t mmu_trcr_mask; /* NOTE: we allow 8 more registers to handle wrapping */ target_ulong regbase[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]; #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; #if defined(CONFIG_USER_ONLY) float128 qt0, qt1; #endif float_status fp_status; #if defined(TARGET_SPARC64) #define MAXTL 4 uint64_t t0, t1, t2; trap_state *tsptr; trap_state ts[MAXTL]; uint32_t xcc; /* Extended integer condition codes */ uint32_t asi; uint32_t pstate; uint32_t tl; 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], hintp, htba, hver, hstick_cmpr, ssr; void *hstick; // UA 2005 #endif #if !defined(TARGET_SPARC64) && !defined(reg_T2) target_ulong t2; #endif } CPUSPARCState; #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); int cpu_sparc_exec(CPUSPARCState *s); int cpu_sparc_close(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); #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) (NWINDOWS - 1 - (env)->cwp) #define PUT_CWP64(env, val) \ cpu_set_cwp(env, NWINDOWS - 1 - ((val) & (NWINDOWS - 1))) #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 /* 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 *env) { #if defined(CONFIG_USER_ONLY) return MMU_USER_IDX; #elif !defined(TARGET_SPARC64) return env->psrs; #else if (!env->psrs) return MMU_USER_IDX; else if ((env->hpstate & HS_PRIV) == 0) return MMU_KERNEL_IDX; else return MMU_HYPV_IDX; #endif } static inline int cpu_fpu_enabled(CPUState *env) { #if defined(CONFIG_USER_ONLY) return 1; #elif !defined(TARGET_SPARC64) return env->psref; #else return ((env->pstate & PS_PEF) != 0) && ((env->fprs & FPRS_FEF) != 0); #endif } #include "cpu-all.h" #endif