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Diffstat (limited to 'target/sparc/cpu.h')
| -rw-r--r-- | target/sparc/cpu.h | 779 |
1 files changed, 779 insertions, 0 deletions
diff --git a/target/sparc/cpu.h b/target/sparc/cpu.h new file mode 100644 index 0000000000..5fb0ed1aad --- /dev/null +++ b/target/sparc/cpu.h @@ -0,0 +1,779 @@ +#ifndef SPARC_CPU_H +#define SPARC_CPU_H + +#include "qemu-common.h" +#include "qemu/bswap.h" +#include "cpu-qom.h" + +#define ALIGNED_ONLY + +#if !defined(TARGET_SPARC64) +#define TARGET_LONG_BITS 32 +#define TARGET_DPREGS 16 +#define TARGET_PAGE_BITS 12 /* 4k */ +#define TARGET_PHYS_ADDR_SPACE_BITS 36 +#define TARGET_VIRT_ADDR_SPACE_BITS 32 +#else +#define TARGET_LONG_BITS 64 +#define TARGET_DPREGS 32 +#define TARGET_PAGE_BITS 13 /* 8k */ +#define TARGET_PHYS_ADDR_SPACE_BITS 41 +# ifdef TARGET_ABI32 +# define TARGET_VIRT_ADDR_SPACE_BITS 32 +# else +# define TARGET_VIRT_ADDR_SPACE_BITS 44 +# endif +#endif + +#define CPUArchState struct CPUSPARCState + +#include "exec/cpu-defs.h" + +#include "fpu/softfloat.h" + +/*#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_POWER_ON_RESET 0x01 +#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 (1 << 5) +#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) +#if !defined(TARGET_SPARC64) +#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 +#endif + +#define CC_SRC (env->cc_src) +#define CC_SRC2 (env->cc_src2) +#define CC_DST (env->cc_dst) +#define CC_OP (env->cc_op) + +/* Even though lazy evaluation of CPU condition codes tends to be less + * important on RISC systems where condition codes are only updated + * when explicitly requested, SPARC uses it to update 32-bit and 64-bit + * condition codes. + */ +enum { + CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */ + CC_OP_FLAGS, /* all cc are back in status register */ + CC_OP_DIV, /* modify N, Z and V, C = 0*/ + CC_OP_ADD, /* modify all flags, CC_DST = res, CC_SRC = src1 */ + CC_OP_ADDX, /* modify all flags, CC_DST = res, CC_SRC = src1 */ + CC_OP_TADD, /* modify all flags, CC_DST = res, CC_SRC = src1 */ + CC_OP_TADDTV, /* modify all flags except V, CC_DST = res, CC_SRC = src1 */ + CC_OP_SUB, /* modify all flags, CC_DST = res, CC_SRC = src1 */ + CC_OP_SUBX, /* modify all flags, CC_DST = res, CC_SRC = src1 */ + CC_OP_TSUB, /* modify all flags, CC_DST = res, CC_SRC = src1 */ + CC_OP_TSUBTV, /* modify all flags except V, CC_DST = res, CC_SRC = src1 */ + CC_OP_LOGIC, /* modify N and Z, C = V = 0, CC_DST = res */ + CC_OP_NB, +}; + +/* Trap base register */ +#define TBR_BASE_MASK 0xfffff000 + +#if defined(TARGET_SPARC64) +#define PS_TCT (1<<12) /* UA2007, impl.dep. trap on control transfer */ +#define PS_IG (1<<11) /* v9, zero on UA2007 */ +#define PS_MG (1<<10) /* v9, zero on UA2007 */ +#define PS_CLE (1<<9) /* UA2007 */ +#define PS_TLE (1<<8) /* UA2007 */ +#define PS_RMO (1<<7) +#define PS_RED (1<<5) /* v9, zero on UA2007 */ +#define PS_PEF (1<<4) /* enable fpu */ +#define PS_AM (1<<3) /* address mask */ +#define PS_PRIV (1<<2) +#define PS_IE (1<<1) +#define PS_AG (1<<0) /* v9, zero on UA2007 */ + +#define FPRS_FEF (1<<2) + +#define HS_PRIV (1<<2) +#endif + +/* Fcc */ +#define FSR_RD1 (1ULL << 31) +#define FSR_RD0 (1ULL << 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 (1ULL << 27) +#define FSR_OFM (1ULL << 26) +#define FSR_UFM (1ULL << 25) +#define FSR_DZM (1ULL << 24) +#define FSR_NXM (1ULL << 23) +#define FSR_TEM_MASK (FSR_NVM | FSR_OFM | FSR_UFM | FSR_DZM | FSR_NXM) + +#define FSR_NVA (1ULL << 9) +#define FSR_OFA (1ULL << 8) +#define FSR_UFA (1ULL << 7) +#define FSR_DZA (1ULL << 6) +#define FSR_NXA (1ULL << 5) +#define FSR_AEXC_MASK (FSR_NVA | FSR_OFA | FSR_UFA | FSR_DZA | FSR_NXA) + +#define FSR_NVC (1ULL << 4) +#define FSR_OFC (1ULL << 3) +#define FSR_UFC (1ULL << 2) +#define FSR_DZC (1ULL << 1) +#define FSR_NXC (1ULL << 0) +#define FSR_CEXC_MASK (FSR_NVC | FSR_OFC | FSR_UFC | FSR_DZC | FSR_NXC) + +#define FSR_FTT2 (1ULL << 16) +#define FSR_FTT1 (1ULL << 15) +#define FSR_FTT0 (1ULL << 14) +//gcc warns about constant overflow for ~FSR_FTT_MASK +//#define FSR_FTT_MASK (FSR_FTT2 | FSR_FTT1 | FSR_FTT0) +#ifdef TARGET_SPARC64 +#define FSR_FTT_NMASK 0xfffffffffffe3fffULL +#define FSR_FTT_CEXC_NMASK 0xfffffffffffe3fe0ULL +#define FSR_LDFSR_OLDMASK 0x0000003f000fc000ULL +#define FSR_LDXFSR_MASK 0x0000003fcfc00fffULL +#define FSR_LDXFSR_OLDMASK 0x00000000000fc000ULL +#else +#define FSR_FTT_NMASK 0xfffe3fffULL +#define FSR_FTT_CEXC_NMASK 0xfffe3fe0ULL +#define FSR_LDFSR_OLDMASK 0x000fc000ULL +#endif +#define FSR_LDFSR_MASK 0xcfc00fffULL +#define FSR_FTT_IEEE_EXCP (1ULL << 14) +#define FSR_FTT_UNIMPFPOP (3ULL << 14) +#define FSR_FTT_SEQ_ERROR (4ULL << 14) +#define FSR_FTT_INVAL_FPR (6ULL << 14) + +#define FSR_FCC1_SHIFT 11 +#define FSR_FCC1 (1ULL << FSR_FCC1_SHIFT) +#define FSR_FCC0_SHIFT 10 +#define FSR_FCC0 (1ULL << 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 3 +#else +#define NB_MMU_MODES 7 +typedef struct trap_state { + uint64_t tpc; + uint64_t tnpc; + uint64_t tstate; + uint32_t tt; +} trap_state; +#endif +#define TARGET_INSN_START_EXTRA_WORDS 1 + +typedef struct sparc_def_t { + const char *name; + target_ulong iu_version; + uint32_t fpu_version; + uint32_t mmu_version; + 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 mxcc_version; + uint32_t features; + uint32_t nwindows; + uint32_t maxtl; +} sparc_def_t; + +#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) +#define CPU_FEATURE_TA0_SHUTDOWN (1 << 14) /* Shutdown on "ta 0x0" */ +#define CPU_FEATURE_ASR17 (1 << 15) +#define CPU_FEATURE_CACHE_CTRL (1 << 16) +#define CPU_FEATURE_POWERDOWN (1 << 17) +#define CPU_FEATURE_CASA (1 << 18) + +#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 | \ + CPU_FEATURE_CASA) +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 + +#define TTE_VALID_BIT (1ULL << 63) +#define TTE_NFO_BIT (1ULL << 60) +#define TTE_USED_BIT (1ULL << 41) +#define TTE_LOCKED_BIT (1ULL << 6) +#define TTE_SIDEEFFECT_BIT (1ULL << 3) +#define TTE_PRIV_BIT (1ULL << 2) +#define TTE_W_OK_BIT (1ULL << 1) +#define TTE_GLOBAL_BIT (1ULL << 0) + +#define TTE_IS_VALID(tte) ((tte) & TTE_VALID_BIT) +#define TTE_IS_NFO(tte) ((tte) & TTE_NFO_BIT) +#define TTE_IS_USED(tte) ((tte) & TTE_USED_BIT) +#define TTE_IS_LOCKED(tte) ((tte) & TTE_LOCKED_BIT) +#define TTE_IS_SIDEEFFECT(tte) ((tte) & TTE_SIDEEFFECT_BIT) +#define TTE_IS_PRIV(tte) ((tte) & TTE_PRIV_BIT) +#define TTE_IS_W_OK(tte) ((tte) & TTE_W_OK_BIT) +#define TTE_IS_GLOBAL(tte) ((tte) & TTE_GLOBAL_BIT) + +#define TTE_SET_USED(tte) ((tte) |= TTE_USED_BIT) +#define TTE_SET_UNUSED(tte) ((tte) &= ~TTE_USED_BIT) + +#define TTE_PGSIZE(tte) (((tte) >> 61) & 3ULL) +#define TTE_PA(tte) ((tte) & 0x1ffffffe000ULL) + +#define SFSR_NF_BIT (1ULL << 24) /* JPS1 NoFault */ +#define SFSR_TM_BIT (1ULL << 15) /* JPS1 TLB Miss */ +#define SFSR_FT_VA_IMMU_BIT (1ULL << 13) /* USIIi VA out of range (IMMU) */ +#define SFSR_FT_VA_DMMU_BIT (1ULL << 12) /* USIIi VA out of range (DMMU) */ +#define SFSR_FT_NFO_BIT (1ULL << 11) /* NFO page access */ +#define SFSR_FT_ILL_BIT (1ULL << 10) /* illegal LDA/STA ASI */ +#define SFSR_FT_ATOMIC_BIT (1ULL << 9) /* atomic op on noncacheable area */ +#define SFSR_FT_NF_E_BIT (1ULL << 8) /* NF access on side effect area */ +#define SFSR_FT_PRIV_BIT (1ULL << 7) /* privilege violation */ +#define SFSR_PR_BIT (1ULL << 3) /* privilege mode */ +#define SFSR_WRITE_BIT (1ULL << 2) /* write access mode */ +#define SFSR_OW_BIT (1ULL << 1) /* status overwritten */ +#define SFSR_VALID_BIT (1ULL << 0) /* status valid */ + +#define SFSR_ASI_SHIFT 16 /* 23:16 ASI value */ +#define SFSR_ASI_MASK (0xffULL << SFSR_ASI_SHIFT) +#define SFSR_CT_PRIMARY (0ULL << 4) /* 5:4 context type */ +#define SFSR_CT_SECONDARY (1ULL << 4) +#define SFSR_CT_NUCLEUS (2ULL << 4) +#define SFSR_CT_NOTRANS (3ULL << 4) +#define SFSR_CT_MASK (3ULL << 4) + +/* Leon3 cache control */ + +/* Cache control: emulate the behavior of cache control registers but without + any effect on the emulated */ + +#define CACHE_STATE_MASK 0x3 +#define CACHE_DISABLED 0x0 +#define CACHE_FROZEN 0x1 +#define CACHE_ENABLED 0x3 + +/* Cache Control register fields */ + +#define CACHE_CTRL_IF (1 << 4) /* Instruction Cache Freeze on Interrupt */ +#define CACHE_CTRL_DF (1 << 5) /* Data Cache Freeze on Interrupt */ +#define CACHE_CTRL_DP (1 << 14) /* Data cache flush pending */ +#define CACHE_CTRL_IP (1 << 15) /* Instruction cache flush pending */ +#define CACHE_CTRL_IB (1 << 16) /* Instruction burst fetch */ +#define CACHE_CTRL_FI (1 << 21) /* Flush Instruction cache (Write only) */ +#define CACHE_CTRL_FD (1 << 22) /* Flush Data cache (Write only) */ +#define CACHE_CTRL_DS (1 << 23) /* Data cache snoop enable */ + +typedef struct SparcTLBEntry { + uint64_t tag; + uint64_t tte; +} SparcTLBEntry; + +struct CPUTimer +{ + const char *name; + uint32_t frequency; + uint32_t disabled; + uint64_t disabled_mask; + uint32_t npt; + uint64_t npt_mask; + int64_t clock_offset; + QEMUTimer *qtimer; +}; + +typedef struct CPUTimer CPUTimer; + +typedef struct CPUSPARCState CPUSPARCState; + +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; + uint32_t cc_op; + + 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 */ + CPU_DoubleU fpr[TARGET_DPREGS]; /* floating point registers */ + uint32_t cwp; /* index of current register window (extracted + from PSR) */ +#if !defined(TARGET_SPARC64) || defined(TARGET_ABI32) + uint32_t wim; /* window invalid mask */ +#endif + target_ulong tbr; /* trap base register */ +#if !defined(TARGET_SPARC64) + int psrs; /* supervisor mode (extracted from PSR) */ + int psrps; /* previous supervisor mode */ + int psret; /* enable traps */ +#endif + uint32_t psrpil; /* interrupt blocking level */ + uint32_t pil_in; /* incoming interrupt level bitmap */ +#if !defined(TARGET_SPARC64) + int psref; /* enable fpu */ +#endif + int interrupt_index; + /* NOTE: we allow 8 more registers to handle wrapping */ + target_ulong regbase[MAX_NWINDOWS * 16 + 8]; + + CPU_COMMON + + /* Fields from here on are preserved across CPU reset. */ + target_ulong version; + uint32_t nwindows; + + /* MMU regs */ +#if defined(TARGET_SPARC64) + uint64_t lsu; +#define DMMU_E 0x8 +#define IMMU_E 0x4 + //typedef struct SparcMMU + union { + uint64_t immuregs[16]; + struct { + uint64_t tsb_tag_target; + uint64_t unused_mmu_primary_context; // use DMMU + uint64_t unused_mmu_secondary_context; // use DMMU + uint64_t sfsr; + uint64_t sfar; + uint64_t tsb; + uint64_t tag_access; + } immu; + }; + union { + uint64_t dmmuregs[16]; + struct { + uint64_t tsb_tag_target; + uint64_t mmu_primary_context; + uint64_t mmu_secondary_context; + uint64_t sfsr; + uint64_t sfar; + uint64_t tsb; + uint64_t tag_access; + } dmmu; + }; + SparcTLBEntry itlb[64]; + SparcTLBEntry dtlb[64]; + uint32_t mmu_version; +#else + uint32_t mmuregs[32]; + uint64_t mxccdata[4]; + uint64_t mxccregs[8]; + uint32_t mmubpctrv, mmubpctrc, mmubpctrs; + uint64_t mmubpaction; + uint64_t mmubpregs[4]; + uint64_t prom_addr; +#endif + /* temporary float registers */ + float128 qt0, qt1; + float_status fp_status; +#if defined(TARGET_SPARC64) +#define MAXTL_MAX 8 +#define MAXTL_MASK (MAXTL_MAX - 1) + 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; + CPUTimer *tick, *stick; +#define TICK_NPT_MASK 0x8000000000000000ULL +#define TICK_INT_DIS 0x8000000000000000ULL + uint64_t gsr; + uint32_t gl; // UA2005 + /* UA 2005 hyperprivileged registers */ + uint64_t hpstate, htstate[MAXTL_MAX], hintp, htba, hver, hstick_cmpr, ssr; + CPUTimer *hstick; // UA 2005 + /* Interrupt vector registers */ + uint64_t ivec_status; + uint64_t ivec_data[3]; + uint32_t softint; +#define SOFTINT_TIMER 1 +#define SOFTINT_STIMER (1 << 16) +#define SOFTINT_INTRMASK (0xFFFE) +#define SOFTINT_REG_MASK (SOFTINT_STIMER|SOFTINT_INTRMASK|SOFTINT_TIMER) +#endif + sparc_def_t *def; + + void *irq_manager; + void (*qemu_irq_ack)(CPUSPARCState *env, void *irq_manager, int intno); + + /* Leon3 cache control */ + uint32_t cache_control; +}; + +/** + * SPARCCPU: + * @env: #CPUSPARCState + * + * A SPARC CPU. + */ +struct SPARCCPU { + /*< private >*/ + CPUState parent_obj; + /*< public >*/ + + CPUSPARCState env; +}; + +static inline SPARCCPU *sparc_env_get_cpu(CPUSPARCState *env) +{ + return container_of(env, SPARCCPU, env); +} + +#define ENV_GET_CPU(e) CPU(sparc_env_get_cpu(e)) + +#define ENV_OFFSET offsetof(SPARCCPU, env) + +#ifndef CONFIG_USER_ONLY +extern const struct VMStateDescription vmstate_sparc_cpu; +#endif + +void sparc_cpu_do_interrupt(CPUState *cpu); +void sparc_cpu_dump_state(CPUState *cpu, FILE *f, + fprintf_function cpu_fprintf, int flags); +hwaddr sparc_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr); +int sparc_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg); +int sparc_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg); +void QEMU_NORETURN sparc_cpu_do_unaligned_access(CPUState *cpu, vaddr addr, + MMUAccessType access_type, + int mmu_idx, + uintptr_t retaddr); +void cpu_raise_exception_ra(CPUSPARCState *, int, uintptr_t) QEMU_NORETURN; + +#ifndef NO_CPU_IO_DEFS +/* cpu_init.c */ +SPARCCPU *cpu_sparc_init(const char *cpu_model); +void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu); +void sparc_cpu_list(FILE *f, fprintf_function cpu_fprintf); +/* mmu_helper.c */ +int sparc_cpu_handle_mmu_fault(CPUState *cpu, vaddr address, int rw, + int mmu_idx); +target_ulong mmu_probe(CPUSPARCState *env, target_ulong address, int mmulev); +void dump_mmu(FILE *f, fprintf_function cpu_fprintf, CPUSPARCState *env); + +#if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) +int sparc_cpu_memory_rw_debug(CPUState *cpu, vaddr addr, + uint8_t *buf, int len, bool is_write); +#endif + + +/* translate.c */ +void gen_intermediate_code_init(CPUSPARCState *env); + +/* cpu-exec.c */ + +/* win_helper.c */ +target_ulong cpu_get_psr(CPUSPARCState *env1); +void cpu_put_psr(CPUSPARCState *env1, target_ulong val); +void cpu_put_psr_raw(CPUSPARCState *env1, target_ulong val); +#ifdef TARGET_SPARC64 +target_ulong cpu_get_ccr(CPUSPARCState *env1); +void cpu_put_ccr(CPUSPARCState *env1, target_ulong val); +target_ulong cpu_get_cwp64(CPUSPARCState *env1); +void cpu_put_cwp64(CPUSPARCState *env1, int cwp); +void cpu_change_pstate(CPUSPARCState *env1, uint32_t new_pstate); +#endif +int cpu_cwp_inc(CPUSPARCState *env1, int cwp); +int cpu_cwp_dec(CPUSPARCState *env1, int cwp); +void cpu_set_cwp(CPUSPARCState *env1, int new_cwp); + +/* int_helper.c */ +void leon3_irq_manager(CPUSPARCState *env, void *irq_manager, int intno); + +/* sun4m.c, sun4u.c */ +void cpu_check_irqs(CPUSPARCState *env); + +/* leon3.c */ +void leon3_irq_ack(void *irq_manager, int intno); + +#if defined (TARGET_SPARC64) + +static inline int compare_masked(uint64_t x, uint64_t y, uint64_t mask) +{ + return (x & mask) == (y & mask); +} + +#define MMU_CONTEXT_BITS 13 +#define MMU_CONTEXT_MASK ((1 << MMU_CONTEXT_BITS) - 1) + +static inline int tlb_compare_context(const SparcTLBEntry *tlb, + uint64_t context) +{ + return compare_masked(context, tlb->tag, MMU_CONTEXT_MASK); +} + +#endif +#endif + +/* cpu-exec.c */ +#if !defined(CONFIG_USER_ONLY) +void sparc_cpu_unassigned_access(CPUState *cpu, hwaddr addr, + bool is_write, bool is_exec, int is_asi, + unsigned size); +#if defined(TARGET_SPARC64) +hwaddr cpu_get_phys_page_nofault(CPUSPARCState *env, target_ulong addr, + int mmu_idx); +#endif +#endif +int cpu_sparc_signal_handler(int host_signum, void *pinfo, void *puc); + +#ifndef NO_CPU_IO_DEFS +#define cpu_init(cpu_model) CPU(cpu_sparc_init(cpu_model)) +#endif + +#define cpu_signal_handler cpu_sparc_signal_handler +#define cpu_list sparc_cpu_list + +/* MMU modes definitions */ +#if defined (TARGET_SPARC64) +#define MMU_USER_IDX 0 +#define MMU_USER_SECONDARY_IDX 1 +#define MMU_KERNEL_IDX 2 +#define MMU_KERNEL_SECONDARY_IDX 3 +#define MMU_NUCLEUS_IDX 4 +#define MMU_HYPV_IDX 5 +#define MMU_PHYS_IDX 6 +#else +#define MMU_USER_IDX 0 +#define MMU_KERNEL_IDX 1 +#define MMU_PHYS_IDX 2 +#endif + +#if defined (TARGET_SPARC64) +static inline int cpu_has_hypervisor(CPUSPARCState *env1) +{ + return env1->def->features & CPU_FEATURE_HYPV; +} + +static inline int cpu_hypervisor_mode(CPUSPARCState *env1) +{ + return cpu_has_hypervisor(env1) && (env1->hpstate & HS_PRIV); +} + +static inline int cpu_supervisor_mode(CPUSPARCState *env1) +{ + return env1->pstate & PS_PRIV; +} +#endif + +static inline int cpu_mmu_index(CPUSPARCState *env, bool ifetch) +{ +#if defined(CONFIG_USER_ONLY) + return MMU_USER_IDX; +#elif !defined(TARGET_SPARC64) + if ((env->mmuregs[0] & MMU_E) == 0) { /* MMU disabled */ + return MMU_PHYS_IDX; + } else { + return env->psrs; + } +#else + /* IMMU or DMMU disabled. */ + if (ifetch + ? (env->lsu & IMMU_E) == 0 || (env->pstate & PS_RED) != 0 + : (env->lsu & DMMU_E) == 0) { + return MMU_PHYS_IDX; + } else if (env->tl > 0) { + return MMU_NUCLEUS_IDX; + } else if (cpu_hypervisor_mode(env)) { + return MMU_HYPV_IDX; + } else if (cpu_supervisor_mode(env)) { + return MMU_KERNEL_IDX; + } else { + return MMU_USER_IDX; + } +#endif +} + +static inline int cpu_interrupts_enabled(CPUSPARCState *env1) +{ +#if !defined (TARGET_SPARC64) + if (env1->psret != 0) + return 1; +#else + if (env1->pstate & PS_IE) + return 1; +#endif + + return 0; +} + +static inline int cpu_pil_allowed(CPUSPARCState *env1, int pil) +{ +#if !defined(TARGET_SPARC64) + /* level 15 is non-maskable on sparc v8 */ + return pil == 15 || pil > env1->psrpil; +#else + return pil > env1->psrpil; +#endif +} + +#include "exec/cpu-all.h" + +#ifdef TARGET_SPARC64 +/* sun4u.c */ +void cpu_tick_set_count(CPUTimer *timer, uint64_t count); +uint64_t cpu_tick_get_count(CPUTimer *timer); +void cpu_tick_set_limit(CPUTimer *timer, uint64_t limit); +trap_state* cpu_tsptr(CPUSPARCState* env); +#endif + +#define TB_FLAG_MMU_MASK 7 +#define TB_FLAG_FPU_ENABLED (1 << 4) +#define TB_FLAG_AM_ENABLED (1 << 5) +#define TB_FLAG_ASI_SHIFT 24 + +static inline void cpu_get_tb_cpu_state(CPUSPARCState *env, target_ulong *pc, + target_ulong *cs_base, uint32_t *pflags) +{ + uint32_t flags; + *pc = env->pc; + *cs_base = env->npc; + flags = cpu_mmu_index(env, false); +#ifdef TARGET_SPARC64 + if (env->pstate & PS_AM) { + flags |= TB_FLAG_AM_ENABLED; + } + if ((env->def->features & CPU_FEATURE_FLOAT) + && (env->pstate & PS_PEF) + && (env->fprs & FPRS_FEF)) { + flags |= TB_FLAG_FPU_ENABLED; + } + flags |= env->asi << TB_FLAG_ASI_SHIFT; +#else + if ((env->def->features & CPU_FEATURE_FLOAT) && env->psref) { + flags |= TB_FLAG_FPU_ENABLED; + } +#endif + *pflags = flags; +} + +static inline bool tb_fpu_enabled(int tb_flags) +{ +#if defined(CONFIG_USER_ONLY) + return true; +#else + return tb_flags & TB_FLAG_FPU_ENABLED; +#endif +} + +static inline bool tb_am_enabled(int tb_flags) +{ +#ifndef TARGET_SPARC64 + return false; +#else + return tb_flags & TB_FLAG_AM_ENABLED; +#endif +} + +#endif |