#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_TMISS 0x09
#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_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_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 (1<<23)
-#define PSR_ZERO (1<<22)
-#define PSR_OVF (1<<21)
-#define PSR_CARRY (1<<20)
+#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 PS_AG (1<<0)
#define FPRS_FEF (1<<2)
+
+#define HS_PRIV (1<<2)
#endif
/* Fcc */
#define FSR_FTT_SEQ_ERROR (4 << 14)
#define FSR_FTT_INVAL_FPR (6 << 14)
-#define FSR_FCC1 (1<<11)
-#define FSR_FCC0 (1<<10)
+#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 MMU_BM (1<<14)
#define PTE_ENTRYTYPE_MASK 3
#define PTE_ACCESS_MASK 0x1c
#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
+/* 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 sparc_def_t sparc_def_t;
+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 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)
+#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
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, 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 */
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 nwindows;
/* NOTE: we allow 8 more registers to handle wrapping */
- target_ulong regbase[NWINDOWS * 16 + 8];
+ target_ulong regbase[MAX_NWINDOWS * 16 + 8];
CPU_COMMON
uint64_t itlb_tte[64];
uint64_t dtlb_tag[64];
uint64_t dtlb_tte[64];
+ uint32_t mmu_version;
#else
- uint32_t mmuregs[16];
+ 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 4
- uint64_t t0, t1, t2;
- uint64_t tpc[MAXTL];
- uint64_t tnpc[MAXTL];
- uint64_t tstate[MAXTL];
- uint32_t tt[MAXTL];
+#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 gsr;
uint32_t gl; // UA2005
/* UA 2005 hyperprivileged registers */
- uint64_t hpstate, htstate[MAXTL], hintp, htba, hver, hstick_cmpr, ssr;
+ uint64_t hpstate, htstate[MAXTL_MAX], hintp, htba, hver, hstick_cmpr, ssr;
void *hstick; // UA 2005
#endif
-#if !defined(TARGET_SPARC64) && !defined(reg_T2)
- target_ulong t2;
-#endif
+ sparc_def_t *def;
} CPUSPARCState;
+
#if defined(TARGET_SPARC64)
#define GET_FSR32(env) (env->fsr & 0xcfc1ffff)
#define PUT_FSR32(env, val) do { uint32_t _tmp = val; \
} while (0)
#endif
-CPUSPARCState *cpu_sparc_init(void);
+CPUSPARCState *cpu_sparc_init(const char *cpu_model);
+void gen_intermediate_code_init(CPUSPARCState *env);
int cpu_sparc_exec(CPUSPARCState *s);
-int cpu_sparc_close(CPUSPARCState *s);
-int sparc_find_by_name (const unsigned char *name, const sparc_def_t **def);
void sparc_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt,
...));
-int cpu_sparc_register (CPUSPARCState *env, const sparc_def_t *def);
+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) | \
#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; \
#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->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)))
+#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 raise_exception(int tt);
void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
int is_asi);
-void do_tick_set_count(void *opaque, uint64_t count);
-uint64_t do_tick_get_count(void *opaque);
-void do_tick_set_limit(void *opaque, uint64_t limit);
void cpu_check_irqs(CPUSPARCState *env);
#define CPUState CPUSPARCState
#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
-#ifndef UREG_I6
-#define UREG_I6 6
+/* MMU modes definitions */
+#define MMU_MODE0_SUFFIX _user
+#define MMU_MODE1_SUFFIX _kernel
+#ifdef TARGET_SPARC64
+#define MMU_MODE2_SUFFIX _hypv
#endif
-#ifndef UREG_FP
-#define UREG_FP UREG_I6
+#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 target_ulong get_sp_from_cpustate(CPUSPARCState *state)
+static inline int cpu_fpu_enabled(CPUState *env1)
{
- return state->regwptr[UREG_FP];
+#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
projects / qemu / blobdiff