[mirror_qemu.git] / target-sparc / cpu.h

#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_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_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_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];
#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 4
    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
    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)
#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)
#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 4

/* 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
Commit	Line	Data
7a3f1944 FB	1	#ifndef CPU_SPARC_H
	2	#define CPU_SPARC_H
	3
af7bf89b FB	4	#include "config.h"
	5
	6	#if !defined(TARGET_SPARC64)
3cf1e035	7	#define TARGET_LONG_BITS 32
af7bf89b	8	#define TARGET_FPREGS 32
83469015	9	#define TARGET_PAGE_BITS 12 /* 4k */
af7bf89b FB	10	#else
	11	#define TARGET_LONG_BITS 64
	12	#define TARGET_FPREGS 64
33b37802	13	#define TARGET_PAGE_BITS 13 /* 8k */
af7bf89b	14	#endif
3cf1e035	15
92b72cbc BS	16	#define TARGET_PHYS_ADDR_BITS 64
92b72cbc BS	17
7a3f1944 FB	18	#include "cpu-defs.h"
7a3f1944 FB	19
7a0e1f41 FB	20	#include "softfloat.h"
7a0e1f41 FB	21
1fddef4b FB	22	#define TARGET_HAS_ICE 1
1fddef4b FB	23
9042c0e2	24	#if !defined(TARGET_SPARC64)
0f8a249a	25	#define ELF_MACHINE EM_SPARC
9042c0e2	26	#else
0f8a249a	27	#define ELF_MACHINE EM_SPARCV9
9042c0e2 TS	28	#endif
9042c0e2 TS	29
7a3f1944 FB	30	/#define EXCP_INTERRUPT 0x100/
7a3f1944 FB	31
cf495bcf	32	/* trap definitions */
3475187d	33	#ifndef TARGET_SPARC64
878d3096	34	#define TT_TFAULT 0x01
cf495bcf	35	#define TT_ILL_INSN 0x02
e8af50a3	36	#define TT_PRIV_INSN 0x03
e80cfcfc	37	#define TT_NFPU_INSN 0x04
cf495bcf	38	#define TT_WIN_OVF 0x05
5fafdf24	39	#define TT_WIN_UNF 0x06
d2889a3e	40	#define TT_UNALIGNED 0x07
e8af50a3	41	#define TT_FP_EXCP 0x08
878d3096	42	#define TT_DFAULT 0x09
e32f879d	43	#define TT_TOVF 0x0a
878d3096	44	#define TT_EXTINT 0x10
1b2e93c1	45	#define TT_CODE_ACCESS 0x21
64a88d5d	46	#define TT_UNIMP_FLUSH 0x25
b4f0a316	47	#define TT_DATA_ACCESS 0x29
cf495bcf	48	#define TT_DIV_ZERO 0x2a
fcc72045	49	#define TT_NCP_INSN 0x24
cf495bcf	50	#define TT_TRAP 0x80
3475187d FB	51	#else
3475187d FB	52	#define TT_TFAULT 0x08
83469015	53	#define TT_TMISS 0x09
1b2e93c1	54	#define TT_CODE_ACCESS 0x0a
3475187d	55	#define TT_ILL_INSN 0x10
64a88d5d	56	#define TT_UNIMP_FLUSH TT_ILL_INSN
3475187d FB	57	#define TT_PRIV_INSN 0x11
	58	#define TT_NFPU_INSN 0x20
	59	#define TT_FP_EXCP 0x21
e32f879d	60	#define TT_TOVF 0x23
3475187d FB	61	#define TT_CLRWIN 0x24
	62	#define TT_DIV_ZERO 0x28
	63	#define TT_DFAULT 0x30
83469015	64	#define TT_DMISS 0x31
b4f0a316 BS	65	#define TT_DATA_ACCESS 0x32
b4f0a316 BS	66	#define TT_DPROT 0x33
d2889a3e	67	#define TT_UNALIGNED 0x34
83469015	68	#define TT_PRIV_ACT 0x37
3475187d FB	69	#define TT_EXTINT 0x40
	70	#define TT_SPILL 0x80
	71	#define TT_FILL 0xc0
	72	#define TT_WOTHER 0x10
	73	#define TT_TRAP 0x100
	74	#endif
7a3f1944	75
4b8b8b76 BS	76	#define PSR_NEG_SHIFT 23
	77	#define PSR_NEG (1 << PSR_NEG_SHIFT)
	78	#define PSR_ZERO_SHIFT 22
	79	#define PSR_ZERO (1 << PSR_ZERO_SHIFT)
	80	#define PSR_OVF_SHIFT 21
	81	#define PSR_OVF (1 << PSR_OVF_SHIFT)
	82	#define PSR_CARRY_SHIFT 20
	83	#define PSR_CARRY (1 << PSR_CARRY_SHIFT)
e8af50a3	84	#define PSR_ICC (PSR_NEG\|PSR_ZERO\|PSR_OVF\|PSR_CARRY)
e80cfcfc FB	85	#define PSR_EF (1<<12)
e80cfcfc FB	86	#define PSR_PIL 0xf00
e8af50a3 FB	87	#define PSR_S (1<<7)
	88	#define PSR_PS (1<<6)
	89	#define PSR_ET (1<<5)
	90	#define PSR_CWP 0x1f
e8af50a3 FB	91
	92	/* Trap base register */
	93	#define TBR_BASE_MASK 0xfffff000
	94
3475187d	95	#if defined(TARGET_SPARC64)
83469015 FB	96	#define PS_IG (1<<11)
83469015 FB	97	#define PS_MG (1<<10)
6ef905f6	98	#define PS_RMO (1<<7)
83469015	99	#define PS_RED (1<<5)
3475187d FB	100	#define PS_PEF (1<<4)
	101	#define PS_AM (1<<3)
	102	#define PS_PRIV (1<<2)
	103	#define PS_IE (1<<1)
83469015	104	#define PS_AG (1<<0)
a80dde08 FB	105
a80dde08 FB	106	#define FPRS_FEF (1<<2)
6f27aba6 BS	107
6f27aba6 BS	108	#define HS_PRIV (1<<2)
3475187d FB	109	#endif
3475187d FB	110
e8af50a3 FB	111	/* Fcc */
	112	#define FSR_RD1 (1<<31)
	113	#define FSR_RD0 (1<<30)
	114	#define FSR_RD_MASK (FSR_RD1 \| FSR_RD0)
	115	#define FSR_RD_NEAREST 0
	116	#define FSR_RD_ZERO FSR_RD0
	117	#define FSR_RD_POS FSR_RD1
	118	#define FSR_RD_NEG (FSR_RD1 \| FSR_RD0)
	119
	120	#define FSR_NVM (1<<27)
	121	#define FSR_OFM (1<<26)
	122	#define FSR_UFM (1<<25)
	123	#define FSR_DZM (1<<24)
	124	#define FSR_NXM (1<<23)
	125	#define FSR_TEM_MASK (FSR_NVM \| FSR_OFM \| FSR_UFM \| FSR_DZM \| FSR_NXM)
	126
	127	#define FSR_NVA (1<<9)
	128	#define FSR_OFA (1<<8)
	129	#define FSR_UFA (1<<7)
	130	#define FSR_DZA (1<<6)
	131	#define FSR_NXA (1<<5)
	132	#define FSR_AEXC_MASK (FSR_NVA \| FSR_OFA \| FSR_UFA \| FSR_DZA \| FSR_NXA)
	133
	134	#define FSR_NVC (1<<4)
	135	#define FSR_OFC (1<<3)
	136	#define FSR_UFC (1<<2)
	137	#define FSR_DZC (1<<1)
	138	#define FSR_NXC (1<<0)
	139	#define FSR_CEXC_MASK (FSR_NVC \| FSR_OFC \| FSR_UFC \| FSR_DZC \| FSR_NXC)
	140
	141	#define FSR_FTT2 (1<<16)
	142	#define FSR_FTT1 (1<<15)
	143	#define FSR_FTT0 (1<<14)
	144	#define FSR_FTT_MASK (FSR_FTT2 \| FSR_FTT1 \| FSR_FTT0)
e80cfcfc FB	145	#define FSR_FTT_IEEE_EXCP (1 << 14)
e80cfcfc FB	146	#define FSR_FTT_UNIMPFPOP (3 << 14)
9143e598	147	#define FSR_FTT_SEQ_ERROR (4 << 14)
e80cfcfc	148	#define FSR_FTT_INVAL_FPR (6 << 14)
e8af50a3	149
4b8b8b76 BS	150	#define FSR_FCC1_SHIFT 11
	151	#define FSR_FCC1 (1 << FSR_FCC1_SHIFT)
	152	#define FSR_FCC0_SHIFT 10
	153	#define FSR_FCC0 (1 << FSR_FCC0_SHIFT)
e8af50a3 FB	154
e8af50a3 FB	155	/* MMU */
0f8a249a BS	156	#define MMU_E (1<<0)
0f8a249a BS	157	#define MMU_NF (1<<1)
e8af50a3 FB	158
	159	#define PTE_ENTRYTYPE_MASK 3
	160	#define PTE_ACCESS_MASK 0x1c
	161	#define PTE_ACCESS_SHIFT 2
8d5f07fa	162	#define PTE_PPN_SHIFT 7
e8af50a3 FB	163	#define PTE_ADDR_MASK 0xffffff00
e8af50a3 FB	164
0f8a249a BS	165	#define PG_ACCESSED_BIT 5
0f8a249a BS	166	#define PG_MODIFIED_BIT 6
e8af50a3 FB	167	#define PG_CACHE_BIT 7
	168
	169	#define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT)
	170	#define PG_MODIFIED_MASK (1 << PG_MODIFIED_BIT)
	171	#define PG_CACHE_MASK (1 << PG_CACHE_BIT)
	172
1a14026e BS	173	/* 3 <= NWINDOWS <= 32. */
	174	#define MIN_NWINDOWS 3
	175	#define MAX_NWINDOWS 32
cf495bcf	176
6f27aba6	177	#if !defined(TARGET_SPARC64)
6ebbf390	178	#define NB_MMU_MODES 2
6f27aba6 BS	179	#else
6f27aba6 BS	180	#define NB_MMU_MODES 3
375ee38b BS	181	typedef struct trap_state {
	182	uint64_t tpc;
	183	uint64_t tnpc;
	184	uint64_t tstate;
	185	uint32_t tt;
	186	} trap_state;
6f27aba6	187	#endif
6ebbf390	188
7a3f1944	189	typedef struct CPUSPARCState {
af7bf89b FB	190	target_ulong gregs[8]; /* general registers */
af7bf89b FB	191	target_ulong regwptr; / pointer to current register window */
af7bf89b FB	192	target_ulong pc; /* program counter */
	193	target_ulong npc; /* next program counter */
	194	target_ulong y; /* multiply/divide register */
dc99a3f2 BS	195
dc99a3f2 BS	196	/* emulator internal flags handling */
d9bdab86	197	target_ulong cc_src, cc_src2;
dc99a3f2 BS	198	target_ulong cc_dst;
dc99a3f2 BS	199
7c60cc4b FB	200	target_ulong t0, t1; /* temporaries live across basic blocks */
	201	target_ulong cond; /* conditional branch result (XXX: save it in a
	202	temporary register when possible) */
	203
cf495bcf	204	uint32_t psr; /* processor state register */
3475187d	205	target_ulong fsr; /* FPU state register */
7c60cc4b	206	float32 fpr[TARGET_FPREGS]; /* floating point registers */
cf495bcf FB	207	uint32_t cwp; /* index of current register window (extracted
	208	from PSR) */
	209	uint32_t wim; /* window invalid mask */
3475187d	210	target_ulong tbr; /* trap base register */
e8af50a3 FB	211	int psrs; /* supervisor mode (extracted from PSR) */
	212	int psrps; /* previous supervisor mode */
	213	int psret; /* enable traps */
327ac2e7 BS	214	uint32_t psrpil; /* interrupt blocking level */
327ac2e7 BS	215	uint32_t pil_in; /* incoming interrupt level bitmap */
e80cfcfc	216	int psref; /* enable fpu */
62724a37	217	target_ulong version;
cf495bcf	218	int interrupt_index;
6d5f237a	219	uint32_t mmu_bm;
3deaeab7 BS	220	uint32_t mmu_ctpr_mask;
	221	uint32_t mmu_cxr_mask;
	222	uint32_t mmu_sfsr_mask;
	223	uint32_t mmu_trcr_mask;
1a14026e	224	uint32_t nwindows;
cf495bcf	225	/* NOTE: we allow 8 more registers to handle wrapping */
1a14026e	226	target_ulong regbase[MAX_NWINDOWS * 16 + 8];
d720b93d	227
a316d335 FB	228	CPU_COMMON
a316d335 FB	229
e8af50a3	230	/* MMU regs */
3475187d FB	231	#if defined(TARGET_SPARC64)
	232	uint64_t lsu;
	233	#define DMMU_E 0x8
	234	#define IMMU_E 0x4
	235	uint64_t immuregs[16];
	236	uint64_t dmmuregs[16];
	237	uint64_t itlb_tag[64];
	238	uint64_t itlb_tte[64];
	239	uint64_t dtlb_tag[64];
	240	uint64_t dtlb_tte[64];
	241	#else
3dd9a152	242	uint32_t mmuregs[32];
952a328f BS	243	uint64_t mxccdata[4];
952a328f BS	244	uint64_t mxccregs[8];
3ebf5aaf	245	uint64_t prom_addr;
3475187d	246	#endif
e8af50a3	247	/* temporary float registers */
65ce8c2f FB	248	float32 ft0, ft1;
65ce8c2f FB	249	float64 dt0, dt1;
1f587329	250	float128 qt0, qt1;
7a0e1f41	251	float_status fp_status;
af7bf89b	252	#if defined(TARGET_SPARC64)
3475187d	253	#define MAXTL 4
375ee38b BS	254	trap_state *tsptr;
375ee38b BS	255	trap_state ts[MAXTL];
0f8a249a	256	uint32_t xcc; /* Extended integer condition codes */
3475187d FB	257	uint32_t asi;
	258	uint32_t pstate;
	259	uint32_t tl;
	260	uint32_t cansave, canrestore, otherwin, wstate, cleanwin;
83469015 FB	261	uint64_t agregs[8]; /* alternate general registers */
	262	uint64_t bgregs[8]; /* backup for normal global registers */
	263	uint64_t igregs[8]; /* interrupt general registers */
	264	uint64_t mgregs[8]; /* mmu general registers */
3475187d	265	uint64_t fprs;
83469015	266	uint64_t tick_cmpr, stick_cmpr;
20c9f095	267	void tick, stick;
725cb90b	268	uint64_t gsr;
e9ebed4d BS	269	uint32_t gl; // UA2005
	270	/* UA 2005 hyperprivileged registers */
	271	uint64_t hpstate, htstate[MAXTL], hintp, htba, hver, hstick_cmpr, ssr;
20c9f095	272	void *hstick; // UA 2005
3475187d	273	#endif
64a88d5d	274	uint32_t features;
7a3f1944	275	} CPUSPARCState;
64a88d5d BS	276
	277	#define CPU_FEATURE_FLOAT (1 << 0)
	278	#define CPU_FEATURE_FLOAT128 (1 << 1)
	279	#define CPU_FEATURE_SWAP (1 << 2)
	280	#define CPU_FEATURE_MUL (1 << 3)
	281	#define CPU_FEATURE_DIV (1 << 4)
	282	#define CPU_FEATURE_FLUSH (1 << 5)
	283	#define CPU_FEATURE_FSQRT (1 << 6)
	284	#define CPU_FEATURE_FMUL (1 << 7)
	285	#define CPU_FEATURE_VIS1 (1 << 8)
	286	#define CPU_FEATURE_VIS2 (1 << 9)
e30b4678	287	#define CPU_FEATURE_FSMULD (1 << 10)
64a88d5d BS	288	#ifndef TARGET_SPARC64
	289	#define CPU_DEFAULT_FEATURES (CPU_FEATURE_FLOAT \| CPU_FEATURE_SWAP \| \
	290	CPU_FEATURE_MUL \| CPU_FEATURE_DIV \| \
	291	CPU_FEATURE_FLUSH \| CPU_FEATURE_FSQRT \| \
e30b4678	292	CPU_FEATURE_FMUL \| CPU_FEATURE_FSMULD)
64a88d5d BS	293	#else
	294	#define CPU_DEFAULT_FEATURES (CPU_FEATURE_FLOAT \| CPU_FEATURE_SWAP \| \
	295	CPU_FEATURE_MUL \| CPU_FEATURE_DIV \| \
	296	CPU_FEATURE_FLUSH \| CPU_FEATURE_FSQRT \| \
	297	CPU_FEATURE_FMUL \| CPU_FEATURE_VIS1 \| \
e30b4678	298	CPU_FEATURE_VIS2 \| CPU_FEATURE_FSMULD)
64a88d5d BS	299	#endif
64a88d5d BS	300
3475187d FB	301	#if defined(TARGET_SPARC64)
3475187d FB	302	#define GET_FSR32(env) (env->fsr & 0xcfc1ffff)
0f8a249a BS	303	#define PUT_FSR32(env, val) do { uint32_t _tmp = val; \
0f8a249a BS	304	env->fsr = (_tmp & 0xcfc1c3ff) \| (env->fsr & 0x3f00000000ULL); \
3475187d FB	305	} while (0)
3475187d FB	306	#define GET_FSR64(env) (env->fsr & 0x3fcfc1ffffULL)
0f8a249a BS	307	#define PUT_FSR64(env, val) do { uint64_t _tmp = val; \
0f8a249a BS	308	env->fsr = _tmp & 0x3fcfc1c3ffULL; \
3475187d	309	} while (0)
3475187d FB	310	#else
3475187d FB	311	#define GET_FSR32(env) (env->fsr)
3e736bf4	312	#define PUT_FSR32(env, val) do { uint32_t _tmp = val; \
9143e598	313	env->fsr = (_tmp & 0xcfc1dfff) \| (env->fsr & 0x000e0000); \
3475187d FB	314	} while (0)
3475187d FB	315	#endif
7a3f1944	316
aaed909a	317	CPUSPARCState cpu_sparc_init(const char cpu_model);
c48fcb47	318	void gen_intermediate_code_init(CPUSPARCState *env);
7a3f1944	319	int cpu_sparc_exec(CPUSPARCState *s);
62724a37 BS	320	void sparc_cpu_list (FILE f, int (cpu_fprintf)(FILE f, const char fmt,
62724a37 BS	321	...));
aaed909a	322	void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu);
7a3f1944	323
62724a37	324	#define GET_PSR(env) (env->version \| (env->psr & PSR_ICC) \| \
0f8a249a BS	325	(env->psref? PSR_EF : 0) \| \
	326	(env->psrpil << 8) \| \
	327	(env->psrs? PSR_S : 0) \| \
	328	(env->psrps? PSR_PS : 0) \| \
	329	(env->psret? PSR_ET : 0) \| env->cwp)
b4ff5987 FB	330
	331	#ifndef NO_CPU_IO_DEFS
	332	void cpu_set_cwp(CPUSPARCState *env1, int new_cwp);
1a14026e BS	333
	334	static inline int cpu_cwp_inc(CPUSPARCState *env1, int cwp)
	335	{
	336	if (unlikely(cwp >= env1->nwindows))
	337	cwp -= env1->nwindows;
	338	return cwp;
	339	}
	340
	341	static inline int cpu_cwp_dec(CPUSPARCState *env1, int cwp)
	342	{
	343	if (unlikely(cwp < 0))
	344	cwp += env1->nwindows;
	345	return cwp;
	346	}
b4ff5987 FB	347	#endif
b4ff5987 FB	348
0f8a249a BS	349	#define PUT_PSR(env, val) do { int _tmp = val; \
	350	env->psr = _tmp & PSR_ICC; \
	351	env->psref = (_tmp & PSR_EF)? 1 : 0; \
	352	env->psrpil = (_tmp & PSR_PIL) >> 8; \
	353	env->psrs = (_tmp & PSR_S)? 1 : 0; \
	354	env->psrps = (_tmp & PSR_PS)? 1 : 0; \
	355	env->psret = (_tmp & PSR_ET)? 1 : 0; \
d4218d99	356	cpu_set_cwp(env, _tmp & PSR_CWP); \
b4ff5987 FB	357	} while (0)
b4ff5987 FB	358
3475187d	359	#ifdef TARGET_SPARC64
17d996e1	360	#define GET_CCR(env) (((env->xcc >> 20) << 4) \| ((env->psr & PSR_ICC) >> 20))
0f8a249a	361	#define PUT_CCR(env, val) do { int _tmp = val; \
77f193da	362	env->xcc = (_tmp >> 4) << 20; \
0f8a249a	363	env->psr = (_tmp & 0xf) << 20; \
3475187d	364	} while (0)
1a14026e BS	365	#define GET_CWP64(env) (env->nwindows - 1 - (env)->cwp)
1a14026e BS	366
0bbd4a0d	367	#ifndef NO_CPU_IO_DEFS
1a14026e BS	368	static inline void PUT_CWP64(CPUSPARCState *env1, int cwp)
	369	{
	370	if (unlikely(cwp >= env1->nwindows \|\| cwp < 0))
	371	cwp = 0;
	372	cpu_set_cwp(env1, env1->nwindows - 1 - cwp);
	373	}
0bbd4a0d	374	#endif
3475187d FB	375	#endif
3475187d FB	376
5a7b542b	377	int cpu_sparc_signal_handler(int host_signum, void pinfo, void puc);
5dcb6b91	378	void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
6c36d3fa	379	int is_asi);
327ac2e7	380	void cpu_check_irqs(CPUSPARCState *env);
7a3f1944	381
9467d44c TS	382	#define CPUState CPUSPARCState
	383	#define cpu_init cpu_sparc_init
	384	#define cpu_exec cpu_sparc_exec
	385	#define cpu_gen_code cpu_sparc_gen_code
	386	#define cpu_signal_handler cpu_sparc_signal_handler
c732abe2	387	#define cpu_list sparc_cpu_list
9467d44c	388
b3c7724c PB	389	#define CPU_SAVE_VERSION 4
b3c7724c PB	390
6ebbf390	391	/* MMU modes definitions */
6f27aba6 BS	392	#define MMU_MODE0_SUFFIX _user
	393	#define MMU_MODE1_SUFFIX _kernel
	394	#ifdef TARGET_SPARC64
	395	#define MMU_MODE2_SUFFIX _hypv
	396	#endif
9e31b9e2 BS	397	#define MMU_USER_IDX 0
	398	#define MMU_KERNEL_IDX 1
	399	#define MMU_HYPV_IDX 2
	400
22548760	401	static inline int cpu_mmu_index(CPUState *env1)
6ebbf390	402	{
6f27aba6	403	#if defined(CONFIG_USER_ONLY)
9e31b9e2	404	return MMU_USER_IDX;
6f27aba6	405	#elif !defined(TARGET_SPARC64)
22548760	406	return env1->psrs;
6f27aba6	407	#else
22548760	408	if (!env1->psrs)
9e31b9e2	409	return MMU_USER_IDX;
22548760	410	else if ((env1->hpstate & HS_PRIV) == 0)
9e31b9e2	411	return MMU_KERNEL_IDX;
6f27aba6	412	else
9e31b9e2	413	return MMU_HYPV_IDX;
6f27aba6 BS	414	#endif
	415	}
	416
22548760	417	static inline int cpu_fpu_enabled(CPUState *env1)
6f27aba6 BS	418	{
	419	#if defined(CONFIG_USER_ONLY)
	420	return 1;
	421	#elif !defined(TARGET_SPARC64)
22548760	422	return env1->psref;
6f27aba6	423	#else
22548760	424	return ((env1->pstate & PS_PEF) != 0) && ((env1->fprs & FPRS_FEF) != 0);
6f27aba6	425	#endif
6ebbf390 JM	426	}
6ebbf390 JM	427
6e68e076 PB	428	#if defined(CONFIG_USER_ONLY)
	429	static inline void cpu_clone_regs(CPUState *env, target_ulong newsp)
	430	{
f8ed7070	431	if (newsp)
6e68e076 PB	432	env->regwptr[22] = newsp;
	433	env->regwptr[0] = 0;
	434	/* FIXME: Do we also need to clear CF? */
	435	/* XXXXX */
	436	printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
	437	}
	438	#endif
	439
2e70f6ef PB	440	#define CPU_PC_FROM_TB(env, tb) do { \
	441	env->pc = tb->pc; \
	442	env->npc = tb->cs_base; \
	443	} while(0)
	444
7a3f1944 FB	445	#include "cpu-all.h"
	446
	447	#endif