Archipelago » qemu

/* the symbols are considered non exported so a br immediate is generated */

#define __hidden __attribute__((visibility("hidden")))

#else

#define __hidden 

#endif

#ifdef __alpha__

extern int __op_param1 __hidden;

extern int __op_param2 __hidden;

extern int __op_param3 __hidden;

void __hidden cpu_lock(void);

void __hidden cpu_unlock(void);

void __hidden cpu_loop_exit(void);

void raise_interrupt(int intno, int is_int, int error_code, 

                     unsigned int next_eip);

void raise_exception_err(int exception_index, int error_code);

void raise_exception(int exception_index);

void helper_cpuid(void);

void helper_lsl(void);

void helper_lar(void);

#ifdef USE_X86LDOUBLE

/* use long double functions */

#define lrint lrintl

#define llrint llrintl

#define fabs fabsl

#define sin sinl

#define cos cosl

#define sqrt sqrtl

#define pow powl

#define log logl

#define tan tanl

#define atan2 atan2l

#define floor floorl

#define ceil ceill

#define rint rintl

#endif

extern int lrint(CPU86_LDouble x);

extern int64_t llrint(CPU86_LDouble x);

extern CPU86_LDouble fabs(CPU86_LDouble x);

extern CPU86_LDouble sin(CPU86_LDouble x);

extern CPU86_LDouble cos(CPU86_LDouble x);

extern CPU86_LDouble sqrt(CPU86_LDouble x);

extern CPU86_LDouble pow(CPU86_LDouble, CPU86_LDouble);

extern CPU86_LDouble log(CPU86_LDouble x);

extern CPU86_LDouble tan(CPU86_LDouble x);

extern CPU86_LDouble atan2(CPU86_LDouble, CPU86_LDouble);

extern CPU86_LDouble floor(CPU86_LDouble x);

extern CPU86_LDouble ceil(CPU86_LDouble x);

extern CPU86_LDouble rint(CPU86_LDouble x);

#define RC_MASK         0xc00

#define RC_NEAR		0x000

#define RC_DOWN		0x400

#define RC_UP		0x800

#define RC_CHOP		0xc00

#define MAXTAN 9223372036854775808.0

#ifdef USE_X86LDOUBLE

/* only for x86 */

typedef union {

    long double d;

    struct {

        unsigned long long lower;

        unsigned short upper;

    } l;

} CPU86_LDoubleU;

/* the following deal with x86 long double-precision numbers */

#define MAXEXPD 0x7fff

#define EXPBIAS 16383

#define EXPD(fp)	(fp.l.upper & 0x7fff)

#define SIGND(fp)	((fp.l.upper) & 0x8000)

#define MANTD(fp)       (fp.l.lower)

#define BIASEXPONENT(fp) fp.l.upper = (fp.l.upper & ~(0x7fff)) | EXPBIAS

#else

typedef union {

    double d;

#ifndef WORDS_BIGENDIAN

    struct {

        uint32_t lower;

        int32_t upper;

    } l;

#else

    struct {

        int32_t upper;

        uint32_t lower;

    } l;

#endif

    int64_t ll;

} CPU86_LDoubleU;

/* the following deal with IEEE double-precision numbers */

#define MAXEXPD 0x7ff

#define EXPBIAS 1023

#define EXPD(fp)	(((fp.l.upper) >> 20) & 0x7FF)

#define SIGND(fp)	((fp.l.upper) & 0x80000000)

#define MANTD(fp)	(fp.ll & ((1LL << 52) - 1))

#define BIASEXPONENT(fp) fp.l.upper = (fp.l.upper & ~(0x7ff << 20)) | (EXPBIAS << 20)

#endif

static inline void fpush(void)

{

    env->fpstt = (env->fpstt - 1) & 7;

    env->fptags[env->fpstt] = 0; /* validate stack entry */

}

static inline void fpop(void)

{

    env->fptags[env->fpstt] = 1; /* invvalidate stack entry */

    env->fpstt = (env->fpstt + 1) & 7;

}

#ifndef USE_X86LDOUBLE

static inline CPU86_LDouble helper_fldt(uint8_t *ptr)

{

    CPU86_LDoubleU temp;

    int upper, e;

    /* mantissa */

    upper = lduw(ptr + 8);

    /* XXX: handle overflow ? */

    e = (upper & 0x7fff) - 16383 + EXPBIAS; /* exponent */

    e |= (upper >> 4) & 0x800; /* sign */

    temp.ll = ((ldq(ptr) >> 11) & ((1LL << 52) - 1)) | ((uint64_t)e << 52);

    return temp.d;

}

static inline void helper_fstt(CPU86_LDouble f, uint8_t *ptr)

{

    CPU86_LDoubleU temp;

    int e;

    temp.d = f;

    /* mantissa */

    stq(ptr, (MANTD(temp) << 11) | (1LL << 63));

    /* exponent + sign */

    e = EXPD(temp) - EXPBIAS + 16383;

    e |= SIGND(temp) >> 16;

    stw(ptr + 8, e);

}

#endif

void helper_fldt_ST0_A0(void);

void helper_fstt_ST0_A0(void);

void helper_fbld_ST0_A0(void);

void helper_fbst_ST0_A0(void);

void helper_f2xm1(void);

void helper_fyl2x(void);

void helper_fptan(void);

void helper_fpatan(void);

void helper_fxtract(void);

void helper_fprem1(void);

void helper_fprem(void);

void helper_fyl2xp1(void);

void helper_fsqrt(void);

void helper_fsincos(void);

void helper_frndint(void);

void helper_fscale(void);

void helper_fsin(void);

void helper_fcos(void);

void helper_fxam_ST0(void);

void helper_fstenv(uint8_t *ptr, int data32);

void helper_fldenv(uint8_t *ptr, int data32);

void helper_fsave(uint8_t *ptr, int data32);

void helper_frstor(uint8_t *ptr, int data32);