op.c.svn-base

我们自己开发的一个OSEK操作系统！不知道可不可以？

{
    T2 = !FLAG_SET(PSR_CARRY);
}

void OPPROTO op_eval_bpos(void)
{
    T2 = !FLAG_SET(PSR_NEG);
}

void OPPROTO op_eval_bvc(void)
{
    T2 = !FLAG_SET(PSR_OVF);
}

#ifdef TARGET_SPARC64
void OPPROTO op_eval_xbe(void)
{
    T2 = XFLAG_SET(PSR_ZERO);
}

void OPPROTO op_eval_xble(void)
{
    target_ulong Z = XFLAG_SET(PSR_ZERO), N = XFLAG_SET(PSR_NEG), V = XFLAG_SET(PSR_OVF);

    T2 = Z | (N ^ V);
}

void OPPROTO op_eval_xbl(void)
{
    target_ulong N = XFLAG_SET(PSR_NEG), V = XFLAG_SET(PSR_OVF);

    T2 = N ^ V;
}

void OPPROTO op_eval_xbleu(void)
{
    target_ulong Z = XFLAG_SET(PSR_ZERO), C = XFLAG_SET(PSR_CARRY);

    T2 = C | Z;
}

void OPPROTO op_eval_xbcs(void)
{
    T2 = XFLAG_SET(PSR_CARRY);
}

void OPPROTO op_eval_xbvs(void)
{
    T2 = XFLAG_SET(PSR_OVF);
}

void OPPROTO op_eval_xbneg(void)
{
    T2 = XFLAG_SET(PSR_NEG);
}

void OPPROTO op_eval_xbne(void)
{
    T2 = !XFLAG_SET(PSR_ZERO);
}

void OPPROTO op_eval_xbg(void)
{
    target_ulong Z = XFLAG_SET(PSR_ZERO), N = XFLAG_SET(PSR_NEG), V = XFLAG_SET(PSR_OVF);

    T2 = !(Z | (N ^ V));
}

void OPPROTO op_eval_xbge(void)
{
    target_ulong N = XFLAG_SET(PSR_NEG), V = XFLAG_SET(PSR_OVF);

    T2 = !(N ^ V);
}

void OPPROTO op_eval_xbgu(void)
{
    target_ulong Z = XFLAG_SET(PSR_ZERO), C = XFLAG_SET(PSR_CARRY);

    T2 = !(C | Z);
}

void OPPROTO op_eval_xbcc(void)
{
    T2 = !XFLAG_SET(PSR_CARRY);
}

void OPPROTO op_eval_xbpos(void)
{
    T2 = !XFLAG_SET(PSR_NEG);
}

void OPPROTO op_eval_xbvc(void)
{
    T2 = !XFLAG_SET(PSR_OVF);
}
#endif

#define FCC
#define FFLAG_SET(x) (env->fsr & x? 1: 0)
#include "fbranch_template.h"

#ifdef TARGET_SPARC64
#define FCC _fcc1
#define FFLAG_SET(x) ((env->fsr & ((uint64_t)x >> 32))? 1: 0)
#include "fbranch_template.h"
#define FCC _fcc2
#define FFLAG_SET(x) ((env->fsr & ((uint64_t)x >> 34))? 1: 0)
#include "fbranch_template.h"
#define FCC _fcc3
#define FFLAG_SET(x) ((env->fsr & ((uint64_t)x >> 36))? 1: 0)
#include "fbranch_template.h"
#endif

#ifdef TARGET_SPARC64
void OPPROTO op_eval_brz(void)
{
    T2 = (T0 == 0);
}

void OPPROTO op_eval_brnz(void)
{
    T2 = (T0 != 0);
}

void OPPROTO op_eval_brlz(void)
{
    T2 = ((int64_t)T0 < 0);
}

void OPPROTO op_eval_brlez(void)
{
    T2 = ((int64_t)T0 <= 0);
}

void OPPROTO op_eval_brgz(void)
{
    T2 = ((int64_t)T0 > 0);
}

void OPPROTO op_eval_brgez(void)
{
    T2 = ((int64_t)T0 >= 0);
}

void OPPROTO op_jmp_im64(void)
{
    env->pc = PARAMQ1;
}

void OPPROTO op_movq_npc_im64(void)
{
    env->npc = PARAMQ1;
}
#endif

void OPPROTO op_jmp_im(void)
{
    env->pc = (uint32_t)PARAM1;
}

void OPPROTO op_movl_npc_im(void)
{
    env->npc = (uint32_t)PARAM1;
}

void OPPROTO op_movl_npc_T0(void)
{
    env->npc = T0;
}

void OPPROTO op_mov_pc_npc(void)
{
    env->pc = env->npc;
}

void OPPROTO op_next_insn(void)
{
    env->pc = env->npc;
    env->npc = env->npc + 4;
}

void OPPROTO op_goto_tb0(void)
{
    GOTO_TB(op_goto_tb0, PARAM1, 0);
}

void OPPROTO op_goto_tb1(void)
{
    GOTO_TB(op_goto_tb1, PARAM1, 1);
}

void OPPROTO op_jmp_label(void)
{
    GOTO_LABEL_PARAM(1);
}

void OPPROTO op_jnz_T2_label(void)
{
    if (T2)
        GOTO_LABEL_PARAM(1);
    FORCE_RET();
}

void OPPROTO op_jz_T2_label(void)
{
    if (!T2)
        GOTO_LABEL_PARAM(1);
    FORCE_RET();
}

void OPPROTO op_flush_T0(void)
{
    helper_flush(T0);
}

void OPPROTO op_clear_ieee_excp_and_FTT(void)
{
    env->fsr &= ~(FSR_FTT_MASK | FSR_CEXC_MASK);;
}

#define F_OP(name, p) void OPPROTO op_f##name##p(void)

#if defined(CONFIG_USER_ONLY)
#define F_BINOP(name)                                           \
    F_OP(name, s)                                               \
    {                                                           \
        set_float_exception_flags(0, &env->fp_status);          \
        FT0 = float32_ ## name (FT0, FT1, &env->fp_status);     \
        check_ieee_exceptions();                                \
    }                                                           \
    F_OP(name, d)                                               \
    {                                                           \
        set_float_exception_flags(0, &env->fp_status);          \
        DT0 = float64_ ## name (DT0, DT1, &env->fp_status);     \
        check_ieee_exceptions();                                \
    }                                                           \
    F_OP(name, q)                                               \
    {                                                           \
        set_float_exception_flags(0, &env->fp_status);          \
        QT0 = float128_ ## name (QT0, QT1, &env->fp_status);    \
        check_ieee_exceptions();                                \
    }
#else
#define F_BINOP(name)                                           \
    F_OP(name, s)                                               \
    {                                                           \
        set_float_exception_flags(0, &env->fp_status);          \
        FT0 = float32_ ## name (FT0, FT1, &env->fp_status);     \
        check_ieee_exceptions();                                \
    }                                                           \
    F_OP(name, d)                                               \
    {                                                           \
        set_float_exception_flags(0, &env->fp_status);          \
        DT0 = float64_ ## name (DT0, DT1, &env->fp_status);     \
        check_ieee_exceptions();                                \
    }
#endif

F_BINOP(add);
F_BINOP(sub);
F_BINOP(mul);
F_BINOP(div);
#undef F_BINOP

void OPPROTO op_fsmuld(void)
{
    set_float_exception_flags(0, &env->fp_status);
    DT0 = float64_mul(float32_to_float64(FT0, &env->fp_status),
                      float32_to_float64(FT1, &env->fp_status),
                      &env->fp_status);
    check_ieee_exceptions();
}

#if defined(CONFIG_USER_ONLY)
void OPPROTO op_fdmulq(void)
{
    set_float_exception_flags(0, &env->fp_status);
    QT0 = float128_mul(float64_to_float128(DT0, &env->fp_status),
                       float64_to_float128(DT1, &env->fp_status),
                       &env->fp_status);
    check_ieee_exceptions();
}
#endif

#if defined(CONFIG_USER_ONLY)
#define F_HELPER(name)    \
    F_OP(name, s)         \
    {                     \
        do_f##name##s();  \
    }                     \
    F_OP(name, d)         \
    {                     \
        do_f##name##d();  \
    }                     \
    F_OP(name, q)         \
    {                     \
        do_f##name##q();  \
    }
#else
#define F_HELPER(name)    \
    F_OP(name, s)         \
    {                     \
        do_f##name##s();  \
    }                     \
    F_OP(name, d)         \
    {                     \
        do_f##name##d();  \
    }
#endif

F_HELPER(sqrt);

F_OP(neg, s)
{
    FT0 = float32_chs(FT1);
}

F_OP(abs, s)
{
    do_fabss();
}

F_HELPER(cmp);
F_HELPER(cmpe);

#ifdef TARGET_SPARC64
F_OP(neg, d)
{
    DT0 = float64_chs(DT1);
}

F_OP(abs, d)
{
    do_fabsd();
}

#if defined(CONFIG_USER_ONLY)
F_OP(neg, q)
{
    QT0 = float128_chs(QT1);
}

F_OP(abs, q)
{
    do_fabsd();
}
#endif

void OPPROTO op_fcmps_fcc1(void)
{
    do_fcmps_fcc1();
}

void OPPROTO op_fcmpd_fcc1(void)
{
    do_fcmpd_fcc1();
}

void OPPROTO op_fcmps_fcc2(void)
{
    do_fcmps_fcc2();
}

void OPPROTO op_fcmpd_fcc2(void)
{
    do_fcmpd_fcc2();
}

void OPPROTO op_fcmps_fcc3(void)
{
    do_fcmps_fcc3();
}

void OPPROTO op_fcmpd_fcc3(void)
{
    do_fcmpd_fcc3();
}

void OPPROTO op_fcmpes_fcc1(void)
{
    do_fcmpes_fcc1();
}

void OPPROTO op_fcmped_fcc1(void)
{
    do_fcmped_fcc1();
}

void OPPROTO op_fcmpes_fcc2(void)
{
    do_fcmpes_fcc2();
}

void OPPROTO op_fcmped_fcc2(void)
{
    do_fcmped_fcc2();
}

void OPPROTO op_fcmpes_fcc3(void)
{
    do_fcmpes_fcc3();
}

void OPPROTO op_fcmped_fcc3(void)
{
    do_fcmped_fcc3();
}

#if defined(CONFIG_USER_ONLY)
void OPPROTO op_fcmpq_fcc1(void)
{
    do_fcmpq_fcc1();
}

void OPPROTO op_fcmpq_fcc2(void)
{
    do_fcmpq_fcc2();
}

void OPPROTO op_fcmpq_fcc3(void)
{
    do_fcmpq_fcc3();
}

void OPPROTO op_fcmpeq_fcc1(void)
{
    do_fcmpeq_fcc1();
}

void OPPROTO op_fcmpeq_fcc2(void)
{
    do_fcmpeq_fcc2();
}

void OPPROTO op_fcmpeq_fcc3(void)
{
    do_fcmpeq_fcc3();
}
#endif

#endif

/* Integer to float conversion.  */
#ifdef USE_INT_TO_FLOAT_HELPERS
F_HELPER(ito);
#ifdef TARGET_SPARC64
F_HELPER(xto);
#endif
#else
F_OP(ito, s)
{
    set_float_exception_flags(0, &env->fp_status);
    FT0 = int32_to_float32(*((int32_t *)&FT1), &env->fp_status);
    check_ieee_exceptions();
}

F_OP(ito, d)
{
    set_float_exception_flags(0, &env->fp_status);
    DT0 = int32_to_float64(*((int32_t *)&FT1), &env->fp_status);
    check_ieee_exceptions();
}

#if defined(CONFIG_USER_ONLY)
F_OP(ito, q)
{
    set_float_exception_flags(0, &env->fp_status);
    QT0 = int32_to_float128(*((int32_t *)&FT1), &env->fp_status);
    check_ieee_exceptions();
}
#endif

#ifdef TARGET_SPARC64
F_OP(xto, s)
{
    set_float_exception_flags(0, &env->fp_status);
    FT0 = int64_to_float32(*((int64_t *)&DT1), &env->fp_status);
    check_ieee_exceptions();
}

F_OP(xto, d)
{
    set_float_exception_flags(0, &env->fp_status);
    DT0 = int64_to_float64(*((int64_t *)&DT1), &env->fp_status);
    check_ieee_exceptions();
}
#if defined(CONFIG_USER_ONLY)
F_OP(xto, q)
{
    set_float_exception_flags(0, &env->fp_status);
    QT0 = int64_to_float128(*((int64_t *)&DT1), &env->fp_status);
    check_ieee_exceptions();
}
#endif
#endif
#endif
#undef F_HELPER

/* floating point conversion */
void OPPROTO op_fdtos(void)
{
    set_float_exception_flags(0, &env->fp_status);
    FT0 = float64_to_float32(DT1, &env->fp_status);
    check_ieee_exceptions();
}

void OPPROTO op_fstod(void)
{
    set_float_exception_flags(0, &env->fp_status);
    DT0 = float32_to_float64(FT1, &env->fp_status);
    check_ieee_exceptions();
}

#if defined(CONFIG_USER_ONLY)
void OPPROTO op_fqtos(void)
{
    set_float_exception_flags(0, &env->fp_status);
    FT0 = float128_to_float32(QT1, &env->fp_status);
    check_ieee_exceptions();
}

void OPPROTO op_fstoq(void)
{
    set_float_exception_flags(0, &env->fp_status);
    QT0 = float32_to_float128(FT1, &env->fp_status);
    check_ieee_exceptions();
}

void OPPROTO op_fqtod(void)
{
    set_float_exception_flags(0, &env->fp_status);
    DT0 = float128_to_float64(QT1, &env->fp_status);
    check_ieee_exceptions();
}

void OPPROTO op_fdtoq(void)
{
    set_float_exception_flags(0, &env->fp_status);
    QT0 = float64_to_float128(DT1, &env->fp_status);
    check_ieee_exceptions();
}
#endif

/* Float to integer conversion.  */
void OPPROTO op_fstoi(void)
{
    set_float_exception_flags(0, &env->fp_status);
    *((int32_t *)&FT0) = float32_to_int32_round_to_zero(FT1, &env->fp_status);
    check_ieee_exceptions();
}

void OPPROTO op_fdtoi(void)
{
    set_float_exception_flags(0, &env->fp_status);
    *((int32_t *)&FT0) = float64_to_int32_round_to_zero(DT1, &env->fp_status);
    check_ieee_exceptions();
}

#if defined(CONFIG_USER_ONLY)
void OPPROTO op_fqtoi(void)
{
    set_float_exception_flags(0, &env->fp_status);
    *((int32_t *)&FT0) = float128_to_int32_round_to_zero(QT1, &env->fp_status);
    check_ieee_exceptions();
}
#endif

#ifdef TARGET_SPARC64
void OPPROTO op_fstox(void)
{
    set_float_exception_flags(0, &env->fp_status);
    *((int64_t *)&DT0) = float32_to_int64_round_to_zero(FT1, &env->fp_status);
    check_ieee_exceptions();
}

void OPPROTO op_fdtox(void)
{
    set_float_exception_flags(0, &env->fp_status);
    *((int64_t *)&DT0) = float64_to_int64_round_to_zero(DT1, &env->fp_status);
    check_ieee_exceptions();
}

#if defined(CONFIG_USER_ONLY)
void OPPROTO op_fqtox(void)
{
    set_float_exception_flags(0, &env->fp_status);
    *((int64_t *)&DT0) = float128_to_int64_round_to_zero(QT1, &env->fp_status);
    check_ieee_exceptions();
}
#endif

void OPPROTO op_fmovs_cc(void)
{
    if (T2)
        FT0 = FT1;
}

void OPPROTO op_fmovd_cc(void)
{
    if (T2)
        DT0 = DT1;
}

#if defined(CONFIG_USER_ONLY)
void OPPROTO op_fmovq_cc(void)
{
    if (T2)
        QT0 = QT1;
}
#endif

void OPPROTO op_mov_cc(void)
{
    if (T2)
        T0 = T1;
}

void OPPROTO op_flushw(void)
{
    if (env->cansave != NWINDOWS - 2) {
        raise_exception(TT_SPILL | (env->otherwin != 0 ?
                                    (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
                                    ((env->wstate & 0x7) << 2)));
    }
}

void OPPROTO op_saved(void)
{
    env->cansave++;
    if (env->otherwin == 0)
        env->canrestore--;
    else
        env->otherwin--;
    FORCE_RET();
}

void OPPROTO op_restored(void)
{
    env->canrestore++;
    if (env->cleanwin < NWINDOWS - 1)
        env->cleanwin++;
    if (env->otherwin == 0)
        env->cansave--;
    else
        env->otherwin--;
    FORCE_RET();
}

void OPPROTO op_popc(void)
{
    do_popc();
}

void OPPROTO op_done(void)
{
    do_done();
}

void OPPROTO op_retry(void)
{
    do_retry();
}

void OPPROTO op_sir(void)
{
    T0 = 0;  // XXX
}

void OPPROTO op_ld_asi_reg()
{
    T0 += PARAM1;
    helper_ld_asi(env->asi, PARAM2, PARAM3);
}

void OPPROTO op_st_asi_reg()
{
    T0 += PARAM1;
    helper_st_asi(env->asi, PARAM2);
}