diff options
author | Blue Swirl <blauwirbel@gmail.com> | 2012-04-28 21:28:09 +0000 |
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committer | Blue Swirl <blauwirbel@gmail.com> | 2012-08-14 19:01:25 +0000 |
commit | d3eb5eaeb56e48891bb98ab5f092f43e142e3f28 (patch) | |
tree | 590ddbd47ca59abf8691bc0fc983d5580f18bbb1 /target-i386/fpu_helper.c | |
parent | 633decd71119a4293e5e53e6059026c517a8bef0 (diff) | |
download | hqemu-d3eb5eaeb56e48891bb98ab5f092f43e142e3f28.zip hqemu-d3eb5eaeb56e48891bb98ab5f092f43e142e3f28.tar.gz |
x86: avoid AREG0 for FPU helpers
Make FPU helpers take a parameter for CPUState instead
of relying on global env.
Introduce temporary wrappers for FPU load and store ops. Remove
wrappers for non-AREG0 code. Don't call unconverted helpers
directly.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'target-i386/fpu_helper.c')
-rw-r--r-- | target-i386/fpu_helper.c | 433 |
1 files changed, 207 insertions, 226 deletions
diff --git a/target-i386/fpu_helper.c b/target-i386/fpu_helper.c index 6065c2e..a1d7ef7 100644 --- a/target-i386/fpu_helper.c +++ b/target-i386/fpu_helper.c @@ -19,13 +19,8 @@ #include <math.h> #include "cpu.h" -#include "dyngen-exec.h" #include "helper.h" -#if !defined(CONFIG_USER_ONLY) -#include "softmmu_exec.h" -#endif /* !defined(CONFIG_USER_ONLY) */ - #define FPU_RC_MASK 0xc00 #define FPU_RC_NEAR 0x000 #define FPU_RC_DOWN 0x400 @@ -58,39 +53,39 @@ #define floatx80_l2e make_floatx80(0x3fff, 0xb8aa3b295c17f0bcLL) #define floatx80_l2t make_floatx80(0x4000, 0xd49a784bcd1b8afeLL) -static inline void fpush(void) +static inline void fpush(CPUX86State *env) { env->fpstt = (env->fpstt - 1) & 7; env->fptags[env->fpstt] = 0; /* validate stack entry */ } -static inline void fpop(void) +static inline void fpop(CPUX86State *env) { env->fptags[env->fpstt] = 1; /* invalidate stack entry */ env->fpstt = (env->fpstt + 1) & 7; } -static inline floatx80 helper_fldt(target_ulong ptr) +static inline floatx80 helper_fldt(CPUX86State *env, target_ulong ptr) { CPU_LDoubleU temp; - temp.l.lower = ldq(ptr); - temp.l.upper = lduw(ptr + 8); + temp.l.lower = cpu_ldq_data(env, ptr); + temp.l.upper = cpu_lduw_data(env, ptr + 8); return temp.d; } -static inline void helper_fstt(floatx80 f, target_ulong ptr) +static inline void helper_fstt(CPUX86State *env, floatx80 f, target_ulong ptr) { CPU_LDoubleU temp; temp.d = f; - stq(ptr, temp.l.lower); - stw(ptr + 8, temp.l.upper); + cpu_stq_data(env, ptr, temp.l.lower); + cpu_stw_data(env, ptr + 8, temp.l.upper); } /* x87 FPU helpers */ -static inline double floatx80_to_double(floatx80 a) +static inline double floatx80_to_double(CPUX86State *env, floatx80 a) { union { float64 f64; @@ -101,7 +96,7 @@ static inline double floatx80_to_double(floatx80 a) return u.d; } -static inline floatx80 double_to_floatx80(double a) +static inline floatx80 double_to_floatx80(CPUX86State *env, double a) { union { float64 f64; @@ -112,7 +107,7 @@ static inline floatx80 double_to_floatx80(double a) return float64_to_floatx80(u.f64, &env->fp_status); } -static void fpu_set_exception(int mask) +static void fpu_set_exception(CPUX86State *env, int mask) { env->fpus |= mask; if (env->fpus & (~env->fpuc & FPUC_EM)) { @@ -120,15 +115,15 @@ static void fpu_set_exception(int mask) } } -static inline floatx80 helper_fdiv(floatx80 a, floatx80 b) +static inline floatx80 helper_fdiv(CPUX86State *env, floatx80 a, floatx80 b) { if (floatx80_is_zero(b)) { - fpu_set_exception(FPUS_ZE); + fpu_set_exception(env, FPUS_ZE); } return floatx80_div(a, b, &env->fp_status); } -static void fpu_raise_exception(void) +static void fpu_raise_exception(CPUX86State *env) { if (env->cr[0] & CR0_NE_MASK) { raise_exception(env, EXCP10_COPR); @@ -140,7 +135,7 @@ static void fpu_raise_exception(void) #endif } -void helper_flds_FT0(uint32_t val) +void helper_flds_FT0(CPUX86State *env, uint32_t val) { union { float32 f; @@ -151,7 +146,7 @@ void helper_flds_FT0(uint32_t val) FT0 = float32_to_floatx80(u.f, &env->fp_status); } -void helper_fldl_FT0(uint64_t val) +void helper_fldl_FT0(CPUX86State *env, uint64_t val) { union { float64 f; @@ -162,12 +157,12 @@ void helper_fldl_FT0(uint64_t val) FT0 = float64_to_floatx80(u.f, &env->fp_status); } -void helper_fildl_FT0(int32_t val) +void helper_fildl_FT0(CPUX86State *env, int32_t val) { FT0 = int32_to_floatx80(val, &env->fp_status); } -void helper_flds_ST0(uint32_t val) +void helper_flds_ST0(CPUX86State *env, uint32_t val) { int new_fpstt; union { @@ -182,7 +177,7 @@ void helper_flds_ST0(uint32_t val) env->fptags[new_fpstt] = 0; /* validate stack entry */ } -void helper_fldl_ST0(uint64_t val) +void helper_fldl_ST0(CPUX86State *env, uint64_t val) { int new_fpstt; union { @@ -197,7 +192,7 @@ void helper_fldl_ST0(uint64_t val) env->fptags[new_fpstt] = 0; /* validate stack entry */ } -void helper_fildl_ST0(int32_t val) +void helper_fildl_ST0(CPUX86State *env, int32_t val) { int new_fpstt; @@ -207,7 +202,7 @@ void helper_fildl_ST0(int32_t val) env->fptags[new_fpstt] = 0; /* validate stack entry */ } -void helper_fildll_ST0(int64_t val) +void helper_fildll_ST0(CPUX86State *env, int64_t val) { int new_fpstt; @@ -217,7 +212,7 @@ void helper_fildll_ST0(int64_t val) env->fptags[new_fpstt] = 0; /* validate stack entry */ } -uint32_t helper_fsts_ST0(void) +uint32_t helper_fsts_ST0(CPUX86State *env) { union { float32 f; @@ -228,7 +223,7 @@ uint32_t helper_fsts_ST0(void) return u.i; } -uint64_t helper_fstl_ST0(void) +uint64_t helper_fstl_ST0(CPUX86State *env) { union { float64 f; @@ -239,7 +234,7 @@ uint64_t helper_fstl_ST0(void) return u.i; } -int32_t helper_fist_ST0(void) +int32_t helper_fist_ST0(CPUX86State *env) { int32_t val; @@ -250,7 +245,7 @@ int32_t helper_fist_ST0(void) return val; } -int32_t helper_fistl_ST0(void) +int32_t helper_fistl_ST0(CPUX86State *env) { int32_t val; @@ -258,7 +253,7 @@ int32_t helper_fistl_ST0(void) return val; } -int64_t helper_fistll_ST0(void) +int64_t helper_fistll_ST0(CPUX86State *env) { int64_t val; @@ -266,7 +261,7 @@ int64_t helper_fistll_ST0(void) return val; } -int32_t helper_fistt_ST0(void) +int32_t helper_fistt_ST0(CPUX86State *env) { int32_t val; @@ -277,7 +272,7 @@ int32_t helper_fistt_ST0(void) return val; } -int32_t helper_fisttl_ST0(void) +int32_t helper_fisttl_ST0(CPUX86State *env) { int32_t val; @@ -285,7 +280,7 @@ int32_t helper_fisttl_ST0(void) return val; } -int64_t helper_fisttll_ST0(void) +int64_t helper_fisttll_ST0(CPUX86State *env) { int64_t val; @@ -293,38 +288,38 @@ int64_t helper_fisttll_ST0(void) return val; } -void helper_fldt_ST0(target_ulong ptr) +void helper_fldt_ST0(CPUX86State *env, target_ulong ptr) { int new_fpstt; new_fpstt = (env->fpstt - 1) & 7; - env->fpregs[new_fpstt].d = helper_fldt(ptr); + env->fpregs[new_fpstt].d = helper_fldt(env, ptr); env->fpstt = new_fpstt; env->fptags[new_fpstt] = 0; /* validate stack entry */ } -void helper_fstt_ST0(target_ulong ptr) +void helper_fstt_ST0(CPUX86State *env, target_ulong ptr) { - helper_fstt(ST0, ptr); + helper_fstt(env, ST0, ptr); } -void helper_fpush(void) +void helper_fpush(CPUX86State *env) { - fpush(); + fpush(env); } -void helper_fpop(void) +void helper_fpop(CPUX86State *env) { - fpop(); + fpop(env); } -void helper_fdecstp(void) +void helper_fdecstp(CPUX86State *env) { env->fpstt = (env->fpstt - 1) & 7; env->fpus &= ~0x4700; } -void helper_fincstp(void) +void helper_fincstp(CPUX86State *env) { env->fpstt = (env->fpstt + 1) & 7; env->fpus &= ~0x4700; @@ -332,32 +327,32 @@ void helper_fincstp(void) /* FPU move */ -void helper_ffree_STN(int st_index) +void helper_ffree_STN(CPUX86State *env, int st_index) { env->fptags[(env->fpstt + st_index) & 7] = 1; } -void helper_fmov_ST0_FT0(void) +void helper_fmov_ST0_FT0(CPUX86State *env) { ST0 = FT0; } -void helper_fmov_FT0_STN(int st_index) +void helper_fmov_FT0_STN(CPUX86State *env, int st_index) { FT0 = ST(st_index); } -void helper_fmov_ST0_STN(int st_index) +void helper_fmov_ST0_STN(CPUX86State *env, int st_index) { ST0 = ST(st_index); } -void helper_fmov_STN_ST0(int st_index) +void helper_fmov_STN_ST0(CPUX86State *env, int st_index) { ST(st_index) = ST0; } -void helper_fxchg_ST0_STN(int st_index) +void helper_fxchg_ST0_STN(CPUX86State *env, int st_index) { floatx80 tmp; @@ -370,7 +365,7 @@ void helper_fxchg_ST0_STN(int st_index) static const int fcom_ccval[4] = {0x0100, 0x4000, 0x0000, 0x4500}; -void helper_fcom_ST0_FT0(void) +void helper_fcom_ST0_FT0(CPUX86State *env) { int ret; @@ -378,7 +373,7 @@ void helper_fcom_ST0_FT0(void) env->fpus = (env->fpus & ~0x4500) | fcom_ccval[ret + 1]; } -void helper_fucom_ST0_FT0(void) +void helper_fucom_ST0_FT0(CPUX86State *env) { int ret; @@ -388,158 +383,158 @@ void helper_fucom_ST0_FT0(void) static const int fcomi_ccval[4] = {CC_C, CC_Z, 0, CC_Z | CC_P | CC_C}; -void helper_fcomi_ST0_FT0(void) +void helper_fcomi_ST0_FT0(CPUX86State *env) { int eflags; int ret; ret = floatx80_compare(ST0, FT0, &env->fp_status); - eflags = helper_cc_compute_all(CC_OP); + eflags = cpu_cc_compute_all(env, CC_OP); eflags = (eflags & ~(CC_Z | CC_P | CC_C)) | fcomi_ccval[ret + 1]; CC_SRC = eflags; } -void helper_fucomi_ST0_FT0(void) +void helper_fucomi_ST0_FT0(CPUX86State *env) { int eflags; int ret; ret = floatx80_compare_quiet(ST0, FT0, &env->fp_status); - eflags = helper_cc_compute_all(CC_OP); + eflags = cpu_cc_compute_all(env, CC_OP); eflags = (eflags & ~(CC_Z | CC_P | CC_C)) | fcomi_ccval[ret + 1]; CC_SRC = eflags; } -void helper_fadd_ST0_FT0(void) +void helper_fadd_ST0_FT0(CPUX86State *env) { ST0 = floatx80_add(ST0, FT0, &env->fp_status); } -void helper_fmul_ST0_FT0(void) +void helper_fmul_ST0_FT0(CPUX86State *env) { ST0 = floatx80_mul(ST0, FT0, &env->fp_status); } -void helper_fsub_ST0_FT0(void) +void helper_fsub_ST0_FT0(CPUX86State *env) { ST0 = floatx80_sub(ST0, FT0, &env->fp_status); } -void helper_fsubr_ST0_FT0(void) +void helper_fsubr_ST0_FT0(CPUX86State *env) { ST0 = floatx80_sub(FT0, ST0, &env->fp_status); } -void helper_fdiv_ST0_FT0(void) +void helper_fdiv_ST0_FT0(CPUX86State *env) { - ST0 = helper_fdiv(ST0, FT0); + ST0 = helper_fdiv(env, ST0, FT0); } -void helper_fdivr_ST0_FT0(void) +void helper_fdivr_ST0_FT0(CPUX86State *env) { - ST0 = helper_fdiv(FT0, ST0); + ST0 = helper_fdiv(env, FT0, ST0); } /* fp operations between STN and ST0 */ -void helper_fadd_STN_ST0(int st_index) +void helper_fadd_STN_ST0(CPUX86State *env, int st_index) { ST(st_index) = floatx80_add(ST(st_index), ST0, &env->fp_status); } -void helper_fmul_STN_ST0(int st_index) +void helper_fmul_STN_ST0(CPUX86State *env, int st_index) { ST(st_index) = floatx80_mul(ST(st_index), ST0, &env->fp_status); } -void helper_fsub_STN_ST0(int st_index) +void helper_fsub_STN_ST0(CPUX86State *env, int st_index) { ST(st_index) = floatx80_sub(ST(st_index), ST0, &env->fp_status); } -void helper_fsubr_STN_ST0(int st_index) +void helper_fsubr_STN_ST0(CPUX86State *env, int st_index) { ST(st_index) = floatx80_sub(ST0, ST(st_index), &env->fp_status); } -void helper_fdiv_STN_ST0(int st_index) +void helper_fdiv_STN_ST0(CPUX86State *env, int st_index) { floatx80 *p; p = &ST(st_index); - *p = helper_fdiv(*p, ST0); + *p = helper_fdiv(env, *p, ST0); } -void helper_fdivr_STN_ST0(int st_index) +void helper_fdivr_STN_ST0(CPUX86State *env, int st_index) { floatx80 *p; p = &ST(st_index); - *p = helper_fdiv(ST0, *p); + *p = helper_fdiv(env, ST0, *p); } /* misc FPU operations */ -void helper_fchs_ST0(void) +void helper_fchs_ST0(CPUX86State *env) { ST0 = floatx80_chs(ST0); } -void helper_fabs_ST0(void) +void helper_fabs_ST0(CPUX86State *env) { ST0 = floatx80_abs(ST0); } -void helper_fld1_ST0(void) +void helper_fld1_ST0(CPUX86State *env) { ST0 = floatx80_one; } -void helper_fldl2t_ST0(void) +void helper_fldl2t_ST0(CPUX86State *env) { ST0 = floatx80_l2t; } -void helper_fldl2e_ST0(void) +void helper_fldl2e_ST0(CPUX86State *env) { ST0 = floatx80_l2e; } -void helper_fldpi_ST0(void) +void helper_fldpi_ST0(CPUX86State *env) { ST0 = floatx80_pi; } -void helper_fldlg2_ST0(void) +void helper_fldlg2_ST0(CPUX86State *env) { ST0 = floatx80_lg2; } -void helper_fldln2_ST0(void) +void helper_fldln2_ST0(CPUX86State *env) { ST0 = floatx80_ln2; } -void helper_fldz_ST0(void) +void helper_fldz_ST0(CPUX86State *env) { ST0 = floatx80_zero; } -void helper_fldz_FT0(void) +void helper_fldz_FT0(CPUX86State *env) { FT0 = floatx80_zero; } -uint32_t helper_fnstsw(void) +uint32_t helper_fnstsw(CPUX86State *env) { return (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; } -uint32_t helper_fnstcw(void) +uint32_t helper_fnstcw(CPUX86State *env) { return env->fpuc; } -static void update_fp_status(void) +static void update_fp_status(CPUX86State *env) { int rnd_type; @@ -575,25 +570,25 @@ static void update_fp_status(void) set_floatx80_rounding_precision(rnd_type, &env->fp_status); } -void helper_fldcw(uint32_t val) +void helper_fldcw(CPUX86State *env, uint32_t val) { env->fpuc = val; - update_fp_status(); + update_fp_status(env); } -void helper_fclex(void) +void helper_fclex(CPUX86State *env) { env->fpus &= 0x7f00; } -void helper_fwait(void) +void helper_fwait(CPUX86State *env) { if (env->fpus & FPUS_SE) { - fpu_raise_exception(); + fpu_raise_exception(env); } } -void helper_fninit(void) +void helper_fninit(CPUX86State *env) { env->fpus = 0; env->fpstt = 0; @@ -610,7 +605,7 @@ void helper_fninit(void) /* BCD ops */ -void helper_fbld_ST0(target_ulong ptr) +void helper_fbld_ST0(CPUX86State *env, target_ulong ptr) { floatx80 tmp; uint64_t val; @@ -619,18 +614,18 @@ void helper_fbld_ST0(target_ulong ptr) val = 0; for (i = 8; i >= 0; i--) { - v = ldub(ptr + i); + v = cpu_ldub_data(env, ptr + i); val = (val * 100) + ((v >> 4) * 10) + (v & 0xf); } tmp = int64_to_floatx80(val, &env->fp_status); - if (ldub(ptr + 9) & 0x80) { + if (cpu_ldub_data(env, ptr + 9) & 0x80) { floatx80_chs(tmp); } - fpush(); + fpush(env); ST0 = tmp; } -void helper_fbst_ST0(target_ulong ptr) +void helper_fbst_ST0(CPUX86State *env, target_ulong ptr) { int v; target_ulong mem_ref, mem_end; @@ -640,10 +635,10 @@ void helper_fbst_ST0(target_ulong ptr) mem_ref = ptr; mem_end = mem_ref + 9; if (val < 0) { - stb(mem_end, 0x80); + cpu_stb_data(env, mem_end, 0x80); val = -val; } else { - stb(mem_end, 0x00); + cpu_stb_data(env, mem_end, 0x00); } while (mem_ref < mem_end) { if (val == 0) { @@ -652,63 +647,63 @@ void helper_fbst_ST0(target_ulong ptr) v = val % 100; val = val / 100; v = ((v / 10) << 4) | (v % 10); - stb(mem_ref++, v); + cpu_stb_data(env, mem_ref++, v); } while (mem_ref < mem_end) { - stb(mem_ref++, 0); + cpu_stb_data(env, mem_ref++, 0); } } -void helper_f2xm1(void) +void helper_f2xm1(CPUX86State *env) { - double val = floatx80_to_double(ST0); + double val = floatx80_to_double(env, ST0); val = pow(2.0, val) - 1.0; - ST0 = double_to_floatx80(val); + ST0 = double_to_floatx80(env, val); } -void helper_fyl2x(void) +void helper_fyl2x(CPUX86State *env) { - double fptemp = floatx80_to_double(ST0); + double fptemp = floatx80_to_double(env, ST0); if (fptemp > 0.0) { fptemp = log(fptemp) / log(2.0); /* log2(ST) */ - fptemp *= floatx80_to_double(ST1); - ST1 = double_to_floatx80(fptemp); - fpop(); + fptemp *= floatx80_to_double(env, ST1); + ST1 = double_to_floatx80(env, fptemp); + fpop(env); } else { env->fpus &= ~0x4700; env->fpus |= 0x400; } } -void helper_fptan(void) +void helper_fptan(CPUX86State *env) { - double fptemp = floatx80_to_double(ST0); + double fptemp = floatx80_to_double(env, ST0); if ((fptemp > MAXTAN) || (fptemp < -MAXTAN)) { env->fpus |= 0x400; } else { fptemp = tan(fptemp); - ST0 = double_to_floatx80(fptemp); - fpush(); + ST0 = double_to_floatx80(env, fptemp); + fpush(env); ST0 = floatx80_one; env->fpus &= ~0x400; /* C2 <-- 0 */ /* the above code is for |arg| < 2**52 only */ } } -void helper_fpatan(void) +void helper_fpatan(CPUX86State *env) { double fptemp, fpsrcop; - fpsrcop = floatx80_to_double(ST1); - fptemp = floatx80_to_double(ST0); - ST1 = double_to_floatx80(atan2(fpsrcop, fptemp)); - fpop(); + fpsrcop = floatx80_to_double(env, ST1); + fptemp = floatx80_to_double(env, ST0); + ST1 = double_to_floatx80(env, atan2(fpsrcop, fptemp)); + fpop(env); } -void helper_fxtract(void) +void helper_fxtract(CPUX86State *env) { CPU_LDoubleU temp; @@ -718,7 +713,7 @@ void helper_fxtract(void) /* Easy way to generate -inf and raising division by 0 exception */ ST0 = floatx80_div(floatx80_chs(floatx80_one), floatx80_zero, &env->fp_status); - fpush(); + fpush(env); ST0 = temp.d; } else { int expdif; @@ -726,24 +721,24 @@ void helper_fxtract(void) expdif = EXPD(temp) - EXPBIAS; /* DP exponent bias */ ST0 = int32_to_floatx80(expdif, &env->fp_status); - fpush(); + fpush(env); BIASEXPONENT(temp); ST0 = temp.d; } } -void helper_fprem1(void) +void helper_fprem1(CPUX86State *env) { double st0, st1, dblq, fpsrcop, fptemp; CPU_LDoubleU fpsrcop1, fptemp1; int expdif; signed long long int q; - st0 = floatx80_to_double(ST0); - st1 = floatx80_to_double(ST1); + st0 = floatx80_to_double(env, ST0); + st1 = floatx80_to_double(env, ST1); if (isinf(st0) || isnan(st0) || isnan(st1) || (st1 == 0.0)) { - ST0 = double_to_floatx80(0.0 / 0.0); /* NaN */ + ST0 = double_to_floatx80(env, 0.0 / 0.0); /* NaN */ env->fpus &= ~0x4700; /* (C3,C2,C1,C0) <-- 0000 */ return; } @@ -788,21 +783,21 @@ void helper_fprem1(void) -(floor(fabs(fpsrcop))) : floor(fpsrcop); st0 -= (st1 * fpsrcop * fptemp); } - ST0 = double_to_floatx80(st0); + ST0 = double_to_floatx80(env, st0); } -void helper_fprem(void) +void helper_fprem(CPUX86State *env) { double st0, st1, dblq, fpsrcop, fptemp; CPU_LDoubleU fpsrcop1, fptemp1; int expdif; signed long long int q; - st0 = floatx80_to_double(ST0); - st1 = floatx80_to_double(ST1); + st0 = floatx80_to_double(env, ST0); + st1 = floatx80_to_double(env, ST1); if (isinf(st0) || isnan(st0) || isnan(st1) || (st1 == 0.0)) { - ST0 = double_to_floatx80(0.0 / 0.0); /* NaN */ + ST0 = double_to_floatx80(env, 0.0 / 0.0); /* NaN */ env->fpus &= ~0x4700; /* (C3,C2,C1,C0) <-- 0000 */ return; } @@ -849,25 +844,25 @@ void helper_fprem(void) -(floor(fabs(fpsrcop))) : floor(fpsrcop); st0 -= (st1 * fpsrcop * fptemp); } - ST0 = double_to_floatx80(st0); + ST0 = double_to_floatx80(env, st0); } -void helper_fyl2xp1(void) +void helper_fyl2xp1(CPUX86State *env) { - double fptemp = floatx80_to_double(ST0); + double fptemp = floatx80_to_double(env, ST0); if ((fptemp + 1.0) > 0.0) { fptemp = log(fptemp + 1.0) / log(2.0); /* log2(ST + 1.0) */ - fptemp *= floatx80_to_double(ST1); - ST1 = double_to_floatx80(fptemp); - fpop(); + fptemp *= floatx80_to_double(env, ST1); + ST1 = double_to_floatx80(env, fptemp); + fpop(env); } else { env->fpus &= ~0x4700; env->fpus |= 0x400; } } -void helper_fsqrt(void) +void helper_fsqrt(CPUX86State *env) { if (floatx80_is_neg(ST0)) { env->fpus &= ~0x4700; /* (C3,C2,C1,C0) <-- 0000 */ @@ -876,27 +871,27 @@ void helper_fsqrt(void) ST0 = floatx80_sqrt(ST0, &env->fp_status); } -void helper_fsincos(void) +void helper_fsincos(CPUX86State *env) { - double fptemp = floatx80_to_double(ST0); + double fptemp = floatx80_to_double(env, ST0); if ((fptemp > MAXTAN) || (fptemp < -MAXTAN)) { env->fpus |= 0x400; } else { - ST0 = double_to_floatx80(sin(fptemp)); - fpush(); - ST0 = double_to_floatx80(cos(fptemp)); + ST0 = double_to_floatx80(env, sin(fptemp)); + fpush(env); + ST0 = double_to_floatx80(env, cos(fptemp)); env->fpus &= ~0x400; /* C2 <-- 0 */ /* the above code is for |arg| < 2**63 only */ } } -void helper_frndint(void) +void helper_frndint(CPUX86State *env) { ST0 = floatx80_round_to_int(ST0, &env->fp_status); } -void helper_fscale(void) +void helper_fscale(CPUX86State *env) { if (floatx80_is_any_nan(ST1)) { ST0 = ST1; @@ -906,33 +901,33 @@ void helper_fscale(void) } } -void helper_fsin(void) +void helper_fsin(CPUX86State *env) { - double fptemp = floatx80_to_double(ST0); + double fptemp = floatx80_to_double(env, ST0); if ((fptemp > MAXTAN) || (fptemp < -MAXTAN)) { env->fpus |= 0x400; } else { - ST0 = double_to_floatx80(sin(fptemp)); + ST0 = double_to_floatx80(env, sin(fptemp)); env->fpus &= ~0x400; /* C2 <-- 0 */ /* the above code is for |arg| < 2**53 only */ } } -void helper_fcos(void) +void helper_fcos(CPUX86State *env) { - double fptemp = floatx80_to_double(ST0); + double fptemp = floatx80_to_double(env, ST0); if ((fptemp > MAXTAN) || (fptemp < -MAXTAN)) { env->fpus |= 0x400; } else { - ST0 = double_to_floatx80(cos(fptemp)); + ST0 = double_to_floatx80(env, cos(fptemp)); env->fpus &= ~0x400; /* C2 <-- 0 */ /* the above code is for |arg| < 2**63 only */ } } -void helper_fxam_ST0(void) +void helper_fxam_ST0(CPUX86State *env) { CPU_LDoubleU temp; int expdif; @@ -963,7 +958,7 @@ void helper_fxam_ST0(void) } } -void helper_fstenv(target_ulong ptr, int data32) +void helper_fstenv(CPUX86State *env, target_ulong ptr, int data32) { int fpus, fptag, exp, i; uint64_t mant; @@ -991,37 +986,37 @@ void helper_fstenv(target_ulong ptr, int data32) } if (data32) { /* 32 bit */ - stl(ptr, env->fpuc); - stl(ptr + 4, fpus); - stl(ptr + 8, fptag); - stl(ptr + 12, 0); /* fpip */ - stl(ptr + 16, 0); /* fpcs */ - stl(ptr + 20, 0); /* fpoo */ - stl(ptr + 24, 0); /* fpos */ + cpu_stl_data(env, ptr, env->fpuc); + cpu_stl_data(env, ptr + 4, fpus); + cpu_stl_data(env, ptr + 8, fptag); + cpu_stl_data(env, ptr + 12, 0); /* fpip */ + cpu_stl_data(env, ptr + 16, 0); /* fpcs */ + cpu_stl_data(env, ptr + 20, 0); /* fpoo */ + cpu_stl_data(env, ptr + 24, 0); /* fpos */ } else { /* 16 bit */ - stw(ptr, env->fpuc); - stw(ptr + 2, fpus); - stw(ptr + 4, fptag); - stw(ptr + 6, 0); - stw(ptr + 8, 0); - stw(ptr + 10, 0); - stw(ptr + 12, 0); + cpu_stw_data(env, ptr, env->fpuc); + cpu_stw_data(env, ptr + 2, fpus); + cpu_stw_data(env, ptr + 4, fptag); + cpu_stw_data(env, ptr + 6, 0); + cpu_stw_data(env, ptr + 8, 0); + cpu_stw_data(env, ptr + 10, 0); + cpu_stw_data(env, ptr + 12, 0); } } -void helper_fldenv(target_ulong ptr, int data32) +void helper_fldenv(CPUX86State *env, target_ulong ptr, int data32) { int i, fpus, fptag; if (data32) { - env->fpuc = lduw(ptr); - fpus = lduw(ptr + 4); - fptag = lduw(ptr + 8); + env->fpuc = cpu_lduw_data(env, ptr); + fpus = cpu_lduw_data(env, ptr + 4); + fptag = cpu_lduw_data(env, ptr + 8); } else { - env->fpuc = lduw(ptr); - fpus = lduw(ptr + 2); - fptag = lduw(ptr + 4); + env->fpuc = cpu_lduw_data(env, ptr); + fpus = cpu_lduw_data(env, ptr + 2); + fptag = cpu_lduw_data(env, ptr + 4); } env->fpstt = (fpus >> 11) & 7; env->fpus = fpus & ~0x3800; @@ -1031,17 +1026,17 @@ void helper_fldenv(target_ulong ptr, int data32) } } -void helper_fsave(target_ulong ptr, int data32) +void helper_fsave(CPUX86State *env, target_ulong ptr, int data32) { floatx80 tmp; int i; - helper_fstenv(ptr, data32); + helper_fstenv(env, ptr, data32); ptr += (14 << data32); for (i = 0; i < 8; i++) { tmp = ST(i); - helper_fstt(tmp, ptr); + helper_fstt(env, tmp, ptr); ptr += 10; } @@ -1059,48 +1054,34 @@ void helper_fsave(target_ulong ptr, int data32) env->fptags[7] = 1; } -void helper_frstor(target_ulong ptr, int data32) +void helper_frstor(CPUX86State *env, target_ulong ptr, int data32) { floatx80 tmp; int i; - helper_fldenv(ptr, data32); + helper_fldenv(env, ptr, data32); ptr += (14 << data32); for (i = 0; i < 8; i++) { - tmp = helper_fldt(ptr); + tmp = helper_fldt(env, ptr); ST(i) = tmp; ptr += 10; } } #if defined(CONFIG_USER_ONLY) -void cpu_x86_fsave(CPUX86State *s, target_ulong ptr, int data32) +void cpu_x86_fsave(CPUX86State *env, target_ulong ptr, int data32) { - CPUX86State *saved_env; - - saved_env = env; - env = s; - - helper_fsave(ptr, data32); - - env = saved_env; + helper_fsave(env, ptr, data32); } -void cpu_x86_frstor(CPUX86State *s, target_ulong ptr, int data32) +void cpu_x86_frstor(CPUX86State *env, target_ulong ptr, int data32) { - CPUX86State *saved_env; - - saved_env = env; - env = s; - - helper_frstor(ptr, data32); - - env = saved_env; + helper_frstor(env, ptr, data32); } #endif -void helper_fxsave(target_ulong ptr, int data64) +void helper_fxsave(CPUX86State *env, target_ulong ptr, int data64) { int fpus, fptag, i, nb_xmm_regs; floatx80 tmp; @@ -1116,33 +1097,33 @@ void helper_fxsave(target_ulong ptr, int data64) for (i = 0; i < 8; i++) { fptag |= (env->fptags[i] << i); } - stw(ptr, env->fpuc); - stw(ptr + 2, fpus); - stw(ptr + 4, fptag ^ 0xff); + cpu_stw_data(env, ptr, env->fpuc); + cpu_stw_data(env, ptr + 2, fpus); + cpu_stw_data(env, ptr + 4, fptag ^ 0xff); #ifdef TARGET_X86_64 if (data64) { - stq(ptr + 0x08, 0); /* rip */ - stq(ptr + 0x10, 0); /* rdp */ + cpu_stq_data(env, ptr + 0x08, 0); /* rip */ + cpu_stq_data(env, ptr + 0x10, 0); /* rdp */ } else #endif { - stl(ptr + 0x08, 0); /* eip */ - stl(ptr + 0x0c, 0); /* sel */ - stl(ptr + 0x10, 0); /* dp */ - stl(ptr + 0x14, 0); /* sel */ + cpu_stl_data(env, ptr + 0x08, 0); /* eip */ + cpu_stl_data(env, ptr + 0x0c, 0); /* sel */ + cpu_stl_data(env, ptr + 0x10, 0); /* dp */ + cpu_stl_data(env, ptr + 0x14, 0); /* sel */ } addr = ptr + 0x20; for (i = 0; i < 8; i++) { tmp = ST(i); - helper_fstt(tmp, addr); + helper_fstt(env, tmp, addr); addr += 16; } if (env->cr[4] & CR4_OSFXSR_MASK) { /* XXX: finish it */ - stl(ptr + 0x18, env->mxcsr); /* mxcsr */ - stl(ptr + 0x1c, 0x0000ffff); /* mxcsr_mask */ + cpu_stl_data(env, ptr + 0x18, env->mxcsr); /* mxcsr */ + cpu_stl_data(env, ptr + 0x1c, 0x0000ffff); /* mxcsr_mask */ if (env->hflags & HF_CS64_MASK) { nb_xmm_regs = 16; } else { @@ -1154,15 +1135,15 @@ void helper_fxsave(target_ulong ptr, int data64) || (env->hflags & HF_CPL_MASK) || !(env->hflags & HF_LMA_MASK)) { for (i = 0; i < nb_xmm_regs; i++) { - stq(addr, env->xmm_regs[i].XMM_Q(0)); - stq(addr + 8, env->xmm_regs[i].XMM_Q(1)); + cpu_stq_data(env, addr, env->xmm_regs[i].XMM_Q(0)); + cpu_stq_data(env, addr + 8, env->xmm_regs[i].XMM_Q(1)); addr += 16; } } } } -void helper_fxrstor(target_ulong ptr, int data64) +void helper_fxrstor(CPUX86State *env, target_ulong ptr, int data64) { int i, fpus, fptag, nb_xmm_regs; floatx80 tmp; @@ -1173,9 +1154,9 @@ void helper_fxrstor(target_ulong ptr, int data64) raise_exception(env, EXCP0D_GPF); } - env->fpuc = lduw(ptr); - fpus = lduw(ptr + 2); - fptag = lduw(ptr + 4); + env->fpuc = cpu_lduw_data(env, ptr); + fpus = cpu_lduw_data(env, ptr + 2); + fptag = cpu_lduw_data(env, ptr + 4); env->fpstt = (fpus >> 11) & 7; env->fpus = fpus & ~0x3800; fptag ^= 0xff; @@ -1185,15 +1166,15 @@ void helper_fxrstor(target_ulong ptr, int data64) addr = ptr + 0x20; for (i = 0; i < 8; i++) { - tmp = helper_fldt(addr); + tmp = helper_fldt(env, addr); ST(i) = tmp; addr += 16; } if (env->cr[4] & CR4_OSFXSR_MASK) { /* XXX: finish it */ - env->mxcsr = ldl(ptr + 0x18); - /* ldl(ptr + 0x1c); */ + env->mxcsr = cpu_ldl_data(env, ptr + 0x18); + /* cpu_ldl_data(env, ptr + 0x1c); */ if (env->hflags & HF_CS64_MASK) { nb_xmm_regs = 16; } else { @@ -1205,8 +1186,8 @@ void helper_fxrstor(target_ulong ptr, int data64) || (env->hflags & HF_CPL_MASK) || !(env->hflags & HF_LMA_MASK)) { for (i = 0; i < nb_xmm_regs; i++) { - env->xmm_regs[i].XMM_Q(0) = ldq(addr); - env->xmm_regs[i].XMM_Q(1) = ldq(addr + 8); + env->xmm_regs[i].XMM_Q(0) = cpu_ldq_data(env, addr); + env->xmm_regs[i].XMM_Q(1) = cpu_ldq_data(env, addr + 8); addr += 16; } } @@ -1242,7 +1223,7 @@ floatx80 cpu_set_fp80(uint64_t mant, uint16_t upper) #define SSE_RC_CHOP 0x6000 #define SSE_FZ 0x8000 -static void update_sse_status(void) +static void update_sse_status(CPUX86State *env) { int rnd_type; @@ -1271,20 +1252,20 @@ static void update_sse_status(void) set_flush_to_zero((env->mxcsr & SSE_FZ) ? 1 : 0, &env->fp_status); } -void helper_ldmxcsr(uint32_t val) +void helper_ldmxcsr(CPUX86State *env, uint32_t val) { env->mxcsr = val; - update_sse_status(); + update_sse_status(env); } -void helper_enter_mmx(void) +void helper_enter_mmx(CPUX86State *env) { env->fpstt = 0; *(uint32_t *)(env->fptags) = 0; *(uint32_t *)(env->fptags + 4) = 0; } -void helper_emms(void) +void helper_emms(CPUX86State *env) { /* set to empty state */ *(uint32_t *)(env->fptags) = 0x01010101; @@ -1292,7 +1273,7 @@ void helper_emms(void) } /* XXX: suppress */ -void helper_movq(void *d, void *s) +void helper_movq(CPUX86State *env, void *d, void *s) { *(uint64_t *)d = *(uint64_t *)s; } |