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Linux/arch/x86/math-emu/fpu_proto.h

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  1 /* SPDX-License-Identifier: GPL-2.0 */
  2 #ifndef _FPU_PROTO_H
  3 #define _FPU_PROTO_H
  4 
  5 /* errors.c */
  6 extern void FPU_illegal(void);
  7 extern void FPU_printall(void);
  8 asmlinkage void FPU_exception(int n);
  9 extern int real_1op_NaN(FPU_REG *a);
 10 extern int real_2op_NaN(FPU_REG const *b, u_char tagb, int deststnr,
 11                         FPU_REG const *defaultNaN);
 12 asmlinkage int arith_invalid(int deststnr);
 13 asmlinkage int FPU_divide_by_zero(int deststnr, u_char sign);
 14 extern int set_precision_flag(int flags);
 15 asmlinkage void set_precision_flag_up(void);
 16 asmlinkage void set_precision_flag_down(void);
 17 asmlinkage int denormal_operand(void);
 18 asmlinkage int arith_overflow(FPU_REG *dest);
 19 asmlinkage int arith_underflow(FPU_REG *dest);
 20 extern void FPU_stack_overflow(void);
 21 extern void FPU_stack_underflow(void);
 22 extern void FPU_stack_underflow_i(int i);
 23 extern void FPU_stack_underflow_pop(int i);
 24 /* fpu_arith.c */
 25 extern void fadd__(void);
 26 extern void fmul__(void);
 27 extern void fsub__(void);
 28 extern void fsubr_(void);
 29 extern void fdiv__(void);
 30 extern void fdivr_(void);
 31 extern void fadd_i(void);
 32 extern void fmul_i(void);
 33 extern void fsubri(void);
 34 extern void fsub_i(void);
 35 extern void fdivri(void);
 36 extern void fdiv_i(void);
 37 extern void faddp_(void);
 38 extern void fmulp_(void);
 39 extern void fsubrp(void);
 40 extern void fsubp_(void);
 41 extern void fdivrp(void);
 42 extern void fdivp_(void);
 43 /* fpu_aux.c */
 44 extern void finit(void);
 45 extern void finit_(void);
 46 extern void fstsw_(void);
 47 extern void fp_nop(void);
 48 extern void fld_i_(void);
 49 extern void fxch_i(void);
 50 extern void fcmovb(void);
 51 extern void fcmove(void);
 52 extern void fcmovbe(void);
 53 extern void fcmovu(void);
 54 extern void fcmovnb(void);
 55 extern void fcmovne(void);
 56 extern void fcmovnbe(void);
 57 extern void fcmovnu(void);
 58 extern void ffree_(void);
 59 extern void ffreep(void);
 60 extern void fst_i_(void);
 61 extern void fstp_i(void);
 62 /* fpu_entry.c */
 63 extern void math_emulate(struct math_emu_info *info);
 64 extern void math_abort(struct math_emu_info *info, unsigned int signal);
 65 /* fpu_etc.c */
 66 extern void FPU_etc(void);
 67 /* fpu_tags.c */
 68 extern int FPU_gettag0(void);
 69 extern int FPU_gettagi(int stnr);
 70 extern int FPU_gettag(int regnr);
 71 extern void FPU_settag0(int tag);
 72 extern void FPU_settagi(int stnr, int tag);
 73 extern void FPU_settag(int regnr, int tag);
 74 extern int FPU_Special(FPU_REG const *ptr);
 75 extern int isNaN(FPU_REG const *ptr);
 76 extern void FPU_pop(void);
 77 extern int FPU_empty_i(int stnr);
 78 extern int FPU_stackoverflow(FPU_REG ** st_new_ptr);
 79 extern void FPU_copy_to_regi(FPU_REG const *r, u_char tag, int stnr);
 80 extern void FPU_copy_to_reg1(FPU_REG const *r, u_char tag);
 81 extern void FPU_copy_to_reg0(FPU_REG const *r, u_char tag);
 82 /* fpu_trig.c */
 83 extern void FPU_triga(void);
 84 extern void FPU_trigb(void);
 85 /* get_address.c */
 86 extern void __user *FPU_get_address(u_char FPU_modrm, unsigned long *fpu_eip,
 87                                     struct address *addr,
 88                                     fpu_addr_modes addr_modes);
 89 extern void __user *FPU_get_address_16(u_char FPU_modrm, unsigned long *fpu_eip,
 90                                        struct address *addr,
 91                                        fpu_addr_modes addr_modes);
 92 /* load_store.c */
 93 extern int FPU_load_store(u_char type, fpu_addr_modes addr_modes,
 94                           void __user * data_address);
 95 /* poly_2xm1.c */
 96 extern int poly_2xm1(u_char sign, FPU_REG * arg, FPU_REG *result);
 97 /* poly_atan.c */
 98 extern void poly_atan(FPU_REG * st0_ptr, u_char st0_tag, FPU_REG *st1_ptr,
 99                       u_char st1_tag);
100 /* poly_l2.c */
101 extern void poly_l2(FPU_REG *st0_ptr, FPU_REG *st1_ptr, u_char st1_sign);
102 extern int poly_l2p1(u_char s0, u_char s1, FPU_REG *r0, FPU_REG *r1,
103                      FPU_REG * d);
104 /* poly_sin.c */
105 extern void poly_sine(FPU_REG *st0_ptr);
106 extern void poly_cos(FPU_REG *st0_ptr);
107 /* poly_tan.c */
108 extern void poly_tan(FPU_REG *st0_ptr);
109 /* reg_add_sub.c */
110 extern int FPU_add(FPU_REG const *b, u_char tagb, int destrnr, int control_w);
111 extern int FPU_sub(int flags, int rm, int control_w);
112 /* reg_compare.c */
113 extern int FPU_compare_st_data(FPU_REG const *loaded_data, u_char loaded_tag);
114 extern void fcom_st(void);
115 extern void fcompst(void);
116 extern void fcompp(void);
117 extern void fucom_(void);
118 extern void fucomp(void);
119 extern void fucompp(void);
120 extern void fcomi_(void);
121 extern void fcomip(void);
122 extern void fucomi_(void);
123 extern void fucomip(void);
124 /* reg_constant.c */
125 extern void fconst(void);
126 /* reg_ld_str.c */
127 extern int FPU_load_extended(long double __user *s, int stnr);
128 extern int FPU_load_double(double __user *dfloat, FPU_REG *loaded_data);
129 extern int FPU_load_single(float __user *single, FPU_REG *loaded_data);
130 extern int FPU_load_int64(long long __user *_s);
131 extern int FPU_load_int32(long __user *_s, FPU_REG *loaded_data);
132 extern int FPU_load_int16(short __user *_s, FPU_REG *loaded_data);
133 extern int FPU_load_bcd(u_char __user *s);
134 extern int FPU_store_extended(FPU_REG *st0_ptr, u_char st0_tag,
135                               long double __user * d);
136 extern int FPU_store_double(FPU_REG *st0_ptr, u_char st0_tag,
137                             double __user * dfloat);
138 extern int FPU_store_single(FPU_REG *st0_ptr, u_char st0_tag,
139                             float __user * single);
140 extern int FPU_store_int64(FPU_REG *st0_ptr, u_char st0_tag,
141                            long long __user * d);
142 extern int FPU_store_int32(FPU_REG *st0_ptr, u_char st0_tag, long __user *d);
143 extern int FPU_store_int16(FPU_REG *st0_ptr, u_char st0_tag, short __user *d);
144 extern int FPU_store_bcd(FPU_REG *st0_ptr, u_char st0_tag, u_char __user *d);
145 extern int FPU_round_to_int(FPU_REG *r, u_char tag);
146 extern u_char __user *fldenv(fpu_addr_modes addr_modes, u_char __user *s);
147 extern void FPU_frstor(fpu_addr_modes addr_modes, u_char __user *data_address);
148 extern u_char __user *fstenv(fpu_addr_modes addr_modes, u_char __user *d);
149 extern void fsave(fpu_addr_modes addr_modes, u_char __user *data_address);
150 extern int FPU_tagof(FPU_REG *ptr);
151 /* reg_mul.c */
152 extern int FPU_mul(FPU_REG const *b, u_char tagb, int deststnr, int control_w);
153 
154 extern int FPU_div(int flags, int regrm, int control_w);
155 /* reg_convert.c */
156 extern int FPU_to_exp16(FPU_REG const *a, FPU_REG *x);
157 #endif /* _FPU_PROTO_H */
158 

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