📄 fpu_proto.h
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#ifndef _FPU_PROTO_H#define _FPU_PROTO_H/* errors.c */extern void FPU_illegal(void);extern void FPU_printall(void);asmlinkage void FPU_exception(int n);extern int real_1op_NaN(FPU_REG *a);extern int real_2op_NaN(FPU_REG const *b, u_char tagb, int deststnr, FPU_REG const *defaultNaN);asmlinkage int arith_invalid(int deststnr);asmlinkage int FPU_divide_by_zero(int deststnr, u_char sign);extern int set_precision_flag(int flags);asmlinkage void set_precision_flag_up(void);asmlinkage void set_precision_flag_down(void);asmlinkage int denormal_operand(void);asmlinkage int arith_overflow(FPU_REG *dest);asmlinkage int arith_underflow(FPU_REG *dest);extern void FPU_stack_overflow(void);extern void FPU_stack_underflow(void);extern void FPU_stack_underflow_i(int i);extern void FPU_stack_underflow_pop(int i);/* fpu_arith.c */extern void fadd__(void);extern void fmul__(void);extern void fsub__(void);extern void fsubr_(void);extern void fdiv__(void);extern void fdivr_(void);extern void fadd_i(void);extern void fmul_i(void);extern void fsubri(void);extern void fsub_i(void);extern void fdivri(void);extern void fdiv_i(void);extern void faddp_(void);extern void fmulp_(void);extern void fsubrp(void);extern void fsubp_(void);extern void fdivrp(void);extern void fdivp_(void);/* fpu_aux.c */extern void finit(void);extern void finit_(void);extern void fstsw_(void);extern void fp_nop(void);extern void fld_i_(void);extern void fxch_i(void);extern void ffree_(void);extern void ffreep(void);extern void fst_i_(void);extern void fstp_i(void);/* fpu_entry.c */asmlinkage extern void math_emulate(long arg);extern void math_abort(struct info *info, unsigned int signal);/* fpu_etc.c */extern void FPU_etc(void);/* fpu_tags.c */extern int FPU_gettag0(void);extern int FPU_gettagi(int stnr);extern int FPU_gettag(int regnr);extern void FPU_settag0(int tag);extern void FPU_settagi(int stnr, int tag);extern void FPU_settag(int regnr, int tag);extern int FPU_Special(FPU_REG const *ptr);extern int isNaN(FPU_REG const *ptr);extern void FPU_pop(void);extern int FPU_empty_i(int stnr);extern int FPU_stackoverflow(FPU_REG **st_new_ptr);extern void FPU_copy_to_regi(FPU_REG const *r, u_char tag, int stnr);extern void FPU_copy_to_reg1(FPU_REG const *r, u_char tag);extern void FPU_copy_to_reg0(FPU_REG const *r, u_char tag);/* fpu_trig.c */extern void FPU_triga(void);extern void FPU_trigb(void);/* get_address.c */extern void __user *FPU_get_address(u_char FPU_modrm, unsigned long *fpu_eip, struct address *addr, fpu_addr_modes addr_modes);extern void __user *FPU_get_address_16(u_char FPU_modrm, unsigned long *fpu_eip, struct address *addr, fpu_addr_modes addr_modes);/* load_store.c */extern int FPU_load_store(u_char type, fpu_addr_modes addr_modes, void __user *data_address);/* poly_2xm1.c */extern int poly_2xm1(u_char sign, FPU_REG *arg, FPU_REG *result);/* poly_atan.c */extern void poly_atan(FPU_REG *st0_ptr, u_char st0_tag, FPU_REG *st1_ptr, u_char st1_tag);/* poly_l2.c */extern void poly_l2(FPU_REG *st0_ptr, FPU_REG *st1_ptr, u_char st1_sign);extern int poly_l2p1(u_char s0, u_char s1, FPU_REG *r0, FPU_REG *r1, FPU_REG *d);/* poly_sin.c */extern void poly_sine(FPU_REG *st0_ptr);extern void poly_cos(FPU_REG *st0_ptr);/* poly_tan.c */extern void poly_tan(FPU_REG *st0_ptr);/* reg_add_sub.c */extern int FPU_add(FPU_REG const *b, u_char tagb, int destrnr, int control_w);extern int FPU_sub(int flags, int rm, int control_w);/* reg_compare.c */extern int FPU_compare_st_data(FPU_REG const *loaded_data, u_char loaded_tag);extern void fcom_st(void);extern void fcompst(void);extern void fcompp(void);extern void fucom_(void);extern void fucomp(void);extern void fucompp(void);/* reg_constant.c */extern void fconst(void);/* reg_ld_str.c */extern int FPU_load_extended(long double __user *s, int stnr);extern int FPU_load_double(double __user *dfloat, FPU_REG *loaded_data);extern int FPU_load_single(float __user *single, FPU_REG *loaded_data);extern int FPU_load_int64(long long __user *_s);extern int FPU_load_int32(long __user *_s, FPU_REG *loaded_data);extern int FPU_load_int16(short __user *_s, FPU_REG *loaded_data);extern int FPU_load_bcd(u_char __user *s);extern int FPU_store_extended(FPU_REG *st0_ptr, u_char st0_tag, long double __user *d);extern int FPU_store_double(FPU_REG *st0_ptr, u_char st0_tag, double __user *dfloat);extern int FPU_store_single(FPU_REG *st0_ptr, u_char st0_tag, float __user *single);extern int FPU_store_int64(FPU_REG *st0_ptr, u_char st0_tag, long long __user *d);extern int FPU_store_int32(FPU_REG *st0_ptr, u_char st0_tag, long __user *d);extern int FPU_store_int16(FPU_REG *st0_ptr, u_char st0_tag, short __user *d);extern int FPU_store_bcd(FPU_REG *st0_ptr, u_char st0_tag, u_char __user *d);extern int FPU_round_to_int(FPU_REG *r, u_char tag);extern u_char __user *fldenv(fpu_addr_modes addr_modes, u_char __user *s);extern void frstor(fpu_addr_modes addr_modes, u_char __user *data_address);extern u_char __user *fstenv(fpu_addr_modes addr_modes, u_char __user *d);extern void fsave(fpu_addr_modes addr_modes, u_char __user *data_address);extern int FPU_tagof(FPU_REG *ptr);/* reg_mul.c */extern int FPU_mul(FPU_REG const *b, u_char tagb, int deststnr, int control_w);extern int FPU_div(int flags, int regrm, int control_w);/* reg_convert.c */extern int FPU_to_exp16(FPU_REG const *a, FPU_REG *x);#endif /* _FPU_PROTO_H */
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