mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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9a9d8642d0
Run-tested by booting with "no387 nofxsr" and running test program: [RUN] Testing fcmovCC instructions [OK] fcmovCC Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Kees Cook <keescook@chromium.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Link: http://lkml.kernel.org/r/1442588010-20055-3-git-send-email-dvlasenk@redhat.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
156 lines
5.8 KiB
C
156 lines
5.8 KiB
C
#ifndef _FPU_PROTO_H
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#define _FPU_PROTO_H
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/* errors.c */
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extern void FPU_illegal(void);
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extern void FPU_printall(void);
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asmlinkage void FPU_exception(int n);
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extern int real_1op_NaN(FPU_REG *a);
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extern int real_2op_NaN(FPU_REG const *b, u_char tagb, int deststnr,
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FPU_REG const *defaultNaN);
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asmlinkage int arith_invalid(int deststnr);
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asmlinkage int FPU_divide_by_zero(int deststnr, u_char sign);
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extern int set_precision_flag(int flags);
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asmlinkage void set_precision_flag_up(void);
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asmlinkage void set_precision_flag_down(void);
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asmlinkage int denormal_operand(void);
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asmlinkage int arith_overflow(FPU_REG *dest);
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asmlinkage int arith_underflow(FPU_REG *dest);
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extern void FPU_stack_overflow(void);
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extern void FPU_stack_underflow(void);
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extern void FPU_stack_underflow_i(int i);
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extern void FPU_stack_underflow_pop(int i);
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/* fpu_arith.c */
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extern void fadd__(void);
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extern void fmul__(void);
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extern void fsub__(void);
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extern void fsubr_(void);
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extern void fdiv__(void);
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extern void fdivr_(void);
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extern void fadd_i(void);
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extern void fmul_i(void);
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extern void fsubri(void);
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extern void fsub_i(void);
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extern void fdivri(void);
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extern void fdiv_i(void);
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extern void faddp_(void);
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extern void fmulp_(void);
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extern void fsubrp(void);
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extern void fsubp_(void);
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extern void fdivrp(void);
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extern void fdivp_(void);
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/* fpu_aux.c */
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extern void finit(void);
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extern void finit_(void);
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extern void fstsw_(void);
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extern void fp_nop(void);
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extern void fld_i_(void);
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extern void fxch_i(void);
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extern void fcmovb(void);
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extern void fcmove(void);
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extern void fcmovbe(void);
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extern void fcmovu(void);
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extern void fcmovnb(void);
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extern void fcmovne(void);
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extern void fcmovnbe(void);
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extern void fcmovnu(void);
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extern void ffree_(void);
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extern void ffreep(void);
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extern void fst_i_(void);
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extern void fstp_i(void);
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/* fpu_entry.c */
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extern void math_emulate(struct math_emu_info *info);
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extern void math_abort(struct math_emu_info *info, unsigned int signal);
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/* fpu_etc.c */
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extern void FPU_etc(void);
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/* fpu_tags.c */
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extern int FPU_gettag0(void);
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extern int FPU_gettagi(int stnr);
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extern int FPU_gettag(int regnr);
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extern void FPU_settag0(int tag);
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extern void FPU_settagi(int stnr, int tag);
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extern void FPU_settag(int regnr, int tag);
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extern int FPU_Special(FPU_REG const *ptr);
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extern int isNaN(FPU_REG const *ptr);
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extern void FPU_pop(void);
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extern int FPU_empty_i(int stnr);
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extern int FPU_stackoverflow(FPU_REG ** st_new_ptr);
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extern void FPU_copy_to_regi(FPU_REG const *r, u_char tag, int stnr);
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extern void FPU_copy_to_reg1(FPU_REG const *r, u_char tag);
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extern void FPU_copy_to_reg0(FPU_REG const *r, u_char tag);
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/* fpu_trig.c */
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extern void FPU_triga(void);
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extern void FPU_trigb(void);
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/* get_address.c */
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extern void __user *FPU_get_address(u_char FPU_modrm, unsigned long *fpu_eip,
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struct address *addr,
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fpu_addr_modes addr_modes);
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extern void __user *FPU_get_address_16(u_char FPU_modrm, unsigned long *fpu_eip,
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struct address *addr,
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fpu_addr_modes addr_modes);
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/* load_store.c */
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extern int FPU_load_store(u_char type, fpu_addr_modes addr_modes,
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void __user * data_address);
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/* poly_2xm1.c */
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extern int poly_2xm1(u_char sign, FPU_REG * arg, FPU_REG *result);
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/* poly_atan.c */
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extern void poly_atan(FPU_REG * st0_ptr, u_char st0_tag, FPU_REG *st1_ptr,
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u_char st1_tag);
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/* poly_l2.c */
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extern void poly_l2(FPU_REG *st0_ptr, FPU_REG *st1_ptr, u_char st1_sign);
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extern int poly_l2p1(u_char s0, u_char s1, FPU_REG *r0, FPU_REG *r1,
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FPU_REG * d);
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/* poly_sin.c */
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extern void poly_sine(FPU_REG *st0_ptr);
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extern void poly_cos(FPU_REG *st0_ptr);
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/* poly_tan.c */
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extern void poly_tan(FPU_REG *st0_ptr);
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/* reg_add_sub.c */
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extern int FPU_add(FPU_REG const *b, u_char tagb, int destrnr, int control_w);
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extern int FPU_sub(int flags, int rm, int control_w);
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/* reg_compare.c */
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extern int FPU_compare_st_data(FPU_REG const *loaded_data, u_char loaded_tag);
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extern void fcom_st(void);
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extern void fcompst(void);
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extern void fcompp(void);
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extern void fucom_(void);
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extern void fucomp(void);
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extern void fucompp(void);
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extern void fcomi_(void);
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extern void fcomip(void);
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extern void fucomi_(void);
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extern void fucomip(void);
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/* reg_constant.c */
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extern void fconst(void);
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/* reg_ld_str.c */
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extern int FPU_load_extended(long double __user *s, int stnr);
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extern int FPU_load_double(double __user *dfloat, FPU_REG *loaded_data);
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extern int FPU_load_single(float __user *single, FPU_REG *loaded_data);
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extern int FPU_load_int64(long long __user *_s);
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extern int FPU_load_int32(long __user *_s, FPU_REG *loaded_data);
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extern int FPU_load_int16(short __user *_s, FPU_REG *loaded_data);
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extern int FPU_load_bcd(u_char __user *s);
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extern int FPU_store_extended(FPU_REG *st0_ptr, u_char st0_tag,
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long double __user * d);
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extern int FPU_store_double(FPU_REG *st0_ptr, u_char st0_tag,
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double __user * dfloat);
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extern int FPU_store_single(FPU_REG *st0_ptr, u_char st0_tag,
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float __user * single);
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extern int FPU_store_int64(FPU_REG *st0_ptr, u_char st0_tag,
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long long __user * d);
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extern int FPU_store_int32(FPU_REG *st0_ptr, u_char st0_tag, long __user *d);
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extern int FPU_store_int16(FPU_REG *st0_ptr, u_char st0_tag, short __user *d);
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extern int FPU_store_bcd(FPU_REG *st0_ptr, u_char st0_tag, u_char __user *d);
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extern int FPU_round_to_int(FPU_REG *r, u_char tag);
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extern u_char __user *fldenv(fpu_addr_modes addr_modes, u_char __user *s);
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extern void frstor(fpu_addr_modes addr_modes, u_char __user *data_address);
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extern u_char __user *fstenv(fpu_addr_modes addr_modes, u_char __user *d);
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extern void fsave(fpu_addr_modes addr_modes, u_char __user *data_address);
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extern int FPU_tagof(FPU_REG *ptr);
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/* reg_mul.c */
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extern int FPU_mul(FPU_REG const *b, u_char tagb, int deststnr, int control_w);
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extern int FPU_div(int flags, int regrm, int control_w);
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/* reg_convert.c */
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extern int FPU_to_exp16(FPU_REG const *a, FPU_REG *x);
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#endif /* _FPU_PROTO_H */
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