/////////////////////////////////////////////////////////////////////////
// $Id: fpu_proto.h,v 1.10 2003/08/01 09:32:33 sshwarts Exp $
/////////////////////////////////////////////////////////////////////////
//
//  Copyright (C) 2001  MandrakeSoft S.A.
//
//    MandrakeSoft S.A.
//    43, rue d'Aboukir
//    75002 Paris - France
//    http://www.linux-mandrake.com/
//    http://www.mandrakesoft.com/
//
//  This library is free software; you can redistribute it and/or
//  modify it under the terms of the GNU Lesser General Public
//  License as published by the Free Software Foundation; either
//  version 2 of the License, or (at your option) any later version.
//
//  This library is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
//  Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public
//  License along with this library; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA

//
// bochs.h is the master header file for all C++ code.  It includes all 
// the system header files needed by bochs, and also includes all the bochs
// C++ header files.  Because bochs.h and the files that it includes has 
// structure and class definitions, it cannot be called from C code.
// 

#ifndef _FPU_PROTO_H
#define _FPU_PROTO_H

/* errors.c */
extern void Un_impl(void);
extern void FPU_illegal(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);
extern int arith_invalid(int deststnr);
extern int FPU_divide_by_zero(int deststnr, u_char sign);
extern int set_precision_flag(int flags);
extern void set_precision_flag_up(void);
extern void set_precision_flag_down(void);
extern int denormal_operand(void);
extern int arith_overflow(FPU_REG *dest);
extern int arith_round_overflow(FPU_REG *dest, u8 sign);
extern 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 fclex(void);
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 */
extern void math_abort(void *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) BX_CPP_AttrRegparmN(1);
extern int FPU_gettag(int regnr) BX_CPP_AttrRegparmN(1);
extern void FPU_settag0(int tag) BX_CPP_AttrRegparmN(1);
extern void FPU_settagi(int stnr, int tag) BX_CPP_AttrRegparmN(2);
extern void FPU_settag(int regnr, int tag) BX_CPP_AttrRegparmN(2);
extern int FPU_Special(FPU_REG const *ptr) BX_CPP_AttrRegparmN(1);
extern int isNaN(FPU_REG const *ptr) BX_CPP_AttrRegparmN(1);
extern void FPU_pop(void);
extern int FPU_empty_i(int stnr) BX_CPP_AttrRegparmN(1);
extern int FPU_stackoverflow(FPU_REG **st_new_ptr);
extern void FPU_sync_tags(void);
extern void FPU_copy_to_regi(FPU_REG const *r, u_char tag, int stnr) BX_CPP_AttrRegparmN(3);
extern void FPU_copy_to_reg1(FPU_REG const *r, u_char tag) BX_CPP_AttrRegparmN(2);
extern void FPU_copy_to_reg0(FPU_REG const *r, u_char tag) BX_CPP_AttrRegparmN(2);
/* fpu_trig.c */
extern void FPU_triga(void);
extern void FPU_trigb(void);
/* load_store.c */
extern int FPU_load_store(u_char type, fpu_addr_modes addr_modes,
			    bx_address 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, int flag);
/* reg_add_sub.c */
extern int FPU_add(FPU_REG const *b, u_char tagb, int destrnr, u16 control_w);
extern int FPU_sub(int flags, FPU_REG *rm, u16 control_w);   // bbd: changed arg2 from int to FPU_REG*
/* 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(bx_address s, int stnr) BX_CPP_AttrRegparmN(2);
extern int FPU_load_double(bx_address dfloat, FPU_REG *loaded_data) BX_CPP_AttrRegparmN(2);
extern int FPU_load_single(bx_address single, FPU_REG *loaded_data) BX_CPP_AttrRegparmN(2);
extern int FPU_load_int64(bx_address _s) BX_CPP_AttrRegparmN(1);
extern int FPU_load_int32(bx_address _s, FPU_REG *loaded_data) BX_CPP_AttrRegparmN(2);
extern int FPU_load_int16(bx_address _s, FPU_REG *loaded_data) BX_CPP_AttrRegparmN(2);
extern int FPU_load_bcd(bx_address s) BX_CPP_AttrRegparmN(1);
extern int FPU_store_extended(FPU_REG *st0_ptr, u_char st0_tag,
			      bx_address d) BX_CPP_AttrRegparmN(3);
extern int FPU_store_double(FPU_REG *st0_ptr, u_char st0_tag, bx_address dfloat) BX_CPP_AttrRegparmN(3);
extern int FPU_store_single(FPU_REG *st0_ptr, u_char st0_tag, bx_address single) BX_CPP_AttrRegparmN(3);
extern int FPU_store_int64(FPU_REG *st0_ptr, u_char st0_tag, bx_address d) BX_CPP_AttrRegparmN(3);
extern int FPU_store_int32(FPU_REG *st0_ptr, u_char st0_tag, bx_address d) BX_CPP_AttrRegparmN(3);
extern int FPU_store_int16(FPU_REG *st0_ptr, u_char st0_tag, bx_address d) BX_CPP_AttrRegparmN(3);
extern int FPU_store_bcd(FPU_REG *st0_ptr, u_char st0_tag, bx_address d) BX_CPP_AttrRegparmN(3);
extern int FPU_round_to_int(FPU_REG *r, u_char tag) BX_CPP_AttrRegparmN(2);
extern bx_address fldenv(fpu_addr_modes addr_modes, bx_address s) BX_CPP_AttrRegparmN(2);
extern void frstor(fpu_addr_modes addr_modes, bx_address data_address) BX_CPP_AttrRegparmN(2);
extern bx_address fstenv(fpu_addr_modes addr_modes, bx_address d) BX_CPP_AttrRegparmN(2);
extern void fsave(fpu_addr_modes addr_modes, bx_address data_address) BX_CPP_AttrRegparmN(2);
extern int FPU_tagof(FPU_REG *ptr) BX_CPP_AttrRegparmN(1);
/* 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, FPU_REG *regrm, int control_w); // bbd: changed arg2 from int to FPU_REG*
/* reg_convert.c */
extern int FPU_to_exp16(FPU_REG const *a, FPU_REG *x) BX_CPP_AttrRegparmN(2);
#endif /* _FPU_PROTO_H */

