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/* $OpenBSD: math_emu.h,v 1.1 1996/08/27 10:32:52 downsj Exp $ */
/*
*
* $FreeBSD: math_emu.h,v 1.2 1994/04/29 21:23:24 gclarkii Exp $
*
*/
#ifndef _MATH_EMU_H
#define _MATH_EMU_H
struct fpu_reg {
char sign;
char tag;
long exp;
u_long sigl;
u_long sigh;
};
union i387_union {
struct i387_hard_struct {
long cwd;
long swd;
long twd;
long fip;
long fcs;
long foo;
long fos;
long st_space[20]; /* 8*10 bytes for each FP-reg = 80
* bytes */
} hard;
struct i387_soft_struct {
long cwd;
long swd;
long twd;
long fip;
long fcs;
long foo;
long fos;
long top;
struct fpu_reg regs[8]; /* 8*16 bytes for each FP-reg = 128
* bytes */
unsigned char lookahead;
struct trapframe *frame;
unsigned long entry_eip;
int orig_eip;
} soft;
};
#endif
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