/*---------------------------------------------------------------------------+ |  exception.h                                                              | |                                                                           | | Copyright (C) 1992    W. Metzenthen, 22 Parker St, Ormond, Vic 3163,      | |                       Australia.  E-mail   billm@vaxc.cc.monash.edu.au    | |                                                                           | +---------------------------------------------------------------------------*/#ifndef _EXCEPTION_H_#define _EXCEPTION_H_#ifdef __ASSEMBLY__#define	Const_(x)	$##x#else#define	Const_(x)	x#endif#ifndef SW_C1#include "fpu_emu.h"#endif /* SW_C1 */#define FPU_BUSY        Const_(0x8000)   /* FPU busy bit (8087 compatibility) */#define EX_ErrorSummary Const_(0x0080)   /* Error summary status *//* Special exceptions: */#define	EX_INTERNAL	Const_(0x8000)	/* Internal error in wm-FPU-emu */#define EX_StackOver	Const_(0x0041|SW_C1)	/* stack overflow */#define EX_StackUnder	Const_(0x0041)	/* stack underflow *//* Exception flags: */#define EX_Precision	Const_(0x0020)	/* loss of precision */#define EX_Underflow	Const_(0x0010)	/* underflow */#define EX_Overflow	Const_(0x0008)	/* overflow */#define EX_ZeroDiv	Const_(0x0004)	/* divide by zero */#define EX_Denormal	Const_(0x0002)	/* denormalized operand */#define EX_Invalid	Const_(0x0001)	/* invalid operation */#define PRECISION_LOST_UP    Const_((EX_Precision | SW_C1))#define PRECISION_LOST_DOWN  Const_(EX_Precision)#ifndef __ASSEMBLY__#ifdef DEBUG#define	EXCEPTION(x)	{ printk("exception in %s at line %d\n", \	__FILE__, __LINE__); FPU_exception(x); }#else#define	EXCEPTION(x)	FPU_exception(x)#endif#endif /* __ASSEMBLY__ */ #endif /* _EXCEPTION_H_ */