[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / x86 / math-emu / exception.h

/*---------------------------------------------------------------------------+
 |  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_ */
Commit	Line	Data
1da177e4 LT	1	/*---------------------------------------------------------------------------+
	2	\| exception.h \|
	3	\| \|
	4	\| Copyright (C) 1992 W. Metzenthen, 22 Parker St, Ormond, Vic 3163, \|
	5	\| Australia. E-mail billm@vaxc.cc.monash.edu.au \|
	6	\| \|
	7	+---------------------------------------------------------------------------*/
	8
	9	#ifndef _EXCEPTION_H_
	10	#define _EXCEPTION_H_
	11
1da177e4 LT	12	#ifdef __ASSEMBLY__
	13	#define Const_(x) $##x
	14	#else
	15	#define Const_(x) x
	16	#endif
	17
	18	#ifndef SW_C1
	19	#include "fpu_emu.h"
	20	#endif /* SW_C1 */
	21
3d0d14f9 IM	22	#define FPU_BUSY Const_(0x8000) /* FPU busy bit (8087 compatibility) */
3d0d14f9 IM	23	#define EX_ErrorSummary Const_(0x0080) /* Error summary status */
1da177e4 LT	24	/* Special exceptions: */
	25	#define EX_INTERNAL Const_(0x8000) /* Internal error in wm-FPU-emu */
	26	#define EX_StackOver Const_(0x0041\|SW_C1) /* stack overflow */
	27	#define EX_StackUnder Const_(0x0041) /* stack underflow */
	28	/* Exception flags: */
	29	#define EX_Precision Const_(0x0020) /* loss of precision */
	30	#define EX_Underflow Const_(0x0010) /* underflow */
	31	#define EX_Overflow Const_(0x0008) /* overflow */
	32	#define EX_ZeroDiv Const_(0x0004) /* divide by zero */
	33	#define EX_Denormal Const_(0x0002) /* denormalized operand */
	34	#define EX_Invalid Const_(0x0001) /* invalid operation */
	35
1da177e4 LT	36	#define PRECISION_LOST_UP Const_((EX_Precision \| SW_C1))
	37	#define PRECISION_LOST_DOWN Const_(EX_Precision)
	38
1da177e4 LT	39	#ifndef __ASSEMBLY__
	40
	41	#ifdef DEBUG
	42	#define EXCEPTION(x) { printk("exception in %s at line %d\n", \
	43	__FILE__, __LINE__); FPU_exception(x); }
	44	#else
	45	#define EXCEPTION(x) FPU_exception(x)
	46	#endif
	47
3d0d14f9	48	#endif /* __ASSEMBLY__ */
1da177e4 LT	49
1da177e4 LT	50	#endif /* _EXCEPTION_H_ */