1/* SPDX-License-Identifier: GPL-2.0 */
 2/*---------------------------------------------------------------------------+
 3 |  exception.h                                                              |
 4 |                                                                           |
 5 | Copyright (C) 1992    W. Metzenthen, 22 Parker St, Ormond, Vic 3163,      |
 6 |                       Australia.  E-mail   billm@vaxc.cc.monash.edu.au    |
 7 |                                                                           |
 8 +---------------------------------------------------------------------------*/
 9
10#ifndef _EXCEPTION_H_
11#define _EXCEPTION_H_
12
13#ifdef __ASSEMBLY__
14#define	Const_(x)	$##x
15#else
16#define	Const_(x)	x
17#endif
18
19#ifndef SW_C1
20#include "fpu_emu.h"
21#endif /* SW_C1 */
22
23#define FPU_BUSY        Const_(0x8000)	/* FPU busy bit (8087 compatibility) */
24#define EX_ErrorSummary Const_(0x0080)	/* Error summary status */
25/* Special exceptions: */
26#define	EX_INTERNAL	Const_(0x8000)	/* Internal error in wm-FPU-emu */
27#define EX_StackOver	Const_(0x0041|SW_C1)	/* stack overflow */
28#define EX_StackUnder	Const_(0x0041)	/* stack underflow */
29/* Exception flags: */
30#define EX_Precision	Const_(0x0020)	/* loss of precision */
31#define EX_Underflow	Const_(0x0010)	/* underflow */
32#define EX_Overflow	Const_(0x0008)	/* overflow */
33#define EX_ZeroDiv	Const_(0x0004)	/* divide by zero */
34#define EX_Denormal	Const_(0x0002)	/* denormalized operand */
35#define EX_Invalid	Const_(0x0001)	/* invalid operation */
36
37#define PRECISION_LOST_UP    Const_((EX_Precision | SW_C1))
38#define PRECISION_LOST_DOWN  Const_(EX_Precision)
39
40#ifndef __ASSEMBLY__
41
42#ifdef DEBUG
43#define	EXCEPTION(x)	{ printk("exception in %s at line %d\n", \
44	__FILE__, __LINE__); FPU_exception(x); }
45#else
46#define	EXCEPTION(x)	FPU_exception(x)
47#endif
48
49#endif /* __ASSEMBLY__ */
50
51#endif /* _EXCEPTION_H_ */

 
 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
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
22#define FPU_BUSY        Const_(0x8000)	/* FPU busy bit (8087 compatibility) */
23#define EX_ErrorSummary Const_(0x0080)	/* Error summary status */
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
36#define PRECISION_LOST_UP    Const_((EX_Precision | SW_C1))
37#define PRECISION_LOST_DOWN  Const_(EX_Precision)
38
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
48#endif /* __ASSEMBLY__ */
49
50#endif /* _EXCEPTION_H_ */