cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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exception.h (1853B)

      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_ */