NetBSD/sys/arch/powerpc/include/psl.h

75 lines
2.7 KiB
C

/* $NetBSD: psl.h,v 1.2 1997/04/16 23:02:00 thorpej Exp $ */
/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
* Copyright (C) 1995, 1996 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _MACHINE_PSL_H_
#define _MACHINE_PSL_H_
/*
* Flags in MSR:
*/
#define PSL_POW 0x00040000
#define PSL_ILE 0x00010000
#define PSL_EE 0x00008000
#define PSL_PR 0x00004000
#define PSL_FP 0x00002000
#define PSL_ME 0x00001000
#define PSL_FE0 0x00000800
#define PSL_SE 0x00000400
#define PSL_BE 0x00000200
#define PSL_FE1 0x00000100
#define PSL_IP 0x00000040
#define PSL_IR 0x00000020
#define PSL_DR 0x00000010
#define PSL_RI 0x00000002
#define PSL_LE 0x00000001
/*
* Floating-point exception modes:
*/
#define PSL_FE_DIS 0
#define PSL_FE_NONREC PSL_FE1
#define PSL_FE_REC PSL_FE0
#define PSL_FE_PREC (PSL_FE0 | PSL_FE1)
#define PSL_FE_DFLT PSL_FE_DIS
/*
* Note that PSL_POW and PSL_ILE are not in the saved copy of the MSR
*/
#define PSL_MBO 0
#define PSL_MBZ 0
#define PSL_USERSET (PSL_EE | PSL_PR | PSL_ME | PSL_IR | PSL_DR | PSL_RI)
#define PSL_USERSTATIC (PSL_USERSET | PSL_IP | 0x87c0008c)
#endif /* _MACHINE_PSL_H_ */