79 lines
3.0 KiB
C
79 lines
3.0 KiB
C
/*-
|
|
* Copyright (c) 1990 The Regents of the University of California.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* William Jolitz.
|
|
*
|
|
* 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 the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 THE REGENTS OR CONTRIBUTORS 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.
|
|
*
|
|
* @(#)psl.h 5.2 (Berkeley) 1/18/91
|
|
*
|
|
* psl.h,v 1.1.1.1 1993/09/09 23:53:47 phil Exp
|
|
*/
|
|
|
|
#ifndef _MACHINE_PSL_H_
|
|
#define _MACHINE_PSL_H_
|
|
|
|
/*
|
|
* 32532 processor status longword.
|
|
*/
|
|
#define PSL_C 0x00000001 /* carry bit */
|
|
#define PSL_T 0x00000002 /* trace enable bit */
|
|
#define PSL_L 0x00000004 /* less bit */
|
|
#define PSL_V 0x00000010 /* overflow bit */
|
|
#define PSL_F 0x00000020 /* flag bit */
|
|
#define PSL_Z 0x00000040 /* zero bit */
|
|
#define PSL_N 0x00000080 /* negative bit */
|
|
|
|
#define PSL_USER 0x00000100 /* User mode bit */
|
|
#define PSL_US 0x00000200 /* User stack mode bit */
|
|
#define PSL_P 0x00000400 /* Prevent TRC trap */
|
|
#define PSL_I 0x00000800 /* interrupt enable bit */
|
|
|
|
#define PSL_MBZ 0x00000000 /* must be zero bits */
|
|
#define PSL_MBO 0x00000000 /* must be one bits */
|
|
|
|
#define PSL_USERSET (PSL_USER | PSL_US | PSL_I)
|
|
#define PSL_USERCLR (PSL_I)
|
|
|
|
/* The PSR versions ... */
|
|
#define PSR_USR PSL_USER
|
|
|
|
#ifdef KERNEL
|
|
/* processor level and software interrupts. */
|
|
#ifndef LOCORE
|
|
int astpending; /* need to trap before returning to user mode */
|
|
|
|
#define setsoftast() (astpending=1)
|
|
#endif
|
|
#endif
|
|
|
|
#endif
|