/*- * Copyright (c) 1985 The Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * Computer Consoles Inc. * * 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 7.2 (Berkeley) 5/8/91 */ /* * TAHOE processor status longword. */ #define PSL_C 0x00000001 /* carry bit */ #define PSL_V 0x00000002 /* overflow bit */ #define PSL_Z 0x00000004 /* zero bit */ #define PSL_N 0x00000008 /* negative bit */ #define PSL_ALLCC 0x0000000f /* all cc bits - unlikely */ #define PSL_T 0x00000010 /* trace enable bit */ #define PSL_IV 0x00000020 /* integer overflow enable bit */ #define PSL_FU 0x00000040 /* float underflow enable */ #define PSL_DBL 0x00000080 /* f.p. prescision indicator */ #define PSL_SFE 0x00000100 /* system-forced-exception */ #define PSL_IPL 0x001f0000 /* interrupt priority level */ #define PSL_PRVMOD 0x00000000 /* previous mode (kernel mode) */ #define PSL_CURMOD 0x01000000 /* current mode (all on is user) */ #define PSL_IS 0x04000000 /* interrupt stack */ #define PSL_TP 0x40000000 /* trace pending */ #define PSL_MBZ 0xbae0fe00 /* must be zero bits */ #define PSL_USERSET (PSL_CURMOD) #define PSL_USERCLR (PSL_IS|PSL_IPL|PSL_MBZ|PSL_SFE|PSL_DBL|PSL_FU)