15b81b6b3SRodney W. Grimes /*- 25b81b6b3SRodney W. Grimes * Copyright (c) 1990 The Regents of the University of California. 35b81b6b3SRodney W. Grimes * All rights reserved. 45b81b6b3SRodney W. Grimes * 55b81b6b3SRodney W. Grimes * This code is derived from software contributed to Berkeley by 65b81b6b3SRodney W. Grimes * William Jolitz. 75b81b6b3SRodney W. Grimes * 85b81b6b3SRodney W. Grimes * Redistribution and use in source and binary forms, with or without 95b81b6b3SRodney W. Grimes * modification, are permitted provided that the following conditions 105b81b6b3SRodney W. Grimes * are met: 115b81b6b3SRodney W. Grimes * 1. Redistributions of source code must retain the above copyright 125b81b6b3SRodney W. Grimes * notice, this list of conditions and the following disclaimer. 135b81b6b3SRodney W. Grimes * 2. Redistributions in binary form must reproduce the above copyright 145b81b6b3SRodney W. Grimes * notice, this list of conditions and the following disclaimer in the 155b81b6b3SRodney W. Grimes * documentation and/or other materials provided with the distribution. 165b81b6b3SRodney W. Grimes * 3. All advertising materials mentioning features or use of this software 175b81b6b3SRodney W. Grimes * must display the following acknowledgement: 185b81b6b3SRodney W. Grimes * This product includes software developed by the University of 195b81b6b3SRodney W. Grimes * California, Berkeley and its contributors. 205b81b6b3SRodney W. Grimes * 4. Neither the name of the University nor the names of its contributors 215b81b6b3SRodney W. Grimes * may be used to endorse or promote products derived from this software 225b81b6b3SRodney W. Grimes * without specific prior written permission. 235b81b6b3SRodney W. Grimes * 245b81b6b3SRodney W. Grimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 255b81b6b3SRodney W. Grimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 265b81b6b3SRodney W. Grimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 275b81b6b3SRodney W. Grimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 285b81b6b3SRodney W. Grimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 295b81b6b3SRodney W. Grimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 305b81b6b3SRodney W. Grimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 315b81b6b3SRodney W. Grimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 325b81b6b3SRodney W. Grimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 335b81b6b3SRodney W. Grimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 345b81b6b3SRodney W. Grimes * SUCH DAMAGE. 355b81b6b3SRodney W. Grimes * 365b81b6b3SRodney W. Grimes * @(#)psl.h 5.2 (Berkeley) 1/18/91 375b81b6b3SRodney W. Grimes */ 385b81b6b3SRodney W. Grimes 395b81b6b3SRodney W. Grimes /* 405b81b6b3SRodney W. Grimes * 386 processor status longword. 415b81b6b3SRodney W. Grimes */ 425b81b6b3SRodney W. Grimes #define PSL_C 0x00000001 /* carry bit */ 435b81b6b3SRodney W. Grimes #define PSL_PF 0x00000004 /* parity bit */ 445b81b6b3SRodney W. Grimes #define PSL_AF 0x00000010 /* bcd carry bit */ 455b81b6b3SRodney W. Grimes #define PSL_Z 0x00000040 /* zero bit */ 465b81b6b3SRodney W. Grimes #define PSL_N 0x00000080 /* negative bit */ 475b81b6b3SRodney W. Grimes #define PSL_T 0x00000100 /* trace enable bit */ 485b81b6b3SRodney W. Grimes #define PSL_I 0x00000200 /* interrupt enable bit */ 495b81b6b3SRodney W. Grimes #define PSL_D 0x00000400 /* string instruction direction bit */ 505b81b6b3SRodney W. Grimes #define PSL_V 0x00000800 /* overflow bit */ 515b81b6b3SRodney W. Grimes #define PSL_IOPL 0x00003000 /* i/o priviledge level enable */ 525b81b6b3SRodney W. Grimes #define PSL_NT 0x00004000 /* nested task bit */ 535b81b6b3SRodney W. Grimes #define PSL_RF 0x00010000 /* restart flag bit */ 545b81b6b3SRodney W. Grimes #define PSL_VM 0x00020000 /* virtual 8086 mode bit */ 555b81b6b3SRodney W. Grimes 565b81b6b3SRodney W. Grimes #define PSL_MBZ 0xfffc7fb7 /* must be zero bits */ 575b81b6b3SRodney W. Grimes #define PSL_MBO 0x00000002 /* must be one bits */ 585b81b6b3SRodney W. Grimes 595b81b6b3SRodney W. Grimes #define PSL_USERSET (PSL_IOPL) 605b81b6b3SRodney W. Grimes #define PSL_USERCLR (PSL_I|PSL_NT) 61