00001 /*- 00002 * Copyright (c) 1990 The Regents of the University of California. 00003 * All rights reserved. 00004 * 00005 * This code is derived from software contributed to Berkeley by 00006 * William Jolitz. 00007 * 00008 * Redistribution and use in source and binary forms, with or without 00009 * modification, are permitted provided that the following conditions 00010 * are met: 00011 * 1. Redistributions of source code must retain the above copyright 00012 * notice, this list of conditions and the following disclaimer. 00013 * 2. Redistributions in binary form must reproduce the above copyright 00014 * notice, this list of conditions and the following disclaimer in the 00015 * documentation and/or other materials provided with the distribution. 00016 * 3. All advertising materials mentioning features or use of this software 00017 * must display the following acknowledgement: 00018 * This product includes software developed by the University of 00019 * California, Berkeley and its contributors. 00020 * 4. Neither the name of the University nor the names of its contributors 00021 * may be used to endorse or promote products derived from this software 00022 * without specific prior written permission. 00023 * 00024 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 00025 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00026 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00027 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 00028 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00029 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 00030 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00031 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00032 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 00033 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00034 * SUCH DAMAGE. 00035 * 00036 * @(#)psl.h 5.2 (Berkeley) 1/18/91 00037 */ 00038 #ifndef __MACHDEP_PSL_H__ 00039 #define __MACHDEP_PSL_H__ 00040 00041 /* 00042 * 386 processor status longword. 00043 */ 00044 #define PSL_C 0x00000001 /* carry flag */ 00045 #define PSL_PF 0x00000004 /* parity flag */ 00046 #define PSL_AF 0x00000010 /* auxiliary carry flag */ 00047 #define PSL_Z 0x00000040 /* zero flag */ 00048 #define PSL_N 0x00000080 /* sign flag */ 00049 #define PSL_T 0x00000100 /* trap flag */ 00050 #define PSL_I 0x00000200 /* interrupt enable flag */ 00051 #define PSL_D 0x00000400 /* direction flag */ 00052 #define PSL_V 0x00000800 /* overflow flag */ 00053 #define PSL_IOPL 0x00003000 /* i/o privilege level */ 00054 #define PSL_NT 0x00004000 /* nested task */ 00055 #define PSL_RF 0x00010000 /* resume flag */ 00056 #define PSL_VM 0x00020000 /* virtual 8086 mode */ 00057 #define PSL_AC 0x00040000 /* alignment check flag */ 00058 #define PSL_VIF 0x00080000 /* virtual interrupt enable flag */ 00059 #define PSL_VIP 0x00100000 /* virtual interrupt pending flag */ 00060 #define PSL_ID 0x00200000 /* identification flag */ 00061 00062 #define PSL_MBO 0x00000002 /* must be one bits */ 00063 #define PSL_MBZ 0xffc08028 /* must be zero bits */ 00064 00065 #endif
1.4.6