1 /* $NetBSD: psl.h,v 1.10 2017/08/12 12:33:31 maxv Exp $ */ 2 3 /*- 4 * Copyright (c) 1990 The Regents of the University of California. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * William Jolitz. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)psl.h 5.2 (Berkeley) 1/18/91 35 */ 36 37 #ifndef _X86_PSL_H_ 38 #define _X86_PSL_H_ 39 40 /* 41 * 386 processor status longword. 42 */ 43 #define PSL_C 0x00000001 /* carry flag */ 44 #define PSL_PF 0x00000004 /* parity flag */ 45 #define PSL_AF 0x00000010 /* auxiliary carry flag */ 46 #define PSL_Z 0x00000040 /* zero flag */ 47 #define PSL_N 0x00000080 /* sign flag */ 48 #define PSL_T 0x00000100 /* trap flag */ 49 #define PSL_I 0x00000200 /* interrupt enable flag */ 50 #define PSL_D 0x00000400 /* direction flag */ 51 #define PSL_V 0x00000800 /* overflow flag */ 52 #define PSL_IOPL 0x00003000 /* i/o privilege level */ 53 #define PSL_NT 0x00004000 /* nested task */ 54 #define PSL_RF 0x00010000 /* resume flag */ 55 #define PSL_VM 0x00020000 /* virtual 8086 mode */ 56 #define PSL_AC 0x00040000 /* alignment check flag */ 57 #define PSL_VIF 0x00080000 /* virtual interrupt enable flag */ 58 #define PSL_VIP 0x00100000 /* virtual interrupt pending flag */ 59 #define PSL_ID 0x00200000 /* identification flag */ 60 61 #define PSL_MBO 0x00000002 /* must be one bits */ 62 #define PSL_MBZ 0xffc08028 /* must be zero bits */ 63 64 #define PSL_USERSET (PSL_MBO | PSL_I) 65 #define PSL_USERSTATIC (PSL_MBO | PSL_MBZ | PSL_I | PSL_IOPL | PSL_NT | PSL_VM | PSL_VIF | PSL_VIP) 66 #define PSL_USER (PSL_C | PSL_PF | PSL_AF | PSL_Z | PSL_N | \ 67 PSL_T | PSL_V | PSL_D | PSL_AC) 68 #define PSL_CLEARSIG (PSL_T | PSL_VM | PSL_AC | PSL_D) 69 70 71 /* 72 * ??? 73 */ 74 #ifdef _KERNEL 75 #include <machine/intr.h> 76 #endif 77 78 #endif /* !_X86_PSL_H_ */ 79