1 /* $NetBSD: psl.h,v 1.33 2001/05/30 12:28:45 mrg 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. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)psl.h 5.2 (Berkeley) 1/18/91 39 */ 40 41 #ifndef _I386_PSL_H_ 42 #define _I386_PSL_H_ 43 44 /* 45 * 386 processor status longword. 46 */ 47 #define PSL_C 0x00000001 /* carry flag */ 48 #define PSL_PF 0x00000004 /* parity flag */ 49 #define PSL_AF 0x00000010 /* auxiliary carry flag */ 50 #define PSL_Z 0x00000040 /* zero flag */ 51 #define PSL_N 0x00000080 /* sign flag */ 52 #define PSL_T 0x00000100 /* trap flag */ 53 #define PSL_I 0x00000200 /* interrupt enable flag */ 54 #define PSL_D 0x00000400 /* direction flag */ 55 #define PSL_V 0x00000800 /* overflow flag */ 56 #define PSL_IOPL 0x00003000 /* i/o privilege level */ 57 #define PSL_NT 0x00004000 /* nested task */ 58 #define PSL_RF 0x00010000 /* resume flag */ 59 #define PSL_VM 0x00020000 /* virtual 8086 mode */ 60 #define PSL_AC 0x00040000 /* alignment check flag */ 61 #define PSL_VIF 0x00080000 /* virtual interrupt enable flag */ 62 #define PSL_VIP 0x00100000 /* virtual interrupt pending flag */ 63 #define PSL_ID 0x00200000 /* identification flag */ 64 65 #define PSL_MBO 0x00000002 /* must be one bits */ 66 #define PSL_MBZ 0xffc08028 /* must be zero bits */ 67 68 #define PSL_USERSET (PSL_MBO | PSL_I) 69 #if defined(_KERNEL_OPT) 70 #include "opt_vm86.h" 71 #endif 72 #ifdef VM86 73 #define PSL_USERSTATIC (PSL_MBO | PSL_MBZ | PSL_I | PSL_IOPL | PSL_NT | PSL_VIF | PSL_VIP) 74 #else 75 #define PSL_USERSTATIC (PSL_MBO | PSL_MBZ | PSL_I | PSL_IOPL | PSL_NT | PSL_VM | PSL_VIF | PSL_VIP) 76 #endif 77 78 #ifdef _KERNEL 79 #include <machine/intr.h> 80 #endif 81 82 #endif /* !_I386_PSL_H_ */ 83