1 /* $OpenBSD: psl.h,v 1.21 2018/07/09 19:20:30 guenther Exp $ */ 2 /* $NetBSD: psl.h,v 1.30 1996/05/13 01:28:05 mycroft Exp $ */ 3 4 /*- 5 * Copyright (c) 1990 The Regents of the University of California. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * William Jolitz. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)psl.h 5.2 (Berkeley) 1/18/91 36 */ 37 38 #ifndef _MACHINE_PSL_H_ 39 #define _MACHINE_PSL_H_ 40 41 /* 42 * 386 processor status longword. 43 */ 44 #define PSL_C 0x00000001 /* carry flag */ 45 #define PSL_PF 0x00000004 /* parity flag */ 46 #define PSL_AF 0x00000010 /* auxiliary carry flag */ 47 #define PSL_Z 0x00000040 /* zero flag */ 48 #define PSL_N 0x00000080 /* sign flag */ 49 #define PSL_T 0x00000100 /* trap flag */ 50 #define PSL_I 0x00000200 /* interrupt enable flag */ 51 #define PSL_D 0x00000400 /* direction flag */ 52 #define PSL_V 0x00000800 /* overflow flag */ 53 #define PSL_IOPL 0x00003000 /* i/o privilege level */ 54 #define PSL_NT 0x00004000 /* nested task */ 55 #define PSL_RF 0x00010000 /* resume flag */ 56 #define PSL_VM 0x00020000 /* virtual 8086 mode */ 57 #define PSL_AC 0x00040000 /* alignment check flag */ 58 #define PSL_VIF 0x00080000 /* virtual interrupt enable flag */ 59 #define PSL_VIP 0x00100000 /* virtual interrupt pending flag */ 60 #define PSL_ID 0x00200000 /* identification flag */ 61 #define PSL_XCRYPT 0x40000000 /* VIA xcrypt: operation loaded */ 62 63 #define PSL_MBO 0x00000002 /* must be one bits */ 64 #define PSL_MBZ 0xffc08028 /* must be zero bits */ 65 66 #define PSL_USERSET (PSL_MBO | PSL_I) 67 #define PSL_USERSTATIC (PSL_MBO | PSL_MBZ | PSL_I | PSL_IOPL | PSL_NT | PSL_VM | PSL_VIF | PSL_VIP) 68 69 #ifdef _KERNEL 70 #include <machine/intr.h> 71 72 #ifndef _LOCORE 73 74 #include <sys/evcount.h> 75 76 /* 77 * Interrupt handler chains. isa_intr_establish() inserts a handler into 78 * the list. The handler is called with its (single) argument. 79 */ 80 81 struct intrhand { 82 int (*ih_fun)(void *); 83 void *ih_arg; 84 int ih_level; 85 int ih_flags; 86 struct intrhand *ih_next; 87 int ih_pin; 88 int ih_irq; 89 struct evcount ih_count; 90 int ih_vec; 91 }; 92 93 extern int intr_shared_edge; /* This system has shared edge interrupts */ 94 95 #endif /* _LOCORE */ 96 #endif /* _KERNEL */ 97 98 #endif /* !_MACHINE_PSL_H_ */ 99