1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* Copyright (c) 1990, 1991 UNIX System Laboratories, Inc. */ 22 /* Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T */ 23 /* All Rights Reserved */ 24 25 /* 26 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 27 * Use is subject to license terms. 28 */ 29 30 #ifndef _IA32_SYS_PSW_H 31 #define _IA32_SYS_PSW_H 32 33 #pragma ident "%Z%%M% %I% %E% SMI" 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 #ifndef _ASM 40 41 /* Flags Register */ 42 43 typedef struct flags { 44 uint_t fl_cf : 1, /* carry/borrow */ 45 : 1, /* reserved */ 46 fl_pf : 1, /* parity */ 47 : 1, /* reserved */ 48 fl_af : 1, /* carry/borrow */ 49 : 1, /* reserved */ 50 fl_zf : 1, /* zero */ 51 fl_sf : 1, /* sign */ 52 fl_tf : 1, /* trace */ 53 fl_if : 1, /* interrupt enable */ 54 fl_df : 1, /* direction */ 55 fl_of : 1, /* overflow */ 56 fl_iopl : 2, /* I/O privilege level */ 57 fl_nt : 1, /* nested task */ 58 : 1, /* reserved */ 59 fl_rf : 1, /* reset */ 60 fl_vm : 1, /* virtual 86 mode */ 61 fl_res : 14; /* reserved */ 62 } flags_t; 63 64 #endif /* !_ASM */ 65 66 #define PS_C 0x0001 /* carry bit */ 67 #define PS_MB1 0x0002 /* unused; must be 1. */ 68 #define PS_P 0x0004 /* parity bit */ 69 #define PS_AC 0x0010 /* auxiliary carry bit */ 70 #define PS_Z 0x0040 /* zero bit */ 71 #define PS_N 0x0080 /* negative bit */ 72 #define PS_T 0x0100 /* trace enable bit */ 73 #define PS_IE 0x0200 /* interrupt enable bit */ 74 #define PS_D 0x0400 /* direction bit */ 75 #define PS_V 0x0800 /* overflow bit */ 76 #define PS_IOPL 0x3000 /* I/O privilege level */ 77 #define PS_NT 0x4000 /* nested task flag */ 78 #define PS_RF 0x10000 /* restore flag */ 79 #define PS_VM 0x20000 /* virtual 86 mode flag */ 80 #define PS_ACHK 0x40000 /* alignment check enable (486) */ 81 #define PS_VINT 0x80000 /* virtual interrupt flag */ 82 #define PS_VINTP 0x100000 /* virtual interrupt pending */ 83 #define PS_ID 0x200000 /* ID flag */ 84 85 #define PS_ICC (PS_C|PS_AC|PS_Z|PS_N) /* integer condition codes */ 86 87 #define FMT_FLAGS_REG \ 88 "\20\26id\25vip\24vif\23ac\22vm\21rf" \ 89 "\17nt\14of\13df\12if\11tf\10sf\7zf\5af\3pf\1cf" 90 91 #define PSL_USER 0x202 /* initial user FLAGS */ 92 93 /* user variable PS bits */ 94 #define PSL_USERMASK (PS_ICC|PS_D|PS_T|PS_V|PS_P|PS_ACHK|PS_NT) 95 96 /* PS bits changeable by the sahf instruction */ 97 #define PSL_LSAHFMASK (PS_ICC|PS_P) 98 99 /* 100 * kernel flags settings 101 */ 102 #define F_OFF 0x2 /* interrupts off */ 103 #define F_ON 0x202 /* interrupts on */ 104 105 #ifndef _ASM 106 typedef int psw_t; 107 #endif 108 109 #include <sys/tss.h> 110 #include <sys/segments.h> /* selector definitions */ 111 112 #define USERMODE(cs) ((uint16_t)(cs) != KCS_SEL) 113 114 #include <sys/spl.h> 115 116 #ifdef __cplusplus 117 } 118 #endif 119 120 #endif /* _IA32_SYS_PSW_H */ 121