projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b A |
1 | /* |
| 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 8ad349bb | 4 | * @APPLE_LICENSE_OSREFERENCE_HEADER_START@ |
| 1c79356b | 5 | * |
| 8ad349bb A |
6 | * This file contains Original Code and/or Modifications of Original Code |
| 7 | * as defined in and that are subject to the Apple Public Source License | |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in | |
| 9 | * compliance with the License. The rights granted to you under the | |
| 10 | * License may not be used to create, or enable the creation or | |
| 11 | * redistribution of, unlawful or unlicensed copies of an Apple operating | |
| 12 | * system, or to circumvent, violate, or enable the circumvention or | |
| 13 | * violation of, any terms of an Apple operating system software license | |
| 14 | * agreement. | |
| 15 | * | |
| 16 | * Please obtain a copy of the License at | |
| 17 | * http://www.opensource.apple.com/apsl/ and read it before using this | |
| 18 | * file. | |
| 19 | * | |
| 20 | * The Original Code and all software distributed under the License are | |
| 21 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 22 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
| 23 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 24 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. | |
| 25 | * Please see the License for the specific language governing rights and | |
| 26 | * limitations under the License. | |
| 27 | * | |
| 28 | * @APPLE_LICENSE_OSREFERENCE_HEADER_END@ | |
| 1c79356b A |
29 | */ |
| 30 | /* | |
| 31 | * @OSF_COPYRIGHT@ | |
| 32 | */ | |
| 33 | ||
| 34 | /* | |
| 35 | * Mach Operating System | |
| 36 | * Copyright (c) 1991,1990,1989 Carnegie Mellon University | |
| 37 | * All Rights Reserved. | |
| 38 | * | |
| 39 | * Permission to use, copy, modify and distribute this software and its | |
| 40 | * documentation is hereby granted, provided that both the copyright | |
| 41 | * notice and this permission notice appear in all copies of the | |
| 42 | * software, derivative works or modified versions, and any portions | |
| 43 | * thereof, and that both notices appear in supporting documentation. | |
| 44 | * | |
| 45 | * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" | |
| 46 | * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR | |
| 47 | * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. | |
| 48 | * | |
| 49 | * Carnegie Mellon requests users of this software to return to | |
| 50 | * | |
| 51 | * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU | |
| 52 | * School of Computer Science | |
| 53 | * Carnegie Mellon University | |
| 54 | * Pittsburgh PA 15213-3890 | |
| 55 | * | |
| 56 | * any improvements or extensions that they make and grant Carnegie Mellon | |
| 57 | * the rights to redistribute these changes. | |
| 58 | */ | |
| 59 | /* | |
| 60 | */ | |
| 61 | ||
| 62 | /* | |
| 63 | Copyright (c) 1988,1989 Prime Computer, Inc. Natick, MA 01760 | |
| 64 | All Rights Reserved. | |
| 65 | ||
| 66 | Permission to use, copy, modify, and distribute this | |
| 67 | software and its documentation for any purpose and | |
| 68 | without fee is hereby granted, provided that the above | |
| 69 | copyright notice appears in all copies and that both the | |
| 70 | copyright notice and this permission notice appear in | |
| 71 | supporting documentation, and that the name of Prime | |
| 72 | Computer, Inc. not be used in advertising or publicity | |
| 73 | pertaining to distribution of the software without | |
| 74 | specific, written prior permission. | |
| 75 | ||
| 76 | THIS SOFTWARE IS PROVIDED "AS IS", AND PRIME COMPUTER, | |
| 77 | INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS | |
| 78 | SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
| 79 | MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN | |
| 80 | NO EVENT SHALL PRIME COMPUTER, INC. BE LIABLE FOR ANY | |
| 81 | SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY | |
| 82 | DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR | |
| 83 | PROFITS, WHETHER IN ACTION OF CONTRACT, NEGLIGENCE, OR | |
| 84 | OTHER TORTIOUS ACTION, ARISING OUR OF OR IN CONNECTION | |
| 85 | WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
| 86 | */ | |
| 87 | ||
| 88 | #ifndef _I386_PIC_H_ | |
| 89 | #define _I386_PIC_H_ | |
| 90 | ||
| 91 | #include <platforms.h> | |
| 92 | ||
| 93 | #define NINTR 0x10 | |
| 94 | #define NPICS 0x02 | |
| 95 | ||
| 96 | /* | |
| 97 | ** The following are definitions used to locate the PICs in the system | |
| 98 | */ | |
| 99 | ||
| 100 | #define ADDR_PIC_BASE 0x20 | |
| 101 | #define OFF_ICW 0x00 | |
| 102 | #define OFF_OCW 0x01 | |
| 103 | #define SIZE_PIC 0x80 | |
| 104 | ||
| 105 | /* | |
| 106 | ** The following banks of definitions ICW1, ICW2, ICW3, and ICW4 are used | |
| 107 | ** to define the fields of the various ICWs for initialisation of the PICs | |
| 108 | */ | |
| 109 | ||
| 110 | /* | |
| 111 | ** ICW1 | |
| 112 | */ | |
| 113 | ||
| 114 | #define ICW_TEMPLATE 0x10 | |
| 115 | ||
| 116 | #define LEVL_TRIGGER 0x08 | |
| 117 | #define EDGE_TRIGGER 0x00 | |
| 118 | #define ADDR_INTRVL4 0x04 | |
| 119 | #define ADDR_INTRVL8 0x00 | |
| 120 | #define SINGLE__MODE 0x02 | |
| 121 | #define CASCADE_MODE 0x00 | |
| 122 | #define ICW4__NEEDED 0x01 | |
| 123 | #define NO_ICW4_NEED 0x00 | |
| 124 | ||
| 125 | /* | |
| 126 | ** ICW2 | |
| 127 | */ | |
| 128 | ||
| 129 | #define PICM_VECTBASE 0x40 | |
| 130 | #define PICS_VECTBASE PICM_VECTBASE + 0x08 | |
| 131 | ||
| 132 | /* | |
| 133 | ** ICW3 | |
| 134 | */ | |
| 135 | ||
| 136 | #define SLAVE_ON_IR0 0x01 | |
| 137 | #define SLAVE_ON_IR1 0x02 | |
| 138 | #define SLAVE_ON_IR2 0x04 | |
| 139 | #define SLAVE_ON_IR3 0x08 | |
| 140 | #define SLAVE_ON_IR4 0x10 | |
| 141 | #define SLAVE_ON_IR5 0x20 | |
| 142 | #define SLAVE_ON_IR6 0x40 | |
| 143 | #define SLAVE_ON_IR7 0x80 | |
| 144 | ||
| 145 | #define I_AM_SLAVE_0 0x00 | |
| 146 | #define I_AM_SLAVE_1 0x01 | |
| 147 | #define I_AM_SLAVE_2 0x02 | |
| 148 | #define I_AM_SLAVE_3 0x03 | |
| 149 | #define I_AM_SLAVE_4 0x04 | |
| 150 | #define I_AM_SLAVE_5 0x05 | |
| 151 | #define I_AM_SLAVE_6 0x06 | |
| 152 | #define I_AM_SLAVE_7 0x07 | |
| 153 | ||
| 154 | /* | |
| 155 | ** ICW4 | |
| 156 | */ | |
| 157 | ||
| 158 | #define SNF_MODE_ENA 0x10 | |
| 159 | #define SNF_MODE_DIS 0x00 | |
| 160 | #define BUFFERD_MODE 0x08 | |
| 161 | #define NONBUFD_MODE 0x00 | |
| 162 | #define AUTO_EOI_MOD 0x02 | |
| 163 | #define NRML_EOI_MOD 0x00 | |
| 164 | #define I8086_EMM_MOD 0x01 | |
| 165 | #define SET_MCS_MODE 0x00 | |
| 166 | ||
| 167 | /* | |
| 168 | ** OCW1 | |
| 169 | */ | |
| 170 | #define PICM_MASK 0xFF | |
| 171 | #define PICS_MASK 0xFF | |
| 172 | /* | |
| 173 | ** OCW2 | |
| 174 | */ | |
| 175 | ||
| 176 | #define NON_SPEC_EOI 0x20 | |
| 177 | #define SPECIFIC_EOI 0x30 | |
| 178 | #define ROT_NON_SPEC 0x50 | |
| 179 | #define SET_ROT_AEOI 0x40 | |
| 180 | #define RSET_ROTAEOI 0x00 | |
| 181 | #define ROT_SPEC_EOI 0x70 | |
| 182 | #define SET_PRIORITY 0x60 | |
| 183 | #define NO_OPERATION 0x20 | |
| 184 | ||
| 185 | #define SEND_EOI_IR0 0x00 | |
| 186 | #define SEND_EOI_IR1 0x01 | |
| 187 | #define SEND_EOI_IR2 0x02 | |
| 188 | #define SEND_EOI_IR3 0x03 | |
| 189 | #define SEND_EOI_IR4 0x04 | |
| 190 | #define SEND_EOI_IR5 0x05 | |
| 191 | #define SEND_EOI_IR6 0x06 | |
| 192 | #define SEND_EOI_IR7 0x07 | |
| 193 | ||
| 194 | /* | |
| 195 | ** OCW3 | |
| 196 | */ | |
| 197 | ||
| 198 | #define OCW_TEMPLATE 0x08 | |
| 199 | #define SPECIAL_MASK 0x40 | |
| 200 | #define MASK_MDE_SET 0x20 | |
| 201 | #define MASK_MDE_RST 0x00 | |
| 202 | #define POLL_COMMAND 0x04 | |
| 203 | #define NO_POLL_CMND 0x00 | |
| 204 | #define READ_NEXT_RD 0x02 | |
| 205 | #define READ_IR_ONRD 0x00 | |
| 206 | #define READ_IS_ONRD 0x01 | |
| 207 | ||
| 208 | #endif /* _I386_PIC_H_ */ |