projects / apple / xnu.git / blame
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| 1c79356b A |
1 | /* |
| 2 | * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 5 | * | |
| d7e50217 | 6 | * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. |
| 1c79356b | 7 | * |
| d7e50217 A |
8 | * This file contains Original Code and/or Modifications of Original Code |
| 9 | * as defined in and that are subject to the Apple Public Source License | |
| 10 | * Version 2.0 (the 'License'). You may not use this file except in | |
| 11 | * compliance with the License. Please obtain a copy of the License at | |
| 12 | * http://www.opensource.apple.com/apsl/ and read it before using this | |
| 13 | * file. | |
| 14 | * | |
| 15 | * The Original Code and all software distributed under the License are | |
| 16 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 1c79356b A |
17 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 18 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| d7e50217 A |
19 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| 20 | * Please see the License for the specific language governing rights and | |
| 21 | * limitations under the License. | |
| 1c79356b A |
22 | * |
| 23 | * @APPLE_LICENSE_HEADER_END@ | |
| 24 | */ | |
| 25 | /* | |
| 26 | * @OSF_COPYRIGHT@ | |
| 27 | */ | |
| 28 | /* | |
| 29 | * HISTORY | |
| 30 | * | |
| 31 | * Revision 1.1.2.1 1998/10/13 00:40:44 ehewitt | |
| 32 | * Added support for Intel. | |
| 33 | * | |
| 34 | * Revision 1.1.1.1 1998/09/22 21:05:37 wsanchez | |
| 35 | * Import of Mac OS X kernel (~semeria) | |
| 36 | * | |
| 37 | * Revision 1.1.1.1 1998/03/07 02:25:38 wsanchez | |
| 38 | * Import of OSF Mach kernel (~mburg) | |
| 39 | * | |
| 40 | * Revision 1.1.8.2 1996/07/31 09:46:36 paire | |
| 41 | * Merged with nmk20b7_shared (1.1.11.2 -> 1.1.11.1) | |
| 42 | * [96/06/10 paire] | |
| 43 | * | |
| 44 | * Revision 1.1.11.2 1996/06/13 12:38:25 bernadat | |
| 45 | * Do not use inline macros when MACH_ASSERT is configured. | |
| 46 | * [96/05/24 bernadat] | |
| 47 | * | |
| 48 | * Revision 1.1.11.1 1996/05/14 13:50:23 paire | |
| 49 | * Added new linl and loutl __inline__. | |
| 50 | * Added conditional compilation for [l]{in|oub}[bwl]() __inline__. | |
| 51 | * [95/11/24 paire] | |
| 52 | * | |
| 53 | * Revision 1.1.8.1 1994/09/23 02:00:28 ezf | |
| 54 | * change marker to not FREE | |
| 55 | * [1994/09/22 21:25:52 ezf] | |
| 56 | * | |
| 57 | * Revision 1.1.4.5 1993/08/09 19:40:41 dswartz | |
| 58 | * Add ANSI prototypes - CR#9523 | |
| 59 | * [1993/08/06 17:45:57 dswartz] | |
| 60 | * | |
| 61 | * Revision 1.1.4.4 1993/06/11 15:17:37 jeffc | |
| 62 | * CR9176 - ANSI C violations: inb/outb macros must be changed from | |
| 63 | * ({ ... }) to inline functions, with proper type definitions. Callers | |
| 64 | * must pass proper types to these functions: 386 I/O port addresses | |
| 65 | * are unsigned shorts (not pointers). | |
| 66 | * [1993/06/10 14:26:10 jeffc] | |
| 67 | * | |
| 68 | * Revision 1.1.4.3 1993/06/07 22:09:28 jeffc | |
| 69 | * CR9176 - ANSI C violations: trailing tokens on CPP | |
| 70 | * directives, extra semicolons after decl_ ..., asm keywords | |
| 71 | * [1993/06/07 19:00:26 jeffc] | |
| 72 | * | |
| 73 | * Revision 1.1.4.2 1993/06/04 15:28:45 jeffc | |
| 74 | * CR9176 - ANSI problems - | |
| 75 | * Added casts to get macros to take caddr_t as an I/O space address. | |
| 76 | * [1993/06/04 13:45:55 jeffc] | |
| 77 | * | |
| 78 | * Revision 1.1 1992/09/30 02:25:51 robert | |
| 79 | * Initial revision | |
| 80 | * | |
| 81 | * $EndLog$ | |
| 82 | */ | |
| 83 | /* CMU_HIST */ | |
| 84 | /* | |
| 85 | * Revision 2.5 91/05/14 16:14:20 mrt | |
| 86 | * Correcting copyright | |
| 87 | * | |
| 88 | * Revision 2.4 91/02/05 17:13:56 mrt | |
| 89 | * Changed to new Mach copyright | |
| 90 | * [91/02/01 17:37:08 mrt] | |
| 91 | * | |
| 92 | * Revision 2.3 90/12/20 16:36:37 jeffreyh | |
| 93 | * changes for __STDC__ | |
| 94 | * [90/12/07 jeffreyh] | |
| 95 | * | |
| 96 | * Revision 2.2 90/11/26 14:48:41 rvb | |
| 97 | * Pulled from 2.5 | |
| 98 | * [90/11/22 10:09:38 rvb] | |
| 99 | * | |
| 100 | * [90/08/14 mg32] | |
| 101 | * | |
| 102 | * Now we know how types are factor in. | |
| 103 | * Cleaned up a bunch: eliminated ({ for output and flushed unused | |
| 104 | * output variables. | |
| 105 | * [90/08/14 rvb] | |
| 106 | * | |
| 107 | * This is how its done in gcc: | |
| 108 | * Created. | |
| 109 | * [90/03/26 rvb] | |
| 110 | * | |
| 111 | */ | |
| 112 | /* CMU_ENDHIST */ | |
| 113 | /* | |
| 114 | * Mach Operating System | |
| 115 | * Copyright (c) 1991,1990 Carnegie Mellon University | |
| 116 | * All Rights Reserved. | |
| 117 | * | |
| 118 | * Permission to use, copy, modify and distribute this software and its | |
| 119 | * documentation is hereby granted, provided that both the copyright | |
| 120 | * notice and this permission notice appear in all copies of the | |
| 121 | * software, derivative works or modified versions, and any portions | |
| 122 | * thereof, and that both notices appear in supporting documentation. | |
| 123 | * | |
| 124 | * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" | |
| 125 | * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR | |
| 126 | * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. | |
| 127 | * | |
| 128 | * Carnegie Mellon requests users of this software to return to | |
| 129 | * | |
| 130 | * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU | |
| 131 | * School of Computer Science | |
| 132 | * Carnegie Mellon University | |
| 133 | * Pittsburgh PA 15213-3890 | |
| 134 | * | |
| 135 | * any improvements or extensions that they make and grant Carnegie Mellon | |
| 136 | * the rights to redistribute these changes. | |
| 137 | */ | |
| 138 | /* | |
| 139 | */ | |
| 140 | #ifndef I386_PIO_H | |
| 141 | #define I386_PIO_H | |
| 142 | //#include <cpus.h> | |
| 143 | //#include <mach_assert.h> | |
| 144 | #define MACH_ASSERT 0 | |
| 145 | ||
| 146 | typedef unsigned short i386_ioport_t; | |
| 147 | ||
| 148 | /* read a longword */ | |
| 149 | extern unsigned long inl( | |
| 150 | i386_ioport_t port); | |
| 151 | /* read a shortword */ | |
| 152 | extern unsigned short inw( | |
| 153 | i386_ioport_t port); | |
| 154 | /* read a byte */ | |
| 155 | extern unsigned char inb( | |
| 156 | i386_ioport_t port); | |
| 157 | /* write a longword */ | |
| 158 | extern void outl( | |
| 159 | i386_ioport_t port, | |
| 160 | unsigned long datum); | |
| 161 | /* write a word */ | |
| 162 | extern void outw( | |
| 163 | i386_ioport_t port, | |
| 164 | unsigned short datum); | |
| 165 | /* write a longword */ | |
| 166 | extern void outb( | |
| 167 | i386_ioport_t port, | |
| 168 | unsigned char datum); | |
| 169 | ||
| 170 | /* input an array of longwords */ | |
| 171 | extern void linl( | |
| 172 | i386_ioport_t port, | |
| 173 | int * data, | |
| 174 | int count); | |
| 175 | /* output an array of longwords */ | |
| 176 | extern void loutl( | |
| 177 | i386_ioport_t port, | |
| 178 | int * data, | |
| 179 | int count); | |
| 180 | ||
| 181 | /* input an array of words */ | |
| 182 | extern void linw( | |
| 183 | i386_ioport_t port, | |
| 184 | int * data, | |
| 185 | int count); | |
| 186 | /* output an array of words */ | |
| 187 | extern void loutw( | |
| 188 | i386_ioport_t port, | |
| 189 | int * data, | |
| 190 | int count); | |
| 191 | ||
| 192 | /* input an array of bytes */ | |
| 193 | extern void linb( | |
| 194 | i386_ioport_t port, | |
| 195 | char * data, | |
| 196 | int count); | |
| 197 | /* output an array of bytes */ | |
| 198 | extern void loutb( | |
| 199 | i386_ioport_t port, | |
| 200 | char * data, | |
| 201 | int count); | |
| 202 | ||
| 203 | #if defined(__GNUC__) && (!MACH_ASSERT) | |
| 204 | extern __inline__ unsigned long inl( | |
| 205 | i386_ioport_t port) | |
| 206 | { | |
| 207 | unsigned long datum; | |
| 208 | __asm__ volatile("inl %1, %0" : "=a" (datum) : "d" (port)); | |
| 209 | return(datum); | |
| 210 | } | |
| 211 | ||
| 212 | extern __inline__ unsigned short inw( | |
| 213 | i386_ioport_t port) | |
| 214 | { | |
| 215 | unsigned short datum; | |
| 216 | __asm__ volatile(".byte 0x66; inl %1, %0" : "=a" (datum) : "d" (port)); | |
| 217 | return(datum); | |
| 218 | } | |
| 219 | ||
| 220 | extern __inline__ unsigned char inb( | |
| 221 | i386_ioport_t port) | |
| 222 | { | |
| 223 | unsigned char datum; | |
| 224 | __asm__ volatile("inb %1, %0" : "=a" (datum) : "d" (port)); | |
| 225 | return(datum); | |
| 226 | } | |
| 227 | ||
| 228 | extern __inline__ void outl( | |
| 229 | i386_ioport_t port, | |
| 230 | unsigned long datum) | |
| 231 | { | |
| 232 | __asm__ volatile("outl %0, %1" : : "a" (datum), "d" (port)); | |
| 233 | } | |
| 234 | ||
| 235 | extern __inline__ void outw( | |
| 236 | i386_ioport_t port, | |
| 237 | unsigned short datum) | |
| 238 | { | |
| 239 | __asm__ volatile(".byte 0x66; outl %0, %1" : : "a" (datum), "d" (port)); | |
| 240 | } | |
| 241 | ||
| 242 | extern __inline__ void outb( | |
| 243 | i386_ioport_t port, | |
| 244 | unsigned char datum) | |
| 245 | { | |
| 246 | __asm__ volatile("outb %0, %1" : : "a" (datum), "d" (port)); | |
| 247 | } | |
| 248 | #endif /* defined(__GNUC__) && (!MACH_ASSERT) */ | |
| 249 | #endif /* I386_PIO_H */ |