| 1 | /*␊ |
| 2 | * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.␊ |
| 3 | *␊ |
| 4 | * @APPLE_LICENSE_HEADER_START@␊ |
| 5 | * ␊ |
| 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. Please obtain a copy of the License at␊ |
| 10 | * http://www.opensource.apple.com/apsl/ and read it before using this␊ |
| 11 | * file.␊ |
| 12 | * ␊ |
| 13 | * The Original Code and all software distributed under the License are␊ |
| 14 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
| 15 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
| 16 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.␊ |
| 18 | * Please see the License for the specific language governing rights and␊ |
| 19 | * limitations under the License.␊ |
| 20 | * ␊ |
| 21 | * @APPLE_LICENSE_HEADER_END@␊ |
| 22 | */␊ |
| 23 | /*␊ |
| 24 | * @OSF_COPYRIGHT@␊ |
| 25 | */␊ |
| 26 | /* ␊ |
| 27 | * Mach Operating System␊ |
| 28 | * Copyright (c) 1991,1990 Carnegie Mellon University␊ |
| 29 | * All Rights Reserved.␊ |
| 30 | * ␊ |
| 31 | * Permission to use, copy, modify and distribute this software and its␊ |
| 32 | * documentation is hereby granted, provided that both the copyright␊ |
| 33 | * notice and this permission notice appear in all copies of the␊ |
| 34 | * software, derivative works or modified versions, and any portions␊ |
| 35 | * thereof, and that both notices appear in supporting documentation.␊ |
| 36 | * ␊ |
| 37 | * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"␊ |
| 38 | * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR␊ |
| 39 | * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.␊ |
| 40 | * ␊ |
| 41 | * Carnegie Mellon requests users of this software to return to␊ |
| 42 | * ␊ |
| 43 | * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU␊ |
| 44 | * School of Computer Science␊ |
| 45 | * Carnegie Mellon University␊ |
| 46 | * Pittsburgh PA 15213-3890␊ |
| 47 | * ␊ |
| 48 | * any improvements or extensions that they make and grant Carnegie Mellon␊ |
| 49 | * the rights to redistribute these changes.␊ |
| 50 | */␊ |
| 51 | /* ␊ |
| 52 | */␊ |
| 53 | #ifndef _ARCH_I386_PIO_H_␊ |
| 54 | #define _ARCH_I386_PIO_H_␊ |
| 55 | ␊ |
| 56 | typedef unsigned short i386_ioport_t;␊ |
| 57 | ␊ |
| 58 | #if defined(__GNUC__)␊ |
| 59 | static __inline__ unsigned long␉inl(␊ |
| 60 | ␉␉␉␉i386_ioport_t port)␊ |
| 61 | {␊ |
| 62 | ␉unsigned long datum;␊ |
| 63 | ␉__asm__ volatile("inl %w1, %0" : "=a" (datum) : "Nd" (port));␊ |
| 64 | ␉return(datum);␊ |
| 65 | }␊ |
| 66 | ␊ |
| 67 | static __inline__ unsigned short inw(␊ |
| 68 | ␉␉␉␉i386_ioport_t port)␊ |
| 69 | {␊ |
| 70 | ␉unsigned short datum;␊ |
| 71 | ␉__asm__ volatile("inw %w1, %w0" : "=a" (datum) : "Nd" (port));␊ |
| 72 | ␉return(datum);␊ |
| 73 | }␊ |
| 74 | ␊ |
| 75 | static __inline__ unsigned char inb(␊ |
| 76 | ␉␉␉␉i386_ioport_t port)␊ |
| 77 | {␊ |
| 78 | ␉unsigned char datum;␊ |
| 79 | ␉__asm__ volatile("inb %w1, %b0" : "=a" (datum) : "Nd" (port));␊ |
| 80 | ␉return(datum);␊ |
| 81 | }␊ |
| 82 | ␊ |
| 83 | static __inline__ void outl(␊ |
| 84 | ␉␉␉␉i386_ioport_t port,␊ |
| 85 | ␉␉␉␉unsigned long datum)␊ |
| 86 | {␊ |
| 87 | ␉__asm__ volatile("outl %0, %w1" : : "a" (datum), "Nd" (port));␊ |
| 88 | }␊ |
| 89 | ␊ |
| 90 | static __inline__ void outw(␊ |
| 91 | ␉␉␉␉i386_ioport_t port,␊ |
| 92 | ␉␉␉␉unsigned short datum)␊ |
| 93 | {␊ |
| 94 | ␉__asm__ volatile("outw %w0, %w1" : : "a" (datum), "Nd" (port));␊ |
| 95 | }␊ |
| 96 | ␊ |
| 97 | static __inline__ void outb(␊ |
| 98 | ␉␉␉␉i386_ioport_t port,␊ |
| 99 | ␉␉␉␉unsigned char datum)␊ |
| 100 | {␊ |
| 101 | ␉__asm__ volatile("outb %b0, %w1" : : "a" (datum), "Nd" (port));␊ |
| 102 | }␊ |
| 103 | #endif /* defined(__GNUC__) */␊ |
| 104 | #endif /* _ARCH_I386_PIO_H_ */␊ |
| 105 | |
