/* * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * @OSF_COPYRIGHT@ */ /* * HISTORY * * Revision 1.1.2.1 1998/10/13 00:40:44 ehewitt * Added support for Intel. * * Revision 1.1.1.1 1998/09/22 21:05:37 wsanchez * Import of Mac OS X kernel (~semeria) * * Revision 1.1.1.1 1998/03/07 02:25:38 wsanchez * Import of OSF Mach kernel (~mburg) * * Revision 1.1.8.2 1996/07/31 09:46:36 paire * Merged with nmk20b7_shared (1.1.11.2 -> 1.1.11.1) * [96/06/10 paire] * * Revision 1.1.11.2 1996/06/13 12:38:25 bernadat * Do not use inline macros when MACH_ASSERT is configured. * [96/05/24 bernadat] * * Revision 1.1.11.1 1996/05/14 13:50:23 paire * Added new linl and loutl __inline__. * Added conditional compilation for [l]{in|oub}[bwl]() __inline__. * [95/11/24 paire] * * Revision 1.1.8.1 1994/09/23 02:00:28 ezf * change marker to not FREE * [1994/09/22 21:25:52 ezf] * * Revision 1.1.4.5 1993/08/09 19:40:41 dswartz * Add ANSI prototypes - CR#9523 * [1993/08/06 17:45:57 dswartz] * * Revision 1.1.4.4 1993/06/11 15:17:37 jeffc * CR9176 - ANSI C violations: inb/outb macros must be changed from * ({ ... }) to inline functions, with proper type definitions. Callers * must pass proper types to these functions: 386 I/O port addresses * are unsigned shorts (not pointers). * [1993/06/10 14:26:10 jeffc] * * Revision 1.1.4.3 1993/06/07 22:09:28 jeffc * CR9176 - ANSI C violations: trailing tokens on CPP * directives, extra semicolons after decl_ ..., asm keywords * [1993/06/07 19:00:26 jeffc] * * Revision 1.1.4.2 1993/06/04 15:28:45 jeffc * CR9176 - ANSI problems - * Added casts to get macros to take caddr_t as an I/O space address. * [1993/06/04 13:45:55 jeffc] * * Revision 1.1 1992/09/30 02:25:51 robert * Initial revision * * $EndLog$ */ /* CMU_HIST */ /* * Revision 2.5 91/05/14 16:14:20 mrt * Correcting copyright * * Revision 2.4 91/02/05 17:13:56 mrt * Changed to new Mach copyright * [91/02/01 17:37:08 mrt] * * Revision 2.3 90/12/20 16:36:37 jeffreyh * changes for __STDC__ * [90/12/07 jeffreyh] * * Revision 2.2 90/11/26 14:48:41 rvb * Pulled from 2.5 * [90/11/22 10:09:38 rvb] * * [90/08/14 mg32] * * Now we know how types are factor in. * Cleaned up a bunch: eliminated ({ for output and flushed unused * output variables. * [90/08/14 rvb] * * This is how its done in gcc: * Created. * [90/03/26 rvb] * */ /* CMU_ENDHIST */ /* * Mach Operating System * Copyright (c) 1991,1990 Carnegie Mellon University * All Rights Reserved. * * Permission to use, copy, modify and distribute this software and its * documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * Carnegie Mellon requests users of this software to return to * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 * * any improvements or extensions that they make and grant Carnegie Mellon * the rights to redistribute these changes. */ /* */ #ifndef I386_PIO_H #define I386_PIO_H //#include <cpus.h> //#include <mach_assert.h> #define MACH_ASSERT 0 typedef unsigned short i386_ioport_t; /* read a longword */ extern unsigned long inl( i386_ioport_t port); /* read a shortword */ extern unsigned short inw( i386_ioport_t port); /* read a byte */ extern unsigned char inb( i386_ioport_t port); /* write a longword */ extern void outl( i386_ioport_t port, unsigned long datum); /* write a word */ extern void outw( i386_ioport_t port, unsigned short datum); /* write a longword */ extern void outb( i386_ioport_t port, unsigned char datum); /* input an array of longwords */ extern void linl( i386_ioport_t port, int * data, int count); /* output an array of longwords */ extern void loutl( i386_ioport_t port, int * data, int count); /* input an array of words */ extern void linw( i386_ioport_t port, int * data, int count); /* output an array of words */ extern void loutw( i386_ioport_t port, int * data, int count); /* input an array of bytes */ extern void linb( i386_ioport_t port, char * data, int count); /* output an array of bytes */ extern void loutb( i386_ioport_t port, char * data, int count); #if defined(__GNUC__) && (!MACH_ASSERT) extern __inline__ unsigned long inl( i386_ioport_t port) { unsigned long datum; __asm__ volatile("inl %1, %0" : "=a" (datum) : "d" (port)); return(datum); } extern __inline__ unsigned short inw( i386_ioport_t port) { unsigned short datum; __asm__ volatile(".byte 0x66; inl %1, %0" : "=a" (datum) : "d" (port)); return(datum); } extern __inline__ unsigned char inb( i386_ioport_t port) { unsigned char datum; __asm__ volatile("inb %1, %0" : "=a" (datum) : "d" (port)); return(datum); } extern __inline__ void outl( i386_ioport_t port, unsigned long datum) { __asm__ volatile("outl %0, %1" : : "a" (datum), "d" (port)); } extern __inline__ void outw( i386_ioport_t port, unsigned short datum) { __asm__ volatile(".byte 0x66; outl %0, %1" : : "a" (datum), "d" (port)); } extern __inline__ void outb( i386_ioport_t port, unsigned char datum) { __asm__ volatile("outb %0, %1" : : "a" (datum), "d" (port)); } #endif /* defined(__GNUC__) && (!MACH_ASSERT) */ #endif /* I386_PIO_H */