/* * Copyright (c) 2003 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This 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 OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ #ifndef __IOKIT_IOACPIINLINEIO_H #define __IOKIT_IOACPIINLINEIO_H #ifdef __i386__ #define __IN(s, u) \ static inline unsigned u \ in##s(unsigned short port) \ { \ unsigned u data; \ asm volatile ( \ "in" #s " %1, %0" \ : "=a" (data) \ : "d" (port)); \ return (data); \ } #define __OUT(s, u) \ static inline void \ out##s(unsigned short port, unsigned u data) \ { \ asm volatile ( \ "out" #s " %1, %0" \ : \ : "d" (port), "a" (data)); \ } #else /* ! __i386__ */ #define __IN(s, u) \ static inline unsigned u \ in##s(unsigned short port) \ { \ return (0); \ } #define __OUT(s, u) \ static inline void \ out##s(unsigned short port, unsigned u data) \ { \ } #endif /* ! __i386__ */ __IN(b, char) __IN(w, short) __IN(l, long) __OUT(b, char) __OUT(w, short) __OUT(l, long) #endif /* !__IOKIT_IOACPIINLINEIO_H */