Return to io_inline.h CVS log

Up to [Apple Darwin 0.x] / kernel / bsd / dev / ppc / drvPPCATA

Annotation of kernel/bsd/dev/ppc/drvPPCATA/io_inline.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: 
        !            25: /*
        !            26:  * Copyright (c) 1992 NeXT Computer, Inc.
        !            27:  *
        !            28:  * Inlines for io space access.
        !            29:  *
        !            30:  * HISTORY
        !            31:  *
        !            32:  * 20 May 1992 ? at NeXT
        !            33:  *     Created.
        !            34:  */
        !            35:  
        !            36: #import <machine/types.h>
        !            37: 
        !            38: #ifndef eieio
        !            39: #define eieio() \
        !            40:         __asm__ volatile("eieio")
        !            41: #endif
        !            42: 
        !            43: typedef u_int32_t io_addr_t; 
        !            44: 
        !            45: #if    !defined(DEFINE_INLINE_FUNCTIONS)
        !            46: static
        !            47: #endif
        !            48: inline
        !            49: unsigned char
        !            50: inb(
        !            51:     io_addr_t          port
        !            52: )
        !            53: {
        !            54:     unsigned char      data;
        !            55:     data = *(volatile u_int8_t *)port; 
        !            56:     return (data);
        !            57: }
        !            58:  
        !            59: #if    !defined(DEFINE_INLINE_FUNCTIONS)
        !            60: static
        !            61: #endif
        !            62: inline
        !            63: unsigned short
        !            64: inw(
        !            65:     io_addr_t          port
        !            66: )
        !            67: {
        !            68:     unsigned short     data;
        !            69:     
        !            70:     data = *(volatile u_int16_t *)port;        
        !            71:     return (data);
        !            72: }
        !            73: 
        !            74: #if    !defined(DEFINE_INLINE_FUNCTIONS)
        !            75: static
        !            76: #endif
        !            77: inline
        !            78: unsigned short
        !            79: inl(
        !            80:     io_addr_t          port
        !            81: )
        !            82: {
        !            83:     unsigned long      data;
        !            84:     
        !            85:     data = *(volatile u_int32_t *)port;        
        !            86:     return (data);
        !            87: }
        !            88: 
        !            89: #if    !defined(DEFINE_INLINE_FUNCTIONS)
        !            90: static
        !            91: #endif
        !            92: inline
        !            93: void
        !            94: outb(
        !            95:     io_addr_t          port,
        !            96:     unsigned char      data
        !            97: )
        !            98: {
        !            99:     *(volatile u_int8_t *)port = data;
        !           100:     eieio();
        !           101: }
        !           102: 
        !           103: #if    !defined(DEFINE_INLINE_FUNCTIONS)
        !           104: static
        !           105: #endif
        !           106: inline
        !           107: void
        !           108: outw(
        !           109:     io_addr_t          port,
        !           110:     unsigned short     data
        !           111: )
        !           112: {
        !           113:     *(volatile u_int16_t *)port = data;
        !           114:     eieio();
        !           115: }
        !           116: 
        !           117: #if    !defined(DEFINE_INLINE_FUNCTIONS)
        !           118: static
        !           119: #endif
        !           120: inline
        !           121: void
        !           122: outl(
        !           123:     io_addr_t          port,
        !           124:     unsigned long      data
        !           125: )
        !           126: {
        !           127:     *(volatile u_int32_t *)port = data;
        !           128:     eieio();
        !           129: }
        !           130: 

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.