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Annotation of XNU/iokit/Drivers/network/drvMaceEnet/MaceEnetHW.cpp, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * The contents of this file constitute Original Code as defined in and
                      7:  * are subject to the Apple Public Source License Version 1.1 (the
                      8:  * "License").  You may not use this file except in compliance with the
                      9:  * License.  Please obtain a copy of the License at
                     10:  * http://www.apple.com/publicsource and read it before using this file.
                     11:  * 
                     12:  * This Original Code and all software distributed under the License are
                     13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     17:  * License for the specific language governing rights and limitations
                     18:  * under the License.
                     19:  * 
                     20:  * @APPLE_LICENSE_HEADER_END@
                     21:  */
                     22: /*
                     23:  * Copyright (c) 1995-1996 NeXT Software, Inc.
                     24:  *
                     25:  * Inline definitions for the Apple Mace Ethernet Controller.
                     26:  *
                     27:  * HISTORY
                     28:  *
                     29:  * 11-Sept-97  
                     30:  *     Created.
                     31:  */
                     32: 
                     33: #include "MaceEnetRegisters.h"
                     34: #include "MaceEnetPrivate.h"
                     35: 
                     36: void WriteMaceRegister( IOPPCAddress ioEnetBase, u_int32_t reg_offset, u_int8_t data )
                     37: {
                     38:        *((volatile u_int8_t *)ioEnetBase + reg_offset) = data;
                     39:        eieio();
                     40: }
                     41: 
                     42: 
                     43: volatile u_int8_t ReadMaceRegister( IOPPCAddress ioEnetBase, u_int32_t reg_offset )
                     44: {
                     45:        return ((volatile u_int8_t *)ioEnetBase)[reg_offset] ; 
                     46: }

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