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Annotation of XNU/iokit/Drivers/network/drvPPCUniN/UniNEnetPrivate.h, 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) 1998-1999 Apple Computer
                     24:  *
                     25:  * Interface for hardware dependent (relatively) code 
                     26:  * for the UniN Ethernet chip 
                     27:  *
                     28:  * HISTORY
                     29:  *
                     30:  */
                     31: 
                     32: 
                     33: #include "UniNEnet.h"
                     34: #include "UniNEnetMII.h"
                     35: 
                     36: //
                     37: // Hacks, get rid of this!
                     38: //
                     39: extern "C"
                     40: {
                     41:        extern unsigned splimp(void);
                     42:        extern void     splx(unsigned level);
                     43:        extern unsigned splhigh(void);
                     44: }
                     45: 
                     46: 
                     47: void WriteUniNRegister( IOPPCAddress ioEnetBase, u_int32_t reg_offset, u_int32_t data);
                     48: volatile u_int32_t ReadUniNRegister( IOPPCAddress ioEnetBase, u_int32_t reg_offset);
                     49: 
                     50: static __inline__ u_int16_t EndianSwap16(volatile u_int16_t y)
                     51: {
                     52:     u_int16_t           result;
                     53:     volatile u_int16_t  x;
                     54: 
                     55:     x = y;   
                     56:     __asm__ volatile("lhbrx %0, 0, %1" : "=r" (result) : "r" (&x) : "r0");
                     57:     return result;
                     58: }
                     59: 
                     60: static __inline__ u_int32_t EndianSwap32(u_int32_t y)
                     61: {
                     62:     u_int32_t            result;
                     63:     volatile u_int32_t   x;
                     64: 
                     65:     x = y;
                     66:     __asm__ volatile("lwbrx %0, 0, %1" : "=r" (result) : "r" (&x) : "r0");
                     67:     return result;
                     68: }
                     69: 
                     70: 

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