Return to IOPCIDevicePPC.cpp CVS log

Up to [Apple XNU] / XNU / iokit / Families / IOPCIBus

Annotation of XNU/iokit/Families/IOPCIBus/IOPCIDevicePPC.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) 1998 Apple Computer, Inc.  All rights reserved. 
                     24:  *
                     25:  * HISTORY
                     26:  * 23 Nov 98 sdouglas created from objc version.
                     27:  */
                     28:  
                     29: #include <IOKit/system.h>
                     30: 
                     31: #include <IOKit/pci/IOPCIBridge.h>
                     32: #include <IOKit/pci/IOPCIDevice.h>
                     33: 
                     34: #include <IOKit/IOLib.h>
                     35: #include <IOKit/assert.h>
                     36: 
                     37: #include <libkern/OSByteOrder.h>
                     38: #include <libkern/c++/OSContainers.h>
                     39: 
                     40: 
                     41: /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
                     42: 
                     43: UInt32 IOPCIDevice::ioRead32( UInt16 offset, IOMemoryMap * map = 0 )
                     44: {
                     45:     UInt32     value;
                     46: 
                     47:     if( 0 == map) {
                     48:        map = ioMap;
                     49:        if( 0 == map)
                     50:            return( 0 );
                     51:     }
                     52: 
                     53:     value = OSReadSwapInt32( (volatile void *)map->getVirtualAddress(), offset);
                     54:     eieio();
                     55: 
                     56:     return( value );
                     57: }
                     58: 
                     59: UInt16 IOPCIDevice::ioRead16( UInt16 offset, IOMemoryMap * map = 0 )
                     60: {
                     61:     UInt16     value;
                     62: 
                     63:     if( 0 == map) {
                     64:        map = ioMap;
                     65:        if( 0 == map)
                     66:            return( 0 );
                     67:     }
                     68: 
                     69:     value = OSReadSwapInt16( (volatile void *)map->getVirtualAddress(), offset);
                     70:     eieio();
                     71: 
                     72:     return( value );
                     73: }
                     74: 
                     75: UInt8 IOPCIDevice::ioRead8( UInt16 offset, IOMemoryMap * map = 0 )
                     76: {
                     77:     UInt32     value;
                     78: 
                     79:     if( 0 == map) {
                     80:        map = ioMap;
                     81:        if( 0 == map)
                     82:            return( 0 );
                     83:     }
                     84: 
                     85:     value = ((volatile UInt8 *) map->getVirtualAddress())[ offset ];
                     86:     eieio();
                     87: 
                     88:     return( value );
                     89: }
                     90: 
                     91: void IOPCIDevice::ioWrite32( UInt16 offset, UInt32 value,
                     92:                                IOMemoryMap * map = 0 )
                     93: {
                     94:     if( 0 == map) {
                     95:        map = ioMap;
                     96:        if( 0 == map)
                     97:            return;
                     98:     }
                     99: 
                    100:     OSWriteSwapInt32( (volatile void *)map->getVirtualAddress(), offset, value);
                    101:     eieio();
                    102: }
                    103: 
                    104: void IOPCIDevice::ioWrite16( UInt16 offset, UInt16 value,
                    105:                                IOMemoryMap * map = 0 )
                    106: {
                    107:     if( 0 == map) {
                    108:        map = ioMap;
                    109:        if( 0 == map)
                    110:            return;
                    111:     }
                    112: 
                    113:     OSWriteSwapInt16( (volatile void *)map->getVirtualAddress(), offset, value);
                    114:     eieio();
                    115: }
                    116: 
                    117: void IOPCIDevice::ioWrite8( UInt16 offset, UInt8 value,
                    118:                                IOMemoryMap * map = 0 )
                    119: {
                    120:     if( 0 == map) {
                    121:        map = ioMap;
                    122:        if( 0 == map)
                    123:            return;
                    124:     }
                    125: 
                    126:     ((volatile UInt8 *) map->getVirtualAddress())[ offset ] = value;
                    127:     eieio();
                    128: 
                    129: }
                    130: 

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