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Annotation of XNU/iokit/Families/IOPCIBus/IOPCIDeviceI386.cpp, revision 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: #include <IOKit/IOLib.h>
        !            34: #include <IOKit/assert.h>
        !            35: 
        !            36: #include <libkern/c++/OSContainers.h>
        !            37: 
        !            38: #include <architecture/i386/pio.h>
        !            39: 
        !            40: /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
        !            41: 
        !            42: UInt32 IOPCIDevice::ioRead32( UInt16 offset, IOMemoryMap * map = 0 )
        !            43: {
        !            44:     UInt32     value;
        !            45: 
        !            46:     if( 0 == map)
        !            47:        map = ioMap;
        !            48: 
        !            49:     value = inl( map->getPhysicalAddress() + offset );
        !            50: 
        !            51:     return( value );
        !            52: }
        !            53: 
        !            54: UInt16 IOPCIDevice::ioRead16( UInt16 offset, IOMemoryMap * map = 0 )
        !            55: {
        !            56:     UInt16     value;
        !            57: 
        !            58:     if( 0 == map)
        !            59:        map = ioMap;
        !            60: 
        !            61:     value = inw( map->getPhysicalAddress() + offset );
        !            62: 
        !            63:     return( value );
        !            64: }
        !            65: 
        !            66: UInt8 IOPCIDevice::ioRead8( UInt16 offset, IOMemoryMap * map = 0 )
        !            67: {
        !            68:     UInt32     value;
        !            69: 
        !            70:     if( 0 == map)
        !            71:        map = ioMap;
        !            72: 
        !            73:     value = inb( map->getPhysicalAddress() + offset );
        !            74: 
        !            75:     return( value );
        !            76: }
        !            77: 
        !            78: void IOPCIDevice::ioWrite32( UInt16 offset, UInt32 value,
        !            79:                                IOMemoryMap * map = 0 )
        !            80: {
        !            81:     if( 0 == map)
        !            82:        map = ioMap;
        !            83: 
        !            84:     outl( map->getPhysicalAddress() + offset, value );
        !            85: }
        !            86: 
        !            87: void IOPCIDevice::ioWrite16( UInt16 offset, UInt16 value,
        !            88:                                IOMemoryMap * map = 0 )
        !            89: {
        !            90:     if( 0 == map)
        !            91:        map = ioMap;
        !            92: 
        !            93:     outw( map->getPhysicalAddress() + offset, value );
        !            94: }
        !            95: 
        !            96: void IOPCIDevice::ioWrite8( UInt16 offset, UInt8 value,
        !            97:                                IOMemoryMap * map = 0 )
        !            98: {
        !            99:     if( 0 == map)
        !           100:        map = ioMap;
        !           101: 
        !           102:     outb( map->getPhysicalAddress() + offset, value );
        !           103: }
        !           104: 

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