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Annotation of XNU/iokit/Kernel/IOStartIOKit.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) 1998,1999 Apple Computer, Inc.  All rights reserved. 
        !            24:  *
        !            25:  * HISTORY
        !            26:  *
        !            27:  */
        !            28: 
        !            29: #include <IOKit/IORegistryEntry.h>
        !            30: #include <IOKit/IODeviceTreeSupport.h>
        !            31: #include <IOKit/IOCatalogue.h>
        !            32: #include <IOKit/IOUserClient.h>
        !            33: #include <IOKit/IOMemoryDescriptor.h>
        !            34: #include <IOKit/IOPlatformExpert.h>
        !            35: #include <IOKit/IOLib.h>
        !            36: #include <IOKit/IOKitKeys.h>
        !            37: #include <IOKit/IOKitDebug.h>
        !            38: #include <IOKit/network/IONetworkController.h>
        !            39: 
        !            40: #include <IOKit/assert.h>
        !            41: 
        !            42: extern "C" {
        !            43: 
        !            44: extern void OSlibkernInit (void);
        !            45: extern void IOLibInit(void);
        !            46: 
        !            47: #include <kern/clock.h>
        !            48: 
        !            49: 
        !            50: void IOKitResetTime( void )
        !            51: {
        !            52:     mach_timespec_t    t;
        !            53: 
        !            54:     t.tv_sec = 30;
        !            55:     t.tv_nsec = 0;
        !            56:     IOService::waitForService(
        !            57:         IOService::resourceMatching("IORTC"), &t );
        !            58: #ifndef i386
        !            59:     IOService::waitForService(
        !            60:         IOService::resourceMatching("IONVRAM"), &t );
        !            61: #endif
        !            62: 
        !            63:     clock_initialize_calendar();
        !            64: }
        !            65: 
        !            66: 
        !            67: void StartIOKit( void * p1, void * p2, void * p3, void * p4 )
        !            68: {
        !            69:     IOPlatformExpertDevice *   rootNub;
        !            70:     int                                debugFlags;
        !            71:     IORegistryEntry *          root;
        !            72:     OSObject *                 obj;
        !            73: 
        !            74:     IOLog( iokit_version );
        !            75: 
        !            76:     if( PE_parse_boot_arg( "io", &debugFlags ))
        !            77:        gIOKitDebug = debugFlags;
        !            78: 
        !            79:     //
        !            80:     // Have to start IOKit environment before we attempt to start
        !            81:     // the C++ runtime environment.  At some stage we have to clean up
        !            82:     // the initialisation path so that OS C++ can initialise independantly
        !            83:     // of iokit basic service initialisation, or better we have IOLib stuff
        !            84:     // initialise as basic OS services.
        !            85:     //
        !            86:     IOLibInit(); 
        !            87:     OSlibkernInit();
        !            88: 
        !            89:     IOLog("_cppInit done\n");
        !            90: 
        !            91:     root = IORegistryEntry::initialize();
        !            92:     assert( root );
        !            93:     IOService::initialize();
        !            94:     IOCatalogue::initialize();
        !            95:     IOUserClient::initialize();
        !            96:     IOMemoryDescriptor::initialize();
        !            97:     IONetworkController::initialize();
        !            98: 
        !            99:     obj = OSString::withCString( iokit_version );
        !           100:     assert( obj );
        !           101:     if( obj ) {
        !           102:         root->setProperty( kIOKitBuildVersionKey, obj );
        !           103:        obj->release();
        !           104:     }
        !           105:     obj = IOKitDiagnostics::diagnostics();
        !           106:     if( obj ) {
        !           107:         root->setProperty( kIOKitDiagnosticsKey, obj );
        !           108:        obj->release();
        !           109:     }
        !           110: 
        !           111: #ifdef i386
        !           112:     // pretend there's no device-tree for intel
        !           113:     p1 = 0;
        !           114: #endif
        !           115: 
        !           116:     rootNub = new IOPlatformExpertDevice;
        !           117: 
        !           118:     if( rootNub && rootNub->initWithArgs( p1, p2, p3, p4)) {
        !           119:         rootNub->attach( 0 );
        !           120:         rootNub->registerService();
        !           121:     }
        !           122: }
        !           123: 
        !           124: }; /* extern "C" */

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