X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/1c79356b52d46aa6b508fb032f5ae709b1f2897b..143464d58d2bd6378e74eec636961ceb0d32fb91:/iokit/Kernel/IOStartIOKit.cpp diff --git a/iokit/Kernel/IOStartIOKit.cpp b/iokit/Kernel/IOStartIOKit.cpp index 23268cd62..4a218304d 100644 --- a/iokit/Kernel/IOStartIOKit.cpp +++ b/iokit/Kernel/IOStartIOKit.cpp @@ -1,32 +1,34 @@ /* - * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 1998-2010 Apple Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * The contents of this file constitute Original Code as defined in and - * are subject to the Apple Public Source License Version 1.1 (the - * "License"). You may not use this file except in compliance with the - * License. Please obtain a copy of the License at - * http://www.apple.com/publicsource and read it before using this file. + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. * - * @APPLE_LICENSE_HEADER_END@ - */ -/* - * Copyright (c) 1998,1999 Apple Computer, Inc. All rights reserved. - * - * HISTORY - * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #include +#include +#include #include #include #include @@ -36,117 +38,73 @@ #include #include #include -#include -#include +#include +#include +#include +#include #include +#include "IOKitKernelInternal.h" + extern "C" { extern void OSlibkernInit (void); -extern void IOLibInit(void); -#include +void iokit_post_constructor_init(void); +#include +#include -void IOKitResetTime( void ) +void IOKitInitializeTime( void ) { - mach_timespec_t t; - - t.tv_sec = 30; - t.tv_nsec = 0; - IOService::waitForService( - IOService::resourceMatching("IORTC"), &t ); -#ifndef i386 - IOService::waitForService( - IOService::resourceMatching("IONVRAM"), &t ); + mach_timespec_t t; + + t.tv_sec = 30; + t.tv_nsec = 0; + IOService::waitForService( + IOService::resourceMatching("IORTC"), &t ); +#if defined(__i386__) || defined(__x86_64__) + IOService::waitForService( + IOService::resourceMatching("IONVRAM"), &t ); #endif clock_initialize_calendar(); } - -void StartIOKit( void * p1, void * p2, void * p3, void * p4 ) +void IOKitResetTime( void ) { - IOPlatformExpertDevice * rootNub; - int debugFlags; - IORegistryEntry * root; - OSObject * obj; - extern const char * gIOKernelKmods; - OSString * errorString = NULL; // must release - OSDictionary * fakeKmods; // must release - OSCollectionIterator * kmodIter; // must release - OSString * kmodName; // don't release - - IOLog( iokit_version ); - - if( PE_parse_boot_arg( "io", &debugFlags )) - gIOKitDebug = debugFlags; - // - // Have to start IOKit environment before we attempt to start - // the C++ runtime environment. At some stage we have to clean up - // the initialisation path so that OS C++ can initialise independantly - // of iokit basic service initialisation, or better we have IOLib stuff - // initialise as basic OS services. - // - IOLibInit(); - OSlibkernInit(); - - IOLog("_cppInit done\n"); - + clock_sec_t secs; + clock_usec_t microsecs; - /***** - * Declare the fake kmod_info structs for built-in components - * that must be tracked as independent units for dependencies. - */ - fakeKmods = OSDynamicCast(OSDictionary, - OSUnserialize(gIOKernelKmods, &errorString)); - - if (!fakeKmods) { - if (errorString) { - panic("Kernel kmod list syntax error: %s\n", - errorString->getCStringNoCopy()); - errorString->release(); - } else { - panic("Error loading kernel kmod list.\n"); - } - } - - kmodIter = OSCollectionIterator::withCollection(fakeKmods); - if (!kmodIter) { - panic("Can't declare in-kernel kmods.\n"); - } - while ((kmodName = OSDynamicCast(OSString, kmodIter->getNextObject()))) { - - OSString * kmodVersion = OSDynamicCast(OSString, - fakeKmods->getObject(kmodName)); - if (!kmodVersion) { - panic("Can't declare in-kernel kmod; \"%s\" has " - "an invalid version.\n", - kmodName->getCStringNoCopy()); - } - if (KERN_SUCCESS != kmod_create_fake(kmodName->getCStringNoCopy(), - kmodVersion->getCStringNoCopy())) { - panic("Failure declaring in-kernel kmod \"%s\".\n", - kmodName->getCStringNoCopy()); - } - } + clock_initialize_calendar(); - kmodIter->release(); - fakeKmods->release(); + clock_get_calendar_microtime(&secs, µsecs); + gIOLastWakeTime.tv_sec = secs; + gIOLastWakeTime.tv_usec = microsecs; + IOService::updateConsoleUsers(NULL, kIOMessageSystemHasPoweredOn); +} +void iokit_post_constructor_init(void) +{ + IORegistryEntry * root; + OSObject * obj; root = IORegistryEntry::initialize(); assert( root ); IOService::initialize(); IOCatalogue::initialize(); + IOStatistics::initialize(); + OSKext::initialize(); IOUserClient::initialize(); IOMemoryDescriptor::initialize(); - IONetworkController::initialize(); - IODisplay::initialize(); + IORootParent::initialize(); - obj = OSString::withCString( iokit_version ); + // Initializes IOPMinformeeList class-wide shared lock + IOPMinformeeList::getSharedRecursiveLock(); + + obj = OSString::withCString( version ); assert( obj ); if( obj ) { root->setProperty( kIOKitBuildVersionKey, obj ); @@ -157,24 +115,83 @@ void StartIOKit( void * p1, void * p2, void * p3, void * p4 ) root->setProperty( kIOKitDiagnosticsKey, obj ); obj->release(); } +} -#ifdef i386 - // pretend there's no device-tree for intel - p1 = 0; -#endif +// From +extern int debug_mode; + +/***** + * Pointer into bootstrap KLD segment for functions never used past startup. + */ +void (*record_startup_extensions_function)(void) = 0; + +void StartIOKit( void * p1, void * p2, void * p3, void * p4 ) +{ + IOPlatformExpertDevice * rootNub; + int debugFlags; + + if( PE_parse_boot_argn( "io", &debugFlags, sizeof (debugFlags) )) + gIOKitDebug = debugFlags; + + if( PE_parse_boot_argn( "iotrace", &debugFlags, sizeof (debugFlags) )) + gIOKitTrace = debugFlags; + + // Compat for boot-args + gIOKitTrace |= (gIOKitDebug & kIOTraceCompatBootArgs); + + // Check for the log synchronous bit set in io + if (gIOKitDebug & kIOLogSynchronous) + debug_mode = true; + + // + // Have to start IOKit environment before we attempt to start + // the C++ runtime environment. At some stage we have to clean up + // the initialisation path so that OS C++ can initialise independantly + // of iokit basic service initialisation, or better we have IOLib stuff + // initialise as basic OS services. + // + IOLibInit(); + OSlibkernInit(); rootNub = new IOPlatformExpertDevice; if( rootNub && rootNub->initWithArgs( p1, p2, p3, p4)) { rootNub->attach( 0 ); - /* Enter into the catalogue the drivers - * provided by BootX. + /* If the bootstrap segment set up a function to record startup + * extensions, call it now. */ - gIOCatalogue->recordStartupExtensions(); + if (record_startup_extensions_function) { + record_startup_extensions_function(); + } rootNub->registerService(); + +#if !NO_KEXTD + /* Add a busy count to keep the registry busy until kextd has + * completely finished launching. This is decremented when kextd + * messages the kernel after the in-kernel linker has been + * removed and personalities have been sent. + */ + IOService::getServiceRoot()->adjustBusy(1); +#endif } } +void +IORegistrySetOSBuildVersion(char * build_version) +{ + IORegistryEntry * root = IORegistryEntry::getRegistryRoot(); + + if (root) { + if (build_version) { + root->setProperty(kOSBuildVersionKey, build_version); + } else { + root->removeProperty(kOSBuildVersionKey); + } + } + + return; +} + }; /* extern "C" */