X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/1c79356b52d46aa6b508fb032f5ae709b1f2897b..ca66cea69e6e866fd781ae2260d9474bdd48f2ca:/iokit/Kernel/IOStartIOKit.cpp diff --git a/iokit/Kernel/IOStartIOKit.cpp b/iokit/Kernel/IOStartIOKit.cpp index 23268cd62..25c13cb0e 100644 --- a/iokit/Kernel/IOStartIOKit.cpp +++ b/iokit/Kernel/IOStartIOKit.cpp @@ -1,23 +1,29 @@ /* - * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 1998-2006 Apple Computer, 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@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * Copyright (c) 1998,1999 Apple Computer, Inc. All rights reserved. @@ -27,6 +33,7 @@ */ #include +#include #include #include #include @@ -36,36 +43,51 @@ #include #include #include -#include -#include +#include #include +#include "IOKitKernelInternal.h" + extern "C" { extern void OSlibkernInit (void); -extern void IOLibInit(void); +extern void ml_hpet_cfg(uint32_t, uint32_t); #include +#include + +void IOKitInitializeTime( void ) +{ + mach_timespec_t t; + + t.tv_sec = 30; + t.tv_nsec = 0; + IOService::waitForService( + IOService::resourceMatching("IORTC"), &t ); +#ifdef ppc + IOService::waitForService( + IOService::resourceMatching("IONVRAM"), &t ); +#endif + clock_initialize_calendar(); +} void IOKitResetTime( 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 ); -#endif + uint32_t secs, microsecs; clock_initialize_calendar(); + + clock_get_calendar_microtime(&secs, µsecs); + gIOLastWakeTime.tv_sec = secs; + gIOLastWakeTime.tv_usec = microsecs; } +// From +extern int debug_mode; + void StartIOKit( void * p1, void * p2, void * p3, void * p4 ) { IOPlatformExpertDevice * rootNub; @@ -78,10 +100,13 @@ void StartIOKit( void * p1, void * p2, void * p3, void * p4 ) OSCollectionIterator * kmodIter; // must release OSString * kmodName; // don't release - IOLog( iokit_version ); - if( PE_parse_boot_arg( "io", &debugFlags )) gIOKitDebug = debugFlags; + + // 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 @@ -92,9 +117,6 @@ void StartIOKit( void * p1, void * p2, void * p3, void * p4 ) IOLibInit(); OSlibkernInit(); - IOLog("_cppInit done\n"); - - /***** * Declare the fake kmod_info structs for built-in components * that must be tracked as independent units for dependencies. @@ -125,8 +147,13 @@ void StartIOKit( void * p1, void * p2, void * p3, void * p4 ) "an invalid version.\n", kmodName->getCStringNoCopy()); } - if (KERN_SUCCESS != kmod_create_fake(kmodName->getCStringNoCopy(), - kmodVersion->getCStringNoCopy())) { + + // empty version strings get replaced with current kernel version + const char *vers = (strlen(kmodVersion->getCStringNoCopy()) + ? kmodVersion->getCStringNoCopy() + : osrelease); + + if (KERN_SUCCESS != kmod_create_fake(kmodName->getCStringNoCopy(), vers)) { panic("Failure declaring in-kernel kmod \"%s\".\n", kmodName->getCStringNoCopy()); } @@ -143,10 +170,11 @@ void StartIOKit( void * p1, void * p2, void * p3, void * p4 ) IOCatalogue::initialize(); IOUserClient::initialize(); IOMemoryDescriptor::initialize(); - IONetworkController::initialize(); - IODisplay::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 ); @@ -158,11 +186,6 @@ void StartIOKit( void * p1, void * p2, void * p3, void * p4 ) obj->release(); } -#ifdef i386 - // pretend there's no device-tree for intel - p1 = 0; -#endif - rootNub = new IOPlatformExpertDevice; if( rootNub && rootNub->initWithArgs( p1, p2, p3, p4)) { @@ -174,7 +197,32 @@ void StartIOKit( void * p1, void * p2, void * p3, void * p4 ) gIOCatalogue->recordStartupExtensions(); 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" */