X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/5d5c5d0d5b79ade9a973d55186ffda2638ba2b6e..4d15aeb193b2c68f1d38666c317f8d3734f5f083:/iokit/Kernel/IOStartIOKit.cpp diff --git a/iokit/Kernel/IOStartIOKit.cpp b/iokit/Kernel/IOStartIOKit.cpp index 6a32cbcdc..f9d9fc018 100644 --- a/iokit/Kernel/IOStartIOKit.cpp +++ b/iokit/Kernel/IOStartIOKit.cpp @@ -1,40 +1,33 @@ /* - * Copyright (c) 1998-2005 Apple Computer, Inc. All rights reserved. + * Copyright (c) 1998-2010 Apple Inc. All rights reserved. * - * @APPLE_LICENSE_OSREFERENCE_HEADER_START@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * 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. - * - * 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, QUIET ENJOYMENT OR NON-INFRINGEMENT. - * Please see the License for the specific language governing rights and + * 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. + * + * 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, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and * limitations under the License. - * - * @APPLE_LICENSE_OSREFERENCE_HEADER_END@ - */ -/* - * Copyright (c) 1998,1999 Apple Computer, Inc. All rights reserved. - * - * HISTORY - * + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #include +#include #include #include #include @@ -45,19 +38,33 @@ #include #include #include - +#include +#include +#include +#include +#include #include +#include #include "IOKitKernelInternal.h" +const OSSymbol * gIOProgressBackbufferKey; +OSSet * gIORemoveOnReadProperties; + extern "C" { +void StartIOKit( void * p1, void * p2, void * p3, void * p4 ); +void IORegistrySetOSBuildVersion(char * build_version); +void IORecordProgressBackbuffer(void * buffer, size_t size, uint32_t theme); + extern void OSlibkernInit (void); -extern void ml_hpet_cfg(uint32_t, uint32_t); + +void iokit_post_constructor_init(void); #include +#include -void IOKitResetTime( void ) +void IOKitInitializeTime( void ) { mach_timespec_t t; @@ -65,37 +72,77 @@ void IOKitResetTime( void ) t.tv_nsec = 0; IOService::waitForService( IOService::resourceMatching("IORTC"), &t ); -#ifndef i386 +#if defined(__i386__) || defined(__x86_64__) IOService::waitForService( IOService::resourceMatching("IONVRAM"), &t ); - #endif clock_initialize_calendar(); } +void iokit_post_constructor_init(void) +{ + IORegistryEntry * root; + OSObject * obj; + + IOCPUInitialize(); + root = IORegistryEntry::initialize(); + assert( root ); + IOService::initialize(); + IOCatalogue::initialize(); + IOStatistics::initialize(); + OSKext::initialize(); + IOUserClient::initialize(); + IOMemoryDescriptor::initialize(); + IORootParent::initialize(); + + // Initializes IOPMinformeeList class-wide shared lock + IOPMinformeeList::getSharedRecursiveLock(); + + obj = OSString::withCString( version ); + assert( obj ); + if( obj ) { + root->setProperty( kIOKitBuildVersionKey, obj ); + obj->release(); + } + obj = IOKitDiagnostics::diagnostics(); + if( obj ) { + root->setProperty( kIOKitDiagnosticsKey, obj ); + obj->release(); + } +} + // 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; - 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 - if( PE_parse_boot_arg( "io", &debugFlags )) + if( PE_parse_boot_argn( "io", &debugFlags, sizeof (debugFlags) )) gIOKitDebug = debugFlags; - +#if DEVELOPMENT || DEBUG + else gIOKitDebug |= kIOWaitQuietPanics; +#endif /* DEVELOPMENT || DEBUG */ + + 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; + if( PE_parse_boot_argn( "pmtimeout", &debugFlags, sizeof (debugFlags) )) + gCanSleepTimeout = debugFlags; // // Have to start IOKit environment before we attempt to start // the C++ runtime environment. At some stage we have to clean up @@ -105,84 +152,64 @@ void StartIOKit( void * p1, void * p2, void * p3, void * p4 ) // IOLibInit(); OSlibkernInit(); + devsw_init(); - /***** - * 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"); - } - } + gIOProgressBackbufferKey = OSSymbol::withCStringNoCopy(kIOProgressBackbufferKey); + gIORemoveOnReadProperties = OSSet::withObjects((const OSObject **) &gIOProgressBackbufferKey, 1); - 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()); - } + interruptAccountingInit(); - // empty version strings get replaced with current kernel version - const char *vers = (strlen(kmodVersion->getCStringNoCopy()) - ? kmodVersion->getCStringNoCopy() - : osrelease); + rootNub = new IOPlatformExpertDevice; - if (KERN_SUCCESS != kmod_create_fake(kmodName->getCStringNoCopy(), vers)) { - panic("Failure declaring in-kernel kmod \"%s\".\n", - kmodName->getCStringNoCopy()); - } - } + if( rootNub && rootNub->initWithArgs( p1, p2, p3, p4)) { + rootNub->attach( 0 ); - kmodIter->release(); - fakeKmods->release(); + /* If the bootstrap segment set up a function to record startup + * extensions, call it now. + */ + 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 + } +} - root = IORegistryEntry::initialize(); - assert( root ); - IOService::initialize(); - IOCatalogue::initialize(); - IOUserClient::initialize(); - IOMemoryDescriptor::initialize(); +void +IORegistrySetOSBuildVersion(char * build_version) +{ + IORegistryEntry * root = IORegistryEntry::getRegistryRoot(); - obj = OSString::withCString( version ); - assert( obj ); - if( obj ) { - root->setProperty( kIOKitBuildVersionKey, obj ); - obj->release(); - } - obj = IOKitDiagnostics::diagnostics(); - if( obj ) { - root->setProperty( kIOKitDiagnosticsKey, obj ); - obj->release(); + if (root) { + if (build_version) { + root->setProperty(kOSBuildVersionKey, build_version); + } else { + root->removeProperty(kOSBuildVersionKey); + } } - rootNub = new IOPlatformExpertDevice; - - if( rootNub && rootNub->initWithArgs( p1, p2, p3, p4)) { - rootNub->attach( 0 ); + return; +} - /* Enter into the catalogue the drivers - * provided by BootX. - */ - gIOCatalogue->recordStartupExtensions(); +void +IORecordProgressBackbuffer(void * buffer, size_t size, uint32_t theme) +{ + IORegistryEntry * chosen; + if ((chosen = IORegistryEntry::fromPath(kIODeviceTreePlane ":/chosen"))) + { + chosen->setProperty(kIOProgressBackbufferKey, buffer, size); + chosen->setProperty(kIOProgressColorThemeKey, theme, 32); - rootNub->registerService(); + chosen->release(); } }