X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/8f6c56a50524aa785f7e596d52dddfb331e18961..a39ff7e25e19b3a8c3020042a3872ca9ec9659f1:/iokit/Kernel/IOStartIOKit.cpp?ds=sidebyside diff --git a/iokit/Kernel/IOStartIOKit.cpp b/iokit/Kernel/IOStartIOKit.cpp index 6494f247c..6eb48b713 100644 --- a/iokit/Kernel/IOStartIOKit.cpp +++ b/iokit/Kernel/IOStartIOKit.cpp @@ -1,5 +1,5 @@ /* - * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 1998-2010 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * @@ -25,14 +25,9 @@ * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ -/* - * Copyright (c) 1998,1999 Apple Computer, Inc. All rights reserved. - * - * HISTORY - * - */ #include +#include #include #include #include @@ -43,18 +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); +void iokit_post_constructor_init(void); + #include +#include -void IOKitResetTime( void ) +void IOKitInitializeTime( void ) { mach_timespec_t t; @@ -62,99 +72,32 @@ 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(); + clock_initialize_calendar(); } -// From -extern int debug_mode; - -void StartIOKit( void * p1, void * p2, void * p3, void * p4 ) +void iokit_post_constructor_init(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 - - 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 - // 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(); - - /***** - * 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()); - } - - // 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()); - } - } - - kmodIter->release(); - fakeKmods->release(); - - + 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 ); @@ -167,18 +110,99 @@ void StartIOKit( void * p1, void * p2, void * p3, void * p4 ) root->setProperty( kIOKitDiagnosticsKey, obj ); obj->release(); } +} + +/***** + * 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 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); + + 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 + // 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(); + devsw_init(); + + gIOProgressBackbufferKey = OSSymbol::withCStringNoCopy(kIOProgressBackbufferKey); + gIORemoveOnReadProperties = OSSet::withObjects((const OSObject **) &gIOProgressBackbufferKey, 1); + + interruptAccountingInit(); 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; +} + +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); + + chosen->release(); } }