+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();
+ }
+}
+
+/*****
+ * Pointer into bootstrap KLD segment for functions never used past startup.
+ */
+void (*record_startup_extensions_function)(void) = NULL;
+
+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;
+ }
+
+ if (PE_parse_boot_argn( "dk", &debugFlags, sizeof(debugFlags))) {
+ gIODKDebug = 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();
+ IOMachPortInitialize();
+ 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( NULL );
+
+ /* 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
+ }
+}