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iokit/Kernel/IOStartIOKit.cpp xnu-12377.101.15 xnu-344.12.2
--- xnu/xnu-12377.101.15/iokit/Kernel/IOStartIOKit.cpp
+++ xnu/xnu-344.12.2/iokit/Kernel/IOStartIOKit.cpp
@@ -1,230 +1,217 @@
 /*
- * Copyright (c) 1998-2010 Apple Inc. All rights reserved.
+ * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
  *
- * @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
+ * @APPLE_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 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.
+ * FITNESS FOR A PARTICULAR PURPOSE 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. 
  *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ * HISTORY
+ *
  */
 
 #include <libkern/c++/OSUnserialize.h>
-#include <libkern/c++/OSKext.h>
-#include <libkern/section_keywords.h>
-#include <libkern/version.h>
 #include <IOKit/IORegistryEntry.h>
 #include <IOKit/IODeviceTreeSupport.h>
 #include <IOKit/IOCatalogue.h>
 #include <IOKit/IOUserClient.h>
 #include <IOKit/IOMemoryDescriptor.h>
 #include <IOKit/IOPlatformExpert.h>
-#include <IOKit/IOKernelReporters.h>
 #include <IOKit/IOLib.h>
 #include <IOKit/IOKitKeys.h>
 #include <IOKit/IOKitDebug.h>
-#include <IOKit/pwr_mgt/RootDomain.h>
-#include <IOKit/pwr_mgt/IOPMinformeeList.h>
-#include <IOKit/IOStatisticsPrivate.h>
-#include <IOKit/IOKitKeysPrivate.h>
-#include <IOKit/IOInterruptAccountingPrivate.h>
+
 #include <IOKit/assert.h>
-#include <sys/conf.h>
-
-#include "IOKitKernelInternal.h"
-
-const OSSymbol * gIOProgressBackbufferKey;
-OSSet *          gIORemoveOnReadProperties;
 
 extern "C" {
-void InitIOKit(void *dtTop);
-void ConfigureIOKit(void);
-void StartIOKitMatching(void);
-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);
-
-SECURITY_READ_ONLY_LATE(static IOPlatformExpertDevice*) gRootNub;
+
+extern void OSlibkernInit (void);
+extern void IOLibInit(void);
 
 #include <kern/clock.h>
-#include <sys/time.h>
-
-void
-IOKitInitializeTime( void )
-{
-	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 );
+
+/*XXX power management hacks XXX*/
+#include <IOKit/IOReturn.h>
+#include <IOKit/IOMessage.h>
+
+extern void *registerSleepWakeInterest(
+						void		*callback,
+						void		*target,
+						void		*refCon);
+/*XXX power management hacks XXX*/
+
+static void
+calend_wakeup_resynch(
+	thread_call_param_t		p0,
+	thread_call_param_t		p1)
+{
+	void		IOKitResetTime(void);
+
+	IOKitResetTime();
+}
+
+static thread_call_t	calend_sleep_wake_call;
+
+static IOReturn
+calend_sleep_wake_notif(
+	void			*target,
+	void			*refCon,
+	unsigned int	messageType,
+	void			*provider,
+	void			*messageArg,
+	vm_size_t		argSize)
+{
+	if (messageType != kIOMessageSystemHasPoweredOn)
+		return (kIOReturnUnsupported);
+
+	if (calend_sleep_wake_call != NULL)
+		thread_call_enter(calend_sleep_wake_call);
+
+	return (kIOReturnSuccess);
+}
+
+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
 
-	clock_initialize_calendar();
-}
-
-void
-iokit_post_constructor_init(void)
-{
-	IORegistryEntry *           root;
-	OSObject *                  obj;
-
-	IOCPUInitialize();
-	IOPlatformActionsInitialize();
-	root = IORegistryEntry::initialize();
-	assert( root );
-	IOService::initialize();
-	IOCatalogue::initialize();
-	IOStatistics::initialize();
-	OSKext::initialize();
-	IOUserClient::initialize();
-	IOMemoryDescriptor::initialize();
-	IORootParent::initialize();
-	IOReporter::initialize();
-
-	// Initializes IOPMinformeeList class-wide shared lock
-	IOPMinformeeList::getSharedRecursiveLock();
-
-	obj = OSString::withCString( version );
-	assert( obj );
-	if (obj) {
-		root->setProperty( kIOKitBuildVersionKey, obj );
-		obj->release();
+	if (calend_sleep_wake_call == NULL) {
+		calend_sleep_wake_call = thread_call_allocate(
+											calend_wakeup_resynch, NULL);
+
+		registerSleepWakeInterest((void *)calend_sleep_wake_notif, NULL, NULL);
 	}
-	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
-InitIOKit(void *dtTop)
-{
-	// Compat for boot-args
-	gIOKitTrace |= (gIOKitDebug & kIOTraceCompatBootArgs);
-
-	//
-	// 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();
-
-	gIOProgressBackbufferKey  = OSSymbol::withCStringNoCopy(kIOProgressBackbufferKey);
-	gIORemoveOnReadProperties = OSSet::withObjects((const OSObject **) &gIOProgressBackbufferKey, 1);
-
-	interruptAccountingInit();
-
-	gRootNub = new IOPlatformExpertDevice;
-	if (__improbable(gRootNub == NULL)) {
-		panic("Failed to allocate IOKit root nub");
-	}
-	bool ok = gRootNub->init(dtTop);
-	if (__improbable(!ok)) {
-		panic("Failed to initialize IOKit root nub");
-	}
-	gRootNub->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();
-	}
-}
-
-void
-ConfigureIOKit(void)
-{
-	assert(gRootNub != NULL);
-	gRootNub->configureDefaults();
-}
-
-void
-StartIOKitMatching(void)
-{
-	SOCD_TRACE_XNU(START_IOKIT, SOCD_TRACE_MODE_NONE);
-	assert(gRootNub != NULL);
-	bool ok = gRootNub->startIOServiceMatching();
-	if (__improbable(!ok)) {
-		panic("Failed to start IOService matching");
-	}
-
-#if !NO_KEXTD
-	if (OSKext::iokitDaemonAvailable()) {
-		/* Add a busy count to keep the registry busy until the IOKit daemon has
-		 * completely finished launching. This is decremented when the IOKit daemon
-		 * 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 (((unsigned int) size) != size) {
-		return;
-	}
-	if ((chosen = IORegistryEntry::fromPath(kIODeviceTreePlane ":/chosen"))) {
-		chosen->setProperty(kIOProgressBackbufferKey, buffer, (unsigned int) size);
-		chosen->setProperty(kIOProgressColorThemeKey, theme, 32);
-
-		chosen->release();
-	}
-}
+
+    clock_initialize_calendar();
+}
+
+
+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
+
+    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");
+
+
+   /*****
+    * 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());
+        }
+    }
+
+    kmodIter->release();
+    fakeKmods->release();
+
+
+
+    root = IORegistryEntry::initialize();
+    assert( root );
+    IOService::initialize();
+    IOCatalogue::initialize();
+    IOUserClient::initialize();
+    IOMemoryDescriptor::initialize();
+
+    obj = OSString::withCString( iokit_version );
+    assert( obj );
+    if( obj ) {
+        root->setProperty( kIOKitBuildVersionKey, obj );
+	obj->release();
+    }
+    obj = IOKitDiagnostics::diagnostics();
+    if( obj ) {
+        root->setProperty( kIOKitDiagnosticsKey, obj );
+	obj->release();
+    }
+
+    rootNub = new IOPlatformExpertDevice;
+
+    if( rootNub && rootNub->initWithArgs( p1, p2, p3, p4)) {
+        rootNub->attach( 0 );
+
+       /* Enter into the catalogue the drivers
+        * provided by BootX.
+        */
+        gIOCatalogue->recordStartupExtensions();
+
+        rootNub->registerService();
+    }
+}
+
 }; /* extern "C" */