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iokit/Kernel/IOStartIOKit.cpp xnu-2050.7.9 xnu-792
--- xnu/xnu-2050.7.9/iokit/Kernel/IOStartIOKit.cpp
+++ xnu/xnu-792/iokit/Kernel/IOStartIOKit.cpp
@@ -1,33 +1,32 @@
 /*
- * Copyright (c) 1998-2010 Apple Inc. All rights reserved.
+ * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ * @APPLE_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.
+ * 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.
  * 
- * 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
+ * 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_OSREFERENCE_LICENSE_HEADER_END@
+ * @APPLE_LICENSE_HEADER_END@
+ */
+/*
+ * Copyright (c) 1998,1999 Apple Computer, Inc.  All rights reserved. 
+ *
+ * HISTORY
+ *
  */
 
 #include <libkern/c++/OSUnserialize.h>
-#include <libkern/c++/OSKext.h>
 #include <libkern/version.h>
 #include <IOKit/IORegistryEntry.h>
 #include <IOKit/IODeviceTreeSupport.h>
@@ -38,10 +37,6 @@
 #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/assert.h>
 
@@ -51,12 +46,9 @@
 
 extern void OSlibkernInit (void);
 
-void iokit_post_constructor_init(void) __attribute__((section("__TEXT, initcode")));
+#include <kern/clock.h>
 
-#include <kern/clock.h>
-#include <sys/time.h>
-
-void IOKitInitializeTime( void )
+void IOKitResetTime( void )
 {
 	mach_timespec_t		t;
 
@@ -64,7 +56,7 @@
 	t.tv_nsec = 0;
 	IOService::waitForService(
 		IOService::resourceMatching("IORTC"), &t );
-#if defined(__i386__) || defined(__x86_64__)
+#ifndef i386
 	IOService::waitForService(
 		IOService::resourceMatching("IONVRAM"), &t );
 #endif
@@ -72,73 +64,24 @@
     clock_initialize_calendar();
 }
 
-void IOKitResetTime( void )
-{
-    clock_sec_t		secs;
-	clock_usec_t	microsecs;
-
-    clock_initialize_calendar();
-
-    clock_get_calendar_microtime(&secs, &microsecs);
-    gIOLastWakeTime.tv_sec  = secs;
-    gIOLastWakeTime.tv_usec = microsecs;
-
-    IOService::updateConsoleUsers(NULL, kIOMessageSystemHasPoweredOn);
-}
-
-void iokit_post_constructor_init(void)
-{
-    IORegistryEntry *		root;
-    OSObject *			obj;
-
-    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 <osfmk/kern/debug.c>
 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_argn( "io", &debugFlags, sizeof (debugFlags) ))
-		gIOKitDebug = debugFlags;
-	
-    if( PE_parse_boot_argn( "iotrace", &debugFlags, sizeof (debugFlags) ))
-		gIOKitTrace = debugFlags;
-	
-	// Compat for boot-args
-	gIOKitTrace |= (gIOKitDebug & kIOTraceCompatBootArgs);
-	
+    if( PE_parse_boot_arg( "io", &debugFlags ))
+	gIOKitDebug = debugFlags;
+
     // Check for the log synchronous bit set in io
     if (gIOKitDebug & kIOLogSynchronous)
         debug_mode = true;
@@ -153,45 +96,84 @@
     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();
+
+
+
+    root = IORegistryEntry::initialize();
+    assert( root );
+    IOService::initialize();
+    IOCatalogue::initialize();
+    IOUserClient::initialize();
+    IOMemoryDescriptor::initialize();
+
+    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();
+    }
+
     rootNub = new IOPlatformExpertDevice;
 
     if( rootNub && rootNub->initWithArgs( p1, p2, p3, p4)) {
         rootNub->attach( 0 );
 
-       /* If the bootstrap segment set up a function to record startup
-        * extensions, call it now.
+       /* Enter into the catalogue the drivers
+        * provided by BootX.
         */
-        if (record_startup_extensions_function) {
-            record_startup_extensions_function();
-        }
+        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" */