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--- xnu/xnu-1504.15.3/iokit/Kernel/IOStartIOKit.cpp
+++ xnu/xnu-517.7.21/iokit/Kernel/IOStartIOKit.cpp
@@ -1,34 +1,32 @@
/*
- * Copyright (c) 1998-2011 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>
#include <IOKit/IOCatalogue.h>
@@ -38,22 +36,17 @@
#include <IOKit/IOLib.h>
#include <IOKit/IOKitKeys.h>
#include <IOKit/IOKitDebug.h>
-#include <IOKit/pwr_mgt/IOPMinformeeList.h>
#include <IOKit/assert.h>
-
-#include "IOKitKernelInternal.h"
extern "C" {
extern void OSlibkernInit (void);
-
-void iokit_post_constructor_init(void) __attribute__((section("__TEXT, initcode")));
+extern void IOLibInit(void);
#include <kern/clock.h>
-#include <sys/time.h>
-void IOKitInitializeTime( void )
+void IOKitResetTime( void )
{
mach_timespec_t t;
@@ -61,7 +54,7 @@
t.tv_nsec = 0;
IOService::waitForService(
IOService::resourceMatching("IORTC"), &t );
-#ifdef ppc
+#ifndef i386
IOService::waitForService(
IOService::resourceMatching("IONVRAM"), &t );
#endif
@@ -69,22 +62,81 @@
clock_initialize_calendar();
}
-void IOKitResetTime( void )
+// From <osfmk/kern/debug.c>
+extern int debug_mode;
+
+void StartIOKit( void * p1, void * p2, void * p3, void * p4 )
{
- clock_sec_t secs;
- clock_usec_t microsecs;
-
- clock_initialize_calendar();
-
- clock_get_calendar_microtime(&secs, µsecs);
- gIOLastWakeTime.tv_sec = secs;
- gIOLastWakeTime.tv_usec = microsecs;
-}
-
-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
+
+ IOLog( iokit_version );
+
+ 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());
+ }
+ 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 );
@@ -93,10 +145,7 @@
IOUserClient::initialize();
IOMemoryDescriptor::initialize();
- // Initializes IOPMinformeeList class-wide shared lock
- IOPMinformeeList::getSharedRecursiveLock();
-
- obj = OSString::withCString( version );
+ obj = OSString::withCString( iokit_version );
assert( obj );
if( obj ) {
root->setProperty( kIOKitBuildVersionKey, obj );
@@ -108,87 +157,18 @@
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;
- uint32_t intThreshold;
-
- 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_argn( "iointthreshold", &intThreshold, sizeof (intThreshold) ))
- gIOInterruptThresholdNS = intThreshold * 1000;
-
- // 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();
-
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" */