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--- xnu/xnu-344/iokit/Kernel/IOStartIOKit.cpp
+++ xnu/xnu-1504.3.12/iokit/Kernel/IOStartIOKit.cpp
@@ -1,32 +1,40 @@
/*
- * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 1998-2008 Apple Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_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 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.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * 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.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
- * Copyright (c) 1998,1999 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 1998,1999 Apple 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>
@@ -36,150 +44,53 @@
#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);
-extern void IOLibInit(void);
+
+void iokit_post_constructor_init(void) __attribute__((section("__TEXT, initcode")));
#include <kern/clock.h>
+#include <sys/time.h>
-/*XXX power management hacks XXX*/
-#include <IOKit/IOReturn.h>
-#include <IOKit/IOMessage.h>
+void IOKitInitializeTime( void )
+{
+ mach_timespec_t t;
-extern void *registerSleepWakeInterest(
- void *callback,
- void *target,
- void *refCon);
-/*XXX power management hacks XXX*/
+ t.tv_sec = 30;
+ t.tv_nsec = 0;
+ IOService::waitForService(
+ IOService::resourceMatching("IORTC"), &t );
+#ifdef ppc
+ IOService::waitForService(
+ IOService::resourceMatching("IONVRAM"), &t );
+#endif
-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);
+ clock_initialize_calendar();
}
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
-
- 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);
- }
+ 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 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
-
- 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 );
@@ -188,7 +99,10 @@
IOUserClient::initialize();
IOMemoryDescriptor::initialize();
- obj = OSString::withCString( iokit_version );
+ // Initializes IOPMinformeeList class-wide shared lock
+ IOPMinformeeList::getSharedRecursiveLock();
+
+ obj = OSString::withCString( version );
assert( obj );
if( obj ) {
root->setProperty( kIOKitBuildVersionKey, obj );
@@ -200,18 +114,77 @@
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;
+
+ if( PE_parse_boot_argn( "io", &debugFlags, sizeof (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();
+
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;
+}
+
}; /* extern "C" */