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--- xnu/xnu-12377.101.15/iokit/Kernel/IOStartIOKit.cpp
+++ xnu/xnu-1699.22.73/iokit/Kernel/IOStartIOKit.cpp
@@ -2,7 +2,7 @@
* Copyright (c) 1998-2010 Apple 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
@@ -11,10 +11,10 @@
* 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
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
@@ -22,13 +22,12 @@
* 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_OSREFERENCE_LICENSE_HEADER_END@
*/
#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>
@@ -36,7 +35,6 @@
#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>
@@ -44,39 +42,26 @@
#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" {
-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);
-extern void OSlibkernInit(void);
-
-void iokit_post_constructor_init(void);
-
-SECURITY_READ_ONLY_LATE(static IOPlatformExpertDevice*) gRootNub;
+void iokit_post_constructor_init(void) __attribute__((section("__TEXT, initcode")));
#include <kern/clock.h>
#include <sys/time.h>
-void
-IOKitInitializeTime( void )
+void IOKitInitializeTime( void )
{
- mach_timespec_t t;
+ mach_timespec_t t;
t.tv_sec = 30;
t.tv_nsec = 0;
-
IOService::waitForService(
IOService::resourceMatching("IORTC"), &t );
#if defined(__i386__) || defined(__x86_64__)
@@ -84,147 +69,129 @@
IOService::resourceMatching("IONVRAM"), &t );
#endif
- clock_initialize_calendar();
+ clock_initialize_calendar();
}
-void
-iokit_post_constructor_init(void)
+void IOKitResetTime( void )
{
- IORegistryEntry * root;
- OSObject * obj;
+ clock_sec_t secs;
+ clock_usec_t microsecs;
- IOCPUInitialize();
- IOPlatformActionsInitialize();
- root = IORegistryEntry::initialize();
- assert( root );
- IOService::initialize();
- IOCatalogue::initialize();
- IOStatistics::initialize();
- OSKext::initialize();
- IOUserClient::initialize();
- IOMemoryDescriptor::initialize();
- IORootParent::initialize();
- IOReporter::initialize();
+ clock_initialize_calendar();
- // Initializes IOPMinformeeList class-wide shared lock
- IOPMinformeeList::getSharedRecursiveLock();
+ clock_get_calendar_microtime(&secs, µsecs);
+ gIOLastWakeTime.tv_sec = secs;
+ gIOLastWakeTime.tv_usec = microsecs;
- 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();
- }
+ 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) = NULL;
+void (*record_startup_extensions_function)(void) = 0;
-void
-InitIOKit(void *dtTop)
+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( PE_parse_boot_argn( "iotrace", &debugFlags, sizeof (debugFlags) ))
+ gIOKitTrace = debugFlags;
+
// Compat for boot-args
gIOKitTrace |= (gIOKitDebug & kIOTraceCompatBootArgs);
+
+ // 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();
- IOMachPortInitialize();
+ //
+ // 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();
- gIOProgressBackbufferKey = OSSymbol::withCStringNoCopy(kIOProgressBackbufferKey);
- gIORemoveOnReadProperties = OSSet::withObjects((const OSObject **) &gIOProgressBackbufferKey, 1);
+ rootNub = new IOPlatformExpertDevice;
- interruptAccountingInit();
+ if( rootNub && rootNub->initWithArgs( p1, p2, p3, p4)) {
+ rootNub->attach( 0 );
- 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();
+ }
- /* 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");
- }
+ rootNub->registerService();
#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);
- }
+ /* 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();
+ IORegistryEntry * root = IORegistryEntry::getRegistryRoot();
- if (root) {
- if (build_version) {
- root->setProperty(kOSBuildVersionKey, build_version);
- } else {
- root->removeProperty(kOSBuildVersionKey);
- }
- }
+ if (root) {
+ if (build_version) {
+ root->setProperty(kOSBuildVersionKey, build_version);
+ } else {
+ root->removeProperty(kOSBuildVersionKey);
+ }
+ }
- return;
+ 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();
- }
-}
}; /* extern "C" */