xnu-3789.70.16.tar.gz

[apple/xnu.git] / iokit / Kernel / IOStartIOKit.cpp

diff --git a/iokit/Kernel/IOStartIOKit.cpp b/iokit/Kernel/IOStartIOKit.cpp
index 25c13cb0ee32afa0bebe495a55ec27b3599c9f31..f9d9fc01834e52d643a45608f7b30b85feb9833c 100644 (file)
--- a/iokit/Kernel/IOStartIOKit.cpp
+++ b/iokit/Kernel/IOStartIOKit.cpp
@@ -1,5 +1,5 @@
 /*
 /*

- * Copyright (c) 1998-2006 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 1998-2010 Apple Inc. All rights reserved.

  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 


@@ -25,14 +25,9 @@
  * 
  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
  * 
  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */

-/*
- * Copyright (c) 1998,1999 Apple Computer, Inc.  All rights reserved. 
- *
- * HISTORY
- *
- */

 
 #include <libkern/c++/OSUnserialize.h>
 
 #include <libkern/c++/OSUnserialize.h>

+#include <libkern/c++/OSKext.h>

 #include <libkern/version.h>
 #include <IOKit/IORegistryEntry.h>
 #include <IOKit/IODeviceTreeSupport.h>
 #include <libkern/version.h>
 #include <IOKit/IORegistryEntry.h>
 #include <IOKit/IODeviceTreeSupport.h>


@@ -43,16 +38,28 @@
 #include <IOKit/IOLib.h>
 #include <IOKit/IOKitKeys.h>
 #include <IOKit/IOKitDebug.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/pwr_mgt/IOPMinformeeList.h>

-
+#include <IOKit/IOStatisticsPrivate.h>
+#include <IOKit/IOKitKeysPrivate.h>
+#include <IOKit/IOInterruptAccountingPrivate.h>

 #include <IOKit/assert.h>
 #include <IOKit/assert.h>

+#include <sys/conf.h>

 
 #include "IOKitKernelInternal.h"
 
 
 #include "IOKitKernelInternal.h"
 

+const OSSymbol * gIOProgressBackbufferKey;
+OSSet *          gIORemoveOnReadProperties;
+

 extern "C" {
 
 extern "C" {
 

+void StartIOKit( void * p1, void * p2, void * p3, void * p4 );
+void IORegistrySetOSBuildVersion(char * build_version);
+void IORecordProgressBackbuffer(void * buffer, size_t size, uint32_t theme);
+

 extern void OSlibkernInit (void);
 extern void OSlibkernInit (void);

-extern void ml_hpet_cfg(uint32_t, uint32_t);
+
+void iokit_post_constructor_init(void);

 
 #include <kern/clock.h>
 #include <sys/time.h>
 
 #include <kern/clock.h>
 #include <sys/time.h>


@@ -65,7 +72,7 @@ void IOKitInitializeTime( void )
        t.tv_nsec = 0;
        IOService::waitForService(
                IOService::resourceMatching("IORTC"), &t );
        t.tv_nsec = 0;
        IOService::waitForService(
                IOService::resourceMatching("IORTC"), &t );

-#ifdef ppc
+#if defined(__i386__) || defined(__x86_64__)

        IOService::waitForService(
                IOService::resourceMatching("IONVRAM"), &t );
 #endif
        IOService::waitForService(
                IOService::resourceMatching("IONVRAM"), &t );
 #endif


@@ -73,40 +80,69 @@ void IOKitInitializeTime( void )
     clock_initialize_calendar();
 }
 
     clock_initialize_calendar();
 }
 

-void IOKitResetTime( void )
+void iokit_post_constructor_init(void)

 {
 {

-    uint32_t secs, microsecs;
+    IORegistryEntry *          root;
+    OSObject *                 obj;

 
 

-    clock_initialize_calendar();
+    IOCPUInitialize();
+    root = IORegistryEntry::initialize();
+    assert( root );
+    IOService::initialize();
+    IOCatalogue::initialize();
+    IOStatistics::initialize();
+    OSKext::initialize();
+    IOUserClient::initialize();
+    IOMemoryDescriptor::initialize();
+    IORootParent::initialize();

 
 

-    clock_get_calendar_microtime(&secs, &microsecs);
-    gIOLastWakeTime.tv_sec  = secs;
-    gIOLastWakeTime.tv_usec = microsecs;
-}
+    // 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;
 
 
 // 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;
 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_arg( "io", &debugFlags ))
+    if( PE_parse_boot_argn( "io", &debugFlags, sizeof (debugFlags) ))

        gIOKitDebug = debugFlags;
        gIOKitDebug = debugFlags;

-
+#if DEVELOPMENT || DEBUG
+    else gIOKitDebug |= kIOWaitQuietPanics;
+#endif /* DEVELOPMENT || DEBUG */
+       
+    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;
 
     // Check for the log synchronous bit set in io
     if (gIOKitDebug & kIOLogSynchronous)
         debug_mode = true;
 

+    if( PE_parse_boot_argn( "pmtimeout", &debugFlags, sizeof (debugFlags) ))
+        gCanSleepTimeout = debugFlags;

     //
     // Have to start IOKit environment before we attempt to start
     // the C++ runtime environment.  At some stage we have to clean up
     //
     // Have to start IOKit environment before we attempt to start
     // the C++ runtime environment.  At some stage we have to clean up


@@ -116,85 +152,24 @@ void StartIOKit( void * p1, void * p2, void * p3, void * p4 )
     //
     IOLibInit(); 
     OSlibkernInit();
     //
     IOLibInit(); 
     OSlibkernInit();

+    devsw_init();

 
 

-   /*****
-    * 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();
-
+    gIOProgressBackbufferKey  = OSSymbol::withCStringNoCopy(kIOProgressBackbufferKey);
+    gIORemoveOnReadProperties = OSSet::withObjects((const OSObject **) &gIOProgressBackbufferKey, 1);

 
 

-
-    root = IORegistryEntry::initialize();
-    assert( root );
-    IOService::initialize();
-    IOCatalogue::initialize();
-    IOUserClient::initialize();
-    IOMemoryDescriptor::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();
-    }
+    interruptAccountingInit();

 
     rootNub = new IOPlatformExpertDevice;
 
     if( rootNub && rootNub->initWithArgs( p1, p2, p3, p4)) {
         rootNub->attach( 0 );
 
 
     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();
 
 
         rootNub->registerService();
 


@@ -225,4 +200,17 @@ IORegistrySetOSBuildVersion(char * build_version)
     return;
 }
 
     return;
 }
 

+void
+IORecordProgressBackbuffer(void * buffer, size_t size, uint32_t theme)
+{
+    IORegistryEntry * chosen;
+    if ((chosen = IORegistryEntry::fromPath(kIODeviceTreePlane ":/chosen")))
+    {
+        chosen->setProperty(kIOProgressBackbufferKey, buffer, size);
+       chosen->setProperty(kIOProgressColorThemeKey, theme, 32);
+
+        chosen->release();
+    }
+}
+

 }; /* extern "C" */
 }; /* extern "C" */