xnu-6153.141.1.tar.gz

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

diff --git a/iokit/Kernel/IOStartIOKit.cpp b/iokit/Kernel/IOStartIOKit.cpp
index 787a69bf26679ddd080c2bf68d45b97da7fb7e14..e64a84a45f81567be72d8d504485db5310033bea 100644 (file)
--- a/iokit/Kernel/IOStartIOKit.cpp
+++ b/iokit/Kernel/IOStartIOKit.cpp
@@ -2,7 +2,7 @@
  * Copyright (c) 1998-2010 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 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
  * 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.
  * 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.
  * 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,
  * 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,


@@ -22,7 +22,7 @@
  * 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, 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@
  */
 
  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 


@@ -43,8 +43,8 @@
 #include <IOKit/IOStatisticsPrivate.h>
 #include <IOKit/IOKitKeysPrivate.h>
 #include <IOKit/IOInterruptAccountingPrivate.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"
 


@@ -52,168 +52,174 @@ const OSSymbol * gIOProgressBackbufferKey;
 OSSet *          gIORemoveOnReadProperties;
 
 extern "C" {
 OSSet *          gIORemoveOnReadProperties;
 
 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);

 
 void iokit_post_constructor_init(void);
 
 #include <kern/clock.h>
 #include <sys/time.h>
 
 
 void iokit_post_constructor_init(void);
 
 #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;
 
        t.tv_sec = 30;
        t.tv_nsec = 0;

+
+// RTC is not present on this target
+#ifndef BCM2837

        IOService::waitForService(
                IOService::resourceMatching("IORTC"), &t );
        IOService::waitForService(
                IOService::resourceMatching("IORTC"), &t );

+#endif

 #if defined(__i386__) || defined(__x86_64__)
        IOService::waitForService(
                IOService::resourceMatching("IONVRAM"), &t );
 #endif
 
 #if defined(__i386__) || defined(__x86_64__)
        IOService::waitForService(
                IOService::resourceMatching("IONVRAM"), &t );
 #endif
 

-    clock_initialize_calendar();
+       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)
+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();
-    }
+       IORegistryEntry *           root;
+       OSObject *                  obj;
+
+       IOCPUInitialize();
+       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.
  */
 /*****
  * Pointer into bootstrap KLD segment for functions never used past startup.
  */

-void (*record_startup_extensions_function)(void) = 0;
+void (*record_startup_extensions_function)(void) = NULL;

 
 

-void StartIOKit( void * p1, void * p2, void * p3, void * p4 )
+void
+StartIOKit( void * p1, void * p2, void * p3, void * p4 )

 {
 {

-    IOPlatformExpertDevice *   rootNub;
-    int                                debugFlags;
+       IOPlatformExpertDevice *    rootNub;
+       int                         debugFlags;

 
 

-    if( PE_parse_boot_argn( "io", &debugFlags, sizeof (debugFlags) ))
+       if (PE_parse_boot_argn( "io", &debugFlags, sizeof(debugFlags))) {

                gIOKitDebug = debugFlags;
                gIOKitDebug = debugFlags;

-       
-    if( PE_parse_boot_argn( "iotrace", &debugFlags, sizeof (debugFlags) ))
+       }
+#if DEVELOPMENT || DEBUG
+       else {
+               gIOKitDebug |= kIOWaitQuietPanics;
+       }
+#endif /* DEVELOPMENT || DEBUG */
+
+       if (PE_parse_boot_argn( "iotrace", &debugFlags, sizeof(debugFlags))) {

                gIOKitTrace = debugFlags;
                gIOKitTrace = debugFlags;

-       
+       }
+

        // Compat for boot-args
        gIOKitTrace |= (gIOKitDebug & kIOTraceCompatBootArgs);
        // 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();
+       if (PE_parse_boot_argn( "pmtimeout", &debugFlags, sizeof(debugFlags))) {
+               gCanSleepTimeout = debugFlags;
+       }

 
 

-    gIOProgressBackbufferKey  = OSSymbol::withCStringNoCopy(kIOProgressBackbufferKey);
-    gIORemoveOnReadProperties = OSSet::withObjects((const OSObject **) &gIOProgressBackbufferKey, 1);
+       if (PE_parse_boot_argn( "dk", &debugFlags, sizeof(debugFlags))) {
+               gIODKDebug = debugFlags;
+       }

 
 

-    interruptAccountingInit();

 
 

-    rootNub = new IOPlatformExpertDevice;
+       //
+       // 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();
+       devsw_init();

 
 

-    if( rootNub && rootNub->initWithArgs( p1, p2, p3, p4)) {
-        rootNub->attach( 0 );
+       gIOProgressBackbufferKey  = OSSymbol::withCStringNoCopy(kIOProgressBackbufferKey);
+       gIORemoveOnReadProperties = OSSet::withObjects((const OSObject **) &gIOProgressBackbufferKey, 1);

 
 

-       /* If the bootstrap segment set up a function to record startup
-        * extensions, call it now.
-        */
-        if (record_startup_extensions_function) {
-            record_startup_extensions_function();
-        }
+       interruptAccountingInit();

 
 

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

 
 #if !NO_KEXTD
 
 #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);
+               /* 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
 #endif

-    }
+       }

 }
 
 void
 IORegistrySetOSBuildVersion(char * build_version)
 {
 }
 
 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)
 {
 }
 
 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();
-    }
-}
+       IORegistryEntry * chosen;
+       if ((chosen = IORegistryEntry::fromPath(kIODeviceTreePlane ":/chosen"))) {
+               chosen->setProperty(kIOProgressBackbufferKey, buffer, size);
+               chosen->setProperty(kIOProgressColorThemeKey, theme, 32);

 
 

+               chosen->release();
+       }
+}

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