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29 * Copyright (c) 1998,1999 Apple Computer, Inc. All rights reserved.
35 #include <libkern/c++/OSUnserialize.h>
36 #include <libkern/version.h>
37 #include <IOKit/IORegistryEntry.h>
38 #include <IOKit/IODeviceTreeSupport.h>
39 #include <IOKit/IOCatalogue.h>
40 #include <IOKit/IOUserClient.h>
41 #include <IOKit/IOMemoryDescriptor.h>
42 #include <IOKit/IOPlatformExpert.h>
43 #include <IOKit/IOLib.h>
44 #include <IOKit/IOKitKeys.h>
45 #include <IOKit/IOKitDebug.h>
47 #include <IOKit/assert.h>
49 #include "IOKitKernelInternal.h"
53 extern void OSlibkernInit (void);
55 #include <kern/clock.h>
57 void IOKitResetTime( void )
63 IOService::waitForService(
64 IOService::resourceMatching("IORTC"), &t
);
66 IOService::waitForService(
67 IOService::resourceMatching("IONVRAM"), &t
);
70 clock_initialize_calendar();
73 // From <osfmk/kern/debug.c>
74 extern int debug_mode
;
76 void StartIOKit( void * p1
, void * p2
, void * p3
, void * p4
)
78 IOPlatformExpertDevice
* rootNub
;
80 IORegistryEntry
* root
;
82 extern const char * gIOKernelKmods
;
83 OSString
* errorString
= NULL
; // must release
84 OSDictionary
* fakeKmods
; // must release
85 OSCollectionIterator
* kmodIter
; // must release
86 OSString
* kmodName
; // don't release
88 if( PE_parse_boot_arg( "io", &debugFlags
))
89 gIOKitDebug
= debugFlags
;
91 // Check for the log synchronous bit set in io
92 if (gIOKitDebug
& kIOLogSynchronous
)
96 // Have to start IOKit environment before we attempt to start
97 // the C++ runtime environment. At some stage we have to clean up
98 // the initialisation path so that OS C++ can initialise independantly
99 // of iokit basic service initialisation, or better we have IOLib stuff
100 // initialise as basic OS services.
106 * Declare the fake kmod_info structs for built-in components
107 * that must be tracked as independent units for dependencies.
109 fakeKmods
= OSDynamicCast(OSDictionary
,
110 OSUnserialize(gIOKernelKmods
, &errorString
));
114 panic("Kernel kmod list syntax error: %s\n",
115 errorString
->getCStringNoCopy());
116 errorString
->release();
118 panic("Error loading kernel kmod list.\n");
122 kmodIter
= OSCollectionIterator::withCollection(fakeKmods
);
124 panic("Can't declare in-kernel kmods.\n");
126 while ((kmodName
= OSDynamicCast(OSString
, kmodIter
->getNextObject()))) {
128 OSString
* kmodVersion
= OSDynamicCast(OSString
,
129 fakeKmods
->getObject(kmodName
));
131 panic("Can't declare in-kernel kmod; \"%s\" has "
132 "an invalid version.\n",
133 kmodName
->getCStringNoCopy());
136 // empty version strings get replaced with current kernel version
137 const char *vers
= (strlen(kmodVersion
->getCStringNoCopy())
138 ? kmodVersion
->getCStringNoCopy()
141 if (KERN_SUCCESS
!= kmod_create_fake(kmodName
->getCStringNoCopy(), vers
)) {
142 panic("Failure declaring in-kernel kmod \"%s\".\n",
143 kmodName
->getCStringNoCopy());
148 fakeKmods
->release();
152 root
= IORegistryEntry::initialize();
154 IOService::initialize();
155 IOCatalogue::initialize();
156 IOUserClient::initialize();
157 IOMemoryDescriptor::initialize();
159 obj
= OSString::withCString( version
);
162 root
->setProperty( kIOKitBuildVersionKey
, obj
);
165 obj
= IOKitDiagnostics::diagnostics();
167 root
->setProperty( kIOKitDiagnosticsKey
, obj
);
171 rootNub
= new IOPlatformExpertDevice
;
173 if( rootNub
&& rootNub
->initWithArgs( p1
, p2
, p3
, p4
)) {
174 rootNub
->attach( 0 );
176 /* Enter into the catalogue the drivers
179 gIOCatalogue
->recordStartupExtensions();
181 rootNub
->registerService();