/*
* 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
* 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.
*
* 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, 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>
#include <IOKit/IOCatalogue.h>
#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>
#include <IOKit/pwr_mgt/RootDomain.h>
#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" {
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);
void iokit_post_constructor_init(void);
SECURITY_READ_ONLY_LATE(static IOPlatformExpertDevice*) gRootNub;
#include <kern/clock.h>
#include <sys/time.h>
void
IOKitInitializeTime( void )
{
mach_timespec_t t;
t.tv_sec = 30;
t.tv_nsec = 0;
IOService::waitForService(
IOService::resourceMatching("IORTC"), &t );
#if defined(__i386__) || defined(__x86_64__)
IOService::waitForService(
IOService::resourceMatching("IONVRAM"), &t );
#endif
clock_initialize_calendar();
}
void
iokit_post_constructor_init(void)
{
IORegistryEntry * root;
OSObject * obj;
IOCPUInitialize();
IOPlatformActionsInitialize();
root = IORegistryEntry::initialize();
assert( root );
IOService::initialize();
IOCatalogue::initialize();
IOStatistics::initialize();
OSKext::initialize();
IOUserClient::initialize();
IOMemoryDescriptor::initialize();
IORootParent::initialize();
IOReporter::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();
}
}
/*****
* Pointer into bootstrap KLD segment for functions never used past startup.
*/
void (*record_startup_extensions_function)(void) = NULL;
void
InitIOKit(void *dtTop)
{
// Compat for boot-args
gIOKitTrace |= (gIOKitDebug & kIOTraceCompatBootArgs);
//
// 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();
gIOProgressBackbufferKey = OSSymbol::withCStringNoCopy(kIOProgressBackbufferKey);
gIORemoveOnReadProperties = OSSet::withObjects((const OSObject **) &gIOProgressBackbufferKey, 1);
interruptAccountingInit();
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();
}
}
void
ConfigureIOKit(void)
{
assert(gRootNub != NULL);
gRootNub->configureDefaults();
}
void
StartIOKitMatching(void)
{
SOCD_TRACE_XNU(START_IOKIT);
assert(gRootNub != NULL);
bool ok = gRootNub->startIOServiceMatching();
if (__improbable(!ok)) {
panic("Failed to start IOService matching");
}
#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);
}
#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;
}
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" */