internal static void EnsureAllocationAllowed()
{
// Verify that we're not in an interrupt or non-preemptible region where allocations are prohibited
Microsoft.Singularity.Processor currentProcessor = Microsoft.Singularity.Processor.CurrentProcessor;
if (currentProcessor != null) // The Processor object itself may still need to be allocated
{
if (currentProcessor.InInterruptContext)
{
Tracing.Log(Tracing.Fatal, "Attempt to allocate memory from interrupt context!");
VTable.DebugPrint("Attempt to allocate memory from interrupt context!\n");
VTable.DebugBreak();
}
#if false // Currently too many allocations with preemption disabled to debug right now
if (currentProcessor.PreemptionDisabled)
{
VTable.DebugPrint("Attempt to allocate memory with preemption disabled!\n");
VTable.DebugBreak();
}
#endif
}
VTable.Deny(Thread.CurrentThread != null &&
Transitions.fInitializedRuntime &&
Transitions.UnderGCControl(Thread.GetCurrentThreadIndex()));
}
internal extern void UpdateAfterGC(Processor processor);
// This function is called by GCs that move object to update all
// object references contained in non-objects (i.e. unsafe structs).
internal static void UpdateAfterGC(Thread currentThread)
{
Processor.UpdateAfterGC(currentThread);
}
private static void InitServices()
{
InitGCSupport();
args = GetCommandLine();
VTable.ParseArgs(args);
ARM_PROGRESS("Kernel!011");
InitSchedulerTypes();
ARM_PROGRESS("Kernel!018");
Controller.InitializeSystem();
Tracing.InitializeSystem();
ARM_PROGRESS("Kernel!019");
// Read the profiler settings. The values are assumed in kbytes
// convert them to bytes for direct consumption
ProfilerBufferSize = (uint)GetIntegerArgument("profiler", 0);
ProfilerBufferSize *= 1024;
ARM_PROGRESS("Kernel!020");
SpinLock.StaticInitialize();
int cpusLength;
int cpuCount = GetCpuCount(out cpusLength);
Processor.InitializeProcessorTable(cpusLength);
ARM_PROGRESS("Kernel!021");
Tracing.Log(Tracing.Audit, "processor");
Processor processor = Processor.EnableProcessor(0);
PEImage.Initialize();
ARM_PROGRESS("Kernel!034");
// Initialize the sample profiling for the processor
// after the initial breakpoint in kd in the call
// PEImage.Initialize(). This will allow enabling profiling
// from kd, by overwriting the ProfilerBufferSize value
processor.EnableProfiling();
ARM_PROGRESS("Kernel!035");
FlatPages.InitializeMemoryMonitoring();
// initialize endpoints
InitType(typeof(Microsoft.Singularity.Channels.EndpointCore));
// TODO Bug 59: Currently broken, need to review paging build.
//#if PAGING
// Microsoft.Singularity.Channels.EndpointTrusted.StaticInitialize();
//#endif
ARM_PROGRESS("Kernel!036");
// get the system manifest
IoMemory systemManifest = GetSystemManifest();
ARM_PROGRESS("Kernel!037");
XmlReader xmlReader = new XmlReader(systemManifest);
XmlNode xmlData = xmlReader.Parse();
XmlNode manifestRoot = xmlData.GetChild("system");
XmlNode initConfig = manifestRoot.GetChild("initConfig");
ARM_PROGRESS("Kernel!038");
PerfCounters.Initialize();
// need to have processed the manifest before we can call Process initialize
ARM_PROGRESS("Kernel!039");
PrincipalImpl.Initialize(initConfig);
ARM_PROGRESS("Kernel!040");
Process.Initialize(manifestRoot.GetChild("processConfig"));
InitIO(processor, initConfig, manifestRoot.GetChild("drivers"));
InitBootTime();
ARM_PROGRESS("Kernel!045");
// From here on, we want lazy type initialization to worry about
// competing threads.
VTable.InitializeForMultipleThread();
ARM_PROGRESS("Kernel!046");
Console.WriteLine("Running C# Kernel of {0}", GetLinkDate());
Console.WriteLine();
// TODO: remove this
Console.WriteLine("Current time: {0}", SystemClock.GetUtcTime().ToString("r"));
ARM_PROGRESS("Kernel!047");
InitScheduling();
DirectoryService.StartNotificationThread();
Console.WriteLine("Initializing Shared Heap Walker");
ProtectionDomain.InitializeSharedHeapWalker();
ARM_PROGRESS("Kernel!050");
Console.WriteLine("Initializing Service Thread");
ServiceThread.Initialize();
ARM_PROGRESS("Kernel!051");
GC.EnableHeap();
GCProfilerLogger.StartProfiling();
ARM_PROGRESS("Kernel!052");
Tracing.Log(Tracing.Audit, "Waypoints init");
Waypoints = new long[2048];
WaypointSeq = new int[2048];
WaypointThd = new int[2048];
Tracing.Log(Tracing.Audit, "Interrupts ON.");
Processor.RestoreInterrupts(true);
ARM_PROGRESS("Kernel!053");
#if ISA_ARM && TEST_GC
for (int i = 0; i < 1000; i++)
{
DebugStub.WriteLine("Iteration {0}", __arglist(i));
ArrayList a = new ArrayList();
for (int j = 0; j < 128; j++)
{
int size = 1024 * 1024;
a.Add(new byte [size]);
}
}
#endif // ISA_ARM
ARM_PROGRESS("Kernel!054");
Tracing.Log(Tracing.Audit, "Binder");
Binder.Initialize(manifestRoot.GetChild("namingConventions"));
#if ISA_ARM
DebugStub.WriteLine("Exporting local namespace to BSP\n");
DirectoryService.ExportArmNamespace();
DebugStub.WriteLine("Export complete...redirecting binder\n");
Binder.RedirectRootRef();
DebugStub.WriteLine("Binder redirect complete\n");
#endif
#if false
Tracing.Log(Tracing.Audit, "Starting Security Service channels");
PrincipalImpl.Export();
ARM_PROGRESS("Kernel!055");
#endif
Tracing.Log(Tracing.Audit, "Creating Root Directory.");
//This can be moved below
IoSystem.InitializeDirectoryService();
ARM_PROGRESS("Kernel!055");
#if false
// Start User space namespace manager
Console.WriteLine("Starting Directory Service SIP");
DirectoryService.StartUserSpaceDirectoryService();
#endif
ARM_PROGRESS("Kernel!055.5");
#if !ISA_ARM
Tracing.Log(Tracing.Audit, "Starting Security Service channels");
PrincipalImpl.Export();
#endif
ARM_PROGRESS("Kernel!056");
Console.WriteLine("Initializing system channels");
// starting channels services
DebugStub.Print("Initializing Channel Services\n");
ChannelDeliveryImplService.Initialize();
ARM_PROGRESS("Kernel!057");
ConsoleOutput.Initialize();
ARM_PROGRESS("Kernel!058");
// Initialize MP after Binder and ConsoleOutput
// are initialized so there are no
// initialization races if the additional
// threads try to use them.
Tracing.Log(Tracing.Audit, "Starting additional processors");
// For ABI to ARM support
MpExecution.Initialize();
ARM_PROGRESS("Kernel!059");
mpEndEvent = new ManualResetEvent(false);
Tracing.Log(Tracing.Audit, "Initializing Volume Manager.");
#if !ISA_ARM
IoSystem.InitializeVolumeManager();
#endif // ISA_ARM
ARM_PROGRESS("Kernel!060");
InitDrivers();
if (cpuCount > 1)
{
unsafe {
Console.WriteLine("Enabling {0} cpus out of {1} real cpus\n", cpuCount, Platform.ThePlatform.CpuRealCount);
}
Processor.EnableMoreProcessors(cpuCount);
ARM_PROGRESS("Kernel!064");
}
Tracing.Log(Tracing.Audit, "Initializing Service Manager.");
IoSystem.InitializeServiceManager(manifestRoot.GetChild("serviceConfig"));
ARM_PROGRESS("Kernel!065");
InitDiagnostics();
#if !ISA_ARM
// At this point consider kernel finshed booting
hasBooted = true;
#endif // ISA_ARM
Processor.StartSampling();
ARM_PROGRESS("Kernel!069");
Microsoft.Singularity.KernelDebugger.KdFilesNamespace.StartNamespaceThread();
ARM_PROGRESS("Kernel!070");
}
