public static unsafe void Main()
{
try
{
ManagedMemory.InitializeGCMemory();
// Initialize static fields
StartUp.InitializeAssembly();
KMath.Init();
BootInfo.SetupStage1();
// Write protect all possible pages and disallow execution on all non-code pages.
Memory.InitialKernelProtect();
ApiContext.Current = new ApiHost();
Assert.Setup(AssertError);
// Setup some pseudo devices
DeviceManager.InitStage1();
//Setup Output and Debug devices
DeviceManager.InitStage2();
// Write first output
KernelMessage.WriteLine("<KERNEL:CONSOLE:BEGIN>");
PerformanceCounter.Setup(BootInfo.Header->KernelBootStartCycles);
KernelMessage.WriteLine("Starting Abanu Kernel...");
KernelMessage.WriteLine("KConfig.UseKernelMemoryProtection: {0}", KConfig.UseKernelMemoryProtection);
KernelMessage.WriteLine("KConfig.UsePAE: {0}", KConfig.UsePAE);
KernelMessage.WriteLine("Apply PageTableType: {0}", (uint)BootInfo.Header->PageTableType);
KernelMessage.WriteLine("GCInitialMemory: {0:X8}-{1:X8}", Address.GCInitialMemory, Address.GCInitialMemory + Address.GCInitialMemorySize - 1);
CodeTests.Run();
// Detect environment (Memory Maps, Video Mode, etc.)
BootInfo.SetupStage2();
KernelMemoryMapManager.Setup();
//KernelMemoryMapManager.Allocate(0x1000 * 1000, BootInfoMemoryType.PageDirectory);
// Read own ELF-Headers and Sections
KernelElf.Setup();
// Initialize the embedded code (actually only a little proof of concept code)
NativeCalls.Setup();
PhysicalPageManager.Setup();
NonThreadTests.TestPhysicalPageAllocation();
VirtualPageManager.Setup();
// Setup final Memory Allocator
Memory.Setup();
// Now Memory Sub System is working. At this point it's valid
// to allocate memory dynamically
// If we have a Framebuffer, lets try to initialize it.
DeviceManager.InitFrameBuffer();
// Setup Programmable Interrupt Table
PIC.Setup();
// Setup Interrupt Descriptor Table
// Important Note: IDT depends on GDT. Never setup IDT before GDT.
IDTManager.Setup();
InitializeUserMode();
SysCallManager.Setup();
KernelMessage.WriteLine("Initialize Runtime Metadata");
StartUp.InitializeRuntimeMetadata();
KernelMessage.WriteLine("Performing some Non-Thread Tests");
NonThreadTests.RunTests();
}
catch (Exception ex)
{
Panic.Error(ex.Message);
}
if (KConfig.SingleThread)
{
StartupStage2();
}
else
{
ProcessManager.Setup(StartupStage2);
}
}
