/// <summary>
/// Setup the physical page manager
/// </summary>
public void Setup()
{
uint physMem = BootInfo.Header->InstalledPhysicalMemory;
PageCount = physMem / PageSize;
kmap = KernelMemoryMapManager.Allocate(PageCount * (uint)sizeof(Page), BootInfoMemoryType.PageFrameAllocator);
PageArray = (Page *)kmap.Start;
lastAllocatedPage = PageArray;
Memory.InitialKernelProtect_MakeWritable_BySize(kmap.Start, kmap.Size);
MemoryOperation.Clear4(kmap.Start, kmap.Size);
for (uint i = 0; i < PageCount; i++)
{
PageArray[i].PhysicalAddress = i * PageSize;
if (i != 0)
{
PageArray[i - 1].Next = &PageArray[i];
}
}
SetupFreeMemory();
for (uint i = 0; i < PageCount; i++)
{
if (!PageArray[i].Used)
{
PageArray[i].Status = PageStatus.Free;
}
}
}
public static void InitializeGCMemory()
{
// Wipe GCMemory from Bootloader
Memory.InitialKernelProtect_MakeWritable_BySize(Address.GCInitialMemory, Address.GCInitialMemorySize);
MemoryOperation.Clear4(Address.GCInitialMemory, Address.GCInitialMemorySize);
}