public void SetTraceOptions(PageFrameAllocatorTraceOptions options)
{
for (var i = 0; i < Allocators.Length; i++)
{
Allocators[i].SetTraceOptions(options);
}
}
public void Setup(MemoryRegion region, AddressSpaceKind addrKind)
{
TraceOptions = new PageFrameAllocatorTraceOptions();
_AddressSpaceKind = addrKind;
_Region = region;
FistPageNum = region.Start / PageSize;
_TotalPages = region.Size / PageSize;
kmap = AllocRawMemory(_TotalPages * (uint)sizeof(Page));
PageArray = (Page *)kmap.Start;
var firstSelfPageNum = KMath.DivFloor(kmap.Start, 4096);
var selfPages = KMath.DivFloor(kmap.Size, 4096);
KernelMessage.WriteLine("Page Frame Array allocated {0} pages, beginning with page {1} at {2:X8}", selfPages, firstSelfPageNum, (uint)PageArray);
PageTable.KernelTable.SetWritable(kmap.Start, kmap.Size);
kmap.Clear();
var addr = FistPageNum * 4096;
for (uint i = 0; i < _TotalPages; i++)
{
//KernelMessage.WriteLine(i);
PageArray[i].Address = addr;
//if (i != 0)
// PageArray[i - 1].Next = &PageArray[i];
addr += 4096;
}
KernelMessage.WriteLine("Setup free memory");
SetupFreeMemory();
KernelMessage.WriteLine("Build linked lists");
BuildLinkedLists();
KernelMessage.WriteLine("Build linked lists done");
_FreePages = 0;
for (uint i = 0; i < _TotalPages; i++)
{
if (PageArray[i].Status == PageStatus.Free)
{
_FreePages++;
}
}
//Assert.True(list_head.list_count(FreeList) == _FreePages, "list_head.list_count(FreeList) == _FreePages");
var debugCheckCount = list_head.list_count(FreeList);
if (debugCheckCount != _FreePages)
{
KernelMessage.WriteLine("debugCheckCount {0} != {1}", debugCheckCount, _FreePages);
Debug.Break();
}
KernelMessage.Path(DebugName, "Pages Free: {0}", FreePages);
}
public void SetTraceOptions(PageFrameAllocatorTraceOptions options)
{
}
public static void SetTraceOptions(PageFrameAllocatorTraceOptions options)
{
NormalAllocator.SetTraceOptions(options);
IdentityAllocator.SetTraceOptions(options);
}
public static void SetTraceOptions(PageFrameAllocatorTraceOptions options)
{
Default.SetTraceOptions(options);
}
