private static unsafe void FreeAddrGlobal(Addr addr)
{
var physAddr = PageTable.KernelTable.GetPhysicalAddressFromVirtual(addr);
if (AddProtectedRegions)
{
addr -= 4096;
}
GlobalAllocator.FreeAddr(addr);
PhysicalPageManager.FreeAddr(physAddr);
PageTable.KernelTable.UnMap(addr);
}
private static unsafe void SelfTest(IPageFrameAllocator allocator)
{
if (SelfTestDump)
{
allocator.DumpPages();
}
KernelMessage.WriteLine("Begin SelfTest {0}", allocator.DebugName);
var ptrPages = (allocator.TotalPages * 4) / 4096;
var ptrListAddr = AllocatePages(ptrPages); // pointers for 4GB of pages
var ptrList = (Addr *)ptrListAddr;
var checkPageCount = allocator.FreePages;
checkPageCount -= allocator.CriticalLowPages;
uint checkPagesEach = 4;
checkPageCount /= checkPagesEach;
//checkPageCount = 32;
var mapPhysAddr = PhysicalPageManager.AllocatePageAddr(checkPagesEach);
for (var i = 0; i < checkPageCount; i++)
{
if (SelfTestDump)
{
KernelMessage.Write(".");
}
var testAddr = allocator.AllocatePagesAddr(checkPagesEach);
ptrList[i] = testAddr;
//KernelMessage.WriteLine("{0:X8}-->{1:X8}", testAddr, mapPhysAddr);
PageTable.KernelTable.Map(testAddr, mapPhysAddr, 4096 * checkPagesEach, true, true);
var mapPtr = (uint *)testAddr;
for (var pos = 0; pos < 1024 * checkPagesEach; pos++)
{
*mapPtr = 0xEBFEEBFE;
mapPtr += 1;
}
PageTable.KernelTable.UnMap(testAddr, 4096 * checkPagesEach, true);
//Default.Free(testPage);
}
PhysicalPageManager.FreeAddr(mapPhysAddr);
if (SelfTestDump)
{
allocator.DumpPages();
}
KernelMessage.WriteLine("Free Pages now");
for (var i = 0; i < checkPageCount; i++)
{
if (SelfTestDump)
{
KernelMessage.Write(":");
}
var testAddr = ptrList[i];
//KernelMessage.WriteLine("Free: {0:X8}", testAddr);
allocator.FreeAddr(testAddr);
}
KernelMessage.WriteLine("Free ptrList");
FreeAddr(ptrListAddr);
KernelMessage.WriteLine("SelfTest Done");
if (SelfTestDump)
{
allocator.DumpPages();
KernelMessage.WriteLine("Final Dump");
}
}
