public static void Setup()
{
var addr = Initial_FindIFreePage();
KernelMessage.Path("KernelMemoryMapManager", "Initial Page: {0:X}", addr);
// 80KB should be enough
// TODO: Check if really 80KB are available after this address.
InitialMap = new KernelMemoryMap(addr, 0x1000 * 20, BootInfoMemoryType.KernelMemoryMap);
Memory.InitialKernelProtect_MakeWritable_BySize(InitialMap.Start, InitialMap.Size);
Header = (KernelMemoryMapHeader *)InitialMap.Start;
var arrayOffset1 = 0x1000;
var arrayOffset2 = 0x3000;
Header->SystemUsable = new KernelMemoryMapArray((KernelMemoryMap *)(InitialMap.Start + arrayOffset1), 50);
Header->Used = new KernelMemoryMapArray((KernelMemoryMap *)(InitialMap.Start + arrayOffset2), 100);
for (uint i = 0; i < BootInfo.Header->MemoryMapLength; i++)
{
var map = BootInfo.Header->MemoryMapArray[i];
var kmap = new KernelMemoryMap(map.Start, map.Size, map.Type);
if (kmap.Type == BootInfoMemoryType.SystemUsable)
{
Header->SystemUsable.Add(kmap);
}
else
{
Header->Used.Add(kmap);
}
}
Header->Used.Add(InitialMap);
//Debug_FillAvailableMemory();
}
public static void Setup()
{
var addr = Initial_FindFreePage();
KernelMessage.Path("KernelMemoryMapManager", "Initial Page: {0:X}", addr);
PageTable.KernelTable.Map(addr, addr, flush: true);
// 80KB should be enough
// TODO: Check if really 80KB are available after this address.
InitialMap = new KernelMemoryMap(addr, 0x1000 * 20, BootInfoMemoryType.KernelMemoryMap, AddressSpaceKind.Both);
PageTable.KernelTable.Map(InitialMap.Start, InitialMap.Start, InitialMap.Size, flush: true);
PageTable.KernelTable.SetWritable(InitialMap.Start, InitialMap.Size);
Header = (KernelMemoryMapHeader *)InitialMap.Start;
var arrayOffset1 = 0x1000;
var arrayOffset2 = 0x2000;
var arrayOffset3 = 0x3000;
Header->SystemUsable = new KernelMemoryMapArray((KernelMemoryMap *)(InitialMap.Start + arrayOffset1), 50);
Header->Used = new KernelMemoryMapArray((KernelMemoryMap *)(InitialMap.Start + arrayOffset2), 100);
Header->KernelReserved = new KernelMemoryMapArray((KernelMemoryMap *)(InitialMap.Start + arrayOffset3), 100);
for (uint i = 0; i < BootInfo.Header->MemoryMapLength; i++)
{
var map = BootInfo.Header->MemoryMapArray[i];
var kmap = new KernelMemoryMap(map.Start, map.Size, map.Type, map.AddressSpaceKind);
if (kmap.Type == BootInfoMemoryType.SystemUsable)
{
Header->SystemUsable.Add(kmap);
}
else
{
if (kmap.Type == BootInfoMemoryType.KernelReserved)
{
Header->KernelReserved.Add(kmap);
}
else
{
Header->Used.Add(kmap);
}
}
}
Header->Used.Add(InitialMap);
KernelMessage.Path("KernelMemoryMapManager", "Filling Lists Done. SystemUsable: {0}, CustomReserved: {1}, Used: {2}", Header->SystemUsable.Count, Header->KernelReserved.Count, Header->Used.Count);
PrintMapArrays();
//Debug_FillAvailableMemory();
}
