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using System;
namespace Ryujinx.Memory
{
public interface IVirtualMemoryManager
{
void Map(ulong va, ulong pa, ulong size);
void Unmap(ulong va, ulong size);
T Read<T>(ulong va) where T : unmanaged;
void Read(ulong va, Span<byte> data);
void Write<T>(ulong va, T value) where T : unmanaged;
void Write(ulong va, ReadOnlySpan<byte> data);
void Fill(ulong va, ulong size, byte value)
{
const int MaxChunkSize = 1 << 24;
for (ulong subOffset = 0; subOffset < size; subOffset += MaxChunkSize)
{
int copySize = (int)Math.Min(MaxChunkSize, size - subOffset);
GetWritableRegion(va + subOffset, copySize).Memory.Span.Fill(0);
}
}
ReadOnlySpan<byte> GetSpan(ulong va, int size, bool tracked = false);
WritableRegion GetWritableRegion(ulong va, int size);
ref T GetRef<T>(ulong va) where T : unmanaged;
(ulong address, ulong size)[] GetPhysicalRegions(ulong va, ulong size);
bool IsMapped(ulong va);
bool IsRangeMapped(ulong va, ulong size);
ulong GetPhysicalAddress(ulong va);
void SignalMemoryTracking(ulong va, ulong size, bool write);
void TrackingReprotect(ulong va, ulong size, MemoryPermission protection);
}
}
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