Better process implementation (#491)

* Initial implementation of KProcess

* Some improvements to the memory manager, implement back guest stack trace printing

* Better GetInfo implementation, improve checking in some places with information from process capabilities

* Allow the cpu to read/write from the correct memory locations for accesses crossing a page boundary

* Change long -> ulong for address/size on memory related methods to avoid unnecessary casts

* Attempt at implementing ldr:ro with new KProcess

* Allow BSS with size 0 on ldr:ro

* Add checking for memory block slab heap usage, return errors if full, exit gracefully

* Use KMemoryBlockSize const from KMemoryManager

* Allow all methods to read from non-contiguous locations

* Fix for TransactParcelAuto

* Address PR feedback, additionally fix some small issues related to the KIP loader and implement SVCs GetProcessId, GetProcessList, GetSystemInfo, CreatePort and ManageNamedPort

* Fix wrong check for source pages count from page list on MapPhysicalMemory

* Fix some issues with UnloadNro on ldr:ro

2 files changed, 0 insertions, 280 deletions

diff --git a/Ryujinx.HLE/Memory/ArenaAllocator.cs b/Ryujinx.HLE/Memory/ArenaAllocator.cs
deleted file mode 100644
index 9bcb7873..00000000
--- a/Ryujinx.HLE/Memory/ArenaAllocator.cs
+++ /dev/null
@@ -1,150 +0,0 @@
-using System.Collections.Generic;
-
-namespace Ryujinx.HLE.Memory
-{
-    class ArenaAllocator
-    {
-        private class Region
-        {
-            public long Position { get; set; }
-            public long Size     { get; set; }
-
-            public Region(long Position, long Size)
-            {
-                this.Position = Position;
-                this.Size     = Size;
-            }
-        }
-
-        private LinkedList<Region> FreeRegions;
-
-        public long TotalAvailableSize { get; private set; }
-        public long TotalUsedSize      { get; private set; }
-
-        public ArenaAllocator(long ArenaSize)
-        {
-            TotalAvailableSize = ArenaSize;
-
-            FreeRegions = new LinkedList<Region>();
-
-            FreeRegions.AddFirst(new Region(0, ArenaSize));
-        }
-
-        public bool TryAllocate(long Size, out long Position)
-        {
-            LinkedListNode<Region> Node = FreeRegions.First;
-
-            while (Node != null)
-            {
-                Region Rg = Node.Value;
-
-                if ((ulong)Rg.Size >= (ulong)Size)
-                {
-                    Position = Rg.Position;
-
-                    Rg.Position += Size;
-                    Rg.Size     -= Size;
-
-                    if (Rg.Size == 0)
-                    {
-                        //Region is empty, just remove it.
-                        FreeRegions.Remove(Node);
-                    }
-                    else if (Node.Previous != null)
-                    {
-                        //Re-sort based on size (smaller first).
-                        Node = Node.Previous;
-
-                        FreeRegions.Remove(Node.Next);
-
-                        while (Node != null && (ulong)Node.Value.Size > (ulong)Rg.Size)
-                        {
-                            Node = Node.Previous;
-                        }
-
-                        if (Node != null)
-                        {
-                            FreeRegions.AddAfter(Node, Rg);
-                        }
-                        else
-                        {
-                            FreeRegions.AddFirst(Rg);
-                        }
-                    }
-
-                    TotalUsedSize += Size;
-
-                    return true;
-                }
-
-                Node = Node.Next;
-            }
-
-            Position = 0;
-
-            return false;
-        }
-
-        public void Free(long Position, long Size)
-        {
-            long End = Position + Size;
-
-            Region NewRg = new Region(Position, Size);
-
-            LinkedListNode<Region> Node   = FreeRegions.First;
-            LinkedListNode<Region> PrevSz = null;
-
-            while (Node != null)
-            {
-                LinkedListNode<Region> NextNode = Node.Next;
-
-                Region Rg = Node.Value;
-
-                long RgEnd = Rg.Position + Rg.Size;
-
-                if (Rg.Position == End)
-                {
-                    //Current region position matches the end of the freed region,
-                    //just merge the two and remove the current region from the list.
-                    NewRg.Size += Rg.Size;
-
-                    FreeRegions.Remove(Node);
-                }
-                else if (RgEnd == Position)
-                {
-                    //End of the current region matches the position of the freed region,
-                    //just merge the two and remove the current region from the list.
-                    NewRg.Position  = Rg.Position;
-                    NewRg.Size     += Rg.Size;
-
-                    FreeRegions.Remove(Node);
-                }
-                else
-                {
-                    if (PrevSz == null)
-                    {
-                        PrevSz = Node;
-                    }
-                    else if ((ulong)Rg.Size < (ulong)NewRg.Size &&
-                             (ulong)Rg.Size > (ulong)PrevSz.Value.Size)
-                    {
-                        PrevSz = Node;
-                    }
-                }
-
-                Node = NextNode;
-            }
-
-            if (PrevSz != null && (ulong)PrevSz.Value.Size < (ulong)Size)
-            {
-                FreeRegions.AddAfter(PrevSz, NewRg);
-            }
-            else
-            {
-                FreeRegions.AddFirst(NewRg);
-            }
-
-            TotalUsedSize -= Size;
-        }
-    }
-}
\ No newline at end of file
diff --git a/Ryujinx.HLE/Memory/DeviceMemory.cs b/Ryujinx.HLE/Memory/DeviceMemory.cs
deleted file mode 100644
index 3c5f2e5f..00000000
--- a/Ryujinx.HLE/Memory/DeviceMemory.cs
+++ /dev/null
@@ -1,130 +0,0 @@
-using System;
-using System.Runtime.InteropServices;
-
-namespace Ryujinx.HLE.Memory
-{
-    class DeviceMemory : IDisposable
-    {
-        public const long RamSize = 4L * 1024 * 1024 * 1024;
-
-        public ArenaAllocator Allocator { get; private set; }
-
-        public IntPtr RamPointer { get; private set; }
-
-        private unsafe byte* RamPtr;
-
-        public unsafe DeviceMemory()
-        {
-            Allocator = new ArenaAllocator(RamSize);
-
-            RamPointer = Marshal.AllocHGlobal(new IntPtr(RamSize));
-
-            RamPtr = (byte*)RamPointer;
-        }
-
-        public sbyte ReadSByte(long Position)
-        {
-            return (sbyte)ReadByte(Position);
-        }
-
-        public short ReadInt16(long Position)
-        {
-            return (short)ReadUInt16(Position);
-        }
-
-        public int ReadInt32(long Position)
-        {
-            return (int)ReadUInt32(Position);
-        }
-
-        public long ReadInt64(long Position)
-        {
-            return (long)ReadUInt64(Position);
-        }
-
-        public unsafe byte ReadByte(long Position)
-        {
-            return *((byte*)(RamPtr + Position));
-        }
-
-        public unsafe ushort ReadUInt16(long Position)
-        {
-            return *((ushort*)(RamPtr + Position));
-        }
-
-        public unsafe uint ReadUInt32(long Position)
-        {
-            return *((uint*)(RamPtr + Position));
-        }
-
-        public unsafe ulong ReadUInt64(long Position)
-        {
-            return *((ulong*)(RamPtr + Position));
-        }
-
-        public void WriteSByte(long Position, sbyte Value)
-        {
-            WriteByte(Position, (byte)Value);
-        }
-
-        public void WriteInt16(long Position, short Value)
-        {
-            WriteUInt16(Position, (ushort)Value);
-        }
-
-        public void WriteInt32(long Position, int Value)
-        {
-            WriteUInt32(Position, (uint)Value);
-        }
-
-        public void WriteInt64(long Position, long Value)
-        {
-            WriteUInt64(Position, (ulong)Value);
-        }
-
-        public unsafe void WriteByte(long Position, byte Value)
-        {
-            *((byte*)(RamPtr + Position)) = Value;
-        }
-
-        public unsafe void WriteUInt16(long Position, ushort Value)
-        {
-            *((ushort*)(RamPtr + Position)) = Value;
-        }
-
-        public unsafe void WriteUInt32(long Position, uint Value)
-        {
-            *((uint*)(RamPtr + Position)) = Value;
-        }
-
-        public unsafe void WriteUInt64(long Position, ulong Value)
-        {
-            *((ulong*)(RamPtr + Position)) = Value;
-        }
-
-        public void FillWithZeros(long Position, int Size)
-        {
-            int Size8 = Size & ~(8 - 1);
-
-            for (int Offs = 0; Offs < Size8; Offs += 8)
-            {
-                WriteInt64(Position + Offs, 0);
-            }
-
-            for (int Offs = Size8; Offs < (Size - Size8); Offs++)
-            {
-                WriteByte(Position + Offs, 0);
-            }
-        }
-
-        public void Dispose()
-        {
-            Dispose(true);
-        }
-
-        protected virtual void Dispose(bool Disposing)
-        {
-            Marshal.FreeHGlobal(RamPointer);
-        }
-    }
-}
\ No newline at end of file