Implement code memory syscalls (#2958)

* Implement code memory syscalls

* Remove owner process validation

* Add 32-bit code memory syscalls

* Remove unused field

Ryujinx.HLE/HOS/Kernel/Memory/KCodeMemory.cs

@@ -0,0 +1,168 @@
+using Ryujinx.Common;
+using Ryujinx.HLE.HOS.Kernel.Common;
+using Ryujinx.HLE.HOS.Kernel.Process;
+using System;
+using System.Diagnostics;
+
+namespace Ryujinx.HLE.HOS.Kernel.Memory
+{
+    class KCodeMemory : KAutoObject
+    {
+        public KProcess Owner { get; private set; }
+        private readonly KPageList _pageList;
+        private readonly object _lock;
+        private ulong _address;
+        private bool _isOwnerMapped;
+        private bool _isMapped;
+
+        public KCodeMemory(KernelContext context) : base(context)
+        {
+            _pageList = new KPageList();
+            _lock = new object();
+        }
+
+        public KernelResult Initialize(ulong address, ulong size)
+        {
+            Owner = KernelStatic.GetCurrentProcess();
+
+            KernelResult result = Owner.MemoryManager.BorrowCodeMemory(_pageList, address, size);
+
+            if (result != KernelResult.Success)
+            {
+                return result;
+            }
+
+            Owner.CpuMemory.Fill(address, size, 0xff);
+            Owner.IncrementReferenceCount();
+
+            _address = address;
+            _isMapped = false;
+            _isOwnerMapped = false;
+
+            return KernelResult.Success;
+        }
+
+        public KernelResult Map(ulong address, ulong size, KMemoryPermission perm)
+        {
+            if (_pageList.GetPagesCount() != BitUtils.DivRoundUp(size, KPageTableBase.PageSize))
+            {
+                return KernelResult.InvalidSize;
+            }
+
+            lock (_lock)
+            {
+                if (_isMapped)
+                {
+                    return KernelResult.InvalidState;
+                }
+
+                KProcess process = KernelStatic.GetCurrentProcess();
+
+                KernelResult result = process.MemoryManager.MapPages(address, _pageList, MemoryState.CodeWritable, KMemoryPermission.ReadAndWrite);
+
+                if (result != KernelResult.Success)
+                {
+                    return result;
+                }
+
+                _isMapped = true;
+            }
+
+            return KernelResult.Success;
+        }
+
+        public KernelResult MapToOwner(ulong address, ulong size, KMemoryPermission permission)
+        {
+            if (_pageList.GetPagesCount() != BitUtils.DivRoundUp(size, KPageTableBase.PageSize))
+            {
+                return KernelResult.InvalidSize;
+            }
+
+            lock (_lock)
+            {
+                if (_isOwnerMapped)
+                {
+                    return KernelResult.InvalidState;
+                }
+
+                Debug.Assert(permission == KMemoryPermission.Read || permission == KMemoryPermission.ReadAndExecute);
+
+                KernelResult result = Owner.MemoryManager.MapPages(address, _pageList, MemoryState.CodeReadOnly, permission);
+
+                if (result != KernelResult.Success)
+                {
+                    return result;
+                }
+
+                _isOwnerMapped = true;
+            }
+
+            return KernelResult.Success;
+        }
+
+        public KernelResult Unmap(ulong address, ulong size)
+        {
+            if (_pageList.GetPagesCount() != BitUtils.DivRoundUp(size, KPageTableBase.PageSize))
+            {
+                return KernelResult.InvalidSize;
+            }
+
+            lock (_lock)
+            {
+                KProcess process = KernelStatic.GetCurrentProcess();
+
+                KernelResult result = process.MemoryManager.UnmapPages(address, _pageList, MemoryState.CodeWritable);
+
+                if (result != KernelResult.Success)
+                {
+                    return result;
+                }
+
+                Debug.Assert(_isMapped);
+
+                _isMapped = false;
+            }
+
+            return KernelResult.Success;
+        }
+
+        public KernelResult UnmapFromOwner(ulong address, ulong size)
+        {
+            if (_pageList.GetPagesCount() != BitUtils.DivRoundUp(size, KPageTableBase.PageSize))
+            {
+                return KernelResult.InvalidSize;
+            }
+
+            lock (_lock)
+            {
+                KernelResult result = Owner.MemoryManager.UnmapPages(address, _pageList, MemoryState.CodeReadOnly);
+
+                if (result != KernelResult.Success)
+                {
+                    return result;
+                }
+
+                Debug.Assert(_isOwnerMapped);
+
+                _isOwnerMapped = false;
+            }
+
+            return KernelResult.Success;
+        }
+
+        protected override void Destroy()
+        {
+            if (!_isMapped && !_isOwnerMapped)
+            {
+                ulong size = _pageList.GetPagesCount() * KPageTableBase.PageSize;
+
+                if (Owner.MemoryManager.UnborrowCodeMemory(_address, size, _pageList) != KernelResult.Success)
+                {
+                    throw new InvalidOperationException("Unexpected failure restoring transfer memory attributes.");
+                }
+            }
+
+            Owner.DecrementReferenceCount();
+        }
+    }
+}

Ryujinx.HLE/HOS/Kernel/Memory/KPageTableBase.cs

@@ -1095,6 +1095,77 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
             }
         }
 
+        public KernelResult UnmapProcessMemory(ulong dst, ulong size, KPageTableBase srcPageTable, ulong src)
+        {
+            lock (_blockManager)
+            {
+                lock (srcPageTable._blockManager)
+                {
+                    bool success = CheckRange(
+                        dst,
+                        size,
+                        MemoryState.Mask,
+                        MemoryState.ProcessMemory,
+                        KMemoryPermission.ReadAndWrite,
+                        KMemoryPermission.ReadAndWrite,
+                        MemoryAttribute.Mask,
+                        MemoryAttribute.None,
+                        MemoryAttribute.IpcAndDeviceMapped,
+                        out _,
+                        out _,
+                        out _);
+
+                    success &= srcPageTable.CheckRange(
+                        src,
+                        size,
+                        MemoryState.MapProcessAllowed,
+                        MemoryState.MapProcessAllowed,
+                        KMemoryPermission.None,
+                        KMemoryPermission.None,
+                        MemoryAttribute.Mask,
+                        MemoryAttribute.None,
+                        MemoryAttribute.IpcAndDeviceMapped,
+                        out _,
+                        out _,
+                        out _);
+
+                    if (!success)
+                    {
+                        return KernelResult.InvalidMemState;
+                    }
+
+                    KPageList srcPageList = new KPageList();
+                    KPageList dstPageList = new KPageList();
+
+                    srcPageTable.GetPhysicalRegions(src, size, srcPageList);
+                    GetPhysicalRegions(dst, size, dstPageList);
+
+                    if (!dstPageList.IsEqual(srcPageList))
+                    {
+                        return KernelResult.InvalidMemRange;
+                    }
+                }
+
+                if (!_slabManager.CanAllocate(MaxBlocksNeededForInsertion))
+                {
+                    return KernelResult.OutOfResource;
+                }
+
+                ulong pagesCount = size / PageSize;
+
+                KernelResult result = Unmap(dst, pagesCount);
+
+                if (result != KernelResult.Success)
+                {
+                    return result;
+                }
+
+                _blockManager.InsertBlock(dst, pagesCount, MemoryState.Unmapped);
+
+                return KernelResult.Success;
+            }
+        }
+
         public KernelResult SetProcessMemoryPermission(ulong address, ulong size, KMemoryPermission permission)
         {
             lock (_blockManager)
@@ -2023,6 +2094,49 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
             block.RestoreIpcMappingPermission();
         }
 
+        public KernelResult GetPagesIfStateEquals(
+            ulong address,
+            ulong size,
+            MemoryState stateMask,
+            MemoryState stateExpected,
+            KMemoryPermission permissionMask,
+            KMemoryPermission permissionExpected,
+            MemoryAttribute attributeMask,
+            MemoryAttribute attributeExpected,
+            KPageList pageList)
+        {
+            if (!InsideAddrSpace(address, size))
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            lock (_blockManager)
+            {
+                if (CheckRange(
+                    address,
+                    size,
+                    stateMask | MemoryState.IsPoolAllocated,
+                    stateExpected | MemoryState.IsPoolAllocated,
+                    permissionMask,
+                    permissionExpected,
+                    attributeMask,
+                    attributeExpected,
+                    MemoryAttribute.IpcAndDeviceMapped,
+                    out _,
+                    out _,
+                    out _))
+                {
+                    GetPhysicalRegions(address, size, pageList);
+
+                    return KernelResult.Success;
+                }
+                else
+                {
+                    return KernelResult.InvalidMemState;
+                }
+            }
+        }
+
         public KernelResult BorrowIpcBuffer(ulong address, ulong size)
         {
             return SetAttributesAndChangePermission(
@@ -2054,6 +2168,22 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
                 pageList);
         }
 
+        public KernelResult BorrowCodeMemory(KPageList pageList, ulong address, ulong size)
+        {
+            return SetAttributesAndChangePermission(
+                address,
+                size,
+                MemoryState.CodeMemoryAllowed,
+                MemoryState.CodeMemoryAllowed,
+                KMemoryPermission.Mask,
+                KMemoryPermission.ReadAndWrite,
+                MemoryAttribute.Mask,
+                MemoryAttribute.None,
+                KMemoryPermission.None,
+                MemoryAttribute.Borrowed,
+                pageList);
+        }
+
         private KernelResult SetAttributesAndChangePermission(
             ulong address,
             ulong size,
@@ -2159,6 +2289,22 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
                 pageList);
         }
 
+        public KernelResult UnborrowCodeMemory(ulong address, ulong size, KPageList pageList)
+        {
+            return ClearAttributesAndChangePermission(
+                address,
+                size,
+                MemoryState.CodeMemoryAllowed,
+                MemoryState.CodeMemoryAllowed,
+                KMemoryPermission.None,
+                KMemoryPermission.None,
+                MemoryAttribute.Mask,
+                MemoryAttribute.Borrowed,
+                KMemoryPermission.ReadAndWrite,
+                MemoryAttribute.Borrowed,
+                pageList);
+        }
+
         private KernelResult ClearAttributesAndChangePermission(
             ulong address,
             ulong size,

Ryujinx.HLE/HOS/Kernel/SupervisorCall/CodeMemoryOperation.cs

@@ -0,0 +1,10 @@
+namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
+{
+    enum CodeMemoryOperation : uint
+    {
+        Map,
+        MapToOwner,
+        Unmap,
+        UnmapFromOwner
+    };
+}

Ryujinx.HLE/HOS/Kernel/SupervisorCall/Syscall.cs

@@ -1317,9 +1317,11 @@ namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
             return process.MemoryManager.UnmapPhysicalMemory(address, size);
         }
 
-        public KernelResult MapProcessCodeMemory(int handle, ulong dst, ulong src, ulong size)
+        public KernelResult CreateCodeMemory(ulong address, ulong size, out int handle)
         {
-            if (!PageAligned(dst) || !PageAligned(src))
+            handle = 0;
+
+            if (!PageAligned(address))
             {
                 return KernelResult.InvalidAddress;
             }
@@ -1329,6 +1331,124 @@ namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
                 return KernelResult.InvalidSize;
             }
 
+            if (size + address <= address)
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            KCodeMemory codeMemory = new KCodeMemory(_context);
+
+            using var _ = new OnScopeExit(codeMemory.DecrementReferenceCount);
+
+            KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+            if (!currentProcess.MemoryManager.InsideAddrSpace(address, size))
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            KernelResult result = codeMemory.Initialize(address, size);
+
+            if (result != KernelResult.Success)
+            {
+                return result;
+            }
+
+            return currentProcess.HandleTable.GenerateHandle(codeMemory, out handle);
+        }
+
+        public KernelResult ControlCodeMemory(int handle, CodeMemoryOperation op, ulong address, ulong size, KMemoryPermission permission)
+        {
+            KProcess currentProcess = KernelStatic.GetCurrentProcess();
+
+            KCodeMemory codeMemory = currentProcess.HandleTable.GetObject<KCodeMemory>(handle);
+
+            // Newer versions of the return also returns an error here if the owner and process
+            // where the operation will happen are the same. We do not return an error here
+            // because some homebrew requires this to be patched out to work (for JIT).
+            if (codeMemory == null /* || codeMemory.Owner == currentProcess */)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            switch (op)
+            {
+                case CodeMemoryOperation.Map:
+                    if (!currentProcess.MemoryManager.CanContain(address, size, MemoryState.CodeWritable))
+                    {
+                        return KernelResult.InvalidMemRange;
+                    }
+
+                    if (permission != KMemoryPermission.ReadAndWrite)
+                    {
+                        return KernelResult.InvalidPermission;
+                    }
+
+                    return codeMemory.Map(address, size, permission);
+
+                case CodeMemoryOperation.MapToOwner:
+                    if (!currentProcess.MemoryManager.CanContain(address, size, MemoryState.CodeReadOnly))
+                    {
+                        return KernelResult.InvalidMemRange;
+                    }
+
+                    if (permission != KMemoryPermission.Read && permission != KMemoryPermission.ReadAndExecute)
+                    {
+                        return KernelResult.InvalidPermission;
+                    }
+
+                    return codeMemory.MapToOwner(address, size, permission);
+
+                case CodeMemoryOperation.Unmap:
+                    if (!currentProcess.MemoryManager.CanContain(address, size, MemoryState.CodeWritable))
+                    {
+                        return KernelResult.InvalidMemRange;
+                    }
+
+                    if (permission != KMemoryPermission.None)
+                    {
+                        return KernelResult.InvalidPermission;
+                    }
+
+                    return codeMemory.Unmap(address, size);
+
+                case CodeMemoryOperation.UnmapFromOwner:
+                    if (!currentProcess.MemoryManager.CanContain(address, size, MemoryState.CodeReadOnly))
+                    {
+                        return KernelResult.InvalidMemRange;
+                    }
+
+                    if (permission != KMemoryPermission.None)
+                    {
+                        return KernelResult.InvalidPermission;
+                    }
+
+                    return codeMemory.UnmapFromOwner(address, size);
+
+                default: return KernelResult.InvalidEnumValue;
+            }
+        }
+
+        public KernelResult SetProcessMemoryPermission(int handle, ulong src, ulong size, KMemoryPermission permission)
+        {
+            if (!PageAligned(src))
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            if (!PageAligned(size) || size == 0)
+            {
+                return KernelResult.InvalidSize;
+            }
+
+            if (permission != KMemoryPermission.None &&
+                permission != KMemoryPermission.Read &&
+                permission != KMemoryPermission.ReadAndWrite &&
+                permission != KMemoryPermission.ReadAndExecute)
+            {
+                return KernelResult.InvalidPermission;
+            }
+
             KProcess currentProcess = KernelStatic.GetCurrentProcess();
 
             KProcess targetProcess = currentProcess.HandleTable.GetObject<KProcess>(handle);
@@ -1338,23 +1458,108 @@ namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
                 return KernelResult.InvalidHandle;
             }
 
-            if (targetProcess.MemoryManager.OutsideAddrSpace(dst, size) ||
-                targetProcess.MemoryManager.OutsideAddrSpace(src, size) ||
-                targetProcess.MemoryManager.InsideAliasRegion(dst, size) ||
-                targetProcess.MemoryManager.InsideHeapRegion(dst, size))
+            if (targetProcess.MemoryManager.OutsideAddrSpace(src, size))
+            {
+                return KernelResult.InvalidMemState;
+            }
+
+            return targetProcess.MemoryManager.SetProcessMemoryPermission(src, size, permission);
+        }
+
+        public KernelResult MapProcessMemory(ulong dst, int handle, ulong src, ulong size)
+        {
+            if (!PageAligned(src) || !PageAligned(dst))
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            if (!PageAligned(size) || size == 0)
+            {
+                return KernelResult.InvalidSize;
+            }
+
+            if (dst + size <= dst || src + size <= src)
             {
                 return KernelResult.InvalidMemRange;
             }
 
-            if (size + dst <= dst || size + src <= src)
+            KProcess dstProcess = KernelStatic.GetCurrentProcess();
+            KProcess srcProcess = dstProcess.HandleTable.GetObject<KProcess>(handle);
+
+            if (srcProcess == null)
             {
-                return KernelResult.InvalidMemState;
+                return KernelResult.InvalidHandle;
             }
 
-            return targetProcess.MemoryManager.MapProcessCodeMemory(dst, src, size);
+            if (!srcProcess.MemoryManager.InsideAddrSpace(src, size) ||
+                !dstProcess.MemoryManager.CanContain(dst, size, MemoryState.ProcessMemory))
+            {
+                return KernelResult.InvalidMemRange;
+            }
+
+            KPageList pageList = new KPageList();
+
+            KernelResult result = srcProcess.MemoryManager.GetPagesIfStateEquals(
+                src,
+                size,
+                MemoryState.MapProcessAllowed,
+                MemoryState.MapProcessAllowed,
+                KMemoryPermission.None,
+                KMemoryPermission.None,
+                MemoryAttribute.Mask,
+                MemoryAttribute.None,
+                pageList);
+
+            if (result != KernelResult.Success)
+            {
+                return result;
+            }
+
+            return dstProcess.MemoryManager.MapPages(dst, pageList, MemoryState.ProcessMemory, KMemoryPermission.ReadAndWrite);
         }
 
-        public KernelResult UnmapProcessCodeMemory(int handle, ulong dst, ulong src, ulong size)
+        public KernelResult UnmapProcessMemory(ulong dst, int handle, ulong src, ulong size)
+        {
+            if (!PageAligned(src) || !PageAligned(dst))
+            {
+                return KernelResult.InvalidAddress;
+            }
+
+            if (!PageAligned(size) || size == 0)
+            {
+                return KernelResult.InvalidSize;
+            }
+
+            if (dst + size <= dst || src + size <= src)
+            {
+                return KernelResult.InvalidMemRange;
+            }
+
+            KProcess dstProcess = KernelStatic.GetCurrentProcess();
+            KProcess srcProcess = dstProcess.HandleTable.GetObject<KProcess>(handle);
+
+            if (srcProcess == null)
+            {
+                return KernelResult.InvalidHandle;
+            }
+
+            if (!srcProcess.MemoryManager.InsideAddrSpace(src, size) ||
+                !dstProcess.MemoryManager.CanContain(dst, size, MemoryState.ProcessMemory))
+            {
+                return KernelResult.InvalidMemRange;
+            }
+
+            KernelResult result = dstProcess.MemoryManager.UnmapProcessMemory(dst, size, srcProcess.MemoryManager, src);
+
+            if (result != KernelResult.Success)
+            {
+                return result;
+            }
+
+            return KernelResult.Success;
+        }
+
+        public KernelResult MapProcessCodeMemory(int handle, ulong dst, ulong src, ulong size)
         {
             if (!PageAligned(dst) || !PageAligned(src))
             {
@@ -1388,12 +1593,12 @@ namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
                 return KernelResult.InvalidMemState;
             }
 
-            return targetProcess.MemoryManager.UnmapProcessCodeMemory(dst, src, size);
+            return targetProcess.MemoryManager.MapProcessCodeMemory(dst, src, size);
         }
 
-        public KernelResult SetProcessMemoryPermission(int handle, ulong src, ulong size, KMemoryPermission permission)
+        public KernelResult UnmapProcessCodeMemory(int handle, ulong dst, ulong src, ulong size)
         {
-            if (!PageAligned(src))
+            if (!PageAligned(dst) || !PageAligned(src))
             {
                 return KernelResult.InvalidAddress;
             }
@@ -1403,14 +1608,6 @@ namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
                 return KernelResult.InvalidSize;
             }
 
-            if (permission != KMemoryPermission.None &&
-                permission != KMemoryPermission.Read &&
-                permission != KMemoryPermission.ReadAndWrite &&
-                permission != KMemoryPermission.ReadAndExecute)
-            {
-                return KernelResult.InvalidPermission;
-            }
-
             KProcess currentProcess = KernelStatic.GetCurrentProcess();
 
             KProcess targetProcess = currentProcess.HandleTable.GetObject<KProcess>(handle);
@@ -1420,12 +1617,20 @@ namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
                 return KernelResult.InvalidHandle;
             }
 
-            if (targetProcess.MemoryManager.OutsideAddrSpace(src, size))
+            if (targetProcess.MemoryManager.OutsideAddrSpace(dst, size) ||
+                targetProcess.MemoryManager.OutsideAddrSpace(src, size) ||
+                targetProcess.MemoryManager.InsideAliasRegion(dst, size) ||
+                targetProcess.MemoryManager.InsideHeapRegion(dst, size))
+            {
+                return KernelResult.InvalidMemRange;
+            }
+
+            if (size + dst <= dst || size + src <= src)
             {
                 return KernelResult.InvalidMemState;
             }
 
-            return targetProcess.MemoryManager.SetProcessMemoryPermission(src, size, permission);
+            return targetProcess.MemoryManager.UnmapProcessCodeMemory(dst, src, size);
         }
 
         private static bool PageAligned(ulong address)

Ryujinx.HLE/HOS/Kernel/SupervisorCall/Syscall32.cs

@@ -143,6 +143,26 @@ namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
             return _syscall.CreateTransferMemory(out handle, address, size, permission);
         }
 
+        public KernelResult CreateCodeMemory32([R(1)] uint address, [R(2)] uint size, [R(1)] out int handle)
+        {
+            return _syscall.CreateCodeMemory(address, size, out handle);
+        }
+
+        public KernelResult ControlCodeMemory32(
+            [R(0)] int handle,
+            [R(1)] CodeMemoryOperation op,
+            [R(2)] uint addressLow,
+            [R(3)] uint addressHigh,
+            [R(4)] uint sizeLow,
+            [R(5)] uint sizeHigh,
+            [R(6)] KMemoryPermission permission)
+        {
+            ulong address = addressLow | ((ulong)addressHigh << 32);
+            ulong size = sizeLow | ((ulong)sizeHigh << 32);
+
+            return _syscall.ControlCodeMemory(handle, op, address, size, permission);
+        }
+
         public KernelResult MapTransferMemory32([R(0)] int handle, [R(1)] uint address, [R(2)] uint size, [R(3)] KMemoryPermission permission)
         {
             return _syscall.MapTransferMemory(handle, address, size, permission);
@@ -163,36 +183,50 @@ namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
             return _syscall.UnmapPhysicalMemory(address, size);
         }
 
-        public KernelResult MapProcessCodeMemory32([R(0)] int handle, [R(1)] uint srcLow, [R(2)] uint dstLow, [R(3)] uint dstHigh, [R(4)] uint srcHigh, [R(5)] uint sizeLow, [R(6)] uint sizeHigh)
+        public KernelResult SetProcessMemoryPermission32(
+            [R(0)] int handle,
+            [R(1)] uint sizeLow,
+            [R(2)] uint srcLow,
+            [R(3)] uint srcHigh,
+            [R(4)] uint sizeHigh,
+            [R(5)] KMemoryPermission permission)
         {
             ulong src = srcLow | ((ulong)srcHigh << 32);
-            ulong dst = dstLow | ((ulong)dstHigh << 32);
             ulong size = sizeLow | ((ulong)sizeHigh << 32);
 
-            return _syscall.MapProcessCodeMemory(handle, dst, src, size);
+            return _syscall.SetProcessMemoryPermission(handle, src, size, permission);
         }
 
-        public KernelResult UnmapProcessCodeMemory32([R(0)] int handle, [R(1)] uint srcLow, [R(2)] uint dstLow, [R(3)] uint dstHigh, [R(4)] uint srcHigh, [R(5)] uint sizeLow, [R(6)] uint sizeHigh)
+        public KernelResult MapProcessMemory32([R(0)] uint dst, [R(1)] int handle, [R(2)] uint srcLow, [R(3)] uint srcHigh, [R(4)] uint size)
+        {
+            ulong src = srcLow | ((ulong)srcHigh << 32);
+
+            return _syscall.MapProcessMemory(dst, handle, src, size);
+        }
+
+        public KernelResult UnmapProcessMemory32([R(0)] uint dst, [R(1)] int handle, [R(2)] uint srcLow, [R(3)] uint srcHigh, [R(4)] uint size)
+        {
+            ulong src = srcLow | ((ulong)srcHigh << 32);
+
+            return _syscall.UnmapProcessMemory(dst, handle, src, size);
+        }
+
+        public KernelResult MapProcessCodeMemory32([R(0)] int handle, [R(1)] uint srcLow, [R(2)] uint dstLow, [R(3)] uint dstHigh, [R(4)] uint srcHigh, [R(5)] uint sizeLow, [R(6)] uint sizeHigh)
         {
             ulong src = srcLow | ((ulong)srcHigh << 32);
             ulong dst = dstLow | ((ulong)dstHigh << 32);
             ulong size = sizeLow | ((ulong)sizeHigh << 32);
 
-            return _syscall.UnmapProcessCodeMemory(handle, dst, src, size);
+            return _syscall.MapProcessCodeMemory(handle, dst, src, size);
         }
 
-        public KernelResult SetProcessMemoryPermission32(
-            [R(0)] int handle,
-            [R(1)] uint sizeLow,
-            [R(2)] uint srcLow,
-            [R(3)] uint srcHigh,
-            [R(4)] uint sizeHigh,
-            [R(5)] KMemoryPermission permission)
+        public KernelResult UnmapProcessCodeMemory32([R(0)] int handle, [R(1)] uint srcLow, [R(2)] uint dstLow, [R(3)] uint dstHigh, [R(4)] uint srcHigh, [R(5)] uint sizeLow, [R(6)] uint sizeHigh)
         {
             ulong src = srcLow | ((ulong)srcHigh << 32);
+            ulong dst = dstLow | ((ulong)dstHigh << 32);
             ulong size = sizeLow | ((ulong)sizeHigh << 32);
 
-            return _syscall.SetProcessMemoryPermission(handle, src, size, permission);
+            return _syscall.UnmapProcessCodeMemory(handle, dst, src, size);
         }
 
         // System

Ryujinx.HLE/HOS/Kernel/SupervisorCall/Syscall64.cs

@@ -160,6 +160,16 @@ namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
             return _syscall.CreateTransferMemory(out handle, address, size, permission);
         }
 
+        public KernelResult CreateCodeMemory64([R(1)] ulong address, [R(2)] ulong size, [R(1)] out int handle)
+        {
+            return _syscall.CreateCodeMemory(address, size, out handle);
+        }
+
+        public KernelResult ControlCodeMemory64([R(0)] int handle, [R(1)] CodeMemoryOperation op, [R(2)] ulong address, [R(3)] ulong size, [R(4)] KMemoryPermission permission)
+        {
+            return _syscall.ControlCodeMemory(handle, op, address, size, permission);
+        }
+
         public KernelResult MapTransferMemory64([R(0)] int handle, [R(1)] ulong address, [R(2)] ulong size, [R(3)] KMemoryPermission permission)
         {
             return _syscall.MapTransferMemory(handle, address, size, permission);
@@ -180,6 +190,21 @@ namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
             return _syscall.UnmapPhysicalMemory(address, size);
         }
 
+        public KernelResult SetProcessMemoryPermission64([R(0)] int handle, [R(1)] ulong src, [R(2)] ulong size, [R(3)] KMemoryPermission permission)
+        {
+            return _syscall.SetProcessMemoryPermission(handle, src, size, permission);
+        }
+
+        public KernelResult MapProcessMemory64([R(0)] ulong dst, [R(1)] int handle, [R(2)] ulong src, [R(3)] ulong size)
+        {
+            return _syscall.MapProcessMemory(dst, handle, src, size);
+        }
+
+        public KernelResult UnmapProcessMemory64([R(0)] ulong dst, [R(1)] int handle, [R(2)] ulong src, [R(3)] ulong size)
+        {
+            return _syscall.UnmapProcessMemory(dst, handle, src, size);
+        }
+
         public KernelResult MapProcessCodeMemory64([R(0)] int handle, [R(1)] ulong dst, [R(2)] ulong src, [R(3)] ulong size)
         {
             return _syscall.MapProcessCodeMemory(handle, dst, src, size);
@@ -190,11 +215,6 @@ namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
             return _syscall.UnmapProcessCodeMemory(handle, dst, src, size);
         }
 
-        public KernelResult SetProcessMemoryPermission64([R(0)] int handle, [R(1)] ulong src, [R(2)] ulong size, [R(3)] KMemoryPermission permission)
-        {
-            return _syscall.SetProcessMemoryPermission(handle, src, size, permission);
-        }
-
         // System
 
         public void ExitProcess64()

Ryujinx.HLE/HOS/Kernel/SupervisorCall/SyscallTable.cs

@@ -78,6 +78,8 @@ namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
                 { 0x43, nameof(Syscall64.ReplyAndReceive64)                },
                 { 0x44, nameof(Syscall64.ReplyAndReceiveWithUserBuffer64)  },
                 { 0x45, nameof(Syscall64.CreateEvent64)                    },
+                { 0x4b, nameof(Syscall64.CreateCodeMemory64)               },
+                { 0x4c, nameof(Syscall64.ControlCodeMemory64)              },
                 { 0x51, nameof(Syscall64.MapTransferMemory64)              },
                 { 0x52, nameof(Syscall64.UnmapTransferMemory64)            },
                 { 0x65, nameof(Syscall64.GetProcessList64)                 },
@@ -86,6 +88,8 @@ namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
                 { 0x71, nameof(Syscall64.ManageNamedPort64)                },
                 { 0x72, nameof(Syscall64.ConnectToPort64)                  },
                 { 0x73, nameof(Syscall64.SetProcessMemoryPermission64)     },
+                { 0x74, nameof(Syscall64.MapProcessMemory64)               },
+                { 0x75, nameof(Syscall64.UnmapProcessMemory64)             },
                 { 0x77, nameof(Syscall64.MapProcessCodeMemory64)           },
                 { 0x78, nameof(Syscall64.UnmapProcessCodeMemory64)         },
                 { 0x7B, nameof(Syscall64.TerminateProcess64)               },
@@ -152,6 +156,8 @@ namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
                 { 0x41, nameof(Syscall32.AcceptSession32)                 },
                 { 0x43, nameof(Syscall32.ReplyAndReceive32)               },
                 { 0x45, nameof(Syscall32.CreateEvent32)                   },
+                { 0x4b, nameof(Syscall32.CreateCodeMemory32)              },
+                { 0x4c, nameof(Syscall32.ControlCodeMemory32)             },
                 { 0x51, nameof(Syscall32.MapTransferMemory32)             },
                 { 0x52, nameof(Syscall32.UnmapTransferMemory32)           },
                 { 0x5F, nameof(Syscall32.FlushProcessDataCache32)         },
@@ -161,6 +167,8 @@ namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
                 { 0x71, nameof(Syscall32.ManageNamedPort32)               },
                 { 0x72, nameof(Syscall32.ConnectToPort32)                 },
                 { 0x73, nameof(Syscall32.SetProcessMemoryPermission32)    },
+                { 0x74, nameof(Syscall32.MapProcessMemory32)              },
+                { 0x75, nameof(Syscall32.UnmapProcessMemory32)            },
                 { 0x77, nameof(Syscall32.MapProcessCodeMemory32)          },
                 { 0x78, nameof(Syscall32.UnmapProcessCodeMemory32)        },
                 { 0x7B, nameof(Syscall32.TerminateProcess32)              },