From 00579927e43bf55ee06ae02933c1e755fb4120eb Mon Sep 17 00:00:00 2001
From: gdkchan <gab.dark.100@gmail.com>
Date: Wed, 28 Nov 2018 20:18:09 -0200
Subject: 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
---
 Ryujinx.HLE/HOS/Kernel/KProcessHandleTable.cs | 183 --------------------------
 1 file changed, 183 deletions(-)
 delete mode 100644 Ryujinx.HLE/HOS/Kernel/KProcessHandleTable.cs

(limited to 'Ryujinx.HLE/HOS/Kernel/KProcessHandleTable.cs')

diff --git a/Ryujinx.HLE/HOS/Kernel/KProcessHandleTable.cs b/Ryujinx.HLE/HOS/Kernel/KProcessHandleTable.cs
deleted file mode 100644
index 682f08d4..00000000
--- a/Ryujinx.HLE/HOS/Kernel/KProcessHandleTable.cs
+++ /dev/null
@@ -1,183 +0,0 @@
-using System;
-
-namespace Ryujinx.HLE.HOS.Kernel
-{
-    class KProcessHandleTable
-    {
-        private const int SelfThreadHandle  = (0x1ffff << 15) | 0;
-        private const int SelfProcessHandle = (0x1ffff << 15) | 1;
-
-        private Horizon System;
-
-        private KHandleEntry[] Table;
-
-        private KHandleEntry TableHead;
-        private KHandleEntry NextFreeEntry;
-
-        private int ActiveSlotsCount;
-
-        private int Size;
-
-        private ushort IdCounter;
-
-        private object LockObj;
-
-        public KProcessHandleTable(Horizon System, int Size = 1024)
-        {
-            this.System = System;
-            this.Size   = Size;
-
-            IdCounter = 1;
-
-            Table = new KHandleEntry[Size];
-
-            TableHead = new KHandleEntry(0);
-
-            KHandleEntry Entry = TableHead;
-
-            for (int Index = 0; Index < Size; Index++)
-            {
-                Table[Index] = Entry;
-
-                Entry.Next = new KHandleEntry(Index + 1);
-
-                Entry = Entry.Next;
-            }
-
-            Table[Size - 1].Next = null;
-
-            NextFreeEntry = TableHead;
-
-            LockObj = new object();
-        }
-
-        public KernelResult GenerateHandle(object Obj, out int Handle)
-        {
-            Handle = 0;
-
-            lock (LockObj)
-            {
-                if (ActiveSlotsCount >= Size)
-                {
-                    return KernelResult.HandleTableFull;
-                }
-
-                KHandleEntry Entry = NextFreeEntry;
-
-                NextFreeEntry = Entry.Next;
-
-                Entry.Obj      = Obj;
-                Entry.HandleId = IdCounter;
-
-                ActiveSlotsCount++;
-
-                Handle = (int)((IdCounter << 15) & (uint)0xffff8000) | Entry.Index;
-
-                if ((short)(IdCounter + 1) >= 0)
-                {
-                    IdCounter++;
-                }
-                else
-                {
-                    IdCounter = 1;
-                }
-            }
-
-            return KernelResult.Success;
-        }
-
-        public bool CloseHandle(int Handle)
-        {
-            if ((Handle >> 30) != 0 ||
-                Handle == SelfThreadHandle ||
-                Handle == SelfProcessHandle)
-            {
-                return false;
-            }
-
-            int Index    = (Handle >>  0) & 0x7fff;
-            int HandleId = (Handle >> 15);
-
-            bool Result = false;
-
-            lock (LockObj)
-            {
-                if (HandleId != 0 && Index < Size)
-                {
-                    KHandleEntry Entry = Table[Index];
-
-                    if (Entry.Obj != null && Entry.HandleId == HandleId)
-                    {
-                        Entry.Obj  = null;
-                        Entry.Next = NextFreeEntry;
-
-                        NextFreeEntry = Entry;
-
-                        ActiveSlotsCount--;
-
-                        Result = true;
-                    }
-                }
-            }
-
-            return Result;
-        }
-
-        public T GetObject<T>(int Handle)
-        {
-            int Index    = (Handle >>  0) & 0x7fff;
-            int HandleId = (Handle >> 15);
-
-            lock (LockObj)
-            {
-                if ((Handle >> 30) == 0 && HandleId != 0)
-                {
-                    KHandleEntry Entry = Table[Index];
-
-                    if (Entry.HandleId == HandleId && Entry.Obj is T Obj)
-                    {
-                        return Obj;
-                    }
-                }
-            }
-
-            return default(T);
-        }
-
-        public KThread GetKThread(int Handle)
-        {
-            if (Handle == SelfThreadHandle)
-            {
-                return System.Scheduler.GetCurrentThread();
-            }
-            else
-            {
-                return GetObject<KThread>(Handle);
-            }
-        }
-
-        public void Destroy()
-        {
-            lock (LockObj)
-            {
-                for (int Index = 0; Index < Size; Index++)
-                {
-                    KHandleEntry Entry = Table[Index];
-
-                    if (Entry.Obj != null)
-                    {
-                        if (Entry.Obj is IDisposable DisposableObj)
-                        {
-                            DisposableObj.Dispose();
-                        }
-
-                        Entry.Obj  = null;
-                        Entry.Next = NextFreeEntry;
-
-                        NextFreeEntry = Entry;
-                    }
-                }
-            }
-        }
-    }
-}
\ No newline at end of file
-- 
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