Refactor SVC handler (#540)

* Refactor SVC handler

* Get rid of KernelErr

* Split kernel code files into multiple folders

1 files changed, 81 insertions, 0 deletions

diff --git a/Ryujinx.HLE/HOS/Kernel/Threading/KCoreContext.cs b/Ryujinx.HLE/HOS/Kernel/Threading/KCoreContext.cs
new file mode 100644
index 00000000..81cd8883
--- /dev/null
+++ b/Ryujinx.HLE/HOS/Kernel/Threading/KCoreContext.cs
@@ -0,0 +1,81 @@
+using Ryujinx.Common;
+
+namespace Ryujinx.HLE.HOS.Kernel.Threading
+{
+    class KCoreContext
+    {
+        private KScheduler _scheduler;
+
+        private HleCoreManager _coreManager;
+
+        public bool ContextSwitchNeeded { get; private set; }
+
+        public long LastContextSwitchTime { get; private set; }
+
+        public long TotalIdleTimeTicks { get; private set; } //TODO
+
+        public KThread CurrentThread  { get; private set; }
+        public KThread SelectedThread { get; private set; }
+
+        public KCoreContext(KScheduler scheduler, HleCoreManager coreManager)
+        {
+            _scheduler   = scheduler;
+            _coreManager = coreManager;
+        }
+
+        public void SelectThread(KThread thread)
+        {
+            SelectedThread = thread;
+
+            if (SelectedThread != CurrentThread)
+            {
+                ContextSwitchNeeded = true;
+            }
+        }
+
+        public void UpdateCurrentThread()
+        {
+            ContextSwitchNeeded = false;
+
+            LastContextSwitchTime = PerformanceCounter.ElapsedMilliseconds;
+
+            CurrentThread = SelectedThread;
+
+            if (CurrentThread != null)
+            {
+                long currentTime = PerformanceCounter.ElapsedMilliseconds;
+
+                CurrentThread.TotalTimeRunning += currentTime - CurrentThread.LastScheduledTime;
+                CurrentThread.LastScheduledTime = currentTime;
+            }
+        }
+
+        public void ContextSwitch()
+        {
+            ContextSwitchNeeded = false;
+
+            LastContextSwitchTime = PerformanceCounter.ElapsedMilliseconds;
+
+            if (CurrentThread != null)
+            {
+                _coreManager.Reset(CurrentThread.Context.Work);
+            }
+
+            CurrentThread = SelectedThread;
+
+            if (CurrentThread != null)
+            {
+                long currentTime = PerformanceCounter.ElapsedMilliseconds;
+
+                CurrentThread.TotalTimeRunning += currentTime - CurrentThread.LastScheduledTime;
+                CurrentThread.LastScheduledTime = currentTime;
+
+                CurrentThread.ClearExclusive();
+
+                _coreManager.Set(CurrentThread.Context.Work);
+
+                CurrentThread.Context.Execute();
+            }
+        }
+    }
+}
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