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

1 files changed, 23 insertions, 8 deletions

diff --git a/Ryujinx.HLE/HOS/Kernel/KCoreContext.cs b/Ryujinx.HLE/HOS/Kernel/KCoreContext.cs
index 02354e16..638dde9e 100644
--- a/Ryujinx.HLE/HOS/Kernel/KCoreContext.cs
+++ b/Ryujinx.HLE/HOS/Kernel/KCoreContext.cs
@@ -1,5 +1,4 @@
 using Ryujinx.Common;
-using System;
 
 namespace Ryujinx.HLE.HOS.Kernel
 {
@@ -11,6 +10,10 @@ namespace Ryujinx.HLE.HOS.Kernel
 
         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; }
 
@@ -24,11 +27,6 @@ namespace Ryujinx.HLE.HOS.Kernel
         {
             SelectedThread = Thread;
 
-            if (Thread != null)
-            {
-                Thread.LastScheduledTicks = PerformanceCounter.ElapsedMilliseconds;
-            }
-
             if (SelectedThread != CurrentThread)
             {
                 ContextSwitchNeeded = true;
@@ -39,25 +37,42 @@ namespace Ryujinx.HLE.HOS.Kernel
         {
             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.GetThread(CurrentThread.Context.Work).Reset();
+                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.GetThread(CurrentThread.Context.Work).Set();
+                CoreManager.Set(CurrentThread.Context.Work);
 
                 CurrentThread.Context.Execute();
             }