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
2018-11-28 20:18:09 -02:00 · 2018-11-28 20:18:09 -02:00 · 00579927e4
commit 00579927e4
parent e7fe7d7247
119 changed files with 7998 additions and 3232 deletions
--- a/Ryujinx.HLE/HOS/Kernel/KernelTransfer.cs
+++ b/Ryujinx.HLE/HOS/Kernel/KernelTransfer.cs
@ -0,0 +1,71 @@
+using ChocolArm64.Memory;
+
+namespace Ryujinx.HLE.HOS.Kernel
+{
+    static class KernelTransfer
+    {
+        public static bool UserToKernelInt32(Horizon System, long Address, out int Value)
+        {
+            KProcess CurrentProcess = System.Scheduler.GetCurrentProcess();
+
+            if (CurrentProcess.CpuMemory.IsMapped(Address) &&
+                CurrentProcess.CpuMemory.IsMapped(Address + 3))
+            {
+                Value = CurrentProcess.CpuMemory.ReadInt32(Address);
+
+                return true;
+            }
+
+            Value = 0;
+
+            return false;
+        }
+
+        public static bool UserToKernelString(Horizon System, long Address, int Size, out string Value)
+        {
+            KProcess CurrentProcess = System.Scheduler.GetCurrentProcess();
+
+            if (CurrentProcess.CpuMemory.IsMapped(Address) &&
+                CurrentProcess.CpuMemory.IsMapped(Address + Size - 1))
+            {
+                Value = MemoryHelper.ReadAsciiString(CurrentProcess.CpuMemory, Address, Size);
+
+                return true;
+            }
+
+            Value = null;
+
+            return false;
+        }
+
+        public static bool KernelToUserInt32(Horizon System, long Address, int Value)
+        {
+            KProcess CurrentProcess = System.Scheduler.GetCurrentProcess();
+
+            if (CurrentProcess.CpuMemory.IsMapped(Address) &&
+                CurrentProcess.CpuMemory.IsMapped(Address + 3))
+            {
+                CurrentProcess.CpuMemory.WriteInt32ToSharedAddr(Address, Value);
+
+                return true;
+            }
+
+            return false;
+        }
+
+        public static bool KernelToUserInt64(Horizon System, long Address, long Value)
+        {
+            KProcess CurrentProcess = System.Scheduler.GetCurrentProcess();
+
+            if (CurrentProcess.CpuMemory.IsMapped(Address) &&
+                CurrentProcess.CpuMemory.IsMapped(Address + 7))
+            {
+                CurrentProcess.CpuMemory.WriteInt64(Address, Value);
+
+                return true;
+            }
+
+            return false;
+        }
+    }
+}