moved xsemaphore to xthread.d

add typed guest pointer template
add X_KSPINLOCK, rework spinlock functions.
rework irql related code, use irql on pcr instead of on XThread
add guest linked list helper functions
renamed ProcessInfoBlock to X_KPROCESS
assigned names to many kernel structure fields

src/xenia/memory.h

@@ -20,7 +20,7 @@
 #include "xenia/base/memory.h"
 #include "xenia/base/mutex.h"
 #include "xenia/cpu/mmio_handler.h"
-
+#include "xenia/guest_pointers.h"
 namespace xe {
 class ByteStream;
 }  // namespace xe
@@ -369,6 +369,10 @@ class Memory {
 
 #endif
   }
+  template <typename T>
+  inline T* TranslateVirtual(TypedGuestPointer<T> guest_address) {
+    return TranslateVirtual<T*>(guest_address.m_ptr);
+  }
 
   // Base address of physical memory in the host address space.
   // This is often something like 0x200000000.