Shuffling kernel util types to util/.

src/xenia/kernel/util/native_list.h

@@ -0,0 +1,52 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2013 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#ifndef XENIA_KERNEL_UTIL_NATIVE_LIST_H_
+#define XENIA_KERNEL_UTIL_NATIVE_LIST_H_
+
+#include "xenia/memory.h"
+#include "xenia/xbox.h"
+
+namespace xe {
+namespace kernel {
+namespace util {
+
+// List is designed for storing pointers to objects in the guest heap.
+// All values in the list should be assumed to be in big endian.
+
+// Pass LIST_ENTRY pointers.
+// struct MYOBJ {
+//   uint32_t stuff;
+//   LIST_ENTRY list_entry; <-- pass this
+//   ...
+// }
+
+class NativeList {
+ public:
+  explicit NativeList(Memory* memory);
+
+  void Insert(uint32_t list_entry_ptr);
+  bool IsQueued(uint32_t list_entry_ptr);
+  void Remove(uint32_t list_entry_ptr);
+  uint32_t Shift();
+  bool HasPending();
+
+ private:
+  const uint32_t kInvalidPointer = 0xE0FE0FFF;
+
+ private:
+  Memory* memory_;
+  uint32_t head_;
+};
+
+}  // namespace util
+}  // namespace kernel
+}  // namespace xe
+
+#endif  // XENIA_KERNEL_UTIL_NATIVE_LIST_H_