Work on CPU, codegen skeleton, and thunk.

src/cpu/xethunk/xethunk.c

@@ -0,0 +1,39 @@
+/**
+ ******************************************************************************
+ * 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. *
+ ******************************************************************************
+ */
+
+/**
+ * This file is compiled with clang to produce LLVM bitcode.
+ * When the emulator goes to build a full module it then imports this code into
+ * the generated module to provide globals/other shared values.
+ *
+ * Changes to this file require building a new version and checking it into the
+ * repo on a machine that has clang.
+ *
+ *     # rebuild the xethunk.bc/.ll files:
+ *     xb xethunk
+ */
+
+// NOTE: only headers in this directory should be included.
+#include "xethunk.h"
+
+
+// The base pointer that all guest addresses should be relative to.
+static void* xe_memory_base;
+
+
+int xe_module_init(xe_module_init_options_t *options) {
+  xe_memory_base = options->memory_base;
+
+  // TODO(benvanik): setup call table, etc?
+
+  return 0;
+}
+
+void xe_module_uninit() {
+}