Stubs for XLIVEBASE.

Fixes #159.

src/xenia/kernel/apps/xlivebase_app.cc

@@ -0,0 +1,59 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2015 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#include "xenia/kernel/apps/xlivebase_app.h"
+
+#include "poly/threading.h"
+
+namespace xe {
+namespace kernel {
+namespace apps {
+
+XXLiveBaseApp::XXLiveBaseApp(KernelState* kernel_state)
+    : XApp(kernel_state, 0xFC) {}
+
+// http://mb.mirage.org/bugzilla/xliveless/main.c
+
+X_RESULT XXLiveBaseApp::DispatchMessageSync(uint32_t message,
+                                            uint32_t buffer_ptr,
+                                            uint32_t buffer_length) {
+  // NOTE: buffer_length may be zero or valid.
+  switch (message) {
+    case 0x00058004: {
+      // Called on startup, seems to just return a bool in the buffer.
+      assert_true(!buffer_length || buffer_length == 4);
+      XELOGD("XLiveBaseGetLogonId(%.8X)", buffer_ptr);
+      poly::store_and_swap<uint32_t>(membase_ + buffer_ptr + 0, 1);  // ?
+      return X_ERROR_SUCCESS;
+    }
+    case 0x00058020: {
+      // 0x00058004 is called right before this.
+      // We should create a XamEnumerate-able empty list here, but I'm not
+      // sure of the format.
+      // buffer_length seems to be the same ptr sent to 0x00058004.
+      XELOGD("XLiveBaseFriendsCreateEnumerator(%.8X, %.8X) unimplemented",
+             buffer_ptr, buffer_length);
+      return X_ERROR_FUNCTION_FAILED;
+    }
+    case 0x00058023: {
+      XELOGD("XliveBaseUnk58023(%.8X, %.8X) unimplemented", buffer_ptr,
+             buffer_length);
+      return X_ERROR_FUNCTION_FAILED;
+    }
+  }
+  XELOGE(
+      "Unimplemented XLIVEBASE message app=%.8X, msg=%.8X, arg1=%.8X, "
+      "arg2=%.8X",
+      app_id(), message, buffer_ptr, buffer_length);
+  return X_ERROR_NOT_FOUND;
+}
+
+}  // namespace apps
+}  // namespace kernel
+}  // namespace xe