PLUGINS: Move platform specific code out of the generic ELF loader.

Instead overwrite pure virtual functions in a backend specific class.

svn-id: r52556

2 files changed, 82 insertions, 11 deletions

diff --git a/backends/plugins/wii/wii-provider.cpp b/backends/plugins/wii/wii-provider.cpp
new file mode 100644
index 0000000000..25f54f02de
--- /dev/null
+++ b/backends/plugins/wii/wii-provider.cpp
@@ -0,0 +1,75 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#if defined(DYNAMIC_MODULES) && defined(__WII__)
+
+#include <malloc.h>
+#include <ogc/cache.h>
+
+#include "backends/plugins/wii/wii-provider.h"
+#include "backends/plugins/elf/ppc-loader.h"
+
+class WiiDLObject : public PPCDLObject {
+public:
+	WiiDLObject() :
+		PPCDLObject() {
+	}
+
+	virtual ~WiiDLObject() {
+		unload();
+	}
+
+protected:
+	virtual void *allocSegment(size_t boundary, size_t size) const {
+		return memalign(boundary, size);
+	}
+
+	virtual void freeSegment(void *segment) const {
+		free(segment);
+	}
+
+	virtual void flushDataCache(void *ptr, uint32 len) const {
+		DCFlushRange(ptr, len);
+		ICInvalidateRange(ptr, len);
+	}
+};
+
+class WiiPlugin : public ELFPlugin {
+public:
+	WiiPlugin(const Common::String &filename) :
+		ELFPlugin(filename) {
+	}
+
+	virtual DLObject *makeDLObject() {
+		return new WiiDLObject();
+	}
+};
+
+Plugin *WiiPluginProvider::createPlugin(const Common::FSNode &node) const {
+	return new WiiPlugin(node.getPath());
+}
+
+#endif // defined(DYNAMIC_MODULES) && defined(__WII__)
+
diff --git a/backends/plugins/wii/wii-provider.h b/backends/plugins/wii/wii-provider.h
index deb143b02a..a29f1da931 100644
--- a/backends/plugins/wii/wii-provider.h
+++ b/backends/plugins/wii/wii-provider.h
@@ -25,21 +25,17 @@
 
 #if defined(DYNAMIC_MODULES) && defined(__WII__)
 
+#ifndef BACKENDS_PLUGINS_WII_PROVIDER_H
+#define BACKENDS_PLUGINS_WII_PROVIDER_H
+
 #include "backends/plugins/elf/elf-provider.h"
-#include "backends/plugins/elf/ppc-loader.h"
 
 class WiiPluginProvider : public ELFPluginProvider {
-	class WiiPlugin : public ELFPlugin {
-	public:
-		WiiPlugin(const Common::String &filename) : ELFPlugin(filename) {}
-
-		DLObject *makeDLObject() { return new PPCDLObject(); }
-	};
-
 public:
-	Plugin* createPlugin(const Common::FSNode &node) const {
-		return new WiiPlugin(node.getPath());
-	}
+	Plugin *createPlugin(const Common::FSNode &node) const;
 };
 
+#endif // BACKENDS_PLUGINS_WII_PROVIDER_H
+
 #endif // defined(DYNAMIC_MODULES) && defined(__WII__)
+