diff --git a/libgralloc/gralloc.cpp b/libgralloc/gralloc.cpp
new file mode 100644
index 0000000..a98baf8
--- /dev/null
+++ b/libgralloc/gralloc.cpp
@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2008, The Android Open Source Project
+ * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <unistd.h>
+#include <fcntl.h>
+
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <cutils/properties.h>
+#include <utils/RefBase.h>
+
+#include <linux/android_pmem.h>
+
+#include "gr.h"
+#include "gpu.h"
+#include "memalloc.h"
+#include "alloc_controller.h"
+
+using namespace gralloc;
+using android::sp;
+
+int fb_device_open(const hw_module_t* module, const char* name,
+        hw_device_t** device);
+
+static int gralloc_device_open(const hw_module_t* module, const char* name,
+        hw_device_t** device);
+
+extern int gralloc_lock(gralloc_module_t const* module,
+        buffer_handle_t handle, int usage,
+        int l, int t, int w, int h,
+        void** vaddr);
+
+extern int gralloc_unlock(gralloc_module_t const* module,
+        buffer_handle_t handle);
+
+extern int gralloc_register_buffer(gralloc_module_t const* module,
+        buffer_handle_t handle);
+
+extern int gralloc_unregister_buffer(gralloc_module_t const* module,
+        buffer_handle_t handle);
+
+extern int gralloc_perform(struct gralloc_module_t const* module,
+        int operation, ... );
+
+// HAL module methods
+static struct hw_module_methods_t gralloc_module_methods = {
+    open: gralloc_device_open
+};
+
+// HAL module initialize
+struct private_module_t HAL_MODULE_INFO_SYM = {
+    base: {
+        common: {
+            tag: HARDWARE_MODULE_TAG,
+            version_major: 1,
+            version_minor: 0,
+            id: GRALLOC_HARDWARE_MODULE_ID,
+            name: "Graphics Memory Allocator Module",
+            author: "The Android Open Source Project",
+            methods: &gralloc_module_methods,
+            dso: 0,
+            reserved: {0},
+        },
+        registerBuffer: gralloc_register_buffer,
+        unregisterBuffer: gralloc_unregister_buffer,
+        lock: gralloc_lock,
+        unlock: gralloc_unlock,
+        perform: gralloc_perform,
+        reserved_proc: {0},
+    },
+    framebuffer: 0,
+    fbFormat: 0,
+    flags: 0,
+    numBuffers: 0,
+    bufferMask: 0,
+    lock: PTHREAD_MUTEX_INITIALIZER,
+    currentBuffer: 0,
+};
+
+// Open Gralloc device
+int gralloc_device_open(const hw_module_t* module, const char* name,
+        hw_device_t** device)
+{
+    int status = -EINVAL;
+    if (!strcmp(name, GRALLOC_HARDWARE_GPU0)) {
+        const private_module_t* m = reinterpret_cast<const private_module_t*>(
+                module);
+        gpu_context_t *dev;
+        sp<IAllocController> alloc_ctrl = IAllocController::getInstance(true);
+        dev = new gpu_context_t(m, alloc_ctrl);
+        *device = &dev->common;
+        status = 0;
+    } else {
+        status = fb_device_open(module, name, device);
+    }
+    return status;
+}