diff --git a/os/include/dde_kit/spin_lock.h b/os/include/dde_kit/spin_lock.h
new file mode 100644
index 000000000..543f83a30
--- /dev/null
+++ b/os/include/dde_kit/spin_lock.h
@@ -0,0 +1,50 @@
+/*
+ * \brief   Spin lock
+ * \author  Norman Feske
+ * \date    2012-01-27
+ */
+
+/*
+ * Copyright (C) 2012 Genode Labs GmbH
+ *
+ * This file is part of the Genode OS framework, which is distributed
+ * under the terms of the GNU General Public License version 2.
+ */
+
+#ifndef _INCLUDE__DDE_KIT__SPIN_LOCK_H_
+#define _INCLUDE__DDE_KIT__SPIN_LOCK_H_
+
+/**
+ * Private spin lock type
+ */
+typedef volatile int dde_kit_spin_lock;
+
+enum { DDE_KIT_SPIN_LOCK_LOCKED, DDE_KIT_SPIN_LOCK_UNLOCKED };
+
+
+/**
+ * Initialize spin lock
+ *
+ * \param   out_lock  lock handle (output parameter)
+ *
+ * The created lock is free (not acquired) after initialization.
+ */
+void dde_kit_spin_lock_init(dde_kit_spin_lock *spin_lock);
+
+/**
+ * Acquire spin lock
+ */
+void dde_kit_spin_lock_lock(dde_kit_spin_lock *spin_lock);
+
+/**
+ * Try to acquire a lock (non-blocking)
+ */
+int dde_kit_spin_lock_try_lock(dde_kit_spin_lock *spin_lock);
+
+/**
+ * Release spin lock
+ */
+void dde_kit_spin_lock_unlock(dde_kit_spin_lock *spin_lock);
+
+
+#endif /* _INCLUDE__DDE_KIT__SPIN_LOCK_H_ */
diff --git a/os/lib/mk/dde_kit.mk b/os/lib/mk/dde_kit.mk
index f02fcdc14..7e47c8806 100644
--- a/os/lib/mk/dde_kit.mk
+++ b/os/lib/mk/dde_kit.mk
@@ -1,6 +1,6 @@
 SRC_C    = lock.cc semaphore.cc panic.cc printf.cc interrupt.cc pgtab.cc \
            memory.cc thread.cc pci_tree.cc pci.cc resources.cc timer.cc \
-           dde_kit.cc
+           dde_kit.cc spin_lock.cc
 LIBS     = thread alarm
 
 vpath % $(REP_DIR)/src/lib/dde_kit
diff --git a/os/src/lib/dde_kit/spin_lock.cc b/os/src/lib/dde_kit/spin_lock.cc
new file mode 100644
index 000000000..bbb052728
--- /dev/null
+++ b/os/src/lib/dde_kit/spin_lock.cc
@@ -0,0 +1,57 @@
+/*
+ * \brief   Spin lock
+ * \author  Norman Feske
+ * \date    2012-01-27
+ */
+
+/*
+ * Copyright (C) 2012 Genode Labs GmbH
+ *
+ * This file is part of the Genode OS framework, which is distributed
+ * under the terms of the GNU General Public License version 2.
+ */
+
+#include <base/env.h>
+#include <cpu/atomic.h>
+#include <base/printf.h>
+
+extern "C" {
+#include <dde_kit/spin_lock.h>
+}
+
+
+static inline void spinlock_lock(volatile int *lock_variable)
+{
+	while (!Genode::cmpxchg(lock_variable, DDE_KIT_SPIN_LOCK_UNLOCKED,
+	                                       DDE_KIT_SPIN_LOCK_LOCKED));
+}
+
+
+extern "C" void dde_kit_spin_lock_init(dde_kit_spin_lock *spin_lock)
+{
+	*spin_lock = DDE_KIT_SPIN_LOCK_UNLOCKED;
+}
+
+
+extern "C" void dde_kit_spin_lock_lock(dde_kit_spin_lock *spin_lock)
+{
+	spinlock_lock(spin_lock);
+}
+
+
+extern "C" int dde_kit_spin_lock_try_lock(dde_kit_spin_lock *spin_lock)
+{
+	PERR("not implemented - will potentially block");
+
+	spinlock_lock(spin_lock);
+
+	/* success */
+	return 0;
+}
+
+
+extern "C" void dde_kit_spin_lock_unlock(dde_kit_spin_lock *spin_lock)
+{
+	*spin_lock = DDE_KIT_SPIN_LOCK_UNLOCKED;
+}
+