diff --git a/repos/base/src/core/main.cc b/repos/base/src/core/main.cc
index 5455baac83..45c6fd56df 100644
--- a/repos/base/src/core/main.cc
+++ b/repos/base/src/core/main.cc
@@ -38,6 +38,7 @@
 #include <io_mem_root.h>
 #include <irq_root.h>
 #include <trace/root.h>
+#include <topo_root.h>
 #include <platform_services.h>
 
 using namespace Genode;
@@ -267,6 +268,7 @@ int main()
 	                                platform().irq_alloc(), sliced_heap);
 	static Trace::Root trace_root  (core_ram_alloc, local_rm, ep, sliced_heap,
 	                                Trace::sources(), trace_policies);
+	static Topo_root topo_root(core_ram_alloc, local_rm, ep, sliced_heap);
 
 	static Core_service<Rom_session_component>    rom_service    (services, rom_root);
 	static Core_service<Rm_session_component>     rm_service     (services, rm_root);
@@ -276,6 +278,7 @@ int main()
 	static Core_service<Io_mem_session_component> io_mem_service (services, io_mem_root);
 	static Core_service<Irq_session_component>    irq_service    (services, irq_root);
 	static Core_service<Trace::Session_component> trace_service  (services, trace_root);
+	static Core_service<Topo_session_component> topo_service(services, topo_root);
 
 	/* make platform-specific services known to service pool */
 	platform_add_local_services(ep, sliced_heap, services, Trace::sources());
diff --git a/repos/base/src/lib/base/child.cc b/repos/base/src/lib/base/child.cc
index 42e557a09e..45d96ee399 100644
--- a/repos/base/src/lib/base/child.cc
+++ b/repos/base/src/lib/base/child.cc
@@ -759,7 +759,7 @@ void Child::_try_construct_env_dependent_members()
 {
 	/* check if the environment sessions are complete */
 	if (!_pd.cap().valid() || !_cpu.cap().valid() || !_log.cap().valid()
-	 || !_binary.cap().valid())
+	 || !_binary.cap().valid() || !_topo.cap().valid())
 		return;
 
 	/*
@@ -824,6 +824,7 @@ void Child::initiate_env_sessions()
 	_cpu   .initiate();
 	_log   .initiate();
 	_binary.initiate();
+	_topo.initiate();
 
 	/*
 	 * Issue environment-session request for obtaining the linker binary. We
@@ -909,6 +910,7 @@ void Child::close_all_sessions()
 	 * Issue close requests to the providers of the environment sessions,
 	 * which may be async services.
 	 */
+	_topo.close();
 	_log.close();
 	_binary.close();
 	if (_linker.constructed())
@@ -923,6 +925,7 @@ void Child::close_all_sessions()
 	_discard_env_session(Env::log());
 	_discard_env_session(Env::binary());
 	_discard_env_session(Env::linker());
+	_discard_env_session(Env::topo());
 
 	/*
 	 * Remove dynamically created sessions from the child's ID space.