diff --git a/CMakeLists.txt b/CMakeLists.txt
index a52f0de..0f981aa 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,6 +11,7 @@ include(Meta)
 include(Sysroot)
 include(BSP)
 include(Arch)
+include(Msg-Interface)
 include(Templates)
 
 bsp_reset()
diff --git a/cmake/Msg-Interface.cmake b/cmake/Msg-Interface.cmake
new file mode 100644
index 0000000..cc92f53
--- /dev/null
+++ b/cmake/Msg-Interface.cmake
@@ -0,0 +1,75 @@
+find_program(IFC
+	NAMES ifc
+	REQUIRED
+	HINTS ${BUILD_TOOLS_DIR})
+message(STATUS "Found interface compiler: ${IFC}")
+
+function(add_interface)
+	set(options)
+	set(one_value_args NAME PARENT_DIR PATH)
+	set(multi_value_args)
+
+	cmake_parse_arguments(PARSE_ARGV 0 arg
+		"${options}"
+		"${one_value_args}"
+		"${multi_value_args}")
+
+	message(STATUS "Building interface ${arg_NAME}")
+	file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/${arg_PARENT_DIR})
+	set(header_path ${CMAKE_CURRENT_BINARY_DIR}/${arg_PARENT_DIR}/${arg_NAME}.h)
+
+	add_custom_command(
+		OUTPUT ${header_path}
+		COMMAND	${IFC} ${arg_PATH}
+		WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/${arg_PARENT_DIR}
+		COMMENT "Compiling interface: ${arg_NAME}")
+
+	add_custom_target(ifgen-${arg_NAME} ALL
+		DEPENDS ${header_path})
+
+	set_target_properties(ifgen-${arg_NAME} PROPERTIES
+		iface_header_path ${header_path}
+		iface_parent_dir ${arg_PARENT_DIR})
+
+	add_library(iflib-${arg_NAME} INTERFACE)
+	set_target_properties(iflib-${arg_NAME} PROPERTIES
+		INTERFACE_INCLUDE_DIRECTORIES ${CMAKE_CURRENT_BINARY_DIR})
+	add_dependencies(iflib-${arg_NAME} ifgen-${arg_NAME})
+	add_library(interface::${arg_NAME} ALIAS iflib-${arg_NAME})
+endfunction(add_interface)
+
+function(iface_get_header_path)
+	set(options)
+	set(one_value_args NAME OUT)
+	set(multi_value_args)
+
+	cmake_parse_arguments(PARSE_ARGV 0 arg
+		"${options}"
+		"${one_value_args}"
+		"${multi_value_args}")
+
+	get_property(
+		value
+		TARGET ifgen-${name}
+		PROPERTY iface_header_path)
+
+	set(${arg_OUT} ${value} PARENT_SCOPE)
+endfunction(iface_get_header_path)
+
+function(iface_get_parent_dir)
+	set(options)
+	set(one_value_args NAME OUT)
+	set(multi_value_args)
+
+	cmake_parse_arguments(PARSE_ARGV 0 arg
+		"${options}"
+		"${one_value_args}"
+		"${multi_value_args}")
+
+	get_property(
+		value
+		TARGET ifgen-${name}
+		PROPERTY iface_parent_dir)
+
+	set(${arg_OUT} ${value} PARENT_SCOPE)
+endfunction(iface_get_parent_dir)
diff --git a/cmake/Sysroot.cmake b/cmake/Sysroot.cmake
index 01289e1..5aa01cb 100644
--- a/cmake/Sysroot.cmake
+++ b/cmake/Sysroot.cmake
@@ -186,6 +186,37 @@ function(sysroot_add_file)
 	set_property(GLOBAL PROPERTY sysroot_target_list ${sysroot_targets} ${sysroot_target_name})
 endfunction(sysroot_add_file)
 
+function(sysroot_add_interface)
+	set(options)
+	set(one_value_args NAME DEST_DIR)
+	set(multi_value_args DEPENDS)
+
+	cmake_parse_arguments(PARSE_ARGV 0 arg
+		"${options}"
+		"${one_value_args}"
+		"${multi_value_args}")
+
+	iface_get_header_path(NAME ${arg_NAME} OUT src_path)
+	iface_get_parent_dir(NAME ${arg_NAME} OUT parent_dir)
+	set(dest_dir ${arg_DEST_DIR}/${parent_dir})
+	set(sysroot_target_name _sysroot-iface-${arg_NAME})
+
+	get_property(sysroot_targets GLOBAL PROPERTY sysroot_target_list)
+	list(LENGTH sysroot_targets nr_sysroot_targets)
+	if (${nr_sysroot_targets} GREATER 0)
+		math(EXPR serialiser_index "${nr_sysroot_targets}-1")
+		list(GET sysroot_targets ${serialiser_index} serialiser)
+	endif ()
+
+	add_custom_target(${sysroot_target_name}
+		COMMAND	${Python_EXECUTABLE} ${sysroot_tool}
+			add-binary ${sysroot_manifest} ${arg_NAME}
+			${dest_dir} ${src_path}
+		COMMENT "Preparing sysroot component: ${arg_ID}"
+		DEPENDS ifgen-${arg_NAME} ${serialiser} ${arg_DEPENDS})
+
+	set_property(GLOBAL PROPERTY sysroot_target_list ${sysroot_targets} ${sysroot_target_name})
+endfunction(sysroot_add_interface)
 
 function(sysroot_finalise)
 	get_property(sysroot_targets GLOBAL PROPERTY sysroot_target_list)