samples: openamp: Port sample to use multi-image

Port the openamp sample to use multi-image.

Signed-off-by: Sebastian Bøe <[email protected]>

Author: SebastianBoe

samples/subsys/ipc/openamp/CMakeLists.txt

@@ -5,6 +5,8 @@ cmake_minimum_required(VERSION 3.13.1)
 #
 set(BOARD lpcxpresso54114_m4)
 
+list(APPEND ZEPHYR_EXTRA_MODULES ${CMAKE_CURRENT_LIST_DIR}/remote)
+
 include($ENV{ZEPHYR_BASE}/cmake/app/boilerplate.cmake NO_POLICY_SCOPE)
 project(openamp)
 
@@ -16,15 +18,4 @@ enable_language(C ASM)
 
 target_sources(app PRIVATE src/main.c)
 
-include(ExternalProject)
-
-ExternalProject_Add(
-  openamp_remote
-  SOURCE_DIR ${APPLICATION_SOURCE_DIR}/remote
-  INSTALL_COMMAND ""      # This particular build system has no install command
-  BUILD_BYPRODUCTS "${CMAKE_CURRENT_BINARY_DIR}/openamp_remote-prefix/src/openamp_remote-build/zephyr/zephyr.bin"
-  # NB: Do we need to pass on more CMake variables?
-)
-add_dependencies(${IMAGE}core_m0_inc_target openamp_remote)
-
 target_include_directories(app PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})

samples/subsys/ipc/openamp/Kconfig

@@ -0,0 +1,12 @@
+#
+# Copyright (c) 2019 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+mainmenu "OpenAMP sample application"
+
+image = REMOTE
+source "cmake/Kconfig.template.build_strategy"
+
+source "Kconfig.zephyr"

samples/subsys/ipc/openamp/prj.conf

@@ -2,7 +2,7 @@ CONFIG_PRINTK=y
 CONFIG_IPM=y
 CONFIG_IPM_MCUX=y
 CONFIG_SLAVE_CORE_MCUX=y
-CONFIG_SLAVE_IMAGE_MCUX="${ZEPHYR_BINARY_DIR}/../openamp_remote-prefix/src/openamp_remote-build/zephyr/zephyr.bin"
+CONFIG_SLAVE_IMAGE_MCUX="${CMAKE_BINARY_DIR}/remote/zephyr/zephyr.bin"
 CONFIG_TIMESLICE_SIZE=1
 CONFIG_MAIN_STACK_SIZE=2048
 CONFIG_HEAP_MEM_POOL_SIZE=4096

samples/subsys/ipc/openamp/remote/CMakeLists.txt

@@ -12,5 +12,5 @@ if(NOT ("${BOARD}" STREQUAL "lpcxpresso54114_m0"))
   message(FATAL_ERROR "${BOARD} was specified, but this sample only supports lpcxpresso54114_m0")
 endif()
 
-target_sources(app PRIVATE src/main.c)
-target_include_directories(app PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/..)
+zephyr_library_sources(src/main.c)
+zephyr_library_include_directories(${CMAKE_CURRENT_SOURCE_DIR}/..)

samples/subsys/ipc/openamp/remote/zephyr/CMakeLists.txt

@@ -0,0 +1,9 @@
+# SPDX-License-Identifier: Apache-2.0
+
+if(FIRST_BOILERPLATE_EXECUTION)
+  zephyr_add_image(remote output_variable)
+
+  if(output_variable)
+    add_subdirectory(${CMAKE_CURRENT_LIST_DIR}/.. ${CMAKE_BINARY_DIR}/remote)
+  endif()
+endif()