Build OpenAMP from recipe

Change-Id: Id36d97fa3aa4a60179bedbdc078c4e1e75486a49
diff --git a/openamp/CMakeLists.txt b/openamp/CMakeLists.txt
new file mode 100644
index 0000000..801c0c8
--- /dev/null
+++ b/openamp/CMakeLists.txt
@@ -0,0 +1,72 @@
+#
+# SPDX-FileCopyrightText: Copyright 2022-2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+# 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
+#
+# 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.
+#
+
+function(build_openamp PROJECT_SYSTEM)
+    set(PROJECT_PROCESSOR "arm")
+    set(PROJECT_MACHINE "cortexm")
+
+    file(GLOB SRCS
+        # libmetal
+        libmetal/lib/*.c
+        libmetal/lib/system/${PROJECT_SYSTEM}/*.c
+        libmetal/lib/compiler/gcc/*.c
+
+        # Extra sources
+        src/system/${PROJECT_SYSTEM}/${PROJECT_MACHINE}/*.c
+
+        # OpenAMP
+#        openamp/lib/proxy/*.c
+        openamp/lib/remoteproc/*.c
+        openamp/lib/rpmsg/*.c
+#        openamp/lib/service/*.c
+        openamp/lib/virtio/*.c)
+
+    add_library(openamp-${PROJECT_SYSTEM} STATIC
+        ${SRCS})
+
+    target_include_directories(openamp-${PROJECT_SYSTEM}
+        PUBLIC
+            ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_SYSTEM}
+            openamp/lib/include
+            src/system/${PROJECT_SYSTEM})
+
+    target_compile_definitions(openamp-${PROJECT_SYSTEM} PRIVATE
+        OPENAMP_VERSION_MAJOR=0
+        OPENAMP_VERSION_MINOR=0
+        OPENAMP_VERSION_PATCH=0
+        OPENAMP_VERSION=0
+        $<$<STREQUAL:${CMAKE_CXX_COMPILER_ID},ARMClang>:__ICCARM__>
+        METAL_INTERNAL)
+
+    target_link_libraries(openamp-${PROJECT_SYSTEM} PRIVATE
+        cmsis_device
+        $<$<STREQUAL:${PROJECT_SYSTEM},freertos>:freertos_kernel>)
+
+    # Generate libmetal headers
+    file(GLOB_RECURSE HDRS RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}/libmetal/lib" "libmetal/lib/*.h")
+
+    foreach(HDR ${HDRS})
+        configure_file("libmetal/lib/${HDR}" "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_SYSTEM}/metal/${HDR}")
+    endforeach()
+endfunction()
+
+build_openamp(generic)
+
+if (TARGET freertos_kernel)
+    build_openamp(freertos)
+endif()