meta-arm/meta-arm-bsp/recipes-security/trusted-services/corstone1000/0001-Add-openamp-to-SE-proxy-deployment.patch - openbmc/openbmc - Gitiles

 From 7c9589c4bb056db5e1696f2a777891ab235b1b63 Mon Sep 17 00:00:00 2001
 From: Vishnu Banavath <vishnu.banavath@arm.com>
 Date: Fri, 3 Dec 2021 16:36:51 +0000
 Subject: [PATCH 01/19] Add openamp to SE proxy deployment

 Openamp is required to communicate between secure partitions(running on
 Cortex-A) and trusted-firmware-m(running on Cortex-M).
 These changes are to fetch libmetal and openamp from github repo's
 and build it.

 Upstream-Status: Pending
 Signed-off-by: Vishnu Banavath <vishnu.banavath@arm.com>
 Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
 ---
  deployments/se-proxy/opteesp/lse.S            | 28 ++++++++
  deployments/se-proxy/se-proxy.cmake           |  8 +++
  external/openamp/libmetal-init-cache.cmake.in | 20 ++++++
  external/openamp/libmetal.cmake               | 67 +++++++++++++++++++
  external/openamp/openamp-init-cache.cmake.in  | 20 ++++++
  external/openamp/openamp.cmake                | 66 ++++++++++++++++++
  6 files changed, 209 insertions(+)
  create mode 100644 deployments/se-proxy/opteesp/lse.S
  create mode 100644 external/openamp/libmetal-init-cache.cmake.in
  create mode 100644 external/openamp/libmetal.cmake
  create mode 100644 external/openamp/openamp-init-cache.cmake.in
  create mode 100644 external/openamp/openamp.cmake

 diff --git a/deployments/se-proxy/opteesp/lse.S b/deployments/se-proxy/opteesp/lse.S
 new file mode 100644
 index 000000000000..8e466d65fc2b
 --- /dev/null
 +++ b/deployments/se-proxy/opteesp/lse.S
 @@ -0,0 +1,28 @@
 +// SPDX-License-Identifier: BSD-3-Clause
 +/*
 + * Copyright (c) 2021, Arm Limited and Contributors. All rights reserved.
 + */
 +
 +.text
 +.globl __aarch64_cas4_acq_rel
 +.globl __aarch64_cas4_sync
 +
 +__aarch64_cas4_acq_rel:
 +	mov	w16, w0
 +	ldaxr	w0, [x2]
 +	cmp	w0, w16
 +0:	bne	1f
 +
 +	stlxr	w17, w1, [x2]
 +	cbnz	w17, 0b
 +1:	ret
 +
 +__aarch64_cas4_sync:
 +	mov	w16, w0
 +	ldxr	w0, [x2]
 +	cmp	w0, w16
 +0:	bne	1f
 +
 +	stlxr	w17, w1, [x2]
 +	cbnz	w17, 0b
 +1:	ret
 diff --git a/deployments/se-proxy/se-proxy.cmake b/deployments/se-proxy/se-proxy.cmake
 index 426c66c05350..d39873a0fe81 100644
 --- a/deployments/se-proxy/se-proxy.cmake
 +++ b/deployments/se-proxy/se-proxy.cmake
 @@ -61,6 +61,7 @@ add_components(TARGET "se-proxy"
  target_sources(se-proxy PRIVATE
  	${CMAKE_CURRENT_LIST_DIR}/common/se_proxy_sp.c
  	${CMAKE_CURRENT_LIST_DIR}/common/service_proxy_factory.c
 +	${CMAKE_CURRENT_LIST_DIR}/opteesp/lse.S
  )

  #-------------------------------------------------------------------------------
 @@ -73,6 +74,13 @@ include(../../../external/nanopb/nanopb.cmake)
  target_link_libraries(se-proxy PRIVATE nanopb::protobuf-nanopb-static)
  protobuf_generate_all(TGT "se-proxy" NAMESPACE "protobuf" BASE_DIR "${TS_ROOT}/protocols")

 +# libmetal
 +include(../../../external/openamp/libmetal.cmake)
 +
 +# OpenAMP
 +include(../../../external/openamp/openamp.cmake)
 +target_link_libraries(se-proxy PRIVATE openamp libmetal)
 +
  #################################################################

  target_include_directories(se-proxy PRIVATE
 diff --git a/external/openamp/libmetal-init-cache.cmake.in b/external/openamp/libmetal-init-cache.cmake.in
 new file mode 100644
 index 000000000000..04c25fbde960
 --- /dev/null
 +++ b/external/openamp/libmetal-init-cache.cmake.in
 @@ -0,0 +1,20 @@
 +#-------------------------------------------------------------------------------
 +# Copyright (c) 2021-2022, Arm Limited and Contributors. All rights reserved.
 +# Copyright (c) 2021-2022, Linaro. All rights reserved.
 +#
 +# SPDX-License-Identifier: BSD-3-Clause
 +#
 +#-------------------------------------------------------------------------------
 +
 +set(CMAKE_INSTALL_PREFIX "@BUILD_INSTALL_DIR@" CACHE STRING "")
 +set(CMAKE_TOOLCHAIN_FILE "@TS_EXTERNAL_LIB_TOOLCHAIN_FILE@" CACHE STRING "")
 +set(BUILD_SHARED_LIBS Off CACHE BOOL "")
 +set(BUILD_STATIC_LIBS On CACHE BOOL "")
 +
 +set(WITH_DOC OFF CACHE BOOL "")
 +set(WITH_TESTS OFF CACHE BOOL "")
 +set(WITH_EXAMPLES OFF CACHE BOOL "")
 +set(WITH_DEFAULT_LOGGER OFF CACHE BOOL "")
 +set(MACHINE "template" CACHE STRING "")
 +
 +@_cmake_fragment@
 diff --git a/external/openamp/libmetal.cmake b/external/openamp/libmetal.cmake
 new file mode 100644
 index 000000000000..6e5004ff555c
 --- /dev/null
 +++ b/external/openamp/libmetal.cmake
 @@ -0,0 +1,67 @@
 +#-------------------------------------------------------------------------------
 +# Copyright (c) 2022 Linaro Limited
 +# Copyright (c) 2022, Arm Limited. All rights reserved.
 +#
 +# SPDX-License-Identifier: BSD-3-Clause
 +#
 +#-------------------------------------------------------------------------------
 +
 +set (LIBMETAL_URL "https://github.com/OpenAMP/libmetal.git"
 +		    CACHE STRING "libmetal repository URL")
 +set (LIBMETAL_INSTALL_DIR "${CMAKE_CURRENT_BINARY_DIR}/libmetal_install"
 +		    CACHE DIR "libmetal installation directory")
 +set(LIBMETAL_SOURCE_DIR "${CMAKE_CURRENT_BINARY_DIR}/_deps/libmetal"
 +		CACHE DIR "libmetal source-code")
 +set (LIBMETAL_PACKAGE_DIR "${LIBMETAL_INSTALL_DIR}/libmetal/cmake"
 +			    CACHE DIR "libmetal CMake package directory")
 +set (LIBMETAL_TARGET_NAME "libmetal")
 +set (LIBMETAL_REFSPEC "f252f0e007fbfb8b3a52b1d5901250ddac96baad"
 +			CACHE STRING "The version of libmetal to use")
 +set(LIBMETAL_BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}/_deps/libmetal-build")
 +
 +set(GIT_OPTIONS
 +    GIT_REPOSITORY ${LIBMETAL_URL}
 +    GIT_TAG ${LIBMETAL_REFSPEC}
 +    GIT_SHALLOW FALSE
 +)
 +
 +if(NOT LIBMETAL_DEBUG)
 +	set(LIBMETAL_BUILD_TYPE "Release")
 +else()
 +	set(LIBMETAL_BUILD_TYPE "Debug")
 +endif()
 +
 +include(FetchContent)
 +
 +# Checking git
 +find_program(GIT_COMMAND "git")
 +if (NOT GIT_COMMAND)
 +	message(FATAL_ERROR "Please install git")
 +endif()
 +
 +# Only pass libc settings to libmetal if needed. For environments where the
 +# standard library is not overridden, this is not needed.
 +if(TARGET stdlib::c)
 +	include(${TS_ROOT}/tools/cmake/common/PropertyCopy.cmake)
 +
 +	# Save libc settings
 +	save_interface_target_properties(TGT stdlib::c PREFIX LIBC)
 +	# Translate libc settings to cmake code fragment. Will be inserted into
 +	# libmetal-init-cache.cmake.in when LazyFetch configures the file.
 +	translate_interface_target_properties(PREFIX LIBC RES _cmake_fragment)
 +	unset_saved_properties(LIBC)
 +endif()
 +
 +include(${TS_ROOT}/tools/cmake/common/LazyFetch.cmake REQUIRED)
 +LazyFetch_MakeAvailable(DEP_NAME libmetal
 +    FETCH_OPTIONS "${GIT_OPTIONS}"
 +    INSTALL_DIR "${LIBMETAL_INSTALL_DIR}"
 +    CACHE_FILE "${TS_ROOT}/external/openamp/libmetal-init-cache.cmake.in"
 +    SOURCE_DIR "${LIBMETAL_SOURCE_DIR}"
 +)
 +unset(_cmake_fragment)
 +
 +#Create an imported target to have clean abstraction in the build-system.
 +add_library(libmetal STATIC IMPORTED)
 +set_property(TARGET libmetal PROPERTY IMPORTED_LOCATION "${LIBMETAL_INSTALL_DIR}/lib/${CMAKE_STATIC_LIBRARY_PREFIX}metal${CMAKE_STATIC_LIBRARY_SUFFIX}")
 +set_property(TARGET libmetal PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${LIBMETAL_INSTALL_DIR}/include")
 diff --git a/external/openamp/openamp-init-cache.cmake.in b/external/openamp/openamp-init-cache.cmake.in
 new file mode 100644
 index 000000000000..302b80511bce
 --- /dev/null
 +++ b/external/openamp/openamp-init-cache.cmake.in
 @@ -0,0 +1,20 @@
 +#-------------------------------------------------------------------------------
 +# Copyright (c) 2021-2022, Arm Limited and Contributors. All rights reserved.
 +# Copyright (c) 2021-2022, Linaro. All rights reserved.
 +#
 +# SPDX-License-Identifier: BSD-3-Clause
 +#
 +#-------------------------------------------------------------------------------
 +
 +set(CMAKE_INSTALL_PREFIX "@BUILD_INSTALL_DIR@" CACHE STRING "")
 +set(CMAKE_TOOLCHAIN_FILE "@TS_EXTERNAL_LIB_TOOLCHAIN_FILE@" CACHE STRING "")
 +set(BUILD_SHARED_LIBS Off CACHE BOOL "")
 +set(BUILD_STATIC_LIBS On CACHE BOOL "")
 +
 +set(LIBMETAL_INCLUDE_DIR "@CMAKE_CURRENT_BINARY_DIR@/libmetal_install/include" CACHE
 +    STRING "")
 +set(LIBMETAL_LIB "@CMAKE_CURRENT_BINARY_DIR@/libmetal_install/lib" CACHE STRING "")
 +set(RPMSG_BUFFER_SIZE "512" CACHE STRING "")
 +set(MACHINE "template" CACHE STRING "")
 +
 +@_cmake_fragment@
 diff --git a/external/openamp/openamp.cmake b/external/openamp/openamp.cmake
 new file mode 100644
 index 000000000000..449f35f4fda4
 --- /dev/null
 +++ b/external/openamp/openamp.cmake
 @@ -0,0 +1,66 @@
 +#-------------------------------------------------------------------------------
 +# Copyright (c) 2022 Linaro Limited
 +# Copyright (c) 2022, Arm Limited. All rights reserved.
 +#
 +# SPDX-License-Identifier: BSD-3-Clause
 +#
 +#-------------------------------------------------------------------------------
 +
 +set (OPENAMP_URL "https://github.com/OpenAMP/open-amp.git"
 +		    CACHE STRING "OpenAMP repository URL")
 +set (OPENAMP_INSTALL_DIR "${CMAKE_CURRENT_BINARY_DIR}/openamp_install"
 +			    CACHE DIR "OpenAMP installation directory")
 +set (OPENAMP_SOURCE_DIR "${CMAKE_CURRENT_BINARY_DIR}/_deps/openamp"
 +			    CACHE DIR "OpenAMP source code directory")
 +set (OPENAMP_PACKAGE_DIR "${OPENAMP_INSTALL_DIR}/openamp/cmake"
 +			    CACHE DIR "OpenAMP CMake package directory")
 +set (OPENAMP_TARGET_NAME "openamp")
 +set (OPENAMP_REFSPEC "347397decaa43372fc4d00f965640ebde042966d"
 +			CACHE STRING "The version of openamp to use")
 +
 +set(GIT_OPTIONS
 +    GIT_REPOSITORY ${OPENAMP_URL}
 +    GIT_TAG ${OPENAMP_REFSPEC}
 +    GIT_SHALLOW FALSE
 +)
 +
 +if(NOT OPENAMP_DEBUG)
 +	set(OPENAMP_BUILD_TYPE "Release")
 +else()
 +	set(OPENAMP_BUILD_TYPE "Debug")
 +endif()
 +
 +include(FetchContent)
 +
 +# Checking git
 +find_program(GIT_COMMAND "git")
 +if (NOT GIT_COMMAND)
 +	message(FATAL_ERROR "Please install git")
 +endif()
 +
 +# Only pass libc settings to openamp if needed. For environments where the
 +# standard library is not overridden, this is not needed.
 +if(TARGET stdlib::c)
 +	include(${TS_ROOT}/tools/cmake/common/PropertyCopy.cmake)
 +
 +	# Save libc settings
 +	save_interface_target_properties(TGT stdlib::c PREFIX LIBC)
 +	# Translate libc settings to cmake code fragment. Will be inserted into
 +	# libmetal-init-cache.cmake.in when LazyFetch configures the file.
 +	translate_interface_target_properties(PREFIX LIBC RES _cmake_fragment)
 +	unset_saved_properties(LIBC)
 +endif()
 +
 +include(${TS_ROOT}/tools/cmake/common/LazyFetch.cmake REQUIRED)
 +LazyFetch_MakeAvailable(DEP_NAME openamp
 +    FETCH_OPTIONS "${GIT_OPTIONS}"
 +    INSTALL_DIR "${OPENAMP_INSTALL_DIR}"
 +    CACHE_FILE "${TS_ROOT}/external/openamp/openamp-init-cache.cmake.in"
 +    SOURCE_DIR "${OPENAMP_SOURCE_DIR}"
 +)
 +unset(_cmake_fragment)
 +
 +#Create an imported target to have clean abstraction in the build-system.
 +add_library(openamp STATIC IMPORTED)
 +set_property(TARGET openamp PROPERTY IMPORTED_LOCATION "${OPENAMP_INSTALL_DIR}/lib/${CMAKE_STATIC_LIBRARY_PREFIX}open_amp${CMAKE_STATIC_LIBRARY_SUFFIX}")
 +set_property(TARGET openamp PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${OPENAMP_INSTALL_DIR}/include")
 --
 2.38.0
	From 7c9589c4bb056db5e1696f2a777891ab235b1b63 Mon Sep 17 00:00:00 2001
	From: Vishnu Banavath <vishnu.banavath@arm.com>
	Date: Fri, 3 Dec 2021 16:36:51 +0000
	Subject: [PATCH 01/19] Add openamp to SE proxy deployment

	Openamp is required to communicate between secure partitions(running on
	Cortex-A) and trusted-firmware-m(running on Cortex-M).
	These changes are to fetch libmetal and openamp from github repo's
	and build it.

	Upstream-Status: Pending
	Signed-off-by: Vishnu Banavath <vishnu.banavath@arm.com>
	Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
	---
	deployments/se-proxy/opteesp/lse.S \| 28 ++++++++
	deployments/se-proxy/se-proxy.cmake \| 8 +++
	external/openamp/libmetal-init-cache.cmake.in \| 20 ++++++
	external/openamp/libmetal.cmake \| 67 +++++++++++++++++++
	external/openamp/openamp-init-cache.cmake.in \| 20 ++++++
	external/openamp/openamp.cmake \| 66 ++++++++++++++++++
	6 files changed, 209 insertions(+)
	create mode 100644 deployments/se-proxy/opteesp/lse.S
	create mode 100644 external/openamp/libmetal-init-cache.cmake.in
	create mode 100644 external/openamp/libmetal.cmake
	create mode 100644 external/openamp/openamp-init-cache.cmake.in
	create mode 100644 external/openamp/openamp.cmake

	diff --git a/deployments/se-proxy/opteesp/lse.S b/deployments/se-proxy/opteesp/lse.S
	new file mode 100644
	index 000000000000..8e466d65fc2b
	--- /dev/null
	+++ b/deployments/se-proxy/opteesp/lse.S
	@@ -0,0 +1,28 @@
	+// SPDX-License-Identifier: BSD-3-Clause
	+/*
	+ * Copyright (c) 2021, Arm Limited and Contributors. All rights reserved.
	+ */
	+
	+.text
	+.globl __aarch64_cas4_acq_rel
	+.globl __aarch64_cas4_sync
	+
	+__aarch64_cas4_acq_rel:
	+ mov w16, w0
	+ ldaxr w0, [x2]
	+ cmp w0, w16
	+0: bne 1f
	+
	+ stlxr w17, w1, [x2]
	+ cbnz w17, 0b
	+1: ret
	+
	+__aarch64_cas4_sync:
	+ mov w16, w0
	+ ldxr w0, [x2]
	+ cmp w0, w16
	+0: bne 1f
	+
	+ stlxr w17, w1, [x2]
	+ cbnz w17, 0b
	+1: ret
	diff --git a/deployments/se-proxy/se-proxy.cmake b/deployments/se-proxy/se-proxy.cmake
	index 426c66c05350..d39873a0fe81 100644
	--- a/deployments/se-proxy/se-proxy.cmake
	+++ b/deployments/se-proxy/se-proxy.cmake
	@@ -61,6 +61,7 @@ add_components(TARGET "se-proxy"
	target_sources(se-proxy PRIVATE
	${CMAKE_CURRENT_LIST_DIR}/common/se_proxy_sp.c
	${CMAKE_CURRENT_LIST_DIR}/common/service_proxy_factory.c
	+ ${CMAKE_CURRENT_LIST_DIR}/opteesp/lse.S
	)

	#-------------------------------------------------------------------------------
	@@ -73,6 +74,13 @@ include(../../../external/nanopb/nanopb.cmake)
	target_link_libraries(se-proxy PRIVATE nanopb::protobuf-nanopb-static)
	protobuf_generate_all(TGT "se-proxy" NAMESPACE "protobuf" BASE_DIR "${TS_ROOT}/protocols")

	+# libmetal
	+include(../../../external/openamp/libmetal.cmake)
	+
	+# OpenAMP
	+include(../../../external/openamp/openamp.cmake)
	+target_link_libraries(se-proxy PRIVATE openamp libmetal)
	+
	#################################################################

	target_include_directories(se-proxy PRIVATE
	diff --git a/external/openamp/libmetal-init-cache.cmake.in b/external/openamp/libmetal-init-cache.cmake.in
	new file mode 100644
	index 000000000000..04c25fbde960
	--- /dev/null
	+++ b/external/openamp/libmetal-init-cache.cmake.in
	@@ -0,0 +1,20 @@
	+#-------------------------------------------------------------------------------
	+# Copyright (c) 2021-2022, Arm Limited and Contributors. All rights reserved.
	+# Copyright (c) 2021-2022, Linaro. All rights reserved.
	+#
	+# SPDX-License-Identifier: BSD-3-Clause
	+#
	+#-------------------------------------------------------------------------------
	+
	+set(CMAKE_INSTALL_PREFIX "@BUILD_INSTALL_DIR@" CACHE STRING "")
	+set(CMAKE_TOOLCHAIN_FILE "@TS_EXTERNAL_LIB_TOOLCHAIN_FILE@" CACHE STRING "")
	+set(BUILD_SHARED_LIBS Off CACHE BOOL "")
	+set(BUILD_STATIC_LIBS On CACHE BOOL "")
	+
	+set(WITH_DOC OFF CACHE BOOL "")
	+set(WITH_TESTS OFF CACHE BOOL "")
	+set(WITH_EXAMPLES OFF CACHE BOOL "")
	+set(WITH_DEFAULT_LOGGER OFF CACHE BOOL "")
	+set(MACHINE "template" CACHE STRING "")
	+
	+@_cmake_fragment@
	diff --git a/external/openamp/libmetal.cmake b/external/openamp/libmetal.cmake
	new file mode 100644
	index 000000000000..6e5004ff555c
	--- /dev/null
	+++ b/external/openamp/libmetal.cmake
	@@ -0,0 +1,67 @@
	+#-------------------------------------------------------------------------------
	+# Copyright (c) 2022 Linaro Limited
	+# Copyright (c) 2022, Arm Limited. All rights reserved.
	+#
	+# SPDX-License-Identifier: BSD-3-Clause
	+#
	+#-------------------------------------------------------------------------------
	+
	+set (LIBMETAL_URL "https://github.com/OpenAMP/libmetal.git"
	+ CACHE STRING "libmetal repository URL")
	+set (LIBMETAL_INSTALL_DIR "${CMAKE_CURRENT_BINARY_DIR}/libmetal_install"
	+ CACHE DIR "libmetal installation directory")
	+set(LIBMETAL_SOURCE_DIR "${CMAKE_CURRENT_BINARY_DIR}/_deps/libmetal"
	+ CACHE DIR "libmetal source-code")
	+set (LIBMETAL_PACKAGE_DIR "${LIBMETAL_INSTALL_DIR}/libmetal/cmake"
	+ CACHE DIR "libmetal CMake package directory")
	+set (LIBMETAL_TARGET_NAME "libmetal")
	+set (LIBMETAL_REFSPEC "f252f0e007fbfb8b3a52b1d5901250ddac96baad"
	+ CACHE STRING "The version of libmetal to use")
	+set(LIBMETAL_BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}/_deps/libmetal-build")
	+
	+set(GIT_OPTIONS
	+ GIT_REPOSITORY ${LIBMETAL_URL}
	+ GIT_TAG ${LIBMETAL_REFSPEC}
	+ GIT_SHALLOW FALSE
	+)
	+
	+if(NOT LIBMETAL_DEBUG)
	+ set(LIBMETAL_BUILD_TYPE "Release")
	+else()
	+ set(LIBMETAL_BUILD_TYPE "Debug")
	+endif()
	+
	+include(FetchContent)
	+
	+# Checking git
	+find_program(GIT_COMMAND "git")
	+if (NOT GIT_COMMAND)
	+ message(FATAL_ERROR "Please install git")
	+endif()
	+
	+# Only pass libc settings to libmetal if needed. For environments where the
	+# standard library is not overridden, this is not needed.
	+if(TARGET stdlib::c)
	+ include(${TS_ROOT}/tools/cmake/common/PropertyCopy.cmake)
	+
	+ # Save libc settings
	+ save_interface_target_properties(TGT stdlib::c PREFIX LIBC)
	+ # Translate libc settings to cmake code fragment. Will be inserted into
	+ # libmetal-init-cache.cmake.in when LazyFetch configures the file.
	+ translate_interface_target_properties(PREFIX LIBC RES _cmake_fragment)
	+ unset_saved_properties(LIBC)
	+endif()
	+
	+include(${TS_ROOT}/tools/cmake/common/LazyFetch.cmake REQUIRED)
	+LazyFetch_MakeAvailable(DEP_NAME libmetal
	+ FETCH_OPTIONS "${GIT_OPTIONS}"
	+ INSTALL_DIR "${LIBMETAL_INSTALL_DIR}"
	+ CACHE_FILE "${TS_ROOT}/external/openamp/libmetal-init-cache.cmake.in"
	+ SOURCE_DIR "${LIBMETAL_SOURCE_DIR}"
	+)
	+unset(_cmake_fragment)
	+
	+#Create an imported target to have clean abstraction in the build-system.
	+add_library(libmetal STATIC IMPORTED)
	+set_property(TARGET libmetal PROPERTY IMPORTED_LOCATION "${LIBMETAL_INSTALL_DIR}/lib/${CMAKE_STATIC_LIBRARY_PREFIX}metal${CMAKE_STATIC_LIBRARY_SUFFIX}")
	+set_property(TARGET libmetal PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${LIBMETAL_INSTALL_DIR}/include")
	diff --git a/external/openamp/openamp-init-cache.cmake.in b/external/openamp/openamp-init-cache.cmake.in
	new file mode 100644
	index 000000000000..302b80511bce
	--- /dev/null
	+++ b/external/openamp/openamp-init-cache.cmake.in
	@@ -0,0 +1,20 @@
	+#-------------------------------------------------------------------------------
	+# Copyright (c) 2021-2022, Arm Limited and Contributors. All rights reserved.
	+# Copyright (c) 2021-2022, Linaro. All rights reserved.
	+#
	+# SPDX-License-Identifier: BSD-3-Clause
	+#
	+#-------------------------------------------------------------------------------
	+
	+set(CMAKE_INSTALL_PREFIX "@BUILD_INSTALL_DIR@" CACHE STRING "")
	+set(CMAKE_TOOLCHAIN_FILE "@TS_EXTERNAL_LIB_TOOLCHAIN_FILE@" CACHE STRING "")
	+set(BUILD_SHARED_LIBS Off CACHE BOOL "")
	+set(BUILD_STATIC_LIBS On CACHE BOOL "")
	+
	+set(LIBMETAL_INCLUDE_DIR "@CMAKE_CURRENT_BINARY_DIR@/libmetal_install/include" CACHE
	+ STRING "")
	+set(LIBMETAL_LIB "@CMAKE_CURRENT_BINARY_DIR@/libmetal_install/lib" CACHE STRING "")
	+set(RPMSG_BUFFER_SIZE "512" CACHE STRING "")
	+set(MACHINE "template" CACHE STRING "")
	+
	+@_cmake_fragment@
	diff --git a/external/openamp/openamp.cmake b/external/openamp/openamp.cmake
	new file mode 100644
	index 000000000000..449f35f4fda4
	--- /dev/null
	+++ b/external/openamp/openamp.cmake
	@@ -0,0 +1,66 @@
	+#-------------------------------------------------------------------------------
	+# Copyright (c) 2022 Linaro Limited
	+# Copyright (c) 2022, Arm Limited. All rights reserved.
	+#
	+# SPDX-License-Identifier: BSD-3-Clause
	+#
	+#-------------------------------------------------------------------------------
	+
	+set (OPENAMP_URL "https://github.com/OpenAMP/open-amp.git"
	+ CACHE STRING "OpenAMP repository URL")
	+set (OPENAMP_INSTALL_DIR "${CMAKE_CURRENT_BINARY_DIR}/openamp_install"
	+ CACHE DIR "OpenAMP installation directory")
	+set (OPENAMP_SOURCE_DIR "${CMAKE_CURRENT_BINARY_DIR}/_deps/openamp"
	+ CACHE DIR "OpenAMP source code directory")
	+set (OPENAMP_PACKAGE_DIR "${OPENAMP_INSTALL_DIR}/openamp/cmake"
	+ CACHE DIR "OpenAMP CMake package directory")
	+set (OPENAMP_TARGET_NAME "openamp")
	+set (OPENAMP_REFSPEC "347397decaa43372fc4d00f965640ebde042966d"
	+ CACHE STRING "The version of openamp to use")
	+
	+set(GIT_OPTIONS
	+ GIT_REPOSITORY ${OPENAMP_URL}
	+ GIT_TAG ${OPENAMP_REFSPEC}
	+ GIT_SHALLOW FALSE
	+)
	+
	+if(NOT OPENAMP_DEBUG)
	+ set(OPENAMP_BUILD_TYPE "Release")
	+else()
	+ set(OPENAMP_BUILD_TYPE "Debug")
	+endif()
	+
	+include(FetchContent)
	+
	+# Checking git
	+find_program(GIT_COMMAND "git")
	+if (NOT GIT_COMMAND)
	+ message(FATAL_ERROR "Please install git")
	+endif()
	+
	+# Only pass libc settings to openamp if needed. For environments where the
	+# standard library is not overridden, this is not needed.
	+if(TARGET stdlib::c)
	+ include(${TS_ROOT}/tools/cmake/common/PropertyCopy.cmake)
	+
	+ # Save libc settings
	+ save_interface_target_properties(TGT stdlib::c PREFIX LIBC)
	+ # Translate libc settings to cmake code fragment. Will be inserted into
	+ # libmetal-init-cache.cmake.in when LazyFetch configures the file.
	+ translate_interface_target_properties(PREFIX LIBC RES _cmake_fragment)
	+ unset_saved_properties(LIBC)
	+endif()
	+
	+include(${TS_ROOT}/tools/cmake/common/LazyFetch.cmake REQUIRED)
	+LazyFetch_MakeAvailable(DEP_NAME openamp
	+ FETCH_OPTIONS "${GIT_OPTIONS}"
	+ INSTALL_DIR "${OPENAMP_INSTALL_DIR}"
	+ CACHE_FILE "${TS_ROOT}/external/openamp/openamp-init-cache.cmake.in"
	+ SOURCE_DIR "${OPENAMP_SOURCE_DIR}"
	+)
	+unset(_cmake_fragment)
	+
	+#Create an imported target to have clean abstraction in the build-system.
	+add_library(openamp STATIC IMPORTED)
	+set_property(TARGET openamp PROPERTY IMPORTED_LOCATION "${OPENAMP_INSTALL_DIR}/lib/${CMAKE_STATIC_LIBRARY_PREFIX}open_amp${CMAKE_STATIC_LIBRARY_SUFFIX}")
	+set_property(TARGET openamp PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${OPENAMP_INSTALL_DIR}/include")
	--
	2.38.0