From cbe1025bf96bbcd3d1babb94335df4c42c936b04 Mon Sep 17 00:00:00 2001
From: Alberto Escolar Piedras <alberto.escolar.piedras@nordicsemi.no>
Date: Mon, 30 Oct 2023 13:58:00 +0100
Subject: [PATCH] Bluetooth samples: unicast audio server: Add sysbuild support

So that for both the simulated nrf5340 and real HW nrf5340dk
we build both network and application core images.

Signed-off-by: Alberto Escolar Piedras <alberto.escolar.piedras@nordicsemi.no>
---
 .../unicast_audio_server/Kconfig.sysbuild     |  9 ++++
 .../unicast_audio_server/sample.yaml          |  1 +
 .../unicast_audio_server/sysbuild.cmake       | 44 +++++++++++++++++++
 3 files changed, 54 insertions(+)
 create mode 100644 samples/bluetooth/unicast_audio_server/Kconfig.sysbuild
 create mode 100644 samples/bluetooth/unicast_audio_server/sysbuild.cmake

diff --git a/samples/bluetooth/unicast_audio_server/Kconfig.sysbuild b/samples/bluetooth/unicast_audio_server/Kconfig.sysbuild
new file mode 100644
index 00000000000..7955ce2a96d
--- /dev/null
+++ b/samples/bluetooth/unicast_audio_server/Kconfig.sysbuild
@@ -0,0 +1,9 @@
+# Copyright 2023 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+source "share/sysbuild/Kconfig"
+
+config NET_CORE_BOARD
+	string
+	default "nrf5340dk_nrf5340_cpunet" if $(BOARD) = "nrf5340dk_nrf5340_cpuapp"
+	default "nrf5340bsim_nrf5340_cpunet" if $(BOARD) = "nrf5340bsim_nrf5340_cpuapp"
diff --git a/samples/bluetooth/unicast_audio_server/sample.yaml b/samples/bluetooth/unicast_audio_server/sample.yaml
index 7194cb0ea80..3e645878e8b 100644
--- a/samples/bluetooth/unicast_audio_server/sample.yaml
+++ b/samples/bluetooth/unicast_audio_server/sample.yaml
@@ -12,6 +12,7 @@ tests:
     tags: bluetooth
     integration_platforms:
       - qemu_cortex_m3
+    sysbuild: true
   sample.bluetooth.audio_unicast_server.bt_ll_sw_split:
     harness: bluetooth
     platform_allow:
diff --git a/samples/bluetooth/unicast_audio_server/sysbuild.cmake b/samples/bluetooth/unicast_audio_server/sysbuild.cmake
new file mode 100644
index 00000000000..c150913cc55
--- /dev/null
+++ b/samples/bluetooth/unicast_audio_server/sysbuild.cmake
@@ -0,0 +1,44 @@
+# Copyright (c) 2023 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+if(NOT("${SB_CONFIG_NET_CORE_BOARD}" STREQUAL ""))
+	# For builds in the nrf5340, we build the netcore image with the controller
+
+	set(NET_APP hci_ipc)
+	set(NET_APP_SRC_DIR ${ZEPHYR_BASE}/samples/bluetooth/${NET_APP})
+
+	ExternalZephyrProject_Add(
+		APPLICATION ${NET_APP}
+		SOURCE_DIR  ${NET_APP_SRC_DIR}
+		BOARD       ${SB_CONFIG_NET_CORE_BOARD}
+	)
+
+	set(${NET_APP}_CONF_FILE
+	 ${NET_APP_SRC_DIR}/nrf5340_cpunet_iso-bt_ll_sw_split.conf
+	 CACHE INTERNAL ""
+	)
+
+	# Let's build the net core library first
+	add_dependencies(${DEFAULT_IMAGE} ${NET_APP})
+
+	if("${BOARD}" STREQUAL "nrf5340bsim_nrf5340_cpuapp")
+		# For the simulated board, the application core build will produce the final executable
+		# for that, we give it the path to the netcore image
+		set(NET_LIBRARY_PATH ${CMAKE_BINARY_DIR}/${NET_APP}/zephyr/zephyr.elf)
+		set_property(TARGET ${DEFAULT_IMAGE} APPEND_STRING PROPERTY CONFIG
+			"CONFIG_NATIVE_SIMULATOR_EXTRA_IMAGE_PATHS=\"${NET_LIBRARY_PATH}\"\n"
+		)
+	endif()
+endif()
+
+if(("${BOARD}" MATCHES "native") OR ("${BOARD}" MATCHES "bsim"))
+	# Let's meet the expectation of finding the final executable in zephyr/zephyr.exe
+	add_custom_target(final_executable
+		ALL
+		COMMAND
+		${CMAKE_COMMAND} -E copy
+		${CMAKE_BINARY_DIR}/${DEFAULT_IMAGE}/zephyr/zephyr.exe
+		${CMAKE_BINARY_DIR}/zephyr/zephyr.exe
+		DEPENDS ${DEFAULT_IMAGE}
+	)
+endif()