samples: nrf5340: Move and rename empty_net_core project

Moves this project to a new folder - multicore, as this (simple)
project can be built for many other multi-core CPUs. Also updates
sysbuild configuration to use the new folder location

Signed-off-by: Jamie McCrae <[email protected]>

Author: nordicjm

CODEOWNERS

@@ -429,6 +429,7 @@
 /samples/app_event_manager/               @nrfconnect/ncs-si-muffin @nrfconnect/ncs-si-bluebagel
 /samples/app_event_manager_profiler_tracer/ @nrfconnect/ncs-si-muffin @nrfconnect/ncs-si-bluebagel
 /samples/app_jwt/                             @nrfconnect/ncs-modem @ayla-nordicsemi
+/samples/basic/                           @nrfconnect/ncs-co-build-system
 /samples/benchmarks/coremark/             @nrfconnect/ncs-si-muffin
 /samples/bluetooth/nrf_auraconfig/        @nrfconnect/ncs-audio
 /samples/bluetooth/central_and_peripheral_hr/ @nrfconnect/ncs-si-muffin
@@ -561,6 +562,7 @@
 /samples/app_event_manager/*.rst          @nrfconnect/ncs-si-muffin-doc @nrfconnect/ncs-si-bluebagel-doc
 /samples/app_event_manager_profiler_tracer/*.rst @nrfconnect/ncs-si-muffin-doc
 /samples/app_jwt/*.rst                        @nrfconnect/ncs-modem-doc @ayla-nordicsemi
+/samples/basic/empty/*.rst                @nrfconnect/ncs-doc-leads
 /samples/benchmarks/coremark/*.rst        @nrfconnect/ncs-si-muffin-doc
 /samples/bluetooth/**/*.rst                @nrfconnect/ncs-si-bluebagel-doc @nrfconnect/ncs-si-muffin-doc
 /samples/bluetooth/central_and_peripheral_hr/*.rst @nrfconnect/ncs-si-muffin-doc
@@ -648,7 +650,6 @@
 /samples/net/coap_client/*.rst            @nrfconnect/ncs-iot-oulu-tampere-doc
 /samples/nfc/**/*.rst                     @nrfconnect/ncs-si-muffin-doc
 /samples/nrf5340/empty_app_core/*.rst     @nrfconnect/ncs-si-muffin-doc
-/samples/nrf5340/empty_net_core/*.rst     @nrfconnect/ncs-si-bluebagel-doc
 /samples/nrf5340/extxip_smp_svr/*.rst     @nrfconnect/ncs-eris-doc
 /samples/nrf5340/netboot/*.rst            @nrfconnect/ncs-eris-doc
 /samples/nrf5340/remote_shell/*.rst       @nrfconnect/ncs-si-muffin-doc

doc/_utils/redirects.py

@@ -447,6 +447,7 @@
     ("samples/samples_other", "samples/other"), # Other samples (landing)
     ("samples/pmic/native/npm1300_fuel_gauge/README", "samples/pmic/native/npm13xx_fuel_gauge/README"),
     ("samples/pmic/native/npm1300_one_button/README", "samples/pmic/native/npm13xx_one_button/README"),
+    ("samples/nrf5340/empty_network_core/README", "samples/basic/empty/README"),
     ("libraries/bluetooth_services/index", "libraries/bluetooth/index"), # Changed the folder name libraries/bluetooth_services to libraries/bluetooth to better match the include folder structure
     ("libraries/bluetooth_services/adv_prov", "libraries/bluetooth/adv_prov"),
     ("libraries/bluetooth_services/conn_ctx", "libraries/bluetooth/conn_ctx"),

doc/nrf/samples/other.rst

@@ -24,3 +24,4 @@ This section lists single |NCS| samples for various uses that are not part of ot
    ../../../samples/ironside_se/*/README
    ../../../tests/benchmarks/multicore/*/README
    ../../../samples/zephyr/smp_svr_mini_boot/README
+   ../../../samples/basic/*/README

samples/nrf5340/empty_net_core/CMakeLists.txt renamed to samples/basic/empty/CMakeLists.txt

@@ -7,6 +7,6 @@
 cmake_minimum_required(VERSION 3.20.0)
 
 find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
-project(empty_net_core)
+project(empty)
 
 target_sources(app PRIVATE src/main.c)

samples/nrf5340/empty_net_core/README.rst renamed to samples/basic/empty/README.rst

@@ -1,14 +1,14 @@
 .. _nrf5340_empty_net_core:
 
-nRF5340: Empty firmware for network core
-########################################
+Empty firmware for multiple core SoCs
+#####################################
 
 .. contents::
    :local:
    :depth: 2
 
-The sample demonstrates how to generate an empty network core firmware.
-The sample is used only by the applications that do not use the network core.
+The sample demonstrates how to generate an empty network (or other) core firmware.
+The sample is used only by the applications that do not use the other core(s).
 In the mentioned case, the empty network core sample is automatically added to build by the :kconfig:option:`SB_CONFIG_NETCORE_EMPTY` sysbuild Kconfig option.
 
 Requirements
@@ -21,7 +21,7 @@ The sample supports the following development kits:
 Building and running
 ********************
 
-.. |sample path| replace:: :file:`samples/nrf5340/empty_net_core`
+.. |sample path| replace:: :file:`samples/basic/empty`
 
 .. include:: /includes/build_and_run.txt
 

samples/nrf5340/empty_net_core/prj.conf renamed to samples/basic/empty/prj.conf

@@ -1,8 +1,8 @@
 sample:
-  description: Minimal configuration sample that works as empty netcore image.
-  name: Empty firmware for network core
+  description: Minimal configuration sample that works as empty network (or other) core image.
+  name: Empty firmware for multicore MCUs
 tests:
-  sample.nrf5340.empty_net_core.build:
+  sample.basic.empty:
     sysbuild: true
     build_only: true
     integration_platforms:

samples/nrf5340/empty_net_core/sample.yaml renamed to samples/basic/empty/sample.yaml

@@ -142,7 +142,7 @@ config NETCORE_IMAGE_NAME
 
 config NETCORE_IMAGE_PATH
 	string
-	default "$(ZEPHYR_NRF_MODULE_DIR)/samples/nrf5340/empty_net_core" if NETCORE_EMPTY
+	default "$(ZEPHYR_NRF_MODULE_DIR)/samples/basic/empty" if NETCORE_EMPTY
 	default "$(ZEPHYR_BASE)/samples/bluetooth/hci_ipc" if NETCORE_HCI_IPC
 	default "$(ZEPHYR_NRF_MODULE_DIR)/samples/bluetooth/rpc_host" if NETCORE_RPC_HOST
 	default "$(ZEPHYR_BASE)/samples/boards/nordic/ieee802154/802154_rpmsg" if NETCORE_802154_RPMSG