D:\ncs\v2.3.0\bootloader\mcuboot\samples\zephyr\hello-world>west build -b nrf5340dk_nrf5340_cpuapp -- west build: generating a build system Loading Zephyr default modules (Zephyr base). -- Application: D:/ncs/v2.3.0/bootloader/mcuboot/samples/zephyr/hello-world -- Using NCS Toolchain 2.3.0 for building. (D:/ncs/toolchains/v2.3.0/cmake) -- Found Python3: D:/ncs/toolchains/v2.3.0/opt/bin/python.exe (found suitable exact version "3.8.2") found components: Interpreter -- Cache files will be written to: D:/ncs/v2.3.0/zephyr/.cache -- Zephyr version: 3.2.99 (D:/ncs/v2.3.0/zephyr) -- Found west (found suitable version "0.14.0", minimum required is "0.7.1") -- Board: nrf5340dk_nrf5340_cpuapp -- Found host-tools: zephyr 0.15.2 (D:/ncs/toolchains/v2.3.0/opt/zephyr-sdk) -- Found toolchain: zephyr 0.15.2 (D:/ncs/toolchains/v2.3.0/opt/zephyr-sdk) -- Found Dtc: D:/ncs/toolchains/v2.3.0/opt/bin/dtc.exe (found suitable version "1.4.7", minimum required is "1.4.6") -- Found BOARD.dts: D:/ncs/v2.3.0/zephyr/boards/arm/nrf5340dk_nrf5340/nrf5340dk_nrf5340_cpuapp.dts -- Generated zephyr.dts: D:/ncs/v2.3.0/bootloader/mcuboot/samples/zephyr/hello-world/build/zephyr/zephyr.dts -- Generated devicetree_generated.h: D:/ncs/v2.3.0/bootloader/mcuboot/samples/zephyr/hello-world/build/zephyr/include/generated/devicetree_generated.h -- Including generated dts.cmake file: D:/ncs/v2.3.0/bootloader/mcuboot/samples/zephyr/hello-world/build/zephyr/dts.cmake Parsing D:/ncs/v2.3.0/zephyr/Kconfig Loaded configuration 'D:/ncs/v2.3.0/zephyr/boards/arm/nrf5340dk_nrf5340/nrf5340dk_nrf5340_cpuapp_defconfig' Merged configuration 'D:/ncs/v2.3.0/bootloader/mcuboot/samples/zephyr/hello-world/prj.conf' Configuration saved to 'D:/ncs/v2.3.0/bootloader/mcuboot/samples/zephyr/hello-world/build/zephyr/.config' Kconfig header saved to 'D:/ncs/v2.3.0/bootloader/mcuboot/samples/zephyr/hello-world/build/zephyr/include/generated/autoconf.h' -- The C compiler identification is GNU 12.1.0 -- The CXX compiler identification is GNU 12.1.0 -- The ASM compiler identification is GNU -- Found assembler: D:/ncs/toolchains/v2.3.0/opt/zephyr-sdk/arm-zephyr-eabi/bin/arm-zephyr-eabi-gcc.exe -- Found Python3: D:/ncs/toolchains/v2.3.0/opt/bin/python.exe (found version "3.8.2") found components: Interpreter === child image mcuboot - begin === loading initial cache file D:/ncs/v2.3.0/bootloader/mcuboot/samples/zephyr/hello-world/build/mcuboot/child_image_preload.cmake Loading Zephyr default modules (Zephyr base). -- Application: D:/ncs/v2.3.0/bootloader/mcuboot/boot/zephyr -- Using NCS Toolchain 2.3.0 for building. (D:/ncs/toolchains/v2.3.0/cmake) -- Found Python3: D:/ncs/toolchains/v2.3.0/opt/bin/python.exe (found suitable exact version "3.8.2") found components: Interpreter -- Cache files will be written to: D:/ncs/v2.3.0/zephyr/.cache -- Zephyr version: 3.2.99 (D:/ncs/v2.3.0/zephyr) -- Found west (found suitable version "0.14.0", minimum required is "0.7.1") -- Board: nrf5340dk_nrf5340_cpuapp -- Found host-tools: zephyr 0.15.2 (D:/ncs/toolchains/v2.3.0/opt/zephyr-sdk) -- Found toolchain: zephyr 0.15.2 (D:/ncs/toolchains/v2.3.0/opt/zephyr-sdk) -- Found Dtc: D:/ncs/toolchains/v2.3.0/opt/bin/dtc.exe (found suitable version "1.4.7", minimum required is "1.4.6") -- Found BOARD.dts: D:/ncs/v2.3.0/zephyr/boards/arm/nrf5340dk_nrf5340/nrf5340dk_nrf5340_cpuapp.dts -- Found devicetree overlay: D:/ncs/v2.3.0/nrf/modules/mcuboot/usb.overlay -- Found devicetree overlay: D:/ncs/v2.3.0/bootloader/mcuboot/boot/zephyr/dts.overlay -- Generated zephyr.dts: D:/ncs/v2.3.0/bootloader/mcuboot/samples/zephyr/hello-world/build/mcuboot/zephyr/zephyr.dts -- Generated devicetree_generated.h: D:/ncs/v2.3.0/bootloader/mcuboot/samples/zephyr/hello-world/build/mcuboot/zephyr/include/generated/devicetree_generated.h -- Including generated dts.cmake file: D:/ncs/v2.3.0/bootloader/mcuboot/samples/zephyr/hello-world/build/mcuboot/zephyr/dts.cmake warning: The choice symbol BOOT_ECDSA_TINYCRYPT (defined at D:/ncs/v2.3.0/bootloader/mcuboot/boot/zephyr/Kconfig:98) was selected (set =y), but no symbol ended up as the choice selection. See http://docs.zephyrproject.org/latest/kconfig.html#CONFIG_BOOT_ECDSA_TINYCRYPT and/or look up BOOT_ECDSA_TINYCRYPT in the menuconfig/guiconfig interface. The Application Development Primer, Setting Configuration Values, and Kconfig - Tips and Best Practices sections of the manual might be helpful too. Parsing D:/ncs/v2.3.0/bootloader/mcuboot/boot/zephyr/Kconfig Loaded configuration 'D:/ncs/v2.3.0/zephyr/boards/arm/nrf5340dk_nrf5340/nrf5340dk_nrf5340_cpuapp_defconfig' Merged configuration 'D:/ncs/v2.3.0/bootloader/mcuboot/boot/zephyr/prj.conf' Merged configuration 'D:/ncs/v2.3.0/nrf/subsys/partition_manager/partition_manager_enabled.conf' Merged configuration 'D:/ncs/v2.3.0/bootloader/mcuboot/samples/zephyr/hello-world/child_image/mcuboot.conf' Merged configuration 'D:/ncs/v2.3.0/bootloader/mcuboot/samples/zephyr/hello-world/build/mcuboot/zephyr/misc/generated/extra_kconfig_options.conf' Configuration saved to 'D:/ncs/v2.3.0/bootloader/mcuboot/samples/zephyr/hello-world/build/mcuboot/zephyr/.config' Kconfig header saved to 'D:/ncs/v2.3.0/bootloader/mcuboot/samples/zephyr/hello-world/build/mcuboot/zephyr/include/generated/autoconf.h' -- The C compiler identification is GNU 12.1.0 -- The CXX compiler identification is GNU 12.1.0 -- The ASM compiler identification is GNU -- Found assembler: D:/ncs/toolchains/v2.3.0/opt/zephyr-sdk/arm-zephyr-eabi/bin/arm-zephyr-eabi-gcc.exe MCUBoot bootloader key file: D:/ncs/v2.3.0/bootloader/mcuboot/root-rsa-2048.pem -- Configuring done -- Generating done -- Build files have been written to: D:/ncs/v2.3.0/bootloader/mcuboot/samples/zephyr/hello-world/build/mcuboot === child image mcuboot - end === CMake Warning at D:/ncs/v2.3.0/nrf/modules/mcuboot/CMakeLists.txt:286 (message): --------------------------------------------------------- --- WARNING: Using default MCUBoot key, it should not --- --- be used for production. --- --------------------------------------------------------- -- Configuring done -- Generating done -- Build files have been written to: D:/ncs/v2.3.0/bootloader/mcuboot/samples/zephyr/hello-world/build -- west build: building application [1/183] Generating include/generated/version.h -- Zephyr version: 3.2.99 (D:/ncs/v2.3.0/zephyr), build: v3.2.99-ncs2 [6/183] Performing build step for 'mcuboot_subimage' [1/281] Generating include/generated/version.h -- Zephyr version: 3.2.99 (D:/ncs/v2.3.0/zephyr), build: v3.2.99-ncs2 [271/281] Linking C executable zephyr\zephyr_pre0.elf [275/281] Linking C executable zephyr\zephyr_pre1.elf [281/281] Linking C executable zephyr\zephyr.elf Memory region Used Size Region Size %age Used FLASH: 40432 B 48 KB 82.26% RAM: 22712 B 512 KB 4.33% IDT_LIST: 0 GB 2 KB 0.00% [162/183] Linking C executable zephyr\zephyr_pre0.elf [166/183] Linking C executable zephyr\zephyr_pre1.elf [172/183] Linking C executable zephyr\zephyr.elf Memory region Used Size Region Size %age Used FLASH: 23524 B 491008 B 4.79% RAM: 6240 B 512 KB 1.19% IDT_LIST: 0 GB 2 KB 0.00% [178/183] Generating ../../zephyr/app_update.bin sign the payload [179/183] Generating ../../zephyr/app_signed.hex sign the payload [181/183] Generating ../../zephyr/app_test_update.hex sign the payload [183/183] Generating zephyr/merged.hex