I'm attempting to migration from using MCUBOOT as a child image to sysbuild using SDK 2.8.0.
Everything boots fine when building using a child image, but when switching to sysbuild I initially get a warning that BOOT_MAX_IMG_SECTORS is too small, followed by an error from MUCBOOT that the image is invalid.
If I increase BOOT_MAX_IMG_SECTORS to 512, the bootloader appears to not even start. I never get as far as seeing the message "Starting bootloader".
As far as I can tell, the configurations are virtually identical, I've just moved the configurations into the 'sysbuild' folder.
Here is a copy of build_sysbuild/zephyr/.config
SB_CONFIG_BOARD="nrf52840dk" SB_CONFIG_BOARD_REVISION="" SB_CONFIG_BOARD_NRF52840DK=y SB_CONFIG_BOARD_NRF52840DK_NRF52840=y SB_CONFIG_BOARD_QUALIFIERS="nrf52840" SB_CONFIG_SOC="nrf52840" SB_CONFIG_SOC_SERIES="nrf52" SB_CONFIG_SOC_FAMILY="nordic_nrf" SB_CONFIG_SOC_FAMILY_NORDIC_NRF=y SB_CONFIG_SOC_SERIES_NRF52X=y SB_CONFIG_SOC_NRF52840=y SB_CONFIG_SOC_NRF52840_QIAA=y # # Sysbuild image configuration # # # Modules # # # Available modules. # # # nrf (C:/ncs/v2.8.0/nrf) # SB_CONFIG_PARTITION_MANAGER=y SB_CONFIG_PM_MCUBOOT_PAD=0x200 SB_CONFIG_PM_EXTERNAL_FLASH_MCUBOOT_SECONDARY=y # SB_CONFIG_PM_OVERRIDE_EXTERNAL_DRIVER_CHECK is not set SB_CONFIG_BUILD_OUTPUT_BIN=y SB_CONFIG_BUILD_OUTPUT_HEX=y SB_CONFIG_APPCORE_REMOTE_BOARD_TARGET_CPUCLUSTER="cpuapp" SB_CONFIG_APPCORE_REMOTE_DOMAIN="CPUAPP" # # Secure Bootloader # # SB_CONFIG_SECURE_BOOT_APPCORE is not set # end of Secure Bootloader # # MCUboot configuration # SB_CONFIG_MCUBOOT_MAX_UPDATEABLE_IMAGES=4 SB_CONFIG_MCUBOOT_APPLICATION_IMAGE_NUMBER=0 SB_CONFIG_MCUBOOT_NETWORK_CORE_IMAGE_NUMBER=-1 SB_CONFIG_MCUBOOT_WIFI_PATCHES_IMAGE_NUMBER=-1 SB_CONFIG_MCUBOOT_QSPI_XIP_IMAGE_NUMBER=-1 SB_CONFIG_MCUBOOT_MCUBOOT_IMAGE_NUMBER=-1 SB_CONFIG_MCUBOOT_MIN_UPDATEABLE_IMAGES=1 SB_CONFIG_MCUBOOT_MIN_ADDITIONAL_UPDATEABLE_IMAGES=0 SB_CONFIG_MCUBOOT_UPDATEABLE_IMAGES=1 SB_CONFIG_MCUBOOT_ADDITIONAL_UPDATEABLE_IMAGES=0 SB_CONFIG_MCUBOOT_APP_SYNC_UPDATEABLE_IMAGES=y # end of MCUboot configuration SB_CONFIG_DFU_MULTI_IMAGE_PACKAGE_BUILD=y SB_CONFIG_DFU_MULTI_IMAGE_PACKAGE_APP=y SB_CONFIG_SUPPORT_QSPI_XIP=y # SB_CONFIG_BT_FAST_PAIR is not set SB_CONFIG_DFU_ZIP=y SB_CONFIG_DFU_ZIP_APP=y # SB_CONFIG_DFU_ZIP_BLUETOOTH_MESH_METADATA is not set SB_CONFIG_MATTER=y # SB_CONFIG_MATTER_FACTORY_DATA_GENERATE is not set SB_CONFIG_MATTER_OTA=y SB_CONFIG_MATTER_OTA_IMAGE_FILE_NAME="matter.ota" SB_CONFIG_SUIT_BASE_MANIFEST_VARIANT="matter/v1" # # Wi-Fi # # SB_CONFIG_WIFI_NRF70 is not set # end of Wi-Fi # # SUIT # # SB_CONFIG_SUIT_ENVELOPE is not set # SB_CONFIG_SUIT_BUILD_RECOVERY is not set # SB_CONFIG_SUIT_BUILD_FLASH_COMPANION is not set # end of SUIT # # SDP # # SB_CONFIG_SDP is not set # end of SDP # SB_CONFIG_APPROTECT_USE_UICR is not set # SB_CONFIG_APPROTECT_LOCK is not set SB_CONFIG_APPROTECT_NO_SYSBUILD=y SB_CONFIG_ZEPHYR_NRF_MODULE=y # end of nrf (C:/ncs/v2.8.0/nrf) SB_CONFIG_ZEPHYR_MCUBOOT_MODULE=y SB_CONFIG_ZEPHYR_MBEDTLS_MODULE=y SB_CONFIG_ZEPHYR_OBERON_PSA_CRYPTO_MODULE=y SB_CONFIG_ZEPHYR_TRUSTED_FIRMWARE_M_MODULE=y SB_CONFIG_ZEPHYR_PSA_ARCH_TESTS_MODULE=y SB_CONFIG_ZEPHYR_SOC_HWMV1_MODULE=y SB_CONFIG_ZEPHYR_CJSON_MODULE=y SB_CONFIG_ZEPHYR_AZURE_SDK_FOR_C_MODULE=y SB_CONFIG_ZEPHYR_CIRRUS_LOGIC_MODULE=y SB_CONFIG_ZEPHYR_OPENTHREAD_MODULE=y SB_CONFIG_ZEPHYR_SUIT_GENERATOR_MODULE=y SB_CONFIG_ZEPHYR_SUIT_PROCESSOR_MODULE=y SB_CONFIG_ZEPHYR_MEMFAULT_FIRMWARE_SDK_MODULE=y SB_CONFIG_ZEPHYR_COREMARK_MODULE=y SB_CONFIG_ZEPHYR_CANOPENNODE_MODULE=y SB_CONFIG_ZEPHYR_CHRE_MODULE=y SB_CONFIG_ZEPHYR_LZ4_MODULE=y SB_CONFIG_ZEPHYR_NANOPB_MODULE=y SB_CONFIG_ZEPHYR_TF_M_TESTS_MODULE=y SB_CONFIG_ZEPHYR_ZSCILIB_MODULE=y SB_CONFIG_ZEPHYR_CMSIS_MODULE=y SB_CONFIG_ZEPHYR_CMSIS_DSP_MODULE=y SB_CONFIG_ZEPHYR_CMSIS_NN_MODULE=y SB_CONFIG_ZEPHYR_FATFS_MODULE=y SB_CONFIG_ZEPHYR_HAL_NORDIC_MODULE=y SB_CONFIG_ZEPHYR_HAL_ST_MODULE=y SB_CONFIG_ZEPHYR_HAL_WURTHELEKTRONIK_MODULE=y SB_CONFIG_ZEPHYR_HOSTAP_MODULE=y SB_CONFIG_ZEPHYR_LIBMETAL_MODULE=y SB_CONFIG_ZEPHYR_LIBLC3_MODULE=y SB_CONFIG_ZEPHYR_LITTLEFS_MODULE=y SB_CONFIG_ZEPHYR_LORAMAC_NODE_MODULE=y SB_CONFIG_ZEPHYR_LVGL_MODULE=y SB_CONFIG_ZEPHYR_MIPI_SYS_T_MODULE=y SB_CONFIG_ZEPHYR_NRF_HW_MODELS_MODULE=y SB_CONFIG_ZEPHYR_OPEN_AMP_MODULE=y SB_CONFIG_ZEPHYR_PICOLIBC_MODULE=y SB_CONFIG_ZEPHYR_SEGGER_MODULE=y SB_CONFIG_ZEPHYR_TINYCRYPT_MODULE=y SB_CONFIG_ZEPHYR_UOSCORE_UEDHOC_MODULE=y SB_CONFIG_ZEPHYR_ZCBOR_MODULE=y SB_CONFIG_ZEPHYR_NRFXLIB_MODULE=y SB_CONFIG_ZEPHYR_CONNECTEDHOMEIP_MODULE=y # # Unavailable modules, please install those via the project manifest. # # end of Modules # SB_CONFIG_WARN_EXPERIMENTAL is not set SB_CONFIG_WARN_DEPRECATED=y SB_CONFIG_SUPPORT_BOOTLOADER=y SB_CONFIG_SUPPORT_BOOTLOADER_MCUBOOT_ZEPHYR=y # SB_CONFIG_BOOTLOADER_NONE is not set SB_CONFIG_BOOTLOADER_MCUBOOT=y # SB_CONFIG_MCUBOOT_MODE_SINGLE_APP is not set # SB_CONFIG_MCUBOOT_MODE_SWAP_WITHOUT_SCRATCH is not set SB_CONFIG_MCUBOOT_MODE_SWAP_SCRATCH=y # SB_CONFIG_MCUBOOT_MODE_OVERWRITE_ONLY is not set # SB_CONFIG_MCUBOOT_MODE_DIRECT_XIP is not set # SB_CONFIG_MCUBOOT_MODE_DIRECT_XIP_WITH_REVERT is not set # SB_CONFIG_MCUBOOT_MODE_RAM_LOAD is not set # SB_CONFIG_MCUBOOT_MODE_FIRMWARE_UPDATER is not set SB_CONFIG_SIGNATURE_TYPE="RSA" # SB_CONFIG_BOOT_SIGNATURE_TYPE_NONE is not set SB_CONFIG_BOOT_SIGNATURE_TYPE_RSA=y # SB_CONFIG_BOOT_SIGNATURE_TYPE_ECDSA_P256 is not set # SB_CONFIG_BOOT_SIGNATURE_TYPE_ED25519 is not set SB_CONFIG_BOOT_SIGNATURE_KEY_FILE="C:/ncs/v2.8.0/bootloader/mcuboot/root-rsa-2048.pem" # SB_CONFIG_BOOT_ENCRYPTION is not set # # Build options # # SB_CONFIG_COMPILER_WARNINGS_AS_ERRORS is not set # end of Build options
Please let me know if there's anything else I can provide.
Thanks,
Chris