mcuboot/boot/mbed/mbed_lib.json

{
    "name": "mcuboot",
    "config": {
        "bootloader-build": {
            "help": "Build the bootloader, in addition to the MCUboot library.",
            "macro_name": "MCUBOOT_BOOTLOADER_BUILD",
            "accepted_values": [true, false],
            "value": true
        },
        "primary-slot-address": {
            "help": "Start address of the primary (bootable) image slot. Target-dependent, please set on a per-target basis.",
            "macro_name": "MCUBOOT_PRIMARY_SLOT_START_ADDR",
            "required": true
        },
        "slot-size": {
            "help": "Size of the primary (bootable) image slot, in bytes. Target-dependent, please set on a per-target basis.",
            "macro_name": "MCUBOOT_SLOT_SIZE",
            "required": true
        },
        "scratch-address": {
            "help": "Start address of the scratch area. If needed, please set on a per-target basis.",
            "macro_name": "MCUBOOT_SCRATCH_START_ADDR"
        },
        "scratch-size": {
            "help": "Size of the scratch area, in bytes. If needed, please set on a per-target basis.",
            "macro_name": "MCUBOOT_SCRATCH_SIZE"
        },
        "header-size": {
            "help": "Header size, in bytes, prepended to the bootable application image. Should be one or multiple times the sector size.",
            "macro_name": "MCUBOOT_HEADER_SIZE",
            "required": true,
            "value": 4096
        },
        "validate-primary-slot": {
            "help": "Always check the signature of the image in the primary slot before booting, even if no upgrade was performed. This is recommended if the boot time penalty is acceptable.",
            "macro_name": "MCUBOOT_VALIDATE_PRIMARY_SLOT",
            "accepted_values": [true, null],
            "value": true
        },
        "signature-algorithm": {
            "help": "The algorithm used for digital signing.",
            "macro_name": "MCUBOOT_SIGNATURE_ALGORITHM",
            "required": true,
            "accepted_values": ["SIGNATURE_TYPE_RSA", "SIGNATURE_TYPE_EC256", "SIGNATURE_TYPE_ED25519"],
            "value": "SIGNATURE_TYPE_RSA"
        },
        "rsa-signature-length": {
            "help": "If RSA is used for signature algorithm, this specifies the length.",
            "macro_name": "MCUBOOT_RSA_SIGNATURE_LENGTH",
            "required": true,
            "accepted_values": [2048, 3072],
            "value": 2048
        },
        "crypto-backend": {
            "help": "The crypto library backend. NOTE: TinyCrypt is currently only supported with GCC for Mbed-OS builds.",
            "macro_name": "MCUBOOT_CRYPTO_BACKEND",
            "required": true,
            "accepted_values": ["MBEDTLS", "TINYCRYPT"],
            "value": "MBEDTLS"
        },
        "overwrite-only": {
            "help": "The default is to support A/B image swapping with rollback. A simpler code path, which only supports overwriting the existing image with the update image, is also available. (null to disable)",
            "macro_name": "MCUBOOT_OVERWRITE_ONLY",
            "accepted_values": [true, null],
            "value": null
        },
        "overwrite-only-fast": {
            "help": "Only erase and overwrite those primary slot sectors needed to install the new image, rather than the entire image slot.",
            "macro_name": "MCUBOOT_OVERWRITE_ONLY_FAST",
            "accepted_values": [true, null],
            "value": null
        },
        "log-level": {
            "help": "Verbosity of MCUboot logging.",
            "macro_name": "MCUBOOT_LOG_LEVEL",
            "accepted_values": ["MCUBOOT_LOG_LEVEL_OFF", "MCUBOOT_LOG_LEVEL_ERROR", "MCUBOOT_LOG_LEVEL_WARN", "MCUBOOT_LOG_LEVEL_INFO", "MCUBOOT_LOG_LEVEL_DEBUG"],
            "value": "MCUBOOT_LOG_LEVEL_OFF"
        },
        "log-bootloader-only": {
            "help": "Exclude non-bootloader logs from Mbed OS (e.g. underlying storage).",
            "macro_name": "MCUBOOT_LOG_BOOTLOADER_ONLY",
            "accepted_values": [true, false],
            "value": true
        },
        "max-img-sectors": {
            "help": "Maximum number of flash sectors per image slot. Target-dependent, please set on a per-target basis.",
            "macro_name": "MCUBOOT_MAX_IMG_SECTORS",
            "required": true
        },
        "read-granularity": {
            "help": "Granularity of read operations, in bytes. Enables a workaround if your block device does not support reading a single byte at a time. If this is used, it should be at least the value of your specific <blockdevice>->get_read_size() result.",
            "macro_name": "MCUBOOT_READ_GRANULARITY",
            "value": null
        },
        "hardware-key": {
            "help": "Use hardware key (NOT TESTED)",
            "macro_name": "MCUBOOT_HW_KEY",
            "accepted_values": [true, null],
            "value": null
        },
        "boot-swap-move": {
            "help": "Boot swap using move (NOT TESTED)",
            "macro_name": "MCUBOOT_SWAP_USING_MOVE",
            "accepted_values": [true, null],
            "value": null
        },
        "updateable-image-number": {
            "help": "Updateable image number (NOT TESTED)",
            "macro_name": "MCUBOOT_IMAGE_NUMBER"
        },
        "MCUBOOT_SWAP_SAVE_ENCTLV": {
            "help": "Swap save enctlv (NOT TESTED)",
            "macro_name": "MCUBOOT_IMAGE_NUMBER",
            "value": null
        },
        "encrypt-rsa": {
            "help": "Encrypt images using RSA (NOT TESTED)",
            "macro_name": "MCUBOOT_ENCRYPT_RSA",
            "accepted_values": [true, null],
            "value": null
        },
        "encrypt-ec256": {
            "help": "Encrypt images using EC256 (NOT TESTED)",
            "macro_name": "MCUBOOT_ENCRYPT_EC256",
            "accepted_values": [true, null],
            "value": null
        },
        "encrypt-x25519": {
            "help": "Encrypt images using X25519 (NOT TESTED)",
            "macro_name":  "MCUBOOT_ENCRYPT_X25519",
            "accepted_values": [true, null],
            "value": null
        },
        "bootstrap": {
            "help": "Bootstrap (NOT TESTED)",
            "macro_name": "MCUBOOT_BOOTSTRAP",
            "value": null
        },
        "use-bench": {
            "help": "Use bench (NOT TESTED)",
            "macro_name": "MCUBOOT_USE_BENCH",
            "value": null
        },
        "downgrade-prevention": {
            "help": "Prevent downgrades (NOT TESTED)",
            "macro_name": "MCUBOOT_DOWNGRADE_PREVENTION",
            "value": null
        },
        "hw-rollback-protection": {
            "help": "Hardware rollback protection (NOT TESTED)",
            "macro_name": "MCUBOOT_HW_ROLLBACK_PROT",
            "value": null
        },
        "measured-boot": {
            "help": "Measured boot (NOT TESTED)",
            "macro_name": "MCUBOOT_MEASURED_BOOT",
            "value": null
        },
        "share-data": {
            "help": "Share data (NOT TESTED)",
            "macro_name": "MCUBOOT_DATA_SHARING",
            "value": null
        },
        "direct-xip": {
            "help": "Enable ability to boot update candidates in-place.",
            "macro_name": "MCUBOOT_DIRECT_XIP",
            "value": null
        },
        "direct-xip-revert": {
            "help": "Enable XIP revert mechanism. Only valid if direct-xip is also enabled.",
            "macro_name": "MCUBOOT_DIRECT_XIP_REVERT",
            "value": null
        },
        "xip-secondary-slot-address": {
            "help": "Specify start address for secondary slot address in XIP-accessible memory. This is required if direct-xip is enabled.",
            "value": null
        }
    }
}