nectarjs_extern/stm32/mbed-os/tools/test/config/bootloader_missing/mbed_app.json

Javascript's God Mode. No VM. No Bytecode. No GC. Just native binaries.

{
    "target_overrides": {
        "K64F": {
            "target.bootloader_img": "does_not_exists.bin",
            "target.restrict_size": "0xFFFFF"
        }
    }
}