nuclei-sdk/tools/scripts/nsdk_cli/configs/cpu/std/n900.json

{
    "build_config": {
        "CPU_SERIES": "900"
    },
    "build_configs": {
        "rv32imac": {"CORE":"n900"},
        "rv32imafc": {"CORE":"n900f", "ARCH_EXT":""},
        "rv32imafdc": {"CORE":"n900fd", "ARCH_EXT":""}
    }
}