config OR1K_SIM
    bool
    select SERIAL
    select OPENCORES_ETH
    select OMPIC
    select SPLIT_IRQ

config OR1K_VIRT
    bool
    imply VIRTIO_VGA
    imply TEST_DEVICES
    select GOLDFISH_RTC
    select SERIAL
    select SIFIVE_TEST
    select VIRTIO_MMIO