config HTIF
    bool

config HART
    bool

config SIFIVE
    bool

config SIFIVE_E
    bool
    select HART
    select SIFIVE

config SIFIVE_U
    bool
    select CADENCE
    select HART
    select SIFIVE

config SPIKE
    bool
    select HART
    select HTIF
    select SIFIVE

config RISCV_VIRT
    bool
    imply PCI_DEVICES
    imply TEST_DEVICES
    select PCI
    select HART
    select SERIAL
    select VIRTIO_MMIO
    select PCI_EXPRESS_GENERIC_BRIDGE
    select SIFIVE