gdtemu

Buildroot

Buildroot can be used to generate kernels and root filesystems for VMs.

Linux Kernel Configuration

Console and Block Devices

These drivers must be enabled in order for the console and block devices to work:

1. Device Drivers -> Virtio drivers -> PCI driver for virtio devices <*>
2. Device Drivers -> Block devices -> Virtio block driver <*>
3. Device Drivers -> Character devices -> RISC-V SBI console support [ ]
4. Device Drivers -> Character devices -> Virtio console <*>

Network Devices

Network device support is confirmed with kernel version 4.19.245. For network device support the following must be enabled:

1. Device Drivers -> Network device support -> Network core driver support [*] -> Virtio network driver <*>

RNG Device

1. Device Drivers -> Character devices -> Hardware Random Number Generator Core support <*> -> VirtIO Random Number Generator support <*>