# Xen on RISC-V: Dom0 Boot, Hypercalls and Docker Toolchain

DevFeed: [Xen on RISC-V: Dom0 Boot, Hypercalls and Docker Toolchain](<https://devfeed.tech/articles/xen-on-risc-v-dom0-boot-hypercalls-and-docker-toolchain-12818.md>)

Original publisher: [Read original article](<https://xcp-ng.org/blog/2026/05/22/xen-on-risc-v-dom0-boot-hypercalls-and-docker-toolchain/>)

Author: Baptiste Le Duc

Published: 2026-05-22T08:30:21Z

Content type: article

Language: en

Sources: [XCP-ng Blog](<https://devfeed.tech/sources/xcp-ng-blog.md>)

Topics: [RISC-V](<https://devfeed.tech/topics/riscv.md>), [Docker](<https://devfeed.tech/topics/docker.md>), [Tooling](<https://devfeed.tech/topics/tooling.md>), [Command-line interface](<https://devfeed.tech/topics/cli.md>)

Tags: [asynchronous](<https://devfeed.tech/tags/asynchronous.md>), [boot](<https://devfeed.tech/tags/boot.md>), [command-line](<https://devfeed.tech/tags/command-line.md>), [communication](<https://devfeed.tech/tags/communication.md>), [docker](<https://devfeed.tech/tags/docker.md>), [interrupt](<https://devfeed.tech/tags/interrupt.md>), [memory](<https://devfeed.tech/tags/memory.md>), [risc-v](<https://devfeed.tech/tags/risc-v.md>), [tooling](<https://devfeed.tech/tags/tooling.md>)

## AI overview

This first post in a series reports progress on bringing Xen guest-domain support to RISC-V. It describes Dom0 boot work, hypercall communication through SBI ecall, event-channel notifications, and a Docker environment for building and running the stack on an x86 laptop.

## Source excerpt

Latest progress on Xen for RISC-V, including Dom0 boot, hypercalls and Docker-based tooling.