<p><span class="h-card" translate="no"><a href="https://mastodon.social/@whitequark" class="u-url mention">@<span>whitequark</span></a></span> <span class="h-card" translate="no"><a href="https://mastodon.social/@brouhaha" class="u-url mention">@<span>brouhaha</span></a></span> I'd guess classical "driver in userspace", poking registers of something memory-mapped (in the hardware sense, not in the unix-syscall sense).</p>
