I would like to see Genode being compiled on Genode. I know that a run script exists for that, but it doesn't really work, especially given Genode's (build) dependence on tools that haven't been ported yet (e.g. expect, tclsh, autotools). Once all of Genode, including the ports of 3rd-party software, will build properly on Genode, testing and debugging will be faster and easier.
On Wed, Dec 21, 2016 at 5:04 AM, Norman Feske <norman.feske@...1...> wrote:
Hello everyone,
the end of the year is approaching. So it is the right time to make up our minds for the upcoming year.
Review of the past year
When reviewing the roadmap for 2016, it is quite clear that our initial goals moved a bit out of focus throughout the year. Our overall theme was to make Genode more easily available outside the inner circle of developers. Topics like system configuration, package management, and tutorials spring to mind. However, the four releases of 2016 were mostly concerned with base technologies rather than end-user facing features. Just to name a few topic:
- RISC-V architecture
- Hosting Genode on top of the Muen separation kernel
- Using Genode with the seL4 kernel
- Fundamental revision of the framework API
- Huge device-driver improvements (like wifi, graphics, USB, ACPI)
- Features like VirtualBox 5, virtual networking, TOR, Rust, ...
There were two reasons behind this shift.
First, exploring new ways to combine Genode with other technologies (like RISC-V, seL4, Muen) is very exciting from a developer's perspective and creates new opportunities for collaboration. On that account, I am particularly happy about the relationships that we now enjoy with the Muen and seL4 developers.
Second, we realized that the concerns of the existing Genode users should be prioritized over extending the user base. The existing users are primarily interested in API stability and maturity. So personally, I made it my priority to free Genode from legacies and known architectural limitations. Over the year, we introduced and cultivated the new framework API that is designed for safety, achieved cross-kernel binary compatibility, and revised the framework's most fundamental protocols. This was quite a feat! Now, knowing that the time of sweeping architectural changes lies behind us, I feel much more confident that users of Genode will enjoy it.
Even though we largely deviated from our original plan, I am very satisfied with the outcome of the past year. After all, the roadmap is a plan. Plans can be changed.
My goals for 2017
There are still two low-level construction sites left that I want to wrap up, which is the introduction of application binary interfaces (ABI) and ability to dynamically configure the init component. The ABIs largely decouple library implementations from their users and thereby will greatly ease the creation of a scalable package-management system on top of Genode. The dynamic init will potentially cover the use cases of most of today's custom-implemented Genode runtime environments (like launchpad, cli_monitor) by one versatile solution that scales well. This, in turn, will facilitate the creation of more sophisticated and dynamic Genode systems. In contrast to the "Turmvilla" scenario that I am currently using, such systems could be defined and reshaped not only at their build time but during runtime.
With the ABI and dynamic init in place, I'd like to concentrate on stressing the framework, both in terms of using it much more intensively and by creating artificial stress. By the time of the release of version 17.05, Genode should - in principle - be well suited for the the maintenance of a long-term supported version.
When looking at my use of the Turmvilla scenario on my laptop, I see two principle limitations. First, the system is hard to set up. Installing it on a new machine is quite a burden. (i.e., I have shiny new x260 on my desk that gathers dust because I don't find the time to install Genode on it) This needs to be fixed! Second, the system does not stay up to date automatically. I would love to always use the components of the latest master branch so that I can detect and correct regressions that slip through our automated tests. Consequently, I need to craft a solution that allows me to update Genode on the fly and - if anything goes wrong = allows me to roll back to the previous version.
There are many other ideas on the back of my head. But the topics outlined above are the most important ones for me.
Now I am interested in your plans and goals for 2017! ;-)
As every year, I will to consolidate the discussion into the official roadmap by mid of January.
Cheers Norman
-- Dr.-Ing. Norman Feske Genode Labs
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