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Road map for 2023
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Norman Feske
Christian Helmuth
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doc/news.txt
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doc/news.txt
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===========
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Road Map for 2023 | 2023-01-17
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##############################
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| In 2023, we will make the mobile version of Sculpt OS fit for end users,
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| unleash advanced hardware features of Intel platforms,
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| switch to C++20 by default, and run the feature-complete PC version
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| of Sculpt OS on Genode's custom-tailored microkernel.
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After having enabled all hardware features of the PinePhone that are
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fundamental for a mobile phone over the course of the past year, the
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project now aims at getting the mobile version of Sculpt OS into the hands of
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end users. Throughout the year, there will be multiple rounds of field tests
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within the community, allowing us to reach the desired state of maturity and
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usefulness in an iterative way.
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On PC platforms, Genode will increasingly address advanced platform features
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like the distinction between power-efficient and high-performance cores, the
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management of temperatures and frequencies, or the practical use of
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suspend/resume. By the end of the year, we envision the PC version of Sculpt
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OS running on Genode's custom-tailored microkernel leveraging all those
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aspects of modern PC hardware.
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Along the planned timeline of the project, one can spot plenty of additional
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topics of interest such as the continued line of work of combining Genode
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with FPGAs, applications implemented in Rust, the integration of IPv6, the
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use of C++20 by default, or completed driver support for the MNT Reform laptop.
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An exciting year lies ahead of us!
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More details including our reflections of the past year, this year's focus,
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and a rough schedule are presented at our official
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[https:/about/road-map - road-map page].
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Genode OS Framework release 22.11 | 2022-11-30
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##############################################
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218
doc/road_map.txt
218
doc/road_map.txt
@ -14,82 +14,90 @@ The road map is not fixed. If there is commercial interest of pushing the
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Genode technology to a certain direction, we are willing to revisit our plans.
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Review of 2021
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Review of 2022
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##############
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Genode's year 2021 was defined by three extremely challenging lines of work.
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The two main topics of 2022 went hand in hand. First, we reimagined Genode's
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driver landscape across x86 and ARM, universally adopting a new method of
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reusing Linux drivers to great success, and rigidly applying the framework's
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security architecture to driver components. This effort unlocked the second
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major achievement, namely the use of Genode as mobile OS on the PinePhone.
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First, we conquered the territory of GPU support that was ridden with
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uncertainties and seemed almost impenetrable when we started. But at the end
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of the year, our custom Intel-GPU multiplexer has landed in Sculpt OS like it
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always belonged there. In tandem with the Intel-GPU work, we explored the
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Vivante GPU as a representative of an ARM platform. The work required a deep
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dive into the respective GPU architectures and the Mesa software stack. It
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eventually led us to the design of Genode's device-agnostic GPU interfaces.
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Following the introduction of Genode's rigid driver architecture on ARM
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platforms in 2021, we took the year 2022 as opportunity to consistently
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establish this architecture across all platforms.
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We conquered the convoluted world of x86 in greater depth than ever before,
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leaving almost no stone unturned. On top of the new architecture, we built an
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arsenal of fresh driver components, most of them based on our Linux
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device-driver environment. Other drivers had been written from scratch
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specifically for Genode, most prominently our custom Intel GPU multiplexer
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that covers recent hardware generations like Intel Alderlake and Tigerlake.
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The second line of work was concerned with the reuse of Linux drivers as
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Genode components. Over the year, the puzzle pieces of our new Linux
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device-driver environment come together, replacing former confusion and chaos
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with knowledge and order, ultimately uncovering the treasure of Linux drivers
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for Genode with very little friction. On the way, we created new methodology
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and tooling, as well as extensive documentation in the form of the "Genode
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Platforms" document. Thanks to the new drivers ported from the Linux kernel,
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we were able to witness interactive Genode scenarios becoming alive on the
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PinePhone by the end of the year.
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Our intense engagement with the PinePhone was driven by the vision of a
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Genode-based smartphone. It entailed the enablement of device hardware ranging
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from touch screen, over power management, audio, storage, telephony, camera,
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GPU, to mobile-data connectivity. The challenge of getting the hardware to
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cooperate was met by the challenge of enabling meaningful application
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workloads. The ability to run the Chromium-based morph browser directly on
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Genode on the PinePhone is certainly the most prolific result. Moreover, we
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haven't merely managed to get it to work, but we gained detailed guidance
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material ([https://genode.org/documentation/genode-platforms-22-05.pdf - PDF])
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along the way, lowering the barrier of entry for others who wish to port
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Genode to further mobile platforms in the future.
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The third major topic was the growing sophistication of Genode-native
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workloads, with the media features of the Chromium-based browser on 64-bit ARM
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being the most impressive example. Apart from the apparent functional benefits
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for Genode and Sculpt OS, this is the long outstanding validation of some bold
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design decisions we took years ago, in particular the role and architecture of
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the VFS and its interplay with the libc.
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When reviewing the road map for 2021, some items remained uncovered. In
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particular the seL4-related topics became stale. At the end of 2020 - when we
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assembled the road map for the past year - there was a tangible prospect of
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pursuing this topic as funded work. However, those plans were repeatedly
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deferred and remained uncertain. Also, there are some items that have seen
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healthy doses of progress - like the topics related to Ada/SPARK or Goa - but
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received less attention than anticipated. On the other hand, the four releases
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([https://genode.org/documentation/release-notes/21.02 - 21.02],
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[https://genode.org/documentation/release-notes/21.05 - 21.05],
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[https://genode.org/documentation/release-notes/21.08 - 21.08],
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[https://genode.org/documentation/release-notes/21.11 - 21.11])
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of 2021 covered quite a few topics not advertised at the road
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map, e.g., webcam support, Xilinx Zynq, or RISC-V.
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It is fair to say that the level of technical risks we took in 2021 had been
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unprecedented in Genode's development history. We are more than proud of the
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outcome, which will hopefully propel Genode to new heights in 2022.
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Besides these two main lines of development, 2022 was packed with further
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intriguing topics as well. To name a few, we combined Genode with FPGAs for
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new hardware-software co-design opportunities, enabled the use of
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WireGuard-based virtual private networks, experimented with hardware security
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modules, and explored suspend/resume functionality on PC hardware.
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The [https://genode.org/documentation/release-notes/index - documentation] of
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the four releases of 2022 presents the whole picture.
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2022 - Mobile Usability
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#######################
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2023 - Rocking the platforms we support!
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########################################
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After having enabled the first interactive Genode scenarios on the PinePhone
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last year, we plan to take Genode on the PinePhone to a level where we can
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routinely use it for advanced applications, in particular video chat. This
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vision confronts us with a multitude of hard technical nuts to crack such as
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power efficiency, UI latency, quality-of-service of audio processing, drivers
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for multi-media devices, WebRTC performance, and usability. This grand theme
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will not only address the PinePhone specifically. The efficiency gains will
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benefit all Genode use cases large and small.
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Genode has already come a long way to support a variety of device form factors
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ranging from the embedded appliances, over the PinePhone, to PC hardware.
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With the term "support", we used to refer to the principle use of fundamental
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platform features like storage, networking, display, audio, or USB. The needs
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of most real-world scenarios, however, go beyond those functional basics.
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Think of suspend/resume, quick boot times, the deliberate management of
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energy-efficient versus high-performance CPU cores, prolonged standby,
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bounded audio latency, scaling down (towards microcontrollers), and
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scaling up (towards edge-computing platforms).
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Our theme of the Genode-based video chat on the PinePhone fuels several
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ambitions in closely related areas. In particular, we aspire using WireGuard
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to secure private communication, and experiment with the operation of
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hardware-based trust anchors as the basis for encrypted storage and
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communication.
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In 2023, we are going to move from making things work to making things rock!
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Besides the PinePhone, we will steadily nurture the quality and scope of
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driver support on PC hardware, which remains the primary platform for the
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day-to-day use of Sculpt OS. So you can expect us to keep up with recent
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generations of Intel-based hardware. In this area, we plan to make IOMMU
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support available with kernels beyond NOVA, and explore the use of
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power-management features like suspend-resume with Sculpt OS.
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Specifically, to rock the PinePhone, we will invite the community to
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participate in multiple rounds of field tests, allowing us to enable and
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refine advanced features, like prolonged standby, in an iterative way.
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Regarding the PC, we aim at leveraging the different power characteristics
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of CPU cores found in modern Intel platforms, step up our game regarding GPU
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support (peeking at Vulkan), and making suspend/resume a regular feature that
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just works.
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These efforts will be flanked by continuous architectural work that will make
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the framework ever cleaner and leaner, e.g., by reducing the reliance on
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complex C++ features like exceptions, and continuously simplifying the
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framework fundamentals and interfaces. On our mission to attain least
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complexity of the base system, we strive to host the fully featured PC version
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of Sculpt OS on Genode's custom-tailored microkernel by the end of the year.
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In addition to the overarching theme outlined above, the following additional
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topics stood out during our yearly brainstorming session on the mailing list.
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First, several developers expressed their curiosity in working on AMD graphics
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(display and GPU) as a side activity. A second recurring topic was the
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usability of Genode as desktop OS, easing the work with files on Sculpt,
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supporting Drag'n'Drop, tightening the work-flow integration of app-VMs
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using the light-weight Seoul VMM, or the use of Qemu on top of Genode for
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cross development.
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Even though those topics are absent from the timeline below, we can expect
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improvements in these areas throughout the year.
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Milestones for 2022
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Milestones for 2023
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###################
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In the following, we present a rough schedule of the planned work. As usual,
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@ -97,45 +105,73 @@ it is not set in stone. If you are interested in a particular line of work,
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please get in touch.
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February - Release 22.02
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February - Release 23.02
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========================
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* OpenGL in VirtualBox 6
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* Sculpt OS as tool kit for special-purpose OS images
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* PinePhone
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* Modem access
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* Touch-screen compatibility of Sculpt OS
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* Mobile version of Sculpt OS (PinePhone)
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* Ready-to-use system image for first field test
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* Quick switch between different system scenarios as presets
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* On-target system update
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* Boot optimization
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* Goa support for porting 3rd-party libraries to Genode
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* Improved I/O performance (Intel GPU buffer management, VFS I/O batching,
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TCP throughput)
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* Custom IP block for DMA protection on Xilinx Zynq
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* PC suspend/resume mechanism for the base-hw kernel
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* Optimized base-hw multimedia support (kernel scheduling, latency)
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* Completed driver support for MNT Reform 2 laptop (i.e., Wifi)
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* Interactive graphical VMs on ARM
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May - Release 22.05
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May - Release 23.05
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===================
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* Annual update of the "Genode Foundations" book
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* Second edition of the "Genode Platforms" documentation
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* WireGuard VPN
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* Updated drivers for PC hardware (Wifi, Intel framebuffer, USB)
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* New tracing tool with support for CTF and PCAP
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* PinePhone telephony
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* Updated "Genode Foundations" book
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* Tool-chain update, switch to C++20 by default
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* Mobile version of Sculpt OS (PinePhone)
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* First system image fit for general use
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* Reuse of an existing SDK for building applications
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* Integration of file vault and WireGuard
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* Prolonged standby mode
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* Easy installation of user-supplied applications
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* Wifi
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* Principle x86 virtualization support for base-hw kernel (on Qemu)
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* Base-hw kernel support for the tracing of scheduling events
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* Updated DDE-Linux based driver for USB HID and USB network
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* Replacing iPXE network driver by DDE-Linux-based driver
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* Revision of the consistent block encrypter (CBE) + usability improvements
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* Goa support for building simple Rust programs for Genode
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August - Release 22.08
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August - Release 23.08
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======================
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* PinePhone
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* Morph browser
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* Media record and playback capabilities
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* FPGA-powered DMA protection for the Zynq-7000 SoC
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* Kernel-agnostic IOMMU support for PC hardware
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* Optimized GUI latency and synchronization
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* Improved PC platform support
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* Pre-boot ACPI discovery, sandboxing of ACPICA
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* Device & driver restart and/or resume support after ACPI wakeup
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* Support for I2C based HID devices in Intel GEN12 (e.g., touchpad)
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* Management of efficient/performance cores on Intel GEN12
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* Mobile version of Sculpt OS (PinePhone)
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* File-management functionality
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* Support for receiving and sending SMS messages
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* User-level IPv6 routing (using IPv6 by VMs)
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* VirtualBox on Intel hardware running on the base-hw kernel
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* DDE-Linux update to kernel version 6.x
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* System wind-down protocol (component life-cycle management)
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* Exemplary port of non-trivial Rust-based application using Goa
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* Revival of GDB monitor (update, making it easier to use)
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November - Release 22.11
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November - Release 23.11
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========================
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* PinePhone
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* WebRTC-based video chat
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* Power management
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* Base mechanism for suspend-resume on PC hardware
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* Support for hardware-based trust anchor for CBE and WireGuard
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* Software-hardware co-design example for the Zynq-7000 SoC
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* Feature-complete PC version of Sculpt OS on the base-hw kernel
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* IOMMU handled in platform driver
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* Suspend/resume for Sculpt OS on the PC
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* Mobile version of Sculpt OS (PinePhone)
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* GPS, compass
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* Open-street-map client
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* IPv6 protocol stack (lxIP update, using IPv6 by native applications)
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* Revised audio (timing robustness, pluggable drivers, sample-rate conversion)
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* Dynamic VFS configuration
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