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----
-title: Project contributors
-x-toc-enable: true
-...
-
-Diese Liste gibt nicht unbedingt wieder wer derzeit an dem Projekt arbeitet,
-aber sie listet die Leute auf die bedeutsame Beiträge für das Projekt geleistet
-haben.
-
-Sofern wir vergessen haben dich zu erwähnen, gib uns Bescheid und wir werden
-dich hinzufügen. (Oder gib uns Bescheid sofern Du nicht erwähnt werden
-möchtest, und wir entfernen deinen Eintrag)
-
-Information darüber wer an Libreboot arbeitet, wie das Projekt funktioniert,
-findest Du auf dieser Seite: [who.de.md](who.de.md)
-
-Du kannst die Geschichte hinter dem Libreboot Projekt erfahren, indem Du
-einfach diese Seite liest. Sie geht ins Detail über alle maßgeblichen Beiträge
-zum Projekt, und grundsätzlich wie das Projekt entstanden ist (und wer geholfen
-hat es aufzubauen).
-
-Leah Rowe
----------
-
-**Gründerin des Libreboot Pprojekts, und derzeit Chefin der Entwicklung.** Leah
-arbeitet an allen Aspekten von libreboot, wie z.B.:
-
-* Generelle Verwaltung. Leah verwaltet alle externen Beiträge zu Libreboot,
- überprüft Pull Requests, kümmert sich um Bug Reports, delegiert Aufgaben
- sofern notwendig und erwünscht. Leah kontrolliert die libreboot.org Server
- Infrastruktur, welche in ihrem Labor gehosted werden.
-* Leah hat das endgültige Sagen bei allen Entscheidungen, mit Rücksicht
- auf Beiträge aus öffentlichen Diskussionen, hauptsächlich auf IRC.
- Leah überprüft Libreboot Releases, hält das Projekt grundsätzlich am Laufen.
- Ohne Leah würde es Libreboot nicht geben!
-* Das Build System (lbmk, kurz für libreboot Make). Dies ist das automatische
- Build System welches das Herz von Libreboot ausmacht; es lädt herunter,
- patcht, konfiguriert und kompiliert die relevanten Komponenten wie Coreboot,
- GRUB, und generiert Libreboot ROM Images die Du in den Archiven der Veröffentlichungen
- finden kannst.
-* Upstream Arbeit an Coreboot, sofern notwendig (und andere Projekte die
- von Libreboot verwendet werden). Dies bedeutet auch Zusammenarbeit
- mit Menschen außerhalb des Libreboot Projekts, um Patches hinzuzufügen
- (neben andern Dingen) bei den Upstream Projekten die Libreboot verwendet.
-* Hilfe für Benutzer zur Verfügung stellen auf IRC
-
-Caleb La Grange
----------------
-
-**Sekundärer Entwickler, Nummer zwei hinter Leah.** Caleb ist ein Volzeit
-Libreboot Entwickler mit einem engeren Fokus. Caleb konzentriert sich auf
-verschiedene Bereiche der Entwicklung:
-
-* Build System. Caleb ist zuständig für Weiterentwicklung und Verbesserung
- des Libreboot Make build Systems. Im Speziellen: Verwaltung Binärer Blobs,
- Automation und Reproduzierbarkeit.
-* Hardware Modifikation. Caleb hat eine Leidenschaft für Hardware Alternierung;
- Löten, ablöten und Libreboot auf der resultierenden Hardware testen.
-* Portieren neuer Mainboards. Alles was von Coreboot unterstützt wird, kann
- zu Libreboot portiert werden, Caleb testet und portiert jedes Mainboard
- das er in die Finger bekommt. Zudem kann jeder Caleb kontaktieren um ein
- Libreboot ROM für den Test seines Mainboards generieren zu lassen.
-* Dokumentation. Caleb pflegt aktiv die Dokumentation für die oben genannten
- Interessensbereiche. Caleb ist verantwortlich für die Demontage Anleitungen
- mit seinen eigenen Bildern und Diagrammen für diverse Mainboards.
-* Hilfe für Benutzer. Caleb ist auf IRC aktiv und gewillt jedem der Hilfe
- benötigt oder an der Verwendung von Libreboot interessiert ist zu helfen.
-* Projektziele. Caleb kollaboriert mit Leah um die Ziele des Projekt festzulegen.
- Leah hat das endgültige Wort bei allen Entscheidungen.
-
-Externe Projekte
-=================
-
-Coreboot Projekt
-----------------
-
-Ohne coreboot, wäre Libreboot Projekt schlicht und ergreifend nicht möglich.
-
-Die Menschen und Firmen die an Coreboot arbeiten sind zahlreich, und sie
-machen das Libreboot Projekt zu dem was es ist. Das Libreboot Projek verwendet
-Coreboot erheblich um Hardware Initialisierung bereitzustellen.
-
-
-GRUB
---------
-
-GRUB ist der Bootloader der von Libreboot verwendet wird. Es ist wohl
-überflüssig zu erwähnen das die GRUB Entwickler Libreboot durch ihre Arbeit
-ermöglichen.
-
-SeaBIOS
--------
-
-Die Libreboot Firmware stellt SeaBIOS als Payload Option zur Verfügung.
-SeaBIOS bietet eine Legacy x86 BIOS Implementation.
-
-U-Boot
-------
-
-Libreboot verwendet U-Boot als Coreboot Payload auf unterstützten ARM Chromebooks.
-
-Mitwirkende in alphabetischer Reihenfolge
-==================================
-
-Alper Nebi Yasak
-----------------
-
-Contributed the build system integration and documentation for using
-U-Boot as payload, and initial Libreboot ports of some ARM Chromebooks
-based on that.
-
-Alper also does upstream development on U-Boot, e.g. continued an almost
-complete port of the `gru-kevin` board and got it merged upstream.
-
-Alyssa Rosenzweig
------------------
-
-Switched the website to use markdown in lieu of handwritten HTML and custom
-PHP. **Former libreboot project maintainer (sysadmin for libreboot.org).**
-
-Alyssa wrote the original static site generator (shell scripts converting
-markdown to html, via pandoc) for libreboot.org. This static site generator has
-now been heavily modified and forked into a formal project, by Leah Rowe:
-
- (untitled is Leah's work, not Alyssa's, but it's based on
-Alyssa's original work on the static site generator that Libreboot used to use;
-the Libreboot website is now built with Untitled)
-
-Andrew Robbins
---------------
-
-Worked on large parts of Libreboot's old build system and related documentation.
-Andrew joined the Libreboot project as a full time developer during June 2017,
-until his departure in March 2021.
-
-I, Leah Rowe, am very grateful to Andrew Robbins for his numerous contributions
-over the years.
-
-Arthur Heymans
---------------
-
-Merged a patch from coreboot into libreboot, enabling C3 and C4 power
-states to work correctly on GM45 laptops. This was a long-standing issue
-before Arthur's contribution. Arthur also fixed VRAM size on i945 on
-GM45 systems, allowing maximum VRAM allocation for the onboard GPUs on
-these systems, another longstanding issue in libreboot.
-
-Arthur also did work on the Libreboot build system, when he was a member of the
-project. He still works on coreboot, to this day, and Libreboot greatly
-benefits from his work. His contributions to the coreboot project, and Libreboot,
-are invaluable.
-
-Damien Zammit
--------------
-
-Maintains the Gigabyte GA-G41M-ES2L coreboot port, which is integrated
-in libreboot. Also works on other hardware for the benefit of the
-libreboot project.
-
-Damien didn't work directly on Libreboot itself, but he worked heavily with
-Leah Rowe, integrating patches and new board ports into Libreboot, based on
-Damien's upstream work on coreboot.
-
-Denis Carikli
--------------
-
-Based on the work done by Peter Stuge, Vladimir Serbinenko and others in
-the coreboot project, got native graphics initialization to work on the
-ThinkPad X60, allowing it to be supported in libreboot. Denis gave
-a lot of advice and helped found the libreboot project.
-
-Denis was a mentor to Leah Rowe in the early days, when she founded the
-Libreboot project. A lot of the decisions taken, especially with the
-Libreboot build system (lbmk), were inspired from talks with Denis.
-
-Denis taught Leah about registers used by Intel GPUs for backlight control. In
-the early days, the ThinkPad X60 and T60 laptops in Libreboot did not have
-backlight control working, so the brightness was always 100%. With Denis's help,
-Leah was able to get backlight controls working by reverse engineering the
-correct values to write in those registers. Based on this, a simple fix was
-written in coreboot; however, the fix just wrote directly to the register and
-didn't work with ACPI based brightness controls. Others in coreboot later
-improved it, making ACPI-based backlight controls work properly, based on this
-earlier work.
-
-Ferass El Hafidi
---------
-
-Added cstate 3 support on macbook21, enabling higher battery life and cooler
-CPU temperatures on idle usage.
-
-Also has a series of extensive improvements to the entire Libreboot system;
-for example, Ferass made the entire build system use POSIX `sh`, removing
-bashisms that previously plagued it.
-
-This is IRC nick `f_` on Libreboot IRC. Cool guy!
-
-Jeroen Quint
-------------
-
-Contributed several fixes to the libreboot documentation, relating to
-installing on Arch-based systems with full disk encryption on libreboot
-systems.
-
-Joshua Gay
-----------
-
-Joshua is former FSF staff.
-
-Joshua helped with the early founding of the Libreboot project, in his capacity
-(at that time) as the FSF's licensing and compliance manager. It was his job to
-review products sent into to the FSF for review; the FSF has a certification
-program called *Respects Your Freedom* (RYF) where the FSF will promote your
-company's products if it comes with all Free Software.
-
-I, Leah Rowe, was initially just selling ThinkPad X60 laptops with regular
-coreboot on them, and this included CPU microcode updates. At the time, I didn't
-think much of that. Joshua contacted me, in his capacity at the FSF, and asked
-if I would be interested in the FSF's RYF program; I was very surprised that the
-FSF would take me seriously, and I said yes. This is what started the early
-work on Libreboot. Joshua showed me all the problems my products had, and from
-that, the solution was clear:
-
-A project needed to exist, providing a fully free version of coreboot, without
-any binary blobs. At the time (and this is still true today), coreboot was not
-entirely libre software and shipped with binary blobs by default. In particular,
-CPU microcode updates were included by default, on all x86 machines. Working
-with Joshua who reviewed my work, I created a fully free version of coreboot.
-At first, it wasn't called Libreboot, and the work was purely intended for my
-company (at that time called Gluglug) to be promoted by the FSF.
-
-Joshua used his media connections at the FSF to heavily promote my work, and
-on December 13th, 2013, the Libreboot project was born (but not called that).
-Joshua made sure that everyone knew what I was doing!
-
-A few months later, the name *Libreboot* was coined, and the domain name
-*libreboot.org* was registered. At that point, the Libreboot project (in early
-2014) was officially born. Once again, Joshua provided every bit of help he
-could, heavily promoting the project and he even wrote this article on the FSF
-website, announcing it:
-
-
-
-Klemens Nanni
--------------
-
-Made many fixes and improvements to the GRUB configuration used in
-libreboot, and several tweaks to the build system.
-
-Lisa Marie Maginnis
--------------------
-
-Lisa is a former sysadmin at the Free Software Foundation. In the early days of
-the project, she provided Leah with a lot of technical advice. She initially
-created Libreboot IRC channel, when Leah did not know how to
-use IRC, and also handed +F founder status to Leah for the channel. As an FSF
-sysadmin, it was Lisa's job to maintain a lot of the infrastructure used by
-Libreboot; at the time, mailing lists on the Savannah website were used by
-the Libreboot project. When Paul Kocialkowski was a member of the project in
-2016, she helped him get help from the FSF; he was the leader of the Replicant
-project at the time, which had funding from the FSF, and the FSF authorized him
-to use some of that funding for his work on Libreboot, thanks to Lisa's
-encouragement while she worked at the FSF.
-
-Lisa also stepped in when Leah Rowe missed her LibrePlanet 2016 talk. Leah was
-scheduled to do a talk about Libreboot, but didn't show up in time. Lisa, along
-with Patrick McDermott (former Libreboot developer, who was present at that
-conference) did the talk in Leah's place. The talk was never recorded, but the
-Free Software Foundation has these photos of that talk on their LibrePlanet
-website (the woman with the blue hair is Lisa, and the long-haired dude with the
-moustache is Patrick):
-
-
-
-
-
-Fun fact: Patrick is also the lead developer of ProteanOS, an FSF-endorsed
-embedded OS project: (uses BusyBox and Linux-libre)
-
-Leah Rowe ran *2* LibrePlanet workshops; one in 2015 and another in 2016, while
-visiting Boston, MA, USA on both occasions to attend these conferences. These
-workshops were for Libreboot installations. People came to both workshops, to
-have Libreboot installed onto their computers. As FSF sysadmin, at that time,
-Lisa provided all of the infrastructure and equipment used at those workshops.
-Without her help, those workshops would have not been possible.
-
-When the ASUS KGPE-D16 mainboard (high-end server board) was ported to Libreboot,
-Leah, working with Timothy Pearson (the one who ported it), shared patches back
-and forth with Lisa around mid 2016, mostly raminit patches, to get the board
-running at the FSF offices. This work ultimately lead to a most wonderful
-achievement:
-
-The FSF and GNU websites now run on
-Librebooted ASUS KGPE-D16 based servers, on a fully free GNU+Linux distro. This
-means that the FSF now has full software freedom for their hosting infrastructure.
-
-The FSF also provides access to this infrastructure for many other projects
-(besides GNU projects); for example, Trisquel uses a D16 provided by the FSF
-for their development server used for building Trisquel releases and testing
-changes to the Trisquel GNU+Linux distribution. Trisquel is a fully free
-GNU+Linux distribution, heavily promoted by the FSF.
-
-Lisa was a strong supporter of Libreboot in the very early days of the project,
-and her contributions were invaluable. I, Leah Rowe, owe her a debt of gratitude.
-
-Marcus Moeller
---------------
-
-Hat das Libreboot Logo erstellt.
-
-Nicholas Chin
--------------
-
-[Hat den Dell Latitude E6400 zu Libreboot portiert](news/e6400.md).
-
-Patrick "P. J." McDermott
----------------------------
-
-Patrick also did a lot of research and wrote the libreboot FAQ section
-relating to the [Intel Management Engine](../faq.md#intelme), in addition
-to making several improvements to the build system in libreboot. **Former
-libreboot project maintainer.**
-
-In 2016, Leah Rowe ran a Libreboot installation workshop at the FSF's
-LibrePlanet conference. Working alongside Leah, Patrick helped run the workshop
-and assisted with installing Libreboot onto people's machines.
-
-Paul Kocialkowski
------------------
-
-Ported the ARM (Rockchip RK3288 SoC) based *Chromebook* laptops to
-libreboot. Also one of the main [Replicant](http://www.replicant.us/)
-developers.
-
-Paul Menzel
------------
-
-Investigated and fixed a bug in coreboot on the ThinkPad X60/T60 exposed
-by Linux kernel 3.12 and up, which caused 3D acceleration to stop
-working and video generally to become unstable. The issue was that coreboot,
-when initializing the Intel video chipset, was mapping *GTT Stolen Memory* in
-the wrong place, because the code was based on kernel code and the Linux kernel
-had the same bug. When Linux fixed it, it exposed the same bug in coreboot.
-
-Paul worked with Libreboot on
-this, sending patches to test periodically until the bug was fixed
-in coreboot, and then helped her integrate the fix in libreboot.
-
-Peter Stuge
------------
-
-Helped write the [FAQ section about DMA](../faq.md#hddssd-firmware), and provided
-general advice in the early days of the project. Peter was a coreboot developer
-in those days, and a major developer in the *libusb* project (which flashrom
-makes heavy use of).
-
-Peter also wrote the *bucts* utility used to set Backup Control (BUC) Top Swap
-(TS) bit on i945 laptops such as ThinkPad X60/T60, which is useful for a
-workaround to flash Libreboot without using external hardware; on this machine,
-with Lenovo BIOS present, it's possible to flash everything except the main
-bootblock, but Intel platforms have 2 bootblocks, and you specify which one is
-to be used by setting the TS bit. You then boot with only one bootblock flashed
-(by the coreboot project's bootblock on that machine), and afterwards you reset
-bucts before flashing the ROM again, to flash the main bootblock. Libreboot
-hosts a copy of his work, because his website hosting bucts is no longer
-responsive.
-
-Riku Viitanen
--------------
-
-Added support for HP Elite 8200 SFF desktop PC to Libreboot. You can read
-about this in the hardware page:
-
-[HP Elite 8200 SFF](docs/hardware/hp8200sff.md)
-
-Steve Shenton
--------------
-
-Steve did the early reverse engineering work on the Intel Flash Descriptor used
-by ICH9M machines such as ThinkPad X200. He created a C struct defining (using
-bitfields in C) this descriptor region. With some clever tricks, he was able to
-discover the existence of a bit in the descriptor for *disabling* the Intel ME
-(management engine) on those platforms.
-
-His initial proof of concept only defined the descriptor, and would do this:
-
-* Read the default descriptor and GbE regions from a Lenovo X200 ROM (default
- firmware, not coreboot)
-* Disable the ME, by setting 2 bits in the descriptor
-* Disable the ME region
-* Move descriptor+GbE (12KiB in total) next to each other
-* Allocate the remaining flash space to the BIOS region
-* Generated the 12KiB descriptor+GbE region, based on this, to insert into a
- coreboot ROM image.
-
-In the early days, before Libreboot supported GM45+ICH9M platforms such as
-ThinkPad X200/T400, you could use those machines but to avoid the Intel ME you
-had to flash it without a descriptor region. This worked fine in those days,
-because the ME only handled TPM and AMT on those machines, and the system would
-work normally, but that Intel Flash Descriptor also handles the Intel GbE NVM
-region in flash, which is used for the Intel Gigabit Ethernet interface.
-
-So you either had Intel ME, or no ethernet support. Steve figured out how to
-disable the Intel ME via 2 toggle bits in the descriptor, and also how to
-remove the Intel ME region from flash.
-
-Based on his research, I, Leah Rowe, working alongside Steve, also reverse
-engineered the layout of the Intel GbE NVM (non-volatile memory) region in the
-boot flash. This region defines configuration options for the onboard Intel
-GbE NIC, if present.
-
-Based on this, I was able to take Steve's initial proof of concept and write
-the `ich9gen` utility, which generates an Intel Flash Descriptor and GbE NVM
-region, from scratch, without an Intel ME region defined. It is this tool,
-the `ich9gen` tool, that Libreboot uses to provide ROM images for GM45+ICH9M
-platforms (such as ThinkPad X200/T400/T500/W500), with a fully functional
-descriptor and functional Gigabit Ethernet, but *without* needing Intel
-Management Engine (ME) firmware, thus making those machines *libre* (the ME
-is fully disabled, when you use a descriptor+gbe image generated by `ich9gen`).
-
-With *my* `ich9gen` tool (Steve's tool was called `ich9deblob`), you didn't
-need a dump of the original Lenovo BIOS firmware anymore! I could not have
-written this tool, without Steve's initial proof of concept. I worked with him,
-extensively, for many months. All GM45+ICH9M support (X200, T400, etc) in
-Libreboot is made possible because of the work he did, back in 2014.
-
-Swift Geek
-----------
-
-Contributed a patch for ich9gen to generate 16MiB descriptors.
-
-After that, Swift Geek slowly became more involved until he became a full time
-developer. Swift Geeks contributions were never really in the form of *code*,
-but what he lacked in code, he made up for in providing excellent support, both
-to users and other developers, helping others learn more about technology at a
-low level.
-
-When Swift Geek was a member of the project, his role was largely providing
-user support (in the IRC channel), and conducting research. Swift Geek knows a
-lot about hardware. Swift Geek also did some upstream development on GRUB.
-
-Swift Geek has provided technical advice on numerous occasions, to Leah Rowe,
-and helped her to improve her soldering skills in addition to teaching her
-some repair skills, to the point where she can now repair most faults on
-ThinkPad mainboards (while looking at the schematics and boardview).
-
-Swiftgeek left the project in March 2021. I, Leah Rowe, wish him all the best
-in his endeavours, and I'm very grateful to his numerous contributions over the
-years.
-
-Timothy Pearson
----------------
-
-Ported the ASUS KGPE-D16 board to coreboot for the company Raptor
-Engineering of which Timothy is the CEO.
-Timothy maintains this code in coreboot,
-helping the project with the libreboot integration for it. This person's
-contact details are on the raptor site.
-
-**D16 support was removed on 19 November 2022. You can still use older
-revisions of Libreboot, and older release versions.**
-
-Vladimir Serbinenko
--------------------
-
-Ported many of the thinkpads supported in libreboot, to coreboot, and
-made many fixes in coreboot which benefited the libreboot project.
-
-Vladimir wrote a lot of the original video initialization code used by various
-Intel platforms in Libreboot, when flashing it (now rewritten
-by others in Ada, for libgfxinit in coreboot, but originally it was written in
-C and included directly in coreboot; libgfxinit is a 3rdparty submodule of
-coreboot).