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Liav A 2def16a3d2 Kernel/Graphics: Introduce the IntelDisplayConnectorGroup class 
In the real world, graphics hardware tend to have multiple display
connectors. However, usually the connectors share one register space but
still keeping different PLL timings and display lanes.
This new class should represent a group of multiple display connectors
working together in the same Intel graphics adapter. This opens an
opportunity to abstract the interface so we could support future Intel
iGPU generations.

This is also a preparation before the driver can support newer devices
and utilize their capabilities.
The mentioned preparation is applied in a these aspects:
1. The code is splitted into more classes to adjust to future expansion.
2 classes are introduced: IntelDisplayPlane and IntelDisplayTranscoder,
so the IntelDisplayPlane controls the plane registers and second class
controls the pipeline (transcoder, encoder) registers. On gen4 it's not
really useful because there are probably one plane and one encoder to
care about, but in future generations, there are likely to be multiple
transcoders and planes to accommodate multi head support.
2. The set_edid_bytes method in the DisplayConnector class can now be
told to not assume the provided EDID bytes are always invalid. Therefore
it can refrain from printing error messages if this flag parameter is
true. This is useful for supporting real hardware situation when on boot
not all ports are connected to a monitor, which can result in floating
bus condition (essentially all the bytes we read are 0xFF).
3. An IntelNativeDisplayConnector could now be set to flag other types
of connections such as eDP (embedded DisplayPort), Analog output, etc.
This is important because on the Intel gen4 graphics we could assume to
have one analog output connector, but on future generations this is very
likely to not be the case, as there might be no VGA outputs, but rather
only an eDP connector which is converted to VGA by a design choice of
the motherboard manufacturer.
4. Add ConnectorIndex to IntelNativeDisplayConnector class - Currently
this is used to verify we always handle the correct connector when doing
modesetting.
Later, it will be used to locate special settings needed when handling
connector requests.
5. Prepare to support more types of display planes. For example, the
Intel Skylake register set for display planes is a bit different, so
let's ensure we can properly support it in the near future.
2023-02-19 15:01:01 -07:00
.devcontainer Meta: Add libssl-dev as a dependency to the devcontainer 2022-12-16 01:04:11 -07:00
.github Meta: Mark myself as a CODEOWNER of a few more things 2023-02-11 13:26:47 +00:00
AK AK: Allow zero-valued signed size types in format strings 2023-02-19 13:49:07 +01:00
Base Kernel+Userland: Add constants subdirectory at /sys/kernel directory 2023-02-19 13:47:11 +01:00
Documentation Documentation: Fix Ladybird debug instructions 2023-02-14 19:38:29 +01:00
Kernel Kernel/Graphics: Introduce the IntelDisplayConnectorGroup class 2023-02-19 15:01:01 -07:00
Ladybird Ladybird: Add qtwayland to QT_PLUGIN_PATH in nix-shell script 2023-02-19 00:37:51 +01:00
Meta LibTextCodec+Everywhere: Port Decoders to new Strings 2023-02-19 17:15:47 +01:00
Ports Ports: Port wayland-client 2023-02-19 00:37:37 +01:00
Tests LibTextCodec+Everywhere: Port Decoders to new Strings 2023-02-19 17:15:47 +01:00
Toolchain Toolchain: Add fuse2fs to serenity.nix 2023-02-11 00:06:55 +01:00
Userland LibGfx: Use static_cast in ICC writing code 2023-02-19 22:31:41 +01:00
.clang-format Meta: Switch to clang-format-15 as the standard formatter 2022-12-03 23:52:23 +00:00
.clang-tidy Meta: Disable readability-use-anyofallof clang-tidy check 2022-01-09 23:29:57 -08:00
.editorconfig Meta: Add .editorconfig 2022-09-10 17:32:55 +01:00
.gitattributes Repository: Protect port patches from CRLF/LF normalization 2022-01-12 01:08:38 +01:00
.gitignore Meta: Ignore vim's .exrc config 2022-10-06 16:06:50 +01:00
.mailmap Meta: Add mattco98's full name to mailmap 2022-11-23 17:13:49 +00:00
.pre-commit-config.yaml Meta: Add a post-commit commit message linter hook 2021-05-02 16:28:01 +02:00
.prettierignore LibJS: Add DisposableStack{, Prototype, Constructor} 2023-01-23 09:56:50 +00:00
.prettierrc Meta: Move prettier config files to the root of the repository 2020-08-24 18:21:33 +02:00
.ycm_extra_conf.py Meta: Remove i686 references in YCM configuration 2022-12-28 11:53:41 +01:00
azure-pipelines.yml CI: Remove extraneous toolchain job from Azure CI 2022-12-28 15:26:12 -05:00
CMakeLists.txt Meta+CMake: Extract Wasm spec tests into the binary directory 2022-12-14 20:29:43 +03:30
CONTRIBUTING.md Meta: Add Jelle Raaijmakers to list of project maintainers :^) 2023-01-05 00:32:05 +01:00
LICENSE Meta: Update the year range in LICENSE :^) 2023-01-01 09:38:07 +00:00
README.md Meta: Use proper abbreviation for WebAssembly in README 2023-02-06 10:46:34 +01:00
SECURITY.md Meta: Add a security policy 2022-06-29 03:29:27 +00:00

README.md

SerenityOS

Graphical Unix-like operating system for x86-64 computers.

GitHub Actions Status Azure DevOps Status Fuzzing Status Sonar Cube Static Analysis Discord

About

SerenityOS is a love letter to '90s user interfaces with a custom Unix-like core. It flatters with sincerity by stealing beautiful ideas from various other systems.

Roughly speaking, the goal is a marriage between the aesthetic of late-1990s productivity software and the power-user accessibility of late-2000s *nix. This is a system by us, for us, based on the things we like.

You can watch videos of the system being developed on YouTube:

FAQ: Frequently Asked Questions

Screenshot

Screenshot as of b36968c.png

Features

  • Modern x86 64-bit kernel with pre-emptive multi-threading
  • Browser with JavaScript, WebAssembly, and more (check the spec compliance for JS, CSS, and Wasm)
  • Security features (hardware protections, limited userland capabilities, W^X memory, pledge & unveil, (K)ASLR, OOM-resistance, web-content isolation, state-of-the-art TLS algorithms, ...)
  • System services (WindowServer, LoginServer, AudioServer, WebServer, RequestServer, CrashServer, ...) and modern IPC
  • Good POSIX compatibility (LibC, Shell, syscalls, signals, pseudoterminals, filesystem notifications, standard Unix utilities, ...)
  • POSIX-like virtual file systems (/proc, /dev, /sys, /tmp, ...) and ext2 file system
  • Network stack and applications with support for IPv4, TCP, UDP; DNS, HTTP, Gemini, IMAP, NTP
  • Profiling, debugging and other development tools (Kernel-supported profiling, detailed program analysis with software emulation in UserspaceEmulator, CrashReporter, interactive GUI playground, HexEditor, HackStudio IDE for C++ and more)
  • Libraries for everything from cryptography to OpenGL, audio, JavaScript, GUI, playing chess, ...
  • Support for many common and uncommon file formats (PNG, JPEG, GIF, MP3, WAV, FLAC, ZIP, TAR, PDF, QOI, Gemini, ...)
  • Unified style and design philosophy, flexible theming system, custom (bitmap and vector) fonts
  • Games (Solitaire, Minesweeper, 2048, chess, Conway's Game of Life, ...) and demos (CatDog, Starfield, Eyes, mandelbrot set, WidgetGallery, ...)
  • Every-day GUI programs and utilities (Spreadsheet with JavaScript, TextEditor, Terminal, PixelPaint, various multimedia viewers and players, Mail, Assistant, Calculator, ...)

... and all of the above are right in this repository, no extra dependencies, built from-scratch by us :^)

Additionally, there are over two hundred ports of popular open-source software, including games, compilers, Unix tools, multimedia apps and more.

How do I read the documentation?

Man pages are available online at man.serenityos.org. These pages are generated from the Markdown source files in Base/usr/share/man and updated automatically.

When running SerenityOS you can use man for the terminal interface, or help for the GUI.

Code-related documentation can be found in the documentation folder.

How do I build and run this?

See the SerenityOS build instructions. Serenity runs on Linux, macOS (aarch64 might be a challenge), Windows (with WSL2) and many other *Nixes with hardware or software virtualization.

Get in touch and participate!

Join our Discord server: SerenityOS Discord

Before opening an issue, please see the issue policy.

A general guide for contributing can be found in CONTRIBUTING.md.

Authors

And many more! See here for a full contributor list. The people listed above have landed more than 100 commits in the project. :^)

License

SerenityOS is licensed under a 2-clause BSD license.