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Jesse Buhagiar 375d269b21 Kernel/USB: Prevent system crash via correct UHCI inititilisation 
It seems that not setting the framelist address register
was causing the entire system to lock up as it generated an insane
interrupt storm in the IRQ handler for the UHCI controller.
We now allocate a 4KiB aligned page via
`MemoryManager::allocate_supervisor_physical_page()` and set every
value to 1. In effect, this creates a framelist with each entry
being a "TERMINATE" entry in which the controller stalls until its'
1mS time slice is up.

Some more registers have also been set for consistency, though it
seems like this don't need to be set explicitly in software.
2021-01-09 13:48:15 +01:00
.github Meta: Add test-compress to Github workflow. 2021-01-01 22:23:13 +01:00
AK AK: Add default memory order as template argument for Atomic<T> 2021-01-04 19:13:52 +01:00
Applications SystemMonitor: Add args parsing for opening a specific tab 2021-01-09 13:27:23 +01:00
Base little: Remove "-Os" compile flag 2021-01-09 10:55:46 +01:00
Demos Screensaver: Disable double buffering and hide cursor 2021-01-06 09:31:25 +01:00
DevTools Profiler: Fix disassembly view to work with shared libraries 2021-01-09 10:56:04 +01:00
Documentation Meta+Docs+CI: Require clang-format >= 11 2020-12-31 21:51:00 +01:00
Games Everywhere: Use GUI::CommonActions::make_about_action() 2021-01-04 23:51:49 +01:00
Kernel Kernel/USB: Prevent system crash via correct UHCI inititilisation 2021-01-09 13:48:15 +01:00
Libraries LibGUI: Add set_tab_index method 2021-01-09 13:27:23 +01:00
MenuApplets MenuApplets: Open the correct tab in SystemMonitor on applet click 2021-01-09 13:27:23 +01:00
Meta Meta: Rewrite the check-newlines-at-eof script in python 2021-01-03 23:58:54 +01:00
Ports TextEditor+Meta+Ports+Shell: Remove blank lines at the end of some files 2021-01-03 17:12:50 +01:00
Services WindowServer+LibGUI: Pass the set of mime types being dragged to client 2021-01-09 12:02:07 +01:00
Shell Shell: Run function declarations in the current process 2021-01-06 15:40:45 +01:00
Toolchain Toolchain: Disable exceptions by default 2021-01-04 21:57:03 +01:00
Userland Loader.so+LibELF: Do not read environment variables if AT_SECURE is set 2021-01-09 10:55:46 +01:00
.clang-format Meta: Update .clang-format to not indent nested namespaces 2020-03-14 10:10:21 +01:00
.gitattributes Meta: Add .gitattributes file 2020-07-30 17:07:40 +02:00
.gitignore Revert "Meta: Remove catchall lines in .gitignore (#4565)" 2020-12-28 00:16:46 +01:00
.pre-commit-config.yaml Meta: Update lint-{clang-format,shell-scripts}.sh to take a list of files 2020-12-27 21:25:27 +01:00
.prettierignore Meta: Add lint-prettier.sh 2020-12-27 21:25:27 +01:00
.prettierrc Meta: Move prettier config files to the root of the repository 2020-08-24 18:21:33 +02:00
CMakeLists.txt CMake: Only enable "MacOS workaround" on MacOS 2021-01-07 11:41:05 +01:00
CODE_OF_CONDUCT.md Meta: Move code of conduct (lol) to a separate file 2019-10-23 10:05:06 +02:00
CONTRIBUTING.md Meta+Docs+CI: Require clang-format >= 11 2020-12-31 21:51:00 +01:00
LICENSE Meta: Update project copyright dates (2018-2021) :^) 2021-01-01 01:14:16 +01:00
ReadMe.md Meta: Add Brendan Coles to the contributors list :^) 2020-12-24 10:47:36 +01:00

ReadMe.md

SerenityOS

Graphical Unix-like operating system for x86 computers.

Build status Fuzzing Status

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.

I (Andreas) regularly post raw hacking sessions and demos on my YouTube channel.

Sometimes I write about the system on my github.io blog.

I'm also on Patreon and GitHub Sponsors if you would like to show some support that way.

Screenshot

Screenshot as of 8ea4375

Kernel features

  • x86 (32-bit) kernel with pre-emptive multi-threading
  • Hardware protections (SMEP, SMAP, UMIP, NX, WP, TSD, ...)
  • IPv4 stack with ARP, TCP, UDP and ICMP protocols
  • ext2 filesystem
  • POSIX signals
  • Purgeable memory
  • /proc filesystem
  • Pseudoterminals (with /dev/pts filesystem)
  • Filesystem notifications
  • CPU and memory profiling
  • SoundBlaster 16 driver
  • VMWare/QEMU mouse integration

System services

  • Launch/session daemon (SystemServer)
  • Compositing window server (WindowServer)
  • Text console manager (TTYServer)
  • DNS client (LookupServer)
  • Network protocols server (ProtocolServer)
  • Software-mixing sound daemon (AudioServer)
  • Desktop notifications (NotificationServer)
  • HTTP server (WebServer)
  • Telnet server (TelnetServer)
  • DHCP client (DHCPClient)

Libraries

  • C++ templates and containers (AK)
  • Event loop and utilities (LibCore)
  • 2D graphics library (LibGfx)
  • GUI toolkit (LibGUI)
  • Cross-process communication library (LibIPC)
  • HTML/CSS engine (LibWeb)
  • JavaScript engine (LibJS)
  • Markdown (LibMarkdown)
  • Audio (LibAudio)
  • PCI database (LibPCIDB)
  • Terminal emulation (LibVT)
  • Out-of-process network protocol I/O (LibProtocol)
  • Mathematical functions (LibM)
  • ELF file handling (LibELF)
  • POSIX threading (LibPthread)
  • Higher-level threading (LibThread)
  • Transport Layer Security (LibTLS)
  • HTTP and HTTPS (LibHTTP)

Userland features

  • Unix-like libc and userland
  • Shell with pipes and I/O redirection
  • On-line help system (both terminal and GUI variants)
  • Web browser (Browser)
  • C++ IDE (HackStudio)
  • IRC client
  • Desktop synthesizer (Piano)
  • Various desktop apps & games
  • Color themes

How do I read the documentation?

Man pages are browsable outside of SerenityOS under Base/usr/share/man.

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

How do I build and run this?

See the SerenityOS build instructions

Before opening an issue

Please see the issue policy.

Communication hubs

The main hub is #serenityos on the Freenode IRC network.

We also have a project mailing list: serenityos-dev.

Author

Contributors

(And many more!) The people listed above have landed more than 100 commits in the project. :^)

License

SerenityOS is licensed under a 2-clause BSD license.