vasilito
326a6fdd52
A focused batch of small, real improvements from prior sessions. Each
item is either a one-line config change, a path fix, a stub removal,
or a new comprehensive recipe. No stubs added, no workarounds, no
fake fixes.
* local/recipes/libs/libdrm/recipe.toml: enable Intel GPU support
(-Dintel=enabled). Mesa's iris/crocus Gallium drivers need the
Intel backend compiled in. The AMD backend is already enabled.
* local/recipes/libs/libxkbcommon/recipe.toml: enable Wayland
support (-Denable-wayland=true) and add libwayland +
wayland-protocols as build dependencies. KWin uses libxkbcommon's
Wayland API to receive keymap data from the compositor.
Previously the recipe had Wayland disabled, blocking KWin.
* local/recipes/kde/kf6-kded6/recipe.toml: replace a wrapper-script
hack (which renamed kded6 to kded6.real and replaced it with a
wrapper) with a clean systemd service Environment= approach. The
wrapper script is removed (kf6-kded6/source/kded6-wrapper.sh
deleted). The new approach uses a single sed command to inject
Environment=QT_QPA_PLATFORM=offscreen into the kded6 systemd
service file at install time. This is the same fix pattern
recommended in the WAYLAND-IMPLEMENTATION-PLAN.md.
* local/patches/libdrm/02-ioctl-response-sizes.patch: fix the patch
header paths. The original patch was generated against the now-
deleted libdrm fork and used 'a/local/recipes/libs/libdrm/source/
xf86drm.c' style paths. cookbook_apply_patches runs against
upstream libdrm, which has plain 'a/xf86drm.c' paths. Without
this fix, git apply would warn about path mismatch. The hunk
contents are unchanged.
* recipes/libs/libpciaccess/recipe.toml: new comprehensive recipe
for libpciaccess 0.19. Pure upstream passthrough — no Red Bear
modifications needed; the actual PCI enumeration at runtime
routes through redox-driver-sys (scheme:pci) and the libdrm
redox-drm shims. Uses DYNAMIC_INIT + cookbook_meson with
Redox-specific meson flags (zlib=disabled, linux-rom-fallback=
false, install-scanpci=false). Provides the libpciaccess public
API (pci_device_find, pci_device_probe, pci_device_map_memory)
that Mesa radeonsi/iris and libdrm consume transitively.
* recipes/libs/pciaccess-stub: removed. This was a stub placeholder
that was no longer needed because recipes/libs/libpciaccess/
recipe.toml is the real implementation. Per the project's
ZERO TOLERANCE FOR STUBS policy (local/AGENTS.md), stubs must
be removed when real implementations exist.
Red Bear OS
A microkernel operating system written in Rust, derived from Redox OS
What is Red Bear OS?
Red Bear OS is a general-purpose, Unix-like operating system with a microkernel architecture, written in Rust. It is a full fork of Redox OS, with added hardware support, filesystem drivers, and a KDE Plasma desktop path. The current development branch is 0.2.3 and the current Red Bear OS version is 0.2.3 (same as the branch name).
Goals:
- AMD & Intel parity — first-class support for both platforms on bare metal
- KDE Plasma desktop — Wayland-based desktop environment via the KWin compositor
- Hardware GPU acceleration — AMD GPU (amdgpu) and Intel GPU drivers via
redox-drm - Modern subsystems — USB, Wi‑Fi, Bluetooth, ext4, GRUB, D-Bus
- Offline-first builds — reproducible from archived, BLAKE3-verified sources
Quick Start
Prerequisites
Linux x86_64 host with Rust nightly, QEMU, nasm, and standard build tools.
See the Redox Build Guide for full setup.
Build & Run
# Clone
git clone https://gitea.redbearos.org/vasilito/RedBear-OS.git
cd RedBear-OS
# Build and run the desktop target in QEMU
./scripts/run.sh --build
# Build a live ISO for bare metal
./scripts/build-iso.sh redbear-full
# Build the text-only recovery target
./scripts/run.sh --build --config redbear-mini
Repository Hosting
The canonical Red Bear OS Git server is Gitea at
https://gitea.redbearos.org/vasilito/RedBear-OS.git. GitHub is not a Red Bear OS source of
truth and must not be used for pushes, issues, releases, or project coordination.
Public Scripts
| Script | Purpose |
|---|---|
scripts/run.sh |
Build and run in QEMU (-b to build, -c <config> for target) |
scripts/build-iso.sh |
Build a live ISO for bare-metal boot |
scripts/build-all-isos.sh |
Build all live ISO targets |
scripts/network-boot.sh |
PXE network boot helper |
scripts/dual-boot.sh |
Dual-boot installation helper |
Config Targets
| Target | Type | Description |
|---|---|---|
redbear-full |
Desktop | Wayland + KDE + GPU drivers + D-Bus services |
redbear-mini |
Console | Text-only recovery / install target |
redbear-grub |
Console | Text-only with GRUB boot manager |
Current Status
Red Bear OS boots to a login prompt in QEMU with working wired networking, D-Bus system bus, hardware detection daemons, and filesystem support (RedoxFS, ext4, FAT).
| Area | Status |
|---|---|
| Boot (ACPI/x2APIC/SMP) | ✅ Bare-metal proven |
| Userspace drivers (PCI, storage, net) | ✅ Working in QEMU |
| D-Bus system bus + services | ✅ Working (login1, PolicyKit, UDisks, UPower) |
| ext4 / FAT filesystems | ✅ Compiles, installer-wired |
| POSIX gaps (relibc) | 🚧 Bounded Wayland-facing support |
| DRM/KMS display drivers | 🚧 AMD + Intel compile; HW validation pending |
| Wayland compositor | 🚧 Bounded proof; Qt6/KF6 clients crash at init |
| KDE Plasma desktop | 🔄 In progress (Qt6/KF6 compile; KWin/QML blocked) |
| Wi‑Fi / Bluetooth | 📋 Planned (architected, implementation pending) |
How It Works
Red Bear OS uses a userspace driver model — all drivers run as unprivileged daemons:
Kernel (microkernel)
└── schemes: memory, irq, event, pipe, debug
└── Driver daemons (userspace)
├── pcid → PCI enumeration
├── e1000d → Intel ethernet
├── xhcid → USB controller
└── vesad → Display framebuffer
The kernel provides minimal services (memory, interrupts, IPC). Everything else — filesystems, networking, graphics, input — runs in userspace.
Documentation
- Implementation Plan — roadmap and execution model
- Desktop Path Plan — kernel → DRM → Mesa → Wayland → KDE
- D-Bus Integration — session bus architecture
- USB Plan — USB stack design
- Wi‑Fi Plan — wireless architecture
- Bluetooth Plan — BT stack design
- Documentation Index — full doc map
Contributing
Red Bear OS uses a full fork model. Upstream Redox sources are frozen and archived. All custom work lives in local/:
local/
├── sources/ # Red Bear source forks (git repos, directly editable)
├── recipes/ # Custom packages (drivers, GPU, system)
├── docs/ # Integration and planning docs
└── scripts/ # Build, test, and release tooling
We welcome contributions made with or without AI assistance — we care about quality, not how the code was produced.
License
MIT — same as upstream Redox OS.