x2APIC ICR mode fix cannot be a forward patch because P16-1-sipi-timing
references the ICR line as context. Modifying P1 (which introduces the line)
would require updating P16-1's offsets. Will address by consolidating into
an existing early patch in a future revision.
- Add RawFb struct: direct framebuffer rendering via physmap
- Add RawTextScreen: simple text renderer using orbclient font
- Fallback in FbbootlogScheme::new() when V2GraphicsHandle fails
- Reads FRAMEBUFFER_ADDR/WIDTH/HEIGHT/STRIDE from bootloader env
- Scroll via ptr::copy on pixel rows, clear bottom line
- No DRM, no shadow buffer, no GPU required — like MS-DOS text mode
- Add common dependency to fbbootlogd Cargo.toml
- Fix LocalX2Apic handler: use local_apic.x2 to select correct ICR
format (<<32 for x2APIC, <<56 for xAPIC) instead of hardcoded <<32
- Promote x2APIC/xAPIC detection from debug! to info! for bootlog
- Document build system durability in AGENTS.md: cardinal rule,
two-layer architecture, correct workflow, anti-patterns
P5: Enable PRIME export for GBM dumb buffers so virgl can import scanout\nbuffers via fd-to-handle.
P6: Add redox_probe_device_hw() that opens /scheme/drm/card0, resolves the\nDRI driver via PCI ID lookup (loader_get_driver_for_fd), and initializes the\nhardware path through dri2_load_driver_dri3 with __DRIimageLoaderExtension.\nIncludes fprintf(stderr) debug logging tagged [REDOX-EGL] for tracing the\nHW init sequence. Falls back to software rendering if HW probe fails.
Red Bear OS is a full fork. All sources must be available from git clone
with zero network access. Removed gitignore rules that excluded fetched
source trees under recipes/*/source/, local/recipes/kde/*/source/,
local/recipes/qt/*/source/, and vendor source trees.
Build artifacts (target/, build/, source.tar, *.o, *.so) remain excluded.
127291 files added — kernel, relibc, base, bootloader, pkgar, all KDE/Qt
frameworks, mesa, wayland, DRM drivers, and every other recipe source.
Consolidate ~30 absorbed base patches into surviving carriers. Add
new init service files, driver sources, and network/storage modules
for the base recipe. Move absorbed patches to local/patches/base/absorbed/.
Fixes C compilation failures where signal.h (via signalfd_siginfo struct)
uses uint32_t/int32_t/uint64_t without stdint.h being transitively included.
The include chain signal.h -> sys/types.h -> sys/types/internal.h lacked
stdint.h, causing 'unknown type name' errors for uint32_t, uint8_t, and
uintptr_t in any C package compiling against the relibc sysroot headers.
Affected: diffutils, libiconv, and all packages whose autoconf checks
included <signal.h> and failed on the missing stdint types.
Added 'stdint.h' to sys_includes in sys_types_internal/cbindgen.toml.
Durable in local/patches/relibc/P3-sys-types-stdint-include.patch.
- procmgr.rs: SIGCHLD EPERM → debug (backed by P0-procmgr-sigchld-debug.patch)
- 40_ps2d.service: type notify → oneshot_async (PS/2 doesn't block boot)
Both were working-tree changes flagged by Oracle as not committed.
Phase S1 (Critical Correctness):
- sem_open/sem_close: global refcounting via BTreeMap + AtomicUsize
- sem_close: decrements refcount, munmaps only at zero
- sem_open: reuses existing mapping, O_EXCL returns EEXIST
- sem_unlink: marks entry for removal before shm_unlink
- va_list parsing: reads mode_t and value from stack after oflag
- All 11 sem_* functions verified in libc.so T
Phase S2-S4 (Designed, documented):
- eventfd() function, signalfd read path, EINTR handling
- name canonicalization, cancellation safety
- Full plan in local/docs/RELIBC-AGAINST-GLIBC-ASSESSMENT.md
Reference: glibc 2.41 cloned to local/reference/glibc/
Boot verified: greeter ready on VT 3 with refcounted semaphores
Generated from clean 866dfad0 + consolidated.patch state via diff.
Two hunks for x86_64: comment on line 87 and info! on line 110.
aarch64 (line 94) and riscv64 (line 100) — one hunk each.
Verified: patch applies with --fuzz=0 on top of redbear-consolidated.
Wired into kernel recipe after P8-msi.patch.
check-unwired-patches.sh: scans local/patches/ for .patch files not
referenced in any recipe.toml patches = [...] array. Detects 262
unwired patches (most intentionally kept for reference/rebase).
P2-rebrand-start-message.patch: minimal 39-line patch changing
'Redox OS starting' to 'RedBear OS starting' in x86_64, aarch64,
and riscv64 arch start files. Wired into kernel recipe after
P8-msi.patch. Verified: make r.kernel builds with all 3 patches.
Build system issues surfaced by the detector:
- 250+ kernel individual patches kept for reference (absorbed/)
- ~50 base individual patches — many intentionally unwired
- ~30 relibc patches — may need wiring into relibc recipe
- build-system patches applied by scripts, not recipes
P6-e1000d-msi-migration.patch conflicts with P6-driver-main-fixes.patch
— both modify e1000d/src/main.rs at overlapping lines. The MSI migration
must be merged into P6-driver-main-fixes during the upcoming P6 rebase.
P6-e1000d-msi-migration.patch preserved in local/patches/base/ for reference.
e1000d was the last NIC driver using legacy IRQ (irq.irq_handle()).
Migrated to pci_allocate_interrupt_vector which tries MSI-X first,
then MSI, then falls back to legacy INTx — matching rtl8168d, rtl8139d,
ihdad, ihdgd, and nvmed.
63-line patch at local/patches/base/P6-e1000d-msi-migration.patch,
symlinked and wired into recipes/core/base/recipe.toml.
Base: fix P6-driver-new-modules.patch (ed format -> unified diff) for new
driver modules (ncq, itr, phy). P6-driver-main-fixes.patch now applies with
offset on current upstream source.
Relibc: remove stale P5-named-semaphores (upstream has stubs), add
P10-stack-size-8mb and P11-getrlimit-getrusage (per-process rlimit table,
sysconf integration, getdtablesize fix, null-pointer safety).
Kernel: consolidate 29 individual patches into single redbear-consolidated.patch.
Userutils: P5-redbear-branding replaces P4-login-rate-limit.
Recipe.toml changes now committed so they survive source resets.
MouseTx::handle() treated 0xFE (PS/2 RESEND) as an unknown response,
causing mouse init to fail on hardware where the mouse requests a
resend during the reset/command exchange. Now resends the current
command byte when the mouse returns 0xFE, matching the PS/2 protocol.
Bootloader hardcoded RedoxFS partition offset at 2 MiB, which fails when
efi_partition_size > 1 (redbear-full, redbear-grub use 16 MiB, placing
RedoxFS at LBA 34816 = 17 MiB). Added GPT partition table parser that
scans for Linux filesystem GUID (0FC63DAF) to find the actual offset.
Also removed invalid 'respawn = true' from 31_debug_console.service in
redbear-full.toml — init's service format does not support this field.
Verified: all three ISOs boot in QEMU UEFI and reach login prompt.
Add redbear-usb-storage-check in-guest binary that validates USB mass
storage read and write I/O: discovers /scheme/disk/ devices, writes a
test pattern to sector 2048, reads it back, verifies match, restores
original content. Updates test-usb-storage-qemu.sh with write-proof
verification step.
Includes all accumulated Red Bear OS work: kernel patches, relibc
patches, driver infrastructure, DRM/GPU, KDE recipes, firmware,
validation tooling, build system hardening, and documentation.
vasilito