| Commit message (Collapse) | Author | Age | Files | Lines |
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wm: FOCUSED is now a plain window id — window 0 (home terminal) is an
ordinary focusable window in the z-order. The CONSOLE sentinel
(usize::MAX) and the focused()==0 special cases are gone; focus_console()
is an alias for focus(0). Desktop clicks focus window 0. The WM input
pump routes every key unconditionally: IRQ ring -> pump -> focused
window's owner; nothing polls the scancode rings directly any more.
tty: read_line() reads from the calling task's message queue (the old
global-ring read_line and the duplicate read_line_from_queue are merged);
raw mode (read_byte/try_read_byte) consumes the same queue;
interrupt_pressed drains the queue instead of the ring.
shell: task 0 owns home terminal window 0 and blocks on its queue like a
windowed shell; cat/hexdump stdin paths pass the home terminal handle.
sched: watchdog comments updated (shell parks on recv_blocking).
Verified in QEMU: F1 spawns terminals, F2 cycles focus home->term1->
term2, keystrokes land only in the focused window, ^C cancels a line,
edit runs raw over the queue and exits to a working prompt; test-disk
regression PASS.
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- draw_window_border(): 1px border around every window except the root.
Blue (TITLE_BG_FOCUS) when focused, grey (TITLE_BG) when not.
- focus() / focus_console(): composite the full window area + border pad
on both the old and new focused windows (was title-bar-only before).
- flush(): include border pad in the damage rectangle.
- move_window(): redraw border area at old and new positions.
- Remove redundant term.flush() from tty Focus handler (focus() covers it).
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focus() only composites the title bar — the window content stays
stale until the next write. Call term.flush() on Focus(true) so
the full window is re-composited immediately when switching to it.
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- tty: read_line_from_queue() now takes &mut Terminal and handles
TaskMsg::Focus: Focus(true) sets ACTIVE to the terminal,
Focus(false) clears it. This fixes the bug where the console
shell's gop_print! output was redirected to the soft terminal
even after focus switched away from it.
- shell: run_windowed() passes the terminal through to read_line_from_queue.
- wm: remove noisy per-key debug logging from pump_main.
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Architecture:
- vt: ACTIVE terminal redirect — when set, all gop_print!/put_char/write_str
go there instead of HOME. Terminal::from_buffer() renders into a
WM-owned pixel buffer.
- tty: read_line_from_queue() — canonical-mode line input from the task's
own message queue (TaskMsg::Key). Returns None on Close.
- shell: run_windowed() — same shell as the console but reads from the
message queue. Returns on ^D or window close.
- wm: F1 calls SPAWN_TERMINAL_CB (set by rsdos). No shell logic in the WM.
- rsdos: terminal_task callback + terminal_entry task — creates a 640x400
chrome window, wires up Terminal::from_buffer, sets ACTIVE, runs
shell::run_windowed(), cleans up on exit.
- shell: 'term' debug command that invokes the callback directly and
logs each step to serial.
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- Add the wm window-manager facility per ADR 0004: overlapping
pixel-surface windows, damage-rectangle compositing, WM-drawn title
bar, focus/minimize/close, and F1-F4 keybindings
- Add gop shadow compositing primitives and vt::repaint_region so the
console stays layer 0 beneath windows
- Route mouse (absolute coords, press/release edges) and keyboard
(focus-aware input pump) to the focused window
- Add the rspaint drawing-program crate (pen, 8 colors, clear) and shell
draw/windows/restore commands
- Extend TaskMsg with AppMouse/Focus/Close and document the design in
CONTEXT.md + ADR 0004
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- Add polled EHCI (USB2) and UHCI (USB1.1) host-controller drivers with
HID boot mouse support, wired into cursor polling and the 'usb' shell cmd
- Add USB Legacy ownership handoff (claim_usb_legacy) plus config_write_byte
- Harden boot: verify the PIT/timer ticks before shell entry, EOI stray
interrupts in the LAPIC to stop interrupt storms, bound PS/2 controller
waits, and INTx-disable AHCI (polled driver)
- Add boot stage markers, klog screen echo, and QR lock; scheduler
mark_shell_running; NO_USB stopgap to keep BIOS USB-Legacy input alive
- alloc_pages_above for DMA buffers that must avoid low conventional memory
- Expand DEBUG_NOTES with EHCI/QEMU bring-up findings
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- klog: MAX_LINE 128 -> 512 (lens widened u8 -> u16) — long serial_println
lines (panics, boot messages) are no longer cut at 128 bytes; they
print in full and the terminal wraps them at the screen edge
- tty: LINE_BUF_SIZE 256 -> 1024 — typed command lines longer than 256
chars were silently dropped at the buffer limit; now they echo and
submit in full (the terminal already wraps the echo mid-typing)
- pager (-p): screenfuls now count wrapped rows, not lines — a line
wider than the terminal occupies ceil(len/cols) rows, so the pause
lands at a real screen boundary instead of overflowing it
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Warning cleanup (cargo check + clippy now 0 across the workspace):
- Migrate all 21 static_mut_refs sites to &raw mut accessors (fat, gop,
ps2, vt, ahci, interrupts, memory) so edition 2024 won't deny them
- panic = "abort" profiles: bare cargo check/build now works without
nightly/-Zbuild-std
- Wire TICKS in the timer ISR (it was never incremented, so the vt scroll
batching trigger was dead code)
- Clippy: efi_main becomes unsafe extern "efiapi" with a # Safety doc,
KeyBuf::new uses inline-const array repeat (no interior-mutable const),
editor main loop is a while-let, PIT control byte regrouped
- [workspace.lints.clippy] allows result_unit_err + needless_range_loop
(deliberate kernel style); large_enum_variant allowed on LineInput
- Drop now-stale static_mut_refs allow from the rsdos bin
FAT32 correctness fixes (both pre-existing, exposed by the SFN fix):
- Unique 8.3 short names: to_8_3() never disambiguated collisions, so
files sharing a long-name prefix got identical SFNs and fsck reported
duplicate directory entries. Add dir_short_names() + unique_short_name()
(~N tails, Windows-style) and force LFN when the SFN changes.
- Multi-cluster directories: scan_dir/dir_short_names stopped at the first
0x00 slot, hiding every entry written into a chained cluster (writes
failed with 'cannot write', duplicate SFNs accumulated); add_dir_entry
now packs the cluster (0xE5 deleted-markers) before extending so other
FAT readers (mtools, Windows) see the continuation too.
Other: delete dead fields (Disk.fis, Volume.fat_count), drop timer_irq/
keyboard_irq/rendered, refresh_and_exit is a documented unsafe fn, CONTEXT
.md corrected (stable toolchain, IRQ input, 4-crate layout), .gitignore
excludes .pi-subagents artifacts.
Validated: cargo check/clippy/fmt clean, make test-disk PASS on fresh and
reused images (incl. two directory-chain extensions and ~10 SFN tails),
editor round-trip smoke test PASS.
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Streaming output scrolled one framebuffer push per line (each a
~3-8 MB write-only copy). The vt now scrolls the logical grid
instantly in RAM and defers the display shift: N pending scrolls are
pushed together as one shift_up_n — one push regardless of batch size.
- vt: PENDING_SCROLLS counter; scroll_up shifts CELLS only; flush
renders nothing while pending (the diff would otherwise re-rasterise
the whole screen per line); sync_scroll() does one gop::shift_up_n +
RENDERED mirror + normal diff flush (which re-blits just the newly
exposed rows and the cursor).
- Sync triggers: batch of 16 rows, ~40 ms of stream pause (100 Hz
TICKS), any CSI sequence (full-screen apps like the editor render
immediately), clear_all/set_cursor_visible, interactive input
(tty read_line/read_byte), and the shell before each prompt.
- gop: shift_up → shift_up_n(n) (one shadow memcpy + one push).
Verified in QEMU: mmap/hexdump streaming renders in coherent batches
with the prompt syncing at the end; clear wipes clean; the editor
scrolls and redraws immediately (45-line file, gutter + status bar
intact, cursor correct); save/exit/cat round-trip unchanged. Release
and dev builds pass.
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Kernel now has the classic UNIX console split, so full-screen ANSI apps
can run in ring 0:
- vt.rs: terminal emulator owning the text screen — cell grid (char +
fg/bg), logical cursor (inverse-video), scrolling, and a small ANSI
CSI parser (cursor position H/f, erase J/K, moves A-D, SGR 16-colour
with correct ANSI→VGA mapping, cursor show/hide ?25). Blits only
changed cells; scroll shifts cell grids + pixels and re-rasterises
only the exposed bottom row. gop_println!/clear_screen now render
through the vt; gop.rs is the raw rasteriser (colored glyph blits,
pixel shift).
- tty.rs: line discipline — canonical read_line (echo, line buffer,
^C cancel, ^D EOF) moved out of the shell, and raw read_byte that
translates KeyEvents to the terminal byte protocol (arrows → ESC[A-D,
Backspace → 0x7f, ^X → 0x18, Ctrl+arrows → ESC[1;5A-D, Home/End/PgUp/
PgDn/Delete). interrupt_pressed() stays for streaming commands.
- ps2: generic Ctrl(char) + CtrlArrow events (was: only CtrlC/CtrlD).
- rsdosedit: no_std port of the RNG rsedit editor as the first real
app — undo, syntax highlighting (verified green/gray/yellow on the
framebuffer), search, word nav, smart indent, ^S save / ^X exit /
^X again to discard. termios → tty raw, stdout → vt, std::fs → VFS
(ramfs), SIGWINCH → fixed geometry, force-exit window → key counter.
- shell: 'edit <path>' command; read_line/strbuf moved to rsnix.
- CONTEXT.md: layout + milestones + known-issue perf notes.
Verified in QEMU: full edit → type → arrow-move → insert → save → exit
round trip with byte-exact file content; ANSI colors via screendump.
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