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<title>rs-dos/scripts/sendkeys.py, branch qemu</title>
<subtitle>Simple, kernel-only, 64bit OS, early stage.
</subtitle>
<id>https://git.2137697.xyz/rs-dos/atom?h=qemu</id>
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<updated>2026-11-01T14:53:29Z</updated>
<entry>
<title>scripts: rebuild the dev loop around build.sh/run.sh</title>
<updated>2026-11-01T14:53:29Z</updated>
<author>
<name>salmonik</name>
<email>salmonik@tuta.io</email>
</author>
<published>2026-11-01T14:53:29Z</published>
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<content type='text'>
`make` did not parse at all (missing separator at line 139), so every
make target was dead.  The folder also carried three overlapping
launchers (boot.sh, qemu.sh, boot-image.sh) plus a fourth partial one
in the Makefile, `cargo build --package rsdos` copy-pasted eight times,
the QEMU invocation copy-pasted per script, and the test helpers
(fail/wait_log/wait_qemu_exit/qemu_hmp) duplicated in five tests.

New layout:
- scripts/lib.sh: single config (image, OVMF, mem/smp), the one cargo
  invocation (build_all), the one QEMU shape (qemu_args), and the test
  harness (test_boot, wait_log, wait_qemu_exit, qemu_hmp, sendkeys)
- scripts/build.sh: kernel + every bins/* in one pass
- scripts/mksystem.sh: freshness-aware image build that now stages
  every bins/*.efi into /bin/cli|gui (they were never copied before)
- scripts/run.sh: build + stage + boot in one command; --headless,
  --debug (GDB stub), --monitor (HMP socket), --fresh, --mem/--smp/
  --bios/--image; on Wayland it auto-selects XWayland plus
  grab-on-hover so the mouse can be captured (Ctrl+Alt+G toggles)
- scripts/tests/: the five automated tests on the shared harness
- deleted: boot.sh, qemu.sh, boot-image.sh, lib-boot-args.sh,
  build-image-release.sh, build-bootloader.sh (rsboot chain dropped)

The Makefile is now a thin wrapper: make run, make test, make system,
make inspect, make help.  Two-command flow: ./scripts/build.sh then
./scripts/run.sh (run.sh alone also works).

Stale test assumptions fixed so the suite is green again: test-gfx
waited for "gfx: check" while the shell prints "gfx check: PASS";
test-mouse/test-msg hardcoded msgrecv = task 3 (wm-input took slot 3 —
ids are parsed from the log now); the queue-full probe targeted task 0,
whose exec pump drains its own queue as completion codes (moved to the
cursor task, which never recvs).

Verified in QEMU: make test -&gt; test-disk, test-gfx, test-mouse,
test-msg, test-fault all PASS.
</content>
</entry>
<entry>
<title>image: single dd-able system.img replaces vvfat+data-disk pair</title>
<updated>2026-08-21T17:13:52Z</updated>
<author>
<name>salmonik</name>
<email>salmonik@tuta.io</email>
</author>
<published>2026-08-21T17:13:52Z</published>
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<content type='text'>
mksystem.sh stages one FAT32 image: \bzImage + \initramfs.cpio.gz
(rsbl paths), \EFI\BOOT\BOOTX64.EFI (kernel direct by default,
--chain for rsboot), \etc\motd.txt, empty \bin\cli + \bin\gui,
seed files at the root.  --gpt wraps it in a partition table for real
USB dd targets.

Makefile: run/run-gui/debug attach only system.img on ide.0 (vvfat
lines deleted); stamp-based 'system' target rebuilds only when the
kernel is newer, so runtime writes survive reboots; system-fresh
wipes; inspect lists via mtools.  build-image.sh/mkdisk.sh removed.

test-disk.sh boots system.img with a throwaway OVMF varstore — a
stale NvVars makes the firmware skip the \EFI\BOOT fallback.
sendkeys.py pacing 50ms-&gt;250ms/1.5s: keystroke loss under host load
corrupted typed lines (guest-side PS/2 ring overflow).

Gate: test-disk PASS (fsck clean, file survives poweroff).
</content>
</entry>
<entry>
<title>shell: keyword redirection + post-filter flags (ADR 0002)</title>
<updated>2026-08-01T11:14:07Z</updated>
<author>
<name>salmonik</name>
<email>salmonik@tuta.io</email>
</author>
<published>2026-08-01T11:14:07Z</published>
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<content type='text'>
Implement the shell experience redesign: one canonical grammar for every
command — 'cmd args [USE src] [TIL marker] [filters...] [output kw dst]'.

- Keyword redirection (uppercase-only, aliases valid, fully reserved):
  WRITING/WRITE overwrite, TO append, USE/USING input source,
  TIL/UNTIL heredoc/terminator (exact full-line marker).  &gt; &gt;&gt; &lt; &lt;&lt; are
  removed; '&gt;' is plain text.
- Post-filter stages applied left to right over a line stream, each
  repeatable: -h N (head kills the upstream), -t N (tail holds a
  rolling window, flushes at EOF/^C), -g PAT (smart-case literal
  substring), -p (screenful pager, terminal only).  A file sink
  replaces the screen; -p is a no-op with one.
- C-style quoting: "..." groups and literalizes, \x escapes one char;
  quoted/escaped text is never an operator, never split.
- Input consumers: cat/hexdump, path-less only (stdin until ^D,
  USE f, TIL m heredoc, USE f TIL m truncation).  Other commands
  reject input keywords; paths + input keyword is a syntax error.
- ^D is EOF everywhere and never powers off; poweroff/exit are the
  only shutdown verbs.
- help rewritten; test-disk.sh and sendkeys.py use the keyword syntax.

Verified in QEMU: 26 grammar checks on fresh and reused disks, disk
round trip, pager pacing, -h stopping /dev/mem at N lines, ^C flushing
a -t window.  Two bugs found during verification and fixed:
1. WRITING over an existing file wrote after stale NUL padding —
   fs::size() is stale after set_len(0); the sink writes at offset 0
   after truncation.
2. USE f TIL m leaked the post-marker remainder — the final
   partial-line emit ran after the marker break; guarded with a
   stopped flag.
</content>
</entry>
<entry>
<title>scripts: automate the data-disk workflow (mkdisk / sendkeys / test-disk)</title>
<updated>2026-07-31T23:56:12Z</updated>
<author>
<name>salmonik</name>
<email>salmonik@tuta.io</email>
</author>
<published>2026-07-31T23:56:12Z</published>
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<content type='text'>
- scripts/mkdisk.sh: create the FAT32 disk with mkfs.fat -C (the flag
  that actually creates the file — plain mkfs.fat fails on a missing
  path), accept M/G/K sizes, seed seed/ files via mtools; --fresh
  re-formats, --no-seed skips seeding
- scripts/sendkeys.py: type lines into the guest via the QEMU monitor
  (US layout).  Punctuation must use QEMU's named keys (minus, slash,
  dot, ...) — bare '-', '.', '/' are not valid sendkey names, and '-'
  is the modifier separator, so they were silently dropped before
- scripts/test-disk.sh: full automated round trip — build, deploy,
  ensure image, boot headless QEMU, drive the shell (ls /disk, mkdir,
  echo &gt;, cat, poweroff), then verify with fsck.fat (must be clean)
  and mtype (file content must have survived poweroff)
- Makefile: make disk / disk-fresh / inspect / test-disk; run, run-gui
  and debug now auto-create a missing DISK_IMG; fix the stale comment
  (mkfs.fat without -C)
- scripts/boot.sh: auto-create a missing DISK_IMG via mkdisk.sh
- seed/: motd.txt + lines.txt seeded onto fresh images
- Verified end to end: ./scripts/test-disk.sh --fresh passes
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