feat(build): QEMU boots the stick; the data stick over USB

qemu-stick boots the amd64 stick image (build/boards/pc/lithos-pc.img,
copied per run) as a USB drive on q35, exactly as hardware would.
DATASTICK=1 adds the data stick to any qemu run as a second USB drive.
qemu_session.py gains --target and the stick_boot and datastick modes.

Checks: stick_boot (the stick's own identity partition attaches, headless
on a blank identity); datastick on amd64/aarch64/riscv64 (both drives
found, the data stick's 500 MiB identity attaches); the seven GPT modes,
the identity-gate and increment 1 sessions, emergency; the suite; three
acceptance boots to [zuse@Hera] ok> with POST 538/538 and
dict_hash=0xfec8c47cfc6f437f; test-32 0 failures.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
rajames
2026-10-27 16:31:27 -04:00
co-authored by Claude Opus 5.5
parent e177c5c6b3
commit c416c805cb
66 changed files with 5147 additions and 5 deletions

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