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licence: SchOS is GPL-2.0-or-later, no longer Apache-2.0

Browse source 
Nexoniarz is the sole author and SchOS was never published under
Apache-2.0, so this is a straight relicence. LICENSE is the FSF GPLv2 text,
every first-party SPDX header moves to GPL-2.0-or-later, and NOTICE,
README.md, docs/licensing.md and the site say so. projects/schfs-linux
follows the rest of the tree.

The GPL gives copyleft: a fork has to ship its source. It also lifts the
old "Linux drivers, never" rule, since GPL-2.0-only code combines with
GPL-2.0-or-later. "Or later" leaves room for GPLv3, but one binary still
has to pick one version, so docs/licensing.md now keeps Apache-2.0 and
GPLv3 code out of the kernel to keep Linux code possible there. BSD
4-clause code goes from "avoid" to "no", because the advertising clause
is GPL-incompatible.

LDLS still ships no .ko. That boundary is now project policy rather than
a legal requirement, and ldls.md, devices.md and licensing.md section 6
say so. refmod declares license=GPL, and ldls-check passes (27 checks).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Nexoniarz 2026-10-22 08:48:45 +02:00
commit 26bca020b6
135 changed files with 959 additions and 689 deletions
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2
.claude/memory/MEMORY.md
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@ -44,7 +44,7 @@
- [Device model](schunix-device-model.md) — one bus-agnostic list at /proc/devices; bus is provenance, class is capability, and the settled Linux-driver decision.
- [usb.ids](schunix-usb-ids.md) — shipped as /usr/share/usb.ids, BSD option of a dual licence; cached, not fetched per build.
- [USB and xHCI](schunix-usb-xhci.md) — enumeration and control transfers work; written from the spec, because porting BSD's stack means porting newbus first.
- [Licensing](schunix-licensing.md) — Apache-2.0, copyright Nexoniarz; BSD drivers are usable and Linux ones are not.
- [Licensing](schunix-licensing.md) — GPL-2.0-or-later since 2026-10-22 (was Apache); Linux code OK, no Apache/GPLv3 in the kernel.
- [Layout migration](schunix-layout-migration.md) — the bt/ → ports/ + lib/ + cmd/ restructure and the two Makefile traps it exposed.
- [Verify by driving the shell](schunix-verify-by-driving-shell.md) — booting to a prompt proves nothing; run real commands over serial with paced input.
- [/dev and /proc](schunix-devfs-procfs.md) — how both are built; ps and top work now, one cosmetic gap left.