e04ca28812
Removes the "-unix" element and with it any trademark exposure to The
Open Group.
The split follows the ecosystem layout: SchOS is the system, and the
kernel has its own name. Kernel-identity strings are the only places
that take SchIFT -- uname(2) sysname, /proc/version, and the two licence
sentences that say "kernel" outright. That is what every Unix does here:
`uname -s` on Linux reports the kernel, not the distribution. Everything
a user reads as the product -- panic screen, boot menu, error prefixes,
docs, LICENSE, NOTICE -- is SchOS.
schunix.img is schos.img, the logo assets and the musl TLS patch are
renamed, and __SCHUNIX__ is __SCHOS__ (the define and the patch that
consumes it moved together).
Two things the rename broke, both found by the bootcheck suite:
- shmtest wrote "SCHUNIX-MMAP-OK" with a hardcoded length of 15 and
compared it back by hand-counted offsets (m[3]=='U', m[14]=='K').
The shorter marker left the write running two bytes past the literal
and the compare reading past the data, failing a file-backed mmap
that was working correctly. Now written and compared through one
constant with sizeof.
- bootcheck asserted a 31-byte file after appending to
"hello-from-schunix"; the shorter string makes it 29.
Both are the same mistake: a string literal whose length is written out
somewhere else. Full suite green -- base, Tty, Ps, Sock, Fb, Usb, Evdev.
187 lines
10 KiB
Text
187 lines
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Text
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Copyright 2026 Nexoniarz
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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Unless required by applicable law or agreed to in writing, software
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See the License for the specific language governing permissions and
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NOTE: The kernel (kernel/) is derived from xv6 (MIT License, Copyright
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2006-2019 Frans Kaashoek, Robert Morris, Russ Cox, M.I.T. CSAIL).
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The MIT license notice is preserved in LICENSE.MIT and must not be
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removed. Third-party software redistributed in a built image -- musl,
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toybox and mksh, all under ports/ -- keeps its own license; see NOTICE.
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Which outside code may be copied into SchOS and which may not -- the
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BSD/GPL rules, the NetBSD advertising clause, and what is deliberately
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never shipped -- is written up in docs/licensing.md. Read it before
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copying anyone else's code in.
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