NOTICE

3rd party code included in the Tilck project
----------------------------------------------

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File[1]:
   common/3rd_party/base64.c
Original source[1]:
   http://web.mit.edu/freebsd/head/contrib/wpa/src/utils/base64.c

File[2]:
   include/3rd_party/base64.h
Original source[2]:
   http://web.mit.edu/freebsd/head/contrib/wpa/src/utils/base64.h

Comments:
   base64.c has minor changes to make it buildable in this project.

Original license:

This software may be distributed, used, and modified under the terms of
BSD license:

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:

1. Redistributions of source code must retain the above copyright
   notice, this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright
   notice, this list of conditions and the following disclaimer in the
   documentation and/or other materials provided with the distribution.

3. Neither the name(s) of the above-listed copyright holder(s) nor the
   names of its contributors may be used to endorse or promote products
   derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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File[1]:
   boot/legacy/boot_enable_a20.S
Original source[1]:
   https://wiki.osdev.org/A20_Line

Comments:
   The boot_enable_a20.S file contain code taken from wiki.osdev.org, with
   additional changes.

Original license:
   As stated here: https://forum.osdev.org/viewtopic.php?f=2&t=23838, for all
   the osdev.org wiki pages, the CC0-1.0 license applies.

   https://creativecommons.org/publicdomain/zero/1.0/
   https://creativecommons.org/publicdomain/zero/1.0/legalcode

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File[1]:
   common/3rd_party/datetime.c
Original source[1]:
   http://git.musl-libc.org/cgit/musl/tree/src/time/__secs_to_tm.c?h=v1.1.19
   http://git.musl-libc.org/cgit/musl/tree/src/time/__tm_to_secs.c?h=v1.1.19
   http://git.musl-libc.org/cgit/musl/tree/src/time/__year_to_secs.c?h=v1.1.19
   http://git.musl-libc.org/cgit/musl/tree/src/time/__month_to_secs.c?h=v1.1.19

Comments:
   The UNIX timestamp to struct tm and vice-versa from libmusl has been copied
   and adapter to work with Tilck's struct datetime.
   Also, the coding style has been changed as well.

Original license (MIT), from the COPYRIGHT file:

musl as a whole is licensed under the following standard MIT license:
----------------------------------------------------------------------

   Copyright © 2005-2014 Rich Felker, et al.
   Permission is hereby granted, free of charge, to any person obtaining
   a copy of this software and associated documentation files (the
   "Software"), to deal in the Software without restriction, including
   without limitation the rights to use, copy, modify, merge, publish,
   distribute, sublicense, and/or sell copies of the Software, and to
   permit persons to whom the Software is furnished to do so, subject to
   the following conditions:
   The above copyright notice and this permission notice shall be
   included in all copies or substantial portions of the Software.
   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
   IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
   CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
   TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
   SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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File[1]:
   include/3rd_party/bithacks.h

Original source:
   http://graphics.stanford.edu/~seander/bithacks.html

Original license:
   PUBLIC DOMAIN (see notice at the beginning of bithacks.h)

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Files:
   - everything in modules/acpi/acpica/
   - everything in include/3rd_party/acpi/
   - everything in include/3rd_party/acpi/platform/ except "actilck.h"

Original source:
   https://acpica.org/sites/acpica/files/acpica-unix-20200717.tar.gz

Original license:
   https://acpica.org/sites/acpica/files/licensing.txt