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Copyright and Licenses
-------------------------------------------------------------------------------

The copyright on libpayload is owned by various individual developers
and/or companies. Please check the individual source files for details.

The libpayload code is mostly licensed under the terms of the three-clause
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. The name of the author may not be used to endorse or promote products
      derived from this software without specific prior written permission.

   THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.

For some parts, which were taken from external projects, other (compatible)
licenses may apply. Please check the individual source files for details,
or see the section at the bottom of this file for an overview of third-party
code in libpayload.

Some parts of libpayload are licensed under the GNU General Public License
(version 2). These parts are clearly separated by the CONFIG_GPL Kconfig
option (default off), and will not be linked into the output payload unless
that option has been chosen. The full text of that license is provided in the
LICENSE_GPL file.

(Please note that the coreboot project makes a best effort to keep licensing
information up to date and accurate, but provides no legal guarantees to that
regard. If you redistribute libpayload code in source or binary form, it is
your liability to ensure that you conform to all legal requirements that this
might entail.)

Third-party Code and License Overview
-------------------------------------

This is an overview of (modified or unmodified) third-party code in
libpayload, and where it was originally taken from.

Please check the individual source code files for the list of copyright
holders, and the exact license terms that apply.

* util/kconfig/*: GPLv2
  Source: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
  Current version we use: 587c90616a5b44e6ccfac38e64d4fecee51d588c (03/2008)

* include/curses.priv.h: BSD-like license
  Source: ncurses, http://www.gnu.org/software/ncurses/
  Original files: ncurses/curses.priv.h
  Current version we use: 5.6

* include/curses.h: BSD-like license
  Source: ncurses, http://www.gnu.org/software/ncurses/
  Original files: include/curses.h.in
  Current version we use: 5.6

* include/lar.h: GPLv2 or revised BSD license
  Source: coreboot v3, svn://coreboot.org/repository/coreboot-v3
  Original file: util/lar/lar.h
  Current version we use: r647

* libc/ipchecksum.c: 2-clause BSD license
  Source: FreeBSD's base system libraries, http://www.freebsd.org
          http://www.freebsd.org/cgi/cvsweb.cgi/src/lib/libalias/Attic/alias_util.c?rev=1.15;content-type=text%2Fplain
  Original files: lib/libalias/alias_util.c, function LibAliasInternetChecksum()
  Current version we use: CVS revision 1.15 2004/07/06 12:13:28

* libc/rand.c: 3-clause BSD license
  Source: OpenBSD
          http://www.openbsd.org/cgi-bin/cvsweb/src/lib/libc/stdlib/rand.c
  Original files: src/lib/libc/stdlib/rand.c
  Current version we use: CVS revision 1.9 2005/8/8 08:05:37

* libc/memory.c: 3-clause BSD license
  Source: HelenOS, http://www.helenos.eu
          svn checkout svn://svn.helenos.eu/HelenOS/trunk HelenOS
          http://svn.helenos.eu/chora/browse.php?f=%2Ftrunk%2F
  Original files: uspace/libc/generic/string.c
  Current version we use: r2754

* libc/printf.c: 3-clause BSD license
  Source: HelenOS, http://www.helenos.eu
          svn checkout svn://svn.helenos.eu/HelenOS/trunk HelenOS
          http://svn.helenos.eu/chora/browse.php?f=%2Ftrunk%2F
  Original files: kernel/generic/src/printf/printf_core.c
                  kernel/generic/src/printf/snprintf.c
                  kernel/generic/src/printf/sprintf.c
                  kernel/generic/src/printf/vsnprintf.c
                  kernel/generic/src/printf/vsprintf.c
                  kernel/generic/src/printf/printf.c
                  kernel/generic/src/printf/vprintf.c
  Current version we use: r2745

* drivers/video/font8x16.c: 3-clause BSD license
  Source: HelenOS, http://www.helenos.eu
          svn checkout svn://svn.helenos.eu/HelenOS/trunk HelenOS
          http://svn.helenos.eu/chora/browse.php?f=%2Ftrunk%2F
  Original file: kernel/genarch/src/fb/font-8x16.c
  Current version we use: r3293

* crypto/sha1.c: Public domain
  Source: OpenBSD
          http://www.openbsd.org/cgi-bin/cvsweb/src/lib/libc/hash/sha1.c
  Original files: src/lib/libc/hash/sha1.c
  Current version we use: CVS revision 1.20 2005/08/08

* arch/arm/mem*.S: GPLv2
  Source: Linux, http://www.kernel.org
  Original files: arch/arm/lib/mem*.S
  Current version we use: 3.9 (418df63adac56841ef6b0f1fcf435bc64d4ed177)

* arch/x86/string.c: LGPLv2.1, modified to GPLv2 under the terms of section 3
  Source: GNU C Library (glibc), http://www.gnu.org/software/libc/libc.html
  Original files: sysdeps/i386/memset.c
  Current version we use: 2.14

* liblz4/lz4.c: 2-clause BSD
  Source: LZ4 library, https://github.com/Cyan4973/lz4
  Current version we use: r130 (baf78e7e4dcbdf824a76f990ffeb573d113bbbdb)
