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libpayload: BSD solutions contributed by Uwe Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de> Acked-by: Jordan Crouse <jordan.crouse@amd.com> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3172 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2008-03-20 01:02:07 +01:00
-------------------------------------------------------------------------------
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,
libpayload: Introduce new Kconfig to explicitly allow GPL code There have been leaks of GPL code into libpayload for a while now, for new features or improvements that require third party code with no adequate alternative among BSD-licensed software. It seems silly and counter-productive to keep holding back features and performance improvements from libpayload for a use-case (proprietary payloads) that doesn't even seem to be implemented anywhere to date. Open-source payloads should not need to suffer to appease commercial ones. Instead, this patch introduces a new Kconfig option to explicitly allow inclusion of GPL code. It will use Kconfig dependencies and/or Makefile rules to ensure that no GPL code can end up in the final payload if that option is unset, allowing proprietary payloads to keep working with the existing BSD-licensed feature set. New features and patches (that are sufficiently separate and self-contained to allow guarding through this config option) can choose whether to import GPL code, and need to depend on this option if they do. Also clean up all (known) existing uses of GPL code to depend on the new option, add some recent third-party imports to the LICENSES file, and relicense the selfboot.c files to BSD with permission of the author. BUG=chrome-os-partner:24957 TEST=Compiled Falco and Nyan_Big both with and without the new option, disassembled output binaries to ensure that memcpy() looks as expected. Original-Change-Id: I6e3a75b1a8e46291c75a876844c7a01f7d3f2a0e Original-Signed-off-by: Julius Werner <jwerner@chromium.org> Original-Signed-off-by: Hung-Te Lin <hungte@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/203513 Original-Reviewed-by: Stefan Reinauer <reinauer@chromium.org> (cherry picked from commit d8e5a9fdf583b5ac861f34baea6a16c4d8536512) Signed-off-by: Marc Jones <marc.jones@se-eng.com> Change-Id: I446fef028264c793b946dd9f765e446bf708b4db Reviewed-on: http://review.coreboot.org/8118 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
2014-06-11 23:16:35 +02:00
or see the section at the bottom of this file for an overview of third-party
code in libpayload.
libpayload: BSD solutions contributed by Uwe Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de> Acked-by: Jordan Crouse <jordan.crouse@amd.com> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3172 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2008-03-20 01:02:07 +01:00
libpayload: Introduce new Kconfig to explicitly allow GPL code There have been leaks of GPL code into libpayload for a while now, for new features or improvements that require third party code with no adequate alternative among BSD-licensed software. It seems silly and counter-productive to keep holding back features and performance improvements from libpayload for a use-case (proprietary payloads) that doesn't even seem to be implemented anywhere to date. Open-source payloads should not need to suffer to appease commercial ones. Instead, this patch introduces a new Kconfig option to explicitly allow inclusion of GPL code. It will use Kconfig dependencies and/or Makefile rules to ensure that no GPL code can end up in the final payload if that option is unset, allowing proprietary payloads to keep working with the existing BSD-licensed feature set. New features and patches (that are sufficiently separate and self-contained to allow guarding through this config option) can choose whether to import GPL code, and need to depend on this option if they do. Also clean up all (known) existing uses of GPL code to depend on the new option, add some recent third-party imports to the LICENSES file, and relicense the selfboot.c files to BSD with permission of the author. BUG=chrome-os-partner:24957 TEST=Compiled Falco and Nyan_Big both with and without the new option, disassembled output binaries to ensure that memcpy() looks as expected. Original-Change-Id: I6e3a75b1a8e46291c75a876844c7a01f7d3f2a0e Original-Signed-off-by: Julius Werner <jwerner@chromium.org> Original-Signed-off-by: Hung-Te Lin <hungte@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/203513 Original-Reviewed-by: Stefan Reinauer <reinauer@chromium.org> (cherry picked from commit d8e5a9fdf583b5ac861f34baea6a16c4d8536512) Signed-off-by: Marc Jones <marc.jones@se-eng.com> Change-Id: I446fef028264c793b946dd9f765e446bf708b4db Reviewed-on: http://review.coreboot.org/8118 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
2014-06-11 23:16:35 +02:00
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.)
libpayload: BSD solutions contributed by Uwe Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de> Acked-by: Jordan Crouse <jordan.crouse@amd.com> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3172 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2008-03-20 01:02:07 +01:00
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
Document all of the external code we use in libpayload (trivial). Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de> Acked-by: Uwe Hermann <uwe@hermann-uwe.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3500 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2008-08-11 22:34:50 +02:00
Current version we use: 587c90616a5b44e6ccfac38e64d4fecee51d588c (03/2008)
libpayload: BSD solutions contributed by Uwe Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de> Acked-by: Jordan Crouse <jordan.crouse@amd.com> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3172 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2008-03-20 01:02:07 +01:00
* 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
Document all of the external code we use in libpayload (trivial). Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de> Acked-by: Uwe Hermann <uwe@hermann-uwe.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3500 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2008-08-11 22:34:50 +02:00
* 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
libpayload: BSD solutions contributed by Uwe Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de> Acked-by: Jordan Crouse <jordan.crouse@amd.com> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3172 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2008-03-20 01:02:07 +01:00
* 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
Add rand/rand_r/srand functions for generating pseudo-random bytes. Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de> Acked-by: Jordan Crouse <jordan.crouse@amd.com> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3222 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2008-04-08 01:33:50 +02:00
* 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
libpayload: BSD solutions contributed by Uwe Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de> Acked-by: Jordan Crouse <jordan.crouse@amd.com> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3172 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2008-03-20 01:02:07 +01:00
* 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
Add missing snprintf() to libc/printf.c (trivial). This is also taken from the HelenOS project. Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de> Acked-by: Uwe Hermann <uwe@hermann-uwe.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3210 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2008-04-02 14:35:45 +02:00
kernel/generic/src/printf/snprintf.c
libpayload: BSD solutions contributed by Uwe Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de> Acked-by: Jordan Crouse <jordan.crouse@amd.com> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3172 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2008-03-20 01:02:07 +01:00
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
Document all of the external code we use in libpayload (trivial). Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de> Acked-by: Uwe Hermann <uwe@hermann-uwe.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3500 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2008-08-11 22:34:50 +02:00
* 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
Add a SHA-1 implementation to libpayload. Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de> Acked-by: Peter Stuge <peter@stuge.se> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3212 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2008-04-04 01:01:23 +02:00
* 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
Since some people disapprove of white space cleanups mixed in regular commits while others dislike them being extra commits, let's clean them up once and for all for the existing code. If it's ugly, let it only be ugly once :-) Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Stefan Reinauer <stepan@coresystems.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5507 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2010-04-27 08:56:47 +02:00
libpayload: Introduce new Kconfig to explicitly allow GPL code There have been leaks of GPL code into libpayload for a while now, for new features or improvements that require third party code with no adequate alternative among BSD-licensed software. It seems silly and counter-productive to keep holding back features and performance improvements from libpayload for a use-case (proprietary payloads) that doesn't even seem to be implemented anywhere to date. Open-source payloads should not need to suffer to appease commercial ones. Instead, this patch introduces a new Kconfig option to explicitly allow inclusion of GPL code. It will use Kconfig dependencies and/or Makefile rules to ensure that no GPL code can end up in the final payload if that option is unset, allowing proprietary payloads to keep working with the existing BSD-licensed feature set. New features and patches (that are sufficiently separate and self-contained to allow guarding through this config option) can choose whether to import GPL code, and need to depend on this option if they do. Also clean up all (known) existing uses of GPL code to depend on the new option, add some recent third-party imports to the LICENSES file, and relicense the selfboot.c files to BSD with permission of the author. BUG=chrome-os-partner:24957 TEST=Compiled Falco and Nyan_Big both with and without the new option, disassembled output binaries to ensure that memcpy() looks as expected. Original-Change-Id: I6e3a75b1a8e46291c75a876844c7a01f7d3f2a0e Original-Signed-off-by: Julius Werner <jwerner@chromium.org> Original-Signed-off-by: Hung-Te Lin <hungte@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/203513 Original-Reviewed-by: Stefan Reinauer <reinauer@chromium.org> (cherry picked from commit d8e5a9fdf583b5ac861f34baea6a16c4d8536512) Signed-off-by: Marc Jones <marc.jones@se-eng.com> Change-Id: I446fef028264c793b946dd9f765e446bf708b4db Reviewed-on: http://review.coreboot.org/8118 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
2014-06-11 23:16:35 +02:00
* 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
libpayload: Add LZ4 decompression algorithm This patch adds support for the LZ4 decompression algorithm to libpayload. It's what all the cool kids are using for decompression these days and has many interesting advantages over LZMA (and everything else I know of): blazing fast decompression (20(!) times faster than LZMA, twice as fast as LZO on my Cortex-A72), no memory requirements on decompression, and possibly in-place decompression support. It pays for that with a lower compression ratio (about 50% larger compressed size than LZMA, 10% larger than LZO for an ARM64 Linux kernel binary), but the boot time math still works in its favor for our IO speeds. This patch only adds the raw decompression functions for use by external payloads, we can later try integrating them in CBFS. It copies the decompression code itself unmodified from the upstream LZ4 library at github.com/Cyan4973/lz4 which will hopefully make it easy to update. The frame format parsing is reimplemented since the upstream version looks unnecessarily complex and unreadable for our needs. BRANCH=smaug BUG=chrome-os-partner:32184 TEST=With other patches, booted ARM64 kernel that got compressed from 15M to 5.1M and decompresses in 44ms. Change-Id: I65bdc4b2b19bd51c7b7e17a4e4b79da301a2a014 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: f8a1fc996d5b0234d07f567fa8163d0f802d5144 Original-Change-Id: I15c0620da05561ade2552b15ffdf6bb3afd7eb26 Original-Signed-off-by: Julius Werner <jwerner@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/282743 Original-Reviewed-by: Stefan Reinauer <reinauer@google.com> Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/10845 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2015-06-30 19:30:30 +02:00
* liblz4/lz4.c: 2-clause BSD
Source: LZ4 library, https://github.com/Cyan4973/lz4
Current version we use: r130 (baf78e7e4dcbdf824a76f990ffeb573d113bbbdb)