system76-coreboot/util/lint/lint-000-license-headers
Maximilian Brune 33079b8174 lib/device_tree: Add some FDT helper functions
This adds some helper functions for FDT, since more and more mainboards
seem to need FDT nowadays. For example our QEMU boards need it in order
to know how much RAM is available. Also all RISC-V boards in our tree
need FDT.

This also adds some tests in order to test said functions.

Signed-off-by: Maximilian Brune <maximilian.brune@9elements.com>
Change-Id: I2fb1d93c5b3e1cb2f7d9584db52bbce3767b63d8
Reviewed-on: https://review.coreboot.org/c/coreboot/+/81081
Reviewed-by: Julius Werner <jwerner@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2024-05-21 13:44:47 +00:00

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#!/usr/bin/env sh
#
# SPDX-License-Identifier: GPL-2.0-only
# DESCR: Check that files in have valid license headers
# $1 is an optional command line parameter containing directories to check
LINTDIR="$(
cd -- "$(dirname "$0")" > /dev/null 2>&1 || return
pwd -P
)"
# shellcheck source=helper_functions.sh
. "${LINTDIR}/helper_functions.sh"
# regex list of files and directories to exclude from the search
HEADER_EXCLUDED="\
^src/commonlib/bsd/lz4.c.inc\$|\
^src/cpu/x86/16bit/entry16.inc\$|\
^src/device/oprom/x86emu/|\
^src/device/oprom/include/x86emu/|\
^src/device/oprom/yabel/|\
^src/drivers/net/ne2k.c\$|\
^src/drivers/xgi/common/initdef.h\$|\
^src/drivers/xgi/common/vstruct.h\$|\
^src/lib/gnat/|\
^src/lib/lzmadecode.[ch]\$|\
^src/lib/stack.c\$|\
^src/sbom/TAGS|\
^src/vendorcode/|\
^tests/data/|\
^util/amdtools/example_input/|\
^util/cbfstool/lzma/|\
^util/cbfstool/lz4/|\
^util/kconfig/|\
Kconfig|\
\<COPYING\>|\
\<LICENSE\>|\
\<README\>|\
Changelog|\
AUTHORS|\
TODO|\
EXAMPLE|\
NEWS|\
ChangeLog|\
Dockerfile|\
\.gitignore$|\
\.in$|\
\.[18]$|\
\.md$|\
\.wiki$|\
\.xxdump$|\
\.spec$|\
\.txt$|\
\.jpg$|\
\.cksum$|\
\.bin$|\
\.vbt$|\
\.hex$|\
\.patch$|\
_shipped$|\
/microcode-[^/]*.h$|\
/sdram-.*\.inc$|\
\.fmd|\
\.cb|\
\.cfg$|\
\.spd|\
config|\
cmos\.layout|\
cmos\.default|\
\.apcb$\
"
#space separated list of directories to test
if [ "$1" = "" ]; then
HEADER_DIRS="src util"
else
HEADER_DIRS="$1"
fi
#get initial list from git, removing HEADER_EXCLUDED files.
#make a copy to check for the old style header later.
headerlist=$(${FIND_FILES} $HEADER_DIRS | grep -E -v "($HEADER_EXCLUDED)")
#update headerlist by removing files that match the license string
check_for_license() {
if [ -n "$headerlist" ] && [ -z "$2" ]; then
headerlist="$(grep -iL "$1" $headerlist 2>/dev/null)"
elif [ -n "$headerlist" ]; then
p1list="$(grep -il "$1" $headerlist 2>/dev/null)"
p2list="$(grep -il "$2" $headerlist 2>/dev/null)"
# Make list of files that were in both previous lists
pbothlist="$(echo $p1list $p2list | tr ' ' "\n" | \
sort | uniq -d)"
# Remove all files that were in both of the previous lists
# Note that this is unstable if we ever get any filenames
# with spaces.
headerlist="$(echo $headerlist $pbothlist | tr ' ' "\n" | \
sort | uniq -u)"
fi
}
#search the files for license headers
check_for_license 'SPDX-License-Identifier: Apache-2.0'
check_for_license 'SPDX-License-Identifier: BSD-2-Clause'
check_for_license 'SPDX-License-Identifier: BSD-3-Clause'
check_for_license 'SPDX-License-Identifier: GPL-2.0-only'
check_for_license 'SPDX-License-Identifier: GPL-2.0-or-later'
check_for_license 'SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note'
check_for_license 'SPDX-License-Identifier: GPL-3.0-only'
check_for_license 'SPDX-License-Identifier: GPL-3.0-only WITH GCC-exception-3.1'
check_for_license 'SPDX-License-Identifier: GPL-3.0-or-later'
check_for_license 'SPDX-License-Identifier: HPND'
check_for_license 'SPDX-License-Identifier: HPND-sell-variant'
check_for_license 'SPDX-License-Identifier: ISC'
check_for_license 'SPDX-License-Identifier: MIT'
check_for_license 'SPDX-License-Identifier: X11'
# This is 4 clause ("with advertising") but the University of Berkeley
# declared that 4th clause void, see
# ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
# With this, BSD-4-Clause-UC becomes GPLv2 compatible, and so SPDX doesn't
# differentiate between this license with or without advertising.
check_for_license 'SPDX-License-Identifier: BSD-4-Clause-UC'
# This is the Creative Commons Public Domain Dedication and Certification
# for files that are already in the public domain. This includes files
# that cannot be licensed such as blank files or files with no "creative"
# content.
check_for_license 'SPDX-License-Identifier: CC-PDDC'
for file in $headerlist; do
# Verify the file actually exists
if [ -f "$file" ]; then
echo "$file has no recognized SPDX identifier."
fi
done