cf91c1b84f
Clarify the impact of the various non-Apache-2.0 licensed files in the tree. Clean up the formatting to improve readability and better match the other parts of the project documentation. Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>
118 lines
4.3 KiB
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118 lines
4.3 KiB
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.. _zephyr_licensing:
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Licensing of Zephyr Project components
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######################################
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The Zephyr kernel tree imports or reuses packages, scripts and other files that
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are not covered by the `Apache 2.0 License`_. In some places
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there is no LICENSE file or way to put a LICENSE file there, so we describe the
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licensing in this document.
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Continuous Integration Scripts
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------------------------------
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* *Origin:* Linux Kernel
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* *Licensing:* `GPLv2 License`_
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* *Impact:* These files are used in Continuous Integration (CI) and never linked into the firmware.
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* *Files:*
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* :zephyr_file:`scripts/checkpatch.pl`
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* :zephyr_file:`scripts/checkstack.pl`
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* :zephyr_file:`scripts/spelling.txt`
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Coccinelle Scripts
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------------------
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* *Origin:* Coccinelle
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* *Licensing:* `GPLv2 License`_
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* *Impact:* These files are used by `Coccinelle`_, a tool for transforming C-code, and never linked
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into the firmware.
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* *Files:*
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* :zephyr_file:`scripts/coccicheck`
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* :zephyr_file:`scripts/coccinelle/array_size.cocci`
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* :zephyr_file:`scripts/coccinelle/deref_null.cocci`
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* :zephyr_file:`scripts/coccinelle/deref_null.cocci`
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* :zephyr_file:`scripts/coccinelle/deref_null.cocci`
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* :zephyr_file:`scripts/coccinelle/mini_lock.cocci`
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* :zephyr_file:`scripts/coccinelle/mini_lock.cocci`
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* :zephyr_file:`scripts/coccinelle/mini_lock.cocci`
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* :zephyr_file:`scripts/coccinelle/noderef.cocci`
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* :zephyr_file:`scripts/coccinelle/noderef.cocci`
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* :zephyr_file:`scripts/coccinelle/returnvar.cocci`
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* :zephyr_file:`scripts/coccinelle/semicolon.cocci`
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GCOV Coverage Header File
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-------------------------
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* *Origin:* GCC, the GNU Compiler Collection
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* *Licensing:* `GPLv2 License`_ with Runtime Library Exception
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* *Impact:* This file is only linked into the firmware if :kconfig:option:`CONFIG_COVERAGE_GCOV` is
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enabled.
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* *Files:*
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* :zephyr_file:`subsys/testsuite/coverage/coverage.h`
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ENE KB1200_EVB Board OpenOCD Configuration
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------------------------------------------
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* *Licensing:* `GPLv2 License`_
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* *Impact:* This file is used by `OpenOCD`_ when programming and debugging the :ref:`ene_kb1200_evb`
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board. It is never linked into the firmware.
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* *Files:*
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* :zephyr_file:`boards/ene/kb1200_evb/support/openocd.cfg`
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Thread-Metric RTOS Test Suite Source Files
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------------------------------------------
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* *Origin:* ThreadX
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* *Licensing:* `MIT License`_
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* *Impact:* These files are only linked into the Thread-Metric RTOS Test Suite test firmware.
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* *Files:*
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* :zephyr_file:`tests/benchmarks/thread_metric/thread_metric_readme.txt`
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* :zephyr_file:`tests/benchmarks/thread_metric/src/tm_api.h`
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* :zephyr_file:`tests/benchmarks/thread_metric/src/tm_basic_processing_test.c`
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* :zephyr_file:`tests/benchmarks/thread_metric/src/tm_cooperative_scheduling_test.c`
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* :zephyr_file:`tests/benchmarks/thread_metric/src/tm_interrupt_preemption_processing_test.c`
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* :zephyr_file:`tests/benchmarks/thread_metric/src/tm_interrupt_processing_test.c`
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* :zephyr_file:`tests/benchmarks/thread_metric/src/tm_memory_allocation_test.c`
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* :zephyr_file:`tests/benchmarks/thread_metric/src/tm_message_processing_test.c`
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* :zephyr_file:`tests/benchmarks/thread_metric/src/tm_porting_layer.h`
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* :zephyr_file:`tests/benchmarks/thread_metric/src/tm_porting_layer_zephyr.c`
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* :zephyr_file:`tests/benchmarks/thread_metric/src/tm_preemptive_scheduling_test.c`
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* :zephyr_file:`tests/benchmarks/thread_metric/src/tm_synchronization_processing_test.c`
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OpenThread Spinel HDLC RCP Host Interface Files
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-----------------------------------------------
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* *Origin:* OpenThread
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* *Licensing:* `BSD-3-clause`_
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* *Impact:* These files are only linked into the firmware if :kconfig:option:`CONFIG_HDLC_RCP_IF` is
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enabled.
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* *Files*:
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* :zephyr_file:`modules/openthread/platform/hdlc_interface.hpp`
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* :zephyr_file:`modules/openthread/platform/radio_spinel.cpp`
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* :zephyr_file:`modules/openthread/platform/hdlc_interface.cpp`
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.. _Apache 2.0 License:
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https://github.com/zephyrproject-rtos/zephyr/blob/main/LICENSE
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.. _GPLv2 License:
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https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/plain/COPYING
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.. _MIT License:
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https://opensource.org/licenses/MIT
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.. _BSD-3-clause:
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https://opensource.org/license/bsd-3-clause
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.. _Coccinelle:
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https://coccinelle.gitlabpages.inria.fr/website/
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.. _OpenOCD:
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https://openocd.org
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